Universal joint for mine pipeline connection

Abstract

The utility model relates to the field of universal joints, in particular to a universal joint for mine pipeline connection, which comprises a main pipe, a ring sleeve, an auxiliary pipe, a circular rotating head, a connecting block and a separation blade. The butt joint angle of the auxiliary pipe is adjusted through free rotation of the circular rotating head along the interior of the ring sleeve, so that the auxiliary pipe is close to a right-angle butt joint position, a larger angle adjusting range is achieved, a pipeline can be helped to adapt to the mine environment with complex terrains and limited space, installation difficulty caused by angle limitation is reduced, and the service life of the pipeline is prolonged. The connecting flexibility is improved, the angle adjusting range is widened, the pipelines can be prevented from being limited by sites through the circular rotating head, connection is rapidly completed during right-angle butt joint, and the connecting efficiency of pipeline construction is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of universal joint, especially relates to the universal joint for mine pipeline connection. BACKGROUND

[0002] The mine pipeline is a special pipeline system used in mine construction and production process, mainly used for conveying liquid, gas, ore pulp or solid material, etc., and it is an important component indispensable in mine engineering, and is widely used in ventilation, drainage, gas drainage, ore pulp conveying, water supply, gas supply and other systems, the universal joint for mine pipeline connection is a special fitting used for connecting mine pipeline, can realize flexible connection between pipelines, and allow the pipeline to rotate freely and adjust the angle within a certain range, and the joint is widely used in the pipeline systems such as ventilation, drainage and gas drainage of mine, especially suitable for the scene that needs to frequently adjust the direction of pipeline or cope with complex terrain.

[0003] The existing universal joint, in the process of using, the adjustable angle range of the joint is usually small, it is difficult to realize the right angle adjustment of ninety degrees, which leads to the pipeline layout being limited in complex terrain, so that the pipeline cannot be flexibly adjusted in direction, increases the construction difficulty and installation time, and reduces the overall connection effect.

[0004] Therefore, in view of the above-mentioned existing universal joint, the adjustable angle range of the joint is usually small, it is difficult to realize the right angle adjustment of ninety degrees, which leads to the pipeline layout being limited in complex terrain, so that the pipeline cannot be flexibly adjusted in direction, increases the construction difficulty and installation time, and reduces the overall connection effect, the universal joint for mine pipeline connection is designed, the circular rotary head is used to freely rotate and adjust the butt joint angle of the secondary pipe inside the ring sleeve, so that it approaches the butt joint position of the right angle, a larger angle adjustment range is realized, the complex terrain and the mine environment with limited space are adapted, the installation difficulty caused by angle limitation is reduced, and the connection flexibility and angle adjustment range are improved. SUMMARY

[0005] In order to overcome the problem that the existing universal joint is difficult to realize the right angle adjustment of ninety degrees, which leads to the pipeline layout being limited in complex terrain, so that the pipeline cannot be flexibly adjusted in direction, increases the construction difficulty and installation time, and reduces the overall connection effect.

[0006] The technical scheme of the utility model is as follows: the universal joint for mine pipeline connection, including main pipe, ring sleeve, secondary pipe, circular rotary head, connecting block, baffle, the one end of main pipe is welded with ring sleeve, ring sleeve is located with main pipe, the inside of ring sleeve is movably provided with circular rotary head, the inside of circular rotary head is provided with a plurality of groups of water outlet holes, the outer end of circular rotary head is fixed with secondary pipe on the side away from water outlet hole, secondary pipe is located with circular rotary head, the inside of ring sleeve is provided with movable groove containing secondary pipe.

[0007] As preferred, the outer wall of the ring sleeve is symmetrically welded with connecting blocks, the outer ends of the connecting blocks are respectively provided with two groups of screws, the two groups of screws extend to the inside of the ring sleeve through the connecting blocks, one end of the screw is provided with a patch, and the patch is arranged in abutment with the circular rotating head.

[0008] As preferred, the inside of the circular rotating head is mounted with a connecting rod, the two ends of the connecting rod extend to the outside through the circular rotating head and the ring sleeve, the inside of the circular rotating head and the ring sleeve is provided with a rotating hole for accommodating the connecting rod, one end of the connecting rod is welded with a baffle, and the baffle is arranged in abutment with the inner wall of the circular rotating head.

[0009] As preferred, the two ends of the connecting rod are respectively provided with guide grooves, and the two ends of the connecting rod are sleeved with limiting nuts on the outer wall of the ring sleeve.

[0010] As preferred, the inside of the ring sleeve is mounted with a sealing plate on one side of the circular rotating head, the outer end of the sealing plate is symmetrically welded with a positioning plate, the inside of the positioning plate is provided with a plurality of groups of bolts, the outer end of the ring sleeve is provided with a threaded hole for accommodating the bolts, and the positioning plate is threadedly fixed with the ring sleeve through the plurality of groups of bolts.

[0011] As preferred, the upper end of the ring sleeve is symmetrically provided with a sealing strip, the ring sleeve is arranged in abutment with the circular rotating head through the sealing strip, the inside of the rotating hole is mounted with a sealing rubber ring, and the outer wall of the baffle is fixed with a sealing ring, and the baffle is arranged in abutment with the inner wall of the circular rotating head through the sealing ring.

[0012] As preferred, one end of the main pipe and the auxiliary pipe is welded with a butt joint disc, and the inside of the butt joint disc is annularly provided with a plurality of groups of connecting holes.

[0013] The utility model discloses the beneficial effect:

[0014] Compared with the traditional universal joint, the butt joint angle of the auxiliary pipe is adjusted by rotating the circular rotating head along the inside of the ring sleeve, so that the auxiliary pipe approaches the butt joint position of the right angle, the angle adjustment range is realized, the pipeline can adapt to the complex terrain and the mine environment of the limited space, the installation difficulty caused by the angle limitation is reduced, the connection flexibility and the angle adjustment range are improved, and the pipeline is prevented from being limited by the site by using the circular rotating head. When the right angle butt joint is carried out, the connection is quickly completed, and the connection efficiency of the pipeline construction is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The whole structure schematic diagram of the utility model discloses the mine pipeline connection is shown as a universal joint;

[0016] Figure 2 The sealing plate structure schematic diagram of the utility model discloses the mine pipeline connection is shown as a universal joint;

[0017] Figure 3The utility model discloses a mine pipeline connection universal joint circular rotary head structure schematic diagram is shown.

[0018] Figure 4 The utility model discloses a mine pipeline connection universal joint baffle structure schematic diagram is shown.

[0019] Mark explanation: 1, main pipe, 2, ring cover, 3, branch pipe, 4, circular rotary head, 5, connecting block, 6, connecting rod, 7, baffle, 8, limit nut, 9, sealing plate, 10, positioning plate, 11, sealing strip, 12, sealing ring, 13, butt joint disc. Specific implementation

[0020] The utility model is further explained below in connection with the drawings and examples.

[0021] Please refer to Figures 1-4 The utility model provides a kind of embodiment: mine pipeline connection universal joint, including main pipe 1, ring cover 2, branch pipe 3, circular rotary head 4, connecting block 5, baffle 7, one end of main pipe 1 is welded with ring cover 2, ring cover 2 is communicated with main pipe 1 setting, the inside movable of ring cover 2 is equipped with circular rotary head 4, the inside of circular rotary head 4 is equipped with several groups of water outlet hole, the outer end of circular rotary head 4 is fixed with branch pipe 3 on the side away from water outlet hole, branch pipe 3 is communicated with circular rotary head 4 setting, the inside of ring cover 2 is equipped with the movable groove of accommodating branch pipe 3.

[0022] Please refer to Figures 1-3 In the embodiment, the outer wall of ring cover 2 is symmetrically welded with connecting block 5, the outer end of connecting block 5 is equipped with two groups of screws, two groups of screws extend to ring cover 2 inside through connecting block 5, the end of screw is equipped with patch, patch is attached with circular rotary head 4 setting, by adopting two groups of screw connection patch, after circular rotary head 4 rotation, patch is attached limit, so that circular rotary head 4 can be reliably fixed after completing angle adjustment, prevent loosening due to fluid pressure in pipeline or external vibration, guarantee the stable transmission of water flow, the inside of circular rotary head 4 is installed with connecting rod 6, the both ends of connecting rod 6 extend to outside through circular rotary head 4 and ring cover 2, circular rotary head 4 and the inside of ring cover 2 are equipped with the rotating hole of accommodating connecting rod 6, one end of connecting rod 6 is welded with baffle 7, baffle 7 is attached with the inner wall of circular rotary head 4 setting, by adopting baffle 7 after circular rotary head 4 adjustment angle, closely attach the rest water outlet hole, effectively prevent fluid from leaking from the rest water outlet hole, improve the overall sealing property.

[0023] Please refer to Figures 2-3In the embodiment, the two ends of the connecting rod 6 are provided with guide grooves, the two ends of the connecting rod 6 are sleeved with limiting nuts 8 on the outer wall of the ring sleeve 2, the limiting nuts 8 are combined with the connecting rod 6 to fix the blocking piece 7, so that the shaking and leakage during sealing of the water outlet hole are prevented, the sealing performance and stability of the blocking piece 7 are enhanced, the sealing plate 9 is installed on one side of the circular rotating head 4 inside the ring sleeve 2, the outer end of the sealing plate 9 is symmetrically welded with a positioning plate 10, a plurality of groups of bolts are arranged inside the positioning plate 10, a threaded hole for accommodating the bolts is formed in the outer end of the ring sleeve 2, the positioning plate 10 is threadedly fixed with the ring sleeve 2 through the plurality of groups of bolts, the sealing plate 9 is used to assist the blocking piece 7 in sealing the remaining water outlet holes by abutting against the circular rotating head 4, the water outlet at one end of the circular rotating head 4 is ensured, and the stable transmission of the fluid is ensured.

[0024] Please refer to Figures 2-4 In the embodiment, the upper end of the ring sleeve 2 is symmetrically provided with a sealing strip 11, the ring sleeve 2 is arranged in abutment with the circular rotating head 4 through the sealing strip 11, a sealing rubber ring is installed in the rotating hole, a sealing ring 12 is fixed to the outer wall of the blocking piece 7, and the blocking piece 7 is arranged in abutment with the inner wall of the circular rotating head 4 through the sealing ring 12. By installing sealing materials at various connections, the small gap between the universal joint and the pipeline is effectively filled, leakage under high pressure or complex working conditions is prevented, the reliability of the connection is enhanced, and the main pipe 1 and one end of the auxiliary pipe 3 are both welded with a butt joint disc 13. A plurality of connecting holes are formed in the butt joint disc 13 in a ring shape, the butt joint disc 13 is used to assist the main pipe 1 in butt joint with the pipeline, more stable support and connection fixation are provided, connection loosening caused by pipeline vibration, pressure change or external force is effectively prevented, and the sealing performance of the pipeline connection is improved.

[0025] In the working process, first, the butt joint disc 13 at one end of the main pipe 1 is used to assist the main pipe 1 in butt joint with the mine pipeline, when the main pipe 1 is preliminarily installed, according to the angle of the pipeline installation, the circular rotating head 4 is used to connect the auxiliary pipe 3 for rotation adjustment, so that the auxiliary pipe 3 approaches the right-angle butt joint position, a larger angle adjustment range is realized, the pipeline can adapt to the complex terrain and the mine environment with limited space, the installation difficulty caused by angle limitation is reduced, the pipeline can be prevented from being limited by the site by using the circular rotating head 4, the connection is quickly completed when the pipeline is butt jointed at right angles, after the circular rotating head 4 is adjusted to a specified angle, two groups of screws are used to connect the patches in abutment with the limiting position after the rotation of the circular rotating head 4, so that the circular rotating head 4 can be reliably fixed after the angle adjustment is completed, loosening caused by the fluid pressure in the pipeline or external vibration is prevented, after the circular rotating head 4 is fixed by limiting, the connecting rod 6 is manually rotated, according to the guide grooves at the two ends of the connecting rod 6 during rotation adjustment, the position of the blocking piece 7 in the circular rotating head 4 is confirmed according to the guide grooves, so that the blocking piece 7 closely abuts against the remaining water outlet holes after the angle adjustment of the circular rotating head 4, and leakage of the fluid from the remaining water outlet holes is prevented.

[0026] After adjusting the connecting rod 6, use the limit nut 8 to connect the connecting rod 6 to fix the baffle 7, avoid being offset by water flow, secondly, install the sealing plate 9 away from the auxiliary pipe 3, use multiple groups of screws combined with the positioning plate 10 to fix the sealing plate 9, auxiliary baffle 7 seals the remaining water outlet hole, ensures the water outlet of one end of the circular rotating head 4, uses the sealing strip 11, sealing rubber ring and sealing ring 12 to install in the specified connection, fills the small gap between the universal joint and the pipeline, when the circular rotating head 4 is installed, uses the butt joint disc 13 at one end of the auxiliary pipe 3 to butt joint with the pipeline, provides more stable support and connection, realizes the 90 degree butt joint transmission of the mine pipeline.

[0027] Through the above steps, by using the circular rotating head 4 to freely rotate along the inside of the ring 2 to adjust the butt joint angle of the auxiliary pipe 3, the auxiliary pipe 3 approaches the right angle butt joint position, realizes a larger angle adjustment range, helps the pipeline to adapt to the complex terrain and space limited mine environment, reduces the installation difficulty caused by angle limitation, improves the connection flexibility and angle adjustment range, and uses the circular rotating head 4 to prevent the pipeline from being limited by the site, quickly completes the connection when making right angle butt joint, improves the connection efficiency of pipeline construction.

Claims

1. A universal joint for connecting mine pipes, comprising a main pipe (1); characterized in that: The utility model relates to a shower head, including ring (2), branch pipe (3), circular rotary head (4), connecting block (5), baffle (7), one end of main pipe (1) is welded with ring (2), ring (2) is communicated with main pipe (1) arrangement, the inside movable of ring (2) is equipped with circular rotary head (4), the inside ring of circular rotary head (4) is equipped with several groups of water outlet hole, the outer end of circular rotary head (4) is fixed with branch pipe (3) on the side away from water outlet hole, branch pipe (3) with circular rotary head (4) communication arrangement, the inside of ring (2) is equipped with the movable slot of accommodating branch pipe (3).

2. A universal joint for mine shaft pipe connections according to claim 1, characterised in that: The outer wall of ring (2) is symmetrically welded with connecting block (5), both ends of connecting block (5) are provided with two groups of screws, the two groups of screws extend to the inside of ring (2) through connecting block (5), one end of the screw is provided with a patch, and the patch is arranged in abutment with the circular rotary head (4).

3. A universal joint for mine shaft pipe connections according to claim 2, characterised in that: The inside of circular rotary head (4) is provided with a connecting rod (6), both ends of the connecting rod (6) extend to the outside through the circular rotary head (4) and the ring (2), the inside of the circular rotary head (4) and the ring (2) is provided with a rotating hole for accommodating the connecting rod (6), one end of the connecting rod (6) is welded with a baffle (7), and the baffle (7) is arranged in abutment with the inner wall of the circular rotary head (4).

4. A universal joint for mine shaft pipe connections according to claim 3, characterised in that: Both ends of the connecting rod (6) are provided with guide grooves, and both ends of the connecting rod (6) are provided with limiting nuts (8) on the outer wall of the ring (2).

5. The universal joint for mine conduit connections according to claim 1, characterized in that: The inside of the ring (2) is provided with a sealing plate (9) on one side of the circular rotary head (4), the outer end of the sealing plate (9) is symmetrically welded with a positioning plate (10), the inside of the positioning plate (10) is provided with a plurality of bolts, the outer end of the ring (2) is provided with a threaded hole for accommodating the bolt, and the positioning plate (10) is threadedly fixed with the ring (2) by the plurality of bolts.

6. The universal joint for mine conduit connections according to claim 4, characterised in that: The upper end of the ring (2) is symmetrically provided with a sealing strip (11), the ring (2) is arranged in abutment with the circular rotary head (4) through the sealing strip (11), a sealing rubber ring is installed in the rotating hole, a sealing ring (12) is fixed to the outer wall of the baffle (7), and the baffle (7) is arranged in abutment with the inner wall of the circular rotary head (4) through the sealing ring (12).

7. The universal joint for mine shaft pipe connections according to claim 1, characterized in that: Both ends of the main pipe (1) and the branch pipe (3) are welded with a butt joint disc (13), and the inside of the butt joint disc (13) is provided with a plurality of connecting holes.

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