CN112361506B - Municipal administration pipeline ventilation detection device that takes a breath - Google Patents
Municipal administration pipeline ventilation detection device that takes a breath Download PDFInfo
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- CN112361506B CN112361506B CN202011244990.5A CN202011244990A CN112361506B CN 112361506 B CN112361506 B CN 112361506B CN 202011244990 A CN202011244990 A CN 202011244990A CN 112361506 B CN112361506 B CN 112361506B
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- 238000001514 detection method Methods 0.000 title claims abstract description 96
- 238000009423 ventilation Methods 0.000 title claims abstract description 66
- 238000007689 inspection Methods 0.000 claims abstract description 55
- 239000002341 toxic gas Substances 0.000 claims abstract description 11
- 238000000605 extraction Methods 0.000 claims description 22
- 238000012423 maintenance Methods 0.000 claims description 22
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 4
- 231100001245 air toxic agent Toxicity 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 34
- 230000002000 scavenging effect Effects 0.000 description 12
- 241000883990 Flabellum Species 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
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Abstract
The invention relates to the field of municipal engineering, in particular to a municipal pipeline ventilation inspection device, the device is including ventilation mechanism and detection mechanism, ventilation mechanism includes the inspection shaft main part, the well lid, breather and air inlet unit, the access passage has been seted up to inspection shaft main part below, the well lid sets up the top at the access passage, breather and air inlet unit set up respectively on the well lid both sides, detection mechanism includes detection case and vortex mechanism, the detection case is located the top of access passage inner wall, exhaust fan and vortex mechanism are located the inside top of detection case in proper order, the detection case is used for detecting the concentration of air toxic gas, vortex mechanism is used for keeping dry and also do benefit to detection device work to detection case inside, the scheme has solved not ventilation in the inspection shaft, the inconvenient detection life of device is long easily accumulated dust, need the artifical shortcoming of managing to inside.
Description
Technical Field
The invention relates to the field of municipal engineering, in particular to a municipal pipeline ventilation inspection device.
Background
The construction of modern cities in China is faster and faster, the scale of the cities is continuously enlarged, the scale of the corresponding infrastructure needs to be continuously enlarged, the water consumption of the cities is continuously increased, the water discharge is also increased, and the management, maintenance and dredging of sewer pipelines are also more and more. Among them, the dredging work of the sewer pipe is very important and has become a considerable work of the relevant departments now. In order to conveniently and rapidly discharge waste water in rainy days and life in cities, related drainage pipelines are usually arranged to ensure that rainwater and domestic waste water rapidly flow away, so that the great influence on the environment of people's life and urban public facilities is avoided, and the accumulation of the waste water in a certain time is avoided, because residents frequently fall down sewage and other sundries in a mess manner in a sewer pipeline and the construction of cement mortar construction sites and the like, the sundries are precipitated and deposited, and pipeline blockage is caused after the excessive deposition, if the pipelines cannot be cleaned and dredged in time, sewage overflow is caused, the environment is polluted, economic loss is caused, and troubles are brought to the life of the residents, for the normal operation of the drainage function of the pipeline, the wastes in the pipeline need to be cleaned, the desilting work of the existing urban underground drainage pipelines in China is generally in the lagging state of manual operation, the physical strength is heavy, the efficiency is low, rain sewage pipelines in severe weather environment run for many years, underground drainage pipelines in multiple places are aged and have serious silting and damage problems, and pipeline dredging is to dredge the pipelines, clear sludge in the pipelines and keep the pipelines smooth for a long time so as to prevent waterlogging in cities.
The municipal inspection well is used for maintaining urban underground infrastructure for power supply, water drainage, pollution discharge, communication, cable television, gas pipes, street lamp lines and the like, and is convenient to install. The existing inspection well is not ventilated, when workers overhaul the inspection well, the inspection well is easy to have potential risks such as poisoning and the like due to oxygen deficiency or overhigh content of certain gases, and therefore ventilation needs to be carried out on the inspection well, when oxygen is introduced into the inspection well, because the specific oxygen content in the inspection well is not known, potential threats can be caused to personnel due to too much or too little introduction, fatal risks can be caused due to too high introduction, and lips are prone to purple due to too low breathing, so that a device is needed to detect toxic gases.
Disclosure of Invention
For solving above-mentioned technical problem, provide a municipal administration pipeline ventilation detection device that takes a breath, this technical scheme has solved not to ventilate in the inspection shaft, and the inconvenient detection life of device is difficult for accumulating the dust, needs the manual work to the inside shortcoming of managing.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a municipal pipeline ventilation detection device includes:
the ventilation and air exchange mechanism comprises a manhole main body, a manhole cover, an air exchange device and an air inlet device, wherein an overhaul channel is formed below the manhole main body, the manhole cover is arranged at the top end of the overhaul channel of the manhole main body, the air exchange device and the air inlet device are respectively arranged at two sides of the manhole cover and penetrate through the manhole cover through pipelines, and the ventilation and air exchange mechanism is used for exchanging air in the manhole main body through the air exchange device and the air inlet device;
detection mechanism, including detection case and vortex mechanism, the detection case is located the top of maintenance passageway inner wall, and exhaust fan and vortex mechanism are located the inside top of detection case in proper order, and the detection case is used for detecting the concentration of air toxic gas, and vortex mechanism is used for keeping dry and also does benefit to the detection of detection device to the air to detection case inside.
Preferably, the well lid is provided with an air inlet through hole and a ventilation through hole, and the ventilation device and the air inlet device respectively penetrate through the air inlet through hole and the ventilation through hole.
Preferably, breather includes first connecting pipe, blast pipe, gate valve, filter, scavenging pump, ventilation fan, first flabellum, the scavenging pump is located the well lid side, and scavenging pump output fixedly connected with is the first connecting pipe that the level set up, and the first connecting pipe other end runs through to take a breath the through-hole through the well lid and gets into the inspection shaft access passage, and the cover is equipped with gate valve and filter in proper order on the first connecting pipe between well lid and scavenging pump, be equipped with the blast pipe that is vertical state on the access passage inner wall, blast pipe top and first connecting pipe fixed connection, the blast pipe bottom is equipped with first flabellum, is located to be equipped with cat ladder and fixed connection on the blast pipe outer wall on the access passage inner wall, is equipped with ventilation fan and fixed connection on the access passage inner wall in the blast pipe bottom, and is equipped with the protective sheath outward for ventilation fan.
Preferably, air inlet unit includes second connecting pipe, intake pipe and air-blower and second flabellum, the air-blower is located the well lid and keeps away from scavenging pump one side, and air-blower output fixedly connected with is the second connecting pipe that the level set up, and the second connecting pipe other end runs through the well lid and admits air in the through-hole gets into inspection shaft access way, be equipped with the intake pipe that is vertical state on the access way inner wall, intake pipe top and second connecting pipe fixed connection, the intake pipe bottom is equipped with the second flabellum.
Preferably, the outer parts of the exhaust pipe and the air inlet pipe are connected with semicircular fixing sleeves, and the exhaust pipe and the air inlet pipe are fixedly connected with the inner wall of the inspection well main body overhaul channel through the fixing sleeves.
Preferably, the detection case is rectangle, is equipped with the handle on the chamber door, and the chamber door passes through hinge and box swing joint, is equipped with the grid of taking a breath on the lateral wall of box both sides, is equipped with the exhaust fan on the inside of box top, and the box top is encircleed and all is equipped with the grid of taking a breath rather than matcing each other on the exhaust fan tank wall all around, and vortex mechanism is located inside the box.
Preferably, the turbulence mechanism comprises a turbulence device, an extraction fan, a connecting rod mechanism and an extraction fan, the extraction fan is fixedly connected to the detection box back plate, one of the blades of the extraction fan is provided with a driving shaft for connecting the connecting rod mechanism, the connecting rod mechanism is positioned between the turbulence device and the extraction fan, the turbulence device is positioned inside the detection box body, and the detection instrument is positioned on the detection box cross frame.
Preferably, the vortex platform divide into vortex platform and lower vortex platform, it is located detection case box top to go up the vortex platform, lower vortex platform is located detection case bottom half, go up the vortex platform and all be equipped with the square hole on the vortex platform down, be equipped with a plurality of vortex holes that are horizontal line arrangement on the square hole inner wall of last vortex platform and lower vortex platform, the cover is equipped with last vortex board and the lower vortex board that is the horizontality on the vortex hole respectively, be equipped with the last vortex pole that runs through all last vortex boards in last vortex board bottom, be equipped with the lower vortex pole that runs through all lower vortex boards on the top of vortex board down, be equipped with first round pin axle on last vortex pole and the same side position of vortex pole down, the second round pin axle.
Preferably, link mechanism includes actuating lever, swinging arms and connecting rod, and the swinging arms is located vortex platform and down between the vortex platform, and both ends are sold the axle and are connected respectively in last vortex pole and vortex pole down through first round pin and second, and the swinging arms middle part is equipped with fixed axle and connecting axle, and fixed axle fixed connection is on detection case box backplate, the connecting rod is located between swinging arms and the actuating lever, and both ends are connected respectively in swinging arms connecting axle and third round pin axle, the actuating lever is located between extraction fan and the connecting rod, and fixed connection's drive shaft and third round pin axle on the extraction fan are connected respectively at the actuating lever both ends.
The invention has the beneficial effects that: the ventilating pump is firstly opened, air in the inspection well is extracted through the first connecting pipe and the exhaust pipe so that the first fan blade rotates, the first fan blade can facilitate air to enter the exhaust pipe and also facilitate underground workers to observe whether the exhaust pipe normally works, the air upwards passes through the brake shoe through the first fan, the gate valve is used for opening and closing air extraction, the condition that the underground workers cannot be injured by toxic gas in the inspection well when the air is extracted is ensured, the filter is used for filtering the extracted air and filtering the extracted air into harmless gas to be exhausted into the air, the ventilating fan is used for circulating the gas in an inspection well maintenance channel, the ventilation in the inspection well is facilitated, the ventilating pump is convenient to exhaust the toxic gas in the inspection well as soon as possible, the ladder stand is used for facilitating the workers to operate the underground operation, then the air blower is opened, and the air is exhausted from the output end of the air blower to enter the second connecting pipe, then the air enters the air inlet pipe until the second fan blade passes through the bottom end of the exhaust pipe, the second fan blade is used for discharging gas in the pipeline more quickly and is convenient for underground workers to check whether the air inlet device is in operation or not, the fixed sleeve is used for fixing the air inlet pipe, the exhaust pipe and the inner wall of an inspection well maintenance channel, the air interchanger and the air inlet device exchange air in the inspection well through the air inlet through hole and the air exchange through hole, the air interchanger and the air inlet device keep dry in the box body and are convenient for the inspection well to detect the gas in the inspection well in order to ensure the service life of the internal device due to the damp environment in the inspection well, the air interchanger grids on the two sides of the box body and the air interchanger grids around the top of the box body are also used for discharging the gas of the detection device, and the door handle is used for the underground workers to conveniently open the box body to overhaul and observe the interior of the detection device, the driving rod connected through the driving shaft is driven by the rotation of the exhaust fan, the connecting rod is connected with the third pin shaft at the other end of the driving shaft, the driving rod rotates along with the exhaust fan around the third pin shaft of the connecting rod under the traction of the connecting rod, the swinging rod is connected with the other end of the connecting rod through the swinging shaft, the connecting rod does reciprocating motion in the horizontal direction under the rotation condition of the driving rod, the fixed shaft is arranged in the middle of the swinging rod, the upper turbulence rod and the lower turbulence rod are respectively connected with the two ends of the swinging rod through the first pin shaft and the second pin shaft, the swinging rod is pushed to do reciprocating pendulum motion around the fixed shaft, the upper turbulence rod and the lower turbulence rod are respectively driven to do reciprocating pendulum motion in the horizontal direction by the swinging of the swinging rod, and the reciprocating motion of the upper turbulence rod and the lower turbulence rod respectively drives the upper turbulence plate and the lower turbulence plate to do reciprocating pendulum motion around the turbulence hole, the air current of the production of exhaust fan is guided from this for keep dry in the detection case, accelerated inside air circulation, make things convenient for the harmful gas in the detection pipeline, also make the difficult accumulation dust of detection case, prolonged the life of device. The scheme has solved not ventilating in the inspection shaft, and the inconvenient detection life of device is difficult for accumulating the dust, needs the manual work to carry out the shortcoming of managing to inside, need not the manual work and manages, and detection device keeps dry and clean, has improved operating personnel's in the pit personal guarantee.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a first cross-sectional view of the present invention;
FIG. 3 is a partial perspective view of the first embodiment of the present invention;
FIG. 4 is a partial perspective view of the second embodiment of the present invention;
FIG. 5 is a partial top view of the present invention;
FIG. 6 is a third schematic partial perspective view of the present invention;
FIG. 7 is a partial cross-sectional view of the first embodiment of the present invention;
FIG. 8 is a partial cross-sectional view of the second embodiment of the present invention;
FIG. 9 is a partial perspective view of the fourth embodiment of the present invention;
FIG. 10 is a partial perspective view of the fifth embodiment of the present invention;
FIG. 11 is a partial perspective view of the sixth aspect of the present invention;
FIG. 12 is a partial perspective view of the seventh aspect of the present invention;
FIG. 13 is a partial isometric view of the eighth invention;
FIG. 14 is a fragmentary perspective view of the ninth aspect of the present invention;
fig. 15 is a partial perspective view of the present invention.
The reference numbers in the figures are:
1-a ventilation mechanism; 2-a manhole body; 3, overhauling a channel; 4-well cover; 5-air inlet through holes; 6-ventilation through holes; 7-fixing the sleeve; 8-a ventilation device; 9-a filter; 10-a first connection pipe; 11-an exhaust pipe; 12-a scavenging pump; 13-a ventilation fan; 14-a shield; 15-a first fan blade; 16-a gate valve; 17-an air intake device; 18-a second connecting tube; 19-an air inlet pipe; 20-a blower; 21-a second fan blade; 22-a detection mechanism; 23-a detection box; 24-a side wall; 25-ventilating grilles; 26-climbing a ladder; 27-exhaust fan; 28-a detection instrument; 29-a box door; 30-a hinge; 31-a handle; 32-a flow disturbing mechanism; 33-a flow perturbation device; 34-an upper spoiler platform; 35-an upper spoiler bar; 36-upper spoiler; 37-square hole; 38-a flow-disturbing hole; 39-a first pin; 40-a lower turbulence platform; 41-lower spoiler bars; 42-lower spoiler; 43-a second pin; 44-an extraction fan; 45-linkage mechanism; 46-a drive rod; 47-a drive shaft; 48-a sway bar; 49-fixed axis; 50-a connecting shaft; 51-a connecting rod; 52-third pin; 53-road surface.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Referring to fig. 1-15, a municipal pipeline ventilation detection device comprises:
the ventilation and air exchange mechanism 1 comprises a manhole main body 2, a manhole cover 4, an air exchange device 8 and an air inlet device 17, wherein an access passage 3 is formed below the manhole main body 2, the manhole cover 4 is arranged at the top end of the access passage 3 of the manhole main body 2, the air exchange device 8 and the air inlet device 17 are respectively arranged at two sides of the manhole cover 4 and penetrate through the manhole cover 4 through pipelines, and the ventilation and air exchange mechanism 1 is used for exchanging air in the manhole main body 2 through the air exchange device 8 and the air inlet device 17;
The ventilation and ventilation mechanism 1 is started to ventilate the gas in the inspection well body, the detection mechanism 22 is used for detecting the interior of the inspection well body, the internal turbulence mechanism 32 is used for promoting the air circulation in the detection device to facilitate detection, and the service life of the detection device is prolonged.
The well lid 4 is provided with an air inlet through hole 5 and an air exchange through hole 6, and an air exchange device 8 and an air inlet device 17 respectively penetrate through the air inlet through hole 5 and the air exchange through hole 6. The ventilation device 8 and the air intake device 17 ventilate the air in the manhole through the air intake hole 5 and the ventilation hole 6.
The ventilation device 8 comprises a first connecting pipe 10, an exhaust pipe 11, a gate valve 16, a filter 9, a ventilation pump 12, a ventilation fan 13 and a first fan blade 15, wherein the ventilation pump 12 is positioned beside the well lid 4, the output end of the ventilation pump 12 is fixedly connected with the first connecting pipe 10 which is horizontally arranged, the other end of the first connecting pipe 10 penetrates through a ventilation through hole 6 of the well lid 4 to enter the inspection well maintenance channel 3, the gate valve 16 and the filter 9 are sequentially sleeved on the first connecting pipe 10 between the well lid 4 and the ventilation pump 12, the exhaust pipe 11 which is in a vertical state is arranged on the inner wall of the maintenance channel 3, the top end of the exhaust pipe 11 is fixedly connected with the first connecting pipe 10, the first fan blade 15 is arranged at the bottom end of the exhaust pipe 11, a ladder 26 is arranged on the outer wall of the exhaust pipe 11 and is fixedly connected on the inner wall of the maintenance channel 3, the fan 13 is arranged at the bottom end of the exhaust pipe 11 and is fixedly connected on the inner wall of the maintenance channel 3, a protective sleeve is arranged outside the ventilation fan 13. Firstly, the scavenging pump 12 is opened, the air in the inspection well is extracted through the first connecting pipe 10 and the exhaust pipe 11 so that the first fan blade 15 rotates, the first fan blade 15 can conveniently allow the air to enter the exhaust pipe 11, the underground workers can observe whether the exhaust pipe 11 normally works or not, the air upwards passes through the brake shoe through the first fan, the gate valve 16 is used for opening and closing the air extraction, the workers in the inspection well can not be injured by toxic gas in the inspection well when the gas is extracted, the filter 9 is used for filtering the air from the extraction and exhausting the filtered air into harmless gas, the scavenging fan 13 is used for circulating the gas in the inspection well maintenance channel 3, the ventilation in the inspection well is convenient, the toxic gas in the inspection well can be conveniently exhausted by the scavenging pump 12, and the ladder 26 is used for facilitating the operation of the workers in the well.
The outside connection of blast pipe 11 and intake pipe 19 has the fixed cover 7 of semi-circle, blast pipe 11 and intake pipe 19 pass through fixed cover 7 with 3 inner wall fixed connection of inspection shaft main part 2 maintenance passageway. The fixing sleeve 7 is used for fixing the air inlet pipe 19 and the exhaust pipe 11 on the inner wall of the inspection well maintenance channel 3.
The detection box 23 is rectangular, a handle 31 is arranged on the box door 29, the box door 29 is movably connected with the box body through a hinge 30, air exchange grids 25 are arranged on the side walls 24 on two sides of the box body, an exhaust fan 27 is arranged inside the top end of the box body, the top of the box body surrounds the peripheral box walls of the exhaust fan 27, the air exchange grids 25 matched with the exhaust fan 27 are arranged on the top of the box body, the turbulence mechanism 32 is located inside the box body, and the detection instrument 28 is located on a transverse frame of the detection box 23. Because of the inspection underground environment is moist, for guaranteeing the life of interior arrangement, make keep dry also being convenient for detection device in the box to detect the gas in the inspection well, the exhaust fan 27 at box top is used for keeping the dry air circulation that is convenient for in the box to detect, the grid 25 of taking a breath and the box top grid 25 of taking a breath all around of box both sides all are used for the gaseous discharge of detection device, door handle 31 is used for personnel in the pit conveniently to open the maintenance and the observation of box to detection device inside, instrumentation 28 is used for detecting the interior gas of access passage 3.
The disturbing flow mechanism 32 comprises a disturbing flow device 33, an extraction fan 44, a connecting rod mechanism 45 and the extraction fan 44, the extraction fan 44 is fixedly connected to the back plate of the detection box 23, one of the blades of the extraction fan 44 is provided with a driving shaft 47 for connecting the connecting rod mechanism 45, the connecting rod mechanism 45 is positioned between the disturbing flow device 33 and the extraction fan 44, and the disturbing flow device 33 is positioned in the box body of the detection box 23. The power source provided by the cooperation of the suction fan 44 and the link mechanism 45 enables the spoiler mechanism 32 to guide the airflow generated by the discharge fan 27, and also prevents dust from accumulating.
The vortex platform divide into vortex platform 34 and lower vortex platform 40, it is located detection case 23 box top to go up vortex platform 34, lower vortex platform 40 is located detection case 23 bottom half, it all is equipped with square hole 37 on vortex platform 34 and the lower vortex platform 40 to go up vortex platform, be equipped with a plurality of vortex holes 38 that are horizontal line arrangement on the square hole 37 inner wall of last vortex platform 34 and lower vortex platform 40, the cover is equipped with last vortex 36 and the lower vortex 42 that is the horizontality respectively on the vortex hole 38, be equipped with the last spoiler 35 that runs through all last spoilers 36 in last spoiler 36 bottom, be equipped with the lower spoiler 41 that runs through all spoiler 42 down on the top of spoiler 42 down, be equipped with first round pin axle 39 on last spoiler 35 and the same vortex position of lower spoiler 41, second round pin axle 43. The upper spoiler bar 35 and the lower spoiler bar 41 are pulled back and forth, so that the upper spoiler bar 36 and the lower spoiler bar 42 perform reciprocating pendulum motion around the spoiler holes 38, the air flow generated by the exhaust fan 27 is guided, the internal air circulation is promoted, harmful gas in the instrument detection and maintenance channel 3 can be conveniently detected, and dust is not easy to accumulate.
The working principle of the invention is as follows: firstly, a scavenging pump 12 is opened, air in an inspection well is extracted through a first connecting pipe 10 and an exhaust pipe 11 to enable a first fan blade 15 to rotate, the first fan blade 15 can facilitate air to enter the exhaust pipe 11 and also facilitate underground workers to observe whether the exhaust pipe 11 normally works, the air upwards passes through a brake shoe through the first fan, a gate valve 16 is used for opening and closing air extraction, the situation that the workers in the inspection well are injured by toxic gas in the inspection well when the gas is extracted is ensured, a filter 9 is used for filtering the extracted air and exhausting the filtered air into harmless gas, a scavenging fan 13 is used for circulating the gas in an inspection well inspection channel 3, the ventilation pump 12 is convenient to circulate the air in the inspection well, the toxic gas in the inspection well is conveniently exhausted as soon as possible, a ladder 26 is used for facilitating the workers to operate the underground operation, then a blower 20 is opened, the output end of the blower 20 exhausts the air to enter a second connecting pipe 18, then the gas enters the gas inlet pipe 19 until the gas passes through the second fan blade 21 at the bottom end of the gas outlet pipe 11, the second fan blade 21 is used for discharging the gas in the pipeline more quickly and is convenient for the underground workers to check whether the gas inlet device 17 is in operation or not, the fixing sleeve 7 is used for fixing the gas inlet pipe 19, the gas outlet pipe 11 and the inner wall of the inspection well maintenance channel 3, the ventilation device 8 and the gas inlet device 17 ventilate the air in the inspection well through the gas inlet through hole 5 and the ventilation through hole 6, because the environment under the inspection well is moist, the service life of the internal device is ensured, the box body is kept dry and the gas in the inspection well is convenient to detect by the detection device, the exhaust fan 27 at the top of the box body is used for keeping the box body dry and facilitating the circulating detection of the gas flow, the ventilation grilles 25 at the two sides of the box body and the ventilation grilles 25 at the periphery of the top of the box body are also used for discharging the gas of the detection device, and the door handle 31 is used for the underground workers to conveniently open the box body to overhaul and observe the inside of the detection device, the driving rod 46 connected through the driving shaft 47 is driven by the rotation of the pumping fan 44, because the third pin shaft 52 at the other end of the driving shaft 47 is connected with the connecting rod 51, the driving rod 46 rotates along with the pumping fan 44 around the third pin shaft 52 of the connecting rod 51 under the traction of the connecting rod 51, because the other end of the connecting rod 51 is connected with the swinging rod 48 through the swinging shaft, the connecting rod 51 performs reciprocating motion in the horizontal direction under the rotation condition of the driving rod 46, the middle part of the swinging rod 48 is provided with the fixed shaft 49, the two ends of the swinging rod 48 are respectively connected with the upper spoiler rod 35 and the lower spoiler rod 41 through the first pin shaft 39 and the second pin shaft 43, when the connecting rod 51 performs reciprocating motion in the horizontal direction, the swinging rod 48 is pushed to perform reciprocating pendulum motion around the fixed shaft 49, the upper spoiler rod 35 and the lower spoiler rod 41 are simultaneously driven to perform reciprocating motion in the horizontal direction through the swinging of the swinging rod 48, and the reciprocating motion of the upper spoiler 35 and the lower spoiler rod 41 respectively drives the upper spoiler 36 and the lower spoiler 42 to perform reciprocating pendulum motion around the spoiler hole 38 The motion is from this air current that guides exhaust fan 27's production for keep dry in the detection case 23, accelerated inside air circulation, make things convenient for the harmful gas in the detection pipeline, also make the difficult accumulation dust of detection case 23, prolonged the life of device.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a municipal administration pipeline ventilation detection device which characterized in that includes:
the ventilation and air exchange mechanism (1) comprises a manhole main body (2), a manhole cover (4), an air exchange device (8) and an air inlet device (17), wherein an overhaul channel (3) is formed below the manhole main body (2), the manhole cover (4) is arranged at the top end of the overhaul channel (3) of the manhole main body (2), the air exchange device (8) and the air inlet device (17) are respectively arranged on two sides of the manhole cover (4) and penetrate through the manhole cover (4) through pipelines, and the ventilation and air exchange mechanism (1) is used for exchanging air in the manhole main body (2) through the air exchange device (8) and the air inlet device (17);
the detection mechanism (22) comprises a detection box (23) and a turbulence mechanism (32), the detection box (23) is positioned at the top of the inner wall of the overhaul channel (3), the exhaust fan (27) and the turbulence mechanism (32) are sequentially positioned at the top end of the interior of the detection box (23), the detection box (23) is used for detecting the concentration of toxic gas in the air, and the turbulence mechanism (32) is used for keeping the interior of the detection box (23) dry and is also beneficial to the detection of the detection device on the air;
the flow disturbing mechanism (32) comprises a flow disturbing device (33), an extraction fan (44), a connecting rod mechanism (45) and the extraction fan (44), the extraction fan (44) is fixedly connected to a back plate of the detection box (23), one blade of the extraction fan (44) is provided with a driving shaft (47) for connecting the connecting rod mechanism (45), the connecting rod mechanism (45) is positioned between the flow disturbing device (33) and the extraction fan (44), and the flow disturbing device (33) is positioned inside a box body of the detection box (23);
the turbulence device (33) comprises an upper turbulence platform (34) and a lower turbulence platform (40), the upper turbulence platform (34) is located at the top of a detection box (23) box, the lower turbulence platform (40) is located at the bottom of the detection box (23) box, square holes (37) are formed in the upper turbulence platform (34) and the lower turbulence platform (40), a plurality of turbulence holes (38) which are horizontally and linearly arranged are formed in the inner walls of the square holes (37) of the upper turbulence platform (34) and the lower turbulence platform (40), an upper turbulence rod (35) which penetrates through all the upper turbulence plates (36) and a lower turbulence rod (41) which penetrates through all the lower turbulence plates (42) are respectively sleeved on the turbulence holes (38), a first pin shaft (39) is arranged on the same positions of the upper turbulence rod (35) and the lower turbulence rod (41), A second pin (43);
the connecting rod mechanism (45) comprises a driving rod (46), a swinging rod (48) and a connecting rod (51), the swinging rod (48) is positioned between the upper turbulent flow platform (34) and the lower turbulent flow platform (40), two ends of the swinging rod are respectively connected with the upper turbulent flow rod (35) and the lower turbulent flow rod (41) through a first pin shaft (39) and a second pin shaft (43), a fixing shaft (49) and a connecting shaft (50) are arranged in the middle of the swinging rod (48), the fixing shaft (49) is fixedly connected to a box body back plate of the detection box (23), the connecting rod (51) is positioned between the swinging rod (48) and the driving rod (46), two ends of the connecting rod are respectively connected with the connecting shaft (50) and the third pin shaft (52) of the swinging rod (48), the driving rod (46) is positioned between the exhaust fan (44) and the connecting rod (51), and two ends of the driving rod (46) are respectively connected to a driving shaft (47) and a third pin shaft (52) which are fixedly connected to the exhaust fan (44).
2. The municipal pipeline ventilation detection device according to claim 1, wherein the manhole cover (4) is provided with an air inlet through hole (5) and an air exchange through hole (6), and the air exchange device (8) and the air inlet device (17) respectively penetrate through the air inlet through hole (5) and the air exchange through hole (6).
3. The municipal pipeline ventilation detection device according to claim 1, wherein the ventilation device (8) comprises a first connection pipe (10), a vent pipe (11), a gate valve (16), a filter (9), a ventilation pump (12), a ventilation fan (13), and first fan blades (15), the ventilation pump (12) is located beside the well lid (4), the output end of the ventilation pump (12) is fixedly connected with the first connection pipe (10) which is horizontally arranged, the other end of the first connection pipe (10) penetrates through the ventilation through hole (6) of the well lid (4) to enter the inspection well maintenance channel (3), the gate valve (16) and the filter (9) are sequentially sleeved on the first connection pipe (10) between the well lid (4) and the ventilation pump (12), the vent pipe (11) which is in a vertical state is arranged on the inner wall of the maintenance channel (3), and the top end of the vent pipe (11) is fixedly connected with the first connection pipe (10), the bottom end of the exhaust pipe (11) is provided with a first fan blade (15), the exhaust pipe (11) is provided with a ladder stand (26) and is fixedly connected to the inner wall of the maintenance channel (3), the bottom end of the exhaust pipe (11) is provided with a ventilation fan (13) and is fixedly connected to the inner wall of the maintenance channel (3), and a protective sleeve is arranged outside the ventilation fan (13).
4. The municipal pipeline ventilation and ventilation detection device according to claim 1, wherein the air inlet device (17) comprises a second connecting pipe (18), an air inlet pipe (19), an air blower (20) and second fan blades (21), the air blower (20) is located on one side of the well lid (4) far away from the ventilation pump (12), the output end of the air blower (20) is fixedly connected with the second connecting pipe (18) which is horizontally arranged, the other end of the second connecting pipe (18) penetrates through the air inlet through hole (5) of the well lid (4) to enter the inspection well maintenance channel (3), the air inlet pipe (19) which is in a vertical state is arranged on the inner wall of the maintenance channel (3), the top end of the air inlet pipe (19) is fixedly connected with the second connecting pipe (18), and the bottom end of the air inlet pipe (19) is provided with the second fan blades (21).
5. The municipal pipeline ventilation and ventilation detection device according to claim 3, wherein a semicircular fixing sleeve (7) is connected to the outside of the exhaust pipe (11) and the air inlet pipe (19), and the exhaust pipe (11) and the air inlet pipe (19) are fixedly connected with the inner wall of the inspection well main body (2) maintenance channel (3) through the fixing sleeve (7).
6. The municipal pipeline ventilation detection device of claim 1, wherein the detection box (23) is rectangular, a handle (31) is arranged on the box door (29), the box door (29) is movably connected with the box body through a hinge (30), ventilation gratings (25) are arranged on the side walls (24) on two sides of the box body, an exhaust fan (27) is arranged inside the top end of the box body, the ventilation gratings (25) matched with the exhaust fan (27) are arranged on the walls of the box body surrounding the periphery of the exhaust fan (27) at the top of the box body, the turbulence mechanism (32) is positioned inside the box body, and the detection instrument (28) is positioned on the cross frame of the detection box (23).
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