Anti-collision guardrail deformation joint positioning dust-free cutting device
By designing a dust-free cutting device for positioning expansion joints of crash barriers, and adopting a slide rail and guide frame structure combined with a dust extraction pipe system, the problems of low cutting accuracy and unsafe operation of concrete guardrail expansion joints have been solved, achieving efficient, accurate and safe cutting results.
Patent Information
- Application Number
- CN202423236970.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Existing methods for cutting expansion joints in concrete guardrails suffer from low precision, unsafe operation, and the generation of large amounts of dust.
A dust-free cutting device for positioning expansion joints of crash barriers was designed. It adopts a slide rail and guide frame structure, combined with a dust suction pipe system, to ensure precise cutting and dust-free operation.
It achieves efficient, precise, and safe cutting results, reduces dust pollution, and improves construction efficiency and safety.
Smart Images

Figure CN223735181U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of deformation joint of crash barrier, specifically relates to deformation joint positioning dustless cutting device of crash barrier. BACKGROUND
[0002] Concrete guardrails are widely used in highways, bridges and other traffic safety facilities, and have the effect of protecting pedestrians and vehicles. However, with the wide application of concrete guardrails, the problem of concrete surface cracks is increasingly prominent, becoming one of the important factors affecting structural safety. These surface cracks can lead to more serious hazards in the later period, such as crack propagation, reduction of structural strength, etc. Therefore, after the construction of concrete guardrails is completed, the cutting of deformation joints needs to be carried out in a timely manner to eliminate early cracks and avoid greater harm to the structure in the future.
[0003] The current mainstream cutting method of deformation joint of concrete guardrail in the market mainly relies on manual operation. Due to the large difference in proficiency and skill of the operators, it will lead to problems such as non-uniformity and poor neatness of the cut seam; at the same time, the traditional cutting process will produce a large amount of dust during operation, not only polluting the working environment, but also possibly causing adverse effects on human health, especially the subsequent cleaning work frequently carried out during construction also increases the additional labor intensity and affects the construction efficiency. The existing detection and monitoring means are also relatively single, and it is difficult to achieve real-time and accurate measurement and positioning, often leading to low cutting efficiency and precision, or it is difficult to realize large-scale and efficient automatic construction.
[0004] Therefore, how to improve the precision and operation safety of deformation joint cutting has become a problem to be solved. SUMMARY
[0005] The dustless cutting device for positioning deformation joint of crash barrier provided by the utility model solves the problem of poor precision and operation safety of deformation joint cutting in the prior art.
[0006] In order to solve the above problems, the utility model provides a dustless cutting device for positioning deformation joint of crash barrier, comprising: a positioning frame, the positioning frame is symmetrically provided with a sliding rail, and a clamping groove frame is vertically welded at the bottom of the rear end of the sliding rail; a tool holder, which is movably installed on the sliding rail, the tool holder is provided with a guide frame, the guide frame is symmetrically provided with a guide pulley, the guide frame and the tool holder fixed frame are rotatable through the shaft hole, the shaft hole is fixedly installed on the tool holder fixed frame, the tool holder fixed frame is symmetrically provided with a pulley, the tool holder fixed frame is symmetrically provided with a handle, and the tool holder fixed frame is provided with a cutting machine mounting frame.
[0007] Through the above scheme, the slide rails are symmetrically arranged at both ends of the positioning frame and welded with the clamping groove frame, so that the cutting device is accurately and stably positioned, the cutter holder is slidably arranged on the slide rails and is provided with a guide frame and a guide pulley, so that the cutting process is more stable, the shaft hole on the cutter holder fixing frame is matched with rotation and pulley design, the flexibility of cutting is improved, and the cutting precision is ensured, the handle design makes the operation more convenient and safe, the problems of low cutting precision and poor operation safety in the prior art are solved, and efficient, accurate and safe cutting effect is realized.
[0008] According to one embodiment of the utility model, the slide rail is connected with the fixed frame through at least two connecting rods, the fixed frame is welded with the slide rail and the cross frame respectively, the cross frame is connected with the slide rail and the support frame respectively, through the above scheme, the slide rail is welded with the fixed frame and the cross frame, and is stably fixed by means of at least two connecting rods, so that the structural stability of the device and the cutting precision are effectively improved, and the reasonable connection of the slide rail, the cross frame and the support frame ensures the operation stability of the whole device, reduces the error and safety hazard in the cutting process, and greatly improves the accuracy and safety of cutting.
[0009] According to one embodiment of the utility model, a plurality of supports are vertically welded on one side of the slide rail close to the guardrail, through the above scheme, the positioning frame is supported, and a certain distance is maintained between the positioning frame and the anti-collision guardrail, so that the cutting machine and the matched dust suction pipe can be conveniently and safely installed and adjusted, the operation space is ensured, and the precision requirement of the cutting operation can be ensured.
[0010] According to one embodiment of the utility model, a footrest frame is installed at the bottom of the positioning frame, through the above scheme, the positioning frame holds the guardrail tightly as a whole, and the operation safety is effectively improved, and the error caused by unstable manual operation in the traditional cutting process is avoided.
[0011] According to one embodiment of the utility model, the slide rail, the fixed frame, the cross frame, the support frame and the clamping groove frame are all made of angle steel, through the above scheme, the angle steel is used for processing and manufacturing, the material is less, the manufacturing is easy, the overall weight is lighter, and one person can operate.
[0012] According to one embodiment of the utility model, the cutter holder fixing frame is further provided with a dust suction pipe mounting frame, through the above scheme, after the dust suction pipe is installed, the dust generated at the cutting seam is absorbed by using the dust collector, and is collected and treated by the storage bag, so that the air pollution caused by the dust is eliminated, and the construction personnel inhale the dust.
[0013] According to one embodiment of the utility model, the slide rail route is arranged to be consistent with the cutting deformation seam, so that accurate positioning and efficient cutting are further realized, and the problems caused by low cutting precision and unsafe operation in the prior art are solved.
[0014] According to one embodiment of the utility model, the cutting machine mounting frame sets up bolt locking device, is used to install cutting machine, ensures that cutting machine is installed firm, improves cutting precision.
[0015] The technical effect of the present application is:
[0016] (1) The anti-collision guard deformed joint positioning dust-free cutting device fixes the cutting machine on the tool holder, the tool holder is clamped on the two side slides and can slide up and down, the tool holder does not swing left and right, and only timely cutting force is needed according to the cutting blade cutting force condition to ensure the straightness of the joint.
[0017] (2) The cutting machine is fixed on the tool holder, and the operator can move up and down by holding the operating handle, which makes the cutting blade bear force evenly, and the operator does not directly contact the cutting machine, avoiding the cutting machine from slipping or the cutting blade from breaking and injuring the operator.
[0018] (3) The dust suction pipe is installed and fixed on the tool holder, the dust suction pipe is connected with the dust collector, the dust collector outlet is connected with the bag storage, and when cutting the joint, the dust collector is turned on to suck the dust into the bag storage, eliminating the diffusion of dust in the air, avoiding the operator from inhaling dust, and reducing air pollution.
[0019] (4) Compared with the traditional manual direct joint cutting, the cost of the anti-collision guard deformed joint positioning dust-free cutting device is mainly saved in the cutting speed, the economic benefit is improved, and the quality and safety of the positioning dust-free cutting device for construction deformed joint are greatly improved, which has high popularization value and application prospect. BRIEF DESCRIPTION OF DRAWINGS
[0020] Fig. 1 It is the overall structure schematic diagram of the anti-collision guard deformed joint positioning dust-free cutting device provided by the utility model.
[0021] Fig. 2 It is the front view state schematic diagram of the anti-collision guard deformed joint positioning dust-free cutting device provided by the utility model.
[0022] Fig. 3 It is the left view state schematic diagram of the positioning frame of the anti-collision guard deformed joint positioning dust-free cutting device provided by the utility model.
[0023] Fig. 4 It is the tool holder structure schematic diagram of the anti-collision guard deformed joint positioning dust-free cutting device provided by the utility model.
[0024] Explanation of reference signs:
[0025] 1, positioning frame; 101, slide rail; 102, fixed frame; 103, connecting rod; 104, cross frame; 105, support frame; 106, card slot frame; 107, support; 108, foot pedal frame;
[0026] 2, tool holder; 201, guide frame; 202, guide pulley; 203, shaft hole; 204, tool holder fixing frame; 205, pulley; 206, handle; 207, cutter mounting frame; 208, dust collection pipe mounting frame. DETAILED DESCRIPTION
[0027] The embodiments of the technical scheme of the present application will be described in detail below. The following embodiments are only used to more clearly illustrate the technical scheme of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application. Figs. 1-4 The embodiments of the technical scheme of the present application will be described in detail below. The following embodiments are only used to more clearly illustrate the technical scheme of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.
[0028] Embodiment one
[0029] The utility model provides a kind of anti-collision guardrail deformation joint positioning dust-free cutting device, comprising: positioning frame 1, positioning frame 1 is symmetrically provided with slide rail 101, the bottom of the rear end of slide rail 101 is vertically welded with card slot frame 106, slide rail 101 is connected with fixed frame 102 by at least 2 connecting rods 103, fixed frame 102 is respectively welded with slide rail 101 and cross frame 104 Connection, cross frame 104 is respectively connected with slide rail 101 and support frame 105, slide rail 101 is also vertically welded with several supports 107 on the side close to guardrail;
[0030] Through the above scheme, slide rail 101 is symmetrically arranged at both ends of positioning frame 1 and welded with card slot frame 106, and slide rail 101 is welded and connected with fixed frame 102 and cross frame 104, and is stably fixed by means of at least two connecting rods 103, which effectively improves the structural stability of the device and the cutting precision, and ensures that the cutting device is accurately and stably positioned.
[0031] Positioning frame 1 is installed with foot pedal frame 108 at the bottom, so that positioning frame 1 holds guardrail as a whole, effectively improves the operation safety, and avoids the error caused by unstable manual operation in traditional cutting process. Slide rail 101, fixed frame 102, cross frame 104, support frame 105 and card slot frame 106 are all made of angle steel, which is processed and manufactured by using angle steel used in daily life, with less material, easy to manufacture, and overall lighter weight, so that one person can operate. The route of slide rail 101 is set to be consistent with the cutting deformation joint, to further realize accurate positioning and efficient cutting, and solve the problems caused by low cutting precision and unsafe operation in the prior art. The bolt locking device is arranged on the cutter mounting frame 207 for mounting the cutting machine, to ensure that the cutting machine is stably mounted and improve the cutting precision.
[0032] The knife holder 2 is movably installed on the slide rail 101, and the knife holder 2 is provided with a guide frame 201, the guide frame 201 is symmetrically provided with a guide pulley 202, the guide frame 201 is rotatably connected with a knife holder fixing frame 204 through an axle hole 203, the axle hole 203 is fixedly installed on the knife holder fixing frame 204, the knife holder fixing frame 204 is symmetrically provided with a pulley 205, the knife holder fixing frame 204 is symmetrically provided with a handle 206, the knife holder fixing frame 204 is provided with a cutting machine mounting frame 207, and the knife holder fixing frame 204 is further provided with a dust suction pipe mounting frame 208;
[0033] Through the above scheme, the knife holder 2 is movably installed on the slide rail 101 and is provided with the guide frame 201 and the guide pulley 202, so that the cutting process is more stable, the axle hole 203 on the knife holder knife fixing frame 102 is rotatably connected, and the pulley 205 is designed, so that the flexibility of cutting is improved, and the cutting precision is ensured, the handle 206 is designed, so that the operation is more convenient and safe, the problems of low cutting precision and poor operation safety in the prior art are effectively solved, efficient, accurate and safe cutting effect is realized, the dust suction pipe is installed, the dust generated at the cutting seam is sucked by the dust collector, and the dust is collected and treated by the storage bag, the pollution of dust to the air is eliminated, and the construction personnel inhales the dust.
[0034] Working principle:
[0035] The height of the positioning frame 1 is consistent with the height of the guardrail, the route of the slide rail 101 is consistent with the deformed joint to be cut, when cutting the joint, the positioning frame 1 is placed on the guardrail, the cutting machine is fixed on the knife holder 2, the dust suction pipe is fixed on the knife holder 2, but not in contact with the knife edge, the knife holder is installed into the slide rail 101, the position of the positioning frame is adjusted to align the cutting machine with the position to be cut, when cutting, one foot is placed on the footrest 108 at the bottom of the positioning frame 1, so that the positioning frame 1 tightly holds the guardrail, the handle 206 is held, the knife holder is manually moved up and down, the deformed joint is cut, and the dust generated during cutting is sucked into the collecting bag by turning on the dust collector.
[0036] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. A dust-free cutting device for positioning the deformation joint of a crash barrier, characterized in that, Including: Positioning frame (1), the positioning frame (1) is symmetrically provided with slide rail (101), the slide rail (101) is vertically welded with card slot frame (106) at the bottom of rear end; Cutter holder (2) is movably installed on the slide rail (101), the cutter holder (2) is provided with guide frame (201), the guide frame (201) is symmetrically provided with guide pulley (202), the guide frame (201) is rotatable with cutter holder fixed frame (204) through shaft hole (203), the shaft hole (203) is fixedly installed on the cutter holder fixed frame (204), the cutter holder fixed frame (204) is symmetrically provided with pulley (205), the cutter holder fixed frame (204) is symmetrically provided with handle (206), the cutter holder fixed frame (204) is provided with cutting machine mounting frame (207).
2. The dust-free cutting device for positioning the deformation joint of the crash barrier according to claim 1, characterized in that, The slide rail (101) is connected with fixed frame (102) through at least two connecting rods (103), the fixed frame (102) is respectively welded with the slide rail (101) and cross frame (104), the cross frame (104) is respectively connected with the slide rail (101) and support frame (105).
3. The apparatus of claim 2, wherein the apparatus further comprises a dustless cutting device for cutting the deformed joint of the crash barrier. The slide rail (101) is also vertically welded with a plurality of supports (107) on the side close to the guardrail.
4. The apparatus of claim 3, wherein the apparatus further comprises a dustless cutting device for cutting the deformed joint of the crash barrier. The positioning frame (1) is provided with footrest (108) at the bottom.
5. The apparatus of claim 2, wherein: The slide rail (101), the fixed frame (102), the cross frame (104), the support frame (105), the card slot frame (106) are all made of angle steel.
6. The device of claim 1, wherein, The cutter holder fixed frame (204) is also provided with dust suction pipe mounting frame (208).
7. The device of claim 1, wherein the device is configured to cut the deformed seam of the crash barrier without generating dust. The route of the slide rail (101) is set to be consistent with the cutting deformation joint.
8. The device of claim 1, wherein, The cutting machine mounting frame (207) is provided with bolt locking device for installing cutting machine.