CN216130939U - Two linings of walking, cable duct side wall integration platform trucks for tunnel - Google Patents
Two linings of walking, cable duct side wall integration platform trucks for tunnel Download PDFInfo
- Publication number
- CN216130939U CN216130939U CN202122067928.XU CN202122067928U CN216130939U CN 216130939 U CN216130939 U CN 216130939U CN 202122067928 U CN202122067928 U CN 202122067928U CN 216130939 U CN216130939 U CN 216130939U
- Authority
- CN
- China
- Prior art keywords
- cable trough
- lining
- trolley
- tunnel
- trough side
- 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.)
- Active
Links
Images
Abstract
The utility model belongs to the technical field of lining trolleys, in particular to a walking type two-lining and cable trough side wall integrated trolley for a tunnel, which is particularly used for building the tunnel and solves the technical problems in the background technology, and comprises an arched outer side mould made of an integrated splicing template, a cable trough side mould matched with the shape of the cable trough side wall, a walking type traveling system and a two-lining trolley main rack, wherein two end parts of the arched outer side mould are hinged with the cable trough side mould; the integral template assembly is connected to the two lining trolley main racks through a hydraulic telescopic system, and the walking type walking system is connected to the bottoms of the two lining trolley main racks. The utility model avoids the local water leakage field of the tunnel caused by excessive construction joints; the construction process can be reduced, the project efficiency ratio can be enhanced, the construction progress can be accelerated, and the construction quality can be enhanced by integrally pouring the side wall of the cable trough; the utility model solves the problem of safety quality caused by different working procedures in the tunnel secondary lining construction, reduces the construction investment and shortens the construction time.
Description
Technical Field
The utility model belongs to the technical field of lining trolleys, and particularly relates to a walking type secondary lining and cable trough side wall integrated trolley for a tunnel, which is particularly used for building the tunnel.
Background
The infrastructure construction mainly based on traffic is one of the main factors for determining the economic development level of the region. China is a country with complex terrain, and mountains, plateaus and hills occupy about 67% of land area, wherein the area of the mountains and hills only reaches 43%. The complex and diversified terrains cause great obstacles to the development of transportation. In these areas, the construction of road infrastructure needs to dig tunnels passing through mountains to meet the requirements of transportation convenience, engineering technical standards and the like. Since the development is open, along with the continuous improvement of the economic level of China and the continuous improvement of the tunnel construction technology, the tunnel excavation mode is widely adopted to cross mountains and mountains in the road tunnel construction. After the 80 s in the 20 th century, along with the popularization of the new Olympic method, the mountain road tunnel construction technology mainly based on drilling and blasting excavation is becoming mature in China. Mountain tunnels have really become an indispensable means in high-standard highway construction. In mountain tunnels, large tunnel tunneling machines such as shield tunneling machines cannot be adopted due to terrain, region and geological limitations, a drilling and blasting method is adopted for tunnel excavation, an integral two-lining trolley is adopted for two linings, so that the secondary lining of the tunnel can be quickly and safely constructed, circulation is accelerated, and the situation that the safety step distance is exceeded is avoided and is called as a key construction factor.
At present, the tunnel secondary lining commonly used in China all adopts an integral type splicing template, a track runs, a cable trough is constructed by adopting an independent cable trough trolley or a combined steel template, the tunnel secondary lining is required to be constructed firstly, and the side wall of the cable trough is constructed subsequently and independently, so that the working procedure is increased, the progress is slow, and the cost is higher; and pour the cable duct alone, lean on tunnel one side cable duct lateral wall to need the bar planting, the cost is great, and has the fracture risk.
Disclosure of Invention
The utility model aims to solve the technical problems that the existing lining trolley adopts an independent cable trough trolley or a combined steel template to construct, a tunnel secondary lining needs to be constructed firstly, and a cable trough side wall needs to be constructed subsequently and independently, and provides a walking type secondary lining and cable trough side wall integrated trolley for a tunnel.
The technical means for solving the technical problems of the utility model is as follows: a walking type two-lining and cable trough side wall integrated trolley for a tunnel comprises an arched outer side die, a cable trough side die, a walking type traveling system and a two-lining trolley main rack, wherein the arched outer side die is manufactured by an integrated splicing template; the integral formwork assembly formed by the arched outer side formwork assembly and the cable groove side formwork is connected to the two lining trolley main racks through a hydraulic telescopic system, and the walking type walking system is connected to the bottoms of the two lining trolley main racks.
The construction steps of the walking type two-lining and cable trough side wall integrated trolley for the tunnel are as follows: carrying out trolley assembly and template inspection work outside the hole, adjusting the angle of a cable trough side mold, polishing all outer templates, and checking a walking type walking system and an integral hydraulic telescopic system of the trolley; pouring a second lining section in the tunnel, laying a waterproof plate and geotextile, and fixing; pushing the tunnel to a specified position of a second lining of the construction tunnel, positioning the trolley and fixing the trolley; the arched outer side mold is externally supported by a hydraulic telescopic system, and the cable trough side mold is adjusted in position and locked to plug the bottom of the cable trough side mold; the contour line of the trolley and the side mold of the cable trough are rechecked by a measuring person, and errors occur to be adjusted in time; laying a buried water stop belt, and assembling a plug template (the plug template is plugged by a steel plug and geotextile); checking the fixing condition of the trolley and the blocking condition of the template, pouring concrete and strengthening vibration work according to the standard requirement; removing the formwork after the concrete strength meets the standard requirement, contracting the hydraulic telescopic system to enable the main rack and the integral formwork assembly of the two-lining trolley to descend, retracting the cable trough side formwork, moving the trolley forwards, and completing formwork removal; the external mold is contracted to the minimum position, and the external mold is manually polished and coated with a release agent; and carrying out the next circulation of the second lining operation. The method can realize the simultaneous pouring of the tunnel secondary lining and the cable trough side wall, save the construction flow and time, accelerate the project progress and reduce the cost.
Preferably, the walking type walking system comprises a left main girder, a right main girder, a transverse long-distance jack system and a hydraulic jacking system; the main girder is fixedly connected with a main rack of the two-lining trolley, longitudinal through holes are formed in two end parts of the main girder, a bearing hydraulic system is movably arranged in each longitudinal through hole in a penetrating mode, the lower end of the bearing hydraulic system extends out of the longitudinal through holes and then is connected with bearing legs, a supporting base is arranged at the bottom of each bearing leg, crawler-type strip wheels moving in the left-right direction are arranged on the supporting base and driven by a small-sized jack system, the upper end of the bearing hydraulic system is connected with one end of a hydraulic jacking system, and the other end of the hydraulic jacking system is connected to the main rack of the two-lining trolley; the beam body of each main girder between the two bearing legs is connected with two auxiliary legs with fixed intervals in a sliding mode, a horizontal sliding groove is formed in the main girder, the top of each auxiliary leg is provided with a roller matched with the horizontal sliding groove, one end of the transverse long-distance jack system is connected to the auxiliary legs, and the other end of the transverse long-distance jack system is connected to the main girder. The integral trolley can move forwards and backwards through the alternative matching of the bearing legs and the auxiliary legs, and the integral left and right fine adjustment of the integral trolley can be realized through the crawler-type strip wheels and the small-sized jack system. The specific operation is as follows: the main girder is formed by welding 45# channel steel back to back, the hydraulic jacking system and the bearing hydraulic system jointly realize the up-and-down jacking operation of the trolley, the crawler-type strip wheels on the supporting base realize the left-and-right displacement operation of the whole trolley under the driving of the small-sized jack system, the auxiliary legs and the bearing legs alternately ascend and descend, and the whole trolley moves forwards under the driving of the transverse long-distance jack system.
The walking steps of the walking type walking system are as follows: the hydraulic jacking system is lifted to lift the auxiliary legs, the auxiliary legs are pushed to the set position under the pushing of the transverse long-distance jack system, the hydraulic jacking system is contracted to enable the auxiliary legs to fall to the ground, the bearing legs continue to upwards leave the ground under the control of the hydraulic jacking system, the whole trolley is pushed to the set position under the pushing of the transverse long-distance jack system, after the bearing legs move to the set position along with the trolley, the hydraulic jacking system extends to enable the bearing legs to continue to fall to the ground downwards, the auxiliary legs lift off the ground, the bearing hydraulic system locks the bearing legs, the bearing legs and the auxiliary legs alternately advance to the position of two lining of construction, the crawler-type strip wheels are driven by the small-size jack system, the trolley integrally achieves transverse moving fine adjustment, and finally the trolley is positioned. The walking type walking system only needs one operator, and the common rail trolley needs at least five constructors, so that the number of the constructors is greatly reduced, and the construction efficiency ratio is enhanced.
Preferably, the joints of the bearing legs and the supporting base are also fixedly connected with a plurality of height adjusting blocks. The height adjusting blocks can be increased and decreased above the supporting base to realize the support of trolleys with different lining types.
Preferably, the two auxiliary legs are connected through a distance rod. The distance between the two auxiliary legs is kept unchanged, and the distance rod can meet the requirement that the two auxiliary legs move simultaneously.
The utility model can be used for the second-lining construction of the highway and railway tunnels, the arched outer side die assembly and the cable trough side die form a whole after being supported in place, the tunnel construction joints are reduced, the waterproof measure of the tunnel is further enhanced, and the local water leakage site of the tunnel caused by excessive construction joints is avoided; the construction process can be reduced, the project efficiency ratio can be enhanced, the construction progress can be accelerated, and the construction quality can be enhanced by integrally pouring the side wall of the cable trough; the utility model solves the problem of safety quality caused by different working procedures in the tunnel secondary lining construction, reduces the construction investment and shortens the construction time.
Drawings
Fig. 1 is an overall front view of a walking type two-lining and cable trough side wall integrated trolley for a tunnel according to the utility model.
Fig. 2 is an overall side view of the walking type two-lining and cable trough side wall integrated trolley for the tunnel.
Fig. 3 is a plan view of the walking system of the present invention connected to a main frame of a two-lined bogie.
Fig. 4 is a side view of the walking system of the present invention connected to a main frame of a two-lined bogie.
FIG. 5 is a state diagram of the cable trough sideform of the present invention when the trolley is running.
Fig. 6 is a detailed structural diagram of a cable groove edge module.
FIG. 7 is a schematic view showing the completion of lining construction.
In the figure: 1. an arched outer side mold; 2. a cable trough side formwork; 3. a walking type running system; 4. a main rack of a second lining trolley; 5. a main girder; 6. a lateral long-reach jack system; 7. a hydraulic jacking system; 8. a load-bearing hydraulic system; 9. a load-bearing leg; 10. a support base; 11. a crawler-type strip wheel; 12. a small jack system; 13. an auxiliary leg; 14. a horizontal chute; 15. a roller; 16. a height adjusting block; 17. a lead screw; 18. a working platform; 19. climbing a ladder; 20. a hydraulic telescoping system.
Detailed Description
The present invention relates to a walking type two-lining and cable trough side wall integrated trolley for tunnel, which is described in detail with reference to fig. 1-7.
Example 1: taiyuan northwest two-ring ZH10 Standard Camel tunnel with total length 7172m, inclined shaft length 1466m, inclined shaft maximum longitudinal slope-12.3%, 14330m cable trough in the whole tunnel, three working faces for tunneling, and all walking type two-lining and cable trough side wall integrated trolley for tunnel.
The main tunnel of the camel mountain tunnel has the clear width of 10.25m and the clear height of 5m, a traffic lane is 3.75m multiplied by 2, the lateral width is 0.5m/0.75m, and an access road is 0.75m multiplied by 2, and a three-center circular section form is adopted; the integrated trolley is formed by combining 10#, 18#, 25# channel steel, 18#, 25# I-steel and various Q235 steel plates, the standard size of a tunnel cable trough is 60cm multiplied by 70cm, the cover plate size is 690cm multiplied by 495cm, and the cover plate trough size of the side wall of the cable trough on the inner side of the tunnel is 4.5cm multiplied by 5 cm. The arched outer side die 1 and the cable trough side die 2 are made of Q235 steel plates with the thickness of 12 mm. Considering the settlement convergence of the tunnel, according to the standard requirement, the construction radius of the tunnel is 5cm larger than the design radius, so that the radius of the integrated trolley is 5cm larger.
A walking type two-lining and cable trough side wall integrated trolley for a tunnel is shown in figures 1 and 2 and comprises an arched outer side die 1 made of an integral splicing template, a cable trough side die 2 matched with the shape of the cable trough side wall, a walking type walking system 3 and a two-lining trolley main rack 4, wherein the tunnel main hole cross slope is a 2% herringbone slope, the walking and mould removal of the trolley are considered, the cable trough side die 2 is designed to be 13.5cm wide on the left side, 54cm high on the plane, 35.5cm wide on the right side and 540cm high on the plane, and the bottom is plugged by combining a combined steel die with a wood die; considering the trolley demolding efficiency, the inner side demolding inclination of the tunnel is 4cm, the outer side demolding inclination is 2cm, the cover plate groove is changed from a right angle to a round angle, and the later-stage chiseling and plastering treatment is carried out; two bottom ends (namely the bottom ends of two sides of the arched outer side surface 1) of the arched outer side mold 1 are hinged with the cable trough side mold 2 through a rotary connecting shaft, specifically, an ear plate of the cable trough side mold 2 is connected with a lower end rib plate of the arched outer side mold 1 of the trolley through the rotary connecting shaft, and the rotary connecting shaft is made of a phi 32 steel bar; an integral template assembly formed by the arched outer side mold 1 assembly and the cable trough side mold 2 is connected to a main rack 4 of the secondary lining trolley through a hydraulic telescopic system 20, and a walking type walking system 3 is connected to the bottom of the main rack 4 of the secondary lining trolley; as shown in fig. 3 and 4, the walking system 3 comprises two main girders 5 at left and right sides, a transverse long-distance jack system 6 and a hydraulic jacking system 7, wherein the main girders 5 are formed by welding 45# channel steel back to back; the main girder 5 is fixedly connected with a main arm of a main rack 4 of the two-lining trolley, specifically, an anchor bolt is connected and welded by a seam; longitudinal through holes are formed in two end portions of the main girder 5, a bearing hydraulic system 8 is movably arranged in each longitudinal through hole in a penetrating mode, the lower end of each bearing hydraulic system 8 extends out of the longitudinal through hole and then is connected with a bearing leg 9, a supporting base 10 is arranged at the bottom of each bearing leg 9, a plurality of height adjusting blocks 16 are fixedly connected to the connecting portion of each bearing leg 9 and the corresponding supporting base 10, crawler-type strip wheels 11 moving in the left-right direction are arranged on the corresponding supporting bases 10, the crawler-type strip wheels 11 are driven by a small-sized jack system 12, the upper end of each bearing hydraulic system 8 is connected with one end of a hydraulic jacking system 7, and the other end of each hydraulic jacking system 7 is connected to the main frame 4 of the two-lining trolley; two auxiliary legs 13 with fixed intervals are connected to a beam body of each main girder 5 between the two bearing legs 9 in a sliding mode, the two auxiliary legs 13 are connected through distance rods, a horizontal sliding groove 14 is formed in the main girder 5, a roller 15 matched with the horizontal sliding groove 14 is arranged at the top of each auxiliary leg 13, one end of a transverse long-distance jack system 6 is connected to each auxiliary leg 13, and the other end of the transverse long-distance jack system 6 is connected to the main girder 5; the collection and the payment of the cable trough side mold 2 are carried out by adopting a small hydraulic supporting system matched with a hoist crane; and the cable trough side die 2 is also connected with a screw rod 17 which is used for reinforcing after the trolley is positioned. The bottom of the cable trough side formwork 2 is plugged by combining a small steel formwork with a wood formwork. The side walls of the two-lining trolley main rack 4 facing the inner side and the outer side of the tunnel are respectively provided with a working platform 18 used for installing and making an end mould, the working platform is connected with a ladder 19, an operator can climb up the working platform 18 from the ladder 19 to manually check a trolley template, install and make the end mould, check a pouring system and the like.
The construction steps of the walking type two-lining and cable trough side wall integrated trolley for the tunnel are as follows: carrying out trolley assembly and template inspection work outside the hole, adjusting the angle of the cable trough side mold 2, polishing all outer templates, and checking the walking type traveling system 3 and the integral hydraulic telescopic system 20 of the trolley; pouring a second lining section in the tunnel, laying a waterproof plate and geotextile, and fixing; pushing the arch-shaped outer side die 1 to a specified position of a second lining of a construction tunnel, positioning the trolley, and jacking the hydraulic telescopic system 20 to enable the arch-shaped outer side die 1 to be in place for pouring, wherein in the specific implementation process, after the trolley is positioned, a plurality of lead screws 17 for reinforcing the supporting function are arranged at the arch-shaped outer side die 1 and the bearing legs 9; when the trolley travels, the state of the cable groove side die 2 is as shown in fig. 5, and after the trolley is positioned, the cable groove side die 2 descends, specifically, the state is as shown in fig. 6, wherein the traveling process of the walking type traveling system 3 is as follows: lifting the hydraulic jacking system 7 to lift the auxiliary legs 13, pushing the auxiliary legs 13 to a set position (push length is 3.2 m) by the auxiliary legs 13 under the push of the transverse long-distance jack system 6, contracting the hydraulic jacking system 7 to enable the auxiliary legs 13 to land, enabling the bearing legs 9 to continue to leave the ground upwards under the control of the hydraulic jacking system 7, pushing the whole trolley to the set position (push length is 3.2 m) under the push of the transverse long-distance jack system 6, extending the hydraulic jacking system 7 after the bearing legs 9 move to the set position along with the trolley, enabling the bearing legs 9 to continue to fall to the ground downwards, enabling the auxiliary legs 13 to leave the ground, locking the bearing legs 9 by the bearing hydraulic system 8, enabling the bearing legs 9 and the auxiliary legs 13 to advance to a lining position in a staggered mode, driving the crawler-type strip wheels 11 by the small-size jack system 12 to enable the trolley to realize fine adjustment of transverse movement and final trolley positioning, the walking speed of the walking type walking system 3 is 3m/min, the walking length is 3.2m, and the walking positioning of the trolley can be realized in a normal condition of 5 min; the arched outer side die 1 is externally supported by a hydraulic telescopic system 20, and the cable trough side die 2 is adjusted in position and locked to plug the bottom of the cable trough side die 2; the measuring personnel recheck the trolley contour line and the cable trough side mold 2 and timely adjust the error; laying a buried water stop belt, and assembling a plug template (the plug template is plugged by a steel plug and geotextile); checking the fixing condition of the trolley and the blocking condition of the template, pouring concrete and strengthening vibration work according to the standard requirement; the formwork removal work is carried out after the concrete strength meets the standard requirement, the hydraulic telescopic system 20 is contracted to enable the main rack 4 of the two-lining trolley and the whole formwork assembly to descend, the cable trough side formwork 2 is retracted, the trolley moves forwards, and the formwork removal is completed; the external mold is contracted to the minimum position, and the external mold is manually polished and coated with a release agent; carrying out the next circulation of second lining operation; the concrete of the second lining and the inverted arch of the tunnel is cast by C30 concrete, the waterproof grade is P8, and the schematic diagram is shown in figure 7 after the lining construction is finished. The method can realize the simultaneous pouring of the tunnel secondary lining and the cable trough side wall, save the construction flow and time, accelerate the project progress and reduce the cost.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (9)
1. A walking type two-lining and cable trough side wall integrated trolley for a tunnel is characterized by comprising an arched outer side die (1) made of an integrated splicing template, a cable trough side die (2) matched with the shape of the cable trough side wall, a walking type walking system (3) and a two-lining trolley main rack (4), wherein two bottom ends of the arched outer side die (1) are hinged with the cable trough side die (2); an integral template assembly formed by the arched outer side template (1) assembly and the cable trough side template (2) is connected to the main trolley frame (4) of the two-lining trolley through a hydraulic telescopic system (20), and the walking type walking system (3) is connected to the bottom of the main trolley frame (4) of the two-lining trolley.
2. The walking type double-lining and cable trough side wall integrated trolley for the tunnel as claimed in claim 1, wherein the walking type walking system (3) comprises a left main girder (5), a right main girder (5), a transverse long-distance jack system (6) and a hydraulic jacking system (7); the main girder (5) is fixedly connected with a main rack (4) of the two-lining trolley, longitudinal through holes are formed in two end portions of the main girder (5), a bearing hydraulic system (8) is movably arranged in each longitudinal through hole in a penetrating mode, the lower end of each bearing hydraulic system (8) extends out of the longitudinal through holes and then is connected with a bearing leg (9), the bottom of each bearing leg (9) is connected with a supporting base (10), crawler-type strip wheels (11) moving in the left-right direction are arranged on the supporting bases (10), the crawler-type strip wheels (11) are driven through a small-sized jack system (12), the upper end of each bearing hydraulic system (8) is connected with one end of a hydraulic jacking system (7), and the other end of each hydraulic jacking system (7) is connected to the main rack (4) of the two-lining trolley; the beam body of each main girder (5) between two bearing legs (9) is connected with two auxiliary legs (13) with fixed intervals in a sliding mode, a horizontal sliding groove (14) is formed in the main girder (5), rollers (15) matched with the horizontal sliding groove (14) are arranged at the tops of the auxiliary legs (13), one end of a transverse long-distance jack system (6) is connected to the auxiliary legs (13), and the other end of the transverse long-distance jack system (6) is connected to the main girder (5).
3. The walking type double-lining and cable trough side wall integrated trolley for the tunnel as claimed in claim 2, wherein a plurality of height adjusting blocks (16) are fixedly connected to the joints of the bearing legs (9) and the support base.
4. A walking type two-lining, cable trough side wall integrated trolley for tunnel according to claim 2, characterized in that two auxiliary legs (13) are connected with each other by a distance rod.
5. The walking type two-lining, cable trough side wall integrated trolley for the tunnel according to any one of claims 1, 2, 3 or 4, wherein two ends of the arched outer side mold (1) are hinged with the cable trough side mold (2) through a rotary connecting shaft.
6. The walking type two-lining and cable trough side wall integrated trolley for the tunnel according to claim 5, wherein the collection and the payment of the cable trough side formwork (2) are carried out by adopting a small hydraulic supporting system matched with a hoist crane.
7. The walking type two-lining and cable trough side wall integrated trolley for the tunnel according to claim 6, wherein a lead screw (17) for reinforcing after the trolley is positioned is further connected to the cable trough side mold (2).
8. The walking type two-lining and cable trough side wall integrated trolley for the tunnel according to claim 7, wherein the bottom of the cable trough side formwork (2) is blocked by a small steel mould combined with a wood formwork.
9. The walking type two-lining and cable trough side wall integrated trolley for the tunnel according to claim 8, wherein the side walls of the two-lining trolley main frame (4) facing the inner side and the outer side of the tunnel are respectively provided with a working platform (18) for constructing an end mould, and the working platform is connected with a ladder (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122067928.XU CN216130939U (en) | 2021-08-31 | 2021-08-31 | Two linings of walking, cable duct side wall integration platform trucks for tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122067928.XU CN216130939U (en) | 2021-08-31 | 2021-08-31 | Two linings of walking, cable duct side wall integration platform trucks for tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216130939U true CN216130939U (en) | 2022-03-25 |
Family
ID=80772233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122067928.XU Active CN216130939U (en) | 2021-08-31 | 2021-08-31 | Two linings of walking, cable duct side wall integration platform trucks for tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216130939U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117489372A (en) * | 2024-01-03 | 2024-02-02 | 中铁上海工程局集团第七工程有限公司 | Tunnel construction supporting structure and construction method |
-
2021
- 2021-08-31 CN CN202122067928.XU patent/CN216130939U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117489372A (en) * | 2024-01-03 | 2024-02-02 | 中铁上海工程局集团第七工程有限公司 | Tunnel construction supporting structure and construction method |
| CN117489372B (en) * | 2024-01-03 | 2024-03-19 | 中铁上海工程局集团第七工程有限公司 | Tunnel construction supporting structure and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109505630B (en) | Full-hydraulic crawler-type self-propelled trestle and construction method | |
| CN109681238B (en) | Two linings of tunnel side wall are pour and prefabricated section of jurisdiction of vault is forwardded and is used template platform truck | |
| CN102146796B (en) | Construction technology for inverted arch of two-track tunnel of high-speed railway | |
| CN109736840B (en) | New tunnel secondary lining construction method | |
| CN110513125B (en) | Inner and outer mould trolley lining system for open cut underdrain | |
| CN112502721B (en) | Arc-shaped bifurcation stepping construction method for positioning double TBMs based on double-line separate repair | |
| CN216130939U (en) | Two linings of walking, cable duct side wall integration platform trucks for tunnel | |
| CN204851287U (en) | Big section moving as a whole formula formwork support | |
| CN209941704U (en) | Side slope or retaining wall construction trolley | |
| CN110004953B (en) | Slope or retaining wall construction trolley | |
| CN117027824A (en) | Deep and long frozen inclined shaft digging and building parallel operation construction method | |
| CN216305944U (en) | Template trolley system suitable for construction of small-section double-bin underground excavation tunnel lining | |
| CN106988762B (en) | Full-section two-lining inverted arch shield equipment | |
| CN210637087U (en) | Inner and outer mould trolley lining system for open-cut underground canal | |
| CN211819422U (en) | Lifting walking template trolley suitable for construction of curve tunnel | |
| CN210370698U (en) | Mould shifting trolley for shed tunnel lining arch construction | |
| CN209619827U (en) | Full-hydraulic crawler-type self trestle | |
| CN210884988U (en) | Transverse moving mechanism of gantry crane | |
| CN114320366A (en) | Semi-automatic lining trolley for tunnel and method for pouring lining in tunnel bin by bin | |
| CN210105880U (en) | Alternate hydraulic lifting template ditch cable trough trolley device | |
| CN217761023U (en) | Novel adjustable self-propelled tunnel of three-dimensional widen section two lining platform trucks | |
| CN211395897U (en) | Underdrain external mold lining trolley | |
| CN114233331B (en) | Inverted arch synchronous lining trolley for TBM construction and inverted arch synchronous lining construction method | |
| CN205260050U (en) | Lining cutting liquid die plate platform truck in loess tunnel | |
| CN220336916U (en) | Tunnel excavation supporting operation trolley capable of automatically walking and translating arch centering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |