CN214189787U - Front axle knuckle arm - Google Patents

Abstract

The utility model discloses a front axle knuckle arm, including front axle and knuckle arm, be provided with swivel bearing in the jack, fixed the pegging graft has the grafting piece on the fixed block, the through-hole internal fixation is pegged graft and is had the balancing pole that is used for installing the wheel, the lockhole has all been seted up on fixed block and the grafting piece, sliding insertion has the fixed pin in the lockhole, the fixed pin includes cotter pin shell baffle and locating pin, the side opening has been seted up on the cotter pin shell lateral wall, compression spring cup joints on the locating pin, the institute all be provided with the pinhole of looks adaptation with it on the lockhole on fixed block and the grafting piece, still be provided with the locking screw of looks adaptation with it on the fixed pin. The utility model discloses can reduce the friction of knuckle arm and bolt, improve the whole flexibility that turns to of dolly, prolong the life of knuckle arm to a certain extent, with current fixed mode mutually, simultaneously the utility model discloses than dismantling simply, practiced thrift the manpower to a certain extent.

Description

Front axle knuckle arm

Technical Field

The utility model relates to a front axle knuckle arm technical field specifically is a front axle knuckle arm.

Background

The knuckle arm is also called as a trapezoidal arm and is the last stage of force transmission part of a steering transmission device, the knuckle arm is arranged on a left knuckle and a right knuckle, the other end of the knuckle arm is connected with a transverse pull rod through a ball pin, the knuckle arm connects a front axle with a steering rocker through a steering longitudinal pull rod and realizes the steering function, the knuckle arm is closely inseparable with the front axle, the front axle (also called as an axle) is connected with a vehicle frame (or a bearing type vehicle body) through a suspension, and wheels are arranged at two ends of the front axle. The axle is used for bearing the load of a trolley, a front axle for maintaining the normal running of the trolley on a road is one of important parts of a chassis of the trolley, under normal conditions, the front axle not only bears the vertical load from a frame or a vehicle body, but also bears the impact load transmitted from the ground through wheels in the running process of the trolley, a steering knuckle arm is subjected to friction when being stressed by a bolt at a joint, the steering knuckle arm is damaged and is very difficult to steer, a balance rod on the common axle needs to be maintained regularly, if the safety performance of the whole vehicle is affected without maintenance, the front axle is connected with the balance rod tightly, the disassembly is very troublesome, and the disassembly is very inconvenient in the maintenance process, so that the front axle steering knuckle arm needs to be provided.

SUMMERY OF THE UTILITY MODEL

1. An object of the utility model is to provide a front axle knuckle arm, knuckle arm makes it can not directly rub with the bolt directly because swivel bearing's design makes it nimble rotation with the bolt when the bolt of junction atress, and can make it rotate with the bolt through turning to the bearing, make the knuckle arm can not receive direct friction and lead to wearing and tearing, still certain degree has improved the whole flexibility that turns to of dolly, when dismantling the balancing pole simultaneously, only need twist off locking screw from the dead bolt, just can pull out the fixed pin, make the balancing pole and plantago axle drop to accomplish to dismantle and compare prior art the utility model discloses dismantle simply, use manpower sparingly, in order to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a front axle knuckle arm comprises a front axle and a knuckle arm, wherein the knuckle arm is provided with a jack, a rotary bearing is arranged in the jack, fixed blocks are fixedly welded at the bottoms of two ends of the front axle, a first groove is formed in the side wall of each fixed block, a bolt is arranged on each fixed block, the bolt penetrates through the side wall of the front axle and is fixedly inserted in an inner ring of the rotary bearing, an insertion block is fixedly inserted in the fixed block, a through hole is formed in the insertion block, a balance rod for mounting a wheel is fixedly inserted in the through hole, lock holes are formed in the fixed blocks and the insertion blocks, a fixed pin is slidably inserted in each lock hole and comprises a pin shell baffle and a positioning pin, the baffle is arranged in a pin shell, the positioning pins are fixedly welded on the side wall of the baffle, the positioning pins are arrayed on the baffle at equal intervals, side holes are formed in the side, the locating pin slides and is inserted in the side hole, the compression spring is sleeved on the locating pin, one end of the compression spring is abutted against the side wall of the baffle, the other end of the compression spring is abutted against the inner wall of the pin shell, pin holes matched with the locating pin are formed in the locking holes in the fixed block and the insertion block, the locating pin slides and is inserted in the pin holes, locking screws matched with the locking pins are further arranged on the fixed pin, and a damping rod is further arranged at the upper end of the front axle.

An L-shaped baffle is fixedly welded in the pin shell, a stop block is arranged on the baffle, and the stop block is arranged in the L-shaped baffle.

The pin shell is provided with a threaded hole, and the locking screw is in threaded connection with the threaded hole.

The fixed block is internally provided with a second groove, and one end of the insertion block is inserted in the second groove in a sliding manner.

The front axle is provided with a sleeve, and one end of the damping rod is connected to the sleeve in a threaded mode.

The damping rod comprises two groups of sliding rods and compression springs, the two groups of sliding rods are inserted into the shell in a sliding mode respectively, the compression springs are arranged inside the shell, and two ends of each compression spring are abutted to one side of the corresponding sliding rod respectively.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up swivel bearing in the jack of knuckle arm, the knuckle arm can not directly rub with the bolt directly when the bolt of junction atress, and can make it rotate with the bolt is nimble through the steering bearing, makes the knuckle arm not receive direct friction and lead to wearing and tearing simultaneously, the utility model discloses not only improve the flexibility that the dolly wholly turned to, still prolonged the life of knuckle arm to a certain extent;

2. through the design of fixed pin, when dismantling the balancing pole, only need twist off locking screw from the fixed pin, just can pull out the fixed pin, cause the balancing pole to drop with plantago bridge, accomplish the dismantlement, compare with the fixed mode through the multiunit screw that has now and dismantle simply, practiced thrift maintainer's maintenance time to a certain extent, saved the manpower.

Drawings

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

FIG. 2 is a schematic structural view of a knuckle arm according to the present invention;

fig. 3 is a schematic structural view of the fixing block of the present invention;

FIG. 4 is a schematic structural view of the lock hole of the present invention;

FIG. 5 is a schematic structural view of the plugging block of the present invention;

fig. 6 is a schematic structural view of the fixing pin of the present invention;

fig. 7 is a schematic cross-sectional view of a retaining pin according to the present invention;

fig. 8 is a schematic structural view of the locking screw of the present invention;

fig. 9 is a schematic structural view of the damping rod of the present invention.

In the figure: 1. a front axle; 2. a fixed block; 3. an insertion block; 4. a balancing pole; 5. a lock hole; 6. a fixing pin; 7. a pin housing; 8. a baffle plate; 9. positioning pins; 10. a side hole; 11. a pin hole; 12. an L-shaped baffle plate; 13. a stopper; 14. a threaded hole; 15. locking screws; 16. a damper rod; 17. a bolt; 18. a second groove; 19. a sleeve; 20. a housing; 21. a slide bar; 22. a compression spring; 23. a first groove; 24. a knuckle arm; 25. a jack; 26. and a rotating bearing.

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 embodiment of the utility model, ordinary technical personnel in the art do not make creativity like fig. 1 and fig. 2, a front axle knuckle arm, including front axle 1 and knuckle arm 24, be provided with jack 25 on knuckle arm 24, be provided with swivel bearing 26 in the jack 25, set up swivel bearing 26 in the jack 25 through knuckle arm 24, knuckle arm 24 can not directly rub with bolt 17 directly when the bolt 17 of junction atress, but can make it rotate with bolt 17 in a flexible way through swivel bearing 26, make knuckle arm 24 not receive direct friction and lead to wearing and tearing simultaneously, the utility model discloses not only improve the flexibility that the dolly wholly turned to, still prolonged the life of knuckle arm to a certain extent;

referring to fig. 3, 4, 5, 6, 7 and 8, fixed blocks 2 are fixedly welded at the bottoms of the two ends of a front axle 1, a first groove 23 is formed in the side wall of each fixed block 2, a bolt 17 is arranged on each fixed block 2, the bolt 17 penetrates through the side wall of the front axle 1 and is fixedly inserted into an inner ring of a rotary bearing 26, a second groove 18 is arranged inside each fixed block 2, one end of each insertion block 3 is slidably inserted into the corresponding second groove 18, an insertion block 3 is fixedly inserted into each fixed block 2, a through hole is formed in each insertion block 3, a balance rod 4 for mounting a wheel is fixedly inserted into each through hole, locking holes 5 are formed in the fixed blocks 2 and the insertion blocks 3, a fixing pin 6 is slidably inserted into each locking hole 5, each fixing pin 6 comprises a pin shell 7, a baffle 8 and a positioning pin 9, the baffle 8 is arranged in the pin shell 7, the positioning pins 9 are fixedly welded on the side wall of the baffle 8, and the positioning pins 9 are arrayed on the baffle 8 at equal intervals, an L-shaped baffle plate 12 is fixedly welded in the pin shell 7, a baffle plate 8 is provided with a baffle block 13, the baffle block 13 is arranged in the L-shaped baffle plate 12, the side wall of the pin shell 7 is provided with a side hole 10, a positioning pin 9 is inserted in the side hole 10 in a sliding way, a compression spring 22 is sleeved on the positioning pin 9, one end of the compression spring 22 is abutted against the side wall of the baffle plate 8, the other end of the compression spring is abutted against the inner wall of the pin shell 7, the locking holes 5 on the fixing block 2 and the insertion block 3 are respectively provided with a pin hole 11 matched with the fixing block 9, the positioning pin 9 is inserted in the pin hole 11 in a sliding way, the fixing pin 6 is also provided with a locking screw 15 matched with the fixing pin, the pin shell 7 is provided with a threaded hole 14, the locking screw 15 is in the threaded hole 14, when the balancing pole is disassembled, only the locking screw 15 needs to be unscrewed from the fixing pin 6, because the baffle plate 8 can retract into the side hole 10 under the thrust of the compression spring 22, the fixing pin 6 can be pulled out, the balance rod 4 and the front axle 1 fall off to finish the disassembly, and compared with the existing fixing mode through a plurality of groups of screws, the disassembly is simple, the maintenance time of maintenance personnel is saved to a certain extent, and the labor is saved;

as shown in fig. 9, the damping rod 16 is further arranged at the upper end of the front axle 1, the sleeve 19 is arranged on the front axle 1, one end of the damping rod 16 is connected to the sleeve 19 through threads, the damping rod 16 comprises a shell 20, two sets of sliding rods 21 and a compression spring 22, the two sets of sliding rods 21 are respectively inserted into the shell 20 in a sliding manner, the compression spring 22 is arranged inside the shell 20, two ends of the compression spring 22 respectively abut against one side of the two sets of sliding rods 21, and the arrangement of the damping rod 16 enables the front axle to reduce the impact load transmitted from the ground through wheels during the driving process of the trolley, so that the friction between the knuckle arm 24 and the trolley connecting part is reduced, the knuckle arm 24 is protected to a certain extent, and the service life of the knuckle arm is prolonged.

The working principle is as follows: in the dolly driving process, front axle 1 bears the impact load that ground passed through the wheel transmission, the utility model discloses a set up swivel bearing 26 in the jack 25 of knuckle arm 24, knuckle arm 24 can not directly rub with bolt 17 directness when the bolt 17 of junction atress, and can make it rotate with bolt 17 is nimble through swivel bearing 26, make knuckle arm 24 can not receive the directness and rub simultaneously and lead to wearing and tearing, the flexibility that the dolly wholly turned to has been improved, when dismantling balancing pole 4, only need unscrew locking screw 15 from fixed pin 6, just can pull down fixed pin 6, cause balancing pole 4 to drop with front axle 1, accomplish the dismantlement, it is simple to compare the dismantlement with current fixed mode through the multiunit screw, maintainer's maintenance time has been practiced thrift to a certain extent, the manpower has been saved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A front axle knuckle arm comprising a front axle (1) and a knuckle arm (24) and a compression spring (22), characterized in that: be provided with jack (25) on knuckle arm (24), be provided with swivel bearing (26) in jack (25), the fixed welding in bottom at front axle (1) both ends has fixed block (2), first recess (23) have been seted up to fixed block (2) lateral wall, be provided with bolt (17) on fixed block (2), bolt (17) pass front axle (1) lateral wall fixed grafting at swivel bearing (26) inner circle, fixed grafting has plug block (3) on fixed block (2), the through-hole has been seted up to the inside of plug block (3), through-hole internal fixation is pegged graft and is had balancing pole (4) that are used for installing the wheel, lockhole (5) have all been seted up on fixed block (2) and plug block (3), sliding grafting has fixed pin (6) in lockhole (5), fixed pin (6) are including round pin shell (7), The baffle plate (8) is arranged in the pin shell (7), the positioning pin (9) is fixedly welded on the side wall of the baffle plate (8), the positioning pins (9) are arrayed on the baffle (8) at equal intervals, side holes (10) are arranged on the side wall of the pin shell (7), the positioning pin (9) is inserted in the side hole (10) in a sliding manner, the compression spring (22) is sleeved on the positioning pin (9), one end of the compression spring (22) is abutted against the side wall of the baffle (8), the other end of the pin shaft is abutted against the inner wall of the pin shell (7), pin holes (11) matched with the fixing block (2) and the inserting block (3) are arranged on the locking holes (5), the positioning pin (9) is inserted in the pin hole (11) in a sliding mode, the fixing pin (6) is further provided with a locking screw (15) matched with the fixing pin, and the upper end of the front axle (1) is further provided with a damping rod (16).

2. A front axle knuckle arm according to claim 1, wherein: an L-shaped baffle (12) is fixedly welded in the pin shell (7), a stop block (13) is arranged on the baffle (8), and the stop block (13) is arranged in the L-shaped baffle (12).

3. A front axle knuckle arm according to claim 1, wherein: the pin shell (7) is provided with a threaded hole (14), and the locking screw (15) is in threaded connection with the threaded hole (14).

4. A front axle knuckle arm according to claim 1, wherein: a second groove (18) is formed in the fixed block (2), and one end of the insertion block (3) is inserted into the second groove (18) in a sliding mode.

5. A front axle knuckle arm according to claim 1, wherein: a sleeve (19) is arranged on the front axle (1), and one end of the damping rod (16) is connected to the sleeve (19) in a threaded mode.

6. A front axle knuckle arm according to claim 1, wherein: the damping rod (16) comprises a shell (20), two groups of sliding rods (21) and compression springs (22), the two groups of sliding rods (21) are respectively inserted into the shell (20) in a sliding mode, the compression springs (22) are arranged inside the shell (20), and two ends of each compression spring (22) respectively abut against one side of each sliding rod (21).

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