Highway bridge bearing capacity detection device

Abstract

The utility model belongs to the technical field of highway bridge bearing capacity detection, and particularly relates to a highway bridge bearing capacity detection device which comprises a hydraulic device, connecting rods are symmetrically arranged on the two sides of the hydraulic device, vertical rods are arranged on the lower sides of the ends, away from each other, of the connecting rods, and a control box is arranged in the middle of the vertical rod on one side. A connecting plate is arranged at the output end of the lower side of the hydraulic device, pressing rods are evenly arranged at the lower end of the connecting plate, connecting cylinders are rotationally arranged on the lower sides of the pressing rods, inserting cylinders are arranged on the side faces of the connecting cylinders, and pressing blocks are rotationally arranged on the lower sides of the inserting cylinders. The pry bar is inserted outside the inserting cylinder, then the pry bar drives the connecting cylinder to rotate, the connecting cylinder is in threaded connection with the pressing rod, the height of the corresponding pressing block is adjusted, the contact between the pressure block and the to-be-tested surface can be increased and decreased according to the test requirement, and therefore the contact area is changed, and the pressed conditions of the highway bridge in different contact areas can be conveniently tested.

Description

Technical Field

[0001] The utility model belongs to the technical field of highway bridge load-bearing capacity detection, and in particular relates to a highway bridge load-bearing capacity detection device. Background Art

[0002] Highway bridges are an important part of road transportation, carrying vehicles and pedestrians. In order to ensure the safe operation and effective service of highway bridges, it is crucial to regularly test the bearing capacity of highway bridges. Static load testing is an important method to assess the bearing capacity of highway bridges. It places a static load of a certain weight on the bridge and observes the deformation of the highway bridge, thereby assessing the strength and stability of the highway bridge. At present, when static load testing is performed on highway bridges, some use high-pressure hydraulic devices to press pressure blocks to perform pressure tests on highway bridges. However, it is impossible to freely change the pressure test surface during the pressure test, which makes it inconvenient to test the pressure of highway bridges under the same pressure and different contact areas. Utility Model Content

[0003] In view of the above problems, the purpose of the utility model is to provide a highway bridge bearing capacity detection device to solve the problem that when performing static load detection on highway bridges, some people use high-pressure hydraulic devices to press pressure blocks to perform pressure tests on highway bridges, but cannot freely change the pressure test surface during the pressure test, making it inconvenient to test the pressure conditions of highway bridges under the same pressure and different contact areas.

[0004] To achieve the above purpose, the utility model adopts the following technical solution: a highway bridge bearing capacity detection device, including a hydraulic device, connecting rods are symmetrically arranged on both sides of the hydraulic device, a vertical pole is arranged on the lower side of one end of the connecting rod away from each other, a control box is arranged in the middle of the vertical pole on one side, a support rod is arranged at the lower end of the vertical pole, a connecting plate is arranged at the lower output end of the hydraulic device, pressure rods are evenly arranged at the lower end of the connecting plate, a connecting cylinder is rotatably arranged on the lower side of the pressure rod, a plug-in cylinder is arranged on the side of the connecting cylinder, and a pressure block is rotatably arranged on the lower side of the plug-in cylinder.

[0005] The beneficial effects of the utility model are as follows: by plugging a pry rod outside the plug-in tube, the pry rod then drives the connecting tube to rotate, the connecting tube is threadedly connected to the pressure rod, and the height of the corresponding pressure block is adjusted. The contact between the pressure block and the surface to be tested can be increased or decreased according to test needs, thereby changing the contact area, thereby facilitating the testing of the pressure condition of the highway bridge when different contact areas are present.

[0006] In order to accurately monitor the pressure changes of the pressure block on the surface to be tested;

[0007] As a further improvement of the above technical solution: a pressure sensor is provided at the lower output end of the hydraulic device, the lower side of the pressure sensor is connected to the connecting plate, and a connecting line is provided between the pressure sensor and the control box.

[0008] The beneficial effect of this improvement is that when a highway bridge is subjected to pressure testing, a pressure sensor is provided to facilitate accurate monitoring of the pressure changes of the pressure block on the surface to be tested.

[0009] In order to facilitate the stable up and down movement of the connecting plate;

[0010] As a further improvement of the above technical solution: slots are provided on both sides of the connecting plate, and the connecting plate is slidably engaged with the vertical pole through the slots.

[0011] The beneficial effect of this improvement is that notches are provided on both sides of the connecting plate, and the connecting plate is slidably engaged with the vertical rod through the notches, so that the connecting plate can be stably moved up and down.

[0012] In order to save effort when pulling the lower structure at the output end of the hydraulic device;

[0013] As a further improvement of the above technical solution: a hydraulic telescopic rod 1 is symmetrically arranged on both sides of the vertical pole, the lower end of the hydraulic telescopic rod 1 is fixedly connected to the support rod, and the upper output end of the hydraulic telescopic rod 1 is fixedly connected to the connecting plate.

[0014] The beneficial effect of this improvement is that a hydraulic telescopic rod is symmetrically arranged on both sides of the vertical pole, the lower end of the hydraulic telescopic rod is fixedly connected to the support rod, the upper output end of the hydraulic telescopic rod is fixedly connected to the connecting plate, and the hydraulic telescopic rod is arranged, and the output end of the hydraulic telescopic rod pushes the connecting plate, which makes it easier to save effort when pulling the lower structure at the output end of the hydraulic device.

[0015] In order to facilitate the movement of the device on the highway bridge;

[0016] As a further improvement of the above technical solution: a fixed block is provided on the side of the vertical poles that are away from each other, a hydraulic telescopic rod 2 is provided on the lower side of the fixed block, a cross bar is provided at the lower output end of the hydraulic telescopic rod 2, and moving wheels are provided at both ends of the cross bar.

[0017] The beneficial effects of this improvement are as follows: a fixed block is provided on the side of the vertical poles that are away from each other, a hydraulic telescopic rod 2 is provided on the lower side of the fixed block, a cross bar is provided on the lower output end of the hydraulic telescopic rod 2, and moving wheels are provided at both ends of the cross bar. The output end of the hydraulic telescopic rod 2 pushes the cross bar, and the cross bar pushes the moving wheel. After the moving wheel contacts the ground, it supports other structures of the device, making it easy to move the device on the highway bridge.

[0018] In order to facilitate the lifting of the device;

[0019] As a further improvement of the above technical solution: a lifting ring is provided on the upper side of the connecting rod.

[0020] The beneficial effect of this improvement is that a lifting ring is provided on the upper side of the connecting rod to facilitate lifting of the device.

[0021] In order to increase the stability of the overall structure of the device;

[0022] As a further improvement of the above technical solution: reinforcing rods are symmetrically arranged on both sides of the connecting rod, a fixing plate is arranged at the upper end of the reinforcing rod, the fixing plate and the connecting rod are bolted together, a bottom rod is arranged at the lower end of the reinforcing rod, and a fixing hole is opened on the upper side of the bottom rod.

[0023] The beneficial effects of this improvement are as follows: reinforcing rods are symmetrically arranged on both sides of the connecting rod, a fixing plate is arranged at the upper end of the reinforcing rod, the fixing plate and the connecting rod are bolted, a bottom rod is arranged at the lower end of the reinforcing rod, a fixing hole is opened on the upper side of the bottom rod, the lower end of the reinforcing rod is integrally connected through the bottom rod, the bottom rod is connected to the surface of the highway bridge through the fixing bolt connected to the fixing hole, and the reinforcing rod is connected to the connecting rod to increase the stability of the overall structure of the device.

[0024] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of the utility model;

[0026] Figure 2 The structure side view of the utility model Figure 1 ;

[0027] Figure 3 The structure side view of the utility model Figure 2 ;

[0028] Figure 4 It is a top view of the structure of the utility model;

[0029] Figure 5 This is a schematic diagram of the connection structure of the pressure block in the utility model;

[0030] In the figure: 1. hydraulic device; 2. connecting rod; 3. vertical rod; 4. supporting rod; 5. connecting plate; 6. pressure rod; 7. connecting tube; 8. plug-in tube; 9. pressure block; 10. hydraulic telescopic rod 1; 11. pressure sensor; 12. control box; 13. lifting ring; 14. reinforcing rod; 15. fixing plate; 16. bottom rod; 17. fixing block; 18. hydraulic telescopic rod 2; 19. cross bar; 20. moving wheel. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the present invention.

[0032] like Figure 1—5 shows: a device for detecting the bearing capacity of a highway bridge, comprising a hydraulic device 1, wherein connecting rods 2 are symmetrically arranged on both sides of the hydraulic device 1, a vertical rod 3 is arranged on the lower side of one end of the connecting rod 2 which is away from each other, a control box 12 is arranged in the middle of the vertical rod 3 on one side, a support rod 4 is arranged on the lower end of the vertical rod 3, a connecting plate 5 is arranged on the lower output end of the hydraulic device 1, a pressure rod 6 is evenly arranged on the lower end of the connecting plate 5, a connecting tube 7 is rotatably arranged on the lower side of the pressure rod 6, a plug-in tube 8 is arranged on the side of the connecting tube 7, a pressure block 9 is rotatably arranged on the lower side of the plug-in tube 8, a pry bar is plugged into the plug-in tube 8, and then the pry bar drives the connecting tube 7 to rotate The connecting tube 7 is threadedly connected to the pressure rod 6, and the height of the corresponding pressure block 9 is adjusted. The contact between the pressure block 9 and the surface to be tested can be increased or decreased according to the test needs, thereby changing the contact area, so as to facilitate the pressure condition of the highway bridge when testing different contact areas. A pressure sensor 11 is provided at the lower output end of the hydraulic device 1. The lower side of the pressure sensor 11 is connected to the connecting plate 5. A connecting line is provided between the pressure sensor 11 and the control box 12. When the highway bridge is pressure tested, the pressure sensor 11 is provided to accurately monitor the pressure change of the pressure block 9 on the surface to be tested. Notches are provided on both sides of the connecting plate 5. The connecting plate 5 is connected to the vertical pole through the notches. 3 sliding card connection, notches are provided on both sides of the connecting plate 5, and the connecting plate 5 is slidably connected with the vertical rod 3 through the notches, so that the connecting plate 5 can be stably moved up and down. Hydraulic telescopic rods 10 are symmetrically arranged on both sides of the vertical rod 3, and the lower end of the hydraulic telescopic rod 10 is fixedly connected to the support rod 4, and the upper output end of the hydraulic telescopic rod 10 is fixedly connected to the connecting plate 5. Hydraulic telescopic rods 10 are symmetrically arranged on both sides of the vertical rod 3, and the lower end of the hydraulic telescopic rod 10 is fixedly connected to the support rod 4, and the upper output end of the hydraulic telescopic rod 10 is fixedly connected to the connecting plate 5. A hydraulic telescopic rod 10 is arranged, and the output end of the hydraulic telescopic rod 10 pushes the connecting plate 5. It is convenient to save effort when pulling the lower structure at the output end of the hydraulic device 1. A fixed block 17 is provided on the side of the vertical rods 3 that are away from each other. A hydraulic telescopic rod 18 is provided on the lower side of the fixed block 17. A cross bar 19 is provided at the lower output end of the hydraulic telescopic rod 18. Moving wheels 20 are provided at both ends of the cross bar 19. A fixed block 17 is provided on the side of the vertical rods 3 that are away from each other. A hydraulic telescopic rod 18 is provided on the lower side of the fixed block 17. A cross bar 19 is provided at the lower output end of the hydraulic telescopic rod 18. Moving wheels 20 are provided at both ends of the cross bar 19. The output end of the hydraulic telescopic rod 18 pushes the cross bar 19, and the cross bar 19 pushes the moving wheel 20.After the moving wheel 20 contacts the ground, the other structures of the device are supported to facilitate the movement of the device on the highway bridge. A lifting ring 13 is provided on the upper side of the connecting rod 2. A lifting ring 13 is provided on the upper side of the connecting rod 2 to facilitate lifting the device. Reinforcement rods 14 are symmetrically arranged on both sides of the connecting rod 2. A fixing plate 15 is provided at the upper end of the reinforcing rod 14. The fixing plate 15 and the connecting rod 2 are bolted together. A bottom rod 16 is provided at the lower end of the reinforcing rod 14. A fixing hole is provided on the upper side, and reinforcing rods 14 are symmetrically arranged on both sides of the connecting rod 2. A fixing plate 15 is provided on the upper end of the reinforcing rod 14, and the fixing plate 15 and the connecting rod 2 are bolted together. A bottom rod 16 is provided on the lower end of the reinforcing rod 14, and a fixing hole is provided on the upper side of the bottom rod 16. The lower end of the reinforcing rod 14 is integrally connected through the bottom rod 16, and the bottom rod 16 is connected to the fixing bolt through the fixing hole and fixed to the surface of the highway bridge. The reinforcing rod 14 is connected to the connecting rod 2 to increase the stability of the overall structure of the device.

[0033] The working principle and use process of this utility model:

[0034] When in use, the device is placed at the test point, the support rod 4 is placed on the ground to support the hydraulic device 1 through the vertical rod 3 and the connecting rod 2, the output end of the hydraulic device 1 presses down the connecting plate 5, the connecting plate 5 drives the pressure rod 6 to press down the connecting tube 7, the connecting tube 7 presses down the pressure block 9, the pressure block 9 is pressed on the surface to be tested, the pressure is increased by pressing down the output end of the hydraulic device 1, and finally the pressure block 9 acts on the surface to be tested, so as to test the pressure condition of the surface to be tested of the highway bridge under different pressures. In the above test, the pry bar is plugged into the plug-in tube 8, and then the pry bar drives the connecting tube 7 to rotate, the connecting tube 7 is threadedly connected to the pressure rod 6, and the corresponding pressure block 9 is adjusted. The height can be increased or decreased according to the test needs, so as to change the contact area, so as to facilitate the test of the pressure condition of the highway bridge when different contact areas are used. When the highway bridge is subjected to pressure testing, a pressure sensor 11 is provided to facilitate accurate monitoring of the pressure change of the pressure block 9 on the surface to be tested. In addition, slots are provided on both sides of the connecting plate 5, and the connecting plate 5 is slidably connected with the vertical pole 3 through the slots, so as to facilitate the stable up and down movement of the connecting plate 5. In addition, hydraulic telescopic rods 10 are symmetrically provided on both sides of the vertical pole 3, and the lower end of the hydraulic telescopic rod 10 is fixedly connected to the support rod 4, and the upper end of the hydraulic telescopic rod 10 is fixedly connected to the support rod 4. The side output end is fixedly connected to the connecting plate 5, and a hydraulic telescopic rod 10 is provided. The output end of the hydraulic telescopic rod 10 pushes the connecting plate 5, which is convenient for pulling the lower structure at the output end of the hydraulic device 1 with more effort. In addition, a fixed block 17 is provided on the side of the vertical rods 3 away from each other, and a hydraulic telescopic rod 2 18 is provided on the lower side of the fixed block 17. A cross bar 19 is provided at the lower output end of the hydraulic telescopic rod 2 18, and moving wheels 20 are provided at both ends of the cross bar 19. The output end of the hydraulic telescopic rod 2 18 pushes the cross bar 19, and the cross bar 19 pushes the moving wheel 20. After the moving wheel 20 contacts the ground, it props up other structures of the device, which is convenient for the device Move on the highway bridge. In addition, a lifting ring 13 is provided on the upper side of the connecting rod 2 to facilitate lifting the device. In addition, when in use, reinforcing rods 14 are symmetrically arranged on both sides of the connecting rod 2 in parallel. A fixing plate 15 is provided at the upper end of the reinforcing rod 14. The fixing plate 15 and the connecting rod 2 are bolted together. A bottom rod 16 is provided at the lower end of the reinforcing rod 14. A fixing hole is opened on the upper side of the bottom rod 16. The lower end of the reinforcing rod 14 is integrally connected through the bottom rod 16. The bottom rod 16 is connected to the surface of the highway bridge through the fixing bolt connected to the fixing hole. The reinforcing rod 14 is connected to the connecting rod 2 to increase the stability of the overall structure of the device.

[0035] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0036] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.

Claims

1. A highway bridge bearing capacity detection device, characterized in that: The invention comprises a hydraulic device (1), wherein connecting rods (2) are symmetrically arranged on both sides of the hydraulic device (1), a vertical rod (3) is arranged on the lower side of one end of the connecting rod (2) which is away from each other, a control box (12) is arranged in the middle of the vertical rod (3) on one side, a support rod (4) is arranged at the lower end of the vertical rod (3), a connecting plate (5) is arranged at the lower output end of the hydraulic device (1), a pressure rod (6) is evenly arranged at the lower end of the connecting plate (5), a connecting cylinder (7) is rotatably arranged at the lower side of the pressure rod (6), a plug-in cylinder (8) is arranged on the side of the connecting cylinder (7), and a pressure block (9) is rotatably arranged at the lower side of the plug-in cylinder (8).

2. The highway bridge load-bearing capacity detection device according to claim 1 is characterized in that: A pressure sensor (11) is provided at the lower output end of the hydraulic device (1), the lower side of the pressure sensor (11) is connected to the connecting plate (5), and a connecting line is provided between the pressure sensor (11) and the control box (12).

3. The highway bridge load-bearing capacity detection device according to claim 1 is characterized in that: Notches are provided on both sides of the connecting plate (5), and the connecting plate (5) is slidably engaged with the vertical pole (3) through the notches.

4. The highway bridge load-bearing capacity detection device according to claim 1, characterized in that: Hydraulic telescopic rods (10) are symmetrically arranged on both sides of the vertical rod (3); the lower end of the hydraulic telescopic rod (10) is fixedly connected to the support rod (4); and the upper output end of the hydraulic telescopic rod (10) is fixedly connected to the connecting plate (5).

5. The highway bridge load-bearing capacity detection device according to claim 1, characterized in that: A fixed block (17) is provided on the side of the vertical poles (3) that is away from each other, a hydraulic telescopic rod (18) is provided on the lower side of the fixed block (17), a cross bar (19) is provided at the lower output end of the hydraulic telescopic rod (18), and moving wheels (20) are provided at both ends of the cross bar (19).

6. The highway bridge load-bearing capacity detection device according to claim 1, characterized in that: A lifting ring (13) is provided on the upper side of each connecting rod (2).

7. The highway bridge load-bearing capacity detection device according to claim 1 is characterized in that: Reinforcing rods (14) are symmetrically arranged on both sides of the connecting rod (2), a fixing plate (15) is arranged at the upper end of the reinforcing rod (14), the fixing plate (15) and the connecting rod (2) are bolted together, a bottom rod (16) is arranged at the lower end of the reinforcing rod (14), and a fixing hole is opened on the upper side of the bottom rod (16).

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