CN217146208U

CN217146208U - Dual-mode trailer

Info

Publication number: CN217146208U
Application number: CN202221141092.1U
Authority: CN
Inventors: 覃艳明; 郭欣; 王向南; 马广杰; 奚云鹏; 孟庆友; 刘锋; 李通阳; 刘沙沙; 汪睿超
Original assignee: Qinhuangdao Youyi Chuanglian Special Vehicle Manufacturing Co ltd
Current assignee: Qinhuangdao Youyi Chuanglian Special Vehicle Manufacturing Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-08-09
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses a dual-mode trailer, which comprises a traction vehicle head, a frame, and a hydraulic suspension wheel set, an air suspension wheel set, a steering system, hydraulic support legs, a power cabin, an electric control cabinet, an air storage tank and a storage battery which are arranged at the bottom of the frame, wherein the traction vehicle head is arranged at the front end of the dual-mode trailer; the power cabin, the electric control cabinet, the storage battery and the air storage tank are arranged between the hydraulic suspension wheel set and the air suspension wheel set. The utility model provides a double mode trailer can enough be by drawing the locomotive and draw the walking, can break away from again and draw the locomotive to rely on self mechanism to bear to realize operating modes such as low-speed walking, certain limit turn to.

Description

Dual-mode trailer

Technical Field

The utility model relates to a trailer technical field especially relates to a double mode trailer.

Background

Along with the development of science and technology, the trailer chassis can satisfy various highway walkings under the traction of traction locomotive, but does not allow traction locomotive to drive into at some special factory buildings, the goods of loading and unloading trailer transportation that are not convenient for swift, consequently, need improve the trailer to improve the practicality of trailer in the special place.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a double mode trailer can enough be by drawing the locomotive and pull the walking, can break away from again and pull the locomotive and rely on self mechanism to bear to realize operating modes such as low-speed walking, certain limit turn to.

In order to achieve the above object, the utility model provides a following scheme:

a dual mode trailer comprising: the double-mode trailer comprises a traction headstock, a frame, and a hydraulic suspension wheel set, an air suspension wheel set, a steering system, hydraulic support legs, a power cabin, an electric control cabinet, an air storage tank and a storage battery which are arranged at the bottom of the frame, wherein the traction headstock is arranged at the front end of the double-mode trailer, the frame is detachably connected at the rear end of the traction headstock, a plurality of hydraulic suspension wheel sets are arranged at the front part of the frame side by side, a plurality of air suspension wheel sets are arranged at the rear part of the frame side by side, the steering system is arranged on the hydraulic suspension wheel sets, and six hydraulic support legs are respectively arranged at the front left position, the middle position, the rear position, the front right position, the middle position and the rear position of the frame; the power cabin, the electric control cabinet, the storage battery and the air storage tank are arranged between the hydraulic suspension wheel set and the air suspension wheel set.

Furthermore, the power cabin is arranged on the left side in the middle of the frame, the electric control cabinet is arranged on the right side in the middle of the frame, the gas storage tank is arranged between the left hydraulic support leg and the right hydraulic support leg in the middle, and the storage battery is arranged beside the electric control cabinet.

Furthermore, the hydraulic suspension wheel sets are provided with two groups, and the air suspension wheel sets are provided with three groups.

Further, the air suspension wheel set comprises a tire, a rim and an air suspension, the air suspension is connected with the tire and the rim to form a bearing structure, and the air suspension is connected with the frame.

Furthermore, the hydraulic suspension wheel set comprises a hydraulic suspension frame, a suspension oil cylinder, a spoke type solid tire, a motor and a speed reducer, the upper end of the hydraulic suspension frame is connected to the frame through a rotary bearing, the two sides of the lower end of the hydraulic suspension frame are connected with the motor, the spoke type solid tire is connected with the speed reducer, the speed reducer is connected with the motor, one end of the suspension oil cylinder is connected with the frame, and the other end of the suspension oil cylinder is connected with the hydraulic suspension frame.

Furthermore, the steering system comprises a slewing bearing, a steering oil cylinder and a connecting rod mechanism, the hydraulic suspension wheel set is connected with the frame through the slewing bearing, and the hydraulic suspension frame is connected with the inner ring of the slewing bearing through a connecting plate by using a bolt; the link mechanism is arranged between two wheels of the hydraulic suspension wheel set, and the steering oil cylinder stretches and retracts to drive the wheels connected with the hydraulic suspension wheel set to steer.

Furthermore, the frame is of a steel plate welding structure and is connected with the traction vehicle head through a traction pin.

Furthermore, the air storage tanks are arranged side by side, and provide power for the air suspension wheel set.

According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect: the utility model provides a dual mode trailer, on the one hand, when adopting the traction locomotive to pull away, through receiving the suspension hydro-cylinder, rise the hydraulic suspension wheelset, disconnect control system, there is the triaxial line air suspension wheelset at the trailer tail end, and the frame front end is connected with the traction locomotive to realize that the trailer pulls away in various road conditions; on the other hand, the frame is separated from the traction head and can be driven by the hydraulic suspension wheel set to automatically travel, and the steering of the trailer can be realized by controlling the steering of the hydraulic suspension wheel set through the telescopic control of the steering oil cylinder, so that the mode that the original trailer only travels by the traction head is changed; the utility model is provided with the power cabin which can provide power for the hydraulic suspension wheel set driving system and the oil cylinder; the electric cabinet is arranged and can control the power cabin; the storage battery is arranged and can provide power for the electric control box; the utility model discloses all install in frame bottom space, make whole device design compact structure, occupation space is little, better satisfying the operation requirement.

To sum up, the utility model provides a trailer break away from the problem that the traction vehicle head can not walk, adopt hydraulic pressure suspension wheelset to make the trailer walk by oneself, turn to, be fit for being used for various special factory buildings that do not allow the traction vehicle head to get into.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a front view of the dual mode trailer for towing and walking;

fig. 2 is a top view of the dual-mode trailer for towing and walking;

FIG. 3 is a front view of the dual-mode trailer of the present invention;

FIG. 4 is a schematic structural view of the air suspension wheel set of the present invention;

FIG. 5 is a cross-sectional view of the dual mode trailer of FIG. 2 according to the present invention;

fig. 6a is a side view of a hydraulic hitch set of the present invention;

fig. 6b is a front view of the hydraulic suspension wheel set of the present invention;

fig. 7 is a schematic structural view of the steering system of the present invention;

reference numerals: 1. towing the locomotive; 2. a frame; 3. a hydraulic suspension wheel set; 301. a hydraulic suspension bracket; 302. Suspending the oil cylinder; 303. a spoke-type solid tire; 304. a motor; 305. a speed reducer; 4. an air suspension wheel set; 401. a tire; 402. a rim; 403. air suspension; 5. a steering system; 501. a slew bearing; 502. a steering cylinder; 503. a link mechanism; 6. a hydraulic leg; 7. a power compartment; 8. an electric control cabinet; 9. a gas storage tank; 10. and (4) a storage battery.

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.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1 and fig. 2, the dual-mode trailer provided by the embodiment of the present invention includes a traction vehicle head 1, a vehicle frame 2, and a hydraulic suspension wheel set 3, an air suspension wheel set 4, a steering system 5, hydraulic legs 6, a power cabin 7, an electric control cabinet 8, an air storage tank 9, and a storage battery 10, which are arranged at the bottom of the vehicle frame 2, wherein the traction vehicle head 1 is arranged at the front end of the dual-mode trailer, the vehicle frame 2 is detachably connected to the rear end of the traction vehicle head 1, a plurality of hydraulic suspension wheel sets 3 are arranged side by side at the front part of the vehicle frame 2, a plurality of air suspension wheel sets 4 are arranged side by side at the rear part of the vehicle frame 2, the steering system 5 is arranged on the hydraulic suspension wheel sets 3, and six hydraulic legs 6 are respectively arranged at six positions of the front left, middle, rear, right front, middle, and rear of the vehicle frame 2; the power cabin 7, the electric control cabinet 8, the storage battery 10 and the air storage tank 9 are arranged between the hydraulic suspension wheel set 3 and the air suspension wheel set 4. Specifically, the power cabin 7 is arranged on the left side in the middle of the frame 2 and fixed on a bottom plate of the frame 2, the electric control cabinet 8 is arranged on the right side in the middle of the frame 2, the gas storage tank 9 is arranged between the left hydraulic support leg 6 and the right hydraulic support leg 6 in the middle, the storage battery 10 is arranged beside the electric control cabinet 8, and a controller is arranged in the electric control cabinet 8 and electrically connected with the hydraulic suspension wheel set 3.

Two groups of hydraulic suspension wheel sets 3 are arranged on the front two axes of the dual-mode trailer; firstly, improve double mode trailer bearing capacity, firstly improve double mode trailer and from power when walking. Different numbers can be set according to actual requirements.

The air suspension wheel set 4 is provided with three groups which are arranged on the rear three axes of the trailer. Firstly, improve double mode trailer bearing capacity, firstly improve double mode trailer brake ability. Different numbers can be set according to actual requirements.

As shown in fig. 4, the air suspension wheel set 4 comprises a tire 401, a rim 402 and an air suspension 403, the air suspension 403 is connected with the tire 401 and the rim 402 to form a load-bearing structure, and the air suspension 403 is connected with the frame 2. The air suspension wheel set 4 can bear and walk when the trailer is pulled to walk and the trailer is self-walking.

As shown in fig. 5 and 6, the hydraulic suspension wheel set 3 includes a hydraulic suspension frame 301, a suspension cylinder 302, a spoke type solid tire 303, a motor 304, and a speed reducer 305, wherein the upper end of the hydraulic suspension frame 301 is connected to the frame 2 through a rotary bearing 501, both sides of the lower end of the hydraulic suspension frame 301 are connected to the motor 304, the spoke type solid tire 303 is connected to the speed reducer 305, the speed reducer 305 is connected to the motor 304, one end of the suspension cylinder 302 is connected to the frame 2, and the other end is connected to the hydraulic suspension frame 301. The telescopic suspension oil cylinder 302 can realize the lifting of the hydraulic suspension wheel set 3, and when the trailer is dragged by the traction headstock 1 to walk, the distance between the hydraulic suspension wheel set 3 and the ground is not less than 200mm, so that the traction walking is met; when the tractor is separated from the traction of the traction headstock 1, the hydraulic suspension wheel set 3 is enabled to support the ground, and the driving system 304 drives the wheels to walk by itself, as shown in fig. 3.

As shown in fig. 7, the steering system 5 includes a rotary bearing 501, a steering cylinder 502, and a link mechanism 503, the hydraulic suspension wheel set 3 and the frame 2 are connected by the rotary bearing 501 to realize steering during self-walking, and the hydraulic suspension bracket 301 is connected by a bolt with an inner ring of the rotary bearing 501 through a connecting plate; the link mechanism 503 is arranged between two wheels of the hydraulic suspension wheel set 3, and the steering oil cylinder 502 stretches and retracts to drive the wheels connected with the hydraulic suspension wheel set 3 to steer.

The frame 2 is of a steel plate welding structure, and the frame 2 is connected with the traction vehicle head 1 through a traction pin.

The power pod 7 provides fuel power for the motor 304 system.

The motor 304 powers a speed reducer 305.

The air storage tanks 9 are arranged in parallel, and the air storage tanks 9 provide power for the air suspension wheel sets 4. The storage battery 10 provides power for the electric control cabinet 8 during self-walking.

The utility model provides a working process of double mode trailer as follows:

when the dual-mode trailer is towed to travel by the towing head 1, the hydraulic suspension wheel set 3 is lifted through the suspension oil collecting cylinder 302, the control system is disconnected, the tail end of the trailer is provided with the three-axis air suspension wheel set 4 for bearing, and the front end of the frame 2 is connected with the towing head 1 through the towing pin, so that the towing travel of the trailer under various road conditions is realized.

When the trailer needs to walk by oneself, hydraulic leg 6 stretches out the support, extracts the frame front end towing pin, draws locomotive 1 and rolls off by oneself, stretches out through suspension cylinder 302 and makes hydraulic suspension wheelset 3 support, receives hydraulic leg 6 and makes it liftoff, controls electric cabinet 8 and drives hydraulic suspension wheelset 3 and walks by oneself, and electric cabinet 8 control turns to the flexible synchronous realization trailer self-steering of hydro-cylinder 502 when needing to turn to.

The utility model provides a double mode trailer has changed the mode that leans on the traction locomotive to pull the walking of trailer chassis simple, breaks away from and pulls the locomotive, adopts hydraulic pressure to hang the wheelset and supports, and wherein hydraulic pressure hangs the wheelset from taking actuating system to bear when realizing the self-propelled state, drive. The utility model discloses can rely on a steering system to realize turning to of certain limit after breaking away from and pull the locomotive.

The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. A dual mode trailer, comprising: the double-mode trailer comprises a traction vehicle head (1), a vehicle frame (2), and hydraulic suspension wheel sets (3), air suspension wheel sets (4), a steering system (5), hydraulic support legs (6), a power cabin (7), an electric control cabinet (8), an air storage tank (9) and a storage battery (10) which are arranged at the bottom of the vehicle frame (2), wherein the traction vehicle head (1) is arranged at the front end of the double-mode trailer, the vehicle frame (2) is detachably connected to the rear end of the traction vehicle head (1), the hydraulic suspension wheel sets (3) are arranged at the front part of the vehicle frame (2) side by side, the air suspension wheel sets (4) are arranged at the rear part of the vehicle frame (2) side by side, the steering system (5) is arranged on the hydraulic suspension wheel sets (3), and the hydraulic support legs (6) are respectively arranged at the front left side, the middle, the rear side, the front right side, the middle side and the left side of the vehicle frame (2), The last six positions; the power cabin (7), the electric control cabinet (8), the storage battery (10) and the air storage tank (9) are arranged between the hydraulic suspension wheel set (3) and the air suspension wheel set (4).

2. The dual-mode trailer according to claim 1, wherein the power compartment (7) is arranged on the left side of the middle of the frame (2), the electric control cabinet (8) is arranged on the right side of the middle of the frame (2), the air storage tank (9) is arranged between the left hydraulic leg and the right hydraulic leg (6) in the middle, the storage battery (10) is arranged beside the electric control cabinet (8), and the storage battery (10) is used for providing power for the electric control cabinet (8).

3. A dual mode trailer according to claim 1, wherein there are two sets of hydraulic suspension wheelsets (3) and three sets of air suspension wheelsets (4).

4. The dual mode trailer according to claim 1, wherein the air suspension wheel set (4) comprises a tire (401), a rim (402), an air suspension (403), the air suspension (403) is connected with the tire (401) and the rim (402) to form a load bearing structure, and the air suspension (403) is connected with the vehicle frame (2).

5. The dual-mode trailer according to claim 1, wherein the hydraulic suspension wheel set (3) comprises a hydraulic suspension frame (301), a suspension cylinder (302), a spoke type solid tire (303), a motor (304) and a speed reducer (305), the upper end of the hydraulic suspension frame (301) is connected to the frame (2) through a slewing bearing (501), both sides of the lower end of the hydraulic suspension frame are connected with the motor (304), the spoke type solid tire (303) is connected with the speed reducer (305), the speed reducer (305) is connected with the motor (304), one end of the suspension cylinder (302) is connected with the frame (2), and the other end of the suspension cylinder is connected with the hydraulic suspension frame (301).

6. The dual-mode trailer according to claim 5, wherein the steering system (5) comprises a slewing bearing (501), a steering cylinder (502) and a link mechanism (503), the hydraulic suspension wheel set (3) and the frame (2) are connected through the slewing bearing (501), and the hydraulic suspension frame (301) is connected with an inner ring of the slewing bearing (501) through a connecting plate by a bolt; the link mechanism (503) is arranged between two wheels of the hydraulic suspension wheel set (3), and the steering oil cylinder (502) stretches and retracts to drive the wheels connected with the hydraulic suspension wheel set (3) to steer.

7. A dual mode trailer according to claim 1, wherein the frame (2) is a welded steel structure, the frame (2) being connected to the tractor head (1) by means of a towing pin.

8. A dual mode trailer according to claim 1, wherein two air tanks (9) are provided side by side, the air tanks (9) powering the air suspension wheelsets (4).