Underground inclined roadway high-altitude elevator
Technical Field
The invention relates to the technical field of underground coal mine high-altitude lifting equipment, in particular to rail type high-altitude lifting equipment for an inclined roadway in a coal mine.
Background
Various types of equipment are often installed at the top of an inclined roadway in a coal mine, for example, relevant equipment of an overhead manned device is installed at the top of the inclined roadway of an underground auxiliary transportation inclined roadway, and meanwhile, a large amount of equipment such as an equipment power supply system, an underground lighting system, a water supply and drainage pipeline system and a gas drainage pipeline system are also installed at the top of the underground inclined roadway. In the process of installation or daily operation, maintenance and overhaul of the equipment, various overhead working trucks used on the ground are not suitable for running and working in inclined roadways in coal mines due to the limited width of the inclined roadways. However, because the installation position of the equipment in the inclined roadway is high, a large amount of time is needed for operators to set up a scaffold or a herringbone ladder, and installation or daily operation, maintenance and repair operations are performed under the condition that safety protection measures are well taken, so that a large number of operators are assisted, and the labor intensity of workers is high. Moreover, when the installation or daily operation, maintenance and overhaul operations are carried out on equipment at different positions in the inclined roadway, the scaffold or the herringbone ladder needs to be continuously moved or re-erected, the erection workload is large, the working efficiency is low, and the operation safety is poor.
Disclosure of Invention
The invention provides a track type high-altitude elevator, aiming at the problems of installation, daily operation, maintenance and repair of equipment at the top of an inclined roadway in a coal mine. The high-altitude lift can conveniently and quickly reach the operation site for installation, maintenance and overhaul of the equipment at the top of the underground inclined roadway under the traction of the inclined roadway winch, and lifts an operator, an overhaul tool and a use material to a proper height after the operation platform is leveled, so that the installation, daily operation, maintenance and overhaul of the equipment at the top of the inclined roadway can be conveniently carried out.
The specific technical scheme is as follows: an underground inclined roadway high-altitude elevator comprises a mining flat car, an elevating operation machine, a remote controller, a hydraulic station, a power supply, an electric cabinet and a claw type stabilizer; the lifting operation machine consists of a bottom base, a scissor arm, a lifting hydraulic cylinder, a top base, an operation platform, a top rod, a nut sleeve, a lead screw and a hydraulic motor; the claw type stabilizer consists of a hydraulic cylinder, a left side fixed guide plate, a right side fixed guide plate, a rear connecting rod, a hinged guide pin shaft, a front connecting rod, a front clamping jaw, a hinged fixed pin shaft and a rear clamping jaw.
Two ends of a lead screw of the lifting operation machine are hinged below the top base, and the hydraulic motor is fixed on one side below the top base and fixedly connects an output shaft of the hydraulic motor with the lead screw; the nut sleeve is connected with the lead screw in a thread fit way; one end of the ejector rod is hinged with the nut sleeve, and the other end of the ejector rod is hinged with the middle part of the operation platform; one side below the operation platform is hinged with the same side of the top base; the scissor arms can be combined in a plurality of groups such as two groups, three groups, four groups, five groups and the like; the corresponding lifting hydraulic cylinders can be in a combination of one pair, two pairs, three pairs and more pairs.
The claw type stabilizer consists of a hydraulic cylinder, a left fixed guide plate, a right fixed guide plate, a rear connecting rod, a hinged guide pin shaft, a front connecting rod, a front clamping jaw, a hinged fixed pin shaft and a rear clamping jaw; the upper end parts of the cylinder body of the hydraulic cylinder, the left fixed guide plate and the right fixed guide plate are respectively fixedly connected with the flat car by bolts; a piston rod of the hydraulic cylinder is hinged with the upper ends of the front connecting rod and the rear connecting rod by a hinged guide pin shaft, and two ends of the hinged guide pin shaft are respectively positioned in a guide clamping groove of the left fixed guide plate and a guide clamping groove of the right fixed guide plate; the front clamping jaw and the rear clamping jaw are respectively hinged with the lower ends of the front connecting rod and the rear connecting rod through respective upper hinge holes; the lower hinge holes of the front clamping jaw and the rear clamping jaw are hinged between the left fixed guide plate and the right fixed guide plate through a hinged fixed pin shaft.
The hydraulic station, the power supply, the electric cabinet and the lifting operation machine are respectively fixed on the mining flat car; the four claw type stabilizers are respectively fixed at four corners of the mining flat car, so that central lines of the four claw type stabilizers are respectively vertically aligned with the tracks fixed on the bottom plate of the inclined roadway, and the front claw and the rear claw keep proper distances from the tracks.
The invention has the advantages that the underground inclined roadway high-altitude elevator can conveniently and quickly reach an operation site for installation, maintenance and overhaul of equipment at the top of the underground inclined roadway under the traction of an inclined roadway winch, the inclined roadway high-altitude elevator is clamped and fixed on a track of the inclined roadway by using the claw type stabilizer, the high-altitude elevator is prevented from turning over or overturning when being eccentrically loaded and positioned on the inclined track, meanwhile, the high-altitude elevator can adjust the operation platform to be always kept in a horizontal state when working on the track of the inclined roadway, the operation personnel, the maintenance tools and the used materials are lifted to a proper height, and the sliding phenomenon of the personnel, the tools and the materials is prevented, so that the installation and the daily operation, maintenance and overhaul of the equipment at the top of the inclined roadway are conveniently carried out.
The invention has simple structure and convenient movement on the track of the underground inclined roadway, can firmly stabilize the overhead hoist on the track of the inclined roadway after the overhead hoist of the inclined roadway reaches an operation place, prevents the overhead hoist from turning over or overturning, ensures that the operation platform is always kept in a horizontal state when used on the track of the inclined roadway, prevents personnel, tools and materials from sliding off, ensures the safety of the operation personnel, improves the mechanization degree of the installation and daily operation maintenance operation of equipment at the top of the inclined roadway, reduces the operation personnel, reduces the labor intensity of the operation personnel, improves the working efficiency of the installation and maintenance operation of the equipment at the top of the inclined roadway, and reduces the production cost of enterprises.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the lifting work machine of the present invention.
Fig. 3 is a schematic structural diagram of the claw stabilizer of the present invention.
Fig. 4 is a schematic structural view of the jaw of the present invention.
Detailed Description
As shown in fig. 1, 2, 3 and 4, the underground inclined roadway high-altitude elevator comprises a mining flat car 1, an elevating operation machine 2, a remote controller 3, a hydraulic station 4, a power supply 5, an electric cabinet 6 and a claw type stabilizer 7; the lifting working machine 2 consists of a bottom base 21, a scissor arm 22, a lifting hydraulic cylinder 23, a top base 24, a working platform 25, a push rod 26, a nut sleeve 27, a lead screw 28 and a hydraulic motor 29; the claw type stabilizer 7 is composed of a hydraulic cylinder 71, a left side fixed guide plate 72, a right side fixed guide plate 73, a rear connecting rod 74, a hinged guide pin shaft 75, a front connecting rod 76, a front claw 77, a hinged fixed pin shaft 78 and a rear claw 79.
Two ends of a screw 28 of the lifting working machine 2 are hinged below the top base 24, a hydraulic motor 29 is fixed on one side below the top base 24, and an output shaft of the hydraulic motor 29 is fixedly connected with the screw 28; the nut sleeve 27 is connected with the lead screw 28 in a thread fit way; one end of the mandril 26 is hinged with the nut sleeve 27, and the other end is hinged with the middle part of the operation platform 25; one side below the working platform 25 is hinged with the same side of the top base 24; the scissor arms 22 can be in the form of a combination of two, three, four, five, etc. groups; the respective lifting cylinders 23 may be in the form of a combination of one, two, three, etc. pairs.
The cylinder body of the hydraulic cylinder 71 of the claw type stabilizer 7, the upper end parts of the left fixed guide plate 72 and the right fixed guide plate 73 are fixedly connected with the flat car 1 through bolts respectively; a piston rod of the hydraulic cylinder 71 is hinged with the upper ends of the front connecting rod 76 and the rear connecting rod 74 by a hinged guide pin shaft 75, and two ends of the hinged guide pin shaft 75 are respectively positioned in a guide clamping groove 721 of the left fixed guide plate 72 and a guide clamping groove 731 of the right fixed guide plate 73; the front jaw 77 and the rear jaw 79 are respectively hinged with the lower ends of the front connecting rod 76 and the rear connecting rod 74 through respective upper hinge holes 101; the lower hinge holes 102 of the front and rear jaws 77 and 79 are hinge-coupled between the left and right fixed guide plates 72 and 73 by the hinge fixing pin 78.
The hydraulic station 4, the power supply 5, the electric cabinet 6 and the lifting operation machine 2 are respectively fixed on the mining flat car 1; four claw stabilizers 7 are respectively fixed at four corners of the mining flat car 1 such that center lines of the four claw stabilizers 7 are respectively vertically aligned with rails 8 fixed on the floor of the inclined roadway, and such that front claws 77 and rear claws 79 are kept at appropriate distances from the rails 8.
When the equipment at the top of the inclined roadway in the coal mine needs to be installed or maintained and overhauled, the inclined roadway high-altitude elevator is dragged to an operation place under the traction of an inclined roadway winch, the power supply 5 supplies power to the electric cabinet 6 and the hydraulic station 4, and the remote controller 3 controls the hydraulic station 4 to supply and discharge liquid to the lifting hydraulic cylinder 23, the hydraulic motor 29 and the hydraulic cylinder 71, so that corresponding mechanisms complete corresponding actions. Firstly, the hydraulic cylinder 71 extends the piston rod, so that the front claws 77 and the rear claws 79 of the four claw stabilizers 7 respectively clamp and fix the rails 8 on the inclined roadway bottom plate, and the high-altitude lift is stabilized on the rails 8; the hydraulic motor 29 is used for driving the screw rod 28 to rotate, the ejector rod 26 hinged with the nut sleeve 27 jacks up the working platform 25 through the threaded matching of the screw rod 28 and the nut sleeve 27, the working platform 25 is adjusted to be in a horizontal state, and an operator carries tools and materials to enter the working platform 25; the lifting operation machine 2 is driven to move by extending the piston rod of the lifting hydraulic cylinder 23 outwards, the operation platform 25 is lifted to a proper operation height, and the operation personnel can conveniently carry out installation, maintenance and overhaul operations on equipment at the top of the inclined roadway. After completion of the work, the operations are performed in the reverse order of the above operations, and the return, the neutral, and the lowering of the work platform 25 and the releasing operation of the claw stabilizer 7 are completed.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents.
In the description of the present invention, it is to be understood that the terms "front", "rear", "left", "right", "center", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the scope of the present invention.