CN215790224U - Positioning fixture and pipe jacking device - Google Patents
Positioning fixture and pipe jacking device Download PDFInfo
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- CN215790224U CN215790224U CN202122085528.1U CN202122085528U CN215790224U CN 215790224 U CN215790224 U CN 215790224U CN 202122085528 U CN202122085528 U CN 202122085528U CN 215790224 U CN215790224 U CN 215790224U
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Abstract
The utility model discloses a positioning clamp and a pipe jacking device with the same, wherein the positioning clamp comprises: positioning the substrate; the first clamping assembly is rotationally connected with the positioning substrate and comprises a first positioning part; the second clamping assembly is rotatably connected with the positioning substrate and comprises a second positioning part, and a positioning clamping space is arranged between the first positioning part and the second positioning part; the opening and closing driving device comprises an opening and closing fixing end and an opening and closing movement end, the first clamping assembly and the second clamping assembly are in transmission connection with the opening and closing movement end, and the opening and closing fixing end drives the first clamping assembly and the second clamping assembly to synchronously rotate, so that the first positioning portion and the second positioning portion are synchronously close to or far away from each other. The technology clamps the pipe through the synchronous motion of the first clamping assembly and the second clamping assembly, can conveniently adapt to the pipe with different sizes and specifications, and improves the accuracy of the positioning position of the pipe.
Description
Technical Field
The utility model relates to the technical field of pipe manufacturing and processing, in particular to a positioning clamp and a pipe jacking device.
Background
In the automatic processing process of the pipe, for example, automatic cutting, automatic feeding of the pipe is required. The existing pipe feeding machine is not accurate enough in positioning the pipe, and especially for pipes with different specifications and shapes, deviation is easy to occur in the feeding process, and normal feeding cannot be realized; or different positioning clamps need to be replaced aiming at the pipes with different specifications and shapes, the use is not simple and convenient enough, and the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a positioning clamp, and aims to solve the technical problems that in the prior art, the feeding and positioning of pipes are not accurate enough and the pipe cannot adapt to pipes of various specifications.
In order to achieve the above object, the present invention provides a positioning jig, including:
positioning the substrate;
the first clamping assembly is arranged on the opposite upper left side of the positioning substrate, the first clamping assembly is rotatably connected with the positioning substrate, and the first clamping assembly comprises a first positioning part;
the second clamping assembly is arranged on the opposite upper right side of the positioning substrate, is rotatably connected with the positioning substrate and comprises a second positioning part, and a positioning clamping space is arranged between the first positioning part and the second positioning part;
the opening and closing driving device comprises an opening and closing fixing end and an opening and closing movement end, the opening and closing fixing end is connected to the positioning base plate, the first clamping assembly and the second clamping assembly are in transmission connection with the opening and closing movement end, and the opening and closing movement end drives the first clamping assembly and the second clamping assembly to synchronously rotate, so that the first positioning portion and the second positioning portion are synchronously close to or far away from each other.
The positioning base plate is rotatably connected with a first clamping assembly and a second clamping assembly, and a positioning clamping space between the first positioning part and the second positioning part can be used for placing a pipe to be fed; the opening and closing movement end of the opening and closing driving device drives the first clamping assembly and the second clamping assembly to synchronously rotate, so that the first positioning part and the second positioning part move close to each other, the pipe placed in the positioning and clamping space can be positioned and clamped, and the pipe clamping device can adapt to pipes of different sizes and specifications; in addition, due to the synchronous movement of the first positioning part and the second positioning part, the positions of the pipes with different sizes after clamping are basically kept in the middle of the positioning and clamping space, and the deviation of the pipes is reduced. Compared with the prior art, the pipe clamping device has the advantages that the pipe is clamped through the synchronous movement of the first clamping assembly and the second clamping assembly, the pipe clamping device can be conveniently suitable for pipes with different sizes and specifications, and the accuracy of the positioning position of the pipe is improved.
Preferably, the first clamping assembly includes a first rotating block, the first rotating block is rotatably connected to the positioning substrate, the first positioning portion is disposed on an upper side of the first rotating block, the second clamping assembly includes a second rotating block, the second rotating block is rotatably connected to the positioning substrate, the second positioning portion is disposed on an upper side of the second rotating block, and the opening and closing moving end is in transmission connection with the first rotating block and the second rotating block. The opening and closing movement end drives the first rotating block and the second rotating block to rotate, so that the first positioning part and the second positioning part are close to or far away from each other.
Preferably, a first transmission tooth part is arranged on the first rotating block, a second transmission tooth part is arranged on the second rotating block, the first transmission tooth part is meshed with the second transmission tooth part, and the opening and closing movement end is connected with the first rotating block or the second rotating block. Because the first transmission tooth part is meshed with the second transmission tooth part, the opening and closing movement end is connected to one of the first rotating block or the second rotating block, one of the first rotating block and the second rotating block does active movement, the other one synchronously rotates under the meshing action of the first transmission tooth part and the second transmission tooth part, and the structure is simple.
Preferably, the opening and closing driving device is arranged on the lower side of the positioning base plate and comprises an opening and closing cylinder, the opening and closing cylinder body is an opening and closing fixed end, a piston rod of the opening and closing cylinder is an opening and closing movement end, the opening and closing fixed end is connected with the positioning base plate in a rotating mode, a connecting portion is arranged on the lower side of the first rotating block or the second rotating block, and the connecting portion is connected with the opening and closing movement end in a rotating mode.
The opening and closing driving device is arranged on the lower side of the positioning base plate, and the first rotating block or the second rotating block passes through the connecting part positioned on the lower side to the opening and closing movement end, so that the rotation of the first clamping assembly and the second clamping assembly is not influenced, and the movement of the pipe is not influenced; the opening and closing device is an opening and closing air cylinder, and the automatic stopping movement of the opening and closing air cylinder keeps clamping force due to pressure after the first positioning part and the second positioning part are pressed on the pipe.
Preferably, a first positioning column extending in an up-and-down direction is fixedly connected to an upper side of the first rotating block, a first positioning sleeve is rotatably connected to an outer side of the first positioning column, the first positioning portion includes the first positioning sleeve, a second positioning column extending in the up-and-down direction is fixedly connected to an upper side of the second rotating block, a second positioning sleeve is rotatably connected to an outer side of the second positioning column, and the second positioning portion includes the second positioning sleeve. The first positioning column is sleeved with a first positioning sleeve, the second positioning column is sleeved with a second positioning sleeve, the first positioning sleeve and the second positioning sleeve are abutted to the pipe, the positioning effect is achieved, and friction between the first positioning sleeve and the pipe is reduced.
Preferably, the upper side of the positioning base plate is rotatably connected with a carrier roller, the axis direction of the carrier roller extends along the left-right direction, and the top of the carrier roller is higher than the upper side surfaces of the first rotating block and the second rotating block. The bearing roller is used for bearing tubular product, and the cooperation first location portion and second location portion play bearing and positioning action.
On the other hand, the utility model also provides a pipe jacking device with the positioning clamp. By adopting the positioning fixture, the positioning fixture can be conveniently suitable for pipes with different sizes and specifications, and the accuracy of the positioning position of the pipe is improved.
Preferably, the pipe jacking device further comprises a jacking driving device, the jacking driving device comprises a jacking fixed end and a jacking moving end, the jacking moving end can move in the up-and-down direction, and the positioning substrate is connected to the jacking moving end. The jacking moving end of the jacking driving device can drive the positioning clamp to move up and down, so that the clamped pipe is conveyed upwards to an external mechanism to perform the next step.
Preferably, jacking drive arrangement includes jacking rack and jacking gear, the jacking rack extends along upper and lower direction, the jacking rack with positioning substrate fixed connection, the axis relatively fixed of jacking gear, the jacking stiff end includes the jacking gear, the jacking motion end includes the jacking rack. The jacking gear rotates to drive the jacking rack to move up and down, so that the positioning clamp is driven to move up and down, and the structure is simple.
Preferably, the jacking driving device further comprises a jacking cylinder, and a piston rod of the jacking cylinder is connected with the positioning base plate. The jacking cylinder has the effect of auxiliary buffering, and the jacking cylinder makes positioning fixture more steady in rising and decline in-process with jacking gear and jacking rack cooperation work.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a positioning fixture according to an embodiment of the present invention;
FIG. 2 is a schematic view of another angle of an embodiment of the positioning fixture of the present invention;
FIG. 3 is a schematic structural view of another embodiment of the positioning fixture of the present invention;
FIG. 4 is a schematic structural view of a pipe jacking apparatus of the present invention;
FIG. 5 is a schematic view of another angle of the pipe jacking apparatus of the present invention;
FIG. 6 is a schematic structural view of the pipe jacking apparatus of the present invention clamping a pipe.
In the drawings: 1-positioning base plate, 2-first clamping component, 21-first positioning part, 211-first positioning column, 212-first positioning sleeve, 22-first rotating block, 23-first transmission tooth part, 3-second clamping component, 31-second positioning part, 311-second positioning column, 312-second positioning sleeve, 32-positioning clamping space, 33-second rotating block, 34-second transmission tooth part, 35-connecting part, 4-opening and closing driving device, 41-opening and closing fixed end, 42-opening and closing moving end, 5-supporting roller, 6-lifting driving device, 61-lifting gear, 62-lifting rack, 7-lifting cylinder and 8-pipe.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1 to 3, a positioning fixture includes a positioning substrate 1, a first clamping assembly 2, a second clamping assembly 3, and an opening/closing driving device 4.
The positioning substrate 1 is a base member of the positioning jig and is suitable for connection with an external structure.
The first clamping assembly 2 is arranged on the left upper side of the positioning substrate 1, the first clamping assembly 2 is rotatably connected with the positioning substrate 1, and the first clamping assembly 2 comprises a first positioning part 21;
the second clamping assembly 3 is disposed on the upper right side of the positioning substrate 1, the second clamping assembly 3 is rotatably connected to the positioning substrate 1, the second clamping assembly 3 includes a second positioning portion 31, and a positioning clamping space 32 is disposed between the first positioning portion 21 and the second positioning portion 31. The positioning and clamping space 32 can be used for placing the pipe 8 to be fed, and the pipe 8 extends in the front-back direction.
The opening and closing driving device 4 comprises an opening and closing fixing end 41 and an opening and closing moving end 42, the opening and closing fixing end 41 is connected to the positioning substrate 1, the first clamping assembly 2 and the second clamping assembly 3 are in transmission connection with the opening and closing moving end 42, and the opening and closing moving end 42 drives the first clamping assembly 2 and the second clamping assembly 3 to synchronously rotate, so that the first positioning portion 21 and the second positioning portion 31 are synchronously close to or far away from each other. The first positioning portion 21 and the second positioning portion 31 can position and clamp the pipe 8 when being closed close to each other, and the first positioning portion 21 and the second positioning portion 31 can release the pipe 8 and allow the pipe 8 to enter the positioning and clamping space 32 when being opened away from each other.
The opening and closing movement end 42 of the opening and closing driving device 4 drives the first clamping component 2 and the second clamping component 3 to synchronously rotate, so that the first positioning part 21 and the second positioning part 31 move close to each other, the pipe 8 placed in the positioning and clamping space 32 can be positioned and clamped, and the pipe 8 with different sizes and specifications can be adapted; in addition, due to the synchronous movement of the first positioning part 21 and the second positioning part 31, the positions of the pipes 8 with different sizes after clamping can be basically kept in the middle of the positioning and clamping space 32, and the deviation of the pipes 8 is reduced. Compared with the prior art, the technology clamps the pipe 8 through the synchronous motion of the first clamping component 2 and the second clamping component 3, can conveniently adapt to the pipe 8 with different sizes and specifications, and improves the accuracy of the positioning position of the pipe 8.
In some embodiments, the first clamping assembly 2 includes a first rotating block 22, the first rotating block 22 is rotatably connected to the positioning base plate 1, the upper side of the first rotating block 22 is provided with a first positioning portion 21, the second clamping assembly 3 includes a second rotating block 33, the second rotating block 33 is rotatably connected to the positioning base plate 1, the upper side of the second rotating block 33 is provided with a second positioning portion 31, and the opening and closing moving end 42 is in transmission connection with the first rotating block 22 and the second rotating block 33. The opening and closing movement end 42 drives the first rotating block 22 and the second rotating block 33 to rotate, so that the first positioning portion 21 and the second positioning portion 31 move closer to or away from each other.
In some embodiments, a first transmission gear portion 23 is disposed on the first rotation block 22, a second transmission gear portion 34 is disposed on the second rotation block 33, the first transmission gear portion 23 is engaged with the second transmission gear portion 34, and the opening/closing movement end 42 is connected to the first rotation block 22 or the second rotation block 33. Because the first transmission gear part 23 is meshed with the second transmission gear part 34, the opening and closing movement end 42 is connected to one of the first rotating block 22 or the second rotating block 33, one of the first rotating block 22 and the second rotating block 33 does active movement, and the other one also synchronously rotates under the meshing action of the first transmission gear part 23 and the second transmission gear part 34, so that the structure is simpler.
The rotating shafts of the first rotating block 22 and the positioning substrate 1 are close to the rotating shafts of the second rotating block 33 and the positioning substrate 1, the first rotating block 22 extends to the left front side, the first positioning part 21 is arranged at the front side of the first rotating block 22, the second rotating block 33 extends to the right front side, and the second positioning part 31 is arranged at the front side of the second rotating block 33; the first transmission tooth part 23 is arranged on one side of the first rotating block 22 close to the second rotating block 33, and the second transmission tooth part 34 is arranged on one side of the second rotating block 33 close to the first rotating block 22, so that the first transmission tooth part 23 and the second transmission tooth part 34 can be meshed, and the first positioning part 21 and the second positioning part 31 can be close to or far away from each other when the first rotating block 22 and the second rotating block 33 rotate. Specifically, in some embodiments, as shown in fig. 1 and 2, the first transmission gear portion 23 and the second transmission gear portion 34 are complete gears, the two gears are rotatably connected with the positioning substrate 1, and the first rotating block 22 and the second rotating block 33 are respectively fixed on the upper sides of the two gears by screws. In other embodiments, as shown in fig. 3, the first transmission gear portion 23 and the second transmission gear portion 34 are configured to machine partial teeth on the first rotating block 22 and the second rotating block 33, and the partial teeth can rotate within a certain range of angles.
The first clamping assembly 2 and the second clamping assembly 3 are basically arranged in a left-right mirror symmetry mode, the distance from the first positioning portion 21 to the rotating shaft of the first rotating block 22 and the positioning base plate 1 is basically the same as the distance from the second positioning portion 31 to the second rotating block 33 and the rotating shaft of the positioning base plate 1, so that the strokes of the first positioning portion 21 and the second positioning portion 31 can be the same, and after the pipe 8 is positioned, the axes of the pipe 8 with different sizes are basically kept at the same position. In some embodiments, the first rotating block 22 and the second rotating block 33 can also achieve synchronous movement through a link structure.
Further, the opening and closing driving device 4 is arranged on the lower side of the positioning substrate 1, the opening and closing driving device 4 comprises an opening and closing air cylinder, the air cylinder body of the opening and closing air cylinder is an opening and closing fixing end 41, a piston rod of the opening and closing air cylinder is an opening and closing moving end 42, the opening and closing fixing end 41 is rotatably connected with the positioning substrate 1, a connecting portion 35 is arranged on the lower side of the second rotating block 33, and the connecting portion 35 is rotatably connected with the opening and closing moving end 42.
The opening/closing fixing end 41 is rotatably connected to the positioning board 1, and the connecting portion 35 is rotatably connected to the opening/closing moving end 42, so that the second rotating block 33 can rotate. The opening and closing driving device 4 is arranged at the lower side of the positioning base plate 1, and the second rotating block 33 does not influence the rotation of the first clamping component 2 and the second clamping component 3 and the movement of the pipe 8 through a connecting part 35 positioned at the lower side to an opening and closing movement end 42; the opening and closing device is an opening and closing air cylinder, the automatic stopping movement of the opening and closing air cylinder keeps clamping force due to pressure after the first positioning part 21 and the second positioning part 31 are pressed on the pipe 8, the structure is simple, and the structure for stopping movement is not required to be additionally arranged. Specifically, in some embodiments, as shown in fig. 1 and 2, the connecting portion 35 is fixed on the lower side of the gear shaft of the second transmission tooth portion 34, and the opening and closing movement end 42 drives the gear shaft to rotate through the connecting portion 35, so as to indirectly rotate the second rotating block 33, which is a space-saving structure. In other embodiments, as shown in fig. 3, the connecting portion 35 is directly fixed on the lower side of the second rotating block 33 away from the rotating shaft, and the open-close fixing end 41 is disposed on the side of the first rotating block 22 to drive the second rotating block 33 to rotate.
Further, a first positioning column 211 extending in the vertical direction is fixedly connected to the upper side of the first rotating block 22, a first positioning sleeve 212 is rotatably connected to the outer side of the first positioning column 211, the first positioning portion 21 includes the first positioning sleeve 212, a second positioning column 311 extending in the vertical direction is fixedly connected to the upper side of the second rotating block 33, a second positioning sleeve 312 is rotatably connected to the outer side of the second positioning column 311, and the second positioning portion 31 includes the second positioning sleeve 312. But first reference column 211 threaded connection is on first rotating block 22, the cover is equipped with first position sleeve 212 on first reference column 211, but second reference column 311 threaded connection is on second rotating block 33, the cover is equipped with second position sleeve 312 on the second reference column 311, first position sleeve 212 and second position sleeve 312 and tubular product 8 butt play the positioning action, also reduce the friction with tubular product 8.
In some embodiments, the upper side of the positioning base plate 1 is rotatably connected with the idler 5, the axis direction of the idler 5 extends in the left-right direction, and the top of the idler 5 is higher than the upper side of the first rotating block 22 and the second rotating block 33. The top of the carrier roller 5 is higher than the upper side surfaces of the first rotating block 22 and the second rotating block 33, so that the carrier roller 5 can support the pipe 8, and the carrier roller 5 is matched with the first positioning portion 21 and the second positioning portion 31 to play a role in supporting and positioning. The carrier roller 5 can be placed at the rear side of the first rotating block 22 and the second rotating block 33, and the top of the carrier roller 5 is slightly higher than the upper side surfaces of the first rotating block 22 and the second rotating block 33; or the idler 5 is disposed on the upper side of the first rotating block 22 and the second rotating block 33, and the first rotating block 22 and the second rotating block 33 move in the space between the idler 5 and the positioning base plate 1.
On the other hand, as shown in fig. 4 to 6, a pipe jacking device with the positioning clamp can be conveniently adapted to pipes 8 with different sizes and specifications by adopting the positioning clamp, and the accuracy of the positioning position of the pipe 8 is improved.
In some embodiments, the pipe jacking device further includes a jacking driving device 6, the jacking driving device 6 includes a jacking fixed end and a jacking moving end, the jacking moving end can move in the up-and-down direction, and the positioning substrate 1 is connected to the jacking moving end. The jacking moving end of the jacking driving device 6 can drive the positioning clamp to move up and down, so that the clamped pipe 8 is conveyed upwards to an external mechanism to perform the next step.
Further, jacking drive arrangement 6 includes jacking rack 62 and jacking gear 61, and jacking rack 62 extends along upper and lower direction, jacking rack 62 and positioning substrate 1 fixed connection, and jacking gear 61's axis is relatively fixed, and the jacking stiff end includes jacking gear 61, and the jacking motion end includes jacking rack 62. Jacking gear 61 is connected with outside frame through the pivot, sets up jacking motor in the frame, and jacking motor drives jacking gear 61 and rotates, drives jacking rack 62 up-and-down motion, realizes driving positioning fixture up-and-down motion, simple structure.
Further, the jacking driving device 6 further comprises a jacking cylinder 7, and a piston rod of the jacking cylinder 7 is connected with the positioning base plate 1. Jacking cylinder 7 has the effect of supplementary buffering, and jacking cylinder 7 and jacking gear 61 and jacking rack 62 cooperation work make positioning fixture more steady at the rising with the decline in-process.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A positioning jig, comprising:
positioning the substrate;
the first clamping assembly is arranged on the opposite upper left side of the positioning substrate, the first clamping assembly is rotatably connected with the positioning substrate, and the first clamping assembly comprises a first positioning part;
the second clamping assembly is arranged on the opposite upper right side of the positioning substrate, is rotatably connected with the positioning substrate and comprises a second positioning part, and a positioning clamping space is arranged between the first positioning part and the second positioning part;
the opening and closing driving device comprises an opening and closing fixing end and an opening and closing movement end, the opening and closing fixing end is connected to the positioning base plate, the first clamping assembly and the second clamping assembly are in transmission connection with the opening and closing movement end, and the opening and closing movement end drives the first clamping assembly and the second clamping assembly to synchronously rotate, so that the first positioning portion and the second positioning portion are synchronously close to or far away from each other.
2. The positioning jig of claim 1, wherein the first clamping assembly includes a first rotating block rotatably connected to the positioning base plate, the first positioning portion is provided on an upper side of the first rotating block, the second clamping assembly includes a second rotating block rotatably connected to the positioning base plate, the second positioning portion is provided on an upper side of the second rotating block, and the opening/closing movement end is drivingly connected to the first rotating block and the second rotating block.
3. The positioning fixture according to claim 2, wherein the first rotating block is provided with a first transmission tooth portion, the second rotating block is provided with a second transmission tooth portion, the first transmission tooth portion is engaged with the second transmission tooth portion, and the opening/closing moving end is connected to the first rotating block or the second rotating block.
4. The positioning fixture according to claim 3, wherein the opening/closing driving device is disposed at a lower side of the positioning substrate, the opening/closing driving device comprises an opening/closing cylinder, a cylinder body of the opening/closing cylinder is the opening/closing fixing end, a piston rod of the opening/closing cylinder is the opening/closing moving end, the opening/closing fixing end is rotatably connected to the positioning substrate, and a connecting portion is disposed at a lower side of the first rotating block or the second rotating block and rotatably connected to the opening/closing moving end.
5. The positioning fixture according to claim 2, wherein a first positioning post extending in a vertical direction is fixedly connected to an upper side of the first rotating block, a first positioning sleeve is rotatably connected to an outer side of the first positioning post, the first positioning portion includes the first positioning sleeve, a second positioning post extending in a vertical direction is fixedly connected to an upper side of the second rotating block, a second positioning sleeve is rotatably connected to an outer side of the second positioning post, and the second positioning portion includes the second positioning sleeve.
6. The positioning jig according to claim 2, wherein an idler is rotatably connected to an upper side of the positioning base plate, an axial direction of the idler extends in a left-right direction, and a top of the idler is higher than upper sides of the first rotating block and the second rotating block.
7. A pipe jacking device, characterized by comprising the positioning jig of any one of claims 1 to 6.
8. The pipe jacking device according to claim 7, further comprising a jacking driving device, wherein the jacking driving device comprises a jacking fixed end and a jacking moving end, the jacking moving end can move up and down, and the positioning base plate is connected to the jacking moving end.
9. The pipe jacking device according to claim 8, wherein the jacking driving device comprises a jacking rack and a jacking gear, the jacking rack extends in the vertical direction, the jacking rack is fixedly connected with the positioning base plate, the axis of the jacking gear is relatively fixed, the jacking fixing end comprises the jacking gear, and the jacking moving end comprises the jacking rack.
10. The pipe jacking device of claim 9, wherein the jacking driving device further comprises a jacking cylinder, and a piston rod of the jacking cylinder is connected with the positioning base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122085528.1U CN215790224U (en) | 2021-08-31 | 2021-08-31 | Positioning fixture and pipe jacking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122085528.1U CN215790224U (en) | 2021-08-31 | 2021-08-31 | Positioning fixture and pipe jacking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215790224U true CN215790224U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122085528.1U Active CN215790224U (en) | 2021-08-31 | 2021-08-31 | Positioning fixture and pipe jacking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215790224U (en) |
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2021
- 2021-08-31 CN CN202122085528.1U patent/CN215790224U/en active Active
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