CN111735912A - Environmental reconnaissance device that building engineering can survey air quality - Google Patents

Environmental reconnaissance device that building engineering can survey air quality Download PDF

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Publication number
CN111735912A
CN111735912A CN202010642216.3A CN202010642216A CN111735912A CN 111735912 A CN111735912 A CN 111735912A CN 202010642216 A CN202010642216 A CN 202010642216A CN 111735912 A CN111735912 A CN 111735912A
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surveying device
air quality
inner cavity
shell
water
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CN202010642216.3A
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Chinese (zh)
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卢伟锦
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0011Sample conditioning

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
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  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
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Abstract

The invention discloses an environment survey device for surveying air quality in constructional engineering, which belongs to the technical field of constructional engineering and comprises a fixed base, pulleys are connected to the outer walls of the left side and the right side of the fixed base through brackets, fastening screw rods are connected to the outer walls of the brackets connected with the pulleys in a threaded manner, a driving motor is arranged at the bottom of an inner cavity of the fixed base, the output end of the driving motor is connected with a rotating shaft through a speed reducer, the top of the rotating shaft is connected with a supporting plate block, electric push rods are arranged on the left side and the right side of the top of the supporting plate block, the top of each electric push rod is connected with a fixed shell, a primary surveying device is arranged at the top of the inner cavity of the fixed shell, the outer walls of the left side and the right side of the primary surveying device are connected with an air inlet pipe, a, and the air quality in different environments is observed, so that the resource is saved, and the environment protection is facilitated.

Description

Environmental reconnaissance device that building engineering can survey air quality
Technical Field
The invention relates to the technical field of constructional engineering, in particular to an environment exploration device for surveying air quality in constructional engineering.
Background
When the construction is carried out on the building site of construction, can not cause the influence to health in order to guarantee the building site environment, generally all can carry out the quality detection to the air circumstance of building site, the device that current building site air circumstance quality detected, generally can only detect original environment, can not detect according to the environment of difference, the workman generally wears the gauze mask at the in-process of construction and filters the air, can't detect out whether the air after the filtration reaches, the building site generally can adopt the shower water to soak the air simultaneously, detection device also can't detect out the air quality after the water shower. For this purpose, we propose an environmental survey device for air quality survey in construction engineering.
Disclosure of Invention
The invention aims to provide an environment exploration device for air quality exploration in construction engineering, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: an environment survey device for air quality survey in constructional engineering comprises a fixed base, pulleys are connected to the outer walls of the left side and the right side of the fixed base through supports, fastening screws are connected to the outer walls of the supports through threads of the outer walls of the supports connected with the pulleys, a driving motor is arranged at the bottom of an inner cavity of the fixed base, an output end of the driving motor is connected with a rotating shaft through a speed reducer, the top of the rotating shaft is connected with a supporting plate block, the supporting plate block is movably arranged at the top of the fixed base, electric push rods are arranged on the left side and the right side of the top of the supporting plate block, the top of the electric push rods is connected with a fixed shell, a primary survey device is arranged at the top of the inner cavity of the fixed shell, air inlet pipes are connected to the outer walls of the left side and the right side of, the breather pipe is connected to the bottom that the device was surveyed to the one-level, and the one-level is surveyed the device and is communicate second grade survey device and tertiary survey device respectively through the breather pipe, the preceding terminal surface that device, second grade were surveyed device and tertiary survey device is surveyed to the one-level is all set up the air quality detector, the middle part position of fixed casing inner chamber bottom sets up the air extractor, and the air extractor communicates second grade respectively through the trachea and surveys device and tertiary survey device, the top of support plate sets up the ponding device, the water pipe is connected at the top of ponding device, and the top intercommunication of water pipe is in the bottom of tertiary survey device, the top of tertiary survey device sets up the water storage box, the inlet tube is connected to the left end of water storage box.
Further, the second-level surveying device comprises a first shell fixedly arranged at the bottom of an inner cavity of the first fixed shell, a sealing plate is movably inserted into the inner cavity of the first shell, the bottom of the sealing plate is connected with an outer frame, a first filter screen, a second filter screen and a third filter screen are arranged in the inner cavity of the outer frame, a movable cover plate is connected to the bottom of the outer frame, and the movable cover plate is movably clamped at the bottom of the first shell.
Further, tertiary survey device is including the fixed casing two that sets up in fixed casing inner chamber bottom, the inner chamber top of casing two sets up the catch basin, the bottom of catch basin evenly sets up the shower nozzle, two right side inner walls of casing set up waterproof ventilated membrane.
Further, ponding device sets up the water receiving box at the support plate top including the activity, the inner chamber bottom of water receiving box sets up the sedimentation tank, the inner chamber bottom of sedimentation tank sets up the arm-tie, the inner wall activity of arm-tie sets up the connecting rod, the outer wall winding stay cord of connecting rod, the inner chamber setting of water receiving box adsorbs the cotton web, the inner wall that adsorbs the cotton web sets up floats the ball, and the top of stay cord is connected and is floated the ball.
Furthermore, both sides all set up the leading wheel about the bottom of support plate, and the leading wheel is the universal wheel, unable adjustment base's top sets up the spacing slide rail that matches with the leading wheel.
Furthermore, the aperture of the first filter screen, the second filter screen and the third filter screen is sequentially reduced from left to right, a sealing ring is arranged at the joint of the movable cover plate and the first shell, and an open slot matched with the movable cover plate is formed in the bottom of the fixed shell.
Furthermore, the top of the fastening screw rod is provided with a quincunx rotating handle, and the bottom of the fastening screw rod is provided with a buffer gasket with anti-skid grains.
Furthermore, the bottom of ponding device sets up spacing fixture block, the top of support plate sets up the spacing draw-in groove that matches with spacing fixture block.
Compared with the prior art, the invention has the beneficial effects that:
1. the air enters the primary surveying device for the most original quality detection, the on-site air quality can be visually detected, and meanwhile, the device can be lifted and rotated, so that the quality detection of the air at different angles and heights can be realized;
2. the invention is provided with the secondary surveying device and the tertiary surveying device which can respectively detect the air quality after being filtered and the air quality after being mixed with water, thereby comparing the three groups of obtained quality data and more intuitively observing the air quality in different environments;
3. the adsorption cotton net and the sedimentation tank in the water accumulation device are convenient for collecting sediments in water, accumulated water in the water accumulation device can be poured into the water storage tank again after being quiesced, resources are saved, and environmental protection is facilitated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a two-stage survey apparatus according to the present invention;
FIG. 3 is a schematic diagram of a three-level survey apparatus of the present invention;
fig. 4 is a schematic structural diagram of the water accumulation device.
In the figure: 1. a fixed base; 2. a pulley; 3. fastening a screw rod; 4. a drive motor; 5. a support plate; 6. an electric push rod; 7. a stationary housing; 8. a primary survey apparatus; 9. an air inlet pipe; 10. a secondary survey device; 101. a first shell; 102. a sealing plate; 103. an outer frame; 104. a first filter screen; 105. a second filter screen; 106. a third filter screen; 107. a removable cover plate; 11. a tertiary survey apparatus; 111. a second shell; 112. a water storage tank; 113. a spray head; 114. a waterproof breathable film; 12. a breather pipe; 13. a water inlet pipe; 14. an air quality detector; 15. an air extractor; 16. a water accumulation device; 161. a water receiving box; 162. a sedimentation tank; 163. pulling a plate; 164. a connecting rod; 165. pulling a rope; 166. adsorbing the cotton net; 167. floating the ball; 17. a water pipe; 18. a water storage tank.
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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: an environment survey device for air quality survey in constructional engineering, please refer to fig. 1, which comprises a fixed base 1, wherein the outer walls of the left side and the right side of the fixed base 1 are connected with a pulley 2 through a support, the outer wall of the support connected with the pulley 2 is connected with a fastening screw rod 3 through threads, the fixed base 1 is made of stainless steel, the fixed base 1 can move through the pulley 2, the fixed base moves to a construction site for air quality survey, the fastening screw rod 3 can be rotated when the fixed base moves to the survey site, the fastening screw rod 3 is pressed on the ground, and the fixed base 1 can be fixed, so that good stability is ensured when the air quality is detected;
referring to fig. 1 again, a driving motor 4 is arranged at the bottom of an inner cavity of a fixed base 1, an output end of the driving motor 4 is connected with a rotating shaft through a speed reducer, the top of the rotating shaft is connected with a supporting plate 5, the supporting plate 5 is movably arranged at the top of the fixed base 1, electric push rods 6 are arranged on the left side and the right side of the top of the supporting plate 5, the top of each electric push rod 6 is connected with a fixed shell 7, the driving motor 4 and the electric push rods 6 are connected with a power supply through a control switch to operate, the supporting plate 5 can be driven to rotate through the rotating shaft when the driving motor 4 operates, the supporting plate 5 drives the fixed shell 7 at the top of the electric push rods 6 to rotate, the air inlet direction of an air inlet pipe 9 on the fixed shell 7 can be adjusted, the electric push rods 6;
referring to fig. 1 again, a first-level surveying device 8 is disposed on the top of the inner cavity of the fixed casing 7, an air inlet pipe 9 is connected to the outer walls of the left and right sides of the first-level surveying device 8, a second-level surveying device 10 is disposed on the left side of the bottom of the inner cavity of the fixed casing 7, a third-level surveying device 11 is disposed on the right side of the bottom of the inner cavity of the fixed casing 7, an air vent pipe 12 is connected to the bottom of the first-level surveying device 8, the first-level surveying device 8 is respectively communicated with the second-level surveying device 10 and the third-level surveying device 11 through the air vent pipe 12, air quality detectors 14 are disposed on the front end faces of the first-level surveying device 8, air enters the first-level surveying device 8 through the air inlet pipe 9, an air suction machine for sucking air is disposed in the first-level surveying device 8, the external air, then the air enters the second-level surveying device 10 and the third-level surveying device 11 through the vent pipe 12 respectively, the air which can enter the second-level surveying device 10 can be filtered, the quality of the filtered air is detected, and the water mist can be sprayed on the air which enters the third-level surveying device 11, so that the quality of the air after humidification is detected;
referring to fig. 1 again, an air pump 15 is disposed at the middle position of the bottom of the inner cavity of the fixed casing 7, the air pump 15 is respectively communicated with the second-level surveying device 10 and the third-level surveying device 11 through an air pipe, the air pump 15 can pump out air after the detection of the second-level surveying device 10 and the third-level surveying device 11, so that the air circularly flows, a water collecting device 16 is disposed at the top of the supporting plate 5, a water pipe 17 is connected to the top of the water collecting device 16, the top of the water pipe 17 is communicated with the bottom of the third-level surveying device 11, a water storage tank 18 is disposed at the top of the third-level surveying device 11, a water inlet pipe 13 is connected to the left end of the water storage tank 18, the left end of the water inlet pipe 13 penetrates to the left side of the fixed casing 7, water enters the water storage tank 18 through the water inlet pipe 13, water in the water storage tank, the sprayed water flows into the water accumulation device 16 through the water pipe 17 to be stored, so that the accumulated water is conveniently treated;
referring to fig. 2, the secondary surveying device 10 includes a first casing 101 fixedly disposed at the bottom of an inner cavity of the first casing 7, a sealing plate 102 movably inserted into the inner cavity of the first casing 101, a bottom of the sealing plate 102 is connected to an outer frame 103, a first filter screen 104, a second filter screen 105 and a third filter screen 106 are disposed in the inner cavity of the outer frame 103, the bottom of the outer frame 103 is connected to a movable cover plate 107, the movable cover plate 107 is movably clamped at the bottom of the first casing 101, after air enters the first casing 101, the inner cavity of the first casing 101 is divided into a left cavity and a right cavity by the sealing plate 102, when air enters the left side of the sealing plate 102 and flows to the right side of the sealing plate 102, the air passes through the first filter screen 104, the second filter screen 105 and the third filter screen 106 in sequence, and the filtered air enters the right side of the sealing plate 102, so that, The second filter screen 105 and the third filter screen 106 are drawn out of the first shell 101, and the first filter screen 104, the second filter screen 105 and the third filter screen 106 are cleaned;
referring to fig. 3, the third-stage surveying device 11 includes a second casing 111 fixedly disposed at the bottom of the inner cavity of the stationary casing 7, a water storage tank 112 is disposed at the top of the inner cavity of the second casing 111, nozzles 113 are uniformly disposed at the bottom of the water storage tank 112, and a waterproof breathable film 114 is disposed on the inner wall of the right side of the second casing 111, so that water firstly enters the water storage tank 112 and then is sprayed out through the nozzles 113 at the bottom of the water storage tank 112, the nozzles 113 are atomizing nozzles, which can ensure more sufficient mixing with air, and the waterproof breathable film 114 is disposed at the air outlet to prevent water from flowing out through the air outlet;
referring to fig. 4, the water collecting device 16 includes a water receiving box 161 movably disposed on the top of the support plate 5, a sedimentation tank 162 is disposed at the bottom of an inner cavity of the water receiving box 161, a pulling plate 163 is disposed at the bottom of the inner cavity of the sedimentation tank 162, a connecting rod 164 is movably disposed on an inner wall of the pulling plate 163, a pulling rope 165 is wound around an outer wall of the connecting rod 164, an adsorption cotton net 166 is disposed in the inner cavity of the water receiving box 161, a floating ball 167 is disposed on an inner wall of the adsorption cotton net 166, and the top of the pulling rope 165 is connected to the floating ball 167, so that the floating ball 167 can drive the adsorption cotton net 166 to ascend in the water receiving box 161 to enable the adsorption cotton net 166 to adsorb particles in water, and meanwhile, the sediment remaining in water can sink in the inner cavity of the sedimentation tank 162, when water needs to be discharged, the connecting rod 164 can be rotated, and the connecting rod 164 can, so that the connecting rod 164 rotates to drive the adsorption cotton net 166 to descend, so that the adsorption cotton net 166 descends to the top of the sedimentation tank 162, and then the pulling plate 163 can be pulled out while the sedimentation tank 162 is pulled out from the water receiving box 161;
referring to fig. 1 again, the left side and the right side of the bottom of the support plate 5 are both provided with guide wheels, the guide wheels are universal wheels, the top of the fixed base 1 is provided with a limiting slide rail matched with the guide wheels, and the guide wheels can limit and slide in the limiting slide rail, so that the support plate 5 has stronger stability when rotating;
referring to fig. 2 again, the aperture of the first filter screen 104, the second filter screen 105 and the third filter screen 106 decreases from left to right in sequence, the joint of the movable cover plate 107 and the first housing 101 is provided with a sealing ring, the bottom of the fixed housing 7 is provided with an open slot matched with the movable cover plate 107, and the first filter screen 104, the second filter screen 105 and the third filter screen 106 can filter the entering air layer by layer, so that the air is ensured to be filtered when the gas in the first housing 101 is detected.
Referring to fig. 1 again, the top of the fastening screw 3 is provided with a quincunx rotating handle, the bottom of the fastening screw 3 is provided with a buffer gasket with anti-skid grains, the quincunx handle can drive the fastening screw 3 to rotate more easily, and the fastening screw can be pressed on the ground through the buffer gasket, so that the stability of the fixing base 1 is ensured;
referring to fig. 1 again, the bottom of the water accumulation device 16 is provided with a limiting clamping block, the top of the support plate 5 is provided with a limiting clamping groove matched with the limiting clamping block, and the limiting clamping block is clamped in the limiting clamping groove, so that the water accumulation device 16 can be conveniently dismounted from the support plate 5.
Example (b): the fixing base 1 can move through the pulley 2, move to a construction site for air quality survey, move to a survey place and can rotate the fastening screw 3, so that the fastening screw 3 is pressed on the ground, the fixing base 1 can be fixed, the driving motor 4 and the electric push rod 6 are operated through connection of the control switch and a power supply, the driving motor 4 can drive the supporting plate 5 to rotate through a rotating shaft when in operation, the supporting plate 5 drives the fixing shell 7 at the top of the electric push rod 6 to rotate, the air inlet direction of the air inlet pipe 9 on the fixing shell 7 can be adjusted, the electric push rod 6 can drive the fixing shell 7 to move up and down, the air quality of different height positions on the construction site is detected, the inner cavity of the shell I101 is divided into a left cavity and a right cavity through the sealing plate 102, and the air enters into the left side of the sealing, when the water flows to the right side of the sealing plate 102, the water passes through the first filter screen 104, the second filter screen 105 and the third filter screen 106 in sequence, the filtered air enters the right side of the sealing plate 102, so that the air quality detector 14 can detect the quality of the filtered air, the sealing plate 102, the first filter screen 104, the second filter screen 105 and the third filter screen 106 can be driven by the movable cover plate 107 to be drawn out from the first shell 101, the first filter screen 104, the second filter screen 105 and the third filter screen 106 are cleaned, when the water enters the second shell 111, the water firstly enters the water storage tank 112 and then is sprayed out by the spray head 113 at the bottom of the water storage tank 112, the spray head 113 adopts an atomizing spray head, so that the water can be fully mixed with the air, the waterproof breathable film 114 is arranged at the position of the air outlet, the water can be prevented from flowing out through the air outlet, after the water enters the water accumulation device 16, make and adsorb the particulate matter that cotton net 166 can adsorb the aquatic, deposit that remains in the aquatic can sink in the inner chamber of sedimentation tank 162 simultaneously, when needing to discharge water, can swivelling joint pole 164, connecting rod 164 then can drive stay cord 165 winding on the outer wall of connecting rod 164, thereby can make connecting rod 164 drive when rotatory and adsorb cotton net 166 and descend, make and adsorb cotton net 166 and descend to the top of sedimentation tank 162, then will can take out the arm-tie 163 and drive the sedimentation tank 162 to take out from water receiving box 161 simultaneously.
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 (8)

1. The utility model provides a building engineering can be to environment reconnaissance device that air quality surveyed, includes unable adjustment base (1), its characterized in that: pulleys (2) are connected to the outer walls of the left side and the right side of the fixed base (1) through supports, fastening screws (3) are connected to the outer walls of the supports connected by the pulleys (2) in a threaded mode, a driving motor (4) is arranged at the bottom of an inner cavity of the fixed base (1), the output end of the driving motor (4) is connected with a rotating shaft through a speed reducer, a supporting plate block (5) is connected to the top of the rotating shaft, the supporting plate block (5) is movably arranged at the top of the fixed base (1), electric push rods (6) are arranged on the left side and the right side of the top of the supporting plate block (5), a fixed shell (7) is connected to the top of the electric push rods (6), a primary surveying device (8) is arranged at the top of the inner cavity of the fixed shell (7), an air inlet pipe (9) is connected to the outer walls of the, the right side of the bottom of the inner cavity of the fixed shell (7) is provided with a three-level surveying device (11), the bottom of the one-level surveying device (8) is connected with a vent pipe (12), the one-level surveying device (8) is respectively communicated with a two-level surveying device (10) and a three-level surveying device (11) through the vent pipe (12), the front end faces of the one-level surveying device (8), the two-level surveying device (10) and the three-level surveying device (11) are respectively provided with an air quality detector (14), the middle position of the bottom of the inner cavity of the fixed shell (7) is provided with an air pump (15), the air pump (15) is respectively communicated with the two-level surveying device (10) and the three-level surveying device (11) through an air pipe, the top of the support plate block (5) is provided with a water logging device (16), the top of the water logging device (16) is connected with a, the top of the three-level surveying device (11) is provided with a water storage tank (18), the left end of the water storage tank (18) is connected with a water inlet pipe (13), and the left end of the water inlet pipe (13) penetrates through the left side of the fixed shell (7).
2. An environmental survey apparatus for air quality survey in construction works according to claim 1, wherein: the second-level surveying device (10) comprises a first shell (101) fixedly arranged at the bottom of an inner cavity of the first fixed shell (7), an inner cavity of the first shell (101) is movably inserted with a sealing plate (102), the bottom of the sealing plate (102) is connected with an outer frame (103), the inner cavity of the outer frame (103) is provided with a first filter screen (104), a second filter screen (105) and a third filter screen (106), the bottom of the outer frame (103) is connected with a movable cover plate (107), and the movable cover plate (107) is movably clamped at the bottom of the first shell (101).
3. An environmental survey apparatus for air quality survey in construction works according to claim 1, wherein: the three-stage surveying device (11) comprises a second shell (111) fixedly arranged at the bottom of the inner cavity of the fixed shell (7), a water storage tank (112) is arranged at the top of the inner cavity of the second shell (111), spray heads (113) are uniformly arranged at the bottom of the water storage tank (112), and a waterproof breathable film (114) is arranged on the inner wall of the right side of the second shell (111).
4. An environmental survey apparatus for air quality survey in construction works according to claim 1, wherein: ponding device (16) sets up water receiving box (161) at support plate (5) top including the activity, the inner chamber bottom of water receiving box (161) sets up sedimentation tank (162), the inner chamber bottom of sedimentation tank (162) sets up arm-tie (163), the inner wall activity of arm-tie (163) sets up connecting rod (164), the outer wall winding stay cord (165) of connecting rod (164), the inner chamber of water receiving box (161) sets up adsorbs cotton web (166), the inner wall that adsorbs cotton web (166) sets up floats ball (167), and floats ball (167) is connected at the top of stay cord (165).
5. An environmental survey apparatus for air quality survey in construction works according to claim 1, wherein: the left side and the right side of the bottom of the supporting plate block (5) are both provided with guide wheels, the guide wheels are universal wheels, and the top of the fixed base (1) is provided with a limiting slide rail matched with the guide wheels.
6. An environmental survey apparatus for air quality survey in construction works according to claim 2, wherein: filter screen one (104), filter screen two (105) and filter screen three (106) diminish in proper order from left to right mesh aperture, removable cover (107) and casing one (101) junction set up the sealing washer, and the bottom of fixed casing (7) sets up the open slot that matches with removable cover (107).
7. An environmental survey apparatus for air quality survey in construction works according to claim 1, wherein: the top of the fastening screw rod (3) is provided with a quincunx rotating handle, and the bottom of the fastening screw rod (3) is provided with a buffer gasket with anti-skid grains.
8. An environmental survey apparatus for air quality survey in construction works according to claim 1, wherein: the bottom of the water accumulation device (16) is provided with a limiting clamping block, and the top of the supporting plate block (5) is provided with a limiting clamping groove matched with the limiting clamping block.
CN202010642216.3A 2020-07-06 2020-07-06 Environmental reconnaissance device that building engineering can survey air quality Withdrawn CN111735912A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010642216.3A CN111735912A (en) 2020-07-06 2020-07-06 Environmental reconnaissance device that building engineering can survey air quality

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Application Number Priority Date Filing Date Title
CN202010642216.3A CN111735912A (en) 2020-07-06 2020-07-06 Environmental reconnaissance device that building engineering can survey air quality

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CN111735912A true CN111735912A (en) 2020-10-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112285299A (en) * 2020-12-28 2021-01-29 南京宏佳金属制品有限公司 New-type environmental protection building material formaldehyde check out test set
CN113514618A (en) * 2021-08-11 2021-10-19 江苏标普检测科技有限公司 Waste gas emission detection device of industry solid waste treatment equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112285299A (en) * 2020-12-28 2021-01-29 南京宏佳金属制品有限公司 New-type environmental protection building material formaldehyde check out test set
CN112285299B (en) * 2020-12-28 2021-05-11 浙江华正检测有限公司 Environment-friendly building material formaldehyde check out test set
CN113514618A (en) * 2021-08-11 2021-10-19 江苏标普检测科技有限公司 Waste gas emission detection device of industry solid waste treatment equipment

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