Extraction type dust calibration framework device

Abstract

The utility model relates to the technical field of raised dust detection, in particular to an extraction type dust calibration framework device which comprises an air duct, a pipeline dust meter is installed on the top of the air duct through an installation frame, a suction assembly is arranged at one end of the air duct, a clamping assembly is arranged at the bottom of the air duct, and the clamping assembly comprises a clamping plate located at the bottom of the air duct. The two ends of the top of the clamping plate are connected with connecting rods through threaded grooves, the top ends of the connecting rods are sleeved with rod sleeves, the two ends of the bottom of the clamping plate are connected with screws through threaded grooves, and the top ends, located in the clamping plate, of the screws are rotationally connected with a bottom plate through bearings. By adopting the suction type design, the gas is sucked into the air duct to facilitate detection of the dust raising instrument, and the pipeline dust instrument is arranged on the air duct, so that the dust content of the gas entering the air duct can be detected, and the detection accuracy of the dust raising instrument can be conveniently detected.

Description

Technical Field

[0001] The utility model relates to the technical field of dust detection, in particular to an extraction type dust calibration framework device. Background Art

[0002] Dust is an open source of pollution that enters the atmosphere due to dust on the ground being lifted up by wind, human influence and other factors. It is an important component of the total suspended particulate matter in the ambient air. Dust monitoring is a measure to conduct real-time online monitoring of dust in order to prevent and control air pollution.

[0003] When installing a dust meter, a mounting frame, a supporting frame, etc. are needed to support and fix it. However, the existing dust meter mounting frame, supporting frame, etc. do not have a calibration structure and cannot detect the detection accuracy of the dust meter. Therefore, an extractable dust calibration structure device is proposed. A duct dust meter is installed on the air duct. The dust content of the gas entering the air duct can be detected, so as to be used to detect the detection accuracy of the dust meter. Utility Model Content

[0004] In view of the problems in the prior art, the utility model provides an extraction type dust calibration structure device, in which a duct dust meter is installed on the air duct, and the dust content of the gas entering the air duct can be detected, so as to be used to detect the detection accuracy of the dust meter.

[0005] The technical solution adopted by the utility model to solve the technical problem is an extraction type dust calibration framework device, comprising an air duct, a duct dust meter is installed on the top of the air duct through a mounting frame, a suction component is arranged at one end of the air duct, a clamping component is arranged at the bottom of the air duct, and the clamping component includes a clamping plate located at the bottom of the air duct;

[0006] The two ends of the top of the card plate are connected with connecting rods through threaded grooves, and the top of the connecting rod is sleeved with a rod sleeve. The two ends of the bottom of the card plate are connected with screws through threaded grooves. The top of the screw located inside the card plate is rotatably connected to the bottom plate through a bearing.

[0007] By adopting the above technical solution, the bottom plate is pushed up by rotating the screw, so that the dust meter placed in the cardboard can be fixed. The duct dust meter can detect the dust content of the gas in the air duct, which is convenient for detecting the accuracy of the dust meter.

[0008] Specifically, the suction assembly includes a protection box body fixed to one end of the air duct by bolts, and a protection net is fixed between the protection box body and the air duct by bolts.

[0009] Specifically, a driving motor is installed inside the protection box body through a mounting frame, and an output shaft on one side of the driving motor is provided with an exhaust fan blade through a flat key fixing sleeve.

[0010] Specifically, a connecting pipe is fixed to the bottom of the air duct via a flange, and a sealing ring is glued to the bottom end of the connecting pipe.

[0011] Specifically, the detection end of the duct dust monitor is located inside the air duct.

[0012] Specifically, the top of the rod sleeve is fixed to the bottom of the air duct through a flange, and one side of the connecting rod is connected with a fixing bolt through a threaded groove.

[0013] Beneficial effects of the utility model:

[0014] (1) The utility model discloses an extraction-type dust calibration structure device. The driving motor is turned on to drive the extraction fan blades to rotate at high speed, and the external gas is drawn into the air duct, which is convenient for the dust meter fixed in the card plate to detect. The detection end of the duct dust meter is located in the air duct, and the dust content of the gas entering the air duct can be detected, so as to be used for testing the detection accuracy of the dust meter to meet the calibration standard.

[0015] (2) The utility model describes an extractable dust calibration framework device, in which a card plate is fixed to the bottom of the air duct by a connecting rod and a rod sleeve, and the card plate can be moved up and down to adjust the height. By adjusting the height of the card plate, the detection end at the top of the dust meter can be inserted into the connecting pipe, which is convenient for detecting the dust in the gas extracted into the air duct. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a cross-sectional view of the air duct of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the clamping assembly of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the suction assembly of the utility model;

[0021] In the figure: 1. air duct; 2. duct dust monitor; 3. suction assembly; 301. protective box; 302. drive motor; 303. exhaust fan blades; 304. protective net; 4. connecting pipe; 5. fixing assembly; 501. clamping plate; 502. screw; 503. bottom plate; 504. connecting rod; 505. rod sleeve; 506. fixing bolt; 6. sealing ring. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] Installing a duct dust monitor on the air duct can detect the dust content of the gas entering the air duct, so as to test the detection accuracy of the dust monitor. Figure 1-4 As shown, the extractable dust calibration framework device described in the utility model comprises an air duct 1, a duct dust meter 2 is installed on the top of the air duct 1 through a mounting frame, a suction component 3 is arranged at one end of the air duct 1, and a fixing component 5 is arranged at the bottom of the air duct 1, and the fixing component 5 comprises a fixing plate 501 located at the bottom of the air duct 1;

[0024] The two ends of the top of the card plate 501 are connected to connecting rods 504 through threaded grooves, and the top of the connecting rod 504 is sleeved with a rod sleeve 505. The two ends of the bottom of the card plate 501 are connected to screw rods 502 through threaded grooves. The top of the screw rod 502 located inside the card plate 501 is rotatably connected to the bottom plate 503 through a bearing.

[0025] When in use, the screw rod 502 is rotated to push the bottom plate 503 upward, so that the dust monitor placed in the clamping plate 501 can be fixed. The duct dust monitor 2 can detect the dust content of the gas in the air duct 1, which is convenient for detecting the accuracy of the dust monitor.

[0026] For example, Figure 4 As shown, the utility model also includes that the suction assembly 3 includes a protection box body 301 fixed to one end of the air duct 1 by bolts, and a protection net 304 is fixed between the protection box body 301 and the air duct 1 by bolts.

[0027] When in use, the protection net 304 can prevent dust and the like in the gas from entering the protection box body 301 .

[0028] For example, Figure 4 As shown, the utility model also includes that a driving motor 302 is installed inside the protection box body 301 through a mounting frame, and an output shaft on one side of the driving motor 302 is provided with an exhaust fan blade 303 through a flat key fixing sleeve.

[0029] When in use, the driving motor 302 drives the exhaust fan blades 303 to rotate, so as to draw external air into the air duct 1.

[0030] For example, Figure 2 As shown, the utility model also includes that a connecting pipe 4 is fixed to the bottom of the air duct 1 through a flange, and a sealing ring 6 is glued to the bottom end of the connecting pipe 4.

[0031] When in use, the sealing ring 6 seals between the connecting pipe 4 and the dust collector.

[0032] For example, Figure 1 As shown, the utility model also includes that the detection end of the duct dust monitor 2 is located inside the air duct 1.

[0033] When in use, it is convenient to detect the dust content of the gas in the air duct 1.

[0034] For example, Figure 3 As shown, the utility model also includes that the top of the rod sleeve 505 is fixed to the bottom of the air duct 1 through a flange, and one side of the connecting rod 504 is connected with a fixing bolt 506 through a threaded groove.

[0035] When in use, tightening the fixing bolt 506 can fix the retracted connecting rod 504 .

[0036] When the utility model is used, a person installs the dust meter in the card plate 501, rotates the screw rod 502 to push the bottom plate 503 upward, and fixes the dust meter in the card plate 501;

[0037] The card plate 501 is fixed to the bottom of the air duct 1 through the connecting rod 504 and the rod sleeve 505, and the card plate 501 can be moved up and down to adjust the height. By adjusting the height of the card plate 501, the detection end at the top of the dust meter is inserted into the connecting pipe 4, so as to facilitate the detection of dust in the gas drawn into the air duct 1;

[0038] The driving motor 302 is turned on to drive the exhaust fan blades 303 to rotate at high speed, and the external air is drawn into the air duct 1, so that the dust meter fixed in the card plate 501 can be detected. The detection end of the duct dust meter 2 is located in the air duct 1, and the dust content of the gas entering the air duct 1 can be detected, so as to be used for testing the detection accuracy of the dust meter to meet the calibration standard;

[0039] A protective net 304 is provided between the protective box body 301 and the air duct 1 to prevent dust in the gas from entering the protective box body 301. Tightening the fixing bolts 506 can fix the retractable connecting rod 504, and the sealing ring 6 seals between the connecting pipe 4 and the dust collector.

[0040] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. An extractable dust calibration framework device, characterized in that: The air duct (1) comprises a duct dust monitor (2) mounted on the top of the air duct (1) via a mounting frame, a suction assembly (3) is arranged at one end of the air duct (1), a fixing assembly (5) is arranged at the bottom of the air duct (1), and the fixing assembly (5) comprises a fixing plate (501) located at the bottom of the air duct (1); The two ends of the top of the clamping plate (501) are connected to connecting rods (504) via threaded grooves, and the top end of the connecting rod (504) is sleeved with a rod sleeve (505). The two ends of the bottom of the clamping plate (501) are connected to screw rods (502) via threaded grooves, and the top end of the screw rod (502) located inside the clamping plate (501) is rotatably connected to a bottom plate (503) via a bearing.

2. The extractable dust calibration framework device according to claim 1, characterized in that: The suction assembly (3) comprises a protection box body (301) fixed to one end of the air duct (1) by means of bolts, and a protection net (304) is fixed between the protection box body (301) and the air duct (1) by means of bolts.

3. The extractable dust calibration framework device according to claim 2, characterized in that: A driving motor (302) is installed inside the protection box body (301) via a mounting frame, and an output shaft on one side of the driving motor (302) is provided with an exhaust fan blade (303) via a flat key fixing sleeve.

4. The extractable dust calibration framework device according to claim 1, characterized in that: A connecting pipe (4) is fixed to the bottom of the air duct (1) via a flange, and a sealing ring (6) is glued to the bottom end of the connecting pipe (4).

5. The extractable dust calibration framework device according to claim 1, characterized in that: The detection end of the duct dust monitor (2) is located inside the air duct (1).

6. The extractable dust calibration framework device according to claim 1, characterized in that: The top of the rod sleeve (505) is fixed to the bottom of the air duct (1) via a flange, and one side of the connecting rod (504) is connected to a fixing bolt (506) via a threaded groove.

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