CN102691501B - Tunneling machine and cutting part thereof - Google Patents
Tunneling machine and cutting part thereof Download PDFInfo
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- CN102691501B CN102691501B CN201210197585.1A CN201210197585A CN102691501B CN 102691501 B CN102691501 B CN 102691501B CN 201210197585 A CN201210197585 A CN 201210197585A CN 102691501 B CN102691501 B CN 102691501B
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Abstract
The invention discloses a cutting part of a tunneling machine, which comprises a speed reducer, a cutting head and a protection cylinder, wherein the speed reducer and the protection cylinder are fixedly connected, and the speed reducer and the protection cylinder are in transmission connection. Through such arrangement, the cutting part of the tunneling machine provided by the invention can effectively prevent coal slag, broken stone sediment and the like from entering the tunneling machine. The invention also discloses the tunneling machine comprising the cutting part.
Description
Technical field
The present invention relates to construction machinery production technical field, more particularly, relate in particular to a kind of development machine and cutting units thereof.
Background technology
In operation fields such as coal mine fully-mechanized mining, tunnelling, hydraulic engineering and traffic tunnels, development machine has obtained using widely.
Development machine is the machine for digging straight underground passage, is mainly made up of walking mechanism, operating mechanism, shipment activity and transferring mechanism.Along with walking mechanism is pushed ahead, the continuous fractured rock of operating mechanism, and detritus is transported.There are the advantages such as safe, efficient He Cheng lane quality is good.
The operating mechanism of development machine comprises cutting units and shovel board portion, and wherein the Main Function of cutting units is fractured rock etc., and the effect of shovel board portion is the rock after scraper fragmentation etc.
In prior art, cutting units in development machine operating mechanism comprises protection cylinder, cutterhead, cutting motor and reductor, wherein, cutting motor is connected with reductor, the mandrel of reductor runs through protection cylinder inside and is connected with cutterhead, the torque of cutting motor is passed to mandrel after reductor reduction of speed, mandrel drive cutterhead taking the bearing of trend of mandrel as axis around the rotation of protection cylinder, rock etc. is carried out to fragmentation; Between cutterhead and protection cylinder, be provided with floating seal.
But cutting units of the prior art in the course of the work, is responsible for the cutterhead of cutting rock and often can be all submerged in coal seam, rock stratum and work; The impurity such as the mud of the water generates of the interior external spraying ejection of cutterhead to the cinder, crushed stone and the development machine that produce after the fragmentation such as coal seam, rock can enter by the rear end of cutterhead the inside of cutting part of heading machine, thereby the impurity such as the floating seal that causes setting between cutterhead and protection cylinder and a large amount of cinder, crushed stone and mud contact; Thereby in the time that cutterhead rotates, floating seal and entering between cinder, crushed stone and the mud of cutting units rubs, and causes floating seal to occur wearing and tearing; Thereby shorten the application life of floating seal, had a strong impact on operating efficiency and the life-span of development machine.
Therefore, the problem that how to solve cinder, crushed stone and silt etc. and easily enter cutting part of heading machine, becomes those skilled in the art's technical barrier urgently to be resolved hurrily.
Summary of the invention
In view of this, the invention provides a kind of cutting part of heading machine, it can effectively avoid cinder, rubble silt etc. to enter development machine inside.The present invention also provides a kind of development machine that comprises above-mentioned cutting part of heading machine.
In order to achieve the above object, the embodiment of the present invention provides following technical scheme:
Cutting part of heading machine provided by the invention comprises reductor, cutterhead and protection cylinder, and described cutterhead is fixedly connected with described protection tin, and described reductor and described protection are tin for being in transmission connection.
Preferably, the inner peripheral wall of described protection cylinder is equipped with internal tooth, and the mandrel of described reductor is installed with gear, and described gear is meshed with described internal tooth.
Preferably, described reductor is inserted into the inside of described protection cylinder, and is provided with slewing supporting device between the shell of described reductor and the inner peripheral wall of described protection cylinder.
Preferably, described slewing supporting device comprise fixed cover be located at described reductor shell ring-type body and be arranged at the outer circle wall of described ring-type body and the inner peripheral wall of described protection cylinder between floating bearing.
Preferably, described ring-type body comprises the first revolution lug boss that is located on its outer circle wall, and described floating bearing is arranged between the outer circle wall of described the first revolution lug boss and the inner peripheral wall of described protection cylinder; Described protection cylinder is provided with the second revolution lug boss corresponding with the inner face of described the first revolution lug boss and the three revolution lug boss corresponding with the outer face of described the first revolution lug boss, and is equipped with thrust bearing between described the first revolution lug boss and described the second revolution lug boss and described the first revolution lug boss and described the 3rd revolution lug boss.
Preferably, described the 3rd revolution lug boss is removably connected in the end of described protection cylinder.
Preferably, described the 3rd revolution lug boss is connected with the end of described protection cylinder by bolt.
Preferably, between described the second revolution lug boss and the outer ring of described floating bearing and between described the 3rd revolution lug boss and the outer ring of described floating bearing, be equipped with spacer device.
Preferably, between described the second revolution top of lug boss and the outer circle wall of described ring-type body and between described the 3rd revolution top of lug boss and the outer circle wall of described ring-type body, be equipped with sealing device.
The present invention also provides a kind of development machine, comprises cutting units, and described cutting units is the cutting part of heading machine described in above-mentioned any one.
Cutting part of heading machine provided by the invention comprises reductor, cutterhead and protection cylinder, and described reductor cutterhead is fixedly connected with described protection tin, and described reductor and described protection are tin for being in transmission connection.
So arrange, cutting units provided by the invention, the output torque of reductor can drive to protection cylinder, and then drives protection cylinder to rotate.In addition,, because the cutterhead of cutting part of heading machine provided by the invention is fixedly connected with protection cylinder, cutterhead is by protecting cylinder to drive, and the two can not produce relative rotation.Therefore, between cutterhead and protection cylinder, without leaving running clearance, and then effectively avoided sandstone, cinder etc. to enter the problem of cutting units inside.
The present invention also provides a kind of development machine, comprises cutting units, and described cutting units is the cutting part of heading machine described in above-mentioned any one.Equally, so arrange, the problem that development machine provided by the invention can effectively avoid sandstone, cinder etc. to enter its cutting units inside, the derivation of the beneficial effect that the derivation of this beneficial effect and above-mentioned cutting units bring is substantially similar, therefore repeat no more herein.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is cutting units external structure schematic diagram in the specific embodiment of the invention;
Fig. 2 is cutting units inner connecting structure schematic diagram in the specific embodiment of the invention;
Fig. 3 is reductor and the another kind of transmission connecting structure schematic diagram of protecting cylinder in the specific embodiment of the invention.
Detailed description of the invention
The invention provides a kind of cutting part of heading machine, it can effectively avoid cinder, rubble silt etc. to enter development machine inside.The present invention also provides a kind of development machine that comprises above-mentioned cutting part of heading machine.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is cutting units external structure schematic diagram in the specific embodiment of the invention; Fig. 2 is cutting units inner connecting structure schematic diagram in the specific embodiment of the invention.
Cutting part of heading machine provided in the present embodiment, comprises reductor 11, cutterhead 12 and protection cylinder 13, wherein; cutterhead 12 is with protection cylinder 13 for being fixedly connected with, and for example, the two can be bolted to connection; certainly, also can be fixedly connected with by the mode such as pin joint, riveted joint.
Reductor 11 is with protection cylinder 13 for being in transmission connection, and reductor 11 can drive protection cylinder 13 to rotate.
Wherein, reductor 11 is in transmission connection and can realizes in the following way with protection cylinder 13, on the inner peripheral wall of protection cylinder 13, can be equipped with internal tooth 131, and the mandrel 111 of reductor 11 is provided with gear 112, and gear 112 is meshed with internal tooth 131.
Certainly, reductor 11 also can be realized and protection 13 is in transmission connection by alternate manner, such as, please refer to Fig. 3, Fig. 3 is reductor and the another kind of transmission connecting structure schematic diagram of protecting cylinder in the specific embodiment of the invention.
On the inner peripheral wall of same protection cylinder 13, can be equipped with internal tooth; the mandrel of reductor 11 is provided with driven wheel 21; between the internal tooth of driven wheel 21 and protection cylinder 13, can be provided with multiple travelling gears 22; such as; can be provided with three travelling gears 22; certainly, also can be provided with the travelling gear 22 of other quantity, travelling gear 22 is meshed with the internal tooth of driven wheel 21 and protection cylinder 13 simultaneously.So arrange, drive three travelling gears 22 to rotate by driven wheel 21 simultaneously, three travelling gears 22 drive again protects cylinder 13 to rotate, and so, can realize equally reductor 11 and protection 13 is in transmission connection.
So arrange, cutting units provided in the present embodiment, reductor 11 is extremely protected cylinder 13 by torque by the gear drive on mandrel, thereby drives protection 13 rotation.In addition, cutting units provided in the present embodiment, between its cutterhead 12 and protection cylinder 13, for being fixedly connected with, 13 rotations of protection cylinder can drive cutterhead 12 to rotate, between the two without relatively rotating, therefore the two is directly without leaving running clearance.Therefore, cutting units provided in the present embodiment, the problem that can effectively evade cinder, sandstone etc. and enter cutting units inside.
In addition; it should be noted that; due to cutting units in the course of the work; protection cylinder 13 load of bearing are larger; for the reliability that ensures that the internal tooth 131 of protection cylinder 13 is meshed with gear 112; cutting part of heading machine provided in the present embodiment, its reductor 11 can be inserted into the inside of protection cylinder 13, and is provided with slewing supporting device 14 between the shell of reductor 11 and the inner peripheral wall of protection cylinder 13.
So arrange; between the inner peripheral wall of the shell of reductor 11 and protection cylinder 13, slewing supporting device 14 is set; under the prerequisite of rotation that does not affect protection cylinder 13; protection cylinder 13 can be subject to the supporting role of slewing supporting device 14; even if protection cylinder 13 bears larger load in the course of the work, engaging between the internal tooth 131 of protection cylinder 13 and gear 112 also has higher reliability.
Slewing supporting device provided in the present embodiment can specific as followsly be stated setting, slewing supporting device 14 specifically protective sleeve be located at reductor 11 shell ring-type body 141 and be arranged at the outer circle wall of ring-type body 141 and the inner peripheral wall of protection cylinder 13 between floating bearing 142.
So arrange; owing to being provided with floating bearing 142 between ring-type body 141 and the inner peripheral wall of protection cylinder 13; protection cylinder 13 is under can the prerequisite of normal rotation; be subject to the supporting role of ring-type body 141; so can effectively prevent that protection cylinder 13 is in the time bearing radial load, its internal tooth 131 coordinates the problem of deflection with gear 112.
In addition; it should be noted that, in the course of the work, protection cylinder 13 also needs to bear larger axial force to cutting units; for axial dipole field occurs the relative gear 112 of internal tooth 131 that prevents protection cylinder 13, slewing supporting device 14 provided in the present embodiment also can be as following manner setting.
The ring-type body 141 of slewing supporting device 14 comprises the first revolution lug boss 151 that is located on its outer circle wall, and floating bearing 142 is arranged between the outer circle wall of the first revolution lug boss 151 and the inner peripheral wall of protection cylinder 13.
In addition; protection cylinder 13 is provided with the second revolution lug boss 152 corresponding with the inner face of the first revolution lug boss 151 and the three revolution lug boss 153 corresponding with the outer face of the first revolution lug boss 151, and is equipped with thrust bearing 16 between the first revolution lug boss 151 and the second revolution lug boss 152 and the first revolution lug boss 151 and the 3rd revolution lug boss 153.
It should be noted that, the inner face of the first revolution lug boss 151 means that the first revolution lug boss 151 penetrates with one end of protection cylinder 13 relatively, is close to one end of gear 112, and the outer face of the first revolution lug boss 151 means the opposite face of its inner face.
So arrange; cutting part of heading machine provided by the invention; when cutterhead is in the time carrying out work; protection cylinder 13 is subject to axial force; in the time there is microdisplacement in protection cylinder 13; owing to producing interaction force between the second revolution lug boss 152 arranging on protection cylinder 13 and the first revolution lug boss 151 and between the first revolution lug boss 151 and the 3rd revolution lug boss 153, can effectively prevent that protection cylinder 13 from producing axial dipole field, and then effectively prevent that internal tooth 131 and gear 112 from producing the problem of dislocation.
Simultaneously; owing to being equipped with thrust bearing 16 between the first revolution lug boss 151 and the second revolution lug boss 152 and the first revolution lug boss 151 and the 3rd revolution lug boss 153; in the time that protection cylinder 13 is subject to axial force; even produce active force between the first revolution lug boss 151 and the second revolution lug boss 152 and the first revolution lug boss 151 and the 3rd revolution lug boss 153; thrust bearing 16 can effectively be avoided producing friction between the second revolution lug boss 152 and the 3rd revolution lug boss 153 and the first revolution lug boss 151, and then can ensure the normal operation of protection cylinder 13.
In addition, in order to make ring-type body 141 pack smoothly protection cylinder 13 inside into, the 3rd revolution lug boss 153 provided in the present embodiment is removably connected in the end of protection cylinder 13.For example, the 3rd revolution lug boss 153 can be bolted in protection cylinder 13, certainly, also can pass through other connected mode.Make the 3rd revolution lug boss 153 removably be connected in protection cylinder 13, for example, also can be by the mode such as clamping, pin joint.
So arrange, while packing ring-type body 141 into protection cylinder 13 inside, only the 3rd revolution lug boss 153 need be pulled down by protection cylinder 13, ring-type body 141 can directly pack the inside of protecting cylinder 13 into, then the 3rd revolution lug boss 153 is loaded onto again.
In order to prevent that floating bearing 142 from axial float occurring, cutting part of heading machine provided in the present embodiment, is equipped with spacer device 17 between its second revolution lug boss 152 and the outer ring of floating bearing 142 and between the 3rd revolution lug boss 153 and the outer ring of floating bearing 142.
So arrange, spacer device 17 is connected between the second revolution lug boss 152 and the outer ring of floating bearing 142 and the 3rd turns round between lug boss 153 and the outer ring of floating bearing 142, has effectively suppressed floating bearing 142 and occur the problem of axial float.
In order to prevent that dust, sandstone etc. from entering slewing supporting device inside, and then floating bearing 142 and thrust bearing 16 are caused to the problem of wearing and tearing, cutting units provided in the present embodiment, is equipped with sealing device 18 between its second revolution top of lug boss 152 and the outer circle wall of ring-type body 141 and between the 3rd revolution top of lug boss 153 and the outer circle wall of ring-type body 141.
So arrange, sealing device 18 can effectively stop sandstone dust etc. to enter slewing supporting device inside, and then has effectively avoided the wear problem of floating bearing 142 with thrust bearing 16.
This detailed description of the invention also provides a kind of development machine, comprises cutting units, and this cutting units is the cutting part of heading machine described in above-mentioned arbitrary detailed description of the invention.
Equally, so arrange, development machine provided in the present embodiment can effectively avoid sandstone, cinder etc. to enter the problem of its cutting units inside, the derivation of the beneficial effect that in the derivation of this beneficial effect and above-mentioned detailed description of the invention, cutting units brings is substantially similar, therefore repeat no more herein.
In this manual, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiments, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a cutting part of heading machine, comprises reductor, cutterhead and protection cylinder, it is characterized in that, described cutterhead is fixedly connected with described protection tin, and described reductor and described protection are tin for being in transmission connection; Described reductor is inserted into the inside of described protection cylinder, and is provided with slewing supporting device between the shell of described reductor and the inner peripheral wall of described protection cylinder; Described slewing supporting device comprise fixed cover be located at described reductor shell ring-type body and be arranged at the outer circle wall of described ring-type body and the inner peripheral wall of described protection cylinder between floating bearing; Described ring-type body comprises the first revolution lug boss that is located on its outer circle wall, and described floating bearing is arranged between the outer circle wall of described the first revolution lug boss and the inner peripheral wall of described protection cylinder; Described protection cylinder is provided with the second revolution lug boss corresponding with the inner face of described the first revolution lug boss and the three revolution lug boss corresponding with the outer face of described the first revolution lug boss, and is equipped with thrust bearing between described the first revolution lug boss and described the second revolution lug boss and described the first revolution lug boss and described the 3rd revolution lug boss.
2. cutting part of heading machine as claimed in claim 1, is characterized in that, the inner peripheral wall of described protection cylinder is equipped with internal tooth, and the mandrel of described reductor is installed with gear, and described gear is meshed with described internal tooth.
3. a kind of cutting part of heading machine as claimed in claim 1, is characterized in that, described the 3rd revolution lug boss is removably connected in the end of described protection cylinder.
4. a kind of cutting part of heading machine as claimed in claim 3, is characterized in that, described the 3rd revolution lug boss is connected with the end of described protection cylinder by bolt.
5. a kind of cutting part of heading machine as claimed in claim 3, is characterized in that, between described the second revolution lug boss and the outer ring of described floating bearing and between described the 3rd revolution lug boss and the outer ring of described floating bearing, is equipped with spacer device.
6. a kind of cutting part of heading machine as claimed in claim 3, it is characterized in that, between described the second revolution top of lug boss and the outer circle wall of described ring-type body and between described the 3rd revolution top of lug boss and the outer circle wall of described ring-type body, be equipped with sealing device.
7. a development machine, comprises cutting units, it is characterized in that, described cutting units is the cutting part of heading machine as described in claim 1-6 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210197585.1A CN102691501B (en) | 2012-06-14 | 2012-06-14 | Tunneling machine and cutting part thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210197585.1A CN102691501B (en) | 2012-06-14 | 2012-06-14 | Tunneling machine and cutting part thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102691501A CN102691501A (en) | 2012-09-26 |
| CN102691501B true CN102691501B (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210197585.1A Active CN102691501B (en) | 2012-06-14 | 2012-06-14 | Tunneling machine and cutting part thereof |
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| CN (1) | CN102691501B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099048B (en) * | 2018-08-10 | 2020-02-07 | 辽宁新福源精密制造科技有限公司 | Main shaft of pipe-jacking tunneling machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT339235B (en) * | 1975-09-02 | 1977-10-10 | Voest Ag | SCRAPING MACHINE |
| DE19645650C1 (en) * | 1996-11-06 | 1998-01-22 | Webster Schaeff & Co | Rock face cutting head |
| CN201650281U (en) * | 2010-04-16 | 2010-11-24 | 三一重型装备有限公司 | Header cutting mechanism |
| CN201771500U (en) * | 2010-07-30 | 2011-03-23 | 三一重型装备有限公司 | Dustproof sealing structure |
| CN202170794U (en) * | 2011-08-11 | 2012-03-21 | 三一重型装备有限公司 | Development machine and cutting part thereof |
| CN102359374A (en) * | 2011-08-30 | 2012-02-22 | 湖南大地重型装备制造有限公司 | Retracting device of cutting arm of roadheader |
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2012
- 2012-06-14 CN CN201210197585.1A patent/CN102691501B/en active Active
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| CN102691501A (en) | 2012-09-26 |
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Effective date of registration: 20160721 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. |