Strength testing device for bridge detection

Abstract

The utility model relates to the technical field of bridge detection, in particular to a strength testing device for bridge detection, which comprises a water storage tank, two opposite side ends of the water storage tank are provided with two turnover mechanisms, a pressure mechanism is connected between the two turnover mechanisms, and the pressure mechanism is arranged in the water storage tank through a supporting frame provided by the turnover mechanisms; the water storage tank is used for storing water to simulate a river, the two turnover mechanisms are used for simulating support for erecting a bridge, and the concrete block arranged at the lower end of the pressure mechanism can be in contact with water flow scouring so as to test the stress strength of the concrete block in a water flow scouring state, so that the test effect of the bridge formed by concrete is improved; and the use safety of the bridge is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge detection, and particularly relates to a strength testing device for bridge detection. Background Art

[0002] A bridge generally refers to a structure erected over a river to enable vehicles, pedestrians, etc. to pass smoothly. As one of the most important materials for bridge construction, concrete plays an irreplaceable role. During the process of bridge detection, a concrete strength testing device is required to determine whether the concrete is qualified.

[0003] The publicly disclosed Chinese patent with the publication number CN219870765U discloses a concrete strength testing device for bridge detection, including a testing device which comprises a box body, a box door, a connecting spring, a chassis, an installation box, a control switch, a camera, a hydraulic cylinder, a pressing plate and a fixing port. Support legs are installed at the bottom of the box body, the box door is installed on the front surface of the box body, the chassis is installed on the inner wall of the top surface of the box body, the installation box is fixedly installed at the middle end of the bottom surface of the box body, the control switch is installed on the side surface of the box body, the camera is installed on the inner wall of the side surface of the box body, the hydraulic cylinder is installed on the top of the box body, the output end of the hydraulic cylinder is fixedly installed with the pressing plate, and a fixing port is formed on the top surface of the chassis.

[0004] During the actual use of the bridge, it will be exposed to water flow scouring. The testing device disclosed in the above patent cannot simulate the actual use environment of the bridge, and the authenticity of the test is poor, thus affecting the test effect of the bridge strength. Summary of the Utility Model

[0005] In view of the above-mentioned disadvantages of the prior art, the purpose of the present utility model is to provide a strength testing device for bridge detection, which is used to solve the problem that the testing device adopted in the prior art cannot simulate the actual use environment of the bridge.

[0006] To achieve the above purpose and other related purposes, the present utility model provides a strength testing device for bridge detection, including a water storage tank. Two flipping mechanisms are provided on the opposite two side ends of the water storage tank. A pressure mechanism is connected between the two flipping mechanisms, and the pressure mechanism is supported in the water storage tank through the flipping mechanisms.

[0007] Mounting seats are provided on the opposite two side ends of the water storage tank.

[0008] The flipping mechanism includes:

[0009] A driving cylinder, which is installed at the lower end of the mounting seat;

[0010] A first bracket, which is provided at the upper end of the mounting seat; A rack that can move up and down and a gear that can rotate are simultaneously installed on the first bracket. The gear is meshed with the rack, and the lower end of the rack is connected to the output end of the driving cylinder.

[0011] The second bracket is provided at the upper end of the mounting base; a rotatable support rod is inserted through the second bracket, and one end of the support rod is connected to the side end of the gear;

[0012] The pressure mechanism includes: a machine base, and the machine base is connected to the other end of the support rod;

[0013] A pressure cylinder is provided at the upper end of the machine base, a pressure sensor is provided at the shaft end of the pressure cylinder, and a pressing block is provided at the output end;

[0014] A column is inserted through the edge of the machine base, a base is connected to the lower end of the column, a concrete block is placed on the base, and the pressing block can move up and down to press against the concrete block.

[0015] In an embodiment of the present invention, a drain pipe penetrating through to the inside is provided at the side end near the bottom of the water storage tank, and a switch valve is provided on the drain pipe.

[0016] In an embodiment of the present invention, a slope is provided on the bottom surface inside the water storage tank, and the lower end of the slope is connected to the input end of the drain pipe.

[0017] In an embodiment of the present invention, a separable mesh plate is provided in the water storage tank for filtering the fragments after the concrete block is crushed under pressure.

[0018] In an embodiment of the present invention, a guide plate is further provided at the output end of the pressure cylinder, the guide plate is provided at the upper end of the pressing block, and the edge of the guide plate is slidably sleeved on the column.

[0019] In an embodiment of the present invention, a circumferentially enclosing positioning frame is provided in the area where the concrete block is placed on the upper end of the base, and the height of the positioning frame is not greater than one-third of the height of the concrete block.

[0020] As described above, the strength testing device for bridge detection of the present invention has the following beneficial effects:

[0021] 1. By setting the water storage tank, it is possible to simulate the river environment by storing water in the water storage tank, improving the authenticity of the test; the slope provided at the bottom of the water storage tank can utilize the inclined gradient to guide the water flow out when draining water after the test; the setting of the mesh plate in the water storage tank can filter out the larger particle fragments after the concrete block is crushed under pressure, and the mesh plate can be independently taken out, facilitating the cleaning of the concrete fragments, avoiding the accumulation and blockage of the larger particle fragments at the input end of the drain pipe, and improving the drainage effect;

[0022] 2. By arranging turning mechanisms on both sides of the water storage tank and erecting a pressure mechanism through the turning mechanisms, the turning mechanisms can simulate the supports at both ends of a bridge, enabling the concrete blocks placed at the lower end of the pressure mechanism to be suspended in the water flow to simulate the bridge being scoured by river water. The pressure mechanism simultaneously applies pressure to the concrete blocks to test the stress strength of the concrete blocks scoured by the water flow, improving the authenticity of the concrete block strength test, and further improving the test effect of the bridge strength; the turning mechanisms can change the position where the concrete blocks are scoured by the river water by turning a certain angle, further improving the authenticity of the test; and the turning mechanisms can be turned after the test is completed to clean up the concrete debris remaining at the lower end of the pressure mechanism; the setting of the positioning frame at the lower end of the pressure mechanism can prevent the concrete blocks that have not been pressed from falling during turning;

[0023] 3. The utility model uses the water storage tank to store water to simulate a river, and uses two turning mechanisms to simulate the supports for erecting a bridge. The concrete blocks placed at the lower end of the pressure mechanism can be in contact with the water flow scouring to test the stress strength of the concrete blocks under the water flow scouring state, thereby improving the test effect of the bridge composed of concrete and enhancing the safety of bridge use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It shows a schematic diagram of the overall structure of the strength test device for bridge detection disclosed by the utility model.

[0025] Figure 2 It shows a schematic diagram of the structure of the strength test device for bridge detection disclosed by the utility model with the water storage tank removed.

[0026] Figure 3 It shows a schematic cross-sectional structure diagram of the water storage tank of the strength test device for bridge detection disclosed by the utility model.

[0027] Description of Component Labels

[0028] Water storage tank 1; mounting seat 11; drain pipe 12; slope 13; turning mechanism 2; driving cylinder 21; first bracket 22; rack 23; gear 24; second bracket 25; support rod 26; pressure mechanism 3; machine base 31; pressure cylinder 32; pressure sensor 33; pressing block 34; guide plate 35; column 36; base 37; positioning frame 38; mesh plate 4. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] The following specific embodiments illustrate the implementation manners of the utility model. Those familiar with this technology can easily understand other advantages and effects of the utility model from the content disclosed in this specification.

[0030] Please refer to Figures 1 to 3It should be noted that the structures, proportions, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those who are familiar with this technology to understand and read, and are not used to limit the limiting conditions under which the present utility model can be implemented. Therefore, they do not have substantial technical significance. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope that can be covered by the technical content disclosed in the present utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle", and "one" cited in this specification are only for the convenience of clear narration and are not used to limit the scope of implementation of the present utility model. The change or adjustment of their relative relationships, without substantial change in the technical content, should also be regarded as the scope within which the present utility model can be implemented.

[0031] Please refer to Figures 1-3 , the present utility model provides a strength testing device for bridge detection, including a water storage tank 1. Two flipping mechanisms 2 are provided on the opposite two side ends of the water storage tank 1. A pressure mechanism 3 is connected between the two flipping mechanisms 2. The pressure mechanism 3 is supported in the water storage tank 1 by the flipping mechanism 2 to provide a support.

[0032] Mounting seats 11 are provided on the opposite two side ends of the water storage tank 1; a drain pipe 12 penetrating to the inside is provided on the side end of the water storage tank 1 near the bottom, and a switch valve is provided on the drain pipe 12; a slope 13 is provided on the inner bottom surface of the water storage tank 1, and the lower end of the slope 13 is connected to the input end of the drain pipe 12. A separable mesh plate 4 is provided in the water storage tank 1 for filtering the fragments after the concrete block is crushed under pressure. The setting of the water storage tank 1 can simulate the river environment by storing water and improve the authenticity of the test; the slope 13 provided at the bottom of the water storage tank 1 can guide the water flow to drain by using the inclined slope when draining water after the test; the setting of the mesh plate 4 in the water storage tank 1 can filter out the larger particle fragments after the concrete block is crushed under pressure. The mesh plate 4 can be taken out independently, which is convenient for cleaning the concrete fragments, avoiding the accumulation and blockage of the larger particle fragments at the input end of the drain pipe 12, and improving the drainage effect.

[0033] The flipping mechanism 2 includes: a driving cylinder 21 installed at the lower end of the mounting base 11; a first bracket 22 provided at the upper end of the mounting base 11; a rack 23 that can move up and down and a gear 24 that can rotate are both installed on the first bracket 22. The gear 24 is meshed with the rack 23, and the lower end of the rack 23 is connected to the output end of the driving cylinder 21; a second bracket 25 is provided at the upper end of the mounting base 11; a rotatable support rod 26 is inserted through the second bracket 25, and one end of the support rod 26 is connected to the side end of the gear 24; the driving cylinder 21 provides power to drive the rack 23 to move up and down, causing the gear 24 meshed with the rack 23 to rotate, driving the support rod 26 to rotate, and further driving the pressure mechanism 3 to flip. The pressure mechanism 3 includes: a machine base 31 connected to the other end of the support rod 26; a pressure cylinder 32 is provided at the upper end of the machine base 31. A pressure sensor 33 is provided at the shaft end of the pressure cylinder 32, and a pressure block 34 and a guide plate 35 are provided at the output end at the same time. The guide plate 35 is located above the pressure block 34; a column 36 is inserted through the edge of the machine base 31, and the edge of the guide plate 35 is slidably sleeved on the column 36, which can provide guidance for the downward pressing movement of the pressure block 34; a base 37 is connected to the lower end of the column 36, and a concrete block is placed on the base 37. The pressure cylinder 32 provides power to drive the pressure block 34 to press against the concrete block, and at the same time, the pressure value is monitored by the pressure sensor 33. In the present invention, the flipping mechanism 2 is provided on both sides of the water storage tank 1 and the pressure mechanism 3 is erected through the flipping mechanism 2. The flipping mechanism 2 can simulate the supports at both ends of the bridge, so that the concrete block placed at the lower end of the pressure mechanism 3 can be suspended in the water flow to simulate the bridge being scoured by the river water. The pressure mechanism 3 simultaneously applies pressure to the concrete block to test the stress strength of the concrete block scoured by the water flow, improving the authenticity effect of the concrete block strength test, and further improving the test effect of the bridge strength; the flipping mechanism 2 can change the position where the concrete block is scoured by the river water by flipping a certain angle, further improving the authenticity effect of the test; and the flipping mechanism 2 can be flipped after the test is completed to clean the concrete debris remaining at the lower end of the pressure mechanism 3. A circumferentially enclosed positioning frame 38 is provided in the area where the concrete block is placed on the upper end of the base 37. The height of the positioning frame 38 is not greater than one-third of the height of the concrete block. The setting of the positioning frame 38 can prevent the non-pressed concrete block from falling during flipping, and at the same time does not affect the pressure mechanism 3 from applying pressure to the concrete block.

[0034] In summary, the present invention uses the water storage tank 1 to store water to simulate a river, and uses two flipping mechanisms 2 to simulate the supports for erecting a bridge. The concrete block placed at the lower end of the pressure mechanism 3 can be in contact with the water flow scouring to test the stress strength of the concrete block under the water flow scouring state, thereby improving the test effect of the bridge composed of concrete and improving the safety of bridge use. Therefore, the present invention effectively overcomes various disadvantages in the prior art and has high industrial utilization value.

[0035] The above embodiments are only illustrative of the principles and effects of the present utility model, and are not intended to limit the present utility model. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present utility model. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the present utility model should still be covered by the claims of the present utility model.

Claims

1. A strength testing device for bridge inspection, characterized in that: It includes a water tank, two flipping mechanisms are provided on opposite sides of the water tank, a pressure mechanism is connected between the two flipping mechanisms, and the pressure mechanism is supported and erected in the water tank by the flipping mechanism; Mounting seats are provided on two opposite ends of the water storage tank; The flipping mechanism comprises: A driving cylinder is installed at the lower end of the mounting seat; A first bracket, the first bracket is arranged at the upper end of the mounting seat; the first bracket is provided with a movable rack that can be raised and lowered and a movable gear that can be rotated, the gear is meshed with the rack, and the lower end of the rack is connected to the output end of the driving cylinder; A second bracket, which is arranged at the upper end of the mounting seat; a rotatable support rod is passed through the second bracket, and one end of the support rod is connected to the side end of the gear; The pressure mechanism comprises: a machine base connected to the other end of the support rod; A pressure cylinder is provided at the upper end of the machine base, a pressure sensor is provided at the shaft end of the pressure cylinder, and a pressure block is provided at the output end; The edge of the machine base is connected with a column, the lower end of the column is connected with a base, the concrete block is placed on the base, and the pressing block can be lifted and lowered to perform pressing and contacting activities on the concrete block.

2. The strength testing device for bridge inspection according to claim 1 is characterized in that: A drainage pipe penetrating into the interior is arranged at the side end of the water storage tank close to the bottom, and a switch valve is arranged on the drainage pipe.

3. The strength testing device for bridge inspection according to claim 2 is characterized in that: The bottom surface inside the water storage tank is provided with a slope, and the lower end of the slope is connected to the input end of the drainage pipe.

4. The strength testing device for bridge inspection according to claim 1 is characterized in that: The water storage tank is provided with a detachable mesh plate for filtering the crushed concrete blocks after being compressed.

5. The strength testing device for bridge inspection according to claim 1 is characterized in that: A guide plate is also provided on the output end of the pressure cylinder. The guide plate is arranged on the upper end of the pressing block, and the edge of the guide plate is slidably sleeved on the column.

6. The strength testing device for bridge inspection according to claim 1, characterized in that: The area on the upper end of the base where the concrete block is placed is provided with a circumferentially enclosed positioning frame, and the height of the positioning frame is not greater than one third of the height of the concrete block.

Images