CN110386570A - A kind of access cover lifter and its application method - Google Patents
A kind of access cover lifter and its application method Download PDFInfo
- Publication number
- CN110386570A CN110386570A CN201910746920.0A CN201910746920A CN110386570A CN 110386570 A CN110386570 A CN 110386570A CN 201910746920 A CN201910746920 A CN 201910746920A CN 110386570 A CN110386570 A CN 110386570A
- Authority
- CN
- China
- Prior art keywords
- access cover
- lifter
- crane
- connecting rod
- guide post
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
Abstract
The present invention relates to lifting means technical fields, specially a kind of access cover lifter and its application method, including rack, the rack upper surface is provided with guide post, two guide post peripheries are arranged with guide sleeve, lifter is provided between two guide posts, the movable end of the lifter is fixedly connected with crane, crane both ends bottom is fixedly connected with two guide posts, pressing device is provided between crane and guide sleeve, two end side surface of crane is provided with sliding rail, sliding block is provided on sliding rail, shoe surface, which is provided with, is telescopically connected to part, the present apparatus passes through setting guide post and guide sleeve, avoiding existing access cover lifting device leads to access cover double swerve in access cover lifting process, the problem of be easy to causeing access cover to fall off, to increase the stability of the access cover lifting device, it is moveable by being arranged Sliding block and it is telescopically connected to part, so that the present apparatus is suitable for the access cover of different size.
Description
Technical field
The present invention relates to lifting means technical field, specially a kind of access cover lifter and its application method.
Background technique
Currently, there are many type in the air service ground well used, whether lift well or to renovate well all not dedicated
Access cover lifter, indoors can also be by driving, outdoor large labor intensity and is promoted not by manpower entirely
Convenient, existing access cover lifter access cover in lifting process can shake to cause to be promoted and be not sufficiently stable, and not be suitable for
The access cover of different size.
Summary of the invention
(1) the technical issues of solving
(2) in view of the deficiencies of the prior art, the present invention provides a kind of access cover lifter and its application method, pass through
Lifter pushes up crane, and pressing device is arranged between guide sleeve and crane, is going up and down for guide post sliding opposite with guide sleeve
Sliding rail and sliding block are set on frame, setting is telescopically connected to part on sliding block, and access cover can not had to manpower by the present apparatus to be promoted,
Access cover that is highly stable and being suitable for different size in lifting process.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of access cover lifter, including rack, it is described
Rack upper surface is provided with guide post, and two guide post peripheries are arranged with guide sleeve, are provided with lifter between two guide posts,
The movable end of the lifter is fixedly connected with crane, and the crane bottom is fixedly connected with two guide posts, described
Pressing device is provided between crane and the guide sleeve, the pressing device includes second connecting rod, described second connecting rod one end
It is hinged on crane bottom, the second connecting rod other end is hinged on first connecting rod one end, and the first connecting rod other end is hinged
On the top of the guide sleeve, the first connecting rod side is fixedly connected on push rod one end, and the push rod other end is provided with clamping plate.
By using above-mentioned technical proposal, staff starts lifter, and lifter drives crane to rise, crane band
Dynamic guide post rises, and second connecting rod rises with the rising of crane, and second connecting rod drives first connecting rod to rise, first connecting rod band
Dynamic push rod moves obliquely, and push rod pushes clamping plate to move towards guide post, when crane rises to highest point, guide post two sides
Clamping plate guide post is compressed, to guide post to support.
Preferably, two end side surface of crane is provided with sliding rail, and sliding block, the cunning are provided on the track of the sliding rail
Block side, which is provided with, is telescopically connected to part, and the part that is telescopically connected to includes supporting block, and blind hole is provided in the supporting block, described blind
Inserted with telescopic rod in hole, the telescopic rod extension end is provided with hook, and the telescopic rod side wall is provided with limiting slot, the branch
Bracer side wall is provided with through-hole, and limited block is provided in the through-hole, and the limited block is adapted to the limiting slot.
By using above-mentioned technical proposal, staff adjusts the position of sliding shoe according to the size of access cover specification, so
Limited block is released afterwards, adjusts the length of telescopic rod, after adjusting, limited block insertion through-hole is entered into limiting slot, to stretching
Contracting bar is fixed, and is then connected access cover and hook by cable wire, so that cable wire keeps vertical, telescopic rod band running wire is mentioned
It rises, so that being promoted more stable.
Preferably, it is provided with several first threaded holes between the track of the sliding rail, several are provided on the sliding block
Two threaded holes, second threaded hole are identical as first threaded hole aperture.
By using above-mentioned technical proposal, the second threaded hole can be passed through with bolt after mobile sliding block to corresponding position
It will be on sliding block bath hoists with the first threaded hole.
Preferably, the limited block side wall is provided with pull ring.
By using above-mentioned technical proposal, facilitates and pull out limited block.
Preferably, pedestal is provided between the lifter and the rack.
By using above-mentioned technical proposal, lifter at work can be more stable.
Preferably, the guide post and guide sleeve are clearance fit.
By using above-mentioned technical proposal, guide post can slide in guide sleeve, and lubricant can be added in gap,
So that guide post sliding is more smooth.
Preferably, the lifter is hydraulic jack.
By using above-mentioned technical proposal, hydraulic jack is at low cost, and being capable of biggish lifting force.
Preferably, fixable support wheel is arranged in the rack lower end.
By using above-mentioned technical proposal, support wheel is used to support whole equipment, easy to remove, and being moved to corresponding position can
With fixation.
Preferably, handle is provided in the rack.
By using above-mentioned technical proposal, handle is fixed on the rack, for pushing whole equipment.
A kind of application method of access cover lifter as described above, steps are as follows:
Step 1: pushing handle to shift access cover lifter above access cover onto, by the center of access cover lifter and inspection
The center alignment built, support wheel is locked；
Step 2: bolt is passed through according to the position of the position adjustment sliding rail top shoe of fixing tightwire structure on access cover
First threaded hole and the second threaded hole tighten fixation；
Step 3: after the length for adjusting telescopic rod, being inserted into limited block in through-holes by pull ring pull-out limited block, limiting
Position block enters the fixed telescopic rod of limiting slot；
Step 3: one end of cable wire is fixed on access cover, the other end of cable wire is hung on hook；
Step 4: starting lifter, lifter drive crane rise, crane drive guide post rise, second connecting rod with
The rising of crane and rise, second connecting rod drive first connecting rod rise, first connecting rod drive push rod move obliquely, push rod
Clamping plate is pushed to move towards guide post, when crane rises to highest point, the clamping plate of guide post two sides compresses guide post；
Step 5: closing lifter after the completion of maintenance, access cover drops to original position under self gravity.
The present invention has following the utility model has the advantages that adding between the fit clearance and guide sleeve and crane for passing through guide post guide sleeve
Tight device improves the anti-swing intensity of lifter, so that lifting process is more stable, sliding rail and cunning are arranged on crane
Block, setting is telescopically connected to part on sliding block, so that the present apparatus is used to connect the access cover of different size, increases this
The applicability of device.
Detailed description of the invention
Fig. 1 is 1 schematic diagram of the embodiment of the present invention；
Fig. 2 is pressing device schematic diagram of the present invention；
Fig. 3 is schematic structural view of the invention；
Fig. 4 is left view structural representation of the invention；
Fig. 5 is overlooking structure diagram of the invention；
Fig. 6 is sliding-rail sliding structural schematic diagram of the present invention；
Fig. 7 is that the present invention is telescopically connected to part structural schematic diagram；
Fig. 8 is that the present invention is telescopically connected to part enlarged structure schematic diagram；
Fig. 9 is operation schematic diagram of the present invention.
In figure: 1, support wheel；2, rack；3, handle；4, it links up with；5, crane；6, lifter；7, guide post；8, guide sleeve；9,
Pedestal；12, sliding rail；13, sliding block；15, supporting block；16, blind hole；18, telescopic rod；19, limiting slot；20, through-hole；21, limited block；
22, the second threaded hole；23, the first threaded hole；24, pull ring；25, first connecting rod；26, second connecting rod；27, push rod；28, clamping plate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1:
Referring to Fig. 1, a kind of access cover lifter, including rack 2,2 upper surface of rack is provided with guide post 7, two
7 periphery of guide post is arranged with guide sleeve 8, and lifter 6 is provided between two guide posts 7, and the movable end of the lifter 6 is solid
Surely it is connected with crane 5,5 bottom of crane is fixedly connected with two guide posts 7, the crane 5 and the guide sleeve 8
Between be provided with pressing device, the pressing device includes second connecting rod 26, and described 26 one end of second connecting rod is hinged on crane 5
Bottom, 26 other end of second connecting rod are hinged with 25 one end of first connecting rod, and 25 other end of first connecting rod is hinged on described
The top of guide sleeve 8,25 side of first connecting rod are fixedly connected with 27 one end of push rod, and push rod is vertical with first connecting rod, described to push away
27 other end of bar is provided with clamping plate 28, and clamping plate 28 and the angle of push rod are 60 degree, and crane both ends side wall is provided with hook 4.
It should be noted that two guide post two sides are set as shown in Fig. 2, pressing device is symmetricly set on guide post two sides
It sets.
Staff connects access cover and hook with cable wire, starts lifter, and lifter drives crane to rise, crane
Guide post is driven to rise, second connecting rod rises with the rising of crane, and second connecting rod drives first connecting rod to rise, first connecting rod
Push rod is driven to move obliquely, push rod pushes clamping plate to move towards guide post, and when crane rises to highest point, second connects
Bar is vertical with crane, and the angle between first connecting rod and guide sleeve is 60 degree, and the clamping plate of guide post two sides compresses guide post, gives guide post
With support, further, the material of some increasing friction forces is can be set in cleat surface.
If without pressing device, the supporting point of crane only has the lifter at center, if access cover encounters hair by people
Raw to shake, crane can also shake, and then guide post is caused to shake, though be easy to causeing guide post guide sleeve bad, there is pressing device,
It prevents from guide post to shake in these cases, can prevent guide post guide sleeve from damaging.
In addition, the pedestal 9 can make as shown in Figure 1, being provided with pedestal 9 between the lifter 6 and the rack 2
Damping base, vibration caused by reduction lifter can be crossed at work, to reduce the shaking of access cover.
It should be noted that the guide post 7 and guide sleeve 8 are clearance fit, lubricant can be added in gap, so that leading
Sliding of the column in guide sleeve is more smooth.
It is understood that the lifter 6 is hydraulic jack, hydraulic jack is at low cost and can provide biggish mention
Lift.
It should be noted that fixable support wheel 1 is arranged in 2 lower end of rack, support wheel 1 makes the mobile present apparatus more
Add conveniently, support wheel can be fixed when being moved to above access cover, prevents the present apparatus from sliding.
It is understood that being provided with handle 3 in the rack 2, handle is fixed on the rack, and is entirely set for pushing
It is standby.
In conclusion the working principle of the present embodiment are as follows: operator shifts this equipment onto access cover upper by handle 3
Side, substantially, to its equipment, to lock support wheel 1, operator connects access cover and hook, starting with cable wire in access cover surrounding point
Lifter, lifter drive crane rise, crane drive guide post rise, second connecting rod with the rising of crane on
It rises, second connecting rod drives first connecting rod to rise, and first connecting rod drives push rod to move obliquely, and push rod pushes clamping plate to transport towards guide post
Dynamic, when crane rises to highest point, the clamping plate of guide post two sides compresses guide post, to guide post to support.
Embodiment 2:
It is further improved on the basis of embodiment 1, as shown in Fig. 3, Fig. 6 and Fig. 7,5 liang of end side surfaces of the crane are set
It is equipped with sliding rail 12, sliding block 13 is provided on the track of the sliding rail 12,13 side of sliding block, which is provided with, is telescopically connected to part, institute
Stating and being telescopically connected to part includes supporting block 15, and blind hole 16 is provided in the supporting block 15, and the blind hole 16 is interior inserted with telescopic rod
18,18 extension end of telescopic rod is provided with hook 4, and 18 side wall of telescopic rod is provided with limiting slot 19, the supporting block 15
Side wall is provided with through-hole 20, and limited block 21 is provided in the through-hole 20, and the limited block 21 is adapted to the limiting slot 19.
Staff adjusts the position of sliding shoe according to the size of access cover specification, then by limited block from support plate side wall
Through-hole release, adjust the length of telescopic rod, after adjusting, by limited block insertion through-hole enter limiting slot, to telescopic rod
It is fixed, is then connected access cover and hook by cable wire, so that cable wire keeps vertical, telescopic rod band running wire is promoted,
So that being promoted more stable.
Further, as shown in fig. 7, several limiting slots can be both provided in telescopic rod two sidewalls, in supporting block two sides
Wall is both provided with through-hole, and limited block, limited block and limiting slot establishing is arranged in through-hole, in this way can be fixed more by telescopic rod
Securely.
Wherein, it as shown in fig. 6, being provided with several first threaded holes 23 between the track of the sliding rail, is set on the sliding block
Several second threaded holes 22 are equipped with, second threaded hole is identical as first threaded hole aperture, and mobile sliding block is to accordingly
The second threaded hole can be passed through with bolt after position and the first threaded hole will be on sliding block bath hoists.
It should be noted that as shown in figure 8, the length that the position of sliding block movement and telescopic rod stretch out is in order to which cable wire is rising
The state that keep one as far as possible vertical between drop frame and access cover, access cover are more stable in uphill process.
Correspondingly, can be more convenient limit by pull ring 24 as shown in figure 8, the limited block side wall is provided with pull ring 24
Position block is released.
The working principle of the present embodiment are as follows: when ground well breaks down or arrived maintenance, need under staff
It into ground well pit body, just needs to open the access cover of ground well at this time, goes down from the maintenance ladder of access cover.Before this with regard to needing to make
With this equipment, this equipment is shifted onto the top of access cover by handle 3 by operator, substantially to set in access cover surrounding point to it
It is standby, support wheel 1 is lockked, staff adjusts the position of sliding shoe according to the size of access cover specification, then takes out limited block 21
Out, limited block 21 after adjusting, is inserted into through-hole 20 and enters limiting slot 19, to telescopic rod by the length for adjusting telescopic rod 18
18 are fixed, and are then connect access cover with hook 4 by cable wire, so that cable wire keeps vertical, start lifter 6, lifting
6 movable end of device pushes up crane 5, and crane 5 drives the upward sliding in guide sleeve 8 of guide post 7, so that promotion is more stable,
Telescopic rod 18 is promoted with running wire, finally raises up access cover, is completed in maintenance, and people turns off lifter 6 after coming out, and examines
It builds and declines under self gravity.
Embodiment 3:
As shown in figure 9, additionally providing the application method of the present apparatus, handle is pushed to shift access cover lifter on access cover onto
Side, the center of access cover lifter is aligned with the center of access cover, support wheel is locked；According to fixing steel on access cover
The position of the position adjustment sliding rail top shoe of Cable Structure, tightens fixation by the first threaded hole and the second threaded hole for bolt；It is logical
It crosses pull ring and pulls out limited block, after the length for adjusting telescopic rod, be inserted into limited block in through-holes, limited block, which enters limiting slot, to be fixed
Telescopic rod；One end of cable wire is fixed on access cover, the other end of cable wire is hung on hook；Start lifter, lifter
Crane is driven to rise, crane drives guide post to rise, and second connecting rod rises with the rising of crane, and second connecting rod drives
First connecting rod rises, and first connecting rod drives push rod to move obliquely, and push rod pushes clamping plate to move towards guide post, when crane rises
When to highest point, the clamping plate of guide post two sides compresses guide post；After the completion of maintenance, lifter is closed, access cover is in itself weight
Original position is dropped under power.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of access cover lifter, it is characterised in that: including rack (2), rack (2) upper surface is provided with guide post (7),
Two guide post (7) peripheries are arranged with guide sleeve (8), are provided with lifter (6), the lifting between two guide posts (7)
The movable end of device (6) is fixedly connected with crane (5), and crane (5) bottom is fixedly connected with two guide posts (7),
Pressing device is provided between the crane (5) and the guide sleeve (8), the pressing device includes second connecting rod (26), institute
It states second connecting rod (26) one end and is hinged on crane (5) bottom, second connecting rod (26) other end is hinged on first connecting rod
(25) one end, first connecting rod (25) other end are hinged on the top of the guide sleeve (8), and first connecting rod (25) side is solid
Surely it is connected to push rod (27) one end, push rod (27) other end is provided with clamping plate (28).
2. a kind of access cover lifter according to claim 1, it is characterised in that: (5) two end side surface of crane is set
It is equipped with sliding rail (12), is provided with sliding block (13) on the track of the sliding rail (12), sliding block (13) side is provided with flexible company
Fitting, the part that is telescopically connected to includes supporting block (15), is provided with blind hole (16) in the supporting block (15), the blind hole (16)
It is interior inserted with telescopic rod (18), telescopic rod (18) extension end is provided with hook (4), and telescopic rod (18) side wall is provided with
Limiting slot (19), supporting block (15) side wall are provided with through-hole (20), are provided with limited block (21), institute in the through-hole (20)
Limited block (21) is stated to be adapted to the limiting slot (19).
3. a kind of access cover lifter according to claim 2, it is characterised in that: set between the track of the sliding rail (12)
Several first threaded holes (23) are equipped with, several second threaded holes (22), second threaded hole are provided on the sliding block (13)
(22) identical as the first threaded hole (23) aperture.
4. a kind of access cover lifter according to claim 3, it is characterised in that: limited block (21) side wall is provided with
Pull ring (24).
5. a kind of access cover lifter according to claim 1, it is characterised in that: the lifter (6) and the rack
(2) pedestal (9) are provided between.
6. a kind of access cover lifter according to claim 1, it is characterised in that: between the guide post (7) and guide sleeve (8) are
Gap cooperation.
7. a kind of access cover lifter according to claim 1, it is characterised in that: the lifter (6) is hydraulic jack
Top.
8. a kind of access cover lifter according to claim 1, it is characterised in that: rack (2) the lower end setting can consolidate
Fixed support wheel (1) is provided with handle (3) on the rack (2).
9. the application method of -8 any a kind of access cover lifters according to claim 1, it is characterised in that: step is such as
Under:
Step 1: pushing handle to shift access cover lifter above access cover onto, by the center of access cover lifter and access cover
Center alignment, support wheel is locked；
Step 2: bolt is passed through first according to the position of the position adjustment sliding rail top shoe of fixing tightwire structure on access cover
Threaded hole and the second threaded hole tighten fixation；
Step 3: after the length for adjusting telescopic rod, being inserted into limited block, limited block in through-holes by pull ring pull-out limited block
Into the fixed telescopic rod of limiting slot；
Step 3: one end of cable wire is fixed on access cover, the other end of cable wire is hung on hook；
Step 4: starting lifter, lifter drive crane to rise, crane drives guide post to rise, and second connecting rod is with liter
It drops the rising of frame and rises, second connecting rod drives first connecting rod to rise, and first connecting rod drives push rod to move obliquely, and push rod pushes
Clamping plate is moved towards guide post, and when crane rises to highest point, the clamping plate of guide post two sides compresses guide post；
Step 5: closing lifter after the completion of maintenance, access cover drops to original position under self gravity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910746920.0A CN110386570B (en) | 2019-08-14 | 2019-08-14 | Access cover lifter and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910746920.0A CN110386570B (en) | 2019-08-14 | 2019-08-14 | Access cover lifter and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110386570A true CN110386570A (en) | 2019-10-29 |
| CN110386570B CN110386570B (en) | 2023-07-14 |
Family
ID=68288748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910746920.0A Active CN110386570B (en) | 2019-08-14 | 2019-08-14 | Access cover lifter and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110386570B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3802034A1 (en) * | 1988-01-25 | 1989-08-03 | Werner Cielker | Apparatus for moving manhole covers |
| US5035336A (en) * | 1987-04-20 | 1991-07-30 | Schmitz Robert J | Compact collapsible manhole cover lifter |
| CN102241363A (en) * | 2011-05-31 | 2011-11-16 | 天津起重设备有限公司 | Rail clamping device special for wind load-resisting and overturn-preventing crane |
| CN205472285U (en) * | 2016-01-15 | 2016-08-17 | 武汉理工大学 | Novel clamping rail device is prevent wind automatically to hoist |
| CN205527363U (en) * | 2016-02-24 | 2016-08-31 | 国营海东造船厂 | Rail clamping device |
| CN205634657U (en) * | 2016-04-27 | 2016-10-12 | 湖南汽车工程职业学院 | Hydraulic rail -clamping device for electric power |
| CN109807008A (en) * | 2019-03-08 | 2019-05-28 | 金蝉科技（江苏）股份有限公司 | A kind of smart home wardrobe production plate spray-painting plant |
| CN210366804U (en) * | 2019-08-14 | 2020-04-21 | 成都克伏特航空设备有限公司 | Access cover lifter |
-
2019
- 2019-08-14 CN CN201910746920.0A patent/CN110386570B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5035336A (en) * | 1987-04-20 | 1991-07-30 | Schmitz Robert J | Compact collapsible manhole cover lifter |
| DE3802034A1 (en) * | 1988-01-25 | 1989-08-03 | Werner Cielker | Apparatus for moving manhole covers |
| CN102241363A (en) * | 2011-05-31 | 2011-11-16 | 天津起重设备有限公司 | Rail clamping device special for wind load-resisting and overturn-preventing crane |
| CN205472285U (en) * | 2016-01-15 | 2016-08-17 | 武汉理工大学 | Novel clamping rail device is prevent wind automatically to hoist |
| CN205527363U (en) * | 2016-02-24 | 2016-08-31 | 国营海东造船厂 | Rail clamping device |
| CN205634657U (en) * | 2016-04-27 | 2016-10-12 | 湖南汽车工程职业学院 | Hydraulic rail -clamping device for electric power |
| CN109807008A (en) * | 2019-03-08 | 2019-05-28 | 金蝉科技（江苏）股份有限公司 | A kind of smart home wardrobe production plate spray-painting plant |
| CN210366804U (en) * | 2019-08-14 | 2020-04-21 | 成都克伏特航空设备有限公司 | Access cover lifter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110386570B (en) | 2023-07-14 |
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