CN211072501U

CN211072501U - Embedded pressure equipment device of trigeminy gear bush

Info

Publication number: CN211072501U
Application number: CN201922201181.5U
Authority: CN
Inventors: 黄桂良; 周激波; 肖志标
Original assignee: Hande Axle Zhuzhou Gear Co ltd
Current assignee: Hande Axle Zhuzhou Gear Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-07-24
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses a trigeminy gear bush embedded type press mounting device, which comprises a connecting seat, a cover plate, a fixing bolt and a guide sleeve, the top of the connecting seat is provided with a first threaded hole for installing a fixing bolt, the middle of the bottom of the connecting seat is provided with an installation groove, a pressure head is arranged in the mounting groove, a threaded hole II is formed in the top of the pressure head, a guide sleeve is arranged below the connecting seat, the guide sleeve is detachably connected with the connecting seat, a through hole is arranged in the middle of the guide sleeve, two or more guide holes communicated with the through hole are arranged on the outer wall of the guide sleeve, the guide holes are internally provided with forming pins, the bottoms of the forming pins are provided with arc sliding grooves, the bottoms of the guide sleeves are provided with spring grooves communicated with the guide holes, the spring groove is internally provided with a spring, the top of the spring is provided with a steel ball, and the bottom of the guide sleeve is provided with a cover plate. Embedded pressure equipment device of trigeminy gear bush, novel structure, small, easy loading and unloading and dismantle the use and the practicality is high.

Description

Embedded pressure equipment device of trigeminy gear bush

Technical Field

The utility model belongs to the technical field of the pressure equipment device, specifically, relate to an embedded pressure equipment device of trigeminy gear step hole bush.

Background

When the gear mechanism of the triple gear is in meshing transmission, the structure is compact, the size of the axle housing is reduced to the maximum extent, and the weight of the automobile body is reduced. The external teeth with the large helix angle are adopted, so that the meshing length and the meshing efficiency of the gear can be improved, the meshing is stable, the bearing capacity of the tooth surface is improved, but a large axial relative sliding speed exists in the tooth width direction, and therefore a large axial force is generated, and compared with a parallel shaft straight gear, the service life and the bearing capacity of the helical gear are much higher.

The aim at press fitting the embedded bushing on the triple gear is realized, when the triple gear press fitted with the bushing operates, the axial displacement of a product is limited, the wear resistance of the triple gear bushing is improved, the lubricating effect of a shaft neck is improved, and meanwhile, the shockproof function can be improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an above-mentioned technical problem who solves to a pressure equipment device for being directed at embedded bush of trigeminy gear pressure equipment is provided.

The utility model discloses the technical scheme who adopts as follows:

the utility model provides an embedded pressure equipment device of trigeminy gear bush, including connecting seat, apron, fixing bolt and uide bushing, the top of connecting seat is equipped with the screw hole one that is used for installing fixing bolt, be equipped with the mounting groove in the middle of the bottom of connecting seat, be equipped with the pressure head in the mounting groove, the upper portion of pressure head sets up in the mounting groove, the top of pressure head is equipped with screw hole two, fixing bolt installs in screw hole one and screw hole two, the below of connecting seat is equipped with the uide bushing, the uide bushing is connected with the connecting seat is detachable, the middle part of uide bushing is equipped with the through-hole, the lower part of pressure head sets up in the through-hole, be equipped with two or more than two and the communicating guiding hole of through-hole on the outer wall of uide bushing, all be equipped with the shaping round pin in the guiding hole, the improved steel ball forming machine is characterized in that a spring is arranged in the spring groove, a steel ball is arranged at the top of the spring, the upper portion of the steel ball is arranged in the arc sliding groove, one end of the forming pin close to the through hole is abutted to the lower end of the pressure head, one end of the forming pin close to the through hole is matched with the lower end surface of the pressure head, and a cover plate is arranged at the bottom of the guide sleeve.

Further, one side of the first threaded hole is provided with a first pin hole, one side of the second threaded hole is provided with a second pin hole, one side of the fixing bolt is provided with a positioning pin, the lower portion of the positioning pin is arranged in the second pin hole, the upper portion of the positioning pin is arranged in the first pin hole, the connecting seat is connected with the upper portion of the pressure head through the fixing bolt and the positioning pin, and the lower portions of the fixing bolt and the positioning pin extend into the mounting groove.

Furthermore, the top of the connecting seat is at least provided with three groups of positioning pins, the positioning pins are arranged around the fixing bolt in an annular array mode by taking the fixing bolt as a circle center, and the positioning pins are connected with the top of the pressure head through pin holes.

Further, the bottom of connecting seat is equipped with a plurality of constant head tank, a plurality of the constant head tank uses the mounting groove to be annular array as the centre of a circle and sets up around the mounting groove, the top of uide bushing is equipped with a plurality of locating piece, and is a plurality of the locating piece makes with a plurality of locating groove looks adaptation of the bottom of connecting seat in the constant head tank, the locating piece one-to-one sets up and makes the bottom of connecting seat and the top laminating of uide bushing become a whole.

Further, the bottom of connecting seat is equipped with a plurality of locating piece, a plurality of the locating piece uses the mounting groove to be annular array and sets up around the mounting groove as the centre of a circle, the top of uide bushing is equipped with a plurality of constant head tank, and is a plurality of constant head tank and a plurality of locating piece looks adaptation of the bottom of connecting seat, the locating piece one-to-one sets up and makes in the constant head tank the bottom of connecting seat and the top laminating of uide bushing become a whole.

Furthermore, the pressure head is a conical pressure head, and the top of the conical pressure head is conical, circular truncated cone or prismoid.

Furthermore, one end, far away from the through hole, of the forming pin is a wedge surface to form an extrusion end, the section cross section of the arc sliding groove comprises a first connecting tangent line segment, an arc segment and a second connecting tangent line segment, the first connecting tangent line segment and the second connecting tangent line segment are respectively tangent to two ends of the arc segment, the first connecting tangent line segment is intersected with the extension line of the second connecting tangent line segment, the included angle of the intersection of the extension lines of the first connecting tangent line segment and the second connecting tangent line segment is a, the range of the included angle a is more than or equal to 90 degrees and less than or equal to 110 degrees, the arc segment on the section cross section of the arc sliding groove is matched with the top of the steel ball, the forming pin moves leftwards and rightwards during installation due to the arrangement of the arc sliding groove, but the forming.

Furthermore, an annular groove is formed in the middle of the outer wall of the connecting seat, and the annular groove is favorable for mounting and dismounting the connecting seat and the guide sleeve.

Further, the lower end of the spring of the cover plate is abutted, and the cover plate is connected with the bottom of the guide sleeve through a fixing bolt.

Furthermore, the lower part of the guide sleeve is provided with a first annular limiting step to form a first annular step surface, the guide hole is formed below the first step surface, the upper part of the cover plate is provided with a second annular limiting step to form a second annular step surface, the second limiting step is matched with the through hole in the guide sleeve, the bottom of the guide sleeve is attached to the second step surface, and the upper part of the cover plate is arranged in the through hole.

Furthermore, an adjusting washer is arranged at the top of the pressure head, and a hole for facilitating installation of a fixing bolt and a positioning pin is formed in the adjusting washer;

further, the fixing bolt is a hexagon socket head cap screw;

further, the positioning pin is a cylindrical pin.

Compared with the prior art, the utility model discloses following beneficial effect has:

embedded pressure equipment device of trigeminy gear bush, novel structure, small, easy loading and unloading and dismantle the use and the practicality is high, and is effectual to the pressure equipment of bush.

Use embedded pressure equipment device of trigeminy gear bush dismantles the connecting seat earlier with uide bushing, apron and comes, packs into the shaping round pin in the guiding hole on the uide bushing, packs into steel ball, spring in proper order again and installs the upper cover plate, and through hexagon socket head cap screw between, uide bushing and apron form a pressure equipment wholly, and the holistic lower part of pressure equipment is packed into in the bush hole, makes the terminal surface of bush terminal surface subsides tight uide bushing, then will have the pressure equipment integral erection of bush in the hole of gear, passes through constant head tank and locating piece with the connecting seat and is connected with the holistic upper portion of pressure equipment, and under the upper plane exerting pressure of connecting seat, under the mutually supporting of spring, steel ball and circular arc sliding tray, the upper portion of steel ball slides in the circular arc sliding tray to make the shaping round pin slide-in the.

During the pressure equipment bush, with connecting seat and the whole installation of pressure equipment whole body, the lower extreme at the toper pressure head and the one end butt that the shaping round pin is close to the through-hole, the shaping round pin stretches out the uide bushing from the guiding hole along the one end of through-hole under the mutually supporting of spring, steel ball and circular arc sliding tray, and the bush is under the effect of shaping round pin, then makes the bush impress in the gear hole and further imbeds the ditch inslot again.

After the press fitting of the bushing is completed, when the connecting seat is integrally separated from the press fitting, one end of the forming pin close to the through hole is matched with the spring, the steel ball and the arc sliding groove, the steel ball is pushed to move upwards by the action force of the compression spring, the arc sliding groove at the bottom of the forming pin is under the action force of the steel ball, one end of the forming pin close to the through hole extends into the through hole, and the press fitting is integrally taken out of the inner ring of the gear at the moment, so that the press fitting of the gear bushing is completed.

Drawings

Fig. 1 is a schematic structural view of the triple gear bush embedded press-fitting device of the present invention;

fig. 2 is a schematic structural view of the arc sliding groove on the forming pin of the present invention.

Fig. 3 is a schematic structural view of the forming pin of the present invention.

In the drawings:

1. the device comprises a connecting seat, 2 parts of fixing bolts, 3 parts of limiting steps II, 4 parts of positioning pins, 5 parts of a pressure head, 6 parts of forming pins, 7 parts of steel balls, 8 parts of a guide sleeve, 9 parts of springs, 10 parts of a cover plate, 11 parts of step surfaces II, 12 parts of an adjusting washer, 13 parts of a mounting groove, 14 parts of a threaded hole I, 15 parts of a threaded hole II, 16 parts of a through hole, 17 parts of a guide hole, 18 parts of an arc sliding groove, 19 parts of a spring groove, 20 parts of a pin hole I, 21 parts of a pin hole II, 22 parts of a positioning groove, 23 parts of a positioning block, 24 parts of an extrusion end, 25 parts of an annular groove, 26 parts of limiting steps I, 27 parts of step surfaces I, 28 parts of connecting cutting line segments I.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the practice of the invention, certain features of the drawings may be omitted, enlarged or reduced, and do not represent actual product dimensions; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example 1

As shown in fig. 1 to 3, the utility model provides an embedded press mounting device of triple gear bush, which comprises a connecting seat 1, a cover plate 10, a fixing bolt 2 and a guide sleeve 8, wherein the top of the connecting seat 1 is provided with a first threaded hole 14 for installing the fixing bolt 2, the middle of the bottom of the connecting seat 1 is provided with a mounting groove 13, a pressure head 5 is arranged in the mounting groove 13, the upper part of the pressure head 5 is arranged in the mounting groove 13, the top of the pressure head 5 is provided with a second threaded hole 15, the fixing bolt 2 is arranged in the first threaded hole 14 and the second threaded hole 15, the lower part of the connecting seat 1 is provided with the guide sleeve 8, the guide sleeve 8 is detachably connected with the connecting seat 1, the middle part of the guide sleeve 8 is provided with a through hole 16, the lower part of the pressure head 5 is arranged in the through hole 16, the outer wall of the guide sleeve 8 is provided with two or, the bottom of uide bushing 8 is equipped with the communicating spring groove 19 with guiding hole 17, is equipped with spring 9 in the spring groove 19, and the top of spring 9 is equipped with steel ball 7, and the upper portion of steel ball 7 sets up in circular arc sliding tray 18, and the one end that shaping round pin 6 is close to through-hole 16 is with the lower extreme butt of pressure head 5, and the one end that shaping round pin 6 is close to through-hole 16 sets up with the lower extreme surface cooperation of pressure head 5, and the bottom of uide bushing 8 is equipped with apron 10.

As a further improvement of the above embodiment, one side of the first threaded hole 14 is provided with a first pin hole 20, one side of the second threaded hole 15 is provided with a second pin hole 21, the lower part of the positioning pin 4 is arranged in the first pin hole 20, the connecting seat 1 is connected with the upper part of the pressure head 5 through a fixing bolt 2 and the positioning pin 4, the lower parts of the fixing bolt and the positioning pin extend into the mounting groove 13, and one side of the fixing bolt 2 is provided with the positioning pin 4.

As the further improvement of the above embodiment, the top of the connecting seat 1 is at least provided with three groups of positioning pins 4, the positioning pins 4 are arranged around the fixing bolt 2 in an annular array by taking the fixing bolt 2 as a circle center, and the positioning pins 4 are connected with the top of the pressure head 5 through pin holes.

As the further improvement of above-mentioned embodiment, the bottom of connecting seat 1 is equipped with a plurality of constant head tank 22, and a plurality of constant head tank 22 uses mounting groove 13 to be annular array and sets up around mounting groove 13 as the centre of a circle, and the top of uide bushing 8 is equipped with a plurality of locating piece 23, a plurality of locating piece 23 and a plurality of constant head tank 22 looks adaptation of the bottom of connecting seat 1, and locating piece 23 one-to-one sets up and makes the bottom of connecting seat 1 and the top of uide bushing 8 paste into a whole in constant head tank 22.

In a further improvement of the above embodiment, the indenter 5 is a conical indenter 5, and the top of the conical indenter 5 is conical, truncated cone, or truncated pyramid.

As a further improvement of the above embodiment, one end of the forming pin 6 away from the through hole 16 is a wedge-shaped surface to form an extrusion end 24, the cross-sectional cross section of the arc sliding groove 18 includes a connecting tangent line segment 28, an arc segment 29 and a connecting tangent line segment 30, the connecting tangent line segment 28 and the connecting tangent line segment 30 are respectively tangent to two ends of the arc segment 29, the extension lines of the connecting tangent line segment 28 and the connecting tangent line segment 30 intersect, the included angle of the intersection of the connecting tangent line segment 28 and the extension lines of the connecting tangent line segment 30 is a, the included angle a is 100 °, the arc segment 29 on the cross-sectional cross section of the arc sliding groove 18 is matched with the top of the steel ball 7, and the arc sliding groove 18 is arranged so that the forming pin 6 moves left and right during installation, but the forming pin 6 does not completely move in the guide.

As a further improvement of the above embodiment, the middle part of the outer wall of the connecting base 1 is provided with an annular groove 25, and the annular groove 25 is arranged to facilitate the installation and the removal of the connecting base 1 and the guide sleeve 8.

In a further modification of the above embodiment, the lower end of the spring 9 of the cover plate 10 abuts against the bottom of the guide sleeve 8, and the cover plate 10 is connected to the bottom of the guide sleeve 8 by the fixing bolt 2.

As a further improvement of the above embodiment, the lower part of the guide sleeve 8 is provided with a first annular limiting step 26 to form a first annular step surface 27, the guide hole 17 is arranged below the first annular step surface 27, the upper part of the cover plate 10 is provided with a second annular limiting step 3 to form a second annular step surface 11, the second annular limiting step 3 is matched with the through hole 16 in the guide sleeve 8, the bottom of the guide sleeve 8 is attached to the second annular step surface 11, and the upper part of the cover plate 10 is arranged in the through hole 16.

As a further improvement of the above embodiment, the top of the pressure head 5 is provided with an adjusting washer 12, and the adjusting washer 12 is provided with a hole for facilitating the installation of the fixing bolt 2 and the positioning pin 4;

as a further improvement of the above embodiment, the fixing bolt 2 is a hexagon socket bolt;

as a further improvement of the above embodiment, the positioning pin 4 is a cylindrical pin.

Example 2

As the further improvement of above-mentioned embodiment, the bottom of connecting seat 1 is equipped with a plurality of locating piece 23, and a plurality of locating piece 23 uses mounting groove 13 to be annular array and sets up around mounting groove 13 as the centre of a circle, and the top of uide bushing 8 is equipped with a plurality of constant head tank 22, a plurality of constant head tank 22 and a plurality of locating piece 23 looks adaptation of the bottom of connecting seat 1, and locating piece 23 one-to-one sets up and makes the bottom of connecting seat 1 and the top of uide bushing 8 paste into a whole in constant head tank 22.

When the embedded pressing device of the triple gear bush of the utility model is used, the connecting seat 1, the guide sleeve 8 and the cover plate 10 are firstly disassembled, the forming pin 6 is arranged in the guide hole 17 on the guide sleeve 8, then the steel ball 7 and the spring 9 are arranged in sequence, and an upper cover plate 10 is installed and connected through an inner hexagon bolt, the guide sleeve 8 and the cover plate 10 form a press-fitting whole, the lower part of the press-fitting whole is installed in an inner hole of the bush, so that the end face of the bush is tightly attached to the end face of the guide sleeve 8, then the press-fitting whole with the bushing is arranged in the inner hole of the gear, the connecting seat 1 is connected with the upper part of the press-fitting whole through the positioning groove 22 and the positioning block 23, under the pressure applied on the upper plane of the connecting seat 1, under the mutual matching of the spring 9, the steel ball 7 and the arc sliding groove 18, the upper part of the steel ball slides in the arc sliding groove 18, so that the forming pin 6 slides in and out of the guide hole 17.

When the bushing is pressed, the connecting seat 1 and the pressing whole body are installed into a whole, the lower end of the conical pressure head 5 is abutted to one end, close to the through hole 16, of the forming pin 6, the forming pin 6 extends out of the guide sleeve 8 from the guide hole 17 along one end of the through hole 16 under the mutual matching of the spring 9, the steel ball 7 and the arc sliding groove 18, and the bushing is pressed into an inner hole of the gear and further embedded into the groove under the action of the forming pin 6.

After the press fitting of the bushing is completed, when the connecting seat 1 is integrally separated from the press fitting, one end of the forming pin 6 close to the through hole 16 is under the mutual matching of the spring 9, the steel ball 7 and the arc sliding groove 18, the steel ball 7 is pushed upwards by the acting force of the compression spring 9, the arc sliding groove 18 at the bottom of the forming pin 6 is under the acting force of the steel ball 7, one end of the forming pin 6 close to the through hole 16 extends into the through hole 16, and at the moment, the press fitting whole body can be taken out from the inner ring of the gear, so that the press fitting of the gear.

It should be understood that the above-mentioned embodiments are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. An embedded press mounting device for a triple gear bush comprises a connecting seat, a cover plate, a fixing bolt and a guide sleeve, wherein a first threaded hole for mounting the fixing bolt is formed in the top of the connecting seat, a mounting groove is formed in the middle of the bottom of the connecting seat, a pressure head is arranged in the mounting groove, the upper portion of the pressure head is arranged in the mounting groove, a second threaded hole is formed in the top of the pressure head, the fixing bolt is mounted in the first threaded hole and the second threaded hole, the guide sleeve is arranged below the connecting seat and detachably connected with the connecting seat, a through hole is formed in the middle of the guide sleeve, the lower portion of the pressure head is arranged in the through hole, two or more than two guide holes communicated with the through hole are formed in the outer wall of the guide sleeve, a forming pin is arranged in each guide hole, an, the bottom of uide bushing is equipped with the communicating spring groove with the guiding hole, be equipped with the spring in the spring groove, the top of spring is equipped with the steel ball, the upper portion of steel ball sets up in the circular arc sliding tray, the one end that the shaping round pin is close to the through-hole is with the lower extreme butt of pressure head, the bottom of uide bushing is equipped with the apron.

2. The embedded press-fitting device for the triple gear bushing as claimed in claim 1, wherein a first pin hole is formed in one side of the first threaded hole, a second pin hole is formed in one side of the second threaded hole, a positioning pin is formed in one side of the fixing bolt, a lower portion of the positioning pin is arranged in the second pin hole, an upper portion of the positioning pin is arranged in the first pin hole, the connecting seat is connected with an upper portion of the pressing head through the fixing bolt and the positioning pin, and lower portions of the fixing bolt and the positioning pin extend into the mounting groove.

3. The embedded press fitting device for the triple gear bushing as claimed in claim 2, wherein at least three sets of positioning pins are arranged at the top of the connecting seat, the positioning pins are arranged around the fixing bolt in an annular array by taking the fixing bolt as a circle center, and the positioning pins are connected with the top of the press head through pin holes.

4. The embedded press-fitting device for the triple gear bushing according to claim 1, wherein a plurality of positioning grooves are formed in the bottom of the connecting seat, the positioning grooves are annularly arranged around the mounting groove, a plurality of positioning blocks are arranged on the top of the guide sleeve, the positioning blocks are matched with the positioning grooves in the bottom of the connecting seat, and the positioning blocks are correspondingly arranged in the positioning grooves in a one-to-one manner, so that the bottom of the connecting seat is integrally attached to the top of the guide sleeve.

5. The embedded press-fitting device for the triple gear bushing as claimed in claim 1, wherein the pressure head is a conical pressure head, and the top of the conical pressure head is conical, truncated cone or truncated pyramid.

6. The in-line press-fitting device for the triple gear bushing as claimed in claim 1, wherein an end of the forming pin remote from the through hole is formed as a wedge-shaped surface to form a pressing end.

7. The embedded press-fitting device of the triple gear bushing as claimed in claim 1, wherein an annular groove is formed in the middle of the outer wall of the connecting base.

8. The embedded press-fitting device of a triple gear bushing as claimed in claim 1, wherein the lower end of the spring of the cover plate abuts, and the cover plate is connected with the bottom of the guide sleeve by a fixing bolt.

9. The embedded press-fitting device for the triple gear bushing as claimed in claim 1, wherein a first annular limiting step is arranged at the lower part of the guide sleeve to form a first annular step surface, the guide hole is arranged below the first annular step surface, a second annular limiting step is arranged at the upper part of the cover plate to form a second annular step surface, the second annular limiting step is matched with the through hole in the guide sleeve, the bottom of the guide sleeve is attached to the second annular step surface, and the upper part of the cover plate is arranged in the through hole.

10. The embedded press-fitting device for the triple gear bushing as claimed in any one of claims 1 to 9, wherein an adjusting washer is arranged on the top of the pressing head, and a hole for mounting a fixing bolt and a positioning pin is formed in the adjusting washer; the fixing bolt is an inner hexagon bolt; the positioning pin is a cylindrical pin.