CN112374407A - Auxiliary hoisting tool for electric power construction - Google Patents
Auxiliary hoisting tool for electric power construction Download PDFInfo
- Publication number
- CN112374407A CN112374407A CN202011257933.0A CN202011257933A CN112374407A CN 112374407 A CN112374407 A CN 112374407A CN 202011257933 A CN202011257933 A CN 202011257933A CN 112374407 A CN112374407 A CN 112374407A
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- CN
- China
- Prior art keywords
- pulley
- groove
- electric power
- power construction
- pulley seat
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
- B66D3/06—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage with more than one pulley
- B66D3/08—Arrangements of sheaves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/14—Slings with hooks
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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
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
- B66C1/36—Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
- B66D3/06—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage with more than one pulley
- B66D3/10—Applications of braking or detent devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/02—Hoists or accessories for hoists
- B66D2700/026—Pulleys, sheaves, pulley blocks or their mounting
- B66D2700/028—Pulley blocks with multiple sheaves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses an auxiliary hoisting tool for electric power construction, which comprises: the outer wall of the hoop is provided with a hanging ring; the top of the first pulley seat is provided with a first hanging piece, and the first hanging piece is connected with the hanging ring; the first pulley is rotatably arranged on the first pulley seat and provided with a first outer peripheral surface, and a first rail and a groove are arranged on the first outer peripheral surface; the second pulley seat is arranged below the first pulley seat; the second pulley is rotatably arranged on the second pulley seat; the fixed end of the pull rope is connected with the bottom of the first pulley seat, and at least one part of the pull rope is arranged in the first rail; the braking piece is hinged to the first pulley seat, a clamping block is arranged on the braking piece, and the clamping block is inserted into the groove to enable the pull rope to be pressed between the first rail and the clamping block. The auxiliary hoisting tool for electric power construction enables constructors to finish the lifting operation of objects independently, and improves the working efficiency. The invention can be applied in portable or mobile lifting or towing devices.
Description
Technical Field
The invention relates to the field of portable or movable lifting or traction devices, in particular to an auxiliary hoisting tool for electric power construction.
Background
When the power line is constructed and maintained, constructors need to climb to the telegraph pole, and various tools or parts need to be carried in the construction process. After a general constructor climbs a telegraph pole, tools or parts needing to be used are lifted to corresponding heights by using the pull rope, however, the lifting operation is difficult to be completed by a single person, and the working efficiency is low.
Disclosure of Invention
The invention aims to provide an auxiliary hoisting tool for electric power construction, which aims to solve one or more technical problems in the prior art and at least provides a beneficial choice or creation condition.
The technical scheme adopted for solving the technical problems is as follows:
an electric power construction auxiliary lifting tool, comprising:
the outer wall of the hoop is provided with a hanging ring;
the top of the first pulley seat is provided with a first hanging piece, and the first hanging piece is connected with the hanging ring;
the first pulley is rotatably arranged on the first pulley seat, the rotating axial direction of the first pulley is in a horizontal direction, the first pulley is provided with a first outer peripheral surface, a first rail is arranged on the first outer peripheral surface, the middle part of the first outer peripheral surface is sunken towards the inside of the first pulley to form the first rail, the first rail surrounds a circle along the first outer peripheral surface, a groove is further arranged on the first outer peripheral surface, and the groove penetrates through the first pulley along the axial direction of the first pulley;
the second pulley seat is arranged below the first pulley seat, and a second hanging piece is arranged at the bottom of the second pulley seat;
the second pulley is rotatably arranged on the second pulley seat, and the rotating axial direction of the second pulley is in the horizontal direction;
the pull rope is provided with a fixed end and a movable end, the fixed end is connected with the bottom of the first pulley seat, the movable end sequentially rounds the second pulley and the first pulley and then extends outwards, at least one part of the pull rope is arranged in the first rail, and the diameter of the pull rope is larger than the distance from the groove bottom of the groove to the bottom surface of the first rail;
the braking piece is hinged to the first pulley seat, a clamping block is arranged on the braking piece, the clamping block protrudes towards the outside of the braking piece, the size of the clamping block is matched with that of the groove, the clamping block is linked with the braking piece, the rotating track of the clamping block is intersected with that of the groove, and the clamping block is inserted into the groove to enable the pull rope to be abutted between the first track and the clamping block.
The invention has the beneficial effects that: the anchor ear is arranged on the telegraph pole, the article needing to be lifted to the telegraph pole is hung on a second hanging piece on a second pulley seat, the constructor climbs the telegraph pole, the second pulley seat is still positioned at the bottom of the telegraph pole, the constructor pulls the movable end on the telegraph pole to enable the second pulley seat to be lifted upwards and pull the article, when the article is lifted to the corresponding height, the braking piece on the first pulley seat is rotated to insert the clamping block into the groove of the first pulley, the diameter of the pull rope is larger than the distance between the groove bottom of the groove and the bottom surface of the first rail, the pull rope is pressed between the first rail of the first pulley and the clamping block of the braking piece, larger friction force is formed between the first rail, the braking piece and the pull rope, the pull rope is fixed, the article is suspended on the telegraph pole, the constructor does not need to maintain the action of pulling the pull rope, and then the constructor, the constructor can complete the lifting operation of the object independently, and the working efficiency is improved.
As a further improvement of the technical scheme, the first hanging piece is a hook, and the first hanging piece is detachably connected with the hanging ring.
The first hanging piece is a hook, and the first pulley seat is connected with the hanging ring of the hoop through the first hanging piece, so that the first pulley seat and the hoop can be conveniently detached and installed.
As a further improvement of the above technical solution, a safety catch is provided on the first hanging member, one end of the safety catch is hinged to the hook body of the first hanging member, and the other end of the safety catch abuts against the hook tip of the first hanging member.
The safety buckle is arranged on the first hanging piece, so that the first hanging piece is prevented from falling off from the hanging ring, and the safety performance is improved.
As a further improvement of the above technical solution, there are a plurality of the grooves, and all the grooves are sequentially distributed at intervals in the circumferential direction of the first outer circumferential surface.
A plurality of recesses are along the circumference of first outer peripheral face interval distribution in proper order, and the fixture block of arresting member can cooperate and then fix the stay cord with a plurality of recesses, first pulley pivoted distance when reducing the braking to make constructor's operation more convenient.
As a further improvement of the technical scheme, the width of the groove is gradually reduced from the notch to the groove bottom, and the shape of the fixture block is matched with that of the groove.
When the fixture block is inserted into the groove, the width of the groove is gradually reduced from the groove opening to the groove bottom, the shape of the fixture block is matched with that of the groove, so that the contact area of the fixture block and the pull rope is small, the fixture block is easily pressed into the pull rope, and the pull rope is more tightly attached to the first rail.
As a further improvement of the above technical solution, a hook is disposed at the bottom of the first pulley seat, and the fixed end is wound on the hook.
The fixed end of the pull rope is wound on the hook, the structure is simple, and the installation and the disassembly are easy.
As a further improvement of the above technical solution, the second pulley has a second outer circumferential surface, a second rail is provided on the second outer circumferential surface, a middle portion of the second outer circumferential surface is recessed toward an inside of the second pulley to form the second rail, the second rail is wound around a circle along the second outer circumferential surface, and at least a portion of the pull rope is disposed in the second rail.
The second outer circumferential surface of the second pulley is provided with a second rail, at least one part of the pull rope is arranged in the second rail, and the pull rope is limited in the second rail to prevent the pull rope from being separated from the second pulley.
As a further improvement of the above technical solution, a rotation track of the latch intersects with an upper portion of the first pulley.
When hanging when having article on the second pendant of second pulley holder, article pulling stay cord is downward for the stay cord offsets with the upper portion of first pulley, and the stay cord is closely laminated with the upper portion of first pulley this moment, and the rotation orbit of fixture block is crossing with the upper portion of first pulley, and the fixture block inserts in the recess on first pulley upper portion, and during the stay cord was impressed to the fixture block changeing this moment, helped improving the fixture block and to the effect that compresses tightly of stay cord.
As a further improvement of the technical scheme, the second hanging piece is a hook.
The second pendant is a hook, so that articles can be hung conveniently through a rope.
Drawings
The invention is further described with reference to the accompanying drawings and examples;
fig. 1 is an axial view of an embodiment of an auxiliary hoisting tool for electric power construction provided by the present invention;
fig. 2 is an axial view of another angle of an embodiment of the auxiliary hoisting tool for electric power construction provided by the invention.
100. Hoop, 110, link, 200, first pulley seat, 210, first pendant, 211, safety catch, 220, couple, 300, first pulley, 310, first outer peripheral face, 311, first track, 312, recess, 400, second pulley seat, 410, second pendant, 500, second pulley, 510, second outer peripheral face, 511, second track, 600, stay cord, 610, fixed end, 620, expansion end, 700, braking piece, 710, fixture block.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if words such as "a plurality" are described, the meaning is one or more, the meaning of a plurality is two or more, more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 2, the auxiliary hoisting tool for electric power construction of the present invention is made in the following embodiments:
the auxiliary hoisting tool for electric power construction comprises a hoop 100, a first pulley seat 200, a first pulley 300, a second pulley seat 400, a second pulley 500, a pull rope 600 and a braking piece 700, wherein the hoop 100 is formed by combining a left semicircular ring and a right semicircular ring, the left semicircular ring and the right semicircular ring are enclosed into a circle, the splicing positions of the left semicircular ring and the right semicircular ring are connected through screws and bolts, so that the hoop 100 can be sleeved on a telegraph pole, the hoop 100 is loosened or screwed through rotating the screws, a hanging ring 110 is fixedly arranged on the outer wall of the hoop 100, the hanging ring 110 protrudes outwards, and the hanging ring 110 is in a circular ring shape.
The top of the first pulley seat 200 is provided with a first hanging member 210, the first hanging member 210 is a hook, the first hanging member 210 is inserted into the hanging ring 110, the first hanging member 210 is provided with a safety catch 211, one end of the safety catch 211 is hinged to the hook body of the first hanging member 210, the other end of the safety catch 211 abuts against the hook tip of the first hanging member 210, so that the first hanging member 210 and the hanging ring 110 form a closed fastening form, the left end and the right end of the first pulley seat 200 are communicated, the first pulley seat 200 is internally provided with a rotating shaft, the axial direction of the rotating shaft is in the front-back direction, the bottom of the first pulley seat 200 is provided with a hook 220, the first pulley 300 is arranged on the first pulley seat 200, the first pulley 300 is provided with a shaft hole, the shaft hole of the first pulley 300 is matched with the rotating shaft of the first pulley seat 200, so that the first pulley 300 can rotate on the first pulley seat 200, the rotating axial direction of the first pulley 300 is in the front-back direction, the left end and right end of the first, the shape of the first pulley 300 is a cylinder, the outer side surface of the first pulley 300 is a first outer peripheral surface 310, the middle part of the first outer peripheral surface 310 is recessed inwards to form a first track 311, the first track 311 surrounds the first outer peripheral surface 310 in a circle along the circumferential direction, a plurality of grooves 312 are further arranged on the first outer peripheral surface 310, the grooves 312 penetrate through the first pulley 300 along the axial direction of the first pulley 300, the width of the grooves 312 is gradually reduced from the groove opening to the groove bottom, and all the grooves 312 are uniformly distributed along the circumferential direction of the first outer peripheral surface 310.
The second pulley seat 400 is disposed below the first pulley seat 200, the left and right ends of the second pulley seat 400 are through, a rotating shaft is disposed in the second pulley seat 400, the axial direction of the rotating shaft is in a front-back direction, the second pulley 500 is disposed on the second pulley seat 400, a shaft hole is disposed on the second pulley 500, the shaft hole of the second pulley 500 is matched with the rotating shaft of the second pulley seat 400, such that the second pulley 500 can rotate on the second pulley seat 400, the rotational axial direction of the second pulley 500 is in a front-back direction, the left and right ends of the second pulley 500 respectively extend out from the left and right ends of the second pulley seat 400, the second pulley 500 is cylindrical in shape, the outer side surface of the second pulley 500 is a second outer circumferential surface 510, the middle portion of the second outer circumferential surface 510 is recessed inward to form a second rail 511, the second rail 511 is wound around a circle along the circumferential direction of the second outer circumferential surface 510, a second hanger 410 is disposed at the bottom of the second pulley, the second hanger 410 is a hook.
The pull rope 600 has a fixed end 610 and a movable end 620, the fixed end 610 of the pull rope 600 is wound on the hook 220, the movable end 620 of the pull rope 600 sequentially winds the second pulley 500 and the first pulley 300 and then extends outwards, the pull rope 600 sequentially winds the second rail 511 and the first rail 311, at least one part of the pull rope 600 is arranged in the second rail 511, at least one part of the pull rope 600 is arranged in the first rail 311, and the movable end 620 of the pull rope 600 is pulled downwards, so that the pull rope 600 drives the second pulley seat 400 to ascend.
The braking member 700 is hinged to the first pulley seat 200, the rotation axis of the braking member 700 is perpendicular to the rotation axis of the first pulley 300, a fixture block 710 is arranged on the outer wall of the braking member 700, the fixture block 710 extends out of the braking member 700, the shape of the fixture block 710 is matched with that of the groove 312, the size of the fixture block 710 is matched with that of the groove 312, the braking member 700 drives the rotation track of the fixture block 710 to intersect with the upper portion of the first pulley 300, the rotation track of the fixture block 710 intersects with that of the groove 312, when the braking member 700 rotates upwards to enable the fixture block 710 to be inserted into the groove 312, as the diameter of the pull rope 600 is larger than the distance between the groove bottom of the groove 312 and the bottom surface of the first rail 311, the pull rope 600 is pressed between the fixture block 710 and the first rail 311.
When the auxiliary hoisting tool for electric power construction is used, a constructor firstly hangs objects required for construction on the second hanging piece 410 at the bottom of the second pulley seat 400, loosens the movable end 620 of the pull rope 600, and reserves enough length between the first pulley seat 200 and the second pulley seat 400, carries the hoop 100 and the first pulley seat 200 to climb to the top of the telegraph pole, and sleeves the hoop 100 on the top of the telegraph pole, and then pulls the movable end 620 to lift the second pulley seat 400, when the second pulley seat 400 rises to a required height, the constructor upwards rotates the braking piece 700 to insert the fixture block 710 into the groove 312 of the first pulley 300, and presses the pull rope 600 between the fixture block 710 and the first rail 311, so that the second pulley seat 400 is fixed at the required height, and can take the objects hung on the second hanging piece 410 of the second pulley seat 400.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention as set forth in the claims appended hereto.
Claims (9)
1. The utility model provides an auxiliary hoisting tool of electric power construction which characterized in that: the method comprises the following steps:
the hoop (100) is provided with a hanging ring (110) on the outer wall;
the top of the first pulley seat (200) is provided with a first hanging piece (210), and the first hanging piece (210) is connected with the hanging ring (110);
the first pulley (300) is rotatably arranged on the first pulley seat (200), the rotating axial direction of the first pulley (300) is in a horizontal direction, the first pulley (300) is provided with a first outer peripheral surface (310), a first rail (311) is arranged on the first outer peripheral surface (310), the middle part of the first outer peripheral surface (310) is sunken towards the inside of the first pulley (300) to form the first rail (311), the first rail (311) is wound around a circle along the first outer peripheral surface (310), a groove (312) is further arranged on the first outer peripheral surface (310), and the groove (312) penetrates through the first pulley (300) along the axial direction of the first pulley (300);
the second pulley seat (400) is arranged below the first pulley seat (200), and a second hanging piece (410) is arranged at the bottom of the second pulley seat (400);
a second pulley (500) rotatably provided on the second pulley holder (400), wherein a rotational axis of the second pulley (500) is in a horizontal direction;
a pull rope (600) having a fixed end (610) and a movable end (620), wherein the fixed end (610) is connected with the bottom of the first pulley seat (200), the movable end (620) sequentially passes through the second pulley (500) and the first pulley (300) and then extends outwards, at least a part of the pull rope (600) is arranged in the first track (311), and the diameter of the pull rope (600) is greater than the distance between the groove bottom of the groove (312) and the bottom surface of the first track (311);
the braking piece (700) is hinged to the first pulley seat (200), a clamping block (710) is arranged on the braking piece (700), the clamping block (710) protrudes out of the braking piece (700), the size of the clamping block (710) is matched with the groove (312), the clamping block (710) is linked with the braking piece (700), the rotating track of the clamping block (710) is intersected with the rotating track of the groove (312), and the clamping block (710) is inserted into the groove (312) so that the pull rope (600) is pressed between the first track (311) and the clamping block (710).
2. The electric power construction auxiliary hoisting tool of claim 1, characterized in that: the first hanging piece (210) is a hook, and the first hanging piece (210) is detachably connected with the hanging ring (110).
3. The electric power construction auxiliary hoisting tool of claim 2, characterized in that: the first hanging piece (210) is provided with a safety catch (211), one end of the safety catch (211) is hinged to the hook body of the first hanging piece (210), and the other end of the safety catch (211) abuts against the hook tip of the first hanging piece (210).
4. The electric power construction auxiliary hoisting tool of claim 1, characterized in that: the number of the grooves (312) is multiple, and all the grooves (312) are sequentially distributed at intervals along the circumferential direction of the first outer circumferential surface (310).
5. The electric power construction auxiliary hoisting tool of claim 1, characterized in that: the width of the groove (312) is gradually reduced from the notch to the groove bottom, and the shape of the fixture block (710) is matched with the shape of the groove (312).
6. The electric power construction auxiliary hoisting tool of claim 1, characterized in that: the bottom of first pulley seat (200) is equipped with couple (220), stiff end (610) around connect in on couple (220).
7. The electric power construction auxiliary hoisting tool of claim 1, characterized in that: the second pulley (500) is provided with a second outer circumferential surface (510), a second track (520) is arranged on the second outer circumferential surface (510), the middle of the second outer circumferential surface (510) is sunken towards the inside of the second pulley (500) to form the second track (511), the second track (511) surrounds the second outer circumferential surface (510) for one circle, and at least one part of the pull rope (600) is arranged in the second track (511).
8. The electric power construction auxiliary hoisting tool of claim 1, characterized in that: the rotating track of the fixture block (710) intersects with the upper part of the first pulley (300).
9. The electric power construction auxiliary hoisting tool of claim 1, characterized in that: the second hanging piece (410) is a hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011257933.0A CN112374407A (en) | 2020-11-12 | 2020-11-12 | Auxiliary hoisting tool for electric power construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011257933.0A CN112374407A (en) | 2020-11-12 | 2020-11-12 | Auxiliary hoisting tool for electric power construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112374407A true CN112374407A (en) | 2021-02-19 |
Family
ID=74582911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011257933.0A Pending CN112374407A (en) | 2020-11-12 | 2020-11-12 | Auxiliary hoisting tool for electric power construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112374407A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115634394A (en) * | 2022-09-08 | 2023-01-24 | 广东电网有限责任公司 | Protective device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6189867B1 (en) * | 1998-10-23 | 2001-02-20 | Surety Manufacturing & Testing Ltd. | Load-handling device |
| CN102447222A (en) * | 2010-09-30 | 2012-05-09 | 河南省电力公司新乡供电公司 | Disconnecting switch overhaul lifting appliance |
| CN105460826A (en) * | 2016-01-29 | 2016-04-06 | 国网山东省电力公司日照供电公司 | Lifting device for electric power maintenance |
| CN106185675A (en) * | 2015-04-30 | 2016-12-07 | 华为技术有限公司 | A kind of base station equipment lifting auxiliary device |
| CN106185676A (en) * | 2016-08-30 | 2016-12-07 | 福建省东山县辉永泰体育用品实业有限公司 | A kind of assembly pulley of band stop protection |
| KR102020217B1 (en) * | 2019-04-03 | 2019-09-10 | 유병수 | slow-descending device with V-shaped brake |
| CN210944653U (en) * | 2019-09-26 | 2020-07-07 | 国网山东省电力公司青岛供电公司 | A pulley structure for avoiding rope entanglement |
| CN211038109U (en) * | 2019-08-16 | 2020-07-17 | 无锡市立奕德实业有限公司 | Frame type gear strainer |
| CN211201350U (en) * | 2019-08-16 | 2020-08-07 | 无锡市立奕德实业有限公司 | Plate type gear tensioner |
-
2020
- 2020-11-12 CN CN202011257933.0A patent/CN112374407A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6189867B1 (en) * | 1998-10-23 | 2001-02-20 | Surety Manufacturing & Testing Ltd. | Load-handling device |
| CN102447222A (en) * | 2010-09-30 | 2012-05-09 | 河南省电力公司新乡供电公司 | Disconnecting switch overhaul lifting appliance |
| CN106185675A (en) * | 2015-04-30 | 2016-12-07 | 华为技术有限公司 | A kind of base station equipment lifting auxiliary device |
| CN105460826A (en) * | 2016-01-29 | 2016-04-06 | 国网山东省电力公司日照供电公司 | Lifting device for electric power maintenance |
| CN106185676A (en) * | 2016-08-30 | 2016-12-07 | 福建省东山县辉永泰体育用品实业有限公司 | A kind of assembly pulley of band stop protection |
| KR102020217B1 (en) * | 2019-04-03 | 2019-09-10 | 유병수 | slow-descending device with V-shaped brake |
| CN211038109U (en) * | 2019-08-16 | 2020-07-17 | 无锡市立奕德实业有限公司 | Frame type gear strainer |
| CN211201350U (en) * | 2019-08-16 | 2020-08-07 | 无锡市立奕德实业有限公司 | Plate type gear tensioner |
| CN210944653U (en) * | 2019-09-26 | 2020-07-07 | 国网山东省电力公司青岛供电公司 | A pulley structure for avoiding rope entanglement |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115634394A (en) * | 2022-09-08 | 2023-01-24 | 广东电网有限责任公司 | Protective device |
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Country or region after: China Address after: No.33 Guangyun Road, Shishan town, Nanhai District, Foshan City, Guangdong Province Applicant after: Foshan University Address before: No.33 Guangyun Road, Shishan town, Nanhai District, Foshan City, Guangdong Province Applicant before: FOSHAN University Country or region before: China |
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Application publication date: 20210219 |