CN113245784A - Pipe cage pipeline welding construction method - Google Patents
Pipe cage pipeline welding construction method Download PDFInfo
- Publication number
- CN113245784A CN113245784A CN202110722414.5A CN202110722414A CN113245784A CN 113245784 A CN113245784 A CN 113245784A CN 202110722414 A CN202110722414 A CN 202110722414A CN 113245784 A CN113245784 A CN 113245784A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- pipe
- section
- welding
- welding construction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0538—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor for rotating tubes, e.g. rollers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention provides a welding construction method for a pipe cage pipeline, which adopts a welding construction device, wherein the welding construction device comprises a rotating base, the rotating base is arranged at the bottom of a pipe cage and is used for supporting and rotating the pipeline, and the rotating base comprises a plurality of supporting seats; the periphery of the first section of pipeline is provided with a rotary stress application assembly, and the first section of pipeline is rotated through the rotary stress application assembly; and exposing the unfinished welded part of the first section of pipeline and the butt joint of the adjacent section of pipeline to the outside, and continuously welding the unfinished welded part. The technical scheme provided by the invention solves the problem of inconvenient pipeline welding in a narrow space, and simultaneously ensures the stability of the pipeline in the welding process and the convenience of disassembling the welding device after the welding is finished.
Description
Technical Field
The invention relates to the technical field of pipeline welding, in particular to a pipe cage pipeline welding construction method.
Background
In high-rise buildings, especially some super high-rise buildings, various pipelines, such as a water supply and return pipeline of a central air conditioning system, need to be vertically arranged. The vertical pipe cage is heavy in weight and large in overall dimension, and needs to be assembled and connected in a narrow pipe cage of a building floor in a field mode, however, the vertical face of the pipe cage is generally of a shear wall structure, a proper external construction operation space is needed when the pipe sections are assembled and connected with each other, a certain distance is needed between a pipeline and the shear wall, and therefore the problem that the space around the pipeline occupies too large is caused, the floor using area is reduced, and the economic performance is greatly reduced under the condition that the building floor is small in earth size.
In the related art, some pipeline welding devices also appear, but these welding devices in the actual work progress, the stability has appeared not enough to and accomplish the inconvenient problem of dismantling after the pipeline welding.
In summary, a pipe cage pipeline welding construction method is urgently needed to solve the problems in the prior art.
Disclosure of Invention
The invention aims to provide a pipe cage pipeline welding construction method, which can be used for solving the problem of inconvenience in welding of a pipeline in a narrow space, ensuring the stability of the pipeline in the welding process and ensuring the convenience in disassembling a welding device after the welding is finished.
In order to achieve the purpose, the invention provides a pipe cage pipeline welding construction method, which adopts a welding construction device, wherein the welding construction device comprises a rotating base, a pipeline bracket and hoisting equipment; the rotary base is arranged at the bottom of the pipe cage and used for supporting and rotating the pipeline, and the rotary base comprises a plurality of supporting seats; the pipeline bracket is fixedly connected with the side wall of the pipe cage, is sleeved on the pipeline and is used for stabilizing the pipeline; the hoisting equipment is arranged at the upper part of the pipe cage and used for hoisting the pipeline; the welding construction method comprises the following steps:
the method comprises the following steps: installing the welding construction device;
step two: hoisting the first section of pipeline by using hoisting equipment, installing the first section of pipeline on a supporting seat of a rotating base, and installing a pipeline bracket aiming at the first section of pipeline;
step three: hoisting a section of adjacent pipeline, and installing a pipeline bracket aiming at the section of adjacent pipeline;
step four: butting the first section of pipe section with a section of adjacent pipeline, adjusting the verticality of the pipeline, aligning pipe edges, and welding the butt joint of the pipelines;
step five: the periphery of the first section of pipeline is provided with a rotary stress application assembly, and the first section of pipeline is rotated through the rotary stress application assembly; exposing the unfinished welded part at the butt joint of the first section of pipeline and the adjacent section of pipeline to the outside, and continuously welding the unfinished welded part;
step six: repeating the third step to the fifth step until all pipelines are welded;
step seven: after the welded pipeline is checked, adjusted and fixed, the supporting seat on the rotary base is firstly unloaded, the rotary base is automatically separated from the first-segment pipeline, and the unloading work of the rotary base is completed.
It should be particularly explained that, when the third to fifth steps are repeated in the sixth step, the last section of pipeline which is already welded and fixed replaces the first section of pipeline, and the adjacent section of pipeline is continuously butted. Thus, in the repeating step, the first segment of the conduit refers to the most recently welded-in segment of the conduit and should not be narrowly defined as the segment of the conduit that contacts the rotating base.
Further, the rotating base comprises a bottom plate, a central shaft and a cover plate; the bottom plate is provided with an annular rolling groove, and a plurality of balls are accommodated in the annular rolling groove; the central shaft is vertically arranged on the bottom plate and is positioned at the circle center of the annular rolling groove; the utility model discloses a pipeline, including apron, bottom plate, apron and ball, apron and center pin rotatable coupling, just the apron is close to the one side and the ball contact of bottom plate, is equipped with a plurality of supporting seats in the one side of being close to the pipeline, the holding surface of supporting seat is three for three, and the position of three supporting seat on the apron face forms the triangle relation.
Further, the pipeline bracket comprises a frame and a plurality of pipeline brackets arranged on the frame; the frame is fixedly or movably connected to the inner side surface of the tube cage; the pipeline bracket comprises an arc-shaped plate, a reinforcing rib and a mounting plate; the arc-shaped plate is matched with the outer wall of the pipeline in shape; a gap is reserved between the concave surface of the arc-shaped plate and the pipeline; the convex surface of the arc-shaped plate is connected with the reinforcing rib; the bottoms of the arc-shaped plate and the reinforcing ribs are connected to the mounting plate; the mounting plate is attached to the frame.
Further, the rotary stress application assembly comprises a hoop and a stress application rod; the hoop encircles the outer wall of the pipeline; the stress application rod is arranged along the radial direction of the pipeline, and one end of the stress application rod is connected with the hoop; the pipeline is driven to rotate by pushing the stress application rod.
Furthermore, the ball is a bearing type steel ball, and the height of the rolling groove is larger than the radius of the ball and smaller than the diameter of the ball.
Further, the clearance between the concave surface of arc and the pipeline is 3mm ~5 mm.
Further, the arc-shaped plate material is the same as the pipeline material.
Furthermore, the pipeline bracket is fixedly arranged on the inner side surface of the pipe cage through an anchor plate; the specific process of the pipeline bracket installation is as follows: positioning and paying off in the pipe cage, positioning the anchor plate, rechecking and checking, then installing the anchor plate, fixedly installing the pipeline support on the anchor plate, and checking the pipeline support.
The technical scheme of the invention has the following beneficial effects:
(1) according to the invention, the rotary base is adopted, when the pipeline is welded, the pipeline is placed on the rotary base in a rotating mode, so that the part which cannot be welded by a worker rotates to the outer side, namely, a wall corner at the joint of the two shear walls is not needed, a construction space is reserved between the pipeline and the shear wall, the construction area is greatly reduced, the welding construction of the worker is facilitated, and the working efficiency is further improved.
(2) The rotary base provided by the invention adopts the bearing steel balls as the balls, so that the bearing strength is high, the deformation is not easy, the service life of the device is prolonged, the first section of pipeline arranged on the rotary base is driven by the balls, the motion is stable, the verticality of the pipeline is effectively ensured, and the welding quality is improved.
(3) The disassembling process described in the seventh step in the technical scheme of the invention is very convenient. The pipeline is very heavy, and in welding process, pipeline and rotating base closely laminate, lead to pipeline welding to accomplish the back rotating base can't take out from, can not realize reuse. Based on this, the invention creatively sets up a plurality of supporting seats on the apron of rotating base, and the pipeline is placed on the supporting seat.
Because the area of contact of single supporting seat and pipeline bottom will be far less than the area of pipeline and rotating base apron direct contact, consequently, when needing to dismantle rotating base, the degree of difficulty of taking out single supporting seat will be much littleer, as long as take out the supporting seat, rotating base and pipeline bottom autosegregation, it is very convenient to dismantle the process.
(4) The rotary base provided by the invention adopts the bearing steel balls as the balls, so that the bearing strength is high, the deformation is not easy, the service life of the device is prolonged, the first section of pipeline arranged on the rotary base is driven by the balls, the motion is stable, the verticality of the pipeline is effectively ensured, and the welding quality is improved.
(5) According to the invention, a plurality of pipeline supports are arranged, the pipeline supports adopt a bracket design, and a plurality of reinforcing ribs are arranged to be connected with the arc-shaped plate, so that the stability of the pipeline support structure is ensured; certain clearance is left between the arc-shaped plate and the pipeline, so that the verticality of the pipeline can be finely adjusted conveniently.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, 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 schematic structural view of a welding construction apparatus (without a hoisting device);
FIG. 2 is a schematic view of a rotary base (the support base is not shown);
FIG. 3 is a schematic view of the positions of three support seats on the rotating base;
FIG. 4 is a schematic view of a pipe rack installation;
FIG. 5 is a schematic view of a pipeline corbel configuration;
FIG. 6 is a side view of a single pipe corbel;
FIG. 7 is a schematic view of a rotary force application assembly;
wherein, 1, rotating base, 1.1, bottom plate, 1.2, apron, 1.3, center pin, 1.4, rolling groove, 1.5, ball, 1.6, supporting seat, 2, pipeline bracket, 2.1, frame, 2.2, arc, 2.3, strengthening rib, 2.4, mounting panel, 3, rotatory afterburning subassembly, 3.1, staple bolt, 3.2, the atress pole, 4, first section pipeline, 5, second section pipeline, 6, the tube cage, 7, the anchor slab, A, the splice.
Detailed Description
Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example 1:
in this embodiment, for convenience of description, the first section of the pipeline 4 is referred to as a first section of the pipeline in the technical solution of the present invention, and the second section of the pipeline 5 is referred to as a neighboring section of the pipeline in the technical solution of the present invention.
Referring to fig. 1 to 7, a pipe cage pipeline welding construction method adopts a welding construction device; the welding construction device comprises a rotary base 1, a pipeline bracket 2, hoisting equipment (not shown) and a rotary stress application assembly 3; the hoisting equipment adopts an electric hoist; the rotating base 1 is arranged at the lower part of the tube cage 6; the first section of pipeline 4 is arranged on the rotating base 1; the pipeline supports 2 are at least arranged in two groups and are respectively sleeved on the first section of pipeline 4 and the second section of pipeline 5, and the pipeline supports 2 are arranged on the side wall of the pipe cage; the hoisting equipment is arranged at the upper part of the pipe cage 6 and is used for hoisting the second section of pipeline 5 so as to enable the first section of pipeline 4 to be in butt joint with the second section of pipeline 5; the butt joint part is the welding part A.
As shown in fig. 2, the rotating base 1 includes a bottom plate 1.1, a cover plate 1.2, a central shaft 1.3, a rolling groove 1.4 and a ball 1.5; the rolling groove 1.4 is annular and is arranged on the bottom plate 1.1; a plurality of balls 1.5 are accommodated in the rolling grooves, and lubricating grease can be injected into the rolling grooves, so that the lubricating property and the wear resistance of the balls are improved; the central shaft 1.3 is positioned at the circle center of the rolling groove 1.4 and is vertically arranged on the bottom plate 1.1; the cover plate 1.2 is rotatably connected with the central shaft 1.3, and the bottom of the cover plate 1.2 is contacted with the ball 1.5; the first section of pipe 4 is mounted on the cover plate 1.2. The ball 1.5 is a bearing type steel ball, and the height of the rolling groove is larger than the radius of the ball 1.5 and smaller than the diameter of the ball 1.5.
As shown in fig. 3, in the present embodiment, three supporting seats 1.6 are disposed on the cover plate 1.2 of the rotating base 1, the supporting surfaces of the supporting seats are triangular, and the positions of the three supporting seats on the cover plate 1.2 form a triangular relationship, in the present embodiment, the triangular relationship is an equilateral triangle relationship.
Because the area of contact of single supporting seat and pipeline bottom will be far less than the area of pipeline and rotating base apron direct contact, consequently, when needing to dismantle rotating base, the degree of difficulty of taking out single supporting seat will be much littleer, as long as take out the supporting seat, rotating base and pipeline bottom autosegregation, it is very convenient to dismantle the process. The triangular shape of the supporting surface and the triangular position relationship between the supporting seats further strengthen the stability of the pipeline placed on the rotating base.
The pipeline bracket 2 comprises a frame 2.1 and a pipeline bracket; a plurality of pipeline brackets are uniformly distributed on the inner side of the frame 2.1; the frame 2.1 is fixedly or movably connected to the inner side surface of the tube cage; as shown in fig. 5 and 6, the pipeline bracket comprises an arc-shaped plate 2.2, a reinforcing rib 2.3 and a mounting plate 2.4; the arc-shaped plate 2.2 is matched with the outer wall of the pipeline in shape; a gap is reserved between the concave surface of the arc-shaped plate 2.2 and the pipeline; the convex surface of the arc-shaped plate 2.2 is connected with the reinforcing rib 2.3; the bottoms of the arc-shaped plate 2.2 and the reinforcing ribs 2.3 are connected to the mounting plate 2.4; the mounting plate 2.4 is attached to the frame 2.1. The clearance between the concave surface of the arc-shaped plate 2.2 and the pipeline is 3 mm-5 mm. The arc-shaped plate 2.2 is made of the same material as the pipeline. The reinforcing rib 2.3 and the mounting plate 2.4 are made of steel plates, and the arc-shaped plate 2.2, the reinforcing rib 2.3, the mounting plate 2.4 and the frame 2.1 are connected in a welding mode
As shown in fig. 4, in the present embodiment, a double-layer pipe support structure is adopted, and the frames of the two pipe supports are connected by a connecting rod. The pipe bracket has better stability.
As shown in fig. 7, the rotary boosting assembly 3 includes a hoop 3.1 and a boosting rod 3.2; the hoop 3.1 encircles the outer wall of the pipeline; the stress application rod 3.2 is arranged along the radial direction of the pipeline, and one end of the stress application rod 3.2 is connected with the hoop 3.1; the pipeline is driven to rotate by pushing the stressing rod 3.2.
The welding construction method comprises the following steps:
the method comprises the following steps: manufacturing and installing a welding construction device;
step two: hoisting the first section of pipeline by using hoisting equipment, and installing the first section of pipeline on a rotating base;
step three: installing the upper pipeline bracket and hoisting the second section of pipeline;
step four: butting the first section of pipeline with the second section of pipeline, and adjusting the verticality of the pipeline and aligning the pipe edges; welding the butt joint of the pipelines;
step five: the lower part of the first section of pipeline is provided with a rotary stress application component, and the first section of pipeline is rotated by the rotary stress application component; exposing the unfinished welded part of the butt joint of the first section of pipeline and the second section of pipeline to the outside to finish the welding of the butt joint of the pipelines;
step six: repeating the third step to the fifth step to complete the welding of the butt joint of the next section of pipeline until all the pipelines are welded;
step seven: firstly, the supporting seat on the rotating base is unloaded, the rotating base is automatically separated from the first pipeline, and the unloading work of the rotating base is completed.
The pipeline bracket is fixedly arranged on the inner side surface of the pipe cage through an anchor plate 7; the specific process of the pipeline bracket installation is as follows: and positioning and paying off in the pipe cage, positioning the anchor plate, rechecking and checking, then installing the anchor plate, fixedly installing the pipeline support on the rechecking plate, and finally checking and checking the pipeline support.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (9)
1. A pipe cage pipeline welding construction method is characterized in that a welding construction device is adopted, and the welding construction device comprises a rotating base, a pipeline bracket and hoisting equipment; the rotary base is arranged at the bottom of the pipe cage and used for supporting and rotating the pipeline, and the rotary base comprises a plurality of supporting seats; the pipeline bracket is fixedly connected with the side wall of the pipe cage, is sleeved on the pipeline and is used for stabilizing the pipeline; the hoisting equipment is arranged at the upper part of the pipe cage and used for hoisting the pipeline; the welding construction method comprises the following steps:
the method comprises the following steps: installing the welding construction device;
step two: hoisting the first section of pipeline by using hoisting equipment, installing the first section of pipeline on a supporting seat of a rotating base, and installing a pipeline bracket aiming at the first section of pipeline;
step three: hoisting a section of adjacent pipeline, and installing a pipeline bracket aiming at the section of adjacent pipeline;
step four: butting the first section of pipeline with the adjacent section of pipeline, adjusting the verticality of the pipeline, aligning the pipe edges, and welding the butted position of the pipelines;
step five: the periphery of the first section of pipeline is provided with a rotary stress application assembly, and the first section of pipeline is rotated through the rotary stress application assembly; exposing the unfinished welded part at the butt joint of the first section of pipeline and the adjacent section of pipeline to the outside, and continuously welding the unfinished welded part;
step six: repeating the third step to the fifth step until all pipelines are welded;
step seven: after the welded pipeline is checked, adjusted and fixed, the supporting seat on the rotary base is firstly unloaded, the rotary base is automatically separated from the first-segment pipeline, and the unloading work of the rotary base is completed.
2. The tube cage pipeline welding construction method according to claim 1, wherein the rotating base comprises a bottom plate, a central shaft and a cover plate; the bottom plate is provided with an annular rolling groove, and a plurality of balls are accommodated in the annular rolling groove; the central shaft is vertically arranged on the bottom plate and is positioned at the circle center of the annular rolling groove; the cover plate is rotatably connected with the central shaft, one surface, close to the bottom plate, of the cover plate is in contact with the balls, and a plurality of supporting seats are arranged on one surface, close to the pipeline, of the cover plate.
3. The pipe cage pipe welding construction method according to claim 2, wherein the supporting surfaces of the supporting seats are triangular, the number of the supporting seats is three, and the positions of the three supporting seats on the cover plate surface form a triangular relationship.
4. The pipe cage pipe welding construction method of claim 3, wherein the balls are bearing type steel balls, and the height of the rolling groove is larger than the radius of the balls and smaller than the diameter of the balls.
5. The tube cage pipe welding construction method of claim 2, wherein the pipe bracket comprises a frame and a plurality of pipe brackets arranged on the frame; the frame is fixedly or movably connected to the inner side surface of the tube cage; the pipeline bracket comprises an arc-shaped plate, a reinforcing rib and a mounting plate; the arc-shaped plate is matched with the outer wall of the pipeline in shape; a gap is reserved between the concave surface of the arc-shaped plate and the pipeline; the convex surface of the arc-shaped plate is connected with the reinforcing rib; the bottoms of the arc-shaped plate and the reinforcing ribs are connected to the mounting plate; the mounting plate is attached to the frame.
6. The pipe cage pipe welding construction method of claim 5, wherein the pipe support is fixedly installed on the inner side surface of the pipe cage through an anchor plate; the specific process of the pipeline bracket installation is as follows: positioning and paying off in the pipe cage, positioning the anchor plate, rechecking and checking, then installing the anchor plate, fixedly installing the pipeline support on the anchor plate, and checking the pipeline support.
7. The pipe cage pipeline welding construction method according to claim 5, wherein a gap between the concave surface of the arc-shaped plate and the pipeline is 3 mm-5 mm.
8. A tube cage and pipeline welding construction method as claimed in claim 6, wherein the arc-shaped plate material is the same as the pipeline material.
9. The pipe cage pipeline welding construction method according to any one of claims 1 to 8, wherein the rotating force applying assembly comprises a hoop and a force applying rod; the hoop encircles the outer wall of the pipeline; the stress application rod is arranged along the radial direction of the pipeline, and one end of the stress application rod is connected with the hoop; the pipeline is driven to rotate by pushing the stress application rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110722414.5A CN113245784B (en) | 2021-06-29 | 2021-06-29 | Pipe cage pipeline welding construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110722414.5A CN113245784B (en) | 2021-06-29 | 2021-06-29 | Pipe cage pipeline welding construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113245784A true CN113245784A (en) | 2021-08-13 |
| CN113245784B CN113245784B (en) | 2021-11-02 |
Family
ID=77190045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110722414.5A Active CN113245784B (en) | 2021-06-29 | 2021-06-29 | Pipe cage pipeline welding construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113245784B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62253816A (en) * | 1986-04-24 | 1987-11-05 | Ohbayashigumi Ltd | Welder for reinforcing bar cage in continuous underground wall construction |
| CN207295775U (en) * | 2017-07-13 | 2018-05-01 | 江苏万泽信息系统有限公司 | A kind of communication pipe hand hole well |
| CN208342127U (en) * | 2018-05-30 | 2019-01-08 | 山西建筑工程有限公司 | For welding the rotary welding device of high-rise piping shaft interior conduit |
| CN208496213U (en) * | 2018-06-20 | 2019-02-15 | 中国建筑第八工程局有限公司 | Rotating device for pipeline welding |
| CN110065892A (en) * | 2019-05-29 | 2019-07-30 | 南通四建集团有限公司 | A kind of hoisting apparatus and its hoisting method for Prefabricated composite pipeline indoor hoisting |
| CN110107737A (en) * | 2019-05-10 | 2019-08-09 | 中国建筑第八工程局有限公司 | The pipe installation method and its mounting device for the pipe well being connected to basement |
| CN212705108U (en) * | 2020-07-09 | 2021-03-16 | 中建八局天津建设工程有限公司 | Narrow and small space pipeline welding auxiliary device |
-
2021
- 2021-06-29 CN CN202110722414.5A patent/CN113245784B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62253816A (en) * | 1986-04-24 | 1987-11-05 | Ohbayashigumi Ltd | Welder for reinforcing bar cage in continuous underground wall construction |
| CN207295775U (en) * | 2017-07-13 | 2018-05-01 | 江苏万泽信息系统有限公司 | A kind of communication pipe hand hole well |
| CN208342127U (en) * | 2018-05-30 | 2019-01-08 | 山西建筑工程有限公司 | For welding the rotary welding device of high-rise piping shaft interior conduit |
| CN208496213U (en) * | 2018-06-20 | 2019-02-15 | 中国建筑第八工程局有限公司 | Rotating device for pipeline welding |
| CN110107737A (en) * | 2019-05-10 | 2019-08-09 | 中国建筑第八工程局有限公司 | The pipe installation method and its mounting device for the pipe well being connected to basement |
| CN110065892A (en) * | 2019-05-29 | 2019-07-30 | 南通四建集团有限公司 | A kind of hoisting apparatus and its hoisting method for Prefabricated composite pipeline indoor hoisting |
| CN212705108U (en) * | 2020-07-09 | 2021-03-16 | 中建八局天津建设工程有限公司 | Narrow and small space pipeline welding auxiliary device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113245784B (en) | 2021-11-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208650862U (en) | A kind of anti-collapse suspension device of constructing tunnel | |
| CN216882520U (en) | Welding construction device for pipe cage pipeline | |
| CN111042548B (en) | Fixed installation construction method for prefabricated composite floor slab | |
| CN113245784B (en) | Pipe cage pipeline welding construction method | |
| CN106363311A (en) | Reinforcement cage welding machine for road and bridge construction | |
| CN209723650U (en) | A kind of architectural engineering discharging platform | |
| CN110548639B (en) | Intelligent running water type production device for glass fiber reinforced plastic anchor rod | |
| CN207919743U (en) | A kind of steel grid structure bolted spherical node assembling supporting arrangement | |
| CN112247495B (en) | Ocean platform crane base reinforcing structure and manufacturing process thereof | |
| CN110607764B (en) | Bridge rotation construction structure and construction method thereof | |
| CN214444248U (en) | Simple and easy device of steel reinforcement cage welding | |
| CN105033518B (en) | Welding device enabling building pile foundation reinforcement cage to be conveniently unloaded | |
| CN105033517B (en) | Welding machine used for building construction and facilitating unloading of reinforcement cage | |
| CN211736302U (en) | Automatic walking multifunctional operation platform for tank construction | |
| CN112975244A (en) | Assembly construction system and method for pressure steel pipe tiles and stiffening rings | |
| CN110185843A (en) | A kind of steel pipe construction method in jacking construction | |
| CN218363104U (en) | Large-scale flexible compensation festival flange welding expansion bracket for rotary platform | |
| CN216025684U (en) | Jacking and rotating device for pipeline paint construction | |
| CN218626049U (en) | High stability subassembly | |
| CN205363125U (en) | Multiaspect welding frock | |
| CN112850453B (en) | Assembled integral type building composite floor slab assembling stable hoisting system | |
| CN218109816U (en) | Large-scale flexible compensation festival flange welding rotary platform structure | |
| CN213967210U (en) | Portable building site dust fall spray set | |
| CN218426627U (en) | Attach wall support mounting auxiliary fixtures | |
| CN216831483U (en) | Hole reservation structure of large-scale prefabricated component |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000 Floor 9, new Zhoubang science and technology building, No. 9, Changye Road, Liulian community, Pingshan street, Pingshan District, Shenzhen, Guangdong Province Patentee after: CHINA CONSTRUCTION FIFTH ENGINEERING INSTALLATION Co.,Ltd. Address before: 410004 No. 158 Zhongyi Road, Yuhua District, Changsha, Hunan Patentee before: CHINA CONSTRUCTION FIFTH ENGINEERING INSTALLATION Co.,Ltd. |