Coal mine hydraulic jumbolter

Abstract

The utility model belongs to the technical field of coal mine hydraulic jumbolters, and particularly relates to a coal mine hydraulic jumbolter which comprises a workbench, a hydraulic cylinder fixedly installed on the top of the workbench, a sliding shell fixedly installed at the output end of the hydraulic cylinder, a motor fixedly installed in the sliding shell, and a concentric-square-shaped pipe fixedly installed on one side of the sliding shell. The output end of the motor penetrates through the sliding shell and is fixedly provided with a connecting column, the connecting column is located in the concentric-square-shaped pipe, a plurality of sprayers are fixedly installed on one side of the concentric-square-shaped pipe, a drill bit is fixedly installed at one end of the connecting column, and a water storage cavity is formed in the workbench; when the whole device is used, it is ensured that the supporting legs can be fixed to the ground, the whole device does not deviate when working, the drilling effect of the drill bit is prevented from being affected, meanwhile, the multiple sprayers can spray water, and therefore the dust falling effect on dust generated by drilling of the drill bit can be achieved, and the service life of the drill bit is prolonged. Dust is prevented from drifting in a working area, and the body health of workers is prevented from being affected.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal mine hydraulic bolt drills, and particularly relates to a coal mine hydraulic bolt drill. Background Technique

[0002] The hydraulic bolt drill mainly provides power through a hydraulic system to drive the drill bit to rotate and advance, so as to drill holes in coal and rock masses.

[0003] For example, a Chinese patent with the publication number CN206256882U discloses a coal mine hydraulic bolt drill, which includes an operating table and a turntable. Legs are provided at the lower end of the operating table, a roller groove is opened at the upper end of the operating table, rollers corresponding to the roller groove are movably installed at the lower end of the turntable through a mounting frame, a hydraulic cylinder is installed on the left side of the turntable, a mounting plate is installed at the right end of the telescopic shaft of the hydraulic cylinder, a drill is installed at the upper end of the mounting plate, and a drill bit is rotatably installed at the right end of the output shaft of the drill; for this coal mine hydraulic bolt drill, it is adjusted to a suitable angle by rotating the turntable and then positioned, with simple operation and convenient adjustment, improving work efficiency and being suitable for large-scale promotion.

[0004] The above patent has the following problems:

[0005] This patent has some disadvantages in use. The device will generate relatively large vibrations during operation, and the device is not fixed to the ground. Some ground is soil ground, which will cause the device to shift to a certain extent during vibration, affecting the effect of the drill bit drilling coal mines. Moreover, the drill bit in the device will generate a large amount of dust during the drilling operation of coal mines, which will affect the environment of the working area and the physical health of the staff. In view of this, we propose a coal mine hydraulic bolt drill. Content of the Utility Model

[0006] The purpose of the utility model is to provide a coal mine hydraulic bolt drill to solve the problems raised in the above background technique.

[0007] In view of this, the utility model provides a coal mine hydraulic bolt drill, including:

[0008] A workbench, on the top of which a hydraulic cylinder is fixedly installed, the output end of the hydraulic cylinder is fixedly installed with a sliding shell, a motor is fixedly installed inside the sliding shell, a return pipe is fixedly installed on one side of the sliding shell, the output end of the motor penetrates the sliding shell and is fixedly installed with a connecting column, the connecting column is located inside the return pipe, a plurality of spray heads are fixedly installed on one side of the return pipe, a drill bit is fixedly installed at one end of the connecting column, and a water storage cavity is opened inside the workbench;

[0009] A water supply component, which is located at the top of the workbench and is used to convey the water in the water storage cavity into the return pipe;

[0010] Four support legs, all of the four support legs are fixedly installed at the bottom of the workbench and are respectively close to the positions of the four corners. A through groove is formed on one side of each support leg. A slider is slidably installed in each support leg, and a threaded drill rod is rotatably installed at the bottom of the slider;

[0011] Four control components, the four control components are respectively located in the four sliders and are respectively used to drive the four threaded drill rods to rotate and fix the four sliders.

[0012] In this technical solution, during use, the staff places the overall device at a designated position. Subsequently, through the provided control components, the control components drive to release the fixation of the sliders. The sliders will displace downward, and the sliders will drive the threaded drill rods to displace downward, so that the threaded drill rods contact the ground. Subsequently, through the provided control components, the control components drive the threaded drill rods to rotate. Then, the threaded drill rods will displace downward under the action of rotation and enter the soil. At this time, the sliders will also displace downward. At this time, the threaded drill rod in one of the support legs will enter the soil, so that one of the support legs can be fixed to the ground. Through the above operations, the remaining threaded drill rods can enter the soil, so that the remaining support legs are fixed to the ground;

[0013] Subsequently, the hydraulic cylinder and the motor can be started. The output shaft of the motor will drive the connecting column to rotate, and the connecting column will drive the drill bit to rotate. At the same time, the output shaft of the hydraulic cylinder will extend and drive the sliding shell to slide and displace on the workbench. The sliding shell will drive the connecting column to displace, and the connecting column will drive the drill bit to displace, so that the drill bit can perform drilling operations on the coal mine. When the drill bit rotates, through the provided water supply component, the water supply component extracts the water in the water storage cavity and conveys it into the return pipe. Then, the water in the inner cavity of the return pipe will be sprayed out from several nozzles, which can play a role in dust prevention and can also cool the drill bit.

[0014] In the above technical solution, further, the water supply component includes:

[0015] A water pump, which is fixedly installed at the top of the workbench and is located on one side of the return pipe. The water inlet end of the water pump is fixedly installed with a water pipe, one end of the water pipe penetrates through the top of the workbench and extends into the water storage cavity, and the water outlet end of the water pump is fixedly installed with a connecting pipe fixed to the return pipe. The connecting pipe is communicated with the inner cavity of the return pipe.

[0016] In this technical solution, when the drill bit rotates for operation, the water pump is started. The water pump will draw water located in the water storage cavity through the water pipe. Subsequently, the water pump will transport the water in the water pipe to the connecting pipe, and the water in the connecting pipe will enter the inner cavity of the return pipe. Then, under the action of water pressure, the water in the inner cavity of the return pipe will be sprayed out from several nozzles, which can play a role in dust prevention and at the same time can cool the drill bit.

[0017] In the above technical solution, further, a sealing cover is inserted and installed at the feeding port of the water storage cavity.

[0018] In this technical solution, it is ensured that the feeding port of the water storage cavity can be sealed to prevent dust from entering the water storage cavity through the feeding port.

[0019] In the above technical solution, further, the control assembly includes:

[0020] A cavity, the cavity is opened in the slider, a worm gear is rotatably installed in the cavity, a worm is rotatably installed on one side of the worm gear in the cavity, the worm is meshed with the worm gear, one end of the worm penetrates through one side of the cavity and extends to the outside, one end of the worm passes through the through groove and is fixedly installed with a disc, and the lower end of the worm gear penetrates through the bottom of the cavity and is coaxially connected with the threaded drill rod;

[0021] A fixed block, the fixed block is fixedly installed on the support leg, a limiting groove is opened in the fixed block, a limiting block is slidably installed in the limiting groove, one end of the limiting block penetrates through one side of the limiting groove and the support leg and extends into the slider, the other end of the limiting block is fixedly installed with a pull rod, one end of the pull rod penetrates through the other side of the limiting groove and extends to the outside, and a spring is sleeved on the pull rod and located in the limiting groove.

[0022] In this technical solution, during use, the staff places the whole device at the designated position. Subsequently, the pull rod is pulled by hand to drive the displacement of the limiting block, so that one end of the limiting block is completely withdrawn from the slider. At this time, the spring will be compressed and contract. Then, under the action of gravity, the slider will drive the threaded drill rod to move downward, so that the threaded drill rod contacts the ground. Subsequently, the disc can be rotated by hand, and the disc will drive the worm to rotate. Under the action of meshing, the worm will drive the worm gear to rotate, and the worm gear will drive the threaded drill rod to rotate. Then, the threaded drill rod will move downward under the action of rotation and enter the soil. At this time, the slider will also move downward. At this time, the threaded drill rod in one of the support legs will enter the soil, so that one of the support legs can be fixed to the ground. Through the above operations, the remaining threaded drill rods can enter the soil, so that the remaining support legs are fixed to the ground.

[0023] In the above technical solution, further, the lower end of the worm gear is rotatably connected to the slider, one end of the limiting block is inserted and matched with the slider and the support leg, the pull rod is slidably connected to the limiting groove and the fixed block, and both ends of the spring are tightly welded to the other end of the limiting block and the inner wall of the limiting groove.

[0024] In this technical solution, it is ensured that the worm gear can rotate normally; it is ensured that one end of the limiting block can be inserted into the slider through the support leg; it is ensured that the pull rod can operate normally; it is ensured that the structure of the spring is stable.

[0025] In the above technical solution, further, the output shaft of the motor is rotatably connected to the sliding shell, and the sliding shell is slidably connected to the top of the workbench.

[0026] In this technical solution, it is ensured that the motor can operate normally; it is ensured that the sliding shell can slide on the top of the workbench.

[0027] In the above technical solution, further, several said spray heads are distributed at equal intervals in a ring shape, and the spray heads are communicated with the inner cavity of the return pipe. One side of the slider and inside the through groove is fixedly installed with a pull plate, and the pull plate is slidably connected to the through groove.

[0028] In this technical solution, it is ensured that the water sprayed by several spray heads can fully contact the dust, so as to play a role in dust reduction; it is ensured that the water in the return pipe can be sprayed out from several spray heads; it is ensured that the pull plate can lift the slider.

[0029] The beneficial effects of the present utility model are:

[0030] 1. For this coal mine hydraulic bolt drill, through the cooperation among the support leg, the slider, the threaded drill rod and the control component, it is ensured that the support leg can be fixed on the ground, so that the overall device will not shift during operation, avoiding affecting the drilling effect of the drill bit.

[0031] 2. For this coal mine hydraulic bolt drill, through the mutual cooperation of the return pipe, the spray heads and the water supply component, it is ensured that several spray heads can spray water, so as to play a role in dust reduction for the dust generated by the drill bit drilling, avoiding the dust from spreading in the working area and preventing it from affecting the physical health of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 is the overall structural schematic diagram of the present utility model;

[0033] Figure 2 is the regional structural schematic diagram of the support leg in the present utility model;

[0034] Figure 3 is the internal structural schematic diagram of the support leg in the present utility model;

[0035] Figure 4 For the present utility model Figure 3 is a schematic enlarged structure view of part A in the present utility model;

[0036] Figure 5 is a schematic sectional structure view of the workbench in the present utility model;

[0037] Figure 6 is a schematic internal structure view of the sliding shell in the present utility model.

[0038] The markings in the figure are indicated as:

[0039] 1. Workbench; 2. Support leg; 3. Through groove; 4. Disc; 5. Pulling plate; 6. Hydraulic cylinder; 7. Sliding shell; 8. Motor; 9. Return-shaped pipe; 10. Connecting column; 11. Drill bit; 12. Sealing cover; 13. Water pump; 14. Water pipe; 15. Connecting pipe; 16. Fixed block; 17. Pulling rod; 18. Slide block; 19. Threaded drill rod; 20. Cavity; 21. Worm gear; 22. Worm; 23. Limit groove; 24. Spring; 25. Limit block; 26. Sprinkler head; 27. Water storage cavity. Specific embodiments

[0040] Next, the technical solutions in the embodiments of the present application will be clearly described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are a part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope protected by the present application.

[0041] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, rather than intending to limit the exemplary embodiments of the present application. For the convenience of description, the dimensions of each part shown in the drawings are not drawn according to the actual proportional relationship. Technologies, methods, and devices known to those of ordinary skill in the relevant fields may not be discussed in detail, but in appropriate cases, the said technologies, methods, and devices should be regarded as a part of the authorization specification. In all the examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that: similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0042] It should be noted that the terms "first", "second", etc. in the description and claims of this application are used to distinguish similar objects, rather than to describe a specific order or sequence. It should be understood that such used data can be interchanged under appropriate circumstances, so that the embodiments of this application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are usually of the same category, and do not limit the number of objects. For example, the first object can be one or multiple. In addition, "and / or" in the description and claims means at least one of the connected objects, and the character " / ", generally represents an "or" relationship between the associated objects before and after.

[0043] It should be noted that in the description of this application, the orientation or positional relationships indicated by the orientation terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing this application and simplifying the description. Without contrary instructions, these orientation terms do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the protection scope of this application; the terms "inside, outside" refer to the inside and outside relative to the contour of each component itself.

[0044] It should be noted that in this application, 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. Without further limitation, the element defined by the statement "including one..." does not exclude the existence of additional identical elements in the process, method, article or device including that element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of this application is not limited to performing functions in the order shown or discussed. It may also include performing functions in a substantially simultaneous manner or in a reverse order according to the functions involved. For example, the described methods can be performed in an order different from that described, and various steps can be added, omitted, or combined. In addition, the features described with reference to certain examples can be combined in other examples.

[0045] Embodiment 1:

[0046] Please refer to Figure 1 - Figure 6 as shown, this embodiment provides a coal mine hydraulic bolt drill, including:

[0047] Workbench 1, a hydraulic cylinder 6 is fixedly installed on the top of the workbench 1, an output end of the hydraulic cylinder 6 is fixedly installed with a sliding housing 7, a motor 8 is fixedly installed inside the sliding housing 7, a return pipe 9 is fixedly installed on one side of the sliding housing 7, an output end of the motor 8 penetrates through the sliding housing 7 and is fixedly installed with a connecting column 10, the connecting column 10 is located inside the return pipe 9, a plurality of nozzles 26 are fixedly installed on one side of the return pipe 9, one end of the connecting column 10 is fixedly installed with a drill bit 11, and a water storage cavity 27 is opened inside the workbench 1;

[0048] A water supply assembly, the water supply assembly is located on the top of the workbench 1 and is used for conveying the water in the water storage cavity 27 into the return pipe 9;

[0049] Four support legs 2, the four support legs 2 are all fixedly installed at the bottom of the workbench 1 and are respectively near the positions of the four corners. A through groove 3 is opened on one side of the support leg 2, a slider 18 is slidably installed inside the support leg 2, and a threaded drill rod 19 is rotatably installed at the bottom of the slider 18;

[0050] Four control assemblies, the four control assemblies are respectively located inside the four sliders 18 and are respectively used for driving the four threaded drill rods 19 to rotate and fixing the four sliders 18.

[0051] Wherein, during use, the staff places the overall device at a designated position. Subsequently, through the set control assembly, the control assembly drives to release the fixation of the slider 18, the slider 18 will displace downward, the slider 18 will drive the threaded drill rod 19 to displace downward, so that the threaded drill rod 19 contacts the ground. Subsequently, through the set control assembly, the control assembly drives the threaded drill rod 19 to rotate. Then, the threaded drill rod 19 will displace downward under the action of rotation and enter the soil. At this time, the slider 18 will also displace downward. At this time, the threaded drill rod 19 in one of the support legs 2 will enter the soil, so that one of the support legs 2 can be fixed to the ground. Through the above operations, the remaining threaded drill rods 19 can enter the soil, so that the remaining support legs 2 are fixed to the ground;

[0052] Subsequently, the hydraulic cylinder 6 and the motor 8 can be started. The output shaft of the motor 8 will drive the connecting column 10 to rotate, the connecting column 10 will drive the drill bit 11 to rotate. At the same time, the output shaft of the hydraulic cylinder 6 will extend and drive the sliding housing 7 to slide and displace on the workbench 1. The sliding housing 7 will drive the connecting column 10 to displace, and the connecting column 10 will drive the drill bit 11 to displace, so that the drill bit 11 can perform drilling operations on the coal mine. When the drill bit 11 is rotating, through the set water supply assembly, the water supply assembly extracts the water in the water storage cavity 27 and conveys it into the return pipe 9. Then, the water in the inner cavity of the return pipe 9 will be sprayed out from the plurality of nozzles 26, which can play a role in dust prevention and can cool the drill bit 11 at the same time.

[0053] Embodiment 2:

[0054] This embodiment provides a coal mine hydraulic bolt drill. In addition to including the technical solutions of the above embodiments, it also has the following technical features. The water supply assembly includes:

[0055] A water pump 13, which is fixedly installed on the top of the workbench 1 and is located on one side of the return pipe 9. A water pipe 14 is fixedly installed at the water inlet end of the water pump 13. One end of the water pipe 14 penetrates through the top of the workbench 1 and extends into the water storage cavity 27. A connecting pipe 15 fixedly connected to the return pipe 9 is fixedly installed at the water outlet end of the water pump 13. The connecting pipe 15 is communicated with the inner cavity of the return pipe 9.

[0056] Among them, when the drill bit 11 rotates for operation, the water pump 13 is started. The water pump 13 will draw the water located in the water storage cavity 27 through the water pipe 14. Subsequently, the water pump 13 will transport the water in the water pipe 14 into the connecting pipe 15. The water in the connecting pipe 15 will enter the inner cavity of the return pipe 9. Subsequently, under the action of water pressure, the water in the inner cavity of the return pipe 9 will be sprayed out from a plurality of nozzles 26, which can play a role in dust prevention and can also cool the drill bit 11.

[0057] Embodiment 3:

[0058] This embodiment provides a coal mine hydraulic bolt drill. In addition to including the technical solutions of the above embodiments, it also has the following technical features. A sealing cover 12 is inserted and installed at the feeding port of the water storage cavity 27.

[0059] Among them, it is ensured that the feeding port of the water storage cavity 27 can be sealed to prevent dust from entering the water storage cavity 27 through the feeding port.

[0060] Embodiment 4:

[0061] This embodiment provides a coal mine hydraulic bolt drill. In addition to including the technical solutions of the above embodiments, it also has the following technical features. The control assembly includes:

[0062] A cavity 20, which is opened in the slider 18. A worm gear 21 is rotatably installed in the cavity 20. A worm 22 is rotatably installed on one side of the worm gear 21 in the cavity 20. The worm 22 meshes with the worm gear 21. One end of the worm 22 penetrates through one side of the cavity 20 and extends to the outside. One end of the worm 22 passes through the through groove 3 and is fixedly installed with a disc 4. The lower end of the worm gear 21 penetrates through the bottom of the cavity 20 and is coaxially connected with the threaded drill rod 19;

[0063] The fixed block 16 is fixedly installed on the support leg 2. A limiting groove 23 is formed in the fixed block 16. A limiting block 25 is slidably installed in the limiting groove 23. One end of the limiting block 25 penetrates through one side of the limiting groove 23 and the support leg 2 and extends into the slider 18. The other end of the limiting block 25 is fixedly installed with a pull rod 17. One end of the pull rod 17 penetrates through the other side of the limiting groove 23 and extends to the outside. A spring 24 is sleeved on the pull rod 17 and located in the limiting groove 23.

[0064] Among them, during use, the staff places the overall device at the designated position. Subsequently, the pull rod 17 is pulled by hand, causing the pull rod 17 to drive the displacement of the limiting block 25, and one end of the limiting block 25 is completely withdrawn from the slider 18. At this time, the spring 24 will be compressed and contract. Subsequently, under the action of gravity, the slider 18 will drive the threaded drill rod 19 to move downward, causing the threaded drill rod 19 to contact the ground. Subsequently, the disc 4 can be rotated by hand, and the disc 4 will drive the worm 22 to rotate. Under the action of meshing, the worm 22 will drive the worm gear 21 to rotate, and the worm gear 21 will drive the threaded drill rod 19 to rotate. Subsequently, the threaded drill rod 19 will move downward under the action of rotation and enter the soil. At this time, the slider 18 will also move downward. At this time, the threaded drill rod 19 in one of the support legs 2 will enter the soil, so that one of the support legs 2 can be fixed to the ground. Through the above operations, the remaining threaded drill rods 19 can enter the soil, fixing the remaining support legs 2 to the ground.

[0065] Embodiment 5:

[0066] This embodiment provides a coal mine hydraulic bolt drill. In addition to including the technical solutions of the above embodiments, it also has the following technical features: the lower end of the worm gear 21 is rotatably connected to the slider 18. One end of the limiting block 25 is inserted and matched with the slider 18 and the support leg 2. The pull rod 17 is slidably connected to the limiting groove 23 and the fixed block 16. Both ends of the spring 24 are tightly welded to the other end of the limiting block 25 and the inner wall of the limiting groove 23 respectively.

[0067] Among them, ensure that the worm gear 21 can rotate normally; ensure that one end of the limiting block 25 can be inserted into the slider 18 through the support leg 2; ensure that the pull rod 17 can operate normally; ensure the structural stability of the spring 24.

[0068] Embodiment 6:

[0069] This embodiment provides a coal mine hydraulic bolt drill. In addition to including the technical solutions of the above embodiments, it also has the following technical features: the output shaft of the motor 8 is rotatably connected to the sliding shell 7, and the sliding shell 7 is slidably connected to the top of the workbench 1.

[0070] Among them, ensure that the motor 8 can operate normally; ensure that the sliding shell 7 can slide on the top of the workbench 1.

[0071] Example 7:

[0072] This embodiment provides a coal mine hydraulic bolt drill. In addition to including the technical solutions of the above embodiments, it also has the following technical features. A number of spray nozzles 26 are distributed at equal intervals in a ring shape, and the spray nozzles 26 are communicated with the inner cavity of the return pipe 9. A pull plate 5 is fixedly installed on one side of the slider 18 and located in the through groove 3, and the pull plate 5 is slidably connected with the through groove 3.

[0073] Among them, it is ensured that the water sprayed out by a number of spray nozzles 26 can fully contact the dust, so as to play a role in dust reduction; it is ensured that the water in the return pipe 9 can be sprayed out from a number of spray nozzles 26; it is ensured that the pull plate 5 can lift the slider 18.

[0074] It should be noted that: the connecting pipe 15 is a flexible pipe, its material is relatively soft, and the connecting pipe 15 has a sufficient length. During the displacement of the return pipe 9, the connecting pipe 15 will not be folded or tightened.

[0075] Working principle: When in use, the staff place the whole device at the designated position. Subsequently, pull the pull rod 17 by hand, so that the pull rod 17 drives the limit block 25 to displace, and one end of the limit block 25 is completely pulled out from the slider 18. At this time, the spring 24 will be compressed and contract. Subsequently, under the action of gravity, the slider 18 will drive the threaded drill rod 19 to displace downward, so that the threaded drill rod 19 contacts the ground. Subsequently, the disc 4 can be rotated by hand, and the disc 4 will drive the worm 22 to rotate. Under the action of meshing, the worm 22 will drive the worm wheel 21 to rotate, and the worm wheel 21 will drive the threaded drill rod 19 to rotate. Then, the threaded drill rod 19 will displace downward and enter the soil under the action of rotation. At this time, the slider 18 will also displace downward. At this time, the threaded drill rod 19 in one of the support legs 2 will enter the soil, so as to fix one of the support legs 2 to the ground. Through the above operations, the remaining threaded drill rods 19 can enter the soil, so that the remaining support legs 2 are fixed to the ground;

[0076] Subsequently, the hydraulic cylinder 6 and the motor 8 can be started. The output shaft of the motor 8 will drive the connecting column 10 to rotate, and the connecting column 10 will drive the drill bit 11 to rotate. At the same time, the output shaft of the hydraulic cylinder 6 will extend and drive the sliding housing 7 to slide and displace on the workbench 1. The sliding housing 7 will drive the connecting column 10 to displace, and the connecting column 10 will drive the drill bit 11 to displace, enabling the drill bit 11 to drill the coal mine. When the drill bit 11 is rotating, the water pump 13 is started. The water pump 13 will pump the water located in the water storage cavity 27 through the water pipe 14. Subsequently, the water pump 13 will transport the water in the water pipe 14 into the connecting pipe 15. The water in the connecting pipe 15 will enter the inner cavity of the return pipe 9. Subsequently, under the action of the water pressure, the water in the inner cavity of the return pipe 9 will be sprayed out from a number of nozzles 26, which can play a role in dust prevention and can also cool the drill bit 11.

[0077] The embodiments of the present application have been described above in conjunction with the accompanying drawings. Without conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present application, those of ordinary skill in the art can also make many forms without departing from the purpose of the present application and the scope protected by the claims, and all of them belong to the protection scope of the present application.

Claims

1. A coal mine hydraulic anchor drilling rig, characterized in that: include: A workbench (1), wherein a hydraulic cylinder (6) is fixedly mounted on the top of the workbench (1), a sliding shell (7) is fixedly mounted on the output end of the hydraulic cylinder (6), a motor (8) is fixedly mounted inside the sliding shell (7), a round pipe (9) is fixedly mounted on one side of the sliding shell (7), the output end of the motor (8) passes through the sliding shell (7) and is fixedly mounted with a connecting column (10), the connecting column (10) is located inside the round pipe (9), a plurality of nozzles (26) are fixedly mounted on one side of the round pipe (9), a drill bit (11) is fixedly mounted on one end of the connecting column (10), and a water storage chamber (27) is provided inside the workbench (1); A water supply assembly, the water supply assembly being located on the top of the workbench (1) and being used to transport water in the water storage chamber (27) to the meandering pipe (9); Four supporting legs (2), each of the four supporting legs (2) being fixedly mounted on the bottom of the workbench (1) and close to four corners, a through slot (3) being provided on one side of the supporting leg (2), a slider (18) being slidably mounted in the supporting leg (2), and a threaded drill rod (19) being rotatably mounted on the bottom of the slider (18); Four control components are respectively located in four sliders (18) and are respectively used to drive four threaded drill rods (19) to rotate and fix the four sliders (18).

2. A coal mine hydraulic anchor drilling rig according to claim 1, characterized in that: The water supply assembly comprises: A water pump (13), the water pump (13) is fixedly mounted on the top of the workbench (1) and located on one side of the loop-shaped pipe (9), a water pipe (14) is fixedly mounted on the water inlet end of the water pump (13), one end of the water pipe (14) passes through the top of the workbench (1) and extends into the water storage cavity (27), a connecting pipe (15) fixed to the loop-shaped pipe (9) is fixedly mounted on the water outlet end of the water pump (13), and the connecting pipe (15) is communicated with the inner cavity of the loop-shaped pipe (9).

3. A coal mine hydraulic anchor drilling rig according to claim 1, characterized in that: A sealing cover (12) is plugged and installed at the material inlet of the water storage chamber (27).

4. A coal mine hydraulic anchor drilling rig according to claim 1, characterized in that: The control component comprises: A cavity (20), wherein the cavity (20) is opened in the slider (18), a worm wheel (21) is rotatably installed in the cavity (20), a worm (22) is rotatably installed in the cavity (20) and located on one side of the worm wheel (21), the worm (22) is meshed with the worm wheel (21), one end of the worm (22) passes through one side of the cavity (20) and extends to the outside, one end of the worm (22) passes through the through groove (3) and is fixedly installed with a disc (4), and the lower end of the worm wheel (21) passes through the bottom of the cavity (20) and is coaxially connected to the threaded drill rod (19); A fixed block (16), wherein the fixed block (16) is fixedly mounted on the supporting leg (2), a limiting groove (23) is provided in the fixed block (16), a limiting block (25) is slidably mounted in the limiting groove (23), one end of the limiting block (25) passes through one side of the limiting groove (23) and the supporting leg (2) and extends into the sliding block (18), a pull rod (17) is fixedly mounted on the other end of the limiting block (25), one end of the pull rod (17) passes through the other side of the limiting groove (23) and extends to the outside, and a spring (24) is sleeved on the pull rod (17) and located in the limiting groove (23).

5. A coal mine hydraulic anchor drilling rig according to claim 4, characterized in that: The lower end of the worm gear (21) is rotationally connected to the slider (18), one end of the limit block (25) is plugged into the slider (18) and the support leg (2), the pull rod (17) is slidably connected to the limit groove (23) and the fixed block (16), and the two ends of the spring (24) are tightly welded to the other end of the limit block (25) and the inner wall of the limit groove (23), respectively.

6. A coal mine hydraulic anchor drilling rig according to claim 1, characterized in that: The output shaft of the motor (8) is rotationally connected to the sliding shell (7), and the sliding shell (7) is slidingly connected to the top of the workbench (1).

7. A coal mine hydraulic anchor drilling rig according to claim 1, characterized in that: The plurality of nozzles (26) are distributed in a circular shape at equal intervals, and the nozzles (26) are connected to the inner cavity of the circular tube (9). A pull plate (5) is fixedly installed on one side of the slider (18) and located in the through groove (3), and the pull plate (5) is slidably connected to the through groove (3).

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