CN212765554U

CN212765554U - Semitrailer suspension axle system

Info

Publication number: CN212765554U
Application number: CN202021631648.6U
Authority: CN
Inventors: 茆建华; 仲新光; 顾品东
Original assignee: LIANYUNGANG HUAYANG MACHINERY MANUFACTURING CO LTD
Current assignee: LIANYUNGANG HUAYANG MACHINERY MANUFACTURING CO LTD
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-03-23
Anticipated expiration: 2030-08-07

Abstract

The utility model discloses a semitrailer suspension axle system, which belongs to the technical field of automobile axles, and comprises an axle body, wherein the axle body is connected with a wheel hub through a steering knuckle arm in a transmission way, the wheel hub is fixedly connected onto the steering knuckle arm through a rotating block, the rotating block is fixedly connected with a bearing block, the top of the bearing block is rotatably connected with a shell, the inner side wall of the shell is slidably connected with a box body, the bottom of the box body is rotatably connected with a rotating shaft, the rotating shaft is rotatably connected with two connecting rods, one ends of the two connecting rods, which are far away from the rotating shaft, are elastically connected through a tension spring, and one ends of the connecting rods, which are far; the bottom of the plate spring and the inner side wall of the shell are fixedly connected to effectively reduce vibration of the box body, so that articles in the box body are not easily interfered by external environment to generate vibration, the articles are protected, and the slider is utilized to enable the slider to be pressed out of the notch when the whole device is overweight so as to remind that the device is overloaded.

Description

Semitrailer suspension axle system

Technical Field

The utility model belongs to the technical field of the car axle, concretely relates to semitrailer hangs axle system.

Background

The semitrailer is a trailer which is provided with an axle behind the gravity center of the vehicle when the vehicle is uniformly loaded and a coupling device capable of transmitting horizontal and vertical forces to the tractor, and the semitrailer is generally a three-axle semitrailer, is divided into eleven-meter-bin-column semitrailer, thirteen-meter-bin-column semitrailer, low-bed semitrailer and the like, and is a heavy transportation vehicle connected with the head of the semitrailer through a traction pin.

At present, common semitrailer axle is only simple year thing, bears the weight of the goods, can't detect whether the goods is overloaded, have or not potential safety hazard, and the semitrailer is difficult to keep turning to with the tractor simultaneously for turn to inconvenience, have certain drawback.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a semitrailer hangs axle system 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 utility model provides a semitrailer hangs axle system, includes the axle body, the axle body is connected with wheel hub through knuckle arm transmission, and wheel hub passes through the turning block rigid coupling on the knuckle arm, the rigid coupling has the piece that holds on the turning block, the top of holding the piece is rotated and is connected with the casing, lateral wall sliding connection has the box in the casing, and the bottom of box rotates and is connected with the pivot, the pivot is rotated and is connected with two connecting rods, and two connecting rods keep away from the one end of pivot and pass through tension spring elastic connection, the one end that the pivot was kept away from to the connecting rod still rotates and is connected with the bull stick, and the other end of bull stick rotates and connects on the slider, slider sliding connection is on leaf spring, and the leaf spring rigid coupling is on the inside wall of casing, leaf spring.

As a preferred embodiment, the rigid coupling has the pull rod frame on the knuckle arm, and inlays on the pull rod frame and be equipped with solid fixed ring, gu fixed ring's quantity is the twice of axle body quantity, and set up threaded hole on the solid fixed ring's at casing bottom both ends inside wall, and gu sliding connection has the synchronizing bar in the fixed ring.

As a preferred embodiment, one end of the synchronizing rod, which is located at the fixing ring, is attached to one end of the two fastening rods, the ends of the two fastening rods are elastically connected through a thrust spring, and the two fastening rods are hinged through a hinge.

As a preferred embodiment, the fastening rod is hinged on the movable block through a hinge, and one end of the movable block, which is far away from the synchronizing rod, is attached to a bolt, and the bolt is in threaded connection with the top of the fixing ring.

As a preferred embodiment, a connecting ring is fixedly connected to one side of the housing, and a hook is hooked on the connecting ring.

In a preferred embodiment, the bottom of the housing is rotatably connected to a plurality of receiving blocks.

Compared with the prior art, the utility model provides a car axle includes following beneficial effect at least:

(1) the bottom of the plate spring is fixedly connected with the inner side wall of the shell, so that the vibration of the box body can be effectively reduced, the articles in the box body are not easily interfered by the external environment to generate vibration, the articles are protected, and the sliding block is used for pressing out the notch when the integral device is overweight so as to remind that the device is overloaded;

(2) through bolt threaded connection at solid fixed ring's top for the bolt can extrude the anchorage bar, through the anchorage bar, when the bolt sticiss the anchorage bar, the anchorage bar pressurized and solid fixed ring's inside wall laminating, make the position of synchronizing bar can be locked, overall structure remain stable be difficult to not hard up produce danger.

Drawings

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

fig. 2 is a schematic structural view of the fixing ring of the present invention;

fig. 3 is a schematic structural diagram of the housing of the present invention.

In the figure: 1. a bridge body; 2. a knuckle arm; 3. a hub; 4. rotating the block; 5. a bearing block; 6. a housing; 7. a box body; 8. a rotating shaft; 9. a connecting rod; 10. a tension spring; 11. a rotating rod; 12. a slider; 13. a notch; 14. a plate spring; 15. a lever frame; 16. a fixing ring; 17. a threaded hole; 18. a synchronization lever; 19. a fastening rod; 20. a thrust spring; 21. a hinge; 22. a movable block; 23. a bolt; 24. a connecting ring; 25. and (4) hanging hooks.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-3, the utility model provides a semitrailer suspension axle system, including axle body 1, axle body 1 is connected with wheel hub 3 through knuckle arm 2 transmission, and wheel hub 3 is through turning 4 rigid coupling on knuckle arm 2, the rigid coupling has tie rod holder 15 on knuckle arm 2, and inlay on tie rod holder 15 and be equipped with solid fixed ring 16, the quantity of solid fixed ring 16 is twice of axle body 1 quantity, and set up threaded hole 17 on the inside wall of the solid fixed ring 16 at the bottom both ends of casing 6, and the sliding connection has synchronizing bar 18 in the solid fixed ring 16 (see fig. 1 and fig. 2); each axle can be connected with a traction wheel through the fixing ring 16 and the synchronizing rod 18, so that the steering of each axle is consistent with that of the traction wheel, and the steering of the semitrailer and the steering of the tractor are kept to be the same, so that the steering is convenient.

One end of the synchronous rod 18, which is positioned on the fixed ring 16, is attached to one end of two fastening rods 19, the ends of the two fastening rods 19 are elastically connected through a thrust spring 20, and the two fastening rods 19 are hinged through a hinge 21 (see fig. 2); when the synchronous rod 18 is loosened through the fastening rod 19, the fastening rod 19 extrudes the synchronous rod 18 under the action of the thrust spring 20, so that the synchronous rod 18 is tightly connected in the fixing ring 16, the whole structure is kept stable, and the danger is generated because the whole structure is not easy to loosen.

The fastening rod 19 is hinged on the movable block 22 through a hinge 21, one end of the movable block 22, which is far away from the synchronous rod 18, is attached to a bolt 23, and the bolt 23 is in threaded connection with the top of the fixed ring 16 (see fig. 2); through bolt 23 threaded connection at the top of solid fixed ring 16 for bolt 23 can extrude anchorage bar 19, and through anchorage bar 19, when bolt 23 sticiss anchorage bar 19, anchorage bar 19 pressurized and solid fixed ring 16's inside wall laminating makes the position of synchronizing bar 18 can be locked, and overall structure remains stable and is difficult to not hard up and produce danger.

A bearing block 5 is fixedly connected to the rotating block 4, the top of the bearing block 5 is rotatably connected with a shell 6, the inner side wall of the shell 6 is slidably connected with a box body 7, a connecting ring 24 is fixedly connected to one side of the shell 6, and a hook 25 is hooked on the connecting ring 24 (see fig. 3); through go-between 24, collude on the go-between 24 and be equipped with couple 25 for the overall device can with drive mechanism high-speed joint, need not utilize complicated device to install, makes the semitrailer can adapt to each different draw gear fast, and the suitability is stronger.

The bottom of the shell 6 is rotatably connected with a plurality of bearing blocks 5 (see figure 3); the bottom through casing 6 rotates with a plurality of piece 5 that hold and is connected, holds piece 5 and rotates with wheel hub 3 through changeing piece 4 again and be connected for casing 6 is accepted by a plurality of piece 5 that hold, reduces each and holds the atress of piece 5, makes the whole mechanism atress more even.

The bottom of the box body 7 is rotatably connected with a rotating shaft 8, the rotating shaft 8 is rotatably connected with two connecting rods 9, one ends of the two connecting rods 9, far away from the rotating shaft 8, are elastically connected through tension springs 10, one ends of the connecting rods 9, far away from the rotating shaft 8, are also rotatably connected with rotating rods 11, the other ends of the rotating rods 11 are rotatably connected onto sliding blocks 12, the sliding blocks 12 are slidably connected onto plate springs 14, the plate springs 14 are fixedly connected onto the inner side wall of the shell 6, and the bottoms of the plate springs 14 are fixedly connected with the bridge body 1 (see fig. 1); the vibration of the box body 7 can be effectively reduced through the bottom of the plate spring 14 and the inner side wall fixedly connected with the shell 6, so that the articles in the box body 7 are not easily interfered by the external environment to generate vibration, the articles are protected favorably, and the sliding block 12 is utilized to enable the sliding block 12 to be pressed out of the notch 13 you when the whole device is too heavy, so that the overload of the device is reminded.

When the device is used, the whole structure is assembled, the synchronizing rod 18 is inserted into the fixing ring 16, each axle can be connected with the traction wheel through the fixing ring 16 and the synchronizing rod 18, the steering of each axle is consistent with the traction wheel, the same steering is kept through the steering of the semitrailer and the tractor, the steering is convenient, two ends of the synchronizing rod 18 are limited in the fixing ring 16 through the bolts 23, the bolts 23 are connected to the top of the fixing ring 16 in a threaded mode, the fastening rods 19 can be extruded by the bolts 23, when the fastening rods 19 are tightly pressed by the bolts 23, the fastening rods 19 are pressed to be attached to the inner side wall of the fixing ring 16, the position of the synchronizing rod 18 can be locked, the whole structure is kept stable and is not easy to loosen to generate danger, the stress of a single shell 6 is reduced, the integral bearing weight is increased, the bottom of the shell 6 is rotatably connected with the bearing blocks 5, the bearing block 5 is rotationally connected with the hub 3 through the rotating block 4, so that the shell 6 is borne by a plurality of bearing blocks 5, the stress of each bearing block 5 is reduced, the stress of the whole mechanism is more uniform, one end far away from the rotating shaft 8 by the connecting rod 9 is further rotationally connected with the rotating rod 11, the other end of the rotating rod 11 is rotationally connected onto the sliding block 12, the sliding block 12 is slidably connected onto the plate spring 14, the plate spring 14 is fixedly connected onto the inner side wall of the shell 6, the bottom of the plate spring 14 is fixedly connected with the bridge body 1, the vibration of the box 7 can be effectively reduced through the bottom of the plate spring 14 and the inner side wall fixedly connected with the shell 6, the articles in the box 7 are not easily interfered by the external environment to generate vibration, and the article protection is facilitated.

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

1. A semitrailer suspension axle system comprises an axle body (1), and is characterized in that: the axle body (1) is connected with a wheel hub (3) through a knuckle arm (2) in a transmission manner, the wheel hub (3) is fixedly connected onto the knuckle arm (2) through a rotating block (4), a bearing block (5) is fixedly connected onto the rotating block (4), the top of the bearing block (5) is rotatably connected with a shell (6), the inner side wall of the shell (6) is slidably connected with a box body (7), the bottom of the box body (7) is rotatably connected with a rotating shaft (8), the rotating shaft (8) is rotatably connected with two connecting rods (9), one ends, far away from the rotating shaft (8), of the two connecting rods (9) are elastically connected through tension springs (10), one end, far away from the rotating shaft (8), of each connecting rod (9) is further rotatably connected with a rotating rod (11), the other end of each rotating rod (11) is rotatably connected onto a sliding block (12), the sliding block (12) is slidably connected onto a plate spring (14), and the plate spring (14) is fixedly connected onto the, the bottom of the plate spring (14) is fixedly connected with the bridge body (1).

2. The semitrailer suspension axle system of claim 1, wherein: the rigid coupling has pull rod frame (15) on knuckle arm (2), and inlays on pull rod frame (15) and be equipped with solid fixed ring (16), the quantity of solid fixed ring (16) is the twice of axle body (1) quantity, and sets up threaded hole (17) on the inside wall of solid fixed ring (16) at casing (6) bottom both ends, and gu sliding connection has synchronizing bar (18) in fixed ring (16).

3. A semitrailer suspended axle system according to claim 2, characterised in that: the synchronous rod (18) is located one end of the fixed ring (16) and is attached to one end of the two fastening rods (19), the end portions of the two fastening rods (19) are elastically connected through a thrust spring (20), and the two fastening rods (19) are hinged through a hinge (21).

4. A semitrailer suspended axle system according to claim 3, characterised in that: the fastening rod (19) is hinged to the movable block (22) through a hinge (21), one end, far away from the synchronous rod (18), of the movable block (22) is attached to a bolt (23), and the bolt (23) is in threaded connection with the top of the fixing ring (16).

5. The semitrailer suspension axle system of claim 1, wherein: one side rigid coupling of casing (6) has go up the couple ring (24), and colludes on the couple ring (24) and is equipped with couple (25).

6. The semitrailer suspension axle system of claim 1, wherein: the bottom of the shell (6) is rotatably connected with the plurality of bearing blocks (5).