CN111828058A - Assembling platform for construction site of rectangular jacking pipe steel pipe joint with super-large section and construction method - Google Patents

Assembling platform for construction site of rectangular jacking pipe steel pipe joint with super-large section and construction method Download PDF

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Publication number
CN111828058A
CN111828058A CN202010618372.6A CN202010618372A CN111828058A CN 111828058 A CN111828058 A CN 111828058A CN 202010618372 A CN202010618372 A CN 202010618372A CN 111828058 A CN111828058 A CN 111828058A
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CN
China
Prior art keywords
steel pipe
assembled
platform
pipe joint
guide
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.)
Pending
Application number
CN202010618372.6A
Other languages
Chinese (zh)
Inventor
黄德中
王金一
卢康明
刘喜东
李刚
陈旭光
牛恒栓
陈培新
舒钢强
邱龑
范杰
蒋健
王帮由
李�瑞
许立斌
寇晓勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Tunnel Shield Engineering Co ltd
Shanghai Tunnel Engineering Co Ltd
Original Assignee
Shanghai Tunnel Shield Engineering Co ltd
Shanghai Tunnel Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Tunnel Shield Engineering Co ltd, Shanghai Tunnel Engineering Co Ltd filed Critical Shanghai Tunnel Shield Engineering Co ltd
Priority to CN202010618372.6A priority Critical patent/CN111828058A/en
Publication of CN111828058A publication Critical patent/CN111828058A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/40Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14Lining predominantly with metal
    • E21D11/15Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
    • E21D11/155Laggings made of strips, slats, slabs or sheet piles

Abstract

The invention relates to a construction site assembly platform for rectangular pipe jacking steel pipe sections with oversized sections, which comprises: a platform structure; the sliding structure is movably arranged on the platform structure and used for supporting the steel pipe sections to be assembled; the guide supporting seat is arranged on the platform structure and is provided with a limiting space for accommodating the corresponding part of the steel pipe joint to be assembled; the adjusting rod is adjustably arranged on the guide supporting seat, and the end part of the adjusting rod can extend into the limiting space to push the corresponding part of the steel pipe joint to be assembled so as to adjust the position of the steel pipe joint; the pushing structures are arranged on the platform structures and arranged at the periphery of the steel pipe sections to be assembled at intervals, and can push the parts corresponding to the steel pipe sections to be assembled so as to drive the steel pipe sections to be assembled to move and adjust through the sliding structures. The invention effectively solves the problems of fast assembling, welding and folding of the steel pipe sections in construction sites with poor conditions such as sites, equipment and the like, ensures the precision of on-site assembling, welding and forming of the steel pipe sections and reduces the deformation of the steel pipe sections in the assembling, welding and folding process.

Description

Assembling platform for construction site of rectangular jacking pipe steel pipe joint with super-large section and construction method
Technical Field
The invention relates to the field of tunnel construction engineering, in particular to an assembling platform for a super-large section rectangular top pipe steel pipe joint construction site and a construction method.
Background
Along with the rapid development of economy and the large-scale construction of urban infrastructures, ground and underground construction structures in large cities, particularly super-large cities, are more and more dense, so that the subway station construction in urban areas of the large cities faces more complex construction environments. The core area of the super-large city is usually large in ground traffic volume, congested vehicles, dense in ground building and construction, complex in various pipelines, even the ground is provided with elevated roads, so that the construction operation space is very limited, and a plurality of construction methods and processes are limited. In order to build a subway station in such an environment, the most common open excavation method is feared to be endless, so that a good solution is not lost by adopting the underground excavation method. Two underground excavation construction methods, namely a shield method and a pipe jacking method, in a soft soil environment are very mature, but the two processes are not adopted in subway station construction, and the pipe jacking method has the advantages of smaller investment, smaller occupied construction space and easiness in mastering of construction period compared with the shield method, so that the pipe jacking method is very suitable for non-excavation construction of stations in complex environments in cities.
For rectangular jacking pipes with overlarge cross sections, the design of a jacking pipe joint is also an important content, the jacking pipe joint can be generally divided into a concrete pipe joint and a steel pipe joint, the concrete pipe joint has higher rigidity, the weight is much larger, the jacking pipe joint cannot be divided into blocks, and the transportation difficulty is higher; the steel pipe joint has higher strength and lighter weight, can be manufactured in blocks and then spliced into a ring on site (the composite pipe joint can be manufactured by pouring concrete inside in the later period), so the transportation difficulty of the pipe joint is greatly reduced, the steel pipe joint manufactured by adopting the blocks for the rectangular push pipe with the oversized section is reasonable through the analysis, but the problems that how to ensure the precision of splicing, welding and folding the steel pipe joint on site and how to reduce the deformation in the process are urgently needed to be solved because the site and equipment of a construction site are different from the conditions of a professional factory are many.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a construction site assembling platform and a construction method for a rectangular top pipe steel pipe section with an oversized section, and solves the problems that the assembling precision is poor and the steel pipe section is easy to deform due to poor construction site and equipment conditions of the existing block steel pipe section.
The technical scheme for realizing the purpose is as follows:
the invention provides a construction site assembly platform for rectangular jacking pipe steel pipe sections with ultra-large sections, which comprises:
a platform structure disposed at the construction site;
the sliding structure is movably arranged on the platform structure and used for supporting the steel pipe sections to be assembled;
the guide supporting seats are arranged on the platform structure at intervals, and limit spaces for accommodating corresponding parts of the steel pipe sections to be assembled are arranged in the guide supporting seats;
the adjusting rod is adjustably mounted on the guide supporting seat, the end part of the adjusting rod extends into the limiting space, the length of the part of the adjusting rod extending into the limiting space is adjustable, and the end part of the adjusting rod pushes the part corresponding to the steel pipe joint to be assembled by adjusting the length of the part of the adjusting rod extending into the limiting space so as to adjust the position of the steel pipe joint; and
the pushing structure is arranged on the platform structure and arranged at the periphery of the steel pipe sections to be assembled at intervals, the pushing structure pushes the corresponding part of the steel pipe sections to be assembled so as to drive the steel pipe sections to be assembled to move and adjust through the sliding structure, and therefore the steel pipe sections to be assembled are adjusted to the position to be assembled so as to be assembled.
The construction site assembly platform provided by the invention is used for preliminarily positioning the steel pipe pieces to be assembled by using the limiting space of the guide supporting seat, further finely adjusting the positions of the steel pipe pieces by using the adjusting rod and the pushing structure, and then after the steel pipe pieces to be assembled are adjusted in place, clamping and fixing the steel pipe pieces by using the adjusting rod, so that the steel pipe pieces are in a fixed state in the welding process, the assembly precision of the steel pipe pieces is improved, the problem that the steel pipe sections are quickly assembled, welded and folded in construction sites with poor conditions such as sites and equipment is effectively solved, the on-site assembly welding forming precision of the steel pipe sections is ensured, and the deformation of the steel pipe sections in the assembling, welding and folding process is. The splicing platform has the advantages of simple structure, easiness in installation, good applicability, strong pertinence, high efficiency and low cost.
The assembling platform for the construction site of the rectangular jacking pipe steel pipe joint with the oversized section is further improved in that the guide supporting seat comprises a first supporting seat and a second supporting seat which are oppositely arranged, and the limiting space is formed between the first supporting seat and the second supporting seat;
the first support and the second support are provided with threaded connecting holes;
the adjusting rod is a screw rod, the screw rod is screwed in the corresponding threaded connecting hole, and the end part of the screw rod can extend into the limiting space.
The assembling platform for the construction site of the rectangular jacking pipe steel pipe joint with the oversized section is further improved in that the inner side surfaces, located in the limiting space, of the first support and the second support are provided with inclined guide surfaces;
the first support and the second support are rotatably provided with guide rollers, the guide rollers are arranged along the guide surface at intervals, and part of the guide rollers protrudes out of the guide surface and is arranged in the limiting space.
The construction site assembly platform for the rectangular top pipe steel pipe joint with the oversized section is further improved in that the platform structure comprises a cushion layer poured on the ground of a construction site, an embedded part embedded in the cushion layer, a supporting beam fixedly connected with the embedded part and a platform plate fixedly connected with the supporting beam.
The construction site assembly platform for the rectangular top pipe steel pipe joint with the oversized section is further improved in that the platform plates are multiple, and the multiple platform plates are connected in a splicing mode.
The invention also provides a construction method for splicing the steel pipe joints by using the construction site splicing platform for the rectangular jacking pipe steel pipe joints with the oversized cross section, which comprises the following steps:
providing a first part of the steel pipe joint to be assembled, and placing the first part on a corresponding sliding structure and in a limiting space of a corresponding guide supporting seat;
adjusting the adjusting rod to clamp and fix the first part;
providing a second part of the steel pipe joint to be assembled, and placing the second part on the corresponding sliding structure and in the limiting space of the corresponding guide supporting seat;
and pushing the second part by using the pushing structure so as to drive the second part to carry out position adjustment through the sliding structure, so that the second part is butted with the first part, and the second part is fixedly connected with the first part so as to complete the assembly of the steel pipe joint.
The construction method of the present invention is further improved in that, when the position of the second part is adjusted, the method further includes:
and adjusting the adjusting rod to push the second part for position adjustment, so that the second part is butted with the first part.
The construction method of the invention is further improved in that the construction method further comprises the following steps: after adjusting the second portion into abutment with the first portion, adjusting the adjustment lever to clamp the second portion.
The construction method is further improved in that the guide supporting seat is provided with threaded connecting holes at two sides of the limit space, and the adjusting rod is a screw rod matched with the threaded connecting holes;
and when the first part is clamped and fixed, screwing the screw rod into the corresponding threaded connecting hole, and screwing the screw rod so that the end part of the screw rod extends into the corresponding threaded connecting hole and abuts against the first part.
The construction method is further improved in that the guide support seat is rotatably provided with a guide roller corresponding to the inner wall of the limit space;
when the first part and the second part are hung in the limiting space, the guide rollers are used for guiding the first part and the second part, so that the first part and the second part can be smoothly placed in the corresponding guide supporting seats.
Drawings
FIG. 1 is a top view of the construction site assembly platform for the ultra-large section rectangular jacking pipe steel pipe joint.
Fig. 2 is a transverse cross-sectional view of fig. 1.
Fig. 3 is a longitudinal sectional view of fig. 1.
FIG. 4 is a partially enlarged view of the embedment and support beam of FIG. 3.
FIG. 5 is a top perspective view of a platform structure in the splicing platform for the ultra-large section rectangular top pipe steel pipe joint construction site.
Fig. 6 is a sectional view a-a in fig. 5.
Fig. 7 is a sectional view taken along line B-B in fig. 5.
FIG. 8 is a schematic structural diagram of a pushing structure in the splicing platform of the ultra-large section rectangular jacking pipe steel pipe joint construction site.
FIG. 9 is a schematic structural diagram of a guide support seat in the construction site assembly platform for the rectangular jacking pipe steel pipe joint with the oversized section.
FIG. 10 is a schematic structural diagram of a sliding structure in a splicing platform of a rectangular top pipe steel pipe joint construction site with an oversized section.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, the invention provides a construction site assembly platform and a construction method for a rectangular jacking pipe steel pipe joint with an oversized section, which are used for assembling the steel pipe joint under the condition of limited construction site and equipment, the whole steel pipe joint is divided into two parts for convenient transportation, the two separated pipe joints are assembled into the whole steel pipe joint on the construction site by the assembly platform and the construction method provided by the invention, the precision of the on-site assembly, welding and folding of the steel pipe joint can be ensured in the assembly process, and the deformation in the process is reduced. The assembly platform disclosed by the invention has the advantages of simple equipment, easiness in installation, special on-site assembly design, good applicability, strong pertinence, easiness in operation, high efficiency and low cost. The invention relates to a construction site splicing platform and a construction method for an oversized-section rectangular top pipe steel pipe joint, which are disclosed by the invention.
Referring to fig. 1, a top view of the construction site assembly platform for the ultra-large section rectangular jacking pipe steel pipe joint of the invention is shown. Referring to fig. 2, a transverse cross-sectional view of fig. 1 is shown. The assembling platform for the construction site of the rectangular top pipe steel pipe joint with the ultra-large section is described below with reference to fig. 1 and 2.
As shown in fig. 1 and fig. 2, the assembling platform 20 for the ultra-large section rectangular jacking pipe steel pipe section construction site comprises a platform structure 21, a sliding structure 25, a guide supporting seat 22, an adjusting rod 23 and a pushing structure 24; the platform structure 21 is arranged on the ground of a construction site, and the upper surface of the platform structure 21 is a flat platform surface and provides an assembling operation surface for a steel pipe joint to be assembled. Sliding structure 25 is movable structure, and this sliding structure 25 can be movably arranged in on platform structure 21, can freely move on platform structure 21, and this sliding structure 25 is used for the bearing to treat the steel pipe festival 10 of assembling to can drive this steel pipe festival 10 of treating to assemble and carry out the shift adjusting position on platform structure 21. The guide supporting seats 22 are installed on the platform structure 21 at intervals, limiting spaces 221 for accommodating corresponding parts of the steel pipe sections 10 to be assembled are arranged in the guide supporting seats 22, preferably, the guide supporting seats 22 are arranged at intervals along the outline shape of the steel pipe sections 10 to be assembled, the limiting spaces 221 arranged in the guide supporting seats 22 are used for preliminary positioning of the steel pipe sections 10 to be assembled, specifically, when the steel pipe sections 10 to be assembled are placed on the platform structure 21, the steel pipe sections 10 to be assembled need to be placed in the limiting spaces 221 of the corresponding guide supporting seats 22, and then the positions of the steel pipe sections 10 to be assembled are subjected to fine adjustment, so that the assembling precision is improved. The adjusting rod 23 is adjustably mounted on the guide supporting seat 22, the end of the adjusting rod 23 extends into the limiting space 221, the length of the part of the adjusting rod 23 extending into the limiting space 221 is adjustable, and the end of the adjusting rod 23 pushes the corresponding part of the steel pipe joint 10 to be assembled by adjusting the length of the part of the adjusting rod 23 extending into the limiting space 221 so as to adjust the position of the steel pipe joint 10. In order to improve the position accuracy of the steel pipe sections 10 to be assembled, the adjusting rods 23 are arranged corresponding to the inner side and the outer side of the steel pipe sections 10 to be assembled, the adjusting rods 23 arranged on the inner side are used for pushing the steel pipe sections 10 to be assembled to the outer side, and the adjusting rods 23 arranged on the outer side are used for pushing the steel pipe sections 10 to be assembled to the inner side, so that the assembling positions of the steel pipe sections 10 to be assembled are adjusted. Because the bottom of the steel pipe section 10 to be assembled falls on the sliding structure 25, when the adjusting rod 23 pushes the steel pipe section 10 to be assembled, the steel pipe section 10 to be assembled is driven to move and adjust the position through the movement of the sliding structure 25. The pushing structure 24 is installed on the platform structure 21, the pushing structures 25 are arranged at the periphery of the steel pipe sections 10 to be assembled at intervals, the pushing structures 25 push the corresponding parts of the steel pipe sections 10 to be assembled so as to drive the steel pipe sections 10 to be assembled to move and adjust through the sliding structures 25, and therefore the steel pipe sections 10 to be assembled are adjusted to the positions to be assembled so as to complete assembling. The pushing structure 25 is disposed on the periphery of the steel pipe joint 10 to be assembled, and can push the steel pipe joint 10 to be assembled inward to make each part of the steel pipe joint 10 to be assembled butt-jointed, and after each part is aligned, the steel pipe joint 10 is assembled by welding.
In the present embodiment, the steel pipe section 10 is a large-section rectangular pipe section, and the steel pipe section 10 is divided into two parts, i.e., a first part 11 and a second part 12, for easy transportation, and the first part 11 and the second part 12 are C-shaped. In a construction site, the first part 11 and the second part 12 need to be spliced and connected to form a rectangular steel pipe joint 10, when splicing, the first part 11 and the second part 12 are respectively placed on the platform structure 21, the first part 11 and the second part 12 are placed in the limit space 221 of the guide support seat 22, the first part 11 is clamped and fixed by using the adjusting rod 23 on the guide support seat 22 at the first part 11, then the position of the second part 12 is adjusted, so that the end part of the second part 12 is aligned with the end part of the first part 11, when adjusting the second part 12, the adjusting rod 23 on the guide support seat 22 at the second part 12 is used for pushing inwards or outwards, the pushing structure 24 arranged on the periphery of the second part 12 is used for pushing the second part 12 towards the direction of the first part 11 until the end part of the second part 12 is aligned with the end part of the first part, at this time, the adjusting rod 23 on the guide supporting seat 22 at the second part 12 is adjusted to clamp and fix the second part 12, and then the first part 11 and the second part 12 are welded and fixed, thereby completing the assembly of the steel pipe joint 10.
Preferably, the guide bearings 22 are arranged at intervals along the contour of the first portion 11 and the second portion 12 of the C-shape, and the plurality of adjustment rods 23 on the guide bearings 22 simultaneously push against the corresponding portion of the steel pipe joint 10 to integrally move the corresponding portion (i.e., the first portion or the second portion). The pushing structure 24 is disposed at intervals on the periphery of the first portion 11 and the second portion 12.
Furthermore, a guide support 22 and two pushing structures 24 are arranged at the joint of the first part 11 and the second part 12, the end of an adjusting rod 23 on the guide support 22 arranged at the joint is arranged corresponding to the joint, and the adjusting rod 23 is used for clamping the first part 11 and the second part 12 at the joint on the inner side and the outer side, so that the function of fixing the welding position of the first part 11 and the second part 12 can be achieved. Preferably, a clamping plate is disposed at the end of the adjusting rod 23, the clamping plate can be attached to the corresponding side surfaces of the first part 11 and the second part 12, and the clamping plate has a large area, so that the end of the second part and the end of the first part can be stably clamped and fixed. Two pushing structures 24 are arranged corresponding to the first part 11 and the second part 12, and the first part 11 and the second part 12 can be pushed along the butt seam by the two pushing structures 24, so that the first part 11 and the second part 12 at the butt seam can be adjusted and aligned quickly and accurately.
In one embodiment of the present invention, as shown in fig. 2, 3 and 9, the guide bearing 22 includes a first bearing 222 and a second bearing 223 oppositely disposed, and a limit space 221 is formed between the first bearing 222 and the second bearing 223; the first support 222 and the second support 223 are provided with threaded connection holes; the adjusting rod 23 is a screw rod screwed into the corresponding threaded connecting hole and the end of the screw rod can extend into the limiting space 221.
Further, the first support 222 and the second support 223 are each fixed to a base plate, which is fastened to the platform structure 21 by bolts. A certain distance is left between the first support 222 and the second support 223 to form a limiting space 221, and the width of the limiting space 221 is greater than that of the steel pipe joint 10 to be assembled, so as to provide a certain space for adjusting the position of the steel pipe joint 10 to be assembled.
Specifically, the steel pipe section 10 to be assembled is arranged between the first support 222 and the second support 223, the adjusting rod 23 on the first support 222 is arranged on the outer side of the steel pipe section 10 to be assembled, and the adjusting rod 23 on the second support 223 is arranged on the inner side of the steel pipe section 10 to be assembled, so that the two adjusting rods 23 on the inner side and the outer side can clamp and fix the steel pipe section 10 to be assembled, and the adjusting rod 23 on the inner side or the outer side can push and adjust the position of the steel pipe section 10 to be assembled.
In one embodiment of the present invention, as shown in fig. 9, the first support 222 and the second support 223 have inclined guide surfaces 2221,2231 on the inner side surfaces of the space 221, and the space 221 is formed in a reverse tapered shape with a larger upper portion and a smaller lower portion by the guide surface 2221,2231. Preferably, the inner side surfaces of the first support 222 and the second support 223 located in the limiting space 221 further include vertical surfaces connected with the guide surface 2221,2231, the threaded connection holes are formed in positions corresponding to the vertical surfaces, and the adjusting rod 23 is arranged at a position corresponding to the bottom of the steel pipe joint 10 to be assembled, so that when the steel pipe joint 10 is pushed to adjust the position, the adjusting process is more stable.
The first support 222 and the second support 223 are rotatably mounted with guide rollers 2222,2232, the guide rollers 2222,2232 are spaced along the guide surface 2221,2231, and the guide rollers 2222,2232 partially protrude from the guide surface 2221,2231 and are disposed in the limiting space 221. The steel pipe joint 10 to be assembled and placed in the limiting space 221 is guided by the guide surface and the guide rollers, when the steel pipe joint 10 is assembled, the steel pipe joint is hung on the platform structure 21 through the hoisting equipment, when the steel pipe joint 10 is placed in the guide supporting seat 22 of the platform structure 21 through the hoisting equipment, the hanging stability of the steel pipe joint 10 is difficult to guarantee, when the steel pipe joint 10 deviates, the steel pipe joint 10 is guided by rolling of the guide rollers 2222 and 2232, so that the steel pipe joint 10 can be smoothly placed in the limiting space 221 and placed between the first support 222 and the second support 223.
In an embodiment of the present invention, as shown in fig. 8, the pushing structure 24 is an electric cylinder, the electric cylinder is fixed on the platform structure 21 through a base, the electric cylinder is powered on and then stretches out and retracts to form a cylinder rod, and the extended cylinder rod pushes the steel pipe joint 10 to adjust the position.
In one embodiment of the present invention, as shown in fig. 10, the sliding structure 25 is a ground tank, the upper part is a bearing plate, and a plurality of rotatable rollers are mounted at the bottom of the bearing plate, and the rollers are used for moving.
In an embodiment of the present invention, as shown in fig. 2 and 3, the platform structure 21 includes a cushion layer 211 cast on the ground of the construction site, an embedded part 212 embedded in the cushion layer 211, a support beam 213 fixedly connected to the embedded part 212, and a platform plate 214 fixedly connected to the support beam 213. Specifically, an open ground is selected at a construction site, a shallow pit with an area matched with the structural size of the platform is excavated, embedded parts 212 are arranged at the bottom of the pit, as shown in fig. 4, 5 and 6, the embedded parts 212 are arranged in multiple rows, each row is arranged at intervals, when the embedded parts 212 are arranged, the tops of the embedded parts 212 are ensured to be flush, then a cushion layer 211 is poured to embed the embedded parts 212, and the tops of the embedded parts 212 are exposed out of the surface of the cushion layer 211 and are used for being connected with a support beam 213. As shown in fig. 7, the embedded parts 212 are embedded with connecting bolts left at the top for connecting the supporting beams 213. Preferably, the supporting beam 213 is made of i-steel, a fixing plate is welded to the bottom of the i-steel, the fixing plate is placed on the top of the embedded part 212 and fastened by a pressing plate, and the pressing plate is fastened and connected with the embedded part 212 through a nut and a connecting bolt, so that the supporting beam 213 and the embedded part 212 are connected. A plurality of platform plates 214 are then laid on the support beams 213, and preferably, the platform plates 214 are connected by splicing a plurality of platform plates 214. When the platform structure 21 is constructed, the surface level of the platform plate 214 is ensured by using the level gauge, and a flat platform surface is provided for the steel pipe joint 10 to be assembled.
Further, one side of each platform plate 214 is provided with a protrusion, the other side of each platform plate 214 is provided with a groove matched with the protrusion, and when two adjacent platform plates 214 are spliced, the protrusion of one platform plate 214 is inserted into the groove of the other platform plate 214. The platform plate 214 and the support beam 213 may be fixed by welding or may be fastened by bolts. As shown in fig. 4, in the example of fig. 4, there are three support beams 213 and four platform plates 214.
In one embodiment of the present invention, the sliding structure 25 is provided in plurality and is arranged at intervals along the contour of the steel pipe joint 10 to be assembled.
The process of assembling the steel pipe joint 10 by the assembling platform 20 of the present invention will be described with reference to fig. 1 to 3.
As shown in fig. 1 to 3, the steel pipe joint 10 includes a first portion 11 and a second portion 12, the first portion 11 and the second portion 12 are C-shaped, the first portion 11 and the second portion 12 are first placed on the platform structure 21, and the first portion 11 and the second portion 12 are respectively located in the limiting space 221 of the corresponding guide bearing 22. By the preliminary determination of the limiting space 221, the first part 11 and the second part 12 are approximately aligned, the adjusting rod 23 at the first part 11 is adjusted, and the adjusting rod 23 clamps and fixes the first part 11 from the inner side and the outer side of the first part 11. And then adjusting the position of the second part 12 to align the end of the second part 12 with the end of the first part 11, specifically, adjusting an adjusting rod 23 at the end of the second part 12, pushing the second part 12 with the adjusting rod 23 until the end of the second part 12 corresponds to the end of the first part 11, then pushing the second part 12 from the outside with a pushing structure 24 to move the second part 12 toward the first part 11, so that the end of the second part 12 is attached to the end of the first part 11, if the ends of the second part 12 and the first part 11 are not completely aligned, adjusting the adjusting rod 23 at the butt seam, fine-adjusting the end of the second part 12 with the pushing of the adjusting rod 23 to align the end of the second part 12 with the end of the first part 11, then clamping and fixing the second part 12 from the inner side and the outer side with the adjusting rod 23 at the second part 12, and then welding and fixing the butt seam of the second part 12 and the first part 11, the assembly of the steel pipe sections 10 is completed. Then, the clamping and fixing states of the adjusting rods 23 are loosened, and the assembled steel pipe joints 10 are lifted out of the platform structure 21 to carry out pipe jacking construction.
The invention also provides a construction method for splicing the steel pipe sections by using the construction site splicing platform for the rectangular jacking pipe steel pipe sections with the oversized cross section, and the construction method is explained below.
The invention relates to a construction method for splicing steel pipe joints by using a construction site splicing platform for rectangular jacking pipe steel pipe joints with oversized sections, which comprises the following steps:
as shown in fig. 1 and 2, providing a first part 11 of the steel pipe joint to be assembled, placing the first part 11 on the corresponding sliding structure 25 and in the limit space 221 of the corresponding guide support seat 22;
adjusting the adjusting rod 23 to clamp and fix the first portion 11;
providing a second part 12 of the steel pipe joint to be assembled, and placing the second part 12 on the corresponding sliding structure 25 and in the limit space 221 of the corresponding guide support seat 22;
the pushing structure 24 is used for pushing the second part 12, so that the sliding structure 25 drives the second part 12 to perform position adjustment, the second part 12 is butted with the first part 10, and the second part 12 is fixedly connected with the first part 11, so that the steel pipe joint 10 is assembled.
In one embodiment of the present invention, when adjusting the position of the second portion 12, the method further includes:
the adjustment rod 23 is adjusted to push the second portion 12 for position adjustment so that the second portion 12 is butted against the first portion 11.
The adjusting rods 23 are provided on both the inner and outer sides of the second portion 12, and the adjusting rods 23 located on the outer side can push the second portion 12 to move and adjust toward the inner side, and the adjusting rods 23 located on the inner side can push the second portion 12 to move and adjust toward the outer side.
In a preferred embodiment, a guide support 22 is provided at the butt seam between the first portion 11 and the second portion 12, and two urging structures 24 are provided outside the first portion 11 and the second portion 12 at the butt seam. After the end of the second portion 12 is attached to the end of the first portion 11, if the end of the second portion 12 is not aligned with the end of the first portion 11, the second portion 12 is pushed along the butt seam by the pushing structure 24 at the butt seam of the second portion 12, so that the end of the second portion 12 is aligned with the end of the first portion 11. The welding precision is improved, a clamping plate is arranged at the end part of the adjusting rod 23 at the butt joint, the clamping plate can be attached to the corresponding side surfaces of the first part 11 and the second part 12, the area of the clamping plate is large, after the end part of the second part 12 is adjusted to be aligned with the end part of the first part 11, the clamping plate is used for clamping and fixing the end parts of the second part 12 and the second part 11, and the butt joint is fixed.
In a specific embodiment of the present invention, the construction method further includes: after adjusting the second part 12 into abutment with the first part 11, the adjustment lever 23 is adjusted to clamp the second part in place.
In a specific embodiment of the present invention, threaded connection holes are formed on both sides of the limit space 221 of the guide support 22, and the adjustment rod 23 is a screw rod adapted to the threaded connection holes;
when the first part 11 is clamped and fixed, the screw rod is screwed into the corresponding threaded connecting hole, and the screw rod is screwed so that the end part of the screw rod extends into the corresponding threaded connecting hole and abuts against the first part 11.
In an embodiment of the present invention, as shown in fig. 9, a guide roller 2222,2232 is rotatably mounted on the inner wall of the guide support 22 corresponding to the limit space 221;
when the first part 11 and the second part 12 are suspended into the limit space 221, the first part 11 and the second part 12 are guided by the guide roller 2222,2232 so that the first part 11 and the second part 12 smoothly fall into the corresponding guide bearings 22.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.

Claims (10)

1. The utility model provides a platform is assembled to super large section rectangle push pipe steel pipe section job site which characterized in that includes:
a platform structure disposed at the construction site;
the sliding structure is movably arranged on the platform structure and used for supporting the steel pipe sections to be assembled;
the guide supporting seats are arranged on the platform structure at intervals, and limit spaces for accommodating corresponding parts of the steel pipe sections to be assembled are arranged in the guide supporting seats;
the adjusting rod is adjustably mounted on the guide supporting seat, the end part of the adjusting rod extends into the limiting space, the length of the part of the adjusting rod extending into the limiting space is adjustable, and the end part of the adjusting rod pushes the part corresponding to the steel pipe joint to be assembled by adjusting the length of the part of the adjusting rod extending into the limiting space so as to adjust the position of the steel pipe joint; and
the pushing structure is arranged on the platform structure and arranged at the periphery of the steel pipe sections to be assembled at intervals, the pushing structure pushes the corresponding part of the steel pipe sections to be assembled so as to drive the steel pipe sections to be assembled to move and adjust through the sliding structure, and therefore the steel pipe sections to be assembled are adjusted to the position to be assembled so as to be assembled.
2. The splicing platform for the construction site of the steel pipe joint of the ultra-large section rectangular jacking pipe of claim 1, wherein the guide support seat comprises a first support seat and a second support seat which are oppositely arranged, and the limiting space is formed between the first support seat and the second support seat;
the first support and the second support are provided with threaded connecting holes;
the adjusting rod is a screw rod, the screw rod is screwed in the corresponding threaded connecting hole, and the end part of the screw rod can extend into the limiting space.
3. The splicing platform for the construction site of the ultra-large section rectangular ejector tube steel pipe joint as recited in claim 2, wherein the inner side surfaces of the first support and the second support in the limiting space are provided with inclined guide surfaces;
the first support and the second support are rotatably provided with guide rollers, the guide rollers are arranged along the guide surface at intervals, and part of the guide rollers protrudes out of the guide surface and is arranged in the limiting space.
4. The assembly platform of the ultra-large section rectangular jacking pipe steel pipe joint construction site as claimed in claim 1, wherein the platform structure comprises a cushion layer poured on the ground of the construction site, an embedded part embedded in the cushion layer, a supporting beam fixedly connected with the embedded part and a platform plate fixedly connected with the supporting beam.
5. The splicing platform for the construction site of the ultra-large section rectangular top pipe steel pipe joint as claimed in claim 4, wherein the platform plate is provided with a plurality of platform plates, and the platform plates are spliced and connected.
6. A construction method for assembling steel pipe joints by using the assembling platform for the construction site of the rectangular push pipe steel pipe joints with the ultra-large cross sections as claimed in claim 1 is characterized by comprising the following steps:
providing a first part of the steel pipe joint to be assembled, and placing the first part on a corresponding sliding structure and in a limiting space of a corresponding guide supporting seat;
adjusting the adjusting rod to clamp and fix the first part;
providing a second part of the steel pipe joint to be assembled, and placing the second part on the corresponding sliding structure and in the limiting space of the corresponding guide supporting seat;
and pushing the second part by using the pushing structure so as to drive the second part to carry out position adjustment through the sliding structure, so that the second part is butted with the first part, and the second part is fixedly connected with the first part so as to complete the assembly of the steel pipe joint.
7. The construction method according to claim 6, further comprising, when the second portion is positionally adjusted:
and adjusting the adjusting rod to push the second part for position adjustment, so that the second part is butted with the first part.
8. The construction method according to claim 6, further comprising: after adjusting the second portion into abutment with the first portion, adjusting the adjustment lever to clamp the second portion.
9. The construction method according to claim 6, wherein the guide support base is provided with threaded connection holes at both sides of the limit space, and the adjusting rod is a screw rod matched with the threaded connection holes;
and when the first part is clamped and fixed, screwing the screw rod into the corresponding threaded connecting hole, and screwing the screw rod so that the end part of the screw rod extends into the corresponding threaded connecting hole and abuts against the first part.
10. The construction method according to claim 6, wherein a guide roller is rotatably installed on the inner wall of the guide support seat corresponding to the limit space;
when the first part and the second part are hung in the limiting space, the guide rollers are used for guiding the first part and the second part, so that the first part and the second part can be smoothly placed in the corresponding guide supporting seats.
CN202010618372.6A 2020-06-30 2020-06-30 Assembling platform for construction site of rectangular jacking pipe steel pipe joint with super-large section and construction method Pending CN111828058A (en)

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CN202010618372.6A CN111828058A (en) 2020-06-30 2020-06-30 Assembling platform for construction site of rectangular jacking pipe steel pipe joint with super-large section and construction method

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CN202010618372.6A CN111828058A (en) 2020-06-30 2020-06-30 Assembling platform for construction site of rectangular jacking pipe steel pipe joint with super-large section and construction method

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KR20110050235A (en) * 2009-11-06 2011-05-13 성림산업(주) High speed assembling method of curved panel using a radial shape assembling device and conduit line construction process using the same
CN103557014A (en) * 2013-10-21 2014-02-05 上海市政工程设计研究总院(集团)有限公司 Duct piece structure applicable to rectangular tunnel and assembling method thereof
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