阅读说明：本技术 一种微耕机伸缩缓动装置 (Telescopic slow-moving device of mini-tiller ) 是由 姜建中 于 2019-11-08 设计创作，主要内容包括：本发明公开了一种微耕机伸缩缓动装置,包括：壳体、空腔、推板、推杆、液压油单向流动装置、油封、油封座、液压油。因其具有控制耕刀向上快速移动,向下缓慢移动的功能,将其安装在四驱微耕机上使用后,避免了现有四驱微耕机在慢档运行时,时常因操作不当导致耕刀入土快,瞬间负荷增大,从而使发动机熄火的现象。通过在四驱微耕机上采用一种微耕机伸缩缓动装置,即使四驱微耕机操作简单化,也减轻操作人员劳动强度。且其结构简单,维修方便。(The invention discloses a micro-cultivator telescopic slow-moving device, which comprises: the device comprises a shell, a cavity, a push plate, a push rod, a hydraulic oil one-way flow device, an oil seal seat and hydraulic oil. Because the four-wheel-drive mini-tiller has the function of controlling the tilling blade to move upwards quickly and downwards slowly, after the four-wheel-drive mini-tiller is installed on the four-wheel-drive mini-tiller for use, the phenomenon that the engine is flamed out due to the fact that the tilling blade is quickly inserted into the soil and the instant load is increased due to improper operation when the existing four-wheel-drive mini-tiller operates at a slow gear is avoided. By adopting the telescopic slow-moving device of the mini-tiller on the four-wheel-drive mini-tiller, the labor intensity of operators is reduced even if the four-wheel-drive mini-tiller is simple to operate. And the structure is simple and the maintenance is convenient.)

1. The utility model provides a plough quick-witted flexible slow moving device a little, its characterized in that, flexible slow moving device includes: casing (4), cavity, push pedal (15), push rod, hydraulic oil uniflow device, oil blanket (20), oil blanket seat, hydraulic oil, be equipped with the cavity in the casing, the oil blanket is installed on the oil blanket seat, and the oil blanket seat sets up on the casing, and hydraulic oil pours into in the sealed cavity of oil blanket, and the push pedal setting is equipped with hydraulic oil uniflow device in the cavity in the push pedal, connects push rod one end in the push pedal, and the push rod runs through the oil blanket hole, and the casing is stretched out to the push rod other end.

2. The telescopic slow-moving device of the micro-cultivator in claim 1, wherein the hydraulic oil unidirectional flow device comprises: steel balls, a steel ball frame (16) and a push plate round hole.

3. The telescopic slow-acting device of the micro-cultivator in claim 1, wherein the push rod comprises: the upper part is a cylinder (19), and the lower part is a hexagonal shaft (21).

4. The telescopic slow-acting device of the micro-cultivator in claim 3, wherein the hexagonal shaft (21) is provided with a through hole.

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of mini-tillers, in particular to a telescopic slow-moving device of a mini-tillers.

[ background of the invention ]

The four-wheel-drive mini-tiller comprises: the device comprises a handle, a power assembly, a mini-tiller support, a front transmission case, a rear transmission case, a machine tool, a trailing plate and a resistance rod. The method comprises the following steps: the front-drive four-wheel-drive mini-tiller, the rear-drive four-wheel-drive mini-tiller and the double-shaft double-blade-drive four-wheel-drive mini-tiller. The front-drive four-wheel-drive mini-tiller comprises: the traction travelling wheel is sleeved on a power output shaft of the front driving device, and the tillage knife is sleeved on a power output shaft of the rear driving device; the rear-drive four-wheel-drive mini-tiller comprises: the tillage knife is sleeved on a power output shaft of the front driving device, and the traction walking wheel is sleeved on a power output shaft of the rear driving device. The operator typically sets up implements on the front and rear power take-off shafts according to the work requirements, the implements including: ploughing knife, ditching knife and walking wheel.

The four-wheel mini-tiller is generally provided with a limiting part capable of controlling the soil penetration depth of the tiller blade at the front side or the rear side of the tiller blade. The limiting part comprises: a limiting rod and a limiting wheel. A fixed limiting wheel is arranged at one end of a limiting rod, and the other end of the limiting rod is fixed on a four-wheel-drive mini-tiller frame. The limiting part and the traction travelling wheels are distributed on the front side and the rear side of the tillage knife, so that the four-wheel-drive mini-tiller can be stably operated and used.

With the improvement and development of the four-wheel-drive mini-tiller, the four-wheel-drive mini-tiller with the front power output shaft and the rear power output shaft capable of changing gears and changing speed is formed, namely, the front power output shaft and the rear power output shaft can be adjusted to be high-grade high-speed or low-grade low-speed. When the four-wheel drive mini-tiller operates at a low gear and a low speed, the four-wheel drive mini-tiller is limited by conditions: when the operation is started, the tillage knife needs to be slowly contacted with the ground, and after the operation is finished, the tillage knife can be quickly separated from the ground. When this condition is satisfied, normal operation can be performed. When the four-wheel-drive mini-tiller is operated, if the tilling blade is in quick contact with the ground, the engine is overloaded, the engine is flamed out, and the four-wheel-drive mini-tiller cannot be normally used. When the four-wheel-drive mini-tiller with low gear and low speed is operated, the tiller blade is slowly contacted with the ground by manually and slowly pressing the handle bar by an operator, the operation mode is labor-consuming, the pressing degree is not easy to master, the engine is frequently flamed out, and inconvenience is brought to operation and use. How to realize the slow contact of the tilling blade with the ground by using a machine is a problem which needs to be solved by a user.

[ summary of the invention ]

The invention aims to provide a telescopic slow-moving device of a mini-tiller. The four-wheel-drive mini-tiller is provided with the telescopic slow-moving device, so that the tilling blade can be controlled to move downwards slowly and upwards quickly, and the tilling blade can be effectively controlled to be shallow and normally operated.

The invention provides a telescopic slow-moving device of a mini-tiller. A telescopic slow-moving device is added on the four-wheel-drive mini-tiller to meet the requirement of the improved four-wheel-drive mini-tiller during low-gear low-speed operation. The flexible slow-moving device comprises: the device comprises a shell, a cavity, a push plate, a push rod, a hydraulic oil one-way flow device, an oil seal seat and hydraulic oil.

The inside cylindrical cavity that is equipped with of casing is equipped with the oil blanket seat on the casing, be equipped with the oil blanket in the oil blanket seat, the cylinder of push rod runs through the oil blanket hole.

The hydraulic oil unidirectional flow device is a device for controlling the unidirectional flow of hydraulic oil. The method comprises the following steps: steel balls, a steel ball frame and a push plate round hole. The diameter of the steel ball is larger than that of the round hole of the push plate, the steel ball can freely move in the steel ball frame, the steel ball frame and the round hole of the push plate are correspondingly arranged on the push plate, and the steel ball moves in a space formed by the steel ball frame and the round hole of the push plate. When the two ends of the telescopic slow-moving component are vertically arranged, the steel ball plugs the round hole of the push plate under the action of gravity. The hydraulic oil can only flow from bottom to top and can not flow from top to bottom under the control of the hydraulic oil unidirectional flow device.

The steel ball frame is arranged on the push plate, and the round hole is formed in the push plate corresponding to the steel ball frame. The push plate is connected with one end of the push rod. The diameter of the push plate is smaller than that of the cylindrical cavity of the shell, and a gap is formed between the push plate and the cylindrical cavity of the shell. The push plate can slide in the cylindrical cavity of the shell, so that hydraulic oil can flow back and forth from the gap.

The hydraulic oil is injected into a sealed space formed by the cylindrical cavity and the oil seal, and the sealed space into which the hydraulic oil is injected is divided into a cavity C and a cavity D by the push plate.

The telescopic slow-moving component is structurally composed of: hydraulic oil is injected into the cavity of the shell, a push plate is arranged inside the cavity, a gap is formed between the push plate and the inner wall of the cavity, the push plate divides the cavity into a cavity C and a cavity D, a hydraulic oil one-way flow device is arranged on the push plate, the push plate is connected with a push rod, a cylinder of the push rod penetrates through an inner hole of an oil seal, the oil seal is arranged on an oil seal seat, and the oil seal seat is arranged on the.

The working procedure of the telescopic slow-moving component is as follows: firstly, extending the push rod; secondly, the push rod is shortened.

The lower part of the push rod is provided with a stop component to prevent the push rod from being excessively shortened to damage the operation of the mini-tiller.

When the hydraulic oil one-way flow device and the push rod are respectively arranged on two sides of the push plate, hydraulic oil in the lower cavity flows to the upper cavity through a gap between the push plate and the inner wall of the cavity and the hydraulic oil one-way flow device simultaneously. Because the two channels flow simultaneously, the hydraulic oil flows fast, and the extension speed of the push rod is fast. And on the contrary, when the hydraulic oil in the upper cavity flows to the lower cavity through the gap between the push plate and the inner wall of the cavity. The hydraulic oil one-way flow device is closed, hydraulic oil flows slowly because the hydraulic oil is a channel, and the push rod shortens slowly. As shown in fig. 1.

When the hydraulic oil one-way flow device and the push rod are on the same side of the push plate, hydraulic oil in the lower cavity flows to the upper cavity through a gap between the push plate and the inner wall of the cavity and the hydraulic oil one-way flow device simultaneously. Because the two channels flow simultaneously, the hydraulic oil flows fast, and the push rod shortens fast. And on the contrary, when the hydraulic oil in the upper cavity flows to the lower cavity through the gap between the push plate and the inner wall of the cavity. The hydraulic oil one-way flow device is closed, hydraulic oil flows slowly because the hydraulic oil is a channel, and the extension speed of the push rod is slow. As shown in fig. 2.

The upper cavity refers to a partial cavity positioned at the upper part of the cavity; the lower cavity refers to a partial cavity located at the lower portion of the cavity.

The spacing wheel includes: wheel carrier, gyro wheel.

The stopper member includes: pins, bolts.

The cavity is as follows: is a closed or semi-closed space due to structural reasons.

The external force includes: tension, pressure, elasticity, gravity.

In order to solve the technical problems, the technical scheme provided by the invention is as follows:

1, a plough quick-witted flexible underdrive device a little, its characterized in that, flexible underdrive device includes: casing, cavity, push pedal, push rod, hydraulic oil one-way flow device, oil blanket, oil seal seat, hydraulic oil, be equipped with the cavity in the casing, the oil blanket is installed on the oil seal seat, and the oil seal seat sets up on the casing, and hydraulic oil pours into in the sealed cavity of oil blanket, and the push pedal setting is equipped with hydraulic oil one-way flow device in the push pedal in the cavity, connects push rod one end in the push pedal, and the push rod runs through the oil blanket hole, and the push rod other end stretches out the casing.

2, as further setting, a plough quick-witted flexible bradykinetic device a little, hydraulic oil uniflow device includes: steel balls, a steel ball frame and a push plate round hole.

3, as further setting, plough quick-witted flexible slow-moving device a little, the push rod includes: the upper portion is a cylinder, and the lower part is the hexagonal axle.

4, as a further setting, a plough quick-witted flexible slow-moving device a little, the hexagonal epaxial through-hole that is equipped with.

The push rod includes: a one-piece putter, comprising: a cylindrical push rod. Secondly, the combined push rod comprises: the upper part is a cylinder and the lower part is a hexagonal shaft.

The invention has the beneficial effects that: the utility model provides a plough quick-witted flexible slow-moving device a little, because of having the function of slow moving, install it and use on four-wheel drive plough machine a little, can make four-wheel drive plough quick-witted ploughing sword slowly bury when slow-gear operation for four-wheel drive plough machine operation a little is more laborsaving. The phenomenon that the engine is flamed out due to the fact that the load is increased instantly when an operator frequently inserts the soil quickly due to the tillage knife when the existing four-wheel-drive mini-tiller operates at a slow gear is avoided. By adopting the telescopic slow-moving device of the mini-tiller on the four-wheel-drive mini-tiller, the labor intensity of operators is reduced even if the four-wheel-drive mini-tiller is simple to operate. The invention has the advantages of ingenious design, simple structure, easy modification, low modification cost and durability.

[ description of the drawings ]

FIG. 1 is a schematic view of the internal structure of a telescopic slow-moving device of a mini-tiller.

Fig. 2 is a schematic view of the internal structure of another extension slow-moving device of the mini-tiller.

Fig. 3 is a schematic structural view of the hydraulic oil one-way flow device of the present invention.

Fig. 4 is a structural schematic view of a four-wheel drive mini-tiller with a mini-tiller telescopic slow-moving device in embodiment 1 of the invention.

Fig. 5 is a schematic structural view of a telescopic slow-moving device of a mini-tiller in embodiment 1 of the invention.

Fig. 6 is a schematic view of the internal structure of a telescopic slow-moving device of a mini-tiller in embodiment 1 of the invention.

Fig. 7 is a structural schematic view of a four-wheel drive mini-tiller with a mini-tiller telescopic slow-moving device in embodiment 2 of the invention.

Fig. 8 is a schematic view of an internal structure of a combination of a micro-cultivator telescopic slow-motion device and a limiting part in embodiment 2 of the invention.

Fig. 9 is a schematic view of the internal structure of a unidirectional hydraulic oil flow device in embodiment 2 of the present invention.

Fig. 10 is a structural schematic view of a four-wheel drive mini-tiller with a mini-tiller telescopic slow-moving device in embodiment 3 of the invention.

Fig. 11 is a schematic structural view of a combination of a micro-cultivator telescoping slow-motion device and a limiting part in embodiment 3 of the invention.

Fig. 12 is a schematic view of an internal structure of a combination of a micro-cultivator telescoping slow moving device and a limiting part in embodiment 3 of the invention.

Fig. 13 is a schematic structural view of a hydraulic oil unidirectional flow device in embodiment 3 of the present invention.

In the figure: 1, supporting a handle; 2, dragging the hanging plate; 3, a mudguard; 4, a shell; 5, a hexagonal tube; 6, a rear transmission case; 7, a traveling wheel; 8, a front transmission box; 9, a mini-tiller bracket; 10, a power assembly; 11, a through hole; 12, a limiting wheel; 13, a limiting rod; 14, a C cavity; 15, pushing a plate; 16, a steel ball frame; 17, a gap; 18, a D cavity; 19, a cylinder; 20, oil sealing; 21, hexagonal shaft; 22, a spacing pin or jackscrew; 23, a connecting plate b; 24, connecting plate a

[ detailed description ] embodiments

Embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, 2 and 3, the invention provides a micro-cultivator telescopic slow-moving device, comprising: the inside cavity that sets up of casing and casing, the inside circular push pedal that is equipped with of cavity, circular push pedal and cavity inner wall have the gap, and circular push pedal divide into C cavity and D cavity to the cavity, and circular push pedal side-mounting has hydraulic oil one-way flow device, and circular push pedal side welded connection push rod one end, the cylinder of push rod run through at the oil blanket hole, and the oil blanket is installed on the oil blanket seat. The oil seal seat is welded on the inner wall of the cavity of the shell, and hydraulic oil is injected into the cavity sealed by the oil seal. The hexagonal shaft at the other end of the push rod extends out of the shell.