CN108167630B - Vacuum type hydraulically controlled felling machine lubricating oil injection device - Google Patents

Vacuum type hydraulically controlled felling machine lubricating oil injection device Download PDF

Info

Publication number
CN108167630B
CN108167630B CN201810042976.3A CN201810042976A CN108167630B CN 108167630 B CN108167630 B CN 108167630B CN 201810042976 A CN201810042976 A CN 201810042976A CN 108167630 B CN108167630 B CN 108167630B
Authority
CN
China
Prior art keywords
valve body
way valve
lubricating oil
piston
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201810042976.3A
Other languages
Chinese (zh)
Other versions
CN108167630A (en
Inventor
卢青
莫国强
文竹
吕伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Yuchai Equipment Technology Co ltd
Original Assignee
Guangxi Yuchai Heavy Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangxi Yuchai Heavy Industry Co Ltd filed Critical Guangxi Yuchai Heavy Industry Co Ltd
Priority to CN201810042976.3A priority Critical patent/CN108167630B/en
Publication of CN108167630A publication Critical patent/CN108167630A/en
Application granted granted Critical
Publication of CN108167630B publication Critical patent/CN108167630B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
    • F16N21/02—Lubricating nipples
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N23/00—Special adaptations of check valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
    • F16N2021/005—Modular units

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)

Abstract

一种真空式液控伐木机润滑油喷射装置，该喷射装置P口连接控制油口，T口连接润滑油油箱，K口通过液压软管与润滑油喷射嘴相连接，控制油从节流接头P口进入阀体，驱动活塞从下至上运动到尽头，同时将阀体内的润滑油从单向阀体喷射出来；完成喷射后节流接头P口控制压力泄载，活塞受强力复位弹簧的作用向下移动，同时单向节流阀芯关闭，阀体内腔体形成真空状态；当活塞尾端移动到进油口T位置时，润滑油在大气压的作用下进入阀体内腔，形成一个工作循环。本发明采用液控、真空式设计，具有结构简单、吸入性强、可靠性高的特点。

A vacuum type hydraulically controlled lubricating oil injection device for a lubricating machine, wherein the injection device has a P port connected to a control oil port, a T port connected to a lubricating oil tank, and a K port connected to a lubricating oil injection nozzle through a hydraulic hose. The control oil enters the valve body from the P port of the throttle joint, driving the piston to move from bottom to top to the end, and at the same time, the lubricating oil in the valve body is injected out from the one-way valve body; after the injection is completed, the throttle joint P port controls the pressure to release, and the piston moves downward under the action of a strong return spring, and at the same time, the one-way throttle valve core is closed, and a vacuum state is formed in the inner cavity of the valve body; when the tail end of the piston moves to the oil inlet T position, the lubricating oil enters the inner cavity of the valve body under the action of atmospheric pressure, forming a working cycle. The present invention adopts a hydraulically controlled, vacuum type design, and has the characteristics of simple structure, strong suction performance, and high reliability.

Description

Vacuum type hydraulically controlled felling machine lubricating oil injection device
Technical Field
The invention relates to a spraying device, in particular to a lubricating oil spraying device of a vacuum type hydraulic control felling machine.
Background
At present, a power device of a felling machine master machine is generally adopted for hydraulic oil injection lubrication, so that the hydraulic oil in a hydraulic oil tank of the master machine is reduced, the master machine is possibly damaged due to oil shortage if the hydraulic oil is not added in time, and the special lubricating oil can only be adopted instead of the hydraulic oil, so that the lubrication effect is not ideal; in addition, a single plunger pump is adopted, and one check valve is respectively arranged at the oil outlet end and the oil suction end to control the flow direction of the lubricating oil.
Disclosure of Invention
The invention aims to provide a vacuum type hydraulically controlled felling machine injection device which adopts a hydraulically controlled and pump body internal vacuum type suction design and has the characteristics of simple structure, strong lubricating oil suction and high reliability.
The invention achieves the aim through the following technical scheme: the utility model provides a vacuum type hydraulically controlled felling machine lubricating oil injection apparatus, includes elasticity clamp, retaining ring, spring, check valve body, one-way case, O shape sealing washer, spring holder, valve body, powerful reset spring, piston, throttle joint, fan-shaped orifice, and specific structure and relation of connection are:
the elastic clamp is clamped in an inner hole groove above the check valve body, the check ring is fixed on the check valve body, the upper side of the spring is tightly attached to the check ring, the lower side of the spring is connected with the check valve core, the conical surface of the check valve core is provided with an O-shaped sealing ring, the conical surface of the check valve core is tightly attached to the check valve body, the spring seat is fixed above the valve body, one end of the powerful return spring is fixed on the spring seat, the other end of the powerful return spring is tightly pressed against the inner hole wall of the piston, the piston is arranged between the powerful return spring and the throttle joint, the piston can realize up-and-down reciprocating motion in the valve body, the throttle joint is arranged below the valve body, and the upper end of the throttle joint limits the piston.
The throttle joint is provided with a fan-shaped throttle hole.
The injection device P mouth is connected with the control oil port, the T mouth is connected with the lubricating oil tank, the T mouth is a lubricating oil feeding port, the K mouth is a lubricating oil output port, and the K mouth is connected with the lubricating oil injection nozzle through a hydraulic hose.
The invention has the outstanding advantages that:
1. due to the adoption of the vacuum type design, vacuum is generated in the airtight cavity between the piston and the spring seat in the descending process of the piston, and when the piston moves down to the inner cavity of the valve body to be communicated with the lubricating oil inlet, powerful suction of lubricating oil can be realized, and the external power device is not required to feed the lubricating oil.
2. The throttle joint is provided with a fan-shaped throttle hole, so that the piston can stably run.
3. Only one check valve is arranged, so that the failure rate of the injection device is greatly reduced, the conical surface O-shaped ring is designed, and the sealing performance is better.
Drawings
Fig. 1 is a schematic structural diagram of a lubricating oil injection device of a vacuum type hydraulic controlled felling machine.
Fig. 2 is an enlarged view of a check valve structure of the lubricating oil injection device of the vacuum type hydraulic controlled felling machine.
Fig. 3 is a cross-sectional view A-A of fig. 2.
Marked in the figure as: the device comprises an elastic clamp 1, a retainer ring 2, a spring 3, a one-way valve body 4, a one-way valve core 5, an O-shaped sealing ring 6, a spring seat 7, a valve body 8, a powerful return spring 9, a piston 10, a throttle joint 11 and a fan-shaped throttle hole 12.
Detailed Description
The technical scheme of the invention is further described below through the attached drawings and the embodiments.
As shown in fig. 1 to 3, the lubricating oil injection device of a vacuum type hydraulic controlled feller comprises an elastic clamp 1, a retainer ring 2, a spring 3, a one-way valve body 4, a one-way valve core 5, an O-shaped sealing ring 6, a spring seat 7, a valve body 8, a powerful return spring 9, a piston 10 and a throttle joint 11, wherein the specific structure and the connection relation are as follows:
the elastic clamp 1 is clamped in an inner hole groove above the one-way valve body 4, and the check ring 2 is fixed on the one-way valve body 4; the upper part of the spring 3 is tightly attached to the retainer ring 2, and the lower part is connected with the one-way valve core 5; the conical surface of the unidirectional valve core 5 is provided with an O-shaped sealing ring 6, the conical surface of the unidirectional valve core 5 is tightly attached to the unidirectional valve body 4, a spring seat 7 is fixed above a valve body 8, one end of a powerful return spring 9 is fixed on the spring seat 7, and the other end of the powerful return spring is tightly pressed against the inner hole wall of the piston; the piston 10 is arranged between the powerful return spring 9 and the throttle joint 11, and the piston 10 can reciprocate up and down in the valve body 8; the throttle joint 11 is installed in the control oil port P department of the below of valve body 8, and throttle joint 11 upper end is to piston 10 precompaction and spacing.
The throttle nipple 11 is provided with a fan-shaped throttle orifice 12.
The one-way valve is composed of an elastic clamp 1, a retainer ring 2, a spring 3, a one-way valve body 4, a one-way valve core 5 and an O-shaped sealing ring 6, and is arranged at a lubricating oil output port K at the top end of the injection device and above a spring seat 7.
Working principle and process:
the control oil enters the throttling joint 11 from the port P, then reaches the bottom of the piston 10 through a sector orifice 12 of the throttling joint 11, the piston 10 moves upwards at a constant speed against the pressure of the strong return spring 9 under the action of oil pressure, and at the moment, the lubricating oil between the piston 10 and the spring seat 7 is extruded to flow towards the port K; the unidirectional valve core 5 moves upwards against the pressure of the spring 3 under the action of lubricating oil pressure, so that a gap is formed between the valve core 5 and the unidirectional valve body 4, and at the moment, the lubricating oil flows upwards from the unidirectional valve body 4 to the K port to finish the spraying operation. Then, the P port is used for controlling oil pressure release, controlling oil to flow out of the P port through a fan-shaped orifice of the throttling joint 11, and the piston 10 moves downwards under the action of the powerful return spring 9; meanwhile, the unidirectional valve core 5 moves downwards to reset and close the K oil outlet under the action of the spring 3, so that a closed cavity is formed between the piston 10 and the spring seat 7, the piston 10 continues to move downwards, vacuum is generated in the closed cavity between the piston 10 and the spring seat 7, when the upper port of the piston 10 moves downwards to the position of the T port, the inner cavity of the valve body 8 is communicated with the T port, and lubricating oil enters the vacuum cavity inside the valve body 8 from the T port under the action of atmospheric pressure, so that a complete working cycle is formed.

Claims (2)

1.一种真空式液控伐木机润滑油喷射装置，包括弹性卡箍、挡圈、弹簧、单向阀体、单向阀芯、O形密封圈、弹簧座、阀体、强力复位弹簧、活塞和节流接头，其特征在于，具体结构和连接关系为：1. A vacuum hydraulic lubricating oil injection device for a lubricating machine, comprising an elastic clamp, a retaining ring, a spring, a one-way valve body, a one-way valve core, an O-ring, a spring seat, a valve body, a strong return spring, a piston and a throttle joint, characterized in that the specific structure and connection relationship are as follows: 所述弹性卡箍卡在单向阀体上方内孔沟槽中，挡圈固定在单向阀体上，弹簧上方贴紧挡圈，下方连接单向阀芯，单向阀芯锥面装配有O形密封圈，单向阀芯锥面紧贴在单向阀体，所述弹性卡箍、挡圈、弹簧、单向阀体、单向阀芯和O形密封圈组成一个单向阀，单向阀布置在喷射装置顶端的润滑油输出口K处，位于弹簧座的上方，弹簧座固定在阀体上方，强力复位弹簧一端固定在弹簧座上，另一端压紧活塞底孔，活塞安装在强力复位弹簧与节流接头之间，活塞在阀体内可以实现上、下往复运动，活塞在强力复位弹簧的作用下向下运动，当活塞下行过程中，活塞与弹簧座之间的密闭腔就会产生真空，能够自动吸入润滑油，节流接头安装在阀体的下方，节流接头上端面对活塞进行限位，控制油进入节流接头，活塞在控制油油压作用下克服强力复位弹簧的压力向上匀速移动，活塞与弹簧座之间的润滑油受挤压向输出口 K 方向流动，单向阀芯在润滑油压力的作用下克服弹簧的压力向上移动，使单向阀芯与单向阀体产生间隙，这时润滑油从单向阀体向上流动到达输出口 K 完成喷射作业。The elastic clamp is clamped in the inner hole groove above the one-way valve body, the retaining ring is fixed on the one-way valve body, the spring is pressed against the retaining ring above, and the one-way valve core is connected below. The conical surface of the one-way valve core is equipped with an O-ring, and the conical surface of the one-way valve core is pressed against the one-way valve body. The elastic clamp, retaining ring, spring, one-way valve body, one-way valve core and O-ring constitute a one-way valve. The one-way valve is arranged at the lubricating oil output port K at the top of the injection device, above the spring seat, and the spring seat is fixed above the valve body. One end of the strong return spring is fixed on the spring seat, and the other end presses the bottom of the piston Hole, the piston is installed between the strong return spring and the throttle joint. The piston can realize up and down reciprocating motion in the valve body. The piston moves downward under the action of the strong return spring. When the piston moves downward, a vacuum will be generated in the closed cavity between the piston and the spring seat, which can automatically inhale the lubricating oil. The throttle joint is installed under the valve body. The upper end of the throttle joint is limited to the piston. The control oil enters the throttle joint. The piston overcomes the pressure of the strong return spring under the action of the control oil pressure and moves upward at a uniform speed. The lubricating oil between the piston and the spring seat is squeezed and flows toward the output port K. The one-way valve core overcomes the pressure of the spring under the action of the lubricating oil pressure and moves upward, so that a gap is generated between the one-way valve core and the one-way valve body. At this time, the lubricating oil flows upward from the one-way valve body to the output port K to complete the injection operation. 2.根据权利要求1所述的真空式液控伐木机润滑油喷射装置，其特征在于，所述节流接头设有扇形节流孔。2. The vacuum type hydraulically controlled lubricating oil injection device for a logging machine according to claim 1, characterized in that the throttling joint is provided with a fan-shaped throttling hole.
CN201810042976.3A 2018-01-17 2018-01-17 Vacuum type hydraulically controlled felling machine lubricating oil injection device Active CN108167630B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810042976.3A CN108167630B (en) 2018-01-17 2018-01-17 Vacuum type hydraulically controlled felling machine lubricating oil injection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810042976.3A CN108167630B (en) 2018-01-17 2018-01-17 Vacuum type hydraulically controlled felling machine lubricating oil injection device

Publications (2)

Publication Number Publication Date
CN108167630A CN108167630A (en) 2018-06-15
CN108167630B true CN108167630B (en) 2024-04-05

Family

ID=62515063

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810042976.3A Active CN108167630B (en) 2018-01-17 2018-01-17 Vacuum type hydraulically controlled felling machine lubricating oil injection device

Country Status (1)

Country Link
CN (1) CN108167630B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113833968A (en) * 2021-10-25 2021-12-24 南阳理工学院 Floating-assisted bearing and using method thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20309553U1 (en) * 2003-06-21 2003-09-11 Lincoln GmbH & Co. KG, 69190 Walldorf Distribution element for lubrication systems
KR100888024B1 (en) * 2007-11-29 2009-03-10 정세용 Grease pumping unit and feeder including the same
DE102007054666A1 (en) * 2007-11-14 2009-05-28 Jürgen Löhrke GmbH Conveyor belt surface lubrication, e.g. for carrying bottles through a filling station, has a dosing unit with a valve and piston in the holding zone between the lubricant inflow and outflow
CN201892020U (en) * 2010-11-13 2011-07-06 衡阳市林肯液压设备有限公司 Oil injector
CN103470473A (en) * 2013-09-26 2013-12-25 天津市海雅实业有限公司 Hydraulic gas vacuum pump
CN104406032A (en) * 2014-11-24 2015-03-11 玉环沪润机电有限公司 Multipoint quantitative lubricating pump
CN104500758A (en) * 2014-12-09 2015-04-08 上海思源电力电容器有限公司 Oil injection valve of vacuum capacitor oil injection device
CN106439467A (en) * 2016-10-08 2017-02-22 温州职业技术学院 Precision quantification valve for lubricating grease
CN207716059U (en) * 2018-01-17 2018-08-10 广西玉柴重工有限公司 A kind of vacuum type hydraulic control tree-dozer lubricating oil injection apparatus

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20309553U1 (en) * 2003-06-21 2003-09-11 Lincoln GmbH & Co. KG, 69190 Walldorf Distribution element for lubrication systems
CN1675493A (en) * 2003-06-21 2005-09-28 林肯有限公司及两合公司 Distributing element for lubricating systems
DE102007054666A1 (en) * 2007-11-14 2009-05-28 Jürgen Löhrke GmbH Conveyor belt surface lubrication, e.g. for carrying bottles through a filling station, has a dosing unit with a valve and piston in the holding zone between the lubricant inflow and outflow
KR100888024B1 (en) * 2007-11-29 2009-03-10 정세용 Grease pumping unit and feeder including the same
CN201892020U (en) * 2010-11-13 2011-07-06 衡阳市林肯液压设备有限公司 Oil injector
CN103470473A (en) * 2013-09-26 2013-12-25 天津市海雅实业有限公司 Hydraulic gas vacuum pump
CN104406032A (en) * 2014-11-24 2015-03-11 玉环沪润机电有限公司 Multipoint quantitative lubricating pump
CN104500758A (en) * 2014-12-09 2015-04-08 上海思源电力电容器有限公司 Oil injection valve of vacuum capacitor oil injection device
CN106439467A (en) * 2016-10-08 2017-02-22 温州职业技术学院 Precision quantification valve for lubricating grease
CN207716059U (en) * 2018-01-17 2018-08-10 广西玉柴重工有限公司 A kind of vacuum type hydraulic control tree-dozer lubricating oil injection apparatus

Also Published As

Publication number Publication date
CN108167630A (en) 2018-06-15

Similar Documents

Publication Publication Date Title
CN106640839A (en) Oil cylinder with quick release function
CN108167630B (en) Vacuum type hydraulically controlled felling machine lubricating oil injection device
CN202040040U (en) Hand-operated hydraulic pump
CN203452990U (en) Improved plunger pump of glue-injection machine
CN205308717U (en) Mechanical type sprays dispensing valve
CN207716059U (en) A kind of vacuum type hydraulic control tree-dozer lubricating oil injection apparatus
CN204783502U (en) Gas -liquid booster pump
CN215349654U (en) Tooth flushing device
CN207526801U (en) A kind of automatic reciprocating hydraulic cylinder
CN101811107A (en) Novel plunger-type resorption glue gun
CN201613208U (en) Novel plunger type glue gun
CN208578708U (en) A kind of pump valve structure of hand-hold washer
CN108412653B (en) Common rail fuel injector
CN202553565U (en) Safety valve of coffee maker
CN216642415U (en) Multicavity intercommunication booster-type bellows pump
CN201215081Y (en) Combination spreading machine plunger pump
CN209724593U (en) Oil lifting and boosting mechanism of a pneumatic oil injector
CN210304354U (en) Firing pin device for precise dispensing valve
CN203540818U (en) A contact dispensing valve
CN201613209U (en) Novel plunger type resorption glue gun
CN207064229U (en) A kind of piston structure
CN201750877U (en) A new type of pump
CN219159117U (en) Bidirectional liquid booster pump for chip cleaning
CN211174573U (en) Backflow structure of plunger pump
CN207432632U (en) A kind of EVA injectors hydraulic control system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: 537000 North of Miaoyuan Road, Yulin City, Guangxi Zhuang Autonomous Region (Yuchai New City)

Patentee after: Guangxi Yuchai Equipment Technology Co.,Ltd.

Country or region after: China

Address before: 537005 Yuchai Construction Machinery Industry Concentration Zone, Luchuan County, Yulin City, Guangxi Zhuang Autonomous Region

Patentee before: GUANGXI YUCHAI HEAVY INDUSTRY Co.,Ltd.

Country or region before: China

CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 537722 Yuchai Construction Machinery Industrial Concentration Zone, Luchuan, Yulin City, Guangxi Zhuang Autonomous Region

Patentee after: Guangxi Yuchai Equipment Technology Co.,Ltd.

Country or region after: China

Address before: 537000 North of Miaoyuan Road, Yulin City, Guangxi Zhuang Autonomous Region (Yuchai New City)

Patentee before: Guangxi Yuchai Equipment Technology Co.,Ltd.

Country or region before: China

CP03 Change of name, title or address