CN113027796B

CN113027796B - Large-diameter explosion-proof type axial flow fan for ship

Info

Publication number: CN113027796B
Application number: CN202110453628.7A
Authority: CN
Inventors: 赵书文; 芦萍; 焦霞; 蒋美红; 杨余祥
Original assignee: Jiangsu Saifute Explosion Proof Electric Co ltd
Current assignee: Jiangsu Saifute Explosion Proof Electric Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-12-31
Anticipated expiration: 2041-04-26
Also published as: CN113027796A

Abstract

The invention relates to the technical field of axial flow fans, in particular to a large-diameter explosion-proof type marine axial flow fan which comprises an outer barrel, an inner column and a fan, wherein the inner column is arranged in the outer barrel, one end of the inner column is connected with the fan, the other end of the inner column is fixedly connected with a first control panel, the first control panel is in a circular plate shape, a plurality of uniformly distributed through holes are annularly arranged on a plate body, a sleeve is fixedly sleeved outside the first control panel and detachably connected in an inner cavity of the outer barrel, and a plurality of uniformly distributed bolts are screwed around the outer part of the sleeve.

Description

Large-diameter explosion-proof type axial flow fan for ship

Technical Field

The invention relates to the technical field of axial flow fans, in particular to a large-caliber explosion-proof type axial flow fan for a ship.

Background

The ship axial fan among the prior art realizes the mediation work of air current, has important meaning to the environmental safety in the cabin, if explode in the environment of axial fan one end intercommunication, in order to avoid the transmission of explosion to reach the problem, needs axial fan to have the ability of independently detecting and breaking off the passageway.

If the axial flow fan has the capacity of autonomously sensing air waves, if the impact of the air waves is too violent and the impact degree of blasting is reached, the axial flow fan can autonomously interrupt an air flow channel and protect the environment connected with the other side of the axial flow fan, so that the problem can be solved, and the large-caliber explosion-proof type axial flow fan for the ship is provided.

Disclosure of Invention

The invention aims to provide a large-caliber explosion-proof axial flow fan for a ship, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an explosion-proof type marine axial fan of heavy-calibre, includes urceolus, inner prop and fan, be provided with the inner prop in the urceolus, the one end of inner prop is connected with the fan, the other end fixedly connected with control panel of inner prop is first, and control panel shape is the plectane and the plate body fits with a contraceptive ring and is equipped with a plurality of evenly distributed's through-hole, and the outside fixed cover of control panel is overlapped and is had the sleeve, and the sleeve can be dismantled and connect in the inner chamber of urceolus, the bolt of a plurality of evenly distributed has been cup jointed around the sleeve outside to the sleeve, and the casing of urceolus is run through to the bolt, the activity has cup jointed main annular plate in the sleeve of control panel one side, and the ring is equipped with a plurality of evenly distributed's L type post around the main annular plate, and L type post runs through the marginal plate body of main annular plate, and the one end of L type post is fixed on control panel one, and the other end of L type post is fixed on the sleeve, be connected with the extension spring between L type post and the main annular plate, one side fixedly connected with fixture block of L type post, the main annular plate zhonghuan is equipped with a plurality of evenly distributed's pressure device, and one side transmission of pressure device is connected with the clamping body, the one end of clamping body is connected with the control body, and the one end of the control body extends to in the L type post, be provided with in the control body and block piece and spring leaf, the annular plate groove has been seted up on the main annular plate towards the bottom surface of control panel one, and is provided with the annular plate in the annular plate groove of main annular plate, and pressure device's one end and annular plate are connected.

Preferably, the pressure device comprises a pressure disc, a spring and a guide rod, one end of the guide rod is fixedly connected with the pressure disc, the spring is sleeved on the guide rod, and the other end of the guide rod is fixedly connected with the annular plate.

Preferably, the pressure disc and the spring are arranged in a disc groove formed in the bottom surface of one side of the main annular plate, the guide rod is movably sleeved in a through hole formed in the main annular plate, and a plurality of tooth sockets which are uniformly distributed are formed in one side wall of the guide rod.

Preferably, the screens shape is that drum one side body coupling is prismatic, and prismatic one side body coupling of card body has the arc post, and the arc post one end of card body extends to the arc post groove of seting up on the control body, and the center pin has been cup jointed in the activity of the drum middle part of card body, and the center pin end fixing is on main annular plate, and a plurality of evenly distributed's of fixedly connected with protruding tooth on the drum lateral wall of card body.

Preferably, one end of the control body extends into a square groove formed in the L-shaped column, a sliding groove is formed in one side wall of the control body, an intercepting block and a wavy plate-shaped spring piece are arranged in the sliding groove of the control body, and the intercepting block is fixed on the main annular plate.

Preferably, the L-shaped column is sleeved in a through hole formed in the main annular plate, one end of the tension spring is fixedly embedded in the main annular plate, and the other end of the tension spring is fixedly embedded in the L-shaped column.

Compared with the prior art, the invention has the beneficial effects that:

1. the structural design of the invention realizes the effect of automatically adjusting and intercepting the air waves in the outer cylinder, thus preventing the explosion from being transmitted to another environment through the axial flow fan, and the axial flow fan automatically restores the smooth state in the inner part after the air waves impact;

2. the device is through setting up exquisite control transmission part in main annular plate, and then realizes the response work to assaulting the stormy waves, and when the stormy waves assaulted very little, the displacement of guide bar was limited, and then the rotation range of card body is very little, can not break its screens state, only reaches the stormy waves of sufficient pressure promptly and just can trigger the inside closed condition of urceolus, realizes autonomic the detection like this.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the main annular plate;

FIG. 3 is a schematic view of a pressure device;

fig. 4 is a schematic view of the structure of the main annular plate.

In the figure: the device comprises an outer cylinder 1, an inner column 2, a fan 3, a control disc I4, a sleeve 5, a bolt 6, an L-shaped column 7, a tension spring 8, a clamping block 9, a pressure device 10, a clamping body 11, a control body 12, an interception block 13, a spring leaf 14, an annular plate 15, a main annular plate 16, a central shaft 17, a pressure disc 18, a spring 19 and a guide rod 20.

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 obtained by those skilled in the art without creative efforts based on the technical solutions of the present invention belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a large-diameter explosion-proof axial flow fan for ships comprises an outer barrel 1, an inner column 2 and a fan 3, wherein the inner column 2 is arranged in the outer barrel 1, one end of the inner column 2 is connected with the fan 3, the other end of the inner column 2 is fixedly connected with a control panel I4, the control panel I4 is in a circular plate shape, a plurality of through holes which are uniformly distributed are annularly arranged on the plate body, a sleeve 5 is fixedly sleeved outside the control panel I4, the sleeve 5 is detachably connected in an inner cavity of the outer barrel 1, a plurality of uniformly distributed bolts 6 are screwed around the outside of the sleeve 5, the bolts 6 penetrate through a shell of the outer barrel 1, a main annular plate 16 is movably sleeved in the sleeve 5 on one side of the control panel I4, a plurality of uniformly distributed L-shaped columns 7 are annularly arranged around the main annular plate 16, the L-shaped columns 7 penetrate through an edge plate body of the main annular plate 16, one end of the L-shaped columns 7 is fixed on the control panel I4, the other end of the L-shaped columns 7 is fixed on the sleeve 5, be connected with extension spring 8 between L type post 7 and the main annular plate 16, one side fixedly connected with fixture block 9 of L type post 7, main annular plate 16 zhonghuan is equipped with a plurality of evenly distributed's pressure device 10, one side transmission of pressure device 10 is connected with fixture body 11, the one end of fixture body 11 is connected with control body 12, the one end of control body 12 extends to in the L type post 7, be provided with in the control body 12 and block piece 13 and spring leaf 14, the annular plate groove has been seted up on the main annular plate 16 towards the bottom surface of control panel 4, and be provided with annular plate 15 in the annular plate groove of main annular plate 16, the one end and the annular plate 15 of pressure device 10 are connected.

The pressure device 10 comprises a pressure disc 18, a spring 19 and a guide rod 20, wherein one end of the guide rod 20 is fixedly connected with the pressure disc 18, the spring 19 is sleeved on the guide rod 20, and the other end of the guide rod 20 is fixedly connected with the annular plate 15.

The pressure disc 18 and the spring 19 are arranged in a disc groove formed in the bottom surface of one side of the main annular plate 16, the guide rod 20 is movably sleeved in a through hole formed in the main annular plate 16, and a plurality of tooth grooves which are uniformly distributed are formed in one side wall of the guide rod 20.

The position body 11 shape is prismatic for drum one side body coupling, and prismatic one side body coupling of the position body 11 has the arc post, the arc post groove of seting up on extending to the control body 12 of arc post one end of the position body 11, the center pin 17 has been cup jointed in the activity of the drum middle part of the position body 11, center pin 17 end fixing is on main annular plate 16, a plurality of evenly distributed's of fixedly connected with protruding tooth on the drum lateral wall of the position body 11, refer to figure 3, position body 11 and guide bar 20 mesh transmission are connected, and open in main annular plate 16 and establish the board chamber, the control body 12 sets up in the board chamber on main annular plate 16 with position body 11.

One end of the control body 12 extends into a square groove formed in the L-shaped column 7, a sliding groove is formed in one side wall of the control body 12, an intercepting block 13 and a wavy plate-shaped spring piece 14 are arranged in the sliding groove of the control body 12, the intercepting block 13 is fixed on a main annular plate 16, referring to fig. 2, one end, far away from the L-shaped column 7, of the intercepting block 13 is in contact with the spring piece 14, and therefore the spring piece 14 elastically supports the control body 12, and the control body 12 tends to be drawn out of the L-shaped column 7.

The L-shaped column 7 is sleeved in a through hole formed in the main annular plate 16, one end of the tension spring 8 is fixedly embedded in the main annular plate 16, and the other end of the tension spring 8 is fixedly embedded in the L-shaped column 7.

The working principle is as follows: the fan 3 is a device in the prior art, the rotation of the fan is realized by connecting a driving mechanism, when the fan works normally, a certain distance is kept between the control panel I4 and the main annular plate 16, so that the air flow in the outer barrel 1 mainly flows through a channel between the main annular plate 16 and the inner column 2 and then passes through a through hole on the control panel I4, the air flow is discharged to the outside of the outer barrel 1, if the air inlet end generates air wave impact, the impact acts on the main annular plate 16, the main annular plate 16 moves and is attached to the control panel I4, so that the air flow channel is directly interrupted, the environment of the air outlet end of the outer barrel 1 is prevented from being influenced by the impact, specifically, the air wave impacts the pressure disc 18, the pressure disc 18 moves to drive the guide rod 20, the rebound influence of the spring 19 is overcome in the process, the guide rod 20 moves to drive the retainer 11 to rotate, the arc-shaped column on the retainer 11 is drawn out from the control body 12, so that the control body 12 only bears the rebound influence of the spring piece 14, therefore, the control body 12 moves and is drawn out of the L-shaped column 7, the main annular plate 16 impacted by the air waves moves to be close to the first control disc 4, the effect that the main annular plate 16 reversely moves to restore the initial position after the air waves are impacted by pulling the tension spring 8 can be realized, and the inside of the outer cylinder 1 is naturally smooth.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an explosion-proof marine axial fan of heavy-calibre, includes urceolus (1), inner prop (2) and fan (3), be provided with inner prop (2) in urceolus (1), the one end of inner prop (2) is connected with fan (3), its characterized in that: the other end fixedly connected with control panel (4) of inner column (2), control panel (4) shape is equipped with a contraceptive ring for plectane and plate body and is equipped with a plurality of evenly distributed's through-hole, and the outside fixed cover of control panel (4) has sleeve (5), and connection can be dismantled in the inner chamber of urceolus (1) in sleeve (5), the spiro union has a plurality of evenly distributed's bolt (6) around sleeve (5) outside, and bolt (6) run through the casing of urceolus (1), main annular plate (16) have been cup jointed in the activity in sleeve (5) of control panel (4) one side, and the ring is equipped with a plurality of evenly distributed's L type post (7) around main annular plate (16), and L type post (7) run through the marginal plate body of main annular plate (16), and the one end of L type post (7) is fixed on control panel (4), and the other end of L type post (7) is fixed on sleeve (5), be connected with extension spring (8) between L type post (7) and main annular plate (16), one side fixedly connected with fixture block (9) of L type post (7), main annular plate (16) zhonghuan is equipped with a plurality of evenly distributed's pressure device (10), and one side transmission of pressure device (10) is connected with fixture body (11), the one end of fixture body (11) is connected with control body (12), and the one end of control body (12) extends to in L type post (7), be provided with in control body (12) and block piece (13) and spring leaf (14), the annular plate groove has been seted up on main annular plate (16) towards on the bottom surface of control panel (4), and is provided with annular plate (15) in the annular plate groove of main annular plate (16), and the one end and the annular plate (15) of pressure device (10) are connected, pressure device (10) include pressure dish (18), The spring-type clamping device comprises a spring (19) and a guide rod (20), wherein one end of the guide rod (20) is fixedly connected with a pressure disc (18), the guide rod (20) is sleeved with the spring (19), the other end of the guide rod (20) is fixedly connected with an annular plate (15), the pressure disc (18) and the spring (19) are arranged in a disc groove formed in the bottom surface of one side of a main annular plate (16), the guide rod (20) is movably sleeved in a through hole formed in the main annular plate (16), a plurality of tooth sockets uniformly distributed are formed in one side wall of the guide rod (20), the clamping body (11) is in a shape that a prism is integrally connected with one side of a cylinder, an arc-shaped column is integrally connected with one side of the clamping body (11), one end of the arc-shaped column of the clamping body (11) extends into the arc-shaped column groove formed in the control body (12), a central shaft (17) is movably sleeved in the middle of the cylinder of the clamping body (11), the end part of the central shaft (17) is fixed on the main annular plate (16), and a plurality of protruding teeth which are uniformly distributed are fixedly connected on one side wall of the cylinder of the clamping body (11).

2. The large-caliber explosion-proof axial flow fan for the ship according to claim 1, wherein: one end of the control body (12) extends into a square groove formed in the L-shaped column (7), a sliding groove is formed in one side wall of the control body (12), an intercepting block (13) and a wavy plate-shaped spring piece (14) are arranged in the sliding groove of the control body (12), and the intercepting block (13) is fixed on the main annular plate (16).

3. The large-caliber explosion-proof axial flow fan for the ship according to claim 1, wherein: l type post (7) cup joint in the through-hole of seting up on main annular plate (16), the one end of extension spring (8) is fixed to be embedded into main annular plate (16), and the other end of extension spring (8) is fixed to be embedded into in L type post (7).