CN109450152A - A kind of jetting machine using water-cooled machine - Google Patents
A kind of jetting machine using water-cooled machine Download PDFInfo
- Publication number
- CN109450152A CN109450152A CN201910013954.9A CN201910013954A CN109450152A CN 109450152 A CN109450152 A CN 109450152A CN 201910013954 A CN201910013954 A CN 201910013954A CN 109450152 A CN109450152 A CN 109450152A
- Authority
- CN
- China
- Prior art keywords
- water
- counter sink
- casing
- hole
- cover plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 238000007789 sealing Methods 0.000 claims description 36
- 230000003014 reinforcing effect Effects 0.000 claims description 27
- 239000004033 plastic Substances 0.000 claims description 11
- 229920003023 plastic Polymers 0.000 claims description 11
- 239000004519 grease Substances 0.000 claims description 10
- 229920001296 polysiloxane Polymers 0.000 claims description 8
- 239000004568 cement Substances 0.000 claims description 7
- 230000003447 ipsilateral effect Effects 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000498 cooling water Substances 0.000 description 15
- 238000001816 cooling Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 5
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000002199 base oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
Abstract
The invention discloses a kind of jetting machines using water-cooled machine, its key points of the technical solution are that: including high-pressure pump, motor, the first water inlet is provided on high-pressure pump, first water outlet, motor includes casing, drive end bearing bracket, rear end cap, several water-supply lines are offered on casing, several sewers are offered on casing, front cover water-flowing trough there are two being opened up on drive end bearing bracket, there are two front shrouds for setting on drive end bearing bracket, water-flowing trough is offered on rear end cap, lower water-flowing trough, the upper cover plate for closing upper water-flowing trough is provided on rear end cap, the second water inlet is provided on upper cover plate, the lower cover plate for closing lower water-flowing trough is provided on rear end cap, the second water outlet is provided on lower cover plate, connecting tube is provided between second water outlet and the first water inlet.When the jetting machine work of this application water-cooled machine, the good heat dissipation effect of motor is conducive to extend the service life of motor, accelerates the working efficiency of complete machine.
Description
Technical field
The present invention relates to jetting machine technical field, in particular to a kind of jetting machine using water-cooled machine.
Background technique
Jetting machine is a kind of cleaning means, its cardinal principle is to drive high-pressure plunger pump to draw water by motor
It works, then delivers water into the ejection of jet pipe enterprising horizontal high voltage, high flow rate by high-pressure plunger pump, the water of high speed ejection can be to it
His equipment is rinsed operation, Cleaning principle are as follows: the impact force of water is greater than the surface adhesion force between dirt and object, then high
Pressure water can remove dirt, wash away.
Existing publication No. is that the Chinese patent of CN102179379A discloses a kind of jetting machine, including motor, high pressure
Pump, high-pressure pump includes crankshaft and crankcase, and crankshaft one end is mounted in crankcase, and the other end stretches out crankcase and the electricity with motor
Arbor is connected, and connecting rod is provided on crankshaft, and connecting rod is provided with plunger away from one end of crankshaft.When the jetting machine works, electricity
Machine drives crankshaft rotation by motor shaft, and crankshaft drives plunger to move reciprocatingly by connecting rod, so that it is past to generate cylinder body volume
Multiple variation, and realize that discontinuously low pressure water inlet, high pressure are discharged by check valve.
Although the jetting machine can carry out high pressure washing operation to other equipment, which is being used
In the process, motor can generate a large amount of heat, such as without effectively radiating, it will seriously affect motor service life and
The working efficiency of complete machine.
Summary of the invention
(1) technical problems to be solved
In view of the deficiencies of the prior art, the present invention intends to provide a kind of jetting machine using water-cooled machine,
When the jetting machine work of this application water-cooled machine, the good heat dissipation effect of motor is conducive to extend the service life of motor, adds
The working efficiency of fast complete machine.
(2) technical solution
Above-mentioned technical purpose of the invention has the technical scheme that a kind of clear using the high pressure of water-cooled machine
Washing machine, including high-pressure pump, motor are provided with the first water inlet, the first water outlet on the high-pressure pump, and the motor includes machine
Shell, be arranged in casing close to high-pressure pump one end drive end bearing bracket, rear end cap of the casing far from high-pressure pump one end, the casing are set
Top offer several water-supply lines, the lower part of the casing offers several sewers, offers on the drive end bearing bracket
Two front cover water-flowing troughs, the front cover water-flowing trough are used to for ipsilateral water-supply line and water passage being arranged on the drive end bearing bracket
There are two front shroud, the front shroud is offered on the rear end cap for closing front cover water-flowing trough for going up water for several
Road is connected to the upper water-flowing trough to get up, the lower water-flowing trough for several water passages to get up, and is provided on the rear end cap
For closing the upper cover plate of upper water-flowing trough, the second water inlet for being connected to upper water-flowing trough, institute are provided on the upper cover plate
The lower cover plate being provided on rear end cap for closing lower water-flowing trough is stated, is provided on the lower cover plate for being connected to lower water-flowing trough
The second water outlet, be provided with connecting tube between second water outlet and the first water inlet
Through the above technical solutions, cooling water is after the second water inlet when the jetting machine work of this application water-cooled machine
It enters in water-flowing trough, then flows successively through two water-supply lines, front cover water-flowing trough, two sewers, lower water-flowing trough, second goes out
The mouth of a river, then the cooling water of the second water outlet is evacuated in the pump housing by high-pressure pump by connecting tube, and then high pressure sprays.By second
The cooling circuit time that water inlet, upper water-flowing trough, water-supply line, front cover water-flowing trough, sewer, lower water-flowing trough, the second water outlet form
Cloth drive end bearing bracket, casing, rear end cap, the interior cooling water to circulate of cooling circuit can take away the heat generated in the motor course of work,
The good heat dissipation effect of motor is conducive to extend the service life of motor, accelerates the working efficiency of complete machine.
Preferably, there are two front cover mounting groove, two front covers towards opening up on the end face of front shroud for the drive end bearing bracket
Mounting groove is embedded in the front cover mounting groove in being respectively enclosed in two front cover water-flowing troughs for cooperatively forming with front shroud
The front cover sealing ring of sealing, the rear end cap is towards offering the first mounting groove, first mounting groove on the end face of upper cover plate
In upper water-flowing trough is enclosed in, the first sealing for cooperatively forming sealing with upper cover plate is embedded in first mounting groove
Circle, for the rear end cap towards the second mounting groove is offered on the end face of lower cover plate, second mounting groove surrounds lower water-flowing trough
Inside, the second sealing ring for cooperatively forming sealing with lower cover plate is embedded in second mounting groove.
Through the above technical solutions, by setting front cover sealing ring, so that cooling water is not easy from drive end bearing bracket and front shroud
Seam crossing leaks out.By the way that the first sealing ring is arranged, so that cooling water is not easy to leak out from the seam crossing of rear end cap and upper cover plate.Pass through
Second sealing ring is set, so that cooling water is not easy to leak out from the seam crossing of rear end cap and lower cover plate.
Preferably, there are four the first threaded hole, four first spiral shells towards opening up on the end face of drive end bearing bracket for the casing
Pit is in distributed rectangular, opens up that there are four the first through hole for being aligned with the first threaded hole on the drive end bearing bracket, described in two
It is opened up on front shroud there are two the first counter sink for being aligned with first through hole, is led to across first counter sink, first
Hole is provided with the first sunk screw for being threadedly coupled with the first threaded hole, and the casing is towards opening up on the end face of rear end cap
There are four the second threaded hole, four second threaded holes are in distributed rectangular, open up that there are four for the on the rear end cap
Second through-hole of two threaded holes alignment, opens up that there are two upper counter sink, two upper counter sinks and upsides on the upper cover plate
Two the second through-holes alignment, the upper counter sink, the second through-hole are provided with the second sunk screw, the second countersunk head spiral shell
Nail be threadedly coupled with the second threaded hole, opened up on the lower cover plate there are two lower counter sink, two lower counter sinks and downside
Two the second through-holes alignment, the lower counter sink, the second through-hole are provided with third sunk screw, the third countersunk head spiral shell
Nail is threadedly coupled with the second threaded hole.
Through the above technical solutions, worker is first by drive end bearing bracket, front shroud when drive end bearing bracket and front shroud are installed on casing
It is sequentially placed in the side of casing, and makes the first threaded hole, first through hole and the alignment of the first counter sink, then screw on four
Drive end bearing bracket and front shroud can be installed on casing by the first sunk screw, using the above structure, so that drive end bearing bracket and front shroud
It can synchronize and be installed on casing, it is easy for installation.When rear end cap, upper cover plate and lower cover plate are installed on casing, worker first will after
End cap, upper cover plate are sequentially placed in the side of casing, and make the second threaded hole, the second through-hole, the alignment of upper counter sink, are then twisted
Rear end cap and upper cover plate can be installed on casing by upper two the second sunk screws, and lower cover plate is then placed in rear end cap back
It disembarks the side of shell, and makes the second threaded hole, the second through-hole, the alignment of lower counter sink, then screw on two third sunk screws
Rear end cap and lower cover plate can be installed on casing, using the above structure, so that rear end cap, upper cover plate can be synchronous with lower cover plate
It is installed on casing, it is easy for installation.
Preferably, there are two front cover threaded holes towards symmetrically opening up on the end face of front shroud for the drive end bearing bracket, described in two
Front cover counter sink is offered on front shroud, the front cover counter sink and two the first counter sink lines form isoceles triangle
Shape is equipped with the front cover sunk screw for being threadedly coupled with front cover threaded hole in the front cover counter sink.
Through the above technical solutions, when drive end bearing bracket and front shroud are tentatively fixed on casing, front cover counter sink and front cover spiral shell
Pit alignment, is subsequently screwed on front cover sunk screw to complete the reinforcement to front shroud, due to front cover counter sink and two the
One counter sink line forms isosceles triangle, then front cover sunk screw and two the first sunk screw lines form isoceles triangle
The case where shape, the then front shroud being fixed on drive end bearing bracket is less prone to unbalance stress, be conducive to enhance drive end bearing bracket and front shroud it
Between leakproofness.
Preferably, the rear end cap is opened up on the end face of casing there are two upper screwed hole and two lower threaded holes, institute
It states and is opened up on upper cover plate there are two the first reinforcing counter sink, two described first are reinforced counter sinks and two upper screwed holes pair
Together, counter sink and two upper counter sink lines formation isosceles trapezoids are reinforced for two described first, described first reinforces countersunk head
It is equipped with first for being threadedly coupled with upper screwed hole in hole and reinforces sunk screw, opens up that there are two second on the lower cover plate
Counter sink is reinforced, two the second reinforcing counter sinks are aligned with two lower threaded holes, and two described second are reinforced countersunk head
Hole forms isosceles trapezoids with two lower counter sink lines, be equipped in the second reinforcing counter sink for lower threaded hole
Second be threadedly coupled reinforces sunk screw.
Through the above technical solutions, first reinforces counter sink and upper screw thread when rear end cap and upper cover plate are fixed on casing
Hole alignment, is subsequently screwed on the first reinforcing sunk screw to complete the reinforcement to upper cover plate, due to two first reinforcing countersunk heads
Hole forms isosceles trapezoid with two upper counter sink lines, then two first reinforcing sunk screws and two the second sunk screw lines
Form isosceles trapezoid, the case where upper cover plate being fixed on rear end cap is less prone to unbalance stress, be conducive to increase rear end cap with
Leakproofness between upper cover plate.In when being fixed on casing, second reinforces counter sink and lower threaded hole for rear end cap and lower cover plate
Alignment, is subsequently screwed on the second reinforcing sunk screw to complete the reinforcement to lower cover plate, due to two second reinforcing counter sinks
Isosceles trapezoid is formed with two lower counter sink lines, then two second reinforcing sunk screws and two third sunk screw line shapes
At isosceles trapezoid, the case where lower cover plate being fixed on rear end cap is less prone to unbalance stress, is conducive to increase rear end cap under
Leakproofness between cover board.
Preferably, multiple fixing screwed holes are offered at the top of the casing, and control is provided on the top of the casing
Device, the controller include plastic shell, the T shape mounting rack being arranged in plastic shell, the circuit being installed on T shape mounting rack
Plate, the plastic shell includes the lower case being installed on casing, the upper housing that is removably connected in lower case, the lower casing
Third through-hole, step groove are offered in the inner bottom wall of body, the step groove is located at third through-hole two sides and is connected to third through-hole,
The T shape mounting rack includes that the master being embedded in through-hole drives body, is symmetricly set on main two flange driven on body two sidewalls, described
Flange and step groove interlocking cooperate, and the master drives the fixation counter sink offered on body for being aligned with fixing screwed hole,
Fixed sunk screw is equipped in the fixed counter sink, the fixed sunk screw is threadedly coupled with fixing screwed hole.
Through the above technical solutions, lower case is first placed in the top of casing by worker when controller is installed on motor
Then portion loads onto T shape mounting rack, then adjust the position of T shape mounting rack and lower case, so that fixed counter sink and fixed thread
Hole alignment, then screwing on fixed sunk screw can be fixedly installed in T shape mounting rack and lower case on casing, and fixed heavy
Head screw is located in fixed counter sink, then will not influence the installation of circuit board.The jetting machine of this application water-cooled machine works
When, the heat that generates in the circuit board course of work passes through the cooling water energy that in the installation conduction to casing of T shape, circulates in cooling circuit
It is enough to take away conduction to the heat on casing, and then can guarantee that circuit board can be stablized, efficiently work to a certain extent.
Preferably, the flange towards step groove bottom wall end face and step groove bottom wall between be provided with waterproof sealing
Glue, the waterproof gasket cement are used to for the splicing of T shape mounting rack being fixed in lower case and in flange towards the end of step groove bottom wall
Sealing is formed between face and the bottom wall of step groove.
Through the above technical solutions, by setting waterproof gasket cement, so that T shape mounting rack is capable of fixing in lower case,
Increase bonding strength between T shape mounting rack and lower case, then T shape mounting rack and lower case can be relatively stable be installed on machine
On shell, and waterproof gasket cement forms sealing between flange and step groove bottom wall, water can be prevented from flange to a certain extent
Gap between step groove bottom wall enters inside controller, is conducive to extend the service life of controller.
Preferably, the master drives body and is provided with heat-conducting silicone grease towards between the end face and casing of casing.
Through the above technical solutions, heat-conducting silicone grease, popular name is called thermal grease, is that base oil, novel gold are done with extraordinary silicone oil
Belong to oxide and do filler, is equipped with multiple functions additive, the paste being process through specific technique is led with splendid
Hot, electrical insulating property, stability in use.When the jetting machine work of this application water-cooled machine, produced in the circuit board course of work
Raw heat is conducted to T shape mounting rack, and the heat on T shape mounting rack is conducted efficiently on casing by heat-conducting silicone grease, is passed through
Heat-conducting silicone grease is set, the heat dissipation performance of controller can be increased.
Preferably, the motor is brshless DC motor.
Through the above technical solutions, brshless DC motor has small in size, light-weight, big, long service life of power output etc. excellent
Point, and control it is more convenient, be conducive to promoted this application water-cooled machine jetting machine ease of use.
(3) beneficial effect
In conclusion the present invention having the beneficial effect that in contrast to the prior art
1, it is made of the second water inlet, upper water-flowing trough, water-supply line, front cover water-flowing trough, sewer, lower water-flowing trough, the second water outlet
Cooling circuit throughout drive end bearing bracket, casing, rear end cap, the cooling water to circulate in cooling circuit can be taken away in the motor course of work
The heat of generation, the good heat dissipation effect of motor are conducive to extend the service life of motor, accelerate the working efficiency of complete machine；
2, by setting front cover sealing ring, the first sealing ring and the second sealing ring, be conducive to the height for promoting this application water-cooled machine
Press the leakproofness of cleaning machine.
Detailed description of the invention
Fig. 1 is in embodiment using the structural schematic diagram of the jetting machine of water-cooled machine, main prominent this application water cooling
The specific structure of the jetting machine of motor；
Fig. 2 is the local exploded-view at the first visual angle of motor in embodiment, the specific structure of main prominent motor；
Fig. 3 is the local exploded-view at the second visual angle of motor in embodiment, the specific structure of main prominent motor；
Fig. 4 is the explosive view of controller in embodiment, the specific structure of main prominent controller.
Appended drawing reference: 1, high-pressure pump；2, the first water inlet；3, the first water outlet；4, motor；41, casing；42, drive end bearing bracket；
43, rear end cap；5, water-supply line；6, sewer；7, the first threaded hole；8, the second threaded hole；9, front cover water-flowing trough；10, first is logical
Hole；11, front shroud；12, the first counter sink；13, the first sunk screw；14, front cover threaded hole；15, front cover counter sink；16, preceding
Lid sunk screw；17, front cover mounting groove；18, front cover sealing ring；19, upper water-flowing trough；20, lower water-flowing trough；21, the second through-hole；
22, upper cover plate；221, the second water inlet；23, upper counter sink；24, the second sunk screw；25, upper screwed hole；26, it first reinforces
Counter sink；27, first sunk screw is reinforced；28, lower cover plate；281, the second water outlet；282, connecting tube；29, lower counter sink；
30, third sunk screw；31, lower threaded hole；32, second counter sink is reinforced；33, second sunk screw is reinforced；34, the first installation
Slot；35, the first sealing ring；36, the second mounting groove；37, the second sealing ring；38, fixing screwed hole；39, controller；40, plastics
Shell；401, lower case；402, upper housing；44, T shape mounting rack；441, master drives body；442, flange；45, circuit board；46, third
Through-hole；47, step groove；48, fixed counter sink；49, fixed sunk screw.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
As shown in Figure 1, a kind of jetting machine using water-cooled machine 4, including high-pressure pump 1, motor 4, high-pressure pump 1 are height
Hydraulic plunger pump, high-pressure plunger pump can low pressure be intake, high pressure is discharged, and the first water inlet 2 and the first water outlet are provided on high-pressure pump 1
Mouth 3, motor 4 are installed on the side of high-pressure pump 1, and for motor 4 for driving high-pressure pump 1 to work, motor 4 is brshless DC motor, nothing
Brushless motor has many advantages, such as that small in size, light-weight, power output is big, long service life, and controls more convenient, is conducive to mention
Rise the ease of use of this jetting machine.
As illustrated in fig. 1 and 2, motor 4 includes casing 41, drive end bearing bracket 42 and rear end cap 43.The inner hollow of casing 41, casing
Hollow space for placing the components such as stator, rotor, coil, open up that there are two water-supply lines 5 and two to be lauched on casing 41
Road 6, two water-supply lines 5 and two sewers 6 are arranged respectively close to four angles of casing 41, and two water-supply lines 5 are located at casing 41
Top half, two sewers 6 are located at the lower half portion of casing 41.As shown in Fig. 2, casing 41 is towards the end face of drive end bearing bracket 42
On open up there are four the first threaded hole 7, four the first threaded holes 7 are in distributed rectangular.As shown in figure 3, casing 41 is towards rear end cap
It is opened up on 43 end face there are four the second threaded hole 8, four the second threaded holes 8 are in distributed rectangular.
As shown in Fig. 2, casing 41 is arranged in towards one end of high-pressure pump 1 in drive end bearing bracket 42, symmetrically offered on drive end bearing bracket 42
Two front cover water-flowing troughs 9, front cover water-flowing trough 9 is for ipsilateral water-supply line 5 to be connected to sewer 6.It is offered on drive end bearing bracket 42
Four first through hole 10, four first through hole 10 are aligned with four the first threaded holes 7.
Drive end bearing bracket 42 is symmetrical arranged there are two front shroud 11 on the end face of casing 41, and front shroud 11 is used to close front cover
Water-flowing trough 9,1 screw of high-pressure pump are connected to front shroud 11 on the end face of drive end bearing bracket 42.It is offered on two front shrouds 11
Two the first counter sinks 12, four the first counter sinks 12 are aligned with four first through hole 10, pass through the first counter sink 12 and first
Through-hole 10 is provided with the first sunk screw 13 for being threadedly coupled with the first threaded hole 7.
Drive end bearing bracket 42 is towards symmetrically opening up on the end face of front shroud 11 there are two front cover threaded hole 14, on two front shrouds 11
Front cover counter sink 15 is offered, front cover counter sink 15 and two 12 lines of the first counter sink form isosceles triangle, and front cover is heavy
The front cover sunk screw 16 for being threadedly coupled with front cover threaded hole 14 is equipped in head bore 15.
When drive end bearing bracket 42 and front shroud 11 are installed on casing 41, worker first successively puts drive end bearing bracket 42, front shroud 11
It is placed in the side of casing 41, and makes the first threaded hole 7, first through hole 10 and the alignment of the first counter sink 12, then screws on four
Drive end bearing bracket 42 and front shroud 11 can be tentatively fixed on casing 41 by the first sunk screw 13, using the above structure, so that preceding
End cap 42 and front shroud 11 can synchronize be installed on casing 41, it is easy for installation.Front cover counter sink 15 and front cover threaded hole 14 at this time
Alignment is subsequently screwed on front cover sunk screw 16 to complete the reinforcement to front shroud 11, due to front cover counter sink 15 and two
First counter sink, 12 line forms isosceles triangle, then front cover sunk screw 16 and two 13 lines of the first sunk screw are formed
The case where lumbar triangle shape, the then front shroud 11 being fixed on drive end bearing bracket 42 is less prone to unbalance stress, is conducive to enhance drive end bearing bracket
Leakproofness between 42 and front shroud 11.
There are two front cover mounting groove 17, two front cover mounting grooves towards symmetrically opening up on the end face of front shroud 11 for drive end bearing bracket 42
17 two front cover water-flowing troughs 9 are enclosed in respectively in, front cover sealing ring 18, front cover sealing ring 18 are embedded in front cover mounting groove 17
Sealing is cooperatively formed with front shroud 11.By the way that front cover sealing ring 18 is arranged, so that cooling water is not easy from drive end bearing bracket 42 and front shroud
11 seam crossing leaks out.
As shown in figure 3, the one end of casing 41 far from high-pressure pump 1 is arranged in rear end cap 43, offered on rear end cap 43 logical
Symmetrically, upper water-flowing trough 19 is used for two water-supply lines 5 for sink 19 and lower water-flowing trough 20, upper water-flowing trough 19 and lower water-flowing trough 20
What connection was got up, what lower water-flowing trough 20 was used to get up two connections of sewer 6.Second through-hole there are four being opened up on rear end cap 43
21, four the second through-holes 21 are aligned with four the second threaded holes 8.
Rear end cap 43 is provided with upper cover plate 22 on the end face of casing 41, and upper cover plate 22 is for closing water-flowing trough 19.
It symmetrically being opened up on upper cover plate 22 there are two upper counter sink 23, two upper counter sinks 23 are aligned with two the second through-holes 21 of upside,
Upper counter sink 23 and the second through-hole 21 are provided with the second sunk screw 24,8 spiral shell of the second sunk screw 24 and the second threaded hole
Line connection.Upper cover plate 22 is provided with the second water inlet 221, the second water inlet 221 and upper water-flowing trough on the end face of casing 41
19 connections.
Rear end cap 43 is opened up on the end face of casing 41 there are two upper screwed hole 25, opens up that there are two the on upper cover plate 22
One reinforces counter sink 26, and two first reinforcing counter sinks 26 are aligned with two upper screwed holes 25, two first reinforcing counter sinks 26
Isosceles trapezoid is formed with two upper 23 lines of counter sink, is equipped with the first reinforcing sunk screw 27 in the first reinforcing counter sink 26,
First reinforcing sunk screw 27 is threadedly coupled with upper screwed hole 25.
Rear end cap 43 is provided with lower cover plate 28 on the end face of casing 41, and lower cover plate 28 is for closing lower water-flowing trough 20.
It symmetrically being opened up on lower cover plate 28 there are two lower counter sink 29, two lower counter sinks 29 are aligned with two the second through-holes 21 of downside,
Lower counter sink 29 and the second through-hole 21 are provided with third sunk screw 30,8 spiral shell of third sunk screw 30 and the second threaded hole
Line connection.Lower cover plate 28 is provided with the second water outlet 281, the second water outlet 281 and lower water-flowing trough on the end face of casing 41
20 connections, are provided with connecting tube 282 between the second water outlet 281 and the first water inlet 2.
Rear end cap 43 is opened up on the end face of casing 41 there are two lower threaded hole 31, opens up that there are two the on lower cover plate 28
Two reinforce counter sink 32, and two second reinforcing counter sinks 32 are aligned with two lower threaded holes 31, two second reinforcing counter sinks 32
Isosceles trapezoid is formed with two lower 29 lines of counter sink, is equipped with the second reinforcing sunk screw 33 in the second reinforcing counter sink 32,
Second reinforcing sunk screw 33 is threadedly coupled with lower threaded hole 31.
When rear end cap 43, upper cover plate 22 and lower cover plate 28 are installed on casing 41, worker is first by rear end cap 43, upper cover plate
22 are sequentially placed in the side of casing 41, and the second threaded hole 8, the second through-hole 21, upper counter sink 23 are aligned, and then screw on
Rear end cap 43 and upper cover plate 22 can be installed on casing 41 by two the second sunk screws 24, then be placed in lower cover plate 28
Rear end cap 43 deviates from the side of casing 41, and the second threaded hole 8, the second through-hole 21, lower counter sink 29 are aligned, and then screws on
Rear end cap 43 and lower cover plate 28 can be installed on casing 41 by two third sunk screws 30, using the above structure, so that after
End cap 43, upper cover plate 22 and lower cover plate 28 can synchronize be installed on casing 41, it is easy for installation.At this time first reinforce counter sink 26 with
The alignment of upper screwed hole 25, the second reinforcing counter sink 32 are aligned with lower threaded hole 31, are subsequently screwed on 27 He of the first reinforcing sunk screw
Second reinforces sunk screw 33 to complete the reinforcement to upper cover plate 22 and lower cover plate 28, due to two first reinforcing counter sinks
26 and two upper 23 lines of counter sink formed isosceles trapezoids, two second reinforce counter sink 32 and two lower 29 line shapes of counter sink
At isosceles trapezoid, then two first reinforcing sunk screws 27 and two 24 lines of the second sunk screw form isosceles trapezoid, two
Second reinforces sunk screw 33 and two 30 lines of third sunk screw formation isosceles trapezoids, the upper cover being fixed on rear end cap 43
The case where plate 22 and lower cover plate 28 are less prone to unbalance stress, be conducive to increase rear end cap 43 and upper cover plate 22, lower cover plate 28 it
Between leakproofness.
Rear end cap 43 is towards offering the first mounting groove 34 on the end face of upper cover plate 22, and the first mounting groove 34 is by upper water-flowing trough
19 be enclosed in, the first sealing ring 35 is embedded in the first mounting groove 34, the first sealing ring 35 cooperatively forms close with upper cover plate 22
Envelope.By the way that the first sealing ring 35 is arranged, so that cooling water is not easy to leak out from the seam crossing of rear end cap 43 and upper cover plate 22.
Rear end cap 43 is towards offering the second mounting groove 36 on the end face of lower cover plate 28, and the second mounting groove 36 is by lower water-flowing trough
20 be enclosed in, the second sealing ring 37 is embedded in the second mounting groove 36, the second sealing ring 37 cooperatively forms close with lower cover plate 28
Envelope.By the way that the second sealing ring 37 is arranged, so that cooling water is not easy to leak out from the seam crossing of rear end cap 43 and lower cover plate 28.
When the jetting machine work of this application water-cooled machine 4, cooling water enters upper logical after the second water inlet 221
In sink 19, then flows successively through two water-supply lines 5,9, two sewers 6 of front cover water-flowing trough, lower water-flowing trough 20, second and be discharged
Mouth 281, then the cooling water at the second water outlet 281 is evacuated in the pump housing by high-pressure pump 1 by connecting tube 282, then high pressure spray
Out.It is discharged by the second water inlet 221, upper water-flowing trough 19, water-supply line 5, front cover water-flowing trough 9, sewer 6, lower water-flowing trough 20, second
The cooling water that the cooling circuits of 281 composition of mouth circulate in drive end bearing bracket 42, casing 41, rear end cap 43, cooling circuit being capable of band
The heat generated in 4 course of work of motor is walked, the good heat dissipation effect of motor 4 is conducive to extend the service life of motor 4, accelerates
The working efficiency of complete machine.
As illustrated in fig. 1 and 2, fixing screwed hole 38 there are four being opened up on the upper surface of casing 41, four fixing screwed holes 38
In distributed rectangular.The top of casing 41 is provided with controller 39, and controller 39 is for controlling motor 4.
As shown in figure 4, controller 39 includes plastic shell 40, the T shape mounting rack 44 being arranged in plastic shell 40, installation
Circuit board 45 on T shape mounting rack 44.Plastic shell 40 includes the lower case 401 being installed on casing 41, is detachably connected
In the upper housing 402 in lower case 401, it is detachably connected, is controlled by screw realization between lower case 401 and upper housing 402
Device 39 uses plastic shell 40, is conducive to the cost for mitigating the weight of this jetting machine, reducing this jetting machine.Lower case
Third through-hole 46, step groove 47 are offered in 401 inner bottom wall, step groove 47 is located at 46 two sides of third through-hole and and third through-hole
46 connections.T shape mounting rack 44 includes that master drives body 441, is symmetricly set on main two flange 442 driven on 441 two sidewalls of body, and master drives
Body 441 is embedded in third through-hole 46, and the main lower end surface for driving body 441 is concordant with the lower end surface of lower case 401, and master drives on body 441
It opens up there are four fixed counter sink 48, four fixed counter sinks 48 are aligned with four fixing screwed holes 38 respectively, and four fixations are heavy
Fixed sunk screw 49 is equipped in head bore 48, fixed sunk screw 49 is threadedly coupled with fixing screwed hole 38, two flange
442 cooperate with two interlockings of step groove 47 respectively.
When controller 39 is installed on motor 4, lower case 401 is first placed in the top of casing 41 by worker, is then filled
Upper T shape mounting rack 44 then adjusts the position of T shape mounting rack 44 and lower case 401, so that fixed counter sink 48 and fixed thread
Hole 38 is aligned, and casing 41 can be fixedly installed in for T shape mounting rack 44 and lower case 401 by then screwing on fixed sunk screw 49
On, and fixed sunk screw 49 is located in fixed counter sink 48, then will not influence the installation of circuit board 45.
Master drives body 441 and is provided with heat-conducting silicone grease towards between the end face and casing 41 of casing 41, and the popular name of heat-conducting silicone grease is again
It is thermal grease, is that base oil is done with extraordinary silicone oil, novel metal oxide does filler, multiple functions additive is equipped with, through specific
The paste that is process of technique, with splendid thermal conductivity, electrical insulating property, stability in use.
When the jetting machine work of this application water-cooled machine 4, the heat generated in 45 course of work of circuit board is conducted to T
After shape mounting rack 44, the heat on T shape mounting rack 44 is conducted efficiently on casing 41 by heat-conducting silicone grease, circulation in cooling circuit
Cooling water conduction can be taken away to the heat on casing 41, and then can guarantee that circuit board 45 can be steady to a certain extent
Determine, efficiently work.
Flange 442 towards 47 bottom wall of step groove end face and step groove 47 bottom wall between be provided with waterproof gasket cement, lead to
Setting waterproof gasket cement is crossed, so that T shape mounting rack 44 is capable of fixing in lower case 401, increasing T shape mounting rack 44 and lower casing
Bonding strength between body 401, then T shape mounting rack 44 and lower case 401 can be relatively stable be installed on casing 41, and prevent
Watertight sealing forms sealing between 47 bottom wall of flange 442 and step groove, water can be prevented to a certain extent from flange 442 and platform
Gap between 47 bottom wall of rank slot enters inside controller 39, is conducive to extend the service life of controller 39.
The above is only exemplary embodiment of the invention, protection scope and is not intended to limit the present invention, this hair
Bright protection scope is determined by the attached claims.
Claims (9)
1. a kind of jetting machine using water-cooled machine, including high-pressure pump (1), motor (4), it is arranged on the high-pressure pump (1)
There are the first water inlet (2), the first water outlet (3), it is characterized in that: the motor (4) includes casing (41), is arranged in casing (41)
Rear end cap (43) of the drive end bearing bracket (42), setting of close high-pressure pump (1) one end in casing (41) separate high-pressure pump (1) one end, institute
The top for stating casing (41) offers several water-supply lines (5), and the lower part of the casing (41) offers several sewers
(6), it is opened up on the drive end bearing bracket (42) there are two front cover water-flowing trough (9), the front cover water-flowing trough (9) is used for ipsilateral upper water
Road (5) is connected to sewer (6), and there are two front shroud (11), the front shroud (11) to be used for for setting on the drive end bearing bracket (42)
It closes front cover water-flowing trough (9), the upper water flowing for several water-supply line (5) connections to be got up is offered on the rear end cap (43)
Slot (19) is used to several sewers (6) being connected to the lower water-flowing trough (20) of getting up, and is provided with and is used on the rear end cap (43)
The upper cover plate (22) of water-flowing trough (19) in closing is provided with for being connected to upper water-flowing trough (19) on the upper cover plate (22)
Two water inlets (221) are provided with the lower cover plate (28) for closing lower water-flowing trough (20), the lower cover on the rear end cap (43)
It is provided with the second water outlet (281) for being connected to lower water-flowing trough (20) on plate (28), second water outlet (281) and the
Connecting tube (282) are provided between one water inlet (2).
2. a kind of jetting machine using water-cooled machine according to claim 1, it is characterized in that: the drive end bearing bracket (42)
There are two opening up on towards the end face of front shroud (11) front cover mounting groove (17), two front cover mounting grooves (17) are respectively by two
In a front cover water-flowing trough (9) is enclosed in, it is embedded in the front cover mounting groove (17) close for being cooperatively formed with front shroud (11)
The front cover sealing ring (18) of envelope, the rear end cap (43) towards offering the first mounting groove (34) on the end face of upper cover plate (22),
In upper water-flowing trough (19) is enclosed in by first mounting groove (34), it is embedded with and is used for and upper cover in first mounting groove (34)
Plate (22) cooperatively forms the first sealing ring (35) of sealing, and the rear end cap (43) is towards offering on the end face of lower cover plate (28)
Second mounting groove (36), in lower water-flowing trough (20) is enclosed in by second mounting groove (36), in second mounting groove (36)
It is embedded with the second sealing ring (37) for cooperatively forming sealing with lower cover plate (28).
3. a kind of jetting machine using water-cooled machine according to claim 1, it is characterized in that: the casing (41) court
It being opened up on the end face of end cap (42) forward there are four the first threaded hole (7), four first threaded holes (7) are in distributed rectangular,
First through hole (10) there are four being opened up on the drive end bearing bracket (42) for being aligned with the first threaded hole (7), two front covers
It is opened up on plate (11) there are two the first counter sink (12) for being aligned with first through hole (10), passes through first counter sink
(12), first through hole (10) is provided with the first sunk screw (13) for being threadedly coupled with the first threaded hole (7), the casing
(41) towards opening up on the end face of rear end cap (43) there are four the second threaded hole (8), four second threaded holes (8) are in rectangle
Distribution, opens up that there are four the second through-hole (21) for being aligned with the second threaded hole (8), the upper covers on the rear end cap (43)
There are two opening up on plate (22) upper counter sink (23), two upper counter sinks (23) and two the second through-holes (21) of upside are right
Together, the upper counter sink (23) is passed through, the second through-hole (21) is provided with the second sunk screw (24), second sunk screw
(24) it is threadedly coupled, is opened up on the lower cover plate (28) there are two lower counter sink (29), under two described with the second threaded hole (8)
Counter sink (29) is aligned with two the second through-holes (21) of downside, passes through the lower counter sink (29), the second through-hole (21) is arranged
Have third sunk screw (30), the third sunk screw (30) is threadedly coupled with the second threaded hole (8).
4. a kind of jetting machine using water-cooled machine according to claim 3, it is characterized in that: the drive end bearing bracket (42)
There are two symmetrically being opened up on towards the end face of front shroud (11) front cover threaded hole (14), opened up on two front shrouds (11)
Have front cover counter sink (15), the front cover counter sink (15) forms isoceles triangle with two the first counter sink (12) lines
Shape, the interior front cover sunk screw (16) being equipped with for being threadedly coupled with front cover threaded hole (14) of the front cover counter sink (15).
5. a kind of jetting machine using water-cooled machine according to claim 3, it is characterized in that: the rear end cap (43)
It is opened up on the end face of casing (41) there are two upper screwed hole (25) and two lower threaded holes (31), on the upper cover plate (22)
It opens up there are two the first reinforcing counter sink (26), two described first are reinforced counter sink (26) and two upper screwed holes (25)
Alignment reinforces counter sink (26) and two upper counter sink (23) lines for two described first and forms isosceles trapezoids, and described the
One reinforces the first reinforcing sunk screw (27) being equipped in counter sink (26) for being threadedly coupled with upper screwed hole (25), described
It is opened up on lower cover plate (28) there are two the second reinforcing counter sink (32), two described second are reinforced described in counter sink (32) and two
Lower threaded hole (31) alignment reinforces counter sink (32) for two described second and forms isosceles with two lower counter sink (29) lines
Trapezoidal, described second reinforces the second reinforcing countersunk head spiral shell being equipped in counter sink (32) for being threadedly coupled with lower threaded hole (31)
It follows closely (33).
6. a kind of jetting machine using water-cooled machine according to claim 1, it is characterized in that: the casing (41)
Top offers multiple fixing screwed holes (38), is provided with controller (39), the controller on the top of the casing (41)
(39) include plastic shell (40), the T shape mounting rack (44) being arranged in plastic shell (40), be installed on T shape mounting rack (44)
On circuit board (45), the plastic shell (40) include be installed on casing (41) lower case (401), be removably connected to
Upper housing (402) in lower case (401) offers third through-hole (46), step groove in the inner bottom wall of the lower case (401)
(47), the step groove (47) is located at third through-hole (46) two sides and is connected to third through-hole (46), the T shape mounting rack (44)
Master including being embedded in through-hole drives body (441), is symmetricly set on main two flange (442) driven on body (441) two sidewalls, institute
It states flange (442) and the step groove (47) interlocking to cooperate, the master drives to offer on body (441) and be used for and fixing screwed hole
(38) the fixation counter sink (48) being aligned, the fixed counter sink (48) is interior to be equipped with fixed sunk screw (49), the fixation
Sunk screw (49) is threadedly coupled with fixing screwed hole (38).
7. a kind of jetting machine using water-cooled machine according to claim 6, it is characterized in that: the flange (442)
Towards step groove (47) bottom wall end face and step groove (47) bottom wall between be provided with waterproof gasket cement, the waterproof gasket cement
For T shape mounting rack (44) splicing to be fixed on lower case (401) and in flange (442) towards the end of step groove (47) bottom wall
Sealing is formed between face and the bottom wall of step groove (47).
8. a kind of jetting machine using water-cooled machine according to claim 7, it is characterized in that: the master drives body
(441) heat-conducting silicone grease is provided with towards between the end face of casing (41) and casing (41).
9. a kind of jetting machine using water-cooled machine according to claim 1, it is characterized in that: the motor (4) is
Brshless DC motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910013954.9A CN109450152A (en) | 2019-01-08 | 2019-01-08 | A kind of jetting machine using water-cooled machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910013954.9A CN109450152A (en) | 2019-01-08 | 2019-01-08 | A kind of jetting machine using water-cooled machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109450152A true CN109450152A (en) | 2019-03-08 |
Family
ID=65540240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910013954.9A Pending CN109450152A (en) | 2019-01-08 | 2019-01-08 | A kind of jetting machine using water-cooled machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109450152A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021109758A1 (en) * | 2019-12-06 | 2021-06-10 | 苏州宝时得电动工具有限公司 | Main machine assembly of cleaning machine and cleaning machine with same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203482021U (en) * | 2013-10-18 | 2014-03-12 | 湖南朝阳机电股份有限公司 | Multi-water-inlet water-cooled motor |
| KR20150002837U (en) * | 2015-06-08 | 2015-07-17 | 박정희 | Cooling apparatus for electric motors |
| CN105406649A (en) * | 2015-12-17 | 2016-03-16 | 宁波沪江电机有限公司 | Water-cooling high pressure cleaner motor |
| CN205725335U (en) * | 2016-06-28 | 2016-11-23 | 宁波富斯乐机械制造有限公司 | Water-cooled machine for jetting machine |
| CN106899131A (en) * | 2015-12-18 | 2017-06-27 | 贵阳航空电机有限公司 | Water cooling shell of electric machine |
| CN208190425U (en) * | 2018-05-18 | 2018-12-04 | 中山大洋电机股份有限公司 | A kind of motor housing cooling water channel structure and its water-cooled machine of application |
| CN209170110U (en) * | 2019-01-08 | 2019-07-26 | 台州市路桥先锋电子科技有限公司 | A kind of jetting machine using water-cooled machine |
-
2019
- 2019-01-08 CN CN201910013954.9A patent/CN109450152A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203482021U (en) * | 2013-10-18 | 2014-03-12 | 湖南朝阳机电股份有限公司 | Multi-water-inlet water-cooled motor |
| KR20150002837U (en) * | 2015-06-08 | 2015-07-17 | 박정희 | Cooling apparatus for electric motors |
| CN105406649A (en) * | 2015-12-17 | 2016-03-16 | 宁波沪江电机有限公司 | Water-cooling high pressure cleaner motor |
| CN106899131A (en) * | 2015-12-18 | 2017-06-27 | 贵阳航空电机有限公司 | Water cooling shell of electric machine |
| CN205725335U (en) * | 2016-06-28 | 2016-11-23 | 宁波富斯乐机械制造有限公司 | Water-cooled machine for jetting machine |
| CN208190425U (en) * | 2018-05-18 | 2018-12-04 | 中山大洋电机股份有限公司 | A kind of motor housing cooling water channel structure and its water-cooled machine of application |
| CN209170110U (en) * | 2019-01-08 | 2019-07-26 | 台州市路桥先锋电子科技有限公司 | A kind of jetting machine using water-cooled machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021109758A1 (en) * | 2019-12-06 | 2021-06-10 | 苏州宝时得电动工具有限公司 | Main machine assembly of cleaning machine and cleaning machine with same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209170110U (en) | A kind of jetting machine using water-cooled machine | |
| CN109450152A (en) | A kind of jetting machine using water-cooled machine | |
| CN209955239U (en) | Cooling water circulation device for injection molding process | |
| CN209358382U (en) | A kind of motor with temperature with high efficiency function | |
| US20120049673A1 (en) | Generator System for Water Tank | |
| CN205536500U (en) | Novel electric water heater | |
| CN209476797U (en) | A kind of jetting machine | |
| CN203850094U (en) | Main transformer oil flow guide micro circulation device with photovoltaic frequency conversion function | |
| CN207819679U (en) | A kind of direct current outer rotor brushless motor liquid cooling structure | |
| CN212137472U (en) | Motor waste heat collection device | |
| CN208559727U (en) | The extension paddle machine of modified form | |
| CN208939419U (en) | A kind of injection molding machine communication electric cabinet | |
| CN211334243U (en) | Silica gel mould is with advancing mucilage binding and putting | |
| CN205638878U (en) | High low consumption variable -frequency pulse pump that holds | |
| CN208118359U (en) | A kind of cooling body of mold | |
| CN208047122U (en) | A kind of electromechanical equipment with heat sinking function | |
| CN208675053U (en) | A kind of heat resisting motor | |
| CN207485680U (en) | A kind of freq uency conversion supercharging pump | |
| CN112793756A (en) | Double-sided available electric propeller | |
| CN220791820U (en) | Internal circulating oil cooling device for generator set bearing | |
| CN216290641U (en) | High-voltage frequency converter with high heat dissipation performance | |
| CN217440369U (en) | Centrifugal pump with heat radiating device for oil production | |
| CN212936516U (en) | Water-cooled static phase advancer | |
| CN216077326U (en) | Cooling liquid supplying device of diesel generating set | |
| CN219394612U (en) | Large-scale permanent magnet motor cooling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |