A device for quickly reversing the edges of a wind tunnel

Abstract

The utility model discloses a device of quick reverse edge of air duct, including operating handle, operating handle one end connects limit head, and the other end fixed connection limit reverse edge board, and limit reverse edge board is arc plate shape with air duct outer wall matching, and both sides are inwards bent and form the recess, when operating, the part that needs to reverse edge of two air duct steel ring connecting place is folded and is clamped into the recess of air duct quick reverse edge device, makes air duct limit reverse edge board closely and air duct, and operating personnel hold operating handle through both hands, and pull air duct reverse edge device, so that two air duct connecting place need to complete limit reverse edge to reverse edge part.

Description

Technical Field

[0001] This utility model belongs to the field of coal mine machinery technology, specifically relating to a device for rapid reversing of the side of a ventilation duct. Background Technology

[0002] Currently, when installing ventilation ducts underground, some mine workers need to reverse the excess part of the ventilation duct. However, due to factors such as unsuitable tools, the reversal of the ventilation duct is arbitrary, lacks standards, and the quality of the reversal is unqualified, which may even affect the operation of the ventilation duct, causing air leakage and affecting the normal air supply operation of the ventilation duct. Utility Model Content

[0003] The purpose of this invention is to provide a device for quickly reversing the edges of a ventilation duct, reducing the inconvenience caused by manually reversing the edges with fingers, improving the efficiency and standard of reversing, and ensuring the normal operation of the ventilation duct.

[0004] The technical solution adopted by this utility model is a device for quick reversing of the edge of a wind duct, including an operating handle. One end of the operating handle is connected to a limiting head, and the other end is fixedly connected to a limiting reversing plate. The limiting reversing plate is an arc-shaped plate that matches the outer wall of the wind duct, and both sides are bent inward to form grooves.

[0005] Preferably, the central angle of the aforementioned limiting reverse side plate is 60°, and the operating handle is located in the center of the limiting reverse side plate with a length of 70mm.

[0006] Preferably, the width of the aforementioned limiting reverse side plate is 100mm.

[0007] Preferably, the groove is 20mm wide and 15mm long.

[0008] Compared to existing technologies, the advantages of this invention are that, during the installation of mine ventilation ducts, the portion of the steel rings of the two ventilation ducts that needs to be reversed at the connection point is folded and inserted into the arc-shaped groove of the quick-reversing device, ensuring that the limiting reversing plate of the ventilation duct fits tightly against the duct. The operator then holds the operating handle with both hands and pulls the reversing device to complete the reversing of the portion of the connection point between the two ventilation ducts. This invention has a simple structure and is easy to operate, achieving rapid reversing of the ventilation duct, improving reversing quality and work efficiency, while ensuring consistency of the reversing, which helps reduce the air leakage rate of the ventilation duct and ensures normal ventilation operation. Attached Figure Description

[0009] Figure 1 A side view of the device for quickly reversing the edge of the air duct; Figure 2 This is the front view of the device for quickly reversing the edge of the air duct; Figure 3 This is a top view of the device for quickly reversing the edge of the air duct. Detailed Implementation

[0010] The present invention will be further explained below with reference to the accompanying drawings to enable those skilled in the art to better understand it. Example

[0011] like Figure 1-3 As shown, a device for quickly reversing the edge of a ventilation duct includes an operating handle 1, a limiting reversing plate 2, and a limiting head 3, all made of steel with sufficient strength. The operating handle 1 is cylindrical and 70mm long, allowing for hand space without being too long to increase torque. One end of the operating handle 1 is connected to the limiting head 3, which is circular to prevent the hands from slipping during operation. The other end of the operating handle 1 is fixedly connected to the limiting reversing plate 2, which is an arc-shaped plate that matches the outer wall of the ventilation duct, with both sides bent inward to form grooves 4. During operation, the part of the two ventilation duct steel rings that needs to be reversed is folded and inserted into the groove of the quick reversing device, so that the limiting reversing plate fits tightly against the ventilation duct. The operator holds the operating handle with both hands and pulls the device to complete the reversing of the part of the two ventilation ducts that needs to be reversed. This technology enables rapid reversing of the ventilation duct, solving problems such as non-standard reversing, poor reversing quality, and impact on air supply caused by factors such as the number of workers, working environment, and tools used.

[0012] Furthermore, the central angle of the aforementioned limiting reverse side plate 2 is 60°, which is conducive to fitting the air duct. The operating handle 1 is located in the center of the limiting reverse side plate 2, which is conducive to applying force evenly during operation.

[0013] Furthermore, the aforementioned limiting reverse edge plate 2 has a width of 100mm, a groove width of 20mm, and a length of 15mm. This standardizes the reverse edge, improves the consistency of the duct reverse edges, effectively solves the problem of non-standard reverse edge lengths, and improves the quality of the duct reverse edges.

[0014] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from its design spirit and principles should fall within the protection scope defined by the claims of the present invention.

Claims

1. A device for rapidly reversing the edge of a ventilation duct, characterized in that, It includes an operating handle (1), one end of which is connected to a limiting head (3), and the other end is fixedly connected to a limiting reverse side plate (2). The limiting reverse side plate (2) is an arc-shaped plate that matches the outer wall of the air duct, and both sides are bent inward to form a groove (4).

2. The device for rapid reverse side reversal of a ventilation duct according to claim 1, characterized in that, The central angle of the limiting reverse side plate (2) is 60°, and the operating handle (1) is set in the center of the limiting reverse side plate (2) with a length of 70mm.

3. The device for rapid reversing of the side of a ventilation duct according to claim 1, characterized in that, The width of the limiting reverse side plate (2) is 100mm.

4. The device for rapid reverse side reversal of a ventilation duct according to claim 1, characterized in that, The groove (4) has a width of 20mm and a length of 15mm.

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