CN201535324U - Elevation online regulating device for rotary machinery bearings - Google Patents
Elevation online regulating device for rotary machinery bearings Download PDFInfo
- Publication number
- CN201535324U CN201535324U CN2009203048242U CN200920304824U CN201535324U CN 201535324 U CN201535324 U CN 201535324U CN 2009203048242 U CN2009203048242 U CN 2009203048242U CN 200920304824 U CN200920304824 U CN 200920304824U CN 201535324 U CN201535324 U CN 201535324U
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- slide block
- elevation
- base
- bearing
- regulating device
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- 230000001105 regulatory effect Effects 0.000 title abstract description 7
- 210000004907 gland Anatomy 0.000 claims description 9
- 230000001276 controlling effect Effects 0.000 description 7
- 241000239290 Araneae Species 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model discloses an elevation online regulating device for rotary machinery bearings, and belongs to the technical field of power machinery. The elevation online regulating device is characterized in that the elevation of a supported object is changed through relatively moving a conical slide block, the elevation online regulating device is composed of a vertical riser, an upper slide block, a lower slide block, a lead screw, a base and a pressing piece, wherein the tapers of contact faces of the upper slide block and the lower slide block are the same, the lower slide block only can move on inner edges of slide block guide rails and base guide rails along the horizontal direction under the traction of the lead screw, and the upper slide block is pushed by the lower slide block or the pressing piece only to vertically move along guide rails of the vertical riser. The elevation online regulating device can be used for elevation regulation of rotary machinery, such as engines, generators, and compressor bearings, guarantees the support rigidity of bearing blocks, does not stop and use a hoist, can regulate the elevation without lifting rotors and the bearing block, and has simple structure, convenient use and high precision of bearing elevation regulation.
Description
Technical field
The utility model belongs to the dynamic power machine technical field, relates to a kind of device for adjusting elevation of bearing in rotating machinery on line that is used for.
Background technique
In the rotating machinery, mainly use the bearing supporting rotor as motor, generator, compressor etc., the absolute altitude of bearing and the support stiffness of bearing support have significant effects for the dynamics of whole rotating machinery.The adjustment of bearing in rotating machinery absolute altitude in the past is to finish by the mode that installs pad under bearing additional, and each the adjustment needs to shut down and employ that crane lifts rotor and bearing support just can be finished, and this process also needs to repeat repeatedly just can meet the requirements of precision sometimes.Though the rigidity that this has guaranteed the bearing supporting expend plenty of time and human resources, and the adjustment error of absolute altitude is also bigger.
Patent application: the controlled regulating device of bearing in rotating machinery absolute altitude, application number: 200420018846.X, its main contents are as follows: see shown in Figure 1, it is by left positioning plate 1, top cover 2, left slider 3, right slide block 4, screw rod 5, right location side plate 6, base 7, positioning pin rod 8, front side plate 23, back side panel 24 is formed, the bottom of location, left side side plate 1 is fixed on the left end of base 7, the bottom of right location side plate 6 is fixed on the right-hand member of base 7, front side plate 23 is fixed on location, left side side plate 1, the front side of base 7 and right location side plate 6, back side panel 24 is fixed on location, left side side plate 1, the rear side of base 7 and right location side plate 6, the lower end of left slider 3 is located in the left domatic chute 10 on base 7 tops, the lower end of right slide block 4 is located in the right domatic chute 16 on base 7 tops, the left side of screw rod 5 is threaded with left slider 3, the right side of screw rod 5 is threaded with right slide block 4, the left end of screw rod 5 passes the through hole 11 on the side plate 1 of location, a left side, its outer end is fixed with screw rod handle 12, the lower end of the positioning pin rod 8 of restriction screw rod 5 move left and right is fixed on the upper end at base 7 middle parts, the top of positioning pin rod 8 and screw rod 5 flexibly connect, the hand of spiral of screw rod 5 left and right sides is opposite each other, left domatic chute 10 on the base 7 is symmetrical arranged with right domatic chute 16, side plate 1 is located with a left side respectively in the four sides all around of top cover 2, the inner slide on right location side plate 6 and front side plate 23 and back side panel 24 tops is connected, and the chute 9 of top cover 2 downsides is slidingly connected with the upper end of left slider 3 and right slide block 4 respectively.It to identical or opposite direction moves the vertical height of adjusting top cover simultaneously by two conical sliding blocks with two inclined-planes, and two conical sliding blocks pass through the positive left-hand thread traction realization at same rotary screw two ends.This method has made things convenient for the adjustment of bearing absolute altitude, be feasible in theory, but in practice, have two subject matters: one is that four inclined-planes must have identical tapering, if processing or alignment error appear in the tapering on some inclined-planes, then must cause the contact between the conical surface to contact by face contact becoming line; The 2nd, even guaranteed the tapering on four inclined-planes, the right-and-left threaded starting point at rotary screw two ends and final position etc. are in case the line contact also must appear in appearance deviation slightly between the surface of contact.The appearance of line contact, the serious on the one hand vertical stiffness that reduces the bearing supporting makes bearing support tilt on the other hand, has reduced the degree of regulation of the absolute altitude of bearing.Therefore, there is big problem in actual applications in this method adjustment bearing spider absolute altitude.
The model utility content
The technical problems to be solved in the utility model provides a kind of bearing in rotating machinery absolute altitude controlling device, it does not need rotor and bearing support are lifted the adjustment that just can finish absolute altitude, and guaranteed the bearing support level to vertical to support stiffness, simple in structure, easy to use, the bearing elevation adjustment precision height.
The technical solution of the utility model is as follows:
Form by vertical riser, top slide block, bottom slide block, leading screw screw rod and base, about two vertical guide rail risers be fixed on the base, the two ends of top slide block contact with the guide rail of two vertical risers along guide rail is vertical and move, and contact with the bottom slide block face below the top slide block; The upper and lower faces of bottom slide block contacts with base with top slide block respectively, along the guide rail level of the guide rail of top slide block and base to moving; The leading screw screw rod is stuck in the vertical riser on right side by its positioning pin rod, and the leading screw screw rod draws bottom slide block by screw thread; The top slide block top is provided with compressing member, and compressing member is made up of anchorage bar, gland nut and holddown spring, and anchorage bar passes bottom slide block and is fixed on the base.By adjusting gland nut or changing holddown spring and can regulate the vertical pretightening force or the vertical stiffness of bearing absolute altitude controlling device.Have only a top slide block to contact by the conical surface in the whole bearing absolute altitude controlling device, guaranteed the support stiffness of bearing spider absolute altitude controlling device with bottom slide block.Have vertical riser guide rail, top slide block guide rail and base rail on vertical riser, bottom slide block and the base.
The application's device for adjusting elevation of bearing in rotating machinery on line also can adopt compressing member to be made up of anchorage bar, gland nut and holddown spring, and anchorage bar passes bottom slide block and is fixed on the base; Gland nut is adjusted the pretightening force of holddown spring, and holddown spring can be changed.
The beneficial effects of the utility model are to can be used for rotating machinery; adjustment as motor, generator, bearing of compressor absolute altitude; guaranteed the support stiffness of bearing support; need not shut down, not use crane, need not lift the adjustment that rotor and bearing support just can be finished absolute altitude; simple in structure; easy to use, the bearing elevation adjustment precision height has improved labour productivity greatly.
Description of drawings
Fig. 1 is a bearing in rotating machinery absolute altitude controlling device commonly used at present.
Fig. 2 is a bearing in rotating machinery absolute altitude controlling device structural representation of the present utility model.
Fig. 3 is the plan view of Fig. 2.
Fig. 4 is the A-A sectional view of Fig. 2.
Among the figure: 1 vertical riser; 2 vertical riser guide rails; 3 top slide blocks; 4 top slide block guide rails; 5 bottom slide blocks; 6 anchorage bars; 7 gland nuts; 8 holddown springs; 9 leading screw screw rods; 10 positioning pin rods; 11 screw rod handles; 12 bases; 13 base rails.
Embodiment
Be described in detail specific embodiment of the utility model below in conjunction with technological scheme and accompanying drawing.
Embodiment 1
As Fig. 2, Fig. 3 and shown in Figure 4, present embodiment is made up of vertical riser 1, top slide block 3, bottom slide block 5, leading screw screw rod 9, base 12; About two vertical risers 1 be fixed on the base 12, top slide block 3 cooperates with the vertical riser guide rail 2 of two vertical risers 1, can only be along vertical riser guide rail 2 vertical moving, contact with 5 of bottom slide blocks below the top slide block 3; Bottom slide block 5 cooperates with top slide block 3 and base 12, can only be along base rail 13 levels of the top slide block guide rail 4 of top slide block 3 and base 12 to moving; Leading screw screw rod 9 is stuck in the vertical guide rail riser 1 on right side by its positioning pin rod 10, and leading screw screw rod 9 cooperates with bottom slide block 5 by screw thread, and leading screw screw rod 9 can only rotate and can not move; The rotation of leading screw screw rod 9 drives bottom slide block 5 levels and moves to the left or to the right, and bottom slide block 5 drives top slide blocks 3 vertically upward or move down, and plays the purpose that changes slide block 3 top bearing in rotating machinery absolute altitudes.For top slide block 3 can be moved vertically downward, place four anchorage bars 6 on four through holes in top slide block 3, anchorage bar 6 lower ends are fixed on the base 12, the pretightening force that holddown spring 8 is regulated by gland nut 7 in the upper end, therefore, by adjusting gland nut 7 or changing holddown spring 8 and can regulate the vertical pretightening force or the vertical stiffness of bearing absolute altitude controlling device.
Leading screw screw rod 9 is stuck in the vertical riser 1 on right side by positioning pin rod 10, it can only be rotated and can not move; The rotation traction traction bottom slide block 5 of leading screw screw rod 9, make bottom slide block 5 along base rail 13 levels of the top slide block guide rail 4 of top slide block 3 and base 12 to moving, because top slide block 3 is spacing by two vertical riser 1 levels, so the mobile promotion top slide block 3 of bottom slide block 5 moves up and down along the vertical riser guide rail 2 of vertical guide rail riser 1.Therefore, the rotation of leading screw screw rod 9 can make the absolute altitude of the bearing support of top slide block top supporting change.The level that two vertical risers are used for guaranteeing bearing spider is to support stiffness, and the holddown spring of top slide block top is used for guaranteeing the vertical support stiffness of bearing spider.
Claims (3)
1. device for adjusting elevation of bearing in rotating machinery on line, comprise vertical guide rail riser (1), top slide block (3), bottom slide block (5), leading screw screw rod (9), base (12) and compressing member, it is characterized in that: about two vertical risers (1) be fixed on the base (12), top slide block (3) both sides cooperate with two vertical risers (1) respectively; Bottom slide block (5) cooperates with top slide block (3) and base (12) respectively, and leading screw screw rod (9) is stuck in the vertical riser (1) on right side by its positioning pin rod, and by screw thread traction bottom slide block (5); Top slide block (3) top is provided with compressing member.
2. device for adjusting elevation of bearing in rotating machinery on line as claimed in claim 1, its feature also is: have vertical riser guide rail (2), top slide block guide rail (4) and base rail (13) on vertical riser (1), bottom slide block (5) and the base (12).
3. device for adjusting elevation of bearing in rotating machinery on line as claimed in claim 1, its feature also is: compressing member is made up of anchorage bar, gland nut and holddown spring, and anchorage bar passes bottom slide block and is fixed on the base (12); Gland nut is adjusted the pretightening force of holddown spring, and holddown spring is replaceable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203048242U CN201535324U (en) | 2009-06-23 | 2009-06-23 | Elevation online regulating device for rotary machinery bearings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203048242U CN201535324U (en) | 2009-06-23 | 2009-06-23 | Elevation online regulating device for rotary machinery bearings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201535324U true CN201535324U (en) | 2010-07-28 |
Family
ID=42535103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203048242U Expired - Fee Related CN201535324U (en) | 2009-06-23 | 2009-06-23 | Elevation online regulating device for rotary machinery bearings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201535324U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016162478A1 (en) * | 2015-04-10 | 2016-10-13 | Igus Gmbh | Adjustable bearing unit, in particular for pedestal bearings |
| CN107654507A (en) * | 2017-10-20 | 2018-02-02 | 宁波华驰轴承有限公司 | A kind of bearing block horizontal location adjusting apparatus |
| CN114165525A (en) * | 2021-12-15 | 2022-03-11 | 响水县海源紧定衬套制造有限公司 | Bearing adapter sleeve convenient to install |
| CN114250904A (en) * | 2021-12-27 | 2022-03-29 | 江苏嘉洋华联建筑装饰股份有限公司 | Paper-faced gypsum board reinforcing device for preventing ceiling from cracking and reinforcing method thereof |
-
2009
- 2009-06-23 CN CN2009203048242U patent/CN201535324U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016162478A1 (en) * | 2015-04-10 | 2016-10-13 | Igus Gmbh | Adjustable bearing unit, in particular for pedestal bearings |
| CN107654507A (en) * | 2017-10-20 | 2018-02-02 | 宁波华驰轴承有限公司 | A kind of bearing block horizontal location adjusting apparatus |
| CN114165525A (en) * | 2021-12-15 | 2022-03-11 | 响水县海源紧定衬套制造有限公司 | Bearing adapter sleeve convenient to install |
| CN114250904A (en) * | 2021-12-27 | 2022-03-29 | 江苏嘉洋华联建筑装饰股份有限公司 | Paper-faced gypsum board reinforcing device for preventing ceiling from cracking and reinforcing method thereof |
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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: 20100728 Termination date: 20110623 |