CN218206713U - Liftable template trolley for cast-in-situ cover plate of tunnel central drainage ditch - Google Patents
Liftable template trolley for cast-in-situ cover plate of tunnel central drainage ditch Download PDFInfo
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- CN218206713U CN218206713U CN202222182380.8U CN202222182380U CN218206713U CN 218206713 U CN218206713 U CN 218206713U CN 202222182380 U CN202222182380 U CN 202222182380U CN 218206713 U CN218206713 U CN 218206713U
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Abstract
The utility model discloses a cast-in-place apron liftable formwork trolley in tunnel center escape canal, relate to tunnel construction technical field, this liftable formwork trolley, including the template frame, the template frame top surface is fixed with the steel form, be connected with a plurality of spiral lifting supports with the template frame, spiral lifting support supports the template frame and stands, spiral lifting support has drive end and flexible end, the spiral lifting support drive end that sets up adjacently is connected through the hydraulic transmission pole, be provided with three-phase asynchronous motor between the hydraulic transmission pole that sets up adjacently, three-phase asynchronous motor drives the spiral lifting support drive end through the hydraulic transmission pole and rotates, a plurality of spiral lifting support flexible ends stretch out and draw back; in narrow spaces such as tunnel center escape canal, support flexible end extension length through adjustment spiral lift, adjust the height of steel form, the spiral lift supports and possesses the self-stabilization ability, has solved hydraulic jack support method, cast-in-place technology's potential safety hazard problem, improves the efficiency of construction.
Description
Technical Field
The utility model belongs to the technical field of the tunnel construction, concretely relates to cast-in-place apron liftable template platform truck in tunnel center escape canal.
Background
The central drainage ditch of the highway tunnel is used for dredging rock mass and shallow groundwater around the tunnel, and plays an important role in stabilizing surrounding rocks of the tunnel. The construction process of the central drainage ditch cover plate of the tunnel is divided into two types of on-site cast-in-place and prefabricated installation, the prefabricated installation process is mostly adopted for manufacturing the central drainage ditch cover plate of the tunnel in actual construction, but the prefabricated cover plate has poor integrity and seams are easy to leak; the traditional cast-in-place cover plate is constructed by adopting a hydraulic jack support method, a large amount of time is consumed for building and dismantling the support in a narrow space, and the construction efficiency is low.
In view of the above, the inventor of the application invented a liftable formwork trolley for a cast-in-place cover plate of a central drainage ditch of a tunnel.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem, a cast-in-place apron liftable template platform truck in tunnel center escape canal is provided.
The technical scheme of the utility model is that: cast-in-place apron liftable template platform truck in tunnel center escape canal, including the template frame, template frame top surface is fixed with the steel form, with template frame is connected with a plurality of spiral lifts and falls to support, the spiral lift supports and supports the template frame and stand, the spiral lift supports and has drive end and flexible end, and the spiral lift of adjacent setting supports the drive end and passes through hydraulic transmission pole to be connected, is provided with three-phase asynchronous machine between the hydraulic transmission pole of adjacent setting, three-phase asynchronous machine supports the drive end through hydraulic transmission pole drive spiral lift and rotates, and a plurality of spiral lifts and falls to support flexible end and stretch out and draw back, makes the template frame rises or descends.
Furthermore, the spiral lifting supports are fixed at four corners of the bottom surface of the template frame.
Furthermore, the template frame is formed by welding four channel steels and is in a cuboid shape.
Further, the three-phase asynchronous motor is fixed at the central position of the bottom of the formwork frame.
Further, the template frame further comprises a steel cushion block fixed on the bottom surface of the template frame, and the spiral lifting support is fixed with the steel cushion block through a bolt.
Furthermore, a plurality of transverse supports which are transversely arranged are fixed in the template frame, and the length direction of the template frame is transverse.
Furthermore, a plurality of walking supports for supporting the template frame to stand are fixed on the bottom surface of the template frame, and rollers are fixedly arranged at the bottom ends of the walking supports.
Furthermore, the walking bracket is fixed at two ends of the transverse support.
Furthermore, a steel handle is fixed at one end of the template frame.
Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses cast-in-place apron liftable template platform truck in tunnel center escape canal, in narrow spaces such as tunnel center escape canal, support flexible end through adjustment spiral lift and stretch out length, adjust the height of steel form, the spiral lift supports and possesses the self-stability ability, has solved hydraulic jack support method, and cast-in-place technology's potential safety hazard problem has improved the efficiency of construction in tunnel center escape canal.
2. The utility model discloses cast-in-place cover plate liftable template trolley of tunnel center drainage ditch, it is convenient to move, the lift is automatic, the front and back spiral lift support elevation can be adjusted asynchronously, applicable in the construction of drainage ditch with altitude difference; the form removal is simple, only need adjust spiral lift support flexible end extend length can, it is simple to use swift.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of a liftable template trolley of a cast-in-place cover plate of a central drainage ditch of a tunnel in the utility model;
FIG. 2 is a schematic view of the connection structure of the middle spiral elevating support and the three-phase asynchronous motor of the present invention;
FIG. 3 is a schematic structural view of the spiral elevating support of the present invention;
the part name sequence numbers in the figure are:
1. a template frame; 101. transversely supporting; 102. a steel handle; 103. a steel cushion block; 2. a steel form; 4. a spiral lifting support; 5. a three-phase asynchronous motor; 6. a hydraulic transmission rod; 7. a walking bracket; 71. and (4) a roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, but cast-in-place apron liftable template platform truck in tunnel center escape canal, including template frame (1), template frame 1 comprises four channel-section steels welding frame, is the cuboid shape, and 1 top surfaces of template frame are fixed with steel form 2, and steel form 2 and 1 welded fastening of template frame are connected with a plurality of spiral lift supports 4 with template frame 1, and spiral lift supports 4 and supports template frame 1, and is concrete, and spiral lift supports 4 and fixes in 1 bottom surface four corners department of template frame, adopts bolted connection on template frame 1.
Referring to fig. 2, the spiral lifting supports 4 have a driving end and a telescopic end, the driving ends of the adjacent spiral lifting supports 4 are connected through hydraulic transmission rods 6, a three-phase asynchronous motor 5 is arranged between the adjacent hydraulic transmission rods 6, the three-phase asynchronous motor 5 drives the driving end of the spiral lifting support 4 to rotate through the hydraulic transmission rods 6, and the telescopic ends of the plurality of spiral lifting supports 4 are synchronously telescopic to enable the template frame 1 to ascend or descend.
Referring to fig. 1, in order to increase the connection firmness of the spiral elevating support 4 and the formwork frame 1, the formwork frame 1 further includes a steel pad 103 fixed on the bottom surface thereof, and the spiral elevating support 4 is fixed to the steel pad 103 by a bolt.
A plurality of transverse supports 101 transversely arranged are fixed in the template frame 1, the length direction of the template frame 1 is transverse, the transverse supports 101 can increase the structural strength of the template frame 1, a plurality of walking supports 7 for supporting the template frame 1 to stand are fixed on the bottom surface of the template frame 1 for conveniently moving the template frame 1, rollers 71 are fixedly arranged at the bottom ends of the walking supports 7, and particularly, the walking supports 7 are fixed at the two ends of the transverse supports 101, as shown in fig. 1. A steel handle 102 is fixed to one end of the formwork frame 1, so that the formwork frame 1 can be conveniently dragged when the formwork frame 1 is moved.
The utility model discloses a theory of operation: when the process of constructing the cast-in-place cover plate of the central drainage ditch of the tunnel is carried out, the template trolley is pushed to a preset position through the walking support 7, the plurality of spiral lifting supports 4 are adjusted to descend to the bottom plate position of the central drainage ditch to be used as supports, and the cover plate is poured. And after the cover plate pouring and maintenance are finished, lifting the plurality of spiral lifting supports 4, and pushing to the next segment for pouring the cover plate. The utility model has convenient movement and automatic lifting, and the front and back spiral lifting supports 4 can be asynchronously adjusted in height, thus being applicable to the construction of drainage ditches with height difference; the form removal is simple, only the spiral lifting support 4 needs to be adjusted, and the use is simple and rapid.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (9)
1. Cast-in-place apron liftable template platform truck in tunnel center escape canal, its characterized in that, including template frame (1), template frame (1) top surface is fixed with steel form (2), with template frame (1) is connected with a plurality of spiral lift and supports (4), spiral lift supports (4) and supports template frame (1) and stand, spiral lift supports (4) and has drive end and flexible end, and the spiral lift of adjacent setting supports (4) drive end and passes through hydraulic transmission pole (6) and connect, is provided with three-phase asynchronous motor (5) between adjacent hydraulic transmission pole (6) that sets up, three-phase asynchronous motor (5) support (4) drive end through hydraulic transmission pole (6) drive spiral lift and rotate, make a plurality of spiral lift support (4) flexible end flexible.
2. The cast-in-place cover plate liftable formwork trolley for the tunnel center drain ditch, according to claim 1, is characterized in that the spiral lifting supports (4) are fixed at four corners of the bottom surface of the formwork frame (1).
3. The liftable formwork trolley for the cast-in-place cover plate of the tunnel central drainage ditch according to claim 2, wherein the formwork frame (1) is formed by welding four steel channels and is in a cuboid shape.
4. The liftable formwork trolley for the cast-in-place cover plate of the tunnel center drain ditch according to claim 3, wherein the three-phase asynchronous motor (5) is fixed at the central position of the bottom of the formwork frame (1).
5. The liftable formwork trolley for the cast-in-place cover plate of the tunnel central drainage ditch according to claim 4, wherein the formwork frame (1) further comprises a steel cushion block (103) fixed on the bottom surface of the formwork frame, and the spiral lifting support (4) is fixed with the steel cushion block (103) through bolts.
6. The liftable formwork trolley for the cast-in-place cover plate of the tunnel central drainage ditch according to claim 5, wherein a plurality of transverse supports (101) arranged transversely are fixed in the formwork frame (1), and the length direction of the formwork frame (1) is transverse.
7. The liftable formwork trolley for the cast-in-place cover plate of the tunnel central drainage ditch according to claim 6, wherein a plurality of walking brackets (7) for supporting the formwork frame (1) to stand are fixed on the bottom surface of the formwork frame (1), and rollers (71) are fixedly arranged at the bottom ends of the walking brackets (7).
8. The liftable formwork trolley for the cast-in-place cover plate of the tunnel central drainage ditch according to claim 7, wherein the walking brackets (7) are fixed at two ends of the transverse support (101).
9. The liftable formwork trolley for the cast-in-place cover plate of the tunnel central drainage ditch according to claim 8, wherein a steel handle (102) is fixed at one end of the formwork frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222182380.8U CN218206713U (en) | 2022-08-18 | 2022-08-18 | Liftable template trolley for cast-in-situ cover plate of tunnel central drainage ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222182380.8U CN218206713U (en) | 2022-08-18 | 2022-08-18 | Liftable template trolley for cast-in-situ cover plate of tunnel central drainage ditch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218206713U true CN218206713U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222182380.8U Active CN218206713U (en) | 2022-08-18 | 2022-08-18 | Liftable template trolley for cast-in-situ cover plate of tunnel central drainage ditch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218206713U (en) |
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2022
- 2022-08-18 CN CN202222182380.8U patent/CN218206713U/en active Active
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