CN219950351U - Manual jacking device for pipeline - Google Patents
Manual jacking device for pipeline Download PDFInfo
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- CN219950351U CN219950351U CN202320633520.0U CN202320633520U CN219950351U CN 219950351 U CN219950351 U CN 219950351U CN 202320633520 U CN202320633520 U CN 202320633520U CN 219950351 U CN219950351 U CN 219950351U
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- jacking
- sleeve
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- manual
- nut
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- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The utility model relates to a manual jacking device for a pipeline, which is structurally characterized in that a sleeve is arranged on a base, a jacking rod is connected in the sleeve in a penetrating way, threads are arranged on the surface of the jacking rod, a jacking nut is connected to the jacking rod in a threaded way, the lower end face of the jacking nut is in contact with the upper end face of the sleeve, a supporting rod is arranged on one side of the sleeve, a crank is arranged on the supporting rod, the crank drives the jacking nut to rotate through a steering gear and a transmission mechanism, and a supporting bracket is arranged on the jacking rod. The utility model has simple structure and convenient use, and can manually, quickly and accurately adjust the lifting height.
Description
Technical Field
The utility model relates to a pipeline jacking device, in particular to a manual pipeline jacking device.
Background
When a gas pipeline is constructed, the pipeline needs to be lifted by a lifting device so that the pipeline reaches a preset height to perform operations such as butt welding. For some small pipelines or construction sites in remote areas, large hydraulic or electric jacking equipment is not suitable, and manual jacking equipment can only be generally adopted. The existing manual jacking equipment is generally a hydraulic jack, and the hydraulic jack needs to continuously swing a crank to jack the ejector rod when jacking, so that the efficiency is low. When the height of the pipeline needs to be reduced, the valve needs to be opened, the ejector rod automatically descends under the load effect, the descending height of the valve is difficult to control, and the valve can be adjusted for multiple times when the height of the pipeline is regulated, so that the construction efficiency of the pipeline can be influenced.
Disclosure of Invention
The utility model aims to provide a manual pipeline jacking device so as to solve the problem that the height of a pipeline is difficult to adjust by using the existing manual jacking equipment.
The utility model is realized in the following way: the utility model provides a manual jacking device of pipeline is provided with the sleeve on the base the cross-under has the jacking pole in the sleeve the surface of jacking pole is equipped with the screw thread threaded connection has the jacking nut on the jacking pole, the lower terminal surface of jacking nut with telescopic up end contact the telescopic one side is provided with the bracing piece be provided with the crank on the bracing piece, the crank passes through steering gear and drive mechanism drive the jacking nut is rotatory be provided with the support bracket on the jacking pole.
The surface of the jacking rod is provided with a limiting groove along the length direction, the inner wall of the upper end of the sleeve is provided with a limiting pin, and the limiting pin is inserted into the limiting groove.
The lower end of the jacking rod is provided with a sliding block, and the surface of the sliding block is in sliding contact with the inner wall of the sleeve.
The transmission mechanism comprises a large chain wheel, a small chain wheel and a chain, wherein the large chain wheel is fixedly connected with the jacking nut, the jacking rod penetrates through the center of the large chain wheel, and the small chain wheel is connected with an output shaft of the steering gear.
The steering gear is a bevel gear steering gear.
The support bracket is a V-shaped frame or an arc-shaped frame.
The base comprises a socket and rib plates, the rib plates are arranged around the socket, and the lower end of the sleeve is inserted into the socket and fixedly connected with the socket.
The lifting device is used for manually lifting the pipeline, and the lifting nut is driven to rotate forwards or reversely through the crank, so that the lifting rod and the support bracket are driven to move up and down. Meanwhile, the utility model transmits the power generated when the crank on one side of the device rotates to the jacking rod through steering and transmission, and the pipeline with larger weight can be jacked manually through a larger transmission ratio. The crank arranged at one side can not interfere with the pipeline and the like, so that the manual driving operation is convenient.
The utility model has no complex hydraulic system, simple structure and can manually, quickly and accurately adjust the lifting height.
Drawings
Fig. 1 is a structural diagram of the present utility model.
Figure 2 is a cross-sectional view of the present utility model.
Fig. 3 is A-A view of fig. 1.
Fig. 4 is a B-B view of fig. 2.
In the figure: 1. a base; 2. a sleeve; 3. jacking the nut; 4. a lifting rod; 5. a support rod; 6. a crank; 7. a diverter; 8. a transmission mechanism; 9. a support bracket; 1-1, a socket; 1-2, rib plates; 2-1, fixing the sleeve; 2-2, a limiting pin; 4-1, a limit groove; 4-2, sliding blocks; 8-1, small chain wheel; 8-2, large chain wheel; 8-3, a chain.
Detailed Description
As shown in fig. 1 and 2, the structure of the present utility model includes a base 1, a sleeve 2, a lifting rod 4, a lifting nut 3, a support bracket 9, a crank 6, a steering gear 7, a transmission mechanism 8, and the like.
Wherein, sleeve 2 is fixed on base 1, and sleeve 2 is vertical state, and the cross-under has jacking rod 4 in sleeve 2, and jacking rod 4 only can reciprocate, can't rotate around self axis, is equipped with the screw thread at the surface of jacking rod 4, and jacking nut 3 passes through the screw thread to be installed in the upper portion of jacking rod 4, and the lower terminal surface of jacking nut 3 and the up end contact of sleeve 2, when jacking nut 3 rotatory, drive jacking rod 4 reciprocates.
The crank 6 is arranged on one side of the device in order to prevent the crank 6 from interfering with the device and the lifted object when rotating by driving the lifting nut 3 to rotate through the steering gear 7 and the transmission mechanism 8. The support rod 5 is connected to the sleeve, the support rod 5 extends outwards from one side of the sleeve, the steering gear 7 is fixed to the support rod 5, the crank 6 is connected with an input shaft of the steering gear 7, an output shaft of the steering gear 7 is connected with the jacking nut 3 through the transmission mechanism 8, and the power rotating on the vertical plane is converted into the rotating power on the horizontal plane through the steering gear 7, so that the transmission mechanism 8 arranged horizontally is driven to drive the jacking nut 3 to rotate.
The jacking nut 3 moves up and down through the rotation drive jacking rod 4, because the jacking nut 3 is connected with the jacking rod 4 through screw thread fit, in order to improve the bearing capacity, the jacking nut 3 can not be too short to guarantee the area of contact of the screw thread between jacking nut 3 and the jacking rod 4, the screw thread can not damage when receiving great force.
On the jacking rod 4 there is provided a support bracket 9, the support bracket 9 being located on top of the jacking rod 4, the support bracket 9 being used for placing pipes.
As shown in FIG. 3, the transmission mechanism 8 comprises a large chain wheel 8-2, a small chain wheel 8-1 and a chain 8-3, wherein the large chain wheel 8-2 is fixedly connected with the jacking nut 3, the jacking rod 4 penetrates through the center of the large chain wheel 8-2, the jacking nut 3 rotates along with the large chain wheel 8-2, the large chain wheel 8-2 is not contacted with the jacking rod 4, and the small chain wheel 8-1 is connected with an output shaft of the steering gear 7.
The large sprocket 8-2 and the small sprocket 8-1 form a larger transmission ratio, so that a smaller driving force can provide a larger jacking force.
The transmission mechanism 8 can also adopt gear transmission, belt transmission and the like, but in the embodiment, the chain 8-3 sprocket transmission mechanism 8 is specifically selected in consideration of volume, mass and power transmission.
The steering gear 7 is in particular a bevel gear steering gear 7. The structure is that two bevel gears are meshed with each other, the rotating shaft of one bevel gear is an input shaft, the rotating shaft of the other bevel gear is an output shaft, and the power input and output directions are mutually perpendicular, so that power steering is realized. Other types of commercially available steering gears 7, such as worm gears 7 or universal joint steering gears 7, may be used as long as the directions of power input and output are perpendicular to each other.
As shown in fig. 4, a limit groove 4-1 is formed in the surface of the jacking rod 4 along the length direction thereof, a limit pin 2-2 is arranged on the inner wall of the upper end of the sleeve 2, the limit pin 2-2 is inserted into the limit groove 4-1, and the jacking rod 4 does not rotate when the jacking nut 3 rotates through the cooperation of the limit pin 2-2 and the limit groove 4-1, so that the jacking rod 4 can be driven to move up and down through the rotation of the jacking nut 3.
Specifically, a fixed sleeve 2-1 is arranged on the inner wall of the top of the sleeve 2, the limiting pin 2-2 is welded on the fixed sleeve 2-1, and the fixed sleeve 2-1 can limit the movement of the jacking rod 4 in the horizontal direction.
A sliding block 4-2 is arranged at the lower end of the jacking rod 4, and the surface of the sliding block 4-2 is in sliding contact with the inner wall of the sleeve 2. When the jacking rod 4 moves up and down, the sliding block 4-2 slides up and down in the sleeve 2, thereby improving the smoothness of the up and down movement of the jacking rod 4.
Wherein, base 1 includes socket 1-1 and floor 1-2, and floor 1-2 sets up around socket 1-1, supports socket 1-1 by floor 1-2 to prevent the empting of socket 1-1, socket 1-1 is pegged graft and is connected with socket 1-1 fixed in socket 1-1 to sleeve 2 lower extreme.
The support bracket 9 is a V-shaped bracket or an arc-shaped bracket, the pipeline is supported by the V-shaped support bracket 9, and the pipeline can also be supported by the arc-shaped support bracket 9 with corresponding radian.
The support bracket 9 may be screw-mounted on top of the jacking rod 4 to facilitate its replacement.
The lifting device is used for manually lifting the pipeline, the lifting nut 3 is driven to rotate forwards or reversely through the crank 6, so that the lifting rod 4 and the support bracket 9 are driven to move up and down, and the lifting of the support bracket 9 can be driven through the crank 6, so that the height of the pipeline can be adjusted at any time, and the pipeline can be quickly adjusted to an accurate height when being connected in a butt joint mode, so that the accuracy of the butt joint is ensured. Meanwhile, the utility model transmits the power generated when the crank 6 at one side of the device rotates to the jacking rod 4 through steering and transmission, and the utility model can jack the pipeline with larger weight manually through a larger transmission ratio. The crank 6 arranged at one side can not interfere with a pipeline and the like, so that the manual driving operation is convenient.
The utility model has no complex hydraulic system, simple structure, convenient manufacture and lower cost, and can manually, quickly and accurately adjust the lifting height by the special structure.
Claims (7)
1. The utility model provides a manual jacking device of pipeline, its characterized in that is provided with the sleeve on the base the cross-under has the jacking pole in the sleeve the surface of jacking pole is equipped with the screw thread threaded connection has the jacking nut on the jacking pole, the lower terminal surface of jacking nut with telescopic up end contact the telescopic one side is provided with the bracing piece be provided with the crank on the bracing piece, the crank passes through steering gear and drive mechanism drive the jacking nut is rotatory be provided with the support bracket on the jacking pole.
2. The manual jacking device for a pipeline according to claim 1, wherein a limiting groove is formed in the surface of the jacking rod along the length direction of the jacking rod, and a limiting pin is arranged on the inner wall of the upper end of the sleeve and is inserted into the limiting groove.
3. The manual jacking device for pipes as claimed in claim 1, wherein a slider is provided at a lower end of said jacking rod, said slider surface being in slidable contact with an inner wall of said sleeve.
4. The manual jacking device of a pipeline according to claim 1, wherein the transmission mechanism comprises a large sprocket, a small sprocket and a chain, the large sprocket is fixedly connected with the jacking nut, the jacking rod penetrates through the center of the large sprocket, and the small sprocket is connected with an output shaft of the steering gear.
5. The pipe manual jacking device of claim 1, wherein said diverter is a bevel gear diverter.
6. The manual jacking device of a pipe as claimed in claim 1, wherein said support bracket is a V-shaped bracket or an arc-shaped bracket.
7. The manual jacking device for a pipeline according to claim 1, wherein the base comprises a socket and rib plates, the rib plates are arranged around the socket, and the lower end of the sleeve is inserted into the socket and fixedly connected with the socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320633520.0U CN219950351U (en) | 2023-03-28 | 2023-03-28 | Manual jacking device for pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320633520.0U CN219950351U (en) | 2023-03-28 | 2023-03-28 | Manual jacking device for pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219950351U true CN219950351U (en) | 2023-11-03 |
Family
ID=88538993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320633520.0U Active CN219950351U (en) | 2023-03-28 | 2023-03-28 | Manual jacking device for pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219950351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117515281A (en) * | 2024-01-03 | 2024-02-06 | 河北省天然气有限责任公司 | Water natural gas pipeline supporting structure |
-
2023
- 2023-03-28 CN CN202320633520.0U patent/CN219950351U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117515281A (en) * | 2024-01-03 | 2024-02-06 | 河北省天然气有限责任公司 | Water natural gas pipeline supporting structure |
| CN117515281B (en) * | 2024-01-03 | 2024-03-19 | 河北省天然气有限责任公司 | Water natural gas pipeline supporting structure |
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