CN216284048U - A special pressure sensor for the test of railway freight car dumper - Google Patents

Abstract

The utility model provides a special pressure sensor of railway freight car tipper test which characterized in that: the pressure sensor comprises a sensing assembly capable of detecting pressure and a clamping apparatus capable of fixing the sensing assembly, wherein the sensing assembly is detachably connected with the clamping apparatus and comprises a pressure sensor, the upper surface of the pressure sensor is detachably connected with a baffle, and a plug connected with external equipment is embedded in the side surface of the pressure sensor; the fixture comprises a U-shaped plate detachably connected with the car dumper, and the outer side of the middle of the U-shaped plate is fixedly connected with a shell capable of containing the induction assembly. The utility model has simple operation, and the pressure sensor is detachably connected with the baffle and the fixture, when one part is damaged, only the damaged part needs to be replaced, and the rest parts can be continuously used, thereby greatly saving the cost.

Description

A special pressure sensor for the test of railway freight car dumper

technical field

The utility model relates to the field of railway freight car dumpers, in particular to a special pressure sensor for the test of railway freight car dumpers.

Background technique

The dumper is a large-scale mechanical equipment used to dump railway gondolas, and is used to dump coal, ore and other bulk materials carried by various standard gauge railway gondolas. At present, most of the tests on the force of the dumper and the force state of the overturned vehicle are performed offline. Whether the current working state of the dumper unit meets the operating standards, but this offline detection method requires a lot of wiring, including power lines and signal lines. The cable is too long and the interference along the way will have a certain impact on the test results.

In addition, most of the detection devices are not detachable at present. When the sensor is damaged or other components are damaged, the detection device needs to be replaced as a whole, resulting in waste and increased cost.

Utility model content

In order to eliminate the signal interference caused by the on-site detection cable being too long, shorten the on-site layout time for off-line detection, and at the same time save costs, the utility model provides a special pressure sensor for the test of a railway freight car dumper. The force of the dumper and the force of the vehicle are detected by the pressure sensor, and transmitted to the external equipment; the pressure sensor is detachably connected to the baffle and the clamp. When one of them is damaged, only the damaged parts need to be replaced, and the rest can continue to be used. , which greatly saves costs.

In order to achieve the above purpose, the specific scheme adopted by the present utility model is: a special pressure sensor for the test of a railway freight car dumper, which is characterized in that it includes an inductive component that can detect pressure and a clamp that can fix the inductive component, the inductive component and the card A detachable connection, the sensing component includes a pressure sensor, the upper surface of the pressure sensor is detachably connected with a baffle, and the side surface of the pressure sensor is embedded with a plug for connecting with external equipment; the clamp includes a detachable connection with the dumper The connected U-shaped plate, the outer side of the middle of the U-shaped plate is fixedly connected with a casing that can accommodate the induction component.

This is a further optimization of a special pressure sensor for testing a railway freight car dumper of the present utility model: a first circular groove is opened at the center of the upper surface of the pressure sensor, and a first convex block is fixedly connected at the center of the first circular groove. The height of the first bump is smaller than the depth of the first circular groove, and a first cavity is formed between the baffle plate and the pressure sensor.

It is a further optimization of the special pressure sensor for testing the railway freight car dumper of the present invention: the baffle plate is in close contact with the peripheral measuring part of the first cavity on the upper surface.

This is a further optimization of a special pressure sensor for testing a railway freight car dumper of the present invention: a second circular groove is formed at the center of the lower surface of the pressure sensor, and a second convex block is fixedly connected at the center of the second circular groove. The height of the second bump is greater than the depth of the second circular groove, and a second cavity is formed between the pressure sensor and the bottom of the housing.

It is a further optimization of a special pressure sensor for testing a railway freight car dumper of the present invention: a sticker is fixedly connected at the center of the bottom of the casing, the sticker is detachably connected to the second bump, and a plug is provided on the side of the casing. Protruding U-shaped slot.

It is a further optimization of a special pressure sensor for testing a railway freight car dumper of the present invention: the baffle is connected to the pressure sensor through a plurality of bolts, and the baffle is provided with a plurality of second threaded holes corresponding to the bolts.

Beneficial effects: 1) In the present utility model, the force of the dumper and the force of the vehicle are detected by the pressure sensor, and transmitted to the external equipment, and the operation is simple; , only the damaged parts need to be replaced, and the rest can continue to be used, which greatly saves the cost.

2) In the present utility model, when the external force acts on the baffle, the baffle will be deformed by a certain amount, and the arrangement of the first cavity provides a deformation space for the baffle. The arrangement of the second bump prevents the lower surface of the pressure sensor from contacting the bottom of the housing, preventing the pressure sensor from contacting the lower surface and affecting the detection result.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the baffle structure schematic diagram of the present utility model;

3 is a schematic structural diagram of the pressure sensor of the present invention;

Fig. 4 is the structural schematic diagram of the fixture of the present invention;

Description of drawings: 1. Baffle plate, 2. Pressure sensor, 3. First bump, 4. First circular groove, 5. First cavity, 6. Upper surface, 7. Plug, 8. Housing, 9, side surface, 10, lower surface, 11, second circular groove, 12, second cavity, 13, second bump, 14, sticker, 15, U-shaped plate, 16, first threaded hole, 17. Bolt, 18, Step hole, 19, U-shaped groove, 20, Second threaded hole.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

A special pressure sensor for testing a railway freight car dumper, including a sensing component that can detect pressure and a fixture that can fix the sensing component. The sensing component and the fixture are detachably connected, and the sensing component includes a pressure sensor 2. In this embodiment, the pressure The sensor 2 is a rectangular parallelepiped, wherein the length and width of the pressure sensor 2 are the same, that is, the upper surface 6 and the lower surface 10 of the pressure sensor 2 are square, and the upper surface 6 of the pressure sensor 2 is detachably connected to the baffle 1. In this embodiment, The surface of the baffle 1 in contact with the upper surface 6 is square, and its length and width are the same as the length and width of the upper surface 6. The baffle 1 is in close contact with the upper surface 6. When the baffle 1 is subjected to external force, it will be transmitted to the upper surface 6. On the pressure sensor 2, the pressure sensor 2 detects it. The side surface 9 of the pressure sensor 2 is embedded with a plug 7 connected to an external device. The detected data is transmitted to the external device through the plug 7, and the obtained data is analyzed. The fixture includes a U-shaped plate 15 that is detachably connected to the dumper, and the U-shaped plate 15 is fixed to the dumper through set screws. The U-shaped plate 15 includes a bottom plate and side plates vertically arranged on both sides of the bottom plate. The length of the bottom plate and the The width is greater than the length and width of the pressure sensor 2, and a number of first threaded holes 16 corresponding to the set screws are opened on the side plate. The number of the first threaded holes 16 can be 1-4. In this embodiment The number is selected as one, and the outer side of the middle of the U-shaped plate 15 is fixedly connected with a casing 8 that can accommodate the induction component, that is, the casing 8 is arranged on the outside of the bottom plate. In this embodiment, the casing 8 is spliced 90 degrees by four limit plates It is formed and welded to the fixture. The length of the limit plate is slightly larger than the length of the pressure sensor 2 to ensure that the pressure sensor 2 is put into the housing smoothly. The height of the limit plate is less than the height of the pressure sensor 2, that is, the pressure sensor 2 The lower part is placed in the housing 8 , and the upper part protrudes from the housing 8 to ensure that the pressure sensor 8 can work.

The upper surface 6 of the pressure sensor 2 is further defined: a first circular groove 4 is provided in the center of the upper surface 6 of the pressure sensor 2, and the diameter of the first circular groove 4 is smaller than the length of the pressure sensor 2. The depth of the groove 4 is much smaller than the height of the pressure sensor 2 , the center of the first circular groove 4 is fixedly connected with a first bump 3 , the first bump 3 is cylindrical, and its diameter is smaller than that of the first circular groove 4 . Diameter, the height of the first bump 3 is smaller than the depth of the first circular groove 4 , and a first cavity 5 is formed between the baffle 1 and the pressure sensor 2 to provide a deformation space for the baffle 1 . At this time, the baffle 1 is in close contact with the peripheral portion of the first cavity 5 of the upper surface 6 , that is, the pressure sensor detects the external force through the peripheral portion.

The lower surface 10 of the pressure sensor 2 is further defined: the center of the lower surface 10 of the pressure sensor 2 is provided with a second circular groove 11. In this embodiment, the diameter and depth of the second circular groove 11 are the same as those of the first circular groove 11. The diameter and depth of the groove 4 are the same, and a second bump 13 is fixedly connected to the center of the second circular groove 11. The diameter of the second bump 13 is smaller than the diameter of the second circular groove 11, and the height of the second bump 13 is greater than The depth of the second circular groove 11, the second cavity 12 is formed between the pressure sensor 2 and the bottom of the casing 8, at this time, the peripheral part of the second cavity 12 on the lower surface 10 is suspended, preventing the peripheral part from being connected to the casing 8 Bottom contact affects test results.

In order to further ensure that the peripheral part of the second cavity 12 of the lower surface 10 is suspended, a sticker 14 is fixedly connected to the center of the bottom of the housing 8 , and the sticker 14 is a circular plate, and its diameter is not smaller than that of the second bump 13 Diameter, the sticker 14 and the second bump 13 are detachably connected. In this embodiment, the second bump 13 is pasted to the center of the sticker 14, and a U-shaped groove is formed on the side of the housing 8 for the plug 7 to extend. 19.

In this embodiment, the connection mode of the baffle 1 and the pressure sensor 2 is further limited: the baffle 1 is connected to the pressure sensor 2 through a plurality of bolts 17 , and the baffle 1 is provided with a plurality of second threads corresponding to the bolts 17 Holes 20, the pressure sensor 2 is provided with a number of stepped holes 18, the bolts 17 are screwed from bottom to top and do not protrude from the baffle 1 to ensure that the surface of the baffle 1 is flat.

The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. A special pressure sensor for the test of a railway freight car dumper, characterized in that: it comprises an inductive component that can detect pressure and a fixture that can fix the inductive component, the inductive component is detachably connected to the fixture, and the inductive component includes a pressure sensor (2), the upper surface (6) of the pressure sensor (2) is detachably connected with the baffle plate (1), and the side surface (9) of the pressure sensor (2) is embedded with a plug (7) connected to external equipment; The fixture includes a U-shaped plate (15) detachably connected to the dumper, and a housing (8) capable of accommodating an induction component is fixedly connected to the outer side of the middle of the U-shaped plate (15). 2. A special pressure sensor for testing a railway freight car dumper as claimed in claim 1, characterized in that: a first circular groove (4) is provided in the center position of the upper surface (6) of the pressure sensor (2), The center position of the first circular groove (4) is fixedly connected with a first convex block (3), the height of the first convex block (3) is smaller than the depth of the first circular groove (4), the baffle plate (1) and the pressure sensor A first cavity (5) is formed between (2). 3 . The special pressure sensor for testing a railway freight car dumper according to claim 2 , wherein the baffle plate ( 1 ) is in close contact with the peripheral portion of the first cavity ( 5 ) of the upper surface ( 6 ). 4. A special pressure sensor for testing a railway freight car dumper as claimed in claim 1, characterized in that: a second circular groove (11) is provided in the center position of the lower surface (10) of the pressure sensor (2), A second bump (13) is fixedly connected to the center of the second circular groove (11), the height of the second bump (13) is greater than the depth of the second circular groove (11), the pressure sensor (2) is connected to the housing (8) A second cavity (12) is formed between the bottoms. 5. A special pressure sensor for testing a railway freight car dumper as claimed in claim 4, characterized in that: a sticker (14) is fixedly connected at the bottom center of the casing (8), and the sticker (14) is connected with the first The two protruding blocks (13) are detachably connected, and a U-shaped groove (19) for extending the plug (7) is provided on the side of the casing (8). 6. A special pressure sensor for testing a railway freight car dumper as claimed in claim 1, wherein the baffle (1) is connected to the pressure sensor (2) through a plurality of bolts (17), and the baffle (1) is connected to the pressure sensor (2). ) is provided with a plurality of second threaded holes (20) corresponding to the bolts (17).

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