CN116952471A - Air tightness detection assembly and detection method for high-pressure pump body - Google Patents
Air tightness detection assembly and detection method for high-pressure pump body Download PDFInfo
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- CN116952471A CN116952471A CN202311163975.1A CN202311163975A CN116952471A CN 116952471 A CN116952471 A CN 116952471A CN 202311163975 A CN202311163975 A CN 202311163975A CN 116952471 A CN116952471 A CN 116952471A
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- 238000001514 detection method Methods 0.000 title claims abstract description 63
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 238000003780 insertion Methods 0.000 claims abstract description 26
- 230000037431 insertion Effects 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims description 33
- 241000252254 Catostomidae Species 0.000 claims description 20
- 238000000926 separation method Methods 0.000 claims description 10
- 238000001179 sorption measurement Methods 0.000 claims description 9
- 238000011010 flushing procedure Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 16
- 235000017491 Bambusa tulda Nutrition 0.000 claims 16
- 241001330002 Bambuseae Species 0.000 claims 16
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 16
- 239000011425 bamboo Substances 0.000 claims 16
- 230000002146 bilateral effect Effects 0.000 claims 3
- 230000005389 magnetism Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000012795 verification Methods 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 238000003723 Smelting Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910000805 Pig iron Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention belongs to the field of air tightness detection, and particularly relates to an air tightness detection assembly of a high-pressure pump body and a detection method thereof; the device comprises a mounting plate, wherein a connecting column is arranged on one side of the mounting plate, an insertion head is arranged on one side of the connecting column, a sealing gasket is arranged on one side of the mounting plate, which is close to the connecting column, an inflatable sealing assembly is arranged on the insertion head, an equipment fixing assembly is arranged on the mounting plate, and the inflatable sealing assembly comprises an inner groove formed in the insertion head; according to the invention, through further verification of the formula, if S1 is equal to S2, the air tightness of the pump body is good; if S1 is less than S2, the air tightness of the pump body is not good, and meanwhile, the formula is as follows: X/ST obtains rough pump body gas leakage speed to judge the size of gap through gas leakage speed, and the bigger the S numerical value, the more accurate the pump body gas leakage speed, in order to improve the detection precision simultaneously, the more sucking discs that set up in the actual testing process, the higher the accuracy of corresponding detection pump body gas leakage speed, the more accurate the detection.
Description
Technical Field
The invention belongs to the field of air tightness detection, and particularly relates to an air tightness detection assembly of a high-pressure pump body and a detection method thereof.
Background
The pump body is usually required to be subjected to air tightness detection before being processed and delivered, because the situation of oil leakage, water leakage or air leakage in the use process can bring great inconvenience to users without detection, and the realization of the whole working performance can be greatly discounted or even can not be used.
Chinese patent 2020105473666 provides an auxiliary device for detecting air tightness of a pump body, comprising: a base; the feeding mechanism is arranged on the machine base and used for conveying the pump body; the grabbing mechanism is arranged on the feeding mechanism and used for grabbing the pump body; the storage mechanism is arranged below the feeding mechanism and used for storing a pump body, and the control mechanism is electrically connected with the feeding mechanism and the grabbing mechanism and used for controlling the operation of the feeding mechanism and the grabbing mechanism; the pump body air tightness detection auxiliary device is low in detection precision and poor in detection effect.
The invention patent 2022114288269 of China discloses a fluid cover and a gas tightness detection device thereof, which relate to the technical field of fluid covers, in particular to a fluid cover for an oil pump, comprising a fluid cover main body, wherein one end of the fluid cover main body is provided with a liquid inlet end, and the other end of the fluid cover main body is provided with a liquid outlet end, and the method comprises the following operation steps: step one: firstly cleaning scrap steel, pig iron or aluminum ingot, airing or drying, smelting the scrap steel, pig iron or aluminum ingot to be liquid through a smelting device, wherein the smelting device comprises a detection table, a positioning seat is arranged at the upper end of the detection table, a positioning clamping groove is formed at the upper end of the positioning seat, and a supporting seat is welded at the upper end of the detection table; the pump body air tightness detection assembly is high in operation difficulty and poor in operation stability.
When the air tightness detection is carried out on the pump body, the air tightness is reflected by the quantity of the air bubbles, the pump body is rough, the air leakage speed of the pump body is not easy to determine, and the air tightness detection accuracy is low.
And all lack the accurate detection component to the pump body gas tightness in the current device, cause the detection precision low easily, detection efficiency is poor, can't satisfy the user demand of different pump bodies.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the air tightness detection assembly of the high-pressure pump body and the detection method thereof, which effectively solve the problems that the determination of the air leakage speed of the pump body is difficult to carry out at present and the air tightness detection accuracy is low.
In order to achieve the above purpose, the present invention provides the following technical solutions: the air tightness detection assembly of the high-pressure pump body comprises a mounting plate, wherein a connecting column is arranged on one side of the mounting plate, an insertion head is arranged on one side of the connecting column, a sealing gasket is arranged on one side of the mounting plate, which is close to the connecting column, an inflatable sealing assembly is arranged on the insertion head, and an equipment fixing assembly is arranged on the mounting plate;
the inflatable sealing assembly comprises an inner groove formed in the inner part of the insertion head, air inflation holes are uniformly formed in the outer side of the inner groove, the air inflation holes penetrate through the outer side of the insertion head, one end of the inner groove penetrates through the inner part of the connecting column, an inflatable groove is formed in the inner part of the connecting column, one end of the inflatable groove is communicated with the inner groove, an inflatable tube is arranged on one side, far away from the connecting column, of the mounting plate, and the other end of the inflatable groove is communicated with the inflatable tube;
the equipment fixing assembly comprises a sucker, wherein the sucker is arranged at an equal angle on one side of the mounting plate, which is close to the connecting column, and one side of the sucker, which is far away from the mounting plate, is flush with one side of the sealing gasket, which is far away from the mounting plate, and a communication adjusting unit is arranged on one side of the mounting plate, which is far away from the sucker;
the communication adjusting unit comprises fixed pipes which are arranged on one side of the mounting plate, far away from the sucker, of the same angle, the inner sides of the fixed pipes are provided with communication driving units, and separation independent units are arranged between the fixed pipes.
The device is low to the gas tightness detection precision of high-pressure pump body, and detection effect is poor, and detection stability is poor.
Preferably, a sealing plug is movably arranged in the inner groove, a first fixed cylinder is arranged on one side, away from the insertion head, of the mounting plate, a first connecting rod is arranged on one side, close to the first fixed cylinder, of the sealing plug, one end of the first connecting rod penetrates through the inner part of the first fixed cylinder, a first movable plate is arranged at one end of the first connecting rod, the first movable plate is movably arranged in the inner part of the first fixed cylinder, a first spring is arranged on one side, close to the mounting plate, of the first movable plate, and one end of the first spring is fixedly connected with the inner wall of the first fixed cylinder; therefore, the inner groove is blocked by adjusting the position of the sealing plug.
Preferably, a first magnetic block is arranged on one side of the first movable plate far away from the first connecting rod, a first electromagnet is arranged on one end of the first fixed cylinder far away from the mounting plate, the first electromagnet is externally connected with a power supply, the first electromagnet is magnetically connected with the first magnetic block, clamping grooves are symmetrically formed in two sides of the first movable plate, screw cylinders are symmetrically arranged on two sides of the first fixed cylinder, the screw cylinders are communicated with the inside of the first fixed cylinder, clamping screws are connected with the inner threads of the screw cylinders, and the diameters of the clamping screws are identical with those of the clamping grooves; the first electromagnet and the first magnetic block drive the sealing plug to move under the magnetic action of the first electromagnet and the first magnetic block, and the inner groove is blocked.
Preferably, the fixed pipe corresponds to the sucker, a communicating groove is formed in the inner part of the mounting plate at equal angles, one end of the communicating groove is communicated with the sucker, the other end of the communicating groove is communicated with the fixed pipe, a fixed baffle is arranged in one end of the fixed pipe far away from the mounting plate, a first through groove is symmetrically formed in the fixed baffle, a movable baffle is arranged on one side of the fixed baffle far away from the mounting plate, the diameter of the movable baffle is the same as that of the fixed baffle, a second through groove is symmetrically formed in the movable baffle, the shape of the second through groove and the shape of the first through groove are both fan-shaped, a limiting rotating block is arranged on one side of the fixed baffle close to the movable baffle, the limiting rotating block is rotatably arranged in the limiting rotating groove, and the movable baffle is clung to the fixed baffle; the air pressure in the sucker is adjusted by the aid of the fixed pipe.
Preferably, a fixed rod is arranged on one side of the movable baffle, far away from the fixed baffle, an end groove is formed in one end of the fixed rod, a rotating rod is rotatably arranged in the end groove, rotating shafts are symmetrically arranged on two sides of one end of the rotating rod, which are positioned on the end groove, two rotating shafts are rotatably connected with two sides of the end groove, a torsion spring is arranged between the end groove and the fixed rod, two groups of limiting blocks are symmetrically arranged on one side, close to the fixed rod, of the fixed pipe, and the fixed rod is positioned between the two limiting blocks; the fixed rod rotates to adjust the position of the movable baffle.
Preferably, the communication driving unit comprises a limit ring groove arranged on one side of the mounting plate far away from the insertion head, a limit rotating ring is rotatably arranged in the limit ring groove, a rotating ring is arranged on one side of the limit rotating ring, the rotating ring is positioned on one side of the mounting plate far away from the insertion head, the rotating ring is positioned on the inner side of each fixed pipe, tooth grooves are formed in the inner wall of the rotating ring at equal angles, gears are engaged and connected on the tooth grooves, a motor mounting groove is formed in the mounting plate, a motor body is fixedly arranged in the motor mounting groove, and the gears are fixedly connected with an output shaft of the motor body; the communication driving unit drives the rotating ring.
Preferably, a first connecting rod is arranged on one side of the rotating ring away from the mounting plate, a second connecting rod is arranged at one end of the first connecting rod, a poking rod is arranged at one end of the second connecting rod, and the poking rod is contacted with one side of one rotating rod; the toggle rod rotates to adjust the position of the movable baffle.
Preferably, the separation independent unit comprises annular pipes, the annular pipes penetrate through the fixed pipes, the annular pipes are communicated with the fixed pipes, a connecting pipe is arranged at one side of each annular pipe, a negative pressure pump is arranged at one end of each connecting pipe, and a valve is arranged on each connecting pipe; the separation independent unit realizes the separation function of each sucker.
Preferably, the annular tube is provided with middle cylinders at equal angles, the number of the middle cylinders is the same as that of the fixed tubes, the middle cylinders and the fixed tubes are arranged in a staggered manner, each middle cylinder is positioned between two adjacent fixed tubes, the middle cylinders are communicated with the annular tube, one end of each middle cylinder is provided with a second fixed cylinder, the inside of each middle cylinder is movably provided with a blocking plug, the outer wall of each blocking plug is tightly attached to the inner wall of each middle cylinder, the blocking plug is positioned on one side of the annular tube away from the mounting plate, one side of each blocking plug away from the mounting plate is provided with a second connecting rod, one end of each second connecting rod penetrates into the second fixed cylinder, one end of each second connecting rod is provided with a second movable plate, one side of each second movable plate, which is close to the middle cylinder, is provided with a second spring, one end of each second spring is fixedly connected with the inner wall of each blocking plug, and one end of each second fixed cylinder, which is away from the middle cylinder, is provided with a second electromagnet, and each second electromagnet is magnetically connected with each second magnetic block; the process effectively realizes the adjustment of the internal air pressure of the sucker.
The method for detecting the air tightness of the high-pressure pump body utilizes the air tightness detection assembly of the high-pressure pump body to detect the air tightness of the pump body, and comprises the following operation steps:
step one, closing each port of a pump body, leaving one port to open, inserting an insertion head into the pump body from the port, opening a valve, and starting a negative pressure pump to enable a sucker to be adsorbed and fixed with a flange at the port, completing equipment installation, and recording total negative pressure X generated by the negative pressure pump;
step two, inflating the inside of the pump body to generate high pressure, closing the inflation sealing assembly, and recording the high pressure Y in the pump body at the moment, wherein Y is smaller than X;
step three, closing the separation independent units to enable all the suckers to be independent of each other, wherein the number of the suckers is S, and the negative pressure in each sucker is X/S;
step four, after a period of time, setting the time as T, starting a communication driving unit to enable all the suckers to be separated from the flange for adsorption, reducing total negative pressure, flushing the equipment when the total negative pressure is smaller than the air pressure in the pump body, and recording the number of the opened suckers as S1;
fifthly, reinstalling the equipment, enabling the total negative pressure and the internal air pressure of the pump body to be the same as the first time, setting the time to be 2T, starting the communication driving unit after another period of time, enabling all the suckers to be separated from the flange for adsorption, enabling the total negative pressure to be reduced, and when the total negative pressure is smaller than the internal air pressure of the pump body, observing that after S2 suckers are opened, flushing the equipment;
step six, recording the number of the two times of suction cup opening, and judging the air tightness of the pump body according to the number of the two times of suction cup opening; if S1 is equal to S2, the air tightness of the pump body is good; if S1 is less than S2, the air tightness of the pump body is not good, and meanwhile, the formula is as follows: (S2-S1) X/ST to obtain rough pump body air leakage speed, and judging the size of the gap through the air leakage speed.
By further limiting the use method, the detection precision and the detection efficiency are improved.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, each port of the pump body is sealed and one port is reserved for air tightness detection, so that negative pressure adsorption and fixation between each sucker and the pump body are realized, equipment installation is convenient, excessive auxiliary fixing equipment and detection equipment are not needed, the air tightness detection of the pump body is more convenient, and the air tightness detection convenience of the pump body is improved.
(2) According to the invention, after the stopper moves, each fixed pipe is separated, so that each sucker is independent, if the number of the first sucker is the same as the number of the second sucker, the air tightness of the pump body is good, if the number of the first sucker is smaller than the number of the second sucker, the air tightness of the pump body is poor, the air tightness of the pump body is convenient to detect, meanwhile, the air leakage speed of the pump body can be detected through a formula, the size of a gap is convenient to judge, the air tightness detection effect of the pump body is improved, and the more the number of the suckers is, the more the air leakage speed is accurate, and the air tightness detection accuracy is improved.
(3) According to the invention, the movable baffle is rotationally connected with the fixed baffle, so that the fixed pipe is conveniently opened, the negative pressure in the sucker disappears, the total negative pressure is conveniently reduced in a step shape, and the air tightness of the pump body is conveniently detected.
(4) When the rotating ring rotates, the toggle rod rotates along with the rotating ring, so that each fixed pipe can be opened successively, the total negative pressure can be reduced in a step shape, and the air tightness of the pump body can be detected conveniently.
(5) According to the invention, through further verification of the formula, if S1 is equal to S2, the air tightness of the pump body is good; if S1 is less than S2, the air tightness of the pump body is not good, and meanwhile, the formula is as follows: X/ST obtains rough pump body gas leakage speed to judge the size of gap through gas leakage speed, and the bigger the S numerical value, the more accurate the pump body gas leakage speed, in order to improve the detection precision simultaneously, the more sucking discs that set up in the actual testing process, the higher the accuracy of corresponding detection pump body gas leakage speed, the more accurate the detection.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic diagram of an air tightness detection assembly of a high-pressure pump body of the present invention;
FIG. 2 is a schematic view of a mounting plate according to the present invention;
FIG. 3 is a schematic view of the inflatable enclosure assembly of the present invention;
FIG. 4 is an enlarged schematic view of FIG. 3 at A;
FIG. 5 is a schematic diagram of the structure of a partitioned independent unit of the present invention;
FIG. 6 is an enlarged schematic view of FIG. 5 at B;
FIG. 7 is a schematic diagram of a communication adjusting unit according to the present invention;
FIG. 8 is a schematic view of a flapper according to the present invention;
fig. 9 is a schematic view of the middle barrel structure of the present invention.
In the figure: 1. a mounting plate; 2. a connecting column; 3. an insertion head; 4. a sealing gasket; 5. an inflatable closure assembly; 501. an inner tank; 502. an air filling hole; 503. an air charging tank; 504. an inflation tube; 505. closing the plug; 506. a first fixed cylinder; 507. a first movable plate; 508. a first connecting rod; 509. a first spring; 510. a first magnetic block; 511. a first electromagnet; 512. a clamping groove; 513. a screw cylinder; 514. clamping a screw; 6. a device securing assembly; 601. a suction cup; 602. a communication groove; 603. a communication adjusting unit; 6031. a fixed tube; 6032. a fixed baffle; 6033. a first through groove; 6034. a movable baffle; 6035. a second through slot; 6036. limiting rotating blocks; 6037. limiting rotating grooves; 6038. a fixed rod; 6039. a limiting block; 60310. an end groove; 60311. a rotating lever; 60312. a rotating shaft; 60313. a torsion spring; 604. a communication driving unit; 6041. a limit ring groove; 6042. a limiting swivel; 6043. a rotating ring; 6044. tooth slots; 6045. a motor mounting groove; 6046. a motor body; 6047. a gear; 6048. a first link; 6049. a second link; 60410. a toggle rod; 605. separating the individual units; 6051. an annular tube; 6052. a connecting pipe; 6053. a valve; 6054. a middle barrel; 6055. a stopper; 6056. a second fixed cylinder; 6057. a second connecting rod; 6058. a second movable plate; 6059. a second magnetic block; 60510. a second electromagnet; 60511. and a second spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is given by fig. 1-9, the invention includes mounting panel 1, connecting column 2 is installed to one side of mounting panel 1, insert head 3 is installed to one side of connecting column 2, sealing gasket 4 is installed to one side of mounting panel 1 near connecting column 2, insert head 3 is last to install and aerify seal assembly 5, install equipment fixing assembly 6 on mounting panel 1, connecting column 2 mainly plays the connecting action, insert head 3 inserts the inside gas tightness detection of pump body, sealing gasket 4's setting improves sealing performance, aerify seal assembly 5 realizes the gas filling action to the inside of high-pressure pump body, equipment fixing assembly 6 fixes mounting panel 1 and carries out the gas tightness detection.
The inflatable sealing assembly 5 comprises an inner groove 501 arranged in the insertion head 3, an inflatable hole 502 is uniformly arranged on the outer side of the inner groove 501, the inflatable hole 502 penetrates to the outer side of the insertion head 3, one end of the inner groove 501 penetrates to the inner part of the connecting column 2, an inflatable groove 503 is arranged in the connecting column 2, the inflatable groove 503 is L-shaped, one end of the inflatable groove 503 is communicated with the inner groove 501, the other end of the inflatable groove 503 is communicated with an inflatable pipe 504, the inflatable pipe 504 is arranged on one side of the mounting plate 1 far away from the connecting column 2, a sealing plug 505 is movably arranged in the inner groove 501, a first fixed cylinder 506 is arranged on one side of the mounting plate 1 far away from the insertion head 3, a first connecting rod 508 is arranged on one side of the sealing plug 505 near the first fixed cylinder 506, one end of the first connecting rod 508 penetrates to the inner part of the first fixed cylinder 506, a first movable plate 507 is arranged on one end of the first connecting rod 508, the first movable plate 507 is movably arranged in the first fixed cylinder 506, a first spring 509 is arranged on one side, close to the mounting plate 1, of the first movable plate 507, one end of the first spring 509 is fixedly connected with the inner wall of the first fixed cylinder 506, a first magnetic block 510 is arranged on one side, far away from the first connecting rod 508, of the first movable plate 507, a first electromagnet 511 is arranged on one side, far away from the mounting plate 1, of the first fixed cylinder 506, a power supply is externally connected with the first electromagnet 511, the first electromagnet 511 is magnetically connected with the first magnetic block 510, clamping grooves 512 are symmetrically arranged on two sides of the first movable plate 507, screw cylinders 513 are symmetrically arranged on two sides of the first fixed cylinder 506, the screw cylinders 513 are communicated with the inner parts of the first fixed cylinder 506, clamping screws 514 are in threaded connection with the inner threads of the screw cylinders 513, the diameters of the clamping screws 514 are identical to the diameters of the clamping grooves 512, and the clamping screws 514 are in plug-in limit with the clamping grooves 512.
The equipment fixing assembly 6 comprises a sucker 601 which is arranged on one side of the mounting plate 1, close to the connecting column 2, at equal angles, the sucker 601 is fixedly adsorbed by the pump body, one side of the sucker 601, far from the mounting plate 1, is flush with one side of the sealing gasket 4, far from the mounting plate 1, one side of the mounting plate 1, far from the sucker 601, is provided with a communication adjusting unit 603, the communication adjusting unit 603 comprises a fixed pipe 6031 which is arranged on one side of the mounting plate 1, far from the sucker 601, at equal angles, the fixed pipe 6031 corresponds to the sucker 601, a communication groove 602 is arranged in the interior of the mounting plate 1, one end of the communication groove 602 is communicated with the sucker 601, the other end of the communication groove 602 is communicated with the fixed pipe 6031, one end of the fixed pipe 6031, far from the mounting plate 1, is internally provided with a fixed baffle 6032, a first communication groove 6033 is symmetrically arranged on the fixed baffle 6032, one side of the fixed baffle 6032, far from the mounting plate 1, is provided with a movable baffle 6034, the diameter of which is identical to that of the fixed baffle 6032, the movable baffle 6034 is symmetrically provided with a second through groove 6035, the shape of the second through groove 6035 and the shape of the first through groove 6033 are respectively provided with a fan shape, one side of the fixed baffle 6032, which is close to the movable baffle 6034, is provided with a limiting rotating block 6036, the limiting rotating block 6037 is arranged on one side of the movable baffle 6034, which is close to the fixed baffle 6032, the limiting rotating block 6036 is rotatably arranged in the limiting rotating groove 6037, the movable baffle 6034 is tightly attached to the fixed baffle 6032, one side of the movable baffle 6034, which is far away from the fixed baffle 6032, is provided with a fixed rod 6038, one end of the fixed rod 6038 is provided with an end groove 60310, the inside of the end groove 60310 is rotatably provided with a rotating rod 60311, two sides of the rotating rod 3835, which is positioned at one end of the end groove 60310, are symmetrically provided with rotating shafts 60312, two rotating shafts 60310 are rotatably connected with two sides of the end groove 6038, torsion springs 60313 are arranged between the end groove 60310 and the fixed rod 6038, two limiting blocks 6039 are symmetrically arranged on one side, close to the fixing rod 6038, of the fixing tube 6031, and the fixing rod 6038 is located between the two limiting blocks 6039.
The inboard of each fixed pipe 6031 is equipped with intercommunication drive unit 604, install between each fixed pipe 6031 and separate independent unit 605, movable shield 6034 and fixed shield 6032 rotate to be connected, when fixed shield 6032 is in the original state with movable shield 6034, first through groove 6033 is in crisscross state with second through groove 6035, make the one end that fixed pipe 6031 kept away from mounting panel 1 pass through movable shield 6034 and fixed shield 6032 seal, after movable shield 6034 rotates, second through groove 6035 on movable shield 6034 is linked together with first through groove 6033 on the fixed shield 6032, thereby conveniently open fixed pipe 6031, make inside negative pressure of sucking disc 601 disappear, conveniently be the echelonment with total negative pressure and reduce, conveniently detect the pump body gas tightness.
The communication driving unit 604 comprises a limit ring groove 6041 which is arranged on one side of the mounting plate 1 far away from the insertion head 3, a limit swivel 6042 is rotatably arranged in the limit ring groove 6041, a swivel ring 6043 is arranged on one side of the limit swivel ring 6042, the swivel ring 6043 is positioned on one side of the mounting plate 1 far away from the insertion head 3, the swivel ring 6043 is positioned on the inner side of each fixed pipe 6031, tooth grooves 6044 are formed in the inner wall of the swivel ring 6043 at equal angles, a gear 6047 is connected on the tooth grooves 6044 in a meshed manner, the gear 6047 is fixedly connected with an output shaft of the motor body 6046, the motor body 6046 is fixedly arranged in a motor mounting groove 6045, the motor mounting groove 6045 is arranged on the mounting plate 1, a first connecting rod 6048 is arranged on one side of the swivel ring 6043 far away from the mounting plate 1, a second connecting rod 6049 is arranged at one end of the first connecting rod 6048, a toggle rod 60410 is arranged at one end of the second connecting rod 6049, when the toggle rod 60410 contacts one side of one of the rotating rods 60311, the rotating ring 6043 rotates, so that the toggle rod 60410 rotates along with the rotating ring 6043 and generates thrust to the rotating rod 60311, the rotating rod 60311 is pushed to rotate, the elasticity of the torsion spring 60313 is increased, when the elasticity of the torsion spring 60313 is increased to a certain value, the fixed rod 6038 rotates to drive the movable baffle 6034 to rotate, the fixed tube 6031 is communicated with the outside, when the fixed rod 6038 contacts with the other limiting block 6039, the fixed rod 6038 stops rotating, at the moment, the rotating rod 60311 continues to rotate until the rotating rod 60311 is separated from the toggle rod 60410, and then the toggle rod 60410 generates thrust to the rotating rod 60311 on the next fixed tube 6031, so that each fixed tube 6031 is conveniently opened successively, the total negative pressure is conveniently reduced in a step shape, and the air tightness of the pump body is conveniently detected.
The separation independent unit 605 comprises annular pipes 6051, the annular pipes 6051 penetrate through the fixed pipes 6031, the annular pipes 6051 are communicated with the fixed pipes 6031, a connecting pipe 6052 is installed on one side of each annular pipe 6051, a negative pressure pump is installed at one end of each connecting pipe 6052, valves 6053 are installed on the connecting pipes 6052, middle cylinders 6054 are installed on the annular pipes 6051 at equal angles, the number of the middle cylinders 6054 is the same as that of the fixed pipes 6031, the middle cylinders 6054 are arranged with the fixed pipes 6031 in a staggered mode, each middle cylinder 6054 is located between two adjacent fixed pipes 6031, the middle cylinder 6054 is communicated with the annular pipe 6051, a second fixed cylinder 6056 is installed at one end of each middle cylinder 6054, a blocking plug 6055 is movably installed inside the middle cylinder 6055, the outer wall of each blocking plug 6055 is closely attached to the inner wall of the middle cylinder 6054, the blocking plug 6055 is located on one side of the annular pipe 6051 away from a mounting plate 1, a second connecting rod 6057 is installed on one side of each blocking plug 6055, one end of each second connecting rod 6057 penetrates through the inner side of the second fixed cylinder 6056, the second connecting rod 6056 is installed on one side of the second movable plug 6055, the second movable plug 6058 is installed on the second magnetic plate 6056, the second movable plug 6058 is movably connected with the second magnetic plate 6056, the second movable plug 6056 is movably connected with the second magnetic plate 6059, and the second movable plug 6058 is movably connected with the second magnetic plate 6056, and the second movable plug 6056 is movably connected with the second magnetic plate 6056.
The pump body is characterized in that each port of the pump body is sealed, one port is reserved for air tightness detection, the insertion head 3 is inserted into the pump body through the port, the sealing gasket 4 is tightly attached to the flange surface at the port, the valve 6053 is opened, the negative pressure pump is opened, negative pressure adsorption fixing is carried out between each sucker 601 and the pump body, equipment installation is facilitated, excessive auxiliary fixing equipment and detection equipment are not needed, the air tightness detection of the pump body is more convenient, the air tightness detection convenience of the pump body is improved, each fixing pipe 6031 is separated after the stopper 6055 moves, each sucker 601 is independent, each sucker 601 is opened successively after a period of time, the negative pressure adsorption force of the sucker is eliminated, the total negative pressure is continuously reduced until the equipment is washed off, the sucker 601 is opened again after another period of time, each sucker 601 is continuously opened, the total negative pressure is continuously reduced until the equipment is washed off, the number of the sucker 601 is recorded and opened, if the number of the sucker 601 is opened the same as the number of the second time, the air tightness detection is good, the air tightness is conveniently improved through the formula, the air tightness is conveniently detected, the pump body is detected, and the air tightness is conveniently.
When the high-pressure pump body air tightness detection is carried out, firstly, a port of the high-pressure pump body is plugged, only one port is left for detection use, then an insertion head 3 is inserted into the pump body through the port, so that a sealing gasket 4 is tightly attached to the flange surface at the port, a sucker 601 is attached to the flange surface at the port of the pump body, then a valve 6053 is opened, so that an annular pipe 6051 is communicated with a negative pressure pump, the negative pressure pump is started, the annular pipe 6051 is communicated with each fixed pipe 6031, the fixed pipes 6031 are communicated with the sucker 601 through a communication groove 602, at the moment, a second communication groove 6035 on a movable baffle 6034 is in a staggered state with a first communication groove 6033 on a fixed baffle 6032, the fixed pipes 6031 are not communicated with the outside, the negative pressure pump is started, the suckers 601 generate negative pressure, the suckers 601 are adsorbed with the flange surface, after a certain negative pressure is generated, the valve 6053 is closed, the negative pressure pump is closed, the total negative pressure X generated by the negative pressure pump is recorded, the pump is communicated with the pump body, at the moment, the inside is communicated with the outside through the air charging groove 503 only, and at the same time, the equipment is fixed with the pump body under the action of the negative pressure.
And then one end of the inflator pump is connected with the inflator pipe 504, the inflator pump is started, air is continuously filled into the pump body through the inflator pipe 504, the inflator tank 503, the inner tank 501 and the inflator holes 502, so that high pressure is generated in the pump body, after the high pressure is formed in the pump body, the inflator pump is closed, the first electromagnet 511 is controlled to be electrified to generate repulsive force on the first magnetic block 510, the sealing block 505 is pushed to move towards the insertion head 3 until the sealing block 505 seals one end of the inflator tank 503, the inside of the pump body is completely isolated from the outside, the high pressure Y in the pump body at the moment is recorded, and the Y is smaller than X.
Each second electromagnet 60510 is electrified to generate repulsive force on the second magnetic block 6059, so that the blocking plug 6055 is pushed to move towards the annular tube 6051, the blocking plug 6055 is used for blocking the interior of the annular tube 6051, each sucker 601 is independent, the number of the suckers 601 is S, and negative pressure in each sucker 601 is X/S.
After a period of time, set as T, open motor body 6046, make gear 6047 rotate, and gear 6047 meshes with tooth socket 6044, thereby drive rotation ring 6043 rotation, then make toggle link 60410 rotate along with rotation ring 6043, because rotation ring 6043 contacts with one of them dwang 60311 one side, thereby when rotation ring 6043 removes, promote dwang 60311 and rotate around pivot 60312, and make torsional spring 60313 compress, when torsional spring 60313' S elasticity increases to certain value, dwang 60311 no longer rotates, at this moment under the thrust effect, fixed lever 6038 drives movable baffle 6034 rotation, until fixed lever 6038 contacts with stopper 6039 of opposite side, make fixed lever 6038 rotate extreme position, at this moment under the thrust continue the effect, dwang 60311 is promoted again with pivot 60312 as the center rotation, until dwang 60311 breaks away from with toggle link 60410, at this moment toggle link 60410 rotates towards adjacent a fixed pipe 6031, and this dwang 60311 is positive under the elasticity effect of torsional spring 60313, after the elasticity of torsional spring 60313 increases to a certain value, make one of the second through-channel 6035 and the second through-channel make the second through hole and the suction cup 6035 and the suction cup is made to be the suction cup is opened to the suction cup is made to the suction cup is opened to the suction cup is opened to the negative when the suction cup is opened, the suction cup is opened and the suction cup is opened to the whole is opened to the suction cup is opened to the suction device is opened to the suction cup is opened to the suction cup is opened.
Then, the motor body 6046 is charged with reverse current to enable the toggle rod 60410 to move reversely, so that the movable baffle 6034 is pulled back from the other side, the second through groove 6035 is staggered with the first through groove 6033, meanwhile, the second electromagnet 60510 is powered off, the blocking plug 6055 moves back under the elastic force of the second spring 60511, the annular tube 6051 is communicated with each fixed tube 6031, the sealing plug 505 moves back, at the moment, the operation is repeated, the equipment is fixed, the total negative pressure generated by the negative pressure pump is X, air is filled into the pump body again, and the air pressure in the pump body is Y;
after a further period of time, set to 2T, the second waiting time is twice the first waiting time, and then turn on the motor body 6046 so that each of the fixed tubes 6031 is opened, observe that after opening S2 suction cups 601, the apparatus is flushed away, and draw the following conclusion:
if S1 is equal to S2, the air tightness of the pump body is good;
if S1 is less than S2, the air tightness of the pump body is not good, and meanwhile, the formula is as follows: X/ST obtains rough pump body gas leakage speed to judge the size of gap through gas leakage speed, and the bigger the S numerical value, the more accurate the pump body gas leakage speed, in order to improve the detection precision simultaneously, the more sucking discs 601 that set up in the actual testing process, the higher the corresponding detection pump body gas leakage speed precision, the more accurate the detection.
The method for detecting the air tightness of the high-pressure pump body utilizes an air tightness detection assembly of the high-pressure pump body to detect the air tightness of the pump body, and comprises the following operation steps:
step one, closing each port of a pump body, leaving one port open, inserting an insertion head 3 from the port into the pump body, opening a valve 6053, and starting a negative pressure pump to enable a sucker 601 to be adsorbed and fixed with a flange at the port, completing equipment installation, and recording total negative pressure X generated by the negative pressure pump;
step two, inflating the inside of the pump body to generate high pressure, closing the inflation sealing assembly 5, recording the high pressure Y in the pump body at the moment, and enabling Y to be smaller than X;
step three, closing the separation independent units 605 to enable the suckers 601 to be independent of each other, and setting the number of the suckers 601 as S and the negative pressure in each sucker 601 as X/S;
step four, after a period of time, setting the time as T, starting a communication driving unit 604 to enable each sucker 601 to be separated from a flange for adsorption, reducing total negative pressure, flushing the equipment when the total negative pressure is smaller than the air pressure in the pump body, and recording the number of opened suckers 601 as S1;
fifthly, reinstalling the equipment, enabling the total negative pressure and the internal air pressure of the pump body to be the same as the first time, setting the time to be 2T, starting the communication driving unit 604 after another period of time, enabling each sucker 601 to be separated from the flange for adsorption, enabling the total negative pressure to be reduced, and observing that after S2 suckers are opened when the total negative pressure is smaller than the internal air pressure of the pump body, the equipment is flushed;
step six, recording the number of the two times of opening of the suction disc 601, and judging the air tightness of the pump body according to the number of the two times of opening of the suction disc 601; if S1 is equal to S2, the air tightness of the pump body is good; if S1 is less than S2, the air tightness of the pump body is not good, and meanwhile, the formula is as follows: (S2-S1) X/ST to obtain rough pump body air leakage speed, and judging the size of the gap through the air leakage speed.
It will be apparent to those skilled in the art that although several embodiments and examples of the present invention have been described, these embodiments and examples are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other modes, and various omissions, substitutions, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and their equivalents.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The utility model provides a high pressure pump body's gas tightness detection subassembly, includes mounting panel, its characterized in that: a connecting column is arranged on one side of the mounting plate, an insertion head is arranged on one side of the connecting column, a sealing gasket is arranged on one side of the mounting plate close to the connecting column, an inflatable sealing assembly is arranged on the insertion head, and an equipment fixing assembly is arranged on the mounting plate;
the inflatable sealing assembly comprises an inner groove formed in the inner part of the insertion head, air inflation holes are uniformly formed in the outer side of the inner groove, the air inflation holes penetrate through the outer side of the insertion head, one end of the inner groove penetrates through the inner part of the connecting column, an inflatable groove is formed in the inner part of the connecting column, one end of the inflatable groove is communicated with the inner groove, an inflatable tube is arranged on one side, far away from the connecting column, of the mounting plate, and the other end of the inflatable groove is communicated with the inflatable tube;
the equipment fixing assembly comprises a sucker, wherein the sucker is arranged at an equal angle on one side of the mounting plate, which is close to the connecting column, and one side of the sucker, which is far away from the mounting plate, is flush with one side of the sealing gasket, which is far away from the mounting plate, and a communication adjusting unit is arranged on one side of the mounting plate, which is far away from the sucker;
the communication adjusting unit comprises fixed pipes which are arranged on one side of the mounting plate, far away from the sucker, of the same angle, the inner sides of the fixed pipes are provided with communication driving units, and separation independent units are arranged between the fixed pipes.
2. The assembly of claim 1, wherein: the inside movable mounting of inside groove has the shutoff to be blocked, and the mounting panel is kept away from one side of inserting the head and is installed a fixed section of thick bamboo, and the head rod is installed to one side that the shutoff is close to a fixed section of thick bamboo, and the one end of head rod runs through to the inside of a fixed section of thick bamboo, and first fly leaf is installed to the one end of head rod, and first fly leaf movable mounting is in the inside of a fixed section of thick bamboo, and first spring is installed to one side that the first fly leaf is close to the mounting panel, the one end and the inner wall fixed connection of a fixed section of thick bamboo of first spring.
3. The assembly of claim 2, wherein: the utility model discloses a clamping device for a motor vehicle, including a connecting rod, a fixed mounting plate, a first movable plate, a first magnet is installed to one side that the connecting rod was kept away from to the first movable plate, first electro-magnet is installed to one end that the mounting plate was kept away from to the first movable plate, first electro-magnet external power supply, first electro-magnet is connected with first magnet magnetism, the draw-in groove has been seted up to the bilateral symmetry of first movable plate, a screw barrel is installed to the bilateral symmetry of a fixed mounting plate, the screw barrel is linked together with the inside of a fixed mounting plate, the inside threaded connection of screw barrel has the joint screw rod, the diameter of joint screw rod is the same with the diameter of draw-in groove.
4. The assembly of claim 1, wherein: the fixed pipe corresponds to the sucker, a communication groove is formed in the inner part of the mounting plate at equal angles, one end of the communication groove is communicated with the sucker, the other end of the communication groove is communicated with the fixed pipe, a fixed baffle is arranged in one end of the fixed pipe far away from the mounting plate, a first communication groove is symmetrically formed on the fixed baffle, a movable baffle is arranged on one side of the fixed baffle far away from the mounting plate, the diameter of the movable baffle is the same as that of the fixed baffle, the movable baffle is symmetrically provided with a second through groove, the shape of the second through groove and the shape of the first through groove are fan-shaped, a limiting rotating block is arranged on one side of the fixed baffle, which is close to the movable baffle, the limiting rotating groove is arranged on one side of the movable baffle, which is close to the fixed baffle, the limiting rotating block is rotatably arranged in the limiting rotating groove, and the movable baffle is tightly attached to the fixed baffle.
5. The assembly of claim 4, wherein: the movable baffle is kept away from one side of fixed baffle and is installed the dead lever, and the tip groove has been seted up to the one end of dead lever, and the dwang is installed in the inside rotation of tip groove, and the pivot is installed to the bilateral symmetry that the dwang is located tip groove one end, and two pivots are connected with the both sides rotation of tip groove, installs the torsional spring between tip groove and the dead lever, and the dead lever is located between two stoppers to one side symmetry that the dead lever is close to the dead lever.
6. The assembly of claim 5, wherein: the communication drive unit is including seting up in the mounting panel and keeping away from the spacing annular of inserting first one side, and spacing swivel is installed in the inside rotation of spacing annular, and the swivel is installed to one side of spacing swivel, and the swivel is located the mounting panel and keeps away from one side of inserting first, and the swivel is located the inboard of each fixed pipe, and the tooth's socket has been seted up to the equiangular on the inner wall of swivel, and the meshing is connected with the gear on the tooth's socket, and the motor mounting groove is seted up on the mounting panel, and motor body fixed mounting is inside the motor mounting groove, and the output shaft fixed connection of gear and motor body.
7. The assembly of claim 6, wherein: the first connecting rod is installed to one side that the swivel becket kept away from the mounting panel, and the second connecting rod is installed to the one end of first connecting rod, and the poking rod is installed to the one end of second connecting rod, and poking rod and one side contact of one of them swivelling levers.
8. The assembly of claim 1, wherein: the separation independent unit comprises annular pipes, the annular pipes penetrate through the fixed pipes, the annular pipes are communicated with the fixed pipes, connecting pipes are arranged on one sides of the annular pipes, negative pressure pumps are arranged at one ends of the connecting pipes, and valves are arranged on the connecting pipes.
9. The assembly of claim 8, wherein: the utility model discloses a fixed tube, including the fixed tube, the fixed tube is fixed in the fixed tube, the equiangular mounting has the middle section of thick bamboo on the annular tube, the number of middle section of thick bamboo is the same with the number of fixed tube, middle section of thick bamboo is crisscross with fixed tube setting, every middle section of thick bamboo all is located between two adjacent fixed tubes, middle section of thick bamboo is linked together with the annular tube, the second fixed section of thick bamboo is installed to one end of middle section of thick bamboo, the inside movable mounting of middle section of thick bamboo keeps off the stopper, the outer wall that keeps off the stopper is hugged closely with the inner wall of middle section of thick bamboo, keep off the stopper and be located the annular tube and keep away from one side of mounting panel, keep off the stopper and install the second connecting rod from one side of mounting panel, the one end of second connecting rod runs through to the inside of second fixed section of thick bamboo, the second movable plate is installed to one end of second connecting rod, second movable plate movable mounting is in the inside of second fixed section of thick bamboo, the second movable plate is close to one side of second movable plate, the second spring is installed to one end of second spring and the inner wall fixed connection of keeping off the stopper, install second magnetic block.
10. A method for detecting the air tightness of a high-pressure pump body by using the air tightness detection assembly of the high-pressure pump body as claimed in claim 9, which is characterized by comprising the following operation steps:
step one, closing each port of a pump body, leaving one port to open, inserting an insertion head into the pump body from the port, opening a valve, and starting a negative pressure pump to enable a sucker to be adsorbed and fixed with a flange at the port, completing equipment installation, and recording total negative pressure X generated by the negative pressure pump;
step two, inflating the inside of the pump body to generate high pressure, closing the inflation sealing assembly, and recording the high pressure Y in the pump body at the moment, wherein Y is smaller than X;
step three, closing the separation independent units to enable all the suckers to be independent of each other, wherein the number of the suckers is S, and the negative pressure in each sucker is X/S;
step four, after a period of time, setting the time as T, starting a communication driving unit to enable all the suckers to be separated from the flange for adsorption, reducing total negative pressure, flushing the equipment when the total negative pressure is smaller than the air pressure in the pump body, and recording the number of the opened suckers as S1;
fifthly, reinstalling the equipment, enabling the total negative pressure and the internal air pressure of the pump body to be the same as the first time, setting the time to be 2T, starting the communication driving unit after another period of time, enabling all the suckers to be separated from the flange for adsorption, enabling the total negative pressure to be reduced, and when the total negative pressure is smaller than the internal air pressure of the pump body, observing that after S2 suckers are opened, flushing the equipment;
step six, recording the number of the two times of suction cup opening, and judging the air tightness of the pump body according to the number of the two times of suction cup opening; if S1 is equal to S2, the air tightness of the pump body is good; if S1 is less than S2, the air tightness of the pump body is not good, and meanwhile, the formula is as follows: (S2-S1) X/ST to obtain rough pump body air leakage speed, and judging the size of the gap through the air leakage speed.
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Cited By (1)
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