CN221159068U

CN221159068U - Four-wheel drive self-adjusting roller frame with rebound device

Info

Publication number: CN221159068U
Application number: CN202322670104.0U
Authority: CN
Inventors: 叶胜军; 王成星
Original assignee: Wuxi Sanhong Machinery Equipment Co ltd
Current assignee: Wuxi Sanhong Machinery Equipment Co ltd
Filing date: 2023-10-07
Publication date: 2024-06-18
Anticipated expiration: 2033-10-07

Abstract

The utility model relates to a four-wheel drive self-adjusting roller frame with a rebound device, which comprises a base and supporting seats arranged on two sides of the far end of the base, wherein the far end of each supporting seat is rotatably connected with a roller seat assembly, the roller seat assembly comprises a pincer-shaped frame, the two sides of the interior of the pincer-shaped frame are rotatably provided with a first roller and a second roller, the surface of the pincer-shaped frame is provided with a speed reducer, the end part of the pincer-shaped frame, which is far away from the supporting seat, is connected with the supporting seat through an elastic device, the far end of the supporting seat is provided with a limit column, and the two groups of rollers are pulled to be at the largest opening angle through the elastic force of the elastic device, so that the two groups of rollers are in direct collision contact with the first roller when a pipe workpiece is not placed, the rotation amount of the first roller is reduced, and simultaneously, the rotation amount of the second roller is reduced through the rotation of the pincer-shaped frame when the pipe is in collision contact with the second roller, the damage to the speed reducer and the pincer-shaped frame is reduced, and the service life of the roller frame is prolonged.

Description

Four-wheel drive self-adjusting roller frame with rebound device

Technical Field

The utility model relates to the technical field of roller frames, in particular to a four-wheel drive self-adjusting roller frame with a rebound device.

Background

The roller frame assembly is auxiliary equipment for welding the pipe body, the swing angle of the roller can be automatically adjusted according to the diameter of the pipe body, and the pipe body is rotated by the roller to realize the welding of the longitudinal annular seam inside and outside the pipe body.

The roller frame assembly in the prior art comprises two clamp frames hinged on a base, and each clamp frame is provided with two rollers. The transmission device of the existing clamp frames mainly comprises a speed reducer for driving one roller for each clamp frame, and a driven roller for the other roller. When the clamp frame does not work, one end of the clamp frame is abutted against the bottom plate, and when the pipe body is lifted to the roller frame assembly, the pipe body forces the clamp frame, the first roller and the second roller to rotate, the clamp frame, the first roller and the second roller rotate in large amounts, and the clamp frame and a speed reducer connected with the first roller and the second roller are easy to damage.

Disclosure of utility model

In view of the foregoing drawbacks of the prior art, it is an object of the present utility model to provide a four-wheel drive self-adjusting roller frame with a rebound device that solves one or more of the problems of the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

The utility model provides a take four-wheel drive self-modulation gyro wheel frame of bullet device back, includes the base, sets up the supporting seat of base distal end both sides, every the supporting seat distal end rotationally connects gyro wheel seat subassembly, the gyro wheel seat subassembly includes the pincer frame, the inside both sides of pincer frame rotationally set up first gyro wheel and second gyro wheel, pincer frame surface sets up the speed reducer, the output of speed reducer passes through transmission assembly drive first gyro wheel and second gyro wheel and rotates, the pincer frame is kept away from and is connected through resilient means between supporting seat one side tip and the supporting seat, the supporting seat distal end is located the base and sets up spacing post, pulls the pincer frame through resilient means's elastic force, makes pincer frame proximal end side and spacing post butt that is not in operating condition.

Further, the side face of the supporting seat is provided with a first buckling part, the end part of one side of the pincer-shaped frame, which is far away from the supporting seat, is provided with a second buckling part, the proximal end of the elastic device is provided with a first hook part, and the distal end of the elastic device is provided with a second hook part.

Further, the transmission assembly comprises an active transmission wheel connected to the output end of the speed reducer, a first passive transmission wheel is arranged on one side, close to the speed reducer, of the first roller, a second passive transmission wheel is arranged on one side, close to the speed reducer, of the second roller, a third passive transmission wheel is rotatably arranged between the active transmission wheel and the first passive transmission wheel on the inner side of the pincer frame, a fourth passive transmission wheel is rotatably arranged between the active transmission wheel and the second passive transmission wheel on the inner side of the pincer frame, the third passive transmission wheel is respectively meshed with the active transmission wheel and the first passive transmission wheel, and the fourth passive transmission wheel is respectively meshed with the active transmission wheel and the second passive transmission wheel.

Further, the supporting seat is provided with shaft seats at two sides of the pincer-shaped frame, the two sides of the pincer-shaped frame are provided with rotating shafts, and the rotating shafts are rotationally connected with the shaft seats.

Further, the supporting seat is connected with the base through a fixing piece.

Further, the base is provided with a plurality of fixing holes at intervals along the length direction for the fixing pieces to pass through.

Further, a positioning flat key is arranged at the proximal end of the supporting seat.

Further, the side of the base is provided with a support, the far end of the support is provided with an electric box, and the electric box is used for supplying power to the speed reducer.

Compared with the prior art, the utility model has the following beneficial technical effects:

The four-wheel drive self-adjusting roller frame with the rebound device is characterized in that the end part of one side of a pincer-shaped frame far away from a supporting seat is connected with the supporting seat through an elastic device, the far end of the supporting seat is provided with a limiting column, when the four-wheel drive self-adjusting roller frame is used, a first hook part hooks the first buckling part, a second hook part hooks the second buckling part, the pincer-shaped frame is pulled by elastic force of the elastic device, the side face of the near end of the pincer-shaped frame when a pipe body is not placed is propped against the limiting column, two groups of rollers form a maximum opening angle when the pipe body is not placed, the direct collision contact with the first roller when a pipe body workpiece is loaded is reduced, so that the rotation quantity of the first roller is reduced, and meanwhile, the rotation quantity of the second roller is reduced through the rotation of the pincer-shaped frame, the damage to a speed reducer and the pincer-shaped frame is reduced, and the service life of the roller frame is prolonged.

Drawings

Fig. 1 shows a schematic front view of a four-wheel drive self-adjusting roller frame with a rebound device according to an embodiment of the present utility model.

Fig. 2 is a schematic view showing a part of a four-wheel drive self-adjusting roller frame with a rebound device according to an embodiment of the present utility model.

Fig. 3 shows a schematic side view of a four-wheel drive self-adjusting roller frame with a rebound device according to a first embodiment of the present utility model.

The reference numerals in the drawings:

1. A base; 11. a bracket; 12. an electric box; 13. a fixing hole; 2. a support base; 21. a fixing member; 22. positioning a flat key; 23. a shaft seat; 24. a first buckle portion; 25. a limit column; 3. a roller seat assembly; 31. a speed reducer; 311. a driving transmission wheel; 32. a pincer-like frame; 321. a first roller; 3211. the first passive driving wheel; 322. a third passive drive wheel; 323. a second roller; 3231. the second passive driving wheel; 324. a fourth passive driving wheel; 325. a rotating shaft; 326. a second buckle portion; 33. an elastic device; 331. a first hook portion; 332. and a second hook portion.

Detailed Description

For a better understanding of the utility model with objects, features and advantages, refer to the drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that any modifications, changes in the proportions, or adjustments of the sizes of structures, proportions, or otherwise, used in the practice of the utility model, are included in the spirit and scope of the utility model which is otherwise, without departing from the spirit or essential characteristics thereof.

In the description of the present utility model, the positional or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In order to more clearly describe the structure of the four-wheel drive self-adjusting roller frame with the rebound device, the present utility model defines the terms "distal end" and "proximal end", specifically, "distal end" means an end far away from the ground, and "proximal end" means an end close to the ground, taking fig. 1 as an example, the lower end of the base 1 in fig. 1 is the proximal end, and the upper end of the base 1 in fig. 1 is the distal end.

Example 1

Referring to fig. 1, 2 and 3, a four-wheel drive self-adjusting roller frame with a rebound device includes a base 1, supporting seats 2 disposed on two sides of a distal end of the base 1, each supporting seat 2 is rotatably connected with a roller seat assembly 3 at a distal end, the roller seat assembly 3 includes a pincer frame 32, a first roller 321 and a second roller 323 are rotatably disposed on two sides of an inner portion of the pincer frame 32, a speed reducer 31 is disposed on a surface of the pincer frame 32, an output end of the speed reducer 31 drives the first roller 321 and the second roller 323 to rotate through a transmission assembly, an end portion of the pincer frame 32, far from the supporting seat 2, is connected with the supporting seat 2 through an elastic device 33, the distal end of the supporting seat 2 is disposed on the base 1, and the limiting post 25 is pulled by an elastic force of the elastic device 33, so that a proximal side of the pincer frame 32, which is not in a working state, is abutted against the limiting post 25.

The speed reducer 31 is preferably a planetary speed reducer.

Referring to fig. 1 and 2, further, the side of the supporting seat 2 is provided with the first fastening portion 24, the end portion of the pincer frame 32, which is far away from the supporting seat 2, is provided with the second fastening portion 326, the proximal end of the elastic device 33 is provided with the first hook portion 331, the distal end of the elastic device 33 is provided with the second hook portion 332, when in use, the first hook portion 331 hooks the first fastening portion 24, the second hook portion 332 hooks the second fastening portion 326, the pincer frame 32 is pulled by the elastic force of the elastic device 33, so that the pincer frame 32 when the pipe is not placed is kept in a suspended state, the two ends of the pincer frame 32 are not contacted with the supporting seat 2, the rotation amounts of the pincer frame 32 and the first roller and the second roller when the pipe is put down are reduced, the damage to the speed reducer 31 and the pincer frame 32 is reduced, and the service life of the roller frame is prolonged.

Referring to fig. 1, 2 and 3, further, the transmission assembly includes an active transmission wheel 311 connected to an output end of the speed reducer 31, a first passive transmission wheel 3211 is disposed on a side of the first roller 321 close to the speed reducer 31, a second passive transmission wheel 3231 is disposed on a side of the second roller 323 close to the speed reducer 31, a third passive transmission wheel 322 is rotatably disposed between the active transmission wheel 311 and the first passive transmission wheel 3211 on an inner side of the pincer frame 32, a fourth passive transmission wheel 324 is rotatably disposed between the active transmission wheel 311 and the second passive transmission wheel 3231 on an inner side of the pincer frame 32, the third passive transmission wheel 322 is meshed with the active transmission wheel 311 and the first passive transmission wheel 3211 respectively, and the fourth passive transmission wheel 324 is meshed with the active transmission wheel 311 and the second passive transmission wheel 3231 respectively.

Referring to fig. 2 and 3, further, the support base 2 is disposed on two sides of the pincer-shaped frame 32 with shaft bases 23, two sides of the pincer-shaped frame 32 are disposed with rotating shafts 325, the rotating shafts 325 are rotatably connected with the shaft bases 23, and when the roller base assembly 3 is stressed, the rotating shafts 325 are passively rotated axially to contact with the surface of the tube body.

Referring to fig. 1, 2 and 3, the support base 2 is further connected to the base 1 by a fixing member 21. Preferably, the fixing member 21 comprises a bolt passing through the spring pad, the spacer, the support base 2, the distal end of the base 1 and screwed with a nut.

Referring to fig. 1 and 2, further, the base 1 is provided with a plurality of fixing holes 13 along the length direction for the fixing members 21 to pass through.

Referring to fig. 1 and 2, further, a positioning flat key 22 is disposed at the proximal end of the supporting seat 2, and the positioning flat key 22 is clamped into a groove (not labeled in the drawing) on the surface of the base 1 for positioning the supporting seat 2.

Referring to fig. 1, further, a bracket 11 is disposed on a side of the base 1, and an electric box 12 is disposed at a distal end of the bracket 11, where the electric box 12 is used for supplying power to the speed reducer 31.

The specific working procedure of the utility model is as follows:

The clamp frame 32 is pulled by the elastic force of the elastic device 33, so that the proximal side surface of the clamp frame 32 which is not in the working state is abutted against the limit post 25. The pipe body is hung on the two roller seat assemblies 3, at this time, the pipe body is contacted with the second roller 323, and the roller seat assemblies 3 are stressed and axially rotate around the rotating shaft 325 by a small amount until the first roller 321 and the second roller 323 are contacted with the surface of the pipe body. The speed reducer 31 is started to drive the active driving wheel 311 to rotate, the active driving wheel 311 drives the third passive driving wheel 322 and the fourth passive driving chain to rotate, the third passive driving wheel 322 drives the first passive driving wheel 3211 and the first roller 321 to rotate, and the fourth passive driving wheel 324 drives the second passive driving wheel 3231 and the second roller 323 to rotate, so that synchronous rotation of the first roller 321 and the second roller 323 is realized. When the outer diameters of the pipe bodies are different, the fixed position of the supporting seat 2 on the base 1 is adjusted.

In the four-wheel drive self-adjusting roller frame with the rebound device, the length and the elastic coefficient of the elastic device can be adjusted according to actual use requirements, and the elastic device can be a structure with elastic force such as a spring, a pressure spring and the like, which belong to the protection scope of the utility model.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A four-wheel drive self-adjusting roller frame with a rebound device is characterized in that: including the base, set up the supporting seat of base distal end both sides, every the supporting seat distal end rotationally connects roller seat subassembly, roller seat subassembly includes the pincerlike frame, pincerlike frame inside both sides rotationally set up first gyro wheel and second gyro wheel, pincerlike frame (32) surface sets up the speed reducer, the output of speed reducer passes through transmission assembly drive first gyro wheel and second gyro wheel and rotates, the pincerlike frame is kept away from and is connected through resilient means between supporting seat one side tip and the supporting seat, the supporting seat distal end is located the base and sets up spacing post, pulls the pincerlike frame through resilient means's elastic force, makes pincerlike frame proximal end side and spacing post butt that is not in operating condition.

2. A four wheel drive self-adjusting roller frame with rebound apparatus as defined in claim 1 wherein: the side of the supporting seat is provided with a first buckling part, the end part of one side of the pincer-shaped frame, which is far away from the supporting seat, is provided with a second buckling part, the proximal end of the elastic device is provided with a first hook part, and the distal end of the elastic device is provided with a second hook part.

3. A four wheel drive self-adjusting roller frame with rebound apparatus as defined in claim 1 wherein: the transmission assembly comprises an active transmission wheel connected to the output end of the speed reducer, a first passive transmission wheel is arranged on one side, close to the speed reducer, of the first roller, a second passive transmission wheel is arranged on one side, close to the speed reducer, of the second roller, a third passive transmission wheel is rotatably arranged between the active transmission wheel and the first passive transmission wheel on the inner side of the pincer-shaped frame, a fourth passive transmission wheel is rotatably arranged between the active transmission wheel and the second passive transmission wheel on the inner side of the pincer-shaped frame, the third passive transmission wheel is respectively meshed with the active transmission wheel and the first passive transmission wheel, and the fourth passive transmission wheel is respectively meshed with the active transmission wheel and the second passive transmission wheel.

4. A four wheel drive self-adjusting roller frame with rebound apparatus as defined in claim 1 wherein: the supporting seat is arranged on two sides of the pincer-shaped frame, the two sides of the pincer-shaped frame are provided with rotating shafts, and the rotating shafts are rotationally connected with the shaft seats.

5. A four wheel drive self-adjusting roller frame with rebound apparatus as defined in claim 1 wherein: the supporting seat is connected with the base through a fixing piece.

6. A four wheel drive self-adjusting roller frame with rebound apparatus as defined in claim 5 wherein: the base is provided with a plurality of fixing holes at intervals along the length direction for the fixing piece to pass through.

7. A four wheel drive self-adjusting roller frame with rebound apparatus as defined in claim 1 wherein: the near end of the supporting seat is provided with a positioning flat key.

8. A four wheel drive self-adjusting roller frame with rebound apparatus as defined in claim 1 wherein: the side of the base is provided with a support, the far end of the support is provided with an electric box, and the electric box is used for supplying power to the speed reducer.