CN107902564B - Hoisting device for box-type substation - Google Patents
Hoisting device for box-type substation Download PDFInfo
- Publication number
- CN107902564B CN107902564B CN201711339115.3A CN201711339115A CN107902564B CN 107902564 B CN107902564 B CN 107902564B CN 201711339115 A CN201711339115 A CN 201711339115A CN 107902564 B CN107902564 B CN 107902564B
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- fixedly connected
- winding motor
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- block
- pulley
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- 238000004804 winding Methods 0.000 claims abstract description 64
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/06—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/16—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
- B66C23/821—Bracing equipment for booms
- B66C23/823—Bracing equipment acting in vertical direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a hoisting device for a box-type transformer substation, which can quickly hoist the transformer substation, is high in hoisting operation efficiency, convenient to move and convenient to use, can greatly reduce the labor intensity of workers and improve the working efficiency of work, is moved to a working area through an inner universal wheel, improves the stability by arranging an extension plate, is provided with a weighting block on a base, can avoid toppling when the whole device is hoisted, and enables a rotating shaft to rotate to realize 360-degree work, a first winding motor is used for adjusting the height of a hoisting block to realize the adjustment of the upper and lower heights of the device, a handle is used for pushing a pin shaft into a pin hole to wind a winding wire after the adjustment, so that the angle adjustment of a suspender is realized, and a third winding motor is used for hoisting after a hoisting clamp clamps the box-type transformer substation.
Description
Technical Field
The invention relates to the technical field of transformer substations, in particular to a hoisting device for a box-type transformer substation.
Background
With the rapid development of rural economy, the power load is continuously increased, and the densely distributed public transformation configuration requirement is of daily importance. The workload of transformer substation replacement and adjustment is increased year by year, and according to special geographic environments, or no power mechanical equipment is needed, or 10 kilovolt power failure is needed for power machines, or under the conditions of weak strength of constructors and the like, how to quickly realize the disassembly and hoisting work of the transformer substation, the transformer substation replacement and adjustment device has great significance in improving the working efficiency, promoting the increase of the benefit of companies and setting up good images of enterprises, and therefore, the transformer substation replacement and adjustment device needs to provide a new technical scheme for solving the technical problems.
Disclosure of Invention
The invention aims to solve the problems and provide a hoisting device for a box-type transformer substation, which solves the problems of how to quickly realize the disassembly and hoisting work of the box-type transformer substation and improve the working efficiency.
In order to solve the problems, the invention provides a technical scheme that: a hoisting device for a box-type transformer substation comprises a base, wherein a plurality of inner universal wheels are arranged on the lower surface of the base; the two side ends of the base are fixedly connected with an extension plate; the lower surfaces of the extension plates are respectively provided with an outer universal wheel; a sleeve is fixedly connected to the central position of the upper surface of the base; the outer surface of the sleeve is provided with a weighting block, and the weighting block is arranged on the base; a rotary table is fixedly connected in the cavity of the sleeve; the rotary table is fixedly connected with a rotary shaft, and a bearing is arranged between the rotary shaft and the sleeve; a T-shaped frame is fixedly connected to the top end of the rotating shaft; a fixing plate is fixedly connected to the T-shaped frame; two ends of the T-shaped frame and the fixing plate are respectively connected with a bolt in a penetrating way; two ends of the bolt are connected with a nut through threads; the center of the upper surface of the fixed plate is fixedly connected with a lifting cylinder; the upper surface of the lifting cylinder is fixedly connected with a first winding motor; two ends of the lifting cylinder are connected with a sliding block in a sliding manner; two ends of the sliding block are fixedly connected with a spring; and a cross beam is fixedly connected between the sliding blocks.
Preferably, the upper surface of the cross beam is fixedly connected with a hanging block; a lifting wire is fixedly connected between the hanging block and a winding shaft of the first winding motor; a boom is movably connected to the right side surface of the cross beam through a pin shaft; an upright post is fixedly connected to the upper surface of the right side of the cross beam; a third winding motor is fixedly connected to the lower surface of the right side of the cross beam; a third pulley is connected to the lower surface of the right side of the suspender; a hoisting clamp is arranged below the third pulley; a winding wire is arranged among the hoisting clamp, the third pulley and the winding shaft of the third winding motor; the upper surface of the right side of the suspender is connected with a first pulley; a platform is fixedly connected to the left side surface of the upright post; the platform is fixedly connected with a second winding motor; a second pulley is arranged at the top end of the upright post; a fastener is fixedly connected to the right side surface of the upright post; and a winding shaft of the fastener, the first pulley, the second pulley and the second winding motor is connected with a winding wire.
Preferably, the device also comprises a locking block, a pin hole, a shell, a pin shaft, a limiting block, a rebound spring and a handle; the locking block is fixedly connected to the left side surface of the lifting cylinder; the locking block is provided with a plurality of pin holes; the inner side wall of the sliding block is fixedly connected with a shell; a pin shaft is arranged in the shell; the left side of the pin shaft is arranged in the pin hole; a limiting block is fixedly connected to the middle end of the pin shaft; a handle is fixedly connected to the right side of the pin shaft; the outer surface of the pin shaft is coated with a rebound spring, and the rebound spring is positioned between the limiting block and the handle.
Preferably, the specific structure of the hoisting clamp is as follows: comprises a concave character frame, a screw rod, a rotary handle and a sucker; the two side surfaces of the lower end of the concave frame are connected with a lead screw through threads; a sucking disc is fixedly connected to the inner side end surface of the screw rod; and a rotary handle is fixedly connected to the outer side end surface of the screw rod.
Preferably, the inner universal wheel and the outer universal wheel are provided with anti-skid devices.
Preferably, the bearing is a ball bearing.
Preferably, the first winding motor, the second winding motor and the third winding motor are all variable-frequency winding motors.
Preferably, the spring is a belleville spring.
The invention has the beneficial effects that: the lifting device has the advantages that the lifting device is simple in structure and convenient to use, the transformer substation can be quickly lifted, the lifting operation efficiency is high, the lifting device is convenient to move, the use convenience is improved, the labor intensity of workers can be greatly reduced, the working efficiency of work is improved, the stability is improved by moving an extension plate to a working area through an inner universal wheel, a weighting block is arranged on a base, the whole device can be prevented from toppling when lifted, a rotating shaft is driven to rotate by a rotating disc, 360-degree work is realized, the height of a lifting block is adjusted by a first winding motor, the upper and lower heights of the device are adjusted, a handle pushes a pin shaft into a pin hole when locked after adjustment, the winding wire is wound by a second winding motor, so that the angle adjustment of a hanging rod is realized, and after the hanging clamp clamps the box-type transformer substation, the third winding motor works and is lifted.
Drawings
For ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the locking device of the present invention.
Fig. 3 is a schematic structural view of the lifting clamp of the present invention.
Fig. 4 is a schematic view of a part of the structure of the present invention.
1-a base; 2-inner universal wheels; 3-extension plates; 4-outer universal wheels; 5-sleeve; 6-weighting; 7-a turntable; 8-rotating shaft; 9-bearing; 10-T-shaped frame; 11-a fixing plate; 12-bolts; 13-a nut; 14-lifting cylinder; 15-a first winding motor; 16-a slider; 17-a cross beam; 18-hanging blocks; 19-lifting wires; 20-springs; 21-pin shafts; 22-a first pulley; 23-fasteners; 24-stand columns; 25-winding up the wire; 26-a second pulley; 27-a second winding motor; 28-platform; 29-a third winding motor; 30-a third pulley; 31-lifting a clamp; 311-a concave character frame; 312-screw rod; 313-rotating the handle; 314-sucking disc; 32-a boom; 33-locking blocks; 34-pin holes; 35-a housing; 36-pin shaft; 37-limiting blocks; 38-a rebound spring; 39-handle.
Detailed Description
As shown in fig. 1 and 4, the following technical solutions are adopted in this embodiment: a hoisting device for a box-type transformer substation comprises a base 1, an inner universal wheel 2, an extension plate 3, an outer universal wheel 4, a sleeve 5, a weighting block 6, a turntable 7, a rotating shaft 8, a bearing 9, a T-shaped frame 10, a fixing plate 11, a bolt 12, a nut 13, a lifting cylinder 14, a first winding motor 15, a sliding block 16, a cross beam 17, a hanging block 18, a lifting wire 19, a spring 20, a pin shaft 21, a first pulley 22, a fastening piece 23, a stand column 24, a winding wire 25, a second pulley 26, a second winding motor 27, a platform 28, a third winding motor 29, a third pulley 30, a hoisting clamp 31 and a hanging rod 32; a plurality of inner universal wheels 2 are arranged on the lower surface of the base 1; the two side ends of the base 1 are fixedly connected with an extension plate 3; the lower surface of the extension plate 3 is provided with an outer universal wheel 4; a sleeve 5 is fixedly connected to the central position of the upper surface of the base 1; the outer surface of the sleeve 5 is provided with a weighting block 6, and the weighting block 6 is arranged on the base 1; a rotary disc 7 is fixedly connected in the cavity of the sleeve 5; a rotating shaft 8 is fixedly connected to the rotating disc 7, and a bearing 9 is arranged between the rotating shaft 8 and the sleeve 5; a T-shaped frame 10 is fixedly connected to the top end of the rotating shaft 8; the T-shaped frame 10 is fixedly connected with a fixing plate 11; two ends of the T-shaped frame 10 and the fixed plate 11 are respectively connected with a bolt 12 in a penetrating way; two ends of the bolt 12 are connected with a nut 13 through threads; the center of the upper surface of the fixed plate 11 is fixedly connected with a lifting cylinder 14; the upper surface of the lifting cylinder 14 is fixedly connected with a first winding motor 15; two ends of the lifting cylinder 14 are connected with a sliding block 16 in a sliding way; a spring 20 is fixedly connected to both ends of the sliding block 16; a cross beam 17 is fixedly connected between the sliding blocks 16; a hanging block 18 is fixedly connected to the upper surface of the cross beam 17; a lifting wire 19 is fixedly connected between the hanging block 18 and the winding shaft of the first winding motor 15; a boom 32 is movably connected to the right side surface of the cross beam 17 through a pin shaft 21; a stand column 24 is fixedly connected to the upper surface of the right side of the cross beam 17; a third winding motor 29 is fixedly connected to the lower surface of the right side of the cross beam 17; a third pulley 30 is connected to the lower right surface of the boom 32; a hoisting clamp 31 is arranged below the third pulley 30; a winding wire 25 is arranged among the hoisting clamp 31, the third pulley 30 and the winding shaft of the third winding motor 29; a first pulley 22 is attached to the upper right surface of the boom 32; a platform 28 is fixedly connected to the left side surface of the upright post 24; a second winding motor 27 is fixedly connected to the platform 28; a second pulley 26 is arranged on the top end of the upright post 24; a fastener 23 is fixedly connected to the right side surface of the upright post 24; the winding shafts of the fastener 23, the first pulley 22, the second pulley 26 and the second winding motor 27 are connected with a winding wire 25.
As shown in fig. 2, the locking device further comprises a locking block 33, a pin hole 34, a shell 35, a pin shaft 36, a limiting block 37, a rebound spring 38 and a handle 39; the locking block 33 is fixedly connected to the left side surface of the lifting cylinder 14; the locking block 33 is provided with a plurality of pin holes 34; an outer shell 35 is fixedly connected to the inner side wall of the sliding block 16; a pin 36 is arranged in the shell 35; the left side of the pin 36 is arranged in the pin hole 34; a limiting block 37 is fixedly connected to the middle end of the pin shaft 36; a handle 39 is fixedly connected to the right side of the pin 36; the outer surface of the pin 36 is covered with a rebound spring 38, and the rebound spring 38 is located between the limiting block 37 and the handle 39.
As shown in fig. 3, the specific structure of the lifting fixture 31 is as follows: comprises a concave character frame 311, a lead screw 312, a rotary handle 313 and a sucker 314; the two side surfaces of the lower end of the concave frame 311 are connected with a lead screw 312 through threads; a sucker 314 is fixedly connected to the inner end surface of the screw rod 312; a rotary handle 313 is fixedly connected to the outer end face of the screw 312.
Wherein, the inner universal wheel 2 and the outer universal wheel 4 are provided with anti-skid devices; the bearing 9 is a ball bearing; the first winding motor 15, the second winding motor 27 and the third winding motor 29 are all variable-frequency winding motors; the spring 20 is a belleville spring.
The use state of the invention is as follows: the lifting device has the advantages that the lifting device is simple in structure and convenient to use, the transformer substation can be quickly lifted, the lifting operation efficiency is high, the lifting device is convenient to move, the use convenience is improved, the labor intensity of workers can be greatly reduced, the working efficiency of work is improved, the stability is improved by moving the inner universal wheel 2 to a working area, the extension plate 3 is arranged, the weighting block 6 is arranged on the base 1, the whole device can be prevented from toppling when lifted, the rotating shaft 8 is driven by the rotating disc 7 to rotate, 360-degree work is realized, the height of the lifting block 18 is regulated by the first winding motor 15, the upper and lower heights of the device are regulated, the pin shaft 36 is pushed into the pin hole 34 by the handle 39 when the lifting device is locked after regulation, the winding wire 25 is wound by the second winding motor 27, the angle regulation of the hanging rod 32 is realized, and the lifting clamp 31 clamps the box-type transformer substation, the third winding motor 29 is operated for lifting, and the 360-degree work, the height regulation and the angle regulation can be realized through the technology.
While the basic principles and main features of the present invention and advantages of the present invention have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described in the foregoing specification merely illustrate the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined in the appended claims and their equivalents.
Claims (6)
1. A hoist device for box-type substation, its characterized in that: the device comprises a base (1), wherein a plurality of inner universal wheels (2) are arranged on the lower surface of the base (1); the two side ends of the base (1) are fixedly connected with an extension plate (3); the lower surfaces of the extension plates (3) are respectively provided with an outer universal wheel (4); a sleeve (5) is fixedly connected to the central position of the upper surface of the base (1); the outer surface of the sleeve (5) is provided with a weighting block (6), and the weighting block (6) is arranged on the base (1); a rotary table (7) is fixedly connected in the cavity of the sleeve (5); a rotating shaft (8) is fixedly connected to the rotating disc (7), and a bearing (9) is arranged between the rotating shaft (8) and the sleeve (5); a T-shaped frame (10) is fixedly connected to the top end of the rotating shaft (8); a fixing plate (11) is fixedly connected to the T-shaped frame (10); two ends of the T-shaped frame (10) and the fixed plate (11) are respectively connected with a bolt (12) in a penetrating way; two ends of the bolt (12) are connected with a nut (13) through threads; the center of the upper surface of the fixed plate (11) is fixedly connected with a lifting cylinder (14); the upper surface of the lifting cylinder (14) is fixedly connected with a first winding motor (15); two ends of the lifting cylinder (14) are connected with a sliding block (16) in a sliding manner; two ends of the sliding block (16) are fixedly connected with a spring (20); a cross beam (17) is fixedly connected between the sliding blocks (16);
the upper surface of the cross beam (17) is fixedly connected with a hanging block (18); a lifting wire (19) is fixedly connected between the hanging block (18) and a winding shaft of the first winding motor (15); a boom (32) is movably connected to the right side surface of the cross beam (17) through a first pin shaft (21); an upright post (24) is fixedly connected to the upper surface of the right side of the cross beam (17); a third winding motor (29) is fixedly connected to the lower surface of the right side of the cross beam (17); a third pulley (30) is connected to the lower surface of the right side of the boom (32); a hoisting clamp (31) is arranged below the third pulley (30); a winding wire (25) is arranged among the hoisting clamp (31), the third pulley (30) and a winding shaft of the third winding motor (29); a first pulley (22) is connected to the upper right surface of the boom (32); a platform (28) is fixedly connected to the left side surface of the upright post (24); the platform (28) is fixedly connected with a second winding motor (27); a second pulley (26) is arranged at the top end of the upright post (24); a fastener (23) is fixedly connected to the right side surface of the upright post (24); the winding shafts of the fastening piece (23), the first pulley (22), the second pulley (26) and the second winding motor (27) are connected with a winding wire (25);
the device also comprises a locking block (33), a pin hole (34), a shell (35), a second pin shaft (36), a limiting block (37), a rebound spring (38) and a handle (39); the locking block (33) is fixedly connected to the left side surface of the lifting cylinder (14); the locking block (33) is provided with a plurality of pin holes (34); an outer shell (35) is fixedly connected to the inner side wall of the sliding block (16); a second pin shaft (36) is arranged in the shell (35); the left side of the second pin shaft (36) is arranged in the pin hole (34); a limiting block (37) is fixedly connected to the middle end position of the second pin shaft (36); a handle (39) is fixedly connected to the right side of the second pin shaft (36); the outer surface of the second pin shaft (36) is coated with a rebound spring (38), and the rebound spring (38) is positioned between the limiting block (37) and the handle (39).
2. A lifting device for a box-type substation according to claim 1, characterized in that: the concrete structure of the hoisting clamp (31) is as follows: comprises a concave character frame (311), a lead screw (312), a rotary handle (313) and a sucker (314); two side surfaces of the lower end of the concave frame (311) are connected with a screw rod (312) through threads; a sucker (314) is fixedly connected to the inner side end surface of the lead screw (312); a rotary handle (313) is fixedly connected to the outer end face of the screw rod (312).
3. A lifting device for a box-type substation according to claim 1, characterized in that: anti-skid devices are arranged on the inner universal wheel (2) and the outer universal wheel (4).
4. A lifting device for a box-type substation according to claim 1, characterized in that: the bearing (9) is a ball bearing.
5. A lifting device for a box-type substation according to claim 1, characterized in that: the first winding motor (15), the second winding motor (27) and the third winding motor (29) are all variable-frequency winding motors.
6. A lifting device for a box-type substation according to claim 1, characterized in that: the spring (20) is a belleville spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711339115.3A CN107902564B (en) | 2017-12-14 | 2017-12-14 | Hoisting device for box-type substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711339115.3A CN107902564B (en) | 2017-12-14 | 2017-12-14 | Hoisting device for box-type substation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107902564A CN107902564A (en) | 2018-04-13 |
| CN107902564B true CN107902564B (en) | 2024-01-12 |
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ID=61868912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711339115.3A Active CN107902564B (en) | 2017-12-14 | 2017-12-14 | Hoisting device for box-type substation |
Country Status (1)
| Country | Link |
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| CN (1) | CN107902564B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108792966A (en) * | 2018-05-30 | 2018-11-13 | 王永妍 | A kind of hanging apparatus for Architectural Equipment |
| CN109721000B (en) * | 2019-02-25 | 2024-04-12 | 兴鹿(海安)新材料有限公司 | Lifting equipment for gum dipping cord fabric convenient to operate |
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| US6425727B1 (en) * | 2001-04-09 | 2002-07-30 | Kyle Hood | Quick mount truck lift |
| DE202014000334U1 (en) * | 2014-01-17 | 2014-02-25 | Tecsis (Shenzhen) Sensors Co., Ltd. | Support force measuring device with induction coupling |
| CN103991827A (en) * | 2014-06-09 | 2014-08-20 | 黄文龙 | Elevator installation device |
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| CN207713298U (en) * | 2017-12-14 | 2018-08-10 | 国网山东省电力公司龙口市供电公司 | A kind of hanging apparatus for box-type substation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8863966B2 (en) * | 2011-03-21 | 2014-10-21 | Dynaking Crane, Llc | Kingpost crane apparatus and method |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6425727B1 (en) * | 2001-04-09 | 2002-07-30 | Kyle Hood | Quick mount truck lift |
| CN104418257A (en) * | 2013-08-23 | 2015-03-18 | 陈刚 | Multi-functional movable lifting machine |
| DE202014000334U1 (en) * | 2014-01-17 | 2014-02-25 | Tecsis (Shenzhen) Sensors Co., Ltd. | Support force measuring device with induction coupling |
| CN103991827A (en) * | 2014-06-09 | 2014-08-20 | 黄文龙 | Elevator installation device |
| CN106517002A (en) * | 2016-12-07 | 2017-03-22 | 国网山东省电力公司东明县供电公司 | Transformer station suspension bracket pedestal and spare transformer station suspension bracket |
| CN207713298U (en) * | 2017-12-14 | 2018-08-10 | 国网山东省电力公司龙口市供电公司 | A kind of hanging apparatus for box-type substation |
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| Publication number | Publication date |
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| CN107902564A (en) | 2018-04-13 |
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