CN209841610U - Device for detecting flowability of dry powder extinguishing agent - Google Patents
Device for detecting flowability of dry powder extinguishing agent Download PDFInfo
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- CN209841610U CN209841610U CN201920605167.9U CN201920605167U CN209841610U CN 209841610 U CN209841610 U CN 209841610U CN 201920605167 U CN201920605167 U CN 201920605167U CN 209841610 U CN209841610 U CN 209841610U
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- dry powder
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- extinguishing agent
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Abstract
The utility model relates to a dry powder fire extinguishing agent mobility detection area discloses a device for dry powder fire extinguishing agent mobility detects, and to the problem that dry powder mobility detects considers the error big and inefficiency among the prior art, the following scheme is put forward now, and it includes bottom plate, hourglass and roof, the top of bottom plate is fixed with two curb plates, the outside at two curb plates is established to the roof cover, the hourglass is located between two curb plates, and the outside intermediate position of hourglass is fixed with fixed frame, and the both sides of fixed frame all are fixed with the pivot, and one end of one of them pivot runs through the outside that one of them curb plate extended to the curb plate, and the one end that the pivot is located the curb plate outside is fixed with the gear, and two pivots rotate with two curb plates respectively and be connected. The utility model discloses rational in infrastructure, design benefit, easy operation has solved among the prior art dry powder mobility and has detected the problem that the error is big and inefficiency, easily uses widely.
Description
Technical Field
The utility model relates to a dry powder extinguishing agent mobility detection area especially relates to a device that is used for dry powder extinguishing agent mobility to detect.
Background
The dry powder fire extinguishing agent is a kind of dry, easy-to-flow fine powder for fire extinguishing, and is generally prepared by using inorganic salt with fire extinguishing effect as base material, adding additives (hydrophobic agent, anti-caking agent, flow promoter, etc.) for improving its physical properties, pulverizing and mixing. In use, dry powder is sprayed from a container by means of the gas pressure in a fire extinguisher or other fire extinguishing apparatus and a fire is extinguished in the form of a powder mist. The fine inorganic salt particles in the dry powder extinguishing agent have irregular shapes and very large specific surface areas, and after impact or vibration is applied to the dry powder extinguishing agent in long-term storage, the distance between the powder particles becomes small, the interaction force becomes strong, compaction and agglomeration are easy to occur, and the movement performance is poor. Therefore, the additive is required to be added to perform anti-caking treatment on the dry powder extinguishing agent so that the dry powder extinguishing agent keeps a loose powder state in the effective storage period and has good fluidity.
The fluidity of the dry powder extinguishing agent is an important index for measuring the service performance of the dry powder extinguishing agent, and the quality of the fluidity directly influences the extinguishing effect of the dry powder extinguishing agent. Therefore, the detection of the flowability of the dry powder extinguishing agent is necessary. The fluidity test method comprises placing a certain amount of dry powder (300 g) in a glass sand clock with a fine neck in the middle, turning the sand clock up and down to make the dry powder flow freely in the sand clock, measuring the time of the dry powder passing through the middle neck 20 times, and calculating the average value of the 20 times as the fluidity test result. The existing device overturns the glass sand clock up and down through the manual work, because the speed that different personnel overturned the sand clock is different, and the position after the sand clock overturns moreover is also different, and whether different personnel are totally through the judgement of middle neck mouth to the powder also can not be completely the same in addition, and these must bring great human error for the testing result, also very big influence work efficiency simultaneously.
Disclosure of Invention
The utility model provides a device for dry powder extinguishing agent mobility detects has solved among the prior art dry powder mobility and has detected the problem that the error is big and inefficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a device for detecting the flowability of a dry powder extinguishing agent comprises a bottom plate, an hourglass and a top plate, wherein two side plates are fixed at the top of the bottom plate, the top plate is sleeved outside the two side plates, the hourglass is positioned between the two side plates, a fixing frame is fixed at the middle position outside the hourglass, rotating shafts are fixed on two sides of the fixing frame, one end of one rotating shaft penetrates through one side plate and extends to the outer side of the side plate, a gear is fixed at one end of the rotating shaft, which is positioned outside the side plate, the two rotating shafts are respectively and rotatably connected with the two side plates, a mounting plate is fixed on the outer wall of one side plate, a telescopic rod is fixed at the top of the mounting plate, a rack is fixed at one end of the telescopic rod, the rack is positioned on one side of the gear and is meshed with the, one side that the curb plate is fixed with the mounting panel is fixed with the control box, the one end of hourglass is fixed with the inlet pipe.
Preferably, two the outside of curb plate all is fixed with the baffle, and two spread grooves have been seted up at the top of roof, and the one end of two curb plates runs through two spread grooves on the roof respectively and extends to the top of roof.
Preferably, the outside cover of rack is equipped with spacing frame, and one side of spacing frame and one side outer wall fixed connection of curb plate.
Preferably, a valve is fixed on the feeding pipe, and the telescopic rod is an electric telescopic rod.
Preferably, the control box includes the controller, controller and control box electric connection, and telescopic link, sensor receiving terminal and sensor transmitting terminal all with control box electric connection.
The utility model discloses in:
through the cooperation between control box, fixed frame, sensor receiving terminal, sensor transmitting terminal, pivot, gear, rack, mounting panel and the telescopic link, reach the face of automatic timing and upset hourglass, eliminated artificial error, also improved the efficiency that detects.
The utility model discloses rational in infrastructure, design benefit, easy operation has solved among the prior art dry powder mobility and has detected the problem that the error is big and inefficiency, easily uses widely.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the side plate of the present invention.
Reference numbers in the figures: 1 bottom plate, 2 hourglass, 3 curb plates, 4 roof, 5 spread grooves, 6 baffles, 7 inlet pipes, 8 racks, 9 mounting panels, 10 gears, 11 pivot, 12 sensor transmitting terminals, 13 fixed frames, 14 sensor receiving terminals, 15 telescopic links, 16 control boxes, 17 spacing frames.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a device for detecting flowability of a dry powder extinguishing agent comprises a bottom plate 1, an hourglass 2 and a top plate 4, wherein two side plates 3 are fixed at the top of the bottom plate 1, the top plate 4 is sleeved outside the two side plates 3, the hourglass 2 is positioned between the two side plates 3, a fixing frame 13 is fixed at the middle position outside the hourglass 2, rotating shafts 11 are fixed on both sides of the fixing frame 13, one end of one rotating shaft 11 penetrates through one side plate 3 and extends to the outer side of the side plate 3, a gear 10 is fixed at one end of the rotating shaft 11 positioned outside the side plate 3, the two rotating shafts 11 are respectively rotatably connected with the two side plates 3, a mounting plate 9 is fixed on the outer wall of one side plate 3, a telescopic rod 15 is fixed at the top of the mounting plate 9, a rack 8 is fixed at one end of the telescopic rod 15, the rack 8 is, a sensor transmitting end 12 and a sensor receiving end 14 are respectively fixed on the opposite inner walls of two sides of the fixing frame 13, a control box 16 is fixed on one side of the side plate 3, on which the mounting plate 9 is fixed, and a feeding pipe 7 is fixed at one end of the hourglass 2.
In this embodiment, two outside of curb plate 3 all is fixed with baffle 6, two spread grooves 5 have been seted up at the top of roof 4, the one end of two curb plates 3 runs through two spread grooves 5 on the roof 4 respectively and extends to the top of roof 4, the outside cover of rack 8 is equipped with spacing frame 17, one side of spacing frame 17 and one side outer wall fixed connection of curb plate 3, be fixed with the valve on the inlet pipe 7, telescopic link 15 is electric telescopic handle, control box 16 includes the controller, controller and 16 electric connection of control box, telescopic link 15, sensor receiving terminal 14 and sensor transmitting terminal 12 all with 16 electric connection of control box.
In this embodiment, the controller is of type TA89C 51.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The working principle is as follows: when the dry powder in the hourglass on one side completely passes through the neck, the signal transmitted by the sensor transmitter 12 is not blocked by the dry powder and is received by the sensor receiver 14, the sensor receiving end 14 transmits the signal to the control box 16, the control box 16 can automatically record the time when the powder completely passes through the middle neck, meanwhile, the controller controls the telescopic rod 15 to extend, the rack 8 drives the gear 10 to rotate, so that the hourglass 2 is automatically overturned, the overturned hourglass 2 is automatically positioned at a position vertical to the desktop by controlling the extension length of the telescopic rod 15, then the control box 16 can continuously time, when the hourglass 2 is overturned next time, the telescopic rod 15 contracts and can be in place, so that the hourglass 2 is repeatedly timed and overturned, when the overturning reaches 20 times, the overturning is automatically stopped, the average value of the overturning time of 20 times is automatically calculated, the value is a test result, after the use is finished, the valves on both feed pipes 7 are opened to facilitate cleaning of the interior of the hourglass 2.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A device for detecting the flowability of a dry powder extinguishing agent comprises a bottom plate (1), an hourglass (2) and a top plate (4), and is characterized in that two side plates (3) are fixed at the top of the bottom plate (1), the top plate (4) is sleeved outside the two side plates (3), the hourglass (2) is located between the two side plates (3), a fixing frame (13) is fixed at the middle position outside the hourglass (2), rotating shafts (11) are fixed on two sides of the fixing frame (13), one end of one rotating shaft (11) penetrates through one side plate (3) and extends to the outer side of the side plate (3), a gear (10) is fixed at one end of the rotating shaft (11) located on the outer side of the side plate (3), the two rotating shafts (11) are respectively in rotating connection with the two side plates (3), a mounting plate (9) is fixed on the outer wall of one side plate (3), the top of mounting panel (9) is fixed with telescopic link (15), and the one end of telescopic link (15) is fixed with rack (8), and rack (8) are located one side of gear (10), and rack (8) mesh with gear (10), be fixed with sensor transmitting terminal (12) and sensor receiving terminal (14) on the relative inner wall in both sides of fixed frame (13) respectively, one side that curb plate (3) are fixed with mounting panel (9) is fixed with control box (16), the both ends of hourglass (2) all are fixed with inlet pipe (7).
2. The device for detecting the flowability of the dry powder extinguishing agent according to claim 1, wherein the baffle (6) is fixed outside each of the two side plates (3), the top of the top plate (4) is provided with two connecting slots (5), and one end of each of the two side plates (3) extends to the top of the top plate (4) through the two connecting slots (5) on the top plate (4).
3. The device for detecting the flowability of the dry powder extinguishing agent according to claim 1, wherein a limiting frame (17) is sleeved outside the rack (8), and one side of the limiting frame (17) is fixedly connected with the outer wall of one side of the side plate (3).
4. The device for detecting the flowability of the dry powder extinguishing agent according to claim 1, wherein a valve is fixed on the feeding pipe (7), and the telescopic rod (15) is an electric telescopic rod.
5. The device for detecting the flowability of the dry powder extinguishing agent according to claim 1, wherein the control box (16) comprises a controller, the controller is electrically connected with the control box (16), and the telescopic rod (15), the sensor receiving end (14) and the sensor emitting end (12) are electrically connected with the control box (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920605167.9U CN209841610U (en) | 2019-04-29 | 2019-04-29 | Device for detecting flowability of dry powder extinguishing agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920605167.9U CN209841610U (en) | 2019-04-29 | 2019-04-29 | Device for detecting flowability of dry powder extinguishing agent |
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| Publication Number | Publication Date |
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| CN209841610U true CN209841610U (en) | 2019-12-24 |
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| CN201920605167.9U Active CN209841610U (en) | 2019-04-29 | 2019-04-29 | Device for detecting flowability of dry powder extinguishing agent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117147377A (en) * | 2023-10-30 | 2023-12-01 | 江苏威名新材料有限公司 | Fluidity testing device for chemical products |
-
2019
- 2019-04-29 CN CN201920605167.9U patent/CN209841610U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117147377A (en) * | 2023-10-30 | 2023-12-01 | 江苏威名新材料有限公司 | Fluidity testing device for chemical products |
| CN117147377B (en) * | 2023-10-30 | 2023-12-29 | 江苏威名新材料有限公司 | Fluidity testing device for chemical products |
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