Guardrail cross beam center height accurate measuring scale

By designing a precise measuring ruler for the center height of guardrail beams, the problem of inaccurate guardrail center measurement was solved, achieving accurate measurement and convenient operation, and making it suitable for highway guardrail maintenance.

CN223663982UActive Publication Date: 2025-12-12赖威
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Patent Information

Application Number
CN202520149533.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-12-12
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

In existing technologies, maintenance personnel often find it difficult to keep the ruler vertical when measuring the center height of highway guardrail beams, resulting in low measurement accuracy and inconvenience in data recording, especially when the center of the guardrail has a concave structure.

Method used

A precise measuring ruler for the center height of a guardrail beam has been designed, comprising a base, a measuring ruler, a limiting block, a slider, a positioning rod, and a support plate. The hollow structure and rotating connection of the base ensure that the measuring ruler is perpendicular to the ground, and the positioning rod is inserted into the center of the guardrail groove for measurement. The support plate provides stable support and facilitates single-person operation.

Benefits of technology

It enables precise measurement of the center height of the guardrail beam, reduces the need for manual adjustment, improves measurement accuracy and convenience, and facilitates data recording and portability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a ruler for accurately measuring the central height of a guardrail cross beam. The accurate measuring scale for the central height of the guardrail cross beam comprises a base, the interior of the base is of a hollow structure, and the top of the base is of an open structure. The measuring scale is installed on the right side of the inner side of the base, when the measuring scale rotates rightwards to the maximum degree, the lower end of the right side of the measuring scale makes contact with and abuts against the right side of the inner side of the base, at the moment, the measuring scale is perpendicular to the base, and therefore the measuring scale can be vertically upward relative to the base without repeated adjustment. The base is placed on the high-speed ground, so that the measuring scale is perpendicular to the ground, the positioning rod with the adjustable height is installed on the side face of the measuring scale, the right end of the positioning rod is of a trapezoidal structure and can penetrate into the center of a groove of a guardrail beam, and the height of the guardrail beam can be known by checking the height of the positioning rod on the measuring scale. And compared with a mode of measuring by using a common ruler, the device is more accurate.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of high -speed guardrail crossbeam overhauls, especially relates to a guardrail crossbeam center height precision measuring scale. BACKGROUND

[0002] High -speed guardrail is the isolation and protection facilities set on the highway, and its main function is to guarantee the traffic safety, reduces the occurrence of traffic accidents, and the installation and maintenance of high -speed guardrail are important links to guarantee its normal function, and some high -speed routes have been opened for a long time, and after roadbed settlement after multiple road reconstruction, the protection height of roadside guardrail is continuously reduced, thereby causing that its protection performance cannot satisfy the existing specification requirement, in order to further improve the highway traffic safety facilities, ensure that traffic safety facilities are set reasonably and maintained in time, maintenance personnel need to measure the height of high -speed guardrail periodically.

[0003] But the maintenance personnel usually uses the ruler with long length to measure the height of high -speed guardrail, and there is certain deviation in the measurement of guardrail crossbeam center in the process of investigation and adjustment of part of road maintenance personnel, because the bottom area of general ruler is small, it is difficult to stand stably on the ground, thereby making it difficult for the ruler to keep the complete vertical state with the ground, and the guardrail center is concave, and the general ruler cannot be inserted into it, and only a rough value can be estimated by visual estimation of maintenance personnel during measurement, thereby affecting the measurement precision, and the maintenance personnel need to hold the ruler all the time, which is inconvenient for the maintenance personnel to record data, therefore, it is necessary to provide a guardrail crossbeam center height precision ruler to solve the above problems. UTILITY MODEL CONTENTS

[0004] The technical content of the utility model provides a guardrail crossbeam center height precision measuring scale.

[0005] In order to solve the above problems, the utility model provides a guardrail crossbeam center height precision measuring scale, which comprises a base, the inside of the base is provided as a hollow structure and the top is provided as an open structure, a measuring scale is installed on the right side of the inside of the base through a rotating shaft, a limiting block is installed on the rotating shaft, a sliding groove is opened in the side of the measuring scale, a sliding block is installed in the sliding groove, a positioning rod is installed on the side of the sliding block, four groups of supporting plates are symmetrically installed on both sides of the base, and a level is installed on the middle of both sides of the base.

[0006] As a further solution of the utility model, the length of the base is greater than the length of the measuring scale, the inner length of the base is adapted to the length of the measuring scale, the inner width of the right side of the base is greater than the width of the measuring scale, the right side of the inner side of the base is provided with an arc structure adapted to the bottom of the measuring scale, and the right side of the inner side of the base is provided with a rotating groove adapted to the rotating shaft, and the rotating shaft is fixedly installed on the bottom of the measuring scale.

[0007] As a further solution of the utility model, the size of the limiting block is adapted to the rotating groove on the right side of the inner side of the base, and the bottom of the limiting block is provided with an arc structure adapted to the rotating shaft.

[0008] As a further solution of the utility model, the sliding groove on the side of the measuring scale penetrates the top of the measuring scale, the sliding block and the sliding groove are both provided with a T-shaped structure, the positioning rod is fixedly connected with the sliding block through two groups of fixing bolts, the positioning rod is perpendicular to the measuring scale, and the right side of the positioning rod is provided with a trapezoidal structure, and the left side of the measuring scale is provided with a scale line, so as to measure the center height of the guardrail.

[0009] As a further solution of the utility model, the two sides of the base are symmetrically provided with four groups of installation grooves adapted to the supporting plates, the supporting plates are rotatably installed in the installation grooves, and the installation grooves penetrate the bottom of the base, the bottom of the supporting plate is flush with the bottom of the base, and the middle part of the base is provided with a through groove on the two sides, and the level is fixedly installed in the through groove, so as to adjust the base to be in a horizontal state by the maintenance personnel.

[0010] Compared with the related art, the guardrail beam center height precision measuring scale has the following beneficial effects:

[0011] 1、The utility model discloses a measuring scale is installed on the right side of the inner side of the base, when the measuring scale rotates to the maximum limit to the right, the right lower end of the measuring scale is in contact with the right side of the inner side of the base and is resisted, at this moment, the measuring scale is perpendicular to the base, so that the measuring scale can be vertically upward relative to the base without repeated adjustment, the base is placed on the high-speed ground, so that the measuring scale is perpendicular to the ground, the side of the measuring scale is provided with a height adjustable positioning rod, the right end of the positioning rod is provided with a trapezoidal structure, can be in the guardrail beam groove center place, can be through checking the height of the positioning rod on the measuring scale to know the guardrail beam height, compared with the measurement mode of using ordinary ruler, the device is more accurate.

[0012] 2. The utility model discloses a hollow structure is arranged in the inside of base and is provided with the open structure at the top, the inside of base has the recess, and the size of recess is greater than the size of measuring scale, and then the measuring scale can be rotated into the recess, and the other space in the recess can also store the sliding block and positioning rod, and then the device is only the size of base when being stored, and it is very convenient to carry.

[0013] 3. The utility model discloses four groups of installation grooves are set up in the both sides of base, and the supporting plate is installed in the installation groove, and the supporting plate is rotatably installed in the installation groove, and the installation groove penetrates the bottom of base, and the bottom of supporting plate is flush with the bottom of base, when using the device, the maintenance personnel can rotate and open four groups of supporting plates from the installation groove, and there is an angle between the supporting plate and base, so that the base can be supported through four groups of supporting plates, and the base can be stably placed on the road surface under the condition of needing manual support, at this moment, the maintenance personnel can be busy with adjusting the height of positioning rod and the record of data, so that the device can be used by one person, and it is more convenient to use, and after use, the supporting plate is rotated into the installation groove, and it is very convenient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to facilitate the person skilled in the art to understand, the utility model is further explained below in combination with the drawings.

[0015] Figure 1 It is the display three-dimensional structure schematic view of the utility model discloses a guardrail cross beam center height precision measuring scale;

[0016] Figure 2 It is the storage three-dimensional structure schematic view of the utility model discloses a guardrail cross beam center height precision measuring scale;

[0017] Figure 3 It is the measuring scale bottom structure schematic view of the utility model discloses a guardrail cross beam center height precision measuring scale;

[0018] Figure 4 It is the inside structure schematic view of the utility model discloses a guardrail cross beam center height precision measuring scale of base;

[0019] Figure 5 It is the measuring scale three-dimensional structure schematic view of the utility model discloses a guardrail cross beam center height precision measuring scale;

[0020] Figure 6 It is the sliding block and positioning rod structure schematic view of the utility model discloses a guardrail cross beam center height precision measuring scale;

[0021] Figure 7 It is the supporting plate unfolding structure schematic view of the utility model discloses a guardrail cross beam center height precision measuring scale;

[0022] Figure 8 It is A place of the utility model bar center height precision measuring ruler's enlarged structure schematic diagram.

[0023] In the drawing: 1, base; 2, pivot; 3, measuring ruler; 4, limit block; 5, sliding slot; 6, sliding block; 7, positioning rod; 8, support plate; 9, level. DETAILED DESCRIPTION

[0024] Please see Figures 1-8 A kind of guardrail beam center height precision measuring ruler, including base 1, the inside of base 1 is hollow structure and top is set as open structure, the inside right side of base 1 is installed with measuring ruler 3 by pivot 2, pivot 2 is installed with limit block 4, the side of measuring ruler 3 is opened with sliding slot 5, wherein sliding block 6 is installed, the side of sliding block 6 is installed with positioning rod 7, four groups of support plates 8 are symmetrically installed on the both sides of base 1, level 9 is installed in the middle of the both sides of base 1.

[0025] Preferably, the length of base 1 is greater than the length of measuring ruler 3, the length of the inner side of base 1 is adapted to the length of measuring ruler 3, the inner side width of base 1 is greater than the width of measuring ruler 3, the inner side right side of base 1 is set as the arc structure that is adapted to the bottom of measuring ruler 3, the both sides of the inner side right side of base 1 are opened with the rotation groove that is adapted to pivot 2, and the rotation groove penetrates the top of base 1, pivot 2 is fixedly installed at the bottom of measuring ruler 3, by installing the both ends of pivot 2 in the rotation groove opened in the both sides of the inner side right side of base 1, measuring ruler 3 can be installed in the inside of base 1, pivot 2 is rotatably connected with the rotation groove, so that measuring ruler 3 can rotate within 90 degrees, when measuring ruler 3 rotates to the maximum limit to the right, the right lower end of measuring ruler 3 is in contact with the inner side right side of base 1 and is resisted, at this time, measuring ruler 3 is perpendicular to base 1, so that measuring ruler 3 can be vertically upward relative to base 1 without repeated adjustment;

[0026] Preferably, the size of limit block 4 is adapted to the rotation groove opened in the both sides of the inner side right side of base 1, the bottom of limit block 4 is set as the arc structure that is adapted to pivot 2, by installing limit block 4 in the both sides of the inner side right side of base 1 and using fixed bolt to fix it in the inside of base 1, the rotation groove opened in the both sides of the inner side right side of base 1 can be closed, pivot 2 is installed in the rotation groove, so that pivot 2 cannot be separated from the rotation groove and can rotate in the rotation groove, and measuring ruler 3 is rotatably installed in the inside of base 1, when the device is stored, measuring ruler 3 is rotatably stored in the inside of base 1, so that the overall size of the device is reduced, so as to be stored and carried conveniently;

[0027] Preferably, the side of the measuring scale 3 is provided with a sliding groove 5, which penetrates the top of the measuring scale 3, so as to install the sliding block 6 into the sliding groove 5, both the sliding groove 5 and the sliding block 6 are provided in a T-shaped structure, so that the sliding block 6 can only move up and down along the sliding groove 5, and the sliding block 6 cannot be separated from the sliding groove 5, the positioning rod 7 is fixedly connected with the sliding block 6 through two groups of fixing bolts, and then the positioning rod 7 is installed on the side of the measuring scale 3, the positioning rod 7 is perpendicular to the measuring scale 3, and the right side of the positioning rod 7 is provided in a trapezoidal structure, so as to extend the right end of the positioning rod 7 into the guardrail groove, and the left side of the measuring scale 3 is provided with a scale line, and the scale line data flush with the positioning rod 7 can be read when the positioning rod 7 is extended into the guardrail groove, that is, the measured guardrail beam center height, and the height of the positioning rod 7 can be adjusted through the movement of the sliding block 6 in the sliding groove 5, so that the device is very convenient to operate, and when the device is stored, the positioning rod 7 and the sliding block 6 can be disassembled, and the sliding block 6, the positioning rod 7 and the fixing bolt are placed in the top groove of the base 1, so as to facilitate carrying, and the device can be quickly assembled when it is needed to use.

[0028] Preferably, four groups of installation grooves matched with the supporting plates 8 are symmetrically formed on the two sides of the base 1, the supporting plates 8 are rotatably installed in the installation grooves, and the installation grooves penetrate the bottom of the base 1, the bottom of the supporting plate 8 is flush with the bottom of the base 1, when the device is used, the four groups of supporting plates 8 can be rotated and opened from the installation grooves, so that there is an angle between the supporting plate 8 and the base 1, so that the base 1 can be supported by the four groups of supporting plates 8, so that the base 1 can be stably placed on the road surface under the condition of needing manual support, at this time, the maintenance personnel can be busy with adjusting the height of the positioning rod 7 and recording the data, so that the device can be used by one person, and it is more convenient to use, and after use, the supporting plate 8 can be rotated into the installation groove, the through grooves are formed on the two sides of the middle part of the base 1, the level 9 is fixedly installed in the through grooves, the bubble in the level 9 can display whether the base 1 is in a horizontal state when placed on the road surface, so as to be adjusted by the maintenance personnel, so that the base 1 is in a horizontal state, thereby improving the accuracy of the guardrail center height measurement data.

[0029] The standard parts used in the embodiment can be directly purchased from the market, and can be customized according to the description and drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the mechanical, part and equipment adopt the conventional type in the prior art, and the components known by the person skilled in the art, the structure and principle thereof are known by the person skilled in the art through technical manual or conventional experimental method.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations or direct or indirect application can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents, and the same is true for the patent protection scope of the utility model.

Claims

1. A precise measurement ruler for the center height of a guardrail beam, comprising a base (1), characterized in that: The inside of the base (1) is provided with a hollow structure and the top is provided with an open structure, the right side of the inside of the base (1) is provided with a measuring ruler (3) through a rotating shaft (2), the rotating shaft (2) is provided with a limiting block (4), the side of the measuring ruler (3) is provided with a sliding groove (5), wherein a sliding block (6) is installed, the side of the sliding block (6) is provided with a positioning rod (7), four sets of supporting plates (8) are symmetrically installed on both sides of the base (1), and a level (9) is installed on the middle of both sides of the base (1).

2. The precise center height measuring ruler for guardrail beam according to claim 1, characterized in that: The length of the base (1) is greater than the length of the measuring ruler (3), the length of the inside of the base (1) is adapted to the length of the measuring ruler (3), the width of the inside of the base (1) is greater than the width of the measuring ruler (3), the right side of the inside of the base (1) is provided with an arc structure adapted to the bottom of the measuring ruler (3), and the rotating grooves adapted to the rotating shaft (2) are formed on both sides of the right side of the inside of the base (1), and the rotating grooves penetrate the top of the base (1). The rotating shaft (2) is fixedly installed at the bottom of the measuring ruler (3), and the rotating shaft (2) is rotatably connected with the rotating grooves.

3. The precise center height measuring ruler for guardrail beam according to claim 1, characterized in that: The limiting block (4) is adapted to the rotating grooves formed on both sides of the right side of the inside of the base (1), and the bottom of the limiting block (4) is provided with an arc structure adapted to the rotating shaft (2).

4. The precise guardrail beam center height measuring ruler according to claim 1, characterized in that: The sliding groove (5) formed on the side of the measuring ruler (3) penetrates the top of the measuring ruler (3), the sliding block (6) and the sliding groove (5) are provided with T-shaped structures, the positioning rod (7) is fixedly connected with the sliding block (6) through two groups of fixing bolts, the positioning rod (7) is perpendicular to the measuring ruler (3), the right side of the positioning rod (7) is provided with a trapezoidal structure, and the left side of the measuring ruler (3) is provided with a scale line.

5. The precise center height measuring ruler for guardrail beam according to claim 1, characterized in that: Four sets of installation grooves adapted to the supporting plates (8) are symmetrically formed on both sides of the base (1), the supporting plates (8) are rotatably installed in the installation grooves, the installation grooves penetrate the bottom of the base (1), the bottom of the supporting plate (8) is flush with the bottom of the base (1), and a through groove is formed on both sides of the middle of the base (1). The level (9) is fixedly installed in the through groove.