CN220290689U - Split crank arm of 66KV GIS isolation disconnecting link operating mechanism - Google Patents
Split crank arm of 66KV GIS isolation disconnecting link operating mechanism Download PDFInfo
- Publication number
- CN220290689U CN220290689U CN202321943402.6U CN202321943402U CN220290689U CN 220290689 U CN220290689 U CN 220290689U CN 202321943402 U CN202321943402 U CN 202321943402U CN 220290689 U CN220290689 U CN 220290689U
- Authority
- CN
- China
- Prior art keywords
- crank arm
- hole
- main shaft
- main body
- operating mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002955 isolation Methods 0.000 title claims abstract description 10
- 229910000997 High-speed steel Inorganic materials 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model relates to a split crank arm of a 66KVGIS isolation switch operating mechanism, which comprises a crank arm main body, wherein a head double-layer structure of the crank arm main body is provided with a guide rod connecting through hole and an angle positioning through hole, and the split crank arm also comprises a crank arm assembly, wherein the crank arm and the crank arm assembly are combined to form a main shaft carrying through hole with the same shape as a main shaft, the crank arm main body and the crank arm assembly are made of high-speed steel, a screw hole is arranged on the connecting surface of the crank arm main body and the tail part of the crank arm assembly, a main shaft positioning through hole with the same diameter and the corresponding position as a positioning hole on the side wall of the main shaft is arranged on a rear arm of the main shaft carrying through hole, and the positioning hole on the side wall of the main shaft is fixed with the main shaft positioning through an elastic cotter pin; the crank arm assembly is provided with a screw through hole corresponding to the screw hole at the tail part of the crank arm; the utility model solves the problem that the crank arm of the 66KVGIS isolating switch operating mechanism cannot be freely detached, shortens the overhaul time of GIS equipment, prevents the misoperation of the main shaft in overhaul assembly, and fundamentally prevents dangerous sources.
Description
Technical Field
The utility model relates to the technical field of high-voltage equipment, in particular to a split crank arm of a 66KVGIS isolation switch operating mechanism.
Background
At present, a bolt is used for penetrating and fastening connection between a crank arm of an isolating knife switch operating mechanism of GIS equipment and a main shaft of an air chamber, in recent years, an accident that the aluminum crank arm is broken is caused successively, a guide rod cannot transmit a stroke A, B, C after breakage, three phases are not synchronous, the three phases are not completely disconnected when the isolating knife switch is pulled open, the three phases cannot be simultaneously closed or phase-lack when the isolating knife switch is closed, a serious accident is caused, when the isolating knife switch aluminum crank arm is replaced, a B phase crank arm cannot withdraw from the main shaft of the air chamber due to the limitation of the space position shielded by an operating mechanism box, the aluminum crank arm can only be removed by completely disassembling the whole mechanism box, the three-phase stroke is changed due to artificial misoperation of the main shaft in the disassembling and assembling processes, and when the isolating knife switch is operated, the movable and static contacts in the air chamber are not contacted or over-stroke is caused, and the contacts are heated or the main shaft is twisted, so that umbrella teeth of the mechanism box are damaged.
The Chinese patent with publication number CN 105162024B discloses a GIS isolating switch mechanism error prevention device, wherein a first mechanism lock and a second mechanism lock are respectively arranged on the output hexagonal shaft end of the isolating switch mechanism box and the shaft head end of the isolating switch rotating shaft; the first mechanism lock composition structure is: the fixed end of the fixed rod is clamped or fixed on the GIS body shell, the other end of the fixed rod is connected with one end of a swingable rod through a connecting piece, a threaded hole is formed in the side face of the other end of the swingable rod, and the other end of the swingable rod is connected with a clamping plate through a through hole through the connecting piece; for the disconnecting link at the maintenance interval, other disconnecting links are prevented from being closed by mistake in the maintenance process, mechanical misoperation prevention measures can be added besides electrical misoperation prevention measures, so that misoperation prevention of equipment is more reliable, the reliability of power grid operation is improved, and the problem that the space position is limited still exists when the isolating disconnecting link crank arm is replaced.
Disclosure of Invention
The utility model provides a split type crank arm of a 66KVGIS isolation knife switch operating mechanism, which is characterized in that a crank arm main body and a crank arm component form a detachable split type crank arm which is not shielded by an operating mechanism box and is not limited by space positions, so that the problem that the crank arm of the 66KVGIS isolation knife switch operating mechanism cannot be freely detached is solved, the overhaul time of GIS equipment is shortened, the replacement time of spare parts is shortened by 90%, the recovery power transmission time is improved, a main shaft positioning through hole is used as a confirmation hole for comparing the angles of a main shaft and the split type crank arm, the split type crank arm is fixed, the main shaft misoperation in overhaul and assembly is prevented, and a dangerous source is fundamentally prevented.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
the split crank arm of the 66KVGIS isolation disconnecting link operating mechanism comprises a crank arm main body, wherein the head part of the crank arm main body is of a double-layer structure, and the front end of the double-layer structure is respectively provided with a guide rod connecting through hole and an angle positioning through hole; the crank arm assembly is provided with a screw through hole corresponding to the screw hole at the tail part of the crank arm.
Further, the length of the crank arm main body is 110-120 mm, and the thickness is 25-30 mm.
Further, the head of the crank arm main body is arc-shaped.
Further, the diameter of the main shaft positioning through hole is phi 6-phi 8mm.
Furthermore, the shortest distance between the side surface of the spindle carry through hole and the outer wall of the crank arm main body is 8-12 mm.
Compared with the prior art, the utility model has the beneficial effects that:
1) The detachable split crank arm which is not blocked by the operating mechanism box and is not limited by the space position is formed by the crank arm main body and the crank arm component, so that the problem that the split crank arm of the 66KVGIS isolating knife switch operating mechanism cannot be freely detached is solved, the overhaul time of GIS equipment is shortened, the replacement spare part time is shortened by 90%, and the recovery power transmission time is improved;
2) The main shaft positioning through hole is used as a confirmation hole for comparing the angles of the main shaft and the split crank arms, and simultaneously plays a role in fixing the split crank arms, so that misoperation of the main shaft in maintenance and assembly is prevented, and a dangerous source is fundamentally prevented;
3) Simple structure and strong applicability.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure: 1. the crank arm main body 2, the crank arm assembly 3, the screw through hole 4, the main shaft positioning through hole 5, the main shaft carrying through hole 6, the angle positioning through hole 7, the guide rod connecting through hole
Detailed Description
The following is a further description of embodiments of the utility model, taken in conjunction with the accompanying drawings:
referring to fig. 1, the split type crank arm of the 66 kvcis isolation switch operating mechanism comprises a crank arm main body 1, wherein the head part of the crank arm main body 1 is of a double-layer structure, the front end of the double-layer structure is respectively provided with a guide rod connecting through hole 7 and an angle positioning through hole 6, the crank arm main body 1 is made of high-speed steel, the length of the crank arm main body 1 is 116mm, the thickness of the crank arm main body is 25mm, the head part of the crank arm main body 1 is arc-shaped, the split type crank arm operating mechanism further comprises a crank arm assembly 2, the crank arm assembly 2 is made of high-speed steel, the crank arm main body 1 and the crank arm assembly 2 are combined to form a main shaft carry through hole 5 with the same shape as a main shaft, the shortest distance between the side surface of the main shaft carry through hole 5 and the outer wall of the crank arm main body 1 is 10mm, the connecting surface of the crank arm main body 1 and the crank arm assembly 2 is provided with a screw hole, the main shaft carry through hole 5, the guide rod connecting through hole 7 and the angle positioning through hole 6 are arranged on the axis position of the crank arm, the main shaft carry through hole 4 is arranged on the side wall of the shortest distance between the main shaft carry through hole 5 and the outer wall of the main shaft side wall of the main shaft 1 is provided with a main shaft positioning through hole 4 corresponding to the main shaft positioning hole position, the main shaft positioning through hole 4, the diameter is the diameter of the main shaft positioning through hole 6 is 10mm, and the diameter is equal to the diameter of the main shaft positioning hole 6mm and the side positioning hole is fixed to the side positioning hole diameter on the side wall 4 mm and is; the crank arm assembly 2 is provided with a screw through hole 3 corresponding to the screw hole at the tail part of the crank arm.
The working principle of the utility model is that the joint bearing is arranged at the head of a guide rod of the 66KVGIS isolating knife switch operating mechanism, the angle position of the joint bearing after being installed is marked on the guide rod, a shaft pin is inserted into a through hole of the joint bearing and a guide rod connecting through hole 7 of the crank arm main body 1 to screw and lock a lock catch, a main shaft is inserted into a main shaft carry through hole 5, an elastic cotter pin is inserted into a positioning hole on the side wall of the main shaft and a main shaft positioning through hole 4 to prevent the main shaft from rotating by mistake, a screw is inserted into a screw hole of the crank arm main body 1 and a screw through hole 3 of the crank arm assembly 2, the crank arm main body 1 and the crank arm assembly 2 are fixedly combined into a complete crank arm, and the positioning mark of the air chamber main body is seen through the angle positioning through hole 6 to realize the correct positioning of the main shaft.
When the crank arm is required to be disassembled, the lock catch in the connecting through hole 7 of the joint bearing at the head part of the guide rod and the guide rod of the crank arm main body 1 is loosened, the shaft pin is pulled out, the joint bearing of the guide rod and the crank arm main body 1 are separated, the screw in the screw through hole 3 of the screw hole of the crank arm main body 1 and the screw hole 3 of the crank arm assembly 2 are disassembled, the crank arm assembly 2 is moved out along the vertical direction of the main shaft, the elastic cotter pin on the main shaft positioning through hole 4 of the crank arm is pulled out, and the crank arm split body is moved out along the vertical direction of the main shaft.
The above examples are implemented on the premise of the technical scheme of the present utility model, and detailed implementation manners and specific operation processes are given, but the protection scope of the present utility model is not limited to the above examples. The methods used in the above examples are conventional methods unless otherwise specified.
Claims (5)
1. The split crank arm of the 66KV GIS isolation disconnecting link operating mechanism comprises a crank arm main body, wherein the head part of the crank arm main body is of a double-layer structure, and the front end of the double-layer structure is respectively provided with a guide rod connecting through hole and an angle positioning through hole; the crank arm assembly is provided with a screw through hole corresponding to the screw hole at the tail part of the crank arm.
2. The split crank arm of the 66KV GIS isolating knife switch operating mechanism according to claim 1, wherein the length of the crank arm main body is 110-120 mm, and the thickness of the crank arm main body is 25-30 mm.
3. The split lever of the 66 kgis isolation switch operating mechanism of claim 1, wherein the head of the lever body is circular arc.
4. The split crank arm of the 66KV GIS isolating knife switch operating mechanism according to claim 1, wherein the diameter of the main shaft positioning through hole is phi 6-phi 8mm.
5. The split crank arm of the 66KV GIS isolating knife switch operating mechanism, which is disclosed by claim 1, is characterized in that the shortest distance between the side surface of the main shaft carry through hole and the outer wall of the crank arm main body is 8-12 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321943402.6U CN220290689U (en) | 2023-07-21 | 2023-07-21 | Split crank arm of 66KV GIS isolation disconnecting link operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321943402.6U CN220290689U (en) | 2023-07-21 | 2023-07-21 | Split crank arm of 66KV GIS isolation disconnecting link operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220290689U true CN220290689U (en) | 2024-01-02 |
Family
ID=89336488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321943402.6U Active CN220290689U (en) | 2023-07-21 | 2023-07-21 | Split crank arm of 66KV GIS isolation disconnecting link operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220290689U (en) |
-
2023
- 2023-07-21 CN CN202321943402.6U patent/CN220290689U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220290689U (en) | Split crank arm of 66KV GIS isolation disconnecting link operating mechanism | |
| CN209175778U (en) | A kind of mechanical arm having maintenance door | |
| CA2823137C (en) | Maintenance tool used for double insulator strings of direct current transmission line | |
| CN103050327B (en) | Vacuum circuit-breaker and middle pressure gas-filling cabinet | |
| CN209936804U (en) | 10kV centrally installed switchgear circuit breaker energy storage spring dismounting tool | |
| CN211743860U (en) | Cubical switchboard insulation measurement is with interim unblock instrument | |
| CN210535569U (en) | Isolating switch with decoupling function | |
| CN211238073U (en) | Direct-acting three-station disconnecting switch contact positioning device | |
| CN111342378B (en) | Temporary unlocking tool and method for switch cabinet insulation measurement | |
| CN201478734U (en) | Insulator chain splitting and taking off tool | |
| CN114374174A (en) | Spacer mounting tool and operation method thereof | |
| CN207926062U (en) | Card fixture under one kind ± 400kV transmission line of electricity I type strings | |
| CN210436084U (en) | Tool for quickly replacing compression spring of insulating pull rod of pole-mounted switch | |
| CN201075578Y (en) | Winding attack prevention precursor lightning rod of overhead transmission line | |
| CN216213098U (en) | Auxiliary switch interlocking protection device of new energy high-voltage vacuum circuit breaker integrated combined electrical apparatus | |
| CN214412008U (en) | Expander for live processing of GW20 type isolation switch fault | |
| CN215342476U (en) | Manual switching-off mechanism of permanent magnet circuit breaker | |
| CN219534339U (en) | Isolation switch | |
| CN216502309U (en) | Casting riser remover | |
| CN221529829U (en) | Circuit breaker convenient to install | |
| CN220099819U (en) | Manual rail clamping device | |
| CN219696327U (en) | Closing and opening half shaft of vacuum circuit breaker | |
| CN221783751U (en) | Insulating operating rod installed on electric pole cross arm | |
| CN113659446B (en) | Double-bus high-voltage switch cabinet and assembly mode | |
| CN102738719B (en) | Maintenance device for vacuum circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |