CN101944444A - Brake separating buffer device - Google Patents
Brake separating buffer device Download PDFInfo
- Publication number
- CN101944444A CN101944444A CN201010265620XA CN201010265620A CN101944444A CN 101944444 A CN101944444 A CN 101944444A CN 201010265620X A CN201010265620X A CN 201010265620XA CN 201010265620 A CN201010265620 A CN 201010265620A CN 101944444 A CN101944444 A CN 101944444A
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- external member
- spring
- screw
- ball
- lock cushioning
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Abstract
The invention relates to a brake separating buffer device which is characterized by comprising a base; a left external member and a right external member are welded on the base; the left external member is symmetrical to the right external member; the left external member is sequentially provide with a rolling ball, a spring and a thread bushing from right to left; one end of the spring props against the rolling ball; the other end of the spring is provided with a bolt which controls the spring through unscrewing and screwing; one end, which is adjacent to the spring, of the bolt is sheathed in the thread bushing; one end, which is far away from the spring, of the bolt is sheathed on a thin nut; and the thread bushing is tightly press-in on the bolt through two set screws. The brake separating buffer device adopts a manner of combining the rolling ball and the spring to control the resilience and lead the operation of a movable bus to be safer and more reliable; the structure has simple principle, and is easy to process; and the resilience distance can be arbitrarily regulated.
Description
Technical field
The present invention relates to a kind of buffer unit, particularly relate to a kind of cost performance height, the form that has adopted ball to add spring goes to have controlled resilience, makes bus operation safe, performance splitting lock cushioning device more reliably.
Background technology
LMG, LCG series SF6 gas-insulated looped network switch apparatus is mainly used in 24kv and following ring network power supply or biradial power supply; and the following switching of 1250A rated current secondary transformer station, terminal temperature difference station in one's power; distribution and protective device as electric energy are specially adapted to protect transformer and motor.
In October, 2007, Jiangsu proposes to promote 24kv electrical network project in the whole province, because the 24kv electrical network is satisfying the demand that outstanding advantage aspect the electric load capacity can well meet the high density area, comply with national policy in energy-conserving and environment-protective aspect reducing the wastage, in line with international standards aspect electric pressure and sequence, many-sided advantage make its at home electricity market evoke the corresponding tide of a slice.
Compare with the 12kv cabinet, 24kv cabinet built-in electrical insulation requires to increase, so that existing most of 24kv switchgear product cabinet size is compared the 12kv product is big many.How under the 24kv electric pressure requires, can satisfy littler that certain allowance test can do 24kv cabinet size again, be the problem that we study always.
Under the accumulation of continuous test and experience, in 1.3barSF6 gas, satisfy space length 35mm and do not have under the situation of cusp, the industrial frequency withstand voltage value can reach more than the 75kv, lightning impulse voltage is more than 145kv, and margin value surpasses more than 10% of the desired 65kv/125kv of 24kv national standard.See that according to this situation the cabinet size of we 24kv can be with 12kv cabinet consistent size.
But the problem of withstand voltage that also has a moving bus, because the limitation of inner space, what on-load switch adopted is the non-metallic material structure, there is certain defective in the rigidity aspect, and resilience is bigger, when resilience is excessive, can take place to dwindle, cause the withstand voltage puncture of fracture 79kv with the distance of main bus bar (live end).How to control the on-load switch resilience? do not influencing as far as possible under the situation of speed, resilience how to control on-load switch is the problem that we press for solution.
Summary of the invention
At the problems referred to above, main purpose of the present invention is to provide a kind of form that has adopted ball to add spring, has controlled resilience, makes the splitting lock cushioning device of bus operation safe, dependable performance.
The present invention solves above-mentioned technical problem by following technical proposals: a kind of splitting lock cushioning device, it is characterized in that: described device comprises base, on described base, be welded with left external member and right external member, described left external member and right external member symmetry, ball is housed in the described left external member from right to left successively, spring, thread bush, one end of described spring withstands on the described ball, another crown has one by unscrewing and screw the screw that reaches control spring, one end of the close spring of described screw is enclosed within the described thread bush, end away from spring of screw is enclosed within on the thin nut, and thread bush is pressed on the screw by two holding screws.
Wherein, ball on the described left external member and the distance range between the ball on the described right external member are 1～3mm.
In one embodiment, ball on the described left external member and the distance between the ball on the described right external member are 2mm.
In one embodiment, described screw is the screw of M10x15.
In one embodiment, described holding screw is the holding screw of M4x8.
In one embodiment, described thin nut is the thin nut of M10.
Positive progressive effect of the present invention is: splitting lock cushioning device provided by the invention has the following advantages: the present invention has adopted ball to add the form of spring, controlled resilience, make bus operation safe, reliable, this structural principle is simple, processing easily, and snap-off-distance can be regulated arbitrarily.
Description of drawings
Fig. 1 is the schematic diagram of stereogram of the present invention;
Fig. 2 is the schematic diagram of profile status of the present invention;
Fig. 3 is no splitting lock cushioning equipment energy characteristic curve chart;
Fig. 4 has splitting lock cushioning equipment energy characteristic curve chart.
Embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to describe technical scheme of the present invention in detail.
Fig. 1 is the schematic diagram of stereogram of the present invention, referring to Fig. 1, from in appearance, the present invention includes base 100, on base 100, be welded with left external member 200 and right external member 300, Fig. 2 is the schematic diagram of profile status of the present invention, can see from Fig. 2 and the present invention includes base 100, spring 500, thread bush 600, screw 700, holding screw 900, ball 400 and thin nut 900.Referring to Fig. 2: on base 100, be welded with left external member 200 and right external member 300, spring 500, ball 400 are equipped with in external member inside, and thread bush 600, by adjusting M10x15 screw 700, compression spring 500 makes that in addition ball 400 is stressed, two balls, 400 intermediate space are 2mm, and the thickness that will insert the inserted sheet of two balls 400 is 4mm, that is to say, when plate process ball 400 zones, ball 400 can respectively compress 1mm to both sides, and the power that compression produces is the suffered power of inserted sheet just, and the size of this power can realize by the pressure of regulating spring 500.
The adjusting of spring 500 is to realize by M10x15 among Fig. 2 and thread bush 600, thread bush 600 places in the cover of base 100, adopt M4x8 holding screw 900 be fixed with the base external member in, when spring 500 pressure are adjusted to correct position, undertaken M10x15 screw 700 fastening by M10 thin nut 800.The complete splitting lock cushioning device of such cover has been finished.
Below we see down that the effect that splitting lock cushioning and no splitting lock cushioning are produced illustrates with mechanical characteristic: accompanying drawing 3 is the characteristic curve of no splitting lock cushioning, accompanying drawing 4 is for there being the characteristic curve of splitting lock cushioning, from the comparison of two figure as can be seen, during no splitting lock cushioning, because inertia causes blade to be shaken back and forth for several times, finally stop at the separating brake position during blade separating brake, well-known primary inertia maximum, resilience is also maximum, can cause fracture to puncture the generation accident under the extreme case.If when having splitting lock cushioning, the shake number of times reduces when obviously finding out the blade separating brake, and snap-off-distance reduces, and has guaranteed that like this distance of fracture has also guaranteed equipment normal running operation, makes that power equipment is reliable more, safety.
The present invention adopts screw 700 to unscrew and screw the purpose that reaches control spring, adopts thin nut 800 that screw 700 is fixing when reaching ideal position, and holding screw 900 only overlaps 600 effect herein as retaining thread.Thread bush 600 two ends are milled with two grooves, and the cover on an end face and the base is inner fits, and adopt holding screw 900 to guarantee that thread bush 600 can not eject base.Because the position of holding screw 900 is unique, so can adopt auxiliary materials such as anaerobic adhesive to carry out bonding more firm to holding screw 900.When mechanism's operation separating brake, extraneous inserted sheet is instantaneous to be squeezed in the middle of two balls 400, finally also rests in the middle of the ball 400.Reach curve chart shown in Figure 4, satisfied our requirement on electric performance.
Certainly, this structure can be regulated different spring pressures, and the curve chart that is reached has nothing in common with each other.According to different product requirements, can regulate snap-off-distance arbitrarily.Can reach safety, flexibly, reliable!
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications; these changes and improvements all fall in the claimed scope of the invention, and the claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (6)
1. splitting lock cushioning device, it is characterized in that: described device comprises base (100), on described base (100), be welded with left external member (200) and right external member (300), described left external member (200) and right external member (300) symmetry, ball (400) is housed in the described left external member (200) from right to left successively, spring (500), thread bush (600), one end of described spring (500) withstands on the described ball (400), another crown has one by unscrewing and screw the screw (700) that reaches control spring, one end of the close spring (500) of described screw (700) is enclosed within the described thread bush (600), end away from spring (500) of screw (700) is enclosed within on the thin nut (800), and thread bush (600) is pressed on the screw (700) by two holding screws (900).
2. splitting lock cushioning device according to claim 1 is characterized in that: ball (201) on the described left external member (200) and the distance range between the ball (301) on the described right external member (300) are 1～3mm.
3. splitting lock cushioning device according to claim 2 is characterized in that: ball (201) on the described left external member (200) and the distance between the ball (301) on the described right external member (300) are 2mm.
4. splitting lock cushioning device according to claim 1 is characterized in that: described screw (700) is the screw of M10x15.
5. splitting lock cushioning device according to claim 1 is characterized in that: described holding screw (900) is the holding screw of M4x8.
6. splitting lock cushioning device according to claim 1 is characterized in that: described thin nut (800) is the thin nut of M10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010265620 CN101944444B (en) | 2010-08-27 | 2010-08-27 | Brake separating buffer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010265620 CN101944444B (en) | 2010-08-27 | 2010-08-27 | Brake separating buffer device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101944444A true CN101944444A (en) | 2011-01-12 |
| CN101944444B CN101944444B (en) | 2013-06-12 |
Family
ID=43436375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010265620 Active CN101944444B (en) | 2010-08-27 | 2010-08-27 | Brake separating buffer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101944444B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4899021A (en) * | 1988-04-22 | 1990-02-06 | Daniel Thomas M | Latching switch |
| GB2278730A (en) * | 1993-06-01 | 1994-12-07 | Caterpillar Inc | Switch actuating assembly |
| CN1710300A (en) * | 2005-06-23 | 2005-12-21 | 湘潭大学 | Buffer shock-absorbing heavy-duty safety clutch |
| CN201256089Y (en) * | 2008-08-11 | 2009-06-10 | 瓦房店高压开关有限公司 | Valve division buffering mechanism for circuit breaker |
-
2010
- 2010-08-27 CN CN 201010265620 patent/CN101944444B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4899021A (en) * | 1988-04-22 | 1990-02-06 | Daniel Thomas M | Latching switch |
| GB2278730A (en) * | 1993-06-01 | 1994-12-07 | Caterpillar Inc | Switch actuating assembly |
| CN1710300A (en) * | 2005-06-23 | 2005-12-21 | 湘潭大学 | Buffer shock-absorbing heavy-duty safety clutch |
| CN201256089Y (en) * | 2008-08-11 | 2009-06-10 | 瓦房店高压开关有限公司 | Valve division buffering mechanism for circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101944444B (en) | 2013-06-12 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201808 No. 868, Jia Jia highway, Shanghai, Jiading District Patentee after: SHANGHAI PINGGAO TIANLING SWITCH Co.,Ltd. Patentee after: Shanghai Leizeling Electric Co.,Ltd. Address before: 201808 No. 868, Jia Jia highway, Shanghai, Jiading District Patentee before: SHANGHAI TIANLING SWITCHGEAR Co.,Ltd. Patentee before: Shanghai Leizeling Electric Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221215 Address after: 201808 No. 868, Jia Jia highway, Shanghai, Jiading District Patentee after: SHANGHAI PINGGAO TIANLING SWITCH Co.,Ltd. Patentee after: CGIS (Shanghai) Electrics Co.,Ltd. Address before: 201808 No. 868, Jia Jia highway, Shanghai, Jiading District Patentee before: SHANGHAI PINGGAO TIANLING SWITCH Co.,Ltd. Patentee before: Shanghai Leizeling Electric Co.,Ltd. |