CN112377523B - Bearing group seat capable of accurately adjusting clearance - Google Patents
Bearing group seat capable of accurately adjusting clearance Download PDFInfo
- Publication number
- CN112377523B CN112377523B CN202011585838.3A CN202011585838A CN112377523B CN 112377523 B CN112377523 B CN 112377523B CN 202011585838 A CN202011585838 A CN 202011585838A CN 112377523 B CN112377523 B CN 112377523B
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- gear
- wall
- mounting groove
- ring
- pin shaft
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
- F16C25/06—Ball or roller bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/061—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing mounting a plurality of bearings side by side
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
Abstract
The invention discloses a bearing group seat capable of accurately adjusting a gap, which comprises a shaft body, wherein the outer wall of the shaft body is provided with two tapered roller bearings, the inner rings of the two tapered roller bearings are in interference fit with the outer wall of the shaft body, a supporting mechanism is arranged between the two tapered roller bearings, the top end of a baffle ring is provided with a first mounting groove, the outer wall of the baffle ring is uniformly provided with a plurality of second mounting grooves, a first pin shaft is arranged in the first mounting groove, the first pin shaft and the baffle ring are integrally formed, a second pin shaft is arranged in the second mounting groove, the second pin shaft and the baffle ring are integrally formed, the top end of the first mounting groove is provided with a first clamping groove, and the top end of the second mounting groove is provided with a second clamping groove. This accurate clearance bearing group seat of adjusting carries out work through hexagon socket wrench drive control mechanism to control adjustment mechanism, make two tapered roller bearing's outer lane receive the extrusion, and then realize the regulation work in clearance.
Description
Technical Field
The invention relates to the technical field of bearing group seats, in particular to a bearing group seat capable of accurately adjusting a gap.
Background
The bearing play generally refers to bearing play, so-called rolling bearing play, which is the maximum amount of movement of one ring in the radial or axial direction while the other ring is fixed. The maximum amount of activity in the radial direction is called radial play, and the maximum amount of activity in the axial direction is called axial play. Generally, the greater the radial play, the greater the axial play and vice versa. According to the state of the bearing, the clearance can be divided into an original clearance, an installation clearance and a working clearance. The size of the working clearance has influence on the rolling fatigue life, temperature rise, noise, vibration and other performances of the bearing. Although the accurate adjustment of clearance can be accomplished to current accurate adjustment clearance bearing group seat, but the whole accommodation process is comparatively loaded down with trivial details, and the operating specification is comparatively strict, therefore can prolong the regulation time, influences work efficiency.
Disclosure of Invention
The invention aims to provide a precise clearance adjusting bearing group seat to solve the problems that although the prior precise clearance adjusting bearing group seat in the background art can precisely adjust the clearance, the whole adjusting process is more complicated, and the operation specification is more strict, so that the adjusting time is prolonged, and the working efficiency is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a bearing group seat capable of accurately adjusting a gap comprises a shaft body, wherein two tapered roller bearings are arranged on the outer wall of the shaft body, inner rings of the two tapered roller bearings are in interference fit with the outer wall of the shaft body, a supporting mechanism is arranged between the two tapered roller bearings and is attached to the two tapered roller bearings, and the inner wall of the supporting mechanism is in interference fit with the outer wall of the shaft body;
the supporting mechanism comprises a baffle ring, a first mounting groove, a second mounting groove, a first pin shaft, a first clamping groove, a second pin shaft and a second clamping groove;
the novel bearing ring is characterized in that a first mounting groove is formed in the top end of the retaining ring, a plurality of second mounting grooves are uniformly formed in the outer wall of the retaining ring, a first pin shaft is arranged in the first mounting groove and integrally formed with the retaining ring, a second pin shaft is arranged in the second mounting groove and integrally formed with the retaining ring, a first clamping groove is formed in the top end of the first mounting groove, and a second clamping groove is formed in the top end of the second mounting groove.
Preferably, the outer wall of axis body cup joints with the inner wall of first end cover mutually, the back of first end cover and shell cup joints mutually, the front side of shell is provided with the second end cover, the second end cover cup joints with the front side of shell mutually, first end cover and second end cover all pass through bolt and shell looks rigid coupling, the bottom of shell is provided with the base, the top of base and the bottom looks rigid coupling of shell, fender ring, axis body, tapered roller bearing, shell, first end cover and second end cover are coaxial.
Preferably, a control mechanism is installed in the first installation groove of the baffle ring;
the control mechanism comprises a rotating rod, a first gear, a gear ring, an inner hexagonal hole and a first top cover;
the utility model discloses a gear box, including bull stick, first round pin axle, first gear, the below of bull stick is provided with first gear, the bottom of bull stick and the top looks rigid coupling of first gear, the bottom of first gear cup joints with the outer wall of first round pin axle mutually, first gear and first round pin axle clearance fit, the top of bull stick is provided with first top cap, first top cap and the outer wall clearance fit of bull stick, first top cap and first draw-in groove looks joint, hexagonal hole in having seted up on the top of bull stick, the left and right sides of first gear all meshes has the ring gear, two the inner wall of ring gear cup joints with the both ends about the fender ring respectively mutually.
Preferably, the gear ring is coaxial with the baffle ring, the outer side of the gear ring is provided with pressing rings, the two pressing rings are sleeved with the left end and the right end of the baffle ring, and the pressing rings are coaxial with the baffle ring.
Preferably, an adjusting mechanism is installed in the second installation groove;
the adjusting mechanism comprises a threaded rod, a second gear, a second top cover, a first push block, a second push block and a sliding rod;
the bottom of threaded rod is provided with the second gear, the top of second gear and the bottom looks rigid coupling of threaded rod, the second gear meshes with the ring gear mutually, the bottom of second gear cup joints with the outer wall of second round pin axle mutually, second round pin axle and second gear clearance fit, the top of threaded rod is provided with the second top cap, second top cap and second draw-in groove looks joint, the threaded rod links to each other with first ejector pad screw thread, the second ejector pad has all been laminated to both sides around the first ejector pad, the top of second ejector pad is provided with two slide bars, slide bar and second ejector pad integrated into one piece, the outer wall and the second top cap slip of slide bar cup joint.
Preferably, the two second push blocks are symmetrically distributed in front and back.
Compared with the prior art, the invention has the beneficial effects that: the bearing group seat capable of accurately adjusting the gap drives the control mechanism to work through the inner hexagonal wrench, so that the adjustment mechanism is controlled, the outer rings of the two tapered roller bearings are extruded, and the gap adjustment work is realized;
through the matching of the baffle ring, the first mounting groove, the second mounting groove, the first pin shaft, the first clamping groove, the second pin shaft and the second clamping groove, mounting positions are respectively provided for the control mechanism and the adjusting mechanism under the action of the first mounting groove and the second mounting groove, and the plurality of second mounting grooves are uniformly distributed, so that the position control of the adjusting mechanism and the outer ring of the tapered roller bearing is effectively ensured, and the stability of the whole mechanism is further effectively ensured;
through the matching of the rotating rod, the first gear, the gear ring, the inner hexagonal hole and the first top cover, the inner hexagonal wrench is inserted into the inner hexagonal hole and rotates, so that the first gear is controlled to rotate, the gear ring is controlled to rotate, and the synchronous control of the plurality of adjusting mechanisms is realized, so that the synchronous work of the plurality of adjusting mechanisms is realized;
through the cooperation of threaded rod, second gear, second top cap, first ejector pad, second ejector pad and slide bar to make a plurality of second gears rotate in step in the effect of ring gear, and drive the threaded rod and rotate, make first ejector pad slide along the threaded rod under the effect of screw thread, and promote the outside slip of second ejector pad, and then with tapered roller bearing's outer lane in close contact with, in order to realize the regulation in clearance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;
FIG. 3 is an exploded view of the support mechanism of FIG. 2;
FIG. 4 is a side cut-away schematic view of FIG. 3;
FIG. 5 is a schematic structural view of the second top cover and the second push block of FIG. 3;
FIG. 6 is a perspective view of the baffle ring of FIG. 3;
FIG. 7 is an enlarged view of the structure at A in FIG. 3;
FIG. 8 is a schematic view of the first gear and ring gear configuration of FIG. 4;
fig. 9 is a schematic structural view of the second gear and the first push block of fig. 5.
In the figure: 1. the supporting mechanism 101, a baffle ring 102, a first mounting groove 103, a second mounting groove 104, a first pin shaft 105, a first clamping groove 106, a second pin shaft 107, a second clamping groove 2, a control mechanism 201, a rotating rod 202, a first gear 203, a gear ring 204, a hexagon socket 205, a first top cover 3, an adjusting mechanism 301, a threaded rod 302, a second gear 303, a second top cover 304, a first push block 305, a second push block 306, a slide bar 4, a pressing ring 5, a base 6, a housing 7, a first end cover 8, a second end cover 9, a shaft body 10 and a tapered roller bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: a bearing group seat capable of accurately adjusting a gap comprises a shaft body 9, wherein two tapered roller bearings 10 are arranged on the outer wall of the shaft body 9, inner rings of the two tapered roller bearings 10 are in interference fit with the outer wall of the shaft body 9, a supporting mechanism 1 is arranged between the two tapered roller bearings 10, the supporting mechanism 1 is attached to the two tapered roller bearings 10, and the inner wall of the supporting mechanism 1 is in interference fit with the outer wall of the shaft body 9; the supporting mechanism 1 comprises a baffle ring 101, a first mounting groove 102, a second mounting groove 103, a first pin 104, a first clamping groove 105, a second pin 106 and a second clamping groove 107; first mounting groove 102 has been seted up on the top of keeping off ring 101, keep off ring 101's outer wall and evenly seted up a plurality of second mounting grooves 103, be provided with first round pin axle 104 in the first mounting groove 102, first round pin axle 104 with keep off ring 101 integrated into one piece, be provided with second round pin axle 106 in the second mounting groove 103, second round pin axle 106 with keep off ring 101 integrated into one piece, first draw-in groove 105 has been seted up on the top of first mounting groove 102, second draw-in groove 107 has been seted up on the top of second mounting groove 103.
Through keeping off ring 101, first mounting groove 102, second mounting groove 103, first round pin axle 104, first draw-in groove 105, the cooperation of second round pin axle 106 and second draw-in groove 107 to for control mechanism 2 and adjustment mechanism 3 provide the mounted position respectively under the effect of first mounting groove 102 and second mounting groove 103, and the evenly distributed of a plurality of second mounting grooves 103, the position control of adjustment mechanism 3 with tapered roller bearing 10 outer lane has effectively been guaranteed, and then the stability of effectively guaranteeing whole mechanism.
The outer wall of axis body 9 cup joints with the inner wall of first end cover 7 mutually, first end cover 7 cup joints with the back of shell 6 mutually, the front side of shell 6 is provided with second end cover 8, second end cover 8 cup joints with the front side of shell 6 mutually, first end cover 7 and second end cover 8 all through bolt and shell 6 looks rigid coupling, the bottom of shell 6 is provided with base 5, the top of base 5 and the bottom looks rigid coupling of shell 6, keep off ring 101, the axis body 9, tapered roller bearing 10, shell 6, first end cover 7 and second end cover 8 are coaxial.
A control mechanism 2 is arranged in the first mounting groove 102 of the baffle ring 101; the control mechanism 2 comprises a rotating rod 201, a first gear 202, a gear ring 203, a hexagon socket 204 and a first top cover 205; the below of bull stick 201 is provided with first gear 202, the bottom of bull stick 201 and the top looks rigid coupling of first gear 202, the bottom of first gear 202 cup joints with the outer wall of first round pin axle 104 mutually, first gear 202 and first round pin axle 104 clearance fit, the top of bull stick 201 is provided with first top cap 205, first top cap 205 and the outer wall clearance fit of bull stick 201, first top cap 205 and first draw-in groove 105 looks joint, hexagonal hole 204 in having seted up on the top of bull stick 201, the left and right sides of first gear 202 all meshes has ring gear 203, the inner wall of two ring gear 203 cup joints with both ends about retaining ring 101 respectively mutually. The gear ring 203 is coaxial with the baffle ring 101, the outer side of the gear ring 203 is provided with the pressing rings 4, the two pressing rings 4 are sleeved with the left end and the right end of the baffle ring 101, and the pressing rings 4 are coaxial with the baffle ring 101.
Through the cooperation of bull stick 201, first gear 202, ring gear 203, hexagon socket head cap hole 204 and first top cap 205 to insert hexagon socket head cap spanner in hexagon socket head cap hole 204 and rotate, thereby control first gear 202 and rotate, rotate with control ring gear 203, and then realize a plurality of adjustment mechanism 3 synchro control, with the synchronous work who realizes a plurality of adjustment mechanism 3.
An adjusting mechanism 3 is arranged in the second mounting groove 103; the adjusting mechanism 3 comprises a threaded rod 301, a second gear 302, a second top cover 303, a first push block 304, a second push block 305 and a slide rod 306; the bottom of threaded rod 301 is provided with second gear 302, the top of second gear 302 and the bottom of threaded rod 301 rigid coupling mutually, second gear 302 meshes with ring gear 203 mutually, the bottom of second gear 302 cup joints with the outer wall of second round pin axle 106 mutually, second round pin axle 106 and second gear 302 clearance fit, the top of threaded rod 301 is provided with second top cap 303, second top cap 303 and second draw-in groove 107 looks joint, threaded rod 301 links to each other with first ejector pad 304 screw, second ejector pad 305 has all been laminated to the front and back both sides of first ejector pad 304, the top of second ejector pad 305 is provided with two slide bars 306, slide bar 306 and second ejector pad 305 integrated into one piece, the outer wall of slide bar 306 and the sliding socket of second top cap 303. The two second push blocks 305 are symmetrically distributed front and back.
Through the matching of the threaded rod 301, the second gear 302, the second top cover 303, the first pushing block 304, the second pushing block 305 and the sliding rod 306, the plurality of second gears 302 synchronously rotate under the action of the gear ring 203, and the threaded rod 301 is driven to rotate, so that the first pushing block 304 slides along the threaded rod 301 under the action of the threads, and pushes the second pushing block 305 to slide outwards, and further, the outer ring of the tapered roller bearing 10 is in close contact with the outer ring of the tapered roller bearing, and the gap is adjusted.
When the clearance is adjusted, an inner hexagonal wrench is inserted into the housing 6, so as to be sleeved with the inner hexagonal hole 204 at the top end of the rotating rod 201, and drive the first gear 202 to rotate, and further drive the gear ring 203 to rotate, so as to drive the plurality of second gears 302 to rotate, so as to synchronously rotate the plurality of threaded rods 301, and further drive the first push block 304 to move upwards, and push the second push block 305 to slide outwards, so as to be tightly attached to the outer ring of the tapered roller bearing 10, so as to change the working clearance of the tapered roller bearing 10 during working, and adjust the clearance.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an accurate clearance adjustment bearing group seat which characterized in that: the device comprises a shaft body (9), wherein two tapered roller bearings (10) are arranged on the outer wall of the shaft body (9), inner rings of the two tapered roller bearings (10) are in interference fit with the outer wall of the shaft body (9), a supporting mechanism (1) is arranged between the two tapered roller bearings (10), the supporting mechanism (1) is attached to the two tapered roller bearings (10), and the inner wall of the supporting mechanism (1) is in interference fit with the outer wall of the shaft body (9);
the supporting mechanism (1) comprises a baffle ring (101), a first mounting groove (102), a second mounting groove (103), a first pin shaft (104), a first clamping groove (105), a second pin shaft (106) and a second clamping groove (107);
a first mounting groove (102) is formed in the top end of the baffle ring (101), a plurality of second mounting grooves (103) are uniformly formed in the outer wall of the baffle ring (101), a first pin shaft (104) is arranged in the first mounting groove (102), the first pin shaft (104) and the baffle ring (101) are integrally formed, a second pin shaft (106) is arranged in the second mounting groove (103), the second pin shaft (106) and the baffle ring (101) are integrally formed, a first clamping groove (105) is formed in the top end of the first mounting groove (102), and a second clamping groove (107) is formed in the top end of the second mounting groove (103);
a control mechanism (2) is arranged in the first mounting groove (102) of the baffle ring (101);
the control mechanism (2) comprises a rotating rod (201), a first gear (202), a gear ring (203), a hexagon socket hole (204) and a first top cover (205);
a first gear (202) is arranged below the rotating rod (201), the bottom end of the rotating rod (201) is fixedly connected with the top end of the first gear (202), the bottom end of the first gear (202) is sleeved with the outer wall of a first pin shaft (104), the first gear (202) is in clearance fit with the first pin shaft (104), a first top cover (205) is arranged at the top end of the rotating rod (201), the first top cover (205) is in clearance fit with the outer wall of the rotating rod (201), the first top cover (205) is clamped with a first clamping groove (105), an inner hexagonal hole (204) is formed in the top end of the rotating rod (201), gear rings (203) are meshed with the left side and the right side of the first gear (202), and the inner walls of the two gear rings (203) are respectively sleeved with the left end and the right end of a retaining ring (101);
an adjusting mechanism (3) is arranged in the second mounting groove (103);
the adjusting mechanism (3) comprises a threaded rod (301), a second gear (302), a second top cover (303), a first pushing block (304), a second pushing block (305) and a sliding rod (306);
the bottom end of the threaded rod (301) is provided with a second gear (302), the top end of the second gear (302) is fixedly connected with the bottom end of the threaded rod (301), the second gear (302) is meshed with the gear ring (203), the bottom end of the second gear (302) is sleeved with the outer wall of the second pin shaft (106), the second pin shaft (106) is in clearance fit with the second gear (302), a second top cover (303) is arranged above the threaded rod (301), the second top cover (303) is clamped with the second clamping groove (107), the threaded rod (301) is in threaded connection with the first push block (304), the front side and the rear side of the first push block (304) are respectively attached with a second push block (305), the top end of the second push block (305) is provided with two sliding rods (306), the sliding rods (306) and the second push block (305) are integrally formed, and the outer wall of each sliding rod (306) is in sliding sleeve connection with the second top cover (303).
2. A precision gap setting bearing stack cartridge as claimed in claim 1, wherein: the outer wall of axis body (9) cup joints with the inner wall of first end cover (7) mutually, first end cover (7) cup joints with the back of shell (6) mutually, the front side of shell (6) is provided with second end cover (8), second end cover (8) cup joint with the front side of shell (6) mutually, first end cover (7) and second end cover (8) all pass through bolt and shell (6) looks rigid coupling, the bottom of shell (6) is provided with base (5), the top of base (5) and the bottom looks rigid coupling of shell (6), retaining ring (101), axis body (9), tapered roller bearing (10), shell (6), first end cover (7) and second end cover (8) are coaxial.
3. A precision gap setting bearing stack cartridge as claimed in claim 1, wherein: the gear ring (203) is coaxial with the baffle ring (101), the outer side of the gear ring (203) is provided with a pressing ring (4), the pressing ring (4) is sleeved with the left end and the right end of the baffle ring (101), and the pressing ring (4) is coaxial with the baffle ring (101).
4. A precision gap setting bearing stack cartridge as claimed in claim 1, wherein: the two second push blocks (305) are symmetrically distributed in front and back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011585838.3A CN112377523B (en) | 2020-12-29 | 2020-12-29 | Bearing group seat capable of accurately adjusting clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011585838.3A CN112377523B (en) | 2020-12-29 | 2020-12-29 | Bearing group seat capable of accurately adjusting clearance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112377523A CN112377523A (en) | 2021-02-19 |
| CN112377523B true CN112377523B (en) | 2022-04-22 |
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| CN202011585838.3A Active CN112377523B (en) | 2020-12-29 | 2020-12-29 | Bearing group seat capable of accurately adjusting clearance |
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