CN109916572A - A kind of water-cooled motor shell detection device convenient for observation - Google Patents
A kind of water-cooled motor shell detection device convenient for observation Download PDFInfo
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- CN109916572A CN109916572A CN201910334096.8A CN201910334096A CN109916572A CN 109916572 A CN109916572 A CN 109916572A CN 201910334096 A CN201910334096 A CN 201910334096A CN 109916572 A CN109916572 A CN 109916572A
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Abstract
The invention discloses a kind of water-cooled motor shell detection devices convenient for observation, including detection framework and control cabinet, the detection framework bottom is equipped with the first gasket, fixed device is equipped at the top of the detection framework, wall is equipped with water-supply-pipe in the detection block body, and the water-supply-pipe is equipped with multiple water jets；First gasket is equipped with baroceptor, and the baroceptor is connected by a conducting wire with the control cabinet；It is equipped with reservoir in the control cabinet, is equipped with agitating device in the reservoir, the water-supply-pipe is come round with the reservoir, and the water-supply-pipe water inlet is equipped with closed component；Reservoir is provided with bubble-water, bubble-water is the aqueous solution of soap, soap is mixed preferably with water by agitating device, promote the effect of bubble-water, convenient for being detected by observing bubble-water to the air-tightness of electric machine casing, it avoids observing the tiny open-work on electric machine casing, promotes the safety of electric machine casing.
Description
Technical field
The invention belongs to the leak test plant technical fields of obturator, more particularly, to a kind of water cooling electricity convenient for observation
Casing physical examination measurement equipment.
Background technique
Water-cooled machine is universal to be present in the market, by the way that cavity is arranged on motor housing, is then passed through again
The mode of water circulation, the heat generated to motor inside carry out heat exchange processing, and good cooling effect can effectively ensure electricity
The overall stability of machine during the work time, improves the service life of motor；Because being powered inside motor, therefore water-cooled machine is in life
The process of production is unable to leak, therefore during producing motor, needs to hunt leak to the shell of motor, to ensure motor
The safety used.
When detecting to water-cooled motor shell, inconvenient directly observation electric machine casing surface carries out the air-tightness of motor
Observation, some small open-works can not be found, and influence the safety that water-cooled machine uses.
Summary of the invention
The present invention for overcome the deficiencies in the prior art, provides a kind of water-cooled motor shell detection device convenient for observation.
To achieve the goals above, the invention adopts the following technical scheme: a kind of water cooling motor housing physical examination convenient for observation
Measurement equipment, including detection framework and control cabinet, the detection framework bottom are equipped with the first gasket, set at the top of the detection framework
There is fixed device, wall is equipped with water-supply-pipe in the detection block body, and the water-supply-pipe is equipped with multiple water jets；Described first is close
Packing is equipped with baroceptor, and the baroceptor is connected by a conducting wire with the control cabinet；It is set in the control cabinet
There is reservoir, is equipped with agitating device in the reservoir, the water-supply-pipe is come round with the reservoir, the water-supply-pipe water inlet
Equipped with closed component；Reservoir is provided with bubble-water, and bubble-water is the aqueous solution of soap, makes soap and water more by agitating device
Good mix, and promotes the effect of bubble-water, convenient for being detected by observing bubble-water to the air-tightness of electric machine casing, keeps away
Exempt to observe the tiny open-work on electric machine casing, promotes the safety of electric machine casing.
Preferably, the agitating device includes the agitating shaft being set in the reservoir, on the agitating shaft
Paddle and stirring motor set on the shaft bottom；The soap solution of high concentration and clear water are added in reservoir,
Soap solution and clear water are stirred by agitating device, so that soap solution and clear water is carried out the good bubble-water of mixed configuration, just
It is observed in electric machine casing surface.
Preferably, being equipped with the first link block at the top of the reservoir, first link block bottom is equipped with the second connection
Block, second link block are equipped with disk, and the disk is obliquely installed；By the mutual cooperation of disk and agitating shaft, promoted
The mixing effect of agitating device, forms bubble-water quickly, convenient for observing electric machine casing surface.
Preferably, the agitating shaft is equipped with third movable chamber, motion bar is equipped in the third movable chamber, it is described to stir
It mixes leaf to be fixed on the motion bar, bending part is equipped at the top of the motion bar, the bending part bottom is equipped with ball, the circle
Disk is equipped with the groove matched with the ball；Third movable chamber bottom is equipped with adjustable spring；By on motion bar
Ball is matched with the groove on disk, moves up and down paddle, and paddle does lifting fortune during laterally stirring
It is dynamic, the mixing effect of paddle is promoted, mixes aqueous soup solution quickly with clear water, to provide bubble-water on motor housing
It is observed convenient for the air-tightness to electric machine casing.
Preferably, the agitating shaft be equipped with mounting disc, the mounting disc bottom surface be equipped with bristle, the bristle with it is described
Reservoir bottom of pond is in contact；Scrub by bristle to reservoir bottom of pond plays cleaning action to reservoir bottom of pond, avoids water storage
Pond bottom of pond accumulates soap solid, convenient for the cleaning of reservoir.
Preferably, the closed component includes the cylinder below the reservoir and the piston set on the cylinder
The first sealing block on bar；When cleaning to reservoir, the first sealing block closes water-supply-pipe, and water for cleaning is avoided to enter
Into water-supply-pipe, convenient for being cleaned to reservoir.
Preferably, the fixed device includes lower platen, the lower platen is equipped with pressure relief device, the detection framework
Bottom is equipped with appendix, and the appendix is arranged in first gasket, and sealing is equipped at the gas outlet of the appendix
Device；Electric machine casing carries out air-leakage test in detection block body, appendix gas transmission into sealing cavity, by pressure relief device,
The excessive power limit beyond electric machine casing of the air pressure in sealing cavity is avoided, control is played to the air pressure in sealing cavity and is made
With, it shields to tested motor shell, increase device security；Pass through sealing device and the intracorporal sealing cavity of motor casing
It matches, fixes appendix to gas transmission is carried out in sealing cavity by stable, lifting means imitates the detection of electric machine casing
Fruit.
Preferably, the pressure relief device includes the mounting rod being set in first air hole, is set to the mounting rod
The connecting spring of bottom and the sprue for being fixed on the connecting spring bottom, the sprue are set in second air hole；The
The setting of two air hole sidewall slopes, the second air hole base diameter is less than the second air hole top diameter, and mounting rod and second is thoroughly
The original that the distance of stomata bottom is less than connecting spring is long, and connecting spring, which is in, when sprue is in contact with the second air hole inner wall shrinks
State；It is acted on by the elastic force of connecting spring, sprue is pressed on the second air hole inner wall, increase the second air hole and sprue
Fiting effect, make the environment that sealing is kept in sealing cavity, convenient for detecting to electric machine casing.
The invention has the following advantages that reservoir is provided with bubble-water, bubble-water is the aqueous solution of soap, is filled by stirring
Setting mixes soap preferably with water, promotes the effect of bubble-water, convenient for the gas by observation bubble-water to electric machine casing
Close property is detected, and is avoided observing the tiny open-work on electric machine casing, is promoted the safety of electric machine casing.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is enlarged drawing at the A in Fig. 1.
Fig. 3 is enlarged drawing at the B in Fig. 1.
Fig. 4 is enlarged drawing at the C in Fig. 1.
Fig. 5 is enlarged drawing at the D in Fig. 1.
Specific embodiment
In order to make those skilled in the art better understand the present invention program, below in conjunction in the embodiment of the present invention
Attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
As shown in Figs. 1-5, a kind of water-cooled motor shell detection device convenient for observation, including detection framework 1 and control cabinet
3, electric machine casing 2 is placed in detection block body and is detected, 1 bottom of detection framework be equipped with the first gasket 16, first
Gasket is made of elastic material, can be rubber material；Fixed device, the detection framework 1 are equipped at the top of the detection framework 1
Inner wall is equipped with water-supply-pipe 17, and the water-supply-pipe 17 is equipped with multiple water jets 171；Water jet tilts upward setting, water jet
The liquid of interior ejection is bubble-water, and above-mentioned bubble-water can be the aqueous solution of soap；Water jet, which up sprays liquid, makes liquid and electricity
Machine case top is in contact, and electric machine casing bottom is fallen on down under the effect of gravity from electric machine casing top, to electric machine casing appearance
Covering effect is done in face, when electric machine casing leaks air phenomenon, generates bubble on the liquid on electric machine casing surface, convenient for motor
The air-tightness of surface of shell is observed；First gasket 16 is equipped with baroceptor 18, the baroceptor 18
It is connected by a conducting wire 181 with the control cabinet 3；The fixed device includes lower platen 15, and the lower platen 15 is equipped with and lets out
Pressure device, 1 bottom of detection framework are equipped with appendix 19, and the appendix 19 is arranged in first gasket 16, institute
It states and is equipped with sealing device at the gas outlet of appendix 19；Sealing cavity 21 on electric machine casing is directed at appendix to place,
It is embedded into appendix in sealing cavity, forms appendix and sealed chamber by sealing device and cooperate, in sealed chamber
Air inlet is carried out, electric machine casing is fixed device and is fixed in detection block body, by lower platen and the first gasket to sealed chamber
It seals with inside electric machine casing, detection is played to electric machine casing by the effect of baroceptor and bubble-water；It is logical
It crosses pressure relief device and overload protective function is done to sealed chamber, open pressure relief device after the indoor pressure of seal chamber reaches preset value
It opens, reduces the pressure inside sealed chamber, avoid the indoor pressure of seal chamber is excessive from damaging to electric machine casing, promote detection
The reliability of equipment.
The fixed device further includes being fixed on the threaded rod 12 of 15 top surface of lower platen and set on the detection framework 1
Interior nut seat 13, threaded rod top are equipped with limit plate 121, and the nut seat 13 is rotatably set in the detection framework 1,
The threaded rod 12 is arranged in the nut seat 13；Threaded rod two sides are equipped with mounting plate 110, and mounting plate is equipped with the second sliding block
1101, threaded rod is equipped with the second sliding slot 122 matched with the second sliding block, by the second sliding block and second sliding slot to threaded rod
Position-limiting action is played, threaded rod is avoided to rotate together with nut seat；Driving motor 14, the drive are equipped at the top of the detection framework
Dynamic 14 output shaft of motor is arranged in the detection framework 1, is arranged with driving wheel 141, institute on 14 output shaft of driving motor
It states driving wheel 141 and the nut seat 13 transmission cooperates；Driving wheel be equipped with the first driving cog, nut seat lateral wall be equipped with
The second driving cog that first driving cog matches.
Sealed chamber alignment appendix on electric machine casing is placed, appendix is inserted into sealed chamber, drives
Dynamic motor driven driving wheel rotation, drive nut seat to be rotated, and threaded rod with nut seat by being threadedly engaged, along second
Sliding slot moves down, so that lower platen is dropped to and is in contact at the top of electric machine casing, plays fixed function to electric machine casing, while to electricity
Machine enclosure interior and sealed chamber seal, and preferably play detection to electric machine casing.
The lower platen 15 is equipped with the first air hole 156, and 15 bottom of lower platen is equipped with the second gasket 151, the
Two gaskets are made of elastic material, can be made of rubber material；Second gasket 151 is equipped with the second air hole
1511, first air hole 156 is opposite with 1511 position of the second air hole, the first venthole and the second venthole phase
It is logical, it is in contact by the second gasket with electric machine casing, cooperates the first gasket, increase the sealing effect to electric machine casing, just
It is detected in leakproofness of the variation by bubble and pressure to electric machine casing；The setting of second air hole sidewall slope, second
Air hole base diameter is less than the second air hole top diameter, the tapered structure of the second air hole.
The pressure relief device includes the mounting rod 154 being set in first air hole 156, is set to the mounting rod 154
The connecting spring 1541 of bottom and the sprue 155 for being fixed on 1541 bottom of connecting spring, the sprue 155 are set to described the
In two air holes 1511；Sprue is made of elastic material, can be made of rubber material；Sprue and the second air hole bottom sidewall phase
Contact；First air hole, 156 inner wall is equipped with limited block 153, and it is ventilative that the limited block 153 is movably connected on described first
On 156 inner wall of hole；Limited block is L-shaped structure, and the L-shaped structure turning point of limited block is articulated on the first air hole inner wall；Installation
It being in contact at the top of bar with limited block, mounting rod bottom both ends are arc-shaped structure, it is easily installed bar and limited block is pushed up to move,
It avoids mounting rod from colliding with limited block bottom surface, influences sprue and open the second venthole；The diameter of second venthole is greater than stifled
Block diameter, sprue are spherical structure；Mounting rod is long less than the original of connecting spring at a distance from the second air hole bottom, sprue and the
Connecting spring is in contraction state when two air hole inner walls are in contact；First air hole, 156 inner wall is equipped with the first activity
Chamber 152, first movable chamber 152 is interior to be equipped with limit spring 1521, described 1521 one end of limit spring and the limited block 153
Be fixedly connected with, the elastic force of limit spring is greater than connecting spring elastic force, is tensed limited block by limit spring, make limited block bottom with
First air hole inner wall is in contact, and plays limited support to mounting rod, and sprue is pressed on the second air hole side wall；Pass through
The elastic force of connecting spring acts on, and sprue is pressed on the second air hole inner wall, and the cooperation for increasing the second air hole and sprue is imitated
Fruit makes the environment that sealing is kept in sealing cavity, convenient for detecting to electric machine casing.
When carrying out air-leakage test to electric machine casing, lasting carries out gas transmission, the gas in sealing cavity in sealing cavity
Pressure holding is continuous to be risen, and when the air pressure in sealing cavity is greater than preset value, air pressure pushes sprue up to move, at connecting spring
It in contraction state, pushes directly on mounting rod and up moves, make mounting rod that limited block be pushed up to turn down, limited block up turns down drawing
Dynamic limit spring, makes sprue disengage with the second venthole inner wall, other in sealing cavity enter out of second air hole
Into the first air hole, flows into atmosphere from the first air hole, to antihypertensive effect is played in sealing cavity, avoid in sealing cavity
Pressure excessive electric machine casing is damaged；When the air pressure in sealing cavity drops below preset value, limited block is being limited
It being turned down down under the action of the spring of position, makes limited block that mounting rod be pushed to move down, sprue is blocked in again on the second air hole,
It seals to sealing cavity.
The sealing device includes the second movable chamber 191 being set in 19 side wall of appendix, is set to second work
Packing spring 1911 in dynamic chamber 191 is fixed on second sealing block 192 of described 1911 one end of Packing spring and is set to described the
The guide pad 193 at two sealing blocks, 192 top；Second sealing block is made of elastic material, can be rubber material；Guide pad is fixed on
On second sealing block, guide pad top surface is bevel structure；Sealing device is two groups, is respectively arranged on appendix two sides；The guiding
193 bottom of block is equipped with the first sliding block 1931, and 19 side wall of appendix is equipped with the matched with first sliding block 1931
One sliding slot 1921.
Sealing cavity alignment appendix on electric machine casing to be placed, sealing cavity side wall compresses guide pad down,
Longitudinal pressure of the electric machine casing to guide pad is converted into the transverse movement power of guide pad by guide pad under the action of its inclined-plane,
Make guide pad laterally the second sealing block be driven to do transverse movement, be retracted into the second sealing block in the second loose slot, is convenient for gas transmission
Tube top portion enters in sealing cavity, and the second sealing block matches under the action of Packing spring with sealing cavity inner wall, to defeated
Tracheae plays fixed function, is fixed on appendix in sealing cavity to gas transmission is carried out in sealing cavity, convenient for electric machine casing
It is detected.
It is equipped with air pump 31 in the control cabinet 3, the appendix 19 is connected with the air pump 31；It is set above the air pump 31
There is reservoir 32, the water-supply-pipe 17 is connected with the reservoir 32；Water-supply-pipe is equipped with water pump 171, passes through the effect of water pump
Convenient for the liquid in reservoir is sprayed onto electric machine casing by water-supply-pipe；Reservoir side is equipped with water inlet 321, water inlet
It is equipped with the first valve 322, water outlet 323 is equipped with below water inlet, water outlet is equipped with the second valve 324, and reservoir is built-in
There is bubble-water, air pump is to be passed through gas in sealing cavity, is detected convenient for the air-tightness to electric machine casing；Reservoir is water delivery
Pipe provides water source, by way of the spray water flow toward electric machine casing on convenient for observe electric machine casing surface whether gas leakage, promotion sets
The standby reliability to electric machine casing detection.
Agitating device is equipped in the reservoir 32, the water inlet of the water-supply-pipe 17 is equipped with closed component；Pass through stirring
Device mixes soap preferably with water, promotes the effect of bubble-water, convenient for by observing bubble-water to electric machine casing
Air-tightness is detected, and is avoided observing the tiny open-work on electric machine casing, is promoted the safety of electric machine casing；Pass through closed group
Part closes water-supply-pipe when cleaning to reservoir inside, and water for cleaning is avoided to enter in water-supply-pipe to water delivery inside pipe wall
It results in blockage, the reliability of lifting means.
The agitating device includes the agitating shaft 36 in the reservoir 32, the stirring on the agitating shaft 36
Leaf 38 and stirring motor 361 set on 36 bottom of agitating shaft；The soap solution of high concentration and clear water are mixed to join storage
In pond, drives paddle to be rotated by stirring motor, soap solution and clear water are stirred, after having configured bubble-water
It is input at water jet on spray to sidewall of motor housing by water-supply-pipe, convenient for observing sidewall of motor housing, is promoted
The reliability of detection device.
The first link block 372 is equipped at the top of the reservoir 32,372 bottom of the first link block is equipped with the second link block
371, second link block 371 is equipped with disk 37, and the disk 37 is obliquely installed；The agitating shaft 36 is living equipped with third
Dynamic chamber 363, the third movable chamber 363 is interior to be equipped with motion bar 381, and the paddle 38 is fixed on the motion bar 381, institute
It states and is equipped with bending part at the top of motion bar 381, bending part and motion bar cooperatively form inverted l shape, and bending part bottom third connects
Block 3811 is connect, third link block is equipped with ball 3812, and the disk 37 is equipped with the groove matched with the ball 3812
373；Groove is obliquely installed with disk, and 363 bottom of third movable chamber is equipped with adjustable spring 3631, and adjustable spring bottom is solid
It is connected in third movable chamber bottom.
When stirring motor driving agitating shaft is rotated, agitating shaft drives paddle rotation, the ball edge on motion bar
The grooves of disc surfaces rolled, due to being obliquely installed for groove, drive motion bar to exist when rotating ball in groove
It is moved up and down in third movable chamber, paddle is made to do longitudinal movement during laterally stirring；By adjustable spring to work
Lever plays position-limiting action, makes the completion elevating movement that paddle is coherent, promotes paddle to the mixing effect of bubble aqueous solution,
Form bubble-water quickly.
The agitating shaft 36 is equipped with mounting disc 362, and 362 bottom surface of mounting disc is equipped with bristle 3621, the bristle
3621 are in contact with 32 bottom of pond of reservoir；Agitating shaft drives mounting disc to rotate together in rotation, installs the brush of pan bottom
Hair constantly brushes the deposit of bottom of pond bottom, and deposit is avoided to be attached to columns base, convenient for carrying out to reservoir inside
Cleaning.
The closed component includes the piston rod set on the cylinder 35 of 32 lower section of reservoir and set on the cylinder 35
On the first sealing block 351；First sealing block is made of elastic material, can be rubber layer material, increase by the first sealing block to defeated
The sealing effect of water pipe；When cleaning to reservoir inside, cylinder pushes the first sealing block to move forward, makes the first sealing
Block and water delivery inside pipe wall, which are formed, to be cooperated, and is sealed to water-supply-pipe, then clear water is passed through in reservoir, by bristle to storage
Basin bottom is scrubbed, and is effectively removed the sediment of columns base, prevents columns base sediment pile
Cause the inconvenience of cleaning.
It is equipped with display panel 33 above the reservoir 32, is equipped with control button 34 below the display panel 33；Display
The pressure change inside electric machine casing can be checked on panel, to measure electric machine casing with the presence or absence of leakage phenomenon；Control button
Circuit arrangement in equipment is controlled, lifting means the degree of automation, simplifies operation.
When being detected to electric machine casing, electric machine casing alignment gas transmission nozzle is encased in detection block body, each sealing is made
Cavity is directed at an appendix outlet, and baroceptor is placed in inside electric machine casing, and driving motor driving lower platen is transported down
It is dynamic, it moves the second gasket down and cooperates with the first gasket, will be sealed inside sealing cavity and electric machine casing,
Second air hole is set to above sealing cavity；Water jet makes electric machine casing surface be coated with bubble toward being sprayed on electric machine casing
Soaked, appendix gas transmission in sealing cavity increases the pressure in sealing cavity and is transferred to display surface by pressure sensor
The pressure index of plate judges whether to have occurred with the presence or absence of gas leak phenomenon by the bubble-water of motor housing inside electric machine casing
Steeping phenomenon, whether gas leakage judges to motor housing, detects convenient for the leakproofness to electric machine casing.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of water-cooled motor shell detection device convenient for observation, including detection framework (1) and control cabinet (3), the detection
Framework (1) bottom is equipped with the first gasket (16), and fixed device, the detection framework (1) are equipped at the top of the detection framework (1)
Inner wall is equipped with water-supply-pipe (17), and the water-supply-pipe (17) is equipped with multiple water jets (171)；On first gasket (16)
Equipped with baroceptor (18), the baroceptor (18) is connected by a conducting wire (181) with the control cabinet (3)；It is special
Sign is: being equipped with reservoir (32) in the control cabinet (3), agitating device, the water-supply-pipe are equipped in the reservoir (32)
(17) come round with the reservoir (32), the water inlet of the water-supply-pipe (17) is equipped with closed component.
2. a kind of water-cooled motor shell detection device convenient for observation described in accordance with the claim 1, it is characterised in that: described to stir
Mix device include agitating shaft (36) in the reservoir (32), the paddle (38) being set on the agitating shaft (36) and
Stirring motor (361) set on the agitating shaft (36) bottom.
3. a kind of water-cooled motor shell detection device convenient for observation according to claim 2, it is characterised in that: the storage
The first link block (372) are equipped at the top of pond (32), the first link block (372) bottom is equipped with the second link block (371), institute
The second link block (371) are stated equipped with disk (37), the disk (37) is obliquely installed.
4. a kind of water-cooled motor shell detection device convenient for observation described in accordance with the claim 3, it is characterised in that: described to stir
Axis (36) are mixed equipped with third movable chamber (363), the third movable chamber (363) is interior to be equipped with motion bar (381), the paddle
(38) it is fixed on the motion bar (381), bending part is equipped at the top of the motion bar (381), the bending part bottom is equipped with
Ball (3812), the disk (37) are equipped with the groove (373) matched with the ball (3812)；The third movable chamber
(363) bottom is equipped with adjustable spring (3631).
5. a kind of water-cooled motor shell detection device convenient for observation according to claim 4, it is characterised in that: described to stir
Axis (36) are mixed equipped with mounting disc (362), mounting disc (362) bottom surface is equipped with bristle (3621), the bristle (3621) with
Reservoir (32) bottom of pond is in contact.
6. a kind of water-cooled motor shell detection device convenient for observation described in accordance with the claim 1, it is characterised in that: the envelope
Closing component includes the cylinder (35) below the reservoir (32) and first on the piston rod of the cylinder (35)
Sealing block (351).
7. a kind of water-cooled motor shell detection device convenient for observation according to claim 5, it is characterised in that: described solid
Determining device includes lower platen (15), and the lower platen (15) is equipped with pressure relief device, and the detection framework (1) bottom is equipped with gas transmission
It manages (19), the appendix (19) is arranged in first gasket (16), is equipped at the gas outlet of the appendix (19)
Sealing device.
8. a kind of water-cooled motor shell detection device convenient for observation according to claim 7, it is characterised in that: described to let out
Pressure device includes the mounting rod (154) in first air hole (156), the company set on the mounting rod (154) bottom
It connects spring (1541) and is fixed on the sprue (155) of the connecting spring (1541) bottom, the sprue (155) is set to described the
In two air holes (1511).
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| CN201910334096.8A CN109916572B (en) | 2019-04-24 | 2019-04-24 | Water-cooling motor casing check out test set convenient to observe |
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| CN201910334096.8A CN109916572B (en) | 2019-04-24 | 2019-04-24 | Water-cooling motor casing check out test set convenient to observe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161750A (en) * | 2020-09-30 | 2021-01-01 | 重庆鸽牌电瓷有限公司 | Positive pressure checking method for sealing performance of vacuum pugging machine |
| CN113790854A (en) * | 2021-08-09 | 2021-12-14 | 常熟理工学院 | Pressure-resistant electronic product sealing detection system |
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