CN205603067U - Portable gallows that overhauls - Google Patents

Portable gallows that overhauls Download PDF

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Publication number
CN205603067U
CN205603067U CN201620211220.3U CN201620211220U CN205603067U CN 205603067 U CN205603067 U CN 205603067U CN 201620211220 U CN201620211220 U CN 201620211220U CN 205603067 U CN205603067 U CN 205603067U
Authority
CN
China
Prior art keywords
bar
suspension bracket
balance base
mobile maintenance
rotating stand
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 - Fee Related
Application number
CN201620211220.3U
Other languages
Chinese (zh)
Inventor
熊忠
饶禁华
秦林
沈緐
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.)
State Grid Corp of China SGCC
Jiangxi Vocational and Technical College of Electricity
Original Assignee
State Grid Corp of China SGCC
Jiangxi Vocational and Technical College of Electricity
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 State Grid Corp of China SGCC, Jiangxi Vocational and Technical College of Electricity filed Critical State Grid Corp of China SGCC
Priority to CN201620211220.3U priority Critical patent/CN205603067U/en
Application granted granted Critical
Publication of CN205603067U publication Critical patent/CN205603067U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a portable gallows that overhauls belongs to and overhauls technical field, construct including portal and lifting machine, the portal includes the support frame and sets up the gallows crossbeam on the support frame, and the bottom of support frame is balanced base, and the bottom of balanced base is provided with a plurality of gyro wheels, and the balance base is vertical wears to be equipped with adjusting screw, and adjusting screw's top is provided with adjustment handle, and adjusting screw's bottom is provided with gallows unable adjustment base, the lifting machine structure sets up in the gallows crossbeam. It is stable that this technical scheme provides a balance, the safe simple portable gallows that overhauls of operation.

Description

A kind of mobile maintenance suspension bracket
Technical field
This utility model relates to apparatus for examination and repair technical field, moves in particular to one Formula maintenance suspension bracket.
Background technology
The maintenance suspension bracket being used for overhauling transformator in prior art is difficult to balance and stability, safety wind The problems such as danger is big, and operation is complicated.
Utility model content
The purpose of this utility model is to provide a kind of mobile maintenance suspension bracket, above-mentioned to improve Problem.
This utility model is achieved in that
The mobile maintenance suspension bracket that this utility model provides includes door frame and derricking gear, door frame Including bracing frame and the hanger beam being arranged on bracing frame, the bottom of bracing frame is the balance end Seat, the bottom of balance base is provided with multiple roller, and balance base is vertically equipped with regulation spiral shell Bar, the top of adjusting screw rod is provided with regulation handle, and the bottom of adjusting screw rod is provided with suspension bracket Firm banking;Derricking gear is arranged at hanger beam.
It is mobile that suspension bracket firm banking is used for making maintenance suspension bracket stop.Time actually used, hold tune Joint handle, makes adjusting screw rod raise by rotating regulation handle, and suspension bracket firm banking leaves ground Face, moves freely maintenance suspension bracket to the transformer equipment needing maintenance by roller;Then Regulation handle, makes adjusting screw rod decline, and suspension bracket firm banking props up the roof of transformer equipment, So that maintenance suspension bracket stops under the effect of frictional force;Finally utilize derricking gear by transformation Device core hangs out and carries out inspection operation, explains, visits displaying etc..Derricking gear is referred to existing There is technology, do not repeat at this.
The mobile maintenance suspension bracket that the application provides can move to different lifting positions, moves Dynamic convenient, flexible, it is possible to meet different actually used demands, suspension bracket is set simultaneously and fixes the end It is servo-actuated with stopping that seat is capable of this mobile maintenance suspension bracket.
Further, suspension bracket firm banking is fixed disk, and the bottom of fixed disk is provided with friction Rubber layer.
Friction rubber layer can increase bottom fixed disk with maintenance suspension bracket bottom equipment or ground Frictional force, thus avoid mobile maintenance suspension bracket lifting during move, it is simple to behaviour While work, improve the safety of operation.
Further, bracing frame includes at least two A-frame, and two A-frames are respectively Being arranged at the two ends of hanger beam, each A-frame includes the first bar and the second bar, first The top of bar and the second bar is all connected with hanger beam, the bottom of the first bar and balance base Side connects, and the bottom of the second bar is connected with the opposite side of balance base.
Use A-frame, it is possible to increase the structural stability of door frame.It should be noted that The both sides of balance base refer to both sides in the width direction.
Further, balance base is cross bar, the bottom of the bottom of the first bar and the second bar it Between connected by cross bar.
Balance base uses cross bar, on the one hand can alleviate the total quality of door frame, on the one hand Simple in construction, it is simple to while Yi Dong, it is simple to the derricking gear lifting maintenance on hanger beam Object.
Further, connected by the first reinforcement connecting rod between hanger beam and the first bar, hang Connected by the second reinforcement connecting rod between frame crossbeam and the second bar.
Along with the prolongation of the time of use, the first bar and the second bar during using with suspension bracket Connection between crossbeam there will be loosening, and the first reinforcement connecting rod and second is strengthened connecting rod and can be increased Strong first bar and the second bar and the bonding strength of hanger beam, extend the use time and carry The high stability used.
Further, hanger beam includes top board and is fixed on the i-beam track bottom top board Beam, the first bar and the second bar lay respectively at the both sides of i-beam track beam, the top of the first bar Fixing with the side of top board and be connected, the top of the second bar is fixing with the opposite side of top board to be connected.
I-beam track beam is easily installed various derricking gear, and range is wider, and operation is more Add conveniently.Top board is set, is on the one hand easily installed i-beam track beam, be on the other hand easy to Weld the first bar and the second bar.Top board is arranged at the top of the top flange of i-beam track beam, The part being positioned at i-beam track beam both sides of top board is respectively the both sides of i-beam track beam, Herein, what the side of top board and opposite side referred to is exactly top board be positioned at the two of i-beam track beam Side.
Further, derricking gear includes that at least one group hangs electric block, and group hangs electronic calabash Reed is arranged on i-beam track beam.
" group hangs electric block " is a kind of light little hoisting machinery, and it has body light weight, Parts hardness is high, little feature of wearing and tearing.The working space less in space uses the most flexible Fast.Can be consequently used for more aspect during the maintenance of transformator effective.
Further, the lower rotation of balance base is provided with multiple rotating stand, for propping up The bottom surface of support mobile maintenance suspension bracket is supporting surface, and multiple rotating stands are supported in balance base With time between supporting surface, roller leaves supporting surface.
" supporting surface " herein can be ground, it is also possible to is the top of repair apparatus, this The mobile maintenance suspension bracket that application provides moves the top to what, supports this mobile maintenance The plane of suspension bracket is supporting surface.When roller leaves ground when, this mobile maintenance hangs Frame entirety is supported by rotating stand, owing to the frictional force between rotating stand and supporting surface makes this Mobile maintenance suspension bracket stops mobile.Simple in construction, easy to operate.
Further, the longitudinal cross-section of rotating stand is triangle, wherein the one of rotating stand Individual sidewall is provided with support baseboard, when rotating stand is supported between balance base and supporting surface, Support baseboard contacts with supporting surface.
Using the rotating stand of this kind of structure, stability is higher.Support baseboard increases contact surface Long-pending, reduce rotating stand by force intensity, improve the stability of door frame, extend the use time.
Further, balance base is vertically slidable is embedded with multiple stop collar, each stop collar It is correspondingly arranged in the top of one of them rotating stand;The lateral cross section of stop collar is rectangle, Stop collar is provided with the rectangular channel of up/down perforation, and balance base is provided with screw, and screw is worn Being provided with bolt, the end of bolt props up stop collar;Stop collar props up by being moved downward to rotate The outside of seat realizes the restriction to rotating stand position.
Stop collar is mainly used in limiting the position of rotating stand, makes rotating stand bear movement When formula overhauls the gravity of suspension bracket, still can not change holding position, and then ensure behaviour The safety made.Stop collar can move up and down in balance base, and rotating stand does not uses Time, rotating stand turns to the position near balance base, and rotating stand is supported in the balance end Time between seat and supporting surface, unscrewing bolt, stop collar is moved downward to the outside of rotating stand And the inwall of stop collar abuts to rotating stand, due to rectangular channel position in transverse plane It is fixing for putting, and therefore rotating stand is positioned at rectangular channel and abuts to rectangular channel inwall After, rotating stand swing in transverse plane is restricted, thus realizes propping up rotating The restriction that seat is put.Bolt is for limiting the position that stop collar moves up and down.
The beneficial effects of the utility model: it is higher that the technical program provides a kind of stability, The mobile maintenance suspension bracket stopped at any time can being moved at any time, operate safe and simple.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below will be to reality Execute the required accompanying drawing used in example to be briefly described, it will be appreciated that the following drawings is only shown Go out some embodiment of the present utility model, be therefore not construed as the restriction to scope, For those of ordinary skill in the art, on the premise of not paying creative work, also Other relevant accompanying drawings can be obtained according to these accompanying drawings.
The front view of the mobile maintenance suspension bracket that Fig. 1 provides for this utility model embodiment;
Fig. 2 is the side view of the first door frame of the mobile maintenance suspension bracket shown in Fig. 1;
Fig. 3 is the side view of the second door frame of the mobile maintenance suspension bracket shown in Fig. 1;
Fig. 4 is the structural representation setting up stop collar in structure shown in Fig. 3.
In figure:
Door frame 101;Derricking gear 102;Bracing frame 103;Hanger beam 104;The balance end Seat 105;Roller 106;Adjusting screw rod 107;Regulation handle 108;Suspension bracket firm banking 109; Friction rubber layer 201;Top board 202;I-beam track beam 203;Rotating stand 300;? Support base plate 301;Stop collar 302.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, under The accompanying drawing that face will combine in this utility model embodiment, to the skill in this utility model embodiment Art scheme is clearly and completely described, it is clear that described embodiment is that this practicality is new The a part of embodiment of type rather than whole embodiments.Generally described in the accompanying drawing herein and The assembly of this utility model embodiment illustrated can be arranged with various different configurations and set Meter.
Therefore, detailed description to the embodiment of the present utility model provided in the accompanying drawings below It is not intended to limit claimed scope of the present utility model, but is merely representative of this practicality Novel selected embodiment.Based on the embodiment in this utility model, ordinary skill The every other embodiment that personnel are obtained under not making creative work premise, all belongs to Scope in this utility model protection.
It should also be noted that similar label and letter represent similar terms in following accompanying drawing, because of This, be defined in the most a certain Xiang Yi accompanying drawing, then it is right to need not in accompanying drawing subsequently It defines further and explains.
In description of the present utility model, it should be noted that term " on ", " vertically " It is based on orientation shown in the drawings or position relationship in the orientation indicated or position relationship, or It is the orientation or position relationship usually put during the use of this utility model product, merely to just In describing this utility model and simplifying description rather than instruction or the device of hint indication or unit Part must have specific orientation, with specific azimuth configuration and operation, be not understood that For to restriction of the present utility model.Additionally, term " first ", " second " etc. are only used for district Divide and describe, and it is not intended that indicate or hint relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clear and definite rule Determining and limit, term " is arranged ", " connection " should be interpreted broadly, for example, it may be fixing Connect, it is also possible to be to removably connect, or be integrally connected;Can be to be mechanically connected, also It can be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, may be used Above-mentioned term concrete meaning in this utility model is understood with concrete condition.
Specific embodiment, referring to figs. 1 through Fig. 4.
The front view of the mobile maintenance suspension bracket that Fig. 1 provides for this utility model embodiment;Figure The side view that 2 is the first door frame of the mobile maintenance suspension bracket shown in Fig. 1;Fig. 3 is Fig. 1 The side view of the second door frame of shown mobile maintenance suspension bracket.
As it is shown in figure 1, the mobile maintenance suspension bracket that the present embodiment provides includes door frame 101 He Derricking gear 102, door frame 101 includes bracing frame 103 and is arranged on bracing frame 103 Hanger beam 104, the bottom of bracing frame 103 is balance base 105, balance base 105 Bottom be provided with multiple roller 106, balance base 105 is vertically equipped with adjusting screw rod 107, The top of adjusting screw rod 107 is provided with regulation handle 108, and the bottom of adjusting screw rod 107 sets It is equipped with suspension bracket firm banking 109;Derricking gear 102 is arranged at hanger beam 104.
It is mobile that suspension bracket firm banking 109 is used for making maintenance suspension bracket stop.Time actually used, hold Live regulation handle 108, make adjusting screw rod 107 raise by rotating regulation handle 108, hang Frame firm banking 109 leaves ground, moves freely maintenance suspension bracket to needs by roller 106 On the transformer equipment of maintenance;Then regulation handle 108, makes adjusting screw rod 107 decline, Suspension bracket firm banking 109 props up the roof of transformer equipment, so that maintenance suspension bracket is in friction Stop under the effect of power;Finally utilize derricking gear 102 to be hung out by transformer core to overhaul Operate, explain, visit displaying etc..Derricking gear 102 is referred to prior art, at this Do not repeat.
The mobile maintenance suspension bracket that the application provides can move to different lifting positions, moves Dynamic convenient, flexible, it is possible to meet different actually used demands, suspension bracket is set simultaneously and fixes the end It is servo-actuated with stopping that seat 109 is capable of this mobile maintenance suspension bracket.
Improving door frame 101 further below, improvement project is preferably but not limited to following Mode.
As in figure 2 it is shown, bracing frame 103 includes that at least two A-frame, two triangles prop up Frame is respectively arranged at the two ends of hanger beam 104, and each A-frame includes the first bar and Two bars, the top of the first bar and the second bar is all connected with hanger beam 104, the end of the first bar End is connected with the side of balance base 105, and the bottom of the second bar is another with balance base 105 Side connects.Use A-frame, it is possible to increase the structural stability of door frame 101.Need Illustrating, the both sides of balance base 105 refer to both sides in the width direction.
Balance base 105 is cross bar, passes through between bottom and the bottom of the second bar of the first bar Cross bar connects.Balance base 105 uses cross bar, on the one hand can alleviate the whole of door frame 101 Weight, on the one hand simple in construction, it is simple to while Yi Dong, it is simple on hanger beam 104 Derricking gear 102 lifting maintenance object.
Connected by the first reinforcement connecting rod between hanger beam 104 and the first bar, hanger beam 104 and second are connected by the second reinforcement connecting rod between bar.Along with the prolongation of the time of use, First bar and the connection during using and between hanger beam 104 of second bar there will be Loosening, connecting rod strengthened by the first reinforcement connecting rod and second can strengthen the first bar and the second bar With the bonding strength of hanger beam 104, extend the use time and improve the stability used.
Hanger beam 104 includes top board 202 and is fixed on the bull headction bottom top board 202 Road beam 203, the first bar and the second bar lay respectively at the both sides of i-beam track beam 203, the The top of one bar is fixing with the side of top board 202 to be connected, the top of the second bar and top board 202 Opposite side fixing connect.
I-beam track beam 203 is easily installed various derricking gear 102, and range is wider, More convenient to operate.Top board 202 is set, is on the one hand easily installed i-beam track beam 203, On the other hand it is easy to weld the first bar and the second bar.Top board 202 is arranged at i-beam track beam The top of the top flange of 203, the portion being positioned at i-beam track beam 203 both sides of top board 202 Point be respectively i-beam track beam 203 both sides, herein, the side of top board 202 and another What side referred to is exactly the both sides being positioned at i-beam track beam 203 of top board 202.
Below derricking gear 102 is further limited.Derricking gear 102 includes at least One group hangs electric block, and group hangs electric block and is arranged on i-beam track beam 203.
" group hangs electric block " is a kind of light little hoisting machinery, and it has body light weight, Parts hardness is high, little feature of wearing and tearing.The working space less in space uses the most flexible Fast.Can be consequently used for more aspect during the maintenance of transformator effective.
Fix this mobile maintenance suspension bracket and be preferably but not limited to following mode.
First kind of way, suspension bracket firm banking 109 is fixed disk, and the bottom of fixed disk is arranged There is friction rubber layer 201.Friction rubber layer 201 can increase and hangs with maintenance bottom fixed disk Frame bottom equipment or the frictional force on ground, thus avoid mobile maintenance suspension bracket in lifting During move, it is simple to while operation, improve operation safety.
The second way, as it is shown on figure 3, the lower rotation of balance base 105 is provided with many Individual rotating stand 300, is supporting surface for supporting the bottom surface of mobile maintenance suspension bracket, multiple When rotating stand 300 is supported between balance base 105 and supporting surface, roller 106 leaves Supporting surface.
" supporting surface " herein can be ground, it is also possible to is the top of repair apparatus, this The mobile maintenance suspension bracket that application provides moves the top to what, supports this mobile maintenance The plane of suspension bracket is supporting surface.When roller 106 leaves ground when, this movable type is examined Repair suspension bracket entirety to be supported by rotating stand 300, due between rotating stand 300 and supporting surface Frictional force to make this mobile maintenance suspension bracket stop mobile.Simple in construction, easy to operate.
Preferred version in the second way, the longitudinal cross-section of rotating stand is triangle, turns One of them sidewall of dynamic bearing is provided with support baseboard 301, and rotating stand 300 is supported in Time between balance base 105 and supporting surface, support baseboard 301 contacts with supporting surface.
Using the rotating stand of this kind of structure, stability is higher.Support baseboard 301 increase connects Contacting surface is amassed, reduce rotating stand 300 by force intensity, improve the stability of door frame 101, Extend the use time.
The third mode, as shown in Figure 4, balance base 105 is vertically slidable be embedded with multiple Stop collar 302, each stop collar 302 is correspondingly arranged in one of them rotating stand 300 Top;The lateral cross section of stop collar 302 is rectangle, and stop collar 302 is provided with up/down perforation Rectangular channel, balance base 105 is provided with screw, and screw is equipped with bolt, bolt End props up stop collar 302;Stop collar 302 is by being moved downward to rotating stand 300 Outside realizes the restriction to rotating stand 300 position.
Stop collar 302 is mainly used in limiting the position of rotating stand 300, makes rotating stand 300 When bearing the gravity of mobile maintenance suspension bracket, still can not change holding position, And then ensure the safety of operation.Stop collar 302 can in balance base 105 on move down Dynamic, when rotating stand 300 does not uses, rotating stand 300 turns near balance base 105 Position, when rotating stand 300 is supported between balance base 105 and supporting surface, unscrew Bolt, stop collar 302 is moved downward to the outside of rotating stand 300 and stop collar 302 Inwall abuts to rotating stand 300, owing to rectangular channel position in transverse plane is solid Fixed, therefore rotating stand 300 is positioned at rectangular channel and abuts to rectangular channel inwall, The rotating stand 300 swing in transverse plane is restricted, thus realizes propping up rotating The restriction of seat 300 positions.Bolt is for limiting the position that stop collar 302 moves up and down.
The foregoing is only preferred embodiment of the present utility model, be not limited to this Utility model, for a person skilled in the art, this utility model can have various more Change and change.All within spirit of the present utility model and principle, any amendment of being made, Equivalent, improvement etc., within should be included in protection domain of the present utility model.

Claims (10)

1. a mobile maintenance suspension bracket, it is characterised in that include door frame and derricking gear, Described door frame includes bracing frame and the hanger beam being arranged on support frame as described above, described support The bottom of frame is balance base, and the bottom of described balance base is provided with multiple roller, described Balance base is vertically equipped with adjusting screw rod, and the top of described adjusting screw rod is provided with regulation hands Handle, the bottom of described adjusting screw rod is provided with suspension bracket firm banking;Described derricking gear is arranged In described hanger beam.
Mobile maintenance suspension bracket the most according to claim 1, it is characterised in that described Suspension bracket firm banking is fixed disk, and the bottom of described fixed disk is provided with friction rubber layer.
Mobile maintenance suspension bracket the most according to claim 1, it is characterised in that described Bracing frame includes at least two A-frame, and two described A-frames are respectively arranged at described The two ends of hanger beam, each described A-frame includes the first bar and the second bar, described The top of one bar and described second bar is all connected with described hanger beam, the end of described first bar End is connected with the side of described balance base, the bottom of described second bar and described balance base Opposite side connect.
Mobile maintenance suspension bracket the most according to claim 3, it is characterised in that described Balance base is cross bar, passes through between bottom and the bottom of described second bar of described first bar Described cross bar connects.
Mobile maintenance suspension bracket the most according to claim 3, it is characterised in that described Connected by the first reinforcement connecting rod between hanger beam and described first bar, described hanger beam And connected by the second reinforcement connecting rod between described second bar.
Mobile maintenance suspension bracket the most according to claim 3, it is characterised in that described Hanger beam includes top board and is fixed on the i-beam track beam bottom described top board, described the One bar and described second bar lay respectively at the both sides of described i-beam track beam, described first bar The side of top and described top board fixing is connected, the top of described second bar and described top board Opposite side fixing connect.
Mobile maintenance suspension bracket the most according to claim 6, it is characterised in that described Derricking gear includes that at least one group hangs electric block, and described group hangs electric block and is arranged at institute State on i-beam track beam.
Mobile maintenance suspension bracket the most according to claim 1, it is characterised in that described The lower rotation of balance base is provided with multiple rotating stand, is used for supporting mobile maintenance and hangs The bottom surface of frame is supporting surface, and multiple described rotating stands are supported in described balance base and described Time between supporting surface, described roller leaves described supporting surface.
Mobile maintenance suspension bracket the most according to claim 8, it is characterised in that described The longitudinal cross-section of rotating stand is triangle, and one of them sidewall of described rotating stand is arranged Support baseboard, described rotating stand is had to be supported between described balance base and described supporting surface Time, described support baseboard contacts with described supporting surface.
Mobile maintenance suspension bracket the most according to claim 9, it is characterised in that institute Stating that balance base is vertically slidable is embedded with multiple stop collar, each described stop collar is correspondingly arranged In the top of rotating stand one of them described;The lateral cross section of described stop collar is rectangle, Described stop collar is provided with the rectangular channel of up/down perforation, and described balance base is provided with screw, Described screw is equipped with bolt, and the end of described bolt props up described stop collar;Described spacing Overlap the outside by being moved downward to described rotating stand to realize described rotating stand position Limit.
CN201620211220.3U 2016-03-18 2016-03-18 Portable gallows that overhauls Expired - Fee Related CN205603067U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620211220.3U CN205603067U (en) 2016-03-18 2016-03-18 Portable gallows that overhauls

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620211220.3U CN205603067U (en) 2016-03-18 2016-03-18 Portable gallows that overhauls

Publications (1)

Publication Number Publication Date
CN205603067U true CN205603067U (en) 2016-09-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620211220.3U Expired - Fee Related CN205603067U (en) 2016-03-18 2016-03-18 Portable gallows that overhauls

Country Status (1)

Country Link
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105621242A (en) * 2016-03-18 2016-06-01 江西电力职业技术学院 Movable type overhauling hanging bracket
CN107055343A (en) * 2017-04-28 2017-08-18 国网山东省电力公司平原县供电公司 A kind of new distribution transformer installs transporter
CN109160434A (en) * 2018-09-30 2019-01-08 中国二十冶集团有限公司 Hanging apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105621242A (en) * 2016-03-18 2016-06-01 江西电力职业技术学院 Movable type overhauling hanging bracket
CN105621242B (en) * 2016-03-18 2017-10-03 江西电力职业技术学院 A kind of mobile maintenance suspension bracket
CN107055343A (en) * 2017-04-28 2017-08-18 国网山东省电力公司平原县供电公司 A kind of new distribution transformer installs transporter
CN109160434A (en) * 2018-09-30 2019-01-08 中国二十冶集团有限公司 Hanging apparatus

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160928

Termination date: 20190318

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