CN218257882U

CN218257882U - Rear door locking device of dump truck

Info

Publication number: CN218257882U
Application number: CN202222688550.XU
Authority: CN
Inventors: 刘松; 梁博然; 王海涛; 胡胜民
Original assignee: Hengtian Dadi Automobile Co ltd
Current assignee: Hengtian Dadi Automobile Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-01-10
Anticipated expiration: 2032-10-12

Abstract

The utility model relates to a tipper back door shutting technical field specifically is a tipper back door locking device, including the car hopper, the inside one end fixedly connected with connecting plate of car hopper, the one end fixedly connected with installation frame of connecting plate, the inside fixedly connected with installation piece of installation frame, the one end of installation piece and the one end fixed connection of connecting plate, the other end fixedly connected with double-acting cylinder of installation piece, double-acting cylinder's both ends all articulate there is the connecting rod, two the one end that the connecting rod was kept away from each other all extends to the outside of installation frame, and then accomplishes opening to the back door body, owing to adopt double-acting cylinder to make both sides move in step, and then improve the result of use, increase stability, and the leakproofness of reinforcing back door shutting, the effectual phenomenon that prevents bulk cargo lou material takes place.

Description

Rear door locking device of dump truck

Technical Field

The utility model relates to a tipper back door shutting technical field specifically is a tipper back door blocking device.

Background

As is well known, a dump truck refers to a vehicle that unloads cargo by itself by hydraulic or mechanical lifting. Also known as dump trucks. The dumper carriage is divided into a backward tilting process and a lateral tilting process, the piston rod is controlled by a control system to move in the backward tilting process, the carriage can be stopped at any required inclined position up and down, then the back door of the dumper is turned upwards to be opened, goods in the dumper carriage are unloaded from the back door of the dumper, after the goods in the carriage are unloaded, the carriage is reset by the self gravity and hydraulic control of the dumper, and the back door of the dumper is turned downwards to be closed.

The existing dump trucks can transport various kinds of cargoes, such as coal, sludge, municipal garbage and the like. The automatic latch hook structure of the back door that is often used has the following disadvantages: the environment pollution to the city is caused by the easy leakage of bulk cargo such as leaking materials, sludge and the like.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a convenient operation, the reinforcing of back door leakproofness effectively prevents to reveal the tipper back door blocking device of goods.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tipper back door blocking device, includes the car hopper, the inside one end fixedly connected with connecting plate of car hopper, the one end fixedly connected with installation frame of connecting plate, the inside fixedly connected with installation piece of installation frame, the one end of installation piece and the one end fixed connection of connecting plate, the other end fixedly connected with double-acting cylinder of installation piece, double-acting cylinder's both ends all articulate there is the connecting rod, two the one end that the connecting rod was kept away from each other all extends to the outside of installation frame, two the one end that the connecting rod was kept away from each other all is connected with the catch bar, two it has the back door body to articulate between the catch bar, the equal first pivot of fixedly connected with in both ends of back door body, two the one end of first pivot is connected with the inside rotation of car hopper respectively.

Preferably, the inside one end of car hopper is rotated and is connected with the second pivot, the other end fixedly connected with turnover door of second pivot, the other end fixedly connected with third pivot of turnover door, the other end of third pivot extends to the front end and the fixedly connected with stabilizing gear of car hopper, the one end fixedly connected with electric telescopic handle of car hopper, electric telescopic handle's one end fixedly connected with promotes the piece, promote the bottom fixedly connected with stabilizing rack of piece, stabilizing rack and stabilizing gear intermeshing.

Furthermore, one end of the pushing block is fixedly connected with a sliding block, and one end of the sliding block is connected with the outer wall of the car hopper in a sliding mode.

Furthermore, sealing wool tops are arranged on the outer wall of the rear door body and the outer wall of the turnover door.

On the basis, sponge layers are arranged at the ends, close to each other, of the turnover door and the rear door body.

(III) advantageous effects

Compared with the prior art, the utility model provides a tipper back door blocking device possesses following beneficial effect:

this tipper back door blocking device, through with the car hopper install the relevant position after, under the function of double-acting cylinder, will drive two connecting rods and keep away from each other, and the connecting rod will drive the catch bar and overturn, and then make the back door body overturn under the spacing of first pivot, and then accomplish opening to the back door body, owing to adopt double-acting cylinder to make both sides move in step, and then improve the result of use, increase stability, and the leakproofness of reinforcing back door shutting, the effectual phenomenon that prevents bulk cargo hourglass material takes place.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic top sectional view of the double-acting cylinder of the present invention;

fig. 3 is a left side view structural schematic diagram of the back door body of the present invention;

fig. 4 is a left side view structure diagram of the present invention;

fig. 5 is a schematic view of the front view structure of the present invention.

In the figure: 1. a car hopper; 2. a connecting plate; 3. a mounting frame; 4. mounting blocks; 5. a double-acting oil cylinder; 6. a connecting rod; 7. a push rod; 8. a rear door body; 9. a first rotating shaft; 10. a second rotating shaft; 11. turning over the door; 12. a third rotating shaft; 13. a stabilizing gear; 14. an electric telescopic rod; 15. a pushing block; 16. a slider; 17. sealing the wool tops; 18. a sponge layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Examples

Referring to fig. 1 to 5, a locking device for a rear door of a dump truck includes a car hopper 1, a connecting plate 2 is fixedly connected to one end of the inside of the car hopper 1, an installation frame 3 is fixedly connected to one end of the connecting plate 2, an installation block 4 is fixedly connected to the inside of the installation frame 3, one end of the installation block 4 is fixedly connected to one end of the connecting plate 2, a double-acting cylinder 5 is fixedly connected to the other end of the installation block 4, two ends of the double-acting cylinder 5 are hinged to connecting rods 6, ends of the two connecting rods 6 away from each other extend to the outside of the installation frame 3, ends of the two connecting rods 6 away from each other are connected to push rods 7, a rear door body 8 is hinged between the two push rods 7, two ends of the rear door body 8 are fixedly connected to first rotating shafts 9, one end of each first rotating shaft 9 is rotatably connected to the inside of the car hopper 1, after the car hopper 1 is installed at a corresponding position, the two connecting rods 6 are driven to be away from each other under the operation of the double-acting cylinder 5, the connecting rods 6 drive the push rods 7 to turn over, the push rods 7 to turn over the rear door body 8, further turn over the rear door body 8, so as to further to turn over the locking device to further increase the stability of the bulk cargo, and further increase the stability of the sealing effect of the bulk cargo.

It should be further noted that, one end inside the car hopper 1 is rotatably connected with a second rotating shaft 10, the other end of the second rotating shaft 10 is fixedly connected with a turnover door 11, the other end of the turnover door 11 is fixedly connected with a third rotating shaft 12, the other end of the third rotating shaft 12 extends to the front end of the car hopper 1 and is fixedly connected with a stabilizing gear 13, one end of the car hopper 1 is fixedly connected with an electric telescopic handle 14, one end of the electric telescopic handle 14 is fixedly connected with a pushing block 15, a bottom end of the pushing block 15 is fixedly connected with a stabilizing rack, the stabilizing rack is meshed with the stabilizing gear 13, one end of the pushing block 15 is fixedly connected with a sliding block 16, one end of the sliding block 16 is slidably connected with the outer wall of the car hopper 1, so as to improve the sliding effect of the pushing block 15, sealing strips 17 are respectively installed on the outer wall of the rear door body 8 and the outer wall of the turnover door 11, so as to improve the overall sealing effect, a sponge layer 18 is installed at one end of the turnover door 11 and the rear door body 8 close to further improve the safety between the turnover door 11 and the rear door body 8.

To sum up, this tipper back door blocking device, when using, at first press hydraulic switch, utilize hydraulic power unit to drive the motion of two effect hydro-cylinders 5, two effect hydro-cylinders 5 stretch out and promote connecting rod 6, connecting rod 6 drives catch bar 7 and moves, thereby realize closing or opening of back door, because adopt two effect hydro-cylinders 5 to make both sides move in step, and then improve the result of use, increase stability, and under the function through electric telescopic handle 14, electric telescopic handle 14 drives catch block 15 and removes, and drive stabilizing gear 13 through stabilizing the rack and rotate, and then realize the rotation to third pivot 12, and third pivot 12 drives upset door 11 and rotates, and then accomplish opening and closing to car hopper 1, further improvement is to the leakproofness of car hopper 1.

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. The utility model provides a tipper back door blocking device, includes car hopper (1), its characterized in that: the utility model discloses a car hopper, including car hopper (1), one end fixedly connected with connecting plate (2) inside car hopper (1), the one end fixedly connected with installation frame (3) of connecting plate (2), the inside fixedly connected with installation piece (4) of installation frame (3), the one end of installation piece (4) and the one end fixed connection of connecting plate (2), the other end fixedly connected with double-acting hydro-cylinder (5) of installation piece (4), the both ends of double-acting hydro-cylinder (5) all articulate there are connecting rod (6), two the one end of keeping away from each other of connecting rod (6) all extends to the outside of installation frame (3), two the one end that connecting rod (6) kept away from each other all is connected with catch bar (7), two it has back door body (8) to articulate between catch bar (7), the equal first pivot (9) of fixedly connected with the inside rotation of car hopper (1) respectively, two the one end of first pivot (9) is connected with the inside rotation of car hopper (1).

2. The dump truck back door locking device as claimed in claim 1, wherein: the utility model discloses a car hopper, including car hopper (1), the inside one end of car hopper (1) is rotated and is connected with second pivot (10), the other end fixedly connected with upset door (11) of second pivot (10), the other end fixedly connected with third pivot (12) of upset door (11), the other end of third pivot (12) extends to the front end of car hopper (1) and fixedly connected with stabilizing gear (13), the one end fixedly connected with electric telescopic handle (14) of car hopper (1), the one end fixedly connected with of electric telescopic handle (14) promotes piece (15), the bottom fixedly connected with stabilizing rack that promotes piece (15), stabilizing rack and stabilizing gear (13) intermeshing.

3. The dump truck back door locking device as set forth in claim 2, wherein: one end of the pushing block (15) is fixedly connected with a sliding block (16), and one end of the sliding block (16) is connected with the outer wall of the car hopper (1) in a sliding mode.

4. The dump truck back door locking device as claimed in claim 3, wherein: and sealing wool tops (17) are arranged on the outer wall of the rear door body (8) and the outer wall of the turnover door (11).

5. The dump truck back door locking device as claimed in claim 4, wherein: and sponge layers (18) are arranged at the ends, close to each other, of the turnover door (11) and the rear door body (8).