CN102071934A - Heading machine and cantilever working mechanism thereof - Google Patents
Heading machine and cantilever working mechanism thereof Download PDFInfo
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- CN102071934A CN102071934A CN 201010606199 CN201010606199A CN102071934A CN 102071934 A CN102071934 A CN 102071934A CN 201010606199 CN201010606199 CN 201010606199 CN 201010606199 A CN201010606199 A CN 201010606199A CN 102071934 A CN102071934 A CN 102071934A
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- chip removal
- cantilever
- cutterhead
- operating mechanism
- removal portion
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Abstract
The invention discloses a cantilever working mechanism comprising a cutting head (1) and an expansion part (2), wherein the cutting head (1) is covered on the front end part of the expansion part (2); a spiral chip removal part (3) is arranged between the cutting head (1) and the expansion part (2); the spiral chip removal part (3) is connected to the cutting head (1); a gap (4) is formed between the chip removal part (3) and the expansion part (2); the spiral chip removal part (3) is cylindrical; and the inner wall surface of the spiral chip removal part (3) is provided with a spiral groove (31) of which the screwing-in direction is coincident with the rotation direction of the cutting head (1). The cantilever working mechanism with the structure has the advantages of strong chip removal function and better tightness. The invention also discloses a heading machine comprising a cantilever supporting mechanism and the cantilever working mechanism, wherein the cantilever working mechanism is supported on the cantilever supporting mechanism. The heading machine has the same technical effect with the cantilever working mechanism.
Description
Technical field
The present invention relates to the mining machinery technical field, relate in particular to a kind of cantilever operating mechanism that is used for development machine.The invention still further relates to a kind of development machine that comprises above-mentioned cantilever operating mechanism.
Background technology
Mining machinery is the machinery that is directly used in operations such as mineral mining and Fu Xuan, mainly comprises the three-dimensional machinery in coal mine excavation machinery, mine hoisting haulage device and mine etc.
Development machine is most important a kind of in the mining machinery, is mainly used in the tunnelling in mine and the underground construction.At present, the development machine of developing both at home and abroad and producing can be divided into by the working method difference of work structuring: cycle operation formula partial-size tunneling machine and continuous operating full face tunnel boring machine two big classes.
The flexible working mode of development machine, compliance is good, and appearance and size and weight are little, are convenient to maintenance and supporting, can realize broken coal petrography simultaneously, load transportation, transfer functions such as walking, spraying firing dust.Development machine mainly is made up of cantilever operating mechanism, cantilever support mechanism, shipment activity, walking mechanism, hydraulic system, electrical system and dust pelletizing system.Cantilever operating mechanism is the groundwork mechanism of partial-size tunneling machine, is made up of cutterhead, cut reducer, motor and pars contractilis.
Please refer to Fig. 1, Fig. 1 is the structural representation of the cantilever operating mechanism of development machine in the prior art, briefly introduces the defective that this cantilever operating mechanism exists in the course of the work below.
In the prior art, as shown in Figure 1, this cantilever operating mechanism comprise cutterhead 1 ' and pars contractilis 2 ', the broken coal petrography of cutterhead 1 ' be rotated motion, pars contractilis 2 ' with cutterhead 1 ' link, but not with cutterhead 1 ' rotation, thus cutterhead 1 ' and pars contractilis 2 ' between exist certain slit 3 '.In the tunneling machine cutting process, foreign matters such as ore deposit bits usually by cutterhead 1 ' and pars contractilis 2 ' between slit 3 ' enter into pars contractilis 2 ' inside, cause pars contractilis 2 ' inner body to damage.
At the problems referred to above, at present, method commonly used be cutterhead 1 ' with pars contractilis 2 ' between fill sealing substances such as felt, packing and realize sealing.Yet, in use for some time, filler such as felt and packing is usually because wearing and tearing etc. are former thereby inefficacy, and because the inefficacy of fillers such as felt and packing is difficult for being found, change fillers such as felt and packing in the down-hole also very inconvenient, often cause foreign matters such as ore deposit bits to enter pars contractilis 2 ' inside, cause damage parts such as bearing.
Therefore how on the basis of existing technology,, improve the structure of cantilever operating mechanism, make it have stronger chip removal function and better seal, prevent that foreign matter such as ore deposit bits from entering pars contractilis, be the technical problem that those skilled in the art should solve.
Summary of the invention
Purpose of the present invention aims to provide a kind of cantilever operating mechanism, and this cantilever operating mechanism has stronger chip removal function and better seal.Another object of the present invention aims to provide a kind of development machine that comprises above-mentioned cantilever operating mechanism.
For solving the problems of the technologies described above, the invention provides a kind of cantilever operating mechanism, comprise cutterhead and pars contractilis, described cutterhead is coated on the leading section of described pars contractilis; Be provided with spiral chip removal portion between described cutterhead and the described pars contractilis; Described spiral chip removal portion is connected in described cutterhead, and and described pars contractilis between the slit is arranged; Described spiral chip removal portion is tubular, and inner wall surface thereof is provided with the screw-in direction helicla flute consistent with the direction of rotation of described cutterhead.
Preferably, described helicla flute comprises first helicla flute and second helicla flute, and described first helicla flute and described second helicla flute distribute alternately.
Preferably, the radial depth difference of every adjacent two tooth forms of described spiral fluted, and the radial depth of the described tooth form of described spiral fluted is increased to the outside, slit gradually by inside, slit.
Preferably, the outside wall surface and the described cutterhead of described spiral chip removal portion removably connect.
Preferably, the outside wall surface of described spiral chip removal portion is provided with protruding ring, the through hole of a plurality of horizontal directions that evenly are provided with on the described protruding ring, and described spiral chip removal portion is connected with described cutterhead by screw in described through hole.
The present invention also provides a kind of development machine, comprises cantilever support mechanism; Described development machine also comprises above-mentioned cantilever operating mechanism, and described cantilever operating mechanism is supported in described cantilever support mechanism.
Cantilever provided by the invention operating mechanism comprises the spiral chip removal portion between cutterhead and pars contractilis; Spiral chip removal portion is connected in cutterhead, and and pars contractilis between the slit is arranged; Spiral chip removal portion is tubular, and inner wall surface thereof is provided with the screw-in direction helicla flute consistent with the direction of rotation of cutterhead.
In the course of the work, when cutterhead rotatablely moves broken coal petrography forward, because spiral chip removal portion is connected with cutterhead, and and pars contractilis between the slit is arranged, spiral chip removal portion rotatablely moves with cutterhead, promptly with pars contractilis between relative rotation because the spiral fluted screw-in direction is consistent with the direction of rotation of cutterhead, spiral chip removal portion can be in place, slit generation axial force backward.This axial force promptly is the suffered frictional force vertically of ore deposit bits, and this frictional force can stop the ore deposit bits at edge, slit to move forward into the slit greater than the gravity of ore deposit bits itself, plays good sealing function; And the ore deposit bits that enter in the slit can be discharged backward along the helicla flute of spiral chip removal portion inboard, realize stronger chip removal function.
This shows, adopt the cantilever operating mechanism of said structure, have stronger chip removal function and better seal, thereby avoided the ore deposit bits to enter the phenomenon of damaging other component such as bearing in the pars contractilis.
The present invention also provides a kind of development machine, comprises cantilevered support structure; Described development machine also comprises aforesaid cantilever operating mechanism, and described cantilever operating mechanism is supported in described cantilever support mechanism.
Because above-mentioned cantilever operating mechanism has above-mentioned technique effect, therefore, comprises that the development machine of this cantilever operating mechanism also should comprise identical technique effect, does not repeat them here.
Description of drawings
Fig. 1 is the structural representation of the cantilever operating mechanism of development machine in the prior art;
Fig. 2 is the structural representation of cantilever provided by the present invention operating mechanism;
Fig. 3 is the partial enlarged drawing of the spiral chip removal portion installation place among Fig. 2;
Fig. 4 is the structural representation of first kind of specific embodiment of the spiral chip removal portion among Fig. 2;
Fig. 5 is the side sectional view of Fig. 4.
Fig. 6 is the structural representation of second kind of specific embodiment of the spiral chip removal portion among Fig. 2;
Fig. 7 is the structural representation of the third specific embodiment of the spiral chip removal portion among Fig. 2.
Wherein, the corresponding relation of Reference numeral and component names is among Fig. 1:
1 ' cutterhead; 2 ' pars contractilis; 3 ' slit;
The corresponding relation of Reference numeral and component names is among Fig. 2 to Fig. 7:
1 cutterhead; 2 pars contractiliss; 3 spiral chip removal portions; 4 slits; 31 helicla flutes; 32 screws; 33 protruding rings; 311 first helicla flutes; 312 second helicla flutes; 331 through holes.
The specific embodiment
Core of the present invention is for providing a kind of cantilever operating mechanism, and this cantilever operating mechanism has stronger chip removal function and better seal.Another core of the present invention is for providing a kind of development machine that comprises above-mentioned cantilever operating mechanism.
In order to make those skilled in the art understand technical scheme of the present invention better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the structural representation of cantilever provided by the present invention operating mechanism; Fig. 3 is the partial enlarged drawing of the spiral chip removal portion installation place among Fig. 2.
In a kind of concrete embodiment, as shown in Figures 2 and 3, the cantilever operating mechanism of development machine provided by the present invention mainly comprises cutterhead 1, pars contractilis 2 and spiral chip removal portion 3.Cutterhead 1 is the critical piece of the broken coal petrography of development machine, is installed in cantilever operating mechanism foremost, realizes the fragmentation to coal petrography in the mine by rotatablely moving; Pars contractilis 2 is to realize the telescopic critical piece of cantilever operating mechanism, and pars contractilis 2 links with cutterhead 1, but does not rotate with cutterhead 1; Spiral chip removal portion 3 is critical pieces of realizing sealing of cantilever operating mechanism and chip removal, between cutterhead 1 and pars contractilis 2, be connected with cutterhead 1, and and pars contractilis 2 between leave slit 4, this spiral chip removal portion 3 is tubular, inner wall surface thereof also offers helicla flute 31, and the screw-in direction of this helicla flute 31 is consistent with the direction of rotation of cutterhead 1.
In the course of the work, when cutterhead 1 rotatablely moves broken coal petrography forward, because spiral chip removal portion 3 is connected with cutterhead 1, and and pars contractilis 2 between slit 4 is arranged, spiral chip removal portion 3 rotatablely moves with cutterhead 1, promptly with pars contractilis 2 between relative rotation because the screw-in direction of helicla flute 31 is consistent with the direction of rotation of cutterhead 1, spiral chip removal portion 3 can be in the slit 4 places generation axial force backward.This axial force promptly is the suffered frictional force vertically of ore deposit bits, and this frictional force can stop the ore deposit bits at 4 edges, slit to move forward into the slit greater than the gravity of ore deposit bits itself, plays good sealing function; And the ore deposit bits that enter in the slit 4 can be discharged backward along the helicla flute 31 of spiral chip removal portion 3 inboards, realize stronger chip removal function.In addition,, make spiral chip removal portion 3 convenient disassemblies, installation simply, be convenient to change because spiral chip removal portion 3 removably connects with cutterhead 1.
Here said " screw-in direction of helicla flute 31 is consistent with the direction of rotation of cutterhead 1 ", the rear portion that refers to cantilever operating mechanism is a viewpoint, when cutterhead 1 turns clockwise, the helicla flute 31 of clockwise screw-in should be set, promptly rotation direction is the thread groove 31 of dextrorotation; Rear portion with cantilever operating mechanism is a viewpoint, when cutterhead 1 is rotated counterclockwise, the helicla flute 31 of counterclockwise screw-in should be set, and promptly rotation direction is left-handed thread groove 31.
In the cantilever mechanism course of work, when cutterhead 1 turns clockwise, screw-in direction is that clockwise thread groove 31 turns clockwise with cutterhead 1, promptly being equivalent to right-handed thread screws in, ore deposit in the spiral chip removal portion 3 bits can be discharged to the outside in slit 4 like this, when preventing that screw-in direction when cutterhead 1 direction of rotation and thread groove 31 is opposite, on the contrary the bits of the ore deposit in the helicla flute 31 are transported to pars contractilis 2 inside.When cutterhead 1 opposite spin, inverse operation should be arranged, do not repeat them here.The user can process two kinds of screw thread chip removal devices 3 with thread groove 31 of different rotation directions, according to the direction of rotation difference of cutterhead 1, selects suitable screw thread chip removal device 3 for use.
In addition, the noun of locality of being mentioned in this manual " preceding " refers to from pars contractilis 2 to cutterhead the direction of 1 end, i.e. left direction among the figure; The noun of locality " back " refers to from the end of cutterhead 1 to the direction of pars contractilis 2, i.e. to the right direction among the figure; Should be appreciated that these nouns of locality are that benchmark is set up with the Figure of description, their appearance should not influence protection scope of the present invention.
This shows, adopt the cantilever operating mechanism of said structure, have stronger chip removal function and better seal, thereby avoided the ore deposit bits to enter the phenomenon of damaging other component such as bearing in the pars contractilis 2.
Need to prove; the foregoing description does not limit the concrete connected mode of the specific constructive form of helicla flute 31 of spiral chip removal portion 3 and spiral chip removal portion 3 and cutterhead 1; in fact; every being arranged between cutterhead 1 and the pars contractilis 2; be connected with cutterhead 1 and and pars contractilis 2 between the slit is arranged; the inboard offers the spiral chip removal portion 3 of helicla flute 31, all should work as to belong in protection scope of the present invention.
The ways of connecting of above-mentioned spiral chip removal portion 3 and cutterhead 1 can also further be set.
The lateral surface of above-mentioned spiral chip removal portion 3 can removably connect with cutterhead 1.As shown in Figure 3, can adopt modal screw 32 to connect, make spiral chip removal portion 3 convenient disassemblies, install simply, owing to be convenient to change during the wear out failure of ore deposit bits, and can make that the operation of processing and manufacturing of spiral chip removal portion 3 is simple in spiral chip removal portion 3.Certainly, spiral chip removal portion 3 is not limited in screw 32 with the mode of removably connecting of cutterhead 1 and is connected, and can also adopt the connection of other modes.
Please refer to Fig. 4 and Fig. 5, Fig. 4 is the structural representation of first kind of specific embodiment of the spiral chip removal portion among Fig. 2; Fig. 5 is the side sectional view of Fig. 4.
Further in the scheme, the internal face of spiral chip removal portion 3 can be offered a helicla flute 31, the outside wall surface of spiral chip removal portion 3 can offer protruding ring 33, the end face of this protruding ring 33 evenly offers the through hole 331 of a plurality of horizontal directions, above-mentioned cutterhead 1 offers corresponding blind hole with correspondence positions spiral chip removal portion 3 junctions; Spiral chip removal portion 3 removably connects by screw 32 and cutterhead 1 at through hole 331 places.Certainly, present embodiment does not limit the number of described screw 32, can be 4,6 or 8 etc., and those skilled in the art can select voluntarily by the consideration to the intensity of cutterhead 1 and spiral chip removal portion 3.
The form of structure of above-mentioned helicla flute 31 can also further be set.
Please refer to Fig. 6, Fig. 6 is the structural representation of second kind of specific embodiment of the spiral chip removal portion among Fig. 2.
In the concrete embodiment of another kind, as shown in Figure 6, the helicla flute 31 of above-mentioned spiral chip removal portion 3 can comprise first helicla flute 311 and second helicla flute 312, and first helicla flute 311 and second helicla flute 312 distribute alternately.Adopt such mechanism, promptly the internal face in spiral chip removal portion 3 is provided with the double thread structure, the single thread of comparing, and the pitch of double thread equals two times of single threaded pitch, in spiral chip removal portion rotary course, the ore deposit bits is screwed out faster.
Please refer to Fig. 7, Fig. 7 is the structural representation of the third specific embodiment of the spiral chip removal portion among Fig. 2.
In the third concrete embodiment, as shown in Figure 7, the radial depth difference of every adjacent two tooth forms of the helicla flute 31 of above-mentioned spiral chip removal portion 3, and deepen gradually to 4 outsides, slit by 4 inside, slit.Adopt such structure,, make the ore deposit bits of 4 outsides, slit be difficult to enter 4 inside, slit because the tooth form radial depth of 4 outsides, slit is bigger; Because the tooth form radial depth of 4 inside, slit is less, make the ore deposit bits of 4 inside, slit under action of centrifugal force, be easy to screw out.
In scheme more specifically, as shown in Figure 4 and Figure 5, the helicla flute 31 of above-mentioned spiral chip removal portion 3 can be the rectangle internal thread, adopt the helicla flute 31 of this form, the ore deposit bits can be discharged along the helix of helicla flute 31, realize the chip removal function and the sealing function of cantilever operating mechanism, and have simple, the lower-cost characteristics of processing and manufacturing.Certainly, the helicla flute 31 of above-mentioned spiral chip removal portion 3 can also be the internal thread of other shapes, for example triangle internal thread and trapezoidal internal thread, and those skilled in the art can select for use as required voluntarily.
The present invention also provides a kind of development machine, comprises cantilevered support structure; This development machine also comprises above-mentioned cantilever operating mechanism, and cantilever operating mechanism is supported in the cantilever support mechanism.
Because above-mentioned cantilever operating mechanism has above-mentioned technique effect, therefore, the development machine that comprises above-mentioned cantilever operating mechanism also should have identical technique effect, does not repeat them here.
More than a kind of development machine provided by the present invention and cantilever operating mechanism thereof are described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (6)
1. a cantilever operating mechanism comprises cutterhead (1) and pars contractilis (2), and described cutterhead (1) is coated on the leading section of described pars contractilis (2); It is characterized in that, be provided with spiral chip removal portion (3) between described cutterhead (1) and the described pars contractilis (2); Described spiral chip removal portion (3) is connected in described cutterhead (1), and and described pars contractilis (2) between slit (4) is arranged; Described spiral chip removal portion (3) is tubular, and inner wall surface thereof is provided with the screw-in direction helicla flute (31) consistent with the direction of rotation of described cutterhead (1).
2. cantilever according to claim 1 operating mechanism is characterized in that described helicla flute (31) comprises first helicla flute (311) and second helicla flute (312), and described first helicla flute (311) and described second helicla flute (312) distribute alternately.
3. cantilever according to claim 1 operating mechanism, it is characterized in that, the radial depth difference of every adjacent two tooth forms of described helicla flute (31), and the radial depth of the described tooth form of described helicla flute (31) increases to outside, slit (4) gradually by slit (4) are inner.
4. according to each described cantilever operating mechanism of claim 1-3, it is characterized in that the outside wall surface of described spiral chip removal portion (3) and described cutterhead (1) removably connect.
5. cantilever according to claim 4 operating mechanism, it is characterized in that, the outside wall surface of described spiral chip removal portion (3) is provided with protruding ring (33), described protruding ring (33) is gone up the through hole (331) of a plurality of horizontal directions that evenly are provided with, and described spiral chip removal portion (3) locates to be connected with described cutterhead (1) by screw (32) at described through hole (331).
6. a development machine comprises cantilever support mechanism; It is characterized in that described development machine also comprises each described cantilever operating mechanism as claim 1-5, described cantilever operating mechanism is supported in described cantilever support mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010606199A CN102071934B (en) | 2010-12-27 | 2010-12-27 | Heading machine and cantilever working mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010606199A CN102071934B (en) | 2010-12-27 | 2010-12-27 | Heading machine and cantilever working mechanism thereof |
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| CN102071934A true CN102071934A (en) | 2011-05-25 |
| CN102071934B CN102071934B (en) | 2012-10-03 |
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| CN201010606199A Active CN102071934B (en) | 2010-12-27 | 2010-12-27 | Heading machine and cantilever working mechanism thereof |
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Citations (9)
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|---|---|---|---|---|
| US4568128A (en) * | 1983-01-11 | 1986-02-04 | Coal Industry (Patents) Ltd. | Rotary cutter heads for mineral mining machines |
| SU1671847A1 (en) * | 1989-01-13 | 1991-08-23 | Украинский Научно-Исследовательский И Проектно-Конструкторский Институт Подземной Гидравлической Добычи Угля | Coal winning machine actuator |
| CN2900789Y (en) * | 2006-05-19 | 2007-05-16 | 三一重型装备有限公司 | Water seal externally placed tunnelling machine cutter part cutterhead |
| CN101086207A (en) * | 2006-06-09 | 2007-12-12 | 三一重型装备有限公司 | External tunneling machine cutting part cutting head for sealing water |
| CN201093073Y (en) * | 2007-11-02 | 2008-07-30 | 铁岭桦林浮动油封有限公司 | Water rotary seal assembly |
| CN201149080Y (en) * | 2007-12-28 | 2008-11-12 | 三一重型装备有限公司 | Rotary sealing device with water seal at exterior |
| CN101876250A (en) * | 2009-01-16 | 2010-11-03 | 桑德威克采矿和建筑有限责任公司 | Longitudinal cutting head for heading or mining machines |
| CN201650281U (en) * | 2010-04-16 | 2010-11-24 | 三一重型装备有限公司 | Header cutting mechanism |
| CN201924923U (en) * | 2010-12-27 | 2011-08-10 | 三一重型装备有限公司 | Roadheader and cantilever operation mechanism thereof |
-
2010
- 2010-12-27 CN CN201010606199A patent/CN102071934B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4568128A (en) * | 1983-01-11 | 1986-02-04 | Coal Industry (Patents) Ltd. | Rotary cutter heads for mineral mining machines |
| SU1671847A1 (en) * | 1989-01-13 | 1991-08-23 | Украинский Научно-Исследовательский И Проектно-Конструкторский Институт Подземной Гидравлической Добычи Угля | Coal winning machine actuator |
| CN2900789Y (en) * | 2006-05-19 | 2007-05-16 | 三一重型装备有限公司 | Water seal externally placed tunnelling machine cutter part cutterhead |
| CN101086207A (en) * | 2006-06-09 | 2007-12-12 | 三一重型装备有限公司 | External tunneling machine cutting part cutting head for sealing water |
| CN201093073Y (en) * | 2007-11-02 | 2008-07-30 | 铁岭桦林浮动油封有限公司 | Water rotary seal assembly |
| CN201149080Y (en) * | 2007-12-28 | 2008-11-12 | 三一重型装备有限公司 | Rotary sealing device with water seal at exterior |
| CN101876250A (en) * | 2009-01-16 | 2010-11-03 | 桑德威克采矿和建筑有限责任公司 | Longitudinal cutting head for heading or mining machines |
| CN201650281U (en) * | 2010-04-16 | 2010-11-24 | 三一重型装备有限公司 | Header cutting mechanism |
| CN201924923U (en) * | 2010-12-27 | 2011-08-10 | 三一重型装备有限公司 | Roadheader and cantilever operation mechanism thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102071934B (en) | 2012-10-03 |
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Effective date of registration: 20160809 Address after: 413000 Yiyang high tech Zone in the eastern part of the New District of integrated services building, Room 502, Hunan Patentee after: Yiyang science and Technology Achievement Transformation Service Center Patentee after: Sany Heavy Equipment Co.,Ltd. Address before: Yansai Lake Street 110027 economic and Technological Development Zone Liaoning city Shenyang province No. 31 Patentee before: Sany Heavy Equipment Co.,Ltd. |