CN207524773U - A kind of spiral straight top type safe elevator - Google Patents
A kind of spiral straight top type safe elevator Download PDFInfo
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- CN207524773U CN207524773U CN201720953789.1U CN201720953789U CN207524773U CN 207524773 U CN207524773 U CN 207524773U CN 201720953789 U CN201720953789 U CN 201720953789U CN 207524773 U CN207524773 U CN 207524773U
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Abstract
The utility model is related to a kind of spiral straight top type safe elevators, including elevator support guide rail bracket, the lift car slided up and down along elevator support guide rail bracket, elevator is surrounded by elevator support guide rail bracket, several limit sensors are distributed with along the short transverse of elevator support guide rail bracket on the elevator support guide rail bracket, the bottom of the lift car is connected with the spiral lift that lift car is driven to lift and is fixed on the ground of elevator bottom, further includes to be connected with limit sensors with the controller that spiral lift is controlled to operate.The structure design of the utility model is reasonable, and spaces compact simplifies elevator configuration, lifting force is provided from lift car bottom using spiral lift, so as to effectively solve the problems, such as that lift car falls；It employs spring Flat belt and forms spiral cylinder realization lifting with flute profile spring screw occlusion, solve the technical barrier that traditional elevating mechanism occupies larger bulk, high stability.
Description
Technical field
The utility model is related to elevator lifting technical field, specifically a kind of spiral straight top type safe elevator.
Background technology
Elevator is applied extremely widespread in people's lives, high building house, store etc., to the producing of people, is given birth to
Work brings great convenience.
Modem elevator is mainly by traction machine winch, guide rail, counterweight, safety device (such as limiter of speed, safety tongs and buffering
Device etc.), signal manipulation system, the compositions such as car and hall door.These parts are separately mounted in the hoistway and computer room of building.It is logical
Frequently with Wire Friction Driving, steel wire rope bypasses traction sheave, and both ends connect car and balance weight, motor drive traction respectively
Wheel lifts car.But this elevator the phenomenon that still falling there are car, also often there is elevator in actual life therefore
Barrier or casualty accident, need periodic maintenance and maintenance.
The principle of the screw type elevator released recently, mostly side screw connection babinet raising and lowering, but screw rod
Traditional noise is big, and for the high precision machining of screw rod, manufacturing cost is high, and the length of screw rod is needed with adjustable height
Match, occupy larger space, can not also solve the problems, such as that car falls.
Invention content
The technical problem to be solved by the utility model is to provide a kind of spiral straight top type safe elevators.
Technical problem to be solved in the utility model is realized using following technical scheme：
A kind of spiral straight top type safe elevator, including elevator support guide rail bracket, along elevator support guide rail bracket above and below
The lift car of slip surrounds elevator by elevator support guide rail bracket, is led on the elevator support guide rail bracket along elevator support
Several limit sensors are distributed in the short transverse of rail gantry, and the bottom of the lift car, which is connected with, drives lift car to lift
And the spiral lift on the ground of elevator bottom is fixed on, it further includes to be connected to control spiral lifting with limit sensors
The controller of machine operating.
The height sensor being connected with controller is mounted at the top and bottom of the lift car.
The controller is PLC.
The lift car is equipped with the car guide rail being slidably matched with elevator support guide rail bracket.
Elevator protective device to protect spiral lift limit inferior is installed on the bottom ground of elevator；It rises
Drop machine protective device is top limited post made of rubber material.
Buffer unit is installed between the spiral lift and lift car.
The buffer unit is spring or rubber pad.
The spiral lift include fixed pedestal, around fixed pedestal rotation platform, on platform
Storage box, the spring Flat belt being stored in storage box coordinate composition spiral in fixed pedestal and with spring Flat belt
The flute profile spring of cylinder, the belt track lifting machine for being used to fetter the lifting of flute profile spring or contractile motion on platform
Structure, the rail-guided frame for spring Flat belt to be made to be engaged with flute profile spring.
The platform includes the storage box that is mounted on fixed pedestal upper end and can be rotated relatively freely between storage box
Bracket, the driving force input mechanism mounted on storage box bracket lower face, the motor that is connected with driving force input mechanism.
The driving force input mechanism is any one of sprocket wheel, worm gear.
Along the length direction of spring Flat belt equipped with two rows of uniform with holes on the spring Flat belt；The flute profile bullet
Uniformly being provided on spring item can be with the tooth of corresponding occlusion with holes.
The belt track lifting mechanism include lifting cylinder, lifting cylinder upper edge the axis direction of itself be equipped be used for
Limiting roller that is being oriented to the lifting of flute profile spring and forming double helical arrangement.
The recessing groove passed through when being lifted for flute profile spring is offered on the storage box bracket.
The rail-guided frame includes several guiding trestles being circumferentially distributed, is oriented to branch mounted on corresponding
Formation screw pitch is identical with spiral cylinder on frame and makes what spring Flat belt was engaged with flute profile spring to squeeze spring Flat belt
Several fixture blocks.
The rail-guided frame includes distribution coaxial with belt track lifting mechanism and is in the cricoid outrigger of non-close, along outer
Several blocks that the madial wall uniform spiral of frame is distributed and screw pitch is identical with the screw pitch of spiral cylinder.
The beneficial effects of the utility model are：The structure design of the utility model is reasonable, spaces compact, simplifies elevator structure
It makes, instead of traditional steel wire rope pull, screw type elevator, is greatly saved space, using spiral lift from elevator
Cage bottom provides lifting force, so as to effectively solve the problems, such as that lift car falls, compensates for traditional elevator safety not
The defects of sufficient；Meanwhile employ spring Flat belt and form spiral cylinder realization lifting with flute profile spring screw occlusion, it solves
Traditional elevating mechanism occupies the technical barrier of larger bulk, and lifting force will not be due to the increase of the height of lifting
Become smaller suddenly, high stability.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the overall structure diagram of the utility model；
A kind of dimensional structure diagram of embodiment of the spiral lift of Fig. 2 the utility model；
Fig. 3 is a kind of internal structure schematic diagram of embodiment of the spiral lift of the utility model；
Fig. 4 is a kind of vertical view of embodiment of the spiral lift of the utility model；
Fig. 5 is a kind of birds-eye perspective of embodiment of the spiral lift of the utility model；
Fig. 6 is that a kind of embodiment of the spiral lift of the utility model removes the main view perspective after fixed pedestal
Figure；
Fig. 7 is a kind of structure diagram of the storage box bracket of embodiment of the spiral lift of the utility model；
Fig. 8 is the structure diagram of the spiral lift and drop machine protective device of the utility model；
Fig. 9 is the dimensional structure diagram of the another embodiment of the spiral lift of the utility model；
Figure 10 is the front view of the another embodiment of the spiral lift of the utility model；
Figure 11 is the half sectional view of the another embodiment of the spiral lift of the utility model；
Figure 12 is the full sectional view of the another embodiment of the spiral lift of the utility model.
Specific embodiment
In order to be easy to understand technical means, creative features, achievable purpose and effectiveness of the utility model, under
It is expanded on further in face of the utility model.
As shown in Figures 1 to 6, a kind of spiral straight top type safe elevator, including elevator support guide rail bracket 17, along electricity
The lift car 18 that terraced supporting guide frame 17 slides up and down surrounds elevator 25, the elevator branch by elevator support guide rail bracket 17
Several limit sensors 19, the elevator car is distributed with along the short transverse of elevator support guide rail bracket 17 on support guide rail bracket 17
The bottom in compartment 18 is connected with the spiral lift 24 that lift car 18 is driven to lift and is fixed on 25 bottom ground of elevator, also
Including to be connected with limit sensors 19 with control spiral lift 24 operate controller.The utility model passes through spiral liter
Drop machine 24 provides support force from the bottom of lift car 18, and lifting stability is superior, and no any fierceness teetertotters phenomenon, resists
Impact capacity is strong, and security performance is high.
The top and bottom of the lift car 18 are mounted on the height sensor being connected with controller 20.Limiting sensing
The signal got is passed to controller by device 19 and height sensor 20, the i.e. controllable spiral lift 24 of controller operate or
Person brakes, and lift car 18 is driven to lift or brake with synchronous.
The controller is PLC.
The lift car 18 is equipped with the car guide rail 5 being slidably matched with elevator support guide rail bracket 17, in this way in spiral
Under the drive of elevator 24, guiding that lift car 18 can be slidably matched along car guide rail 5 and elevator support guide rail bracket 17
Effect is lower to be lifted.
It is equipped on the bottom ground of elevator 25 and protects dress to the elevator protected 24 limit inferior of spiral lift
Put 22；Elevator protective device 22 is top limited post made of rubber material.
Buffer unit 23 is installed between the spiral lift 24 and lift car 18.
The buffer unit is spring or rubber pad, so as to be played between spiral lift 24 and lift car 18
Buffering, shockproof effect.
There are two types of embodiments for the spiral lift of the utility model, as follows respectively：
Embodiment one：
As shown in Fig. 2 to Fig. 8, the spiral lift 24 includes fixed pedestal, around the flat of fixed pedestal rotation
Platform, the storage box 6 on platform, the spring Flat belt 1 being stored in storage box 6, in fixed pedestal and with bullet
Spring Flat belt 1 cooperation form spiral cylinder flute profile spring 2, on platform for fetter flute profile spring 2 lift or
The belt track lifting mechanism 3 of contractile motion, the rail-guided frame 4 for spring Flat belt 1 to be made to be engaged with flute profile spring 2.Outside
Boundary's power drives platform to rotate, and then belt track lifting mechanism 3 is driven to rotate, and belt track lifting mechanism 3 makes flute profile spring 2 exist
It is lifted under the guiding role of belt track lifting mechanism 3, and 1 spiral of sync pulling spring Flat belt rises, in track leading truck 4
Spring Flat belt 1 is engaged with flute profile spring 2 and forms spiralling cylinder under squeezing-pushing action.
The fixed pedestal includes elevating mechanism pedestal 10, is vertically installed on elevating mechanism pedestal 10 by revolute pair
The stress support staving 5 at end, several mounting brackets 11 for limiting the revolution degree of freedom of flute profile spring 2.The utility model
Mounting bracket 11 can prevent flute profile spring 2 from being turned round during lifting, if flute profile spring 2 turns round, meeting
Leading to 2 idle running of spring Flat belt 1 and flute profile spring, i.e. idle running can lead to not realize lifting work(without having ascending motion
Energy.
The platform includes the storage box bracket 7 mounted on fixed pedestal upper end, mounted on 7 lower face of storage box bracket
Driving force input mechanism 8, the motor 26 that is connected with driving force input mechanism 8.Exterior power drives driving force input mechanism 8,
So as to drive storage box bracket 7, you can belt track lifting mechanism 3 is driven to rotate.
The driving force input mechanism 8 is any one of sprocket wheel, worm gear.
On the spring Flat belt 1 the equally distributed 1a with holes of several rows is equipped with along the length direction of spring Flat belt 1；
Uniformly be provided on the flute profile spring 2 can occlusion corresponding with 1a with holes tooth 2a.Flute profile spring 2 is in the process of rising
In new tooth 2a is constantly made to bite on spring Flat belt 1 in new 1a with holes, you can realize the constantly soaring of spiral cylinder.
The belt track lifting mechanism 3 includes lifting cylinder 3a, is set on lifting cylinder 3a along the axis direction of itself
It is useful for lifting flute profile spring 2 limiting roller 3b that is being oriented to and forming double helical arrangement, double helical arrangement
On two limiting roller 3b coordinated in pairs between spacing be more than the thickness of flute profile spring 2.The flute profile spring 2 exists
The rotary force of lifting cylinder 3a is lifted up under driving along the limiting roller 3b of double helical arrangement.The utility model employs
The guiding that the limiting roller 3b of double helical arrangement lifts flute profile spring 2, effectively prevents flute profile spring 2 and exists
Shaking and dislocation in lifting process ensure that the accuracy and stability of movement, can just make tooth 2a corresponding with 1a with holes in this way
Occlusion.
The lifting cylinder 3a is mounted on 5 upper end of stress support staving, the limiting roller 3b can around with lifting post
The junction rotation of body 3a.
The limiting roller 3b is roller bearing.
The recessing groove 15 passed through when being lifted for flute profile spring 2 is offered on the storage box bracket 7, just can guarantee in this way
The elevating movement of flute profile spring 2 and the rotary motion of storage box bracket 7 are not interfered, reasonable in design.
7 upper end of storage box bracket is circumferentially uniformly provided with several for matching with 6 bottom of storage box
The storage box bottom bearings 14 of conjunction are uniformly disposed with several on the circumferencial direction of the storage box 6 mounted on storage box
The storage box external bearings frame 13 of 7 upper end of bracket, the benefit of such structure design are：Ensure that storage box 6 can be flat with spring
The elastic strength of flat rubber belting 1 arbitrarily rotates.
The rail-guided frame 4 includes several guiding trestles 4a being circumferentially distributed, is led mounted on corresponding
It is identical with spiral cylinder and make spring Flat belt 1 and flute profile spring to squeeze spring Flat belt 1 that screw pitch is formed on stent 4a
Several fixture blocks 4b that item 2 is engaged.The fixture block 4b be staggered on spring Flat belt 1 be engaged with flute profile spring 2 position and with bullet
The lateral surface of spring Flat belt 1 offsets, and can make spring Flat belt 1 gradually close to flute profile spring 2 using fixture block 4b and finally make
Spring Flat belt 1 is interlocked with flute profile spring 2.
Further, the fixture block 4b quantity installed on each guiding trestle 4a is two or three.
The axis for the cylindricality that the flute profile spring 2 stacks is overlapped with the axis of stress support staving 5.The utility model
Flute profile spring 2 be stacked together after, the tooth of tooth 2a in each screw pitch and the same position in adjacent screw pitch is vertical
It is overlapped on direction, is that the tooth 2a after flute profile spring 2 is stacked together constitutes rows of perpendicular straight arranged strips, then lead in this way
It crosses mounting bracket 11 to be stuck between strip and strip, you can prevent flute profile spring 2 from being turned round during lifting.
The upper end of the spiral cylinder is connected with fixed chuck 9 at the top of lifting body, and fixed chuck 9 is upper at the top of lifting body
End can be used to carrying object, in order to ensure the security reliability of entire elevating movement.
Under the utility model is also equipped on elevating mechanism pedestal 10 to decline to fixed chuck at the top of lifting body 9
The elevator protective device 22 that extreme position is defined, referring specifically to Fig. 8, fixed chuck 9 would not at the top of such lifting body
Continue to decline, play good protective effect.
The upper end of the elevating mechanism pedestal 10 is equipped with fixed seat 16.
Embodiment two：
As shown in Fig. 9 to Figure 12, the spiral lift 24 includes fixed pedestal, around the flat of fixed pedestal rotation
Platform, the storage box 6 on platform, the spring Flat belt 1 being stored in storage box 6, in fixed pedestal and with bullet
Spring Flat belt 1 cooperation form spiral cylinder flute profile spring 2, on platform for fetter flute profile spring 2 lift or
The belt track lifting mechanism 3 of contractile motion, the rail-guided frame 4 for spring Flat belt 1 to be made to be engaged with flute profile spring 2.Outside
Boundary's power drives platform to rotate, and then belt track lifting mechanism 3 is driven to rotate, and belt track lifting mechanism 3 makes flute profile spring 2 exist
It is lifted under the guiding role of belt track lifting mechanism 3, and 1 spiral of sync pulling spring Flat belt rises, in track leading truck 4
Spring Flat belt 1 is engaged with flute profile spring 2 and forms spiralling cylinder under squeezing-pushing action.
The fixed pedestal includes elevating mechanism pedestal 10, is vertically installed on elevating mechanism pedestal 10 by revolute pair
The stress support staving 5 at end.
The lower end of the platform, which is equipped with, to be connected and with the stress of fixed pedestal support staving 5 will be in superposed state
The outer cage 101 that covers of flute profile spring 2.
The platform include by outer cage 101 be mounted on fixed pedestal upper end and between storage box 6 can it is opposite oneself
Storage box bracket 7 by rotating, driving force input mechanism 8 and driving force input mechanism mounted on 7 lower face of storage box bracket
8 connected motors 26.Exterior power drives driving force input mechanism 8, so as to drive storage box bracket 7, you can drives belt track
Lifting mechanism 3 rotates.
The driving force input mechanism 8 is any one of sprocket wheel, worm gear.
On the spring Flat belt 1 two rows of uniform 1a with holes are equipped with along the length direction of spring Flat belt 1；The tooth
Uniformly be provided on type spring 2 can occlusion corresponding with 1a with holes tooth 2a.Flute profile spring 2 is continuous during rising
New tooth 2a is made to bite on spring Flat belt 1 in new 1a with holes, you can realize the constantly soaring of spiral cylinder.
The belt track lifting mechanism 3 includes lifting cylinder 3a, is set on lifting cylinder 3a along the axis direction of itself
It is useful for lifting flute profile spring 2 limiting roller 3b that is being oriented to and forming double helical arrangement, double helical arrangement
On two limiting roller 3b coordinated in pairs between spacing be more than the thickness of flute profile spring 2.The flute profile spring 2 exists
The rotary force of lifting cylinder 3a is lifted up under driving along the limiting roller 3b of double helical arrangement.The utility model employs
The guiding that the limiting roller 3b of double helical arrangement lifts flute profile spring 2, effectively prevents flute profile spring 2 and exists
Shaking and dislocation in lifting process ensure that the accuracy and stability of movement, can just make tooth 2a corresponding with 1a with holes in this way
Occlusion.
The lifting cylinder 3a is mounted on 5 upper end of stress support staving, the limiting roller 3b can around with lifting post
The junction rotation of body 3a.
The limiting roller 3b is roller bearing.
7 upper end of storage box bracket is circumferentially uniformly provided with several for matching with 6 bottom of storage box
The storage box bottom bearings 14 of conjunction are uniformly disposed with several on the circumferencial direction of the storage box 6 mounted on storage box
The storage box external bearings frame 13 of 7 upper end of bracket, the benefit of such structure design are：Ensure that storage box 6 can be flat with spring
The elastic strength of flat rubber belting 1 arbitrarily rotates.
The rail-guided frame 4 includes distribution coaxial with belt track lifting mechanism 3 and in the cricoid outrigger 4c of non-close, edge
The madial wall uniform spiral distribution of outrigger 4c and several blocks 4d that screw pitch is identical with the screw pitch of spiral cylinder.
Further, the block 4d is staggered on spring Flat belt 1 and position and flat with spring is engaged with flute profile spring 2
It offsets with 1 lateral surface, can make spring Flat belt 1 gradually close to flute profile spring 2 using block 4d and finally makes spring flat
Flat rubber belting 1 is interlocked with flute profile spring 2.
The outrigger 4c is equipped with notch 102, during track leading truck 4 rotates, the spring in storage box 6
Flat belt 1 may pass through notch 102 and enter in rail-guided frame 4, and so as to be engaged with flute profile spring 2, structure design is closed
Reason, will not cause to interfere during the motion.
The axis for the cylindricality that the flute profile spring 2 stacks is overlapped with the axis of stress support staving 5.The utility model
Flute profile spring 2 be stacked together after, the tooth of tooth 2a in each screw pitch and the same position in adjacent screw pitch is vertical
It is overlapped on direction, is that the tooth 2a after flute profile spring 2 is stacked together constitutes rows of perpendicular straight arranged strips in this way.
The upper end of the spiral cylinder is connected with fixed chuck 9 at the top of lifting body, and fixed chuck 9 is upper at the top of lifting body
End can be used to carrying object, in order to ensure the security reliability of entire elevating movement.
During work, after the limit sensors 19 positioned at 17 the top of elevator support guide rail bracket get signal, then feed back
To PLC, PLC sends out instruction control motor 26 and brakes, and such lift car 18 then stops rising；Height sensor 20 will sense
Signal passes to PLC, and PLC analyses obtain the number of plies residing for lift car；It is distributed in the limit at middle part on elevator support guide rail bracket 17
Level sensor 19 then feeds back to PLC after sensing signal, and PLC analyses obtain the location of lift car；It is distributed in elevator branch
Support 17 the lowermost limit sensors 19 of guide rail bracket then feed back to PLC after sensing signal, and PLC then controls motor 26 to brake, electricity
Terraced car stops declining, and plays the role of safeguard protection.
The advantages of basic principle, main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only the utility model principle, on the premise of not departing from the spirit and scope of the utility model, the utility model also has
Various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The requires of the utility model
Protection domain is defined by the appending claims and its equivalent thereof.
Claims (10)
1. a kind of spiral straight top type safe elevator, including elevator support guide rail bracket (17), along elevator support guide rail bracket
(17) lift car (18) slided up and down surrounds elevator (25) by elevator support guide rail bracket (17), it is characterised in that：It is described
Several limit sensors are distributed with along the short transverse of elevator support guide rail bracket (17) on elevator support guide rail bracket (17)
(19), the bottom of the lift car (18), which is connected with, drives lift car (18) lifting and is fixed on elevator (25) bottomland
Spiral lift (24) on face further includes to be connected what is operated to control spiral lift (24) with limit sensors (19)
Controller is mounted on the height sensor being connected with controller (20) at the top and bottom of the lift car (18).
2. a kind of spiral straight top type safe elevator according to claim 1, it is characterised in that：The elevator (25)
Bottom ground on elevator protective device (22) to protect spiral lift (24) limit inferior is installed.
3. a kind of spiral straight top type safe elevator according to claim 1, it is characterised in that：The spiral lift
(24) buffer unit (23) is installed between lift car (18).
4. a kind of spiral straight top type safe elevator according to claim 1, it is characterised in that：The spiral lift
(24) including fixed pedestal, around fixed pedestal rotation platform, the storage box (6) on platform, be stored in receipts
Spring Flat belt (1) in case (6) coordinates in fixed pedestal and with spring Flat belt (1) and forms spiral cylinder
Flute profile spring (2), the belt track lifting mechanism for being used to fetter flute profile spring (2) lifting or contractile motion on platform
(3), the rail-guided frame (4) for spring Flat belt (1) to be made to be engaged with flute profile spring (2).
5. a kind of spiral straight top type safe elevator according to claim 4, it is characterised in that：The platform includes peace
Storage box bracket (7) mounted in fixed pedestal upper end, the driving force input mechanism mounted on storage box bracket (7) lower face
(8), the motor (26) being connected with driving force input mechanism (8).
6. a kind of spiral straight top type safe elevator according to claim 5, it is characterised in that：The driving force input
Mechanism (8) is any one of sprocket wheel, worm gear.
7. a kind of spiral straight top type safe elevator according to claim 4, it is characterised in that：The spring Flat belt
(1) it is equally distributed (1a) with holes equipped with several rows along the length direction of spring Flat belt (1) on；The flute profile spring
(2) be uniformly provided on can occlusion corresponding with (1a) with holes tooth (2a).
8. a kind of spiral straight top type safe elevator according to claim 4, it is characterised in that：The belt track lifting
Mechanism (3) includes lifting cylinder (3a), is equipped on lifting cylinder (3a) along the axis direction of itself for flute profile spring
Limiting roller (3b) that is that item (2) lifting is oriented to and forming double helical arrangement, the limiting roller (3b) is Roller Shaft
It holds.
9. a kind of spiral straight top type safe elevator according to claim 4, it is characterised in that：The rail-guided frame
(4) including be circumferentially distributed several guiding trestles (4a), on corresponding guiding trestle (4a) form spiral shell
Away from identical with spiral cylinder and make spring Flat belt (1) with flute profile spring (2) if being engaged to squeeze spring Flat belt (1)
Dry fixture block (4b).
10. a kind of spiral straight top type safe elevator according to claim 4, it is characterised in that：It is described rail-guided
Frame (4) is including distribution coaxial with belt track lifting mechanism (3) and is in the cricoid outrigger of non-close (4c), along the interior of outrigger (4c)
Several blocks (4d) that side wall uniform spiral is distributed and screw pitch is identical with the screw pitch of spiral cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720953789.1U CN207524773U (en) | 2017-08-02 | 2017-08-02 | A kind of spiral straight top type safe elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720953789.1U CN207524773U (en) | 2017-08-02 | 2017-08-02 | A kind of spiral straight top type safe elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207524773U true CN207524773U (en) | 2018-06-22 |
Family
ID=62575712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720953789.1U Active CN207524773U (en) | 2017-08-02 | 2017-08-02 | A kind of spiral straight top type safe elevator |
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| Country | Link |
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| CN (1) | CN207524773U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107352350A (en) * | 2017-08-02 | 2017-11-17 | 芜湖昊葛金自动化科技有限公司 | A kind of spiral straight top type safe elevator |
-
2017
- 2017-08-02 CN CN201720953789.1U patent/CN207524773U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107352350A (en) * | 2017-08-02 | 2017-11-17 | 芜湖昊葛金自动化科技有限公司 | A kind of spiral straight top type safe elevator |
| WO2019024836A1 (en) * | 2017-08-02 | 2019-02-07 | 芜湖昊葛金自动化科技有限公司 | Spiral direct jacking safety lifting elevator |
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