CN212992956U - Adjusting device of light amphibious multifunctional working machine for constructed wetland - Google Patents

Abstract

An adjusting device of a light amphibious multifunctional working machine of an artificial wetland relates to the field of agricultural machinery, and comprises a limiting seat, an inclined oil cylinder, a driving arm, a movable arm oil cylinder and a quick-change connector; the inclined oil cylinder and the movable arm oil cylinder are identical in structure and respectively comprise a cylinder barrel, a piston and a piston rod, a speed reduction oil duct is arranged on the rear end face of the piston and is in a winding and zigzag shape, an oil through groove and an orifice are formed in the piston, and a rodless cavity, the oil through groove, the speed reduction channel, the orifice and a rod cavity are communicated; set up a locking section of thick bamboo on the front end lid, a locking section of thick bamboo includes barrel and bobbin base, sets up many lamella latch segments, a locking piston, spring between the barrel of a locking section of thick bamboo and piston rod, sets up frustum shape cavity in the rear end of locking piston, and many lamella latch segments enclose into big back little frustum shape in the front and set up in frustum shape cavity, and the spring setting sets up the unblock hydraulic fluid port that accesss to a locking section of thick bamboo between the bobbin base of locking piston and a locking section of thick bamboo on the front end lid. The oil cylinder is stable in stretching and can be locked for a long time.

Description

Adjusting device of light amphibious multifunctional working machine for constructed wetland

Technical Field

The utility model relates to the field of agricultural machinery, especially, relate to the structure of the light-duty amphibious formula multifunctional working machine of constructed wetland.

Background

The existing light amphibious multifunctional working machine for the artificial wetland has the publication number of CN210352207U and the patent number of 201921341070.8. The working machine mainly comprises a walking chassis, a crawler belt, a frame, an intelligent control room, an adjusting device and a working device, wherein the adjusting device comprises a limiting seat, a first hydraulic telescopic rod (an inclined oil cylinder), a first support arm, a driving wall, a second support arm, a second hydraulic telescopic rod (a movable arm oil cylinder) and a quick-change connector. Because the inclined oil cylinder and the movable arm oil cylinder adopt common oil cylinders, the following defects are mainly existed: firstly, the oil cylinder is too fast to extend, in order to control the extending speed, a small hole is generally drilled at the side of a rodless cavity of the piston and communicated with the bottom of a sealing element (O-shaped ring), and the diameter of the communicated small hole (orifice) is used for controlling the extending speed. When low speed stretching is required, the orifice design is too small to be easily machined. If the terminal is required to be oiled and buffered, the speed change is too large, and phenomena such as jamming and crawling can occur in severe cases. And secondly, when the adjusting device keeps a certain angle for a long time, the oil cylinder does not have a locking function and can only be controlled by the valve block, and the locking is unstable.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, providing an adjusting device of a light amphibious multifunctional working machine for artificial wetland, wherein an oil cylinder is stable in stretching and can be locked for a long time.

The purpose of the utility model is realized like this: the adjusting device of the light amphibious multifunctional working machine of the constructed wetland comprises a limiting seat, an inclined oil cylinder, a driving arm, a movable arm oil cylinder and a quick-change connector; one end of the driving arm is hinged with the limiting seat, the other end of the driving arm is hinged with the quick-change connector, one end of the inclined oil cylinder is hinged with the limiting seat, the other end of the inclined oil cylinder is hinged with the driving arm, one end of the movable arm oil cylinder is hinged with the driving arm, and the other end of the movable arm oil cylinder is hinged with the quick-change connector; the inclined oil cylinder and the movable arm oil cylinder are identical in structure and respectively comprise a cylinder barrel, a piston and a piston rod, the front end of the cylinder barrel is connected with a front end cover, the front end cover is provided with a rod cylinder oil port, the rear end of the cylinder barrel is connected with a rear end cover, the rear end cover is provided with a rodless cavity oil port, the piston is arranged in the cylinder barrel, the rear end of the piston rod is connected with the piston, the front end of the piston rod extends out of the front end cover, and the cylinder barrel is divided into a rod cavity and a rodless cavity; the rear end face of the piston is provided with a deceleration oil duct which is in a tortuous shape, the rear end of the piston is connected with a cover plate, the cover plate covers a deceleration channel, the piston is provided with an oil through groove and an orifice, and the rodless cavity, the oil through groove, the deceleration channel, the orifice and the rod cavity are communicated; the front end cover is provided with a locking barrel, the locking barrel comprises a barrel body and a barrel bottom, the piston rod extends out of the barrel bottom of the locking barrel, a multi-petal locking block, a locking piston and a spring are arranged between the barrel body and the piston rod of the locking barrel, the rear end of the locking piston is provided with a frustum-shaped cavity with a small front part and a large rear part, the multi-petal locking block is enclosed into a frustum shape with a small front part and a large rear part and is arranged in the frustum-shaped cavity of the locking piston, and the rear end of the locking block is connected with the front end cover; the spring sets up between the barrel head of the front end of locking piston and locking cylinder, sets up the unblock hydraulic fluid port that leads to the locking cylinder on the front end lid.

The utility model discloses an above design, have following two points: firstly, hydraulic oil enters an oil through groove, a speed reduction channel, a throttling hole and a rod cavity from a rodless cavity, the hydraulic oil which needs to flow through the throttling hole is firstly buffered by a circuitous flow passage, and the throttling hole does not need to be designed to be too small any more, so that the purpose of good throttling and speed reduction can be achieved. In the case that the orifice is not small, the phenomenon of blocking and creeping does not occur when the liquid is buffered when the orifice is extended to the terminal. When the oil cylinder needs to be locked, the spring pushes the locking piston to move backwards to extrude the multi-petal locking block, so that the multi-petal locking block tightly holds the piston rod, and the locking function is realized; when unlocking is carried out, the oil is fed from the unlocking oil port to push the locking piston to move forwards, the multi-disc locking block is loosened, and the piston rod is telescopic.

The utility model discloses a cylinder external connection energy storage section of thick bamboo sets up the energy storage piston between energy storage section of thick bamboo and cylinder, and the space separation that the energy storage piston will be between energy storage section of thick bamboo and the cylinder becomes energy storage air cavity and energy storage oil pocket set up the inflation valve that is linked together with the energy storage air cavity on the front end housing set up the energy storage oil duct on the rear end housing, hold rodless chamber and the energy storage oil pocket that leads to oil duct intercommunication cylinder. The nitrogen gas with certain pressure is filled into the energy storage gas cavity in advance, and then the charging valve is closed, and a gas source is not required to be provided in the working process. When the rodless cavity returns oil, hydraulic oil enters the energy storage oil cavity, and gas in the energy storage gas cavity is compressed; when the rodless cavity is filled with oil, nitrogen is released, and hydraulic oil is pressed into the rodless cavity from the energy storage oil cavity.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a first structural schematic diagram of the tilt cylinder of fig. 1.

Fig. 3 is a view from a-a in fig. 2.

Fig. 4 is a view from B-B in fig. 2.

Fig. 5 is a second structural schematic diagram of the tilt cylinder of fig. 1.

Fig. 6 is a schematic view of the application of the present invention.

Detailed Description

Example 1

As shown in fig. 1-4, the adjusting device for the artificial wetland light amphibious multifunctional working machine comprises a limiting seat 1, an inclined oil cylinder 2, a driving arm 3, a movable arm oil cylinder 4 and a quick-change connector 5. One end of the driving arm 3 is hinged with the limiting seat 1, the other end of the driving arm is hinged with the quick-change connector 5, one end of the inclined oil cylinder 2 is hinged with the limiting seat 1, the other end of the inclined oil cylinder is hinged with the driving arm 3, one end of the movable arm oil cylinder 4 is hinged with the driving arm 3, and the other end of the movable arm oil cylinder is hinged with the quick-change connector 5.

The inclined oil cylinder 2 and the movable arm oil cylinder 4 are identical in structure and respectively comprise a cylinder barrel 16, a piston 7 and a piston rod 9, the front end of the cylinder barrel 16 is connected with a front end cover 10, the front end cover 10 is provided with a rod cylinder oil port 17, the rear end of the cylinder barrel 16 is connected with a rear end cover 11, and the rear end cover 11 is provided with a rodless cavity oil port 12. The piston 7 is arranged in the cylinder 16, the rear end of the piston rod 9 is connected with the piston 7, the front end of the piston rod 9 extends out of the front end cover 10, and the piston 7 and the piston rod 9 divide the cylinder 16 into a rod cavity 8 and a rodless cavity 6.

The rear end face of the piston 7 is provided with a deceleration oil duct 14, the deceleration oil duct 14 is in a winding curve shape, the rear end of the piston 7 is connected with a cover plate 13, the cover plate 13 covers the deceleration channel 14, the piston 7 is provided with an oil through groove 24 and an orifice 15, the oil through groove 24 is communicated with the rodless cavity 6 of the cylinder barrel 16 and is communicated with the deceleration channel 14, one end of the orifice 15 is communicated with the deceleration channel 14, and the other end of the orifice is communicated with the rod cavity 8 of the cylinder barrel 16. Namely, the rodless chamber 6, the oil through groove 24, the speed reduction passage 14, the orifice 15, and the rod chamber 8 are communicated.

A locking barrel is arranged on the front end cover 10 and comprises a barrel body 19 and a barrel bottom 23, the rear end of the barrel body 19 is connected with the front end cover 10, the front end of the barrel body 19 is connected with the barrel bottom 23, and the piston rod 9 extends out of the barrel bottom 23 of the locking barrel. A three-flap locking block 20, a locking piston 21 and a spring 22 are arranged between a cylinder body 19 and a piston rod 9 of the locking cylinder. The outer diameter of the locking piston 21 is matched with the inner diameter of the cylinder 19, the rear end of the locking piston 21 is provided with a frustum-shaped cavity 21-1 with a small front part and a large rear part, the rear end of the locking block 20 is connected with the front end cover 10, the three locking blocks 20 are enclosed into a frustum shape with a small front part and a large rear part and are arranged in the frustum-shaped cavity 21-1 of the locking piston 21, the spring 22 is arranged between the front end of the locking piston 21 and the cylinder bottom 23 of the locking cylinder, and the front end cover 10 is provided with an unlocking oil port 18 leading to the locking cylinder.

Example 2

As shown in fig. 5, in a second structure of the tilt cylinder 2 and the boom cylinder 4, an energy storage cylinder 24 is connected outside the cylinder barrel 16, an energy storage piston 25 is arranged between the energy storage cylinder 24 and the cylinder barrel 16, the energy storage piston 25 divides a space between the energy storage cylinder 24 and the cylinder barrel 16 into an energy storage air cavity 27 and an energy storage oil cavity 26, an inflation valve 28 communicated with the energy storage air cavity 27 is arranged on the front end cover 10, an energy storage oil channel 29 is arranged on the rear end cover 11, and the energy storage oil channel 29 is communicated with the rodless cavity 6 and the energy storage oil cavity 26 of the cylinder barrel 16. The rest of the structure is the same as that of example 1.

In use, as shown in fig. 6, the adjusting device is mounted at the front end of the frame 31, and the adjusting device is locked while maintaining a certain angle by the engagement of the tilt cylinder 2 and the boom cylinder 4, so that the working device 30 can stably operate.

Claims (2)

1. The adjusting device of the light amphibious multifunctional working machine of the constructed wetland comprises a limiting seat, an inclined oil cylinder, a driving arm, a movable arm oil cylinder and a quick-change connector; one end of the driving arm is hinged with the limiting seat, the other end of the driving arm is hinged with the quick-change connector, one end of the inclined oil cylinder is hinged with the limiting seat, the other end of the inclined oil cylinder is hinged with the driving arm, one end of the movable arm oil cylinder is hinged with the driving arm, and the other end of the movable arm oil cylinder is hinged with the quick-change connector; the inclined oil cylinder and the movable arm oil cylinder are identical in structure and respectively comprise a cylinder barrel, a piston and a piston rod, the front end of the cylinder barrel is connected with a front end cover, the front end cover is provided with a rod cylinder oil port, the rear end of the cylinder barrel is connected with a rear end cover, the rear end cover is provided with a rodless cavity oil port, the piston is arranged in the cylinder barrel, the rear end of the piston rod is connected with the piston, the front end of the piston rod extends out of the front end cover, and the cylinder barrel is divided into a rod cavity and a rodless cavity; the method is characterized in that: the rear end face of the piston is provided with a deceleration oil duct which is in a tortuous shape, the rear end of the piston is connected with a cover plate, the cover plate covers a deceleration channel, the piston is provided with an oil through groove and an orifice, and the rodless cavity, the oil through groove, the deceleration channel, the orifice and the rod cavity are communicated; the front end cover is provided with a locking barrel, the locking barrel comprises a barrel body and a barrel bottom, the piston rod extends out of the barrel bottom of the locking barrel, a multi-petal locking block, a locking piston and a spring are arranged between the barrel body and the piston rod of the locking barrel, the rear end of the locking piston is provided with a frustum-shaped cavity with a small front part and a large rear part, the multi-petal locking block is enclosed into a frustum shape with a small front part and a large rear part and is arranged in the frustum-shaped cavity of the locking piston, and the rear end of the locking block is connected with the front end cover; the spring sets up between the barrel head of the front end of locking piston and locking cylinder, sets up the unblock hydraulic fluid port that leads to the locking cylinder on the front end lid.

2. The adjusting device of the light amphibious multifunctional working machine for the constructed wetland according to claim 1, which is characterized in that: the energy storage cylinder is connected outside the cylinder barrel, an energy storage piston is arranged between the energy storage cylinder and the cylinder barrel, the energy storage piston divides the space between the energy storage cylinder and the cylinder barrel into an energy storage air cavity and an energy storage oil cavity, an inflation valve communicated with the energy storage air cavity is arranged on the front end cover, an energy storage oil duct is arranged on the rear end cover, and the energy storage oil duct is communicated with the rodless cavity and the energy storage oil cavity of the cylinder barrel.

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