A multifunctional track transfer and laying method

Abstract

The application provides a multifunctional track transfer and laying method, which adopts a transfer trolley; the laying steps include: step one, transferring the trolley along the locomotive track to the position of the tunneling machine track behind the tunneling machine trolley; step two, starting the lifting driving part to move the movable end of the track laying device downward; step three, controlling the horizontal driving part to open the movable end of the track laying device and move the movable end of the track laying device to the position below the tunneling machine track; step four, controlling the horizontal driving part and the lifting driving part to close the movable end of the track laying device and move the movable end upward to the position above the chassis, and finally placing the tunneling machine track on the top of the chassis; step five, controlling the hoisting device to rotate to hoist and transfer the construction supporting materials of the tunneling machine; the dismounting steps are opposite to the laying steps. The application has the effects of improving the track transfer and laying efficiency and construction safety, and reducing the labor intensity and cost of construction.

Description

Technical Field

[0001] This invention relates to the field of track laying and transportation technology for tunnel boring machines, and in particular to a multifunctional track transportation and laying method. Background Technology

[0002] Tunnel boring machine (TBM) tunneling technology is a construction method that involves excavating tunnels underground. It is commonly used for the excavation of tunnels such as urban subway tunnels, hydraulic tunnels, river-crossing tunnels, railway tunnels, highway tunnels, and municipal pipelines.

[0003] Currently, two sets of tracks are required during tunnel boring machine (TBM) construction: a temporary track for the TBM to move around, which is dismantled as it moves and the dismantled rails are transported to the TBM rollers for further track laying; and a permanent track for the machine to move around, ensuring the supply of materials needed for tunnel construction. The TBM tracks in areas where the TBM leaves must be promptly dismantled and transported to the front of the TBM for continued track laying. This smooth cycle is crucial for the stable movement of the TBM. Each rail used for laying TBM tracks typically weighs approximately 560 kg, and 4-8 rails need to be dismantled, transported, and laid per shift, resulting in a massive workload. Currently, the dismantling, transporting, and laying of the rails in the above processes all rely heavily on manual labor. Due to the weight of the rails and the limited operating space, relying entirely on manual labor leads to high labor intensity, low efficiency, and high construction costs.

[0004] The existing track transfer and laying equipment has the following defects:

[0005] 1. Traditional construction methods involve manual dismantling, transporting, and laying of tunneling machine rails, which is labor-intensive, inefficient, and costly. Furthermore, the heavy weight of the rails and limited operating space pose certain safety risks to workers.

[0006] 2. Existing patents are concentrated in the field of rail transportation or rail removal after tunneling machine construction is completed, and there is no automated equipment for rail dismantling, transportation and laying during tunneling machine construction.

[0007] 3. Moving heavy objects (cutting tools, grease drums, etc.) on the tunneling machine trolley mainly relies on hand-operated hoists fixed to the trolley or manual labor. Because the installation position of the hand-operated hoists is fixed and manpower is limited, moving heavy objects on the tunneling machine trolley is labor-intensive, inefficient, and detrimental to the supply of materials. Summary of the Invention

[0008] To address the shortcomings of existing technologies, this invention provides a multifunctional track transfer and laying method, which solves the problems of low efficiency and high labor intensity in disassembling, transporting, and laying tunneling machine rails, as well as low efficiency in transporting tunneling machine supporting materials.

[0009] According to an embodiment of the present invention, a multifunctional track transfer and laying method employs a transfer trolley. The transfer trolley includes a chassis movable along a locomotive track, a lifting device vertically rotatably mounted on the chassis, and a track laying device disposed at the bottom of the chassis. The track laying device is clamp-shaped, and a horizontal drive component is provided inside the track laying device to drive the movable end to close and open. A lifting drive component is also provided inside the track laying device to drive its movable end to move vertically. The laying steps include:

[0010] Step 1: Move the transfer trolley along the locomotive track to the tunneling machine track behind the tunneling machine trolley;

[0011] Step 2: Activate the lifting drive to move the movable end of the track laying device downwards;

[0012] Step 3: Then control the horizontal drive component to open the movable end of the track laying device and move the movable end of the track laying device to below the tunneling machine track.

[0013] Step 4: Control the horizontal drive and lifting drive to close the movable end of the track laying device and move it upward to the top of the chassis, finally placing the tunneling machine track on the top of the chassis;

[0014] Step 5: Control the rotation of the lifting device to hoist and transport the construction materials for the tunneling machine; the dismantling steps are the reverse of the laying steps.

[0015] Preferably, the track laying device is symmetrically arranged on both sides of the chassis. The track laying device located on one side of the chassis includes a connecting rod, a first swing arm, a second swing arm, a second T-pin mounting seat, a second T-pin, a first T-pin mounting seat, and a first T-pin. Both the first and second T-pin mounting seats are fixed to the bottom of the chassis. The first and second T-pins are vertically rotatably connected to the first and second T-pin mounting seats, respectively. Both the first and second swing arms have a V-shaped structure. One end of the second arm is respectively fitted with a limiting structure to both ends of the connecting rod. The other ends of the first and second swing arms are respectively connected to the first and second trays. The first, second, and connecting rods form a parallelogram structure. The ends of the first and second swing arms near the connecting rods are respectively horizontally rotatably connected to the bottom ends of the first and second T-pins. The first and second T-pins are both installed upside down. The horizontal driving component is a swing arm cylinder that is horizontally rotatably connected to the bottom of the chassis. The output end of the swing arm cylinder is hinged to the end of the first swing arm near the connecting rod.

[0016] Preferably, the vertical drive component is a shift fork cylinder one and a shift fork cylinder two with the cylinder bottom fixed to the bottom of the chassis. Both shift fork cylinder one and shift fork cylinder two are arranged vertically downwards. The output ends of shift fork cylinder one and shift fork cylinder two are respectively fixedly connected to shift fork one and shift fork two. Shift fork one and shift fork two are respectively fitted onto both ends of the connecting rod. Both shift fork one and shift fork two are rectangular frames.

[0017] Preferably, the first and second shift fork cylinders are supplied with oil by a synchronous motor.

[0018] Preferably, when the first and second shift fork cylinders are in the fully extended state, the movable ends of the first and second swing arms are located above the chassis.

[0019] Preferably, the limiting structure consists of annular protrusions respectively disposed at both ends of the connecting rod, the annular protrusions being arranged in pairs, with a gap between the pair of annular protrusions, and the ends of the first swing arm and the second swing arm being respectively located between the pair of annular protrusions.

[0020] Preferably, the chassis includes a base plate, limiting blocks, and rollers. The rollers are arranged horizontally at the four corners of the bottom of the base plate, and the limiting blocks are located at the top of the base plate and are arranged in pairs at the front and rear ends of the base plate.

[0021] Preferably, the lifting device includes a boom support that is vertically rotatably mounted at the rear of the chassis, a boom hinged to the top of the boom support, a fixed pulley that is horizontally rotatably mounted at the movable end of the boom, and a pitch cylinder hinged between the boom support and the boom. A wire winding structure is provided inside the boom, and the wire wound on the wire winding structure passes through the fixed pulley and is connected to a hook.

[0022] Preferably, the wire winding structure includes a fixed pulley group fixedly disposed in the boom and a movable pulley group slidably disposed in the boom. A lifting cylinder is fixedly disposed in the boom. The movable pulley group is connected to the movable end of the lifting cylinder. The wire is wound between the movable pulley group and the fixed pulley group.

[0023] Preferably, a slewing mechanism is provided on the base plate, and the output end of the slewing mechanism is connected to the bottom end of the boom support through a gear set.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] 1. A chassis that can move along the locomotive track is set up. A lifting device and a track laying device are set on the top of the chassis. The movable end of the clamp-shaped track laying device can open or close and can move up and down, which can realize the automated transfer of the tunneling machine track, reduce the labor intensity of construction, improve the efficiency of track transfer construction operations, reduce construction costs, and at the same time significantly reduce the safety risks of operators.

[0026] 2. A lifting device is installed at the rear of the chassis. The lifting device can achieve full rotation, and the boom can pitch, realizing automated unloading of heavy objects (cutting tools, grease drums, etc.) on the tunneling machine trolley, reducing labor intensity, improving work efficiency, and fully ensuring material supply.

[0027] 3. The lifting device has a simple and compact structure, is suitable for lifting operations in confined spaces, and is easy to manufacture. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the construction track of the tunneling machine in an embodiment of the present invention.

[0029] Figure 2 This is a schematic diagram of the structure for reversing the construction track of the tunneling machine in an embodiment of the present invention.

[0030] Figure 3 This is a front view of an embodiment of the present invention.

[0031] Figure 4 This is a top view of an embodiment of the present invention (with the lifting device removed).

[0032] Figure 5 This is a schematic diagram of the structure of a single-sided track laying device in an embodiment of the present invention.

[0033] Figure 6 This is a schematic diagram of the first step of the track transfer in an embodiment of the present invention.

[0034] Figure 7 This is a schematic diagram of the second step of the track transfer in an embodiment of the present invention.

[0035] Figure 8 This is a schematic diagram of step three of the track transfer in an embodiment of the present invention.

[0036] Figure 9 This is a schematic diagram of the fourth step of the track transfer in an embodiment of the present invention.

[0037] Figure 10 This is a schematic diagram of the lifting device in an embodiment of the present invention.

[0038] In the above attached figures: 1. Lifting device; 101. Hook; 102. Fixed pulley; 103. Fixed pulley block; 104. Steel wire; 105. Slide groove; 106. Movable pulley block; 107. Lifting cylinder; 108. Pitch cylinder; 109. Boom; 110. Boom support; 111. Slewing mechanism; 2. Chassis; 201. Base plate; 202. Limiting block; 203. Roller; 3. Track laying device; 301. Swing arm cylinder; 3 02. Swing arm one; 303. Shift fork one; 304. Shift fork cylinder one; 305. Shift fork two; 306. Shift fork cylinder two; 307. Connecting rod; 308. T-pin mounting seat two; 309. T-pin two; 310. Swing arm two; 311. Pallet two; 312. T-pin mounting seat one; 313. T-pin one; 314. Pallet one; 4. Locomotive; 5. Tunneling machine trolley; 6. Sleeper; 7. Locomotive track; 8. Tunneling machine track. Detailed Implementation

[0039] The technical solutions of the present invention will be further described below with reference to the accompanying drawings and embodiments.

[0040] To achieve the above objectives, the technical solution of the present invention is implemented as follows:

[0041] The track layout for tunnel boring machine (TBM) construction is shown in the attached figure. Figure 1 As shown, it includes: locomotive 4; tunneling machine trolley 5; sleeper 6; locomotive track 7; tunneling machine track 8.

[0042] The following is a description of the track relocation process during tunnel boring machine (TBM) construction. Figure 2 As shown, it includes: locomotive 4; tunneling machine trolley 5; sleeper 6; locomotive track 7; tunneling machine track 8.

[0043] The tunneling machine advances forward. After the tunneling machine moves away, the present invention removes the tunneling machine track 8 behind the tunneling machine trolley 5. Figure 2 The equipment is moved to the location shown in point A, and then transported to the area in front of the tunneling machine trolley 5 where no track has been laid. Figure 2 The location shown at point B in the middle.

[0044] The multifunctional track transfer and laying trolley described in this invention, as shown in the attached figure... Figure 3 , 4 As shown, it includes: lifting device 1; chassis 2; track laying device 3.

[0045] The lifting device 1 and the track laying device 3 are mounted on the chassis 2, which supports other components and heavy objects. The lifting device 1 is used to lift heavy objects, and the track laying device 3 is used to assist in the disassembly, assembly, and laying of tracks.

[0046] Combined with appendix Figure 3 , 4 5. Further explanation of the structure of the track laying device 3 in this invention:

[0047] 1. The T-pin mounting base 312 is connected to the base plate 201 by bolts. The shoulder at the upper end of the T-pin 313 mates with the shoulder inside the T-pin mounting base 312, so that one axis of the T-pin 313 coincides with the axis of the T-pin mounting base 312. This allows the T-pin 313 to rotate around the central axis of the T-pin mounting base 312, but it cannot move up or down.

[0048] 2. The swing arm 302 is fitted with the T-pin 313 through the hole, and the mounting hole on the swing arm 302 coincides with the other axis of the T-pin 313, so that the swing arm 302 can rotate around both axes of the T-pin 313.

[0049] 3. One end of the swing arm cylinder 301 is connected to the base plate 201, and the other end is connected to the tail of the swing arm 302. By controlling the extension and retraction of the swing arm cylinder 301, the opening and closing action of the swing arm 302 can be realized.

[0050] 4. The tray 314 is hinged to the first section of the swing arm 302, serving to support the track;

[0051] 5. The mating method of T-pin mounting base 2 308, T-pin 2 309, swing arm 2 310, and tray 2 311 is the same as that described in 1 to 4 above;

[0052] 6. The front end of connecting rod 307 mates with the oblong hole at the rear end of swing arm 302, and the front end of connecting rod 307 has a limiting shoulder to ensure that connecting rod 307 does not detach from swing arm 302. The rear end of connecting rod 307 mates with the oblong hole at the rear end of swing arm 310, and the rear end of connecting rod 307 also has a limiting shoulder to ensure that connecting rod 307 does not detach from swing arm 310. When swing arm 302 performs an opening and closing action, swing arm 310 can be driven by connecting rod 307 to achieve the same opening and closing action.

[0053] 7. The tail end of the shift fork cylinder 304 is vertically fixed to the base plate 201 by bolts, and the front end of the piston rod is bolted to the shift fork 303. By controlling the extension and retraction of the shift fork cylinder 304, the up and down movement of the shift fork 303 can be achieved. The engagement method of the shift fork 305 and the shift fork cylinder 306 is the same.

[0054] 8. Shift fork 1 303 and shift fork 2 305 are driven by shift fork cylinder 1 304 and shift fork cylinder 2 306 respectively. Shift fork cylinder 1 304 and shift fork cylinder 2 306 achieve synchronous operation by being supplied with oil by a synchronous motor.

[0055] 9. The shift fork 1 303 and shift fork 2 305 cooperate with the connecting rod 307. The shift fork cylinder 1 304 and shift fork cylinder 2 306 drive the shift fork 1 303 and shift fork 2 305 to move up and down, which in turn drives the connecting rod 307 to move up and down, thereby driving the swing arm 1 302 and swing arm 2 310 to swing up and down.

[0056] Combined with appendix Figure 3 The structure of the lifting device 1 in this invention is further described as follows:

[0057] 1. The boom support 110 is fixed on the base plate 201 and rotates through the slewing mechanism 111;

[0058] 2. The boom 109 is hinged to the boom support 110. The two ends of the pitch cylinder 108 are respectively hinged to the boom 109 and the boom support 110. By controlling the extension and retraction of the pitch cylinder 108, the boom 109 can be raised and lowered.

[0059] 3. Fixed pulley 102 and fixed pulley block 103 are connected to the front end of boom 109 through shaft hole fitting. Movable pulley block 106 is connected to the middle of boom 109 through shaft-slide groove 105 structure, so that movable pulley block 106 can rotate around its own axis and slide back and forth along slide groove 105 of boom 109;

[0060] 4. The steel wire 104 is wound multiple times between the fixed pulley block 103 and the movable pulley block 106, and passes around the fixed pulley 102 to connect to the hook 101;

[0061] 5. The tail end of the lifting cylinder 107 is hinged to the tail end of the boom 109, and the front end is bolted to the movable pulley block 106. By controlling the extension and retraction of the lifting cylinder 107, the lifting and lowering action of the hook 101 can be realized.

[0062] Combined with appendix Figure 3 Further explanation of the structure of chassis 2 in this invention:

[0063] 1. The base plate 201 is used to support other components and bear heavy loads;

[0064] 2. The rollers 203 are installed at the bottom of the base plate 201 and are driven by a hydraulic motor, running on the locomotive track 7;

[0065] 3. The limiting block 202 is fastened to the upper surface of the base plate 201 and serves to place the track;

[0066] This invention relates to the method of using the above-mentioned track laying device 3, as shown in the attached figure. Figure 6 , 7 As shown in 8 and 9, the steps include the following:

[0067] 1. For example Figure 6 As shown, the multi-functional track transfer and laying trolley is driven to the position where the tunneling machine track needs to be dismantled. At this time, the swing arm cylinder 301 extends and the second swing arm 310 closes. The first shift fork cylinder 304 and the second shift fork cylinder 306 extend, the second swing arm 310 swings upward to the highest point, and the second pallet 311 is in the retracted state;

[0068] 2. For example Figure 7 As shown, the shift fork cylinder 1 304 and shift fork cylinder 2 306 retract, the swing arm 2 310 swings to the highest point, and the tray 2 311 is at the lowest point.

[0069] 3. For example Figure 8 As shown, the swing arm cylinder 301 retracts, and the second swing arm 310 opens. The second pallet 311 extends to the bottom of the tunneling machine track 8;

[0070] 4. For example Figure 9As shown, shift fork cylinders 304 and 306 retract, swing arm 310 swings upward, and pallet 311 lifts upward to separate the tunneling machine track 8 from the sleeper 6. Swing arm cylinder 301 extends, causing swing arm 310 to close, moving the tunneling machine track 8 above the limit block 202. Then, shift fork cylinders 304 and 306 retract, placing the tunneling machine track 8 on the limit block 202, completing the track disassembly operation.

[0071] 5. The operation steps for track laying are the reverse of the work sequence in 1-4 above.

[0072] This invention relates to the method of using the above-mentioned lifting device 1, as shown in the attached diagram. Figure 10 As shown, it includes the following steps:

[0073] 1. The pitch cylinder 108 extends, raising the boom 109;

[0074] 2. The lifting cylinder 107 extends, and the hook 101 descends;

[0075] 3. The slewing mechanism 111 can control the slewing of the lifting system.

Claims

1. A multifunctional track transfer and laying method, characterized in that: A transfer trolley is used. The transfer trolley includes a chassis (2) that can move along the locomotive track (7), a lifting device (1) that is vertically rotated on the chassis (2), and a track laying device (3) that is set at the bottom of the chassis (2). The track laying device (3) is clamp-shaped. A horizontal drive component is provided inside the track laying device (3) to drive the movable end to close and open. A lifting drive component is provided inside the track laying device (3) to drive its movable end to move in the vertical direction. The laying steps include: Step 1: Move the transfer trolley along the locomotive track (7) to the tunneling machine track (8) behind the tunneling machine trolley; Step 2: Start the lifting drive to move the movable end of the track laying device (3) downwards; Step 3: Control the horizontal drive component again to open the movable end of the track laying device (3) and move the movable end of the track laying device (3) to the bottom of the tunneling machine track (8); Step 4: Control the horizontal drive and the lifting drive to close the movable end of the track laying device (3) and move it upward to the top of the chassis (2), and finally place the tunneling machine track (8) on the top of the chassis (2); Step 5: Control the lifting device (1) to rotate and lift the construction materials for the tunneling machine; the dismantling steps are the reverse of the laying steps; The track laying device (3) is symmetrically arranged on both sides of the chassis (2). The track laying device (3) located on one side of the chassis (2) includes a connecting rod (307), a first swing arm (302), a second swing arm (310), a second T-pin mounting seat (308), a second T-pin (309), a first T-pin mounting seat (312), and a first T-pin (313). The first T-pin mounting seat (312) and the second T-pin mounting seat (308) are both fixed to the bottom of the chassis (2). The first T-pin (313) and the second T-pin (309) are vertically rotatably connected to the first T-pin mounting seat (312) and the second T-pin mounting seat (308), respectively. The first swing arm (302) and the second swing arm (310) are both V-shaped structures. The first swing arm (302) and the second swing arm (310) are V-shaped structures. One end of each arm is fitted with a limiting structure at both ends of the connecting rod (307). The other ends of the swing arm one (302) and the swing arm two (310) are connected to the tray one (314) and the tray two (311) respectively. The swing arm one (302), the swing arm two (310) and the connecting rod (307) form a parallelogram structure. The ends of the swing arm one (302) and the swing arm two (310) near the connecting rod (307) are horizontally rotatably connected to the bottom ends of the T-pin one (313) and the T-pin two (309) respectively. The T-pin one (313) and the T-pin two (309) are both installed upside down. The horizontal driving component is a swing arm cylinder (301) that is horizontally rotatably connected to the bottom of the chassis (2). The output end of the swing arm cylinder (301) is hinged to the end of the swing arm one (302) near the connecting rod (307). The vertical drive components are a shift fork cylinder one (304) and a shift fork cylinder two (306) fixed to the bottom of the chassis (2). Both the shift fork cylinder one (304) and the shift fork cylinder two (306) are arranged vertically downwards. The output ends of the shift fork cylinder one (304) and the shift fork cylinder two (306) are respectively fixedly connected to shift fork one (303) and shift fork two (305). Shift fork one (303) and shift fork two (305) are respectively fitted onto the two ends of the connecting rod (307). Shift fork one (303) and shift fork two (305) are both rectangular frames.

2. The multifunctional track transfer and laying method as described in claim 1, characterized in that: The shift fork cylinder one (304) and shift fork cylinder two (306) are supplied with oil by a synchronous motor.

3. The multifunctional track transfer and laying method as described in claim 2, characterized in that: When the first (304) and the second (306) shift fork cylinders are in the fully extended state, the movable ends of the first (302) and the second (310) swing arms are located above the chassis (2).

4. The multifunctional track transfer and laying method as described in claim 1, characterized in that: The limiting structure consists of annular protrusions respectively disposed at both ends of the connecting rod (307). The annular protrusions are arranged in pairs, and a gap is provided between the pair of annular protrusions. The ends of the first swing arm (302) and the second swing arm (310) are respectively located between the pair of annular protrusions.

5. The multifunctional track transfer and laying method as described in claim 1, characterized in that: The chassis (2) includes a base plate (201), a limiting block (202) and rollers (203). The rollers (203) are horizontally rotatably arranged at the four corners of the bottom of the base plate (201). The limiting blocks (202) are located at the top of the base plate (201) and are arranged in pairs at the front and rear ends of the base plate (201).

6. The multifunctional track transfer and laying method as described in claim 5, characterized in that: The lifting device (1) includes a boom support (110) vertically rotatably mounted at the tail of the chassis (2), a boom (109) hinged to the top of the boom support (110), a fixed pulley (102) horizontally rotatably mounted at the movable end of the boom (109), and a pitch cylinder (108) hinged between the boom support (110) and the boom (109). The boom (109) is provided with a wire winding structure. The wire (104) wound on the wire winding structure passes through the fixed pulley (102) and is connected to a hook (101).

7. The multifunctional track transfer and laying method as described in claim 6, characterized in that: The wire winding structure includes a fixed pulley group (103) fixedly installed in the boom (109) and a movable pulley group (106) slidably installed in the boom (109). A lifting cylinder (107) is fixedly installed in the boom (109). The movable pulley group (106) is connected to the movable end of the lifting cylinder (107). The wire (104) is wound between the movable pulley group (106) and the fixed pulley group (103).

8. The multifunctional track transfer and laying method as described in claim 6, characterized in that: A slewing mechanism (111) is provided on the base plate (201), and the output end of the slewing mechanism (111) is connected to the bottom end of the boom support (110) through a gear set.

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