Intelligent protection device for hydraulic system of hook arm garbage truck

Abstract

The invention discloses an intelligent protection device for a hydraulic system of a hook arm garbage truck. Relates to the technical field of special sanitation vehicles, and comprises a longitudinal beam assembly, an oil cylinder seat assembly, a garbage can bracket assembly, a longitudinal beam roller assembly and a guide-in wheel, and the longitudinal beam assembly is arranged at the top of a garbage truck box body; the connecting assembly comprises a lifting frame assembly, a telescopic sleeve arm and a cross arm assembly, the lifting frame assembly is hinged to the longitudinal beam assembly, the lifting frame assembly is sleeved with the telescopic sleeve arm, and the cross arm assembly is connected with the top of the telescopic sleeve arm; the hook arm assembly comprises a main oil cylinder, a hook arm and sleeve arm assembly and a hook head assembly, the portion, close to the bottom, of the side wall of the main oil cylinder is connected with the cross arm assembly, the hook arm and sleeve arm assembly is arranged on the main oil cylinder, the hook head assembly is arranged on the hook arm and sleeve arm assembly, and the hook arm and sleeve arm assembly is connected with the oil cylinder base assembly. By arranging the longitudinal beam assembly, the connecting assembly and the hook arm assembly, the working efficiency and the environmental protection performance are improved, the safety is enhanced, and different requirements can be met.

Description

Technical Field

[0001] The invention relates to the technical field of special sanitation vehicles, and more particularly to an intelligent protection device for a hydraulic system of a hook-arm garbage truck. Background Art

[0002] Hook-arm garbage truck, also known as unloadable garbage truck, is mainly used for collecting and transporting various garbage in various places such as municipal sanitation, property management, large factories, industrial and mining areas.

[0003] At present, the loading and unloading process of traditional hook-arm garbage trucks usually requires manual operation, which is not only labor-intensive but also inefficient; during the loading and unloading process of manually operated hook-arm garbage trucks, operational errors are prone to occur, such as collisions, falling, etc., posing safety hazards to operators and surrounding personnel; during the loading and unloading process of traditional hook-arm garbage trucks, garbage leakage is prone to occur, causing pollution to the environment.

[0004] Therefore, how to provide an intelligent protection device for the hydraulic system of a hook-arm garbage truck with improved work efficiency and environmental protection performance, enhanced safety, and capable of adapting to different needs is a problem that technical personnel in this field urgently need to solve. Summary of the invention

[0005] In view of this, the present invention provides an intelligent protection device for the hydraulic system of a hook-arm garbage truck, aiming to solve one of the problems in the above-mentioned background technology, improve work efficiency and environmental protection performance, enhance safety, and be able to adapt to different needs.

[0006] In order to achieve the above object, the present invention adopts the following technical solution:

[0007] An intelligent protection device for a hydraulic system of a hook-arm garbage truck, comprising:

[0008] A longitudinal beam assembly, comprising a longitudinal beam assembly, a cylinder seat assembly, a garbage bin bracket assembly, a longitudinal beam roller assembly and an introduction wheel, wherein the longitudinal beam assembly is arranged on the top of the garbage truck body, and the cylinder seat assembly, the garbage bin bracket assembly, the longitudinal beam roller assembly and the introduction wheel are arranged on the longitudinal beam assembly in sequence from front to back;

[0009] A connecting assembly, comprising a lifting frame assembly, a telescopic sleeve arm and a cross arm assembly, wherein one end of the lifting frame assembly is hinged to the longitudinal beam assembly, the telescopic sleeve arm is arranged on the lifting frame assembly, and the cross arm assembly is connected to the top of the telescopic sleeve arm;

[0010] The hook arm assembly includes a main oil cylinder, a hook arm sleeve arm assembly and a hook head assembly. The bottom of the main oil cylinder is hinged to the cross arm assembly, the hook arm sleeve arm assembly is arranged on the main oil cylinder, the hook head assembly is arranged on the hook arm sleeve arm assembly, and the front end of the hook arm sleeve arm assembly is connected to the cylinder seat assembly through a fixing pin.

[0011] Furthermore, it also includes a control component, which includes a control box, an electric control box group and a pressure relay. The control box is arranged at one end of the top of the longitudinal beam assembly away from the introduction wheel, the electric control box group is arranged in the control box, and a card slot is provided on the control box, and the pressure relay is arranged in the card slot.

[0012] Furthermore, it also includes a valve assembly, which includes a valve block, a solenoid valve and a relief valve. The valve block is fixed on the main oil cylinder, the solenoid valve is arranged on the top of the valve block, and the relief valve and the solenoid valve form a whole.

[0013] Furthermore, the valve assembly also includes a hydraulic buffer valve, and the hydraulic buffer valve is arranged at one end of the master cylinder close to the valve block.

[0014] Furthermore, it also includes an arc proximity switch, and the arc proximity switch is arranged on the telescopic sleeve arm.

[0015] Furthermore, the connecting component also includes a vehicle trunk lock assembly, which is arranged on the lifting frame assembly and is arranged near the hinge between the lifting frame assembly and the longitudinal beam assembly. A rear lock proximity switch is provided on the vehicle trunk lock assembly.

[0016] Furthermore, the telescopic sleeve arm is configured as an integrated structure formed by laser welding between two hollow sleeve arms.

[0017] Furthermore, main arm brackets are provided on both sides of the telescopic arm.

[0018] It can be seen from the above technical solutions that, compared with the prior art, the present invention discloses an intelligent protection device for the hydraulic system of a hook-arm garbage truck, which has the following beneficial effects:

[0019] 1. Improve work efficiency

[0020] 1. Automated operation: This device is equipped with longitudinal beam components, connecting components and hook arm components to perform intelligent packing and unloading. Through automation technology, the entire process is automatically controlled, greatly improving work efficiency;

[0021] 2. Continuous operation: It can realize continuous operation without frequent manual intervention, which enables the device to collect and transport garbage more efficiently and meet the needs of urban garbage disposal;

[0022] 2. Enhance safety and reduce human errors: When manually operating a hook-arm garbage truck to load and unload boxes, it is easy to make operational errors, such as collisions and falls, which bring safety hazards to operators and surrounding personnel. Intelligent automation reduces the occurrence of human errors and improves operational safety through precise control and monitoring;

[0023] 3. Improve environmental performance

[0024] 1. Reduce garbage leakage: Through optimized design and sealing measures, the possibility of garbage leakage is reduced and the environment is protected;

[0025] 2. Energy saving and emission reduction: The automated operation and optimized design of intelligent loading and unloading devices can reduce energy consumption and exhaust emissions, meeting the requirements of energy saving and emission reduction. It helps reduce the cost of garbage disposal and also contributes to environmental protection;

[0026] 4. Adapt to different needs and strong versatility: The intelligent device can adapt to different types and sizes of hook-arm garbage trucks and garbage boxes, and has strong versatility, which makes it widely used in different cities and regions to meet the needs of different users;

[0027] The device has a simple structure and a compact layout, requires little installation space, greatly improves the service life of the main oil cylinder, prevents the oil cylinder from violent impact, can be accelerated under the action of the pressure relay, and can shorten the operation time under the action of the rear lock proximity switch and the arc proximity switch, thereby better improving work efficiency, preventing equipment damage caused by misoperation, and greatly reducing safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0029] Figure 1 A schematic diagram of the structure of the intelligent protection device for the hydraulic system of a hook-arm garbage truck provided by the present invention;

[0030] Figure 2 A structural schematic diagram of the intelligent protection device for the hydraulic system of a hook-arm garbage truck provided by the present invention (rotation of the connection assembly);

[0031] Figure 3 A structural schematic diagram of the intelligent protection device for the hydraulic system of a hook-arm garbage truck provided by the present invention (extension of the telescopic sleeve arm);

[0032] Figure 4This is a schematic diagram of the bottom structure of the intelligent protection device for the hydraulic system of a hook-arm garbage truck provided by the present invention.

[0033] Among them: 1 is the longitudinal beam assembly; 2 is the oil cylinder seat assembly; 3 is the garbage bin bracket assembly; 4 is the longitudinal beam roller assembly; 5 is the guide wheel; 6 is the lifting frame assembly; 7 is the telescopic sleeve arm; 8 is the cross arm assembly; 9 is the main oil cylinder; 10 is the hook arm sleeve arm assembly; 11 is the hook head assembly; 12 is the control box; 13 is the electric control box group; 14 is the pressure relay; 15 is the valve block; 16 is the solenoid valve; 17 is the overflow valve; 18 is the hydraulic buffer valve; 19 is the arc proximity switch; 20 is the car box lock assembly; 21 is the rear lock proximity switch; 22 is the main arm bracket. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] See also Figure 1-4 The embodiment of the present invention discloses an intelligent protection device for the hydraulic system of a hook-arm garbage truck, comprising:

[0036] The longitudinal beam assembly includes a longitudinal beam assembly 1, a cylinder seat assembly 2, a garbage bin bracket assembly 3, a longitudinal beam roller assembly 4 and an introduction wheel 5. The longitudinal beam assembly 1 is arranged on the top of the garbage truck body, and the cylinder seat assembly 2, the garbage bin bracket assembly 3, the longitudinal beam roller assembly 4 and the introduction wheel 5 are arranged on the longitudinal beam assembly 1 from front to back in sequence; the cylinder seat assembly 2 is connected to the front of the hook arm sleeve arm assembly 10 through a fixing pin, and the hook arm sleeve arm assembly 10 is lifted with the cylinder seat assembly 2 as a fulcrum to realize the lifting of the garbage bin by gravity. Unload the garbage in the garbage bin; the garbage bin bracket assembly 3 is composed of four points, which are the support points after the garbage bin body is put on the vehicle, and cooperate with the vehicle lock assembly 20 to fix the garbage bin to prevent it from sliding forward and backward and uneven height left and right during the driving of the vehicle; the longitudinal beam roller assembly 4 is also used as an auxiliary fulcrum after the garbage bin is put on the vehicle, mainly by installing a pulley to facilitate the forward and backward movement of the garbage bin; the inner side of the introduction wheel 5 is a cone, which facilitates the smooth alignment of the front part of the garbage bin body when there is a deviation to the left and right, and prevents the garbage bin from deviating to the left and right;

[0037] The connecting assembly includes a lifting frame assembly 6, a telescopic sleeve arm 7 and a cross arm assembly 8. One end of the lifting frame assembly 6 is hinged to the longitudinal beam assembly 1, the telescopic sleeve arm is sleeved on the lifting frame assembly 6, and the cross arm assembly 8 is connected to the top of the telescopic sleeve arm; the self-unloading of the garbage bin is completed by lifting the oil cylinder of the lifting frame assembly 6;

[0038] The hook arm assembly includes a main oil cylinder 9, a hook arm sleeve arm assembly 10 and a hook head assembly 11. The side wall of the main oil cylinder 9 is connected to the cross arm assembly 8 near the bottom. The hook arm sleeve arm assembly is arranged on the main oil cylinder 9. The hook head assembly 11 is arranged on the hook arm sleeve arm assembly. The front end of the hook arm sleeve arm assembly 10 is connected to the cylinder seat assembly 2 through a fixing pin; the hook head assembly 11 is welded in the hook arm sleeve arm assembly 10, and the entire hook head assembly 11 can be extended and retracted forward and backward through the hook arm sleeve arm assembly.

[0039] In this embodiment, a control component is also included, which includes a control box 12, an electric control box group 13 and a pressure relay 14. The control box 12 is arranged at one end of the top of the longitudinal beam assembly 1 away from the introduction wheel 5, and the electric control box group 13 is arranged in the control box 12. The control box 12 is provided with a slot, and the pressure relay 14 is arranged in the slot; the electric control box group 13 is fixed in the control box 12 with screws.

[0040] In the present embodiment, a valve assembly is also included, which includes a valve block 15, a solenoid valve 16 and a relief valve 17. The valve block 15 is fixed on the main oil cylinder 9, and the solenoid valve 16 is arranged at the top of the valve block 15. The relief valve 17 and the solenoid valve 16 form a whole; the valve block 15 is fixed on the main oil cylinder 9 by hexagon socket screws, and the solenoid valve 16 is fixed to the top of the valve block 15 by screws. An oil return channel, an oil replenishment channel and a load-unloading safety channel are arranged in the valve block 15. The oil return channel connects the main oil circuit system and the main oil return port. By integrating a valve group with various functions, the functions of oil return, oil replenishment and load unloading are realized; through the buffering effect controlled by the solenoid valve 16, the main oil cylinder 9 in the system can be smoothly decelerated or stopped during movement.

[0041] In this embodiment, the valve assembly also includes a hydraulic buffer valve 18, which is arranged at one end of the main oil cylinder 9 close to the valve block 15; the hydraulic buffer valve 18 is installed at the rear end of the solenoid valve 16 by screws, and the working principle of the hydraulic buffer valve 18 is to control and reduce the flow of the main oil cylinder 9 by automatically adjusting the opening of the valve core through the closing of the sensor, thereby achieving a buffering effect.

[0042] In this embodiment, an arc proximity switch 19 is also included, which is arranged on the telescopic sleeve arm 7; the welded tail of the arc proximity switch 19 is fixed with a screw hole, and the sensing position of the rear lock proximity switch 21 can be adjusted.

[0043] In this embodiment, the connecting component also includes a carriage lock assembly 20, which is arranged on the lifting frame assembly 6, and the carriage lock assembly 20 is arranged near the hinge between the lifting frame assembly 6 and the longitudinal beam assembly 1, and a rear lock proximity switch 21 is provided on the carriage lock assembly 20; the switch sensing of the rear lock proximity switch 21 is not turned on, and other functions of the telescopic arm 7 are unavailable to prevent the box from slipping due to misoperation; before the garbage bin body is lifted, the carriage lock assembly 20 locks the garbage bin body in the corresponding locking groove to prevent the garbage bin body from slipping and causing an accident.

[0044] In this embodiment, the telescopic sleeve arm 7 is configured as an integrated structure formed by laser welding between two hollow sleeve arms; the telescopic sleeve arm 7 is composed of a high-strength plate to prevent deformation.

[0045] In this embodiment, main arm brackets 22 are provided on both sides of the telescopic arm 7 to assist in smoothly lifting the trash bin body when the trash bin is lifted, and prevent the trash bin body from tilting left and right and causing sideways tilt.

[0046] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0047] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An intelligent protection device for the hydraulic system of a hook-arm garbage truck, characterized in that: include: A longitudinal beam assembly, comprising a longitudinal beam assembly, a cylinder seat assembly, a garbage bin bracket assembly, a longitudinal beam roller assembly and an introduction wheel, wherein the longitudinal beam assembly is arranged on the top of the garbage truck body, and the cylinder seat assembly, the garbage bin bracket assembly, the longitudinal beam roller assembly and the introduction wheel are arranged on the longitudinal beam assembly in sequence from front to back; A connecting assembly, comprising a lifting frame assembly, a telescopic sleeve arm and a cross arm assembly, wherein one end of the lifting frame assembly is hinged to the longitudinal beam assembly, the telescopic sleeve arm is sleeved on the lifting frame assembly, and the cross arm assembly is connected to the top of the telescopic sleeve arm; The hook arm assembly includes a main oil cylinder, a hook arm sleeve arm assembly and a hook head assembly. The bottom of the main oil cylinder is hinged to the cross arm assembly, the hook arm sleeve arm assembly is arranged on the main oil cylinder, the hook head assembly is arranged on the hook arm sleeve arm assembly, and the front end of the hook arm sleeve arm assembly is connected to the cylinder seat assembly through a fixing pin.

2. According to claim 1, the intelligent protection device for the hydraulic system of a hook-arm garbage truck is characterized in that: It also includes a control component, which includes a control box, an electric control box group and a pressure relay. The control box is arranged at one end of the top of the longitudinal beam assembly away from the introduction wheel, the electric control box group is arranged in the control box, and a card slot is provided on the control box, and the pressure relay is arranged in the card slot.

3. The intelligent protection device for the hydraulic system of a hook-arm garbage truck according to claim 1 is characterized in that: It also includes a valve assembly, which includes a valve block, a solenoid valve and a relief valve. The valve block is fixed on the main oil cylinder, the solenoid valve is arranged on the top of the valve block, and the relief valve and the solenoid valve form a whole.

4. The intelligent protection device for the hydraulic system of a hook-arm garbage truck according to claim 3 is characterized in that: The valve assembly further comprises a hydraulic buffer valve, which is arranged at one end of the master cylinder close to the valve block.

5. The intelligent protection device for the hydraulic system of a hook-arm garbage truck according to claim 1 is characterized in that: It also includes an arc proximity switch, which is arranged on the telescopic sleeve arm.

6. The intelligent protection device for the hydraulic system of a hook-arm garbage truck according to claim 1 is characterized in that: The connecting component also includes a vehicle box lock assembly, which is arranged on the lifting frame assembly and is arranged close to the hinge between the lifting frame assembly and the longitudinal beam assembly. The vehicle box lock assembly is provided with a rear lock proximity switch.

7. The intelligent protection device for the hydraulic system of a hook-arm garbage truck according to claim 1 is characterized in that: The telescopic sleeve arm is configured as an integrated structure formed by laser welding between two hollow sleeve arms.

8. The intelligent protection device for the hydraulic system of a hook-arm garbage truck according to claim 1 is characterized in that: Main arm brackets are arranged on both sides of the telescopic sleeve arm.

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