CN217681774U - Split type double-side-wall tunnel lining trolley adopting pit guiding method - Google Patents
Split type double-side-wall tunnel lining trolley adopting pit guiding method Download PDFInfo
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- CN217681774U CN217681774U CN202221197995.1U CN202221197995U CN217681774U CN 217681774 U CN217681774 U CN 217681774U CN 202221197995 U CN202221197995 U CN 202221197995U CN 217681774 U CN217681774 U CN 217681774U
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Abstract
The application discloses split type double-side-wall pit guiding method tunnel lining trolley, relate to tunnel construction technical field, including left side lining trolley, middle part lining trolley and right side lining trolley, left side lining trolley includes left side portal and left side template, be equipped with the first driving piece that is used for making left side template remove to the tunnel lateral wall on the portal of left side, middle part lining trolley includes middle part portal and middle part template, be equipped with the second driving piece that is used for making middle part template remove to the tunnel roof on the portal of middle part, right side lining trolley includes the right side portal and is curved right side template, be equipped with the third driving piece that is used for making right side template remove to the tunnel inner wall on the portal of right side, left side template, middle part template and right side template can be dismantled and connect, the portal of left side, the bottom of middle part portal and right side portal all is equipped with the mobile device. The lining trolley is divided into three parts, so that the lining trolley can walk in a tunnel without dismantling a supporting wall, and the construction efficiency is higher.
Description
Technical Field
The application relates to the technical field of tunnel construction, in particular to a split type tunnel lining trolley adopting a double-side-wall pit guiding method.
Background
In recent years, along with the development of urban rail transit systems, a large number of subway station projects are developed, the scale is larger and larger, the requirements on concrete pouring quality and field civilized construction are stricter, temporary supports can be arranged in the whole excavation and primary support processes due to the fact that the main structure of a subsurface station is larger, and the arrangement of the temporary supports can influence the passing of a whole trolley.
At present, when a tunnel is excavated, in order to reduce the amplitude of ground surface settlement, a double-side-wall pit guiding method is mostly adopted, two horizontal cross braces are arranged on two sides, two vertical supports are arranged in the middle of the tunnel, and the supports are generally formed by I-shaped steel and sprayed concrete so as to meet the safety and stability of settlement, clearance convergence and other monitoring items of a station primary supporting structure and peripheral buildings. The lining trolley can be generally used for secondary lining of the tunnel, but the middle two supports of the tunnel ensure that the lining trolley can not move in the tunnel, and only a scaffold can be used for manual lining, so that the construction efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to improve the problem that tunnel lining efficiency of construction is low, this application provides a split type double-side wall pilot tunnel lining platform truck.
The application provides a split type double-side-wall pit-guiding method tunnel lining trolley adopts the following technical scheme.
The utility model provides a split type double-side wall pit guiding method tunnel lining platform truck, includes left side lining platform truck, middle part lining platform truck and right side lining platform truck, left side lining platform truck includes the left side portal and is curved left side template, the left side template sets up in the top of left side portal, be equipped with the first driving piece that is used for making the left side template remove to the tunnel lateral wall on the portal of left side, middle part lining platform truck includes the middle part portal and is curved middle part template, the middle part template sets up in the top of middle part portal, be equipped with the second driving piece that is used for making the middle part template remove to the tunnel roof on the portal of middle part, right side lining platform truck includes the right side portal and is curved right side template, the right side template sets up on the right side portal, be equipped with the third driving piece that is used for making the right side template remove to the tunnel inner wall on the portal of right side, left side template, middle part template and right side template can dismantle the connection, the bottom of left side portal, middle part and right side all is equipped with the mobile device.
By adopting the technical scheme, when two vertical supporting plates are not dismantled in the tunnel, the left lining trolley, the middle lining trolley and the right lining trolley enter the tunnel, the left lining trolley, the middle lining trolley and the right lining trolley can walk in the tunnel when the vertical supporting plates are not dismantled under the action of the moving device, secondary lining construction is carried out on the inner wall of the tunnel, the construction sequence can be flexibly changed, the safety and stability of the structure and peripheral buildings can be guaranteed, the construction efficiency is improved, the labor intensity is reduced, and the construction period is shortened.
Optionally, the both sides that middle part template is close to left side template and right side template are equipped with and are curved connecting plate, one side and the middle part template of connecting plate are articulated, the both sides of middle part template are equipped with and are used for promoting the connecting plate left side template and right side template pivoted supporting component, two one side that the middle part template was kept away from to the connecting plate is contradicted respectively in left side template and right side template.
Through adopting above-mentioned technical scheme, demolish the back in the position that is close to the tunnel top with vertical backup pad, make connecting plate left side form board and right side form board through supporting component, make the connecting plate link together left side form board and right side form board, conveniently carry out secondary lining to whole tunnel inner wall, it is more convenient to be under construction.
Optionally, the supporting assembly comprises a supporting cylinder and a sliding block, the sliding block is arranged at the telescopic end of the supporting cylinder, one end, far away from the telescopic end, of the supporting cylinder is hinged to the middle gantry, and the sliding block is arranged on the connecting plate in a sliding mode along the width direction of the connecting plate.
Through adopting above-mentioned technical scheme, need connect connecting plate, left side template and right side template and make, start the support cylinder, support cylinder makes the connecting plate rotate on the template of middle part, and the support cylinder can remove on the connecting plate when flexible, and the messenger connecting plate is contradicted at the side of left side template and right side template.
Optionally, one side of the left side portal and one side of the right side portal, which are close to the middle portal, are both provided with a reinforcing assembly, the reinforcing assembly comprises a reinforcing cylinder and a reinforcing plate, the reinforcing plate is hinged to the telescopic end of the reinforcing cylinder and is two, the reinforcing plate respectively abuts against the connecting plate and the connecting part of the left side template and the right side template, the reinforcing cylinder is respectively arranged on the left side portal and the right side portal, and the reinforcing cylinder is obliquely arranged towards the connecting plate.
Through adopting above-mentioned technical scheme, when carrying out secondary lining, the gusset plate is contradicted under the effect of reinforcement cylinder in the junction of connecting plate, left side template and right side template, plays the reinforced effect to the junction of connecting plate, left side template and right side template, can reduce the connecting plate and make support cylinder damage easily under the heavy load of concrete, leads to the possibility of connecting plate and left side template and right side template disconnection for the connecting plate is more firm.
Optionally, a movable groove for moving the sliding block is formed in the reinforcing plate.
Through adopting above-mentioned technical scheme, when contradicting the gusset plate on the connecting plate, the movable groove on the gusset plate can avoid the slider on the connecting plate to contradict on the gusset plate for the slider can pass the movable groove, makes the gusset plate can contradict completely on the connecting plate, makes the gusset plate contradict more firmly on the connecting plate.
Optionally, a limiting block is arranged on the connecting plate, and the reinforcing plate abuts against one side of the limiting block.
Through adopting above-mentioned technical scheme, when the gusset plate contradicts on the connecting plate, the stopper can play spacing effect to the gusset plate, can avoid consolidating the condition that the cylinder gusset plate removed to the connecting plate completely when making the gusset plate remove.
Optionally, one side that left side portal, right side portal are close to the middle part portal all is equipped with a plurality of connecting pieces, the connecting piece is articulated with left side portal and right side portal, the connecting piece can be dismantled with the middle part portal and be connected.
By adopting the technical scheme, two vertical supporting plates in the tunnel can be detached and then the left portal, the right portal and the middle portal can be connected together through the connecting piece, so that the left lining trolley, the middle lining trolley and the right lining trolley can synchronously move to carry out secondary lining on the tunnel.
Optionally, the connecting piece includes a connecting rod and a connecting pipe, the connecting pipe is hinged to the left side portal frame and the right side portal frame, one end of the connecting rod is inserted into the connecting pipe through threads, and one end of the connecting rod, which is far away from the connecting pipe, is fixed to the middle portal frame through a bolt.
By adopting the technical scheme, when the left lining trolley, the middle lining trolley and the right lining trolley are required to be connected together, the connecting rod is inserted into the connecting pipe in a threaded manner and is fixed on the middle portal through the bolt, so that the left lining trolley, the middle lining trolley and the right lining trolley are more convenient to connect and dismantle.
In summary, the present application includes at least one of the following advantages:
1. when two vertical supporting plates are not dismounted in the tunnel, the left lining trolley, the middle lining trolley and the right lining trolley enter the tunnel, and can walk in the tunnel when the vertical supporting plates are not dismounted under the action of the moving device, so that secondary lining construction is carried out on the inner wall of the tunnel, the construction sequence can be flexibly changed, the safety and stability of the structure and surrounding buildings can be ensured, the construction efficiency is improved, the labor intensity is reduced, and the construction period is shortened;
2. when carrying out secondary lining, the gusset plate is contradicted in the junction of connecting plate, left side template and right side template, plays reinforced (rfd) effect to the junction of connecting plate, left side template and right side template, can reduce the connecting plate and make the support cylinder damage easily under the heavy pressure of concrete, leads to the connecting plate and the possibility of left side template and the disconnection of right side template for the connecting plate is more firm.
Drawings
Fig. 1 is a schematic structural diagram of a split double-side-wall tunnel lining trolley according to an embodiment of the application.
Fig. 2 is a schematic structural view of a support member and a reinforcement member.
Description of reference numerals:
1. a left lining trolley; 11. a left portal; 12. a left side template; 13. a first driving member; 2. a middle lining trolley; 21. a middle portal; 22. a middle template; 23. a second driving member; 24. a connecting plate; 241. a limiting block; 3. a right lining trolley; 31. a right side portal; 32. a right side template; 33. a third driving member; 4. a mobile device; 5. a support assembly; 51. a support cylinder; 52. a slider; 6. a reinforcement assembly; 61. reinforcing the cylinder; 62. a reinforcing plate; 621. a movable groove; 7. a connecting member; 71. a connecting rod; 72. and (4) connecting the pipes.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses split type double-side-wall pit-guiding method tunnel lining trolley. Referring to fig. 1, the split double-sidewall tunnel lining trolley of the pit guiding method comprises a left lining trolley 1, a middle lining trolley 2 and a right lining trolley 3, wherein the left lining trolley 1, the middle lining trolley 2 and the right lining trolley 3 are separated by two vertical supporting plates in a tunnel. The left lining trolley 1 comprises a left portal 11 and an arc-shaped left template 12, the left template 12 is installed on the left portal 11, and a first driving piece 13 for enabling the left template 12 to move towards the side wall of the tunnel is installed on the left portal 11.
The middle lining trolley 2 comprises a middle portal 21 and a middle formwork 22, the middle formwork 22 is installed at the top of the middle portal 21, and a second driving piece 23 used for enabling the top wall of the tunnel of the middle formwork 22 to move is arranged on the middle portal 21. The right lining trolley 3 comprises a right portal 31 and a right formwork 32, the right formwork 32 is arranged on the right portal 31, and a third driving piece 33 used for enabling the right formwork 32 to move towards the side wall of the tunnel is installed on the right portal 31. The first driving part 13, the second driving part 23 and the third driving part 33 are all provided with a plurality of telescopic cylinders, the bottoms of the left portal 11, the middle portal 21 and the right portal 31 are all provided with a moving device 4 for moving, and the left template 12, the middle template 22 and the right template 32 are provided with grouting holes and oscillation equipment. When two vertical supporting plates are not dismounted in the tunnel, the left lining trolley 1, the middle lining trolley 2 and the right lining trolley 3 enter the tunnel, and can walk in the tunnel under the action of the moving device 4 when the vertical supporting plates are not dismounted, secondary lining construction is carried out on the inner wall of the tunnel, the construction sequence can be flexibly changed, the safety and stability of the structure and surrounding buildings can be guaranteed, the construction efficiency is improved, the labor intensity is reduced, and the construction period is shortened.
After two backup pads are dismantled, in order to make left lining platform truck 1, middle lining platform truck 2 and right lining platform truck 3 link together, at left lining platform truck 1, install multiunit connecting piece 7 between middle lining platform truck 2 and the right lining platform truck 3, connecting piece 7 includes connecting rod 71 and connecting pipe 72, the one end of connecting pipe 72 is articulated with left side portal 11 and right side portal 31, connecting rod 71 screw thread is inserted and is located in connecting pipe 72, the bolt fastening is passed through with the both sides of middle part portal 21 to the one end that connecting rod 71 kept away from connecting pipe 72. The left portal 11, the right portal 31 and the middle portal 21 are connected together through the connecting piece 7, so that the left lining trolley 1, the middle lining trolley 2 and the right lining trolley 3 can move synchronously to perform secondary lining on the tunnel. The connecting rod 71 is fixed on the middle gantry 21 through a bolt, so that the connection and separation operations of the left lining trolley 1, the middle lining trolley 2 and the right lining trolley 3 are more convenient.
Referring to fig. 1 and 2, in the construction process, after the tops of two vertical supporting plates are removed, the left formwork 12, the middle formwork 22 and the right formwork 32 need to be connected together to perform secondary lining on the inner wall of the tunnel, arc-shaped connecting plates 24 are arranged on two sides of the middle formwork 22, and the two connecting plates 24 are hinged to the middle formwork 22. And the two sides of the middle portal 21 are provided with support assemblies 5 for enabling the two connecting plates 24 to rotate towards the left side formwork 12 and the right side formwork 32, and one side of the connecting plate 24, which is far away from the top end of the middle formwork 22, is respectively abutted against the left side formwork 12 and the right side formwork 32. And the left side formwork 12 and the right side formwork 32 are connected together by the connecting plate 24 through the supporting component 5, so that secondary lining construction is conveniently carried out on the inner wall of the whole tunnel.
The supporting assembly 5 comprises a supporting cylinder 51 and a sliding block 52, the supporting cylinder 51 is hinged on the middle door frame 21, the sliding block 52 is arranged on the connecting plate 24 and is arranged on the connecting plate 24 in a sliding mode along the width direction of the connecting plate 24, and the telescopic end of the supporting cylinder 51 is hinged with the sliding block 52. The support cylinder 51 pushes the connecting plate 24 to rotate, and the slider 52 can slide on the connecting plate 24, so that the connecting plate 24 can abut against the left side template 12 and the right side template 32.
Referring to fig. 1 and 2, when the left formwork 12, the middle formwork 22 and the right formwork 32 are connected together by the connecting plate 24, when the tunnel is secondarily lined, the connecting plate 24 can bear the gravity of concrete, and in order to reduce the possibility that the supporting cylinder 51 is stressed too much and damaged to cause the connecting plate 24 to rotate downwards, the reinforcing assembly 6 is arranged on one side of the left portal 11 and one side of the right portal 31 close to the middle portal 21.
The reinforcing assembly 6 comprises a reinforcing cylinder 61 and an arc-shaped reinforcing plate 62, the reinforcing cylinder 61 is installed on the left side portal 11 and the right side portal 31, the telescopic end of the reinforcing cylinder 61 is hinged to the reinforcing plate 62, the reinforcing cylinder 61 is obliquely arranged towards the direction of the connecting plate 24, the reinforcing plate 62 can be abutted to the connecting plate 24 and the left side template 12 through the reinforcing cylinder 61, the right side template 32 is in contact with the reinforcing plate, a connecting gap between the connecting plate 24 and the left side template 12 and the right side template 32 is sealed, the possibility of slurry leakage can be reduced, meanwhile, the connecting plate 24, the left side template 12 and the right side template 32 can be reinforced, the connecting plate 24 is prevented from being easily damaged by the supporting cylinder 51 under the heavy pressure of concrete, the connecting plate 24 is prevented from being disconnected from the left side template 12 and the right side template 32, and the connecting plate 24 is more stably installed.
In order to prevent the reinforcing plate 62 from abutting against the sliding block 52 on the connecting plate 24 when the reinforcing plate 62 moves towards the connecting plate 24, and thus the reinforcing plate 62 cannot abut against the connecting plate 24, a movable groove 621 is formed at one time of the reinforcing plate 62 near the middle formwork 22, and the sliding block 52 can pass through the movable groove 621.
When the reinforcing cylinder 61 pushes the reinforcing plate 62 to move towards the connecting plate 24, in order to avoid the situation that the reinforcing plate 62 completely moves onto the connecting plate 24 when the reinforcing cylinder 61 moves the reinforcing plate 62, the limiting block 241 is arranged on the connecting plate 24, one side, close to the middle template 22, of the reinforcing plate 62 abuts against the limiting block 241, and the situation that the reinforcing plate 62 completely moves onto the connecting plate 24 can be avoided.
The implementation principle of the split type tunnel lining trolley with the double-side-wall pit guide method is as follows: and enabling the left lining trolley 1, the middle lining trolley 2 and the right lining trolley 3 to enter the tunnel, and performing lining construction on the inner wall of the tunnel. Dismantle the top of two vertical backup pads, link together left side lining platform truck 1, middle part lining platform truck 2 and right side lining platform truck 3 through connecting piece 7, support cylinder 51 makes connecting plate 24 link together left side template 12 and right side template 32, and reinforcement cylinder 61 makes gusset plate 62 contradict in the junction of connecting plate 24 and left side template 12 and right side template 32, carries out the secondary lining construction to the tunnel inner wall.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a split type double-side wall tunnel lining platform truck of pilot tunnel method, includes left side lining platform truck (1), middle part lining platform truck (2) and right side lining platform truck (3), its characterized in that: left side lining platform truck (1) includes left side portal (11) and is curved left side template (12), left side template (12) set up in the top of left side portal (11), be equipped with on left side portal (11) and be used for making left side template (12) to tunnel lateral wall removal first driving piece (13), middle part lining platform truck (2) include middle part portal (21) and be curved middle part template (22), middle part template (22) set up in the top of middle part portal (21), be equipped with on middle part portal (21) and be used for making middle part template (22) to tunnel roof removal second driving piece (23), right side lining platform truck (3) include right side portal (31) and be curved right side template (32), right side template (32) set up on right side portal (31), be equipped with on right side portal (31) and be used for making right side template (32) to tunnel inner wall removal third driving piece (33), left side template (12), middle part template (22) and right side template (32) can dismantle the connection, left side portal (11), middle part template (21) and right side portal (31) all are equipped with the bottom that the portal (4) removed the device.
2. The split double-side-wall tunnel lining trolley according to claim 1, wherein: middle part template (22) are close to the both sides of left side template (12) and right side template (32) and are equipped with and are curved connecting plate (24), one side and middle part template (22) of connecting plate (24) are articulated, the both sides of middle part template (22) are equipped with and are used for promoting connecting plate (24) left side template (12) and right side template (32) pivoted supporting component (5), two one side that middle part template (22) was kept away from in connecting plate (24) is contradicted respectively in left side template (12) and right side template (32).
3. The split double-side-wall tunnel lining trolley according to claim 2, wherein: the supporting assembly (5) comprises a supporting cylinder (51) and a sliding block (52), the sliding block (52) is arranged at the telescopic end of the supporting cylinder (51), one end, far away from the telescopic end, of the supporting cylinder (51) is hinged to the middle gantry (21), and the sliding block (52) is arranged on the connecting plate (24) in a sliding mode along the width direction of the connecting plate (24).
4. The split double-side-wall tunnel lining trolley according to claim 3, wherein: one side that left side portal (11) and right side portal (31) are close to middle part portal (21) all is equipped with reinforcement subassembly (6), reinforcement subassembly (6) are including consolidating cylinder (61) and being curved gusset plate (62), gusset plate (62) are articulated to be set up in the flexible end of consolidating cylinder (61), two gusset plate (62) contradict respectively in the junction of connecting plate (24) and left side template (12), right side template (32), two consolidate cylinder (61) and set up respectively in left side portal (11) and right side portal (31), consolidate cylinder (61) and set up towards connecting plate (24) slope.
5. The split double-side-wall pit-guiding tunnel lining trolley according to claim 4, wherein: the reinforcing plate (62) is provided with a movable groove (621) for the sliding block (52) to move.
6. The split double-side-wall tunnel lining trolley according to claim 5, wherein: the connecting plate (24) is provided with a limiting block (241), and the reinforcing plate (62) is abutted to one side of the limiting block (241).
7. The split double-side-wall tunnel lining trolley according to claim 1, wherein: one side of the left side portal (11) and one side of the right side portal (31) close to the middle portal (21) are both provided with a plurality of connecting pieces (7), the connecting pieces (7) are hinged to the left side portal (11) and the right side portal (31), and the connecting pieces (7) are detachably connected with the middle portal (21).
8. The split double-side-wall tunnel lining trolley according to claim 7, wherein: the connecting piece (7) comprises a connecting rod (71) and a connecting pipe (72), the connecting pipe (72) is hinged to the left side door frame (11) and the right side door frame (31), one end of the connecting rod (71) is inserted into the connecting pipe (72) in a threaded mode, and one end, far away from the connecting pipe (72), of the connecting rod (71) is fixed to the middle door frame (21) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221197995.1U CN217681774U (en) | 2022-05-18 | 2022-05-18 | Split type double-side-wall tunnel lining trolley adopting pit guiding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221197995.1U CN217681774U (en) | 2022-05-18 | 2022-05-18 | Split type double-side-wall tunnel lining trolley adopting pit guiding method |
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| Publication Number | Publication Date |
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| CN217681774U true CN217681774U (en) | 2022-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221197995.1U Active CN217681774U (en) | 2022-05-18 | 2022-05-18 | Split type double-side-wall tunnel lining trolley adopting pit guiding method |
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| CN (1) | CN217681774U (en) |
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- 2022-05-18 CN CN202221197995.1U patent/CN217681774U/en active Active
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