CN217500477U - Large-pipe-diameter concrete pipeline splicing device - Google Patents
Large-pipe-diameter concrete pipeline splicing device Download PDFInfo
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- CN217500477U CN217500477U CN202222070504.3U CN202222070504U CN217500477U CN 217500477 U CN217500477 U CN 217500477U CN 202222070504 U CN202222070504 U CN 202222070504U CN 217500477 U CN217500477 U CN 217500477U
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Abstract
The utility model belongs to the technical field of the pipeline construction, especially, relate to a big pipe diameter concrete pipe splicing apparatus, include: the pipeline opening aligning structure comprises at least two variable-diameter scissor type clamps, each scissor type clamp comprises a plurality of scissor units and a plurality of first synchronous hydraulic rods, the scissor units are sequentially connected end to end through hinge joints, the middle of one scissor unit is in a split state and is connected with each other through an external structure; the supporting structure comprises a supporting top frame and a supporting upright post, the lower part of the supporting top frame is connected with a supporting sliding frame through a lifting mechanism, the supporting sliding frame extends along the axial direction of the concrete pipeline, and the lower part of the supporting sliding frame is connected with the upper part of the external structure in a sliding mode. By means of the characteristic that the central lines of the plurality of scissor-type clamps are always on the same straight line under the condition of the same diameter, the concentricity and the straightness accuracy of the large-diameter concrete pipeline in the butt construction process can be effectively controlled and adjusted, and subsequent quick butt joint is facilitated.
Description
Technical Field
The utility model belongs to the technical field of the pipeline construction, especially, relate to a big pipe diameter concrete pipeline splicing apparatus.
Background
With the continuous development of municipal engineering in China, the municipal engineering is infrastructure engineering of cities, is an engineering on which the cities live and develop, and is the basis of social and economic activities of the whole cities. The construction of first-class urban infrastructure is a basic condition for promoting the sustainable development of urban economy and society in China, and is an important factor for enhancing the comprehensive competitiveness of cities. With the development of national economy, urban infrastructure in China is also rapidly developed, working conditions of urban and rural people are continuously improved, and living standard is rapidly improved, so that the demand of people on municipal infrastructure is increased day by day. The drainage pipeline is an important component in drainage engineering, and the installation quality of the drainage pipeline directly influences the quality of the whole engineering and also influences the normal operation of the whole drainage system. In the process of laying a large-diameter pipeline, pipeline butt joint is an important ring in laying, the quality of butt joint directly influences the tightness of joints among pipe joints, the elevation of the pipeline and the axis deviation. At present, a crane is generally adopted to directly hoist the butt joint in China, and the method has the problems that the butt joint of the end parts of pipe joints is not in place, the joint between the pipe joints is not tight, the elevation and the axis deviation of a pipeline do not meet the standard requirements and the like, the water leakage phenomenon often occurs in the use process, the service life of the pipeline is influenced, the road surface is collapsed in serious conditions, and the safety of pedestrians and driving is influenced. Therefore, the research on the installation and construction method of the large-caliber pipeline is very important.
Therefore, based on the problems, the large-diameter concrete pipeline splicing device can solve the problems that the end parts of the pipelines are not butted in place manually, the seams among the pipelines are not tight, and the pipeline elevation and the axis deviation do not meet the standard requirements, and the like, and has important practical significance.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that exists among the above-mentioned prior art, provide one kind and can solve artifical installation pipeline tip butt joint not in place, the seam is not tight between the pipeline, pipeline elevation and axis deviation are not conform to the big pipe diameter concrete pipe way splicing apparatus of standard requirement scheduling problem.
The utility model discloses a solve the technical scheme who takes of this problem and be:
a large-diameter concrete pipeline splicing device comprises:
the pipeline butt joint structure comprises at least two variable-diameter scissor type clamps, each scissor type clamp comprises a plurality of scissor units and a plurality of first synchronous hydraulic rods, the scissor units are sequentially connected end to end through hinged joints, and the middle part of one scissor unit is in a split state and is connected with each other through an external structure;
the supporting structure comprises a supporting top frame and a supporting upright post, the lower portion of the supporting top frame is connected with a supporting sliding frame through a lifting mechanism, the supporting sliding frame extends along the axial direction of the concrete pipeline, the lower portion of the supporting sliding frame is in sliding connection with the upper portion of the external connection structure, and therefore the scissor type clamp slides along the axial direction of the supporting sliding frame along with the external connection structure.
Preferably, the scissor unit is an X-shaped scissor rod with the middle hinged, the number of the first synchronous hydraulic rods is at least two, and the first synchronous hydraulic rods are connected between the front hinged joint and the rear hinged joint which are opposite.
Further preferably, the scissoring unit in a split state comprises two V-shaped scissoring rods in opposite positions, and the middle parts of the V-shaped scissoring rods are hinged to the connecting unit.
Further preferably, the connecting unit comprises a connecting block, and a hinge cavity hinged to the V-shaped scissors rod is formed in the side surface of the connecting block.
Further preferably, the inner sides of the scissors units are respectively provided with a cushion plate layer with a shape matched with the scissors units.
Further preferably, the external structure comprises a sliding seat, a supporting vertical plate and a supporting transverse plate which are sequentially connected from top to bottom, and the external structure and the connecting unit are detachably mounted through external parts.
Further preferably, the external connector includes:
the connecting screw rods are symmetrically distributed on two sides of the supporting vertical plate in pairs and are vertically arranged at the upper end of the supporting transverse plate;
the connecting holes penetrate through the connecting blocks and are connected with the connecting screw rods in a one-to-one corresponding mode;
and the connecting nut is in threaded connection with the connecting screw rod and used for locking the connecting block.
Further preferably, the longitudinal section of the sliding seat is in an I shape, the lower part of the supporting sliding frame is provided with a slide way matched with the sliding seat in a sliding manner, the slide way extends along the axial direction of the concrete pipeline, and the front side and the rear side of the slide way are both in an open state.
Further preferably, the supporting top frame comprises a top frame main body and a cross-shaped supporting body connected to the inside of the top frame main body, the number of the supporting upright columns is at least four, and the supporting upright columns are vertically arranged at the lower end of the supporting top frame.
Further preferably, the lifting mechanism comprises at least three second synchronous hydraulic rods arranged along the axial direction of the concrete pipeline, the second synchronous hydraulic rods are vertically connected between the cross support body and the support sliding frame, rhombic units are arranged between the adjacent second synchronous hydraulic rods, the rhombic units are of rhombic structures hinged at edges, and the rhombic units are connected between the cross support body and the support sliding frame.
The utility model has the advantages and positive effects that:
1. the utility model discloses in, cut fork anchor clamps and have the variable footpath function, be adapted to and install on the big pipe diameter concrete pipe of multiple specification, be applicable to the concatenation of the big pipe diameter concrete pipe of multiple specification then.
2. The utility model discloses in, with the help of under the same diameter condition, this characteristic of a plurality of central lines of cutting fork anchor clamps all the time on same straight line, can effectually solve concentricity and the straightness accuracy control and the regulation of big pipe diameter concrete pipe in the butt joint work progress for the pipeline end butt joint targets in place, and the deviation of seam tightness, pipeline elevation and axis accords with the standard requirement between the pipeline, the subsequent quick butt joint of being convenient for.
3. The utility model discloses not only can reduce intensity of labour, but also can improve the efficiency of construction of pipeline butt joint, guarantee construction safety nature.
4. The utility model discloses in, the longitudinal section of sliding seat is "worker" font, and the lower part of supporting the balladeur train is equipped with the slide with sliding seat slip adaptation, and both sides all are open state around the slide, and this kind of design can satisfy on the one hand and can accomplish the operation of installing or dismantling between sliding seat and the slide according to the demand, and on the other hand can be after the second pipeline is adjusted to the position that has the concentricity with first pipeline, removes the second pipeline and makes two pairs of mouth clearances or the socket depth meet the demands.
5. In the utility model, when two V-shaped scissors fork rods need to be connected, the V-shaped scissors fork rod on one side is inserted into the connecting screw rod on one side of the supporting vertical plate through the connecting hole on the connecting block, and then the V-shaped scissors fork rod on the other side is inserted into the connecting screw rod on the other side of the supporting vertical plate through the connecting hole on the connecting block; on the contrary, when two V-shaped scissor rods need to be untied, the connecting nut is taken down, and the connecting blocks on the connecting screw rods on two sides of the supporting vertical plate are sequentially taken down, so that the operation is simple and convenient.
Drawings
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus are not intended to limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.
Fig. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is an exploded view of FIG. 2;
FIG. 4 is a right side view of FIG. 1;
FIG. 5 is an exploded view of FIG. 4;
FIG. 6 is a schematic structural view of the support structure of FIG. 1;
FIG. 7 is a schematic view of the pipe aligning structure of FIG. 1 in an assembled state with a concrete pipe;
FIG. 8 is a schematic view of the scissor clamp of FIG. 7 in an assembled state with a circumscribing structure;
FIG. 9 is an exploded view of FIG. 8;
FIG. 10 is a schematic view of the scissor clamp of FIG. 8 in an open position;
fig. 11 is a second schematic structural diagram of the present invention;
FIG. 12 is a schematic structural view of the support structure of FIG. 11;
fig. 13 is a third schematic structural view of the present invention;
FIG. 14 is a schematic structural view of the support structure of FIG. 13;
FIG. 15 is a schematic view of the pipe aligning structure of FIG. 13 in an assembled state with a concrete pipe;
FIG. 16 is a schematic view of the scissor clamp of FIG. 15 in an assembled state with a circumscribing structure;
FIG. 17 is an exploded view of FIG. 16;
fig. 18 is a schematic view of the scissor clamp of fig. 16 in an open position.
In the figure: 1-a concrete pipe; 2-an articulation joint; 3-a first synchronous hydraulic rod; 4-supporting the top frame; 5-supporting the upright column; 6-supporting the carriage; 7-X shaped scissor rods; 8-V-shaped scissor rods; 9-connecting blocks; 10-a backing plate layer; 11-a sliding seat; 12-a supporting riser; 13-supporting the transverse plate; 14-connecting screw; 15-connecting hole; 16-a slide; 17-a cross support; 18-a second synchronous hydraulic rod; 19-diamond shaped cells.
Detailed Description
First, it should be noted that the specific structures, features, advantages, etc. of the present invention will be described in detail below by way of example, but all the descriptions are only for illustrative purpose and should not be construed as forming any limitation to the present invention. Furthermore, any single feature described or implicit in any embodiment or any single feature shown or implicit in any drawing may still be combined or subtracted between any of the features (or equivalents thereof) to obtain still further embodiments of the invention that may not be directly mentioned herein. In addition, for the sake of simplicity, the same or similar features may be indicated in only one place in the same drawing.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations. The present invention will be described in detail with reference to the accompanying drawings.
Example 1:
a large-diameter concrete pipeline splicing device comprises: the pipeline butt joint structure comprises at least two variable-diameter scissor type clamps, each scissor type clamp comprises a plurality of scissor units and a plurality of first synchronous hydraulic rods 3, the scissor units are sequentially connected end to end through hinge joints 2, and the middle part of one scissor unit is in a split state and is connected with each other through an external structure; the supporting structure comprises a supporting top frame 4 and a supporting upright post 5, the lower part of the supporting top frame 4 is connected with a supporting sliding frame 6 through a lifting mechanism, the supporting sliding frame 6 extends along the axial direction of the concrete pipeline 1, the lower part of the supporting sliding frame 6 is in sliding connection with the upper part of the circumscribed structure, and therefore the scissor type clamp slides along the axial direction of the supporting sliding frame 6 along with the circumscribed structure.
In this embodiment: when the large-diameter concrete pipeline splicing device is used, the large-diameter concrete pipeline splicing device is firstly hoisted to a specified position through a crane, so that a supporting structure is arranged above the butt joint of two concrete pipelines (subsequently named as a first pipeline and a second pipeline) (the first pipeline is taken as a pipeline with a fixed position (an installed section of the pipeline) and the second pipeline is taken as a pipeline with a to-be-calibrated position (a section of the pipeline to-be-installed section) in the subsequent butt joint process), firstly, a lifting mechanism drives a supporting carriage 6 to move downwards to the specified position (the set reference of the position is that the first pipeline and the second pipeline can be gradually butted in the subsequent diameter-reducing process of a scissor type clamp), and four scissor type clamps adjusted to the maximum diameter are respectively installed on the lower part of the supporting carriage 6 through respective external structures in a sliding mode; then two scissor-type clamps with variable diameters are installed on the outer side of the first pipeline, and the two scissor-type clamps are driven by respective first synchronous hydraulic rods 3 to have variable diameters until the two scissor-type clamps are just wrapped on the outer side of the circumference of the first pipeline; then, the other two scissor type clamps with variable diameters are arranged on the outer side of the second pipeline, the two scissor type clamps are driven by respective first synchronous hydraulic rods 3 to have variable diameters until the two scissor type clamps are just wrapped on the outer side of the circumference of the second pipeline, in the process, the distances between the four scissor type clamps and a supporting sliding frame 6 are the same, and the second pipeline can be gradually adjusted to a position where the second pipeline can be in butt joint with the first pipeline by means of the characteristic that the central lines of the four scissor type clamps are always on the same straight line under the condition of the same diameter, namely the axial directions (straightness) of the first pipeline and the second pipeline are mutually overlapped; then moving the second pipeline along the axial direction of the concrete pipeline 1 until the butt gap or the socket depth of the two pipelines meets the requirement, and starting the pipeline splicing operation; and finally, releasing the scissor type clamp, sliding to take off the external connection structure, moving the support sliding frame upwards and lifting the support structure away through a crane.
In the technical scheme, the scissor type clamps have the diameter-variable function, and are suitable for being installed on large-diameter concrete pipelines of various specifications, and under the condition of the same diameter, the central lines of the scissor type clamps are always on the same straight line, the concentricity and the straightness of the large-diameter concrete pipeline in the butt construction process can be effectively controlled and adjusted, the end parts of the pipelines are in butt joint in place, the seams among the pipelines are tight, the pipeline elevation and the deviation of the axis meet the standard requirements, the subsequent quick butt joint is convenient, the labor intensity can be reduced, the construction efficiency of the butt joint of the pipelines can be improved, and the construction safety is guaranteed.
The technical scheme solves the problems that the end parts of the pipelines are not butted in place by manual installation, the seams among the pipelines are not tight, the pipeline elevation and the axis deviation do not accord with the standard requirements and the like. Moreover, the installed pipeline is even in opening alignment, the elevation deviation and the axis deviation of the pipeline are greatly reduced, the labor force during installation can be greatly saved, and the later stage water leakage caused by pipeline installation is greatly reduced.
Furthermore, it can be considered in this embodiment that the scissor type clamp in this embodiment includes six scissor units connected end to end sequentially through the hinge joints 2 and three first synchronous hydraulic rods 3, the scissor unit is an X-shaped scissor rod 7 hinged in the middle, the first synchronous hydraulic rods 3 are connected between the front and back opposite hinge joints 2, the first synchronous hydraulic rods may be, but not limited to, hydraulic cylinders with synchronous loops, so that two or more hydraulic cylinders keep the same displacement or the same speed during movement, and then the diameter of the scissor type clamp with variable diameter is always changed in a regular prism structure.
Furthermore, it can be considered in this embodiment that the scissoring unit in a split state includes two V-shaped scissoring rods 8 in opposite positions, and the middle of the V-shaped scissoring rod 8 is hinged to the connecting unit. The scissor-fork type clamp in the embodiment comprises five X-shaped scissor-fork rods 7 and two V-shaped scissor-fork rods 8 which are sequentially connected through the hinge joints 2, and the two V-shaped scissor-fork rods 8 are movably sleeved on the concrete pipeline 1 as open ends.
Furthermore, it can be considered in this embodiment that the connecting unit includes a connecting block 9, and a side surface of the connecting block 9 is provided with a hinge cavity hinged with the V-shaped scissors rod 8.
Furthermore, it can be considered in this embodiment that the inner sides of the scissors units are respectively provided with a bolster layer 10 adapted to the shapes of the scissors units, and the bolster layer 10 may be, but not limited to, a rubber bolster, a sleeper bolster, etc., and can play a role in intermediate protection, so as to prevent direct abrasion between the V-shaped scissors rod 8, the connecting block 9, and the concrete pipeline.
Furthermore, it can be considered in this embodiment that the external connection structure includes a sliding seat 11, a supporting vertical plate 12 and a supporting horizontal plate 13 which are sequentially connected from top to bottom, the external connection structure and the connection unit are detachably mounted through an external connector, when the external connection structure and the connection unit are unfastened (as shown in fig. 18), the two V-shaped scissor rods 8 are used as open ends, and the scissor type clamp can be deformed and can be movably sleeved on the concrete pipeline 1; when the circumscribing structure is connected to the connection unit (as shown in fig. 16), the two V-shaped scissor levers 8 are connected together and the scissor-type clamp is reconfigured into a regular hexagonal prism shape.
Furthermore, it is also considered in this embodiment that the external connector includes:
the connecting screw rods 14 are symmetrically distributed on two sides of the supporting vertical plate 12 in pairs, and the connecting screw rods 14 are vertically arranged at the upper end of the supporting transverse plate 13;
the connecting holes 15 penetrate through the connecting block 9 and are connected with the connecting screw rods 14 in a one-to-one correspondence manner;
and a connecting nut which is screwed on the connecting screw rod 14 and is used for locking the connecting block 9.
The longitudinal section of sliding seat 11 is "worker" font, the lower part of supporting carriage 6 is equipped with the slide 16 with sliding seat 11 slip adaptation, slide 16 extends along concrete duct 1's axial direction, both sides all are open state around the slide 16.
When two V-shaped scissor rods 8 need to be connected, the V-shaped scissor rod 8 on one side is inserted into the connecting screw rod 14 on one side of the supporting vertical plate 12 through the connecting hole in the connecting block 9 (as shown in fig. 18), and then the V-shaped scissor rod 8 on the other side is inserted into the connecting screw rod 14 on the other side of the supporting vertical plate 12 through the connecting hole in the connecting block 9 (as shown in fig. 16). On the contrary, when two V-arrangement scissors poles 8 need be untied, take off coupling nut, will be located in proper order support the connecting block 9 on the connecting screw 14 of riser 12 both sides take off can, easy and simple to handle, this scheme compact structure, easy operation, loading and unloading are quick.
Example 2:
the supporting top frame 4 comprises a top frame main body and a cross support body 17 connected to the inside of the top frame main body, wherein the cross support body 17 can play a role of auxiliary support on one hand and can be used for assembling the supporting sliding frame 6 on the other hand;
furthermore, it can be considered in this embodiment that the number of the supporting columns 5 is at least four, the supporting columns 5 are vertically installed at the lower end of the supporting top frame 4, and the supporting columns 5 play a supporting role.
It should be noted that, in order to further improve the flexibility of the use of the present solution, a support column capable of being lifted may be selected according to the requirement, and since the support column with the lifting function is the prior art, the detailed structure is not described herein again.
Furthermore, it can be considered in this embodiment that the lifting mechanism includes at least three second synchronous hydraulic rods 18 arranged along the axial direction of the concrete pipe 1, the second synchronous hydraulic rods 18 are perpendicularly connected between the cross support 17 and the support carriage 6, a diamond-shaped unit 19 is arranged between adjacent second synchronous hydraulic rods 18, the diamond-shaped unit 19 is a diamond-shaped structure with hinged edges, and the diamond-shaped unit 19 is connected between the cross support 17 and the support carriage 6. The second synchronous hydraulic rod in this embodiment may be, but is not limited to, a hydraulic cylinder with a synchronous circuit, so that two or more hydraulic cylinders maintain the same displacement or the same speed during movement, and then stable lifting of the support carriage 6 is realized, and the diamond unit 19 may deform along with the extension and retraction of the second synchronous hydraulic rod, thereby playing an auxiliary support role.
The above embodiments are described in detail, but the above description is only for the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (10)
1. The utility model provides a large diameter concrete pipe splicing apparatus which characterized in that: the method comprises the following steps:
the pipeline butt joint structure comprises at least two variable-diameter scissor type clamps, each scissor type clamp comprises a plurality of scissor units and a plurality of first synchronous hydraulic rods, the scissor units are sequentially connected end to end through hinged joints, and the middle part of one scissor unit is in a split state and is connected with each other through an external structure;
and the supporting structure comprises a supporting top frame and a supporting upright post, the lower part of the supporting top frame is connected with the supporting sliding frame through a lifting mechanism, the supporting sliding frame extends along the axial direction of the concrete pipeline, and the lower part of the supporting sliding frame is in sliding connection with the upper part of the circumscribed structure, so that the scissor type clamp slides along the axial direction of the supporting sliding frame along with the circumscribed structure.
2. The large-diameter concrete pipeline splicing device according to claim 1, wherein: the scissor unit is an X-shaped scissor rod with the middle hinged, the number of the first synchronous hydraulic rods is at least two, and the first synchronous hydraulic rods are connected between the front hinged joint and the rear hinged joint which are opposite.
3. The large-diameter concrete pipeline splicing device according to claim 2, wherein: the split type scissors unit comprises two V-shaped scissors rods with opposite positions, and the middle parts of the V-shaped scissors rods are hinged to the connecting unit.
4. The large-diameter concrete pipeline splicing device according to claim 3, wherein: the connecting unit comprises a connecting block, and a hinge cavity hinged with the V-shaped scissors rod is formed in the side face of the connecting block.
5. The large-diameter concrete pipeline splicing device according to claim 4, wherein: and the inner sides of the scissors units are respectively provided with a cushion plate layer with a shape matched with that of the scissors units.
6. The large-diameter concrete pipeline splicing device according to claim 4, wherein: the external structure comprises a sliding seat, a supporting vertical plate and a supporting transverse plate which are sequentially connected from top to bottom, and the external structure and the connecting unit are detachably mounted through external parts.
7. The large-diameter concrete pipeline splicing device according to claim 6, wherein: the external piece includes:
the connecting screw rods are symmetrically distributed on two sides of the supporting vertical plate in pairs and are vertically arranged at the upper end of the supporting transverse plate;
the connecting holes penetrate through the connecting blocks and are connected with the connecting screw rods in a one-to-one corresponding mode;
and the connecting nut is in threaded connection with the connecting screw rod and used for locking the connecting block.
8. The large-diameter concrete pipeline splicing device according to claim 6, wherein: the longitudinal section of sliding seat is "worker" font, the lower part of supporting the balladeur train is equipped with the slide with sliding seat slip adaptation, the slide extends along concrete duct's axial direction, both sides all are open state around the slide.
9. A large-diameter concrete pipe splicing device according to any one of claims 1 to 8, wherein: the supporting top frame comprises a top frame main body and a cross supporting body connected to the inside of the top frame main body, the number of the supporting stand columns is at least four, and the supporting stand columns are perpendicularly installed at the lower end of the supporting top frame.
10. The large-diameter concrete pipeline splicing device according to claim 9, wherein: the lifting mechanism comprises at least three second synchronous hydraulic rods arranged along the axial direction of the concrete pipeline, the second synchronous hydraulic rods are vertically connected between the cross support body and the support sliding frame, rhombic units are arranged between the adjacent second synchronous hydraulic rods and are of rhombic structures hinged to the edges, and the rhombic units are connected between the cross support body and the support sliding frame.
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| CN202222070504.3U CN217500477U (en) | 2022-08-08 | 2022-08-08 | Large-pipe-diameter concrete pipeline splicing device |
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| CN202222070504.3U CN217500477U (en) | 2022-08-08 | 2022-08-08 | Large-pipe-diameter concrete pipeline splicing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115740946A (en) * | 2022-12-01 | 2023-03-07 | 山东晟博安装工程有限公司 | Petrochemical engineering pipeline installation and welding auxiliary structure and using method thereof |
| CN117167557A (en) * | 2023-11-02 | 2023-12-05 | 山西省安装集团股份有限公司 | Hydraulic pipeline installation device |
-
2022
- 2022-08-08 CN CN202222070504.3U patent/CN217500477U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115740946A (en) * | 2022-12-01 | 2023-03-07 | 山东晟博安装工程有限公司 | Petrochemical engineering pipeline installation and welding auxiliary structure and using method thereof |
| CN117167557A (en) * | 2023-11-02 | 2023-12-05 | 山西省安装集团股份有限公司 | Hydraulic pipeline installation device |
| CN117167557B (en) * | 2023-11-02 | 2024-01-23 | 山西省安装集团股份有限公司 | Hydraulic pipeline installation device |
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