CN214057152U

CN214057152U - Automatically controlled suspension device of semitrailer

Info

Publication number: CN214057152U
Application number: CN202023205429.4U
Authority: CN
Inventors: 仇义; 王波; 谈长稳; 周宝芳; 徐勇; 杨秀芳
Original assignee: Yangzhou Polytechnic Institute
Current assignee: Yangzhou Polytechnic Institute
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-08-27
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses an automatically controlled suspension device of semitrailer, concretely relates to suspension field, including the frame, the bottom fixed mounting of frame has spring link rod, and spring link rod's bottom fixed mounting has fixed external member, and the bottom of frame and the top fixed mounting of axle have air spring, and the both ends fixed mounting of mounting panel has the limiting plate, and the inboard sliding connection of slide rail and mounting panel has slide mechanism, one side fixedly connected with coupling spring of slide mechanism. The utility model, through the structural design of the sliding mechanism, the mounting plate and the connecting spring, enables the device to buffer and absorb shock in the horizontal direction to the impact received by the axle when the vehicle moves, and limits the sliding range of the sliding mechanism; through the structural design of the spring connecting rod and the air spring, the device can perform vertical buffering and shock absorption on the impact on the axle when the vehicle moves, the dead weight of the device is reduced while the load is borne, and the installation and maintenance processes of the device are simplified.

Description

Automatically controlled suspension device of semitrailer

Technical Field

The utility model relates to a suspension technical field, more specifically say, the utility model specifically is an automatically controlled suspension device of semitrailer.

Background

The suspension device is an automobile component elastically connected between a frame and wheels, and mainly has the functions of transmitting all forces and moments between the frame and the wheels and buffering the impact of a road surface on the frame in the driving process so as to improve the driving stability of the vehicle, for example, a semitrailer buffer suspension device with the patent number of 201922256873.X has the advantages that through the arrangement mode of matching two sliders, the elastic restoring force of a first spring is utilized to buffer and absorb the force from a lantern ring, and the repulsive force of two magnets is utilized to absorb the extrusion force between the sliders, however, the influence between the components in the structural design is large, if parts on the inner side cannot bear the stress due to aging, the sliders are likely to be separated from a set motion track, so that the whole suspension device is likely to break down, and meanwhile, accidents are likely to happen instantly, and certain potential safety hazards exist, and the structural components are mutually sleeved or fixedly connected, the installation and maintenance process of the device is very complicated and fussy, the maintenance frequency is easily reduced, and the service life of the device is shortened.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the embodiment of the utility model provides an electric control suspension device of a semitrailer, by arranging the spring connecting rod, the air spring, the sliding mechanism, the mounting plate and the connecting spring, and utilizing the first sliding piece sliding on the inner side of the mounting plate, the buffer block provided with the buffer layer, the second sliding piece sliding on the inner side of the axle and the connecting spring connecting the two sliding mechanisms, the device can buffer and damp the impact on the axle in the horizontal direction when the vehicle moves, and limit the sliding range of the sliding mechanism, and the device can perform vertical buffer and shock absorption on the impact on the axle when the vehicle moves by utilizing the spring connecting rod for connecting the vehicle frame and the axle and the air spring which can be disassembled and assembled by operating the controller, the dead weight of the device is reduced while bearing the load, so as to solve the problems in the background technology.

In order to achieve the above object, the utility model provides a following technical scheme: an electric control suspension device of a semitrailer comprises a frame, wherein a spring connecting rod is fixedly mounted at the bottom end of the frame, a fixing kit is fixedly mounted at the bottom end of the spring connecting rod, an axle is fixedly sleeved on the inner side of the fixing kit, a mounting hole is formed in the inner side of the axle, a roller is movably sleeved on the inner side of the mounting hole, an air spring is fixedly mounted at the bottom end of the frame and the top end of the axle, a mounting plate is fixedly mounted at the bottom end of the frame, limiting plates are fixedly mounted at two ends of the mounting plate, a sliding rail is formed in the top end of the axle, a sliding mechanism is slidably connected between the inner side of the sliding rail and the inner side of the mounting plate, and a connecting spring is fixedly connected to one side of the sliding mechanism;

slide mechanism includes the buffer block, the first saddle of top fixedly connected with of buffer block, the bottom fixedly connected with connecting block of buffer block, the bottom fixedly connected with second saddle of connecting block.

Preferably, the inner sides of the two ends of the connecting block are provided with rotating grooves, the two ends of the connecting block are fixedly provided with fixed inner parts, the outer sides of the fixed inner parts are provided with sliding grooves, the inner sides of the sliding grooves are connected with balls in a sliding mode, the second sliding part comprises a rotating sleeve part, the inner side of the rotating sleeve part is provided with a sliding groove matched with the balls, and the top end of the rotating sleeve part is fixedly provided with a rotating end.

Preferably, one side of the first slider is in a quarter arc shape, the bottom end of the limiting plate is in a half arc shape, and a buffer layer is fixedly mounted on the inner side of the first slider.

Preferably, the first slider and the second slider have the same structure and different sizes, and are symmetrically distributed at two ends of the buffer block and the connecting block.

Preferably, the number of the air springs is two, and the two air springs are symmetrically distributed on two sides of the mounting plate.

Preferably, the top of axle has seted up the mounting groove, the mounting groove is T type groove, the inboard fixed mounting in T type groove has the magnetic path, the bottom activity of air spring has cup jointed the electro-magnet, the top of electro-magnet with the inboard fixedly connected with spring of air spring, the input electric connection of electro-magnet has the controller.

The utility model discloses a technological effect and advantage:

the utility model discloses a sliding mechanism, mounting panel and connecting spring's structural design utilize in the gliding first saddle of mounting panel inboard, the buffer block that is equipped with the buffer layer, in the gliding second saddle of axle inboard and connect two sliding mechanism's connecting spring, make the device carry out the buffering shock attenuation on the horizontal direction to the impact that the axle received when the vehicle moves, have restricted sliding mechanism's slip range, have reduced horizontal shock-absorbing mechanism and have broken away from the probability that the movement track caused the trouble in the shock attenuation process of sliding;

the utility model discloses a spring coupling rod and air spring's structural design, the spring coupling rod of utilizing to connect frame and axle and the air spring of accessible operation controller dismouting, the impact that makes the device receive the axle when the vehicle motion carries out the ascending buffering shock attenuation of vertical side, has reduced the dead weight of device when bearing a burden, and has simplified the installation and the maintenance process of device, has prolonged the life of device.

Drawings

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

fig. 2 is a schematic structural view of the sliding mechanism of the present invention;

fig. 3 is a schematic view of the internal structure of the second slider according to the present invention.

The reference signs are:

1. a frame; 2. a spring connecting rod; 3. a fixation kit; 4. an axle; 5. an air spring; 6. a sliding mechanism; 7. mounting a plate; 8. a connecting spring; 41. a roller; 61. a first slider; 62. a buffer block; 63. connecting blocks; 64. a second slider; 71. a limiting plate; 631. a rotating groove; 632. fixing the internal part; 633. a chute; 634. a ball bearing; 641. a rotating sleeve member; 642. and rotating the end head.

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 semitrailer electric control suspension device shown in the attached drawings 1-3 comprises a frame 1, wherein a spring connecting rod 2 is fixedly installed at the bottom end of the frame 1, a fixing sleeve 3 is fixedly installed at the bottom end of the spring connecting rod 2, an axle 4 is fixedly sleeved on the inner side of the fixing sleeve 3, an installation hole is formed in the inner side of the axle 4, a roller 41 is movably sleeved on the inner side of the installation hole, an air spring 5 is fixedly installed at the bottom end of the frame 1 and the top end of the axle 4, an installation plate 7 is fixedly installed at the bottom end of the frame 1, limiting plates 71 are fixedly installed at two ends of the installation plate 7, a sliding rail is arranged at the top end of the axle 4, a sliding mechanism 6 is slidably connected between the inner side of the sliding rail and the inner side of the installation plate 7, and a connecting spring 8 is fixedly connected to one side of the sliding mechanism 6;

the sliding mechanism 6 comprises a buffer block 62, a first slide piece 61 is fixedly connected to the top end of the buffer block 62, a connecting block 63 is fixedly connected to the bottom end of the buffer block 62, and a second slide piece 64 is fixedly connected to the bottom end of the connecting block 63.

As shown in fig. 3, the inner sides of the two ends of the connecting block 63 are provided with rotating grooves 631, the two ends of the connecting block 63 are fixedly provided with fixed inner members 632, the outer sides of the fixed inner members 632 are provided with sliding grooves 633, the inner sides of the sliding grooves 633 are slidably connected with balls 634, the second slider 64 comprises a rotating sleeve member 641, the inner side of the rotating sleeve member 641 is provided with a sliding groove matched with the balls 634, and the top end of the rotating sleeve member 641 is fixedly provided with a rotating end 642;

specifically, the sliding of the balls 634 between the fixed inner member 632 and the rotating sleeve 641 enables the second slider 64 to slide on the inner side of the sliding rail without departing from the connecting block 63, so as to limit the sliding range of the sliding mechanism 6, and reduce the probability of failure caused by the horizontal damping mechanism deviating from the movement track during the sliding damping process.

As shown in fig. 1, one side of the first slider 61 is in a quarter arc shape, the bottom end of the stopper plate 71 is in a half arc shape, and a buffer layer is fixedly mounted on the inner side of the first slider 61;

specifically, the first slider 61, the stopper plate 71 and the buffer layer are arranged, so that when the sliding mechanism 6 slides to the two sides, the stopper plate 71 limits the sliding range of the sliding mechanism 6, and the buffer layer reduces friction between the first slider 61 and the stopper plate 71, thereby prolonging the service life of the device.

As shown in fig. 1, the first slider 61 and the second slider 64 have the same structure and different sizes, and the first slider 61 and the second slider 64 are symmetrically distributed at two ends of the buffer block 62 and the connecting block 63;

specifically, the first slider 61 and the second slider 64 are provided so that both ends of the slide mechanism 6 can slide on the inner sides of the mounting plate 7 and the axle 4, thereby cushioning the impact between the frame 1 and the axle 4 in the horizontal direction during the driving of the vehicle.

As shown in fig. 1, the number of the air springs 5 is two, and the two air springs 5 are symmetrically distributed on two sides of the mounting plate 7;

specifically, the arrangement of the air spring 5 enables the device to reduce the self weight, maintains the dynamic stability of the frame 1 and the axle 4 in the vertical direction, and improves the stability of the device.

The top end of the axle 4 is provided with a mounting groove which is a T-shaped groove, the inner side of the T-shaped groove is fixedly provided with a magnetic block, the bottom end of the air spring 5 is movably sleeved with an electromagnet, the top end of the electromagnet and the inner side of the air spring 5 are fixedly connected with a spring, and the input end of the electromagnet is electrically connected with a controller;

specifically, the installation groove, the magnetic block, the electromagnet and the spring are arranged, so that the air spring 5 can be disassembled and assembled through the operation controller, the installation and maintenance processes of the device are simplified, and the service life of the device is prolonged.

The utility model discloses the theory of operation:

the utility model discloses a sliding mechanism 6, mounting panel 7 and connecting spring 8's structural design utilize in the gliding first saddle 61 of mounting panel 7 inboard, the buffer block 62 that is equipped with the buffer layer, in the gliding second saddle 64 of axle 4 inboard and connect two sliding mechanism 6's connecting spring 8, make the device carry out the buffering shock attenuation on the horizontal direction to the impact that axle 4 received when the vehicle moves, have restricted sliding mechanism 6's slip scope, have reduced horizontal shock absorption mechanism and break away from the probability that the movement track caused the trouble in the shock attenuation process of sliding;

the utility model discloses a spring coupling rod 2 and air spring 5's structural design, the spring coupling rod 2 that utilizes to connect frame 1 and axle 4 and the air spring 5 of accessible operation controller dismouting, the impact that makes the device receive axle 4 when the vehicle motion carries out the ascending buffering shock attenuation of vertical side, has reduced the dead weight of device when bearing a burden, and has simplified the installation and the maintenance process of device, has prolonged the life of device.

The points to be finally explained are: in the description of the present application, it is noted that unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, as meaning either a mechanical or electrical connection, or a communication between two elements, either directly,

"upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationships may change;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automatically controlled suspension device of semitrailer, includes frame (1), its characterized in that, the bottom fixed mounting of frame (1) has spring connecting rod (2), the bottom fixed mounting of spring connecting rod (2) has fixed external member (3), the inboard fixed axle (4) of fixed external member (3) have been cup jointed, the mounting hole has been seted up to the inboard of axle (4), gyro wheel (41) have been cup jointed in the inboard activity of mounting hole, the bottom of frame (1) with the top fixed mounting of axle (4) has air spring (5), the bottom fixed mounting of frame (1) has mounting panel (7), the both ends fixed mounting of mounting panel (7) has limiting plate (71), the top of axle (4) has been seted up the slide rail, the inboard of slide rail with the inboard sliding connection of mounting panel (7) has slide mechanism (6), one side of the sliding mechanism (6) is fixedly connected with a connecting spring (8);

slide mechanism (6) are including buffer block (62), the first saddle (61) of top fixedly connected with of buffer block (62), the bottom fixedly connected with connecting block (63) of buffer block (62), the bottom fixedly connected with second saddle (64) of connecting block (63).

2. The electronically controlled suspension device for a semitrailer according to claim 1, characterized in that the inner sides of the two ends of the connecting block (63) are provided with rotating grooves (631), the two ends of the connecting block (63) are fixedly provided with fixed inner members (632), the outer side of each fixed inner member (632) is provided with a sliding groove (633), the inner side of each sliding groove (633) is slidably connected with a ball (634), the second slider (64) comprises a rotating sleeve member (641), the inner side of each rotating sleeve member (641) is provided with a sliding groove matched with the corresponding ball (634), and the top end of each rotating sleeve member (641) is fixedly provided with a rotating end (642).

3. An electrically controlled suspension device for semitrailers according to claim 1, characterized in that one side of said first slider (61) is in the shape of a quarter arc, the bottom end of said retainer plate (71) is in the shape of a half arc, and a buffer layer is fixedly mounted on the inner side of said first slider (61).

4. Electronically controlled suspension device for semitrailers according to claim 1, characterized in that said first and second sliders (61, 64) are identical in structure and different in size, said first and second sliders (61, 64) being symmetrically distributed at both ends of said buffer block (62) and connecting block (63).

5. An electrically controlled suspension device for a semitrailer according to claim 1, characterized in that the number of said air springs (5) is two, and two of said air springs (5) are symmetrically distributed on both sides of said mounting plate (7).

6. The semitrailer electrically controlled suspension device according to claim 1, characterized in that a mounting groove is formed at the top end of the axle (4), the mounting groove is a T-shaped groove, a magnet is fixedly mounted on the inner side of the T-shaped groove, an electromagnet is movably sleeved at the bottom end of the air spring (5), a spring is fixedly connected between the top end of the electromagnet and the inner side of the air spring (5), and the input end of the electromagnet is electrically connected with a controller.