CN104550247A - Connecting rod telescoping mechanism for screw down gear and screw down gear - Google Patents
Connecting rod telescoping mechanism for screw down gear and screw down gear Download PDFInfo
- Publication number
- CN104550247A CN104550247A CN201510018581.6A CN201510018581A CN104550247A CN 104550247 A CN104550247 A CN 104550247A CN 201510018581 A CN201510018581 A CN 201510018581A CN 104550247 A CN104550247 A CN 104550247A
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- connecting rod
- adapter sleeve
- telescoping mechanism
- keyway
- down gear
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Abstract
The invention discloses a connecting rod telescoping mechanism for a screw down gear and the screw down gear, and aims at solving the problems of inconvenient adjusting of space between two box bodies and high cost of the screw down gear in the prior art. The telescoping mechanism comprises a hollow worm, a first connecting sleeve, a second connecting sleeve and a connecting rod; the first connecting sleeve and the second connecting sleeve are connected with the inner wall of the worm by interference fit; a first key slot is formed in one end of the first connecting sleeve; second key slots are formed in the inner wall of the other end of the first connecting sleeve and the inner wall of the second connecting sleeve; keys adapted to the second key slots are formed in one end of the connecting rod. According to the mechanism, the first connecting sleeve and the second connecting sleeve are arranged at intervals, and the connecting rod slides in the worm during connecting, so that the length of the connecting rod extending out from the box bodies changes, the connecting rod is simply connected with different connecting sleeves during rolling switching, and as a result, the space between the two box bodies of the screw down gear can be simply and conveniently adjusted; in addition, other backup connecting rods are not needed, so that the cost is decreased.
Description
Technical field
The present invention relates to a kind of screwdown gear, especially relate to screwdown gear connecting rod telescoping mechanism.
Background technology
Universal mill in process of production, the difference of rolled-section type and the needs of technique, universal mill can be changed between four rolling systems and two rolling systems, and four rolling systems refer to that roller comprises two horizontal roller and two edger rolls, and two rolling systems refer to that roller only has two horizontal roller.In transfer process, spacing between the bearing block of fore side and the bearing block of transmission side can change, spacing between two casings of screwdown gear also will change thereupon, and namely under four rolling systems and two rolling systems, the spacing between two casings of screwdown gear is different.
Be equipped with connecting rod in two casings of screwdown gear, two connecting rods are connected by shaft coupling, and between two casings of screwdown gear, the change of spacing is exactly the change of connecting rod length in fact.At present, mainly by changing the mode of the connecting rod in casing or increasing new connecting rod and the mode of shaft coupling, its length is made to meet pitch requirements.Above-mentioned two kinds of modes all require connecting rod for subsequent use, not only increase cost, and Renewal process are cumbersome, to make the adjustment of screwdown gear two tanks spacing more inconvenient, affect production efficiency.
Summary of the invention
For the problems referred to above, the invention provides a kind of screwdown gear connecting rod telescoping mechanism and screwdown gear, to solve the problem that adjustment is inconvenient, cost is high of screwdown gear two tanks spacing in prior art.
For achieving the above object, screwdown gear connecting rod telescoping mechanism provided by the invention, the connecting rod comprising hollow worm gear, be disposed on the first adapter sleeve in described worm screw and the second adapter sleeve and be located in described hollow worm gear; Wherein the first adapter sleeve is connected with the equal interference fit of the inwall of described worm screw with the outer wall of the second adapter sleeve; One end of described first adapter sleeve is provided with the first keyway, described first keyway is for connecting the power output shaft of the power set of screwdown gear, the inwall of the described first adapter sleeve other end and the inwall of the second adapter sleeve are provided with the second keyway, one end of described connecting rod is provided with the key suitable with described second keyway, is connected with the first adapter sleeve or the second adapter sleeve key to make connecting rod.
Screwdown gear provided by the invention, comprises two casings, and be provided with above-mentioned screwdown gear connecting rod telescoping mechanism in casing described in one of them, the connecting rod of this telescoping mechanism is connected by shaft coupling with the connecting rod of another casing.
Under four rolling systems, the spacing required between two tanks is smaller, is connected by the key of connecting rod with the second keyway of the first adapter sleeve, utilizes the first adapter sleeve to connecting rod transmitting torque; Under two rolling systems, the spacing required between two tanks is comparatively large, is connected by the key of connecting rod, utilizes the second adapter sleeve to connecting rod transmitting torque with the second keyway of the second adapter sleeve.Because the first adapter sleeve and the second adapter sleeve interval are arranged, during connection, connecting rod slides in worm screw, and the length making connecting rod stretch out casing changes, and the spacing between such two tanks also can change, to adapt to different rolling modes.Therefore, when rolling is changed, only connecting rod need be connected from different adapter sleeves, make the adjustment of screwdown gear two tanks spacing very simple, convenient.In addition, without the need to other connecting rod for subsequent use, cost is reduced.
Accompanying drawing explanation
Fig. 1 is the connection diagram of screwdown gear connecting rod telescoping mechanism provided by the invention under four rolling systems;
Fig. 2 is the connection diagram of screwdown gear connecting rod telescoping mechanism provided by the invention under two rolling systems;
Fig. 3 is the structural representation of screwdown gear provided by the invention;
Detailed description of the invention
Below in conjunction with Figure of description, the present invention will be further described.
Conveniently understand, now the general configuration of screwdown gear briefly explained:
Screwdown gear comprises two casings, all has worm screw and connecting rod in each casing, is connected between the connecting rod of two casings by shaft coupling.Wherein power set provide power for the worm screw in one of them casing, connecting rod in this casing drives another casing inside connecting rod to rotate by shaft coupling, connecting rod in another casing is rotated by gear driven worm screw, thus the worm screw in two casings all rotates, the worm gear wheel be connected with corresponding worm screw.
Screwdown gear connecting rod telescoping mechanism provided by the invention is arranged in the casing that is connected with power set, specifically comprises hollow worm gear 3, is disposed on the first adapter sleeve 1 in described worm screw and the second adapter sleeve 4, the connecting rod 2 be located in hollow worm gear.Wherein the outer wall of the first adapter sleeve, the second adapter sleeve is connected with the inwall interference fit of described worm screw;
One end of described first adapter sleeve 1 is provided with the first keyway of the power output shaft 5 of the power set for connecting screwdown gear, the inwall of the described first adapter sleeve other end and the inwall of the second adapter sleeve are provided with the second keyway, one end of described connecting rod 2 is provided with the key suitable with described second keyway, is connected with the first adapter sleeve or the second adapter sleeve key to make connecting rod.
One end due to the first adapter sleeve is provided with the first keyway, so the first adapter sleeve can be connected with the Power output axle key of power set, under the dynamic action of power set, first adapter sleeve 1 rotates, because the first adapter sleeve and worm screw are that interference fit is connected, so worm screw 3 is also along with rotation, thus provide power for the worm gear be connected with this worm screw.
Due to the inwall of the other end of the first adapter sleeve 1 and the inwall of the second adapter sleeve 4 being provided with the second keyway, one end of described connecting rod is provided with the key suitable with described second keyway.When the key of connecting rod 2 is connected with the second keyway of the first adapter sleeve 1, the rotation of the first adapter sleeve 1 can drive the rotation of connecting rod 2, now because connecting rod 2 is connected with first adapter sleeve 1 in left side, so the length that connecting rod 2 stretches out casing 10 is shorter, spacing then between casing 10 and casing 11 is less, meets the pitch requirements of four rollings.
When the key of connecting rod 2 is connected with the second keyway of the second adapter sleeve 4, rotation due to the first adapter sleeve 1 drives the rotation of worm screw 3, and the inwall of worm screw and the second adapter sleeve to be interference fit be connected, thus drive the second adapter sleeve 4 to rotate, the second adapter sleeve drives connecting rod 2 to rotate.Now because connecting rod is connected with second adapter sleeve 4 on right side, so connecting rod 2 stretches out the length of casing 10, then the spacing between casing 10 and casing 11 is comparatively large, meets the pitch requirements of two rollings.
A in Fig. 1 represents the spacing between four rolling lower boxes 10 and casing 11, B in Fig. 2 represents the spacing between two rolling lower boxes 10 and casing 11, as can be seen from two figure, B is less than A, and difference is between the two exactly the spacing between the first adapter sleeve and the second adapter sleeve.
Because the first adapter sleeve and the second adapter sleeve interval are arranged, during connection, connecting rod slides in worm screw, and the length making connecting rod stretch out casing changes, and the spacing between such two tanks also can change, to adapt to different rolling modes.Therefore, when rolling is changed, only connecting rod need be connected from different adapter sleeves, make the adjustment of screwdown gear two tanks spacing very simple.In addition, without the need to other connecting rod for subsequent use, cost is reduced.
Optionally, the first keyway of the first adapter sleeve is flat key groove, is connected, thus realizes the transmission of power with the flat key on the power output shaft of power set.
Optionally, the second keyway of the first adapter sleeve and the second adapter sleeve can be internal spline, and the key on corresponding connecting rod is external splines.Certainly, the second keyway also can be flat key groove, and the key on corresponding connecting rod is flat key, in actual applications, can select as the case may be, not limit at this.
The present invention also provides a kind of screwdown gear, and this screwdown gear comprises two casings, and be provided with above-mentioned screwdown gear connecting rod telescoping mechanism in casing described in one of them, the connecting rod of this telescoping mechanism is connected by shaft coupling with the connecting rod of another casing.
When connecting rod 2 is connected with the first adapter sleeve or the second adapter sleeve key, the connecting rod 2 of casing 10 drives the connecting rod 7 in another casing 11 to rotate by shaft coupling 6, and connecting rod 7 driven gear 9 rotates, and gear 9 drives worm screw 8 to rotate.
Visible screwdown gear provided by the invention is compared with screwdown gear of the prior art, improvements are: in the casing be directly connected with power set, be provided with a connecting rod telescoping mechanism, this telescoping mechanism can regulate connecting rod to stretch out the length of this casing, thus regulate the spacing between screwdown gear two casings, make it meet different rolling modes.This screwdown gear visible is applicable to different rolling modes, and the scope of application is wide, and spacing regulates simple, and reduces cost.
Above; be only preferred embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should define with claim is as the criterion.
Claims (4)
1. a screwdown gear connecting rod telescoping mechanism, is characterized in that: the connecting rod comprising hollow worm gear, be disposed on the first adapter sleeve in described worm screw and the second adapter sleeve and be located in described hollow worm gear; Wherein the first adapter sleeve is connected with the equal interference fit of the inwall of described worm screw with the outer wall of the second adapter sleeve;
One end of described first adapter sleeve is provided with the first keyway, described first keyway is for connecting the power output shaft of the power set of screwdown gear, the inwall of the described first adapter sleeve other end and the inwall of the second adapter sleeve are provided with the second keyway, one end of described connecting rod is provided with the key suitable with described second keyway, is connected with the first adapter sleeve or the second adapter sleeve key to make connecting rod.
2. screwdown gear connecting rod telescoping mechanism according to claim 1, is characterized in that: described first keyway is flat key groove.
3. screwdown gear connecting rod telescoping mechanism according to claim 1, it is characterized in that: described second keyway is internal spline, the key on described connecting rod is the external splines suitable with described internal spline.
4. a screwdown gear, it is characterized in that: comprise two casings, be provided with the arbitrary screwdown gear connecting rod telescoping mechanism described in claims 1 to 3 in casing described in one of them, the connecting rod of this telescoping mechanism is connected by shaft coupling with the connecting rod of another casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510018581.6A CN104550247B (en) | 2015-01-14 | 2015-01-14 | Screwdown gear connecting rod telescoping mechanism and screwdown gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510018581.6A CN104550247B (en) | 2015-01-14 | 2015-01-14 | Screwdown gear connecting rod telescoping mechanism and screwdown gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104550247A true CN104550247A (en) | 2015-04-29 |
| CN104550247B CN104550247B (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510018581.6A Active CN104550247B (en) | 2015-01-14 | 2015-01-14 | Screwdown gear connecting rod telescoping mechanism and screwdown gear |
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| CN (1) | CN104550247B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0267165A2 (en) * | 1986-11-06 | 1988-05-11 | COMERIO ERCOLE S.p.A. | Unit for controlling the gap between the rolls of a calender for rubber or generally plastic materials |
| JPH0810813A (en) * | 1993-12-23 | 1996-01-16 | Morgan Constr Co | Device for separation and adjustment of roll of housing-freeroll stand |
| CN201244586Y (en) * | 2008-08-27 | 2009-05-27 | 柳州市永益机械制造有限公司 | Novel mechanism for regulating roll gap of short-stress-line rolling mill |
| CN201394570Y (en) * | 2009-04-21 | 2010-02-03 | 熊光仪 | Short stress path rolling mill |
| CN202185455U (en) * | 2011-06-29 | 2012-04-11 | 北京京诚瑞信长材工程技术有限公司 | Roll gap adjusting device for rolling mill |
| CN202263776U (en) * | 2011-10-31 | 2012-06-06 | 济南瑞力得数控机械工程有限公司 | Roller spacing regulating mechanism for cross wedge rolling mill |
| CN203044521U (en) * | 2012-12-25 | 2013-07-10 | 太重煤机有限公司 | Short stress rolling mill roll gap adjusting mechanism |
| CN204396470U (en) * | 2015-01-14 | 2015-06-17 | 中冶华天工程技术有限公司 | Screwdown gear connecting rod telescoping mechanism and screwdown gear |
-
2015
- 2015-01-14 CN CN201510018581.6A patent/CN104550247B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0267165A2 (en) * | 1986-11-06 | 1988-05-11 | COMERIO ERCOLE S.p.A. | Unit for controlling the gap between the rolls of a calender for rubber or generally plastic materials |
| JPH0810813A (en) * | 1993-12-23 | 1996-01-16 | Morgan Constr Co | Device for separation and adjustment of roll of housing-freeroll stand |
| CN201244586Y (en) * | 2008-08-27 | 2009-05-27 | 柳州市永益机械制造有限公司 | Novel mechanism for regulating roll gap of short-stress-line rolling mill |
| CN201394570Y (en) * | 2009-04-21 | 2010-02-03 | 熊光仪 | Short stress path rolling mill |
| CN202185455U (en) * | 2011-06-29 | 2012-04-11 | 北京京诚瑞信长材工程技术有限公司 | Roll gap adjusting device for rolling mill |
| CN202263776U (en) * | 2011-10-31 | 2012-06-06 | 济南瑞力得数控机械工程有限公司 | Roller spacing regulating mechanism for cross wedge rolling mill |
| CN203044521U (en) * | 2012-12-25 | 2013-07-10 | 太重煤机有限公司 | Short stress rolling mill roll gap adjusting mechanism |
| CN204396470U (en) * | 2015-01-14 | 2015-06-17 | 中冶华天工程技术有限公司 | Screwdown gear connecting rod telescoping mechanism and screwdown gear |
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| Publication number | Publication date |
|---|---|
| CN104550247B (en) | 2016-05-04 |
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Address after: Jianye District of Nanjing City, Jiangsu province 210019 the Fuchun River Street No. 18 Patentee after: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC Address before: 243005 No. 699 West Hunan Road, Anhui, Ma'anshan Patentee before: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC |