RU200827U1 - Self-propelled end station - Google Patents

Abstract

The utility model relates to the field of hoisting and transport engineering, namely to devices based on overhead rope systems for mobile deployment of transport and handling freight and passenger roads in unequipped and hard-to-reach terrain, in response to natural or man-made emergencies. The self-propelled end station, in the form of a mobile chassis equipped with outriggers and anchors, is intended for use with another similar chassis, as part of a mobile transport and reloading rope complex and contains a drive and tension mechanism, an end support fixed on its supporting frame with a rope pulley located on it and an envelope rope pulley closed tensioned supporting-traction rope with hook-on devices for suspension of transported goods. In this case, the end support with its lower end is pivotally attached to the supporting frame of the self-propelled end station and has the ability to move in a vertical plane coinciding with the longitudinal axis of the mobile chassis to an arbitrary angle of no more than 120 degrees using a lifting hydraulic cylinder, and a rope the pulley is equipped with a rotation mechanism at an angle not exceeding 90 degrees using a rotary hydraulic cylinder. The technical result of the claimed utility model is to provide the possibility of installing and adjusting the spatial position of the end supports of the mobile transport and reloading rope complex in order to coordinate the mutual arrangement of rope pulleys and a supporting-traction rope in the same plane, regardless of the height difference at the installation sites of the self-propelled end stations and from the relative position of the self-propelled end stations in relation to each other, as well as the automation of the actions of the maintenance personnel to transfer the end supports from the working position to the transport position and vice versa. 7 ill.

Description

The utility model relates to the field of hoisting and transport engineering, namely to devices based on overhead rope systems for mobile deployment of transport and handling freight and passenger roads in unequipped and hard-to-reach terrain, in response to natural or man-made emergencies.

The known design of the rear mast for a mobile rope skidding installation (patent RU No. 84181, A01G 23/02, 2009) [1], placed with the possibility of its lateral location on a self-propelled base, having a chassis with a manually driven turntable mounted on it , moreover, the mast is equipped with vertical and inclined posts connected by means of a hinge, of which the inclined post is attached by means of a trunnion to the turntable, and the vertical post is held by a rope wound on a drum with one end and stored in blocks on a vertical post for lifting and lowering the mast when its transfer to the transport position when relocating the mobile cable skidder to a new location.

This design has a number of significant design and functional disadvantages. First, in the working position, the rear mast is not directly placed on the self-propelled chassis, which does not allow the use of outriggers and anchor devices to ensure stability against overturning under the operating load. Secondly, the work on mounting / dismantling the rear mast is not mechanized, it is done manually. Thirdly, which is the most important for the proposed utility model, the design of the rear mast does not allow for the movement of the supporting-traction rope together with the transported load, since the mast only provides tension of the stationary carrying rope for moving carriages with felled trees along it due to the lack of rotating from the drive mechanism of the rope pulley.

The closest in technical essence to the proposed utility model and adopted for its prototype is a cable car (patent RU No. 2247671, В61В 7/00, 2005) [2], containing a drive cable pulley, kinematically connected to the propeller located horizontally on vertically installed hydraulic outriggers of the main self-propelled transport unit, and is also equipped with an additional self-propelled transport unit, anchored with a tensioner along the axis of the cable car and located towards the main self-propelled transport unit so that the longitudinal axes of the units are located along the longitudinal axis of the cable car, as well as a closed tensioned supporting traction rope with towing devices, bending around the pulleys and resting on traction units, located on telescopic supports located along the axis of the cable car.

A significant drawback of the considered prototype is that the drive rope pulleys located on self-propelled transport units are permanently mounted in a horizontal plane, which requires, with a difference in the heights of the location on the ground at the end points of the cable car route of self-propelled transport units, the use of intermediate telescopic supports not only to maintain the supporting-traction rope along the length of the route, but also for coupling the end sections of the ropeway with the horizontal orientation of the specified rope with the inclined section of the ropeway. The presence of such end sections with a strictly horizontal orientation of the supporting-traction rope is a prerequisite for the high-quality operation of the mobile ropeway under consideration, since according to known experimental data (for example, [3]) even minor deviations of the longitudinal axis of the carrying rope from the plane of the rope pulley lead to increased wear profiled pulley stream and the rope itself. According to [3], the deviation of the pulley groove axis from the rope axis should not exceed 1 degree in order to avoid intensive wear of both the profiled pulley groove and the supporting traction rope itself. Intense wear leads to a decrease in the service life of the elements of the ropeway system of the mobile ropeway and the safety of its operation.

The technical problem to be solved by the proposed utility model is to ensure the possibility of installing and adjusting the spatial position of the end support of the self-propelled end station, intended for use with another similar chassis as part of a mobile transport and handling rope complex, in order to coordinate the mutual arrangement of rope pulleys and -pull rope in one plane, regardless of the height difference in the places where the self-propelled end stations are installed and from the relative position of the self-propelled end stations in relation to each other, as well as the automation of the actions of the maintenance personnel to transfer the end support from the working position to the transport position and back. This also increases the durability of an expensive element - the rope system - during operation and reduces the duration of auxiliary technological operations when deploying / dismantling a mobile ropeway.

To solve the specified technical problem in a self-propelled end station, in the form of a mobile chassis equipped with outriggers and anchors, intended for use with another similar chassis as part of a mobile transport and handling rope complex containing a drive and tension mechanism, an end support fixed to its supporting frame with on it with a rope pulley and a bending rope pulley, a closed tensioned supporting-traction rope with trailed devices for suspension of transported goods, the end support with its lower end is pivotally attached to the supporting frame of the self-propelled end station and has the ability to move in a vertical plane that coincides with the longitudinal axis of the mobile chassis, to an arbitrary angle of not more than 120 degrees using a lifting hydraulic cylinder, and a rope pulley pivotally attached to the head of the end support is equipped with a rotation mechanism at an angle not exceeding 90 degrees using a rotary hydraulic cylinder.

The utility model is explained in more detail using the drawings. All elements not required for direct understanding of the utility model are excluded.

FIG. 1 shows a general view of a self-propelled terminal station with an end support in the transport (non-working) position; in fig. 2 is a general view of a self-propelled terminal station with an end support in working position; in fig. 3 - section A-A in Fig. 2; in fig. 4 - section b-b in Fig. 2; in fig. 5 - the design of the attachment point and the mechanism for turning the rope pulley (element I in Fig. 2, side view); in fig. 6 - view A in FIG. 2; in fig. 7 is a general view of a self-propelled end station with a telescopic end support in working position.

The essence of the utility model is as follows.

On the platform 1 (Fig. 1, 2, 7), mounted on the supporting frame 2 (Fig. 1, 2, 4, 7) of the self-propelled end station 3 (Fig. 1, 2, 7), the end support 4 is fixed with its lower end (Figs. 1-3, 6). Its attachment unit is a cylindrical hinge formed by a pair of lugs 5 (Figs. 1, 2, 7), fixed, for example, by welding on the platform 1, and a pair of lugs 6 (Figs. 1, 2, 7), fixed to the lower the end of the end support 4 (Figs. 1-3, 6), into the coaxial holes of which the hinge pin 7 is inserted (Figs. 1, 2, 7). This design of the attachment point for the end support 4 (Figs. 1-3, 6) allows it to rotate in a vertical plane, coinciding with the longitudinal axis of the mobile chassis, at an angle not more than 120 degrees. To the lower part of the end support 4 (Figs. 1-3, 6) with the help of a cylindrical hinge (Fig. 3), a rod 8 (Figs. 1-3, 7) of the lifting hydraulic cylinder 9 (Figs. 1, 2, 4) is attached. The specified cylindrical hinge is formed by a pair of profiled lugs 10 (Fig. 1-3, 7), fixedly fixed on the lateral sides of the end support 4 (Fig. 1-3, 6), in the coaxial holes of which the hinge pin 11 is inserted (Fig. 1-3 , 7) with the fastening sleeve 12 (Fig. 3) of the rod 8 (Fig. 1-3, 7) of the lifting hydraulic cylinder 9 (Fig. 1, 2, 4) put on it. The body of the lifting hydraulic cylinder 9 (Fig. 1, 2, 4) with the help of a cylindrical hinge (Fig. 4) is attached to the supporting frame 2 (Fig. 1, 2, 4, 7). The specified cylindrical hinge is formed by a pair of profiled lugs 13 (Fig. 1, 2, 4, 7), fixed, for example, by welding on the supporting frame 2 (Fig. 1, 2, 4, 7), into the coaxial holes of which the hinge pin 14 (Figs. 1, 2, 4, 7) with an end cap shackle 15 (Fig. 4) of the lifting hydraulic cylinder 9 (Figs. 1, 2, 4) put on it. To the head of the end support 4 (Fig. 1-3, 6) is attached a mechanism for turning the rope pulley (element I in Fig. 2). The structural elements of the rope pulley turning mechanism are fixed on the frame 16 (Fig. 1, 2, 7), which consists of a horizontal plate 17 (Fig. 5, 6), a vertical plate 18 (Fig. 5, 6), two parallel stiffeners 19 (Fig. 5, 6) and two parallel profiled lugs 20 (Fig. 5, 6). On the vertical plate 18 (Fig. 5, 6), a hydraulic motor 22 (Fig. 5, 6) is fixed with bolts 21 (Fig. 5, 6). Currently, the most widely used hydraulic motors for mobile transport and technological machines are hydraulic motors (or reversible hydraulic machines - pump motors) of the axial-piston or radial-piston type [4]. To the hydraulic motor 22 (Fig. 5, 6) through the fittings 23 (Fig. 5, 6), the working fluid from the hydraulic pump is supplied through the pressure pipelines (the pipelines and the pump are not conventionally shown). The output shaft of the hydraulic motor 22 (Fig. 5, 6) by means of the clutch 24 (Fig. 5) is kinematically connected to the high-speed (input) shaft of the worm gear 25 (Fig. 5, 6), which is fixed on the horizontal plate 17 (Fig. 5, 6) frame 16 (Fig. 1, 2, 7). The low-speed (output) shaft of the worm gear 25 (Figs. 5, 6) is kinematically connected to the drive shaft 27 (Figs. 5, 6) by means of a clutch 26 (Figs. 5, 6), at the end of which, by means of a detachable connection, for example, keyed or spline connection is fixed rope pulley 28 (Fig. 1, 2, 5-7). In the profiled stream of the rope pulley 28 (Fig. 1, 2, 5-7) there is a supporting-traction rope 29 (Fig. 2, 5-7), which bends around the rope pulley 28 (Fig. 1, 2, 5-7). The drive shaft 27 (Fig. 5, 6) with the help of rolling bearings - thrust roller bearing 30 (Fig. 5, 6) and spherical deep groove ball bearings 31 (Fig. 5, 6) is fixed in the housing of the rope pulley turning mechanism formed by the glass 32 (Fig. . 5, 6) and fixed on it with bolts 33 (Fig. 5, 6) end cap 34 (Fig. 5, 6) and a safety casing 35 (Fig. 1, 2, 5-7). The glass 32 (Fig. 5, 6) has a thickened central part for the fixed attachment of the axle shafts 36 (Fig. 5, 6), for example, by means of an annular weld. Semi-axes 36 (Fig. 5, 6) are installed in the coaxial holes of two parallel profiled lugs 37 (Fig. 1, 2, 6, 7), fixed, for example, by welding on the side walls of the end support 4 (Fig. 1- 3, 6). A pivot pin 38 (Fig. 1, 2, 6, 7) is inserted into the coaxial holes of two parallel profiled lugs 20 (Figs. 5, 6) with a fastening sleeve 39 (Fig. 6) of the rod 40 (Fig. 1, 2, 6, 7) of the rotary hydraulic cylinder 41 (Fig. 1, 2, 7). The other end of the rotary hydraulic cylinder 41 (Fig. 1, 2, 7) is attached to the end support 4 (Fig. 1-3, 6) using a cylindrical hinge. The specified hinge is formed by a pair of profiled lugs 42 (Fig. 1, 2, 7), into the coaxial holes of which a hinge pin 43 (Fig. 1, 2, 7) is inserted with a shackle of the end cover of the rotary hydraulic cylinder 41 (Fig. 1, 2 , 7) (the design of the hinge is similar to that shown in Fig. 4). In the rolling bearings used in the design of the listed cylindrical hinges, as well as in bearings 30 (Fig. 5, 6) and 31 (Fig. 5, 6) filled with a grease similar to that recommended for use in friction units of mobile transport and technological machines [ 4].

The utility model works as follows.

To the destination, the self-propelled end station 3 (Fig. 1, 2, 7) is extended, having the end support 4 (Fig. 1-3, 6) in the transport position (as shown in Fig. 1). In order to prevent damage to the metal structure of the end support 4 (Fig. 1-3, 6) due to movement on an uneven surface, in the transport position, the end support 4 (Fig. 1-3, 6) rests on and is fixed on the transport rack 44 (Fig. 1, 2, 7). Upon reaching the destination, the self-propelled end station 3 (Figs. 1, 2, 7) is oriented in such a way that the longitudinal axis of the mobile chassis coincides with the longitudinal axis of the cable car. To ensure overall stability in the presence of significant horizontal overturning loads from the tension force of the supporting-traction rope and the transported cargo, the self-propelled end station 3 (Figs. 1, 2, 7) is put on outriggers (outriggers), which are fixed in the ground using additional anchor devices (conventionally not shown, since they can be used as known designs of outriggers with anchor devices [5]). The installation of the end support 4 (Fig. 1-3, 6) is carried out in two stages due to the need to coordinate the mutual arrangement of the rope pulleys 28 (Fig. 1, 2, 5-7) of the mating self-propelled end stations 3 (Fig. 1, 2, 7) when they are combined into a single rope transport system using a common supporting-traction rope 29 (Fig. 2, 5-7). At the first stage of the installation, which is of a preliminary nature, the looped supporting-traction rope 29 (Figs. 2, 5-7) is placed in the groove of the rope pulley 28 (Figs. 1, 2, 5-7). In this case, the safety casing 35 (Fig. 1, 2, 5-7) provides reliable fixation of the supporting-traction rope 29 (Fig. 2, 5-7), excluding the possibility of its jumping off the rope pulley 28 (Fig. 1, 2, 5 -7) in the process of further movement of the end support 4 (Fig. 1-3, 6) from the transport to the working position. By extending the rod 8 (Fig. 1-3, 7) of the lifting hydraulic cylinder 9 (Fig. 1, 2, 4), into which the working fluid is supplied under pressure from the hydraulic system of the self-propelled end station 3 (Fig. 1, 2, 7), the end support 4 (Figs. 1-3, 6) is previously rotated by approximately the required angle a, not exceeding 120 degrees. The required angle of rotation a is determined based on the relative altitude location on the ground of the self-propelled end stations 3 (Fig. 1, 2, 7). If the neighboring self-propelled end station 3 (Figs. 1, 2, 7) is located higher, then, as a rule, the angle a must be at least 90 degrees, otherwise the angle a must be no more than 90 degrees. Further, by extending the rod 40 (Fig. 1, 2, 6, 7) of the rotary hydraulic cylinder 41 (Fig. 1, 2, 7), into which the working fluid from the hydraulic system of the self-propelled end station 3 is supplied through pressure pipelines (conventionally not shown) (Figs. 1, 2, 7), the frame 16 (Figs. 1, 2, 7) of the mechanism for turning the rope pulley, and with it the rope pulley itself 28 (Figs. 1, 2, 5-7) are pre-rotated around the axle shafts 36 (Fig. 5, 6) relative to the longitudinal axis of the end support 4 (Fig. 1-3, 6) at an approximately required angle not exceeding 90 degrees. This angle is determined based on the need to match the angle of inclination to the horizon of the plane of the rope pulley 28 (Figs. 1, 2, 5-7) and the angle of inclination to the horizon of the longitudinal axis of the supporting-traction rope 29 (Figs. 2, 5-7) when installing both self-propelled end stations 3 (Fig. 1, 2, 7) in the working position. At the second stage of installation of the end support 4 (Fig. 1-3, 6), which is of an adjusting nature, by additional (corrective) extension of the rod 8 (Fig. 1-3, 7) of the lifting hydraulic cylinder 9 (Fig. 1, 2, 4 ), into which the working fluid from the hydraulic system of the self-propelled end station 3 (Figs. 1, 2, 7) is supplied through pressure pipelines (conventionally not shown), the end support 4 (Figs. 1-3, 6) rotates within several degrees , which leads to obtaining the final value of the required angle a, not exceeding 120 degrees. Additional (corrective) rotation of the end support 4 (Fig. 1-3, 6) allows you to create a working tension of the supporting-traction rope. Further, by means of an additional (corrective) movement (extension or reverse movement) of the rod 40 (Figs. 1, 2, 6, 7) of the rotary hydraulic cylinder 41 (Figs. 1, 2, 7), into which it is fed through pressure pipelines (conventionally not shown) under pressure, the working fluid from the hydraulic system of the self-propelled end station 3 (Fig. 1, 2, 7), the frame 16 (Fig. 1, 2, 7) of the rotation mechanism of the rope pulley, and with it the rope pulley itself 28 (Fig. 1, 2, 5-7) are additionally rotated around the semiaxes 36 (Fig. 5, 6) relative to the longitudinal axis of the end support 4 (Fig. 1-3, 6) by several degrees, which leads to the final value of the required angle of inclination of the rope pulley 28 ( fig. 1, 2, 5-7), not exceeding 90 deg. An additional (corrective) rotation of the rope pulley 28 (Figs. 1, 2, 5-7) ensures accurate matching of the location of the longitudinal axis of the supporting-traction rope 29 (Figs. 2, 5-7) to the plane of the rope pulley 28 (Figs. 1, 2, 5-7), which eliminates the increased wear of the profiled groove of the pulley 28 (Figs. 1, 2, 5-7) and the rope itself 29 (Figs. 2, 5-7), increases the service life of the elements of the ropeway system of the mobile ropeway and its safety exploitation. The requirement to rotate the end support 4 (Figs. 1-3, 6) by an angle a not exceeding 120 degrees, together with the requirement to rotate the plane of the rope pulley 28 (Figs. 1, 2, 5-7) by an angle not exceeding 90 degrees, allows you to provide an angle (3 tilts of the axis of the supporting-traction rope with respect to the horizon within up to 60 degrees, which allows the use of a mobile transport and transshipment complex with various types of terrain relief, including in mountainous conditions with a significant height difference in the locations of self-propelled end stations 3 (Fig. 1, 2, 7).

As an option, the end support 4 (Fig. 1-3, 6) has a telescopic structure. It consists of a lower pivot section 45 (Fig. 7) and an upper retractable section 46 (Fig. 7), which can linearly move (extend or return) along the longitudinal axis of the end support 4 (Figs. 1-3, 6). Both sections are kinematically interconnected by a telescoping hydraulic cylinder 47 (Fig. 7). The attachment unit of the telescoping hydraulic cylinder 47 (Fig. 7) to the lower rotary section 45 (Fig. 7) is a cylindrical hinge formed by a pair of lugs 48 (Fig. 7), fixed, for example, by welding on the sides of the metal structure of the lower rotary section 45 ( Fig. 7), in the coaxial holes of which a hinge pin 49 (Fig. 7) is inserted with a shackle of the end cover 50 (Fig. 7) of the telescoping hydraulic cylinder 47 (Fig. 7) (the structure of the hinge is similar to that shown in Fig. 4). The attachment point of the telescoping hydraulic cylinder 47 (Fig. 7) to the upper pull-out section 46 (Fig. 7) is a cylindrical hinge formed by a pair of profiled lugs 51 (Fig. 7) fixed, for example, by welding on the sides of the metal structure of the upper pull-out section 46 (Fig. 7), in the coaxial holes of which the hinge pin 52 (Fig. 7) is inserted with the mounting sleeve of the rod 53 (Fig. 7) of the telescoping hydraulic cylinder 47 (Fig. 7) (the design of the hinge is similar to that shown in Fig. 3) ...

The principle of operation of a self-propelled end station with end support 4 (Figs. 1-3, 6) of a telescopic structure is similar to that discussed above. Additionally, when the end support 4 (Fig. 1-3, 6) is moved from the transport to the working position after preliminary rotation of the lower rotary section 45 (Fig. 7) by approximately the required angle a, not exceeding 120 degrees, telescoping of the upper sliding section 46 ( Fig. 7) by extending the rod 53 (Fig. 7) of the telescoping hydraulic cylinder 47 (Fig. 7), into which the working fluid from the hydraulic system of the self-propelled end station 3 (Figs. 1, 2, 7).

The technical and economic result from the introduction of the utility model is achieved by expanding the possibility of operating mobile ropeways with various parameters of the earth's surface relief, including those with significant differences in terrain heights due to a sufficiently high-quality coordination of the mutual arrangement of rope pulleys and a supporting-traction rope in one plane, which increases the service life of expensive elements of the cable car system and the safety of the mobile cable car operation in general. An additional technical and economic effect is associated with an increase in the automation of the actions of the service personnel to transfer the end supports from the working position to the transport position and vice versa, which reduces the duration of auxiliary technological operations during the deployment / dismantling of the mobile cable car.

Sources of information

1. Pat. 84181 Russian Federation, IPC A01G 23/02. Rear mast for mobile rope skidding / Grigoriev I.V., Zhukova A.I., Ivanov A.V., Grigorieva O.I., Kiselev D.S. - No. 2009107586/22; declared 04.03.2009; publ. 10.07.2009, Bul. No. 19.

2. Pat. 2247671 Russian Federation, MPK В61В 7/00. Suspended cable car / Korotkiy A.A., Khalfin M.N., Kotelnikov B.C., Popiashvili B.D., Korotkiy D.A., Kozlovsky A.E., Rypinsky Yu.V .; applicant and patentee LLC Engineering and Consulting Center Mysl, Novocherkassk State Technical University - No. 2003125033/11; filed. 11.08.2003; published 10.03.2005, bull. No. 7.

3. Diagnostics of hoisting machines / Ed. IN AND. Seroshtan, Yu.S. Ogarya. Moscow: Mashinostroenie, 1992.192 p.

4. Lagerev A.V., Lagerev I.A. Modern theory of manipulation systems of mobile multi-purpose transport and technological machines and complexes. Research of work processes and design of hydraulic drive elements. Bryansk: RISO BSU, 2019 .-- 201 p.

5. Lagerev I.A., Lagerev A.V. Modern theory of manipulation systems of mobile multi-purpose transport and technological machines and complexes. Design and operating conditions. Bryansk: RIO BSU, 2018 .-- 190 p.

Claims (2)

1. Self-propelled end station, in the form of a mobile chassis equipped with outriggers and anchors, intended for use with another similar chassis, as part of a mobile transport and handling rope complex, containing a drive and tension mechanism, an end support fixed on its supporting frame with a rope a pulley and a bending rope pulley a closed tensioned supporting-traction rope with trailed devices for suspension of transported goods, characterized in that the end support with its lower end is pivotally attached to the supporting frame of the self-propelled end station and has the ability to move in a vertical plane that coincides with the longitudinal axis of the mobile chassis , to an arbitrary angle of not more than 120 degrees using a lifting hydraulic cylinder, and a rope pulley pivotally attached to the head of the end support is equipped with a rotation mechanism at an angle not exceeding 90 degrees using a rotary hydraulic cylinder. 2. Self-propelled end station according to claim. 1, characterized in that the end support is telescopic.

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