CN109141767B - Air tightness detection device and method for pantograph carbon slide plate - Google Patents
Air tightness detection device and method for pantograph carbon slide plate Download PDFInfo
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- CN109141767B CN109141767B CN201811147562.3A CN201811147562A CN109141767B CN 109141767 B CN109141767 B CN 109141767B CN 201811147562 A CN201811147562 A CN 201811147562A CN 109141767 B CN109141767 B CN 109141767B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
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Abstract
The invention discloses a pantograph carbon slide plate airtightness detection device which comprises a rack and a belt conveyor fixedly installed on the rack, wherein the belt conveyor is longitudinally installed on the rack, a plurality of batteries are vertically and fixedly installed on a conveyor belt of the belt conveyor, each battery can be detachably and fixedly provided with a pantograph slide plate, water sensors are fixedly installed on the surfaces of the batteries on two sides of the pantograph slide plate, and the water sensors are electrically connected with a water leakage controller and an alarm lamp which are installed on the side surface of each battery. Has the advantages that: the pantograph carbon slide plate air tightness detection device and the detection method thereof can accurately and rapidly detect the air tightness of the pantograph carbon slide plate, do not need manual detection, can ensure the reliability of long-time detection, do not need to wait for a period of time, can immediately obtain a detection result, and have the advantages of high detection speed, high efficiency and good practicability.
Description
Technical Field
The invention relates to the field of detection of air tightness of a pantograph carbon slide plate, in particular to a device and a method for detecting air tightness of the pantograph carbon slide plate.
Background
At present, detect on the market to the gas tightness of pantograph slide or put into the aquatic with the pantograph slide and detect, or inject high-pressure gas into the pantograph slide, detect remaining high-pressure gas's surplus or atmospheric pressure in the air flue of pantograph slide after a period, judge the gas tightness of pantograph slide through the change of analysis comparison atmospheric pressure or surplus. However, in the actual use process, the above detection method has the following problems:
firstly, for a detection method that a pantograph slide plate is placed underwater and then high-pressure air is injected into the pantograph slide plate, the pantograph slide plate is subjected to the pressure of water to the pantograph slide plate after being placed underwater, at the moment, if fine cracks exist on the surface of the pantograph slide plate, the bubbles are smaller after the air escapes, the bubbles cannot float on the surface of the pantograph slide plate under the action of the pressure of the water and cling to the surface of the cracks, so that the pantograph slide plate is turned over in the water manually to detect whether the bubbles exist on the surface of the pantograph slide plate, the detection method is limited by human energy, whether the surface of the pantograph slide plate has cracks is difficult to accurately detect, the detection effect is not ideal enough, and the detection is easy to miss;
secondly, for the detection method for injecting high-pressure air into the air passage of the pantograph slide plate, the detection process needs to spend certain time for waiting to measure the air pressure or the air allowance in the air passage, and then the detection result is analyzed and compared to obtain a conclusion, so the detection time is long, the result cannot be detected immediately, and the time cost is too high.
Disclosure of Invention
The invention aims to solve the problems, and provides a pantograph carbon slide plate airtightness detection device and a detection method thereof, so as to solve the problems that the traditional pantograph carbon slide plate airtightness detection in the prior art is not accurate enough, is easy to miss detection, is long in detection time and the like. The optimal technical scheme of the technical schemes provided by the invention can realize accurate and rapid detection of the air tightness of the pantograph slide plate, and manual detection is not needed, so that the reliability of long-time detection can be ensured, a detection result can be obtained immediately without waiting for a period of time, and the technical effects of high efficiency, good practicability and the like of the detection speed block are explained in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a pantograph carbon slide plate airtightness detection device which comprises a rack and a belt conveyor fixedly installed on the rack, wherein the belt conveyor is longitudinally installed on the rack, a plurality of batteries are vertically and fixedly installed on a conveyor belt of the belt conveyor, each battery can be detachably and fixedly provided with a pantograph slide plate, the surfaces of the batteries on two sides of the pantograph slide plate are fixedly provided with water sensors, and the water sensors are electrically connected with a water leakage controller and an alarm lamp which are installed on the side surface of each battery;
the upper end and the lower end of the belt conveyor are horizontally and fixedly provided with electro-hydraulic push rods, two parallel detection rods are vertically arranged in front of the front surface of the belt conveyor, the upper end and the lower end of each detection rod are fixedly connected with the electro-hydraulic push rods, and the electro-hydraulic push rods drive the detection rods to move back and forth in front of the front surface of the belt conveyor;
the front surface of the detection rod is provided with an upper through hole and a lower through hole, the upper through hole and the lower through hole of one detection rod are respectively communicated with a water tank arranged on the rack through a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe are both provided with a high-pressure water pump, one through hole of the other detection rod is communicated with a hot air dryer arranged on the rack through an air inlet pipe, the water outlet pipe is also provided with a control valve, a water pressure sensor and a flow sensor, and the water pressure sensor is positioned at one end, close to the;
the frame is also provided with a processing module electrically connected with the water pressure sensor and the flow sensor and a central processing unit electrically connected with the processing module, the processing module is internally provided with a plurality of single-chip microcomputers respectively used for processing data information detected by the water pressure sensor and the flow sensor, the processing module processes the data information and transmits the processed data information to the central processing unit, and the central processing unit controls the actions of the electro-hydraulic push rod, the control valve and the high-pressure water pump according to the data information;
the back of the detection rod is fixedly provided with an insertion tube which is communicated with the through hole in a sealing mode, the insertion tube is detachably connected with an air passage hole in the pantograph slide plate in a sealing mode, a pressure switch is arranged on the side face of the insertion tube, after the insertion tube is inserted into the air passage hole, the pressure switch is extruded by the pantograph slide plate, and the pressure switch is electrically connected with a high-pressure water pump on the water inlet tube.
As an important design of the scheme, a plurality of electric suckers and a control switch for controlling the on-off of the plurality of electric suckers are fixedly arranged on the battery; the pantograph slide plate is adsorbed on the battery through the electric sucker.
As the optimized design of the scheme, the section of the water sensor is U-shaped;
when water leaks from the surface of the pantograph sliding plate, the water sensor can detect a water leakage signal.
As the optimized design of the scheme, the number of the detection rods is multiple, and the detection rods are uniformly distributed on the belt conveyor.
As the optimized design of the scheme, the air inlet pipe is communicated with the through hole at the upper end of the detection rod.
A method for detecting the airtightness of a carbon pantograph slider, which comprises the following steps of adopting the carbon pantograph slider airtightness detection device according to any one of claims 1 to 5:
vertically and fixedly mounting a pantograph slide plate on a conveyor belt of a belt conveyor, and then starting the belt conveyor;
step two: when the pantograph slide is conveyed to the right rear side of the detection rod by the belt conveyor, the control electro-hydraulic push rod drives the detection rod connected with water to move backwards, the insertion tube is inserted into the air passage hole, when the pantograph slide extrudes the pressure switch, the pressure switch controls the high-pressure water pump on the water inlet tube to start to pump the water in the water tank into the air passage in the pantograph slide through the water inlet tube, at the moment, the control valve is in a closed state, and therefore the air passage of the pantograph slide is filled with high-pressure water rapidly, meanwhile, the water pressure sensor monitors the water pressure in the air passage in real time and transmits the detection data to the processing module, the water pressure in the air passage is transmitted to the central processing unit after being processed by the processing module, if the air tightness of the pantograph slide is poor, namely, cracks exist on the surface, and. The crack is sprayed out and falls onto a water sensor, the water sensor detects that water overflows, the water sensor transmits a detected signal to a water leakage controller, and the water leakage controller controls an alarm lamp to flash and give an alarm according to a water leakage signal;
step three: when the water pressure detected by the water pressure sensor reaches a preset value, the central processing unit controls the control valve to be opened, and simultaneously controls the high-pressure water pump on the water inlet pipe to stop pumping water, and the high-pressure water pump on the water outlet pipe is started to pump the water in the air passage completely, in the process, the flow sensor can detect the flow of the water discharged by the water discharge pipe in real time and transmit the detected data to the processing module, and the detected data is transmitted to the central processing unit after being processed by the processing module;
step four: when the flow sensor cannot detect that water flows out of the water outlet pipe continuously, the water in the air passage is discharged completely, at the moment, the central processing unit controls the electro-hydraulic push rod to act to push the insertion pipe to be separated from the air passage hole, and then the belt conveyor continues to rotate until the next pantograph slide plate to be detected moves to the position right behind the detection rod connected with the water tank;
step five: when the detected pantograph slide plate moves to the position right behind a detection rod connected with the hot air dryer along with the belt conveyor, the electro-hydraulic push rod controls the detection rod to move backwards to enable the insertion tube to be inserted into the air passage hole, then the hot air dryer is started, and hot air enters the air passage through the air inlet pipe to dry moisture remaining in the air passage;
step six: and the dried pantograph slide plate continuously moves to the front and back of the operator along with the belt conveyor, and the operator takes down and separately stores the qualified pantograph slide plate and the unqualified pantograph slide plate which are detected according to the state of the alarm lamp.
As an optimized design of the scheme, in the fifth step, when the pantograph slide plate to be detected moves to the position right behind the detection rod connected with the water tank, the detected pantograph slide plate also moves to the position right behind the detection rod connected with the hot air dryer.
Has the advantages that: the pantograph carbon slide plate air tightness detection device and the detection method thereof can accurately and rapidly detect the air tightness of the pantograph carbon slide plate, do not need manual detection, can ensure the reliability of long-time detection, do not need to wait for a period of time, can immediately obtain a detection result, and have the advantages of high detection speed, high efficiency and good practicability.
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 front view of the present invention;
FIG. 2 is an internal block diagram of FIG. 1 of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is an enlarged partial view of FIG. 3 of the present invention;
FIG. 5 is a rear view of the test rod of the present invention;
fig. 6 is a partial enlarged view of fig. 5 of the present invention.
The reference numerals are explained below:
1. a frame; 2. a belt conveyor; 3. a battery; 4. an electric suction cup; 5. a pantograph slide plate; 6. a control switch; 7. a water immersion sensor; 8. a water leakage controller; 9. an alarm lamp; 10. an airway hole; 11. an electro-hydraulic push rod; 12. a detection lever; 13. a hot air dryer; 14. a water tank; 15. a water inlet pipe; 16. a high pressure water pump; 17. a control valve; 18. a water pressure sensor; 19. a flow sensor; 20. a pressure switch; 21. inserting a tube; 22. a through hole; 23. a processing module; 24. a central processing unit; 25. an air inlet pipe; 26. and (5) discharging a water pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1-4, the pantograph carbon slide plate airtightness detection device provided by the invention comprises a rack 1 and a belt conveyor 2 fixedly installed on the rack 1, wherein the belt conveyor 2 is longitudinally installed on the rack 1, so that a pantograph slide plate 5 can be vertically installed on a conveyor belt, water in a cavity of the pantograph slide plate 5 can completely flow out conveniently after detection is finished, a plurality of batteries 3 are vertically and fixedly installed on the conveyor belt of the belt conveyor 2, the batteries 3 are used for supplying power for the work of an electric sucker 4, one pantograph slide plate 5 can be detachably and fixedly installed on each battery 3, water sensors 7 are fixedly installed on the surfaces of the batteries 3 on two sides of the pantograph slide plate 5, the water sensors 7 are used for detecting the airtightness of the pantograph slide plate 5, and no water seeps out from the surface of the pantograph slide plate 5 after high-pressure water is injected into an air passage of the pantograph slide plate 5, the air tightness of the pantograph slide plate 5 is better, otherwise, the air tightness is poorer, once the surface of the pantograph slide plate 5 is infiltrated, the water sensor 7 can detect the existence of water, so that the water leakage controller 8 controls the alarm lamp 9 to be lightened, the subsequent workers can conveniently place the unqualified pantograph slide plate 5 and the qualified pantograph slide plate separately, and the water sensor 7 is electrically connected with the water leakage controller 8 and the alarm lamp 9 which are arranged on the side surface of the battery 3;
referring to fig. 3-4, the upper end and the lower end of the belt conveyor 2 are horizontally and fixedly provided with an electro-hydraulic push rod 11, two parallel detection rods 12 are vertically arranged in front of the front face of the belt conveyor 2, one detection rod 12 is used for injecting high-pressure water into the pantograph slide plate 5 for detection, the other detection rod 12 is used for injecting moisture remained in a hot air slide rod air passage into the pantograph slide plate 5, the upper end and the lower end of each detection rod 12 are fixedly connected with the electro-hydraulic push rod 11, the electro-hydraulic push rod 11 drives the detection rod 12 to move back and forth in front of the front face of the belt conveyor 2, and connection or disconnection with the pantograph slide plate 5 is realized;
referring to fig. 1-2, the front surface of the detection rod 12 is provided with an upper through hole 22 and a lower through hole 22, wherein the upper through hole 22 and the lower through hole 22 of one detection rod 12 are respectively communicated with a water tank 14 mounted on the rack 1 through a water inlet pipe 15 and a water outlet pipe 26, the water inlet pipe 15 and the water outlet pipe 26 are both provided with a high pressure water pump 16, so that the design is convenient for water in the water tank 14 to enter an air passage of the pantograph slide plate 5 through the water inlet pipe 15 and also convenient for water in the air passage to be rapidly discharged from the water outlet pipe 26, one through hole 22 of the other detection rod 12 is communicated with a hot air dryer 13 mounted on the rack 1 through an air inlet pipe 25, the water outlet pipe 26 is also provided with a control valve 17, a water pressure sensor 18 and a flow sensor 19, wherein the water pressure sensor 18 is positioned at one end of the water outlet pipe 26 close to, the water pressure in the air passage cannot be too low, otherwise, water in the air passage cannot be sprayed out from fine cracks on the surface of the pantograph slide plate 5, the flow sensor 19 is mainly used for detecting whether water flows out from the water pipe 26, and the central processing unit 24 is convenient to control the electro-hydraulic push rod 11 to push the detection rod 12 to be separated from the pantograph slide plate 5;
referring to fig. 2, a processing module 23 electrically connected to the water pressure sensor 18 and the flow sensor 19 and a central processing unit 24 electrically connected to the processing module 23 are further installed on the rack 1, a plurality of single-chip microcomputers respectively used for processing data information detected by the water pressure sensor 18 and the flow sensor 19 are built in the processing module 23, the processing module 23 processes the data information and transmits the processed data information to the central processing unit 24, and the central processing unit 24 controls the electro-hydraulic push rod 11, the control valve 17 and the high-pressure water pump 16 to operate according to the data information;
referring to fig. 5-6, an insertion tube 21 hermetically communicated with a through hole 22 is fixedly installed on the back of the detection rod 12, the insertion tube 21 is detachably and hermetically connected with an air passage hole 10 on the pantograph slide plate 5, the insertion tube 21 facilitates the communication between the through hole 22 and an air passage in the pantograph slide plate 5, a pressure switch 20 is arranged on the side surface of the insertion tube 21, after the insertion tube 21 is completely inserted into the air passage hole 10, the pressure switch 20 is squeezed by the pantograph slide plate 5, and the pressure switch 20 is electrically connected with a high-pressure water pump 16 on the water inlet pipe 15.
As an optional embodiment, a plurality of electric suction cups 4 and a control switch 6 for controlling the on/off of the plurality of electric suction cups 4 are fixedly installed on the battery 3; the pantograph slide plate 5 is adsorbed on the battery 3 through the electric sucker 4, so that the pantograph slide plate 5 is convenient to detach and mount from the battery 3.
The section of the water immersion sensor 7 is U-shaped, and the U-shaped design can detect whether water seeps out of the pantograph slide plate 5 in time;
wherein, when the surface of the pantograph slide 5 leaks water, the water sensor 7 can detect a water leakage signal.
The detection rods 12 are distributed on the belt conveyor 2 uniformly, and the detection rods 12 can detect the air tightness of the pantograph slide plates 5 simultaneously, so that the detection efficiency is further improved.
The air inlet pipe 25 is communicated with the through hole 22 at the upper end of the detection rod 12, so that hot air enters the air passage from the air passage hole 10 at the upper end of the air passage and then flows out from the air passage hole 10 at the lower end of the air passage, and residual water in the air passage can be conveniently distributed to the air outlet passage.
Referring to fig. 1 to 6, a method for detecting airtightness of a carbon pantograph slider, which uses the apparatus for detecting airtightness of a carbon pantograph slider according to any one of claims 1 to 5, to perform the following steps:
firstly, vertically and fixedly installing a pantograph slide plate 5 on a conveying belt of a belt conveyor 2, and then starting the belt conveyor 2;
step two: when the pantograph slide plate 5 is conveyed to the position right behind the detection rod 12 by the belt conveyor 2, the electro-hydraulic push rod 11 is controlled to drive the detection rod 12 connected with water to move backwards, so that the insertion tube 21 is inserted into the air passage hole 10, when the pantograph slide plate 5 extrudes the pressure switch 20, the pressure switch 20 controls the high-pressure water pump 16 on the water inlet tube 15 to start to pump water in the water tank 14 into the air passage in the pantograph slide plate 5 through the water inlet tube 15, at the moment, the control valve 17 is in a closed state, so that the air passage of the pantograph slide plate 5 is rapidly filled with high-pressure water, meanwhile, the water pressure sensor 18 monitors the water pressure in the air passage in real time and transmits detection data to the processing module 23, the detection data is transmitted to the central processing unit 24 after being processed by the processing module 23, and if the air tightness of the pantograph slide plate 5 is poor, namely, cracks and gaps exist on. The cracks are sprayed out and fall onto the water sensor 7, the water sensor 7 detects that water overflows, the water sensor 7 transmits a detected signal to the water leakage controller 8, and the water leakage controller 8 controls the alarm lamp 9 to flash and give an alarm according to a water leakage signal;
step three: after the water pressure detected by the water pressure sensor 18 reaches a preset value, the central processing unit 24 controls the control valve 17 to be opened, and simultaneously controls the high-pressure water pump 16 on the water inlet pipe 15 to stop pumping water, and the high-pressure water pump 16 on the water outlet pipe 26 is started to pump the water in the air passage completely, in the process, the flow sensor 19 can detect the flow of the water discharged by the water discharge pipe in real time and transmit the detected data to the processing module 23, and the detected data is transmitted to the central processing unit 24 after being processed by the processing module 23;
step four: when the flow sensor 19 cannot detect water flowing out of the water outlet pipe 26 continuously, the water in the air passage is completely discharged, at the moment, the central processing unit 24 controls the electro-hydraulic push rod 11 to act to push the insertion pipe 21 to be separated from the air passage hole 10, and then the belt conveyor 2 continues to rotate until the next pantograph slide plate 5 to be detected moves to the position right behind the detection rod 12 connected with the water tank 14;
step five: when the detected pantograph slide plate 5 moves to the position right behind a detection rod 12 connected with a hot air dryer 13 along with the belt conveyor 2, the electro-hydraulic push rod 11 controls the detection rod 12 to move backwards so that the insertion tube 21 is inserted into the air passage hole 10, then the hot air dryer 13 is started, and hot air enters the air passage through an air inlet pipe 25 to dry moisture remaining in the air passage;
step six: the pantograph slide plate 5 which is dried is continuously moved to the front and back of the operator along with the belt conveyor 2, and the operator takes down and separately stores the qualified pantograph slide plate 5 and the unqualified pantograph slide plate 5 which are detected according to the state of the alarm lamp 9.
As an optional implementation manner, in the fifth step, when the pantograph slide 5 to be detected moves to the position right behind the detection rod 12 connected with the water tank 14, the pantograph slide 5 which is detected completely also moves to the position right behind the detection rod 12 connected with the hot air dryer 13, so that the belt conveyor 2 is conveniently controlled to rotate and stop.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (7)
1. The utility model provides a pantograph carbon slide gas tightness detection device, includes frame (1) and belt conveyor (2) of fixed mounting in frame (1), its characterized in that: the belt conveyor (2) is longitudinally arranged on the rack (1), a plurality of batteries (3) are vertically and fixedly arranged on a conveyor belt of the belt conveyor (2), each battery (3) is detachably and fixedly provided with a pantograph slide plate (5), the surfaces of the batteries (3) at two sides of the pantograph slide plate (5) are fixedly provided with water sensors (7), and the water sensors (7) are electrically connected with a water leakage controller (8) and an alarm lamp (9) which are arranged on the side surfaces of the batteries (3);
the upper end and the lower end of the belt conveyor (2) are horizontally and fixedly provided with electro-hydraulic push rods (11), two parallel detection rods (12) are vertically arranged in front of the front face of the belt conveyor (2), the upper end and the lower end of each detection rod (12) are fixedly connected with the electro-hydraulic push rods (11), and the electro-hydraulic push rods (11) drive the detection rods (12) to move back and forth in front of the front face of the belt conveyor (2);
the front surface of the detection rod (12) is provided with an upper through hole and a lower through hole (22), the upper through hole and the lower through hole (22) of one detection rod (12) are respectively communicated with a water tank (14) arranged on the rack (1) through a water inlet pipe (15) and a water outlet pipe (26), the water inlet pipe (15) and the water outlet pipe (26) are respectively provided with a high-pressure water pump (16), one through hole (22) on the other detection rod (12) is communicated with a hot air dryer (13) arranged on the rack (1) through an air inlet pipe (25), the water outlet pipe (26) is also provided with a control valve (17), a water pressure sensor (18) and a flow sensor (19), and the water pressure sensor (18) is positioned at one end, close to the through hole (22), of the water;
the frame (1) is also provided with a processing module (23) electrically connected with the water pressure sensor (18) and the flow sensor (19) and a central processing unit (24) electrically connected with the processing module (23), the processing module (23) is internally provided with a plurality of single-chip microcomputers which are respectively used for processing data information detected by the water pressure sensor (18) and the flow sensor (19), the processing module (23) processes the data information and then transmits the processed data information to the central processing unit (24), and the central processing unit (24) controls the action of the electro-hydraulic push rod (11), the control valve (17) and the high-pressure water pump (16) according to the data information;
fixed mounting has intubate (21) with the sealed intercommunication of through-hole (22) on the back of test bar (12), sealing connection can be dismantled in trachea hole (10) on intubate (21) and pantograph slide (5), the side of intubate (21) is provided with pressure switch (20), and back in trachea hole (10) is all inserted in intubate (21), pressure switch (20) are extruded by pantograph slide (5), pressure switch (20) are connected with high-pressure water pump (16) electricity on inlet tube (15).
2. The pantograph carbon slide airtightness detection device according to claim 1, wherein: a plurality of electric suckers (4) and a control switch (6) for controlling the on-off of the plurality of electric suckers (4) are fixedly arranged on the battery (3); the pantograph slide plate (5) is adsorbed on the battery (3) through the electric sucker (4).
3. The pantograph carbon slide airtightness detection device according to claim 1, wherein: the section of the water sensor (7) is U-shaped;
when water leaks from the surface of the pantograph slide plate (5), the water sensor (7) can detect a water leakage signal.
4. The pantograph carbon slide airtightness detection device according to claim 1, wherein: the number of the detection rods (12) is multiple, and the detection rods are uniformly distributed on the belt conveyor (2).
5. The pantograph carbon slide airtightness detection device according to claim 1, wherein: the air inlet pipe (25) is communicated with a through hole (22) at the upper end of the detection rod (12).
6. A method for detecting the air tightness of a carbon pantograph slider, which is characterized in that the following steps are executed by adopting the air tightness detecting device of the carbon pantograph slider as claimed in any one of claims 1 to 5:
firstly, vertically and fixedly installing a pantograph slide plate (5) on a conveying belt of a belt conveyor (2), and then starting the belt conveyor (2);
step two: when the pantograph slide plate (5) is conveyed to the position right behind the detection rod (12) by the belt conveyor (2), the electro-hydraulic push rod (11) is controlled to drive the detection rod (12) connected with water to move backwards, so that the insertion tube (21) is inserted into the air passage hole (10), when the pantograph slide plate (5) extrudes the pressure switch (20), the pressure switch (20) controls the high-pressure water pump (16) on the water inlet pipe (15) to start to pump water in the water tank (14) into the air passage in the pantograph slide plate (5) through the water inlet pipe (15), at the moment, the control valve (17) is in a closed state, so that the air passage of the pantograph slide plate (5) is filled with high-pressure water rapidly, meanwhile, the water pressure sensor (18) monitors the water pressure in the air passage in real time and transmits detection data to the processing module (23), the detection data is transmitted to the central processing unit (24) after being processed by the processing module (23), and if the air tightness of the pantograph slide plate (5) is, when cracks and gaps exist on the surface, high-pressure water in the air passage is sprayed out from the gaps and the cracks and falls onto the water sensor (7), the water sensor (7) detects that water overflows, the water sensor (7) transmits a detected signal to the water leakage controller (8), and the water leakage controller (8) controls an alarm lamp (9) to flash and give an alarm according to a water leakage signal;
step three: after the water pressure detected by the water pressure sensor (18) reaches a preset value, the central processing unit (24) controls the control valve (17) to be opened, and simultaneously controls the high-pressure water pump (16) on the water inlet pipe (15) to stop pumping water, and the high-pressure water pump (16) on the water outlet pipe (26) is started to pump the water in the air passage completely, in the process, the flow sensor (19) can detect the flow of the water discharged by the water discharge pipe in real time and transmit the detection data to the processing module (23), and the detection data is transmitted to the central processing unit (24) after being processed by the processing module (23);
step four: when the flow sensor (19) cannot detect water flowing out of the water outlet pipe (26) continuously, the water in the air passage is completely discharged, at the moment, the central processing unit (24) controls the electro-hydraulic push rod (11) to act to push the insertion pipe (21) to be separated from the air passage hole (10), and then the belt conveyor (2) continues to rotate until the next pantograph slide plate (5) to be detected moves to the position right behind the detection rod (12) connected with the water tank (14);
step five: when the detected pantograph slide plate (5) moves to the position right behind a detection rod (12) connected with a hot air dryer (13) along with the belt conveyor (2), an electro-hydraulic push rod (11) controls the detection rod (12) to move backwards to enable an insertion pipe (21) to be inserted into an air passage hole (10), then the hot air dryer (13) is started, and hot air enters an air passage through an air inlet pipe (25) to dry residual moisture in the air passage;
step six: and the dried pantograph slide plate (5) continuously moves to the front and back of the operator along with the belt conveyor (2), and the operator takes down and separately stores the qualified pantograph slide plate (5) and the unqualified pantograph slide plate (5) which are detected according to the state of the alarm lamp (9).
7. The method for detecting the airtightness of the carbon pantograph slider according to claim 6, wherein: and step five, when the pantograph slide plate (5) to be detected moves to the position right behind the detection rod (12) connected with the water tank (14), the pantograph slide plate (5) which is detected is also moved to the position right behind the detection rod (12) connected with the hot air dryer (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811147562.3A CN109141767B (en) | 2018-09-29 | 2018-09-29 | Air tightness detection device and method for pantograph carbon slide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811147562.3A CN109141767B (en) | 2018-09-29 | 2018-09-29 | Air tightness detection device and method for pantograph carbon slide plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109141767A CN109141767A (en) | 2019-01-04 |
| CN109141767B true CN109141767B (en) | 2020-07-28 |
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| CN206556823U (en) * | 2017-03-18 | 2017-10-13 | 大同新成新材料股份有限公司 | A kind of pantograph carbon slide air-tightness detection device |
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| CN108036903A (en) * | 2017-12-20 | 2018-05-15 | 大同新成新材料股份有限公司 | A kind of carbon slipper air-tightness detection device and its application method |
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