Guardrail horizontal load resistance performance detection equipment

Abstract

The invention relates to the technical field of guardrail performance detection, in particular to guardrail horizontal load resistance performance detection equipment, which comprises a bracket, a horizontal load resistance performance detection device and a horizontal load resistance performance detection device, and is characterized in that the surface of the bracket is provided with an adjusting rod; an adjusting groove is formed in the surface of the moving plate, a sliding block is arranged in the adjusting groove, a first telescopic rod is arranged at the end of the sliding block, a stress plate is arranged at the end of the first telescopic rod, an L-shaped rod is arranged on the surface of the first telescopic rod, a hollow pipe is arranged at the end of the L-shaped rod, an inserting rod is arranged at the end of the hollow pipe, and a limiting block is arranged at the end of the inserting rod; the open groove is formed in the surface of the movable plate; the device has the beneficial effects that a stress plate is pushed in the direction of a sliding block, a first telescopic rod is inserted into the sliding block, a first spring is compressed, and an inner spring of a hollow pipe pulls an insertion rod, so that a limiting block abuts against the surface of an open groove, and when an L-shaped rod moves along with the first telescopic rod, the first telescopic rod is inserted into the sliding block; and the spring in the hollow pipe does not apply tension any more.

Description

Technical Field

[0001] The present invention relates to the technical field of guardrail performance detection, and in particular to a device for detecting the horizontal load resistance performance of a guardrail. Background Art

[0002] The technical specifications for testing the horizontal repeated load resistance of building railings are based on Appendix B of the "Guardrail Technical Standard" JGJT470-2019 or Appendix B of the "Building Guardrail Technical Standard" DBJ50-T-123-2020. However, the existing specifications only provide theoretical methods and procedures, and in actual operation, the testing unit needs to find or set up simple temporary testing devices, equipment, or test benches on site; In the prior art, when testing the horizontal load resistance of a railing, a supporting structure is placed on the surface of the railing and a cylinder is used to push the supporting structure. By changing the force of the cylinder, the horizontal load resistance of the railing is tested. However, since the position of the supporting structure needs to be changed when the railing is supported, when the supporting structure changes position, the position of the supporting structure needs to be fixed and then pushed by the cylinder, resulting in repeated adjustment of the position of the supporting structure, which affects the efficiency of the operation. Summary of the Invention

[0003] The purpose of the present invention is to provide a device for testing the horizontal load resistance performance of a guardrail to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a device for testing the horizontal load resistance performance of a guardrail, comprising: The bracket has an adjustment rod on its surface; A movable plate, wherein an adjustment groove is provided on the surface of the movable plate, a slider is provided in the adjustment groove, a first telescopic rod is provided at the end of the slider, a force-bearing plate is provided at the end of the first telescopic rod, an L-shaped rod is provided on the surface of the first telescopic rod, a hollow tube is provided at the end of the L-shaped rod, a plug rod is provided at the end of the hollow tube, and a limit block is provided at the end of the plug rod; and The grooves are provided on the surface of the movable plate.

[0005] Preferably, a fixing hole is opened on the surface of the bracket, a screw is fixed in the fixing hole and the surface of the adjusting rod, the adjusting rod is fixed to the surface of the bracket, a limiting rod is inserted into the surface of the adjusting rod, a cylinder is fixed on the surface of the adjusting rod, the cylinder is connected to the piston rod, the cylinder drives the piston rod to move, the limiting rod is fixed on the surface of the movable plate, and the limiting rod can move inside the adjusting rod.

[0006] Preferably, the surface of the slot close to the slider is provided with teeth, and the side of the limit block close to the slider is provided with teeth. When the limit block is held on the surface of the slot, the teeth on the surface of the limit block engage with the teeth on the surface of the slot. The slider is inserted in the adjustment slot, and the slider can move in the adjustment slot. A through slot is provided on the surface of the slider, and a holding plate is inserted in the through slot. The holding plate can move in the through slot. The surface of the holding plate close to the movable plate is provided with teeth, and the surface of the through slot close to the movable plate is provided with teeth. When the holding plate is held on the surface of the through slot, the teeth on the surface of the holding plate engage with the teeth on the surface of the through slot.

[0007] Preferably, the first telescopic rod is inserted into the interior of the slider, and one end of the first telescopic rod located inside the slider can move inside the slider. The force-bearing plate moves with the first telescopic rod. A first spring is provided on the surface of the force-bearing plate. Two groups of first springs are provided, and the other end of the first spring is connected to the surface of the slider.

[0008] Preferably, a supporting plate is fixed on the surface of the first telescopic rod, and the supporting plate moves with the first telescopic rod. After the supporting plate moves toward the direction of the slider, it is supported on the surface of the slider. The L-shaped rod is fixed on the surface of the first telescopic rod, and the L-shaped rod moves with the first telescopic rod. A hollow tube is fixed on the end of the L-shaped rod, and the connecting rod is inserted into the inside of the hollow tube. A spring is provided inside the hollow tube, and the spring pulls the connecting rod toward the direction of the hollow tube.

[0009] Preferably, a connecting block is fixed to the surface of the top holding plate, an extension rod is fixed to the surface of the connecting block, a second telescopic rod is inserted into the end of the extension rod, one end of the second telescopic rod is located inside the extension rod and can move inside the extension rod, a spring is provided inside the extension rod, the spring connects the inside of the extension rod and the end of the second telescopic rod, a sleeve ring is fixed to the other end of the second telescopic rod, the sleeve ring moves with the second telescopic rod, a screw is screwed to the surface of the top holding plate, and the end of the screw is screwed to the surface of the movable plate.

[0010] Preferably, the surface of the holding plate is connected to a second spring, the other end of the second spring is connected to the surface of the movable plate, and the second spring has a thrust on the holding plate, so that the holding plate is away from the surface of the movable plate.

[0011] Preferably, the sleeve ring can be sleeved on the surface of the screw after moving. When the screw is screwed into the interior of the movable plate, the end of the screw is supported on the surface of the sleeve ring. The sleeve ring moves after being pushed, and the sleeve ring drives the second telescopic rod to move.

[0012] Preferably, a railing is provided on one side of the bracket, the force-bearing plates are supported on the surface of the railing, and two groups of force-bearing plates are supported on the surface of the railing at the same time.

[0013] Preferably, a fixing hole is provided at the bottom of the bracket, and a screw is screwed into the fixing hole to fix the bracket on the ground.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The present invention proposes to push the force plate toward the direction of the slider, the first telescopic rod is inserted into the interior of the slider, the first spring is compressed, and the internal spring of the hollow tube pulls the plug rod, so that the limit block is held on the surface of the slot. When the L-shaped rod moves with the first telescopic rod until the spring inside the hollow tube no longer applies tension, the plug rod moves with the first telescopic rod, the limit block is no longer held on the surface of the slot, and the teeth on the surface of the limit block are no longer held on the teeth on the surface of the slot. The slider can move in the adjustment slot, adjust the position of the slider, and realize the adjustment of the position of the force plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0016] Figure 2 This is a structural schematic diagram from another perspective of the present invention.

[0017] Figure 3 This is a schematic diagram of the movable plate structure of the present invention.

[0018] Figure 4 This is a structural schematic diagram of the movable plate of the present invention from another perspective.

[0019] Figure 5 for Figure 3 A magnified schematic diagram of the structure in the middle.

[0020] Figure 6 This is a structural diagram of the slider of the present invention.

[0021] Figure 7 This is a schematic diagram of the extension rod structure of the present invention.

[0022] In the figure: bracket 1, fixing hole 2, adjusting rod 3, limiting rod 4, cylinder 5, piston rod 6, slot 7, movable plate 8, limiting block 9, through slot 10, adjusting slot 11, holding plate 12, extension rod 13, connecting block 14, slider 15, holding plate 16, first spring 17, force plate 18, first telescopic rod 19, L-shaped rod 20, hollow tube 21, connecting rod 22, second spring 23, second telescopic rod 24, sleeve ring 25, screw 26. DETAILED DESCRIPTION

[0023] In order to clearly and completely describe the objectives and technical solutions of the present invention and make the advantages more clearly understood, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention, not to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figures 1 to 7 , the present invention provides a technical solution: Embodiment 1: A device for testing the horizontal load resistance performance of a guardrail, comprising: a bracket 1, an adjusting rod 3 is provided on the surface of the bracket 1; a movable plate 8, an adjusting groove 11 is provided on the surface of the movable plate 8, a slider 15 is provided in the adjusting groove 11, a first telescopic rod 19 is provided at the end of the slider 15, a force-bearing plate 18 is provided at the end of the first telescopic rod 19, an L-shaped rod 20 is provided on the surface of the first telescopic rod 19, a hollow tube 21 is provided at the end of the L-shaped rod 20, a plug-in rod 22 is provided at the end of the hollow tube 21, a limit block 9 is provided at the end of the plug-in rod 22; and a slot 7 is provided on the surface of the movable plate 8, the plug-in rod 22 moves with the first telescopic rod 19, the limit block 9 no longer presses against the surface of the slot 7, the teeth on the surface of the limit block 9 no longer press against the teeth on the surface of the slot 7, the slider 15 can move in the adjusting groove 11, adjust the position of the slider 15, and realize the adjustment of the position of the force-bearing plate 18; Example 2: A fixing hole 2 is provided on the surface of the bracket 1, and a screw is fixed in the fixing hole 2 and the surface of the adjusting rod 3 to fix the adjusting rod 3 on the surface of the bracket 1. A limit rod 4 is inserted on the surface of the adjusting rod 3, and a cylinder 5 is fixed on the surface of the adjusting rod 3. The cylinder 5 is connected to the piston rod 6, and the cylinder 5 drives the piston rod 6 to move. The limit rod 4 is fixed on the surface of the movable plate 8, and the limit rod 4 can move inside the adjusting rod 3. A railing is provided on one side of the bracket 1, and the force plate 18 is supported on the surface of the railing. Two groups of force plates 18 are supported on the surface of the railing at the same time. A fixing hole is provided at the bottom of the bracket 1, and a screw is screwed in the fixing hole to fix the bracket 1 on the ground. The holding plate 16 is supported on the surface of the slider 15 so that the force plate 18 is supported on the surface of the railing to realize the detection of the railing's resistance to horizontal loads. When the position of the force plate 18 needs to be replaced, the force plate 18 is pushed toward the direction of the slider 15 so that the first telescopic rod 19 is inserted into the interior of the slider 15. The surface of the slot 7 close to the slider 15 is provided with teeth, and the side of the limit block 9 close to the slider 15 is provided with teeth. When the limit block 9 is held on the surface of the slot 7, the teeth on the surface of the limit block 9 are engaged with the teeth on the surface of the slot 7. The slider 15 is inserted in the adjustment slot 11, and the slider 15 can move in the adjustment slot 11. A through slot 10 is provided on the surface of the slider 15, and a top holding plate 12 is inserted in the through slot 10. The top holding plate 12 can move in the through slot 10. The surface of the top holding plate 12 close to the moving plate 8 is provided with teeth, and the surface of the through slot 10 close to the moving plate 8 is provided with teeth. When the top holding plate 12 is held on the surface of the through slot 10, the top holding plate The teeth on the surface of 12 are engaged with the teeth on the surface of the through groove 10. The surface of the supporting plate 12 is connected to a second spring 23. The other end of the second spring 23 is connected to the surface of the movable plate 8. The second spring 23 has a thrust on the supporting plate 12, so that the supporting plate 12 is away from the surface of the movable plate 8. The screw 26 is supported on the surface of the supporting plate 12, so that the supporting plate 12 moves in the through groove 10. The supporting plate 12 is supported on the surface of the through groove 10. The side of the supporting plate 12 close to the movable plate 8 is provided with teeth, and the side of the through groove 10 close to the movable plate 8 is provided with teeth. The teeth on the surface of the supporting plate 12 are engaged with the teeth on the surface of the through groove 10 to fix the position of the slider 15.

[0025] The first telescopic rod 19 is inserted into the interior of the slider 15, and one end of the first telescopic rod 19 located inside the slider 15 can move inside the slider 15. The force plate 18 moves with the first telescopic rod 19, and a first spring 17 is provided on the surface of the force plate 18. Two groups of first springs 17 are provided. The other end of the first spring 17 is connected to the surface of the slider 15. A top holding plate 16 is fixed to the surface of the first telescopic rod 19, and the top holding plate 16 moves with the first telescopic rod 19. After the top holding plate 16 moves in the direction of the slider 15, it is held on the surface of the slider 15. The L-shaped rod 20 is fixed on the surface of the first telescopic rod 19, and the L-shaped rod 20 moves with the first telescopic rod 19. A hollow tube 21 is fixed to the end of the L-shaped rod 20, and a connecting rod 22 is inserted into the interior of the hollow tube 21. A spring is provided inside the hollow tube 21, and the spring pulls the connecting rod 22 toward the hollow tube 21. In direction, a connecting block 14 is fixed to the surface of the top holding plate 16, and an extension rod 13 is fixed to the surface of the connecting block 14. The end of the extension rod 13 is connected with the second telescopic rod 24. One end of the second telescopic rod 24 is located inside the extension rod 13 and can move inside the extension rod 13. A spring is provided inside the extension rod 13, and the spring connects the inside of the extension rod 13 and the end of the second telescopic rod 24. A sleeve ring 25 is fixed to the other end of the second telescopic rod 24, and the sleeve ring 25 moves with the second telescopic rod 24. A screw 26 is screwed on the surface of the top holding plate 12, and the end of the screw 26 is screwed on the surface of the movable plate 8. After moving, the sleeve ring 25 can be sleeved on the surface of the screw 26. When the screw 26 is screwed into the interior of the movable plate 8, the end of the screw 26 is held on the surface of the sleeve ring 25. The sleeve ring 25 moves after being pushed, and the sleeve ring 25 drives the second telescopic rod 24 to move.

[0026] The bracket 1 is fixed, the force plate 18 is held on the surface of the railing, the movable plate 8 is pushed to move by the cylinder 5, and the movable plate 8 drives the slider 15 to move, the first telescopic rod 19 is retracted into the slider 15, and the holding plate 16 is held on the surface of the slider 15, so that the force plate 18 is held on the surface of the railing to realize the test of the horizontal load resistance performance of the railing. When the position of the force plate 18 needs to be replaced, the force plate 18 is pushed toward the direction of the slider 15 so that the first telescopic rod 19 is inserted into the slider. Inside the block 15, the first spring 17 is compressed, and the internal spring of the hollow tube 21 pulls the plug rod 22, so that the limit block 9 is held on the surface of the slot 7. When the L-shaped rod 20 moves with the first telescopic rod 19, until the spring inside the hollow tube 21 no longer applies tension, the plug rod 22 moves with the first telescopic rod 19, the limit block 9 is no longer held on the surface of the slot 7, and the teeth on the surface of the limit block 9 are no longer held on the teeth on the surface of the slot 7, the slider 15 can be adjusted in the slot 11. The position of the slider 15 is adjusted to adjust the position of the force-bearing plate 18, and after releasing the support of the force-bearing plate 18, the limit block 9 is pulled on the surface of the slot 7 by the spring inside the hollow tube 21, and the position of the slider 15 is stabilized, so that the position of the force-bearing plate 18 can be quickly moved and stabilized, and the screw 26 is screwed, and the screw 26 is supported on the surface of the support plate 12, so that the support plate 12 moves in the through groove 10, and the support plate 12 is supported on the surface of the through groove 10. The side close to the movable plate 8 is provided with teeth, and the side close to the movable plate 8 of the through groove 10 is provided with teeth. The teeth on the surface of the holding plate 12 mesh with the teeth on the surface of the through groove 10 to fix the position of the slider 15. When the railing needs to be supported at a single point, the second telescopic rod 24 is pushed into the extension rod 13, and the sleeve ring 25 is clamped on the surface of the screw 26. When the screw 26 is screwed, the first telescopic rod 19 is retracted into the interior of the slider 15 through the second telescopic rod 24 and the extension rod 13.

[0027] Although the above describes the illustrative specific implementation methods of the present application so that those skilled in the art can understand the present application, the present application is not limited to the scope of the specific implementation methods. For those of ordinary skill in the art, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations based on the concept of the present application are protected.

Claims

1. A guardrail horizontal load resistance performance testing device, characterized by: include: A bracket (1), wherein an adjustment rod (3) is provided on a surface of the bracket (1); A movable plate (8), wherein an adjustment groove (11) is provided on the surface of the movable plate (8), a slider (15) is provided in the adjustment groove (11), a first telescopic rod (19) is provided at the end of the slider (15), a force-bearing plate (18) is provided at the end of the first telescopic rod (19), an L-shaped rod (20) is provided on the surface of the first telescopic rod (19), a hollow tube (21) is provided at the end of the L-shaped rod (20), a plug-in rod (22) is provided at the end of the hollow tube (21), and a limit block (9) is provided at the end of the plug-in rod (22); and The groove (7) is provided on the surface of the movable plate (8).

2. The device for testing the horizontal load resistance performance of a guardrail according to claim 1 is characterized in that: The surface of the bracket (1) is provided with a fixing hole (2), a screw is fixed in the fixing hole (2) and the surface of the adjusting rod (3), the adjusting rod (3) is fixed to the surface of the bracket (1), a limiting rod (4) is inserted into the surface of the adjusting rod (3), a cylinder (5) is fixed on the surface of the adjusting rod (3), the cylinder (5) is connected to the piston rod (6), the cylinder (5) drives the piston rod (6) to move, the limiting rod (4) is fixed on the surface of the movable plate (8), and the limiting rod (4) can move inside the adjusting rod (3).

3. The device for testing the horizontal load resistance performance of a guardrail according to claim 2 is characterized in that: The surface of the slot (7) close to the slider (15) is provided with teeth, and the side of the limit block (9) close to the slider (15) is provided with teeth. When the limit block (9) is supported on the surface of the slot (7), the teeth on the surface of the limit block (9) mesh with the teeth on the surface of the slot (7). The slider (15) is inserted into the adjustment slot (11), and the slider (15) can move in the adjustment slot (11). The surface of the slider (15) is provided with a through slot (10), and a holding plate (12) is inserted into the through slot (10). The holding plate (12) can move in the through slot (10). The surface of the holding plate (12) close to the movable plate (8) is provided with teeth. The surface of the through slot (10) close to the movable plate (8) is provided with teeth. When the holding plate (12) is supported on the surface of the through slot (10), the teeth on the surface of the holding plate (12) mesh with the teeth on the surface of the through slot (10).

4. The device for testing the horizontal load resistance performance of a guardrail according to claim 3 is characterized in that: The first telescopic rod (19) is inserted into the interior of the slider (15); one end of the first telescopic rod (19) located inside the slider (15) can move inside the slider (15); the force-bearing plate (18) moves along with the first telescopic rod (19); a first spring (17) is arranged on the surface of the force-bearing plate (18); two groups of the first spring (17) are arranged; the other end of the first spring (17) is connected to the surface of the slider (15).

5. The device for testing the horizontal load resistance performance of a guardrail according to claim 4 is characterized in that: A supporting plate (16) is fixed to the surface of the first telescopic rod (19), and the supporting plate (16) moves with the first telescopic rod (19). The supporting plate (16) moves in the direction of the slider (15) and then supports the surface of the slider (15). An L-shaped rod (20) is fixed to the surface of the first telescopic rod (19), and the L-shaped rod (20) moves with the first telescopic rod (19). A hollow tube (21) is fixed to the end of the L-shaped rod (20), and a plug-in rod (22) is plugged into the interior of the hollow tube (21). A spring is provided inside the hollow tube (21), and the spring pulls the plug-in rod (22) toward the direction of the hollow tube (21).

6. The device for testing the horizontal load resistance performance of a guardrail according to claim 5, characterized in that: A connecting block (14) is fixed on the surface of the top holding plate (16), an extension rod (13) is fixed on the surface of the connecting block (14), a second telescopic rod (24) is inserted into the end of the extension rod (13), one end of the second telescopic rod (24) located inside the extension rod (13) is able to move inside the extension rod (13), a spring is arranged inside the extension rod (13), the spring connects the inside of the extension rod (13) and the end of the second telescopic rod (24), a sleeve ring (25) is fixed on the other end of the second telescopic rod (24), the sleeve ring (25) moves with the second telescopic rod (24), a screw (26) is screwed on the surface of the top holding plate (12), and the end of the screw (26) is screwed on the surface of the movable plate (8).

7. The device for testing the horizontal load resistance performance of a guardrail according to claim 6, characterized in that: The surface of the supporting plate (12) is connected to a second spring (23), the other end of the second spring (23) is connected to the surface of the moving plate (8), and the second spring (23) exerts a thrust on the supporting plate (12), so that the supporting plate (12) moves away from the surface of the moving plate (8).

8. The device for testing the horizontal load resistance performance of a guardrail according to claim 7, characterized in that: The sleeve ring (25) can be sleeved on the surface of the screw rod (26) after being moved. When the screw rod (26) is screwed into the interior of the movable plate (8), the end of the screw rod (26) is supported on the surface of the sleeve ring (25). The sleeve ring (25) is moved after being pushed, and the sleeve ring (25) drives the second telescopic rod (24) to move.

9. The device for testing the horizontal load resistance performance of a guardrail according to claim 8, characterized in that: A railing is provided on one side of the bracket (1), and the force-bearing plates (18) are supported on the surface of the railing, and two groups of force-bearing plates (18) are supported on the surface of the railing at the same time.

10. The device for testing the horizontal load resistance performance of a guardrail according to claim 9, characterized in that: The bottom of the bracket (1) is provided with a fixing hole, in which a screw is screwed to fix the bracket (1) on the ground.

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