CN107317425B - Motor power assembly and its bearing block - Google Patents
Motor power assembly and its bearing block Download PDFInfo
- Publication number
- CN107317425B CN107317425B CN201710751073.8A CN201710751073A CN107317425B CN 107317425 B CN107317425 B CN 107317425B CN 201710751073 A CN201710751073 A CN 201710751073A CN 107317425 B CN107317425 B CN 107317425B
- Authority
- CN
- China
- Prior art keywords
- clamping unit
- spanner
- rotor
- block
- hole
- 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.)
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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
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
- F04C11/008—Enclosed motor pump units
-
- 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
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/124—Sealing of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
- H02K7/1021—Magnetically influenced friction brakes
- H02K7/1023—Magnetically influenced friction brakes using electromagnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Abstract
The present invention relates to a kind of motor power assembly and its bearing blocks, motor power assembly includes motor, motor includes bearing block and motor shaft, bearing block includes frame-shaped body, at least a pair of of clamping unit is provided on frame-shaped body, each clamping unit in each pair of clamping unit includes the screw rod being threadedly coupled with frame-shaped body, the inner end of each screw rod rotates the grip block being provided with for clamping corresponding bearing, the screw coaxial line of each clamping unit in each pair of clamping unit is arranged and thread rotary orientation is opposite, the driving hole that aperture is opposite and is arranged with screw coaxial line is provided on the screw rod of two clamping units of each pair of clamping unit.The present invention provides can guarantee the constant bearing block in bearing centre position when a kind of adjustment of screw rod.
Description
Technical field
The present invention relates to a kind of motor power assembly and its bearing blocks.
Background technique
Chinese patent CN104901463B is disclosed " a kind of electric motor end cap ", which includes end cap ontology and setting
Bearing block on end cap ontology, bearing block include frame-shaped body, circumferentially distributed on frame-shaped body to have two pairs of screw rods, in each spiral shell
The inner end of bar is rotatably equipped with grip block, is clamped and fastened between each grip block with the bearing of motor shaft cooperation.When need
When motor shaft with different-diameter, corresponding bearing is also needed to change, just needs to rotate at this time to adjust each screw rod, to adjust each clamping
The spacing of block is to match corresponding bearing.Existing this bearing block has problems in that: two screw rods of every centering are being adjusted
It being independent from each other when whole, this may have a screw rod and twist the situation that half-turn or another screw rod twist half-turn less more,
It is in center that this, which will will lead to bearing final position not, and motor shaft can generate bias force to bearing and influence to lead to axis
It is very fast to hold abrasion, influences the service life of bearing.
Summary of the invention
The purpose of the present invention is to provide can guarantee the constant bearing block in bearing centre position when a kind of adjustment of screw rod；This
The purpose of invention, which also resides in, provides a kind of motor power assembly using the bearing block.
In order to solve the above technical problems, the technical solution of motor power assembly is as follows in the present invention:
Motor power assembly, including motor, motor include bearing block and motor shaft, and bearing block includes frame-shaped body, frame shape
At least a pair of of clamping unit is provided on ontology, each clamping unit in each pair of clamping unit includes connecting with frame-shaped body screw thread
The screw rod connect, the inner end of each screw rod rotates the grip block being provided with for clamping corresponding bearing, each in each pair of clamping unit
The screw coaxial line of clamping unit is arranged and thread rotary orientation on the screw rod of two clamping units of each pair of clamping unit on the contrary, be arranged
There is the driving hole that aperture is opposite and is arranged with screw coaxial line.
Bearing block further includes Telescopic spanner, and Telescopic spanner includes that can stretch upwards the first of rotation stop cooperation in corresponding screw shaft
Spanner and the second spanner, the first spanner have for stopping with the driving hole in one of clamping unit in each pair of clamping unit
Turn the first mating inserted terminal, the second spanner has for matching with the driving hole rotation stop grafting in another clamping unit
The second inserted terminal closed.
First spanner, the second spanner pass through the square hole square axle structure being plugged in together and realize rotation stop cooperation.
The force-application block held for operator is provided on first spanner.
The technical solution of bottom bracket of the present invention are as follows: bearing block, including frame-shaped body are provided at least one on frame-shaped body
To clamping unit, each clamping unit in each pair of clamping unit includes the screw rod being threadedly coupled with frame-shaped body, each screw rod
Inner end rotates the grip block being provided with for clamping corresponding bearing, the screw coaxial of each clamping unit in each pair of clamping unit
Line setting and thread rotary orientation are on the contrary, be provided with that aperture is opposite and and screw rod on the screw rod of two clamping units of each pair of clamping unit
The driving hole being coaxially set.
Bearing block further includes Telescopic spanner, and Telescopic spanner includes that can stretch upwards the first of rotation stop cooperation in corresponding screw shaft
Spanner and the second spanner, the first spanner have for stopping with the driving hole in one of clamping unit in each pair of clamping unit
Turn the first mating inserted terminal, the second spanner has for matching with the driving hole rotation stop grafting in another clamping unit
The second inserted terminal closed.
First spanner, the second spanner pass through the square hole square axle structure being plugged in together and realize rotation stop cooperation.
The force-application block held for operator is provided on first spanner.
The invention has the benefit that in the present invention, when the spacing for needing to adjust two grip blocks adapts to different volumes
When bearing, the first spanner of Telescopic spanner and the driving hole rotation stop inserting on a screw rod in a pair of of clamping unit are flexible to pull
Driving hole rotation stop inserting on second spanner of hand and the screw rod of another clamping unit, then rotates Telescopic spanner, and first
Spanner, the second spanner rotate synchronously, and the first spanner, the second spanner drive two screw rods in a pair of of clamping unit to rotate synchronously,
Since two screw flights in a pair of of clamping unit are oppositely oriented, the opposite or phase that two screw rods can synchronize is moved
Dynamic, the moving distance of two grip blocks is consistent, to guarantee that the center of bearing is constant, avoids motor shaft from generating bearing inclined
Oblique active force.
Detailed description of the invention
Fig. 1 is status diagram when pumping inactive in motor power assembly embodiment of the present invention；
Fig. 2 is the status diagram in motor power assembly embodiment of the present invention after pump startup；
Fig. 3 is the cooperation schematic diagram of brake device for electrical machinery and motor shaft in motor power assembly embodiment of the present invention；
Fig. 4 is the cooperation schematic diagram of motor power assembly embodiment bottom bracket and bearing of the present invention；
Fig. 5 is the use state diagram of Telescopic spanner in motor power assembly embodiment of the present invention；
Fig. 6 is the cooperation schematic diagram of electric machine casing and the pump housing in motor power assembly embodiment of the present invention.
Specific embodiment
The implementation of motor power assembly is for example shown in Fig. 1 ~ 6: including motor 37 and pump 36, pump 36 includes having in cylindrical hole
The pump housing 2 of chamber, it is elliptoid rotor 5 that pivot center extends along the longitudinal direction, cross section is provided in the pump housing 2, rotor 5
Cross section and bore tool are provided with hole on the pump housing, guiding movement is equipped with one end and rotor outer periphery at hole there are two point of contact
The partition 9 for being used to for being separated into hole inlet 8, liquid outlet 1 of face sliding pushing tow cooperation, cylindrical hole inner cavity is also separated by partition 9
At the low pressure chamber 11 with 8 connection of inlet and the high pressure chest 3 with 1 connection of liquid outlet, the major diameter direction both ends of rotor are provided with connection
The Oil Guide channel 7 of logical rotor circumferential direction two sides, the major diameter direction for extending perpendicularly to rotor 5 in Oil Guide channel.The both ends of rotor
It is additionally provided with the pilot hole that guide direction extends along the major diameter direction of rotor, movement is individually directed in two pilot holes and is equipped with envelope
Sprue 4, each plugging block 4 is corresponding with corresponding Oil Guide channel 7 respectively, and Oil Guide channel is mutually to hang down with plugging block moving direction
Straight linear type channel, plugging block has in its shift motion gets out of the way the first position in corresponding Oil Guide channel 7 and in centrifugal force
The second position in corresponding Oil Guide channel 7 is moved and blocked under effect outwardly, use corresponding with each plugging block is provided on rotor 5
Plugging block is forced be in the spring of first position in applying active force to corresponding plugging block, spring is is set in the present embodiment
Pressure spring 6 on the outside of plugging block, the outside end of plugging block are provided with gasket seal, gasket seal can guarantee with outside Oil Guide channel
The sealing of side wall cooperates.It when motor is inactive, is acted on by pressure spring 6, each plugging block is in and gets out of the way the first of corresponding Oil Guide channel
As shown in Figure 1, motor is in incipient start-up course, rotor speed is smaller for position, and the centrifugal force of plugging block is not enough to overcome
The active force of pressure spring, therefore Oil Guide channel is always to be connected, the pressure of rotor circumferential direction two sides is identical, the resistance that rotor motion is subject to
Power is just smaller, and low-load starting may be implemented, and low-power machine can realize the load starting of rotor, reach in rotor speed
After certain speed, such as after motor speed reaches 1000r/min, the centrifugal force of rotor overcomes the elastic force of pressure spring, plugging block to
Outer movement and by Oil Guide passage plugging, pump and normal fuel injection can be achieved.In actual use, can according to requirements, it is suitable to select
Spring or adjust the preload amount of spring normal fuel injection may be implemented to adjust motor in what revolving speed.
Motor includes the electric machine casing 12 connecting with the pump housing, arranges before and after electric machine casing 12, the pump housing 2, sets in electric machine casing
It is equipped with the motor shaft 18 that pivot center extends along the longitudinal direction, dynamic sealing mechanism 30 is provided between motor shaft 18 and the pump housing 2, electricity
The front side of dynamic sealing mechanism 30 is provided with drain nut 32 on arbor 18, is evenly distributed on the outer edge of drain nut 32
There are multiple notches 33.Annular groove 34 corresponding with drain nut 32 is provided on electric machine casing, annular groove 34 is in dynamic
The front side of sealing mechanism, the bottom of annular groove 34 are provided with drainage hole 35, and the upper end of electric machine casing is provided with air inlet 31, into
Stomata 31 is in the front side of dynamic sealing mechanism 30, and breather cheek valve is provided at air inlet 31, and gas can enter through the external world, but
It is that internal liquid cannot be discharged through breather cheek valve.The liquid sucting port 10 with high pressure chest connection, liquid sucting port are provided on the pump housing
Liquid non-return valve is provided at 10, liquid can enter the pump housing through liquid sucting port, but cannot be discharged through liquid sucting port, liquid sucting port 10
It is connect with drainage hole 35 by hose.In normal use, dynamic sealing mechanism may fail power assembly, at this time the liquid in pump
Pressure oil can be through flow direction motor between dynamic sealing mechanism and motor shaft, after hydraulic oil flows on drain nut 32,32 quilt of hydraulic oil
Get rid of into annular groove 34, and annular groove 34 then through drainage hole 35, liquid sucting port 10 and pump low pressure chamber be connected, leakage it is hydraulic
Oil can be drawn into low pressure chamber again, participate in the pump oil of next stage.
Motor further includes the brake device for electrical machinery for braking to motor shaft, and brake device for electrical machinery is as shown in Figure 3: packet
The brake units 13 of multiple circumferentially spaced arrangements are included, each brake units 13 include can be along motor shaft radial floating by spring
Brake shoes 16, brake units further include the fixation steel disc 14 being oppositely arranged with brake shoes, between brake shoes 16 and electric machine casing
It is provided with tripping spring 15, electromagnetic coil is provided in brake shoes 16, electromagnetic coil is electrically connected with the supply lines of motor.Figure middle term
17 indicate spring guide cylinders, and in motor normal power supply, electromagnetic coil, which is powered, generates magnetic force and attracting with fixed steel disc 14, with this
Overcome tripping spring active force, brake shoes is not contacted with motor shaft, each to brake by the effect of tripping spring when motor power-off
Block contacts with motor shaft and realizes friction catch.Entire brake units are arranged on fixed electric machine casing, rather than
It is arranged on motor shaft, when motor shaft normal rotation does not need to expend more loads, facilitates energy conservation, while to electromagnetic coil
Power supply also becomes to be more easier, and whole device is easy to accomplish, and is not easy to break down.
General bearing block is provided in the end of electric machine casing, general bearing block is adapted to the electricity of plurality of specifications size
Arbor, basic structure are as follows: bearing block includes frame-shaped body 21, and the clamping list of a pair of opposing is provided on frame-shaped body
Member, two each clamping units are referred to as clamping unit 20 and lower clamping unit 19, include and frame shape sheet per each clamping unit
The screw rod 23 that body is threadedly coupled, the screw flight of upper and lower clamping unit is oppositely oriented and is coaxially set, and the inner end of screw rod is set
It is equipped with grip block 24, screw rod can be rotated relative to grip block, gripped between two grip blocks for matching with motor shaft 18
The bearing 25 of conjunction.It is provided on the screw rod of upper clamping unit and the screw rod of lower clamping unit and the setting of screw coaxial line and aperture phase
Pair driving hole.Bearing block further includes the Telescopic spanner for adjusting distance between the grip block of upper and lower clamping unit, flexible to pull
Hand includes the first spanner 53 and the second spanner 54 of expansion fit, can be by expansion fit the first spanner 53, the second spanner 54
It is relatively moved in the axial direction of screw rod, realizes that the first spanner, the hole of the second spanner expansion fit, axis are square hole, square shaft, therefore first
Also with respect to rotation stop between spanner, the second spanner, the first spanner has for matching with the driving hole rotation stop grafting in upper clamping unit
The first inserted terminal 52 closed, the second spanner have for second grafting mating with the driving hole rotation stop in lower clamping unit
End 55.The force-application block 57 held for operator is provided on first spanner 53.In use, the entirety for first shortening Telescopic spanner is long
Degree, Telescopic spanner is moved between two grip blocks, the upper end of the first spanner is inserted into the biography of the screw rod of upper clamping unit
In dynamic hole, the lower end of the second spanner being inserted into the driving hole of the screw rod of lower clamping unit, operator exerts a force to force-application block,
First spanner drives the second spanner to rotate together, and then drives two same angular turns of screw rod, the relative movement of two grip blocks or
The distance of relative movement is consistent, therefore can guarantee no matter how general bearing block adjusts, and can guarantee the centre bit of bearing
It sets constant, prevents motor axis deviation and cause bearing wear very fast.In other embodiments of the invention, Telescopic spanner can also be with
Not as technical solution a part of bearing block, such as in addition Telescopic spanner can be sold separately；The logarithm of clamping unit is also
Can there are two pairs, three pairs or other logarithms.
As illustrated in figures 4-5, the specific structure of bearing block and above-mentioned each motor power are total for the embodiment of bottom bracket of the present invention
Identical at bearing block as described in the examples, this will not be detailed here.
Claims (4)
1. motor power assembly, including motor and pump, motor includes bearing block and motor shaft, and bearing block includes frame-shaped body, frame
At least a pair of of clamping unit is provided on shape ontology, it is characterised in that: each clamping unit in each pair of clamping unit include with
The screw rod that frame-shaped body is threadedly coupled, the inner end of each screw rod rotates the grip block being provided with for clamping corresponding bearing, each pair of
The screw coaxial line of each clamping unit in clamping unit is arranged and thread rotary orientation is on the contrary, two clampings of each pair of clamping unit are single
The driving hole that aperture is opposite and is arranged with screw coaxial line is provided on the screw rod of member, pump includes the pump with cylindrical hole inner cavity
Body, it is elliptoid rotor, the cross section of rotor and column that pivot center extends along the longitudinal direction, cross section is provided in the pump housing
Shape inner hole tool is provided with hole on the pump housing there are two point of contact, and guiding movement is equipped with one end and rotor outer periphery face and slides pushing tow at hole
The partition for being used to for being separated into hole inlet, liquid outlet of cooperation, cylindrical hole inner cavity is also separated into and inlet connection by partition
Low pressure chamber and high pressure chest with liquid outlet connection, the major diameter direction both ends of rotor are provided with the Oil Guide of connection rotor circumferential direction two sides
Channel, the major diameter direction for extending perpendicularly to rotor in Oil Guide channel, the both ends of rotor are additionally provided with guide direction along rotor
The pilot hole that extends of major diameter direction, be individually directed in two pilot holes it is mobile be equipped with plugging block, each plugging block is respectively and respectively
Self-corresponding Oil Guide channel is corresponding, and Oil Guide channel is the linear type channel perpendicular with plugging block moving direction, and plugging block exists
There is the first position for getting out of the way corresponding Oil Guide channel in its shift motion and move outwardly under the action of the centrifugal force and block correspondence
The second position in Oil Guide channel, be provided on rotor it is corresponding with each plugging block for corresponding plugging block application active force and
Plugging block is forced to be in the spring of first position.
2. motor power assembly according to claim 1, it is characterised in that: bearing block further includes Telescopic spanner, flexible to pull
Hand includes can stretch upwards in corresponding screw shaft the first spanner and the second spanner of rotation stop cooperation, the first spanner have for it is every
First inserted terminal mating to the driving hole rotation stop in one of clamping unit in clamping unit, the second spanner have
For second inserted terminal mating with the driving hole rotation stop in another clamping unit.
3. motor power assembly according to claim 2, it is characterised in that: the first spanner, the second spanner are by being plugged on
Square hole square axle structure together realizes rotation stop cooperation.
4. motor power assembly according to claim 2 or 3, it is characterised in that: be provided on the first spanner for operator
The hand-held force-application block of member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710751073.8A CN107317425B (en) | 2017-08-28 | 2017-08-28 | Motor power assembly and its bearing block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710751073.8A CN107317425B (en) | 2017-08-28 | 2017-08-28 | Motor power assembly and its bearing block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107317425A CN107317425A (en) | 2017-11-03 |
| CN107317425B true CN107317425B (en) | 2019-08-16 |
Family
ID=60176104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710751073.8A Active CN107317425B (en) | 2017-08-28 | 2017-08-28 | Motor power assembly and its bearing block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107317425B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204106279U (en) * | 2014-03-18 | 2015-01-21 | 张群群 | A kind of motorized adjustment neck brace structure |
| CN104901463A (en) * | 2015-05-20 | 2015-09-09 | 遵义天义利威机电有限责任公司 | Motor end cap |
| CN205571445U (en) * | 2016-05-07 | 2016-09-14 | 绍兴利安电气有限公司 | Lathe fixture |
| CN106942013A (en) * | 2017-04-13 | 2017-07-14 | 温州职业技术学院 | A kind of wooden support meanss of two V shape saplings |
-
2017
- 2017-08-28 CN CN201710751073.8A patent/CN107317425B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204106279U (en) * | 2014-03-18 | 2015-01-21 | 张群群 | A kind of motorized adjustment neck brace structure |
| CN104901463A (en) * | 2015-05-20 | 2015-09-09 | 遵义天义利威机电有限责任公司 | Motor end cap |
| CN205571445U (en) * | 2016-05-07 | 2016-09-14 | 绍兴利安电气有限公司 | Lathe fixture |
| CN106942013A (en) * | 2017-04-13 | 2017-07-14 | 温州职业技术学院 | A kind of wooden support meanss of two V shape saplings |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107317425A (en) | 2017-11-03 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190716 Address after: Room 869, Building No. 1, 5500 Yuanjiang Road, Minhang District, Shanghai, 201100 Applicant after: Tuohong Trading (Shanghai) Co., Ltd. Address before: 450001 Science Avenue Shenglong Yicheng District A Building, Zhengzhou City, Henan Province Applicant before: Ma Laixun |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 869, Building No. 1, 5500 Yuanjiang Road, Minhang District, Shanghai, 201100 Patentee after: Shanghai tuohong Machinery Technology Co., Ltd Address before: Room 869, Building No. 1, 5500 Yuanjiang Road, Minhang District, Shanghai, 201100 Patentee before: Tuohong Trading (Shanghai) Co.,Ltd. |