CN112421484A - Safety labor-saving device for ground wire runaway - Google Patents
Safety labor-saving device for ground wire runaway Download PDFInfo
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- CN112421484A CN112421484A CN202011268423.3A CN202011268423A CN112421484A CN 112421484 A CN112421484 A CN 112421484A CN 202011268423 A CN202011268423 A CN 202011268423A CN 112421484 A CN112421484 A CN 112421484A
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- transmission shaft
- gear
- safety
- ground wire
- labor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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Abstract
The invention discloses a safe labor-saving device for a ground wire galloping vehicle, which comprises a supporting component and a safety rope, wherein a first transmission shaft and a second transmission shaft which are arranged in parallel are arranged on the supporting component; the ratchet wheel is connected to the first transmission shaft in a rotating mode, a pawl matched with the ratchet wheel is arranged on the supporting component, friction plates are arranged on two sides of the ratchet wheel, a first axial limiting part is arranged on the outer side of one friction plate, a first gear is arranged on the outer side of the other friction plate, the first gear is in threaded connection with the first transmission shaft, a second gear meshed with the first gear is arranged on the second transmission shaft, and the diameter of the second gear is larger than that of the first gear. The invention has the characteristics of labor saving, safe and efficient operation, simple structure and convenient carrying and tower climbing operation for workers.
Description
Technical Field
The invention relates to the technical field of high-altitude power transmission line repair, in particular to a safe labor-saving device for ground wire runaway.
Background
The ground wire flying vehicle is used for high-altitude operation of the power transmission line. At present, when accessories are installed and defects are treated on ground wires and optical cables of overhead transmission lines, a common method is that workers use ground wire runaway outgoing lines to operate.
However, the existing ground wire galloping brake device is not firmly meshed with the ground wire, the galloping linear speed is not easy to control, the potential safety hazard is large, the ground wire galloping brake device is difficult to pull back, and the labor intensity of workers is large.
Disclosure of Invention
The invention aims to provide a safe labor-saving device for a ground wire galloping vehicle, which has the characteristics of labor saving, safe and efficient operation, simple structure and convenience for carrying and climbing a tower for workers.
The invention is realized by the following technical scheme:
a safe labor-saving device for ground wire galloping comprises a supporting component and a safety rope, wherein a first transmission shaft and a second transmission shaft are arranged on the supporting component in parallel, one end of the safety rope is wound on the first transmission shaft, and the other end of the safety rope is wound on the second transmission shaft; the ratchet wheel is connected to the first transmission shaft in a rotating mode, a pawl matched with the ratchet wheel is arranged on the supporting component, friction plates are arranged on two sides of the ratchet wheel, a first axial limiting part is arranged on the outer side of one friction plate, a first gear is arranged on the outer side of the other friction plate, the first gear is in threaded connection with the first transmission shaft, a second gear meshed with the first gear is arranged on the second transmission shaft, and the diameter of the second gear is larger than that of the first gear.
Optionally, the outer sides of the two friction plates are provided with gaskets.
Optionally, a second axial limit is arranged on one side, away from the friction plate, of the first gear.
Optionally, a first rope winding roller is fixedly connected to the first transmission shaft, and a second rope winding roller is fixedly connected to the second transmission shaft.
Optionally, one end of the first transmission shaft is connected with an electric screwdriver coupling head or a handle.
Optionally, two first curb plates that set up side by side of support component, the one end of first transmission shaft with the second transmission shaft rotates to be connected in one of them first curb plate, and the other end rotates to be connected in another first curb plate, is connected with two second curb plates that arrange side by side between two first curb plates, just first transmission shaft with the second transmission shaft is located two between the second curb plate.
Optionally, the support member is provided with a lifting ring for connecting with angle iron tower.
Optionally, the first gear and the first gear are provided with a first protective cover, and the ratchet and the pawl are provided with a second protective cover.
Optionally, the first limit is a step arranged on the first transmission shaft.
Optionally, the second limit is a pin connected to the first transmission shaft.
The invention has at least the following advantages and beneficial effects: the safety rope is simple in structure and convenient for workers to carry and climb the tower, when the safety rope is used, two workers move to the top end of the iron tower, the device and the angle steel of the iron tower are connected together, one end of the safety rope is pulled by one worker (for convenience of description, the worker is called a pulling worker), the other worker rides on a ground wire galloping car (for convenience of description, the worker is called an operator), and the other end of the safety rope is connected with the ground wire galloping car or is bound on the body of the worker; the first transmission shaft is rotated by a tractor to release the safety rope, so that the operator can slowly move to a repaired place (the back 8-shaped buckle backup protection device is installed at a proper distance during the repair process, and a plurality of problems caused by overlarge sag are prevented), and the safety is improved.
After the operator reaches the rest position, the tractor stops rotating the first transmission shaft, because after the stop rotation, under the inertia of gravity, the operator can continue to move forward, at the moment, the second gear drives the first gear to rotate, the screw thread between the first gear and the first transmission shaft is screwed (namely, at the moment, the first transmission shaft does not rotate, and the first gear rotates and moves towards the ratchet wheel direction), a large axial force is provided for the ratchet wheel and the friction plate, so that the large friction force generated between the friction plate and the ratchet wheel can not continue to rotate, and simultaneously, under the matching of the pawl and the ratchet wheel, the friction plate, the whole formed by the first gear and the first transmission shaft can not rotate and is in a locking state, the safety rope can not be continuously discharged, the use safety is improved, and the operator can repair the operation.
After the repair is finished, a traction person reversely rotates the first transmission shaft, the thread between the first gear and the first transmission shaft is loosened (namely, the first transmission shaft rotates to drive the first gear to move in a direction away from the ratchet wheel), so that no axial extrusion force exists between the friction plate and the ratchet wheel, a certain gap is reserved, and the friction force is very small; the first transmission shaft of iron tower top traction personnel continuation reverse rotation again, can pull back the operation personnel iron tower top, the meshing of the first gear through first transmission shaft and the epaxial second gear of second transmission moreover, and the diameter of second gear is greater than the diameter of first gear, has increased drive ratio and transmission efficiency for traction personnel rotates first transmission shaft more laborsavingly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a first structural schematic diagram of a safety labor-saving device for a ground wire galloping vehicle provided by the invention;
FIG. 2 is a schematic structural diagram II of a safety labor-saving device for a ground wire galloping vehicle provided by the invention;
fig. 3 is a top view of a safety labor-saving device for a ground wire galloping car provided by the invention;
FIG. 4 is a sectional view A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a sectional view of an integral connection structure of a first transmission shaft, a friction plate, a spacer, a ratchet wheel and a first gear;
FIG. 7 is a schematic view of the working state of the present invention;
FIG. 8 is an enlarged view at C of FIG. 7;
icon: 1-supporting part, 101-first side plate, 102-second side plate, 2-safety rope, 3-first transmission shaft, 4-second transmission shaft, 5-ratchet wheel, 6-pawl, 7-friction plate, 8-first gear, 9-second gear, 10-gasket, 11-second axial limit, 12-first rope winding roller, 13-second rope winding roller, 14-electric screwdriver connector, 15-lifting ring, 16-first protecting cover, 17-second protecting cover, 18-iron tower, 19-traction person, 20-operation person, 21- '8' character button, 22-cable and 100-safety labor-saving device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the terms are only used for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-6, a safety labor-saving device for a ground wire galloping car comprises a supporting part 1 and a safety rope 2. Two first curb plates 101 that set up side by side of supporting component 1, be connected with two second curb plates 102 that arrange side by side between two first curb plates 101, pass through bolted connection or welding between first curb plate 101 and the second curb plate 102 and can all.
In this embodiment, the supporting member 1 is provided with a hanging ring 15 for connecting with a steel tower angle, specifically, the hanging ring 15 is welded or connected to one of the second side plates 102 by a screw.
In this embodiment, the first transmission shaft 3 is fixedly connected with a first rope winding roller 12, the second transmission shaft 4 is fixedly connected with a second rope winding roller 13, one end of the safety rope 2 is wound on the first rope winding roller 12 of the first transmission shaft 3, and the other end of the safety rope is wound on the second rope winding roller 13 of the second transmission shaft 4.
In this embodiment, the supporting component is provided with a first transmission shaft 3 and a second transmission shaft 4 which are arranged in parallel, one end of the first transmission shaft 3 and one end of the second transmission shaft 4 are rotatably connected to one of the first side plates 101, the other end of the first transmission shaft 3 and the other end of the second transmission shaft 4 are rotatably connected to the other first side plate 101, and the first transmission shaft 3 and the second transmission shaft 4 are located between the two second side plates 102, so that the device can be protected by the first side plate 101 and the second side plate 102.
The first transmission shaft 3 is rotatably connected with a ratchet wheel 5, a pawl 6 matched with the ratchet wheel 5 is arranged on the supporting component 1, friction plates 7 are arranged on two sides of the ratchet wheel 5, gaskets 10 are arranged on the outer sides of the two friction plates 7, and a first axial limit is arranged on the outer side of the friction plate 7 on one side; the outside of opposite side friction disc 7 is equipped with first gear 8, and first gear 8 passes through threaded connection with first transmission shaft 3, and one side that friction disc 7 was kept away from to first gear 8 is equipped with spacing 11 of second axial, and in this embodiment, spacing 11 of second axial is the pin of being connected with first transmission shaft 3.
In this embodiment, one end of the first transmission shaft 3 is connected to the screwdriver coupling head 14 or the handle (not shown), so that the first transmission shaft 3 can be manually rotated during operation, or the first transmission shaft 3 can be driven to rotate by the connection of the motor and the screwdriver coupling head 14, thereby reducing the labor intensity.
In this embodiment, the second transmission shaft 4 is provided with a second gear 9 engaged with the first gear 8, and the diameter of the second gear 9 is larger than that of the first gear 8, so as to increase the transmission ratio and transmission efficiency.
In this embodiment, the first gear 8 and the first gear 8 are provided with a first protective cover 16, and the ratchet 5 and the pawl 6 are provided with a second protective cover 17.
The safety labor-saving device is simple in structure and convenient for workers to carry and climb a tower, when the safety labor-saving device is used, two workers move to the top end of the iron tower 18, as shown in fig. 7, the safety labor-saving device 100 is connected with angle steel of the iron tower 18, one end of the safety rope 2 is pulled by one worker (for convenience of description, the worker is called a pulling worker 19), the other worker rides on a ground wire coaster (for convenience of description, the worker is called a worker 20), and the other end of the safety rope 2 is connected with the ground wire coaster (not shown in the figure) or is bound on the body of the worker; the operator rotates the first transmission shaft 3 to pay out the safety rope 2, and then slowly moves the operator 20 to the location to be repaired (while installing a back-up protection device of the rear 8-shaped buckle 21 on the cable 22 at an appropriate distance, as shown in fig. 8, to prevent problems caused by an excessively large sag), thereby improving safety.
After the crew member 20 has reached the rest position, the drafter 19 stops rotating the first drive shaft 3, after the rotation is stopped, but under the inertia of gravity, the operator 20 will still move forward, at this time, the second gear 9 drives the first gear 8 to rotate, the thread between the first gear 8 and the first transmission shaft 3 is tightened (i.e. at this time, the first transmission shaft 3 does not rotate, but the first gear 8 rotates and moves toward the ratchet 5), a large axial force is applied to the ratchet 5 and the friction plate 7, so that a large friction force is generated between the friction plate 7 and the ratchet 5, and the rotation cannot continue, meanwhile, under the matching of the pawl 6 and the ratchet wheel 5, the whole formed by the ratchet wheel 5, the friction plate 7, the first gear 8 and the first transmission shaft 3 cannot rotate and is in a locking state, the safety rope 2 cannot be continuously released, the use safety is improved, and the operator 20 can repair the safety rope.
After the repair is completed, the tractor 19 rotates the first transmission shaft 3 in the reverse direction, and the thread between the first gear 8 and the first transmission shaft 3 is loosened (i.e., at this time, the first transmission shaft 3 rotates to drive the first gear 8 to move in a direction away from the ratchet 5), so that no axial extrusion force exists between the friction plate 7 and the ratchet 5, a certain gap is left, and the friction force becomes very small; the 18 top traction personnel 19 of iron tower resumes the first transmission shaft 3 of antiport again, can pull back operation personnel 20 the 18 top of iron tower, and the first gear 8 through first transmission shaft 3 meshes with the second gear 9 on the second transmission shaft 4 moreover, and the diameter of second gear 9 is greater than the diameter of first gear 8, has increased drive ratio and transmission efficiency for traction personnel 19 rotates first transmission shaft 3 more laborsavingly.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a safe laborsaving device for ground wire driving which characterized in that: the safety rope comprises a supporting part (1) and a safety rope (2), wherein a first transmission shaft (3) and a second transmission shaft (4) which are arranged in parallel are arranged on the supporting part (1), one end of the safety rope (2) is wound on the first transmission shaft (3), and the other end of the safety rope is wound on the second transmission shaft (4); the utility model discloses a ratchet wheel, including support part (1), first transmission shaft (3), be equipped with on support part (1) and ratchet wheel (5) complex pawl (6), the both sides of ratchet wheel (5) all are equipped with friction disc (7), and wherein the outside of one side friction disc (7) is equipped with first axial spacing, and the outside of opposite side friction disc (7) is equipped with first gear (8), first gear (8) with first transmission shaft (3) pass through threaded connection, be equipped with on second transmission shaft (4) with second gear (9) of first gear (8) meshing, just the diameter of second gear (9) is greater than the diameter of first gear (8).
2. A safety and labor-saving device for a ground wire flying vehicle as claimed in claim 1, wherein: and gaskets (10) are arranged on the outer sides of the two friction plates (7).
3. A safety and labor-saving device for a ground wire flying vehicle as claimed in claim 1, wherein: and a second axial limiting part (11) is arranged on one side, far away from the friction plate (7), of the first gear (8).
4. A safety and labor-saving device for a ground wire flying vehicle as claimed in claim 1, wherein: first rope winding roller (12) is fixedly connected to the first transmission shaft (3), and second rope winding roller (13) is fixedly connected to the second transmission shaft (4).
5. A safety and labor-saving device for a ground wire flying vehicle as claimed in claim 1, wherein: one end of the first transmission shaft (3) is connected with an electric screwdriver connecting head (14) or a handle.
6. A safety and labor-saving device for a ground wire flying vehicle as claimed in claim 1, wherein: the supporting component is characterized in that the supporting component comprises two first side plates (101) which are arranged in parallel, one end of each of the first transmission shaft (3) and the second transmission shaft (4) is rotatably connected to one of the first side plates (101), the other end of each of the first transmission shaft and the second transmission shaft is rotatably connected to the other first side plate (101), two second side plates (102) which are arranged in parallel are connected between the two first side plates (101), and the first transmission shaft (3) and the second transmission shaft (4) are located between the two second side plates (102).
7. A safety and labor-saving device for a ground wire flying vehicle as claimed in claim 1, wherein: the supporting part (1) is provided with a hanging ring (15) which is connected with angle steel of an iron tower (18).
8. A safety and labor-saving device for a ground wire flying vehicle as claimed in claim 1, wherein: first gear (8) with first gear (8) are equipped with first protecting cover (16), ratchet (5) with pawl (6) are equipped with second protecting cover (17).
9. A safety and labor-saving device for a ground wire flying vehicle as claimed in claim 1, wherein: the first limit is a step arranged on the first transmission shaft (3).
10. A safety and labor-saving device for a ground wire flying vehicle as claimed in claim 3, wherein: the second limit is a pin connected with the first transmission shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011268423.3A CN112421484B (en) | 2020-11-13 | 2020-11-13 | Safety labor-saving device for ground wire runaway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011268423.3A CN112421484B (en) | 2020-11-13 | 2020-11-13 | Safety labor-saving device for ground wire runaway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112421484A true CN112421484A (en) | 2021-02-26 |
| CN112421484B CN112421484B (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011268423.3A Active CN112421484B (en) | 2020-11-13 | 2020-11-13 | Safety labor-saving device for ground wire runaway |
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| CN (1) | CN112421484B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ199554A (en) * | 1981-01-30 | 1985-04-30 | Int Standard Electric Corp | Tension limiting on duct cable installation |
| CN201999676U (en) * | 2011-03-22 | 2011-10-05 | 辽宁省电力有限公司丹供电公司 | Automatic-control friction clutching self-locking manual winch |
| CN202529664U (en) * | 2012-03-23 | 2012-11-14 | 上海市电力公司 | Cable collecting and releasing device |
| CN104332890A (en) * | 2014-11-12 | 2015-02-04 | 国家电网公司 | Portable manual take-up device |
| GB201502365D0 (en) * | 2015-02-13 | 2015-04-01 | Seares Craig J P And Barker Mark A | Flange mounted cable puller |
| CN108075397A (en) * | 2017-12-07 | 2018-05-25 | 中国南方电网有限责任公司超高压输电公司广州局 | Mobile corner block |
| CN109867220A (en) * | 2019-03-11 | 2019-06-11 | 三峡大学 | A kind of twin-roll motor-driven grinding mill non-return device and its control method |
| CN110683472A (en) * | 2019-09-16 | 2020-01-14 | 中国人民解放军总参谋部第六十研究所 | Capstan winch power conversion device with self-locking function |
-
2020
- 2020-11-13 CN CN202011268423.3A patent/CN112421484B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ199554A (en) * | 1981-01-30 | 1985-04-30 | Int Standard Electric Corp | Tension limiting on duct cable installation |
| CN201999676U (en) * | 2011-03-22 | 2011-10-05 | 辽宁省电力有限公司丹供电公司 | Automatic-control friction clutching self-locking manual winch |
| CN202529664U (en) * | 2012-03-23 | 2012-11-14 | 上海市电力公司 | Cable collecting and releasing device |
| CN104332890A (en) * | 2014-11-12 | 2015-02-04 | 国家电网公司 | Portable manual take-up device |
| GB201502365D0 (en) * | 2015-02-13 | 2015-04-01 | Seares Craig J P And Barker Mark A | Flange mounted cable puller |
| CN108075397A (en) * | 2017-12-07 | 2018-05-25 | 中国南方电网有限责任公司超高压输电公司广州局 | Mobile corner block |
| CN109867220A (en) * | 2019-03-11 | 2019-06-11 | 三峡大学 | A kind of twin-roll motor-driven grinding mill non-return device and its control method |
| CN110683472A (en) * | 2019-09-16 | 2020-01-14 | 中国人民解放军总参谋部第六十研究所 | Capstan winch power conversion device with self-locking function |
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| CN112421484B (en) | 2022-04-26 |
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