CN219932187U - Tunnel full round platform vehicle capable of adjusting lining direction - Google Patents
Tunnel full round platform vehicle capable of adjusting lining direction Download PDFInfo
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- CN219932187U CN219932187U CN202320862135.3U CN202320862135U CN219932187U CN 219932187 U CN219932187 U CN 219932187U CN 202320862135 U CN202320862135 U CN 202320862135U CN 219932187 U CN219932187 U CN 219932187U
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- 238000007667 floating Methods 0.000 claims abstract description 42
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 21
- 230000007547 defect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model belongs to the field of tunnel lining trolleys, and particularly relates to a tunnel full-circle trolley with an adjustable lining direction; the template is arranged on a frame longitudinal beam and supported by a template cylinder; the needle beam can slide through the hollow frame longitudinal beam; the front and rear beam ends of the frame longitudinal beam are respectively provided with a detachable front end connection reservation and a rear end connection reservation, the front end anti-floating device is arranged at the front end connection reservation top, the rear end anti-floating device is arranged at the rear end connection reservation top, and the middle anti-floating device is arranged in the top beam of the frame longitudinal beam; the needle beam front end support and the needle beam rear end support are arranged at the bottoms of the front end and the rear end of the needle beam; the bidirectional winch is positioned at one end of the needle beam, the pulley is arranged at the other end of the needle beam, and a rope of the bidirectional winch bypasses the bidirectional winch and the pulley and is connected with the frame longitudinal beam; the steering and turning functions of the full-circle lining trolley are realized, and the defect that the traditional lining trolley can only perform secondary lining from outside to inside along one direction is overcome.
Description
Technical Field
The utility model belongs to the field of tunnel lining trolleys, and particularly relates to a tunnel full-circle trolley with an adjustable lining direction.
Background
In recent years, with the continuous development and maturity of the domestic shield tunneling machine technology, and due to the safety, high efficiency and low disturbance of the shield construction method, more and more water works, traffic and municipal tunnels are constructed by the shield construction method. Compared with traffic and municipal tunnels, the hydraulic tunnel needs to be subjected to secondary concrete lining again after the lining segments are assembled, so that the hydraulic tunnel is waterproof and the water conveying resistance of the tunnel wall is reduced.
The existing full-circle needle beam lining trolley for the tunnel is mainly used for circular section tunnel concrete lining construction, and is different from other section tunnel concrete lining construction, and because the section shape is circular, the full-circle needle beam lining trolley for the tunnel needs to be applied to the concrete lining once (joints are not reserved), and lining pouring needs to be carried out across an inverted arch of the tunnel. Needle beams are usually adopted as crossing components, supporting jack cylinders are adopted as supporting components, templates in all directions are adopted as template systems, windlass is adopted as traction components and other matched components to form a full-circle two-lining trolley so as to apply circular concrete lining.
When the traditional full-circle needle beam lining trolley is applied to the secondary lining of a tunnel, the traditional full-circle needle beam lining trolley is usually carried out from the tunnel opening and inwards in sequence, and when the traditional full-circle needle beam lining trolley is applied to the junction of a middle vertical shaft of the tunnel, the trolley is dismantled, trolley parts are conveyed to another line for reassembling, and then concrete secondary lining of the other line is applied.
It can be seen that the conventional full circle needle beam lining trolley has the following disadvantages:
1. the double lining construction can be carried out along a fixed direction only;
2. when the line or the direction is required to be changed, the trolley is required to be disassembled and reassembled;
3. the structural connection at the tunnel shaft position is weaker, the mechanical property is weaker, and the application time of the two liners is limited.
Aiming at the problems, the applicant improves the traditional full-circle needle beam lining trolley, and comprehensively optimizes the full-circle needle beam lining trolley by improving trolley components, adjusting supporting structures, optimizing a template system and the like, so as to achieve the purposes of convenient steering and turning of the trolley, no need of removing a die and no need of disassembling the reloading trolley.
Disclosure of Invention
The main purpose of the utility model is as follows: providing a tunnel full-circle trolley with adjustable lining direction so as to realize timely application of a second lining at the connection position of a tunnel shaft and enhance the mechanical property of the structure; lining direction can be turned in a vertical shaft or a hole; without the need for removing the mold and equipment.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: a tunnel full-circle trolley capable of adjusting lining direction comprises a template, a frame longitudinal beam, a needle beam, a bidirectional winch, a needle beam front end support, a needle beam rear end support, front end anti-floating, middle anti-floating, rear end anti-floating and frame longitudinal beam rear end support; the templates are arranged on the frame longitudinal beams and supported by the template oil cylinders, a plurality of templates are surrounded on the outer periphery of the frame longitudinal beams to form a closed cylinder, and lining concrete pouring working windows are formed on the templates; the needle beam can slide through the hollow frame longitudinal beam; the front and rear beam ends of the frame longitudinal beam are respectively provided with a detachable front end connection reservation and a rear end connection reservation, the front end anti-floating device is arranged at the front end connection reservation top, the rear end anti-floating device is arranged at the rear end connection reservation top, the middle anti-floating device is arranged in the top beam of the frame longitudinal beam, the middle anti-floating device penetrates out of an opening of the template, and the rear end support of the frame longitudinal beam is arranged at the rear end connection reservation bottom; the needle beam front end support and the needle beam rear end support are arranged at the bottoms of the front end and the rear end of the needle beam; the bidirectional winch is positioned at one end of the needle beam, the pulley is arranged at the other end of the needle beam, and a rope of the bidirectional winch bypasses the bidirectional winch and the pulley and is connected with the frame longitudinal beam; the needle beam front end support, the needle beam rear end support and the frame longitudinal beam rear end support can be lifted.
Further, the length reserved by the rear end connection is 1-1.5 m, and the length reserved by the front end connection is 1.5-2 m; the front end connection reservation and the rear end connection reservation have the same structure as the frame longitudinal beam, and the front end connection reservation and the rear end connection reservation are connected with the frame longitudinal beam through bolts by a connecting plate with double rows of holes.
Further, the frame longitudinal beam is in contact with the needle beam through rollers, and the rollers are distributed on the top surface and the bottom surface of the needle beam on the frame longitudinal beam.
Further, the length of the needle beam is 2-3 times of the length of the frame longitudinal beam.
Further, the front end anti-floating, the middle anti-floating and the rear end anti-floating extension members are all oil cylinders.
Compared with the prior art, the utility model has the advantages that:
the steering and turning can be realized without removing the mould and the trolley, the construction labor and time are saved, and the mechanical stability of the structure can be enhanced by applying the two liners at the junction of the tunnel shaft or the branching of the tunnel in time.
The steering and turning functions of the full-circle lining trolley are realized, and the defect that the traditional lining trolley can only perform secondary lining from outside to inside along one direction is overcome.
The method provides a new thought for the tunnel structure construction method, namely, the secondary lining can be applied at the weak part of the structure as soon as possible, and the tunnel structure can be sealed into a ring as soon as possible, so that the cracking of the structure or larger engineering accidents are avoided.
Drawings
Fig. 1 is a schematic view of a frame stringer, a form.
Fig. 2 is a schematic structural view of a needle beam.
Fig. 3 is a schematic structural view of the full circle trolley.
Fig. 4 is a schematic illustration of the connection of the form to the frame stringers.
Fig. 5 is a schematic structural view of the connection plate.
In the figure: 1. a template; 2. a frame stringer; 3. the front end is reserved in a connection way; 4. the rear end is reserved in a connection way; 5. needle beam; 6. the front end of the needle beam is supported; 7. the rear end of the needle beam is supported; 8. a bidirectional winch; 9. the front end is anti-floating; 10. the middle part resists floating; 11. the rear end is anti-floating; 12. the rear end of the frame longitudinal beam is supported; 13. a template cylinder; 14-connecting plates.
Detailed Description
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
As shown in fig. 1 to 4: a tunnel full-circle trolley with lining direction adjustable comprises a template 1, a frame longitudinal beam 2, a needle beam 5, a bidirectional winch 8, a needle beam front end support 6, a needle beam rear end support 7, a front end anti-floating 9, a middle anti-floating 10, a rear end anti-floating 11 and a frame longitudinal beam rear end support 12; the template 1 is arranged on the frame longitudinal beam 2 and supported by the template oil cylinders 13, a plurality of templates 1 form a closed cylinder body in an enclosing mode on the outer ring of the frame longitudinal beam 2, normal pouring of lining is achieved through expansion and contraction of the template oil cylinders 13, when the template oil cylinders 13 contract, the template can be achieved without disassembling the template, front-back conversion walking of the trolley is achieved, lining concrete pouring working windows are formed in the template 1, and manual vibration concrete is guaranteed. Needle beam 5 slidably passes through hollow frame stringer 2 as a support for frame stringer 2; the front and rear beam ends of the frame longitudinal beam 2 are respectively provided with a detachable front end connection reservation 3 and a rear end connection reservation 4, a front end anti-floating 9 is arranged at the top of the front end connection reservation 3, a rear end anti-floating 11 is arranged at the top of the rear end connection reservation 4, a middle anti-floating 10 is arranged in the top beam of the frame longitudinal beam 2, the middle anti-floating 10 penetrates out of an opening of the template 1, and a frame longitudinal beam rear end support 12 is arranged at the bottom of the rear end connection reservation 4; the needle beam front end support 6 and the needle beam rear end support 7 are arranged at the bottoms of the front end and the rear end of the needle beam 5; the bidirectional winch 8 is positioned at one end of the needle beam 5, a pulley is arranged at the other end of the needle beam 5, and a rope of the bidirectional winch 8 bypasses the bidirectional winch 8 and the pulley and is connected with the frame longitudinal beam 2; the needle beam front end support 6, the needle beam rear end support 7 and the frame longitudinal beam rear end support 12 can be lifted. The bidirectional winch 8 can pull the frame longitudinal beam 2 and the needle beam 5 to move forward respectively, and when the gradient of a longitudinal slope is large, the pulling force of the bidirectional winch 8 can prevent the frame longitudinal beam 2 or the needle beam 5 from sliding downwards.
The full round platform trolley is supported alternately by the needle beam front end support 6, the needle beam rear end support 7, the frame longitudinal beam 2 and the template 1, and the frame longitudinal beam 2 and the needle beam 5 are pulled to move relatively by the bidirectional winch 8, so that the trolley can move forwards and backwards. When the needle beam front end support 6 and the needle beam rear end support 7 fall to the ground, the frame longitudinal beam rear end support 12 is lifted, the front end anti-floating 9, the middle anti-floating 10 and the rear end anti-floating 11 are retracted, the template 1 is folded back, and the bidirectional winch 8 pulls the frame longitudinal beam 2 to slide on the needle beam 5. The template 1 is completely unfolded and falls on a poured lining surface, the rear end support 12 of the frame longitudinal beam is stepped on the lining surface, the front end support 6 of the needle beam and the rear end support 7 of the needle beam are lifted, and the needle beam 5 is moved by the reaction force when the bidirectional winch 8 pulls the frame longitudinal beam 2.
As shown in fig. 5: the length of the rear end connection reservation 4 is 1-1.5 meters, and the length of the front end connection reservation 3 is 1.5-2 meters; the front end connection reservation 3 and the rear end connection reservation 4 have the same structure as the frame longitudinal beam 2, the front end connection reservation 3 and the rear end connection reservation 4 are connected with the frame longitudinal beam 2 through bolts by a connecting plate 14 with double rows of holes, and two rows of bolt holes of the connecting plate 14 are respectively connected with the frame longitudinal beam 2 and the front end connection reservation 3 or the rear end connection reservation 4. The front end connection reservation 3 and the rear end connection reservation 4 of the disassembly and switching are used for realizing front-back switching of the trolley, so that the lining direction can be switched and normal lining can be realized.
The frame longitudinal beam 2 and the needle beam 5 are in contact with each other through rollers, sliding resistance between the frame longitudinal beam 2 and the needle beam 5 is reduced, and the rollers are distributed on the top surface and the bottom surface of the needle beam 5 on the frame longitudinal beam 2.
The length of the needle beam 5 is 2-3 times of the length of the frame longitudinal beam 2, thereby ensuring the distance of each traveling of the trolley.
The stretching components of the front end anti-floating 9, the middle anti-floating 10 and the rear end anti-floating 11 are all oil cylinders, and the anti-floating of the trolley can be realized by stretching and pushing the stretched components on the poured concrete lining.
Construction example:
xxxx river four-stage main canal engineering spans county a and county B. The total length of the underground excavation diversion tunnel is 13.2Km, and single-line construction of four shield machines is adopted. And (3) completing one-time lining (the inner diameter of the segment lining is 5400 mm) by using a shield hidden excavation method, and performing secondary lining concrete pouring (the thickness of the lining is 500mm, and the inner diameter of the lining is 4400 mm) by using a needle beam trolley after the lining is completed. The method is affected by the ground, wherein the tunneling length of three shield machines is 11.25Km, the single construction length of a single shield machine is 3.75Km, the service efficiency of the shield machines (the problems of cutter abrasion, foam hole blockage, long in-hole transportation distance and the like) are not guaranteed, and the problem that the working surface of two-lining construction is less is solved. And (3) at the position of single line tunneling to 1.9Km, an inspection well is constructed to replace the abrasion cutter of the shield machine, and meanwhile, double lining construction is started in a penetrated section. Because the traditional needle beam trolley can only be constructed unidirectionally in the pouring direction, the overhaul well is used as a feed opening, and the trolley passes through the first section and is constructed in the second section, so that the construction directions are opposite. Affected by the ground, the whole length of the trolley is 32m, and the underground turning operation cannot be completed.
Through technical transformation, connection reservation is made at the position of 1000mm at the rear end and 1714mm at the front end of the frame longitudinal beam of the full-circle trolley. When the frame longitudinal beam is completely walked to a position capable of being hoisted in the well, bolts at the positions of the connecting plates are removed, and the top anti-floating devices at the front end and the rear end of the frame longitudinal beam are exchanged, so that the conversion of the pouring construction direction of the trolley can be completed. After the first section of construction of the engineering 3# underground excavation section is completed, the full-circle trolley walks to the inspection well, the conversion of the anti-floating device at the top end of the front end and the rear end of the frame longitudinal beam is completed through the adjustment of the connecting plate, the overall dismantling and installing work of the frame longitudinal beam is reduced, the overall construction speed is improved, the construction period is saved by 15 days, and the construction cost is saved by about 40 ten thousand yuan.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The utility model provides a tunnel full circle platform truck of adjustable lining direction which characterized in that: the device comprises a template (1), a frame longitudinal beam (2), a needle beam (5), a bidirectional winch (8), a needle beam front end support (6), a needle beam rear end support (7), a front end anti-floating (9), a middle anti-floating (10), a rear end anti-floating (11) and a frame longitudinal beam rear end support (12); the templates (1) are arranged on the frame longitudinal beams (2) and supported by the template oil cylinders (13), a plurality of templates (1) are surrounded into a closed cylinder body on the outer ring of the frame longitudinal beams (2), and lining concrete pouring working windows are formed on the templates (1); the needle beam (5) can slide through the hollow frame longitudinal beam (2); the front and rear beam ends of the frame longitudinal beam (2) are respectively provided with a detachable front end connection reservation (3) and a rear end connection reservation (4), a front end anti-floating device (9) is arranged at the top of the front end connection reservation (3), a rear end anti-floating device (11) is arranged at the top of the rear end connection reservation (4), a middle anti-floating device (10) is arranged in the top beam of the frame longitudinal beam (2), the middle anti-floating device (10) penetrates out of an opening of the template (1), and a frame longitudinal beam rear end support (12) is arranged at the bottom of the rear end connection reservation (4); the needle beam front end support (6) and the needle beam rear end support (7) are arranged at the bottoms of the front end and the rear end of the needle beam (5); the bidirectional winch (8) is positioned at one end of the needle beam (5), a pulley is arranged at the other end of the needle beam (5), and a rope of the bidirectional winch (8) bypasses the bidirectional winch (8) and the pulley and is connected with the frame longitudinal beam (2); the needle beam front end support (6), the needle beam rear end support (7) and the frame longitudinal beam rear end support (12) can be lifted.
2. The lining direction adjustable tunnel full circle trolley of claim 1, wherein: the length of the rear end connection reservation (4) is 1-1.5 meters, and the length of the front end connection reservation (3) is 1.5-2 meters; the front end connection reservation (3) and the rear end connection reservation (4) are identical to the frame longitudinal beam (2) in structure, and the front end connection reservation (3) and the rear end connection reservation (4) are connected with the frame longitudinal beam (2) through bolts by a connecting plate (14) with double rows of holes.
3. The tunnel full circle trolley with adjustable lining direction according to claim 2, wherein: the frame longitudinal beam (2) is in contact with the needle beam (5) through rollers, and the rollers are distributed on the top surface and the bottom surface of the needle beam (5) on the frame longitudinal beam (2).
4. A tunnel boring trolley with adjustable lining direction as claimed in claim 3, wherein: the length of the needle beam (5) is 2-3 times of the length of the frame longitudinal beam (2).
5. The lining direction adjustable tunnel boring trolley of claim 4, wherein: the front end anti-floating (9), the middle anti-floating (10) and the rear end anti-floating (11) stretching components are all oil cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320862135.3U CN219932187U (en) | 2023-04-18 | 2023-04-18 | Tunnel full round platform vehicle capable of adjusting lining direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320862135.3U CN219932187U (en) | 2023-04-18 | 2023-04-18 | Tunnel full round platform vehicle capable of adjusting lining direction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219932187U true CN219932187U (en) | 2023-10-31 |
Family
ID=88490694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320862135.3U Active CN219932187U (en) | 2023-04-18 | 2023-04-18 | Tunnel full round platform vehicle capable of adjusting lining direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219932187U (en) |
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2023
- 2023-04-18 CN CN202320862135.3U patent/CN219932187U/en active Active
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