CN213592516U - Thin-wall sliding bearing bush grinding and scraping fixing device - Google Patents
Thin-wall sliding bearing bush grinding and scraping fixing device Download PDFInfo
- Publication number
- CN213592516U CN213592516U CN202021545578.2U CN202021545578U CN213592516U CN 213592516 U CN213592516 U CN 213592516U CN 202021545578 U CN202021545578 U CN 202021545578U CN 213592516 U CN213592516 U CN 213592516U
- Authority
- CN
- China
- Prior art keywords
- grinding
- screw rod
- seat
- sliding bearing
- bush
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sliding-Contact Bearings (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The utility model discloses a thin-wall sliding bearing bush grinding and scraping fixing device, relating to the field of bearing bush fixed grinding and scraping; the grinding tool comprises a false shaft grinding tool, a fixed seat and a sliding bearing bush arranged on the fixed seat, wherein the fixed seat comprises a bearing seat, a screw rod, a nut matched with the upper end of the screw rod for use, a semicircular nut integrated with the lower end of the screw rod and a pipe sleeve matched with the screw rod for use; the screw penetrates through the fixing bolt hole and penetrates through the bearing seat; the pipe sleeve presses the lug of the sliding bearing bush; the nut is screwed into the upper end of the screw rod and tightly presses the pipe sleeve; the grinding device comprises a dummy shaft, flanges are arranged at two ends of the dummy shaft, and a grinding section is arranged in the middle of the dummy shaft; this scheme adopts fixing device to fix the sliding bearing shell, makes its appearance state that can resume the actual work in-process, can also guarantee that the relative position of sliding bearing shell and bearing frame is reliable, utilizes the dummy shaft to grind and can effectively prevent the sliding bearing shell from sliding along with the dummy shaft, has improved and has scraped quality and precision.
Description
Technical Field
The utility model relates to an axle bush is fixed to be ground, is scraped and is ground the field, concretely relates to thin wall sliding bearing bush grinds, scrapes and grinds fixing device.
Background
The piston oxygen press in system oxygen workshop belongs to the key equipment in system oxygen workshop, and the tile that gets rid of this equipment adopts subdivision formula thin wall entad slide bearing, and this type of bearing bush mainly is on the big-and-middle-sized machine of heavy load like metallurgical mining machinery, large-scale generator, ball mill, piston compressor and haulage vehicle etc.. The material is mainly babbitt metal. During assembly, the precision requirement is generally met by adopting a scraping method, and the service performance is ensured. Therefore, the quality of the scraping is critical to the operation of the machine. The scraping quality is not good, and the machine can easily cause the bearing bush to be locally damaged and to reach most of damage in a very short time when in test run until the bearing bush is stuck and seized, and the bearing bush can not be used after being damaged. Therefore, the requirements on the grinding of the bearing bush and the quality of the scraped bearing bush are very high when the bearing bush is scraped. However, the thin-wall sliding bearing bush has insufficient rigidity and large elastic deformation, the contact area between the bearing bush and the dummy shaft is insufficient when the dummy shaft is used for grinding, and the contact area is in line contact during actual grinding, so that the precision requirement is far from met.
If use the step to carry out the fixed scraping of axle bush, the axle bush is inseparable with the tile seat contact, because the dummy shaft quality is big easily leads to breaking away from the tile seat after changeing the slide bearing area when using the dummy shaft to grind, can't normally scrape at all, seriously influences scraping quality and scraping progress and precision. Because the piston oxygen compressor is not provided with a matched special scraping tool and a suitable special tool is not available in the market, the problem of how to finish grinding and scraping of the thin-wall sliding bearing bush becomes a primary task, and the processing problem of the bearing bush becomes a difficult problem to be solved urgently because the production task is heavy and the urgent repair task is tight.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fixing device that axle bush ground to put in good importance to thin wall sliding bearing shell deflection big, the tile wall is crossed thinly, the tile itself has elastic deformation and can't effectively fix and grind, scrape the characteristics of grinding, design and made one set of device that can effectively fix and the centre gripping axle bush, the device can perfectly solve thin wall sliding bearing shell grinding, the axle bush warp the problem that slides and influence size accuracy when scraping, can also effectively eliminate the elastic deformation of axle bush self, it provides powerful technical measure and prerequisite guarantee to repair for the scraping of axle bush.
The utility model adopts the technical scheme as follows:
the utility model provides a thin wall sliding bearing bush grinds, scrapes and grinds fixing device, includes false axle grinding tool, fixing base and places the movable bearing bush on the fixing base, the fixing base include bearing frame, screw rod, sleeve pipe, nut, semi-circular nut, the bearing frame intermediate position has the tile seat of placing the sliding bearing bush, and the relative position has seted up the fixing bolt hole in the middle of the tile seat both sides of bearing frame, the screw rod passes through the bearing frame through the fixing bolt hole, cover sleeve pipe income screw rod, nut screw in screw rod upper end compress tightly the sleeve pipe, false axle grinding tool includes the false axle, false axle both ends are the flange, and the false axle interlude is the section of grinding.
Preferably, the shape of the shoe seat arranged in the middle of the bearing seat is the same as that of the sliding bearing bush, and the length of the shoe seat is greater than or equal to that of the sliding bearing bush.
Preferably, the middle part of the sleeve is provided with an arc-shaped notch.
Preferably, the opposite side of the sleeve presses against the lugs of the shoe, and the wall thickness of the sleeve presses against the lugs of the shoe and does not exceed the lug width.
Preferably, the dummy shaft is provided with a flange, and the length of the grinding section of the dummy shaft is greater than or equal to the length of the shoe seat.
Preferably, the lower end of the screw rod is integrally connected with a semicircular screw cap.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, the tile seat shape is the same with the movable shaft bush for the movable shaft bush can laminate the tile seat and put into completely, and keeps the appearance shape of during operation, improves and grinds the precision.
2. The utility model discloses in, the sleeve pipe middle part is provided with the arc breach, and arc breach concave surface is tangent with the screw rod, when dummy shaft grinding section diameter is less than the interval between two nuts on the screw rod, when the dummy shaft can't be put down from vertical orientation, can follow the arc breach level earlier and send into, vertical putting down again, has avoided causing the axle bush to warp because the interval is narrow when putting down from vertical orientation.
3. The utility model discloses in, utilize sheathed tube wall thickness to push down the lug of slip bush, the sleeve pipe has both played limiting displacement, has played the fixed action again.
4. The utility model discloses in, be semi-circular nut with screw rod lower extreme complex nut, because the bearing frame bottom is too near with the fixing bolt hole distance, the stranded nut of the hexagonal of general adoption is put down, and semi-circular nut can be put into on the one hand, and on the other hand can play spacing effect, prevents that the screw rod from rotating, causes the extrusion of axle bush.
5. The utility model discloses in, the dummy shaft has the flange, and the grinding section length of dummy shaft is more than or equal to tile seat length, can guarantee to grind the section and to the complete grinding of movable shaft bush, and the flange can prevent that the dummy shaft from guaranteeing grinding efficiency and precision in the off-position of grinding in-process.
6. The utility model discloses in, screw rod lower extreme body coupling's semi-circular nut has played limiting displacement, and its semicircular setting also can adapt to the shape change of bearing frame.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the relative position of the dummy shaft and the bearing seat during operation of the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of the present invention;
the labels in the figure are: 1-nut, 2-sleeve, 3-screw, 4-false shaft, 5-arc notch, 6-bearing seat, 7-sliding bearing bush, 8-flange, 9-grinding section, 10-fixing bolt hole, 11-lug and 12-semicircular nut.
Detailed Description
In the attached fig. 1, in order to better embody the technical point of the technical solution that the wall thickness of the sleeve 2 is used for pressing the lug 11 of the sliding bearing bush 7, the thickness of the lug 11 is shown to be thicker than the actual situation, so that the more clear and intuitive understanding can be realized, in practice, the thickness of the lug 11 is only about 5mm, and the thickness of the lug 11 does not incline the sleeve 2 in the actual work, and does not affect the technical effect.
The present invention will be described in detail with reference to fig. 1 to 3 and the detailed description thereof.
As shown in fig. 1, a thin-wall sliding bearing bush grinding and scraping fixing device comprises a false shaft grinding tool, a fixing seat and a sliding bearing bush 7 arranged on the fixing seat, wherein the fixing seat comprises a bearing seat 6, a screw rod 3, a sleeve 2, a nut 1 and a semicircular nut 12 integrally connected with the lower end of the screw rod 3, a bush seat for placing the sliding bearing bush 7 is arranged in the middle of the bearing seat 6, fixing bolt holes 10 are formed in the middle positions of two sides of the bush seat of the bearing seat 6, the screw rod 3 penetrates through the bearing seat 6 through the fixing bolt holes 10, the sleeve 2 is sleeved in the screw rod 3, the nut 1 is screwed in the upper end of the screw rod 3 to compress the sleeve 2, the false shaft grinding tool comprises a false shaft 4, two ends of the false shaft are flanges 8, and the.
Example 1
The principle of the present invention in actual operation will be explained with reference to the above description, as shown in fig. 1. Firstly, a bearing seat 6 is clamped and fixed on a bench vice, a sliding bearing bush 7 is placed on a bush seat of the bearing seat 6, the position is adjusted to be attached, the length of a screw rod 3 is 100mm, the diameter of a fixing bolt hole 10 is 25mm, the lower end of the screw rod 3 penetrates through the bearing seat 6 through the fixing bolt hole 10, a semicircular screw cap 12 is used for limiting, the upper end of the screw rod 3 is processed into M16, a sleeve 2 with the length of 60mm, the inner diameter of 25.10mm and the outer diameter of 29.8mm is used in a matching manner, the sleeve 2 is sleeved on the screw rod 3, the position is adjusted to enable the sleeve 2 to be in the middle position, the lugs of the sliding bearing bush 7 are pressed, the wall thickness of the sleeve 2 is adjusted to just press the lugs 11 of the bearing bush 7 and not exceed the thickness of the sliding bearing bush 7, at the moment, the screw cap 1 is screwed into the upper end, and putting down the grinding tool from the vertical direction to be attached to the sliding bearing bush 7, and starting grinding.
Example 2
The principle of the present invention in actual operation will be explained with reference to the above description, as shown in fig. 1. Firstly, a bearing seat 6 is clamped and fixed on a bench vice, a sliding bearing bush 7 is placed on a bush seat of the bearing seat 6, the position is adjusted to be attached, the length of a screw rod 3 is 100mm, the diameter of a fixing bolt hole 10 is 25mm, the lower end of the screw rod 3 penetrates through the bearing seat 6 through the fixing bolt hole 10, a semicircular screw cap 12 is used for limiting, the upper end of the screw rod 3 is processed into M16, a sleeve 2 with the length of 60mm, the inner diameter of 25.10mm and the outer diameter of 29.8mm is used in a matching manner, the sleeve 2 is sleeved on the screw rod 3, the position is adjusted to enable the sleeve 2 to be in the middle position, the lugs 11 of the sliding bearing bush 7 are pressed, the wall thickness of the sleeve 2 is adjusted to just enable the lugs 11 of the sliding bearing bush 7 to be pressed and not to exceed the thickness of the sliding bearing bush 7, at the moment, the screw cap 1 is, the distance between two nuts 1 at the upper end of the screw rod 3 is smaller than the diameter of a grinding section 9 of the dummy shaft, so that the dummy shaft 4 cannot be vertically put down from the upper part, the dummy shaft 4 is horizontally conveyed to the position right above the sliding bearing bush 7 through the arc-shaped notch 5, and then the dummy shaft vertically moves downwards to a grinding position.
Example 3
To further explain the utility model with reference to fig. 3, the bearing seat 6 is changed into the shape as shown in fig. 3 according to actual requirements, the depth of the bush seat is deepened, so that the distance between the bush seat and the semicircular nut 12 becomes narrower, firstly, the bearing seat 6 is clamped and fixed on a bench vice, the sliding bearing bush 7 is placed on the bush seat of the bearing seat 6, the position is adjusted to be attached, the length of the screw rod 3 is 100mm, the diameter of the fixing bolt hole 10 is 25mm, the lower end of the screw rod 3 penetrates through the bearing seat 6 through the fixing bolt hole 10, the semicircular nut 12 is limited, the upper end of the screw rod 3 is processed into M16, the matching use length is 60mm, the inner diameter size is 25.10mm, the outer diameter size is 29.8mm, the sleeve 2 is sleeved on the screw rod 3, the adjusting position allows the sleeve 2 to be in the middle position, the lug 11 of the sliding bearing bush 7 is pressed, the wall thickness of the sleeve 2 is adjusted to be just capable, and adjusting the position of the screw rod 3 to enable the side face with the largest area of the semicircular screw cap 12 to be parallel to the outer side face of the bush seat, screwing the screw cap 1 into the upper end of the screw rod 3 at the moment until the sleeve 2 is compressed, and then stopping to fix the sliding bearing bush 7.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A thin-wall sliding bearing bush grinding and scraping fixing device comprises a dummy shaft grinding tool, a fixed seat and a sliding bearing bush (7) arranged on the fixed seat, it is characterized in that the fixed seat comprises a bearing seat (6), a screw rod (3), a sleeve (2) and a screw cap (1), a bush seat for placing a sliding bearing bush (7) is arranged in the middle of the bearing seat (6), fixing bolt holes (10) are formed in the middle opposite positions of two sides of the bush seat of the bearing seat (6), the screw rod (3) penetrates through the bearing seat (6) through a fixing bolt hole (10), the screw rod (3) is sleeved in the sleeve (2), the nut (1) is screwed into the upper end of the screw rod (3) to press the sleeve (2), the dummy shaft grinding tool comprises a dummy shaft (4), flanges (8) are arranged at two ends of the dummy shaft (4), and a grinding section (9) is arranged at the middle section of the dummy shaft (4).
2. The thin-walled plain bearing shell grinding and scraping fixture as claimed in claim 1, wherein the shape of the bearing shell (6) is the same as that of the plain bearing shell (7), and the length of the bearing shell is greater than or equal to that of the plain bearing shell (7).
3. A grinding and scraping fixture for thin-walled plain bearing shells according to claim 1, characterized in that the opposite side of said sleeve (2) is pressed against the lugs (11) of the plain bearing shells (7).
4. A grinding and scraping fixture for thin-walled plain bearing shells according to claim 1, characterized in that said sleeve (2) has an arcuate notch (5) in the middle.
5. A thin-walled plain bearing shell grinding and lapping fixture as claimed in claim 1, wherein said grinding segment (9) has a length greater than or equal to the length of the shell carrier.
6. A grinding and scraping fixture for thin-walled plain bearing shells according to claim 1, characterized in that the lower end of said threaded rod (3) is integrally connected with a semicircular nut (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021545578.2U CN213592516U (en) | 2020-07-30 | 2020-07-30 | Thin-wall sliding bearing bush grinding and scraping fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021545578.2U CN213592516U (en) | 2020-07-30 | 2020-07-30 | Thin-wall sliding bearing bush grinding and scraping fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213592516U true CN213592516U (en) | 2021-07-02 |
Family
ID=76583543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021545578.2U Active CN213592516U (en) | 2020-07-30 | 2020-07-30 | Thin-wall sliding bearing bush grinding and scraping fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213592516U (en) |
-
2020
- 2020-07-30 CN CN202021545578.2U patent/CN213592516U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213592516U (en) | Thin-wall sliding bearing bush grinding and scraping fixing device | |
| CN210451905U (en) | Machine part anchor clamps | |
| CN212106821U (en) | Linear sliding table with low abrasion | |
| CN216633799U (en) | Metal fastener grinding device with clamping mechanism for automobile | |
| CN207431981U (en) | A kind of evaporator sealing surface grinding tool | |
| CN214442330U (en) | Automatic production equipment for automobile stamping parts | |
| CN106239364A (en) | A kind of processing tool of the thrust block pad being applicable to thrust bearing | |
| CN2638888Y (en) | Tailstock live centre device | |
| CN211492465U (en) | Tire mold repairing frame | |
| CN210819443U (en) | Clamping device is used in abnormal shape nut processing | |
| CN210732344U (en) | Reduce special frock of spring pressure equipment of work piece drunkenness | |
| CN202388253U (en) | Workpiece compacting device | |
| CN217912314U (en) | Electric hydraulic pipe bender for building construction | |
| CN214869720U (en) | Automatic change grinding device | |
| CN211135043U (en) | Railway signal synthesizes cabinet frock of bending | |
| CN216577575U (en) | Clamping tool is assisted to packing ring and nut | |
| CN211489988U (en) | Wire cutting machine convenient to conveying molybdenum wire | |
| CN214559710U (en) | Polishing machine for processing pliers | |
| CN212192543U (en) | Ultrahigh-hardness material inner hole machining jig | |
| CN213671525U (en) | Film pressing device for metal foil production | |
| CN214743005U (en) | Fixing device is used in instrument and meter production | |
| CN213225364U (en) | Tool setting appearance adapter sleeve with auxiliary positioning mechanism | |
| CN215942787U (en) | Device for disassembling bearing | |
| CN207682080U (en) | A kind of gland device for grinding | |
| CN213969377U (en) | Fixing device for nut tapping |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |