Guardrail machining weld joint polishing jig

By designing a jig for grinding the weld seams of the guardrail, and using a combination of a hanging plate, a fixed frame, and a moving frame with lifting equipment, the guardrail can be lifted and flipped, solving the problem of inconvenient grinding in the existing technology and improving the convenience and efficiency of grinding.

CN223779827UActive Publication Date: 2026-01-09FOSHAN DAPIN INTEGRATED HOUSING CO LTD
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Patent Information

Application Number
CN202520228423.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-13
Publication Date
2026-01-09
Estimated Expiration
2035-02-13

AI Technical Summary

Technical Problem

The existing methods for grinding guardrail welds lack convenience and flexibility, making it difficult for workers to grind from different angles, resulting in fatigue and low efficiency.

Method used

Design a jig for grinding weld seams in guardrail processing, including a hanging plate, a fixed frame, a moving frame, and a positioning template. It is used in conjunction with lifting equipment to realize the lifting and flipping of guardrails and provide convenient grinding operations.

Benefits of technology

It improves the convenience and flexibility of grinding, reduces worker fatigue, increases grinding efficiency, and solves the problem of low efficiency caused by bending over and squatting in existing technologies.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of guardrails, in particular to a guardrail machining weld joint polishing jig which comprises a hanging plate, a fixed frame, a movable frame and a positioning template, a hanging buckle is fixedly arranged at the corner of the top of the hanging plate, the fixed frame and the movable frame are arranged at the two ends of the bottom of the hanging plate respectively, and the top of the fixed frame is fixedly connected with the hanging plate. Sliding rails are arranged on the two sides of the bottom of the hanging plate correspondingly, and the top of the movable frame is in sliding connection with the sliding rails. Through an assembly composed of the lifting plate, the fixed frame, the movable frame and the positioning template, a set of lifting jig used in cooperation with lifting equipment is provided for polishing operation of guardrail machining welding seams, after the lifting equipment such as an electric hoist and a crown block in an operation site is assembled, a guardrail can be lifted after being clamped by the jig, and the polishing efficiency is improved. The guardrail can better reach the height required to be operated by a worker, overturning and displacement can be achieved through the jig, and the convenience of polishing the guardrail by the polishing worker is better.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a guardrail technical field, concretely relates to a guardrail processing weld polishing jig. BACKGROUND

[0002] Guardrails are widely used in balcony, residential area, municipal road, highway, airport, railway, park, school, hospital and tourist attraction and the like, mainly play the role of safety protection, maintain order and beautify the environment, and the guardrail is usually formed by welding and assembling a plurality of rod pieces, which leads to the need of polishing the weld before the guardrail is delivered from the factory to ensure the appearance beauty.

[0003] The existing polishing method often lacks convenience and flexibility, and workers are difficult to polish the weld from different angles, and when changing the polishing angle, the guardrail usually needs to be manually carried and adjusted, and the guardrail can only be supported by the ground or the table in the work site, which causes the polishing process to be often performed by bending over or squatting, leading to the problems of worker fatigue and low efficiency, and therefore a guardrail processing weld polishing jig is proposed. UTILITY MODEL CONTENT

[0004] In view of the problems in the prior art, the utility model provides a guardrail processing weld polishing jig to provide a lifting jig for cooperation with hoisting equipment for polishing work of the weld of the guardrail, after the hoisting equipment such as electric hoist and overhead crane is assembled in the work site, the guardrail can be lifted by the jig, the height required by the personnel for operation can be better reached, and the jig can be turned over and displaced, which helps the polishing personnel to better polish the guardrail.

[0005] The utility model solves the technical problems and adopts the technical scheme of a guardrail processing weld polishing jig, which comprises a lifting plate, a fixed frame, a movable frame and a positioning template, the lifting plate is fixedly provided with a lifting buckle at the top corner, the fixed frame and the movable frame are arranged at the bottom of the lifting plate, the top of the fixed frame is fixedly connected with the lifting plate, the bottom of the lifting plate is provided with sliding rails on the two sides, and the top of the movable frame is slidingly connected with the sliding rails.

[0006] By adopting the above technical scheme, the assembly composed of the lifting plate, the fixed frame, the movable frame and the positioning template provides a lifting jig for cooperation with hoisting equipment for polishing work of the weld of the guardrail, after the hoisting equipment such as electric hoist and overhead crane is assembled in the work site, the guardrail can be lifted by the jig, the height required by the personnel for operation can be better reached, and the jig can be turned over and displaced, which helps the polishing personnel to better polish the guardrail.

[0007] Specifically, the side bottom of the fixed frame and the side bottom of the movable frame are respectively provided with a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate are oppositely arranged, the side of the first mounting plate away from the second mounting plate is rotationally connected to the fixed frame through a bearing, the positioning template is at least provided in a group and is mounted on the first mounting plate and the second mounting plate through bolts, and a clamping groove for clamping the guardrail is formed on one side of the positioning template.

[0008] By adopting the above technical scheme, the positioning template is arranged on the first mounting plate and the second mounting plate, the clamping grooves of the positioning template are used to clamp the two ends of the guardrail to be polished, the fitting degree of the guardrail when clamped is better, and the positioning template with the required shape clamping groove can be selected according to the shape requirement of the guardrail to be polished to be assembled on the first mounting plate and the second mounting plate, so that the guardrail formed by welding the rods with various shapes such as round rods and square rods can be used.

[0009] Specifically, a servo reduction motor is mounted on the side of the fixed frame away from the first mounting plate, and the driving end of the servo reduction motor is mounted on the first mounting plate.

[0010] By adopting the above technical scheme, the servo reduction motor is arranged to drive the rotation of the first mounting plate, so that the guardrail clamped between the positioning template of the first mounting plate and the positioning template of the second mounting plate can be turned and displaced, so as to better adapt to the polishing operation requirement of the polishing operator.

[0011] Specifically, an electric push rod is mounted on the side of the movable frame away from the second mounting plate, and the output end of the electric push rod is rotationally connected to the second mounting plate through a bearing.

[0012] By adopting the above technical scheme, the electric push rod is arranged to push the second mounting plate, so as to further change the distance between the second mounting plate and the first mounting plate, so that the clamping stability of the guardrail between the two groups of positioning templates is better.

[0013] Specifically, a lead screw is arranged between the sliding rails, the lead screw is rotationally connected to the hanging plate at both ends through bearings, a lead block is mounted on the top of the movable frame, the lead screw is threadedly connected to the lead block, a servo motor is mounted on the end of the hanging plate away from the fixed frame, and the driving end of the servo motor is connected to the rotating shaft of the lead screw.

[0014] By adopting the above technical scheme, the movable frame can be threadedly moved on the lead screw based on the lead block after the lead screw is driven to rotate by the servo motor, so as to adjust the distance between the fixed frame and the movable frame, so as to meet the clamping requirements of guardrails with various lengths and widths.

[0015] The beneficial effects of this utility model are as follows: The assembly, consisting of a hanging plate, a fixed frame, a moving frame, and a positioning template, provides a lifting fixture for grinding weld seams on guardrails, compatible with lifting equipment. After assembling lifting equipment such as electric hoists and overhead cranes in the work area, the guardrail can be clamped and lifted by this fixture, allowing it to reach the height required for personnel operation. The fixture can also be flipped and repositioned, enabling grinding personnel to grind the weld seams more conveniently from different angles. This improves the convenience and flexibility of grinding, effectively reducing the need for workers to squat or bend over, thus enhancing the ease of grinding and improving efficiency. It also solves the problem that existing guardrail grinding methods require workers to support the guardrail only through the ground or a table in the work area, often necessitating bending or squatting, leading to worker fatigue and low efficiency. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0017] Figure 1 This is a schematic diagram of the overall design of this utility model;

[0018] Figure 2 For the present utility model Figure 1 Enlarged view of point A in the middle;

[0019] Figure 3 For the present utility model Figure 1 Enlarged view of point B in the middle;

[0020] In the diagram: Hanging plate 1, fixed frame 11, first mounting plate 111, servo reduction motor 112, moving frame 12, second mounting plate 121, electric push rod 122, hanging buckle 13, slide rail 14, lead screw 15, lead block 16, servo motor 17, positioning template 2, and slot 21. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0022] like Figures 1-3 As shown, the guardrail processing weld grinding fixture of this utility model includes a hanging plate 1, a fixed frame 11, a movable frame 12 and a positioning template 2. A hanging buckle 13 is fixedly installed at the top corner of the hanging plate 1. The fixed frame 11 and the movable frame 12 are respectively installed at the bottom ends of the hanging plate 1, and the top of the fixed frame 11 is fixedly connected to the hanging plate 1. Slide rails 14 are respectively installed on both sides of the bottom of the hanging plate 1, and the top of the movable frame 12 is slidably connected to the slide rails 14.

[0023] In use, the lifting fixture is provided for the polishing operation of the welding seam of the guardrail by the lifting plate 1, the fixed frame 11, the movable frame 12 and the positioning template 2, and the guardrail after clamping can be turned and positioned, so that the high-fatigue posture polishing operation of workers such as squatting and bending is effectively reduced, the polishing personnel is facilitated to polish the guardrail, and the polishing efficiency of the guardrail is improved.

[0024] The utility model also includes, one side bottom of fixed frame 11 and one side bottom of movable frame 12 are provided with first mounting plate 111 and second mounting plate 121 respectively, first mounting plate 111 and second mounting plate 121 are oppositely arranged between, the side of first mounting plate 111 away from second mounting plate 121 is rotatably connected with fixed frame 11 through bearing, positioning template 2 is provided with at least a group, and is installed on first mounting plate 111 and second mounting plate 121 through bolt, the one side of positioning template 2 is provided with clamping groove 21 for the guardrail clamping.

[0025] In use, the positioning template 2 on the first mounting plate 111 and the second mounting plate 121 is arranged, the clamping groove 21 of the positioning template 2 is used to clamp the two ends of the guardrail to be polished, so that the fitting degree of the guardrail when clamped is better, and the positioning template 2 with the required shape clamping groove 21 can be selected and assembled on the first mounting plate 111 and the second mounting plate 121 according to the shape requirement of the guardrail, so that the guardrail formed by welding the rod of round, square and other shapes can be used.

[0026] The positioning template 2 on the first mounting plate 111 and the second mounting plate 121 can be installed and disassembled through bolts, so that adjustment and replacement according to different types of guardrails can be facilitated.

[0027] The utility model also includes, the side of fixed frame 11 away from first mounting plate 111 is installed with servo reduction motor 112, and the drive end of servo reduction motor 112 is installed with first mounting plate 111.

[0028] In use, based on the arrangement of the servo reduction motor 112, the first mounting plate 111 can be driven to rotate, so that the guardrail clamped between the positioning template 2 of the first mounting plate 111 and the positioning template 2 of the second mounting plate 121 can be turned and positioned, so as to better adapt to the polishing operation requirement of the polishing operator.

[0029] The utility model also includes, the side of movable frame 12 away from second mounting plate 121 is installed with electric push rod 122, and the output end of electric push rod 122 is rotatably connected with second mounting plate 121 through bearing.

[0030] In use, the electric push rod 122 can be used to push the second mounting plate 121 to further change the distance between the second mounting plate 121 and the first mounting plate 111, so that the guardrail is better clamped between the two sets of positioning templates 2.

[0031] This utility model also includes a lead screw 15 disposed between the slide rails 14, the two ends of the lead screw 15 being rotatably connected to the hanging plate 1 via bearings, a lead block 16 being installed on the top of the moving frame 12, the lead screw 15 being threadedly connected to the lead block 16, and a servo motor 17 being installed on the end of the hanging plate 1 away from the fixed frame 11, the drive end of the servo motor 17 being connected to the rotation shaft of the lead screw 15.

[0032] In use, based on the setting of lead screw 15 and lead block 16, after the lead screw 15 is driven to rotate by servo motor 17, the moving frame 12 can move on the lead screw 15 based on the thread of lead block 16, thereby realizing the adjustment of the usage distance between fixed frame 11 and moving frame 12 to meet the use of guardrail clamping of various lengths and widths.

[0033] In use, this utility model is assembled with the lifting equipment in the work site via the hook 13, enabling it to work in conjunction with the lifting equipment. The power supply components in the work site provide power to the electrical components of this application. During grinding, the guardrail is placed between the positioning templates 2 of the first mounting plate 111 and the second mounting plate 121. The positioning templates 2 on the first mounting plate 111 and the second mounting plate 121 provide clamping and limiting for both ends of the guardrail. The guardrail is secured by the slots 21 of the positioning templates 2. During use, the positioning templates 2 with the required shapes of slots 21 can be replaced to assemble the guardrail onto the first mounting plate 111 and the second mounting plate 121 according to the needs of the guardrail. The servo motor 17 drives the lead screw 15 to rotate, and the moving frame 12 moves threadedly on the lead screw 15 based on the screw block 16, thereby adjusting the working distance between the fixed frame 11 and the moving frame 12, thus achieving the first mounting... The positioning templates 2 on the mounting plate 111 and the second mounting plate 121 clamp the guardrail. During this process, the second mounting plate 121 can be pushed by the electric push rod 122 to further change the distance between the second mounting plate 121 and the first mounting plate 111, so that the guardrail is more stable when clamped between the two sets of positioning templates 2. Then, the grinding personnel can lift the application to the required working height by the lifting equipment, and drive the first mounting plate 111 to rotate by the servo reduction motor 112, so that the guardrail clamped between the positioning templates 2 of the first mounting plate 111 and the positioning templates 2 of the second mounting plate 121 can be flipped and repositioned to better adapt to the grinding operation needs of the grinding operators. This helps the grinding personnel to grind the weld from different angles more conveniently, improves the convenience and flexibility of grinding, and effectively reduces the grinding operation with high fatigue postures such as squatting and bending over.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The descriptions of the above embodiments and specifications are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A jig for grinding weld seams in guardrail processing, characterized in that, It includes a hanging plate (1), a fixed frame (11), a movable frame (12) and a positioning template (2). A hanging buckle (13) is fixedly installed at the top corner of the hanging plate (1). The fixed frame (11) and the movable frame (12) are respectively installed at the bottom ends of the hanging plate (1), and the top of the fixed frame (11) is fixedly connected to the hanging plate (1). Slide rails (14) are respectively installed on both sides of the bottom of the hanging plate (1), and the top of the movable frame (12) is slidably connected to the slide rails (14).

2. The guardrail processing weld grinding fixture according to claim 1, characterized in that, The bottom of one side of the fixed frame (11) and the bottom of one side of the movable frame (12) are respectively provided with a first mounting plate (111) and a second mounting plate (121). The first mounting plate (111) and the second mounting plate (121) are arranged facing each other. The side of the first mounting plate (111) away from the second mounting plate (121) is rotatably connected to the fixed frame (11) through a bearing. At least one set of positioning templates (2) is provided and is installed on the first mounting plate (111) and the second mounting plate (121) by bolts. A slot (21) for the guardrail to be inserted is opened on one side of the positioning template (2).

3. The guardrail processing weld grinding fixture according to claim 2, characterized in that, A servo geared motor (112) is installed on the side of the fixed frame (11) away from the first mounting plate (111), and the drive end of the servo geared motor (112) is installed with the first mounting plate (111).

4. The guardrail processing weld grinding fixture according to claim 3, characterized in that, An electric push rod (122) is installed on the side of the moving frame (12) away from the second mounting plate (121), and the output end of the electric push rod (122) is rotatably connected to the second mounting plate (121) through a bearing.

5. A jig for grinding weld seams in guardrail processing according to claim 4, characterized in that, A lead screw (15) is provided between the slide rails (14). The two ends of the lead screw (15) are rotatably connected to the hanging plate (1) through bearings. A screw block (16) is installed on the top of the moving frame (12). The lead screw (15) and the screw block (16) are threadedly connected. A servo motor (17) is installed at the end of the hanging plate (1) away from the fixed frame (11). The drive end of the servo motor (17) is connected to the rotating shaft of the lead screw (15).