CN201934420U - Anti-loosening device for hydraulic cylinder guide sleeve - Google Patents
Anti-loosening device for hydraulic cylinder guide sleeve Download PDFInfo
- Publication number
- CN201934420U CN201934420U CN 201120040112 CN201120040112U CN201934420U CN 201934420 U CN201934420 U CN 201934420U CN 201120040112 CN201120040112 CN 201120040112 CN 201120040112 U CN201120040112 U CN 201120040112U CN 201934420 U CN201934420 U CN 201934420U
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- CN
- China
- Prior art keywords
- guide sleeve
- hydraulic cylinder
- locking device
- oil hydraulic
- loosening device
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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.)
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Abstract
The utility model provides an anti-loosening device for a hydraulic cylinder guide sleeve. The guide sleeve has a cylindrical sleeve structure and is fixed on a front end cover of a hydraulic cylinder in threaded connection. The anti-loosening device is characterized in that the anti-loosening device has a crescent structure with an arc-shaped groove arranged at the internal end of the device; the crescent structure is sheathed at the side part of the guide sleeve and is fixed with the front end cover of the hydraulic cylinder; a boss is arranged at the central position of the arc-shaped groove; correspondingly, a concave surface chamber is arranged at the side part of the guide sleeve; and the boss is embedded in the concave surface chamber of the guide sleeve to be limited and fixed. The anti-loosening device has a simple structure, can be assembled conveniently, thoroughly solves the problem that the guide sleeve penetrating the hydraulic cylinder with a guide plate is easy to loosen, avoids the leakage phenomenon of the hydraulic oil due to the loosening of the guide sleeve, and reduces failures, thus reducing the consumption cost of hydraulic oil, saving the maintenance charge, and ensuring the stable quality of products and the normal run of units. The anti-loosening device is applicable to hydraulic cylinders with similar structures in all industries.
Description
Technical field
The utility model relates to a kind of locking device of oil hydraulic cylinder guide sleeve.
Background technique
Advantages such as 20 roller Senjimier reversible stainless steel cold rolling mills are unitary device, have compact structure, and volume is little.And possess functions such as fast hydraulic pressure press down system, the first intermediate roll axial float, the adjusting of back-up roll convexity, have its superiority at aspects such as automatic thickness, template controls.This unit by coil of strip travelling bogie, left and right sides coiling machine, left and right sides platform device, device body, about equipment such as volume packing paper machine, plat control system and roll change buggy form.The unit mill speed reaches as high as 800m/min, and maximum rolling force is 8000KN, and band steel maximum tension can reach 500KN.
This milling train unit left and right sides platform device by about wear band guide plate, left and right sides template roller, left and right sides circle shear, left and right sides wiper etc. and form, wearing band guide plate function mainly is to realize wearing the band function, promptly being transported on the template roller by wearing the band guide plate from coiler mandrel band steel, by template roller, wiper, pass rolling-mill housing and be transported on the reel of opposite side coiling machine by wearing the band guide plate more again.Wherein, wear swinging up and down by an oil hydraulic cylinder of guide plate of band and realize that as shown in Figure 3, oil hydraulic cylinder comprises cylinder body 6, working principle is such: when needs are worn band, wear the band guide plate and stretch out up swing by hydraulic cylinder piston rod 2; When not needing to wear band, hydraulic cylinder piston rod 2 withdrawals are worn the band guide plate to lower swing; When milling train normal when rolling, wearing the band guide plate increases along with the coil of strip coil diameter on the reel or reduces, do corresponding the adjustment, keep maintaining a certain distance with coil of strip, during with burst accidents such as assurance unit generation broken belts, lift immediately and prop up coil of strip, prevent invar volume loose winding whipping and serious accident occurs, owing to wear the load of bearing when the band guide plate is worn band, impact big, and in the mill milling process, keep and the certain distance of coil of strip always, act frequently, cause the oscillating motor guide sleeve 3 of wearing the band guide plate frequently to become flexible (guide sleeve 3 is to be threaded with oil hydraulic cylinder front cover 4).Be prone to hydraulic fluid leak after guide sleeve 3 becomes flexible, even cause the unit disorderly closedown, influence quality of product.
Summary of the invention
Technical problem to be solved in the utility model is the locking device that a kind of oil hydraulic cylinder guide sleeve simple in structure, easy for installation is provided at the above-mentioned state of the art, the easily loosening problem of band guide plate oil hydraulic cylinder guide sleeve is worn in solution, oil leakage phenomenon takes place in elimination because of guide sleeve is loosening, thereby the reduction cost of equipment maintenance, the stability of improving the quality of products.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: a kind of locking device of oil hydraulic cylinder guide sleeve, described guide sleeve is a cylindrical body nested structure, be threaded and be fixed on the front cover of oil hydraulic cylinder, it is characterized in that: described locking device is " " that the inner end offers arc groove " the type structure; be nested with at the sidepiece of guide sleeve and with the front cover of oil hydraulic cylinder and fix; be provided with a boss in the central position of arc groove; accordingly; the sidepiece at guide sleeve is provided with a concave surface chamber, fix in the concave surface chamber of described boss embedding guide sleeve.
As improvement, the groove surface of described arc groove is semicircle, with the outside of guide sleeve size coupling just in time.
Improve, the outer end of described locking device is provided with 2-3 through hole again, and the front cover of described oil hydraulic cylinder is provided with the respective threads hole, by the fixed block screw locking device is fixed on the front cover.
At last, described through hole is 2, and described fixed block is 2 outer-hexagonal screws.
Compared with prior art, advantage of the present utility model is: product structure is simple, easy for installation, it is semicircular " " that locking device is designed to end face " the type structure; be nested with the outside at guide sleeve; locking device by screw on the front cover of oil hydraulic cylinder; and be provided with boss and cooperate fixing; like this with regard to the thorough easily loosening problem of guide sleeve that solved; avoided because guide sleeve becomes flexible the hydraulic fluid leak phenomenon that occurs with the concave surface chamber of guide sleeve, reduced the fault generation, thereby reduced the consuming cost of hydraulic oil, saved maintenance expenses, guaranteed the normal operation of the steady quality and the unit of product, the utility model is applicable to the oil hydraulic cylinder of the similar structure of all industries.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment's locking device;
Fig. 2 is the schematic representation after the utility model embodiment's guide sleeve is fixed;
Fig. 3 is the structural representation of wearing band guide plate oil hydraulic cylinder of the present utility model.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of locking device of oil hydraulic cylinder guide sleeve, described guide sleeve 3 is the cylindrical body nested structure of a hollow, be threaded on the front cover 4 that is fixed on oil hydraulic cylinder, described locking device 1 offers " " of arc groove 11 for the inner end " the type structure; the outer end of described locking device is provided with 2 through holes 12; front cover 4 of described oil hydraulic cylinder is provided with the respective threads hole; by 2 outer-hexagonal screws locking device 1 is fixed on the front cover 4; described arc groove 11 is a semi-circular recesses; the outside of groove surface and guide sleeve 3 is the size coupling just in time, in the central position of arc groove 11, be provided with a boss 13, accordingly, sidepiece at guide sleeve 3 offers a concave surface chamber, fixes in the concave surface chamber of described boss 13 embedding guide sleeves 3.So just guide sleeve 3 has been firmly fixed, avoided guaranteeing the normal operation of unit owing to the guide sleeve 3 loosening hydraulic fluid leak phenomenons that occur.
Add man-hour,, process rectangular blank earlier with No. 45 steel; Rectangular blank is processed, turning goes out semi-circular recesses again, and leaves a boss 13 in the middle of the groove 11; Simultaneously the boss 13 in the middle of semi-circular recesses 11 and the groove must with oil hydraulic cylinder guide sleeve 3 the size coupling; On semicircular fixing device, process the through hole 12 of two φ 14; The good locking device 1 of processing and fabricating is installed on the front cover 4 of wearing band guide plate oscillating motor, fixes, thereby thoroughly solved the loosening problem of oil hydraulic cylinder guide sleeve 3 by two outer-hexagonal screws 5.
Present embodiment discloses optimum implementation, can not be interpreted as the restriction to the utility model protection domain, and every employing is equal to or the similar techniques means are replaced and realized rotating, all within protection domain of the present utility model.
Claims (4)
1. the locking device of an oil hydraulic cylinder guide sleeve, described guide sleeve is a cylindrical body nested structure, be threaded and be fixed on the front cover of oil hydraulic cylinder, it is characterized in that: described locking device is " " that the inner end offers arc groove " the type structure; be nested with at the sidepiece of guide sleeve and with the front cover of oil hydraulic cylinder and fix, be provided with a boss in the central position of arc groove, accordingly; the sidepiece at guide sleeve is provided with a concave surface chamber, fix in the concave surface chamber of described boss embedding guide sleeve.
2. according to the locking device of the described oil hydraulic cylinder guide sleeve of claim 1, the groove surface that it is characterized in that described arc groove is for semicircle, with the outside of guide sleeve size coupling just in time.
3. according to the locking device of the described oil hydraulic cylinder guide sleeve of claim 1, the outer end that it is characterized in that described locking device is provided with 2-3 through hole, the front cover of described oil hydraulic cylinder is provided with the respective threads hole, by the fixed block screw locking device is fixed on the front cover.
4. locking device according to claim 3 is characterized in that described through hole is 2, and described fixed block is 2 outer-hexagonal screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120040112 CN201934420U (en) | 2011-02-14 | 2011-02-14 | Anti-loosening device for hydraulic cylinder guide sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120040112 CN201934420U (en) | 2011-02-14 | 2011-02-14 | Anti-loosening device for hydraulic cylinder guide sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201934420U true CN201934420U (en) | 2011-08-17 |
Family
ID=44445939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120040112 Expired - Fee Related CN201934420U (en) | 2011-02-14 | 2011-02-14 | Anti-loosening device for hydraulic cylinder guide sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201934420U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235114A (en) * | 2013-06-12 | 2014-12-24 | 株式会社小金井 | Fluid pressure cylinder |
-
2011
- 2011-02-14 CN CN 201120040112 patent/CN201934420U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235114A (en) * | 2013-06-12 | 2014-12-24 | 株式会社小金井 | Fluid pressure cylinder |
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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 |
Granted publication date: 20110817 Termination date: 20170214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |