CN216767405U - Preliminary bracing trolley with formwork - Google Patents
Preliminary bracing trolley with formwork Download PDFInfo
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- CN216767405U CN216767405U CN202220204673.9U CN202220204673U CN216767405U CN 216767405 U CN216767405 U CN 216767405U CN 202220204673 U CN202220204673 U CN 202220204673U CN 216767405 U CN216767405 U CN 216767405U
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- trolley
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- portal frame
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Abstract
The utility model discloses a primary support trolley with a mould, which belongs to the technical field of tunnel construction and comprises a support steel arch frame, wherein a trapezoidal block is arranged at the bottom of the support steel arch frame, a steel template is arranged at the bottom of the support steel arch frame, and a sprue gate top window is arranged at the tops of the support steel arch frame and the steel template; according to the utility model, the trolley is a large-span arc-shaped portal frame, the arc-shaped portal frame can freely stride over the original excavation trolley without influencing the use function of the original excavation trolley, the trolley is provided with a hydraulic system and an operating system, hydraulic pressure provides power for connecting with an oil cylinder, the trolley travelling mode is that a suspension type steel rail motor drives to travel, the motor piles up the trolley forwards to travel to an excavation working face, the working face is uneven, a plurality of movable steel templates are used for clinging to a face, or a sheet head blocking die and a columnar head acting die are used for effectively blocking and preventing slurry leakage, the trolley has high automation degree, high construction efficiency, reduced labor force, construction material saving and waste avoidance.
Description
Technical Field
The utility model belongs to the technical field of tunnel construction, and particularly relates to a primary supporting trolley with a formwork.
Background
In the prior tunnel primary support construction, a dry spraying method and a wet spraying method are adopted for construction, the construction process is low in efficiency, expensive dry and wet spraying machines are required to be purchased in the early stage, the cost investment is high, waste caused by concrete rebound generated by spraying method construction cannot be solved at the present stage, the concrete dust in the construction environment is large, the health of constructors is influenced, the construction time is long, and the construction progress is influenced. The density, strength and planeness of the sprayed concrete can not be ensured.
The technical scheme is that in order to solve the problems, if (publication No. CN109538250A) and (publication No. CN108194106A) are subjected to spraying operation in a sliding mode, and sliding rail tracks are additionally arranged on an original excavation trolley, substantial problems cannot be solved, for example, dust is generated in the spraying operation, a guide rail additionally arranged on the original excavation trolley can also influence the transportation and installation of a supporting steel arch frame and influence the air drill to arrange a small advanced guide pipe and installation, and when explosive blasting is used, flying stones can hit the equipment more frequently due to the fact that a hub occupying the area of a tunnel is too large, so that the equipment is damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: in order to solve the above problems, a formwork-equipped preliminary bracing carriage has been proposed.
In order to achieve the purpose, the utility model adopts the following technical scheme: area mould preliminary bracing platform truck, including strutting the steel bow member, the bottom of strutting the steel bow member is provided with the trapezoidal piece, the bottom of strutting the steel bow member is provided with the steel form, the top of strutting the steel bow member and steel form is provided with sprue gate top window, the bottom fixed mounting of steel form has main arc portal frame, the below of main arc portal frame is provided with walking track and platform truck, the inboard fixed mounting in bottom of steel form has the support cylinder, the one end and the holding surface in close contact with of support cylinder extrude.
As a further description of the above technical solution:
and a guiding laser is arranged at the center of the bottom of the main arc-shaped portal frame.
As a further description of the above technical solution:
and a second hydraulic cylinder is fixedly mounted on the side wall of the main arc-shaped portal frame, and the output end of the second hydraulic cylinder is fixedly connected with the side wall of the steel template.
As a further description of the above technical solution:
and a pouring opening middle window and a pouring opening lower window are arranged on the side surfaces of the supporting steel arch frame and the steel formwork, and the pouring opening middle window and the pouring opening lower window are respectively positioned at different heights.
As a further description of the above technical solution:
the inside of main arc portal frame is provided with first hydraulic cylinder, the inboard of platform truck is provided with small-size pump truck.
As a further description of the above technical solution:
the bottom of main arc portal frame is provided with the walking wheel, walking wheel and walking track sliding connection.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
according to the utility model, the trolley is a large-span arc-shaped portal frame, the arc-shaped portal frame can freely stride over the original excavation trolley without influencing the use function of the original excavation trolley, the trolley is provided with a hydraulic system and an operating system, hydraulic pressure provides power for connecting with an oil cylinder, the trolley travelling mode is that a suspension type steel rail motor drives to travel, the motor piles up the trolley forwards to travel to an excavation working face, the working face is uneven, a plurality of movable steel templates are used for clinging to a face, or a sheet head blocking die and a columnar head acting die are used for effectively blocking and preventing slurry leakage, the trolley has high automation degree, high construction efficiency, reduced labor force, construction material saving and waste avoidance.
Drawings
Fig. 1 is a schematic structural view of a preliminary bracing trolley with a formwork.
Illustration of the drawings:
1. a traveling rail; 2. a traveling wheel; 3. a main arc gantry; 4. supporting a steel arch frame; 5. a sprue gate top window; 6. guiding laser; 7. a first hydraulic cylinder; 8. a trapezoidal block; 9. pouring the window-in-opening; 10. a steel template; 11. a second hydraulic cylinder; 12. pouring the lower window of the opening; 13. a trolley; 14. a small pump truck; 15. and a supporting cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the primary supporting trolley with the formwork comprises a supporting steel arch frame 4, a trapezoidal block 8 is arranged at the bottom of the supporting steel arch frame 4, a steel formwork 10 is arranged at the bottom of the supporting steel arch frame 4, a sprue gate top window 5 is arranged at the tops of the supporting steel arch frame 4 and the steel formwork 10, a main arc-shaped portal frame 3 is fixedly installed at the bottom of the steel formwork 10, a walking track 1 and a trolley 13 are arranged below the main arc-shaped portal frame 3, a supporting cylinder 15 is fixedly installed on the inner side of the bottom of the steel formwork 10, and one end of the supporting cylinder 15 is in close contact with and extrudes a supporting surface;
the specific implementation mode is as follows: when the trolley is moved, the lower supporting cylinder 15 is started to suspend a steel rail, the steel rail is pushed to move forwards or backwards by starting a traveling motor, the lower supporting cylinder contracts after the trolley is in place, the rail supports the weight of the whole trolley, the trolley is piled to move to an excavation working surface forwards or backwards by the starting motor, the motor drives the rail to move forwards or backwards, the first hydraulic cylinder 7 and the second hydraulic cylinder 11 contract, the rail descends to the ground, the motor drives the formwork supporting trolley to move in place, the movable steel formwork 10 close to the tunnel face of the excavation surface adjusts and clings to the working surface, when an advanced guide pipe blocks, a sheet-shaped or column-shaped stopper formwork can be used for plugging, and the formwork primary supporting trolley crosses the original excavation trolley and then retreats to an open section to wait for recycling;
the bottom central point department of putting of main arc portal frame 3 is provided with direction laser 6, fixed mounting has second hydraulic cylinder 11 on the lateral wall of main arc portal frame 3, the output of second hydraulic cylinder 11 and the lateral wall fixed connection of steel form 10, it is provided with in the pouring opening window 9 and pours a mouthful lower window 12 to strut the side of steel bow member 4 and steel form 10, it is located different heights respectively with pouring a mouthful lower window 9 to pour mouthful in the window 9, the inside of main arc portal frame 3 is provided with first hydraulic cylinder 7, the inboard of platform truck 13 is provided with small-size pump truck 14, the bottom of main arc portal frame 3 is provided with walking wheel 2, walking wheel 2 and walking track 1 sliding connection.
The working principle is as follows: when the trolley is moved, the lower supporting cylinder 15 is started to suspend a steel rail, the steel rail is pushed to move forwards or backwards by starting a traveling motor, the lower supporting cylinder contracts after the trolley is in place, the rail supports the weight of the whole trolley, the trolley is piled to the excavation working face forwards or backwards by the starting motor, the motor drives the rail to move forwards or backwards, the first hydraulic cylinder 7 and the second hydraulic cylinder 11 contract, the rail descends to the ground, the motor drives the formwork supporting trolley to move in place, the movable steel formwork 10 close to the excavation face (tunnel face) adjusts and clings to the working face, a sheet-shaped or column-shaped blocking head formwork can be used for blocking when an advancing guide pipe is blocked, and the formwork primary supporting trolley crosses the original excavation trolley and retreats to an open ground section to wait for recycling.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. Area mould preliminary bracing platform truck, including strutting steel bow member (4), its characterized in that: the bottom of strutting steel bow member (4) is provided with trapezoidal piece (8), the bottom of strutting steel bow member (4) is provided with steel form (10), the top of strutting steel bow member (4) and steel form (10) is provided with sprue gate top window (5), the bottom fixed mounting of steel form (10) has main arc portal frame (3), the below of main arc portal frame (3) is provided with walking track (1) and platform truck (13), the inboard fixed mounting in bottom of steel form (10) has support cylinder (15), the one end and the holding surface in close contact with of support cylinder (15) extrude.
2. The modular preliminary bracing trolley according to claim 1, characterized in that a guiding laser (6) is provided at the bottom center position of the main arc-shaped portal frame (3).
3. The strip formwork preliminary bracing trolley according to claim 1, wherein a second hydraulic cylinder (11) is fixedly installed on the side wall of the main arc-shaped portal frame (3), and the output end of the second hydraulic cylinder (11) is fixedly connected with the side wall of the steel formwork (10).
4. The primary support trolley with the formwork as claimed in claim 1, wherein the side faces of the support steel arch frame (4) and the steel formwork (10) are provided with a pouring opening middle window (9) and a pouring opening lower window (12), and the pouring opening middle window (9) and the pouring opening lower window (12) are respectively located at different heights.
5. The preliminary bracing trolley with the formwork as claimed in claim 1, wherein a first hydraulic oil cylinder (7) is arranged inside the main arc-shaped portal frame (3), and a small pump truck (14) is arranged on the inner side of the trolley (13).
6. The strip formwork preliminary bracing trolley according to claim 1, characterized in that a walking wheel (2) is arranged at the bottom end of the main arc-shaped portal frame (3), and the walking wheel (2) is connected with a walking track (1) in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220204673.9U CN216767405U (en) | 2022-01-25 | 2022-01-25 | Preliminary bracing trolley with formwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220204673.9U CN216767405U (en) | 2022-01-25 | 2022-01-25 | Preliminary bracing trolley with formwork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216767405U true CN216767405U (en) | 2022-06-17 |
Family
ID=81979271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220204673.9U Active CN216767405U (en) | 2022-01-25 | 2022-01-25 | Preliminary bracing trolley with formwork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216767405U (en) |
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2022
- 2022-01-25 CN CN202220204673.9U patent/CN216767405U/en active Active
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