CN204748479U - Device is dialled out to break pin - Google Patents
Device is dialled out to break pin Download PDFInfo
- Publication number
- CN204748479U CN204748479U CN201520446297.4U CN201520446297U CN204748479U CN 204748479 U CN204748479 U CN 204748479U CN 201520446297 U CN201520446297 U CN 201520446297U CN 204748479 U CN204748479 U CN 204748479U
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- China
- Prior art keywords
- screw rod
- break pin
- hole
- pin
- cup dolly
- Prior art date
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- 239000000284 extract Substances 0.000 abstract description 4
- 238000010008 shearing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The utility model discloses a device is dialled out to break pin, including drum support, circular guard shield, A circular base, screw rod and lock nut, circular guard shield sets up in the top of drum support, and A circular base sets up in the bottom of drum support, and the center of circular guard shield is provided with the screw hole, and A circular base's center is provided with the through -hole, screw rod and screw hole threaded connection, and the top of screw rod is located the top of circular guard shield, and the through -hole is run through to the bottom of screw rod, the end end screw thread connection of lock nut and screw rod, the top of screw rod is provided with rotating -structure. Through the utility model discloses, can be convenient extract the break pin.
Description
Technical field
The utility model relates to hydraulic turbine field, particularly relates to a kind of break pin and transfers to device.
Background technology
When closing hydraulic turbine water guide structure, the foreign matters such as wood may being had between two stators, water distributor cannot be closed, can close to make other stator except two stators of card foreign matter, be unlikely to destroy transmission mechanism, guide vane lever is provided with the shear pin device of destructible.When having foreign matter to block when between stator, guide vane teunnion and guide vane lever are inactive, and connecting plate rotates under jaw drives, therefore shearing is produced to break pin, when this shearing is greater than 1.5 times of normal operating stress, break pin is cut off, and this stator departs from control, but other stator still can normal rotation, avoids fault spread.
Cut off because break pin produces under the effect of shearing, cut off the straight pin of later half in connecting plate (duplex arm) pin-and-hole, second half is in the pin-and-hole of connecting lever, in order to change break pin, the straight pin of connecting plate and connecting lever pin-and-hole must be taken out the break pin that could more renew.But due to the reason such as corrosion and wearing and tearing, often cause the straight pin cut off to be stuck in pin-and-hole and not easily take out.
Utility model content
Namely the purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of break pin can being convenient to take out break pin to transfer to device.
The purpose of this utility model is achieved through the following technical solutions:
Device transferred to by break pin, comprises cylinder stent, shaped cover, cup dolly, screw rod and locking nut; Shaped cover is arranged at the top of cylinder stent, cup dolly is arranged at the bottom of cylinder stent, the center of shaped cover is provided with screwed hole, the center of cup dolly is provided with through hole, screw rod is threaded with screwed hole, the top of screw rod is positioned at the top of shaped cover, and through hole is run through in the bottom of screw rod; Locking nut is threaded with the bottom of screw rod; The top of screw rod is provided with rotational structure.
The utility model operationally, through-hole alignment connecting plate on cup dolly or connecting lever will be cut off the center of pin-and-hole, rotating screw bolt makes screw rod run through the endoporus of break pin, locking nut to be arranged on from the bottom of screw rod screw rod and rotating nut makes nut be close to the end of break pin, finally cylinder stent is pressed on connecting plate or connecting lever, by rotational structure rotating screw bolt, screw rod is moved upward, thus break pin is extracted from cutting off in pin-and-hole.
Further, described rotational structure is the inner hexagonal hole being opened in described screw tip.
In use, rotating screw bolt can be coordinated by inner hexagon spanner with inner hexagonal hole.
Further, described rotational structure is the handle being arranged at described screw tip.
In use, directly handle rotating screw bolt can be passed through.
Further, described rotational structure is the hexagonal (hexagon)nut being arranged at described screw tip.
In use, rotating screw bolt can be coordinated by spanner with hexagonal (hexagon)nut.
Further, the through hole surrounding of described cup dolly is provided with the positioning tube to downward-extension.
In use, positioning tube inserts in the endoporus of break pin, is convenient to location of the present utility model.
Further, the upper end of described locking nut is provided with top cylinder, and the top of top cylinder is taper surface.
In order to realize the object of extracting break pin, when extracting break pin, nut can enter to be cut off in pin-and-hole, and this causes the diameter of nut can not be greater than the diameter of break pin, and this nut needs special processing, and cost is higher.In order to overcome this problem, arrange a top cylinder in the upper end of locking nut, top cylinder enters and cuts off pin-and-hole and contact with break pin in use, thus is extracted by break pin.The top of top cylinder is taper surface, and top cylinder is fully contacted with the inclined-plane of break pin end, can effectively prevent top cylinder from damaging.
Further, the bottom of described cup dolly is provided with rubber layer.
Rubber layer is set, when rotating screw bolt extracts break pin, the frictional force between cup dolly and connecting plate or connecting lever can be increased, prevent cylinder stent from rotating.
In sum, advantage of the present utility model and beneficial effect are:
1., by the utility model, can easily break pin be extracted;
2. arrange positioning tube, in use, positioning tube inserts in the endoporus of break pin, is convenient to location of the present utility model;
3. arrange top cylinder, during use, top cylinder enters and cuts off pin-and-hole and contact with break pin, and avoid nut size to impact of the present utility model, nut, without the need to special processing, reduces cost;
4. the top of pushing up cylinder is taper surface, and top cylinder is fully contacted with the inclined-plane of break pin end, can effectively prevent top cylinder from damaging;
5. rubber layer is set, when rotating screw bolt extracts break pin, the frictional force between cup dolly and connecting plate or connecting lever can be increased, prevent cylinder stent from rotating.
Accompanying drawing explanation
In order to be illustrated more clearly in embodiment of the present utility model, be briefly described to the accompanying drawing used required for describing in the utility model embodiment below.Apparent, the accompanying drawing in the following describes is only some embodiments recorded in the utility model, to those skilled in the art, when not paying creative work, according to accompanying drawing below, can also obtain other accompanying drawing.
Fig. 1 is the structural representation of break pin;
Fig. 2 is the using state figure of the utility model embodiment 2;
Fig. 3 is the using state figure of the utility model embodiment 3;
Fig. 4 is the using state figure of the utility model embodiment 4;
Wherein, the parts title that Reference numeral is corresponding is as follows:
1-cylinder stent, 2-shaped cover, 3-cup dolly, 4-screw rod, 5-locking nut, 6-break pin, 301-positioning tube, 302-rubber layer, 401-inner hexagonal hole, 402-handle, 403-hexagonal (hexagon)nut, 501-pushes up cylinder.
Detailed description of the invention
In order to make those skilled in the art understand the utility model better, below in conjunction with the accompanying drawing in the utility model embodiment, clear, complete description is carried out to the technical scheme in the utility model embodiment.Apparent, embodiment described below is only the part in the utility model embodiment, instead of all.Based on the embodiment that the utility model is recorded, other all embodiment that those skilled in the art obtain when not paying creative work, all in the scope of the utility model protection.
Embodiment 1:
As shown in Fig. 1 ~ Fig. 4, device transferred to by break pin, comprises cylinder stent 1, shaped cover 2, cup dolly 3, screw rod 4 and locking nut 5; Shaped cover 2 is arranged at the top of cylinder stent 1, cup dolly 3 is arranged at the bottom of cylinder stent 1, the center of shaped cover 2 is provided with screwed hole, the center of cup dolly 3 is provided with through hole, screw rod 4 is threaded with screwed hole, the top of screw rod 4 is positioned at the top of shaped cover 2, and through hole is run through in the bottom of screw rod 4; Locking nut 5 is threaded with the bottom of screw rod 4; The top of screw rod 4 is provided with rotational structure.
Operationally, through-hole alignment connecting plate on cup dolly 3 or connecting lever will be cut off the center of pin-and-hole, rotating screw bolt 4 makes screw rod 4 run through the endoporus of break pin 6, locking nut 5 to be arranged on from the bottom of screw rod 4 screw rod 4 and rotating nut 5 makes nut 5 be close to the end of break pin 6, finally cylinder stent 1 is pressed on connecting plate or connecting lever, by rotational structure rotating screw bolt 4, screw rod 4 is moved upward, thus break pin 6 is extracted from cutting off in pin-and-hole.
Convenient in order to make this device locate in use, the through hole surrounding of cup dolly 3 can also be provided with positioning tube 301 to downward-extension, in use, positioning tube 301 inserts in the endoporus of break pin 6, is convenient to the location of this device.
In order to reduce costs, avoid processing especially locking nut 5, arranging a top cylinder 501 in the upper end of locking nut 5, top cylinder 501 enters and cuts off pin-and-hole and contact with break pin 6 in use, thus is extracted by break pin 6.The top of top cylinder 501 is taper surface, and top cylinder 501 fully can be contacted with the inclined-plane of break pin 6 end, can effectively prevent top cylinder 501 from damaging.
Rubber layer 302 can also be set in the bottom of cup dolly 3.Rubber layer 302 is set, when rotating screw bolt 4 extracts break pin 6, the frictional force between cup dolly 3 and connecting plate or connecting lever can be increased, prevent cylinder stent 1 from rotating.
Embodiment 2:
As shown in Figure 2, the present embodiment is on the basis of embodiment 1, and described rotational structure is the inner hexagonal hole 401 being opened in described screw rod 4 top.In use, rotating screw bolt 4 can be coordinated by inner hexagon spanner with inner hexagonal hole 401.
Embodiment 3:
As shown in Figure 3, the present embodiment is on the basis of embodiment 1, and described rotational structure is the handle 402 being arranged at described screw rod 4 top.In use, directly handle 402 rotating screw bolt 4 can be passed through.
Embodiment 4:
As shown in Figure 4, the present embodiment is on the basis of embodiment 1, and described rotational structure is the hexagonal (hexagon)nut 403 being arranged at described screw rod 4 top.In use, rotating screw bolt 4 can be coordinated by spanner with hexagonal (hexagon)nut 403.
As mentioned above, just the utility model can be realized preferably.
Claims (7)
1. device transferred to by break pin, it is characterized in that:
Comprise cylinder stent (1), shaped cover (2), cup dolly (3), screw rod (4) and locking nut (5);
Shaped cover (2) is arranged at the top of cylinder stent (1), cup dolly (3) is arranged at the bottom of cylinder stent (1), the center of shaped cover (2) is provided with screwed hole, the center of cup dolly (3) is provided with through hole, screw rod (4) is threaded with screwed hole, the top of screw rod (4) is positioned at the top of shaped cover (2), and through hole is run through in the bottom of screw rod (4);
Locking nut (5) is threaded with the bottom of screw rod (4);
The top of screw rod (4) is provided with rotational structure.
2. device transferred to by break pin according to claim 1, it is characterized in that:
Described rotational structure is for being opened in the inner hexagonal hole (401) on described screw rod (4) top.
3. device transferred to by break pin according to claim 1, it is characterized in that:
Described rotational structure is for being arranged at the handle (402) on described screw rod (4) top.
4. device transferred to by break pin according to claim 1, it is characterized in that:
Described rotational structure is for being arranged at the hexagonal (hexagon)nut (403) on described screw rod (4) top.
5. transfer to device according to the break pin in claim 1 ~ 4 described in any one, it is characterized in that:
The through hole surrounding of described cup dolly (3) is provided with the positioning tube (301) to downward-extension.
6. transfer to device according to the break pin in claim 1 ~ 4 described in any one, it is characterized in that:
The upper end of described locking nut (5) is provided with top cylinder (501), and the top on top cylinder (501) is taper surface.
7. transfer to device according to the break pin in claim 1 ~ 4 described in any one, it is characterized in that:
The bottom of described cup dolly (3) is provided with rubber layer (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520446297.4U CN204748479U (en) | 2015-06-26 | 2015-06-26 | Device is dialled out to break pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520446297.4U CN204748479U (en) | 2015-06-26 | 2015-06-26 | Device is dialled out to break pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204748479U true CN204748479U (en) | 2015-11-11 |
Family
ID=54463232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520446297.4U Active CN204748479U (en) | 2015-06-26 | 2015-06-26 | Device is dialled out to break pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204748479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113878541A (en) * | 2021-11-11 | 2022-01-04 | 国网四川省电力公司映秀湾水力发电总厂 | Pulling device and pulling method for shear pin of water turbine |
-
2015
- 2015-06-26 CN CN201520446297.4U patent/CN204748479U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113878541A (en) * | 2021-11-11 | 2022-01-04 | 国网四川省电力公司映秀湾水力发电总厂 | Pulling device and pulling method for shear pin of water turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |