CN111622781A - Construction equipment and method for suspension bridge tunnel anchor chamber vault secondary lining - Google Patents
Construction equipment and method for suspension bridge tunnel anchor chamber vault secondary lining Download PDFInfo
- Publication number
- CN111622781A CN111622781A CN202010529223.2A CN202010529223A CN111622781A CN 111622781 A CN111622781 A CN 111622781A CN 202010529223 A CN202010529223 A CN 202010529223A CN 111622781 A CN111622781 A CN 111622781A
- Authority
- CN
- China
- Prior art keywords
- trolley
- construction
- connecting plate
- suspension bridge
- anchor chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 111
- 239000000725 suspension Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 238000009415 formwork Methods 0.000 claims description 23
- 238000009434 installation Methods 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 2
- 238000004873 anchoring Methods 0.000 description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention belongs to the technical field of bridge construction equipment, and particularly provides a second-lining construction device and a second-lining construction method for a tunnel anchor chamber vault of a suspension bridge.
Description
Technical Field
The invention belongs to the technical field of bridge construction equipment, and particularly relates to a device and a method for constructing a second lining of an anchor chamber vault of a suspension bridge tunnel.
Background
In the construction of the suspension bridge tunnel type anchorage chamber secondary lining, the anchorage tunnel is of an inclined structure, and the slope of the tunnel is large, so that the construction of a large lining trolley for the tunnel secondary lining cannot be adopted. According to past experience, the tunnel type anchorage front anchor chamber secondary lining is generally cast with concrete by using a full hall scaffold support template system. Because the anchoring system is constructed when the front anchor chamber is used for lining construction, the distance between the main cable strands at the anchoring part is small, a full scaffold is erected and needs to penetrate through the main cable, and the main cable is extremely easy to damage in the construction process. In addition, the space volume of the front anchorage chamber of the gorgeous high-speed Jinan Jinsha bridge is large, and the quantity of the work for building scaffolds is large. Meanwhile, the arch top of the front anchor chamber is a circular arc-shaped arch top, the included angle between the arch top and the horizontal plane is 42 degrees, the full-space support and the circular arc-shaped arch top support are in an unstable state, the stress is prone to shifting during concrete pouring, the partial load of the full-space support is caused, the control difficulty in the construction process is high, and potential safety hazards exist in construction.
In order to solve the construction problem of the two-lining vault of the anchor room before the anchor of the tunnel, the two-lining concrete pouring construction equipment of the vault of the anchor room is designed, so that the construction is simple and convenient, and the construction safety is improved.
Disclosure of Invention
The invention provides a construction device and a construction method for a second lining of an anchor chamber vault of a suspension bridge tunnel, and aims to solve the problems that in the prior art, when a second lining arch vault of a front anchor chamber of a tunnel anchor is constructed, the quantity of scaffold erecting work is large, a full-space support and a circular arch vault support of the front anchor chamber are in an unstable state, the full-space support is easily deviated due to stress during concrete pouring, the full-space support is unbalanced, the control difficulty in the construction process is large, and potential safety hazards exist in construction.
Therefore, the invention provides a construction device for a suspension bridge tunnel anchor chamber vault secondary lining, which comprises a trolley, a rack, a movable track, a traction unit and a construction template, wherein the construction template is connected to the outer side of the trolley, the rack and the traction unit are sequentially connected, and the trolley and the rack are connected to the movable track.
The traction unit comprises a tractor, a traction steel wire rope and a steering wheel, and the rack, the steering wheel and the tractor are connected through the traction steel wire rope in sequence; the traction machine is a traction winch or a chain block.
The trolley also comprises a shifter, and the trolley is connected with the moving track through the shifter.
The hanging rack is characterized by further comprising hanging racks, wherein the quantity of the hanging racks is 2 groups, the 2 groups of hanging racks are horizontally and symmetrically distributed on the left side wall and the right side wall of the front anchor chamber, and the hanging racks are connected with the moving track along the axial direction of the front anchor chamber.
The lifting device further comprises a jack, the bottom of the jack is connected with the upper surface of the hanging rack, and the upper surface of the jack is in contact with the lower surface of the connecting trolley.
The hanging rack further comprises a hanging seat and an embedded part, the hanging rack is connected with the embedded part through the hanging seat, and the embedded part is connected in the side wall of the front anchor chamber.
The side of the rack facing the air is provided with a guardrail.
The trolley comprises a plurality of arch frames and transverse links, the plurality of arch frames are sequentially distributed at equal intervals from front to back, and the plurality of arch frames are connected through the transverse links; every pin bow member includes the stull, left bracing, right bracing, first connecting plate and second connecting plate, the bow member is connected through the second connecting plate to the left end of left bracing, the right-hand member of left bracing and the left end of stull are connected through first connecting plate, the right-hand member of stull and the left end of right bracing are connected through first connecting plate, the right-hand member of right bracing is connected through the second connecting plate, the stull level is located the upper portion inboard of bow member, left bracing and right bracing bilateral symmetry distribute inboard in the lower part of bow member.
First connecting plate and second connecting plate all with bow member welded connection, stull and first connecting plate, left bracing and first connecting plate and second connecting plate, right bracing and first connecting plate and second connecting plate all adopt bolted connection.
A construction method for a suspension bridge tunnel anchor chamber vault secondary lining comprises the following specific steps: the method comprises the steps that a tractor pulls a rack to a pre-construction vault crown position to install a waterproof board and a steel bar, the trolley is pulled to the installation position after the pulling, the trolley and a construction formwork are integrally jacked to the installation position of the construction formwork after the trolley is in place, the construction formwork is adjusted, the trolley and the construction formwork are fixed after the trolley is confirmed to be consistent with a design position, then concrete pouring is carried out, pouring of one segment of the vault crown is completed, the trolley is placed on a movable rail after the concrete pouring is cured, the tractor pulls the trolley to the next segment to fall for construction
The invention has the beneficial effects that: the invention provides a construction device for a suspension bridge tunnel anchor chamber vault secondary lining, which comprises a trolley, a rack, a movable track, a traction unit and a construction template, wherein the construction template is welded and connected to the outer side of the trolley, the construction template adopts a steel template, the trolley, the rack and the traction unit are sequentially connected, and the trolley and the rack move on the movable track through a shifter. The method comprises the steps of dragging a rack to a pre-construction vault position through a tractor, installing a waterproof board and a steel bar, dragging a trolley to the position after the dragging, jacking the trolley and a construction formwork integrally to the construction formwork installation position after the trolley is in place, adjusting the construction formwork, filling a cushion plate at the bottom of the trolley arch after the trolley is confirmed to be consistent with a design position, fixing the trolley and the construction formwork, and then pouring concrete to complete the pouring of one vault section. After the concrete curing period, removing a base plate at the bottom of the trolley, placing the trolley on a shifter, and drawing the trolley to the next section to fall for construction; the conventional steel pipe support formwork system is converted into a trolley formwork system (trolley and construction formwork) to carry out concrete pouring construction, the construction process is not in contact with a main cable, the damage to the main cable in the construction process is avoided, meanwhile, the investment of large quantities of steel pipe materials is not needed, the construction cost is saved to the maximum extent, the trolley is pulled to move in a moving track through a traction steel wire rope, the traction is convenient, the installation of reinforcing steel bars and waterproof boards in the next construction section can be started immediately after the concrete pouring of the current section is finished, the construction is safe and efficient, the control practicability is high, the problem of insufficient safety and reliability of the construction of full-space supports can be solved, and good construction economic benefits are created for projects; the invention has good application effect under the working conditions of firstly constructing an anchoring system and secondly constructing an anchor chamber and a second lining, and is worth further popularization and application in similar projects.
Drawings
The present invention will be described in further detail below with reference to the accompanying drawings.
FIG. 1 is a front view of the arch crown section construction of the second lining construction equipment for the anchor chamber vault of the suspension bridge tunnel
FIG. 2 is a side view of the construction of the arch top section of the second lining construction equipment for the anchor chamber of the suspension bridge tunnel;
FIG. 3 is a front view of the arch structure;
FIG. 4 is a top plan view of the trolley structure;
FIG. 5 is a side view of a gantry structure;
fig. 6 is a front view of the gantry structure.
Description of reference numerals: 1. a trolley; 2. a rack; 3. a moving track; 4. a shifter; 5. a tractor; 6. a traction wire rope; 7. a hanger; 8. a jack; 9. hanging a seat; 10. embedding parts; 11. constructing a template; 12. a steering wheel; 1-1, an arch frame; 1-2, transverse connection; 1-3, a cross brace; 1-4, left inclined strut; 1-5, right inclined strut; 1-6, a first connecting plate; 1-7, a second connecting plate; 2-1, a rack arch frame; 2-2, transversely connecting the rack; 2-3, a first cross-connection; 2-4, second cross-linking; 2-5, a first inclined strut; 2-6, a second inclined strut; 2-7, a third inclined strut; 2-8 and guardrails.
Detailed Description
Example 1:
as shown in fig. 1 and 2, the second-lining construction equipment for the anchor chamber vault of the suspension bridge tunnel comprises a trolley 1, a rack 2, a movable rail 3, a traction unit and a construction template 11, wherein the construction template 11 is connected to the outer side of the trolley 1, the rack 2 and the traction unit are sequentially connected, and the trolley 1 and the rack 2 are both connected to the movable rail 3.
The method comprises the following steps of drawing a rack 2 to a pre-construction vault position through a drawing unit, installing a waterproof board and a steel bar, drawing a trolley 1 to the position after completion, jacking the trolley 1 and a construction template 11 integrally to a construction template installation position after the trolley 1 is in place, adjusting the construction template 11, after confirming that the trolley 1 and the construction template are consistent with a design position, then padding the bottom of the trolley 1 with a backing plate, fixing the trolley 1 and the construction template 11, then carrying out concrete pouring, completing pouring of a section of the vault, removing the backing plate at the bottom of the trolley after concrete curing, placing the trolley 1 on a moving track, and drawing the trolley 1 to the next section to fall for construction; the construction template is a steel template; the conventional steel pipe support formwork system is converted into a trolley formwork system (trolley and construction formwork) to carry out concrete pouring construction, the construction process is not in contact with a main cable, the damage to the main cable in the construction process is avoided, meanwhile, the investment of large quantities of steel pipe materials is not needed, the construction cost is saved to the maximum extent, the trolley 1 is drawn by the drawing unit to move in the moving track, the drawing is convenient, the installation of reinforcing steel bars and waterproof boards in the next construction section can be started immediately after the concrete pouring of the current section is finished, the construction is safe and efficient, the control practicability is high, the problem of insufficient safety and reliability of the construction of full-hall supports can be solved, and good construction economic benefits are created for projects; the invention has good application effect under the working conditions of firstly constructing an anchoring system and secondly constructing an anchor chamber and a second lining, and is worth further popularization and application in similar projects.
Example 2:
on the basis of the embodiment 1, the traction unit comprises a traction machine 5 and a traction steel wire rope 6 steering wheel 12, and the rack 2, the steering wheel 12 and the traction machine 5 are sequentially connected through the traction steel wire rope 6; the tractor 5 is a traction winch or a chain block. The tractors 5 are arranged on a portal frame of the tunnel anchor hole or the tunnel anchor hole, the number of the tractors 5 can be adjusted according to actual conditions, for example, two tractors draw the tunnel anchor hole, four lines are respectively drawn, the chain block draws the tunnel anchor hole for standby, the structure is simple, and the adaptability is high; compared with a chain block, the traction speed of the traction winch is higher, and the construction is stable; the chain block is relatively simple in equipment, can be selected according to actual conditions, and is high in adaptability.
The trolley 1 further comprises a shifter 4, and the trolley 1 is connected with the moving track 3 through the shifter 4. The shifter 4 is convenient for the trolley 1 to slide on the moving track, reduces friction, saves time and labor and improves working efficiency.
As shown in figure 5, guardrails 2-8 are arranged on the side, facing the air, of the rack 2. The platform frame 2 is integrally welded by profile steel, guardrails 2-8 are arranged on the side facing the air, the structure is simple and stable, the cost is reduced, and the safety is high. As shown in figures 5 and 6, the rack comprises a plurality of rack arches 2-1 and a rack transverse connection 2-2, the plurality of rack arches 2-1 are sequentially connected through the rack transverse connection 2-2 from front to back, each rack arch 2-1 comprises a first transverse connection 2-3, a second transverse connection 2-4, a first inclined support 2-5, a second inclined support 2-6 and a third inclined support 2-7, the first transverse connection 2-3 is horizontally connected to the upper part of the rack arch 2-1, the left side and the right side of the middle part of the rack arch 2-1 are horizontally and symmetrically connected with the second transverse connection 2-4, the left end of the first transverse connection 2-3 is connected with the right end of the second transverse connection 2-4 on the left side of the middle part of the rack arch 2-1, the right end of the first transverse connection 2-3 is connected with the left end of the second transverse connection 2-4 on the right side of the middle part of the rack arch 2-1 through a support, the left end of the table arch 2-1 and the right end of a second transverse connection 2-4 on the left side of the middle of the table arch 2-1, the right end of the table arch 2-1 and the left end of a second transverse connection 2-4 on the right side of the middle of the table arch 2-1 are connected through a first inclined strut 2-5, the left portion of the first transverse connection 2-3 and the right end of the second transverse connection 2-4 on the left side of the middle of the table arch 2-1, the right portion of the first transverse connection 2-3 and the left end of the second transverse connection 2-4 on the right side of the middle of the table arch 2-1 are connected through a second inclined strut 2-6, and the top end of the table arch 2-1 is connected with the left portion and the right portion of the first transverse connection 2-3 through a third inclined strut 2-7 respectively. The first transverse connection 2-3, the second transverse connection 2-4, the first inclined strut 2-5, the second inclined strut 2-6 and the third inclined strut 2-7 reinforce the gantry arch 2-1, and the structure is simple and stable.
Example 3:
on the basis of embodiment 2, still include stores pylon 7, 2 groups of stores pylon 7 and 2 groups of stores pylon 7 horizontal symmetry left and right sides distribute in the left side wall and the right side wall of front anchor room, and the track 3 that moves is connected along front anchor room axis direction on the stores pylon 7. The quantity of the hanging racks is determined according to the calculation result of the construction stress of the trolley, the number of the hanging racks is 6 in 2 groups below the engineering trolley, 3 hanging racks are respectively arranged on each side of the hanging racks, and the hanging racks are symmetrically distributed left and right; the movable rail 3 is a sliding rail which is made of channel steel and arranged on the hangers 7 of the left wall and the right wall of the front anchor chamber, and the upper surface of the hanger 7 of the left wall and the upper surface of the hanger 7 of the right wall are required to be on the same plane, so that the movable rail and the hangers are completely tightly attached to facilitate movement of the trolley.
The lifting device further comprises a jack 8, the bottom of the jack 8 is connected with the upper surface of the hanging rack 7, and the upper surface of the jack 8 is in contact with the lower surface of the connecting trolley 1. The jack 8 has simple structure, light weight, convenient carrying and convenient movement, can well jack up and put down the trolley and the construction template, and has simple and stable operation.
The hanging rack 7 further comprises a hanging seat 9 and an embedded part 10, the hanging rack 7 is connected with the embedded part 10 through the hanging seat 9, and the embedded part 10 is embedded in the side wall of the front anchor chamber. The built-in fitting 10 is pre-buried when the anchor room side wall construction in the front, connects and adopts and climb awl and embedded bar, and the installation of being convenient for is demolishd, and used stores pylon 7 adopts current stores pylon transformation system, also can process by oneself according to actual conditions.
Example 4:
as shown in fig. 3 and 4, in addition to embodiment 3, the trolley 1 comprises a plurality of arches 1-1 and transverse links 1-2, the plurality of arches 1-1 are distributed at equal intervals in sequence from front to back, and the plurality of arches 1-1 are connected through the transverse links 1-2; each arch 1-1 comprises a cross brace 1-3, a left cross brace 1-4, a right cross brace 1-5, a first connecting plate 1-6 and a second connecting plate 1-7, the left end of the left cross brace 1-4 is connected with the arch 1-1 through the second connecting plate 1-7, the right end of the left cross brace 1-4 is connected with the left end of the cross brace 1-3 through the first connecting plate 1-6, the right end of the cross brace 1-3 is connected with the left end of the right cross brace 1-5 through the first connecting plate 1-6, the right end of the right cross brace 1-5 is connected through the second connecting plate 1-7, the cross brace 1-3 is horizontally positioned at the inner side of the upper part of the arch 1-1, and the left cross brace 1-4 and the right cross brace 1-5 are symmetrically distributed at the inner side of the lower part of the arch 1-1. The reinforced arch frame 1-1 is provided with the transverse brace 1-3, the left inclined brace 1-4 and the right inclined brace 1-5, and the structure is simple and stable.
The first connecting plates 1-6 and the second connecting plates 1-7 are welded with the arch frame 1-1, and the cross braces 1-3 are connected with the first connecting plates 1-6, the left inclined struts 1-4 are connected with the first connecting plates 1-6 and the second connecting plates 1-7, and the right inclined struts 1-5 are connected with the first connecting plates 1-6 and the second connecting plates 1-7 through bolts. The first connecting plate 1-6 and the second connecting plate 1-7 are welded with the arch center 1-1, and the welding connection ensures that the cross brace 1-3 and the left inclined brace 1-4 or the right inclined brace 1-5 are stably connected with the arch center 1-1, so that the overall stability of the structure is improved; the cross braces 1-3 and the first connecting plates 1-6, the left inclined braces 1-4 and the first connecting plates 1-6 and the second connecting plates 1-7, and the right inclined braces 1-5 and the first connecting plates 1-6 and the second connecting plates 1-7 are all connected through bolts, so that the mounting and dismounting are convenient, and the operation is simple and convenient.
Example 5:
a construction method for a second lining of an anchor chamber vault of a suspension bridge tunnel is characterized in that a tractor 5 pulls a rack 2 to a pre-construction vault position to install a waterproof board and a steel bar, the trolley 1 is pulled to the installation position after the construction is finished, the trolley 1 and a construction template 11 are integrally jacked to the construction template installation position after the trolley 1 is in place, the construction template 11 is adjusted, the trolley 1 and the construction template 11 are fixed after the trolley 1 is confirmed to be consistent with the design position, then concrete pouring is carried out, pouring of one section of the vault is finished, the trolley 1 is placed on a movable rail 3 after the poured concrete curing period, and the tractor 5 pulls the trolley 1 to the next section to be laid for construction;
the invention provides a construction device for a second liner of an anchor chamber vault of a suspension bridge tunnel, which is used for dragging a rack 2 to a pre-construction vault position through a tractor 5, installing waterproof boards and reinforcing steel bars, dragging a trolley 1 to the position after the completion, jacking the trolley 1 and a construction template 11 to the construction template installation position integrally by using a jack 8 after the trolley 1 is in place, adjusting the construction template 11 to be correct, then cushioning steel plates at the bottom of the arch 1-1 of the trolley 1, fixing the trolley 1 and the construction template 11, then pouring concrete, completing pouring of a section of the vault, removing the steel plates at the bottom of the trolley after the concrete curing period, lowering the trolley 1 to a shifter 4 by using the jack 8, and dragging to the next section to fall for construction; the conventional steel pipe support formwork system is converted into a trolley formwork system (trolley and construction formwork) to carry out concrete pouring construction, the construction process is not in contact with a main cable, the damage to the main cable in the construction process is avoided, meanwhile, the investment of large quantities of steel pipe materials is not needed, the construction cost is saved to the maximum extent, the trolley is pulled to move in a moving track through a traction steel wire rope, the traction is convenient, the installation of reinforcing steel bars and waterproof boards in the next construction section can be started immediately after the concrete pouring of the current section is finished, the construction is safe and efficient, the control practicability is high, the problem of insufficient safety and reliability of the construction of full-space supports can be solved, and good construction economic benefits are created for projects; the invention has good application effect under the working conditions of firstly constructing an anchoring system and secondly constructing an anchor chamber and a second lining, and is worth further popularization and application in similar projects.
In the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "left", "right", etc., it is based on the orientation or positional relationship shown in the drawings, and it is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the terms describing the positional relationship in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the invention, which is intended to be covered by the claims and any design similar or equivalent to the scope of the invention.
Claims (10)
1. The utility model provides a be used for two construction equipment of lining of suspension bridge tunnel anchor room vault which characterized in that: the construction formwork comprises a trolley (1), a trolley frame (2), a moving track (3), a traction unit and a construction formwork (11), wherein the construction formwork (11) is connected to the outer side of the trolley (1), the trolley frame (2) and the traction unit are sequentially connected, and the trolley (1) and the trolley frame (2) are both connected to the moving track (3).
2. The apparatus for constructing a second liner of an anchor chamber of a suspension bridge tunnel according to claim 1, wherein: the traction unit comprises a traction machine (5), a traction steel wire rope (6) and a steering wheel (12), and the rack (2), the steering wheel (12) and the traction machine (5) are connected through the traction steel wire rope (6) in sequence; the traction machine (5) is a traction winch or a chain block.
3. The apparatus for constructing a second liner of an anchor chamber of a suspension bridge tunnel according to claim 1, wherein: the trolley (1) further comprises a shifter (4), and the trolley (1) is connected with the moving track (3) through the shifter (4).
4. The apparatus for constructing a second liner of an anchor chamber of a suspension bridge tunnel according to claim 1, wherein: the hanging rack is characterized by further comprising hanging racks (7), wherein the quantity of the hanging racks (7) is 2 groups, the 2 groups of the hanging racks (7) are horizontally and symmetrically distributed on the left side wall and the right side wall of the front anchor chamber in a left-right mode, and the hanging racks (7) are connected with the moving track (3) along the axial direction of the front anchor chamber.
5. The apparatus for constructing a second liner of an anchor chamber of a suspension bridge tunnel according to claim 4, wherein: the lifting device is characterized by further comprising a jack (8), the bottom of the jack (8) is connected with the upper surface of the hanging rack (7), and the upper surface of the jack (8) is in contact with the lower surface of the trolley (1).
6. The apparatus for constructing a second liner of an anchor chamber of a suspension bridge tunnel according to claim 4, wherein: the hanging rack (7) further comprises a hanging seat (9) and an embedded part (10), the hanging rack (7) is connected with the embedded part (10) through the hanging seat (9), and the embedded part (10) is embedded in the side wall of the front anchor chamber.
7. The apparatus for constructing a second liner of an anchor chamber of a suspension bridge tunnel according to claim 1, wherein: and a guardrail (2-8) is arranged at the side of the rack (2) facing the air.
8. The apparatus for constructing a second liner of an anchor chamber of a suspension bridge tunnel according to claim 1, wherein: the trolley (1) comprises a plurality of arch frames (1-1) and transverse links (1-2), the plurality of arch frames (1-1) are sequentially distributed at equal intervals from front to back, and the plurality of arch frames (1-1) are connected through the transverse links (1-2); each arch center (1-1) comprises a cross brace (1-3), a left inclined brace (1-4), a right inclined brace (1-5), a first connecting plate (1-6) and a second connecting plate (1-7), the left end of the left inclined brace (1-4) is connected with the arch center (1-1) through the second connecting plate (1-7), the right end of the left inclined brace (1-4) is connected with the left end of the cross brace (1-3) through the first connecting plate (1-6), the right end of the cross brace (1-3) is connected with the left end of the right inclined brace (1-5) through the first connecting plate (1-6), the right end of the right inclined brace (1-5) is connected through the second connecting plate (1-7), the cross brace (1-3) is horizontally arranged on the inner side of the upper portion of the arch center (1-1), and the left inclined brace (1-4) and the right inclined brace (1-5) are symmetrically distributed on the arch center (1-1) in a left-right mode 1) Inside the lower part of (a).
9. The apparatus for constructing a second liner of an anchor chamber of a suspension bridge tunnel according to claim 8, wherein: the first connecting plate (1-6) and the second connecting plate (1-7) are both connected with the arch center (1-1) in a welding mode, and the cross brace (1-3) is connected with the first connecting plate (1-6), the left inclined brace (1-4) is connected with the first connecting plate (1-6) and the second connecting plate (1-7), and the right inclined brace (1-5) is connected with the first connecting plate (1-6) and the second connecting plate (1-7) through bolts.
10. A construction method for a suspension bridge tunnel anchor chamber vault secondary lining is characterized by comprising the following steps: the method comprises the following specific steps: the method comprises the steps that a tractor (5) pulls a rack (2) to a pre-construction vault position to install a waterproof board and a steel bar, the trolley (1) is pulled to the installation position after the pulling, the trolley (1) is jacked to the installation position of a construction formwork integrally after the trolley (1) is in place, the construction formwork (11) is adjusted, the trolley (1) and the construction formwork (11) are fixed after the trolley (1) is confirmed to be consistent with a design position, then concrete pouring is carried out, vault one-section pouring is completed, the trolley (1) is placed to a movable rail (3) after the poured concrete curing period, and the tractor (5) pulls the trolley (1) to the next section to be poured for construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010529223.2A CN111622781A (en) | 2020-06-11 | 2020-06-11 | Construction equipment and method for suspension bridge tunnel anchor chamber vault secondary lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010529223.2A CN111622781A (en) | 2020-06-11 | 2020-06-11 | Construction equipment and method for suspension bridge tunnel anchor chamber vault secondary lining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111622781A true CN111622781A (en) | 2020-09-04 |
Family
ID=72258405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010529223.2A Pending CN111622781A (en) | 2020-06-11 | 2020-06-11 | Construction equipment and method for suspension bridge tunnel anchor chamber vault secondary lining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111622781A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236316A (en) * | 2021-05-11 | 2021-08-10 | 中交二公局第二工程有限公司 | Method for mounting prestressed finished cable of tunnel anchor |
| CN113668392A (en) * | 2021-08-11 | 2021-11-19 | 中建桥梁有限公司 | Construction method for large-inclination-angle tunnel type anchorage secondary lining support |
| CN113914897A (en) * | 2021-09-27 | 2022-01-11 | 中铁十四局集团建筑工程有限公司 | Movable vault secondary lining template rack and connection cavern rack moving structure |
| CN114320367A (en) * | 2021-12-31 | 2022-04-12 | 安徽水利开发有限公司 | City gate hole type small end face tunnel and construction method |
| GB2629668A (en) * | 2024-01-25 | 2024-11-06 | Grupo Empresarial Tecozam Sl | Formwork carriage for the construction of tunnel vaults |
-
2020
- 2020-06-11 CN CN202010529223.2A patent/CN111622781A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236316A (en) * | 2021-05-11 | 2021-08-10 | 中交二公局第二工程有限公司 | Method for mounting prestressed finished cable of tunnel anchor |
| CN113236316B (en) * | 2021-05-11 | 2024-07-12 | 中交二公局第二工程有限公司 | Tunnel anchor prestress finished rope installation method |
| CN113668392A (en) * | 2021-08-11 | 2021-11-19 | 中建桥梁有限公司 | Construction method for large-inclination-angle tunnel type anchorage secondary lining support |
| CN113668392B (en) * | 2021-08-11 | 2023-02-21 | 中建桥梁有限公司 | Construction method for large-inclination-angle tunnel type anchorage secondary lining support |
| CN113914897A (en) * | 2021-09-27 | 2022-01-11 | 中铁十四局集团建筑工程有限公司 | Movable vault secondary lining template rack and connection cavern rack moving structure |
| CN114320367A (en) * | 2021-12-31 | 2022-04-12 | 安徽水利开发有限公司 | City gate hole type small end face tunnel and construction method |
| CN114320367B (en) * | 2021-12-31 | 2023-08-04 | 安徽水利开发有限公司 | City gate opening type small-end-face tunnel and construction method |
| GB2629668A (en) * | 2024-01-25 | 2024-11-06 | Grupo Empresarial Tecozam Sl | Formwork carriage for the construction of tunnel vaults |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111622781A (en) | Construction equipment and method for suspension bridge tunnel anchor chamber vault secondary lining | |
| CN102071798B (en) | Hydraulic climbing system for wall-attached support frame | |
| CN208815424U (en) | A kind of bridge descending hanging basket | |
| CN110700119B (en) | Design construction method of walking system on assembled bailey beam hanging basket | |
| CN108979131B (en) | Integral lifting platform device for high-rise building construction steel formwork and operation frame | |
| CN214220561U (en) | Building slope facade diversion rail formula hanging flower basket construction platform | |
| CN109505309B (en) | Pipe gallery segment displacement system and pipe gallery installation method using same | |
| CN111395395A (en) | Installation process of subway deep foundation pit cover excavation lower supporting system | |
| CN211472207U (en) | Suspension beam system for hoisting prefabricated section box girder | |
| CN114104990B (en) | Construction process of cable crane steel pipe assembly type cable buckle integrated tower | |
| CN109469083B (en) | Foundation beam reinforcement cage assembling system and construction method thereof | |
| CN212479255U (en) | Construction equipment for two linings of anchor chamber vault of suspension bridge tunnel | |
| CN106150525A (en) | A kind of rock anchorage beam construction trolley and construction method thereof | |
| CN111005324B (en) | Support-free suspension and locking construction method for assembled type segmental box girder | |
| CN212052371U (en) | Hanging basket device for variable width concrete box girder suspension casting construction | |
| CN112160773A (en) | Tunnel lining reinforcing steel bar trolley and lining reinforcing steel bar binding construction method | |
| CN206267031U (en) | A kind of solid pier climbing support of bridge construction | |
| CN211420881U (en) | Movable formwork for concrete construction of overhanging wing plate of steel-concrete composite beam | |
| CN106522541B (en) | A kind of template suspension centre spandrel girder of steel platform and the hanging method of template system | |
| CN217761022U (en) | Comprehensive operation trolley for construction of air cushion type surge chamber of hydropower station | |
| CN114251516B (en) | Comprehensive support and hanger system and construction method thereof | |
| CN105887884A (en) | Single-side type rock anchor beam concrete pouring trolley | |
| CN109595011B (en) | Two-lining trolley assembly scheme for large-section subway station tunnel | |
| CN210087319U (en) | Intelligent hydraulic lifting sliding module for hanging large-section special-shaped shaft steel strand | |
| CN106245531A (en) | Steel structural bridge installation method is hung under bilateral derrick type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |