Mining low-resistance sparkless wear-resistant cutting pick

Abstract

The utility model relates to the technical field of coal mine mining machinery, in particular to a mining low-resistance sparkless wear-resistant cutting pick which comprises a connecting rod, a fixing device is arranged in the connecting rod and comprises a limiting hole, a limiting piece is arranged in the limiting hole, a limiting plate is arranged at one end of the limiting piece, and a supporting rod is arranged on one side of the limiting piece. An alloy head is arranged at one end of the supporting rod, a connector is arranged on the outer side of the alloy head, a mounting hole and a limiting groove are formed in the connector, a limiting shaft is arranged at the other end of the supporting rod, and a groove is formed in the outer side of the connecting rod. According to the mining low-resistance sparkless wear-resistant cutting pick, the effect of quickly installing a connector is achieved through matched use of a limiting piece, a limiting plate and a limiting groove, the effect of clamping an alloy head is achieved through matched use of an installing hole, a supporting rod and a limiting shaft, and the effect of fixing the limiting piece is achieved through matched use of a limiting hole and the supporting rod; by means of the structure, the alloy head can be clamped into the connector, and then the effect that the alloy head is convenient to replace is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine mining machinery technical field, concretely is a mine low resistance no spark wear -resisting pick tooth. BACKGROUND

[0002] The mine pick tooth is mainly used for the coal mining machine to mine the coal seam, and is used for the heading machine to mine the rock, is the common cutter in industry, plays the vital role in the industrial production, and the pick tooth includes flat pick tooth, conical pick tooth, radial pick tooth, tangential pick tooth etc., and the pick tooth includes the heading tooth for the heading machine, the pick tooth for the coal mining machine, the cutter pick tooth, the rotary digging tooth for the rotary drilling machine, the milling tooth for the milling machine and the bucket tooth of the excavator.

[0003] The current existing mine low resistance no spark wear -resisting pick tooth mostly adopts the welding mode to connect the alloy head part, does not facilitate replacement, and only relies on the wear -resisting coating, and thus the connecting head cannot be effectively protected, therefore, the mine low resistance no spark wear -resisting pick tooth is needed to improve the above -mentioned problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses at least one of the technical defects.

[0005] Therefore, one purpose of the utility model is to provide a mine low resistance no spark wear -resisting pick tooth to solve the problems mentioned in the background art and overcome the deficiencies in the prior art.

[0006] In order to realize the above-mentioned purpose, the embodiment of the utility model provides a mine low resistance no spark wear -resisting pick tooth, which comprises a connecting rod, a fixing device is arranged in the connecting rod, the fixing device comprises a limiting hole, a limiting piece is arranged in the limiting hole, a limiting plate is arranged at one end of the limiting piece, a supporting rod is arranged on one side of the limiting piece, an alloy head is arranged at one end of the supporting rod, a connecting head is arranged on the outer side of the alloy head, an installation hole and a limiting groove are formed in the connecting head, a limiting shaft is arranged at the other end of the supporting rod, and a groove is formed on the outer side of the connecting rod.

[0007] The utility model is further provided as follows: the limiting piece is movably connected to the inside of the through hole, the limiting plate is clamped in the inside of the limiting groove, the alloy head is clamped in the inside of the installation hole, and the limiting hole is formed in the inside of the connecting rod.

[0008] By adopting the above technical scheme, the alloy head is clamped in the inside of the installation hole, which facilitates replacement.

[0009] The utility model is further provided as follows: the supporting rod is clamped in the inside of the limiting piece, and the limiting shaft is fixedly connected with the supporting rod.

[0010] By adopting the technical scheme, the supporting rod is clamped in the inside of the limiting sheet, thereby preventing the limiting sheet from loosening.

[0011] The utility model further sets up: the outside of connecting head is provided with wear -resisting device, wear -resisting device includes mounting panel and through -hole, the outside of mounting panel is provided with ball groove, the inside of ball groove is provided with wear -resisting ball, the outside of wear -resisting ball is provided with baffle, the inside of baffle is provided with ball hole, the bottom of baffle is provided with fixed link, the inside of fixed link is provided with fixed groove, the outside of fixed groove is provided with fixed ring, the inside of fixed ring is provided with fixed bolt.

[0012] The inside of the baffle is provided with a ball hole, which prevents the wear-resistant ball from falling off.

[0013] The utility model further sets up: the outside of mounting panel is clamped in connecting head, the inside of connecting head is provided with through -hole, wear -resisting ball is rotatably connected in the inside of ball groove and ball hole respectively.

[0014] The inside of the connecting head is provided with a through hole, which facilitates the installation of the fixed rod.

[0015] The utility model further sets up: the outside of baffle is clamped in wear -resisting ball, baffle and fixed link fixedly connected, the inside of through -hole is clamped in fixed link, the outside of fixed groove is clamped in fixed ring.

[0016] The outside of the fixed ring is clamped in the fixed groove, which functions as a fixed baffle.

[0017] In summary, the utility model has the beneficial technical effects of:

[0018] 1. The mine low-resistance sparkless wear-resistant cutting tooth is quickly connected with the connecting head through the cooperation of the limiting sheet, the limiting plate and the limiting groove, and the alloy head is clamped in the inside of the connecting head through the cooperation of the mounting hole, the supporting rod and the limiting shaft, thereby facilitating the replacement of the alloy head.

[0019] 2. The mine low-resistance sparkless wear-resistant cutting tooth is rotatably provided with the wear-resistant ball through the cooperation of the mounting plate, the ball groove and the ball hole, and the wear-resistant ball is prevented from falling off through the cooperation of the baffle and the ball hole, and the fixed rod is conveniently passed through through the through hole, and the baffle is fixed through the cooperation of the fixed rod, the fixed groove and the fixed ring, and the connecting head is better protected by replacing the wear-resistant coating with the wear-resistant ball.

[0020] The additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter in the description of the application. BRIEF DESCRIPTION OF DRAWINGS

[0021] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description of the embodiments, given by way of example, and with reference to the following drawings.

[0022] Figure 1 is a structural schematic view of the present application;

[0023] Figure 2 is a structural schematic view of the fixing device of the present application;

[0024] Figure 3 is a structural schematic view of the connecting rod of the present application;

[0025] Figure 4 is a structural schematic view of the connecting head of the present application;

[0026] Figure 5 is a structural schematic view of the wear-resistant device of the present application.

[0027] In the figure: 1, connecting rod; 2, fixing device; 3, limiting hole; 4, limiting sheet; 5, limiting plate; 6, support rod; 7, alloy head; 8, connecting head; 9, mounting hole; 10, limiting groove; 11, limiting shaft; 12, recess; 13, wear-resistant device; 14, mounting plate; 15, through hole; 16, ball groove; 17, wear-resistant ball; 18, baffle; 19, ball hole; 20, fixing rod; 21, fixing groove; 22, fixing ring; 23, fixing bolt. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] Embodiment one

[0030] Reference Figures 1 to 4The utility model discloses a kind of mining low-resistance sparkless wear-resisting tooth, including connecting rod 1, connecting rod 1 inside is provided with fixed device 2, fixed device 2 includes limiting hole 3, limiting hole 3 inside is provided with limiting piece 4, one end of limiting piece 4 is provided with limiting plate 5, one side of limiting piece 4 is provided with support rod 6, one end of support rod 6 is provided with alloy head 7, the outside of alloy head 7 is provided with connector 8, connector 8 inside is provided with mounting hole 9 and limiting slot 10, the other end of support rod 6 is provided with limiting shaft 11, recess 12 is set up on the outside of connecting rod 1, limiting hole 3 plays the role of facilitating installation limiting piece 4 in the embodiment, limiting plate 5 plays the role of fixed connector 8, alloy head 7 plays the role of facilitating mining.

[0031] Refer to Figure 2 Limiting piece 4 is movably connected inside the through hole 15, the limiting plate 5 is clamped inside the limiting slot 10, the alloy head 7 is clamped inside the mounting hole 9, the limiting hole 3 is set in the inside of the connecting rod 1, and the limiting piece 4 plays the role of moving the limiting plate 5 in the embodiment, the limiting slot 10 plays the role of clamping the limiting plate 5.

[0032] Refer to Figure 2 Support rod 6 is clamped inside the limiting piece 4, and the limiting shaft 11 is fixedly connected with the support rod 6, and the support rod 6 plays the role of supporting the limiting piece 4 in the embodiment, and the limiting shaft 11 plays the role of contacting the equipment.

[0033] Refer to Figure 4 With Figure 5 The outside of the connector 8 is provided with wear-resistant device 13, and the wear-resistant device 13 includes mounting plate 14 and through hole 15; the outside of the mounting plate 14 is provided with ball groove 16; the inside of the ball groove 16 is provided with wear-resistant ball 17; the outside of the wear-resistant ball 17 is provided with baffle 18; the inside of the baffle 18 is provided with ball hole 19; the bottom of the baffle 18 is provided with fixed rod 20; the inside of the fixed rod 20 is provided with fixed slot 21; the outside of the fixed slot 21 is provided with fixed ring 22; the inside of the fixed ring 22 is provided with fixed bolt 23; the through hole 15 plays the role of facilitating the fixed rod 20 to pass through in the embodiment, the ball groove 16 plays the role of facilitating the wear-resistant ball 17 to rotate, and the ball hole 19 plays the role of preventing the wear-resistant ball 17 from falling off.

[0034] Refer to Figure 5 The mounting plate 14 is clamped on the outside of the connector 8, the through hole 15 is set in the inside of the connector 8, and the wear-resistant ball 17 is rotatably connected in the inside of the ball groove 16 and the ball hole 19 respectively; the wear-resistant ball 17 plays the role of increasing wear resistance in the embodiment.

[0035] Refer to Figure 5The baffle plate 18 is clamped on the outer side of the wear-resistant ball 17, the baffle plate 18 is fixedly connected with the fixed rod 20, the fixed rod 20 is clamped in the through hole 15, and the fixed ring 22 is clamped on the outer side of the fixed groove 21.

[0036] The implementation principle of the embodiment is as follows:

[0037] When the alloy head 7 needs to be replaced after being used for a period of time, the connecting rod 1 is partially taken out from the equipment, then the supporting rod 6 is pulled out from the inside of the limiting piece 4 by using a tool, after the supporting rod 6 is pulled out from the inside of the limiting piece 4, the limiting piece 4 is in a loosened state (the limiting piece 4 is fixedly connected with the limiting plate 5, and the number of the limiting piece 4 and the limiting plate 5 is four, and the limiting piece 4 and the limiting plate 5 can be spliced to form a hollow cylinder), the limiting piece 4 is sequentially pulled out from the inside of the limiting hole 3, after the limiting piece 4 is pulled out, the connecting head 8 is separated from the connecting rod 1, the alloy head 7 is placed horizontally on the ground with the head part upward, the alloy head 7 is knocked downward by using a hammer, so that the alloy head 7 is separated from the inside of the mounting hole 9, then a new alloy head 7 is replaced in the inside of the mounting hole 9, the connecting head 8 is aligned with the connecting rod 1, the limiting piece 4 is spliced in the inside of the limiting hole 3, after the limiting piece 4 is spliced, the limiting plate 5 forms a disc and is clamped in the inside of the limiting groove 10, then the supporting rod 6 is inserted into the inside of the limiting piece 4, so that the limiting piece 4 is prevented from being loosened, finally, the connecting rod 1 is clamped in the inside of the equipment, the supporting rod 6 is limited by using the arranged connecting surface, and thus the replacement of the alloy head 7 is completed.

[0038] During the working process of the equipment, the wear-resistant ball 17 is first abraded, after the wear-resistant ball 17 is seriously abraded, the fixed bolt 23 in the inside of the pipeline ring is taken out, the fixed ring 22 is divided into two parts, then the baffle plate 18 is pulled to one side, the baffle plate 18 drives the fixed rod 20 to move, the fixed rod 20 is pulled out from the inside of the through hole 15, after the baffle plate 18 is taken out from the outside of the connecting head 8, the wear-resistant ball 17 falls off, then a new wear-resistant ball 17 is placed in the inside of the baffle plate 18, the wear-resistant ball 17 is clamped in the inside of the ball hole 19, and in the connecting process with the mounting plate 14, one side of the wear-resistant ball 17 is clamped in the inside of the ball groove 16, so that the wear-resistant ball 17 can rotate, at this time, the fixed rod 20 has passed through the through hole 15, then the fixed ring 22 is clamped on the outer side of the fixed groove 21, and the fixed bolt 23 is used for fixing.

[0039] Compared with the prior art, the utility model has the following beneficial effects relative to the prior art:

[0040] Through the cooperation of the limiting sheet 4, the limiting plate 5 and the limiting groove 10, the function of quickly installing the connector 8 is achieved, through the cooperation of the installation hole 9, the supporting rod 6 and the limiting shaft 11, the function of clamping the alloy head 7 is achieved, through the cooperation of the limiting hole 3 and the supporting rod 6, the function of fixing the limiting sheet 4 is achieved, through the use of the above structure, the alloy head 7 can be clamped into the inside of the connector 8, and the function of conveniently replacing the alloy head 7 is achieved, through the cooperation of the installation plate 14, the ball groove 16 and the ball hole 19, the function of conveniently rotating the wear-resistant ball 17 is achieved, through the cooperation of the baffle 18 and the ball hole 19, the function of preventing the wear-resistant ball 17 from falling off is achieved, through the opening of the through hole 15, the function of conveniently passing the fixing rod 20 is achieved, through the cooperation of the fixing rod 20, the fixing groove 21 and the fixing ring 22, the function of fixing the baffle 18 is achieved, through the use of the above structure, the wear-resistant coating can replace the wear-resistant ball 17, and the connector 8 can be better protected.

[0041] The embodiments of the specific implementation are the preferred embodiments of the utility model, and are not limited to the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A low resistance, spark-resistant, wear-resistant pick for mining, characterized in that: The application relates to a connecting rod (1) provided with a fixing device (2) inside, wherein the fixing device (2) comprises a limiting hole (3) provided with a limiting sheet (4) inside, one end of the limiting sheet (4) is provided with a limiting plate (5), one side of the limiting sheet (4) is provided with a supporting rod (6), one end of the supporting rod (6) is provided with an alloy head (7), the outer side of the alloy head (7) is provided with a connecting head (8), the connecting head (8) is internally provided with a mounting hole (9) and a limiting groove (10), and the other end of the supporting rod (6) is provided with a limiting shaft (11), and the outer side of the connecting rod (1) is provided with a groove (12).

2. The low-resistance spark-proof wear-resisting pick for mining according to claim 1, characterized in that: The limiting sheet (4) is movably connected to the inside of the through hole (15), the limiting plate (5) is clamped to the inside of the limiting groove (10), the alloy head (7) is clamped to the inside of the mounting hole (9), and the limiting hole (3) is arranged in the connecting rod (1).

3. The low resistance spark proof wear resistant pick for mining as claimed in claim 1 wherein: The supporting rod (6) is clamped to the inside of the limiting sheet (4), and the limiting shaft (11) is fixedly connected with the supporting rod (6).

4. The low resistance spark proof wear resistant pick for mining as claimed in claim 1 wherein: The outer side of the connecting head (8) is provided with wear-resistant devices (13), the wear-resistant devices (13) comprise mounting plates (14) and through holes (15), the outer side of the mounting plate (14) is provided with ball grooves (16), the ball grooves (16) are provided with wear-resistant balls (17) inside, the wear-resistant balls (17) are provided with baffles (18) outside, the baffles (18) are provided with ball holes (19) inside, the bottom of the baffle (18) is provided with a fixing rod (20), the inside of the fixing rod (20) is provided with a fixing groove (21), the outer side of the fixing groove (21) is provided with a fixing ring (22), and the inside of the fixing ring (22) is provided with a fixing bolt (23).

5. A low resistance spark proof wear resistant pick for a mine according to claim 4, characterized in that: The mounting plate (14) is clamped to the outer side of the connecting head (8), the through hole (15) is arranged in the connecting head (8), and the wear-resistant balls (17) are rotatably connected to the inside of the ball grooves (16) and the ball holes (19) respectively.

6. A low resistance spark proof wear resistant pick for a mine according to claim 4, characterized in that: The baffle (18) is clamped to the outer side of the wear-resistant ball (17), the baffle (18) is fixedly connected with the fixing rod (20), the fixing rod (20) is clamped to the inside of the through hole (15), and the fixing ring (22) is clamped to the outer side of the fixing groove (21).

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