CN115127876A - Sampling device of gaseous sample for environmental detection - Google Patents
Sampling device of gaseous sample for environmental detection Download PDFInfo
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- CN115127876A CN115127876A CN202210640648.XA CN202210640648A CN115127876A CN 115127876 A CN115127876 A CN 115127876A CN 202210640648 A CN202210640648 A CN 202210640648A CN 115127876 A CN115127876 A CN 115127876A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The invention relates to the technical field of environmental detection, and discloses a sampling device of a gaseous sample for environmental detection, which comprises an aircraft main body and sampling assemblies arranged on the aircraft main body, wherein auxiliary cabinets are symmetrically arranged on two sides of the aircraft main body, a cavity is arranged in the aircraft main body, the top of the cavity is fixedly connected with a driving motor, the bottom of the cavity is provided with an annular groove, a rotating ring is rotatably connected in the annular groove, the top of the rotating ring is fixedly connected with a first bevel gear, an output shaft of the driving motor is fixedly connected with the top surface of the first bevel gear, the bottom of the first bevel gear is fixedly connected with a connecting column, the bottom of the connecting column is connected with the sampling assemblies, one side wall of the cavity is rotatably connected with a first lead screw, and the end part of the first lead screw is connected with a second bevel gear through a clutch assembly.
Description
Technical Field
The invention relates to the technical field of environment detection, in particular to a sampling device of a gaseous sample for environment detection.
Background
With the development of industrial enterprises and the improvement of living standard of people, the emission of industrial waste gas and domestic waste gas is more and more. In order to protect the health of people, the ambient air needs to be monitored so as to take corresponding protective measures, and a gas sampling device is one of necessary components of air monitoring equipment.
The patent of the utility model CN214794040U Chinese utility model discloses a gas sampling device for ecological environment detection can collect fast, including diaphragm and handheld controller, the bilateral symmetry in diaphragm top is provided with the jib, diaphragm bottom left side is equipped with two sets of clamping parts side by side, and the centre gripping has placed the sampling bottle in two sets of clamping parts, the left end of sampling bottle is the opening, and the right-hand member of sampling bottle is equipped with the annular mouth, be provided with piston assembly in the sampling bottle, diaphragm bottom right side is provided with the mounting panel, the mounting panel right-hand member is installed electric putter, and this scheme binds collection device and unmanned aerial vehicle and uses, has realized the collection to the high altitude gas or the regional gas that is difficult to reach, has enriched the mode of gas sampling; piston assembly, bottle, handheld controller, electric putter etc. through the design, through remote control, can realize gaseous quick collection, easy operation is convenient, and the gas sealing performance who takes is good.
However, the above patents have the following disadvantages: firstly, when detecting air at different building heights, workers need to run into homes at different building heights and then open windows to detect the air, so that detection control can disturb residents, and the working efficiency is low;
second, unmanned aerial vehicle carries collection system to enter into when appointed altitude, can stop in the collection area for the guarantee collection system, and unmanned aerial vehicle need continuously be in flight state, and under flight state, the produced wind pressure of unmanned aerial vehicle flight can disturb the air current of collection area department, leads to the air of collection area department to change to the air that collection system gathered is nonstandard.
Disclosure of Invention
The invention aims to provide a sampling device of a gaseous sample for environment detection, which solves the problems in the background art.
The invention provides a sampling device of a gaseous sample for environmental detection, which comprises an aircraft main body and sampling components arranged on the aircraft main body, wherein auxiliary cabinets are symmetrically arranged on two sides of the aircraft main body, a cavity is arranged in the aircraft main body, the top of the cavity is fixedly connected with a driving motor, the bottom of the cavity is provided with a ring groove, a rotating ring is rotatably connected in the ring groove, the top of the rotating ring is fixedly connected with a first bevel gear, an output shaft of the driving motor is fixedly connected with the top surface of the first bevel gear, the bottom of the first bevel gear is fixedly connected with a connecting column, the bottom of the connecting column is connected with the sampling components, one side wall of the cavity is rotatably connected with a first screw rod, a clutch component is arranged on the first screw rod, the end part of the first screw rod is connected with a second bevel gear through the clutch component, and the second bevel gear is meshed with the first bevel gear, the screw thread connection has first lead screw cover on the first lead screw, be provided with first spacing subassembly on the first lead screw cover, first lead screw cover through first spacing subassembly with the cavity inner wall links to each other, the one end symmetry fixedly connected with push rod of second bevel gear is kept away from to first lead screw cover, symmetry fixedly connected with sleeve on the outer wall of aircraft main part one side, the push rod inserts in the sleeve, the push rod inserts one end fixedly connected with sealing plug in the sleeve, the sealing plug is in sliding connection in the sleeve, the one end fixedly connected with rubber suction cup of aircraft main part is kept away from to the sleeve.
Preferably, the first limiting assembly comprises two first connecting strips, the two first connecting strips are symmetrically and fixedly connected to two side walls of the first screw rod sleeve, first limiting grooves are symmetrically formed in the cavity, first limiting strips are fixedly connected to the first connecting strips, and the first limiting strips are in sliding connection with the first limiting grooves.
Preferably, two extrusion assemblies are symmetrically arranged on each of the two auxiliary cabinets, the two extrusion assemblies are connected through a transmission assembly, each extrusion assembly comprises a second lead screw and a second lead screw sleeve, one end of the second lead screw is rotatably connected with the inner wall of the auxiliary cabinet, the second lead screw sleeve is in threaded connection with the second lead screw, the second lead screw sleeve is connected with the inner wall of the auxiliary cabinet through the second limiting assembly, one side, close to the transmission assembly, of the second lead screw is connected with a third bevel gear through a clutch assembly, the third bevel gear is connected with the transmission assembly, a first connecting rod is fixedly connected to the outer wall of the second lead screw sleeve, an L-shaped pipe is arranged on the auxiliary cabinet, one end of the L-shaped pipe is inserted into the auxiliary cabinet, the other end of the L-shaped pipe extends to the outside of the auxiliary cabinet, and the first connecting rod is inserted into the L-shaped pipe, the inner portion of the other end of the L-shaped pipe is connected with a second connecting rod in a sliding mode, the first connecting rod and the second connecting rod are inserted into one end of the L-shaped pipe and are fixedly connected with oil plugs, hydraulic oil is filled between the two oil plugs, tension assemblies are further arranged in the two oil plugs, the transmission assembly is connected with the output shaft of the driving motor through a belt, and the second connecting rod is exposed out of one end of the L-shaped pipe and is fixedly connected with an extrusion block.
Preferably, the transmission assembly comprises a transmission shaft, the inner wall of the auxiliary cabinet is symmetrically and fixedly connected with a support, the transmission shaft penetrates through the support and is rotatably connected with the support, the top and the bottom of the transmission shaft are fixedly connected with fourth bevel gears, the fourth bevel gears are respectively meshed with the third bevel gears and are connected with the third bevel gears, belt wheels are fixedly connected to the transmission shaft and the output shaft of the driving motor, and the belt wheels are connected with the belt wheels through belts.
Preferably, the tension assembly comprises a steel wire rope, two frameworks are arranged inside the oil plug, two ends of the steel wire rope are fixedly connected with the two frameworks respectively, supporting rods are symmetrically and fixedly connected to the inner wall of the corner of the L-shaped pipe, a pulley is rotatably connected between the supporting rods, and the pulley is abutted against the steel wire rope.
Preferably, the second limiting assembly comprises a second connecting strip, the end part of the second connecting strip is fixedly connected with a second limiting strip, a second limiting groove is symmetrically formed in the auxiliary cabinet, and the second limiting strip is connected with the second limiting groove in a sliding mode.
Preferably, fixedly connected with shovel board on the extrusion piece periphery wall, a terminal surface that aircraft main part was kept away from to the shovel board with distance between the aircraft main part is less than a terminal surface that aircraft main part was kept away from to rubber suction cup with distance between the aircraft main part.
Preferably, the sampling component comprises a shell, the bottom of the connecting column is fixedly connected with the top of the shell, the bottom of the shell is fixedly connected with a negative pressure pump, the bottom of the shell is fixedly provided with an air outlet, a first electromagnetic valve is fixedly connected with the air outlet, an air pipe is fixedly connected with the top of the negative pressure pump, the air pipe is inserted into the air outlet and is in threaded connection with the air outlet, and a second electromagnetic valve is fixedly connected with the side wall of the shell.
Preferably, the outer side wall of the auxiliary cabinet is symmetrically and fixedly connected with connecting lugs, the bottom of each connecting lug is fixedly connected with an outer sleeve, a first spring is fixedly connected inside the outer sleeve, an inner sleeve is connected inside the outer sleeve in an embedded mode, the top of the inner sleeve is fixedly connected with the first spring, and the bottom of the inner sleeve is fixedly connected with a rubber pad.
Preferably, the clutch assembly comprises a plurality of clamping blocks and a plurality of second springs, a plurality of bayonets are formed in the end portions of the first screw rod and the second screw rod, the clamping blocks are connected with the bayonet joints, a plurality of mounting grooves are formed in the inner peripheral wall of the third bevel gear and the second bevel gear, the second springs are fixed in the mounting grooves, and the other ends of the second springs are fixedly connected with the clamping blocks.
Compared with the prior art, the invention has the beneficial effects that:
(1) the aircraft main body is used for flying the whole sampling device, when the aircraft main body flies to a specified floor height, the aircraft main body controls the whole sampling device to move towards a window of a floor so that the rubber suction cups are adsorbed on window glass, then the driving motor is started to drive the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the first screw rod to rotate so as to control the first screw rod sleeve to move towards the window, the push rod extrudes the rubber suction cups from the inside of the sleeve, gaps between the rubber suction cups and the glass are reduced, the adsorption force of the rubber suction cups on the glass is increased, the stability of the whole sampling device is enhanced, then the aircraft main body stops flying, so that the air at the height is in a natural state, and then the sampling assembly performs air collection work, the air at different layer heights is conveniently collected, and the influence of the air pressure generated by the aircraft main body is avoided, so that the effectiveness of air collection is improved.
(2) When the sampling assembly collects air, the driving motor cannot stop rotating, the driving motor can simultaneously drive the connecting column to rotate, and the connecting column rotates to drive the sampling assembly to rotate, so that the sampling assembly can collect the air at the same height in multiple directions, the accuracy of air collection is improved, and when the push rod is resisted by the rubber sucker and cannot move linearly, in order to avoid the situation that the first screw rod sleeve is broken, the transmission relation between the second bevel gear and the first screw rod is disconnected through the clutch assembly, so that the extrusion force of the push rod to the rubber sucker is always at the maximum value under the state that the driving motor continuously rotates, and the adsorption stability of the rubber sucker and glass is improved.
(3) The four extrusion blocks simultaneously move towards the wall body of the window along the four corners of the sampling device, so that the sampling device is supported, the stability of the sampling device at the window is improved, and the optimal extrusion degree of the extrusion blocks on the wall body surface of the window is ensured through the clutch assembly along with the continuous rotation of the driving motor.
(4) When the extrusion block is reset along with the second connecting rod, the shovel plate can extrude the side of the rubber suction cup and is inserted between the rubber suction cup and the glass, so that the rubber suction cup is separated from the glass in a clockwise manner, the flying-away work of the aircraft main body is facilitated, the phenomenon that the rubber suction cup is separated from the glass by the aircraft main body forcibly due to the use of the flying capacity of the aircraft main body is avoided, the stability of the aircraft main body during flying-away is improved, and the safety performance is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top sectional view of the overall structure of the present invention;
FIG. 3 is a side cross-sectional view of the auxiliary cabinet of the present invention;
FIG. 4 is a schematic side cross-sectional view of an aircraft body according to the present invention;
FIG. 5 is an enlarged view taken at A in FIG. 4;
FIG. 6 is a schematic diagram of the movement of the second connecting rod pushing the extrusion block according to the present invention;
FIG. 7 is an enlarged view of FIG. 6 at B;
FIG. 8 is an enlarged view at C in FIG. 2;
FIG. 9 is an enlarged view of FIG. 2 at D;
FIG. 10 is a schematic cross-sectional view of the jacket of the present invention.
In the figure: 1. an aircraft body; 101. a cavity; 102. a drive motor; 103. a ring groove; 104. rotating the ring; 105. a first bevel gear; 106. a first lead screw; 107. a second bevel gear; 108. a first screw rod sleeve; 109. a push rod; 110. a sleeve; 111. a sealing plug; 112. a rubber suction cup; 113. connecting columns; 2. a sub-cabinet; 201. a second lead screw; 202. a second screw rod sleeve; 203. a third bevel gear; 204. a first link; 205. an L-shaped pipe; 206. a second link; 207. an oil plug; 208. extruding the block; 3. a first connecting bar; 301. a first limit groove; 302. a first limit strip; 4. a drive shaft; 401. a support; 402. a fourth bevel gear; 403. a pulley; 5. a wire rope; 501. a strut; 502. a pulley; 6. a second connecting strip; 601. a second limit strip; 602. a second limit groove; 7. a shovel plate; 8. a housing; 801. a negative pressure pump; 802. an air outlet; 803. a first solenoid valve; 804. an air duct; 805. a second solenoid valve; 806. connecting lugs; 807. a jacket; 808. a first spring; 809. an inner sleeve; 810. a rubber pad; 9. a clamping block; 901. a second spring; 902. a bayonet; 903. and (4) mounting the groove.
Detailed Description
Referring to fig. 1-10, an embodiment of the present invention provides a sampling device for a gaseous sample for environmental detection, including an aircraft body 1 and sampling assemblies disposed on the aircraft body 1, wherein the aircraft body 1 is symmetrically provided with sub-cabinets 2 at both sides, a cavity 101 is disposed inside the aircraft body 1, a driving motor 102 is fixedly connected to the top of the cavity 101, a ring groove 103 is disposed at the bottom of the cavity 101, a rotating ring 104 is rotatably connected to the ring groove 103, a first bevel gear 105 is fixedly connected to the top of the rotating ring 104, an output shaft of the driving motor 102 is fixedly connected to the top surface of the first bevel gear 105, a connecting column 113 is fixedly connected to the bottom of the first bevel gear 105, the bottom of the connecting column 113 is connected to the sampling assemblies, a first screw 106 is rotatably connected to a sidewall of the cavity 101, a clutch assembly is disposed on the first screw 106, the end of the first screw 106 is connected to a second bevel gear 107 through the clutch assembly, the second bevel gear 107 is in meshed connection with the first bevel gear 105, a first screw rod sleeve 108 is in threaded connection with the first screw rod 106, a first limiting assembly is arranged on the first screw rod sleeve 108, the first screw rod sleeve 108 is connected with the inner wall of the cavity 101 through the first limiting assembly, a push rod 109 is symmetrically and fixedly connected to one end, away from the second bevel gear 107, of the first screw rod sleeve 108, a sleeve 110 is symmetrically and fixedly connected to the outer wall of one side of the aircraft body 1, the push rod 109 is inserted into the sleeve 110, one end, inserted into the sleeve 110, of the push rod 109 is fixedly connected with a sealing plug 111, the sealing plug 111 is in sliding connection with the sleeve 110, and a rubber suction cup 112 is fixedly connected to one end, away from the aircraft body 1, of the sleeve 110.
Specifically, the method comprises the following steps: the aircraft main body 1 is used for flying the whole sampling device, when the aircraft main body 1 flies to a designated floor height, the aircraft main body 1 controls the whole sampling device to move towards a window of the floor, so that the rubber suction cups 112 are adsorbed on window glass, then the driving motor 102 is started, the driving motor 102 drives the first bevel gears 105 to rotate, the first bevel gears 105 drive the second bevel gears 107 to rotate, the second bevel gears 107 drive the first screw rods 106 to rotate, so that the first screw rod sleeves 108 are controlled to move towards the window direction, the push rods 109 press the rubber suction cups 112 from the insides of the sleeves 110, so that gaps between the rubber suction cups 112 and the glass are reduced, the adsorption force of the rubber suction cups 112 on the glass is increased, the stability of the whole sampling device is enhanced, then the aircraft main body 1 stops flying, so that the air at the height is in a natural state, and then the sampling assembly performs air collection work, therefore, the air at different heights can be conveniently collected, and the influence of the wind pressure generated by the aircraft main body 1 is avoided, so that the effectiveness of air collection is improved;
wherein, sampling assembly is when gathering the air, driving motor 102 can not stop rotatory, driving motor 102's rotation can drive spliced pole 113 simultaneously rotatory, spliced pole 113 is rotatory to drive sampling assembly, thereby it can carry out diversified collection to the air of same high department to make sampling assembly, improve the accuracy of air collection, and when push rod 109 supported by rubber suction cup 112 and can't carry out rectilinear movement, in order to avoid first lead screw cover 108 to take place the condition of collapsing, through the transmission relation of disconnection second bevel gear 107 and first lead screw 106 of clutch assembly, can understand, under driving motor 102 lasts rotatory state, push rod 109 is in the maximum all the time to rubber suction cup 112's extrusion force, thereby improve rubber suction cup 112 and glass absorbent stability.
First spacing subassembly includes two first connecting strips 3, two 3 symmetry fixed connection of first connecting strip are at the both sides wall of first lead screw cover 108, first spacing groove 301 has been seted up to the symmetry in cavity 101, the first spacing strip 302 of equal fixedly connected with on the first connecting strip 3, first spacing strip 302 and first spacing groove 301 sliding connection, in this setting, first spacing groove 301 is used for restricting first spacing strip 302 and takes place rotatoryly, thereby restrict first lead screw cover 108 and take place rotatoryly, thereby ensure that first lead screw cover 108 can carry out straight reciprocating motion.
Two extrusion components are symmetrically arranged on each of the two auxiliary cabinets 2 and are connected through a transmission component, each extrusion component comprises a second lead screw 201 and a second lead screw sleeve 202, one end of each second lead screw 201 is rotatably connected with the inner wall of each auxiliary cabinet 2, each second lead screw sleeve 202 is in threaded connection with each second lead screw 201, each second lead screw sleeve 202 is connected with the inner wall of each auxiliary cabinet 2 through a second limiting component, one side, close to each transmission component, of each second lead screw 201 is connected with a third bevel gear 203 through a clutch component, each third bevel gear 203 is connected with each transmission component, a first connecting rod 204 is fixedly connected with the outer wall of each second lead screw sleeve 202, each auxiliary cabinet 2 is provided with an L-shaped pipe 205, one end of each L-shaped pipe 205 is inserted into each auxiliary cabinet 2, the other end of each L-shaped pipe 205 extends outwards to the outer part of each auxiliary cabinet 2, each first connecting rod 204 is inserted into each L-shaped pipe 205, a second connecting rod 206 is slidably connected into the inner part of the other ends of the L-shaped pipes 205, each first connecting rod 204 and each second connecting rod 206 are inserted into one end of each L-shaped pipe 205 and are fixedly connected with an oil plug 207, hydraulic oil is filled between the two oil plugs 207, a tension assembly is further arranged in the two oil plugs 207, the transmission assembly is connected with an output shaft of the driving motor 102 through a belt, and one end, exposed out of the L-shaped pipe 205, of the second connecting rod 206 is fixedly connected with an extrusion block 208.
The second limiting component comprises a second connecting strip 6, the end part of the second connecting strip 6 is fixedly connected with a second limiting strip 601, a second limiting groove 602 is symmetrically formed in the auxiliary cabinet 2, the second limiting strip 601 is connected with the second limiting groove 602 in a sliding mode, in the arrangement, the second limiting groove 602 and the second limiting strip 601 are used for limiting rotation of the second screw rod sleeve 202, and the second screw rod sleeve 202 can perform linear reciprocating movement.
Specifically, the method comprises the following steps: when the driving motor 102 increases the adsorption force of the rubber suction cup 112 on the glass through the push rod 109, the rotation of the driving motor 102 drives the transmission assembly through belt type connection at the same time, the transmission assembly is used for driving two extrusion assemblies in two sub-cabinets 2 to start, four extrusion assemblies are started at the same time, when the extrusion assemblies are started, the transmission assembly firstly drives the third bevel gear 203 to rotate, the third bevel gear 203 drives the second lead screw 201 to rotate, so that the second lead screw sleeve 202 in the east is linearly moved, the oil plug 207 is pushed to linearly move through the first connecting rod 204, the other oil plug 207 is pushed through hydraulic oil, so that the second connecting rod 206 is linearly moved, and the extrusion block 208 is extruded and abutted against the wall surface of the window due to the linear movement of the second connecting rod 206;
it can be understood that the four squeezing blocks 208 move towards the wall of the window along the four corners of the sampling device at the same time, so as to support the sampling device, improve the stability of the sampling device at the window, and ensure that the squeezing force of the squeezing blocks 208 on the wall of the window is in the best state through the clutch assembly along with the continuous rotation of the driving motor 102.
The transmission assembly includes transmission shaft 4, 2 inner wall symmetry fixedly connected with supports 401 of vice cabinet, transmission shaft 4 runs through support 401 and rotates rather than being connected, 4 tops of transmission shaft and the equal fixedly connected with fourth bevel gear 402 in bottom, two fourth bevel gears 402 are connected with two third bevel gear 203 meshing respectively, equal fixedly connected with band pulley 403 on transmission shaft 4 and the driving motor 102 output shaft, two band pulleys 403 pass through the belt and link to each other, when driving motor 102 is rotatory in this setting, it is rotatory to drive fourth bevel gear 402 through the cooperation of band pulley 403 and belt, thereby fourth bevel gear 402 drives third bevel gear 203 rotatory, with this transmission effect of accomplishing.
The pulling force subassembly includes wire rope 5, and two oil plugs 207 are inside all to be provided with the skeleton, wire rope 5 both ends respectively with two skeleton fixed connection, the inner wall symmetry fixedly connected with branch 501 of L type pipe 205 corner, rotate between two branches 501 to be connected with pulley 502, pulley 502 contradicts with wire rope 5.
Specifically, after the sampling operation of the whole sampling device is completed, the aircraft body 1 recovers the flight state, the driving motor 102 rotates reversely, the rubber suction cup 112 loses the extrusion force of the push rod 109, and the first connecting rod 204 resets at the same time, so that the first connecting rod 204 pulls the oil plug 207 in the second connecting rod 206 through the steel wire rope 5, the second oil plug 207 resets, the extrusion block 208 no longer extrudes the wall body of the window, and the aircraft body 1 is convenient to fly away.
The shovel plate 7 is fixedly connected to the peripheral wall of the extrusion block 208, and the distance between one end face, away from the aircraft body 1, of the shovel plate 7 and the aircraft body 1 is smaller than the distance between one end face, away from the aircraft body 1, of the rubber suction cup 112 and the aircraft body 1.
Specifically, the method comprises the following steps: when the second connecting rod 206 is reset, the pressing block 208 can press the side of the rubber suction cup 112, and is inserted between the rubber suction cup 112 and the glass, thereby separating the rubber suction cup 112 from the glass in a favorable manner, thereby facilitating the flying-away work of the aircraft body 1, avoiding the aircraft body 1 from using the flight capability to force the rubber suction cup 112 to separate from the glass, thereby improving the stability of the aircraft body 1 during flying-away, improving the safety performance, and because the distance between one end face of the aircraft body 1 far away from the shovel plate 7 and the aircraft body 1 is smaller than the distance between one end face of the aircraft body 1 far away from the rubber suction cup 112 and the aircraft body 1, the shovel plate 7 can not influence the proceeding of the adsorption work of the rubber suction cup 112 and the glass.
The sampling component comprises a shell 8, the bottom of a connecting column 113 is fixedly connected with the top of the shell 8, a negative pressure pump 801 is fixedly connected with the bottom of the shell 8, an air outlet 802 is fixedly formed in the bottom of the shell 8, a first electromagnetic valve 803 is fixedly connected with the air outlet 802, an air pipe 804 is fixedly connected with the top of the negative pressure pump 801, the air pipe 804 is inserted into the air outlet 802 and is in threaded connection with the air outlet 802, and a second electromagnetic valve 805 is fixedly connected with the side wall of the shell 8.
Specifically, the method comprises the following steps: before the aircraft body 1 flies to a designated collection area, the negative pressure pump 801 firstly exhausts gas inside the shell 8, so that the inside of the shell 8 is in a negative pressure state, then when collecting air, the first electromagnetic valve 803 is firstly closed, then the second electromagnetic valve 805 is opened, so that air collection is completed under the action of negative pressure, and finally the second electromagnetic valve 805 is closed to seal the shell 8.
Equal symmetrical fixedly connected with engaging lug 806 of 2 lateral walls of vice cabinet, engaging lug 806 bottom fixedly connected with overcoat 807, the first spring 808 of the inside fixedly connected with of overcoat 807, the inside embedding of overcoat 807 is connected with endotheca 809, endotheca 809 top and first spring 808 fixed connection, endotheca 809 bottom fixedly connected with cushion 810, place the holistic time of sampling device at ordinary times in this setting, support two vice cabinets 2 and aircraft main part 1 through endotheca 809 and cushion 810, and effectual avoiding sampling subassembly and ground direct contact, and first spring 808 can play the cushioning effect to the dynamics of vibrations, wholly play the guard action to sampling device.
The clutch component comprises a plurality of clamping blocks 9 and a plurality of second springs 901, a plurality of bayonets 902 are formed in the end portions of the first screw rod 106 and the second screw rod 201, the clamping blocks 9 are connected with the bayonets 902 in a clamped mode, a plurality of mounting grooves 903 are formed in the inner peripheral walls of the third bevel gear 203 and the second bevel gear 107, the second springs 901 are fixed in the mounting grooves 903, and the other ends of the second springs 901 are fixedly connected with the clamping blocks 9.
Specifically, the method comprises the following steps: when the extrusion force between the extrusion block 208 and the window wall surface reaches a critical value or the adsorption force between the rubber suction cup 112 and the glass reaches a critical value, the fixture block 9 is extruded from the bayonet 902, so that the first lead screw 106 and the second lead screw 201 do not rotate any more, thereby avoiding the occurrence of equipment collapse, wherein the critical value is a state that the push rod 109 cannot make the rubber suction cup 112 deform by extrusion any more and a state that the second connecting rod 206 cannot continue to drive the extrusion block 208 to move linearly.
The working principle is as follows: the aircraft main body 1 is used for flying the whole sampling device, when the aircraft main body 1 flies to a designated floor height, the aircraft main body 1 controls the whole sampling device to move towards a window of the floor, so that the rubber suction cups 112 are adsorbed on window glass, then the driving motor 102 is started, the driving motor 102 drives the first bevel gears 105 to rotate, the first bevel gears 105 drive the second bevel gears 107 to rotate, the second bevel gears 107 drive the first screw rods 106 to rotate, so that the first screw rod sleeves 108 are controlled to move towards the window direction, the push rods 109 press the rubber suction cups 112 from the insides of the sleeves 110, so that gaps between the rubber suction cups 112 and the glass are reduced, the adsorption force of the rubber suction cups 112 on the glass is increased, the stability of the whole sampling device is enhanced, then the aircraft main body 1 stops flying, so that the air at the height is in a natural state, and then the sampling assembly performs air collection work, the air at different heights is conveniently collected, and the influence of the air pressure generated by the aircraft body 1 is avoided, so that the effectiveness of air collection is improved.
Claims (10)
1. The utility model provides a sampling device of gaseous state sample for environmental detection, includes aircraft main part (1) and sets up the sampling subassembly on aircraft main part (1), its characterized in that: the aircraft is characterized in that auxiliary cabinets (2) are symmetrically arranged on two sides of the aircraft body (1), a cavity (101) is arranged inside the aircraft body (1), a driving motor (102) is fixedly connected to the top of the cavity (101), an annular groove (103) is formed in the bottom of the cavity (101), a rotating ring (104) is rotatably connected to the annular groove (103), a first bevel gear (105) is fixedly connected to the top of the rotating ring (104), an output shaft of the driving motor (102) is fixedly connected to the top of the first bevel gear (105), a connecting column (113) is fixedly connected to the bottom of the first bevel gear (105), the bottom of the connecting column (113) is connected to the sampling assembly, a first lead screw (106) is rotatably connected to one side wall of the cavity (101), a clutch assembly is arranged on the first lead screw (106), and the end of the first lead screw (106) is connected to a second bevel gear (107) through the clutch assembly, the second bevel gear (107) is meshed with the first bevel gear (105), a first screw rod sleeve (108) is connected to the first screw rod (106) in a threaded manner, the first screw rod sleeve (108) is provided with a first limiting component, the first screw rod sleeve (108) is connected with the inner wall of the cavity (101) through the first limiting component, one end of the first lead screw sleeve (108) far away from the second bevel gear (107) is symmetrically and fixedly connected with a push rod (109), the outer wall of one side of the aircraft body (1) is symmetrically and fixedly connected with sleeves (110), the push rod (109) is inserted into the sleeve (110), one end of the push rod (109) inserted into the sleeve (110) is fixedly connected with a sealing plug (111), the sealing plug (111) is connected in the sleeve (110) in a sliding mode, and one end, far away from the aircraft body (1), of the sleeve (110) is fixedly connected with a rubber sucker (112).
2. The sampling device for gaseous sample for environmental testing according to claim 1, wherein: first spacing subassembly includes two first connecting strip (3), two first connecting strip (3) symmetry fixed connection be in the both sides wall of first lead screw cover (108), first spacing groove (301) have been seted up to the symmetry in cavity (101), first connecting strip (3) are gone up first spacing (302) of equal fixedly connected with, first spacing (302) with first spacing groove (301) sliding connection.
3. The sampling device for gaseous sample for environmental testing according to claim 1, wherein: two extrusion components are symmetrically arranged on each of the two auxiliary cabinets (2), a transmission component is arranged between the two extrusion components in the same auxiliary cabinet (2), each extrusion component comprises a second lead screw (201) and a second lead screw sleeve (202), one end of each second lead screw (201) is rotatably connected with the inner wall of the corresponding auxiliary cabinet (2), each second lead screw sleeve (202) is in threaded connection with the corresponding second lead screw (201), each second lead screw sleeve (202) is provided with a second limiting component, each second lead screw sleeve (202) is connected with the inner wall of the corresponding auxiliary cabinet (2) through the corresponding second limiting component, one side, close to the corresponding transmission component, of each second lead screw (201) is connected with a third bevel gear (203) through a clutch component, each third bevel gear (203) is connected with the corresponding transmission component, and the outer wall of each second lead screw sleeve (202) is fixedly connected with a first connecting rod (204), the auxiliary cabinet (2) is provided with an L-shaped pipe (205), one end of the L-shaped pipe (205) is inserted into the auxiliary cabinet (2), the other end of the L-shaped pipe (205) extends to the outside of the auxiliary cabinet (2), the first connecting rod (204) is inserted into the L-shaped pipe (205), the second connecting rod (206) is connected into the other end of the L-shaped pipe (205) in a sliding mode, the first connecting rod (204) and the second connecting rod (206) are inserted into one end of the L-shaped pipe (205) and are fixedly connected with oil plugs (207), hydraulic oil is filled between the two oil plugs (207), tension assemblies are further arranged in the two oil plugs (207), the transmission assemblies are connected with output shafts of the driving motor (102) through belts, and one end, exposed out of the L-shaped pipe (205), of the second connecting rod (206) is fixedly connected with an extrusion block (208).
4. The sampling device for gaseous sample for environmental testing according to claim 3, wherein: the transmission assembly comprises a transmission shaft (4), a support (401) is symmetrically and fixedly connected to the inner wall of the auxiliary cabinet (2), the transmission shaft (4) penetrates through the support (401) and is rotatably connected with the support, fourth bevel gears (402) are fixedly connected to the top and the bottom of the transmission shaft (4), the fourth bevel gears (402) are respectively meshed with the third bevel gears (203) and are connected with the output shaft of the driving motor (102), belt wheels (403) are fixedly connected to the top and the bottom of the transmission shaft (4), and the belt wheels (403) are connected through a belt.
5. The sampling device for gaseous sample for environmental testing according to claim 3, wherein: the tensile force subassembly includes wire rope (5), two the inside skeleton that all is provided with of oil plug (207), wire rope (5) both ends respectively with two skeleton fixed connection, the inner wall symmetry fixedly connected with branch (501) of L type pipe (205) corner, two it is connected with pulley (502) to rotate between branch (501), pulley (502) with wire rope (5) are contradicted.
6. The sampling device for gaseous sample for environmental testing according to claim 3, wherein: the second limiting component comprises a second connecting strip (6), the end part of the second connecting strip (6) is fixedly connected with a second limiting strip (601), a second limiting groove (602) is symmetrically formed in the inner part of the auxiliary cabinet (2), and the second limiting strip (601) is connected with the second limiting groove (602) in a sliding mode.
7. The sampling device for gaseous sample for environmental testing according to claim 3, wherein: fixedly connected with shovel board (7) on extrusion piece (208) periphery wall, shovel board (7) keep away from aircraft main part (1) an terminal surface with distance between aircraft main part (1) is less than rubber suction cups (112) keep away from aircraft main part (1) an terminal surface with distance between aircraft main part (1).
8. The sampling device for gaseous sample for environmental testing according to claim 3, wherein: the sampling component comprises a shell (8), the bottom of a connecting column (113) is fixedly connected with the top of the shell (8), a negative pressure pump (801) is fixedly connected with the bottom of the shell (8), an air outlet (802) is fixedly formed in the bottom of the shell (8), a first electromagnetic valve (803) is fixedly connected with the air outlet (802), an air pipe (804) is fixedly connected with the top of the negative pressure pump (801), the air pipe (804) is inserted into the air outlet (802) and is in threaded connection with the air outlet, and a second electromagnetic valve (805) is fixedly connected with the side wall of the shell (8).
9. The sampling device for gaseous sample for environmental testing according to claim 1, wherein: the auxiliary cabinet (2) is characterized in that the outer side wall of the auxiliary cabinet (2) is symmetrically and fixedly connected with connecting lugs (806), the bottom of each connecting lug (806) is fixedly connected with an outer sleeve (807), a first spring (808) is fixedly connected with the inside of the outer sleeve (807), an inner sleeve (809) is embedded and connected into the inside of the outer sleeve (807), the top of the inner sleeve (809) is fixedly connected with the first spring (808), and the bottom of the inner sleeve (809) is fixedly connected with a rubber mat (810).
10. The sampling device for gaseous sample for environmental testing according to claim 3, wherein: the clutch assembly comprises a plurality of clamping blocks (9) and a plurality of second springs (901), a plurality of bayonets (902) are formed in the end portions of the first screw rod (106) and the second screw rod (201), the clamping blocks (9) are connected with the bayonets (902) in a clamping mode, a plurality of mounting grooves (903) are formed in the inner peripheral walls of the third bevel gear (203) and the second bevel gear (107), the second springs (901) are fixed in the mounting grooves (903), and the other ends of the second springs (901) are fixedly connected with the clamping blocks (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210640648.XA CN115127876A (en) | 2022-06-08 | 2022-06-08 | Sampling device of gaseous sample for environmental detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210640648.XA CN115127876A (en) | 2022-06-08 | 2022-06-08 | Sampling device of gaseous sample for environmental detection |
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| Publication Number | Publication Date |
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| CN115127876A true CN115127876A (en) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210640648.XA Pending CN115127876A (en) | 2022-06-08 | 2022-06-08 | Sampling device of gaseous sample for environmental detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117585181A (en) * | 2024-01-18 | 2024-02-23 | 沈阳迎新网络科技有限公司 | Unmanned aerial vehicle for air monitoring |
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2022
- 2022-06-08 CN CN202210640648.XA patent/CN115127876A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117585181A (en) * | 2024-01-18 | 2024-02-23 | 沈阳迎新网络科技有限公司 | Unmanned aerial vehicle for air monitoring |
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