CN108033374B - Auxiliary device for hoisting transformer on rack - Google Patents
Auxiliary device for hoisting transformer on rack Download PDFInfo
- Publication number
- CN108033374B CN108033374B CN201711100108.8A CN201711100108A CN108033374B CN 108033374 B CN108033374 B CN 108033374B CN 201711100108 A CN201711100108 A CN 201711100108A CN 108033374 B CN108033374 B CN 108033374B
- Authority
- CN
- China
- Prior art keywords
- elbow
- hanging
- transformer
- arm
- reinforcement
- 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
Links
- 230000002787 reinforcement Effects 0.000 claims description 20
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 11
- 239000008397 galvanized steel Substances 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 3
- 210000005069 ears Anatomy 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/04—Pulley 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/02—Hoists or accessories for hoists
- B66D2700/026—Pulleys, sheaves, pulley blocks or their mounting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses an auxiliary device for hoisting a transformer on a rack, which comprises a connecting component, an elbow, an arm and a hanging part, wherein: the connecting assembly is used for connecting the electric pole close to the mutual inductor; one side of the elbow part is fixedly connected with the connecting component, one end of the elbow part is rotatably sleeved at the connecting end of the arm part, and the free end of the arm part extends out of a section of arc line to be fixedly connected with the lifting end of the hanging part; the hanger end of the hanging part is hung on a rack of the traction transformer. The invention can assist in hoisting operation under the condition that the line on the incoming line power supply side of the transformer is not powered off, ensures that operators and hoisting equipment are far away from live equipment, and effectively eliminates potential safety hazards.
Description
Technical Field
The invention relates to the field of power equipment, in particular to an auxiliary device for hoisting a transformer by a rack.
Background
In the process of carrying out the replacement and installation work of the combined transformer on the outdoor transformer, the problems of potential safety hazard, long power failure time, overhigh cost and the like of the traditional hoisting mode adopted at present are found.
Traditional chain block hoisting mode: compared with a crane hoisting mode, the economic cost is low, but as the hanging piece of the chain block is hung on the electric pole below the drop-out switch, the movable range of an operator is very close to the distance of 10kV electrified equipment in the process of hanging the hanging piece under the condition that a line is not powered off, and potential safety hazards exist; when in hoisting, the mutual inductor is required to be separated from the electric pole and the stand by a certain distance, so that collision and friction with the electric pole and the stand are avoided; the stay cord trend forms certain angle with the vertical direction when hoist and mount, and is laborious consuming time, and the operating personnel of being equipped is many, and work efficiency is low.
Traditional crane hoisting mode: the economic cost is big, and the operation scene need possess certain condition and just can implement, for example, must possess sufficient space around the combined transformer installation place on the rack, allow crane business turn over and lift by crane operation, under the circumstances that the circuit does not have a power failure, the davit operation process of crane and electrified equipment need have sufficient safe distance, otherwise, the circuit must have a power failure just can operate, the circuit power failure operation will influence the normal production of user around, life, if hoist and mount with the live working car, hoist and mount cost is too high.
Disclosure of Invention
The main purpose of the invention is to propose an auxiliary device for hoisting a transformer by a rack, which aims to overcome the problems.
In order to achieve the above object, the invention provides an auxiliary device for hoisting a transformer by a rack, comprising a connecting component, an elbow, an arm and a hanging part, wherein: the connecting assembly is used for connecting the electric pole close to the mutual inductor; one side of the elbow part is fixedly connected with the connecting component, one end of the elbow part is rotatably sleeved at the connecting end of the arm part, and the free end of the arm part extends out of a section of arc line to be fixedly connected with the lifting end of the hanging part; the hanger end of the hanging part is hung on a rack of the traction transformer.
Preferably, the hanging part adopts a hanging rope with the number of 4, a pulley type hanging piece or a chain block structure with two fixed pulleys at the lifting end and a movable pulley at the hanging end.
Preferably, the arm part and the front end part of the reinforcement are arranged side by side up and down and are fixedly connected.
Preferably, the bottom end portion of the reinforcement is disposed parallel to the elbow.
Preferably, the bottom end portion of the reinforcement is provided with cuffs for sleeving the elbow at positions corresponding to both ends of the elbow, respectively.
Preferably, a limiting part is arranged at the outer side of the connecting part of the elbow part, which is close to the connecting end of the arm part, and the limiting part limits the rotation of the arm part through limiting the rotation angle of the reinforcement.
Preferably, the limiting angle of the limiting part is 75 degrees.
Preferably, the connecting component is a hoop matched with the electric pole.
Preferably, the anchor ear is provided with a connecting lug for fastening and connecting the bolt and the nut.
Preferably, the number of the hoops is at least two.
In the present invention, the following components are used.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an auxiliary device for hoisting a transformer on a bench according to an embodiment of the invention;
the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
Referring to fig. 1, the auxiliary device for hoisting a transformer on a rack according to the present invention includes a connection assembly 1, an elbow 2, an arm 3 and a hanging portion 4, wherein: a connection assembly 1 for connecting an electric pole close to the transformer; one side of the elbow part 2 is fixedly connected with the connecting component 1, one end of the elbow part 2 is rotatably sleeved at the connecting end of the arm part 3, and the free end of the arm part 3 extends out of a section in an arc line to be fixedly connected with the lifting end of the hanging part 4; the hanger end of the hanging part 4 hangs a rack of the traction transformer.
Preferably, the hanging part 4 adopts a hanging rope with the number of 4 sections, a pulley type hanging piece or a chain block structure with two fixed pulleys at the lifting end and one movable pulley at the hanging end.
Preferably, the arm part 3 is fixedly connected with the front end part of the reinforcement 5 in an up-down arrangement.
Preferably, the inner and outer diameters of the reinforcement 5 are larger than the inner and outer diameters of the arm 3.
Preferably, the bottom end portion of the reinforcement 5 is disposed parallel to the elbow 2; the bottom end parts of the reinforcement members 5 are respectively provided with hoops sleeved on the elbow 2 at corresponding positions of the two ends of the elbow 2.
Preferably, a limiting part 21 is provided at one end of the elbow part 2, which is close to the outer side of the connection part of the connection end of the arm part 3, and the limiting part 21 controls the rotation angle of the arm part 3 by limiting the rotation angle of the reinforcement 5.
Preferably, the limiting angle of the limiting part 21 is 75 degrees.
Preferably, the connecting component 1 is a hoop matched with the electric pole.
Preferably, the anchor ear is provided with a connecting lug 11 for fastening connection of a bolt and a nut.
Preferably, the number of the hoops is at least two.
In the embodiment of the invention, the connecting component 1 adopts the fixed hoops which are matched with the universal electric pole, the height of each hoop is 60mm and the thickness of each hoop is 5mm, the hoops are provided with the connecting lugs for the fastening connection of the bolts and the nuts, and the hoops are fastened on the electric pole through the bolts and the nuts, so that the connection point of the traditional connecting component is changed to be limited to the position near the electrified part of the relatively firm electric pole, and the operation safety is improved. The number of the hoops is determined according to the weight of the transformer, and in this embodiment, the connection assembly 1 adopts two hoops, which are arranged up and down, and the interval is 195mm.
The elbow arm assembly with the arc-shaped structure is additionally arranged, so that an operator and an electric pole can be protected at a certain distance, a mutual inductor (the mutual inductor is powered off at a user load side in general and the power supply side of an incoming line is not powered off) can be conveniently lifted, the operator and an electrified part can be ensured to keep a certain safety distance, and the safety of field operation is greatly improved; the elbow arm assembly adopts galvanized steel pipe, including elbow 2 and arm 3, one side and the coupling assembling 1 fixed connection of elbow 2, the one end of elbow 2 rotatably cup joints in the link of arm 3, and the free end of arm 3 is the pitch arc and extends one section and hang the hoisting end fixed connection of portion 4.
The strengthening member 5 is made of a material with a certain strength so as to strengthen the traction stress of the arm part 3, in the embodiment, the strengthening member 5 is a galvanized steel pipe which is welded with the galvanized steel pipe of the arm part 3 in parallel, the two galvanized steel pipes are arranged up and down after being rolled into a proper radian, the galvanized steel pipe of the arm part 3 is arranged above, the galvanized steel pipe of the strengthening member 5 is arranged below, and the inner diameter and the outer diameter of the strengthening member 5 are both larger than the inner diameter and the outer diameter of the arm part 3 so as to strengthen the structure.
The bottom end part of the reinforcement 5 is arranged parallel to the elbow 2, and is sleeved with the elbow by cuffs corresponding to the two ends of the elbow 2. In this way it is ensured that the arm 3 can rotate with the stiffener 5 in relation to the elbow 2.
In consideration of controlling the rotation angle of the hoisting operation, a limiting part 21 is arranged at the outer side of the joint of the elbow part 2, which is close to the connecting end of the arm part 3, and the limiting part 21 controls the rotation angle of the arm part 3 by limiting the rotation angle of the reinforcement 5, preferably, the limiting angle is 75 degrees. In an embodiment, the limiting portion 21 is welded to two nuts at different positions on the outer circumferential surface of the elbow, the two nuts limit the rotation range of the reinforcement member within 75 degrees, and the specific positions of the two nuts are not limited.
The hanging part 4 of the invention has a structure which is not limited to adopting a chain block, and in the embodiment, the hanging part adopts a hanging rope with the number of 4 sections, and a pulley type hanging part matched with two fixed pulleys and one movable pulley is more labor-saving. It is contemplated that other pulley structures that can save effort may be used without exceeding the total weight.
The operation method of the auxiliary device for hoisting the transformer by the rack comprises the following steps:
the anchor ear is locked at the proper position of the electric pole, a worker on the bench hangs the pulley on the hook, the lower end of the hook is hung tightly with the combined type transformer lifting rope, the two workers pull the pull rope below to enable the transformer to vertically ascend and descend, after the transformer reaches a proper height, the worker on the bench adjusts the direction of the lifting device, the transformer reaches the upper side of the appointed position of the bench cross arm, the pull rope is loosened by the worker, the transformer falls to the appointed position, and the resultant force of the worker and the worker places the transformer on the proper position of the cross arm.
The device is applied, the purpose of hoisting the combined transformer in an optimal mode is achieved, and the safety level and the working efficiency are improved. The auxiliary device for hoisting the arc-shaped steel tube can ensure the personal safety by enabling the movable pulley to be spaced from the electric pole, and can meet the load bearing requirement of hoisting all the prior combined transformer equipment by adopting the parallel combined welding mode of two steel tubes. Compared with the traditional chain block mode, the combined transformer replacement (comprising the assembly and disassembly of the primary and secondary wiring of the transformer) can save labor and save completion time. The invention can assist hoisting operation under the condition that the line on the incoming line power supply side of the transformer is not powered off, ensures that operators and hoisting equipment are far away from live equipment, effectively eliminates potential safety hazards, reduces the time of line power failure due to insufficient safety distance, reduces the number of users when power is off, and ensures safe and reliable operation of a power grid.
The foregoing description of the preferred embodiments of the present invention should not be construed as limiting the scope of the invention, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).
Claims (4)
1. An auxiliary device for hoisting a transformer on a rack, which is characterized by comprising a connecting component, an elbow, an arm and a hanging part, wherein: the connecting assembly is used for connecting the electric pole close to the installation position of the transformer; one side of the elbow part is fixedly connected with the connecting component, one end of the elbow part is rotatably sleeved at the connecting end of the arm part, and the free end of the arm part extends out of a section of arc line to be fixedly connected with the lifting end of the hanging part; hanging the traction transformer at the hanging end of the hanging part;
the hanging part adopts a hanging rope with the number of 4, a pulley type hanging piece or a chain block structure, wherein two fixed pulleys are arranged at the lifting end of the hanging rope, and a movable pulley is arranged at the hanging piece end of the hanging piece;
the arm part is fixedly connected with the front end part of the reinforcement part in an up-down arrangement;
the reinforcement is made of galvanized steel pipes which are welded with the galvanized steel pipes of the arm parts in parallel, the two galvanized steel pipes are arranged up and down after being rolled into proper radians, the galvanized steel pipes of the arm parts are arranged above, the galvanized steel pipes of the reinforcement are arranged below, and the inner diameter and the outer diameter of the reinforcement are larger than the inner diameter and the outer diameter of the arm parts;
the bottom end part of the reinforcement piece is arranged in parallel with the elbow; the bottom end parts of the reinforcement parts are respectively provided with hoops sleeved on the elbow parts at the corresponding positions of the two ends of the elbow parts;
a limiting part is arranged at the outer side of the connecting part of the elbow part, which is close to the connecting end of the arm part, and the limiting part limits the rotation angle of the reinforcement part by 75 degrees;
the limiting part 21 is welded to two nuts at different positions on the outer circumferential surface of the elbow, and the two nuts limit the rotation range of the reinforcement member to be within 75 degrees.
2. An auxiliary device for hoisting a transformer on a stand according to claim 1, wherein the connecting assembly is a hoop adapted to an electric pole.
3. An auxiliary device for hoisting a transformer on a stand according to claim 2, wherein the anchor ear is provided with a connecting lug for fastening connection of a bolt and a nut.
4. An auxiliary device for lifting a transformer on a stand according to claim 2, wherein the number of anchor ears is at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711100108.8A CN108033374B (en) | 2017-11-09 | 2017-11-09 | Auxiliary device for hoisting transformer on rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711100108.8A CN108033374B (en) | 2017-11-09 | 2017-11-09 | Auxiliary device for hoisting transformer on rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108033374A CN108033374A (en) | 2018-05-15 |
| CN108033374B true CN108033374B (en) | 2024-04-12 |
Family
ID=62092547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711100108.8A Active CN108033374B (en) | 2017-11-09 | 2017-11-09 | Auxiliary device for hoisting transformer on rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108033374B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11286970A (en) * | 1998-04-02 | 1999-10-19 | Muroto Tekkosho:Kk | Power shovel capable of load lifting |
| CN101492143A (en) * | 2009-03-02 | 2009-07-29 | 姜长平 | Wind power generation structure system combined hanging method and rotary suspension arm mechanism |
| CN201330136Y (en) * | 2009-01-12 | 2009-10-21 | 陈炯 | Arc crane boom |
| CN201567178U (en) * | 2009-11-18 | 2010-09-01 | 陈卫 | Simple lifting frame |
| CN102570325A (en) * | 2012-01-31 | 2012-07-11 | 河南省电力公司南阳供电公司 | Light hoisting device for converting station |
| CN102756976A (en) * | 2012-07-23 | 2012-10-31 | 中联重科股份有限公司 | Equipment, system and method for bending deflection detection and safety control of suspension arm, and crane |
| CN202671059U (en) * | 2012-05-16 | 2013-01-16 | 太阳鸟游艇股份有限公司 | Omnidirectional rotary lifting device |
| CN203124506U (en) * | 2013-01-16 | 2013-08-14 | 浙江吉利汽车有限公司 | Bending device for lifting hanging hook |
| CN204324745U (en) * | 2014-11-06 | 2015-05-13 | 国家电网公司 | A kind of 35KV isolation switch hanging device |
| CN204897248U (en) * | 2015-08-18 | 2015-12-23 | 国网辽宁省电力有限公司丹东供电公司 | Cargo column switch lifts by crane support |
| CN205011326U (en) * | 2015-10-09 | 2016-02-03 | 台州市兴剑节能玻璃有限公司 | A davit for hoisting glass |
| CN105668426A (en) * | 2016-03-23 | 2016-06-15 | 贵州电网有限责任公司遵义供电局 | Novel hoisting device |
| CN105836594A (en) * | 2016-05-31 | 2016-08-10 | 中国矿业大学 | Self-climbing type general maintenance lifting device for large wind turbine and using method for self-climbing type general maintenance lifting device |
| CN207451496U (en) * | 2017-11-09 | 2018-06-05 | 广东电网有限责任公司汕头供电局 | For the auxiliary device of rack lifting mutual inductor |
-
2017
- 2017-11-09 CN CN201711100108.8A patent/CN108033374B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11286970A (en) * | 1998-04-02 | 1999-10-19 | Muroto Tekkosho:Kk | Power shovel capable of load lifting |
| CN201330136Y (en) * | 2009-01-12 | 2009-10-21 | 陈炯 | Arc crane boom |
| CN101492143A (en) * | 2009-03-02 | 2009-07-29 | 姜长平 | Wind power generation structure system combined hanging method and rotary suspension arm mechanism |
| CN201567178U (en) * | 2009-11-18 | 2010-09-01 | 陈卫 | Simple lifting frame |
| CN102570325A (en) * | 2012-01-31 | 2012-07-11 | 河南省电力公司南阳供电公司 | Light hoisting device for converting station |
| CN202671059U (en) * | 2012-05-16 | 2013-01-16 | 太阳鸟游艇股份有限公司 | Omnidirectional rotary lifting device |
| CN102756976A (en) * | 2012-07-23 | 2012-10-31 | 中联重科股份有限公司 | Equipment, system and method for bending deflection detection and safety control of suspension arm, and crane |
| CN203124506U (en) * | 2013-01-16 | 2013-08-14 | 浙江吉利汽车有限公司 | Bending device for lifting hanging hook |
| CN204324745U (en) * | 2014-11-06 | 2015-05-13 | 国家电网公司 | A kind of 35KV isolation switch hanging device |
| CN204897248U (en) * | 2015-08-18 | 2015-12-23 | 国网辽宁省电力有限公司丹东供电公司 | Cargo column switch lifts by crane support |
| CN205011326U (en) * | 2015-10-09 | 2016-02-03 | 台州市兴剑节能玻璃有限公司 | A davit for hoisting glass |
| CN105668426A (en) * | 2016-03-23 | 2016-06-15 | 贵州电网有限责任公司遵义供电局 | Novel hoisting device |
| CN105836594A (en) * | 2016-05-31 | 2016-08-10 | 中国矿业大学 | Self-climbing type general maintenance lifting device for large wind turbine and using method for self-climbing type general maintenance lifting device |
| CN207451496U (en) * | 2017-11-09 | 2018-06-05 | 广东电网有限责任公司汕头供电局 | For the auxiliary device of rack lifting mutual inductor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108033374A (en) | 2018-05-15 |
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