CN206367495U - A kind of plain type storage batteries of transformer substation handling transport vehicle - Google Patents
A kind of plain type storage batteries of transformer substation handling transport vehicle Download PDFInfo
- Publication number
- CN206367495U CN206367495U CN201621395615.XU CN201621395615U CN206367495U CN 206367495 U CN206367495 U CN 206367495U CN 201621395615 U CN201621395615 U CN 201621395615U CN 206367495 U CN206367495 U CN 206367495U
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- battery
- grip block
- branched chain
- transport vehicle
- transformer substation
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Abstract
本实用新型提供一种简易式变电站蓄电池装卸运输车，涉及高压供电技术领域，包括行走小车、杠杆、转运板、蓄电池夹持装置和支架，支架设置在行走小车上，杠杆和支架的横梁铰接或万向连接，所述转运板连接在支架上，所述蓄电池夹持装置位于杠杆前端，能将蓄电池升降并放置在转运板上用小车运输。该实用新型结构设计合理，使用方便，利用到蓄电池的搬运和转移过程中，能节省大量的人力，有效降低劳动强和蓄电池块搬运难度，极大的提高转移效率，具有良好的社会经济效益。
The utility model provides a simple substation storage battery loading and unloading transport vehicle, which relates to the technical field of high-voltage power supply, and includes a walking trolley, a lever, a transfer plate, a battery clamping device and a bracket. The bracket is arranged on the walking trolley, and the beam of the lever and the bracket is hinged or Universal connection, the transfer plate is connected to the bracket, the battery clamping device is located at the front end of the lever, the battery can be lifted and placed on the transfer plate and transported by a trolley. The utility model has a reasonable structural design and is easy to use. It can save a lot of manpower when used in the handling and transfer of batteries, effectively reduce labor intensity and difficulty in handling battery blocks, greatly improve transfer efficiency, and have good social and economic benefits.
Description
Technical field
The utility model belongs to transformer station's technical field, more particularly to a kind of plain type storage batteries of transformer substation handling transport
Car.
Background technology
At present, storage batteries of transformer substation majority is lead-acid accumulator, and general point of many storage layers are indoors on special rack,
To save space-consuming, multiple batteries order close-packed arrays successively.Single battery block weight is 15-25kg, in routine work,
It is frequently necessary to accumulator pack to be taken out respectively from rack, and is transported on the vehicle outside battery room and is shifted.Due to
The interior space is small should not to use small crane, and battery is close without mounting point, arrangement, is also not convenient to use small-sized forklift.
In daily many using the artificial methods for carrying transfer, this method has shortcomings：One is by hand from placement
Remove accumulator pack on frame to be difficult, because monolithic battery weight is larger, and electric power storage pool surface is smooth and arrangement is close, and nothing is puted forth effort
Point, depends merely on finger and is not easily taken out, and carries difficulty big；Two be that polylith battery is taken out into quite laborious from brandreth, along with complete
Portion is transported on passenger-cargo carriage, is consumed the physical efficiency of a large amount of people, is especially wasted time and energy.
Utility model content
The technical problems to be solved in the utility model is to reduce electric power storage there is provided one kind for above-mentioned the deficiencies in the prior art
Pond block carries difficulty, greatly improves a kind of plain type storage batteries of transformer substation handling transport vehicle of transfer efficiency.
In order to solve the above technical problems, technical solution adopted in the utility model is：Including walking dolly, lever, turn
Plate, battery clamping device and support are transported, support is arranged on walking dolly, and the crossbeam of lever and support is hinged or universal company
Connect, the transport plates are connected on support, the battery clamping device is located at lever front end, battery can be lifted and placed
Transported on transport plates with walking dolly.
Preferably, battery clamping device includes main chain, hanging scaffold, branched chain, upper grip block, lower grip block and rotating shaft,
Described upper grip block one end in the middle part of lower grip block by rotating shaft with being connected, and the hanging scaffold passes through its upper end main chain and lever front end phase
Connection, the branched chain of the hanging scaffold lower surface is connected with the rotating shaft right part of lower grip block, when branched chain is tensed, upper clamping
Plate and lower grip block can hold battery tightly.
Preferably, battery clamping device also includes support bracket, the support bracket is connected with branched chain.
Preferably, branched chain includes the branched chain one being connected with lower grip block and the branched chain two being connected with support bracket,
The length of branched chain two is more than the length of branched chain one.
Preferably, transport plates use stretching structure.
Preferably, stretching structure be chute type telescoping mechanism, including extract out plate and and the soleplate provided with chute, it is described
Extract plate sliding extension on soleplate out.
Preferably, transport plates are connected with the connecting hole on support, the connecting hole is provided with multiple.
Preferably, walking dolly includes car body and running gear, the running gear is installed on below car body, walking dress
It is set to universal wheel or roller.
Preferably, support includes the angled vertical rod of two couple for being symmetricly set on car body and brace, the horizontal stroke
Beam is arranged between two vertical rods.
Preferably, being provided with multiple crossbar brackets in vertical rod, the crossbar bracket sets height different.
It is using the beneficial effect produced by above-mentioned technical proposal：The utility model reasonable in design, it is easy to use,
In the carrying and transfer process that use battery, substantial amounts of manpower can be saved, effectively reduction work is strong and accumulator pack is carried
Difficulty, greatly improves transfer efficiency, with good economic results in society.
Brief description of the drawings
Fig. 1 is a kind of structural representation of plain type storage batteries of transformer substation handling transport vehicle of the utility model.
Fig. 2 is the structural representation of battery clamping device in Fig. 1.
Fig. 3 is the structural representation of branched chain in Fig. 2.
Fig. 4 is in Fig. 2 I partial enlarged drawing.
Fig. 5 is the structural representation of Fig. 1 medium-height trestles and walking dolly.
In figure：1st, walking dolly；11st, car body；12nd, running gear；2nd, lever；3rd, transport plates；31st, plate is extracted out；32nd, it is basic
Plate；4th, battery clamping device；41st, main chain；42nd, hanging scaffold；43rd, upper grip block；44th, lower grip block；45th, rotating shaft； 46、
Support bracket；47th, branched chain；471st, branched chain one；472nd, branched chain two；5th, support；51st, vertical rod；52nd, brace；53rd, crossbeam；
54th, connecting hole；55th, crossbar bracket.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
As shown in Figures 1 to 5, a kind of plain type storage batteries of transformer substation handling transport vehicle, including walking dolly 1, lever 2,
Transport plates 3, battery clamping device 4 and support 5, support 5 are arranged on walking dolly 1, and the crossbeam 53 of lever 2 and support 5 is cut with scissors
Connect or universal connection, the transport plates 3 are connected on support 5, the battery clamping device is located at the front end of lever 2, will can store
Battery is lifted and is placed on transport plates 3 and transported with walking dolly 1.The device make use of lever principle, realizes and utilizes 2, lever
Lift heavy thing can be with the effect of effectively save manpower.Lever 2 is located at the positive middle part of the crossbeam 53 of support 5, and lever 2 can use a variety of
Realize and be hinged or universal connection between form and crossbeam 53.Lever 2 is divided into front-end and back-end by the intersection point of lever 2 and crossbeam 53
Two parts, wherein front end are used for clamping and lifting battery, and the rear end of lever 2 is exerted oneself for hand-held, and is provided with handle, in order to
Strengthen the comfortableness that the instrument is used.Front-end and back-end length ratio is set to 1 by lever 2:4-1：3, because the choosing of the ratio
On the one hand select can greatly reduce the power applied required for the front end of lift lever 2, while being also unlikely to because the rear end of lever 2 was set
It is long, cause whole Tool footprint excessive.Battery clamping device 4 can realize the strong clamping and support to battery, it is ensured that
The stability sling.The present apparatus needs to be coordinated by two workmans, and one is located at the rear end of lever 2 progress lever 2 and operates, separately
One people is located at battery clamping device 4, assists battery clamping device 4 to complete the whole process clamped to battery.Turn
Fortune plate 3 can pick up battery in the battery clamping device 4 of the front end of lever 2 and after lifting certain distance, by battery
It is placed on transport plates 3, and then the change of battery location is realized by promoting support 5, battery is shifted, carried
Deng operation.
Preferably, battery clamping device 4 includes main chain 41, hanging scaffold 42, branched chain 47, upper grip block 43, lower clamping
Plate 44 and rotating shaft 45, described upper one end of grip block 43 are connected with the lower middle part of grip block 44 by rotating shaft 45, and the hanging scaffold 42 passes through
Its upper end main chain 41 is connected with the front end of lever 2, the branched chain 47 of the lower surface of hanging scaffold 42 and the rotating shaft 45 of lower grip block 44
Right part is connected, and when branched chain 47 is tensed, upper grip block 43 and lower grip block 44 can hold battery tightly.Battery is clamped
On the one hand the setting of device 4 can easily realize the process that battery is clamped and lifted from support, while also can be fine
Coordinate lever 2 it is upper lift or decline during angle change, realize on the horizontal level and height and position of battery
Change.Main chain 41 and the front end of the lever of upper end 2 are reliably connected, the form connected using chain, it is therefore an objective to be easy to the bottom of main chain 41 to fill
Put and battery can preferably coordinate lever 2 lift or dropping process in change in location, realize main chain 41 and lever 2 it
Between corner dimension any change.In the present embodiment, hanging scaffold 42 is preferably the shape of ellipse, and the selection of the shape, which is mainly, is
Coordinate the shape of the battery of bottom clamping, the long side direction for the correspondence battery of branched chain 47 that oval long side direction is set
Clamped, the short side direction for the correspondence battery of branched chain 47 that oval short side direction is set is clamped, such branched chain
47 position sets the appearance and size closer to battery, and then makes branched chain 47 and the angle of vertical direction formation minimum,
Preferably to ensure the stability of clamping.Upper grip block 43 and lower grip block 44 are used in combination, similar to making for brick clamping device
Use principle.Instantly it during 44 upper horizontal portions stress of grip block, can rotate the overall axial Impact direction that rotates of lower grip block 44,
Even if the trend concentrated and drawn in centre is arranged at the bottom of both upper grip block 43 and lower grip block, in order to battery two sides
Form strong clamping action, it is ensured that the frictional force that upper grip block 43 and lower grip block 44 are formed with battery sidepiece is enough to resist
In the self gravitation of battery, the present embodiment, the bottom of hanging scaffold 42 is mainly passed through to external force suffered by the lower horizontal component of grip block 44
Branched chain 47 applies, because the deadweight of upper grip block 43 and lower grip block 44 is concentrated in the branched chain 47 on top, and branched chain
47 lower end is connected with the horizontal ends of lower grip block 44, is applied with equivalent to the horizontal component to lower grip block 44 upward outer
Power, so that the lower end of upper grip block 43 and lower grip block 44 is drawn close to centre, realization is clamped to battery lateral surface, instantly
When portion is by battery gravity, the power that branched chain 47 acts on the lower horizontal segment of grip block 47 gradually increases, and then realizes lower grip block
44 45 rotate around the shaft, so as to drive the lower lower end of grip block 44 further to be clamped to battery side, reach that frictional force further increases
Big purpose, final realize slings battery from rack.Main chain upper end is one form, and lower end and hanging scaffold 42 are connected
Position be divided into three strands, it is and uniform by center of circle circumferencial direction of the center of hanging scaffold 2, and then realize that hanging scaffold 42 is horizontally disposed with, be easy to protect
Demonstrate,prove the stability of its underpart device and clamped article in the horizontal direction, it is to avoid hanging scaffold 42 is swung up and down to clamping article
Cause to rock, it is to avoid produce the danger fallen.
Preferably, battery clamping device 4 also includes support bracket 46, support bracket 46 is connected with branched chain 47.Use
When, support bracket 46 is respectively placed in two other side bottom of battery, to ensure except upper grip block 43 and lower grip block
Also there is support bracket 46 while applying laterally-clamped power and carry out support to bottom of storage battery in 44 pairs of batteries, be further ensured that folder
The stability held, it is to avoid what the slip of battery sidepiece was caused falls.
Preferably, branched chain 47 includes the branched chain 1 that is connected with lower grip block 44 and is connected with support bracket 46
Branched chain 2 472, the length of branched chain 2 472 is more than the length of branched chain 1.47 points of branched chain is and lower grip block 44
Three connected side chains 1 and two side chains 2 472 being connected with support bracket 46, the wherein length of branched chain 1 is compared with branch
The length of chain 2 472 is short, because branched chain 2 472 is connected with the support bracket 46 of bottom, and support bracket is " L " type, support
The lower horizontal portion of frame is in order to which the bottom with battery fits, in order to be played further to the clamping of battery side
The effect of protection, enhances the security that device is used, and branched chain 1 is connected with the lower upper horizontal portions of grip block 44
, the effect of lower grip block 44 is that frictional force is formed between the wall of battery side to resist gravity, so branched chain 1 is relative
For the length of branched chain 2 472, suitably shorter.Branched chain 1 is arranged at the length of the oblong-shaped disc of hanging scaffold 42
On direction of principal axis, three branched chains 1 are evenly arranged on the length direction, and the sequentially horizontal part split-phase with lower grip block 44
Connection, it is ensured that the lower horizontal component stress point of grip block 44 is positioned opposite uniform, and clamping stablizing effect is more preferable.
Preferably, transport plates 3 use stretching structure.Transport plates 3 use stretching structure form, are easy to coordinate later stage electric power storage
The process fallen on transport plates 3 is unloaded from battery clamping device 4 in pond.In the case of no stretching structure, the position of transport plates 3
The run trace of battery should be avoided, clamped safe battery can again easily moved on on transport plates 3, so
It is difficult to ensure that the lower surface size that transport plates 3 can correspond to battery is sufficiently large, and it is accurate enough, and it is designed to what can be stretched
Form then can easily solve above-mentioned two problems, and practicality is stronger, and clamping transhipment is easier to realize.
Preferably, stretching structure be chute type telescoping mechanism, including extract out plate 31 and and the soleplate 32 provided with chute,
The extraction sliding extension on soleplate 32 of plate 31.Stretching structure is arranged to the flexible form of chute type, and structure design is simple,
Telescopic effect is easy to implement, and slideway makes simple, is easy to processing and fabricating, the upper front end of soleplate 32 is provided with upward small gear
Plate, extracts plate lower-end rear portion out and is provided with corresponding baffle plate, when extract out plate 31 forward to extreme position when, small front apron and baffle plate connect
Touch, it is to avoid extract plate out and come off from front end, it is ensured that withdrawn position is accurate, enhances the convenience of operation.
Preferably, transport plates 3 are connected with the connecting hole 54 on support 5, the connecting hole 54 is provided with multiple.Connection
Hole 54 is set at various height, is and the position of crossbeam 53 in order to ensure that the height deposited for battery is different
Height is different, the position of corresponding adjustment connecting hole 54, so that lever 2 can realize that battery is smoothly placed from front end retained part
Action onto transport plates 3, this can be highly connected realization, the company by changing transport plates 3 with the connecting hole 54 of different height
Connect mode simple to operation, the height of crossbeam 53 can be coordinated to carry out correspondence adjustment one by one.
Preferably, walking dolly 1 includes car body 11 and running gear 12, the running gear 12 is installed under car body 11
Side, the running gear 12 is universal wheel or roller.Running gear 13 can facilitate the moving operation of whole device, be easy to implement
The position transfer of battery, roller can also be replaced with universal wheel, can play same transhipment effect.
Preferably, support 5 includes the angled vertical rod 51 of two couple for being symmetricly set on car body 11 and brace 52,
The crossbeam 53 is arranged between two vertical rods 51.Car body 11 provides a horizontal direction placement platform for support 5 is overall, together
When go back that opposite brackets 5 are overall to play counterweight effect, top lever 2 can be effectively ensured and is clamping and lifted the process of battery
In, it is unlikely to because front and back end force unbalance causes whole support forward end 5 crooked and toppled over, it is ensured that during use
Security.The setting of running gear 12 is in order to realize the transport function of the device, because in the transport process of battery, both
It is related to clamping action, further relates to forwarding function, after battery is picked up and is placed on transport plates 3, can passes through
The brace 52 being arranged on car body 11 is promoted, device and battery are integrally pushed to required position.Vertical rod 51 and brace 52 are set
Put with certain angle, and car body is collectively forming triangular shaped, because triangle has stability, ensure that device
Firmly, stably, brace 52 has the function of pushing in addition, it is ensured that the comfortableness of operation, thirty years of age are promoted during transfer battery
The setting of bar 51 then provides the foundation for the installation of crossbeam 53 and transport plates 3, realize lever 2 around a fixing point rotate when it is steady
Determine effect.
Preferably, being provided with multiple crossbar brackets 55 in vertical rod 51, the crossbar bracket 55 sets height different.Vertical rod
The multiple crossbar brackets 55 set on 51 are to coordinate crossbeam 53 to set, and crossbar bracket 55 set at various height, be for
Ensure that the height deposited for battery is different, the position of corresponding adjustment crossbeam 53, so that lever 2 can be realized from most
Good angle carries out the operation that clamping is sling to battery, easily facilitates artificial operation, improves manually-operated comfortableness, makes transfer
Handling difficulty is preferably minimized, while operating efficiency can also be improved.
Application method：
The device is pushed into need by the battery rack of transfer, the placing height adjustment transfer carriage 3 of correspondence battery
And height of the crossbeam 53 in vertical rod 51, after adjusting, the rear end handle of lever 2 is pressed downward, is that the front end of lever 2 drives electric power storage
After being lifted on pond clamping device 4 to above battery, the rear end handle of lever 2 is slowly lifted upwards, so that front end battery is clamped
Device 4 slowly falls, until lower grip block 44 and upper grip block 43 are located at battery length to two sides, the front end workman of lever 2 will
Lower grip block 44 and upper grip block 43 conform to closer location with battery both sides respectively, and the rear end workman of lever 2 is slow by lever 2
Upper lift, the clamping force with the two side of one 471 pairs of batteries of branched chain gradually increases, until being enough to resist battery deadweight
When, battery bottom surface is lifted to disengaging rack surface, front end workman goes to the bottom the lower end plane of support bracket 46 and battery
Face is overlapped, and support bracket 46 is provided further safety guarantee to battery, is further continued for making the front end of lever 2 above carry, until transfer carriage 3
Behind top, transport plates 3 are extracted out, the rear end of lever 2 is then above carried, make front end battery clamping device 4 by battery place to turn
Transport on plate 3, then the front end workman of lever 2 removes support bracket 46 from battery bottom, battery continues downward, to battery and
Transport plates 3 are contacted, now, and branched chain 1 is in relaxation state, and then drive lower grip block 44 to rotate around the axis, and unclamp electric power storage
Pond both sides, band battery is placed on transport plates 3 after stabilization, promotes the brace 52 of support 5, is transferred to needed for battery is pushed into
Position, complete whole clamping transfer process.
The utility model reasonable in design, it is easy to use, in the carrying and transfer process that use battery, it can save
Substantial amounts of manpower, effectively reduction work is strong and accumulator pack carries difficulty, transfer efficiency is greatly improved, with good society
Economic benefit.
Claims (10)
1. a kind of plain type storage batteries of transformer substation handling transport vehicle, it is characterised in that：Including walking dolly（1）, lever（2）, turn
Transport plate（3）, battery clamping device（4）And support（5）, the support（5）It is arranged on walking dolly（1）On, the lever（2）
And support（5）Crossbeam（53）It is hinged or universal connection, the transport plates（3）It is connected to support（5）On, the battery clamping
Device（4）Positioned at lever（2）Front end, battery can be lifted and be placed on transport plates（3）On use walking dolly（1）Transport.
2. a kind of plain type storage batteries of transformer substation handling transport vehicle according to claim 1, it is characterised in that：The electric power storage
Pond clamping device（4）Including main chain（41）, hanging scaffold（42）, branched chain（47）, upper grip block（43）, lower grip block（44）And rotating shaft
（45）, the upper grip block（43）One end and lower grip block（44）Middle part passes through rotating shaft（45）Connection, the hanging scaffold（42）Pass through
Its upper end main chain（41）And lever（2）Front end is connected, the hanging scaffold（42）The branched chain of lower surface（47）With lower grip block
（44）Rotating shaft（45）Right part is connected, and works as branched chain（47）During tension, upper grip block（43）With lower grip block（44）Energy will
Battery is held tightly.
3. a kind of plain type storage batteries of transformer substation handling transport vehicle according to claim 1, it is characterised in that：The electric power storage
Pond clamping device（4）Also include support bracket（46）, the support bracket（46）And branched chain（47）It is connected.
4. a kind of plain type storage batteries of transformer substation handling transport vehicle according to claim 2, it is characterised in that：The branch
Chain（47）Including with lower grip block（44）Connected branched chain one（471）With with support bracket（46）Connected branched chain two（472）,
The branched chain two（472）Length is more than branched chain one（471）Length.
5. a kind of plain type storage batteries of transformer substation handling transport vehicle according to claim 1, it is characterised in that：The transhipment
Plate（3）Using stretching structure.
6. a kind of plain type storage batteries of transformer substation handling transport vehicle according to claim 5, it is characterised in that：It is described flexible
Structure is chute type telescoping mechanism, including extracts plate out（31）With with the soleplate provided with chute（32）, the extraction plate（31）
Soleplate（32）Upper sliding extension.
7. a kind of plain type storage batteries of transformer substation handling transport vehicle according to claim 1, it is characterised in that：The transhipment
Plate（3）With support（5）On connecting hole（54）It is connected, the connecting hole（54）Provided with multiple.
8. a kind of plain type storage batteries of transformer substation handling transport vehicle according to claim 1, it is characterised in that：The walking
Dolly（1）Including car body（11）And running gear（12）, the running gear（12）It is installed on car body（11）Lower section, the walking
Device（12）For universal wheel or roller.
9. a kind of plain type storage batteries of transformer substation handling transport vehicle according to claim 1, it is characterised in that：The support
（5）Also include being symmetricly set in car body（11）On the angled vertical rod of two couples（51）And brace（52）, the vertical rod
（51）And brace（52）Upper end is connected, lower end is fixed on walking dolly（1）On, the crossbeam（53）It is arranged on two vertical rods
（51）Between.
10. a kind of plain type storage batteries of transformer substation handling transport vehicle according to claim 9, it is characterised in that：It is described vertical
Bar（51）On be provided with multiple crossbar brackets（55）, the crossbar bracket（55）Set height different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621395615.XU CN206367495U (en) | 2016-12-19 | 2016-12-19 | A kind of plain type storage batteries of transformer substation handling transport vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621395615.XU CN206367495U (en) | 2016-12-19 | 2016-12-19 | A kind of plain type storage batteries of transformer substation handling transport vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206367495U true CN206367495U (en) | 2017-08-01 |
Family
ID=59392889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621395615.XU Withdrawn - After Issue CN206367495U (en) | 2016-12-19 | 2016-12-19 | A kind of plain type storage batteries of transformer substation handling transport vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206367495U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106741057A (en) * | 2016-12-19 | 2017-05-31 | 国网河北省电力公司衡水供电分公司 | A kind of plain type storage batteries of transformer substation handling transport vehicle |
| CN107877240A (en) * | 2017-11-22 | 2018-04-06 | 安徽新荣钢构有限公司 | A kind of Manual lift start machine |
| CN109850788A (en) * | 2018-11-12 | 2019-06-07 | 北京特种机械研究所 | A kind of small-sized hand-operated hoisting transportation vehicle |
-
2016
- 2016-12-19 CN CN201621395615.XU patent/CN206367495U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106741057A (en) * | 2016-12-19 | 2017-05-31 | 国网河北省电力公司衡水供电分公司 | A kind of plain type storage batteries of transformer substation handling transport vehicle |
| CN106741057B (en) * | 2016-12-19 | 2023-02-21 | 国网河北省电力公司衡水供电分公司 | Simple storage battery loading and unloading transport vehicle for transformer substation |
| CN107877240A (en) * | 2017-11-22 | 2018-04-06 | 安徽新荣钢构有限公司 | A kind of Manual lift start machine |
| CN109850788A (en) * | 2018-11-12 | 2019-06-07 | 北京特种机械研究所 | A kind of small-sized hand-operated hoisting transportation vehicle |
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