Spiral dust exhaust pipe butt joint interface structure for dust exhaust device

Abstract

The utility model discloses a spiral dust discharge pipe butt joint interface structure for a dust discharge device, which comprises a first connecting ring and a second connecting ring, the first connecting ring and the second connecting ring are respectively and fixedly connected with the end parts of two sections of short spiral dust discharge pipes, and the end surface of the first connecting ring is vertically and fixedly connected with four limiting balls through four connecting columns; the four limiting balls are evenly arranged in the circumferential direction of the first connecting ring, four arc-shaped T-shaped grooves are formed in the end face of the second connecting ring, round holes are formed in the initial ends of the T-shaped grooves, and the diameter of the round holes is larger than that of the limiting balls. The four limiting balls are movably clamped into the four T-shaped grooves and then locked through locking screws. The butt joint interface structure is used for connecting the spiral dust discharge pipe, so that quick mounting and locking can be realized, the connection is stable and reliable, and more short pipes can be conveniently added to adapt to the excavation depth of a roadway in the roadway tunneling process.

Description

Technical Field

[0001] The utility model belongs to the technical field of dust removal devices, and in particular relates to a spiral dust removal pipe docking interface structure for a dust removal device. Background Art

[0002] During the excavation of metal mines, a large amount of dust is generated, and a fan + dust exhaust pipe is often used to extract the dust from the mine. In order to improve the dust removal effect, spiral dust exhaust pipes are used for dust removal in metal mining. When the excavation depth is long, the exhaust fan is not in place and the spiral dust exhaust pipe is not long enough. It is necessary to install multiple short spiral dust exhaust pipes to achieve the purpose of dust removal according to the increase in excavation depth. At present, spiral dust exhaust pipes are mostly connected by clamps, but the connection process is cumbersome, time-consuming and labor-intensive, and the connection stability is poor in the mine. Summary of the invention

[0003] The purpose of the utility model is to provide a spiral dust exhaust pipe docking interface structure for a dust exhaust device, so as to solve the problems that the current dust exhaust pipe docking process is cumbersome, time-consuming and labor-intensive, and the connection stability is poor in mines.

[0004] The technical solution adopted by the utility model is a spiral dust exhaust pipe docking interface structure for a dust exhaust device, the spiral dust exhaust pipe is formed by docking a plurality of short spiral telescopic pipes, a docking interface is arranged at the docking position of two adjacent short spiral telescopic pipes, the docking interface structure comprises a first connecting ring and a second connecting ring, the first connecting ring and the second connecting ring are respectively fixedly connected to the ends of the two short spiral telescopic pipes, the end face of the first connecting ring is vertically fixedly connected with four limiting balls through four connecting columns, the four limiting balls are evenly arranged along the circumference of the first connecting ring, the end face of the second connecting ring is provided with four arc-shaped T-slots, a circular hole is provided at the starting end of the T-slot, the diameter of the circular hole is larger than the diameter of the limiting ball, and after the four limiting balls are movably inserted into the four T-slots, axial limiting can be achieved under the blocking action of the T-slots; after the four limiting balls are movably inserted into the four T-slots, they are locked with locking screws.

[0005] Preferably, one end of the locking screw is hinged to the connecting ears on the outer edge of the first connecting ring, and the other end is inserted into the groove on the second connecting ring and locked with a nut.

[0006] Preferably, a sealing ring is provided between the first connecting ring and the second connecting ring.

[0007] Preferably, the first connecting ring and the second connecting ring are provided with hanging holes.

[0008] Compared with the prior art, the beneficial effect of the utility model is that the docking interface structure of the utility model can achieve quick installation and locking, the connection is stable and reliable, the operation is simple, and it is also convenient to install more short pipes to adapt to the excavation depth of the tunnel during tunnel excavation. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 is a schematic diagram of the interface structure;

[0010] Figure 2 is a schematic diagram of the structure of the first connecting ring;

[0011] Figure 3 Schematic diagram of the second connecting ring structure. DETAILED DESCRIPTION

[0012] The present invention will be further explained below in conjunction with the accompanying drawings to facilitate better understanding by those skilled in the art.

[0013] Example 1

[0014] like Figure 1-3 As shown, a spiral dust exhaust pipe docking interface structure for a dust exhaust device, the spiral dust exhaust pipe is formed by docking multiple short spiral telescopic pipes, and a docking interface structure is provided at the docking position of two adjacent short spiral telescopic pipes, the interface structure includes a first connecting ring 1601 and a second connecting ring 1602, the first connecting ring 1601 and the second connecting ring 1602 are respectively fixedly connected to the ends of the two short spiral telescopic pipes, the end face of the first connecting ring 1601 is vertically fixedly connected with four limiting balls 1604 through four connecting columns 1603, the four limiting balls 1604 are evenly arranged along the circumference of the first connecting ring 1601, and the end face of the second connecting ring 1602 is provided with There are four arc-shaped T-slots 1605, and a round hole 1606 is set at the starting end of the T-slot 1605. The diameter of the round hole 1606 is larger than the diameter of the limiting ball 1604. After the four limiting balls 1604 are movably inserted into the four T-slots 1605, they can achieve axial limitation under the blocking effect of the T-slot 1605; after the four limiting balls 1604 are movably inserted into the four T-slots 1605, they are locked with locking screws 1607. One end of the locking screw 1607 is hinged on the connecting ears 1608 on the outer edge of the first connecting ring 1601, and the other end is inserted into the slot 1609 on the second connecting ring 1602 and locked with a nut 1610. The docking interface structure of the present application can achieve rapid installation and locking, and the connection is stable and reliable. It is also convenient to install more short pipes to adapt to the excavation depth of the tunnel during tunnel excavation.

[0015] In order to improve the sealing performance, a sealing ring is arranged between the first connecting ring 1601 and the second connecting ring 1602; the hanging hole 1611 after the first connecting ring 1601 and the second connecting ring 1602 are installed facilitates the spiral telescopic pipe 2 to be hung on the top of one side of the tunnel.

[0016] The above-mentioned embodiments are only for describing the preferred implementation of the utility model, and are not intended to limit the scope of the utility model. Without departing from the design spirit and principle of the utility model, various modifications and improvements made by those skilled in the art to the technical solution of the utility model shall fall within the protection scope determined by the claims of the utility model.

Claims

1. A spiral dust exhaust pipe docking interface structure for a dust exhaust device, characterized in that: The invention comprises a first connecting ring (1601) and a second connecting ring (1602), wherein the first connecting ring (1601) and the second connecting ring (1602) are respectively fixedly connected to the ends of two short spiral telescopic tubes, and the end surface of the first connecting ring (1601) is vertically fixedly connected to four limiting balls (1604) through four connecting columns (1603), and the four limiting balls (1604) are evenly arranged along the circumference of the first connecting ring (1601), and the end surface of the second connecting ring (1602) is provided with Four arc-shaped T-slots (1605), a circular hole (1606) is provided at a starting end of the T-slot (1605), the diameter of the circular hole (1606) is larger than the diameter of the limiting ball (1604), and after the four limiting balls (1604) are movably inserted into the four T-slots (1605), axial limiting can be achieved under the blocking effect of the T-slots (1605); after the four limiting balls (1604) are movably inserted into the four T-slots (1605), they are locked by a locking screw (1607).

2. A spiral dust exhaust pipe docking interface structure for a dust exhaust device according to claim 1, characterized in that: One end of the locking screw (1607) is hinged to the connecting ears (1608) on the outer edge of the first connecting ring (1601), and the other end is inserted into the slot (1609) on the second connecting ring (1602) and then locked with a nut (1610).

3. The spiral dust exhaust pipe docking interface structure for a dust exhaust device according to claim 1, characterized in that: A sealing ring is provided between the first connecting ring (1601) and the second connecting ring (1602).

4. The spiral dust exhaust pipe docking interface structure for a dust exhaust device according to claim 1, characterized in that: The first connecting ring (1601) and the second connecting ring (1602) are provided with hanging holes (1611).

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