CN110422726A - A kind of long abrupt slope and winding curved road safety transportation facility - Google Patents
A kind of long abrupt slope and winding curved road safety transportation facility Download PDFInfo
- Publication number
- CN110422726A CN110422726A CN201910770870.XA CN201910770870A CN110422726A CN 110422726 A CN110422726 A CN 110422726A CN 201910770870 A CN201910770870 A CN 201910770870A CN 110422726 A CN110422726 A CN 110422726A
- Authority
- CN
- China
- Prior art keywords
- railcar
- curved road
- road safety
- transportation facility
- abrupt slope
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B13/00—Other railway systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/08—Arrangements of ropes or cables for connection to the cars or cages, e.g. couplings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
- B66B9/16—Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure
Abstract
The present invention discloses a kind of long abrupt slope and winding curved road safety transportation facility, including the lifting device of overpass and construction on overpass bridge floor from top of the slope to bottom of slope.This long abrupt slope disclosed by the invention and winding curved road safety transportation facility avoid the long abrupt slope of highway and safety accident occurs for winding bend.
Description
Technical field
The invention belongs to precipitous highway and curved mountain highway transportation technical fields, and in particular to a kind of long abrupt slope and winding bend
Transport facility safely.
Background technique
Highway transportation has become trend to the development of high speed, vehicle heavy-duty.But long steep slope road section and winding bend weight
Big safety accident frequently occurs, and people has been caused to pay much attention to.Although highway and relevant departments use some arrange from different level
Apply, for example reinforce guardrail etc., but be also helpless for the radical cure of these " high-risk " section accidents.
A kind of vehicle slip-down elevator being arranged on massif sky way is disclosed in patent document, it is a kind of to be arranged in massif disk
Vehicle slip-down elevator on the highway of mountain, including first gear, second gear and the chain ring inside the massif, first gear and the
Two gears are sequentially connected by chain ring, and first gear is sequentially connected with generator, and chain ring is equipped with block；It is arranged winding in massif
For vehicle slip-down elevator and massif surface on highway on same inclined-plane, the quantity of block is several.
This vehicle transport mode disclosed in the document, although can solve substantially because long abrupt slope and winding bend are led
The problem of cause accident, but it mainly uses downslide Elevator structure, and multiple gear connection transmission mechanisms are arranged in massif, it will
Vehicle is transported from lower to eminence, or is transported from eminence to lower.Its basic principle is similar to the means of transportation of conveyor type.
But actual conditions are, transporter is arranged on massif, and difficulty of construction is very big.This kind of structure for conveying itself carrys out gear drive
It says, loss is also very big, and maintenance is got up especially difficult.
Summary of the invention
In order to solve the above-mentioned problems of the prior art, the present invention provides a kind of long abrupt slope and the transport of winding curved road safety
Facility is realized the transport of vehicle and people's goods by the way of connection lifting device of building bridge, makes to be more easier across high mountain abrupt slope, tie up
Shield is easy.
The technical scheme adopted by the invention is as follows: a kind of long abrupt slope and winding curved road safety transportation facility, including from top of the slope
To the lifting device on overpass bridge floor of overpass and construction of bottom of slope.Existing hillside and winding bend are not provided with overhead
Bridge, also without lifting device.Winding bend is built on hillside, and bending radius is smaller, and sighting distance is shorter, and road visualization range is small, very
Sighting distance code requirement is also not achieved to due to landform limitation, increases accident rate, Yi Fasheng major accident.Lifting device is used
In haulage vehicle, people and cargo etc., because of the setting of lifting device, vehicle is all disposed on lifting device, makes traffic can not
It collides again, fundamentally solves traffic because sighting distance and speed lead to the defect for bumping against or going out cliff, avoid thing
Therefore generation.
Firstly, overpass has continuous bridge floor.
Further, lifting device includes the track being laid on bridge floor, railcar and control railcar uplink and downlink
Force application apparatus.In orbit, railcar plays delivery function for railcar setting, and force application apparatus connection control railcar ensures rail
Road vehicle orbits.
Further, operating platform is equipped at the bridge floor end, force application apparatus is erected on operating platform.Operating platform can
The top of track is set, as according to the actual situation, is arranged at mountain top or has at the hill-side of demand.
Further, track is divided into the first track and the second track, and railcar is divided into the first railcar and the second railcar,
First railcar is erected on the first track, and the second railcar is erected on the second track, the first railcar and the second railcar
Force application apparatus is connected to by wirerope.Raising and lowering can be achieved in each railcar, and the two connects same root wirerope and uses
To realize the reciprocating motion of railcar.
Further, the first railcar is connected with the second railcar using same root wirerope.First railcar and second
Railcar is operated together, and is exerted a force pulling motion by traction machine.
Further, force application apparatus includes two deflector rolls, and wirerope bypasses deflector roll.Deflector roll can help to realize the first railcar
With the operation of the second railcar.
Further, the friction and control wirerope to prevent wirerope and bridge floor swing, and wirerope is arranged in bridge floor
Support roller.
And along the bridge of hillside construction and the lifting device set up on bridge floor, bridge floor is almost straight, the point of bridge pier construction
It is arranged in a linear, lifting device can guarantee normal transport.
The two sides of bridge floor should be arranged people's row maintaining roadway, unilateral 60cm wide, the first railcar of dealing and the second track workshop
Following distance may be configured as 50-80cm.
In addition, overpass is the bridge floor of segmented, including multiple horizontal overpass, lifting device setting is horizontal adjacent two
Between overpass, lifting device is done vertically to movement.
Further, the first railcar bottom is equipped with ladder-shaped frame, connects carrying platform on ladder-shaped frame, on carrying platform
Equipped with compartment, compartment includes front door and back door, and front door and back door are set as fold-down door.After arriving at a station, back door is turned down, car door hook
It is fastened with ground, automobile is enable to pass in and out compartment safely.
Further, lifting device includes elevator, and elevator is arranged in bridge pier side, to guarantee that the safety of elevator is built
If.
Further, uplink carriage and down running cars are equipped in elevator, uplink carriage and down running cars use a steel
Rope connection, elevator top are equipped with the deflecting roller of traction machine and traction machine two sides, the deflecting rollers of steel cable solderless wrapped connection two sides and middle part
Traction machine.
Elevator includes carriage, and carriage can accommodate more vehicles, guarantees raising efficiency.
This long abrupt slope of the present invention and winding curved road safety transportation facility, it is therefore an objective to from the source that the accident of exclusion occurs
Head sets out, and automobile is transported to slope foot from top of the slope with track vehicle or transports to top of the slope from slope foot, avoids the long abrupt slope of highway and disk
Safety accident occurs for mountain bend.The mode that this abrupt slope is built bridge, can become substantially forthright for original bending highway, shorten fortune
Defeated mileage, accelerates travelling speed.It can also energy saving and reduction motor vehicle exhaust emission pollution.May be used also in planning and designing from now on
Improve highway alignment and reduces Tunnel Engineering amount.
Detailed description of the invention
Fig. 1 is the plan view on the long abrupt slope of the embodiment of the present invention 1 and winding curved road safety transportation facility；
Fig. 2 is the elevation on the long abrupt slope of the embodiment of the present invention 1 and winding curved road safety transportation facility；
Fig. 3 is the elevation on the long abrupt slope of the embodiment of the present invention 2 and winding curved road safety transportation facility；
Fig. 4 is the elevator positive structure schematic on the long abrupt slope of the embodiment of the present invention 2 and winding curved road safety transportation facility；
Fig. 5 is the elevator side structure schematic diagram on the long abrupt slope of the embodiment of the present invention 2 and winding curved road safety transportation facility；
In figure: 1- traction machine I；2- deflector roll: 3- deflecting roller I；4- support roller；5- uplink vehicle；The first railcar of 6-；7- rolling
Wheel；8- bridge floor I；9- downlink vehicle；The second railcar of 10-；11- bridge pier I；12- track；13- bridge floor II；14- bridge pier I；15- electricity
Stair shaft；16- bridge pier II；17- deflecting roller II；18- traction machine II；19- deflecting roller III；20- exterior wall；21- carriage I；22- carriage
II；23- bridge floor II.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with the drawings and specific embodiments, but
Be it will be understood to those of skill in the art that it is following described embodiments are some of the embodiments of the present invention, rather than it is whole
Embodiment is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.Based on the embodiments of the present invention, ability
Domain those of ordinary skill every other embodiment obtained without making creative work, belongs to guarantor of the present invention
The range of shield.The person that is not specified actual conditions in embodiment, carries out according to conventional conditions or manufacturer's recommended conditions.Agents useful for same
Or production firm person is not specified in instrument, is the conventional products that can be obtained by commercially available purchase.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment 1
As shown in Figure 1, being the structure chart of embodiment 1.Overpass is built on massif, the bridge pier of overpass can be according to existing
Hillside and winding bend design feature and build.Winding bend is built on general hillside, and bending radius is small, people's sighting distance
Short, vehicle is slightly easy to fly out from bend side fastly, and major accident occurs.As shown in Fig. 1 Fig. 2, after overpass construction, it can build
It is set as linear overpass.The overpass shortens mountain bottom to the distance on mountain top, but for the vehicle of Shang Qiao and lower bridge, still
There are certain risk.Therefore, the lifting device of delivery effect has been set on bridge floor I8.Lifting device can be used for carrier loader
, people and cargo etc..The facility makes traffic not collide again, fundamentally solves traffic because of too fast traveling
The problem of bumping against or going out cliff is caused with sighting distance short-range missile, avoids the generation of accident.
Lifting device includes the track being laid on bridge floor I8, railcar and the force dress for controlling railcar uplink and downlink
It sets.Railcar connects force application apparatus along rail running, railcar.
As depicted in figs. 1 and 2, track is built on bridge floor I8, track is divided into the first track and the second track, railcar point
For the first railcar 6 and the second railcar 10, for carrying uplink vehicle at the top of the first railcar 6, railcar bottom is equipped with rolling
Wheel 7, the second railcar are used for bearing downlink vehicle 9, and the first railcar 6 is erected on the first track, and the second railcar is erected at
On second track, the first railcar 6 and the second railcar 10 are connected to force application apparatus by wirerope.First railcar 6 and
Two railcars 10 are connected using same root wirerope.First railcar and the second railcar are operated together, and pass through traction machine
Exert a force pulling motion.Force application apparatus includes two deflector rolls 2, and wirerope bypasses deflector roll 2.Deflector roll 2 can help to realize the first railcar
With the operation of the second railcar.Support roller 4 is arranged in wirerope bottom, is used to support wirerope, prevents wirerope and ground face contact.
On the one hand the setting of support roller does not influence the movement of wirerope, on the other hand reducing friction resistance can prevent wirerope because of gravity
And sink.
Operating platform is equipped at the bridge floor I8 end, force application apparatus includes traction machine 1, deflector roll 2, support roller 4, deflecting roller I3
Deng being erected on operating platform, there are two deflecting roller I is set, it is connected to deflector roll side.Being provided with for deflecting roller I3 is conducive to
The turning operation of wirerope.Operating platform may be provided at the top of track, according to the actual situation, be arranged at mountain top or have demand
Hill-side at.
And the bridge along hillside construction and the lifting device that is set up on bridge floor I8, bridge floor be almost it is straight, bridge pier construction
Point is arranged in a straight line in class, and lifting device can guarantee.
The present invention can accommodate the parallel railcar track in two or so lanes from top of the slope erection, and track and slope foot angle are by slope
Depending on top and slope foot height difference and point-to-point transmission horizontal distance.To make track producing balanced forces, from adjacent two road surface of top of the slope direction of fall it
Between set up bridge pier I11, bridge pier I11 end face length should include two vehicle track running safe distances.Railcar compartment is by disengaging direction
Front and back sets two fans and overturns door；When vehicle drives into compartment, front door two sides are fallen down to be located in front door, and hook clasps ground buckle, prevents rail
Road vehicle glides.Front/rear door closes locking when operation.Otherwise it reaches home, back door is turned down to be driven out to ground surface fastener, vehicle safety.Rail
Road vehicle lower part is ladder-shaped frame structure, and top and platform compartment bottom are affixed, and lower part passes through idler wheel and rail contact.Traction machine computer room is set
In top of the slope, traction machine is permanent magnetic synchronous traction machine.Traction machine wirerope both ends are connected with two railcars of left and right respectively by deflecting roller
It connects, and forms counterbalancing mode each other.Traction machine positive and negative rotation traction railcar is run up and down.Track sets the safe gallery of arch,
To ensure that railcar operates normally.
In the embodiment, distinguished by road to two prograde orbits of erection at slope foot B by deflecting roller at the A of top of the slope road surface
It connect to form balance counterweight with left and right lane railcar.The railcar that left and right loads automobile is transported to slope by traction machine positive and negative rotation
Foot or top of the slope.The safe gallery of arch is set along ramp, ensures railcar safe operation.Railcar is transformed by mine people's vehicle, vehicle
It is fold-down door before and after compartment, automobile enters the closing of two, compartment, and fold-down door of reaching home, which falls down, makes automotive safety with road overlap joint
It enters and leaves.Two sides are set up defences column.Railcar lower part is ladder-shaped frame structure, and top surface is connect with rail carriages bottom makes railcar maintenance level
State.Railcar transformation can be undertaken by carrying machine in mine factory or lifting equipment factory.Track and bridge pier structure is uncomplicated is easy to apply
Work construction brigade can be completed by road.Construction period is not grown, less to surrounding environment influence.
Embodiment 2
As shown in Figure 3-Figure 5, the present embodiment the difference from embodiment 1 is that, the overhead bridge shape that is set up is different.Such as figure
It is described, it is certain including having from the hilltop to the multiple separate horizontal overpass at the foot of the hill, between the horizontal overpass of each adjacent two
Difference in height, build lifting device between adjacent two horizontal overpass.
Bridge pier III16, and the type of construction elevators well at the bottom to pier coping portion bridge pier III16 are built first.Horizontal overpass
Bottom is bridge pier II14.
Lifting device includes elevator 15, and elevator is arranged in bridge pier III16 side, to guarantee that the safety of elevator 15 is built
If.
The carriage of carriage and downlink in elevator equipped with uplink, the carriage of uplink and the carriage of downlink use a steel cable
Connection, elevator top are equipped with the deflecting roller of traction machine and traction machine two sides, which is respectively deflecting roller II17 and steering
Take turns III19, deflecting roller II, deflecting roller III19 and the traction machine II18 at middle part of steel cable solderless wrapped connection two sides.
Ask that slope foot direction extends an overhead section and connect with set on slope foot elevator upper layer from highway top of the slope, by elevator by vapour
Vehicle is hoisted to slope foot or top of the slope.For transporting busy section, multiple elevator can be set in same plane.For big drop section, use
The segmentation of step elevator overcomes high drop.
Furthermore best counterweight each other between railcar and railcar and between carriage and carriage.
In the present embodiment, from top of the slope, same elevation overpass and the electricity at slope foot at extend outwardly one and top of the slope
Terraced upper layer connection, automobile drives into after slope foot carriage from overhead section, and by vertical transport mode, automobile avoids dangerous curved
Arrive safe and sound slope foot in road.By highway two-way lane standard, two lane escalators are set side by side, if figure carriage is due to uplink and downlink
Movement is equipped with carriage I21 and carriage II22, two carriages counterweight each other.It, can be as expressway tol lcollection to meet busy transport needs
It stands the same, is run simultaneously in the settable multiple elevator of same plane.For high drop section, viaduct and escalator civil engineering
Task, highway engineering team can complete.Retrofit of Elevator can all be served as by lifting equipment factory and Elevator Factory.Above two scheme is fundamentally
Solve long abrupt slope and dangerous bend accident.Under the preceding topic for guaranteeing safety, shortens mileage and the time plays energy conservation and subtracts
Row, improves the effect of conevying efficiency.In addition, the auxiliary facilities such as wind-powered electricity generation green energy resource and leisure can also drop by exploitation photovoltaic
It is more beneficial to improve economy for low cost.The characteristics of highway transportation is that freight volume is small, and frequency is high.By these facilities, manually operation is nothing
What method was competent at, realize that AI intelligent management can reach the purpose of safe and efficient transport.
The present invention is not limited to above-mentioned optional embodiment, anyone can show that other are various under the inspiration of the present invention
The product of form, however, make any variation in its shape or structure, it is all to fall into the claims in the present invention confining spectrum
Technical solution, be within the scope of the present invention.
Claims (10)
1. a kind of long abrupt slope and winding curved road safety transportation facility, it is characterised in that: including from top of the slope to bottom of slope overpass and
Build the lifting device on overpass bridge floor.
2. long abrupt slope according to claim 1 and winding curved road safety transportation facility, it is characterised in that: the bridge floor is to connect
Continuous shape bridge floor, lifting device include the track being laid on bridge floor, railcar and the force dress for controlling railcar uplink and downlink
It sets.
3. long abrupt slope according to claim 2 and winding curved road safety transportation facility, it is characterised in that: the bridge floor end
Place is equipped with operating platform, and force application apparatus is erected on operating platform.
4. long abrupt slope according to claim 2 or 3 and winding curved road safety transportation facility, it is characterised in that: the track
It is divided into the first track and the second track, railcar is divided into the first railcar and the second railcar, and the first railcar is erected at first
On track, the second railcar is erected on the second track, and the first railcar and the second railcar are connected to force by wirerope
Device.
5. long abrupt slope according to claim 4 and winding curved road safety transportation facility, it is characterised in that: the first railcar and
Second railcar is connected using same root wirerope.
6. long abrupt slope according to claim 5 and winding curved road safety transportation facility, it is characterised in that: the force application apparatus
Including two deflector rolls, wirerope bypasses deflector roll.
7. long abrupt slope according to claim 5 and winding curved road safety transportation facility, it is characterised in that: the wirerope bottom
Support roller is arranged in portion.
8. long abrupt slope according to claim 4 and winding curved road safety transportation facility, it is characterised in that: the first railcar bottom
Portion is equipped with ladder-shaped frame, connects carrying platform on ladder-shaped frame, and carrying platform is equipped with compartment, and compartment includes front door and back door,
Front door and back door are set as fold-down door.
9. long abrupt slope according to claim 1 and winding curved road safety transportation facility, it is characterised in that: the overpass packet
Multiple horizontal overpass are included, lifting device is arranged between adjacent two horizontal overpass, and lifting device is done vertically to movement.
10. long abrupt slope according to claim 9 and winding curved road safety transportation facility, it is characterised in that: the lifting dress
It sets including elevator, elevator setting is equipped with uplink carriage and down running cars in bridge pier side, elevator, and uplink carriage is under
Row carriage is equipped with the deflecting roller of traction machine and traction machine two sides, the steel cable solderless wrapped connection using a steel cable connection, elevator top
The deflecting roller of two sides and the traction machine at middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910770870.XA CN110422726A (en) | 2019-08-20 | 2019-08-20 | A kind of long abrupt slope and winding curved road safety transportation facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910770870.XA CN110422726A (en) | 2019-08-20 | 2019-08-20 | A kind of long abrupt slope and winding curved road safety transportation facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110422726A true CN110422726A (en) | 2019-11-08 |
Family
ID=68415338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910770870.XA Pending CN110422726A (en) | 2019-08-20 | 2019-08-20 | A kind of long abrupt slope and winding curved road safety transportation facility |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1437337A1 (en) * | 1987-05-28 | 1988-11-15 | Всесоюзный Научно-Исследовательский,Проектный И Конструкторский Институт Горного Дела Цветной Металлургии | Arrangement for lowering//lifting dump cars into/from open mines |
| CN1269324A (en) * | 1999-01-22 | 2000-10-11 | 斯玛特兰斯普兰有限公司 | Lifting apparatus for open-air mine |
| CN2823218Y (en) * | 2005-06-24 | 2006-10-04 | 周友仁 | Self-tracting hanging cage with two anti-falling rollers |
| CN101020554A (en) * | 2006-02-14 | 2007-08-22 | 鞍钢集团弓长岭矿业公司 | Self-moving mine truck elevator for surface mine |
| CN203976173U (en) * | 2014-07-17 | 2014-12-03 | 苏州莱茵电梯制造有限公司 | The two car oblique elevators of counterweightless |
| CN107675570A (en) * | 2017-09-17 | 2018-02-09 | 李玉强 | High mountain abrupt slope on-highway motor vehicle automatic quick height elevator |
-
2019
- 2019-08-20 CN CN201910770870.XA patent/CN110422726A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1437337A1 (en) * | 1987-05-28 | 1988-11-15 | Всесоюзный Научно-Исследовательский,Проектный И Конструкторский Институт Горного Дела Цветной Металлургии | Arrangement for lowering//lifting dump cars into/from open mines |
| CN1269324A (en) * | 1999-01-22 | 2000-10-11 | 斯玛特兰斯普兰有限公司 | Lifting apparatus for open-air mine |
| CN2823218Y (en) * | 2005-06-24 | 2006-10-04 | 周友仁 | Self-tracting hanging cage with two anti-falling rollers |
| CN101020554A (en) * | 2006-02-14 | 2007-08-22 | 鞍钢集团弓长岭矿业公司 | Self-moving mine truck elevator for surface mine |
| CN203976173U (en) * | 2014-07-17 | 2014-12-03 | 苏州莱茵电梯制造有限公司 | The two car oblique elevators of counterweightless |
| CN107675570A (en) * | 2017-09-17 | 2018-02-09 | 李玉强 | High mountain abrupt slope on-highway motor vehicle automatic quick height elevator |
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Application publication date: 20191108 |