Device for the extraction of light soils
(57) Abstract:Usage: construction, excavation and movement of soil. Goal - increase efficiency, performance and functionality enhancements. The inventive device for the extraction of light soils of the high-speed gas stream, in which the generator speed gas flow used turbojet engine mounted on the vehicle and connected gazivoda managed nozzle mounted on the boom, movably mounted on the vehicle and provided with a controllable from the driver's seat actuator. Positive effect - increasing the productivity and efficiency of the process of extraction of light soils, the extension of functionality through the use in agriculture and road case. 1 Il. The invention relates to the construction, in particular, is used to move the soil.The known device for excavation of soils, in particular for thermal rock drilling, comprising a generator of a gas stream in the form of a jet to allow the head located at the end of borax. Destruction breeds is the joint impact of high terracom . These devices are very energy intensive and is only applicable for sinking wells, because in them the amount of destructible and floating rocks compared to open small developments.A device for excavation of soils, including the generator gas flow, mounted on a vehicle and connected gazivoda with nozzle .The downside of it is the complexity of design and limited functionality.Goal is to enhance the functionality while simplifying design.This is achieved in that the device for the extraction of light soils, including the generator gas flow, mounted on a vehicle and connected gazivoda with nozzle fitted movably placed on the vehicle by means of a drive, which is hosted gasovod with a nozzle on the end, and the nozzle is provided with a drive rotation.The use of such devices will allow you to extend the functionality of the design due to the possibility of manipulation of the nozzle and boom in horizontal and vertical planes, so you can plan the area for the construction of facilities, roads, to remove the thin layer of soil is th and transport for cleaning snow drifts.The drawing shows a General view of the device for the extraction of light soils of the high-speed gas stream.The device consists of a turbojet engine 1 that is installed together with fuel tanks 2, an air cleaner 3 and shaft 4 on the rotary platform 5 vehicle 6. On the boom 4 fixed gasovod 7 and managed the nozzle 8 to the actuator 9. On a turning platform 5 fitted on the drive shafts 10.The device operates as follows. After starting the turbojet engine 1 gas jet through gasovod 7 and managed the nozzle 8 is directed to the sector, for example, for digging trenches. Lowering the boom 4 and turning the nozzle 8, blown gas jet hole of the prescribed depth, then set the bottom edge of the nozzle 8 in parallel to the bottom of the hole to the desired depth, and move the vehicle 6, produce excavation to the desired length. DEVICE FOR the EXTRACTION of LIGHT SOILS, including the generator gas flow, mounted on a vehicle and connected gazivoda with nozzle, characterized in that the device is provided movably placed on the vehicle by means of a drive, which is hosted gasovod with nozzle on the Sabbath.
FIELD: construction, applicable for trenchless laying and replacement of underground pipe-lines.
SUBSTANCE: a reciprocating striker is positioned in the casing of the pneumatic percussion mechanism. The air-distributing system of the mechanism includes the front and rear working chambers, inlet and exhaust valves and a fixture for closing and opening of the exhaust channels made in the form of a spring-loaded end face stopper coupled to a tractive member. At actuation of the pneumatic percussion mechanism, before the supply of compressed air, the exhaust channels are closed, they are opened after the inner cavities of the pneumatic percussion mechanism are filled with compressed air.
EFFECT: provided automatic cyclic action of the pneumatic percussion mechanism.
3 cl, 3 dwg
FIELD: mining industry; civil engineering.
SUBSTANCE: invention can be used in rippers of gas-dynamic action for loosening firm and frozen soils. Proposed gas-dynamic ripper has hollow rod housing installed coaxially and connected mechanically with housing of screw head with exhaust holes, vertically installed gui9de shaft for fastening on frame of base machine on which bracket is installed for longitudinal displacement with fitted-on bushings for connection with shaft, cocks to control delivery of compressed gas and pipelines to deliver compressed gas from supply source to gas distributor made in form of pneumatic accumulator with hollow shank secured on hollow rod housing, and ring housing with three ring channels in its wall rigidly connected with bracket, coaxially installed inner and outer supply pipes, exhaust control valve installed in screw head installed for limited axial displacement inside housing of screw head and interacting with seat for communicating ring clearance between seat and inner supply pipe with exhaust holes in housing of screw head are provided with control space and inner supply pipe arranged in control space, spring to press valve to seat, and piston for forced displacement of gas installed inside hollow rod housing for limited axial displacement. One of ring channels in wall of ring housing communicates through cock with pipeline to deliver compressed gas from supply source, and it communicates through radial channels made in ring housing through inner supply pipe with valve control space to communicate ring clearance between seat and inner supply pipe with exhaust holes in screw head housing. Space of pneumatic accumulator communicates with atmosphere and with supply source through compressed gas supply control cock, pipelines, ring channel with radial channels in wall of ring housing, radial channels and inner space in shank. Ring clearance between seat and inner supply pipe communicates with supply source through compressed gas supply cock, pipelines, ring channel with radial channels in wall of ring housing and outer supply pipe. Housing of pneumatic accumulator is made in form of hollow cylinder with lower and upper flanged parts provided with concentric holes for coaxial fastening of upper flanged part of pneumatic accumulator to flanged part of hollow shank, for coaxial fastening of lower flanged part of pneumatic accumulator to flanged part of hollow rod housing made at a distance from its upper end face equal to height of housing of pneumatic accumulator. Seat installed on upper end face of hollow rod housing for limiting upwards movement of forced gas displacement piston. Spring for limiting downward movement of forced gas displacement piston is installed on upper end face of seat to limit upward movement exhaust control valve. Outer supply pipe is installed in central hole of forced gas displacement piston.
EFFECT: increased efficiency.
FIELD: mining industry.
SUBSTANCE: method includes expanding guiding pipeline by extracting soil from around it by driving shield with rotor working implement. Soil is extracted to value, surpassing needed outer diameter of shield cover. Forming ring-shaped space inside tunnel mine is compacted from back side and continuously filled with liquid. Concurrently sedimentation of extracted soil is drained from lower portion of face. Displacement of driving equipment relatively to guiding pipeline is performed along soft trajectory. Device has means for driving guiding pipeline and driving shield with rotor working implement. Rotor working implement is mounted on body of driving shield. Front surface of working implement with cutters extends beyond outer contour of shield cover, provided with back end compaction. Device is provided with fluid pump device. Force hose of pump is outputted from upward portion beyond outer contour of shield cover. Device for transporting extracted soil from face is made in form of suck-in hose connected to pump device and to lower portion of ring space beyond rotor working implement.
EFFECT: lower transverse loads on guiding pipeline.
2 cl, 1 dwg
FIELD: equipment for pipeline laying and repair.
SUBSTANCE: mechanism comprises several identical carriages with outer and inner frames. Outer frames are provided with longitudinal guiding paths. Inner frames have guiding running wheels. Outer frames are installed on running wheels by longitudinal guiding paths. Each frame is provided with clip-on chucks connected one to another by hydraulic cylinders located in corresponding carriages. Carriages have support means resting upon pipeline. Support means are installed on inner frames. One carriage is fixedly connected with neighboring carriage through mounting panel used for attached implements mounting.
EFFECT: simplified structure and increased productivity.
FIELD: railway transport; track maintenance machinery.
SUBSTANCE: proposed chain 1 has links 9 connected to form endless chain on which gripping members 10 are secured designed to remove ballast 5 under rail track 4, and protective plates 11 installed between gripping members 10 and covering chain links 9. Chain is furnished with member 13 to force off clay installed between every two adjacent gripping members 10 and passing over to adjacent protective plates 11, but secured only on one of two protective plates 11. Clay force off member 13 is made in form of plate and is provided with lugs 14 or cavities 15 located, when viewing in direction of movement of chain 1, on rear end of clay force off member 13.
EFFECT: provision of chain with reduced contamination of chain proper.
4 cl, 3 dwg
FIELD: open-cast mining.
SUBSTANCE: invention relates to continuous-operation self-propelled device designed for checking possibility of mining mineral materials and taking out interlayers whose properties, from point of view of their breaking and further transportation, are of vital importance at open cast mining. Proposed device has running gear, frame with drive unit and control panel and cutting drum arranged before running gear and equipped with cutting tools. Said drum is installed in supports of carrying frame for rotation around horizontal axis and is made for adjusting position in height by means of cylinder installed between frames and carrying frame. Crawler-type running gear is used. Cutting drum passes over entire width of device, and it is furnished with guide partitions and guard shield, is functionally connected with chute-like housing and is made for stepless change of speed of rotation, speed of feed and adjusting transverse tilting from one of two sides relative to working platform owing to vertical adjustment of position of one of hinge joints connection device frame and carrying frame which is made in form of forked rotary cantilever.
EFFECT: improved operating capabilities of device.
5 cl, 5 dwg
FIELD: pneumatic devices of impact action for laying the communication lines.
SUBSTANCE: the invention is pertinent to production of the impact action pneumatic devices intended for laying the communication lines. The impact action pneumatic device contains: a hollow body (1) with a located inside it striker (2) with a central through channel (3) dividing the cavity of the body into a working stroke chamber (4) and an idle stroke chamber (5); a pipe 6 with a longitudinal bypass channel with the gate-type steps interacting with a central through channel supplied with a permanently open inlet throttle channel leading into the chamber of the idle stroke; a spinneret with a permanently open inlet channel; a working tool with a shank passing into the idle stroke chamber; the outlet channels of the body. In the working stroke chamber on the side of the spinneret there is a cover 10 with a central hole, forming a network air supply prechamber between the spinneret and the cover. The pipe is installed in the central hole of the cover with an annular clearance. The invention improves reliability.
EFFECT: the invention improves reliability.
3 cl, 3 dwg
FIELD: construction engineering.
SUBSTANCE: invention relates to methods and devices used for repair of underground pipelines and it can be used for compacting soil at sides and under pipelines of large diameter at repairing with digging down. Proposed device has single-bucket excavator as base machine whose working equipment is source of compacting motions, mechanism to transmit said motions to soil secured to dipper stick and working members with compacting plates. Mechanism to transmit compacting motions to soil is made in form of cylindrical ram connected to dipper stick of excavator and provided with fork on lower end whose eyes are connected with saddle. Ram is movable enclosed by cup with eyes on its upper end carrying rocker with tie-rods. Working members are made in form of two opposite bell cranks provided with compacting plates on ends. Bell cranks are hinge-connected with eyes of fork by means of common axle. Bell cranks are hinge-connected with tie-rods of rocker, and eyes of cup are hinge-connected with shackle of excavator dipper stick by means of tire-rod.
EFFECT: provision of guaranteed compaction of soil under large-diameter pipeline.
FIELD: building, particularly for laying pipelines, for constructing buried passages during pipeline laying, laying cable lines and power lines.
SUBSTANCE: device has hollow conical working tip connected with stem through hinge and through rotary support. Stem is secured in rotary supports to flange mounted on front end of pipeline in the line of puncture direction. Installed in pipeline to be laid is vibrator drive connected to stem. Device has cage connected to stem, vibrator forming circular vibrations and made as unbalance. Unbalance is formed as hollow cylinder sector arranged inside working tip on rotary supports and connected to cage. Device also includes feeding mechanism.
EFFECT: increased operational efficiency.
FIELD: metal pipe driving.
SUBSTANCE: according to proposed method including change of value of backward stroke of striker interacting with operating resilient member and working liquid and stepless change of working liquid pressure at which striker changes from backward to forward stroke by changing force of preliminary compression of setting resilient member interacting with valve, it is proposed to control additional speed of valve forward stroke so that time of valve closing be not less than time of forward stroke of striker. Adjustable hydraulic impact machine contains striker unit and impact energy control device. Striker unit includes housing accommodating first working chamber, striker and operating resilient member. Impact energy control device is made in form of housing with second working chamber and valve interacting with setting resilient member. First and second working chambers are hydraulically coupled. Impact energy control device should be preferably equipped with valve forward stroke speed regulator including hydraulically independent shock-absorbing chamber with shock-absorbing liquid divided into upper and lower parts by ring-shock-absorbing piston arranged on valve. Upper and lower parts of shock-absorbing chamber are interconnected through channels, shutoff valve and restrictor.
EFFECT: enlarged sphere of application and improved reliability in operation.
3 cl, 1 tbl, 1 dwg