CN201535286U - Double-acting hydraulic cylinder of horizontal roll mill - Google Patents
Double-acting hydraulic cylinder of horizontal roll mill Download PDFInfo
- Publication number
- CN201535286U CN201535286U CN2009202363926U CN200920236392U CN201535286U CN 201535286 U CN201535286 U CN 201535286U CN 2009202363926 U CN2009202363926 U CN 2009202363926U CN 200920236392 U CN200920236392 U CN 200920236392U CN 201535286 U CN201535286 U CN 201535286U
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- piston rod
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- cylinder
- roll mill
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Abstract
The utility model provides a double-acting hydraulic cylinder of a horizontal roll mill, which has reasonable structure, convenient adjustment, easy press roller control and safe distance between tube bodies. The double-acting hydraulic cylinder of a horizontal roll mill comprises a piston rod, a limiting block, a clamping bolt screw, a cylinder cover, a clamping bolt, a cylinder body, a piston and a self-locking nut, wherein the cylinder body and the cylinder cover are connected in one piece through the clamping bolt; the limiting block is positioned on the top portion of the cylinder cover and fixed with the cylinder cover through the clamping screw; the piston is positioned in the lower portion of the piston rod and fixed through the self-locking nut, the top end of the piston is T-shaped, and the distance from the bottom portion of the piston rod to the bottom portion of the cylinder body is much larger than the thickness of the limiting block. The double-acting hydraulic cylinder of a horizontal roll mill is reasonable in structure and convenient for adjusting, a compression roller, the cylinder body and the double-acting hydraulic cylinder are effectively protected, the working efficiency is enhanced, the operation cost is reduced, and the safety and reliability of the horizontal roll mill are increased.
Description
Technical field
The utility model relates to the roller mill hydraulic system that crouches, particularly a kind of roller mill double-act-ing hydraulic J-Horner for sleeping in.
Background technique
When the roller grinder that crouches is done, hydraulic system is to the rod chamber pressurization of double-act-ing hydraulic J-Horner, pull down dynamic pressure roller the material in the cylindrical shell is pushed grinding, double-act-ing hydraulic J-Horner piston rod in roller for sleeping in mill running is because thickness of feed layer changes and is not parked in and does fore and aft motion between pressure roller and cylindrical shell.When the bed of material between pressure roller and cylindrical shell is lower than its design safety distance or does not expect at all, at this moment pressure roller will bump against with cylindrical shell under the effect of hydraulic system, and the hardfacing materials in crouch roller mill roller surface resurfacing welding material and cylindrical shell grinding district is the expensive wear-resisting material, good but the impact resistance not of its wear resistance, its surface wear-resistant layer can bulk come off when pressure roller and cylindrical shell generation bump, directly have influence on the life-span of pressure roller and cylindrical shell wearing layer, even the roller mill stopping production that causes crouching is repaired.
At present, the roller mill main frame itself that crouches can't provide a kind of and can bear powerful impact, and prevent the directly device of bump of pressure roller and cylindrical shell again, for addressing this problem the method that generally adopts, be to be depressed into the double-act-ing hydraulic J-Horner piston rod minimum, allow the bottom of double-act-ing hydraulic J-Horner piston directly touch the bottom of double-act-ing hydraulic J-Horner, guarantee that the distance between pressure roller and cylindrical shell is not less than the design safety distance.Though this way has been avoided the bump of pressure roller and cylindrical shell; protected the wearing layer of pressure roller and cylindrical shell; but because the bottom of double-act-ing hydraulic J-Horner piston and the bottom of double-act-ing hydraulic J-Horner directly contact, the bump that produces under the effect of double-act-ing hydraulic J-Horner rod chamber working pressure has caused grievous injury to double-act-ing hydraulic J-Horner again.And when the wearing layer of pressure roller and the cylindrical shell certain thickness that worn and torn, the double-act-ing hydraulic J-Horner piston rod is depressed into and minimumly can not guarantees the design safety distance between pressure roller and the cylindrical shell and need readjust the time, the structural imperfection of existing double-act-ing hydraulic J-Horner can't more easily address this problem.
The model utility content
Technical problem to be solved in the utility model is, at the deficiencies in the prior art, provide a kind of rational in infrastructure, easy to adjust, control the roller mill double-act-ing hydraulic J-Horner for sleeping in of design safety distance between pressure roller and cylindrical shell easily.
The technical scheme in the invention for solving the technical problem is: comprise piston rod, limiting stopper, clamp-screw, cylinder cap, clamping bolt, cylinder body, piston, self-locking nut; Cylinder body is connected as a whole with cylinder cap by clamping bolt; Limiting stopper places the top of cylinder cap, fixes by clamp-screw and cylinder cap; Piston places underpart of the piston rod, fixes with self-locking nut; Above-mentioned piston rod end shape is a T shape, moves up and down in cylinder body with piston and self-locking nut, and the thickness of the distance of cylinder base greater than limiting stopper is arrived in the piston rod bottom.
When roller grinder for sleeping in is done, the roller mill hydraulic system that crouches is pressurizeed to the double-act-ing hydraulic J-Horner rod chamber, piston rod moves downward the pulling pressure roller material in the cylindrical shell is carried out grinding, do in the process in roller grinder for sleeping in, piston rod constantly changes because of thickness of feed layer between pressure roller and cylindrical shell and ceaselessly moves up and down in cylinder body.
When the bed of material between pressure roller and cylindrical shell is lower than its design safety distance or does not expect at all, collide in the T shape top of piston rod and the top of limiting stopper, stoped piston rod further to move downward, guaranteed the design safety distance between pressure roller and cylindrical shell, this moment, the pressure of whole hydraulic system no longer acted on pressure roller, and be converted into based on the T shape top of piston rod and the mechanical force of the impact force between the limiting stopper, guaranteed that pressure roller and cylindrical shell are not impacted, simultaneously because the thickness of the distance of cylinder base greater than limiting stopper is arrived in the piston rod bottom, when collide in the top of the T of piston rod shape top and limiting stopper, the piston rod bottom can not bump against cylinder base, limiting stopper has pooling feature, remaining impact force can absorb most impact force, so can not damage to double-act-ing hydraulic J-Horner.
And when the wearing layer of pressure roller and the cylindrical shell certain thickness that worn and torn, the T shape top of piston rod and the top of limiting stopper collide can not guarantee between pressure roller and the cylindrical shell design safety apart from the time, as long as the thickness of adjustment limiting stopper.
The beneficial effects of the utility model are: rational in infrastructure, easy to adjust, protected pressure roller, cylindrical shell and double-act-ing hydraulic J-Horner effectively, and improved working efficiency, reduced operating cost, increased the safety reliability of roller mill for sleeping in.
Description of drawings
Describe in detail bright below in conjunction with the drawings and specific embodiments furtherly to the utility model.
Fig. 1 makes schematic representation for the roller grinder that crouches;
Fig. 2 is the double-act-ing hydraulic J-Horner structural representation;
Among the figure: 1 is that cylindrical shell, 2 is that pressure roller, 3 is that double-act-ing hydraulic J-Horner, 4-1 are that piston rod, 4-2 are that limiting stopper, 4-3 are that clamp-screw, 4-4 are that clamping bolt, 4-5 are that cylinder cap, 4-6 are that cylinder body, 4-7 are that piston, 4-8 are self-locking nut for connecting earrings, 4.
Concrete implementing method
Present embodiment double-act-ing hydraulic J-Horner 4 comprises piston rod 4-1, limiting stopper 4-2, clamp-screw 4-3, clamping bolt 4-4, cylinder cap 4-5, cylinder body 4-6, piston 4-7, self-locking nut 4-8.
Cylinder body 4-6 is connected as a whole with cylinder cap 4-5 by clamping bolt 4-4;
Limiting stopper 4-2 places the top of cylinder cap 4-5, fixes by clamp-screw 4-3 and cylinder cap 4-5;
Piston 4-7 places piston rod 4-1 bottom, and 4-8 fixes with self-locking nut, prevent piston 4-7 because of inertial collision power from piston rod 4-1 bottom landing;
Above-mentioned piston rod 4-1 end shape is a T shape, moves up and down in cylinder body 4-6 with piston 4-7 and self-locking nut 4-8, and piston rod 4-1 arrives the bottom thickness of the distance of cylinder body 4-6 bottom greater than limiting stopper 4-2.
When roller grinder for sleeping in is done, the rod chamber pressurization of the roller mill hydraulic system that crouches to double-act-ing hydraulic J-Horner 4, piston rod 4-1 moves downward, carry out grinding by the material that connects in 2 pairs of cylindrical shells of earrings 3 pulling pressure rollers 1, do in the process in roller grinder for sleeping in, piston rod 4-1 ceaselessly moves up and down in cylinder body 4-6 because pressure roller 2 and 1 thickness of feed layer of cylindrical shell constantly change.
When pressure roller 2 and 1 bed of material of cylindrical shell are lower than its design safety distance or do not expect at all, collide in the T shape top of piston rod 4-1 and the top of limiting stopper 4-2, stoped piston rod 4-1 further to move downward, guaranteed the design safety distance of 1 of pressure roller 2 and cylindrical shell, this moment, the pressure of whole hydraulic system no longer acted on pressure roller 2, and be converted into based on the T shape top of piston rod 4-1 and the mechanical force of the impact force between the limiting stopper 4-2, guaranteed that pressure roller 2 and cylindrical shell 1 are not impacted, simultaneously because the thickness of the distance of cylinder body 4-6 bottom greater than limiting stopper 4-2 is arrived in piston rod 4-1 bottom, when collide in the top of the T of piston rod 4-1 shape top and limiting stopper 4-2, piston rod 4-1 bottom can not bump against cylinder body 4-6 bottom, so remaining impact force can not damage double-act-ing hydraulic J-Horner 4.
And when the wearing layer of pressure roller 2 and cylindrical shell 1 certain thickness that worn and torn, the T shape top of piston rod 4-1 and the top of limiting stopper 4-2 collide can not guarantee between pressure roller 2 and the cylindrical shell 1 design safety apart from the time, as long as adjustment limiting stopper 4-2 thickness.
The utility model has been protected pressure roller 2, cylindrical shell 3 and double-act-ing hydraulic J-Horner 4 effectively, has improved working efficiency, has reduced operating cost, has increased the safety reliability of roller mill for sleeping in.
Claims (3)
1. a roller mill double-act-ing hydraulic J-Horner for sleeping in comprises piston rod, cylinder body, piston, and it is characterized in that: also comprise limiting stopper and cylinder cap, cylinder body is connected as a whole with cylinder cap by clamping bolt; Limiting stopper places the top of cylinder cap, fixes by clamp-screw and cylinder cap.
2. according to the described a kind of roller mill double-act-ing hydraulic J-Horner for sleeping in of claim 1, it is characterized in that: the piston rod afterbody is provided with the self-locking nut fixed piston.
3. according to the described a kind of roller mill double-act-ing hydraulic J-Horner for sleeping in of claim 1, it is characterized in that: described piston rod end shape is a T shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202363926U CN201535286U (en) | 2009-09-28 | 2009-09-28 | Double-acting hydraulic cylinder of horizontal roll mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202363926U CN201535286U (en) | 2009-09-28 | 2009-09-28 | Double-acting hydraulic cylinder of horizontal roll mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201535286U true CN201535286U (en) | 2010-07-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202363926U Expired - Fee Related CN201535286U (en) | 2009-09-28 | 2009-09-28 | Double-acting hydraulic cylinder of horizontal roll mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201535286U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103920562A (en) * | 2014-03-10 | 2014-07-16 | 浙江双金机械集团股份有限公司 | Hydraulic lock type cone sand-making machine and locking method |
| CN110421338A (en) * | 2019-08-06 | 2019-11-08 | 浙江双环传动机械股份有限公司 | A kind of relocatable taper pin press-loading apparatus of pressure head |
-
2009
- 2009-09-28 CN CN2009202363926U patent/CN201535286U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103920562A (en) * | 2014-03-10 | 2014-07-16 | 浙江双金机械集团股份有限公司 | Hydraulic lock type cone sand-making machine and locking method |
| CN103920562B (en) * | 2014-03-10 | 2017-01-11 | 浙江双金机械集团股份有限公司 | Hydraulic lock type cone sand-making machine and locking method |
| CN110421338A (en) * | 2019-08-06 | 2019-11-08 | 浙江双环传动机械股份有限公司 | A kind of relocatable taper pin press-loading apparatus of pressure head |
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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: 20100728 Termination date: 20160928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |