CN110159289A - A kind of coal mine light section shield excavation machine - Google Patents
A kind of coal mine light section shield excavation machine Download PDFInfo
- Publication number
- CN110159289A CN110159289A CN201910575716.7A CN201910575716A CN110159289A CN 110159289 A CN110159289 A CN 110159289A CN 201910575716 A CN201910575716 A CN 201910575716A CN 110159289 A CN110159289 A CN 110159289A
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- Prior art keywords
- belt conveyor
- cylinder
- knife block
- coal mine
- machine
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- 239000003245 coal Substances 0.000 title claims abstract description 34
- 238000009412 basement excavation Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000004576 sand Substances 0.000 claims description 13
- 238000005553 drilling Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 5
- 239000011435 rock Substances 0.000 abstract description 20
- 238000011161 development Methods 0.000 abstract description 4
- 238000005520 cutting process Methods 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000032258 transport Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000010878 waste rock Substances 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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
- E21D9/087—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
-
- 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
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/124—Helical conveying means 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 invention belongs to coal mine tunnelling equipment, provide a kind of coal mine light section shield excavation machine, including cutterhead, preceding shield body, support shoe system, trailer, girder and spoil transportation system, the front end of cutterhead and preceding shield body is rotatablely connected, support the propelling cylinder that shoe system includes saddletree and connect the front end of saddletree with the rear end of preceding shield body, the rear end of saddletree and the front end of trailer connect, trailer is equipped with hydraulic system, electric cabinet, water system and operating room, girder passes through saddletree, the rear and front end of girder is connect with preceding shield body and trailer respectively, spoil transportation system includes the first belt conveyor and the second belt conveyor.The present invention solve the problem of traditional development machine can not cutting hard rock can only big gun pick, realize the comprehensive pick of hard rock, super hard-rock tunnel, avoid the environmental pollution in big gun pick and personnel, equipment injures, improves drivage efficiency, reduce excavation cost.
Description
Technical field
The invention belongs to coal mine tunnelling equipment, and in particular to a kind of coal mine light section shield excavation machine.
Background technique
Coal mine roadway is examined from going into the well for economy, high efficiency, safety and hard rock mole with transition etc. synthesis
Consider, it is desirable that coal mine roadway diameter is small, 3 meters of general diameter or less.For many years, coal mine hard rock driving, pick anchor synchronization job, section one
The key technology difficulties such as secondary molding, working face dedusting have become the common problem urgently to be resolved that coal industry is faced.Mesh
Before, capital equipment of the coal mine for tunnelling has boom-type roadheader or continuous miner, they are in coal road and half-coal rock roadway
Larger effect has been played in road；It is existing both at home and abroad when rock individual event compression strength is greater than 80MPa but in stone drifting
Boom-type roadheader is difficult to be applicable in.Therefore, research and extension is suitable for the coal mine shield of 3 meters of diameter coal mine roadway drivings below
Structure machine is the requirement and inexorable trend of shield machine industry and coal machine industry development, is to solve the current speedy drivage of coal enterprise
It needs.Safe and efficient, reduction labor intensity is tunneled for coal mine to be of great importance.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of coal mine light section shield excavation machine, make
It can apply to 3 meters of diameter hard-rock tunnel drivings below, to solve the needs of the current speedy drivage of coal enterprise.
To achieve the goals above, the present invention provides a kind of coal mine light section shield excavation machine, including cutterhead, anterior shield
The front end of body, support shoe system, trailer, girder and spoil transportation system, the cutterhead and the preceding shield body is rotatablely connected, before described
Shield body is equipped with the driving device for driving cutterhead rotation, and the support shoe system includes saddletree and by the front end of the saddletree
The propelling cylinder connecting with the rear end of the preceding shield body, the rear end of the saddletree are connect with the front end of the trailer, the trailer
It is equipped with hydraulic system, electric cabinet, water system and operating room, the girder passes through the saddletree, the rear and front end of the girder
It is connect respectively with the preceding shield body and the trailer, the rear and front end of the girder is respectively equipped with front support and rear support, described
Spoil transportation system includes the first belt conveyor and the second belt conveyor, and first belt conveyor is mounted on the master
Liang Shang, second belt conveyor are mounted on the trailer, are provided with traveling wheel on second belt conveyor.
Further, the cutterhead includes cutter head, and the first knife block, the second knife are provided on the leading face of the cutter head
Frame, third knife block, the 4th knife block and manhole, first knife block are located at the center of the leading face, first knife block
Inside be equipped with it is more double-edged hobbing cutter, there are two second knife block and the third knife block are respectively set, and all around described first
Knife block is distributed, and is equipped with double-edged hobbing cutter in second knife block, single-blade hob, the 4th knife are equipped in the third knife block
Frame is provided with edges that are multiple, and being all distributed in the leading face, is equipped with single-blade hob, the knife in the 4th knife block
The side of disk body is provided with the 5th knife block, and scraper, first knife block, the second knife block, third knife are equipped in the 5th knife block
The side of frame, the 4th knife block and the 5th knife block is designed with slag-drip opening.
Further, the cutter head is spliced by the first cutter head and the second cutter head, on first cutter head
It is provided with first knife block.
Further, the preceding shield body includes sequentially connected leading portion cylinder, middle section cylinder and back segment cylinder, the leading portion
Tie-plate is equipped in cylinder, the two sides of the leading portion cylinder are respectively arranged with a steering cylinder, the free end of the steering cylinder
It is connected with steering top plate, circumferentially is used to install the mounting rack of advanced drilling machine, institute in the middle section cylinder at least provided with two
The bottom inside for stating middle section cylinder is equipped with Pulp pump for draining, in the back segment cylinder it is circumferentially arranged have it is multiple for pacifying
The bottom inside of the support frame of dress dust excluding hood, the middle section cylinder and back segment cylinder is equipped with the foot pedal current for worker.
Further, the preceding shield body further includes flapper of the one end in the top slide of the back segment cylinder, described
Flapper is slided along the extending direction of the back segment cylinder, and the other end of the flapper is arranged symmetrically, and there are two connections
Part, the upper end of the connector and the other end of the flapper are hinged.
Further, the inside top of the back segment cylinder is oppositely arranged there are two guide part, the guide part with it is described
The sliding slot for flapper sliding is formed between the inner wall of back segment cylinder.
Further, the flapper include the first plate body that one end is slided in the sliding slot and with first plate
Second plate body of the other end connection of body, second plate body are located at the outside of first plate body, and second plate body
Outer peripheral surface is coplanar with the outer peripheral surface of the back segment cylinder.
Further, the spoil transportation system further includes that third belt conveyor, screw feeding machine and the 4th belt are defeated
Machine is sent, the feed end of the third belt conveyor is located at the lower section of the discharge end of second belt conveyor, the third
Belt conveyor is Telescopic Belt Conveyor, the discharge end of the third belt conveyor be located at the screw feeding machine into
Expect end, the discharge end of the screw feeding machine is located at the top of the feed end of the 4th belt conveyor, the 4th belt
The discharge end of conveyer is equipped with spoil transport carriage.
Further, sand removing machine, the sand removing machine are equipped between the screw feeding machine and the 4th belt conveyor
Feed end and the discharge end for being located at the screw feeding machine lower section, the discharge end of the sand removing machine is located at the 4th belt
The top of the feed end of conveyer.
Further, second belt conveyor includes inclination conveyance part point and horizontal feed part, and the inclination is defeated
The lower section for sending the feed end of part to be located at the discharge end of first belt conveyor.
Beneficial effects of the present invention:
1, solve the problem of traditional development machine can not cutting hard rock can only big gun pick, realize hard rock, super hard-rock tunnel it is comprehensive
Pick avoids the environmental pollution in big gun pick and personnel, equipment injury.
2, improve drivage efficiency: by taking the driving in a certain gas lane as an example: 1. former gun diging face monthly tunnels 120 meters,
Shield machine is monthly normally tunneled up to 420 meters, and efficiency is increased to 350%；2. drilling depth is 5 meters/month per capita for former big gun pick, shield machine is 7
420 meters are tunneled month, drilling depth is 10 meters/month per capita, and efficiency improves 100%；3. progress 420 is tunneled in total rock tunnel on an equal basis
Rice, common big gun pick need 84 people；Shield machine driving needs 42 people, reduces 42 people of employment, subtracts people's efficiency up to 50%.
3, solve the problems, such as traditional total rock tunnel can only big gun pick, improve the drivage efficiency in total rock tunnel, it is effective to alleviate
Mine disposes pressure.
4, it is tunneled using shield machine, improves the Mechanization Level in total rock tunnel up to 100%.
5, safety guarantee is improved.First is that reducing top plate impact, top plate integrality is effectively protected；Second is that having prevented to put
Gas accident caused by big gun；Third is that having prevented rock rake casualty accident；The security risks such as hilllock are leaked fourth is that having prevented to stand guard.
6, shield machine excavation cost (not considering that geological structural belt influenced) digs 300 yuan/meter at low cost than big gun, substantially reduces
Production cost, the advantage using shield construction total rock tunnel is more obvious, mainly in total rock tunneling development degree, tradition
Drilling and blasting method technique, safely cleaning operating environment on show.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is front view of the invention；
Fig. 2 is top view of the invention；
Fig. 3 is the front view of cutterhead of the invention；
Fig. 4 is the bottom view of cutterhead of the invention；
Fig. 5 is the structural schematic diagram of the cutter head of cutterhead of the invention；
Fig. 6 is the front view of preceding shield body of the invention；
Fig. 7 is the face the A-A cross-sectional view in Fig. 6；
Fig. 8 is the right view of preceding shield body of the invention；
Fig. 9 is the left view of preceding shield body of the invention；
Figure 10 is the top view of the preceding support boots component of support shoe system of the invention；
Figure 11 is the left view of the preceding support boots component of support shoe system of the invention；
Figure 12 is the top view of the back brace boots component of support shoe system of the invention；
Figure 13 is the right view of the back brace boots component of support shoe system of the invention；
Figure 14 is the structural schematic diagram of the sensor module of support shoe system of the invention；
Figure 15 is the structural schematic diagram of girder of the invention；
Figure 16 is the structural schematic diagram of the front support of girder of the invention；
Figure 17 is the structural schematic diagram of trailer of the invention；
Figure 18 is the partial structure diagram of spoil transportation system of the invention.
Appended drawing reference:
10- cutter head, the first cutter head of 11-, the second cutter head of 12-, the first knife block of 13-, 14- double-edged hobbing cutter, 15- second
Knife block, 16- third knife block, 17- single-blade hob, 18- manhole, the 4th knife block of 101-, the 5th knife block of 102-, 103- scraper, 104-
Slag-drip opening, 105- mist nozzle；
Shield body, 21- leading portion cylinder, 211- gear-box tie-plate, 212- first through hole, the second through-hole of 213-, 214- before 20-
Steering cylinder, 215- turn to top plate, the middle section 22- cylinder, 221- mounting rack, 222- Pulp pump, 23- back segment cylinder, 231- support
Frame, 232- foot pedal, 233- guide part, 234- sliding slot, 24- flapper, the first plate body of 241-, the second plate body of 242-, 25- connect
Fitting；
It is supportted before supportting boots, 314- before saddletree, 312- propelling cylinder, 313- before support boots component, 311- before 30- support shoe system, 31-
Saddletree, 322- back brace boots, 323- back brace boots oil cylinder, 33- are passed after boots oil cylinder, 315- front stretching beam, 32- back brace boots component, 321-
Sensor component, 331- displacement sensor, 332- sensor base, 333- sliding rail, 334- sensor stand, 335- connecting rod, 336-
Curved bar bulb joint bearing, 337- guide rod；
Support leg under 40- girder, 41- main frame, 42- front support, the upper support leg of 421-, 422-, 423- front support oil cylinder,
43- rear support, 431- rear support foot, 432- rear support oil cylinder；
50- trailer, 51- car body, 52- attachment beam, 53- thrust wheel；
60- spoil transportation system, the first belt conveyor of 61-, the second belt conveyor of 62-, 621- inclination conveyance part point,
622- horizontal feed part, 623- traveling wheel, 63- third belt conveyor, 64- screw feeding machine, 65- sand removing machine, 66- the 4th
Belt conveyor.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this hair
The ordinary meaning that bright one of ordinary skill in the art are understood.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second ", " third ", " the 4th ", " the 5th " etc. are used for description purposes only, and cannot manage
Solution is indication or suggestion relative importance or the quantity for implicitly indicating indicated technical characteristic.In the description of the present invention,
The meaning of " plurality " is two or more, unless otherwise specifically defined.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In this application unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
As shown in Fig. 1-18, the present embodiment provides a kind of coal mine light section shield excavation machines, including cutterhead, preceding shield body
20, shoe system 30, trailer 50, girder 40 and spoil transportation system 60 are supportted.The front end of cutterhead and preceding shield body 20 is rotatablely connected, anterior shield
Body 20 is equipped with the driving device for driving cutterhead to rotate, and driving method can be motor driven, can also be driven with hydraulic motor.
Cutterhead includes cutter head 10, and the first knife block 13, the second knife block 15, are provided on the leading face of the cutter head 10
Three knife blocks 16, the 4th knife block 101 and manhole 18, first knife block 13 are located at the center of the leading face.Described first
It is equipped with more double-edged hobbing cutter 14 in knife block 13, since the diameter of cutter head 10 is smaller, should not be installed in the first knife block 13
More double-edged hobbing cutters 14, be equipped in preferably described first knife block 13~double-edged hobbing cutter 14.Around first knife block 13
It is arranged at intervals with multiple misty nozzles 15, in the present embodiment, misty nozzle 15 is around the first knife block being located at 10 center of cutter head
13 distributions, can efficiently remove the mud cake in cutter head center region in this way.Second knife block 15 and the third knife block 16 divide
Not She Zhi there are two, and be all distributed around first knife block 13, double-edged hobbing cutter 14 be installed in second knife block 15, described the
Single-blade hob 17 is installed, the 4th knife block 101 is provided with multiple, and is all distributed in the leading face in three knife blocks 16
Edge is equipped with single-blade hob 17 in the 4th knife block 101, and the side of the cutter head 10 is provided with the 5th knife block 102, described
Scraper 103, first knife block 13, the second knife block 15, third knife block 16,101 and of the 4th knife block are installed in the 5th knife block 102
The side of 5th knife block 102 is designed with slag-drip opening 104.
Preferably, cutter head 10 is spliced by the first cutter head 11 and the second cutter head 12, first cutter head 11
On be provided with first knife block 13.By the way that cutter head 10 is arranged to small one and large one two parts, the first cutter head 11 and
Two cutter heads 12 are connected by high-strength bolts together, transport easy to disassemble in this way.
Preceding shield body 20 includes sequentially connected leading portion cylinder 21, middle section cylinder 22 and back segment cylinder 23.Leading portion cylinder 21, in
Section cylinder 22 and back segment cylinder 23 are all connected by high-strength bolts by the plate shell of two pieces of semi-barrel shapes respectively, front end cylinder
Also by high strength exploitation between body and middle section cylinder 22, middle section cylinder 22 and back segment cylinder 23, it is convenient in this way from ground
It is sent in tunnel and is assembled.
The first through hole 212 passed through for the upper support leg 421 of front support 42 is provided on leading portion cylinder 21 and for front support 42
The second through-hole 213 that passes through of lower support leg 422, the quantity of first through hole 212 one, the quantity of the second through-hole 213 is two,
To guarantee that front support 42 plays a role.The gear-box tie-plate 211 for installing gear-box is equipped in the leading portion cylinder 21,
The rear end thereof of cutterhead is arranged in gear-box tie-plate 211, and multiple gears are circumferentially equipped on gear-box tie-plate 211
Case, gear-box can be driven by motor, and can also be driven by hydraulic motor.The two sides of leading portion cylinder 21 are respectively arranged with a steering
Oil cylinder 214, the free end of steering cylinder 214, which is connected with, turns to top plate 215, when current shield body 20 needs adjustment direction, steering oil
The free end of cylinder 214 is stretched out, and is turned to top plate 215 and is withstood on the tunnel inner wall for excavating and, to control the tunneling direction of cutterhead.
Circumferentially at least provided with two for installing the mounting rack 221 of advanced drilling machine in middle section cylinder 22.Middle section cylinder
22 bottom inside is equipped with the Pulp pump 222 for draining, and Pulp pump 222 connect with slurry pipeline, will be cut by Pulp pump 222
It cuts the slurry generated during rock to drain, the spoil being cut into is drained by belt conveyor systems.
It is circumferentially arranged in back segment cylinder 23 to have multiple support frames 231 for being used to install dust excluding hood, preferably 231 edge of support frame
There are three being circumferentially uniformly arranged, the girder 40 of shield excavation machine is passed through from dust excluding hood, for transporting the belt conveyor of spoil
It is mounted on girder 40.The bottom inside of middle section cylinder 22 and back segment cylinder 23 is equipped with the foot pedal 232 current for worker.This reality
The preceding shield body 20 in example is applied, structure is simple, compact, is highly suitable for 3 meters of tunnellings below of diameter.
Preceding shield body 20 further includes the flapper 24 of top slide of the one end in back segment cylinder 23, and flapper 24 is along back segment
The extending direction of cylinder 23 slides, and the other end of flapper 24 is arranged symmetrically, and there are two connector 25, the upper ends of connector 25
It is hinged with the other end of flapper 24.Flapper 24 is set, is used to adjust unsupported back span according to underground top plate situation.
The inside top of back segment cylinder 23 is oppositely arranged there are two guide part 233, and guide part 233 is interior with back segment cylinder 23
The sliding slot 234 slided for flapper 24 is formed between wall.By the way that guide part 233 is arranged, can simply and easily be formed for work
The sliding slot 234 that dynamic baffle 24 slides, dismounting are very convenient.
Flapper 24 includes the first plate body 241 that one end is slided in sliding slot 234 and the other end with the first plate body 241
Second plate body 242 of connection, the second plate body 242 is located at the outside of the first plate body 241, and the outer peripheral surface of the second plate body 242 is with after
The outer peripheral surface of section cylinder 23 is coplanar.The outer diameter of flapper 24 with leading portion cylinder 21, middle section cylinder 22 as back segment cylinder 23,
It is all adapted with the tunnel diameter of driving, this ensure that the movement of preceding shield body 20 is smooth.
Support shoe system 30 includes saddletree and the propelling cylinder 312 for connecting the front end of saddletree with the rear end of preceding shield body 20, saddle
The rear end of frame is connect with the front end of trailer 50.Specifically, including preceding support boots component 31 and back brace boots component 32.
Preceding support boots component 31 includes preceding saddletree 311, propelling cylinder 312, preceding support boots 313, preceding support boots oil cylinder 314 and front stretching
Beam 315, the front end of the preceding saddletree 311 and multiple propelling cylinders 312 are hinged, and the quantity of preferably recommendation oil cylinder is four.
The two sides of the preceding saddletree 311 be respectively arranged with one it is described before support boots 313, it is described before support boots 313 pass through support boots oil before described
Cylinder 314 is connect with the preceding saddletree 311, and the preferably described preceding support boots 313 are circumferentially distributed around the front stretching beam 315 by four
Preceding support boots oil cylinder 314 is connect with the preceding saddletree 311, such stable structure.The length of the front stretching beam 315 is adjustable, and its
Both ends are connect with the preceding support boots 313 and the preceding saddletree 311 respectively, and the front stretching beam 315 is used for the preceding support boots 313
Movement be oriented to.
Back brace boots component 32 includes rear saddletree 321, back brace boots 322, back brace boots oil cylinder 323 and rear extensible canopy, the rear saddle
The front end of frame 321 and the rear end of the preceding saddletree 311 are hinged, it is described after saddletree 321 two sides be respectively arranged with one it is described after
Boots 322 are supportted, the back brace boots 322 are connect by the back brace boots oil cylinder 323 with the rear saddletree 321, the preferably described back brace boots
322 are connect around the circumferentially distributed back brace boots oil cylinder 323 of the rear extensible canopy with the rear saddletree 321 by four, this spline structure
Stablize.The length of extensible canopy is adjustable after described, and its both ends is connect respectively with the back brace boots 322 and the rear saddletree 321 connects
It connects, the rear extensible canopy is for being oriented to the movement of the back brace boots 322.Preceding saddletree 311 and rear saddletree 321 are both provided with
The channel passed through for belt conveyor.
It is all set between preceding support boots 313 and the preceding saddletree 311 and between the back brace boots 322 and the rear saddletree 321
It is equipped with 331 component 33 of displacement sensor, 331 component 33 of institute's displacement sensors includes displacement sensor 331, sensor base
332, the sensor base 332 is arranged in sliding rail 333, sensor stand 334 and connecting rod 335, institute's displacement sensors 331
One end, the sensor base 332 are equipped with the sliding rail 333, and the sensor stand 334 is slidably arranged in the sliding rail
On 333, one end of the connecting rod 335 connect with the sensor stand 334, the other end and the preceding support boots 313 or back brace boots
322 connections.With the expansion or withdrawal of preceding support boots 313 or back brace boots 322, connecting rod 335 drives sensor stand 334 separate or leans on
Peri position displacement sensor 331, so that displacement sensor 331 supports the moving distance of boots 313 or back brace boots 322 before measuring, convenient for standard
The expansion of boots 313 or back brace boots 322 is really supportted before control or withdraws distance.
331 component 33 of displacement sensor further includes the guide rod 337 for being parallel to the sliding rail 333 and being arranged, and the guide rod 337 is set
It sets on the base, the guide rod 337 passes through the sensor stand 334 and keeps sliding with the sensor stand 334
Cooperation, such sensor stand 334 difficultly slip off on sliding rail 333.
One end of connecting rod 335 connect with the sensor stand 334 by a curved bar bulb joint bearing 336, is another
End is connect by another curved bar bulb joint bearing 336 with the preceding support boots 313 or back brace boots 322.In this way, can be very well
Adaptation before support the expansion or withdrawal of boots 313 or back brace boots 322 during the phenomenon that deflecting, avoid connecting rod 335
Damage.
Girder 40 includes main frame 41, the front support 42 and rear support 43 for being separately positioned on 41 rear and front end of main frame, master
Body frame 41 passes through saddletree, and is slidably connected with saddletree.Front support 42 includes a upper support leg 421 and two lower support legs 422,
Upper support leg 421 and lower support leg 422 are all connect by front support oil cylinder 423 with the leading portion of girder 40 respectively.Rear support 43 is wrapped
Rear support foot 431 and rear support oil cylinder 432 are included, the upper end of rear support foot 431 and the rear end of girder 40 are hinged, rear support oil cylinder
432 both ends are hinged with the lower end of the rear end of girder 40 and rear support foot 431 respectively, and the piston rod of rear support oil cylinder 432 is stretched
The stretching or withdrawal of rear support foot 431 can be realized in contracting.
Trailer 50 is equipped with hydraulic system, electric cabinet, water system, operating room and hydraulic wireline winch etc..It includes car body 51, connects
Beam 52 and thrust wheel 53 are connect, the front end of car body 51 is hinged by attachment beam 52 and the rear end of main frame 41, and the bottom of car body 51 is set
There is the thrust wheel of above-mentioned hydraulic system, electric cabinet, water system, operating room and hydraulic wireline winch for supporting body 51 and thereon etc.
53。
Spoil transportation system 60 includes the first belt conveyor 61 set gradually along spoil conveying direction and the second belt
Conveyer 62, the first belt conveyor 61 are mounted on girder 40, and the second belt conveyor 62 is mounted on trailer 50, the second band
Traveling wheel 623 is provided on formula conveyer 62.
Spoil transportation system 60 further includes third belt conveyor 63, screw feeding machine 64 and the 4th belt conveyor 66,
The feed end of third belt conveyor 63 is located at the lower section of the discharge end of the second belt conveyor 62, and third belt conveyor 63 is
Telescopic Belt Conveyor, the discharge end of third belt conveyor 63 are located at the feed end of screw feeding machine 64, screw feeding machine
64 discharge end is located at the top of the feed end of the 4th belt conveyor 66, and the discharge end of the 4th belt conveyor 66 is equipped with spoil
Transport carriage.Since the second belt conveyor 62 advances with shield excavation machine, and screw feeding machine 64 is then fixed on digging laneway
It is interior, therefore the length of third belt conveyor 63 changes automatically, to guarantee spoil from 62 smooth delivery of power of the second belt conveyor
Onto screw feeding machine 64.Spoil is conveyed using the spoil transportation system 60 of the present embodiment, avoids traditional " Pulp pump
The shortcomings that 222+ pipe waste rock discharge " discharge refuse mode, solve Pulp pump 222 be easy to appear packing leakage, discharge port be less than feeding inlet,
Damage in impeller etc. causes pump or line clogging, and block cash is more when meeting variation of lithological, and subsequent processing amount is big and limited space is asked
Topic.
Between screw feeding machine 64 and the 4th belt conveyor 66 be equipped with sand removing machine 65, the feed end of sand removing machine 65 be located at
The lower section of the discharge end of screw feeding machine 64, the discharge end of sand removing machine 65 are located at the upper of the feed end of the 4th belt conveyor 66
Side.Sand removing machine 65 is used to remove and collect the sand grains in spoil, and sand grains can be used for architectural engineering, so as to suitably increase receipts
Benefit.
Second belt conveyor 62 includes inclination conveyance part point 621 and horizontal feed part 622, inclination conveyance part point 621
Feed end be located at the first belt conveyor 61 discharge end lower section.The low side of inclination conveyance part point 621 is for receiving first
Spoil on belt conveyor 61 is simultaneously delivered up to horizontal feed part 622, is arranged, can be dropped compared to integral level in this way
The low occupied space of entire transportation system.
One of the present embodiment coal mine light section shield excavation machine, complete machine outer diameter such as 2.8 meters, are applicable within 3M
In 3 meters of diameter hard-rock tunnel drivings below.Specifically, cutterhead rotates, and the bastard (i.e. spoil) cut down passes through first
The spoil transportation system 60 of belt conveyor 61, the second belt conveyor 62 and other conveying devices composition transports spoil.
Cutterhead tunnels forward under the action of propelling cylinder 312, each feeding circulation of cutterhead is 1 meter, after the completion of feeding, in operating room
Display screen on propulsion show that the feeding that reddens stops, cutter fed rat is retreated into switch spanner to going-back position, cutterhead does not stop to retreat
Stop promoting after 20mm, cutterhead remains in operation shipment, after the first belt conveyor 61 of observation goes out clean cargo, by cutterhead direct-reverse switch
Pull the position that shuts down.For different formation hardness, the different working face gradients and situation of slagging tap can be to driving speed
Degree, propelling pressure, cutterhead revolution are set, to reach best effort effect.The setting of above-mentioned parameter is in long-range control system
It is completed in system.During feeding, support shoe system 30 works, and the front support 42 and rear support 43 on girder 40 are withdrawn, and promotes oil
Cylinder 312 pushes ahead cutterhead, preceding shield body 20, girder 40 and trailer 50 etc. together.After feed-disabling, front support 42 and rear support
43 stretch out, withstand on the inner wall of tunnel, support shoe system 30 in support boots withdraw, propelling cylinder 312 shrink, drive support shoe system 30 to
A feeding period is thus completed in preceding movement.
A kind of coal mine light section shield excavation machine of the invention, is additionally provided with dust pelletizing system and laser-guided systems etc..
In specification of the invention, numerous specific details are set forth.It is to be appreciated, however, that the embodiment of the present invention can be with
It practices without these specific details.In some instances, well known method, structure and skill is not been shown in detail
Art, so as not to obscure the understanding of this specification.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.
Claims (10)
1. a kind of coal mine light section shield excavation machine, it is characterised in that: including cutterhead, preceding shield body (20), support shoe system (30),
The front end of trailer (50), girder (40) and spoil transportation system (60), the cutterhead and the preceding shield body (20) is rotatablely connected, institute
It states preceding shield body (20) and is equipped with driving device for driving cutterhead rotation, the support shoe system (30) includes saddletree and by institute
The propelling cylinder (312) that the front end of saddletree is connect with the rear end of the preceding shield body (20) is stated, the rear end of the saddletree is dragged with described
The front end of vehicle (50) connects, and the trailer (50) is equipped with hydraulic system, electric cabinet, water system and operating room, the girder
(40) saddletree is passed through, the rear and front end of the girder (40) connects with the preceding shield body (20) and the trailer (50) respectively
It connects, the rear and front end of the girder (40) is respectively equipped with front support (42) and rear support (43), the spoil transportation system (60)
Including the first belt conveyor (61) and the second belt conveyor (62), first belt conveyor (61) is mounted on the master
On beam (40), second belt conveyor (62) is mounted on the trailer (50), on second belt conveyor (62)
It is provided with traveling wheel (623).
2. coal mine according to claim 1 light section shield excavation machine, it is characterised in that: the cutterhead includes cutter head
(10), the first knife block (13), the second knife block (15), third knife block (16), are provided on the leading face of the cutter head (10)
Four knife blocks (101) and manhole (18), first knife block (13) are located at the center of the leading face, first knife block
(13) it is equipped with more double-edged hobbing cutter (14) in, second knife block (15) and the third knife block (16) are respectively arranged with two
It is a, and be all distributed around first knife block (13), it is equipped with double-edged hobbing cutter (14) in second knife block (15), the third knife
It is equipped with single-blade hob (17) in frame (16), the 4th knife block (101) is provided with multiple, and is all distributed in the leading face
Edge, is equipped with single-blade hob (17) in the 4th knife block (101), the side of the cutter head (10) is provided with the 5th knife block
(102), it is equipped with scraper (103) in the 5th knife block (102), first knife block (13), the second knife block (15), third knife
The side of frame (16), the 4th knife block (101) and the 5th knife block (102) is designed with slag-drip opening (104).
3. coal mine according to claim 2 light section shield excavation machine, it is characterised in that: the cutter head (10) is by
One cutter head (11) and the second cutter head (12) are spliced, and are provided with first knife block on first cutter head (11)
(13)。
4. coal mine according to claim 1 light section shield excavation machine, it is characterised in that: the preceding shield body (20) includes
Sequentially connected leading portion cylinder (21), middle section cylinder (22) and back segment cylinder (23), the leading portion cylinder (21) is interior to be equipped with connection
The two sides of disk (211), the leading portion cylinder (21) are respectively arranged with a steering cylinder (214), the steering cylinder (214) from
It is connected with by end and turns to top plate (215), circumferentially at least provided with two for installing advance drilling in the middle section cylinder (22)
The mounting rack (221) of machine, the bottom inside of the middle section cylinder (22) are equipped with the Pulp pump (222) for draining, the back segment
It is circumferentially arranged in cylinder (23) to have multiple support frames (231) for being used to install dust excluding hood, the middle section cylinder (22) and back segment
The bottom inside of cylinder (23) is equipped with the foot pedal (232) current for worker.
5. coal mine according to claim 4 light section shield excavation machine, it is characterised in that: the preceding shield body (20) is also wrapped
One end is included in the flapper (24) of the top slide of the back segment cylinder (23), the flapper (24) is along the back segment cylinder
The extending direction of body (23) slides, and the other end of the flapper (24) is arranged symmetrically, and there are two connector (25), the companies
The upper end of fitting (25) and the other end of the flapper (24) are hinged.
6. coal mine according to claim 5 light section shield excavation machine, it is characterised in that: the back segment cylinder (23)
Inside top is oppositely arranged there are two guide part (233), between the guide part (233) and the inner wall of the back segment cylinder (23)
Form the sliding slot (234) for the flapper (24) sliding.
7. coal mine according to claim 4 light section shield excavation machine, it is characterised in that: flapper (24) packet
It includes the first plate body (241) that one end is slided in the sliding slot (234) and is connect with the other end of first plate body (241)
Second plate body (242), second plate body (242) are located at the outside of first plate body (241), and second plate body
(242) outer peripheral surface is coplanar with the outer peripheral surface of the back segment cylinder (23).
8. coal mine according to claim 1 light section shield excavation machine, it is characterised in that: the spoil transportation system
It (60) further include third belt conveyor (63), screw feeding machine (64) and the 4th belt conveyor (66), the third belt
The feed end of conveyer (63) is located at the lower section of the discharge end of second belt conveyor (62), the third belt conveyor
It (63) is Telescopic Belt Conveyor, the discharge end of the third belt conveyor (63) is located at the screw feeding machine (64)
Feed end, the discharge end of the screw feeding machine (64) are located at the top of the feed end of the 4th belt conveyor (66), institute
The discharge end for stating the 4th belt conveyor (66) is equipped with spoil transport carriage.
9. coal mine according to claim 8 light section shield excavation machine, it is characterised in that: the screw feeding machine (64)
Equipped with sand removing machine (65), the feed end of the sand removing machine (65) and positioned at the spiral shell between the 4th belt conveyor (66)
The lower section of the discharge end of feeder (64) is revolved, the discharge end of the sand removing machine (65) is located at the 4th belt conveyor (66)
The top of feed end.
10. coal mine according to claim 9 light section shield excavation machine, it is characterised in that: second belt conveying
Machine (62) includes inclination conveyance part point (621) and horizontal feed part (622), the feed end of the inclination conveyance part point (621)
Positioned at the lower section of the discharge end of first belt conveyor (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910575716.7A CN110159289A (en) | 2019-06-28 | 2019-06-28 | A kind of coal mine light section shield excavation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910575716.7A CN110159289A (en) | 2019-06-28 | 2019-06-28 | A kind of coal mine light section shield excavation machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110159289A true CN110159289A (en) | 2019-08-23 |
Family
ID=67637006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910575716.7A Pending CN110159289A (en) | 2019-06-28 | 2019-06-28 | A kind of coal mine light section shield excavation machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110159289A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338975A (en) * | 2021-06-07 | 2021-09-03 | 燕山大学 | Impact type tunneling machine capable of turning |
| CN113622934A (en) * | 2021-08-04 | 2021-11-09 | 中煤第三建设（集团）有限责任公司 | Advanced support system and method for open type TBM (tunnel boring machine) heading machine in unfavorable geological zone of coal mine roadway |
| CN114382496A (en) * | 2022-02-22 | 2022-04-22 | 山西开源益通矿业设备制造有限公司 | Mining tunnel deep hole micro shield equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113622934B (en) * | 2021-08-04 | 2023-12-22 | 中煤第三建设（集团）有限责任公司 | Advanced support system and method for open TBM heading machine for poor geology of coal mine roadway |
| CN114382496A (en) * | 2022-02-22 | 2022-04-22 | 山西开源益通矿业设备制造有限公司 | Mining tunnel deep hole micro shield equipment |
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