UA144615U - EXECUTIVE BODY OF THE PASSENGER COMBINE OF SELECTIVE ACTION - Google Patents

Abstract

The executive body of the tunneling combine of selective action which contains an arrow, the telescopic mechanism with a cutting head, the drive of an executive body and a reducer, a frame with guides of movement of the telescopic mechanism which are equipped with hydraulic clamps, hydraulic cylinders of vertical turn which are fixed to relative to the body of the tunnel harvester, according to the utility model, further comprises a mechanism for reversible rotation of the cutting head relative to the axis of the boom, placed in the telescopic mechanism, and the cutting head has a disk shape, on the cylindrical (outer) and end (frontal) surfaces or cones), with the middle part of the cutting head running along the axis of the arrow or as close as possible to it.

Description

The useful model belongs to the mining business, in particular to the mining equipment of the coal and mining industry, namely to the executive bodies of mining combines and can find application in mining combines of selective action in the coal industry when passing through mine workings.

The well-known executive body (VO), which is equipped with 4PU and 4PP-2MI machines and equipment for horizontal and inclined mining operations / Ed. B.F. Bratchenko. - M: Nedra, 1975, pp. 56-59, 70-79 and Machines and equipment for coal mines. Reference book /ed. V.N. Horina M: Nedra, 1987. P. 211-214, 220-223), which contains an electric motor, a reducer made together with the boom, a cutter breaker crown, which is attached directly to the output shaft of the reducer, and a frame along which the electric motor, a reducer made together with the boom and the crown can be telescopically extended with the help of special jacks. The BO is moved in the vertical plane by the lifting hydraulic cylinders, which are connected by their lugs to the trunnions of the main frame of the executive body and to the rotary frame (turret) of the tunneling combine.

Also known is the cutting executive body, which is equipped with the poddyrochno-pogruzochnaya MPP machine. Description. Characteristics

MPP Izlektronnyi resource. - Access mode: пЕр://пКита.сот/мр-сопепи/ироадз/рай/впролеНписпезків-пагаксегізіки/МРР. a paradise that accommodates an arrow-shaped telescopic form with two axial cutting crowns and a mechanism for reversing the axial cutting crowns with respect to the longitudinal axis of the arrow at 1809,

As the closest analogue, the VO of the Prokhodnytsky combine (PC), which is equipped with the P110 Prokhodnytsky combine (Prokhodcheskie kombranyi type P110 // Kombaynyi prohodcheskie.

Production of the enterprise: (|catalog| / Novokramatorsky machine building plant. -

Kramatorsk: NKMZ printing house, 2016. - P. 7|haMining and tunneling equipment.

Walk-behind harvester P110. (electronic resource)| - Access mode: PEir//pKt2.sot/Lmr-sopiepi/irioadz/rai/vprolLenpispezkiv-pagakietiviiki/rgopodspezKiv-Kotbva|pu-P110. rai, which accommodates the boom, a telescopic mechanism with two axial cutting crowns, a BO drive and a reducer, a frame with guides for the movement of the telescopic mechanism, which are equipped with hydraulic clamps that ensure rigid fixation of the subsystem of the cutter drive

From the heads relative to the boom, as well as removing the load from the guides of the telescopic mechanism. VO PC has the ability to move vertically and horizontally.

Vertical rotation of the boom is carried out by lifting hydraulic cylinders, which are fixed on the turret and

VO, and rotation in the horizontal plane is carried out by hydraulic cylinders for turning the turret relative to the PC body.

Common essential features of the known BO and the one claimed are the boom, the telescopic mechanism with the cutting head, the BO drive and the gearbox, the frame with the guides for the movement of the telescopic mechanism, which are equipped with hydraulic clamps, the hydraulic cylinders of vertical rotation, which are fixed on the turret and the BO, the hydraulic cylinders of the turret rotation relative to the PC case.

The disadvantages of the well-known PC executive body of selective action with axial crowns are the impossibility of accurately reproducing the given profile of the work and, as a result, significant rock removals (up to 20 95 of the area of the work being passed |Semenchenko A.K. Development of the structural layout scheme of the new technical combine level / A.K. Semenchenko,

O.E. Shabaeyeev, D.A. Semenchenko, N.V. Khitsenko // Mining machines and automation. - 2005. - Mo 1. -

P. 31-32; A.K. Semenchenko Perspective! the development of ground harvesters / A.K. Semenchenko,

Shabaev, D.A. Semenchenko, N.V. Khytsenko // Mining equipment: extraction, transportation and processing of useful minerals: catalog-reference, 2006. - St. Petersburg: Slavutych. - P. 8-15) and the complexity of the construction of axial crowns.

During the operation of the PC, in which the BO is equipped with axial crowns, with a full cycle of processing the arched butt, it requires a significant number of consecutive operations (frontal and vertical notches, side cuts), ensure low surface quality and accuracy of the contour of the product, which negatively affects the possibilities of mechanization of the process fastening of the product and subsequent resistance to mining pressure (A.K. Semenchenko. Prospects for the creation of new-level tunneling machines/ A.K. Semenchenko, O.E. Shabaev, D.A. Semenchenko, N.V.

Khytsenko // Mining machines!: mining, transportation and processing of useful minerals: directory-reference, 2005. - St. Petersburg: Slavutych. - P. 60-69), as well as insufficient PC stability

Ishabaeev O.E. The influence of the structures of the executive bodies of the road combiners on the effectiveness of their work / O.E. Shabaev, D.A. Semenchenko, N.V. Khitsenko, V.A. Myzyn // Mountain Information and Analytical Bulletin. - 2003. - Mo 11. - P. 145-148).

The basis of the useful model is the task of improving the known VOPK to reduce the time of technological operations, ensure the quality of product processing, reduce the selection of rocks, implement the contouring of the slaughter of a given shape and cross-section, simplify the design of the cutting head and increase the productivity of PCs equipped with the proposed design.

The task is solved due to the fact that the selective-action VOPK, which contains an arrow, a telescopic mechanism with a cutting head, a drive of the BO and a gearbox, a frame with guides for the movement of the telescopic mechanism, which are equipped with hydraulic clamps, hydraulic cylinders of vertical rotation, which are fixed on the turret and BO, hydraulic cylinders for turning the turret relative to the PC body, according to the useful model, additionally accommodates a mechanism for reversing the cutting head relative to the boom axis, located in a telescopic mechanism, and the cutting head has the shape of a disk, on the cylindrical (outer) and end (frontal) surfaces of which the cutting tools are placed (cutter or cones), while the middle part of the cutting head passes along the axis of the arrow or as close as possible to it.

The specified features are the essence of the invention, because they are necessary and sufficient for achieving the technical result - reducing the time of technological operations, ensuring the quality of product processing, reducing the selection of rocks, realizing the outline of the slaughter of a given shape and cross-section, simplifying the design of the cutting head and increasing productivity

PCs equipped with VO of the proposed design.

When using the PC with the proposed BO, which has the possibility of reversible rotation of the cutting head in the form of a disk around the axis of the arrow, it allows to realize the notching mode in one step by means of joint rotary and translational movement on the face, excluding the modes of vertical notching, which ensures the formation of a well with a diameter equal to diameter of the disk, and its depth is equal to the extension of the telescopic mechanism. The next work cycle of the lateral mode of destruction is carried out continuously in any direction of the face surface because the position of the cutting head is almost always perpendicular to the arrow movement vector, which is provided by the additional degree of freedom of the cutting head.

Therefore, the use of the proposed VO in the PC of selective action ensures its output to the required value of capture, reducing the time of performing the necessary technological operations.

The disk-shaped cutting head has a smaller contact area with the surface of the product and gives

It is possible to fit (with minimal clearance) into the complex contours of the work, namely in the area of the upper vault with an arched form of the work and the work zone, the shape of which has a right angle of intersection of the side rocks with the rocks of the soil and the roof for the arched and trapezoidal form of the work, and this ensures the quality of product processing and reduces overstocking.

Reduction of specific energy consumption for destruction is ensured due to the fact that the disk-shaped cutting head has two working surfaces, cylindrical (external) and end (frontal), on which cutting tools (cutters or blades) are placed. The end (frontal) surface with a group of cutters or layers works only for side cuts, while the kinematic parameters of the cut are optimal (a cut with a constant chip thickness and width), and a group of cutters or layers placed on the cylindrical (outer) surface of the disc does not accept active participation in the work and work with zero thickness of the slice. In the case of frontal notching, incisors or shards are involved in the work, which are placed on the cylindrical (outer) surface of the disc. Despite the fact that the destruction efficiency is lower in this case, the specific working time in this mode is an order of magnitude less than the working time of the side cut during a full slaughter processing cycle.

The structure of the supply system of the PC makes it possible to ensure: the required production profile, to reduce the amount of rock removal, selective extraction of coal and rock during penetration, as well as to expand the application areas of the PC in terms of rock strength. This is achieved by the additional possibility of changing the angle of rotation of the cutting head along the axis of the arrow.

For the proposed structure of the feed system of the cutting head BO of radius K, the size of the cross-section of the cut 5p (Fig. 7) with a one-time grip size B7 is determined by the dependence:

AND

Vo-Kosov) av -- 2.87 2K zr(K,B2)-| K a ve ---- 65 5656 ShchTsfb-o-- 65 -

BO ra 2

The percentage of Пр selection when contouring arched products with the known product width B and height H is determined by the dependence: (2-Н 4-х 0.5.8)

Рр(В,Н,К,В7) - 100-5р(К,В7)-.- - ( - - З-- -

B: 5(B,H)

The radius of the cutting head, as well as the size of the grip and the size of the cross-section of the product have a significant influence on the percentage of removal during one-time contouring of the product. With an increase in the size of the grip, the percentage of clearance increases, and with an increase in the radius of the cutting head and the cross-section of the product, on the contrary, it decreases. The results of the research showed that when contouring arch-shaped products with a grip size of 0.3 m, a cross-section from 12 m to 26 m, a cutting head with a radius of 0.4 m, the amount of clearance is 4-6 95; with a cutting head radius of 0.6 m - 2.5-4 Fo; with a radius of the cutting head of 0.8 m - 2-3 95. When the middle part of the cutting head passes along the axis of the boom or as close as possible to it, when it rotates, it forms a recess in the shape of a sphere, which allows you to minimize the amount of rock removal and improve the kinematics of the cut .

The essence of the useful model is explained by the drawings, which show: - fig. 1 - a scheme of a selective action PC with a disk-shaped cutting head, where 1 is an arrow; 2 - telescopic mechanism; C - cutting head; 7 - rotating frame (turret); 8 - PC case/11 - area of destruction by the cutting head; ф - the angle of rotation of the cutting head along the axis of the arrow; В - the angle of rotation of the arrow in the vertical plane: - the angle of rotation of the rotary frame (turret) in the horizontal plane; DI - the length of the possible extension of the BO along the axis of the arrow; K - the radius of the cutting head along the cutters; КФ - the area of destruction by the cutting head during its rotation relative to the arrow axisА! - boom length with extended telescopic mechanism; GO - the amount of displacement of the axis of rotation of the boom in the vertical plane. - fig. 2 - diagram of the movement of the cutting head of the BO when working in the product (side cut); - fig. 3 - diagram of the movement of the cutting head of the BO when working in the product (vertical cut); - fig. 4 - kinematic diagram of the subsystem of the drive and movement of the PC of selective action; - fig. 5 - a diagram of the movement of the cutting head when contouring arched products; - fig. 6 - a diagram of the movement of the cutting head of the BO when contouring the products of a quadrangular shape; - fig. 7 - cross-section of the search.

The selective-action VOPK contains an arrow 1, a telescopic mechanism 2 with a cutting head Z in the form of a disc, on the cylindrical (outer) and end (frontal) surfaces of which are placed cutting tools (cutters or chisels), while the middle part of the cutting head Z passes along the axis

CO boom 1 or as close as possible to it, drive BO4 and reducer 5, frame with movement guides (not marked on the drawings) of the telescopic mechanism 2, which are equipped with hydraulic clamps (not marked on the drawings), hydraulic cylinders of vertical rotation

Zo (not marked on the drawings), which are fixed on the turret 6 and VO, the hydraulic cylinders for turning the turret b relative to the body 7 PC, the mechanism for reversing the rotation 8 of the cutting head Z relative to the axis of the boom 1, located in the telescopic mechanism 2.

The executive body of the selective action combine harvester works in the following way.

During a new cycle of slaughter processing, the PC must reach the working cross-section, which is carried out with the help of a front notch, namely, the simultaneous extension of the boom 1 by a given value LI using hydraulic cylinders 9. VO (with the number of revolutions n of the subsystem of the drive 4 VO and its continuous reverse rotation relative to the ОО axis of boom 1 at an angle fF, after that it is possible to destroy the face through horizontal or vertical passages (fig. 2, fig. 3) by turning boom 1 to angle B in the vertical plane and angle a in the horizontal plane relative to the case 7/PK. It is also possible to carry out a complex movement of the cutting head C by simultaneously moving the boom 1 in the vertical and horizontal planes.

This mode is used to outline the profile of the product, as well as in the case of a continuous spiral mode of butchering, when the OB describes circular movements with an increase in the radius of the butchering. At the same time, the position of the cutting head Z should be such that its frontal plane is perpendicular to the vector of movement of the boom 1, which houses the telescopic mechanism 2 with the electric motor of the drive 4 BO and the hydraulic motor 10 of the reverse rotation mechanism 8 rigidly connected to it.

The application of the proposed VO PC of selective action allows to ensure the necessary profile of the slaughter, selective extraction of coal and rock during penetration, reduction of the amount of rock removal and to expand the areas of application of PC in terms of rock strength, to increase the efficiency of mining operations by reducing the time for carrying out technological operations, namely on notch

Claims (1)

USEFUL MODEL FORMULA The executive body of the selective-action tunneling combine, which includes the boom, the telescopic mechanism with the cutting head, the drive of the executive body and the gearbox, the frame with the guides for the movement of the telescopic mechanism, which are equipped with hydraulic clamps, the hydraulic cylinders of vertical rotation, which are fixed on the turret and the executive body, the hydraulic cylinders of rotation turret relative to the body of the road combine, which is distinguished by the fact that it additionally contains a mechanism for reversing the cutting head relative to the axis of the boom, located in a telescopic mechanism, and the cutting head has the shape of a disk, on the cylindrical (outer) and end (frontal) surfaces of which cutting tools are placed ( cutters or cones), while the middle part of the cutting head passes along the axis of the arrow or as close as possible to it. "And there is GTUz with 1 6; PI. ee and; and ke - - we / and В M 7 4 and 1 and - 0, meadows; oi a Orel ttr yun no HO --- 2025253 "Yi he A ; m non zh-- and s MCF Kk | IA Iv Fig. 7 g, and El N UNN An, shunt in the shoulder, ii and | Oh /, and! /, , n / and 5 pi ! S U Pi and bly u, y Kryy |y yy sh oy : yy yad z broche. and Shaun about te tku Her; sht s, - She Her i/ - Ye khy vah i sh- we a A u i i i sti? and Zny rshi Fig. 2 / YN SHI HOW r. o ay what ; / и и р (7, EN tn Ko o Ge Sh-- what ; AS she ne y; y pe E och Tk U; yo A Sha) Y, shk - wo y chk, Yi to EE ЙЙ, t ra no Y y iy ro y She she 77 / ne x ze //, shk Me, v i ek Ko. zh a re u s Ya i en aasya VU ENI vanya Y pd y KE I I! /lY i Fig. WITH KT zi 7 women Kn y I is: R KA EE K tu, those KOVO ryshkn-YAM Y konu IN Still how t lo ONY x TOR R Rod ke! mon Ge | - Z OT u i aku Ii B SCHE I N i g z U, Ul "Zoyu Ka V y ish i r i: mine chinny esnyueeeeeeesnsoi Hr g i: 30 I a 7 11 horn. Z E i et Sha she sh- x | o / and with X, / i and she i | x; / and U. and. with shchi g t WITH . Fig. 5; shen M: She Y sha ik- u / x 59 IS . With good luck And. I fig. 6 VE. what is it - Fn. 7