CN216054072U - Special sleeve for electrified fastening double-cap bolt of insulator grading ring of direct-current transmission line - Google Patents
Special sleeve for electrified fastening double-cap bolt of insulator grading ring of direct-current transmission line Download PDFInfo
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- CN216054072U CN216054072U CN202121851777.0U CN202121851777U CN216054072U CN 216054072 U CN216054072 U CN 216054072U CN 202121851777 U CN202121851777 U CN 202121851777U CN 216054072 U CN216054072 U CN 216054072U
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- hexagonal prism
- transmission line
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Abstract
The utility model discloses a special sleeve for a double-cap bolt for electrified fastening of a DC transmission line insulator grading ring, which comprises a matching pipe and a fixing pipe, wherein one end of the fixing pipe is connected with one end of the matching pipe, and a two-stage switching and dismounting device is arranged inside the matching pipe.
Description
Technical Field
The utility model relates to a special sleeve, in particular to a special sleeve for a live-line fastening double-cap bolt of an insulator grading ring of a direct-current transmission line.
Background
With the rapid development of the Shandong power grid, direct current transmission is a new technology which is rapidly developed in recent years in a power system. The direct current transmission overcomes the loss of the inductor and is mainly used for long-distance large-capacity transmission. Along with the accumulation of team operation and maintenance experience, it is found that fixing bolts of a grading ring on a direct current transmission line insulator often loosen, bolt connection points are important components for connection of power equipment, the loosening of the bolts seriously influences the safe operation of a system, and in addition, the influence of an external environment can cause the fracture of a grading ring fixing frame and cause great potential safety hazards of the equipment. The existing lower equalizing ring fastening tool can fasten the inner nut only after the outer nut is detached when the double-cap bolt is fastened, the operation is complex, high-altitude falling accidents are very easy to happen, the influence of power failure maintenance caused by bolt looseness is reduced, the uninterrupted operation of power equipment is guaranteed, the safety of operating personnel is guaranteed, and a special sleeve for the electrified fastening double-cap bolt of the DC transmission line insulator equalizing ring is urgently needed to be developed.
Disclosure of Invention
The utility model aims to provide a special sleeve for a live-line fastening double-cap bolt of an insulator grading ring of a direct-current transmission line, which can realize simultaneous screwing of two nuts, only screwing of an inner nut without dismounting of an outer nut and only screwing of the outer nut without affecting the inner nut by utilizing position switching of a first hexagonal prism and a second hexagonal prism in a hexagonal hole.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
direct current transmission line insulator equalizer ring takes electricity fastening double cap bolt special sleeve, including cooperation pipe and fixed pipe, the one end of fixed pipe is connected with the one end of cooperation pipe, and the internally mounted second grade of cooperation pipe switches dismounting device, second grade switches dismounting device includes first hexagonal prism and second hexagonal prism, and interior hexagonal hole is all seted up with the middle part of second hexagonal prism in first hexagonal prism, and hexagonal hole is seted up at the middle part of cooperation pipe, and the side week of second hexagonal prism and the inner wall laminating in hexagonal hole, and second hexagonal prism and first hexagonal prism can slide in the inside in hexagonal hole, the side-mounting rope stand pipe of cooperation pipe, rope stand pipe pass the lateral wall of cooperation pipe, the inside stay cord of pegging graft of rope stand pipe, the one end and the second hexagonal prism of stay cord are connected.
In order to further realize the aim of the utility model, the following technical scheme can be adopted, wherein two positioning devices are arranged on the side part of the matching pipe and comprise a bolt, a bolt through hole is formed in the side part of the matching pipe, a bolt is inserted into the bolt through hole, an inclined plane is formed at one end of the bolt, the other end of the bolt is connected with a pull ring, a tension spring is sleeved on the bolt, one end of the tension spring is connected with the bolt, and the other end of the tension spring is connected with the matching pipe.
The lateral part of the matching pipe is provided with a key groove, one side of the plug pin is connected with a key, and the key can slide in the key groove.
The central axis of the first hexagonal prism and the central axis of the second hexagonal prism are collinear with the central axis of the inner hexagonal hole.
The hexagonal holes are of hexagonal hole structures, and the central axis of the first hexagonal prism and the central axis of the second hexagonal prism are collinear with the central axis of the hexagonal holes.
Two ends of the hexagonal hole are respectively connected with a fixing ring, and the side circumference of the fixing ring is matched with the side circumference of the inner wall of the hexagonal hole.
The utility model has the advantages that: according to the utility model, the positions of the first hexagonal prism and the second hexagonal prism in the hexagonal hole can be switched, so that two nuts can be simultaneously screwed, only the inner nut can be screwed without dismounting the outer nut, and only the outer nut can be screwed without influencing the inner nut. When two nuts need to be screwed simultaneously, the first hexagonal prism and the second hexagonal prism can be adjusted to the state of the drawing, and at the moment, the inner hexagonal hole of the first hexagonal prism and the inner hexagonal hole of the second hexagonal prism can be respectively matched with the two nuts arranged side by side, so that the two nuts arranged side by side can be rotated simultaneously. When the inner nut needs to be adjusted and the outer nut is not adjusted, the first hexagonal prism and the second hexagonal prism are adjusted to the state of the drawing, and the inner hexagonal hole of the first hexagonal prism can penetrate through the outer nut and be matched with the inner nut, so that the inner nut can be adjusted by a user without affecting the outer nut. When the outside nut need be adjusted and the inboard nut need not be adjusted, the state of picture is adjusted to first hexagonal prism and second hexagonal prism, and the interior hexagonal hole of first hexagonal prism this moment can cooperate with the outside nut, and the space of inboard nut is reserved in the hexagonal hole to can make things convenient for operating personnel to only adjust the outside nut and not influence inboard nut.
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 specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention;
FIG. 3 is a third schematic structural diagram of the present invention;
FIG. 4 is a fourth schematic structural diagram of the present invention;
FIG. 5 is a fifth schematic view of the present invention;
fig. 6 is an enlarged view of the structure in the direction a of fig. 3.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.
Example 1:
a sleeve special for a live-line fastening double-cap bolt of an insulator grading ring of a direct-current transmission line comprises a matching pipe 19 and a fixed pipe 16, as shown in figures 1-6, one end of the fixed pipe 16 is connected with one end of the matching pipe 19, a secondary switching dismounting device is arranged inside the matching pipe 19, the two-stage switching and dismounting device comprises a first hexagonal prism 10 and a second hexagonal prism 11, inner hexagonal holes 20 are respectively formed in the middle parts of the first hexagonal prism 10 and the second hexagonal prism 11, a hexagonal hole 9 is formed in the middle part of a matching pipe 19, the side periphery of the second hexagonal prism 11 is attached to the side periphery of the second hexagonal prism 11 and the inner wall of the hexagonal hole 9, the second hexagonal prism 11 and the first hexagonal prism 10 can slide in the hexagonal hole 9, a rope guide pipe 18 is arranged on one side of the matching pipe 19, the rope guide pipe 18 penetrates through the side wall of the matching pipe 19, a pull rope 17 is inserted into the rope guide pipe 18, and one end of the pull rope 17 is connected with the second hexagonal prism 11.
According to the utility model, the positions of the first hexagonal prism 10 and the second hexagonal prism 11 in the hexagonal hole 9 can be switched, so that two nuts can be simultaneously screwed, only the inner nut can be screwed without dismounting the outer nut, and only the outer nut can be screwed without influencing the inner nut. When two nuts need to be screwed simultaneously, the first hexagonal prism 10 and the second hexagonal prism 11 can be adjusted to the state shown in fig. 2, and at the time, the inner hexagonal hole of the first hexagonal prism 10 and the inner hexagonal hole of the second hexagonal prism 11 can be respectively matched with the two nuts arranged side by side, so that the two nuts arranged side by side can be simultaneously rotated. When the inner nut needs to be adjusted and the outer nut is not adjusted, the first hexagonal prism 10 and the second hexagonal prism 11 are adjusted to the state shown in fig. 1, and at the moment, the inner hexagonal hole of the first hexagonal prism 10 can penetrate through the outer nut and be matched with the inner nut, so that the inner nut can be adjusted by a user without affecting the outer nut. When the outside nut need be adjusted and the inside nut need not be adjusted, the state of figure 4 is adjusted to first hexagonal prism 10 and second hexagonal prism 11, and the interior hexagonal hole of first hexagonal prism 10 can cooperate with the outside nut this moment, and the space of inboard nut is reserved in hexagonal hole 9 to can make things convenient for operating personnel to only adjust the outside nut and not influence the inboard nut.
Material selection and feasibility analysis of specific implementation of application range: the practical manufactured sample is implemented by taking the specification attached drawing as a drawing according to the proportion and the matching mode of each part in the specification attached drawing, the connection is a common connection mode such as a connection of a strong adhesive, a welding, riveting and a flange connection and an integral forming type connection, and the thickness and the strength of a corresponding connection mode connection point can be selected without creativity according to the requirement of practical connection strength during practical manufacturing. One end of the fixed tube 16 may be connected to an adjustment end of a two-way ratchet wrench to facilitate rotation of the fixed tube 16.
Example 2:
a sleeve special for a live-line fastening double-cap bolt of an insulator grading ring of a direct-current transmission line comprises a matching pipe 19 and a fixed pipe 16, as shown in figures 1-6, one end of the fixed pipe 16 is connected with one end of the matching pipe 19, a secondary switching dismounting device is arranged inside the matching pipe 19, the two-stage switching and dismounting device comprises a first hexagonal prism 10 and a second hexagonal prism 11, inner hexagonal holes 20 are respectively formed in the middle parts of the first hexagonal prism 10 and the second hexagonal prism 11, a hexagonal hole 9 is formed in the middle part of a matching pipe 19, the side periphery of the second hexagonal prism 11 is attached to the side periphery of the second hexagonal prism 11 and the inner wall of the hexagonal hole 9, the second hexagonal prism 11 and the first hexagonal prism 10 can slide in the hexagonal hole 9, a rope guide pipe 18 is arranged on one side of the matching pipe 19, the rope guide pipe 18 penetrates through the side wall of the matching pipe 19, a pull rope 17 is inserted into the rope guide pipe 18, and one end of the pull rope 17 is connected with the second hexagonal prism 11. Two positioner of cooperation pipe 19's lateral part installation, positioner includes bolt 3, and bolt thru hole 15 is seted up to cooperation pipe 19's lateral part, and bolt thru hole 15's inside grafting bolt 3, inclined plane 7 is seted up to the one end of bolt 3, and pull ring 1 is connected to the other end of bolt 3, and the cover has extension spring 4 on the bolt 3, and the one end and the bolt 3 of extension spring 4 are connected, and the other end and the cooperation of extension spring 4 are managed 19 and are connected.
The two positioning devices of the present invention can position the first hexagonal prism 10 and the second hexagonal prism 11 after the first hexagonal prism 10 and the second hexagonal prism 11 are adjusted to the proper positions, thereby preventing the first hexagonal prism 10 and the second hexagonal prism 11 from freely sliding. When the positions of the first hexagonal prism 10 and the second hexagonal prism 11 need to be adjusted, the pull ring 1 can be pulled upwards, so that the positions of the first hexagonal prism 10 and the second hexagonal prism 11 can be freely adjusted.
Example 2:
a sleeve special for a live-line fastening double-cap bolt of an insulator grading ring of a direct-current transmission line comprises a matching pipe 19 and a fixed pipe 16, as shown in figures 1-6, one end of the fixed pipe 16 is connected with one end of the matching pipe 19, a secondary switching dismounting device is arranged inside the matching pipe 19, the two-stage switching and dismounting device comprises a first hexagonal prism 10 and a second hexagonal prism 11, inner hexagonal holes 20 are respectively formed in the middle parts of the first hexagonal prism 10 and the second hexagonal prism 11, a hexagonal hole 9 is formed in the middle part of a matching pipe 19, the side periphery of the second hexagonal prism 11 is attached to the side periphery of the second hexagonal prism 11 and the inner wall of the hexagonal hole 9, the second hexagonal prism 11 and the first hexagonal prism 10 can slide in the hexagonal hole 9, a rope guide pipe 18 is arranged on one side of the matching pipe 19, the rope guide pipe 18 penetrates through the side wall of the matching pipe 19, a pull rope 17 is inserted into the rope guide pipe 18, and one end of the pull rope 17 is connected with the second hexagonal prism 11. The side of the matching tube 19 is provided with a key slot 5, one side of the bolt 3 is connected with a key 6, and the key 6 can slide in the key slot 5.
The key 6 of the utility model is matched with the key slot 5, thereby not only guiding the sliding of the bolt 3, but also avoiding the bolt 3 from being separated from the bolt through hole 15.
Example 3:
a sleeve special for a live-line fastening double-cap bolt of an insulator grading ring of a direct-current transmission line comprises a matching pipe 19 and a fixed pipe 16, as shown in figures 1-6, one end of the fixed pipe 16 is connected with one end of the matching pipe 19, a secondary switching dismounting device is arranged inside the matching pipe 19, the two-stage switching and dismounting device comprises a first hexagonal prism 10 and a second hexagonal prism 11, inner hexagonal holes 20 are respectively formed in the middle parts of the first hexagonal prism 10 and the second hexagonal prism 11, a hexagonal hole 9 is formed in the middle part of a matching pipe 19, the side periphery of the second hexagonal prism 11 is attached to the side periphery of the second hexagonal prism 11 and the inner wall of the hexagonal hole 9, the second hexagonal prism 11 and the first hexagonal prism 10 can slide in the hexagonal hole 9, a rope guide pipe 18 is arranged on one side of the matching pipe 19, the rope guide pipe 18 penetrates through the side wall of the matching pipe 19, a pull rope 17 is inserted into the rope guide pipe 18, and one end of the pull rope 17 is connected with the second hexagonal prism 11. The central axis of the first hexagonal prism 10 and the central axis of the second hexagonal prism 11 are collinear with the central axis of the inner hexagonal hole 20.
The central axis of the first hexagonal prism 10 and the central axis of the second hexagonal prism 11 of the present invention are collinear with the central axis of the inner hexagonal hole 20, which facilitates the first hexagonal prism 10 and the second hexagonal prism 11 to be matched with a nut.
Example 4:
a sleeve special for a live-line fastening double-cap bolt of an insulator grading ring of a direct-current transmission line comprises a matching pipe 19 and a fixed pipe 16, as shown in figures 1-6, one end of the fixed pipe 16 is connected with one end of the matching pipe 19, a secondary switching dismounting device is arranged inside the matching pipe 19, the two-stage switching and dismounting device comprises a first hexagonal prism 10 and a second hexagonal prism 11, inner hexagonal holes 20 are respectively formed in the middle parts of the first hexagonal prism 10 and the second hexagonal prism 11, a hexagonal hole 9 is formed in the middle part of a matching pipe 19, the side periphery of the second hexagonal prism 11 is attached to the side periphery of the second hexagonal prism 11 and the inner wall of the hexagonal hole 9, the second hexagonal prism 11 and the first hexagonal prism 10 can slide in the hexagonal hole 9, a rope guide pipe 18 is arranged on one side of the matching pipe 19, the rope guide pipe 18 penetrates through the side wall of the matching pipe 19, a pull rope 17 is inserted into the rope guide pipe 18, and one end of the pull rope 17 is connected with the second hexagonal prism 11. The hexagonal hole 9 is in a hexagonal hole structure, and the central axis of the first hexagonal prism 10 and the central axis of the second hexagonal prism 11 are collinear with the central axis of the hexagonal hole 9.
The central axis of the first hexagonal prism 10 and the central axis of the second hexagonal prism 11 are collinear with the central axis of the hexagonal hole 9, so that the first hexagonal prism 10 and the second hexagonal prism 11 can be conveniently matched with a nut.
Example 5:
a sleeve special for a live-line fastening double-cap bolt of an insulator grading ring of a direct-current transmission line comprises a matching pipe 19 and a fixed pipe 16, as shown in figures 1-6, one end of the fixed pipe 16 is connected with one end of the matching pipe 19, a secondary switching dismounting device is arranged inside the matching pipe 19, the two-stage switching and dismounting device comprises a first hexagonal prism 10 and a second hexagonal prism 11, inner hexagonal holes 20 are respectively formed in the middle parts of the first hexagonal prism 10 and the second hexagonal prism 11, a hexagonal hole 9 is formed in the middle part of a matching pipe 19, the side periphery of the second hexagonal prism 11 is attached to the side periphery of the second hexagonal prism 11 and the inner wall of the hexagonal hole 9, the second hexagonal prism 11 and the first hexagonal prism 10 can slide in the hexagonal hole 9, a rope guide pipe 18 is arranged on one side of the matching pipe 19, the rope guide pipe 18 penetrates through the side wall of the matching pipe 19, a pull rope 17 is inserted into the rope guide pipe 18, and one end of the pull rope 17 is connected with the second hexagonal prism 11. Two ends of the hexagonal hole 9 are respectively connected with a fixing ring 8, and the side circumference of the fixing ring 8 is matched with the side circumference of the inner wall of the hexagonal hole 9.
The fixing ring 8 of the present invention is advantageous in preventing the first hexagonal prism 10 and the second hexagonal prism 11 from being separated from the hexagonal hole 9.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention.
Claims (6)
1. DC transmission line insulator equalizer ring is electrified fastens special sleeve of two cap bolts, its characterized in that: the rope guide device comprises a matching pipe (19) and a fixing pipe (16), one end of the fixing pipe (16) is connected with one end of the matching pipe (19), an inner hexagonal hole (20) is formed in the middle of each of a first hexagonal prism (10) and a second hexagonal prism (11), hexagonal holes (20) are formed in the middle of each of the first hexagonal prism (10) and the second hexagonal prism (11), hexagonal holes (9) are formed in the middle of the matching pipe (19), the side periphery of each of the second hexagonal prisms (11) and the side periphery of each of the second hexagonal prisms (11) are attached to the inner wall of each of the hexagonal holes (9), the second hexagonal prisms (11) and the first hexagonal prisms (10) can slide in the hexagonal holes (9), a rope guide pipe (18) is installed on one side of the matching pipe (19), the rope guide pipe (18) penetrates through the side wall of the matching pipe (19), and a pull rope (17) is inserted in the rope guide pipe (18), one end of the pull rope (17) is connected with the second hexagonal prism (11).
2. The special sleeve for the live fastening double-cap bolt of the DC transmission line insulator grading ring according to claim 1, characterized in that: two positioner of lateral part installation of cooperation pipe (19), positioner includes bolt (3), and bolt thru hole (15) are seted up to the lateral part of cooperation pipe (19), inside grafting bolt (3) of bolt thru hole (15), and inclined plane (7) are seted up to the one end of bolt (3), and pull ring (1) is connected to the other end of bolt (3), and the cover has extension spring (4) on bolt (3), and the one end and the bolt (3) of extension spring (4) are connected, and the other end and the cooperation pipe (19) of extension spring (4) are connected.
3. The direct current transmission line insulator grading ring electrified fastening double-cap bolt special sleeve according to claim 2, characterized in that: the lateral part of the matching pipe (19) is provided with a key groove (5), one side of the bolt (3) is connected with a key (6), and the key (6) can slide in the key groove (5).
4. The special sleeve for the live fastening double-cap bolt of the DC transmission line insulator grading ring according to claim 1, characterized in that: the central axis of the first hexagonal prism (10) and the central axis of the second hexagonal prism (11) are collinear with the central axis of the inner hexagonal hole (20).
5. The special sleeve for the live fastening double-cap bolt of the DC transmission line insulator grading ring according to claim 1, characterized in that: the hexagonal holes (9) are of hexagonal hole structures, and the central axis of the first hexagonal prism (10) and the central axis of the second hexagonal prism (11) are collinear with the central axis of the hexagonal holes (9).
6. The special sleeve for the live fastening double-cap bolt of the DC transmission line insulator grading ring according to claim 1, characterized in that: two ends of the hexagonal holes (9) are respectively connected with a fixing ring (8), and the side circumference of the fixing ring (8) is matched with the side circumference of the inner wall of the hexagonal hole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121851777.0U CN216054072U (en) | 2021-08-09 | 2021-08-09 | Special sleeve for electrified fastening double-cap bolt of insulator grading ring of direct-current transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121851777.0U CN216054072U (en) | 2021-08-09 | 2021-08-09 | Special sleeve for electrified fastening double-cap bolt of insulator grading ring of direct-current transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216054072U true CN216054072U (en) | 2022-03-15 |
Family
ID=80557754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121851777.0U Expired - Fee Related CN216054072U (en) | 2021-08-09 | 2021-08-09 | Special sleeve for electrified fastening double-cap bolt of insulator grading ring of direct-current transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216054072U (en) |
-
2021
- 2021-08-09 CN CN202121851777.0U patent/CN216054072U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220315 |
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| CF01 | Termination of patent right due to non-payment of annual fee |