CN108298400A - Safety protection apparatus for elevator and guard method - Google Patents
Safety protection apparatus for elevator and guard method Download PDFInfo
- Publication number
- CN108298400A CN108298400A CN201810035779.9A CN201810035779A CN108298400A CN 108298400 A CN108298400 A CN 108298400A CN 201810035779 A CN201810035779 A CN 201810035779A CN 108298400 A CN108298400 A CN 108298400A
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- China
- Prior art keywords
- elevator
- brake
- arm
- roof beam
- beam structure
- 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.)
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Classifications
-
- 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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/26—Positively-acting devices, e.g. latches, knives
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The present invention relates to safety protection apparatus for elevator and methods; safety protection apparatus for elevator; including steel wire rope, safety board, elevator well arm; safety board is fixed on elevator well arm; further include the elevator roof beam structure being fixedly connected with elevator, elevator roof beam structure is connected with brake apparatus described in the steel wire penetrating; the brake apparatus upper end is resisted against on elevator roof beam structure, and the brake apparatus lower end is connect by tension spring with elevator roof beam structure.The clever structure of safety protection apparatus for elevator of the present invention is reasonable, and in the moment that steel wire rope is broken suddenly, energy instantaneous starting completes the braking of elevator, safety durable.
Description
Technical field
The invention patent relates to elevators fields, and in particular to safety protection apparatus for elevator and method.
Background technology
In the prior art, it when disconnected rope situation occurs in elevator wire rope, by the safety tongs of elevator brake car, can incite somebody to action
Car is clamped on the sliding rail of elevator both sides, but the pincers reaction of general hydraulic safe is slow, and since lift car weight is big, safety
Pincers cannot be braked reliably, and other mechanical safety device, complicated, inconvenient maintenance, and safety coefficient are not yet
Height, existing safety protection apparatus for elevator still have larger room for improvement.
Invention content
The present invention relates to safety protection apparatus for elevator, if fracture can play elevator reliable system to the steel wire rope of elevator suddenly
Dynamic effect, reasonable for structure ingenious, brake safe.
The present invention is achieved by the following technical solutions:
Safety protection apparatus for elevator, including steel wire rope, safety board, elevator well arm, safety board are fixed on elevator well arm
On, further include the elevator roof beam structure being fixedly connected with elevator, elevator roof beam structure is connected with brake apparatus described in the steel wire penetrating,
The brake apparatus upper end is resisted against on elevator roof beam structure, and the brake apparatus lower end is connect by tension spring with elevator roof beam structure.
Through the above technical solutions, elevator operation up and down in elevator well arm, if wire cable rupture, brake apparatus is being drawn
Spring effect is lower to be started, and is snapped on safety board, is completed the reliable braking of elevator.
As a further improvement on the present invention, the brake apparatus include one can be vertically movable relative to elevator roof beam structure system
Moving frame, can relative to the first brake arm and the second brake arm of elevator roof beam structure transverse shifting, the brake bracket, the first brake arm and
It is both provided with rack on second brake arm, gear is provided on elevator, the gear is engaged with the rack on brake bracket, while
It is engaged with the rack on the first brake arm, the gear is also engaged with the rack on the second brake arm, the upper end of the brake bracket
The steel wire rope, the lower end of tension spring one end connection brake bracket are connected, the other end is connect with elevator roof beam structure.Pass through above-mentioned technology
Scheme, wire cable rupture, brake bracket move down under the action of tension spring relative to elevator roof beam structure, to be rotated with moving gear,
It is further driven to the first brake arm and the second brake arm while outward transverse shifting, hasp is in the safety board of elevator borehole wall
On, complete the braking of elevator.
As a further improvement on the present invention, the gear is located in the middle part of brake bracket, the rack setting on the brake bracket
It is set to the downside of the first brake arm in the rack on the medial surface that brake bracket is vertical, first brake arm, described the
Rack on two brake arms is set to the upside of the second brake arm.Through the above technical solutions, setting one gear, brake bracket with
First brake arm and the linkage of the second brake arm, linkage is sensitive, securely and reliably.
As a further improvement on the present invention, the outside end of first brake arm is bent downwardly setting, end face with
The downside surface of second brake arm flushes.Through the above technical solutions, two brake arms are used for the plane of hasp safety board
It flushes, eliminates the trouble that safety board is set to differentiated levels, meanwhile, stress is more flat when also can guarantee elevator brake
Weighing apparatus.
As a further improvement on the present invention, the vertical medial surface of the elevator roof beam structure is that the brake bracket is vertically movable
Guide surface.Through the above technical solutions, the inner frame of elevator roof beam structure is the vertically movable space of brake bracket, braking can be effectively limited
The movement of frame, meanwhile, may also set up the devices such as cover board makes brake bracket from deviating from out of elevator roof beam structure frame.
As a further improvement on the present invention, the gear includes first gear and second gear, on the brake bracket
Rack is set to two vertical lateral surfaces of brake bracket, and the rack on first brake arm is set to the upper of the first brake arm
Side, the rack on second brake arm are set to the upside of the second brake arm, the first gear and the one of the brake bracket
A lateral surface rack engagement, and engaged with the rack on first brake arm, the second gear is another with the brake bracket
One lateral surface rack engagement, and engaged with the rack on second brake arm.Through the above technical solutions, two teeth of setting
Wheel, the vertically movable transverse shifting that can equally drive the first brake arm and the second brake arm of brake bracket, it is ensured that safety arrestment.
As a further improvement on the present invention, in the first brake arm and the second brake arm transverse shifting on the elevator roof beam structure
Position be both provided with guide pipe.Through the above technical solutions, guide pipe cross sectional shape and the first brake arm and the second brake arm
Cross sectional shape matches, concretely non-circular, and the first brake arm and the second brake arm only can laterally be moved relative to elevator roof beam structure
It is dynamic and can not or rotation vertically movable relative to elevator roof beam structure, may also set up other structures makes the first brake arm and the second brake arm
From deviating from from elevator roof beam structure or rotating.
As a further improvement on the present invention, the facewidth of the gear is more than the thickness of the brake bracket or more than described the
The thickness of one brake arm and the second brake arm.Through the above technical solutions, the facewidth of gear can ensure that gear and brake bracket and with
First brake arm, the second brake arm positive engagement.
As a further improvement on the present invention, vertically movable for the brake bracket lead is provided on the elevator roof beam structure
Rail.Through the above technical solutions, brake bracket is vertically movable along guide rail, similarly, the first brake arm, can be set on elevator roof beam structure
The guide rail of two brake arm transverse shiftings.
As a further improvement on the present invention, the lower end of the brake apparatus is connected with clump weight.Pass through above-mentioned technical side
Case, clump weight are conducive to the steady movement of brake bracket, improve the reliability of safety arrestment.
The method of elevator safety protection,
Safety protection apparatus for elevator, including steel wire rope, safety board, elevator well arm, safety board are fixed on elevator well arm
On, further include the elevator roof beam structure being fixedly connected with elevator, elevator roof beam structure is connected with brake apparatus described in the steel wire penetrating,
The brake apparatus upper end is resisted against on elevator roof beam structure, and the brake apparatus lower end is connect by tension spring with elevator roof beam structure, braking
Device is adapted work with safety board;
The brake apparatus include one can be vertically movable relative to elevator roof beam structure brake bracket, can be horizontal relative to elevator roof beam structure
To mobile the first brake arm and the second brake arm, it is respectively provided on the brake bracket, the first brake arm and the second brake arm with teeth
Item is provided with gear on elevator, and the gear is engaged with the rack on brake bracket, while also being nibbled with the rack on the first brake arm
It closes, the gear is also engaged with the rack on the second brake arm, and the upper end of the brake bracket connects the steel wire rope, the tension spring
One end connects the lower end of brake bracket, and the other end is connect with elevator roof beam structure,
When wire cable rupture, tension spring pulls brake bracket to be moved down relative to elevator roof beam structure, and brake bracket moves downward, and passes through
The gear being arranged on elevator drives the first brake arm and the second brake arm transverse shifting, the first brake arm and the second brake arm to be buckled in
On the safety board of elevator well arm (10), the braking of elevator is completed.
According to safety protection apparatus for elevator of the present invention, structure safety is convenient for installation and maintenance, while in wire cable rupture
When, the effective brake of elevator can be completed, it is ensured that personnel safety in elevator and elevator.
For the above and other objects, features and advantages of the present invention can be clearer and more comprehensible, preferred embodiment cited below particularly,
And coordinate institute's accompanying drawings, it is described in detail below.
Description of the drawings
Fig. 1 is the safety protection apparatus for elevator schematic diagram that the embodiment of the present invention 1 provides;
Fig. 2 is schematic diagram of the safety protection apparatus for elevator that provides of the embodiment of the present invention 1 in wire cable rupture;
Fig. 3 is the safety protection apparatus for elevator schematic diagram that the embodiment of the present invention 2 provides;
Fig. 4 is schematic diagram of the safety protection apparatus for elevator that provides of the embodiment of the present invention 2 in wire cable rupture.
In figure:1 steel wire rope, 2 brake brackets, 3 elevator roof beams structure, 4 first brake arms, 5 gears, 6 second brake arms, 7 tension springs, 8
Clump weight, 9 safety boards, 10 elevator well arms, 21 inner racks, 22 first outer racks, 23 second outer racks, 41 times racks, 42
Two upper racks, 51 first gears, 52 second gears, 61 first upper racks.
Specific implementation mode
Further to illustrate that the present invention is the technological means and effect realized predetermined goal of the invention and taken, fasten below
Specific implementation mode, structure, feature and its effect according to the present invention is described in detail as after in attached drawing and preferred embodiment.
It should be noted that " upside ", " downside ", " outside ", " inside ", " upper end " and " lower end " can refer in the present invention
Upper and lower combine of Fig. 1 understands that these term positions are intended merely to be illustrated more clearly that the present invention program, can be not meant as only
One limits the technical solution that the present invention is protected.
Embodiment 1
Safety protection apparatus for elevator, please refers to Fig.1 and Fig. 2, including steel wire rope 1, safety board 9, elevator well arm 10, safety
Platform 9 is fixed on elevator well arm 10, further includes, the elevator roof beam structure 3 and brake apparatus being fixedly connected with elevator, brake apparatus
Including one can be vertically movable relative to elevator roof beam structure 3 brake bracket 2, can relative to 3 transverse shifting of elevator roof beam structure first braking
The upper end of arm 4 and the second brake arm 6, the brake bracket 2 connects the steel wire rope 1, and the upper end of brake bracket 2 is resisted against elevator roof beam structure
On 3,7 one end of the tension spring connects the lower end of brake bracket 2, and the other end is connect with elevator roof beam structure 3.
Gear 5 is set on elevator, and gear 5 is located at 2 middle part of brake bracket, and internal tooth is arranged in a vertical medial surface of brake bracket 2
Item 21, the lower rack 41 of downside setting of the first brake arm 4, the upside of the second brake arm 6 are arranged the first upper rack 61, gear 5 with
Inner rack 21, the first upper rack 61 and lower rack 41 engage;The outside end of first brake arm 4 is bent downwardly setting, end
Face is flushed with the downside surface of the second brake arm 6.The vertical medial surface of elevator roof beam structure 3, which is that the brake bracket 2 is vertically movable, leads
To face;The guide rail vertically movable for the brake bracket 2 is provided on elevator roof beam structure 3;The lower end of brake bracket 2 is connected with clump weight
8。
Specifically, schematic diagram when Fig. 1 is elevator normal use, schematic diagram when Fig. 2 is braked when being wire cable rupture.Steel
When cord is broken, tension spring 7 pulls brake bracket 2 to be moved down relative to elevator roof beam structure 3, i.e., inner rack 21 moves down, band moving teeth
Wheel 5 rotates counterclockwise, and then the first brake arm 4 is driven to be moved to the left along guide pipe, and then drives the second brake arm 6 along guide pipe
It moves right, two brake arm hasps complete the braking of elevator on the safety board 9 of elevator well arm 10.
Embodiment 2
Safety protection apparatus for elevator please refers to Fig. 3 and Fig. 4, including steel wire rope 1, safety board 9, elevator well arm 10, safety
Platform 9 is fixed on elevator well arm 10, further includes, the elevator roof beam structure 3 and brake apparatus being fixedly connected with elevator, the braking
Device include one can be vertically movable relative to elevator roof beam structure 3 brake bracket 2, can be relative to the first of 3 transverse shifting of elevator roof beam structure
The upper end of brake arm 4 and the second brake arm 6, the brake bracket 2 connects the steel wire rope 1, and the upper end of brake bracket 2 is resisted against elevator
On roof beam structure 3,7 one end of the tension spring connects the lower end of brake bracket 2, and the other end is connect with elevator roof beam structure 3.
First gear 51 and second gear 52 are set on elevator;The first external tooth is arranged in a vertical lateral surface of brake bracket 2
The second outer rack 23 is arranged in item 22, another lateral surface;The second upper rack 42, the second braking is arranged in the upside of first brake arm 4
The upside of arm 6 is also provided with rack, and first gear 51 is engaged with the first outer rack 22 of brake bracket 2, and first gear 51 is simultaneously with the
The second upper rack 42 engagement on one brake arm 4, second gear 52 are engaged with the second outer rack 23 of brake bracket 2, second gear
52 engage with the rack on the second brake arm 6 simultaneously;Vertically movable for the brake bracket 2 lead is provided on elevator roof beam structure 3
Rail;The lower end of brake bracket is connected with clump weight 8.
Specifically, schematic diagram when Fig. 3 is elevator normal use, schematic diagram when Fig. 4 is braked when being wire cable rupture.Steel
When cord is broken, tension spring 7 pulls brake bracket 2 to be moved down relative to elevator roof beam structure 3, i.e., the first outer rack 22 moves down, band
Dynamic first gear 51 rotates clockwise, and then the first brake arm 4 is driven to be moved to the left, and the second outer rack 23 moves down, and drives
Second gear 52 rotates counterclockwise, and then the second brake arm 6 is driven to move right, and two brake arm hasps are in elevator well arm 10
On safety board 9, the braking of elevator is completed.
Safety guard of the present invention is pure mechanic structure, and it is ingenious reasonable to be arranged, and two brake arms link with brake bracket, steel wire
Energy instantaneous starting, brake safe are reliable when fracture of rope.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed with preferred embodiment as above, and however, it is not intended to limit the invention, any those skilled in the art, not
It is detached within the scope of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent change
The equivalent embodiment of change, as long as being without departing from technical solution of the present invention content, according to the technical essence of the invention to implementing above
Any simple modification, equivalent change and modification made by example, in the range of still falling within technical solution of the present invention.
Claims (10)
1. safety protection apparatus for elevator, including steel wire rope (1), safety board (9), elevator well arm (10), safety board (9) are fixed on
On elevator well arm (10), which is characterized in that further include the elevator roof beam structure (3) being fixedly connected with elevator, the steel wire rope (1)
It is connected with brake apparatus across the elevator roof beam structure (3), the brake apparatus upper end is resisted against on elevator roof beam structure (3), the system
Dynamic device lower end is connect by tension spring (7) with elevator roof beam structure (3), and brake apparatus is adapted work with safety board (9).
2. safety protection apparatus for elevator as described in claim 1, which is characterized in that the brake apparatus includes one can be relative to
The vertically movable brake bracket (2) of elevator roof beam structure (3), can be relative to first brake arm (4) of elevator roof beam structure (3) transverse shifting and
Two brake arms (6) are both provided with rack on the brake bracket (2), the first brake arm (4) and the second brake arm (6), are set on elevator
It is equipped with gear, the gear is engaged with the rack on brake bracket (2), while also being engaged with the rack on the first brake arm (4), institute
It states gear also to engage with the rack on the second brake arm (6), the upper end of the brake bracket (2) connects the steel wire rope (1), described
Tension spring (7) one end connects the lower end of brake bracket (2), and the other end is connect with elevator roof beam structure (3).
3. safety protection apparatus for elevator as claimed in claim 2, which is characterized in that the gear is located in the middle part of brake bracket (2),
Rack on the brake bracket (2) is set to a vertical medial surface of brake bracket (2), the tooth on first brake arm (4)
Item is set to the downside of the first brake arm (4), and the rack on second brake arm (6) is set to the upper of the second brake arm (6)
Side.
4. safety protection apparatus for elevator as claimed in claim 3, which is characterized in that the outside end of first brake arm (4)
End is bent downwardly setting, and end face is flushed with the downside surface of second brake arm (6);The elevator roof beam structure (3) it is vertical
Medial surface is the vertically movable guide surface of the brake bracket (2).
5. safety protection apparatus for elevator as claimed in claim 2, which is characterized in that the gear include first gear (51) and
Second gear (52), the rack on the brake bracket (2) are set to two vertical lateral surfaces of brake bracket (2), first system
Rack on swing arm (4) is set to the upside of the first brake arm (4), and the rack on second brake arm (6) is set to second
The upside of brake arm (6), the first gear (51) are engaged with a lateral surface rack of the brake bracket (2), and with it is described
Rack engagement on first brake arm (4), the second gear (52) and another lateral surface rack of the brake bracket (2) are nibbled
It closes, and is engaged with the rack on second brake arm (6).
6. safety protection apparatus for elevator as claimed in claim 2, which is characterized in that in the first system on the elevator roof beam structure (3)
The position of swing arm (4) and the second brake arm (6) transverse shifting is both provided with guide pipe.
7. safety protection apparatus for elevator as claimed in claim 2, which is characterized in that the facewidth of the gear is more than the braking
The thickness of frame (2) or the thickness for being more than first brake arm (4) and the second brake arm (6).
8. the safety protection apparatus for elevator as described in claim 3 or 6, which is characterized in that be arranged on the elevator roof beam structure (3) useful
In the vertically movable guide rail of the brake bracket (2).
9. the safety protection apparatus for elevator as described in claim any one of 1-7, which is characterized in that the lower end of the brake apparatus connects
It is connected to clump weight (8).
10. the method for elevator safety protection, which is characterized in that
Safety protection apparatus for elevator, including steel wire rope (1), safety board (9), elevator well arm (10), safety board (9) are fixed on electricity
On stair shaft well arm (10), further include the elevator roof beam structure (3) being fixedly connected with elevator, the steel wire rope (1) passes through the elevator beam
Frame (3) is connected with brake apparatus, and the brake apparatus upper end is resisted against on elevator roof beam structure (3), and the brake apparatus lower end passes through
Tension spring (7) is connect with elevator roof beam structure (3), and brake apparatus is adapted work with safety board (9);
The brake apparatus include one can be vertically movable relative to elevator roof beam structure (3) brake bracket (2), can be relative to elevator roof beam structure
(3) the first brake arm (4) and the second brake arm (6) of transverse shifting, the brake bracket (2), the first brake arm (4) and the second system
It is both provided with rack on swing arm (6), gear is provided on elevator, the gear is engaged with the rack on brake bracket (2), while
It is engaged with the rack on the first brake arm (4), the gear is also engaged with the rack on the second brake arm (6), the brake bracket
(2) upper end connects the steel wire rope (1), the lower end of tension spring (7) one end connection brake bracket (2), the other end and elevator beam
Frame (3) connects,
Steel wire rope (1) be broken when, tension spring (7) pull brake bracket (2) moved down relative to elevator roof beam structure (3), brake bracket (2) to
Lower movement drives the first brake arm (4) and the second brake arm (6) transverse shifting, the first braking by the gear being arranged on elevator
Arm (4) and the second brake arm (6) are buckled on the safety board (9) of elevator well arm (10), complete the braking of elevator.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810035779.9A CN108298400A (en) | 2018-01-15 | 2018-01-15 | Safety protection apparatus for elevator and guard method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810035779.9A CN108298400A (en) | 2018-01-15 | 2018-01-15 | Safety protection apparatus for elevator and guard method |
Publications (1)
Publication Number | Publication Date |
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CN108298400A true CN108298400A (en) | 2018-07-20 |
Family
ID=62868809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810035779.9A Pending CN108298400A (en) | 2018-01-15 | 2018-01-15 | Safety protection apparatus for elevator and guard method |
Country Status (1)
Country | Link |
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CN (1) | CN108298400A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111332897A (en) * | 2020-03-20 | 2020-06-26 | 陈炳荣 | Construction elevator self-locking device based on special-shaped gear transmission principle |
CN114590755A (en) * | 2022-03-16 | 2022-06-07 | 樊星星 | Energy-saving lifting platform for construction with safeguard function |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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DE19833772A1 (en) * | 1998-07-17 | 2000-01-20 | Giesen Leana | Fall prevention device for rail-guided lifts (elevators) with grip for taut signal cable |
CN103159108A (en) * | 2011-12-13 | 2013-06-19 | 刘姚成 | Active type falling protector |
CN106081778A (en) * | 2016-06-26 | 2016-11-09 | 苏州中远电梯有限公司 | A kind of bidirectional braking device of the band warning function for elevator |
CN206345567U (en) * | 2017-01-05 | 2017-07-21 | 常熟理工学院 | A kind of elevator car braking apparatus for being easy to clamp |
CN107324174A (en) * | 2017-07-11 | 2017-11-07 | 福建意昂机电股份公司 | A kind of fall arrest elevator |
CN107344690A (en) * | 2017-08-29 | 2017-11-14 | 湖州高恒电梯配件有限公司 | A kind of elevator falling-proof brake device |
CN107352347A (en) * | 2017-08-29 | 2017-11-17 | 湖州高恒电梯配件有限公司 | A kind of safety device for elevator of good buffer effect |
-
2018
- 2018-01-15 CN CN201810035779.9A patent/CN108298400A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19833772A1 (en) * | 1998-07-17 | 2000-01-20 | Giesen Leana | Fall prevention device for rail-guided lifts (elevators) with grip for taut signal cable |
CN103159108A (en) * | 2011-12-13 | 2013-06-19 | 刘姚成 | Active type falling protector |
CN106081778A (en) * | 2016-06-26 | 2016-11-09 | 苏州中远电梯有限公司 | A kind of bidirectional braking device of the band warning function for elevator |
CN206345567U (en) * | 2017-01-05 | 2017-07-21 | 常熟理工学院 | A kind of elevator car braking apparatus for being easy to clamp |
CN107324174A (en) * | 2017-07-11 | 2017-11-07 | 福建意昂机电股份公司 | A kind of fall arrest elevator |
CN107344690A (en) * | 2017-08-29 | 2017-11-14 | 湖州高恒电梯配件有限公司 | A kind of elevator falling-proof brake device |
CN107352347A (en) * | 2017-08-29 | 2017-11-17 | 湖州高恒电梯配件有限公司 | A kind of safety device for elevator of good buffer effect |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111332897A (en) * | 2020-03-20 | 2020-06-26 | 陈炳荣 | Construction elevator self-locking device based on special-shaped gear transmission principle |
CN114590755A (en) * | 2022-03-16 | 2022-06-07 | 樊星星 | Energy-saving lifting platform for construction with safeguard function |
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