CN109915656B - Pipeline laying device - Google Patents

Pipeline laying device Download PDF

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Publication number
CN109915656B
CN109915656B CN201711317537.0A CN201711317537A CN109915656B CN 109915656 B CN109915656 B CN 109915656B CN 201711317537 A CN201711317537 A CN 201711317537A CN 109915656 B CN109915656 B CN 109915656B
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cross beam
sliding
hollow cross
instant
pipeline
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CN109915656A (en
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汪海洋
马广明
曲伟
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Shanghai Baoye Group Corp Ltd
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Shanghai Baoye Group Corp Ltd
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Abstract

The invention discloses a pipeline laying device which comprises two bases, two brackets, two vertical instant extension locking mechanisms, two lateral instant clamping mechanisms, two bearing seats, a horizontal rolling shaft, a hollow cross beam and an extension impact rod, wherein the two bases are arranged at intervals, the two brackets are vertically arranged on the two bases, the two vertical instant extension locking mechanisms are arranged on the top surfaces of the two brackets, the two bearing seats are arranged on supporting seats of the two vertical instant extension locking mechanisms, the horizontal rolling shaft is arranged in the two bearing seats, the extension impact rod drives the vertical instant extension locking mechanisms to extend, the hollow cross beam is erected on the top surfaces of the two vertical instant extension locking mechanisms, and the two lateral instant clamping mechanisms are arranged on the hollow cross beam. The device ensures that the pipeline is laid on the same horizontal plane, improves the quality and the work efficiency of the pipeline, reduces the construction cost of the pipeline laying, and ensures the safety of the pipeline operation.

Description

Pipeline laying device
Technical Field
The present invention relates to a pipe laying apparatus.
Background
In the process of laying construction, the length of pipeline laying operation is longer, so that the laying surface where the pipeline is laid cannot be guaranteed to be on a horizontal plane, the conditions of an installed pipeline support, a pipeline ditch and the like with uneven horizontal plane can be met frequently, especially in the process of construction of buried pipelines, the conditions of long pipelines and uneven soil layer of the laying surface can be met frequently, when the pipeline with the pipe diameter more than DN100 is installed, the work such as pipe laying, splicing and welding is assisted by cranes with different tonnages is needed frequently, the hoisting positions of the cranes are required to be continuously moved, when the complex construction environment is met, the laying efficiency of the crane can be greatly reduced under the condition that the crane cannot hoist, and meanwhile, the cost can be greatly increased.
When the pipeline is in longer piping lane work progress, can meet the pipeline support because the error of installation, each support is in different horizontal planes, and the pipeline mouth of pipe collides with the pipeline support in the poling process, just needs the manual adjustment to intervene this moment, when the quantity of pipeline of wearing is great, can great influence work efficiency. When the pipelines are spliced, the pipelines are not positioned on a horizontal plane, the pipelines are in butt joint and need to be adjusted by auxiliary tools, errors exist in artificial adjustment, the adjusted positions are more and other factors, finally, after all the pipelines are spliced, the initial point of the pipelines is observed, the situation that the pipelines are not concentric in snake-shaped pavement can be found, particularly when cold and hot medium pipelines are in such a situation, the pipelines are deformed after running, so that safety quality accidents occur, and the cost of post-treatment is increased.
Disclosure of Invention
The invention aims to solve the technical problem of providing the pipeline laying device, which effectively overcomes the defects existing in the traditional pipeline laying process, ensures that the pipeline laying is positioned on the same horizontal plane, improves the quality and the work efficiency of the pipeline laying, reduces the construction cost of the pipeline laying and ensures the safety of the pipeline operation.
In order to solve the technical problems, the pipeline laying device comprises two bases, two brackets, two vertical instant stretching locking mechanisms, two lateral instant clamping mechanisms, two bearing seats, a horizontal roller, a hollow cross beam and an extending impact rod, wherein the two bases are arranged at intervals, the two brackets are vertically arranged on the two bases, and the two vertical instant stretching locking mechanisms are respectively arranged on the top surfaces of the two brackets;
the vertical instant extension locking mechanism comprises an outer container, an inner container, a supporting seat, a clamping plate, a jacking spring, an interlayer pressing plate, a plurality of cams, a plurality of horizontal springs, a horizontal bolt and a vertical jacking pin, wherein the outer container is arranged on the top surface of the support through the supporting plate;
the two bearing seats are respectively arranged on the supporting seats of the two vertical instant extension locking mechanisms, the horizontal rolling shafts are arranged in the two bearing seats, the extending impact rod comprises a frame-shaped part and a pincer-shaped part, the cross beam of the frame-shaped part is arranged above the horizontal rolling shafts, the pincer-shaped part is hinged to the outer wall of the outer container and abuts against the end parts of the vertical jacking pins, the hollow cross beam is erected on the top surfaces of the two outer containers and is arranged below the horizontal rolling shafts, and long grooves are formed in the top surfaces and sliding grooves are formed in the two sides of the bottom surfaces of the hollow cross beam;
the lateral instant clamping mechanism comprises a sliding sleeve, a lateral rolling shaft, a door-shaped frame, a spring frame, a clamping spring, a baffle, a locking pin, a sliding frame, a side sliding plate and a cam, wherein the sliding sleeve is sleeved into the horizontal rolling shaft, the bottom surface of the sliding frame is located on the top surface of the hollow cross beam, the lateral rolling shaft is arranged on the side surface of the sliding sleeve through an ear plate, the spring frame is arranged on the bottom surface of the end part of the hollow cross beam, sliding grooves are formed in the two sides of the hollow cross beam, the end surface and the top surface of the baffle are respectively provided with a sliding block, the sliding blocks of the top surface are located in the sliding grooves of the two sides of the spring frame, the clamping spring is arranged in the spring frame and located between the bottom plate of the spring frame and the baffle, the locking pin is arranged on the two sides of the spring frame through the ear plate, the door-shaped frame is arranged on the two sides of the hollow cross beam through fixed blocks, the top surface of the horizontal rolling shaft is located on the bottom surface of the two bottom ends of the hollow cross beam and the two bottom ends of the locking pin are abutted against the end parts of the sliding frame, the sliding frame is provided with grooves on the front and the rear end parts of the two side surfaces of the hollow cross beam are respectively provided with sliding grooves, the sliding plates are located in the side sliding frames and the two side surfaces are abutted against the top surfaces of the sliding frame and connected with the sliding frame.
Furthermore, a positioning guide rail is arranged between the outer container and the inner container of the vertical instant extension locking mechanism, and a positioning guide rail is arranged between the hollow cross beam and the sliding frame of the lateral instant clamping mechanism.
Further, the contact surface between the outer container of the vertical instant extension locking mechanism and the clamping plate is a fine tooth surface, and the contact surface between the hollow cross beam and the side sliding plate of the lateral instant clamping mechanism is a fine tooth surface.
Further, the device also comprises a reset bolt, a screw hole is formed in the side wall of the upper portion of the outer container of the vertical instant extension locking mechanism, and the reset bolt is screwed in the screw hole and abuts against the clamping plate.
Further, the spring wire diameter of the jacking spring is 6mm, the spring pitch diameter is 64mm, the free extension length is 95mm, the effective circle number is 16, and the bearing load is 62.3kg.
Further, the number of the clamping springs is two, the diameter of a spring wire is 4mm, the median diameter of the spring is 20mm, the free extension length is 80mm, the effective number of turns is 9.5, and the bearing load is 9.3kg.
The pipeline laying device adopts the technical scheme that the pipeline laying device comprises two bases, two brackets, two vertical instant extension locking mechanisms, two lateral instant clamping mechanisms, two bearing seats, a horizontal roller, a hollow cross beam and an extending impact rod, wherein the two bases are arranged at intervals, the two brackets are vertically arranged on the two bases, the two vertical instant extension locking mechanisms are arranged on the top surfaces of the two brackets, the two bearing seats are arranged on supporting seats of the two vertical instant extension locking mechanisms, the horizontal roller is arranged in the two bearing seats, the extending impact rod drives the vertical instant extension locking mechanisms to extend, the hollow cross beam is erected on the top surfaces of the two vertical instant extension locking mechanisms, and the two lateral instant clamping mechanisms are arranged on the hollow cross beam. The device ensures that the pipeline is laid on the same horizontal plane, improves the quality and the work efficiency of the pipeline, reduces the construction cost of the pipeline laying, and ensures the safety of the pipeline operation.
Drawings
The invention is described in further detail below with reference to the attached drawings and embodiments:
FIG. 1 is a schematic view of a pipe laying apparatus of the present invention;
FIG. 2 is a schematic view of a vertical instant extension locking mechanism in the present apparatus;
FIG. 3 is a schematic diagram of the connection of a spring frame, a clamping spring and a baffle plate of the lateral instant clamping mechanism in the device;
FIG. 4 is a schematic diagram of the connection of the sliding frame, cam and side slide of the lateral instant clamping mechanism in the device;
FIG. 5 is a schematic diagram of the lateral instant clamping mechanism door frame and locking pin connection in the present apparatus;
FIG. 6 is a schematic illustration of the use of the present apparatus in pipeline laying in a buried environment;
FIG. 7 is a schematic diagram of a pipe laying in an overhead environment using the present apparatus.
Detailed Description
1-5, the pipeline laying device of the invention comprises two bases 1, two brackets 2, two vertical instant extension locking mechanisms 3, two lateral instant clamping mechanisms 4, two bearing seats 5, a horizontal roller 6, a hollow cross beam 7 and an extending impact rod 8, wherein the two bases 1 are arranged at intervals, the two brackets 2 are vertically arranged on the two bases 1, and the two vertical instant extension locking mechanisms 3 are respectively arranged on the top surfaces of the two brackets 2;
the vertical instant extension locking mechanism 3 comprises an outer liner 31, an inner liner 32, a supporting seat 33, a clamping plate 34, a jacking spring 35, an interlayer pressing plate 36, a plurality of cams 37, a plurality of horizontal springs 38, a horizontal plug pin 39 and a vertical jacking pin 30, wherein the outer liner 31 is arranged on the top surface of the bracket 2 through the supporting plate 21, the jacking spring 35 and the interlayer pressing plate 36 are sequentially arranged on the bottom surface of the outer liner 31, the inner liner 32 is sleeved in the outer liner 31 and sits on the top surface of the interlayer pressing plate 36, rectangular strip holes are formed in two side surfaces of the inner liner 32, dovetail grooves are respectively formed in the top surface and the bottom surface of the holes, the clamping plate 33 is respectively arranged in the rectangular strip holes through the dovetail grooves, the plurality of cams 37 are arranged in the inner liner 32 at intervals through rotating shafts, two ends of the plurality of cams 37 are connected through connecting rods 22, the supporting seat 33 are sleeved on the top of the inner liner 32 and sit on the cams at the top of the inner liner 32, the horizontal plug pin 38 is arranged in intervals and two ends of the inner liner 32 are abutted against the clamping plate 34 at two sides of the inner liner 32, the bottom wall 31 is aligned with the horizontal plug pin 39 at the bottom of the bottom surface of the interlayer pressing plate 31 through the horizontal plug pin 39, and the bottom wall of the interlayer pressing plate 31 is aligned with the horizontal plug pin 31 at the bottom wall of the interlayer wall 31;
the two bearing seats 5 are respectively arranged on the supporting seats 33 of the two vertical instant extension locking mechanisms 3, the horizontal rolling shafts 6 are arranged in the two bearing seats 5, the extending impact rod 8 comprises a frame-shaped part and a pincer-shaped part 81, the frame-shaped part beam 82 is arranged above the horizontal rolling shafts 6, the pincer-shaped part 81 is hinged to the outer wall of the outer container 31 and abuts against the end parts of the vertical jacking pins 30, the hollow beam 7 is erected on the top surfaces of the two outer containers 31 and is arranged below the horizontal rolling shafts 6, the top surface of the hollow beam 7 is provided with a long groove 71, and the two sides of the bottom surface are provided with sliding grooves 72;
the lateral instant clamping mechanism comprises a sliding sleeve 41, a lateral roller 42, a door-shaped frame 43, a spring frame 44, a clamping spring 45, a baffle 46, a locking pin 47, a sliding frame 48, a side sliding plate 49 and a cam 40, wherein the sliding sleeve 41 is sleeved in the horizontal roller 6, the bottom surface is positioned on the top surface of the hollow cross beam 7, the lateral roller 42 is arranged on the side surface of the sliding sleeve 41 through an ear plate 51, the spring frame 44 is arranged on the bottom surface of the end part of the hollow cross beam 7, two sides of the spring frame 44 are provided with sliding grooves 52, the baffle 46 is arranged on the spring frame 44, the end surface and the top surface of the baffle 46 are respectively provided with sliding blocks, the sliding blocks of the end surface are positioned in the sliding grooves 52 on the two sides of the spring frame 44, the sliding blocks of the top surface are positioned in the sliding grooves 72 of the bottom surface of the hollow cross beam 7, the clamping spring 45 is arranged in the spring frame 44 and positioned between the bottom plate of the spring frame 44 and the baffle 46, the locking pins 47 are arranged on two sides of the spring frame 44 through lug plates 53 and extend into sliding grooves 52 on two sides of the spring frame 44 to lock the baffle 46, the door-shaped frame 43 is arranged on two sides of the hollow cross beam 7 through fixing blocks 54, the top surface of the door-shaped frame is positioned below the horizontal rolling shafts 6, two bottom ends of the door-shaped frame abut against the ends of the locking pins 47, the sliding frame 48 is positioned in the hollow cross beam 7, dovetail grooves are formed in the front end and the rear end of two side surfaces of the sliding frame 48, the side sliding plates 49 are arranged in the dovetail grooves on two side surfaces of the sliding frame 48, the cam 40 is arranged in the sliding frame 48 through a rotating shaft, two ends of the cam abut against the side sliding plates 49, the bottom surface of the sliding sleeve 41 extends into a long groove 71 on the top surface of the hollow cross beam 7 through a connecting rod 55 to be connected with the sliding frame 48, and the sliding block on the top surface of the baffle 46 abuts against the rear end surface of the sliding frame 48.
Preferably, a positioning guide rail 24 is arranged between the outer container 31 and the inner container 32 of the vertical instant extension locking mechanism 3, and a positioning guide rail 56 is arranged between the hollow cross beam 7 and the sliding frame 48 of the lateral instant clamping mechanism 4.
Preferably, the contact surface between the outer container 31 of the vertical instant extension locking mechanism 3 and the clamping plate 34 is a fine tooth surface, and the contact surface between the hollow cross beam 7 and the side sliding plate 49 of the lateral instant clamping mechanism 4 is a fine tooth surface.
Preferably, the device further comprises a reset bolt 9, a screw hole is formed in the side wall of the upper portion of the outer container 31 of the vertical instant extension locking mechanism 3, and the reset bolt 9 is screwed into the screw hole and abuts against the clamping plate 34. The reset bolt is used for resetting the inner container to the inner container, and the reset bolt is screwed to push the clamping plate, so that the clamping plate is separated from the contact surface with the outer container, and the inner container is automatically reset under the condition of no friction force.
Preferably, the spring wire diameter of the jacking spring is 6mm, the spring pitch diameter is 64mm, the free extension length is 95mm, the effective circle number is 16, and the bearing load is 62.3kg.
Preferably, the number of the clamping springs 45 is two, the spring wire diameter is 4mm, the spring pitch diameter is 20mm, the free extension length is 80mm, the effective number of turns is 9.5, and the bearing load is 9.3kg.
As shown in fig. 6 and 7, when the pipeline 11 is paved, a plurality of devices 10 are arranged at intervals in the paving direction of the pipeline 11, the horizontal rollers of the devices 10 are synchronously driven to rotate by a power transmission mechanism, and at least three pipeline paving devices 10 are arranged below each pipeline 11; manually adjusting the horizontal rollers of a plurality of pipeline laying devices 10 under the length of one pipeline 11 to a certain height, wherein the adjusted height is within the height adjustment range of the device, and the pipeline 11 is free from obstacles from a starting position to an end position, placing the pipeline 11 on the horizontal rollers, and clamping the pipeline 11 left and right by adopting a lateral instant clamping mechanism after the pipeline 11 is straightened towards the end position of laying; when the pipeline 11 moves to the position right above the pipeline laying device 10, the pipeline 11 can strike and extend out of the striking rod, at the moment, the striking rod extends out of the horizontal bolt to push the horizontal bolt away from the interlayer of the interlayer pressing plate through the vertical ejector pin, the lifting spring is released instantly, the inner container is sprung up under the action of the lifting spring, the horizontal roller can strike below the pipeline 11, at the moment, the horizontal roller is subjected to downward reaction force and upward movement inertia, so that a cam in the inner container rotates, the two ends of the cam push the clamping plate to move outwards along the dovetail groove and tightly contact with the inner wall of the outer container (small insections are arranged on the contact surface, the friction force is increased, the two ends of the horizontal spring are propped against the clamping plate for resetting the inner container, the clamping plate is separated from contact with the inner wall of the outer container by virtue of the tension of the horizontal spring), the inner container is locked instantly, the horizontal roller is fixed under the pipeline 11, the horizontal rollers of the pipeline laying device 10 are all positioned on one plane, and the problem that the next pipeline 11 is not positioned on one horizontal plane is solved; the horizontal roller impacts the pipeline 11 and simultaneously moves downwards and compresses the door-shaped frame of the lateral instantaneous clamping mechanism, the door-shaped frame descends to push away the locking pin, the clamping spring is instantaneously released and pushes the sliding frame to move forwards along the hollow cross beam, so that the sliding sleeve drives the lateral roller to impact the side surface of the pipeline 11, impact force is transmitted to the sliding frame to enable a cam in the sliding frame to rotate, the two ends of the cam push the lateral sliding plate to move towards the side surface of the hollow cross beam and tightly contact with the side surface (fine insections are arranged on the contact surface, friction force is increased), the lateral roller is instantaneously locked on the two side surfaces of the pipeline 11, the problem that the lateral roller of a plurality of pipeline laying devices 10 is on one plane is solved, and the problem that the next laid pipeline is not concentric with the laid pipeline is prepared for welding of a subsequent pipe orifice; when a first pipeline impacts the extended impact beam of each pipeline-laying device, the above-described actions are repeated; the pipelines with the same pipe diameter to be paved later are placed on the manually adjusted pipeline paving device 10, and the pipelines are paved forwards on the same line on the same horizontal plane under the drive of the power transmission mechanism, so that the efficient paving operation of the pipelines is realized; after the pipeline is laid in place, starting to bevel the pipe orifice for welding; because the pipelines are paved by adopting the device, the center of each pipeline is on the same straight line, the problem that the butt welding is needed by an auxiliary tool during the traditional pipe paving operation is solved, meanwhile, the problem of pipe wall dislocation during the pipe welding is also solved, and the efficient butt welding operation is realized; when the paved pipelines are overhead pipelines, the centers of the pipelines which are welded well are also ensured to be on the same straight line, and at the moment, the pipeline bracket and the pipe bracket are only required to be tightly attached to the bottom of the pipeline for installation, so that the pipeline is simple, convenient and high in efficiency, the condition that axial force offset deformation is easy to occur during pipeline paving operation is fundamentally solved, and the service life of the pipeline is greatly prolonged; when the laid pipeline is a buried pipeline, the top of each welded pipeline is positioned on a horizontal plane, and the problem that the bottom of the pipeline at each position point is uneven and needs to be treated can be found out by using a pipeline bottom levelness measuring ruler. Before the pipeline laying device is dismantled, a temporary positioning rod is respectively penetrated into the soil layer from two lateral rolling shafts, after the pipeline laying device is dismantled and laid down, the pipeline is adjusted by referring to the temporary positioning rods at the two sides, the problem of left and right non-concentricity of the pipeline is reduced, the uneven detection treatment of the bottom of the pipe ditch and the reference adjustment of the temporary positioning rods at the two sides of the pipeline are carried out, the condition of the pressure loss of working medium in the pipeline is greatly reduced, and the service life of the pipeline is prolonged.
To burying ground and two kinds of pipeline laying environment in midair, this device has accomplished the high efficiency of pipeline simultaneously and has laid, need not the crane and carries out supplementary pipe laying, and mouth of pipe welding seam butt joint is convenient to all welded junctions on the pipeline are in same horizontal plane to guarantee that the work axis of pipeline does not take place the skew deformation, improve work efficiency, reduce cost has guaranteed construction quality.
Taking an example of buried pipelines (specification: phi 1020 x 12, material Q235B, single spiral pipeline of 12 m/root and single weight of 3.6 t/root) with outdoor buried length of 120m and buried bottom depth of 1.5 m:
for phi 1020 x 12 buried pipelines, a pipeline is required to be excavated to be-1.5 m deep and 2m wide by a digger, the bottom of the pipeline is leveled, and simultaneously, the excavated earthwork is adjacently piled up.
Professional efficiency comparison table for traditional operation and adoption of device
TABLE 1
Sequence number Working mode Pipeline specification Total length of pipeline Dig machine (operation pit) Crane (25 t) Trailer Pipe laying artificial work Pipe orifice butt joint manual work Paint repair work
1 Traditional work φ1020*12 120m 2 teams 6 teams 4 teams 30 days of work 50 days of work 6 day of work
2 The device φ1020*12 120m 0 1 bench shift 0 Day 3 Day 4 Day 1
As can be seen from Table 1, the working efficiency of the device is far higher than that of the conventional working mode, and the cost is far lower than that of the conventional working mode. The advantage of the device is more pronounced as the pipeline is longer.
Taking an example that a 400m long and 14m elevation workshop overhead pipe network of a 2030mm cold-rolled engineering pipeline installation engineering 2# continuous annealing line of a certain metallurgical enterprise needs to be paved with a pipeline with the specification phi of 480 x 10 (the length of a single pipeline is 12 m/root, and the single pipeline is 1.4 t/root):
table for comparing traditional operation with working efficiency of device
TABLE 2
Sequence number Working mode Pipeline specification Total length of pipeline Hoist machine shift Crane (50 t) Pipe laying artificial work Pipe orifice butt joint manual work Paint repair work
1 Traditional work φ480*10 450m 16 teams 5 teams 30 days of work 20 days of work 8 days of work
2 The device φ480*10 450m 1 bench shift 1 bench shift 8 days of work 2 day of work Day 1
As can be seen from Table 2, the working efficiency of the device is far higher than that of the traditional operation mode, and the cost is far lower than that of the traditional operation mode. When the types of pipelines arranged in the pipe gallery are increased, the device has more obvious advantages in various aspects of paving operation.

Claims (4)

1. The pipeline laying device comprises two bases, two brackets, two vertical instant stretching and locking mechanisms, two lateral instant clamping mechanisms, two bearing seats, a horizontal rolling shaft, a hollow cross beam and an extending impact rod, wherein the two bases are arranged at intervals, the two brackets are vertically arranged on the two bases, and the two vertical instant stretching and locking mechanisms are respectively arranged on the top surfaces of the two brackets;
the vertical instant extension locking mechanism comprises an outer container, an inner container, a supporting seat, clamping plates, jacking springs, an interlayer pressing plate, a plurality of first cams, a plurality of horizontal springs, a horizontal bolt and a vertical jacking pin, wherein the outer container is arranged on the top surface of the support through a supporting plate;
the two bearing seats are respectively arranged on the supporting seats of the two vertical instant extension locking mechanisms, the horizontal rolling shafts are arranged in the two bearing seats, the extending impact rod comprises a frame-shaped part and a pincer-shaped part, the cross beam of the frame-shaped part is arranged above the horizontal rolling shafts, the pincer-shaped part is hinged to the outer wall of the outer container and abuts against the end parts of the vertical jacking pins, the hollow cross beam is erected on the top surfaces of the two outer containers and is arranged below the horizontal rolling shafts, and long grooves are formed in the top surfaces and sliding grooves are formed in the two sides of the bottom surfaces of the hollow cross beam;
the lateral instant clamping mechanism comprises a sliding sleeve, a lateral rolling shaft, a door-shaped frame, a spring frame, clamping springs, a baffle, a locking pin, a sliding frame, a side sliding plate and a second cam, wherein the sliding sleeve is sleeved into the horizontal rolling shaft, the bottom surface of the sliding sleeve is positioned on the top surface of the hollow cross beam, the lateral rolling shaft is arranged on the side surface of the sliding sleeve through an ear plate, the spring frame is arranged on the bottom surface of the end part of the hollow cross beam, two sides of the spring frame are provided with sliding grooves, the end surface and the top surface of the baffle are respectively provided with sliding blocks, the sliding blocks of the top surface are positioned in the sliding grooves of the two sides of the spring frame, the sliding blocks of the top surface are positioned in the sliding grooves of the bottom surface of the hollow cross beam, the clamping springs are arranged in the spring frame and are positioned between the bottom plate of the spring frame and the baffle, the locking pin is arranged on the two sides of the spring frame through ear plates and stretches into the sliding grooves of the two sides of the spring frame, the door-shaped frame is arranged on the two sides of the hollow cross beam through fixing blocks, the top surface of the two bottom surfaces of the hollow cross beam are positioned below the horizontal rolling shaft, the two bottom ends of the hollow cross beam are abutted against the locking pin ends, the sliding frames are positioned in the front and the back ends of the two side surfaces of the hollow cross beam are respectively provided with sliding grooves, the sliding blocks are positioned in the sliding blocks and the side sliding frames and the side frames and the top surfaces are abutted against the top surfaces of the bottom surfaces; the method is characterized in that:
a positioning guide rail is arranged between the outer container and the inner container of the vertical instant extension locking mechanism, and a positioning guide rail is arranged between the hollow cross beam and the sliding frame of the lateral instant clamping mechanism;
the contact surface between the outer container of the vertical instant extension locking mechanism and the clamping plate is a fine tooth surface, and the contact surface between the hollow cross beam and the side sliding plate of the lateral instant clamping mechanism is a fine tooth surface.
2. The pipe laying apparatus according to claim 1, wherein: the device also comprises a reset bolt, wherein a screw hole is formed in the side wall of the upper part of the outer container of the vertical instant extension locking mechanism, and the reset bolt is screwed in the screw hole and abuts against the clamping plate.
3. The pipe laying apparatus according to claim 1, wherein: the spring wire diameter of the jacking spring is 6mm, the spring pitch diameter is 64mm, the free extension length is 95mm, the effective circle number is 16, and the bearing load is 62.3kg.
4. The pipe laying apparatus according to claim 1, wherein: the number of the clamping springs is two, the diameter of spring wires is 4mm, the pitch diameter of the springs is 20mm, the free extension length is 80mm, the effective number of turns is 9.5, and the bearing load is 9.3kg.
CN201711317537.0A 2017-12-12 2017-12-12 Pipeline laying device Active CN109915656B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110252556B (en) * 2019-07-24 2024-04-02 重庆川维石化工程有限责任公司 Pipeline supporting device
CN111810711B (en) * 2020-07-20 2021-11-23 万泰智能电子科技(新沂)有限公司 Energy conveying pipeline connecting construction equipment
CN112253846B (en) * 2020-10-16 2022-05-17 太原市政建设集团有限公司 Sewage pipe laying device for construction of sewage plant

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CN202106162U (en) * 2011-04-22 2012-01-11 中国石油天然气集团公司 Butting joint alignment device for butt welding of tubes
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