CN113833486A - Multifunctional cantilever type tunnel boring machine - Google Patents
Multifunctional cantilever type tunnel boring machine Download PDFInfo
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- CN113833486A CN113833486A CN202111427495.2A CN202111427495A CN113833486A CN 113833486 A CN113833486 A CN 113833486A CN 202111427495 A CN202111427495 A CN 202111427495A CN 113833486 A CN113833486 A CN 113833486A
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- 230000007246 mechanism Effects 0.000 claims abstract description 90
- 238000005553 drilling Methods 0.000 claims abstract description 41
- 238000009434 installation Methods 0.000 claims abstract description 30
- 230000005641 tunneling Effects 0.000 claims abstract description 24
- 230000007723 transport mechanism Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 238000009412 basement excavation Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 24
- 238000010276 construction Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 15
- 239000002893 slag Substances 0.000 description 6
- 238000005422 blasting Methods 0.000 description 5
- 239000011435 rock Substances 0.000 description 4
- 230000032258 transport Effects 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000010297 mechanical methods and process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000006833 reintegration Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/122—Working or loading platforms
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Geochemistry & Mineralogy (AREA)
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Abstract
The invention discloses a multifunctional cantilever type tunnel boring machine which comprises two support mounting mechanisms and an arch frame conveying mechanism, wherein the two support mounting mechanisms are respectively arranged on the left side and the right side of a boring machine body; the support mounting mechanism comprises an anchor rod drilling machine assembly and an arch frame mounting assembly; the arch frame installation assembly is positioned above the anchor rod drilling machine assembly, and after the arch frame installation assembly completes the assembly of the arch frame, the anchor rod drilling machine assembly extends out to lock the arch frame and fix the anchor rod; according to the invention, the tunneling operation and the supporting operation are integrated, so that the machine does not need to be withdrawn after excavation, and the tunneling efficiency of the roadway is improved.
Description
Technical Field
The invention relates to the field of tunneling construction equipment, in particular to a multifunctional cantilever type tunnel boring machine.
Background
The existing roadway construction mainly comprises a drilling and blasting method and a cantilever type tunnel boring machine construction method, wherein the drilling and blasting method has heavy pollution to the environment and uncertain factors in the aspect of safety exist, so the construction method is gradually replaced by a mechanical method construction method, the mechanical method construction mainly comprises the construction of a drill jumbo, a shield method and a tunnel boring machine, the shield method is suitable for long-distance construction due to high construction cost, the drill jumbo is mainly used for drilling, and blasting needs to be carried out by explosive, so the cantilever type tunnel boring machine is mainly used for the construction of a short and small roadway with special working conditions by the pure mechanical method, and the construction of the tunnel boring machine is a selection of a different method particularly for a hard working condition.
The method has the advantages that the simple cantilever type tunnel boring machine needs to be withdrawn after excavation is finished in the tunnel excavation process, support operation is carried out by switching to the support equipment, and certain potential safety hazards exist in the process that the boring machine is withdrawn and the support equipment enters the field aiming at the construction site with poor surrounding rock grade, so that the problem that the cantilever type tunnel boring machine has a single excavation function is very necessary to be solved, the potential safety hazards caused by the fact that the main machine is withdrawn after excavation operation is finished and the surrounding rock grade difference can be effectively solved by the method that the tunnel boring machine integrates the support function into the boring machine, and tunnel operation is promoted to be diversified.
The Chinese utility model with the application number of CN201920963970.X in the prior art, which is specially favorable for 2020, 04, 24 and discloses a multifunctional tunnel boring machine, which comprises a boring machine body, two sliding tables and a beam erecting mechanism, wherein the two sliding tables are respectively arranged on the left side and the right side of the boring machine body; the two beam erecting mechanisms are respectively arranged on the two sliding tables, a sliding driving mechanism is arranged between the beam erecting mechanism and the sliding tables, and the sliding driving mechanism drives the beam erecting mechanism to reciprocate. The beam erecting mechanism comprises a beam erecting frame and a workbench, and the workbench is arranged at the end part of the beam erecting frame and used for grabbing and assembling beam bodies. Although this scheme discloses that frame roof beam mechanism is used for snatching and assembling of bow member, realizes mechanized operation to a certain extent, has reduced intensity of labour, the defect lies in not having further automatic stock of realization to fix and mechanical material loading, still needs manual operation.
The Chinese utility model with the application number of CN201320850483.5 in the prior art specially facilitates 2014 07, 30 discloses a multifunctional tunnel boring machine, which comprises a cantilever boring machine, an arch frame mounting machine, an onboard jumbolter and an onboard wet blasting machine; the arch frame installing machine is arranged above the front part of the cantilever tunneling machine, the airborne jumbolter is arranged on the side surface of the cantilever tunneling machine, and the airborne wet blasting machine is also arranged on the side surface of the cantilever tunneling machine. This scheme discloses bow member mounting plate, machine carries roofbolter, has simplified the installation of steel bow member to a certain extent, has reduced operation personnel's quantity, has reduced operation personnel's intensity of labour, but the defect lies in, and the cooperation degree is comparatively simple between bow member mounting plate and the machine carries roofbolter, and integrates the structure of bow member mounting plate on the cutting arm, operates inconveniently, is difficult to the automatic material loading equipment of reintegration, needs artifical transport.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a multifunctional cantilever type tunnel boring machine which integrates the boring operation and the supporting operation, so that the machine does not need to be withdrawn after excavation, and the tunneling efficiency of a roadway is improved.
In order to achieve the purpose, the invention adopts the technical scheme that:
a multifunctional cantilever type tunnel boring machine comprises a boring machine body, wherein the boring machine body comprises a walking chassis, a cutting head, a cutting arm, a shovel part and a conveyor, and comprises two supporting and mounting mechanisms and an arch frame conveying mechanism, wherein the two supporting and mounting mechanisms are respectively arranged on the left side and the right side of the boring machine body; the support mounting mechanism comprises an anchor rod drilling machine assembly and an arch mounting assembly; the arch frame mounting assembly is positioned above the jumbolter assembly, the arch frame conveying mechanism is used for hoisting an arch frame positioned behind the heading machine body to the front end of the arch frame mounting assembly, and the arch frame mounting assembly is used for clamping and assembling the arch frame; after the arch center mounting assembly completes the assembly of the arch center, the anchor rod drilling machine assembly stretches out to perform foot locking anchor rod drilling operation on the arch center; in the process that the supporting and installing mechanism on one side carries out primary positioning of the arch centering or anchor rod fixing, the arch centering conveying mechanism can convey the next arch centering to the front to be butted with the supporting and installing mechanism on the other side.
The excavator realizes the excavating function through the cutting head and the cutting arm, the excavated slag is conveyed to a rear slag car through the shovel part and the conveyer, the front and rear transportation of the arch is realized through the arch conveying mechanism, the assembly and the primary positioning of the arch are realized through the arch mounting assembly, and the primarily positioned arch is fixed through the jumbolter assembly.
The heading machine integrates the heading operation and the supporting operation into a whole by integrating various functional components, so that the heading machine does not need to be withdrawn after excavation, and the heading efficiency of a roadway is improved.
Compared with the prior art, the invention has the key points that firstly, two supporting installation mechanisms are arranged at the left side and the right side of the development machine body, and an arch frame conveying mechanism is arranged between the two supporting installation mechanisms; the arch frame conveying mechanism lifts the rear arch frame to the front to be butted with the arch frame mounting assembly, so that mechanical conveying of the arch frame and mechanical uploading of the arch frame mounting assembly are realized, manual conveying and manual uploading processes are reduced in the whole process, and construction efficiency is improved;
secondly, the support mounting mechanism comprises an anchor rod drilling machine assembly and an arch centering mounting assembly, namely, the functions of preliminary positioning of an arch centering and subsequent anchor rod fixing are mechanically integrated, manual operation is replaced by mechanical operation, and the efficiency of support operation is further improved;
thirdly, the method integrates the idea of assembly line operation, and in the process that the supporting and mounting mechanism on one side carries out preliminary positioning of the arch centering or the anchor rod is fixed, the arch centering conveying mechanism can hoist the next arch centering to the front to be butted with the supporting and mounting mechanism on the other side; that is to say, the two sides are strutted the installation mechanism and are independently operated, accomplish the fixed of every bow member in proper order to reduce latency, promote the efficiency of strutting the operation greatly.
Specifically, in some embodiments, two sides of the heading machine body are respectively provided with a primary sliding platform, a secondary sliding platform is installed on the upper side of the primary sliding platform, and the sliding directions of the primary sliding platform and the secondary sliding platform are the same; the rear end of the arch center mounting assembly is fixedly mounted on the primary sliding platform; and the rear end of the jumbolter component is fixedly arranged on the secondary sliding platform. Through setting up the two-stage platform that slides, make bow member installation component and roofbolter subassembly can reach the arbitrary position of the place ahead tunnelling, through set up the two-stage platform that slides on the one-level platform that slides, make roofbolter subassembly can move forward for bow member installation component to reduce the required total length of roofbolter subassembly, be convenient for the integrated installation of roofbolter subassembly and bow member installation component.
Specifically, in some embodiments, the jumbolter assembly comprises a drill boom and a drilling machine, wherein the drill boom comprises a telescopic main boom and a telescopic secondary boom, the end of the telescopic main boom is hinged with a first mounting seat, the first mounting seat is fixedly connected with the secondary sliding platform, the telescopic secondary boom is connected with the drilling machine through two rotary speed reducers which are sequentially connected, and the drilling machine is used for drilling anchor rod holes in the positions of support legs at two ends of an arch frame. The two rotary speed reducers realize the up-down and left-right swinging function of the drilling machine, so that the drilling machine can be recovered and folded at the lower side of the drill boom during tunneling operation, and is more convenient to integrate and install; after drilling the anchor rod hole, the inserted rod welding operation is carried out manually.
Specifically, in some embodiments, the arch mounting assembly comprises an arch arm, a hanging basket and a clamping mechanism, the arch arm comprises a telescopic outer arm and a telescopic inner arm, a second mounting seat is hinged to the end of the telescopic outer arm, and the second mounting seat is rotatably connected with the primary sliding platform; the upper side of the end part of the telescopic inner arm is connected with a rotary supporting seat, the upper side of the rotary supporting seat is fixedly provided with the hanging basket, and the rotary supporting seat is hinged with the clamping mechanism. An operator is positioned in the hanging basket, and controls the expansion, the up-down and left-right swinging of the arch arm and the clamping action of the clamping mechanism by controlling operation buttons of various hydraulic elements, so as to realize the mechanical operation of arch center installation.
Specifically, in some embodiments, the clamping mechanism includes a clamping telescopic arm, one end of the clamping telescopic arm is connected with the hydraulic clamping jaw, the other end of the clamping telescopic arm is rotatably connected with the rotary supporting seat, and a rotating surface of the clamping telescopic arm is perpendicular to a rotating surface of the rotary supporting seat. The concrete process of bow member transport mechanism and bow member installation component butt joint does, and when bow member transport mechanism transported the bow member of rear to fixture's side, the gyration supporting seat drove fixture rotatory, made the flexible arm of centre gripping perpendicular with the bow member, then the flexible arm luffing motion of centre gripping makes hydraulic pressure clamping jaw aim at the bow member, then the flexible arm extension of centre gripping makes hydraulic pressure clamping jaw grasp the roof beam body of bow member.
Specifically, in some embodiments, a first hydraulic cylinder is connected between the telescopic outer arm and the second mounting seat, the telescopic inner arm includes an L-shaped support arm connected to the rotary support seat and a fixed arm connected to the telescopic outer arm, the L-shaped support arm is hinged to the fixed arm, and a second hydraulic cylinder is arranged between the L-shaped support arm and the fixed arm. The hanging basket on the L-shaped supporting arm is always in a horizontal state during supporting operation by controlling the L-shaped supporting arm to rotate a proper angle relative to the fixing arm.
Specifically, in some embodiments, the arch frame transportation mechanism comprises a hoisting assembly and a transportation slide rail; the tunneling machine body is provided with an installation clamping plate, the transportation slide rail is fixedly arranged on the upper side of the installation clamping plate, and the transportation slide rail drives the hoisting assembly to move back and forth; the hoisting assembly comprises a multi-shaft mechanical arm and a cable roller, one end of a cable is discharged from the end part of the multi-shaft mechanical arm, and the lower end of the cable is connected with an arch clamping jaw. The multi-shaft mechanical arm enables the arch clamping jaw at the end part of the cable to be aligned to the arch beam body through displacement and rotation adjustment in multiple directions, and the cable is retracted through rotation of the control cable roller, so that the arch is lifted.
Specifically, in some embodiments, the multifunctional cantilever type tunnel boring machine comprises a cable reel, an electric cabinet, a pump station and a hydraulic system, wherein the cable reel and the electric cabinet are arranged on one side of the rear end of the boring machine body, the pump station is arranged on the other side of the rear end of the boring machine body, and the hydraulic system is used for providing driving force for the support mounting mechanism.
During tunneling operation, the two arch arms are retracted and offset in opposite directions by different degrees, the drill boom and the drilling machine are completely retracted, the drilling machine is placed under the drill boom, the whole drill boom is horizontally placed, and the arch frame conveying mechanism is fixed behind the tunneling machine body in a folded minimum state; the cutting head cuts rocks by rotating the cutting arm up and down, left and right, and the shovel part and the conveyor convey slag to the rear of the development machine body.
During supporting operation, the arch frame conveying mechanism lifts the arch frame behind the tunneling machine body through rotation and back-and-forth sliding action, rotates and moves to the front of the tunneling machine body, and the arch frame mounting assembly performs arch erecting operation; the arch center mounting assembly performs assembling operation on a section of arch center by utilizing the forward and backward sliding, the stretching, the left and right rotating and the lifting of the arch arm, and a clamping mechanism of the arch center mounting assembly can reach any position in the cutting range of the development machine.
Compared with the prior art, the invention has the beneficial effects that:
1. two supporting and installing mechanisms are arranged on the left side and the right side of the development machine body, and an arch frame conveying mechanism is arranged between the two supporting and installing mechanisms; the arch frame conveying mechanism lifts the rear arch frame to the front to be butted with the arch frame mounting assembly, so that mechanical conveying of the arch frame and mechanical uploading of the arch frame mounting assembly are realized, manual conveying and manual uploading processes are reduced in the whole process, and construction efficiency is improved;
2. the support mounting mechanism comprises an anchor rod drilling machine assembly and an arch centering mounting assembly, namely, the functions of preliminary positioning of an arch centering and subsequent anchor rod fixing are mechanically integrated, manual operation is replaced by mechanical operation, and the efficiency of support operation is further improved;
3. the invention integrates the idea of assembly line operation, and in the process of primary positioning of the arch centering or anchor rod fixing of the supporting and mounting mechanism at one side, the arch centering conveying mechanism can hoist the next arch centering to the front to be butted with the supporting and mounting mechanism at the other side; that is to say, the two sides are strutted the installation mechanism and are independently operated, accomplish the fixed of every bow member in proper order to reduce latency, promote the efficiency of strutting the operation greatly.
Drawings
Figure 1 is a front view of a multi-functional boom tunnel boring machine of the present invention;
figure 2 is a top plan view of a multi-function boom tunnel boring machine of the present invention;
FIG. 3 is a perspective view of the arch mounting assembly of the present invention;
FIG. 4 is a perspective view of the jumbolter assembly of the present invention;
FIG. 5 is a perspective view of the arch transport mechanism of the present invention;
in the figure: 1. a walking chassis; 2. a cutting head; 3. a cutting arm; 4. a shovel plate portion; 5. a conveyor; 6. an arch frame transport mechanism; 7. a jumbolter assembly; 8. an arch mount assembly; 9. a drill boom; 10. a drilling machine; 11. a first mounting seat; 12. an arch arm; 13. a hanging basket; 14. a clamping mechanism; 15. a second mounting seat; 16. a rotary supporting seat; 17. clamping a telescopic arm; 18. a hydraulic clamping jaw; 19. a first hydraulic oil cylinder; 20. an L-shaped support arm; 21. a transport slide rail; 22. installing a clamping plate; 23. a multi-axis robotic arm; 24. an arch clamping jaw; 25. a cable drum; 26. and a second hydraulic oil cylinder.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "front", "rear", "left", "right", etc. indicate positional relationships that are all based on the heading machine advancing direction, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1 to 4, a multifunctional cantilever type tunnel boring machine comprises a boring machine body, wherein the boring machine body comprises a walking chassis 1, a cutting head 2, a cutting arm 3, a shovel plate part 4 and a conveyor 5, and comprises two support mounting mechanisms respectively arranged at the left side and the right side of the boring machine body and an arch frame conveying mechanism 6 arranged between the two support mounting mechanisms; the support mounting mechanism comprises an anchor rod drilling machine assembly 7 and an arch mounting assembly 8; the arch frame mounting assembly 8 is located above the jumbolter assembly 7, the arch frame conveying mechanism 6 is used for hoisting an arch frame located behind the heading machine body to the front end of the arch frame mounting assembly 8, and the arch frame mounting assembly 8 is used for clamping and assembling the arch frame; after the arch center installation assembly 8 finishes assembling the arch center, the anchor rod drilling machine assembly 7 extends out to perform foot locking anchor rod drilling operation on the arch center; in the process that the supporting and mounting mechanism on one side carries out primary positioning of the arch centering or anchor rod fixing, the arch centering conveying mechanism 6 can convey the next arch centering to the front to be butted with the supporting and mounting mechanism on the other side.
The heading machine realizes the digging function through the cutting head 2 and the cutting arm 3, the dug slag is conveyed to a rear slag car through the shovel plate part 4 and the conveyer 5, the front and back transportation of an arch is realized through the arch conveying mechanism 6, the assembly and the primary positioning of the arch are realized through the arch mounting assembly 8, and the primarily positioned arch is fixed through the jumbolter assembly 7.
The heading machine integrates the heading operation and the supporting operation into a whole by integrating various functional components, so that the heading machine does not need to be withdrawn after excavation, and the heading efficiency of a roadway is improved.
Compared with the prior art, the invention has the key points that firstly, two supporting installation mechanisms are arranged at the left side and the right side of the development machine body, and an arch frame conveying mechanism 6 is arranged between the two supporting installation mechanisms; the arch frame conveying mechanism 6 lifts the rear arch frame to the front to be butted with the arch frame mounting assembly, so that mechanical conveying of the arch frame and mechanical loading of the arch frame mounting assembly 8 are realized, the processes of manual conveying and manual loading are reduced in the whole process, and the construction efficiency is improved;
secondly, the support mounting mechanism comprises an anchor rod drilling machine assembly 7 and an arch centering mounting assembly 8, namely, the functions of preliminary positioning of an arch centering and subsequent anchor rod fixing are mechanically integrated, manual operation is replaced by mechanical operation, and the efficiency of support operation is further improved;
thirdly, the method integrates the idea of assembly line operation, and in the process that the supporting and mounting mechanism on one side is used for preliminary positioning of the arch centering or fixing the anchor rod, the arch centering conveying mechanism 6 can convey the next arch centering to the front to be butted with the supporting and mounting mechanism on the other side; that is to say, the two sides are strutted the installation mechanism and are independently operated, accomplish the fixed of every bow member in proper order to reduce latency, promote the efficiency of strutting the operation greatly.
Specifically, in some embodiments, two sides of the heading machine body are respectively provided with a primary sliding platform, a secondary sliding platform is installed on the upper side of the primary sliding platform, and the sliding directions of the primary sliding platform and the secondary sliding platform are the same; the rear end of the arch center mounting component 8 is fixedly mounted on the primary sliding platform; the rear end of the jumbolter assembly 7 is fixedly mounted on the secondary sliding platform. Through setting up the two-stage platform that slides, make bow member installation component 8 and roofbolter subassembly 7 can reach the arbitrary position of the tunnelling in the place ahead, through set up the two-stage platform that slides on the one-level platform that slides, make roofbolter subassembly 7 can move forward for bow member installation component to reduce the required total length of roofbolter subassembly 7, be convenient for roofbolter subassembly 7 and bow member installation component 8's integrated installation.
Specifically, in some embodiments, the jumbolter assembly 7 includes a drill boom 9 and a drilling machine 10, the drill boom 9 includes a telescopic main boom and a telescopic sub boom, an end of the telescopic main boom is hinged with a first mounting seat 11, the first mounting seat 11 is fixedly connected with the secondary sliding platform, the telescopic sub boom is connected with the drilling machine 10 through two rotary speed reducers connected in sequence, and the drilling machine 10 is used for drilling anchor rod holes in two end support leg positions of an arch frame. The two rotary speed reducers realize the up-down and left-right swinging function of the drilling machine 10, so that the drilling machine 10 can be recovered and folded at the lower side of the drill boom during tunneling operation to be more convenient for integrated installation, and the drilling machine 10 can reach any position in the cutting range of the tunneling machine to drill anchor rod holes at the support legs at the two ends of the arch center; after drilling the anchor rod hole, the inserted rod welding operation is carried out manually.
Specifically, in some embodiments, the arch mounting assembly comprises an arch arm 12, a hanging basket 13 and a clamping mechanism 14, the arch arm 12 comprises a telescopic outer arm and a telescopic inner arm, a second mounting seat 15 is hinged to the end of the telescopic outer arm, and the second mounting seat 15 is rotatably connected with the primary sliding platform; the upper side of the end part of the telescopic inner arm is connected with a rotary supporting seat 16, the upper side of the rotary supporting seat 16 is fixedly provided with the hanging basket 13, and the rotary supporting seat 16 is hinged with the clamping mechanism 14. An operator is positioned in the hanging basket 13, and controls the expansion and contraction, the up-down and left-right swinging of the arch arm 12 and the clamping action of the clamping mechanism 14 by controlling operation buttons of various hydraulic elements, so as to realize the mechanical operation of arch center installation.
Specifically, in some embodiments, the clamping mechanism 14 includes a clamping telescopic arm 17, one end of the clamping telescopic arm 17 is connected to a hydraulic clamping jaw 18, and the other end of the clamping telescopic arm 17 is rotatably connected to the rotary support base 16, and a rotation plane of the clamping telescopic arm 17 is perpendicular to a rotation plane of the rotary support base 16. The concrete process of the abutment of the arch center transportation mechanism 6 and the arch center installation component 8 is that when the arch center transportation mechanism 6 transports the arch center at the rear to the side edge of the clamping mechanism 14, the rotary supporting seat 16 drives the clamping mechanism 14 to rotate, so that the clamping telescopic arm 17 is perpendicular to the arch center, then the clamping telescopic arm 17 swings up and down, so that the hydraulic clamping jaw 18 is aligned with the arch center, and then the clamping telescopic arm 17 extends, so that the hydraulic clamping jaw 18 clamps the beam body of the arch center.
Specifically, in some embodiments, a first hydraulic cylinder 19 is connected between the telescopic outer arm and the second mounting seat 15, the telescopic inner arm includes an L-shaped support arm 20 connected to the rotary support seat 16 and a fixed arm connected to the telescopic outer arm, the L-shaped support arm 20 is hinged to the fixed arm, and a second hydraulic cylinder 26 is disposed between the L-shaped support arm 20 and the fixed arm. The L-shaped supporting arm 20 is controlled to rotate a proper angle relative to the fixing arm through the second hydraulic oil cylinder 26, so that the hanging basket 13 on the L-shaped supporting arm 20 is always in a horizontal state during supporting operation.
Specifically, in some embodiments, as shown in fig. 5, the arch transport mechanism includes a hoisting assembly and a transport slide 21; the heading machine body is provided with an installation clamping plate 22, the transportation slide rail 21 is fixedly arranged on the upper side of the installation clamping plate 22, and the transportation slide rail 21 drives the hoisting assembly to move back and forth; the hoisting assembly comprises a multi-axis manipulator 23 and a cable roller, one end of a cable is discharged from the end part of the multi-axis manipulator 23, and the lower end of the cable is connected with an arch clamping jaw 24. The multi-shaft mechanical arm 23 is adjusted through displacement and rotation in multiple directions, so that the arch clamping jaw 24 at the end part of the cable is aligned with the arch beam body, the cable is retracted through controlling the rotation of the cable roller, and the arch is lifted.
Specifically, in some embodiments, the multifunctional cantilever type tunnel boring machine comprises a cable drum 25, an electric cabinet, a pump station and a hydraulic system, wherein the cable drum and the electric cabinet are arranged on one side of the rear end of the boring machine body, the pump station is arranged on the other side of the rear end of the boring machine body, and the hydraulic system is used for providing driving force for the support mounting mechanism.
During tunneling operation, the two arch arms 12 are retracted and offset by 5 degrees in opposite directions, the drill arm 9 and the drilling machine 10 are completely retracted, the drilling machine 10 is placed under the drill arm 9, the whole drill arm 9 is horizontally placed, and the arch frame conveying mechanism 6 is folded to the minimum state and fixed behind the tunneling machine body; the cutting head 2 cuts rocks by rotating the cutting arm 3 up and down and left and right, and the shovel part 4 and the conveyor 5 convey slag to the rear of the heading machine body.
During supporting operation, the arch frame conveying mechanism 6 lifts the arch frame behind the heading machine body through rotation and back-and-forth sliding action, rotates and moves to the front of the heading machine body, and the arch frame mounting assembly 8 performs arch erecting operation; the arch center mounting component 8 performs assembling operation on a section of arch center by utilizing the forward and backward sliding, the stretching, the left and right rotating and the lifting of the arch arm 12, and the hanging basket 13 and the clamping mechanism 14 of the arch center mounting component 8 can reach any position in the cutting range of the heading machine.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A multifunctional cantilever type tunnel boring machine comprises a boring machine body and is characterized by comprising two support mounting mechanisms and an arch frame conveying mechanism, wherein the two support mounting mechanisms are respectively arranged on the left side and the right side of the boring machine body;
the support mounting mechanism comprises an anchor rod drilling machine assembly and an arch mounting assembly; the arch frame mounting assembly is positioned above the jumbolter assembly, the arch frame conveying mechanism is used for hoisting an arch frame positioned behind the heading machine body to the front end of the arch frame mounting assembly, and the arch frame mounting assembly is used for clamping and assembling the arch frame;
the jumbolter assembly comprises a telescopic drill boom and a drilling machine connected with the drill boom, and the arch center mounting assembly comprises a telescopic arch boom;
after the arch center mounting assembly completes the assembly of the arch center, the jumbolter assembly stretches out to perform foot locking and anchor rod drilling operation on the arch center.
2. The multifunctional cantilever type tunnel boring machine according to claim 1, wherein a primary sliding platform is respectively arranged at two sides of the boring machine body, a secondary sliding platform is arranged at the upper side of the primary sliding platform, and the sliding directions of the primary sliding platform and the secondary sliding platform are the same;
the rear end of the arch center mounting assembly is fixedly mounted on the primary sliding platform; and the rear end of the jumbolter component is fixedly arranged on the secondary sliding platform.
3. The multifunctional cantilever type tunnel boring machine according to claim 2, wherein the drill boom comprises a telescopic main boom and a telescopic secondary boom, the end of the telescopic main boom is hinged with a first mounting seat, the first mounting seat is fixedly connected with the secondary sliding platform, the telescopic secondary boom is connected with the drilling machine through two rotary speed reducers which are connected in sequence, and the drilling machine is used for drilling anchor rod holes in the positions of two end support legs of the arch frame.
4. The multifunctional cantilever type tunnel boring machine according to claim 2, wherein the arch mounting assembly further comprises a cradle and a clamping mechanism, the arch arm comprises a telescopic outer arm and a telescopic inner arm, the end part of the telescopic outer arm is hinged with a second mounting seat, and the second mounting seat is rotatably connected with the primary sliding platform;
the upper side of the end part of the telescopic inner arm is connected with a rotary supporting seat, the upper side of the rotary supporting seat is fixedly provided with the hanging basket, and the rotary supporting seat is hinged with the clamping mechanism.
5. The multifunctional cantilever type tunneling machine according to claim 4, wherein said clamping mechanism comprises a clamping telescopic arm, one end of said clamping telescopic arm is connected with a hydraulic clamping jaw, the other end of said clamping telescopic arm is rotatably connected with said rotary support seat, and the rotating surface of said clamping telescopic arm is perpendicular to the rotating surface of said rotary support seat.
6. The multifunctional cantilever type tunnel boring machine according to claim 4, wherein a first hydraulic cylinder is connected between the telescopic outer arm and the second mounting seat, the telescopic inner arm comprises an L-shaped supporting arm connected with the rotary supporting seat and a fixed arm connected with the telescopic outer arm, the L-shaped supporting arm is hinged with the fixed arm, and a second hydraulic cylinder is arranged between the L-shaped supporting arm and the fixed arm.
7. A multi-function cantilevered tunneling machine according to claim 1 wherein said arch transport mechanism comprises a hoisting assembly and transport skids; the tunneling machine body is provided with an installation clamping plate, the transportation slide rail is fixedly arranged on the upper side of the installation clamping plate, and the transportation slide rail drives the hoisting assembly to move back and forth; the hoisting assembly comprises a multi-shaft mechanical arm and a cable roller, one end of a cable is discharged from the end part of the multi-shaft mechanical arm, and the lower end of the cable is connected with an arch clamping jaw.
8. The multifunctional cantilever type tunneling machine according to claim 1, wherein the multifunctional cantilever type tunneling machine comprises a cable reel, an electric cabinet, a pump station and a hydraulic system, the cable reel and the electric cabinet are arranged on one side of the rear end of the tunneling machine body, the pump station is arranged on the other side of the rear end of the tunneling machine body, and the hydraulic system is used for providing driving force for the support mounting mechanism.
9. A multifunctional boom-type tunnel boring machine according to claim 1, wherein during boring operation, the two booms are retracted and shifted 5 degrees each toward each other, the drill boom and the boring machine are fully retracted, the boring machine is disposed right under the drill boom, the entire drill boom is horizontally disposed, and the arch transport mechanism is fixed to the rear of the boring machine body in a state of being folded to a minimum.
10. The multifunctional cantilever type tunnel boring machine according to claim 1, wherein during the supporting operation, the arch transporting mechanism lifts the arch behind the boring machine body by the rotation and back-and-forth sliding action, rotates and moves to the front of the boring machine body for the arch erection operation of the arch mounting assembly;
the arch center mounting assembly is used for splicing a section of arch center by utilizing the forward and backward sliding, the stretching, the left and right rotating and the lifting of the arch arm, and a clamping mechanism of the arch center mounting assembly can reach any position in the cutting range of the development machine.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103643963A (en) * | 2013-12-23 | 2014-03-19 | 中铁工程装备集团有限公司 | Multifunctional tunneling machine |
| CN203742604U (en) * | 2013-12-23 | 2014-07-30 | 中铁工程装备集团有限公司 | Novel tunneling equipment |
| CN106089274A (en) * | 2016-08-13 | 2016-11-09 | 庆云汉诚隧道工程机械有限公司 | A kind of multifunctional tunnel driving supporting machine |
| CN206129284U (en) * | 2016-10-31 | 2017-04-26 | 中铁工程装备集团有限公司 | Xin aofa tunnel boring machine |
| CN113074001A (en) * | 2021-04-19 | 2021-07-06 | 中铁工程装备集团有限公司 | Multifunctional operation rack suitable for tunnel construction |
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2021
- 2021-11-29 CN CN202111427495.2A patent/CN113833486B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103643963A (en) * | 2013-12-23 | 2014-03-19 | 中铁工程装备集团有限公司 | Multifunctional tunneling machine |
| CN203742604U (en) * | 2013-12-23 | 2014-07-30 | 中铁工程装备集团有限公司 | Novel tunneling equipment |
| CN106089274A (en) * | 2016-08-13 | 2016-11-09 | 庆云汉诚隧道工程机械有限公司 | A kind of multifunctional tunnel driving supporting machine |
| CN206129284U (en) * | 2016-10-31 | 2017-04-26 | 中铁工程装备集团有限公司 | Xin aofa tunnel boring machine |
| CN113074001A (en) * | 2021-04-19 | 2021-07-06 | 中铁工程装备集团有限公司 | Multifunctional operation rack suitable for tunnel construction |
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