CN207598269U - One kind adopts face crossheading circulatory self-moving advance support system and track from shifting system - Google Patents
One kind adopts face crossheading circulatory self-moving advance support system and track from shifting system Download PDFInfo
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- CN207598269U CN207598269U CN201721524463.3U CN201721524463U CN207598269U CN 207598269 U CN207598269 U CN 207598269U CN 201721524463 U CN201721524463 U CN 201721524463U CN 207598269 U CN207598269 U CN 207598269U
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Abstract
The utility model discloses one kind to adopt face crossheading circulatory self-moving advance support system and track from shifting system, it solves the problems, such as that existing hydraulic support roadway support supports repeatedly and easily generates destruction to tunnel, can be always maintained at after being installed with excavation support it is constant to the supporting state of tunnel top side, avoid supporting repeatedly prop up before the destruction to top side, supporting area excavation support after return the effect recycled, technical solution is：Excavation support, track including several foldable telescopics lift migration vehicle and its trailer system from system of moving, auxiliary stand；During the advance of the face, first system is moved from shifting track certainly, it is moved at the excavation support of supporting area rear end after auxiliary stand is lifted migration vehicle by trailer system again, excavation support landing is lifted in auxiliary stand on migration vehicle, supporting area front end is moved to by trailer system traction auxiliary stand lifting migration Chinese herbaceous peony again to treat at supporting, and adit stent rises frame, returns and recycles after being propped up before the excavation support in supporting area.
Description
Technical field
The utility model is related to lame advanced supporting fields more particularly to one kind to adopt face crossheading circulatory self-moving advance support system
System and track move system certainly.
Background technology
Existing face advance support of adopting has steel canopy, individual prop, the hydraulic support etc. for moving towards along tunnel supporting.Using steel canopy,
Individual prop supporting, supporting intensity is low, worker's labor intensity is big, employment is more, efficiency is low；Using the liquid that supporting is moved towards along tunnel
Stent is pressed, although its supporting intensity is high, needs to support repeatedly, unload, especially damage the original anchor shaft anchor cable in tunnel by pressure, easily cause
Top plate loose damage.
In conclusion in the prior art for how to realize crossheading advance support machinery and avoid being supported repeatedly to tunnel
Destruction problem, still lack effective solution.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides one kind and adopts face crossheading circulatory self-moving advance support system
From system of moving, excavation support can be always maintained at pushing up tunnel side supporting state after installing is constant, avoids repeatedly for system and track
The destruction to top side is supported, returns and is recycled, it can be achieved that excavation support circulatory self-moving and tunnel after being propped up before supporting area excavation support
Switch mechanization, the automation of train movement, only one man operation.
The utility model provides one kind and adopts face crossheading circulatory self-moving advance support system, including：It can be along tunnel if quarreling
The excavation support of the foldable telescopic of profile expansion supported laneway top side, track from system of moving, auxiliary stand lifting migration vehicle and
Its trailer system；During the advance of the face, first system is moved certainly, then auxiliary stand is lifted by migration vehicle by trailer system from shifting track
It moves to afterwards at the excavation support of supporting area rear end, excavation support landing is lifted on migration vehicle, then pass through traction in auxiliary stand
System traction auxiliary stand lifting migration Chinese herbaceous peony moves to supporting area front end and treats at supporting, and adit stent rises frame, supporting area
Excavation support before prop up after return recycle.
Further, the excavation support is equipped with socket or plug in hydraulic collection, migrates with being located at auxiliary stand lifting
Che Shang, track are docked from the plug in shifting system or socket, to realize the connection of hydraulic part and hydraulic system on excavation support.
Further, the auxiliary stand lifting migration vehicle includes car body, lifting device/device for opening and rail wheel limiting dress
It puts, the lifting device is set on vehicle body upper portion, including lifting jack and the lifting platform for being fixed on lifting jack top；Institute
The both sides that device for opening is set on gantry type car body are stated, including swing rod and lateral jack, the swing rod is articulated with lifting platform
Side, one end of the lateral jack are hinged with lifting platform, and the other end is hinged with swing rod；The rail wheel limiting device is set on
Vehicle bottom both sides can limit car body and de-orbit and prevent car body from all around skewing.
Further, the excavation support includes top beam, folded beam and lateral wall support, and the both ends of the top beam pass through respectively
Folded beam is connected with lateral wall support；The both ends of the folded beam are hinged with top beam, lateral wall support respectively.
Further, the lateral wall support includes side guard beam, upper side guard board, lower side guard plate, column and pedestal, institute's side guard beam
Upper end be hinged with folded beam, lower end is hinged with column；The hinge joint of the side guard beam and column and side guard beam and folded beam
Hinge joint for same point or the hinge joint interval setpoint distance away from folded beam, make to be formed during upright supports torque allow side guard plate around
The hinge joint of folded beam is close to lane side to lane side rotation, and the upper side guard board, lower side guard plate are hingedly connected to the top of side guard beam
And lower part；
It is hinged with balance jack between the folded beam and side guard beam, balance jack installs state excavation support is non-
Can be flexible with the movement of folded beam and side guard beam, install that state can limit folded beam and side guard beam is mutual in excavation support
Rotation.
Further, the track includes several end to end tracks from the system of shifting, and the track has several rails
It rests the head on, the slideway with parallel track is respectively equipped on the inside of the track between adjacent sleeper, the slideway is equipped with sliding block, each sliding block
It is connected as one with lifting jack；One end of the track is equipped with advancing jack, and one end of the advancing jack connects
Sliding block, the other end of the advancing jack are connect with track, make track and lifting jack by the lifting of lifting jack
It is alternately hanging, it moves and is attached thereto when realizing that orbit suspended time shift rail, lifting jack are hanging by the push-and-pull of advancing jack
The sliding block being integrated.
Further, the track includes the opposite U-shaped steel rail in a pair of openings direction, two single u-shaped rail inside or sleeper
Pipeline door frame is equipped with, for hanging the pipeline towards working face；One end of the track is equipped with for working face power supply, for high pressure
The pump box switch train of emulsion, the pump box switch train are connect with sliding block.
The utility model additionally provides a kind of overhead track from shifting system, including the hinged track of several head and the tail, the rail
Road hinged place is nearby equipped with limit and turns jack, and turning jack by limit changes orbit angle；
The both ends of the overhead track are respectively equipped with end suspension apparatus or support device, are equipped in the middle part of the track multiple
Middle part suspension apparatus, the spacing of adjacent middle part suspension apparatus meet when any middle part suspension apparatus is removed its orbit suspended span still
Meet orbit strength requirement.
Further, the support device includes a pair of portal support (structure and movement) for alternately supporting fulcrum each other,
Overhead track is driven from shifting by jack.
Further, the middle part suspension apparatus includes tensioning jack, angle pulley group and eave tile；The tensioning is very heavy
Top one end is fixed on track, other end connecting rope, and the rope is connected after commutating via angle pulley group with eave tile.
The circulatory self-moving advance support system of the utility model can also be used for temporary support for drivage face.
Compared with prior art, the beneficial effects of the utility model are：
(1) during the advance of the face of the utility model, first from track is moved from moving system, then by trailer system by stent
It is moved at the excavation support of supporting area rear end after lifting migration vehicle, rises lifting platform to excavation support, the landing of adit stent
It is lifted on migration vehicle in stent, moving to supporting area front end by trailer system traction carrier Chinese herbaceous peony treats at supporting, rises lifting again
Platform adit stent rises frame, and excavation support is always maintained at pushing up tunnel side supporting state after installing is constant, avoids repeatedly
Support the destruction to top side；
(2) it returns and recycles after being propped up before the utility model supporting area excavation support, can realize excavation support circulatory self-moving,
And pass through mechanization, automation that track realizes tunnel switch train movement from shifting system, efficient, whole system only people behaviour
Work can substantially reduce the labor intensity of worker.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not form the improper restriction to the application for explaining the application.
Fig. 1 is that the landing track of the utility model moves system and advance support system elevation certainly；
Fig. 2 is the advance support system sectional view of the utility model；
Fig. 3 is that the overhead track of the utility model moves system elevation certainly；
Fig. 4 is the balancing device partial enlarged view of the utility model；
Fig. 5 is the elevation that the utility model is applied to temporary support for drivage face；
Wherein, 1- excavation supports, 2- tracks are slided from system of moving, 3- auxiliary stands lifting migration vehicle, 4- trailer systems, 5-
Block, 6- tracks, 7- sleepers, 8- slideways, 9- lifting jacks, 10- pipeline door frames, 11- pump boxs switch train, 12- passage are very heavy
Top, 13- ends suspension apparatus, 14- balancing devices, 15- are hinged ear mount, and 16- limits turn jack, 17- middle parts suspension apparatus, 18-
Support device, 19- top beams, 20- folded beams, 21- balance jacks, 22- upper side guard boards, the support of 23- lateral walls, 24- sides guard beam,
Side guard plate under 25-, 26- columns, 27- pedestals, 28- rail wheel limiting devices, 29- device for opening, 30- swing rods, 31- are laterally very heavy
Top, 32- lifting jack, 33- lifting platforms, 34- lifting devices, 35- gantry type car bodies, 36- angle pulley groups, 37- ropes,
38- is tensioned jack, 39- short beams, 40- eave tiles, 41- flying truss.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.It is unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
As background technology is introduced, existing alley hydraulic support there are supporting repeatedly during roadway support, easily to tunnel
The deficiency destroyed is generated, the technical issues of in order to solve as above, face crossheading circulatory self-moving is adopted present applicant proposes one kind and props up in advance
Protecting system and track move system certainly.
In a kind of typical embodiment of the application, as Figure 1-Figure 2, provide one kind and adopt face crossheading circulatory self-moving
Advance support system, excavation support 1, track including several foldable telescopics are from shifting system 2, stent lifting migration vehicle 3 and lead
Draw system 4；The stent lifting migration vehicle 3 is connected with trailer system 4, drives it in track from shifting system 2 by trailer system 4
It is mobile.
During the advance of the face, then stent is lifted migration vehicle 3 by track first from system 2 is moved from moving by trailer system 4
It moves to afterwards at the excavation support 1 of supporting area rear end, rises lifting platform to excavation support, adit stent 1 lands in stent liter
On drop migration vehicle 3, then supporting area front end is moved forward to by 4 towing bracket of trailer system lifting migration vehicle 3 and is treated at supporting, risen again
1 liter of frame of lifting platform adit stent, excavation support 1 is always maintained at pushing up tunnel side supporting state after installing is constant, keeps away
Exempt to support the destruction to top side repeatedly.
It returns and recycles after being propped up before the excavation support 1 in supporting area.
The track includes the end to end track 6 of several sections from system 2 is moved, and the track 6 includes two openings backwards
The U-shaped steel rail of setting is connected by several sleepers 7 between two single u-shaped rail, the setting quantity of sleeper 7 according to the length of track 6 and
It is fixed.
Slideway 8 is located at the both ends between adjacent sleeper 7, and slideway 8 is equipped with sliding block, and sliding block can slide on slideway 8.
The top of the sleeper 7 is equipped with several pipeline door frames 10 for being used to hang pipeline, and one end of track 6 is equipped with as work
The pump box of face and system power supply switchs train 11, and the pipeline door frame 10 is uniformly fixed on the top of track 6.
The pump box switch train 11 and the sliding block 5 of whereabouts are connected as one.
Track 6 is equipped with multiple lifting jacks 9, and lifting jack 9 is connected as one with sliding block 5；Lifting jack 9 to
It is lower to stretch out landing, withdraw vacantly；Push unit is a pair of of advancing jack 12, one end and the sliding block 5 being set on slideway 8
Connection, the other end are connected with track 6.
Track 6 and lifting jack 9 is made alternately to land by the contraction and stretching of lifting jack 9, lifting jack 9 is fallen
When ground, track 6 are hanging, the push-and-pull of advancing jack 12 realizes that track 6 from moving, when lifting jack 9 is hanging, track lands, pushes away
The pump box switch train 11 grade movement for moving the push-pull belt movable slider 5 of jack 12 and being attached thereto.
The trailer system 4 is endless rope traction system or gear rack rails trailer system.
As shown in Fig. 2, the stent lifting migration vehicle 3 includes gantry type car body 35, lifting device 34 and device for opening 29,
The two bottom sides of the gantry type car body 35 are equipped with wheel, and the wheel, which is set in the U-type groove of U-shaped steel rail, forms rail wheel limit
Position device 28 plays the work that limit bracket lifting migration vehicle 3 de-orbits and prevents stent lifting migration vehicle 3 from all around skewing
With.
The lifting device 34 is installed on the top of gantry type car body 35, including lifting jack 32 and lifting platform 33,
The lifting jack 32 is two, is symmetrically fixed on 35 top of gantry type car body, the top connection lifting of lifting jack 32
Platform 33 controls the lifting of lifting platform 33 by lifting jack 32；The lifting platform carries excavation support 1 for holding in the palm.
The device for opening 29 is two groups of left and right, is symmetrically set in the both sides of gantry type car body 35；The device for opening 29 wraps
Swing rod 30 and lateral jack 31 are included, one end of the swing rod 30 is articulated with the side of lifting platform 33, the lateral jack
31 one end is hinged with lifting platform 33, and the middle and upper part of the other end and swing rod 30 is hinged.The device for opening 29 is used to laterally beat
The lateral wall support 23 of spending frame 1.
The excavation support 1 is equipped with socket or plug in hydraulic collection, with being arranged on stent lifting migration vehicle 3 or track certainly
Plug or socket docking in shifting system 2, to realize the connection of each hydraulic part and hydraulic system on excavation support 1.
The excavation support 1 includes 19, two folded beams 20 of top beam and two lateral wall supports 23, the both ends of the top beam 19
It is connected respectively by folded beam 20 with lateral wall support 23；It is cut with scissors respectively with top beam 19, lateral wall support 23 at the both ends of the folded beam 20
It connects.
The lateral wall support 23 is made of side guard beam 24, upper side guard board 22, lower side guard plate 25, column 26 and pedestal 27, side
24 top of guard beam and folded beam 20 are hinged, the hinge joint of the side guard beam 24 and column 26 and side guard beam 24 and folded beam 20
Hinge joint is same point or the hinge joint suitable distance away from folded beam 20, and column 26 is made to form torque when supporting and allows side guard plate around folding
The hinge joint of stoplog 20 is close to lane side to lane side rotation.
The upper side guard board 22 and lower side guard plate 25 are hingedly connected to the upper and lower part of side guard beam 24.
According to roadway's sides supporting demand, also there are three types of forms for above-mentioned lateral wall support：
(1) side guard plate is not set, by 24 direct wall supporting of side guard beam；
(2) do not set side guard beam 24 and lower side guard plate 25, upper side guard board 22 and folded beam 20, column 26 be articulated with a bit, by
Single side guard plate wall supporting；
(3) side guard plate and side guard beam 24 are not set, and column 26 is directly hinged with folded beam 20.
The lateral wall support 23, can also include balance jack 21, the both ends of the balance jack 21 are respectively articulated with
In on folded beam 20 and side guard beam 24, balance jack 21 can be with folded beam 20 and side guard beam in the non-state that installs of excavation support 1
24 movement and stretch, folded beam 20 and the mutual rotation of side guard beam 24 can be limited by being in the state that installs in excavation support 1.
The advance support system of the application, as shown in Figure 5, it may also be used for the gib that digging laneway is met head on, with driving
Promote circulatory self-moving supported laneway country rock.
In the another embodiment of the application, as Figure 3-Figure 4, a kind of overhead track is provided from shifting system, is hanged
Unoccupied orbital 41 includes the end to end track of several sections and the flying truss being set to below track, and flying truss is suitable for outstanding
The larger situation of empty span, flying truss play the booster action to track.
In order to meet roadway slope change needs, the end of overhead track 41 is equipped with hinged ear mount 15, adjacent overhead track 41
Turn jack 16 by limit between hinged ear mount 15 to be connected, turn the angle of the flexible change overhead track 41 of jack 16 by limit
Degree, and the overhead track 41 for limiting hinged both sides relatively rotates.
The set-up mode at the both ends of the overhead track includes three kinds：
(1) one end of the overhead track is equipped with end suspension apparatus 13, and the other end is equipped with support device 18, such as Fig. 3 institutes
Show；
The end suspension apparatus 13 is set on the suspention beam lower part between excavation support and top plate, and is hinged with track, holds
Portion's suspension apparatus 13 uses rigid suspension mode；The suspention beam is driven hanging by jack using excavation support as fulcrum movement
Track moves certainly.
The support device 18 includes a pair of of portal support, and two portal supports one in front and one in back set alternately support to prop up each other
Point realizes track from shifting by drawing to retreat before advancing jack.
(2) both ends of the overhead track are equipped with end suspension apparatus 13；
(3) both ends of the overhead track are equipped with support device 18.
When the overhead track length is longer, in the middle equipped with multiple middle part suspension apparatus 17, middle part suspension apparatus 17
Point of suspension spacing when being removed according to adjacent any middle part point of suspension its hanging span still meet the intensity requirement of overhead track 41
Setting when stent, which lifts migration vehicle, is moved to front overhang suspension centre, first hangs rear overhang suspension centre, then remove front overhang suspension centre and lifted by stent
Migration vehicle passes through.
The middle part suspension apparatus 17 includes tensioning jack 38, angle pulley group 36 and eave tile 40；The eave tile 40 with
The connection of one end of chain or rope 37, the eave tile 40 are suspended on the suspension ring on excavation support；The other end of the chain or rope 37
It is connected after commutating via angle pulley group 36 with being tensioned the telescopic end of jack 38；The fixing end of the tensioning jack 38 is fixed
In on flying truss 41.
Balancing device 14 is additionally provided in the suspention beam, plays limitation back sky top-hung hanging beam hind wing；Such as Fig. 4 institutes
Show, the balancing device 14 includes tensioning jack 38, angle pulley group 36 and eave tile 40；One end of the eave tile 40 and chain or
37 connection of rope, the eave tile 40 hook suspention beam, chain or rope 37 commutate via angle pulley group 36 after with tensioning jack 38
Telescopic end is connected.
The tensioning jack 38 is fixed on short beam 39, and the short beam 39 is set under the top beam of two neighboring excavation support
On facial planes.Change the direction of chain or rope 37 by angle pulley group 39, make the pulling force effect of suspention beam in the middle part of short beam 39.
In another embodiment of the application, a kind of overhead track is provided from shifting system, suitable for hanging span not
Big situation, the both ends including track described in several sections of hinged tracks are equipped with hinged ear mount, the hinged ear mount of adjacent orbit it
Between turn jack by limit and be connected, turn the angle of the flexible change track of jack by limit, and limit the track of hinged both sides
It relatively rotates.
The both sides of the track are equipped with multiple middle part suspension apparatus for being hung at excavation support lower part, middle part suspension apparatus
Its span still meets the intensity requirement setting of track when point of suspension spacing is removed according to adjacent any middle part point of suspension, when stent liter
When drop migration vehicle is moved to front overhang suspension centre, rear overhang suspension centre is first hung, then removes front overhang suspension centre and passes through by stent lifting migration vehicle.
Other structures are identical with the above embodiment, and details are not described herein again.
The foregoing is merely the preferred embodiments of the application, are not limited to the application, for the skill of this field
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (7)
1. one kind adopts face crossheading circulatory self-moving advance support system, which is characterized in that including：If quarreling can be unfolded along tunnel profile
Excavation support, the track of the foldable telescopic of supported laneway top side from system of moving, auxiliary stand lifting migration vehicle and its draw system
System；
The auxiliary stand lifting migration vehicle includes car body, lifting device, device for opening and rail wheel limiting device, the lifting dress
Vehicle body upper portion is arranged in, including lifting jack and the lifting platform for being fixed on lifting jack top；The device for opening is set
In the both sides of gantry type car body, including swing rod and lateral jack, the swing rod is articulated with the side of lifting platform, described lateral
One end of jack is hinged with lifting platform, and the other end is hinged with swing rod；The rail wheel limiting device is set on vehicle bottom both sides；
The excavation support includes top beam, folded beam and lateral wall support, and the both ends of the top beam pass through folded beam and lateral wall respectively
Support is connected；The both ends of the folded beam are hinged with top beam, lateral wall support respectively；The lateral wall support includes side guard beam, upside
Backplate, lower side guard plate, column and pedestal, the upper end of institute's side guard beam are hinged with folded beam, and lower end is hinged with column；The side shield
Hinge joint interval setting of the hinge joint of the hinge joint of beam and column and side guard beam and folded beam for same point or away from folded beam away from
From, make to form torque during upright supports side guard plate is allowed to be close to lane side to lane side rotation around the hinge joint of folded beam, the upside shield
Plate, lower side guard plate are hingedly connected to the upper and lower part of side guard beam；
The track moves system certainly from shifting system for landing track, and including several end to end tracks, the track has
Several sleepers are respectively equipped with the slideway with parallel track on the inside of the track between adjacent sleeper, and the slideway is equipped with sliding block, often
A sliding block is connected as one with lifting jack；One end of the track be equipped with advancing jack, the one of the advancing jack
Connection sliding block is held, the other end of the advancing jack is connect with track, makes track and lifting by the lifting of lifting jack
Jack alternating is hanging, when realizing that orbit suspended time shift rail, lifting jack are hanging by the push-and-pull of advancing jack movement with
The sliding block being connected as one；One end of the track is equipped with pump box and switchs train, and the pump box switch train is connect with sliding block.
2. one kind according to claim 1 adopts face crossheading circulatory self-moving advance support system, which is characterized in that the tunnel
Stent is equipped with socket or plug in hydraulic collection, and with being located on auxiliary stand lifting migration vehicle, track is from the plug in shifting system
Or socket docking.
3. one kind according to claim 1 adopts face crossheading circulatory self-moving advance support system, which is characterized in that the folding
Balance jack is hinged between beam and side guard beam, balance jack can be protected in the non-state that installs of excavation support with folded beam and side
The movement of beam and stretch.
4. one kind according to claim 1 adopts face crossheading circulatory self-moving advance support system, which is characterized in that the track
Including the U-shaped steel rail that a pair of openings direction is opposite, on the inside of two single u-shaped rail or sleeper is equipped with pipeline door frame and leads to for hanging
The pipeline of working face；The stent lifting migration vehicle includes gantry type car body, lifting device and device for opening, the gantry type vehicle
The two bottom sides of body are equipped with wheel, and the wheel is set to composition rail wheel limiting device in the U-type groove of U-shaped steel rail.
5. a kind of track moves system certainly, which is characterized in that including the hinged track of several head and the tail, the track hinged place is nearby set
Limited to turn jack, the both ends of the track are respectively equipped with end suspension apparatus or support device, are equipped in the middle part of the track more
A middle part suspension apparatus, the spacing of adjacent middle part suspension apparatus meet its orbit suspended span when any middle part suspension apparatus is removed
Still meet orbit strength requirement.
6. a kind of track according to claim 5 moves system certainly, which is characterized in that the end suspension apparatus is set on tunnel
Suspention beam lower part between stent and top plate is moved as fulcrum using excavation support by jack and drives track from shifting；The branch
Support arrangement includes the portal support that a pair alternately supports fulcrum each other, and track is driven from shifting by jack.
7. a kind of track according to claim 5 moves system certainly, which is characterized in that the middle part suspension apparatus includes tensioning
Jack, angle pulley group and eave tile；Described tensioning jack one end is fixed on track, other end connecting rope, the rope warp
It is connected after being commutated by angle pulley group with eave tile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721524463.3U CN207598269U (en) | 2017-11-15 | 2017-11-15 | One kind adopts face crossheading circulatory self-moving advance support system and track from shifting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721524463.3U CN207598269U (en) | 2017-11-15 | 2017-11-15 | One kind adopts face crossheading circulatory self-moving advance support system and track from shifting system |
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| Publication Number | Publication Date |
|---|---|
| CN207598269U true CN207598269U (en) | 2018-07-10 |
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ID=62757694
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|---|---|---|---|
| CN201721524463.3U Active CN207598269U (en) | 2017-11-15 | 2017-11-15 | One kind adopts face crossheading circulatory self-moving advance support system and track from shifting system |
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| CN (1) | CN207598269U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725078A (en) * | 2017-11-15 | 2018-02-23 | 郑东风 | One kind adopts face crossheading circulatory self-moving advance support system and track from shifting system |
| CN109736810A (en) * | 2018-12-29 | 2019-05-10 | 中国煤炭科工集团太原研究院有限公司 | A kind of open coal mine coal excavation apparatus trolley push unit |
-
2017
- 2017-11-15 CN CN201721524463.3U patent/CN207598269U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725078A (en) * | 2017-11-15 | 2018-02-23 | 郑东风 | One kind adopts face crossheading circulatory self-moving advance support system and track from shifting system |
| CN109736810A (en) * | 2018-12-29 | 2019-05-10 | 中国煤炭科工集团太原研究院有限公司 | A kind of open coal mine coal excavation apparatus trolley push unit |
| CN109736810B (en) * | 2018-12-29 | 2021-08-27 | 中国煤炭科工集团太原研究院有限公司 | Trolley pushing device for open coal mine coal mining equipment |
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