CN111252685A - Hoisting device - Google Patents
Hoisting device Download PDFInfo
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- CN111252685A CN111252685A CN202010214125.XA CN202010214125A CN111252685A CN 111252685 A CN111252685 A CN 111252685A CN 202010214125 A CN202010214125 A CN 202010214125A CN 111252685 A CN111252685 A CN 111252685A
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- bearing
- hoisting device
- rod
- base
- bearing connecting
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- 239000000725 suspension Substances 0.000 claims abstract description 11
- 239000004568 cement Substances 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 27
- 230000008569 process Effects 0.000 abstract description 25
- 238000010276 construction Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C25/00—Cranes not provided for in groups B66C17/00 - B66C23/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a hoisting device, which comprises a bearing rod, wherein the bearing rod is formed by detachably coaxially connecting a plurality of bearing connecting rods in sequence end to end along the vertical direction, the axis of each bearing connecting rod extends along the vertical direction, the bottom of the bearing rod is detachably and coaxially provided with a base, and the outer wall of the base is provided with a bracket detachably connected with a field bearing piece; the top of the bearing rod is provided with a horizontal supporting rod extending along the horizontal direction, the outer end part of the horizontal supporting rod can be provided with a suspension arm detachably connected with a hoisting object in a lifting way along the vertical direction, and the hoisting device further comprises a driving device capable of driving the suspension arm to lift. The lifting device has the advantages of stable and reliable integral structure, safe and stable operation process, simple and easy operation of disassembly, assembly, storage and transportation operation process and higher operation efficiency.
Description
Technical Field
The invention relates to the field of hoisting equipment, in particular to a hoisting device.
Background
When the existing power transmission and transformation field operation or the field operation in other engineering fields is carried out, a hoisting device is usually used so as to hoist and mount parts which are difficult to carry by people, the assembling, storage and transportation operation processes of the corresponding parts are simplified, and the operation efficiency of the storage, transportation and assembly operation processes of the related heavy parts is improved.
The existing hoisting device is usually of a fixed structure, namely, the size of the basic structure of the existing hoisting device cannot be correspondingly adjusted according to the difference of actual working conditions, so that a plurality of restrictions and inconvenience are caused to the actual application operation process, and in the actual application, if the height of the basic structure of the hoisting device is too high, the gravity center is unstable due to too high equipment height, dangerous conditions such as equipment overturning or material falling are easy to happen, and potential safety hazards are caused to the related operation process.
On the other hand, the existing hoisting device is large in size and complex in structure, is not easy to carry and adjust in position, is higher in storage, transportation and dismounting operation difficulty under different working conditions in practical application, and is inconvenient in operation process.
Therefore, how to make the whole structure of the lifting device more stable and reliable, ensure the safety and stability of the operation process, and make the dismounting, the storage and the transportation of the lifting device more simple and easy is an important technical problem which needs to be solved by technical personnel in the field at present.
Disclosure of Invention
The invention aims to provide a lifting device which is stable and reliable in overall structure, safe and stable in operation process, simple and easy to operate in the processes of disassembly, assembly, storage and transportation, and high in operation efficiency.
In order to solve the technical problems, the invention provides a lifting device which comprises a bearing rod, wherein the bearing rod is formed by detachably and coaxially connecting a plurality of bearing connecting rods end to end in sequence along the vertical direction, the axis of each bearing connecting rod extends along the vertical direction, the bottom of the bearing rod is detachably and coaxially provided with a base, and the outer wall of the base is provided with a bracket detachably connected with a field bearing piece;
the top of the bearing rod is provided with a horizontal supporting rod extending along the horizontal direction, the outer end part of the horizontal supporting rod can be provided with a suspension arm detachably connected with a hoisting object in a lifting manner along the vertical direction, and the hoisting device further comprises a driving device capable of driving the suspension arm to lift.
Preferably, one end of the bearing connecting rod is provided with an external thread, the other end of the bearing connecting rod is provided with an internal thread matched with the external thread, the inner end part of the horizontal strut and the top of the base are both provided with an internal thread or an external thread matched with the corresponding end thread of the bearing connecting rod, and if the horizontal strut is an internal thread, the top of the base is an external thread; if the horizontal supporting rod is provided with an external thread, the top of the base is provided with an internal thread.
Preferably, the base has an internal cavity in the middle thereof for receiving each of the load bearing links.
Preferably, the field bearing piece is a cement column, and the outer end of the bracket is provided with a hoop which is detachably, coaxially, sleeved and adapted with the outer peripheral surface of the cement column.
Preferably, the hoop is detachably connected with the bracket through a bolt.
Preferably, the outer part of the joint of two adjacent bearing connecting rods is detachably and coaxially sleeved with a lantern ring, and the lantern ring is in interference fit with the bearing connecting rods.
Preferably, the collar is removably connected to the load bearing link by screws.
Preferably, the collar is made of iron or steel.
Compared with the background technology, in the operation and use process of the hoisting device provided by the invention, the required basic structure height of the hoisting device is determined according to the working condition requirements such as the actual hoisting height, then a plurality of bearing connecting rods are selected to be sequentially assembled until the integral size of the bearing rod formed by assembling the bearing connecting rods meets the working condition requirements, then the assembled bearing rod is reliably connected to the base, the base is reliably fixed on a field bearing piece at a construction position through a support, the connection strength among the assembled base, the support and the field bearing piece is subject to the reliable support of the self weight of the main components of the hoisting device such as the bearing rods and the internal stress of the device caused by the self weight of the hoisting object in the hoisting process, and after the assembly of all the components is finished, the hoisting operation of the corresponding hoisting object can be implemented; after the hoisting operation is finished, the operation can be reversed according to the assembly process, so that the base, the support and each bearing connecting rod forming the bearing rod are disassembled into independent structures again, all the parts are collected and arranged in a centralized manner and then integrally stored, or the parts are transported to the next construction position to be reassembled, and the bearing connecting rods are small in size and convenient to collect, arrange and carry, so that the whole structure of the hoisting device can be broken into parts, the storage and transportation efficiency of the hoisting device is greatly improved, the related operation difficulty is reduced, the working condition adaptability of the hoisting device is correspondingly improved, in addition, the field bearing piece at the actual construction operation position is used as the installation bearing foundation of the whole device, the application range and the use convenience of the hoisting device can be further improved, and the operation difficulty of the hoisting device is reduced.
In another preferred scheme of the invention, one end of the bearing connecting rod is provided with an external thread, the other end of the bearing connecting rod is provided with an internal thread matched with the external thread, the inner end part of the horizontal strut and the top of the base are both provided with an internal thread or an external thread matched with the corresponding end thread of the bearing connecting rod, and if the horizontal strut is an internal thread, the top of the base is an external thread; if the horizontal supporting rod is provided with an external thread, the top of the base is provided with an internal thread. The assembly and disassembly efficiency of all the components is high by adopting threaded connection, the assembly structure is simple and reliable, and the assembly and disassembly efficiency of the related components and the reliability of the overall structure of the lifting device can be further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a hoisting apparatus according to an embodiment of the present invention.
The device comprises a bearing rod 11, a bearing connecting rod 111, a lantern ring 112, a base 12, a support 13, a hoop 131, a horizontal supporting rod 14, a suspension arm 141, a driving device 142, a lifting object 21 and a field bearing element 22.
Detailed Description
The core of the invention is to provide a hoisting device, which has stable and reliable integral structure, safe and stable operation process, simple and easy disassembly, assembly, storage and transportation operation process and higher operation efficiency.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a hoisting device according to an embodiment of the present invention.
In a specific embodiment, the hoisting device provided by the invention comprises a bearing rod 11, wherein the bearing rod 11 is formed by detachably coaxially connecting a plurality of bearing connecting rods 111 end to end in sequence along a vertical direction, the axis of each bearing connecting rod 111 extends along the vertical direction, a base 12 is detachably and coaxially arranged at the bottom of the bearing rod 11, and a bracket 13 detachably connected with a field bearing piece 22 is arranged on the outer wall of the base 12; the top of the bearing bar 11 is provided with a horizontal supporting bar 14 extending along the horizontal direction, the outer end of the horizontal supporting bar 14 is provided with a suspension arm 141 detachably connected with the lifting object 21 in a manner of lifting along the vertical direction, and the lifting device further comprises a driving device 142 capable of driving the suspension arm 141 to lift.
In the operation and use process, the required basic structure height of the hoisting device is determined according to the working condition requirements such as the actual hoisting height, then a plurality of bearing connecting rods 111 are selected for sequential assembly until the overall size of the bearing rod 11 formed by assembling the bearing connecting rods 111 meets the working condition requirements, then the bearing rod 11 which is completely assembled is reliably connected to the base 12, the base 12 is reliably fixed on the on-site bearing piece 22 at the construction position through the bracket 13, the connection strength among the base 12, the bracket 13 and the on-site bearing piece 22 after the assembly is completed is based on the reliable support of the self weight of the hoisting device such as the bearing rod 11 and the like and the device internal stress caused by the self weight of the hoisted object 21 in the hoisting process, and after the assembly of all the components is completed, the hoisting operation of the corresponding hoisted object 21 can be implemented; after the hoisting operation is finished, the operation can be reversed according to the assembly process, so that the base 12, the bracket 13 and each bearing connecting rod 111 forming the bearing rod 11 are disassembled into independent structures again, all the parts are collected and arranged together and then are integrally stored, or the parts are transported to the next construction position to be reassembled, and the bearing connecting rods 111 are small in size and convenient to collect, arrange and carry, so that the integral structure of the hoisting device can be completely broken, the storage and transportation efficiency of the hoisting device is greatly improved, the related operation difficulty is reduced, the working condition adaptability of the hoisting device is correspondingly improved, in addition, the field bearing piece 22 at the actual construction operation position is used as the mounting bearing foundation of the whole hoisting device, the application range and the use convenience of the hoisting device can be further improved, and the operation difficulty of the hoisting device is reduced.
In the hoisting process, the driving device 142 can drive the boom 141 to ascend and descend to a proper position along the vertical direction, so as to be reliably connected with the hoisted object 21 and carry out corresponding hoisting operation. In particular, the boom 141 may be a rope, and correspondingly, the driving device 142 may be a winder adapted to the rope; the boom 141 can also be a telescopic rod, and correspondingly, the driving device 142 can be a cylinder or a motor adapted to the telescopic rod. In fact, the adapting structural form of the boom 141 and the driving device 142 is not limited thereto, and the worker can flexibly select different types of matching pieces with lifting capability according to the actual working condition requirements to assemble and adapt so as to realize the corresponding functions of the boom 141 and the driving device 142, and in principle, the adapting structural form can be any form as long as the adapting structural form can meet the actual use requirements of the lifting device.
It should be noted that the above-mentioned field carrying element 22 generally refers to a firm load-bearing structural member made of cement pouring or other building materials, such as an existing cement pier, a cement column or a cement platform of a power construction or other infrastructure construction site, and in principle, the field carrying element 22 for positioning the hoisting device should be selected to ensure stable and reliable positioning support and assembly of the hoisting device and to ensure sufficient cooperation with the corresponding operation surface of the hoisting object 21. The field carrier 22 mentioned in the rest of the description can be understood by referring to the description herein without specific reference, and the rest of the description is omitted.
In addition, in order to further ensure the structural performance of the assembly in practical applications, the material of the load-bearing connecting rod 111 may preferably be an iron member, a steel member, or another metal member with high structural strength, and in principle, the material may be any material that can meet the requirements of the practical assembly and operation performance of the lifting device.
Further, one end of the bearing connecting rod 111 has an external thread, the other end has an internal thread adapted to the external thread, the inner end of the horizontal strut 14 and the top of the base 12 are both provided with an internal thread or an external thread adapted to the corresponding end thread of the bearing connecting rod 111, and if the horizontal strut 14 is an internal thread, the top of the base 12 is an external thread; if the horizontal strut 14 is externally threaded, the top of the base 12 is internally threaded. The assembly and disassembly efficiency of all the parts through threaded connection is high, the assembly structure is simple and reliable, and the assembly and disassembly efficiency of the related parts and the reliability of the overall structure of the lifting device can be further improved.
It should be noted that the above-mentioned horizontal strut 14 is different from the top thread structure of the base 12, and is adapted to the assembled bearing bar 11, that is, if each bearing connecting rod 111 is a sequential assembly structure with a top end internal thread matching with a bottom end external thread, the horizontal strut 14 is an external thread adapted to the top end of the bearing connecting rod 111, and the top of the base 12 is an internal thread adapted to the bottom end of the bearing connecting rod 111; if each bearing connecting rod 111 is a structure assembled in order from a top end external thread to a bottom end internal thread, the horizontal strut 14 is an internal thread matched with the top end of the bearing connecting rod 111, and the top of the base 12 is an external thread matched with the bottom end of the bearing connecting rod 111.
In addition, the central portion of the base 12 has an interior cavity that receives each of the load bearing links 111. In actual operation, after each bearing connecting rod 111 is disassembled from an assembling working state into a plurality of independent components, each bearing connecting rod 111 can be collectively accommodated in the inner cavity of the base 12, so that storage and transportation and assembly operation in the subsequent use process can be conveniently implemented, and the convenience and the operation efficiency of the dismounting, storage and transportation operation of the lifting device are further improved.
It should be noted that while ensuring the centralized storage and storage capacity of the components in the inner cavity of the base 12, the basic structural strength of the base 12 should be ensured to meet the overall load-bearing capacity and workability of the lifting device.
Specifically, the field bearing member 22 is a concrete column, and the outer end of the bracket 13 is provided with a hoop 131 detachably, coaxially and fittingly sleeved with the outer peripheral surface of the concrete column. The cement column is a common bearing structural member on the site of electric power construction and other infrastructure projects, the cement column is used as the bearing structural foundation of the hoisting device, local materials can be used during the assembly of the hoisting device, the environmental adaptability and the application range of the hoisting device are further improved, and the hoop 131 can be tightly and reliably sleeved on the outer wall of the cement column, so that the structural adaptability and the assembly strength between the hoisting device and the cement column are further improved, and the stable and reliable operation of the hoisting device is ensured.
More specifically, the hoop 131 is detachably connected to the bracket 13 by bolts. The rapid disassembly and assembly between the hoop 131 and the bracket 13 can be realized through the threaded assembly structure of the bolt, and the overall disassembly and assembly operating efficiency of the lifting device is ensured.
On the other hand, the outer part of the joint of two adjacent bearing connecting rods 111 is detachably and coaxially sleeved with a sleeve ring 112, and the sleeve ring 112 and the bearing connecting rods 111 are in interference fit. The lantern ring 112 can further enhance the structural strength of the joint between two adjacent bearing connecting rods 111, and ensure the reliability and the bearing capacity of the whole structure of the bearing rod 11. In practical applications, the material of the collar 112 is preferably made of iron or steel, and other metal or non-metal material parts with higher structural strength can be selected according to actual working conditions, so that the worker can flexibly select the material according to specific requirements.
In addition, the collar 112 is detachably connected to the load link 111 by screws. The screw assembling structure is simple and reliable, the disassembling difficulty is low, the operating efficiency is high, the whole disassembling operation effect of the lifting device can be further optimized, the assembling structure is more stable and reliable, and the structural strength is higher.
In conclusion, the lifting device provided by the invention determines the required basic structure height of the lifting device according to the working condition requirements such as actual lifting height and the like in the operation and use process, then a plurality of bearing connecting rods are selected to be assembled in sequence until the whole size of the bearing rod formed by assembling the bearing connecting rods meets the requirement of the working condition, then correspondingly assembling a proper number of support rods into each support arm according to the method, and reliably connecting the assembled support arms to the base, wherein the size of each support arm after the assembly is based on the reliable support of the self weight of the main components of the hoisting device such as the bearing rod and the like and the internal stress of the device caused by the self weight of the hoisted object in the hoisting process, then the base, the bearing rod, the horizontal supporting rod, the suspension arm, the driving device of the suspension arm and the like can be assembled in an alignment way, and after the assembly of all the components is finished, the corresponding hoisting operation of the hoisted object can be implemented; after the hoisting operation is finished, the operation can be reversed according to the assembly process, so that each bearing connecting rod forming the bearing rod and each supporting rod forming the supporting arm are disassembled into independent structures again, the bearing connecting rods and the supporting rods and other parts of the hoisting device are collected and arranged together and then integrally stored, or are transported to the next construction place for reassembly, the bearing connecting rods and the supporting rods are small in size, so that the collection, arrangement and transportation are convenient, the integral structure of the hoisting device can be broken into parts, the storage and transportation efficiency of the hoisting device is greatly improved, the related operation difficulty is reduced, the working condition adaptability of the hoisting device is correspondingly improved, in addition, each assembled supporting arm forms a circumferential stable supporting structure, the stable support of the integral structure of the hoisting device and the stable support in the operation process can be effectively ensured, and the integral operation process of the hoisting device is more stable and reliable, the whole working safety of the equipment is correspondingly improved.
The hoisting device provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (8)
1. A hoisting device is characterized in that: the bearing rod is formed by detachably, coaxially and end-to-end connecting a plurality of bearing connecting rods in sequence along the vertical direction, the axis of each bearing connecting rod extends along the vertical direction, the bottom of the bearing rod is detachably and coaxially provided with a base, and the outer wall of the base is provided with a bracket which is detachably connected with a field bearing piece;
the top of the bearing rod is provided with a horizontal supporting rod extending along the horizontal direction, the outer end part of the horizontal supporting rod can be provided with a suspension arm detachably connected with a hoisting object in a lifting manner along the vertical direction, and the hoisting device further comprises a driving device capable of driving the suspension arm to lift.
2. The hoisting device of claim 1, wherein: one end of the bearing connecting rod is provided with an external thread, the other end of the bearing connecting rod is provided with an internal thread matched with the external thread, the internal end part of the horizontal supporting rod and the top of the base are both provided with an internal thread or an external thread matched with the corresponding end thread of the bearing connecting rod, and if the horizontal supporting rod is provided with the internal thread, the top of the base is provided with the external thread; if the horizontal supporting rod is provided with an external thread, the top of the base is provided with an internal thread.
3. The hoisting device of claim 1, wherein: the middle part of the base is provided with an inner cavity which can accommodate the bearing connecting rods.
4. The hoisting device of claim 1, wherein: the field bearing piece is a cement column, and the outer end part of the bracket is provided with a hoop which is detachably, coaxially, sleeved and matched with the outer peripheral surface of the cement column.
5. The hoisting device of claim 4, wherein: the hoop and the bracket are detachably connected through bolts.
6. The hoisting device of claim 1, wherein: the outer part of the joint of two adjacent bearing connecting rods is detachably and coaxially sleeved with a lantern ring, and the lantern ring is in interference fit with the bearing connecting rods.
7. The hoisting device of claim 6, wherein: the lantern ring is connected with the bearing connecting rod in a dismountable mode through screws.
8. The hoisting device of claim 6, wherein: the lantern ring is made of iron or steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010214125.XA CN111252685A (en) | 2020-03-24 | 2020-03-24 | Hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010214125.XA CN111252685A (en) | 2020-03-24 | 2020-03-24 | Hoisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111252685A true CN111252685A (en) | 2020-06-09 |
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ID=70949756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010214125.XA Pending CN111252685A (en) | 2020-03-24 | 2020-03-24 | Hoisting device |
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| CN (1) | CN111252685A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000128483A (en) * | 1998-10-23 | 2000-05-09 | Furukawa Co Ltd | Working bench of crane |
| CN101670988A (en) * | 2009-08-25 | 2010-03-17 | 山东迅实电气有限公司 | Hoisting tool for electric distribution network overhead wire |
| CN201798349U (en) * | 2010-07-21 | 2011-04-20 | 常国联 | Low cabinet orifice plate frame |
| CN102674174A (en) * | 2012-05-15 | 2012-09-19 | 江苏省电力公司海门市供电公司 | Hoisting frame of 110kV line lightning arrester |
| CN202880708U (en) * | 2012-11-01 | 2013-04-17 | 宁波电业局 | Hoisting device for on-load tap-changer of transformer |
| CN106115498A (en) * | 2016-08-08 | 2016-11-16 | 国家电网公司 | A kind of adhesion type pole |
| CN207293999U (en) * | 2017-10-19 | 2018-05-01 | 中国石油集团渤海钻探工程有限公司 | A kind of lift cantilever device for hoisting |
| CN211813148U (en) * | 2020-03-24 | 2020-10-30 | 国网冀北电力有限公司承德供电公司 | Hoisting device |
-
2020
- 2020-03-24 CN CN202010214125.XA patent/CN111252685A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000128483A (en) * | 1998-10-23 | 2000-05-09 | Furukawa Co Ltd | Working bench of crane |
| CN101670988A (en) * | 2009-08-25 | 2010-03-17 | 山东迅实电气有限公司 | Hoisting tool for electric distribution network overhead wire |
| CN201798349U (en) * | 2010-07-21 | 2011-04-20 | 常国联 | Low cabinet orifice plate frame |
| CN102674174A (en) * | 2012-05-15 | 2012-09-19 | 江苏省电力公司海门市供电公司 | Hoisting frame of 110kV line lightning arrester |
| CN202880708U (en) * | 2012-11-01 | 2013-04-17 | 宁波电业局 | Hoisting device for on-load tap-changer of transformer |
| CN106115498A (en) * | 2016-08-08 | 2016-11-16 | 国家电网公司 | A kind of adhesion type pole |
| CN207293999U (en) * | 2017-10-19 | 2018-05-01 | 中国石油集团渤海钻探工程有限公司 | A kind of lift cantilever device for hoisting |
| CN211813148U (en) * | 2020-03-24 | 2020-10-30 | 国网冀北电力有限公司承德供电公司 | Hoisting device |
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