CN104863621B - Integrated device is transported in roadway support - Google Patents
Integrated device is transported in roadway support Download PDFInfo
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- CN104863621B CN104863621B CN201510161317.8A CN201510161317A CN104863621B CN 104863621 B CN104863621 B CN 104863621B CN 201510161317 A CN201510161317 A CN 201510161317A CN 104863621 B CN104863621 B CN 104863621B
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Abstract
The invention discloses the roadway support transport integrated device that a kind of present invention is provided, for tunnelling material transportation and work surface meet head on before visit gib, including with tunnel at the top of hard-wired track, also include the pneumatic traction devices being installed on track, also include promoting suspension device along slide by pneumatic traction devices, suspension device is slidably mounted on track by its bogey；Roadway support transport integrated device is also included by the assistant conveyance device of pneumatic traction devices drives edge slide.Using setting track in the tunnel for completing supporting, pneumatic traction devices are installed on track, the gib that spy before new pick section is carried out is reached using pneumatic promotion suspension device, the minority Manpower operating device is needed only by complete support work, entrance is withdrawn from conveniently, work efficiency is higher, it also avoid the danger that manpower is directly operated；Assistant conveyance device is installed also, weight handling is carried out along track, it is to avoid manpower lift to move improves work efficiency.
Description
Technical field
A kind of the present invention relates to Work machine technical field under mine, more particularly, it relates to thing for tunnelling
Material transport and work surface visit the roadway support transport integrated device of gib before meeting head on.
Background technology
At present, with modernization development, energy demand is growing, and the big country as coal production, the annual coal of China
The yield of charcoal is constantly being lifted, and the coal production for ending the end of the year 2008 whole nation breaches 2,400,000,000 tons, and coal production has in China
Very important effect.
In existing mine operation, it is pure artificial operation in most cases that work surface visits gib operation before meeting head on,
In not fully safe new pick tunnel, workman is needed to be climbed and assembled protecting wire net ladder beam.And manually installed suspension device
Not only activity duration length, supporting intensity are low, seriously lack setting load, and after brill installs anchor pole, also want artificial unloading whole
Supporting.There is of short duration operating risk in the operation for manually carrying out upper protecting network and terraced beam in the process, and work efficiency is relatively low.
In addition, meet head on manpower transport and very universal along the situation of ground dragging heavy in conventional tunnel, using manpower
Not only personnel's occupancy is more for lift fortune weight, and physical demandss are big, and long-term operation will result in damage to staff's body.
In sum, how to efficiently solve pure artificial operation carries out the work efficiency of gib and its related work
Low, labor strength is excessive and the problems such as relatively low safety, be current those skilled in the art's urgent problem.
Content of the invention
In view of this, it is an object of the invention to provide a kind of roadway support transport integrated device, the roadway support transport
The structure design of integrated device can efficiently solve pure artificial operation and carry out the work efficiency of gib and its related work
Low, labor strength is excessive and the problems such as relatively low safety.
In order to achieve the above object, the present invention provides following technical scheme：
Integrated device is transported in a kind of roadway support, for tunnelling material transportation and work surface meet head on before visit interim
Shield, including with tunnel at the top of hard-wired track, also include the pneumatic traction devices being installed on track, pneumatic traction dress
Put to roll by the wheel group of its grip track and promote its orbital motion, also include being promoted along slide by pneumatic traction devices
Suspension device, suspension device is slidably mounted on track by its bogey, and bogey is connected with pneumatic traction devices,
Suspension device also includes the supporting umbrella being connected with bogey one end；Roadway support transport integrated device is also included by pneumatic traction
The assistant conveyance device of device drives edge slide, assistant conveyance device are included along the coaster of slide and are installed with coaster
The air hoist of connection.
Preferably, in above-mentioned roadway support transport integrated device, suspension device also includes the support chassis for supporting supporting umbrella,
Supporting umbrella is connected with bogey by support chassis.
Preferably, in above-mentioned roadway support transport integrated device, bogey is hung on track before and after including two groups side by side
On suspension arm, away from supporting umbrella one group of suspension arm be provided with adjustment supporting umbrella position and attitude adjusting screw.
Preferably, in above-mentioned roadway support transport integrated device, away from being fixedly installed on one group of suspension arm of supporting umbrella
Support cylinder, support cylinder one end are connected with suspension arm, are offseted at the top of the other end and tunnel.
Preferably, in above-mentioned roadway support transport integrated device, push-tight cylinder is additionally provided between support chassis and supporting umbrella,
Push-tight cylinder one end is fixedly connected with support chassis position, and the other end is connected with supporting umbrella.
Preferably, in above-mentioned roadway support transport integrated device, supporting pack includes many bars and is hinged strutting or receiving for composition
The support cylinder that tight umbrella body and driving umbrella body are strutted or tightened up, umbrella body surface is equipped with protecting wire net.
Preferably, in above-mentioned roadway support transport integrated device, umbrella body includes several bows for support being arranged side by side
The bracing frame of horizontally set between ellbeam and bow beam, bow beam and support chassis are provided with the toggle that opens an umbrella, and support cylinder and support
Umbrella toggle connects, and drives the toggle that opens an umbrella movable to strut or tighten up umbrella body.
Preferably, in above-mentioned roadway support transport integrated device, pneumatic traction devices are connected with complemental brake system side by side,
The normally closed braking vane of brake of fitting with track is provided with complemental brake system, and normally closed braking vane is connected with the normally closed braking vane of change
The brake cylinder of operating attitude.
Preferably, in above-mentioned roadway support transport integrated device, pneumatic traction devices pass through pull bar and the universal joint being hinged
It is connected with bogey, coaster and complemental brake system respectively.
Preferably, in above-mentioned roadway support transport integrated device, air hoist includes pneumatic cord winder and aerobraking
Device, pneumatic braking system are to open the normally closed brake unit that air valve is just opened.
The present invention provide roadway support transport integrated device, for tunnelling material transportation and work surface meet head on before
Visit gib, including with tunnel at the top of hard-wired track, also include the pneumatic traction devices being installed on track, gas
Dynamic traction apparatuss are rolled by the wheel group of its grip track and promote its orbital motion, also include promoting edge by pneumatic traction devices
The suspension device of slide, suspension device are slidably mounted on track by its bogey, bogey and pneumatic traction
Device connects, and suspension device also includes the supporting umbrella being connected with bogey one end；Roadway support transport integrated device also includes
By the assistant conveyance device of pneumatic traction devices drives edge slide, assistant conveyance device include along slide coaster and
The air hoist being connected is installed with coaster.Using complete supporting arrange and bore dress anchor pole tunnel in arrange top rail,
And pneumatic traction devices are installed in orbit, promoting forward suspension device to reach using pneumatic traction devices does not carry out track laying
Work surface meet head on pick section new to tunnel carry out before spy gib, put and complete supporting using gas-operated integrated makeup, pacify
On installation tool device basic, use compressed air as the power of operation supporting, being largely avoided workman is directly carried out
Supporting is operated, and completes support work by only needing the minority Manpower operating device, and suspension device can be with need to enter to enter temporarily
Enter or withdraw from work convenient, once assembling can carry out multiple support work, and work efficiency is greatly improved, while it also avoid work
People directly carries out a variety of danger of support work；Additionally, being also equipped with the assistant conveyance promoted by pneumatic traction devices on track
Device, the assistant conveyance device can carry out the handling back and forth of weight along track, it is to avoid manpower carries out lift to move, and machinery replaces people
Power substantially increases work efficiency, and it also avoid workman carries out the too high work of intensity, reduces the damage of workman's body of knowing clearly.Comprehensive
Upper described, the structure design of the roadway support transport integrated device efficiently solves pure artificial operation carries out gib and its phase
Close the inefficiency of work, the problem that labor strength is excessive and safety is relatively low.
Description of the drawings
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to making needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, can be obtaining other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation that integrated device is transported in roadway support provided in an embodiment of the present invention；
Fig. 2 is the side structure schematic view of suspension device provided in an embodiment of the present invention；
Fig. 3 is the overlooking the structure diagram of suspension device provided in an embodiment of the present invention；
Fig. 4 is the positive structure diagram of the suspension arm away from supporting umbrella provided in an embodiment of the present invention；
Fig. 5 is the positive structure diagram of supporting umbrella provided in an embodiment of the present invention；
Fig. 6 is the overlooking the structure diagram of supporting umbrella provided in an embodiment of the present invention；
Fig. 7 is the side structure schematic view of supporting umbrella provided in an embodiment of the present invention；
In wherein Fig. 5, what dotted portion was presented is the structure under supporting umbrella tightening state.
In accompanying drawing, labelling is as follows：
1 is track, 2 is pneumatic traction devices, 3 is complemental brake system, 4 is suspension device, 41 is supporting umbrella, 411 are
Bow beam, 412 be the toggle that opens an umbrella, 413 for support cylinder, 414 be bracing frame, 42 be support chassis, 43 be suspension arm, 431 be
Adjusting screw, 44 be push-tight cylinder, 45 be support cylinder, 5 for auxiliary conveying arrangement, 51 be coaster, 52 be air hoist.
Specific embodiment
The embodiment of the invention discloses a kind of material transportation and work surface for tunnelling visits gib before meeting head on
Roadway support transport integrated device, carry out the inefficiency of gib and its related work to solve pure artificial operation,
The problem that labor strength is excessive and safety is more low.
Accompanying drawing in below in conjunction with the embodiment of the present invention, to the embodiment of the present invention in technical scheme carry out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiment.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-Fig. 7 is referred to, Fig. 1 to Fig. 7 is respectively roadway support transport integrated device provided in an embodiment of the present invention
Structural representation；The side-looking of suspension device, vertical view and positive structure diagram；Supporting umbrella 41 is faced, is overlooked and side-looking structure
Schematic diagram.
The present invention provide roadway support transport integrated device, for tunnelling material transportation and work surface meet head on before
Visit gib, including with tunnel at the top of hard-wired track 1, also include the pneumatic traction devices being installed on track 1
2, pneumatic traction devices 2 are rolled by the wheel group of its grip track 1 and promote which to move along track 1, also include being filled by pneumatic traction
The suspension device 4 that 2 promotions are slided along track 1 is put, suspension device 4 is slidably mounted on track 1 by its bogey, carry dress
Put and be connected with pneumatic traction devices 2, suspension device 4 also includes the supporting umbrella 41 being connected with bogey one end；Roadway support is transported
Defeated integrated device also includes that the assistant conveyance device 5 slided by 2 drives edge track 1 of pneumatic traction devices, assistant conveyance device 5 are wrapped
Include the coaster 51 slided along track 1 and the air hoist 52 being connected with the installation of coaster 51.
Wherein it should be noted that track 1 is fixedly installed in by the common technology means such as anchor pole complete supporting whitewashing
Tunnel section top；The wheel group of grip track 1 is provided with pneumatic traction devices 2, and is provided with the pneumatic dynamic of drive wheel group rotation
Power structure, including parts such as air motor, decelerators, due to the existing usual usage paradigm of the technology of pneumatic power structure, therefore does not exist
This enumerates；Promoted from pneumatic traction devices 2 and referred specifically to suspension device 4 to work along the suspension device 4 that track 1 slides
As face meet head on before visit and promote, make suspension device 4 reach the position for needing to carry out gib that track 1 had not been laid, or temporarily
Supporting has been completed, and is needed to pack up suspension device 4 to rear haulage or is carried out other operations；Bogey is used for suspension device
4 with track 1 to being connected, and support the weight of of suspension device 4 itself and support force needed for supporting be provided.
Using complete supporting arrange and bore dress anchor pole tunnel in arrange top rail 1, and on path 1 install gas
Dynamic traction apparatuss 2, using pneumatic traction devices 2 promote forward suspension device 4 reach do not carry out track 1 laying work surface meet head on
The gib that pick section new to tunnel is visited before carrying out, is put using gas-operated integrated makeup and completes supporting, installing machinery base
On plinth, use compressed air as the power of operation supporting, being largely avoided workman directly carries out supporting operation, only needs
The minority Manpower operating device can complete support work, and suspension device 4 can be entered or withdraw from work temporarily with entering
Convenient, once assembling can carry out multiple support work, and work efficiency is greatly improved, while it also avoid workman directly to carry out propping up
A variety of danger that nurse makees；Additionally, being also equipped with the assistant conveyance device 5 promoted by pneumatic traction devices 2 on track 1, this is auxiliary
Help the conveying arrangement 5 can to carry out the handling back and forth of weight along track 1, it is to avoid manpower carries out lift to move, machinery replaces manpower significantly
Work efficiency is improve, it also avoid workman carries out the too high work of intensity, reduces the damage of workman's body of knowing clearly.To sum up institute
State, the structure design of the roadway support transport integrated device efficiently solves pure artificial operation carries out gib and its related labor
The inefficiency of work, the problem that labor strength is excessive and safety is relatively low.
Design with the connection of bogey for further optimizing suspension device 4 in above-mentioned technical proposal, in above-described embodiment
On the basis of, suspension device 4 also includes the support chassis 42 for supporting supporting umbrella 41, and supporting umbrella 41 is by support chassis 42 and carrying
Device connects.Wherein it should be noted that support chassis 42 are the rigid structure with certain length, its length bearing of trend is put down
Row, because which is responsible for for supporting umbrella 41 stretching out track 1 forwards and is needed to support supporting due to which in 1 bearing of trend of track
Umbrella 41 conducts power to bogey, so support chassis 42 will have enough rigidity.
Using this design for connecting bogey and supporting umbrella 41 by support chassis 42, make the supporting umbrella 41 can
There is enough supporting distances and the global design of suspension device 4 is optimized from structure, structure is simple and reliable effectively to be completed
Technical assignment.
Design with the connection of bogey for further optimizing suspension device 4 in above-mentioned technical proposal, in above-described embodiment
On the basis of, bogey includes the suspension arm 43 being hung on before and after two groups side by side on track 1, and a group away from supporting umbrella 41 hangs
Upper arm 43 is provided with the adjusting screw 431 of 41 position and attitude of adjustment supporting umbrella.Wherein it should be noted that two groups of suspension arms 43 1
Previous 1 bearing of trend of tailing edge track is arranged side by side；In addition adjusting screw 431 described herein actually includes more than one set leading screw
Structure, respectively referring to 431 horizontally set of adjusting screw in Fig. 3 and Fig. 4, Fig. 3 is used for carrying out one to 41 right position of supporting umbrella
Fixed rotation is adjusted, and the adjusting screw 431 in Fig. 4 is longitudinally disposed for being finely adjusted to 41 height of supporting umbrella.
Using this technical scheme, using the weight of two groups of supporting suspension devices 4 of suspension arm 43 in front and back, the stability of carrying
Higher, prevent 42 sagging deflections of support chassis or in improperly operating attitude, and due to one group of suspension away from supporting umbrella 41
Arm 43 is provided with the adjusting screw 431 of 41 position and attitude of adjustment supporting umbrella, and ensure that in structure to carry out operations described below：When
When shield umbrella 41 needs to carry out pitching or the regulation of right position operation, suspension device 4 can be with the suspension arm near supporting umbrella 41
43 is fulcrum with the contact point of track 1, and rotating the regulation screw mandrel away from one group of suspension arm 43 of supporting umbrella 41 carries out pitching or a left side
Right position adjustment.
For further optimizing the support effect of suspension device 4 in above-mentioned technical proposal, on the basis of above-described embodiment, far
Support cylinder 45 is fixedly installed on one group of suspension arm 43 of supporting umbrella 41,45 one end of support cylinder is connected with suspension arm 43,
Offset at the top of the other end and tunnel.Using the design of this support cylinder 45, with one group of suspension arm 43 near supporting umbrella 41
Supporting umbrella 41 is held out against upward for fulcrum and carry out supporting at the top of tunnel, and contribute to power source by the use of pneumatic as power
Unified.
For further optimizing the support effect of suspension device 4 in above-mentioned technical proposal, on the basis of above-described embodiment,
Push-tight cylinder 44 is additionally provided between support chassis 42 and supporting umbrella 41, and 44 one end of push-tight cylinder is fixed with 42 position of support chassis and connected
Connect, the other end is connected with supporting umbrella 41.Using the design of this push-tight cylinder 44, supporting umbrella 41 can be held out against forwards in lane
Supporting is carried out at the top of road, and by the use of the pneumatic unification for contributing to power source as power.
For further optimizing the design of supporting umbrella 41 in above-mentioned technical proposal, on the basis of above-described embodiment,
Shield umbrella 41 includes the support cylinder 413 that many bars are hinged the umbrella body for strutting or tightening up of composition and drive umbrella body to strut or tighten up,
Umbrella body surface is equipped with protecting wire net.The operability that folding be ensure that using this umbrella body design being hinged, using support cylinder 413
Umbrella body is driven to strut or pack up, the umbrella body being easy under collapsed state is strutted after entering different top working environments again, or
It is easy to pack up after the completion of support work withdraw from, and by the use of the pneumatic unification for contributing to power source as power.
For further optimizing the design of supporting umbrella 41 in above-mentioned technical proposal, on the basis of above-described embodiment, umbrella
Body includes the bracing frame 414 of horizontally set between several bow beams 411 and bow beam 411 for support being arranged side by side, bow
Ellbeam 411 and support chassis 42 are provided with the toggle 412 that opens an umbrella, and support cylinder 413 to be connected with the toggle 412 that opens an umbrella, drive the hinge that opens an umbrella
412 activity of bar is strutting or tighten up umbrella body.
For further optimize above-mentioned technical proposal in 5 position adjustment of suspension device 4 and assistant conveyance device motility and
Safety, on the basis of above-described embodiment, pneumatic traction devices 2 are connected with complemental brake system 3, complemental brake system side by side
The normally closed braking vane of brake of fitting with track 1 is provided with 3, and normally closed braking vane is connected with and changes normally closed braking vane operating attitude
Brake cylinder.Using this complemental brake system 3, only in the case of brake cylinder ventilation, i.e. pneumatic traction devices 2 start
Ability take-off the brake on the premise of towage is carried out, largely ensure that the overall safety of device, it is to avoid in anon-normal
In the case of often, on track 1 there is the situation of uncontrollable shift in position in suspension device 4 or assistant conveyance device 5, it is ensured that Ren Yuanan
Complete and construction is smoothed out.
For further optimizing the connection on above-mentioned technical proposal middle orbit 1 between each building block, in above-described embodiment
On the basis of, pneumatic traction devices 2 pass through the pull bar being hinged and universal joint is filled with bogey, coaster 51 and auxiliary braking respectively
Put 3 connections.Effectively prevent as track 1 is distorted and it is irregular right to install using the interconnection technique scheme of universal joint plus draw bar
The motion of the miscellaneous part that installs on pneumatic traction devices 2 and track 1 is impacted.
For further optimizing the safety in utilization of assistant conveyance device 5 in above-mentioned technical proposal, in the base of above-described embodiment
On plinth, air hoist 52 includes pneumatic cord winder and pneumatic braking system, and pneumatic braking system is to open air valve just to open
Normally closed brake unit.There is improper falling in the case of the lifting weight of air hoist 52 is avoided using this normally closed mode of braking
Situation.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
Multiple modifications of these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope for causing.
Claims (8)
1. integrated device is transported in a kind of roadway support, for tunnelling material transportation and work surface meet head on before visit interim
Shield, it is characterised in that include and hard-wired track (1) at the top of tunnel, also includes being installed on pneumatic on the track (1)
Traction apparatuss (2), are provided with wheel group of grip track (1) in pneumatic traction devices (2), and wheel group is rolled and promotes described pneumatic lead
Leading-in device (2) is moved along track (1), also includes being promoted the suspension device slided along track (1) by the pneumatic traction devices (2)
(4), suspension device (4) are slidably mounted on the track (1) by its bogey, the bogey and the gas
Dynamic traction apparatuss (2) connect, and suspension device (4) also include the supporting umbrella (41) being connected with described bogey one end；Institute
The assistant conveyance that roadway support transport integrated device also includes being slided is stated by the pneumatic traction devices (2) drives edge track (1)
Device (5), assistant conveyance device (5) are included the coaster (51) slided along the track (1) and are pacified with the coaster (51)
The air hoist (52) that load connects；
Suspension device (4) also include the support chassis (42) for supporting supporting umbrella (41), and supporting umbrella (41) pass through
Support chassis (42) are connected with the bogey；
Bogey includes the suspension arm (43) being hung on before and after two groups side by side on the track (1), away from the supporting umbrella
(41) suspension arm (43) described in one group is provided with the adjusting screw (431) of adjustment supporting umbrella (41) position and attitude.
2. integrated device is transported in roadway support according to claim 1, it is characterised in that away from supporting umbrella (41)
Support cylinder (45), support cylinder (45) one end and the suspension arm is fixedly installed on suspension arm (43) described in a group
(43) connect, offset at the top of the other end and tunnel.
3. integrated device is transported in roadway support according to claim 1, it is characterised in that support chassis (42) and institute
State and between supporting umbrella (41), be additionally provided with push-tight cylinder (44), push-tight cylinder (44) one end and the support chassis (42) position
It is fixedly connected, the other end is connected with supporting umbrella (41).
4. integrated device is transported in roadway support according to claim 3, it is characterised in that described supporting umbrella (41) include many
The support cylinder (413) that bar is hinged the umbrella body for strutting or tightening up of composition and drives the umbrella body to strut or tighten up, the umbrella
Body surface face is equipped with protecting wire net.
5. integrated device is transported in roadway support according to claim 4, it is characterised in that the umbrella body include several side by side
The bracing frame (414) of horizontally set, the bow between the bow beam (411) for support for arranging and the bow beam (411)
Ellbeam (411) and the support chassis (42) are provided with the toggle that opens an umbrella (412), support cylinder (413) and the hinge that opens an umbrella
Bar (412) connects, and drives the toggle (412) that opens an umbrella movable to strut or tighten up umbrella body.
6. the roadway support transport integrated device according to any one of claim 1 to 5, it is characterised in that described pneumatic lead
Leading-in device (2) is connected with side by side to be provided with complemental brake system (3), complemental brake system (3) and is pasted with the track (1)
The normally closed braking vane of brake is closed, the normally closed braking vane is connected with the brake cylinder for changing the normally closed braking vane operating attitude.
7. integrated device is transported in roadway support according to claim 6, it is characterised in that pneumatic traction devices (2)
Connected with the bogey, the coaster (51) and the complemental brake system (3) by the pull bar and universal joint that are hinged respectively
Connect.
8. integrated device is transported in roadway support according to claim 1, it is characterised in that air hoist (52) include
Pneumatic cord winder and pneumatic braking system, the pneumatic braking system are to open the normally closed brake unit that air valve is just opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510161317.8A CN104863621B (en) | 2015-04-07 | 2015-04-07 | Integrated device is transported in roadway support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510161317.8A CN104863621B (en) | 2015-04-07 | 2015-04-07 | Integrated device is transported in roadway support |
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| CN104863621A CN104863621A (en) | 2015-08-26 |
| CN104863621B true CN104863621B (en) | 2017-03-15 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285752B (en) * | 2016-09-14 | 2018-06-08 | 安徽理工大学 | It is a kind of can local directed complete set rigidity immediate support device |
| CN106837398B (en) * | 2017-04-24 | 2019-10-25 | 北京双泰气动设备有限公司 | The comprehensive pneumatic temporary support device of pick |
| CN108046125B (en) * | 2017-10-23 | 2019-04-30 | 太原科技大学 | Lifting conveyer for air return lane fully-mechanized mining equipment maintenance part |
| CN110182230B (en) * | 2019-07-01 | 2024-01-30 | 中铁二院工程集团有限责任公司 | Suspended track beam and pneumatic system |
| CN111561334B (en) * | 2020-05-21 | 2021-12-14 | 湖南新田岭钨业有限公司 | Temporary protection supporting equipment for ore mining working face and supporting method thereof |
| CN113417654A (en) * | 2021-07-30 | 2021-09-21 | 江苏中机矿山设备有限公司 | Air-ground integrated roadway rapid tunneling system and using method thereof |
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| US4269547A (en) * | 1978-05-25 | 1981-05-26 | Harding John D | Tunnel roof supporting apparatus |
| CN202031619U (en) * | 2011-04-15 | 2011-11-09 | 山西大同大学 | Suspended mobile temporary supporting device of excavation roadway |
| CN102587951A (en) * | 2012-03-17 | 2012-07-18 | 河南理工大学 | Hydraulic U-type steel bracket supporting machine |
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| CN104863621A (en) | 2015-08-26 |
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