CN105414196A - Hydraulic locking device - Google Patents
Hydraulic locking device Download PDFInfo
- Publication number
- CN105414196A CN105414196A CN201511031278.6A CN201511031278A CN105414196A CN 105414196 A CN105414196 A CN 105414196A CN 201511031278 A CN201511031278 A CN 201511031278A CN 105414196 A CN105414196 A CN 105414196A
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- shaped
- roll
- shaped oil
- pushing
- Prior art date
- 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.)
- Granted
Links
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 69
- 239000012530 fluid Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/07—Adaptation of roll neck bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/07—Adaptation of roll neck bearings
- B21B31/074—Oil film bearings, e.g. "Morgoil" bearings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention provides a U-shaped oil cylinder locking device. The U-shaped oil cylinder locking device comprises an U-shaped oil cylinder, a pushing assembly, a block cover and a locking part, wherein the pushing assembly comprises an inserting part, a first pushing part and a second pushing part, the inserting part extends into the U-shaped oil cylinder and defines a first oil cavity communicated with a first oil channel with the U-shaped oil cylinder, and the pushing assembly can move in the axial direction of a roller, so that the first pushing part can push a thrust bearing and the second pushing part can push a box cover assembly; the block cover defines a second oil cavity communicated with a second oil channel with the U-shaped oil cylinder and the pushing assembly, and the locking part is connected with the U-shaped oil cylinder and can be propped against the pushing assembly; when oil is injected to the first oil cavity through the first oil channel, the pushing assembly is pushed, faces a first direction and moves in the axial direction of the roller, so that the first pushing part pushes the thrust bearing; when the oil is injected to the second oil cavity through the second oil channel, the pushing assembly is pushed, faces a second direction and moves in the axial direction of the roller, and accordingly, the second pushing part pushes the box cover assembly.
Description
Technical field
The present invention relates to a kind of locking device, particularly relating to a kind of hydraulic locking apparatus for filmatic bearing and roll being locked.
Background technology
Filmatic bearing is the critical component of milling train, is made up of parts such as radial bogey, axial carrying device, locking device, sealing devices.
Filmatic bearing is locked on roll by locking device, and current mechanical lock is one of main locking mode of filmatic bearing.
Mechanical locking device as shown in Figure 1, it comprises locking nut 1, volution 2, square key 3, snap ring 4, latch 5 and screw 6.Filmatic bearing 100 comprises the bearing main body 110, thrust bearing 120 and the case lid assembly 130 that interconnect.During locking, volution 2 is relative with roll 200 with snap ring 4 fixing by square key 3, by wirerope-winding on locking nut 1, then driving is utilized to pull steel wire rope, rotation lock nut 1 produces and moves axially (being moved to the left), promote thrust bearing 120 to be axially in place by bearing main body 110, namely the conical surface S1 of the bearing main body 110 and conical surface S2 of roll 200 fits.Finally with screw 7, latch 5 is fixed on locking nut 1, prevents it from loosening.During dismounting, to dismantle latch 5, steel wire rope is pulled with driving, rotate backward locking nut 1 generation to move axially (moving right), promote case lid assembly 130 outwards to move (moving right), thus filmatic bearing is disassembled from roll, that is, the conical surface S1 of the bearing main body 110 and conical surface S2 of roll 200 departs from.There is following defect in this mechanical interlocking mode: if selection of steel is improper, there is the danger that steel wire rope snaps, and locking degree also cannot fixing quantity, only has and is judged by operating personnel's experience; Take running time during locking longer simultaneously, affect the operation of other operations.
Summary of the invention
Based on the problems referred to above, the invention provides a kind of U-shaped hydraulic locking apparatus, its possibility that can not only reduce operating personnel's working strength and have an accident, and compact conformation, make full use of the device space.
For reaching above-mentioned purpose, the invention provides a kind of U-shaped oil cylinder locking device, for filmatic bearing and roll are locked, filmatic bearing comprises bearing main body, thrust bearing and case lid assembly, case lid assembly is all connected with bearing main body with thrust bearing, and hydraulic locking apparatus comprises U-shaped oil cylinder, pushing member, door and sticking department.
U-shaped oil cylinder is installed on roll, and U-shaped oil cylinder offers the first oil duct and the second oil duct.Pushing member comprises insertion section, the first pushing part and the second pushing part, insertion section is stretched in U-shaped oil cylinder, and limit with U-shaped oil cylinder the first oil pocket be communicated with the first oil duct, pushing member can along the axially-movable of roll, make the first pushing part to promote thrust bearing, and the second pushing part can promote case lid assembly.Door is assemblied on U-shaped oil cylinder, along the axially-movable of roll, and can limit with U-shaped oil cylinder and pushing member the second oil pocket be communicated with the second oil duct.Sticking department is connected with U-shaped oil cylinder, and can support pushing member.
Wherein, when via the first oil duct to the first oil pocket oiling time, pushing member is pushed and towards first direction along the axially-movable of roll, makes the first pushing part promote thrust bearing; When via the second oil duct to the second oil pocket oiling time, pushing member is pushed and towards second direction along the axially-movable of roll, makes the second pushing part promote case lid assembly.
The present invention is compared to the beneficial effect of prior art: U-shaped fluid pressure type locking device of the present invention improves precision and the speed of locking compared to existing mechanical lock, the possibility reducing operating personnel's working strength and have an accident, extends the service life of retaining mechanism.And, U-shaped fluid pressure type locking device of the present invention adopts U-shaped oil cylinder, therefore the axial dimension of compact conformation, device is little, make full use of radial space, expand oil chamber volume, therefore, larger coupling mechanism force can be provided in same oil pressure, and without the need to changing former roll structure and size, the improvement cost of roll structure therefore can not be produced.
Accompanying drawing explanation
Fig. 1 is the schematic diagram utilizing existing mechanical locking device to lock filmatic bearing.
Fig. 2 is the schematic diagram utilizing U-shaped oil cylinder locking device of the present invention to lock filmatic bearing.
Fig. 3 is the stereogram of the U-shaped oil cylinder of U-shaped oil cylinder locking device of the present invention.
Detailed description of the invention
More fully example embodiment is described referring now to accompanying drawing.But example embodiment can be implemented in a variety of forms, and should not be understood to be limited to embodiment set forth herein; On the contrary, provide these embodiments to make the present invention more comprehensively with complete, and the design of example embodiment is conveyed to those skilled in the art all sidedly.In the drawings, in order to clear, may be exaggerated the thickness of region and layer.Reference numeral identical in the drawings represents same or similar structure, thus will omit their detailed description.
In addition, described feature, structure or characteristic can be combined in one or more embodiment in any suitable manner.In the following description, provide many details thus provide fully understanding embodiments of the invention.But, one of skill in the art will appreciate that and can put into practice technical scheme of the present invention and not have in described specific detail one or more, or other method, constituent element, material etc. can be adopted.In other cases, known features, material or operation is not shown specifically or describes to avoid fuzzy major technique intention of the present invention.
With reference to shown in Fig. 2, the invention provides a kind of U-shaped oil cylinder locking device, for realizing locking and the dismounting of filmatic bearing 100 and roll 200.The structure of filmatic bearing 100 is identical with existing structure, and it comprises bearing main body 110, thrust bearing 120 and case lid assembly 130, and case lid assembly 130 is all connected with bearing main body 110 with thrust bearing 120.Filmatic bearing 100 and roll lock the locking mode of 200 also as prior art, namely, by promoting thrust bearing 120, the conical surface of bearing main body 110 and the conical surface of roll 200 are fitted, realize filmatic bearing 100 to lock with roll 200, by oppositely promoting case lid assembly 130, the conical surface of bearing main body 110 and the conical surface of roll 200 being fitted, realizing filmatic bearing 100 and contacting with roll 200 and lock.
U-shaped oil cylinder locking device comprises U-shaped oil cylinder 10, pushing member 20, door 30 and sticking department 40.U-shaped oil cylinder 10 is installed on roll 200, and U-shaped oil cylinder 10 is offered the first oil duct 11 and the second oil duct 12, first oil duct 11 and the second oil duct 12 and is respectively equipped with the first joint P1 and the second joint P2, to be connected with the joint (not shown) of hydraulic trolley.
Pushing member 20 comprises pushing part, insertion section 21, first 22 and the second pushing part 23, insertion section 21 is stretched in U-shaped oil cylinder 10, and limit with U-shaped oil cylinder 10 the first oil pocket A be communicated with the first oil duct 11, pushing member 20 can along the axially-movable of roll 200, make the first pushing part 22 can promote thrust bearing 120, and the second pushing part 23 can promote case lid assembly 130.
As shown in Figure 3, the base plate 15 that U-shaped oil cylinder 10 comprises outer shroud 13, inner ring 14 and is connected between outer shroud 13 and inner ring 14, therefore, the cross section that the diameter being extended down to U-shaped oil cylinder 10 intercepts is roughly two symmetrical U-shapeds, Figure 2 shows that the part in the cross section of U-shaped oil cylinder 10.
Door 30 is assemblied on U-shaped oil cylinder 10, limits with U-shaped oil cylinder 10 and pushing member 20 the second oil pocket B be communicated with the second oil duct 12.
Sticking department 40 is connected with U-shaped oil cylinder 10, and can support pushing member 20, prevents pushing member 20 travelling backwards.In the present embodiment, sticking department 40 is clamping screw, and it adopts with U-shaped oil cylinder 10 and is threaded, thus after removing hydraulic oil, also can ensure that pushing member 20 holds out against thrust bearing 120.
Wherein, when via the first oil duct 11 to the first oil pocket A oiling time, pushing member 20 is pushed and axially-movable towards first direction along roll 200 (in Fig. 2 for left movement), makes the first pushing part 22 promote thrust bearing 120; When via the second oil duct 12 to the second oil pocket B oiling time, pushing member 20 is pushed and axially-movable (for moving right in Fig. 2) towards second direction along roll 200, makes the second pushing part 23 promote case lid assembly 130.
Therefore, U-shaped fluid pressure type locking device of the present invention improves precision and the speed of locking compared to existing mechanical lock, the possibility reducing operating personnel's working strength He have an accident, and extends the service life of retaining mechanism.And, U-shaped fluid pressure type locking device of the present invention adopts U-shaped oil cylinder, therefore the axial dimension of compact conformation, device is little, make full use of radial space, expand oil chamber volume, therefore, larger coupling mechanism force can be provided in same oil pressure, and without the need to changing former roll structure and size, the improvement cost of roll structure therefore can not be produced.
In the present embodiment, U-shaped oil cylinder locking device also can comprise card fixing component 50, and it is between U-shaped oil cylinder 10 and roll 200, for by U-shaped oil cylinder 10 relative to the circumference of roll 200 and axial restraint.
Wherein, with reference to shown in Fig. 2 and Fig. 3, also can recessed draw-in groove 16 on the inwall of the inner ring 14 of U-shaped oil cylinder 10.Card fixing component 50 can comprise square key 51 and snap ring 52, and square key 51 is located between the draw-in groove 16 of U-shaped oil cylinder 10 and roll 200, thus restriction U-shaped oil cylinder 10 is fixed relative to the circumference of roll 200.Between the end face that snap ring 52 is located in the base plate 15 of U-shaped oil cylinder 10 and roll 200, thus prevent U-shaped oil cylinder 10 from moving towards the direction away from filmatic bearing vertically.
In addition, also can seal be set between multiple parts of U-shaped oil cylinder locking device, prevents hydraulic oil from leaking, such as, seal is set at A1-A4 place.
Below to how utilizing the hydraulic locking apparatus of the present embodiment to realize the locking of filmatic bearing and roll and dismounting is described:
During locking, be connected by hydraulic trolley fuel inlet fitting with the first joint P1, back leakage connection is connected with the second joint P2.Start hydraulic trolley, hydraulic oil is input in the first oil pocket A, produce axial force and make U-shaped oil cylinder 10 hold out against snap ring 52, promote pushing member 20 to left movement simultaneously, coupling mechanism force is delivered to thrust bearing 120, thus filmatic bearing is axially assembled on roll 200.After locking puts in place, sticking department 40 is installed, makes it hold out against pushing member 20, thus prevent pushing member 20 travelling backwards.Finally hydraulic trolley joint is pulled out locking work.
During dismounting, exit tight lock part 40; Be connected with the second joint P2 by the fuel inlet fitting of hydraulic trolley, back leakage connection is connected with the first joint P1; Start hydraulic trolley, hydraulic oil is input to the second oil pocket B of locking device, hydrodynamic force makes door 30 move to left and holds out against the end face of roll 200, promote pushing member 20 to move to right simultaneously, second pushing part 23 of pushing member 20 drives case lid assembly 130 to move right together, filmatic bearing is separated with roll 200, finally hydraulic trolley joint has been pulled out dismantlement work.
In sum, U-shaped fluid pressure type locking device of the present invention improves precision and the speed of locking compared to existing mechanical lock, the possibility reducing operating personnel's working strength He have an accident, and extends the service life of retaining mechanism.And, U-shaped fluid pressure type locking device of the present invention adopts U-shaped oil cylinder, therefore the axial dimension of compact conformation, device is little, make full use of radial space, expand oil chamber volume, therefore, larger coupling mechanism force can be provided in same oil pressure, and without the need to changing former roll structure and size, the improvement cost of roll structure therefore can not be produced.
Although exemplary embodiment describe the present invention with reference to several, should be appreciated that term used illustrates and exemplary and nonrestrictive term.Spirit or the essence of invention is not departed from because the present invention can specifically implement in a variety of forms, so be to be understood that, above-described embodiment is not limited to any aforesaid details, and explain widely in the spirit and scope that should limit in claim of enclosing, therefore fall into whole change in claim or its equivalent scope and remodeling and all should be claim of enclosing and contained.
Claims (6)
1. a U-shaped hydraulic locking apparatus, for filmatic bearing and roll being locked, filmatic bearing comprises bearing main body, thrust bearing and case lid assembly, and case lid assembly is all connected with bearing main body with thrust bearing;
U-shaped hydraulic locking apparatus comprises:
U-shaped oil cylinder, it is installed on roll, and U-shaped oil cylinder offers the first oil duct and the second oil duct;
Pushing member, it comprises insertion section, the first pushing part and the second pushing part, insertion section is stretched in U-shaped oil cylinder, and limit with U-shaped oil cylinder the first oil pocket be communicated with the first oil duct, pushing member can along the axially-movable of roll, make the first pushing part to promote thrust bearing, and the second pushing part can promote case lid assembly;
Door, is assemblied on U-shaped oil cylinder, along the axially-movable of roll, and can limit with U-shaped oil cylinder and pushing member the second oil pocket be communicated with the second oil duct; And
Sticking department, it is connected with U-shaped oil cylinder, and can support pushing member;
Wherein, when via the first oil duct to the first oil pocket oiling time, pushing member is pushed and towards first direction along the axially-movable of roll, makes the first pushing part promote thrust bearing; When via the second oil duct to the second oil pocket oiling time, pushing member is pushed and towards second direction along the axially-movable of roll, makes the second pushing part promote case lid assembly.
2. U-shaped hydraulic locking apparatus as claimed in claim 1, wherein, also comprise card fixing component, it is between U-shaped oil cylinder and roll, for U-shaped oil cylinder is fixed on roll.
3. U-shaped hydraulic locking apparatus as claimed in claim 2, wherein, the base plate that U-shaped oil cylinder comprises outer shroud, inner ring and is connected between outer shroud and inner ring, recessed draw-in groove on the inwall of inner ring; Card fixing component comprises square key and snap ring, and square key is located between draw-in groove and roll, between the base plate that snap ring is located in U-shaped oil cylinder and roll.
4. U-shaped hydraulic locking apparatus as claimed in claim 3, wherein, the inner side of door and pushing member are fitted, door and U-shaped oil cylinder with bolts, the end thereof contacts of the portion outboard of door and the close filmatic bearing of U-shaped oil cylinder, insertion section is limited between door and U-shaped oil cylinder.
5. U-shaped hydraulic locking apparatus as claimed in claim 4, wherein, when in the second oil pocket not by oiling time, between door and roll, there is gap, in the process to oiling in the second oil pocket, door moves to door together with U-shaped oil cylinder along first direction and roll is supported, and pushing member moves to the second pushing part along second direction promotes case lid assembly.
6. U-shaped hydraulic locking apparatus as claimed in claim 1, wherein, sticking department is bolt, and it is threaded with U-shaped oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511031278.6A CN105414196B (en) | 2015-12-31 | 2015-12-31 | A kind of hydraulic locking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511031278.6A CN105414196B (en) | 2015-12-31 | 2015-12-31 | A kind of hydraulic locking apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105414196A true CN105414196A (en) | 2016-03-23 |
| CN105414196B CN105414196B (en) | 2017-11-14 |
Family
ID=55492982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511031278.6A Expired - Fee Related CN105414196B (en) | 2015-12-31 | 2015-12-31 | A kind of hydraulic locking apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105414196B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1287894A (en) * | 1999-07-13 | 2001-03-21 | 摩根建设公司 | Bushing of oil film bearing |
| CN101279327A (en) * | 2007-04-03 | 2008-10-08 | 摩根建设公司 | Apparatus for urging an oil film bearing onto and off of a roll neck in a rolling mill |
| EP2033720A1 (en) * | 2007-09-05 | 2009-03-11 | Morgan Construction Company | Mechanical lock for rolling mill oil film bearing |
| CN102052368A (en) * | 2010-12-08 | 2011-05-11 | 太原重工股份有限公司 | Internal-groove type locking device of oil film bearing |
| CN102230499A (en) * | 2011-03-30 | 2011-11-02 | 太原重工股份有限公司 | Hydraulic rapid locking device for oil film bearing |
| RU2481164C1 (en) * | 2012-02-08 | 2013-05-10 | Открытое акционерное общество "Электростальский завод тяжелого машиностроения" | Rolling mill fluid friction bearing |
-
2015
- 2015-12-31 CN CN201511031278.6A patent/CN105414196B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1287894A (en) * | 1999-07-13 | 2001-03-21 | 摩根建设公司 | Bushing of oil film bearing |
| CN101279327A (en) * | 2007-04-03 | 2008-10-08 | 摩根建设公司 | Apparatus for urging an oil film bearing onto and off of a roll neck in a rolling mill |
| EP2033720A1 (en) * | 2007-09-05 | 2009-03-11 | Morgan Construction Company | Mechanical lock for rolling mill oil film bearing |
| CN102052368A (en) * | 2010-12-08 | 2011-05-11 | 太原重工股份有限公司 | Internal-groove type locking device of oil film bearing |
| CN102230499A (en) * | 2011-03-30 | 2011-11-02 | 太原重工股份有限公司 | Hydraulic rapid locking device for oil film bearing |
| RU2481164C1 (en) * | 2012-02-08 | 2013-05-10 | Открытое акционерное общество "Электростальский завод тяжелого машиностроения" | Rolling mill fluid friction bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105414196B (en) | 2017-11-14 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20171114 |