CN217845764U - On-spot harmful gas check out test set of operating mode - Google Patents
On-spot harmful gas check out test set of operating mode Download PDFInfo
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- CN217845764U CN217845764U CN202221782077.5U CN202221782077U CN217845764U CN 217845764 U CN217845764 U CN 217845764U CN 202221782077 U CN202221782077 U CN 202221782077U CN 217845764 U CN217845764 U CN 217845764U
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Abstract
The utility model discloses an on-spot harmful gas check out test set of operating mode belongs to safety inspection equipment technical field, and it is including restrainting the dryer, the fixed intercommunication of right-hand member of restrainting the dryer has the storehouse that converges, the fixed intercommunication of left end of restrainting the dryer has the negative pressure storehouse, the inner wall in storehouse of converging is installed and is used for the detection head that gaseous detected. This scheme adopts biax motor and fan cooperation negative pressure storehouse to form the convulsions system, a plurality of joints are a set of simultaneously, and will converge the interior low pressure that forms of storehouse through restrainting the dryer, a plurality of joints are taken out the sampling head air current of different positions through the hose, and pass jointly therewith and restraint the dryer and can carry out the air current detection, when detecting harmful gas, communicate different packetized joints in proper order through the solenoid valve, carry out different packetized synchronous detection and get rid of in proper order, until find correspond after the group in proper order the intercommunication examine can, can realize whole unified monitoring, and can the effectual quick location reveal the region, realize low-cost high-speed response.
Description
Technical Field
The utility model belongs to the technical field of the safety inspection equipment, specifically speaking relates to on-spot harmful gas check out test set of operating mode.
Background
As present processing place, often be along with the addition of multiple chemical raw materials, make it very easily produce the gas injury personnel health of poisonous and harmful, the condition of revealing in a small amount that the leakproofness is not good causes very easily appears to this kind of harmful gas, and difficult the perception, there is certain potential safety hazard, detect the mode that adopts a plurality of detection heads of a plurality of position installations mostly to detect with present harmful gas, make it reach the early warning of very first time, the cost that this type of mode was laid is higher however, remains to further improve.
In view of this, the present invention is provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model adopts the following basic concept:
the utility model provides an on-spot harmful gas check out test set of operating mode, includes to restraint the dryer, the fixed intercommunication of right-hand member of restrainting the dryer has the storehouse that converges, the fixed intercommunication of left end of restrainting the dryer has the negative pressure storehouse, the inner wall in storehouse that converges is installed and is used for gaseous detection's detection head, the right side in storehouse that converges is sealed to run through has a plurality of to connect, the surface mounting who connects has the solenoid valve that is used for on-off control.
A double-shaft motor is arranged on the inner wall of the negative pressure bin, two output shafts of the double-shaft motor are respectively fixed with a fan blade and a turntable, the inner wall of the wind binding barrel is fixedly connected with a support frame, the surface of the support frame is fixedly connected with a positioning guide rod, the surface of the positioning guide rod is limited and axially slides to form a sealing piece, a first connecting shaft and a second connecting shaft are movably connected to the opposite surfaces of the rotary disc and the sealing piece through pin shafts respectively, and one ends, opposite to the first connecting shaft and the second connecting shaft, of the first connecting shaft and the second connecting shaft are rotatably connected through a rotating piece.
As a further aspect of the present invention: one side of the joint is communicated with guide tubes with different lengths, the other end of each guide tube is fixed with a sampling head, and the inner wall of each sampling head is provided with a filter disc.
As a further aspect of the present invention: the surface of the double-shaft motor is fixed on the inner wall of the negative pressure bin through a plurality of fins, and a protective net is arranged at an opening of the negative pressure bin.
As a further aspect of the present invention: the inner wall in storehouse of converging is located to connect the axial position screw thread to run through and has a plurality of screw rod, the screw rod is close to the one end that connects and is fixed with the rubber ball that is used for flow rate control.
As a further aspect of the present invention: the inner wall of the confluence bin is fixedly provided with a threaded sleeve in a penetrating mode, and the surface of the detection head is fixedly connected with a threaded inner ring matched with the threaded sleeve.
As a further aspect of the present invention: the first connecting shaft and the second connecting shaft are respectively and movably connected at the eccentric positions of the rotary table and the sealing sheet, and the positioning guide rod is arranged in a cam shape.
Has the advantages that:
this scheme is forming the convulsions system through adopting biax motor and fan cooperation negative pressure storehouse, a plurality of joints are a set of simultaneously, and will converge the storehouse through restrainting the dryer and form the low pressure in, make its air current pass through the sampling head suction, impurity is filtered by the filter element this moment, the sampling head air current that passes through the hose with different positions is taken out until a plurality of joints, make it assemble in the storehouse that converges, and pass jointly and restraint the dryer and can carry out the air current detection thereupon, when detecting harmful gas, communicate different packetized joints in proper order through the solenoid valve, carry out different packetized synchronous detection and get rid of in proper order, until finding correspond after the group do not communicate in proper order coil can, whole unified monitoring can be realized to this kind of mode, and can effectual quick location reveal the region, make it can realize low-cost high-speed response.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
fig. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a schematic view of a three-dimensional cross-sectional structure of the present invention;
FIG. 3 is a schematic view of the structure of the present invention showing the cooperation between the rotary plate and the sealing piece;
fig. 4 is a schematic structural diagram of the sampling head of the present invention.
In the figure: 1. a wind bundling cylinder; 2. a confluence bin; 3. a negative pressure bin; 4. a double-shaft motor; 5. a fan blade; 6. a turntable; 7. sealing a sheet; 8. a first coupling shaft; 9. a second coupling shaft; 10. a rotating member; 11. positioning the guide rod; 12. a support frame; 13. a fin; 14. a joint; 15. a guide tube; 16. a sampling head; 17. an electromagnetic valve; 18. a filter disc; 19. a threaded sleeve; 20. a threaded inner ring; 21. a detection head; 22. a screw; 23. a rubber ball; 24. and (4) a protective net.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention.
As shown in fig. 1 to 4, the on-site harmful gas detection device for the working conditions comprises a beam air duct 1, a confluence bin 2 is fixedly communicated with the right end of the beam air duct 1, a negative pressure bin 3 is fixedly communicated with the left end of the beam air duct 1, a detection head 21 for gas detection is installed on the inner wall of the confluence bin 2, a plurality of joints 14 penetrate through the right side of the confluence bin 2 in a sealing mode, and an electromagnetic valve 17 for on-off control is installed on the surface of each joint 14.
Double-shaft motor 4 is installed to the inner wall in negative pressure storehouse 3, two output shafts of double-shaft motor 4 are fixed with flabellum 5 and carousel 6 respectively, the inner wall fixedly connected with support frame 12 of restraint dryer 1, the fixed surface of support frame 12 is connected with positioning guide rod 11, the spacing axially sliding that keeps in surface of positioning guide rod 11 has mounting 7, the opposite face of carousel 6 and mounting 7 has first even axle 8 and the even axle 9 of second through round pin axle swing joint respectively, the one end that first even axle 8 and the even axle 9 of second are relative is passed through rotating member 10 and is rotated the connection.
Adopt biax motor 4 and fan cooperation 3 negative pressure storehouses to form the convulsions system, a plurality of joints 14 are a set of simultaneously, and will converge in the storehouse 2 and form the low pressure through restrainting dryer 1, make its air current pass through sampling head 16 suction, impurity is filtered by filter element 18 this moment, until a plurality of joints 14 take out the 16 air currents of sampling head of different positions through the hose, make it assemble in the storehouse 2 that converges, and pass jointly therewith and restraint dryer 1 and can carry out the air current detection, when detecting harmful gas, connect the joint 14 of different groups in proper order through solenoid valve 17, carry out the synchronous detection of different groups and get rid of in proper order, until find after corresponding the group is distinguished in proper order the intercommunication examine can.
Meanwhile, in the process that the air flow passes through the air bundling barrel 1, the accuracy of detection is easily influenced by the fast flowing air flow, the double-shaft motor 4 drives the fan blades 5 to rotate, the rotary disc 6 synchronously rotates, the rotary disc 6 drives the left end of the first connecting shaft 8 on the surface to do circular motion when rotating, meanwhile, the first connecting shaft 8 is rotatably connected with the second connecting shaft 9 through the rotating piece 10, the rotary disc can keep matching to drive the sealing sheet 7 to slide on the surface of the positioning guide rod 11 in a reciprocating mode, the sealing sheet 7 enters the air bundling barrel 1 when moving to the maximum stroke and is blocked, the flowing air flow is instantly static and is in contact with the detection head 21, the sealing sheet 7 leaves the air bundling barrel 1 immediately, and the air flow flows.
When the air suction type air suction device is used, the detection heads 21 are different in spatial position area, so that the required lengths of the guide pipes 15 are different, the air suction flow rates of the guide pipes 15 with different lengths are different under the condition that the internal suction forces are consistent, and in the actual arrangement process, the screw 22 corresponding to the position of the joint 14 is rotated to drive the rubber ball 23 to limit the flow rate of the joint 14 of the shorter guide pipe 15, so that the balanced air suction can be realized.
Specifically, as shown in fig. 1, one side of the joint 14 is communicated with guide tubes 15 having different lengths, a sampling head 16 is fixed to the other end of the guide tube 15, and a filter 18 is attached to the inner wall of the sampling head 16.
Through setting up guide tube 15, guide tube 15 can carry out different distance positions and lay, makes it can keep confined air current transmission effect, and through setting up sampling head 16, sampling head 16 can keep when using, keeps the fine suction to the air current, and filter element 18 of cooperation installation in the cooperation makes it can keep the filter effect to gas, prevents that the dust from getting into the precision that influences the detection under attached to the surperficial long-time that detects head 21.
Specifically, as shown in fig. 2, the surface of the dual-shaft motor 4 is fixed on the inner wall of the negative pressure bin 3 through a plurality of fins 13, and a protective net 24 is arranged at an opening of the negative pressure bin 3.
Through setting up negative pressure storehouse 3, negative pressure storehouse 3 can keep cooperating the fan and play fine negative pressure and keep the effect, cooperates through the protection network 24 that sets up the surface, makes it can play the good protection effect to the fan.
Specifically, as shown in fig. 2, a plurality of screws 22 are threaded through the inner wall of the confluence cabin 2 at positions corresponding to the axial direction of the joint 14, and a rubber ball 23 for controlling the flow rate is fixed at one end of each screw 22 close to the joint 14.
Through setting up screw rod 22, screw rod 22 can keep cooperating rubber ball 23 and carry out comparatively meticulous interval timing, makes its whole air current velocity of flow can comparatively stable control.
Specifically, as shown in fig. 4, a threaded sleeve 19 is fixedly inserted into the inner wall of the collecting chamber 2, and a threaded inner ring 20 that is engaged with the threaded sleeve 19 is fixedly connected to the surface of the detection head 21.
Through setting up thread bush 19, thread bush 19 and screw thread inner ring 20 can keep sealed fixed state, make it detect the operation that head 21 can conveniently install and dismantle, be convenient for overhaul and maintain the use.
Specifically, as shown in fig. 3, the first coupling shaft 8 and the second coupling shaft 9 are movably connected at eccentric positions of the turntable 6 and the seal 7, respectively, and the positioning guide rod 11 is arranged in a cam shape.
Through setting up first even axle 8 and second even axle 9, first even axle 8 and second even axle 9 are located eccentric position, when making its carousel 6 rotate, are in the pivoted condition through rotating member 10 between first even axle 8 and the second even axle 9, and its mounting 7 can realize carrying out axial reciprocating motion, is cooperating the cam form of positioning guide 11, makes it can keep mounting 7 can not appear rotating.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The device for detecting the harmful gas on the working condition site comprises a beam air duct (1) and is characterized in that a confluence bin (2) is fixedly communicated with the right end of the beam air duct (1), a negative pressure bin (3) is fixedly communicated with the left end of the beam air duct (1), a detection head (21) for gas detection is installed on the inner wall of the confluence bin (2), a plurality of joints (14) penetrate through the right side of the confluence bin (2) in a sealing mode, and an electromagnetic valve (17) for on-off control is installed on the surface of each joint (14);
double-shaft motor (4) are installed to the inner wall in negative pressure storehouse (3), two output shafts of double-shaft motor (4) are fixed with flabellum (5) and carousel (6) respectively, the inner wall fixedly connected with support frame (12) of restrainting dryer (1), the fixed surface of support frame (12) is connected with positioning guide rod (11), the spacing axial slip that keeps in surface of positioning guide rod (11) has mounting plate (7), carousel (6) and the opposite face of mounting plate (7) have first axle (8) and second through round pin axle swing joint respectively and link axle (9), the one end that first axle (8) and second link axle (9) are relative is passed through rotating member (10) and is rotated the connection.
2. The on-site harmful gas detection equipment according to claim 1, characterized in that one side of the joint (14) is communicated with guide pipes (15) with different lengths, the other end of each guide pipe (15) is fixed with a sampling head (16), and a filter disc (18) is installed on the inner wall of each sampling head (16).
3. The on-site harmful gas detection equipment according to claim 1, characterized in that the surface of the double-shaft motor (4) is fixed on the inner wall of the negative pressure bin (3) through a plurality of fins (13), and a protective net (24) is arranged at an opening of the negative pressure bin (3).
4. The on-site harmful gas detection equipment according to claim 2, characterized in that a plurality of screws (22) are threaded through the inner wall of the confluence bin (2) at positions corresponding to the axial direction of the joint (14), and a rubber ball (23) for flow rate control is fixed at one end of each screw (22) close to the joint (14).
5. The on-site harmful gas detection equipment according to claim 3, characterized in that a threaded sleeve (19) penetrates through and is fixed on the inner wall of the confluence bin (2), and a threaded inner ring (20) matched with the threaded sleeve (19) is fixedly connected to the surface of the detection head (21).
6. An on-site harmful gas detection device under working conditions according to claim 1, characterized in that the first connecting shaft (8) and the second connecting shaft (9) are respectively and movably connected at the eccentric positions of the rotary table (6) and the sealing plate (7), and the positioning guide rod (11) is arranged in a cam shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221782077.5U CN217845764U (en) | 2022-07-11 | 2022-07-11 | On-spot harmful gas check out test set of operating mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221782077.5U CN217845764U (en) | 2022-07-11 | 2022-07-11 | On-spot harmful gas check out test set of operating mode |
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| Publication Number | Publication Date |
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| CN217845764U true CN217845764U (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221782077.5U Active CN217845764U (en) | 2022-07-11 | 2022-07-11 | On-spot harmful gas check out test set of operating mode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116338110A (en) * | 2023-05-23 | 2023-06-27 | 江苏兰格特自动化设备有限公司 | Probe structure for gas analysis cabin |
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2022
- 2022-07-11 CN CN202221782077.5U patent/CN217845764U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116338110A (en) * | 2023-05-23 | 2023-06-27 | 江苏兰格特自动化设备有限公司 | Probe structure for gas analysis cabin |
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