CN204082229U - Anti-wear emergency governor, overspeed governor - Google Patents
Anti-wear emergency governor, overspeed governor Download PDFInfo
- Publication number
- CN204082229U CN204082229U CN201420561138.4U CN201420561138U CN204082229U CN 204082229 U CN204082229 U CN 204082229U CN 201420561138 U CN201420561138 U CN 201420561138U CN 204082229 U CN204082229 U CN 204082229U
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- CN
- China
- Prior art keywords
- flyball
- block
- lining
- governor
- fastening piece
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of anti-wear emergency governor, overspeed governor, comprise connecting body and flyball, installation cavity is formed in described flyball, be installed on lining in described installation cavity, be connected with spring in described lining, one end of described flyball is provided with sliding sleeve and nut, regulating sleeve is provided with between described flyball inwall and lining, the other end of the relative sliding sleeve of described flyball is provided with block, and described block is provided with fastening piece, is detachably fixedly connected with between described flyball and block by fastening piece.The utility model has the advantage of, the wearing and tearing that may cause when block prevents and occurs to clash between flyball and unhook are set at flyball top, can change by during fastening piece fixed random, lining offers groove and in installation cavity, is provided with the limiting stopper with groove fit, certain position-limiting action is served to the stroke of flyball motion, and avoids the wearing and tearing of clashing into generation between lining and flyball inwall for the rubber material of limiting stopper.
Description
Technical field
The utility model relates to a kind of emergency governor, overspeed governor, and more particularly, it relates to a kind of anti-wear emergency governor, overspeed governor.
Background technique
Emergency governor, overspeed governor is mounted in the head of turbine rotor, arranged off-centre, emergency governor, overspeed governor comprises flyball, rotor and spring, when normal operation, flyball is pressed in inside rotor by spring, when rotating speed reaches about 110%, centrifugal force suffered by flyball is greater than spring force, at this moment flyball flies out, pound on trip gear, realize closing main inlet throttle-stop valve and timing steam gate by clashing into unhook, emergency governor, overspeed governor is in the market exactly mainly close main inlet throttle-stop valve and timing steam gate by flyball and the direct shock between breaking off relations this just causes the wearing and tearing on flyball surface, Long-Time Service can make the accuracy regulated reduce.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is that providing a kind of can improve the anti-wear emergency governor, overspeed governor regulating accuracy.
For achieving the above object, the utility model provides following technological scheme: a kind of anti-wear emergency governor, overspeed governor, comprise connecting body and flyball, installation cavity is formed in described flyball, lining is installed in described installation cavity, spring is connected with in described lining, one end of described flyball is provided with sliding sleeve and nut, regulating sleeve is provided with between described flyball inwall and lining, the other end of the relative sliding sleeve of described flyball is provided with block, described block is provided with fastening piece, is detachably fixedly connected with by fastening piece between described flyball and block.
By adopting such scheme, it is effect in order to play a restriction to flyball that flyball arranges lining and spring, when rotating speed reaches certain transition point, flyball can be thrown out of under the influence of centrifugal force thus realize the effect of blocking, the other end of the relative sliding sleeve of flyball and flyball and one end that often will collide of breaking off relations are provided with block, block is detachably fixedly connected on flyball top, when flyball is thrown out of under centrifugal action, direct contact impact is carried out between block and unhook, avoid the direct shock between flyball and unhook, protective action is served to flyball surface, prevent from making flyball surface occur wearing and tearing because of clashing into, connected by fastening piece such as bolt or screw or rivet between block and flyball, facilitate the dismounting of block, when block makes the surface of block occur that wearing and tearing cause the adjustment of breaker inaccurate due to shock repeatedly, block can be disassembled and change, ensure that breaker accuracy when regulating is higher.
The utility model is set to further, described block is arranged and has four tapped holes at least, described flyball is provided with the through hole all arranged with tapped hole one_to_one corresponding, described fastening piece is fed through through hole and tapped hole successively and fastening piece is all threaded with block and flyball.
By adopting such scheme, block and flyball are respectively arranged with at least four tapped holes and at least four through holes, fastening piece is fed through the tapped hole of two connections and through hole successively and is all threaded with between tapped hole and through hole, being threaded is the one being detachably fixedly connected with mode, and multiple fastening piece be uniformly distributed arrange can not only to ensure between flyball and block fixing more fastening, and be unlikely to because the loosening and cause monoblock block to loosen an of screw, simultaneously bolt or screw or rivet dismounting, installation and change all very convenient.
The utility model is set to further, and described lining is riveted in flyball, and described lining offers groove, and described groove is communicated with installation cavity.
By adopting such scheme, lining is riveted on flyball inwall, also spring is installed in lining, keep away simultaneously and groove is set on lining, be communicated with between groove and installation cavity, expand the volume of installation cavity, regulating sleeve can be placed in installation cavity, this also makes flyball when the effect being subject to certain centrifugal force is thrown out of, groove plays restriction, prevent due to nut loosening thus cause flyball directly to fly out, simultaneously also can by changing the adjustment that regulating sleeve realizes flyball range ability.
The utility model is set to further, is provided with limiting stopper in described groove, and described limiting stopper is made up of rubber material.
By adopting such scheme, the limiting stopper of quality of rubber materials is provided with in groove, limiting stopper stretches in installation cavity simultaneously, limiting stopper being arranged to rubber material is effect of impact power in order to play when flyball is thrown out of under the action of the centrifugal between buffer bush and flyball inwall, rubber has good elasticity, decrease the shock of lining and flyball inwall and the wearing and tearing produced, described limiting stopper and groove fit, the movement travel of groove to limiting stopper serves restriction, the movement travel making flyball in allowed limits, prevents the generation of fortuitous event.
Compared with prior art, the utility model has the advantage of: the wearing and tearing that may cause when block prevents and occurs to clash between flyball and unhook are set at flyball top, can change by during fastening piece fixed random, lining offers groove and in installation cavity, is provided with the limiting stopper with groove fit, certain position-limiting action is served to the stroke of flyball motion, and avoids the wearing and tearing of clashing into generation between lining and flyball inwall for the rubber material of limiting stopper.
Accompanying drawing explanation
Fig. 1 is the structural representation of the anti-wear emergency governor, overspeed governor of the utility model;
Fig. 2 is the A portion enlarged diagram shown in Fig. 1;
Fig. 3 is the B portion enlarged diagram shown in Fig. 1.
Description of reference numerals: 1, flyball; 2, block; 3, groove; 4, installation cavity; 5, sliding sleeve; 6, lining; 7, spring; 8, regulating sleeve; 9, limiting stopper; 10, fastening piece.
Embodiment
With reference to accompanying drawing 1 to Fig. 3, the anti-wear emergency governor, overspeed governor of the utility model embodiment is described in further details.
The anti-wear emergency governor, overspeed governor of one in the present embodiment, as shown in Figure 1, comprise connecting body (not marking in figure) and flyball 1, installation cavity 4 is formed in described flyball 1, lining 6 is installed in described installation cavity 4, spring 7 is connected with in described lining 6, one end of described flyball 1 is provided with sliding sleeve 5 and nut (not marking in figure), regulating sleeve 8 is provided with between described flyball 1 inwall and lining 6, the other end of the relative sliding sleeve 5 of described flyball 1 is provided with block 2, described block 2 is provided with fastening piece 10, detachably be fixedly connected with by fastening piece 10 between described flyball 1 and block 2, described block 2 is arranged and has four tapped holes at least, described flyball 1 is provided with the through hole all arranged with tapped hole one_to_one corresponding, described fastening piece 10 is fed through through hole and tapped hole successively and fastening piece 10 is all threaded with block 2 and flyball 1, described lining 6 is riveted in flyball, riveted joint is technology well-known in the art, therefore not to repeat here, described lining 6 offers groove 3, described groove 3 is communicated with installation cavity 4, limiting stopper 9 is provided with in described groove 3, described limiting stopper 9 is made up of rubber material.
According to said structure, when emergency governor, overspeed governor runs, when the centrifugal force suffered by flyball 1 is greater than the acting force of the spring of self, when rotation, flyball 1 flies out to clash into and breaks off relations, serve the effect of blocking, when flyball 1 clashes into, block 2 directly contacts with unhook, block 2 serves protective action, avoid flyball 1 and directly to contact between breaking off relations, prevent the wearing and tearing that flyball 1 causes due to shock, make dismounting more convenient by fastening piece 10 such as bolt 10 or screw 10 or rivet 10 simultaneously, in the present embodiment, fastening piece is preferably screw 10, on flyball 1 inwall, riveted joint has lining 6 simultaneously, lining 6 is provided with groove 3, lay limiting stopper 9 in groove 3 and serve certain position-limiting action when flyball 1 moves, limiting stopper 9 coordinates with groove 3, the outer wall of the limiting stopper 9 be made up of rubber material and the inwall laminating of groove 3, prevent the direct shock of lining 6 and flyball 1, serve position-limiting action and protective action, use and also do not need the renewal part regular because of wearing and tearing.
Simultaneously, it is effects in order to play a restriction to flyball 1 that flyball 1 arranges lining 6 and spring 7, when rotating speed reaches certain transition point, flyball 1 can be thrown out of under the influence of centrifugal force thus realize blocking effect, block 2 is detachably fixedly connected with flyball 1 by screw 10, during installation, tapped hole (not marking in figure) and through hole (not marking in figure) is fed through after being threaded successively by screw 10, block 2 is arranged on flyball 1, when changing dismounting, screw 10 is selected in turn outside block 2, now block 2 is just connected with conflicting between flyball 1, can separate between block 2 and flyball 1, replace with new block 2, mounting type as previously described, therefore not to repeat here, therefore, be connected by screw the dismounting facilitating block 2, when block 2 makes the surface of block 2 occur wearing and tearing and then cause the adjustment of emergency governor, overspeed governor inaccurate due to shock repeatedly, the block 2 at flyball 1 top can be disassembled and change, make emergency governor, overspeed governor accuracy when regulating higher.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. an anti-wear emergency governor, overspeed governor, comprise connecting body and flyball, installation cavity is formed in described flyball, be installed on lining in described installation cavity, be connected with spring in described lining, one end of described flyball is provided with sliding sleeve and nut, regulating sleeve is provided with between described flyball inwall and lining, it is characterized in that: the other end of the relative sliding sleeve of described flyball is provided with block, and described block is provided with fastening piece, is detachably fixedly connected with between described flyball and block by fastening piece.
2. anti-wear emergency governor, overspeed governor according to claim 1, it is characterized in that: described block is arranged and has four tapped holes at least, described flyball is provided with the through hole all arranged with tapped hole one_to_one corresponding, described fastening piece is fed through through hole and tapped hole successively and fastening piece is all threaded with block and flyball.
3. anti-wear emergency governor, overspeed governor according to claim 2, is characterized in that: described lining is riveted in flyball, described lining offers groove, and described groove is communicated with installation cavity.
4. anti-wear emergency governor, overspeed governor according to claim 3, it is characterized in that: be provided with limiting stopper in described groove, described limiting stopper is made up of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420561138.4U CN204082229U (en) | 2014-09-26 | 2014-09-26 | Anti-wear emergency governor, overspeed governor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420561138.4U CN204082229U (en) | 2014-09-26 | 2014-09-26 | Anti-wear emergency governor, overspeed governor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204082229U true CN204082229U (en) | 2015-01-07 |
Family
ID=52174959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420561138.4U Expired - Fee Related CN204082229U (en) | 2014-09-26 | 2014-09-26 | Anti-wear emergency governor, overspeed governor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204082229U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928709A (en) * | 2016-04-22 | 2016-09-07 | 大唐东北电力试验研究所有限公司 | Steam turbine set emergency governor test device |
| CN114352361A (en) * | 2022-01-24 | 2022-04-15 | 重庆江增船舶重工有限公司 | Overspeed test tool for steam turbine emergency breaker assembly and use method thereof |
-
2014
- 2014-09-26 CN CN201420561138.4U patent/CN204082229U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928709A (en) * | 2016-04-22 | 2016-09-07 | 大唐东北电力试验研究所有限公司 | Steam turbine set emergency governor test device |
| CN114352361A (en) * | 2022-01-24 | 2022-04-15 | 重庆江增船舶重工有限公司 | Overspeed test tool for steam turbine emergency breaker assembly and use method thereof |
| CN114352361B (en) * | 2022-01-24 | 2023-10-27 | 重庆江增船舶重工有限公司 | Overspeed test tool for steam turbine critical breaker assembly and using method of overspeed test tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20160926 |