WO2007139432A1 - Machine-outil munie d'un organe de travail souple sans fin - Google Patents

Machine-outil munie d'un organe de travail souple sans fin Download PDF

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Publication number
WO2007139432A1
WO2007139432A1 PCT/RU2006/000682 RU2006000682W WO2007139432A1 WO 2007139432 A1 WO2007139432 A1 WO 2007139432A1 RU 2006000682 W RU2006000682 W RU 2006000682W WO 2007139432 A1 WO2007139432 A1 WO 2007139432A1
Authority
WO
WIPO (PCT)
Prior art keywords
flexible endless
working body
endless working
drive
annular groove
Prior art date
Application number
PCT/RU2006/000682
Other languages
English (en)
Russian (ru)
Inventor
Levon Muradovich Muradyan
Zhanna Levonovna Sedrakyan
Murad Levonovich Muradyan
Original Assignee
Levon Muradovich Muradyan
Zhanna Levonovna Sedrakyan
Murad Levonovich Muradyan
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Levon Muradovich Muradyan, Zhanna Levonovna Sedrakyan, Murad Levonovich Muradyan filed Critical Levon Muradovich Muradyan
Publication of WO2007139432A1 publication Critical patent/WO2007139432A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/08—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with saw-blades of endless cutter-type, e.g. chain saws, i.e. saw chains, strap saws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D57/00—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00
    • B23D57/003—Sawing machines or sawing devices working with saw wires, characterised only by constructional features of particular parts
    • B23D57/0053—Sawing machines or sawing devices working with saw wires, characterised only by constructional features of particular parts of drives for saw wires; of wheel mountings; of wheels

Definitions

  • the invention relates to the field of extraction and processing of various solid materials by cutting using a flexible endless working body, for example, stone mining and stone processing.
  • a known installation for rope sawing of stone containing vertical guides connected to the upper part of the beam, on which calipers with a displacement drive are located, pulleys mounted on calipers, one of which is connected to an electric motor, covered by an endless cutting body in the form of a rope (Copyright certificate SU 1065218 A , CL B 28 D 1/08; 07.01. 1984; Bull. Ws I).
  • the task of minimizing the diameter of the bearing part of the flexible endless working body is complicated by the fact that a decrease in the values of bending stresses by increasing the diameters of the drive pulleys leads to an increase in the center distance of the transmission and for the implementation of the technological process it is necessary to increase the preliminary tension of the flexible endless working body.
  • a significant part of the strength resources of the bearing part of the endless working body is spent on resistance to preload and bending on drive pulleys.
  • the cutting process occurs at speeds of 30 ⁇ 40 m / sec diamond Perlin established periodically on the carrier part of the flexible endless working body, undergo large shock loads on entering the cutting zone, which adversely affects' strength gibkogr endless working body.
  • the basis of the present invention is the creation of a machine for cutting various solid materials using a flexible endless working body with such a design that would eliminate the above disadvantages.
  • a device comprising at least one flexible endless working body, a drive mechanism consisting of a belt drive and provided with an annular groove of the drive rrill, which is kinematically connected with the main drive of the device, at least one driven roller and one pair guide rollers provided with annular grooves and a device body, characterized in that the flexible endless working body is movably mounted in the annular groove of the drive roller and pressed against the arc of the circumference of the annular groove emnem belt transmission mounted on the diametrically opposite side of the guide rollers, and the branches of the flexible endless working member movably mounted in the annular groove and the driven roller supported diametrically oppositely mounted guide rollers, forming an open loop pendant u diametrically opposite side from the drive roller.
  • the main principle of operation of the proposed device is that centrifugal inertial forces arising in a hanging open loop when a flexible infinite working body moves along a curved path serve to tension a flexible infinite working body.
  • the hanging open loop of a flexible endless working body under the action of centrifugal forces, acquires sufficient elastic stiffness for the implementation of the cutting process.
  • cutting hard rocks is carried out at high speeds (for diamond cutting up to 30 ⁇ 50 m / s)
  • the tension force of the infinite working body in the cutting zone is more than 1000 H.
  • an increase in the cutting depth leads to a decrease in the tension force of the flexible endless working body , which eliminates the rupture of a flexible endless working body during overloads.
  • a drive mechanism which consists of a drive roller equipped with an annular groove and a belt drive.
  • the belt drive is installed in the plane of the drive roller from the side diametrically opposite from the guide rollers and the outer side of the belt covers a part of the circular arc of the annular groove of the drive roller.
  • J In the annular groove of the drive roller, an end open loop of a flexible endless working body is installed and is pressed against the roller in the zone of contact with the belt.
  • the structural elements of a belt drive must be calculated from the condition of ensuring their strength when creating the necessary contact pressure on a flexible endless working body using a belt.
  • the magnitude of the contact pressure is determined from the condition of contact of the flexible endless working body with the annular groove of the drive roller at a maximum rotation speed of the drive roller.
  • the diameter of the driving pulley is determined from the strength condition of the flexible working body when it is subjected to the tension and bending necessary for cutting along the radius of the driving roller.
  • the driven roller is installed between the branches of a flexible endless working body on the diametrically opposite side of the belt drive.
  • the diameter of the driven roller is selected in such a way as to ensure a partial fit of the branches of the working body along the arcs of the annular groove of the driven roller.
  • Guide rollers equipped with annular grooves are installed on both sides of the driven roller on the device body and are designed to maintain the direction of movement of the branches flexible working body.
  • the axes of the guide rollers are offset towards the hanging open loop of the working body and are installed in such a way as to ensure contact between the branches of the flexible endless working body and the annular groove of the driven roller.
  • the diameter of the guide rollers can only be selected for design reasons.
  • the relatively small tension of the rope and the inability of its pqst during cutting can significantly reduce the diameter of the bearing part of the flexible endless working body and thereby achieve an increase in the thickness of the diamondiferous layer on the perlins, or a decrease in the outer diameter of the perlins, which will increase the durability of the flexible working body and reduce energy consumption technological process.
  • two identical driven rollers are mounted coaxially, offset in different directions relative to the middle plane of the drive roller. Accordingly, guide rollers are also displaced and mounted in the planes of the driven rollers.
  • the branches of a flexible endless working body in the gap between the leading and driven rollers are crossed straight lines.
  • the angle of capture is increased by a flexible endless working body of both the drive roller and driven rollers.
  • the resultant of the friction forces which acts on the cylindrical surface of the flexible working body from the side of the walls of the annular grooves of these rollers, creates a torque that allows twisting its relative to its geometric axis.
  • the drive mechanism can be moved relative to the guide rollers, changing the length of the hanging part of the flexible endless working body.
  • the drive mechanism is located at a maximum distance from the guide rollers and the length of the hanging part of the flexible endless working body is minimal, which gives it maximum rigidity.
  • the depth of cut can be set by moving the drive mechanism relative to the guide rollers. If it is necessary to carry out a change in the length of the hanging part of the flexible endless working body during the cutting process, it is better to use the scheme of two identical offset driven rollers.
  • the rollers must be kinematically connected in such a way as to ensure their mutual rotation only at the working speeds of a flexible endless working body. For example, they can be connected using a normally closed centrifugal friction clutch.
  • the mechanism will provide the necessary contact pressure on the flexible endless working body, regardless of the magnitude of its wear.
  • the total number of sets of drive mechanisms, driven and guide rollers is equal to the number of flexible working bodies used.
  • the kits staggered.
  • the proposed design provides almost uniform tension of a flexible endless working body. You can equip the device with a system for supplying water to the cutting zone. This will increase the durability of the flexible endless working body.
  • FIG.l schematically depicts a device with a flexible endless working body according to the invention
  • FIG 2 schematically depicts a device with offset driven rollers
  • the proposed device with a flexible endless working body includes a housing 1 (Fig.l), on which the belt gear 4 is movably fixed and the drive roller 3 is mounted symmetrically to it.
  • a flexible endless working body 2 is installed in the annular groove of the drive roller 3, which is pressed by the belt 5 transmission belt 4 -
  • the drive roller 8 is mounted on the axis of symmetry of the drive mechanism, and the branches of the flexible endless working body 2 mounted in its annular groove are supported by guide rollers 6. Outside the device body 1 is hanging open loop 7 of a flexible endless working body 2.
  • Figure 2 shows a schematic illustration of a device that is equipped with two identical identical driven rollers 8 and 9, offset in different directions from the drive roller 3.
  • the branches of the flexible endless working body 2 in the gap between the drive mechanism and the driven rollers 8, 9 are crossed.
  • the belt drive is equipped with a tightening mechanism 11, the driven rollers 8 and 9 are kinematically connected by a normally closed centrifugal friction clutch 10.
  • the device operates as follows. The main drive of the device turns on. By means of a drive mechanism, a flexible endless working body is communicated with a working movement. After reaching the contact of the endless working body with the processed material, the cutting process begins.
  • the present invention can be used in the extraction and processing of various stone materials.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

L'invention concerne le domaine d'extraction et de transformation de différents matériaux durs par des opérations de coupe, par exemple, d'extraction de pierre et de transformation de la pierre. Elle vise à assurer la durabilité de l'organe de travail et à réduire la consommation d'énergie du processus de coupe. Le dispositif proposé doté d'un organe de travail souple sans fin comprend au moins un organe de travail souple sans fin, qui est installé mobile dans le logement annulaire d'un rouleau d'entraînement et est comprimé suivant une configuration d'arc de cercle du rouleau de roulement par la courroie d'un transmission à courroie, montéesur le côté diamétralement opposé des rouleaux de guidage. Le rouleau d'entraînement, muni d'un logement annulaire, est relié cinématiquement à l'entraînement principal du dispositif. Les branches de l'organe de travail souple sans fin sont montées mobiles dans le logement annulaire du rouleau entraîné et supportées par des rouleaux de guidage dotés de logements annulaires. Sur le côté diamétralement opposé du rouleau d'entraînement, les branches de l'organe de travail souple sans fin forment une boucle ouverte pendante.
PCT/RU2006/000682 2006-05-25 2006-12-19 Machine-outil munie d'un organe de travail souple sans fin WO2007139432A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2006118034/03A RU2323822C2 (ru) 2006-05-25 2006-05-25 Устройство с гибким бесконечным рабочим органом
RU2006118034 2006-05-25

Publications (1)

Publication Number Publication Date
WO2007139432A1 true WO2007139432A1 (fr) 2007-12-06

Family

ID=38778862

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2006/000682 WO2007139432A1 (fr) 2006-05-25 2006-12-19 Machine-outil munie d'un organe de travail souple sans fin

Country Status (2)

Country Link
RU (1) RU2323822C2 (fr)
WO (1) WO2007139432A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2441751C2 (ru) * 2010-02-26 2012-02-10 Левон Мурадович Мурадян Устройство для резки твердых материалов и его бесконечный рабочий орган
DE102011005020A1 (de) * 2011-03-03 2012-09-06 Robert Bosch Gmbh Werkzeugmaschinensystem
DE102012215452A1 (de) * 2012-08-31 2014-03-06 Robert Bosch Gmbh 1Werkzeugmaschinensystem

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2191673A5 (fr) * 1972-06-27 1974-02-01 Velcro France
SU1065218A1 (ru) * 1982-05-10 1984-01-07 Всесоюзный Научно-Исследовательский И Проектно-Изыскательский Институт По Проблемам Добычи,Транспорта И Переработки Минерального Сырья В Промышленности Строительных Материалов Установка дл канатной распиловки камн
RU7933U1 (ru) * 1998-02-03 1998-10-16 Владимир Николаевич Пашнин Станок для канатной распиловки камня
RU2167351C1 (ru) * 2000-07-26 2001-05-20 Левон Мурадович Мурадян Устройство передачи движения (варианты)

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2191673A5 (fr) * 1972-06-27 1974-02-01 Velcro France
SU1065218A1 (ru) * 1982-05-10 1984-01-07 Всесоюзный Научно-Исследовательский И Проектно-Изыскательский Институт По Проблемам Добычи,Транспорта И Переработки Минерального Сырья В Промышленности Строительных Материалов Установка дл канатной распиловки камн
RU7933U1 (ru) * 1998-02-03 1998-10-16 Владимир Николаевич Пашнин Станок для канатной распиловки камня
RU2167351C1 (ru) * 2000-07-26 2001-05-20 Левон Мурадович Мурадян Устройство передачи движения (варианты)

Also Published As

Publication number Publication date
RU2323822C2 (ru) 2008-05-10
RU2006118034A (ru) 2007-12-20

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