CN212447777U

CN212447777U - High-performance maintenance-free transition swing arm assembly and heavy-duty car using same

Info

Publication number: CN212447777U
Application number: CN201921430369.0U
Authority: CN
Inventors: 张光金; 姜伟健; 张光磊
Original assignee: Shandong Detai Auto Parts Co ltd
Current assignee: Shandong Detai Auto Parts Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2021-02-02
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses a high-performance maintenance-free transition swing arm assembly and a heavy-duty car using the same, which relate to the field of heavy-duty car steering and comprise a transition swing arm support and a steering swing arm, wherein the other end of a body is fixedly provided with a connecting block, the end surface of the connecting block is fixedly connected with a first mounting column, the end surface of the first mounting column is fixedly provided with a second mounting column, the periphery of the second mounting column is provided with screw threads, one end of the connecting rod is provided with a first mounting cylinder, the other end of the connecting rod is provided with a second mounting cylinder, a stepped hole comprises a first connecting hole, a bearing mounting hole, a retainer ring mounting groove, a second connecting hole and an end cover mounting hole which are sequentially communicated, the first mounting column and the second mounting column of the transition swing arm support are inserted into the stepped hole, a bearing is mounted in the bearing mounting hole of the stepped hole, a retainer ring is mounted in the retainer, the second mounting column is provided with a self-locking nut through threads, and the end face of the self-locking nut abuts against the end face of the check ring.

Description

High-performance maintenance-free transition swing arm assembly and heavy-duty car using same

Technical Field

The utility model relates to a heavy-duty car turns to the field, specifically is a heavy-duty car of high performance non-maintaining transition swing arm assembly and applied this assembly.

Background

Along with heavy-duty car loading capacity is bigger and bigger, the market of two steering motorcycle types is more and more looked for, and two steering motorcycle types adopt two transition swing arm structures mostly for it turns to rocking arm and steering axle to establish ties, and two transition swing arms adopt two needle bearing structures mostly moreover, need regularly to annotate the butter lubrication to swing arm structure, and it is inconvenient to maintain the maintenance. And the double-swing-arm structure occupies a larger space of the whole vehicle, and two swing arms and two transition pull rods are required to be connected, so that the cost and the weight of the whole vehicle are increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heavy automobile of high performance non-maintaining transition swing arm assembly and applied this assembly to the whole car cost that proposes in solving above-mentioned background art and the great problem of whole car weight.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a high performance non-maintaining transition swing arm assembly, includes transition swing arm support and turns to the swing arm, transition swing arm support includes body, fixed plate, connecting block, first erection column, second erection column, crosses the aqueduct, the one end and the fixed plate fixed connection of body, the other end of body is fixed with the connecting block, the terminal surface and the first erection column fixed connection of connecting block, be fixed with the second erection column on the terminal surface of first erection column, be equipped with the screw thread on the periphery of second erection column, turn to the swing arm and include connecting rod, first installation section of thick bamboo, second installation section of thick bamboo, the one end of connecting rod is equipped with first installation section of thick bamboo, the other end of connecting rod is equipped with the second installation section of thick bamboo, be equipped with the shoulder hole in the first installation section of thick bamboo, the shoulder hole includes first connecting hole, bearing mounting hole, retaining ring mounting groove, second connecting hole of through connection, The end cover mounting hole, the first erection column and the second erection column of transition swing arm support insert in the shoulder hole, install the bearing in the bearing mounting hole of shoulder hole, install the retaining ring in the retaining ring mounting hole, first erection column is installed in the inner circle of bearing, the second erection column is equipped with self-locking nut through the screw thread, self-locking nut's terminal surface supports on the terminal surface of retaining ring.

Further, an end cover is installed in the end cover installation hole.

Furthermore, the upper end of the body of the transition swing arm support is provided with a bolt hole.

Furthermore, four first fixing holes are formed in a fixing plate of the transition swing arm support.

Furthermore, reinforcing ribs are fixed on connecting angles of the body and the fixed plate on the transition swing arm support.

Further, the first mounting column and the second mounting column are perpendicular to the fixing plate.

Furthermore, a second fixing hole is formed in the center of a second mounting cylinder of the steering swing arm.

Further, the bearing is a double-row tapered roller bearing.

Furthermore, the retainer ring is an elastic retainer ring for an A-shaped hole.

Furthermore, a transition groove is formed in the joint of the connecting block and the first mounting column, and the minimum diameter of the transition groove is equal to the diameter of the second mounting column.

A heavy-duty car, use said transition swing arm assembly.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses compare with the two swing arm structures in the two steering motorcycle types of prior art, only adopt a transition swing arm, transition pull rod around each connection of both sides, power and corner relation for transmitting a steering system, save one set of steering pull rod and preceding transition swing arm structure for a steering system, the structural arrangement is more reasonable, especially adopt double-row tapered roller bearing, can bear great axial and radial moment, intensity is the improvement greatly than original structure, possible non-maintaining, need not regularly fill the butter maintenance, be favorable to reducing the whole car cost.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic cross-sectional view of the left side view of fig. 1 according to the present invention;

fig. 3 is a schematic structural view of the transition swing arm bracket of fig. 1 according to the present invention;

fig. 4 is a schematic cross-sectional view of the left side of fig. 3 according to the present invention;

FIG. 5 is a schematic cross-sectional view of A-A of FIG. 3 according to the present invention;

fig. 6 is an enlarged schematic view of the present invention at H in fig. 4;

fig. 7 is a schematic top view of the steering swing arm of fig. 1 according to the present invention;

fig. 8 is a schematic cross-sectional view of the front view of fig. 7 according to the present invention.

In the figure: 1 transition swing arm support, 101 body, 102 fixed plate, 103 connecting block, 104 first erection column, 105 second erection columns, 106 transition grooves, 107 first fixed orificess, 108 strengthening rib, 109 bolt hole, 2 turn to the swing arm, 201 connecting rod, 202 first installation section of thick bamboo, 203 second installation section of thick bamboo, 204 first connecting hole, 205 bearing mounting hole, 206 retaining ring mounting groove, 207 second connecting hole, 208 end cover mounting hole, 209 second fixed orificess, 210 subtracts the weight groove, 3 end cover, 4 auto-lock nuts, 5 bearings, 6 retaining rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-2, a high-performance maintenance-free transition swing arm assembly includes a transition swing arm support 1 and a steering swing arm 2, referring to fig. 3-4, the transition swing arm support 1 includes a body 101, a fixing plate 102, a connecting block 103, a first mounting post 104, a second mounting post 105, and a transition groove 106, one end of the body 101 is fixedly connected to the fixing plate 102, the other end of the body 101 is fixed with the connecting block 103, an end surface of the connecting block 103 is fixedly connected to the first mounting post 104, the end surface of the first mounting post 104 is fixed with the second mounting post 105, a circumferential surface of the second mounting post 105 is provided with threads, and an upper end of the body 101 of the transition swing arm support 1 is provided with a bolt hole 109. Referring to fig. 5, four first fixing holes 107 are formed on the fixing plate 102 of the transition swing arm bracket 1. And reinforcing ribs 108 are fixed on connecting angles of the body 101 and the fixing plate 102 on the transition swing arm bracket 1. The first mounting post 104 and the second mounting post 105 are perpendicular to the fixing plate 102. Referring to fig. 7-8, the steering swing arm 2 includes a connecting rod 201, a first mounting cylinder 202 and a second mounting cylinder 203, the first mounting cylinder 202 is disposed at one end of the connecting rod 201, the second mounting cylinder 203 is disposed at the other end of the connecting rod 201, a weight reduction groove 210 is disposed on the connecting rod 201, a stepped hole is disposed in the first mounting cylinder 202, the stepped hole includes a first connecting hole 204, a bearing mounting hole 205, a retainer ring mounting groove 206, a second connecting hole 207 and an end cover 3 mounting hole 208 which are sequentially connected in a penetrating manner, and a second fixing hole 209 is disposed at the center of the second mounting cylinder 203 of the steering swing arm 2; first erection column 104 and second erection column 105 of transition swing arm support 1 insert in the shoulder hole, install bearing 5 in the bearing mounting hole 205 of shoulder hole, install retaining ring 6 in the retaining ring 6 mounting hole, first erection column 104 is installed in the inner circle of bearing 5, self-locking nut 4 is equipped with through the screw thread to second erection column 105, the terminal surface of self-locking nut 4 supports on the terminal surface of retaining ring 6. The end cover 3 is installed in the end cover 3 installation hole 208. End cover 3 plays the guard action to whole swing arm assembly structure, prevents that external impurity from getting into in the revolute pair. The bearing 5 is a double-row tapered roller bearing 5. The double-row tapered roller bearing 5 is in interference connection with the first mounting column 104, the double-row tapered roller bearing 5 is heated and expanded in an oil-heat mode, then the double-row tapered roller bearing and the first mounting column 104 are installed in the bearing 5, then the first mounting column 104 is fixed in the bearing 5 through the self-locking nut 4 on the second mounting column 105, and the interference connection mode is adopted, so that firm connection between the double-row tapered roller bearing and the first mounting column can be guaranteed. The retainer ring 6 is an elastic retainer ring 6 for an A-shaped hole. Referring to fig. 6, a transition groove 106 is formed at the connection position of the connecting block 103 and the first mounting post 104, and the minimum diameter of the transition groove 106 is equal to the diameter of the second mounting post 105.

After the end cover 3 is assembled, 2-3 points are uniformly pressed and riveted outside the mounting hole 208 of the end cover 3 to lock the end cover 3. After assembly, the steering swing arm 2 should rotate freely in the stepped hole by taking the first mounting column 104 as a rotating shaft, so that the phenomenon of hairpin cannot occur, and the maximum friction torque during rotation is not more than 0.5 N.m. When the checking torque is 50N.m, the steering clearance is +/-0.03 mm. All the outer leakage processing surfaces are coated with lithium-based lubricating grease, and the bearing 5 part needs to be filled with the lithium-based lubricating grease. The tightening torque of the self-locking nut 4 is 160N.m +/-16 N.m. The utility model discloses compare with the two swing arm structures in the two steering motorcycle types of prior art, only adopt a transition swing arm, transition pull rod around each connection of both sides, power and corner relation for transmitting a steering system, save one set of steering pull rod and preceding transition swing arm structure for a steering system, structural arrangement is more reasonable, especially adopt double-row tapered roller bearing 5, can bear great axial and radial moment, intensity is the improvement greatly than original structure, possible non-maintaining, need not regularly fill the butter maintenance, be favorable to reducing the whole car cost.

Example 2:

a heavy-duty vehicle using the transitional swing arm assembly of embodiment 1.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high performance non-maintaining transition swing arm assembly which characterized in that: the transition swing arm support comprises a body, a fixed plate, a connecting block, a first mounting column, a second mounting column and a transition groove, one end of the body is fixedly connected with the fixed plate, the other end of the body is fixedly provided with the connecting block, the end face of the connecting block is fixedly connected with the first mounting column, the second mounting column is fixedly arranged on the end face of the first mounting column, threads are arranged on the circumferential face of the second mounting column, the transition swing arm comprises a connecting rod, a first mounting cylinder and a second mounting cylinder, one end of the connecting rod is provided with the first mounting cylinder, the other end of the connecting rod is provided with the second mounting cylinder, a stepped hole is arranged in the first mounting cylinder, the stepped hole comprises a first connecting hole, a bearing mounting hole, a retainer ring mounting groove, a second connecting hole and an end cover mounting hole which are sequentially connected in a penetrating manner, the first mounting column and the second mounting column of the transition swing arm support are inserted into the stepped hole, the bearing is installed in the bearing installation hole of the stepped hole, the check ring is installed in the check ring installation hole, the first installation column is installed in the inner ring of the bearing, the second installation column is provided with the self-locking nut through threads, and the end face of the self-locking nut abuts against the end face of the check ring.

2. The transition swing arm assembly of claim 1 wherein: the end cover mounting hole is provided with an end cover.

3. The transition swing arm assembly of claim 1 wherein: the upper end of the body of the transition swing arm support is provided with a bolt hole.

4. The transition swing arm assembly of claim 1 wherein: four first fixing holes are formed in the fixing plate of the transition swing arm support.

5. The transition swing arm assembly of claim 1 wherein: and reinforcing ribs are fixed on connecting angles of the body and the fixed plate on the transition swing arm support.

6. The transition swing arm assembly of claim 1 wherein: the first mounting column and the second mounting column are perpendicular to the fixing plate.

7. The transition swing arm assembly of claim 1 wherein: and a second fixing hole is formed in the center of a second mounting cylinder of the steering swing arm.

8. The transition swing arm assembly of claim 1 wherein: the retainer ring is an elastic retainer ring for an A-shaped hole.

9. The transition swing arm assembly of claim 1 wherein: and a transition groove is formed at the joint of the connecting block and the first mounting column, and the minimum diameter of the transition groove is equal to that of the second mounting column.

10. A heavy-duty vehicle characterized by: use of a transitional swing arm assembly according to any of claims 1 to 9.