CN101844570B - Mine inclined laneway car-sliding-prevention method and interlocking car stopper - Google Patents

Mine inclined laneway car-sliding-prevention method and interlocking car stopper Download PDF

Info

Publication number
CN101844570B
CN101844570B CN2010101961667A CN201010196166A CN101844570B CN 101844570 B CN101844570 B CN 101844570B CN 2010101961667 A CN2010101961667 A CN 2010101961667A CN 201010196166 A CN201010196166 A CN 201010196166A CN 101844570 B CN101844570 B CN 101844570B
Authority
CN
China
Prior art keywords
stopping device
alley stopping
car
hanging beam
alley
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.)
Active
Application number
CN2010101961667A
Other languages
Chinese (zh)
Other versions
CN101844570A (en
Inventor
潘志宁
刘庆林
葛光明
王树全
王波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Tiandi Huatai Mining Management Co Ltd
Original Assignee
Beijing Tiandi Huatai Mining Engineering & Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Tiandi Huatai Mining Engineering & Technology Co Ltd filed Critical Beijing Tiandi Huatai Mining Engineering & Technology Co Ltd
Priority to CN2010101961667A priority Critical patent/CN101844570B/en
Publication of CN101844570A publication Critical patent/CN101844570A/en
Application granted granted Critical
Publication of CN101844570B publication Critical patent/CN101844570B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Lining And Supports For Tunnels (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

The invention relates to a mine inclined laneway car-sliding-prevention method and an interlocking car stopper. The interlocking car stopper comprises a first car stopping device and a second car stopping device, wherein the first car stopping device is arranged at the top end of a downslope laneway, the position of the downslope laneway with the distance of two mine car trains from the first car stopping device is provided with the second car stopping device, the first car stopping device and the second car stopping device realize the interlocking action through a linkage device with the effects that when the first car stopping device is opened, the second car stopping device is closed, and when the first car stopping device is closed, the second car stopping device is opened. Because the invention installs two car stopping devices at the top end of the downslope and in the downslope, all stages of the mine car trains easy to have faults are controlled, car-sliding accidents are greatly reduced, and personnel casualties are avoided. The linkage device utilizes the gravity to realize the effects that the complementary opening and closing action of the car stopping devices in two positions is light and handy, the operation is simple and convenient, and the work intensity is greatly reduced. The car stopping devices use a simple structure like a hanging beam to effectively generate the braking effect of the mine car trains, and the structure is very simple.

Description

A kind of interlocking stop buffer of mine inclined anti-running
Technical field
The present invention relates to a kind of method and interlocking stop buffer of mine inclined anti-running, is a kind of method and mechanical device that guarantees the mine traffic safety.
Background technology
Rail transport is the important means of assistant conveyance under the coal mine, be responsible for coal mining headwork flooring, equipment in fortune and returning remove and spoil etc. is outwards transported in the rock out tunnel.Rise and fall because the tunnel exists, the inclined gallery transportation is inevitable.Because in the transportation of inclined gallery, if after the lifting article lose tractive force, mine car leans on self gravitation just can quicken under track grade, to dash, and causes flat derailing accident, serious threat inclined gallery bottom staff and device security.So it is the emphasis of mine hoisting transport that coal mine sloping lane promotes transportation safety always, be the important bad joint that guarantees Safety of Coal Mine Production.The facility of keeping off a car is the most frequently used anti roll device in present down-hole, its reliably be the important assurance of inclined gallery transportations.Existing anti roll device is arranged on the top of inclined gallery usually under the present coal mine; When trip sailed the descending tunnel into by level, drawbar load changed, and the car haul steel cable is produced reverse stress; At this moment fracture by fatigue takes place in steel cable very easily, produces the slide car.In addition, do not connect between mine car or connect and insecurely can produce the slide car yet.That is to say that the slide car usually appears at through after the anti roll device, in this case, anti roll device is used inconvenience, and use also is difficult to standard.This problem perplexs transportation safety always.
Summary of the invention
The objective of the invention is to propose a kind of method and interlocking stop buffer of mine inclined anti-running.The method of described anti-running is provided with two place's alley stopping devices; One is in the top in descending tunnel; Another is in the position apart from two the trip length in descending top, and two alley stopping devices can be operated at any one alley stopping device place, like this after trip gets into the descending tunnel fully; Et out of order also can be controlled advancing of mine car by actv. again.Also designed a kind of stop buffer of interlocking type according to said method the present invention, be about to the stop buffer interlocking at two places, opened one for one and just close, operative employee's labour intensity is reduced greatly.
The objective of the invention is to realize like this: a kind of method of mine inclined anti-running; The device that described method is used comprises: first alley stopping device that is provided with on top, descending tunnel; At second alley stopping device that the position apart from two the trip length in top, descending tunnel is provided with, the step of said method is following:
Whether observe the step of trip horizontal motion: it is normal to be used to observe the horizontal motion of mine car before getting into the descending tunnel, if mal then can not open first stop buffer, if the braking trip is normally then get into next step.
Allow the step of trip: be used to open first alley stopping device, make trip smoothly through first alley stopping device through first alley stopping device.
Observe the step of trip in descending tunnel running condition: whether operation is normal in the descending tunnel to be used to watch trip; If take place unusually then can not open second alley stopping device; The braking trip; If normally then get into next step, trip through behind first alley stopping device, can cut out first alley stopping device smoothly.
Allow the step of trip: be used to open second alley stopping device, make trip smoothly through second alley stopping device through second alley stopping device.
Use the interlocking stop buffer of said method, comprise first alley stopping device that is arranged on top, descending tunnel, it is characterized in that, the position in the descending tunnel of two trip distances of distance first alley stopping device is provided with second alley stopping device; Described first alley stopping device is connected through the linkage that produces the interlocking action that second alley stopping device is closed, second alley stopping device was opened when first alley stopping device was closed when first alley stopping device is opened with second alley stopping device; The structure of described first alley stopping device and second alley stopping device comprises: two anchor poles that are fixed on the top, tunnel; Fixed a fixed link by said anchor pole between said two anchor poles; Being installed with one on the described fixed link can free rotating sleeve; An end of the automobile-used hanging beam of fixed stop on the said sleeve; The other end of said hanging beam is the free end that can lift or put down; Described linkage comprises: be connected the free-ended steel rope of hanging beam of first alley stopping device, the first hanging beam pulley of the approaching back of free end when the hanging beam that said steel wire penetrating is fixed on first alley stopping device lifts, and a plurality of leading sheaves that are fixed on the back that leads to second alley stopping device; The second hanging beam pulley near when said steel rope finally passes the hanging beam that is fixed on second alley stopping device and lifts the free end the back is connected on the free end of hanging beam of second alley stopping device.
The structure of described first alley stopping device and second alley stopping device comprises: two anchor poles that are fixed on the top, tunnel; Fixed a fixed link by said anchor pole between said two anchor poles; Being installed with one on the described fixed link can free rotating sleeve; An end of the automobile-used hanging beam of fixed stop on the said sleeve, the other end of said hanging beam is the free end that can lift or put down, and is 25 °~35 ° angles near to or in contact with roadway floor and with roadway floor when the free end of said hanging beam puts down.
Described linkage comprises: the free-ended steel rope of hanging beam that is connected first alley stopping device; The first hanging beam pulley of the approaching back of free end when the hanging beam that said steel wire penetrating is fixed on first alley stopping device lifts; And a plurality of leading sheaves that are fixed on the back that leads to second alley stopping device; The second hanging beam pulley near when said steel rope finally passes the hanging beam that is fixed on second alley stopping device and lifts the free end the back is connected on the free end of hanging beam of second alley stopping device.
The beneficial effect that the present invention produces is: owing in down-hill top and descending, be provided with two alley stopping devices, the stage that trip is broken down the most easily all is controlled, and the car accident of slipping significantly reduces, and has avoided personnel's injures and deaths.Linkage utilizes gravity to make the complementary on-off action of two place's alley stopping devices light and handy, simple to operation, greatly reduces labour intensity.Alley stopping device uses this simple structure actv. of hanging beam to produce the trip brake action, and structure is very simple.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Fig. 1 is the structural representation of the stop buffer of inventive embodiments one, two described methods uses;
Fig. 2 is the structural representation of inventive embodiments three described alley stopping devices;
Fig. 3 is the structural representation of the linkage of inventive embodiments four described stop buffers.
The specific embodiment
Embodiment one:
Present embodiment is a kind of method of mine inclined anti-running, and is as shown in Figure 1.The device that the described method of present embodiment is used comprises: first alley stopping device 2 that is provided with on 4 tops, descending tunnel, second alley stopping device 5 that is provided with in the position apart from two trip 1 length in top, descending tunnel (sign of A among Fig. 1).Normally closed, second alley stopping device of first alley stopping device is often opened under normal condition; Top, described descending tunnel can be interpreted as the roadway slope change point; Promptly there is the gradient in this some beginning tunnel to change; Mainly be that the tunnel begins downwards, form certain downward gradient, this downward tunnel is commonly referred to inclined gallery.Second alley stopping device is arranged on the position of two trip length of distance first alley stopping device.Calculate with 5 railway carriages of a trip, the length of the long 2 meters twice trips of each railway carriage approximately is 20 meters.Why being arranged on the extension position of twice trip, is because of the running state of being convenient to observe trip, and the running state of too near trip is not obvious; The slide car kinematic velocity of then trip too far away is too high; Momentum is excessive, and is wayward, damages easily.Through test of many times and checking, the length of two-fold trip is optimum.The operation of described first and second alley stopping device of present embodiment is accomplished by special operative employee.Two alley stopping devices link, and when first alley stopping device was closed, second alley stopping device was opened; When first alley stopping device was opened, second alley stopping device was closed.The said method of present embodiment is when initial, and first alley stopping device is closed, and second alley stopping device is opened simultaneously.Alley stopping device is a kind of a kind of brake gear that is fixed on ground, tunnel or both sides or top board, can the mine car of motion stopped.Brake gear has various ways, can be a kind of installation block in orbit, makes the wheel of mine car can't continue to roll forward.Also can be a kind ofly to traverse the tunnel and crossbeam that can open, retaining be on the tunnel that mine car passes through.When closing, crossbeam stops moving ahead of mine car.Also can be a kind of hanging beam, hanging beam one end be hung on the back, and the other end is free to fall, near the base plate in tunnel.As long as it is enough low that the free end of hanging beam puts down, just can stop mine car to move ahead by actv..
The step of the said method of present embodiment comprises:
1) whether observe the step of trip horizontal motion: it is normal to be used to observe the horizontal motion of mine car before getting into the descending tunnel, if mal then can not open first stop buffer, if the braking trip is normally then get into next step.This step is very important, though be that mine car is that the flatcar field moves horizontally, in the connection procedure of trip, a chain of bonded assembly between each mine car is safe inadequately, and trip also can rupture, and can cause the slide car equally.Therefore must be noted that the operation of observing trip.
2) allow the step of trip: be used to open first alley stopping device, make trip smoothly through first alley stopping device through first alley stopping device.This step is that the operative employee thinks that whole trip operation is normal, can let pass, and therefore opens first alley stopping device, makes trip pass through first alley stopping device, gets into inclined gallery.
3) observe the step of trip in descending tunnel running condition: whether operation is normal in the descending tunnel to be used to watch trip; If take place unusually then can not open second alley stopping device; The braking trip, if normally then get into next step, trip is smoothly through behind first alley stopping device; First alley stopping device should stay open state, so that second alley stopping device is in closed condition.Trip is through behind first alley stopping device, and the operative employee must pay close attention to and observe the running condition of trip in inclined gallery.If trip operates steadily, then belong to normal.If trip more and more sooner just explanation meet accident, trip is stopped, this just can not open second alley stopping device, to the trip processing of braking, prevents to slip the serious consequence of car.Observing under the normal situation of mine car like this, when opening second alley stopping device, because two alley stopping devices have linkage 3 interlocks, then first alley stopping device is closed, (keeping off a car for two that solid line is represented among Fig. 1); First alley stopping device is opened then second alley stopping device and is closed (keeping off a car for two that dotted line is represented among Fig. 1), reduces operative employee's labour intensity.
4) allow the step of trip: be used to open second alley stopping device, make trip smoothly through second alley stopping device through second alley stopping device.
The main purpose of present embodiment just is to use two alley stopping devices that are provided with respectively, drops to minimumly with slipping the danger of car, avoids personal casualty and property damage.
Embodiment two:
Present embodiment is to use the interlocking stop buffer of embodiment one said method, and is as shown in Figure 1.Present embodiment comprises: be arranged on first alley stopping device on top, descending tunnel, the position in the descending tunnel of two trip distances of distance first alley stopping device is provided with second alley stopping device; Described first alley stopping device is connected through the linkage that produces the interlocking action that second alley stopping device was closed, second alley stopping device was opened when first alley stopping device was closed when first alley stopping device was opened with second alley stopping device.
The described stop buffer of present embodiment is made up of former and later two alley stopping devices on the track, and front and back are provided with two alley stopping devices on the track in a tunnel in other words, guarantee safety.Because mine service conditions down is abominable, difficulty is a lot, can do under normal conditions elaboration very, but can not do in the down-hole very perfection.For example the connecting portion between the mine car is often polluted by improper article such as cinders, connection that can't be correct, appropriate; The steel rope of traction mine car is the ten minutes easy abrasion also; These all cause the problem of slide car, and the careless slightly car that will slip causes unnecessary personal casualty and property damage.Alley stopping device is increased to two by one, is not simple and relax increase, is through repeatedly experiment and checking in production practice.
Described first alley stopping device of present embodiment and second alley stopping device are through the action of linkage interlocking, and second alley stopping device is closed when first alley stopping device is opened, and second alley stopping device was opened when first alley stopping device was closed.The setting of second alley stopping device is controlled effectively the motion of trip in inclined gallery.Two alley stopping devices linkage make an operative employee promptly can operate two alley stopping devices, saved manpower.
Embodiment three:
Present embodiment is the improvement of embodiment two, is the refinement of embodiment two about alley stopping device, and is as shown in Figure 2.The structure of described first alley stopping device of present embodiment and second alley stopping device comprises: two anchor poles 203 that are fixed on top, tunnel 6; Fixed a fixed link 202 by said anchor pole between said two anchor poles; Being installed with one on the described fixed link can free rotating sleeve 201; An end of the automobile-used hanging beam 204 of fixed stop on the said sleeve; The other end of said hanging beam is the free end that can lift or put down, and is 25 °~35 ° angles (α representes angle among Fig. 1) near to or in contact with roadway floor and with roadway floor 7 when the free end of said hanging beam puts down.
The described alley stopping device of present embodiment and previous embodiment no matter be that first alley stopping device or its structure of second alley stopping device all are the same, only is the position difference of installing.The structure of the described alley stopping device of present embodiment is utilized in anchor pole the most frequently used in the mine as anchor fitting, fixing fixed link as the hinge rotating shaft.Sleeve is captiveed joint with hanging beam as the revolving meber of hinge, can be welding, also can be to be threaded.Modal mining i beam is as hanging beam in mine in use, and hanging beam is the principal facility of keeping off a car.When the free end of hanging beam puts down, be equivalent to hold up thick stick one in the place ahead of mine car motion, block the outlet of mine car, mine car is stopped.Structure is very simple, and has utilized the material of using always in the mine.
The reason that described hanging beam of present embodiment and roadway floor are 25 °~35 ° of angles is: angle too small then hanging beam is long, and the excessive then hanging beam of angle shock resistance is relatively poor, through test of many times and checking: the hanging beam angle in the present embodiment with 30 ° for well.
Embodiment four:
Present embodiment is the improvement of embodiment three, is the improvement of embodiment about linkage, and is as shown in Figure 3.The described linkage of present embodiment comprises: the free-ended steel rope 303 of hanging beam that is connected first alley stopping device; The first hanging beam pulley 301 of the approaching back of free end when the hanging beam that said steel wire penetrating is fixed on first alley stopping device lifts; And a plurality of leading sheaves 302 that are fixed on the back that leads to second alley stopping device; The second hanging beam pulley 304 near when said steel rope finally passes the hanging beam that is fixed on second alley stopping device and lifts the free end the back is connected on the free end of hanging beam of second alley stopping device.
Present embodiment utilizes steel rope and pulley that two alley stopping devices are lifted and put down interlock.Because one is lifted, another just puts down, so the ingenious gravity that utilizes of present embodiment, and two actions are combined, and puts down one side be similar to the another side that lifts of lever., a hanging beam utilizes gravity when putting down; Lift through steel rope and another hanging beam of pulley pulling; The quality of two hanging beams is basic identical, so the hanging beam that puts down just in time lifts another hanging beam, make like this two alley stopping devices hanging beam lift and put down all very light and handy.
What should explain at last is; Below only unrestricted in order to technical scheme of the present invention to be described; Although the present invention is specified with reference to the preferred arrangement scheme; Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention (such as the profile of alley stopping device, size, arrangement etc.), and do not break away from the spirit and the scope of technical scheme of the present invention.

Claims (2)

1. the interlocking stop buffer of a mine inclined anti-running comprises first alley stopping device that is arranged on top, descending tunnel, it is characterized in that, the position in the descending tunnel of two trip distances of distance first alley stopping device is provided with second alley stopping device; Described first alley stopping device is connected through the linkage that produces the interlocking action that second alley stopping device is closed, second alley stopping device was opened when first alley stopping device was closed when first alley stopping device is opened with second alley stopping device; The structure of described first alley stopping device and second alley stopping device comprises: two anchor poles that are fixed on the top, tunnel; Fixed a fixed link by said anchor pole between said two anchor poles; Being installed with one on the described fixed link can free rotating sleeve; An end of the automobile-used hanging beam of fixed stop on the said sleeve; The other end of said hanging beam is the free end that can lift or put down; Described linkage comprises: be connected the free-ended steel rope of hanging beam of first alley stopping device, the first hanging beam pulley of the approaching back of free end when the hanging beam that said steel wire penetrating is fixed on first alley stopping device lifts, and a plurality of leading sheaves that are fixed on the back that leads to second alley stopping device; The second hanging beam pulley near when said steel rope finally passes the hanging beam that is fixed on second alley stopping device and lifts the free end the back is connected on the free end of hanging beam of second alley stopping device.
2. interlocking stop buffer according to claim 1 is characterized in that, is 25 °~35 ° angles near to or in contact with roadway floor and with roadway floor when the free end of said hanging beam puts down.
CN2010101961667A 2010-06-10 2010-06-10 Mine inclined laneway car-sliding-prevention method and interlocking car stopper Active CN101844570B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010101961667A CN101844570B (en) 2010-06-10 2010-06-10 Mine inclined laneway car-sliding-prevention method and interlocking car stopper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010101961667A CN101844570B (en) 2010-06-10 2010-06-10 Mine inclined laneway car-sliding-prevention method and interlocking car stopper

Publications (2)

Publication Number Publication Date
CN101844570A CN101844570A (en) 2010-09-29
CN101844570B true CN101844570B (en) 2012-07-04

Family

ID=42769430

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010101961667A Active CN101844570B (en) 2010-06-10 2010-06-10 Mine inclined laneway car-sliding-prevention method and interlocking car stopper

Country Status (1)

Country Link
CN (1) CN101844570B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103273944B (en) * 2013-06-06 2016-10-26 枣庄矿业集团中兴建安工程有限公司 Shang Bian slope, inclined gallery prevent-moving car safety interlock system
CN110053960B (en) * 2019-05-05 2021-07-20 马千里 Wheel blocking device of automobile downhill carrying machine

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805923A (en) * 1973-04-16 1974-04-23 T Baker Safety apparatus for an inclined hoist system
CN2277455Y (en) * 1996-06-28 1998-04-01 山东省枣庄矿务局朱子埠煤矿 Mine car catching device for use in inclined shaft
CN2860963Y (en) * 2005-09-12 2007-01-24 罗戎 Mine inclined gallery semi-automatic vehicle stop
CN2920771Y (en) * 2006-05-16 2007-07-11 永城煤电(集团)有限责任公司 Triplex locking railway stop safety device
CN201206472Y (en) * 2008-06-06 2009-03-11 兖州煤业股份有限公司 Downhill excavation protection hanging beam
CN101397018A (en) * 2008-10-24 2009-04-01 无锡市锡湖液压气动机械有限公司 Normally closed type inclined alley stopping device
CN201218107Y (en) * 2008-07-11 2009-04-08 开滦(集团)有限责任公司信息与控制中心 Automatic monitoring apparatus for incline shaft transportation security
CN201703391U (en) * 2010-06-10 2011-01-12 北京天地华泰采矿工程技术有限公司 Interlocking car stopper for preventing car rolling in mine inclined drift

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805923A (en) * 1973-04-16 1974-04-23 T Baker Safety apparatus for an inclined hoist system
CN2277455Y (en) * 1996-06-28 1998-04-01 山东省枣庄矿务局朱子埠煤矿 Mine car catching device for use in inclined shaft
CN2860963Y (en) * 2005-09-12 2007-01-24 罗戎 Mine inclined gallery semi-automatic vehicle stop
CN2920771Y (en) * 2006-05-16 2007-07-11 永城煤电(集团)有限责任公司 Triplex locking railway stop safety device
CN201206472Y (en) * 2008-06-06 2009-03-11 兖州煤业股份有限公司 Downhill excavation protection hanging beam
CN201218107Y (en) * 2008-07-11 2009-04-08 开滦(集团)有限责任公司信息与控制中心 Automatic monitoring apparatus for incline shaft transportation security
CN101397018A (en) * 2008-10-24 2009-04-01 无锡市锡湖液压气动机械有限公司 Normally closed type inclined alley stopping device
CN201703391U (en) * 2010-06-10 2011-01-12 北京天地华泰采矿工程技术有限公司 Interlocking car stopper for preventing car rolling in mine inclined drift

Also Published As

Publication number Publication date
CN101844570A (en) 2010-09-29

Similar Documents

Publication Publication Date Title
CN203439057U (en) Hook rope intercept type car moving protective device
CN103527243B (en) The inclined shaft hoisting transportation system of subway work and method to set up
CN204400394U (en) A kind of steep slope region slideway transport systems
CN101857042B (en) Anti-running method for gradient tunnel track transportation
CN101844570B (en) Mine inclined laneway car-sliding-prevention method and interlocking car stopper
CN203567750U (en) Inclined roadway protection door capable of preventing transport vehicle from sliding
CN204506913U (en) A kind of mine car brake device of inclined drift tramcar escape-preventing
CN201703391U (en) Interlocking car stopper for preventing car rolling in mine inclined drift
CN203246992U (en) Inclined-mine forking uncoupling field
CN204386643U (en) A kind of safety guard of inclined shaft engineering construction
CN204506903U (en) Rail transport quick despatch car device
CN103264709B (en) Underground mine automatic tramcar stopper for inclined shaft and inclined shaft automatic car stopping system
CN106541962A (en) A kind of mine inclined automatic resetting buffer stop
CN2645991Y (en) Escape proof automatic car stop device of automobile
CN103231976A (en) Inclined shaft bifurcation detaching station
CN103465926B (en) A kind of card rail self-locking type catcher for mine car
CN207434821U (en) A kind of Liftable type is uncoupled support roller combination unit
CN201457375U (en) Breakage-preventing rope protection device of ropeway used for underground mine
CN104405435A (en) Safety protection device for inclined shaft engineering construction
CN205344881U (en) Aerial passenger device wire rope protection device that restricts absolutely
CN219859076U (en) Anti-running limit device
CN201002929Y (en) Small-sized road maintenance machinery hoisting transporting vehicle
CN210454830U (en) Inclined roadway soft type car stopping system
CN203819269U (en) Inclined shaft tramcar mechanical automatic vehicle retaining fence
CN220298489U (en) Slope machine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 100013 Beijing city Chaoyang District Hepingli 13 No. 35 coal Street building room 1607

Patentee after: BEIJING TIANDI HUATAI MINING MANAGEMENT CO., LTD.

Address before: 100013 Beijing city Chaoyang District Hepingli 13 No. 35 coal Street building room 1607

Patentee before: Beijing Tiandi Huatai Mining Engineering & Technology Co., Ltd.