SU926178A1

SU926178A1 - Bar-type working implement

Info

Publication number: SU926178A1
Application number: SU802897562A
Authority: SU
Inventors: Дмитрий Андреевич Лозовой; Александр Васильевич Фролов; Сергей Владимирович Козяков; Марина Константиновна Устинова
Original assignee: Саратовский политехнический институт
Priority date: 1980-03-21
Filing date: 1980-03-21
Publication date: 1982-05-07

Description

Изобретение относится к строитель* ному и дорожному машиностроению для . разработки твердых и мерзлых грунтов и, в частности, к рабочим органам для послойного разрушения массива грунта или для предварительной его разработки.The invention relates to construction * and road engineering for. development of hard and frozen soils and, in particular, to working bodies for layer-by-layer destruction of the soil mass or for its preliminary development.

Известен рабочий орган к машине для разработки мерзлого грунта, включающий раму, на которой установлен активный режущий орган, содержащий баровые цепи, горизонтальную фрезу, плуг с лемехом и камерой сгорания. На лемехе выполнены выхлопные отверстия, сообщающие камеру сгорания с атмосферой £1 з.Known working body to the machine for the development of frozen soil, including a frame on which is mounted an active cutting body containing bar chains, a horizontal mill, a plow with a share and a combustion chamber. The ploughshare has exhaust openings communicating the combustion chamber with an atmosphere of £ 1 s.

Недостатком известного устройства является сложность конструкции и высокая энергоемкость процесса разработки грунта.A disadvantage of the known device is the complexity of the design and the high energy intensity of the soil development process.

Наиболее близким по технической сущности к предлагаемому является ба* ровщй рабочий орган траншейной маши ны, включающий корпус, режущую цепь с зубьями, привод цепи и механизм разрушения целиков, расположенный в корпусе и выполненный в виде гидродомкрата [2].The closest in technical essence to the proposed one is the bar * working body of the trench machine, which includes a body, a cutting chain with teeth, a chain drive and a mechanism for breaking pillars located in the body and made in the form of a hydraulic jack [2].

Недостатком этого устройства является цикличность его работы из-за разрушения целиков гидродомкратом при остановке машины.The disadvantage of this device is the cyclical nature of its operation due to the destruction of the pillars by a hydraulic jack when the machine stops.

Цель изобретения - повышение производительности .Указанная цель достигается тем, что механизм разрушения·целиков выполнен в виде газогенератора, имеющего камеру сгорания с выпускным клапаном и выхлопной полостью, при этом корпус барового рабочего органа снабжен боковыми регулируемыми пластинап ми.с отверстиями, через которые выхлопная полост> газогенератора сообщена с атмосферой.The purpose of the invention is to increase productivity. This goal is achieved by the fact that the destruction mechanism of the pillars is made in the form of a gas generator having a combustion chamber with an exhaust valve and an exhaust cavity, while the body of the bar working body is provided with lateral adjustable plates with openings through which the exhaust cavity > The gas generator is connected to the atmosphere.

На фиг. 1 изображен баровый рабочий орган; на фиг. 1 - разрез А-А на фиг. 1; на фиг. 3 ~ вид Бнафиг. 1 и поперечный профиль разрабатывав3 926178 4 мой траншеи в момент воздействия им· рону от прорезаемой щели или разрушепульса газа на грунт; на фиг. 4 профиль разработанной траншеи.In FIG. 1 shows a bar working body; in FIG. 1 is a section AA in FIG. 1; in FIG. 3 ~ view of Bnafig. 1 and a transverse profile, having developed 3 926178 4 of my trench at the moment of exposure to the impact of a cut-through slit or a breakdown of gas on the ground; in FIG. 4 profile designed trench.

Баровый рабочий орган к машине для разработки твердых и мерзлых грун-* тов включает корпус 1, режущую цепь 2 с зубьями 3, привод цепи, осуществляемый через ведущую звездочку 4, и механизм разрушения целиков, выполненный в виде газогенератора 5 с ка- ю мерой 6 сгорания, выпускным клапаном 7 и выхлопной полостью 8. Корпус снабжен регулируемыми по ширине пластинами 9 с отверстиями 10 и прокладкамиThe bar working body to the machine for the development of hard and frozen soils * includes a housing 1, a cutting chain 2 with teeth 3, a chain drive through a sprocket 4, and a rear sight destruction mechanism made in the form of a gas generator 5 with a measure of 6 combustion, exhaust valve 7 and exhaust cavity 8. The housing is equipped with width-adjustable plates 9 with holes 10 and gaskets

11. Баровый рабочий орган навешен на ,5 раме 12 базовой машины 13, подъем и опускание его осуществляется гидроцилиндром 14.11. The bar working body is mounted on the 5th frame 12 of the base machine 13, its raising and lowering is carried out by the hydraulic cylinder 14.

Баровый рабочий орган работает следующим образом. ₂₀ Bar working body works as follows. ₂₀

При движении машины 13 бар режущей цепью 2 нарезает продольные компенсирующие щели 15 (фиг. 3). Затем между двумя нарезанными щелями 15 прорезается центральная щель 16, в 25 процессе нарезки которой через определенный промежуток времени производится воспламенение рабочей Смеси в камере 6 сгорания. Полученный в результате этого импульс газа избыточ- ₃₀ным давлением через выпускной клапан 7 поступает в выхлопную полость 8, откуда через отверстия 10 воздействует на грунт в зоне контакта уплотнительных пластин 9 и разрушает мех<щелевые целики грунта (фиг. 4).When the machine moves 13 bar, the cutting chain 2 cuts longitudinal compensating slots 15 (Fig. 3). Then, between the two slits 15 cut, a central slot 16 is cut, in 25 the process of cutting which, after a certain period of time, the working mixture is ignited in the combustion chamber 6. The resulting pulse ₃₀ nym excess gas pressure through the outlet valve 7 enters the exhaust chamber 8, where through the apertures 10 acts on the ground in the contact area of the sealing plates 9 and destroys fur <slotted ground pillars (FIG. 4).

Возможны также и другие технологические схемы работы устройства. Например, разрушение целика в одну сто ние массива мерзлого грунта без предварительного прорезания дополнительных компенсирующих боковых щелей и т.д.Other technological schemes of operation of the device are also possible. For example, the destruction of a pillar in one standing of an array of frozen ground without first cutting through additional compensating lateral cracks, etc.

Использование изобретения позволит снизить экономические затраты на единицу объема разрабатываемого грунта, уменьшить размер фракций разрушаемых целиков и увеличить общую производительность разработки грунта.The use of the invention will reduce economic costs per unit volume of the developed soil, reduce the size of fractions of the destroyed pillars and increase the overall productivity of the development of the soil.

Claims

I, the invention relates to building and road engineering for the development of hard and frozen soils and, in particular, to working bodies for layer-by-layer destruction of a body of soil or for its preliminary development. Known working body to the machine for the development of frozen soil, comprising a frame on which is installed an active cutting body containing bar chains, a horizontal mill, a plow with a plowshare and a combustion chamber. At the plowshare, exhaust ports are filled, which connect the combustion chamber with the atmosphere 1 1. A disadvantage of the known device is the complexity of the design and the high energy intensity of the soil development process. The closest in technical essence to the present invention is a barrow working body of a trench machine, comprising a housing a cutting chain with teeth, a chain drive and a destruction mechanism for the pillars located in the housing and made in the form of a hydraulic jack 2. The disadvantage of this device is the cyclical nature of its operation. for the destruction of the pillars by a hydraulic jack when stopping the machine. The purpose of the invention is to increase productivity. This goal is achieved by the fact that the destruction mechanism of the targets is made in the form of a gas generator having a combustion chamber with an exhaust valve and an exhaust cavity, while the body of the bar tool body is equipped with side adjustable plates through the holes through which the exhaust The cavity of the gas generator is in communication with the atmosphere. FIG. 1 shows a bar tool; in fig. - section A-A in FIG. one; in fig. 3 is a view of the Bna of FIG. 1 and the transverse profile of the trench being developed at the time of the impact of a gas impulse on the ground; in fig. k profile developed by the trench. The bar tool to the machine for the development of hard and frozen loads includes a body 1, a cutting chain 2 with teeth 3, a chain drive driven through a drive sprocket, and a pillars destruction mechanism made in the form of a gas generator 5 with a combustion chamber 6, an exhaust valve 7 and an exhaust cavity 8. Sleep housing with adjustable width plates: 9 with holes 10 and gaskets 11. The bar tool is mounted on the frame 12 of the base machine 13 and it is lifted and lowered by the hydraulic cylinder 1. The bar tool operates as follows about at once. When the machine moves 13 bar, the cutting chain 2 cuts the longitudinal compensating slots 15 (Fig. 3). Then, between the two cut slits 15, a central slit 16 is cut, during the cutting process of which, after a certain period of time, the working mixture is ignited in the combustion chamber 6. The resulting impulse of gas with excess pressure through the exhaust valve 7 enters the exhaust cavity 8, from where it acts on the ground through the openings 10 on the ground in the contact zone of the sealing plates 9 and destroys the ground gaps of the ground (Fig. 4). Other technological schemes of the device operation are also possible. For example, the destruction of the pillar in one side of the cut gap or the destruction of the array of frozen soil without preliminary penetration of additional compensating side slots, etc. The use of the invention will reduce the economic costs per unit volume of the developed soil, reduce the size of the fractions of the destroyed pillars and increase the overall productivity of the development of the soil. Claims of the invention A bar-type tool body comprising a body, a cutting chain with teeth, a drive with a leading sprocket and a destruction mechanism of the pillars located in the body, characterized in that, in order to increase productivity, the destruction mechanism of the pillars is made in the form of a gas generator having a crojsa with an exhaust valve and an exhaust cavity, while the body of the bar tool body is equipped with side width adjustable plates with openings through which the exhaust cavity of the gas generator is co-amped with the atmosphere eroy Sources of information taken into account during the examination 1. USSR author's certificate f 492626, cl. E 02 F 5/08, 1975.

2. USSR author's certificate ff 309100, cl. E 02 P 5/30, 1969 (PROTOTIES).

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