Device for detecting rigidity of ballast track of high-speed railway

Abstract

The utility model discloses a device for detecting the rigidity of a ballast track of a high-speed railway, which relates to the technical field of track rigidity detection and comprises a left bottom plate, a right bottom plate is arranged on one side of the left bottom plate, first supporting columns are fixedly mounted at the top of the left bottom plate and the top of the right bottom plate, and top plates are fixedly mounted at the tops of the two first supporting columns. The high-speed railway ballast track rigidity detection device comprises two top plates, the bottoms of the two top plates are both fixedly provided with electric telescopic rods, the telescopic ends of the two electric telescopic rods are both fixedly provided with circular fixing blocks, and the bottoms of the two circular fixing blocks are both connected with circular inserting blocks in an inserted mode. The movable columns on the two sides are pulled outwards, so that the triangular clamping blocks move towards one end, limiting on the clamping blocks is relieved, the vibration exciter is rotated, the clamping blocks can move, the vibration exciter can be taken down and overhauled and maintained, and the service life of the vibration exciter is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of track stiffness detection, in particular to a device for detecting stiffness of a ballasted track of a high-speed railway. Background Art

[0002] Rails are one of the key components of railway lines, and their bending stiffness has an important impact on the smooth transportation and safety performance of railway lines. If the bending stiffness of the rails is insufficient, their bearing capacity will be affected, and they are prone to bending, deformation, cracking and other problems, which will damage the normal operation of the railway line and the travel safety of passengers. Therefore, the railway transportation department should take corresponding measures to ensure that the bending stiffness of the rails is within a reasonable range, and promptly inspect and replace aging, damage and other problems.

[0003] The Chinese patent application number 201710190697.7 proposes a track dynamic stiffness detection device and system, which includes an exciter, a fixing device connected to the exciter, a force sensor connected to the exciter, a displacement sensor connected to the rail, a data acquisition device connected to the force sensor and the displacement sensor respectively, a computer connected to the data acquisition device, and a clamp assembly for clamping and fixing the rail, wherein the clamp assembly is connected to the force sensor. The clamp assembly includes a clamp connector, a clamp base, a first clamp plate, and a second clamp plate, wherein the clamp connector is connected between the clamp base and the force sensor, and the side of the clamp base away from the clamp connector cooperates with the surface of the rail. The technical solution provided by the present invention has the advantages of convenient and fast installation and disassembly, stable and reliable force transmission, and high detection accuracy.

[0004] However, after the improvement, the above patent still has the problem that when the exciter fails, it needs to unscrew four together to remove it, which is time-consuming and laborious. In addition, it is troublesome to move the mounted detection instrument to the top of the track for detection and then transport it to the next section for detection. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a device for detecting the stiffness of ballasted track of a high-speed railway, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a high-speed railway ballasted track stiffness detection device, comprising a left bottom plate, a right bottom plate is arranged on one side of the left bottom plate, first support columns are fixedly installed on the tops of the left bottom plate and the right bottom plate, top plates are fixedly installed on the tops of the two first support columns, electric telescopic rods are fixedly installed on the bottoms of the two top plates, circular fixing blocks are fixedly installed on the telescopic ends of the two electric telescopic rods, circular plug-in blocks are plugged into the bottoms of the two circular fixing blocks, vibrators are fixedly installed on the bottoms of the two circular plug-in blocks, pressure sensors are fixedly installed on the bottoms of the two vibrators, clamping blocks are fixedly installed on the outer sides of the two circular plug-in blocks, and the insides of the two circular fixing blocks are provided with Two clamping slots, the clamping block is inserted into the interior of the clamping slot and slidably connected thereto, two first sliding slots are provided inside the two circular fixed blocks and on one side of the clamping slot, four first sliding slots are fixedly installed with springs, one end of the four springs is fixedly installed with a triangular clamping block, the triangular clamping block is slidably connected to the interior of the first sliding slot, one side of the four triangular clamping blocks and located at the central position of the spring is fixedly installed with a moving column, the four moving columns extend to the outer wall of the circular fixed block and are slidably connected thereto, an auxiliary rod is fixedly installed at the bottom of the two top plates, one end of the two auxiliary rods passes through the interior of the exciter and is fixedly connected to the top of the left bottom plate and the right bottom plate respectively, and the outer wall of the internal auxiliary rod of the exciter is slidably connected.

[0007] Preferably, a third sliding post is fixedly installed on one side of the right base plate near both ends, and two third sliding grooves are provided inside the left base plate, the third sliding post is inserted into the inside of the third sliding groove and is slidably connected thereto, and screw rods are rotatably installed inside the two third sliding grooves, and the third sliding post is threadedly connected to the screw rods, and two second sliding posts are fixedly installed on one side of the right base plate and located between the two third sliding posts, and two second sliding grooves are provided inside the left base plate and located between the two third sliding grooves, and the second sliding post is inserted into the inside of the second sliding groove and is slidably connected thereto. When the two screw rods rotate, the third sliding post and the second sliding post can be driven to move, and the distance between the left base plate and the right base plate can be adjusted according to the width of the track.

[0008] Preferably, a first square groove is opened inside the left bottom plate and at one end of the two third sliding grooves, and a first bevel gear and a second bevel gear are rotatably installed inside the two first square grooves, the first bevel gear and the second bevel gear are meshingly connected, the screw rod extends to the inside of the first square groove and is fixedly connected to the inside of the second bevel gear, a connecting rod is fixedly installed between the two first bevel gears, and the connecting rod is rotatably connected to the inside of the left bottom plate, and the two screw rods can be driven to rotate by rotating the first bevel gear and the second bevel gear.

[0009] Preferably, a second square groove is provided inside the left bottom plate and between the two first square grooves, a third bevel gear and a fourth bevel gear are rotatably installed inside the second square groove, the third bevel gear and the fourth bevel gear are meshingly connected, the third bevel gear is fixedly connected to the outer wall of the connecting rod, a motor is fixedly installed inside the left bottom plate, the output end of the motor is fixedly connected to one end of the fourth bevel gear, and the first bevel gear and the second bevel gear can be rotated by rotating the third bevel gear and the fourth bevel gear.

[0010] Preferably, two fixed support blocks are fixedly installed at the bottom of the left bottom plate and the right bottom plate, and rollers are rotatably installed on one side of the four fixed support blocks. By arranging rollers on one side of the left bottom plate and the right bottom plate, the device can be placed on a track and moved along the track.

[0011] Preferably, a second supporting column is fixedly installed on the top of the left bottom plate and the right bottom plate, and a third supporting column is fixedly installed on one side of the two second supporting columns and located on the top of the left bottom plate and the right bottom plate, wherein a left handle is fixedly installed on the side close to the top of one of the second supporting columns, and a fourth sliding groove is provided inside the left handle, and a right handle is fixedly installed on the side close to the top of the other second supporting column, and a fourth sliding column is fixedly installed on one end of the right handle, and the fourth sliding column is inserted into the interior of the fourth sliding groove and is slidably connected with the interior thereof, and when the left bottom plate and the right bottom plate are separated, the left handle and the right handle will also be separated, and connected by the fourth sliding column between them, so that it is convenient for the staff to hold and move the device.

[0012] The utility model provides a high-speed railway ballasted track stiffness detection device, which has the following beneficial effects:

[0013] 1. The high-speed railway ballasted track stiffness detection device pulls the movable columns on both sides outward to move the triangular clamping block to one end, releases the limit on the clamping block, rotates the vibrator to make the clamping block move, and then the vibrator can be removed for inspection and maintenance to extend the service life of the vibrator.

[0014] 2. The high-speed railway ballasted track stiffness detection device has rollers on one side of the left bottom plate and the right bottom plate, so that the device can be placed on the track and moved along the track, avoiding the need to carry the erection-style detection instrument to the next section for detection, saving the labor of repeatedly moving the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2This is a top sectional view of the utility model;

[0017] Figure 3 For this utility model Figure 2 A in the enlarged view;

[0018] Figure 4 For this utility model Figure 2 The enlarged view of point B in the figure;

[0019] Figure 5 It is a side sectional view of the utility model;

[0020] Figure 6 For this utility model Figure 5 The enlarged view of point C in the figure;

[0021] Figure 7 This is a schematic diagram of the structure of the vibration exciter of the utility model;

[0022] Figure 8 It is a front cross-sectional view of the left handle and the right handle of the utility model.

[0023] In the figure: 1. left bottom plate; 2. right bottom plate; 3. roller; 4. fixed support block; 5. first support column; 6. top plate; 7. auxiliary rod; 8. electric telescopic rod; 9. circular fixed block; 10. exciter; 11. pressure sensor; 12. circular plug block; 13. clamping block; 14. clamping groove; 15. first sliding groove; 16. spring; 17. triangular clamping block; 18. moving column; 19. second sliding groove; 20. second sliding column; 21. third sliding column; 22. third sliding groove; 23. screw rod; 24. first square groove; 25. first bevel gear; 26. second bevel gear; 27. connecting rod; 28. motor; 29. ​​second square groove; 30. third bevel gear; 31. fourth bevel gear; 32. second support column; 33. third support column; 34. fourth sliding groove; 35. fourth sliding column; 36. right handle; 37. left handle. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Embodiment 1

[0026] See also Figures 1 to 8The utility model provides a technical solution: a high-speed railway ballasted track stiffness detection device, comprising a left bottom plate 1, a right bottom plate 2 is arranged on one side of the left bottom plate 1, first support columns 5 are fixedly installed on the tops of the left bottom plate 1 and the right bottom plate 2, top plates 6 are fixedly installed on the tops of the two first support columns 5, electric telescopic rods 8 are fixedly installed on the bottoms of the two top plates 6, circular fixing blocks 9 are fixedly installed on the telescopic ends of the two electric telescopic rods 8, circular plug-in blocks 12 are plugged into the bottoms of the two circular fixing blocks 9, vibrators 10 are fixedly installed on the bottoms of the two circular plug-in blocks 12, pressure sensors 11 are fixedly installed on the bottoms of the two vibrators 10, clamping blocks 13 are fixedly installed on the outer sides of the two circular plug-in blocks 12, two clamping grooves 14 are provided inside the two circular fixing blocks 9, and the clamping blocks 13 Inserted into the interior of the card slot 14 and slidably connected thereto, two first sliding slots 15 are provided inside the two circular fixed blocks 9 and on one side of the card slot 14, springs 16 are fixedly installed inside the four first sliding slots 15, one end of the four springs 16 is fixedly installed with a triangular card block 17, the triangular card block 17 is slidably connected to the interior of the first sliding slot 15, one side of the four triangular card blocks 17 and located at the central position of the spring 16 are fixedly installed with a moving column 18, the four moving columns 18 extend to the outer wall of the circular fixed block 9 and are slidably connected thereto, an auxiliary rod 7 is fixedly installed at the bottom of the two top plates 6, one end of the two auxiliary rods 7 passes through the interior of the exciter 10 and is fixedly connected to the top of the left bottom plate 1 and the right bottom plate 2 respectively, and the outer wall of the auxiliary rod 7 inside the exciter 10 is slidably connected.

[0027] A third sliding column 21 is fixedly installed on one side of the right bottom plate 2 near both ends, and two third sliding grooves 22 are provided inside the left bottom plate 1. The third sliding column 21 is inserted into the inside of the third sliding groove 22 and is slidably connected thereto. A screw rod 23 is rotatably installed inside the two third sliding grooves 22, and the third sliding column 21 is threadedly connected to the screw rod 23. Two second sliding columns 20 are fixedly installed on one side of the right bottom plate 2 and located between the two third sliding columns 21. Two second sliding grooves 19 are provided inside the left bottom plate 1 and located between the two third sliding grooves 22. The second sliding column 20 is inserted into the inside of the second sliding groove 19 and is slidably connected thereto. A first square groove 24 is provided inside the left bottom plate 1 and located at one end of the two third sliding grooves 22. A first bevel gear 25 and a second bevel gear 26 are rotatably installed inside the two first square grooves 24. The first bevel gear 25 and the second bevel gear 26 are meshedly connected, and the screw rod 23 extends To the inside of the first square groove 24 and fixedly connected with the inside of the second bevel gear 26, a connecting rod 27 is fixedly installed between the two first bevel gears 25, and the connecting rod 27 is rotatably connected to the inside of the left bottom plate 1, and a second square groove 29 is opened inside the left bottom plate 1 and between the two first square grooves 24, and a third bevel gear 30 and a fourth bevel gear 31 are rotatably installed inside the second square groove 29, and the third bevel gear 30 and the fourth bevel gear 31 are meshed and connected, and the third bevel gear 30 is fixedly connected to the outer wall of the connecting rod 27, and a motor 28 is fixedly installed inside the left bottom plate 1, and the output end of the motor 28 is fixedly connected to one end of the fourth bevel gear 31. By rotating the third bevel gear 30 and the fourth bevel gear 31, the first bevel gear 25 and the second bevel gear 26 can be rotated, which can drive the two screw rods 23 to rotate, so that the third sliding column 21 and the second sliding column 20 move, and the distance between the left bottom plate 1 and the right bottom plate 2 can be adjusted according to the width of the track.

[0028] A second supporting column 32 is fixedly installed on the top of the left bottom plate 1 and the right bottom plate 2, and a third supporting column 33 is fixedly installed on one side of the two second supporting columns 32 and located on the top of the left bottom plate 1 and the right bottom plate 2, a left handle 37 is fixedly installed on the side of one of the second supporting columns 32 close to the top, and a fourth sliding groove 34 is provided inside the left handle 37, and a right handle 36 is fixedly installed on the side of the other second supporting column 32 close to the top, and a fourth sliding column 35 is fixedly installed on one end of the right handle 36, and the fourth sliding column 35 is inserted into the interior of the fourth sliding groove 34 and slidably connected with the interior thereof, and two fixed supporting blocks 4 are fixedly installed on the bottom of the left bottom plate 1 and the right bottom plate 2, and rollers 3 are rotatably installed on one side of the four fixed supporting blocks 4, and when the left bottom plate 1 and the right bottom plate 2 are separated, the left handle 37 and the right handle 36 will also be separated, and connected by the fourth sliding column 35 between them, so that it is convenient for the staff to hold and move the device.

[0029] To sum up, when the device for detecting the stiffness of ballasted track of high-speed railway is used, the roller 3 of the device is placed above the track, and the motor 28 is started to rotate the third bevel gear 30 and the fourth bevel gear 31, which drives the first bevel gear 25 and the second bevel gear 26 to rotate, so that the two screw rods 23 rotate to drive the third sliding column 21 and the second sliding column 20 to move, and the distance between the left bottom plate 1 and the right bottom plate 2 is adjusted according to the width of the track. During the detection, the telescopic end of the electric telescopic rod 8 drives the exciter 10 to fall and press against the track, and the pressure sensor 11 attached to the surface of the track cooperates with the exciter 10 to perform stiffness detection. At the detection point, the electric telescopic rod 8 retracts after the detection is completed, so that the pressure sensor 11 is no longer in contact with the track.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-speed railway ballasted track stiffness detection device, comprising a left bottom plate (1), Features: A right bottom plate (2) is provided on one side of the left bottom plate (1); first support columns (5) are fixedly installed on the tops of the left bottom plate (1) and the right bottom plate (2); top plates (6) are fixedly installed on the tops of the two first support columns (5); electric telescopic rods (8) are fixedly installed on the bottoms of the two top plates (6); circular fixing blocks (9) are fixedly installed on the telescopic ends of the two electric telescopic rods (8); circular plug-in blocks (12) are plugged into the bottoms of the two circular fixing blocks (9); exciters (10) are fixedly installed on the bottoms of the two circular plug-in blocks (12); pressure sensors (11) are fixedly installed on the bottoms of the two exciters (10); clamping blocks (13) are fixedly installed on the outer sides of the two circular plug-in blocks (12); two clamping grooves (14) are provided inside the two circular fixing blocks (9); the clamping blocks (13) are inserted into the inside of the clamping grooves (14) and slide with the inside thereof. The circular fixed blocks (9) are dynamically connected, and two first sliding grooves (15) are provided inside and on one side of the clamping groove (14). Springs (16) are fixedly installed inside the four first sliding grooves (15). One end of the four springs (16) is fixedly installed with a triangular clamping block (17). The triangular clamping block (17) is slidably connected to the inside of the first sliding groove (15). A moving column (18) is fixedly installed on one side of the four triangular clamping blocks (17) and located at the central position of the spring (16). The four moving columns (18) extend to the outer wall of the circular fixed block (9) and are slidably connected to the inside. Auxiliary rods (7) are fixedly installed at the bottom of the two top plates (6). One end of the two auxiliary rods (7) passes through the inside of the exciter (10) and is fixedly connected to the top of the left bottom plate (1) and the right bottom plate (2) respectively. The outer wall of the auxiliary rod (7) inside the exciter (10) is slidably connected.

2. A high-speed railway ballasted track stiffness detection device according to claim 1, Features: A third sliding column (21) is fixedly installed on one side of the right bottom plate (2) near both ends, two third sliding grooves (22) are provided inside the left bottom plate (1), the third sliding column (21) is inserted into the inside of the third sliding groove (22) and is slidably connected thereto, a screw rod (23) is rotatably installed inside the two third sliding grooves (22), the third sliding column (21) and the screw rod (23) are threadedly connected, two second sliding columns (20) are fixedly installed on one side of the right bottom plate (2) and located between the two third sliding columns (21), two second sliding grooves (19) are provided inside the left bottom plate (1) and located between the two third sliding grooves (22), the second sliding column (20) is inserted into the inside of the second sliding groove (19) and is slidably connected thereto.

3. A high-speed railway ballasted track stiffness detection device according to claim 2, Features: A first square groove (24) is provided inside the left bottom plate (1) and at one end of the two third sliding grooves (22); a first bevel gear (25) and a second bevel gear (26) are rotatably mounted inside the two first square grooves (24); the first bevel gear (25) and the second bevel gear (26) are meshingly connected; the screw rod (23) extends into the inside of the first square groove (24) and is fixedly connected to the inside of the second bevel gear (26); a connecting rod (27) is fixedly mounted between the two first bevel gears (25); and the connecting rod (27) is rotatably connected to the inside of the left bottom plate (1).

4. A high-speed railway ballasted track stiffness detection device according to claim 1, Features: A second square groove (29) is provided inside the left bottom plate (1) and between the two first square grooves (24); a third bevel gear (30) and a fourth bevel gear (31) are rotatably mounted inside the second square groove (29); the third bevel gear (30) and the fourth bevel gear (31) are meshingly connected; the third bevel gear (30) is fixedly connected to the outer wall of the connecting rod (27); a motor (28) is fixedly mounted inside the left bottom plate (1); and an output end of the motor (28) is fixedly connected to one end of the fourth bevel gear (31).

5. A high-speed railway ballasted track stiffness detection device according to claim 1, Features: Two fixed support blocks (4) are fixedly mounted on the bottom of the left bottom plate (1) and the right bottom plate (2), and rollers (3) are rotatably mounted on one side of the four fixed support blocks (4).

6. A high-speed railway ballasted track stiffness detection device according to claim 1, Features: The tops of the left bottom plate (1) and the right bottom plate (2) are both fixedly mounted with second support columns (32), and third support columns (33) are both fixedly mounted on one side of the two second support columns (32) and located on the tops of the left bottom plate (1) and the right bottom plate (2), wherein a left handle (37) is fixedly mounted on one side of one of the second support columns (32) close to the top, and a fourth sliding groove (34) is provided inside the left handle (37), and a right handle (36) is fixedly mounted on one side of the other second support column (32) close to the top, and a fourth sliding column (35) is fixedly mounted on one end of the right handle (36), and the fourth sliding column (35) is inserted into the inside of the fourth sliding groove (34) and is slidably connected thereto.

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