CN215452323U - Tool for replacing strain insulator string of power transmission line - Google Patents
Tool for replacing strain insulator string of power transmission line Download PDFInfo
- Publication number
- CN215452323U CN215452323U CN202122114020.XU CN202122114020U CN215452323U CN 215452323 U CN215452323 U CN 215452323U CN 202122114020 U CN202122114020 U CN 202122114020U CN 215452323 U CN215452323 U CN 215452323U
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- shaped
- insulator string
- transmission line
- positioning
- strain insulator
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Abstract
The utility model discloses a tool for replacing a strain insulator string of a power transmission line, which comprises three side plates, a lifting hook assembly and an engagement mechanism, wherein a central shaft is arranged between the middle parts of the three side plates, a belt wheel is sleeved on the left section of the central shaft, a soft pull belt is arranged on the belt wheel, the lifting hook assembly is arranged at the other end of the soft pull belt, a driven gear is sleeved on the right section of the central shaft, and the driven gear is connected with the right side plate through the engagement mechanism. The tension insulator string replacing device solves the problem that the tension insulator string is inconvenient to replace by matching the mechanism components, is compact in overall structural design, convenient to install in the whole operation process, convenient to operate, safe and reliable, and has good application value and popularization reference function.
Description
Technical Field
The utility model relates to the technical field of power transmission lines, in particular to a tool for replacing a strain insulator string of a power transmission line.
Background
With the application of the transmission line state detection technology and the further maturity of the unmanned aerial vehicle inspection technology, transmission line inspection means are gradually enriched, the discovery rate of potential equipment hazards of the transmission line is gradually improved, the heating phenomenon of jumper string insulators of the transmission line belongs to critical defects, the mechanical strength is reduced due to the heating of composite insulator core rods at any time, string falling accidents of insulators are caused, and the safe and stable operation of a power grid is seriously threatened.
The existing strain insulator string has the following disadvantages: 1. due to the high-altitude operation, the power-off replacement is carried out according to a normal operation method in the process of disassembling the power transmission line, so that the power transmission line is inconvenient to fix, and the stability of the power transmission line cannot be ensured; 2. because strain insulator string's highly different, traditional pull rod and four wire hook are more single, can't satisfy the purpose of carrying out quick replacement to strain insulator string, lead to changing the problem that the jumper wire insulator string spends long time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a tool for replacing a strain insulator string of a power transmission line.
In order to solve the problems in the prior art, the utility model adopts the following technical scheme:
the utility model provides a change transmission line strain insulator string's instrument, includes three curb plates, lifting hook subassembly, engagement mechanism, three be equipped with the center pin between the middle part of curb plate, the cover is equipped with the band pulley on the left side section of center pin, be equipped with soft stretching strap on the band pulley, the lifting hook subassembly is installed to the other end of soft stretching strap, the cover is equipped with driven gear on the right side section of center pin, driven gear passes through engagement mechanism and is connected with the curb plate on right side.
Preferably, a fixed shaft is arranged between the tops of the three side plates, a U-shaped fixed seat is arranged above the fixed shaft, and two ends of the U-shaped fixed seat are movably hinged with the fixed shaft.
Preferably, the top of the U-shaped fixed seat is provided with a fixed self-locking hook, and the bottom end of the fixed self-locking hook is movably hinged with the middle part of the top surface of the U-shaped fixed seat through a first pin shaft.
Preferably, three equipartition is equipped with four spacing axles between the bottom of curb plate, and every the both ends of spacing axle all are equipped with limit nut, four spacing axles are all run through and downwardly extending in the middle part of the both sides of soft stretching strap.
Preferably, the lifting hook assembly comprises a U-shaped positioning seat and a positioning self-locking hook, a positioning shaft is arranged in an opening of the U-shaped positioning seat, a wear-resistant sleeve is sleeved on the positioning shaft, the bottom end portion of the soft drawstring is sleeved on the wear-resistant sleeve, the positioning self-locking hook is arranged at the bottom of the U-shaped positioning seat, and the top end portion of the positioning self-locking hook is movably hinged to the middle of the bottom surface of the U-shaped positioning seat through a second pin shaft.
Preferably, an L-shaped foot plate is arranged below the positioning self-locking hook, a U-shaped screw is arranged in the middle of the top surface of the L-shaped foot plate, two ends of the U-shaped screw penetrate through the L-shaped foot plate and are locked with the positioning nut in a threaded manner, and the U-shaped screw is clamped on the positioning self-locking hook in a self-locking manner.
Preferably, the meshing mechanism includes universal driving shaft, driving gear, is located driven gear's top and is equipped with the universal driving shaft between the curb plate at right side and middle part, the right-hand member portion of universal driving shaft runs through the outside that extends to the curb plate, and the top that is located driven gear is equipped with the driving gear on the universal driving shaft, the driving gear is connected with the driven gear meshing, just the rightmost end portion of universal driving shaft is equipped with the tight pulley, be equipped with the slant bull stick on the tight pulley.
Preferably, a ratchet wheel is sleeved on the linkage shaft between the fixed wheel and the side plate, a ratchet claw is arranged on the side plate on the right side above the ratchet wheel and is clamped with the ratchet wheel tightly, and a stop block is arranged on the side plate on the right side above the ratchet claw.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the positioning self-locking hook and the U-shaped positioning seat extend downwards to the position below the strain insulator string by matching the hook assembly, and are self-locked and clamped on the positioning self-locking hook through the U-shaped screw rod, so that the phenomenon that the power transmission line falls off in the process of replacing the strain insulator string is avoided, and the fixing stability of the lower power transmission line is further improved;
2. in the utility model, the driven gear, the central shaft and the belt wheel are driven to rotate reversely by the meshing mechanism, so that the tightness degree of the soft draw string can be conveniently adjusted, the length of the soft draw string can be changed according to different strain insulator strings, the strain insulator string can be adapted to field conditions, and the replacement efficiency of the strain insulator string is further improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 is a front view of the present invention;
FIG. 2 is a front sectional view of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
FIG. 4 is a right side view of the side panel of the present invention;
number in the figure: the self-locking device comprises a side plate 1, a central shaft 11, a belt pulley 12, a driven gear 13, a fixed shaft 15, a limiting shaft 14, a fixed shaft 15, a U-shaped fixed seat 16, a fixed self-locking hook 17, a linkage shaft 2, a driving gear 21, a ratchet wheel 22, a fixed wheel 23, an oblique rotating rod 24, a ratchet claw 25, a stop dog 26, a soft drawstring 3, a U-shaped positioning seat 31, a wear-resistant sleeve 32, a positioning self-locking hook 33, an L-shaped foot plate 34 and a U-shaped screw 35.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1: the embodiment provides a change instrument of transmission line strain insulator string, refer to fig. 1-4, it is concrete, including three curb plates 1, the lifting hook subassembly, engagement mechanism, three curb plates 1 are vertical adjacent placing and the narrow broad platelike in lower part in upper portion, be equipped with the center pin 11 that transversely rotates and run through between the middle part of three curb plates 1, wherein, the cover is equipped with the band pulley 12 of concentric rigid coupling on the left section of center pin 11 between the curb plate 1 that is located left side and middle part, be equipped with the soft stretching strap 3 of one end rigid coupling on the band pulley 12, the lifting hook subassembly is installed to the other end of soft stretching strap 3, the cover is equipped with driven gear 13 on the right section of center pin 11 between the curb plate 1 that is located right side and middle part, driven gear 13 is connected with curb plate 1 on right side through engagement mechanism.
In the utility model, a transversely-penetrated fixed shaft 15 is arranged between the tops of three side plates 1, a U-shaped fixed seat 16 with a downward opening is arranged above the fixed shaft 15, and two ends of the U-shaped fixed seat 16 are respectively and movably hinged with two ends of the fixed shaft 15; the top of the U-shaped fixing seat 16 is provided with a fixed self-locking hook 17, the bottom end part of the fixed self-locking hook 17 is movably hinged with the middle part of the top surface of the U-shaped fixing seat 16 through a first pin shaft, and the fixed self-locking hook 17 is hung at the upper position of the strain insulator string, so that the tool can be conveniently and integrally hung and fixed.
In the utility model, four transversely-rotating penetrating limiting shafts 14 are uniformly distributed between the bottoms of the three side plates 1, two end parts of each limiting shaft 14 are respectively provided with a limiting nut, and the middle parts of two sides of the soft drawstring 3 respectively penetrate through the four limiting shafts 14 and extend downwards, so that the up-and-down contraction stability of the soft drawstring 3 is increased, and the phenomenon that the soft drawstring 3 is folded is avoided.
In the utility model, the hook component comprises a U-shaped positioning seat 31 and a positioning self-locking hook 33, a positioning shaft which is rotatably connected is arranged in an opening of the U-shaped positioning seat 31, a wear-resistant sleeve 32 which is concentrically and fixedly connected is sleeved on the positioning shaft, the bottom end part of the soft drawstring 3 is sleeved on the wear-resistant sleeve 32, the bottom of the U-shaped positioning seat 31 is provided with the positioning self-locking hook 33, the top end part of the positioning self-locking hook 33 is movably hinged with the middle part of the bottom surface of the U-shaped positioning seat 31 through a second pin shaft, and the service life of the soft drawstring 3 is prolonged by the wear-resistant sleeve 32.
In the utility model, an L-shaped foot plate 34 is arranged below the positioning self-locking hook 33, a U-shaped screw 35 is arranged in the middle of the top surface of the L-shaped foot plate 34, two ends of the U-shaped screw 35 penetrate through the L-shaped foot plate 34 and are locked with a positioning nut in a threaded manner, and the U-shaped screw 35 is clamped on the positioning self-locking hook 33 in a self-locking manner, so that the L-shaped foot plate 34 can be fixedly connected conveniently.
Example 2: in example 1, there is also a problem that the length of the soft drawstring is inconvenient to adjust, and therefore, this embodiment further includes, on the basis of example 1:
in the utility model, the meshing mechanism comprises a linkage shaft 2 and a driving gear 21, the linkage shaft 2 is rotatably connected between the side plates 1 on the right side and the middle part and positioned above the driven gear 13, the right end part of the linkage shaft 2 extends to the outer side of the side plates 1 in a penetrating manner, the driving gear 21 is sleeved on the linkage shaft 2 and positioned above the driven gear 13, the driving gear 21 is meshed with the driven gear 13, the rightmost end part of the linkage shaft 2 is provided with a fixed wheel 23, the fixed wheel 23 is provided with an oblique rotating rod 24, the driven gear 13, the central shaft 11 and the belt wheel 12 are driven to rotate through meshing, and the tightness degree of the soft drawstring 3 is conveniently adjusted.
In the utility model, a ratchet wheel 22 is sleeved on the linkage shaft 2 between the fixed wheel 23 and the side plate 1, a ratchet claw 25 which is rotatably connected is arranged on the side plate 1 on the right side above the ratchet wheel 22, the ratchet claw 25 is tightly clamped with the ratchet wheel 22, and a stop block 26 is arranged on the side plate 1 on the right side above the ratchet claw 25, so that the phenomenon that the ratchet wheel 22 and the linkage shaft 2 are reversed is avoided.
Example 3: when the utility model is used specifically, the operation steps are as follows:
firstly, hanging a fixed self-locking hook 17 above a strain insulator string, loosening a ratchet pawl 25, rotating an inclined rotating rod 24 to drive a fixed wheel 23, a linkage shaft 2 and a driving gear 21 to rotate, and meshing the fixed self-locking hook with a driven gear 13, a central shaft 11 and a belt wheel 12 to rotate reversely, so that a soft pull belt 3 is loosened downwards along a limiting shaft 14;
secondly, under the action of gravity, the positioning self-locking hook 33 and the U-shaped positioning seat 31 extend downwards to the position below the strain insulator string, and the oblique rotating rod 24 and the fixed wheel 23 stop rotating, so that the ratchet claw 25 is tightly clamped with the ratchet wheel 22;
and step three, locking and fixing the L-shaped foot plate 34 and the power transmission line below the strain insulator string, and self-locking and clamping the L-shaped foot plate and the power transmission line on the positioning self-locking hook 33 through the U-shaped screw 35, so that the strain insulator string is replaced.
The tension insulator string replacing device solves the problem that the tension insulator string is inconvenient to replace by matching the mechanism components, is compact in overall structural design, convenient to install in the whole operation process, convenient to operate, safe and reliable, and has good application value and popularization reference function.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a change transmission line strain insulator string's instrument, includes three curb plates (1), lifting hook subassembly, engagement mechanism, its characterized in that: three be equipped with center pin (11) between the middle part of curb plate (1), the cover is equipped with band pulley (12) on the left side section of center pin (11), be equipped with soft stretching strap (3) on band pulley (12), the lifting hook subassembly is installed to the other end of soft stretching strap (3), the cover is equipped with driven gear (13) on the right side section of center pin (11), driven gear (13) are connected through curb plate (1) on meshing mechanism and right side.
2. The tool for replacing the strain insulator string of the power transmission line according to claim 1, wherein: three be equipped with fixed axle (15) between the top of curb plate (1), the top of fixed axle (15) is equipped with U-shaped fixing base (16), the both ends and the fixed axle (15) swing joint of U-shaped fixing base (16).
3. The tool for replacing the strain insulator string of the power transmission line according to claim 2, wherein: the top of the U-shaped fixed seat (16) is provided with a fixed self-locking hook (17), and the bottom end of the fixed self-locking hook (17) is movably hinged with the middle part of the top surface of the U-shaped fixed seat (16) through a first pin shaft.
4. The tool for replacing the strain insulator string of the power transmission line according to claim 1, wherein: the bottom of three curb plate (1) between the equipartition be equipped with four spacing axles (14), and every the both ends of spacing axle (14) all are equipped with stop nut, four spacing axles (14) and downwardly extending are all run through in the middle part of the both sides of soft stretching strap (3).
5. The tool for replacing the strain insulator string of the power transmission line according to claim 1, wherein: the lifting hook assembly comprises a U-shaped positioning seat (31) and a positioning self-locking hook (33), a positioning shaft is arranged in an opening of the U-shaped positioning seat (31), a wear-resistant sleeve (32) is sleeved on the positioning shaft, the bottom end part of the soft drawstring (3) is sleeved on the wear-resistant sleeve (32), the positioning self-locking hook (33) is arranged at the bottom of the U-shaped positioning seat (31), and the top end part of the positioning self-locking hook (33) is movably hinged to the middle part of the bottom surface of the U-shaped positioning seat (31) through a second pin shaft.
6. The tool for replacing the strain insulator string of the power transmission line according to claim 5, wherein: an L-shaped foot plate (34) is arranged below the positioning self-locking hook (33), a U-shaped screw rod (35) is arranged in the middle of the top surface of the L-shaped foot plate (34), two ends of the U-shaped screw rod (35) penetrate through the L-shaped foot plate (34) and are locked with the positioning nut in a threaded mode, and the U-shaped screw rod (35) is clamped on the positioning self-locking hook (33) in a self-locking mode.
7. The tool for replacing the strain insulator string of the power transmission line according to claim 1, wherein: the meshing mechanism comprises a linkage shaft (2) and a driving gear (21), wherein the linkage shaft (2) is arranged between the right side and the middle side plate (1) above the driven gear (13), the right end part of the linkage shaft (2) runs through the outer side extending to the side plate (1), the driving gear (21) is sleeved on the linkage shaft (2) above the driven gear (13), the driving gear (21) is meshed with the driven gear (13) and is connected with the right end part of the linkage shaft (2) through a fixed wheel (23), and an oblique rotating rod (24) is arranged on the fixed wheel (23).
8. The tool for replacing the strain insulator string of the power transmission line according to claim 7, wherein: the ratchet wheel (22) is sleeved on the linkage shaft (2) between the fixed wheel (23) and the side plate (1), the ratchet claw (25) is arranged on the side plate (1) on the right side above the ratchet wheel (22), the ratchet claw (25) is clamped with the ratchet wheel (22) tightly, and the stop block (26) is arranged on the side plate (1) on the right side above the ratchet claw (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122114020.XU CN215452323U (en) | 2021-09-03 | 2021-09-03 | Tool for replacing strain insulator string of power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122114020.XU CN215452323U (en) | 2021-09-03 | 2021-09-03 | Tool for replacing strain insulator string of power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215452323U true CN215452323U (en) | 2022-01-07 |
Family
ID=79698796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122114020.XU Expired - Fee Related CN215452323U (en) | 2021-09-03 | 2021-09-03 | Tool for replacing strain insulator string of power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215452323U (en) |
-
2021
- 2021-09-03 CN CN202122114020.XU patent/CN215452323U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220107 |