CN105217413B - Become the oblique operation container self-level(l)ing device of the gradient and method - Google Patents
Become the oblique operation container self-level(l)ing device of the gradient and method Download PDFInfo
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- CN105217413B CN105217413B CN201510707541.2A CN201510707541A CN105217413B CN 105217413 B CN105217413 B CN 105217413B CN 201510707541 A CN201510707541 A CN 201510707541A CN 105217413 B CN105217413 B CN 105217413B
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Abstract
One kind becomes the oblique operation container self-level(l)ing device of the gradient and method, it is adaptable to is influenceed to make slope change by building profile or tunnel operating mode or becomes the oblique operation container carriage body or people's car of track operation.Device includes carriage body, movable floor, automatic leveling component and coaster or Backpack type carrier, the angle for lifting platform on coaster or Backpack type carrier by changing adapts to the automatic leveling of the oblique operation container of the change gradient under various operating modes, when oblique operation container runs on the guide rail section for becoming the gradient, Position and attitude sensor monitors the angled change of carriage body, transmit a signal to self-leveling control system, servomotor motion is controlled after control system analysis signal, the angle change of automatic leveling component motion compensation carriage body, carriage body is set to be in horizontal attitude all the time, realize that oblique operation container is becoming the operation on gradient track.Its is simple in construction, safe and reliable, occupies little space, and leveling performance is good, and real-time minimum regulation can be achieved, applied widely.
Description
Technical field
It is more particularly to a kind of to become the oblique operation container self-level(l)ing device of the gradient and side the present invention relates to the field of elevator
Method, is particularly suitable for use in and is held by the oblique operation that mine working operating mode is influenceed or building profile runs slope change or change track
Device.
Background technology
Modern high-rise building is continued to bring out, and elevator is increasingly embodied as a kind of conveniently vertical transport instrument
Its importance and superiority.With the fast development of elevator technology, the appearance applied to varying environment and the special elevator in place
It is convenient for people's lives.In order to mine working, sight-seeing resort, the building positioned at hillside and mountain top, because city area it is nervous
And regional, the complicated underworkings that house is built on hillside is provided conveniently and for maintenance personal and less than payload ratings goods
The means of transportation transported above and below thing, it is proposed that to the demand of oblique operation container.Existing oblique operation container is to determine slope mostly
Degree, the oblique operation container run all the time along rectilinear orbit.But, for being influenceed to make by special building profile or tunnel operating mode
Oblique operation container track is difficult to the arrangement of grade elevator running track.
When oblique operation container is operated on change gradient track, to ensure that passenger takes the comfortableness of container, need to ensure
Carriage body can keep real-time level.Existing carriage body levelling gear typically uses hydraulic cylinder leveling, there is following deficiency：1. need hydraulic pressure
Power source（Hydraulic power unit）, space-consuming is big, heavy；2. hydraulic system has hysteresis quality, real-time leveling effect is not good；3. hydraulic pressure
The continuous minor adjustment of cylinder（Arc section is run）Transform effect is poor, and low discharge change control is difficult to be realized；4. system is to hydraulic cylinder pressurize
It is required that it is high, stop for a long time easily and leakage carriage body unstability occur.
The content of the invention
Technical problem：The purpose of the present invention be for problems of the prior art there is provided one kind it is simple and compact for structure,
It is safe and reliable, occupy little space, the oblique operation container self-level(l)ing device of the change gradient that levelling effect is good and method.
Technical scheme：The oblique operation container self-level(l)ing device of the change gradient of the present invention, including it is located at the work of carriage body bottom
The Position and attitude sensor being connected above dynamic bottom plate, described movable floor provided with automatic leveling controlling system, the bottom surface of movable floor
Lower position switch provided with limitation automatic leveling extreme lower position；The lower section of movable floor is provided with coaster or Backpack type carrier, institute
State side chain between movable floor and coaster or Backpack type carrier and be connected to two hinged pillars, opposite side is connected with automatic leveling
Component；
Described automatic leveling component includes being arranged side by side the active support frame and driven support frame connected by shaft coupling,
Described active support frame includes rhombus flexible support component one, leading screw one, profile nut one, deceleration block and upper limit and opened
Close；Driven support frame includes support component two, leading screw two, fixed block assembly and the profile nut two that rhombus stretches；Described branch
Support component one and support component two include upper connecting base, and upper connecting base both sides are hinged with two upper support arms in left and right, left and right two
The lower end of individual upper support arm is respectively articulated with two lower support arms in left and right, and the lower end of two lower support arms in left and right is hinged on lower connecting base
On, it is provided with profile nut one, support component between the described upper support arm in the left side of support component one and the lower support arm in left side
Profile nut two is provided between the upper support arm in two left sides and the lower support arm in left side；Described support component one and support component
The upper support arm on the right side of leading screw one and leading screw two, described active support frame and the lower branch on right side are connected by shaft coupling between two
Leading screw one between brace is provided with deceleration block, and the leading screw one of the connection support component two of support component one side is provided with servo
Motor, is provided with reduction box between servomotor and leading screw one, the lower support arm of the support component one is provided with upper limit position switch,
Fixed block assembly is provided between the upper support arm on the right side of support component two and the lower support arm on right side.
Described fixed block assembly includes being arranged in the fixed block of the right-hand member of leading screw two, is located between leading screw two and fixed block
Thrust bearing and radial bearing, radial bearing right-hand member are provided with bearing (ball) cover.
Described coaster includes lifting platform and is located at the guide wheel for lifting mesa base.
Described Backpack type carrier includes lifting that platform and being located at lifts mesa base leads boots.
A kind of oblique operation self-leveling method of container of the change gradient of use said apparatus,
During oblique operation container operation：Monitor the appearance of carriage body in real time by the Position and attitude sensor being located above movable floor
State, when the carriage body of oblique operation container is run to the guide rail section for becoming the gradient, carriage body run-off the straight, Position and attitude sensor monitors railway carriage or compartment
During the angled change of body, angular rate signal is transmitted to automatic leveling controlling system at once, believed through automatic leveling controlling system
Number analyzing and processing after, control servomotor motion, servomotor by reduction box drive leading screw one rotate, leading screw one passes through shaft coupling
Device drives leading screw two to rotate, and leading screw one and leading screw two drive the flexible support component one of rhombus and support component to fold and stretch about two
Long or contraction, drives movable floor to be rotated around hinged pillar, compensates the angle change of carriage body, carriage body is in horizontal appearance all the time
State.
Beneficial effect：By adopting the above-described technical solution, the present invention has advantages below compared with prior art：
（1）Realize that oblique operation container is becoming operation on gradient track：By the coaster or carrier that change carriage body bottom
Structure, oblique operation container is adapted to the operation in different gradient and ensures the real-time level of carriage body；
（2）Power resources are convenient, and system effectiveness is high, simple in construction, occupies little space：Using electric leveling, compared to liquid
Pressure system, energy multiple conversions are realized without hydraulic power unit, and energy utilization rate is high, is not take up the limited space of carriage body；
（3）Leveling performance is good, and real-time minimum regulation can be achieved：Using servomotor driving leading screw regulation, in arc orbit
At the sustained grade changes such as section, servomotor can realize high-precision rotating speed control, coordinate reduction box etc. to realize trace regulation；
（4）It is simple and reliable for structure, safely and effectively：Supporting construction is simply effective, using four-point supporting, and anti-bias load is good, adopts
Use single motor control, it is ensured that mechanism synchronism；Outer framework is set up, carriage body is fixed in movable floor with structural shape framework, carried
The bulk strength and stability of high carriage body, make carriage body overcome carriage body caused by horizontal acceleration to topple in acceleration and decelerating phase.
Meanwhile, framework is distributed in each side of carriage body, and the functions such as container sightseeing are not influenceed.
Brief description of the drawings
Fig. 1 is front view of the total system of the present invention in the installation of 0 ~ 22 ° of gradient；
Fig. 2 is front view of the total system of the present invention in the installation of 22 ~ 45 ° of gradients；
Fig. 3 is front view of the total system of the present invention in the installation of 45 ~ 67 ° of gradients；
Fig. 4 is front view of the total system of the present invention in the installation of 67 ~ 90 ° of gradients；
Fig. 5 is the total system of the present invention in the local front view of minimum adjusting position；
Fig. 6 is the total system of the present invention in the local front view in intermediate regulations position；
Fig. 7 is the total system of the present invention in the local front view of highest adjusting position；
Fig. 8 is the total system of the present invention in the local left view of minimum adjusting position；
Fig. 9 is the total system of the present invention in the local left view in intermediate regulations position；
Figure 10 is the total system of the present invention in the local left view of highest adjusting position；
Figure 11 is the front view of the automatic leveling component of the present invention；
Figure 12 is the top view of the automatic leveling component of the present invention；
Figure 13 is the top view of the active support frame part section of the present invention；
Figure 14 is the top view of the driven support frame part section of the present invention.
In figure：1- carriage bodies；2- movable floors；3- automatic leveling components；4- coasters；5- Backpack type carriers；1-1- poses
Sensor；3-1- active support frames；The driven support frames of 3-2-；3-3- leading screws one；3-4- support components one；3-5- shaft couplings；3-
6- support components two；3-7- leading screws two；3-8- upper connecting bases；3-9- upper support arms；3-10- lower support arms；3-11- upper limits are opened
Close；3-12- servomotors；3-13- lower connecting bases；3-14- fixed block assemblies；3-15- profile nuts one；3-16- pins；3-
17- deceleration blocks；3-18- reduction boxes；3-19- profile nuts two；3-20- fixed blocks；3-21- screw assemblies；3-22- bearing ends
Lid；3-23- radial bearings；3-24- thrust bearings；3-25- lower position switch.
Embodiment
Embodiments of the invention are further described below in conjunction with the accompanying drawings：
The oblique operation container self-level(l)ing device of the change gradient of the present invention, becomes the oblique operation container automatic leveling dress of the gradient
Put, be mainly made up of the movable floor 2 being located under carriage body 1, automatic leveling component 3 and coaster 4 or Backpack type carrier 5.In railway carriage or compartment
The bottom of body 1 sets movable floor 2, the Position and attitude sensor that described movable floor 2 is connected provided with automatic leveling controlling system above
1-1, lower position switch 3-25 of the bottom surface provided with limitation automatic leveling extreme lower position of movable floor 2；The lower section of movable floor 2 is set
There are coaster 4 or Backpack type carrier 5, side chain is connected to two between the movable floor 2 and coaster 4 or Backpack type carrier 5
Hinged pillar, opposite side is connected with automatic leveling component 3；
Described automatic leveling component 3 includes being arranged side by side by shaft coupling 3-5 active support frame 3-1 connected and driven
Support frame 3-2, described active support frame 3-1 include the 3-4 of support component one, the 3-3 of leading screw one, the profile nut one that rhombus stretches
3-15, deceleration block 3-17 and upper limit position switch 3-11；Driven support frame 3-2 includes the 3-6 of support component two, the silk that rhombus stretches
The 3-7 of thick stick two, fixed block assembly 3-14 and the 3-19 of profile nut two；The described 3-4 of support component one and the 3-6 of support component two is wrapped
Upper connecting base 3-8 is included, upper connecting base 3-8 both sides are hinged with the two upper support arm 3-9 in left and right, the upper support arm 3-9's of left and right two
Lower end is respectively articulated with the two lower support arm 3-10 in left and right, and the two lower support arm 3-10 in left and right lower end is hinged on lower connecting base 3-13
On, upper support arm 3-9 on the left of the described 3-4 of support component one and profile nut one is provided between the lower support arm 3-10 in left side
Upper support arm 3-9 on the left of 3-15, the 3-6 of support component two and the 3- of profile nut two is provided between the lower support arm 3-10 in left side
19；Pass through the 3-3 of the shaft coupling 3-5 connections leading screw one and 3- of leading screw two between the described 3-4 of support component one and the 3-6 of support component two
Set on upper support arm 3-9 on the right side of 7, described active support frame 3-1 and the 3-3 of leading screw one between the lower support arm 3-10 on right side
There are deceleration block 3-17, the 3-3 of leading screw one of the 3-6 sides of one 3-4 connections support component of support component two to be provided with servomotor 3-
Reduction box 3-18, the lower support arm 3-10 of the 3-4 of support component one are provided between 12, servomotor 3-12 and the 3-3 of leading screw one
Set between the upper support arm 3-9 and the lower support arm 3-10 on right side that are provided with the right side of upper limit position switch 3-11, the 3-6 of support component two
There is fixed block assembly 3-14.
Described fixed block assembly 3-14 includes the fixed block 3-20 for being arranged in the 3-7 right-hand members of leading screw two, is located at the 3-7 of leading screw two
Thrust bearing 3-24 and radial bearing 3-23 between fixed block 3-20, radial bearing 3-23 right-hand members are provided with bearing (ball) cover 3-
22。
Described coaster 4 includes lifting platform 4-1 and is located at the guide wheel 4-2 for lifting platform 4-1 bottoms, automatic leveling component
3 are hinged with lifting platform 4-1 left ends, and the right-hand member of movable floor 2 is hinged provided with two hinged pillars with lifting platform 4-1 right-hand member.
Described Backpack type carrier 5 includes lifting that platform 4-1 and being located at lifts platform 4-1 bottoms leads boots 4-3.
The oblique operation self-leveling method of container of the change gradient of the present invention, during oblique operation container operation：By being located at
Position and attitude sensor 1-1 above movable floor 2 monitors the posture of carriage body 1 in real time, when the operation of carriage body 1 of oblique operation container extremely becomes
During the guide rail section of the gradient, the run-off the straight of carriage body 1, when Position and attitude sensor 1-1 monitors 1 angled change of carriage body, at once by angle
Variable signal is transmitted to automatic leveling controlling system, after automatic leveling controlling system signal analysis and processing, controls servomotor
3-12 is moved, and servomotor 3-12 drives the 3-3 of leading screw one to rotate by reduction box 3-18, and the 3-3 of leading screw one passes through shaft coupling 3-5 bands
The dynamic 3-7 of leading screw two is rotated, and the 3-3 of leading screw one and the 3-7 of leading screw two drive the flexible 3-4 of support component one and the 3- of support component two of rhombus
About 6 fold elongation or shrink, and drive movable floor 2 to be rotated around hinged pillar, compensate the angle change of carriage body 1, carriage body 1 is begun
Horizontal attitude is in eventually.
Embodiment 1, as shown in Figure 1, shown in Figure 5, the gradient is in the oblique operation container change in 0 ~ 45 ° of inclination angle, using coaster 4,
The oblique operation container of the change gradient under the platform 4-1 various operating modes of angle adaptation is lifted on coaster 4 by changing.At the bottom of carriage body 1
The Position and attitude sensor 1-1 of pose change of the movable floor 2 in portion provided with monitoring carriage body in real time, is hinged below movable floor 2
Automatic leveling component 3, the lower section of automatic leveling component 3 sets coaster 4, and coaster 4 is constituted by lifting platform 4-1 and guide wheel 4-2, automatically
Leveling component 3 is hinged with lifting platform 4-1 left ends through two hinged pillars, and two hinged pillars of right-hand member of movable floor 2 are with lifting
Platform 4-1 right-hand member is hinged.
As shown in Fig. 6-Figure 14, automatic leveling component 3 includes the active support connected by shaft coupling 3-5 is arranged side by side
Frame 3-1 and driven support frame 3-2, shaft coupling 3-5 make the power of servomotor 3-12 on active support frame 3-1 transmit to driven branch
Support 3-2；Wherein active support frame 3-1 includes the 3-4 of support component one, the 3-3 of leading screw one, the 3- of profile nut one that rhombus stretches
15th, deceleration block 3-17 and upper limit position switch 3-11；Driven support frame 3-2 includes the 3-6 of support component two, the leading screw that rhombus stretches
Two 3-7, fixed block assembly 3-14, the 3-19 of profile nut two；The wherein 3-4 of support component one and the 3-6 of support component two include upper
Connecting seat 3-8, upper connecting base 3-8 both sides are flexibly connected under left and right two upper support arm 3-9, the upper support arm 3-9 of left and right two
The lower end that end is movably connected with left and right two lower support arm 3-10, the lower support arm 3-10 of left and right two is flexibly connected lower connecting base
Upper support arm 3-9 on the left of 3-13, the wherein 3-4 of support component one and profile nut one is provided between the lower support arm 3-10 in left side
3-15, the 3- of 3-6 profile nuts two is provided between the upper support arm 3-9 in the left side of support component two and the lower support arm 3-10 in left side
19；It is transversely provided with respectively on the 3-4 of support component one and driven support frame 3-2 by the shaft coupling 3-5 3-3 of leading screw one connected and silk
Set on upper support arm 3-9 on the right side of the 3-7 of thick stick two, active support frame 3-1 and the 3-3 of leading screw one between the lower support arm 3-10 on right side
There are deceleration block 3-17, the 3-3 of side leading screw one of the 3-4 connections support component two of support component one to be provided with servomotor 3-12,
Reduction box 3-18 is provided between servomotor 3-12 and the 3-3 of leading screw one, the 3-4 of support component one lower support arm 3-10 is provided with upper
Limit switch 3-11, fixed block group is provided between the upper support arm 3-9 on the right side of support component two and the lower support arm 3-10 on right side
Lower position switch 3-25 is arranged below in part 3-14, movable floor 2；When automatic leveling component 3 rises to extreme position, touch
Limit switch 3-11, servomotor 3-12 shuts down；When automatic leveling component 3 drops to extreme position, lower limit is touched
3-25 is switched, servomotor 3-12 shuts down, so as to avoid servomotor 3-12 overload running；
Described fixed block assembly 3-14 includes the fixed block 3-20 for being arranged in the 3-7 right-hand members of leading screw two, and pin 3-16 will consolidate
Determine block 3-20 to be fixed on driven support frame 3-2.Be equipped between the 3-7 of leading screw two and fixed block 3-20 thrust bearing 3-24 and to
The heart bearing 3-23, thrust bearing 3-24 are primarily subjected to axial load, radial bearing 3-23 substantial radial loads.Radial bearing
3-23 right-hand members are provided with bearing (ball) cover 3-22, be fixed in by screw assembly 3-21 on fixed block 3-20, bearing package is prevented
Dust and other impurities are disturbed；
Embodiment 2, as shown in Figure 2, Figure 3, Figure 4, the gradient is used in the oblique operation container change of 45 ~ 90 ° of high inclination-angle
Backpack type carrier 5, the change gradient under the platform 4-1 various operating modes of angle adaptation is lifted by changing on Backpack type carrier 5
Oblique operation container.Its structure is substantially the same manner as Example 1, and something in common is omited.Difference is that described Backpack type is carried
Frame 5 includes lifting that platform 4-1 and being located at lifts platform 4-1 bottoms leads boots 4-3, automatic leveling component 3 and to lift platform 4-1 left
End is hinged, and the right-hand member of movable floor 2 is hinged provided with two hinged pillars with lifting platform 4-1 right-hand member.
Claims (2)
1. one kind becomes the oblique operation container self-level(l)ing device of the gradient, it is characterised in that：It includes being located at carriage body（1）The work of bottom
Dynamic bottom plate（2）, described movable floor（2）The Position and attitude sensor being connected above provided with automatic leveling controlling system（1-1）, activity
Bottom plate（2）Bottom surface provided with limitation automatic leveling extreme lower position lower position switch（3-25）；Movable floor（2）Lower section be provided with
Coaster（4）Or Backpack type carrier（5）, the movable floor（2）With coaster（4）Or Backpack type carrier（5）Between a side chain
Two hinged pillars are connected to, opposite side is connected with automatic leveling component（3）；
Described automatic leveling component（3）Including being arranged side by side by shaft coupling（3-5）The active support frame of connection（3-1）With from
Dynamic support frame（3-2）, described active support frame（3-1）The support component one stretched including rhombus（3-4）, leading screw one（3-3）、
Profile nut one（3-15）, deceleration block（3-17）And upper limit position switch（3-11）；Driven support frame（3-2）It is flexible including rhombus
Support component two（3-6）, leading screw two（3-7）, fixed block assembly（3-14）With profile nut two（3-19）；Described support group
Part one（3-4）With support component two（3-6）Include upper connecting base（3-8）, upper connecting base（3-8）Both sides are hinged with left and right two
Upper support arm（3-9）, the upper support arm of left and right two（3-9）Lower end be respectively articulated with left and right two lower support arms（3-10）, left and right
Two lower support arms（3-10）Lower end be hinged on lower connecting base（3-13）On, described support component one（3-4）Left side it is upper
Support arm（3-9）With the lower support arm in left side（3-10）Between be provided with profile nut one（3-15）, support component two（3-6）Left side
Upper support arm（3-9）With the lower support arm in left side（3-10）Between be provided with profile nut two（3-19）；Described support component
One（3-4）With support component two（3-6）Between pass through shaft coupling（3-5）Connect leading screw one（3-3）With leading screw two（3-7）, it is described
Active support frame（3-1）The upper support arm on right side（3-9）With the lower support arm on right side（3-10）Between leading screw one（3-3）On
Provided with deceleration block（3-17）, support component one（3-4）Connect support component two（3-6）The leading screw one of side（3-3）It is provided with
Servomotor（3-12）, servomotor（3-12）With leading screw one（3-3）Between be provided with reduction box（3-18）, the support component one
（3-4）Lower support arm（3-10）It is provided with upper limit position switch（3-11）, support component two（3-6）The upper support arm on right side（3-
9）With the lower support arm on right side（3-10）Between be provided with fixed block assembly（3-14）;
Described fixed block assembly（3-14）Including being arranged in leading screw two（3-7）The fixed block of right-hand member（3-20）, it is located at leading screw two
（3-7）And fixed block（3-20）Between thrust bearing（3-24）And radial bearing（3-23）, radial bearing（3-23）Right-hand member is set
There is bearing (ball) cover（3-22）;
Described coaster（4）Including lifting platform（4-1）Platform is lifted with being located at（4-1）The guide wheel of bottom（4-2）;
Described Backpack type carrier（5）Including lifting platform（4-1）Platform is lifted with being located at（4-1）Boots are led in bottom（4-3）.
2. become the leveling method of the oblique operation container self-level(l)ing device of the gradient, its feature described in a kind of usage right requirement 1
It is：
During oblique operation container operation：By being located at movable floor（2）Position and attitude sensor above（1-1）Carriage body is monitored in real time
（1）Posture, when it is oblique operation container carriage body（1）During operation to the guide rail section for becoming the gradient, carriage body（1）Run-off the straight, pose
Sensor（1-1）Monitor carriage body（1）During angled change, angular rate signal is transmitted to automatic leveling at once and controls system
System, after automatic leveling controlling system signal analysis and processing, controls servomotor（3-12）Motion, servomotor（3-12）Pass through
Reduction box（3-18）Drive leading screw one（3-3）Rotate, leading screw one（3-3）Pass through shaft coupling（3-5）Drive leading screw two（3-7）Turn
It is dynamic, leading screw one（3-3）With leading screw two（3-7）The support component one for driving rhombus flexible（3-4）With support component two（3-6）Up and down
Fold elongation or shrink, drive movable floor（2）Rotated around hinged pillar, compensate carriage body（1）Angle change, make carriage body（1）
All the time it is in horizontal attitude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510707541.2A CN105217413B (en) | 2015-10-27 | 2015-10-27 | Become the oblique operation container self-level(l)ing device of the gradient and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510707541.2A CN105217413B (en) | 2015-10-27 | 2015-10-27 | Become the oblique operation container self-level(l)ing device of the gradient and method |
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| CN105217413A CN105217413A (en) | 2016-01-06 |
| CN105217413B true CN105217413B (en) | 2017-10-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105197723B (en) * | 2015-10-27 | 2017-06-27 | 中国矿业大学 | One kind becomes gradient oblique lifting chamber test platform and method |
| CN106429261A (en) * | 2016-10-14 | 2017-02-22 | 华东交通大学 | Hillside orchard monorail transport loading tackle with dip angle self-adaption function |
| CN111620273A (en) * | 2020-06-05 | 2020-09-04 | 北京极智嘉科技有限公司 | High-position robot and adjusting method thereof |
| CN112412098B (en) * | 2020-10-28 | 2021-12-07 | 中国矿业大学(北京) | Intelligent multi-foot hydraulic type supporting structure capable of resisting three-dimensional movement deformation |
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| CN203306882U (en) * | 2013-07-01 | 2013-11-27 | 苏州莱茵电梯制造有限公司 | Automatic lift car level-adjusting device |
| CN103995542A (en) * | 2014-05-04 | 2014-08-20 | 江苏大学 | Level adjusting device and method thereof |
| CN205114760U (en) * | 2015-10-27 | 2016-03-30 | 中国矿业大学 | Variable gradient slant operation container automatic levelling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102011108093B4 (en) * | 2011-07-19 | 2020-03-05 | Siemag Tecberg Gmbh | Precast lane for inclined conveyor system for mining trucks |
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|---|---|---|---|---|
| CN203306882U (en) * | 2013-07-01 | 2013-11-27 | 苏州莱茵电梯制造有限公司 | Automatic lift car level-adjusting device |
| CN103995542A (en) * | 2014-05-04 | 2014-08-20 | 江苏大学 | Level adjusting device and method thereof |
| CN205114760U (en) * | 2015-10-27 | 2016-03-30 | 中国矿业大学 | Variable gradient slant operation container automatic levelling device |
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