CN213807663U - Shovel plate of coal mine development machine - Google Patents

Abstract

The utility model belongs to the technical field of the industrial machine technique and specifically relates to a colliery entry driving machine shovel board, the equal fixed connection of fixed plate is in the shovel board main part, all install a pivot in the rotation on every fixed plate, pivot top fixed mounting has the gear, fixed mounting has the disc on the pivot axis body of gear below, the fixed digging arm that is equipped with on the disc, fixed surface installs the scraper blade under the digging arm, gear one side is provided with the rack, the fixed first connecting plate that is equipped with on the inboard end of rack, fixed mounting has the riser on the fixed plate, it is provided with the inboard terminal equal fixed connection of a plurality of guide arm on the riser, the terminal equal fixed connection in the guide arm outside is on the second connecting plate, it is equipped with a spring all to overlap on the guide arm body, the second connecting plate outside is provided with the cam, cam fixed connection is on the output shaft of motor. The utility model discloses the utilization cleans the mechanism and can gather together the garrulous rock of shovel board both sides, has realized the clearance to wider garrulous rock.

Description

Shovel plate of coal mine development machine

Technical Field

The utility model relates to the technical field of industrial machinery, especially, relate to a coal mine entry driving machine shovel board.

Background

The development machine is a machine for cutting a tunnel on a flat ground, and mainly comprises a walking mechanism, a working mechanism, a loading and transporting mechanism and a transfer mechanism. As the travelling mechanism advances forward, the cutting head in the working mechanism continuously crushes the rock and transports the crushed rock away. The tunnel forming machine has the advantages of safety, high efficiency, good tunnel forming quality and the like, but has high manufacturing cost, complex structure and large loss. Install the shovel board in front of the colliery entry driving machine for the detritus after will breaking is shoveled and is carried away, and current shovel board generally sets up two and changes leaf mechanism in the main part for accelerate the cleaning efficiency of detritus, but the detritus of its shovel board both sides is generally difficult to be shoveled by the shovel board, leads to the detritus to pile up in entry driving machine both sides, blocks up the tunnel, hinders the entry driving machine to advance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the detritus of both sides of the shovel plate is difficult to be shoveled by the shovel plate in the prior art, and providing a shovel plate of a coal mine development machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a shovel plate of a coal mine heading machine is designed, and comprises a shovel plate main body, wherein a feed inlet is formed in the shovel plate main body, two rotating blade mechanisms are respectively installed on two sides of the feed inlet, a cleaning mechanism is respectively installed on two sides of the front portion of the shovel plate main body, the cleaning mechanism comprises a fixed plate and a motor, the fixed plate is fixedly connected to the shovel plate main body, each fixed plate can be rotatably provided with a rotating shaft, the top end of each rotating shaft is fixedly provided with a gear which is coaxial with the rotating shaft, a disc is fixedly installed on a rotating shaft body below the gear, a movable arm is fixedly arranged on the disc, a scraper blade is fixedly installed on the lower surface of the movable arm, one side of the gear is provided with a rack which is meshed with the gear, a first connecting plate is fixedly arranged at the tail end of the inner side of the rack, a vertical plate which is correspondingly arranged with the first connecting plate is fixedly installed on the fixed plate, run through on the riser and be provided with the guide arm that a plurality of is parallel to each other, every the guide arm all is on a parallel with the rack setting, the equal fixed connection of the inboard end of guide arm is on first connecting plate, the equal fixed connection of the guide arm outside end is on the second connecting plate, all the cover is equipped with a spring on the guide arm body of rod between second connecting plate and the riser, the second connecting plate outside is provided with the cam that contacts with it, cam fixed connection is on the output shaft of motor, motor fixed mounting is on the fixed plate.

Preferably, still fixed mounting has protection machanism on the fixed plate, protection machanism includes guard plate, fixed column, screw thread post, on the fixed plate of digging arm both sides respectively fixed mounting have a fixed column, two be provided with the guard plate between the fixed column top, every fixed column top fixedly connected with one with it coaxial screw thread post that sets up, the screw thread post all upwards extends until running through the guard plate, screw thread post diameter is less than the fixed column diameter, all install a stop nut on the screw thread post of guard plate top.

Preferably, a rubber sleeve is sleeved on the rotating shaft body between the disc and the fixing plate.

Preferably, the movable arm and the scraper are made of high-strength steel.

The utility model provides a pair of colliery entry driving machine shovel board, beneficial effect lies in: through the arrangement of the cleaning mechanisms on the two sides of the shovel plate, in the tunneling process of the coal mine tunneling machine, the motor drives the cam to rotate, the cam is matched with the spring to reciprocally push the second connecting plate, the second connecting plate drives the first connecting plate to do linear reciprocating motion through the guide rod, the first connecting plate drives the rack fixedly connected with the first connecting plate to do linear reciprocating motion, the rack drives the gear meshed with the rack to periodically rotate forwards and backwards, the gear drives the rotating shaft to periodically rotate forwards and backwards, the rotating shaft drives the disc to periodically rotate forwards and backwards, the disc drives the movable arm fixedly connected with the disc to swing leftwards and rightwards, and in the synchronous motion process of the movable arms in the two cleaning mechanisms, the broken rocks on the two sides of the shovel plate main body are gathered to the front of the shovel plate main body by the scraper plate main body and then are shoveled by the rotating blade mechanism and swept into the feeding hole, so that the cleaning of the broken rocks on the two sides of the shovel plate is realized, and the tunneling machine can move more smoothly, the tunneling efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of a shovel plate of a coal mine heading machine provided by the utility model;

fig. 2 is a first structural schematic diagram of a cleaning mechanism of a shovel plate of a coal mine heading machine provided by the utility model;

fig. 3 is the utility model provides a cleaning mechanism schematic diagram two of colliery entry driving machine shovel board.

In the figure: the scraper plate comprises a scraper plate main body 1, a feeding hole 2, a rotating blade mechanism 3, a fixing plate 4, a rotating shaft 5, a disc 6, a movable arm 7, a scraper 8, a gear 9, a rack 10, a first connecting plate 11, a guide rod 12, a vertical plate 13, a second connecting plate 14, a spring 15, a cam 16, a motor 17, a protection plate 18, a fixing column 19 and a threaded column 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1-3, a shovel plate of a coal mine heading machine comprises a shovel plate main body 1, a feed inlet 2 is arranged on the shovel plate main body 1, a rotating blade mechanism 3 is respectively arranged on two sides of the feed inlet 2, a cleaning mechanism is respectively arranged on two sides of the front part of the shovel plate main body 1, the cleaning mechanism comprises a fixed plate 4 and a motor 17, the fixed plates 4 are fixedly connected on the shovel plate main body 1, each fixed plate 4 can be rotatably provided with a rotating shaft 5, the top end of the rotating shaft 5 is fixedly provided with a gear 9 coaxially arranged with the rotating shaft, a disc 6 is fixedly arranged on the rotating shaft 5 shaft body below the gear 9, a movable arm 7 is fixedly arranged on the disc 6, a scraping plate 8 is fixedly arranged on the lower surface of the movable arm 7, one side of the gear 9 is provided with a rack 10 meshed with the gear 9, a first connecting plate 11 is fixedly arranged on the tail end of the inner side of the rack 10, a vertical plate 13 corresponding to the first connecting plate 11 is fixedly arranged on the fixed plate 4, run through on riser 13 and be provided with a plurality of guide arms 12 that are parallel to each other, every guide arm 12 all is on a parallel with the setting of rack 10, the equal fixed connection of the inboard end of guide arm 12 is on first connecting plate 11, the equal fixed connection in the outside of guide arm 12 is on second connecting plate 14, all the cover is equipped with a spring 15 on the guide arm 12 body of rod between second connecting plate 14 and riser 13, the 14 outsides of second connecting plate is provided with the cam 16 that contacts with it, cam 16 fixed connection is on motor 17's output shaft, motor 17 fixed mounting is on fixed plate 4. The motor 17 is a servo motor and is powered by a power supply on the heading machine.

A rubber sleeve is sleeved on the shaft body of the rotating shaft 5 between the disc 6 and the fixed plate 4. The rubber sleeve can fill the gap between the disc 6 and the fixed plate 4, thereby avoiding the situation that broken rocks enter the gap to cause serious abrasion. The movable arm 7 and the scraper 8 are made of high-strength steel. In the process of the movement of the movable arm 7 and the scraper 8, the impact force of broken rocks can be borne, and the movable arm 7 and the scraper 8 can be prevented from deforming because the movable arm and the scraper are made of high-strength steel.

When the utility model is used, the shovel plate is arranged on the coal mine development machine, during the development process of the coal mine development machine, the motor 17 drives the cam 16 to rotate, the cam 16 is matched with the spring 15 to push the second connecting plate 14 in a reciprocating manner, the second connecting plate 14 drives the first connecting plate 11 to do linear reciprocating movement through the guide rod 12, the first connecting plate 11 drives the rack 10 fixedly connected with the first connecting plate to do linear reciprocating movement, the rack 10 drives the gear 9 meshed with the rack to periodically rotate in the positive and negative directions, the gear 9 drives the rotating shaft 5 to periodically rotate in the positive and negative directions, the rotating shaft 5 drives the disc 6 to periodically rotate in the positive and negative directions, the disc 6 drives the movable arm 7 fixedly connected with the disc 6 to swing left and right, and in the process of synchronous movement of the movable arms 7 in the two cleaning mechanisms, the broken rocks on the two sides of the shovel plate main body 1 are gathered to the front of the shovel plate main body 1 by the scraper 8, then are shoveled by the shovel plate main body 1, and are swept into the feeding hole 2 by the rotating blade mechanism 3.

Example 2

Referring to fig. 1-3, as another preferred embodiment of the present invention, the difference with embodiment 1 lies in, it has protection mechanism still to fix mounting on fixed plate 4, protection mechanism includes protection plate 18, fixed column 19, screw post 20, fixed column 19 of difference fixed mounting on the fixed plate 4 of digging arm 7 both sides, be provided with protection plate 18 between two fixed column 19 tops, screw post 20 of coaxial setting with it of 19 top fixedly connected with of every fixed column, screw post 20 all upwards extends until running through protection plate 18, screw post 20 diameter is less than fixed column 19 diameter, all install a stop nut on the screw post 20 of protection plate 18 top.

In the advancing process of the heading machine, broken rock splashing impact can be generated to clean the mechanism, so that the protection plate 18 is arranged, the protection plate 18 is used for replacing the cleaning mechanism to bear broken rock impact, and the cleaning mechanism can work normally.

The above, 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 (4)

1. A shovel plate of a coal mine heading machine comprises a shovel plate main body (1), wherein a feed inlet (2) is formed in the shovel plate main body (1), a rotating blade mechanism (3) is respectively installed on two sides of the feed inlet (2), the shovel plate is characterized in that a cleaning mechanism is respectively installed on two sides of the front portion of the shovel plate main body (1), the cleaning mechanism comprises a fixed plate (4) and a motor (17), the fixed plate (4) is fixedly connected to the shovel plate main body (1), each fixed plate (4) is rotatably provided with a rotating shaft (5), the top end of the rotating shaft (5) is fixedly provided with a gear (9) which is coaxially arranged with the rotating shaft, a disc (6) is fixedly installed on the shaft body of the rotating shaft (5) below the gear (9), a movable arm (7) is fixedly arranged on the disc (6), and a scraper (8) is fixedly installed on the lower surface of the movable arm (7), gear (9) one side is provided with rack (10) with it meshing, the fixed first connecting plate (11) that is equipped with on the rack (10) inboard end, fixed mounting is gone up fixed mounting and is corresponded riser (13) that set up with first connecting plate (11) on fixed plate (4), run through on riser (13) and be provided with a plurality of guide arms (12) that are parallel to each other, every guide arm (12) all are on a parallel with rack (10) and set up, the inboard end of guide arm (12) all fixed connection is on first connecting plate (11), the outside end of guide arm (12) all fixed connection is on second connecting plate (14), all overlap on the guide arm (12) body of rod between second connecting plate (14) and riser (13) and be equipped with one spring (15), the second connecting plate (14) outside is provided with cam (16) that contact with it, cam (16) fixed connection is on the output shaft of motor (17), the motor (17) is fixedly arranged on the fixing plate (4).

2. The shovel plate of the coal mine heading machine according to claim 1, wherein a protection mechanism is further fixedly mounted on the fixing plate (4) and comprises a protection plate (18), fixing columns (19) and threaded columns (20), the fixing columns (19) are respectively and fixedly mounted on the fixing plate (4) on two sides of the movable arm (7), the protection plate (18) is arranged above the two fixing columns (19), the top end of each fixing column (19) is fixedly connected with a threaded column (20) which is coaxially arranged with the fixing column, the threaded columns (20) extend upwards until penetrating through the protection plate (18), the diameter of each threaded column (20) is smaller than that of each fixing column (19), and a limit nut is mounted on each threaded column (20) above the protection plate (18).

3. The shovel plate of the coal mine heading machine according to claim 1, wherein a rubber sleeve is sleeved on a shaft body of the rotating shaft (5) between the disc (6) and the fixing plate (4).

4. A coal mine entry driving machine blade according to claim 1, characterized in that the movable arm (7) and the scraper (8) are made of high-strength steel.

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