CN216767444U - Anti-falling device for high-pressure liquid inlet pipeline of hydraulic support - Google Patents

Abstract

The utility model relates to the technical field of hydraulic supports, in particular to an anti-falling device for a high-pressure liquid inlet pipeline of a hydraulic support, which comprises a liquid inlet pipe assembly and two pipe bank assemblies, wherein the two pipe bank assemblies are respectively and fixedly connected with two ends of the liquid inlet pipe assembly; the liquid inlet pipe assembly comprises a steel pipe and a joint, the two ends of the steel pipe are fixedly connected with the joint respectively, two lug plates symmetrically arranged are welded at the bottom of the steel pipe, and first wire holes are formed in the lug plates. The liquid inlet pipe assembly and the pipe row assembly are respectively welded with the lug plate and the bottom plate, the lug plate and the bottom plate are connected through the steel wire, when the liquid inlet pipe assembly falls off, the steel wire can prevent the liquid inlet pipe assembly from falling off, safety is improved, and meanwhile, the first semi-ring and the second semi-ring tightly press the sealing ring through rotating the anti-slip sleeve, so that sealing effect is improved, and falling risk is reduced.

Description

Anti-falling device for high-pressure liquid inlet pipeline of hydraulic support

Technical Field

The utility model relates to the technical field of hydraulic supports, in particular to an anti-falling device for a high-pressure liquid inlet pipeline of a hydraulic support.

Background

The hydraulic support is a structure used for controlling the mine pressure of the coal face. The mining face mine pressure acts on the hydraulic support in the form of external load. In the mechanical system of the interaction of the hydraulic support and the mining face surrounding rock, if the resultant force of all the supporting pieces of the hydraulic support and the resultant force of the external load of the top plate acting on the hydraulic support are exactly in the same straight line, the hydraulic support is very suitable for the mining face surrounding rock. When the liquid inlet pipe DN50S high-pressure pipe row of the hydraulic support is used, the tensile strength of a welding seam is not lower than 490MPA, and the welding seam is pressed under the pressure of 47MPA and cannot leak.

In the actual use, U type card, rubber tube and rubber tube joint intensity can cause high pressure feed liquor pipe DN50S pipeline to drop along with use intensity decline, injures the staff easily by a crashing object, has very big potential safety hazard.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the anti-falling device for the high-pressure liquid inlet pipeline of the hydraulic support, which overcomes the defects of the prior art and aims to solve the problems that the pipeline of the high-pressure liquid inlet pipeline DN50S falls off and workers are easily injured by pounding due to the fact that the strength of a U-shaped clamp, a rubber pipe and a rubber pipe joint is reduced along with the use strength in the actual use process.

In order to achieve the purpose, the utility model provides the following technical scheme: the anti-drop device for the high-pressure liquid inlet pipeline of the hydraulic support comprises two liquid inlet pipe assemblies and two pipe array assemblies, wherein the two pipe array assemblies are fixedly connected with two ends of the liquid inlet pipe assemblies respectively;

the liquid inlet pipe assembly comprises a steel pipe and a joint, wherein two ends of the steel pipe are respectively and fixedly connected with the joint, two symmetrically arranged lug plates are welded at the bottom of the steel pipe, and first wire holes are formed in the lug plates;

wherein, the bank of tubes subassembly includes connecting pipe, external screw thread, thread bush, first semi-ring, hinge and second semi-ring, the one end of connecting the pipe is inserted the inside of joint, the external screw thread set up in on the connecting pipe, the thread bush passes through external screw thread threaded connection in on the connecting pipe, first semi-ring passes through the hinge with the second semi-ring is articulated mutually, first semi-ring with hinge sliding connection in the connecting pipe outside, the bottom welding of second semi-ring has the bottom plate, the second line hole has been seted up on the bottom plate.

As a preferable technical scheme of the utility model, a limiting strip is welded at the center of the top of the connecting pipe, and the first half ring is connected with the limiting strip in a sliding manner.

As a preferable technical solution of the present invention, the joint is provided with a first interface, and one end of the connecting pipe inserted into the joint is provided with a second interface.

As a preferred technical scheme of the utility model, the bottom of the steel pipe is fixedly connected with a fixing piece, and the fixing piece is provided with a fixing hole.

As a preferred technical scheme of the utility model, the anti-skid sleeve is bonded on the threaded sleeve, and the sealing ring is bonded on the connecting pipe.

As a preferable technical solution of the present invention, fixing pieces are welded to one side of each of the first half ring and the second half ring, and the two fixing pieces are fixedly connected by a fixing bolt.

Compared with the prior art, the utility model has the beneficial effects that:

the lug plate and the bottom plate are welded on the liquid inlet pipe assembly and the pipe row assembly respectively, the lug plate and the bottom plate are connected through the steel wire, when the liquid inlet pipe assembly falls off, the steel wire can prevent the liquid inlet pipe assembly from falling off, safety is improved, and meanwhile, the first semi-ring and the second semi-ring tightly extrude the sealing ring through the rotating anti-skidding sleeve, so that sealing effect is improved, and falling risk is reduced.

Drawings

FIG. 1 is a schematic top view of an anti-dropping device for a high-pressure liquid inlet pipeline of a hydraulic support according to the present invention;

FIG. 2 is a front view of the tube bank assembly of the present invention;

fig. 3 is a front view of the inlet pipe assembly of the present invention.

In the figure: 1. a liquid inlet pipe assembly; 2. a tube bank assembly; 11. a steel pipe; 12. a joint; 13. a first interface; 14. a fixing member; 15. a fixing hole; 21. connecting pipes; 22. an external thread; 23. a threaded sleeve; 24. an anti-slip sleeve; 25. a limiting strip; 26. a first half ring; 27. a hinge; 28. a second half ring; 29. a fixing sheet; 210. fixing the bolt; 211. a second interface; 212. a seal ring; 31. an ear plate; 32. a first wire hole; 33. a base plate; 34. a second wire hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an anti-drop device for a high-pressure liquid inlet pipeline of a hydraulic support comprises a liquid inlet pipe assembly 1 and two pipe array assemblies 2, wherein the two pipe array assemblies 2 are respectively fixedly connected with two ends of the liquid inlet pipe assembly 1; the liquid inlet pipe assembly 1 is communicated with the pipe row assembly 2 for conducting hydraulic liquid.

Specifically, referring to fig. 3, the liquid inlet pipe assembly 1 includes a steel pipe 11 and a joint 12, two ends of the steel pipe 11 are respectively and fixedly connected with the joint 12, the joint 12 is used for connecting the pipe bundle assembly 2, two symmetrically arranged ear plates 31 are welded at the bottom of the steel pipe 11, a first wire hole 32 is formed in each ear plate 31, and a steel wire is wound in each first wire hole 32 of each ear plate 31;

specifically, referring to fig. 1-3, the pipe row assembly 2 includes a connecting pipe 21, an external thread 22, a threaded sleeve 23, a first half ring 26, a hinge 27 and a second half ring 28, one end of the connecting pipe 21 is inserted into the connector 12, the external thread 22 is disposed on the connecting pipe 21, the threaded sleeve 23 is screwed on the connecting pipe 21 through the external thread 22, an anti-slip sleeve 24 is adhered on the threaded sleeve 23, the first half ring 26 and the second half ring 28 can be opened to be detached from the connecting pipe 21 for easy detachment, when in use, the anti-slip sleeve 24 is rotated, the threaded sleeve 23 is screwed on the connecting pipe 21 to slowly move to the left side to press the first half ring 26 and the second half ring 28 to press the sealing ring 212, thereby improving the sealing effect of the sealing ring 212, the sealing ring 212 is adhered on the connecting pipe 21, the first half ring 26 is hinged to the second half ring 28 through the hinge 27, the first half ring 26 is slidably connected to the outer side of the connecting pipe 21 with the hinge 27, the bottom welding of second semi-ring 28 has bottom plate 33, has seted up second line hole 34 on the bottom plate 33, and second line hole 34 is passed to the one end of the steel wire on the otic placode 31, and the duplex winding is established on bottom plate 33, and bottom plate 33 and otic placode 31 pass through the steel wire line connection, and when inlet tube subassembly 1 drops, the steel pipe 11 can be held to the steel wire line, prevents it and drops, and the top center welding of even pipe 21 has spacing 25, first semi-ring 26 and spacing 25 sliding connection.

Specifically, referring to fig. 1 and 2, a first connector 13 is disposed on the connector 12, a second connector 211 is disposed at one end of the connecting pipe 21 inserted into the connector 12, the first connector 13 is matched with the second connector 211, and a pin rod is inserted into the first connector 13 and the second connector 211 for assisting in connecting the steel pipe 11 and the connecting pipe 21.

Specifically, referring to fig. 3, a fixing member 14 is fixedly connected to the bottom of the steel pipe 11, and a fixing hole 15 is formed in the fixing member 14, so that the steel pipe 11 can be fixed by the fixing member 14.

Specifically, referring to fig. 1 and 2, fixing plates 29 are welded to one side of the first half ring 26 and one side of the second half ring 28, and the two fixing plates 29 are fixedly connected by a fixing bolt 210 for closing and locking the first half ring 26 and the second half ring 28.

The working principle is as follows: first semi-ring 26 and second semi-ring 28 can open to dismantle from connecting pipe 21, the dismouting of being convenient for, in use, rotatory antiskid cover 24, because thread bush 23 and connecting pipe 21 threaded connection, make thread bush 23 slowly to the left side removal, and then extrude first semi-ring 26 and second semi-ring 28, extrusion sealing ring 212, thereby improve the sealed effect of sealing ring 212, around being equipped with the steel wire line in the first line hole 32 of otic placode 31, the one end of the steel wire line on the otic placode 31 passes second line hole 34, and establish on bottom plate 33, bottom plate 33 and otic placode 31 pass through the steel wire line and connect, when inlet pipe subassembly 1 drops, the steel wire line can be held steel pipe 11, prevent it from dropping.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a hydraulic support high pressure anticreep device for feed liquor pipeline, includes feed liquor pipe assembly (1) and bank of tubes subassembly (2), its characterized in that: the number of the tube bank components (2) is two, and the two tube bank components (2) are respectively and fixedly connected with two ends of the liquid inlet tube component (1);

the liquid inlet pipe assembly (1) comprises a steel pipe (11) and a joint (12), two ends of the steel pipe (11) are fixedly connected with the joint (12) respectively, two symmetrically-arranged ear plates (31) are welded at the bottom of the steel pipe (11), and first line holes (32) are formed in the ear plates (31);

the pipe row component (2) comprises a connecting pipe (21), an external thread (22), a thread bushing (23), a first half ring (26), a hinge (27) and a second half ring (28), one end of the connecting pipe (21) is inserted into the connector (12), the external thread (22) is arranged on the connecting pipe (21), the thread bushing (23) is connected to the connecting pipe (21) through the external thread (22) in a threaded mode, the first half ring (26) is hinged to the second half ring (28) through the hinge (27), the first half ring (26) is connected to the outer side of the connecting pipe (21) in a sliding mode through the hinge (27), a bottom plate (33) is welded to the bottom of the second half ring (28), and a second line hole (34) is formed in the bottom plate (33).

2. The anti-drop device for the high-pressure liquid inlet pipeline of the hydraulic support according to claim 1, is characterized in that: the top center welding of connecting pipe (21) has spacing strip (25), first semi-ring (26) with spacing strip (25) sliding connection.

3. The anti-drop device for the high-pressure liquid inlet pipeline of the hydraulic support according to claim 1, is characterized in that: the connector (12) is provided with a first interface (13), and one end of the connecting pipe (21) inserted into the connector (12) is provided with a second interface (211).

4. The anti-drop device for the high-pressure liquid inlet pipeline of the hydraulic support according to claim 1, is characterized in that: the bottom of the steel pipe (11) is fixedly connected with a fixing piece (14), and a fixing hole (15) is formed in the fixing piece (14).

5. The anti-drop device for the high-pressure liquid inlet pipeline of the hydraulic support according to claim 1, is characterized in that: the anti-skidding sleeve (24) is bonded on the threaded sleeve (23), and the sealing ring (212) is bonded on the connecting pipe (21).

6. The anti-drop device for the high-pressure liquid inlet pipeline of the hydraulic support according to claim 1, is characterized in that: fixing plates (29) are welded on one sides of the first half ring (26) and the second half ring (28), and the two fixing plates (29) are fixedly connected through fixing bolts (210).

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