Compression roller of roundness correction machine for repairing PC pile steel pipe
By designing a pressure roller structure that can be quickly installed and disassembled, the problem of difficult pressure roller replacement in traditional PC pile straightening machines has been solved, enabling rapid replacement of the pressure roller body and adaptability to specifications, thereby improving work efficiency.
Patent Information
- Application Number
- CN202420163557.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-23
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-01-23
AI Technical Summary
The pressure rollers of traditional PC pile straightening machines need to be replaced according to different specifications of PC pile pipes, which is troublesome to install and disassemble and takes a long time.
A pressure roller structure that can be quickly installed and disassembled is designed. The pressure roller body can be quickly replaced by the cooperation of the rotating plate and the return spring. The replacement process of the pressure roller body is simplified by using the rotating handle and the interlocking of the irregular groove with the fixing nail.
It enables quick installation and disassembly of the pressure roller body, making it easy to replace pressure rollers of different specifications, saving time and manpower.
Smart Images

Figure CN222326310U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of rounding machines, and in particular relates to a pressing roller of a rounding machine for repairing a PC pile steel pipe. Background Art
[0002] The PC pile rounding machine is developed to solve the ovality deformation of PC pile tubes. When in use, the PC pile tubes that have been corrected and top concave are hoisted onto the V-shaped conveyor roller. The ends of the PC pile tubes are sent to the center of the four-roller rounding machine through the conveyor rollers. The roller spacing is adjusted in reverse according to the ovality of the tube ends, so that the PC pile tube body is extruded by the correction rollers to form a perfect arc.
[0003] However, the conventional device still has the following problems when used:
[0004] The arc surface of the roller of the PC pile rounding machine must match the outer diameter of the PC pile tube that needs to be corrected. That is to say, the roller molds used for PC pile tubes of different specifications are also different, and the roller needs to be replaced. The installation and disassembly of the roller of the existing device is relatively troublesome, and it takes a long time to replace the roller. Utility Model Content
[0005] In view of the deficiencies in the prior art, the utility model aims to provide a pressure roller for a rounding machine for repairing PC pile steel pipes, which has the advantages of being able to be quickly installed and disassembled and conveniently replaced.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pressure roller for a rounding machine for repairing PC pile steel pipes, comprising a support seat, wherein the top and both sides of the support seat are provided with circular channels whose inner walls are connected to each other, the inner wall of the circular channel is fixedly connected with a top pressure oil cylinder or a side pressure oil cylinder, the output ends of the top pressure oil cylinder and the side pressure oil cylinder are fixedly connected with a connecting seat, the inner wall of the connecting seat is fixedly connected with a connecting round block 1, the bottom outer wall of the connecting round block 1 is provided with a clamping groove, and the bottom outer wall of the connecting round block 1 is provided with a clamping groove. The wall is fixedly connected with a fixing nail, the inner wall of the connecting seat is movably connected with a pressure roller body, the outer wall of the pressure roller body at one end close to the connecting round block one is fixedly connected with a connecting round block two, the top outer wall of the connecting round block two is fixedly connected with a clamping ball, the inner wall of the connecting round block two is fixedly connected with an anti-slip piece, the top outer wall of the connecting round block two is provided with a circular groove, the top outer wall of the connecting round block two is movably connected with a rotating sheet, the top outer wall of the rotating sheet is provided with an irregular groove, and the side outer wall of the rotating sheet is fixedly connected with a rotating handle.
[0007] Preferably, the bottom diameter of the fixing nail is larger than the top diameter, the diameter of one side of the irregular groove is the same as the diameter of the circular groove and slightly larger than the top diameter of the fixing nail, and the diameter of the other side of the irregular groove is smaller than the top diameter of the fixing nail.
[0008] Preferably, the anti-slip component is snap-connected with a rotating plate, the rotating plate is provided with a circular hole with inner walls on both sides communicating with each other, the snap-connecting ball passes through the circular hole, and the diameter of the snap-connecting ball is adapted to the size of the snap-connecting groove.
[0009] Preferably, the outer wall of one end of the pressure roller body away from the connecting round block 2 is symmetrically provided with two grooves, and the top inner wall of the groove is fixedly connected with a sliding telescopic rod and a reset spring, the sliding telescopic rod is located inside the reset spring, and the end of the sliding telescopic rod away from the top inner wall of the groove is fixedly connected to the reset spring, and the inner wall of the connecting seat is symmetrically provided with two connecting grooves, and the size of the connecting grooves is adapted to the size of the reset spring.
[0010] Preferably, a bidirectional motor is fixedly connected to the side outer wall of the support seat, and the bidirectional motor is located below the side pressure cylinder. The output end of the bidirectional motor passes through the support seat and is fixedly connected to a rotating shaft. A transmission roller is movably connected to the outer wall of the rotating shaft, and hexagonal nuts are movably connected to both sides of the transmission roller, and the hexagonal nuts are threadedly connected to the rotating shaft.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. By turning the rotating handle, the rotating handle drives the rotating plate to rotate so that the part of the irregular groove whose diameter is smaller than the bottom diameter of the fixing nail is clamped with the top of the fixing nail, thereby completing the installation of the roller body. When it is necessary to replace the roller body of different sizes, the rotating handle is turned to align the part with the larger diameter of the irregular groove with the fixing nail for active connection. At this time, the roller body can be easily removed. The utility model can quickly install and disassemble the roller body through the setting of the rotating plate, which is convenient for replacing roller bodies of different specifications and saves time.
[0013] 2. The reset spring is reset to drive the sliding telescopic rod to stretch. The reset spring and the sliding telescopic rod are moved to the inside of the connecting groove and are engaged with the connecting groove to assist the installation of the pressure roller body and avoid displacement of the pressure roller body. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a front view of the utility model;
[0015] Figure 2 It is a side view of the utility model;
[0016] Figure 3 It is a schematic diagram of the structure of the utility model in the upper direction;
[0017] Figure 4 This is a schematic diagram of the structure of the rotating piece of the utility model;
[0018] Figure 5This is a structural schematic diagram of the utility model connecting the round block 1;
[0019] Figure 6 This is a schematic diagram of the structure of the connection groove of the utility model;
[0020] Figure 7 It is a schematic diagram of the enlarged structure at A in 1;
[0021] Figure 8 for Figure 3 A magnified schematic diagram of the structure at point B in the middle.
[0022] In the figure: 1. Support seat; 2. Top pressure cylinder; 3. Connecting seat; 4. Connecting round block 1; 5. Fixing nail; 6. Connecting round block 2; 7. Snap-on ball; 8. Rotating plate; 9. Irregular groove; 10. Rotating handle; 11. Pressure roller body; 12. Transmission roller; 13. Hexagonal nut; 14. Bidirectional motor; 15. Rotating shaft; 16. Sliding telescopic rod; 17. Reset spring; 18. Snap-on groove; 19. Connecting groove; 20. Side pressure cylinder; 21. Anti-slip part; 22. Round groove. DETAILED DESCRIPTION
[0023] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0026] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other. Embodiment 1
[0027] See also Figure 1-8The utility model provides a technical solution: a pressure roller for a rounding machine for repairing PC pile steel pipes, comprising a support seat 1, a circular channel with inner walls connected to each other is provided on the top and both sides of the support seat 1, a top pressure oil cylinder 2 or a side pressure oil cylinder 20 is fixedly connected to the inner wall of the circular channel, the output ends of the top pressure oil cylinder 2 and the side pressure oil cylinder 20 are fixedly connected to a connecting seat 3, the inner wall of the connecting seat 3 is fixedly connected to a connecting round block 1 4, a clamping groove 18 is provided on the bottom outer wall of the connecting round block 1 4, a fixing nail 5 is fixedly connected to the bottom outer wall of the connecting round block 1 4, a pressure roller body 11 is movably connected to the inner wall of the connecting seat 3, an outer wall of one end of the pressure roller body 11 close to the connecting round block 1 4 is fixedly connected to a connecting round block 2 6, a clamping ball 7 is fixedly connected to the top outer wall of the connecting round block 2 6, an anti-slip piece 21 is fixedly connected to the inner wall of the connecting round block 2 6, a circular groove 22 is provided on the top outer wall of the connecting round block 2 6, and the top outer wall of the connecting round block 2 6 is movably connected to the pressure roller body 11 It is movably connected with a rotating sheet 8, and an irregular groove 9 is provided on the top outer wall of the rotating sheet 8. A rotating handle 10 is fixedly connected to the side outer wall of the rotating sheet 8. The bottom diameter of the fixing nail 5 is larger than the top diameter. The diameter of one side of the irregular groove 9 is the same as the diameter of the circular groove 22 and larger than the top diameter of the fixing nail 5. The diameter of the other side of the irregular groove 9 is smaller than the top diameter of the fixing nail 5. The anti-slip component 21 is clamped with the rotating sheet 8. The rotating sheet 8 is provided with a circular hole connected to the inner walls on both sides. The clamping ball 7 passes through the circular hole. The diameter of the clamping ball 7 is adapted to the size of the clamping groove 18. A bidirectional motor 14 is fixedly connected to the side outer wall of the support seat 1. The bidirectional motor 14 is located below the side pressure cylinder 20. The output end of the bidirectional motor 14 passes through the support seat 1 and is fixedly connected to a rotating shaft 15. The outer wall of the rotating shaft 15 is movably connected with a transmission roller 12. The two sides of the transmission roller 12 are movably connected with hexagonal nuts 13, and the hexagonal nuts 13 are threadedly connected to the rotating shaft 15.
[0028] By adjusting the rotating sheet 8, the position with the larger diameter of the irregular groove 9 is aligned with the circular groove 22, and the pressure roller body 11 is moved close to the connecting round block 4. The clamping ball 7 is clamped with the clamping groove 18 for limiting, the circular groove 22 is clamped with the fixing nail 5, and the rotating sheet 8 is movably connected with the top of the fixing nail 5. At this time, the rotating handle 10 is turned, and the rotating handle 10 drives the rotating sheet 8 to rotate so that the part of the irregular groove 9 with a diameter smaller than the bottom diameter of the fixing nail 5 is clamped with the top of the fixing nail 5, thereby completing the installation of the pressure roller body 11. When it is necessary to replace the pressure roller body 11 of different sizes, the rotating handle 10 is turned to align the part with the larger diameter of the irregular groove 9 with the fixing nail 5 and movably connect it. At this time, the pressure roller body 11 can be easily removed. The utility model can quickly install and disassemble the pressure roller body 11 through the setting of the rotating sheet 8, which is convenient for replacing pressure roller bodies 11 of different specifications and saves time. Embodiment 2
[0029] On the basis of embodiment one, the outer wall of the pressure roller body 11 at one end away from the connecting round block 2 6 is symmetrically provided with two grooves, and the top inner wall of the groove is fixedly connected with a sliding telescopic rod 16 and a reset spring 17, the sliding telescopic rod 16 is located inside the reset spring 17, and the end of the sliding telescopic rod 16 away from the top inner wall of the groove is fixedly connected to the reset spring 17, and the inner wall of the connecting seat 3 is symmetrically provided with two connecting grooves 19, and the size of the connecting groove 19 is adapted to the size of the reset spring 17.
[0030] When the roller body 11 is not engaged with the connecting round block 4, the sliding telescopic rod 16 contracts and the reset spring 17 is compressed. When the roller body 11 is installed, the compressed reset spring 17 is immediately reset, driving the sliding telescopic rod 16 to stretch. The reset spring 17 and the sliding telescopic rod 16 both move to the inside of the connecting groove 19 and engage with the connecting groove 19 to assist the installation of the roller body 11 and prevent the roller body 11 from being displaced.
[0031] The working principle and use process of the utility model are as follows: by adjusting the rotating sheet 8, the position with the larger diameter of the irregular groove 9 is aligned with the circular groove 22, the pressure roller body 11 is moved close to the connecting round block 4, the clamping ball 7 is clamped with the clamping groove 18 for limiting, the circular groove 22 is clamped with the fixing nail 5, and the rotating sheet 8 is movably connected with the top of the fixing nail 5. At this time, the rotating handle 10 is turned, and the rotating handle 10 drives the rotating sheet 8 to rotate so that the portion of the irregular groove 9 with a diameter smaller than the bottom diameter of the fixing nail 5 is clamped with the top of the fixing nail 5, thereby completing the installation of the pressure roller body 11. When it is necessary to replace the pressure roller body 11 of a different size, the rotating handle 10 is turned to align the portion with the larger diameter of the irregular groove 9 with the fixing nail. 5 is movably connected, and the roller body 11 can be easily removed at this time. The utility model can quickly install and disassemble the roller body 11 through the setting of the rotating piece 8, which is convenient for replacing roller bodies 11 with different specifications and saves time. When the roller body 11 is not connected with the connecting round block 4, the sliding telescopic rod 16 is contracted and the reset spring 17 is compressed. When the roller body 11 is installed, the compressed reset spring 17 is immediately reset, driving the sliding telescopic rod 16 to stretch. The reset spring 17 and the sliding telescopic rod 16 both move to the inside of the connecting groove 19 and are connected with the connecting groove 19, which assists the installation of the roller body 11 and avoids displacement of the roller body 11.
[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A roller for a rounding machine for repairing a PC pile steel pipe, comprising a support seat (1), characterized in that: The top and both sides of the support seat (1) are provided with circular channels with inner walls connected to each other on both sides; the inner wall of the circular channel is fixedly connected to a top pressure cylinder (2) or a side pressure cylinder (20); the output ends of the top pressure cylinder (2) and the side pressure cylinder (20) are fixedly connected to a connecting seat (3); the inner wall of the connecting seat (3) is fixedly connected to a connecting round block (4); the bottom outer wall of the connecting round block (4) is provided with a clamping groove (18); the bottom outer wall of the connecting round block (4) is fixedly connected to a fixing nail (5); the inner wall of the connecting seat (3) is movably connected to a pressure roller body (1 1), the outer wall of one end of the pressure roller body (11) close to the connecting round block one (4) is fixedly connected to the connecting round block two (6), the top outer wall of the connecting round block two (6) is fixedly connected to the clamping ball (7), the inner wall of the connecting round block two (6) is fixedly connected to the anti-dropping part (21), the top outer wall of the connecting round block two (6) is provided with a circular groove (22), the top outer wall of the connecting round block two (6) is movably connected to a rotating plate (8), the top outer wall of the rotating plate (8) is provided with an irregular groove (9), and the side outer wall of the rotating plate (8) is fixedly connected to a rotating handle (10).
2. The pressure roller of the rounding machine for repairing PC pile steel pipe according to claim 1 is characterized in that: The bottom diameter of the fixing pin (5) is larger than the top diameter, the diameter of one side of the irregular groove (9) is the same as the diameter of the circular groove (22) and larger than the top diameter of the fixing pin (5), and the diameter of the other side of the irregular groove (9) is smaller than the top diameter of the fixing pin (5).
3. The pressure roller of the rounding machine for repairing PC pile steel pipe according to claim 1 is characterized in that: The anti-dropping member (21) is snap-fitted to the rotating plate (8); the rotating plate (8) is provided with a circular hole with inner walls on both sides communicating with each other; the snap-fitting ball (7) passes through the circular hole; and the diameter of the snap-fitting ball (7) matches the size of the snap-fitting groove (18).
4. The pressure roller of the rounding machine for repairing PC pile steel pipe according to claim 1 is characterized in that: The outer wall of the pressure roller body (11) at one end away from the connecting round block 2 (6) is symmetrically provided with two grooves, and the top inner wall of the groove is fixedly connected with a sliding telescopic rod (16) and a reset spring (17), the sliding telescopic rod (16) is located inside the reset spring (17), and the end of the sliding telescopic rod (16) away from the top inner wall of the groove is fixedly connected to the reset spring (17), and the inner wall of the connecting seat (3) is symmetrically provided with two connecting grooves (19), and the size of the connecting grooves (19) is adapted to the size of the reset spring (17).
5. The pressure roller of the rounding machine for repairing PC pile steel pipe according to claim 1 is characterized in that: A bidirectional motor (14) is fixedly connected to the side outer wall of the support seat (1), and the bidirectional motor (14) is located below the side pressure cylinder (20). The output end of the bidirectional motor (14) passes through the support seat (1) and is fixedly connected to a rotating shaft (15). The outer wall of the rotating shaft (15) is movably connected to a transmission roller (12). Both sides of the transmission roller (12) are movably connected to hexagonal nuts (13), and the hexagonal nuts (13) are threadedly connected to the rotating shaft (15).