CN110159293B - Drilling and milling type cutting experiment mechanism of heading machine - Google Patents
Drilling and milling type cutting experiment mechanism of heading machine Download PDFInfo
- Publication number
- CN110159293B CN110159293B CN201910485354.2A CN201910485354A CN110159293B CN 110159293 B CN110159293 B CN 110159293B CN 201910485354 A CN201910485354 A CN 201910485354A CN 110159293 B CN110159293 B CN 110159293B
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- cutting
- cutting tooth
- cutter head
- rocker arm
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- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 238000002474 experimental method Methods 0.000 title claims abstract description 14
- 238000005553 drilling Methods 0.000 title claims description 13
- 238000003801 milling Methods 0.000 title claims description 13
- 230000009467 reduction Effects 0.000 claims abstract description 17
- 229910000617 Mangalloy Inorganic materials 0.000 claims description 3
- 241001074085 Scophthalmus aquosus Species 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 11
- 230000005641 tunneling Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000036346 tooth eruption Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Images
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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/032—Gearboxes; Mounting gearing therein characterised by the materials used
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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)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The utility model provides a bore formula entry driving machine cutting experiment mechanism that mills, includes: a cutting head and a rocker arm part; the cutting head consists of a rotary cutter head of a cutting tooth part, a hob cutter head, an end cover, a planetary gear, a sun gear and an inner gear; the rocker arm part consists of a reduction gearbox and a driving motor; the driving motor drives the cutting tooth part to rotate the cutter disc and the hob cutter disc to rotate through the reduction gearbox, the traction part drives the rocker arm to swing left and right through the pin shaft, the cutting radius and the cutting area are increased, the cutting capacity is improved, rock is broken more easily in the tunneling process, the purpose of rapid tunneling is achieved, the rock breaking capacity of underground space engineering can be improved, the construction progress time is shortened, the cutting tooth and the hob are integrated, and the cutting efficiency is greatly increased. The cutting mechanism of the heading machine has the advantages of compact integral structure, simple mechanism, low cost and good rock breaking effect, and effectively reduces the specific energy consumption of heading.
Description
Technical Field
The invention relates to the field of tunnel excavation and coal and mineral mining of underground space engineering, in particular to a cutting experiment mechanism of a drilling and milling type heading machine.
Background
The cutting head is the most core part for the heading machine to cut, and the performance of the whole heading machine is often determined by the design quality of the cutting head. A good performance entry driving machine should possess the cutting efficient, and the cutting range is wide, easily controls advantages such as cutting flexibility. The quality of the cutting head has a crucial influence on the working performance of the whole machine, and the price of the cutting head is very expensive. Therefore, the design and the research and the development of the cutting head are the core problems of the development of the heading machine. In this respect, however, a scientific and systematic cutting head design method route is still lacked domestically; lack sufficient theoretical foundation and data guidance, the cutting head often relies on the foreign import, can't master the core technology of this equipment, has serious problem in practical application, has very big not enough in the aspect of the tunnelling of high rigidity rock.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a cutting experiment mechanism of a drilling and milling type heading machine, which saves cost, accelerates heading speed and greatly improves the working efficiency of the heading machine.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a bore formula entry driving machine cutting experiment mechanism that mills, includes: a cutting head and a rocker arm part; the cutting head consists of a rotary cutter head of a cutting tooth part, a hob cutter head, an end cover, a planetary gear, a sun gear and an inner gear; the rocker arm part comprises a reduction gearbox and a driving motor; the cutting tooth part rotating cutter head is of a circular truncated cone shape and is divided into two layers, a cutting tooth holder is attached to the cutting tooth part rotating cutter head in sequence from top to bottom, the cutting tooth holder is clockwise installed on a cutter head sleeve, the cutter head sleeve is connected with the cutting tooth part rotating cutter head through a screw, a cutting tooth is installed on the cutting tooth holder, and an end cover is installed in the middle of the top of the cutter head; a hob cutter disc is arranged below the cutting tooth part rotating cutter disc, two groups of planetary gears, two sun gears and an internal gear are arranged in the hob cutter disc, the two groups of planetary gears surround the sun gears, and the planetary gears are meshed with the internal gear; the lower part of the cutting head is connected with a rocker arm part, and the rocker arm part comprises a reduction gearbox and a driving motor; the reduction gearbox comprises a main shaft, a coupler, an auxiliary shaft, a driving bevel gear, a driven bevel gear and a reduction gearbox body; the sun gear is connected with a countershaft of the reduction gearbox, the countershaft is connected with the main shaft through a coupler, the main shaft is connected with the driven bevel gear, the driving bevel gear is meshed with the driven bevel gear, and the driving motor is connected with the driving bevel gear.
Wherein, a lifting lug is attached to the end cover;
the hobbing cutter head is integrally in a circular truncated cone shape, two rows of hobbing cutters are arranged on the working surface in a staggered mode, and hobbing cutters are arranged on the hobbing cutters;
the rocker arm is connected with the traction part through a pin shaft, so that left-right swinging cutting is realized.
The reduction gearbox body is made of high manganese steel and takes a straight rocker arm form.
The invention has the beneficial effects that:
the driving motor drives the main shaft to rotate, the main shaft drives the cutting tooth part provided with the cutting tooth to rotate the cutter head through the coupler and drives the hob cutter head to rotate through the inner gear, the traction part drives the rocker arm to swing left and right through the pin shaft, the cutting radius and the cutting area are increased, the cutting capacity is improved, rock is easier to break in the tunneling process, the purpose of fast tunneling is achieved, the rock breaking capacity of underground space engineering can be improved, and the construction progress time is shortened; the cutting teeth and the hob are integrated, so that the cutting efficiency is greatly increased; the cutting mechanism of the heading machine has the advantages of compact integral structure, simple mechanism, low cost and good rock breaking effect, and effectively reduces the specific energy consumption of heading.
Drawings
FIG. 1 is a schematic structural section view of a cutting experiment mechanism of a drilling and milling type heading machine;
fig. 2 is a schematic structural diagram of a cutting experiment mechanism of the drilling and milling type heading machine in the embodiment of the invention in fig. 1;
fig. 3 is a schematic structural diagram of the internal structure of a hob head of a cutting experimental mechanism of the drilling and milling type heading machine in the embodiment of the invention;
fig. 4 is a top view of a cutting experiment mechanism of the drilling and milling type heading machine in the embodiment of the invention;
fig. 5 is a three-dimensional structure diagram of a cutting experiment mechanism of the drilling and milling type heading machine in the embodiment of the invention;
in the figure, 1-driving motor, 2-driving bevel gear, 3-driven bevel gear, 4-main shaft, 5-coupler, 6-auxiliary shaft, 7-sun gear, 8-planetary gear, 9-internal gear, 10-upper shell, 11-lower shell, 12-hob cutter head, 13-cutting tooth part rotating cutter head, 14-hob cutter, 15-cutting tooth, 16-cutting tooth holder, 17-end cover, 18-cutting tooth mounting seat is small, 19-cutting tooth mounting seat is large, 20-bearing 32960, 21-M42 bolt, 22-pin shaft, 23-rear cover, 24-reduction gearbox
Detailed Description
In order to make the purpose and technical solution of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be described clearly and completely with reference to the drawings of the embodiments of the present invention, and it is obvious that the described embodiments are only embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
A drilling and milling type cutting experiment mechanism of a heading machine is shown in figures 1 to 5, a box body of a reduction box of a rocker arm part is made of high manganese steel, and adopts a straight rocker arm type, and comprises: a cutting head and a rocker arm part.
The cutting head consists of a cutting tooth part rotating cutter head 13, a hob cutter head, an end cover, a planetary gear, a sun gear and an internal gear. The cutting tooth part rotating cutter head 13 is of a round table shape and is divided into an upper layer mounting seat and a lower layer mounting seat, wherein the cutting tooth mounting seat is small 18 and the cutting tooth mounting seat is large 19. The surfaces of the large and small cutting tooth mounting seats are sequentially attached with a cutting tooth seat 16, and the cutting tooth seats 16 are clockwise arranged on the large and small cutting tooth mounting seats, spirally form a circumference and are arranged at intervals; pick 15 installs on pick toothholder 16, and the pick portion changes the cutter head cover and is connected with pick portion rotation blade disc 13 through the screw, and pick portion rotation blade disc 13 top middle ann has end cover 17, has the lug on the end cover 17 by the way, makes things convenient for the installation and the dismantlement of end cover 17. The hobbing cutter head 12 is installed below, 10 phi 43mm threaded holes are drilled in the top and the bottom of the hobbing cutter head 12 respectively, the upper shell 10, the lower shell 11 and the hobbing cutter head 12 are installed into a whole by using an M42 bolt 21, rock particles generated during tunneling are well separated by the upper shell and the lower shell, the hobbing cutter head is protected from being interfered by the outside, and the service life of the hobbing cutter head is prolonged. The working surface of the hob cutter head 12 is provided with a hob installation seat, two rows of hobs 14 are installed on the hob installation seat in a staggered mode, 14 hobs are counted, the hobs 14 are perpendicular to the working surface, and hobs 14 are provided with hobbing teeth, so that the toughness of the hobs 14 is improved, and hard rock can be cut conveniently. The hob 14 consists of a hob body, a hob shaft, a hob bearing, an end cover and a bolt; the center of the hob body is provided with a hob shaft, two hob bearings are respectively arranged at the tail parts of the two ends of the hob shaft, the two ends of the hob shaft are respectively fixed in the hob body by using two end covers, and the end covers are fixed by using 12 bolts with the diameter of 3.2 mm.
The rocker arm part comprises a reduction gearbox and a driving motor, an auxiliary shaft 6 in the reduction gearbox 24 is connected with a main shaft 4 through a coupling 5, the main shaft 4 is connected with a driven bevel gear 3 through a flat key, the driven bevel gear 3 is meshed with a driving bevel gear 2, the driving bevel gear 2 is connected with the driving motor 1 through a flat key, the structure is wrapped in a reduction gearbox shell, and a rear cover 23 is arranged at the bottom of the reduction gearbox shell to facilitate the disassembly and assembly of internal parts.
As shown in fig. 3, two groups of planetary gears 8 are distributed up and down in the hob cutter head 12 and are respectively meshed with an internal gear 9, the auxiliary shaft 6 is driven by a spline, torque is transmitted to a cutting tooth part provided with cutting teeth 15 to rotate the cutter head 13, and the cutting teeth 15 are driven to rotate by the rotation of the cutter head, so that the cutting of rocks is realized; the auxiliary shaft 6 drives the inner gear 9 to rotate through planetary gear transmission, the inner gear 9 is installed on the inner side of a hob cutter head, and the rotation of the inner gear 9 drives the hob to rotate, so that the cutting of rocks is achieved. Bearings 20 are located at the ends of the first shaft sections of the main shaft and the auxiliary shaft, respectively.
As shown in fig. 2, the driving motor 1 of the rocker arm system is connected with the driving bevel gear 2 through a flat key to drive the driven bevel gear 3 meshed with the main shaft 4 to rotate, so as to drive the main shaft 4 to rotate; the main shaft 4 drives an auxiliary shaft 6 through a coupler 5, and the auxiliary shaft 6 is connected with a sun gear 7, so that torque transmission is realized. Meanwhile, the traction part enables the rocker arm to swing left and right through the pin shaft 22, so that the cutting area is greatly increased.
Claims (4)
1. The utility model provides a brill mills formula entry driving machine cutting experimental mechanism which characterized in that includes: a cutting head and a rocker arm part; the cutting head consists of a rotary cutter head of a cutting tooth part, a hob cutter head, an end cover, a planetary gear, a sun gear and an inner gear; the cutting tooth part rotating cutter head is of a circular truncated cone shape and is divided into two layers, a cutting tooth holder is attached to the cutting tooth part rotating cutter head from top to bottom in sequence, the cutting tooth holder is clockwise installed on a cutting tooth part rotating cutter head sleeve, the cutter head sleeve is connected with the cutting tooth part rotating cutter head through a screw, a cutting tooth is installed on the cutting tooth holder, and an end cover is installed in the middle of the top of the cutting tooth part rotating cutter head; a hob cutter disc is arranged below a rotary cutter disc of the cutting tooth part, the hob cutter disc is integrally in a circular truncated cone shape, two rows of hobs are arranged on a working surface in a staggered mode, hobs are provided with hobbing teeth, two groups of planetary gears, a sun gear and an inner gear are arranged in the hob cutter disc, the two groups of planetary gears surround the sun gear, and the planetary gears are meshed with the inner gear; the lower part of the cutting head is connected with a rocker arm part, and the rocker arm part comprises a reduction gearbox and a driving motor; the reduction gearbox comprises a main shaft, a coupler, an auxiliary shaft, a driving bevel gear, a driven bevel gear and a reduction gearbox body; the sun gear is connected with an auxiliary shaft, the auxiliary shaft is connected with the main shaft through a coupler, the main shaft is connected with a driven bevel gear, the driving bevel gear is meshed with the driven bevel gear, and the driving motor is connected with the driving bevel gear.
2. The cutting experiment mechanism of the drilling and milling type heading machine as claimed in claim 1, wherein: the end cover is attached with a lifting lug.
3. The cutting experiment mechanism of the drilling and milling type heading machine as claimed in claim 1, wherein: the rocker arm is connected with the traction part through a pin shaft, so that left-right swinging cutting is realized.
4. The cutting experiment mechanism of the drilling and milling type heading machine as claimed in claim 1, wherein: the reduction gearbox body is made of high manganese steel and takes a straight rocker arm form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910485354.2A CN110159293B (en) | 2019-06-05 | 2019-06-05 | Drilling and milling type cutting experiment mechanism of heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910485354.2A CN110159293B (en) | 2019-06-05 | 2019-06-05 | Drilling and milling type cutting experiment mechanism of heading machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110159293A CN110159293A (en) | 2019-08-23 |
| CN110159293B true CN110159293B (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910485354.2A Active CN110159293B (en) | 2019-06-05 | 2019-06-05 | Drilling and milling type cutting experiment mechanism of heading machine |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115405226A (en) * | 2022-09-30 | 2022-11-29 | 江苏和信石油机械有限公司 | Drilling tool for coal mine underground horizontal wireless directional drilling system while drilling |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927208B (en) * | 2012-11-20 | 2016-03-23 | 中传重型装备有限公司 | A kind of continuous miner cutting reducer |
| CN103046926B (en) * | 2012-12-18 | 2015-10-28 | 三一重型装备有限公司 | Development machine and split type cutterhead thereof |
| CN203822317U (en) * | 2014-04-18 | 2014-09-10 | 三一重型装备有限公司 | Cutting device for stone drifting machine |
| CN103939108B (en) * | 2014-05-09 | 2016-01-27 | 中国矿业大学 | Cutting part of hard rock heading machine |
| CN206000539U (en) * | 2016-08-29 | 2017-03-08 | 浙江省隧道工程公司 | Pipe jacking tunnelling machine cutterhead |
| CN107288646A (en) * | 2017-07-27 | 2017-10-24 | 三重型装备有限公司 | Cutting mechanism and development machine |
| CN107461206B (en) * | 2017-09-26 | 2019-06-04 | 辽宁工程技术大学 | A kind of hobboing cutter and the alternatively distributed intensive cutting part of heading machine of pick |
| CN107780930B (en) * | 2017-12-01 | 2021-01-26 | 三一重型装备有限公司 | Coal mining machine roller and coal mining machine |
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| CN110159293A (en) | 2019-08-23 |
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