Highway tunnel assembly type lining installation device and tunnel trolley

Abstract

The utility model provides a highway tunnel assembly type lining installation device which comprises an installation platform, an inserting rod and a second hydraulic cylinder, two first hydraulic cylinders are symmetrically arranged on the end face of the installation platform, the inserting rod is arranged on the end face of the installation platform in a hinged mode and located between the two first hydraulic cylinders, and a fixing assembly for fixing pipe pieces is arranged on the inserting rod. The second hydraulic cylinder is fixedly arranged on the side, away from the inserting rod, of the mounting platform and hinged to the frame of the trolley through a hinge seat, third hydraulic cylinders are symmetrically arranged on the side wall of the second hydraulic cylinder in a hinged mode, and the ends, away from the second hydraulic cylinder, of the two third hydraulic cylinders are hinged to the frame of the trolley through hinge seats. The problem that in the prior art, when pipe pieces are installed on the inner wall of a tunnel, the pipe pieces incline, and consequently slab staggering is generated at joints is solved.

Description

Technical Field

[0001] This utility model relates to the field of tunnel segment installation technology, and in particular to a prefabricated lining installation device and tunnel trolley for highway tunnels. Background Technology

[0002] With the continuous development of tunnel engineering construction, the requirements for tunnel lining assembly technology are constantly increasing. As a key construction equipment, the performance of lining assembly machinery has a direct impact on the quality and efficiency of tunnel construction. Lining assembly machinery is generally installed on a trolley, which is equipped with a frame for the lining assembly machinery to be fixedly connected to. After the segments to be installed are hoisted onto the lining assembly machinery, the trolley moves inside the tunnel, and at the same time, the lining assembly machinery installs the segments onto the inner wall of the tunnel.

[0003] As an assembly component lining the inner wall of a tunnel, the tunnel lining segment has a through hole in its center as a grouting hole. This grouting hole also facilitates the hoisting of the segment by workers. During the assembly process, if the segment is misaligned when it is clamped onto the assembly machinery through the grouting hole, positioning errors will occur when the segments are spliced ​​together. These errors will cause misalignment at the joints between the segments, which not only affects the appearance quality of the tunnel lining, but more seriously, it will weaken the integrity and waterproof performance of the lining structure, thereby shortening the service life of the tunnel and increasing the later maintenance costs. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a prefabricated lining installation device and tunnel trolley for highway tunnels, which solves the problem of misalignment at the joints caused by the skewing of the tunnel segments during installation on the inner wall of the tunnel.

[0005] According to an embodiment of this utility model, a prefabricated lining installation device for highway tunnels includes an installation platform, a plug rod, and a second hydraulic cylinder. Two first hydraulic cylinders are symmetrically arranged on the end face of the installation platform. The plug rod is hingedly arranged on the end face of the installation platform and located between the two first hydraulic cylinders. The plug rod is provided with a fixing component for fixing the tunnel segments. The second hydraulic cylinder is fixedly arranged on the side of the installation platform away from the plug rod. The second hydraulic cylinder is hinged to the frame of the trolley through a hinge seat. A third hydraulic cylinder is symmetrically and hingedly arranged on the side wall of the second hydraulic cylinder. The ends of the two third hydraulic cylinders away from the second hydraulic cylinders are also hinged to the frame of the trolley through a hinge seat.

[0006] Compared with the prior art, this utility model has the following beneficial effects: By installing multiple of these devices on the frame of a trolley, workers hoist the tunnel segments onto the insertion rods and fix them to the fixing components. The swinging of the push rod and the swinging of the third hydraulic cylinder allow the tunnel segments fixed on the push rods to tilt in multiple directions, thereby adjusting the posture of the tunnel segments. This ensures that the entry angle of the tunnel segments when they abut against the tunnel wall is within a predetermined range, making the installation of the tunnel segments on the tunnel wall more precise, reducing the occurrence of misalignment, thereby improving the waterproofness of the entire lining structure and improving the construction quality.

[0007] Furthermore, the fixing component includes: a plurality of elastic plates, each elastic plate being equally spaced on the circumferential outer wall of the insertion rod and arranged along the axial direction of the insertion rod, and each elastic plate having a plurality of wavy protrusions.

[0008] Furthermore, each elastic piece is divided into a horizontal section and a raised section. The horizontal section of each elastic piece is close to the first hydraulic cylinder, and the raised section of each elastic piece is set in the direction away from the mounting platform.

[0009] Furthermore, an installation groove is provided at the end of the insertion rod away from the installation platform, and multiple through grooves are provided on the circumferential outer wall of the insertion rod. Each through groove is connected to the installation groove, and a driven gear is rotatably provided in each through groove. A limiting plate is provided on the side wall of each driven gear, and a drive component is provided in the installation groove to drive the driven gear in each through groove to rotate.

[0010] Furthermore, the drive assembly includes: a drive gear, which is rotatably disposed in the mounting slot, and the drive gear meshes with the driven gear in each through slot; a motor is embedded in the insert rod, and the output end of the motor is fixed to the drive gear.

[0011] Furthermore, a guide boss is provided at the end of the insertion rod that is away from the installation platform.

[0012] Furthermore, each hinge seat is integrally formed with a connecting plate, and the connecting plate has several connecting holes.

[0013] As an embodiment of this utility model, a prefabricated lining tunnel trolley for highway tunnels is also provided, which includes the aforementioned prefabricated lining installation device for highway tunnels. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0015] Figure 2 This is a front view of an embodiment of the present utility model.

[0016] Figure 3 This is a schematic diagram of the elastic sheet structure according to an embodiment of the present invention.

[0017] Figure 4 This is a schematic diagram of the installation of the limiting plate according to an embodiment of the present utility model.

[0018] In the above figures: 1. Mounting platform; 2. First hydraulic cylinder; 3. Insert rod; 4. Second hydraulic cylinder; 5. Hinge seat; 6. Third hydraulic cylinder; 7. Elastic sheet; 701. Horizontal section; 702. Protruding section; 8. Driven gear; 9. Limiting plate; 10. Driving gear; 11. Guide boss; 12. Connecting plate; 13. Connecting hole. Detailed Implementation

[0019] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0020] like Figures 1 to 2As shown in the figure, this utility model embodiment proposes a prefabricated lining installation device for highway tunnels, including an installation platform 1, a plug rod 3, and a second hydraulic cylinder 4. Two first hydraulic cylinders 2 are symmetrically arranged on the end face of the installation platform 1. The plug rod 3 is hingedly arranged on the end face of the installation platform 1 and located between the two first hydraulic cylinders 2. The plug rod 3 is provided with a fixing component for fixing the tunnel segments. The second hydraulic cylinder 4 is fixedly arranged on the side of the installation platform 1 away from the plug rod 3. The second hydraulic cylinder 4 is hinged to the frame of the trolley through a hinge seat 5. Three hydraulic cylinders 6 are symmetrically and hingedly arranged on the side wall of the second hydraulic cylinder 4. The ends of the two third hydraulic cylinders 6 away from the second hydraulic cylinder 4 are also hinged to the frame of the trolley through the hinge seat 5. In one embodiment, the device is mounted on the frame of a trolley. When mounting the device on the trolley frame, the hinge seats 5 of the third hydraulic cylinder 6 and the second hydraulic cylinder 4 are respectively fixed to the frame. The frame is shaped like a tunnel cross-section. Several of these devices are evenly spaced along the frame. Workers pre-install the tunnel segments to be installed onto the devices, inserting the insertion rod 3 into the through-hole of the segment. The fixing assembly secures the segment. After reaching the predetermined location, when installing the segment on the tunnel wall, the segment's posture is adjusted. The line connecting the two third hydraulic cylinders 6 is taken as the X-direction, and the line connecting the two first hydraulic cylinders 2 is taken as the Y-direction. The line connecting the two first hydraulic cylinders 2 is perpendicular to the line connecting the two third hydraulic cylinders 6. By activating two third hydraulic cylinders 6, one third hydraulic cylinder 6 extends the other. 6. The second hydraulic cylinder 4 is shortened, causing the tube segment to rotate around its hinge end, thus changing its tilt angle relative to the tunnel wall. Preferably, the output end of the first hydraulic cylinder 2 is provided with a hemispherical boss. Both first hydraulic cylinders 2 are activated simultaneously, with both first hydraulic cylinders 2 abutting against the side of the tube segment away from the tunnel wall. One first hydraulic cylinder 2 extends while the other shortens, pushing the insertion rod 3 to rotate around its hinge end, causing the tube segment to rotate around the X-axis and changing its tilt angle relative to the tunnel wall. After the tube segment's posture is adjusted to the correct position, the second hydraulic cylinder 4 is activated, pushing the tube segment towards the tunnel wall. At this time, the fixing component releases the tube segment, and both first hydraulic cylinders 2 are activated. Both first hydraulic cylinders 2 extend simultaneously, pushing the tube segment out from the insertion rod 3, so that the tube segment is installed on the tunnel wall. It should be noted that the extension and retraction of the first hydraulic cylinder 2, the second hydraulic cylinder 4, and the third hydraulic cylinder 6 can be controlled by a PLC programmable controller. The verification of the tunnel segment posture can be achieved through relevant probes, sensors, detectors, etc., all of which are existing technologies and will not be elaborated here. This device, through the swinging of the push rod and the swinging of the third hydraulic cylinder 6, allows the tunnel segment fixed on the push rod to tilt in multiple directions, thereby adjusting its posture. This makes the installation of the tunnel segment on the tunnel inner wall more precise, reduces the occurrence of misalignment, ensures the accuracy of the tunnel segment lining on the tunnel inner wall, and thus improves the waterproofness of the entire lining structure and the construction quality.

[0021] like Figures 1 to 3 As shown, the fixing component further includes: a plurality of elastic plates 7, each elastic plate 7 being equally spaced on the circumferential outer wall of the insert rod 3 and arranged along the axial direction of the insert rod 3, and each elastic plate 7 having a plurality of wavy protrusions. The elastic plates 7 are made of elastic material, specifically spring steel. When the push rod is inserted into the through hole of the tube segment, the elastic plates 7 are compressed, and at the same time, the retraction of the elastic plates 7 abuts against the inner wall of the through hole of the tube segment, restricting the movement of the tube segment and achieving the fixing effect. Preferably, a plurality of receiving grooves corresponding one-to-one with the elastic plates 7 can be opened on the circumferential outer wall of the push rod, and the elastic plates 7 can be housed in the receiving grooves when compressed.

[0022] like Figure 3 As shown, each elastic piece 7 is further divided into a horizontal segment 701 and a raised segment 702. The horizontal segment 701 of each elastic piece 7 is close to the first hydraulic cylinder 2, and the raised segment 702 of each elastic piece 7 is arranged in the direction away from the mounting platform 1 towards the insertion rod 3. In this embodiment, when the tube is fixed on the insertion rod 3, the displacement can be limited by the raised segment 702 of the elastic piece 7 supporting it in the through hole of the tube, or the tube can be sleeved on the horizontal segment 701 of the elastic piece 7, with the raised segment 702 limiting one end of the tube, while the other end of the tube is abutted by the output end of the first hydraulic cylinder 2.

[0023] like Figure 4 As shown, furthermore, the insertion rod 3 has an installation groove at the end opposite to the installation platform 1, and multiple through grooves are formed on the circumferential outer wall of the insertion rod 3. Each through groove communicates with the installation groove, and a driven gear 8 is rotatably provided in each through groove. A limiting plate 9 is provided on the side wall of each driven gear 8. A drive assembly is provided in the installation groove to drive the driven gear 8 in each through groove to rotate. When the free end of the insertion rod 3 is tilted downward, the tube segment on the insertion rod 3 may become unstable and slip under its own weight. At this time, the drive assembly is activated, and the drive assembly drives the driven gear 8 to rotate, so that the limiting plate 9 on each driven gear 8 rotates from inside the through groove to the outside, so that it abuts against the side wall of the tube segment, restricting the tube segment from sliding off the insertion rod 3, and further ensuring the stability of the temporary fixation of the tube segment.

[0024] like Figure 4As shown, the drive assembly further includes: a drive gear 10, which is rotatably mounted in the mounting slot. The drive gear 10 meshes with the driven gear 8 in each through slot. A motor is embedded in the insert rod 3, and the output end of the motor is fixed to the drive gear 10. During operation, the motor (not shown in the figure) is started, and the motor drives the drive gear 10 to rotate. The rotation of the drive gear 10 drives the driven gear 8 meshing with it to rotate, thereby allowing the limiting plate 9 on the driven gear 8 to extend out of the through slot, thus restricting the slippage of the tube segment on the push rod. When the tube segment needs to be installed on the inner wall of the tunnel, the motor rotates in the opposite direction, so that the limiting plate 9 rotates back into the through slot. At this time, the limiting plate 9 no longer blocks the tube segment, and the first hydraulic cylinder 2 can push the tube segment out of the insert rod 3.

[0025] like Figures 1 to 3 As shown, furthermore, a guide boss 11 is provided at the end of the insertion rod 3 away from the installation platform 1. Specifically, the guide boss 11 is a protruding structure provided at the end of the insertion rod 3, and its diameter gradually increases along the direction of the insertion rod 3 until it is the same as the diameter of the insertion rod 3. The setting of the guide boss 11 can facilitate the guidance of the tube segment when it is hoisted onto the insertion rod 3, so that the tube segment is smoothly connected to the insertion rod 3.

[0026] like Figure 1 As shown, each hinge seat 5 is further provided with an integrally formed connecting plate 12, and the connecting plate 12 has a plurality of connecting holes 13. The connecting plate 12 is bolted to the frame of the trolley through the connecting holes 13, which facilitates the disassembly and position adjustment of the device.

[0027] As an embodiment of this utility model, a prefabricated lining tunnel trolley for highway tunnels is also provided, which includes the aforementioned prefabricated lining installation device for highway tunnels. The trolley is equipped with a frame, and this device is generally installed on the frame. Several threaded holes are evenly spaced on the frame. The connecting plate 12 is detachably connected to the frame through these threaded holes. After the worker secures the tunnel segments by hoisting them onto the insertion rod 3, the trolley travels inside the tunnel to a predetermined location. The first hydraulic cylinder 2 and the third hydraulic cylinder 6 then adjust the posture of the tunnel segments to the correct position, precisely installing the segments in the predetermined location.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A prefabricated lining installation device for highway tunnels, characterized in that, include: The mounting platform (1) has two first hydraulic cylinders (2) symmetrically arranged on its end face; Insert rod (3), the insert rod (3) is hinged to the end face of the installation platform (1) and located between the two first hydraulic cylinders (2), and the insert rod (3) is provided with a fixing component for fixing the tube segment; The second hydraulic cylinder (4) is fixedly installed on the side of the mounting platform (1) away from the insertion rod (3). The second hydraulic cylinder (4) is hinged to the frame of the trolley through the hinge seat (5). The second hydraulic cylinder (4) is symmetrically and hingedly provided on the side wall of the second hydraulic cylinder (4). The ends of the two third hydraulic cylinders (6) away from the second hydraulic cylinder (4) are also hinged to the frame of the trolley through the hinge seat (5).

2. The prefabricated lining installation device for highway tunnels as described in claim 1, characterized in that, The fixing component includes: several elastic pieces (7), each elastic piece (7) is equally spaced on the circumferential outer wall of the insertion rod (3) and arranged along the axial direction of the insertion rod (3), and each elastic piece (7) is provided with several wavy protrusions.

3. The prefabricated lining installation device for highway tunnels as described in claim 2, characterized in that: Each elastic piece (7) is divided into a horizontal section (701) and a raised section (702). The horizontal section (701) of each elastic piece (7) is close to the first hydraulic cylinder (2), and the raised section (702) of each elastic piece (7) is set in the direction away from the mounting platform (1) from the insertion rod (3).

4. The prefabricated lining installation device for highway tunnels as described in claim 1, characterized in that: The insertion rod (3) has an installation groove at one end away from the installation platform (1). Multiple through grooves are provided on the circumferential outer wall of the insertion rod (3). Each through groove is connected to the installation groove. A driven gear (8) is rotatably provided in each through groove. A limiting plate (9) is provided on the side wall of each driven gear (8). A drive assembly for driving the driven gear (8) in each through groove to rotate is provided in the installation groove.

5. The prefabricated lining installation device for highway tunnels as described in claim 4, characterized in that, The drive assembly includes: a drive gear (10), which is rotatably disposed in the mounting slot. The drive gear (10) meshes with the driven gear (8) in each through slot. A motor is embedded in the insert rod (3), and the output end of the motor is fixed to the drive gear (10).

6. The prefabricated lining installation device for highway tunnels as described in claim 1, characterized in that: The end of the insertion rod (3) facing away from the installation platform (1) is provided with a guide boss (11).

7. The prefabricated lining installation device for highway tunnels as described in claim 1, characterized in that, Each hinge seat (5) is integrally formed with a connecting plate (12), and the connecting plate (12) has several connecting holes (13).

8. A prefabricated lining tunnel trolley for highway tunnels, characterized in that: The highway tunnel prefabricated lining installation device includes any one of claims 1-7.

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