Track plate static load test rack

Abstract

The utility model relates to the technical field of track plate static load experiments, and discloses a track plate static load test rack, which comprises a rubber pad, a jack fixedly mounted at the top of the rubber pad, a pressure sensor fixedly mounted at the top of the jack, a fixed plate fixedly mounted at the top of the pressure sensor, and a movable plate fixedly mounted at the top of the fixed plate, and a counter-force bracket is fixedly mounted at the top of the fixed plate. The track plate is fixed to the top of the transverse supporting beam or the longitudinal supporting beam, the loading controller is started, the situation that all loading test points are uneven in pressure is avoided, compared with a traditional device, the problem that pressure distribution is uneven possibly occurring in a traditional manual loading mode is avoided, and therefore the accuracy and reliability of a test result are improved, and the test efficiency is improved. Under the condition of non-uniform pressure distribution, local overload may cause cracking, deformation and even damage of the track plate and also causes unnecessary wear to loading equipment such as a jack, and the design ensures the safety of the test process and the integrity of the equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of track plate static load experiments, and more specifically, to a track plate static load test stand. Background Art

[0002] According to the production technical conditions of CRTSIII type track slabs, for every 500 track slabs produced, 2 need to be selected for static load anti-cracking test. The test is divided into two parts: longitudinal static load anti-cracking test of the track slab and transverse static load anti-cracking test of the track slab. In the longitudinal static load anti-cracking test, two support beams are symmetrically set to support the track slab with the transverse center line of the track slab as the symmetry axis, and loading test points are symmetrically set directly above both sides of the support beams. During the test, each loading test point is loaded to a preset value, and the track slab is stopped and observed for cracks. In the transverse static load anti-cracking test, support beams are symmetrically set on the longitudinal center line of the track slab to support the track slab, and loading test points are symmetrically set on both sides of the support beams. During the test, each loading point is loaded to a preset value, and the track slab is stopped and observed for cracks. In traditional tests, the synchronous pressure loading of each loading test point is achieved by manually shouting slogans. This method not only makes it difficult to ensure the precise synchronization of pressure at each point, but is also easily affected by human factors (such as hearing differences, reaction speed, etc.), resulting in deviations in pressure at each point during the loading process. In particular, when the pressure at some loading points is too high or too low, it may cause local damage or misleading test results, affecting the accurate assessment of the track slab quality. Therefore, it needs to be improved and optimized. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a track plate static load test stand, which has the advantages of uniform force and flexible adjustment.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a track plate static load test frame, comprising a rubber pad, a jack fixedly installed on the top of the rubber pad, a pressure sensor fixedly installed on the top of the jack, a fixed plate fixedly installed on the top of the pressure sensor, a reaction force bracket fixedly installed on the top of the fixed plate, a fixed base fixedly installed on the bottom of the reaction force bracket, a transverse support beam and a longitudinal support beam fixedly installed inside the fixed base, and the transverse support beam and the longitudinal support beam are fixedly connected.

[0005] As an optimal technical solution of the present invention, a bidirectional threaded rod is rotatably installed inside the top of the reaction bracket, and the bidirectional threaded rod penetrates the reaction bracket to both ends. A transmission rod is fixedly installed on the right end of the bidirectional threaded rod, and a gear is fixedly sleeved on the outer surface of the transmission rod. A transmission gear is rotatably installed on the bottom of the gear and the transmission gear is engaged with the gear.

[0006] As a preferred technical solution of the present invention, a spring buckle is fixedly installed on the top of the fixed base, a slot is opened on one side of the reaction force bracket, and the spring buckle is fixedly installed inside the slot.

[0007] As a preferred technical solution of the present invention, fixed columns are movably sleeved on the outer surfaces of both ends of the bidirectional threaded rod, and the transmission gear is rotatably mounted on the right surface of the fixed column located on the right side.

[0008] As a preferred technical solution of the present invention, a motor is fixedly installed on the right side of the transmission gear, a motor fixing block is fixedly installed on the right side of the motor, and the motor fixing block is fixedly installed on the right surface of the fixing column located on the right side.

[0009] As a preferred technical solution of the present invention, track plates are fixedly installed on the tops of the transverse support beams and the longitudinal support beams, and the track plates are fixedly installed on the bottoms of the rubber pads.

[0010] As an optimal technical solution of the present invention, a loading controller is fixedly provided on the right side of the fixed base, and two groups of reaction force brackets are provided. The two reaction force brackets are respectively slidably installed on the left and right sides of the bidirectional threaded rod.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0012] 1. The utility model fixes the track plate on the top of the transverse support beam or the longitudinal support beam, starts the loading controller, and the loading controller transmits the required pressure value to the track plate to the pressure sensor through the intelligent system. The pressure sensor drives the jack to start operating, so that the jack applies pressure to the track plate. Through the control of the system, the situation of uneven pressure at each loading test point is avoided. Compared with traditional devices, through the intelligent control of the loading controller, the system can ensure that uniform and precise pressure is applied to each loading test point of the track plate, which avoids the problem of uneven pressure distribution that may occur in traditional manual loading methods, thereby improving the accuracy and reliability of the test results. In the case of uneven pressure distribution, local overload may cause the track plate to crack, deform or even be damaged, and it will also cause unnecessary wear and tear on loading equipment such as the jack. This design ensures the safety of the test process and the integrity of the equipment.

[0013] 2. The utility model starts the motor, the motor drives the transmission gear to rotate, the transmission gear drives the gear to rotate, the gear drives the transmission rod to rotate, so that the transmission rod drives the bidirectional threaded rod to rotate, and the rotation of the bidirectional threaded rod causes the two reaction brackets to drive a series of accessories at the bottom thereof to move relative or opposite to each other, thereby changing the force points according to the different requirements of the track plate. Compared with traditional devices, this design allows the reaction brackets and their accessories to move relative or opposite to each other through motor drive, so that the position and number of the force points can be easily adjusted. This high flexibility enables the system to adapt to track plates of different sizes, shapes and weights, meet diverse testing and installation requirements, and ensure the consistency of force conditions in each test, greatly improving the accuracy of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the right side structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the front structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the bottom structure of the utility model;

[0018] Figure 5 This is a schematic diagram of the longitudinal support beam structure of the utility model;

[0019] Figure 6 This is a schematic diagram of the cross-sectional structure of the fixed base of the utility model.

[0020] In the figure: 1. Fixed base; 2. Horizontal support beam; 3. Longitudinal support beam; 4. Reaction bracket; 5. Spring clip; 6. Jack; 7. Rubber pad; 8. Pressure sensor; 9. Loading controller; 10. Track plate; 11. Bidirectional threaded rod; 12. Fixed column; 13. Gear; 14. Transmission rod; 15. Transmission gear; 16. Motor; 17. Motor fixing block; 18. Fixing plate; 19. Slot. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] like Figures 1 to 6As shown, the utility model provides a track plate static load test frame, including a rubber pad 7, a jack 6 is fixedly installed on the top of the rubber pad 7, a pressure sensor 8 is fixedly installed on the top of the jack 6, a fixed plate 18 is fixedly installed on the top of the pressure sensor 8, a reaction force bracket 4 is fixedly installed on the top of the fixed plate 18, a fixed base 1 is fixedly installed on the bottom of the reaction force bracket 4, a transverse support beam 2 and a longitudinal support beam 3 are fixedly installed inside the fixed base 1, and the transverse support beam 2 and the longitudinal support beam 3 are fixedly connected.

[0023] The staff fixes the track plate 10 on the top of the transverse support beam 2 or the longitudinal support beam 3, places a rubber pad 7 on the top of the track plate 10, and a jack 6 is fixed on the top of the rubber pad 7. A pressure sensor 8 is fixed on the top of the jack 6. The loading controller 9 is started. The loading controller 9 transmits the required pressure value applied to the track plate 10 to the pressure sensor 8 through intelligent control. The pressure sensor 8 drives the output shaft of the jack 6 to lift up and apply pressure to the track plate 10.

[0024] By fixing the track plate 10 on the top of the transverse support beam 2 or the longitudinal support beam 3, the loading controller 9 is started. The loading controller 9 transmits the required pressure value applied to the track plate 10 to the pressure sensor 8 through the intelligent system. The pressure sensor 8 drives the jack 6 to start operation, so that the jack 6 applies pressure to the track plate 10. Through the control of the system, the situation of uneven pressure at each loading test point is avoided. Compared with traditional devices, through the intelligent control of the loading controller 9, the system can ensure that uniform and precise pressure is applied to each loading test point of the track plate 10, which avoids the problem of uneven pressure distribution that may occur in traditional manual loading methods, thereby improving the accuracy and reliability of the test results. In the case of uneven pressure distribution, local overload may cause the track plate to crack, deform or even be damaged, and it will also cause unnecessary wear on loading equipment such as jacks. This design ensures the safety of the test process and the integrity of the equipment.

[0025] Among them, a bidirectional threaded rod 11 is rotatably installed inside the top of the reaction bracket 4, and the bidirectional threaded rod 11 penetrates the reaction bracket 4 to both ends. A transmission rod 14 is fixedly installed on the right end of the bidirectional threaded rod 11, and a gear 13 is fixedly sleeved on the outer surface of the transmission rod 14. A transmission gear 15 is rotatably installed at the bottom of the gear 13 and the transmission gear 15 is engaged with the gear 13.

[0026] The staff starts the motor 16, the output shaft of the motor 16 drives the transmission gear 15 to rotate, the transmission gear 15 drives the gear 13 to rotate, the gear 13 drives the transmission rod 14 to rotate, the transmission rod 14 drives the bidirectional threaded rod 11 to rotate, the bidirectional threaded rod 11 drives the two reaction force brackets 4 to move relative to each other, the two reaction force brackets 4 drive the two fixed plates 18 and the jack 6 to move relative to each other. When it moves to a certain position, the track plate 10 is fixed on the top of the transverse support beam 2 or the longitudinal support beam 3, the rubber pad 7 is placed on the top of the track plate 10, and the jack 6 is placed on the top of the rubber pad 7.

[0027] By starting the motor 16, the motor 16 drives the transmission gear 15 to rotate, the transmission gear 15 drives the gear 13 to rotate, and the gear 13 drives the transmission rod 14 to rotate, so that the transmission rod 14 drives the bidirectional threaded rod 11 to rotate, and the rotation of the bidirectional threaded rod 11 makes the two reaction brackets 4 drive a series of accessories at the bottom thereof to move relative or oppositely, so that the force points can be changed according to the different requirements of the track plate. Compared with traditional devices, this design allows the reaction bracket 4 and its accessories to move relative or oppositely through motor drive, so that the position and number of the force points can be easily adjusted. This high flexibility enables the system to adapt to track plates of different sizes, shapes and weights, meet diverse testing and installation requirements, and ensure the consistency of force conditions during each test, greatly improving the accuracy of the test.

[0028] A spring buckle 5 is fixedly installed on the top of the fixed base 1 , a slot 19 is opened on one side of the reaction force bracket 4 , and the spring buckle 5 is fixedly installed inside the slot 19 .

[0029] By providing a spring clip 5, the reaction support 4 can be firmly fixed on the fixed base 1 when it moves to a suitable position. The spring clip 5 can quickly and firmly lock the reaction support 4 at a predetermined position on the fixed base 1, effectively preventing the support from moving or loosening due to external force or vibration. This stable fixing method not only ensures stability during testing or installation, but also greatly improves the safety of the overall structure, avoiding accidental damage or accidents caused by unstable support.

[0030] Among them, fixed columns 12 are movably sleeved on the outer surfaces of both ends of the bidirectional threaded rod 11, and the transmission gear 15 is rotatably installed on the right surface of the fixed column 12 located on the right side.

[0031] Fixed columns 12 are provided at both ends of the bidirectional threaded rod 11. When the motor 16 drives the bidirectional threaded rod 11 to rotate, the bidirectional threaded rod 11 can be well supported. The setting of the fixed columns 12 ensures the stability of the operation of the motor 16 drive mechanism. The fixed columns 12 serve as support points for the bidirectional threaded rod 11, effectively enhancing the rigidity of the entire transmission structure. When the motor drives the bidirectional threaded rod to rotate at high speed, the threaded rod is prevented from bending or deforming due to uneven force, thereby ensuring the accuracy and stability of the transmission.

[0032] A motor 16 is fixedly mounted on the right side of the transmission gear 15 , a motor fixing block 17 is fixedly mounted on the right side of the motor 16 , and the motor fixing block 17 is fixedly mounted on the right surface of the fixing column 12 on the right side.

[0033] By starting the motor 16, the output shaft of the motor 16 drives the transmission gear 15 to rotate, the transmission gear 15 drives the gear 13 to rotate, the gear 13 drives the transmission rod 14 to rotate, and the transmission rod 14 drives the bidirectional threaded rod 11 to rotate. The setting of the motor 16 provides power for the entire adjustment mechanism. By providing the motor fixing block 17, the motor 16 can operate smoothly and efficiently.

[0034] The track plates 10 are fixedly mounted on the tops of the transverse support beam 2 and the longitudinal support beam 3 , and the track plates 10 are fixedly mounted on the bottoms of the rubber pads 7 .

[0035] By providing the transverse support beam 2 and the longitudinal support beam 3, the transverse support beam 2 and the longitudinal support beam 3 firmly support and fix the track plate 10, which helps to stabilize the test. The provision of the rubber pad 7 avoids direct contact output between the jack 6 and the track plate 10, which may cause damage to the track plate 10, and avoids deviation in the test results caused by damage to the track plate 10.

[0036] Among them, a loading controller 9 is fixedly set on the right side of the fixed base 1, and two groups of reaction force brackets 4 are set. The two reaction force brackets 4 are slidably installed on the left and right sides of the bidirectional threaded rod 11 respectively.

[0037] By providing a loading controller 9, the loading controller 9 transmits data to the pressure sensor 8 through the intelligent system. The loading controller 9 can receive instructions from the intelligent system and accurately control the application of the loading force. This precise control ensures the stability and consistency of the loading force during the test.

[0038] The working principle and use process of this utility model:

[0039] The staff fixes the track plate 10 on the top of the transverse support beam 2 or the longitudinal support beam 3, places a rubber pad 7 on the top of the track plate 10, and a jack 6 is fixed on the top of the rubber pad 7. A pressure sensor 8 is fixed on the top of the jack 6. The loading controller 9 is started. The loading controller 9 transmits the required pressure value applied to the track plate 10 to the pressure sensor 8 through intelligent control. The pressure sensor 8 drives the output shaft of the jack 6 to lift up and apply pressure to the track plate 10.

[0040] The staff starts the motor 16, the output shaft of the motor 16 drives the transmission gear 15 to rotate, the transmission gear 15 drives the gear 13 to rotate, the gear 13 drives the transmission rod 14 to rotate, the transmission rod 14 drives the bidirectional threaded rod 11 to rotate, the bidirectional threaded rod 11 drives the two reaction force brackets 4 to move relative to each other, the two reaction force brackets 4 drive the two fixed plates 18 and the jack 6 to move relative to each other. When it moves to a certain position, the track plate 10 is fixed on the top of the transverse support beam 2 or the longitudinal support beam 3, the rubber pad 7 is placed on the top of the track plate 10, and the jack 6 is placed on the top of the rubber pad 7.

[0041] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0042] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A track plate static load test stand, comprising a rubber pad (7), characterized in that: A jack (6) is fixedly installed on the top of the rubber pad (7), a pressure sensor (8) is fixedly installed on the top of the jack (6), a fixed plate (18) is fixedly installed on the top of the pressure sensor (8), a reaction support (4) is fixedly installed on the top of the fixed plate (18), a fixed base (1) is fixedly installed on the bottom of the reaction support (4), a transverse support beam (2) and a longitudinal support beam (3) are fixedly installed inside the fixed base (1), and the transverse support beam (2) and the longitudinal support beam (3) are fixedly connected.

2. A track plate static load test stand according to claim 1, characterized in that: A bidirectional threaded rod (11) is rotatably mounted inside the top of the reaction support (4), and the bidirectional threaded rod (11) penetrates the reaction support (4) at both ends. A transmission rod (14) is fixedly mounted on the right end of the bidirectional threaded rod (11), and a gear (13) is fixedly sleeved on the outer surface of the transmission rod (14). A transmission gear (15) is rotatably mounted on the bottom of the gear (13), and the transmission gear (15) is meshed with the gear (13).

3. The track plate static load test stand according to claim 1, characterized in that: A spring buckle (5) is fixedly mounted on the top of the fixed base (1), a slot (19) is provided on one side of the reaction force bracket (4), and the spring buckle (5) is fixedly mounted inside the slot (19).

4. The track plate static load test stand according to claim 2, characterized in that: The outer surfaces of both ends of the bidirectional threaded rod (11) are movably sleeved with fixed columns (12), and the transmission gear (15) is rotatably mounted on the right surface of the fixed column (12) located on the right side.

5. The track plate static load test stand according to claim 2, characterized in that: A motor (16) is fixedly mounted on the right side of the transmission gear (15), a motor fixing block (17) is fixedly mounted on the right side of the motor (16), and the motor fixing block (17) is fixedly mounted on the right surface of the fixing column (12) located on the right side.

6. The track plate static load test stand according to claim 1, characterized in that: A track plate (10) is fixedly mounted on the top of the transverse support beam (2) and the longitudinal support beam (3), and the track plate (10) is fixedly mounted on the bottom of the rubber pad (7).

7. The track slab static load test stand according to claim 1, characterized in that: A loading controller (9) is fixedly provided on the right side of the fixed base (1), and two groups of reaction force brackets (4) are provided. The two reaction force brackets (4) are slidably installed on the left and right sides of the bidirectional threaded rod (11) respectively.

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