CN210306589U - Bearing inner race pressure equipment mechanism - Google Patents
Bearing inner race pressure equipment mechanism Download PDFInfo
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- CN210306589U CN210306589U CN201921242387.6U CN201921242387U CN210306589U CN 210306589 U CN210306589 U CN 210306589U CN 201921242387 U CN201921242387 U CN 201921242387U CN 210306589 U CN210306589 U CN 210306589U
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Abstract
The utility model discloses a bearing outer ring press-fitting mechanism, which comprises an annular needle gear shell sleeved on an angular contact bearing and an installation component for sleeving an outer ring of the angular contact bearing; the mounting assembly comprises an outer pressing sleeve and an inner pressing sleeve, the outer pressing sleeve is abutted against the annular needle gear shell, the inner pressing sleeve is sleeved with the outer pressing sleeve, the inner pressing sleeve extends inwards to form an inner pressing plate, the outer pressing sleeve extends inwards to form an outer pressing plate, the outer pressing plate is abutted against the inner pressing plate, the inner pressing plate is fixedly provided with a pressing column, the outer pressing plate is provided with a pressing hole, and the pressing column penetrates through the pressing hole; the pressing column is fixedly provided with a limiting ring positioned above the outer pressing plate, and a compression elastic piece is arranged between the limiting ring and the outer pressing plate; the outer pressing plate is fixedly provided with two guide posts, the inner pressing plate is provided with two sliding holes, and the guide posts penetrate through the sliding holes; the lower end of the guide post is provided with a compression elastic limiting piece; when the compression elastic limiting piece is in a natural state, the outer ring of the angular contact bearing is limited between the compression elastic limiting piece and the outer pressing sleeve. The mounting structure has the advantages of being convenient for batch assembly and improving mounting efficiency.
Description
Technical Field
The utility model relates to a RV reduction gear assembly field, in particular to bearing inner race pressure equipment mechanism.
Background
The RV reducer is a two-stage closed planetary transmission mechanism with small tooth difference. The device has the advantages of small volume, high rigidity, strong bearing capacity, long service life, high precision and the like, and is widely applied to the field of precision transmission of industrial robots and the like.
The RV reducer is used as a precision transmission component, and the assembly precision of the RV reducer directly influences the transmission precision of the RV reducer. An angular contact ball bearing in the RV reducer is arranged between a pin gear shell and a planet carrier. At present, manual assembly is mainly used for assembling the angular contact ball bearing in the RV reducer, the outer ring of the bearing is sequentially pressed into one side of a pin gear shell, the inner ring of the bearing is pressed into one side of a planet carrier, and finally the bearing and the planet carrier are assembled. Due to the fact that the tooling installation is complicated in the press-fitting process and the manual assembly speed is low, installation efficiency is low, and further batch assembly of the outer rings of the angular contact ball bearings is not facilitated.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a bearing inner race pressure equipment mechanism, it has the batch assembly of being convenient for, improves the advantage of installation effectiveness.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a bearing outer ring press-fitting mechanism comprises an annular needle gear shell sleeved on an angular contact bearing and a mounting assembly for sleeving an outer ring of the angular contact bearing, wherein the axis of the annular needle gear shell is superposed with the axis of the outer ring of the angular contact bearing; the mounting assembly comprises an outer pressing sleeve and an inner pressing sleeve, the lower end of the outer pressing sleeve is abutted to the upper end of the annular needle gear shell, the inner pressing sleeve is sleeved with the outer pressing sleeve, an inner pressing plate extends inwards from the inner wall of the inner pressing sleeve, an outer pressing plate extends inwards from the inner wall of the outer pressing sleeve, the lower surface of the outer pressing plate is abutted to the upper surface of the inner pressing plate, a pressing column is fixedly arranged on the inner pressing plate, a pressing hole is formed in the outer pressing plate, and the pressing column penetrates through the pressing hole; the pressing column is fixedly provided with a limiting ring, the limiting ring is positioned above the outer pressing plate, a compression elastic piece is arranged between the limiting ring and the outer pressing plate, the upper end of the compression elastic piece is abutted against the limiting ring, and the lower end of the compression elastic piece is abutted against the outer pressing plate;
the outer pressing plate is fixedly provided with at least two guide posts, the inner pressing plate is provided with at least two sliding holes, the guide posts penetrate through the sliding holes, and the guide posts are connected with the inner pressing plate in a sliding manner; the lower end of the guide post is provided with a compression elastic limiting piece;
the outer peripheral wall of the angular contact bearing outer ring is abutted to the inner wall of the outer pressing sleeve, the upper end of the angular contact bearing outer ring is abutted to the lower end of the inner pressing sleeve, and when the compression elastic limiting piece is in a natural state, the inner peripheral wall of the angular contact bearing outer ring is abutted to the compression elastic limiting piece.
By adopting the technical scheme, when the outer ring of the angular contact ball bearing of the RV reducer needs to be assembled, the outer ring of the angular contact ball bearing to be assembled is placed between the guide column and the outer pressing sleeve, the outer peripheral wall of the outer ring of the angular contact ball bearing is abutted against the inner wall of the outer pressing sleeve, the upper end of the outer ring of the angular contact ball bearing is abutted against the lower end of the inner pressing sleeve, the inner peripheral wall of the outer ring of the angular contact ball bearing is abutted against the compression elastic limiting part, and the outer ring of the angular contact ball bearing is convenient to be limited between the guide column and the outer; the pressing column is pressed downwards, the pressing column drives the inner pressing sleeve to move downwards, and the compression elastic piece extrudes the outer pressing plate under the action of the pressing column, so that the outer pressing sleeve and the inner pressing sleeve can move downwards synchronously. When the lower end of the outer pressing sleeve abuts against the upper end of the annular needle gear shell, the outer pressing sleeve stops moving, the pressing column drives the inner pressing sleeve to continue to move downwards along the length direction of the guide column, the lower end of the inner pressing sleeve abuts against the upper end of the outer ring of the angular contact bearing, the outer ring of the angular contact bearing tends to move downwards under the action of the inner pressing sleeve, the outer ring of the angular contact bearing extrudes and compresses the elastic limiting part, when the acting force of the outer ring of the angular contact bearing on the elastic limiting part is larger than the limiting force of the elastic limiting part on the elastic limiting part in a natural state, the limiting effect of the elastic limiting part on the outer ring of the angular contact bearing is removed, and the inner pressing sleeve pushes the outer. The acting force on the pressing column is relieved, the compression elastic piece returns to the natural state, the compression elastic piece drives the inner pressing sleeve to move upwards, and when the upper surface of the inner pressing plate is abutted to the lower surface of the outer pressing plate, the outer pressing sleeve and the inner pressing sleeve synchronously move upwards to return to the original position. Therefore, the utility model discloses at the in-process of assembly angular contact ball bearing outer lane, be convenient for assemble angular contact ball bearing outer lane in batches, improve the installation effectiveness.
The utility model discloses further set up to: the lower extreme of guide post has seted up the mounting hole, elasticity locating part wears to locate in the mounting hole, compression elasticity locating part has fixation nut in the one end threaded connection who keeps away from angular contact bearing outer lane, fixation nut with guide post fixed connection.
Through adopting above-mentioned technical scheme, be convenient for demountable installation compression elasticity locating part.
The utility model discloses further set up to: the compression elastic limiting part is a ball plunger, and the head of the ball plunger is abutted against the inner peripheral wall of the outer ring of the angular contact bearing.
Through adopting above-mentioned technical scheme, when needs assembly angular contact bearing outer lane, remove angular contact bearing outer lane and the lower extreme butt of interior pressure sleeve, at the in-process that removes angular contact bearing outer lane, angular contact bearing outer lane extrusion bulb plunger's head makes bulb plunger's head and the internal perisporium butt of angular contact bearing outer lane, and the elastic locating part of compression of being convenient for is spacing angular contact bearing outer lane between guide post and external pressure sleeve.
The utility model discloses further set up to: the upper end of guide post has set firmly the spliced pole, the diameter of spliced pole is less than the diameter of guide post, the outer clamp plate offer with the connecting hole of spliced pole looks adaptation, connecting screw hole has been seted up to the upper end of spliced pole, connecting screw hole threaded connection has connecting bolt, be provided with the gasket between connecting bolt's head and the outer clamp plate, the upper surface butt of gasket in the upper surface of connecting bolt's head, lower surface butt in outer clamp plate.
By adopting the technical scheme, when the lower end of the outer pressing sleeve is abutted to the upper end of the annular needle gear shell, the guide column is prevented from continuously moving downwards under the action of the pressing column, and the fixed connection between the guide column and the outer pressing plate is realized.
The utility model discloses further set up to: the upper surface of the outer pressing plate extends upwards to form a sliding ring, and the sliding ring is sleeved on the pressing column.
By adopting the technical scheme, the stability of the outer pressing plate is improved, and the pressing column can move up and down conveniently.
The utility model discloses further set up to: and a clamping assembly for keeping the axis of the annular pin gear shell and the axis of the angular contact bearing outer ring coincident is arranged outside the annular pin gear shell.
By adopting the technical scheme, the axis of the annular needle gear shell and the axis of the outer ring of the angular contact bearing are positioned on the same straight line, and the outer ring of the angular contact bearing is convenient to assemble.
The utility model discloses further set up to: the clamping assembly comprises a first eccentric wheel, a first rotating shaft penetrating through the first eccentric wheel, a second eccentric wheel and a second rotating shaft penetrating through the second eccentric wheel, the annular needle gear shell is positioned between the first eccentric wheel and the second eccentric wheel, the first eccentric wheel is in threaded connection with a first fixing bolt for limiting the circumferential rotation of the first eccentric wheel, and the second eccentric wheel is in threaded connection with a second fixing bolt for limiting the circumferential rotation of the second eccentric wheel;
when the first eccentric wheel and the second eccentric wheel clamp the annular needle gear shell, the arc edge of the first eccentric wheel is abutted to the annular needle gear shell, and the arc edge of the second eccentric wheel is abutted to the annular needle gear shell.
By adopting the technical scheme, when the annular pin gear shell is placed between the first rotating shaft and the second rotating shaft, the first eccentric wheel and the second eccentric wheel are respectively rotated, so that the arc edge of the first eccentric wheel is abutted against the annular pin gear shell, the arc edge of the second eccentric wheel is abutted against the annular pin gear shell, the clamping of the first eccentric wheel and the second eccentric wheel to the annular pin gear shell is realized, and the coincidence of the axis of the annular pin gear shell and the axis of the outer ring of the angular contact bearing is further kept.
The utility model discloses further set up to: the lower extreme of outer pressure cover has seted up the butt groove, the upper end of annular needle tooth shell has set firmly the butt ring, the upper end butt of butt ring in the diapire in butt groove, the internal perisporium butt of butt ring in the inside wall in butt groove.
Through adopting above-mentioned technical scheme, when the lower extreme butt of external pressure cover in the upper end of annular needle tooth shell, the external pressure cover stops the downstream under the effect of annular needle tooth shell, and the butt ring butt of annular needle tooth shell is convenient for prevent that the external pressure cover breaks away from the upper end of annular needle tooth shell pressing the post at the in-process that moves down in the butt groove of external pressure cover.
The utility model discloses further set up to: and a press machine is fixedly connected above the pressing column.
Through adopting above-mentioned technical scheme, the press drives and presses the post and reciprocate, the rapid Assembly angular contact bearing outer lane of being convenient for.
The utility model discloses further set up to: the upper end of the pressing column is provided with a via hole, an inner hexagonal cylindrical bolt is fixedly arranged in the via hole and is connected with the press machine in a threaded manner after penetrating through the via hole.
Through adopting above-mentioned technical scheme, hexagon socket head cap screw bolt and fixed orifices threaded connection realize the press and press the dismantled fixed connection between the post.
To sum up, the utility model discloses following beneficial effect has: when the angular contact ball bearing outer ring of the RV reducer needs to be assembled, the outer peripheral wall of the angular contact bearing outer ring is controlled to abut against the inner wall of the outer pressing sleeve, the upper end of the angular contact bearing outer ring abuts against the lower end of the inner pressing sleeve, the inner peripheral wall of the angular contact bearing outer ring abuts against the compression elastic limiting part, and the angular contact bearing outer ring is limited between the guide column and the outer pressing sleeve under the action of the compression elastic limiting part. The pressing column is pressed downwards, the pressing column drives the inner pressing sleeve and the inner pressing plate to move downwards, the compression elastic piece sleeved on the pressing column drives the outer pressing plate to move downwards, when the lower end of the outer pressing sleeve abuts against the upper end of the annular needle gear shell, the outer pressing sleeve stops moving downwards, the pressing column drives the inner pressing sleeve to continue moving downwards along the length direction of the guide column, the compression elastic piece is in an unnatural state, the lower end of the inner pressing sleeve abuts against the upper end of the outer ring of the angular contact bearing, and the inner pressing sleeve pushes the outer ring of the angular contact bearing to move downwards until the assembly of the outer ring of the angular contact bearing is completed. Through pressing the assembly that the post drove interior pressure cover up-and-down motion realized angular contact ball bearing outer lane, consequently, the utility model discloses at the in-process of assembly angular contact ball bearing outer lane, be convenient for assemble angular contact ball bearing outer lane in batches, improve the installation effectiveness.
Drawings
Fig. 1 is a partial sectional view of a first embodiment of the present invention;
fig. 2 is a partial sectional view of a second embodiment of the present invention.
In the figure, 1, angular contact bearing; 11. an angular contact bearing outer race; 2. an annular needle tooth shell; 21. a butting ring; 3. mounting the component; 31. externally pressing the sleeve; 311. an outer pressing plate; 3111. a slip ring; 32. an inner pressing sleeve; 321. an inner pressure plate; 3211. pressing the column; 32111. a countersunk hole; 3212. a hexagon socket head cap screw; 322. a limiting ring; 33. a compression spring; 34. a guide post; 341. connecting columns; 342. a connecting bolt; 343. a hexagonal nut; 35. a ball plunger; 41. a first eccentric wheel; 42. a first rotating shaft; 43. a second eccentric wheel; 44. a second rotating shaft.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1, for the utility model discloses a bearing inner race pressure equipment mechanism, including suit in angular contact bearing 1's annular pin tooth shell 2 and the installation component 3 that is used for suit angular contact bearing outer lane 11, the axis of annular pin tooth shell 2 and the coincidence of angular contact bearing outer lane 11's axis.
The mounting assembly 3 comprises an outer pressing sleeve 31 arranged in a ring column shape, an inner pressing sleeve 32 arranged in a ring column shape, a compression elastic piece, a guide column 34 and a compression elastic limiting piece. The inner pressure sleeve 32 and the outer pressure sleeve 31 are sleeved, and the axis of the inner pressure sleeve 32 and the axis of the outer pressure sleeve 31 are overlapped with the axis of the angular contact bearing outer ring 11.
An inner pressing plate 321 extends inwards from the inner wall of the inner pressing sleeve 32, an outer pressing plate 311 extends inwards from the inner wall of the outer pressing sleeve 31, and the lower surface of the outer pressing plate 311 is abutted to the upper surface of the inner pressing plate 321.
The inner pressing plate 321 is integrally formed with pressing columns 3211 upwards, the axes of the pressing columns 3211 coincide with the axis of the angular contact bearing outer ring 11, the outer pressing plate 311 is provided with pressing holes, and the pressing columns 3211 penetrate through the pressing holes; the outer pressing plate 311 has a sliding ring 3111 extending upward at the pressing hole, the sliding ring 3111 is sleeved on the pressing post 3211, and the inner peripheral wall of the sliding ring 3111 abuts on the outer peripheral wall of the pressing post 3211.
According to the upper end integrated into one piece of post 3211 there is spacing ring 322, and spacing ring 322 is located the pressing hole top of outer pressing plate 311, and the compression elastic component sets up between spacing ring 322 and outer pressing plate 311, and the compression elastic component is compression spring 33, and compression spring 33 cup joints in the periphery wall of pressing post 3211, and compression spring 33's upper end butt in the lower surface of spacing ring 322, lower extreme butt in the upper end of the slip ring 3111 of outer pressing plate 311.
The upper end of the pressing column 3211 is provided with a via hole, and an inner hexagonal cylindrical head bolt 3212 is fixedly arranged in the via hole; counter bore 32111 has been seted up to the below of via hole, and the aperture of counter bore 32111 is greater than the aperture of via hole, and the head of interior hexagonal cylinder head bolt 3212 sets up in counter bore 32111, and threaded connection has manual press behind interior hexagonal cylinder head bolt 3212 and the via hole in order worn to locate counter bore 32111 and the via hole. A spring blocking pad is arranged between the limiting ring 322 and the manual press, and the upper surface of the spring blocking pad is abutted against the upper surface of the limiting ring 322, and the lower surface of the spring blocking pad is abutted against the lower end of the manual press.
The guide post 34 is two, and two guide post 34 symmetries set up in the both sides of pressing post 3211, and two holes that slide have been seted up to interior clamp plate 321, and the hole that slides is worn to locate by the lower extreme of guide post 34, guide post 34 and interior clamp plate 321 sliding connection.
The upper ends of the two guide columns 34 are respectively integrally formed with a connecting column 341, the diameter of the connecting column 341 is smaller than that of the guide columns 34, the outer pressing plate 311 is provided with a connecting hole matched with the connecting column 341, the aperture of the connecting hole is smaller than that of the sliding hole, and the connecting column 341 penetrates through the connecting hole. The upper end of the connection column 341 is provided with a connection threaded hole which is in threaded connection with a connection bolt 342.
A spacer is provided between the head of the connecting bolt 342 and the outer platen 311, and an upper surface of the spacer abuts against the head of the connecting bolt 342 and a lower surface thereof abuts against an upper surface of the outer platen 311.
The elastic compression limiting part is arranged at the lower end of the guide column 34, the elastic compression limiting part is a ball plunger 35, the ball plunger 35 comprises a ball head part, a compression part and a plunger tail part, the outer peripheral wall of the angular contact bearing outer ring 11 is abutted to the inner peripheral wall of the outer pressing sleeve 31, the upper end of the angular contact bearing outer ring 11 is abutted to the lower end of the inner pressing sleeve 32, and when the compression part of the ball plunger 35 is in a natural state, the inner peripheral wall of the angular contact bearing outer ring 11 is abutted to the ball head part of the ball plunger 35.
Mounting hole has been seted up to the lower extreme of guide post 34, and in ball plunger 35 wore to locate the mounting hole, ball plunger 35's periphery wall was provided with the external screw thread, is provided with the internal thread in the mounting hole, and ball plunger 35 and mounting hole threaded connection, plunger afterbody threaded connection have fixation nut, and fixation nut is hexagon nut 343, and hexagon nut 343 and guide post 34 weld.
The lower extreme butt of outer pressure cover 31 in the upper end of annular pin tooth shell 2, the butt groove has been seted up to the lower extreme of outer pressure cover 31, and the upper end integrated into one piece butt ring 21 of annular pin tooth shell 2, the upper end butt of butt ring 21 in the diapire in butt groove, the internal perisporium of butt ring 21 and the inside wall butt in butt groove.
The exterior of the annular gear housing 2 is provided with a clamping assembly for keeping the axis of the annular gear housing 2 coincident with the axis of the angular contact bearing outer ring 11.
The clamping assembly includes a first eccentric 41, a first rotating shaft 42, a first fixing bolt, a second eccentric 43, a second rotating shaft 44, and a second fixing bolt.
The first eccentric wheel 41 is provided with a first rotating hole, the first rotating shaft 42 penetrates through the first rotating hole, the first eccentric wheel 41 is provided with a first threaded hole, the first fixing bolt is in threaded connection with the first threaded hole, and the axis of the first rotating shaft 42 is parallel to the axis of the fixing bolt.
The second eccentric wheel 43 is provided with a second rotating hole, the second rotating shaft 44 penetrates through the second rotating hole, the second eccentric wheel 43 is provided with a second threaded hole, the second fixing bolt is in threaded connection with the second threaded hole, and the axis of the second rotating shaft 44 is parallel to the axis of the second fixing bolt.
The annular pin gear housing 2 is located between the first eccentric wheel 41 and the second eccentric wheel 43, and when the first eccentric wheel 41 and the second eccentric wheel 43 clamp the annular pin gear housing 2, the circular arc edge of the first eccentric wheel 41 abuts against the outer peripheral wall of the annular pin gear housing 2, and the circular arc edge of the second eccentric wheel 43 abuts against the outer peripheral wall of the annular pin gear housing 2.
Example two:
the difference between the second embodiment and the first embodiment is that, referring to fig. 2, in the present embodiment, an inner pressing plate 321 extends inward from the inner wall of the inner pressing sleeve 32, an outer pressing plate 311 extends inward from the inner wall of the outer pressing sleeve 31, and the inner pressing plate 321 and the outer pressing plate 311 are spaced apart from each other.
The inner pressing plate 321 is provided with a counter bore 32111, the outer pressing plate 311 is provided with a via hole, the aperture of the counter bore 32111 is larger than that of the via hole, and the axis of the counter bore 32111 and the axis of the via hole coincide with the axis of the angular contact bearing outer ring 11. The inner pressing plate 321 is in threaded connection with an inner hexagonal cylindrical bolt 3212, the head of the inner hexagonal cylindrical bolt 3212 is disposed in the counter bore 32111, and the head of the inner hexagonal cylindrical bolt 3212 abuts against the lower surface of the outer pressing plate 311; the inner hexagonal cylindrical head bolt 3212 is sequentially arranged in the counter bore 32111 and the via hole in a threaded manner and then is connected with a manual press machine.
The inner pressing plate 321 is integrally formed with pressing posts 3211 upward, the axes of the pressing posts 3211 coincide with the axis of the angular contact bearing outer ring 11, and the upper surfaces of the pressing posts 3211 contact the lower surface of the outer pressing plate 311. The pressing column 3211 is provided with a through hole, a center line of the through hole is aligned with a center line of the counter bore 32111, and an aperture of the through hole is equal to an aperture of the counter bore 32111.
Be provided with a plurality of tensile elastic component between the upper surface of inner pressing plate 321 and the lower surface of outer clamp plate 311, a plurality of tensile elastic component are along the lower surface evenly distributed of outer clamp plate 311, tensile elastic component is extension spring, the last skin weld of inner pressing plate 321 has a plurality of first couples, first couple and extension spring one-to-one, the lower skin weld of outer clamp plate 311 has a plurality of second couples, second couple and extension spring one-to-one, extension spring's one end is connected in first couple, the other end is connected in the second couple.
The implementation principle of the embodiment is as follows: when the angular contact ball bearing outer ring of the RV reducer needs to be assembled, the outer peripheral wall of the angular contact bearing outer ring 11 is controlled to abut against the inner wall of the outer pressing sleeve 31, the upper end of the angular contact bearing outer ring 11 abuts against the lower end of the inner pressing sleeve 32, and the inner peripheral wall of the angular contact bearing outer ring 11 abuts against the ball head part of the ball plunger 35; pressing the pressing column 3211 downwards, the pressing column 3211 driving the inner pressing sleeve 32 and the inner pressing plate 321 to move downwards, the compression spring 33 sleeved on the pressing column 3211 driving the outer pressing plate 311 and the outer pressing sleeve 31 to move downwards, when the abutting groove of the outer pressing sleeve 31 abuts against the abutting ring 21 of the annular needle tooth shell 2, the outer pressing sleeve 31 stops moving downwards, the pressing column 3211 driving the inner pressing sleeve 32 to continue moving downwards along the length direction of the guide column 34, the limiting ring 322 above the pressing column 3211 extrudes the compression spring 33, and the compression spring 33 is in an unnatural state; because the lower end of the inner pressure sleeve 32 abuts against the upper end of the angular contact bearing outer ring 11, in the process that the pressing columns 3211 drive the inner pressure sleeve 32 to move downwards, the inner pressure sleeve 32 pushes the angular contact bearing outer ring 11 to move downwards until the assembly of the angular contact bearing outer ring is completed. Through pressing down the post 3211 and driving interior pressure sleeve 32 up-and-down motion and realize the rapid Assembly of angular contact ball bearing outer lane, consequently, the utility model discloses at the in-process of assembly angular contact ball bearing outer lane, be convenient for assemble angular contact ball bearing outer lane in batches, improve the installation effectiveness.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. The bearing outer ring press-fitting mechanism is characterized by comprising an annular pin gear shell (2) sleeved on an angular contact bearing (1) and a mounting assembly (3) used for sleeving an angular contact bearing outer ring (11), wherein the axis of the annular pin gear shell (2) is overlapped with the axis of the angular contact bearing outer ring (11); the mounting assembly (3) comprises an outer pressing sleeve (31) and an inner pressing sleeve (32), the lower end of the outer pressing sleeve (31) is abutted to the upper end of the annular needle gear shell (2), the inner pressing sleeve (32) is sleeved with the outer pressing sleeve (31), an inner pressing plate (321) extends inwards from the inner wall of the inner pressing sleeve (32), an outer pressing plate (311) extends inwards from the inner wall of the outer pressing sleeve (31), the lower surface of the outer pressing plate (311) is abutted to the upper surface of the inner pressing plate (321), a pressing column (3211) is fixedly arranged on the inner pressing plate (321), a pressing hole is formed in the outer pressing plate (311), and the pressing column (3211) penetrates through the pressing hole; the pressing column (3211) is fixedly provided with a limiting ring (322), the limiting ring (322) is positioned above the outer pressing plate (311), a compression elastic member is arranged between the limiting ring (322) and the outer pressing plate (311), the upper end of the compression elastic member abuts against the limiting ring (322), and the lower end abuts against the outer pressing plate (311);
the outer pressing plate (311) is fixedly provided with at least two guide columns (34), the inner pressing plate (321) is provided with at least two sliding holes, the guide columns (34) penetrate through the sliding holes, and the guide columns (34) are connected with the inner pressing plate (321) in a sliding manner; the lower end of the guide post (34) is provided with a compression elastic limiting piece;
the outer peripheral wall of the angular contact bearing outer ring (11) is abutted against the inner wall of the outer pressing sleeve (31), the upper end of the angular contact bearing outer ring (11) is abutted against the lower end of the inner pressing sleeve (32), and when the compression elastic limiting piece is in a natural state, the inner peripheral wall of the angular contact bearing outer ring (11) is abutted against the compression elastic limiting piece.
2. The bearing outer ring press-fitting mechanism according to claim 1, wherein a mounting hole is formed at a lower end of the guide post (34), the elastic limiting member is inserted into the mounting hole, a fixing nut is screwed to an end of the elastic limiting member away from the angular contact bearing outer ring (11), and the fixing nut is fixedly connected with the guide post (34).
3. The bearing outer ring press-fitting mechanism according to claim 2, wherein the compression elastic limiting member is a ball plunger (35), and a head portion of the ball plunger (35) abuts against an inner peripheral wall of the angular contact bearing outer ring (11).
4. The bearing outer ring press-fitting mechanism is characterized in that a connecting column (341) is fixedly arranged at the upper end of the guide column (34), the diameter of the connecting column (341) is smaller than that of the guide column (34), a connecting hole matched with the connecting column (341) is formed in the outer pressing plate (311), a connecting threaded hole is formed in the upper end of the connecting column (341), a connecting bolt (342) is connected to the connecting threaded hole in a threaded manner, a gasket is arranged between the head of the connecting bolt (342) and the outer pressing plate (311), the upper surface of the gasket abuts against the head of the connecting bolt (342), and the lower surface of the gasket abuts against the upper surface of the outer pressing plate (311).
5. The bearing outer ring press-fitting mechanism of claim 1, wherein a sliding ring (3111) extends upwards from the upper surface of the outer pressing plate (311), and the sliding ring (3111) is sleeved on the pressing column (3211).
6. A bearing outer ring press-fitting mechanism according to claim 1, characterized in that the outside of the annular needle gear housing (2) is provided with a clamping assembly for keeping the axis of the annular needle gear housing (2) coincident with the axis of the angular contact bearing outer ring (11).
7. The bearing outer ring press-fitting mechanism is characterized in that the clamping assembly comprises a first eccentric wheel (41), a first rotating shaft (42) penetrating through the first eccentric wheel (41), a second eccentric wheel (43) and a second rotating shaft (44) penetrating through the second eccentric wheel (43), the annular needle gear shell (2) is positioned between the first eccentric wheel (41) and the second eccentric wheel (43), the first eccentric wheel (41) is in threaded connection with a first fixing bolt for limiting the circumferential rotation of the first eccentric wheel (41), and the second eccentric wheel (43) is in threaded connection with a second fixing bolt for limiting the circumferential rotation of the second eccentric wheel (43);
when the first eccentric wheel (41) and the second eccentric wheel (43) clamp the annular needle gear shell (2), the arc edge of the first eccentric wheel (41) is abutted against the annular needle gear shell (2), and the arc edge of the second eccentric wheel (43) is abutted against the annular needle gear shell (2).
8. The bearing outer ring press-fitting mechanism according to claim 1, wherein a butting groove is formed at a lower end of the outer press sleeve (31), a butting ring (21) is fixedly arranged at an upper end of the annular needle gear shell (2), an upper end of the butting ring (21) butts against a bottom wall of the butting groove, and an inner peripheral wall of the butting ring (21) butts against an inner side wall of the butting groove.
9. The bearing outer ring press-fitting mechanism is characterized in that a press is fixedly connected above the pressing column (3211).
10. The bearing outer ring press-fitting mechanism of claim 9, wherein a through hole is formed in the upper end of the pressing column (3211), an inner hexagonal cylindrical bolt (3212) is fixedly arranged in the through hole, and the inner hexagonal cylindrical bolt (3212) is threaded through the through hole and then is in threaded connection with a press.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921242387.6U CN210306589U (en) | 2019-08-01 | 2019-08-01 | Bearing inner race pressure equipment mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921242387.6U CN210306589U (en) | 2019-08-01 | 2019-08-01 | Bearing inner race pressure equipment mechanism |
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| CN210306589U true CN210306589U (en) | 2020-04-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871990A (en) * | 2022-04-21 | 2022-08-09 | 广东电网有限责任公司 | Isolating switch bearing assembling tool and assembling method |
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2019
- 2019-08-01 CN CN201921242387.6U patent/CN210306589U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871990A (en) * | 2022-04-21 | 2022-08-09 | 广东电网有限责任公司 | Isolating switch bearing assembling tool and assembling method |
| CN114871990B (en) * | 2022-04-21 | 2023-05-23 | 广东电网有限责任公司 | Disconnecting switch bearing assembly tool and assembly method |
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