CN213768563U

CN213768563U - Mine safety device for mining

Info

Publication number: CN213768563U
Application number: CN202022472939.1U
Authority: CN
Inventors: 刘国寅; 丁军明
Original assignee: Kunming Kunze Mining Technology Co ltd
Current assignee: Kunming Kunze Mining Technology Co ltd
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2021-07-23
Anticipated expiration: 2030-10-31

Abstract

The utility model belongs to the mine safety protection field, especially is a mine safety protection device for mining, including track and the mine car that traveles on it, a plurality of damping mechanisms that are arranged adjacently are all installed to the ground of track both sides, damping mechanism includes install bin, damping piece and first spring, the sliding tray has been seted up on the install bin, the damping piece slides in the sliding tray; after the mine car on the track derails, the wheel is acted on the damping piece, the damping piece moves down, first spring in the sliding tray cushions the damping piece, the damping piece can be effectual offsets the impact force of wheel, the wheel stops moving after buffering through a plurality of damping pieces, simultaneously, can not cause the phenomenon that the mine car stops in the twinkling of an eye, reduce the damage that inertia caused to personnel in the car, because when the wheel was acted on the damping piece, the damping piece pressurized descends, the mine car can not form the fluctuation of great amplitude and jolt, further improve the security.

Description

Mine safety device for mining

Technical Field

The utility model relates to a mine safety protection field specifically is a mine safety device is used in mining.

Background

The mining industry is an important raw material industry, metal ores are main raw materials of the smelting industry, non-metal ores are important chemical raw materials and building materials, a large number of mine cars run in a mining mine, the mine cars generally need to be pulled by a locomotive or a winch and can quickly transport goods and personnel, so the safety of the mine cars is particularly important, and the mine cars are divided into five categories, namely fixed mine cars, tipping bucket mine cars, unilateral curved rail side dump mine cars, bottom dump mine cars and shuttle mine cars according to different structures and unloading modes.

The Chinese patent discloses a safety protection device for mine shafts, (No. CN 210660190U), the technology of the patent can reduce the damage of a protection column and a mine car, but when the mine car is derailed, the mine car is stopped by directly impacting a guardrail, and because the inertia of the mine car in operation is large, the mine car is easy to damage personnel in the mine car, and the safety is poor. Accordingly, one skilled in the art provides a mine safety shield for mining to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mine safety device is used in mining to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a mine safety protection device for mining comprises a track and a mine car running on the track, wherein a plurality of damping mechanisms which are adjacently arranged are installed on the ground on two sides of the track, each damping mechanism comprises an installation box, a damping block and a first spring, a sliding groove is formed in the installation box, the damping blocks slide in the sliding groove, the top end of each first spring is fixed to the bottom surface of each damping block, the bottom end of each first spring is fixed to the bottom surface of the inner wall of the corresponding sliding groove, the top end of each damping block is arc-shaped, limiting grooves are formed in two side walls of the sliding groove, fixing toothed plates are fixedly connected to the inner walls of the limiting grooves, an installation groove is formed in the bottom end of each damping block, an insertion hole communicated with the installation groove is formed in the center position of each damping block, an upper threaded hole is formed in the top end of the insertion hole, and an insertion rod is inserted in the insertion hole in a sliding manner, the coaxial stop screw that is fixed with in top of inserted bar, the stop screw spiro union go up the threaded hole, be equipped with two symmetrical arrangement's ejector pin in the spliced hole, the outer wall sliding sleeve of ejector pin is equipped with the fixed plate, the fixed plate with mounting groove inner wall fixed connection, the coaxial fixedly connected with limiting plate of outer wall of ejector pin, the limiting plate with be equipped with the second spring between the fixed plate, the second spring housing is established the ejector pin outside, the equal fixedly connected with sloping block of one end that the ejector pin is close to each other, the sloping block with the inserted bar corresponds, the equal fixedly connected with of one end that the ejector pin was kept away from each other removes the pinion rack, remove the pinion rack with the fixed pinion rack corresponds.

As a further aspect of the present invention: the length of the fixed toothed plate is greater than the height of the damping block.

As a further aspect of the present invention: the mounting box and the damping block are made of stainless steel.

As a further aspect of the present invention: two lower threaded holes are symmetrically formed in the bottom surface of the mounting box, and a reinforcing mechanism is detachably connected in each lower threaded hole.

As a further aspect of the present invention: the reinforcing mechanism comprises a contact pin and a threaded column coaxially fixed on the top surface of the reinforcing mechanism, and the threaded column is in threaded connection with the lower threaded hole.

As a further aspect of the present invention: the outer wall of the contact pin is provided with anti-slip grains which are transversely arranged.

As a further aspect of the present invention: the maximum effective length of the first spring is smaller than the depth of the sliding groove.

Compared with the prior art, the beneficial effects of the utility model are that:

after the tramcar on the track is derailed, the wheels act on the damping blocks, the damping blocks move downwards under the action of impact force, the damping blocks are buffered by the first springs in the sliding grooves, the impact force of the wheels can be effectively counteracted by the damping blocks, the wheels stop moving after being buffered by the damping blocks, meanwhile, the phenomenon that the tramcar stops instantly is avoided, and the damage to personnel in the tramcar caused by inertia is reduced. Make the fixed pinion rack meshing joint of portable rack and spacing inslot, at this moment, the unable decline of damping piece carries out the separation to the mine car, prevents that the mine car from carrying out the secondary and sliding, improves personnel's security.

Drawings

FIG. 1 is a schematic view of a mine safety guard for mining;

FIG. 2 is a schematic diagram of the location distribution of damping mechanisms in a mine safety device for mining;

FIG. 3 is a schematic diagram of a damping mechanism in a mine safety device for mining;

FIG. 4 is a schematic diagram of an internal structure of a damping block in a mine safety device for mining;

FIG. 5 is an enlarged view of the point A in FIG. 3;

fig. 6 is a schematic view of a structure of an insert rod in a mine safety device for mining.

In the figure: 1. a track; 2. a mine car; 3. a damping mechanism; 301. a sliding groove; 302. a limiting groove; 303. mounting grooves; 304. inserting holes; 305. an upper threaded hole; 306. a lower threaded hole; 31. installing a box; 32. a damping block; 33. a first spring; 34. a fixed toothed plate; 35. inserting a rod; 351. a set screw; 36. a top rod; 361. a fixing plate; 362. a limiting plate; 363. a second spring; 37. a movable toothed plate; 38. a sloping block; 4. a reinforcing mechanism; 41. inserting a pin; 42. a threaded post.

Detailed Description

Referring to fig. 1 to 6, in an embodiment of the present invention, a mine safety protection device for mining includes a rail 1 and a mine car 2 running on the rail 1, wherein a plurality of damping mechanisms 3 are installed on the ground on both sides of the rail 1, each damping mechanism 3 includes a mounting box 31, a damping block 32 and a first spring 33, a sliding groove 301 is formed on the mounting box 31, the damping block 32 slides in the sliding groove 301, the top end of the first spring 33 is fixed on the bottom surface of the damping block 32, the bottom end of the first spring 33 is fixed on the bottom surface of the inner wall of the sliding groove 301, the top end of the damping block 32 is arc-shaped, both side walls of the sliding groove 301 are respectively provided with a limiting groove 302, the inner wall of the limiting groove 302 is fixedly connected with a fixed toothed plate 34, the bottom end of the damping block 32 is provided with a mounting groove 303, a plugging hole 304 penetrating through the mounting groove 303 is formed at the center of the damping block 32, the top end of the plugging hole 304 is provided with an upper threaded hole 305, sliding plug in the spliced eye 304 has inserted bar 35, coaxial being fixed with stop screw 351 in the top of inserted bar 35, stop screw 351 spiro union is in last screw hole 305, be equipped with two symmetrical arrangement's ejector pin 36 in the spliced eye 304, the outer wall sliding sleeve of ejector pin 36 is equipped with fixed plate 361, fixed plate 361 and mounting groove 303 inner wall fixed connection, the coaxial fixedly connected with limiting plate 362 of outer wall of ejector pin 36, be equipped with second spring 363 between limiting plate 362 and the fixed plate 361, second spring 363 covers establishes in the ejector pin 36 outside, the equal fixedly connected with sloping block 38 of one end that ejector pin 36 is close to each other, sloping block 38 corresponds with inserted bar 35, the equal fixedly connected with of the pinion rack one end that ejector pin 36 kept away from each other removes 37, remove pinion rack 37 and fixed pinion 34 correspond.

In this embodiment: after the mine car 2 on the track 1 is derailed, wheels act on the damping blocks 32, under the action of impact force, the damping blocks 32 move downwards, the first springs 33 in the sliding grooves 301 buffer the damping blocks 32, the damping blocks 32 can effectively counteract the impact force of the wheels, the wheels stop moving after being buffered by the damping blocks 32, meanwhile, the phenomenon that the mine car 2 stops instantly is avoided, the damage to personnel in the mine car caused by inertia is reduced, because the damping blocks 32 are pressed down when the wheels act on the damping blocks 32, the mine car 2 cannot form great fluctuation and bump, the safety is further improved, after the vehicle stops, the personnel use a spanner to be clamped with the stop screws 351 in the damping mechanism 3 in front of the running of the mine car 2 and rotate the stop screws 351, the stop screws 351 move downwards along the upper threaded holes 305 to drive the mandril 36 to move downwards along the inserting holes 304, the ejector rod 36 pushes the two inclined blocks 38 towards two sides, the ejector rod 36 slides along the fixing plate 361, so that the movable toothed plate 37 is meshed and clamped with the fixed toothed plate 34 in the limiting groove 302, at the moment, the damping block 32 cannot descend, the mine car 2 is blocked, the mine car 2 is prevented from sliding for the second time, and the safety of personnel is improved.

In fig. 3: the length of the fixed toothed plate 34 is greater than the height of the damping block 32, and when the damping block 32 moves down to any position, the movable toothed plate 37 can be engaged and clamped with the fixed toothed plate 34.

In fig. 1 and 3: the material of install bin 31 and damping piece 32 is the stainless steel, difficult emergence corrosion, and life is higher, and the biggest effective length of first spring 33 is less than the degree of depth of sliding tray 301, and when first spring 33 extended to the biggest effective length, damping piece 32 can not break away from with sliding tray 301.

In fig. 3: two lower screw holes 306 have been seted up to the bottom surface symmetry of install bin 31, all detachable connection has reinforcing mechanism 4 in two lower screw holes 306, when install bin 31 is installed, reinforcing mechanism 4 can insert ground, increase intensity, when not using, can demolish reinforcing mechanism 4, reinforcing mechanism 4 includes contact pin 41 and the coaxial screw thread post 42 of fixing at its top surface, screw thread post 42 and lower screw hole 306 spiro union, contact pin 41 passes through screw thread post 42 and lower screw hole 306 spiro union, contact pin 41 inserts ground, increase installation intensity, horizontal arrangement's anti-skidding line is seted up to contact pin 41's outer wall, and friction is improved, further increase installation intensity.

The utility model discloses a theory of operation is: after the mine car 2 on the track 1 is derailed, wheels act on the damping blocks 32, under the action of impact force, the damping blocks 32 move downwards, the first springs 33 in the sliding grooves 301 buffer the damping blocks 32, the damping blocks 32 can effectively counteract the impact force of the wheels, the wheels stop moving after being buffered by the damping blocks 32, meanwhile, the phenomenon that the mine car 2 stops instantly is avoided, the damage to personnel in the mine car caused by inertia is reduced, because the damping blocks 32 are pressed down when the wheels act on the damping blocks 32, the mine car 2 cannot form great fluctuation and bump, the safety is further improved, after the vehicle stops, the personnel use a spanner to be clamped with the stop screws 351 in the damping mechanism 3 in front of the running of the mine car 2 and rotate the stop screws 351, the stop screws 351 move downwards along the upper threaded holes 305 to drive the mandril 36 to move downwards along the inserting holes 304, the ejector rod 36 pushes the two inclined blocks 38 towards two sides, the ejector rod 36 slides along the fixing plate 361, so that the movable toothed plate 37 is meshed and clamped with the fixed toothed plate 34 in the limiting groove 302, at the moment, the damping block 32 cannot descend, the mine car 2 is blocked, the mine car 2 is prevented from sliding for the second time, and the safety of personnel is improved.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The mine safety protection device for mining comprises a track (1) and a mine car (2) running on the track, and is characterized in that a plurality of damping mechanisms (3) which are adjacently arranged are installed on the ground on the two sides of the track (1), each damping mechanism (3) comprises an installation box (31), a damping block (32) and a first spring (33), a sliding groove (301) is formed in each installation box (31), each damping block (32) slides in each sliding groove (301), the top end of each first spring (33) is fixed to the bottom surface of each damping block (32), the bottom end of each first spring (33) is fixed to the bottom surface of the inner wall of each sliding groove (301), the top end of each damping block (32) is arc-shaped, limiting grooves (302) are formed in the two side walls of each sliding groove (301), and the inner walls of the limiting grooves (302) are fixedly connected with fixed toothed plates (34), the bottom end of the damping block (32) is provided with a mounting groove (303), the center position of the damping block (32) is provided with an inserting hole (304) communicated with the mounting groove (303), the top end of the inserting hole (304) is provided with an upper threaded hole (305), an inserting rod (35) is inserted in the inserting hole (304) in a sliding and inserting manner, the top end of the inserting rod (35) is coaxially fixed with a stop screw (351), the stop screw (351) is screwed in the upper threaded hole (305), two ejector rods (36) which are symmetrically arranged are arranged in the inserting hole (304), the outer wall of each ejector rod (36) is sleeved with a fixing plate (361) in a sliding manner, the fixing plate (361) is fixedly connected with the inner wall of the mounting groove (303), the outer wall of each ejector rod (36) is coaxially and fixedly connected with a limiting plate (362), and a second spring (363) is arranged between the limiting plate (362) and the fixing plate (361), the second spring (363) is established in the ejector pin (36) outside, the equal fixedly connected with sloping block (38) of one end that ejector pin (36) are close to each other, sloping block (38) with inserted bar (35) correspond, the equal fixedly connected with of one end that ejector pin (36) kept away from each other removes pinion rack (37), remove pinion rack (37) with fixed pinion rack (34) correspond.

2. Mine safety guard for mining according to claim 1, characterized in that the length of the fixed toothed plate (34) is greater than the height of the damping block (32).

3. Mine safety device for mining according to claim 1, characterized in that the mounting box (31) and the damping block (32) are both made of stainless steel.

4. The mine safety device for mining according to claim 1, wherein the bottom surface of the mounting box (31) is symmetrically provided with two lower threaded holes (306), and the reinforcing mechanism (4) is detachably connected in each of the two lower threaded holes (306).

5. Mine safety shield device for mining according to claim 4, characterized in that the reinforcement means (4) comprise pins (41) and a threaded stud (42) coaxially fixed on its top surface, the threaded stud (42) being in threaded engagement with the lower threaded hole (306).

6. Mine safety device for mining according to claim 5, characterized in that the outer wall of the pin (41) is provided with laterally arranged anti-slip threads.

7. Mine safety shield for mining according to claim 1, characterized in that the maximum effective length of the first spring (33) is smaller than the depth of the sliding groove (301).