CN108386241B - Hydraulic chain type automatic jigger - Google Patents
Hydraulic chain type automatic jigger Download PDFInfo
- Publication number
- CN108386241B CN108386241B CN201810358853.0A CN201810358853A CN108386241B CN 108386241 B CN108386241 B CN 108386241B CN 201810358853 A CN201810358853 A CN 201810358853A CN 108386241 B CN108386241 B CN 108386241B
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- Prior art keywords
- chain
- hydraulic
- jigger
- locking
- turbine
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/34—Turning or inching gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a hydraulic chain type automatic jigger device which comprises a hydraulic pump station and a turbine large shaft, wherein a hydraulic fixed driving device is arranged on one side of the turbine large shaft, a hydraulic locking device is arranged on the other side of the turbine large shaft, the hydraulic fixed driving device comprises a jigger hydraulic jack, a fixed pile, a chain fixed transverse plate, a jigger traction chain, a first chain connecting piece, a second chain connecting piece and a jigger return chain, the hydraulic locking device comprises a locking chain and a locking hydraulic jack, the locking chain is wound on the outer side of the turbine large shaft, and the locking chain is fixed on the outer side of the turbine large shaft through the locking hydraulic jack; the jigger traction chain and the jigger return chain are wound on the outer side of the locking chain in two sections. The invention solves the problem that the disc-driven steam turbine rotor needs to use a crane, effectively shortens the total construction period of the professional construction of the steam turbine, accelerates the construction progress, and fills the construction blank of disc-driven rotors by other methods for decades.
Description
1. Technical field:
the invention relates to a rotor jigger, in particular to a hydraulic chain type automatic jigger which is used for jigging a turbine rotor.
2. The background technology is as follows:
the first turbine unit is installed in China, the rotor disk movement during construction is carried out by using a turbine room bridge crane (simply called travelling crane), and no other methods or tools are used for replacing the bridge crane. People who engage in electric power construction for a long time are familiar with the technology, the crane is always used for installing the turbine body from the installation of the turbine body in the turbine factory building, particularly, when the turbine body turns a rotor (jigger), the crane can not leave a working place basically, particularly, when the turbine generator rotor is aligned and connected with a pairing wheel, the crane is no longer used for serving other equipment, is specially used for serving the turbine generator rotor, and the period needs to be nearly half a month, so that other works in the turbine room are seriously influenced. When the crane is used for other works, the crane cannot be used for unhooking the hook, and the turbine needs to drive the rotor to wait for the completion of other works, so that the installation progress of the turbine is greatly influenced. Therefore, developing a jigger special device to solve the problem of influencing the progress of the engineering main line is imperative.
3. The invention comprises the following steps:
the technical problems to be solved by the invention are as follows: the hydraulic chain type automatic jigger device is used for jigging a turbine rotor, and further improving the installation progress of the turbine.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the hydraulic chain type automatic turning device comprises a hydraulic pump station and a turbine large shaft, wherein a hydraulic fixed driving device is arranged on one side of the turbine large shaft, a hydraulic locking device is arranged on the other side of the turbine large shaft, the hydraulic pump station is connected with the hydraulic fixed driving device through a driving device conveying oil pipe, and the hydraulic pump station is connected with the hydraulic locking device through a locking device conveying oil pipe; the hydraulic fixing driving device comprises a jigger hydraulic jack, a fixed pile, a chain fixing transverse plate, a jigger traction chain, a first chain connecting piece, a second chain connecting piece and a jigger return chain, the hydraulic locking device comprises a locking chain and a locking hydraulic jack, the locking chain is wound on the outer side of the large shaft of the steam turbine, and the locking chain is fixed on the outer side of the large shaft of the steam turbine through the locking hydraulic jack; the jigger traction chain and the jigger return chain are wound on the outer side of the locking chain in two sections.
The two ends of the locking hydraulic jack are respectively provided with a first chain connecting piece and a second chain connecting piece, one end of the jigger return chain is connected with the first chain connecting piece, and the other end is connected with the bottom of the supporting vertical rod on the chain fixing transverse plate; one end of the jigger traction chain is connected with the second chain connecting piece, the other end of the jigger traction chain is connected with the chain fixing transverse plate, and the jigger traction chain and the jigger return chain are wound on the outer side of the locking chain in two sections.
An anti-slip rubber is arranged between the turbine large shaft and the locking chain and used for increasing friction force of the hydraulic locking device on the turbine large shaft.
The working steps of the invention are as follows:
1. cleaning the installation position of the hydraulic locking device on the large shaft of the steam turbine, so as to realize no greasy dirt;
2. installing a hydraulic locking device;
3. a hydraulic fixed driving device is arranged at one side of a large shaft of the steam turbine below the hydraulic locking device;
4. installing a jigger chain;
5. fixing a hydraulic pump station;
6. connecting the driving device conveying oil pipe and the locking device conveying oil pipe;
7. pressing a large shaft starting button of the steam turbine to start automatic turning.
The working principle of the invention is as follows:
and a hydraulic pump station is started, a jigger hydraulic jack is jacked up to drive a jigger chain to move, and a jigger traction chain drives a hydraulic locking device, so that a turbine rotor rotates along with the hydraulic locking device, and the jigger effect of the turbine is achieved.
When the jigger hydraulic jack jiggers the large shaft of the turbine, the hydraulic locking device is tightly propped, and the large shaft of the turbine rotates along with the hydraulic locking device. When the jigger hydraulic jack is contracted, the hydraulic locking device is in a loose state. The contraction force of the jigger hydraulic jack is utilized to pull the hydraulic locking device to rotate, so that the large shaft of the steam turbine works repeatedly and reciprocally, and automatically jiggers along with the rotation.
The invention solves the problem that the disk-driven turbine rotor needs to use the crane, thereby freeing up the crane to do other operations, avoiding other operations from stagnating when the turbine is installed, and simultaneously solving the problem that the turbine cannot disk the rotor when the crane does other operations. The method has the advantages of effectively shortening the total construction period of the professional construction of the steam turbine, accelerating the construction progress, filling the construction blank of driving the rotor by other methods for decades, making outstanding contribution to the electric power construction industry, and having good economic benefit and popularization prospect.
4. Description of the drawings:
fig. 1 is a schematic structural view of the present invention.
In the figure: the hydraulic oil pipe is conveyed by a driving device 1, a hydraulic pump station 2, a jigger hydraulic jack 3, a fixing pile 4, a chain fixing transverse plate 5, a steam turbine large shaft 6, a locking chain 7, a jigger traction chain 8, a locking hydraulic jack 9, a first chain connecting piece 10, a second chain connecting piece 11, a jigger return chain 12 and a locking device 13.
5. The specific embodiment is as follows:
the invention is further illustrated and described below with reference to the accompanying drawings and specific examples:
referring to fig. 1, a hydraulic chain type automatic jigger device comprises a hydraulic pump station 1 and a turbine large shaft 6, wherein a hydraulic fixed driving device is arranged on one side of the turbine large shaft 6, a hydraulic locking device is arranged on the other side of the turbine large shaft 6, the hydraulic pump station 1 is connected with the hydraulic fixed driving device through a driving device conveying oil pipe 2, and the hydraulic pump station 1 is connected with the hydraulic locking device through a locking device conveying oil pipe 13;
the hydraulic fixed driving device comprises a jigger hydraulic jack 3, a fixed pile 4, a chain fixed transverse plate 5, a jigger traction chain 8, a first chain connecting piece 10, a second chain connecting piece 11 and a jigger return chain 12; the hydraulic locking device comprises a locking chain 7 and a locking hydraulic jack 9, wherein the locking chain 7 is wound on the outer side of the large steam turbine shaft 6, and the locking chain 7 is fixed on the outer side of the large steam turbine shaft 6 through the locking hydraulic jack 9; the jigger pulling chain 8 and the jigger returning chain 12 are wound on the outer side of the locking chain 7 in two sections.
A first chain connecting piece 10 and a second chain connecting piece 11 are respectively arranged at two ends of the locking hydraulic jack 9, one end of a turning return chain 12 is connected with the first chain connecting piece 10, and the other end is connected with the bottom of a supporting vertical rod on the chain fixing transverse plate 5; one end of the jigger traction chain 8 is connected with the second chain connecting piece 11, the other end is connected with the chain fixing transverse plate 5, and the jigger traction chain 8 and the jigger return chain 12 are wound on the outer side of the locking chain 7 in two sections.
An anti-slip rubber is arranged between the turbine large shaft 6 and the locking chain 7 and used for increasing the friction force of the hydraulic locking device on the turbine large shaft 6.
The working steps of the invention are as follows:
1. cleaning the installation position of the hydraulic locking device on the large shaft 6 of the steam turbine, so as to realize no greasy dirt;
2. installing a hydraulic locking device;
3. a hydraulic fixed driving device is arranged on one side of a large shaft 6 of the steam turbine below the hydraulic locking device;
4. installing a jigger chain 8;
5. fixing a hydraulic pump station 1;
6. connecting the driving device conveying oil pipe 2 and the locking device conveying oil pipe 13;
7. pressing a large shaft starting button of the steam turbine to start automatic turning.
The working principle of the invention is as follows:
when the hydraulic power unit is in operation, the hydraulic power unit 1 is started, the jigger hydraulic jack 3 jacks up to drive the jigger chain 8 to move, the jigger traction chain 8 pulls the hydraulic locking device, and the turbine rotor rotates along with the hydraulic locking device, so that the jigger effect of the turbine is achieved.
When the jigger hydraulic jack 3 jiggers the large shaft of the steam turbine, the hydraulic locking device is tightly jacked, and the large shaft 6 of the steam turbine rotates along with the hydraulic locking device. When the jigger hydraulic jack 3 is contracted, the hydraulic locking device is in a loose state. The contraction force of the jigger hydraulic jack 3 is utilized to pull the hydraulic locking device to rotate, so that the large shaft 6 of the steam turbine works repeatedly and reciprocally circularly, and automatically jiggers along with the rotation.
The invention solves the problem that the disk-driven turbine rotor needs to use the crane, thereby freeing up the crane to do other operations, avoiding other operations from stagnating when the turbine is installed, and simultaneously solving the problem that the turbine cannot disk the rotor when the crane does other operations. The method has the advantages of effectively shortening the total construction period of the professional construction of the steam turbine, accelerating the construction progress, filling the construction blank of driving the rotor by other methods for decades, making outstanding contribution to the electric power construction industry, and having good economic benefit and popularization prospect.
Claims (3)
1. The utility model provides a hydraulic chain automatic jigger device, includes hydraulic power unit (1) and steam turbine jackshaft (6), its characterized in that: a hydraulic fixed driving device is arranged on one side of the large shaft (6) of the steam turbine, a hydraulic locking device is arranged on the other side of the large shaft, the hydraulic pump station (1) is connected with the hydraulic fixed driving device through a driving device conveying oil pipe (2), and the hydraulic pump station (1) is connected with the hydraulic locking device through a locking device conveying oil pipe (13); the hydraulic fixing driving device comprises a jigger hydraulic jack (3), a fixed pile (4), a chain fixing transverse plate (5), a jigger traction chain (8), a first chain connecting piece (10), a second chain connecting piece (11) and a jigger return chain (12), the hydraulic locking device comprises a locking chain (7) and a locking hydraulic jack (9), the locking chain (7) is wound on the outer side of the large steam turbine shaft (6), and the locking chain (7) is fixed on the outer side of the large steam turbine shaft (6) through the locking hydraulic jack (9); the jigger traction chain (8) and the jigger return chain (12) are wound on the outer side of the locking chain (7) in two sections.
2. The hydraulic chain type automatic jigger device according to claim 1, characterized in that: a first chain connecting piece (10) and a second chain connecting piece (11) are respectively arranged at two ends of the locking hydraulic jack (9), one end of the turning return chain (12) is connected with the first chain connecting piece (10), and the other end is connected with the bottom of the supporting vertical rod on the chain fixing transverse plate (5); one end of the jigger traction chain (8) is connected with a second chain connecting piece (11), and the other end is connected with the chain fixing transverse plate (5).
3. The hydraulic chain type automatic jigger device according to claim 1, characterized in that: an anti-slip rubber is arranged between the turbine large shaft (6) and the locking chain (7) and used for increasing friction force of the hydraulic locking device on the turbine large shaft (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810358853.0A CN108386241B (en) | 2018-04-20 | 2018-04-20 | Hydraulic chain type automatic jigger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810358853.0A CN108386241B (en) | 2018-04-20 | 2018-04-20 | Hydraulic chain type automatic jigger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108386241A CN108386241A (en) | 2018-08-10 |
| CN108386241B true CN108386241B (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810358853.0A Active CN108386241B (en) | 2018-04-20 | 2018-04-20 | Hydraulic chain type automatic jigger |
Country Status (1)
| Country | Link |
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| CN (1) | CN108386241B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339087A (en) * | 2021-07-14 | 2021-09-03 | 西安热工研究院有限公司 | Manual turning system and method for low-pressure rotor of steam turbine |
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| GB564519A (en) * | 1942-04-09 | 1944-10-02 | Svenska Turbinfab Ab | Improved barring mechanism |
| US3151451A (en) * | 1962-10-11 | 1964-10-06 | Bendix Corp | Hydraulic mechanical control for air breathing starter |
| US4430575A (en) * | 1982-03-30 | 1984-02-07 | General Electric Company | Turbine turning gear with hydraulic overspeed drive |
| JP2000337105A (en) * | 1999-05-27 | 2000-12-05 | Nishi Nippon Plant Kogyo Kk | Rotating device for maintaining large rotating body such as turbine rotor |
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| EP2987999A1 (en) * | 2014-08-22 | 2016-02-24 | Areva Wind GmbH | Device and method for turning a rotor of a wind turbine |
| EP3103974A1 (en) * | 2015-06-09 | 2016-12-14 | General Electric Technology GmbH | A turbine turning gear system |
| CN106224177A (en) * | 2016-08-19 | 2016-12-14 | 三重型能源装备有限公司 | Wind power generating set barring gear |
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| CN206571537U (en) * | 2017-01-23 | 2017-10-20 | 喀什德力克石油工程技术有限公司 | A kind of steam turbine electric barring equipment and turbine generating system |
| CN107725126A (en) * | 2017-08-23 | 2018-02-23 | 佛山市轩宸机电设备有限公司 | A kind of steam turbine electromagnetic type hydraulic turning gear |
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2018
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| US3151451A (en) * | 1962-10-11 | 1964-10-06 | Bendix Corp | Hydraulic mechanical control for air breathing starter |
| US4430575A (en) * | 1982-03-30 | 1984-02-07 | General Electric Company | Turbine turning gear with hydraulic overspeed drive |
| JP2000337105A (en) * | 1999-05-27 | 2000-12-05 | Nishi Nippon Plant Kogyo Kk | Rotating device for maintaining large rotating body such as turbine rotor |
| CN102536359A (en) * | 2012-01-19 | 2012-07-04 | 哈尔滨汽轮机厂有限责任公司 | Jigger device with axially injected worms and gears |
| CN202451374U (en) * | 2012-02-15 | 2012-09-26 | 三一电气有限责任公司 | Turning gear and fan |
| CN103470321A (en) * | 2013-09-03 | 2013-12-25 | 国家电网公司 | Hydraulic cylinder turning gear of steam turbine generator unit |
| CN203499740U (en) * | 2013-10-22 | 2014-03-26 | 上海力施电力设备有限公司 | Hydraulic drive turning gear of water-turbine generator set |
| JP2015161257A (en) * | 2014-02-28 | 2015-09-07 | 株式会社東芝 | Turning device, and control method thereof |
| EP2987999A1 (en) * | 2014-08-22 | 2016-02-24 | Areva Wind GmbH | Device and method for turning a rotor of a wind turbine |
| CN106536872A (en) * | 2014-11-05 | 2017-03-22 | 三菱重工压缩机有限公司 | Turning apparatus |
| EP3103974A1 (en) * | 2015-06-09 | 2016-12-14 | General Electric Technology GmbH | A turbine turning gear system |
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| CN206571537U (en) * | 2017-01-23 | 2017-10-20 | 喀什德力克石油工程技术有限公司 | A kind of steam turbine electric barring equipment and turbine generating system |
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| CN208456677U (en) * | 2018-04-20 | 2019-02-01 | 中国电建集团河南工程有限公司 | Hydraulic chain automatic barring gear |
| CN216691346U (en) * | 2021-12-14 | 2022-06-07 | 沈阳东大伟业液压气动装备有限责任公司 | Hydraulic chain type automatic barring gear |
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| Publication number | Publication date |
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| CN108386241A (en) | 2018-08-10 |
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