CN108002269B - A kind of simple pole type transformer lifting device - Google Patents

A kind of simple pole type transformer lifting device Download PDF

Info

Publication number
CN108002269B
CN108002269B CN201711236887.4A CN201711236887A CN108002269B CN 108002269 B CN108002269 B CN 108002269B CN 201711236887 A CN201711236887 A CN 201711236887A CN 108002269 B CN108002269 B CN 108002269B
Authority
CN
China
Prior art keywords
support bar
anchor ear
pulley
fixed
connector
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.)
Active
Application number
CN201711236887.4A
Other languages
Chinese (zh)
Other versions
CN108002269A (en
Inventor
马伟伟
苗兴胜
刘钊
马丽
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
Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Jinan Power Supply Co of State Grid Shandong Electric Power 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 State Grid Corp of China SGCC, Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201711236887.4A priority Critical patent/CN108002269B/en
Publication of CN108002269A publication Critical patent/CN108002269A/en
Application granted granted Critical
Publication of CN108002269B publication Critical patent/CN108002269B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00Portable or mobile lifting or hauling appliances
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00Portable or mobile lifting or hauling appliances
    • B66D3/04Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
    • B66D3/06Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage with more than one pulley
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00Portable or mobile lifting or hauling appliances
    • B66D3/12Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable

Abstract

The invention discloses a kind of simple pole type transformer lifting devices, including first support bar, second support bar, one end of the first support bar and one end of second support bar are hinged, the other end of the first support bar is fixed on the first anchor ear, the other end of the second support bar is articulated on the second anchor ear, first anchor ear, second anchor ear is fixed on electric pole, the first support bar and second support bar hinged end are higher than the height of the first anchor ear and the second anchor ear, a steel wire is fixed between the first support bar and second support bar, the steel wire is equipped with traction device.Of the invention cost is relatively low, and structure is simple and stability is high, is convenient to construct under complicated geographical conditions, solves the problems, such as that the places such as massif gully are difficult to construct.

Description

A kind of simple pole type transformer lifting device
Technical field
The present invention relates to a kind of power construction equipment, and in particular to a kind of simple pole type transformer lifting device.
Background technique
Transformer is the equipment for power transmission and distribution of power industry indispensability, and demand and power network scale of investment are closely related.Transformation The effect of device be it is various, can not only increase voltage electric energy be sent to electricity consumption area, moreover it is possible to voltage is reduced to uses at different levels Voltage has great shadow for entire power industry to meet the focus of work for needing State Grid Corporation of China and the development strategy of electricity consumption It rings, distribution automation and implementing for upgrading of rural power grids work will drive the fast development for becoming field of power distribution, especially transformer market Total demand, bidding quantity will greatly increase.
In power matching network operation, is risen when pole type transformer failure need to be exchanged in operation using which kind of and reuse equipment one Directly annoying construction personnel.It is time saving and energy saving using crane lifting, but due to the burst of failure, often crane cannot reach existing in time Field is limited by field condition, and crane can not carry out lifting operation.Using traditional artificial hanging method, need construction personnel compared with It is more, be not suitable for the status that personnel increasingly simplify, when artificial lifting is limited by landform, it cannot be guaranteed that when enough drawstring angles, it must Increase drawstring personnel, it is inefficient.
Summary of the invention
The present invention is in view of the above-mentioned problems, provide a kind of simple pole type transformer lifting device, and cost is relatively low for equipment, knot Structure is simple and stability is high, is convenient to construct under complicated geographical conditions, solves what the place such as massif gully was difficult to construct Problem.
The technical solution of present invention solution technical problem are as follows: a kind of simple pole type transformer lifting device, including first Strut, second support bar, one end of the first support bar and one end of second support bar are hinged, the first support bar it is another One end is fixed on the first anchor ear, and the other end of the second support bar is articulated on the second anchor ear, first anchor ear, second Anchor ear is fixed on electric pole, and the first support bar is higher than the height of the first anchor ear and the second anchor ear with second support bar hinged end Degree, is fixed with a steel wire between the first support bar and second support bar, the steel wire is equipped with traction device;
The first support bar is telescopic rod, and the first support bar is equipped with adjustment device, and the adjustment device is used In the length for adjusting first support bar, the second support bar includes the second upper connecting rod and the second lower link, is connected on described second Bar is arranged by linear bearing and the sliding of the second lower link, and the end of second upper connecting rod and first support bar are hinged, described The end of second lower link and the second anchor ear are hinged, and one end of the steel wire is fixed on the second lower link;
The first support bar includes the first upper connecting rod and the first lower link, and first upper connecting rod and the second upper connecting rod are cut with scissors It connects, a screw rod is equipped with by bearing rotation in first lower link, first upper connecting rod is equipped with threaded hole, the screw rod One end be threadedly engaged with threaded hole, the adjustment device include the first bevel gear, the second bevel gear and the first handwheel, it is described The first connector is fixed on first anchor ear, the end of first lower link is fixed on the first connector, the screw rod The other end be pierced by by the end of the first lower link after be coaxially fixed with the first bevel gear, second bevel gear passes through bearing It being rotatably dispose on the first connector and is engaged with the first bevel gear, first bevel gear is coaxially fixed with the first spur gear, First spur gear is connect by chain with first-hand wheel chain, further includes third anchor ear, the third anchor ear is fixed on electricity On bar and it is located at the lower section of the first anchor ear, is fixed with third connector on the third anchor ear, first hand wheel rotating is set It is placed on third connector.
Further, the traction device includes first pulley, second pulley, third pulley, and the first pulley passes through Link is set on steel wire, and the link can slide on steel wire, and the second pulley is set to the lower section of first pulley, described Second pulley is equipped with upper hook, the end of draught line is fixed in the upper hook, draught line is successively from the upper end of first pulley With the lower end of second pulley around the upper end for bypassing third pulley later, the third pulley is rotatably dispose in the by a connecting rod It further include the 4th anchor ear on two lower links, the 4th anchor ear is fixed on electric pole and is located at the lower section of the second anchor ear, and described the The 4th connector is fixed on four anchor ears, rotation is provided with the second handwheel on the 4th connector, and the draught line bypasses It is fixed after third pulley on solderless wrapped connection and the second handwheel, is additionally provided with lower draw-bar in the second pulley.
Further, the first support bar and horizontal angle are 45 degree.
Further, it is fixed with the second connector on second anchor ear, the second support bar is articulated with the second company On junctor.
The effect provided in summary of the invention is only the effect of embodiment, rather than invents all whole effects, above-mentioned A technical solution in technical solution have the following advantages that or the utility model has the advantages that
1, of the invention cost is relatively low, and structure is simple and stability is high, is convenient to construct under complicated geographical conditions, solve Places such as massif gully of having determined are difficult to the problem of constructing.
2, the present invention is fixed on the support on two electric poles as lifting transformer by first support bar and second support bar, And hinged end is higher than the height of the first anchor ear and the second anchor ear, from making the folder for having certain between first support bar and second support bar Angle can be such that the gravity of transformer is decomposed into perpendicular to first support bar, the power of second support bar and along first support bar, second The power of support rod length direction, the straight-bar horizontal compared to the setting one between two electric poles are used to support the weight of transformer, subtract The small stress of first support bar and second support bar vertical direction is bent so as to avoid first support bar and second support bar Or the generation of bending.
3, the present invention is by being set as telescopic rod for first support bar and second support bar, and adjusts first by adjusting device The length of support rod adjusts the position of first support bar Yu second support bar hinged end by adjusting the length of first support bar It sets, to control the position of traction device on steel wire, reaches control transformer and move left and right, to adapt to transformation during the installation process The mobile demand in device position.
4, the first handwheel of adjustment device of the invention and the second handwheel of traction device pass through third anchor ear and respectively Four anchor ears are set to the lower section of electric pole, and staff only needs the first handwheel of shake that moving left and right for transformer can be realized, shakes The lifting action of transformer can be realized in second handwheel, more laborsaving and convenient.
5, when slinging movement, first support bar is identical as the length of second support bar, keeps transformer in an intermediate position, The present invention is 45 degree by first support bar and horizontal angle, and first support bar and second support bar can be made vertical, from And undertake the gravity of transformer by first support bar and second support bar length direction to greatest extent, to mitigate first The stress of strut and second support bar vertical direction burden.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the schematic diagram of the section structure of adjustment device of the invention;
Fig. 3 is the schematic diagram of the section structure of second support bar of the invention;
Fig. 4 is the schematic diagram of the section structure of the second handwheel of the invention;
In figure, 1, first support bar, the 11, first anchor ear, the 111, first connector, 13, adjustment device, the 131, first umbrella tooth Wheel, the 132, second bevel gear, the 133, first handwheel, the 134, first spur gear, 135, chain, 136, third anchor ear, 137, third Connector, the 14, first upper connecting rod, the 15, first lower link, 16, screw rod, 2, second support bar, the 21, second anchor ear, 211, second Connector, the 22, second upper connecting rod, the 23, second lower link, 3, steel wire, 4, traction device, 41, first pulley, 42, second pulley, 421, upper hook, 422, lower draw-bar, 43, third pulley, 44, draught line, the 45, the 4th anchor ear, the 451, the 4th connector, 46, Two handwheels.
Specific embodiment
In order to clearly illustrate the technical characterstic of this programme, below by specific embodiment, and its attached drawing 1 to 4 is combined, The present invention will be described in detail.Following disclosure provide many different embodiments or example be used to realize it is of the invention not Same structure.In order to simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.In addition, of the invention Can in different examples repeat reference numerals and/or letter.This repetition is that for purposes of simplicity and clarity, itself is not It indicates that the relationship between various embodiments and/or setting is discussed.It should be noted that illustrated component is not necessarily pressed in the accompanying drawings Ratio is drawn.Present invention omits the descriptions to known assemblies and treatment technology and process to avoid this hair is unnecessarily limiting It is bright.
A kind of simple pole type transformer lifting device, including first support bar 1, second support bar 2, the first support bar 1 one end and one end of second support bar 2 are hinged, and the other end of the first support bar 1 is fixed on the first anchor ear 11, described The other end of second support bar 2 is articulated on the second anchor ear 21, and first anchor ear 11, the second anchor ear 21 are fixed on electric pole, Height of the first support bar 1 with 2 hinged end of second support bar higher than the first anchor ear 11 and the second anchor ear 21, described first A steel wire 3 is fixed between strut 1 and second support bar 2, the steel wire 3 is equipped with traction device 4.It can make on traction device The gravity of transformer be decomposed into perpendicular to first support bar, the power of second support bar and along first support bar, second support bar The power of length direction, the straight-bar horizontal compared to the setting one between two electric poles are used to support the weight of transformer, reduce the The stress of one support rod and second support bar vertical direction, so as to avoid first support bar and second support bar bending or bending Generation.
The first support bar 1 is telescopic rod, and the first support bar 1 is equipped with adjustment device 13, the adjustment dress 13 are set for adjusting the length of first support bar 1, the second support bar 2 includes the second upper connecting rod 22 and the second lower link 23, The upper connecting rod 22 is arranged by linear bearing and the sliding of lower link 23, and the end of the upper connecting rod 22 and first support bar 1 are cut with scissors It connecing, the end of the lower link 23 and the second anchor ear 21 are hinged, the second connector 211 is fixed on second anchor ear 21, The second support bar 2 is articulated on the second connector 211.One end of the steel wire 3 is fixed on lower link 23.Described first Support rod 1 includes the first upper connecting rod 14 and the first lower link 15, and first upper connecting rod and the second upper connecting rod are hinged, and described first A screw rod 16 is equipped with by bearing rotation in lower link 15, first upper connecting rod 14 is equipped with threaded hole, the screw rod 16 One end is threadedly engaged with threaded hole, and the adjustment device 13 includes the first bevel gear 131, the second bevel gear 132 and the first handwheel 133, the first connector 111 is fixed on first anchor ear 11, and the first company is fixed in the end of first lower link 15 On junctor 111, the other end of the screw rod 16 is coaxially fixed with the first bevel gear after being pierced by by the end of the first lower link 15 131, second bevel gear 132 is rotatably dispose on the first connector 111 by bearing and is engaged with the first bevel gear 131, First bevel gear 131 is coaxially fixed with the first spur gear 134, first spur gear 134 by chain 135 with it is first-hand The connection of 133 chains is taken turns, further includes third anchor ear 136, the third anchor ear 136 is fixed on electric pole and is located at the first anchor ear 11 Lower section, third connector 137 is fixed on the third anchor ear 136, and first handwheel 133 is rotatably dispose in third connection On body 137.The present invention adjusts first by the way that first support bar and second support bar are set as telescopic rod by adjusting device The length of strut adjusts the position of first support bar Yu second support bar hinged end by adjusting the length of first support bar, To control the position of traction device on steel wire, reaches control transformer and move left and right, to adapt to transformer during the installation process The mobile demand in position.First handwheel of adjustment device of the invention is set to the lower section of electric pole by third anchor ear, and work people Member, which only needs to shake the first handwheel on the ground, can be realized moving left and right for transformer, more laborsaving and convenient.
The traction device 4 includes first pulley 41, second pulley 42, third pulley 43, and the first pulley 41 passes through Link is set on steel wire 3, and the link can slide on steel wire 3, and the second pulley 42 is set under first pulley 41 Side, the second pulley 42 are equipped with upper hook 421, are fixed with the end of draught line 44 in the upper hook 421, draught line 44 according to The lower end of secondary upper end and second pulley 42 from first pulley 41 is around the upper end for bypassing third pulley 43 later, the third pulley 43 are rotatably dispose on the second lower link 23 by a connecting rod, further include the 4th anchor ear 45, and the 4th anchor ear 45 is fixed on On electric pole and it is located at the lower section of the second anchor ear 21, the 4th connector 451 is fixed on the 4th anchor ear 45, the described 4th connects Rotation is provided with the second handwheel 46 on junctor 451, and the draught line 44 fixes solderless wrapped connection and the second handwheel after bypassing third pulley 43 On 46, lower draw-bar 422 is additionally provided in the second pulley 42.Second handwheel of traction device of the invention is set by the 4th anchor ear It is placed in the lower section of electric pole, staff, which only needs to shake the second handwheel, can be realized the lifting action of transformer, more laborsaving and just It is prompt.
The first support bar 1 and horizontal angle are 45 degree, first support bar and the second support when slinging movement The length of bar is identical, keeps transformer in an intermediate position, and first support bar and second support bar can be made vertical, to make transformation The gravity of device is undertaken by first support bar and second support bar length direction to greatest extent, to mitigate first support bar and The stress of two support rod vertical direction is born.
Specific work process of the invention:
Transformer to be sling is fixed on hook 422 by rope, the second handwheel 46 is shaken, in the work of traction device 4 Transformer is sling with lower, then transformer is placed in support device in the lower section fittable slackening device of transformer, is completed The installment work of transformer such as needs to move the left-right position of transformer in the process, shakes the first handwheel 133, It drives screw rod 16 to rotate in threaded hole, realizes the expanding-contracting action of first support bar, and the angle of first support bar is constant, drives The translation that transformer is controlled, and cooperate traction device that transformer is moved to suitable position.
Of the invention cost is relatively low, and structure is simple and stability is high, convenient to construct under complicated geographical conditions, solves The places such as massif gully are difficult to the problem of constructing.
Although above-mentioned be described in conjunction with specific embodiment of the attached drawing to invention, not to the scope of the present invention Limitation, based on the technical solutions of the present invention, those skilled in the art do not need to make the creative labor and can make Various modifications or changes still within protection scope of the present invention.

Claims (4)

1. a kind of simple pole type transformer lifting device, which is characterized in that including first support bar (1), second support bar (2), One end of the first support bar (1) and one end of second support bar (2) are hinged, and the other end of the first support bar (1) is solid Due on the first anchor ear (11), the other end of the second support bar (2) is articulated on the second anchor ear (21), first anchor ear (11), the second anchor ear (21) is fixed on electric pole, and the first support bar (1) and second support bar (2) hinged end are higher than first The height of anchor ear (11) and the second anchor ear (21) is fixed with a steel wire between the first support bar (1) and second support bar (2) (3), the steel wire (3) is equipped with traction device (4);
The first support bar (1) is telescopic rod, and the first support bar (1) is equipped with adjustment device (13), the adjustment Device (13) is used to adjust the length of first support bar (1), and the second support bar (2) includes the second upper connecting rod (22) and second Lower link (23), second upper connecting rod (22) is arranged by linear bearing and the second lower link (23) sliding, on described second The end of connecting rod (22) and first support bar (1) hingedly, the end and the second anchor ear (21) of second lower link (23) hingedly, One end of the steel wire (3) is fixed on the second lower link (23);
The first support bar (1) includes the first upper connecting rod (14) and the first lower link (15), and first lower link (15) is interior A screw rod (16) are equipped with by bearing rotation, first upper connecting rod (14) is equipped with threaded hole, one end of the screw rod (16) It is threadedly engaged with threaded hole, the adjustment device (13) includes the first bevel gear (131), the second bevel gear (132) and first-hand It takes turns (133), is fixed with the first connector (111) on first anchor ear (11), the end of first lower link (15) is solid Due on the first connector (111), the other end of the screw rod (16) is coaxial solid after being pierced by by the end of the first lower link (15) Surely the first bevel gear (131) are equipped with, second bevel gear (132) is rotatably dispose on the first connector (111) by bearing And engaged with the first bevel gear (131), first bevel gear (131) is coaxially fixed with the first spur gear (134), and described first Spur gear (134) is connect by chain (135) with the first handwheel (133) chain, further includes third anchor ear (136), the third Anchor ear (136) is fixed on the lower section on electric pole and being located at the first anchor ear (11), is fixed with third on the third anchor ear (136) Connector (137), first handwheel (133) are rotatably dispose on third connector (137).
2. a kind of simple pole type transformer lifting device as described in claim 1, which is characterized in that the traction device (4) Including first pulley (41), second pulley (42), third pulley (43), the first pulley (41) is set to steel wire by link (3) on, the link can slide on steel wire (3), and the second pulley (42) is set to the lower section of first pulley (41), described Second pulley (42) is equipped with upper hook (421), and the end of draught line (44), draught line are fixed on the upper hook (421) (44) successively from the upper end of first pulley (41) and the lower end of second pulley (42) around the upper end for bypassing third pulley (43) later, The third pulley (43) is rotatably dispose on the second lower link (23) by a connecting rod, further includes the 4th anchor ear (45), institute It states the 4th anchor ear (45) and is fixed on the lower section on electric pole and being located at the second anchor ear (21), be fixed on the 4th anchor ear (45) 4th connector (451) is rotated on the 4th connector (451) and is provided with the second handwheel (46), the draught line (44) around It crosses third pulley (43) to fix on solderless wrapped connection and the second handwheel (46) afterwards, is additionally provided with lower draw-bar (422) on the second pulley (42).
3. a kind of simple pole type transformer lifting device as described in claim 1, which is characterized in that the first support bar It (1) is 45 degree with horizontal angle.
4. a kind of simple pole type transformer lifting device as described in claim 1, which is characterized in that second anchor ear (21) On be fixed with the second connector (211), the second support bar (2) is articulated on the second connector (211).
CN201711236887.4A 2017-11-30 2017-11-30 A kind of simple pole type transformer lifting device Active CN108002269B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711236887.4A CN108002269B (en) 2017-11-30 2017-11-30 A kind of simple pole type transformer lifting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711236887.4A CN108002269B (en) 2017-11-30 2017-11-30 A kind of simple pole type transformer lifting device

Publications (2)

Publication Number Publication Date
CN108002269A CN108002269A (en) 2018-05-08
CN108002269B true CN108002269B (en) 2019-03-15

Family

ID=62055406

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711236887.4A Active CN108002269B (en) 2017-11-30 2017-11-30 A kind of simple pole type transformer lifting device

Country Status (1)

Country Link
CN (1) CN108002269B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109630844A (en) * 2018-12-24 2019-04-16 南京瑞能电力设计咨询有限公司 10KV overhead transmission line high-tension apparatus double rod support construction and its installation method
CN110697591A (en) * 2019-10-18 2020-01-17 国网四川省电力公司南充供电公司 Lifting device and lifting method for pole-mounted transformer
CN111614005A (en) * 2020-06-01 2020-09-01 国网浙江省电力有限公司湖州供电公司 Disassembling and assembling method for distribution transformer
CN112062021B (en) * 2020-09-11 2022-07-01 国网四川省电力公司自贡供电公司 Combined distribution transformer hoisting device
CN112768187A (en) * 2020-12-28 2021-05-07 广州兵吴网络科技有限公司 Transformer base

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202201618U (en) * 2011-08-23 2012-04-25 中国核工业第五建设有限公司 Multi-level hoisting beam hoisting tool
CN203229350U (en) * 2013-03-14 2013-10-09 国家电网公司 On-load voltage regulation change-over switch lifting device for transformer
CN204281022U (en) * 2014-10-28 2015-04-22 浙江吉利控股集团有限公司 Rear overhang beam suspender
CN204508671U (en) * 2015-04-14 2015-07-29 国家电网公司 Voltage transformer bont
CN205170254U (en) * 2015-12-10 2016-04-20 国网四川省电力公司眉山供电公司 Tripod hoisting accessory
CN205170243U (en) * 2015-12-11 2016-04-20 四川加力机电有限公司 Emergency rescue tripod
CN206288858U (en) * 2016-12-13 2017-06-30 国网北京市电力公司 Demarcation load switch conveyer

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202201618U (en) * 2011-08-23 2012-04-25 中国核工业第五建设有限公司 Multi-level hoisting beam hoisting tool
CN203229350U (en) * 2013-03-14 2013-10-09 国家电网公司 On-load voltage regulation change-over switch lifting device for transformer
CN204281022U (en) * 2014-10-28 2015-04-22 浙江吉利控股集团有限公司 Rear overhang beam suspender
CN204508671U (en) * 2015-04-14 2015-07-29 国家电网公司 Voltage transformer bont
CN205170254U (en) * 2015-12-10 2016-04-20 国网四川省电力公司眉山供电公司 Tripod hoisting accessory
CN205170243U (en) * 2015-12-11 2016-04-20 四川加力机电有限公司 Emergency rescue tripod
CN206288858U (en) * 2016-12-13 2017-06-30 国网北京市电力公司 Demarcation load switch conveyer

Also Published As

Publication number Publication date
CN108002269A (en) 2018-05-08

Similar Documents

Publication Publication Date Title
CN108002269B (en) A kind of simple pole type transformer lifting device
CN204096903U (en) A kind of change of current becomes winding hoisting structure
CN203760908U (en) Cement pole crossarm installation tool
CN203117230U (en) Telescopic overhead test wire connector
CN205159918U (en) Transmission line elevating gear
CN209626812U (en) A kind of ultra-high-tension power transmission line earthing clamp
CN105186358A (en) Wire crossing device for power stringing
CN106229889A (en) A kind of transmission line of electricity lifting device for aerial wires
CN207303796U (en) One kind is used for electric power apparatus examination Portable lifting device
CN203932819U (en) Electric stringing cross-line device
CN202217965U (en) Conductor wire location device
CN103401177B (en) A kind of stockbridge damper replacing options
CN209488055U (en) A kind of circuit corner bar actinobacillus device
CN203871501U (en) Horizontal-installation ground wire apparatus for power transmission line
CN201907924U (en) Spreading wing-type winding drum lifting device
CN106786138A (en) High-voltage power transmission tower overhead ground wire rotates arm elevator apparatus
CN201821045U (en) Double hook lifting insulating support rod
CN203895841U (en) Wire supporter
CN208614729U (en) A kind of fixed device of electric equipment maintenance of self illumination device
CN205846663U (en) A kind of height-adjustable overhead line structures
CN109494613A (en) Ground wire rope sag adjustment coaster
CN205173916U (en) Mounting structure of transformer substation monitoring camera convenient to overhaul
CN201946913U (en) Working tool for electrified replacement of T-shaped hanging point suspension insulator on 110 kV line steel tube rod
CN205114919U (en) Portable hoisting device is used to pump
CN204793841U (en) Light -duty leap support of circuit construction

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant