Guardrail glass impact load detection device

Abstract

The utility model discloses a guardrail glass impact load detection device, which comprises a bottom plate, a rotating shaft and a cross rod, a support is fixedly arranged at the top of the bottom plate, the rotating shaft is rotatably arranged on the front side of the support along the transverse direction, a rope is wound outside the rotating shaft, one end of the rope is fixedly connected with the rotating shaft, and the other end of the rope is fixedly connected with an impact body. The rotating shaft is connected with the support through a locking mechanism, the cross rod is movably arranged on the front side of the support and can move up and down along the surface of the support, a first ring body which is transversely arranged is arranged on the front side of the cross rod, the rope penetrates through the first ring body in a sliding mode, and the cross rod is connected with the support through a displacement mechanism. Through the arrangement, the impact body can be aligned with the centers of the guardrail glass with various heights, and the accuracy of the impact load experiment result of the guardrail glass by the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to engineering detection technical field, concretely relates to a guardrail glass impact load detection device. BACKGROUND

[0002] Guardrail is an important part of safety facilities, in order to ensure that guardrail glass can bear the action of external force in the use process, impact load detection needs to be carried out to guardrail glass, when detecting in prior art, usually a certain weight impact body is hung on the hanger with 1.5 meters of rope, then the impact body is pulled up to the rope and the vertical angle is 45 degrees, the impact body is loosened, the impact body naturally impacts the center position of guardrail glass, and whether the guardrail glass appears abnormal after being impacted is observed.

[0003] The utility model discloses a kind of anti-impact performance detection devices of guardrail glass in air, including vertical support plate, bottom plate, hanger and stabilizing plate, the hanger is fixed with lifting ring, lifting ring is hung with sandbag by rope, sandbag is fixed with ring on the side away from vertical support plate, oblique setting connecting plate is connected between stabilizing plate end and hanger, oblique setting connecting plate is reserved with insertion hole on lower end side face, insertion hole is cooperatively provided with bolt.The above-mentioned scheme uses positioning pin to fix sandbag at insertion hole on the side of connecting plate, can guarantee the angle consistency of sandbag when rising and lowering each time, guarantee detection accuracy.

[0004] The above-mentioned scheme carries out impact load test, because the length of rope is fixed, sandbag cannot be aligned with the center of guardrail glass of multiple heights, further leading to that the accuracy of measurement result of the above-mentioned scheme is poor. UTILITY MODEL CONTENTS

[0005] The utility model intends to provide a kind of guardrail glass impact load detection device, to solve the problem of poor accuracy of measurement result existing in the above-mentioned scheme.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of guardrail glass impact load detection device, including bottom plate, pivot and crossbar, the top of bottom plate is fixedly provided with support, pivot is rotationally arranged on the front side of support along transverse direction, rope is wound outside pivot, one end of rope is fixedly connected with pivot, the other end of rope is fixedly connected with impact body, pivot is connected with support by locking mechanism, crossbar is movably arranged on the front side of support, crossbar can move up and down on the surface of support, first ring body is arranged on the front side of crossbar in transverse direction, rope is slidably arranged in first ring body, crossbar is connected with support by displacement mechanism.

[0008] The principle and effect of the technical scheme are as follows:

[0009] Place the base plate of the device on the ground on one side of the guardrail glass to be tested, then loosen the locking mechanism and rotate the rotating shaft, adjust the height of the impact body by winding and unwinding the rope, align the center of the impact body with the center of the guardrail glass, then move the crossbar up and down, so that the lower edge of the first ring body is 1.5 meters higher than the center of the impact body, close the locking mechanism, then pull up the impact body, loosen the impact body when the angle between the rope and the vertical line is 45 degrees, and make the impact body freely impact the guardrail glass.

[0010] Through the above setting, the height of the impact body is adjusted by rotating the rotating shaft, so that the impact body can be aligned with the center of the guardrail glass of various heights, and then the distance between the first ring body and the center of the impact body is adjusted by moving the crossbar up and down, so that the impact body can freely impact the guardrail along the specified movement radius, thereby improving the accuracy of the impact load test results of the guardrail glass by the device.

[0011] In the utility model, the left and right ends of the front side wall top of the support are fixedly provided with mounting plates, the rotating shaft is rotatably arranged between the two mounting plates, the locking mechanism comprises a pawl movably arranged on the side wall of one of the mounting plates and a ratchet wheel fixedly sleeved on the outer side wall of the rotating shaft, and the ratchet wheel is matched with the pawl.

[0012] The principle and effects of the technical scheme are as follows:

[0013] When it is needed to tighten the rope to lift the impact body, the rotating shaft is rotated clockwise, the ratchet wheel is pushed away from the pawl in the process of rotating clockwise along with the rotating shaft, and when the impact body is hung at a proper height, the rotating shaft is loosened, the rotating shaft has a tendency to rotate counterclockwise under the influence of the gravity of the impact body, and the pawl prevents the ratchet wheel from rotating counterclockwise at this time.

[0014] Through the above setting, the pawl prevents the ratchet wheel from rotating counterclockwise, so that the impact body can be hung at a proper height.

[0015] In the utility model, the left and right ends of the front side wall of the support are vertically provided with sliding grooves, and the left and right ends of the rear side wall of the crossbar are fixedly provided with protrusions slidably embedded in the corresponding sliding grooves.

[0016] In the utility model, the top of the support is fixedly provided with a mounting frame, a guide rod is fixedly arranged in the mounting frame, the displacement mechanism comprises a first screw rod rotatably arranged in the mounting frame, a first sliding block matched with the first screw rod and a connecting rod rotatably arranged at the bottom of the first sliding block, the first sliding block is slidably sleeved on the guide rod, and the bottom of the connecting rod is rotatably connected with the rear side wall of the crossbar.

[0017] The principle and effects of the technical scheme are as follows:

[0018] When the horizontal rod needs to be moved up and down, the first screw rod is rotated, the first sliding block is prevented from rotating by the guide rod, and the first sliding block is moved forward and backward along with the rotation of the first screw rod, the connecting rod is rotated when the first sliding block is moved, and the horizontal rod is moved up and down when the connecting rod is rotated.

[0019] Through the above arrangement, the purpose of moving the horizontal rod up and down is achieved, and the horizontal rod can be kept stationary after being moved to an appropriate height.

[0020] In the utility model, the lower side of the horizontal rod is fixedly provided with a limiting rod in the transverse direction. During the process of pulling up the impact body, the rope is stopped from continuing to pull up the impact body after contacting the limiting rod, at which time the included angle between the rope and the plumb line is 45°. Through the above arrangement, the angle of pulling up the impact body can be ensured to be consistent, and the accuracy of the test result can be ensured.

[0021] In the utility model, the front side wall of the horizontal rod is concavely provided with a mounting groove, a second screw rod is rotationally arranged in the mounting groove, a second sliding block is sleeved on the second screw rod, the second sliding block is in sliding abutment with the inner side wall of the mounting groove, a vertical rod is fixedly arranged on the front side wall of the second sliding block outside the horizontal rod, and the first ring body is fixedly arranged at the bottom of the front side wall of the vertical rod.

[0022] In the utility model, the front side wall of the vertical rod is fixedly provided with a second ring body above the first ring body, and the rope is slidably arranged in the second ring body.

[0023] Through the above arrangement, the second sliding block is moved left and right along with the rotation of the second screw rod, the first ring body is moved left and right, the rope is slidably arranged in the first ring body, the impact body can be moved left and right, the center of the impact body can be aligned with the center of the guardrail glass of various sizes, the rope is prevented from moving in the transverse direction during the process of pulling up the impact body, the rope is slidably arranged in the second ring body, the rope between the first ring body and the second ring body can be kept in a vertical state, and the accuracy of the detection result is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a perspective view of the overall structure of the utility model;

[0025] Figure 2 It is a perspective view of the overall structure of the utility model; Figure 1 It is an enlarged view of position A in the utility model;

[0026] Figure 3 It is an enlarged view of position B in the utility model; Figure 1 It is an enlarged view of position B in the utility model;

[0027] Figure 4 It is a partial right view of the utility model. DETAILED DESCRIPTION

[0028] The utility model will be further described in detail in combination with the drawings and embodiments:

[0029] The reference signs in the drawings of the specification include: 10, bottom plate; 11, support; 12, mounting plate; 13, sliding groove; 14, mounting frame; 15, guide rod; 20, rotating shaft; 21, rope; 22, impact body; 31, pawl; 32, ratchet wheel; 40, crossbar; 41, protrusion; 42, limiting rod; 43, mounting groove; 51, first ring body; 52, second ring body; 61, first screw; 62, first sliding block; 63, connecting rod; 70, second screw; 71, second sliding block; 72, vertical rod.

[0030] Embodiment:

[0031] As shown in the accompanying drawings Figures 1-4 The utility model discloses a guardrail glass impact load detection device, including bottom plate 10, rotating shaft 20 and crossbar 40, the top of bottom plate 10 is fixedly arranged with the support 11, rotating shaft 20 is along the lateral rotation and is arranged in the front side of support 11, and rotating shaft 20 is around with the rope 21, and one end of rope 21 is fixedly connected with rotating shaft 20, and the other end of rope 21 is fixedly connected with impact body 22, and rotating shaft 20 is connected with support 11 through locking mechanism, and crossbar 40 is movably arranged in the front side of support 11, and crossbar 40 can move up and down along the surface of support 11, and the front side of crossbar 40 is provided with the first ring body 51 of lateral arrangement, and rope 21 is slidably arranged in the first ring body 51, and crossbar 40 is connected with support 11 through displacement mechanism.

[0032] In this embodiment, the left and right ends of the top of the front side wall of the support 11 are fixedly provided with the mounting plate 12 respectively, the rotating shaft 20 is rotatably arranged in the two mounting plates 12, the locking mechanism includes the pawl 31 movably arranged on the side wall of one of the mounting plates 12, and the ratchet wheel 32 fixedly sleeved on the outer side wall of the rotating shaft 20, and the ratchet wheel 32 is matched with the pawl 31.

[0033] In this embodiment, the left and right ends of the front side wall of the support 11 are provided with the sliding groove 13 along the vertical direction respectively, and the left and right ends of the rear side wall of the crossbar 40 are fixedly provided with the protrusion 41 slidably embedded in the corresponding sliding groove 13.

[0034] In this embodiment, the top of the support 11 is fixedly provided with the mounting frame 14, the guide rod 15 is fixedly arranged in the mounting frame 14, the displacement mechanism includes the first screw 61 rotatably arranged in the mounting frame 14, the first sliding block 62 matched with the first screw 61, and the connecting rod 63 rotatably arranged at the bottom of the first sliding block 62, the first sliding block 62 is slidably sleeved on the guide rod 15, and the bottom of the connecting rod 63 is rotatably connected with the rear side wall of the crossbar 40.

[0035] In this embodiment, the limiting rod 42 is fixedly arranged below the crossbar 40 along the lateral direction.

[0036] In the embodiment, the front side wall of the cross bar 40 is concave with a mounting groove 43, a second screw rod 70 is rotationally arranged in the mounting groove 43, a second sliding block 71 is externally fitted on the second screw rod 70, the front side wall of the second sliding block 71 is in sliding abutment with the inner side wall of the mounting groove 43, a vertical rod 72 is fixedly arranged on the front side wall of the second sliding block 71, and the first ring body 51 is fixedly arranged on the bottom of the front side wall of the vertical rod 72.

[0037] In the embodiment, a second ring body 52 is fixedly arranged on the front side wall of the vertical rod 72 above the first ring body 51, and the rope 21 is slidably arranged in the second ring body 52.

[0038] The specific implementation process is as follows:

[0039] The bottom plate 10 of the device is placed on the ground on one side of the guardrail glass to be tested, then the locking mechanism is loosened and the rotating shaft 20 is rotated, the height of the impact body 22 is adjusted by winding and unwinding the rope 21, the impact body 22 is aligned with the center of the guardrail glass, then the cross bar 40 is moved up and down, the lower edge of the first ring body 51 is 1.5 meters higher than the center of the impact body 22, the locking mechanism is closed, the impact body 22 is pulled up, the angle between the rope 21 and the vertical line is 45°, the impact body 22 is loosened, and the impact body 22 is freely impacted on the guardrail glass.

[0040] When it is needed to tighten the rope 21 to lift the impact body 22, the rotating shaft 20 is rotated clockwise, the ratchet wheel 32 is pushed away from the ratchet pawl 31 during the clockwise rotation of the rotating shaft 20, when the impact body 22 is hung at a proper height, the rotating shaft 20 is loosened, the rotating shaft 20 has a tendency to rotate counterclockwise under the influence of the gravity of the impact body 22, at this time, the ratchet pawl 31 prevents the ratchet wheel 32 from rotating counterclockwise; when it is needed to move the impact body 22 downward, the ratchet pawl 31 is pushed away, at this time, the ratchet wheel 32 and the rotating shaft 20 can be rotated counterclockwise.

[0041] When it is needed to move the cross bar 40 up and down, the first screw rod 61 is rotated, the first sliding block 62 is moved forward and backward due to the rotation of the first screw rod 61, the first sliding block 62 is moved, the connecting rod 63 is rotated, and the cross bar 40 is moved up and down.

[0042] The above is only an embodiment of the present application, and the specific technical solutions or characteristics known in the scheme are not described in detail. It should be noted that, for those skilled in the art, without departing from the technical solutions of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like recorded in the specification can be used to explain the content of the claims.

Claims

1. A guardrail glass impact load detection device characterized by comprising: The utility model relates to a kind of vertical shooting device, including: Bottom plate, the top of the bottom plate is fixedly provided with support; Rotary shaft, the rotary shaft is arranged on the front side of support along transverse rotation, rotary shaft is arranged outside with rope, one end of rope is fixedly connected with rotary shaft, the other end of rope is fixedly connected with impact body, the rotary shaft is connected with support by locking mechanism; Crossbar, the crossbar is movably arranged on the front side of support, the crossbar can move up and down along the surface of support, the front side of crossbar is provided with first ring body arranged transversely, the rope is slidably arranged in first ring body, the crossbar is connected with support by displacement mechanism.

2. The guard bar glass impact load detection apparatus according to claim 1, characterized by: The left and right ends of the top of the front side wall of the support are respectively fixedly provided with mounting plate, the rotary shaft is rotatably arranged in two mounting plates, the locking mechanism includes pawl movably arranged in the side wall of one mounting plate and ratchet fixedly sleeved on the outer side wall of rotary shaft, and the ratchet is matched with the pawl.

3. The guard bar glass impact load detection apparatus according to claim 2, characterized by: The left and right ends of the front side wall of the support are respectively provided with slide groove along vertical direction, and the left and right ends of the rear side wall of crossbar are respectively fixedly provided with protrusion slidably embedded in corresponding slide groove.

4. The guard bar glass impact load detection apparatus according to claim 3, characterized by: The top of the support is fixedly provided with mounting frame, and guide rod is fixedly arranged in the mounting frame, the displacement mechanism includes first screw rod rotatably arranged in the mounting frame, first sliding block matched with the first screw rod and connecting rod rotatably arranged at the bottom of first sliding block, the first sliding block is slidably sleeved on the guide rod, and the bottom of connecting rod is rotatably connected with the rear side wall of crossbar.

5. The guardrail glass impact load detection apparatus according to any one of claims 1 to 4, characterized by: The limit rod is fixedly arranged below the crossbar along transverse direction.

6. The guardrail glass impact load detection apparatus according to claim 5, characterized by: The front side wall of the crossbar is recessed with mounting slot, second screw rod is rotatably arranged in mounting slot, second sliding block is matched and sleeved outside second screw rod, the second sliding block is slidably abutted with the inner side wall of mounting slot, vertical rod is fixedly arranged on the front side wall of second sliding block outside crossbar, and the first ring body is fixedly arranged at the bottom of the front side wall of vertical rod.

7. The guard bar glass impact load detection apparatus according to claim 6, characterized by: The front side wall of vertical rod is fixedly provided with second ring body above first ring body, and the rope is slidably arranged in second ring body.

Images