Coal mining machine cutting pick cylindrical drill with adjusting structure
By introducing an adjustment structure and a built-in cleaning mechanism into the cutting tooth cylinder drill of the coal mining machine, the problem of inconvenient adjustment of traditional devices has been solved, achieving efficient cleaning and stable drilling during the drilling process, and improving the mining efficiency and resource utilization rate of the coal mining machine.
Patent Information
- Application Number
- CN202520644885.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-08
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-04-08
AI Technical Summary
Traditional coal mining machines have fixed cutting tooth cylinder designs, which are inconvenient to adjust, affecting the flexibility and efficiency of mining operations and potentially leading to resource waste or underutilization.
A coal mining machine cutting tooth cylinder drill with an adjustable structure was designed, including a cylinder drill body, a positioning seat, a fixed seat, a drill rod, a drill bit, and a built-in adjustment mechanism. The cylinder drill is driven by a cylinder to extend the telescopic rod and the positioning plate to achieve debris removal during the drilling process, which enhances the flexibility and stability of the device.
It improved drilling efficiency and quality, avoided drilling obstruction caused by debris accumulation, and enhanced the flexibility and efficiency of mining operations.
Smart Images

Figure CN223754018U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mining equipment technical field, more specifically, the utility model relates to a coal winning machine tooth pick tube drill with adjusting structure. BACKGROUND
[0002] In the mining field, the coal winning machine tooth pick tube drill plays a crucial role and is a key mining tool.
[0003] Through the search, the existing patent publication No. CN214532805U discloses a rotary drilling rig and a tube drill, wherein the tube drill includes a barrel, a blade assembly and a cutting tooth, a plurality of blade assemblies are arranged on one side of the barrel for drilling in hard rock strata, the cutting tooth arranged on the blade assembly is used for cutting hard rock strata, specifically, the cutting tooth of the first blade and the second blade of the blade assembly destroys the hard rock strata in a shearing manner, compared with the drilling mode of the tooth pick tube drill and the cone pick tube drill in the prior art, the grinding rock breaking efficiency is higher, and the drilling speed in the hard rock strata is faster, thereby improving the hole forming efficiency of the rotary drilling rig in the hard rock strata to a certain extent.
[0004] The traditional coal winning machine tooth pick tube drill has a relatively fixed design, and the mining depth often needs to be preset before operation, and once installed, it is very inconvenient to adjust, which not only limits the flexibility of mining operation, but also may lead to over-mining or under-utilization of resources, affecting mining efficiency and cost-effectiveness.
[0005] Therefore, the coal winning machine tooth pick tube drill with adjusting structure is proposed to solve the above problems. UTILITY MODEL CONTENT
[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a coal winning machine tooth pick tube drill with adjusting structure to solve the problems raised in the background art.
[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a coal winning machine tooth pick tube drill with adjusting structure, comprising a tube drill body, a positioning seat is fixedly installed at the top of the tube drill body, a fixed seat is fixedly installed on the outer side of the bottom of the tube drill body, a drill rod is fixedly installed above the fixed seat, a drill bit is fixedly installed at the end of the drill rod away from the fixed seat, the bottom of the tube drill body is provided with a drilling tooth, and an adjusting mechanism is arranged in the tube drill body.
[0008] Preferably, the adjusting mechanism comprises a gas cylinder, a telescopic rod is movably installed at the bottom of the gas cylinder, a positioning disc is fixedly installed at the bottom of the telescopic rod, support rods are uniformly installed directly below the positioning disc, connecting rods are fixedly installed directly below the support rods, and drill coal heads are uniformly installed at the bottom of the connecting rods.
[0009] Preferably, the connecting rods are arranged in a cross shape, and the ends of the connecting rods are away from the inner wall of the barrel body.
[0010] Preferably, the connecting rods are arranged in a cross shape, and the ends of the connecting rods are away from the inner wall of the barrel body.
[0011] Preferably, the outer side of the barrel body is provided with external threads, and the external threads are located at the lower half of the outer side of the barrel body.
[0012] Preferably, the outer side of the barrel body is provided with drainage holes, and the drainage holes are distributed at the external threads and penetrate through the external threads.
[0013] Technical effects and advantages of the present application:
[0014] Compared with the prior art, the coal mining machine pick barrel with the adjusting structure has a delicate and complete design, the positioning seat ensures the stability and accuracy of the barrel body, and provides firm support for drilling. The fixed seat connects the drill rod and the barrel body, ensures power transmission and stable operation of the drill bit. The drill rod has high strength and wear resistance, ensures efficient drilling, the drill bit is made of high-quality materials, has strong cutting ability and good durability, and can cope with complex geological conditions. The drilling teeth enhance the drilling efficiency and make the process more smooth.
[0015] Compared with the prior art, the coal mining machine pick barrel with the adjusting structure has a delicate and complete design, the positioning seat ensures the stability and accuracy of the barrel body, and provides firm support for drilling. The fixed seat connects the drill rod and the barrel body, ensures power transmission and stable operation of the drill bit. The drill rod has high strength and wear resistance, ensures efficient drilling, the drill bit is made of high-quality materials, has strong cutting ability and good durability, and can cope with complex geological conditions. The drilling teeth enhance the drilling efficiency and make the process more smooth. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole three-dimensional structure schematic view of the present application.
[0017] Figure 2 It is an internal structure schematic view of the present application.
[0018] Figure 3 It is a structure schematic view of the front view of the present application.
[0019] Figure 4 It is a structure schematic view of the bottom of the present application.
[0020] The reference signs are: 1, barrel body; 2, positioning seat; 3, protection plate; 4, fixed seat; 5, drill rod; 6, drill bit; 7, drilling teeth; 8, air cylinder; 9, telescopic rod; 10, positioning disc; 11, external thread; 12, drainage hole; 13, support rod; 14, connecting rod; 15, coal drilling head. DETAILED DESCRIPTION
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Example 1
[0023] As attached Figures 1 to 4 The coal mining machine cutting tooth cylinder drill shown includes a cylinder drill body 1, a positioning seat 2 fixedly installed on the top of the cylinder drill body 1, a fixing seat 4 fixedly installed on the outer side of the bottom of the cylinder drill body 1, a drill rod 5 fixedly installed on the top of the fixing seat 4, a drill bit 6 fixedly installed on the end of the drill rod 5 away from the fixing seat 4, and a drilling tooth 7 set at the bottom of the cylinder drill body 1. An adjustment mechanism is provided inside the cylinder drill body 1.
[0024] Among them, the core component of the cylinder drilling device is the cylinder drilling body 1, which is stably mounted on the top of the cylinder drilling body 1 to ensure the accurate positioning and stable support of the cylinder drilling body 1 during operation. The bottom outer side of the cylinder drilling body 1 is tightly connected to the fixing seat 4, which not only enhances the stability of the overall structure, but also serves as the support point for the drill rod 5, ensuring the continuity of power transmission and the stable operation of the drill bit 6.
[0025] The drill pipe 5 serves as a bridge connecting the drill bit 6 and the barrel drill body 1. Its materials and processes have been rigorously selected to ensure high strength and wear resistance to cope with complex working environments. The drill bit 6 is made of advanced alloy materials, with excellent cutting ability and long service life, and can easily cope with various geological conditions.
[0026] The bottom of the barrel drill body 1 is equipped with drilling teeth 7, which significantly improves drilling efficiency. At the same time, the barrel drill body 1 also has an internal adjustment mechanism. Through mechanical structure design, the barrel drill device can flexibly adapt to different operation requirements and automatically clean up the generated debris during the drilling process, effectively avoiding the drilling obstruction problem caused by debris accumulation, thereby improving the overall work efficiency and drilling quality.
[0027] Example 2
[0028] Based on Embodiment 1, the solution in Embodiment 1 will be further described in detail below with reference to the specific working method, such as... Figures 1 to 4 As shown below, see details:
[0029] As a preferred embodiment, the edge of the positioning seat 2 is fixedly provided with a protective plate 3, and the bottom of the protective plate 3 is in contact with the top of the core drill body 1; further, the edge of the positioning seat 2 is additionally provided with the protective plate 3, which not only enhances the safety of the core drilling device, but also effectively prevents the debris or splashes generated during operation from causing harm to the operator, and the bottom of the protective plate 3 is tightly attached to the top of the core drill body 1, forming a tight protective barrier to ensure the cleanliness and safety of the working environment.
[0030] As a preferred embodiment, the adjusting mechanism includes a gas cylinder 8, the bottom of the gas cylinder 8 is movably provided with a telescopic rod 9, the bottom of the telescopic rod 9 is fixedly provided with a positioning disc 10, the positioning disc 10 is uniformly provided with a support rod 13 below, the support rod 13 is fixedly provided with a connecting rod 14 below, and the connecting rod 14 is uniformly provided with a coal drilling head 15 at the bottom; further, the adjusting mechanism drives the telescopic rod 9 to move up and down through the gas cylinder 8, the positioning disc 10 ensures the stable work of the telescopic rod 9, and the support rod 13 and the connecting rod 14 form a stable structure, and the uniformly distributed coal drilling heads 15 at the bottom effectively clean the coal or rock debris in the drill hole during the telescopic process, keep the drill hole unobstructed, and improve the operation efficiency.
[0031] As a preferred embodiment, the connecting rod 14 is cross-shaped, and the end of the connecting rod 14 is away from the inner wall of the core drill body 1; further, the cross-shaped connecting rod 14 enhances the stability of the adjusting mechanism, ensures that the connecting rod 14 can be uniformly stressed during the telescopic process, and the end is designed to be away from the inner wall of the core drill body 1, which effectively avoids friction with the inner wall during the cleaning process, thereby prolonging the service life of the adjusting mechanism and reducing energy loss.
[0032] As a preferred embodiment, the outer side of the core drill body 1 is provided with an external thread 11, and the external thread 11 is located at the lower half of the outer side of the core drill body 1; further, the external thread 11 is engraved on the lower half of the outer side of the core drill body 1, which not only improves the fastening degree between the core drilling device and the drill rod 5 or other connecting components, but also effectively prevents loosening during drilling, further ensuring the safety and efficiency of the operation.
[0033] As a preferred embodiment, the outer side of the core drill body 1 is provided with a drainage hole 12, and the drainage hole 12 is distributed at the external thread 11 and penetrates through the external thread 11; further, during the drilling process, the accumulated water or mud can be quickly discharged through the drainage holes 12, avoiding problems such as reduced drilling efficiency or equipment damage caused by accumulated water.
[0034] The working process of the utility model is as follows: in use,
[0035] First, the barrel drill body 1 is stably installed on the coal mining machine through the positioning seat 2 at the top thereof, ensuring that the protective plate 3 at the edge of the positioning seat 2 is in close contact with the top of the barrel drill body 1, providing additional protection, then the adjusting mechanism inside the barrel drill body 1 is started, the air cylinder 8 starts to work, driving the telescopic rod 9 to move downward, the positioning disc 10 at the bottom of the telescopic rod 9 is lowered, preparing for subsequent drilling and cleaning work, as the positioning disc 10 is lowered, the support rod 13 and the cross-shaped connecting rod 14 below it start to work, the cross-shaped design of the connecting rod 14 enhances the stability of the structure, and its end is away from the inner wall of the barrel drill body 1, avoiding unnecessary friction, the coal drilling head 15 at the bottom of the connecting rod 14 starts to contact the coal seam, drilling and cleaning the coal in the drill hole.
[0036] During drilling, the drill teeth 7 at the bottom of the barrel drill body 1 and the drill bit 6 at the end of the drill rod 5 also work together to improve drilling efficiency, at the same time, the external threads 11 on the lower half of the outer side of the barrel drill body 1 help to tightly combine with the coal seam, further stabilizing the drilling process, when water is produced during drilling, the drainage holes 12 on the outer side of the barrel drill body 1 will timely drain the water, ensuring that the drilling operation is not affected, the drainage holes 12 are distributed at the external threads 11 and penetrate through the external threads 11, effectively improving the drainage efficiency, after drilling and cleaning work is completed, the air cylinder 8 drives the telescopic rod 9 to rise, retracting the coal drilling head 15 and the positioning disc 10, preparing for the next drilling or moving to a new coal mining location.
Claims
1. A coal mining machine cutting tooth cylinder drill with an adjustable structure, comprising a cylinder drill body (1), characterized in that: A positioning seat (2) is fixedly installed on the top of the drill body (1), a fixing seat (4) is fixedly installed on the outer bottom of the drill body (1), a drill rod (5) is fixedly installed on the top of the fixing seat (4), a drill bit (6) is fixedly installed on the end of the drill rod (5) away from the fixing seat (4), the bottom of the drill body (1) is provided with drilling teeth (7), and an adjustment mechanism is provided inside the drill body (1).
2. The coal mining machine cutting tooth cylinder drill with an adjustable structure according to claim 1, characterized in that: A protective plate (3) is fixedly installed at the edge of the positioning seat (2), and the bottom of the protective plate (3) is in contact with the top of the drill body (1).
3. A coal mining machine cutting tooth cylinder drill with an adjustable structure according to claim 2, characterized in that: The adjustment mechanism includes a cylinder (8), a telescopic rod (9) is movably installed at the bottom of the cylinder (8), a positioning plate (10) is fixedly installed at the bottom of the telescopic rod (9), a support rod (13) is evenly installed directly below the positioning plate (10), a connecting rod (14) is fixedly installed directly below the support rod (13), and a coal drill bit (15) is evenly installed at the bottom of the connecting rod (14).
4. A coal mining machine cutting tooth cylinder drill with an adjustable structure according to claim 3, characterized in that: The connecting rods (14) are arranged in a cross configuration, with the ends of the connecting rods (14) being far from the inner wall of the drill body (1).
5. A coal mining machine cutting tooth cylinder drill with an adjustable structure according to claim 4, characterized in that: The outer side of the drill body (1) is provided with an external thread (11), which is located on the lower half of the outer side of the drill body (1).
6. A coal mining machine cutting tooth cylinder drill with an adjustable structure according to claim 4, characterized in that: The outer side of the drill body (1) is provided with drainage holes (12), which are located at the external thread (11) and penetrate the external thread (11).
Citation Information
Patent Citations
Rotary drilling rig and cylindrical drill
CN214532805U