CN109647893A - Single hydraulic cylinder drive-type Three-roll plug steadier - Google Patents
Single hydraulic cylinder drive-type Three-roll plug steadier Download PDFInfo
- Publication number
- CN109647893A CN109647893A CN201810570442.8A CN201810570442A CN109647893A CN 109647893 A CN109647893 A CN 109647893A CN 201810570442 A CN201810570442 A CN 201810570442A CN 109647893 A CN109647893 A CN 109647893A
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- gear
- master gear
- master
- hydraulic cylinder
- engaged
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- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 239000004020 conductor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
- B21B25/02—Guides, supports, or abutments for mandrels, e.g. carriages or steadiers; Adjusting devices for mandrels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The present invention relates to slitless tube mill technical field, especially single hydraulic cylinder drive-type Three-roll plug steadier, including three rollers, respectively drive roll, the first driven voller, the second driven voller, three rollers are symmetrical around roll centre；It further include hydraulic cylinder, four master gears, four master gears are respectively the first master gear, the second master gear, third master gear, the 4th master gear；The gear at hydraulic cylinder extension end is connect with the first master gear, and the first master gear is engaged with the second master gear, and the second master gear is engaged with third master gear, and third master gear is engaged with the 4th master gear；First master gear is also engaged with the transmission gear of drive roll；Second master gear is engaged with the transmission gear of the first driven voller；4th master gear is engaged with the transmission gear of the second driven voller.Single hydraulic cylinder drive-type Three-roll plug steadier provided by the invention has the advantages that synchronism easily adjusts, is rigid higher compared with old-fashioned Three-roll plug steadier.
Description
Technical field
The present invention relates to slitless tube mill technical fields, especially single hydraulic cylinder drive-type Three-roll plug steadier.
Background technique
Three-roll plug steadier is one of the capital equipment for producing seamless pipe, perforator background and oblique tube mill foreground all
Equipped with Three-roll plug steadier.Require three rolls holding unit center consistent with steel pipe rolling line emphatically when three rolls holding unit works, therefore three rollers are embraced
Three of core embrace roller will synchronize movement under the drive of driving device (such as hydraulic cylinder) relative to center, only in this way could
Guarantee that rolling line is overlapped with center.
Traditional double hydraulic cylinder drive-type Three-roll plug steadier, as shown in figure 3, by two Driven by Hydraulic Cylinder, three rolls into
Row rolling work.When hydraulic cylinder (one) extends, line A-A roller tightens roll range clockwise；Hydraulic cylinder (two) passes through driving
Dispensing rack reciprocating rotary, when dispensing rack rotates clockwise when elongation, connecting rod (one) pushes the roller for driving line B-B roller device down
Sub tightening roll range counterclockwise, connecting rod (two), which is turned left, pushes the roller for driving line C-C roller device to tighten roll model counterclockwise
It encloses.This old-fashioned three rolls holding unit rack has used two hydraulic cylinder cooperation dispensing rack and respective swing arm to be driven, due to adjusting
Saving dispensing rack and swing arm control roller device has certain difficulty, causes to be difficult to ensure roller when adjusting 3 roller work
The synchronism of son is to influence the yields of product.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of single hydraulic cylinder drive-type Three-roll plug steadiers, to the full extent
It ensure that the synchronism of entire Three-roll plug steadier.
In order to solve the above technical problems, the technical solution of the present invention is as follows:
Single hydraulic cylinder drive-type Three-roll plug steadier, including three rollers, respectively drive roll, the first driven voller, the second driven voller,
Three rollers are symmetrical around roll centre；
Further include hydraulic cylinder, four master gears, four master gears be respectively the first master gear, the second master gear, third master gear,
4th master gear；
The gear at the hydraulic cylinder extension end is connect with the first master gear, and first master gear is nibbled with the second master gear
It closes, second master gear is engaged with third master gear, and the third master gear is engaged with the 4th master gear；Described
One master gear is also engaged with the transmission gear of drive roll；Second master gear is engaged with the transmission gear of the first driven voller；
4th master gear is engaged with the transmission gear of the second driven voller.
Second master gear and the 4th master gear further includes main body gear and pinion, the main body gear respectively
It is installed with pinion coaxial inner conductor, and the angle that has dislocation between the gear teeth of main body gear and the gear teeth of pinion.
Single hydraulic cylinder drive-type Three-roll plug steadier provided by the invention has compared with old-fashioned Three-roll plug steadier and synchronizes
Property easily adjust, the higher advantage of rigidity.
Detailed description of the invention
Fig. 1 is roller tightening state structural schematic diagram of the invention；
Fig. 2 is roller expanded state structural schematic diagram of the invention；
Fig. 3 is pinion structural schematic diagram of the invention；
Fig. 4 is the schematic diagram of the section structure of the prior art.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
As shown in Figure 1,4 drive-type Three-roll plug steadier of single hydraulic cylinder, including three rollers, respectively drive roll 1, first from
Dynamic roller 2, the first driven voller 3, three rollers are symmetrical around roll centre；
It further include 4, four master gears of hydraulic cylinder, four master gears are respectively the first master gear 5, the second master gear 6, the main tooth of third
Take turns the 7, the 4th master gear 8；
The gear of 4 telescopic end of hydraulic cylinder is connect with the first master gear 5, first master gear 5 and the second master gear 6
Engagement, second master gear 6 are engaged with third master gear 7, and the third master gear 7 is engaged with the 4th master gear 8；Institute
The first master gear 5 stated also is engaged with the transmission gear of drive roll 1；The transmission of second master gear 6 and the first driven voller 2
Gear engagement；4th master gear 8 is engaged with the transmission gear of the first driven voller 3.
4 drive-type Three-roll plug steadier of single hydraulic cylinder is by single hydraulic cylinder 4 by being fitted close between gear and gear,
Three rolls are driven to work.The first master gear 5 driving drive roll 1 tightens roll range counterclockwise when hydraulic cylinder 4 extends, together
When the first master gear 5 drive the second master gear 6 rotate clockwise, the second master gear 6 make the first driven voller 2 tighten roll range.
Second master gear 6 driving third master gear 7 rotates counterclockwise, and third master gear 7 drives the 4th master gear 8 to rotate clockwise again,
4th master gear 8 makes the first driven voller 3 tighten roll range.
As shown in Fig. 2, similarly can propulsive liquid cylinder pressure 4 when shrinking three rollers expand roll ranges.This Three-roll plug steadier
Only have a hydraulic cylinder 4 to drive when work, simplifies with 4 formula structure compared of double hydraulic cylinder；By being fitted close between gear set
Transmission directly can effectively guarantee three roller synchronous workings, to guarantee the yields of product manufactured by device.
Second master gear 6 and the 4th master gear 8 further include main body gear and pinion, the body teeth respectively
Wheel and the installation of pinion coaxial inner conductor, and the angle that has dislocation between the gear teeth of main body gear and the gear teeth of pinion.Such as Fig. 3 institute
Show, the second master gear 6 includes main body gear 62 and pinion 61.
In view of gear and gear cooperate, there are some inevitable backlashes, single hydraulic cylinder formula three rolls holding unit dresses
It sets and also adds pinion on two driven roller arrangements, pinion keeps certain error angle with driven voller master gear in assembly
Degree reduces influence of the backlash to gear drive synchronism, ensure that the synchronism of entire Three-roll plug steadier to the full extent.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (2)
1. single hydraulic cylinder drive-type Three-roll plug steadier, including three rollers, respectively drive roll, the first driven voller, second driven
Roller, three rollers are symmetrical around roll centre；
It is characterized by also including hydraulic cylinder, four master gears, four master gears be respectively the first master gear, the second master gear,
Third master gear, the 4th master gear；
The gear at the hydraulic cylinder extension end is connect with the first master gear, and first master gear is nibbled with the second master gear
It closes, second master gear is engaged with third master gear, and the third master gear is engaged with the 4th master gear；Described
One master gear is also engaged with the transmission gear of drive roll；Second master gear is engaged with the transmission gear of the first driven voller；
4th master gear is engaged with the transmission gear of the second driven voller.
2. single hydraulic cylinder drive-type Three-roll plug steadier according to claim 1, it is characterised in that: the main tooth of described second
Wheel and the 4th master gear further include main body gear and pinion respectively, and the main body gear and pinion coaxial inner conductor are installed,
And have dislocation angle between the gear teeth of main body gear and the gear teeth of pinion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810570442.8A CN109647893A (en) | 2018-06-05 | 2018-06-05 | Single hydraulic cylinder drive-type Three-roll plug steadier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810570442.8A CN109647893A (en) | 2018-06-05 | 2018-06-05 | Single hydraulic cylinder drive-type Three-roll plug steadier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109647893A true CN109647893A (en) | 2019-04-19 |
Family
ID=66110210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810570442.8A Pending CN109647893A (en) | 2018-06-05 | 2018-06-05 | Single hydraulic cylinder drive-type Three-roll plug steadier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109647893A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112571324A (en) * | 2020-12-11 | 2021-03-30 | 江苏常宝钢管股份有限公司 | Self-adjusting core holding device and core adjusting method |
| CN114589204A (en) * | 2022-02-17 | 2022-06-07 | 中国重型机械研究院股份公司 | Core rod centering device and method of high-speed cold pilger mill |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU806178A1 (en) * | 1979-02-26 | 1981-02-23 | Предприятие П/Я В-2869 | Tube rolling mill three-roll centring arrangement |
| CN2219166Y (en) * | 1994-10-12 | 1996-02-07 | 江西洪都钢厂 | Self-centring three-roller protector |
| CN101254510A (en) * | 2008-04-12 | 2008-09-03 | 太原市通泽成套设备有限公司 | Centering device of roller milling steel tube |
| CN201572796U (en) * | 2009-12-17 | 2010-09-08 | 济南重工股份有限公司 | Three-roller centering device |
| CN208555507U (en) * | 2018-06-05 | 2019-03-01 | 无锡市瑞尔精密机械有限公司 | Single hydraulic cylinder drive-type Three-roll plug steadier |
-
2018
- 2018-06-05 CN CN201810570442.8A patent/CN109647893A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU806178A1 (en) * | 1979-02-26 | 1981-02-23 | Предприятие П/Я В-2869 | Tube rolling mill three-roll centring arrangement |
| CN2219166Y (en) * | 1994-10-12 | 1996-02-07 | 江西洪都钢厂 | Self-centring three-roller protector |
| CN101254510A (en) * | 2008-04-12 | 2008-09-03 | 太原市通泽成套设备有限公司 | Centering device of roller milling steel tube |
| CN201572796U (en) * | 2009-12-17 | 2010-09-08 | 济南重工股份有限公司 | Three-roller centering device |
| CN208555507U (en) * | 2018-06-05 | 2019-03-01 | 无锡市瑞尔精密机械有限公司 | Single hydraulic cylinder drive-type Three-roll plug steadier |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112571324A (en) * | 2020-12-11 | 2021-03-30 | 江苏常宝钢管股份有限公司 | Self-adjusting core holding device and core adjusting method |
| CN112571324B (en) * | 2020-12-11 | 2024-03-12 | 江苏常宝钢管股份有限公司 | Self-adjusting core holding device and core adjusting method |
| CN114589204A (en) * | 2022-02-17 | 2022-06-07 | 中国重型机械研究院股份公司 | Core rod centering device and method of high-speed cold pilger mill |
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