CN211649355U - Natural gas line is welded junction group and is assembled device speedily carries out rescue work - Google Patents
Natural gas line is welded junction group and is assembled device speedily carries out rescue work Download PDFInfo
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- CN211649355U CN211649355U CN201922372671.1U CN201922372671U CN211649355U CN 211649355 U CN211649355 U CN 211649355U CN 201922372671 U CN201922372671 U CN 201922372671U CN 211649355 U CN211649355 U CN 211649355U
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Abstract
The utility model provides a natural gas pipeline emergency weld crater assembly device, which comprises a first pipeline fixing component and a second pipeline fixing component; the first pipeline fixing assembly comprises a plurality of pipe clamping blocks, a plurality of connecting pieces and a plurality of first ejector rods, the plurality of pipe clamping blocks are of arc structures, the plurality of pipe clamping blocks are detachably connected into an annular structure through the connecting pieces, the plurality of first ejector rods are arranged on the annular structure at intervals along the circumferential direction of the annular structure, and the plurality of first ejector rods are arranged along the radial direction of the annular structure; the second pipeline fixing assembly comprises a plurality of connecting rods and a plurality of second ejector rods, one ends of the connecting rods are fixedly arranged on the annular structure along the circumferential direction of the annular structure, the other ends of the connecting rods extend along the axial direction of the annular structure, at least one second ejector rod is arranged on each connecting rod, and the second ejector rods are arranged along the radial direction of the annular structure. The device can be suitable for assembling the pipelines with different diameters.
Description
Technical Field
The utility model relates to a natural gas equipment field, in particular to natural gas line is speedily carried out rescue work and is welded junction group to device.
Background
In the maintenance of the natural gas pipeline, along with the improvement of the requirements on quality and speed in emergency maintenance engineering, the quality of a weld crater assembly link in the emergency maintenance construction is ensured to be particularly important while the construction operation is safely and efficiently carried out, and even the final welding quality is directly influenced.
The pipeline weld crater group needs to coaxially arrange two pipelines and align and weld the craters of the two pipelines. The basic requirements for the pipeline welded junction combination are that the used tool is light and convenient, the operation is simple, and the working efficiency can be improved to the maximum extent. The pipeline group in the existing market is to the device and is generally only applicable to single diameter pipeline, leads to needs to be equipped with corresponding group according to the pipeline of different diameters size and to the device, and the suitability is poor.
SUMMERY OF THE UTILITY MODEL
The embodiment of the disclosure provides a natural gas pipeline is speedily carried out rescue work and is welded a mouthful group to device can realize the coaxial fixed connection of pipeline, can also carry out fixed connection to the pipeline of different diameters simultaneously, and the promotion of big limit carries out the work efficiency that the welded a mouthful was right to the pipeline of different diameters. The technical scheme is as follows:
the utility model provides a natural gas pipeline emergency welding port assembly device, which comprises a first pipeline fixing component and a second pipeline fixing component;
the first pipeline fixing assembly comprises a plurality of pipe clamping blocks, a plurality of connecting pieces and a plurality of first ejector rods, the plurality of pipe clamping blocks are of arc structures, the plurality of pipe clamping blocks are detachably connected through the connecting pieces to form an annular structure, the plurality of first ejector rods are arranged on the annular structure at intervals along the circumferential direction of the annular structure, and the plurality of first ejector rods are arranged along the radial direction of the annular structure;
the second pipeline fixing component comprises a plurality of connecting rods and a plurality of second ejector rods, one ends of the connecting rods are arranged along the circumferential direction of the annular structure and are fixedly arranged on the annular structure, the other ends of the connecting rods are arranged along the axial direction of the annular structure, at least one second ejector rod is arranged on each connecting rod, and the second ejector rods are arranged along the radial direction of the annular structure.
Optionally, the plurality of tube clips include a plurality of first tube clips, two second tube clips, and two third tube clips;
at least one first pipe clamping block is connected between the two second pipe clamping blocks, and the two second pipe clamping blocks and the first pipe clamping block positioned between the two second pipe clamping blocks are connected to form a first arc structure;
at least one first pipe clamping block is connected between the two third pipe clamping blocks, and the two third pipe clamping blocks and the first pipe clamping block positioned between the two third pipe clamping blocks are connected to form a second arc structure;
the first circular arc structure and the second circular arc structure are detachably connected to form the annular structure.
Optionally, each first tube fixture block comprises an arc-shaped tube fixture block body and two connecting ear plates extending outwards from two ends of the tube fixture block body.
Optionally, each second tube clamp block comprises a tube clamp block body and a connecting lug plate extending outwards along one end of the tube clamp block body, a flange plate is arranged at the other end of the tube clamp block body, and the structure of the third tube clamp block is the same as that of the second tube clamp block.
Optionally, the connector comprises a first connector and a second connector;
each connecting lug plate is provided with a first pin hole matched with the first connecting piece, and the axial direction of each first pin hole is parallel to the axial direction of the annular structure;
and each flange plate is provided with a second threaded hole matched with the second connecting piece, and the axial direction of the second threaded hole is perpendicular to the axial direction of the annular structure.
Optionally, the assembly device for the natural gas pipeline emergency weld crater further comprises a gap adjusting assembly, wherein the gap adjusting assembly comprises a universal joint, a locking screw and a locking nut;
the connecting rod is provided with a sliding groove extending along the axial direction of the connecting rod and a sliding block arranged in the sliding groove in a sliding way;
the end part of the locking screw is connected with the universal joint, the universal joint is rotationally connected to the sliding block, the locking nut is sleeved on the locking screw, and the locking nut is fixedly connected with the connecting rod;
the second ejector rod is arranged on the sliding block.
Optionally, the slider is gone up to follow the extending direction of spout is equipped with three the second ejector pin, three the equidistant interval of second ejector pin sets up.
Optionally, the second pipe fixing assembly comprises four connecting rods arranged along the circumferential direction of the annular structure, and two adjacent connecting rods are arranged at an interval of 90 °.
Optionally, a plurality of the first ejector rods are arranged at equal intervals along the circumferential direction of the annular structure.
Optionally, the plurality of first ejector rods are screw rods, the plurality of pipe clamp blocks are provided with a plurality of first ejector rod mounting holes corresponding to the plurality of first ejector rods one to one, and the plurality of first ejector rods are respectively inserted into the plurality of first ejector rod mounting holes;
or, be equipped with a plurality of locating parts on a plurality of pipe fixture blocks, a plurality of first ejector pins set up respectively in a plurality of locating parts.
The technical scheme provided by the embodiment of the disclosure has the following beneficial effects:
through setting up this natural gas line emergency welding opening group to the device, can be with the coaxial fixed connection of first pipeline and second pipeline to in aim at the welding with the welding opening of first pipeline and second pipeline. When the pipeline clamping device is used specifically, the annular structure formed by the plurality of pipe clamping blocks can be coaxially sleeved outside the first pipeline, so that the plurality of first push rods tightly push the first pipeline, and the first pipeline fixing assembly is used for clamping and fixing the first pipeline. Then can be with the relative setting of crater with second pipeline and first pipeline to make the coaxial cover of a plurality of connecting rods establish outside the second pipeline, a plurality of second ejector pins push up the second pipeline, in order to realize that the fixed subassembly of second pipeline is fixed to the clamp of second pipeline is tight. And because a plurality of connecting rods set up along the circumference of loop configuration, consequently, a plurality of connecting rods are coaxial with the loop configuration, can be so that the first pipeline of being pushed up tightly by a plurality of first ejector pins is coaxial with the second pipeline of being pushed up tightly by a plurality of second ejector pins, realize the coaxial fixed connection of first pipeline and second pipeline to can be convenient for carry out pipeline emergency repair weld crater group to work. Meanwhile, the device can adjust the number of the pipe clamping blocks according to the outer diameter of the pipeline, so that the inner diameter of an annular structure formed by the pipe clamping blocks is always larger than the outer diameter of the pipeline, the pipelines with different diameters are fixedly connected, the operation is convenient, and the work efficiency of welding port assembly is improved for the pipelines with different diameters to a large extent.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic structural view of a first pipe securing assembly provided in accordance with an embodiment of the present disclosure;
FIG. 2 is a schematic structural view of a second pipe securing assembly provided in accordance with an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a first tube clip provided in the embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a second tube clip provided in the embodiment of the present disclosure;
FIG. 5 is a schematic view of a portion of a first pipe securing assembly according to an embodiment of the present disclosure;
FIG. 6 is a schematic view of a use of a gap adjustment assembly provided by an embodiment of the present disclosure;
fig. 7 is a view from direction a of fig. 6.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.
The utility model provides a natural gas line welded junction group of speedily carrying out rescue work is to device, this natural gas line welded junction group of speedily carrying out rescue work is to device include the fixed subassembly of first pipeline and the fixed subassembly of second pipeline.
The embodiment of the disclosure provides a natural gas pipeline emergency welding port pairing device which comprises a first pipeline fixing component 10 and a second pipeline fixing component 20.
Fig. 1 is a schematic structural diagram of a first pipe fixing assembly according to an embodiment of the present disclosure, and as shown in fig. 1, the first pipe fixing assembly 10 includes a plurality of pipe blocks 11, a plurality of connecting members 12, and a plurality of first push rods 13. A plurality of pipe fixture blocks 11 are arc structures, and a plurality of pipe fixture blocks 11 are detachably connected through connecting pieces 12 to form an annular structure. The plurality of first ejector rods 13 are arranged on the annular structure at intervals along the circumferential direction of the annular structure, and the plurality of first ejector rods 13 are all arranged along the radial direction of the annular structure.
Fig. 2 is a schematic structural diagram of a second pipe fixing assembly provided in an embodiment of the present disclosure, and as shown in fig. 2, the second pipe fixing assembly 20 includes a plurality of connecting rods 21 (only one is shown in fig. 2) and a plurality of second carrier rods 22. One end of the plurality of connecting rods 21 is fixedly arranged on the annular structure along the circumferential direction of the annular structure, and the other end of the plurality of connecting rods 21 extends along the axial direction of the annular structure. Each connecting rod 21 is provided with at least one second top rod 22, and the second top rods 22 are arranged along the radial direction of the annular structure.
This disclosed embodiment can be with the coaxial fixed connection of first pipeline and second pipeline through setting up this natural gas line emergency repair crater group to the device to in aim at the welding with the crater of first pipeline and second pipeline. When the pipeline clamping device is used specifically, the annular structure formed by the plurality of pipe clamping blocks can be coaxially sleeved outside the first pipeline, so that the plurality of first push rods tightly push the first pipeline, and the first pipeline fixing assembly is used for clamping and fixing the first pipeline. Then can be with the relative setting of crater with second pipeline and first pipeline to make the coaxial cover of a plurality of connecting rods establish outside the second pipeline, a plurality of second ejector pins push up the second pipeline, in order to realize that the fixed subassembly of second pipeline is fixed to the clamp of second pipeline is tight. And because a plurality of connecting rods set up along the circumference of loop configuration, consequently, a plurality of connecting rods are coaxial with the loop configuration, can be so that the first pipeline of being pushed up tightly by a plurality of first ejector pins is coaxial with the second pipeline of being pushed up tightly by a plurality of second ejector pins, realize the coaxial fixed connection of first pipeline and second pipeline to can be convenient for carry out pipeline emergency repair weld crater group to work. Meanwhile, the device can adjust the number of the pipe clamping blocks according to the outer diameter of the pipeline, so that the inner diameter of an annular structure formed by the pipe clamping blocks is always larger than the outer diameter of the pipeline, the pipelines with different diameters are fixedly connected, the operation is convenient, and the work efficiency of welding port assembly is improved for the pipelines with different diameters to a large extent. And the device can also ensure the flow safety of the emergency welding port assembly construction operation and ensure the welding seam assembly quality.
In the present embodiment, the second pipe fixing assembly 20 includes four connecting rods 21 arranged along the circumferential direction of the ring structure, and two adjacent connecting rods 21 are arranged at an interval of 90 °.
Optionally, the plurality of tube clamping blocks 11 are aluminum alloy tube clamping blocks, so that the weight of the device can be reduced to the greatest extent on the basis of meeting the stability.
Alternatively, as shown in fig. 1, the plurality of tube latches 11 includes a plurality of first tube latches 111, two second tube latches 112, and two third tube latches 113.
At least one first pipe clamping block 111 is connected between the two second pipe clamping blocks 112, and the two second pipe clamping blocks 112 and the first pipe clamping block 111 positioned between the two second pipe clamping blocks 112 are connected to form a first circular arc structure.
At least one first pipe clamping block 111 is connected between the two third pipe clamping blocks 113, and the two third pipe clamping blocks 113 and the first pipe clamping block 111 positioned between the two third pipe clamping blocks 113 are connected to form a second circular arc structure.
The first circular arc structure and the second circular arc structure are detachably connected to form a ring-shaped structure.
The length of the first circular arc structure or the second circular arc structure can be changed by increasing or decreasing the number of the first pipe latches 111, so that the diameter of the formed ring structure can be changed to clamp and fix the first pipes 100 of different diameters.
Optionally, a plurality of first push rods 13 are arranged at equal intervals along the circumferential direction of the ring structure to ensure that the first pipeline 100 is uniformly stressed.
In the embodiment, four first push rods 13 are provided, and two adjacent first push rods 13 are spaced by 90 ° to uniformly clamp the first pipeline 100 from four directions, so as to ensure the clamping effect of the first fastening piece 13 on the first pipeline 100.
Alternatively, the plurality of first carrier rods 13 are screws.
In an implementation manner of the embodiment of the present disclosure, a plurality of first ejector rod mounting holes 11a (only one is shown in fig. 1) corresponding to the plurality of first ejector rods 13 one to one are provided on the plurality of pipe clamp blocks 11, and the plurality of first ejector rods 13 are respectively inserted into the plurality of first ejector rod mounting holes 11 a.
The first ejector rod mounting hole 11a is a threaded hole, and one end of the first ejector rod 13 penetrates through the first ejector rod mounting hole 11a to abut against the outer wall of the first pipeline 100. By rotating the first push rod 13, the first push rod 13 can push the first pipeline 100 tightly.
In another implementation manner of the embodiment of the present disclosure, a plurality of limiting members 11b are disposed on the plurality of tube clamping blocks 11, and the plurality of first push rods 13 are disposed in the plurality of limiting members 11b, respectively. By adjusting the position of the first top rod 13 in the limiting member 11b, the first top rod 13 can tightly push the first pipeline 100.
For example, the limiting member 11b may be a block structure with a threaded hole in the middle. The limiting member 11b is fixedly disposed on a side surface of the pipe block 11. In this implementation, the length of the first jack 13 can be set shorter.
Fig. 3 is a schematic structural diagram of a first tube block provided in an embodiment of the present disclosure, and as shown in fig. 3, each first tube block 111 includes an arc-shaped tube block body 110 and two connecting ear plates 110a extending outwards along two ends of the tube block body 110.
Through setting first pipe fixture block 111 to above-mentioned structure, can connect through the connection otic placode between two adjacent first pipe fixture blocks 111 to can prevent to take place the drunkenness between a plurality of first pipe fixture blocks 111, guarantee each first pipe fixture block 111's axiality.
Fig. 4 is a schematic structural diagram of a second tube block provided in an embodiment of the present disclosure, and as shown in fig. 4, each second tube block 112 includes a tube block body 110 and a connection ear plate 110a extending outwards along one end of the tube block body 110, and a flange plate 110b is provided at the other end of the tube block body 110.
The third tube stopper 113 has the same structure as the second tube stopper 112.
By configuring the second tube stopper 112 and the third tube stopper 113 in the above structure, the second tube stopper 112 or the third tube stopper 113 may be connected to the first tube stopper 111 through the connection lug, so that play between the second tube stopper 112 and the first tube stopper 111 or between the third tube stopper 113 and the first tube stopper 111 may be prevented, and coaxiality of each tube stopper 11 may be ensured.
Alternatively, referring to fig. 1, the connector 12 includes a first connector 121 and a second connector 122.
Each flange plate 110b is provided with a second threaded hole 122a matched with the second connecting piece 122, and the axial direction of the second threaded hole 122a is perpendicular to the axial direction of the annular structure. The second pipe clamp block 112 and the flange plates at both ends of the third pipe clamp block may be connected by the second connection member 122.
For example, the second connector 122 may be a screw, and the first connector 121 may be a pin. The pipe clamping blocks are in limit connection through the pin shafts, the second pipe clamping block 112 and the third pipe clamping block 113 are locked through the screw rods, and the diameter of the formed annular structure can be adjusted by rotating the second connecting piece 122.
Fig. 5 is a partial structural schematic view of a first pipe fixing assembly according to an embodiment of the present disclosure, and as shown in fig. 5, each of the connecting lug plates 110a is provided with a first pin hole 121a matched with the first connecting member 121. The axial direction of the first pin hole 121a is parallel to the axial direction of the ring structure.
In this implementation manner, the number of the first tube clip blocks 111 may be increased or decreased according to the outer diameter of the first tube 100, so that the first pin holes 121a of the connection ear plates 110a of each tube clip block 11 are aligned, and then the first connecting member 121 is inserted into the first pin holes 121a of the connection ear plates 110a of two adjacent tube clip blocks 11, so as to form an annular structure larger than the outer diameter of the first tube 100 and be sleeved outside the first tube 100.
Fig. 6 is a schematic diagram illustrating the use of a gap adjustment assembly according to an embodiment of the present disclosure, and fig. 7 is a view from a direction a of fig. 6, and as shown in fig. 6 and 7, the assembly apparatus for a gas pipeline emergency welding port further includes a gap adjustment assembly 30. The gap adjustment assembly 30 includes a universal joint 31, a lock screw 32, and a lock nut 33.
The connecting rod 21 is provided with a slide groove 21a extending in the axial direction thereof and a slider 21b slidably disposed in the slide groove 21 a.
The end of the locking screw 32 is connected with a universal joint 31, the universal joint 31 is rotatably connected to the sliding block 21b, a locking nut 33 is sleeved on the locking screw 32, and the locking nut 33 is fixedly connected with the connecting rod 21.
The second jack 22 is provided on the slider 21 b.
When the pipeline adjusting device is used specifically, after the second push rods 22 clamp and fix the second pipeline 200, the locking screw 32 can be rotated, so that the locking screw 32 pushes the universal joint 31 to drive the sliding block 21b to move along the extending direction of the sliding groove 21a, and further the second pipeline 200 can be driven to move towards the direction close to or far away from the first pipeline 100, so as to adjust the gap between the first pipeline 100 and the second pipeline 200.
Wherein, drive slider 21b through rotatory locking screw 32 and remove, can be so that slider 21 b's removal is more stable, and the tensile stress that produces is strong more favorable to the adjustment in butt weld clearance.
Optionally, three second push rods 22 are arranged on the sliding block 21b along the extending direction of the sliding chute 21a, and the three second push rods 22 are arranged at equal intervals along the extending direction of the sliding chute 31 a. By providing three second push rods 22 on each slide block 21b, the clamping and fixing effect of the second pipeline fixing assembly 20 on the second pipeline 200 can be ensured.
Optionally, the plurality of second ejector rods 22 are screws, each sliding block 21b is provided with a threaded hole matched with the plurality of second ejector rods 22, one end of each second ejector rod 22 penetrates through the corresponding sliding block 21b to abut against the outer wall of the second pipeline 200, and the position of the second ejector rod 22 can be adjusted by rotating the second ejector rod 22, so that the second pipeline 200 is clamped by the second ejector rod 22.
In this embodiment, the connecting rod 21 may also be a hollow square steel structure to facilitate the arrangement of the sliding groove 21a and the sliding block 21 b.
The above description is intended to be exemplary only and not to limit the present disclosure, and any modification, equivalent replacement, or improvement made without departing from the spirit and scope of the present disclosure is to be considered as the same as the present disclosure.
Claims (10)
1. The natural gas pipeline emergency weld crater assembly device is characterized by comprising a first pipeline fixing assembly (10) and a second pipeline fixing assembly (20);
the first pipeline fixing assembly (10) comprises a plurality of pipe clamping blocks (11), a plurality of connecting pieces (12) and a plurality of first ejector rods (13), the pipe clamping blocks (11) are all of arc-shaped structures, the pipe clamping blocks (11) are detachably connected through the connecting pieces (12) to form an annular structure, the first ejector rods (13) are arranged on the annular structure at intervals along the circumferential direction of the annular structure, and the first ejector rods (13) are arranged along the radial direction of the annular structure;
the second pipeline fixing component (20) comprises a plurality of connecting rods (21) and a plurality of second ejector rods (22), one ends of the connecting rods (21) are arranged on the annular structure in a circumferential fixing mode, the other ends of the connecting rods (21) extend in the axial direction of the annular structure, each connecting rod (21) is provided with at least one second ejector rod (22), and the second ejector rods (22) are arranged in the radial direction of the annular structure.
2. The assembly device for the natural gas pipeline emergency weld crater according to claim 1, wherein the plurality of pipe clamping blocks (11) comprise a plurality of first pipe clamping blocks (111), two second pipe clamping blocks (112) and two third pipe clamping blocks (113);
at least one first pipe clamping block (111) is connected between the two second pipe clamping blocks (112), and the two second pipe clamping blocks (112) and the first pipe clamping block (111) positioned between the two second pipe clamping blocks (112) are connected to form a first arc structure;
at least one first pipe clamping block (111) is connected between the two third pipe clamping blocks (113), and the two third pipe clamping blocks (113) and the first pipe clamping block (111) positioned between the two third pipe clamping blocks (113) are connected to form a second arc structure;
the first circular arc structure and the second circular arc structure are detachably connected to form the annular structure.
3. The assembly device for the natural gas pipeline emergency weld crater according to claim 2, wherein each first tube clamping block (111) comprises an arc-shaped tube clamping block body (110) and two connecting lug plates (110a) extending outwards along two ends of the tube clamping block body (110).
4. The assembly device for the natural gas pipeline emergency weld crater according to claim 3, wherein each second pipe clamp block (112) comprises the pipe clamp block body (110) and the connecting lug plate (110a) extending outwards along one end of the pipe clamp block body (110), a flange plate (110b) is arranged at the other end of the pipe clamp block body (110), and the structure of the third pipe clamp block (113) is the same as that of the second pipe clamp block (112).
5. The assembly device of claim 4, wherein the connector (12) comprises a first connector (121) and a second connector (122);
each connecting lug plate (110a) is provided with a first pin hole (121a) matched with the first connecting piece (121), and the axial direction of the first pin hole (121a) is parallel to the axial direction of the annular structure;
and each flange plate (110b) is provided with a second threaded hole (122a) matched with the second connecting piece (122), and the axial direction of the second threaded hole (122a) is perpendicular to the axial direction of the annular structure.
6. The natural gas pipeline emergency weld crater assembly device according to claim 1, further comprising a gap adjustment assembly (30), wherein the gap adjustment assembly (30) comprises a universal joint (31), a locking screw (32) and a locking nut (33);
the connecting rod (21) is provided with a sliding groove (21a) extending along the axial direction of the connecting rod and a sliding block (21b) arranged in the sliding groove (21a) in a sliding way;
the end part of the locking screw rod (32) is connected with the universal joint (31), the universal joint (31) is rotatably connected to the sliding block (21b), the locking nut (33) is sleeved on the locking screw rod (32), and the locking nut (33) is fixedly connected with the connecting rod (21);
the second ejector rod (22) is arranged on the sliding block (21 b).
7. The assembly device for the natural gas pipeline emergency weld crater according to claim 6, wherein the sliding block (21b) is provided with three second ejector rods (22) along the extending direction of the sliding groove (21a), and the three second ejector rods (22) are arranged at equal intervals.
8. The assembly device for the natural gas pipeline emergency weld crater according to any one of claims 1 to 7, characterized in that the second pipeline fixing assembly (20) comprises four connecting rods (21) arranged along the circumferential direction of the annular structure, and two adjacent connecting rods (21) are arranged at an interval of 90 degrees.
9. The assembly device for the natural gas pipeline emergency weld crater according to any one of claims 1 to 7, wherein a plurality of first ejector rods (13) are arranged at equal intervals along the circumferential direction of the annular structure.
10. The assembly device for the natural gas pipeline emergency weld crater according to any one of claims 1 to 7, wherein the first push rods (13) are threaded rods, the pipe clamping blocks (11) are provided with a plurality of first push rod mounting holes (11a) which correspond to the first push rods (13) one by one, and the first push rods (13) are respectively inserted into the first push rod mounting holes (11 a);
or, a plurality of limiting pieces (11b) are arranged on the plurality of pipe clamping blocks (11), and the plurality of first ejector rods (13) are respectively arranged in the plurality of limiting pieces (11 b).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922372671.1U CN211649355U (en) | 2019-12-24 | 2019-12-24 | Natural gas line is welded junction group and is assembled device speedily carries out rescue work |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922372671.1U CN211649355U (en) | 2019-12-24 | 2019-12-24 | Natural gas line is welded junction group and is assembled device speedily carries out rescue work |
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| CN211649355U true CN211649355U (en) | 2020-10-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117161655A (en) * | 2023-11-01 | 2023-12-05 | 成都大金航太科技股份有限公司 | Anti-deformation inner and outer double-clamping structure for large-diameter thin-wall pipe |
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2019
- 2019-12-24 CN CN201922372671.1U patent/CN211649355U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117161655A (en) * | 2023-11-01 | 2023-12-05 | 成都大金航太科技股份有限公司 | Anti-deformation inner and outer double-clamping structure for large-diameter thin-wall pipe |
| CN117161655B (en) * | 2023-11-01 | 2024-01-30 | 成都大金航太科技股份有限公司 | Anti-deformation inner and outer double-clamping structure for large-diameter thin-wall pipe |
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