Mining machine actuator

FIELD: mining.

SUBSTANCE: invention is related to mining industry and may be used for performance of assembly works in mine openings. Actuator of mining machine comprises boom with crown arranged in it, reducer, reducer drive, mount platform arranged on two front levers and two back levers made in the form of hydraulic cylinders. At the same time levers and their fixation elements make a parallelogram mechanism, device for lifting and moving of mount platform. Device for lifting and moving of mount platform is arranged in the form of one lifting hydraulic cylinder, which is hingedly joined to mount platform, coaxially to hinged joints of front levers connection to mount platform. At the same time lifting hydraulic cylinder is installed at the sharp angle relative to horizontal plane of reducer and is hingedly joined to reducer in zone of back levers connection to mount platform with making of arm relative to hinged joint of front levers installed on reducer.

EFFECT: wider field of mount platform application in various designs of mining machine actuators, and also simplified design of mining machine actuator.

5 dwg

 

The invention relates to the mining industry and can be used for production and Assembly works in the mines.

Known "Grapewood device digging machine" (A.S. No. 1439248 from 23.11.1988 year), including mounted on the boom mounting table and the lifting mechanism. The lifting mechanism is in the form of the swivel link hinged to the Executive authority and linked in the bottom part with the rod of the hydraulic cylinder. The case of hydraulic jacks mounted on the boom. The upper part of the rotary element is in the form of two arms with grippers. Pasteboard articulated in the middle part of the rotary element and is connected by a bolt via a lever. Is the lever parallel to the swivel link. The disadvantage of this design is the absence of cylinders alignment of the mounting platform from changes in the angle of the boom.

The closest technical solution adopted for the prototype, is the Executive body of the mountain harvester" (patent No. 2036303 from 19.06.1990 g)containing the boom installed on it with a crown gear, drive gear, crepidodera, mounted pivotally on the shaft and cooperating with the cylinder rotation, the mounting area located above the drive gear and pivotally mounted on the two front and two rear connected the s articulated with gear levers, moreover, levers and their fastening elements formed of a parallelogram mechanism. An Assembly platform pivotally connected to crepidodera through hard thrust, the hinge connection with the mounting platform coaxially with the hinge connecting with her front levers, back levers performed by hydraulic cylinders.

The disadvantage of this design is limited in its application to different structures of the Executive bodies of mining machines in connection with what is required required craaazyyy, for the operation of the installation site or additional lever that replaces crepidodera, which greatly complicates the design.

The present invention is to expand the scope of an Assembly platform in various designs Executive body of the mining combine, and simplify the design of the Executive body of the mining machine.

In a well-known Executive body of the mountain harvester containing the boom installed on it with a crown gear, drive gear, mounting pad, placed on the two front and made in the form of cylinders of the two rear levers, and the levers and their fastening elements formed of a parallelogram mechanism, a device for lifting and moving the mounting platform, the lifting device and parameseneroides pad is made of at least one lift cylinder, pivotally connected to the mounting platform coaxially with the hinge connection with the mounting pad of the front levers, and the lift cylinder is set at an acute angle relative to the horizontal plane of the gear and pivotally connected with gear in the connection zone of the rear levers, mounting pad with the formation of the shoulder relative to the hinge of the front levers, located on the gearbox.

Mapping declared the Executive body of the mountain harvester prototype allows to make a conclusion about the absence in the latter of signs similar to the significant distinguishing features of the proposed Executive body of the mountain harvester:

device for lifting and moving the mounting platform is made of at least one lift cylinder, pivotally connected to the mounting platform coaxially with the hinge connection with the mounting pad of the front levers;

the lift cylinder is set at an acute angle relative to the horizontal plane of the gear and pivotally connected with gear in the connection zone of the rear levers, mounting pad with the formation of the shoulder relative to the hinge of the front levers, located on the gearbox.

The set of features of the claimed technical solution is different from the prototype and known analogues and does not track the t explicitly studied the prior art, therefore, the authors believe that the object is new and involves an inventive step, in view of the fact that:

device for lifting and moving the mounting platform is made of at least one lift cylinder, pivotally connected to the mounting platform, coaxial hinges connecting with a mounting space of the front levers;

the lift cylinder is set at an acute angle relative to the horizontal plane of the gear and pivotally connected with gear in the connection zone of the rear levers, mounting pad with the formation of the shoulder relative to the hinge of the front levers, located on the gearbox.

These characteristics are related to each other so that when the removal of one of them disappears achieved by the invention of the technical result. The invention also represents a step in the development of technology and is progressive, as it allows to expand the scope of use of the mounting platform in various designs Executive bodies of mining machines, as well as to simplify the structure of the Executive body of the mining machine.

The invention can find wide application in the mining sector and other sectors of the economy, i.e. is industrially applicable technical solution.

The achievement of the technical result, when the work of the Executive what about the body with the equipment for installation of roof support in mines is provided for those that:

device for lifting and moving the mounting platform is designed as one lift cylinder, pivotally connected to the mounting platform coaxially with the hinge connection with the mounting pad of the front levers. This solution allows you to expand the scope of the installation site, to use its Executive bodies, not having crepidodera also greatly simplify the design of the device for lifting and moving the mounting platform;

the lift cylinder is set at an acute angle relative to the horizontal plane of the gear and pivotally connected with gear in the connection zone of the rear levers, mounting pad with the formation of the shoulder relative to the hinge of the front levers, located on the gearbox.

This solution provides the mounting platform, namely the compact arrangement in the transport position above the gear and its drive, the minimum size of the Executive body, lifting and moving the mounting platform when it is in its working position.

The essence of the claimed invention is illustrated attached drawings:

Figure 1 - General view of the Executive body of the mining machine in the home position (side view).

Figure 2 - General view of the Executive body of the mining machine in the home position (top view).

Figure 3 - General view of the Executive body of the mining machine in the operating position, after the operation of the hydraulic cylinder of lifting and moving Assembly area (side view).

4 is a General view of the Executive body of the mining machine in the operating position during operation of the rear levers level Assembly area in the formation angle of the Executive body relative to the horizontal plane.

Figure 5 - connection with mounting space of the hydraulic cylinder and front levers (cross section a-a).

The Executive body of the mountain harvester contains (1, 2, 3, 4, 5) arrow 1 installed on it with a crown 2, gear 3, the drive gear 4, the mounting area 5, located on two front 6 and made in the form of two rear cylinders 7 levers, and the levers 6 and 7 and the elements 3 and 5 attaching them formed a parallelogram mechanism, a device for lifting and moving the mounting platform 8. Device for lifting and moving the mounting platform is made of at least one lift cylinder 9, pivotally connected to the mounting platform 5, coaxially with the hinge connection with the mounting platform 5 front levers 6 (Figure 5), while the lift cylinder 9 is set at an acute angle α (Fig 1) relative to the horizontal plane of the gear 3 and pivotally connected to the gear 3 in the connection zone of the rear is icegov 7 with the mounting platform 5 with the formation of L with respect to the shoulder joint of the front levers 6, located on the gearbox 3. The work of the Executive body of the mountain harvester is as follows. Set the Executive body of the mountain harvester over space that requires fixing. Served the pressure in the lift cylinder 9, which in the presence of L shoulder raises mounting platform 5 on the gear 3 of the Executive body, at the same time feeding the mounting area 5 forward, bringing it closer to the crown 2. While it is possible to produce the fastening develop near the breast slaughter. In case of change of the height of production in the direction of increasing produce lift of the Executive body. To align the mounting platform 5 in a horizontal plane serves the pressure in the hydraulic cylinders 7, performs the function of the rear levers, which expose the mounting area 5 in a horizontal position, convenient for operation.

The device for lifting and moving the mounting platform in the form of at least one lift cylinder, pivotally connected to the mounting platform coaxially with the hinge connection with the mounting pad of the front levers, with the placement of the lift cylinder over an acute angle relative to the horizontal plane of the gear and pivotally connected to the gearbox in the connection zone of the rear levers, mounting pad with the formation of the shoulder relative to the part of the hinge of the front levers, located on the gearbox allows the use of the mounting area on all types of Executive bodies, to simplify the construction of devices for lifting the mounting platform, and also make the design of the mounting platform with a device for lifting more compact and less time-consuming.

The Executive body of the mountain harvester containing the boom installed on it with a crown gear, drive gear, mounting pad, placed on the two front and made in the form of cylinders of the two rear levers, and the levers and their fastening elements formed of a parallelogram mechanism, a device for lifting and moving the mounting platform, wherein the device for lifting and moving the mounting platform is made of at least one lift cylinder, pivotally connected to the mounting platform coaxially with the hinge connection with the mounting pad of the front levers, and the lift cylinder is set at an acute angle relative to the horizontal plane gear and pivotally connected with gear in the connection zone of the rear levers, mounting pad with the formation of the shoulder relative to the hinge of the front levers, located on the gearbox.



 

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