A reduced-sway open-pit mine trestle system

Abstract

The application discloses a kind of open-pit mine trestle system of reducing sway, the top surface of inner transport platform is respectively hinged with the inner end of a trestle in two ends, the outer end of trestle is overlapped with the top of soil pile, the slope surface of soil pile is compacted with the bottom surface of pressing plate, the top end of compacting connecting rod in hydraulic unit arranged along pressing plate is hinged with the bottom of trestle, the bottom end of compacting connecting rod is hinged with the outer side of pressing plate, the inner side of pressing plate is hinged with the bottom end of lower adjusting oil cylinder and lower locking device simultaneously, the top end of lower adjusting oil cylinder and lower locking device is hinged with the inner side of compacting connecting rod, the outer side of compacting connecting rod is hinged with the bottom end of upper adjusting oil cylinder and upper locking device, the top end of upper adjusting oil cylinder and upper locking device is hinged with the bottom of trestle.The design not only can avoid the intersection of dump truck and coal truck route, but also can move with open-pit mine boundary, and can be reused, reduce use cost.

Description

TECHNICAL FIELD

[0001] The present application relates to a mine bridge, belonging to the field of mining machinery, in particular to a shaking reducing open-pit mine trestle system. BACKGROUND

[0002] At present, quite a lot of open-pit coal mines, in the area of the upper part of the mine, when the stripping dump truck transports the loess and rock above the coal seam to the dump site, if transported along the south slope, a plane intersection with the coal truck route will occur, which brings greater safety hazards. At this time, if the upper part of the mine is arranged to drive around the north slope to avoid intersection, it will lead to long haul of the dump truck, large fuel consumption and high cost.

[0003] Therefore, in order to solve the above problems, the existing open-pit mine sets a concrete cement bridge on the south slope, which can be driven on and under the bridge to solve the intersection problem of the dump truck and the coal truck route, but the concrete cement bridge cannot be moved, once the boundary of the open-pit mine moves to a long distance, the original concrete cement bridge cannot play a role, and a new concrete bridge needs to be built, which has high repeated construction cost.

[0004] The information disclosed in this background section is only intended to increase an understanding of the general context of the present application, and should not be taken as an acknowledgement or any form of suggestion that this information forms prior art that is already widely known in the art. SUMMARY

[0005] The purpose of the present application is to overcome the defects and problems of the prior art, such as non-reusable and high cost, and to provide a shaking reducing open-pit mine trestle system which can be reused and has low cost.

[0006] To achieve the above purpose, the technical solution of the present application is: a shaking reducing open-pit mine trestle system, comprising a trestle, a transportation platform and a pile leg, the pile leg comprising a gear box and a gear column passing through the inside thereof and sliding up and down with the gear box, the top of the gear column being higher than the transportation platform, the bottom of the gear column being in contact with the bottom surface of the soil pile;

[0007] The top surface of the transportation platform is respectively hinged to the inner end of one trestle at both ends, the outer end of the trestle is overlapped with the top of the soil pile, the bottom surface of the middle part of the trestle is connected to the top surface of the pressing plate through the hydraulic device, and the bottom surface of the pressing plate is tightly matched with the inclined surface of the soil pile;

[0008] The hydraulic device comprises at least two hydraulic units arranged in sequence along the pressing plate, and each hydraulic unit comprises an upper adjusting oil cylinder, a pressing connecting rod and a lower adjusting oil cylinder.

[0009] The upper locking device and the upper adjusting oil cylinder are arranged in parallel and have synchronous stroke, and the lower locking device and the lower adjusting oil cylinder are arranged in parallel and have synchronous stroke.

[0010] The upper locking device and the lower locking device have the same structure, and each locking device comprises a locking mounting box, a stroke rack, a locking rack and a rack oil cylinder.

[0011] The locking mounting box is connected with a locking top cover through a locking support portion, the bottom surface of the locking top cover is connected with the top end of the rack oil cylinder, the output end of the rack oil cylinder is connected with the top portion of the locking rack, and the locking rack is engaged with the side long teeth on the side thereof.

[0012] Both ends of the upper adjusting oil cylinder and the lower adjusting oil cylinder are respectively connected with an outer oil cylinder ear and an inner oil cylinder ear.

[0013] The outer oil cylinder ear of the upper adjusting oil cylinder is connected with the bottom of the trestle through an upper first ear plate, the box ear of the upper locking device is connected with the bottom of the trestle through an upper second ear plate, and the outer oil cylinder ear, the upper first ear plate, the box ear and the upper second ear plate are penetrated by an upper rotating pin.

[0014] The inner oil cylinder ear of the upper adjusting oil cylinder is connected with the outer side of the pressing connecting rod through a rod outer first ear plate, the rack ear of the upper locking device is connected with the outer side of the pressing connecting rod through a rod outer second ear plate, and the inner oil cylinder ear, the rod outer first ear plate, the rack ear and the rod outer second ear plate are penetrated by a rod outer rotating pin.

[0015] The cylinder outer hanging lug on the lower adjusting cylinder is hingedly connected to the top of the next lug plate and the pressing plate, the rack hanging lug in the lower locking device is hingedly connected to the top of the second lug plate and the pressing plate, and the same lower rotating pin is threaded through the cylinder outer hanging lug, the next lug plate, the rack hanging lug, and the second lug plate.

[0016] The cylinder inner hanging lug on the lower adjusting cylinder is hingedly connected to the inner side of the first lug plate inside the rod and the pressing connecting rod, the box hanging lug in the lower locking device is hingedly connected to the inner side of the second lug plate inside the rod and the pressing connecting rod, and the same rod inner rotating pin is threaded through the cylinder inner hanging lug, the first lug plate inside the rod, the box hanging lug, and the second lug plate inside the rod.

[0017] The locking rack comprises a tooth sliding block and tooth insertion plates connected to both sides of the tooth sliding block, and a toothed part, the width of the tooth sliding block is smaller than the width of the tooth insertion plates and the toothed part, the outer side of the toothed part is in meshing correspondence with the side length teeth, and the top of the tooth sliding block and the toothed part is connected to the output end of the rack cylinder;

[0018] The locking mounting box is connected to an outwardly expanded outer insertion box near the opening end of the locking mounting box, the outer insertion box is provided with a lower insertion cavity and a lower sliding cavity which are in communication with the inner cavity of the locking mounting box, the lower insertion cavity is provided with a tooth insertion plate which is in up-down sliding cooperation with the lower insertion cavity, and the lower sliding cavity is provided with a tooth sliding block which is in up-down sliding cooperation with the lower sliding cavity.

[0019] The locking support part comprises two pairs of mutually parallel locking support one rods, locking support two rods, locking support three rods, and locking support four rods, the bottom ends of the locking support one rods and the locking support two rods are respectively connected to the top of the inner first protrusion and the inner second protrusion, the bottom ends of the locking support three rods and the locking support four rods are connected to the top of the locking mounting box, the top ends of the locking support one rods, the locking support two rods, the locking support three rods, and the locking support four rods are respectively connected to the four corners of the locking top cover, and a cover gap is formed in the locking top cover to be connected to the top end of the rack cylinder.

[0020] The top surface and the bottom surface of the stroke rack are respectively provided with two stroke sliding rails, and four stroke sliding rails are arranged on one stroke rack; the stroke sliding groove comprises upper and lower corresponding middle upper sliding grooves and middle lower sliding grooves, and upper and lower corresponding inner upper sliding grooves and inner lower sliding grooves, and the middle upper sliding groove is located between the tooth sliding cavity and the inner upper sliding groove; the middle upper sliding groove, the middle lower sliding groove, the inner upper sliding groove, and the inner lower sliding groove are in one-to-one sliding cooperation with the four stroke sliding rails, and the side length teeth are threaded through the tooth sliding cavity.

[0021] The stack bridge is a T-shaped structure comprising a wide outer bridge and a narrow inner bridge, the width of the wide outer bridge is greater than the width of the narrow inner bridge, the outer end of the wide outer bridge is connected to the top of the soil pile, the inner end of the wide outer bridge is connected to the outer end of the narrow inner bridge, the inner end of the narrow inner bridge is hingedly connected to the transportation platform through a bridge hinge shaft, and the bottom of the narrow inner bridge is connected to the top surface of the pressing plate through a hydraulic device;

[0022] The wide outer bridge is connected with a pulley set at the front and rear ends respectively, and a lifting winch corresponding to the pulley set is arranged on the transport platform near the front and rear sides, the lifting winch is connected with the corresponding pulley set through a lifting pulley, and the lifting pulley is arranged above the transport platform.

[0023] The trestle bridge comprises an inner frame, a bridge top plate and a bridge bottom plate connected with the top surface and the bottom surface of the inner frame, the inner frame comprises a plurality of frame cross beams and frame vertical beams intersecting with each other, and the inner frame is surrounded by the bridge top plate and the bridge bottom plate to form a plurality of frame lattice cavities.

[0024] The gear box is provided with two rows of box gears, each row of box gears comprises a plurality of box gears, one column sliding gear engaged with the box gear is arranged on each side of the gear column, one column sliding gear corresponds to one row of box gears, and the bottom of the gear column is connected with the pile foot.

[0025] Compared with the prior art, the beneficial effects of the present application are:

[0026] 1. In the open-pit mine trestle bridge system for reducing shaking, the trestle bridge, the transport platform and the pile leg are connected, the pile leg comprises a gear box and a gear column passing through the gear box and being in up-down sliding cooperation with the gear box, the top of the gear column is higher than the transport platform, and the bottom of the gear column is in contact with the bottom surface of the soil pile, the advantages of the design include that: first, after the trestle bridge is connected with the soil pile, the above and below of the transport platform can be passed, that is, the basic requirement of avoiding the intersection of the travel routes of the dump truck and the coal truck can be met; second, when the trestle bridge needs to be moved together with the open-pit mine boundary, the trestle bridge is first lifted to be disconnected with the soil pile, and then the pile leg is moved to drive the whole open-pit mine trestle bridge system to move until the new position is reached, so that the purpose of moving together with the open-pit mine boundary is achieved, compared with the concrete cement bridge used in the prior art, the present application can be reused, thereby reducing the use cost; therefore, the present application not only can avoid the intersection of the travel routes of the dump truck and the coal truck, but also can move together with the open-pit mine boundary and can be reused, thereby reducing the use cost.

[0027] 2、The open-pit mine trestle system of the application can reduce the shaking, the bottom of the trestle is connected with the top surface of the pressing plate through the hydraulic device, the bottom surface of the pressing plate is tightly pressed with the slope surface of the soil pile, when the vehicle runs on the bridge, the lateral dynamic load is generated on the bridge, the lateral deformation displacement of the whole steel structure bridge is caused, the vehicle runs on the bridge, the whole bridge may produce slight frequent shaking, the service life of the bridge and the safety feeling of the driver are affected, therefore, the pressing plate which is tightly pressed with the slope surface of the soil pile is specially designed to eliminate the defects, on the basis, the hydraulic device preferably comprises at least two hydraulic units arranged along the pressing plate in sequence, the hydraulic unit comprises an upper adjusting oil cylinder, a pressing connecting rod, a lower adjusting oil cylinder, a lower locking device and an upper locking device, the stable pressing force can be provided, and the multi-angle adjustment of the pressing plate can be realized to adapt to the slope surfaces of different angles and expand the adaptation range. Therefore, the application has the advantages of high stability, long service life, high adjustability and wide adaptation range.

[0028] 3、The upper locking device and the lower locking device have the same structure and comprise a locking mounting box, a stroke rack, a locking rack and a rack oil cylinder, the closed end of the locking mounting box is connected with a box hanging ear, the open end of the locking mounting box is inserted with the stroke rack which can slide relative to each other, the part of the stroke rack which is located outside the locking mounting box is connected with a rack hanging ear, in application, the box hanging ear and the rack hanging ear can be connected with other parts of the hydraulic unit or the pressing plate, so as to stretch and retract together with the adjusting oil cylinder, in addition, once the adjusting oil cylinder adjusts the pressing plate to the appropriate position, the design saves the adjusting state through the mutual meshing of the stroke rack and the locking rack, avoids the hidden trouble that the oil cylinder may leak, and the pressing plate cannot be effectively attached to the soil pile surface after the oil cylinder leaks after long time use. Therefore, the locking effect of the application is good, and the pressing of the pressing plate can be ensured.

[0029] 4、The open-pit mine trestle system of the application can reduce the shaking, the four corners of the transportation platform are respectively provided with a gear box, two rows of box gears are arranged in each gear box, each row of box gears comprises a plurality of box gears, one column sliding gear which is meshed with the box gear is arranged on each side of the gear column, one column sliding gear corresponds to one row of box gears, the bottom of the gear column is connected with the pile foot, in application, the relative sliding of the gear box and the gear column can be realized through the mutual meshing of the column sliding gear and the box gear, so as to change the height of the transportation platform, the precision of the meshing is relatively high, the height adjustment is more accurate, in addition, the design that one column sliding gear corresponds to one row of box gears can also improve the stability of the adjustment. Therefore, the platform lifting adjustment has high precision and high stability. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a schematic diagram of the stereoscopic structure of the present application.

[0031] Figure 2 is a schematic diagram of the present application and the overlap of the soil pile.

[0032] Figure 3 is a schematic diagram of the structure of the hydraulic device in the present application.

[0033] Figure 4 is a schematic diagram of the structure of the upper adjusting oil cylinder in the present application.

[0034] Figure 5 is a schematic diagram of the structure of the lower adjusting oil cylinder in the present application.

[0035] Figure 6 is a schematic diagram of the structure of the locking installation box in the present application.

[0036] Figure 7 is a schematic diagram of the connection of the stroke rack and the locking rack in the present application.

[0037] Figure 8 is a schematic diagram of the sliding connection of the stroke slide rail and the stroke slide groove in the present application.

[0038] Figure 9 is a schematic diagram of the structure of the locking support part in the present application.

[0039] Figure 10 is a schematic diagram of the structure of the locking rack in the present application.

[0040] Figure 11 is a longitudinal sectional view of the trestle in the present application.

[0041] Figure 12 is a bottom view of the trestle after the horizontal section in the present application.

[0042] Figure 13 is a schematic diagram of the internal structure of the gear box in the present application.

[0043] Fig. The earth pile 1, the slope surface 11, the trestle 2, the wide outer bridge 21, the narrow inner bridge 22, the bridge hinge shaft 23, the bridge top plate 24, the inner frame 25, the frame cross beam 251, the frame vertical beam 252, the frame lattice cavity 253, the bridge bottom plate 26, the transport platform 3, the pile leg 30, the pile foot 301, the gear box 31, the box gear 311, the gear column 32, the column sliding gear 321, the lifting winch 6, the pulley block 61, the lifting pulley 62, the cable 63, the hydraulic device 7, the pressing plate 71, the hydraulic unit 72, the upper adjusting oil cylinder 73, the oil cylinder outer hanging ear 731, the oil cylinder inner hanging ear 732, the upper rotating pin 733, the upper first ear plate 734, the upper second ear plate 735, the pressing connecting rod 74, the rod outer first ear plate 741, the rod outer second ear plate 742, the rod outer rotating pin 743, the rod inner first ear plate 744, the rod inner second ear plate 745, the rod inner rotating pin 746, the lower adjusting oil cylinder 75, the lower first ear plate 751, the lower second ear plate 752, the lower rotating pin 753, the lower locking device 76, the upper locking device 77, the locking mounting box 8, the stroke rack 81, the rack hanging ear 811, the side long teeth 812, the stroke sliding rail 813, the locking rack 82, the tooth insertion plate 821, the tooth sliding block 822, the toothed part 823, the tooth sliding cavity 824, the rack oil cylinder 83, the box hanging ear 84, the stroke sliding groove 85, the middle upper sliding groove 851, the middle lower sliding groove 85, the inner upper sliding groove 853, the inner lower sliding groove 854, the side stroke port 86, the locking support part 87, the locking support first rod 871, the locking support second rod 872, the locking support third rod 873, the locking support fourth rod 874, the locking top cover 88, the cover gap 881, the outer insertion box 89, the lower insertion cavity 891, the lower sliding cavity 892, the inner first protruding block 893, the inner second protruding block 894. DETAILED DESCRIPTION

[0044] The application will be further described in detail below in connection with the accompanying drawings and specific embodiments.

[0045] Reference Figure 1 — Figure 13 A kind of open-pit mine trestle system for reducing sway, including trestle 2, transport platform 3 and pile leg 30, the pile leg 30 includes gear box 31 and the gear column 32 that passes through inside it, and it is up and down sliding fit with it, the top of gear column 32 is higher than transport platform 3 setting, the bottom of gear column 32 and the bottom surface of earth pile 1 contact;

[0046] The top surface of the transport platform 3 is respectively hinged with the inner end of one trestle 2 at both ends, the outer end of the trestle 2 is overlapped with the top of the earth pile 1, the bottom surface of the middle part of the trestle 2 is connected with the top surface of the pressing plate 71 by hydraulic device 7, and the bottom surface of the pressing plate 71 is pressed and matched with the slope surface 11 of the earth pile 1;

[0047] The hydraulic device 7 comprises at least two hydraulic units 72 arranged in sequence along the pressing plate 71, each hydraulic unit 72 comprising an upper adjusting oil cylinder 73, a pressing connecting rod 74 and a lower adjusting oil cylinder 75, the top end of the pressing connecting rod 74 being hingedly connected to the bottom of the trestle 2, the bottom end of the pressing connecting rod 74 being hingedly connected to the outer side of the pressing plate 71, the inner side of the pressing plate 71 being hingedly connected to the bottom end of the lower adjusting oil cylinder 75 and the lower locking device 76, the top end of the lower adjusting oil cylinder 75 and the lower locking device 76 being hingedly connected to the inner side of the pressing connecting rod 74, the outer side of the pressing connecting rod 74 being hingedly connected to the bottom end of the upper adjusting oil cylinder 73 and the upper locking device 77, and the top end of the upper adjusting oil cylinder 73 and the upper locking device 77 being hingedly connected to the bottom of the trestle 2.

[0048] The upper locking device 77 and the upper adjusting oil cylinder 73 are arranged in parallel and have synchronous stroke, and the lower locking device 76 and the lower adjusting oil cylinder 75 are arranged in parallel and have synchronous stroke.

[0049] The upper locking device 77 and the lower locking device 76 have the same structure and each comprise a locking mounting box 8, a stroke rack 81, a locking rack 82 and a rack oil cylinder 83, the closed end of the locking mounting box 8 being connected to a box hanging ear 84, the opening end of the locking mounting box 8 being inserted with the stroke rack 81, the part of the stroke rack 81 located outside the locking mounting box 8 being connected to a rack hanging ear 811, the left side of the stroke rack 81 being provided with a side long tooth 812, the top surface and the bottom surface of the stroke rack 81 being provided with stroke sliding rails 813, and the stroke sliding rails 813 being slidably connected to stroke sliding grooves 85 formed in the inner wall of the locking mounting box 8.

[0050] The side of the locking mounting box 8 is provided with a side stroke opening 86, the side stroke opening 86 being arranged opposite to the side long tooth 812, the top of the locking mounting box 8 being connected to one side of a locking top cover 88 through a locking support part 87, the bottom surface of the locking top cover 88 being connected to the top end of the rack oil cylinder 83 at a position away from the locking support part 87, the output end of the rack oil cylinder 83 being connected to the top of the locking rack 82 located below, and the locking rack 82 being engaged with the side long tooth 812 located beside after passing through the side stroke opening 86.

[0051] The upper adjusting oil cylinder 73 and the lower adjusting oil cylinder 75 are respectively connected to an oil cylinder outer hanging ear 731 and an oil cylinder inner hanging ear 732 at both ends.

[0052] The oil cylinder outer hanging ear 731 on the upper adjusting oil cylinder 73 is hingedly connected to the bottom of the trestle 2 through an upper ear plate 734, the box hanging ear 84 in the upper locking device 77 is hingedly connected to the bottom of the trestle 2 through an upper two ear plate 735, and the oil cylinder outer hanging ear 731, the upper ear plate 734, the box hanging ear 84 and the upper two ear plate 735 are all penetrated by the same upper rotating pin 733.

[0053] The cylinder inner hanging ear 732 on the upper adjusting cylinder 73 is hingedly connected with the outer side of the pressing connecting rod 74 through an outer one ear plate 741, the rack hanging ear 811 in the upper locking device 77 is hingedly connected with the outer side of the pressing connecting rod 74 through an outer two ear plate 742, and the cylinder inner hanging ear 732, the outer one ear plate 741, the rack hanging ear 811 and the outer two ear plate 742 pass through an outer rotating pin 743;

[0054] The cylinder outer hanging ear 731 on the lower adjusting cylinder 75 is hingedly connected with the top of the pressing plate 71 through a lower one ear plate 751, the rack hanging ear 811 in the lower locking device 76 is hingedly connected with the top of the pressing plate 71 through a lower two ear plate 752, and the cylinder outer hanging ear 731, the lower one ear plate 751, the rack hanging ear 811 and the lower two ear plate 752 pass through a lower rotating pin 753;

[0055] The cylinder inner hanging ear 732 on the lower adjusting cylinder 75 is hingedly connected with the inner side of the pressing connecting rod 74 through an inner one ear plate 744, the box hanging ear 84 in the lower locking device 76 is hingedly connected with the inner side of the pressing connecting rod 74 through an inner two ear plate 745, and the cylinder inner hanging ear 732, the inner one ear plate 744, the box hanging ear 84 and the inner two ear plate 745 pass through an inner rotating pin 746.

[0056] The locking rack 82 comprises a rack sliding block 822 and tooth insertion plates 821 connected to both sides of the rack sliding block 822, and a toothed part 823, the width of the rack sliding block 822 is less than the width of the tooth insertion plates 821 and the toothed part 823, the outer side of the toothed part 823 is in mesh with the side long teeth 812, and the top of the rack sliding block 822 and the toothed part 823 is connected with the output end of the rack cylinder 83;

[0057] An outer insertion box 89 is connected to the locking mounting box 8 near the opening end of the locking mounting box 8, the outer insertion box 89 is provided with a lower insertion cavity 891 and a lower sliding cavity 892 which are in communication with the inner cavity of the locking mounting box 8, the lower insertion cavity 891 is provided with a tooth insertion plate 821 which is in up-down sliding cooperation with the lower insertion cavity 891, and the lower sliding cavity 892 is provided with a rack sliding block 822 which is in up-down sliding cooperation with the lower sliding cavity 892.

[0058] The locking support part 87 comprises two pairs of parallel locking support one rods 871, locking support two rods 872, locking support three rods 873 and locking support four rods 874, the bottom ends of the locking support one rods 871 and the locking support two rods 872 are respectively connected with the top of an inner one protrusion 893 and an inner two protrusion 894, the bottom ends of the locking support three rods 873 and the locking support four rods 874 are connected with the top of the locking mounting box 8, the top ends of the locking support one rods 871, the locking support two rods 872, the locking support three rods 873 and the locking support four rods 874 are respectively connected with the four corners of a locking top cover 88, and a cover gap 881 is formed in the locking top cover 88 to be connected with the top end of the rack cylinder 83.

[0059] The top surface and the bottom surface of the stroke rack 81 are respectively provided with two stroke slide rails 813, that is, four stroke slide rails 813 are provided on one stroke rack 81; the stroke slide groove 85 comprises upper and lower corresponding middle upper slide grooves 851 and middle lower slide grooves 852, and upper and lower corresponding inner upper slide grooves 853 and inner lower slide grooves 854, and the middle upper slide groove 851 is located between the tooth slide cavity 824 and the inner upper slide groove 853; the middle upper slide groove 851, the middle lower slide groove 852, the inner upper slide groove 853 and the inner lower slide groove 854 are in one-to-one sliding fit with the four stroke slide rails 813, and the side length tooth 812 penetrates through the tooth slide cavity 824.

[0060] The stack bridge 2 is a T-shaped structure, comprising a wide outer bridge 21 and a narrow inner bridge 22, the width of the wide outer bridge 21 is greater than the width of the narrow inner bridge 22, the outer end of the wide outer bridge 21 is overlapped with the top of the soil pile 1, the inner end of the wide outer bridge 21 is connected with the outer end of the narrow inner bridge 22, the inner end of the narrow inner bridge 22 is hingedly connected with the transportation platform 3 through the bridge hinge shaft 23, and the bottom of the narrow inner bridge 22 is connected with the top surface of the pressing plate 71 through the hydraulic device 7.

[0061] The wide outer bridge 21 is connected with a pulley block 61 at the front end and the rear end, respectively, and the transportation platform 3 is provided with a lifting winch 6 corresponding to the pulley block 61 near the front side and the rear side, the lifting winch 6 is connected with the corresponding pulley block 61 through a lifting pulley 62, and the lifting pulley 62 is arranged above the transportation platform 3.

[0062] The stack bridge 2 comprises an inner frame 25, a bridge top plate 24 and a bridge bottom plate 26 connected with the top surface and the bottom surface of the inner frame 25, the inner frame 25 comprises a plurality of frame cross beams 251 and frame vertical beams 252 which are interconnected, and the inner frame 25 is surrounded by the bridge top plate 24 and the bridge bottom plate 26 to form a plurality of frame lattice cavities 253.

[0063] The gear box 31 is provided with two rows of box gears 311, each row of box gears 311 comprises a plurality of box gears 311, and the two sides of the gear column 32 are respectively provided with a column slide tooth 321 engaged with the box gear 311, one column slide tooth 321 corresponds to one row of box gears 311, and the bottom of the gear column 32 is connected with the pile foot 301.

[0064] The principle of the application is as follows:

[0065] The soil pile 1 in the application comprises a top surface (overlapped with the stack bridge 2), a bottom surface (contacted with the pile foot 301 at the bottom of the gear column 32), and an inclined surface 11 therebetween, in the application, when the stack bridge system for open-pit mine is stationary, the transportation platform 3 in the stack bridge system for open-pit mine is used to drive the dump truck, and the area below the transportation platform 3 and between the gear columns 32 is used to drive the coal truck.

[0066] Embodiment 1

[0067] Referring to Figure 1 — Figure 13 A stacker system for reducing sway in an open-pit mine comprises a stacker 2, a transport platform 3 and a pile leg 30, the pile leg 30 comprising a gear box 31 and a gear column 32 passing through the gear box 31 and sliding up and down with the gear box 31, the top of the gear column 32 being higher than the transport platform 3, the bottom of the gear column 32 being in contact with the bottom surface of the dump 1; the top surface of the transport platform 3 is hingedly connected to the inner end of one stacker 2 at each end, the outer end of the stacker 2 is overlapped with the top of the dump 1, the bottom surface of the middle of the stacker 2 is connected to the top surface of a pressing plate 71 through a hydraulic device 7, the bottom surface of the pressing plate 71 is in pressing contact with the inclined surface 11 of the dump 1; the hydraulic device 7 comprises at least two hydraulic units 72 arranged in sequence along the pressing plate 71, the hydraulic unit 72 comprising an upper adjusting oil cylinder 73, a pressing connecting rod 74 and a lower adjusting oil cylinder 75, the top end of the pressing connecting rod 74 being hingedly connected to the bottom of the stacker 2, the bottom end of the pressing connecting rod 74 being hingedly connected to the outer side edge of the pressing plate 71, the inner side edge of the pressing plate 71 being hingedly connected to the bottom end of the lower adjusting oil cylinder 75 and the lower locking device 76 at the same time, the top end of the lower adjusting oil cylinder 75 and the lower locking device 76 being hingedly connected to the inner side surface of the pressing connecting rod 74, the outer side surface of the pressing connecting rod 74 being hingedly connected to the bottom end of the upper adjusting oil cylinder 73 and the upper locking device 77, the top end of the upper adjusting oil cylinder 73 and the upper locking device 77 being hingedly connected to the bottom of the stacker 2. Preferably, the upper locking device 77 and the upper adjusting oil cylinder 73 are arranged in parallel with each other and the strokes are synchronized; the lower locking device 76 and the lower adjusting oil cylinder 75 are arranged in parallel with each other and the strokes are synchronized.

[0068] Embodiment 2

[0069] The basic content is the same as that of embodiment 1, except that:

[0070] The upper locking device 77 and the lower locking device 76 are identical in structure and each comprises a locking mounting box 8, a stroke rack 81, a locking rack 82 and a rack oil cylinder 83. The closed end of the locking mounting box 8 is connected with a box hanging lug 84, the open end of the locking mounting box 8 is inserted with the stroke rack 81, the part of the stroke rack 81 located outside the locking mounting box 8 is connected with a rack hanging lug 811, the left side of the stroke rack 81 is provided with a side long tooth 812, the top surface and the bottom surface of the stroke rack 81 are provided with stroke sliding rails 813 which are slidably connected with stroke sliding grooves 85 formed in the inner wall of the locking mounting box 8; the side of the locking mounting box 8 is provided with a side stroke opening 86 which is opposite to the side long tooth 812, the top of the locking mounting box 8 is connected with one side of a locking top cover 88 through a locking support part 87, the bottom surface of the locking top cover 88 is connected with the top end of the rack oil cylinder 83 at the part far away from the locking support part 87, the output end of the rack oil cylinder 83 is connected with the top of the locking rack 82 located below, and the locking rack 82 is engaged with the side long tooth 812 located beside after passing through the side stroke opening 86.

[0071] When the open-pit mine stack system for reducing sway is moved to the required position, the lifting winch 6 drives the stack 2 through the lifting pulley 62 and the pulley block 61 to put down the stack 2 and place one end of the stack 2 on the soil pile 1, and then the angle of the pressing plate 71 is adjusted through the upper adjusting oil cylinder 73 and the lower adjusting oil cylinder 75 in the hydraulic device 7 to make the pressing plate 71 closely contact with the soil pile 1 and be pressed tightly, and then the upper locking device 77 and the lower locking device 76 are locked respectively to lock the upper adjusting oil cylinder 73 and the lower adjusting oil cylinder 75, at this time, the vehicle can be normally passed.

[0072] The locking of the upper locking device 77 and the lower locking device 76 is preferably that the output end of the rack oil cylinder 83 drives the locking rack 82 to be put down to be engaged with the side long tooth 812 arranged on the side of the stroke rack 81 to lock the stroke rack 81, fix the length of the upper locking device 77 and the lower locking device 76 respectively, and then fix the length of the upper adjusting oil cylinder 73 and the lower adjusting oil cylinder 75.

[0073] The above only describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to the above embodiments, but any equivalent modification or change made by the ordinary skilled in the art according to the disclosed content of the present application shall be included in the protection scope recorded in the claims.

Claims

1. A sway-reducing open-pit stacker system, characterized by: The open-pit stacker system comprises a stacker (2), a transport platform (3) and a pile leg (30), the pile leg (30) comprises a gear box (31) and a gear column (32) penetrating through the gear box (31) and sliding up and down with the gear box (31), the top of the gear column (32) is higher than the transport platform (3), and the bottom of the gear column (32) is in contact with the bottom surface of the soil pile (1); The top surface of the transport platform (3) is hingedly connected with the inner end of one stacker (2) at two ends, the outer end of the stacker (2) is overlapped with the top of the soil pile (1), the bottom surface of the middle part of the stacker (2) is connected with the top surface of the pressing plate (71) through the hydraulic device (7), and the bottom surface of the pressing plate (71) is in pressing contact with the inclined surface (11) of the soil pile (1); The hydraulic device (7) comprises at least two hydraulic units (72) arranged in sequence along the pressing plate (71), the hydraulic unit (72) comprises an upper adjusting oil cylinder (73), a pressing connecting rod (74) and a lower adjusting oil cylinder (75), the top end of the pressing connecting rod (74) is hingedly connected with the bottom of the stacker (2), the bottom end of the pressing connecting rod (74) is hingedly connected with the outer side of the pressing plate (71), the inner side of the pressing plate (71) is hingedly connected with the bottom end of the lower adjusting oil cylinder (75) and the lower locking device (76) at the same time, the top end of the lower adjusting oil cylinder (75) and the lower locking device (76) is hingedly connected with the inner side of the pressing connecting rod (74), and the outer side of the pressing connecting rod (74) is hingedly connected with the bottom end of the upper adjusting oil cylinder (73) and the upper locking device (77), and the top end of the upper adjusting oil cylinder (73) and the upper locking device (77) is hingedly connected with the bottom of the stacker (2); The upper locking device (77) and the upper adjusting oil cylinder (73) are arranged in parallel and have synchronous strokes, and the lower locking device (76) and the lower adjusting oil cylinder (75) are arranged in parallel and have synchronous strokes; The upper locking device (77) and the lower locking device (76) have the same structure and comprise a locking mounting box (8), a stroke rack (81), a locking rack (82) and a rack oil cylinder (83), the closed end of the locking mounting box (8) is connected with a box hanging ear (84), the opening end of the locking mounting box (8) is inserted with the stroke rack (81), the part of the stroke rack (81) located outside the locking mounting box (8) is connected with a rack hanging ear (811), the left side of the stroke rack (81) is provided with a side long tooth (812), the top surface and the bottom surface of the stroke rack (81) are provided with stroke sliding rails (813), and the stroke sliding rails (813) are in sliding contact with stroke sliding grooves (85) formed in the inner box wall of the locking mounting box (8). The side of the locking installation box (8) is provided with a side stroke opening (86) which is arranged opposite to the side long teeth (812), the top of the locking installation box (8) is connected with one side of the locking top cover (88) through the locking support part (87), the bottom surface of the locking top cover (88) is connected with the top end of the rack oil cylinder (83) at a position away from the locking support part (87), the output end of the rack oil cylinder (83) is connected with the top of the locking rack (82) below, and the locking rack (82) is engaged with the side long teeth (812) on the side through the side stroke opening (86); Both ends of the upper adjusting oil cylinder (73) and the lower adjusting oil cylinder (75) are respectively connected with the oil cylinder outer hanging ear (731) and the oil cylinder inner hanging ear (732); The oil cylinder outer hanging ear (731) on the upper adjusting oil cylinder (73) is hingedly connected with the bottom of the trestle (2) through the upper first ear plate (734), the box hanging ear (84) in the upper locking device (77) is hingedly connected with the bottom of the trestle (2) through the upper second ear plate (735), and the oil cylinder outer hanging ear (731), the upper first ear plate (734), the box hanging ear (84) and the upper second ear plate (735) pass through the same upper rotating pin (733) inside; The oil cylinder inner hanging ear (732) on the upper adjusting oil cylinder (73) is hingedly connected with the outer side of the pressing connecting rod (74) through the rod outer first ear plate (741), the rack hanging ear (811) in the upper locking device (77) is hingedly connected with the outer side of the pressing connecting rod (74) through the rod outer second ear plate (742), and the oil cylinder inner hanging ear (732), the rod outer first ear plate (741), the rack hanging ear (811) and the rod outer second ear plate (742) pass through the same rod outer rotating pin (743) inside; The oil cylinder outer hanging ear (731) on the lower adjusting oil cylinder (75) is hingedly connected with the top of the pressing plate (71) through the lower first ear plate (751), the rack hanging ear (811) in the lower locking device (76) is hingedly connected with the top of the pressing plate (71) through the lower second ear plate (752), and the oil cylinder outer hanging ear (731), the lower first ear plate (751), the rack hanging ear (811) and the lower second ear plate (752) pass through the same lower rotating pin (753) inside; The oil cylinder inner hanging ear (732) on the lower adjusting oil cylinder (75) is hingedly connected with the inner side of the pressing connecting rod (74) through the rod inner first ear plate (744), the box hanging ear (84) in the lower locking device (76) is hingedly connected with the inner side of the pressing connecting rod (74) through the rod inner second ear plate (745), and the oil cylinder inner hanging ear (732), the rod inner first ear plate (744), the box hanging ear (84) and the rod inner second ear plate (745) pass through the same rod inner rotating pin (746) inside.

2. A sway reducing open pit stacker system according to claim 1, characterized in that: The locking rack (82) comprises a tooth sliding block (822), tooth insertion plates (821) connected to both sides of the tooth sliding block (822), and a toothed part (823), wherein the width of the tooth sliding block (822) is smaller than the width of the tooth insertion plates (821) and the toothed part (823), the outer side of the toothed part (823) is engaged with the side length tooth (812), and the top of the tooth sliding block (822) and the toothed part (823) is connected with the output end of the rack oil cylinder (83). An outer insertion box (89) is connected to the locking mounting box (8) near the opening end of the locking mounting box (8), the outer insertion box (89) is provided with a lower insertion cavity (891) and a lower sliding cavity (892) which are in communication with the inner cavity of the locking mounting box (8), the lower insertion cavity (891) is provided with a tooth insertion plate (821) which is in up-down sliding cooperation with the lower insertion cavity (891), and the lower sliding cavity (892) is provided with a tooth sliding block (822) which is in up-down sliding cooperation with the lower sliding cavity (892).

3. A reduced sway open cut mine trestle system according to claim 2, characterised in that: The locking support part (87) comprises two pairs of parallel locking support rods (871), (872), (873) and (874), the bottom ends of the locking support rods (871) and (872) are connected to the top of the inner first protrusion (893) and the inner second protrusion (894) respectively, the bottom ends of the locking support rods (873) and (874) are connected to the top of the locking mounting box (8), the top ends of the locking support rods (871), (872), (873) and (874) are connected to the four corners of the locking top cover (88), and the locking top cover (88) is provided with a cover gap 881 which is connected to the top end of the rack oil cylinder (83).

4. A sway reducing open-pit stacker system according to claim 1, characterized in that: The top surface and the bottom surface of the stroke rack (81) are respectively provided with two stroke sliding rails (813), that is, one stroke rack (81) is provided with four stroke sliding rails (813); the stroke sliding groove (85) comprises upper and lower corresponding middle upper sliding grooves (851) and middle lower sliding grooves (852), and upper and lower corresponding inner upper sliding grooves (853) and inner lower sliding grooves (854), the middle upper sliding groove (851) is located between the tooth sliding cavity (824) and the inner upper sliding groove (853); the middle upper sliding groove (851), the middle lower sliding groove (852), the inner upper sliding groove (853) and the inner lower sliding groove (854) are in one-to-one sliding cooperation with the four stroke sliding rails (813), and the tooth sliding cavity (824) is provided with a side length tooth (812).

5. A sway reducing open-pit stacker system according to claim 1, characterized in that: The stack bridge (2) is in T-shaped structure, comprising a wide outer bridge (21) and a narrow inner bridge (22), the width of the wide outer bridge (21) is greater than the width of the narrow inner bridge (22), the outer end of the wide outer bridge (21) is connected to the top of the soil pile (1), the inner end of the wide outer bridge (21) is connected to the outer end of the narrow inner bridge (22), the inner end of the narrow inner bridge (22) is connected to the transportation platform (3) through a bridge hinge shaft (23), and the bottom of the narrow inner bridge (22) is connected to the top surface of the pressing plate (71) through the hydraulic device (7). The wide outer bridge (21) is connected with a pulley block (61) at the front and rear ends respectively, the lifting winch (6) corresponding to the pulley block (61) is arranged on the transport platform (3) near the front and rear sides, the lifting winch (6) is connected with the corresponding pulley block (61) through a lifting pulley (62), and the lifting pulley (62) is arranged above the transport platform (3).

6. A sway reducing open-pit stacker system according to claim 1, characterized in that: The stack bridge (2) comprises an inner frame (25), a bridge top plate (24) and a bridge bottom plate (26) connected with the top surface and the bottom surface of the inner frame (25), the inner frame (25) comprises a plurality of frame cross beams (251) and frame vertical beams (252) intersecting with each other, and the inner frame (25) is surrounded by the bridge top plate (24) and the bridge bottom plate (26) to form a plurality of frame lattice cavities (253).

7. A sway reducing open-pit stacker system according to claim 1, characterized in that: The gear box (31) is provided with two rows of box gears (311), each row of box gears (311) comprises a plurality of box gears (311), one column sliding gear (321) engaged with the box gear (311) is arranged on each side of the gear column (32), one column sliding gear (321) corresponds to one row of box gears (311), and the bottom of the gear column (32) is connected with the pile foot (301).

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