CN102635355B - Cutting part of tunneling machine - Google Patents

Cutting part of tunneling machine Download PDF

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Publication number
CN102635355B
CN102635355B CN201210140741.0A CN201210140741A CN102635355B CN 102635355 B CN102635355 B CN 102635355B CN 201210140741 A CN201210140741 A CN 201210140741A CN 102635355 B CN102635355 B CN 102635355B
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CN
China
Prior art keywords
cutterhead
water
water route
reducing gear
gear
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Application number
CN201210140741.0A
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Chinese (zh)
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CN102635355A (en
Inventor
王艳杰
刘德林
蒋国际
张强
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中传重型装备有限公司
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Priority to CN201210140741.0A priority Critical patent/CN102635355B/en
Publication of CN102635355A publication Critical patent/CN102635355A/en
Application granted granted Critical
Publication of CN102635355B publication Critical patent/CN102635355B/en

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Abstract

The invention relates to a cutting part of a tunneling machine, wherein a cutting head is positioned at the front end of a speed reducing mechanism; one end of a telescopic device is connected with the speed reducing mechanism through a connecting seat; the other end of the telescopic device is connected with the motor; the telescopic device comprises a telescopic protective barrel, a telescopic inner barrel, a telescopic outer barrel, the connecting seat, a telescopic transmission shaft and a telescopic oil cylinder, wherein the telescopic outer barrel is connected with a shell of the motor through a flange; the telescopic protective barrel is connected with the telescopic inner barrel through the connecting seat; the two ends of the telescopic oil cylinder are respectively connected with the outer wall of the telescopic protective barrel and a casing of the motor; one end of the telescopic transmission shaft is fixedly connected with an output shaft of the motor; the other end of the telescopic transmission shaft is fixedly connected with an input end of the speed reducing mechanism; the speed reducing mechanism comprises two stages of planetary gear trains; the input end is a solar wheel shaft of a first-stage planetary gear train; the output end is an inner gear ring of the second-stage planetary gear train; a spraying system comprises a water circulating pipeline, an inner water channel of the speed reducing mechanism and a spray hole of the cutting head; and the inner water channel of the speed reducing mechanism comprises an inner water channel of the first-stage planetary gear train and the inner water channel of the second-stage planetary gear train.

Description

Cutting part of heading machine

Technical field

The present invention relates to a kind of cutting units, is the critical piece mating with development machine in mine, colliery and construction of tunnel equipment.

Background technology

At mining machinery, in colliery and engineering tunnel exploitation, environment is severe, vibration is large, dust is many, therefore, inner sprayer unit should be equipped with on cutting mechanism for heading machine, eliminate dust, therefore need to adopt efficient water-stop technology to prevent the appearance of seepage phenomenon, and in existing development machine water-stop technology, the water channel of the internal spraying system of cutting mechanism for heading machine is to be arranged at stretching device inside, need to take the area of seal approach large, because spraying needs higher hydraulic pressure, be difficult to guarantee sealing effectiveness, very easily occur entering in stretching device after water oozes, make lubrication failure, and then it is cracked that bearing occurs, the problems such as power transmission shaft corrosion, in addition in development machine working environment, dust is many, therefore also should prevent that dust from entering cutting mechanism inside,

Therefore, how on prior art basis, develop that a kind of to have water-stop reliability high, easy for installation, can prevent that the foreign matters such as ore deposit bits, dust from entering the cut transmission device of cutting mechanism inside, be the problem that existing technical staff should solve simultaneously.

Summary of the invention

The object of the invention is to, the sealing effectiveness existing for traditional cutting part of heading machine internal spraying system is poor, easily infiltration, and once water enters in stretching device after oozing, can make lubrication failure, meanwhile, the foreign matters such as the ore deposit bits in external environment, dust also easily enter cutting mechanism inside, affect the practical problem in application life, a kind of new cutting part of heading machine is provided.

The object of the present invention is achieved like this: a kind of cutting part of heading machine, comprise cutterhead, stretching device, reducing gear and internal spraying system, and it is characterized in that:

A) cutterhead is positioned at reducing gear front end, and reducing gear is connected with stretching device one end by Connection Block, and the other end of stretching device is connected with motor;

B) described stretching device comprises flexible protection cylinder, flexible inner core, outer telescopic tube, Connection Block, flexible power transmission shaft and telescopic oil cylinder; Wherein, outer telescopic tube is sleeved in flexible protection cylinder, and flexible inner core is sleeved in outer telescopic tube, and flexible power transmission shaft is arranged in flexible inner core; Outer telescopic tube is connected by flange with the housing of motor, flexible protection cylinder is fixedly connected with flexible inner core by Connection Block, telescopic oil cylinder one end is connected with flexible protection drum outer wall, the other end is connected with motor housing, one end of flexible power transmission shaft is fixedly connected with motor output shaft, and the other end is fixedly connected with the input of reducer mechanism;

C) described reducing gear comprises gear for two stage planetary gear train, wherein, the planet carrier of second level planet circular system is fixedly connected with first order ring gear, the input of reducing gear is the sun wheel shaft of first order planet circular system, output is the ring gear of second level planet circular system, and described cutterhead is fixedly connected with the ring gear of second level planet circular system;

D) spraying system comprises the interior water route of water service pipe, reducing gear and the spray holes of cutterhead, water service pipe is located at the outer wall of stretching device, water service pipe is linked up by the interior water route of Connection Block and the interior water route of reducing gear, and the water that enters interior water route is finally sprayed by the spray holes of cutterhead.

In technical scheme of the present invention: described flexible power transmission shaft is comprised of the male splined shaft of inner spline housing and coupling, described inner spline housing is fixedly connected with the output shaft of motor, dock with inner spline housing by spline described male splined shaft one end, and the other end is fixedly connected with the input of reducing gear.

In technical scheme of the present invention: described cutterhead is connected by flat key with the ring gear of reducing gear second level planet circular system, simultaneously, the ring gear of second level planet circular system also at least adopts 4 equally distributed hex boltss to be fixedly connected with cutterhead joint portion, the head of described hex bolts is provided with locking lockhole, after the ring gear of second level planet circular system and cutterhead are fixing, the locking lockhole in adjacent hex bolts is spacing by the wire that is the figure of eight and is wound around.

In technical scheme of the present invention: be provided with sealing water cavity between second level planet carrier end and cutterhead inwall, the spray holes of cutterhead and described sealing water cavity are linked up; Water in water service pipe enters sealing water cavity by the interior water route of Connection Block and reducing gear, by the spray holes of cutterhead, is sprayed.

In technical scheme of the present invention: described sealing water cavity refers to that second level planet carrier end inserts after cutterhead, the chamber forming between its top and cutterhead inwall, second level planet carrier end and cutterhead inwall joint portion are provided with sealing ring.

In technical scheme of the present invention: the sealing ring of second level planet carrier end and cutterhead inwall joint portion is water-stop Glais ring.

In technical scheme of the present invention: the joint portion, interior water route of the joint portion, interior water route of water service pipe and Connection Block, the interior water route of Connection Block and reducing gear, the ring gear joint portion of cutterhead and second level planet circular system is equipped with static sealing ring.

In technical scheme of the present invention: water service pipe is O RunddichtringO by the static sealing ring of the joint portion, interior water route of the joint portion, interior water route of water pipe head and Connection Block and the interior water route of Connection Block and reducing gear.

In technical scheme of the present invention: in reducing gear, water route comprises the interior water route of first order ring gear and the interior water route of second level planet carrier, in first order ring gear and second level planet carrier, the joint portion in water route is provided with static sealing ring.

The invention has the advantages that: because the spraying system relating in internal spraying system of the present invention comprises water service pipe, the interior water route of reducing gear and the micropore of cutterhead, wherein, water service pipe is located at the outer wall of stretching device, water service pipe is linked up by the interior water route of Connection Block and the interior water route of reducing gear, in reducing gear, water route comprises the interior water route of first order ring gear and the interior water route of second level planet carrier, the planet carrier of the second level planet circular system of reducing gear is fixedly connected with first order ring gear, it is relatively static that this form of structure has guaranteed that each docking site, interior water route is, therefore, encapsulation scheme ratio is easier to realize, especially the joint portion, interior water route of water service pipe and Connection Block, the joint portion, interior water route of the interior water route of Connection Block and reducing gear, the ring gear joint portion of cutterhead and second level planet circular system, and in first order ring gear and second level planet carrier, the joint portion in water route is equipped with static sealing ring, good sealing effect not only, and long service life.

The present invention be advantageous in that, because stretching device comprises flexible protection cylinder, flexible inner core, outer telescopic tube, Connection Block, flexible power transmission shaft etc.; Wherein, outer telescopic tube is sleeved in flexible protection cylinder, and flexible inner core is sleeved in outer telescopic tube, and flexible power transmission shaft is arranged in flexible inner core; Outer telescopic tube is connected by flange with the housing of motor, and flexible protection cylinder is fixedly connected with flexible inner core by Connection Block; Meanwhile, the ring gear joint portion of cutterhead and second level planet circular system is provided with static sealing ring, and these measures can prevent that the foreign matters such as ore deposit bits in external environment, dust from entering cutting mechanism inside, affects the application life of cutting part of heading machine.

The present invention is simple in structure, easy to maintenance.

Accompanying drawing explanation

Fig. 1 is cut transmission structures schematic diagram provided by the present invention;

Fig. 2 is the inner local water route of cut slowing-down structure enlarged drawing.

In figure, 1. cutterhead, 2. seal water cavity, 3. the interior water route of reducing gear, 4. flat key, 5. reducing gear, 6. the ring gear of second level planet circular system, 7. static sealing ring, 8. second level planet carrier, 9.O RunddichtringO, 10. limbers on first order ring gear, the interior water route of 11. Connection Blocks, 12. water pipe heads, 13. pipe clamps, 14. water service pipes, 15. stretching devices, 16. telescopic oil cylinders, 17. inner spline housings, 18. alignment pins, 19. motors, 20. outer telescopic tubes, 21. male splined shafts, 22. bearings, 23. flexible inner cores, 24. flexible protection cylinders, 25. Connection Blocks, 26. water-stop Glais rings.

The specific embodiment

Accompanying drawing discloses the concrete structure of the embodiment of the present invention without limitation, and below in conjunction with accompanying drawing, the invention will be further described.

As seen from Figure 1, the present invention includes cutterhead 1, stretching device 15, reducing gear 5 and internal spraying system, wherein: cutterhead 1 is positioned at reducing gear 5 front ends, reducing gear 5 is connected with one end of stretching device 15 by Connection Block 25, and the other end of stretching device 15 is connected with motor 19.

Described stretching device 15 comprises flexible protection cylinder 24, flexible inner core 23, outer telescopic tube 20, Connection Block 25, flexible power transmission shaft and telescopic oil cylinder 16; Wherein, outer telescopic tube 20 is sleeved in flexible protection cylinder 24, and flexible inner core 23 is sleeved in outer telescopic tube 20, and flexible power transmission shaft adopts pair of bearings 22 to be supported in flexible inner core 23; Outer telescopic tube 20 is connected by flange with the housing of motor 19; flexible protection cylinder 24 is fixedly connected with flexible inner core 23 by Connection Block 25; telescopic oil cylinder 16 one end are connected with flexible protection cylinder 24 outer walls; the other end is connected with motor 19 shells; one end of flexible power transmission shaft is fixedly connected with motor 19 output shafts, and the other end is fixedly connected with the input of reducer mechanism 5.

Described reducing gear 5 comprises gear for two stage planetary gear train, wherein, second level planet carrier 8 is fixedly connected with first order ring gear, the input of reducing gear 5 is the sun wheel shaft of first order planet circular system, output is the ring gear 6 of second level planet circular system, and described cutterhead 1 is fixedly connected with the ring gear 6 of second level planet circular system.

Spraying system comprises the interior water route 3 of water service pipe 14, reducing gear and the spray holes of cutterhead 1, water service pipe 14 is located at the outer wall of stretching device 15, and by pipe clamp 13, be fixed on the outer wall of stretching device 15, water service pipe 14 docks with water route 11 in Connection Block by water pipe head 12, in Connection Block, water route 11 is linked up with the interior water route 3 of reducing gear, and the water that enters water route 3 in reducing gear is finally sprayed by the spray holes of cutterhead 1.

In the present embodiment: described flexible power transmission shaft by bearings in flexible inner core 23, described flexible power transmission shaft is comprised of the male splined shaft 21 of inner spline housing 17 and coupling, wherein, inner spline housing 17 is fixedly connected with the output shaft of motor 19 by alignment pin 18, dock with inner spline housing 17 by spline male splined shaft 21 one end, and the other end docks with the input of reducing gear 5 by spline.Described cutterhead 1 is fixedly connected with by flat key 4 location with the ring gear 6 of reducing gear 5 second level planet circular systems; Planet carrier 8 ends in the second level insert after cutterheads 1, form sealing water cavity 2 between its top and cutterhead inwall, the spray holes of cutterhead 1 and described sealing water cavity 2 communications; The interior water route of water in water service pipe 14 by Connection Block 25 and reducing gear 5 enters sealing water cavity 2, by the spray holes of cutterhead 1, sprayed.

In the present embodiment: water service pipe 14 is equipped with O RunddichtringO 9 with 11 joint portions, the interior water route of Connection Block, the interior water route 11 of Connection Block with 3 joint portions, the interior water route of reducing gear; Second level planet carrier end 8 is provided with Glais ring 26 for water-stop with cutterhead 1 inwall joint portion; Cutterhead 1 is provided with static sealing ring 7 with ring gear 6 joint portions of second level planet circular system.

During concrete enforcement, in reducing gear, water route 11 is by the interior water route of first order ring gear and the interior water route of second level planet carrier 8, and the joint portion in first order ring gear and second level planet carrier 8 interior water routes is provided with static sealing ring.Described cutterhead 1 is connected by flat key 4 with the ring gear 6 of reducing gear 5 second level planet circular systems; Between the ring gear 6 of second level planet circular system and cutterhead 1, adopt at least again 4 equally distributed hex boltss to be fixedly connected with, described hexagon bolt head is equipped with locking lockhole, after the ring gear 6 of second level planet circular system is connected with cutterhead 1, the locking lockhole in adjacent hex bolts is spacing by the wire that is the figure of eight and is wound around.

Claims (9)

1. a cutting part of heading machine, comprises cutterhead, stretching device, reducing gear and spraying system, it is characterized in that:
A) cutterhead is positioned at reducing gear front end, and reducing gear is connected with stretching device one end by Connection Block, and the other end of stretching device is connected with motor;
B) described stretching device comprises flexible protection cylinder, flexible inner core, outer telescopic tube, Connection Block, flexible power transmission shaft and telescopic oil cylinder; Wherein, outer telescopic tube is sleeved in flexible protection cylinder, and flexible inner core is sleeved in outer telescopic tube, and flexible power transmission shaft is arranged in flexible inner core; Outer telescopic tube is connected by flange with the housing of motor, flexible protection cylinder is fixedly connected with flexible inner core by Connection Block, telescopic oil cylinder one end is connected with flexible protection drum outer wall, the other end is connected with motor housing, one end of flexible power transmission shaft is fixedly connected with motor output shaft, and the other end is fixedly connected with the input of reducer mechanism;
C) described reducing gear comprises gear for two stage planetary gear train, wherein, the planet carrier of second level planet circular system is fixedly connected with first order ring gear, the input of reducing gear is the sun wheel shaft of first order planet circular system, output is the ring gear of second level planet circular system, and described cutterhead is fixedly connected with the ring gear of second level planet circular system;
D) spraying system comprises the spray holes of water service pipe, the interior water route of reducing gear and cutterhead, wherein, in reducing gear, water route comprises the interior water route of first order ring gear and the interior water route of second level planet carrier, water service pipe is located at the outer wall of stretching device, water service pipe is linked up by water route in water route in Connection Block and reducing gear, and the water that enters water route in reducing gear is finally sprayed by the spray holes of cutterhead.
2. cutting part of heading machine according to claim 1, it is characterized in that: described flexible power transmission shaft is comprised of the male splined shaft of inner spline housing and coupling, described inner spline housing is fixedly connected with the output shaft of motor, dock with inner spline housing by spline described male splined shaft one end, and the other end is fixedly connected with the input of reducing gear.
3. cutting part of heading machine according to claim 1, it is characterized in that: described cutterhead is connected by flat key with the ring gear of reducing gear second level planet circular system, simultaneously, the ring gear of second level planet circular system also at least adopts 4 equally distributed hex boltss to be fixedly connected with cutterhead joint portion, the head of described hex bolts is provided with locking lockhole, after the ring gear of second level planet circular system and cutterhead are fixing, the locking lockhole in adjacent hex bolts is spacing by the wire that is the figure of eight and is wound around.
4. cutting part of heading machine according to claim 1, is characterized in that: between second level planet carrier end and cutterhead inwall, be provided with sealing water cavity, the spray holes of cutterhead and described sealing water cavity are linked up; Water in water service pipe enters sealing water cavity by the interior water route of Connection Block and reducing gear, by the spray holes of cutterhead, is sprayed.
5. cutting part of heading machine according to claim 4, it is characterized in that: described sealing water cavity refers to that second level planet carrier end inserts after cutterhead, the chamber forming between its top and cutterhead inwall, second level planet carrier end and cutterhead inwall joint portion are provided with sealing ring.
6. cutting part of heading machine according to claim 5, is characterized in that: the sealing ring of second level planet carrier end and cutterhead inwall joint portion is water-stop Glais ring.
7. cutting part of heading machine according to claim 1, is characterized in that: water service pipe is fixed on the outer wall of flexible protection cylinder by pipe clamp, in water service pipe and Connection Block, between water route, is provided with water pipe head.
8. according to the cutting part of heading machine one of claim 1~7 Suo Shu, it is characterized in that: joint portion, water route in water route and reducing gear first order ring gear in the joint portion, interior water route of water service pipe and Connection Block, Connection Block, the joint portion in water route in first order ring gear and second level planet carrier, and the ring gear joint portion of cutterhead and second level planet circular system is equipped with static sealing ring.
9. cutting part of heading machine according to claim 8, is characterized in that: in water service pipe and Connection Block, in the interior water route of the joint portion in water route and Connection Block and reducing gear, the static sealing ring of joint portion, water route is O RunddichtringO.
CN201210140741.0A 2012-05-08 2012-05-08 Cutting part of tunneling machine CN102635355B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210140741.0A CN102635355B (en) 2012-05-08 2012-05-08 Cutting part of tunneling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210140741.0A CN102635355B (en) 2012-05-08 2012-05-08 Cutting part of tunneling machine

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CN102635355B true CN102635355B (en) 2014-02-26

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102777177B (en) * 2012-08-18 2015-04-01 江苏中机矿山设备有限公司 Cantilever type coal cutter rocking arm
CN103195429B (en) * 2013-03-11 2014-12-10 中国矿业大学 High pressure water jet assisted cutting mechanism for heading machine
CN105173794B (en) * 2015-09-14 2018-11-06 中国矿业大学 A kind of rocker-arm coal bunker product coal conveyer for emptying warehouse and its method for cleaning
CN106609671A (en) * 2015-10-27 2017-05-03 刘素华 Reciprocating-impact heading machine with built-in rocker-arm telescopic cylinder
CN105464663B (en) * 2015-12-31 2017-08-25 辽宁鑫众科技股份有限公司 A kind of internal spraying formula cutting part of heading machine
CN105927220B (en) * 2016-06-28 2018-02-13 贵州盘江矿山机械有限公司 A kind of cutterhead attachment structure and remodeling method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4470636A (en) * 1980-12-24 1984-09-11 Paurat F Mining machine excavator drum having liquid spray control
CN101050703A (en) * 2007-05-11 2007-10-10 煤炭科学研究总院太原研究院 Underground continuous tunnelling machine
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
CN101153540A (en) * 2006-09-25 2008-04-02 贾民 Roadheader
CN101235718A (en) * 2007-12-21 2008-08-06 沈阳矿山机械(集团)有限责任公司 External type water channel inner sprayer unit
DE102007022439B4 (en) * 2007-05-10 2009-01-29 Rag Aktiengesellschaft Supply wiring harness
CN202690050U (en) * 2012-05-08 2013-01-23 中传重型装备有限公司 Cutting part of heading machine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4470636A (en) * 1980-12-24 1984-09-11 Paurat F Mining machine excavator drum having liquid spray control
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
CN101153540A (en) * 2006-09-25 2008-04-02 贾民 Roadheader
DE102007022439B4 (en) * 2007-05-10 2009-01-29 Rag Aktiengesellschaft Supply wiring harness
CN101050703A (en) * 2007-05-11 2007-10-10 煤炭科学研究总院太原研究院 Underground continuous tunnelling machine
CN101235718A (en) * 2007-12-21 2008-08-06 沈阳矿山机械(集团)有限责任公司 External type water channel inner sprayer unit
CN202690050U (en) * 2012-05-08 2013-01-23 中传重型装备有限公司 Cutting part of heading machine

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