CN112110347A - Hoisting device for operation site - Google Patents
Hoisting device for operation site Download PDFInfo
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- CN112110347A CN112110347A CN202011115173.XA CN202011115173A CN112110347A CN 112110347 A CN112110347 A CN 112110347A CN 202011115173 A CN202011115173 A CN 202011115173A CN 112110347 A CN112110347 A CN 112110347A
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- telescopic
- main arm
- fixed
- rotating
- hoisting
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- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
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- 238000012986 modification Methods 0.000 description 1
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Images
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
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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
- B66C23/16—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
- B66C23/163—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 where only part of the column rotates, i.e. at least the bottom part is fixed
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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
- B66C23/16—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
- B66C23/166—Simple cranes with jibs which may be fixed or can slew or luff
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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
- B66C23/62—Constructional features or details
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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
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
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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
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
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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
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
- B66C23/821—Bracing equipment for booms
- B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions
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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
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention provides a hoisting device for an operation site, which comprises a telescopic main arm, a telescopic suspension arm, a telescopic supporting device, an electric hoist and a fixing device, wherein one end of the telescopic main arm is fixed on the fixing device, the free end of the telescopic main arm is rotatably connected with a rotating disc, one end of the telescopic suspension arm is hinged with the rotating disc, the lower end of the telescopic main arm is connected with a rotating device, two ends of the telescopic supporting device are respectively hinged with the rotating device and the telescopic suspension arm, the rotating disc and the telescopic suspension arm are provided with a pulley block, the electric hoist is fixed on the telescopic main arm or the fixing device, and a lifting rope of the electric hoist bypasses the pulley block to be connected with a lifting hook. The hoisting device solves the hoisting problem that a crane cannot reach the overhauling and replacing of a breaker, a mutual inductor, a lightning arrester, an isolating switch and the like in an area, reduces the operation risk and labor intensity of manually hoisting a tripod, a propeller strut and a single rod by using a long steel pipe, and avoids the risk of equipment damage and human body electric shock.
Description
Technical Field
The invention relates to the technical field of hoisting equipment, in particular to a hoisting device for an operation site.
Background
The transformer substation mostly adopts an open type conventional wiring mode, equipment such as a circuit breaker, a mutual inductor, a lightning arrester and an isolating switch can be hoisted by a small crane near a road in the substation in the process of maintenance and replacement, most of the equipment cannot be hoisted in place due to narrow space, only manual erection of a tripod, a propeller strut or a single rod and the like formed by steel pipes, hemp ropes and chain blocks can be adopted for hoisting due to the fact that the equipment installation support is 2.5 meters, the steel pipes with the length of 6 meters or more are needed for hoisting, erection work can be completed due to the fact that the steel pipes are too long and heavy in the erection process, the steel pipes are difficult to carry and operate and 6-8 persons are needed for cooperation, time consumption and labor intensity are high, and personal injury and equipment damage accidents are easy to cause.
Disclosure of Invention
Therefore, the hoisting device for the operation site provided by the invention solves the hoisting problems of overhauling and replacing a circuit breaker, a mutual inductor, a lightning arrester, an isolating switch and the like in an area which can not be reached by a crane, reduces the operation risk and labor intensity of manually hoisting a tripod, a propeller strut and a single rod by using a long steel pipe, and avoids the risk of equipment damage and personal electric shock.
The technical scheme of the invention is realized as follows:
hoisting device of job site, including flexible main arm, flexible davit, flexible strutting arrangement, electric block and fixing device, the one end of flexible main arm is fixed in on the fixing device, the free end of flexible main arm is rotated and is connected with the rolling disc, the one end of flexible davit with the rolling disc is articulated, the lower extreme of flexible main arm is connected with rotary device, the both ends of flexible strutting arrangement respectively with rotary device with flexible davit is articulated, the rolling disc with be equipped with the assembly pulley on the flexible davit, electric block is fixed in flexible main arm or on the fixing device, electric block's lifting rope walks around the assembly pulley is connected with the lifting hook.
Preferentially, the rotating device comprises a fixed sleeve, a rotating toothed ring and a driving device, the rotating toothed ring is arranged on the outer side of the fixed sleeve, a plurality of first balls are arranged between the rotating toothed ring and the fixed sleeve, the upper end and the lower end of the fixed sleeve are respectively connected with a support ring, a plurality of rotating grooves are formed in the support ring close to one side of the rotating toothed ring, second balls are arranged in the rotating grooves, the fixed sleeve and the support ring are fixed at the lower end of the telescopic main arm, one end of the telescopic boom is hinged to the rotating toothed ring, and the driving device is used for driving the rotating gear to rotate.
Preferably, the driving device includes a motor and a motor mounting base, the motor mounting base is fixed to the lower end of the main telescopic arm, the motor is fixed to the motor mounting base, an output shaft of the motor is connected to a gear, and the gear is meshed with the rotating toothed ring.
Preferably, the telescopic main arm comprises a first main arm, a second main arm and a long pump jack, the first main arm is of a hollow structure, the long pump jack is fixed in the first main arm, one end of the second main arm is connected to the inside of the first main arm in a sliding mode, and the free end of the long pump jack is connected with the second main arm.
Preferably, the fixing device includes a base and a fixing plate, the base is fixed to the fixing plate by a plurality of bolts, and the main arm is fixed to the base.
Preferably, the main telescopic arm is further connected to the base by a plurality of pull ropes.
Preferably, the telescopic boom is provided with a plurality of guide hooks for limiting the lifting rope.
Preferably, the pulley block comprises a first pulley and a second pulley, the first pulley is fixed on the rotating disc, and the second pulley is fixed at the free end of the telescopic boom.
Preferentially, flexible davit is equipped with the fixed annular, fixed annular in-connection has the staple bolt, flexible strutting arrangement with the staple bolt is articulated.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a hoisting device for an operation site, which solves the hoisting problems of overhauling and replacing a circuit breaker, a mutual inductor, a lightning arrester, an isolating switch and the like in an area which can not be reached by a crane, adopts a portable electric hoist as power for hoisting, a telescopic main arm and a telescopic suspension arm are suitable for hoisting and unloading different devices and different heights, a rotary disk and a rotary device are matched with each other to enable the telescopic suspension arm to rotate for a certain operation angle, so that the isolating switch, the mutual inductor, the lightning arrester and the circuit breaker can be conveniently hoisted on site, the rotary device is fixed on the telescopic main arm, when the axial rotation angle of the telescopic suspension arm needs to be adjusted, the telescopic main arm does not need to be rotated, the consumption is reduced, meanwhile, the telescopic support device can not only adjust the radial rotation angle of the telescopic suspension arm, but also can realize the support of the telescopic, the hoisting device is used for hoisting the isolating switch, the mutual inductor, the lightning arrester and the breaker on site, reduces the operation risk, improves the working efficiency, avoids the risk of personal electric shock, and improves the safety of the operation of workers.
Drawings
FIG. 1 is a schematic front view of a hoisting device in an operation site according to the present invention;
FIG. 2 is an enlarged schematic view of a portion A of FIG. 1;
FIG. 3 is a schematic perspective view of a rotary device according to the present invention;
FIG. 4 is a schematic cross-sectional view of a rotary device according to the present invention;
FIG. 5 is a schematic cross-sectional view of a telescoping main arm of the present invention;
FIG. 6 is a schematic front view of the hoisting device of the operation site of the present invention;
FIG. 7 is an enlarged view of a portion B of FIG. 6;
in the figure, 1 telescopic main arm, 101 first main arm, 102 second main arm, 103 long pump jack, 2 telescopic boom, 3 telescopic supporting device, 4 electric hoist, 5 fixing device, 501 base, 502 fixing plate, 6 rotating device, 601 second ball, 602 fixing sleeve, 603 rotating toothed ring, 604 driving device, 6041 motor, 6042 motor mounting seat, 6043 gear, 605 first ball, 606 supporting ring, 607 rotating groove, 7 pulley block, 701 first pulley, 702 second pulley, 8 lifting rope, 9 lifting hook, 10 rotating disc, 11 pulling rope, 12 fixing annular groove, 13 hoop, 14 bearing seat, 15 fixing hoop, 16 convex seat, 17 guide hook and 18.
Detailed Description
In order to better understand the technical content of the invention, specific embodiments are provided below, and the invention is further described with reference to the accompanying drawings.
Example 1
Referring to fig. 1 to 5, the hoisting device for an operation site provided by the invention comprises a telescopic main arm 1, a telescopic boom 2, a telescopic support device 3, an electric hoist 4 and a fixing device 5, wherein one end of the telescopic main arm 1 is fixed on the fixing device 5, the free end of the telescopic main arm 1 is rotatably connected with a rotating disc 10, the rotating disc 10 is fixed on the free end of the telescopic main arm 1 through a bearing seat 14, one end of the telescopic boom 2 is hinged with the rotating disc 10 so as to adjust the radial rotation amplitude of the telescopic boom 2, the lower end of the telescopic main arm 1 is connected with a rotating device 6, two ends of the telescopic support device 3 are respectively hinged with the rotating device 6 and the telescopic boom 2, and the rotating device 6 can be matched with the rotating arrangement of the rotating disc 10 to enable the rotating device 6 to drive the telescopic support device 3 connected thereon to rotate, the telescopic supporting device 3 drives the telescopic suspension arm 2 to rotate, the axial rotation angle of the telescopic suspension arm 2 is adjusted, equipment such as a circuit breaker, a mutual inductor, a lightning arrester or an isolating switch and the like can be accurately hung to corresponding positions by adjusting the radial rotation angle and the axial rotation angle of the telescopic suspension arm 2 and the telescopic structures of the telescopic main arm 1 and the telescopic suspension arm 2, the operation is simple and convenient, the equipment such as the circuit breaker, the mutual inductor, the lightning arrester or the isolating switch and the like can be assembled and disassembled only by matching a few people, the rotating device 6 is fixed on the telescopic main arm 1, when the axial rotation angle of the telescopic suspension arm 2 needs to be adjusted, the telescopic main arm 1 does not need to be rotated, the consumption is reduced, and meanwhile, the radial rotation angle of the telescopic suspension arm 2 can be adjusted by the telescopic supporting device 3, wherein the telescopic supporting device 3 is a long pump jack 103, also can play the effect of firm telescopic boom 2, the rolling disc 10 with be equipped with assembly pulley 7 on the telescopic boom 2, electric block 4 is fixed in telescopic main arm 1 or on the fixing device 5, electric block 4's lifting rope 8 bypasses assembly pulley 7 is connected with lifting hook 9, and lifting hook 9 catches on the mount of equipment such as circuit breaker, mutual-inductor, arrester or isolator, hangs this equipment to relevant position.
The working principle is as follows: when equipment such as a circuit breaker, a mutual inductor, a lightning arrester, an isolating switch and the like needs to be overhauled or replaced and replaced in a region where a narrow crane cannot be in place, the invention is assembled on site, the invention is fixed on the beam of the installation support of the breaker, the mutual inductor, the arrester or the isolating switch and the like through the fixing device 5, when the breaker, the mutual inductor, the arrester and the isolating switch are hoisted, according to the field hoisting requirement, the height of the telescopic main arm 1, the length of the telescopic boom 2 and the radial rotation angle of the telescopic boom 2 are adjusted, the rotating device 6 rotates to drive the telescopic supporting device 3 to rotate, the telescopic supporting device 3 and the rotating disc 10 are matched to adjust the axial rotation angle of the telescopic boom 2, the electric hoist 4 is started to release the lifting rope 8, the lifting hook 9 hooks the fixing frames of equipment such as a circuit breaker, a mutual inductor, a lightning arrester and an isolating switch, and the equipment is lifted to the corresponding position.
Specifically, the rotating device 6 includes a fixed sleeve 602, a rotating toothed ring 603 and a driving device 604, the rotating toothed ring 603 is disposed on the outer side of the fixed sleeve 602, a plurality of first balls 605 are disposed between the rotating toothed ring 603 and the fixed sleeve 602, the upper and lower ends of the fixed sleeve 602 are respectively connected to a support ring 606, a plurality of rotating grooves 607 are disposed on the support ring 606 near one side of the rotating toothed ring 603, second balls 601 are disposed in the rotating grooves 607, the fixed sleeve 602 and the support ring 606 are fixed to the lower end of the main telescopic arm 2, one end of the telescopic boom 2 is hinged to the rotating toothed ring 603, and the driving device 604 is configured to drive the rotating gear 603 to rotate. When the axial rotation angle of the telescopic boom 2 needs to be adjusted, the driving device 604 is started, the driving device 604 drives the rotating toothed ring 603 to rotate in the annular groove 605, the rotating toothed ring 603 is matched with the rotating arrangement of the rotating disc 10, the rotating toothed ring 603 drives the telescopic supporting device 3 to rotate along the axial direction of the telescopic boom 1, the axial rotation angle of the telescopic boom 2 is adjusted, the supporting ring 606 plays a role in supporting the rotating gear 603, the rotating gear 603 is prevented from being separated from the fixed sleeve 602, the friction force between the rotating gear 603 and the supporting ring 606 can be reduced by the plurality of second balls 601, the radial rotation angle of the telescopic boom 2 is convenient to adjust, and one side of the rotating toothed ring 603, which is only close to the gear 6043, is.
Specifically, the driving device 604 includes a motor 6041 and a motor mounting seat 6042, the motor mounting seat 6042 is fixed to the lower end of the main telescopic arm 1, the motor 6041 is fixed to the motor mounting seat 6042, an output shaft of the motor 6041 is connected with a gear 6043, and the gear 6043 is engaged with the rotating toothed ring 603. The motor 6041 drives the gear 6043 to rotate, so that the rotating toothed ring 603 meshed with the gear 6043 rotates, wherein a fixed hoop 15 is arranged on one side of the motor mounting seat 6042, and the motor mounting seat 6042 can be fixed below the telescopic main arm 1 through the fixed hoop 15.
Specifically, the telescopic main arm 1 comprises a first main arm 101, a second main arm 102 and a long pump jack 103, the first main arm 101 is of a hollow structure, the long pump jack 103 is fixed in the first main arm 101, one end of the second main arm 102 is connected to the inside of the first main arm 101 in a sliding mode, and the free end of the long pump jack 103 is connected with the second main arm 102. The height of the long pump jack 103 is adjusted, the second main arm 102 is driven by the long pump jack 103 to slide in the first main arm 101, and the height of the telescopic main arm 1 is adjusted.
Example 2
Referring to fig. 1, the present embodiment is different from embodiment 1 in that the fixing device 5 includes a base 501 and a fixing plate 502, the base 501 is fixed to the fixing plate 502 by a plurality of bolts, and the telescopic main arm 1 is fixed to the base 501. When the invention is installed on the beam of the installation support such as a circuit breaker, a mutual inductor, a lightning arrester or an isolating switch, the fixing plate 502 is arranged below the beam, the bottom plate is arranged above the beam, the fixing plate 502 and the bottom plate are connected through a plurality of bolts, and the fixing device 5 is fixed on the beam.
Specifically, the telescopic main arm 1 is further connected to the base 501 through a plurality of pull ropes 11. The telescopic main arm 1 is reinforced from multiple directions through the pull ropes 11, so that the telescopic main arm 1 is stable on the bottom plate, and the telescopic main arm 1 is prevented from falling.
In particular, the telescopic boom 2 is provided with a number of guide hooks 17 for defining the lifting rope 8. The function of guiding the lifting rope 8 is achieved.
Specifically, the pulley block 7 includes a first pulley 701 and a second pulley 702, the first pulley 701 is fixed on the rotating disc 10, and the second pulley 702 is fixed at the free end of the telescopic boom 2. Is beneficial to the operation of the lifting rope 8.
Example 3
Referring to fig. 6 to 7, the present embodiment is different from embodiment 1 in that the telescopic boom 2 is provided with a fixing ring groove 12, an anchor ear 13 is connected in the fixing ring groove 12, and the telescopic support device 3 is hinged with the anchor ear 13. When the telescopic boom is not used, one end of the telescopic supporting device 3 is detached from the telescopic boom 2 through the hoop 13, the telescopic supporting device 3 and the telescopic boom 2 are rotated, the telescopic supporting device 3 and the telescopic boom 2 are parallel to the telescopic boom 1, the occupied space is reduced, and the transportation and the storage of the telescopic boom are convenient, wherein the convex seat 16 is arranged on one side of the rotating disc 10, which is positioned on the telescopic boom 2, the telescopic boom 2 is hinged with the convex seat 16, the position of the hoop 13 can be limited by the fixed annular groove 12, the telescopic boom 2 is prevented from being displaced due to unstable fixation of the hoop 13 during working, and when the telescopic boom is folded, the convex seat 16 is convenient for the telescopic supporting device 3 to be arranged between the telescopic boom 1 and the telescopic boom 2.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. Hoisting device of job site, its characterized in that: the telescopic main arm is fixed at one end on the fixing device, the free end of the telescopic main arm is rotatably connected with a rotating disc, one end of the telescopic boom is hinged to the rotating disc, the lower end of the telescopic main arm is connected with a rotating device, two ends of the telescopic supporting device are respectively hinged to the rotating device and the telescopic boom, the rotating disc is provided with a pulley block on the telescopic boom, the electric block is fixed on the telescopic main arm or the fixing device, and a lifting rope of the electric block is wound around the pulley block to be connected with a lifting hook.
2. Hoisting device for a work site according to claim 1, characterized in that: the rotating device comprises a fixed sleeve, a rotating toothed ring and a driving device, the rotating toothed ring is arranged on the outer side of the fixed sleeve, a plurality of first balls are arranged between the rotating toothed ring and the fixed sleeve, the upper end and the lower end of the fixed sleeve are respectively connected with a support ring, a plurality of rotating grooves are formed in the support ring close to one side of the rotating toothed ring, second balls are arranged in the rotating grooves, the fixed sleeve and the support ring are fixed at the lower end of the telescopic main arm, one end of the telescopic boom is hinged to the rotating toothed ring, and the driving device is used for driving the rotating gear to rotate.
3. Hoisting device for a work site according to claim 2, characterized in that: the driving device comprises a motor and a motor mounting seat, the motor mounting seat is fixed at the lower end of the telescopic main arm, the motor is fixed on the motor mounting seat, an output shaft of the motor is connected with a gear, and the gear is meshed with the rotating gear ring.
4. Hoisting device for a work site according to claim 1, characterized in that: the telescopic main arm comprises a first main arm, a second main arm and a long pump jack, the first main arm is of a hollow structure, the long pump jack is fixed in the first main arm, one end of the second main arm is connected to the inside of the first main arm in a sliding mode, and the free end of the long pump jack is connected with the second main arm.
5. Hoisting device for a work site according to claim 1, characterized in that: the fixing device comprises a base and a fixing plate, the base is fixed on the fixing plate through a plurality of bolts, and the telescopic main arm is fixed on the base.
6. Hoisting device for a work site according to claim 5, characterized in that: the telescopic main arm is further connected with the base through a plurality of pull ropes.
7. Hoisting device for a work site according to claim 1, characterized in that: the telescopic boom is provided with a plurality of guide hooks for limiting the lifting rope.
8. Hoisting device for a work site according to claim 1, characterized in that: the pulley block comprises a first pulley and a second pulley, the first pulley is fixed on the rotating disc, and the second pulley is fixed at the free end of the telescopic boom.
9. Hoisting device for a work site according to claim 1, characterized in that: the telescopic boom is provided with a fixed ring groove, a hoop is connected in the fixed ring groove, and the telescopic supporting device is hinged to the hoop.
Priority Applications (1)
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CN202011115173.XA CN112110347A (en) | 2020-10-19 | 2020-10-19 | Hoisting device for operation site |
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CN202011115173.XA CN112110347A (en) | 2020-10-19 | 2020-10-19 | Hoisting device for operation site |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113148860A (en) * | 2021-03-04 | 2021-07-23 | 贵州电网有限责任公司 | Multifunctional pole hoisting device |
CN114014180A (en) * | 2021-12-09 | 2022-02-08 | 西北工业大学青岛研究院 | Multi-node fixed type ocean winch support frame and method thereof |
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JP2005187193A (en) * | 2003-12-26 | 2005-07-14 | Kito Corp | Jib crane |
CN202346640U (en) * | 2011-11-18 | 2012-07-25 | 武汉船用机械有限责任公司 | Ocean platform crane |
CN207002061U (en) * | 2017-07-28 | 2018-02-13 | 赵洁 | A kind of movable suspending arm for indoor use is hung |
CN207129868U (en) * | 2017-09-01 | 2018-03-23 | 深圳龙海特机器人科技有限公司 | Carry column and cantilever arrangement |
CN207511716U (en) * | 2017-10-19 | 2018-06-19 | 南通德众科技发展有限公司 | A kind of multi-faceted folding crane arm support |
CN108341352A (en) * | 2018-02-06 | 2018-07-31 | 安徽理工大学 | A kind of multi-functional small-sized lifting machine |
CN208279226U (en) * | 2018-05-30 | 2018-12-25 | 浙江中建路桥设备有限公司 | A kind of cantilever crane |
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CN113148860A (en) * | 2021-03-04 | 2021-07-23 | 贵州电网有限责任公司 | Multifunctional pole hoisting device |
CN113148860B (en) * | 2021-03-04 | 2022-06-28 | 贵州电网有限责任公司 | Multifunctional pole hoisting device |
CN114014180A (en) * | 2021-12-09 | 2022-02-08 | 西北工业大学青岛研究院 | Multi-node fixed type ocean winch support frame and method thereof |
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