CN109292389A - Lifting assembly, track elevator and the rail system with the track elevator - Google Patents

Lifting assembly, track elevator and the rail system with the track elevator Download PDF

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Publication number
CN109292389A
CN109292389A CN201811337241.XA CN201811337241A CN109292389A CN 109292389 A CN109292389 A CN 109292389A CN 201811337241 A CN201811337241 A CN 201811337241A CN 109292389 A CN109292389 A CN 109292389A
Authority
CN
China
Prior art keywords
track
elevator
lifting assembly
balancing pole
rotating shaft
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
Application number
CN201811337241.XA
Other languages
Chinese (zh)
Inventor
崔佳炜
章威
邱雨生
韩孝鑫
刘强宝
王忠辉
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.)
Kunshan Deqiang Kun Intelligent Equipment Manufacturing Co., Ltd
Original Assignee
Kunshan Ocs Suspension Transportation System 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 Kunshan Ocs Suspension Transportation System Co Ltd filed Critical Kunshan Ocs Suspension Transportation System Co Ltd
Priority to CN201811337241.XA priority Critical patent/CN109292389A/en
Publication of CN109292389A publication Critical patent/CN109292389A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G35/00Mechanical conveyors not otherwise provided for

Abstract

The present invention provides a kind of lifting assembly, track elevator and with the rail system of the track elevator, lifting assembly involved in it includes that fixed standoff upgrade block, the balancing pole being rotatably dispose on bracket around a horizontal rotating shaft and two are respectively connected to the elevator belt at balancing pole both ends, and the both ends of balancing pole are located at the two sides of horizontal rotating shaft;Lifting assembly, which also has, drives two elevator belt synchronization actions at work to adjust the power unit of upgrade block height and to incude the convert signals when balancing pole is converted to nonequilibrium condition by equilibrium state and feed back so that the balance sensing unit that power unit stops working;The specific structure of lifting assembly provided by the present invention can ensure that lifting assembly carries out the safety of enhancing action;In the application scenarios of specific rail system, the docking between differentiated levels track can effectively be solved the problems, such as to the lifting action of partial orbit by the track elevator with the lifting assembly.

Description

Lifting assembly, track elevator and the rail system with the track elevator
Technical field
The present invention relates to suspension type rail transport field more particularly to a kind of lifting assembly, track elevator and there is this The rail system of track elevator.
Background technique
Currently, in the process of deployment of logistics transportation track, the docking that is such as related between two different level height tracks Problem generallys use the difference in height between slope climbing type track structure two tracks of solution.Right such mode has the following problems: climbing It is big between formula track structure institute consumption, it is not suitable for the biggish conveying track design of difference in height;Slope climbing type track structure is in climbing section On travelling speed it is slow, and be easy to appear skidding etc. influence transportation stability the case where.
In view of this, it is necessary to provide a kind of reliable technical solutions to solve the above problems.
Summary of the invention
The present invention is directed at least solve one of technical problem of the existing technology, for achieving the above object, this hair Bright to provide a kind of lifting assembly, specific design method is as follows.
A kind of lifting assembly, including the standoff upgrade block of fixation, be rotatably dispose on the bracket around a horizontal rotating shaft Balancing pole and two elevator belts for being respectively connected to the balancing pole both ends, the both ends of the balancing pole be located at described The two sides of horizontal rotating shaft;The lifting assembly, which also has, drives the two elevator belt synchronization actions at work to adjust described mention Seat up the power unit of height and to incude the transformation when the balancing pole is converted to nonequilibrium condition by equilibrium state Signal is simultaneously fed back so that the balance sensing unit that the power unit stops working.
Further, the balance sensing unit includes the travel switch and opposite institute that the relatively described upgrade block is fixedly installed Balancing pole fixed setting is stated to trigger the travel switch when the balancing pole is converted to nonequilibrium condition by equilibrium state Trigger unit.
Further, the trigger unit is located at the horizontal rotating shaft one end and has towards the recessed of the travel switch side Slot, the travel switch, which has, to be stirred when the balancing pole is converted to nonequilibrium condition by equilibrium state by the groove inner wall Contact.
Further, the elevator belt is belt.
Further, the lifting assembly also has the connection for connecting the balance bar ends and the corresponding elevator belt Head is rotatablely connected between the connector and the balance bar ends and its rotation axis is parallel with the horizontal rotating shaft.
The present invention also provides a kind of track elevators, for promoting or reducing the level height of track, track lifting Machine includes rack and is set to lifting assembly as described above in the rack, and the track elevator, which also has, to be fixed to Track support frame of the upgrade block for the carrying track.
Further, the frame top is provided with the roller bearing for cooperating with the elevator belt and being driven by the power unit, The elevator belt is connected with clump weight far from one end of the upgrade block, and the upgrade block and the clump weight are located at described The two sides of roller bearing.
Further, the track elevator also has the first guidance set and the second guidance set, the first guiding group Part includes several the first idler wheels being set on the track support frame and cooperates with several first idler wheels to limit The first guide rail that track support frame moves along the vertical direction is stated, second guidance set includes matching described in several be set to The second idler wheel on pouring weight and cooperate with several second idler wheels with limit that the clump weight moves along the vertical direction the Two guide rails.
Further, the front side of the rack has a pair of column along bracket height direction setting, two columns Two outsides being away from each other constitute first guide rail, and two mutually close insides of two columns constitute second guided way Road.
In addition, rail system has in interval setting on transporting direction invention further provides a kind of rail system And the first track and the second track that level height is different, the rail system in first track and second track it Between also have and move up and down the fluctuating orbit of setting, the fluctuating orbit has the first working position for being docked to first track And it is docked to the second working position of second track;The rail system also has track elevator as previously discussed, described Fluctuating orbit is carried on the track support frame.
The beneficial effects of the present invention are: the specific structure based on lifting assembly provided by the present invention, mentions using with this When rising the track elevator promotion track level of component, if there is the case where elevator belt fracture, track elevator Lifting assembly can be timely responded to terminate lifting track process, so that it is guaranteed that the safety of lifting track movement;In specific rail In road systematic difference scene, differentiated levels can effectively be solved by lifting action of the track elevator to partial orbit Docking problem between track.
Detailed description of the invention
Fig. 1 show a kind of first state schematic diagram that structure is embodied of rail system of the present invention;
Fig. 2 show the side schematic view of lifting assembly and fluctuating orbit cooperation;
Fig. 3 show the schematic diagram of the removal rack of structure shown in Fig. 1;
Fig. 4 show the enlarged diagram of the part a in Fig. 3;
Fig. 5 show the front schematic view of structure shown in Fig. 4;
Fig. 6 show the enlarged diagram of the part b in Fig. 3;
Fig. 7 show the enlarged diagram of the part c in Fig. 3;
Fig. 8 show the lifting process schematic diagram of fluctuating orbit;
Fig. 9 show the enlarged diagram of the part d in Fig. 8;
Figure 10 show the enlarged diagram of the part e in Fig. 8;
Figure 11 show the second status diagram of Fig. 1 middle orbit system
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to various embodiments shown in the accompanying drawings, please refers to Fig. 1 to Figure 11 institute Show, is some better embodiments of the invention.
With reference to shown in Fig. 4, Fig. 5, the present invention involved in lifting assembly include the upgrade block 31 for being fixed with bracket 310, The balancing pole 32 being rotatably dispose on bracket 310 around a horizontal rotating shaft (not indicating in figure) and two are respectively connected to balancing pole First elevator belt 331, second elevator belt 332 at 32 both ends, the both ends of balancing pole 32 are located at the two sides of horizontal rotating shaft.More Specifically, in the present embodiment, bracket 310 is located at the top of upgrade block 31 comprising a pair of brackets piece being oppositely arranged is (in figure Do not indicate), the turn hole (not indicating in figure) being rotatably assorted for horizontal rotating shaft is formed at two stands piece sustained height position, is balanced Bar 32 is rotatably assorted to be rotatably dispose between two stands piece by horizontal rotating shaft and turn hole.As shown in Figure 4, horizontal rotating shaft In being horizontally disposed with, balancing pole 32 is rotated by horizontal rotating shaft around axial line L to be arranged axial line L.
Lifting assembly provided by the present invention also has drives the first elevator belt 331, the second elevator belt 332 same at work Step movement is non-equilibrium to adjust the power unit 35 of 31 height of upgrade block and to be converted in balancing pole 32 by equilibrium state The convert signals are incuded when state and are fed back so that the balance sensing unit that power unit 35 stops working.
Specifically, during the normal hoisting of lifting assembly or decline, since the first elevator belt 331, second is promoted 332 synchronization action of band, balancing pole 32 have relative to the static equilibrium state not rotated of bracket 310;With reference to shown in Fig. 5, when flat When weighing apparatus bar 32 is in equilibrium state, balancing pole 32 is in a horizontal position, and is balanced sensing unit at this time and is not worked.And when the first promotion When with a fracture in the 331, second elevator belt 332, balancing pole 32 will be rotated relative to bracket 310 around horizontal rotating shaft, to locate In nonequilibrium condition;In this specific embodiment, i.e., balancing pole 32 has horizontal position to turn to obliquity, and the sense of equilibrium answers at this time Cell operation simultaneously passes through feedback signal so that power unit 35 is out of service.
Based on the above design structure, when promoting object using the lifting assembly, if there are the feelings of elevator belt fracture Condition, lifting assembly can be timely responded to terminate object lifting process, so that it is guaranteed that the safety of object enhancing action.It can manage Solution, in the specific application process, the first elevator belt 331, the second elevator belt 332 substantially will not due to degree of wear difference The case where occurring while being broken;The promotion that user can more renew in time after the power unit 35 of lifting assembly stops working Band, and balancing pole 32 is restored to equilibrium state.
In the specific implementation process, with reference to shown in Fig. 4, Fig. 5, the balance sensing unit in the present embodiment includes opposite promoted The trigger unit 342 that the travel switch 341 and relative equilibrium bar 32 of 31 fixed setting of seat are fixedly installed, wherein trigger unit 342 is used To trigger travel switch 341 when balancing pole 32 is converted to nonequilibrium condition by equilibrium state.
More specifically, the trigger unit 342 in this present embodiment is located at horizontal rotating shaft one end and has and opens towards stroke The groove 3420 of 341 sides is closed, travel switch 341 has recessed when balancing pole 32 is converted to nonequilibrium condition by equilibrium state The contact 3410 that 3420 inner wall of slot is stirred.When balancing pole 32 is in equilibrium state, the contact 3410 of travel switch 341 is embedded in touching In the groove 3420 in hair portion 342;When balancing pole 32 is converted to nonequilibrium condition by equilibrium state, the groove of trigger unit 342 3420 inner walls can stir the contact 3410 of travel switch 341 and trigger travel switch 341 to generate electric signal.It had been embodied Cheng Zhong, lifting assembly are further equipped with the controller of its operation of control, and electric signal caused by travel switch 341 feeds back to controller Afterwards, controller can control power unit 35 so that it stops working.
In the present embodiment, the first elevator belt 331, the second elevator belt 332 are preferably belt.Belt operation noise is small, and And without adding lubricating oil in operational process.
With reference to shown in Fig. 4, Fig. 5, the lifting assembly in the present embodiment also has for connecting 32 end of balancing pole and phase Answer the connector 330 of elevator belt, rotation connection and its rotation axis and balancing pole between 32 end of each connector 330 and balancing pole 32 horizontal rotating shaft is parallel.When having a fracture in the first elevator belt 331 and the second elevator belt 332,32 both ends of balancing pole Stress is unbalance, and due to the above connection relationship between connector 330 and balancing pole 32, balancing pole 32 can be suitable with respect to bracket 310 It is smooth to realize rotation.
In the specific implementation process, each connector 330 includes the elevator belt interconnecting piece 3301 for being fixed to each elevator belt And the balancing pole interconnecting piece 3302 being detachably connected with elevator belt interconnecting piece 3301.Balancing pole interconnecting piece in the present embodiment 3302 are set as rod-shaped, and one end is rotatablely connected by rotation axis 3300 and 32 end of balancing pole, the other end and elevator belt Matching hole (not indicating in figure) on interconnecting piece 3301 is locked to realize elevator belt interconnecting piece 3301 and balancing pole interconnecting piece 3302 Between connection.
In conjunction with shown in Fig. 1, Fig. 2, Fig. 3, track elevator provided by the present invention is used to be promoted or be reduced the level of track Highly.Specific as shown in the figure, height-adjustable track is fluctuating orbit 20 in this specific embodiment;Track elevator includes machine It frame 100 and is set in rack 100 such as above lifting assembly, track elevator, which also has, is fixed to upgrade block 31 for carrying The track support frame 10 of fluctuating orbit 20.
Based on the specific structure of lifting assembly provided by the present invention, mentioned using the track elevator with the lifting assembly When rising track level, if there is the case where elevator belt fracture, the lifting assembly of track elevator can be timely responded to To terminate lifting track process, so that it is guaranteed that the safety of lifting track movement.It is understood that other being answered of the invention With in scene, lifting assembly also can be applied to the promotion of other type objects, and be not limited to the lift rail in the present embodiment Road 20 is not further spread out more specifically herein.
In this specific embodiment, the rolling for cooperating with elevator belt and being driven by power unit 35 is provided at the top of rack 100 Axis 350, elevator belt are connected with clump weight 36 far from one end of upgrade block 31, and upgrade block 31 and clump weight 36 are located at roller bearing 350 two sides.With reference to shown in Fig. 2, Fig. 3, the track support frame 10 and clump weight 36 for being fixed to upgrade block 31 are located at rolling 350 two sides of axis, when power unit 35 drives roller bearing 350 to rotate, track support frame 10 is opposite with 36 direction of motion of clump weight.? In specific implementation process, the load-bearing of 350 two sides of roller bearing is almost the same, and the power consumption of power unit 35 so can be effectively reduced.This In specific embodiment, related power unit 35 is motor.
To stablize track elevator operational process, track elevator also has the first guidance set and the second guiding group Part.
Wherein, the first guidance set includes several the first idler wheels being set on track support frame 10 and with several first Idler wheel cooperates to limit the first guide rail that track support frame moves along the vertical direction.Specifically in this present embodiment, with reference to figure 3, shown in Fig. 7, several first idler wheels are symmetrically distributed in the opposite sides of track support frame 10, and the first guide rail has two points The first guide rail not cooperated with 10 the first idler wheel of two sides of track support frame;In every side of track support frame 10, at least two The shaft of first idler wheel is not parallel.It specifically combines shown in Fig. 8, Figure 10, the first not parallel idler wheel of two shafts in the present embodiment 101,102 two of same first guide rail not ipsilaterals are abutted respectively, so that it is guaranteed that track support frame 10 is along the first guiding Smooth no shaking in track lifting process.
The second guidance set in the present embodiment include several the second idler wheels being set on clump weight 36 and with it is several Second idler wheel cooperates to limit the second guide rail that clump weight 36 moves along the vertical direction.With the structure phase of the first guidance set Seemingly, in this present embodiment, several second idler wheels are symmetrically distributed in the opposite sides of clump weight 36, and the second guide rail has two The second guide rail cooperated respectively with 36 the second idler wheel of two sides of clump weight.With reference to shown in Fig. 3, Fig. 6, in each of clump weight 36 The shaft of side, at least two second idler wheels is not parallel.It specifically combines shown in Fig. 8, Figure 10, two shafts are not parallel in the present embodiment The second idler wheel 361,362 abut two of same second guide rail not ipsilaterals respectively, so that it is guaranteed that clump weight 36 is along Smooth no shaking in two guide rail lifting process.
In conjunction with shown in Fig. 1, Fig. 8, in this embodiment, the front side of rack 100 has to be set along 100 short transverse of rack Wherein, two outsides that the first column 11, the second column 12 are away from each other constitute the above institutes for the first column 11 for setting, the second column 12. First guide rail is described, two mutually close insides of the first column 11, the second column 12 constitute the second guided way described above Road.I.e. track support frame 10 and clump weight 36 are cooperated by idler wheel and the first column 11, the second column 12 to realize on respectively The guiding of lower movement.
In the specific implementation process, the first column 11, the second column 12 are two upright rectangular tubes, every rectangular tube court Two adjacent surfaces outward constitute the first guide rail, and two adjacent surfaces of every rectangular tube towards inside constitute the second guiding Rail.
First guide rail is merged with the second guide rail and is set to inside and outside a column, can effectively be saved The space hold of track elevator, and make the structure of track elevator more stable.
With reference to shown in Fig. 1, Figure 11, rail system according to the present invention has in interval setting and level on transporting direction Highly different the first tracks 21 and the second track 22, rail system also have upper between the first track 21 and the second track 22 The fluctuating orbit 20 of lower mobile setting.Rail system also has track elevator as described above, which is It is carried on track support frame 10, with reference to shown in Figure 11, fluctuating orbit 20 has under the cooperation of track elevator is docked to the First working position of one track 21;Refering to what is shown in Fig. 1, fluctuating orbit 20 also has under the cooperation of track elevator is docked to the Second working position of two tracks 22.
Specifically, during track systematic difference, if on the first track 21 transport vehicle (not indicated in figure) need into Enter the second track 22, the specific implementation process is as follows: with reference to shown in Figure 11, track elevator works and keeps fluctuating orbit 20 mobile To the first working position;Transport vehicle is moved to fluctuating orbit 20 by the first track 21;Refering to what is shown in Fig. 1, track elevator work is simultaneously 20 to the second working position of movable lifting track;Transport vehicle is moved to the second track 22 by fluctuating orbit 20.
Specific structure based on middle orbit elevator of the present invention passes through track in the application scenarios of specific rail system Elevator can effectively solve the problems, such as the docking between differentiated levels track to the lifting action of partial orbit.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book With the other embodiments of understanding.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention Or change should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of lifting assembly, which is characterized in that be rotatably dispose in institute including the standoff upgrade block of fixation, around a horizontal rotating shaft State the balancing pole on bracket and two elevator belts for being respectively connected to the balancing pole both ends, the both ends difference of the balancing pole Positioned at the two sides of the horizontal rotating shaft;The lifting assembly also has drives the two elevator belt synchronization actions to adjust at work The power unit of the whole upgrade block height and to the sense when the balancing pole is converted to nonequilibrium condition by equilibrium state Should convert signals and feed back so that the balance sensing unit that the power unit stops working.
2. lifting assembly according to claim 1, which is characterized in that the balance sensing unit includes the relatively described promotion The travel switch of seat fixed setting and the relatively described balancing pole are fixedly installed to be converted in the balancing pole by equilibrium state The trigger unit of the travel switch is triggered when nonequilibrium condition.
3. lifting assembly according to claim 2, which is characterized in that the trigger unit is located at the horizontal rotating shaft one end And with the groove towards the travel switch side, the travel switch, which has, to be converted in the balancing pole by equilibrium state The contact stirred when nonequilibrium condition by the groove inner wall.
4. lifting assembly according to claim 1,2 or 3, which is characterized in that the elevator belt is belt.
5. lifting assembly according to claim 4, which is characterized in that the lifting assembly also has described flat for connecting The connector of weighing apparatus boom end and the corresponding elevator belt, rotation connection and its turn between the connector and the balance bar ends Moving axis is parallel with the horizontal rotating shaft.
6. a kind of track elevator, for promoting or reducing the level height of track, which is characterized in that including rack and setting In the lifting assembly in the rack as described in claim 1-5 any one, the track elevator, which also has, is fixed to institute Upgrade block is stated for the track support frame of the carrying track.
7. track elevator according to claim 6, which is characterized in that the frame top is provided with and the elevator belt The roller bearing for cooperating and being driven by the power unit, the elevator belt are connected with clump weight far from one end of the upgrade block, institute It states upgrade block and the clump weight is located at the two sides of the roller bearing.
8. track elevator according to claim 7, which is characterized in that the track elevator also has the first guiding group Part and the second guidance set, first guidance set include several the first idler wheels being set on the track support frame and Cooperate with several first idler wheels to limit the first guide rail that the track support frame moves along the vertical direction, described the Two guidance sets include several the second idler wheels being set on the clump weight and cooperate with several second idler wheels to limit The second guide rail that the fixed clump weight moves along the vertical direction.
9. track elevator according to claim 8, which is characterized in that the front side of the rack has a pair along the machine The column of frame short transverse setting, two outsides that two columns are away from each other constitute first guide rail, two columns Two mutually close insides constitute second guide rail.
10. a kind of rail system has in interval is arranged on transporting direction and level height is different the first track and the second rail Road, which is characterized in that the rail system also has between first track and second track moves up and down setting Fluctuating orbit, the fluctuating orbit have be docked to first track the first working position and be docked to second track The second working position;The rail system also has the track elevator as described in claim 6-9 any one, the lift rail Road is carried on the track support frame.
CN201811337241.XA 2018-11-12 2018-11-12 Lifting assembly, track elevator and the rail system with the track elevator Pending CN109292389A (en)

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Application Number Priority Date Filing Date Title
CN201811337241.XA CN109292389A (en) 2018-11-12 2018-11-12 Lifting assembly, track elevator and the rail system with the track elevator

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Application Number Priority Date Filing Date Title
CN201811337241.XA CN109292389A (en) 2018-11-12 2018-11-12 Lifting assembly, track elevator and the rail system with the track elevator

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CN109292389A true CN109292389A (en) 2019-02-01

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111822963A (en) * 2019-04-20 2020-10-27 青岛经济技术开发区海尔热水器有限公司 Assembly line
CN111825002A (en) * 2019-04-20 2020-10-27 青岛经济技术开发区海尔热水器有限公司 Lifting device
CN111824690A (en) * 2019-04-20 2020-10-27 青岛经济技术开发区海尔热水器有限公司 Suspension conveying device

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JPH1135111A (en) * 1997-07-18 1999-02-09 Furukawa Co Ltd Balance holder of carrier
CN103086134A (en) * 2011-10-28 2013-05-08 黄石市天畅输送机械有限公司 Automatic double-layer conveying device on logistics transport line
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CN105016243A (en) * 2015-08-07 2015-11-04 中国汽车工业工程有限公司 Four-column chain type lift
CN205654065U (en) * 2016-04-25 2016-10-19 福建省建中建设科技有限公司 Saddle formula platform load synchronizer that climbs
CN106044443A (en) * 2016-07-15 2016-10-26 阳兴造机(昆山)有限公司 Lifter capable of detecting balance
CN209192911U (en) * 2018-11-12 2019-08-02 昆山欧赛斯悬挂输送系统有限公司 Lifting assembly, track elevator and the rail system with the track elevator

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1135111A (en) * 1997-07-18 1999-02-09 Furukawa Co Ltd Balance holder of carrier
CN103086134A (en) * 2011-10-28 2013-05-08 黄石市天畅输送机械有限公司 Automatic double-layer conveying device on logistics transport line
CN103663164A (en) * 2013-11-30 2014-03-26 天奇自动化工程股份有限公司 Moving lifter
CN105016243A (en) * 2015-08-07 2015-11-04 中国汽车工业工程有限公司 Four-column chain type lift
CN205654065U (en) * 2016-04-25 2016-10-19 福建省建中建设科技有限公司 Saddle formula platform load synchronizer that climbs
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111822963A (en) * 2019-04-20 2020-10-27 青岛经济技术开发区海尔热水器有限公司 Assembly line
CN111825002A (en) * 2019-04-20 2020-10-27 青岛经济技术开发区海尔热水器有限公司 Lifting device
CN111824690A (en) * 2019-04-20 2020-10-27 青岛经济技术开发区海尔热水器有限公司 Suspension conveying device
CN111824690B (en) * 2019-04-20 2023-07-18 青岛经济技术开发区海尔热水器有限公司 Suspension conveying device

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