CN110165833A - A kind of Flame-Proof Three-Phase Induction Motors - Google Patents
A kind of Flame-Proof Three-Phase Induction Motors Download PDFInfo
- Publication number
- CN110165833A CN110165833A CN201910528781.4A CN201910528781A CN110165833A CN 110165833 A CN110165833 A CN 110165833A CN 201910528781 A CN201910528781 A CN 201910528781A CN 110165833 A CN110165833 A CN 110165833A
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- Prior art keywords
- cooling
- circulation portion
- rear end
- motor
- mounting plate
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention belongs to motor technology fields, especially a kind of Flame-Proof Three-Phase Induction Motors, including motor case, supporting block is equipped with below the motor case, the side of the motor case is equipped with drive end bearing bracket, drive shaft is installed in the drive end bearing bracket, the motor case is equipped with rear end cap far from the side of drive shaft, the first mounting groove is offered on the rear end cap, mounting plate is installed in first mounting groove, cooling device is installed on the mounting plate, the cooling device includes multiple groups cooling tube and small-sized circulating water pump, the second mounting groove is offered on the mounting plate, the small-sized circulating water pump is mounted in the second mounting groove, the cooling tube includes two the first cooling ends and the second cooling end being parallel to each other, in the present invention, even if cooling tube cracking, the coolant liquid of outflow will not flow into inside motor, more will not The force device inside motor is touched, ensure that the normal use of force device.
Description
Technical field
The present invention relates to motor technology field more particularly to a kind of Flame-Proof Three-Phase Induction Motors.
Background technique
Threephase asynchronous machine is one kind of induction conductivity, is to lean on while accessing 380V three-phase alternating current (phase difference 120
Degree) power supply a kind of motor, due to threephase asynchronous rotor from stator rotating excitation field in the same direction, it is different
Revolving speed is at rotation, and there are revolutional slips, so being threephase asynchronous.The revolving speed of three-phase asynchronous motor rotor is lower than rotary magnetic
Revolving speed, rotor windings because between magnetic field there is relative motion due to generate electromotive force and electric current, and and magnetic field interaction
Electromagnetic torque is generated, realizes energy conversion.Compared with monopole asynchronous motor, threephase asynchronous runnability is good, and can
Save a variety of materials.By the difference of rotor structure, threephase asynchronous can be divided into cage and two kinds of Wound-rotor type.Cage rotor
Induction Motor Structure is simple, reliable for operation, light-weight, cheap, is widely used, and major defect is speed regulation
Difficulty, the rotor and stator of wound three-phase asynchronous motor are equally also provided with three-phase windings and by slip rings, brush and outer
The connection of portion's rheostat.Standardsizing rheostat resistance can improve the starting performance of motor and adjust the revolving speed of motor.
A kind of Flame-Proof Three-Phase Induction Motors, including motor are disclosed in the patent of Publication No. CN108696054A
Casing, the side of the motor case are provided with rear end cap, and the other side of the motor case is connected with drive end bearing bracket, the front end
The inside of lid is equipped with bearing, and the motor case is internally provided with output revolving shaft, and one end setting of the output revolving shaft exists
The side of drive end bearing bracket, the rear end cap are internally provided with liquid reserve tank, and the side of the liquid reserve tank is provided with circulating pump, the storage
Connecting tube is installed, one end of the connecting tube is connected to the side of circulating pump on the side side wall of liquid case.By in motor
Design insertion cooling ring vessel, is effectively dissipated into external environment for the heat in motor while guaranteeing that shell is closed on inner wall,
Reduce motor operating temperature.But by cooling device setting, there is some problems inside motor, if cooling tube is surprisingly broken
It splits, coolant liquid drips on the force device inside motor in cooling tube, it will huge damage is generated to motor, influences motor
Normal use, or even generation the case where can generate electric leakage, threaten to the safety of user, are unfavorable for people's use；Moreover,
The inside that cooling device is mounted on motor is not easy to disassembly installation, it has not been convenient to user's maintenance or replacement cooling device.
So needing to design a kind of Flame-Proof Three-Phase Induction Motors for being able to solve the above problem.
Summary of the invention
A kind of Flame-Proof Three-Phase Induction Motors proposed by the present invention, solving coolant liquid leakage will be huge to motor generation
Big damage influences the normal use of motor, or even generation the case where can generate electric leakage, threatens to the safety of user
Problem.
To achieve the goals above, present invention employs following technical solutions:
A kind of Flame-Proof Three-Phase Induction Motors, including motor case, the motor case lower section is equipped with supporting block, described
Mounting base is fixedly connected with below supporting block, the side of the motor case is equipped with drive end bearing bracket, is equipped with drive in the drive end bearing bracket
Moving axis, the motor case is equipped with rear end cap far from the side of drive shaft, offers the first mounting groove on the rear end cap, described
Mounting plate is installed in the first mounting groove, cooling device is installed on the mounting plate, the cooling device includes that multiple groups are cooling
Pipe and small-sized circulating water pump, and the second mounting groove is offered on the mounting plate, and the small-sized circulating water pump is mounted on the second installation
In slot, the cooling tube includes two the first cooling ends and the second cooling end being parallel to each other, and is opened up inside the motor case
There is the cooling bath for installing the first cooling end and the second cooling end, is equipped between first cooling end and the second cooling end curved
Pars convoluta, first cooling end are connected with first circulation portion far from one end of bending section, and second cooling end is far from bending section
One end be connected with second circulation portion, connection is equipped between the second circulation portion in the first circulation portion and another group of cooling tube
Portion, wherein the first circulation portion in cooling tube described in one group passes through small-sized circulating water with the second circulation portion in another group of cooling tube
Pump connection.
Preferably, the rear end cap surface offers the first clamping groove, and the first circulation portion and second circulation portion block
It connecing in the first clamping groove, the installation plate surface offers the second clamping groove, and the interconnecting piece is connected in the second clamping groove,
The depth of first clamping groove and the second clamping groove is identical as the diameter of cooling tube.
Preferably, the rear end cap surface is equipped with the fixinig plate for fixing first circulation portion and second circulation portion, is told
Fixinig plate both ends offer the first screw hole, are equipped with the first bolt in first screw hole, the fixinig plate by the first bolt with
Rear end cap is fixedly connected.
Preferably, the mounting plate side is equipped with multiple connectors, offers on the rear end cap for snap fit fasteners
Link slot, the second screw hole is offered on the connector, is equipped with the second bolt in second screw hole, the mounting plate passes through
Second bolt is fixedly connected with rear end cap.
Preferably, it is equipped with fixing piece between first cooling end and the second cooling end, offers two on the fixing piece
The inner wall of the blocked hole of a clamping the first cooling end and the second cooling end, the fixing piece surface and cooling bath does smooth place
Reason.
Compared with prior art, the beneficial effects of the present invention are:
1, in the present invention, cooling tube is mounted on the rear end cap of motor and in cooling bath, is not in inside motor, i.e.,
Make cooling tube cracking, the coolant liquid of outflow will not flow into inside motor, will not more touch the electric power member inside motor
Part, ensure that the normal use of force device, and then ensure that the normal operation of motor, solves coolant liquid in cooling tube and drips to
On force device inside motor, the case where influencing the normal use of motor, or even electric leakage can be generated generation, to the peace of user
The problem of threatening entirely.
2, in the present invention, cooling device is an integral installation in the outside of motor, and user can be by dismantling the first spiral shell
Bolt and the second bolt release being fixedly connected between rear end cap and mounting plate and cooling tube, can be by cooling device from motor
On disassemble, convenient for users to repairing and replacing cooling device.
Detailed description of the invention
Fig. 1 is a kind of side structure schematic view of Flame-Proof Three-Phase Induction Motors proposed by the present invention；
Fig. 2 is a kind of overlooking structure diagram of Flame-Proof Three-Phase Induction Motors proposed by the present invention；
Fig. 3 is a kind of positive structure diagram of Flame-Proof Three-Phase Induction Motors proposed by the present invention；
Fig. 4 is a kind of structural schematic diagram of the fixing piece of Flame-Proof Three-Phase Induction Motors proposed by the present invention.
In figure: 1 mounting base, 2 supporting blocks, 3 motor cases, 4 rear end caps, 5 cooling baths, 6 first bolts, 7 fixinig plates, 8
One clamping groove, 9 first circulation portions, 10 second bolts, 11 connectors, 12 second clamping grooves, 13 interconnecting pieces, 14 small-sized circulating waters
Pump, 15 second mounting grooves, 16 second circulation portions, 17 mounting plates, 18 first mounting grooves, 19 fixing pieces, 20 blocked holes, 21 bendings
Portion, 22 drive shafts, 23 first cooling ends, 24 second cooling ends, 25 drive end bearing brackets.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-4, a kind of Flame-Proof Three-Phase Induction Motors are equipped between the first cooling end 23 and the second cooling end 24
Fixing piece 19 includes motor case 3, and supporting block 2 is equipped with below motor case 3, is fixedly connected with mounting base 1 below supporting block 2,
The side of motor case 3 is equipped with drive end bearing bracket 25, is equipped with drive shaft 22 in drive end bearing bracket 25, motor case 3 is far from drive shaft 22
Side is equipped with rear end cap 4, offers the first mounting groove 18 on rear end cap 4, mounting plate 17 is equipped in the first mounting groove 18, installs
Cooling device is installed, for cooling device for reducing the temperature of motor, cooling device includes multiple groups cooling tube and small-sized on plate 17
Water circulating pump 14, coolant liquid is equipped in cooling tube, and small-sized circulating water pump 14 accelerates for circulating the coolant liquid in cooling tube
The cooling velocity of coolant liquid, the second mounting groove 15 is offered on mounting plate 17, and small-sized circulating water pump 14 is mounted on the second mounting groove
In 15, cooling tube includes two the first cooling ends 23 and the second cooling end 24 being parallel to each other, and is opened up inside motor case 3 useful
In the cooling bath 5 of installation the first cooling end 23 and the second cooling end 24, two cooling ends are directly assigned into cooling bath 5, can be straight
It picks up out, it is easy to disassemble and install, bending section 21, the first cooling end 23 are equipped between the first cooling end 23 and the second cooling end 24
One end far from bending section 21 is connected with first circulation portion 9, and the second cooling end 24 is connected with second far from one end of bending section 21
Circulation portions 16 are equipped with interconnecting piece 13 between the second circulation portion 16 in first circulation portion 9 and another group of cooling tube, wherein one group cold
But the first circulation portion 9 in pipe is connect with the second circulation portion 16 in another group of cooling tube by small-sized circulating water pump 14, multiple groups
Cooling tube and small-sized circulating water pump 14 connect into the entirety ganged up, and form one and facilitate the logical of coolant liquid circulation
Road,
4 surface of rear end cap offers the first clamping groove 8, and first circulation portion 9 and second circulation portion 16 are connected to the first card
In access slot 8,17 surface of mounting plate offers the second clamping groove 12, and interconnecting piece 13 is connected in the second clamping groove 12, the first clamping
The depth of slot 8 and the second clamping groove 12 is identical as the diameter of cooling tube, and cooling tube is connected in clamping groove completely, clamping groove pair
Cooling tube has protective effect.
4 surface of rear end cap is equipped with the fixinig plate 7 for fixing first circulation portion 9 and second circulation portion 16, told fixinig plate 7
Both ends offer the first screw hole, and the first bolt 6 is equipped in the first screw hole, and fixinig plate 7 is fixed by the first bolt 6 and rear end cap 4
Connection, fixinig plate 7 can prevent first circulation portion 9 and second circulation portion 16 from deviating from the first clamping groove 8, play fixed effect,
It is connect by the first bolt 6 with rear end cap 4, convenient for users to disassembly installation.
17 side of mounting plate is equipped with multiple connectors 11, and the link slot for snap fit fasteners 11 is offered on rear end cap 4,
The second screw hole is offered on connector 11, the second bolt 10 is equipped in the second screw hole, mounting plate 17 is by the second bolt 10 with after
End cap 4 is fixedly connected, convenient for users to mounting and dismounting mounting plate 17, and then the entire cooling device that is easy for installation and removal.
The blocked hole 20 of clamping the first cooling tube and the second cooling tube, 19 surface of fixing piece there are two being opened up on fixing piece 19
And the inner wall of cooling bath 5 does smooth treatment, fixing piece 19 secures the opposite of the first cooling end 23 and the second cooling end 24
Position facilitates disassembly and installation of two cooling ends in cooling bath 5.
The present apparatus in use, cooling device be an entirety, be mounted on the rear end cap 4 of motor, wherein cooling tube is assigned
In the cooling bath 5 of motor case 3, the heat that motor generates at work is transmitted on motor case 3, then is inhaled by cooling device
It receives, thereby reduces temperature when motor work, under the action of small-sized circulating water pump 14, the coolant liquid in cooling device is continuous
It circulates, enhances the cooling effect of coolant liquid, play apparent heat spreading function；Because after cooling tube is mounted on motor
It on end cap 4 and in cooling bath 5, is not in inside motor, even if cooling tube cracking, the coolant liquid of outflow will not flow
Into inside motor, the force device inside motor will not be more touched, ensure that the normal use of force device, and then ensure that
The normal operation of motor；Meanwhile user can release rear end cap 4 and mounting plate by the first bolt 6 of disassembly and the second bolt 10
Being fixedly connected between 17 and cooling tube can disassemble cooling device from motor, convenient for users to maintenance and more
Change cooling device.
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 (5)
1. a kind of Flame-Proof Three-Phase Induction Motors, including motor case (3), motor case (3) lower section is equipped with supporting block
(2), it being fixedly connected with mounting base (1) below the supporting block (2), the side of the motor case (3) is equipped with drive end bearing bracket (25),
It is equipped with drive shaft (22) in the drive end bearing bracket (25), the motor case (3) is equipped with rear end far from the side of drive shaft (22)
It covers (4), which is characterized in that offered the first mounting groove (18) on the rear end cap (4), installation in first mounting groove (18)
Have mounting plate (17), cooling device is installed on the mounting plate (17), the cooling device includes multiple groups cooling tube and small-sized
Water circulating pump (14) offers the second mounting groove (15) on the mounting plate (17), and the small-sized circulating water pump (14) is mounted on
In second mounting groove (15), the cooling tube includes two the first cooling ends (23) and the second cooling end (24) being parallel to each other,
The cooling bath (5) for installing the first cooling end (23) and the second cooling end (24), institute are offered inside the motor case (3)
It states and is equipped with bending section (21) between the first cooling end (23) and the second cooling end (24), first cooling end (23) is far from bending
The one end in portion (21) is connected with first circulation portion (9), and second cooling end (24) is connected with far from the one end of bending section (21)
Second circulation portion (16) is equipped with connection between the second circulation portion (16) in the first circulation portion (9) and another group of cooling tube
Portion (13), wherein the first circulation portion (9) in cooling tube described in one group and the second circulation portion (16) in another group of cooling tube are logical
Cross small-sized water circulating pump (14) connection.
2. a kind of Flame-Proof Three-Phase Induction Motors according to claim 1, which is characterized in that rear end cap (4) table
Face offers the first clamping groove (8), and the first circulation portion (9) and second circulation portion (16) are connected to the first clamping groove (8)
Interior, mounting plate (17) surface offers the second clamping groove (12), and the interconnecting piece (13) is connected to the second clamping groove (12)
Interior, the depth of first clamping groove (8) and the second clamping groove (12) is identical as the diameter of cooling tube.
3. a kind of Flame-Proof Three-Phase Induction Motors according to claim 1, which is characterized in that the rear end cap 4) surface
Equipped with the fixinig plate (7) for fixing first circulation portion (9) and second circulation portion (16), told fixinig plate (7) both ends are offered
First screw hole, first screw hole is interior to be equipped with the first bolt (6), and the fixinig plate (7) passes through the first bolt (6) and rear end cap
(4) it is fixedly connected.
4. a kind of Flame-Proof Three-Phase Induction Motors according to claim 1, which is characterized in that mounting plate (17) side
Side is equipped with multiple connectors (11), and the link slot for snap fit fasteners (11), the connection are offered on the rear end cap (4)
The second screw hole is offered on part (11), is equipped with the second bolt (10) in second screw hole, the mounting plate (17) passes through second
Bolt (10) is fixedly connected with rear end cap (4).
5. a kind of Flame-Proof Three-Phase Induction Motors according to claim 1, which is characterized in that first cooling end
(23) fixing piece (19) are equipped between the second cooling end (24), are opened up on the fixing piece (19) cooling there are two being clamped first
The inner wall of the blocked hole (20) in portion (23) and the second cooling end (24), fixing piece (19) surface and cooling bath (5) is done
Smooth treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910528781.4A CN110165833B (en) | 2019-06-18 | 2019-06-18 | Explosion-proof type three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910528781.4A CN110165833B (en) | 2019-06-18 | 2019-06-18 | Explosion-proof type three-phase asynchronous motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110165833A true CN110165833A (en) | 2019-08-23 |
| CN110165833B CN110165833B (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910528781.4A Active CN110165833B (en) | 2019-06-18 | 2019-06-18 | Explosion-proof type three-phase asynchronous motor |
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| Country | Link |
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| CN (1) | CN110165833B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300527A (en) * | 2021-05-19 | 2021-08-24 | 浙爆集团有限公司 | Explosion-proof type three-phase asynchronous motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026495A (en) * | 2016-07-26 | 2016-10-12 | 杨建玉 | Explosion-proof motor capable of dissipating heat |
| JP6190910B1 (en) * | 2016-03-29 | 2017-08-30 | 三菱電機株式会社 | Rotating electric machine |
| CN207573135U (en) * | 2017-11-10 | 2018-07-03 | 江苏月亮电机有限公司 | A kind of heat dissipation end cap of fire-proof motor |
| CN207853636U (en) * | 2018-02-28 | 2018-09-11 | 北京新能源汽车股份有限公司 | Motor end cover, driving motor and electric automobile |
| CN108696054A (en) * | 2018-07-25 | 2018-10-23 | 江苏华源防爆电机有限公司 | A kind of Flame-Proof Three-Phase Induction Motors |
-
2019
- 2019-06-18 CN CN201910528781.4A patent/CN110165833B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6190910B1 (en) * | 2016-03-29 | 2017-08-30 | 三菱電機株式会社 | Rotating electric machine |
| CN106026495A (en) * | 2016-07-26 | 2016-10-12 | 杨建玉 | Explosion-proof motor capable of dissipating heat |
| CN207573135U (en) * | 2017-11-10 | 2018-07-03 | 江苏月亮电机有限公司 | A kind of heat dissipation end cap of fire-proof motor |
| CN207853636U (en) * | 2018-02-28 | 2018-09-11 | 北京新能源汽车股份有限公司 | Motor end cover, driving motor and electric automobile |
| CN108696054A (en) * | 2018-07-25 | 2018-10-23 | 江苏华源防爆电机有限公司 | A kind of Flame-Proof Three-Phase Induction Motors |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300527A (en) * | 2021-05-19 | 2021-08-24 | 浙爆集团有限公司 | Explosion-proof type three-phase asynchronous motor |
| CN113300527B (en) * | 2021-05-19 | 2022-06-21 | 浙爆集团有限公司 | Explosion-proof type three-phase asynchronous motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110165833B (en) | 2020-10-27 |
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