CN219282289U - Braking device of coal mining machine - Google Patents

Abstract

The utility model discloses a coal mining machine braking device, which comprises a base, wherein connecting columns are fixedly connected to two sides of the top of the base, a fixing sleeve is fixedly connected to the outer surface of each connecting column, a connecting plate is fixedly connected between the outer surfaces of the two fixing sleeves, hydraulic telescopic rods are fixedly connected to two sides of the bottom of each connecting plate, and lifting plates are fixedly connected to the telescopic ends of the two hydraulic telescopic rods. This coal-winning machine arresting gear extends through controlling two hydraulic telescoping rods, drives the lifter plate and reciprocates to make two coupling mechanism drive two slip posts downwardly moving respectively, make two slip posts drive two braking boards and follow the protrusion in the second recess, make a plurality of braking sloping blocks on the second recess prick into underground, thereby can be fine carry out spacingly to the base, can effectually brake the coal-winning machine, great improvement the stability of coal-winning machine.

Description

Braking device of coal mining machine

Technical Field

The utility model relates to the technical field of coal mining machines, in particular to a coal mining machine braking device.

Background

With the development of coal industry nowadays, the functions of the coal mining machine are more and more, the structure and the composition of the coal mining machine are more and more complex, so that the reasons for faults are also complex, the mining requirements of the large-dip-angle coal seam are gradually increased in recent years, and the requirements on the stability of the coal mining machine body in the large-dip-angle coal seam mining process are higher.

However, most of the existing coal mining machines are not provided with a special walking brake frame for mining the large-dip-angle coal seam, and in the actual coal mining process, a driver can only take corresponding supporting measures for the coal mining machine body according to the site condition, so that in the actual use process, the problems of poor stability and low safety of the machine body exist.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a braking device of a coal mining machine, which solves the problems of poor stability and low safety of a machine body.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a coal mining machine braking device, includes the base, the equal fixedly connected with spliced pole in both sides at base top, the fixed cover of surface fixedly connected with of spliced pole, two fixedly connected with connecting plate between the surface of fixed cover, the equal fixedly connected with hydraulic telescoping rod in both sides of connecting plate bottom, two hydraulic telescoping rod's telescopic link fixedly connected with lifter plate, lifter plate's bottom is provided with two coupling mechanism, coupling mechanism's below is provided with the slip post, first recess has all been seted up to the both sides at base top, the second recess has been seted up to the bottom of first recess inner chamber, the bottom of slip post runs through first recess and extends to the inside of second recess, the bottom of slip post is provided with brake mechanism.

Preferably, the connecting mechanism comprises two sliding grooves, a sliding plate and a rotating rod, wherein the sliding grooves are formed in the bottom of the lifting plate, the sliding grooves are internally connected with the top of the sliding plate in a sliding mode through sliding blocks, two opposite sides of the sliding plate are respectively connected with one end of the rotating rod in a rotating mode through rotating pieces, and the bottoms of the rotating rods are connected with the top of the sliding column in a rotating mode through rotating pieces.

Preferably, the braking mechanism comprises a braking plate and a plurality of braking inclined blocks, the bottom of the sliding column is fixedly connected with the top of the braking plate, and the bottom of the braking plate is fixedly connected with the top of the braking inclined blocks.

Preferably, two fixing plates are fixedly connected to two sides of the bottom of the lifting plate, a telescopic sleeve is fixedly connected to one side of the fixing plate, a sliding rod is fixedly connected to one side of the rotating rod, and the inner surface of the telescopic sleeve is in sliding connection with the outer surface of the sliding rod.

Preferably, a spring is sleeved between the outer surface of the telescopic sleeve and the outer surface of the sliding rod.

Preferably, both sides at lifter plate top all fixedly connected with gag lever post, the top of gag lever post runs through the connecting plate and extends to the top of connecting plate.

Advantageous effects

The utility model provides a brake device of a coal mining machine. Compared with the prior art, the method has the following beneficial effects:

according to the utility model, the two hydraulic telescopic rods are controlled to extend to drive the lifting plate to move downwards, so that the two connecting mechanisms respectively drive the two sliding columns to move downwards, the two sliding columns drive the two braking plates to protrude from the second groove, and the plurality of braking inclined blocks on the second groove are pricked into the ground, so that the base can be well limited, the coal mining machine can be effectively braked, and the stability of the coal mining machine is greatly improved.

Drawings

FIG. 1 is a schematic view of the external structure of the present utility model;

FIG. 2 is a schematic view showing the internal structures of the base, the first groove and the second groove according to the present utility model;

fig. 3 is an enlarged view of a portion of fig. 1 a in accordance with the present utility model.

In the figure: 1. a base; 2. a connecting column; 3. a fixed sleeve; 4. a connecting plate; 5. a hydraulic telescopic rod; 6. a lifting plate; 7. a connecting mechanism; 8. a sliding column; 9. a first groove; 10. a second groove; 11. a braking mechanism; 12. a fixing plate; 13. a telescopic sleeve; 14. a slide bar; 15. a spring; 16. a limit rod; 71. a chute; 72. a sliding plate; 73. a rotating lever; 111. a brake plate; 112. and a brake shoe.

Description of the embodiments

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a coal-winning machine arresting gear, including base 1, the equal fixedly connected with spliced pole 2 in both sides at base 1 top, as the detailed description, base 1 is the slip bottom plate at coal-winning machine bottom, the fixed cover 3 of surface fixedly connected with of spliced pole 2, fixedly connected with connecting plate 4 between the surface of two fixed covers 3, the equal fixedly connected with hydraulic telescoping rod 5 in both sides at connecting plate 4 bottom, hydraulic telescoping rod 5 and external power electric connection, control through control switch, the flexible end fixedly connected with lifter plate 6 of two hydraulic telescoping rods 5, the bottom of lifter plate 6 is provided with two coupling mechanism 7, coupling mechanism 7's below is provided with slip post 8, first recess 9 has all been seted up to the both sides at base 1 top, second recess 10 has been seted up to the bottom of first recess 9 inner chamber, the bottom of slip post 8 runs through first recess 9 and extends to the inside of second recess 10, the bottom of slip post 8 is provided with brake mechanism 11, the both sides at lifter plate 6 top all fixedly connected with gag lever post 16, the top of gag lever post 16 runs through connecting plate 4 and extends to the top of connecting plate 4, the gag lever post 16 looks is opened with the gag lever post 16 at the both sides at connecting plate 4 top.

Further, in order to conveniently reduce the impact force of braking, two fixing plates 12 are fixedly connected to two sides of the bottom of the lifting plate 6, a telescopic sleeve 13 is fixedly connected to one side of the fixing plate 12, a sliding rod 14 is fixedly connected to one side of the rotating rod 73, the inner surface of the telescopic sleeve 13 is slidably connected with the outer surface of the sliding rod 14, and a spring 15 is sleeved between the outer surface of the telescopic sleeve 13 and the outer surface of the sliding rod 14.

Further, the connection mechanism 7 includes two sliding grooves 71, a sliding plate 72 and a rotating rod 73, the sliding groove 71 is arranged at the bottom of the lifting plate 6, the inside of the sliding groove 71 is in sliding connection with the top of the sliding plate 72 through a sliding block, one sides of the two sliding plates 72 are opposite to each other and are respectively connected with one end of the rotating rod 73 through a rotating piece, and the bottom ends of the two rotating rods 73 are respectively connected with the top of the sliding column 8 through the rotating piece.

Further, in order to increase the braking effect, the braking mechanism 11 includes a braking plate 111 and a plurality of braking inclined blocks 112, the bottom of the sliding column 8 is fixedly connected with the top of the braking plate 111, and the bottom of the braking plate 111 is fixedly connected with the top of the braking inclined blocks 112.

When the hydraulic telescopic rod is used, when the coal mining machine is required to be braked, the two hydraulic telescopic rods 5 are controlled to extend, so that the two hydraulic telescopic rods 5 drive the lifting plate 6 to move downwards, the lifting plate 6 drives the two sliding columns 8 to move downwards through the connecting mechanism 7, the two sliding columns 8 respectively drive the two braking plates 111 to move downwards, the braking plates 111 protrude from the second grooves 10, a plurality of braking inclined blocks 112 on the two braking plates 111 can be inserted into the ground, the base 1 is braked, and the base 1 is prevented from sliding rightwards;

when the coal mining machine continues to move leftwards for coal mining, the plurality of braking inclined blocks 112 on the braking plate 111 are extruded by the ground, so that the sliding column 8 moves upwards, the telescopic sleeve 13 and the sliding rod 14 shrink and slide under the action of the spring 15, so that the two rotating rods 73 move towards two sides respectively, the lifting plate 6 moves upwards and slides, the base 1 on the coal mining machine can slide leftwards, and the braking impact force is reduced under the action of the spring 15.

Claims (6)

1. A coal mining machine braking device comprising a base (1), characterized in that: the utility model discloses a high-speed hydraulic lifting device for the automobile, including base (1), fixed cover (3) are all fixedly connected with spliced pole (2) in both sides at base (1) top, the surface fixedly connected with of spliced pole (2) is fixed cover (3), two fixedly connected with connecting plate (4) between the surface of fixed cover (3), the equal fixedly connected with hydraulic telescoping rod (5) in both sides of connecting plate (4) bottom, two the telescopic end fixedly connected with lifter plate (6) of hydraulic telescoping rod (5), the bottom of lifter plate (6) is provided with two coupling mechanism (7), the below of coupling mechanism (7) is provided with slip post (8), first recess (9) have all been seted up to the both sides at base (1) top, second recess (10) have been seted up to the bottom of first recess (9) inner chamber, the bottom of slip post (8) runs through inside first recess (9) and extends to second recess (10), the bottom of slip post (8) is provided with brake mechanism (11).

2. A coal mining braking apparatus as claimed in claim 1, wherein: coupling mechanism (7) are including two spouts (71), sliding plate (72) and dwang (73), the bottom in lifter plate (6) is seted up in spout (71), the inside of spout (71) is through the top sliding connection of slider and sliding plate (72), two the opposite one side of sliding plate (72) is all rotated through the one end of rotating piece and dwang (73) and is connected, two the bottom of dwang (73) is rotated through the top of rotating piece and sliding column (8).

3. A coal mining braking apparatus as claimed in claim 1, wherein: the braking mechanism (11) comprises a braking plate (111) and a plurality of braking inclined blocks (112), the bottom of the sliding column (8) is fixedly connected with the top of the braking plate (111), and the bottom of the braking plate (111) is fixedly connected with the top of the braking inclined blocks (112).

4. A coal mining braking apparatus as claimed in claim 2, wherein: two sides of the bottom of the lifting plate (6) are fixedly connected with two fixing plates (12), one side of each fixing plate (12) is fixedly connected with a telescopic sleeve (13), one side of each rotating rod (73) is fixedly connected with a sliding rod (14), and the inner surface of each telescopic sleeve (13) is in sliding connection with the outer surface of each sliding rod (14).

5. A coal mining braking apparatus as claimed in claim 4, wherein: a spring (15) is sleeved between the outer surface of the telescopic sleeve (13) and the outer surface of the sliding rod (14).

6. A coal mining braking apparatus as claimed in claim 1, wherein: both sides at lifter plate (6) top are all fixedly connected with gag lever post (16), the top of gag lever post (16) runs through connecting plate (4) and extends to the top of connecting plate (4).

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