CN202925866U - Movable lifting work platform - Google Patents

Movable lifting work platform Download PDF

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Publication number
CN202925866U
CN202925866U CN 201220490047 CN201220490047U CN202925866U CN 202925866 U CN202925866 U CN 202925866U CN 201220490047 CN201220490047 CN 201220490047 CN 201220490047 U CN201220490047 U CN 201220490047U CN 202925866 U CN202925866 U CN 202925866U
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CN
China
Prior art keywords
working platform
crane body
fixedly connected
movable lifting
support frame
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.)
Expired - Lifetime
Application number
CN 201220490047
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Chinese (zh)
Inventor
倪代红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Haiqing New Material Co ltd
Original Assignee
CHONGQING SEAWIND POWER TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CHONGQING SEAWIND POWER TECHNOLOGY Co Ltd filed Critical CHONGQING SEAWIND POWER TECHNOLOGY Co Ltd
Priority to CN 201220490047 priority Critical patent/CN202925866U/en
Application granted granted Critical
Publication of CN202925866U publication Critical patent/CN202925866U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a movable lifting work platform which comprises a lifting frame component and a drive device, wherein the lifting frame component is arranged to be matched with the lifting frame component and used for supplying motive power, the lifting frame component comprises a support frame and a lifting frame body which is arranged to be matched with the lifting support frame in a longitudinal shift mode, a work platform facet is arranged on the lifting frame body, and the work platform facet can be lifted through a fixed pulley device. The movable lifting work platform is safe and reliable in use and free in operation. A pulley is further arranged on a bottom frame of the movable lifting work platform, so that the movable lifting work platform can be guaranteed to shift freely and repeated constructing a scaffold or fixing a platform is not needed. The movable lifting work platform is low in structural cost and capable of being used in the fields of decoration, clean-keeping, engineering maintenance, marketplaces, supermarkets, storage and the like.

Description

Movable lifting working platform
Technical field
The utility model relates to a kind of working platform for indoor outer operation, particularly a kind of movable lifting working platform.
Background technology
Outer when carrying out the ascend operation such as engineer operation, maintenance, maintenance indoors at present, majority is all to use ladder, due to the poor stability of ladder, activity space is little, out inconvenience is carried in transportation, and the peril such as tumble injury easily occurs, so its use is subject to certain limitation.In prior art, in order to make the working space scope larger, fixed platform is built in general employing or scaffold solves, and build the steady job platform or scaffold cumbersome, and waste time and energy, maintenance cost is high, and it is irremovable, and the scope of application is subject to certain limitation.
Therefore, need to improve existing fixed platform for indoor outer operation, solve job insecurity, activity space little, build waste time and energy, the problem such as maintenance cost height, make that it is safe and reliable, operation freely, do not need repeatedly to scaffold erecting or fixed platform.
The utility model content
In view of this, the utility model provides a kind of movable lifting working platform, solve the fixed platform of existing indoor outer operation or scaffold work is unstable, activity space is little, build waste time and energy, the problem such as maintenance cost height, safe and reliable, operation does not need repeatedly to scaffold erecting or fixed platform freely.
Movable lifting working platform of the present utility model, comprise the crane assembly, described crane assembly comprises bracing frame and the crane body that is equipped with the mode that can vertically move and support frame as described above, described crane body upper end is fixedly installed a work top, also comprises being equipped with the crane assembly being used to described crane body to vertically move the drive unit that power is provided.
Further, support frame as described above the serve as reasons column of vertically placing and the tetragonal body frame construction I that is connected the crossbeam I formation between adjacent upright posts, between adjacent described column, the top is fixedly connected with and is provided with the top rail I and forms the bracing frame top, the bottom is fixedly connected with and is provided with bottom lower transverse beam I formation bracing frame, crossbeam I in the middle of the support frame as described above top wherein is provided with between one group of relative top rail I, support frame as described above bottom wherein be provided with between one group of relative lower transverse beam I lower in the middle of the crossbeam I.
Further, described crane body is the tetragonal body frame construction II that adapts and coordinate with the support frame as described above structure, it comprises the lead and the crossbeam II that is connected between adjacent lead of vertical placement, between adjacent described lead, the top is fixedly connected with and is provided with top rail II formation crane bodies top, the bottom is fixedly connected with and is provided with the lower transverse beam II and forms crane body bottom, described crane body bottom wherein be provided with between one group of relative lower transverse beam II lower in the middle of the crossbeam II.
Further, described drive unit is assembly pulley or cucurbit, described assembly pulley comprises fixed pulley, movable pulley and lifting rope, and is arranged at described middle crossbeam I hanger I, is arranged at described lower middle crossbeam II hanger II and is arranged at described lower middle crossbeam I hanger III.
Further, support frame as described above is provided with at least one and is used for described crane body is risen and descends leading and spacing guide position limiter, described guide position limiter comprises the corresponding guide limiting stopper that is fixedly installed on described column and is positioned at same level one by one, and the distance between adjacent guide position limiter is the distance that described crane body can rise and descend.
Further, described guide limiting stopper is L shaped structure, and its dual-side is fixedly connected with described column respectively, leaves the space between its interior angle and described column and is formed for the pilot hole that described lead rises and descends.
Further, described work top is to be arranged at described crane body interior near the platy structure on top, and it is fixedly connected with described lead, is positioned at lead and the described crane bodies top formation protective fence of described work top top.
further, support frame as described above one side is fixedly connected with the cat ladder I that is provided with for for the described work top in personnel up and down, described cat ladder I comprises handrail and step, its upper end is fixedly connected with bracing frame top one side, with described cat ladder I, two perpendicular lower transverse beam II of one side are installed bottom support frame as described above and are fixedly connected to form working platform installation underframe to the extension of cat ladder I installation side and front end, described cat ladder I lower end is installed underframe with described working platform and is fixedly connected with, also be provided with at least one between described cat ladder I and support frame as described above and be connected cross bar, described crane body is being provided with the cat ladder II with described cat ladder I installation side phase the same side.
Further, described working platform underframe two ends are respectively equipped with for working platform mobile movable pulley on transverse plane, and wherein an end is set to directional wheel, and the other end is set to universal wheel.
further, described working platform underframe is provided with at least one supplemental support assembly that is used for working platform is fixed in ground, described supplemental support assembly comprises guide pipe, pull bar and support bar, described guide pipe is enclosed within described pull bar periphery and axially is vertically installed in described lower transverse beam II, described pull bar and described guide pipe interference fit arrange, described pull bar one end is provided with the pull bar spacing round boss that endwisely slips, the other end is provided with the screwed hole that is threaded with described support bar, described support bar one end passes described screwed hole and is provided with the alignment pin that rotates for auxiliary described support bar, the other end is provided be used to the stator that increases described working platform underframe lifting surface area.
The beneficial effects of the utility model: movable lifting working platform of the present utility model, can make the work top oscilaltion by fixed pulley or electric block, safe and reliable, operation freely, also be provided with pulley on the working platform underframe, guarantee that working platform moves freely, do not need repeatedly to scaffold erecting or fixed platform; The utility model infrastructure cost is lower, can be widely used in fitting up, keeps a public place clean, the field such as maintenance of works, market, supermarket, storage.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is that the utility model uses the pre-structure schematic diagram;
Fig. 2 is structural representation during the utility model uses;
Fig. 3 is that the utility model uses the neutral body structural representation;
Fig. 4 is supplemental support modular construction schematic diagram.
The specific embodiment
Fig. 1 is the utility model mounting structure explosive view, Fig. 2 is vehicle frame tail pipe structure schematic diagram, as shown in the figure: the movable lifting working platform of the present embodiment, comprise the crane assembly, described crane assembly comprises bracing frame 1 and the crane body 2 that is equipped with the mode that can vertically move and support frame as described above 1, described crane body 2 upper ends are fixedly installed a work top 3, also comprise being equipped with the crane assembly being used to described crane body 2 to vertically move the drive unit that power is provided; As standing platform, by drive unit, adopt pulley to realize the lifting of crane body in the present embodiment, thereby realize the lifting of work top when work top is worked for the user, satisfy the operation element of differing heights, operation freely.
In the present embodiment, the tetragonal body frame construction I of the crossbeam I formation that support frame as described above 1 is served as reasons the column 11 vertically placed and is connected 11 of adjacent upright posts, 11 tops of adjacent described column are fixedly connected with and are provided with top rail I 12 and form bracing frame 1 top, the bottom is fixedly connected with and is provided with lower transverse beam I 13 and forms bracing frame 1 bottom, crossbeam I 15 in the middle of support frame as described above 1 top wherein is provided with between one group of relative top rail I, support frame as described above 1 bottom wherein be provided with between one group of relative lower transverse beam I lower in the middle of crossbeam I 14; In the present embodiment, column is four, and the setting except top top rail I and bottom lower transverse beam I also is provided with other crossbeam I on column, and is used in conjunction with guide locating device provided.
In the present embodiment, described crane body 2 is the tetragonal body frame construction II that adapts and coordinate with support frame as described above 1 structure, it comprises the lead 21 and the crossbeam II that is connected 21 of adjacent leads of vertical placement, 21 tops of adjacent described lead are fixedly connected with and are provided with top rail II 24 and form crane body 2 tops, the bottom is fixedly connected with and is provided with lower transverse beam II 22 and forms crane body 2 bottoms, described crane body 2 bottoms wherein be provided with between one group of relative lower transverse beam II lower in the middle of crossbeam II 23; Lead also is set to four.
In the present embodiment, described drive unit is assembly pulley or cucurbit, described assembly pulley comprises fixed pulley 7, movable pulley 7a and lifting rope 8, and is arranged at described upper centre crossbeam I 24 hanger I 6, is arranged at described lower middle crossbeam II 23 hanger II 6a and is arranged at described lower centre crossbeam I 14 hanger III 6b; Movable pulley hangs on the hanger II and movement of crane body, and fixed pulley is affiliated on the hanger I, and lifting rope one end is fixed on the bracing frame upper end, and the other end is walked around movable pulley and fixed pulley successively, pulls lifting rope to realize the lifting of crane body, as depicted in figs. 1 and 2; Fixed pulley and movable pulley can be set to a plurality of, if can realize the purpose of this utility model all can, belong to prior art, do not repeat them here; Use cucurbit, cucurbit be electric block or bottle gouard moved by hands all can, cucurbit is hung on the hanger I, the layback chain drag hook of cucurbit hangs on the hanger II, pulls the slide fastener of cucurbit opposite side, thereby realizes the lifting of crane body, indicates in figure; Certainly, just also can realize the movement of crane body with fixed pulley, fixed pulley is affiliated on the hanger I, and lifting rope one end is tied up on the hanger II, walks around fixed pulley and pulls the rising that realizes the crane body, and the lifting rope other end is fixed on the hanger III; Or the use movable pulley, movable pulley is affiliated in the hanger II, pull by lifting rope to make movable pulley and one of crane body rise and descend; As long as can realize the purpose of rising and the decline of crane body.
In the present embodiment, support frame as described above 1 is provided with at least one and is used for described crane body 2 is risen and descends leading and spacing guide position limiter, described guide position limiter comprises the corresponding guide limiting stopper 9 that is fixedly installed on described column 11 and is positioned at same level one by one, and the distance between adjacent guide position limiter is the distance that described crane body 2 can rise and descend.Described guide limiting stopper 9 is L shaped structure, and its dual-side is fixedly connected with described column 11 respectively, and 11, its interior angle and described column leave the space and be formed for the pilot hole that described lead 21 rises and descends; The guide position limiter that is positioned at lowermost end plays the effect spacing to the crane body, crane body bottom downside is resisted against the upside of lowermost end guide position limiter, the guide position limiter that is positioned at the top plays guiding and spacing effect to the crane body, crane body lead is along the pilot hole lifting, just can not move up when the crane body is moved upwards up to the downside of top guide position limiter, the crane body reaches maximum jacking condition again.
In the present embodiment, described work top 3 is for being arranged at the inner platy structure near the top of described crane body 2, it is fixedly connected with described lead 21, is positioned at the lead 21 and described crane body 2 tops formation protective fences of described work top 3 tops; Work top can be circle, the various shape such as square, as long as can satisfy the purpose that the user stands, in the present embodiment, work top is square, and the summit is fixedly connected with the bracing frame column respectively; Protective fence can form certain protection to the user, improves the safety of user's work.
in the present embodiment, support frame as described above 1 one sides are fixedly connected with the cat ladder I 4 that is provided with for for the described work top 3 in personnel up and down, described cat ladder I 4 comprises handrail 41 and step 42, its upper end is fixedly connected with bracing frame 1 top one side, support frame as described above 1 bottom and described cat ladder I 4 are installed two perpendicular lower transverse beam II 22 of a side and are fixedly connected to form working platform installation underframe 5 to the 4 installation sides extensions of cat ladder I and front end, described cat ladder I 4 lower ends are installed underframe 5 with described working platform and are fixedly connected with, also be provided with at least one between described cat ladder I 4 and support frame as described above 1 and be connected cross bar 43, the setting of cat ladder I can help the work top up and down of user's convenient, and the cat ladder I is fixedly connected with and together moves with the crane assembly, does not need the user to join in addition ladder again, has saved man-hour, convenient work, the setting that connects cross bar is in order to make the cat ladder I more firm with being connected of bracing frame, in the present embodiment, the connection cross bar be set to two.
In the present embodiment, described working platform underframe 5 two ends are respectively equipped with for working platform mobile movable pulley on transverse plane, and wherein an end is set to directional wheel 51, and the other end is set to universal wheel 52; The setting of movable pulley can guarantee that this utility model moves freely, and does not need again to scaffold erecting or fixed platform again, and is not only time saving and energy saving, also saved cost; A bracing frame bottom side relative to cat ladder I installation side installed directional wheel, assurance is moved along user's thrust direction, the working platform underframe is connected an end universal wheel is installed with the cat ladder I, guarantee that moving forward of working platform is unrestricted, the user realizes the movement of working platform integral body by the moving direction of controlling directional wheel.
in the present embodiment, described working platform underframe 5 is provided with at least one supplemental support assembly 10 that is used for working platform is fixed in ground, described supplemental support assembly 10 comprises guide pipe 101, pull bar 102 and support bar 103, described guide pipe 101 is enclosed within described pull bar 102 peripheries and axially is vertically installed in described lower transverse beam II, described pull bar 102 and described guide pipe 101 interference fit settings, described pull bar 102 1 ends are provided with the pull bar 102 spacing round boss 105 that endwisely slips, the other end is provided with the screwed hole with described support bar 103 threaded engagement, described support bar 103 1 ends pass described screwed hole and are provided with the alignment pin 106 that rotates for auxiliary support bar, alignment pin assurance support bar is not deviate from from the pull bar installing hole, support bar 103 other ends are provided be used to the stator 104 that increases described working platform underframe lifting surface area, stator directly contacts with ground, and highly adjustable, also can realize well fixing on the ground of uneven, the supplemental support assembly can firmly fix the utility model on the ground, has guaranteed the safety of work, the supplemental support assembly can be set to a plurality of arbitrarily, as long as can guarantee and purpose that ground is fixed, in the present embodiment, respectively arranges three in working platform underframe relative both sides, arranges altogether six, due to guide pipe and pull bar interference fit, pull bar can endwisely slip in guide pipe, and pull bar and support bar be by threaded engagement, for support bar provides larger torque, realizes support bar rising and decline in a longitudinal direction under alignment pin auxiliary, when working platform does not use, the supplemental support assembly can be packed up, safe and reliable, simple to operate, but also can not affect the movement of working platform.
In the present embodiment, described crane body 1 is being provided with the cat ladder II with described cat ladder I 4 installation side phase the same sides; The workman can be raised to the crane body on ground and be fit to arrive work top by cat ladder I and cat ladder II successively highly again, has saved manpower.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.

Claims (10)

1. movable lifting working platform, it is characterized in that: comprise the crane assembly, described crane assembly comprises bracing frame (1) and the crane body (2) that is equipped with the mode that can vertically move and support frame as described above (1), described crane body (2) upper end is fixedly installed a work top (3), also comprises being equipped with the crane assembly being used to described crane body (2) to vertically move the drive unit that power is provided.
2. movable lifting working platform according to claim 1, it is characterized in that: support frame as described above (1) the serve as reasons column (11) of vertically placing and the tetragonal body frame construction I that is connected the crossbeam I formation between adjacent upright posts (11), between adjacent described column (11), the top is fixedly connected with and is provided with top rail I (12) and forms bracing frame (1) top, the bottom is fixedly connected with and is provided with bottom lower transverse beam I (13) formation bracing frame (1), support frame as described above (1) top wherein is provided with middle crossbeam I (15) between one group of relative top rail I, support frame as described above (1) bottom wherein is provided with lower middle crossbeam I (14) between one group of relative lower transverse beam I.
3. movable lifting working platform according to claim 2, it is characterized in that: described crane body (2) is the tetragonal body frame construction II that adapts and coordinate with support frame as described above (1) structure, it comprises the lead (21) and the crossbeam II that is connected between adjacent lead (21) of vertical placement, between adjacent described lead (21), the top is fixedly connected with and is provided with top rail II (24) and forms crane body (2) top, the bottom is fixedly connected with and is provided with bottom lower transverse beam II (22) formation crane body (2), described crane body (2) bottom wherein is provided with lower middle crossbeam II (23) between one group of relative lower transverse beam II.
4. movable lifting working platform according to claim 3, it is characterized in that: described drive unit is assembly pulley or cucurbit, described assembly pulley comprises fixed pulley (7), movable pulley (7a) and lifting rope (8), and is arranged at described middle crossbeam I (24) hanger I (6), is arranged at described lower middle crossbeam II (23) hanger II (6a) and is arranged at described lower middle crossbeam I (14) hanger III (6b).
5. movable lifting working platform according to claim 4, it is characterized in that: support frame as described above (1) is provided with at least one and is used for described crane body (2) is risen and descends leading and spacing guide position limiter, described guide position limiter comprises that correspondence one by one is fixedly installed on described column (11) and is positioned at the guide limiting stopper (9) of same level, and the distance between adjacent guide position limiter is the distance that described crane body (2) can rise and descend.
6. movable lifting working platform according to claim 5, it is characterized in that: described guide limiting stopper (9) is L shaped structure, its dual-side is fixedly connected with described column (11) respectively, leaves the space between its interior angle and described column (11) and is formed for the pilot hole that described lead (21) rises and descends.
7. movable lifting working platform according to claim 6, it is characterized in that: described work top (3) is for being arranged at the inner platy structure near the top of described crane body (2), it is fixedly connected with described lead (21), is positioned at the lead (21) and described crane body (2) top formation protective fence of described work top (3) top.
8. movable lifting working platform according to claim 7, it is characterized in that: support frame as described above (1) one side is fixedly connected with the cat ladder I (4) that is provided with for for personnel's described work tops in up and down (3), described cat ladder I (4) comprises handrail (41) and step (42), its upper end is fixedly connected with bracing frame (1) top one side, with described cat ladder I (4), two perpendicular lower transverse beam II (22) of a side are installed bottom support frame as described above (1) and are fixedly connected to form working platform installation underframe (5) to the extension of cat ladder I (4) installation side and front end, described cat ladder I (4) lower end is installed underframe (5) with described working platform and is fixedly connected with, also be provided with at least one between described cat ladder I (4) and support frame as described above (1) and be connected cross bar (43), described crane body (1) is being provided with the cat ladder II with described cat ladder I (4) installation side phase the same side.
9. movable lifting working platform according to claim 8, it is characterized in that: described working platform underframe (5) two ends are respectively equipped with for working platform mobile movable pulley on transverse plane, wherein an end is set to directional wheel (51), and the other end is set to universal wheel (52).
10. movable lifting working platform according to claim 9, it is characterized in that: described working platform underframe (5) is provided with at least one supplemental support assembly (10) that is used for working platform is fixed in ground, described supplemental support assembly (10) comprises guide pipe (101), pull bar (102) and support bar (103), described guide pipe (101) is enclosed within described pull bar (102) periphery and axially is vertically installed in described lower transverse beam II, described pull bar (102) and described guide pipe (101) interference fit setting, described pull bar (102) one ends are provided with pull bar (102) the spacing round boss (105) that endwisely slips, the other end is provided with the screwed hole with described support bar (103) threaded engagement, described support bar (103) one ends pass described screwed hole and are provided with the alignment pin (106) that rotates for auxiliary described support bar, the other end is provided be used to the stator (104) that increases described working platform underframe lifting surface area.
CN 201220490047 2012-09-24 2012-09-24 Movable lifting work platform Expired - Lifetime CN202925866U (en)

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Application Number Priority Date Filing Date Title
CN 201220490047 CN202925866U (en) 2012-09-24 2012-09-24 Movable lifting work platform

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Application Number Priority Date Filing Date Title
CN 201220490047 CN202925866U (en) 2012-09-24 2012-09-24 Movable lifting work platform

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103498549A (en) * 2013-09-23 2014-01-08 河南天工建设集团有限公司 Aerial work platform for decoration in industrial factory building
CN103802085A (en) * 2014-03-01 2014-05-21 国家电网公司 Multifunctional movable platform special for overhauling and maintaining and maintaining method
CN104276525A (en) * 2013-07-01 2015-01-14 南京惠德机械有限公司 Controllable fully-automatic lifting machine
CN104966157A (en) * 2015-06-12 2015-10-07 东莞理工学院 Remote control maintenance method and device based on human factor simulation analysis
CN106561310A (en) * 2016-10-13 2017-04-19 塔里木大学 Adjustable-height tree trimming machine
CN107762129A (en) * 2017-10-18 2018-03-06 北京城建长城建筑装饰工程有限公司 Furred ceiling hoisting frame
CN109469304A (en) * 2018-10-22 2019-03-15 台州鼎拓工业设计有限公司 A kind of steel construction scaffold device for mechanical aspects
CN112065016A (en) * 2020-09-02 2020-12-11 国网福建省电力有限公司 Overhaul platform based on magnetorheological fluid
CN113841547A (en) * 2021-10-18 2021-12-28 山东农业大学 Automatic line-changing device and method for large-scale multi-span greenhouse shed roof cleaning auxiliary operation

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104276525A (en) * 2013-07-01 2015-01-14 南京惠德机械有限公司 Controllable fully-automatic lifting machine
CN103498549A (en) * 2013-09-23 2014-01-08 河南天工建设集团有限公司 Aerial work platform for decoration in industrial factory building
CN103802085A (en) * 2014-03-01 2014-05-21 国家电网公司 Multifunctional movable platform special for overhauling and maintaining and maintaining method
CN103802085B (en) * 2014-03-01 2015-10-21 国网黑龙江省电力有限公司检修公司 Multifunctional repairing safeguards Special movable platform and method for maintaining
CN104966157A (en) * 2015-06-12 2015-10-07 东莞理工学院 Remote control maintenance method and device based on human factor simulation analysis
CN104966157B (en) * 2015-06-12 2019-03-26 东莞理工学院 It is a kind of based on people because of the remote maintaining method and its maintenance device of simulation analysis
CN106561310A (en) * 2016-10-13 2017-04-19 塔里木大学 Adjustable-height tree trimming machine
CN107762129A (en) * 2017-10-18 2018-03-06 北京城建长城建筑装饰工程有限公司 Furred ceiling hoisting frame
CN109469304A (en) * 2018-10-22 2019-03-15 台州鼎拓工业设计有限公司 A kind of steel construction scaffold device for mechanical aspects
CN112065016A (en) * 2020-09-02 2020-12-11 国网福建省电力有限公司 Overhaul platform based on magnetorheological fluid
CN112065016B (en) * 2020-09-02 2022-01-25 国网福建省电力有限公司 Overhaul platform based on magnetorheological fluid
CN113841547A (en) * 2021-10-18 2021-12-28 山东农业大学 Automatic line-changing device and method for large-scale multi-span greenhouse shed roof cleaning auxiliary operation

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Legal Events

Date Code Title Description
TR01 Transfer of patent right

Effective date of registration: 20170126

Address after: 409100 Chongqing Tujia Autonomous County of golden Zhangcun road in the town of friendship group

Patentee after: CHONGQING HAIQING NEW MATERIAL Co.,Ltd.

Address before: Feng Qi Zhen Caijiaying road 400700 Chongqing city Beibei District No. 6

Patentee before: CHONGQING SEAWIND POWER TECHNOLOGY Co.,Ltd.

CX01 Expiry of patent term

Granted publication date: 20130508