Drill jamming prevention rotary joint of coal mine drilling machine
By designing an anti-jamming rotary joint for coal mine drilling rigs, and utilizing a combination of installation mechanisms and sealing components, the problem of easy jamming in traditional coal mine drilling rigs has been solved. This achieves a stable connection of the equipment, reduces wear, extends service life, lowers maintenance costs, and improves safety.
Patent Information
- Application Number
- CN202423270864.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Traditional coal mine drilling rigs are prone to jamming accidents during use, which can trap underground workers, increase the difficulty of rescue, and even cause casualties.
A rotary joint for preventing drill jamming in coal mine drilling rigs was designed. Through the combination of installation mechanism and sealing components, including a slide groove, limit groove, fixing hole, spring, limit block, connecting plate, adjusting ring, fixing ring and fixing block, a stable connection of the joint head is achieved, reducing wear and extending the service life of the equipment.
It effectively prevents external wear of the rotating joint during drilling, reduces maintenance costs, extends equipment life, and improves safety.
Smart Images
Figure CN223739339U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to coal mine drilling machine related technical field, especially, relate to a coal mine drilling machine anti jamming rotary joint. BACKGROUND
[0002] Coal mine drilling machine refers to the mechanical equipment used in the process of coal mining for drilling operation, mainly used for coal exploration, ventilation, gas drainage, water injection and other operations, and is one of the important equipment for coal mine safety production. According to the different functions, coal mine drilling machine can be divided into two categories of ordinary drilling machine and directional drilling machine.
[0003] The coal mine drilling machine on the market has the following problems in use: the traditional coal mine drilling machine in application, long time use coal mine drilling machine in use process may meet jamming, and jamming accident may cause underground operation personnel to be trapped, increase the difficulty of rescue, and may cause casualties in serious cases. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at at least one of the technical problems in the above-mentioned technology.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a coal mine drilling machine anti jamming rotary joint, including rotary joint main part, installation mechanism is arranged on the rotary joint main part;
[0006] The installation mechanism includes a sliding slot, a limiting slot, a fixing hole, a spring, a limiting block, a connecting plate, an adjusting ring, a fixing ring and a fixing block, the inner wall of the rotary joint main part is provided with a sliding slot, the inner wall of the sliding slot is provided with a limiting slot, the inner wall of the sliding slot is provided with a fixing hole, the fixing hole is internally provided with a spring, one end of the spring is provided with a limiting block, the outer wall of the limiting block is fixedly provided with a connecting plate, the outer wall of the connecting plate is fixedly provided with an adjusting ring, the outer wall of the rotary joint main part is fixedly provided with a fixing ring, and the outer wall of the fixing ring is fixedly provided with a fixing block.
[0007] Preferably, the rotary joint main part includes a connecting head, a connecting pipe and a protective shell, the inner wall of the connecting head is slidably connected with the connecting pipe, and one end of the connecting pipe is fixedly provided with the protective shell.
[0008] Preferably, the sliding slot is symmetrically arranged along the central axis of the connecting head, and the inner wall size of the sliding slot is matched with the outer wall size of the fixing block.
[0009] Preferably, the inner wall size of the adjusting ring is matched with the outer wall size of the connecting head, and the connecting plate is symmetrically installed along the central axis of the adjusting ring.
[0010] Preferably, the inner wall size of the sliding slot is matched with the outer wall size of the limiting block, and the outer wall size of the fixing block is matched with the inner wall size of the limiting slot.
[0011] Preferably, the installation mechanism is provided with a sealing assembly, the sealing assembly comprises a fixed groove, a fixed ring, an installation groove, a sealing ring, a connecting groove and a connecting block, the outer wall of the fixed ring is provided with the fixed groove, the fixed groove is internally provided with the fixed ring, the inner wall of the fixed ring is provided with the installation groove, the installation groove is internally provided with the sealing ring, the inner wall of the fixed ring is provided with the connecting groove, and the outer wall of the connecting pipe is fixedly provided with the connecting block.
[0012] Preferably, the inner wall size of the fixed groove is matched with the outer wall size of the fixed ring, and the inner wall size of the installation groove is matched with the outer wall size of the sealing ring.
[0013] Compared with the prior art, the coal mine drilling machine anti-sticking drill rotary joint has the advantages that: the protective shell is installed at one end of the connecting head through the fixed block, the connecting head is installed on the coal mine drilling machine, wear is reduced and the equipment is protected, the external wear of the rotary joint of the drilling machine in the drilling process is reduced, the service life of the equipment is prolonged, and the maintenance cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall appearance structure of the utility model;
[0015] Figure 2 It is a schematic diagram of the partial section structure of the utility model;
[0016] Figure 3 It is a schematic diagram of the cooperation structure of the limiting block and the adjusting ring of the utility model;
[0017] Figure 4 It is a schematic diagram of the sealing assembly structure of the utility model;
[0018] Figure 5 It is a schematic diagram of the sealing assembly structure of the utility model; Figure 2 It is a schematic diagram of the sealing assembly structure of the utility model;
[0019] In the drawing: 1, rotary joint main body; 11, connecting head; 12, connecting pipe; 13, protective shell; 2, installation mechanism; 21, sliding groove; 22, limiting groove; 23, fixed hole; 24, spring; 25, limiting block; 26, connecting plate; 27, adjusting ring; 28, fixed ring; 29, fixed block; 3, sealing assembly; 31, fixed groove; 32, fixed sleeve; 33, installation groove; 34, sealing ring; 35, connecting groove; 36, connecting block; DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0021] Please refer to Figure 1 -5, the utility model provides a technical scheme: a coal mine drilling machine anti-stuck drill rotary joint, including rotary joint main part 1, be provided with installation mechanism 2 on rotary joint main part 1;
[0022] Installation mechanism 2 includes sliding slot 21, limit slot 22, fixed hole 23, spring 24, limit block 25, connecting plate 26, adjusting ring 27, fixed ring 28 and fixed block 29, the inner wall of rotary joint main part 1 is provided with sliding slot 21, the inner wall of sliding slot 21 is provided with limit slot 22, the inner wall of sliding slot 21 is provided with fixed hole 23, spring 24 is installed in fixed hole 23, one end of spring 24 is installed with limit block 25, the outer wall of limit block 25 is fixed with connecting plate 26, the outer wall of connecting plate 26 is fixed with adjusting ring 27, the outer wall of rotary joint main part 1 is fixed with fixed ring 28, the outer wall of fixed ring 28 is fixed with fixed block 29, through the setting of sliding slot 21, limit slot 22, fixed hole 23, spring 24, limit block 25, connecting plate 26, adjusting ring 27, fixed ring 28 and fixed block 29, when using, spring 24 is installed in the fixed hole 23 in the inner wall of sliding slot 21, limit block 25 is installed in sliding slot 21, and the end of limit block 25 is connected with spring 24, connecting plate 26 is installed on the outer side of limit block 25, is connected with the inner wall of adjusting ring 27 through fixed hole 23, when installing limit slot 22, fixed ring 28 is sleeved on the outer wall of connecting pipe 12, then fixed block 29 on fixed ring 28 is inserted into the sliding slot 21 at one end of connecting head 11, at this time, fixed block 29 extrudes limit block 25 inward and makes it shrink into fixed hole 23, when needing to use rotary joint main part 1, connecting head 11 is connected to coal mine drilling machine through thread, connecting head 11 is connected to coal mine drilling machine through thread, then drill bit is installed into connecting head 11, at this time, adjusting ring 27 is pulled back, at this time, adjusting ring 27 drives limit block 25 to compress spring 24 inward through connecting plate 26, at this time, limit block 25 will slide out of sliding slot 21, then fixed block 29 is aligned and inserted and rotated, so that fixed block 29 slides into limit slot 22.
[0023] Further, the rotary joint main part 1 includes the connecting head 11, the connecting pipe 12 and the protective shell 13, the inner wall of the connecting head 11 is slidably connected with the connecting pipe 12, and one end of the connecting pipe 12 is fixedly connected with the protective shell 13.
[0024] Further, the sealing assembly 3 is arranged on the mounting mechanism 2, the sealing assembly 3 comprises a fixing groove 31, a fixing sleeve 32, a mounting groove 33, a sealing ring 34, a connecting groove 35 and a connecting block 36, the outer wall of the fixing sleeve 32 is provided with the fixing groove 31, the fixing groove 31 is internally provided with the fixing sleeve 32, the inner wall of the fixing ring 28 is provided with the mounting groove 33, the mounting groove 33 is internally provided with the sealing ring 34, the inner wall of the fixing ring 28 is provided with the connecting groove 35, the outer wall of the connecting pipe 12 is fixedly provided with the connecting block 36, through the arrangement of the fixing groove 31, the fixing sleeve 32, the mounting groove 33, the sealing ring 34, the connecting groove 35 and the connecting block 36, in use, the sealing ring 34 is sleeved on the outer wall of the connecting pipe 12, the connecting groove 35 on the inner wall of the fixing ring 28 is aligned with the connecting block 36 on the outer wall of the connecting pipe 12 and is inserted, and the sealing ring 34 is clamped into the mounting groove 33, then the fixing sleeve 32 is sleeved on the outer wall of the fixing ring 28 through the fixing groove 31, so that the fixing ring 28 is fixed on the outer wall of the connecting pipe 12, when the rotary joint body 1 needs to be used, the connecting head 11 is threadedly connected to the coal mine drilling machine, the connecting head 11 is threadedly connected to the coal mine drilling machine, and then the drill bit is installed into the connecting head 11, at this time, the adjusting ring 27 is pulled backward, at this time, the adjusting ring 27 drives the limiting block 25 to compress the spring 24 inwardly through the connecting plate 26, at this time, the limiting block 25 is slid out of the sliding groove 21, then the fixing block 29 is aligned and inserted, and the fixing ring 28 is driven to rotate by the fixing block 29 on the outer wall of the connecting pipe 12, so that the fixing block 29 is slid into the limiting groove 22.
[0025] Further, the sliding groove 21 is symmetrically arranged with the central axis of the connecting head 11, the inner wall size of the sliding groove 21 matches the outer wall size of the fixing block 29, through the arrangement of the fixing block 29, in use, the fixing block 29 is used in cooperation with the limiting groove 22 to fix the connecting pipe 12 in the connecting head 11.
[0026] Further, the inner wall size of the adjusting ring 27 matches the outer wall size of the connecting head 11, the connecting plate 26 is symmetrically arranged with the central axis of the adjusting ring 27, through the arrangement of the adjusting ring 27, in use, at this time, the adjusting ring 27 is pulled backward, at this time, the adjusting ring 27 drives the limiting block 25 to compress the spring 24 inwardly through the connecting plate 26, at this time, the limiting block 25 is slid out of the sliding groove 21, then the fixing block 29 is aligned and inserted, and the fixing ring 28 is driven to rotate by the fixing block 29 on the outer wall of the connecting pipe 12, so that the fixing block 29 is slid into the limiting groove 22.
[0027] Further, the inner wall size of the sliding groove 21 matches the outer wall size of the limiting block 25, the outer wall size of the fixing block 29 matches the inner wall size of the limiting groove 22, through the arrangement of the limiting block 25, in use, when the fixing block 29 is clamped into the limiting groove 22, the limiting block 25 is pushed into the sliding groove 21 by the spring 24, so that the fixing block 29 is fixed in the limiting groove 22.
[0028] Further, the inner wall size of the fixing groove 31 matches the outer wall size of the fixing sleeve 32, the inner wall size of the mounting groove 33 matches the outer wall size of the sealing ring 34, through the setting of the sealing ring 34, in use, the sealing ring 34 can prevent external water dust and other impurities from entering the inside of the rotary joint body 1, affecting its normal work.
[0029] Working principle: in use, the spring 24 is installed in the fixing hole 23 opened in the inner wall of the sliding groove 21, the limiting block 25 is installed in the sliding groove 21, and one end of the limiting block 25 is connected with the spring 24, the connecting plate 26 is installed outside the limiting block 25, and is connected with the inner wall of the adjusting ring 27 through the fixing hole 23, when installing the limiting groove 22, the fixing ring 28 is sleeved on the outer wall of the connecting pipe 12, then the fixing block 29 on the fixing ring 28 is inserted into the sliding groove 21 at one end of the connecting head 11, at this time the fixing block 29 extrudes the limiting block 25 inward to make it shrink into the fixing hole 23, the sealing ring 34 is sleeved on the outer wall of the connecting pipe 12, the connecting groove 35 on the inner wall of the fixing ring 28 is inserted into the connecting block 36 on the outer wall of the connecting pipe 12, and the sealing ring 34 is clamped into the mounting groove 33, then the fixing sleeve 32 is sleeved on the outer wall of the fixing ring 28 through the fixing groove 31, so that the fixing ring 28 is fixed on the outer wall of the connecting pipe 12, when the rotary joint body 1 needs to be used, the connecting head 11 is connected to the coal mine drilling machine through threads, the connecting head 11 is connected to the coal mine drilling machine through threads, then the drill bit is installed into the connecting head 11, at this time the adjusting ring 27 is pulled backward, at this time the adjusting ring 27 drives the limiting block 25 to compress the spring 24 inward through the connecting plate 26, at this time the limiting block 25 will slide out of the sliding groove 21, then the fixing block 29 is aligned and inserted, and the fixing ring 28 is driven to rotate through the fixing block 29 on the outer wall of the connecting pipe 12, so that the fixing block 29 slides into the limiting groove 22.
[0030] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A coal mine drilling rig anti-sticking rotary joint, comprising a rotary joint main body (1), characterized in that: The rotating joint body (1) is provided with a mounting mechanism (2); The mounting mechanism (2) comprises a sliding groove (21), a limiting groove (22), a fixing hole (23), a spring (24), a limiting block (25), a connecting plate (26), an adjusting ring (27), a fixing ring (28) and a fixing block (29), the inner wall of the rotating joint body (1) is provided with a sliding groove (21), the inner wall of the sliding groove (21) is provided with a limiting groove (22), the inner wall of the sliding groove (21) is provided with a fixing hole (23), the fixing hole (23) is internally provided with a spring (24), one end of the spring (24) is provided with a limiting block (25), the outer wall of the limiting block (25) is fixedly provided with a connecting plate (26), the outer wall of the connecting plate (26) is fixedly provided with an adjusting ring (27), the outer wall of the rotating joint body (1) is fixedly provided with a fixing ring (28), and the outer wall of the fixing ring (28) is fixedly provided with a fixing block (29).
2. The anti-sticking rotary joint of a coal mine drilling rig according to claim 1, characterized in that: The rotating joint body (1) comprises a connecting head (11), a connecting pipe (12) and a protective shell (13), the inner wall of the connecting head (11) is slidably connected with the connecting pipe (12), and one end of the connecting pipe (12) is fixedly provided with the protective shell (13).
3. The anti-sticking rotary joint of a coal mine drilling rig according to claim 1, characterized in that: The sliding groove (21) is symmetrically arranged on the central axis of the connecting head (11), and the inner wall size of the sliding groove (21) is matched with the outer wall size of the fixing block (29).
4. The anti-sticking rotary joint of a coal mine drilling rig according to claim 1, characterized in that: The inner wall size of the adjusting ring (27) is matched with the outer wall size of the connecting head (11), and the connecting plate (26) is symmetrically arranged on the central axis of the adjusting ring (27).
5. The anti-sticking rotary joint of a coal mine drilling rig according to claim 1, characterized in that: The inner wall size of the sliding groove (21) is matched with the outer wall size of the limiting block (25), and the outer wall size of the fixing block (29) is matched with the inner wall size of the limiting groove (22).
6. The anti-sticking rotary joint of a coal mine drilling rig according to claim 2, characterized in that: The mounting mechanism (2) is provided with a sealing assembly (3), the sealing assembly (3) comprises a fixing groove (31), a fixing sleeve (32), a mounting groove (33), a sealing ring (34), a connecting groove (35) and a connecting block (36), the outer wall of the fixing sleeve (32) is provided with a fixing groove (31), the fixing groove (31) is internally provided with the fixing sleeve (32), the inner wall of the fixing ring (28) is provided with a mounting groove (33), the mounting groove (33) is internally provided with a sealing ring (34), the inner wall of the fixing ring (28) is provided with a connecting groove (35), and the outer wall of the connecting pipe (12) is fixedly provided with a connecting block (36).
7. The anti-sticking rotary joint of a coal mine drilling rig according to claim 6, characterized in that: The inner wall size of the fixing groove (31) is matched with the outer wall size of the fixing sleeve (32), and the inner wall size of the mounting groove (33) is matched with the outer wall size of the sealing ring (34).