CN202500560U - Rotary-drilling-type cutting unit of coal mining machine and heading machine - Google Patents
Rotary-drilling-type cutting unit of coal mining machine and heading machine Download PDFInfo
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- CN202500560U CN202500560U CN2012201133026U CN201220113302U CN202500560U CN 202500560 U CN202500560 U CN 202500560U CN 2012201133026 U CN2012201133026 U CN 2012201133026U CN 201220113302 U CN201220113302 U CN 201220113302U CN 202500560 U CN202500560 U CN 202500560U
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Abstract
The utility model relates to a rotary-drilling-type cutting unit of a coal mining machine and a heading machine. The rotary-drilling-type cutting unit comprises a decelerator, a cutting arm and a cutting head, wherein the decelerator comprises a two-stage planet mechanism, a coupling sleeve and a decelerator output shaft; the cutting arm comprises a cutting arm main shaft and a cutting arm shell; the cutting head comprises a rotary drilling head, a cutting teeth, a reamer, an eccentric plate, a pinion, a cutting head main shaft, a bearing block, a planet wheel assembly and an inner annular gear, wherein the front end of the rotary drilling head and the top end of the reamer are welded with the cutting teeth; during work, a motor is used for transmitting power to the cutting arm main shaft through the two-stage planet mechanism and synchronously transmitting the power to the cutting head, the planet mechanism and the pinion through the cutting head main shaft, thus the rotary drilling head is used for cutting; and simultaneously, the pinion drives the eccentric plate to rotate so that the reamer rotates around the center of the cutting head main shaft and radially moves along the center of the cutting head main shaft to cut an ellipse-like appearance. The rotary-drilling-type cutting unit disclosed by the utility model has the advantages that the whole mechanism is of a simple and compact structure, and the cut section can be ellipse-like as required; and simultaneously, the lump coal rate is increased, the energy consumption is reduced and the dust is reduced.
Description
Technical field
The utility model relates to revolving and digs formula coal-winning machine and tunneling machine cutting portion, basically forms the coal-winning machine of horizontal base and parallel top and the cutting mechanism of development machine when being particularly useful for cutting rock.
Technical background
Along with the development of colliery underworkings mechanization driving technology, the mechanization digging tool of continual renovation still can not satisfy the demand of production.Because dust is more during development machine work, can't rock be become the fragmentation of piece, thereby increase specific energy consumption, operating efficiency is lower; Simultaneously, because the work plane dust is big, not only influence the healthy of workman, and excessive dust can cause a serious accident also.Secondly, considering the brill formula or revolving the formula of digging exploitation is a well-known production practice, and at first the cutterhead of front cuts out the profile of a circle, and the cutting roll of back rotation mills out the bottom and a parallel top layer of a level then.This has brought very burden for the manufacturing of product and production and exploitation.Therefore, the research of digging formula exploitation be need carry out in a hurry, a kind of novel, coal-winning machine and tunneling machine cutting portion efficiently developed revolving.
Summary of the invention
Technical problem: the purpose of the utility model is to the problem that exists in the prior art, a kind of high efficiency is provided, can realizes tunnelling and basically forms horizontal base and parallel top revolve formula coal-winning machine and the tunneling machine cutting portion of digging.
Technical scheme: a kind of revolving dug formula coal-winning machine and tunneling machine cutting portion, comprises the cut reducer, cutting arm and the cutterhead that connect successively; Described cut reducer comprises two-stage planetary gear speed reducing mechanism, coupling band and reducer output shaft; Coupling band connects with cut reducer first order planetary gear speed reducing mechanism through involute spline, and second level planetary gear speed reducing mechanism connects with reducer output shaft through involute spline; Described cutting arm comprises cutting arm main shaft and the cutting arm housing that has involute inner spline, and involute outer spline one end of cutting arm main shaft connects with the involute inner spline of reducer output shaft, and cutting arm housing and cut reducer pass through bolt; Described cutterhead comprises and revolves drill, pick, reamer; Eccentric disc, pinion, have cutterhead main shaft, bearing support, planetary wheeling assembly and the ring gear of the anterior gear teeth, the middle part gear teeth and involute outer spline; Ring gear and bearing support are fixedly linked through bolt and cutting arm housing, and pick is welded on the front end that revolves drill, and planetary wheeling assembly is installed in the rear end of revolving drill; The middle part of revolving drill is equipped with six pinions; Pinion is installed on through the pinion bearing pin and revolves in the drill, and pinion bearing pin and eccentric disc are through splined, and described reamer comprises that symmetry is fixed on the Y shape bull stick that revolves the drill rearward end; The height of Y shape bull stick is greater than the radius that revolves drill; The outer end of Y shape bull stick is welded with the reaming pick, and Y shape bull stick is provided with and the reamer eccentric shaft that fixes to eccentric disc, and involute outer spline one end of cutterhead main shaft connects with cutting arm main shaft involute inner spline; The cutterhead main shaft middle part gear teeth and planetary wheeling assembly engagement, the anterior gear teeth and pinion; The middle part of revolving drill is provided with the broken core drill bit that is used for the second-time breakage rock.
The described drill middle part of revolving has the square hole that is used to throw away fractured rock; Described eccentric disc is four.
Beneficial effect: the utility model adopts to revolve and digs the formula rock breaking method, on cutting mechanism, has increased reamer, can form horizontal base and parallel top automatically during driving.Pass to the cutting arm main shaft through cut reducer two-stage planetary reduction gear; And again power is passed to cutterhead planetary gear speed reducing mechanism and pinion simultaneously through the cutterhead main shaft; Make and revolve drill and carry out cut, pinion drives eccentric disc and rotates and makes reamer rotate and radially move back and forth along it around cutterhead alignment of shafts axle simultaneously, and the section cross section that comes out of cut is a similar oval-shaped profile thus; Can make cut section type of being ellipticity as requested; Improve the lump coal rate of coal mining greatly, reduced specific energy consumption, reduced the work dust.This structural entity mechanism compact, lump coal rate increases, and energy consumption is low, and dust is few, has practicality widely.
Description of drawings
Fig. 1 is the sectional structure chart of the utility model.
Fig. 2 is that the cutterhead of the utility model cuts open topology view.
Fig. 3 is the cutterhead cut outline drawing of the utility model.
Fig. 4 is that the reamer of the utility model is faced structure chart.
Fig. 5 is the reamer side-looking structure chart of the utility model.
Among the figure: 1-cut reducer; The 1-1-coupling band; 1-2-first order planetary gear speed reducing mechanism; 1-3-second level planetary gear speed reducing mechanism; The 1-4-reducer output shaft; The 2-cutting arm; 2-1-cutting arm main shaft; 2-2-cutting arm housing; The 3-cutterhead; 3-1-cutterhead main shaft; The 3-2-planetary wheeling assembly; The 3-3-reamer; 3-3-1-reamer eccentric shaft; 3-4-revolves drill; The 3-5-pick; The 3-6-eccentric disc; The 3-7-pinion; The 3-8-bearing support; The 3-9-ring gear; 3-10-pinion bearing pin; 3-11-breaks core drill bit; 4-cut profile.
The specific embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is done further description:
As shown in Figure 1, the utility model revolve formula coal-winning machine and the tunneling machine cutting portion of digging, mainly constitute by the cut reducer 1, cutting arm 2 and the cutterhead 3 that connect successively; Described cut reducer 1 comprises two-stage planetary gear speed reducing mechanism, coupling band 1-1 and reducer output shaft 1-4; Coupling band 1-1 connects with cut reducer first order planetary gear speed reducing mechanism 1-2 through involute spline, and second level planetary gear speed reducing mechanism 1-3 connects with reducer output shaft 1-4 through involute spline; Described cutting arm 2 comprises cutting arm main shaft 2-1 and the cutting arm housing 2-2 that has involute inner spline; Involute outer spline one end of cutting arm main shaft 2-1 connects with the involute inner spline of reducer output shaft 1-4, and cutting arm housing 2-2 and cut reducer 1 pass through bolt.
As shown in Figure 2; Described cutterhead 3 comprises and revolves drill 3-4, pick 3-5, reamer 3-3; Eccentric disc 3-6, pinion 3-7, have cutterhead main shaft 3-1, bearing support 3-8, planetary wheeling assembly 3-2 and the ring gear 3-9 of the anterior gear teeth, the middle part gear teeth and involute outer spline; Ring gear 3-9 and bearing support 3-8 are fixedly linked through bolt and cutting arm housing 2-2; Pick 3-5 is welded on the front end that revolves drill 3-4, bearing support 3-8 and revolve between the drill 3-4 and to adopt float grease seal or rectangle oil sealing or other rotatory sealing, and planetary wheeling assembly 3-2 is installed in the rear end of revolving drill 3-4; The middle part of revolving drill 3-4 is equipped with six pinion 3-7; Pinion 3-7 is installed on through pinion bearing pin 3-10 and revolves in the drill 3-4, and two eccentric disc 3-6 of the engaged transmission realization motion of speed together in the same way through three pinion 3-7 drives reaming tool 3-3 simultaneously and realizes radially moving back and forth along cutterhead main shaft 3-1 center.Pinion bearing pin 3-10 and eccentric disc 3-6 pass through splined; Eccentric disc 3-6 is four; Pinion 3-7 is installed on through pinion bearing pin 3-10 and revolves in the drill 3-4; Four eccentric disc 3-6 are installed on four pinion bearing pin 3-10 that stretch out, and the reaming tool 3-3 of every end is installed on two eccentric disc 3-6 through reaming tool eccentric shaft 3-3-1.
Shown in Figure 4 like Fig. 3; Described reamer 3-3 comprises that symmetry is fixed on the Y shape bull stick that revolves drill 3-4 rearward end; The height of Y shape bull stick is greater than the radius that revolves drill 3-4; The outer end of Y shape bull stick is welded with the reaming pick, and Y shape bull stick is provided with and the reamer eccentric shaft 3-3-1 that fixes to eccentric disc 3-6, and involute outer spline one end of cutterhead main shaft 3-1 connects with cutting arm main shaft 2-1 involute inner spline; The cutterhead main shaft 3-1 middle part gear teeth and planetary wheeling assembly 3-2 engagement, the anterior gear teeth and pinion 3-7 engagement; Revolving the interior central axis of drill 3-4 has broken core drill bit 3-11, is used for the second-time breakage of rock, revolves drill 3-4 middle part and has the square hole that is used to throw away fractured rock.
During work; Motor passes to cutting arm main shaft 2-1 with power through cut reducer 1 two-stage planetary gear speed reducing mechanism; Again power is passed to cutterhead planetary gear speed reducing mechanism and pinion 3-7 simultaneously through cutterhead main shaft 3-1; Make and revolve drill 3-4 and carry out cut, pinion 3-7 drives eccentric disc 3-6 and rotates and makes reamer 3-3 rotate and radially move back and forth along it around cutterhead main shaft 3-1 central axis simultaneously, and the section cross section that comes out of cut is a similar oval-shaped profile 4 thus.
Claims (3)
1. one kind revolves and digs formula coal-winning machine and tunneling machine cutting portion, it is characterized in that: it comprises cut reducer (1), cutting arm (2) and the cutterhead (3) that connects successively; Described cut reducer (1) comprises two-stage planetary gear speed reducing mechanism, coupling band (1-1) and reducer output shaft (1-4); Coupling band (1-1) connects with cut reducer first order planetary gear speed reducing mechanism (1-2) through involute spline, and second level planetary gear speed reducing mechanism (1-3) connects with reducer output shaft (1-4) through involute spline; Described cutting arm (2) comprises cutting arm main shaft (2-1) and the cutting arm housing (2-2) that has involute inner spline; Involute outer spline one end of cutting arm main shaft (2-1) connects with the involute inner spline of reducer output shaft (1-4), and cutting arm housing (2-2) and cut reducer (1) pass through bolt; Described cutterhead (3) comprises and revolves drill (3-4), pick (3-5), reamer (3-3); Eccentric disc (3-6), pinion (3-7), the cutterhead main shaft (3-1) that has the anterior gear teeth, the middle part gear teeth and involute outer spline, bearing support (3-8), planetary wheeling assembly (3-2) and ring gear (3-9); Ring gear (3-9) and bearing support (3-8) are fixedly linked through bolt and cutting arm housing (2-2); Pick (3-5) is welded on the front end that revolves drill (3-4); Planetary wheeling assembly (3-2) is installed in the rear end of revolving drill (3-4); The middle part of revolving drill (3-4) is equipped with six pinions (3-7); Pinion (3-7) is installed on through pinion bearing pin (3-10) and revolves in the drill (3-4), and pinion bearing pin (3-10) passes through splined with eccentric disc (3-6), and described reamer (3-3) comprises that symmetry is fixed on the Y shape bull stick that revolves drill (3-4) rearward end; The height of Y shape bull stick is greater than the radius that revolves drill (3-4); The outer end of Y shape bull stick is welded with the reaming pick, and Y shape bull stick is provided with and the reamer eccentric shaft (3-3-1) that fixes to eccentric disc (3-6), and involute outer spline one end of cutterhead main shaft (3-1) connects with cutting arm main shaft (2-1) involute inner spline; Cutterhead main shaft (3-1) the middle part gear teeth and planetary wheeling assembly (3-2) engagement, the anterior gear teeth and pinion (3-7) engagement; The middle part of revolving drill (3-4) is provided with the broken core drill bit (3-11) that is used for the second-time breakage rock.
2. according to claim 1 revolving dug formula coal-winning machine and tunneling machine cutting portion, it is characterized in that: described drill (3-4) middle part of revolving has the square hole that is used to throw away fractured rock.
3. according to claim 1 revolving dug formula coal-winning machine and tunneling machine cutting portion, it is characterized in that: described eccentric disc (3-6) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201133026U CN202500560U (en) | 2012-03-23 | 2012-03-23 | Rotary-drilling-type cutting unit of coal mining machine and heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201133026U CN202500560U (en) | 2012-03-23 | 2012-03-23 | Rotary-drilling-type cutting unit of coal mining machine and heading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202500560U true CN202500560U (en) | 2012-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201133026U Withdrawn - After Issue CN202500560U (en) | 2012-03-23 | 2012-03-23 | Rotary-drilling-type cutting unit of coal mining machine and heading machine |
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| CN (1) | CN202500560U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536227A (en) * | 2012-03-23 | 2012-07-04 | 中国矿业大学 | Rotary-digging type coal mining machine and development machine cutting part |
| CN109072695A (en) * | 2016-01-27 | 2018-12-21 | 久益环球地下采矿有限责任公司 | Mining machine with multiple cutting heads |
| CN108825255B (en) * | 2018-06-15 | 2019-08-13 | 中国矿业大学 | A kind of combined type cutting units for boom-type roadheader |
| US10738608B2 (en) | 2016-08-19 | 2020-08-11 | Joy Global Underground Mining Llc | Cutting device and support for same |
| US10876400B2 (en) | 2016-08-19 | 2020-12-29 | Joy Global Underground Mining Llc | Mining machine with articulating boom and independent material handling system |
| US11203930B2 (en) | 2016-09-23 | 2021-12-21 | Joy Global Underground Mining Llc | Machine supporting rock cutting device |
| US11319754B2 (en) | 2018-07-25 | 2022-05-03 | Joy Global Underground Mining Llc | Rock cutting assembly |
| US11371346B2 (en) | 2012-09-14 | 2022-06-28 | Joy Global Underground Mining Llc | Cutter head for mining machine |
| US11391149B2 (en) | 2016-08-19 | 2022-07-19 | Joy Global Underground Mining Llc | Mining machine with articulating boom and independent material handling system |
-
2012
- 2012-03-23 CN CN2012201133026U patent/CN202500560U/en not_active Withdrawn - After Issue
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536227A (en) * | 2012-03-23 | 2012-07-04 | 中国矿业大学 | Rotary-digging type coal mining machine and development machine cutting part |
| US11725512B2 (en) | 2012-09-14 | 2023-08-15 | Joy Global Underground Mining Llc | Method for removing material from a rock wall |
| US11371346B2 (en) | 2012-09-14 | 2022-06-28 | Joy Global Underground Mining Llc | Cutter head for mining machine |
| CN109072695B (en) * | 2016-01-27 | 2021-04-06 | 久益环球地下采矿有限责任公司 | Mining machine with multiple cutting heads |
| CN109072695A (en) * | 2016-01-27 | 2018-12-21 | 久益环球地下采矿有限责任公司 | Mining machine with multiple cutting heads |
| US10876399B2 (en) | 2016-01-27 | 2020-12-29 | Joy Global Underground Mining Llc | Mining machine with multiple cutter heads |
| US11613993B2 (en) | 2016-08-19 | 2023-03-28 | Joy Global Underground Mining Llc | Cutting device and support for same |
| US10876400B2 (en) | 2016-08-19 | 2020-12-29 | Joy Global Underground Mining Llc | Mining machine with articulating boom and independent material handling system |
| US11391149B2 (en) | 2016-08-19 | 2022-07-19 | Joy Global Underground Mining Llc | Mining machine with articulating boom and independent material handling system |
| US10738608B2 (en) | 2016-08-19 | 2020-08-11 | Joy Global Underground Mining Llc | Cutting device and support for same |
| US11939868B2 (en) | 2016-08-19 | 2024-03-26 | Joy Global Underground Mining Llc | Cutting device and support for same |
| US11203930B2 (en) | 2016-09-23 | 2021-12-21 | Joy Global Underground Mining Llc | Machine supporting rock cutting device |
| US11598208B2 (en) | 2016-09-23 | 2023-03-07 | Joy Global Underground Mining Llc | Machine supporting rock cutting device |
| US11846190B2 (en) | 2016-09-23 | 2023-12-19 | Joy Global Underground Mining Llc | Rock cutting device |
| CN108825255B (en) * | 2018-06-15 | 2019-08-13 | 中国矿业大学 | A kind of combined type cutting units for boom-type roadheader |
| US11319754B2 (en) | 2018-07-25 | 2022-05-03 | Joy Global Underground Mining Llc | Rock cutting assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121024 Effective date of abandoning: 20140115 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20121024 Effective date of abandoning: 20140115 |
|
| RGAV | Abandon patent right to avoid regrant |