CN111282947B - Underground civil defense engineering passway mouth keeps apart and blocks dust device - Google Patents
Underground civil defense engineering passway mouth keeps apart and blocks dust device Download PDFInfo
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- CN111282947B CN111282947B CN202010205904.3A CN202010205904A CN111282947B CN 111282947 B CN111282947 B CN 111282947B CN 202010205904 A CN202010205904 A CN 202010205904A CN 111282947 B CN111282947 B CN 111282947B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
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- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention belongs to the technical field of dust blocking, and particularly relates to an underground civil air defense engineering passage opening isolation and dust blocking device which aims at solving the problem that the existing civil air defense engineering passage opening isolation and dust blocking device is only blocked by a cloth curtain, can not block and block dust well and is easy to influence the working environment of a civil air defense basement. The dust collection device is convenient to operate, can effectively block and isolate dust, is convenient to collect the dust, avoids polluting the environment, can clean the dust blocking net and the dust suction net, and avoids influencing the working environment of the civil air defense basement.
Description
Technical Field
The invention relates to the technical field of dust blocking and civil air defense engineering, in particular to a dust blocking device for isolating an underground civil air defense engineering passage port.
Background
The anti-basement is one kind of civil air defense worker, and including parts such as outer wall, buffer wall, explosion vent, enclosure wall, protection partition wall constitute, mainly used people's air defense temporary shelter, air defense command center in wartime, communication center, shelter etc. some civil air defense basements still have three proofings function, and the dust device is blocked in the use of civil air defense engineering passway isolation has effectually reduced the dust content of the air of civil air defense basement.
The existing civil air defense engineering passage opening isolation dust blocking device only shields through a cloth curtain, can not well block and shield dust, and easily influences the working environment of a civil air defense basement.
Disclosure of Invention
The invention aims to solve the defects that the existing civil air defense engineering passage opening isolation and blocking dust device can not block and block dust well only by simply blocking through a cloth curtain and easily influences the working environment of a civil air defense basement, and provides the underground civil air defense engineering passage opening isolation and blocking dust device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a dust blocking device for isolating underground civil air defense engineering passage openings comprises a blocking box, wherein one side of the blocking box is rotatably provided with a first turnover door, the other side of the blocking box is rotatably provided with a second turnover door, a plurality of cloth curtains are arranged in the blocking box, the blocking box is internally provided with an inductor, one side of the blocking box is communicated with a dust suction box, the dust suction box is internally and movably connected with a dust blocking net and a dust suction net, the dust suction net is provided with a plurality of conical holes, one sides of the dust blocking net and the dust suction net are fixedly connected with the same mounting strip, one side of the mounting strip is provided with a groove, one side of the dust suction box is fixedly connected with a pointed head strip, two hook plates are slidably arranged in the groove, the top and the bottom of the pointed head strip are respectively provided with a one-way groove, the two hook plates are respectively and unidirectionally clamped with the two one-way grooves, two suction fans are rotatably arranged in the dust suction box, and the same linkage mechanism is connected with the two suction fans, sliding mounting has the board of strikeing in the suction box, strikes a plurality of heads of beating of one side fixedly connected with of board, a plurality of head of beating all block off net looks adaptation with the dust, and one side intercommunication of suction box has the one end of circulating pipe, and the inside of blocking the case is provided with the connecting cylinder, and the other end and the connecting cylinder of circulating pipe are linked together, slope on the connecting cylinder is provided with a plurality of gas blow pipes, and the design of bell mouth can make things convenient for the dust absorption, and the inductor can sense the people and get into and block incasement portion.
Preferably, the bottom of dust suction box intercommunication has a plurality of dust collecting tubes, and a plurality of dust collecting tubes all set up between dust block net and dust suction net, and threaded connection has the sack on the dust collecting tube, and the dust suction net can block the net with the dust suction, and the dust blocks the net and blocks the dust and fall into in the sack.
Preferably, the link gear includes induction servo motor, two connecting axles, two sprockets and chain, two connecting axles all rotate with the suction box and are connected, two connecting axles respectively with two suction fan fixed connection, induction servo motor fixed connection is in one side of suction box, one connecting axle fixed connection in induction servo motor's the output shaft and two connecting axles, two sprockets respectively with two connecting axle fixed connection, the chain is connected with two sprocket meshing, the last PLC controller that is connected with of induction servo motor, induction servo motor drives two connecting axles through two sprockets and chain and rotates, two connecting axles drive two suction fan rotations respectively.
Preferably, equal fixed mounting has first hypotenuse piece on two connecting axles, strikes two second hypotenuse pieces of one side fixedly connected with of board, and two first hypotenuse pieces are inconsistent with two second hypotenuse pieces respectively, and the connecting axle removes through the second hypotenuse piece that first hypotenuse piece extrusion corresponds.
Preferably, the equal fixed mounting in both sides of knocking the board has the sliding block, and the sliding tray has all been seted up to the both sides of suction box, two sliding blocks respectively with two sliding tray sliding connection, fixed mounting has same reset spring between sliding block and the sliding tray that corresponds, and reset spring passes through the sliding block and provides the elasticity that resets for knocking the board.
Preferably, guide holes are formed in the inner wall of the top of the groove and the inner wall of the bottom of the groove, guide rods are arranged in the two guide holes in a sliding mode, the two guide rods are fixedly arranged with the two hook-shaped plates respectively, and the guide rods can limit the hook-shaped plates in the guide holes in a sliding mode.
Preferably, one side slidable mounting of mounting bar has the pull rod, and the one end fixed mounting of pull rod has the arm-tie, and the other end of pull rod extends to in the recess and fixed mounting has the crowded board that pushes away, and the both sides of pushing away crowded board are all rotated the one end of installing the diagonal brace, and the other end of two diagonal braces rotates with two hook type boards respectively and is connected, and the arm-tie drives through the pull rod and pushes away crowded board removal, pushes away crowded board and drives two hook type boards through two diagonal braces respectively and keep away from each other.
Preferably, the equal fixed mounting in one side that two hook plates kept away from each other has the spring, the other end of spring respectively with the inner wall fixed mounting of recess, push away fixed mounting between extruded plate and the recess has a plurality of pressure springs, the spring provides elasticity for the hook plate gets into the one-way inslot that corresponds, the pressure spring forms thrust to the tip strip through pushing away the extruded plate.
Preferably, two mounting holes are formed in one side of the dust collection box, sealing rings are sleeved on the outer sides of the dust blocking net and the dust suction net, the two sealing rings are movably connected with the two mounting holes respectively, and the sealing rings are used for sealing the dust collection box.
Preferably, equal fixed mounting has two U type strips on the top inner wall of dust suction box and the bottom inner wall, and dust blocking net and dust suction net respectively with two U type strip sliding connection, U type strip can play the guide effect.
Compared with the prior art, the invention has the advantages that:
(1) according to the scheme, when the sensor senses that a worker enters the blocking box, the sensor plays a role in preliminary blocking through the cloth curtain, the controller controls the induction servo motor to be started, the induction servo motor drives the two suction fans to rotate through the two chain wheels, the chain and the two connecting shafts, the two suction fans can suck air to suck dust on the worker into the dust box, the air can be guided into the connecting cylinder through the circulating pipe, the worker can be blown through the plurality of air blowing pipes, dust on the worker can be blown off, and the dust blocking effect can be improved;
(2) according to the scheme, dust is sucked through the dust suction net and attached to the dust blocking net, then falls into the cloth bag to be collected, so that the environment is prevented from being polluted, the two connecting shafts push the same knocking plate to move through the two first inclined blocks and the two second inclined blocks, the knocking plate drives the knocking head to knock the dust blocking net, meanwhile, under the pulling force of the reset spring, the knocking plate drives the knocking head to do reciprocating motion to knock the dust blocking net, so that the dust on the dust blocking net can be knocked and fall off, and the dust blocking net is prevented from being blocked, so that the use is prevented from being influenced;
(3) when the dust blocking net and the dust suction net need to be disassembled and cleaned, the scheme is that the pulling plate is pulled, the pulling plate drives the pushing plate to move through the pulling rod, the pushing plate drives the two hook plates to be away from each other through the two inclined support rods respectively and leave the two one-way grooves respectively, the pulling plate is continuously pulled, and the dust blocking net and the dust suction net can be pulled out of the blocking box through the mounting bars to be cleaned;
(4) the scheme is through blocking the net with the dust and inhaling in the net inserts two mounting holes respectively, and dust blocks net and dust and inhales in the net gets into two U type strips that correspond respectively, promotes the mounting bar for the tip strip gets into in the recess and extrudees two hook type boards, and under the spring action of spring, the hook type board gets into corresponding one-way inslot can.
The dust collection device is convenient to operate, can effectively block and isolate dust, is convenient to collect the dust, avoids polluting the environment, can clean the dust blocking net and the dust suction net, and avoids influencing the working environment of the civil air defense basement.
Drawings
FIG. 1 is a schematic structural diagram of an underground civil defense engineering passage port isolation dust blocking device provided by the invention;
FIG. 2 is a schematic side view of a dust blocking device for isolating an opening of an underground civil defense construction;
FIG. 3 is a schematic structural view of part A of an underground civil defense engineering passage port isolation dust blocking device provided by the invention;
FIG. 4 is a schematic structural view of part B of an underground civil defense engineering passage port isolation dust blocking device provided by the invention;
FIG. 5 is a schematic structural view of part C of an underground civil defense engineering passage opening isolation dust blocking device provided by the invention;
fig. 6 is a schematic diagram of an explosive structure of a sharp head strip, a hook plate, an inclined stay bar and a pull rod of the underground civil air defense engineering passage opening isolation and dust blocking device provided by the invention.
In the figure: 1 blocking box, 2 first turning door, 3 second turning door, 4 cloth curtain, 5 dust box, 6 mounting bar, 7 mounting hole, 8 dust blocking net, 9 dust suction net, 10 taper hole, 11 groove, 12 tip bar, 13 one-way groove, 14 hook plate, 15 blowing pipe, 16 guide hole, 17 guide rod, 18 spring, 19 diagonal brace, 20 pressure spring, 21 pushing plate, 22 pull rod, 23 pull plate, 24 sliding groove, 25 reset spring, 26 sliding block, 27 sliding plate, 28 knocking head, 29 induction servo motor, 30 chain, 31 connecting shaft, 32 suction fan, 33 first sloping block, 34 second sloping block, 35 chain wheel, 36U-shaped bar, 37 dust collecting pipe, 38 cloth bag, 39 circulating pipe, 40 connecting cylinder.
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.
Example one
Referring to fig. 1-6, a dust blocking device for isolating underground civil air defense engineering passage openings comprises a blocking box 1, a first turnover door 2 is rotatably installed on one side of the blocking box 1, a second turnover door 3 is rotatably installed on the other side of the blocking box 1, a plurality of cloth curtains 4 are arranged in the blocking box 1, an inductor is arranged in the blocking box 1, one side of the blocking box 1 is communicated with a dust suction box 5, a dust blocking net 8 and a dust suction net 9 are movably connected in the dust suction box 5, a plurality of conical holes 10 are arranged on the dust suction net 9, one side of the dust blocking net 8 and one side of the dust suction net 9 are fixedly connected with a same mounting bar 6, one side of the mounting bar 6 is provided with a groove 11, one side of the dust suction box 5 is fixedly connected with a pointed bar 12, two hook plates 14 are slidably installed in the groove 11, one-way grooves 13 are respectively arranged at the top and the bottom of the pointed bar 12, the two hooks 14 are respectively and unidirectionally clamped with the two one-way grooves 13, two suction fans 32 are installed to the internal rotation of suction box 5, be connected with same link gear on two suction fans 32, slidable mounting has striking plate 27 in suction box 5, strike a plurality of heads 28 of knocking of one side fixedly connected with of plate 27, a plurality of heads 28 that strike all block 8 looks adaptations with the dust, one side intercommunication of suction box 5 has the one end of circulating pipe 39, the inside of blocking case 1 is provided with connecting cylinder 40, the other end and the connecting cylinder 40 of circulating pipe 39 are linked together, it is provided with a plurality of gas blow pipes 15 to slope on the connecting cylinder 40, the design of bell mouth 10 can make things convenient for the dust absorption, the inductor can sense the people and get into and block inside case 1.
In this embodiment, the bottom of the dust collection box 5 is communicated with a plurality of dust collection pipes 37, the plurality of dust collection pipes 37 are all arranged between the dust blocking net 8 and the dust suction net 9, the dust collection pipes 37 are connected with a cloth bag 38 through threads, the dust suction net 9 can suck dust into the dust blocking net 8, and the dust blocking net 8 blocks the dust and falls into the cloth bag 38.
In this embodiment, the link gear includes induction servo motor 29, two connecting axles 31, two sprockets 35 and chain 30, two connecting axles 31 all rotate with dust collection box 5 and are connected, two connecting axles 31 respectively with two fan 32 fixed connection of breathing in, induction servo motor 29 fixed connection is in one side of dust collection box 5, one connecting axle 31 fixed connection in induction servo motor 29's output shaft and two connecting axles 31, two sprockets 35 respectively with two connecting axles 31 fixed connection, chain 30 is connected with two sprocket 35 meshing, be connected with the PLC controller on the induction servo motor 29, induction servo motor 29 drives two connecting axles 31 through two sprockets 35 and chain 30 and rotates, two connecting axles 31 drive two fan 32 rotations of breathing in respectively.
In this embodiment, equal fixed mounting has first sloping piece 33 on two connecting axles 31, strikes two second sloping pieces 34 of one side fixedly connected with of board 27, and two first sloping pieces 33 are inconsistent with two second sloping pieces 34 respectively, and connecting axle 31 removes through the second sloping piece 34 that first sloping piece 33 extrusion corresponds.
In this embodiment, strike the equal fixed mounting in both sides of board 27 and have a sliding block 26, sliding tray 24 has all been seted up to the both sides of dust absorption case 5, two sliding blocks 26 respectively with two sliding tray 24 sliding connection, fixed mounting has same reset spring 25 between sliding block 26 and the sliding tray 24 that corresponds, and reset spring 25 provides the elasticity that resets for striking board 27 through sliding block 26.
In this embodiment, guide holes 16 have been all seted up on the top inner wall of recess 11 and the bottom inner wall, and equal slidable mounting has guide arm 17 in two guide holes 16, and two guide arms 17 respectively with two hook plate 14 fixed mounting, guide arm 17 slides in guide hole 16 and can carry out spacingly to hook plate 14.
In this embodiment, one side slidable mounting of mounting bar 6 has pull rod 22, the one end fixed mounting of pull rod 22 has arm-tie 23, the other end of pull rod 22 extends to in the recess 11 and fixed mounting has the crowded board 21 of pushing away, the both sides of pushing away crowded board 21 are all rotated the one end of installing diagonal brace 19, the other end of two diagonal braces 19 rotates respectively with two hook type boards 14 and is connected, arm-tie 23 drives crowded board 21 through pull rod 22 and removes, crowded board 21 drives two hook type boards 14 respectively through two diagonal braces 19 and keeps away from each other.
In this embodiment, the equal fixed mounting in one side that two hook plates 14 kept away from each other has spring 18, spring 18's the other end respectively with the inner wall fixed mounting of recess 11, fixed mounting has a plurality of pressure springs 20 between crowded board 21 and the recess 11, spring 18 provides elasticity for hook plate 14 gets into corresponding one-way groove 13 in, pressure spring 20 forms thrust to tip strip 12 through pushing crowded board 21.
In this embodiment, two mounting holes 7 have been seted up to one side of dust suction box 5, and the outside of dust blocking net 8 and dust suction net 9 all is equipped with the sealing washer, two sealing washers respectively with two mounting holes 7 swing joint, the sealing washer is used for sealed to dust suction box 5.
In this embodiment, equal fixed mounting has two U type strips 36 on the top inner wall of dust collection box 5 and the bottom inner wall, and dust blocking net 8 and dust suction net 9 respectively with two U type strip 36 sliding connection, U type strip 36 can play the guide effect.
Example two
Referring to fig. 1-6, a dust blocking device for isolating underground civil air defense engineering passage openings comprises a blocking box 1, a first turnover door 2 is rotatably installed on one side of the blocking box 1, a second turnover door 3 is rotatably installed on the other side of the blocking box 1, a plurality of cloth curtains 4 are arranged in the blocking box 1, an inductor is arranged in the blocking box 1, a dust suction box 5 is communicated with one side of the blocking box 1, a dust blocking net 8 and a dust suction net 9 are movably connected in the dust suction box 5, a plurality of conical holes 10 are arranged on the dust suction net 9, one sides of the dust blocking net 8 and the dust suction net 9 are fixedly connected with a same mounting bar 6 through screws, a groove 11 is formed in one side of the mounting bar 6, a pointed bar 12 is fixedly connected to one side of the dust suction box 5 through screws, two hook-shaped plates 14 are slidably installed in the groove 11, and one-way grooves 13 are formed in the top and the bottom of the pointed bar 12, two hook type boards 14 respectively with two one-way joint of one-way groove 13, two fan 32 of breathing in are installed to the 5 internal rotations of suction box, be connected with same link gear on two fan 32 of breathing in, slidable mounting has striking board 27 in suction box 5, strike one side of board 27 and pass through a plurality of hits head 28 of screw fixedly connected with, a plurality of hits head 28 all with dust blocking net 8 looks adaptation, one side intercommunication of suction box 5 has the one end of circulating pipe 39, the inside of blocking case 1 is provided with connecting cylinder 40, the other end of circulating pipe 39 is linked together with connecting cylinder 40, slope on the connecting cylinder 40 and be provided with a plurality of gas blow pipes 15, the design of bell mouth 10 can make things convenient for the dust absorption, the inductor can sense the people and get into and block inside case 1.
In this embodiment, the bottom of the dust collection box 5 is communicated with a plurality of dust collection pipes 37, the plurality of dust collection pipes 37 are all arranged between the dust blocking net 8 and the dust suction net 9, the dust collection pipes 37 are connected with a cloth bag 38 through threads, the dust suction net 9 can suck dust into the dust blocking net 8, and the dust blocking net 8 blocks the dust and falls into the cloth bag 38.
In this embodiment, the link gear includes induction servo motor 29, two connecting axles 31, two sprockets 35 and chain 30, two connecting axles 31 all rotate with dust collection box 5 and are connected, two connecting axles 31 pass through screw fixed connection with two suction fan 32 respectively, induction servo motor 29 passes through screw fixed connection in one side of dust collection box 5, induction servo motor 29's output shaft passes through screw fixed connection with a connecting axle 31 in two connecting axles 31, two sprockets 35 pass through screw fixed connection with two connecting axles 31 respectively, chain 30 is connected with two sprocket 35 meshing, be connected with the PLC controller on the induction servo motor 29, induction servo motor 29 drives two connecting axles 31 through two sprockets 35 and chain 30 and rotates, two connecting axles 31 drive two suction fan 32 respectively and rotate.
In this embodiment, all install first sloping piece 33 through welded fastening on two connecting axles 31, strike one side of board 27 and pass through two second sloping pieces 34 of screw fixedly connected with, two first sloping pieces 33 are inconsistent with two second sloping pieces 34 respectively, and connecting axle 31 removes through the second sloping piece 34 that first sloping piece 33 extrusion corresponds.
In this embodiment, strike board 27's both sides and all have a sliding block 26 through welded fastening, sliding tray 24 has all been seted up to the both sides of dust absorption case 5, two sliding blocks 26 respectively with two sliding tray 24 sliding connection, there is same reset spring 25 through welded fastening between sliding block 26 and the sliding tray 24 that corresponds, reset spring 25 provides the elasticity that resets for striking board 27 through sliding block 26.
In this embodiment, guide holes 16 have been all seted up on the top inner wall of recess 11 and the bottom inner wall, and equal slidable mounting has guide arm 17 in two guide holes 16, and two guide arms 17 pass through welded fastening installation with two hook-shaped boards 14 respectively, and guide arm 17 slides in guide hole 16 and can carry out spacingly to hook-shaped board 14.
In this embodiment, one side slidable mounting of mounting bar 6 has pull rod 22, pull rod 22's one end has arm-tie 23 through welded fastening installation, pull rod 22's the other end extends to in the recess 11 and has the crowded board 21 of pushing away through welded fastening installation, push away the one end that crowded board 21's both sides all rotated and install diagonal brace 19, two diagonal brace 19's the other end rotates with two hook type boards 14 respectively and is connected, pull plate 23 drives through pull rod 22 and pushes away crowded board 21 and remove, crowded board 21 drives two hook type boards 14 through two diagonal brace 19 respectively and keeps away from each other.
In this embodiment, one side that two hook plates 14 kept away from each other all has spring 18 through welded fastening installation, and spring 18's the other end passes through welded fastening installation with the inner wall of recess 11 respectively, pushes away between crowded board 21 and the recess 11 through welded fastening installation have a plurality of pressure springs 20, and spring 18 provides elasticity for hook plate 14 gets into corresponding one-way groove 13 in, pressure spring 20 forms thrust to tip strip 12 through pushing away crowded board 21.
In this embodiment, two mounting holes 7 have been seted up to one side of dust suction box 5, and the outside of dust blocking net 8 and dust suction net 9 all is equipped with the sealing washer, two sealing washers respectively with two mounting holes 7 swing joint, the sealing washer is used for sealing up dust suction box 5.
In this embodiment, all install two U type strips 36 through welded fastening on the top inner wall of dust collection box 5 and the bottom inner wall, dust blocking net 8 and dust suction net 9 respectively with two U type strip 36 sliding connection, U type strip 36 can play the guide effect.
In the embodiment, when the dust blocking device is used, electrical equipment is powered on and a PLC (programmable logic controller), when a sensor senses that a worker enters the blocking box 1, the electric equipment is initially blocked by the cloth curtain 4, the induction servo motor 29 is started, the induction servo motor 29 drives the two connecting shafts 31 to rotate through the two chain wheels 35 and the chain 30, the two connecting shafts 31 respectively drive the two air suction fans 32 to rotate, the two air suction fans 32 can suck air to suck dust on the worker into the dust suction box 5, the air can be guided into the connecting cylinder 40 through the circulating pipe 39, the worker can be blown through the plurality of air blowing pipes 15, dust on the worker can be blown off, the dust blocking effect can be improved, meanwhile, the dust is sucked to be attached to the dust blocking net 8 through the dust suction net 9 and then falls into the cloth bag 38, wherein the two connecting shafts 31 drive the two first inclined blocks 33 to rotate, the two first inclined blocks 33 respectively extrude the two second inclined blocks 34, the two second inclined blocks 34 push the same knocking plate 27 to move, the knocking plate 27 drives the knocking head 28 to knock the dust blocking net 8, meanwhile, under the pulling force of the reset spring 25, the knocking plate 37 drives the knocking head 28 to reciprocate, so that the knocking head 28 can knock the dust blocking net 8 back and forth, dust on the dust blocking net 8 can be knocked and dropped, the blocking of the dust blocking net 8 is avoided, the use is influenced, when the dust blocking net 8 and the dust suction net 9 need to be disassembled and cleaned, the pulling plate 23 is pulled, the pulling plate 23 drives the pushing plate 21 to move through the pulling rod 22, the pushing plate 21 respectively drives the two hook plates 14 to be away from each other through the two inclined support rods 19, the two hook plates 14 respectively leave the two one-way grooves 13, the pulling plate 23 is continuously pulled, that is to pull the dust blocking net 8 and the dust suction net 9 out of the blocking box 1 through the pull strip 6, after the cleaning is finished, the dust blocking net 8 and the dust suction net 9 are respectively inserted into the two mounting holes 7, the dust blocking net 8 and the dust suction net 9 respectively enter the two corresponding U-shaped strips 36, the mounting strips 6 are pushed, the pointed strips 12 enter the grooves 11 and extrude the two hook-shaped plates 14, and under the elastic action of the springs 18, the hook-shaped plates 14 enter the corresponding one-way grooves 13.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. A dust blocking device for isolating an underground civil air defense engineering passage opening comprises a blocking box (1), wherein one side of the blocking box (1) is rotatably provided with a first turnover door (2), the other side of the blocking box (1) is rotatably provided with a second turnover door (3), and a plurality of cloth curtains (4) are arranged in the blocking box (1), the dust blocking device is characterized in that an inductor is arranged in the blocking box (1), one side of the blocking box (1) is communicated with a dust suction box (5), a dust blocking net (8) and a dust suction net (9) are movably connected in the dust suction box (5), a plurality of conical holes (10) are arranged on the dust suction net (9), one sides of the dust blocking net (8) and the dust suction net (9) are fixedly connected with a same mounting bar (6), one side of the mounting bar (6) is provided with a groove (11), one side of the dust suction box (5) is fixedly connected with a pointed head bar (12), two hook-shaped plates (14) are arranged in the groove (11) in a sliding manner, one-way grooves (13) are formed in the top and the bottom of the tip strip (12), the two hook-shaped plates (14) are respectively in one-way clamping connection with the two one-way grooves (13), two suction fans (32) are rotatably arranged in the dust collection box (5), the two suction fans (32) are connected with the same linkage mechanism, a knocking plate (27) is arranged in the dust collection box (5) in a sliding manner, a plurality of knocking heads (28) are fixedly connected to one side of the knocking plate (27), the knocking heads (28) are matched with the dust blocking net (8), one side of the dust collection box (5) is communicated with one end of a circulating pipe (39), a connecting cylinder (40) is arranged in the blocking box (1), the other end of the circulating pipe (39) is communicated with the connecting cylinder (40), and a plurality of air blowing pipes (15) are obliquely arranged on the connecting cylinder (40);
the bottom of the dust collection box (5) is communicated with a plurality of dust collection pipes (37), the dust collection pipes (37) are all arranged between the dust blocking net (8) and the dust suction net (9), and the dust collection pipes (37) are in threaded connection with cloth bags (38);
the linkage mechanism comprises an induction servo motor (29), two connecting shafts (31), two chain wheels (35) and a chain (30), wherein the two connecting shafts (31) are rotatably connected with the dust collection box (5), the two connecting shafts (31) are fixedly connected with two suction fans (32) respectively, the induction servo motor (29) is fixedly connected to one side of the dust collection box (5), an output shaft of the induction servo motor (29) is fixedly connected with one connecting shaft (31) of the two connecting shafts (31), the two chain wheels (35) are fixedly connected with the two connecting shafts (31) respectively, the chain (30) is meshed with the two chain wheels (35), and the induction servo motor (29) is connected with a PLC (programmable logic controller);
the two connecting shafts (31) are fixedly provided with first inclined edge blocks (33), one side of the knocking plate (27) is fixedly connected with two second inclined edge blocks (34), and the two first inclined edge blocks (33) are respectively abutted against the two second inclined edge blocks (34);
sliding blocks (26) are fixedly mounted on two sides of the knocking plate (27), sliding grooves (24) are formed in two sides of the dust collection box (5), the two sliding blocks (26) are respectively in sliding connection with the two sliding grooves (24), and the same reset spring (25) is fixedly mounted between each sliding block (26) and the corresponding sliding groove (24);
guide holes (16) are formed in the inner wall of the top and the inner wall of the bottom of the groove (11), guide rods (17) are slidably mounted in the two guide holes (16), and the two guide rods (17) are fixedly mounted with the two hook plates (14) respectively;
a pull rod (22) is slidably mounted on one side of the mounting bar (6), a pull plate (23) is fixedly mounted at one end of the pull rod (22), the other end of the pull rod (22) extends into the groove (11) and is fixedly mounted with a pushing plate (21), one ends of inclined support rods (19) are rotatably mounted at two sides of the pushing plate (21), and the other ends of the two inclined support rods (19) are respectively rotatably connected with the two hook-shaped plates (14);
springs (18) are fixedly arranged on the sides, far away from each other, of the two hook-shaped plates (14), the other ends of the springs (18) are fixedly arranged with the inner wall of the groove (11), and a plurality of pressure springs (20) are fixedly arranged between the pushing plate (21) and the groove (11);
two mounting holes (7) are formed in one side of the dust collection box (5), sealing rings are sleeved on the outer sides of the dust blocking net (8) and the dust suction net (9), and the two sealing rings are movably connected with the two mounting holes (7) respectively;
two U-shaped strips (36) are fixedly arranged on the inner wall of the top and the inner wall of the bottom of the dust collection box (5), and the dust blocking net (8) and the dust suction net (9) are respectively connected with the two U-shaped strips (36) in a sliding manner;
the electric equipment is connected with a power supply and a PLC controller, when a sensor senses that a worker enters a blocking box (1), the electric equipment is initially blocked through a cloth curtain (4), an induction servo motor (29) is started, the induction servo motor (29) drives two connecting shafts (31) to rotate through two chain wheels (35) and chains (30), the two connecting shafts (31) respectively drive two air suction fans (32) to rotate, the two air suction fans (32) can suck air to suck dust on the worker into a dust suction box (5), gas can be introduced into a connecting cylinder (40) through a circulating pipe (39), the worker is blown through a plurality of blowing pipes (15), dust on the worker can be blown down, the dust blocking effect can be improved, and meanwhile the dust is sucked to be attached to a dust blocking net (8) through a dust suction net (9), then the dust falls into a cloth bag (38), wherein two connecting shafts (31) drive two first inclined edge blocks (33) to rotate, the two first inclined edge blocks (33) respectively extrude two second inclined edge blocks (34), the two second inclined edge blocks (34) push the same knocking plate (27) to move, the knocking plate (27) drives the knocking head (28) to knock the dust blocking net (8), meanwhile, under the pulling force of a reset spring (25), the knocking plate (27) drives the knocking head (28) to do reciprocating motion, so that the knocking head (28) can knock the dust blocking net (8) back and forth, dust on the dust blocking net (8) can be knocked and dropped, the dust blocking net (8) is prevented from being blocked, the use is prevented from being influenced, when the dust blocking net (8) and the dust suction net (9) need to be detached and cleaned, the pulling plate (23) is pulled, and the pulling plate (23) drives the pushing plate (21) to move through the pushing rod (22), the pushing and extruding plate (21) drives the two hook-shaped plates (14) to be away from each other through the two inclined support rods (19), the two hook-shaped plates (14) leave the two one-way grooves (13) respectively, the pulling plate (23) continues to be pulled, the dust blocking net (8) and the dust suction net (9) can be pulled out from the inside of the blocking box (1) through the mounting bars (6), after cleaning is completed, the dust blocking net (8) and the dust suction net (9) are inserted into the two mounting holes (7) respectively, the dust blocking net (8) and the dust suction net (9) enter the two corresponding U-shaped bars (36) respectively, the mounting bars (6) are pushed, the pointed bars (12) enter the grooves (11) and extrude the two hook-shaped plates (14), and under the elastic action of the springs (18), the hook-shaped plates (14) enter the corresponding one-way grooves (13).
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| CN202010205904.3A CN111282947B (en) | 2020-03-23 | 2020-03-23 | Underground civil defense engineering passway mouth keeps apart and blocks dust device |
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| CN202010205904.3A CN111282947B (en) | 2020-03-23 | 2020-03-23 | Underground civil defense engineering passway mouth keeps apart and blocks dust device |
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| CN111282947B true CN111282947B (en) | 2022-06-10 |
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| CN111282947A (en) | 2020-06-16 |
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Effective date of registration: 20220524 Address after: 362000 No. 61, Qianyuan, Longcang village, Dongyuan Town, Taiwan investment zone, Quanzhou City, Fujian Province Applicant after: Quanzhou Taiwan investment zone QingWang Technology Co.,Ltd. Address before: 712000 Shaanxi Dadi Civil Air Defense Engineering Co., Ltd., beihuai Industrial Park, Shiji Avenue, Qindu District, Xianyang City, Shaanxi Province Applicant before: Fan Lingxu |
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