Coal mining device capable of improving high efficiency of roller

Abstract

The utility model discloses a coal mining device for improving high efficiency of a roller, which comprises a roller body, a bearing seat, a through hole and a fixing bolt, a shaft of the roller body extends into the through hole, the roller body and the bearing seat are fixed through the fixing bolt, a transverse plate is arranged on the bearing seat, a sleeve groove sleeved on the fixing bolt is arranged on the transverse plate, and the fixing bolt is sleeved on the sleeve groove. And a limiting piece for limiting the position of the transverse plate is arranged on the bearing seat. According to the utility model, the sleeve groove on the transverse plate is sleeved on the fixing bolt, so that the effect of shielding and protecting the fixing bolt can be achieved, the fixing bolt is prevented from being directly exposed in the environment, the rainwater can be prevented from corroding the fixing bolt, and the non-professional personnel can be prevented from rotating the fixing bolt to influence the connection stability of the cylinder body and the bearing seat.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mines, in particular to a device for improving the high efficiency of roller coal mining. Background Art

[0002] The electric drum used in coal mining machine factories can improve the efficiency of traditional coal mine transportation.

[0003] Bolts are required when connecting the shaft of the electric roller to the bearing seat, but the bolts are directly exposed to the environment and lack a protective mechanism. Therefore, when the bolts are corroded by rain or twisted by humans, the connection stability between the shaft of the electric roller and the bearing seat will be affected. Therefore, it is necessary to improve the traditional electric roller, so as to increase the protection mechanism of the bolts used to connect the shaft of the electric roller to the bearing seat. Utility Model Content

[0004] The purpose of the utility model is to solve the above problems and to provide a device for improving the high efficiency of drum coal mining.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A device for improving the high-efficiency coal mining of a drum comprises a drum body, a bearing seat, a through hole and fixing bolts, wherein the shaft of the drum body extends into the through hole, and the drum body and the bearing seat are fixed by fixing bolts, a transverse plate is provided on the bearing seat, and a sleeve groove which is sleeved on the fixing bolt is opened on the transverse plate, and a limit piece for limiting the position of the transverse plate is provided on the bearing seat.

[0007] Preferably, the limiting member includes a vertical hole opened on the bearing seat, and a round rod passes through the vertical hole, a screw hole is opened on the horizontal plate, and a top rod is fixed on the round rod and is threadedly connected to the screw hole, a fixing rod is fixed on the bearing seat, and the fixing rod is threadedly connected to the screw groove opened on the round sleeve, a clamping groove is opened on the round rod, and the clamping groove is engaged with a clamping block fixed on the round sleeve.

[0008] Preferably, a plurality of the clamping grooves are distributed at equal angles around the outer wall of the round rod.

[0009] Preferably, a non-slip washer is provided at a portion where the inner wall of the vertical hole is slidably connected to the round rod, so as to increase the sliding damping between the round rod and the vertical hole.

[0010] Preferably, a convex block is protruded from the bottom of the transverse plate, and a groove matching the convex block is formed on the bearing seat.

[0011] Preferably, when the protrusion extends into the groove, the screw hole is aligned with the ejector rod.

[0012] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0013] 1. The present application can shield and protect the fixing bolts by putting the sleeve groove on the horizontal plate on the fixing bolts, thereby preventing the fixing bolts from being directly exposed to the environment. It can not only prevent the fixing bolts from being corroded by rainwater, but also prevent non-professionals from rotating the fixing bolts, thereby affecting the connection stability between the cylinder and the bearing seat.

[0014] 2. In the present application, after the top rod on the round rod is connected to the screw hole through threads, with the cooperation of the clamping block, the clamping block is inserted into the clamping groove. At this time, the round rod cannot rotate even if it is subjected to external force, that is, the round rod can stably maintain its position, so that the cross plate can function stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The overall structure schematic diagram of the electric drum provided according to the embodiment of the utility model is shown;

[0016] Figure 2 A schematic diagram of the structure of one side of the electric drum provided according to an embodiment of the utility model is shown;

[0017] Figure 3 A partial structural schematic diagram of a bearing seat provided according to an embodiment of the utility model is shown;

[0018] Figure 4 A schematic diagram of the structure of one side of a bearing seat provided according to an embodiment of the utility model is shown;

[0019] Legend:

[0020] 1. Cylinder; 2. Bearing seat; 3. Through hole; 4. Fixing bolt; 5. Horizontal plate; 6. Sleeve groove; 7. Bump; 8. Groove; 9. Screw hole; 10. Vertical hole; 11. Round rod; 12. Push rod; 13. Slot; 14. Fixing rod; 15. Round sleeve; 16. Screw groove; 17. Block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1:

[0023] The utility model provides a technical solution, please refer to Figure 1-4 :

[0024] A device for improving the high efficiency of drum coal mining includes a drum body 1, a bearing seat 2, a through hole 3 and a fixing bolt 4. The shaft of the drum body 1 extends into the through hole 3, and the drum body 1 and the bearing seat 2 are fixed by the fixing bolt 4. It is a direct reference to the prior art and is not described here. A horizontal plate 5 is provided on the bearing seat 2, and a sleeve groove 6 is provided on the horizontal plate 5 to be sleeved on the fixing bolt 4. A limiter for limiting the position of the horizontal plate 5 is provided on the bearing seat 2. The sleeve groove 6 is sleeved on the fixing bolt 4, which can play a shielding and protective effect on the fixing bolt 4, so that the fixing bolt 4 cannot be easily twisted and rotated.

[0025] Embodiment 2:

[0026] The technical solution is basically the same as that of the first embodiment, except that Figure 3 As shown, the limiting member includes a vertical hole 10 provided on the bearing seat 2, and a round rod 11 is passed through the vertical hole 10, a screw hole 9 is provided on the horizontal plate 5, and a top rod 12 connected to the screw hole 9 by thread is fixed on the round rod 11, a fixing rod 14 is fixed on the bearing seat 2, and the fixing rod 14 is connected to the screw groove 16 provided on the round sleeve 15 by thread, and a clamping groove 13 is provided on the round rod 11, and the clamping groove 13 is clamped with a clamping block 17 fixed on the round sleeve 15. There are a plurality of clamping grooves 13 distributed at equal angles on the outer wall of the round rod 11, and the clamping block 17 at the end of the round sleeve 15 can be extended into the clamping groove 13 provided on the round rod 11 by rotating the round sleeve 15, so as to play a limiting effect on the round rod 11, that is, at this time, the position of the horizontal plate 5 is fixed, and the horizontal plate 5 stably plays a shielding and protecting effect on the fixing bolt 4.

[0027] Embodiment three:

[0028] The technical solution is basically the same as that of the first embodiment, except that Figure 3 As shown, the part where the inner wall of the vertical hole 10 and the round rod 11 are slidably connected is provided with an anti-skid washer to increase the sliding damping between the round rod 11 and the vertical hole 10. A protrusion 7 is protruded from the bottom of the horizontal plate 5, and a groove 8 matching the protrusion 7 is provided on the bearing seat 2. When the protrusion 7 extends into the groove 8, the screw hole 9 is aligned with the push rod 12. Therefore, it is convenient to connect the push rod 12 with the screw hole 9 of the horizontal plate 5 through threads.

[0029] In summary, the embodiment provides that the sleeve groove 6 of the horizontal plate 5 is sleeved on the fixing bolt 4, and the horizontal plate 5 is in contact with the bearing seat 2, and the protrusion 7 extends into the groove 8. Then the round rod 11 is passed through the vertical hole 10, and the round rod 11 is rotated so that the top rod 12 is connected to the screw hole 9 through a thread. The round sleeve 15 is rotated, so that the round sleeve 15 moves on the fixing rod 14, and the clamping block 17 at its end extends into the clamping groove 13 opened on the outer wall of the round rod 11, thereby playing a limiting effect on the round rod 11.

[0030] The above description of the embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A device for improving the high efficiency of coal mining with a drum, comprising a drum body (1), a bearing seat (2), a through hole (3) and a fixing bolt (4), characterized in that: The shaft of the cylinder (1) extends into the through hole (3), and the cylinder (1) is fixed to the bearing seat (2) by means of fixing bolts (4). A transverse plate (5) is provided on the bearing seat (2), and a sleeve groove (6) is provided on the transverse plate (5) and sleeved on the fixing bolts (4). A limiting member for limiting the position of the transverse plate (5) is provided on the bearing seat (2).

2. The device for improving drum efficient coal mining according to claim 1, characterized in that: The limiting member comprises a vertical hole (10) formed on the bearing seat (2), and a round rod (11) passes through the vertical hole (10); a screw hole (9) is formed on the horizontal plate (5), and a top rod (12) connected to the screw hole (9) by means of a thread is fixed on the round rod (11); a fixing rod (14) is fixed on the bearing seat (2), and the fixing rod (14) is connected to a screw groove (16) formed on the round sleeve (15) by means of a thread; a clamping groove (13) is formed on the round rod (11), and the clamping groove (13) is clamped with a clamping block (17) fixed on the round sleeve (15).

3. The device for improving drum coal mining efficiency according to claim 2, characterized in that: A plurality of the clamping grooves (13) are distributed at equal angles around the outer wall of the round rod (11).

4. The device for improving drum coal mining efficiency according to claim 2, characterized in that: The portion where the inner wall of the vertical hole (10) and the round rod (11) are slidably connected is provided with an anti-slip washer to increase the sliding damping between the round rod (11) and the vertical hole (10).

5. The device for improving drum coal mining efficiency according to claim 2, characterized in that: A convex block (7) protrudes from the bottom of the transverse plate (5), and a groove (8) matching the convex block (7) is formed on the bearing seat (2).

6. The device for improving drum coal mining efficiency according to claim 5, characterized in that: When the protrusion (7) extends into the groove (8), the screw hole (9) is aligned with the push rod (12).

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