CN113834598A - Powder tank car pressure measurement - Google Patents
Powder tank car pressure measurement Download PDFInfo
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- CN113834598A CN113834598A CN202110974487.3A CN202110974487A CN113834598A CN 113834598 A CN113834598 A CN 113834598A CN 202110974487 A CN202110974487 A CN 202110974487A CN 113834598 A CN113834598 A CN 113834598A
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- Prior art keywords
- valve
- valve body
- pressure
- pressure sensor
- rod
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- 239000000843 powder Substances 0.000 title claims abstract description 47
- 238000009530 blood pressure measurement Methods 0.000 title description 2
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 4
- 230000008602 contraction Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 26
- 238000007790 scraping Methods 0.000 abstract description 8
- 238000004140 cleaning Methods 0.000 description 7
- 238000007599 discharging Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000005997 Calcium carbide Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/48—Arrangements of indicating or measuring devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Transport Of Granular Materials (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a pressure detection device of a powder tanker, which comprises a valve body, wherein a valve cover is arranged at the upper end of the valve body, a valve clack is arranged at the middle part in the valve body, a valve core is arranged at the upper part in the valve body, a valve rod matched and connected with the valve core is connected at the upper end of the valve clack, a rotating handle is connected at the upper end of the valve rod, a valve port is arranged at the lower part in the valve body, one end of the valve port is provided with a circulating pipe through a circulating hole, the other end of the circulating pipe is connected with a pressure gauge, a vent hole is communicated in the circulating pipe, one side of the vent hole, which is close to the valve body, is connected with an opening and closing filter piece through a connecting shaft, a torsional spring is arranged on the connecting shaft, the opening and closing filter piece comprises a main board, the main board is matched and arranged with the vent hole, a filter screen is arranged at the lower end of the main board, a baffle plate is arranged on the side wall of the connecting shaft, a first pressure sensor connected with the top in the vent hole is arranged at the upper right side of the baffle plate, and scraping teeth are arranged on the right side of the vent hole. The invention prevents dust from entering the pressure gauge, and reduces the possibility of deviation between the pressure displayed by the pressure gauge body and the real pressure in the powder tank.
Description
Technical Field
The invention relates to the technical field of powder tank truck detection equipment, in particular to a pressure detection device of a powder tank truck.
Background
The powder tanker refers to a special vehicle for loading and transporting bulk powder such as cement, coal powder, stone powder, flour, chemical powder and the like. According to the connection type of the tank body and the frame, the tank body can be divided into two categories, namely a fixed tank body and a lifting tank body; the discharging mode of the powder tanker can be divided into different types such as gravity discharging, mechanical discharging, pneumatic discharging and the like; the main articles loaded and transported by the powder tanker can be divided into cement, coal powder, calcium carbide powder, flour and the like. Generally named according to the main goods transported by the powder tanker and the powder unloading mode, such as a gravity unloading bulk cement truck, an air unloading bulk coal powder truck, an air unloading bulk chemical powder truck and the like.
In concrete mixing plant, when bulk powder truck pumps bulk material into powder tank, compressed air is exhausted to atmosphere through dust collector on top of bin to protect environment and ensure smooth air flow inside and outside the tank. If the dust collector on the top of the bin is blocked and the air is not smoothly exhausted, the air pressure in the bin can be increased, and when the air pressure is increased to a certain value, the safety valve is automatically opened to release the pressure, so that the effect of protecting the powder bin is achieved. For safety reasons, monitoring is carried out with pressure detection devices.
If the pressure is too high, the pressure is required to be relieved through the pressure relief valve, but the corners of the valve are easily blocked due to the accumulation of powder particles, so that a false pressure phenomenon is generated, and a danger is easily generated if the hatch door is opened at the moment.
Disclosure of Invention
In view of the above, the present invention is directed to a powder tanker pressure detecting device, so as to solve all or one of the problems in the background art.
Based on the above purpose, the invention provides a powder tanker pressure detection device, which comprises a valve body, wherein a valve cover is arranged at the upper end of the valve body, a valve clack is arranged at the middle part in the valve body, the valve clack slides up and down on the valve body, a valve core is arranged at the upper part in the valve body, a valve rod matched and connected with the valve core is connected at the upper end of the valve clack, a rotating handle is connected at the upper end of the valve rod, the rotating handle is positioned above the valve body, a valve port is arranged at the lower part in the valve body, one end of the valve port is provided with a circulation pipe through a circulation port, the other end of the circulation pipe is connected with a pressure gauge, an air vent is communicated in the circulation pipe, one side of the air vent close to the valve body is connected with an opening and closing filter piece through a connecting shaft, a torsion spring is arranged on the connecting shaft, the opening and closing filter piece comprises a main plate, and the main plate is matched and arranged with the air vent, the front side and the rear side of the main board are both provided with side plates which are fan-shaped, the lower end of the main board is provided with a filter screen, the left side of the filter screen is connected with the main board, the front side and the rear side of the filter screen are respectively connected with the two side plates, the right side of the filter screen is provided with a connecting rod, the two ends of the connecting rod are respectively connected with the two side plates, the side wall of the connecting shaft is provided with a baffle, the right upper part of the baffle is provided with a first pressure sensor connected with the top in the vent hole, the left side of the vent hole is provided with a vent hole, the right side of the vent hole is provided with a scraping tooth which is used for contacting with the lower end surface of the filter screen when the connecting shaft rotates anticlockwise, the right side of the scraping tooth is provided with a second pressure sensor, the first pressure sensor and the second pressure sensor are connected with a controller, and the vent hole is internally provided with a holding tank, the opening part of holding tank is provided with the door that opens and shuts, be provided with first motor in the holding tank, the output of first motor is connected with first electronic flexible push rod through first pivot, the flexible end of first electronic flexible push rod is connected with the (mixing) shaft, be connected with the vibrations ball through elastic spring on the lateral wall of (mixing) shaft, normally open contact is closed in first pressure sensor's time delay normally open contact, power are closed in second pressure sensor's time delay first motor with first electronic flexible push rod series connection intercommunication.
Optionally, an electric telescopic rod is arranged and connected on one side of the opening and closing door, the telescopic end of the electric telescopic rod is connected with the opening and closing door, the electric telescopic rod stretches or contracts to control the opening and closing door to be closed or opened and closed, and the normally open contact of the first pressure sensor, the normally open contact of the second pressure sensor, the power supply and the electric telescopic rod are communicated in series.
Optionally, an outer multi-section telescopic push rod is sleeved outside the elastic spring.
Optionally, an inner multi-section telescopic push rod is arranged on the inner side of the elastic spring, a traction wire is arranged in the inner multi-section telescopic push rod, one end of the traction wire is connected with the vibration ball, the other end of the traction wire is connected with a wire shaft, and the end of the wire shaft is connected with a rotating motor fixedly connected with the side wall of the stirring shaft.
Optionally, an arc-shaped wire groove is formed in the outer side wall of the stirring shaft, and the traction wire penetrates through the arc-shaped wire groove.
Optionally, a plurality of first air outlets are arranged in the accommodating groove, and the first air outlets are communicated with the ion fan.
Optionally, a second air outlet communicated with the ion blower is arranged on the stirring shaft.
From the above, the pressure detection device of the powder tank truck provided by the invention is characterized in that the valve body is connected with the tank body of the powder tank truck through the bolt and the sealing gasket, when the pressure detection device is normally used, air pressure in the powder tank enters the valve body through the valve port, then enters the circulating pipe through the filter element filter screen which is opened and closed, dust is isolated by the filter hole to prevent part of the dust from entering the pressure gauge, the middle part of the circulating pipe is provided with the dust screen, the lower part of the left side of the dust screen is provided with the driving telescopic rod, the driving telescopic rod is provided with the cleaning brush, the lower part of the cleaning brush is provided with the storage tank, when the service time is too long, the valve port belongs to the necking, the filter screen and the valve port are easy to be blocked, so that the pressure displayed by the meter body is deviated from the real pressure in the powder tank, at the moment, the handle is periodically rotated, the valve rod is connected with the valve core through the thread, the valve clack moves downwards under the action of the valve rod and pushes the outer wall, and then make the filtration piece that opens and shuts rotate, scrape the tooth and be convenient for clear up the dust of filter screen, after opening and shutting filtration piece left side and circulation mouth cooperation set up, first pressure sensor and second pressure sensor all receive pressure, the extension of the first electronic flexible push rod of being convenient for, the first pivot of first motor drive is rotated, the dust of the intraductal adhesion of shock ball to the circulation of being convenient for is cleared up, prevent that the dust from entering into the manometer, reduce the pressure that the manometer body shows and the interior true pressure of powder jar possibility that the deviation appears.
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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a flow-through tube according to an embodiment of the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
In the figure: the valve comprises a valve body 1, a valve clack 2, a valve rod 3, a rotating handle 4, a valve core 5, a valve port 6, a pressure gauge 7, a circulating port 8, a circulating pipe 9, a connecting shaft 10, a vent hole 11, an opening and closing filter piece 12, a side plate 13, a main plate 14, a filter screen 15, a first pressure sensor 16, a second pressure sensor 17, scraping teeth 18, an opening and closing door 19, a first electric telescopic push rod 20, a first motor 21, a first rotating shaft 22, an inner multi-section telescopic push rod 23, a traction wire 24, a spool 25, a rotating motor 26, an outer multi-section telescopic push rod 27, an elastic spring 28, a vibration ball 29 and a baffle 30.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
It is to be noted that technical terms or scientific terms used in the embodiments of the present invention should have the ordinary meanings as understood by those having ordinary skill in the art to which the present disclosure belongs, unless otherwise defined. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
A pressure detection device of a powder tanker comprises a valve body 1, wherein a valve cover is arranged at the upper end of the valve body 1, a valve clack 2 is arranged at the middle part in the valve body 1, the valve clack 2 slides up and down on the valve body 1, a valve core 5 is arranged at the upper part in the valve body 1, the upper end of the valve clack 2 is connected with a valve rod 3 which is in matched connection with the valve core 5, the upper end of the valve rod 3 is connected with a rotating handle 4, the rotating handle 4 is positioned above the valve body 1, a valve port 6 is arranged at the lower part in the valve body 1, one end of the valve port 6 is provided with a runner pipe 9 through a runner port 8, the other end of the runner pipe 9 is connected with a pressure gauge 7, a vent hole 11 is communicated in the runner pipe 9, one side of the vent hole 11, which is close to the valve body 1, is connected with an opening and closing filter piece 12 through a connecting shaft 10, a torsion spring is arranged on the connecting shaft 10, the opening and closing filter piece 12 comprises a main board 14, the main board 14 is matched with the vent hole 11, side plates 13 are arranged on the front side and the rear side of the main board 14, the side plates 13 are fan-shaped, a filter screen 15 is arranged at the lower end of the main board 14, the left side of the filter screen 15 is connected with the main board 14, the front side and the rear side of the filter screen 15 are respectively connected with the two side plates 13, a connecting rod is arranged on the right side of the filter screen 15, two ends of the connecting rod are respectively connected with the two side plates 13, a baffle is arranged on the side wall of the connecting shaft 10, a first pressure sensor 16 connected with the top in the vent hole 11 is arranged on the upper right of the baffle, a vent hole is arranged on the left side of the vent hole 11, scraping teeth 18 are arranged on the right side of the vent hole, the scraping teeth 18 are in contact with the lower end face of the filter screen 15 when the connecting shaft 10 rotates anticlockwise, and a second pressure sensor 17 is arranged on the right side of the scraping teeth 18, the first pressure sensor 16 and the second pressure sensor 17 are connected with a controller, a holding tank is arranged in the vent hole 11, an opening and closing door 19 is arranged at an opening of the holding tank, a first motor 21 is arranged in the holding tank, an output end of the first motor 21 is connected with a first electric telescopic push rod 20 through a first rotating shaft 22, a telescopic end of the first electric telescopic push rod 20 is connected with a stirring shaft, a side wall of the stirring shaft is connected with a vibration ball 29 through an elastic spring 28, the normally open contact of the first pressure sensor 16 is closed in a delayed manner, the normally open contact of the second pressure sensor 17 is closed in a delayed manner, a power supply, the first motor 21 and the first electric telescopic push rod 20 are communicated in series, the valve body 1 is connected with a tank body of a powder tank truck through a bolt and a sealing gasket, and during normal use, air pressure in the powder tank enters the valve body 1 through a valve port, then the dust enters a flow pipe 9 through an opening and closing filter element 12, the dust is isolated by a filter hole to prevent part from entering a pressure gauge 7, a dust screen is arranged in the middle of the flow pipe 9, a driving telescopic rod is arranged below the left side of the dust screen, a cleaning brush is arranged on the driving telescopic rod, a storage tank is arranged below the cleaning brush, when the use time is too long, a valve port belongs to a necking, the filter screen 15 and the valve port are easily blocked, so that the pressure displayed by a meter body is deviated from the real pressure in a powder tank, at the moment, a handle 4 is periodically rotated, a valve rod 3 is connected with a valve core 4 through threads, the valve core moves downwards under the action of the valve rod and pushes the outer wall, the opening and closing filter element 12 is rotated, a scraping tooth 18 is convenient for cleaning the dust of the filter screen, after the left side of the opening and closing filter element 12 is matched with the flow hole 8, a first pressure sensor 16 and a second pressure sensor 17 both receive the pressure, be convenient for first electronic telescopic push rod 20 extension, first motor 21 drive first pivot 22 rotates, is convenient for shake ball 29 and clears up the dust of adhesion in the convection tube 9, prevents that the dust from entering into manometer 7, reduces the pressure that manometer 7 body shows and the interior true pressure of powder jar possibility that the deviation appears.
In order to facilitate the pressure being received by the first pressure sensor 16 and the second pressure sensor 17, the normally open contact of the first pressure sensor 16 is closed, the electric telescopic handle is powered on to control the opening of the opening and closing door 19, one side of the opening and closing door 19 is provided with the electric telescopic handle, the telescopic end of the electric telescopic handle is connected with the opening and closing door 19, the electric telescopic handle stretches or contracts to control the opening and closing door 19 to be closed or opened and closed, and the normally open contact of the first pressure sensor 16, the normally open contact of the second pressure sensor 17, a power supply and the electric telescopic handle are connected in series.
In order to protect the elastic spring 28, an outer multi-section telescopic push rod 27 is sleeved outside the elastic spring 28.
In order to facilitate the retraction of the vibration ball 29 and the retraction of the vibration ball 29 into the accommodating groove, the inner side of the elastic spring 28 is provided with an inner multi-section telescopic push rod 23, a traction wire 24 is arranged in the inner multi-section telescopic push rod 23, one end of the traction wire 24 is connected with the vibration ball 29, the other end of the traction wire 24 is connected with a spool 25, and the end part of the spool 25 is connected with a rotating motor 26 fixedly connected with the side wall of the stirring shaft.
In order to prevent the traction wires 24 from winding each other, an arc-shaped wire guide groove is formed in the outer side wall of the stirring shaft, and the traction wires 24 penetrate through the arc-shaped wire guide groove.
In order to facilitate preventing the dust from entering into the holding tank, be provided with a plurality of first air outlets in the holding tank, first air outlet intercommunication has ionic wind machine.
In order to reduce the adhesion of dust on the stirring shaft, a second air outlet communicated with the ion fan is arranged on the stirring shaft.
The valve body 1 is connected with a tank body of a powder tank car through a bolt and a sealing gasket, when the powder tank car is normally used, air pressure in the powder tank enters the valve body 1 through a valve port, then enters a runner pipe 9 through a filter screen 15 of an opening and closing filter piece 12, dust is isolated by a filter hole, a part of the dust is prevented from entering a pressure gauge 7, a dust screen is arranged in the middle of the runner pipe 9, a driving telescopic rod is arranged below the left side of the dust screen, a cleaning brush is arranged on the driving telescopic rod, a storage tank is arranged below the cleaning brush, when the service time is too long, the valve port belongs to a necking, the filter screen 15 and the valve port are easily blocked, so that the pressure displayed by a meter body and the real pressure in the powder tank are deviated, at the moment, a handle 4 is periodically rotated, a valve rod 3 is connected with a valve core 4 through a thread, a valve clack moves downwards under the action of the valve rod and pushes an outer wall, so that the opening and closing filter piece 12 rotates, scrape tooth 18 and be convenient for clear up the dust of filter screen, after opening and shutting and filter piece 12 left side and circulation mouth 8 cooperation and set up, first pressure sensor 16 with second pressure sensor 17 all receives pressure, and the extension of the first electronic flexible push rod 20 of being convenient for, the first pivot 22 of first motor 21 drive rotates, and the dust of adhesion in the circulation pipe 9 is cleared up to the vibrations ball 29 of being convenient for, prevents that the dust from entering into manometer 7, reduces the pressure that manometer 7 body shows and the interior true pressure of powder jar and the possibility of deviation appears.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the spirit of the present disclosure, features from the above embodiments or from different embodiments may also be combined, steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments of the present description as described above, which are not provided in detail for the sake of brevity.
In addition, well-known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown in the provided figures, for simplicity of illustration and discussion, and so as not to obscure one or more embodiments of the disclosure. Furthermore, devices may be shown in block diagram form in order to avoid obscuring the understanding of one or more embodiments of the present description, and this also takes into account the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the one or more embodiments of the present description are to be implemented (i.e., specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the disclosure, it should be apparent to one skilled in the art that one or more embodiments of the disclosure can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.
While the present disclosure has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description. For example, other memory architectures (e.g., dynamic ram (dram)) may use the discussed embodiments.
It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the present disclosure.
Claims (7)
1. The pressure detection device of the powder tanker is characterized by comprising a valve body (1), a valve cover is arranged at the upper end of the valve body (1), a valve clack (2) is arranged at the middle part in the valve body (1), the valve clack (2) slides up and down on the valve body (1), a valve core (5) is arranged at the upper part in the valve body (1), a valve rod (3) which is matched and connected with the valve core (5) is connected at the upper end of the valve clack (2), a rotating handle (4) is connected at the upper end of the valve rod (3), the rotating handle (4) is positioned above the valve body (1), a valve port (6) is arranged at the lower part in the valve body (1), one end of the valve port (6) is provided with a circulating pipe (9) through a circulating port (8), the other end of the circulating pipe (9) is connected with a pressure gauge (7), and a vent hole (11) is communicated in the circulating pipe (9), the utility model discloses a filter, it is characterized in that air vent (11) are close to one side of valve body (1) is connected with the filtration piece (12) that opens and shuts through connecting axle (10), be provided with the torsional spring on connecting axle (10), the filtration piece (12) that opens and shuts includes mainboard (14), mainboard (14) with air vent (11) cooperation sets up, mainboard (14) front side and rear side all are provided with curb plate (13), curb plate (13) are fan-shaped, mainboard (14) lower extreme is provided with filter screen (15), filter screen (15) left side with mainboard (14) are connected, filter screen (15) front side and rear side respectively with two curb plate (13) are connected, filter screen (15) right side is provided with the connecting rod, the both ends of connecting rod are two respectively curb plate (13) are connected, be provided with the baffle on connecting axle (10) lateral wall, the baffle upper right side be provided with first pressure sensor (16) that the top is connected in air vent (11) The utility model discloses a vibrating stirrer, including air vent (11), air vent right side is provided with scrapes tooth (18), is used for when connecting axle (10) anticlockwise rotates scrape tooth (18) with terminal surface contact under filter screen (15), it is provided with second pressure sensor (17) to scrape tooth (18) right side, first pressure sensor (16) with second pressure sensor (17) are connected with the controller, the holding tank has been seted up in air vent (11), the opening part of holding tank is provided with door (19) that opens and shuts, be provided with first motor (21) in the holding tank, the output of first motor (21) is connected with first electronic flexible push rod (20) through first pivot (22), the flexible end of first electronic flexible push rod (20) is connected with the (mixing) shaft, be connected with vibrations ball (29) through elastic spring (28) on the lateral wall of (mixing) shaft, the time-delay closing normally open contact of the first pressure sensor (16), the time-delay closing normally open contact of the second pressure sensor (17), the power supply, the first motor (21) and the first electric telescopic push rod (20) are communicated in series.
2. The powder tanker pressure detecting device according to claim 1, wherein an electric telescopic rod is connected to one side of the opening and closing door (19), the telescopic end of the electric telescopic rod is connected to the opening and closing door (19), the expansion or contraction of the electric telescopic rod is used for controlling the opening and closing door (19) to be closed or opened, and the normally open contact of the first pressure sensor (16), the normally open contact of the second pressure sensor (17), the power supply and the electric telescopic rod are connected in series.
3. The pressure detection device of the powder tanker according to claim 1, characterized in that an outer plurality of sections of telescopic push rods (27) are sleeved outside the elastic spring (28).
4. The powder tanker pressure detection device according to claim 1, wherein an inner multi-section telescopic push rod (23) is arranged inside the elastic spring (28), a traction wire (24) is arranged inside the inner multi-section telescopic push rod (23), one end of the traction wire (24) is connected with the vibration ball (29), the other end of the traction wire (24) is connected with a spool (25), and the end of the spool (25) is connected with a rotating motor (26) fixedly connected with the side wall of the stirring shaft.
5. The powder tanker pressure detecting device according to claim 4, wherein an arc-shaped wire guide groove is arranged on the outer side wall of the stirring shaft, and the pulling wire (24) passes through the arc-shaped wire guide groove.
6. The powder tanker pressure detecting device according to claim 1, wherein a plurality of first air outlets are provided in the accommodating groove, and the first air outlets are communicated with an ion blower.
7. The powder tanker pressure detecting device according to claim 6, wherein said stirring shaft is provided with a second air outlet communicated with said ion blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110974487.3A CN113834598B (en) | 2021-08-24 | 2021-08-24 | Powder tank car pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110974487.3A CN113834598B (en) | 2021-08-24 | 2021-08-24 | Powder tank car pressure detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113834598A true CN113834598A (en) | 2021-12-24 |
| CN113834598B CN113834598B (en) | 2024-06-21 |
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