CN113700525B - Direction-adjusting rotary platform of mining equipment - Google Patents
Direction-adjusting rotary platform of mining equipment Download PDFInfo
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- CN113700525B CN113700525B CN202110866734.8A CN202110866734A CN113700525B CN 113700525 B CN113700525 B CN 113700525B CN 202110866734 A CN202110866734 A CN 202110866734A CN 113700525 B CN113700525 B CN 113700525B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/006—Equipment transport systems
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- Geochemistry & Mineralogy (AREA)
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- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention relates to a direction-regulating rotary platform of mining equipment, which is borne by a transport vehicle; the mining equipment steering rotary platform comprises: the turntable base is fixed on a bottom plate of the underground roadway, and a first track for bearing the transport vehicle is arranged on the upper surface of the turntable base; the movable turntable is rotatably connected with the turntable base, a second track is arranged on the upper surface of the movable turntable, and the movable turntable is configured to be capable of being abutted with the first track to form a complete track for the transport vehicle to run when the movable turntable rotates in place relative to the turntable base; the upper surface of the turntable base is flush with the upper surface of the movable turntable. The direction-adjusting rotary platform of mining equipment is stable and reliable, is suitable for rotating and direction-adjusting all underground transportation vehicles, and can adjust the direction of a hydraulic support with the weight of 30 tons by 180 degrees.
Description
Technical Field
The invention relates to the technical field of mining machinery, in particular to a direction-adjusting rotary platform of mining equipment.
Background
The coal mine equipment mainly comprises a coal mining machine, a conveyor and a hydraulic support, wherein the weight of the hydraulic support is the largest. The hydraulic support is a structure for controlling the mine pressure of the coal face, and the mining face is acted on the hydraulic support in a mode of external load except the mine pressure. The hydraulic support can reliably and effectively support and control the top plate of the working face, isolate the goaf and prevent gangue from entering the stope working face and the propelling conveyor. The hydraulic support is matched with the coal mining machine, comprehensive mechanization of coal mining can be achieved, the contradiction that roof management falls behind the coal mining work in mechanized coal mining work is solved, the efficiency of coal mining and transportation equipment is improved and improved, the labor intensity of coal mine workers is reduced, and the safety of the coal mine workers is guaranteed to the greatest extent.
The hydraulic support has large weight and volume, for example ZYG9200/22/46 hydraulic support weighs 33 tons, and is transported in a underworkings with limited space by a transport vehicle, and the rotation direction of the hydraulic support is inconvenient. When the auxiliary inclined shaft lifts the hydraulic support, if the tail of the hydraulic support advances, accidents can be induced due to unbalance weight; in order to avoid safety accidents, the hydraulic support needs to be adjusted to the head to advance.
It is therefore desirable to provide a mining apparatus steering rotary platform that can steer a transport vehicle carrying hydraulic brackets 180 degrees downhole.
Disclosure of Invention
First, the technical problem to be solved
In view of the defects and shortcomings of the prior art, the invention provides a direction-adjusting rotary platform of mining equipment, which solves the technical problem that the existing hydraulic support is large in size and weight and cannot be adjusted by 180 degrees underground.
(II) technical scheme
In order to achieve the above purpose, the main technical scheme adopted by the invention comprises the following steps:
the embodiment of the invention provides a direction-regulating rotary platform of mining equipment, which is borne by a transport vehicle; the mining equipment steering rotary platform comprises:
the turntable base is fixed on a bottom plate of the underground roadway, and a first track for bearing the transport vehicle is arranged on the upper surface of the turntable base;
the movable turntable is rotatably connected with the turntable base, a second track is arranged on the upper surface of the movable turntable, and the movable turntable is configured to be butted with the first track to form a complete track when the movable turntable rotates in place relative to the turntable base;
The mining equipment direction-adjusting rotary platform further comprises an automatic positioning device; the automatic positioning device is arranged between the turntable base and the movable turntable, and when the movable turntable rotates in place relative to the turntable base, the automatic positioning device limits the rotation of the movable turntable;
the automatic positioning device comprises: the positioning pin penetrates through the limiting hole and is inserted into the positioning pin hole to position the movable turntable;
Optionally, the automatic positioning device further comprises a bolt fixing component, and the bolt fixing component limits the positioning bolt to axially move when the movable turntable rotates;
The bolt fixing assembly comprises an extension pipe, a locking rod and a locking spring, wherein the extension pipe, the locking rod and the locking spring are arranged on the lower surface of the movable turntable, and the extension pipe is opposite to the limiting hole;
One end of the locking rod is movably connected with the movable turntable, the other end of the locking rod is fixedly connected with one end of the locking spring, the other end of the locking spring is fixedly connected with the movable turntable, a limiting groove is formed in the extension pipe, the outer circumferential surface of the positioning bolt is inwards recessed to form a locking groove, and the locking rod penetrates through the limiting groove and is inserted into the locking groove under the action of the locking spring;
the automatic positioning device further comprises a bolt automatic release component, when the movable disc rotates in place, the bolt automatic release component enables the bolt fixing component to release the limitation of the positioning bolt, and the lower end of the positioning bolt falls onto the turntable base;
the bolt automatic release assembly comprises an unlocking component and a trigger point matched with the unlocking component for use;
The locking rod is provided with the unlocking part on one side of being away from the locking spring, the trigger point is cylindric protruding, and the adjacent setting is in location pinhole department, when movable carousel carries the location bolt is close the location pinhole, the trigger point extrusion unlocking part, unlocking part promotes the locking rod is followed in the locking groove breaks away from.
Optionally, the mining equipment steering rotating platform further comprises a car stopping device for limiting the movement of the transport vehicle;
The car stopping device is arranged on the upper surface of the movable turntable and comprises an opening state and a closing state, and when the car stopping device is in the opening state, a transport vehicle on the movable turntable is locked; when the car stopping device is in a closed state, the transport vehicle on the movable turntable can move.
Optionally, the car stopping device includes:
the first car-blocking assembly and the second car-blocking assembly are oppositely arranged, the car-blocking assembly is provided with a first end capable of propping against an axle of the transport vehicle to brake the transport vehicle, a second end provided with a counterweight structure and a rotating shaft positioned between the first end and the second end, and the axis of the rotating shaft extends parallel to the upper surface of the movable turntable;
The first car-blocking assembly and the second car-blocking assembly can rotate around the rotating shaft so that the first ends of the first car-blocking assembly and the second car-blocking assembly can prop against an axle or separate from the axle.
Optionally, a protruding axle is provided below the second ends of the first and second vehicle barrier assemblies, the protruding axle being configured to be rotatable about its own axis to rotate the first vehicle barrier assembly counter-clockwise about its axis of rotation and the second vehicle barrier assembly clockwise about its axis of rotation until its first end is clear of the axle.
Optionally, the car stopping device further comprises a control handle, wherein the control handle is fixedly connected with the protruding shaft, and the protruding shaft rotates around the axis of the protruding shaft under the driving of the control handle.
Optionally, the number of the positioning pin holes is 2, and the positioning pin holes are symmetrically arranged about a vertical axis passing through the center of the circle of the movable turntable.
Optionally, two trigger points are disposed at each positioning pin hole, one of the two trigger points is used for triggering the unlocking component when the movable turntable rotates clockwise, and the other trigger point is used for triggering the unlocking component when the movable turntable rotates anticlockwise.
(III) beneficial effects
The beneficial effects of the invention are as follows: compared with the prior art, the direction-adjusting rotary platform for mining equipment has the advantages of firm structure, stability and reliability, suitability for rotating and direction-adjusting all underground transportation vehicles, and capability of adjusting the direction of the transportation vehicles carrying the hydraulic support with the weight of 30 tons by 180 degrees without influencing the transportation of the main endless rope winch.
Compared with the prior art, the direction-adjusting rotary platform for the mining equipment can ensure that the transportation vehicle and the mining equipment cannot slide and fall off in the rotating process due to the adoption of the car blocking device, so that intrinsic safety is realized.
Compared with the prior art, the automatic positioning device is adopted for the mine equipment rotation adjusting platform, and after the movable turntable rotates in place, the positioning bolt automatically falls and is inserted into the positioning pin hole, so that the movable turntable and the rail joint on the base are ensured not to deviate.
Drawings
FIG. 1 is a schematic top view of example 1 of the mine equipment steer rotation platform of the present invention, wherein only the turntable base, movable turntable, first track, second track, and car stop are shown;
FIG. 2 is a schematic front view of example 1 of the mine equipment steer rotation platform of the present invention, wherein only the turntable base, swivel bearing and movable turntable are shown;
FIG. 3 is a schematic top view of example 1 of the mine equipment steer rotation platform of the present invention, wherein only the turntable base and slew bearing are shown;
FIG. 4 is a schematic top view of a car stop arrangement of the mining apparatus steer rotation platform of the present invention, with the first car stop assembly, the second car stop assembly, and the fixed plate separated;
FIG. 5 is a schematic top view of a car stop arrangement of the mining apparatus steer rotation platform of the present invention, wherein a first car stop assembly, a second car stop assembly, and a fixed plate are assembled together;
FIG. 6 is a schematic front view of the vehicle barrier of FIG. 5 with the first and second vehicle barrier assemblies in an open position;
FIG. 7 is another schematic front view of a car stop arrangement of the mining apparatus steer rotation platform of the present invention, with the first and second car stop assemblies in a closed state;
FIG. 8 is a schematic bottom view of the movable turret of the mining apparatus steer rotation platform of the present invention, showing the movable turret and the latch fixing assembly of the automatic positioning device, the latch fixing assembly being fixedly mounted to the lower surface of the movable turret;
FIG. 9 is an enlarged schematic view of the movable turret and latch-fixing assembly of FIG. 8 at A;
FIG. 10 is a schematic top view of the mining apparatus steer rotation platform of the present invention, wherein only the turntable base and the automatic positioning device are shown, the latch securing assembly and the unlocking member of the automatic positioning device are not rotated to the dowel holes, and the trigger point does not trigger the unlocking member;
FIG. 11 is an enlarged schematic view of the mining apparatus steer rotation platform of FIG. 10 at B;
FIG. 12 is a schematic view in partial cross-section of the mining apparatus steer rotation platform of FIG. 10 at the limit aperture, showing the movable turntable, extension tube, locking bar and turntable base, the locking bar being inserted into the locking slot through the limit slot, limiting the downward movement of the locating pin into contact with the turntable base;
FIG. 13 is another schematic top view of the mining apparatus steer rotation platform of the present invention, showing only the turntable base and the automatic positioning device, with the deadbolt assembly and unlocking member rotated to the dowel hole, with the trigger point triggering the unlocking member;
FIG. 14 is an enlarged schematic view of the mining apparatus steer rotation platform of FIG. 13 at C, wherein the extension tube of the stationary pin assembly is not coincident with the registration pin bore;
FIG. 15 is a schematic view in partial cross-section of the mining apparatus steer rotation platform of FIG. 13 at the limit aperture, showing the movable turntable, extension tube, locking bar and turntable base, the locking bar disengaged from the locking slot, releasing the limit on the positioning latch, the positioning latch moving downward into contact with the turntable base;
FIG. 16 is another schematic top view of the mining apparatus steer rotation platform of the present invention, with only the turntable base and automatic positioning device shown;
FIG. 17 is an enlarged schematic view of the mining apparatus steer rotation platform of FIG. 16 at D with extension tubes coincident with registration pin holes;
FIG. 18 is a schematic view of the mining apparatus steer rotation platform of FIG. 16 in partial cross-section at a pilot hole, showing a movable turret, extension tube, locking bar, and turret base, with the pilot hole facing the pilot pin hole, with a pilot pin inserted into the pilot pin hole through the pilot hole;
fig. 19 is a schematic top view of example 2 of the mine equipment turning and rotating platform of the present invention, in which only the turntable base and the movable bearings are shown, and four registration pin holes are formed in the turntable base.
[ Reference numerals description ]
1: A turntable base; 2: a slewing bearing; 3: a movable turntable; 4: a first track; 5: a car stopping device; 6: a second track; 7: a fixing plate; 8: a first vehicle barrier assembly; 9: a second vehicle barrier assembly; 10: a movable baffle; 11: balancing weight; 12: a protruding shaft; 13: a control handle; 14: a convex surface; 15: a first rotation shaft; 16: a second rotation shaft; 17: a compression bar; 18: a trigger point; 19: an unlocking member; 20: positioning pin holes; 21: positioning a bolt; 22: a limiting hole; 23: an extension tube; 24: a locking lever; 25: a locking spring; 26: a limit groove; 27: a locking groove.
Detailed Description
The invention will be better explained by the following detailed description of the embodiments with reference to the drawings.
Example 1:
referring to fig. 1,2 and 3, the present invention provides a mining apparatus direction-adjusting rotary platform, the mining apparatus being carried by a transport vehicle, the mining apparatus direction-adjusting rotary platform comprising:
The turntable base 1 is fixed on a bottom plate of an underground roadway, and a first track 4 for bearing a transport vehicle is arranged on the upper surface of the turntable base 1;
The movable turntable 3 is rotatably connected with the turntable base 1 through a rotary bearing 2, the movable turntable 3 can rotate relative to the turntable base 360 degrees without dead angles through the rotary bearing 2, a second track 6 matched with the first track 4 is arranged on the upper surface of the movable turntable 3, and the movable turntable 3 is configured to be in butt joint with the first track 4 to form a complete track for rolling running of a transport vehicle when the movable turntable 3 rotates in place relative to the turntable base 1;
the upper surface of the turntable base 1 is flush with the upper surface of the movable turntable 3.
Further, the mining equipment steering rotating platform further comprises a car stopping device for limiting the movement of the transport vehicle;
The car stopping device 5 is arranged on the upper surface of the movable turntable 3 and comprises an open state and a closed state, and when the car stopping device 5 is in the open state, a transport vehicle on the movable turntable 3 is locked; when the car-stop device 5 is in the closed state, the transport vehicle on the movable turntable 3 is movable.
Specifically, the turntable base 1 was welded using 11# h steel for mining, and the upper and bottom surfaces were welded using 2 30mm steel plates 2200 x 1750mm steel plates.
The slewing bearing 2 isThe first track 4 and the second track 6 use 38kg/m tracks. The total weight of the direction-adjusting rotary platform of mining equipment is about 300kg, the height is 300mm, a concrete foundation needs to be constructed before installation, and 4 strips are pre-buriedThe bolt is used for being fixedly connected with the turntable base 1.
Referring to fig. 4, 5, 6 and 7, the vehicle stopping device 5 includes:
the first car-blocking assembly 8 and the second car-blocking assembly 9 are oppositely arranged, the car-blocking assemblies are provided with first ends capable of propping against axles of the transport vehicles to brake the transport vehicles, second ends provided with counterweight structures and rotating shafts positioned between the first ends and the second ends, and axes of the rotating shafts extend parallel to the upper surface of the movable turntable 3;
the first and second vehicle stop assemblies 8, 9 are rotatable about the rotational axis to urge their first ends against the axle (the open condition shown in fig. 6) or away from the axle (the closed condition shown in fig. 7).
Further, below the second ends of the first and second vehicle barrier assemblies 8, 9, a protruding axle 12 is provided, the protruding axle 12 being configured to be rotatable about its own axis to rotate the first vehicle barrier assembly 8 counterclockwise about its rotational axis, and the second vehicle barrier assembly 9 clockwise about its rotational axis to a state in which its first end is out of the axle (closed state as shown in fig. 7).
It should be noted that the rotation axis of the first car-blocking assembly 8 is a first rotation axis 15, and the rotation axis of the second car-blocking assembly 9 is a second rotation axis 16.
Further, the car-blocking device further comprises a fixed plate 7, the fixed plate 7 is arranged on the upper surface of the movable turntable 3, and the first rotating shaft 15 of the first car-blocking assembly 8, the second rotating shaft 16 of the second car-blocking assembly 9 and the protruding shaft 12 are respectively connected with the fixed plate 7 in a rotating mode.
Convex shaft 12 is provided with convex surface 14 corresponding to first car stopping subassembly 8 and second car stopping subassembly 9 department, and when convex surface 14 rotated to vertical state, convex surface 14 was with first car stopping subassembly 8 and second car stopping subassembly 9 jack-up to make first car stopping subassembly 8 and second car stopping subassembly 9 approximately horizontal, be in the closed state, release the restriction to the front and back axletree of transport vehicle.
In addition, the car stopping device 5 further comprises a control handle 13, the axis of the control handle 13 is perpendicular to the protruding direction of the convex surface 14, one end of the convex shaft 12 extends to the outer side of the fixed plate 7 and is fixedly connected with the control handle 13, and the convex shaft 12 rotates around the axis of the control handle 13.
Specifically, the first car-blocking assembly 8 and the second car-blocking assembly 9 each comprise a movable baffle 10 and a balancing weight 11, and the balancing weights 11 are installed on one side of the movable baffle 10 close to the fixed plate 7.
In addition, the upper portion of the second car-blocking assembly 9 is provided with a pressing rod 17 at one side close to the first car-blocking assembly 8, and when the second end of the second car-blocking assembly 9 moves downwards, the pressing rod 17 presses the second end of the first car-blocking assembly 8 to move downwards, so that the linkage purpose is achieved.
When in use, the control handle 13 is rotated to the horizontal position, so that the car stopping device 5 is in a closed state; secondly, pushing the transport vehicle carrying mining equipment onto the second track 6 of the movable turntable 3; then the control handle 13 is rotated to a vertical position, and the first ends of the first car stopping assembly 8 and the second car stopping assembly 9 are rotated and tilted under the action of gravity and are in an open state; then, horizontally pushing the transport vehicle carrying mining equipment to rotate 180 degrees to adjust the direction; finally, the control handle 13 is rotated to the horizontal position, the car-blocking device 5 is in the closed state, and the transport vehicle is pulled out of the mining equipment to the rotating platform.
As shown in fig. 3, 8 and 9, the directional rotating platform of mining equipment further comprises an automatic positioning device, which is arranged between the turntable base 1 and the movable turntable 3, and when the movable turntable 3 rotates in place relative to the turntable base 1, the automatic positioning device limits the rotation of the movable turntable 3.
The automatic positioning device comprises: the movable turntable 3 comprises a limiting hole 22 with a through hole structure, a positioning pin hole 20 arranged on the turntable base 1 below the movable turntable 3, and a positioning pin 21 penetrating through the limiting hole 22 and inserted into the positioning pin hole 20 to position the movable turntable 3.
Further, the number of the positioning pin holes 20 is 2, and the positioning pin holes are symmetrically arranged about a vertical axis passing through the center of the movable turntable 3.
As shown in connection with fig. 10 to 18, the automatic positioning device further includes: the bolt fixing component is used for locating the bolt 21 to axially move when the movable turntable 3 rotates;
The latch fixing assembly includes an extension tube 23, a latching lever 24 and a latching spring 25. The extension pipe 23, the locking rod 24 and the locking spring 25 are arranged on the lower surface of the movable turntable 3, and the extension pipe 23 is arranged opposite to the limiting hole 22.
One end of the locking rod 24 is movably connected with the lower surface of the movable turntable 3, the other end of the locking rod 24 is fixedly connected with one end of the locking spring 25, the other end of the locking spring 25 is fixedly connected with the lower surface of the movable turntable 3, a limiting groove 26 is formed in the extension pipe 23, a locking groove 27 is formed by inwards sinking on the outer circumferential surface of the positioning bolt 21, and the locking rod 24 can be selectively inserted into the locking groove 27 through the limiting groove 26 under the action of the locking spring 25, so that the positioning bolt 21 is limited to move downwards (see fig. 12). Due to the adoption of the structure, in the rotating process of the movable turntable 1, the lower end of the positioning bolt 21 is not contacted with the upper surface of the turntable base 1, so that the resistance encountered in the direction-adjusting rotation of mining equipment is reduced.
The automatic positioning device further comprises a bolt automatic release component, when the movable turntable 3 rotates in place, the bolt automatic release component enables the bolt fixing component to release the restriction on the positioning bolt 21, and the lower end of the positioning bolt 21 falls onto the turntable base 1;
The automatic release assembly of bolt includes: unlocking member 19 and a trigger point for use with unlocking member 19.
The unlocking part 19 is arranged on one side of the locking rod 24, which is opposite to the locking spring 25, the triggering point is a cylindrical bulge, and is adjacent to the positioning pin hole 20, when the movable turntable 3 carries the positioning pin 21 to approach the positioning pin hole 20, the triggering point presses the unlocking part 19, the unlocking part 19 pushes the locking rod 24 to be separated from the locking groove 27, and the positioning pin 21 is automatically released, so that the positioning pin 21 is inserted into the positioning pin hole 20 (see fig. 18).
Further, two trigger points are provided at each positioning pin hole 20, one trigger point is used for triggering the unlocking component 19 when the movable turntable 3 rotates clockwise, and the other trigger point is used for triggering the unlocking component 19 when the movable turntable 3 rotates anticlockwise.
Example 2:
Referring to fig. 19, this embodiment also provides another mine equipment steering rotation platform, which is different from embodiment 1 in that four positioning pin holes 20 are further provided on the turntable base 1, wherein two positioning pin holes 20 are symmetrically disposed about a vertical axis passing through the center of the movable turntable 3, the other two positioning pin holes 20 are also symmetrically disposed about a vertical axis passing through the center of the movable turntable 3, and wherein a plane in which a vertical axis passing through the center of the two positioning pin holes 20 is perpendicular to a plane in which a vertical axis passing through the center of the other two positioning pin holes 20 is located. Due to the adoption of the structure, the mining equipment steering rotating platform is suitable for 180-degree steering of all rail system transportation vehicles, can also realize 90-degree or 270-degree turning, and is used for various places with small turning radius or limited conditions.
In addition, the number of the positioning pin holes 20 can be 3, 5, 6 or even more, so that the movable turntable 3 can be rotationally positioned relative to the turntable base by 0-360 degrees.
Compared with the prior art, the mining equipment direction-adjusting rotary platform has a firm structure, is stable and reliable, is suitable for rotating and direction-adjusting all underground transportation vehicles, can adjust the direction of a hydraulic support with the weight of 30 tons by 180 degrees, and does not influence the transportation of a main endless rope winch due to the adoption of the turntable base 1, the movable turntable 3, the car-blocking device 5 and the automatic positioning device.
In the description of the present invention, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature, which may be in direct contact with the first and second features, or in indirect contact with the first and second features via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is level lower than the second feature.
In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., refer to particular features, structures, materials, or characteristics described in connection with the embodiment or example as being included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the invention.
Claims (7)
1. A mining apparatus steer rotation platform, the mining apparatus being carried by a transportation vehicle; the method is characterized in that: the mining equipment steering rotary platform comprises:
The turntable base (1) is fixed on a bottom plate of an underground roadway, and a first track (4) for bearing the transport vehicle is arranged on the upper surface of the turntable base (1);
The movable turntable (3) is rotatably connected with the turntable base (1), and a second track (6) is fixedly arranged on the upper surface of the movable turntable (3) so as to bear the transport vehicle when the movable turntable rotates;
The movable turntable (3) is configured such that when the movable turntable (3) rotates in place relative to the turntable base (1), the second track (6) interfaces with the first track (4) to form a complete track;
the mining equipment steering rotating platform further comprises: the automatic positioning device is arranged between the turntable base (1) and the movable turntable (3), and when the movable turntable (3) rotates in place relative to the turntable base (1), the automatic positioning device limits the rotation of the movable turntable (3);
the automatic positioning device comprises: the positioning device comprises a limiting hole (22) which is arranged on the movable turntable (3) and is of a through hole structure, a positioning pin hole (20) which is arranged on the turntable base (1) below the movable turntable (3), and a positioning plug pin (21) which passes through the limiting hole (22) and is inserted into the positioning pin hole (20) to position the movable turntable (3);
The automatic positioning device further includes: the bolt fixing assembly limits the positioning bolt (21) to axially move when the movable turntable (3) rotates;
The latch fixing assembly includes: the extension pipe (23), the locking rod (24) and the locking spring (25), wherein the extension pipe (23), the locking rod (24) and the locking spring (25) are arranged on the lower surface of the movable turntable (3), and the extension pipe (23) is opposite to the limiting hole (22);
One end of the locking rod (24) is movably connected with the movable turntable (3), the other end of the locking rod (24) is fixedly connected with one end of the locking spring (25), the other end of the locking spring (25) is fixedly connected with the movable turntable (3), a limiting groove (26) is formed in the extending pipe (23), a locking groove (27) is formed in the outer circumferential surface of the positioning bolt (21) in an inward sinking mode, and under the action of the locking spring (25), the locking rod (24) penetrates through the limiting groove (26) and is inserted into the locking groove (27);
the automatic positioning device further comprises a bolt automatic release component, when the movable turntable (3) rotates in place, the bolt automatic release component enables the bolt fixing component to release the limit on the positioning bolt (21), and the lower end of the positioning bolt (21) falls onto the turntable base (1);
the plug pin automatic release assembly comprises an unlocking component (19) and a trigger point matched with the unlocking component (19);
The locking rod (24) is provided with the unlocking part (19) on one side, which is opposite to the locking spring (25), of the locking rod, the triggering point is a cylindrical bulge, the triggering point is adjacently arranged at the positioning pin hole (20), when the movable rotary table (3) carries the positioning bolt (21) to approach the positioning pin hole (20), the triggering point extrudes the unlocking part (19), and the unlocking part (19) pushes the locking rod (24) to be separated from the locking groove (27).
2. The mining apparatus steer rotation platform of claim 1, wherein: the mining equipment steering rotating platform further comprises a car stopping device (5) for limiting the movement of the transport vehicle;
The car stopping device (5) is arranged on the upper surface of the movable turntable (3) and comprises an opening state and a closing state, and when the car stopping device (5) is in the opening state, a transport vehicle on the movable turntable (3) is locked; when the car stopping device (5) is in a closed state, the transport vehicle on the movable turntable (3) can move.
3. The mining apparatus steer rotation platform of claim 2, wherein: the vehicle blocking device (5) comprises:
The first car-blocking assembly (8) and the second car-blocking assembly (9) are oppositely arranged, the car-blocking assemblies are provided with a first end capable of propping against an axle of the transport vehicle to brake the transport vehicle, a second end provided with a counterweight structure, and a rotating shaft positioned between the first end and the second end, and the axis of the rotating shaft extends parallel to the upper surface of the movable turntable (3);
The first car-blocking assembly (8) and the second car-blocking assembly (9) can rotate around the rotating shaft so that the first ends of the first car-blocking assemblies abut against the axle or are separated from the axle.
4. A mining apparatus steering rotation platform according to claim 3, wherein: under the second ends of the first and second car-blocking assemblies (8, 9), a protruding axle (12) is provided, the protruding axle (12) being configured to be rotatable about its own axis to rotate the first car-blocking assembly (8) counter-clockwise about its rotational axis, and the second car-blocking assembly (9) clockwise about its rotational axis until its first end is disengaged from the axle.
5. A mining apparatus steering rotation platform according to claim 3, wherein: the car stopping device further comprises a control handle (13), the control handle (13) is fixedly connected with the protruding shaft (12), and the protruding shaft (12) rotates around the axis of the car stopping device under the driving of the control handle (13).
6. The mining apparatus steer rotation platform of claim 1, wherein: the number of the positioning pin holes (20) is 2, and the positioning pin holes are symmetrically arranged about a vertical axis passing through the circle center of the movable turntable (3).
7. The mining apparatus steer rotation platform of claim 1, wherein: each positioning pin hole (20) is provided with two trigger points, one trigger point is used for triggering the unlocking component (19) when the movable turntable (3) rotates clockwise, and the other trigger point is used for triggering the unlocking component (19) when the movable turntable (3) rotates anticlockwise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201908239U (en) * | 2010-12-17 | 2011-07-27 | 神华集团有限责任公司 | Retrogradation rotating disc |
| CN104088654A (en) * | 2014-06-27 | 2014-10-08 | 枣庄矿业(集团)有限责任公司田陈煤矿 | Fully mechanized coal mining and caving work face open-off cut mounting support adjusting device |
| CN204325819U (en) * | 2014-11-17 | 2015-05-13 | 神华集团有限责任公司 | A kind of hydraulic rotation winding mountain path |
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| CN201705363U (en) * | 2010-06-22 | 2011-01-12 | 开滦能源化工股份有限公司吕家坨矿业分公司 | Roadway intersection transportation steering platform |
| CN208309306U (en) * | 2018-05-25 | 2019-01-01 | 河南永锦能源有限公司云盖山煤矿二矿 | Support of mines turns to turntable |
| CN109915192B (en) * | 2019-04-30 | 2023-11-14 | 大连宏远气动液压船舶辅机有限公司 | Underground coal mine hydraulic support unloading and steering in-place platform |
| FR3103155B1 (en) * | 2019-11-19 | 2023-10-27 | Ack Forankra | Vehicle lashing system, corresponding accessory and rail. |
| CN111852523B (en) * | 2020-06-19 | 2022-04-12 | 四川川煤华荣能源股份有限公司 | Rotating platform for bracket mounting |
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| CN201908239U (en) * | 2010-12-17 | 2011-07-27 | 神华集团有限责任公司 | Retrogradation rotating disc |
| CN104088654A (en) * | 2014-06-27 | 2014-10-08 | 枣庄矿业(集团)有限责任公司田陈煤矿 | Fully mechanized coal mining and caving work face open-off cut mounting support adjusting device |
| CN204325819U (en) * | 2014-11-17 | 2015-05-13 | 神华集团有限责任公司 | A kind of hydraulic rotation winding mountain path |
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