Novel self-discharging carriage rear plate locking mechanism

Abstract

The utility model relates to the technical field of vehicle carriages, and discloses a novel locking mechanism for a rear plate of a dumper carriage. The packing box is in contact with the rear plate; hanging frames are rotationally connected to the two sides of the top of the container through first pin shafts, second pin shafts are fixedly connected to the positions, away from the first pin shafts, of the hanging frames, oil cylinders are hinged to the outer side walls of the second pin shafts, connecting rods are hinged to the lower portions of the oil cylinders through third pin shafts, and fourth pin shafts are fixedly connected to the positions, located below the oil cylinders, of the outer side of the container. A lock hook is hinged to the outer side wall of the fourth pin shaft; a double-acting oil cylinder is additionally arranged on each of the two sides of a container, the oil cylinders are connected with an oil cylinder oil way for self-unloading in series, when a driver operates the container to lift and lift the oil cylinders to work, oil pipes on the two sides supply oil, a rear plate locking oil cylinder works, a connecting rod hinged to the oil cylinders is pushed downwards to enable a lock hook to be separated from a hanging shaft on a rear plate, and the stroke of the oil cylinders is lengthened. An oil cylinder hinged shaft on the rear plate hanging frame can push the rear plate to rotate around a pin shaft of the hanging frame, so that the rear plate is automatically opened.

Description

TECHNICAL FIELD

[0001] The utility model relates to a vehicle compartment technical field, concretely is a novel self -discharging vehicle compartment rear plate locking mechanism. BACKGROUND

[0002] The conventional locking mechanism of the self -discharging vehicle compartment rear plate is that the bottom plate rear part of the compartment is welded with a pin shaft baffle, the pin shaft baffle is connected with the chassis frame with a chain, when the compartment completely falls, the chain is taut, the pin shaft baffle on the bottom plate fixes the rear plate on the rear door frame, and there is a manual rotary lock hook on the left and right side plate stand column as a security mechanism, when the self -discharging vehicle needs to dump goods, the manual rotary lock hook on the compartment side plate stand column needs to be unlocked first, then the compartment is lifted, after the distance between the two fixed points of the chain under the compartment shortens in the process of the longitudinal inclination, the chain is loosened, and the rear plate is pushed open by the weight of the goods in the compartment.

[0003] But the existing compartment needs to open the manual rotary lock hook on the left and right side plate stand column manually when unloading, which increases the labor intensity of the driver, and there is a great safety risk, and the chain under the compartment will automatically open when inclining, but the weight of the goods can push open the rear plate if the locking mechanism is locked, and if the goods in the compartment cannot push open the rear plate, the whole vehicle will have the risk of overturning.

[0004] In view of the above problems, a novel self -discharging vehicle compartment rear plate locking mechanism is provided. UTILITY MODEL CONTENTS

[0005] The utility model discloses a novel self -discharging vehicle compartment rear plate locking mechanism, solve the problem that manual rotary lock hook is needed in the background art, and the rear plate can be pushed open only at a certain angle.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a novel self -discharging vehicle compartment rear plate locking mechanism, comprising; the compartment and rear plate, the compartment is in contact with the rear plate;The top of the compartment is rotatably connected with the hanger through the first pin shaft on both sides, the hanger is fixedly connected with the second pin shaft away from the first pin shaft, the outer side wall of the second pin shaft is hinged with the oil cylinder, the lower part of the oil cylinder is hinged with the connecting rod through the third pin shaft, the outer side of the compartment is fixedly connected with the fourth pin shaft below the oil cylinder, the outer side wall of the fourth pin shaft is hinged with the lock hook, and the connecting rod and the lock hook are hinged through the fifth pin shaft.

[0007] Further description of the above technical scheme: the top end of the rear plate is fixedly connected with the hanger close to the second pin shaft.

[0008] Further description of the above technical scheme: the side wall of the rear plate is fixedly connected with the sixth pin shaft, and the sixth pin shaft is hinged with the end of the lock hook away from the connecting rod.

[0009] As a further description of the above technical solutions: the outer side of the container is provided with a first oil pipe and a second oil pipe, and the first oil pipe and the second oil pipe are both communicated with the oil cylinder.

[0010] As a further description of the above technical solutions: the number of the hooks on one side of the container is two groups.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] The novel self-unloading carriage rear plate locking mechanism provided by the utility model increases one double-acting oil cylinder on each side of the container, the oil cylinder is connected in series with the oil cylinder oil way for self-unloading, when the driver operates the container to lift, the lifting oil cylinder works at the same time, the two sides of the oil pipe supply oil, the rear plate locking oil cylinder works, the connecting rod connected with the oil cylinder pushes the hooks to separate from the hanging shaft on the rear plate, the oil cylinder stroke is lengthened, the oil cylinder hinge shaft on the rear plate hanging frame pushes the rear plate to rotate around the pin shaft of the hanging frame, and the rear plate is automatically opened. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is a structural schematic view of the utility model when the rear plate is opened;

[0015] Figure 3 It is a structural schematic view of the utility model when the container is tilted.

[0016] In the drawing: 1, second pin shaft; 2, oil cylinder; 3, second oil pipe; 4, third pin shaft; 5, hook; 6, fourth pin shaft; 7, sixth pin shaft; 8, connecting rod; 9, fifth pin shaft; 10, hanging frame; 11, first oil pipe; 12, first pin shaft; 13, container; 14, rear plate. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0018] In order to further understand the content of the utility model, the utility model will be described in detail with reference to the drawings.

[0019] In combination with Figure 1 , Figure 2 and Figure 3A new self-unloading vehicle compartment rear plate locking mechanism, comprising: a box 13 and a rear plate 14, the box 13 is in contact with the rear plate 14; the box 13 is adapted to the vehicle system, the rear plate 14 is in contact with the box 13 through a hanger 10, both sides of the top of the box 13 are rotatably connected with the hanger 10 through a first pin shaft 12, the hanger 10 is hinged to the box 13 through the first pin shaft 12, the hanger 10 is fixedly connected with a second pin shaft 1 away from the first pin shaft 12, an oil cylinder 2 is hinged to the outer side wall of the second pin shaft 1, the second pin shaft 1 is hinged to the oil cylinder 2, the oil cylinder 2 pushes the rear plate 14 to rotate, the lower part of the oil cylinder 2 is hinged to a connecting rod 8 through a third pin shaft 4, the outer side of the box 13 below the oil cylinder 2 is fixedly connected with a fourth pin shaft 6, a lock hook 5 is hinged to the outer side wall of the fourth pin shaft 6, the lock hook 5 rotates to close and completely lock the rear plate 14, the connecting rod 8 and the lock hook 5 are hinged through a fifth pin shaft 9.

[0020] In combination Figure 2 and Figure 3 , the top end of the rear plate 14 is fixedly connected with the hanger 10 close to the second pin shaft 1, and the rear plate 14 rotates through the hanger 10.

[0021] In combination Figure 1 and Figure 2 , the side wall of the rear plate 14 is fixedly connected with a sixth pin shaft 7, the sixth pin shaft 7 is hinged to one end of the lock hook 5 away from the connecting rod 8, the outer side of the box 13 is provided with a first oil pipe 11 and a second oil pipe 3, the first oil pipe 11 and the second oil pipe 3 are in communication with the oil cylinder 2, the number of the lock hook 5 on one side of the box 13 is two groups, the two groups of lock hooks 5 increase the locking stability, the first oil pipe 11 is in communication with the top end of the oil cylinder 2, the second oil pipe 3 is in communication with the bottom end of the oil cylinder 2, the first oil pipe 11 supplies oil, the oil cylinder 2 is pushed out, so that the piston rod rises, the rear plate 14 rotates around the first pin shaft 12, and the opening operation is completed, after completion, hydraulic oil enters the upper cavity of the oil cylinder 2 through the second oil pipe 3, and the piston rod of the oil cylinder 2 retracts under the action of high-pressure oil to complete the closing.

[0022] The working principle is that when the dump truck transports goods to the freight yard and needs to be dumped, the driver opens the rear plate hand control valve, the hydraulic oil first oil pipe 11 enters the lower cavity of the oil cylinder 2, the piston rod of the oil cylinder 2 extends to push the connecting rod 8, the connecting rod 8 drives the lock hook 5 to descend around the fourth pin shaft 6, the other end of the lock hook 5 ascends, the lock hook 5 and the sixth pin shaft 7 welded on the rear plate 14 are in contact; the rear plate 14 and the lock hook 5 of the container 13 are unlocked; as the first oil pipe 11 continues to enter the oil cylinder 2, the piston rod of the oil cylinder 2 extends continuously, at this time, the hanger 10 is rotated around the first pin shaft 12, so that the rear plate 14 is completely opened; at this time, the driver opens the hand control valve of the oil cylinder 2, so that the container 13 is tilted and the goods can be completely dumped; when the container 13 is dumped, the driver controls the rear plate hand control valve again, the hydraulic oil enters the upper cavity of the oil cylinder 2 through the second oil pipe 3, the piston rod of the oil cylinder 2 is retracted under the action of high-pressure oil, the piston rod pulls back the rear plate 14 to reset, when the rear plate 14 is completely leaned against the side plate column of the container 13, the connecting rod 8 is pulled up to move upward, the lock hook 5 rotates around the fourth pin shaft 6 on the container 13, the lock hook 5 hooks the sixth pin shaft 7 on the rear plate 14 to lock the rear plate 14, at this time, the rear plate 14 of the container 13 is completely closed.

[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A novel self-unloading vehicle body rear door locking mechanism, characterized by: Include; The box (13) and the back plate (14), the box (13) is in contact with the back plate (14); The top of the box (13) is rotatably connected with a hanger (10) through a first pin shaft (12), the hanger (10) is fixedly connected with a second pin shaft (1) away from the first pin shaft (12), the outer side wall of the second pin shaft (1) is hingedly connected with an oil cylinder (2), the lower part of the oil cylinder (2) is hingedly connected with a connecting rod (8) through a third pin shaft (4), the outer side of the box (13) is fixedly connected with a fourth pin shaft (6) below the oil cylinder (2), the outer side wall of the fourth pin shaft (6) is hingedly connected with a lock hook (5), and the connecting rod (8) and the lock hook (5) are hingedly connected through a fifth pin shaft (9).

2. A new self-unloading vehicle compartment rear plate locking mechanism according to claim 1, characterized in that: The top end of the back plate (14) is fixedly connected with the hanger (10) close to the second pin shaft (1).

3. A new type of self-unloading vehicle compartment rear plate locking mechanism according to claim 1, characterized in that: The side wall of the back plate (14) is fixedly connected with a sixth pin shaft (7), and the sixth pin shaft (7) is hingedly connected with one end of the lock hook (5) away from the connecting rod (8).

4. A new type of self-unloading vehicle compartment rear plate locking mechanism according to claim 1, characterized in that: The outer side of the box (13) is provided with a first oil pipe (11) and a second oil pipe (3), and the first oil pipe (11) and the second oil pipe (3) are in communication with the oil cylinder (2).

5. A new type of self-unloading vehicle compartment rear plate locking mechanism according to claim 1, characterized in that: The number of the lock hook (5) on one side of the box (13) is two groups.

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