![]() Self-propelled earth crushing machine
专利摘要:
According to the present invention, a mobile, self-propelling crushing machine includes a structure essentially consisting of two beams (1, 2), on which a central frame (3) is welded, said central frame housing a rotor (30), which is supported on a frame (16), which, in one form of execution of the invention, is lowered by hydraulic cylinders (12, 13, 14, 15) fixed to the frame. In another form of execution of the invention, the frame (65) is driven by four mechanical jacks, being connected with each other by means of chains (68, 69) and being driven by a single hydraulic motor (60). Thus the penetration fo the rotor into the soil to be treated does not depend only on its own weight, but especially on the action of the just-mentioned hydraulic cylinders or mechanical jacks. The rotor (30) is driven by two hydraulic motors (38, 39) the one opposite to the other and self-adjusted, so that, when a pressure transductor signals a pressure increase to the hydraulic motors of the rotor, due to an increased effort, the forward movement speed of the machine, which moves on tracks, decreases as a consequence. 公开号:SU1641196A3 申请号:SU874202979 申请日:1987-07-10 公开日:1991-04-07 发明作者:Барбьери Эльда 申请人:Эльда Барбьери (IT); IPC主号:
专利说明:
Figz in the form of two hydraulic motors placed in its cavity. To determine the rotor position in the vertical plane, the machine has a sensor. To install the motors, the side walls of the center frame have flanges. Wherein The flanges are installed with the possibility of setting two pairs of bearings, one of which is equipped with a rotor, and the other with half-joints, 7 hp. f-ly, 11 ill. 20 The invention relates to a self-propelled earth-moving crushing machine designed to process and build up the surface layer of the soil, as well as to cultivate open mine workings and to prepare the road bed. The aim of the invention is to increase efficiency. FIG. 1 shows a crusher, side view; in fig. 2 - part of the supporting structure and the central frame, isometric; in fig. 3 - frame, on which 25 the rotor is mounted, connected to the supporting structure by hydraulic cylinders; in fig. 4 - installation of the rotor on the frame relative to the supporting structure; in fig. 5 - machine with “device of impactors in the rotor, horizontal section; in fig. 6 - rotor crushing machine, incision; in Fig.7, the shape of the profile of the flange holding the impactors; in fig. 8 — node I in FIG. five; in fig „9 - crushing machine ,, | side view; in fig. 10 - the same, top view; in fig. 11 - guiding device of the rotor frame. 1 A self-propelled crushing machine co, Q holds a supporting structure consisting of two longitudinal parallel beams 1 and 2 of two-taupe type, in the middle expanded part of which a central frame 3 is placed having a parallelepiped shape. This frame consists of four vertical posts 4-7, which are V-shaped and welded to the main beams 1 and 2, and also from four upper transverse beams, which are V-shaped and welded to each other and to the vertical stands. Four hydrocylinders are directly connected to two of the four upper transverse beams. Cylinders 12 and 13 are connected to 55 beam 10, and cylinders 14 and 15 are connected to beam 8. Since the hydraulic cylinders are connected to side cylinders 50 0 , 5 Q g 5 0 the sides of the rotor frame 16, the frame with the rotor is held by four hydraulic cylinders. Actually, the cylinder rods 12 and 13 (Figs 3 and 4) are connected to the brackets 17 and 18, which are welded to the side wall 19 of the frame 1b. The pressure applied to the ground by the rotor depends not only on the mass of the rotor design and the supporting structure, but it is also determined by the hydraulic force applied by the cylinders to the rotor frame. The rotor frame 16 consists of two side metal sheets 19 and 20, as well as a rear metal sheet 21 (FIG. 4). The side plates 19 and 20 are not only retained by the hydraulic cylinders 12 and 13, 14 and 15, they are also guided in vertical uprights by V-shaped sliders which are welded to the sheets 19 and 20 and inserted into the uprights. Moreover, the sliders 22 and 23 are inserted in racks 4 and 6, and the sliders 24 and 25 are inserted in racks 5 and 7, respectively. The rotor of the crushing machine consists of a cylinder 26, on the surface of which there are equal distances from each other, separated by intermediate spacers 27, circular rings 28 (Fig. 6). Drummers 29, which destroy hard rock, are attached to rings 28. The cylinder is mounted on two roller bearings 30 and 31, which are connected to two flanges 32 and 33. Each of these flanges is bolted to frame 16, and the shape of the flanges is such that inside they are placed and fixed by hydromotors. In this case, the motor 34 is fixed in the flange 32, and the hydraulic motor 35 is fixed in the flange 33. The hydraulic motors 34 and 35 are located in the cavities formed by the flanges 32 and 33, respectively, so the rotor can penetrate into the soil to be treated without any constraints related to hydromoto location five ditch The width of the soil capture by the impactors of the rotor is equal to the maximum distance between two opposite hydraulic motors 34 and 35, therefore the rotor easily penetrates the ground to a given depth. The shaft 36 of the motor 34 is connected to a half flange semi-joint 37, which is fastened with bolts 38 with a round rim 39 welded to the rotor cylinder in its central part. Similarly, the shaft 40 of the motor 35 is attached to the flange semi-socket 41, which is also attached to the round rim 39. Between the flanges and the semi-joints there are two bearings that center and hold the semi-joints. Bearings 42 are located between flanges 32 and 33 and semi-joints 41 and 37 " The opposite arrangement of two hydraulic motors 34 and 35 ensures a uniform distribution of the forces applied to the rotor, as well as an almost uniform distribution of the load on the bearings. As a result, the life of the rotor bearings, as well as all the elements associated with them, is increased. The rotational speed of the rotor is directly proportional to the pressure of the fluid that drives the motors to rotate, and the speed of the motors is proportional to the flow rate of the motors. These parameters can be varied with the help of known control devices that act on the pumps of the hydraulic unit 43, which is present in the crushing machine. In this case, the traveling motor of the self-propelled machine is also hydraulic, which allows direct synchronization of the speed of movement of the machine with the monosity taken by the rotor during the crushing operation. Therefore, in a hydraulic circuit that is connected to rotor motors 34 and 35, a pressure sensor (not shown) is provided that detects the pressure in the circuit and sends the proportional electrical signal to an electronic balancing circuit that acts on the flow control valve, thereby reducing the flow rate of the fluid directed to the crawler engine and reducing the speed of the machine if there is a signal of an increase in pressure. five 0 five 0 If signals are received from the sensor to reduce the pressure, for example, when there are few obstacles in the soil, then the fluid supply to the propulsion motor increases, accelerating the movement of the machine. The rotor flanges have six points 44 of fasteners (Fig. 4), which makes it possible to install a single drummer with a counterweight on the opposite side or to install two opposite drummers. All of this is done according to the type of soil being cultivated, as well as according to the speed of its treatment. Drummer 29 has the appearance of a prismatic metal block, which is included in the recess 45 (Fig. 6), The shape of the rings 28 is such that the diameter of the rim on the side of the firing pin is smaller than on the opposite side, therefore the firing pin can be placed independently at an angle in the direction opposite to the direction of rotation of the rotor (Fig. 7), thereby eliminating damage to the firing pin when it hits hard rock Fasteners are fastened to the flange by bolts 46, which are screwed into threaded bushings 47 of the same length. The length of the bolt and sleeve is such that two parts can be removed from the hole 48 without interference from the adjacent drummer. This is significant since the replacement of worn-out impactors is very frequent, and it is therefore necessary that this operation be carried out without attracting additional labor. To increase the stability of the machine and the force acting down on the rotor during the crushing operation, it is advisable to place the fuel tank 49 directly on the frame 16 of the rotor just above it (Fig. 4) „ In the lower part of the metal sheet 21 of the frame 16, it is desirable to install a leveling roller 50 which aligns the soil after it has been machined. Lowering and raising the rotor is not provided by four 5 hydraulic cylinders (Fig. 8-10), but by four mechanical jacks located at the corners of the frame carrying the rotor. A single motor 51 ensures the rotation of two coaxially five 0 five half of the shafts 52 and 53 extending from opposite sides of the gear reducer caused the vertical screws 54 and 55, respectively, to rotate. Each of the screws 54 and 55 is connected to a nut, which is rigidly connected to the frame 56, which holds the rotor. Gear reducers which rotate the other two screws 57 and 58 of the remaining jacks are driven by chain 59 (for screw 57) and chain 60 (for screw 58). Therefore, circuit 59 connects the gearbox with screws 54 and 57, and circuit 60 connects the gearbox with screws 55 and 58, As a result, all four screws of the jacks will turn to the same angle and therefore the nuts will have the same movement ensuring uniform tillage. The frame 56 holding the rotor 26 is guided at the four corners by two, with axle tubes fastened together. More precisely, the metal plate 62 is welded to the frame 56 supporting the rotor, which is shown in FIG. 10 in the form of a pipe 63 welded to its end. The other pipe 64 has a longitudinal slot in which the plate 62 passes, and the pipe 64 is welded to the plate 65 connected to the machine frame. When the rotor 26 is moved downward relative to the frame of the machine, the frame 56 and the rotor are moved in four tubular struts within the respective racks 64. The relative position of the rotor and the frame of the self-propelled machine is determined by the sensor 66, which determines the position of the rotor on a scale of 67, marked with dots 68 o The rotor 26 is closed from above by a protective plate consisting of a fixed part 69 and a movable part 70, which can be lifted using an air cylinder 71 " This allows the rotor to be inspected from the top of the machine, where worn bits can be easily replaced. The proposed machine in both versions is equipped with sensors generating a wear signal of the striker, which is transmitted to the driver’s cabin when the wear reaches a predetermined value. Sensors 72 are mounted on plate 69, each sensor being set0. five 0 five 0 five 0 five 0 five flax in a certain position relative to each round flange 28 - rotor 26 (Fig. 8 and 9). Thus, if one of the firing pin mounted on the flange 28 is worn out or broken, then the sensor 72 will detect the presence of a defect and send a signal to the control panel 72 in the cockpit 74. There are two separate endothermic engines that independently move the machine and rotate the rotor (figs 8 and 9) In particular, the engine 75 drives the rotor motors, and the engine 51 drives the mechanical jacks, while the engine 76 of lesser capacity as compared to the engine 75 moves the tracks 77 of the machine. Formula of invention
权利要求:
Claims (2) [1] 1. A self-propelled crushing machine, comprising a carrier structure having two longitudinal parallel beams with which the central frame is connected with a driving rotor mounted on it, mounted on its frame, with percussion guns located on the periphery, which is different in that work, the central frame of the rotor is equipped with a feed mechanism in the direction perpendicular to the longitudinal beams of the supporting structure, located at the four corners of the frame. [2] 2. Machine pop. 1, characterized in that the rotor feeding mechanism is made of at least four vertically mounted hydraulic cylinders rigidly connected to the supporting structure and the central frame. 3 "Machine according to claim 1, characterized in that the rotor feed mechanism is made of at least four vertically mounted mechanical jacks interconnected by means of chains and equipped with a hydraulic motor, each of the mechanical jacks made in the form of a screw, and central the rotor frame has nuts that are rigidly connected to it to accommodate the corresponding screws. 4 o The machine according to claim 1, distinguished by the fact that the machine is equipped with a roto V position detection sensor Ojft -f-4J6-4J6-4JS- & -fy -fljft- -ty v. Phi $ .1 YU 13 ks 51 ) 1641196 TO LL-i I I L .fig. 4Five. five ten Iupt cho about g cho ЈЈ 02 FIG. 7 5 S1 Editor L.Gratillo Tehred L.Oliynyk Order 1023 Circulation 391 Subscription VNIIPI State Committee for Inventions and Discoveries at the State Committee on Science and Technology of the USSR 113035, Moscow, Zh-35, Raushsk nab. 4/5 m phi2.8 „S8 76 j SM W. / - -T .. -r.-I / 59 5B AT 5 Proofreader M.Samborsk
类似技术:
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同族专利:
公开号 | 公开日 EP0252419B1|1991-10-09| IL83122D0|1987-12-31| BR8703553A|1988-03-22| GR3003544T3|1993-03-16| JPS6322903A|1988-01-30| ES2026865T3|1992-05-16| DE3773550D1|1991-11-14| IT8685576D0|1986-07-11| IL83122A|1990-07-26| AU596675B2|1990-05-10| CA1285419C|1991-07-02| AU7527287A|1988-01-14| IT1205549B|1989-03-23| ZA874861B|1988-03-30| AT68109T|1991-10-15| EP0252419A3|1989-06-14| CN87106043A|1988-03-30| EP0252419A2|1988-01-13| YU129587A|1990-04-30| CN1005740B|1989-11-08| IN168006B|1991-01-19| US4903780A|1990-02-27|
引用文献:
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申请号 | 申请日 | 专利标题 IT85576/86A|IT1205549B|1986-07-11|1986-07-11|SELF-PROPELLED MOBILE CRUSHER MACHINE| 相关专利
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