CN212398690U - Petroleum pipeline welding jig that stability is high - Google Patents
Petroleum pipeline welding jig that stability is high Download PDFInfo
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- CN212398690U CN212398690U CN202020462175.5U CN202020462175U CN212398690U CN 212398690 U CN212398690 U CN 212398690U CN 202020462175 U CN202020462175 U CN 202020462175U CN 212398690 U CN212398690 U CN 212398690U
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- 239000003208 petroleum Substances 0.000 title claims abstract description 27
- 238000003466 welding Methods 0.000 title claims abstract description 21
- 230000009467 reduction Effects 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 1
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Abstract
The utility model provides a petroleum pipeline welding fixture with high stability, which comprises a base, a jacking cylinder, a pipeline supporting block, a first supporting frame, a second supporting frame, a clamping screw rod, a clamping motor, a first clamping semi-ring and a second clamping semi-ring, wherein one side of the first supporting frame opposite to the second supporting frame is provided with a semicircular channel, the inner side of the semicircular channel is provided with a semicircular groove, the two semicircular grooves can be oppositely combined into a ring groove, the side walls of the two sides of the ring groove are also provided with an annular chute, the two sides of the first clamping semi-ring and the second clamping semi-ring are provided with semicircular bulges matched with the ring groove, the outer sides of the first clamping semi-ring and the second clamping semi-ring are provided with a semicircular gear ring, the inner sides of the first clamping semi-ring and the second clamping semi-ring are also provided with a clamping cylinder, a, the driving gear is rotated along with the rotation of the driving rotating shaft, the utility model discloses simple structure, it is rotatory convenient, and comparatively labour saving and time saving.
Description
Technical Field
The utility model relates to a welding jig, especially a petroleum pipeline welding jig that stability is high.
Background
In the pipeline welding processes such as petrochemical, because the distance is very long, can not be a long pipe, need a lot of pipe to link together, in the place that pipe and pipe link to each other, need the welding together, in order to guarantee the leakproofness that the pipeline links to each other, because these pipelines are generally buried in the basement deeply, need have fine leakproofness, just so can reduce the leakage accident, guarantee the transportation, present welding jig structure is complicated mostly, the troublesome poeration, and can take place to slide in the clamping process, cause the welding seam too big, influence welding quality, especially when needing rotatory pipeline in the welding process, the operation is also comparatively loaded down with trivial details.
Therefore, a petroleum pipeline welding clamp which is simple in structure, convenient to rotate, time-saving and labor-saving and high in stability is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a petroleum pipeline welding jig that stability is high, simple structure, it is rotatory convenient, and comparatively labour saving and time saving.
The utility model provides a following technical scheme:
a petroleum pipeline welding fixture with high stability comprises a base, a jacking assembly fixed on the base and two groups of clamping assemblies positioned on two sides of the jacking assembly; the jacking assembly comprises a jacking oil cylinder and a pipeline supporting block, the jacking oil cylinder is fixed on the base, and a piston rod at the top of the jacking oil cylinder drives the connecting pipeline supporting block to lift; the clamping assembly comprises a first supporting frame, a second supporting frame, a clamping screw rod, a clamping motor, a first clamping semi-ring and a second clamping semi-ring, the first supporting frame and the second supporting frame are oppositely arranged, the bottoms of the first supporting frame and the second supporting frame are respectively provided with a sliding block in sliding connection with the base, the clamping screw rod is in threaded connection with and penetrates through the two groups of sliding blocks, the rotating directions of the two groups of sliding blocks on the clamping screw rod are opposite, one end of the clamping screw rod is fixedly connected with a motor shaft of the clamping motor, and the clamping motor is fixed on one side of the; one side of the first supporting frame, which is opposite to the second supporting frame, is provided with a semicircular channel, the two semicircular channels can be combined into a cylindrical channel for the petroleum pipeline to pass through, the arc-shaped side of the semicircular channel is provided with an outwards sunken semicircular groove, the two semicircular grooves can be oppositely combined into an annular groove, the side walls of the two sides of the annular groove are also provided with an annular sliding groove, the first clamping semi-ring and the second clamping semi-ring are respectively arranged in the two semicircular grooves, and both sides of the first clamping semi-ring and the second clamping semi-ring are provided with semicircular bulges which can be matched with the annular groove to rotate and slide, the arc outer sides of the first clamping semi-ring and the second clamping semi-ring are provided with semicircular gear rings, the two groups of semicircular gear rings can be relatively combined into an annular gear ring, at least two groups of clamping cylinders are further arranged on the arc inner sides of the first clamping semi-ring and the second clamping semi-ring, and a piston rod of each clamping cylinder is connected with a clamping block which can clamp towards the center of the first clamping semi-ring or the second clamping semi-ring; the bottom of the semicircular groove is also provided with a containing groove which deviates from the center of the semicircular groove, a driving gear which can be meshed with the annular gear ring is arranged in the containing groove, the center of the driving gear is connected with a driving rotating shaft, the driving rotating shaft is rotatably connected in the first supporting frame or the second supporting frame, and one end of the driving rotating shaft penetrates out of the first supporting frame or the second supporting frame to be connected with a speed reduction motor.
Preferably, the speed reducing motor is a self-locking worm and gear speed reducing motor.
Preferably, the top of the pipeline supporting block is provided with an arc-shaped groove which is concave downwards.
Preferably, the driving rotating shaft is rotatably connected in the first supporting frame or the second supporting frame through a bearing.
The utility model has the advantages that: arrange petroleum pipeline in on the pipeline supporting shoe, and through jacking cylinder jacking to take the altitude, make when starting clamping motor, can make first carriage and second carriage move until mutual butt in opposite directions, petroleum pipeline is located semi-circular passageway this moment, it can realize pressing from both sides tight fixed to petroleum pipeline to start clamping cylinder, when welding petroleum pipeline needs to rotate, the pipeline supporting shoe descends and breaks away from petroleum pipeline, and start gear motor, through the meshing effect of driving gear and semi-circular ring gear, realize the rotation of the petroleum pipeline after pressing from both sides tightly, not only comparatively labour saving and time saving, it is convenient to rotate, and the rotational stability and the better reliability.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a sectional view of the structure of the present invention;
FIG. 2 is a sectional view of the structure in which the first support frame and the second support frame are opposed;
notation in the figure: the device comprises a base 1, a jacking assembly 100, a clamping assembly 200, a jacking oil cylinder 2, a pipeline supporting block 3, a first supporting frame 4, a second supporting frame 5, a clamping screw rod 6, a clamping motor 7, a first clamping half ring 8, a second clamping half ring 9, a sliding block 10, a semicircular channel 11, a semicircular groove 12, a semicircular bulge 13, a semicircular gear ring 14, a clamping cylinder 15, a clamping block 16, a clamping block 17, an accommodating groove 18, a driving gear 19, a driving rotating shaft 19 and a speed reducing motor 20.
Detailed Description
Referring to fig. 1 to 2, the petroleum pipeline welding jig with high stability includes a base 1, a jacking assembly 100 fixed on the base 1, and two sets of clamping assemblies 200 located at two sides of the jacking assembly 100; the jacking assembly 100 comprises a jacking oil cylinder 2 and a pipeline supporting block 3, wherein the jacking oil cylinder 2 is fixed on the base 1, and a piston rod at the top of the jacking oil cylinder drives the pipeline supporting block 3 to lift; the clamping assembly 200 comprises a first supporting frame 4, a second supporting frame 5, a clamping screw rod 6, a clamping motor 7, a first clamping semi-ring 8 and a second clamping semi-ring 9, wherein the first supporting frame 4 and the second supporting frame 5 are oppositely arranged, the bottoms of the first supporting frame and the second supporting frame are respectively provided with a sliding block 10 which is in sliding connection with the base 1, the clamping screw rod 6 is in threaded connection and penetrates through the two groups of sliding blocks 10, the rotating directions of the two groups of sliding blocks on the clamping screw rod are opposite, one end of the clamping screw rod 6 is fixedly connected with a motor shaft of the clamping motor 7, and the clamping motor 7 is fixed on one side of; the opposite side of the first support frame 4 and the second support frame 5 is provided with a semicircular channel 11, the two semicircular channels 11 can be combined into a cylindrical channel for passing a petroleum pipeline, the arc-shaped side of the semicircular channel 11 is provided with an outwardly concave semicircular groove 12, the two semicircular grooves 12 can be relatively combined into an annular groove, the side walls of the two sides of the annular groove are also provided with an annular chute, the first clamping half ring 8 and the second clamping half ring 9 are respectively arranged in the two semicircular grooves 12, the two sides of the first clamping half ring 8 and the second clamping half ring 9 are also provided with semicircular bulges 13 which can be matched with the annular groove to rotate and slide, the arc-shaped outer sides of the first clamping half ring 8 and the second clamping half ring 9 are also provided with semicircular gear rings 14, the two groups of semicircular gear rings 14 can be relatively combined into an annular gear ring, the arc-shaped inner sides of the first clamping half ring 8 and the second, the piston rod of the clamping cylinder 15 is connected with a clamping block 16 which can clamp towards the center of the first clamping half ring 8 or the second clamping half ring 9; the bottom of the semicircular groove 12 is further provided with an accommodating groove 17 deviating from the center of the semicircular groove 12, a driving gear 18 capable of being meshed with the annular gear ring is arranged in the accommodating groove 17, the center of the driving gear 18 is connected with a driving rotating shaft 19, the driving rotating shaft 19 is rotatably connected in the first supporting frame 4 or the second supporting frame 5, and one end of the driving rotating shaft penetrates through the first supporting frame 4 or the second supporting frame 5 and is connected with a speed reduction motor 20.
The speed reducing motor 20 is a self-locking worm gear speed reducing motor.
The top of the pipeline supporting block 3 is provided with an arc-shaped groove which is concave downwards.
The driving rotating shaft 19 is rotatably connected in the first supporting frame 4 or the second supporting frame 5 through a bearing.
The utility model discloses a theory of operation is: arrange petroleum pipeline in on pipeline supporting shoe 3, and through jacking cylinder 2 jacking to take the altitude, make when starting clamping motor 7, can make first carriage 4 and second carriage 5 move until mutual butt in opposite directions, petroleum pipeline is located semi-circular passageway 11 this moment, it can realize pressing from both sides tight fixed to petroleum pipeline to start clamping cylinder 15, when welding petroleum pipeline needs to rotate, pipeline supporting shoe 3 descends and breaks away from petroleum pipeline, and start gear motor 20, meshing effect through driving gear 18 and semi-circular ring gear 14, realize the rotation of the petroleum pipeline after pressing from both sides tightly, not only comparatively labour saving and time saving, it is convenient to rotate, and the stability of rotation and reliability are better.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A petroleum pipeline welding clamp with high stability is characterized by comprising a base, a jacking assembly fixed on the base and two groups of clamping assemblies positioned on two sides of the jacking assembly;
the jacking assembly comprises a jacking oil cylinder and a pipeline supporting block, the jacking oil cylinder is fixed on the base, and a piston rod at the top of the jacking oil cylinder is connected with the pipeline supporting block in a driving mode to lift;
the clamping assembly comprises a first supporting frame, a second supporting frame, a clamping screw rod, a clamping motor, a first clamping semi-ring and a second clamping semi-ring, the first supporting frame and the second supporting frame are arranged oppositely, sliding blocks in sliding connection with the base are arranged at the bottoms of the first supporting frame and the second supporting frame, the clamping screw rod is in threaded connection with the two sliding blocks, the rotating directions of the two sliding blocks on the clamping screw rod are opposite, one end of the clamping screw rod is fixedly connected with a motor shaft of the clamping motor, and the clamping motor is fixed on one side of the base;
the opposite side of the first supporting frame and the second supporting frame is provided with a semicircular channel, the two semicircular channels can be combined into a cylindrical channel for a petroleum pipeline to pass through, the arc-shaped side of the semicircular channel is provided with an outwardly concave semicircular groove, the two semicircular grooves can be relatively combined into an annular groove, the side walls of the two sides of the annular groove are also provided with an annular chute, the first clamping semi-ring and the second clamping semi-ring are respectively arranged in the two semicircular grooves, the two sides of the first clamping semi-ring and the second clamping semi-ring are also provided with semicircular bulges which can be matched with the annular groove to rotate and slide, the arc-shaped outer sides of the first clamping semi-ring and the second clamping semi-ring are also provided with semicircular gear rings, the two groups of semicircular gear rings can be relatively combined into an annular gear ring, and the arc-shaped inner sides of the first clamping semi-ring and the second clamping, a piston rod of the clamping cylinder is connected with a clamping block which can clamp towards the center of the first clamping semi-ring or the second clamping semi-ring;
the tank bottom of semicircular groove still is equipped with one and deviates from the holding tank that semicircular groove center set up, be equipped with in the holding tank can with annular gear ring meshing's driving gear, the center of driving gear is connected with a initiative pivot, the initiative pivot is rotated and is connected first carriage or in the second carriage, and its one end is worn out first carriage or the second carriage is connected with a gear motor.
2. The petroleum pipeline welding jig with high stability as recited in claim 1, wherein the speed reduction motor is a self-locking worm gear speed reduction motor.
3. The petroleum pipeline welding jig with high stability as recited in claim 1, wherein the top of the pipeline supporting block is provided with an arc-shaped groove which is concave downwards.
4. The petroleum pipeline welding jig with high stability as recited in claim 1, wherein the driving rotating shaft is rotatably connected in the first supporting frame or the second supporting frame through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020462175.5U CN212398690U (en) | 2020-04-02 | 2020-04-02 | Petroleum pipeline welding jig that stability is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020462175.5U CN212398690U (en) | 2020-04-02 | 2020-04-02 | Petroleum pipeline welding jig that stability is high |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212398690U true CN212398690U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020462175.5U Expired - Fee Related CN212398690U (en) | 2020-04-02 | 2020-04-02 | Petroleum pipeline welding jig that stability is high |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212398690U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113700942A (en) * | 2021-10-26 | 2021-11-26 | 江苏嘉胜石油科技有限公司 | Support base for petroleum pipeline installation and maintenance |
| CN114571735A (en) * | 2022-03-08 | 2022-06-03 | 中建八局第二建设有限公司 | Novel PB/PPR pipe fitting butt joint device |
| CN114887951A (en) * | 2022-05-10 | 2022-08-12 | 无锡市第五人民医院 | Degassing unit for ultrasound department |
-
2020
- 2020-04-02 CN CN202020462175.5U patent/CN212398690U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113700942A (en) * | 2021-10-26 | 2021-11-26 | 江苏嘉胜石油科技有限公司 | Support base for petroleum pipeline installation and maintenance |
| CN114571735A (en) * | 2022-03-08 | 2022-06-03 | 中建八局第二建设有限公司 | Novel PB/PPR pipe fitting butt joint device |
| CN114571735B (en) * | 2022-03-08 | 2024-03-22 | 中建八局第二建设有限公司 | PB/PPR pipe fitting interfacing apparatus |
| CN114887951A (en) * | 2022-05-10 | 2022-08-12 | 无锡市第五人民医院 | Degassing unit for ultrasound department |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210126 |