CN211519350U

CN211519350U - Forced rear door opening mechanism of dump truck

Info

Publication number: CN211519350U
Application number: CN202020076324.4U
Authority: CN
Inventors: 曹德海; 孙本昌; 车砚名
Original assignee: CIMC Vehicles Liaoning Co Ltd
Current assignee: CIMC Vehicles Liaoning Co Ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-09-18
Anticipated expiration: 2030-01-13

Abstract

The utility model belongs to the technical field of automobile parts, in particular to a forced rear door opening mechanism of a self-discharging automobile, aiming at the problems that the opening area of the existing rear door is small, and the rear door stops the goods from dumping to cause the goods to be stacked, at the moment, the self-discharging automobile must move forwards in a carriage lifting state to cause larger rollover danger, and simultaneously, a rear door assembly is easy to damage, the utility model provides a proposal which comprises an unloading automobile, wherein the self-discharging automobile is provided with a carriage, one side of the carriage is provided with a discharge opening, the top of the carriage is rotationally connected with a rear door, the utility model has reasonable structure and simple operation, the rear door can move upwards in an arc shape through a driving motor, the discharge opening can be opened, the opening area is large, the goods can be effectively prevented from being stacked, the unloading is more convenient and smooth, the unloading can be finished in one time without the movement of the automobile, and the, meanwhile, the rear door can be prevented from being hit by larger stones, so that the rear door is more durable.

Description

Forced rear door opening mechanism of dump truck

Technical Field

The utility model relates to an automobile parts field especially relates to the mandatory rear door opening mechanism of dump truck.

Background

The self-discharging automobile is mainly used for transporting bulk cargos such as earthwork, stones and the like, the transport vehicles occupy a large proportion in a mining area, the adaptability is strong, the loading and unloading are convenient, the self-discharging automobile adopts the box body to lift backwards, the cargos are unloaded from the back door, and the back door is opened by the pushing force of the cargos in the traditional back door opening mode.

The existing back door opening area is small, the back door blocks goods from dumping, so that goods are accumulated, at the moment, the dump truck must move forwards in a carriage lifting state, so that a large rollover danger is caused, and meanwhile, a back door assembly is easy to damage, so that a mandatory back door opening mechanism of the dump truck is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having current back door opening area less among the prior art, thereby and the back door stops that the goods dumps and causes the goods to pile up, and the dump truck just must move forward at the state that the carriage was lifted this moment, causes great danger of turning on one's side, and the shortcoming of back door assembly also easy damage simultaneously, and the compulsory back door opening mechanism of the dump truck who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a forced rear door opening mechanism of a dump truck comprises the dump truck, wherein a carriage is arranged on the dump truck, a discharge opening is formed in one side of the carriage, a rear door is rotatably connected to the top of the carriage, a fixed plate is fixedly connected to one side of the rear door, a fixed seat is fixedly connected to the top of the carriage, a fixed cavity is arranged on the fixed seat, a driving motor is fixedly connected to the inner wall of one side of the fixed cavity, a rotating shaft is fixedly connected to the output shaft of the driving motor, a threaded seat is connected to the rotating shaft in a threaded manner, a sliding plate is slidably connected in the fixed cavity, one side of the threaded seat is fixedly connected with one side of the sliding plate, a transverse plate is fixedly connected to the other side of the sliding plate, one side of the transverse plate penetrates through the inner wall of the other side of the fixed, one of first connecting rod serves and is equipped with the gyro wheel, one side fixedly connected with arc slide in carriage, gyro wheel and one side roll connection of arc slide, the top of fixed plate is rotated and is connected with the second connecting rod, the one end and the first connecting rod of second connecting rod rotate to be connected, be equipped with fixed subassembly on the back door, can make the back door carry out the arc upward movement through driving motor, can open the discharge opening, and open the area and effectively prevent greatly that the goods from piling up, it is more convenient smooth to unload, once only dumps under the condition that the vehicle need not remove and finishes, guarantees discharge safety, can prevent simultaneously that great stone from bombing and pounding the back door, makes the back door more durable.

Preferably, fixed subassembly is including seting up the spout at the back door opposite side, sliding connection has the limiting plate in the spout, one side roll connection of limiting plate has the pulley, the pulley groove has been seted up to one side in carriage, the pulley clamps with the pulley groove activity, owing to set up spout, limiting plate and pulley, when the carriage does not lift, the pulley can clamp with the pulley groove mutually, fixes the back door, makes the goods can not take place to drop, when the carriage lifts, the pulley can break away from clamping of pulley groove, makes things convenient for opening of back door to be convenient for unload.

Preferably, two second springs are symmetrically and fixedly connected to the inner wall of the other side of the fixed chamber, one ends of the second springs are fixedly connected to the other side of the sliding plate, and the second springs can provide reset power for the sliding plate.

Preferably, a thread groove is formed in one side of the thread seat, one end of the rotating shaft extends into the thread groove, a thread plate is fixedly connected into the thread groove, one end of the rotating shaft penetrates through the thread plate and is in threaded connection with the thread plate, the thread groove and the thread plate are arranged, and power can be provided for the thread seat.

Preferably, the opposite side fixedly connected with first spring of limiting plate, the one end of first spring and the one side inner wall fixed connection of spout, first spring can provide reset power for limiting plate and pulley.

The utility model discloses in, dump truck's compulsory back door opening mechanism, owing to set up driving motor, driving motor can make the pivot rotate, the pivot can make the screw thread seat drive the sliding plate and remove to the direction of keeping away from driving motor, thereby can make the diaphragm remove, the diaphragm can make the gyro wheel on the first connecting rod carry out the arc and upwards roll on the arc slide, can make the second connecting rod drive the fixed plate arc like this and rise, the fixed plate can drive back door arc upward movement, thereby can open the discharge opening, and it is big to open the area, effectively prevent that the goods from piling up, it is more convenient smooth to unload, once only dump under the condition that the vehicle need not remove finishes, guarantee to unload safety, can prevent that great stone from bombing to pound the back door simultaneously, it is more durable to make the back door.

Owing to set up spout, limiting plate and pulley, when the carriage does not lift, the pulley can clamp with the pulley groove mutually, fixes the back door, makes the goods can not take place to drop, lifts when the carriage, and the pulley can break away from clamping of pulley groove, makes things convenient for opening of back door to be convenient for unload.

The utility model discloses rational in infrastructure, easy operation can make the back door carry out the arc upward movement through driving motor, can open the discharge opening, and open the area and effectively prevent greatly that the goods from piling up, and it is more convenient smooth to unload, once only dumps under the condition that the vehicle need not remove and finishes, guarantees discharge safety, can prevent that great stone from bombing simultaneously and pounding the back door, makes the back door more durable.

Drawings

Fig. 1 is a schematic front view of a mandatory rear door opening mechanism of a dump truck according to the present invention;

fig. 2 is a schematic cross-sectional view of a fixing seat of a forced rear door opening mechanism of a dump truck according to the present invention;

fig. 3 is a schematic cross-sectional structural view of the screw seat of the forcible rear door opening mechanism of the dump truck according to the present invention;

fig. 4 is an enlarged schematic structural view of a portion a of the forcible rear door opening mechanism of the dump truck according to the present invention;

fig. 5 is an enlarged schematic structural diagram of a portion B of the forcible rear door opening mechanism of the dump truck according to the present invention.

In the figure: the device comprises a dumper 1, a carriage 2, a rear door 3, a fixing plate 4, a fixing seat 5, a fixing cavity 6, a driving motor 7, a rotating shaft 8, a threaded seat 9, a sliding plate 10, a transverse plate 11, a first connecting rod 12, an arc sliding plate 13, a second connecting rod 14, a sliding chute 15, a limiting plate 16, a pulley 17, a first spring 18, a threaded groove 19, a threaded plate 20 and a second spring 21.

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.

Example one

Referring to fig. 1-5, a forced rear door opening mechanism for a dump truck includes a dump truck 1, a carriage 2 is disposed on the dump truck 1, a discharge opening is disposed on one side of the carriage 2, a rear door 3 is rotatably connected to the top of the carriage 2, a fixing plate 4 is fixedly connected to one side of the rear door 3, a fixing seat 5 is fixedly connected to the top of the carriage 2, a fixing chamber 6 is disposed on the fixing seat 5, a driving motor 7 is fixedly connected to an inner wall of one side of the fixing chamber 6, a rotating shaft 8 is fixedly connected to an output shaft of the driving motor 7, a threaded seat 9 is threadedly connected to the rotating shaft 8, a sliding plate 10 is slidably connected to the fixing chamber 6, one side of the threaded seat 9 is fixedly connected to one side of the sliding plate 10, a transverse plate 11 is fixedly connected to the other side of the sliding plate 10, one side of the transverse plate 11 penetrates through an, one end of the first connecting rod 12 is provided with a roller, one side of the carriage 2 is fixedly connected with an arc-shaped sliding plate 13, the roller is in rolling connection with one side of the arc-shaped sliding plate 13, the top of the fixing plate 4 is rotatably connected with a second connecting rod 14, one end of the second connecting rod 14 is rotatably connected with the first connecting rod 12, the rear door 3 is provided with a fixing component, the rear door 3 can move upwards in an arc shape through the driving motor 7, a discharge opening can be opened, the opening area is large, goods accumulation is effectively prevented, discharging is more convenient and smooth, one-time dumping is finished under the condition that a vehicle does not move, discharging safety is ensured, meanwhile, a larger stone can be prevented from rolling and smashing the rear door 3, the rear door 3 is more durable, due to the arrangement of the driving motor 7, the driving motor 7 can rotate the rotating shaft 8, the rotating shaft 8 can enable the threaded seat 9 to drive the sliding plate 10 to move towards the direction, the cross plate 11 can make the roller on the first connecting rod 12 roll upwards in an arc shape on the arc-shaped sliding plate 13, so that the second connecting rod 14 can drive the fixing plate 4 to ascend in an arc shape, the fixing plate 4 can drive the rear door 3 to move upwards in an arc shape, the discharge opening can be opened, the opening area is large, the goods accumulation is effectively prevented, the discharge is more convenient and smooth, the one-time dumping is completed under the condition that the vehicle does not move, the discharge safety is ensured, meanwhile, the larger stones can be prevented from rolling and smashing the rear door 3, the rear door 3 is more durable, due to the arrangement of the sliding groove 15, the limiting plate 16 and the pulley 17, when the carriage 2 is not lifted, the pulley 17 can be clamped with the pulley groove, the rear door 3 is fixed, the goods cannot fall off, when the carriage 2 is lifted, the pulley 17 can be separated from the clamping of the pulley groove, the opening of the rear door 3 is convenient, the discharge is convenient, easy operation can make back door 3 carry out arc upward movement through driving motor 7, can open the discharge opening, and open the area and effectively prevent greatly that the goods from piling up, and it is more convenient smooth to unload, once only dumps under the condition that the vehicle need not remove and finishes, guarantees discharge safety, can prevent simultaneously that great stone from bombing to pound back door 3, makes back door 3 more durable.

Example two

The utility model discloses in, state fixed subassembly including seting up spout 15 at back door 3 opposite side, sliding connection has limiting plate 16 in spout 15, one side roll connection of limiting plate 16 has pulley 17, the pulley groove has been seted up to one side of carriage 2, pulley 17 clamps with the pulley groove activity, owing to set up spout 15, limiting plate 16 and pulley 17, when carriage 2 does not lift, pulley 17 can clamp with the pulley groove mutually, fix back door 3, make the goods can not take place to drop, when carriage 2 lifts, pulley 17 can break away from clamping in the pulley groove, make things convenient for opening of back door 3, thereby be convenient for unload.

The utility model discloses in, two second springs 21 of symmetry fixedly connected with on the opposite side inner wall of fixed cavity 6, the one end of second spring 21 all with the opposite side fixed connection of sliding plate 10, second spring 21 can provide reset power for sliding plate 10.

The utility model discloses in, thread groove 19 has been seted up to one side of screw thread seat 9, and in the one end of pivot 8 extended to thread groove 19, fixedly connected with threading board 20 in the thread groove 19, the one end of pivot 8 run through threading board 20 and with threading board 20 threaded connection, set up thread groove 19 and threading board 20, can provide power for screw thread seat 9.

The utility model discloses in, the first spring 18 of opposite side fixedly connected with of limiting plate 16, the one end of first spring 18 and one side inner wall fixed connection of spout 15, first spring 18 can provide power that resets for limiting plate 16 and pulley 17.

In the utility model, when in specific use, when unloading is needed, firstly, the dump truck 1 jacks up one side of the carriage 2, then the carriage 2 turns backwards, then the pulley 17 slides in the pulley groove to be separated from the clamping of the pulley groove, then the limitation of the rear door 3 is removed, then the driving motor 7 is started, the output shaft of the driving motor 7 drives the rotating shaft 8 to rotate, because the rotating shaft 8 is in threaded connection with the thread plate 20, the rotating shaft 8 rotates to drive the thread plate 20 to drive the thread seat 9 to move towards the direction far away from the driving motor 7, thereby the sliding plate 10 drives the transverse plate 11 to move, the transverse plate 11 moves to drive the roller on the first connecting rod 12 to roll upwards on the arc-shaped sliding plate 13, thereby the second connecting rod 14 can drive the fixed plate 4 to do arc-shaped motion, the fixed plate 4 can drive the rear door 3 to do arc-shaped motion, thereby can make back door 3 upwards turn up, open the discharge opening, at this moment the goods can be followed the discharge opening and opened, the area grow that can make back door 3 open like this, effectively prevent that the goods from piling up, it is more convenient smooth to unload, once only dump under the condition that the vehicle need not remove and finish, guarantee discharge safety, can prevent that great stone from bombing and pound back door 3 simultaneously, it is more durable to make back door 3, the electrical components that appear in this article all with external master controller and 220V commercial power electric connection, and the master controller can play the conventional known equipment of control for the computer etc., fixed connection mode among this technical scheme can adopt modes such as welding or bolt fastening to fix according to actual demand.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The forced rear door opening mechanism of the dump truck comprises a dump truck (1) and is characterized in that a carriage (2) is arranged on the dump truck (1), a discharge opening is formed in one side of the carriage (2), a rear door (3) is rotatably connected to the top of the carriage (2), a fixed plate (4) is fixedly connected to one side of the rear door (3), a fixed seat (5) is fixedly connected to the top of the carriage (2), a fixed cavity (6) is formed in the fixed seat (5), a driving motor (7) is fixedly connected to the inner wall of one side of the fixed cavity (6), a rotating shaft (8) is fixedly connected to an output shaft of the driving motor (7), a threaded seat (9) is in threaded connection with the rotating shaft (8), a sliding plate (10) is slidably connected in the fixed cavity (6), and one side of the threaded seat (9) is fixedly connected with one side of the sliding plate (10, the utility model discloses a car door fixing device, including fixing base (5), slide plate (10), fixed cavity (6), first connecting rod (12), one side of diaphragm (11) is run through the opposite side inner wall of fixed cavity (6) and is extended to one side of fixing base (5), one side of diaphragm (11) is rotated and is connected with first connecting rod (12), one end of first connecting rod (12) is equipped with the gyro wheel, one side fixedly connected with arc slide (13) of carriage (2), gyro wheel and one side roll connection of arc slide (13), the top of fixed plate (4) is rotated and is connected with second connecting rod (14), the one end and the first connecting rod (12) of second connecting rod (14) are rotated and are connected, be equipped with fixed subassembly on back door (.

2. The forced rear door opening mechanism of the dump truck according to claim 1, wherein the fixing component comprises a sliding groove (15) formed in the other side of the rear door (3), a limiting plate (16) is slidably connected in the sliding groove (15), a pulley (17) is connected to one side of the limiting plate (16) in a rolling manner, a pulley groove is formed in one side of the carriage (2), and the pulley (17) is movably clamped with the pulley groove.

3. The forced rear door opening mechanism of a dump truck according to claim 1, wherein two second springs (21) are symmetrically and fixedly connected to the inner wall of the other side of the fixed chamber (6), and one end of each second spring (21) is fixedly connected to the other side of the sliding plate (10).

4. The forced rear door opening mechanism of the dump truck according to claim 1, wherein a threaded groove (19) is formed in one side of the threaded seat (9), one end of the rotating shaft (8) extends into the threaded groove (19), a threaded plate (20) is fixedly connected into the threaded groove (19), and one end of the rotating shaft (8) penetrates through the threaded plate (20) and is in threaded connection with the threaded plate (20).

5. The forced rear door opening mechanism of the dump truck according to claim 2, wherein a first spring (18) is fixedly connected to the other side of the limit plate (16), and one end of the first spring (18) is fixedly connected to the inner wall of one side of the sliding chute (15).