A road pipe cutting device used in highway construction
By designing an automated road pipe cutting device, which utilizes a motor-driven lead screw and a clamping and rotating mechanism combined with a laser cutting tool, the problems of low safety and poor precision in road pipe cutting during highway construction have been solved, achieving a cutting effect with high safety and high precision.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XIANFENG COUNTY ZHENYAN CONSTRUCTION CO LTD
- Filing Date
- 2025-06-21
- Publication Date
- 2026-07-31
AI Technical Summary
The existing road pipe cutting devices used in highway construction have low safety and poor cutting accuracy. There are safety hazards when personnel operate the cutting machine by hand, and the cross-section of the road pipe after cutting is uneven.
A pipeline cutting device was designed, comprising a base, a translational transport mechanism, a clamping and rotating mechanism, and a vertical cutting mechanism. It utilizes a motor-driven lead screw and the lead screw to move the moving block and the clamping and rotating mechanism, combined with a laser cutting tool, to achieve automated and rotary cutting of pipelines.
This improves the safety and precision of the cutting process, avoids close-range operation by personnel, and ensures a flat pipe cross-section after cutting.
Smart Images

Figure CN224574923U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of road pipe cutting device used in highway construction. Background Technology
[0002] A pipe cutting device is a piece of equipment used in highway construction. Its function is to cut pipes used in road construction or maintenance. This device can cut pipes to a size flush with the road surface, ensuring smooth construction and a level road surface. Typically, a pipe cutting device consists of specialized cutting tools, a hydraulic system, and a control system, allowing for precise cutting of buried pipes as needed. This device effectively solves the problem of the relationship between buried pipes and road construction, ensuring the quality and safety of road construction.
[0003] Currently, cutting machines are used to cut road pipes during highway construction. Personnel need to hold the cutting machine to cut the road pipes, so when using it, the personnel are very close to the cutting blade, and their body parts can easily come into contact with the blade accidentally. At the same time, the blade may break and fly out during cutting, resulting in low safety. When personnel hold the cutting machine to cut, the road pipe lacks precise fixing fixtures, so the cross-section of the cut road pipe will be uneven, resulting in low cutting accuracy. Utility Model Content
[0004] The purpose of this invention is to provide a road pipe cutting device for highway construction, so as to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a road pipe cutting device for highway construction, comprising a base located at the bottom of the entire device, a translational transport mechanism installed on the top of the base, a stop block fixedly installed on the side end of the base, a clamping and rotating mechanism installed near the stop block on the translational transport mechanism, and a vertical cutting mechanism installed on the side end of the base away from the stop block.
[0006] As a preferred technical solution of this utility model, the translational transport mechanism includes an installation groove formed on the top of the base, a first motor is fixedly installed at the end of the installation groove, a first lead screw is installed at the output end of the first motor, the first lead screw is rotatably connected to the two side walls of the installation groove through bearings, and multiple sets of moving blocks are equidistantly threaded on the first lead screw.
[0007] As a preferred technical solution of this utility model, an installation plate is fixedly installed on the top of the movable block, and slide bars are fixedly installed on both sides of the top of the base located in the installation groove. The bottom of both ends of the installation plate is provided with slide grooves and slide bars are slidably connected. The top of the installation plate is installed with first rollers near both ends by rotating parts.
[0008] As a preferred technical solution of this utility model, the slide bar is slidably connected to the U-shaped bracket on the clamping and rotating mechanism near the stop block. A cylinder is fixedly installed in the middle of the crossbar of the U-shaped bracket. The U-shaped bracket has grooves on both sides of the cylinder. The grooves are slidably connected to the conical plate. The output end of the cylinder is upward and connected to the middle of the conical plate through a piston rod. A second roller is installed on the top of the conical plate through a rotating component. The second roller is installed on the output end of the second motor through a rotating shaft.
[0009] As a preferred embodiment of this utility model, an L-shaped clamping rod is mounted on the top of the vertical plate of the U-shaped bracket via a rotating component. A third roller is mounted on the upper end of the L-shaped clamping rod via a rotating component, and a fourth roller is mounted on the lower end of the L-shaped clamping rod via a rotating component. The fourth roller is tactilely connected to the inclined surface of the conical plate, and a spring is fixedly connected between the fourth rollers via a rotating component.
[0010] As a preferred embodiment of this utility model, the vertical cutting mechanism includes a support column fixedly installed on a base, a third motor fixedly installed on the top of the support column, a second lead screw installed downward at the output end of the third motor, the second lead screw passing through the mounting cavity inside the support column and rotatably connected by a bearing, a T-shaped block threadedly connected to the second lead screw, and a laser cutting tool fixedly installed below the end of the T-shaped block.
[0011] Compared with the prior art, the present invention has the following beneficial effects:
[0012] This device is equipped with a vertical cutting mechanism. A third motor drives a second lead screw to rotate, which in turn moves a T-block up and down, allowing the laser cutting tool to contact the pipe. Cutting is performed without close personnel involvement, making it convenient and safe. The device also includes a clamping and rotating mechanism. A cylinder drives a conical plate to rise, which in turn rotates an L-shaped clamping rod, which is then clamped by the second and third rollers. Simultaneously, the pipe remains horizontal with the support of the first roller. The second motor drives the second roller to rotate, thus rotating the pipe. Therefore, the pipe cross-section after rotary cutting is flat, resulting in excellent cutting precision. Attached Figure Description
[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0014] Figure 1This is a schematic diagram of the overall structure of a road pipe cutting device used in highway construction according to an embodiment of the present utility model;
[0015] Figure 2 According to this utility model Figure 1 Schematic diagram of the structure at point A;
[0016] Figure 3 According to this utility model Figure 1 A schematic diagram of the structure at point B.
[0017] Figure label:
[0018] 1. Base; 2. Translation and transport mechanism; 3. Stop block; 4. Clamping and rotating mechanism; 5. Vertical cutting mechanism; 6. Mounting slot; 7. First motor; 8. First lead screw; 9. Moving block; 10. Mounting plate; 11. Sliding bar; 12. Sliding groove; 13. First roller; 14. U-shaped bracket; 15. Cylinder; 16. Groove; 17. Conical plate; 18. Second roller; 19. Second motor; 20. L-shaped clamping rod; 21. Third roller; 22. Fourth roller; 23. Spring; 24. Support column; 25. Third motor; 26. Second lead screw; 27. T-block; 28. Laser cutting tool. Detailed Implementation
[0019] The utility model will now be further described with reference to the accompanying drawings and specific embodiments:
[0020] Please see Figure 1-3 According to an embodiment of the present utility model, a road pipe cutting device used in highway construction includes a base 1, which is located at the bottom of the entire device. A translational transport mechanism 2 is installed on the top of the base 1. A stop block 3 is fixedly installed on the side end of the base 1. A clamping and rotating mechanism 4 is installed on the translational transport mechanism 2 near the stop block 3. A vertical cutting mechanism 5 is installed on the side end of the base 1 away from the stop block 3.
[0021] The pipe is placed in the translational transport mechanism 2, then moved into the clamping and rotating mechanism 4, and finally moved close to the vertical cutting mechanism 5 for rotational cutting. The function of the stop block 3 is to limit the clamping and rotating mechanism 4.
[0022] In this embodiment, the translational transport mechanism 2 includes a mounting groove 6 opened on the top of the base 1. A first motor 7 is fixedly installed at the end of the mounting groove 6. A first lead screw 8 is installed at the output end of the first motor 7. The first lead screw 8 is rotatably connected to the two side walls of the mounting groove 6 through bearings. Multiple sets of moving blocks 9 are equidistantly threaded on the first lead screw 8.
[0023] The first motor 7 drives the first lead screw 8 to rotate, and the first lead screw 8 drives the moving block 9 to move.
[0024] In this embodiment, a mounting plate 10 is fixedly installed on the top of the movable block 9, and slide bars 11 are fixedly installed on both sides of the top of the base 1 located in the mounting groove 6. The bottom of both ends of the mounting plate 10 is provided with slide grooves 12 and slide bars 11 are slidably connected. The top of the mounting plate 10 is installed with first rollers 13 near both ends via rotating parts.
[0025] The movable block 9 drives the mounting plate 10 to move, the mounting plate 10 drives the first roller 13 to move, thereby driving the pipe to move, and the slide bar 11 limits the slide groove 12.
[0026] In this embodiment, the slide bar 11 is slidably connected to the U-shaped bracket 14 on the clamping and rotating mechanism 4 near the stop block 3. A cylinder 15 is fixedly installed in the middle of the crossbar of the U-shaped bracket 14. The U-shaped bracket 14 has grooves 16 on both sides of the cylinder 15. The grooves 16 are slidably connected to the conical plate 17. The output end of the cylinder 15 is upward and connected to the middle of the conical plate 17 through the piston rod. A second roller 18 is installed on the top of the conical plate 17 through a rotating component. The second roller 18 is installed on the output end of the second motor 19 through a rotating shaft.
[0027] In this system, cylinder 15 drives conical plate 17 to move upward, and second motor 19 drives second roller 18 to rotate, which in turn drives pipe to rotate.
[0028] In this embodiment, an L-shaped clamping rod 20 is mounted on the top of the vertical plate of the U-shaped bracket 14 via a rotating component. A third roller 21 is mounted on the upper end of the L-shaped clamping rod 20 via a rotating component, and a fourth roller 22 is mounted on the lower end of the L-shaped clamping rod 20 via a rotating component. The fourth roller 22 is rolled and connected to the inclined surface of the tapered plate 17. A spring 23 is fixedly connected between the fourth rollers 22 via a rotating component.
[0029] The tapered plate 17 moves upward, causing the fourth rollers 22 to move away from each other. As a result, the third rollers 21 at the top of the L-shaped clamping rod 20 move closer to each other, thus clamping the pipe. The spring 23 resets the position of the fourth rollers 22.
[0030] In this embodiment, the vertical cutting mechanism 5 includes a support column 24 fixedly installed on the base 1. A third motor 25 is fixedly installed on the top of the support column 24. A second lead screw 26 is installed downward at the output end of the third motor 25. The second lead screw 26 passes through the mounting cavity inside the support column 24 and is rotatably connected by a bearing. A T-block 27 is threadedly connected to the second lead screw 26. A laser cutting tool 28 is fixedly installed below the end of the T-block 27.
[0031] The third motor 25 drives the second lead screw 26 to rotate, the second lead screw 26 drives the T-block 27 to move down, and the T-block 27 drives the laser cutting tool 28 to contact the pipe.
[0032] In practical applications, the device is first placed on a flat surface using the base 1. Personnel then move the pipe or use equipment to hoist it onto the first roller 13. The first motor 7 is started to drive the first lead screw 8 to rotate. The first lead screw 8 drives the moving block 9 to move, which in turn drives the mounting plate 10 to move. The mounting plate 10 then drives the first roller 13 to move, thereby moving the pipe to the U-shaped bracket 14. The cylinder 15 is then started to drive the conical plate 17 to move upward. The upward movement of the conical plate 17 causes the fourth roller 22 to move away from each other, thus bringing the third roller 21 at the top of the L-shaped clamping rod 20 closer together, thereby clamping the pipe. The above operation is then repeated to move the pipe below the laser cutting tool 28. The third motor 25 is started to drive the second lead screw 26 to rotate. The second lead screw 26 drives the T-shaped block 27 to move downward. The T-shaped block 27 causes the laser cutting tool 28 to contact the pipe, and then the cutting operation is performed. At the same time, the second motor 19 is started to drive the second roller 18 to rotate, which in turn drives the pipe to rotate, achieving rotary cutting.
[0033] In the description of this utility model, it should be noted that the terms "top," "bottom," "one side," "the other side," "front," "back," "middle part," "inner," "top," and "bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "joined" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0034] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A road pipe cutting device for use in road construction, characterized by, Includes a base (1) located at the bottom of the entire device. A translational transport mechanism (2) is installed on the top of the base (1). A stop block (3) is fixedly installed on the side end of the base (1). A clamping and rotating mechanism (4) is installed near the stop block (3) on the translational transport mechanism (2). A vertical cutting mechanism (5) is installed on the side end of the base (1) away from the stop block (3).
2. A road pipe cutting device for use in road construction according to claim 1, characterized in that, The translational transport mechanism (2) includes an installation groove (6) opened on the top of the base (1). The first motor (7) is fixedly installed at the end of the installation groove (6). The output end of the first motor (7) is installed by a first lead screw (8). The first lead screw (8) is rotatably connected to the two side walls of the installation groove (6) through bearings. Multiple sets of moving blocks (9) are equidistantly threaded on the first lead screw (8).
3. A road pipe cutting device for use in road construction according to claim 2, characterized in that, The top of the movable block (9) is fixedly installed with an mounting plate (10), and the top of the base (1) is fixedly installed with slide bars (11) on both sides of the mounting groove (6). The bottom of both ends of the mounting plate (10) is provided with slide grooves (12) and slide bars (11) are slidably connected. The top of the mounting plate (10) is installed with first rollers (13) near both ends by rotating parts.
4. A road pipe cutting device for use in road construction according to claim 3, wherein The slide bar (11) is slidably connected to the U-shaped bracket (14) on the clamping and rotating mechanism (4) near the stop block (3). A cylinder (15) is fixedly installed in the middle of the crossbar of the U-shaped bracket (14). The U-shaped bracket (14) has grooves (16) on both sides of the cylinder (15). The grooves (16) are slidably connected to the conical plate (17). The output end of the cylinder (15) is upward and connected to the middle of the conical plate (17) through the piston rod. A second roller (18) is installed on the top of the conical plate (17) through a rotating part. The second roller (18) is installed on the output end of the second motor (19) through a rotating shaft.
5. A road tube cutting device for use in road construction according to claim 4, characterized in that The top of the vertical plate of the U-shaped bracket (14) is equipped with an L-shaped clamping rod (20) via a rotating component. The upper end of the L-shaped clamping rod (20) is equipped with a third roller (21) via a rotating component. The lower end of the L-shaped clamping rod (20) is equipped with a fourth roller (22) via a rotating component. The fourth roller (22) is rolled and connected to the inclined surface of the conical plate (17). The fourth rollers (22) are fixedly connected to each other via a rotating component and a spring (23).
6. The road pipe cutting device for road construction according to claim 1, wherein The vertical cutting mechanism (5) includes a support column (24) fixedly installed on the base (1). A third motor (25) is fixedly installed on the top of the support column (24). A second lead screw (26) is installed downward at the output end of the third motor (25). The second lead screw (26) passes through the mounting cavity inside the support column (24) and is rotatably connected by a bearing. A T-block (27) is threaded onto the second lead screw (26). A laser cutting tool (28) is fixedly installed below the end of the T-block (27).