CN216942826U

CN216942826U - Rollover-prevention self-discharging semitrailer

Info

Publication number: CN216942826U
Application number: CN202220851765.6U
Authority: CN
Inventors: 张建钊
Original assignee: Shijiazhuang Jinhang Trailer Manufacturing Co ltd
Current assignee: Shijiazhuang Jinhang Trailer Manufacturing Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-07-12
Anticipated expiration: 2032-04-13

Abstract

The utility model relates to the technical field of semitrailers, and provides a rollover prevention and self-unloading semitrailer which is not easy to cause rollover of the semitrailer, and comprises a semitrailer body, wherein the semitrailer body is provided with a bottom plate, the front end and the rear end of the bottom plate are both connected with two rotary bases, the rotary bases are rotatably connected with a mounting frame, the mounting frame is fixedly connected with a rotary frame, one end of the rotary frame, which is far away from the mounting frame, is rotatably connected with a rotary rod, the rotary frame is provided with a mounting groove, the rotary rod is provided with a rotary groove, the insides of the mounting groove and the rotary groove are respectively rotatably connected with a mounting plate and a rotary plate, the mounting plate is provided with a motor, the output end of the motor is fixedly connected with a screw rod, the rotary plate is provided with a screw hole matched with the screw rod, the bottom end of the rotary rod is rotatably connected with a support plate, the bottom end of the bottom plate is fixedly connected with a support frame, the top end of the support frame is rotatably provided with a first electric cylinder through a hinge seat, the output end of the electric cylinder is connected with a rotary block, a rotating shaft is connected between the two rotating frames positioned on the same side of the semitrailer body, and the rotating block is rotationally connected with the rotating shaft.

Description

Rollover-prevention self-discharging semitrailer

Technical Field

The utility model relates to the technical field of semitrailers, in particular to a side-turning-preventing self-discharging semitrailer.

Background

As is well known, a dump semi-trailer is suitable for transporting bulk goods such as coal, ore, building materials and the like, and can be divided into two categories according to purposes: the heavy and super-heavy self-unloading trailer for off-road transportation mainly undertakes the transportation tasks of large mines, projects and the like and is usually matched with an excavator for use, and the light and medium-sized common self-unloading trailer for road transportation mainly undertakes the transportation of loose goods such as sandstone, soil, coal and the like and is usually matched with a loader for use.

Through retrieval, china 9.5.2012 discloses a side dump semi-trailer with patent publication No. CN202413560U, which is roughly described as including a carriage, two ends of one side of the carriage are respectively provided with a lift cylinder, a cylinder body of the lift cylinder is hinged on a bottom plate, an end part of the lift cylinder is hinged on a side wall of the carriage, the other side of the carriage is hinged with a U-shaped discharge plate, a telescopic rod is hinged between the discharge plate and the end part of the carriage, only a reinforcing rib is arranged at a splicing part of plates, welding points of a box body are reduced, weight is lightened, two ends of the box body are lifted more safely and reliably, the whole forced side downward door is opened, discharging is rapid and sufficient, a side door serves as a material guide plate, and goods are prevented from burying tires.

Although the unloading is fast in the prior art scheme, the goods are prevented from being buried in the tires, the lifting oil cylinder lifts and overturns the carriage in the unloading process, the center of gravity of the semitrailer can change and deflect to one side, the semitrailer is poor in stability, the semitrailer can be overturned, and the semitrailer is required to be overturned in an anti-rollover self-discharging manner.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a side-turning prevention self-discharging semitrailer, which aims to solve the problem that the semitrailer is easy to turn on side in the prior art.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a side-turning prevention self-discharging semitrailer comprises a semitrailer body, wherein the semitrailer body is provided with a bottom plate, the front end and the rear end of the bottom plate are both connected with two rotary seats, a mounting frame is rotatably connected onto the rotary seats, a rotary frame is fixedly connected onto the mounting frame, one end, away from the mounting frame, of the rotary frame is rotatably connected with a rotary rod, a mounting groove is formed in the rotary frame, a rotary groove is formed in the rotary rod, the insides of the mounting groove and the rotary groove are respectively rotatably connected with a mounting plate and a rotary plate, a motor is mounted on the mounting plate, a screw rod is fixedly connected to the output end of the motor, a screw hole matched with the screw rod is formed in the rotary plate, the bottom end of the rotary rod is rotatably connected with a supporting plate, the bottom end of the bottom plate is fixedly connected with a supporting frame, a first electric cylinder is rotatably mounted at the top end of the supporting frame through a hinge seat, and the output end of the electric cylinder is connected with a rotary block, and a rotating shaft is connected between the two rotating frames positioned on the same side of the semitrailer body, and the rotating block is rotationally connected with the rotating shaft.

Preferably, a second electric cylinder is installed at the bottom end of the bottom plate, a lifting frame is fixedly connected to the output end of the second electric cylinder, and a plurality of fixing rods are connected to the bottom end of the lifting frame.

Furthermore, a through hole matched with the rotating shaft is formed in the rotating block, and a plurality of balls are rotatably connected inside the through hole.

Still further, the bottom end of the supporting plate is connected with a cushion pad.

As a further scheme of the scheme, a plurality of replacing holes are formed in the supporting plate, replacing bolts are arranged inside the replacing holes, and a plurality of screw holes matched with the replacing bolts are formed in the buffer pad.

As a further scheme of the scheme, the bottom end of the fixed rod is in a pointed shape.

On the basis of the scheme, a reinforcing rod is connected between the supporting frame and the bottom plate.

On the basis of the scheme, one end, far away from the motor, of the screw rod is connected with a limiting plate.

(III) advantageous effects

Compared with the prior art, the utility model provides a rollover-preventing self-discharging semitrailer, which has the following beneficial effects:

according to the utility model, the rotating block can be driven to move through the expansion and contraction of the electric cylinder, so that the rotating frame is driven to rotate around the rotating seat through the rotating shaft, the screw rod can be driven to rotate through the motor, the rotating plate can be moved through the thread matching of the rotating plate and the screw rod, the rotating rod can be driven to rotate around the rotating frame through the rotation of the rotating plate and the mounting plate and the movement of the rotating plate on the screw rod, so that the support plate is pressed on the ground to support the anti-rollover self-unloading semitrailer, when the anti-rollover self-unloading semitrailer is supported, the distance between the support plate and the semitrailer body is far, the stability of the anti-rollover self-unloading semitrailer can be ensured, and compared with the prior art, the scheme is not easy to cause the semitrailer to rollover.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is a schematic perspective view of a swivel mount, a swivel stand, a swivel rod, and a mounting plate of the present invention in partial cross-section;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B according to the present invention;

fig. 5 is a schematic perspective view of the second electric cylinder, the lifting frame, the fixing rod and the like.

In the figure: 1. a semitrailer body; 2. a base plate; 3. rotating; 4. rotating the frame; 5. a rotating rod; 6. mounting a plate; 7. rotating the plate; 8. a motor; 9. a screw; 10. a support plate; 11. a support frame; 12. a first electric cylinder; 13. rotating the block; 14. a rotating shaft; 15. a second electric cylinder; 16. a lifting frame; 17. fixing the rod; 18. a ball bearing; 19. a cushion pad; 20. replacing the bolt; 21. a reinforcing rod; 22. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, a side-turning prevention self-discharging semitrailer comprises a semitrailer body 1, wherein the semitrailer body 1 is provided with a bottom plate 2, two rotary bases 3 are respectively connected to the front end and the rear end of the bottom plate 2, a mounting frame is rotatably connected to the rotary bases 3, a rotary frame 4 is fixedly connected to the mounting frame, a rotary rod 5 is rotatably connected to one end of the rotary frame 4, which is far away from the mounting frame, a mounting groove is formed in the rotary rod 4, a rotary groove is formed in the rotary rod 5, a mounting plate 6 and a rotary plate 7 are respectively rotatably connected to the insides of the mounting groove and the rotary groove, a motor 8 is mounted on the mounting plate 6, a screw 9 is fixedly connected to the output end of the motor 8, a screw hole matched with the screw 9 is formed in the rotary plate 7, the screw 9 can be driven to rotate by the motor 8, the rotary plate 7 can be moved by the threaded fit of the rotary plate 7 and the screw 9, the rotary plate 7 and the mounting plate 6 can be rotated and the rotary plate 7 can be moved on the screw 9, can drive bull stick 5 and revolute frame 4 and rotate, with bull stick 5 commentaries on classics from revolving frame 4, support this anti-tipping semitrailer of turning on one's side, the one end that motor 8 was kept away from to screw rod 9 is connected with limiting plate 22, be convenient for carry on spacingly to bull stick 7 and bull stick 5, avoid changeing board 7 and drop from screw rod 9, the bottom of bull stick 5 is rotated and is connected with backup pad 10, the bottom of backup pad 10 is connected with blotter 19, be convenient for buffer protection to backup pad 10, strengthen simultaneously and the frictional force between the ground, stability is improved, a plurality of change holes have been seted up in backup pad 10, the inside in change hole is provided with change bolt 20, set up a plurality of screws that match with change bolt 20 on the blotter 19, through the rotation to change bolt 20, can realize carrying out comparatively convenient dismouting to blotter 19.

It should be further described that the bottom end of the bottom plate 2 is fixedly connected with a support frame 11, the top end of the support frame 11 is rotatably provided with a first electric cylinder 12 through a hinged seat, the output end of the electric cylinder is connected with a rotating block 13, a rotating shaft 14 is connected between two rotating frames 4 positioned on the same side of the semitrailer body 1, the rotating block 13 is rotatably connected with the rotating shaft 14, the rotating block 13 is provided with a through hole matched with the rotating shaft 14, the through hole is internally and rotatably connected with a plurality of balls 18, the friction between the rotating block 13 and the rotating shaft 14 can be reduced through the rotation of the balls 18, so as to reduce the resistance when the rotating block 13 rotates, a reinforcing rod 21 is connected between the support frame 11 and the bottom plate 2, so as to improve the stability of the support frame 11, further improve the stability of the first electric cylinder 12, the rotating block 13 can be driven to move through the extension and the rotating shaft 14 drives the rotating frame 4 to rotate around the rotating seat 3, rotate the revolving rack 4 to being close the horizontality from vertical state, be convenient for drive the bull stick 5 and rotate to being close vertical state, support bottom plate 2 through bull stick 5 and revolving rack 4, electronic jar 15 of second is installed to the bottom of bottom plate 2, the output fixedly connected with crane 16 of electronic jar 15 of second, crane 16's bottom is connected with a plurality of dead levers 17, can drive crane 16 and dead lever 17 through electronic jar 15's of second flexible and go up and down, dead lever 17 inserts ground and can further improve this stability of preventing self-discharging semitrailer of turning on one's side, the bottom of dead lever 17 is the tip form, be convenient for dead lever 17 inserts ground.

The motor 8, the first electric cylinder 12 and the second electric cylinder 15 in this embodiment are conventional devices that are purchased from the market and are known to those skilled in the art, and the models can be selected or customized according to actual needs.

In conclusion, when the anti-rollover and self-discharging semitrailer is used, the anti-rollover and self-discharging semitrailer is firstly placed at a place to be used, the initial rotating frame 4 is in a vertical state and is tightly attached to the carriage of the semitrailer body 1, the rotating rod 5 and the rotating frame 4 are in a tightly attached state, when unloading, the driver starts the motor 8, the motor 8 drives the screw 9 to rotate, thereby driving the rotating rod 5 to be far away from the rotating frame 4 through the rotating plate 7, the rotating rod 5 rotates around the rotating frame 4 to be in an opening state, then the first electric cylinder 12 is opened, the first electric cylinder 12 contracts to drive the rotating shaft 14 to rotate around the rotating seat 3 towards the direction close to the supporting frame 11, thereby driving the supporting plate 10 to be tightly attached to the ground, the anti-rollover self-discharging semitrailer is supported, then the second electric cylinder 15 is opened, the second electric cylinder 15 extends to drive the lifting frame 16 and the fixing rod 17 to descend, and the fixing rod 17 is inserted into the ground to further ensure the stability of the anti-rollover self-discharging semitrailer.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The side-turning prevention self-unloading semi-trailer comprises a semi-trailer body (1), wherein the semi-trailer body (1) is provided with a bottom plate (2), and is characterized in that the front end and the rear end of the bottom plate (2) are both connected with two rotary bases (3), the rotary bases (3) are rotatably connected with a mounting frame, the mounting frame is fixedly connected with a rotary frame (4), one end of the rotary frame (4), which is far away from the mounting frame, is rotatably connected with a rotary rod (5), the rotary frame (4) is provided with a mounting groove, the rotary rod (5) is provided with a rotary groove, the insides of the mounting groove and the rotary groove are respectively rotatably connected with a mounting plate (6) and a rotary plate (7), the mounting plate (6) is provided with a motor (8), the output end of the motor (8) is fixedly connected with a screw rod (9), the rotary plate (7) is provided with a screw hole matched with the screw rod (9), and the bottom end of the rotary rod (5) is rotatably connected with a supporting plate (10), the bottom fixedly connected with support frame (11) of bottom plate (2), the top of support frame (11) is rotated through articulated seat and is installed first electronic jar (12), the output of electronic jar is connected with commentaries on classics piece (13), lies in and is connected with pivot (14) between two revolving racks (4) with one side of semitrailer body (1), commentaries on classics piece (13) and pivot (14) rotate and connect.

2. The side-tipping prevention self-discharging semitrailer of claim 1, characterized in that a second electric cylinder (15) is installed at the bottom end of the base plate (2), a lifting frame (16) is fixedly connected to the output end of the second electric cylinder (15), and a plurality of fixing rods (17) are connected to the bottom end of the lifting frame (16).

3. The rollover-prevention self-discharging semitrailer according to claim 2, characterized in that the rotating block (13) is provided with a through hole matched with the rotating shaft (14), and a plurality of balls (18) are rotatably connected inside the through hole.

4. The rollover prevention and self-discharging semitrailer according to claim 3, characterized in that a cushion pad (19) is connected to the bottom end of the supporting plate (10).

5. The rollover-prevention self-discharging semitrailer as claimed in claim 4, wherein the support plate (10) is provided with a plurality of replacing holes, replacing bolts (20) are arranged inside the replacing holes, and the cushion pad (19) is provided with a plurality of screw holes matched with the replacing bolts (20).

6. The rollover prevention and self-discharging semitrailer according to claim 5, characterized in that the bottom end of the fixing rod (17) is pointed.

7. The rollover prevention self-discharging semitrailer according to claim 6, characterized in that a reinforcing rod (21) is connected between the supporting frame (11) and the base plate (2).

8. The rollover-prevention self-discharging semitrailer according to claim 7, characterized in that one end of the screw (9) far away from the motor (8) is connected with a limiting plate (22).