Carriage connecting structure of detachable garbage truck

Abstract

The utility model discloses a detachable garbage truck carriage connecting structure which comprises a truck body, box body locking devices are fixedly installed on the two sides of the truck body respectively, a suspension arm is movably connected to one side of the truck body, a self-locking hook device is fixedly installed on one side of the suspension arm, and the self-locking hook device is movably connected to the other side of the truck body. The self-locking lifting hook device comprises a movable lock, a first hinge, a hinge, a spring, a spring screw, a lifting hook and a second hinge, the movable lock is hinged to the lifting hook through the first hinge, and the movable lock is hinged to the first hinge through the second hinge. When the lifting hook of the garbage truck hooks a compartment, the movable lock is driven to move towards the lifting hook under the action of the spring, and the first hinge and the second hinge move along with the moving direction of the lifting hook in the moving process, so that the automatic locking effect is achieved, the self-locking lifting hook device is prevented from falling off from the compartment in the pulling process, and the safety of the garbage truck is improved. And manual operation of the locking device is also saved.

Description

Technical Field

[0001] The utility model relates to the technical field of garbage trucks, in particular to a connecting structure of a detachable garbage truck carriage. Background Technique

[0002] The detachable garbage truck, also known as a carriage detachable garbage truck, a hook-arm garbage truck or a pull-arm garbage truck, is a special vehicle dedicated to garbage disposal in urban streets, schools and other places. The detachable garbage truck is used in conjunction with a garbage bin or a mobile garbage station to achieve garbage collection, transportation and dumping. The main feature of this vehicle is that its box part is completely controlled by a hydraulic system, and multiple garbage bins can be equipped on one vehicle to improve the efficiency of garbage disposal.

[0003] The patent with the publication number CN209758164U discloses a small detachable garbage truck, which specifically discloses "a small detachable garbage truck. By setting box wheels at the four corners of the bottom of the garbage bin, the disassembly and replacement of the garbage bin can be realized. A slideway for the pressure plate to slide is arranged on the garbage bin, and a detachable sealing device is arranged on the slideway to isolate the garbage and sundries in the garbage bin, which is convenient for the pressure plate to slide. When the pressure plate slides to the outermost end away from the garbage bin at the front of the vehicle, it can be used as the rear cover of the garbage bin. When the pressure plate needs to be disassembled, the sealing device can be removed. The assembly of the whole garbage truck is simple and the disassembly is convenient." The technical solution realizes the technical effect of "the assembly of the whole garbage truck is simple and the disassembly is convenient".

[0004] However, during the use of this patent, only the disassembly of the garbage truck can be made more convenient, and the connection structure between the garbage truck and the carriage is not tight. If the connection between the garbage truck and the carriage is not tight, the carriage may shake or fall off during the driving of the garbage truck, posing a safety hazard to the driver and other road users. It may also cause garbage to spill or leak during transportation, especially liquid garbage such as swill, which is easy to drip on the road surface, causing road surface pollution. This kind of pollution not only affects the city appearance, but also may cause trouble to the travel and life of citizens, such as generating unpleasant odors and breeding mosquitoes. Content of the Utility Model

[0005] The purpose of the utility model is to provide a connecting structure of a detachable garbage truck carriage to solve the problems put forward in the above background technique.

[0006] To achieve the above object, the utility model provides the following technical solution: A detachable garbage truck carriage connection structure, including a vehicle body, both sides of the vehicle body are fixedly installed with box body locking devices, one side of the vehicle body is movably connected with a boom, and one side of the boom is fixedly installed with a self-locking hook device. The self-locking hook device includes a movable lock, a first hinge, a hinge, a spring, a spring screw, a hook and a second hinge. The movable lock is hinged to the hook through the first hinge, and the movable lock is hinged to the first hinge through the second hinge.

[0007] As a further scheme of the utility model: A detachable garbage truck carriage connection structure, both sides of the movable lock and the hook are installed with spring screws, and one end of the spring screw penetrates through a spring.

[0008] As a further scheme of the utility model: A detachable garbage truck carriage connection structure, the structure of the box body locking device includes a base, both sides inside the base are fixedly installed with cylinders, and one side of the cylinder is movably connected with an L-shaped lock.

[0009] As a further scheme of the utility model: A detachable garbage truck carriage connection structure, one side of the vehicle body is fixedly installed with a pulley.

[0010] As a further scheme of the utility model: A detachable garbage truck carriage connection structure, the inside of the movable lock is hollow, reducing the contact surface with one side of the hook.

[0011] As a further scheme of the utility model: A detachable garbage truck carriage connection structure, one side of the L-shaped lock is inclined at 15 degrees and the contact surface with the box body is increased.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. When the garbage truck lowers the boom, it drives the self-locking hook device to pull the carriage. During the pulling process, to prevent the self-locking hook device from loosening during the pulling process, when the hook hooks the carriage, the spring drives the movable lock to move towards the hook. During the movement, the first hinge and the second hinge move along with the movement direction of the hook, so as to achieve the automatic locking effect, which not only avoids the detachment of the self-locking hook device and the carriage during the pulling process, but also saves manpower for operating the locking device;

[0014] 2. Since the garbage truck will vibrate during driving on the road, which may cause the carriage to slip during vibration, box body locking devices are fixedly installed on both sides of the vehicle body to lock the carriage. The L-shaped lock can move along the axial direction of the cylinder under the drive of the cylinder to lock the carriage;

[0015] 3. To make it more convenient to pull the carriage to one side of the vehicle body by the self-locking hook device, a pulley is fixedly installed on one side of the vehicle body, which not only reduces the pressure generated when the self-locking hook device pulls the carriage, but also reduces the friction between the carriage and the vehicle body, and reduces the wear caused by friction between parts.

[0016] 4. At the same time, when the self-locking hook device pulls the carriage, the spring drives the movable lock to move in the direction of the hook. To reduce the friction generated when the movable lock and the hook are locked, the inside of the movable lock is hollow to reduce the contact surface with one side of the hook.

[0017] 5. When the L-shaped lock locks the carriage, to increase the tightness between the carriage and the L-shaped lock, one side of the L-shaped lock is inclined 15 degrees to increase the contact surface with the carriage. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of a detachable garbage truck carriage connection structure of the present invention; Figure 1 ;

[0019] Figure 2 is a schematic diagram of the overall structure of a detachable garbage truck carriage connection structure of the present invention; Figure 2 ;

[0020] Figure 3 is a schematic diagram of the structure of the self-locking hook device in a detachable garbage truck carriage connection structure of the present invention;

[0021] Figure 4 is a schematic diagram of the structure of the box body locking device in a detachable garbage truck carriage connection structure of the present invention;

[0022] Figure 5 is a detachable garbage truck carriage connection structure of the present invention Figure 4 enlarged view of A;

[0023] In the figure: 1. Vehicle body; 2. Boom; 3. Self-locking hook device; 4. Box body locking device; 5. Pulley; 6. Carriage; 31. Movable lock; 32. First hinge; 33. Spring; 34. Spring screw; 35. Hook; 36. Second hinge; 41. Cylinder; 42. L-shaped lock; 43. Base. DETAILED DESCRIPTION OF THE INVENTION

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0025] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The embodiments of the present utility model will be described below according to its overall structure.

[0026] In an embodiment of the present utility model, a detachable garbage truck carriage connection structure includes a vehicle body 1. Box locking devices 4 are fixedly installed on both sides of the vehicle body 1. A lifting arm 2 is movably connected to one side of the vehicle body 1. A self-locking hook device 3 is fixedly installed on one side of the lifting arm 2. The self-locking hook device 3 includes a movable lock 31, a first hinge 32, a hinge 32, a spring 33, a spring screw 34, a hook 35, and a second hinge 36. The movable lock 31 is hinged to the hook 35 through the first hinge 32. The movable lock 31 is hinged to the first hinge 32 through the second hinge 36.

[0027] Another embodiment of the present utility model: A detachable garbage truck carriage connection structure, wherein spring screws 34 are installed on one side of both the movable lock 31 and the hook 35, and one end of the spring screw 34 penetrates through a spring 33.

[0028] Other embodiments of the present utility model: A detachable garbage truck carriage connection structure, the structure of the box body locking device 4 includes a base 43, and both sides inside the base 43 are fixedly installed with cylinders 41, and one side of the cylinder 41 is movably connected to the L-shaped lock 42.

[0029] Other embodiments of the present utility model: A detachable garbage truck carriage connection structure, one side of the vehicle body 1 is fixedly installed with a pulley 5.

[0030] Other embodiments of the present utility model: A detachable garbage truck carriage connection structure, the inside of the movable lock 31 is hollow, reducing the contact surface with one side of the hook 35.

[0031] Other embodiments of the present utility model: A detachable garbage truck carriage connection structure, one surface of the L-shaped lock 42 is inclined at 15 degrees and the contact surface with the box body 6 is increased.

[0032] The working principle of the present utility model is: When the garbage truck lowers the lifting arm 2, it drives the self-locking hook device 3 to pull the carriage 6. During the pulling process, to prevent the self-locking hook device 3 from loosening during the pulling process, when the hook 35 hooks the carriage 6, under the action of the spring 33, it drives the movable lock 31 to move towards the hook 35. During the movement, the first hinge 32 and the second hinge 36 move along with the movement direction of the hook 35, thereby achieving an automatic locking effect, not only avoiding the detachment of the self-locking hook device 3 and the carriage 6 during the pulling process, but also saving the manpower for operating the locking device.

[0033] Since the garbage truck will generate vibrations during driving on the road, which may cause the carriage to slip during the vibration process, both sides of the vehicle body 1 are fixedly installed with box body locking devices 4 to lock the carriage 6. The L-shaped lock 42 can move along the cylinder axis under the drive of the cylinder 41 to lock the carriage 6.

[0034] In order to make it more convenient for the carriage 6 to be pulled to one side of the vehicle body 1 by the self-locking hook device 3, a pulley 5 is fixedly installed on one side of the vehicle body 1, which not only reduces the pressure generated when the self-locking hook device 3 pulls the carriage 6, but also reduces the friction between the carriage 6 and the vehicle body 1, and reduces the wear caused by friction between parts.

[0035] At the same time, when the self-locking hook device 3 pulls the carriage 6, under the action of the spring 33, it drives the movable lock 31 to move towards the hook 35. To reduce the friction generated when the movable lock 31 and the hook 35 are locked, the inside of the movable lock 31 is set to be hollow, reducing the contact surface with one side of the hook 35.

[0036] When the L-shaped lock 42 locks the carriage 6, in order to increase the tightness between the carriage 6 and the L-shaped lock 42, one side of the L-shaped lock 42 is inclined by 15 degrees, increasing the contact surface with the carriage 6.

[0037] The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes, should be covered within the protection scope of the present invention.

Claims

1. A detachable garbage truck compartment connection structure, characterized in that: The invention comprises a vehicle body (1), wherein both sides of the vehicle body (1) are fixedly mounted with a box locking device (4), one side of the vehicle body (1) is movably connected with a suspension arm (2), one side of the suspension arm (2) is fixedly mounted with a self-locking hook device (3), the self-locking hook device (3) comprises a movable lock (31), a first hinge (32), a hinge (32), a spring (33), a spring screw (34), a hook (35) and a second hinge (36), the movable lock (31) is hinged to the hook (35) via the first hinge (32), and the movable lock (31) is hinged to the first hinge (32) via the second hinge (36); When the garbage truck lowers the boom (2), the self-locking hook device (3) is driven to pull the carriage (6). During the pulling process, in order to prevent the self-locking hook device (3) from loosening during the pulling process, when the hook (35) hooks the carriage (6), the spring (33) drives the movable lock (31) to move in the direction of the hook (35). During the movement, the first hinge (32) and the second hinge (36) move in the direction of the movement of the hook (35), thereby achieving an automatic locking effect, which not only prevents the self-locking hook device (3) and the carriage (6) from falling off during the pulling process, but also saves manpower to operate the locking device; Since the garbage truck will generate vibrations while driving on the road, which may cause the carriage to slide down during the vibration, a box locking device (4) is fixedly installed on both sides of the vehicle body (1) to lock the carriage (6), and the L-shaped lock (42) can move along the axial direction of the cylinder under the drive of the cylinder (41) to lock the carriage (6); In order to make it easier for the carriage (6) to be pulled to one side of the vehicle body (1) by the self-locking hook device (3), a pulley (5) is fixedly installed on one side of the vehicle body (1), which not only reduces the pressure generated by the self-locking hook device (3) when pulling the carriage (6), but also reduces the friction between the carriage (6) and the vehicle body (1), and reduces the wear between the parts caused by friction; At the same time, when the self-locking hook device (3) pulls the carriage (6), the spring (33) drives the movable lock (31) to move in the direction of the hook (35). In order to reduce the friction generated when the movable lock (31) and the hook (35) are locked, the interior of the movable lock (31) is set to be hollow to reduce the contact surface with one side of the hook (35); When the L-shaped lock (42) locks the carriage (6), in order to increase the tightness between the carriage (6) and the L-shaped lock (42), one side of the L-shaped lock (42) is inclined by 15 degrees, thereby increasing the contact surface with the carriage (6).

2. A detachable garbage truck compartment connection structure according to claim 1, characterized in that: A spring screw (34) is installed on one side of the movable lock (31) and the hook (35), and a spring (33) passes through one end of the spring screw (34).

3. A detachable garbage truck compartment connection structure according to claim 2, characterized in that: The structure of the box locking device (4) includes a base (43), and cylinders (41) are fixedly installed on both sides of the base (43), and one side of the cylinder (41) is movably connected to an L-shaped lock (42).

4. A detachable garbage truck compartment connection structure according to claim 3, characterized in that: A pulley (5) is fixedly mounted on one side of the vehicle body (1).

5. The detachable garbage truck compartment connection structure according to claim 4 is characterized in that: The interior of the movable lock (31) is arranged to be hollow, thereby reducing the contact surface with one side of the hook (35).

6. A detachable garbage truck compartment connection structure according to claim 5, characterized in that: One side of the L-shaped lock (42) is inclined at 15 degrees and increases the contact surface with the carriage (6).

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