Three-dimensional deformation test device for hydraulic concrete joint self-bonding type water stop material

Abstract

The utility model discloses a hydraulic concrete joint self-bonding type water stop material three-dimensional deformation test device which comprises a test platform and a tensile machine, the tensile machine is arranged on the test platform, the output end of the tensile machine is downwards connected with an upper clamp, a lower clamp is arranged at the position, corresponding to the upper clamp, of the test platform, and the lower clamp is arranged on the test platform. A test piece is connected between the upper clamp and the lower clamp, an X-direction horizontal push-pull mechanism and a Y-direction horizontal push-pull mechanism are arranged on the test platform, the output end of the X-direction horizontal push-pull mechanism penetrates through the lower clamp and is connected with a first push plate, and the first push plate is located on one side of the horizontal direction of the test piece in the lower clamp and is vertically arranged; the output end of the Y-direction horizontal push-pull mechanism penetrates through the lower clamp and is connected with a second push plate. The three-dimensional deformation test device for the hydraulic concrete joint self-bonding type water-stop material can be used for carrying out a three-dimensional deformation test on the water-stop material, and provides reference for prediction for preventing deformation of a concrete joint.

Description

Technical Field

[0001] This utility model belongs to the field of deformation testing technology, specifically relating to a three-dimensional deformation testing device for self-adhesive water-stopping material for hydraulic concrete joints. Background Technology

[0002] Existing tensile testing machines used for testing concrete joint waterproofing materials can only test the one-dimensional deformation of the waterproofing material. However, actual hydraulic concrete exhibits three-dimensional deformation, which existing equipment cannot measure. Furthermore, there is no direct equipment for testing the three-dimensional deformation of hydraulic concrete. Therefore, there is no intuitive testing equipment or scenario for the three-dimensional deformation of hydraulic concrete waterproofing materials. Summary of the Invention

[0003] The purpose of this invention is to provide a three-dimensional deformation testing device for self-adhesive water-stopping materials for hydraulic concrete joints, in order to solve the above-mentioned problems existing in the prior art.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A three-dimensional deformation testing device for self-adhesive waterproofing material for hydraulic concrete joints includes a testing platform and a tensile testing machine. The tensile testing machine is mounted on the testing platform, and its output end is connected downward to an upper clamp. A lower clamp is positioned on the testing platform corresponding to the upper clamp. A specimen is connected between the upper and lower clamps. The testing platform is equipped with an X-axis horizontal push-pull mechanism and a Y-axis horizontal push-pull mechanism. The output end of the X-axis horizontal push-pull mechanism passes through the lower clamp and is connected to a first push plate, which is located on the horizontal side of the specimen within the lower clamp and is vertically positioned. The output end of the Y-axis horizontal push-pull mechanism passes through the lower clamp and is connected to a second push plate, which is located on the other horizontal side of the specimen within the lower clamp and is perpendicular to the first push plate.

[0006] The working process and principle of the above structure are as follows:

[0007] During the test, the X-axis or Y-axis horizontal push-pull mechanism is first operated to move the first or second push plate, applying a horizontal load pressure to the specimen. The displacement of the X-axis or Y-axis horizontal push-pull mechanism, i.e., the feed amount of the threaded rod, is set. Then, a tensile load is applied in the Z-axis by a tensile testing machine to provide longitudinal tension to the specimen. After resting for one day, the three-dimensional deformation of the specimen is observed. At the same time, variable data are obtained based on the displacement, which facilitates the acquisition of three-dimensional deformation test data and improves the convenience of three-dimensional deformation testing of hydraulic concrete waterstop materials.

[0008] Furthermore, the X-axis horizontal push-pull mechanism includes a first mounting plate vertically arranged on the test platform, at least two first threaded sleeves, and at least two first servo motors, at least two first threaded rods, and at least two first guide rods mounted on the first mounting plate. The two first guide rods are horizontally parallel to each other on the first mounting plate. The two first threaded sleeves are slidably connected to the two first guide rods respectively. The output ends of the two first servo motors are respectively driven to a first threaded rod. The first threaded rods are rotatably connected to the first mounting plate. Each first threaded rod is threadedly connected to a first threaded sleeve. The ends of the two first threaded sleeves away from the first threaded rods are connected to a first push plate. The two first servo motors operate synchronously.

[0009] The Y-axis horizontal push-pull mechanism includes a second mounting plate vertically mounted on the test platform, at least two second threaded sleeves, at least two second servo motors, at least two second threaded rods, and at least two second guide rods mounted on the second mounting plate. The two second guide rods are horizontally parallel to each other on the second mounting plate. The two second threaded sleeves are slidably connected to the two second guide rods respectively. The output ends of the two second servo motors are respectively driven to a second threaded rod. The second threaded rods are rotatably connected to the second mounting plate. Each second threaded rod is threadedly connected to a second threaded sleeve. The ends of the two second threaded sleeves away from the second threaded rods are connected to a second push plate. The two second servo motors operate synchronously.

[0010] When applying X-axis load pressure, two first servo motors operate synchronously, driving two first threaded rods to rotate, thereby providing driving force to the first threaded sleeve. This causes the first threaded sleeve to move horizontally along the first guide rod, which in turn drives the first push plate to provide X-axis pressure to the specimen, providing a variable test environment for the specimen's horizontal deformation, facilitating the observation of the specimen's deformation and data. When applying Y-axis load pressure, two second servo motors operate synchronously, driving two second threaded rods to rotate, thereby providing driving force to the second threaded sleeve. This causes the second threaded sleeve to move horizontally along the second guide rod, which in turn drives the second push plate to provide X-axis pressure to the specimen, providing a variable test environment for the specimen's horizontal deformation, facilitating the observation of the specimen's deformation and data. This provides load application forces in both the X and Y directions, facilitating three-dimensional deformation tests of hydraulic concrete waterstop materials.

[0011] Furthermore, the test platform is equipped with a first scale and a second scale respectively in the displacement directions corresponding to the X-axis horizontal push-pull mechanism and the Y-axis horizontal push-pull mechanism.

[0012] By setting the first and second scales, it is easy to intuitively understand the direct displacement of the first and second threaded sleeves, and compare it with the thread feed to obtain accurate displacement, which facilitates precise control of the applied load force.

[0013] Furthermore, pressure sensors are evenly distributed on the contact surfaces of the first and second push plates with the specimen, and the signal output terminals of the pressure sensors are connected to the signal input terminals of the tensile testing machine.

[0014] The pressure sensor allows for direct monitoring of the pressure values ​​provided by the first and second push plates, facilitating more accurate calculation of deformation and load application.

[0015] Furthermore, both the upper and lower clamps have a U-shaped cross-sectional profile. The opposite surfaces of the upper and lower clamps are provided with connecting openings. The first push plate and the second push plate are disposed inside the lower clamp and are in contact with the surface of the specimen. Both sides of the upper clamp in the through direction are provided with L-shaped slots. There are two slots on each side and they are symmetrically arranged with respect to the center line of the upper clamp. A baffle is provided between the two slots on the same side.

[0016] The upper and lower clamp structures facilitate direct observation of the three-dimensional deformation of the specimen, while also ensuring proper fit with the specimen to prevent it from sliding off. They also help to secure the specimen. The slots and baffles prevent the specimen from moving off the upper clamp when subjected to horizontal forces. The baffles are secured in the slots, allowing for easy removal or installation of the specimen without affecting its assembly or disassembly.

[0017] Beneficial effects: This utility model, during the test, first operates an X-axis or Y-axis horizontal push-pull mechanism, driving the first or second push plate to move, applying a horizontal load pressure to the specimen. The displacement of the X-axis or Y-axis horizontal push-pull mechanism is set, i.e., the feed amount of the threaded rod. Then, a tensile load is applied in the Z-axis by a tensile testing machine to provide longitudinal tension to the specimen. After resting for one day, the three-dimensional deformation of the specimen is observed. At the same time, variable data is obtained based on the displacement, which facilitates the acquisition of three-dimensional deformation test data and improves the convenience of three-dimensional deformation testing of hydraulic concrete waterstop materials. Attached Figure Description

[0018] Figure 1 This is a front view of the overall structure of an embodiment of the present utility model;

[0019] Figure 2 This is a top view of the overall structure of an embodiment of the present utility model;

[0020] Figure 3 This is a side view of the overall structure of an embodiment of the present utility model;

[0021] Figure 4 This is a cross-sectional view of the first push plate in an embodiment of this utility model.

[0022] Reference numerals in the attached drawings: 1. Test platform; 2. Tensile testing machine; 3. Upper clamp; 301. Baffle; 302. Slot; 4. Lower clamp; 5. Specimen; 6. X-axis horizontal push-pull mechanism; 601. First mounting plate; 602. First threaded sleeve; 603. First servo motor; 604. First threaded rod; 605. First guide rod; 7. Y-axis horizontal push-pull mechanism; 701. Second mounting plate; 702. Second threaded sleeve; 703. Second servo motor; 704. Second threaded rod; 705. Second guide rod; 8. First push plate; 9. Second push plate; 10. First scale gauge; 11. Second scale gauge; 12. Pressure sensor; 13. Connection opening. Detailed Implementation

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the present utility model will be briefly introduced below in conjunction with the accompanying drawings and descriptions of the embodiments or the prior art. Obviously, the following description of the structure of the accompanying drawings is only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. It should be noted that the description of these embodiments is used to help understand this utility model, but does not constitute a limitation on this utility model. Example

[0024] like Figures 1-4 As shown, this embodiment provides a three-dimensional deformation test device for self-adhesive waterstop material for hydraulic concrete joints, including a test platform 1 and a tensile testing machine 2. The tensile testing machine 2 is set on the test platform 1, and the output end of the tensile testing machine 2 is connected downward to an upper clamp 3. A lower clamp 4 is set on the test platform 1 at the position corresponding to the upper clamp 3. A specimen 5 is connected between the upper clamp 3 and the lower clamp 4. An X-axis horizontal push-pull mechanism 6 and a Y-axis horizontal push-pull mechanism 7 are set on the test platform 1. The output end of the X-axis horizontal push-pull mechanism 6 passes through the lower clamp 4 and is connected to a first push plate 8. The first push plate 8 is located on the horizontal side of the specimen 5 inside the lower clamp 4 and is set vertically. The output end of the Y-axis horizontal push-pull mechanism 7 passes through the lower clamp 4 and is connected to a second push plate 9. The second push plate 9 is located on the other side of the horizontal direction of the specimen 5 inside the lower clamp 4 and is set perpendicular to the first push plate 8.

[0025] The working process and principle of the above structure are as follows:

[0026] During the test, the X-axis horizontal push-pull mechanism 6 or the Y-axis horizontal push-pull mechanism 7 is operated first, driving the first push plate 8 or the second push plate 9 to move, applying a horizontal load pressure to the specimen 5. The displacement of the X-axis horizontal push-pull mechanism 6 or the Y-axis horizontal push-pull mechanism 7 is set, which is the feed amount of the threaded rod. Then, the tensile tester 2 applies a tensile load in the Z direction to provide longitudinal tensile force to the specimen 5. After waiting for one day, the three-dimensional deformation of the specimen 5 is observed. At the same time, variable data is obtained based on the displacement, which facilitates the acquisition of three-dimensional deformation test data and improves the convenience of three-dimensional deformation testing of hydraulic concrete waterstop materials. Adding the X-axis horizontal push-pull mechanism 6 and the Y-axis horizontal push-pull mechanism 7 to the existing tensile tester 2 increases the testing functionality of the tensile tester 2 and saves production costs.

[0027] In another embodiment of this utility model, such as Figures 1-4 As shown, the X-axis horizontal push-pull mechanism 6 includes a first mounting plate 601 vertically mounted on the test platform 1, two first threaded sleeves 602, two first servo motors 603 mounted on the first mounting plate 601, two first threaded rods 604, and two first guide rods 605. The two first guide rods 605 are horizontally parallel to each other on the first mounting plate 601. The two first threaded sleeves 602 are slidably connected to the two first guide rods 605 respectively. The output ends of the two first servo motors 603 are respectively connected to a first threaded rod 604. The first threaded rods 604 are rotatably connected to the first mounting plate 601. Each first threaded rod 604 is threadedly connected to a first threaded sleeve 602. The ends of the two first threaded sleeves 602 away from the first threaded rods 604 are connected to the first push plate 8. The two first servo motors 603 operate synchronously.

[0028] The Y-axis horizontal push-pull mechanism 7 includes a second mounting plate 701 vertically mounted on the test platform 1, two second threaded sleeves 702, two second servo motors 703 mounted on the second mounting plate 701, at least two second threaded rods 704, and two second guide rods 705. The two second guide rods 705 are horizontally parallel to each other on the second mounting plate 701. The two second threaded sleeves 702 are slidably connected to the two second guide rods 705 respectively. The output ends of the two second servo motors 703 are respectively connected to a second threaded rod 704. The second threaded rods 704 are rotatably connected to the second mounting plate 701. Each second threaded rod 704 is threadedly connected to a second threaded sleeve 702. The ends of the two second threaded sleeves 702 away from the second threaded rods 704 are connected to the second push plate 9. The two second servo motors 703 operate synchronously.

[0029] The first threaded sleeve 602 is a cylinder with open ends and internal threads. A connecting lug for connecting to the first guide rod 605 is formed on the outer wall of the first threaded sleeve 602. A sliding hole is provided on the connecting lug to facilitate engagement with the first guide rod 605. The structures of the first threaded sleeve 602 and the second threaded sleeve 702 are identical. The first push plate 8 is fixedly connected to one end of the first threaded sleeve 602, facilitating the movement of the first push plate 8 driven by the first threaded sleeve 602. The connection method between the second push plate 9 and the second threaded sleeve 702 is also similar.

[0030] When applying X-axis load pressure, two first servo motors 603 operate synchronously, driving two first threaded rods 604 to rotate, thereby providing driving force to the first threaded sleeve 602. This causes the first threaded sleeve 602 to move horizontally along the first guide rod 605, which in turn drives the first push plate 8 to provide X-axis pressure to the specimen 5, providing a variable test environment for the horizontal deformation of the specimen 5, facilitating the observation of the deformation and deformation data of the specimen 5. When applying Y-axis load pressure, two second servo motors 703 operate synchronously, driving two second threaded rods 704 to rotate, thereby providing driving force to the second threaded sleeve 702. This causes the second threaded sleeve 702 to move horizontally along the second guide rod 705, which in turn drives the second push plate 9 to provide X-axis pressure to the specimen 5, providing a variable test environment for the horizontal deformation of the specimen 5, facilitating the observation of the deformation and deformation data of the specimen 5. Thus, X-axis and Y-axis load application forces are provided, facilitating three-dimensional deformation tests of hydraulic concrete waterstop materials.

[0031] In another embodiment of this utility model, such as Figure 2 As shown, the test platform 1 is equipped with a first scale 10 and a second scale 11 respectively, corresponding to the displacement directions of the X-axis horizontal push-pull mechanism 6 and the Y-axis horizontal push-pull mechanism 7.

[0032] By setting the first scale 10 and the second scale 11, it is easy to intuitively understand the direct displacement of the first threaded sleeve 602 and the second threaded sleeve 702, and compare it with the thread feed to obtain the accurate displacement, which facilitates precise control of the applied load force.

[0033] In another embodiment of this utility model, such as Figure 4 As shown, pressure sensors 12 are evenly distributed on the contact surfaces of the first push plate 8 and the second push plate 9 with the specimen 5, and the signal output terminal of the pressure sensor 12 is connected to the signal input terminal of the tensile testing machine 2.

[0034] The pressure sensor 12 is set up to facilitate direct monitoring of the pressure values ​​provided by the first push plate 8 and the second push plate 9, which facilitates more accurate calculation of deformation and load application, and cross-comparison with the thread feed amount, making the test results more accurate.

[0035] In another embodiment of this utility model, such as Figure 1 As shown, both the upper clamp 3 and the lower clamp 4 have a U-shaped cross-sectional profile. Connecting openings 13 are provided on the opposite surfaces of both clamps. The first push plate 8 and the second push plate 9 are disposed within the lower clamp 4 and are in contact with the surface of the specimen 5. L-shaped slots 302 are provided on both sides of the upper clamp 3 along its through-path. Two slots 302 are provided on each side and are symmetrically arranged relative to the centerline of the upper clamp 3. A baffle 301 is engaged between the two slots 302 on the same side.

[0036] The upper clamp 3 and lower clamp 4 structure facilitates direct observation of the three-dimensional deformation of the specimen 5, and also facilitates cooperation with the specimen 5 to prevent the specimen 5 from sliding off. It also facilitates fixing the specimen 5. The slot 302 and baffle 301 can prevent the specimen from moving off the upper clamp 3 when it is subjected to horizontal force. The baffle 301 is locked in the slot 302, which can facilitate the disassembly and assembly of the specimen without affecting the disassembly and assembly. The baffle 301 can be removed or installed before and after disassembly and assembly of the specimen.

[0037] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A three-dimensional deformation testing device for self-adhesive waterproofing material in hydraulic concrete joints, characterized in that, The test includes a testing platform and a tensile testing machine. The tensile testing machine is mounted on the testing platform, and its output end is connected downward to an upper clamp. A lower clamp is positioned on the testing platform corresponding to the upper clamp. A specimen is connected between the upper and lower clamps. The testing platform is equipped with an X-axis horizontal push-pull mechanism and a Y-axis horizontal push-pull mechanism. The output end of the X-axis horizontal push-pull mechanism passes through the lower clamp and is connected to a first push plate. The first push plate is located on the horizontal side of the specimen within the lower clamp and is vertically positioned. The output end of the Y-axis horizontal push-pull mechanism passes through the lower clamp and is connected to a second push plate. The second push plate is located on the horizontal side of the specimen within the lower clamp and is perpendicular to the first push plate.

2. The three-dimensional deformation test device for self-adhesive water-stopping material of hydraulic concrete joints according to claim 1, characterized in that, The X-axis horizontal push-pull mechanism includes a first mounting plate vertically arranged on the test platform, at least two first threaded sleeves, at least two first servo motors, at least two first threaded rods, and at least two first guide rods mounted on the first mounting plate. The two first guide rods are horizontally parallel to each other on the first mounting plate. The two first threaded sleeves are slidably connected to the two first guide rods respectively. The output ends of the two first servo motors are respectively driven to a first threaded rod. The first threaded rods are rotatably connected to the first mounting plate. Each first threaded rod is threadedly connected to a first threaded sleeve. The ends of the two first threaded sleeves away from the first threaded rods are connected to a first push plate. The two first servo motors operate synchronously. The Y-axis horizontal push-pull mechanism includes a second mounting plate vertically mounted on the test platform, at least two second threaded sleeves, at least two second servo motors, at least two second threaded rods, and at least two second guide rods mounted on the second mounting plate. The two second guide rods are horizontally parallel to each other on the second mounting plate. The two second threaded sleeves are slidably connected to the two second guide rods respectively. The output ends of the two second servo motors are respectively driven to a second threaded rod. The second threaded rods are rotatably connected to the second mounting plate. Each second threaded rod is threadedly connected to a second threaded sleeve. The ends of the two second threaded sleeves away from the second threaded rods are connected to a second push plate. The two second servo motors operate synchronously.

3. The three-dimensional deformation test device for self-adhesive water-stopping material of hydraulic concrete joints according to claim 2, characterized in that, The test platform is equipped with a first scale and a second scale, respectively, corresponding to the displacement directions of the X-axis horizontal push-pull mechanism and the Y-axis horizontal push-pull mechanism.

4. The three-dimensional deformation test device for self-adhesive water-stopping material of hydraulic concrete joints according to claim 3, characterized in that, Pressure sensors are evenly distributed on the contact surfaces of the first and second push plates and the specimen, and the signal output terminals of the pressure sensors are connected to the signal input terminals of the tensile testing machine.

5. The three-dimensional deformation test device for self-adhesive water-stopping material of hydraulic concrete joints according to claim 3, characterized in that, Both the upper and lower clamps have a U-shaped cross-sectional profile. The opposite surfaces of the upper and lower clamps are provided with connecting openings. The first push plate and the second push plate are disposed in the lower clamp and are in contact with the surface of the specimen. Both sides of the upper clamp in the through direction are provided with L-shaped slots. There are two slots on each side and they are symmetrically arranged with respect to the center line of the upper clamp. A baffle is provided between the two slots on the same side.

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