CN111764921A - Sectional type heading machine cutter head driving structure - Google Patents
Sectional type heading machine cutter head driving structure Download PDFInfo
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- CN111764921A CN111764921A CN202010795941.4A CN202010795941A CN111764921A CN 111764921 A CN111764921 A CN 111764921A CN 202010795941 A CN202010795941 A CN 202010795941A CN 111764921 A CN111764921 A CN 111764921A
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 32
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000565 sealant Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 10
- 238000000638 solvent extraction Methods 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 3
- 210000001503 joint Anatomy 0.000 description 14
- 230000005641 tunneling Effects 0.000 description 11
- 230000002349 favourable effect Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Classifications
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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
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
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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
- E21D9/1086—Drives or transmissions specially adapted therefor
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention provides a cutter head driving structure of a sectional type development machine, which comprises a cutter head, a gearbox, a main bearing, a flange, a large gear ring, a pinion and a plurality of driving single pieces, wherein each driving single piece comprises a speed reducer, a driving motor and a torque limiter; a plurality of drive singlets drive the blade disc jointly and excavate the tunnel, and carry out radial partitioning through parts such as the blade disc to the blade disc drive structure, the base bearing, gearbox and flange, the volume and the weight of single part in the blade disc drive structure have been reduced, the requirement of blade disc drive structure spare part partitioning disassembling and downhole assembling has been realized, the problem of transportation space restriction, lifting capacity not enough under the special tunnel construction environment has been solved, and the problem of machine withdrawal recovery in the tunnel can't be carried out to integral blade disc drive structure.
Description
Technical Field
The invention relates to the technical field of tunneling devices, in particular to a cutter head driving structure of a sectional type tunneling machine.
Background
The tunneling device is a main construction machine in underground tunneling tunnel construction, has the characteristics of high automation degree, high construction efficiency, low construction safety risk and the like in the construction of the tunneling device, can safely perform excavation and lining operation of tunnels in the tunnels, and is widely applied to large tunnel engineering projects of urban subways, river-crossing highway tunnels, sea-crossing tunnels and the like in China at present.
The cutterhead driving structure is a driving device of a cutterhead of the tunneling device, is a core component of the tunneling device, and is mainly used for providing forward and reverse tunneling power for the cutterhead and bearing the counter force generated when the cutterhead tunnels soil. The cutter head driving structure can bear larger torque, overturning moment and axial thrust when in work, the main bearing part is a main bearing with larger outer diameter, the outer diameter of the main bearing is generally more than half of the outer diameter of the tunneling device, and the maximum size of the cutter head driving structure depends on the size of the main bearing; the existing cutter head driving structure is an integral structure, and the size and the weight of the cutter head driving structure are large; with the development of the development device, under the working conditions that the requirements for underground transportation size and weight are strict, such as mining development machines, tunnel internal dismantling machine recovery equipment and the like, in some special application scenes, the current integral main cutter head driving structure cannot meet the use requirements. Therefore, in order to meet the problem of insufficient transportation conditions in a special construction environment, a cutter head driving structure of a sectional type heading machine is needed in the industry.
Disclosure of Invention
The invention aims to provide a cutter head driving structure of a sectional type heading machine, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides a cutter head driving structure of a sectional type heading machine, which comprises a cutter head, a main bearing, a gear transmission mechanism, a transmission case, a flange and a plurality of driving single pieces, wherein the main bearing and the gear transmission mechanism are assembled in the transmission case; the plurality of driving single pieces are in transmission engagement with the gear of the large gear ring through the small gear to drive the flange and the cutter head to rotate; the flange comprises a plurality of flange blocks which are partitioned along the radial direction, and two adjacent flange blocks are detachably connected; the gearbox shell is arranged on the main bearing and the gear transmission mechanism in a covering mode, and the gearbox shell is used for placing, limiting and fixing the gear mechanism and the main bearing.
Further, the main bearing comprises an inner ring, an outer ring, balls and a retainer, wherein the inner ring comprises a first inner ring and a second inner ring, the first inner ring is divided into a plurality of first inner ring blocks along the radial direction, and two adjacent first inner ring blocks are detachably connected; the second inner ring is divided into a plurality of second inner ring blocks along the radial direction, and two adjacent second inner ring blocks are detachably connected; the outer ring comprises a first outer ring and a second outer ring, the first outer ring is divided into a plurality of first outer ring blocks along the radial direction, and two adjacent first outer ring blocks are detachably connected; the second outer ring is divided into a plurality of second outer ring blocks along the radial direction, and two adjacent second outer ring blocks are detachably connected.
Furthermore, the number of the blocks of the first inner ring of the main bearing is equal to that of the blocks of the second inner ring, and the number of the blocks of the first outer ring of the main bearing is equal to that of the blocks of the second outer ring.
Furthermore, when the main bearing is assembled, the butt joint positions of the blocks of the first inner ring and the second inner ring are staggered; the joint positions of the blocks of the first outer ring and the second outer ring are staggered.
Further, the driving single piece comprises a driving motor, a speed reducer and a torque limiter; the output end of the driving motor is connected with the input end of the speed reducer through the torque limiter, the output end of the speed reducer is connected with a pinion, and the pinion is installed on the gearbox shell.
Furthermore, the transmission housing is radially divided into a plurality of transmission housing blocks, and two adjacent transmission housing blocks are detachably connected.
Further, this application device includes sealing washer and/or sealed glue, and sealing washer and/or sealed glue are located flange piecemeal position, main bearing piecemeal position and gearbox casing piecemeal position.
Further, the flange is divided into 2-4 flange blocks; the first inner ring of the main bearing is divided into 2-4 first inner ring blocks, the second inner ring is divided into 2-4 second inner ring blocks, the first outer ring of the main bearing is divided into 2-4 first outer ring blocks, and the second outer ring is divided into 2-4 second outer ring blocks; the transmission housing is divided into 2-4 transmission housing pieces.
The invention has the following beneficial effects:
the invention provides a cutter head driving structure of a sectional type development machine, which comprises a cutter head, a gearbox, a main bearing, a flange, a large gear ring, a pinion and a plurality of driving single pieces, wherein each driving single piece comprises a speed reducer, a driving motor and a torque limiter; a plurality of drive singlets drive the blade disc jointly and excavate the tunnel, simultaneously through radially blocking main bearing, gearbox shell and flange etc. to the blade disc drive, the volume and the weight of single part in the blade disc drive structure have been reduced, the requirement of going into the well equipment is disassembled to realization blade disc drive structure spare part blocking, the problem of transportation space restriction, lifting capacity not enough under the special tunnel construction environment is solved to and the problem of machine recovery can't be torn open in the tunnel to integral blade disc drive.
When the main bearing of the device is assembled, the block butt joint positions of the first inner ring and the second inner ring are staggered, and the block butt joint positions of the two inner rings are staggered to improve the axial bearing force of the block position of the main bearing; the block butt joint positions of the first outer ring and the second outer ring are staggered, and the staggered arrangement of the block butt joint positions of the two outer rings is favorable for improving the axial bearing force of the block position of the main bearing.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a cutterhead driving structure of a sectional type heading machine (only two driving units are marked);
FIG. 2 is a partial cross-sectional view of the main bearing of FIG. 1;
FIG. 3 is a schematic view of the flange of FIG. 1 in radial blocks;
FIG. 4 is a radially segmented schematic view of the transmission housing of FIG. 1;
the device comprises a cutter head 1, a cutter head 2, a flange 3, a transmission case 3.1, a driving hole 4, a main bearing 5, a pinion 6, a large gear ring 7, a speed reducer 8, a driving motor 9, a torque limiter 10, a first outer ring 11, a second outer ring 12, a first inner ring 13, a second inner ring 14, a connecting lug plate 15 and a partitioning line.
Detailed Description
Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Referring to fig. 1 to 4, the invention provides a cutter head driving structure of a sectional type heading machine, which comprises a cutter head 1, a flange 2, a transmission case 3, a main bearing 4, a gear transmission mechanism and a plurality of driving single pieces, wherein the main bearing and the gear transmission mechanism are arranged in the transmission case, the main bearing is sleeved on the flange, one end of the flange is connected with the cutter head, the gear transmission mechanism comprises a large gear ring 6 and a plurality of small gears 5, the large gear ring is in gear fit with the small gears, the large gear ring is connected with the other end of the flange, and the small gears are respectively and correspondingly connected with the driving single pieces; the plurality of driving single pieces are in transmission fit with the gear of the large gear ring through the small gear to drive the flange and the cutter head to rotate; the flange comprises a plurality of flange blocks which are distributed along the radial direction, the corresponding positions of two adjacent flange blocks are provided with connecting lug plates 14, the two connecting lug plates are provided with through holes, the through holes of the two connecting lug plates are connected through inserting bolts, and therefore the plurality of flange blocks are connected through the bolts to form a complete flange; the gearbox shell is arranged on the main bearing and the gear transmission mechanism in a covering mode, and the gearbox shell is used for placing, limiting and fixing the gear mechanism and the main bearing.
Six driving holes 3.1 are formed in the gearbox shell, the driving holes are circular through holes, in the embodiment, the number of driving single pieces is six, and the driving single pieces comprise driving motors 8, speed reducers 7 and torque limiters 9; an output shaft of the driving motor 8 is connected with an input shaft of the speed reducer 7 through a torque limiter 9, the output shaft of the speed reducer 7 is fixedly connected with the pinions 5 through splines, six pinions connected to six driving single pieces respectively penetrate through six driving holes, and the six pinions are respectively meshed with the large gear ring; one end of the flange is fixedly connected with the large gear ring, a main bearing is sleeved on the flange and comprises an inner ring, an outer ring, balls and a retainer, and the retainer is a segmented retainer; the inner ring, the outer ring, the balls and the retainer are connected with reference to the existing bearing; the fixed cover of inner ring of base bearing is established at the flange, and the outer loop and the gearbox shell 3 fixed connection of base bearing 4, the flange other end are connected with blade disc 1, and the moment of torsion of blade disc drive structure is transmitted to blade disc 1 by driving motor 8, reduction gear 7, pinion 5, bull gear 6, base bearing 4, flange 2, realizes that the blade disc rotates the excavation tunnel.
The inner ring of the main bearing comprises a first inner ring 10 and a second inner ring 11, the first inner ring is divided into a plurality of first inner ring blocks along the radial direction, the second inner ring is divided into a plurality of second inner ring blocks along the radial direction, the butt joint positions of the first inner ring blocks and the second inner ring blocks are staggered, two adjacent first inner ring blocks are positioned through pins and rabbets and fixed on one second inner ring block through bolts, two adjacent second inner ring blocks are positioned through pins and rabbets and fixed on one first inner ring block through bolts, and therefore the first inner ring blocks and the second inner ring blocks are connected through bolts to form a complete inner ring; the outer ring comprises a first outer ring 12 and a second outer ring 13, the first outer ring is divided into a plurality of first outer ring blocks along the radial direction, the second outer ring is divided into a plurality of second outer ring blocks along the radial direction, the butt joint positions of the first outer ring blocks and the second outer ring blocks are staggered, two adjacent first outer ring blocks are positioned through pins and rabbets and are fixed on one second outer ring block through bolts, two adjacent second outer ring blocks are positioned through pins and rabbets and are fixed on one first outer ring block through bolts, and therefore the first outer ring blocks and the second outer ring blocks are connected through bolts to form a complete outer ring; the connection mode not only ensures that the inner ring and the outer ring can form a complete circular ring structure without influencing the installation and connection of the inner ring and the outer ring and an external structural member, but also ensures that the joint positions of the blocks of the first inner ring and the second inner ring are staggered, and the joint positions are similar to the staggered positions of the block lines 15 in the graph 3 or the graph 4; the staggered arrangement of the block butt joint positions of the two inner rings is favorable for improving the axial bearing force of the block butt joint position of the main bearing; the block butt joint positions of the first outer ring and the second outer ring are staggered, and the staggered arrangement of the block butt joint positions of the two outer rings is favorable for improving the axial bearing capacity (axial bearing capacity) of the block position of the main bearing; in addition, in the embodiment, the number of the blocks of the main bearing inner ring is equal to that of the blocks of the main bearing outer ring, the number of the blocks of the first inner ring of the main bearing is equal to that of the blocks of the second inner ring, and the number of the blocks of the first outer ring of the main bearing is equal to that of the blocks of the second outer ring; the inner ring and the outer ring adopt equal block number, so that the whole structure of the assembled main bearing is more uniform and stable.
The gearbox shell is radially divided into a plurality of gearbox shell blocks, connecting lug plates are arranged on two adjacent gearbox shell blocks, through holes and pin holes are formed in the connecting lug plates, the two connecting lug plates are positioned through pins and are inserted into the bolt connection, and therefore the plurality of gearbox shell blocks form a complete gearbox shell through the bolt connection.
Contact surface (the block line position butt joint face in the picture) of two adjacent flange piece docks in this embodiment, the contact surface of two adjacent first inner ring piece docks, the contact surface of two adjacent second inner ring piece docks, the contact surface of two adjacent first outer ring piece docks, all scribble sealed glue on the contact surface of two adjacent second outer ring piece docks and the contact surface of two adjacent gearbox housing piece docks, and be provided with the sealing strip at flange and gearbox piecemeal butt joint face, can effectively prevent to reveal the sealing tightness of strengthening the butt joint position.
In this embodiment, the flange is divided into three flange blocks, the first inner ring of the main bearing is divided into three first inner ring blocks, the second inner ring of the main bearing is divided into three second inner ring blocks, and the first outer ring of the main bearing is divided into three first outer ring blocks; the gearbox shell is divided into three gearbox shell blocks; each part (flange, main bearing and gearbox shell) is divided into three parts in blocks, the number of the blocks is 2-4, the integral volume and the weight of each part are too large, the underground hoisting and assembling are not facilitated, and the problems that the volume of each block is too small, the rigidity is insufficient and the bearing capacity is not strong due to too many blocks are solved.
The tunneling power of the cutter head driving structure of the device is provided by a plurality of driving single pieces together, the driving motors of the plurality of driving single pieces rotate (rotate forwards or rotate backwards) together along one direction, and are transmitted to the cutter head 1 by the driving motor 8, the speed reducer 7, the pinion 5, the large gear ring 6, the main bearing 4 and the flange 2, so that the cutter head can rotate to excavate the tunnel, the driving power is provided by the plurality of driving single pieces together, the tunneling power required by the cutter head is met, and the driving single pieces can be conveniently driven to be assembled in a well under a special tunnel construction environment; simultaneously, the main bearing, the gearbox shell, the flange and the like which are driven by the cutter head are radially partitioned, so that the volume and the weight of a single part in the cutter head driving structure are reduced, the requirement of disassembling and assembling the parts of the cutter head driving structure in a partitioning manner is met, the problems of limited transportation space and insufficient lifting capacity in a special tunnel construction environment are solved, and the problem that the integral cutter head driving cannot be used for disassembling and recycling in the tunnel is solved.
It should be noted that the device of the present application includes a control system, the control system is configured according to the prior art, and the control system is connected with the driving single piece, and the control single piece is used for controlling the forward rotation, the reverse rotation and the rotation speed of the driving single piece.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A cutter head driving structure of a sectional type heading machine is characterized by comprising a cutter head, a main bearing, a gear transmission mechanism, a transmission case, a flange and a plurality of driving single pieces, wherein the main bearing and the gear transmission mechanism are assembled in the transmission case; the plurality of driving single pieces are in transmission engagement with the gear of the large gear ring through the small gear to drive the flange and the cutter head to rotate; the flange comprises a plurality of flange blocks which are partitioned along the radial direction, and two adjacent flange blocks are detachably connected; the gearbox shell is arranged on the main bearing and the gear transmission mechanism in a covering mode, and the gearbox shell is used for placing, limiting and fixing the gear mechanism and the main bearing.
2. The cutterhead driving structure of a sectional type heading machine according to claim 1, wherein the main bearing includes an inner ring, an outer ring, balls and a cage, the inner ring includes a first inner ring and a second inner ring, the first inner ring is divided into a plurality of first inner ring blocks along the radial direction, and two adjacent first inner ring blocks are detachably connected; the second inner ring is divided into a plurality of second inner ring blocks along the radial direction, and two adjacent second inner ring blocks are detachably connected; the outer ring comprises a first outer ring and a second outer ring, the first outer ring is divided into a plurality of first outer ring blocks along the radial direction, and two adjacent first outer ring blocks are detachably connected; the second outer ring is divided into a plurality of second outer ring blocks along the radial direction, and two adjacent second outer ring blocks are detachably connected.
3. The cutterhead driving structure of a segmented heading machine according to claim 2, wherein the number of segments of the first inner ring of the main bearing is equal to the number of segments of the second inner ring, and the number of segments of the first outer ring of the main bearing is equal to the number of segments of the second outer ring.
4. The cutterhead driving structure of a segmented heading machine according to claim 2, wherein when the main bearing is assembled, the abutting positions of the segments of the first inner ring and the second inner ring are staggered; the joint positions of the blocks of the first outer ring and the second outer ring are staggered.
5. The cutterhead driving structure of a segmented heading machine according to claim 1, wherein the driving singlets include a drive motor, a reducer and a torque limiter; the output end of the driving motor is connected with the input end of the speed reducer through the torque limiter, the output end of the speed reducer is connected with a pinion, and the pinion is installed on the gearbox shell.
6. The cutterhead driving structure of a segmented heading machine according to any one of claims 1-5, wherein the transmission housing is radially divided into a plurality of transmission housing blocks, and two adjacent transmission housing blocks are detachably connected.
7. The cutterhead driving structure of a segmented heading machine according to claim 6, including a sealing ring and/or sealant disposed at the flange segment location, the main bearing segment location and the transmission housing segment location.
8. The cutterhead driving structure of a segmented heading machine according to claim 7, wherein the flanges are divided into 2-4 flange blocks; the first inner ring of the main bearing is divided into 2-4 first inner ring blocks, the second inner ring is divided into 2-4 second inner ring blocks, the first outer ring of the main bearing is divided into 2-4 first outer ring blocks, and the second outer ring is divided into 2-4 second outer ring blocks; the transmission housing is divided into 2-4 transmission housing pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010795941.4A CN111764921A (en) | 2020-08-10 | 2020-08-10 | Sectional type heading machine cutter head driving structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010795941.4A CN111764921A (en) | 2020-08-10 | 2020-08-10 | Sectional type heading machine cutter head driving structure |
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| Publication Number | Publication Date |
|---|---|
| CN111764921A true CN111764921A (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010795941.4A Pending CN111764921A (en) | 2020-08-10 | 2020-08-10 | Sectional type heading machine cutter head driving structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137241A (en) * | 2021-05-19 | 2021-07-20 | 安徽唐兴机械装备有限公司 | Locking type cutter head main shaft connecting structure of pipe-jacking tunneling machine |
-
2020
- 2020-08-10 CN CN202010795941.4A patent/CN111764921A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137241A (en) * | 2021-05-19 | 2021-07-20 | 安徽唐兴机械装备有限公司 | Locking type cutter head main shaft connecting structure of pipe-jacking tunneling machine |
| CN113137241B (en) * | 2021-05-19 | 2022-10-18 | 安徽唐兴装备科技股份有限公司 | Locking type cutter head main shaft connecting structure of pipe-jacking tunneling machine |
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