CN105090241A - Adjusting device for water guide shoe - Google Patents
Adjusting device for water guide shoe Download PDFInfo
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- CN105090241A CN105090241A CN201510574410.1A CN201510574410A CN105090241A CN 105090241 A CN105090241 A CN 105090241A CN 201510574410 A CN201510574410 A CN 201510574410A CN 105090241 A CN105090241 A CN 105090241A
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- water guide
- guide shoe
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Abstract
The invention belongs to the technical field of bearing adjusting parts and particularly relates to an adjusting device for a water guide shoe. The adjusting device for the water guide shoe is arranged between a bearing block and the water guide shoe, and the water guide shoe is rotationally connected with a main shaft. The adjusting device is characterized in that the device comprises an adjusting block and an adjusting key; one end of the adjusting block is connected with the water guide shoe through a transmission structure; the two ends of the transmission structure are axially connected with the adjusting block and the water guide shoe in a positioning manner; the other end of the adjusting block is connected with one side of the adjusting key in a sliding manner in the axial direction; the other side of the adjusting key is connected with the bearing block in a sliding manner in the axial direction; and an adjustable positioning mechanism capable of adjusting the axial position of the adjusting key so as to adjust the gap between the water guide shoe and the main shaft is arranged between the adjusting key and the adjusting block. The adjusting device for the water guide shoe has the beneficial effects of being reasonable in design, simple in structure, convenient to use and capable of easily adjusting the gap between a bearing bush and the shaft.
Description
Technical field
The invention belongs to bearing adjustment member technical field, especially relate to a kind of water guide shoe regulating device.
Background technique
Water guide shoe can bear the radial force of hydraulic turbine main shaft, is the bearing that main shaft can be made to keep central position.Be widely used in turbine-generator units, large pump, cement grinding mill, ball grinder bush, the fields such as ship machinery.And water guide shoe needs the central position determining hydraulic turbine main shaft and generator amature when mounted, then the physical location of pressing axle adjusts the gap of bearing.And in prior art not a kind of when mounted can gap width directly between auxiliary adjustment bearing shell and axle to reach the device of optimal design value, in addition, when needing after bearing wear to take off bearing, again adjust the gap width between bearing shell and axle, inconvenient maintenance in the future.
In order to improve prior art, people have carried out long-term exploration, propose various solution.Such as, Chinese patent literature discloses a kind of combination bearing gap adjusting structure [application number: CN201120168857.6], by axial adjustment nut, spacer adjusting nut, first thrust ball bearing, first spacer, second thrust ball bearing, shaft coupling spacer, second spacer, Biserial cylindrical roller bearing, blind flange and nut composition, axial adjustment nut, shaft coupling spacer, Biserial cylindrical roller bearing and nut are arranged on axle from left to right successively, spacer adjusting nut, first thrust ball bearing, first spacer, second thrust ball bearing, second spacer and blind flange are arranged on shaft coupling spacer from left to right successively.
Although such scheme to some extent solves the deficiencies in the prior art, this combination bearing gap adjusting structure is comparatively complicated, and it is convenient not to use, and global design is reasonable not enough, poor practicability.
Summary of the invention
The object of the invention is for the problems referred to above, provide a kind of reasonable in design, structure is simple, easy to use and be beneficial to the water guide shoe regulating device in gap between adjustment bearing shell and axle.
For achieving the above object, present invention employs following technical proposal: this water guide shoe regulating device, be arranged between bearing support and water guide shoe, described water guide shoe is connected with main axis, it is characterized in that, this device comprises adjustment block and adjustment key, described adjustment block one end is connected with water guide shoe by drive mechanism, described drive mechanism two ends are connected with adjustment block and water guide shoe axially locating respectively, the other end of described adjustment block is in axial sliding connection with the side of adjustment key, opposite side and the bearing support of described adjustment key are in axial sliding connection, the axial position thus the adjustable positioning mechanism adjusting gap between water guide shoe and main shaft that can adjust described adjustment key is provided with between described adjustment key and adjustment block.Adjustment key is arranged between bearing support and adjustment block, the axial position of adjustment key is regulated by adjustable positioning mechanism, when adjusting key and moving axially, adjustment block moves radially, thus to adjust between water guide shoe and main shaft gap to reach the device of optimal design value, when not needing after bearing wear to take off bearing, only need again to adjust gap width between bearing shell and axle, convenient maintenance in the future by this water guide shoe regulating device, global design is reasonable, structure is simple, easy to use.
In above-mentioned water guide shoe regulating device, described adjustable positioning mechanism comprises the adjustment screw rod be fixed in adjustment block, described adjustment screw rod is flexibly connected with adjustment key and adjusts bond energy and moves in the axial direction, and described adjustment screw rod is provided with the locking structure that can lock adjustment key after adjusting to the right place.Adjustment key moves along adjustment screw axial, and adjustment screw rod plays double action that is fixing and guiding.
In above-mentioned water guide shoe regulating device, described adjustment key comprises inclined plane part and is positioned at the joint of inclined plane part one end, and described inclined plane part and joint are linked as L-type, described joint has the through hole be placed on adjustment screw rod.
In above-mentioned water guide shoe regulating device, described adjustment block has the first inclined-plane towards one end of adjustment key, and described adjustment key has the second inclined-plane towards the side of adjustment block, and the first described inclined-plane and the second inclined-plane coincide mutually.Gap when the first inclined-plane and the second inclined-plane generation relative sliding between bearing shell and axle changes.
In above-mentioned water guide shoe regulating device, described locking structure comprise be threaded in adjustment screw rod at least one first nut and at least one second nut, the first described nut and the second nut lay respectively at the both sides of joint.First nut and the second nut be used for secured adjusted good after adjustment key.
In above-mentioned water guide shoe regulating device, described drive mechanism comprises drive block, described adjustment block has the first axially locating groove towards one end of drive mechanism, described water guide shoe outer wall has the second axially locating groove, and the two ends of described drive block insert in the first axially locating groove and the second axially locating groove respectively.Be connected by drive block between adjustment block and water guide shoe, prevent adjustment block or water guide shoe from occurring locked moving radially process.
In above-mentioned water guide shoe regulating device, the bottom land of the first described axially locating groove is the first spherical, the end face that described drive block inserts in first axially locating groove one end is the second spherical, and the first described spherical and the second spherical coincide and mutually by the position relationship that adjusts between adjustment block and drive block of mutually sliding.First spherical and the second spherical avoid adjustment block and drive block move radially in process occur locked.
In above-mentioned water guide shoe regulating device, described drive block has the oiling passage in L-type, one end of described oiling passage extends to one end end face that drive block is positioned at the second axially locating groove, and the other end extends to drive block side.By oiling passage to oiling in water guide shoe, be beneficial to lubrication.
In above-mentioned water guide shoe regulating device, the inner side surface of described water guide shoe is provided with wearing layer, and described wearing layer is made up of Babbitt.Wearing layer improves water guide shoe working life.
Compared with prior art, the advantage of this water guide shoe regulating device is:
First, adjustment key is arranged between bearing support and adjustment block, is regulated the axial position of adjustment key by adjustable positioning mechanism, when adjusting key and moving axially, adjustment block moves radially, thus gap is to reach the device of optimal design value between adjustment water guide shoe and main shaft, when not needing after bearing wear to take off bearing, a needs adjusts the gap width between bearing shell and axle again by this water guide shoe regulating device, convenient maintenance in the future, global design is reasonable, and structure is simple, easy to use.
Second, adjustment key moves along adjustment screw axial, adjustment screw rod plays double action that is fixing and guiding, and gap when the first inclined-plane and the second inclined-plane generation relative sliding between bearing shell and axle changes, the first nut and the second nut be used for secured adjusted good after adjustment key.
3rd, be connected by drive block between adjustment block and water guide shoe, the bottom land of the first axially locating groove is the first spherical, and the end face that drive block inserts in first axially locating groove one end is the second spherical, avoid adjustment block and drive block move radially in process occur locked.
4th, by oiling passage to oiling in water guide shoe, be beneficial to lubrication, wearing layer improves water guide shoe working life.
Accompanying drawing explanation
Fig. 1 is structural representation provided by the invention.
Fig. 2 is the enlarged view at A place provided by the invention.
In figure, bearing support 1, water guide shoe 2, main shaft 3, adjustment block 4, adjustment key 5, adjustable positioning mechanism 6, adjustment screw rod 7, locking structure 8, inclined plane part 9, joint 10, inclined-plane 13, first, through hole 11, first inclined-plane 12, second nut 14, second nut 15, drive block 16, first axially locating groove 17, second axially locating groove 18, first spherical 19, second spherical 20, oiling passage 21, wearing layer 22.
Embodiment
Embodiment
As shown in Figure 1-2, this water guide shoe regulating device is arranged between bearing support 1 and water guide shoe 2, water guide shoe 2 and main shaft 3 are rotationally connected, it is characterized in that, this device comprises adjustment block 4 and adjustment key 5, adjustment block 4 one end is connected with water guide shoe 2 by drive mechanism, drive mechanism two ends are connected with adjustment block 4 and water guide shoe 2 axially locating respectively, the other end of adjustment block 4 is in axial sliding connection with the side of adjustment key 5, opposite side and the bearing support 1 of adjustment key 5 are in axial sliding connection, the axial position thus the adjustable positioning mechanism 6 adjusting gap between water guide shoe 2 and main shaft 3 that can adjust described adjustment key 5 is provided with between adjustment key 5 and adjustment block 4.Adjustment key 5 is arranged between bearing support 1 and adjustment block 4, the axial position of adjustment key 5 is regulated by adjustable positioning mechanism 6, when adjusting key 5 and moving axially, adjustment block 4 moves radially, thus to adjust between water guide shoe 2 and main shaft 3 gap to reach the device of optimal design value, when not needing after bearing wear to take off bearing, only need again to adjust gap width between bearing shell and axle, convenient maintenance in the future by this water guide shoe regulating device, global design is reasonable, structure is simple, easy to use.
Wherein, adjustable positioning mechanism 6 comprises the adjustment screw rod 7 be fixed in adjustment block 4, adjustment screw rod 7 is flexibly connected and adjusts key 5 can move in the axial direction with adjustment key 5, adjustment screw rod 7 is provided with the locking structure 8 that can lock adjustment key 5 after adjusting to the right place, adjustment key 5 moves axially along adjustment screw rod 7, and adjustment screw rod 7 plays double action that is fixing and guiding.More particularly, adjustment key 5 comprises inclined plane part 9 and is positioned at the joint 10 of inclined plane part 9 one end, and inclined plane part 9 and joint 10 are linked as L-type, joint 10 has the through hole 11 be placed on adjustment screw rod 7.Adjustment block 4 has the first inclined-plane 12 towards one end of adjustment key 5, adjustment key 5 has the second inclined-plane 13 towards the side of adjustment block 4, first inclined-plane 12 and the second inclined-plane 13 coincide mutually, and gap when relative sliding occurs for the first inclined-plane 12 and the second inclined-plane 13 between bearing shell and axle changes.
More particularly, locking structure 8 comprises at least one first nut 14 and at least one second nut 15 be threaded on adjustment screw rod 7, first nut 14 and the second nut 15 lay respectively at the both sides of joint 10, the first nut 14 and the second nut 15 good for secured adjusted after adjustment key 5.Drive mechanism comprises drive block 16, adjustment block 4 has the first axially locating groove 17 towards one end of drive mechanism, water guide shoe 2 outer wall has the second axially locating groove 18, the two ends of drive block 16 insert in the first axially locating groove 17 and the second axially locating groove 18 respectively, be connected by drive block 16 between adjustment block 4 and water guide shoe 2, prevent adjustment block 4 or water guide shoe 2 from occurring locked moving radially process.Improve as one, the bottom land of the first axially locating groove 17 is the first spherical 19, the end face that drive block 16 inserts in first axially locating groove 17 one end is the second spherical 20, first spherical 19 and the second spherical 20 coincide and mutually by the position relationship adjusted between adjustment block 4 and drive block 16 that mutually slides, the first spherical 19 and the second spherical 20 avoid adjustment block 4 and drive block 16 move radially in process occur locked.Improve as one, drive block 16 has the oiling passage 21 in L-type, one end of oiling passage 21 extends to one end end face that drive block 16 is positioned at the second axially locating groove 18, and the other end extends to drive block 16 side, by oiling passage 21 to oiling in water guide shoe, be beneficial to lubrication.Improve as one, the inner side surface of water guide shoe 2 is provided with wearing layer 22, and wearing layer 22 is made up of Babbitt, and wearing layer 22 improves water guide shoe 2 working life.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ the term such as bearing support 1, water guide shoe 2, main shaft 3, adjustment block 4, adjustment key 5, adjustable positioning mechanism 6, adjustment screw rod 7, locking structure 8, inclined plane part 9, joint 10, inclined-plane 13, first, through hole 11, first inclined-plane 12, second nut 14, second nut 15, drive block 16, first axially locating groove 17, second axially locating groove 18, first spherical 19, second spherical 20, oiling passage 21, wearing layer 22 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (9)
1. a water guide shoe regulating device, be arranged between bearing support (1) and water guide shoe (2), described water guide shoe (2) and main shaft (3) are rotationally connected, it is characterized in that, this device comprises adjustment block (4) and adjustment key (5), described adjustment block (4) one end is connected with water guide shoe (2) by drive mechanism, described drive mechanism two ends are connected with adjustment block (4) and water guide shoe (2) axially locating respectively, the other end of described adjustment block (4) is in axial sliding connection with the side of adjustment key (5), opposite side and the bearing support (1) of described adjustment key (5) are in axial sliding connection, the axial position thus the adjustable positioning mechanism (6) adjusting gap between water guide shoe (2) and main shaft (3) that can adjust described adjustment key (5) is provided with between described adjustment key (5) and adjustment block (4).
2. water guide shoe regulating device according to claim 1, it is characterized in that, described adjustable positioning mechanism (6) comprises the adjustment screw rod (7) be fixed in adjustment block (4), described adjustment screw rod (7) is flexibly connected and adjusts key (5) can move in the axial direction with adjustment key (5), and described adjustment screw rod (7) is provided with the locking structure (8) that can lock adjustment key (5) after adjusting to the right place.
3. water guide shoe regulating device according to claim 2, it is characterized in that, described adjustment key (5) comprises inclined plane part (9) and is positioned at the joint (10) of inclined plane part (9) one end, described inclined plane part (9) and joint (10) are linked as L-type, described joint (10) have the through hole (11) be placed in adjustment screw rod (7).
4. water guide shoe regulating device according to claim 2, it is characterized in that, described adjustment block (4) has the first inclined-plane (12) towards one end of adjustment key (5), described adjustment key (5) has the second inclined-plane (13) towards the side of adjustment block (4), and described the first inclined-plane (12) and the second inclined-plane (13) coincide mutually.
5. the water guide shoe regulating device according to Claims 2 or 3 or 4, it is characterized in that, described locking structure (8) comprises and is threaded at least one first nut (14) in adjustment screw rod (7) and at least one the second nut (15), and described the first nut (14) and the second nut (15) lay respectively at the both sides of joint (10).
6. the water guide shoe regulating device according to claim 1 or 2 or 3 or 4, it is characterized in that, described drive mechanism comprises drive block (16), described adjustment block (4) has the first axially locating groove (17) towards one end of drive mechanism, described water guide shoe (2) outer wall has the second axially locating groove (18), and the two ends of described drive block (16) insert in the first axially locating groove (17) and the second axially locating groove (18) respectively.
7. water guide shoe regulating device according to claim 6, it is characterized in that, the bottom land of the first described axially locating groove (17) is the first spherical (19), the end face that described drive block (16) inserts in first axially locating groove (17) one end is the second spherical (20), and described the first spherical (19) and the second spherical (20) coincide and mutually by the position relationship adjusted between adjustment block (4) and drive block (16) that mutually slides.
8. water guide shoe regulating device according to claim 6, it is characterized in that, described drive block (16) has the oiling passage (21) in L-type, one end of described oiling passage (21) extends to one end end face that drive block (16) is positioned at the second axially locating groove (18), and the other end extends to drive block (16) side.
9. the water guide shoe regulating device according to claim 1 or 2 or 3 or 4, it is characterized in that, the inner side surface of described water guide shoe (2) is provided with wearing layer (22), described wearing layer (22) is made up of Babbitt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510574410.1A CN105090241A (en) | 2015-09-10 | 2015-09-10 | Adjusting device for water guide shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510574410.1A CN105090241A (en) | 2015-09-10 | 2015-09-10 | Adjusting device for water guide shoe |
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| Publication Number | Publication Date |
|---|---|
| CN105090241A true CN105090241A (en) | 2015-11-25 |
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ID=54571335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510574410.1A Pending CN105090241A (en) | 2015-09-10 | 2015-09-10 | Adjusting device for water guide shoe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105090241A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339313A (en) * | 2021-07-08 | 2021-09-03 | 哈尔滨电气动力装备有限公司 | Centrifugal adjusting method for odd asymmetric radial tile gaps of shaft seal type nuclear main pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0586861A1 (en) * | 1992-09-05 | 1994-03-16 | Asea Brown Boveri Ag | Combined thrust and support bearing for hydroelectric machine with vertical axis |
| CN201025224Y (en) * | 2007-03-30 | 2008-02-20 | 天津市天发重型水电设备制造有限公司 | Supporting and adjustment device for block tile bearing and axis tile wedge plate of water wheel machine |
| CN201180609Y (en) * | 2008-04-11 | 2009-01-14 | 天津市天发重型水电设备制造有限公司 | Guide bearing support structure of vertical hydraulic turbogenerator |
| CN202176445U (en) * | 2011-07-14 | 2012-03-28 | 湖北白莲河抽水蓄能有限公司 | Trust bearing of reversible water pump water turbine generator set |
| CN203743221U (en) * | 2013-12-26 | 2014-07-30 | 重庆水轮机厂有限责任公司 | Bevel wedge type guide bearing bush gap adjusting device of water turbine |
| CN204985327U (en) * | 2015-09-10 | 2016-01-20 | 浙江正盛轴瓦有限责任公司 | Water guide shoe adjusting device |
-
2015
- 2015-09-10 CN CN201510574410.1A patent/CN105090241A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0586861A1 (en) * | 1992-09-05 | 1994-03-16 | Asea Brown Boveri Ag | Combined thrust and support bearing for hydroelectric machine with vertical axis |
| CN201025224Y (en) * | 2007-03-30 | 2008-02-20 | 天津市天发重型水电设备制造有限公司 | Supporting and adjustment device for block tile bearing and axis tile wedge plate of water wheel machine |
| CN201180609Y (en) * | 2008-04-11 | 2009-01-14 | 天津市天发重型水电设备制造有限公司 | Guide bearing support structure of vertical hydraulic turbogenerator |
| CN202176445U (en) * | 2011-07-14 | 2012-03-28 | 湖北白莲河抽水蓄能有限公司 | Trust bearing of reversible water pump water turbine generator set |
| CN203743221U (en) * | 2013-12-26 | 2014-07-30 | 重庆水轮机厂有限责任公司 | Bevel wedge type guide bearing bush gap adjusting device of water turbine |
| CN204985327U (en) * | 2015-09-10 | 2016-01-20 | 浙江正盛轴瓦有限责任公司 | Water guide shoe adjusting device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339313A (en) * | 2021-07-08 | 2021-09-03 | 哈尔滨电气动力装备有限公司 | Centrifugal adjusting method for odd asymmetric radial tile gaps of shaft seal type nuclear main pump |
| CN113339313B (en) * | 2021-07-08 | 2022-07-22 | 哈尔滨电气动力装备有限公司 | Centrifugal adjusting method for odd asymmetric radial tile gaps of shaft seal type nuclear main pump |
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Application publication date: 20151125 |
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