CN223315106U

CN223315106U - Combined semi-trailer train

Info

Publication number: CN223315106U
Application number: CN202422928571.3U
Authority: CN
Inventors: 连备德; 马键; 张利萍; 邓体强
Original assignee: Luoyang Kailan Machinery Manufacturing Co ltd
Current assignee: Luoyang Kailan Machinery Manufacturing Co ltd
Priority date: 2024-11-29
Filing date: 2024-11-29
Publication date: 2025-09-09
Anticipated expiration: 2034-11-29

Abstract

The present application relates to the technical field of transfer equipment for super-large construction machinery, specifically a combined semi-trailer train, including an intermediate main trailer, a front load-bearing trailer and a rear load-bearing trailer; the left end of the intermediate main trailer is detachably connected to the front load-bearing trailer, and the right end of the intermediate main trailer is detachably connected to the rear load-bearing trailer; the intermediate main trailer includes a main frame, a traction head is provided at the left end of the main frame, a load-bearing platform is provided at the right end of the main frame, a traction pin is provided at the left end of the lower surface of the traction head, and a hanging rack is provided at the right end of the lower surface of the load-bearing platform; a combined semi-trailer train can flexibly change the vehicle combination according to demand to adapt to different transportation needs. The train can combine various types of trailers, increase the trailer length and the number of axles, thereby reducing the axle load. It is particularly suitable for transporting super-large construction machinery and equipment, improves transportation efficiency, has a small turning radius, good controllability, and is convenient for the driver to operate.

Description

Combined semi-trailer train

Technical Field

The application relates to the technical field of ultra-large construction machinery transfer equipment, in particular to a combined semi-trailer train.

Background

The transition transportation of the ultra-large construction machinery in places such as mining and large building sites needs to be realized by means of a semitrailer, and the semitrailer in the current market is fixed in length and width design and cannot be adjusted in the later period. This results in the need to customize special transportation vehicles for extra long, ultra wide and overweight goods, the special transportation vehicles have high manufacturing cost, long production cycle and lack of versatility, and finally result in low utilization rate and poor return on investment of special semitrailers, which increases the operation cost of users.

Meanwhile, the turning radius of the existing vehicles for transporting ultra-large engineering mechanical equipment is large, and the operability is poor.

Disclosure of utility model

The application provides a combined semi-trailer train, which can flexibly change the combination of vehicles according to the requirements so as to adapt to different transportation requirements, can combine various types of trailers, increases the length of the trailers and the number of axles, therefore, the axle load capacity is reduced, the device is particularly suitable for transporting ultra-large engineering mechanical equipment, the transportation efficiency is improved, the turning radius is small, the operability is good, the operation of a driver is convenient, and the problem in the background technology can be effectively solved.

In order to achieve the purpose, the application provides a combined semi-trailer train which comprises a middle main trailer, a front bearing trailer and a tail bearing trailer.

The left end of the middle main trailer is detachably connected with a front bearing trailer, and the right end of the middle main trailer is detachably connected with a tail bearing trailer.

The middle main trailer comprises a main frame, a traction head is arranged at the left end of the main frame, a bearing table is arranged at the right end of the main frame, a traction pin I is arranged at the left end of the lower surface of the traction head, and a hanging frame is arranged at the right end of the lower surface of the bearing table.

The front bearing trailer comprises a first extension frame, a first bearing wheel is arranged at the right end of the lower surface of the first extension frame, a traction pin is arranged at the left end of the lower surface of the first extension frame, a saddle type traction seat is arranged at the left end of the upper surface of the first extension frame, and the saddle type traction seat is correspondingly arranged in a clamping manner with the traction pin.

The tail bearing trailer comprises a second extension frame, a connecting plate is arranged on the left side face of the second extension frame, a self-locking hook is arranged on the lower surface of the connecting plate, and the self-locking hook is correspondingly arranged in clamping connection with the hanging frame.

Preferably, a plurality of groups of wheels are symmetrically arranged at the front end and the rear end of the lower surface of the bearing table.

Preferably, the right end of the lower surface of the first extension frame is rotatably connected with a limiting shaft, the limiting shaft is connected with a first wheel shaft through a first radial arm arranged on the outer side surface of the limiting shaft, the front end and the rear end of the outer side surface of the first wheel shaft are respectively provided with a first bearing wheel, and a shock absorber is arranged between the upper surface of the first radial arm and the lower surface of the first extension frame.

Preferably, a locating plate is arranged at the upper end of the outer side face of the connecting plate, and a roller is arranged at the end part of the outer side face of the locating plate.

Preferably, the self-locking hook comprises a top hook fixed on the outer side surface of the connecting plate, the top hook is rotationally connected with a bottom hook through a connecting shaft arranged on the outer side surface of the top hook, the bottom hook is connected with the connecting plate through a thrust spring, and the bottom hook and the top hook are fixed together through a positioning inserted link.

Preferably, the left end of the lower surface of the second extension frame is provided with a hydraulic supporting leg.

Preferably, the lower surface of the second extension frame is rotatably connected with a second cantilever, an air bag is arranged between the upper surface of the second cantilever and the lower surface of the second extension frame for damping, and a second bearing wheel is arranged at the end part of the second cantilever.

Compared with the prior art, the application has the beneficial effects that:

1. The combined semi-trailer train can flexibly change the combination of vehicles according to the requirements so as to adapt to different transportation requirements, can combine various types of trailers, increases the length of the trailers and the number of axles, thereby reducing the axle load capacity, is particularly suitable for transporting ultra-large type engineering mechanical equipment, improves the transportation efficiency, has small turning radius and better operability, and is convenient for a driver to operate;

2. Compared with the common semi-trailer, the application can simultaneously transport more kinds of cargoes, is suitable for different transport requirements, has wide application range and reduces transport cost and time.

Drawings

FIG. 1 is a schematic diagram of a combined semi-trailer train in a hitched condition;

FIG. 2 is a front view of a front load-bearing trailer;

FIG. 3 is a front view of a rear loading trailer;

FIG. 4 is a schematic structural view of a self-locking hook;

fig. 5 is a front view of the intermediate primary trailer.

In the figure, a middle main trailer, a first traction pin, a first traction head, a main frame 13, a 14 bearing table, a 15 hanging frame, a2 front bearing trailer, a 21 traction pin, a 22 saddle type traction seat, a 23 extension frame I, a 24 shock absorber, a 25 wheel axle I, a 26 swing arm I, a 27 limit shaft, a 3 tail bearing trailer, a 31 self-locking hook, a 311 top hook, a 312 connecting shaft, a 313 thrust spring, a 314 positioning inserted link, a 315 bottom hook, a 32 positioning plate, a 33 connecting plate, a 34 hydraulic supporting leg, a 35 extension frame II, a 36 cantilever II and a 37 air bag shock absorber are shown as the components.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the description of the present application, if directional descriptions such as "upper", "lower", "front", "rear", "left", "right", etc. are referred to as directions or positional relationships based on those shown in fig. 1, they are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. When a feature is referred to as being "disposed," "secured" or "connected" to another feature, it can be directly disposed, secured or connected to the other feature or it can be indirectly disposed, secured or connected to the other feature.

Referring to fig. 1-5, the application provides a combined semi-trailer train, which comprises a middle main trailer 1, a front bearing trailer 2 and a tail bearing trailer 3.

Specifically, when large-scale transportation tasks are executed, only the front bearing trailer 2 and the tail bearing trailer 3 are required to be respectively installed at two ends of the middle main trailer 1, and the front bearing trailer 2 or the tail bearing trailer 3 can be selectively mounted according to different transportation tasks.

The left end of the middle main trailer 1 is detachably connected with a front bearing trailer 2, and the right end of the middle main trailer 1 is detachably connected with a tail bearing trailer 3.

The middle main trailer 1 comprises a main frame 13, a traction head 12 is arranged at the left end of the main frame 13, a bearing table 14 is arranged at the right end of the main frame 13, a traction pin I11 is arranged at the left end of the lower surface of the traction head 12, and a hanging frame 15 is arranged at the right end of the lower surface of the bearing table 14.

Specifically, the traction head 12 is rotatably mounted at the left end of the upper surface of the main frame 13 through a pin shaft, and after the traction head 12 rotates to a specified angle, the position of the traction head can be fixed through a locking device, the locking device comprises a locking bolt, and the traction head 12 and the main frame 13 can be fixed together through the locking bolt.

More specifically, the first traction pin 11 is used for being connected with the saddle type traction seat 22, the upper surface of the saddle type traction seat 22 is provided with a first installation hole which is correspondingly arranged in an inserting mode with the first traction pin 11, and after the first traction pin 11 is inserted into the first installation hole, the first traction pin 11 is fixed on the saddle type traction seat 22 through the U-shaped bayonet lock, so that falling-off is prevented when the saddle type traction seat is used.

The front bearing trailer 2 comprises a first extension frame 23, a first bearing wheel is arranged at the right end of the lower surface of the first extension frame 23, a traction pin 21 is arranged at the left end of the lower surface of the first extension frame 23, a saddle type traction seat 22 is arranged at the left end of the upper surface of the first extension frame 23, and the saddle type traction seat 22 is correspondingly arranged in clamping connection with the traction pin 11.

Specifically, the traction pin 21 is used for being connected with a connecting seat of the headstock.

The tail bearing trailer 3 comprises a second extension frame 35, a connecting plate 33 is arranged on the left side face of the second extension frame 35, a self-locking hook 31 is arranged on the lower surface of the connecting plate 33, and the self-locking hook 31 is correspondingly arranged in a clamping manner with the hanging frame 15.

Specifically, a horizontal traction column is mounted on the hanger 15, and a self-locking hook 31 is locked on the traction column.

Further, a plurality of sets of wheels are symmetrically mounted on the front and rear ends of the lower surface of the bearing table 14.

In particular, multiple sets of wheels may be effective to increase the load carrying capacity of the load bearing table 14.

Further, a limiting shaft 27 is rotatably connected to the right end of the lower surface of the first extension frame 23, the limiting shaft 27 is connected to a first wheel axle 25 through a first radial arm 26 arranged on the outer side surface of the first wheel axle, the front end and the rear end of the outer side surface of the first wheel axle 25 are provided with a first bearing wheel, and a damper 24 is arranged between the upper surface of the first radial arm 26 and the lower surface of the first extension frame 23.

Specifically, the existence of the damper 24 allows the first swing arm 26 to rotate around the limiting shaft 27, so that a good buffering effect can be provided for the first extension frame 23.

Further, a positioning plate 32 is mounted at the upper end of the outer side surface of the connecting plate 33, and rollers are mounted at the end of the outer side surface of the positioning plate 32.

Specifically, the roller contacts with the rear end of the bearing table 14, and when the vehicle is braked, the roller on the positioning plate 32 is tightly pressed at the tail of the bearing table 14, so that the self-locking hook 31 can be well protected.

Further, the self-locking hook 31 includes a top hook 311 fixed on the outer side surface of the connecting plate 33, the top hook 311 is rotatably connected with a bottom hook 315 through a connecting shaft 312 disposed on the outer side surface of the top hook 311, the bottom hook 315 is connected with the connecting plate 33 through a thrust spring 313, and the bottom hook 315 and the top hook 311 are fixed together through a positioning insert 314.

Specifically, during mounting, the top hook 311 and the bottom hook 315 are commonly engaged on the traction column of the hanger 15.

Further, a hydraulic support leg 34 is disposed at the left end of the lower surface of the second extension frame 35.

Specifically, when the second extension frame 35 is hung, the hydraulic support leg 34 extends to lift the end of the second extension frame 35, so that the self-locking hook 31 and the hanger 15 are located at the same height, and the connection of the self-locking hook 31 and the hanger 15 is facilitated.

Further, the lower surface of the second extension frame 35 is rotatably connected with a second cantilever 36, an air bag shock absorber 37 is arranged between the upper surface of the second cantilever 36 and the lower surface of the second extension frame 35, and a second bearing wheel is mounted at the end part of the second cantilever 36.

Specifically, the number of the airbag cushions 37 is not less than one.

In use, before the start of a transport mission, the operator selects the appropriate trailer combination, including the intermediate main trailer 1, the front carrying trailer 2 and the rear carrying trailer 3, depending on the type of cargo and the transport requirements.

The combined connection is that an operator parks the middle main trailer 1 on a flat ground, then, the front bearing trailer 2 is close to the middle main trailer 1, the first traction pin 11 is aligned with the inner hole of the saddle type traction seat 22 of the front trailer 2, then the first traction pin 11 is inserted and locked, the hanging of the middle main trailer 1 and the front bearing trailer 2 is completed, then, the tail bearing trailer 3 is close to the rear end of the middle main trailer 1, the self-locking hook 31 is aligned with the hanging frame 15, the connecting device is hooked and locked, and the hanging of the middle main trailer 1 and the tail bearing trailer 3 is completed.

Finally, the power tractor is reversed, so that the traction saddle on the tractor head is hooked and locked with the traction pin 21 of the front bearing trailer 2, and the semi-trailer train is grouped.

After the semi-trailer train is grouped, workers can load cargoes, and then transport and unload the cargoes.

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

Claims

1. A combined semi-trailer train, characterized by comprising a middle main trailer (1), a front load-bearing trailer (2) and a rear load-bearing trailer (3);

The left end of the intermediate main trailer (1) is detachably connected to the front load-bearing trailer (2), and the right end of the intermediate main trailer (1) is detachably connected to the rear load-bearing trailer (3);

The middle main trailer (1) includes a main frame (13), a traction head (12) is provided at the left end of the main frame (13), a load-bearing platform (14) is provided at the right end of the main frame (13), a traction pin (11) is provided at the left end of the lower surface of the traction head (12), and a hanging bracket (15) is provided at the right end of the lower surface of the load-bearing platform (14);

The front load-bearing trailer (2) includes an extension frame (23), a load-bearing wheel (1) is provided at the right end of the lower surface of the extension frame (23), a traction pin (21) is provided at the left end of the lower surface of the extension frame (23), and a saddle-type traction seat (22) is provided at the left end of the upper surface of the extension frame (23), and the saddle-type traction seat (22) is correspondingly arranged to be engaged with the traction pin (11);

The tail-carrying trailer (3) includes an extension frame 2 (35), a connecting plate (33) is installed on the left side of the extension frame 2 (35), a self-locking hook (31) is installed on the lower surface of the connecting plate (33), and the self-locking hook (31) is correspondingly arranged to be connected with the bracket (15).

2. A combined semi-trailer train according to claim 1, characterized in that: a plurality of sets of wheels are symmetrically mounted on the front and rear ends of the lower surface of the load-bearing platform (14).

3. A combined semi-trailer train according to claim 1, characterized in that: the right end of the lower surface of the extension frame (23) is rotatably connected to a limit shaft (27), the limit shaft (27) is connected to an axle (25) through a swing arm (26) arranged on its outer side surface, and load-bearing wheels are installed at both front and rear ends of the outer side surface of the axle (25), and a shock absorber (24) is installed between the upper surface of the swing arm (26) and the lower surface of the extension frame (23).

4. A combined semi-trailer train according to claim 1, characterized in that a positioning plate (32) is installed on the upper end of the outer side surface of the connecting plate (33), and a roller is installed on the end of the outer side surface of the positioning plate (32).

5. A combined semi-trailer train according to claim 1, characterized in that: the self-locking hook (31) includes a top hook (311) fixed to the outer side of the connecting plate (33), the top hook (311) is rotatably connected to the bottom hook (315) through a connecting shaft (312) set on the outer side thereof, the bottom hook (315) is connected to the connecting plate (33) through a thrust spring (313), and the bottom hook (315) and the top hook (311) are fixed together through a positioning rod (314).

6. A combined semi-trailer train according to claim 1, characterized in that a hydraulic support leg (34) is provided at the left end of the lower surface of the second extension frame (35).

7. A combined semi-trailer train according to claim 1, characterized in that: the lower surface of the second extension frame (35) is rotatably connected to the second cantilever (36), an air bag shock absorber (37) is provided between the upper surface of the second cantilever (36) and the lower surface of the second extension frame (35), and the end of the second cantilever (36) is installed with a load-bearing wheel (2).