A walking type support lining moving device and construction method

Abstract

The application discloses a kind of step type support lining moving device and construction method, including frame, still including multiple telescopic mechanisms, multiple the telescopic mechanism interval setting is in the both sides of frame, the telescopic mechanism can be elongated or contract to make with frame contact or separate, the telescopic mechanism and frame separate can form space for the passage of cross bracing beam, and drive mechanism, the drive mechanism is connected with telescopic mechanism, and the drive mechanism is used to provide power for the telescopic mechanism elongation or contraction;This step type support lining moving device and method, front and back telescopic mechanism alternate lifting completes the span of cross bracing beam, makes the device continue to walk, reach next station smoothly, greatly save working time, improve work efficiency, solve the problem that tunnel lining trolley in existing construction process only carries out construction operation in unobstructed tunnel, cross bracing beam in foundation pit is not removed, and the trolley pouring is completed and is walked to cause obstruction, cannot reach next station.

Description

Technical Field

[0001] This invention relates to the field of tunnel construction technology, specifically to a step-type support lining moving device and construction method. Background Technology

[0002] Tunnel lining trolleys are specialized equipment used in the secondary lining process during tunnel construction. They are used for the concrete lining construction of the inner wall of the tunnel and mainly include simple lining trolleys, fully hydraulic automatic walking lining trolleys, and grid-type lining trolleys.

[0003] Currently, tunnel lining trolleys only operate within accessible tunnels during construction. However, due to varying geological conditions and diverse rock grades at construction sites, different types of initial support are required, leading to different construction methods. In some tunnels with low rock grades, support is needed while the lining trolley is in operation. The entire horizontal support beam spans the tunnel entrance, preventing the lining trolley from moving to the next work position after secondary lining construction is completed. Furthermore, the internal support in the foundation pit spans the entire cross-section. During construction, the sidewalls must be poured first, followed by the arch. The horizontal support beam in the foundation pit is not removed during the sidewall pouring process, which also obstructs the trolley's movement after pouring, preventing it from reaching the next work position. Summary of the Invention

[0004] The purpose of this invention is to provide a step-type support lining moving device and construction method, which solves the problem in the prior art that the lining trolley cannot reach the next work position after part of the tunnel construction is completed.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a stepping support lining mobile device, comprising a frame, and further comprising: Multiple telescopic mechanisms are spaced apart on both sides of the vehicle frame. These mechanisms can extend or retract to contact or disengage from the frame. When disengaged, the telescopic mechanisms create space for the cross support beams to pass through. A drive mechanism connected to a telescopic mechanism, the drive mechanism being used to provide power for the telescopic mechanism to extend or retract.

[0006] Preferably, the top of the vehicle frame is provided with a top frame, the top frame is provided with a top mold, and the top frame has multiple slots spaced apart on both sides.

[0007] Preferably, the telescopic mechanism includes: A vertical support column, which is erected on the vehicle frame, has a hollow structure. An inner sleeve is disposed inside the column, and the outer surface of the inner sleeve is slidably connected to the inner wall of the column.

[0008] Preferably, the drive mechanism includes a hydraulic cylinder, which is vertically mounted on the frame. The piston rod of the hydraulic cylinder is connected to the bottom end of the inner sleeve, and the hydraulic cylinder is located inside the column.

[0009] Preferably, an auxiliary support is detachably provided on the frame, and the auxiliary support is located next to the hydraulic cylinder.

[0010] Preferably, the top frame includes: Multiple arch supports, and The first beam is used to connect the multiple top arch supports.

[0011] Preferably, the bottom end of the frame is provided with wheels, which are slidably connected to a track on the ground.

[0012] Preferably, the frame is equipped with a drive motor, and the output end of the drive motor is fixedly connected to the wheel.

[0013] A step-type support lining construction method, employing the aforementioned step-type support lining moving device, includes the following steps: S1: The drive motor drives the wheels to move the device on the track to the cross support beam; S2: The hydraulic cylinder near the horizontal support beam retracts, causing the telescopic mechanism to retract and disengage from the slot; S3: When the space between the telescopic mechanism and the slot allows the cross support beam to pass through, the device spans the cross support beam. S4: The front and rear telescopic mechanisms alternately raise and lower to complete the crossing of the horizontal support beam, enabling the device to move continuously.

[0014] As can be seen from the above technical solution, the present invention has the following beneficial effects: This stepping-type support lining mobile device and construction method utilizes multiple telescopic mechanisms spaced at intervals on the chassis, capable of extending or retracting to contact or detach from the chassis. When these telescopic mechanisms detach from the chassis, they create space for the transverse support beam to pass through. A drive mechanism connected to the telescopic mechanisms provides power for their extension or retraction. The alternating lifting and lowering of the front and rear telescopic mechanisms allows the device to continuously move and smoothly reach the next work position, significantly saving working time and improving efficiency. This also solves the problem that existing tunnel lining trolleys can only operate within accessible tunnels. However, due to the different geological environments and various types of surrounding rock grades at the construction sites, the initial support types and construction methods differ. Some tunnels, due to the low grade of surrounding rock, require support during the lining trolley operation. The entire horizontal support beam spans the tunnel entrance, causing the secondary lining trolley to be unable to move to the next work position after the secondary lining trolley is completed. Additionally, the internal support in the foundation pit spans the entire cross section. During construction, the sidewalls must be poured first, followed by the arch. The horizontal support beam in the foundation pit is not removed during the sidewall pouring process, which also obstructs the movement of the trolley after the pouring is completed, preventing it from reaching the next work position. Attached Figure Description

[0015] Figure 1 This is a front view of the overall structure of the present invention; Figure 2 This is a side view of the overall structure of the present invention; Figure 3 This is a schematic diagram of the telescopic mechanism, driving mechanism, and auxiliary support structure of the present invention; Figure 4 This is a schematic diagram of the structure of the device of the present invention during its movement; Figure 5 This is a flowchart of the method of the present invention.

[0016] In the diagram: 1. Frame; 2. Telescopic mechanism; 21. Column; 22. Inner sleeve; 3. Drive mechanism; 31. Hydraulic cylinder; 4. Top frame; 41. Top arch support; 42. First beam; 5. Top mold; 6. Slot; 7. Auxiliary support component; 8. Drive motor. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] like Figures 1-4As shown, a stepping support lining mobile device includes a frame 1, a telescopic mechanism 2, and a drive mechanism 3. Multiple telescopic mechanisms 2 are spaced apart on both sides of the frame 1. The drive mechanism 3 is connected to the telescopic mechanisms 2. The telescopic mechanisms 2 can extend or retract, allowing them to contact or detach from the frame 1. When the telescopic mechanisms 2 detach from the frame 1, they create space for the transverse support beam to pass through. The drive mechanism 3 provides power for the extension or retraction of the telescopic mechanisms 2. The front and rear telescopic mechanisms alternately rise and fall to complete the crossing of the transverse support beam, enabling the device to move continuously and smoothly reach the next work position, greatly saving working time and improving work efficiency.

[0019] like Figures 1-4 As shown, a top frame 4 is provided on the top of the frame 1, and a top mold 5 is provided on the top frame 4. Multiple slots 6 are spaced apart on both sides of the top frame 4. The telescopic mechanism 2 corresponds one-to-one with each slot 6. The telescopic mechanism 2 includes a column 21 and an inner sleeve 22. The column 21 is vertically mounted on the frame 1 and has a hollow structure design. The inner sleeve 22 is located inside the column 21, and its outer surface is slidably connected to the inner wall of the column 21. The drive mechanism 3 includes a hydraulic cylinder 31, which is vertically mounted on the frame 1. The piston rod of the hydraulic cylinder 31 is connected to the bottom end of the inner sleeve 22. The hydraulic cylinder 31 is located inside the column 21. An auxiliary [device / mechanism] is detachably mounted on the frame 1. Support component 7, auxiliary support component 7 is set next to hydraulic cylinder 31. When the formwork is erected, the hydraulic cylinder 31 extends to drive the inner sleeve 22 to rise, so that the inner sleeve 22 falls into the predetermined space of the longitudinal beam. When the height is reached, the auxiliary support component 7 is put in to fix it, so as to prevent the hydraulic cylinder 31 from depressurizing and the longitudinal beam from moving down. The top frame 4 includes a top arch support 41 and a first beam 41. Multiple top arch supports 41 are connected to each other through the first beam 42. The bottom end of the frame 1 is provided with wheels. The wheels are slidably connected to the track set on the ground. The frame 1 is provided with a drive motor 8. The output end of the drive motor 8 is fixedly connected to the center of the wheel. The drive motor 8 can drive the wheel to rotate, thereby driving the device to move.

[0020] Here is an embodiment where the number of telescopic mechanisms 2 at both ends of the frame 1 are 4. The top formwork 5 is mainly used for workers to support and line the arched top of the tunnel. During operation, the lifting of the front and rear telescopic mechanisms 2 provides sufficient space for the horizontal support beam. When the device moves, the horizontal support beam can be crossed by the alternating lifting and lowering of the front and rear telescopic mechanisms 2, thereby achieving the purpose of the device's movement. After the entire device is assembled, no secondary assembly is required. The entire tunnel construction operation can be completed by the lifting and lowering of the telescopic mechanisms 2, which greatly saves working time and improves work efficiency. When the device is working, the horizontal support beam is always in a supported state, which improves the safety factor of the work.

[0021] like Figure 5As shown, a step-type support lining construction method is also provided, which uses a step-type support lining moving device. The construction method includes the following steps: S1: The drive motor drives the wheels to move the device on the track to the cross support beam; S2: The hydraulic cylinder near the horizontal support beam retracts, causing the telescopic mechanism to retract and disengage from the slot; S3: When the space between the telescopic mechanism and the slot allows the cross support beam to pass through, the device spans the cross support beam. S4: The front and rear telescopic mechanisms alternately raise and lower to complete the crossing of the horizontal support beam, enabling the device to move continuously.

[0022] Working process: The top formwork 5 is mainly used for workers to support and line the arched top of the tunnel. During operation, the front and rear telescopic mechanisms 2 are raised to leave enough space for the horizontal support beam. When the device moves, the horizontal support beam can be crossed by alternating raising and lowering of the front and rear telescopic mechanisms 2, thereby achieving the purpose of the device's movement.

[0023] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A stepping support lining moving device, comprising a frame (1), characterized in that, Also includes: Multiple telescopic mechanisms (2) are spaced apart on both sides of the frame (1). Each telescopic mechanism (2) can extend or retract to contact or detach from the frame (1). When the telescopic mechanism (2) detaches from the frame (1), it creates space for the cross support beam to pass through. A drive mechanism (3) is connected to a telescopic mechanism (2), the drive mechanism (3) being used to provide power for the telescopic mechanism (2) to extend or retract; The top of the frame (1) is provided with a top frame (4), the top frame (4) is provided with a top mold (5), and multiple slots (6) are provided on both sides of the top frame (4). The telescopic mechanism (2) includes: A column (21) is vertically mounted on the frame (1), and the column (21) has a hollow structure. Inner sleeve (22), which is disposed inside the column (21), and the outer surface of the inner sleeve (22) is slidably connected to the inner wall of the column (21); The drive mechanism (3) includes a hydraulic cylinder (31), which is vertically mounted on the frame (1). The piston rod of the hydraulic cylinder (31) is connected to the bottom end of the inner sleeve (22), and the hydraulic cylinder (31) is located inside the column (21).

2. The stepping support lining moving device according to claim 1, characterized in that: An auxiliary support (7) is detachably mounted on the frame (1), and the auxiliary support (7) is located next to the oil cylinder (31).

3. The stepping support lining moving device according to claim 1, characterized in that: The top frame (4) includes: Multiple arch supports (41), and The first beam (42) is used to connect the plurality of the top arch supports (41).

4. The stepping support lining moving device according to claim 1, characterized in that: The frame (1) is provided with wheels at the bottom end, and the wheels are slidably connected to a track on the ground.

5. The stepping support lining moving device according to claim 4, characterized in that: The frame (1) is equipped with a drive motor (8), and the output end of the drive motor (8) is fixedly connected to the wheel.

6. A step-by-step support lining construction method, characterized in that, The construction method using the step-type support lining moving device according to any one of claims 1-5 includes the following steps: S1: The device is driven by a drive motor on the frame to move along the track to the cross support beam. S2: The hydraulic cylinder near the horizontal support beam retracts, causing the telescopic mechanism to retract and disengage from the slot; S3: When the space between the telescopic mechanism and the slot allows the cross support beam to pass through, the device spans the cross support beam. S4: The front and rear telescopic mechanisms alternately raise and lower to complete the crossing of the horizontal support beam, enabling the device to move continuously.

Images