CN220742824U

CN220742824U - Intelligent electric locking mechanism for rear door of dump truck

Info

Publication number: CN220742824U
Application number: CN202321270563.3U
Authority: CN
Inventors: 王旭; 曲美秀; 孙建; 李羽丰; 李世玲; 庄传海
Original assignee: Sanhe Sunhunk Special Vehicle Co ltd
Current assignee: Sanhe Sunhunk Special Vehicle Co ltd
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2024-04-09
Anticipated expiration: 2033-05-22

Abstract

The utility model discloses an intelligent electric locking mechanism for a rear door of a dump truck, which comprises a power mechanism controlled by a controller, wherein the power mechanism is connected with a latch hook structure arranged at the rear part of a cargo box bottom plate, and the lower end of the rear door of the cargo box can be hooked or released under the drive of the power mechanism so as to lock or unlock the rear door of the cargo box. The intelligent electric locking mechanism for the rear door of the dump truck has ingenious structural design, effectively reduces the workload and risk of personnel, reduces the switching limitation of the hydraulic locking mechanism, improves the working efficiency, reduces the use and maintenance cost and reduces the rollover accident.

Description

Intelligent electric locking mechanism for rear door of dump truck

Technical Field

The utility model relates to the technical field of self-dumping truck locking equipment, in particular to an intelligent electric locking mechanism for a rear door of a self-dumping truck.

Background

Besides the mechanical self-locking assembly for guaranteeing the closing of the rear door, the rear door of the dump truck is additionally provided with an auxiliary locking mechanism such as a manual side hook or a hydraulic self-locking hook, so that the phenomenon that goods are dumped due to unexpected opening of the rear door caused by the broken interlinking of the locking hook or the fault of the locking hook is avoided, and the locking safety of the locking hook during the running of the vehicle is guaranteed.

When the manual side hook needs to be assembled and disassembled, a driver needs to frequently get on or off the vehicle or specially-assigned people to open and close, which clearly increases the workload and the operation risk. The hydraulic self-locking hook outputs power and can only work when parking. The hydraulic system has the advantages that the working efficiency is affected, meanwhile, the parts of the hydraulic system are more, and a duplex oil pump/power unit, a pipeline, a multi-way distribution valve, a hydraulic lock, an oil cylinder and the like are needed, so that the fault probability is increased, and the cost is relatively high.

When the cargo box is lifted and unloaded, if the auxiliary locking mechanism is forgotten to be opened, the cargo cannot be dumped, the gravity center of the cargo box is higher, and the occurrence of a rollover accident is easily caused.

Therefore, how to design an intelligent electric locking mechanism for the rear door of the dump truck, which can solve the safety of auxiliary self-locking and reduce the workload and the cost of personnel, is a subject of the intensive study of the inventor.

Disclosure of Invention

The utility model aims to provide an intelligent electric locking mechanism for a rear door of a dump truck, which has ingenious structural design, effectively reduces the workload and risk of personnel, reduces the switch limitation of a hydraulic locking mechanism, improves the working efficiency, reduces the use and maintenance cost and reduces the rollover accident.

In order to achieve the above object, the technical solution of the present utility model is: the utility model provides an intelligence electric locking mechanism of tipper back door, includes the power unit by the controller control, power unit is connected with the latch hook structure who installs in the packing box bottom plate rear portion, the hook portion of latch hook structure can hook or loosen the lower extreme of packing box back door under power unit's drive to realize locking or opening the packing box back door.

The controller is connected with the sensor through a circuit, the sensor monitors the opening and closing state of the cargo box and transmits the monitored signal to the controller, and the controller controls the power mechanism to drive the hook part of the latch hook structure to lock or unlock the cargo box back door according to the received signal.

The utility model discloses an intelligent electric locking mechanism for a rear door of a dump truck, wherein a proximity switch sensor is adopted as the sensor.

The utility model discloses an intelligent electric locking mechanism for a rear door of a dump truck, wherein a sensor is arranged between a subframe and a cargo box bottom plate.

The intelligent electric locking mechanism for the rear door of the dump truck, disclosed by the utility model, is characterized in that the power mechanism adopts an electric push rod, the electric push rod is connected with the controller through a circuit, and the electric push rod realizes telescopic movement under the control of the controller.

The utility model discloses an intelligent electric locking mechanism for a rear door of a dump truck, wherein the locking hook structure comprises a locking hook base arranged at the rear end of a cargo box bottom plate, two ends of the locking hook base are hinged with two hook parts, one ends of the two hook parts are hinged with push rods at two ends of an electric push rod, and when a controller controls the telescopic movement of the push rods at two ends of the electric push rod, the two push rods drive the two hook parts to relatively approach or separate from a hinge point of the locking hook base, so that the locking or unlocking of the rear door of the cargo box is realized.

The intelligent electric locking mechanism for the rear door of the dump truck is characterized in that a locking block is arranged at the lower end of the rear door of a cargo box, and the two hook parts can lock or unlock the locking block under the drive of the electric push rod.

The utility model discloses an intelligent electric locking mechanism for a rear door of a dump truck, wherein a lock hook base is arranged on a rear tail beam of a cargo box bottom plate, an opening is formed in a corresponding part of the rear tail beam and the lock hook base, and the rear tail beam and the lock hook base are fixedly connected through bolts passing through the opening.

The utility model discloses an intelligent electric locking mechanism for a rear door of a dump truck, wherein a controller is connected with a chassis storage battery through a circuit.

After the scheme is adopted, the intelligent electric locking mechanism for the rear door of the dump truck is additionally provided with the sensor and the controller, the lifting state of the container is monitored by the sensor, and the power mechanism is controlled by the controller to drive the locking structure to act after the container is lifted, so that the rear door of the container is automatically opened; when the container falls back, the controller controls the power mechanism to drive the locking structure to act, so that the automatic locking of the rear door of the container is realized, the workload and the safety risk of manually locking the rear door of the container are reduced, and the limitation that the hydraulic locking mechanism can only be opened and closed during parking is reduced. The working efficiency is improved, the use and maintenance cost is reduced, and the car turning accident caused by forgetting to start the auxiliary self-locking is reduced. The problem of current manual limit hook, operating personnel work load is great, hydraulic pressure latch hook cost and fault rate are high is solved.

Drawings

FIG. 1 is a schematic structural view of an embodiment of the intelligent electric locking mechanism of the rear door of the dump truck in an un-lifted state of a cargo box;

FIG. 2 is a schematic structural view of an embodiment of the intelligent electric locking mechanism of the rear door of the dump truck in a cargo box lifting state;

FIG. 3 is a schematic view of the A-direction structure and the electrically controlled connection portion of FIG. 1;

fig. 4 is a schematic structural view of the intelligent electric locking mechanism for the rear door of the dump truck, which locks the rear door of the cargo box when the intelligent electric locking mechanism is in an un-lifted state;

fig. 5 is a schematic structural view of the intelligent electric locking mechanism for the rear door of the dump truck, which opens the rear door of the cargo box in a lifting state.

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings.

Detailed Description

The structural schematic diagrams of the embodiment of the intelligent electric locking mechanism of the rear door of the dump truck in the non-lifting state and the lifting state of a cargo box shown in fig. 1 and 2 comprise a power mechanism controlled by an intelligent controller 1, wherein the power mechanism of the embodiment adopts an electric push rod 2, preferably a heavy-duty electric push rod, and the electric push rod 2 is arranged on a push rod base 12. Two telescopic push rods 11 are arranged at two ends of the electric push rod 2. The electric putter 2 is an existing product, and its detailed structure is not described here again. The electric push rod 2 is connected with the intelligent controller 1 through a circuit, and the electric push rod 2 can stretch and retract push rods 11 at two ends of the electric push rod 2 under the control of the intelligent controller 1. The push rods 11 at the two ends of the electric push rod 2 are connected with a latch hook structure arranged at the rear part of the cargo box bottom plate 3.

The intelligent controller 1 is connected with the sensor 4 through a circuit, and the sensor 4 adopts a proximity switch sensor in the embodiment. The sensor 4 is mounted between the subframe and the cargo floor 3. The sensor 4 is used for monitoring the opening and closing state of the cargo box 5 and transmitting the monitored signals to the intelligent controller 1, and the intelligent controller 1 controls the push rods 11 at the two ends of the electric push rod 2 to perform telescopic movement according to the received signals so as to drive the two hook parts 6 of the latch hook structure to hook or release the lower end of the cargo box back door 7, thereby realizing locking or unlocking of the cargo box back door 7.

As shown in fig. 3, the latch hook structure comprises a latch hook base 8 mounted at the rear end of the cargo box bottom plate 3, the latch hook base 8 is mounted on a rear tail beam of the cargo box bottom plate 3, a through opening is formed in a corresponding part of the rear tail beam and the latch hook base 8, and the rear tail beam and the latch hook base 8 are fixedly connected through the opening through bolts. Two ends of the latch hook base 8 are hinged with two hook parts 6, and the two hook parts 6 are C-shaped. One end of the two hook parts 6 is hinged with push rods 11 at two ends of the electric push rod 2 through a pin shaft. The other ends of the two hooks 6 are used to lock or unlock the cargo box back door 7.

The locking block 9 is welded at the lower end of the rear container door 7, and the two hook parts 6 of the locking hook structure can lock or unlock the locking block 9 under the drive of the electric push rod 2, so that the rear container door 7 is locked or unlocked.

The intelligent controller 1 is connected with the chassis battery 10 through a circuit, and the intelligent controller 1 takes electricity from the chassis battery 10.

Referring to fig. 1 and 4, when the sensor 4 detects that the cargo box is in an un-lifted state, the detected signal is transmitted to the intelligent controller 1, the intelligent controller 1 controls the push rods 11 at two ends of the electric push rod 2 to extend according to the received signal, and the two push rods 11 drive the two hook parts 6 of the latch hook structure to rotate relatively close to the hinge point of the latch hook base 8, so that the two hook parts 6 clamp the locking block 9 at the lower end of the cargo box back door 7, and the cargo box back door 7 is locked.

Referring to fig. 2 and 5, when the sensor 4 detects that the cargo box is in a lifting state, the detected signal is transmitted to the intelligent controller 1, the intelligent controller 1 controls the push rods 11 at two ends of the electric push rod 2 to retract according to the received signal, and the two push rods 11 drive the two hook parts 6 of the latch hook structure to relatively rotate away from the hinge point of the latch hook base 8, so that the two hook parts 6 release the locking block 9 at the lower end of the cargo box back door 7, and the cargo box back door 7 is released, so that the cargo box back door 7 can be opened.

Compared with the existing auxiliary locking mechanism, the intelligent electric locking mechanism for the rear door of the dump truck is characterized in that the intelligent controller 1 and the sensor 4 are additionally arranged, the sensor 4 is used for monitoring the lifting state of a cargo box, after the cargo box is lifted, the intelligent controller 1 is used for controlling the electric push rod 2 to drive the hook part 6 of the locking structure to loosen the locking block 9 at the lower end of the rear door 7 of the cargo box, so that the rear door 7 of the cargo box is opened, and when the cargo box falls back, the intelligent controller 1 is used for controlling the electric push rod 2 to drive the hook part 6 of the locking structure to lock the locking block 9 at the lower end of the rear door 7 of the cargo box, so that the locking of the rear door 7 of the cargo box is realized, the workload and the safety risk of manually locking the rear door 7 of the cargo box are reduced, and the limitation that the existing hydraulic locking mechanism can only be opened and closed during parking is reduced. The working efficiency is improved, the use and maintenance cost is reduced, and the car turning accident caused by forgetting to start the auxiliary self-locking is reduced. The problem of current manual limit hook, operating personnel work load is great, hydraulic pressure latch hook cost and fault rate are high is solved.

The above examples are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.

Claims

1. The intelligent electric locking mechanism for the rear door of the dump truck is characterized by comprising a power mechanism controlled by a controller, wherein the power mechanism is connected with a lock hook structure arranged at the rear part of a cargo box bottom plate, and the hook part of the lock hook structure can hook or loosen the lower end of the rear door of the cargo box under the drive of the power mechanism so as to lock or unlock the rear door of the cargo box;

the controller is connected with the sensor through a circuit, the sensor monitors the opening and closing state of the cargo box and transmits the monitored signal to the controller, and the controller controls the power mechanism to drive the hook part of the latch hook structure to lock or unlock the rear door of the cargo box according to the received signal.

2. The intelligent electric locking mechanism of a rear door of a dump truck according to claim 1, wherein the sensor is a proximity switch sensor.

3. The intelligent electric locking mechanism of a rear door of a dump truck of claim 1, wherein the sensor is mounted between the subframe and the cargo floor.

4. The intelligent electric locking mechanism of the rear door of the dump truck according to claim 1, wherein the power mechanism adopts an electric push rod, the electric push rod is connected with the controller through a circuit, and the electric push rod realizes telescopic movement under the control of the controller.

5. The intelligent electric locking mechanism of the rear door of the dump truck according to claim 4, wherein the locking hook structure comprises a locking hook base arranged at the rear end of the cargo box bottom plate, two hook parts are hinged at two ends of the locking hook base, one ends of the two hook parts are hinged with push rods at two ends of the electric push rod, and when the controller controls the push rods at two ends of the electric push rod to do telescopic movement, the two push rods drive the two hook parts to rotate relatively close to or far away from a hinge point of the locking hook base, so that the locking or unlocking of the rear door of the cargo box is realized.

6. The intelligent electric locking mechanism of the rear door of the dump truck according to claim 5, wherein a locking block is arranged at the lower end of the rear door of the cargo box, and the two hook parts can lock or unlock the locking block under the drive of the electric push rod.

7. The intelligent electric locking mechanism of a rear door of a dump truck according to claim 5, wherein the lock hook base is mounted on a rear tail beam of the cargo box bottom plate, an opening is formed in a corresponding portion of the rear tail beam and the lock hook base, and the rear tail beam and the lock hook base are fixedly connected through bolts passing through the opening.

8. The intelligent electric locking mechanism of the rear door of the dump truck according to claim 1, wherein the controller is connected with a chassis battery through a circuit.