CN202079377U - Rolling device for bolt-connecting hole - Google Patents
Rolling device for bolt-connecting hole Download PDFInfo
- Publication number
- CN202079377U CN202079377U CN2010206228786U CN201020622878U CN202079377U CN 202079377 U CN202079377 U CN 202079377U CN 2010206228786 U CN2010206228786 U CN 2010206228786U CN 201020622878 U CN201020622878 U CN 201020622878U CN 202079377 U CN202079377 U CN 202079377U
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- CN
- China
- Prior art keywords
- main shaft
- shaft
- taper
- bolt
- adapter sleeve
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a rolling device for bolt-connecting holes, which is used for the pressurized processing of the inner surfaces of the bolt-connecting holes and comprises a plurality of rolling pieces, a connecting sleeve, a main shaft and an assembling shaft, wherein the main shaft is axially positioned on the connecting sleeve through the matching of a fastening piece and a positioning sleeve, the rolling pieces are conical rollers, are assembled in rolling-piece cavities of the assembling shaft and are locked through conical window holes on the assembling shaft, a conical extruding part of the main shaft is assembled in an extruding cavity of the assembling shaft in a penetrating mode, the assembling shaft is in threaded connection with the connecting sleeve, and the conical extruding part of the main shaft is driven through threaded feeding to enable the roller surface of each conical roller to be extruded out of each conical window hole. The roller surfaces extruded out of the conical window holes are closely contacted with the inner surfaces of bolt holes which are in hinged connection, and the surface-contact type extrusion for the inner surfaces of the bolt holes which are in hinged connection is carried out, so that the surface finish quality of the bolt holes is improved. The rolling device for the bolt-connecting holes has the advantages of simple structure, convenience in use and high processing efficiency.
Description
Technical field
The utility model relates to a kind of pressurized treatments or fine finishining of metal surface, especially a kind of rolling device that is used to improve the bolt connecting hole of bolt connecting hole inner surface quality.
Background technology
We know, axle ties up to and takies very consequence in the boats and ships, all will take articulation hole to connect when adopting bolt to be connected between its two jackshaft or between jackshaft and the stern tube shaft, so the requirement of the articulation connecting bolt internal surface of hole roughness between marine shafting is very high with bolt.But in the fraising process, along with the passivation gradually of reamer, the surface roughness of institute's articulation bolt internal surface of hole also increases gradually.In order to improve the fineness of articulation bolt internal surface of hole, adopt rolling device the articulation bolt internal surface of hole has been carried out pressurized treatments.For example: in the CN87205639U China utility application specification of announcing on January 20th, 1988 disclosed " adjustable inner hole-rolling tool ", it mainly is made of body, adjustment screw, thrust bearing, fulcrum ball, ball etc., ball is on 33 holes that are arranged on body well-balancedly, these 3 balls are subjected to its inboard and hold the crowded of ball and push away, fulcrum ball is subjected to the control of thrust bearing again, and thrust bearing then is subjected to the adjusting of adjustment screw.The processing dimension of this inner hole-rolling tool is adjustable, and versatility is wide.And for example, in the CN2366224Y China utility model patent specification of announcing on March 1st, 2000 disclosed " two-wheeled endoporus polishing rolling device ", it comprises that parts such as connecting rod, roller, axle, support, spring, small cylinder, through hole, keyway and step constitute; Vertical through hole is arranged in the connecting rod, the support that is connected with axle is installed in the through hole and is with the small cylinder that compresses spring; Roller is installed on the axle and can rotates freely, and axle is installed in the keyway and can moves up and down.This rolling device has overcome " pit " and " peeling " phenomenon that workpiece hole wall processing back appears in the rigidity roll extrusion, is suitable for the endoporus fine finishining of large-scale workpiece.But above-mentioned disclosed rolling tools (or device), its roll extrusion force-applying piece (ball or roller) contacts with the roll extrusion of workpiece bore area to the line contact, exists the low deficiency of working (machining) efficiency.
Summary of the invention
For overcome roll extrusion force-applying piece in the prior art contact with line between the workpiece bore area and cause the low deficiency of working (machining) efficiency, the utility model provide a kind of simple in structure, cost is low, easy to use, rolling device that bolt that machining accuracy is high, working (machining) efficiency is high connects endoporus.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of bolt connects the rolling device of endoporus, and it comprises several roll extrusion parts, and it is characterized in that: it also comprises
One adapter sleeve, coaxial line offers the support chamber of a connection chamber, a bearing bore and a connection connection chamber, bearing bore on the body of this adapter sleeve;
One main shaft, this main shaft is to extrude portion's one by a rotation section, a securing member connecting portion, a support portion and a taper successively to form, wherein said main shaft support portion runs through and is assemblied in the described adapter sleeve support chamber, extrude suit one positioning sleeve on the support portion between portion and the adapter sleeve connection chamber in the main shaft taper, be equipped with a bearing on the support portion in the adapter sleeve bearing bore, be equipped with a securing member on the described main shaft securing member connecting portion, this securing member cooperates with positioning sleeve main shaft axial location on adapter sleeve;
One assembled shaft, this assembled shaft is made up of a junction and department of assembly's one, its place, axle center connects and has an extruding cavity, outer circumferential surface in this assembled shaft department of assembly has some roll extrusion parts chamber to the sagittal plane between the extruding cavity, correspondence has the taper fenestra that is connected with roll extrusion part chamber on the circumferential surface outside the department of assembly, and wherein said assembled shaft connecting portion is threaded with described adapter sleeve connection chamber;
Described roll extrusion part is a tapered rollers, this tapered rollers correspondence is assemblied in the roll extrusion part chamber of assembled shaft, and pin by the taper fenestra on the circumferential surface outside the department of assembly, the taper portion of extruding of described main shaft runs through in the extruding cavity that is assemblied in assembled shaft, the roll surface of tapered rollers is extruded the taper fenestra by the main shaft taper portion of extruding, and the connecting line of its roll surface is on the same periphery.
The above-mentioned securing member that is assemblied on the main shaft securing member connecting portion is a clamp nut that is threaded with main shaft securing member connecting portion.
The above-mentioned bearing that is assemblied in the interior main shaft support portion of adapter sleeve bearing bore is a thrust bearing.
The utility model is that the tapered rollers in the assembled shaft roll extrusion part chamber is extruded the taper fenestra on the circumferential surface outside the department of assembly through the main shaft taper portion of extruding, closely contact with articulation connecting bolt internal surface of hole, driving tapered rollers by rotating spindle rotates, thereby the bolt hole inner surface is pushed, thereby improved the surface smoothness of bolt hole inner surface, tapered rollers is that face contacts with the bolt hole inner surface, has improved working (machining) efficiency greatly.Compared with prior art, the utlity model has simple in structure, easy to manufacture, with low cost, easy to use, advantage of high processing efficiency.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described further.
Fig. 1 is a kind of structure master's cutaway view of the present utility model.
Fig. 2 is the cutaway view along A-A line among Fig. 1.
1. roll extrusion parts (tapered rollers) among the figure, 2. main shaft, 201. rotation sections, 202. securing member connecting portions, 203. the support portion, portion is extruded in 204. tapers, 3. clamp nut, 4. bearing, 5. positioning sleeve, 6. adapter sleeve, 601. connection chamber, 602. support chamber, 603. bearing bores, 7. assembled shaft, 701. connecting portions, 702. departments of assembly, 703. extruding cavity, 704. roll extrusion part chambeies, 705. taper fenestras.
The specific embodiment
In Fig. 1, Fig. 2, a kind of bolt connects the rolling device of endoporus, and it comprises six roll extrusion parts 1, a main shaft 2, an adapter sleeve 6 and an assembled shaft 7.
What roll extrusion part 1 adopted is the tapered rollers of major axis structure.
In Fig. 1, coaxial line offers the support chamber 602 of a connection chamber 601, a bearing bore 603 and connection connection chamber 601, bearing bore 603 on the body of adapter sleeve 6.
Main shaft 2 is to extrude portion's 204 one by a rotation section 201, a securing member connecting portion 202, a support portion 203 and a taper successively to form.Rotation section 201 is that head is revolved in a four directions; Securing member connecting portion 202 is the threaded rod section; Support portion 203 is a cylinder optical axis section; Taper is extruded portion 204 and is circular cone optical axis section.
Assembled shaft 7 is made up of a junction 701 and a department of assembly 702 one, is shaped on connecting thread on the connecting portion 701.
As shown in Figure 2, place, axle center perforation in assembled shaft 7 has an extruding cavity 703, outer circumferential surface in assembled shaft department of assembly 702 has six roll extrusion part chambeies 704 to the sagittal plane between the extruding cavity 703, have six taper fenestras 705 that are connected with roll extrusion part chamber 703 outside department of assembly 702 on the circumferential surface.
As shown in Figure 1, main shaft support portion 203 runs through and is assemblied in the adapter sleeve support chamber 602, with support chamber 602 matched in clearance, extrude suit one positioning sleeve 5 on the support portion 203 between portion 204 and the adapter sleeve connection chamber 602 in the main shaft taper, be equipped with a bearing 4 on the support portion 203 in adapter sleeve bearing bore 603, what this bearing 4 adopted is to be thrust bearing.The securing member 3 that is threaded on the main shaft securing member connecting portion 202, this fastens part is clamp nut, tightening fastener parts 3 cooperates with positioning sleeve 5 main shaft 2 axial location on adapter sleeve 6.
In Fig. 1, Fig. 2, six roll extrusion part tapered rollers 1 are assemblied in respectively in the roll extrusion part chamber 704 of assembled shaft 7, and are pinned by the taper fenestra on department of assembly's 702 outer circumferential surfaces 705.The taper of main shaft 2 is extruded portion 204 and is run through in the extruding cavity 703 that is assemblied in assembled shaft 7.It is consistent that 204 threes' of portion tapering is extruded in tapered rollers 1, taper fenestra 705, main shaft taper.
The connecting portion 701 of assembled shaft 7 is threaded with the connection chamber 601 of adapter sleeve 6, the connecting portion 701 by assembled shaft 7 and the screw thread feeding of the connection chamber 601 of adapter sleeve 6, the taper of drive main shaft is extruded portion 204 roll surface of tapered rollers 1 is extruded taper fenestra 705, and the connecting line of each roll surface is on the same periphery.The roll surface that is in the tapered rollers 1 on the same periphery can closely contact with articulation connecting bolt internal surface of hole.
The rotation section 201 that the utility model is pulled main shaft 2 with instrument drives tapered rollers 1 and rotates, thereby the bolt hole inner surface is pushed, thereby has improved the surface smoothness of bolt hole inner surface.Tapered rollers is that face contacts with the bolt hole inner surface, has improved working (machining) efficiency.
Claims (3)
1. the rolling device of a bolt connecting hole, it comprises several roll extrusion parts, it is characterized in that: it also comprises
One adapter sleeve, coaxial line offers the support chamber of a connection chamber, a bearing bore and a connection connection chamber, bearing bore on the body of this adapter sleeve;
One main shaft, this main shaft is to extrude portion's one by a rotation section, a securing member connecting portion, a support portion and a taper successively to form, wherein said main shaft support portion runs through and is assemblied in the described adapter sleeve support chamber, extrude suit one positioning sleeve on the support portion between portion and the adapter sleeve connection chamber in the main shaft taper, be equipped with a bearing on the support portion in the adapter sleeve bearing bore, be equipped with a securing member on the described main shaft securing member connecting portion, this securing member cooperates with positioning sleeve main shaft axial location on adapter sleeve;
One assembled shaft, this assembled shaft is made up of a junction and department of assembly's one, its place, axle center connects and has an extruding cavity, outer circumferential surface in this assembled shaft department of assembly has some roll extrusion parts chamber to the sagittal plane between the extruding cavity, correspondence has the taper fenestra that is connected with roll extrusion part chamber on the circumferential surface outside the department of assembly, and wherein said assembled shaft connecting portion is threaded with described adapter sleeve connection chamber;
Described roll extrusion part is a tapered rollers, this tapered rollers correspondence is assemblied in the roll extrusion part chamber of assembled shaft, and pin by the taper fenestra on the circumferential surface outside the department of assembly, the taper portion of extruding of described main shaft runs through in the extruding cavity that is assemblied in assembled shaft, the roll surface of tapered rollers is extruded the taper fenestra by the main shaft taper portion of extruding, and the connecting line of its roll surface is on the same periphery.
2. the rolling device of a kind of bolt connecting hole according to claim 1, it is characterized in that: the described securing member that is assemblied on the main shaft securing member connecting portion is a clamp nut that is threaded with main shaft securing member connecting portion.
3. the rolling device of a kind of bolt connecting hole according to claim 1 and 2 is characterized in that: the bearing in the described main shaft support portion that is assemblied in the adapter sleeve bearing bore is a thrust bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206228786U CN202079377U (en) | 2010-11-15 | 2010-11-15 | Rolling device for bolt-connecting hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206228786U CN202079377U (en) | 2010-11-15 | 2010-11-15 | Rolling device for bolt-connecting hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202079377U true CN202079377U (en) | 2011-12-21 |
Family
ID=45340031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206228786U Expired - Fee Related CN202079377U (en) | 2010-11-15 | 2010-11-15 | Rolling device for bolt-connecting hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202079377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102009319A (en) * | 2010-11-15 | 2011-04-13 | 黄海造船有限公司 | Rolling device for bolt connecting hole |
-
2010
- 2010-11-15 CN CN2010206228786U patent/CN202079377U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102009319A (en) * | 2010-11-15 | 2011-04-13 | 黄海造船有限公司 | Rolling device for bolt connecting hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20121115 |