CN216943264U

CN216943264U - Trailer steering hydraulic system

Info

Publication number: CN216943264U
Application number: CN202123408690.9U
Authority: CN
Inventors: 樊官伦; 伍泽军; 石鹏
Original assignee: Sichuan Fujun Automobile Manufacturing Co ltd
Current assignee: Sichuan Fujun Automobile Manufacturing Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-12
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a steering hydraulic system of a trailer, and belongs to the field of trailers. A trailer steering hydraulic system comprises a frame, wherein a recovery filtering mechanism is arranged at the bottom of the frame and comprises a recovery box, the recovery box is fixedly arranged at the bottom of the frame, a filtering box is fixedly connected to one side of the recovery box, the top of the filtering box is rotatably connected with a first reciprocating screw rod, a filtering screen mounting plate is inserted into the bottom of one side of the filtering box, a filtering screen is arranged inside the filtering screen mounting plate, an inflator is fixedly arranged at one side of the recovery box, and the top of the inflator is rotatably connected with a second reciprocating screw rod; by arranging the recovery box, the filter box, the inflator and other structural components, compared with the common technology, the device can collect the dripping lubricating oil and filter the collected lubricating oil, thereby saving time and labor, facilitating the subsequent secondary use and greatly reducing the waste of resources.

Description

Trailer steering hydraulic system

Technical Field

The utility model relates to the technical field of trailers, in particular to a steering hydraulic system of a trailer.

Background

The trailer is a trailer which is placed behind the centre of gravity of the vehicle and which is equipped with a coupling device for transmitting horizontal and vertical forces to the tractor vehicle, and which has an irreplaceable importance in increasing the running stability and the load-bearing capacity of the vehicle.

However, the conventional trailer steering mechanism is short in service life and needs to be maintained and replaced frequently, and because the trailer generally bears heavy goods, the load of internal parts is large during steering, lubricating oil needs to be applied frequently and manually, time and labor are wasted, and the waste amount of the lubricating oil is huge, the trailer steering hydraulic system is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem of huge waste of lubricating oil in the prior art, and provides a trailer steering hydraulic system.

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

a trailer steering hydraulic system comprises a frame, wherein a recovery filtering mechanism is arranged at the bottom of the frame and comprises a recovery box, the recovery box is fixedly arranged at the bottom of the frame, a filtering box is fixedly connected to one side of the recovery box, the top of the filtering box is rotatably connected with a first reciprocating screw rod, a filtering screen mounting plate is inserted into the bottom of one side of the filtering box, a filtering screen is arranged inside the filtering screen mounting plate, an inflator is fixedly arranged at one side of the recovery box, the top of the inflator is rotatably connected with a second reciprocating screw rod, the top end of the second reciprocating screw rod and the top end of the first reciprocating screw rod are both fixedly connected with a second bevel gear, and a moving plate is slidably connected to the surface of the second reciprocating screw rod and the surface of the first reciprocating screw rod; a first through hole and a second through hole are formed in one side of the recovery box adjacent to the filter box in a penetrating mode, and a third through hole is formed in one side of the recovery box adjacent to the inflator in a penetrating mode; an air inlet hole is formed in one side of each of the filter box and the inflator in a penetrating manner, and a first one-way valve is arranged inside the air inlet hole; a backflow hole is formed in the surface of the moving plate in a penetrating mode, and a second one-way valve is arranged inside the backflow hole.

In order to realize consignment, preferably, the bottom of the frame is rotatably connected with four wheel shafts, and one end of each wheel shaft is fixedly connected with a wheel.

In order to realize transmission, preferably, one end of each of the two wheel shafts is fixedly connected with a first bevel gear.

In order to further realize transmission, preferably, the two second bevel gears are respectively meshed with the two first bevel gears.

In order to realize driving, preferably, an oil cylinder is fixedly installed between two inner sides of the frame, a piston plate is slidably connected inside the oil cylinder, installation rods are fixedly connected to two sides of the piston plate, a steering motor is fixedly connected between one ends of the two installation rods, and an output shaft of the steering motor is fixedly connected with a connecting piece.

In order to realize steering, the connecting piece is preferably provided with a tooth socket matched with the first bevel gear.

In order to realize the recovery of the lubricating oil, the top of the recovery box is preferably bent to form a funnel mouth; and a guide plate is fixedly arranged in the recovery box.

In order to further realize the recovery of the lubricating oil, preferably, oil inlet pipes are respectively installed at two ends of the surface of the oil cylinder in a penetrating manner, and both the oil inlet pipes are connected with hydraulic parts.

In order to realize the backflow, preferably, a backflow pipe is installed on both sides of the air cylinder in a penetrating manner, and one end of the backflow pipe is fixedly connected with a nozzle.

For lubrication, preferably, two of the nozzles are in contact with two of the first bevel gears, respectively.

Compared with the prior art, the utility model provides a trailer steering hydraulic system, which has the following beneficial effects:

this trailer turns to hydraulic system through setting up constitutional components such as collection box, rose box and inflator for this device can be collected dripping lubricating oil for general technique, and filters the lubricating oil of collecting, and labour saving and time saving makes things convenient for follow-up secondary to the waste of the resource that has significantly reduced.

The device has the advantages of simple structure, low manufacturing cost and suitability for mass production, can be used for secondarily utilizing the lubricating oil, and utilizes the rolling force to realize the filtration and the recovery of the lubricating oil.

Drawings

Fig. 1 is a schematic top view of a trailer steering hydraulic system according to the present invention;

FIG. 2 is a schematic diagram of the internal structure of a recovery tank of a trailer steering hydraulic system according to the present invention;

fig. 3 is a schematic structural diagram of the interior of an oil cylinder of a trailer steering hydraulic system provided by the utility model.

In the figure: 1. a frame; 2. a wheel axle; 3. a wheel; 4. a first bevel gear; 5. an oil cylinder; 501. an oil inlet pipe; 6. a piston plate; 7. mounting a rod; 8. a steering motor; 9. a connecting member; 10. A recovery filtering mechanism; 11. a recycling bin; 1101. a funnel mouth; 1102. a guide plate; 12. a filter box; 13. a first reciprocating screw rod; 14. a second bevel gear; 15. moving the plate; 16. a filter screen mounting plate; 17. filtering with a screen; 18. a first through hole; 1801. a second through hole; 1802. a third through hole; 19. an air cylinder; 20. a second reciprocating screw rod; 21. an air inlet; 22. a first check valve; 23. A return orifice; 24. a second one-way valve; 25. a return pipe; 26. and (4) a nozzle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-3, a trailer steering hydraulic system comprises a frame 1, a recovery filtering mechanism 10 is arranged at the bottom of the frame 1, the recovery filtering mechanism 10 comprises a recovery tank 11, the recovery tank 11 is fixedly arranged at the bottom of the frame 1, a filtering tank 12 is fixedly connected to one side of the recovery tank 11, a first reciprocating screw rod 13 is rotatably connected to the top of the filtering tank 12, a filter screen mounting plate 16 is inserted into the bottom of one side of the filtering tank 12, a filter screen 17 is arranged inside the filter screen mounting plate 16, an air cylinder 19 is fixedly arranged at one side of the recovery tank 11, a second reciprocating screw rod 20 is rotatably connected to the top of the air cylinder 19, a second bevel gear 14 is fixedly connected to the top of the second reciprocating screw rod 20 and the top of the first reciprocating screw rod 13, and a second reciprocating screw rod 20 and a first reciprocating screw rod 13 are slidably connected to the surface of the second reciprocating screw rod 20 and the surface of the first reciprocating screw rod 13; a first through hole 18 and a second through hole 1801 are formed through one side of the recovery box 11 adjacent to the filter box 12, and a third through hole 1802 is formed through one side of the recovery box 11 adjacent to the air cylinder 19; one side of the filter box 12 and one side of the air cylinder 19 are both provided with an air inlet 21 in a penetrating way, and a first check valve 22 is arranged inside the air inlet 21; a backflow hole 23 penetrates through the surface of the moving plate 15, a second one-way valve 24 is arranged inside the backflow hole 23, and the filter screen mounting plate 16 can be detached, so that the filter screen 17 can be conveniently replaced and processed subsequently.

Specifically, the bottom of the frame 1 is rotatably connected with four wheel shafts 2, and one ends of the wheel shafts 2 are fixedly connected with wheels 3 for realizing movement.

Specifically, one end of each of the two wheel shafts 2 is fixedly and uniformly connected with a first bevel gear 4.

Specifically, two second bevel gears 14 are respectively engaged with two first bevel gears 4, and pressurization and filtration are subsequently realized by utilizing the rotating force of the wheel 3.

Specifically, fixed mounting has an oil cylinder 5 between the two inboards of frame 1, the inside sliding connection of oil cylinder 5 has piston plate 6, the equal fixedly connected with installation pole 7 in both sides of piston plate 6, fixedly connected with turns to motor 8 between the adjacent one end of two installation poles 7, the output shaft fixedly connected with connecting piece 9 that turns to motor 8, when needs turn to, through controlling corresponding hydraulic part, thereby make to turn to about motor 8, until connecting piece 9 and first bevel gear 4 meshing, when connecting piece 9 meshes with one of them first bevel gear 4, wheel 3 slew velocity on it increases promptly, realize helping frame 1 to turn to promptly.

Specifically, the connecting piece 9 is provided with a tooth socket matched with the first bevel gear 4, so that the connecting piece 9 can drive the first bevel gear 4 to rotate conveniently, the rotating speed of one of the wheels 3 is increased, and steering is achieved.

Specifically, the top of the recycling bin 11 is bent to form a funnel mouth 1101; the inside fixed mounting of collection box 11 has deflector 1102, conveniently retrieves waste oil.

Specifically, the two ends of the surface of the oil cylinder 5 are both provided with the oil inlet pipes 501 in a penetrating manner, the two oil inlet pipes 501 are both connected with hydraulic parts, the hydraulic parts are in the prior art, and steering is realized by controlling the corresponding hydraulic parts without much description.

Specifically, return pipes 25 are installed through both sides of the cylinder 19, a nozzle 26 is fixedly connected to one end of the return pipe 25, and the filtered oil is sprayed to the first bevel gear 4 through the return pipe 25 and the nozzle 26, thereby performing secondary lubrication.

Specifically, two nozzles 26 are respectively in contact with two first bevel gears 4.

In the utility model, when steering is needed, the steering motor 8 is moved left and right by controlling the corresponding hydraulic part until the connecting part 9 is meshed with the first bevel gears 4, when the connecting part 9 is meshed with one of the first bevel gears 4, the rotating speed of the wheels 3 on the connecting part is increased, thus realizing the purpose of assisting the steering of the frame 1, compared with the common technology, the device can collect the dropped lubricating oil, filter the collected lubricating oil for secondary use, thereby greatly reducing the waste of resources, when in use, the lubricating oil on the first bevel gear 4 drops, the lubricating oil drops to the top surface of the recovery box 11, slides to the inside of the recovery box 11 along the funnel mouth 1101 under the action of gravity, drops into the inside of the filter box 12 through the first through hole 18, and simultaneously the first reciprocating screw rod 13 is driven by the first bevel gear 4, the moving plate 15 moves up and down along the surface of the first reciprocating screw rod 13, when the movable plate 15 moves downwards until the lower edge of the first through hole 18 is missed, the lower half part of the filter box 12 is a semi-closed space, the movable plate 15 extrudes hydraulic oil to pass through the filter screen 17, so that scrap metal and sludge in the lubricating oil are filtered out, the filtered lubricating oil enters the interior of the air cylinder 19 through the second through hole 1801 and the third through hole 1802, the second reciprocating screw rod 20 rotates at the same time, the movable plate 15 on the second reciprocating screw rod 20 also performs reciprocating linear motion, when the movable plate 15 on the second reciprocating screw rod 20 moves downwards until the lower edge of the third through hole 1802 is missed, the lubricating oil extruding the bottom of the air cylinder 19 is sprayed out through the nozzle 26 through the return pipe 25, the first bevel gear 4 is lubricated for secondary utilization, when the movable plate 15 moves upwards, the space at the top of the movable plate 15 becomes smaller continuously, the second one-way valve 24 at the top of the movable plate 15 opens, and the lubricating oil at the top of the movable plate 15 flows into the filter box 12 and the air cylinder through the second one-way valve 24 The bottom of the cylinder 19, as the moving plate 15 continues to move upwards until it approaches the inlet hole 21, the first check valve 22 opens and air enters the interior of the cylinder 19 through the return hole 23, reciprocating in such a way as to perform filtering and pressurization.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a trailer steering hydraulic system, includes frame (1), its characterized in that, the bottom of frame (1) is equipped with retrieves filter mechanism (10), retrieve filter mechanism (10) including collection box (11), collection box (11) fixed mounting be in the bottom of frame (1), and one side fixedly connected with rose box (12) of collection box (11), the top of rose box (12) is rotated and is connected with first reciprocal lead screw (13), and the bottom cartridge of one side of rose box (12) has filter screen mounting panel (16), the inside of filter screen mounting panel (16) is equipped with filter screen (17), one side fixed mounting of collection box (11) has inflator (19), the top of inflator (19) is rotated and is connected with second reciprocal lead screw (20), the top of the reciprocal lead screw of second (20) and the equal fixedly connected with second bevel gear (14) in top of the reciprocal lead screw of first reciprocal lead screw (13), the surface of the second reciprocating screw rod (20) and the surface of the first reciprocating screw rod (13) are both connected with a moving plate (15) in a sliding way; a first through hole (18) and a second through hole (1801) are formed in the adjacent side of the recovery box (11) and the filter box (12) in a penetrating mode, and a third through hole (1802) is formed in the adjacent side of one side of the recovery box (11) and the air cylinder (19) in a penetrating mode; one side of the filter box (12) and one side of the inflator (19) are both provided with an air inlet hole (21) in a penetrating manner, and a first one-way valve (22) is arranged inside the air inlet hole (21); a backflow hole (23) penetrates through the surface of the moving plate (15), and a second one-way valve (24) is arranged inside the backflow hole (23).

2. A trailer steering hydraulic system according to claim 1, characterized in that four wheel shafts (2) are rotatably connected to the bottom of the frame (1), and wheels (3) are fixedly connected to one end of the wheel shafts (2).

3. A trailer steering hydraulic system according to claim 2, characterised in that one end of both of the axles (2) is fixedly connected with a first bevel gear (4).

4. A trailer steering hydraulic system according to claim 3, characterised in that two said second bevel gears (14) are in engagement with two said first bevel gears (4), respectively.

5. A trailer steering hydraulic system according to claim 3, characterized in that an oil cylinder (5) is fixedly installed between two inner sides of the vehicle frame (1), a piston plate (6) is slidably connected inside the oil cylinder (5), mounting rods (7) are fixedly connected to both sides of the piston plate (6), a steering motor (8) is fixedly connected between adjacent ends of the two mounting rods (7), and a connecting piece (9) is fixedly connected to an output shaft of the steering motor (8).

6. A trailer steering hydraulic system as claimed in claim 5, characterised in that the coupling piece (9) is provided with a tooth socket matching the first bevel gear (4).

7. A trailer steering hydraulic system as claimed in claim 1, characterised in that the top of the recovery tank (11) is bent to form a funnel mouth (1101); and a guide plate (1102) is fixedly arranged in the recovery box (11).

8. A trailer steering hydraulic system according to claim 5, characterized in that two ends of the surface of the oil cylinder (5) are provided with oil inlet pipes (501) in a penetrating way, and hydraulic parts are connected with the two oil inlet pipes (501).

9. A trailer steering hydraulic system as claimed in claim 3, characterised in that a return pipe (25) is mounted through both sides of the gas cylinder (19), one end of the return pipe (25) being fixedly connected to a nozzle (26).

10. A trailer steering hydraulic system according to claim 9, characterised in that two of said nozzles (26) are in contact with two of said first angle gears (4), respectively.