CN207108303U - A kind of power equipment maintenance hanging apparatus - Google Patents

A kind of power equipment maintenance hanging apparatus Download PDF

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Publication number
CN207108303U
CN207108303U CN201721034554.9U CN201721034554U CN207108303U CN 207108303 U CN207108303 U CN 207108303U CN 201721034554 U CN201721034554 U CN 201721034554U CN 207108303 U CN207108303 U CN 207108303U
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CN
China
Prior art keywords
power equipment
support
hanging apparatus
equipment maintenance
leading
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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 - Fee Related
Application number
CN201721034554.9U
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Chinese (zh)
Inventor
温春光
王君
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Individual
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Individual
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Publication date
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Priority to CN201721034554.9U priority Critical patent/CN207108303U/en
Application granted granted Critical
Publication of CN207108303U publication Critical patent/CN207108303U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of power equipment maintenance hanging apparatus, including support base, leading screw, sliding block, balancing weight, clamping device, wind roller, rigid pull rope, support post, support rail, support beam and lifting frame, sliding block is connected through a screw thread mode and is rotatably arranged on leading screw, the upper surface of sliding block is provided with balancing weight, one end of rigid pull rope is connected with winding roller, other end difference solderless wrapped connection and No.1 leading block and No. two leading blocks of rigid pull rope, and after the passage formed through the spacing pulley of No.1 and No. two spacing pulleys, it is connected with clamping device.The utility model can grip to power equipment, and realize the lift up rapidly of power equipment, and the convenient adjustment in position of balancing weight, be easy to give full play to the counterweight effect of balancing weight, safe.

Description

A kind of power equipment maintenance hanging apparatus
Technical field
Electrical equipment technical field is the utility model is related to, specifically a kind of power equipment maintenance hanging apparatus.
Background technology
Power equipment in power system is a lot, and according to them, role is different in operation, generally divides them For electrical primary equipment and electrical secondary equipment, the equipment for directly participating in production, conversion, transmission, distribution and consumption electric energy is referred to as Electrical primary equipment, in order to protect the normal operation for ensureing electrical primary equipment, its running status is measured, monitor, controlled System and regulation etc. equipment be referred to as electrical secondary equipment.Mainly there are various measurement meters, various relay protections and automatics, directly Flow power-supply device etc..
Power equipment is often being installed aloft, prevents power equipment from being touched with non-electricity personnel, causes accident, is become Power station is the assembly place of transmission and disttrbution in power system, and it includes outdoor type transformer, capacitor, wave filter and arrester etc. Equipment, these devices go wrong when needing to change installation, equipment safeguarded on equipment frame by operator station, more Change, when changing, it is necessary to be lifted by crane power equipment with hoisting machine, and common hoisting machine grips to power equipment Effect is bad, and power equipment, when being lifted by crane using rope, power equipment easily shakes, and potential safety hazard be present, separately Outside, balancing weight is installed, the position of balancing weight is typically relatively fixed, it is impossible to is given full play to and is matched somebody with somebody on the lifting machine of general power equipment The effect of pouring weight.
Utility model content
The purpose of this utility model is to provide a kind of power equipment maintenance hanging apparatus, to solve above-mentioned background technology The problem of middle proposition.
To achieve the above object, the utility model provides following technical scheme:
A kind of power equipment maintenance hanging apparatus, including support base, leading screw, sliding block, balancing weight, clamping device, receipts Winding up roller cylinder, rigid pull rope, support post, support rail, support beam and lifting frame, the left part upper table of the support base Face fixes welding and is provided with left fixed plate and right fixed plate respectively;Pass through bearing connection side in the left fixed plate and right fixed plate Formula rotates and is provided with leading screw;The sliding block is connected through a screw thread mode and is rotatably arranged on leading screw;The upper surface of the sliding block is set It is equipped with balancing weight;Motor for driving leading screw to rotate is installed on the left side wall of the left fixed plate;The support bottom The right-hand member upper surface of seat is fixedly welded with the support post set in vertical direction;It is solid on the top right side wall of the support post Surely it is welded with the support beam set in horizontal direction;Be fixedly welded with the bottom right side wall of the support post is in level side To the support platform of setting;The end lower surface of the support beam is fixedly installed No. two leading blocks;The support post Upper left-hand wall on be provided with No.1 leading block;The right-hand member upper surface of the support base is installed with elevator motor; Winding roller is provided with the output shaft of the elevator motor;The upper surface of the support platform is fixedly installed for driving branch The first electric expansion bar that support cross bar moves up and down;The right-hand member of the support rail sets limited position mechanism, position-limit mechanism bag Include the spacing pulley of lifting frame, No.1, No. two spacing pulleys and rotary shaft;The quantity of the rotary shaft is two, two rotations Axle is symmetrically rotated by bearing connected mode and is erected on the biside plate of lifting frame;The spacing pulley of No.1 is fixedly mounted on In one rotary shaft;No. two spacing pulleys are fixedly mounted in another rotary shaft;One end of the rigid pull rope with Winding roller is connected, other end difference solderless wrapped connection and No.1 leading block and No. two leading blocks of rigid pull rope, and passes through After the passage formed between the spacing pulley of No.1 and No. two spacing pulleys, it is connected with clamping device;The clamping device includes Lift by crane connecting seat, magnechuck, the second electric expansion bar and grip block;The lifting connecting seat top is fixedly mounted on rigidity and led The other end of messenger;The magnechuck is fixedly mounted on the bottom of lifting connecting seat;The quantity of second electric expansion bar For two, two the second electric expansion bars are symmetrically mounted on the both sides of magnechuck, are respectively mounted in two the second electric expansion bars There is grip block.
As further program of the utility model:The both ends upper surface of the sliding block is symmetrically installed with limiting plate; Mode is connected through a screw thread on the limiting plate and is provided with fastening bolt, one end of fastening bolt is provided with rotational handle, fastening The other end of bolt offsets with balancing weight.
As further program of the utility model:The output shaft of the motor and the left end drive connection of leading screw, Motor uses rotating servomotor.
As further program of the utility model:The lower surface corner of the support base is provided with roller, roller Using self-locking roller.
As further program of the utility model:The No.1 leading block and No. two leading blocks are in same level Highly set.
As further program of the utility model:Slipmat is installed, slipmat is adopted on the madial wall of the grip block It is made of elastomeric material.
As further program of the utility model:The lifting frame is positioned at the underface of No. two leading blocks, lifting Framework is fixedly mounted on the right-hand member of support rail.
As further program of the utility model:The left end of the support rail is installed with jacking sleeve;It is described Jacking sleeve is slidably located on support post.
As further program of the utility model:The bottom of the support post is also fixedly installed control panel respectively And PLC.
As further program of the utility model:The input of the PLC is electrically connected with control panel, The output end of PLC electrically connects with motor, elevator motor, the first electric expansion bar and the second electric expansion bar respectively Connect.
Compared with prior art, the beneficial effects of the utility model are:
The utility model is rotated backward using elevator motor so that and winding roller carries out unreeling operation to rigid pull rope, Clamping device moves downward, and magnechuck contacts with power equipment, and magnechuck adsorbs to power equipment, control two the Two electric expansion bars shorten so that two grip blocks clamp to the both sides of power equipment, so as to realize the folder of power equipment Fixation is held, the output shaft of elevator motor is rotated forward, and winding roller carries out winding operation to rigid pull rope, and rigid pull rope is drawn Dynamic clamping device moves upwards, after power equipment is lifted to specified altitude assignment, stops elevator motor and rotates, electronic stretched using first Contracting bar shortens, and now support rail moves downward so that the distance between lifting frame and clamping device shorten, and can so have Effect avoids clamping device from occurring significantly to swing when being impacted, and improves the security of power equipment lifting;In addition, utilize Motor driving leading screw is rotated forward or rotated backward, can position of the adjusting slider on leading screw, and then realize counterweight The position adjustment of block, the position of Reasonable adjustment balancing weight are advantageous to balancing weight and give full play to counterweight effect, prevent whole device from sending out Raw rollover.In summary, the utility model is simple in construction, easy to use, and power equipment can be gripped, and realizes The lift up rapidly of power equipment, and the convenient counterweight effect for adjusting, being easy to give full play to balancing weight in position of balancing weight, safety Property it is high, be adapted to promote the use of.
Brief description of the drawings
Fig. 1 is the structural representation of power equipment maintenance hanging apparatus.
Fig. 2 is the structural representation of position-limit mechanism in power equipment maintenance hanging apparatus.
Fig. 3 is the structural representation of clamping device in power equipment maintenance hanging apparatus.
In figure:1- support bases, 2- rollers, 3- motors, the left fixed plates of 4-, 5- leading screws, 6- sliding blocks, 7- balancing weights, 8- limiting plates, 9- clamping devices, the right fixed plates of 10-, 11- winding rollers, 12- rigidity pull ropes, 13- elevator motors, 14- supports Column, 15- support platforms, the electric expansion bars of 16- first, 17- jacking sleeves, 18- support rails, 19- No.1 leading blocks, 20- support beams, No. bis- leading blocks of 21-, 22- lifting frames, 23- fastening bolts, the spacing pulley of 24- No.1s, No. bis- limits of 25- Position pulley, 26- rotary shafts, 27- control panels, 28-PLC controllers, 91- lifting connecting seats, 92- magnechucks, the electricity of 93- second Dynamic expansion link, 94- grip blocks, 95- slipmat.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1-3, in the utility model embodiment, a kind of power equipment maintenance hanging apparatus, including support bottom Seat 1, leading screw 5, sliding block 6, balancing weight 7, clamping device 9, winding roller 11, rigid pull rope 12, support post 14, support rail 18th, support beam 20 and lifting frame 22, the left part upper surface of the support base 1 fix welding and are provided with left fixed plate respectively 4 and right fixed plate 10;Rotated in the left fixed plate 4 and right fixed plate 10 by bearing connected mode and be provided with leading screw 5;It is described Sliding block 6 is connected through a screw thread mode and is rotatably arranged on leading screw 5;The both ends upper surface of the sliding block 6 is symmetrically fixedly mounted limited Position plate 8;The upper surface of the sliding block 6 is provided with balancing weight 7;Mode, which is connected through a screw thread, on the limiting plate 8 is provided with fastening Bolt 23, one end of fastening bolt 23 are provided with rotational handle, and the other end and the balancing weight 7 of fastening bolt 23 offset, realization pair The fixation of balancing weight 7;Motor 3 for driving leading screw 5 to rotate is installed on the left side wall of the left fixed plate 4;It is described The output shaft of motor 3 and the left end drive connection of leading screw 5, motor 3 use rotating servomotor, are easy to accurately control The rotating speed of throwing thick stick 5;The lower surface corner of the support base 1 is provided with roller 2, and roller 2 uses self-locking roller, roller 2 Setting be easy to the movement of whole device;The right-hand member upper surface of the support base 1 is fixedly welded with what is set in vertical direction Support post 14;The support beam 20 set in horizontal direction is fixedly welded with the top right side wall of the support post 14; The support platform 15 set in horizontal direction is fixedly welded with the bottom right side wall of the support post 14;The support beam 20 end lower surface is fixedly installed No. two leading blocks 21;No.1 is provided with the upper left-hand wall of the support post 14 Leading block 19;The No.1 leading block 19 and No. two leading blocks 21 are in same level and highly set;The support bottom The right-hand member upper surface of seat 1 is installed with elevator motor 13;Winding roller 11 is provided with the output shaft of the elevator motor 13; The upper surface of the support platform 15 is fixedly installed the first electric expansion bar for driving support rail 18 to move up and down 16;The left end of the support rail 18 is installed with jacking sleeve 17;The jacking sleeve 17 is slidably located in support post On 14;The right-hand member of the support rail 18 sets limited position mechanism, and position-limit mechanism includes lifting frame 22, the spacing pulley of No.1 24th, No. two spacing pulleys 25 and rotary shaft 26;The lifting frame 22 is positioned at the underface of No. two leading blocks 21, lifting frame 22 are fixedly mounted on the right-hand member of support rail 18;The quantity of the rotary shaft 26 is two, and two rotary shafts 26 are connected by bearing Connecing mode, symmetrically rotation is erected on the biside plate of lifting frame 22;The spacing pulley 24 of No.1 is fixedly mounted on a rotation On axle 26;No. two spacing pulleys 25 are fixedly mounted in another rotary shaft 26;One end of the rigid pull rope 12 with Winding roller 11 is connected, other end difference solderless wrapped connection and No.1 leading block 19 and No. two leading blocks of rigid pull rope 12 21, and after the passage formed through the spacing pulley 24 of No.1 and No. two spacing pulleys 25, be connected with clamping device 9.
The clamping device 9 includes lifting connecting seat 91, magnechuck 92, the second electric expansion bar 93 and grip block 94; Lifting connecting seat 91 top is fixedly mounted on the other end of rigid pull rope 12;The magnechuck 92 has been fixedly mounted on Hang the bottom of connecting seat 91;The quantity of second electric expansion bar 93 is two, and two the second electric expansion bars 93 are symmetrically pacified Mounted in the both sides of magnechuck 92, grip block 94 is mounted in two the second electric expansion bars 93;The grip block 94 it is interior Slipmat 95 is installed, slipmat 95 is made of elastomeric material, and slipmat 95, which is used to increase, to rub in side wall.
The bottom of the support post 14 is also fixedly installed control panel 27 and PLC 28, wherein PLC controls respectively The input of device 28 processed is electrically connected with control panel 27, and the output end of PLC 28 is electric with motor 3, elevator respectively Machine 13, the first electric expansion bar 16 and the second electric expansion bar 93 are electrically connected with.
Operation principle of the present utility model is:In use, mobile whole device is easy to appointed place, the roller 2 of setting The movement of whole device, it is time saving and energy saving, it is convenient and swift;Clamping device 9 is placed into the surface of power equipment, control two the Two electric expansion bars 93 extend so that the distance between two grip blocks 94 are more than the width of power equipment, control elevator motor 13 rotate backward, and winding roller 11 carries out unreeling operation to rigid pull rope 12, and clamping device 9 moves downward so that electromagnetism is inhaled Disk 92 contacts with power equipment, and magnechuck 92 adsorbs to power equipment, then controls two the second electric expansion bars 93 Shorten so that two grip blocks 94 clamp to the both sides of power equipment, so as to realize gripping for power equipment, afterwards The output shaft of control elevator motor 13 rotates forward, and winding roller 11 carries out winding operation, rigidity traction to rigid pull rope 12 The pulling clamping device 9 of rope 12 moves upwards, after power equipment is lifted to specified altitude assignment, stops elevator motor 13 and rotates, afterwards The first electric expansion bar 16 is controlled to shorten, now support rail 18 moves downward so that between lifting frame 22 and clamping device 9 Distance shorten, so can effectively avoid clamping device 9 from occurring significantly to swing when being impacted, improve power equipment The security of lifting;In addition, using motor 3 drive leading screw 5 rotate forward or rotate backward, can adjusting slider 6 exist Position on leading screw 5, and then the position adjustment of balancing weight 7 is realized, the position of Reasonable adjustment balancing weight 7 is advantageous to balancing weight 7 and filled Counterweight effect is waved in distribution, prevents whole device from turning on one's side.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It is appreciated that other embodiment.

Claims (10)

1. a kind of power equipment maintenance hanging apparatus, including support base(1), leading screw(5), sliding block(6), balancing weight(7), folder Hold mechanism(9), winding roller(11), rigid pull rope(12), support post(14), support rail(18), support beam(20) And lifting frame(22), it is characterised in that the support base(1)Left part upper surface respectively fix welding be provided with left fixation Plate(4)With right fixed plate(10), the left fixed plate(4)With right fixed plate(10)Upper rotated by bearing connected mode is provided with Leading screw(5), the sliding block(6)The mode of being connected through a screw thread is rotatably arranged on leading screw(5)On, the sliding block(6)Upper surface set It is equipped with balancing weight(7), the left fixed plate(4)Left side wall on be provided with for driving leading screw(5)The motor of rotation (3), the support base(1)Right-hand member upper surface be fixedly welded with vertical direction set support post(14), the branch Support column(14)Top right side wall on be fixedly welded with the support beam set in horizontal direction(20), the support post (14)Bottom right side wall on be fixedly welded with the support platform set in horizontal direction(15), the support beam(20)End Lower surface is fixedly installed No. two leading blocks(21), the support post(14)Upper left-hand wall on be provided with No.1 and lead To pulley(19), the support base(1)Right-hand member upper surface be installed with elevator motor(13), the elevator motor(13) Output shaft on be provided with winding roller(11), the support platform(15)Upper surface be fixedly installed for driving support horizontal Bar(18)The first electric expansion bar moved up and down(16), the support rail(18)Right-hand member set limited position mechanism, limit Position mechanism includes lifting frame(22), the spacing pulley of No.1(24), No. two spacing pulleys(25)And rotary shaft(26), the rotation Axle(26)Quantity be two, two rotary shafts(26)Symmetrically rotated by bearing connected mode and be erected at lifting frame(22)'s On biside plate, the spacing pulley of No.1(24)It is fixedly mounted on a rotary shaft(26)On, No. two spacing pulleys(25) It is fixedly mounted on another rotary shaft(26)On, the rigid pull rope(12)One end with winding roller(11)It is connected, just Property pull rope(12)The other end difference solderless wrapped connection and No.1 leading block(19)With No. two leading blocks(21), and limited through No.1 Position pulley(24)With No. two spacing pulleys(25)Between after the passage that is formed, with clamping device(9)It is connected, the clamping device (9)Including lifting by crane connecting seat(91), magnechuck(92), the second electric expansion bar(93)And grip block(94), the lifting company Joint chair(91)Top is fixedly mounted on rigid pull rope(12)The other end, the magnechuck(92)Lifting is fixedly mounted on to connect Joint chair(91)Bottom, second electric expansion bar(93)Quantity be two, two the second electric expansion bars(93)Symmetrically Installed in magnechuck(92)Both sides, two the second electric expansion bars(93)On be mounted on grip block(94).
A kind of 2. power equipment maintenance hanging apparatus according to claim 1, it is characterised in that the sliding block(6)'s Both ends upper surface is symmetrically installed with limiting plate(8), the limiting plate(8)On be connected through a screw thread mode and be provided with fastening spiral shell Bolt(23), fastening bolt(23)One end be provided with rotational handle, fastening bolt(23)The other end and balancing weight(7)Offset.
A kind of 3. power equipment maintenance hanging apparatus according to claim 1, it is characterised in that the motor (3)Output shaft and leading screw(5)Left end drive connection, motor(3)Using rotating servomotor.
A kind of 4. power equipment maintenance hanging apparatus according to claim 1, it is characterised in that the support base (1)Lower surface corner be provided with roller(2), roller(2)Using self-locking roller.
5. a kind of power equipment maintenance hanging apparatus according to claim 1, it is characterised in that the No.1, which is oriented to, to be slided Wheel(19)With No. two leading blocks(21)Highly set in same level.
A kind of 6. power equipment maintenance hanging apparatus according to claim 1, it is characterised in that the grip block(94) Madial wall on slipmat is installed(95), slipmat(95)It is made of elastomeric material.
A kind of 7. power equipment maintenance hanging apparatus according to claim 1, it is characterised in that the lifting frame (22)Positioned at No. two leading blocks(21)Underface, lifting frame(22)It is fixedly mounted on support rail(18)Right-hand member.
A kind of 8. power equipment maintenance hanging apparatus according to claim 1, it is characterised in that the support rail (18)Left end be installed with jacking sleeve(17), the jacking sleeve(17)Be slidably located in support post(14)On.
A kind of 9. power equipment maintenance hanging apparatus according to claim 1, it is characterised in that the support post (14)Bottom be also fixedly installed control panel respectively(27)And PLC(28).
A kind of 10. power equipment maintenance hanging apparatus according to claim 9, it is characterised in that the PLC (28)Input and control panel(27)It is electrically connected with, PLC(28)Output end respectively with motor(3), volume Raise motor(13), the first electric expansion bar(16)With the second electric expansion bar(93)It is electrically connected with.
CN201721034554.9U 2017-08-17 2017-08-17 A kind of power equipment maintenance hanging apparatus Expired - Fee Related CN207108303U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721034554.9U CN207108303U (en) 2017-08-17 2017-08-17 A kind of power equipment maintenance hanging apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721034554.9U CN207108303U (en) 2017-08-17 2017-08-17 A kind of power equipment maintenance hanging apparatus

Publications (1)

Publication Number Publication Date
CN207108303U true CN207108303U (en) 2018-03-16

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CN201721034554.9U Expired - Fee Related CN207108303U (en) 2017-08-17 2017-08-17 A kind of power equipment maintenance hanging apparatus

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108726393A (en) * 2018-05-29 2018-11-02 安徽大明汽车零部件有限公司 A kind of auto parts machinery surface electrophoretic paint handles hanging apparatus
CN109160265A (en) * 2018-08-31 2019-01-08 南京涵铭置智能科技有限公司 A kind of box body pick-and-place manipulator for intelligence manufacture
CN110871430A (en) * 2019-12-05 2020-03-10 舒适 A novel equipment for hardware is got and is put
CN111217275A (en) * 2020-03-20 2020-06-02 国网山东省电力公司龙口市供电公司 Hoisting device for loading and unloading equipment for electric power overhaul vehicle
CN111824981A (en) * 2020-07-27 2020-10-27 刘华军 Lifting appliance convenient for lifting of winding lifting belt
CN113384202A (en) * 2021-06-28 2021-09-14 重庆博林生活服务集团有限公司 Spraying device special for cleaning outer wall of high building
CN116675103A (en) * 2023-06-02 2023-09-01 董海涛 Building construction hoist device
CN117928905A (en) * 2023-12-06 2024-04-26 东风汽车股份有限公司 A cargo box side panel opening and closing durability test device and test method
CN118239399A (en) * 2024-05-24 2024-06-25 山东矿通智能装备有限公司 Electromechanical transportation lifting equipment for coal mine

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108726393A (en) * 2018-05-29 2018-11-02 安徽大明汽车零部件有限公司 A kind of auto parts machinery surface electrophoretic paint handles hanging apparatus
CN109160265A (en) * 2018-08-31 2019-01-08 南京涵铭置智能科技有限公司 A kind of box body pick-and-place manipulator for intelligence manufacture
CN110871430A (en) * 2019-12-05 2020-03-10 舒适 A novel equipment for hardware is got and is put
CN111217275A (en) * 2020-03-20 2020-06-02 国网山东省电力公司龙口市供电公司 Hoisting device for loading and unloading equipment for electric power overhaul vehicle
CN111217275B (en) * 2020-03-20 2021-08-03 国网山东省电力公司龙口市供电公司 Lifting device for loading and unloading equipment for electric maintenance vehicles
CN111824981A (en) * 2020-07-27 2020-10-27 刘华军 Lifting appliance convenient for lifting of winding lifting belt
CN113384202A (en) * 2021-06-28 2021-09-14 重庆博林生活服务集团有限公司 Spraying device special for cleaning outer wall of high building
CN116675103A (en) * 2023-06-02 2023-09-01 董海涛 Building construction hoist device
CN116675103B (en) * 2023-06-02 2023-11-17 董海涛 Building construction hoist device
CN117928905A (en) * 2023-12-06 2024-04-26 东风汽车股份有限公司 A cargo box side panel opening and closing durability test device and test method
CN118239399A (en) * 2024-05-24 2024-06-25 山东矿通智能装备有限公司 Electromechanical transportation lifting equipment for coal mine

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180316

Termination date: 20180817