A clamp for fixing a pressure detection sensor of a railway wagon dumper

Abstract

The utility model discloses a kind of for the fixture of railway wagon dumper pressure detection sensor is fixed, including from top to bottom sequentially arranged sliding plate, sensor cover plate, sensor fixing part and inverted "U" shape clamping groove plate, the inverted "U" shape clamping groove plate is connected with open wagon roof by clamping groove plate bolt, the sensor fixing part is fixed in the top surface of inverted "U" shape clamping groove plate by fixing part bolt, the middle of the sensor fixing part is sensor detection station, the four corners of the sliding plate are equipped with spring, the sliding plate is connected by spring with the clamping groove plate bolt of inverted "U" shape clamping groove plate outer wall. Solve the problem that existing dumper pressure detection sensor detection tool is complex to use and cannot carry out in situ rapid detection.

Description

Technical Field

[0001] This utility model relates to the field of sensor detection tooling, and in particular to a clamp for fixing a pressure detection sensor for a railway freight car tipper. Background Technology

[0002] A tippler is a large mechanical device mainly used to rotate an entire railway freight car (such as an open wagon for transporting coal or ore) 160-175 degrees to quickly unload bulk cargo. Existing tipplers perform pressure detection during operation, primarily through pressure sensors. The core principle of the pressure sensor is the transmission of force and conversion of electrical signals: external force is transmitted to the spoke structure through the bearing components, causing slight deformation of the spokes. Strain gauges attached to the spokes convert this deformation into a change in resistance, which is then processed by the circuit into an electrical signal output proportional to the pressure. Typically, the pressure sensor is installed above the side beam of the open wagon, aligned with the tippler's pressure beam. Its core function is to monitor and control various pressures during the tipping process in real time. However, existing tippler pressure sensors are usually fixed by welding or drilling. This method alters the original structure and stress distribution, affecting the accuracy of the measurement data. To address these issues, a fixture for fixing the pressure sensor of a railway freight car tippler is proposed. Utility Model Content

[0003] The purpose of this invention is to provide a fixture for fixing a pressure detection sensor for a railway freight car tipper, thereby solving the problem that the existing fixing method for the pressure detection sensor of the tipper will cause significant changes to the original structure and stress distribution, thus affecting the detection results.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: A fixture for fixing a pressure detection sensor for a railway freight car tipper includes, from top to bottom, a sliding plate, a sensor cover plate, a sensor fixing component, and an inverted "U"-shaped slot plate. The inverted "U"-shaped slot plate is connected to the roof of the open wagon by slot plate bolts. The sensor fixing component is fixed to the top surface of the inverted "U"-shaped slot plate by fixing component bolts. The middle of the sensor fixing component is a sensor detection station. Springs are provided at each of the four corners of the sliding plate, and the sliding plate is connected to the slot plate bolts on the outer wall of the inverted "U"-shaped slot plate by the springs.

[0005] The spoke-type pressure sensor fixture in this solution is specifically designed for railway tippler systems. It is primarily used to stably mount the pressure sensor above the side beam of the open wagon during tipping, aligning it with the tippler's pressure beam for accurate pressure detection. The fixture employs a combination of a sliding plate and a spring, effectively counteracting the shearing force from the tippler during tipping, protecting the sensor from damage, and improving measurement accuracy. Key components include a U-shaped slot, a bolt fixing system, and thickened iron plates to ensure the fixture is securely mounted on the wagon roof. The sensor is reliably encapsulated by a sensor cover and sensor mounting hardware. With the spring-loaded hanging hole and groove design, the sliding plate can be adaptively adjusted, further enhancing the stability and reliability of the overall structure. This fixture has a reasonable structure and is easy to install, making it suitable for high-intensity, high-frequency railway transportation inspection environments. Since the fixture is attached through a slot, welding or drilling of the tippler and open wagon body is avoided, minimizing changes to the original structure and stress distribution, ensuring the authenticity of the measurement data, and solving the problem that the existing tippler pressure detection sensor fixing method can cause significant changes to the original structure and stress distribution, thus affecting the test results.

[0006] As a further preferred embodiment of this utility model, the sliding plate is provided with spring hanging holes at its four corners.

[0007] The spring can be quickly attached to the sliding plate using the spring mounting hole.

[0008] As a further preferred embodiment of the present invention, the spring includes a spring body, hooks, and a protective plate. The hooks are disposed at both ends of the spring body, and the protective plate is disposed around the middle of the spring body. The two ends of the protective plate are connected to the spring body by elastic ropes.

[0009] The hook at the top of the spring body is used for quick engagement with the spring hanging hole on the sliding plate, while the hook at the bottom of the spring body is used for quick engagement with the bolt of the slot plate. Since the spring body is inclined, when the spring body is stretched, the inner side of its middle part will rub against the corner of the inverted "U"-shaped slot plate. Such friction will seriously affect the service life of the spring body. Therefore, in this solution, a protective plate is set at the corner of the inverted "U"-shaped slot plate in the middle of the spring body. The protective plate can effectively avoid this friction, and the protective plate is connected to the spring body by an elastic rope. Therefore, when the spring is stretched, its position will not change too much. In addition, its length can effectively protect the spring body.

[0010] As a further preferred embodiment of this utility model, a sliding plate spring connecting groove adapted to the hook is provided on one side of the spring hanging hole on the top surface of the sliding plate, and a bolt head hook groove adapted to the hook is provided on the outer wall of the bolt head of the slot plate bolt.

[0011] A sliding plate spring connection groove is set on the top surface of the sliding plate. When the hook on the top of the spring body is hooked at the spring hanging hole of the sliding plate, the part of the hook that originally protruded from the top surface of the sliding plate can be stored in the sliding plate spring connection groove, which is more aesthetically pleasing and also prevents the spring from sliding left and right. A bolt head hook groove that matches the hook is set on the outer wall of the bolt head of the slot plate bolt, which can lock the hook fixed at the bottom of the spring body, making it less likely to fall off the slot plate bolt.

[0012] As a further preferred embodiment of this utility model, the sensor cover is disposed in the middle of the bottom surface of the sliding plate, and the horizontal cross-section of the sensor cover is circular.

[0013] As a further preferred embodiment of this utility model, the inverted "U"-shaped slot plate includes a plate body and a thickened sheet, wherein the thickened sheet is disposed on the lower part of the outer wall on both sides of the plate body.

[0014] The thickened plate is positioned where the slot plate bolts are located, allowing the bolt heads of the slot plate bolts to be positioned further out, making it easier to connect the spring.

[0015] As a further preferred embodiment of this utility model, the sensor fixing component is composed of four limiting blocks perpendicular to the top surface of the "U"-shaped slot plate. The curvature of the limiting block at the position where it contacts the sensor is consistent with the curvature of the outer wall of the sensor. The limiting block includes a movable part and a fixed part arranged sequentially from the inside to the outside. The movable part and the fixed part are connected by a push screw. The inner end of the push screw is rotatably engaged with the movable part, and the outer end of the push screw passes through the fixed part and is threadedly connected to the fixed part.

[0016] By rotating the drive screw, the position of the movable part can be adjusted, thus adapting to the fixing of pressure sensors of different sizes.

[0017] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects: 1. The spoke-type pressure sensor fixture in this solution is specifically designed for railway tippler systems. It is primarily used to stably mount the pressure sensor above the side beam of the open wagon during tipping, aligning it with the tippler's pressure beam for accurate pressure detection. The fixture employs a combination of a sliding plate and a spring, effectively counteracting the shearing force from the tippler during tipping, protecting the sensor from damage, and improving measurement accuracy. Key components include a U-shaped slot, a bolt fixing system, and thickened iron plates to ensure the fixture is securely mounted on the wagon roof. The sensor is reliably sealed to the sensor mounting hardware via a sensor cover. The fixture, with its spring-loaded mounting holes and groove design, enables adaptive adjustment of the sliding plate, further enhancing the stability and reliability of the overall structure. This fixture is rationally designed and easy to install, suitable for high-intensity, high-frequency railway transportation inspection environments. Because the fixture is attached via a slot, welding or drilling of the tippler and open wagon body is avoided, minimizing alterations to the original structure and stress distribution, ensuring the authenticity of the measurement data, and solving the problem that existing tippler pressure sensor fixing methods significantly alter the original structure and stress distribution, thus affecting the inspection results.

[0018] 2. The main structure uses U-shaped slots with bolts and thickened iron sheets to ensure a firm installation on the roof. All designs fully consider the risks of working at heights and near edges, and the structure itself has extremely high reliability, eliminating the possibility of becoming a new safety hazard.

[0019] 3. The unique combination of sliding plate and spring structure can effectively counteract the shearing force during the unloading process and prevent sensor damage; at the same time, it ensures a continuous and stable fit between the sensor and the measured surface, effectively avoiding data drift caused by vibration and displacement, and ensuring the accuracy and stability of the data.

[0020] 4. The structural design strives for simplicity. The installation and disassembly process mainly relies on bolt tightening, without the need for complicated tools or procedures. This can make full use of the tight maintenance time window of the tippler and significantly improve the efficiency of inspection work.

[0021] 5. The spring can be quickly connected to the sliding plate using the spring mounting hole.

[0022] 6. The hook at the top of the spring body is used for quick engagement with the spring hanging hole on the sliding plate, and the hook at the bottom of the spring body is used for quick engagement with the bolt of the slot plate. Since the spring body is inclined, when the spring body is stretched, the inner side of its middle part will rub against the corner of the inverted "U" shaped slot plate. Such friction will seriously affect the service life of the spring body. Therefore, in this solution, a protective plate is set at the corner of the inverted "U" shaped slot plate in the middle of the spring body. The protective plate can effectively avoid this friction, and the protective plate is connected to the spring body by an elastic rope. Therefore, when the spring is stretched, its position will not change too much. In addition, its length can protect the spring body well.

[0023] 7. A sliding plate spring connection groove is set on the top surface of the sliding plate. When the hook on the top of the spring body is hooked at the spring hanging hole of the sliding plate, the part of the hook that originally protruded from the top surface of the sliding plate can be stored in the sliding plate spring connection groove, which is more aesthetically pleasing and also prevents the spring from sliding left and right. A bolt head hook groove that matches the hook is set on the outer wall of the bolt head of the slot plate bolt, which can lock the hook fixed at the bottom of the spring body, making it less likely to fall off the slot plate bolt.

[0024] 8. The thickened plate is positioned at the same location as the slot plate bolts, allowing the bolt heads to be positioned further out, which facilitates the connection of the spring.

[0025] 9. By rotating the push screw, the position of the movable part can be adjusted, thus adapting to the fixing of pressure sensors of different sizes. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of this utility model.

[0027] Figure 2 for Figure 1 Side view.

[0028] Figure 3 This is a top view of the sliding plate of this utility model.

[0029] Figure 4 This is a structural schematic diagram of the slot plate bolt of this utility model.

[0030] Figure 5 This is a schematic diagram of the limiting block structure of this utility model.

[0031] 1-Sliding plate, 11-Spring hanging hole, 12-Sliding plate spring connecting groove, 2-Sensor cover plate, 3-Sensor fixing part, 31-Limiting block, 311-Moving part, 312-Fixing part, 4-Inverted "U" shaped slot plate, 5-Slot plate bolt, 51-Bolt head hook groove, 6-Spring, 61-Spring body, 62-Hook, 63-Protective plate, 7-Elastic rope, 8-Push screw. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0033] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0034] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other.

[0035] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0036] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0037] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Specific Implementation Example 1: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 A fixture for fixing a pressure detection sensor for a railway freight car tipper is shown. It is characterized by comprising, from top to bottom, a sliding plate 1, a sensor cover plate 2, a sensor fixing component 3, and an inverted "U"-shaped slot plate 4. The inverted "U"-shaped slot plate 4 is connected to the roof of the open wagon via slot plate bolts 5. The sensor fixing component 3 is fixed to the top surface of the inverted "U"-shaped slot plate 4 via fixing bolts. The center of the sensor fixing component 3 is the sensor detection station. Springs 6 are provided at each of the four corners of the sliding plate 1, and the sliding plate 1 is connected to the slot plate bolts 5 on the outer wall of the inverted "U"-shaped slot plate 4 via the springs 6.

[0039] The spoke-type pressure sensor fixture in this solution is specifically designed for railway tippler systems. It is primarily used to stably mount the pressure sensor above the side beam of the open wagon during tipping, aligning it with the tippler's pressure beam for accurate pressure detection. The fixture employs a combination of a sliding plate and a spring, effectively counteracting the shearing force from the tippler during tipping, protecting the sensor from damage, and improving measurement accuracy. Key components include a U-shaped slot, a bolt fixing system, and thickened iron plates to ensure the fixture is securely mounted on the wagon roof. The sensor is reliably encapsulated by a sensor cover and sensor mounting hardware. With the spring-loaded hanging hole and groove design, the sliding plate can be adaptively adjusted, further enhancing the stability and reliability of the overall structure. This fixture has a reasonable structure and is easy to install, making it suitable for high-intensity, high-frequency railway transportation inspection environments. Since the fixture is attached through a slot, welding or drilling of the tippler and open wagon body is avoided, minimizing changes to the original structure and stress distribution, ensuring the authenticity of the measurement data, and solving the problem that the existing tippler pressure detection sensor fixing method can cause significant changes to the original structure and stress distribution, thus affecting the test results. Specific Implementation Example 2: This embodiment further describes the sliding plate 1 based on specific embodiment 1. The sliding plate 1 has spring hanging holes 11 at its four corners.

[0041] The spring can be quickly attached to the sliding plate using the spring mounting hole. Specific Implementation Example 3: This embodiment further describes the spring 6 based on specific embodiment 2. The spring 6 includes a spring body 61, a hook 62 and a protective plate 63. The hook 62 is disposed at both ends of the spring body 61, and the protective plate 63 is disposed around the middle of the spring body 61. The two ends of the protective plate 63 are connected to the spring body 61 by elastic ropes 7.

[0043] The hook at the top of the spring body is used for quick engagement with the spring hanging hole on the sliding plate, while the hook at the bottom of the spring body is used for quick engagement with the bolt of the slot plate. Since the spring body is inclined, when the spring body is stretched, the inner side of its middle part will rub against the corner of the inverted "U"-shaped slot plate. Such friction will seriously affect the service life of the spring body. Therefore, in this solution, a protective plate is set at the corner of the inverted "U"-shaped slot plate in the middle of the spring body. The protective plate can effectively avoid this friction, and the protective plate is connected to the spring body by an elastic rope. Therefore, when the spring is stretched, its position will not change too much. In addition, its length can effectively protect the spring body. Specific Implementation Example 4: This embodiment further describes the sliding plate 1 based on specific embodiment 3. A sliding plate spring connecting groove 12 adapted to the hook 62 is provided on one side of the spring hanging hole 11 on the top surface of the sliding plate 1. A bolt head hook groove 51 adapted to the hook is provided on the outer wall of the bolt head of the slot plate bolt 5.

[0045] A sliding plate spring connection groove is set on the top surface of the sliding plate. When the hook on the top of the spring body is hooked at the spring hanging hole of the sliding plate, the part of the hook that originally protruded from the top surface of the sliding plate can be stored in the sliding plate spring connection groove, which is more aesthetically pleasing and also prevents the spring from sliding left and right. A bolt head hook groove that matches the hook is set on the outer wall of the bolt head of the slot plate bolt, which can lock the hook fixed at the bottom of the spring body, making it less likely to fall off the slot plate bolt. Specific Implementation Example 5: This embodiment further describes the sensor cover plate 2 based on specific embodiment 1. The sensor cover plate 2 is disposed in the middle of the bottom surface of the sliding plate 1, and the horizontal cross-section of the sensor cover plate 2 is circular. Specific Implementation Example 6: This embodiment further describes the inverted "U" shaped slot plate 4 based on specific embodiment 1. The inverted "U" shaped slot plate 4 includes a plate body 41 and a thickened sheet 42. The thickened sheet 42 is disposed on the lower part of the outer walls on both sides of the plate body 41.

[0048] The thickened plate is positioned where the slot plate bolts are located, allowing the bolt heads to be positioned further out, which facilitates the connection of the spring. Specific Implementation Example 7: This embodiment further describes the sensor fixing component 3 based on specific embodiment 1. The sensor fixing component 3 is composed of four limiting blocks 31 perpendicular to the top surface of the "U"-shaped slot plate. The curvature of the limiting block 31 at the position where it contacts the sensor is consistent with the curvature of the outer wall of the sensor. The limiting block 31 includes a movable part 311 and a fixed part 312 arranged sequentially from the inside to the outside. The movable part 311 and the fixed part 312 are connected by a push screw 8. The inner end of the push screw 8 is rotatably engaged with the movable part 311, and the outer end of the push screw 8 passes through the fixed part 312 and is threadedly connected to the fixed part 312.

[0050] By rotating the drive screw, the position of the movable part can be adjusted, thus adapting to the fixing of pressure sensors of different sizes.

[0051] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A clamp for fixing a pressure detection sensor of a railway freight car tipper, characterized in that: The system includes a sliding plate (1), a sensor cover plate (2), a sensor fixing component (3), and an inverted "U"-shaped slot plate (4) arranged sequentially from top to bottom. The inverted "U"-shaped slot plate (4) is connected to the roof of the open vehicle by slot plate bolts (5). The sensor fixing component (3) is fixed to the top surface of the inverted "U"-shaped slot plate (4) by fixing bolts. The middle of the sensor fixing component (3) is the sensor detection station. Springs (6) are provided at the four corners of the sliding plate (1). The sliding plate (1) is connected to the slot plate bolts (5) on the outer wall of the inverted "U"-shaped slot plate (4) by the springs (6).

2. The clamp for fixing the pressure detection sensor of a railway freight car tipper according to claim 1, characterized in that: The sliding plate (1) has spring hanging holes (11) at its four corners.

3. The clamp for fixing the pressure detection sensor of a railway freight car tipper according to claim 2, characterized in that: The spring (6) includes a spring body (61), a hook (62) and a protective plate (63). The hook (62) is disposed at both ends of the spring body (61), and the protective plate (63) is disposed around the spring body (61) in the middle of the spring body (61). The two ends of the protective plate (63) are connected to the spring body (61) by elastic ropes (7).

4. The clamp for fixing the pressure detection sensor of a railway freight car tipper according to claim 3, characterized in that: The sliding plate (1) has a sliding plate spring connection groove (12) adapted to the hook (62) on one side of the spring hanging hole (11) on the top surface of the sliding plate (1), and the outer wall of the bolt head of the slot plate bolt (5) has a bolt head hook groove (51) adapted to the hook.

5. The clamp for fixing the pressure detection sensor of a railway freight car tipper according to claim 1, characterized in that: The sensor cover plate (2) is located in the middle of the bottom surface of the sliding plate (1), and the horizontal cross section of the sensor cover plate (2) is circular.

6. The clamp for fixing the pressure detection sensor of a railway freight car tipper according to claim 1, characterized in that: The inverted "U" shaped slot plate (4) includes a plate body (41) and a thickened sheet (42), the thickened sheet (42) being disposed on the lower part of the outer walls on both sides of the plate body (41).

7. The clamp for fixing the pressure detection sensor of a railway freight car tipper according to claim 1, characterized in that: The sensor fixing component (3) consists of four limiting blocks (31) perpendicular to the top surface of the "U"-shaped slot plate. The arc of the limiting block (31) at the position where it contacts the sensor is consistent with the arc of the outer wall of the sensor. The limiting block (31) includes a movable part (311) and a fixed part (312) arranged sequentially from the inside to the outside. The movable part (311) and the fixed part (312) are connected by a push screw (8). The inner end of the push screw (8) is rotated and engaged with the movable part (311). The outer end of the push screw (8) passes through the fixed part (312) and is threadedly connected to the fixed part (312).

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