CN108726326A - A kind of construction hydraulic lifter - Google Patents
A kind of construction hydraulic lifter Download PDFInfo
- Publication number
- CN108726326A CN108726326A CN201810555235.5A CN201810555235A CN108726326A CN 108726326 A CN108726326 A CN 108726326A CN 201810555235 A CN201810555235 A CN 201810555235A CN 108726326 A CN108726326 A CN 108726326A
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- CN
- China
- Prior art keywords
- gravity
- center
- adjusting
- driving
- drilling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of construction hydraulic lifters,Including lifting pedestal,It is provided with lift on the lifting pedestal,The upper end of the lift is provided with hoistable platform,It is provided with workbench on the hoistable platform,It is provided with gravity adjusting device between the lifting pedestal and lift,The gravity adjusting device includes center of gravity adjustment seat,It is hollow center of gravity adjusting cavity inside the center of gravity adjustment seat,The interior center of gravity adjusting cavity is provided with circular adjustable track,Sliding, which is provided with, on the adjustable track adjusts slide and center of gravity adjusting clump weight,The adjusting slide adjusts clump weight with center of gravity and is connected,It is provided with adjusting driving device between adjusting slide and the adjustable track,The weight distribution situation of elevator can be detected,Center of gravity is adjusted in elevator off-centring,So that the center of gravity of elevator is in safe range,To reinforce stability and the safety of elevator.
Description
Technical field
The present invention relates to technical field of building construction, specially a kind of construction hydraulic lifter.
Background technology
Elevator, lift work platform are a kind of multifunctional lifting machinery equipment, can be divided into fixed and mobile, guide rail
Formula, crank arm type, scissor-type, chain-type, loading/unloading platform etc..Elevator is normally used for rescuing and fit up.Building hoist is also known as
Construction elevator, building hoist.It is commonly called as in Hong Kong, Southeast AsiaIt generally refers to vertically transport pedestrian on building sites
Or the means of transport of building materials cargo.Currently, the building hoist sum in the whole world is more than 8,000,000, it is Contemporary Architecture industrial application
Most vertical-type people goods haulagman.
Currently frequently occurred in the construction safety problem of building, building body engineering in the construction process must be with construction
Elevator combines, and the guide rail bracket of construction elevator, that is, building hoist is connected and fixed by holder and the agent structure in building, constructs
Elevator does vertical transport use in construction, is the dual-purpose elevator of people's goods of carrying individuals and material, due to being attached to building
The outside of main body, so also known as external elevator.
Application No. is 201710411293.6 Chinese invention patents to disclose a kind of hydraulic elevator, the invention pedestal
The both sides of top are separately installed with ten pairs of lifting gears being composed by support arm and inner support, so as to so that elevator
Heave amplitude substantially increase, and be welded to connect by welding block between each pair of support arm and inner support, pass through such connection side
Formula increases the firmness of linking, increases its service life, and be separately installed with up and down in the both sides of support arm and inner support
Be staggered the first hydraulic device and the second hydraulic device of support, and the lifting that can effectively increase elevator by such design is stablized
Property.
But there is some defects for the program：In this scenario, personnel or weight rest on supporting plate, once weight distribution is not
, the centre-of gravity shift that can make elevator, to influence stability and the safety of elevator, while the combination on pedestal and ground is not
Closely, the stability that lifting connects can also be influenced.
Invention content
In order to overcome the shortcomings of that prior art, the present invention provide a kind of weight distribution feelings that can detect elevator
Condition is adjusted center of gravity in elevator off-centring, reinforces the stability of elevator and the construction liquid of safety
Pressed liftable machine can effectively solve the problem that the problem of background technology proposes.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of construction hydraulic lifter, including lifting pedestal are provided with lift on the lifting pedestal, institute
The upper end for stating lift is provided with hoistable platform, and workbench, the lifting pedestal and lift are provided on the hoistable platform
Between be provided with gravity adjusting device, the gravity adjusting device includes center of gravity adjustment seat, is sky inside the center of gravity adjustment seat
The center of gravity adjusting cavity of the heart, the interior center of gravity adjusting cavity are provided with circular adjustable track, slide and be provided on the adjustable track
It adjusts slide and center of gravity adjusts clump weight, the adjusting slide adjusts clump weight with center of gravity and is connected, the adjusting slide and adjusting
Adjusting driving device is provided between track.
Further, upper layer and lower layer is divided by horizontal baffle in the center of gravity adjusting cavity, every layer is both provided with a tune
Track is saved, the straight line where two adjusting slides intersects with the axis of adjustable track.
Further, the adjusting driving device includes the circular drive rack being arranged in center of gravity adjusting cavity, described
Drive rack is close to the outer shroud of adjustable track, is provided with driving arm on the adjusting slide, is arranged on the driving arm
There are driving gear, the driving gear to be engaged with drive rack, the connected driving of driving gear is provided on the driving arm
Motor.
Further, the gravity adjusting device further includes two pieces of center of gravity detection plates, and one of center of gravity detection plate is placed
Between hoistable platform and workbench, another piece then between lifting pedestal and center of gravity adjustment seat, in the center of gravity detection plate
It is provided with pressure sensor.
Further, the gravity adjusting device further includes the adjusting control chip being arranged in center of gravity adjusting cavity, described
Pressure sensor is electrical connected with adjusting control chip, and the adjusting control chip is connected with electric machine controller, the motor control
Device processed is connected with driving motor.
Further, the lifting pedestal is internally provided with four lock chambers, and the lock chamber described in four is to be distributed in liter
It drops on pedestal diagonal line, the lock chamber is the cylindrical-shaped structure tilted down.
Further, it is provided with supporting rod in the lock chamber, supporting cylinder, institute are provided at the top of the lock chamber
The output end for stating supporting cylinder is connected with supporting rod, and the lower end of the supporting rod is provided with support base, under the support base
End face is horizontal, while the accommodating groove for storing support base is provided on the lifting pedestal.
Further, it is provided with support chamber in the supporting rod, drilling sliding slot, institute are provided in the cavity wall of the support chamber
It states in drilling sliding slot and is provided with drilling slide, bore motor, the output end of the bore motor are provided on the drilling slide
Drilling slide is passed through straight down and is connected with drilling shaft.
Further, the support intracavitary is provided with driving plate, and driving via, the drilling are provided in the driving plate
Shaft thread is threaded through in driving via.
Further, the lower end of the drilling shaft is connected with drill bit, is provided on the support base and passes through for drill bit
Through-hole.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) present invention can detect the weight distribution of elevator by the way that gravity adjusting device is arranged and adjusts driving device
Situation is adjusted center of gravity in elevator off-centring so that the center of gravity of elevator is in safe range, to reinforce
The stability of elevator and safety；
(2) of the invention by the way that supporting rod is arranged, and in the lower end support base of supporting rod, since supporting rod is obliquely installed, four
The area of a support base and the constituted quadrangle of the contact point on ground is more than the interview of lifting pedestal, can enhance the steady of elevator
Qualitative, a new step promotes its security performance；
(3) present invention is easy to by the way that drilling shaft is arranged in supporting rod if the ground below elevator is muddy ground etc.
When the soft ground of drilling, bore motor work can make drilling pivoted downward, and the drill bit in drilling shaft lower end is arranged
It can drive in drilling shaft drilling ground so that elevator and ground are combined together, and are enhanced the stability of elevator, are prevented
Elevator skews, and promotes the security performance of elevator.Simultaneously because supporting rod is inclined, tilts and bore when that is to say drilling shaft
Enter in ground, no matter it is also all to be not easy to shake on vertical direction that the setting of this structure, which makes drilling shaft in the horizontal direction,
It is dynamic, to ensure the stability of elevator and ground combination.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the structural schematic diagram of gravity adjusting device of the present invention；
Fig. 3 is the structural schematic diagram of present invention support chamber；
Fig. 4 is the lifting pedestal structural schematic diagram of the present invention.
Figure label：
1- gravity adjusting devices；2- adjusts driving device；3- lifting pedestals；4- lifts；5- hoistable platforms；6- works
Platform；
101- center of gravity adjustment seats；102- center of gravity adjusting cavities；103- adjustable tracks；104- adjusts slide；105- centers of gravity are adjusted
Clump weight；106- horizontal baffles；107- center of gravity detection plates；108- pressure sensors；109- adjusting control chips；110- motors
Controller；
201- drive racks；202- driving arms；203- drives gear；204- driving motors；
301- lock chambers；302- supporting rods；303- supporting cylinders；304- support bases；305- accommodating grooves；306- is supported
Chamber；307- drilling sliding slots；308- drilling slides；309- bore motors；310- drilling shafts；311- driving plates；312- drove
Hole；313- through-holes；314- drill bits.
Specific implementation mode
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 describes, 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.
As shown in Figure 1 to Figure 3, the present invention provides a kind of construction hydraulic lifter, including lifting pedestal 3,
It is provided with lift 4 on the lifting pedestal 3, the upper end of the lift 4 is provided with hoistable platform 5, on the hoistable platform 5
It is provided with workbench 6, gravity adjusting device 1, the gravity adjusting device are provided between the lifting pedestal 3 and lift 4
1 includes center of gravity adjustment seat 101, and 101 inside of the center of gravity adjustment seat is hollow center of gravity adjusting cavity 102, and the interior center of gravity is adjusted
Chamber 102 is provided with circular adjustable track 103, is slided on the adjustable track 103 and is provided with adjusting slide 104 and center of gravity adjusting
Clump weight 105, the adjusting slide 104 adjust clump weight 105 with center of gravity and are connected, the adjusting slide 104 and adjustable track
It is provided between 103 and adjusts driving device 2, divided for upper layer and lower layer by horizontal baffle 106 in the center of gravity adjusting cavity 102, often
Layer is both provided with an adjustable track 103, and two straight lines for adjusting 104 place of slide intersect with the axis of adjustable track 103.
When using elevator, staff or weight rest on workbench 6, for placing weight, if weight point
Cloth is uneven, can make the offset of elevator, to influence the balance of elevator, is easy that elevator is made to tilt or skew, to lifting
The use of machine brings dangerous and inconvenient.In the present invention, adjusting when driving device 2 operates can make adjusting slide 104 in buffer rail
It slides on road 103, is slided on adjustable track 103 to drive center of gravity to adjust clump weight 105, that is to say that changing the heart adjusts counterweight
Position of the block 105 in center of gravity adjusting cavity 102, and then change the weight distribution of center of gravity adjustment seat 101, when weight on workbench 6
When being unevenly distributed, gravity adjusting device 1 is driven to operate by adjusting driving device 2 so that the weight distribution of elevator is uniform, from
And promote the security performance of elevator.
As shown in figures 1 and 3, in the present invention, the adjusting driving device 2 includes being arranged in center of gravity adjusting cavity 102
Circular drive rack 201, the drive rack 201 is close to the outer shroud of adjustable track 103, on the adjusting slide 104
It is provided with driving arm 202, driving gear 203, the driving gear 203 and sliding tooth are provided on the driving arm 202
Item 201 engages, and the connected driving motor 204 of driving gear 203 is provided on the driving arm 202.
In adjusting driving device 2 in the present invention, driving motor 204 can drive the driving gear being attached thereto when working
203 rotations, since driving gear 203 is engaged with drive rack 201, and the engagement of drive rack 201 is fixed on center of gravity adjusting cavity 102
Interior, position is kept fixed, so adjusting slide 104 can be made to be moved on adjustable track 103 when driving gear 203 to rotate,
And then center of gravity is driven to adjust clump weight 105 on adjustable track 103, that is to say makes gravity adjusting device 1 operate.
It is worth noting that being divided for upper layer and lower layer by horizontal baffle 106 in center of gravity adjusting cavity 102, every layer is both provided with
One adjustable track 103, so being provided with two adjustable tracks 103 and two adjustable tracks 103 in center of gravity adjusting cavity 102 solely
Vertical running, does not interfere with each other, and the straight line where adjusting slide 104 due to two intersects with the axis of adjustable track 103, that is to say two
A both ends for adjusting slide 104 and being distributed in center of gravity adjusting cavity 103, and two adjust the driving of 104 modulated driving device 2 of slide
Direction is different so that gravity adjusting device 1 can carry out larger range of adjusting.
As depicted in figs. 1 and 2, in the present invention, the gravity adjusting device 1 further includes two pieces of center of gravity detection plates 107,
In one piece of center of gravity detection plate 107 be placed between hoistable platform 5 and workbench 6, another piece then be located at lifting pedestal 3 and center of gravity tune
Between saving seat 101, pressure sensor 108 is provided in the center of gravity detection plate 107, the gravity adjusting device 1 further includes setting
Set the adjusting control chip 109 in center of gravity adjusting cavity 102, the pressure sensor 108 and 109 electrical phase of adjusting control chip
Even, the adjusting control chip 109 is connected with electric machine controller 110, the electric machine controller 110 and 111 phase of driving motor
Even.
In the present invention, pressure sensor 108 can detect the stressing conditions of center of gravity detection plate 107, and the information is transmitted
To adjusting control chip 109, adjusting control chip 109 uses AT89C51 microcontrollers, divides the information after receiving information
Analysis is handled, and drives driving motor 111 to work by electric machine controller 110, and then make adjusting driving device 2 and center of gravity tune
Regulating device 1 operates, and achievees the purpose that adjust elevator center of gravity.In the above description, between hoistable platform 5 and workbench 6
Center of gravity detection plate 107 detect the gravity centre distribution situation for not carrying out elevator before center of gravity is adjusted, and positioned at lifting pedestal 3 and again
The detection of center of gravity detection plate 107 between heart adjustment seat 101 carries out the gravity centre distribution situation of elevator after center of gravity adjusting, prevents center of gravity
There is deviation in adjustment process, ensures the effect that center of gravity is adjusted.
As shown in Figure 1, in the present invention, the lifting pedestal 3 is internally provided with four lock chambers 301, described in four
Lock chamber 301 is to be distributed on 3 diagonal line of lifting pedestal, and the lock chamber 301 is the cylindrical-shaped structure tilted down, described solid
Determine to be provided with supporting rod 302 in chamber 301, the top of the lock chamber 301 is provided with supporting cylinder 303, the support hydraulic pressure
The output end of cylinder 303 is connected with supporting rod 302, and the lower end of the supporting rod 302 is provided with support base 304, the support base 304
Lower face it is horizontal, while the accommodating groove 305 for storing support base 304 is provided on the lifting pedestal 3.
In the present invention, when supporting cylinder 303 works, and output end stretches out, supporting rod 302 can be pushed along solid
Determine chamber 301 to move downwards so that supporting rod 302 and the support base 104 being arranged in 302 lower end of supporting rod move down, until branch
Until support seat 104 is contacted with ground.Since lock chamber 301 is obliquely installed, four support bases 104 and the contact point on ground are constituted
The area of quadrangle is more than the area of lifting pedestal 3, so as to enhance the stability of elevator.
As shown in Figure 1 and Figure 4, in the present invention, support chamber 306, the support chamber are provided in the supporting rod 302
It is provided with drilling sliding slot 307 in 306 cavity wall, drilling slide 308, the drilling slide are provided in the drilling sliding slot 307
Bore motor 309 is provided on 308, the output end of the bore motor 309 passes through drilling slide 308 and is connected with straight down
Drill shaft 310, and driving plate 311 is provided in the support chamber 306, and driving via 312 is provided in the driving plate 311,
310 screw thread of drilling shaft is threaded through in driving via 312, and the lower end of the drilling shaft 310 is connected with drill bit 311, institute
State be provided on support base 304 for drill bit 311 by through-hole 313.
In the present invention, if the ground of 104 lower section of support base is the ground that muddy ground etc. is easy to drilling, brill can also be controlled
Hole motor 309 works, and further strengthens the stability of elevator.Bore motor 309 can drive the brill being connected with straight line when working
Hole shaft 310 rotates, since drilling 310 screw thread of shaft is threaded through in the driving via 312 in driving plate 311, and driving plate 311
It is fixed in support chamber 306, so when the shaft 310 that drills rotates, can be moved up and down along the axial direction of support chamber 306, together
When due to bore motor 309 be fixed on drilling slide 308, drilling slide 308 setting drilling sliding slot 307 in, drill sliding slot 307
The moving direction that drilling slide 308 can be limited makes it that can only occur to be translatable and can not rotate, so when 310 edge of drilling shaft
The axial direction of support chamber 306 when moving up and down, slide 308 is drilled and bore motor 309 thereon can also move up and down, and
Since drilling slide 308 can not rotate, bore motor 309 will not follow drilling shaft 310 together, that is to say bore motor 309
The process that driving drilling shaft 310 rotates can be smoothed out.
In the above description, if the ground below elevator is the soft ground that muddy ground etc. is easy to drilling, bore motor
309 work can drive drilling shaft 310 to rotate down, and since the lower end of drilling shaft 310 is provided with drill bit 311, can make
The shaft 310 that drills more easily is crept into ground so that elevator and ground are combined together, and enhance the stabilization of elevator
Property, it prevents elevator from skewing, promotes the security performance of elevator.Simultaneously because supporting rod 302 is inclined, it that is to say that drilling turns
It tilts and is pierced in ground when axis 310, no matter it is also perpendicular that the setting of this structure, which makes drilling shaft 310 in the horizontal direction,
Histogram is all not easy to shake upwards, to ensure the stability of elevator and ground combination.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (10)
1. a kind of construction hydraulic lifter, including lifting pedestal (3), lifting is provided on the lifting pedestal (3)
Terraced (4), the upper end of the lift (4) are provided with hoistable platform (5), workbench (6) are provided on the hoistable platform (5),
It is characterized in that：Gravity adjusting device (1) is provided between the lifting pedestal (3) and lift (4), the center of gravity adjusts dress
It includes center of gravity adjustment seat (101) to set (1), is hollow center of gravity adjusting cavity (102) inside the center of gravity adjustment seat (101), described
Interior center of gravity adjusting cavity (102) is provided with circular adjustable track (103), is slided on the adjustable track (103) and is provided with adjusting
Slide (104) and center of gravity adjust clump weight (105), and the adjusting slide (104) adjusts clump weight (105) with center of gravity and is connected, institute
It states to adjust to be provided between slide (104) and adjustable track (103) and adjusts driving device (2).
2. a kind of construction hydraulic lifter according to claim 1, it is characterised in that：The center of gravity adjusting cavity
(102) upper layer and lower layer is divided by horizontal baffle (106) in, every layer is both provided with an adjustable track (103), and two adjust cunning
Straight line where seat (104) intersects with the axis of adjustable track (103).
3. a kind of construction hydraulic lifter according to claim 1, it is characterised in that：The adjusting driving dress
It includes the circular drive rack (201) being arranged in center of gravity adjusting cavity (102) to set (2), and the drive rack (201) is close to
The outer shroud of adjustable track (103) is provided with driving arm (202), the driving arm (202) on the adjusting slide (104)
On be provided with driving gear (203), the driving gear (203) engages with drive rack (201), the driving arm (202)
On be provided with the connected driving motor (204) of driving gear (203).
4. a kind of construction hydraulic lifter according to claim 1, it is characterised in that：The center of gravity adjusts dress
It further includes two pieces of center of gravity detection plates (107) to set (1), and one of center of gravity detection plate (107) is placed on hoistable platform (5) and work
Between platform (6), another piece then between lifting pedestal (3) and center of gravity adjustment seat (101), in the center of gravity detection plate (107)
It is provided with pressure sensor (108).
5. a kind of construction hydraulic lifter according to claim 4, it is characterised in that：The center of gravity adjusts dress
It further includes the adjusting control chip (109) being arranged in center of gravity adjusting cavity (102), the pressure sensor (108) and tune to set (1)
Section control chip (109) is electrical connected, and the adjusting control chip (109) is connected with electric machine controller (110), the motor control
Device (110) processed is connected with driving motor (204).
6. a kind of construction hydraulic lifter according to claim 1, it is characterised in that：The lifting pedestal
(3) four lock chambers (301) are internally provided with, the lock chamber (301) described in four is to be distributed in lifting pedestal (3) diagonal line
On, the lock chamber (301) is the cylindrical-shaped structure tilted down.
7. a kind of construction hydraulic lifter according to claim 6, it is characterised in that：The lock chamber
(301) it is provided with supporting rod (302) in, supporting cylinder (303), the support are provided at the top of the lock chamber (301)
The output end of hydraulic cylinder (303) is connected with supporting rod (302), and the lower end of the supporting rod (302) is provided with support base (304),
The lower face of the support base (304) is horizontal, while being provided on the lifting pedestal (3) for storing support base (304)
Accommodating groove (305).
8. a kind of construction hydraulic lifter according to claim 7, it is characterised in that：The supporting rod
(302) it is provided with support chamber (306) in, drilling sliding slot (307), the drilling are provided in the cavity wall of the support chamber (306)
It is provided with drilling slide (308) in sliding slot (307), bore motor (309), the brill are provided on the drilling slide (308)
The output end of hole motor (309) passes through drilling slide (308) and is connected with drilling shaft (310) straight down.
9. a kind of construction hydraulic lifter according to claim 8, it is characterised in that：The support chamber
(306) it is provided with driving plate (311) in, driving via (312), the drilling shaft are provided on the driving plate (311)
(310) screw thread is threaded through in driving via (312).
10. a kind of construction hydraulic lifter according to claim 8, it is characterised in that：The drilling shaft
(310) lower end is connected with drill bit (314), be provided on the support base (304) for drill bit (311) by through-hole
(313)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810555235.5A CN108726326A (en) | 2018-06-01 | 2018-06-01 | A kind of construction hydraulic lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810555235.5A CN108726326A (en) | 2018-06-01 | 2018-06-01 | A kind of construction hydraulic lifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108726326A true CN108726326A (en) | 2018-11-02 |
Family
ID=63931528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810555235.5A Pending CN108726326A (en) | 2018-06-01 | 2018-06-01 | A kind of construction hydraulic lifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108726326A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110775784A (en) * | 2019-11-28 | 2020-02-11 | 日立电梯（中国）有限公司 | Car unbalance loading adjusting device, elevator and car unbalance loading adjusting method |
| CN112479093A (en) * | 2020-11-27 | 2021-03-12 | 浙江绩丰机械有限公司 | Elevator for construction machinery |
| CN113756560A (en) * | 2021-09-10 | 2021-12-07 | 佛山环球电力设备有限公司 | Aloft work anti-falling device and using method thereof |
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| CN105858536A (en) * | 2016-05-23 | 2016-08-17 | 国网山东省电力公司莱阳市供电公司 | Electric power overhaul lifting platform |
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| CN204079369U (en) * | 2014-06-18 | 2015-01-07 | 华中电网有限公司 | A kind of mobile insulation scissor lifting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110775784A (en) * | 2019-11-28 | 2020-02-11 | 日立电梯（中国）有限公司 | Car unbalance loading adjusting device, elevator and car unbalance loading adjusting method |
| CN112479093A (en) * | 2020-11-27 | 2021-03-12 | 浙江绩丰机械有限公司 | Elevator for construction machinery |
| CN113756560A (en) * | 2021-09-10 | 2021-12-07 | 佛山环球电力设备有限公司 | Aloft work anti-falling device and using method thereof |
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Application publication date: 20181102 |
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