Pipe bending device for construction site
By designing a construction site bending device including a mounting frame, an active bending roller, an driven bending roller and an adjustment mechanism, the problems of complex pipe bending operations and serious deformation at bending sites in the prior art are solved, and flexible processing and efficient production of bending pipes are achieved.
Patent Information
- Application Number
- CN202510119069.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2025-04-18
AI Technical Summary
During the construction of intelligent building systems, existing pipe bending devices are complex and difficult to achieve flexible pipe bending operations, resulting in serious deformation at the bending points, thinning and cracking of pipe walls.
A construction site pipe bending device is designed, including a mounting frame, an active pipe bending roller, an driven pipe bending roller and an adjustment mechanism. The active pipe bending roller is driven by the rotating handle, and combined with the adjustment mechanism to adjust the height of the active pipe bending roller, the flexible processing of the pipe bending is achieved.
The device can easily achieve pipe bending processing at the construction site, adjust the bending degree of the bend, meet different needs, and avoid deformation at the bend and thinning problems of pipe walls.
Smart Images
Figure CN119839119A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of construction equipment, and more specifically, to a pipe bending device at a construction site. Background Art
[0002] During the construction of intelligent building systems, it is often necessary to bend square tubes and round tubes. The existing equipment used for bending operations is relatively complex, so it is used in fixed positions.
[0003] However, laying of steel bars / steel pipes requires a large area. When bending operations are required temporarily, long-distance round trips are time-consuming. Operators may use more brutal methods to perform bending operations, resulting in severe flattening of the arc (elliptical), excessive thinning of the pipe wall on the outside of the arc, bending and cracking on the outside of the arc, and wrinkling on the inside of the arc. Summary of the invention
[0004] In view of this, an object of the present invention is to provide a construction site pipe bending device, aiming to solve the problems existing in the prior art.
[0005] According to the present invention, a construction site pipe bending device is provided, which comprises a mounting frame, an active pipe bending roller, a driven pipe bending roller and an adjusting mechanism; wherein: A slide groove is provided in the middle of the mounting frame in the vertical direction, and a movable plate is slidably arranged in the slide groove; The top of the mounting frame is provided with the adjusting mechanism, the adjusting mechanism is connected to the movable plate, and the adjusting mechanism is used to drive the movable plate to move up and down in the vertical direction; The active tube bending roller is arranged on the movable plate, and a rotating crank is arranged on the active tube bending roller; The two driven pipe bending rollers are arranged on the mounting frame at intervals in the horizontal direction, and the two driven pipe bending rollers are symmetrically arranged on both sides of the active pipe bending roller.
[0006] Preferably, the mounting frame includes a mounting base plate and a mounting vertical plate, the mounting vertical plate is vertically connected to the mounting base plate, the slide groove is arranged on the mounting vertical plate, the adjustment mechanism is arranged on the top of the mounting vertical plate, and the driven pipe bending roller is arranged on the mounting vertical plate.
[0007] Preferably, the adjustment mechanism includes a rotating shaft, a rotating ring and a turning handle. The rotating ring is fixedly connected to the top of the mounting frame and is located directly above the slide groove. An internal thread is provided in the rotating ring, and an external thread matching the internal thread is provided on the rotating shaft. The rotating shaft is screwed to the rotating ring, the lower end of the rotating shaft is rotatably connected to the movable plate, and the turning handle is fixedly connected to the upper end of the rotating shaft.
[0008] Preferably, a circular connecting plate is provided at the lower end of the rotating shaft, a connecting groove is provided at the upper end of the movable plate, and the lower end of the rotating shaft is rotatably connected in the connecting groove of the movable plate through the circular connecting plate.
[0009] Preferably, both ends of the movable plate are detachably connected with sealing plates.
[0010] Preferably, the rotating crank comprises a crank rod and a rotating handle, the rotating handle is rotatably connected to the first end of the crank rod, and the second end of the crank rod is fixedly connected to the active pipe bending roller.
[0011] Preferably, the active pipe bending roller comprises an active fixed shaft and an active rotating roller, the active rotating roller is rotatably connected to the active fixed shaft, and the active fixed shaft is fixedly connected to the movable plate; The driven pipe bending roller comprises a driven fixed shaft and a driven rotating roller, the driven rotating roller is rotatably connected to the driven fixed shaft, and the driven fixed shaft is fixedly connected to the mounting frame.
[0012] Preferably, a fixed flange plate is provided at the outer end of the active rotating roller, and a connecting flange plate is provided at the second end of the crank rod of the rotating crank, and the connecting flange plate is fixedly connected to the fixed flange plate by a plurality of bolts.
[0013] Preferably, two side plates are vertically arranged on one side of the mounting frame, and a group of spare pipe bending rollers are detachably connected to the two side plates, and each group of spare pipe bending rollers includes an active spare pipe bending roller and two driven spare pipe bending rollers.
[0014] Preferably, the middle of the roller body of the active standby pipe bending roller and the middle of the roller body of the driven standby pipe bending roller are respectively provided with an annular groove; The sizes of the annular grooves on the roller bodies of the two groups of spare pipe bending rollers are different.
[0015] The construction site pipe bending device provided by the present invention can place a square pipe or a round pipe between an active pipe bending roller and two driven pipe bending rollers, and can easily realize pipe bending processing on the construction site by turning a crank to drive the active pipe bending roller to rotate; the adjustment mechanism arranged on the mounting frame can adjust the height of the active pipe bending roller, thereby adjusting the curvature of the pipe bending processing to meet various pipe bending requirements on the construction site. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The above and other objects, features and advantages of the present invention will become more apparent through the following description of the embodiments of the present invention with reference to the accompanying drawings.
[0017] Figures 1 to 3 They are schematic diagrams of the three-dimensional structure of the construction site pipe bending device according to an embodiment of the present invention when viewed from different directions.
[0018] Figure 4 A schematic diagram of the three-dimensional structure of the construction site pipe bending device according to an embodiment of the present invention when the sealing plate is removed is shown.
[0019] In the figure: 1. mounting frame; 11. mounting vertical plate; 111. slide groove; 12. mounting bottom plate; 13. side plate; 2. adjusting mechanism; 21. rotating shaft; 22. rotating ring; 23. turning handle; 24. circular connecting plate; 3. driven pipe bending roller; 31. driven fixed shaft; 32. driven rotating roller; 4. active pipe bending roller; 41. active fixed shaft; 42. active rotating roller; 43. fixed flange plate; 5. rotating crank; 51. crank rod; 52. rotating handle; 53. connecting flange plate; 61. active spare pipe bending roller; 62. driven spare pipe bending roller; 7. movable plate; 71. connecting groove; 8. sealing plate; 9. square tube. DETAILED DESCRIPTION
[0020] Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. In each of the accompanying drawings, the same elements are represented by the same or similar reference numerals. For the sake of clarity, the various parts in the accompanying drawings are not drawn to scale.
[0021] The present invention provides a construction site pipe bending device, see Figures 1 to 4 The construction site pipe bending device includes a mounting frame 1, an active pipe bending roller 4, a driven pipe bending roller 3 and an adjusting mechanism 2; wherein a slide groove 111 is provided in the middle of the mounting frame 1 in the vertical direction, and a movable plate 7 is slidably arranged in the slide groove 111; the adjusting mechanism 2 is provided on the top of the mounting frame 1, and the adjusting mechanism 2 is connected to the movable plate 7, and the adjusting mechanism 2 is used to drive the movable plate 7 to move up and down in the vertical direction; the active pipe bending roller 4 is arranged on the movable plate 7, and a rotating crank 5 is provided on the active pipe bending roller 4; the two driven pipe bending rollers 3 are arranged on the mounting frame 1 at intervals in the horizontal direction, and the two driven pipe bending rollers 3 are symmetrically arranged on both sides of the active pipe bending roller 4.
[0022] Specifically, the mounting frame 1 includes a mounting base plate 12 and a mounting vertical plate 11, the mounting vertical plate 11 is vertically connected to the mounting base plate 12, the slide groove 111 is arranged on the mounting vertical plate 11, the adjustment mechanism 2 is arranged on the top of the mounting vertical plate 11, and the driven pipe bending roller 3 is arranged on the mounting vertical plate 11. In this embodiment, the mounting vertical plate 11 is a "convex"-shaped structure as a whole, and two driven pipe bending rollers 3 are arranged at the two ends of the lower part of the mounting vertical plate 11 of the "convex"-shaped structure. Bolt holes are opened on the mounting base plate 12, and the mounting base plate 12 can be fixed to the bracket by bolts, or fixed to the bottom surface of the construction site by expansion bolts.
[0023] When the construction site pipe bending device is used, the square pipe 9 or round pipe to be bent is placed between the active pipe bending roller 4 and the two driven pipe bending rollers 3, the height position of the active pipe bending roller 4 is adjusted by the adjusting mechanism 2, and then the active pipe bending roller 4 is driven to rotate by manually turning the crank 5, and then the square pipe 9 or round pipe is bent. During the bending process of the square pipe 9 or round pipe, the height of the active pipe bending roller 4 can be continuously adjusted by the adjusting mechanism 2, so that the square pipe 9 or round pipe finally reaches a curvature that meets the requirements.
[0024] The adjustment mechanism 2 includes a rotating shaft 21, a rotating ring 22 and a turning handle 23. The rotating ring 22 is fixedly connected to the top of the mounting frame 1 and is located directly above the slide slot 111. An internal thread is provided in the rotating ring 22, and an external thread matching the internal thread is provided on the rotating shaft 21. The rotating shaft 21 is screwed on the rotating ring 22, and the lower end of the rotating shaft 21 is rotatably connected to the movable plate 7, and the turning handle 23 is fixedly connected to the upper end of the rotating shaft 21. Among them, a circular connecting plate 24 is provided at the lower end of the rotating shaft 21, and a connecting groove 71 is provided at the upper end of the movable plate 7. The lower end of the rotating shaft 21 is rotatably connected to the connecting groove 71 of the movable plate 7 through the circular connecting plate 24. In this embodiment, the turning handle 23 is a "cross" structure. By turning the handle 23, the rotating shaft 21 can be driven to rotate. Since the rotating shaft 21 is screwed on the rotating ring 22, the rotating shaft 21 can be moved up and down, thereby driving the movable plate 7 and the active pipe bending roller 4 set on the movable plate 7 to move up and down. In this embodiment, the groove on the movable plate 7 is a "convex"-shaped structure so that the circular connecting plate 24 at the lower end of the rotating shaft 21 will not fall out of the groove. The two ends of the movable plate 7 are detachably connected to the sealing plate 8 by bolts. The sealing plate 8 can block the two ends of the groove of the movable plate 7 so that the circular connecting plate 24 at the lower end of the rotating shaft 21 will not fall out of the two sides of the movable plate 7.
[0025] Furthermore, the rotating crank 5 includes a crank rod 51 and a rotating handle 52 , the rotating handle 52 is rotatably connected to a first end of the crank rod 51 , and the second end of the crank rod 51 is fixedly connected to the active pipe bending roller 4 .
[0026] Furthermore, the active pipe bending roller 4 includes an active fixed shaft 41 and an active rotating roller 42, the active rotating roller 42 is rotatably connected to the active fixed shaft 41, and the active fixed shaft 41 is fixedly connected to the movable plate 7; the driven pipe bending roller 3 includes a driven fixed shaft 31 and a driven rotating roller 32, the driven rotating roller 32 is rotatably connected to the driven fixed shaft 31, and the driven fixed shaft 31 is fixedly connected to the mounting frame 1. In this embodiment, the active pipe bending roller 4 and the driven pipe bending roller 3 are respectively detachably connected to the mounting vertical plate 11, so that they can be replaced to meet different pipe bending requirements. In specific implementation, the end of the active fixed shaft 41 of the active pipe bending roller 4 and the end of the driven fixed shaft 31 of the driven pipe bending roller 3 can be provided with a screw and nut fixing structure, and connected to the mounting vertical plate 11 through the screw and nut fixing structure.
[0027] Furthermore, a fixed flange plate 43 is provided at the outer end of the active roller 42, and a connecting flange plate 53 is provided at the second end of the crank rod 51 of the rotating crank 5, and the connecting flange plate 53 is fixedly connected to the fixed flange plate 43 by a plurality of bolts. In this embodiment, two clamping protrusions are provided on the fixed flange plate 43, and two clamping grooves matching the clamping protrusions are provided on the connecting flange plate 53, and the clamping grooves of the connecting flange plate 53 are clamped on the clamping protrusions of the fixed flange plate 43, so as to facilitate the rapid alignment and positioning of the bolt holes on the connecting flange plate 53 and the threaded holes on the fixed flange plate 43, and also provide sufficient supporting force to prevent the bolts from being damaged due to excessive torque when the rotating crank 5 is shaken.
[0028] Furthermore, two side plates 13 are vertically arranged on one side of the mounting frame 1, and a group of spare bending rollers are detachably connected to the two side plates 13, and each group of spare bending rollers includes an active spare bending roller 61 and two driven spare bending rollers 62. Among them, an annular groove is respectively arranged in the middle of the roller body of the active spare bending roller 61 and the middle of the roller body of the driven spare bending roller 62; the sizes of the annular grooves on the roller bodies of the two groups of spare bending rollers are different. In this embodiment, the roller bodies of the active bending roller 4 and the driven bending roller 3 installed on the mounting vertical plate 11 are smooth surfaces, which can be used for bending square tubes; annular grooves are arranged on the roller bodies of the two groups of spare bending rollers, which can be used for bending round tubes of different diameters. When used, the active bending roller 4 and the driven bending roller 3 on the mounting vertical plate 11 can be removed, and the active standby bending roller 61 and the driven standby bending roller 62 can be replaced for use.
[0029] In summary, the construction site pipe bending device provided by the present invention can place square pipes or round pipes between an active pipe bending roller and two driven pipe bending rollers, and can easily realize pipe bending processing on the construction site by turning a crank to drive the active pipe bending rollers to rotate; the adjustment mechanism arranged on the mounting frame can adjust the height of the active pipe bending rollers, thereby adjusting the curvature of the pipe bending processing to meet various pipe bending requirements on the construction site.
[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.
[0031] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.
Claims
1. A construction site pipe bending device, characterized in that: It includes a mounting frame, an active pipe bending roller, a driven pipe bending roller and an adjusting mechanism; wherein, A slide groove is provided in the middle of the mounting frame in the vertical direction, and a movable plate is slidably arranged in the slide groove; The top of the mounting frame is provided with the adjusting mechanism, the adjusting mechanism is connected to the movable plate, and the adjusting mechanism is used to drive the movable plate to move up and down in the vertical direction; The active tube bending roller is arranged on the movable plate, and a rotating crank is arranged on the active tube bending roller; The two driven pipe bending rollers are arranged on the mounting frame at intervals in the horizontal direction, and the two driven pipe bending rollers are symmetrically arranged on both sides of the active pipe bending roller.
2. The construction site pipe bending device according to claim 1, characterized in that: The mounting frame includes a mounting base plate and a mounting vertical plate, the mounting vertical plate is vertically connected to the mounting base plate, the slide groove is arranged on the mounting vertical plate, the adjustment mechanism is arranged on the top of the mounting vertical plate, and the driven bending roller is arranged on the mounting vertical plate.
3. The construction site pipe bending device according to claim 1, characterized in that: The adjustment mechanism includes a rotating shaft, a rotating ring and a turning handle. The rotating ring is fixedly connected to the top of the mounting frame and is located directly above the slide groove. An internal thread is arranged in the rotating ring, and an external thread matching the internal thread is arranged on the rotating shaft. The rotating shaft is screwed on the rotating ring, and the lower end of the rotating shaft is rotatably connected to the movable plate, and the turning handle is fixedly connected to the upper end of the rotating shaft.
4. The construction site pipe bending device according to claim 3, characterized in that: A circular connecting plate is disposed at the lower end of the rotating shaft, a connecting groove is disposed at the upper end of the movable plate, and the lower end of the rotating shaft is rotatably connected in the connecting groove of the movable plate through the circular connecting plate.
5. The construction site pipe bending device according to claim 4, characterized in that: Both ends of the movable plate are detachably connected with sealing plates.
6. The construction site pipe bending device according to claim 1, characterized in that: The rotating crank comprises a crank rod and a rotating handle, wherein the rotating handle is rotatably connected to a first end of the crank rod, and a second end of the crank rod is fixedly connected to the active pipe bending roller.
7. The construction site pipe bending device according to claim 6, characterized in that: The active pipe bending roller comprises an active fixed shaft and an active rotating roller, the active rotating roller is rotatably connected to the active fixed shaft, and the active fixed shaft is fixedly connected to the movable plate; The driven pipe bending roller comprises a driven fixed shaft and a driven rotating roller, the driven rotating roller is rotatably connected to the driven fixed shaft, and the driven fixed shaft is fixedly connected to the mounting frame.
8. The construction site pipe bending device according to claim 7, characterized in that: The outer end of the active rotating roller is provided with a fixed flange plate, and the second end of the crank rod of the rotating crank is provided with a connecting flange plate, and the connecting flange plate is fixedly connected to the fixed flange plate by a plurality of bolts.
9. The construction site pipe bending device according to claim 1, characterized in that: Two side plates are vertically arranged on one side of the mounting frame, and a group of spare pipe bending rollers are detachably connected to the two side plates, and each group of spare pipe bending rollers includes an active spare pipe bending roller and two driven spare pipe bending rollers.
10. The construction site pipe bending device according to claim 9, characterized in that: The middle part of the roller body of the active standby pipe bending roller and the middle part of the roller body of the driven standby pipe bending roller are respectively provided with an annular groove; The sizes of the annular grooves on the roller bodies of the two groups of spare pipe bending rollers are different.