CN108560582B - Movable support shield for urban pipe bag construction and limiting hinge thereof - Google Patents
Movable support shield for urban pipe bag construction and limiting hinge thereof Download PDFInfo
- Publication number
- CN108560582B CN108560582B CN201810311398.9A CN201810311398A CN108560582B CN 108560582 B CN108560582 B CN 108560582B CN 201810311398 A CN201810311398 A CN 201810311398A CN 108560582 B CN108560582 B CN 108560582B
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- plate
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- connecting plate
- limiting
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a movable support shield for urban pipe bag construction and a limiting hinge thereof. The movable supporting shield comprises a plurality of shield units and limiting hinges, wherein the shield units are sequentially arranged, each shield unit comprises shield walls arranged on two side walls of a pipe bag tunnel and guard plates arranged on outer vertical surfaces of the shield walls, the two adjacent shield units can move relatively to each other, the guard plates of the two adjacent shield units are in staggered lap joint with each other, the limiting hinges are arranged between the shield walls of the two adjacent shield units, each limiting hinge comprises a first connecting component, a first hinge plate, a second connecting component and a second hinge plate, the first connecting component and the second connecting component are fixedly connected with the shield walls of the two adjacent shield units respectively, the first hinge plate and the second hinge plate are arranged between the first connecting component and the second connecting component and are hinged with the first connecting component and the second connecting component respectively, and the first hinge plate and the second hinge plate are hinged with each other. The invention can form the support of the pipe bag tunnel under the condition of not casting the retaining wall pile.
Description
Technical Field
The invention relates to the field of construction engineering, in particular to a movable support shield for urban pipe bag construction and a limiting hinge thereof.
Background
The pipe bag is a public tunnel used for intensively laying municipal pipelines such as electric power, communication, broadcasting and television, water supply and drainage, heating power, fuel gas and the like under the ground.
At present, in the construction of a pipe bag, temporary support is basically carried out by pouring wall protection piles on two sides of a pipe bag tunnel, under the protection of the wall protection piles, the middle soil body is excavated, a working space for prefabrication and assembly or cast-in-situ of a structural object is formed, and the casting construction of the urban pipe bag structural object is carried out. According to the distance of 3 m and the average depth of 12 m, 7200 m wall protection piles are needed per kilometer, and according to 1600 yuan per meter, the temporary support engineering cost is needed to be put into the urban pipe bag structure per kilometer and reaches 1200 ten thousand.
The construction investment of the pipe bag construction project is increased due to high temporary support engineering cost, and urban road traffic is cut off by adopting a comprehensive excavation construction organization mode, so that traffic untangling and diversion are required during construction, traveling and normal life of residents are seriously disturbed, and urban road traffic is disordered. And after the construction of the pipe bag is finished, the retaining wall piles remained underground are reserved for the future urban underground space to be developed and utilized again.
Disclosure of Invention
The invention mainly solves the technical problem of providing a movable support shield and a limiting hinge thereof for urban pipe bag construction, which can form the support of a pipe bag tunnel under the condition of no need of pouring a wall-protecting pile.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a portable support shield for urban pipe bag construction, portable support shield includes a plurality of shield units and the spacing hinge that set gradually, shield unit is including setting up the shield wall at pipe bag tunnel both sides wall and locating the backplate of shield wall outer facade, and shield unit can follow the mutual relative movement of the tunnelling direction of pipe bag tunnel, the backplate of shield unit is crisscross overlap joint each other, spacing hinge locates between the shield wall of shield unit, spacing hinge includes first coupling assembling, first articulated slab, second coupling assembling and second articulated slab, the shield wall of one shield unit of first coupling assembling fixed connection, the second coupling assembling fixed connection another shield wall of shield unit, first articulated slab and second are located between first coupling assembling and the second coupling assembling, and the one end of first articulated slab with first coupling assembling articulates, the other end of first articulated slab with the second articulated slab, the second articulated slab is connected with the second articulated slab.
Preferably, the first connecting component comprises a first connecting plate and a first limiting plate, the second connecting component comprises a second connecting plate and a second limiting plate, the first connecting plate is fixed on one end face of the first limiting plate, the other end face of the first limiting plate is hinged with the first hinge plate, the second connecting plate is fixed on one end face of the second limiting plate, the other end face of the second limiting plate is hinged with the second hinge plate, and the first connecting plate and the second connecting plate are respectively fixedly connected with the corresponding shield wall.
Preferably, the shield wall is provided with a rectangular pipe perpendicular to the tunneling direction, one side, away from the first limiting plate, of the first connecting plate is perpendicularly connected with a first auxiliary connecting plate, one side, away from the second limiting plate, of the second connecting plate is perpendicularly connected with a second auxiliary connecting plate, the first auxiliary connecting plate, the second connecting plate and the second auxiliary connecting plate are welded with the rectangular pipe, the first connecting plate is fixedly connected with the first limiting plate through bolts, and the second connecting plate is fixedly connected with the second limiting plate through bolts.
Preferably, the first auxiliary connecting plates and the second auxiliary connecting plates are two, the two first auxiliary connecting plates are parallel to each other, and the two second auxiliary connecting plates are parallel to each other.
In order to solve the technical problems, the invention adopts another technical scheme that: the utility model provides a spacing hinge of aforesaid portable support shield, spacing hinge includes first coupling assembling, first articulated slab, second coupling assembling and second articulated slab, first articulated slab and second articulated slab are located between first coupling assembling and the second coupling assembling, and the one end of first articulated slab with first coupling assembling articulates, the other end of first articulated slab with the one end of second articulated slab articulates, the other end of second articulated slab with second coupling assembling articulates, first coupling assembling and second coupling assembling are used for respectively with the shield wall fixed connection of two adjacent shield units, in order to prevent shield unit produces perpendicular to the skew of tunneling direction.
Preferably, the first connecting component comprises a first connecting plate and a first limiting plate, the second connecting component comprises a second connecting plate and a second limiting plate, the first connecting plate is fixed on one end face of the first limiting plate, the other end face of the first limiting plate is hinged with the first hinge plate, the second connecting plate is fixed on one end face of the second limiting plate, the other end face of the second limiting plate is hinged with the second hinge plate, and the first connecting plate and the second connecting plate are respectively fixedly connected with the corresponding shield wall.
Preferably, the first connecting plate is far away from one side of the first limiting plate and is vertically connected with a first auxiliary connecting plate, the second connecting plate is far away from one side of the second limiting plate and is vertically connected with a second auxiliary connecting plate, the first auxiliary connecting plate, the second connecting plate and the second auxiliary connecting plate are welded with the shield wall, the first connecting plate is fixedly connected with the first limiting plate through bolts, and the second connecting plate is fixedly connected with the second limiting plate through bolts.
Preferably, the first auxiliary connecting plates and the second auxiliary connecting plates are two, the two first auxiliary connecting plates are parallel to each other, and the two second auxiliary connecting plates are parallel to each other.
The beneficial effects of the invention are as follows: compared with the prior art, the invention has a plurality of shield units which are sequentially arranged, two adjacent shield units comprise shield plates with shield walls arranged on the outer vertical surfaces of the shield walls, the shield plates of the two adjacent shield units are in staggered lap joint, a limiting hinge is arranged between the shield walls of the two adjacent shield units, when the two adjacent shield units can relatively move along the tunneling direction of the tunnel pocket tunnel, the shield plates can prevent soil on the side wall of the tunnel pocket from falling into the shield walls, and the limiting hinge can prevent the shield walls of the two adjacent shield units from generating offset perpendicular to the moving direction, so that the shield plates can play a role of protecting the shield plates.
Drawings
FIG. 1 is a schematic diagram of a front view of a mobile support shield for urban pipe bladder construction according to an embodiment of the present invention;
fig. 2 is a schematic front view of the movable supporting shield shown in fig. 1 after the two shield units are relatively far apart;
FIG. 3 is a schematic top view of the mobile shield of FIG. 1;
fig. 4 is a schematic structural view of a limiting hinge of a mobile support shield for urban pipe bladder construction according to an embodiment of the present invention.
Reference numerals in the drawings: 1. a shield unit; 2. limiting hinges; 11. a shield wall; 12. a guard board; 21. a first connection assembly; 22 a first hinge plate; 23. a second connection assembly; 24. a second hinge plate; 211. a first connection plate; 212. a first limiting plate; 231. a second connecting plate; 232. a second limiting plate; 213. a first auxiliary connection board; 233. and the second auxiliary connecting plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 4, a movable supporting shield for urban pipe bag construction according to an embodiment of the present invention includes a plurality of shield units 1 and limiting hinges 2 sequentially disposed, each shield unit 1 includes a shield wall 11 disposed on two sidewalls of a pipe bag tunnel and a shield plate 12 disposed on an outer elevation of the shield wall 11, each shield unit 1 is capable of moving relative to each other along a tunneling direction of the pipe bag tunnel, the shield plates 12 of each shield unit 1 are staggered and overlapped with each other, the limiting hinges 2 are disposed between the shield walls 11 of each shield unit 1, each limiting hinge 2 includes a first connecting assembly 21, a first hinge plate 22, a second connecting assembly 23 and a second hinge plate 24, the first connecting assembly 21 is fixedly connected with the shield wall 11 of one shield unit 1, the first hinge plate 22 and the second hinge plate 24 are disposed between the first connecting assembly 21 and the second connecting assembly 23, one end of the first 22 is hinged with the shield wall 11 of the first connecting assembly 21, and the other end of the second hinge plate 24 is hinged with the second hinge plate of the second hinge plate 24, and the other end of the first hinge plate is hinged with the second hinge plate of the second hinge plate 24. In the present embodiment, the direction of movement of the shield unit 1 is as indicated by the arrow in fig. 3.
When the movable supporting shield of the embodiment is constructed by the pipe bag, a plurality of sequentially arranged shield units 1 are placed in the pipe bag tunnel, and the pipe bag tunnel is not supported and protected in the initial stage of placing the shield units 1, so that a section of soil body can be excavated firstly, after one shield unit 1 is placed into the pipe bag tunnel to form a support, a section of soil body is excavated forwards, and then the next shield unit 1 is excavated. Thus, according to this flow, a plurality of shield units 1 are finally placed for supporting, and the number of shield units 1 is, for example, three.
After the plurality of shield units 1 form a support, the cast-in-situ or assembly operation of the tubular bag structure is completed in the support space formed by the third shield unit 1. After the pipe bag structure works, after the soil body with a preset length of section in front of the first shield unit 1 is hollowed, the first shield unit 1 moves forwards, and the moving distance needs to ensure that the guard plate 12 of the first shield unit 1 and the guard plate 12 of the second shield unit 1 are always in staggered lap joint. The second shield unit 1 then moves forward as well, and finally the third shield unit 1 moves forward after the second shield unit 1. After the pipe bag structure is moved for many times, the finished pipe bag structure is exposed, and then the finished pipe bag structure is subjected to operations such as waterproof layer construction, backfilling and the like so as to recover the urban road.
Because construction work is required in the supporting space formed by the shield units 1, the guard plates 12 can prevent soil on the side wall of the tunnel from falling into the supporting space to influence construction. Since the shield main body of the shield unit 1 has a large mass, usually several tens tons or even hundreds tons, and the side wall of the tunnel is not an absolute horizontal plane, the adjacent shield units 1 may be extruded by the side wall of the tunnel in the moving process to generate a deviation perpendicular to the moving direction, so that deformation or fracture of the guard plate 12 occurs, and the limiting hinge 2 is arranged between the adjacent two shield units 1, so that the limiting hinge 2 can prevent the shield walls 11 from generating a deviation perpendicular to the moving direction, and the shield walls 11 of the adjacent two shield units 1 can be mutually close and mutually far away from each other, as shown in fig. 1 and 2.
By means of the mode, the movable supporting shield can form the supporting of the pipe bag tunnel under the condition that the wall-protecting piles are not required to be poured, and operation procedures of supporting, soil excavation, spoil transportation, prefabricated hoisting (structure cast-in-situ), waterproof layer construction, backfilling and the like can be organically combined into a whole, so that the movable supporting shield has the advantages of being low in construction investment, short in construction period, small in urban road traffic influence and the like.
As shown in fig. 4, the first connecting assembly 21 includes a first connecting plate 211 and a first limiting plate 212, the second connecting assembly 23 includes a second connecting plate 231 and a second limiting plate 232, the first connecting plate 211 is fixed on an end surface of the first limiting plate 212, the other end surface of the first limiting plate 212 is hinged with the first hinge plate 22, the second connecting plate 231 is fixed on an end surface of the second limiting plate 232, the other end surface of the second limiting plate 232 is hinged with the second hinge plate 24, and the first connecting plate 211 and the second connecting plate 231 are respectively fixedly connected with the corresponding shield wall 11.
In this embodiment, the shield wall 11 is composed of a skeleton formed by transverse and longitudinal rectangular tubes (not shown) and steel plates covered on both sides of the skeleton, one side of the first connecting plate 211, which is far from the first limiting plate 212, is vertically connected with a first auxiliary connecting plate 213, one side of the second connecting plate 231, which is far from the second limiting plate 232, is vertically connected with a second auxiliary connecting plate 233, and the first connecting plate 211, the first auxiliary connecting plate 213, the second connecting plate 231 and the second auxiliary connecting plate 233 are all welded with the shield wall 11, specifically, the first connecting plate 211 and the second connecting plate 231 are welded with the transverse rectangular tubes, and the first auxiliary connecting plate 213 and the second auxiliary connecting plate 233 are inserted between the longitudinal rectangular tubes on both sides and welded with the transverse and longitudinal rectangular tubes. The first connecting plate 211 is fixedly connected with the first limiting plate 212 through bolts, and the second connecting plate 231 is fixedly connected with the second limiting plate 232 through bolts. In some cases, in order to reduce the weight of the shield wall 11, the shield wall 11 may be welded into a skeleton by a plurality of rectangular tubes, and then steel plates are covered on the inner and outer surfaces of the skeleton to form the shield wall 11, so that if holes are punched in the rectangular tubes, the rigidity of the shield wall 11 is reduced, and in consideration of the fact that the shield unit 1 is subjected to a large pushing force or pulling force during movement, the shield wall 11 may be deformed greatly. The first connection plate 211 and the second connection plate 231 are welded with the rectangular tube to avoid the situation, and the first limiting plate 212 and the second limiting plate 232 are fixedly connected with the first connection plate 211 and the second connection plate 231 through bolts, so that the limiting hinge 2 can be conveniently installed and detached.
The number of the first auxiliary connection boards 213 and the second auxiliary connection boards 233 may be set according to actual needs, for example, the first auxiliary connection boards 213 and the second auxiliary connection boards 233 are two, the two first auxiliary connection boards 213 are parallel to each other, and the two second auxiliary connection boards 233 are parallel to each other.
The present invention also protects a limit hinge of the movable supporting shield of the foregoing embodiment, which includes a first connection assembly 21, a first hinge plate 22, a second connection assembly 23, and a second hinge plate 24, as shown in fig. 3 and 4, the first hinge plate 22 and the second hinge plate 24 are disposed between the first connection assembly 21 and the second connection assembly 23, and one end of the first hinge plate 22 is hinged with the first connection assembly 21, the other end of the first hinge plate 22 is hinged with one end of the second hinge plate 24, the other end of the second hinge plate 24 is hinged with the second connection assembly 23, and the first connection assembly 21 and the second connection assembly 23 are used for fixedly connecting the shield walls 11 of two adjacent shield units 1, respectively, so as to prevent the shield units 1 from being offset perpendicular to the tunneling direction.
Specifically, the first connecting assembly 21 includes a first connecting plate 211 and a first limiting plate 212, the second connecting assembly 23 includes a second connecting plate 231 and a second limiting plate 232, the first connecting plate 211 is fixed on an end surface of the first limiting plate 212, the other end surface of the first limiting plate 212 is hinged to the first hinge plate 22, the second connecting plate 231 is fixed on an end surface of the second limiting plate 232, the other end surface of the second limiting plate 232 is hinged to the second hinge plate 24, and the first connecting plate 211 and the second connecting plate 231 are respectively fixedly connected with the corresponding shield wall 11.
In this embodiment, a first auxiliary connecting plate 213 is vertically connected to a surface of the first connecting plate 211, which is far away from the first limiting plate 212, a second auxiliary connecting plate 233 is vertically connected to a surface of the second connecting plate 231, which is far away from the second limiting plate 232, and the first connecting plate 211, the first auxiliary connecting plate 213, the second connecting plate 231 and the second auxiliary connecting plate 233 are welded to the shield wall 11, the first connecting plate 211 is fixedly connected with the first limiting plate 212 through bolts, and the second connecting plate 231 is fixedly connected with the second limiting plate 232 through bolts. The number of the first auxiliary connection boards 213 and the second auxiliary connection boards 233 may be set according to actual needs, for example, the first auxiliary connection boards 213 and the second auxiliary connection boards 233 are two, the two first auxiliary connection boards 213 are parallel to each other, and the two second auxiliary connection boards 233 are parallel to each other.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (4)
1. The movable supporting shield for urban pipe bag construction is characterized by comprising a plurality of shield units and limiting hinges, wherein the shield units are sequentially arranged, each shield unit comprises shield walls arranged on two side walls of a pipe bag tunnel and guard plates arranged on outer vertical surfaces of the shield walls, two adjacent shield units can move relative to each other along the tunneling direction of the pipe bag tunnel, the guard plates of the two adjacent shield units are in staggered lap joint, the limiting hinges are arranged between the shield walls of the two adjacent shield units, each limiting hinge comprises a first connecting component, a first hinge plate, a second connecting component and a second hinge plate, the first connecting component is fixedly connected with the shield wall of one shield unit, the first hinge plate and the second hinge plate are arranged between the first connecting component and the second connecting component, one end of each first hinge plate is hinged with the shield wall of the other shield unit, the other end of each first hinge plate is hinged with the first hinge plate, and the other end of each second hinge plate is hinged with the second hinge plate; the first connecting assembly comprises a first connecting plate and a first limiting plate, the second connecting assembly comprises a second connecting plate and a second limiting plate, the first connecting plate is fixed on one end face of the first limiting plate, the other end face of the first limiting plate is hinged with the first hinge plate, the second connecting plate is fixed on one end face of the second limiting plate, the other end face of the second limiting plate is hinged with the second hinge plate, and the first connecting plate and the second connecting plate are respectively fixedly connected with the corresponding shield wall; the shield wall is composed of a framework formed by transverse and longitudinal rectangular pipes and steel plates covered on two sides of the framework, one surface of the first connecting plate, which is far away from the first limiting plate, is vertically connected with a first auxiliary connecting plate, one surface of the second connecting plate, which is far away from the second limiting plate, is vertically connected with a second auxiliary connecting plate, the first auxiliary connecting plate, the second connecting plate and the second auxiliary connecting plate are all welded with the shield wall, specifically, the first connecting plate and the second connecting plate are welded with the transverse rectangular pipes, and the first auxiliary connecting plate and the second auxiliary connecting plate are inserted between the longitudinal rectangular pipes on two sides and are welded with the transverse and longitudinal rectangular pipes; the first connecting plate is fixedly connected with the first limiting plate through bolts, and the second connecting plate is fixedly connected with the second limiting plate through bolts.
2. The mobile support shield of claim 1, wherein the first auxiliary connection plates and the second auxiliary connection plates are two, the two first auxiliary connection plates are parallel to each other, and the two second auxiliary connection plates are parallel to each other.
3. A mobile shield according to any one of claims 1 to 2, wherein the hinge comprises a first connecting member, a first hinge plate, a second connecting member and a second hinge plate, the first hinge plate and the second hinge plate are arranged between the first connecting member and the second connecting member, one end of the first hinge plate is hinged with the first connecting member, the other end of the first hinge plate is hinged with one end of the second hinge plate, the other end of the second hinge plate is hinged with the second connecting member, and the first connecting member and the second connecting member are respectively fixedly connected with shield walls of two adjacent shield units so as to prevent the shield units from deviating perpendicular to the tunneling direction.
4. The spacing hinge of claim 3, wherein a first auxiliary connecting plate is vertically connected to a side of the first connecting plate away from the first limiting plate, a second auxiliary connecting plate is vertically connected to a side of the second connecting plate away from the second limiting plate, the first connecting plate, the first auxiliary connecting plate, the second connecting plate and the second auxiliary connecting plate are welded to the shield wall, the first connecting plate is fixedly connected with the first limiting plate through bolts, and the second connecting plate is fixedly connected with the second limiting plate through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810311398.9A CN108560582B (en) | 2018-04-09 | 2018-04-09 | Movable support shield for urban pipe bag construction and limiting hinge thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810311398.9A CN108560582B (en) | 2018-04-09 | 2018-04-09 | Movable support shield for urban pipe bag construction and limiting hinge thereof |
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| Publication Number | Publication Date |
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| CN108560582A CN108560582A (en) | 2018-09-21 |
| CN108560582B true CN108560582B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108560582A (en) | 2018-09-21 |
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