CN210436951U

CN210436951U - American air suspension shock attenuation bush of commercial car

Info

Publication number: CN210436951U
Application number: CN201921264548.1U
Authority: CN
Inventors: 邹建勇
Original assignee: Nanchang Tuosheng Auto Parts Co Ltd
Current assignee: Nanchang Tuosheng Auto Parts Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-05-01
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses an American air suspension shock attenuation bush of commercial car, including the fore-stock, the bumper shock absorber, bear the gasbag, the shock attenuation cover, stop device, the joist, half U type bolt, trailer axle and positioner, the joist sets up in one side of fore-stock, bear the gasbag and connect in one side of joist upper surface, the bumper shock absorber is connected in the opposite side of joist upper surface, stop device sets up in one side of bumper shock absorber, the trailer axle sets up in one side of joist bottom, the outer wall of trailer axle is located to half U type bolt cover, the shock attenuation cover is worn to insert and is established the bottom of arranging the fore-stock in, two positioner set up respectively in the top at the front of shock attenuation cover and the back. The utility model discloses shock attenuation cover and positioner matched with mode of setting rotates to certain angle back through making first gag lever post and second gag lever post, no longer has the restriction effect back to the front of shock attenuation cover, alright dismantle the change between fore-stock and the shock attenuation cover, simple structure, the operation of being convenient for.

Description

American air suspension shock attenuation bush of commercial car

Technical Field

The utility model relates to a commercial car air suspension shock attenuation bush's technical field, in particular to American air suspension shock attenuation bush of commercial car.

Background

The semitrailer is mainly used for transporting large-size and difficultly-disassembled large goods, such as excavators and the like, the fence type semitrailer is suitable for pulling fresh and live goods, such as vegetables, fruits and the like, and the van type semitrailer is suitable for pulling bulk goods and moisture-proof valuable goods.

The American air suspension girder shock-absorbing sleeve of the semitrailer has six component forces to the vehicle, namely torsional pendulum forces in the vertical direction, the longitudinal direction, the lateral direction and the three directions. The material of bush is natural rubber material, easily produces rubber fracture, rigidity inefficacy problem under long-time service conditions, influences vehicle shock attenuation effect. And the replacement and maintenance of the bush are troublesome, which affects the attendance efficiency of the vehicle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an American air suspension shock attenuation bush of commercial car to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the American air suspension shock absorption bushing for the commercial vehicle comprises a front support, a shock absorber, a bearing air bag, a shock absorption sleeve, a limiting device, a joist, a semi-U-shaped bolt, a trailer axle and positioning devices, wherein the joist is arranged on one side of the front support, the bearing air bag is fixedly connected to one side of the upper surface of the joist, the shock absorber is fixedly connected to the other side of the upper surface of the joist, the limiting device is arranged on one side of the shock absorber, the trailer axle is arranged on one side of the bottom of the joist, the semi-U-shaped bolt is sleeved on the outer wall of the trailer axle, two ends of the semi-U-shaped bolt are fixedly connected with the lower surface of the joist, the shock absorption sleeve is arranged at the bottom of the front support in a penetrating manner, the shock absorption sleeve is made of polyurethane material, and the two positioning devices are respectively arranged at the tops;

the positioning device comprises a first limiting rod, a second limiting rod and two rotating rods, wherein one end of each rotating rod is fixedly sleeved with the first limiting rod and the second limiting rod respectively, the other end of each rotating rod is rotatably connected with the front support, and the first limiting rod and the second limiting rod are rotatably connected with the front support through the two rotating rods respectively.

Preferably, ask american air suspension shock absorber bush of a commercial car, its characterized in that: the bottom of one side of the first limiting rod is fixedly connected with a clamping block, and the bottom of one side of the second limiting rod is provided with a groove matched with the clamping block.

Preferably, one side fixedly connected with iron plate of fixture block, fixedly connected with magnetite on the grooved one side inner wall, just the iron plate is corresponding with the position of magnetite.

Preferably, the shock-absorbing sleeve is symmetrically provided with buffer cavities, and the two buffer cavities are respectively positioned at the top and the bottom of the shock-absorbing sleeve.

Preferably, stop device includes two otic placodes and spring steel plate, the bottom and the joist fixed connection of otic placode, the spring steel plate slides to alternate and sets up between two otic placodes.

Preferably, both ends of the spring steel plate are fixedly connected with sliding plates, and sliding grooves matched with the sliding plates are formed in the lug plates.

The utility model discloses a technological effect and advantage:

1. the utility model discloses shock attenuation cover and positioner matched with mode of setting, after making first gag lever post and second gag lever post rotate to certain angle, no longer have the restriction effect to the front of shock attenuation cover, alright dismantle the change between fore-stock and the shock attenuation cover, simple structure, the operation of being convenient for;

2. the utility model discloses the polyurethane material that shock attenuation cover used can be so that shock attenuation cover has more outstanding durability, and is stand wear and tear, and can improve bush production efficiency, improves the efficiency of attendance of vehicle.

Drawings

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

Fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 according to the present invention.

Fig. 3 is a schematic side view of the limiting device of the present invention.

Fig. 4 is a schematic view of the structure of the shock-absorbing sleeve of the present invention.

In the figure: 1. a front bracket; 2. a shock absorber; 3. a load-bearing air bag; 4. a shock-absorbing sleeve; 5. a limiting device; 51. an ear plate; 52. a spring steel plate; 53. a slide plate; 54. a chute; 6. a joist; 7. a half U-shaped bolt; 8. a trailer axle; 9. a buffer chamber; 10. a first limit rod; 11. a second limiting rod; 12. grooving; 13. an iron block; 14. a magnet; 15. and (4) rotating the rod.

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.

The utility model provides a American air suspension shock-absorbing bush for commercial vehicles as shown in figures 1-4, which comprises a front bracket 1, a shock absorber 2, a bearing airbag 3, a shock-absorbing sleeve 4, a limiting device 5, a joist 6, a semi-U-shaped bolt 7, a trailer axle 8 and a positioning device, wherein the joist 6 is arranged at one side of the front bracket 1, the bearing airbag 3 is fixedly connected at one side of the upper surface of the joist 6, the shock absorber 2 is fixedly connected at the other side of the upper surface of the joist 6, the output end of the shock absorber 2 is in transmission connection with the front bracket 1 through a connecting seat, the limiting device 5 is arranged at one side of the shock absorber 2, the trailer axle 8 is arranged at one side of the bottom of the joist 6, the semi-U-shaped bolt 7 is sleeved on the outer wall of the trailer axle 8, both ends of the semi-U-shaped bolt 7 are fixedly connected with the lower surface of the joist 6, the shock-absorbing sleeve 4 is, and two cushion chambers 9 are located the top and the bottom of shock attenuation cover 4 respectively, cushion chamber 9 can give the certain deformation space of the deformation of shock attenuation cover 4, prevent the too big condition that leads to the fracture of shock attenuation cover 4 pressurized, shock attenuation cover 4 is the polyurethane material, the polyurethane material can make shock attenuation cover 4 have more outstanding durability, it is stand wear and tear, and can improve bush production efficiency, the efficiency of attendance of improvement vehicle, and polyurethane possesses more outstanding wearability, obtain the rigidity curve that possesses the natural rubber material through adjusting the prescription, two positioner set up respectively in the top at the front of shock attenuation cover 4 and the back, thereby all restrict the relative position of the front and the back of shock attenuation cover 4 and fore-stock 1, prevent that shock attenuation cover 4 from breaking away from in the inner chamber of fore-stock 1.

The positioning device consists of a first limiting rod 10, a second limiting rod 11 and two rotating rods 15, one end of each rotating rod 15 is fixedly sleeved with the first limiting rod 10 and the second limiting rod 11 respectively, the other end of each rotating rod 15 is rotatably connected with the front support 1, the first limiting rod 10 and the second limiting rod 11 are rotatably connected with the front support 1 through the two rotating rods 15 respectively, the bottom of one side of the first limiting rod 10 is fixedly connected with a clamping block, the bottom of one side of the second limiting rod 11 is provided with a notch 12 matched with the clamping block, one side of the clamping block is fixedly connected with an iron block 13, the inner wall of one side of the notch 12 is fixedly connected with a magnet 14, and the iron block 13 corresponds to the magnet 14, after the fixture block is clamped into the inner cavity of the slot 12, the iron block 13 and the magnet 14 attract each other, so as to fix the fixture block in the inner cavity of the slot 12, and further fix the relative position of the first limiting rod 10 and the second limiting rod 11.

Stop device 5 includes two otic placodes 51 and spring steel plate 52, otic placode 51's bottom and joist 6 fixed connection, spring steel plate 52 slides and alternates and sets up between two otic placodes 51, the equal fixedly connected with slide 53 in spring steel plate 52's both ends, seted up on the otic placode 51 with slide 53 matched with spout 54, can cushion spacingly to the position of bumper shock absorber 2 through spring steel plate 52, avoid the too big and production rupture phenomenon of stress between bumper shock absorber 2 and the joist 6.

This practical theory of operation:

during the use, when needs are changed or are maintained with shock attenuation cover 4 follow fore-stock 1 dismantlement down, only need to run counter to rotate and be located first gag lever post 10 in front and second gag lever post 11, make the fixture block break away from out in the inner chamber of fluting 12, there is not mutual appeal between iron plate 13 and the magnetite 14 this moment, just also can not fix the relative position of first gag lever post 10 and second gag lever post 11 again, make first gag lever post 10 and second gag lever post 11 rotate to certain angle after, no longer have the restriction effect back to shock attenuation cover 4's front, alright dismantle the change between fore-stock 1 and the shock attenuation cover 4, moreover, the steam generator is simple in structure, and the operation is convenient for.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an American air suspension shock attenuation bush of commercial car, includes fore-stock (1), bumper shock absorber (2), bears gasbag (3), shock attenuation cover (4), stop device (5), joist (6), half U type bolt (7), trailer axletree (8) and positioner, its characterized in that: the trailer is characterized in that the joist (6) is arranged on one side of the front support (1), the bearing airbag (3) is fixedly connected to one side of the upper surface of the joist (6), the shock absorber (2) is fixedly connected to the other side of the upper surface of the joist (6), the limiting device (5) is arranged on one side of the shock absorber (2), the trailer axle (8) is arranged on one side of the bottom of the joist (6), the semi-U-shaped bolt (7) is sleeved on the outer wall of the trailer axle (8), two ends of the semi-U-shaped bolt (7) are fixedly connected with the lower surface of the joist (6), the shock absorbing sleeve (4) is arranged at the bottom of the front support (1) in an inserting mode, the shock absorbing sleeve (4) is made of polyurethane material, and the two positioning devices are respectively arranged at the tops of the front surface and the back surface of the shock absorbing sleeve (;

positioner comprises first gag lever post (10), second gag lever post (11) and two bull sticks (15), two the one end of bull stick (15) is fixed cup joints with first gag lever post (10) and second gag lever post (11) respectively, the other end and the fore-stock (1) of bull stick (15) rotate to be connected, first gag lever post (10) and second gag lever post (11) rotate with fore-stock (1) through two bull sticks (15) respectively and are connected.

2. The American air suspension shock bushing of claim 1, wherein: the bottom of one side of the first limiting rod (10) is fixedly connected with a clamping block, and the bottom of one side of the second limiting rod (11) is provided with a notch (12) matched with the clamping block.

3. The American air suspension shock bushing of claim 2, wherein: one side of the clamping block is fixedly connected with an iron block (13), the inner wall of one side of the slot (12) is fixedly connected with a magnet (14), and the iron block (13) corresponds to the magnet (14).

4. The American air suspension shock bushing of claim 1, wherein: buffer cavities (9) are symmetrically formed in the damping sleeve (4), and the two buffer cavities (9) are respectively located at the top and the bottom of the damping sleeve (4).

5. The American air suspension shock bushing of claim 1, wherein: stop device (5) include two otic placodes (51) and spring steel plate (52), the bottom and joist (6) fixed connection of otic placode (51), spring steel plate (52) slip interlude sets up between two otic placodes (51).

6. The American air suspension shock bushing of claim 5, wherein: both ends of the spring steel plate (52) are fixedly connected with sliding plates (53), and the ear plates (51) are provided with sliding grooves (54) matched with the sliding plates (53).