Cutting pick for heading machine for coal mine

Abstract

The utility model relates to the technical field of cutting picks, in particular to a cutting pick for a heading machine for a coal mine, which comprises a wear-resistant sleeve, a connecting device is arranged in the wear-resistant sleeve, the connecting device comprises a connecting plate and a chute, a connecting hole is formed in the connecting plate, a connecting shaft is arranged in the connecting hole, and a mounting plate is arranged on one side of the connecting shaft. A transmission rod is arranged on one side of the mounting plate, a baffle is arranged on the outer side of the transmission rod, a fixing nut and a sliding plate are arranged outside the baffle, and external threads are formed in the outer side of the transmission rod. According to the cutting pick for the heading machine for the coal mine, the connecting plate, the connecting shaft and the mounting plate are matched for use, the effect of clamping a wear-resisting sleeve is achieved, the effect of mounting the connecting shaft is achieved by forming the connecting hole, the effect of fixing the baffle is achieved by matched use of the baffle, a screw hole A and a fixing screw A, and the effect of fixing the baffle is achieved by matched use of an external thread and a fixing nut. The effect of fixing the baffle is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pick technology field, concretely is a pick for coal mine heading machine. BACKGROUND

[0002] The pick is divided into a coal cutter pick and a heading machine pick, is a part on the mining heading machine, is used in mining and tunnel construction and the like, and the coal mine is the area that human beings exploit coal resources in the coal-rich mining area, is generally divided into underground coal mine and open coal mine, when the coal seam is far from the ground surface, generally selects to excavate the roadway to the underground to mine coal, this is the underground coal mine, when the coal seam is very close to the ground surface, generally selects to directly strip the ground surface soil layer to excavate coal, this is the open coal mine.

[0003] The existing pick for coal mine heading machine is inconvenient to replace in the process of use, thereby reducing the work efficiency, and cannot rotate in the process of use, so that the wear-resistant sleeve is unevenly worn, therefore, a pick for coal mine heading machine is needed to improve the above problems. UTILITY MODEL CONTENTS

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

[0005] Therefore, one purpose of the utility model is to provide a pick for coal mine heading machine to solve the problems mentioned in the background art and overcome the deficiencies in the prior art.

[0006] In order to achieve the above purpose, an embodiment of the utility model provides a pick for coal mine heading machine, which comprises a wear-resistant sleeve, a connecting device is arranged in the interior of the wear-resistant sleeve, the connecting device comprises a connecting plate and a sliding groove, a connecting hole is formed in the interior of the connecting plate, a connecting shaft is arranged in the interior of the connecting hole, an installation plate is arranged on one side of the connecting shaft, a transmission rod is arranged on one side of the installation plate, a baffle is arranged on the outer side of the transmission rod, a fixed nut and a sliding plate are arranged on the outer side of the baffle, an external thread is formed on the outer side of the transmission rod, a screw hole A is formed in the interior of the connecting shaft, and a fixed screw A is arranged in the interior of the screw hole A.

[0007] The utility model is further provided as follows: the sliding groove is formed in the interior of the wear-resistant sleeve, the connecting plate is fixedly connected to the interior of the wear-resistant sleeve, the connecting shaft is clamped in the interior of the connecting hole, and the baffle is slidingly connected to the outer side of the transmission rod.

[0008] By adopting the above technical scheme, the sliding groove is formed in the interior of the wear-resistant sleeve, which facilitates clamping the sliding plate.

[0009] The utility model is further provided as follows: the sliding plate is connected to the interior of the sliding groove, the fixed nut is matched with the external thread, and the screw hole A is matched with the fixed screw A.

[0010] By adopting the technical scheme, the screw hole A is matched with the fixing screw A, and the function of facilitating fixing of the baffle is achieved.

[0011] The utility model further sets up: the outside of transmission rod has rotating device, rotating device includes guide groove and limit groove, the inside of limit groove is provided with limit frame A, the inside of limit frame A is provided with positioning hole, the inside of positioning hole is provided with locating piece, one side of locating piece is provided with limit frame B, the outside of limit frame B is provided with fixed plate, the inside of fixed plate is provided with fixed bolt, the outside of limit frame A is provided with mounting block and limit board, the inside of mounting block is provided with screw hole B, the inside of screw hole B is provided with fixed screw B, the inside of limit board is provided with through hole.

[0012] By adopting the technical scheme, the inside of the positioning hole is provided with the locating piece, and the function of facilitating splicing of the limit frame A and the limit frame B is achieved.

[0013] The utility model further sets up: the guide groove is set up in the outside of wear -resisting cover, the limit groove is set up in the inside of transmission rod, the limit frame A and limit frame B all are clamped in the inside of limit groove, the locating piece is clamped in the inside of positioning hole.

[0014] By adopting the technical scheme, the limit frame A and the limit frame B are clamped in the inside of the limit groove, and the function of connecting the transmission rod is achieved.

[0015] The utility model further sets up: the limit frame A and limit frame B all are rotatably connected in the inside of mounting block and limit board, the mounting block and limit board are matched, the screw hole B is matched with fixed screw B, the fixed screw B is clamped in the inside of through -hole.

[0016] By adopting the technical scheme, the mounting block and the limit board are matched, and the function of facilitating rotation of the limit frame A and the limit frame B is achieved.

[0017] In summary, the beneficial technical effects of the utility model are as follows:

[0018] 1. The coal mine heading machine tooth, through the cooperation of the connecting plate, the connecting shaft and the mounting plate, the function of clamping the wear -resisting cover is achieved, through the connecting hole, the function of installing the connecting shaft is achieved, through the cooperation of the baffle, the screw hole A and the fixing screw A, the function of fixing the baffle is achieved, through the cooperation of the external thread and the fixed nut, the function of fixing the baffle is achieved, through the use of the above structure, the wear -resisting cover can be quickly replaced, and the working efficiency is improved;

[0019] 2. The coal mine heading machine pick, through the guide slot, play the role of convenient wear-resistant sleeve rotation, through the cooperation of limiting frame A, limiting frame B and limiting groove, play the role of connecting transmission rod, through the cooperation of positioning hole and positioning block, play the role of limiting, through the cooperation of fixed plate and fixed bolt, play the role of fixing limiting frame A and limiting frame B, through the cooperation of mounting block and limiting plate, play the role of convenient transmission rod rotation, through the cooperation of fixed screw B, screw hole B and through hole, play the role of connecting mounting block and limiting plate, through the use of the above structure, can make the wear-resistant sleeve rotate in the process of use, so that the wear-resistant sleeve wears more evenly.

[0020] The additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0021] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

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

[0023] Figure 2 is a structural schematic diagram of the connecting device of the present application;

[0024] Figure 3 is a structural schematic diagram of the wear-resistant sleeve of the present application;

[0025] Figure 4 is a structural schematic diagram of the mounting plate of the present application;

[0026] Figure 5 is a structural schematic diagram of the rotating device of the present application;

[0027] Figure 6 is a structural schematic diagram of the limiting frame B of the present application.

[0028] In the figure: 1, wear-resistant sleeve; 2, connecting device; 3, connecting plate; 4, sliding groove; 5, connecting hole; 6, connecting shaft; 7, mounting plate; 8, transmission rod; 9, baffle; 10, fixed nut; 11, sliding plate; 12, external thread; 13, screw hole A; 14, fixed screw A; 15, rotating device; 16, guide slot; 17, limiting groove; 18, limiting frame A; 19, positioning hole; 20, positioning block; 21, limiting frame B; 22, fixed plate; 23, fixed bolt; 24, mounting block; 25, limiting plate; 26, screw hole B; 27, fixed screw B; 28, through hole. DETAILED DESCRIPTION

[0029] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0030] Embodiment one

[0031] With reference to Figures 1 to 4 The utility model discloses a coal mine is with heading machine is with pick tooth, including wear -resisting bush 1, the inside of wear -resisting bush 1 is provided with connecting device 2, and connecting device 2 includes connecting plate 3 and sliding slot 4, and the inside of connecting plate 3 is provided with connecting hole 5, and the inside of connecting hole 5 is provided with connecting shaft 6, and one side of connecting shaft 6 is provided with mounting plate 7, and one side of mounting plate 7 is provided with transmission rod 8, and the outside of transmission rod 8 is provided with baffle 9, and the outside of baffle 9 is provided with fixed nut 10 and sliding plate 11, and the outside of transmission rod 8 is provided with external thread 12, and the inside of connecting shaft 6 is provided with screw hole A 13, and the inside of screw hole A 13 is provided with fixed screw A 14, and wear -resisting bush 1 plays the role of increasing wear resistance in this embodiment, and sliding slot 4 plays the role of limiting, and connecting plate 3 plays the role of conveniently blocking mounting plate 9.

[0032] With reference to Figure 2 And Figure 3 Sliding slot 4 is arranged in the inside of wear -resisting bush 1, connecting plate 3 is fixedly connected in the inside of wear -resisting bush 1, connecting shaft 6 is clamped in the inside of connecting hole 5, and baffle 9 is slidably connected to the outside of transmission rod 8. In this embodiment, connecting shaft 6 plays the role of clamping connecting plate 3, baffle 9 plays the role of convenient limiting, and transmission rod 8 plays the role of facilitating the rotation of wear -resisting bush 1.

[0033] With reference to Figures 1 to 4 Sliding plate 11 is connected to the inside of sliding slot 4, fixed nut 10 is matched with external thread 12, and screw hole A 13 is matched with fixed screw A 14. In this embodiment, sliding plate 11 plays the role of connecting with wear -resisting bush 1, screw hole A 13 plays the role of facilitating the installation of fixed screw A 14, and fixed screw A 14 plays the role of fixing baffle 9.

[0034] With reference to Figure 5 And Figure 6The outer side of the transmission rod 8 is provided with a rotating device 15, the rotating device 15 comprises a guide groove 16 and a limiting groove 17, the limiting groove 17 is internally provided with a limiting frame A 18, the limiting frame A 18 is internally provided with a positioning hole 19, the positioning hole 19 is internally provided with a limiting block 20, one side of the limiting block 20 is provided with a limiting frame B 21, the outer side of the limiting frame B 21 is provided with a fixed plate 22, the inner side of the fixed plate 22 is provided with a fixed bolt 23, the outer side of the limiting frame A 18 is provided with a mounting block 24 and a limiting plate 25, the inner side of the mounting block 24 is provided with a screw hole B 26, the inner side of the screw hole B 26 is provided with a fixed screw B 27, the inner side of the limiting plate 25 is provided with a through hole 28, in the embodiment, the guide groove 16 plays a role of facilitating the rotation of the wear-resistant sleeve 1, the limiting groove 17 plays a role of clamping the limiting frame A and the limiting frame B, and the limiting frame A 18 and the limiting frame B 21 both play a role of facilitating the rotation of the transmission rod 8.

[0035] With reference to Figure 5 and Figure 6 The guide groove 16 is formed on the outer side of the wear-resistant sleeve 1, the limiting groove 17 is formed in the inner side of the transmission rod 8, the limiting frame A 18 and the limiting frame B 21 are clamped in the inner side of the limiting groove 17, and the limiting block 20 is clamped in the inner side of the positioning hole 19, in the embodiment, the limiting groove 17 plays a role of facilitating the installation of the limiting frame A 18 and the limiting frame B 21, the positioning hole 19 plays a role of facilitating the installation of the limiting block 20, and the limiting block 20 plays a role of limiting.

[0036] With reference to Figure 5 and Figure 6 The limiting frame A 18 and the limiting frame B 21 are rotationally connected in the inner side of the mounting block 24 and the limiting plate 25, the mounting block 24 is matched with the limiting plate 25, the screw hole B 26 is matched with the fixed screw B 27, and the fixed screw B 27 is clamped in the inner side of the through hole 28, in the embodiment, the mounting block 24 plays a role of facilitating the connection of the equipment, and the limiting plate 25 plays a role of clamping the limiting frame A 18 and the limiting frame B 21.

[0037] The implementation principle of the embodiment is as follows:

[0038] In the use process, since the guide groove 16 is formed on the outer side of the wear-resistant sleeve 1, the wear-resistant sleeve 1 will rotate in the process of contacting the coal mine, the mounting block 24 is connected with the equipment, in the process of rotating of the wear-resistant sleeve 1, the limiting frame A 18 and the limiting frame B 21 will rotate in the inner side of the mounting block 24 and the limiting plate 25 at the same time, after the limiting frame A 18 and the limiting frame B 21 are spliced, a cylinder is formed, at the same time, after the limiting plate 25 and the mounting block 24 are spliced, a cylindrical groove is formed in the inner side, and the limiting frame A 18 and the limiting frame B 21 spliced are wrapped in the inner side, thereby facilitating the rotation of the wear-resistant sleeve 1 and the transmission rod 8;

[0039] In the process of splicing the limiting frame A18 and the limiting frame B21, the limiting frame A18 (the limiting frame B21) is clamped to the inside of the limiting groove 17, and the positioning block 20 is clamped to the inside of the positioning groove, and the fixed plate 22 is attached to each other, and is fixed by using the fixed bolt 23, so as to prevent the limiting frame A18 and the limiting frame B21 from being separated, and the installation block 24 and the limiting plate 25 are fixed, the connecting fixed screw B27 is passed through the inside of the screw hole B26, and the fixed screw B27 is completely installed in the inside of the screw hole B26 by using a tool.

[0040] When the wear-resistant sleeve 1 needs to be replaced, the fixed screw A14 is taken out from the inside of the screw hole A13 by using a tool, then the fixed nut 10 is taken off by using a tool, and then the wear-resistant sleeve 1 is pushed to move (away from one end of the transmission rod 8), in the process of pushing the wear-resistant sleeve 1 to move, the installation plate 7 slides in the inside of the wear-resistant sleeve 1, and the connecting shaft 6 gradually slides out of the inside of the connecting hole 5, after the connecting shaft 6 completely slides out of the inside of the connecting hole 5, the wear-resistant sleeve 1 is rotated until the connecting plate 3 is coincided with the groove of the installation plate 7, finally, the wear-resistant sleeve is pulled again, the connecting plate 3 slides from the outside of the installation plate 7 until the installation plate 7 and the connecting plate 3 are completely separated, and the wear-resistant sleeve is disassembled.

[0041] When the new wear-resistant sleeve 1 is installed, the installation plate 7 needs to be inserted into the inside of the wear-resistant sleeve 1, and then the wear-resistant sleeve 1 is rotated to make the connecting shaft 6 and the connecting hole 5 coaxial, then the wear-resistant sleeve 1 is pulled to insert the connecting shaft 6 into the inside of the connecting hole 5, and the baffle 9 is pushed to attach to the other side of the installation plate 7, finally, the fixed screw A14 is installed into the inside of the screw hole A13, and the fixed nut 10 is installed on one side of the baffle 9 under the action of the external thread 12, and the wear-resistant sleeve 1 is installed.

[0042] Compared with the prior art, the utility model has the following beneficial effects:

[0043] Through the cooperation of connecting plate 3, connecting shaft 6 and mounting plate 7, the wear-resistant sleeve 1 is clamped, the connecting hole 5 is opened to install the connecting shaft 6, the cooperation of the baffle 9, the screw hole A13 and the fixing screw A14 is used to fix the baffle 9, the cooperation of the outer thread 12 and the fixing nut 10 is used to fix the baffle 9, through the use of the above structure, the wear-resistant sleeve 1 can be quickly replaced, thereby improving the work efficiency, the guide groove 16 is opened to facilitate the rotation of the wear-resistant sleeve 1, the cooperation of the limiting frame A18, the limiting frame B21 and the limiting groove 17 is used to connect the transmission rod 8, the cooperation of the positioning hole 19 and the positioning block 20 is used to limit, the cooperation of the fixing plate 22 and the fixing bolt 23 is used to fix the limiting frame A18 and the limiting frame B21, the cooperation of the mounting block 24 and the limiting plate 25 is used to facilitate the rotation of the transmission rod 8, the cooperation of the fixing screw B27, the screw hole B26 and the through hole 28 is used to connect the mounting block 24 and the limiting plate 25, through the use of the above structure, the wear-resistant sleeve 1 can rotate in the process of use, so that the wear-resistant sleeve 1 wears more evenly.

[0044] The embodiments of the specific embodiment are the preferred embodiments of the utility model, not limited to the protection scope of the utility model, so: all equivalent changes made according to the structure, shape, principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A pick for a coal mine roadheader, characterised in that: The utility model provides a wear -resistant sleeve (1), the inside of wear -resistant sleeve (1) is provided with connecting device (2), connecting device (2) includes connecting plate (3) with sliding groove (4), the inside of connecting plate (3) is provided with connecting hole (5), the inside of connecting hole (5) is provided with connecting shaft (6), one side of connecting shaft (6) is provided with mounting plate (7), one side of mounting plate (7) is provided with transmission rod (8), the outside of transmission rod (8) is provided with baffle (9), the outside of baffle (9) is provided with fixed nut (10) with sliding plate (11), the outside of transmission rod (8) is provided with external thread (12), the inside of connecting shaft (6) is provided with screw hole A (13), the inside of screw hole A (13) is provided with fixed screw A (14).

2. A pick for a coal mine roadheader according to claim 1, characterised in that: The sliding groove (4) is opened in the inside of the wear -resistant sleeve (1), the connecting plate (3) is fixedly connected to the inside of the wear -resistant sleeve (1), the connecting shaft (6) is clamped in the inside of the connecting hole (5), and the baffle (9) is slidably connected to the outside of the transmission rod (8).

3. The pick for a coal mine roadheader according to claim 1, characterized in that: The sliding plate (11) is connected to the inside of the sliding groove (4), the fixed nut (10) is matched with the external thread (12), and the screw hole A (13) is matched with the fixed screw A (14).

4. The pick for a coal mine roadheader according to claim 1, characterized in that: The outside of the transmission rod (8) has rotating device (15), the rotating device (15) includes guide groove (16) and limiting groove (17), the inside of the limiting groove (17) is provided with limiting frame A (18), the inside of the limiting frame A (18) is provided with positioning hole (19), the inside of the positioning hole (19) is provided with positioning block (20), one side of the positioning block (20) is provided with limiting frame B (21), the outside of the limiting frame B (21) is provided with fixed plate (22), the inside of the fixed plate (22) is provided with fixed bolt (23), the outside of the limiting frame A (18) is provided with mounting block (24) and limiting plate (25), the inside of the mounting block (24) is provided with screw hole B (26), the inside of the screw hole B (26) is provided with fixed screw B (27), and the inside of the limiting plate (25) is provided with through hole (28).

5. A pick for a coal mine roadheader according to claim 4, characterised in that: The guide groove (16) is opened on the outside of the wear -resistant sleeve (1), the limiting groove (17) is opened in the inside of the transmission rod (8), the limiting frame A (18) and the limiting frame B (21) are clamped in the inside of the limiting groove (17), and the positioning block (20) is clamped in the inside of the positioning hole (19).

6. A pick for a coal mine roadheader according to claim 4, characterised in that: The limiting frame A (18) and the limiting frame B (21) are rotatably connected to the inside of the mounting block (24) and the limiting plate (25), the mounting block (24) is matched with the limiting plate (25), the screw hole B (26) is matched with the fixed screw B (27), and the fixed screw B (27) is clamped in the inside of the through hole (28).

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