CN215057435U - Inverted arch slip form equipment for tunnel - Google Patents
Inverted arch slip form equipment for tunnel Download PDFInfo
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- CN215057435U CN215057435U CN202120920619.XU CN202120920619U CN215057435U CN 215057435 U CN215057435 U CN 215057435U CN 202120920619 U CN202120920619 U CN 202120920619U CN 215057435 U CN215057435 U CN 215057435U
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- slipform
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Abstract
The utility model provides an invert slipform equipment for tunnel, including the landing stage, still include slipform frame, slipform, the slipform erect arrange in the landing stage bottom and with the connection can be dismantled to the landing stage, the bottom installation arc slide rail of slipform frame, two slipforms pass through actuating mechanism slidable mounting on the arc slide rail, slipform frame both sides set up fixed die carrier, fixed die carrier supports in the tunnel lateral part. The utility model provides an invert slipform equipment for tunnel carries out the stage formula to the tunnel invert through the slipform that sets up the symmetry walking on the slipform frame and pours, and its simple structure is reasonable, simple to operate, and construction speed is fast, can not appear the unable effective exhaust problem of bubble, and the construction quality is high.
Description
Technical Field
The utility model belongs to the technical field of the invert landing stage, concretely relates to invert slipform equipment for tunnel.
Background
When tunnel inverted arch construction is carried out, an arc-shaped template is usually installed at the bottom of a trestle, concrete is poured in a space between the template and the bottom of the tunnel, the construction method has the advantages that the concrete is poured through a working window, construction is fast, only the template is controlled to float upwards, and the defects that air bubbles cannot be effectively removed, a honeycomb pitted surface is easily formed, and the construction requirement is difficult to achieve are overcome.
SUMMERY OF THE UTILITY MODEL
Based on the above problem, an object of the utility model is to provide an invert slipform equipment for tunnel.
In order to realize the above purpose, the utility model discloses a technical scheme be: the utility model provides an invert slipform equipment for tunnel, includes the landing stage, still includes slipform frame, slipform board, the slipform frame erect arrange in the landing stage bottom and with the landing stage can dismantle the connection, the bottom installation arc slide rail of slipform frame, two slipform boards pass through actuating mechanism slidable mounting on the arc slide rail, slipform frame both sides set up fixed die carrier, fixed die carrier supports in the tunnel lateral part.
The inverted arch slip form device for the tunnel provided by the utility model drives the slip form frame to walk when the slip form frame is connected with the trestle, when inverted arch construction is carried out, the sliding formwork and the trestle are disconnected, two ends of the sliding formwork are supported above the tunnel through the fixed formwork, at the moment, the two sliding formworks are positioned at the lowest part of the track, concrete is poured into the space between the sliding formworks and the bottom of the tunnel, demoulding is carried out after the concrete is shaped, the driving mechanism drives the two sliding formworks to walk towards two ends of the sliding formwork along the arc-shaped sliding rail symmetrically, because the track is arc-shaped, the height of the slip form plate rises, then concrete is poured between the slip form plate and the bottom of the tunnel again until demoulding is carried out again, the operation is repeated until the inverted arch construction of the tunnel is completed, after the inverted arch construction of one section of tunnel is finished, the sliding formwork frame is connected with the trestle, and the trestle drives the sliding formwork frame to move to the next section of tunnel to be constructed.
Preferably, the driving mechanism adopts a speed reducing motor and a chain, the speed reducing motor is installed at the upper end of the arc-shaped track, a gear is arranged at the output end of the speed reducing motor, an upper supporting wheel is arranged at the top end of the side part of the arc-shaped slide rail, a lower supporting wheel is arranged at the bottom end of the middle part of the arc-shaped slide rail, the top of the slip form plate is installed on the arc-shaped slide rail through an inverted wheel, one end of the chain is connected with the slip form plate, and the other end of the chain is connected with the other end of the slip form plate after sequentially passing through the upper wheel, the gear and the lower wheel; in the construction process, the speed reducing motor rotates, and the gear drives the chain to transmit annularly, so that the sliding formwork is driven to walk along the arc-shaped sliding rail.
Further preferably, a plurality of guide wheels are further arranged on the arc-shaped sliding rail and used for supporting the chain.
Preferably, the driving mechanism adopts a speed reducing motor and a rack, the rack is arranged at the upper end of the arc-shaped sliding rail, the output end of the speed reducing motor is in transmission connection with the rack through a gear, the top of the sliding template is installed on the arc-shaped sliding rail through an inverted hanging wheel, and the chassis of the speed reducing motor is connected with the sliding template; in the construction process, the gear motor rotates, and the gear drives the gear motor to travel along the rack, so that the sliding formwork is driven to travel along the arc-shaped track.
Specifically, the two driving mechanisms are symmetrically arranged on the sliding formwork and are respectively connected with the two sliding formworks, and the two driving mechanisms respectively control the two sliding formworks to symmetrically walk in the construction process.
The utility model has the advantages that:
the utility model provides an invert slipform equipment for tunnel carries out the stage formula to the tunnel invert through the slipform that sets up the symmetry walking on the slipform frame and pours, and its simple structure is reasonable, simple to operate, and construction speed is fast, can not appear the unable effective exhaust problem of bubble, and the construction quality is high.
Drawings
Fig. 1 is a schematic view of an inverted arch sliding form apparatus for a tunnel according to the present invention;
FIG. 2 is a schematic view of a chain drive;
FIG. 3 is a schematic view of a rack drive;
FIGS. 4 to 6 are schematic views of an inverted arch casting process;
the device comprises a trestle, a sliding formwork plate, an arc-shaped sliding rail, a fixed formwork, a speed reduction motor, a gear, a chain, a rack, an upper supporting wheel, a lower supporting wheel, a guide wheel and a support wheel, wherein the trestle is 1, the sliding formwork is 2, the sliding formwork is 3, the arc-shaped sliding rail is 4, the fixed formwork is 5, the speed reduction motor is 6, the gear is 7, the chain is 8, the rack is 9, the upper supporting wheel is 10, the lower supporting wheel is 11, and the guide wheel is 12.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Examples
As shown in fig. 1, the inverted arch sliding formwork apparatus for a tunnel according to the present embodiment includes a trestle 1, a sliding formwork frame 2, and sliding formworks 3, where the sliding formwork frame 2 is disposed at the bottom of the trestle 1 and detachably connected to the trestle 1, an arc-shaped slide rail 4 is mounted at the bottom of the sliding formwork frame 2, two sliding formworks 3 are slidably mounted on the arc-shaped slide rail 4 through a driving mechanism, fixed formwork frames 5 are disposed at two sides of the sliding formwork frame 2, and the fixed formwork 5 is supported at a side portion of the tunnel; as shown in fig. 2, the driving mechanism of this embodiment adopts a speed reducing motor 6 and a chain 8, the speed reducing motor 6 is installed at the upper end of an arc-shaped track, the output end of the speed reducing motor 6 is provided with a gear 7, the top end of the side portion of an arc-shaped slide rail 4 is provided with an upper supporting wheel 10, the bottom end of the middle portion of the arc-shaped slide rail 4 is provided with a lower supporting wheel 11, the top of a slip form 3 is installed on the arc-shaped slide rail 4 through an inverted hanging wheel, one end of the chain 8 is connected with the slip form 3, the other end of the chain is connected with the other end of the slip form 3 after sequentially passing through the upper wheel, the gear 7 and the lower wheel, and the arc-shaped slide rail 4 is further provided with a plurality of guide wheels 12 for supporting the chain 8; the two driving mechanisms are symmetrically arranged on the sliding formwork 2 and are respectively connected with the two sliding formworks 3.
When the slip form frame 2 is connected with the trestle 1, the trestle 1 drives the slip form frame 2 to travel, when inverted arch construction is carried out, the slip form frame 2 is disconnected from the trestle 1, two ends of the slip form frame 2 are supported above a tunnel through the fixed die set 5, at the moment, the two slip forms 3 are located at the lowest part of the track, concrete is poured into a space between the slip forms 3 and the bottom of the tunnel, demoulding is carried out after the concrete is shaped, the speed reducing motor 6 rotates, the gear 7 drives the chain 8 to perform circumferential transmission, so that the slip forms 3 are driven to travel along the arc-shaped sliding rails 4, the height of the slip forms 3 rises due to the arc-shaped track, then the concrete is poured between the slip forms 3 and the bottom of the tunnel again until demoulding is carried out again, as shown in figures 4 to 6, the operation is repeated, and the slip forms 3 do not rise along the arc-shaped sliding rails 4 until the inverted arch construction of the tunnel is completed; after the inverted arch construction of one section of tunnel is finished, the slip form frame 2 is connected with the trestle 1, and the trestle 1 drives the slip form frame 2 to move to the next section of tunnel to be constructed.
Example 2
In this embodiment, another driving manner is provided, as shown in fig. 3, the driving mechanism adopts a speed reduction motor 6 and a rack 9, the rack 9 is disposed at the upper end of the arc-shaped sliding rail 4, an output end of the speed reduction motor 6 is in transmission connection with the rack 9 through a gear 7, the top of the sliding template 3 is mounted on the arc-shaped sliding rail 4 through an inverted hanging wheel, and a chassis of the speed reduction motor 6 is connected with the sliding template 3; in the construction process, the speed reducing motor 6 rotates, and the gear 7 drives the speed reducing motor 6 to travel along the rack 9, so that the sliding formwork 3 is driven to travel along the arc-shaped track.
The above embodiments of the present invention are merely examples for illustrating the present invention and are not intended to limit the embodiments of the present invention. Variations and modifications in other variations will occur to those skilled in the art upon reading the foregoing description. Not all embodiments are exhaustive. All obvious changes or variations which are introduced by the technical solution of the present invention are still within the scope of the present invention.
Claims (6)
1. The utility model provides an invert slipform equipment for tunnel, includes the landing stage, its characterized in that still includes slipform frame, slipform board, the slipform erect arrange in the landing stage bottom and with the connection can be dismantled to the landing stage, the bottom installation arc slide rail of slipform frame, two slipform boards pass through actuating mechanism slidable mounting on the arc slide rail, slipform frame both sides set up fixed die carrier, fixed die carrier supports in the tunnel lateral part.
2. The inverted arch slip form device for the tunnel according to claim 1, wherein the driving mechanism adopts a speed reducing motor and a chain, the speed reducing motor is mounted at the upper end of the arc-shaped rail, a gear is arranged at the output end of the speed reducing motor, an upper supporting wheel is arranged at the top end of the side portion of the arc-shaped slide rail, a lower supporting wheel is arranged at the bottom end of the middle portion of the arc-shaped slide rail, the top portion of the slip form is mounted on the arc-shaped slide rail through an inverted hanging wheel, one end of the chain is connected with the slip form, and the other end of the chain is connected with the other end of the slip form after passing through the upper wheel, the gear and the lower wheel in sequence.
3. The inverted arch slipform apparatus for the tunnel according to claim 2, wherein a plurality of guide wheels are further provided on the arc-shaped slide rail for supporting a chain.
4. The inverted arch slip form device for the tunnel according to claim 1, wherein the driving mechanism adopts a speed reduction motor and a rack, the rack is arranged at the upper end of the arc-shaped sliding rail, the output end of the speed reduction motor is in transmission connection with the rack through a gear, the top of the slip form plate is installed on the arc-shaped sliding rail through an inverted wheel, and the chassis of the speed reduction motor is connected with the slip form plate.
5. Inverted arch slip-form apparatus for tunnels according to any one of claims 1 to 4,
6. the inverted arch slip form apparatus for a tunnel according to claim 1, wherein two driving mechanisms are symmetrically provided on the slip form frame and are connected to the two slip forms, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120920619.XU CN215057435U (en) | 2021-04-29 | 2021-04-29 | Inverted arch slip form equipment for tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120920619.XU CN215057435U (en) | 2021-04-29 | 2021-04-29 | Inverted arch slip form equipment for tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215057435U true CN215057435U (en) | 2021-12-07 |
Family
ID=79107798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120920619.XU Active CN215057435U (en) | 2021-04-29 | 2021-04-29 | Inverted arch slip form equipment for tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215057435U (en) |
-
2021
- 2021-04-29 CN CN202120920619.XU patent/CN215057435U/en active Active
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