CN107459002A - Telescopic power equipment maintaining ladder - Google Patents
Telescopic power equipment maintaining ladder Download PDFInfo
- Publication number
- CN107459002A CN107459002A CN201710763093.7A CN201710763093A CN107459002A CN 107459002 A CN107459002 A CN 107459002A CN 201710763093 A CN201710763093 A CN 201710763093A CN 107459002 A CN107459002 A CN 107459002A
- Authority
- CN
- China
- Prior art keywords
- ladder
- base
- pull
- hinged
- side leg
- 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
Links
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
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
- E06C1/20—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles
- E06C1/22—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles with extensible, e.g. telescopic, ladder parts or struts
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/382—Tripod ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/02—Extending means
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/06—Securing devices or hooks for parts of extensible ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
-
- 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
- B66F2700/00—Lifting apparatus
- B66F2700/09—Other lifting devices
Abstract
The invention discloses a kind of telescopic power equipment maintaining ladder, including base, described base one end is hinged with base ladder, the base other end is hinged with sleeve, the base ladder top is provided with motor, the motor coordinates with driving gear, screw knob is provided with the terraced and described sleeve of the base, the screw knob end is rotatably assorted with turning gear head, pull ladder is arranged with the base ladder, expansion link is arranged with the sleeve, rack is provided with the terraced and described expansion link of the pull, the pull ladder top end is hinged by jointed shaft and the expansion link top, the base is provided with pull bottom bar, the base sidepiece is provided with side leg box, side leg is hinged with the side leg box, described side leg box one end is also placed with screw thread leg.The power equipment maintaining ladder can flexibly adjust span and height, can be by electric drive, and using laborsaving convenience, the method that can also use manual telescopic when without electricity is applied widely, fixed, safe.
Description
Technical field
The present invention relates to power equipment maintaining auxiliary equipment field, specially telescopic power equipment maintaining ladder.
Background technology
When carrying out power equipment maintaining, it is often necessary to which staff carries out operation of ascending a height, essential when ascending a height operation
Need to use maintenance ladder, but the general height of existing maintenance ladder and span are all very limited, can limit when carrying out maintenance work
The scope of activities of maintenance personal processed, and the fixation of maintenance ladder is not very reliable, when carrying out maintenance work, is happened occasionally
Maintenance ladder slips situation about overturning, and easily causes the accident of injury to personnel, now needs a kind of new maintenance ladder to solve above-mentioned ask
Topic, ensure to take into account the security of maintenance operation while maintenance work can be smoothed out.
The content of the invention
It is terraced it is an object of the invention to provide telescopic power equipment maintaining, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical scheme：Telescopic power equipment maintaining ladder, including base, it is described
Base one end is hinged with base ladder, and the base other end is hinged with sleeve, and the base ladder middle part is provided with controller, described
Base ladder top is provided with motor, and the motor coordinates with driving gear, and spiral shell is provided with the terraced and described sleeve of the base
Line knob, the screw knob end are rotatably assorted with turning gear head, pull ladder are arranged with the base ladder, in the sleeve
Be arranged with expansion link, be provided with rack on the terraced and described expansion link of the pull, the pull ladder top end by jointed shaft with
The expansion link top is hinged, and the base is provided with pull bottom bar, and the pull bottom bar is positioned by Fixed latches, the bottom
Seat sidepiece is provided with side leg box, side leg is hinged with the side leg box, described side leg box one end is also placed with screw thread
Leg.
Preferably, one group of pin-and-hole is offered on the pull bottom bar, the pin-and-hole is adapted to the Fixed latches, is in
One end of the pull bottom bar of end is provided with hinged seat, and the sleeve is hinged with the hinged seat.
Preferably, bearing pin, the side leg and the hinge, the side leg one are provided with the side leg box
End is provided with handle, and the side leg box side offers leg box, and the screw thread leg is placed in the leg box, described
Side leg box is hinged by hinge and buckle closure, and the buckle closure is adapted to the leg box.
Preferably, the base ladder bottom is provided with plug, and the plug electrically connects with the motor, the motor
Electrically connected with the controller, switch is provided with the controller, rise key and declines key.
Preferably, one group of bottom pedal is provided with the base ladder, one group of top pedal is provided with the pull ladder, it is described
Base ladder top is provided with mounting groove, and one group of screw is offered on the mounting groove, and described mounting groove one end offers gear grooved,
The gear grooved connects with the chute inside base ladder, and the base ladder is internal to be further opened with tooth head groove, the tooth head groove
Also communicated with the chute, the gear grooved is adapted to the driving gear, and the tooth head groove is adapted to the turning gear head, institute
State driving gear and the turning gear head is adapted to the rack, the chute is adapted to pull ladder.
Preferably, the motor is provided with step, is coated with one group of connecting bolt on the step, the connecting bolt with
The screw adaptation, the motor are provided with band-type brake.
Preferably, the power equipment maintaining ladder because base is terraced with base one end in use, be hinged, sleeve and taking out in end
The bar that undercuts is hinged, user can by adjust the pull-out length of pull bottom bar adjust the present apparatus stand when span, very
Convenient, plug can be connected by user with power supply, be powered by power supply to motor, then by controller come controlled motor work
Make, the power supply circuit of motor is then connected by lower switch, press and rise key then motor rotating forward, driving gear and the rack on pull ladder
Engagement, pull ladder are risen under the drive of driving gear, and pull ladder is hinged with telescopic rod end, when pull ladder rises, are also driven
Expansion link stretches out from sleeve, completes the rise of the present apparatus, after high satisfactory, unclamps and rises key, motor power-off, motor has
Band-type brake, it is automatically locked after power-off, such design can prevent pull ladder from falling after rise, can also be by screw thread after user climbs up base ladder
Knob screws in so that turning gear head engages with rack, further fixed pull ladder and base ladder, and expansion link and sleeve are also by spiral shell
Line knob, turning gear head, rack, which coordinate, to be fixed, the present apparatus using when can fall operation, it is terraced terraced, flexible with base to regulate pull
After the cooperation position of bar and sleeve, then the present apparatus erected, then can be by shaking hands in side leg box after erecting
Side leg pull out, then the screw thread leg in leg box is taken out, screw thread leg and side leg end are spirally connected screw-in so that
Screw thread leg withstands ground, plays a part of support, strengthens the stability of base, improves the security of operation, when not square
When just switching on power, then user can move motor to mounting groove side so that step coordinates from different screws, and motor moves
Behind position, driving gear no longer engages with rack, and the mode that at this moment user can be manually completes the flexible of pull ladder.
Compared with prior art, the beneficial effects of the invention are as follows：Power equipment maintaining ladder is in use, because of base ladder and base one
End is be hinged, and sleeve is hinged with the pull bottom bar in end, and user can be adjusted by adjusting the pull-out length of pull bottom bar
Span when abridged edition device is stood, very convenient, plug can be connected by user with power supply, be powered by power supply to motor,
Then worked by controller come controlled motor, the power supply circuit of motor is then connected by lower switch, pressed and rise key then motor is being just
Turn, driving gear engages with the rack on pull ladder, and pull ladder rises under the drive of driving gear, and pull is terraced and flexible rod end
Portion is hinged, and when pull ladder rises, is also driven expansion link to be stretched out from sleeve, is completed the rise of the present apparatus, after high satisfactory, pine
Rise key, motor power-off are opened, motor has band-type brake, is automatically locked after power-off, and such design can prevent pull ladder from falling after rise, use
After person climbs up base ladder, screw knob can also be screwed in so that turning gear head engages with rack, further fixed pull ladder and bottom
Seat ladder, expansion link and sleeve coordinate also by screw knob, turning gear head, rack to be fixed, the present apparatus using when can fall operation,
Pull ladder is regulated with base after the cooperation position of terraced, expansion link and sleeve, then the present apparatus is erected, erects it
Afterwards, then the side leg in side leg box can be pulled out by shaking hands, then taken out the screw thread leg in leg box, by screw thread branch
Pin and side leg end are spirally connected screw-in so that screw thread leg withstands ground, plays a part of support, strengthens the stabilization of base
Property, the security of operation is improved, when being inconvenient to switch on power, then user can move motor to mounting groove side, make
Obtain step and different screws coordinates, after electric motor shift, driving gear no longer engages with rack, and at this moment user can be manually
Mode complete the flexible of pull ladder；The present apparatus can flexibly adjust span and height, can use laborsaving side by electric drive
Just, the method that can also use manual telescopic when without electricity, it is applied widely, it is fixed, it is safe.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is Fig. 1 right view.
Fig. 3 is the close-up schematic view for irising out part that top is in Fig. 1.
Fig. 4 is the close-up schematic view for irising out part being below in Fig. 1.
Fig. 5 is the close-up schematic view that part is irised out in Fig. 2 of the present invention.
Fig. 6 is the structural representation that base of the present invention ladder and pull ladder coordinate.
In figure：1st, base, 2, base ladder, 3, sleeve, 4, controller, 5, motor, 6, driving gear, 7, screw knob, 8,
Turning gear head, 9, pull ladder, 10, expansion link, 11, rack, 12, jointed shaft, 13, pull bottom bar, 14, Fixed latches, 15, collateral
Leg box, 16, side leg, 17, screw thread leg, 18, pin-and-hole, 19, hinged seat, 20, bearing pin, 21, handle, 22, leg box, 23, close
Page, 24, buckle closure, 25, plug, 26, switch, 27, rise key, 28, decline key, 29, bottom pedal, 30, top pedal, 31, installation
Groove, 32, screw, 33, gear grooved, 34, chute, 35, tooth head groove, 36, step, 37, connecting bolt, 38, band-type brake.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-6 are referred to, the present invention provides a kind of technical scheme：Telescopic power equipment maintaining ladder, including base 1, the bottom
1 one end of seat is hinged with base ladder 2, and the other end of base 1 is hinged with sleeve 3, and the middle part of base ladder 2 is provided with controller 4,
Terraced 2 tops of the base are provided with motor 5, and the motor 5 coordinates with driving gear 6, on the base ladder 2 and the sleeve 3
Screw knob 7 is provided with, the end of screw knob 7 is rotatably assorted with turning gear first 8, is arranged with and takes out in the base ladder 2
Ladder 9 is drawn, is arranged with the sleeve 3 described in expansion link 10 and is provided with rack 11 on pull ladder 9 and the expansion link 10, it is described
9 tops of pull ladder are hinged by jointed shaft 12 and the top of expansion link 10, and the base 1 is provided with pull bottom bar 13, described
Pull bottom bar 13 is positioned by Fixed latches 14, and the sidepiece of base 1 is provided with side leg box 15, is cut with scissors in the side leg box 15
Side leg 16 is connected to, described one end of side leg box 15 is also placed with screw thread leg 17, one is offered on the pull bottom bar 13
Group pin-and-hole 18, the pin-and-hole 18 is adapted to the Fixed latches 14, and one end of the pull bottom bar 13 in end is provided be hinged
Seat 19, the sleeve 3 and the hinged seat 19 are be hinged, are provided with bearing pin 20 in the side leg box 15, the side leg 16 with
The bearing pin 20 is be hinged, and described one end of side leg 16 is provided with handle 21, and the side of side leg box 15 offers leg box 22,
The screw thread leg 17 is placed in the leg box 22, and the side leg box 15 is be hinged by hinge 23 and buckle closure 24, described
Buckle closure 24 is adapted to the leg box 22, and terraced 2 bottoms of the base are provided with plug 25, the plug 25 and the motor
5 electrical connections, the motor 5 electrically connects with the controller 4, be provided with the controller 4 switch 26, rise key 27 and under
Key 28 is dropped, one group of bottom pedal 29 is provided with the base ladder 2, one group of top pedal 30, the bottom is provided with the pull ladder 9
Terraced 2 tops of seat are provided with mounting groove 31, one group of screw 32 are offered on the mounting groove 31, described one end of mounting groove 31 offers
Gear grooved 33, the gear grooved 33 are connected with the chute 34 inside base ladder 2, and tooth is further opened with inside the base ladder 2
Head groove 35, the tooth head groove 35 are also communicated with the chute 34, and the gear grooved 33 is adapted to the driving gear 6, the tooth
Head groove 35 is adapted to the turning gear first 8, and the driving gear 6 and the turning gear first 8 are adapted to the rack 11, described
Chute 34 is adapted to pull ladder 9, and the motor 5 is provided with step 36, and one group of connecting bolt is coated with the step 36
37, the connecting bolt 37 is adapted to the screw 32, and the motor 5 is provided with band-type brake 38.
Operation principle：When using the power equipment maintaining ladder, because base ladder 2 is hinged with the one end of base 1, sleeve 3 is with being in end
The pull bottom bar 13 in portion is be hinged, and user can be adjusted when the present apparatus is stood by adjusting the pull-out length of pull bottom bar 13
Span, very convenient, plug 25 can be connected by user with power supply, powered by power supply to motor 5, then passed through controller
4, which carry out controlled motor 5, is worked, and the power supply circuit of motor 5 is then connected by lower switch 26, and pressing rise key 27, then motor 5 rotates forward, actively
Gear 6 engages with the rack 11 on pull ladder 9, and pull ladder 9 rises under the drive of driving gear 6, pull ladder 9 and expansion link 10
End is hinged, and when pull ladder 9 rises, is also driven expansion link 10 to be stretched out from sleeve 3, the rise of the present apparatus is completed, when height expires
After meaning, unclamp and rise key 27, motor 5 powers off, and motor 5 has band-type brake 38, is automatically locked after power-off, and such design can prevent from taking out
Drawing ladder 9 to fall after rise, after user climbs up base ladder 2, screw knob 7 can also be screwed in so that turning gear first 8 engages with rack 11,
Pull ladder 9 and base ladder 2, expansion link 10 and sleeve 3 are further fixed also by screw knob 7, turning gear be first 8, rack 11 is matched somebody with somebody
Close and fix, the present apparatus using when can fall operation, regulate the cooperation position of pull ladder 9 and base ladder 2, expansion link 10 and sleeve 3
Postpone, then the present apparatus is erected, after erecting, then can be drawn the side leg 16 in side leg box 15 by handle 21
Go out, then take out the screw thread leg 17 in leg box 22, screw thread leg 17 and the end of side leg 16 are spirally connected screw-in so that spiral shell
Line leg 17 withstands ground, plays a part of support, strengthens the stability of base 1, improves the security of operation, when not square
When just switching on power, then user can move motor 5 to the side of mounting groove 31 so that step 36 is matched somebody with somebody from different screws 32
Close, after motor 5 shifts, driving gear 6 no longer engages with rack 11, and the mode that at this moment user can be manually completes pull ladder
9 it is flexible.
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 changes, modification can be carried out to these embodiments, replace 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 (3)
1. a kind of power equipment maintaining ladder, including base（1）, it is characterised in that：The base（1）One end is hinged with base ladder（2）, institute
State base（1）The other end is hinged with sleeve（3）, the base ladder（2）Middle part is provided with controller（4）, the base ladder（2）On
Portion is provided with motor（5）, the motor（5）With driving gear（6）Coordinate, the base ladder（2）With the sleeve（3）On be all provided with
It is equipped with screw knob（7）, the screw knob（7）End and turning gear head（8）It is rotatably assorted, the base ladder（2）Inside it is arranged
There is pull terraced（9）, the sleeve（3）Inside it is arranged with expansion link（10）, the pull ladder（9）With the expansion link（10）On be all provided with
It is equipped with rack（11）, the pull ladder（9）Top passes through jointed shaft（12）With the expansion link（10）Top is hinged, the base
（1）It is provided with pull bottom bar（13）, the pull bottom bar（13）Pass through Fixed latches（14）Positioning, the base（1）Sidepiece is set
It is equipped with side leg box（15）, the side leg box（15）Inside it is hinged with side leg（16）, the side leg box（15）Also put one end
It is equipped with screw thread leg（17）；
The base ladder（2）Bottom is provided with plug（25）, the plug（25）With the motor（5）Electrical connection, it is described
Motor（5）With the controller（4）Electrical connection, the controller（4）On be provided with switch（26）, rise key（27）And decline
Key（28）；
The base ladder（2）On be provided with one group of bottom pedal（29）, the pull ladder（9）On be provided with one group of top pedal（30）,
The base ladder（2）Top is provided with mounting groove（31）, the mounting groove（31）On offer one group of screw（32）, the installation
Groove（31）One end offers gear grooved（33）, the gear grooved（33）With base ladder（2）Internal chute（34）Connection, institute
State base ladder（2）Inside is further opened with tooth head groove（35）, the tooth head groove（35）Also with the chute（34）Communicate, the gear
Groove（33）With the driving gear（6）Adaptation, the tooth head groove（35）With the turning gear head（8）Adaptation, the driving gear
（6）With the turning gear head（8）With the rack（11）Adaptation, the chute（34）With pull ladder（9）Adaptation.
A kind of 2. power equipment maintaining ladder according to claim 1, it is characterised in that：The pull bottom bar（13）On offer
One group of pin-and-hole（18）, the pin-and-hole（18）With the Fixed latches（14）Adaptation, the pull bottom bar in end（13）One end
It is provided with hinged seat（19）, the sleeve（3）With the hinged seat（19）It is be hinged.
A kind of 3. power equipment maintaining ladder according to claim 1, it is characterised in that：The side leg box（15）In be provided with pin
Axle（20）, the side leg（16）With the bearing pin（20）It is be hinged, the side leg（16）One end is provided with handle（21）, it is described
Side leg box（15）Side offers leg box（22）, the screw thread leg（17）It is placed on the leg box（22）In, it is described
Side leg box（15）Pass through hinge（23）With buckle closure（24）It is be hinged, the buckle closure（24）With the leg box（22）Adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710763093.7A CN107459002B (en) | 2016-07-29 | 2016-07-29 | Telescopic power equipment maintaining ladder |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710763093.7A CN107459002B (en) | 2016-07-29 | 2016-07-29 | Telescopic power equipment maintaining ladder |
| CN201610606128.1A CN106050119B (en) | 2016-07-29 | 2016-07-29 | A kind of power equipment maintaining ladder |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610606128.1A Division CN106050119B (en) | 2016-07-29 | 2016-07-29 | A kind of power equipment maintaining ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107459002A true CN107459002A (en) | 2017-12-12 |
| CN107459002B CN107459002B (en) | 2019-04-02 |
Family
ID=57195669
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610606128.1A Expired - Fee Related CN106050119B (en) | 2016-07-29 | 2016-07-29 | A kind of power equipment maintaining ladder |
| CN201710762392.9A Active CN107503670B (en) | 2016-07-29 | 2016-07-29 | Drawing and pulling type power equipment maintaining ladder |
| CN201710763093.7A Active CN107459002B (en) | 2016-07-29 | 2016-07-29 | Telescopic power equipment maintaining ladder |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610606128.1A Expired - Fee Related CN106050119B (en) | 2016-07-29 | 2016-07-29 | A kind of power equipment maintaining ladder |
| CN201710762392.9A Active CN107503670B (en) | 2016-07-29 | 2016-07-29 | Drawing and pulling type power equipment maintaining ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN106050119B (en) |
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| KR101767014B1 (en) | 2016-11-02 | 2017-08-09 | 서동영 | Automatic ladder with adjustable length with electric screwdriver |
| CN106761373B (en) * | 2016-12-20 | 2018-06-29 | 国网山东省电力公司潍坊供电公司 | Electrician Operation ladder safety aid |
| CN107255502A (en) * | 2017-06-13 | 2017-10-17 | 福州大学 | Level-sensing device apparatus for examination and repair and its application method |
| CN107956413A (en) * | 2017-11-22 | 2018-04-24 | 中国冶集团有限公司 | A kind of security protection ladder |
| CN108049704B (en) * | 2017-12-10 | 2020-08-07 | 安徽庐晟建设工程有限公司 | Municipal works rail that can height-adjusting |
| CN108175971A (en) * | 2017-12-26 | 2018-06-19 | 大连民族大学 | A kind of device for preventing from being injured by aftershock in earthquake rescue |
| CN108488717B (en) * | 2018-02-05 | 2019-07-30 | 平阳铮盛建设有限公司 | The fixed device of municipal Road lamp for garden |
| CN108835981A (en) * | 2018-03-11 | 2018-11-20 | 魏长同 | A kind of lifting seat |
| CN108798482A (en) * | 2018-06-14 | 2018-11-13 | 芜湖博康机电有限公司 | A kind of novel extension ladder |
| CN108553271A (en) * | 2018-06-30 | 2018-09-21 | 中国科学院合肥物质科学研究院 | A kind of MR damper sitting and lying formula lower limb rehabilitation robot |
| CN111894439B (en) * | 2020-08-13 | 2022-04-12 | 赵治国 | Special ladder of highway safety device maintenance |
| CN112179709A (en) * | 2020-10-11 | 2021-01-05 | 吴公兰 | Adjust nimble oil exploration development sampling device |
| CN114508299B (en) * | 2022-02-16 | 2023-08-04 | 国网山东省电力公司临邑县供电公司 | Lifting device for illuminating lamp route fault detection |
| CN114776209A (en) * | 2022-04-11 | 2022-07-22 | 华能(福州长乐)光伏发电有限责任公司 | Electric power engineering construction ladder |
| CN115522863A (en) * | 2022-10-21 | 2022-12-27 | 三一重能股份有限公司 | Ladder stand |
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2016
- 2016-07-29 CN CN201610606128.1A patent/CN106050119B/en not_active Expired - Fee Related
- 2016-07-29 CN CN201710762392.9A patent/CN107503670B/en active Active
- 2016-07-29 CN CN201710763093.7A patent/CN107459002B/en active Active
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| CN201045280Y (en) * | 2007-04-09 | 2008-04-09 | 杨利勇 | Portable automatic telescopic ladder |
| US20140246271A1 (en) * | 2013-02-11 | 2014-09-04 | Paul Morris Davies | Extension ladder incorporating a winch-operated elevator |
| CN104153704A (en) * | 2014-07-18 | 2014-11-19 | 国家电网公司 | Multifunctional herringbone ladder for electricity maintenance |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107459002B (en) | 2019-04-02 |
| CN107503670A (en) | 2017-12-22 |
| CN106050119B (en) | 2017-12-22 |
| CN107503670B (en) | 2019-02-12 |
| CN106050119A (en) | 2016-10-26 |
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