Mining tunnel hanging type air duct

Abstract

The utility model provides a hanging type air duct for a mine tunnel, which belongs to the field of tunnel ventilation equipment and comprises an air guide duct body, a hanging assembly and a butt joint assembly. A plurality of supporting rings are fixed to the surface of the air guide barrel at intervals. Butt-joint rings are installed at the two ends of each air guide barrel, a hinged support is installed on the surface of the butt-joint ring at one end in a surrounding mode, a hook is installed on the surface of the hinged support in a hinged mode, and a lock catch is installed on the surface of the butt-joint ring at the other end in a surrounding mode. The hook hinged to the surface of the butt joint ring at one end is connected with the lock catch on the surface of the butt joint ring at one end of the adjacent air guide barrel in a hanging mode, so that the two sections of air guide barrels are connected in a butt joint mode, and the torsional spring arranged at the hinged position of the hook and the hinged support plays a role in pushing the hook to be tightly connected with the lock catch in a hanging mode and preventing the hook from being separated from the lock catch due to stress. An iron wire fixing mode is replaced, and mounting and dismounting are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel ventilation equipment field, concretely to a mine tunnel hanging type air duct. BACKGROUND

[0002] The air duct refers to the main wind guide device for local ventilation, and according to the different manufacturing materials, there are flexible air ducts such as canvas, artificial leather, plastic and rubber and metal air ducts made of iron sheet and aluminum plate, the flexible air duct is light in weight, and connection and suspension are very simple, but the ventilation resistance is large, the metal air duct has small ventilation resistance, but occupies larger shaft and roadway sectional area, the air duct is ventilation equipment designed for coal mines, tunnels and other underground engineering, and its main function is to provide necessary air flow for underground operation to ensure the air quality of operation environment, discharge harmful gas, provide fresh air for operation personnel, and also play an important lifesaving role in emergency situations such as fire, the existing air duct is fixed by adopting iron wire to tighten after sleeving two sections of air duct during installation, the butt joint mode is relatively cumbersome to operate, a plurality of tools need to be carried during installation, the burden of construction personnel is increased, and subsequent replacement and disassembly are time-consuming. SUMMARY

[0003] The utility model discloses a mine tunnel hanging type air duct to solve the problem that the existing air duct is fixed by adopting iron wire to tighten after sleeving two sections of air duct during installation, the butt joint mode is relatively cumbersome to operate, a plurality of tools need to be carried during installation, the burden of construction personnel is increased, and subsequent replacement and disassembly are time-consuming.

[0004] To achieve the above object, the utility model provides the following technical scheme: a mine tunnel hanging type air duct, including air duct body, hoisting assembly and butt joint assembly,

[0005] Among them: the surface of air duct body is fixed with a plurality of support rings at intervals;

[0006] The hoisting assembly includes a first hoop ring arranged at the bottom of the support ring at intervals, the top of the support ring is provided with a second hoop ring, the two ends of the first hoop ring and the second hoop ring are connected with a connecting piece, the surface of the connecting piece is fixedly connected through a connecting bolt, the top end of the second hoop ring is hingedly connected with a connecting rod, the top of the connecting rod is hingedly connected with a mounting plate, and the two ends of the mounting plate are connected with a hoisting rod;

[0007] The butt joint assembly includes a butt joint ring installed at both ends of the air duct body, a hinged support is installed around the surface of the butt joint ring at one end, a hook is hingedly installed on the surface of the hinged support, a torsional spring is arranged at the hinged connection between the hook and the hinged support, a plurality of locks are installed around the surface of the butt joint ring at the other end, and the hook is hung with the lock.

[0008] As one preferred scheme of the utility model, the inner wall of the first and second hoop rings is provided with a groove.

[0009] As one preferred scheme of the utility model, the front end surface of the hook and the lock catch is designed as a corresponding bevel surface.

[0010] As one preferred scheme of the utility model, the surface of the butt joint ring is further provided with a handle.

[0011] As one preferred scheme of the utility model, one end of the air guide cylinder body is further connected with a lead-in sleeve, the lead-in sleeve is inserted into the adjacent air guide cylinder body and the embedding depth is not less than 5cm.

[0012] As one preferred scheme of the utility model, the surface of the first hoop ring, the second hoop ring, the mounting plate and the hoisting rod is sprayed with an anticorrosive coating.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] (1) the two ends of the air guide cylinder body are provided with butt joint rings, the surface of one end of the butt joint rings is surrounded with a hinged support, the surface of the hinged support is hingedly provided with a hook, the surface of the other end of the butt joint rings is surrounded with a lock catch, when two adjacent air guide cylinder bodies are butted, the hook hingedly connected to the surface of one end of the butt joint rings is hung with the lock catch on the surface of the other end of the butt joint rings of the adjacent air guide cylinder body, so that the two air guide cylinder bodies are connected, the hinged connection between the hook and the hinged support is provided with a torsion spring to push the hook and the lock catch to be closely hung, preventing the hook from being separated from the lock catch under stress, the structure is convenient for connecting the air guide cylinder bodies and replaces the iron wire fixing mode, facilitating installation and dismounting;

[0015] (2) the bottom of the support ring is provided with a first hoop ring, the top of the support ring is provided with a second hoop ring, the inner wall of the first and second hoop rings is provided with a groove, the first and second hoop rings are clamped on the surface of the support ring and embedded in the groove, so that the two hoop rings are closely combined with the support ring, the first and second hoop rings are fixedly connected through the connecting bolts on the surfaces of the connecting pieces at the two ends, the top of the second hoop ring is hingedly provided with a connecting rod, the top of the connecting rod is hingedly provided with a mounting plate, and the mounting plate is fixed on the top of the tunnel through the hoisting rods at the two ends. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of the utility model;

[0017] Figure 2 It is the hoisting assembly structure schematic view of the utility model;

[0018] Figure 3 It is the butt joint assembly structure schematic view of the utility model;

[0019] Figure 4 The drawing shows the installation structure of the guide sleeve of the utility model.

[0020] In the drawing: 1, air guide cylinder; 2, support ring; 3, hoisting assembly; 31, first hoop ring; 32, second hoop ring; 33, connecting plate; 34, connecting bolt; 35, connecting rod; 36, mounting plate; 37, hoisting rod; 4, butt joint assembly; 41, butt joint ring; 42, hinged support; 43, hook; 44, torsional spring; 45, lock catch; 5, groove; 6, handle; 7, guide sleeve. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be described clearly and completely below in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 A mine tunnel hanging type air duct, comprising: an air guide cylinder 1, a hoisting assembly 3 and a butt joint assembly 4; the surface of the air guide cylinder 1 is fixed with a plurality of support rings 2 at intervals;

[0023] Please refer to Figure 1 , Figure 2 The hoisting assembly 3 comprises a first hoop ring 31 arranged at the bottom of the support ring 2 at intervals, the top of the support ring 2 is provided with a second hoop ring 32, the two ends of the first hoop ring 31 and the second hoop ring 32 are connected with a connecting plate 33, the surface of the connecting plate 33 is fixedly connected through a connecting bolt 34, the top end of the second hoop ring 32 is hingedly installed with a connecting rod 35 in the middle, the top of the connecting rod 35 is hingedly connected with a mounting plate 36, and the two ends of the mounting plate 36 are connected with a hoisting rod 37.

[0024] Specific use: the bottom of the support ring 2 is provided with a first hoop ring 31, the top of the support ring 2 is provided with a second hoop ring 32, the inner wall of the first hoop ring 31 and the second hoop ring 32 is provided with a groove 5, the first hoop ring 31 and the second hoop ring 32 are clamped on the surface of the support ring 2, the support ring 2 is embedded in the groove 5, so that the two hoop rings are closely attached to the support ring 2, the first hoop ring 31 and the second hoop ring 32 are fixedly connected by the connecting bolts 34 on the surface of the connecting plates 33 at both ends, the top of the second hoop ring 32 is hingedly connected with a connecting rod 35, the top of the connecting rod 35 is hingedly connected with a mounting plate 36, the hoisting rods 37 at both ends of the mounting plate 36 are fixed on the top of the tunnel, supplement: the second hoop ring 32 and the mounting plate 36 are hingedly connected through the connecting rod 35, so that the air duct body 1 can swing left and right and back and forth relative to the mounting plate 36, avoiding hard connection between structures and reducing the deflection stress of the mounting plate 36.

[0025] Please refer to Figure 1 , Figure 3 , the docking assembly 4 comprises a docking ring 41 mounted at both ends of the air duct body 1, one end of the docking ring 41 is provided with a hinge support 42 around the surface, the hinge support 42 is hingedly connected with a hook 43 on the surface, the hook 43 is provided with a torsion spring 44 at the hinge connection with the hinge support 42, and the other end of the docking ring 41 is provided with a plurality of locks 45 around the surface, the hook 43 is hung with the lock 45, and the inner wall of the first hoop ring 31 and the second hoop ring 32 is provided with a groove 5, and the support ring 2 is embedded in the groove 5.

[0026] Specific use: the two ends of the air duct body 1 are provided with a docking ring 41, one end of the docking ring 41 is provided with a hinge support 42 around the surface, the hinge support 42 is hingedly connected with a hook 43 on the surface, the other end of the docking ring 41 is provided with a lock 45 around the surface, when two adjacent air duct bodies 1 are docked, the hook 43 hingedly connected with the surface of one end of the docking ring 41 is hung with the lock 45 on the surface of the other end of the docking ring 41 of the adjacent air duct body 1, so that the two air duct bodies 1 are connected in docking, the hook 43 is provided with a torsion spring 44 at the hinge connection with the hinge support 42, which pushes the hook 43 and the lock 45 to be closely hung, preventing the hook 43 from being separated from the lock 45 under stress. This structure facilitates the connection of the air duct body 1, replaces the iron wire fixing method, and facilitates installation and disassembly.

[0027] Please refer to Figure 3 , the front end faces of the hook 43 and the lock 45 are designed as corresponding bevels.

[0028] Specific use: the front end faces of the hook 43 and the lock 45 are designed as corresponding bevels, so that when the hook 43 and the lock 45 are in close contact in docking, the hook 43 can be lifted and hung in the lock 45 by itself.

[0029] Please refer to Figure 1 , the surface of the docking ring 41 is also provided with a handle 6.

[0030] Specific use: the handle 6 mounted on the surface of the docking ring 41 is convenient for hand operation during docking.

[0031] Please refer to Figure 1 , Figure 4 , the air duct body 1 is also connected with a guide sleeve 7, which is inserted into the adjacent air duct body 1 and the embedding depth is not less than 5cm.

[0032] Specific use: the air duct body 1 is connected with a guide sleeve 7, which is inserted into the adjacent air duct body 1 and the embedding depth is not less than 5cm, so as to avoid air leakage at the docking position.

[0033] Please refer to Figure 2 , the first hoop ring 31, the second hoop ring 32, the mounting plate 36 and the lifting rod 37 are all sprayed with anticorrosive coating.

[0034] Specific use: the first hoop ring 31, the second hoop ring 32, the mounting plate 36 and the lifting rod 37 are all sprayed with anticorrosive coating, so as to have good corrosion resistance in the tunnel.

[0035] When the two adjacent air duct bodies 1 are docked, the hook 43 hinged on the surface of the one end docking ring 41 is hung with the lock 45 on the surface of the one end docking ring 41 of the adjacent air duct body 1, so that the two air duct bodies 1 are connected, the hinge between the hook 43 and the hinge support 42 is provided with a torsion spring 44 to push the hook 43 and the lock 45 to be hung tightly, preventing the hook 43 from being separated from the lock 45 under stress. The structure is convenient for connecting the air duct body 1, instead of using iron wire fixing method, which is convenient for installation and disassembly.

[0036] The contents not described in detail in the description belong to the prior art known by the person skilled in the art, although the utility model has been described in detail with reference to the foregoing embodiments, the person skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A mine tunnel suspended air duct, characterized in that, Include: The surface of the air duct body (1) is fixed with several support rings (2); The lifting assembly (3) comprises a first hoop ring (31) arranged at the bottom of the support ring (2), the top of the support ring (2) is provided with a second hoop ring (32), the two ends of the first hoop ring (31) and the second hoop ring (32) are connected with connecting plates (33), the surfaces of the connecting plates (33) are fixedly connected through connecting bolts (34), the top end of the second hoop ring (32) is hingedly connected with a connecting rod (35), the top of the connecting rod (35) is hingedly connected with a mounting plate (36), the two ends of the mounting plate (36) are connected with lifting rods (37); The docking assembly (4) comprises a docking ring (41) mounted at both ends of the air duct body (1), one end of the docking ring (41) is surrounded by a hinged support (42), the surface of the hinged support (42) is hingedly connected with a hook (43), the hook (43) is provided with a torsion spring (44) at the hinged connection with the hinged support (42), the other end of the docking ring (41) is surrounded by a plurality of locks (45), and the hook (43) is hung with the lock (45).

2. A mine tunnel suspended air duct according to claim 1, characterized in that: The inner wall of the first hoop ring (31) and the second hoop ring (32) is provided with a groove (5), and the support ring (2) is embedded in the groove (5).

3. A mine tunnel suspended air duct according to claim 1, characterized in that: The front end surface of the hook (43) and the lock (45) is designed as a corresponding beveled surface.

4. A mine tunnel suspended air duct according to claim 1, characterized in that: The surface of the docking ring (41) is also provided with a handle (6).

5. A mine tunnel suspended air duct according to claim 1, characterized in that: One end of the air duct body (1) is also connected with a lead-in sleeve (7), the lead-in sleeve (7) is inserted into the adjacent air duct body (1) and the embedding depth is not less than 5cm.

6. A mine tunnel suspended air duct according to claim 1, characterized in that: The surfaces of the first hoop ring (31), the second hoop ring (32), the mounting plate (36) and the lifting rod (37) are sprayed with a corrosion-resistant coating.

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