CN110486030A - The cutting units of cutting hard rock and the cutting equipment of packaged type cutting section - Google Patents
The cutting units of cutting hard rock and the cutting equipment of packaged type cutting section Download PDFInfo
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- CN110486030A CN110486030A CN201910758571.4A CN201910758571A CN110486030A CN 110486030 A CN110486030 A CN 110486030A CN 201910758571 A CN201910758571 A CN 201910758571A CN 110486030 A CN110486030 A CN 110486030A
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- cutting
- cutterhead
- frame body
- speed reducer
- hard rock
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- 239000011435 rock Substances 0.000 title claims abstract description 57
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 71
- 230000005540 biological transmission Effects 0.000 claims description 51
- 230000005611 electricity Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000003447 ipsilateral effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000000003 hoof Anatomy 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- LLJRXVHJOJRCSM-UHFFFAOYSA-N 3-pyridin-4-yl-1H-indole Chemical compound C=1NC2=CC=CC=C2C=1C1=CC=NC=C1 LLJRXVHJOJRCSM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000030400 head development Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1086—Drives or transmissions specially adapted therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The present invention relates to hard rock driving technology field, specifically a kind of cutting units of cutting hard rock includes cutting frame body, motor, speed reducer and cutterhead, and motor is fixedly connected on the side of cutting frame body；Speed reducer and motor are fixedly connected on the same side of cutting frame body, and the output shaft of its input shaft and motor is sequentially connected, and input direction and the outbound course of speed reducer are vertically arranged；Cutterhead is arranged in cutting frame body front end, and it is connect with the output section of speed reducer, cutterhead is set as Wheel-type cutterhead, speed reducer drives cutterhead to rotate around its wheel disc central axis, motor and speed reducer is set as two, and be respectively fixedly connected in the symmetrical two sides of cutting frame body, two speed reducers drive cutterhead to rotate around its wheel disc central axis jointly.A kind of cutting equipment of packaged type cutting section, the cutting units of the cutting hard rock including front.Present application addresses the cutting units of cantilever excavator in the prior art can not cutting section hard rock the problem of.
Description
Technical field
The present invention relates to hard rock driving technology fields, and in particular to a kind of cutting units and packaged type cutting of cutting hard rock
The cutting equipment of section.
Background technique
Development machine is the key equipment of modern tunnel speedy drivage, and with rock mining, hardness rock out task is more next
It is more, and hard rock mole operating condition is severe, cutting mechanism is the core component of hard rock mole, the direct shadow of performance quality
Ring the structural strength and service life for arriving development machine.At this stage, as stone head development machine power increasingly increases, cutting high rigidity
When rock, cutterhead top pick stress increases, and cutting mechanism is made development machine by fierce impact or pick serious wear
Reliability seriously reduces, and worker is needed frequently to replace pick and associated components, seriously restricts excavation cost, while dig rock gangway
It seriously reduces into efficiency, is contradicted with the requirement of tunnel speedy drivage.
Hard rock shield machine can economic cutting solid rock, but flexibility is poor, is generally only suitable for circular tunnel section.Cantilever
Formula development machine can cutting section, but be unable to cutting hard rock.Therefore, packaged type section hard rock cutting equipment, tool
There is vast market prospect.
Summary of the invention
The purpose of the present invention is in view of the above problems and insufficient, the cutting units of a kind of cutting hard rock and removable is provided
The cutting equipment of dynamic formula cutting section, the good cutting units for solving cantilever excavator in the prior art can not cutting
The problem of section hard rock.
For achieving the above object, the technical scheme is that
A kind of cutting units of cutting hard rock, including cutting frame body, motor, speed reducer and cutterhead, motor are fixedly connected on institute
State the side of cutting frame body；Speed reducer and the motor are fixedly connected on the same side of the cutting frame body, and its input shaft
It is sequentially connected with the output shaft of the motor, input direction and the outbound course of the speed reducer are vertically arranged；Cutterhead setting
It is connect in cutting frame body front end, and with the output section of the speed reducer, the cutterhead is set as Wheel-type cutterhead, institute
Stating speed reducer drives the cutterhead to rotate around its wheel disc central axis.
According to a kind of cutting units of cutting hard rock, the motor is set as two, and is respectively fixedly connected in institute
State the symmetrical two sides of cutting frame body；The speed reducer is set as two, and is respectively fixedly connected in the symmetrical of the cutting frame body
Two sides；The cutterhead is arranged between two speed reducers and is fixedly connected with the output section of two speed reducers, two speed reducers
The cutterhead is driven to rotate around its wheel disc central axis jointly.
According to a kind of cutting units of cutting hard rock, the speed reducer includes Bevel Gear Transmission pair and planetary gear
Transmission, Bevel Gear Transmission pair include first bevel gear and second bevel gear, the gear shaft of the first bevel gear and the electricity
The gear shaft of the output axis connection of machine, the gear shaft of the first bevel gear and the second bevel gear is rotatably arranged on described subtract
In the fixing shell of fast machine, the fixing shell of the speed reducer is fixedly connected on cutting frame body；Planetary Gear Transmission pair includes
Sun gear, several planetary gears and ring gear, the sun gear are connected on the gear shaft of the second bevel gear, the sun gear
It is sequentially connected by several planetary gears and the ring gear, the ring gear is fixedly connected with the cutterhead.
According to a kind of cutting units of cutting hard rock, two sets of Planetary Gear Transmissions are set in the speed reducer
Pair, respectively first planetary gear transmission and the second Planetary Gear Transmission pair, the first planetary gear transmission and described
Second Planetary Gear Transmission pair shares a ring gear, the planetary gear number of the first planetary gear transmission and described second
The planetary gear number of Planetary Gear Transmission pair is different, the planetary gear wheel shaft of the first planetary gear transmission and second row
The planetary gear wheel shaft of star gear driving pair is arranged in a staggered manner.
According to a kind of cutting units of cutting hard rock, one end of the ring gear is fixedly connected with end cap, described interior
The other end of gear ring is connect with the fixing shell dynamic sealing of the speed reducer.
According to a kind of cutting units of cutting hard rock, central shaft hole is equipped in the middle part of the end face of the cutterhead, it is described
The periphery of ring gear is equipped with flange, and the ring gear partially protrudes into the central shaft hole, and is axially limited with the flange
The end face of the position cutterhead.
According to a kind of cutting units of cutting hard rock, helix arrangement pick is pressed on the periphery of shown cutterhead.
According to a kind of cutting units of cutting hard rock, the symmetrical two sides of the cutting frame body pass through a group oil cylinder with
Apparatus body connection, the oil cylinder are located at not ipsilateral, the oil of cutting frame body two sides of the cutting frame body with the motor
Cylinder is swung up and down by cutterhead described in extension and contraction control.
According to a kind of cutting units of cutting hard rock, one end of the oil cylinder and the first company being located on cutting frame body
Lug articulated connection, the other end of the oil cylinder are articulated and connected with the second engaging lug being located on apparatus body, the equipment sheet
The rear end end of the forward end of body and the cutting frame body is articulated and connected.
A kind of cutting equipment of packaged type cutting section, the cutting including cutting hard rock described in any bar of front
Portion.
A kind of beneficial effect of the cutting equipment of the cutting units and packaged type cutting section of cutting hard rock of the invention
Fruit:
1, a kind of cutting units of cutting hard rock of the application can apply to packaged type section hard rock cutting equipment, can
Economic quickly cutting solid rock, and there is certain flexibility, suitable for the shape of a hoof in 6 rice diameters, rectangular cross section is opened
It digs, forms a kind of novel device, improve the safety of constructing tunnel；
2, a kind of kind of drive that the cutting units of cutting hard rock is related to of the application and traditional development machine kind of drive are entirely different,
The kind of drive of the application belongs to cross shaft driving (motor, speed reducer and cutterhead not on the same axis), relative to answering at present
With a kind of widest longitudinal axis transmission (motor, speed reducer and cutterhead are on the same axis), the torque of output is big, cutterhead
Pick arrangement is more, and the cutterhead of Wheel-type is also more convenient the arrangement of pick, and cutting rock is high-efficient, and pick abrasion is small, into one
Step ground, by the double speed reducers of Dual-motors Driving, can get bigger when being respectively provided with motor and speed reducer in the two sides of cutting frame body
Driving force, the integral design high reliablity of speed reducer, easy for installation, cutterhead is driven by oil cylinder can be achieved cutting for arbitrary cross-section
It cuts, flexible operation, high reliablity；
3, the speed reducer in the present embodiment has compact-sized, small in size, matter using planetary gear pair transmitting power to cutterhead
It measures small, large carrying capacity, transmit the advantages that power bracket and transmission range are big, running noises are small, the high-efficient and service life is long, into one
Step ground, speed reducer is interior to be arranged two sets of Planetary Gear Transmission pairs, the planetary gear number and the second planet of first planetary gear transmission
The planetary gear number of gear driving pair is different, the planetary gear wheel shaft of first planetary gear transmission and the second Planetary Gear Transmission pair
Planetary gear wheel shaft be arranged in a staggered manner, can arrange planetary gear in more compact space, bigger torque be transmitted, thus guaranteeing
The volume of speed reducer is set to be configured smaller under the premise of the transmitting torque of speed reducer is biggish, more compact structure.
Detailed description of the invention
Fig. 1 is a kind of schematic view of the front view of the cutting units of cutting hard rock according to an embodiment of the present invention.
Fig. 2 is a kind of overlooking structure diagram of the cutting units of cutting hard rock according to an embodiment of the present invention.
Fig. 3 is a kind of left view structural representation of the cutting units of cutting hard rock according to an embodiment of the present invention.
Fig. 4 is a kind of vertical view schematic cross-sectional view of the cutting units of cutting hard rock according to an embodiment of the present invention.
Fig. 5 is the schematic view of the front view of speed reducer according to an embodiment of the present invention.
Fig. 6 is schematic diagram of main cross-sectional structure of speed reducer according to an embodiment of the present invention.
Fig. 7 is the A-A schematic cross-sectional view of Fig. 6.
Fig. 8 is the B-B schematic cross-sectional view of Fig. 6.
In figure: 100- cutting frame body, the first engaging lug of 101-, 200- motor, 300- speed reducer, 301- first bevel gear,
302- second bevel gear, the fixed shell of 303-, 304- sun gear, 305- planetary gear, 306- ring gear, 307- end cap, 400- are cut
Cut head, 500- oil cylinder, 600- apparatus body, the second engaging lug of 601-.
Specific embodiment
The with reference to the accompanying drawing and by specific embodiment cutting units to a kind of cutting hard rock of the invention and removable
The cutting equipment of dynamic formula cutting section does more detailed description.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
Referring to Fig. 1 and Fig. 8, the present embodiment is related to the exploitation of subway, tunnel, highway, specifically discloses a kind of cutting hard rock
Cutting units, suitable for the cutting equipment of packaged type cutting section, including cutting frame body 100, motor 200, speed reducer
300 and cutterhead 400, motor 200 be fixedly connected on the side of cutting frame body 100；Speed reducer 300 and the fixed company of motor 200
It connects in the same side of cutting frame body 100, and the output shaft of its input shaft and motor 200 is sequentially connected, the input of speed reducer 300
Direction is vertically arranged with outbound course；Cutterhead 400 is arranged in 100 front end of cutting frame body, and connects with the output section of speed reducer 300
It connects, cutterhead 400 is set as Wheel-type cutterhead 400, and speed reducer 300 drives cutterhead 400 to rotate around its wheel disc central axis.
The kind of drive of cutting units in the present embodiment belongs to cross shaft driving, and (motor 200, speed reducer 300 and cutterhead 400 be not same
On axis), relative to most widely used a kind of longitudinal axis transmission at present, (motor 200, speed reducer 300 and cutterhead 400 are same
On axis), the torque of output is big, and the arrangement of 400 pick of cutterhead is more, and the cutterhead 400 of Wheel-type is also more convenient pick
Arrangement, cutting rock is high-efficient, and pick abrasion is small.
It, can be in pair of cutting frame body 100 when motor 200 only being arranged in the side of cutting frame body 100 and when speed reducer 300
Claim side that cutterhead rotational support structure is set, but such set-up mode is not respectively provided with electricity in the symmetrical two sides of cutting frame body 100
The torque that machine 200 and speed reducer 300 transmit when driving cutterhead 400 jointly is big.
In the present embodiment, it is preferable that motor 200 is set as two, and is respectively fixedly connected in the symmetrical of cutting frame body 100
Two sides；Speed reducer 300 is set as two, and is respectively fixedly connected in the symmetrical two sides of cutting frame body 100；Cutterhead 400 is arranged
It is fixedly connected between two speed reducers 300 and with the output section of two speed reducers 300, driving is cut two speed reducers 300 jointly
It cuts first 400 to rotate around its wheel disc central axis, such set-up mode, drives two speed reducers 300 with two motors 200, slow down
Machine 300 drives a big cutterhead 400 simultaneously again, and the torque of output is bigger, and the kind of drive of transmission mechanism is more stable, mentions
The safety of high constructing tunnel.
The setting of speed reducer 300 needs the calculating such as the hardness of cutting rock, the torque of needs, express delivery according to actual needs true
Fixed, in the present embodiment, specifically, speed reducer 300 includes Bevel Gear Transmission pair and Planetary Gear Transmission pair, Bevel Gear Transmission pair
Including first bevel gear 301 and second bevel gear 302, the gear shaft of first bevel gear 301 and the output axis connection of motor 200,
The gear shaft of first bevel gear 301 and the gear shaft of second bevel gear 302 are rotatably arranged on the fixation of speed reducer 300 by bearing
In shell, the fixing shell 303 of speed reducer 300 is fixedly connected on cutting frame body 100；Planetary Gear Transmission pair includes sun gear
304, several planetary gears 305 and ring gear 306, sun gear 304 are connected on the gear shaft of second bevel gear 302, sun gear 304
It is sequentially connected by several planetary gears 305 with ring gear 306, ring gear 306 is fixedly connected with cutterhead 400.In the present embodiment
Using Planetary Gear Transmission pair transmitting power to cutterhead 400, Planetary Gear Transmission pair has compact-sized, small in size, quality
Small, large carrying capacity transmits the advantages that power bracket and transmission range are big, running noises are small, the high-efficient and service life is long.
In the present embodiment, it is preferable that two sets of Planetary Gear Transmission pairs, respectively the first planet tooth are set in speed reducer 300
Transmission and the second Planetary Gear Transmission pair are taken turns, first planetary gear transmission and the second Planetary Gear Transmission pair share in one
The planetary gear number of gear ring 306, first planetary gear transmission is different from the planetary gear number of the second Planetary Gear Transmission pair, the
The planetary gear wheel shaft of one planet gear driving pair and the planetary gear wheel shaft of the second Planetary Gear Transmission pair are arranged in a staggered manner, the first planet
Planetary gear number in gear driving pair and the second Planetary Gear Transmission pair is carried out according to transmitting torque and 300 space of speed reducer
Selection, as Figure 6-Figure 8, in the present embodiment, the number of planetary gear is four in first planetary gear transmission, the second row
The number of planetary gear is three in star gear driving pair, can make the planet wheel spindle and the second row in first planetary gear transmission
Planet wheel spindle is staggered in transversal cross-section direction in star gear driving pair, and planetary gear can be arranged in more compact space, transmitting
Bigger torque, to make the volume of speed reducer 300 be configured more under the premise of the transmitting torque of guarantee speed reducer 300 is biggish
It is small, more compact structure.
In the present embodiment, specifically, one end of ring gear 306 is fixedly connected with end cap 307, the other end of ring gear 306
It connect, can guarantee close in 306 rotary course of cutterhead 400 and ring gear with 303 dynamic sealing of fixing shell of speed reducer 300
The shell of speed reducer 300 is collectively formed in Feng Xing, ring gear 306 and fixing shell 303, is equipped in the middle part of the end face of cutterhead 400
Arbor hole and stepped hole is set at central shaft hole, the periphery of ring gear 306 is equipped with flange, and ring gear is from connection end cap
One end partially protrudes into central shaft hole, and with the end face of flange axial limiting cutterhead 400, the flange and cutterhead of ring gear
400 end face adds pin shaft to connect using bolt.
In the present embodiment, it is preferable that by helix arrangement pick on the periphery of cutterhead 400, cutting efficiency is high, cutting
First 400 disk thickness keeps the overall structural strength of cutterhead 400 bigger from centre to edge tapering transition, can also be to avoid
It collides because shaking with cutting frame body 100 in cutting course.
In the present embodiment, the edge of the symmetrical two sides of cutting frame body 100 passes through one group of two oil cylinder 500 and apparatus body
600 connections, oil cylinder 500 are located at the not ipsilateral of cutting frame body 100 with motor 200, and the oil cylinder 500 of 100 two sides of cutting frame body passes through
It is flexible that the control cutterhead 400 of cutting frame body 100 is driven to swing up and down, realize the cutting to arbitrary cross-section.Oil cylinder 500 and motor
200, which are located at the not ipsilateral of cutting frame body 100, can guarantee that cutterhead 400 is to swing up and down, rather than left and right is put in cutting course
It is dynamic, keep the central axis of cutterhead 400 parallel with cutting face, is convenient for cutting.
Specifically, two edge of two sides of cutting frame body 100 is respectively provided with first engaging lug 101, apparatus body 600
Two sides both sides are also respectively provided with second engaging lug 601, and one end of oil cylinder 500 is connect with first on cutting frame body 100
Ear 101 is articulated and connected, and the other end of oil cylinder 500 is articulated and connected with the second engaging lug 601 being located on apparatus body 600, equipment
The rear end end of the forward end of ontology 600 and the cutting frame body 100 is articulated and connected.
The major function of transmission mechanism in the cutting units of cutting hard rock is to realize the output and conversion of power, and work is former
Reason are as follows: motor 200 output power in two sides respectively drives two cutting speed reducers 300, and cutting speed reducer 300 realizes the change of speed ratio
It changes and the change of outbound course, two cutting speed reducers 300 by reducing the increase of velocity interpolation torque drives cutterhead simultaneously
400, it is arranged pick on cutterhead 400 by helix, the broken of rock is realized in the rotation of cutterhead 400.
The present embodiment also discloses a kind of cutting equipment of packaged type cutting section, before (not shown) includes
The cutting units of the cutting hard rock of face description, can economic quickly cutting solid rock, and there is certain flexibility, be suitable for 6
The excavation of the shape of a hoof, rectangular cross section in rice diameter, is capable of forming a kind of novel device, improves the safety of constructing tunnel, excellent
Selection of land, the cutting equipment of packaged type cutting section are a cantilever excavator.
Unless otherwise defined, the technical term or scientific term used herein should be in fields of the present invention and has
The ordinary meaning that the personage of general technical ability is understood.As used " first ", " the in present specification and claims
Two " and similar word be not offered as any sequence, quantity or importance, and be used only to distinguish different composition portions
Point.Equally, such as "one" or " one " similar word is used also not necessarily to indicate that quantity limits." comprising " or "comprising" etc.
Similar word mean to occur element or object before the word cover the element for appearing in the word presented hereinafter or object and
It is equivalent, and is not excluded for other elements or object.The similar word such as " connection " or " connected " be not limited to physics or
The connection of person's machinery, but may include electrical connection, it is either direct or indirect."upper", "lower", " left side ",
" right side " etc. is only used for indicating relative positional relationship, after the absolute position for being described object changes, then the relative positional relationship
May correspondingly it change.
It is described in detail exemplary embodiment of the invention above in reference to preferred embodiment, however art technology
Personnel it will be appreciated that under the premise of without departing substantially from theory of the present invention, above-mentioned specific embodiment can be made a variety of modifications and
Remodeling, and multiple combinations can be carried out to each technical characteristic proposed by the present invention, structure, and without departing from protection model of the invention
It encloses.
Claims (10)
1. a kind of cutting units of cutting hard rock characterized by comprising
Cutting frame body；
Motor is fixedly connected on the side of the cutting frame body；
Speed reducer is fixedly connected on the same side of the cutting frame body, and its input shaft and the motor with the motor
Output shaft transmission connection, input direction and the outbound course of the speed reducer be vertically arranged；And
Cutterhead, setting are connect in cutting frame body front end, and with the output section of the speed reducer, the cutterhead setting
For Wheel-type cutterhead, the speed reducer drives the cutterhead to rotate around its wheel disc central axis.
2. a kind of cutting units of cutting hard rock according to claim 1, which is characterized in that the motor is set as two,
And it is respectively fixedly connected in the symmetrical two sides of the cutting frame body；The speed reducer is set as two, and is respectively fixedly connected with
The symmetrical two sides of the cutting frame body；The cutterhead is arranged between two speed reducers and consolidates with the output section of two speed reducers
Fixed connection, two speed reducers drive the cutterhead to rotate around its wheel disc central axis jointly.
3. a kind of cutting units of cutting hard rock according to claim 1 or 2, which is characterized in that the speed reducer includes:
Bevel Gear Transmission pair comprising first bevel gear and second bevel gear, the gear shaft of the first bevel gear and the electricity
The gear shaft of the output axis connection of machine, the gear shaft of the first bevel gear and the second bevel gear is rotatably arranged on described subtract
In the fixing shell of fast machine, the fixing shell of the speed reducer is fixedly connected on cutting frame body；And
Planetary Gear Transmission pair comprising sun gear, several planetary gears and ring gear, the sun gear are connected to second cone
On the gear shaft of gear, the sun gear is sequentially connected by several planetary gears and the ring gear, the ring gear with it is described
Cutterhead is fixedly connected.
4. a kind of cutting units of cutting hard rock according to claim 3, which is characterized in that be set side by side in the speed reducer
Two sets of Planetary Gear Transmission pairs, respectively first planetary gear transmission and the second Planetary Gear Transmission pair, described first
Planetary Gear Transmission pair and the second Planetary Gear Transmission pair share a ring gear, the first planetary gear transmission
Planetary gear number is different from the planetary gear number of the second Planetary Gear Transmission pair, the row of the first planetary gear transmission
Star-wheel wheel shaft and the planetary gear wheel shaft of the second Planetary Gear Transmission pair are arranged in a staggered manner.
5. a kind of cutting units of cutting hard rock according to claim 3, which is characterized in that one end of the ring gear is fixed
It is connected with end cap, the other end of the ring gear is connect with the fixing shell dynamic sealing of the speed reducer.
6. a kind of cutting units of cutting hard rock according to claim 3, which is characterized in that in the middle part of the end face of the cutterhead
Equipped with central shaft hole, the periphery of the ring gear is equipped with flange, and the ring gear partially protrudes into the central shaft hole, and
The end face of the cutterhead described in the flange axial limiting.
7. a kind of cutting units of cutting hard rock according to claim 1 or 2, which is characterized in that the outer circle of shown cutterhead
By helix arrangement pick on face.
8. a kind of cutting units of cutting hard rock according to claim 1 or 2, which is characterized in that pair of the cutting frame body
Claim two sides to pass through a group oil cylinder to connect with apparatus body, the oil cylinder is located at the difference of the cutting frame body with the motor
The oil cylinder of side, cutting frame body two sides is swung up and down by cutterhead described in extension and contraction control.
9. a kind of cutting units of cutting hard rock according to claim 8, which is characterized in that one end of the oil cylinder be located at
The first engaging lug articulated connection on cutting frame body, the other end of the oil cylinder are cut with scissors with the second engaging lug being located on apparatus body
It connects in succession, the rear end end of the forward end of the apparatus body and the cutting frame body is articulated and connected.
10. a kind of cutting equipment of packaged type cutting section, which is characterized in that including claim 1-9 any bar institute
The cutting units for the cutting hard rock stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910758571.4A CN110486030A (en) | 2019-08-16 | 2019-08-16 | The cutting units of cutting hard rock and the cutting equipment of packaged type cutting section |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910758571.4A CN110486030A (en) | 2019-08-16 | 2019-08-16 | The cutting units of cutting hard rock and the cutting equipment of packaged type cutting section |
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| CN201910758571.4A Pending CN110486030A (en) | 2019-08-16 | 2019-08-16 | The cutting units of cutting hard rock and the cutting equipment of packaged type cutting section |
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| CN210714708U (en) * | 2019-08-16 | 2020-06-09 | 中铁工程装备集团隧道设备制造有限公司 | Cutting part for cutting hard rock and movable cutting equipment for cutting special-shaped section |
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2019
- 2019-08-16 CN CN201910758571.4A patent/CN110486030A/en active Pending
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| CN2916129Y (en) * | 2006-06-02 | 2007-06-27 | 天地上海采掘装备科技有限公司 | Transmission mechanism for cutting head of bolting machine |
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| CN103939108A (en) * | 2014-05-09 | 2014-07-23 | 中国矿业大学 | Cutting part of hard rock tunnel boring machine |
| CN109763817A (en) * | 2019-02-28 | 2019-05-17 | 辽宁工程技术大学 | A kind of variable transversal away from cutting head of roadheader |
| CN210714708U (en) * | 2019-08-16 | 2020-06-09 | 中铁工程装备集团隧道设备制造有限公司 | Cutting part for cutting hard rock and movable cutting equipment for cutting special-shaped section |
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