CN214790248U

CN214790248U - Environmental monitoring flue gas sampling instrument

Info

Publication number: CN214790248U
Application number: CN202120053100.6U
Authority: CN
Inventors: 吴量; 王顺风; 钟旭初; 吴晓良; 李歆
Original assignee: Zhejiang Duopu Inspection Science & Technology Co ltd
Current assignee: Zhejiang Duopu Inspection Science & Technology Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-11-19
Anticipated expiration: 2031-01-07

Abstract

The utility model discloses an environmental monitoring flue gas sampling instrument, which comprises a fixed platform, a sampling instrument, a sampling block, a first pipeline, a second pipeline, a fixed device, a supporting device and a rotating device; the supporting device comprises a rotating part, a supporting rod capable of moving up and down relative to the rotating part, a plurality of sharp spines arranged on the supporting rod, a rotating shaft arranged on the supporting rod, a gear arranged on the rotating shaft, a rack meshed with the gear, an adjusting rod arranged on the rotating shaft, a positioning assembly, a sealing assembly and a height adjusting assembly.

Description

Environmental monitoring flue gas sampling instrument

Technical Field

The utility model belongs to the technical field of environmental monitoring, especially, relate to an environmental monitoring flue gas sampling instrument.

Background

The smoke sampler is a portable device for collecting smoke samples in dust-containing air. The method is used for measuring the concentration of the flue gas in the air, and is also used for providing scientific basis for researching measures of dust prevention, dust fall and dust removal besides the requirement of safe production management. The dust measurement by using the sampler is a well-known method with higher accuracy. The method is widely applied to health monitoring and evaluation of departments such as disease prevention, environmental monitoring, labor protection, safety supervision, military, scientific research and teaching, metallurgy, petrochemical industry, railways, building materials and the like, and is specially used for measuring the average concentration of the smoke in the air in the workplaces of production teams and groups. The existing environment monitoring smoke gas sampling instrument is only normally placed on the ground, and if the existing environment monitoring smoke gas sampling instrument meets strong wind or accidental impact, the existing environment monitoring smoke gas sampling instrument is unstable in standing, easily causes the equipment to be toppled and damaged, and causes huge loss.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide a firm environmental monitoring flue gas sampling appearance stands.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an environment monitoring flue gas sampling instrument comprises a fixed platform, a sampling instrument, a sampling block, a first pipeline, a second pipeline, a fixing device, a supporting device and a rotating device; the supporting device comprises a rotating part, a supporting rod capable of moving up and down relative to the rotating part, a plurality of sharp spines arranged on the supporting rod, a rotating shaft arranged on the supporting rod, a gear arranged on the rotating shaft, a rack meshed with the gear, an adjusting rod arranged on the rotating shaft, a positioning assembly, a sealing assembly and a height adjusting assembly; the support rods are embedded into the soil layer for fixation, so that the equipment is prevented from standing on the ground and being blown down by strong wind; the adjusting rod is rotated to drive the rotating shaft and the gear to rotate synchronously, the plurality of racks are meshed with the gear and extend out of the supporting rod synchronously, so that the racks transversely penetrate into soil, the contact area between the supporting rod and the soil is increased, and the supporting rod is fixed on the ground more stably.

Preferably, the sealing assembly comprises a first arc-shaped groove arranged on the support rod, an arc-shaped sealing plate arranged on the adjusting rod and a cleaning component; set up the arc closing plate, avoid external dust granule to get into first arc wall, influence the operation of adjusting the pole.

Preferably, the cleaning component comprises a cleaning piece arranged on the supporting rod, a fixed rod arranged on the cleaning piece, a second arc-shaped groove arranged on the supporting rod, a fixed shaft arranged on the second arc-shaped groove, a rotating plate arranged on the fixed shaft and a twisting piece arranged on the fixed shaft; the rotating plate is pressed to rotate by 90 degrees around the fixed shaft, the fixed rod can be pulled, the cleaning piece is pulled out from the supporting rod, and the cleaning piece is replaced.

Preferably, the positioning assembly comprises a first limiting groove arranged on the adjusting rod, a positioning piece arranged on the first limiting groove, a limiting spring arranged on the positioning piece, a positioning plate arranged on the supporting rod and a plurality of positioning grooves arranged on the positioning plate; when the adjusting rod rotates to a certain position, the positioning piece is stretched out and supported on the corresponding positioning groove under the elastic action of the limiting spring, so that the adjusting rod is fixed.

Preferably, the rotating device comprises a rotating rod arranged on the first pipeline, a handle arranged on the rotating rod, a rotating ball arranged on the rotating rod, a housing arranged on the rotating ball, a fixed seat arranged on the first pipeline, a second limiting groove arranged on the rotating rod, a locking piece arranged on the second limiting groove and a first elastic piece arranged on the locking piece; the handle is rotated, so that the rotating rod rotates to drive the rotating ball to rotate, the housing synchronously rotates, the angle of the housing can be adjusted according to different air inlet directions, and the application range is wide; the dwang rotates a definite position, and the locking piece receives the elasticity of first elastic component to stretch out to support on the fixing base for the dwang is fixed, and the housing angle is fixed promptly.

Preferably, the fixing device includes a first fixing plate disposed on the first pipeline, a second fixing plate disposed on the second pipeline, a first clamping groove disposed on the first fixing plate, a first sliding rod capable of sliding relative to the first clamping groove, a second elastic element disposed on the first sliding rod, a second clamping groove disposed on the second fixing plate, a second sliding rod capable of sliding relative to the second clamping groove, and a third elastic element disposed on the second sliding rod; through pulling the second slide bar for the third elastic component is compressed, when the second slide bar breaks away from contact with first slide bar, first slide bar receives the elasticity pulling of second elastic component and slides on first draw-in groove, can separate first fixed plate and second fixed plate, takes first pipeline away, can take out the sampling piece, surveys the flue gas content of collecting on it.

Preferably, the height adjusting assembly comprises a screw rod arranged on the rotating part and a rotating disc arranged on the screw rod; the rotating disc is rotated, so that the screw rod rotates, the supporting rod can move downwards relative to the rotating part, the height of the equipment can be adjusted, and the requirements of acquiring data at different heights are met.

In conclusion, the spine is arranged, so that the support rod can be conveniently inserted into the ground, the support rod is embedded into the soil layer for fixation, and the equipment is prevented from being blown down due to strong wind when standing on the ground; the adjusting rod is rotated to drive the rotating shaft and the gear to rotate synchronously, the plurality of racks are meshed with the gear and extend out of the supporting rod synchronously, so that the racks transversely penetrate into soil, the contact area between the supporting rod and the soil is increased, and the supporting rod is fixed on the ground more stably.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a rear view of fig. 1.

Fig. 3 is a cross-sectional view taken along line B-B of fig. 2.

Fig. 4 is an enlarged view at C in fig. 3.

Fig. 5 is an enlarged view at D in fig. 3.

Fig. 6 is an enlarged view at H in fig. 5.

Fig. 7 is an enlarged view at I in fig. 3.

Fig. 8 is an enlarged view at M in fig. 3.

Fig. 9 is a left side view of fig. 1.

Fig. 10 is a cross-sectional view taken along F-F of fig. 9.

Fig. 11 is an enlarged view at G in fig. 10.

Fig. 12 is a cross-sectional view taken along N-N of fig. 9.

Fig. 13 is an enlarged view at Z in fig. 12.

Fig. 14 is a right side view of fig. 1.

Fig. 15 is a cross-sectional view taken along line K-K of fig. 14.

Fig. 16 is an enlarged view at P in fig. 15.

Detailed Description

As shown in fig. 1 to 16, an environmental monitoring flue gas sampling instrument comprises a fixed platform 11, a sampling instrument 12, a sampling block 13, a first pipeline 14, a second pipeline 15, an air pump, a fixing device, a supporting device and a rotating device; the sampler 12 is placed on the ground; the second pipeline 15 is an existing corrugated pipe, is communicated with the first pipeline 14 and is fixed on the fixed platform 11; the first pipeline 14 is positioned above the fixed platform 11 and is detachably connected to the second pipeline 15; the sampling block 13 is detachably connected to the second pipeline 15; the air pump is fixedly installed in the second pipeline 15 and is used for pumping the outside air into the first pipeline 14.

Further, the supporting device comprises a rotating part 21, a supporting rod 22, a spike 23, a rotating shaft 24, a gear 25, a rack 26, an adjusting rod 27, a positioning assembly, a sealing assembly and a height adjusting assembly; the number of the rotating parts 21 is 3, the rotating parts are annularly distributed on the fixed platform 11 at equal intervals and are hinged on the fixed platform 11; the supporting rod 22 can slide up and down relative to the rotating part 21, and the end part of the supporting rod is provided with a cone shape; the plurality of spikes 23 are uniformly distributed on the end part of the supporting rod 22; the rotating shaft 24 is rotatably arranged on the supporting rod 22 in a penetrating way; the gear 25 is fixedly sleeved on the rotating shaft 24; the number of the racks 26 is 3, the racks are meshed with the gear 25 and can slide relative to the supporting rod 22; three sliding grooves are formed in the supporting rod 22 and used for the rack 26 to slide; the adjusting lever 27 is fixed to one end of the rotating shaft 24.

Further, the positioning assembly includes a first limiting groove 31, a positioning member 32, a limiting spring 33, a positioning plate 34 and a positioning groove 35; the first limit groove 31 is formed on the adjusting rod 27; the positioning element 32 can slide relative to the first limiting groove 31; the limiting spring 33 is an existing spring, one end of the limiting spring is fixed on the positioning part 32, and the other end of the limiting spring is fixed on the first limiting groove 31 and slides; the positioning plate 34 is fixed on the supporting rod 22; the positioning slot 35 is provided in plural, and the arc shape is provided on the positioning plate 34 at equal intervals.

Further, the height adjusting assembly includes a screw 36 and a rotary disc 37; the screw 36 is rotatable relative to the rotating portion 21; the rotating disc 37 is fixedly sleeved on the screw rod 36; the rotating disc 37 is rotated, so that the screw 36 rotates, and the support rod 22 can move downwards relative to the rotating part 21, so that the height of the equipment can be adjusted, and the requirements of acquiring data at different heights can be met.

Further, the sealing assembly comprises a first arc-shaped groove 41, an arc-shaped sealing plate 42 and a cleaning component; the first arc-shaped groove 41 is formed in the support rod 22; the number of the arc-shaped sealing plates 42 is 2, and the arc-shaped sealing plates are symmetrically fixed on two sides of the adjusting rod 27 and can slide relative to the first arc-shaped groove 41.

Further, the cleaning component comprises a cleaning piece 51, a fixing rod 52, a second arc-shaped groove 53, a fixing shaft 54, a rotating plate 55 and a twisting piece 56; the cleaning piece 51 is detachably connected to the supporting rod 22; 2 fixing rods 52 are arranged and fixedly penetrate through the cleaning piece 51; the second arc-shaped groove 53 is formed in the supporting rod 22; the fixed shaft 54 is fixedly arranged on the second arc-shaped groove 53 in a penetrating manner; the rotating plate 55 is rotatably sleeved on the fixed shaft 54; the torsion element 56 is an existing torsion spring, and is sleeved on the fixed shaft 54, one end of the torsion element is fixed on the fixed shaft 54, and the other end of the torsion element is fixed on the rotating plate 55; the fixed rod 52 can be pulled by pressing the rotating plate 55 to rotate 90 degrees around the fixed shaft 54, so that the cleaning piece 51 is pulled out from the supporting rod 22, and the cleaning piece 51 is replaced.

Further, the rotating device comprises a rotating rod 61, a handle 62, a rotating ball 63, a housing 64, a fixing seat 65, a second limiting groove 66, a locking piece 67 and a first elastic piece 68; the rotating rod 61 is rotatably arranged on the first pipeline 14 in a penetrating way; the handle 62 is fixed on the rotating rod 61; the rotating ball 63 is fixedly sleeved on the rotating rod 61; the housing 64 is fixed on the rotating ball 63; the fixed seat 65 is fixed on one side of the first pipeline 14; the second limiting groove 66 is formed in the rotating rod 61; the locking piece 67 can slide relative to the second limiting groove 66; the first elastic member 68 is an existing spring, one end of which is fixed on the inner wall of the second limiting groove 66, and the other end of which is fixed on the locking member 67.

Further, the fixing device includes a first fixing plate 71, a second fixing plate 72, a first locking groove 73, a first sliding rod 74, a second elastic member 75, a second locking groove 76, a second sliding rod 77, and a third elastic member 78; the first fixing plate 71 is fixed to the first pipe 14; the second fixing plate 72 is fixed to the second pipe 15; the first clamping groove 73 is formed in the first fixing plate 71; the first sliding rod 74 can slide relative to the first slot 73; the second elastic element 75 is an existing spring, one end of which is fixed on the first sliding rod 74, and the other end of which is fixed on the first slot 73; the second clamping groove 76 is formed in the second fixing plate 72; the second sliding rod 77 can slide relative to the second clamping groove 76; the third elastic member 78 is an existing spring, and has one end fixed to the second sliding rod 77 and the other end fixed to the second engaging groove 76.

The working principle is as follows: the supporting rod 22 is pricked into the ground, the supporting rod 22 is embedded into a soil layer to be fixed, then the adjusting rod 27 is rotated to drive the rotating shaft 24 and the gear 25 to synchronously rotate, the plurality of racks 26 are meshed with the gear 25 and synchronously extend out of the supporting rod 22, the racks 26 are transversely pricked into the soil, and the supporting rod 22 is more stably fixed with the ground; then the air pump is started to draw outside air into the first pipeline 14, after a certain time, the second sliding rod 77 is pulled, so that the third elastic piece 78 is compressed, when the second sliding rod 77 is separated from the first sliding rod 74, the first sliding rod 74 is pulled by the elasticity of the second elastic piece 75 to slide on the first clamping groove 73, the first fixing plate 71 and the second fixing plate 72 can be separated, the first pipeline 14 is taken away, the sampling block 13 can be taken out, and the content of the smoke collected on the sampling block can be measured.

Claims

1. An environment monitoring flue gas sampling instrument comprises a fixed platform (11), a sampling instrument (12), a sampling block (13), a first pipeline (14), a second pipeline (15), a fixing device, a supporting device and a rotating device; the method is characterized in that: the supporting device comprises a rotating part (21), a supporting rod (22) capable of moving up and down relative to the rotating part (21), a plurality of sharp spines (23) arranged on the supporting rod (22), a rotating shaft (24) arranged on the supporting rod (22), a gear (25) arranged on the rotating shaft (24), a rack (26) meshed with the gear (25), an adjusting rod (27) arranged on the rotating shaft (24), a positioning assembly, a sealing assembly and a height adjusting assembly.

2. The environmental monitoring flue gas sampling instrument of claim 1, wherein: the sealing assembly comprises a first arc-shaped groove (41) arranged on the supporting rod (22), an arc-shaped sealing plate (42) arranged on the adjusting rod (27) and a cleaning component.

3. The environmental monitoring flue gas sampling instrument of claim 2, wherein: the cleaning component comprises a cleaning piece (51) arranged on the supporting rod (22), a fixing rod (52) arranged on the cleaning piece (51), a second arc-shaped groove (53) arranged on the supporting rod (22), a fixing shaft (54) arranged on the second arc-shaped groove (53), a rotating plate (55) arranged on the fixing shaft (54) and a twisting piece (56) arranged on the fixing shaft (54).

4. The environmental monitoring flue gas sampling instrument of claim 1, wherein: the positioning assembly comprises a first limiting groove (31) arranged on the adjusting rod (27), a positioning piece (32) arranged on the first limiting groove (31), a limiting spring (33) arranged on the positioning piece (32), a positioning plate (34) arranged on the supporting rod (22) and a plurality of positioning grooves (35) arranged on the positioning plate (34).

5. The environmental monitoring flue gas sampling instrument of claim 1, wherein: rotating device is including locating dwang (61) on first pipeline (14), locating handle (62) on dwang (61), locating rolling ball (63) on dwang (61), locating housing (64) on rolling ball (63), locating fixing base (65) on first pipeline (14), locating second spacing groove (66) on dwang (61), locating locking piece (67) on second spacing groove (66) and locating first elastic component (68) on locking piece (67).

6. The environmental monitoring flue gas sampling instrument of claim 1, wherein: the fixing device comprises a first fixing plate (71) arranged on the first pipeline (14), a second fixing plate (72) arranged on the second pipeline (15), a first clamping groove (73) arranged on the first fixing plate (71), a first sliding rod (74) capable of sliding relative to the first clamping groove (73), a second elastic piece (75) arranged on the first sliding rod (74), a second clamping groove (76) arranged on the second fixing plate (72), a second sliding rod (77) capable of sliding relative to the second clamping groove (76) and a third elastic piece (78) arranged on the second sliding rod (77).

7. The environmental monitoring flue gas sampling instrument of claim 1, wherein: the height adjusting assembly comprises a screw rod (36) arranged on the rotating part (21) and a rotating disc (37) arranged on the screw rod (36).