CN108808553B - Hardware string handrail device for extra-high voltage direct current circuit - Google Patents
Hardware string handrail device for extra-high voltage direct current circuit Download PDFInfo
- Publication number
- CN108808553B CN108808553B CN201810661211.8A CN201810661211A CN108808553B CN 108808553 B CN108808553 B CN 108808553B CN 201810661211 A CN201810661211 A CN 201810661211A CN 108808553 B CN108808553 B CN 108808553B
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- hardware
- string
- clamp head
- extra
- high voltage
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229910052742 iron Inorganic materials 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000007665 sagging Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 239000012212 insulator Substances 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 206010020649 Hyperkeratosis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Electric Cable Installation (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses an extra-high voltage direct current line hardware fitting string hand-held device, and relates to a tool. When carrying out live working of the extra-high voltage direct current line, the insulator grounding end is required to be accessed through the hardware string, and at present, the mode of accessing the insulator grounding end through the hardware string is unsafe. The invention comprises two groups of hand mechanisms, wherein each hand mechanism comprises a fixing device, an insulating rod and a hardware clamp head, and the insulating rod is arranged between the fixing device and the hardware clamp head; the fitting chuck is provided with a containing cavity matched with the fitting serial connection plate so as to be inserted into the connection plate, one end of the hand mechanism is an iron tower fixed end provided with a fixing device, the other end of the hand mechanism is a connection plate connecting end provided with the fitting chuck, the fixing device is fixed on the iron tower through a connecting piece, and the fitting chuck is detachably and symmetrically arranged on the connection plate. When the technical scheme is used, the two hand mechanisms are symmetrically arranged on the connecting plate, an operator walks on the hardware string by holding the insulating rod by two hands, the working safety is improved, and the working is reliable.
Description
Technical Field
The invention relates to a tool, in particular to a hardware string hand-held device.
Background
When carrying out live working of the extra-high voltage direct current circuit, the insulator grounding end is required to be accessed through the hardware strings, the number of the hardware strings is two or three, and normally, an operator can grasp the hardware strings on one side by two hands and the hardware strings on the other side by two feet. However, the spacing between the hardware strings of the extra-high voltage direct current circuit is 1 m to 1 m 3, and operators cannot reach the hardware strings on the other side, so that the insulator cannot normally enter the grounding end of the insulator. In the process of construction and power failure maintenance, operators can slowly move to the insulator string through sitting on the hardware string. However, when working in live line, when workers sit on the hardware string, the sagging two legs have an influence on the safety distance, and the method of entering the insulator string by the hardware string is also irregular, and the mode method is unsafe and unreliable, so that the application is not allowed.
Disclosure of Invention
The technical problem to be solved and the technical task to be put forward in the invention are to perfect and improve the prior art scheme, and provide an extra-high voltage direct current line hardware fitting string hand device so as to achieve the purpose of improving the working safety. For this purpose, the present invention adopts the following technical scheme.
An extra-high voltage direct current circuit fitting string hand device which is characterized in that: the device comprises two groups of hand mechanisms, wherein each hand mechanism comprises a fixing device, an insulating rod and a hardware clamp head, and the insulating rod is arranged between the fixing device and the hardware clamp head; the hardware clamp is provided with a containing cavity matched with the hardware serial connection plate so as to be inserted into the connection plate, one end of the hand mechanism is an iron tower fixed end provided with a fixing device, the other end of the hand mechanism is a connection plate connecting end provided with the hardware clamp, the fixing device is fixed on the iron tower through a connecting piece, and the hardware clamp is detachably and symmetrically arranged on the connection plate. When the insulating wire is used, the two hand mechanisms are symmetrically arranged on the connecting plate, an operator walks on the hardware string by holding the insulating rod by two hands, the working safety is improved, and the working is reliable.
As a preferable technical means: the fixing device is provided with a fixing cavity of the iron tower in a 'shape', an anti-slip foot pad is arranged in the wall of the fixing cavity of the iron tower, the connecting piece is a screwed nut, and the screwed nut is pressed against the iron tower to fix the fixing device on the iron tower. The iron tower fixing cavity in the shape of 'section' is convenient to be connected with the iron tower.
As a preferable technical means: the hardware clamp is provided with a [ -shaped hardware clamp fixing cavity, and an elastic piece is arranged in the hardware clamp fixing cavity. At the yoke plate connected with the hardware string, the elastic piece is selected to be connected with the yoke plate, so that the chuck is connected with the yoke plate without running.
As a preferable technical means: the elastic piece comprises an anti-slip pad and a metal spring gasket, wherein the anti-slip pad is positioned on the upper wall of the hardware clamp fixing cavity, and the metal spring gasket is positioned on the lower wall of the hardware clamp fixing cavity. The hardware clamp adopts concave section steel, a spring sheet is arranged in the concave section steel, an anti-slip rubber mat can be arranged on the inner side of the upper sheet clamp, and downward pressure is generated by the clamp through the insulation rod and downward acting force of a person, so that the friction force between the hardware clamp and the yoke plate is increased, and the hardware clamp is prevented from falling off; meanwhile, the spring gasket is used for clamping the yoke plate through metal elasticity, and the clamping head of the hardware fitting is also fixed.
As a preferable technical means: the hardware clamp head comprises an upper clamping piece and a lower clamping piece, and the length of the upper clamping piece is longer than that of the lower clamping piece. The connection with the yoke plate is convenient, and the fitting clamp head is easy to hook the yoke plate.
As a preferable technical means: the hardware clamp is formed by bending a strip-shaped metal plate. Simple structure and reliable operation.
As a preferable technical means: the insulating rod is hinged with the fixing device and the hardware clamp. The bendable structure is convenient for connection with the yoke plate.
As a preferable technical means: the insulation rod is provided with an angle limiting part for limiting the rotation angle between the insulation rod and the hardware clamp head so as to prevent the hardware clamp head from sagging, and the maximum rotation angle between the hardware clamp head and the insulation rod is smaller than or equal to 180 degrees. The hardware clamp is convenient to be hooked on the yoke plate, an operator can directly operate the hardware clamp by a single person, and the work is safe and reliable.
As a preferable technical means: the insulating rod is formed by splicing a plurality of connecting rods in the length direction. The connecting rods can be detachably connected through threads.
As a preferable technical means: the total length of the insulating rod and the hardware clamp is greater than the length of the hardware string, and the insulating rod is positioned above the hardware string. The hardware clamp is favorable for hooking the hardware clamp, and is pulled to the direction of the iron tower forcibly after hooking, and the hardware clamp fixing cavity of the hardware clamp is parallel to the hardware clamp string, so that the friction force is increased.
The beneficial effects are that: the technical scheme is simple in structure, and the assembly operation can be completed by a single person, when the device is used, the two hand mechanisms are symmetrically arranged on the connecting plate, an operator walks on the hardware string by holding the insulating rod by two hands, so that the working safety is improved, and the device is reliable in working.
Drawings
FIG. 1 is a schematic view of the structure of the walking mechanism of the present invention.
Fig. 2 is an assembled schematic view of the present invention.
Fig. 3 is a schematic view of the assembled top view of the present invention.
In the figure: 1-a fixing device; 2-an insulating rod; 3-fitting clamping heads; 4-yoke plates; 5-iron tower; 6-fitting strings; 7-metal spring washers; 8-hand mechanism.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the attached drawings.
As shown in fig. 1-3, the invention comprises two sets of hand mechanisms 8, each hand mechanism 8 comprises a fixing device 1, an insulating rod 2 and a hardware clamp 3, and the insulating rod 2 is arranged between the fixing device 1 and the hardware clamp 3; the fitting chuck 3 is provided with a containing cavity matched with the fitting serial connection plate 4 so as to be inserted into the connection plate 4, one end of the hand mechanism 8 is an iron tower fixed end provided with the fixing device 1, the other end of the hand mechanism 8 is a connection plate connecting end provided with the fitting chuck 3, the fixing device 1 is fixed on the iron tower 5 through a connecting piece, and the fitting chuck 3 is detachably and symmetrically arranged on the connection plate 4. When the electric wire cutting machine is used, the two hand mechanisms 8 are symmetrically arranged on the connecting plate 4, an operator walks on the hardware string 6 by holding the insulating rod 2 by two hands, the working safety is improved, and the working is reliable.
For convenient connection, also convenient processing simultaneously, fixing device 1 can directly adopt the spill channel-section steel, and the spill channel-section steel has the iron tower fixed chamber of "]" shape, is equipped with anti-skidding callus on the sole in the fixed chamber wall of iron tower, and the connecting piece is the nut of screwing, and the nut of screwing supports to press on iron tower 5 in order to fix fixing device 1 on iron tower 5. The fixing cavity of the iron tower in the shape of 'j' is convenient to be connected with the iron tower 5.
In order to avoid running, the hardware clamp 3 is provided with a [ -shaped hardware clamp fixing cavity, and an elastic piece is arranged in the hardware clamp fixing cavity. At the joint plate 4 connected with the hardware string 6, an elastic piece is selected to be connected with the joint plate, so that the clamping head and the joint plate 4 are connected without running. The elastic piece comprises an anti-slip pad and a metal spring gasket 7, wherein the anti-slip pad is positioned on the upper wall of the hardware clamp fixing cavity, the metal spring gasket 7 is positioned on the lower wall of the hardware clamp fixing cavity, and the metal spring gasket 7 is pressed and inserted into the hardware clamp 3 in the hardware clamp fixing cavity. The hardware clamp 3 is made of concave steel, a spring sheet is arranged in the concave steel, an anti-slip rubber mat can be arranged on the inner side of the upper clamping piece, and downward pressure is generated by the hardware clamp 3 through the insulation rod 2 and downward acting force of a person, so that friction force between the hardware clamp 3 and the yoke plate 4 is increased, and the hardware clamp 3 is prevented from falling off; meanwhile, the spring gasket is used for clamping the yoke plate 4 through metal elasticity, and also plays a role in fixing the hardware clamp head 3.
In order to facilitate the connection between the hardware clamp head 3 and the yoke plate 4, the hardware clamp head 3 comprises an upper clamping piece and a lower clamping piece, and the length of the upper clamping piece is longer than that of the lower clamping piece. The upper clamping piece plays a guiding role above the yoke plate 4, so that the lower clamping piece is positioned below the yoke plate 4, and when the iron tower 5 is pulled forcefully, the fitting clamping head 3 hooks the yoke plate 4, and the connection with the yoke plate 4 is convenient and reliable.
In order to simplify the structure, the hardware clamp 3 is formed by bending a strip-shaped metal plate. Simple structure, reliable operation, and fitting chuck 3 structure as an organic whole, processing is convenient.
In order to improve the efficiency of the device, the insulating rod 2 is hinged with the fixing device 1 and the hardware clamp head 3. The bendable structure facilitates connection with the yoke plate 4. The insulating rod 2 rotates relative to the fixing device 1 and the hardware clamp 3, connection is facilitated, connection with the iron tower 5 and the yoke plate 4 is conveniently achieved, the selection range of the position is increased, and the assembly efficiency is high.
To improve hooking speed: an angle limiting part for limiting the rotation angle is arranged between the insulating rod 2 and the hardware clamp head 3 so as to prevent the hardware clamp head 3 from sagging, and the maximum rotation angle between the hardware clamp head 3 and the insulating rod 2 is smaller than or equal to 180 degrees. The hardware clamp 3 is convenient to be hooked on the yoke plate 4, and an operator can directly operate by a single person, so that the work is safe and reliable.
In order to adapt to hardware strings 6 with different lengths, the insulating rod 2 is formed by splicing a plurality of connecting rods in the length direction. The connecting rods can be detachably connected through threads.
In order to improve the safety of work, the total length of the insulating rod 2 and the hardware clamp 3 is greater than the length of the hardware string 6, and the insulating rod 2 is positioned above the hardware string 6. The hardware clamp fixing cavity of the hardware clamp 3 is parallel to the hardware clamp string 6, and friction force is increased.
The above-mentioned hardware string hand device for extra-high voltage direct current line shown in fig. 1-3 is a specific embodiment of the present invention, has already demonstrated the essential characteristics and improvements of the present invention, and can be modified in terms of shape, structure, etc. according to the actual use needs, under the teaching of the present invention, all of which are within the scope of protection of the present invention.
Claims (9)
1. An extra-high voltage direct current circuit fitting string hand device which is characterized in that: the device comprises two groups of hand mechanisms (8), wherein each hand mechanism (8) comprises a fixing device (1), an insulating rod (2) and a hardware clamp head (3), and the insulating rod (2) is arranged between the fixing device (1) and the hardware clamp head (3); the hardware clamp head (3) is provided with a containing cavity matched with the hardware serial connection plate (4) so as to be inserted into the connection plate (4), one end of the hand mechanism (8) is an iron tower fixed end provided with a fixing device (1), the other end of the hand mechanism (8) is a connection plate connecting end provided with the hardware clamp head (3), the fixing device (1) is fixed on the iron tower (5) through a connecting piece, and the two groups of hardware clamp heads (3) are detachably and symmetrically arranged on the connection plate (4);
an angle limiting part for limiting the rotation angle is arranged between the insulating rod (2) and the hardware clamp head (3) so as to prevent the hardware clamp head (3) from sagging, and the maximum rotation angle between the hardware clamp head (3) and the insulating rod (2) is smaller than or equal to 180 degrees; the fixing device (1) adopts concave channel steel.
2. The extra-high voltage direct current line hardware string handrail device according to claim 1, wherein: the fixing device (1) is provided with a fixing cavity of the iron tower in a shape of a section, an anti-slip foot pad is arranged in the wall of the fixing cavity of the iron tower, the connecting piece is a screwed nut, and the screwed nut is propped against the iron tower (5) to fix the fixing device (1) on the iron tower (5).
3. The extra-high voltage direct current line hardware string handrail device according to claim 2, wherein: the hardware clamp head (3) is provided with a [ -shaped hardware clamp head fixing cavity, and an elastic piece is arranged in the hardware clamp head fixing cavity.
4. The extra-high voltage direct current line hardware string handrail device according to claim 3, wherein: the elastic piece comprises an anti-slip pad and a metal spring gasket (7), wherein the anti-slip pad is positioned on the upper wall of the hardware clamp fixing cavity, the metal spring gasket (7) is positioned on the lower wall of the hardware clamp fixing cavity, and the metal spring gasket (7) compresses the hardware clamp (3) inserted into the hardware clamp fixing cavity.
5. The extra-high voltage direct current line hardware string handrail device according to claim 4, wherein: the hardware clamp head (3) comprises an upper clamping piece and a lower clamping piece, and the length of the upper clamping piece is longer than that of the lower clamping piece.
6. The extra-high voltage direct current line hardware string handrail device according to claim 5, wherein: the hardware clamp head (3) is formed by bending a strip-shaped metal plate.
7. The extra-high voltage direct current line hardware string handrail device according to any one of claims 1 to 6, wherein: the insulating rod (2) is hinged with the fixing device (1) and the hardware clamp head (3).
8. The extra-high voltage direct current line hardware string handrail device of claim 7, wherein: the insulating rod (2) is formed by splicing a plurality of connecting rods in the length direction.
9. The extra-high voltage direct current line hardware string handrail device of claim 7, wherein: the total length of the insulating rod (2) and the hardware clamp head (3) is greater than the length of the hardware string (6), and the insulating rod (2) is positioned above the hardware string (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810661211.8A CN108808553B (en) | 2018-06-25 | 2018-06-25 | Hardware string handrail device for extra-high voltage direct current circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810661211.8A CN108808553B (en) | 2018-06-25 | 2018-06-25 | Hardware string handrail device for extra-high voltage direct current circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108808553A CN108808553A (en) | 2018-11-13 |
| CN108808553B true CN108808553B (en) | 2024-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810661211.8A Active CN108808553B (en) | 2018-06-25 | 2018-06-25 | Hardware string handrail device for extra-high voltage direct current circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108808553B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742679B (en) * | 2018-12-21 | 2024-03-29 | 国网浙江省电力有限公司杭州供电公司 | Hardware string handrail device for ultra-high voltage transmission line |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005287145A (en) * | 2004-03-29 | 2005-10-13 | Chugoku Electric Power Co Inc:The | On-post working base installation stable seat |
| CN103812051A (en) * | 2012-11-11 | 2014-05-21 | 国家电网公司 | Electric power maintenance construction auxiliary tool |
| CN206962343U (en) * | 2017-04-12 | 2018-02-02 | 国网河南省电力公司周口供电公司 | A kind of electric equipment maintenance combination tool |
| CN208257272U (en) * | 2018-06-25 | 2018-12-18 | 国网浙江省电力有限公司检修分公司 | A kind of hand steered device of UHVDC Transmission Lines hardware string |
-
2018
- 2018-06-25 CN CN201810661211.8A patent/CN108808553B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005287145A (en) * | 2004-03-29 | 2005-10-13 | Chugoku Electric Power Co Inc:The | On-post working base installation stable seat |
| CN103812051A (en) * | 2012-11-11 | 2014-05-21 | 国家电网公司 | Electric power maintenance construction auxiliary tool |
| CN206962343U (en) * | 2017-04-12 | 2018-02-02 | 国网河南省电力公司周口供电公司 | A kind of electric equipment maintenance combination tool |
| CN208257272U (en) * | 2018-06-25 | 2018-12-18 | 国网浙江省电力有限公司检修分公司 | A kind of hand steered device of UHVDC Transmission Lines hardware string |
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| Publication number | Publication date |
|---|---|
| CN108808553A (en) | 2018-11-13 |
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