Hydraulic shield hob end cover dismounting device

Abstract

The invention discloses a hydraulic shield hob end cover dismounting device which comprises a rack, a dismounting mechanism, a supporting mechanism, a shaft clamping mechanism and a hoisting mechanism, a workbench and a driving mechanism are arranged on the rack, and the workbench can move in the first direction relative to the rack; the driving mechanism can reciprocate in the second direction relative to the rack, the dismounting mechanism comprises a chuck, a push disc and an elastic piece, the chuck is connected with the push disc through the elastic piece, a first bearing and a plurality of positioning pins are arranged on the push disc, the positioning pins are used for positioning the hobs in a matched mode, the first bearing is in transmission connection with the driving mechanism, and a plurality of first holes are formed in the chuck; at least part of the positioning rod penetrates through the first hole, the shaft clamping mechanism is arranged on the workbench and can move in the second direction to be used for fixing a hob shaft of the hob, and the hoisting mechanism is located on the rack. The hydraulic shield hob end cover dismounting device has the advantages of being small in hob damage, good in safety and convenient to dismount.

Description

Technical Field

[0001] The invention relates to the technical field of shield machine maintenance equipment, and in particular to a hydraulic shield cutter end cover disassembly device. Background Art

[0002] In shield / TBM hard rock construction, the roller cutter is the main tool for breaking rocks. Due to the working environment, the end cover and shaft thread of the roller cutter are prone to rust, or due to the impact deformation factor, the end cover of many roller cutters is very difficult to remove during maintenance. At this time, maintenance workers often use a long iron pipe to cover a homemade disassembly wrench, and use a sledgehammer to disassemble it or multiple people work together to disassemble it, which is time-consuming and labor-intensive. There is also a risk of tools flying and injuring people and damaging roller cutter accessories when the sledgehammer is used. Summary of the invention

[0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. To this end, an embodiment of the present invention provides a hydraulic shield cutter end cover disassembly device, which has the advantages of little damage to the cutter, good safety and convenient disassembly.

[0004] According to the hydraulic shield cutter end cover disassembly device of the embodiment of the present invention, the hydraulic shield cutter end cover disassembly device includes a frame, a disassembly mechanism, a supporting mechanism, a clamping shaft mechanism and a lifting mechanism. A workbench and a driving mechanism are arranged on the frame. The workbench can move along a first direction relative to the frame. The driving mechanism can reciprocate along a second direction relative to the frame. The first direction is perpendicular to the second direction. The disassembly mechanism includes a chuck, a push plate and an elastic member. The chuck is connected to the push plate through an elastic member. A first bearing and a plurality of positioning pins are arranged on the push plate. The positioning pins are used to cooperate with the positioning roller. The first bearing and the positioning pins are used to match the positioning roller. The driving mechanism is connected in transmission, a plurality of first holes are arranged on the chuck, and positioning rods corresponding to the first holes are arranged on the push plate, at least part of the positioning rods pass through the first holes, and the elastic member is sleeved on the positioning rods to change the distance between the chuck and the push plate, the supporting mechanism is arranged on one side of the workbench to support the disassembly mechanism, the clamping shaft mechanism is arranged on the workbench, the clamping shaft mechanism can move along the second direction to clamp the cutter shaft of the roller, and the hoisting mechanism is located on the frame to hoist the disassembly mechanism to realize the placement and displacement of the disassembly mechanism when the disassembly mechanism is not in working state.

[0005] The hydraulic shield cutter end cover disassembly device according to the embodiment of the present invention has the advantages of less damage to the cutter, good safety, and convenient disassembly. The present application has the following advantages: reducing the cost of replacing new cutters, reducing the overall project cost, and ensuring the efficiency and safety of shield operations. It reduces manual participation, ensures the safety of workers, and the smooth disassembly process can reduce damage to the cutter accessories.

[0006] In some embodiments, the driving mechanism includes a sliding seat, a first hydraulic cylinder, and an inclined slot push seat. The first hydraulic cylinder is located on the frame. The output end of the first hydraulic cylinder is connected to the inclined slot push seat through a connecting plate. The inclined slot push seat is provided with an inclined slot for accommodating the first bearing. Guide rods are provided on both sides of the inclined slot push seat. The sliding seat is arranged on both sides of the inclined slot push seat corresponding to the guide rods and is connected to the frame. A horizontal sliding groove is provided on the sliding seat. The nylon roller is provided in the horizontal sliding groove to support the nylon roller.

[0007] In some embodiments, the support mechanism includes a support seat, a scissors-type lifting structure and a second hydraulic cylinder, the second hydraulic cylinder is transmission-connected to the scissors-type lifting structure, the support seat is located at the top of the scissors-type lifting structure, and the scissors-type lifting structure is connected to the frame.

[0008] In some embodiments, the scissors lifting structure includes a first support rail, a second support rail, a first connecting rod and a second connecting rod, the support seat is located on the first support rail, the first connecting rod intersects with the second connecting rod and the ends of the first connecting rod and the second connecting rod are connected to the first support rail and the second support rail, the first end of the first connecting rod is pivotally connected to the first support rail, the second end of the first connecting rod is connected to a connecting block, and the connecting block can slide along the second support rail, the first end of the second connecting rod is movably connected to the first support rail through a roller, the second end of the second connecting rod is pivotally connected to the second support rail, and the output end of the second hydraulic cylinder is transmission-connected to the connecting block of the first connecting rod to drive the second end of the first connecting rod to move along the second support rail.

[0009] In some embodiments, the lifting mechanism includes a hook frame, a fixed seat, a tensioning seat, a support seat and a manual wheel seat, the fixed seat is arranged on the first side of the frame, the manual wheel seat is arranged on the second side of the frame, the support seat and the tensioning seat are connected to the frame, the first end of the sling is connected to the fixed seat, the second end of the sling passes through multiple tensioning seats, multiple support seats, and the sling frame and then is entangled with the manual wheel seat, and as the sling moves on the manual wheel seat, the hook frame is driven to move relative to the frame.

[0010] In some embodiments, the manual wheel seat includes a wheel support, a wheel brake seat, a manual wheel, and a wheel brake rod. The wheel support is connected to the machine frame. The wheel support has a sliding groove. The wheel brake seat is connected to one side of the wheel support. The end of the manual wheel is located in the sliding groove and is pivotally connected to the wheel support. A positioning groove is provided on the manual wheel. The wheel brake rod is pivotally connected to the wheel brake seat, and at least part of the wheel brake rod enters the positioning groove to restrain the manual wheel.

[0011] In some embodiments, the workbench includes a moving platform, a slide rail, a third hydraulic cylinder, and a support. The telescopic end of the third hydraulic cylinder is connected to the moving platform through a connecting flange. The moving platform is slidably connected to the slide rail through a support shoe. At least two supports are arranged on the top of the moving platform. The top of the support has an arc-shaped groove for restraining the hob, and a limiting clamp is detachably connected to the support through bolts to restrain the hob.

[0012] In some embodiments, the clamping shaft mechanism includes a clamping shaft seat, a first clamping arm, a second clamping arm, and a fourth hydraulic cylinder. The clamping shaft seat is arranged on the workbench. A slide rail extending along the second direction is provided at the top of the clamping shaft seat. The first clamping arm and the second clamping arm are slidably connected to the slide rail. Rack teeth are provided on one side of the first clamping arm and the second clamping arm adjacent to the inner side of the slide rail. A gear is provided at the center of the slide rail, and both sides of the gear are engaged with the two rack teeth respectively. The telescopic end of the fourth hydraulic cylinder is connected to the first clamping arm.

[0013] In some embodiments, arc-shaped sliding grooves, moving blocks, and positioning bolts are provided on both the first clamping arm and the second clamping arm. At least part of the moving block is located in the arc-shaped sliding groove and slides along the arc-shaped sliding groove. A threaded hole is provided on the moving block, and the positioning bolt is threadedly connected to the moving block.

[0014] In some embodiments, lifting lugs are provided at the edge of the push plate, and a bearing is provided at the center of the clamping plate. The fixed shaft bolt is connected to the bearing. Description of the Drawings

[0015] Figure 1 is a schematic structural diagram of a hydraulic shield cutter head end cover disassembly device according to an embodiment of the present invention.

[0016] Figure 2 is a schematic structural diagram of another angle of the hydraulic shield cutter head end cover disassembly device according to an embodiment of the present invention.

[0017] Figure 3 is a schematic structural diagram of the disassembly mechanism of the hydraulic shield cutter head end cover disassembly device according to an embodiment of the present invention.

[0018] Figure 4 It is a schematic structural diagram of another angle of the disassembly mechanism of the hydraulic shield cutter head end cover disassembly device according to an embodiment of the present invention.

[0019] Figure 5 It is a schematic structural diagram of the driving mechanism of the hydraulic shield cutter head end cover disassembly device according to an embodiment of the present invention.

[0020] Figure 6 It is a schematic structural diagram of the support mechanism of the hydraulic shield cutter head end cover disassembly device according to an embodiment of the present invention.

[0021] Figure 7 It is a schematic structural diagram of the hoisting mechanism of the hydraulic shield cutter head end cover disassembly device according to an embodiment of the present invention.

[0022] Figure 8 is Figure 7 a schematic structural diagram of the manual wheel seat of

[0023] Figure 9 It is a schematic structural diagram of the workbench of the hydraulic shield cutter head end cover disassembly device according to an embodiment of the present invention.

[0024] Figure 10 It is a schematic structural diagram of the clamping shaft mechanism of the hydraulic shield cutter head end cover disassembly device according to an embodiment of the present invention.

[0025] Figure 11 It is a schematic diagram of the use state of the hydraulic shield cutter head end cover disassembly device according to an embodiment of the present invention.

[0026] Reference numerals: 1, frame; 2, disassembly mechanism; 21, chuck; 22, push plate; 23, positioning pin; 24, first bearing; 3, driving mechanism; 31, sliding seat; 32, inclined groove push seat; 33, first hydraulic cylinder; 4, support mechanism; 41, support seat; 42, second hydraulic cylinder; 43, first support track; 44, second support track; 45, first connecting rod; 46, second connecting rod; 5, hoisting mechanism; 51, hook frame; 52, fixed seat; 53, tensioning seat; 54, support seat; 55, manual wheel seat; 551, wheel support; 552, wheel brake seat; 553, manual wheel; 554, wheel brake rod; 6, workbench; 61, moving platform; 62, third hydraulic cylinder; 63, support; 64, limit clamp; 7, clamping shaft mechanism; 71, clamping shaft seat; 72, first clamping arm; 73, second clamping arm; 74, fourth hydraulic cylinder; 75, arc-shaped chute; 76, moving block. Detailed Description of the Invention

[0027] The embodiments of the present invention will be described in detail below, and the examples of the embodiments are shown in the drawings. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0028] According to the hydraulic shield cutter end cover disassembly device of the embodiment of the present invention, the hydraulic shield cutter end cover disassembly device includes a frame 1, a disassembly mechanism 2, a support mechanism 4, a clamping shaft mechanism 7 and a hoisting mechanism 5. A workbench 6 and a driving mechanism 3 are arranged on the frame 1. The workbench 6 can move along a first direction relative to the frame 1. The driving mechanism 3 can reciprocate along a second direction relative to the frame 1. The first direction is perpendicular to the second direction. The disassembly mechanism 2 includes a chuck 21, a push plate 22 and an elastic member. The chuck 21 is connected to the push plate 22 through an elastic member. A first bearing 24 and a plurality of positioning pins 23 are arranged on the push plate 22. The positioning pins 23 are used to cooperate with the positioning roller. The positioning pins 23 are inserted into the roller end cover. The disassembly hole can make the end cover of the hob and the disassembly mechanism perform a spiral action relative to the cutter shaft synchronously), the first bearing 24 is connected to the driving mechanism 3 in a transmission manner, a plurality of first holes are arranged on the chuck 21, and a positioning rod corresponding to the first holes is arranged on the push plate 22, at least part of the positioning rod passes through the first hole, and the elastic member is sleeved on the positioning rod to change the distance between the chuck 21 and the push plate 22. It can be understood that the chuck 21 is connected to the end of the end cover side of the hob to be disassembled through the positioning bolt, so that the elastic member is always in an elastic deformation state, and the push plate 22 is compressed by the elastic member to apply pressure to the push plate 22, so that the push plate 22 is close to the end cover of the hob, and the positioning pin 23 is always tightly combined with the end cover of the hob. The support mechanism 4 is arranged on one side of the workbench 6 to support the disassembly mechanism 2, the clamping shaft mechanism 7 is arranged on the workbench 6, and the clamping shaft mechanism 7 can move along the second direction to clamp the cutter shaft of the hob, and the hoisting mechanism 5 is located on the frame 1 to hoist the disassembly mechanism 2. The disassembly mechanism 2 is fixed by the positioning pin 23 and the hole of the hob end cover or the hole of the locking nut on the hob end cover. The clamping shaft mechanism 7 is used to fix the cutter shaft of the hob. The supporting mechanism 4 is used to support and adjust the disassembly mechanism. The driving mechanism 3 on the frame 1 drives the disassembly mechanism 2 to move to loosen the end cover or the locking nut of the hob to complete the disassembly work, which reduces manual participation and improves the disassembly efficiency, avoiding the safety risks of damaging the hob and injuring people during the disassembly process. Figure 2 The A direction shown in the figure is the first direction, and the B direction is the second direction.

[0029] The hydraulic shield cutter end cover disassembly device according to the embodiment of the present invention has the advantages of little damage to the cutter, good safety and convenient disassembly.

[0030] In some embodiments, the driving mechanism 3 includes a sliding seat 31, a first hydraulic cylinder 33, and an inclined groove push seat 32. The first hydraulic cylinder 33 is located on the frame 1. The output end of the first hydraulic cylinder 33 is connected to the inclined groove push seat 32 through a connecting plate. The inclined groove push seat 32 is provided with an inclined groove for accommodating the first bearing 24. Guide rods are provided on both sides of the inclined groove push seat 32. The corresponding guide rods of the sliding seat 31 are arranged on both sides of the inclined groove push seat 32 and are connected to the frame 1. A horizontal sliding groove is provided on the sliding seat 31. Nylon rollers are provided in the horizontal sliding groove to support the guide rods.

[0031] Specifically, the first hydraulic cylinder 33 is fixed to the frame 1 by bolts. There are two sliding seats 31, which are symmetrically arranged and fixed to the frame 1. The inclined slot on the inclined slot push seat 32 extends obliquely from top to bottom. Guide rods are fixed on both sides of the inclined slot push seat 32. The other end of the guide rod enters the sliding seat 31. The sliding seat 31 is used to constrain the guide rod. Nylon rollers are arranged in the horizontal sliding groove of the sliding seat 31. The nylon rollers can make the movement of the guide rod smoother. The first hydraulic cylinder 33 pushes the inclined slot push seat 32 to move relative to the frame 1 to realize the movement of the inclined slot. As the inclined slot push seat 32 moves, the two nylon rollers rotate relatively in the sliding seat 31. The extension and contraction of the first hydraulic cylinder 33 drives the inclined slot push seat 32 to reciprocate relative to the frame 1.

[0032] In some embodiments, the support mechanism 4 includes a support seat 41, a scissors-type lifting structure and a second hydraulic cylinder 42. The second hydraulic cylinder 42 is transmission-connected to the scissors-type lifting structure. The support seat 41 is located at the top of the scissors-type lifting structure, and the scissors-type lifting structure is connected to the frame 1.

[0033] Specifically, the support seat 41 is used to support the disassembly mechanism 2. The scissors-type lifting structure is driven by the second hydraulic cylinder 42 to deform and lift, driving the support seat 41 to move up and down to change the height of the support seat 41 to support the disassembly mechanism 2. It can cooperate with the lifting mechanism 5 to complete the placement and detachment of the disassembly mechanism 2, providing stable support and ensuring the safety and stability of the disassembly process.

[0034] In some embodiments, the scissor lift structure includes a first support rail 43, a second support rail 44, a first connecting rod 45 and a second connecting rod 46. The support base 41 is located on the first support rail 43. The first connecting rod 45 intersects with the second connecting rod 46, and the ends of the first connecting rod 45 and the second connecting rod 46 are connected to the first support rail 43 and the second support rail 44. The first end of the first connecting rod 45 is pivotally connected to the first support rail 43. A connecting block is connected to the second end of the first connecting rod 45, and the connecting block is slidable along the second support rail 44. The first end of the second connecting rod 46 is movably connected to the first support rail 43 through a roller, and the second end of the second connecting rod 46 is pivotally connected to the second support rail 44. The output end of the second hydraulic cylinder 42 is drivingly connected to the connecting block of the first connecting rod 45 to drive the second end of the first connecting rod 45 to move along the second support rail 44.

[0035] Specifically, the support base 41 is fixedly connected to the first support rail 43. The support base 41 is located at the center of the top of the first support rail 43. Both the first support rail 43 and the second support rail 44 include two U-shaped structural plates with opposite opening directions. The ends of the first connecting rod 45 and the second connecting rod 46 are located inside the openings of the U-shaped structural plates. The output end of the second hydraulic cylinder 42 is fixedly connected to the connecting block through a rod. As the output end of the second hydraulic cylinder 42 expands and contracts, the connecting block moves relative to the second support rail 44, thereby driving the first support rail 43 to rise or fall relative to the second support rail 44, and completing the displacement of the support base 41 in the vertical direction.

[0036] In some embodiments, the hoisting mechanism 5 includes a hook frame 51, a fixed seat 52, a tensioning seat 53, a support base 41 and a handwheel seat 55. The fixed seat 52 is arranged on the first side of the frame 1, and the handwheel seat 55 is arranged on the second side of the frame 1. The support base 41 and the tensioning seat 53 are connected to the frame 1. The first end of the sling is connected to the fixed seat 52, and the second end of the sling passes through a plurality of tensioning seats 53, a plurality of support bases 41, and the sling rack and then winds around the handwheel seat 55. As the sling rotates on the handwheel seat 55, the position of the hook frame 51 relative to the frame 1 is driven to move.

[0037] Specifically, the fixed seat 52 of the hoisting mechanism 5 is a Z-shaped support 63. The Z-shaped support 63 is fixed to the frame 1. A round bar is welded on the Z-shaped branch pipe to fix the sling. A sliding groove is provided on the support seat 41, and nylon rollers are arranged in the sliding groove to support the sling. A sliding groove is provided on the tensioning seat 53, and the nylon rollers slide along the sliding groove to adjust the tension of the sling by the tensioning seat 53. The hook frame 51 includes an arc panel, a hook rod and nylon rollers. The hook is connected to the hook rod through a shaft pin. The sling passes through the hook rod of the hook frame 51. Adjusting the tension of the sling can change the hanging height of the hook frame 51, realizing the movement of the hoisting mechanism 5 to the disassembly mechanism 2, which is more time-saving and labor-saving. The sling is wound around the manual wheel seat 55 to store the excess sling, and the sling can be relaxed and the hanging height can be reduced by releasing the sling along with the manual wheel seat 55.

[0038] In some embodiments, the manual wheel seat 55 includes a wheel support 551, a wheel brake seat 552, a manual wheel 553 and a wheel brake rod 554. The wheel support 551 is connected to the frame 1. The wheel support 551 has a sliding groove. The wheel brake seat 552 is connected to one side of the wheel support 551. The end of the manual wheel 553 is located in the sliding groove and is pivotally connected to the wheel support 551. A positioning groove is provided on the manual wheel 553. The wheel brake rod 554 is pivotally connected to the wheel brake seat 552. At least part of the wheel brake rod 554 enters the positioning groove to restrain the manual wheel 553.

[0039] Specifically, the wheel support 551 of the manual wheel seat 55 is used to restrict and restrain the manual wheel 553. The manual wheel 553 can rotate relative to the wheel support 551. The sliding groove on the wheel support 551 is used to restrict the manual wheel 553 to prevent the manual wheel 553 from disengaging. The wheel brake seat 552 is used to fix the wheel brake rod 554. When it is necessary to fix the sling to prevent the hanging height from changing, the wheel brake rod 554 penetrates into the positioning groove on the manual wheel 553 to lock the manual wheel 553 and prevent it from rotating. When it is necessary to relax or tighten the sling, rotate the wheel brake rod 554 to make it disengage from the positioning groove and move away from the manual wheel 553, and unlock the manual wheel 553 to rotate the manual wheel 553 to adjust the tightness of the sling.

[0040] In some embodiments, the workbench 6 includes a moving platform 61, a slide rail, a third hydraulic cylinder 62 and a support 63. The telescopic end of the third hydraulic cylinder 62 is connected to the moving platform 61 through a connecting flange. The moving platform 61 is slidably connected to the slide rail through a support shoe. At least two supports 63 are arranged on the top of the moving platform 61. The top of the support 63 has an arc-shaped groove for restraining the hob. The limit clamp 64 is detachably connected to the support 63 through bolts to restrain the hob.

[0041] Specifically, the third hydraulic cylinder 62 is connected to the moving platform 61 through a connecting flange. One end of the moving platform 61 is provided with a four-hole connecting seat for cooperating with the connecting flange for fixation. As the telescopic end of the third hydraulic cylinder 62 works, the moving platform 61 moves relative to the frame 1 in the first direction. The bottom of the moving platform 61 is provided with support shoes, and the side surface of the slide rail is slidably matched with the support shoes. The support shoes slide along the slide rail. The support 63 is arranged on the moving platform 61. The moving platform 61 is provided with a waist-shaped hole, and a bolt passes through the support 63 and is threadedly connected to the waist-shaped hole to fix the support 63 to the moving platform 61. The waist-shaped hole can also extend a certain distance in the first direction to facilitate adjusting the positions of the two supports 63 on the moving platform 61. The arc-shaped groove at the top of the support 63 can be fitted with the cutter body of the hob, improving the constraint effect. Adjusting the positions of the two supports 63 on the waist-shaped hole can change the distance between the two supports to adapt to hobs of different specifications. Optionally, an arc-shaped backing plate is installed on the arc-shaped groove to protect the hob. The limit clamp 64 is arc-shaped. The limit clamp 64 and the arc-shaped groove at the top of the support 63 are combined to form a circular closed space for constraining both ends of the hob. The two supports 63 complete the support and constraint of the hob through the cooperation of the two limit clamps, which can prevent the hob from rotating and facilitate the disassembly mechanism 2 to carry out disassembly.

[0042] In some embodiments, the clamping shaft mechanism 7 includes a clamping shaft seat 71, a first clamping arm 72, a second clamping arm 73, and a fourth hydraulic cylinder 74. The clamping shaft seat 71 is arranged on the workbench 6. The top of the clamping shaft seat 71 is provided with a slide rail extending in the second direction. The first clamping arm 72 and the second clamping arm 73 are slidably connected to the slide rail. The first clamping arm 72 and the second clamping arm 73 are provided with racks on the inner side adjacent to the slide rail. A gear is arranged at the center of the slide rail. Both sides of the gear are meshed with the two racks respectively. The telescopic end of the fourth hydraulic cylinder 74 is connected to the first clamping arm 72.

[0043] Specifically, the clamping shaft seat 71 is used to guide the movement of the first clamping arm 72 and the second clamping arm 73. The slide rail extending in the second direction facilitates the smooth movement of the first clamping arm 72 and the second clamping arm 73 along it. The racks and the gear are meshed and cooperated. When the fourth hydraulic cylinder 74 pushes the first clamping arm 72 to move in the second direction, the rack reacts to drive the gear to rotate, and then drives the rack on the other side of the slide rail to move in the reverse direction, thereby driving the second clamping arm 73 to move relative to the first clamping arm 72. It can be understood that the first clamping arm 72 and the second clamping arm 73 are each fixedly connected to a rack. The first clamping arm 72 and the second clamping arm 73 both slide along the slide rail. The openings of the first clamping arm 72 and the second clamping arm 73 face each other to clamp the cutter shaft of the hob, prevent it from rotating, further fix the hob, improve the constraint effect on it, and ensure safety.

[0044] In some embodiments, arc-shaped sliding grooves 75, moving blocks, and positioning bolts are provided on both the first clamping arm 72 and the second clamping arm 73. At least part of the moving block is located within the arc-shaped sliding groove 75 and slides along the arc-shaped sliding groove 75. A threaded hole is provided on the moving block, and the positioning bolt is threadedly connected to the moving block.

[0045] Specifically, the arc-shaped sliding grooves 75 on the two clamping arms are arranged along their clamping areas. It can be understood that the first clamping arm 72 and the second clamping arm 73 are symmetric about the gear. The movement of the moving block along the arc-shaped sliding groove 75 can complete the adjustment of the position of the positioning bolt. Rotating the positioning bolt until the end of the positioning bolt abuts against the hob shaft can further fix the shaft. The hole on the moving block is an internal threaded hole, and the positioning bolt is threadedly connected to the moving block.

[0046] In some embodiments, lugs are provided at the edge of the push plate 22, and a bearing is provided at the center of the chuck 21. The fixed-axis bolt passes through the bearing and is connected to the hob.

[0047] Specifically, the lugs at the edge of the push plate 22 cooperate with the hanging mechanism, which facilitates the hanging mechanism to hang the push plate 22. The fixed-axis bolt passes through the bearing arranged inside the chuck 21 and is threadedly connected and fixed to the end bolt hole of the hob shaft, which can realize the connection between the disassembly mechanism 2 and the hob. Under the elastic potential energy of the elastic member, the push plate is kept pressed against the end cover or the lock nut of the hob. This can prevent the disassembly mechanism 2 from detaching from the hob and facilitate the next disassembly work of the end cover or the lock nut of the hob.

[0048] The working process is as follows:

[0049] First, according to the size of the hob hub, adjust the positions of the two supports 63 on the moving platform 61 to adapt to the size of the hob, and then place the hob on the supports 63 with the threaded upper end cover facing the side adjacent to the disassembly mechanism 2;

[0050] Start the second hydraulic cylinder 42 to drive the support seat 41 to move downward. At this time, the lower support of the disassembly mechanism 2 is released, and the disassembly mechanism 2 is in a suspended state under the action of the hanging mechanism 5. Start the third hydraulic cylinder 62 to push the moving platform 61 towards the disassembly mechanism 2 and stop after reaching the appropriate position. Adjust the angle of the hob, and at the same time finely adjust the posture of the disassembly mechanism 2 so that the positioning pins 23 of the disassembly mechanism 2 are completely inserted into the 4 pin holes of the hob end cover (it can be understood that pin holes are provided on the end cover or lock nut of the hob for convenient disassembly and positioning, and the number and position of the pin holes change according to the hob adjustment). Pass the positioning bolt through the chuck 21 and screw it onto the right end of the hob shaft to press-fit the disassembly mechanism 2 with the hob end cover. At this time, the first bearing 24 of the disassembly mechanism 2 enters the inclined slot of the inclined slot push seat 32 and is in the inclined plane position; release the wheel brake lever 554, remove the hook, rotate the manual wheel 553 to tighten the sling, so that the hook bracket 51 retracts to the top of the frame 1. At this time, pull the wheel brake lever 554 again to lock the manual wheel 553; lock the limit hoop 64 on the support 63, start the fourth hydraulic cylinder 74 to push the first clamping arm 72 and the second clamping arm 73 to act towards each other, clamp the left end of the hob shaft, move the moving blocks on the first clamping arm 72 and the second clamping arm 73, and screw the positioning bolt so that the end of the positioning bolt abuts against the plane of the hob shaft to completely fix the hob; start the first hydraulic cylinder 33 to push the inclined slot push rod to move, and then drive the disassembly mechanism 2 to drive the hob end cover (or lock nut) to make a circular motion. When the inclined slot push seat 32 reaches the limit position, the first hydraulic cylinder 33 contracts. Under the action of inertia and the inclined slot of the inclined slot push seat 32, the disassembly mechanism 2 drives the hob end cover (or lock nut) to make a circular motion. The push plate 22 of the disassembly mechanism 2 is pushed in the reverse direction by the end cover (or lock nut), compresses the elastic member, and makes a slow spiral motion relative to the chuck 21 and the hob shaft. Repeat this process to complete the thread loosening of the hob lock nut and the shaft; control the first hydraulic cylinder 33, release the wheel brake lever 554 of the manual wheel seat 55 of the hanging mechanism, hang the hook in the ear of the disassembly mechanism 2, lock the wheel brake lever 554, and unscrew the fixed shaft bolt. At this time, the disassembly mechanism 2 is separated from the hob. Control the third hydraulic cylinder 62 to retract, the moving platform 61 moves away from the disassembly mechanism 2, and remove the hob end cover to complete the disassembly work of the hob end cover.

[0051] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

[0052] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0053] In the present invention, unless otherwise clearly defined and limited, terms such as "mounted", "connected", "coupled", "fixed", etc. shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or communicable with each other; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0054] In the present invention, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "below" and "beneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0055] In the present invention, terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0056] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Any changes, modifications, substitutions, and variations made by those of ordinary skill in the art to the above embodiments are within the protection scope of the present invention.

Claims

1. A hydraulic shield cutter end cover removal device, characterized in that: include: A frame, wherein a workbench and a driving mechanism are arranged on the frame, wherein the workbench can move relative to the frame in a first direction, and the driving mechanism can reciprocate relative to the frame in a second direction, wherein the first direction is perpendicular to the second direction; A disassembly mechanism, the disassembly mechanism comprising a chuck, a push plate and an elastic member, the chuck and the push plate are connected by the elastic member, a first bearing and a plurality of positioning pins are arranged on the push plate, the positioning pins are used to cooperate with the positioning hob, the first bearing is connected to the driving mechanism in a transmission manner, a plurality of first holes are arranged on the chuck, positioning rods corresponding to the first holes are arranged on the push plate, at least part of the positioning rods pass through the first holes, and the elastic member is sleeved on the positioning rods to change the distance between the chuck and the push plate; A supporting mechanism, the supporting mechanism being arranged on one side of the workbench to support the disassembly mechanism; A shaft clamping mechanism, the shaft clamping mechanism is arranged on the workbench, and the shaft clamping mechanism can move along the second direction to clamp the cutter shaft of the hob; A hoisting mechanism is located on the frame and is used to hoist the disassembly mechanism to achieve placement and displacement of the disassembly mechanism in a non-working state.

2. The hydraulic shield cutter end cover disassembly device according to claim 1 is characterized in that: The driving mechanism includes a sliding seat, a first hydraulic cylinder, and an inclined slot push seat. The first hydraulic cylinder is located on the frame. The output end of the first hydraulic cylinder is connected to the inclined slot push seat through a connecting plate. The inclined slot push seat is provided with an inclined slot for accommodating the first bearing. Guide rods are provided on both sides of the inclined slot push seat. The sliding seat is arranged on both sides of the inclined slot push seat corresponding to the guide rods and is connected to the frame. A horizontal sliding slot is provided on the sliding seat. Nylon rollers are provided in the horizontal sliding slot to support the guide rods.

3. The hydraulic shield cutter end cover disassembly device according to claim 1 is characterized in that: The support mechanism includes a support seat, a scissors-type lifting structure and a second hydraulic cylinder, the second hydraulic cylinder is transmission-connected to the scissors-type lifting structure, the support seat is located at the top of the scissors-type lifting structure, and the scissors-type lifting structure is connected to the frame.

4. The hydraulic shield cutter end cover disassembly device according to claim 3 is characterized in that: The scissors lift structure includes a first support rail, a second support rail, a first connecting rod and a second connecting rod, the support seat is located on the first support rail, the first connecting rod intersects with the second connecting rod and the ends of the first connecting rod and the second connecting rod are connected to the first support rail and the second support rail, the first end of the first connecting rod is pivotally connected to the first support rail, the second end of the first connecting rod is connected to a connecting block, and the connecting block can slide along the second support rail, the first end of the second connecting rod is movably connected to the first support rail through a roller, the second end of the second connecting rod is pivotally connected to the second support rail, and the output end of the second hydraulic cylinder is transmission-connected to the connecting block of the first connecting rod to drive the second end of the first connecting rod to move along the second support rail.

5. The hydraulic shield cutter end cover disassembly device according to claim 1 is characterized in that: The lifting mechanism includes a hook frame, a fixed seat, a tensioning seat, a support seat and a manual wheel seat, the fixed seat is arranged on a first side of the frame, the manual wheel seat is arranged on a second side of the frame, the support seat and the tensioning seat are connected to the frame, the first end of the sling is connected to the fixed seat, the second end of the sling passes through a plurality of the tensioning seats, a plurality of the support seats, and the sling frame and then is entangled with the manual wheel seat, and as the sling moves on the manual wheel seat, the hook frame is driven to move relative to the frame.

6. The hydraulic shield cutter end cover disassembly device according to claim 5 is characterized in that: The manual wheel seat includes a wheel support seat, a wheel brake seat, a manual wheel and a wheel brake lever. The wheel support seat is connected to the frame. The wheel support seat is provided with a sliding groove. The wheel brake seat is connected to one side of the wheel support seat. The end of the manual wheel is located in the sliding groove and is pivotally connected to the wheel support seat. A positioning groove is provided on the manual wheel. The wheel brake lever is pivotally connected to the wheel brake seat. At least part of the wheel brake lever enters the positioning groove to constrain the manual wheel.

7. The hydraulic shield cutter end cover disassembly device according to claim 1 is characterized in that: The workbench includes a mobile platform, a slide rail, a third hydraulic cylinder and a support. The telescopic end of the third hydraulic cylinder is connected to the mobile platform through a connecting flange. The mobile platform is slidably connected to the slide rail through a support shoe. At least two supports are arranged on the top of the mobile platform. The top of the support has an arc groove for constraining the hob. The limit clamp is detachably connected to the support through bolts to constrain the hob.

8. The hydraulic shield cutter end cover disassembly device according to claim 1 is characterized in that: The shaft clamping mechanism includes a shaft clamping seat, a first clamping arm, a second clamping arm and a fourth hydraulic cylinder. The shaft clamping seat is arranged on the workbench. A slide rail extending along the second direction is arranged on the top of the shaft clamping seat. The first clamping arm and the second clamping arm are slidably connected to the slide rail. A rack is arranged on one side of the first clamping arm and the second clamping arm adjacent to the inner side of the slide rail. A gear is arranged at the center of the slide rail. Both sides of the gear are respectively meshed with the two racks. The telescopic end of the fourth hydraulic cylinder is connected to the first clamping arm.

9. The hydraulic shield cutter end cover disassembly device according to claim 8, characterized in that: The first clamp arm and the second clamp arm are both provided with an arc-shaped slide groove, a moving block and a positioning bolt, at least part of the moving block is located in the arc-shaped slide groove and slides along the arc-shaped slide groove, a threaded hole is provided on the moving block, and the positioning bolt is threadedly connected to the moving block.

10. The hydraulic shield cutter end cover disassembly device according to claim 1, characterized in that: A lifting lug is arranged at the edge of the push plate, a bearing is arranged at the center of the clamping plate, and when the disassembling mechanism is working, the fixed axis bolt passes through the bearing and is connected to the cutter shaft of the hob.

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