CN201430104Y - Circuit breaker insulating pull rod - Google Patents
Circuit breaker insulating pull rod Download PDFInfo
- Publication number
- CN201430104Y CN201430104Y CN2009203061073U CN200920306107U CN201430104Y CN 201430104 Y CN201430104 Y CN 201430104Y CN 2009203061073 U CN2009203061073 U CN 2009203061073U CN 200920306107 U CN200920306107 U CN 200920306107U CN 201430104 Y CN201430104 Y CN 201430104Y
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- rod
- connecting rod
- insulating pull
- spring pedestal
- pull rod
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Abstract
The utility model belongs to the technical field of electric devices and relates to a circuit breaker insulating pull rod. The utility model resolves the problem that the connecting rods in the existing circuit breaker insulating pull rod can rotatably slide when assembled with vacuum extinction chambers. The circuit breaker insulating pull rod comprises a connecting rod, a disc spring, a spring base and a rod body, wherein a connecting screw rod is fixed on the lower end of the rod body, the spring base with tubular shape is fixedly connected with the upper end of the rod body, an external screw nut is fixedly connected on the upper end of the spring base, the connecting rod penetrates through the spring base, and the upper end of the connecting rod passes through the external screw nutand extends out of the spring base, the disc spring is arranged in the spring base and sleeved on the connecting rod, two ends of the disc spring respectively act on the spring base and the connectingrod, and a circumferential positioning structure is arranged between the spring base and the connecting rod. By using the circuit breaker insulating pull rod, the problems that the connecting rods inthe insulating pull rods can rotatably side when assembled, the outside partial discharge of the insulating pull rods is higher, the corona exists and the like can be effectively resolved, meanwhile,the insulating property, withstand voltage and mechanical intensity of the insulating pull rod are enhanced.
Description
Technical field
The utility model belongs to the electric device technical field, relates to circuit breaker, especially relates to a kind of insulating pull rod for breaker.
Background technology
In electrical power distribution system, circuit breaker is to form in the distribution system a very important components.Insulated tension pole is a requisite accessory on the circuit breaker, and the performance of insulated tension pole will directly influence the security reliability etc. of withstand voltage properties, insulation property, break performance and the operation of circuit breaker.After using insulated tension pole, breaker operator will be very easy, and insulated tension pole in use needs insulated tension pole is assembled together with vacuum interrupter.
Existing insulated tension pole mainly is made up of spring pedestal, connecting rod, outer nut, dish spring, adopts circular hole and cylinder to cooperate between spring pedestal and the connecting rod.In insulated tension pole and vacuum interrupter assembling process, when tightening the rotation of the connecting rod on the insulated tension pole on the moving conductive rod that is assembled to vacuum interrupter, connecting rod on the insulated tension pole sliding phenomenon that can rotate, make assembling can not be easily and fast, carry out efficiently, in the practical set process, card spanner etc. is auxiliary in can using effectively solves the sliding phenomenon of connecting rod in assembling, but has problem such as time-consuming effort, greatly reduces operating efficiency.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, a kind of rotation sliding phenomenon of connecting rod in assembling process that need not any specific frock just can effectively solve insulated tension pole proposed, the insulating pull rod for breaker that makes insulated tension pole can be easily and fast, be assembled together with vacuum interrupter efficiently.
The purpose of this utility model can realize by following technical proposal: a kind of insulating pull rod for breaker, comprise connecting rod, the dish spring, the spring pedestal and the body of rod, described body of rod lower end is installed with connecting screw rod, described spring pedestal is tubular and fixedlys connected with body of rod upper end, upper end at spring pedestal is fixed with outer nut, above-mentioned connecting rod is arranged in spring pedestal, and its upper end is passed outer nut and is extended to outside the spring pedestal, described dish spring is located in the spring pedestal and is enclosed within on the connecting rod, the two ends of dish spring act on respectively on spring pedestal and the connecting rod, it is characterized in that: be provided with circumferential location structure between described spring pedestal and the connecting rod.
In this insulating pull rod for breaker, spring pedestal is the tubular that the upper end has opening, the opening of spring pedestal is provided with internal thread, outer nut is provided with external screw thread, outer nut is threaded in the opening part of spring pedestal, the centre of outer nut is provided with through hole, the dish spring is located in the spring pedestal, and cover is connected on the connecting rod, in installation process, outer nut is placed on the connecting rod, the dish spring that connecting rod and cover are connected on the connecting rod is encased in the spring pedestal together then, rotate outer nut then, outer nut is threaded be connected in the opening part of spring pedestal.Be provided with circumferential location structure between spring pedestal and the connecting rod, in the insulated tension pole assembling process, can be so that connecting rod and vacuum interrupter can effectively solve the rotation sliding phenomenon of connecting rod when assembling, making the connecting rod assembling be screwed into does not need any specific frock just can tighten fast in the vacuum interrupter moving conductive rod, make assembling more simple, convenient, efficient, solved original-pack timing and used interior card spanner to assemble the problem of time-consuming effort.
In above-mentioned insulating pull rod for breaker, described circumferential location structure comprises on the non-circular hole of spring pedestal bottom and the end, connecting rod lower end the non-circular structure with above-mentioned non-circular hole coupling.
In use, the non-circular structure of end, connecting rod lower end extend in the non-circular hole of the spring pedestal bottom that matches, because this structure is non-circular, therefore when insulated tension pole and vacuum interrupter assembling, connecting rod rotates when being screwed into assembling can not produce sliding phenomenon, thereby can improve operating efficiency not needing any specific frock just can tighten fast.
In above-mentioned insulating pull rod for breaker, described connecting rod comprises screw rod and swivel nut, and swivel nut is provided with the retaining edge.
Connecting rod comprises screw rod and swivel nut, and swivel nut is provided with the retaining edge, and retaining is along swivel nut is divided into upper and lower two parts, during installation, outer nut is placed in the top of swivel nut, and is resisted against the retaining edge, dish spring cover is connected in the bottom of swivel nut, and above-mentioned non-circular structure is positioned on the end of swivel nut bottom.One end of screw rod is threaded with swivel nut, and protruding can being screwed into of the other end is assembled in the vacuum interrupter.
In above-mentioned insulating pull rod for breaker, described circumferential location structure comprises on the connecting rod on the non-circular retaining edge and spring pedestal and the non-circular hole of above-mentioned non-circular retaining along coupling.
Circumferential location structure between connecting rod and the spring pedestal also can be arranged on retaining on the connecting rod along the place, utilize in non-circular retaining edge on the connecting rod and the spring pedestal its be positioned at retaining along the place with the non-circular retaining edge non-circular hole structure that is complementary on cooperate, can can apace connecting rod be tightened in the vacuum interrupter so that do not need any specific frock just can solve the rotation sliding problem of connecting rod when assembling effectively during the assembling of insulated tension pole and vacuum interrupter equally.
In above-mentioned insulating pull rod for breaker, described non-circular hole is a bar hole.
In above-mentioned insulating pull rod for breaker, described non-circular hole is a hexagon ring.
Non-circular hole can be bar hole or hexagon ring, also can be the hole of other non-circular shapes.
In above-mentioned insulating pull rod for breaker, the non-circular hole of described spring pedestal bottom is through hole or blind hole.
The non-circular hole of spring pedestal bottom is a through hole, also can be blind hole, and through hole still is that blind hole can both effectively solve the rotation sliding problem of connecting rod when assembling with vacuum interrupter.
In above-mentioned insulating pull rod for breaker, the described body of rod comprises insulation crust, and insulation crust is provided with full skirt.
Insulation crust is provided with full skirt, and the creep distance that being provided with of full skirt can make insulated tension pole increases, and can solve outside office effectively and put higher and problem such as corona, and can increase the insulation property of insulated tension pole, has also improved the withstand voltage of insulated tension pole.By setting, can satisfy the service requirement under the different industrial frequency withstand voltages to full skirt.
In above-mentioned insulating pull rod for breaker, described insulation crust is to add glass fiber material in the PA66 Reinforced Nylon material to be made.
Insulation crust is made by add glass fiber material in PA66 Reinforced Nylon material, make insulated tension pole toughness increase, not only strengthened the mechanical strength of insulated tension pole, also solve the electric field uneven phenomenon effectively and prolonged useful life of insulated tension pole, alleviated the weight of insulated tension pole simultaneously.
Compared with prior art, this insulating pull rod for breaker has following advantage:
1, is provided with circumferential location structure between connecting rod in this insulating pull rod for breaker and the spring pedestal, efficiently solve the rotation sliding problem of connecting rod when insulated tension pole and vacuum interrupter assembling like this, do not need any specific frock just can tighten fast, make assembling more simply, easily and fast, efficiently.
2, the insulation crust of this insulating pull rod for breaker is provided with full skirt, has increased the creep distance of insulated tension pole, has solved outside office effectively and has put higher and problem such as corona, has also improved the insulation property and the withstand voltage of insulated tension pole.
3, the insulation crust of this insulating pull rod for breaker is to add glass fiber material in the PA66 Reinforced Nylon material to be made, and has strengthened the mechanical strength of insulated tension pole.
4, the outer nut of this insulating pull rod for breaker and spring pedestal are for being threaded, when connecting rod in use breaks down, outer nut can be turned on by helicitic texture and be detached spring pedestal, so just can the connecting rod that this breaks down more be changed separately with a good connecting rod, and do not need whole insulated tension pole is more changed, saved use cost greatly.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of embodiment one.
Fig. 2 is the structural representation of connecting rod among the embodiment one.
Fig. 3 is the right view of Fig. 2.
Fig. 4 is the spring pedestal structural representation among the embodiment one.
Fig. 5 is the vertical view of Fig. 4.
Fig. 6 is the sectional structure schematic diagram of embodiment two.
Fig. 7 is the structural representation of connecting rod among the embodiment two.
Fig. 8 is the right view of Fig. 7.
Fig. 9 is the spring pedestal structural representation among the embodiment two.
Figure 10 is the vertical view of Fig. 9.
Among the figure, 1, the body of rod; 2, spring pedestal; 3, connecting rod; 3a, screw rod; 3b, swivel nut; 3c, retaining edge; 4, outer nut; 5, dish spring; 6, insulation crust; 7, non-circular hole; 8, non-circular structure; 9, full skirt; 10, connecting screw rod.
Embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
Embodiment one
As Fig. 1,2,3,4 and shown in Figure 5, this insulating pull rod for breaker is the insulated tension pole 1250A-31.5KA/3150A-31.5KA that is applicable to 24KV high-tension switch cabinet vacuum circuit-breaker, comprise connecting rod 3, dish spring 5, spring pedestal 2 and the body of rod 1, the body of rod 1 lower end is fixed with connecting screw rod 10, spring pedestal 2 is tubular and fixedlys connected with the body of rod 1 upper end, the outer nut 4 that has been threaded of the opening part in spring pedestal 2 upper ends.Connecting rod 3 comprises screw rod 3a and swivel nut 3b, swivel nut 3b is provided with retaining along 3c, retaining is divided into upper and lower two parts along 3c with swivel nut 3b, outer nut 4 is placed in the top of swivel nut 3b and is resisted against retaining along on the 3c, dish spring 5 is located in the spring pedestal 2 and is overlapped on the bottom of the swivel nut 3b that is connected in connecting rod 3, and the two ends of dish spring 5 act on respectively on spring pedestal 2 and the connecting rod 3.Spring pedestal 2 bottoms are provided with non-circular hole 7, and the end, bottom of the swivel nut 3b bottom of connecting rod 3 is provided with the non-circular structure 8 that the non-circular hole 7 with spring pedestal 2 bottoms is complementary.The body of rod 1 comprises insulation crust 6, insulation crust 6 advances 30% glass fiber material and is made for adding in the PA66 Reinforced Nylon material, insulation crust 6 is provided with eight full skirts 9 near that end of spring pedestal 2, is being provided with seven full skirts 9 near on that end of connecting screw rod 10.
In installation process, earlier outer nut 4 is placed in the swivel nut 3b top of connecting rod 3 and makes it be resisted against retaining along on the 3c, then with connecting rod 3 and be connected in dish spring 5 on the swivel nut 3b and pack in the spring pedestal 2, external screw thread by outer nut 4 combines the opening part that outer nut 4 is fixed on spring pedestal 2 with the internal thread of spring pedestal 2 upper end open, regulating connecting rod 3 extend in the non-circular hole 7 of spring pedestal 2 bottoms the non-circular structure 8 on the connecting rod 3 swivel nut 3b lower bottom end ends, screw rod 3a with the connecting rod on the insulated tension pole 3 tightens on the moving conductive rod of vacuum interrupter at last, and insulated tension pole can be assembled with vacuum interrupter quickly and easily.
The bar hole of present embodiment is a through hole.
The bar hole of present embodiment can also be blind hole.
Embodiment two
As Fig. 6,7,8,9 and shown in Figure 10, this insulating pull rod for breaker is the insulated tension pole 2000A-31.5KA that is applicable to 40.5KV high-tension switch cabinet vacuum circuit-breaker, comprise connecting rod 3, dish spring 5, spring pedestal 2 and the body of rod 1, the body of rod 1 lower end is fixed with connecting screw rod 10, spring pedestal 2 is tubular and fixedlys connected with the body of rod 1 upper end, the outer nut 4 that has been threaded of the opening part in spring pedestal 2 upper ends.Connecting rod 3 comprises screw rod 3a and swivel nut 3b, swivel nut 3b is provided with retaining along 3c, retaining is divided into upper and lower two parts along 3c with swivel nut 3b, outer nut 4 is placed in the top of swivel nut 3b and is resisted against retaining along on the 3c, dish spring 5 is located in the spring pedestal 2 and is overlapped on the bottom of the swivel nut 3b that is connected in connecting rod 3, and the two ends of dish spring 5 act on respectively on spring pedestal 2 and the connecting rod 3.Spring pedestal 2 bottoms are provided with non-circular hole 7, and the end, bottom of the swivel nut 3b bottom of connecting rod 3 is provided with the non-circular structure 8 that the non-circular hole 7 with spring pedestal 2 bottoms is complementary.The body of rod 1 comprises insulation crust 6, and insulation crust 6 advances 30% glass fiber material and is made for adding in the PA66 Reinforced Nylon material, and insulation crust 6 is provided with 12 full skirts 9 near that end of connecting screw rods 10.
In installation process, earlier outer nut 4 is placed in the swivel nut 3b top of connecting rod 3 and makes it be resisted against retaining along on the 3c, then with the swivel nut 3b of connecting rod 3 and be connected in dish spring 5 on the swivel nut 3b and pack in the spring pedestal 2, external screw thread by outer nut 4 combines the opening part that outer nut 4 is fixed on spring pedestal 2 with the internal thread of the opening of spring pedestal 2 upper ends, regulating connecting rod 3 extend in the non-circular hole 7 of spring pedestal 2 bottoms the non-circular structure 8 on the connecting rod 3 swivel nut 3b lower bottom end ends, screw rod 3a with the connecting rod on the insulated tension pole 3 tightens on the moving conductive rod of vacuum interrupter at last, and insulated tension pole is assembled with vacuum interrupter quickly and easily.
The bar hole of present embodiment is a blind hole.
The bar hole of present embodiment can also be through hole.
Embodiment three
The difference of present embodiment and embodiment one is: the circumferential location structure in the present embodiment between connecting rod 3 and the spring pedestal 2 is non-circular retaining along 3c and is arranged on and is positioned at the non-circular hole 7 that retaining is complementary along 3c along 3c place and non-circular retaining on the spring pedestal 2.Other structures are identical with embodiment's one, no longer repeat.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used the body of rod 1, spring pedestal 2, connecting rod 3, screw rod 3a, swivel nut 3b, retaining along terms such as 3c, outer nut 4, dish spring 5, insulation crust 6, non-circular hole 7, non-circular structure 8, full skirt 9, connecting screw rods 10 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (9)
1. insulating pull rod for breaker, comprise connecting rod (3), dish spring (5), the spring pedestal (2) and the body of rod (1), the described body of rod (1) lower end is installed with connecting screw rod (10), described spring pedestal (2) is tubular and fixedlys connected with the body of rod (1) upper end, be fixed with outer nut (4) in the upper end of spring pedestal (2), above-mentioned connecting rod (3) is arranged in spring pedestal (2), and its upper end is passed outer nut (4) and is extended to outside the spring pedestal (2), described dish spring (5) is located in the spring pedestal (2) and is enclosed within on the connecting rod (3), the two ends of dish spring (5) act on respectively on spring pedestal (2) and the connecting rod (3), it is characterized in that: be provided with circumferential location structure between described spring pedestal (2) and the connecting rod (3).
2. a kind of insulating pull rod for breaker according to claim 1 is characterized in that, described connecting rod (3) comprises screw rod (3a) and swivel nut (3b), and swivel nut (3b) is provided with retaining along (3c).
3. a kind of insulating pull rod for breaker according to claim 2, it is characterized in that described circumferential location structure comprises the non-circular structure (8) that mates with above-mentioned non-circular hole (7) on the non-circular hole (7) of spring pedestal (2) bottom and connecting rod (3) end, lower end.
4. a kind of insulating pull rod for breaker according to claim 3 is characterized in that, the non-circular hole (7) of described spring pedestal (2) bottom is through hole or blind hole.
5. a kind of insulating pull rod for breaker according to claim 2 is characterized in that, described circumferential location structure comprises that connecting rod (3) is gone up non-circular retaining edge (3c) and spring pedestal (2) is gone up the non-circular hole (7) that mates along (3c) with above-mentioned non-circular retaining.
6. according to claim 4 or 5 described a kind of insulating pull rod for breaker, it is characterized in that described non-circular hole (7) is a bar hole.
7. according to claim 4 or 5 described a kind of insulating pull rod for breaker, it is characterized in that described non-circular hole (7) is a hexagon ring.
8. a kind of insulating pull rod for breaker according to claim 1 is characterized in that, the described body of rod (1) comprises insulation crust (6), and insulation crust (6) is provided with full skirt (9).
9. a kind of insulating pull rod for breaker according to claim 8 is characterized in that, described insulation crust (6) advances glass fiber material for interpolation in the PA66 Reinforced Nylon material and is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203061073U CN201430104Y (en) | 2009-07-13 | 2009-07-13 | Circuit breaker insulating pull rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203061073U CN201430104Y (en) | 2009-07-13 | 2009-07-13 | Circuit breaker insulating pull rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201430104Y true CN201430104Y (en) | 2010-03-24 |
Family
ID=42033846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203061073U Expired - Lifetime CN201430104Y (en) | 2009-07-13 | 2009-07-13 | Circuit breaker insulating pull rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201430104Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101599388B (en) * | 2009-07-13 | 2012-06-27 | 浙江雷安电气有限公司 | Insulating pull rod for breaker |
| CN103824724A (en) * | 2014-03-08 | 2014-05-28 | 浙江华仪电器科技有限公司 | Two-way insulating pull rod |
| CN104576179A (en) * | 2014-12-31 | 2015-04-29 | 金盘电气集团（上海）有限公司 | Transmission pull rod adopting vacuum insulating technology |
| CN110752125A (en) * | 2019-10-25 | 2020-02-04 | 闽江学院 | Insulating pull rod for circuit breaker |
-
2009
- 2009-07-13 CN CN2009203061073U patent/CN201430104Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101599388B (en) * | 2009-07-13 | 2012-06-27 | 浙江雷安电气有限公司 | Insulating pull rod for breaker |
| CN103824724A (en) * | 2014-03-08 | 2014-05-28 | 浙江华仪电器科技有限公司 | Two-way insulating pull rod |
| CN103824724B (en) * | 2014-03-08 | 2016-06-15 | 浙江华仪电器科技有限公司 | A kind of two-way insulated tension pole |
| CN104576179A (en) * | 2014-12-31 | 2015-04-29 | 金盘电气集团（上海）有限公司 | Transmission pull rod adopting vacuum insulating technology |
| CN110752125A (en) * | 2019-10-25 | 2020-02-04 | 闽江学院 | Insulating pull rod for circuit breaker |
| CN110752125B (en) * | 2019-10-25 | 2021-09-28 | 闽江学院 | Insulating pull rod for circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG LEI AN ELECTRIC CO., LTD. Free format text: FORMER OWNER: ZHEJIANG ROXZ ELECTRIC APPLIANCE CO., LTD. Effective date: 20101216 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20101216 Address after: Yuhuan County Town, Taizhou city of Zhejiang province Truman 317605 Hing Road No. 190 Patentee after: Zhejiang Leian Electric Co., Ltd. Address before: Yuhuan County Town, Taizhou city of Zhejiang province Truman 317605 Hing Road No. 190 Patentee before: Zhejiang ROXZ Electric Appliance Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100324 Effective date of abandoning: 20090713 |