CN211851839U

CN211851839U - Mine car for coal mine with rotary driving device

Info

Publication number: CN211851839U
Application number: CN201922397168.1U
Authority: CN
Inventors: 刘尧; 徐军
Original assignee: Jiangsu Disilang Environmental Technology Co ltd
Current assignee: Jiangsu Disilang Environmental Technology Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-11-03
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a mine car for colliery with gyration drive arrangement, it relates to colliery machinery technical field, it includes the mine car body, the mine car body includes the automobile body and digs the coal hand, the automobile body with dig and be provided with the bracing piece between the coal hand, be provided with revolution mechanic between bracing piece and the digging coal hand, revolution mechanic is including the worm wheel and the worm that the meshing set up, worm wheel and digging coal hand fixed connection, one side extension of bracing piece is provided with the fixed plate, the worm rotates with the fixed plate to be connected, be provided with hydraulic motor on the fixed plate, hydraulic motor's output shaft and worm are connected, set up the bearing between worm wheel and the bracing piece, the outer lane and the worm wheel fixed connection of bearing, the inner circle and. The coal digging hand is driven to rotate through the rotary structure, and the size of the dug coal can be in a more uniform state due to the fact that the coal digging hand is in a rotating state, and smaller coal particles can be obtained.

Description

Mine car for coal mine with rotary driving device

Technical Field

The utility model belongs to the technical field of the coal mine machinery technique and specifically relates to a mine car for coal mine with rotary drive device is related to.

Background

Coal is a solid combustible mineral formed gradually by ancient plants buried underground and undergoing complex biochemical and physicochemical changes. Coal is known as black gold by people and is industrial food, which is one of the main energy sources used in the human world since the eighteenth century, and since the twenty-first century, although the value of coal is not as good as before, coal is one of the indispensable energy sources for the production and life of human beings at present and in a long time in the future.

The prior technical scheme has the following defects: when coal is mined, the prior art mainly excavates coal, namely the motion track of a coal excavating hand is swinging, the volume of the excavated coal is large, and the coal needs to be refined again.

SUMMERY OF THE UTILITY MODEL

According to the deficiency that prior art exists, the utility model aims at providing a mine car for coal mine with gyration drive arrangement has and to dig the coal through digging the hand gyration of coal to can obtain the effect of less massive coal.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a mine car for coal mine with gyration drive arrangement, includes the mine car body, the mine car body includes the automobile body and digs the coal hand, the automobile body with dig and be provided with the bracing piece between the coal hand, the bracing piece with it is provided with revolution mechanic to dig between the coal hand, revolution mechanic is including the worm wheel and the worm that the meshing set up, the worm wheel with dig coal hand fixed connection, one side extension of bracing piece is provided with the fixed plate, the worm with the fixed plate rotates to be connected, be provided with hydraulic motor on the fixed plate, hydraulic motor's output shaft with the worm is connected, the worm wheel with set up the bearing between the bracing piece, the outer lane of bearing with worm wheel fixed connection, the inner circle of bearing with bracing piece fixed connection.

Through adopting above-mentioned technical scheme, drive hydraulic motor and rotate to can drive the worm and rotate, drive the worm wheel through the rotation of worm and rotate, can drive the hand of digging coal and rotate when the worm wheel rotates, thereby can excavate the coal in colliery, the hand of digging coal is when digging coal, because the hand of digging coal is in the pivoted state, consequently the size of the coal cinder of digging can be in more even state, and can obtain less coal granule.

The present invention may be further configured in a preferred embodiment as: set up the safety cover on the fixed plate, the safety cover extends to the circumference of worm wheel, the safety cover with the outer circumference fixed connection of bracing piece, the safety cover with the circumference of digging the coal hand rotates and is connected.

Through adopting above-mentioned technical scheme, the setting of safety cover can protect the transmission of worm and worm wheel, because at the colliery operation, the dust in the colliery is great, and the dust enters into the worm gear easily, influences the transmission of worm gear easily, so the safety cover can improve the driven life of worm gear.

The present invention may be further configured in a preferred embodiment as: the bracing piece includes first pole and second pole, the second pole cover is located first pole circumference, and first pole with second pole sliding connection, be provided with a plurality of cylinders on the second pole, a plurality of the cylinder equipartition in the circumference of second pole, every the tip of the telescopic link of cylinder with first pole is fixed.

Through adopting above-mentioned technical scheme, set up to the telescopic structure between first pole and the second pole, can be convenient for advance and retreat of digging coal hand, and then can be convenient for dig the coal.

The present invention may be further configured in a preferred embodiment as: a plurality of first grooves are formed in the inner wall of the second rod, a plurality of second grooves are formed in the outer wall of the first rod, the first grooves and the second grooves in corresponding positions are matched with each other, and a plurality of balls are arranged between the first grooves and the second grooves.

Through adopting above-mentioned technical scheme, because be face contact between first pole and the second pole, frictional force is great, consequently sets up first groove and second groove to place the ball in first groove and second groove, thereby can reduce the area of contact between first pole and the second pole, with the friction that reduces between first pole and the second pole.

The present invention may be further configured in a preferred embodiment as: the end part of the coal digging hand far away from the support rod is provided with a coal digging head which is arranged to be conical, and the circumference of the coal digging head is provided with a threaded reamer.

By adopting the technical scheme, the coal digging head can advance in a spiral mode during coal digging, so that the coal can enter the coal more easily, and the coal can be conveniently dug.

The present invention may be further configured in a preferred embodiment as: and one end of the coal digging head, which is far away from the coal digging hand, is provided with a plurality of digging claws.

Through adopting above-mentioned technical scheme, the setting of excavation claw can be convenient for dig going on of coal, because the area of contact of excavation claw and coal is less, consequently can reduce the resistance of excavation to the exploitation of coal that can be convenient for.

The present invention may be further configured in a preferred embodiment as: the coal digging head is provided with a mounting groove, a detecting head is arranged in the mounting groove, and a notch of the mounting groove is provided with toughened glass.

By adopting the technical scheme, when digging coal, the worker can not monitor the part digging coal, and the detection head is arranged to facilitate monitoring of the coal digging condition.

The present invention may be further configured in a preferred embodiment as: the first rod and the second rod are sleeved with a dust cover, and the dust cover is fixed at one end, far away from the second rod, of the first rod.

Through adopting above-mentioned technical scheme, the dust cover sets up, can reduce the dust and get into first pole and the many junctions of second pole.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the rotary structure, the coal digging hand can be in a rotating state, so that the size of the dug coal can be in a more uniform state, and the effect of smaller coal particles can be achieved;

2. through the arrangement of the protective cover, dust can be reduced from entering the interior of the rotary structure, so that the service life of the worm and gear transmission can be prolonged;

3. through the setting of conical coal mining head, can play the effect of the exploitation of narrow and small space coal of being convenient for.

Drawings

FIG. 1 is a schematic view of the overall construction of a mining vehicle for coal mines.

Fig. 2 is a sectional view for embodying a revolution structure.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

FIG. 4 is a schematic sectional view of a coal mining head.

Fig. 5 is a partially enlarged schematic view of a portion B in fig. 2.

Fig. 6 is a partially enlarged schematic view of a portion C in fig. 4.

In the drawings, 1, a mine car body; 11. a vehicle body; 12. digging a coal hand; 13. a support bar; 131. a first lever; 132. a second lever; 2. a revolving structure; 21. a worm gear; 22. a worm; 23. a fixing plate; 24. a hydraulic motor; 25. a bearing; 3. a protective cover; 4. a dust cover; 5. a cylinder; 6. a first groove; 61. a second groove; 62. a ball bearing; 7. digging a coal head; 71. a reamer; 72. cutting claws; 8. mounting grooves; 81. a probe head; 82. and (4) tempering the glass.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the utility model discloses a mine car for coal mine with gyration drive arrangement, including mine car body 1, mine car body 1 includes automobile body 11 and digs coal hand 12, is provided with bracing piece 13 between automobile body 11 and the hand 12 of digging coal, is provided with gyration structure 2 between bracing piece 13 and the hand 12 of digging coal. The worker sits inside the vehicle body 11 to operate the mine car body 1, drives the swing structure 2, and can rotate the coal excavating hand 12, so that coal can be excavated by the coal excavating hand 12.

Referring to fig. 3, the swing structure 2 includes a worm wheel 21 and a worm 22 engaged with each other, the worm wheel 21 is fixedly connected to the coal mining hand 12, a fixing plate 23 extends from one side of the support rod 13, the worm 22 is rotatably connected to the fixing plate 23, a hydraulic motor 24 (see fig. 4) is disposed on the fixing plate 23, and an output shaft of the hydraulic motor 24 is connected to the worm 22. The hydraulic motor 24 is driven to rotate, so that the worm 22 can be driven to rotate, the worm wheel 21 is driven to rotate through the rotation of the worm 22, and the coal digging hand 12 can be driven to rotate when the worm wheel 21 rotates, so that coal in a coal mine can be dug. During operation, the worm wheel 21 is in a rotating state, so that the bearing 25 needs to be arranged between the worm wheel 21 and the support rod 13, the outer ring of the bearing 25 is fixedly connected with the worm wheel 21, the inner ring of the bearing 25 is fixedly connected with the support rod 13, and when the outer ring of the bearing 25 rotates, the inner ring of the bearing 25 is not easily affected, and the worm wheel 21 is not easily affected on the support rod 13 when rotating. In coal mine operation, dust in a coal mine is large, the dust easily enters the worm wheel 21 and the worm 22 and easily affects transmission of the worm wheel 21 and the worm 22, therefore, the protective cover 3 is arranged on the fixing plate 23, the protective cover 3 extends to the circumference of the worm wheel 21, the protective cover 3 is fixedly connected with the outer circumference of the supporting rod 13, and the protective cover 3 is rotatably connected with the circumference of the coal mining hand 12. The outside dust can be isolated from the inside of the rotary structure 2 through the protective cover 3, so that the dust is not easy to enter the inside of the rotary structure 2, and the service life of the transmission of the worm wheel 21 and the worm 22 can be prolonged.

Referring to fig. 4 and 5, the support rod 13 includes a first rod 131 and a second rod 132, the second rod 132 is sleeved on the circumference of the first rod 131, the first rod 131 is slidably connected to the second rod 132, the second rod 132 is provided with a plurality of cylinders 5, the plurality of cylinders 5 are uniformly distributed on the circumference of the second rod 132, and the end of the telescopic rod of each cylinder 5 is fixed to the first rod 131. When coal is excavated, the cylinder 5 is driven, and the first rod 131 is pushed or contracted by the telescopic rod of the cylinder 5, so that the first rod 131 and the second rod 132 can be moved in a telescopic manner to control the advancing and retreating operations of the coal excavating hand 12. Because the first rod 131 and the second rod 132 are in surface contact, the friction force is large, in order to reduce the contact area between the first rod 131 and the second rod 132 and reduce the friction between the first rod 131 and the second rod 132, a plurality of first grooves 6 are formed in the inner wall of the second rod 132, a plurality of second grooves 61 are formed in the outer wall of the first rod 131, the first grooves 6 and the second grooves 61 in corresponding positions are matched with each other, and a plurality of balls 62 are arranged between the first grooves 6 and the second grooves 61. The provision of the first groove 6, the second groove 61, and the balls 62 can reduce the contact area between the first rod 131 and the second rod 132 to reduce friction between the first rod 131 and the second rod 132. In order to reduce the dust from entering the connection between the first rod 131 and the second rod 132, the dust cover 4 is sleeved on the first rod 131 and the second rod 132, and since the dust is mainly generated by the coal mining head 7, the dust cover 4 is fixed at a position where the first rod 131 is far away from the second rod 132, that is, a position where the opening of the dust cover 4 faces the second rod 132, so that the dust can be reduced from entering the first rod 131 and the second rod 132.

Referring to fig. 6, the coal digging hand 12 is provided with a coal digging head 7 at the end far away from the support rod 13, the coal digging head 7 is provided with a cone shape, and the coal digging head 7 can advance in a spiral form during coal digging, so that the coal can enter the inside of the coal more easily, and the coal is convenient to dig. Moreover, narrow space can be excavated, and the application range is wider. The circumference of the coal digging head 7 is provided with the thread-shaped reamer 71, and the coal digging head 7 can further dig coal due to the rotation state of the coal digging hand 12, and can ensure that the particles of the dug coal are more uniform and finer, thereby not needing secondary processing. The end of the coal digging head 7 far away from the coal digging hand 12 is provided with the plurality of digging claws 72, so that coal digging can be facilitated, and the contact area between the digging claws 72 and coal is small, so that the resistance of digging can be reduced, and coal mining can be facilitated. Because when digging coal, the staff can't monitor the part of digging coal, consequently has seted up mounting groove 8 on digging coal head 7, is provided with detecting head 81 in the mounting groove 8, can be convenient for through detecting head 81 to the control of digging the coal condition, and the mounting groove 8 notch is provided with toughened glass 82, can protect detecting head 81 through toughened glass 82.

The implementation principle of the above embodiment is as follows: the staff sits inside automobile body 11, drives hydraulic motor 24, and through hydraulic motor 24 drive worm 22 rotation, can drive worm wheel 21 through the rotation of worm 22 and rotate to can make coal mining hand 12 drive and dig coal head 7 and rotate, can mine coal. While the hydraulic motor 24 is driven to rotate, the telescopic rod of the actuating cylinder 5 advances, and the first rod 131 can be moved inside the second rod 132, and the coal mining head 7 can advance in a revolving motion.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a mine car for coal mine with gyration drive arrangement, includes mine car body (1), its characterized in that: the mine car body (1) comprises a car body (11) and a coal digging hand (12), a support rod (13) is arranged between the car body (11) and the coal digging hand (12), a rotary structure (2) is arranged between the support rod (13) and the coal digging hand (12), the rotary structure (2) comprises a worm wheel (21) and a worm (22) which are meshed with each other, the worm wheel (21) is fixedly connected with the coal digging hand (12), a fixing plate (23) is arranged on one side of the support rod (13) in an extending mode, the worm (22) is rotatably connected with the fixing plate (23), a hydraulic motor (24) is arranged on the fixing plate (23), an output shaft of the hydraulic motor (24) is connected with the worm (22), a bearing (25) is arranged between the worm wheel (21) and the support rod (13), and an outer ring of the bearing (25) is fixedly connected with the worm wheel (21), the inner ring of the bearing (25) is fixedly connected with the support rod (13).

2. A coal mine car with a rotary drive as claimed in claim 1, wherein: be provided with safety cover (3) on fixed plate (23), safety cover (3) extend to the circumference of worm wheel (21), safety cover (3) with the outer circumference fixed connection of bracing piece (13), safety cover (3) with the circumference of digging coal hand (12) is rotated and is connected.

3. A coal mine car with a rotary drive as claimed in claim 2, wherein: the supporting rod (13) comprises a first rod (131) and a second rod (132), the second rod (132) is sleeved on the circumference of the first rod (131), the first rod (131) is connected with the second rod (132) in a sliding mode, a plurality of air cylinders (5) are arranged on the second rod (132), the air cylinders (5) are evenly distributed on the circumference of the second rod (132), and the end portion of a telescopic rod of each air cylinder (5) is fixed with the first rod (131).

4. A coal mine car with a rotary drive as claimed in claim 3, wherein: a plurality of first grooves (6) are formed in the inner wall of the second rod (132), a plurality of second grooves (61) are formed in the outer wall of the first rod (131), the first grooves (6) and the second grooves (61) in corresponding positions are matched with each other, and a plurality of balls (62) are arranged between the first grooves (6) and the second grooves (61).

5. A coal mine car with a rotary drive as claimed in claim 1, wherein: the end part of the coal digging hand (12) far away from the support rod (13) is provided with a coal digging head (7), the coal digging head (7) is conical, and a threaded reamer (71) is arranged on the circumference of the coal digging head (7).

6. A coal mine car with a rotary drive as claimed in claim 5, wherein: and a plurality of cutting claws (72) are arranged at one end of the coal digging head (7) far away from the coal digging hand (12).

7. A coal mine car with a rotary drive as claimed in claim 6, wherein: the coal digging device is characterized in that a mounting groove (8) is formed in the coal digging head (7), a detecting head (81) is arranged in the mounting groove (8), and toughened glass (82) is arranged in a notch of the mounting groove (8).

8. A coal mine car with a rotary drive as claimed in claim 3, wherein: the first rod (131) and the second rod (132) are sleeved with a dust cover (4), and the dust cover (4) is fixed at one end, far away from the second rod (132), of the first rod (131).