Road guardrail plate pressure detection device

Abstract

The utility model discloses a road guardrail plate pressure detection device which is installed on a guardrail plate to be detected and comprises a fixed plate and a movable plate, the fixed plate is fixedly arranged on the ground on one side of the guardrail plate to be detected, a graduated scale is fixedly arranged at the top of the fixed plate, the movable plate is arranged at the top of the fixed plate in a sliding mode, and the graduated scale is arranged on the movable plate. The movable plate can move in the direction perpendicular to the to-be-tested guardrail plate, a mounting plate is fixedly arranged on the outer side wall, away from the to-be-tested guardrail plate, of the movable plate, a paintbrush is slidably arranged at the top of the mounting plate in a penetrating mode, and the bottom of the paintbrush abuts against the top of the calibrated scale. Through the arrangement, the paintbrush is arranged on the movable plate, so that the device can detect the maximum dynamic deformation of the guardrail plate to be detected.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of guardrail detection, and particularly relates to a highway guardrail plate pressure detection device. BACKGROUND

[0002] In order to ensure road traffic safety, prevent vehicles from running out of the road, it is necessary to set up guardrails beside the road, and the prior art needs to install guardrails according to standards on a test site, and then a test vehicle impacts the guardrails at a certain speed and angle, and the maximum dynamic deformation of the guardrails is measured to detect the compression resistance of the guardrails.

[0003] The Chinese patent with the publication number CN211652004U discloses a highway guardrail impact detection device, which comprises a fixed frame and a steel ball launcher arranged on a bottom plate, the fixed frame is used for clamping the guardrail, and the fixed frame mainly comprises two oppositely arranged C-shaped clamps and a support plate connected between the C-shaped clamps, a clamping groove is formed in the side surface of the support plate, and a measuring scale is slidably installed in the clamping groove.

[0004] The guardrail will deform after being impacted, but the guardrail has elasticity, and the guardrail will reset to a certain extent after the impact force is removed, the above scheme can only detect the deformation of the reset guardrail, and cannot detect the maximum deformation of the guardrail, thereby leading to poor accuracy of the measurement result of the above scheme. UTILITY MODEL CONTENTS

[0005] The utility model intends to provide a highway guardrail plate pressure detection device to solve the problem of poor accuracy of the measurement result of the above scheme.

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

[0007] A highway guardrail plate pressure detection device is installed on a to-be-detected guardrail, comprising a fixed plate and a movable plate, the fixed plate is fixedly arranged on the ground on one side of the to-be-detected guardrail, a scale is fixedly arranged on the top of the fixed plate, the movable plate is slidably arranged on the top of the fixed plate, and the movable plate can move in a direction perpendicular to the to-be-detected guardrail, an installation plate is fixedly arranged on the outer side wall of the movable plate away from the to-be-detected guardrail, a brush is slidably arranged on the top of the installation plate, and the bottom of the brush abuts against the top of the scale.

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

[0009] After the to-be-tested guard plate is installed on the test site, the movable plate is slid to make the movable plate close to the to-be-tested guard plate and contact the to-be-tested guard plate, the test vehicle impacts the to-be-tested guard plate at a certain speed and angle, the to-be-tested guard plate is deformed by being recessed on the side close to the movable plate, the to-be-tested guard plate pushes the movable plate to move when the to-be-tested guard plate is deformed, and the pen draws a line on the scale during the movement of the movable plate, and the length of the line is the maximum dynamic deformation of the to-be-tested guard plate.

[0010] By the above arrangement, the pen arranged on the movable plate enables the device to detect the maximum dynamic deformation of the to-be-tested guard plate, improves the accuracy of the measurement result, and the movable plate is slid on the side of the to-be-tested guard plate, so that the test vehicle can impact any point of the to-be-tested guard plate within the length range of the movable plate, the accuracy requirement of the predetermined impact position is low, and the practicability of the device is improved.

[0011] In the utility model, the both ends of movable plate side wall are respectively equipped with the connecting rod of sliding through, and the one end of connecting rod is equipped with the block of fixed setting in the to-be-tested guard plate, and the other end of connecting rod is located in the side of movable plate away from to-be-tested guard plate, and the spring is equipped with the other end of connecting rod and to-be-tested guard plate between the sleeve of connecting rod.

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

[0013] In the initial state, the block abuts against the side of the to-be-tested guard plate away from the movable plate, and the movable plate abuts against the to-be-tested guard plate, when the to-be-tested guard plate is deformed by being impacted by the test vehicle, the deformed part of the to-be-tested guard plate pushes the movable plate to move towards the other end of the connecting rod, the spring is extruded and deformed in the process and has elasticity, and the spring pushes the movable plate to continuously abut against the to-be-tested guard plate.

[0014] By the above arrangement, the movable plate can be prevented from moving in the direction perpendicular to the to-be-tested guard plate after reaching the maximum dynamic deformation of the to-be-tested guard plate under the action of inertia, and the accuracy of the measurement result is further improved.

[0015] In the utility model, the block is arranged in a spherical shape. By the above arrangement, the connecting rod can be prevented from being bent and folded when the to-be-tested guard plate is inclined by being impacted, and the service life of the device is prolonged.

[0016] In the utility model, the both sides of the movable plate are respectively provided with through grooves, vertical rods capable of sliding along the length direction of the movable plate are respectively arranged in the through grooves, the side walls of the vertical rods are respectively slidably provided with sliders capable of moving up and down, the two connecting rods are respectively slidably arranged in the corresponding sliders, and the two ends of the spring are respectively connected to the other end of the connecting rod and the slider. By the above arrangement, the connecting rod can be moved when the to-be-tested guard plate is displaced by being impacted, and the connecting rod can be prevented from being bent and folded, and the service life of the device is further prolonged.

[0017] In the utility model, the paintbrush is externally equipped with a tension spring, and the two ends of the tension spring are connected with the top of the paintbrush and the mounting plate respectively. Through the above setting, the tension spring exerts a downward pulling force on the paintbrush, ensuring that the bottom of the paintbrush continuously abuts against the top of the scale, and further ensuring the drawing effect of lines.

[0018] In the utility model, the two ends of the top of the fixed plate are respectively recessed with sliding grooves, the length direction of the sliding grooves is perpendicular to the length direction of the to-be-measured guard rail, and the two ends of the bottom of the movable plate are respectively provided with movable seats, and the two movable seats are respectively slidably embedded in the corresponding sliding grooves. Through the above setting, the purpose of moving the movable plate along the direction perpendicular to the to-be-measured guard rail is achieved.

[0019] In the utility model, the two movable seats are respectively detachably connected with the movable plate through bolts. Through the above setting, the movable plate can be replaced, the detection personnel can conveniently maintain the device, and the maintenance and use costs are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a front view of the utility model;

[0021] Figure 2 It is a rear view of the utility model;

[0022] Figure 3 It is Figure 2 It is an enlarged view of A in the middle;

[0023] Figure 4 It is Figure 2 It is an enlarged view of B in the middle. DETAILED DESCRIPTION

[0024] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part in the form of graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0025] The utility model will be further described in detail in combination with the drawings and embodiments:

[0026] The reference signs in the drawings of the specification include: 10, to-be-measured guard rail; 20, fixed plate; 21, scale; 22, sliding groove; 30, movable plate; 31, mounting plate; 32, through groove; 33, vertical rod; 34, sliding block; 40, paintbrush; 50, connecting rod; 51, stop block; 61, compression spring; 62, tension spring; 70, movable seat.

[0027] EMBODIMENT:

[0028] As shown in the drawingsFigures 1-4 The utility model discloses a highway guardrail plate pressure detection device, install in the guardrail 10 of measuring, including fixed plate 20 and movable plate 30, the fixed plate 20 fixed setting in the ground of the one side of guardrail 10 of measuring, the top of fixed plate 20 is fixedly arranged with scale 21, movable plate 30 is slidably arranged at the top of fixed plate 20, and movable plate 30 can move along the direction perpendicular to the guardrail 10 of measuring, and the outer side wall of movable plate 30 away from the guardrail 10 of measuring is fixedly arranged with mounting plate 31, and the top of mounting plate 31 is slidably provided with brush 40, and the bottom of brush 40 is in contact with the top of scale 21.

[0029] In this embodiment, the both ends of the side wall of movable plate 30 are slidably provided with connecting rod 50, one end of connecting rod 50 is provided in the guardrail 10 of measuring, and the end of connecting rod 50 away from the guardrail 10 of measuring is fixedly provided with stopper 51, the other end of connecting rod 50 is located on the side of movable plate 30 away from the guardrail 10 of measuring, and compression spring 61 is sleeved between the other end of connecting rod 50 and the guardrail 10 of measuring.

[0030] In this embodiment, the stopper 51 is provided as a spherical shape.

[0031] In this embodiment, the both sides of movable plate 30 are respectively provided with through slot 32, and vertical rod 33 capable of sliding along the length direction of movable plate 30 is arranged in through slot 32, the side wall of vertical rod 33 is slidably provided with slider 34 capable of moving up and down, the both ends of connecting rod 50 are slidably provided in corresponding slider 34, and the both ends of compression spring 61 are connected with the other end of connecting rod 50 and slider 34.

[0032] In this embodiment, the brush 40 is sleeved with tension spring 62, and the both ends of tension spring 62 are connected with the top of brush 40 and mounting plate 31.

[0033] In this embodiment, the both ends of the top of fixed plate 20 are respectively recessed with sliding groove 22, and the length direction of sliding groove 22 is perpendicular to the length direction of the guardrail 10 of measuring, the both ends of the bottom of movable plate 30 are respectively provided with movable seat 70, and the both ends of movable seat 70 are slidably embedded in corresponding sliding groove 22.

[0034] In this embodiment, the both ends of movable seat 70 are detachably connected with movable plate 30 through bolts.

[0035] The specific implementation process is as follows:

[0036] After the to-be-tested guard plate 10 is installed on the test site, the movable plate 30 is slid to make the movable plate 30 contact the to-be-tested guard plate 10 on the side close to the to-be-tested guard plate 10, the test vehicle impacts the to-be-tested guard plate 10 at a certain speed and angle, the to-be-tested guard plate 10 is deformed by being recessed on the side close to the movable plate 30, the to-be-tested guard plate 10 pushes the movable plate 30 to move when the to-be-tested guard plate 10 is deformed, and the pen 40 draws a line on the scale 21 in the process that the movable plate 30 moves, and the length of the line is the maximum dynamic deformation of the to-be-tested guard plate 10.

[0037] In the initial state, the stop block 51 abuts against the side of the to-be-tested guard plate 10 away from the movable plate 30, and the movable plate 30 abuts against the to-be-tested guard plate 10, when the to-be-tested guard plate 10 is deformed by being impacted by the test vehicle, the deformed part of the to-be-tested guard plate 10 pushes the movable plate 30 to move towards the other end of the connecting rod 50, the compression spring 61 is extruded and deformed and has elastic force in the process, and the compression spring 61 pushes the movable plate 30 to continuously abut against the to-be-tested guard plate 10.

[0038] The above is only an embodiment of the present application, and the well-known specific technical solutions or characteristics in the scheme are not described in detail. It should be noted that, for those skilled in the art, without departing from the technical scheme 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 practicability 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 in the specification can be used to explain the content of the claims.

Claims

1. A highway guardrail plate pressure detection device installed on a guardrail plate to be detected, characterized in that, The utility model relates to a kind of guardrail testing device, including: Fixed plate, the fixed plate is fixedly arranged on the ground of the side of the guardrail to be measured, and the top of fixed plate is fixedly provided with scale; Movable plate, the movable plate is slidably arranged on the top of fixed plate, and movable plate can move in the direction perpendicular to the guardrail to be measured, and the outer side wall of movable plate away from the guardrail to be measured is fixedly provided with mounting plate, and the top of mounting plate is slidably provided with brush, and the bottom of brush is in contact with the top of scale.

2. The highway guardrail panel pressure detection apparatus of claim 1, wherein: Two ends of the side wall of movable plate are slidably provided with connecting rod respectively, and one end of connecting rod is provided in the guardrail to be measured, and the end of connecting rod, which is stretched out of the guardrail to be measured, is fixedly provided with stop block, and the other end of connecting rod is located on the side of movable plate away from the guardrail to be measured, and pressure spring is sleeved between the other end of connecting rod and the guardrail to be measured outside.

3. The highway guardrail panel pressure detection apparatus of claim 2, wherein: The stop block is provided as a spherical shape.

4. The highway guardrail panel pressure detection apparatus of claim 3, wherein: Two sides of the movable plate are respectively provided with through slot, and vertical rod, which can slide along the length direction of movable plate, is arranged in through slot respectively, and the side wall of vertical rod is slidably provided with slider, which can move up and down, and two connecting rods are slidably provided in corresponding slider respectively, and two ends of pressure spring are connected with the other end of connecting rod and slider respectively.

5. The highway guardrail panel pressure detection apparatus of claim 4, wherein: The brush is sleeved with tension spring, and two ends of tension spring are connected with the top of brush and mounting plate respectively.

6. The highway guardrail pressure detection device of any one of claims 1-5, wherein: Two ends of the top of fixed plate are respectively recessed with sliding groove, and the length direction of sliding groove is perpendicular to the length direction of the guardrail to be measured, and two ends of the bottom of movable plate are respectively provided with movable seat, and two movable seats are slidably embedded in corresponding sliding groove respectively.

7. The highway guardrail panel pressure detection apparatus of claim 6, wherein: Two movable seats are detachably connected with movable plate through bolt.

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