Polishing device for maintenance of heading machine

Abstract

The utility model belongs to the technical field of heading machine maintenance and polishing, and discloses a polishing device for heading machine maintenance, which comprises a main body, a handle is fixedly arranged on the outer side of the main body, a first motor is fixedly arranged in the main body, and a circular sleeve is fixedly arranged at the tail end of a main shaft of the first motor. Connecting shafts are fixedly arranged on the two sides of the circular sleeve, back pushing sleeves are slidably arranged on the outer sides of the connecting shafts, grinding pieces are fixedly arranged on the inner sides of the back pushing sleeves, bearings are fixedly arranged on the top face of the main body, rotating sleeves are rotatably arranged on the outer sides of the bearings, and the grinding pieces slide in the rotating sleeves; the device can grind the salient points on the cutting head, so that the cutting head is maintained and protected, subsequent storage is facilitated, meanwhile, the sharpness of the salient points is improved, rock crushing and excavating work of the heading machine is promoted, the working efficiency is improved, and the device can adapt to the salient points of different sizes.

Description

Technical Field

[0001] The utility model belongs to the technical field of roadheader maintenance and grinding, and specifically relates to a grinding device for roadheader maintenance. Background Technique

[0002] The roadheader is an advanced tunnel excavation and support equipment. Its working principle is that as the traveling mechanism advances forward, the cutting head in the working mechanism continuously breaks rocks and transports the broken rocks away. The popularization and application of the roadheader have greatly reduced the labor intensity of workers and the roadway excavation and support efficiency. In the future, the roadheader combined with bolter will further develop in the direction of automation and intelligence. At the same time, during the long-term use of the cutting head of the roadheader, the cutting head and the bumps on the cutting head will become dull, resulting in difficulties in the work of cutting rocks and delaying the project progress. Therefore, it is necessary to grind the bumps on the cutting head to ensure its sharpness.

[0003] At the same time, the patent specification with the publication number of CN 207771518 U discloses a roadheader head grinder for a small roadheader, including a grinder main body and a pipeline. The pipeline is fixedly connected to the side of the grinder main body. A motor is fixedly installed in the middle of the cavity of the grinder main body. One end of the output shaft of the motor is fixedly connected to a rotating shaft. One end of the rotating shaft extends to the outside of the pipeline through the cavity of the pipeline. One end of the rotating shaft is fixedly connected to a grinding disc. A dust collection device is fixedly connected to the inner wall of the pipeline. The dust collection device includes an air chamber, a first dust collection cylinder and a second dust collection cylinder. The air chamber is fixedly connected to the outside of the pipeline near one end of it. A dust inlet piece is rotatably connected to the outer surface of the rotating shaft near one end of it.

[0004] However, in the implementation of the related technology, it is found that the above-mentioned roadheader head grinder for a small roadheader has the following problems: Although the device can grind the roadheader head during tunneling, it is indeed impossible to grind the bumps on the cutting head, and those bumps precisely play the role of breaking and excavating rocks. If the bumps on the cutting head are too dull, it will lead to difficulties in the breaking and excavating work, thus affecting the project progress.

[0005] Therefore, in view of the above problems, a grinding device for roadheader maintenance is proposed. Content of the Utility Model

[0006] To solve the problems raised in the above background technique, the utility model provides a grinding device for roadheader maintenance, which has the advantages of being able to grind the bumps on the cutting head, and can also grind bumps of different sizes, thereby repairing and protecting the cutting head, facilitating subsequent storage, promoting the efficiency of the rock breaking and excavating work of the roadheader, and reducing the working time.

[0007] To achieve the above object, the present utility model provides the following technical solutions: A grinding device for roadheader maintenance, including a main body, a handle is fixedly arranged on the outer side of the main body, a first motor is fixedly arranged inside the main body, a circular sleeve is fixedly arranged at the end of the main shaft of the first motor, connecting shafts are fixedly arranged on both sides of the circular sleeve, a back-pushing sleeve is slidably arranged on the outer side of the connecting shaft, a grinding piece is fixedly arranged on the inner side of the back-pushing sleeve, a bearing is fixedly arranged on the top surface of the main body, a rotating sleeve is rotatably arranged on the outer side of the bearing, and the grinding piece slides inside the rotating sleeve.

[0008] Preferably, a small shaft is fixedly arranged on the top surface of the grinding piece, and the small shaft penetrates through the rotating sleeve.

[0009] Preferably, a fixed sleeve is fixedly arranged on the bottom surface of the main body, and a second motor is fixedly arranged inside the fixed sleeve.

[0010] Preferably, a gear disk is fixedly arranged at the end of the main shaft of the second motor, and a small gear is meshed and connected to the outer side of the gear disk.

[0011] Preferably, a lead screw is slidably arranged inside the small gear, and a fixing plate is slidably arranged on the outer side of the lead screw.

[0012] Preferably, a push plate is slidably arranged on the outer part of the end of the lead screw, and the push plate is in contact with the back-pushing sleeve.

[0013] Preferably, a spring is sleeved on the outer side of the circular sleeve, and the spring is fixedly connected to the back-pushing sleeve.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] The present utility model drives the circular sleeve to rotate through the first motor. At the same time, the long shaft on the outer side of the circular sleeve drives the back-pushing sleeve to rotate. While rotating, the back-pushing sleeve drives the grinding piece to rotate. While rotating, the grinding piece grinds the convex points on the cutting head. When encountering convex points of different sizes, the lead screw can drive the push plate, thereby pushing the back-pushing sleeve for size adjustment. This device can grind the convex points on the cutting head, thereby completing the maintenance and protection of the cutting head, facilitating subsequent storage, improving the sharpness of the convex points, promoting the rock breaking and excavation work of the roadheader, improving the work efficiency, and being adaptable to convex points of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of a grinding device for roadheader maintenance proposed by the present utility model;

[0017] Figure 2 It is a schematic diagram of the installation structure of the gear disk proposed by the present utility model;

[0018] Figure 3 Schematic cross-sectional structure diagram of a grinding device for roadheader maintenance proposed by the present utility model;

[0019] Figure 4 Schematic installation structure diagram of the fixed sleeve proposed by the present utility model.

[0020] In the figure: 1, main body; 2, handle; 3, rotating sleeve; 4, grinding disc; 5, bearing; 6, back-pushing sleeve; 7, rotating sleeve; 8, spring; 9, first motor; 10, push plate; 11, lead screw; 12, fixing plate; 13, small gear; 14, gear disc; 15, second motor; 16, fixed sleeve. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

[0022] As Figures 1 to 4 shown, the present utility model provides a grinding device for roadheader maintenance, including a main body 1. A handle 2 is fixedly arranged on the outer side of the main body 1. A first motor 9 is fixedly arranged inside the main body 1. A circular sleeve 7 is fixedly arranged at the end of the main shaft of the first motor 9. Connecting shafts are fixedly arranged on both sides of the circular sleeve 7. A back-pushing sleeve 6 is slidably arranged on the outer side of the connecting shaft. A grinding disc 4 is fixedly arranged on the inner side of the back-pushing sleeve 6. A bearing 5 is fixedly arranged on the top surface of the main body 1. A rotating sleeve 3 is rotatably arranged on the outer side of the bearing 5. And the grinding disc 4 slides inside the rotating sleeve 3. The first motor 9 drives the circular sleeve 7 to rotate. At the same time, the long shaft on the outer side of the circular sleeve 7 drives the back-pushing sleeve 6 to rotate. The back-pushing sleeve 6 drives the grinding disc 4 to rotate while rotating. The grinding disc 4 grinds the convex points on the cutting head while rotating, so as to complete the maintenance and protection of the cutting head, facilitate subsequent storage, improve the sharpness of the convex points at the same time, promote the rock breaking and excavation work of the roadheader, and improve the work efficiency.

[0023] Specifically, a small shaft is fixedly arranged on the top surface of the grinding disc 4, and the small shaft penetrates through the rotating sleeve 3. The grinding disc 4 drives the rotating sleeve 3 while rotating. The rotating sleeve 3 is also used to fix the top of the grinding disc 4 to increase its stability.

[0024] Furthermore, a fixed sleeve 16 is fixedly arranged on the bottom surface of the main body 1. A second motor 15 is fixedly arranged inside the fixed sleeve 16. The fixed sleeve 16 is used to fix the second motor 15 to keep it stable during rotation.

[0025] Furthermore, a gear disk 14 is fixedly arranged at the end of the main shaft of the second motor 15. The outer side of the gear disk 14 is meshed with a pinion 13. When the second motor 15 drives the gear disk 14 to rotate, the pinion 13 is driven to rotate at the same time. The second motor 15 is the power source.

[0026] It should be noted that a lead screw 11 is slidably arranged inside the pinion 13, and a fixing plate 12 is slidably arranged outside the lead screw 11. The fixing plate 12 is fixedly connected to the main body 1. The fixing plate 12 is used to limit the lead screw 11 to prevent it from shifting during rotation.

[0027] It should be noted that a push plate 10 is slidably arranged outside the end of the lead screw 11, and the push plate 10 is in contact with the back push sleeve 6. When the second motor 15 rotates, the lead screw 11 and the push plate 10 are driven to move. When the push plate 10 moves, it pushes the back push sleeve 6, thereby reducing the distance between the grinding discs 4, so as to adapt to the bumps on the cutting heads of different sizes.

[0028] It is worth introducing that a spring 8 is sleeved outside the circular sleeve 7, and the spring 8 is fixedly connected to the back push sleeve 6. When the distance between the grinding discs 4 is to be enlarged, the second motor 15 starts to reverse, and at the same time the spring 8 pushes the grinding discs 4 to move backward, thus completing the adjustment.

[0029] Among them, the first motor 9 and the second motor 15 are prior arts and will not be elaborated here; at the same time, the present utility model also includes a power supply, a controller, a switch, etc., which are not the main technical points of this patent and will not be elaborated here; the "front, rear, left, and right" perspectives of this device are based on Figure 1 the direction shown in the drawing.

[0030] Working principle and process:

[0031] Before using a grinding device for roadheader maintenance, first, turn on the first motor 9 inside the main body 1 to start working. The first motor 9 drives the circular sleeve 7 to start rotating. When the circular sleeve 7 rotates, it drives the back-pushing sleeve 6 to start rotating. While the back-pushing sleeve 6 is moving, it drives the grinding disc 4 to start moving. The grinding disc 4 drives the rotating sleeve 3 to start moving. At the same time, the bearing 5 is used to increase the smoothness during rotation and reduce friction. The rotating sleeve 3 is also used to fix the top of the grinding disc 4 to increase its stability. When encountering cutting head bumps of different sizes, turn on the switch of the second motor 15. The second motor 15 drives the gear disc 14 to rotate. The gear disc 14 drives the small gear 13 to rotate. At the same time, the small gear 13 drives the lead screw 11, and the lead screw 11 drives the push plate 10 to move. While the push plate 10 is moving, it pushes the back-pushing sleeve 6 to narrow the distance between the grinding discs 4. When it is necessary to expand the distance, the second motor 15 rotates in reverse. At the same time, the spring 8 pushes the grinding disc 4 to move backward to complete the adjustment. The fixing sleeve 16 is used to fix the second motor 15, and the fixing plate 12 is used to limit the lead screw 11 to prevent it from shifting during rotation. When grinding, the operator needs to hold the handle 2 with both hands to stabilize the device. This device can grind the bumps on the cutting head to complete the maintenance and protection of the cutting head, which is also convenient for subsequent storage. At the same time, it improves the sharpness of the bumps, promotes the rock breaking and excavation work of the roadheader, improves the work efficiency, and can also adapt to bumps of different sizes.

[0032] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0033] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A grinding device for maintenance of a roadheader, comprising a main body (1), characterized in that: A handle (2) is fixedly provided on the outer side of the main body (1), a first motor (9) is fixedly provided inside the main body (1), a circular sleeve (7) is fixedly provided at the end of the main shaft of the first motor (9), connecting shafts are fixedly provided on both sides of the circular sleeve (7), a back thrust sleeve (6) is slidably provided on the outer side of the connecting shaft, a grinding sheet (4) is fixedly provided on the inner side of the back thrust sleeve (6), a bearing (5) is fixedly provided on the top surface of the main body (1), a rotating sleeve (3) is rotatably provided on the outer side of the bearing (5), and the grinding sheet (4) slides inside the rotating sleeve (3).

2. A grinding device for maintenance of a roadheader according to claim 1, characterized in that: A small shaft is fixedly arranged on the top surface of the grinding sheet (4), and the small shaft passes through the rotating sleeve (3).

3. A grinding device for maintenance of a roadheader according to claim 1, characterized in that: A fixing sleeve (16) is fixedly arranged on the bottom surface of the main body (1), and a second motor (15) is fixedly arranged inside the fixing sleeve (16).

4. A grinding device for maintenance of a roadheader according to claim 3, characterized in that: A gear plate (14) is fixedly arranged at the end of the main shaft of the second motor (15); the outer teeth of the gear plate (14) are connected to the pinion (13); the second motor (15) drives the gear plate (14) to rotate and drives the pinion (13) to rotate at the same time; the second motor (15) is a power source.

5. A grinding device for maintenance of a roadheader according to claim 4, characterized in that: A screw rod (11) is slidably disposed inside the pinion gear (13), and a fixing plate (12) is slidably disposed outside the screw rod (11).

6. A grinding device for maintenance of a roadheader according to claim 5, characterized in that: A push plate (10) is slidably provided on the outside of the end of the screw rod (11), and the push plate (10) is fitted with the back push sleeve (6).

7. A grinding device for maintenance of a roadheader according to claim 1, characterized in that: The outer side of the circular sleeve (7) is provided with a spring (8), and the spring (8) is fixedly connected to the back-thrust sleeve (6).

Images