CN218639551U

CN218639551U - Compound bush dismouting subassembly of guide arm

Info

Publication number: CN218639551U
Application number: CN202223099553.6U
Authority: CN
Inventors: 余明德; 王玉东
Original assignee: Zhenjiang Baohua Semi Trailer Parts Co ltd
Current assignee: Zhenjiang Baohua Semi Trailer Parts Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-17
Anticipated expiration: 2032-11-22

Abstract

The utility model discloses a compound bush dismouting subassembly of guiding arm, include sleeve subassembly and connect in sleeve subassembly's extension bolt, extension bolt is connected with the dismouting subassembly that is used for the compound bush dismouting, the dismouting subassembly is including tearing open set subassembly, the outfit subassembly, extension bolt is connected with the nut, the nut is used for the drive to tear open set subassembly, the outfit subassembly removes along the length direction of extension bolt. The utility model discloses the nut is screwed up gradually to the operable spanner, and then make a clamp plate drive compression mould remove to the direction that is close to the guiding arm, it is ejecting from the guiding arm gradually that composite bushing is promptly, it is intraductal to make composite bushing get into the cover at last, accomplish composite bushing's dismantlement, compare with the mode of beating, this kind of mode can slowly ejecting with composite bushing, can not damage the guiding arm, time saving and labor saving, the dismantlement efficiency of composite bushing is improved, also be convenient for simultaneously to composite bushing's installation, the flexible operation is convenient, therefore, the clothes hanger is strong in practicability.

Description

Compound bush dismouting subassembly of guide arm

Technical Field

The utility model relates to an auto repair tools technical field specifically is a compound bush dismouting subassembly of guide arm.

Background

The existing air suspension equipped for commercial vehicles is provided with a rubber-steel composite bushing for damping at the position of a guide arm eye. As shown in fig. 7, since the commercial vehicle is often heavily loaded, after being used for several years, the composite bushing needs to be replaced after the composite bushing is damaged due to the service life, and the interference magnitude between the composite bushing and the guide arm is relatively large, the composite bushing is difficult to detach from the guide arm, and particularly when a service station is maintained, the composite bushing does not have special equipment and cannot be directly knocked to prevent the guide arm from being damaged, so that the composite bushing dismounting assembly of the guide arm is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound bush dismouting subassembly of guiding arm, what possess is convenient for to the dismouting of compound bush, and the problem of proposing among the above-mentioned background art has been solved to the advantage that the flexible operation is convenient.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a compound bush dismouting subassembly of guiding arm, includes sleeve subassembly and connects in sleeve subassembly's extension bolt, extension bolt is connected with the dismouting subassembly that is used for the compound bush dismouting, the dismouting subassembly is including sleeve stripping subassembly, dress cover subassembly, extension bolt is connected with the nut, the nut is used for the drive to tear cover subassembly, dress cover subassembly and removes along the length direction of extension bolt.

Preferably, the sleeve component comprises a seat plate and a sleeve connected to the seat plate, and the lengthened bolt penetrates through the seat plate and the sleeve.

Preferably, the sleeve disassembling component comprises a first plane bearing, a first pressing plate, a first baffle, a first hole check ring, a positioning groove and a pressing die, the lengthening bolt sequentially penetrates through the first composite bushing, the pressing die, the positioning groove, the first plane bearing, the first baffle and the first hole check ring, the positioning groove is used for limiting the pressing die and is arranged on one side of the first pressing plate, and the first plane bearing, the first baffle and the first hole check ring are all fixed in the first pressing plate.

Preferably, the length of the die is greater than the width of the guide arm.

Preferably, a transition washer is sleeved on the lengthened bolt, the nut is in threaded connection with the lengthened bolt, when the pressing die moves, the nut presses the transition washer, and the transition washer presses the first plane bearing.

Preferably, the sleeving assembly comprises a second plane bearing, a second pressing plate, a second baffle plate, a second hole check ring, a step, a guide sleeve and an extension bolt, wherein the extension bolt sequentially penetrates through the guide sleeve, the composite bushing and the second pressing plate, the step is fixed on one side of the second pressing plate, the second plane bearing, the second baffle plate and the second hole check ring are all fixed in the second pressing plate, when the sleeving assembly is carried out, a nut is pressed on a transition washer, the transition washer is pressed on the second plane bearing, and the step drives the composite bushing and the guide sleeve to synchronously move towards the direction close to the guide arm.

Preferably, the step is matched with a concave surface arranged on one side of the guide arm.

Preferably, the outer diameter of the guide sleeve is larger than the outer diameter of the composite bushing.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses a be provided with and tear a set subassembly open, the dress cover subassembly, when needs dismantle composite bushing, support sleeve subassembly on the lateral wall of guiding arm, penetrate sleeve subassembly with the extension bolt in proper order, composite bushing, tear a set subassembly and transition packing ring open, operating wrench screws up the nut gradually, and then make a clamp plate drive compression mould to the direction removal that is close to the guiding arm, it is ejecting from the guiding arm gradually to make composite bushing promptly, it is intraductal to make composite bushing get into the cover at last, accomplish composite bushing's dismantlement, compare with the mode of knocking, this kind of mode can be slowly ejecting with composite bushing, can not damage the guiding arm, time saving and labor saving, the dismantlement efficiency of improvement composite bushing. When needing to the installation of composite bushing, support sleeve subassembly on the lateral wall of guiding arm, penetrate sleeve subassembly in proper order with extension bolt, the uide bushing, composite bushing, clamp plate two and transition packing ring, then screw up the nut gradually through the spanner, and then make two drive composite bushing of clamp plate remove to the direction that is close to the guiding arm, under the guide effect of uide bushing, in the guiding arm of impressing gradually composite bushing, make clamp plate two and the lateral wall of guiding arm contact completely at last, composite bushing enters into the guiding arm completely, the uide bushing enters into the cover intraductally simultaneously, accomplish composite bushing's installation, the flexible operation is convenient, therefore, the clothes hanger is strong in practicability.

Drawings

Fig. 1 is a perspective view of the present invention; (state in which the composite bush is detached from the guide arm)

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of FIG. 2 at A;

fig. 4 is a perspective view of the present invention; (state in which the composite bush is fitted into the guide arm)

FIG. 5 is a cross-sectional view of FIG. 4;

FIG. 6 is an enlarged view of FIG. 5 at B;

fig. 7 is a schematic view of a structure in which a conventional composite bushing is connected to a guide arm.

In the figure: 1. a guide arm; 2. a composite bushing; 3. a sleeve assembly; 3a, a seat board; 3b, sleeving a sleeve; 4. die pressing; 5. disassembling the sleeve assembly; 5a, a first plane bearing; 5b, pressing a first plate; 5c, a first baffle; 5d, a first hole check ring; 5e, positioning a groove; 6. a guide sleeve; 7. sleeving the assembly; 7a, a plane bearing II; 7b, a second pressing plate; 7c, a second baffle plate; 7d, a second hole retainer ring; 7e, a step; 8. lengthening the bolt; 9. a nut; 11. a transition washer; 12. and (4) a concave surface.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 7, in the conventional apparatus, a mounting hole is formed at the eye of the guide arm 1, and a "rubber-steel" composite bushing 2 is pressed into the mounting hole by 5-8 tons of axial force.

Please refer to fig. 1 to 6, the utility model provides a compound bush dismouting subassembly of guiding arm, including sleeve component 3 and connect in sleeve component 3's extra long bolt 8, extra long bolt 8 is connected with the dismouting subassembly that is used for the 2 dismouting of compound bush, and the dismouting subassembly is including sleeve stripping subassembly 5, dress cover subassembly 7, and extra long bolt 8 is connected with nut 9, and nut 9 is used for driving sleeve stripping subassembly 5, dress cover subassembly 7 and removes along the length direction of extra long bolt 8.

The socket assembly 3 includes a seat plate 3a and a sleeve 3b connected to the seat plate 3a, and the extension bolt 8 penetrates the seat plate 3a and the sleeve 3b, and the sleeve 3b is hollow.

The sleeve disassembling component 5 comprises a first plane bearing 5a, a first pressing plate 5b, a first baffle 5c, a first hole retainer ring 5d, a positioning groove 5e and a pressing die 4, wherein a lengthened bolt 8 sequentially penetrates through the composite bushing 2, the pressing die 4, the positioning groove 5e, the first plane bearing 5a, the first baffle 5c and the first hole retainer ring 5d, the positioning groove 5e is used for limiting the pressing die 4, the positioning groove 5e is formed in one side of the first pressing plate 5b, and the first plane bearing 5a, the first baffle 5c and the first hole retainer ring 5d are all fixed in the first pressing plate 5 b. The transition washer 11 is arranged to reduce the frictional resistance between the nut 9 and the first pressure plate 5b when the nut 9 is screwed down, so that the nut 9 can be rotated in a labor-saving manner.

When the composite bushing 2 needs to be disassembled, the sleeve component 3 is abutted to the side wall of the guide arm 1, namely, the sleeve 3b is attached to the guide arm 1, the lengthened bolt 8 sequentially penetrates into the sleeve component 3, the composite bushing 2, the sleeve disassembling component 5 and the transition washer 11, the nut 9 is gradually screwed by the operation wrench, and then the pressing plate 5b drives the pressing die 4 to move towards the direction close to the guide arm 1, namely, the composite bushing 2 is gradually ejected out of the guide arm 1, and finally, the composite bushing 2 enters the sleeve 3b to complete the disassembly of the composite bushing 2.

The length of the pressing die 4 is greater than the width of the guide arm 1, and the pressing die 4 can completely eject the composite bush 2 out of the guide arm 1, namely, the composite bush 2 can be completely separated from the guide arm 1 without manual drawing.

The lengthening bolt 8 is sleeved with a transition washer 11, the nut 9 is in threaded connection with the lengthening bolt 8, when the pressing die 4 moves, the nut 9 presses the transition washer 11, and the transition washer 11 presses the first plane bearing 5a.

The sleeving assembly 7 comprises a second plane bearing 7a, a second pressing plate 7b, a second baffle plate 7c, a second hole retainer ring 7d, a step 7e, a guide sleeve 6 and a lengthened bolt 8, wherein the lengthened bolt 8 sequentially penetrates through the guide sleeve 6, the composite bushing 2 and the second pressing plate 7b, the step 7e is fixed on one side of the second pressing plate 7b, the second plane bearing 7a, the second baffle plate 7c and the second hole retainer ring 7d are all fixed in the second pressing plate 7b, when sleeving is conducted, the nut 9 is pressed on the transition washer 11, the transition washer 11 is pressed on the second plane bearing 7a, and the step 7e drives the composite bushing 2 and the guide sleeve 6 to synchronously move towards the direction close to the guide arm 1.

When needing to compound bush 2 installation, support sleeve subassembly 3 on the lateral wall of guiding arm 1, sleeve pipe 3b laminates in guiding arm 1 promptly, penetrate sleeve subassembly 3 with extension bolt 8 in proper order, uide bushing 6, compound bush 2, clamp plate two 7b and transition packing ring 11, then screw up nut 9 gradually through the spanner, and then make clamp plate two 7b drive compound bush 2 and move to the direction that is close to guiding arm 1, under the guide effect of uide bushing 6, in the guiding arm 1 of impressing compound bush 2 gradually, make clamp plate two 7b and the lateral wall of guiding arm 1 complete contact at last, compound bush 2 enters into in the guiding arm 1 completely, simultaneously the uide bushing 6 gets into in the sleeve pipe 3b, accomplish the installation of compound bush 2, the flexible operation is convenient.

The step 7e is matched with a concave surface 12 arranged on one side of the guide arm 1, the end surface of the pressing plate 7b is g, the end surface of the guide arm 1 is f, when g is in full contact with f, the step 7e on the pressing plate two 7b is connected with the concave surface 12, namely, the two sides of the composite bushing 2 and the two sides of the guide arm 1 are completely centered, the position of the composite bushing 2 does not need to be reversely adjusted, and the installation precision is guaranteed.

The external diameter of uide bushing 6 is greater than the external diameter of composite bushing 2, and uide bushing 6 is provided with step 7e equally, and clamp plate 7b is unanimous with composite bushing 2's inside and outside steel bushing step size with step 7e of uide bushing 6, moves to the guide arm 1 direction along with nut 9 gradually for the uide bushing 6 expands the grow with the mounting hole of guide arm 1 when the guide arm 1 is impressed, thereby the rubber in the protection composite bushing 2 that can be fine can not deform and damage.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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

1. The utility model provides a compound lining dismouting subassembly of guiding arm, its characterized in that includes sleeve component (3) and connects in extension bolt (8) of sleeve component (3), extension bolt (8) are connected with the dismouting subassembly that is used for compound lining (2) dismouting, the dismouting subassembly is including tear set subassembly (5), outfit subassembly (7) open, extension bolt (8) are connected with nut (9), nut (9) are used for driving tear set subassembly (5), outfit subassembly (7) and remove along the length direction of extension bolt (8).

2. The guide arm composite bushing dismounting assembly according to claim 1, wherein said sleeve assembly (3) comprises a seat plate (3 a) and a sleeve (3 b) connected to the seat plate (3 a), and said extension bolt (8) penetrates through the seat plate (3 a) and the sleeve (3 b).

3. The guide arm composite bushing dismounting and mounting assembly according to claim 1, wherein the dismounting and mounting assembly (5) comprises a first plane bearing (5 a), a first pressing plate (5 b), a first baffle (5 c), a first hole retainer ring (5 d), a positioning groove (5 e) and a pressing die (4), the extension bolt (8) sequentially penetrates through the composite bushing (2), the pressing die (4), the positioning groove (5 e), the first plane bearing (5 a), the first baffle (5 c) and the first hole retainer ring (5 d), the positioning groove (5 e) is used for limiting the pressing die (4), the positioning groove (5 e) is arranged on one side of the first pressing plate (5 b), and the first plane bearing (5 a), the first baffle (5 c) and the first hole retainer ring (5 d) are fixed in the first pressing plate (5 b).

4. A guide arm composite bushing dismounting assembly according to claim 3, characterized in that the length of the pressing die (4) is greater than the width of the guide arm (1).

5. The guide arm composite bushing dismounting assembly according to claim 3, wherein the extension bolt (8) is sleeved with a transition washer (11), the nut (9) is in threaded connection with the extension bolt (8), when the pressing die (4) moves, the nut (9) presses the transition washer (11), and the transition washer (11) presses the first plane bearing (5 a).

6. The guide arm composite bushing dismounting and mounting assembly according to claim 1, wherein the mounting assembly (7) comprises a second plane bearing (7 a), a second pressing plate (7 b), a second baffle plate (7 c), a second hole retainer ring (7 d), a step (7 e), a guide sleeve (6), and a lengthened bolt (8) which sequentially penetrates through the guide sleeve (6), the composite bushing (2) and the second pressing plate (7 b), wherein the step (7 e) is fixed on one side of the second pressing plate (7 b), the second plane bearing (7 a), the second baffle plate (7 c) and the second hole retainer ring (7 d) are all fixed in the second pressing plate (7 b), when mounting is carried out, a nut (9) is pressed on a transition washer (11), the transition washer (11) is pressed on the second plane bearing (7 a), and the step (7 e) drives the composite bushing (2) and the guide sleeve (6) to synchronously move towards the direction close to the guide arm (1).

7. A guide arm composite bushing dismounting assembly according to claim 6, characterized in that the step (7 e) matches with a concave surface (12) arranged on one side of the guide arm (1).

8. A guide arm composite bushing dismounting assembly according to claim 6, characterized in that the guide sleeve (6) has an outer diameter larger than the outer diameter of the composite bushing (2).