CN205741792U - Track passage formula is broken duct device - Google Patents
Track passage formula is broken duct device Download PDFInfo
- Publication number
- CN205741792U CN205741792U CN201620407291.0U CN201620407291U CN205741792U CN 205741792 U CN205741792 U CN 205741792U CN 201620407291 U CN201620407291 U CN 201620407291U CN 205741792 U CN205741792 U CN 205741792U
- Authority
- CN
- China
- Prior art keywords
- track
- disconnected
- duct device
- push
- linear actuator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
This utility model provides a kind of track passage formula and breaks duct device, belong to coal mine underground construction apparatus field, including two tracks disconnected and disconnected duct device body, disconnected duct device body is arranged at the position that track disconnects, disconnected duct device body includes fixed plate and two disconnected tracks, article two, disconnected track is fixing with fixed plate respectively is connected, and the two ends of disconnected track can gap with same track coordinate respectively, and the duct device body that breaks is connected with push-and-pull driving means.The track passage formula that this utility model provides breaks duct device by track disconnects the generation effectively preventing derailing accident; protect the life security of inclined gallery operating personnel; improve safety assurance ability; ensure that transportation system is safe and smooth; and this apparatus structure is simple; handling ease, easy to install, economical and practical.
Description
Technical field
This utility model relates to coal mine underground construction apparatus field, in particular to a kind of rail
Passage formula in road is broken duct device.
Background technology
Underground coal mine geological conditions is typically complex, it is ensured that the life of coal mine underground construction personnel
Safety is particularly important, and particularly under tunnel is to go up a slope mostly, ridge and bend are the most a lot
Underground coal mine, and its rail transport lane is longer, during using endless rope winch transportation,
It is susceptible to derailing accident, the life security of serious threat inclined gallery operating personnel.How to prevent from running
Car accident occurs, and is the important topic that faces of coal mine underground construction technical staff.
Utility model content
This utility model provides a kind of track passage formula and breaks duct device, it is intended to improve above-mentioned asking
Topic.
This utility model is achieved in that
A kind of track passage formula is broken duct device, including two tracks disconnected and disconnected duct device this
Body, described disconnected duct device body is arranged at the position that described track disconnects, and described disconnected duct device is originally
Body includes that fixed plate and two disconnected tracks, two described disconnected tracks are fixed with described fixed plate respectively
Connecting, the two ends of described disconnected track can gap with track described in same coordinate respectively,
Described disconnected duct device body is connected with push-and-pull driving means.
Further, the two ends of described disconnected track are respectively arranged with inclined-plane, two described scarfs
Becoming splayed, the gap of described track mates with described inclined-plane.
After disconnected duct device body is pushed by push-and-pull driving means, the inclined-plane on disconnected track and track
Gap coordinate, owing to the inclined-plane at disconnected track two ends forms splayed, it is possible to make disconnected track with
Track can coordinate the tightst when coordinating, and when normal vehicle operation, will not make vehicle
Become impact, it is ensured that the normal work of vehicle.In push-and-pull driving means, disconnected duct device body is pulled out
Time, splay inclined-plane also is able to make to separate with track easily, whole pull-out process,
Smooth and easy fast, it is possible to realize disconnected road in time, thus prevent sport car casualty accident.
Further, the angle between the bearing of trend of described inclined-plane and described disconnected track is
15°-45°。
In order to ensure that disconnected track can compare closely when coordinating with track, do not affect vehicle normal
Travel, ensure during disconnected road convenient and swift simultaneously, the angle of inclination on the inclined-plane on disconnected track is carried out
Optimizing design, the angle between the bearing of trend of inclined-plane and disconnected track is designed as 15 °-45 °,
Design effect can be reached the most simultaneously.
Further, described push-and-pull driving means includes pneumatic linear actuator, the pull bar of described pneumatic linear actuator with
The fixing connection of disconnected track near described pneumatic linear actuator.
Push-and-pull driving means uses pneumatic linear actuator, and pneumatic linear actuator is by pneumatic linear actuator when push-and-pull
Pull bar push-and-pull break track, make push-and-pull convenient, and easily controllable, cost is relatively low, warp
Ji practicality.
Further, described pneumatic linear actuator is provided with source of the gas input pipe, described source of the gas input pipe with
Down-hole pressure airduct connects.
Source of the gas input pipe on pneumatic linear actuator connects with down-hole pressure airduct, i.e. uses down-hole pressure wind
As the source of the gas of pneumatic linear actuator, can realize gathering materials on the spot, make full use of underground construction resource, reduce
The operating cost of this device, economical uses, and handling ease is easy to use, ensure that simultaneously
The normal use of pneumatic linear actuator, the push-and-pull track that breaks is more convenient.
Further, described push-and-pull driving means also includes that pneumatic linear actuator fixes seat, described pneumatic linear actuator
Being installed on described pneumatic linear actuator and fix on seat, described pneumatic linear actuator is fixed seat and is disposed therein described in one
The outside of disconnected track.
Pneumatic linear actuator is fixed on pneumatic linear actuator and fixes on seat, makes pneumatic linear actuator break in push-and-pull the process of track
In, the most firm all the time, bigger skew will not be produced or rock, it is ensured that push-and-pull puts in place, carrying
Promptness that height is resolved and stability.
Further, described push-and-pull driving means includes screw mandrel, motor and nut, described electricity
Machine is connected with described screw mandrel, and described nut coordinates with described screw mandrel, and described nut is arranged at connection
On block, described contiguous block is fixed with the disconnected track near described motor and is connected.
Driven by motor screw mandrel, and make contiguous block translate on screw mandrel by nut, contiguous block drives
Disconnected track translation, thus realize the push-and-pull of disconnected track.Push-and-pull driving means uses the structure of screw mandrel,
Realize the switching of push-and-pull process by controlling turning to of motor, make transmission more steady, control letter
Single, push-and-pull is convenient rapidly.
Further, also including limiting plate, limiting plate is arranged at away from described push-and-pull driving means
The outside of disconnected track, when described disconnected track props up described limiting plate, the two ends of described disconnected track
Coordinate with described track.
Push-and-pull driving means is disposed therein the outside of a disconnected track, and limiting plate is arranged at another
The outside of disconnected track, when push-and-pull driving means promotes disconnected duct device body, limiting plate can limit
The stroke promoted, makes the two of disconnected track correct and coordinates with track, and complete pushing course, this
Sample, it is ensured that resolve track and put in place accurately, it is ensured that what vehicle travelled is normally carried out.
Further, described fixed plate is iron plate.
Fixed plate uses iron plate, on the basis of not affecting push-and-pull, reduces cost, processing letter
Easily, and can well disconnected track be fixed, economic use.
Further, the length of two described disconnected tracks is equal, and it is a length of
800-1200mm。
The length of disconnected track is 800-1200mm, it is possible to after ensureing disconnected road well, vehicle
Travel and slide down to time herein, prevent vehicle from continuing on well, protection inclined gallery operating personnel's
Life security.
The track passage formula duct device that breaks that this utility model provides provides the benefit that: this track
The passage formula duct device track that breaks in the ordinary course of things that breaks coordinates with track, and vehicle is at disconnected track
Place also be able to normal through.If it occur that derailing accident, then push-and-pull driving means works, push-and-pull
Disconnected duct device body is pulled out by driving means so that disconnected track separates with track, i.e. track disconnects,
When vehicle travels to gap, can slide down, prevent vehicle from continuing on, thus protect inclined gallery to make
The life security of industry personnel.After process accident completes, only will need to be broken by push-and-pull driving means
Duct device body pushed home, makes disconnected track and track coordinate, and track is replied complete, can
Ensure normal vehicle operation.
Therefore, the track passage formula that this utility model provides breaks duct device by track disconnection being had
Effect prevents the generation of derailing accident, protects the life security of inclined gallery operating personnel, improves safety
Supportability, it is ensured that transportation system is safe and smooth, and this apparatus structure is simple, handling ease,
Easy to install, economical and practical.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below will be to enforcement
In example, the required accompanying drawing used is briefly described, it will be appreciated that the following drawings illustrate only
Some embodiment of the present utility model, is therefore not construed as the restriction to scope, for this
From the point of view of the those of ordinary skill of field, on the premise of not paying creative work, it is also possible to according to
These accompanying drawings obtain the accompanying drawing that other are relevant.
The track passage formula that Fig. 1 provides for this utility model first embodiment is broken the whole of duct device
Body structural representation；
The track passage formula that Fig. 2 provides for this utility model the second embodiment is broken the pushing away of duct device
Draw the structural representation of driving means.
Figure acceptance of the bid note is respectively as follows:
Track 101；Fixed plate 102；Disconnected track 103；Inclined-plane 104；Pneumatic linear actuator 105；Gas
Seat 106 fixed by dynamic cylinder；Limiting plate 107；
Screw mandrel 201；Motor 202；Nut 203；Contiguous block 204.
Detailed description of the invention
Underground coal mine geological conditions is typically complex, it is ensured that the life of coal mine underground construction personnel
Safety is particularly important, and particularly under tunnel is to go up a slope mostly, ridge and bend are the most a lot
Underground coal mine, and its rail transport lane is longer, during using endless rope winch transportation,
It is susceptible to derailing accident, the life security of serious threat inclined gallery operating personnel.How to prevent from running
Car accident occurs, and is the important topic that faces of coal mine underground construction technical staff.
In consideration of it, designer of the present utility model is by long-term exploration and trial, and repeatedly
Experiment and effort, constantly reform and innovate, devise a kind of track passage formula and break duct device,
By track 101 being disconnected the generation effectively preventing derailing accident, protect inclined gallery operating personnel
Life security, improve safety assurance ability, it is ensured that transportation system is safe and smooth, and this dress
Put simple in construction, handling ease, easy to install, economical and practical.
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below
The accompanying drawing in this utility model embodiment will be combined, to the technical side in this utility model embodiment
Case is clearly and completely described, it is clear that described embodiment is this utility model one
Divide embodiment rather than whole embodiments.Generally herein described in accompanying drawing and the basis that illustrates
The assembly of utility model embodiment can be arranged with various different configurations and design.Therefore,
Detailed description to the embodiment of the present utility model provided in the accompanying drawings is not intended to limit below
The scope of the present utility model that system is claimed, but it is merely representative of selected reality of the present utility model
Execute example.Based on the embodiment in this utility model, those of ordinary skill in the art are not making
The every other embodiment obtained under creative work premise, broadly falls into this utility model protection
Scope.
First embodiment
Refer to Fig. 1, present embodiments provide a kind of track passage formula and break duct device, this track
The passage formula duct device that breaks includes two tracks disconnected 101 and disconnected duct device body, disconnected road dress
Putting body and be arranged at the position that track 101 disconnects, disconnected duct device body includes fixed plate 102
With two disconnected tracks 103, two disconnected tracks 103 are fixed with fixed plate 102 respectively and are connected, disconnected
The two ends of track 103 can gap with same track 101 coordinate respectively, disconnected duct device
Body is connected with push-and-pull driving means.
Should be appreciated that fixed plate 102 for fixing disconnected track 103, fixed plate 102 is in push-and-pull
Time can translation gliding on the device below ground or fixed plate 102, for ensureing push-and-pull effect
Really, in fixed plate, 102 times the structure such as guide rail, ball can be set, make translation more smooth and easy, protect
Card push-and-pull is promptly and accurately.It addition, push-and-pull driving means is existing structure, such as, can use pneumatic
Cylinder 105, screw mandrel 201 etc., it would however also be possible to employ other can realize the driving structure of push-and-pull, as long as
It is capable of the pull-out of disconnected duct device body and pushes back.Push-and-pull driving means acts on disconnected road
Any position on device body all can realize push-and-pull, can push-and-pull break track 103, it is also possible to push away
Draw fixed plate 102, as long as disconnected duct device body entirety removal can be made or retracts.
This track passage formula duct device track 103 that breaks in the ordinary course of things that breaks is and track 101
Coordinate, vehicle also be able at disconnected track 103 normal through, be preferably disposed in the middle part of slope.
If it occur that derailing accident, then push-and-pull driving means works, and push-and-pull driving means is by disconnected duct device
Body pulls out so that disconnected track 103 separates with track 101, i.e. track 101 disconnects, vehicle
When travelling to gap, can slide down, prevent vehicle from continuing on, thus protect inclined gallery operation people
The life security of member.After process accident completes, only by push-and-pull driving means, disconnected road need to be filled
Putting body pushed home, make disconnected track 103 and track 101 coordinate, track 101 is replied
Completely, it is ensured that normal vehicle operation.
Therefore, the track passage formula that the present embodiment provides breaks duct device by being disconnected by track 101
Effectively prevent the generation of derailing accident, protect the life security of inclined gallery operating personnel, improve peace
Full supportability, it is ensured that transportation system is safe and smooth, and this apparatus structure is simple, and processing is held
Easily, easy to install, economical and practical.
Further, referring to Fig. 1, the two ends of disconnected track 103 are respectively arranged with inclined-plane 104,
Two inclined-planes 104 form splayed, and the gap of track 101 mates with inclined-plane 104.
Inclined-plane after disconnected duct device body is pushed by push-and-pull driving means, on disconnected track 103
104 coordinate with the gap of track 101, owing to the inclined-plane 104 at disconnected track 103 two ends is formed
Splayed, it is possible to enable disconnected track 103 and track 101 when coordinating the tightst,
When normal vehicle operation, vehicle will not be impacted, it is ensured that the normal work of vehicle.?
When disconnected duct device body is pulled out by push-and-pull driving means, splay inclined-plane 104 also is able to make very
Separate with track 101 easily, whole pull-out process, smooth and easy fast, it is possible in time
Realize disconnected road, thus prevent sport car casualty accident.
As preferably, the angle between the bearing of trend of inclined-plane 104 and disconnected track 103 is 15 °
-45°.As it is further preferred that this angle is 30 °.
In order to ensure that disconnected track 103 can compare closely when coordinating with track 101, do not affect
Normal vehicle operation, ensures during disconnected road convenient and swift, to the inclined-plane on disconnected track 103 simultaneously
The angle of inclination of 104 is optimized design, the bearing of trend of inclined-plane 104 and disconnected track 103 it
Between angle be designed as 15 °-45 °, it is possible to reach design effect the most simultaneously.
Push-and-pull driving means includes pneumatic linear actuator 105, the pull bar of pneumatic linear actuator 105 and close pneumatic linear actuator
The disconnected track 103 of 105 is fixing to be connected.Push-and-pull driving means uses pneumatic linear actuator 105, and gas
Dynamic cylinder 105 is to be broken track 103 by the pull bar push-and-pull on pneumatic linear actuator 105 when push-and-pull, makes to push away
Draw convenient, and easily controllable, and cost is relatively low, economical and practical.
Being provided with source of the gas input pipe on pneumatic linear actuator 105, source of the gas input pipe is with down-hole pressure airduct even
Logical.Source of the gas input pipe on pneumatic linear actuator 105 connects with down-hole pressure airduct, i.e. uses underground pressure
Power wind, as the source of the gas of pneumatic linear actuator 105, can realize gathering materials on the spot, and makes full use of underground construction money
Source, reduces the operating cost of this device, and economy uses, and handling ease is easy to use, with
Time ensure that the normal use of pneumatic linear actuator 105, the push-and-pull track 103 that breaks is more convenient.
Push-and-pull driving means also includes that seat 106 fixed by pneumatic linear actuator, and pneumatic linear actuator 105 is installed on pneumatic
Cylinder is fixed on seat 106, and pneumatic linear actuator is fixed seat 106 and is disposed therein outside a disconnected track 103
Side.Pneumatic linear actuator 105 is fixed on pneumatic linear actuator and fixes on seat 106, makes pneumatic linear actuator 105 break in push-and-pull
During track 103, the most firm all the time, bigger skew will not be produced or rock, protecting
Card push-and-pull puts in place, improves the promptness and stability resolved.
This track passage formula duct device that breaks also includes that limiting plate 107, limiting plate 107 are arranged at far
From the outside of the disconnected track 103 of push-and-pull driving means, disconnected track 103 props up limiting plate 107
Time, the two ends of disconnected track 103 coordinate with track 101.
Push-and-pull driving means is disposed therein the outside of a disconnected track 103, limiting plate 107
It is arranged at the outside of another disconnected track 103, when push-and-pull driving means promotes disconnected duct device body,
Limiting plate 107 can limit the stroke of promotion, makes the two of disconnected track 103 correct and track
101 coordinate, and complete pushing course, this way it is ensured that disconnected track 103 puts in place accurately, protect
What card vehicle travelled is normally carried out.
As preferably, in the present embodiment, fixed plate 102 is iron plate.Fixed plate 102 uses ferrum
Plate, on the basis of not affecting push-and-pull, reduces cost, and processing is simple, and can be fine
Disconnected track 103 is fixed by ground, economic use.
Article two, the length of disconnected track 103 is equal, and its length is preferably 800-1200mm, makees
For it is further preferred that a length of 1000mm of disconnected track 103, the length of the most disconnected track 103 can
Think random length, but push-and-pull is broken and ensures the purpose of normal driving, this reality for convenience
Execute the preferred 800-1200mm of example.It addition, the length of two disconnected tracks 103 can be equal, also
Can be different in size.
The length of disconnected track 103 is 800-1200mm, it is possible to after ensureing disconnected road well,
Vehicle travels and slides down to time herein, prevents vehicle from continuing on well, protects inclined gallery operation people
The life security of member.
It addition, during the disconnected track 103 of pull-out, the distance preferably pulled out is 200mm, then away from
That disconnected track 103 of pneumatic linear actuator 105, between two tracks 101, can ensure vehicle
Slide down.
Second embodiment
Track that the present embodiment is provided passage formula is broken duct device, its basic structure and principle and product
Raw technique effect is identical with first embodiment, and for briefly describing, the present embodiment part is not mentioned
Part, refers to corresponding contents in first embodiment.The track passage formula that the present embodiment is provided
From the difference of first embodiment, disconnected duct device is that push-and-pull driving means is different.
Referring to Fig. 2, in the present embodiment, push-and-pull driving means includes screw mandrel 201, motor 202
And nut 203, motor 202 is connected with screw mandrel 201, and nut 203 coordinates with screw mandrel 201,
Nut 203 is arranged on contiguous block 204, contiguous block 204 and the disconnected track near motor 202
103 fixing connections.
Motor 202 drives screw mandrel 201, and makes contiguous block 204 at screw mandrel 201 by nut 203
Upper translation, contiguous block 204 band dynamic circuit breaker track 103 translates, thus realizes pushing away of disconnected track 103
Draw.Push-and-pull driving means use screw mandrel 201 structure, by control motor 202 turn to reality
The switching of existing push-and-pull process, makes transmission more steady, controls simple, and push-and-pull is convenient rapidly.
In description of the present utility model, it is to be understood that term " on ", D score etc. refers to
The orientation shown or position relationship are based on orientation shown in the drawings or position relationship, merely to just
In describing this utility model and simplifying description rather than instruction or the equipment of hint indication or element
Must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right
Restriction of the present utility model.
In this utility model, unless otherwise clearly defined and limited, term " install ",
" connect ", the term such as " fixing " should be interpreted broadly, and connects, also for example, it may be fixing
Can be to removably connect, or integral；Can be to be mechanically connected, it is also possible to be electrical connection；
Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements
The connection in portion or the interaction relationship of two elements.For those of ordinary skill in the art
Speech, can understand above-mentioned term concrete meaning in this utility model as the case may be.
The foregoing is only preferred embodiment of the present utility model, be not limited to this reality
With novel, for a person skilled in the art, this utility model can have various change and
Change.All within spirit of the present utility model and principle, any amendment, the equivalent made are replaced
Change, improvement etc., within should be included in protection domain of the present utility model.
Claims (10)
1. track passage formula is broken duct device, it is characterised in that include two tracks disconnected
And disconnected duct device body, described disconnected duct device body is arranged at the position that described track disconnects,
Described disconnected duct device body includes fixed plate and two disconnected tracks, two described disconnected tracks respectively with
Described fixed plate is fixing to be connected, the two ends of described disconnected track can respectively with track described in same
Gap coordinate, described disconnected duct device body is connected with push-and-pull driving means.
Track the most according to claim 1 passage formula is broken duct device, it is characterised in that institute
The two ends stating disconnected track are respectively arranged with inclined-plane, and two described inclined-planes form splayed, described rail
The gap in road mates with described inclined-plane.
Track the most according to claim 2 passage formula is broken duct device, it is characterised in that institute
Stating the angle between the bearing of trend of inclined-plane and described disconnected track is 15 °-45 °.
Track the most according to claim 1 passage formula is broken duct device, it is characterised in that institute
State push-and-pull driving means and include pneumatic linear actuator, the pull bar of described pneumatic linear actuator and close described pneumatic linear actuator
Disconnected track is fixing to be connected.
Track the most according to claim 4 passage formula is broken duct device, it is characterised in that institute
Stating and be provided with source of the gas input pipe on pneumatic linear actuator, described source of the gas input pipe is with down-hole pressure airduct even
Logical.
Track the most according to claim 4 passage formula is broken duct device, it is characterised in that institute
Stating push-and-pull driving means and also include that seat fixed by pneumatic linear actuator, described pneumatic linear actuator is installed on described pneumatic linear actuator
On fixing seat, described pneumatic linear actuator is fixed seat and is disposed therein the outside of a described disconnected track.
Track the most according to claim 1 passage formula is broken duct device, it is characterised in that institute
State push-and-pull driving means and include that screw mandrel, motor and nut, described motor are connected with described screw mandrel,
Described nut coordinates with described screw mandrel, and described nut is arranged on contiguous block, described contiguous block with
The fixing connection of disconnected track near described motor.
Track the most according to claim 1 passage formula is broken duct device, it is characterised in that also
Including limiting plate, limiting plate is arranged at the outside of the disconnected track away from described push-and-pull driving means,
When described disconnected track props up described limiting plate, the two ends of described disconnected track coordinate with described track.
Track the most according to claim 1 passage formula is broken duct device, it is characterised in that institute
Stating fixed plate is iron plate.
Track the most according to claim 1 passage formula is broken duct device, it is characterised in that
Article two, the length of described disconnected track is equal, and its a length of 800-1200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620407291.0U CN205741792U (en) | 2016-05-09 | 2016-05-09 | Track passage formula is broken duct device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620407291.0U CN205741792U (en) | 2016-05-09 | 2016-05-09 | Track passage formula is broken duct device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205741792U true CN205741792U (en) | 2016-11-30 |
Family
ID=57370980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620407291.0U Expired - Fee Related CN205741792U (en) | 2016-05-09 | 2016-05-09 | Track passage formula is broken duct device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205741792U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109335533A (en) * | 2018-09-28 | 2019-02-15 | 江苏六维智能物流装备股份有限公司 | A kind of real-time avoiding device of track |
-
2016
- 2016-05-09 CN CN201620407291.0U patent/CN205741792U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109335533A (en) * | 2018-09-28 | 2019-02-15 | 江苏六维智能物流装备股份有限公司 | A kind of real-time avoiding device of track |
| CN109335533B (en) * | 2018-09-28 | 2020-08-18 | 江苏六维智能物流装备股份有限公司 | Real-time avoiding device for track |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203961989U (en) | A kind of full section rock drilling stand for the short benching tunnelling method construction in tunnel | |
| CN205741792U (en) | Track passage formula is broken duct device | |
| CN201934131U (en) | Horizontal transportation system for shield tunnel | |
| CN102979532B (en) | A kind of assistance with hill road coordinates the development method of belt inclined shaft haulage | |
| CN101158139A (en) | Rail vehicle track and railroad switch | |
| CN203321581U (en) | Material conveying device for inclined shaft | |
| CN105799725B (en) | Spring mine car static brake device | |
| CN202208295U (en) | Underground mine transportation pool and mine slant well elevating system | |
| CN205576649U (en) | Special switch of continuous traction system track of multilevel inclined drifts electrodeless rope of duplex type | |
| CN203700890U (en) | Mine track limiting device | |
| CN204236494U (en) | Transport trolley stop device in heavy grade shield tunnel | |
| CN205273492U (en) | Mine inclined drifts car blocking device | |
| CN104632275A (en) | Uphill and downhill winch upper gradient change point grading gradient change promoting design method | |
| CN204198214U (en) | With the lane inner orbit car elevator system of guide piece of uncoupling | |
| CN204236493U (en) | A kind of new mine product track double rail device | |
| CN208360186U (en) | A kind of mine elevator diclinic ramp promotes that mine car is automatically-unhooked and separator | |
| CN205186178U (en) | Fixed mine wagon falls guide rerail device | |
| CN207047615U (en) | Rail system and fully-mechanized mining working | |
| CN207241726U (en) | A kind of mining narrow gage vehicle double rail device | |
| CN105803868A (en) | Special turnout junction for multilevel inclined roadway double-rope endless rope continuous traction system rail | |
| CN203472888U (en) | Pneumatic turnout of endless rope winch | |
| CN203295006U (en) | Cable biting prevention device of winch cable under coal mine | |
| CN203998685U (en) | Monorail hoist falling-proof protecting device | |
| CN103708370A (en) | Mining pneumatic lifting type rope supporting device for inclined drift | |
| CN103736792B (en) | Portable single track hanging beam is taken bending apparatus and is taken bending method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20170509 |