CN207406545U - Underground local ventilating machine in coal mine silencer cover - Google Patents

Underground local ventilating machine in coal mine silencer cover Download PDF

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Publication number
CN207406545U
CN207406545U CN201721340229.5U CN201721340229U CN207406545U CN 207406545 U CN207406545 U CN 207406545U CN 201721340229 U CN201721340229 U CN 201721340229U CN 207406545 U CN207406545 U CN 207406545U
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China
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end cap
left end
right end
ready
inner cylinder
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Expired - Fee Related
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CN201721340229.5U
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Chinese (zh)
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高彦军
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Individual
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Individual
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Abstract

The utility model is related to a kind of silencing means, are in particular underground local ventilating machine in coal mine silencer covers.The purpose of this utility model is to provide underground local ventilating machine in coal mine silencer cover, including small ready-packaged joint, expands air port, hush pipe I, big ready-packaged joint and hush pipe II, the right end of the left end in the expansion air port by being welded to connect in small ready-packaged joint；The beneficial effects of the utility model are that can be fixed on Coal Mine Ventilator, by using being attached for ready-packaged joint, make the convenience of installation and removal all extremely, the connection mode connection of ready-packaged joint can also be utilized or reduce multiple silencing means, adjust the effect of noise reduction, the utility model makes the irregular flowing of air-flow using the screw on device and large-scale small sircle hole, reduce the concentration flowing of air-flow, reduce the vibrations of equipment, reduce noise, silencing cotton is provided in the utility model, the sound of reduction high-decibel that can be effectively.

Description

Underground local ventilating machine in coal mine silencer cover
Technical field
The utility model is related to a kind of silencing means, are in particular underground local ventilating machine in coal mine silencer covers.
Background technology
Silencing means is for air draft, exhaust equipment reduce the equipment of noise.Patent No. The centrifugal blower of CN201620284929.6 balance silencing means, the utility model disclose a kind of centrifugal blower balance noise reduction Device is related to mechanical equipment technical field.Balance out mixer including fuselage is peaceful, the balance silencing means is arranged on fuselage two Side；The fuselage roof has wind turbine slot, and both sides have balance silencing groove；The balance silencing means includes the first balance noise reduction Device and the second balance silencing means, the first balance silencing means and the second balance silencing means include side plate, gas bar Gentle bar slot, the side plate have gas bar slot, and the gas bar is arranged in gas bar slot.By the way that balance noise reduction is set to fill on fuselage Amplitude when putting to reduce fuselage shaking protects centrifugal blower to work steadily in the long term to a certain extent.But this noise reduction Device can not adjust the amplitude for reducing sound, and the noise reduction limitation played, and noise can not be greatly reduced.
Utility model content
The purpose of this utility model is to provide underground local ventilating machine in coal mine silencer cover, and its advantage is that can be fixed on On Coal Mine Ventilator, by using being attached for ready-packaged joint, make the convenience of installation and removal all extremely, can also utilize fast The connection mode connection of joint reduces multiple silencing means, adjusts the effect of noise reduction, and the utility model utilizes the spiral on device Device and large-scale small sircle hole make the irregular flowing of air-flow, reduce the concentration flowing of air-flow, reduce the vibrations of equipment, reduce Noise is provided with silencing cotton in the utility model, the sound of reduction high-decibel that can be effectively.
The purpose of this utility model is achieved through the following technical solutions：
The purpose of this utility model is to provide underground local ventilating machine in coal mine silencer cover, including small ready-packaged joint, expand air port, Hush pipe I, big ready-packaged joint and hush pipe II, the left end in the expansion air port is by being welded to connect on the right side of small ready-packaged joint End；The hush pipe I includes outer barrel I, left end cap I, flow distribution plate I, inner cylinder I, helical shunt body I and right end cap I, spiral Shunting body I includes conveyor screw I, conveyor screw II and conveyor screw III, and conveyor screw I includes supporting block and screw rod, is distributed on flow distribution plate I Multiple small sircle holes I are distributed multiple small sircle holes II on inner cylinder I, multiple small sircle holes III are distributed on right end cap I, are distributed on screw rod Multiple small sircle holes IV, for the left end of outer barrel I by being welded to connect on the right side of left end cap I, the right end of outer barrel I passes through the company of welding The left end of right end cap I is connected on, inner cylinder I is arranged in outer barrel I, and the left end of inner cylinder I is by being welded to connect in left end cap I Right end, the left end of left end cap I are expanding the right end in air port by being welded to connect, and the right end of inner cylinder I is by being welded to connect in right end The left end of lid I, flow distribution plate I are arranged in left end cap I, flow distribution plate I by being welded to connect the inner wall in left end cap I, supporting block By being welded to connect the inner wall in inner cylinder I, the other end of supporting block is described by being welded to connect the left end in screw rod for one end Conveyor screw II and conveyor screw III structure it is identical with the structure of conveyor screw I, the connection mode of conveyor screw II and conveyor screw III with The connection mode of conveyor screw I is identical；The left end of the big ready-packaged joint is by being welded to connect the right end of outer barrel, big fast attaching The right end of head is by being welded to connect the left end of hush pipe II；The hush pipe II includes outer barrel II, left end cap II, flow distribution plate IIth, inner cylinder II, helical shunt body II and right end cap II, left end cap II is identical with the structure of right end cap I, outer barrel II, shunting Plate II, inner cylinder II, helical shunt body II and right end cap II structure and connection mode respectively with outer barrel I, flow distribution plate I, interior The structure of cylinder I, helical shunt body I and right end cap I is identical with connection mode.
Further optimize as the utility model, small ready-packaged joint described in the utility model and big ready-packaged joint Model is the ready-packaged joint of DIN standards.
Further optimize as the utility model, it is described in the utility model by outer barrel I, left end cap I, inner cylinder I and right end cap I form space in sound insulation by filling cotton, be made of outer barrel II, left end cap II, inner cylinder II and right end cap II Sound insulation by filling cotton in space.
Further optimize as the utility model, conveyor screw I described in the utility model, conveyor screw II and conveyor screw III is evenly distributed in 120 ° on the inner wall of inner cylinder I by being welded to connect.
Further optimize as the utility model, hush pipe I and hush pipe II described in the utility model are by big Ready-packaged joint connects, and multiple small sircle holes on left end cap II are connected with multiple small sircle holes III on right end cap I.
Using technical solution provided by the utility model, compared with prior art, have the advantages that：
(1) the utility model is underground local ventilating machine in coal mine silencer cover, and the utility model passes through small ready-packaged joint and big fast-assembling The connection mode of connector makes the convenience extremely of the installation and removal of the utility model, can also be increased according to erasure effect to realize With reduction hush pipe II, the effect of adjustment erasure effect is realized；
(2) the upper setting screw of the utility model and large-scale small sircle hole make the irregular flowing of air-flow, reduce The concentration flowing of air-flow, reduces the vibrations of equipment, reduces noise；
(3) silencing cotton is provided in the utility model, the sound of reduction high-decibel that can be effectively.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the structure diagram in the expansion air port of the utility model；
Fig. 3 is the structure diagram of the hush pipe I of the utility model；
Fig. 4 is the structure diagram of the helical shunt body I of the utility model；
Fig. 5 is the structure diagram of the conveyor screw I of the utility model；
Fig. 6 is the structure diagram of the flow distribution plate I of the utility model；
Fig. 7 is the structure diagram of the right end cap I of the utility model；
Fig. 8 is the structure diagram of the inner cylinder I of the utility model；
Fig. 9 is the structure diagram of the hush pipe II of the utility model.
In figure：Small ready-packaged joint 1；Expand air port 2；Hush pipe I 3；I 3-1 of outer barrel；I 3-2 of left end cap；I 3-3 of flow distribution plate；It is interior I 3-4 of cylinder；I 3-5 of helical shunt body；I 3-5-1 of conveyor screw；Supporting block 3-5-1-1；Screw rod 3-5-1-2；II 3-5- of conveyor screw 2；III 3-5-3 of conveyor screw；I 3-6 of right end cap；Big ready-packaged joint 4；Hush pipe II 5；II 5-1 of outer barrel；II 5-2 of left end cap；Shunting II 5-3 of plate；II 5-4 of inner cylinder；II 5-5 of helical shunt body；II 5-6 of right end cap.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Specific embodiment one：
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, underground local ventilating machine in coal mine silencer cover, Including small ready-packaged joint 1, expand air port 2, hush pipe I 3, big ready-packaged joint 4 and hush pipe II 5, it is characterised in that：The expansion wind The left end of mouth 2 is by being welded to connect the right end in small ready-packaged joint 1；The hush pipe I 3 includes I 3-1 of outer barrel, left end cap I 3-2, I 3-3 of flow distribution plate, I 3-4 of inner cylinder, I 3-5 of helical shunt body and right end cap I 3-6, I 3-5 of helical shunt body include conveyor screw I 3-5-1, II 3-5-2 of conveyor screw and conveyor screw III 3-5-3, I 3-5-1 of conveyor screw include supporting block 3-5-1-1 and screw rod 3-5- Multiple small sircle holes I are distributed on 1-2, I 3-3 of flow distribution plate, multiple small sircle holes II are distributed on inner cylinder 3-4 I, are distributed on I 3-6 of right end cap Multiple small sircle holes III are distributed multiple small sircle holes IV on screw rod 3-5-1-2, and the left end of I 3-1 of outer barrel is by being welded to connect on a left side The right side of I 3-2 of end cap, the right end of I 3-1 of outer barrel are set by being welded to connect the left end in I 3-6 of right end cap, I 3-4 of inner cylinder In I 3-1 of outer barrel, the left end of I 3-4 of inner cylinder is by being welded to connect the right end in I 3-2 of left end cap, a left side of I 3-2 of left end cap End by be welded to connect expand air port 2 right end, the right end of I 3-4 of inner cylinder by being welded to connect the left end in I 3-6 of right end cap, I 3-3 of flow distribution plate is arranged in I 3-2 of left end cap, and I 3-3 of flow distribution plate is by being welded to connect the inner wall in I 3-2 of left end cap, supporting block One end of 3-5-1-1 is by being welded to connect the inner wall in I 3-4 of inner cylinder, and the other end of supporting block 3-5-1-1 is by being welded to connect In the left end of screw rod 3-5-1-2, structure and I 3-5-1 of conveyor screw of III 3-5-3 of II 3-5-2 of conveyor screw and conveyor screw Structure it is identical, the connection mode of III 3-5-3 of II 3-5-2 of conveyor screw and conveyor screw and the connection mode phase of I 3-5-1 of conveyor screw Together；The left end of the big ready-packaged joint 4 passes through weldering by being welded to connect the right end of outer barrel 3-1, the right end of big ready-packaged joint 4 The left end of hush pipe II 5 is connect in succession；
The hush pipe II 5 includes II 5-1 of outer barrel, II 5-2 of left end cap, II 5-3 of flow distribution plate, II 5-4 of inner cylinder, spiral shell It is identical with the structure of I 3-6 of right end cap to revolve II 5-5 of shunting body and right end cap II 5-6, II 5-2 of left end cap, II 5-1 of outer barrel, shunting II 5-3 of plate, the structure of II 5-6 of II 5-4 of inner cylinder, II 5-5 of helical shunt body and right end cap and connection mode respectively with outer barrel I 3-1, I 3-3 of flow distribution plate, the structure of I 3-6 of I 3-4 of inner cylinder, I 3-5 of helical shunt body and right end cap are identical with connection mode, spiral Device and large-scale small sircle hole make the irregular flowing of air-flow, reduce the concentration flowing of air-flow, reduce the vibrations of equipment, reduce Noise.
Specific embodiment two：
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, present embodiment embodiment one is made into One step illustrates that the model of the small ready-packaged joint 1 and big ready-packaged joint 4 is the ready-packaged joint of DIN standards, passes through small fast-assembling The connection mode of connector and big ready-packaged joint makes the convenience extremely of the installation and removal of the utility model, can also be imitated according to noise reduction Fruit increases and decreases hush pipe II to realize, realizes the effect of adjustment erasure effect.
Specific embodiment three：
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, present embodiment embodiment one is made into One step illustrates, is filled in the space being made of I 3-1 of outer barrel, I 3-2 of left end cap, I 3-4 of inner cylinder and I 3-6 of right end cap Sound-proof material, sound insulation by filling in the space be made of II 5-1 of outer barrel, II 5-2 of left end cap, II 5-4 of inner cylinder and II 5-6 of right end cap Cotton, silencing cotton can effectively reduce the noise of high-decibel.
Specific embodiment four：
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, present embodiment embodiment one is made into One step illustrates that I 3-5-1 of conveyor screw, II 3-5-2 of conveyor screw and III 3-5-3 of conveyor screw are in 120 ° equal by being welded to connect Even to be distributed on the inner wall of I 3-4 of inner cylinder, three I spiral windings of conveyor screw are non-interference, to guiding and upsetting the effect of air-flow It becomes apparent.
Specific embodiment five：
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, present embodiment embodiment one is made into One step illustrates that the hush pipe I 3 and hush pipe II 5 are connected by big ready-packaged joint 4, multiple roundlets on II 5-2 of left end cap Hole is connected with multiple small sircle holes III on I 3-6 of right end cap, is not blocked the air-flow of flowing.
The operation principle of the utility model is：The left end of the utility model is connected to by small ready-packaged joint 1 on the exhaust blower of colliery, Exhaust blower is blown to expanding in air port 2, amplifies space by expanding air port 2, reduces the concentration of air-flow, air-flow by I 3-3 of flow distribution plate, Multiple small sircle holes I are broken into irregular little airflow by air flow, by the little airflow of I 3-3 of flow distribution plate by spiral point I 3-5 of fluid is influenced a part of air-flow of guiding along the rotation direction by I 3-5 of helical shunt body by the structure of I 3-5 of helical shunt body Flowing, while influenced by irregular small sircle hole IV, a part of air-flow is by the guiding sinuous flow in irregular direction, the gas of another part Stream is influenced in I 3-4 of inner cylinder by small sircle hole II, and irregular sinuous flow, part sinuous flow is flowed through in small sircle hole II, by disappearing Sound cotton, the multiple irregular small sircle holes III being distributed from I 3-6 of right end cap flow out, and the air-flow finally flowed is dispersed into numerous small Air-flow, incidental energy become smaller, and Oscillation Amplitude becomes smaller, and sound becomes smaller；Pass through ready-packaged joint joint noise reduction cylinder II 5, hush pipe II 5 operation principle is identical with hush pipe I 3, and air-flow is made to subtract the energy of air-flow again using the process once smashing air-flow It is weak, and then realize silencing function.
Schematically the utility model and embodiments thereof are described above, this describes no restricted, attached drawing Shown in be also the utility model one of embodiment, actual structure is not limited thereto；So if this field Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design The frame mode similar to the technical solution and embodiment, all should belong to the protection range of the utility model.

Claims (5)

1. underground local ventilating machine in coal mine silencer cover including small ready-packaged joint (1), expands air port (2), hush pipe I (3), big fast-assembling Connector (4) and hush pipe II (5), it is characterised in that：The left end in the expansion air port (2) is by being welded to connect in small ready-packaged joint (1) right end；
The hush pipe I (3) include outer barrel I (3-1), left end cap I (3-2), flow distribution plate I (3-3), inner cylinder I (3-4), Helical shunt body I (3-5) and right end cap I (3-6), helical shunt body I (3-5) include conveyor screw I (3-5-1), II (3- of conveyor screw 5-2) and conveyor screw III (3-5-3), conveyor screw I (3-5-1) include supporting block (3-5-1-1) and screw rod (3-5-1-2), shunting Multiple small sircle holes I are distributed on plate I (3-3), multiple small sircle holes II are distributed on inner cylinder (3-4) I, distribution is more on right end cap I (3-6) A small sircle hole III is distributed multiple small sircle holes IV on screw rod (3-5-1-2), and the left end of outer barrel I (3-1) is by being welded to connect The right side of left end cap I (3-2), the right end of outer barrel I (3-1) is by being welded to connect the left end in right end cap I (3-6), inner cylinder I (3-4) is arranged in outer barrel I (3-1), the left end of inner cylinder I (3-4) by being welded to connect the right end in left end cap I (3-2), The left end of left end cap I (3-2) is expanding the right end of air port (2) by being welded to connect, and the right end of inner cylinder I (3-4) passes through the company of welding The left end of right end cap I (3-6) is connected on, flow distribution plate I (3-3) is arranged in left end cap I (3-2), and flow distribution plate I (3-3) passes through welding The inner wall of left end cap I (3-2) is connected to, one end of supporting block (3-5-1-1) is by being welded to connect in the interior of inner cylinder I (3-4) Wall, the other end of supporting block (3-5-1-1) is by being welded to connect the left end in screw rod (3-5-1-2), the conveyor screw II The structure of (3-5-2) and conveyor screw III (3-5-3) is identical with the structure of conveyor screw I (3-5-1), conveyor screw II (3-5-2) and spiral shell The connection mode for revolving body III (3-5-3) is identical with the connection mode of conveyor screw I (3-5-1)；
The left end of the big ready-packaged joint (4) is by being welded to connect the right end of outer barrel (3-1), the right side of big ready-packaged joint (4) Hold the left end by being welded to connect hush pipe II (5)；
The hush pipe II (5) includes outer barrel II (5-1), left end cap II (5-2), flow distribution plate II (5-3), inner cylinder II (5-4), helical shunt body II (5-5) and right end cap II (5-6), left end cap II (5-2) is identical with the structure of right end cap I (3-6), Outer barrel II (5-1), flow distribution plate II (5-3), inner cylinder II (5-4), helical shunt body II (5-5) and right end cap II (5-6) Structure and connection mode respectively with outer barrel I (3-1), flow distribution plate I (3-3), inner cylinder I (3-4), helical shunt body I (3-5) and The structure of right end cap I (3-6) is identical with connection mode.
2. underground local ventilating machine in coal mine silencer cover according to claim 1, it is characterised in that：The small ready-packaged joint (1) and the model of big ready-packaged joint (4) be DIN standards ready-packaged joint.
3. underground local ventilating machine in coal mine silencer cover according to claim 1, it is characterised in that：It is described by outer barrel I Sound insulation by filling cotton in the space of (3-1), left end cap I (3-2), inner cylinder I (3-4) and right end cap I (3-6) composition, by outer barrel Sound insulation by filling cotton in the space that II (5-1), left end cap II (5-2), inner cylinder II (5-4) and right end cap II (5-6) form.
4. underground local ventilating machine in coal mine silencer cover according to claim 1, it is characterised in that：I (the 3- of conveyor screw 5-1), conveyor screw II (3-5-2) and conveyor screw III (3-5-3) are evenly distributed on inner cylinder I (3-4) by being welded to connect in 120 ° Inner wall on.
5. underground local ventilating machine in coal mine silencer cover according to claim 1, it is characterised in that：The hush pipe I (3) It is connected with hush pipe II (5) by big ready-packaged joint (4), multiple small sircle holes and right end cap I (3-6) on left end cap II (5-2) On multiple small sircle holes III connect.
CN201721340229.5U 2017-10-18 2017-10-18 Underground local ventilating machine in coal mine silencer cover Expired - Fee Related CN207406545U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721340229.5U CN207406545U (en) 2017-10-18 2017-10-18 Underground local ventilating machine in coal mine silencer cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721340229.5U CN207406545U (en) 2017-10-18 2017-10-18 Underground local ventilating machine in coal mine silencer cover

Publications (1)

Publication Number Publication Date
CN207406545U true CN207406545U (en) 2018-05-25

Family

ID=62320107

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721340229.5U Expired - Fee Related CN207406545U (en) 2017-10-18 2017-10-18 Underground local ventilating machine in coal mine silencer cover

Country Status (1)

Country Link
CN (1) CN207406545U (en)

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Granted publication date: 20180525

Termination date: 20181018