Unit for cutting through the cracks in the peat deposits

 

The invention relates to machines for cutting through the cracks in the peat deposits and can be used in land reclamation for slotted drainage of peat-bog soils with charcoal inclusions and localization of fires by cutting to the mineral soil cracks in peat deposits. The objective of the invention is to overcome the Assembly of obstacles in peat deposits in automatic mode. Unit for cutting through the cracks in the peat contains basic tractor, a tool with an active working body and the hydraulic cylinder control the position of the working body, the actuating cylinder, parallel mounted adjustable throttle and check valve. The piston cylinder chamber control hydraulically connected through an adjustable throttle and a check valve with the piston cavity Executive of the cylinder. Rod actuating cylinder with a flexible coupling connected to the levers off mechanisms of propulsion from the transmission base tractor. 2 Il.

The invention relates to machines for cutting through the cracks in the peat deposits and can be used in land reclamation for slotted drainage of peat-bog soils with charcoal inclusions is sleduyushim filling them with non-combustible material.

Known Assembly for strip ditches in peat deposits, including basic tractor, a tool with active tool, the hydraulic cylinder control the position of the working body and hydraulically associated actuating hydraulic cylinder acting through two shoulders lever on the mechanism of the disconnecting clutch base tractor in excess of the permissible tractive effort [1].

The disadvantage of this unit is that when meeting a formidable obstacle such as a tree trunk, are in the thick peat layer, the tractor stops disconnecting the working body, and to continue the process working body needs myglobal and skip the obstacle that leads to the violation of quality laid ditches, in particular, reducing its depth. Reportany the barrel is a barrier to water flow in the drainage conductor or burning in the localization of the peat fire.

The closest in technical essence to the invention is an Assembly for cutting through the cracks, particularly in peat deposits, including basic tractor, a tool with an active working body and the hydraulic cylinder control the position of the working body [2].

This is knogo gear, and manual speed control within each transmission using the throttle, but the automatic stop of the machine when they meet with an obstacle, its design is not provided. This does not exclude the probability of failure of the working body.

The objective of the invention is to overcome the unit for cutting through the cracks in the peat deposits of obstacles in the auto mode.

This technical result in the unit for cutting through the cracks in the peat deposits containing basic tractor, a tool with an active working body and the hydraulic cylinder control the position of the working body and the actuating cylinder is achieved by the fact that the unit is equipped with installed adjustable throttle and non-return valve and the piston cylinder chamber control hydraulically connected through an adjustable throttle and a check valve with the piston cavity Executive of the cylinder, while the piston rod actuating cylinder through a flexible connection connected to the levers off mechanisms of propulsion from the transmission base tractor.

In Fig. 1 shows an Assembly for cutting through the cracks in the peat deposits in the working position; Fig.2 - hydraulic scheme to the second reservoir, managed cylinder 3, the piston and the rod end of which are connected respectively by pipes 4 and 5 through the control valve 6 with the hydraulic pump 7. The piston cylinder chamber 3 is also hydraulically connected through an adjustable orifice 8 and the check valve 9, set to actuate when the pressure of the working fluid is higher than the nominal, with the piston cavity Executive hydraulic cylinder 10, a piston which is spring-loaded return spring 11. The piston rod of the hydraulic cylinder 10 through a flexible connection 12 is connected with the levers 13 control mechanisms disable propulsion from the transmission base tractor 1 (planetary mechanisms of rotation).

Unit for cutting through the cracks in the peat deposits is as follows.

Before beginning the implementation process working body 2 is driven from the transmission of the tractor 1 and is buried in the soil by injection of fluid into the piston cylinder chamber 3 through the pipe 4 through included in the position "lower" valve 6 by a pump 7. After reaching the required depth, the arm control valve 6 is switched to position "neutral", with the pipes 4 and 5 on the I. At the meeting of the working body 2 with an obstacle, the force of resistance to flow increases, and the working body 2 tends to rotate counterclockwise (in the drawing), causing an increase in fluid pressure in the piston cylinder cavity 3 to the level above nominal. Under the action of the increased pressure opens the valve 9, and the liquid flows through Gidromontazh piston in the cylinder chamber 10, moving the piston and compressing the return spring 11. When the piston rod of the hydraulic cylinder 10 is retracted pulling the flexible connection 12 and providing the translation of the levers 13 in the rightmost position in which the propulsion of the tractor 1 is disconnected from its transmission, and the unit stops. But its working body 2 due to the elasticity of the system "tractor - working body - develop environment continues to penetrate the barrier. When the load on the working body 2, the fluid pressure in the piston cylinder cavity 3 (and hence in the piston cylinder cavity 10) falls, and under the influence of return spring 11, the piston of the hydraulic cylinder 10 is moved in the opposite direction. The fluid from the piston cylinder cavity 10 is displaced through an adjustable throttle piston 8 in the cylinder chamber 3. At the onset of the movement. If a single influence of elastic deformation of the system is not enough to cut the obstacles, the process is repeated. After overcoming obstacles, the unit begins to operate in a normal mode. By the end of the process the working body 2 is disconnected from the transmission of the tractor 1, the lever of the control valve 6 is switched to the position "up", fluid from the hydraulic pump 7 is pumped through the pipeline 5 rod in the cylinder chamber 3, while the working body 2 is transferred to the transport position.

The use of the invention reduces the likelihood of breakage of the working body and to alleviate the working conditions of the operator.

Sources of information 1. Izakson A. A., don C. M. Filatov, A. I. Handbook of the young driver of the excavator. - M.: Higher school, 1979. CH. VII, S. 98, 114-115.

2. Ivanov, C. A. Machine Dumbrava for cutting frozen ground. - M.: Transport, 1975, S. 1-48 (prototype).

Claims

Unit for cutting through the cracks in the peat deposits containing basic tractor, a tool with an active working body and the hydraulic cylinder control the position of the working body and the Executive hydraulic cylinder, characterized in that the aggregate supply management is hydraulically connected through an adjustable throttle and a check valve with the piston cavity Executive hydraulic cylinder, when this rod actuating cylinder through a flexible connection connected to the levers off mechanisms of propulsion from the transmission base tractor.

 

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