CN107317425A - Motor power assembly and its bearing block - Google Patents
Motor power assembly and its bearing block Download PDFInfo
- Publication number
- CN107317425A CN107317425A CN201710751073.8A CN201710751073A CN107317425A CN 107317425 A CN107317425 A CN 107317425A CN 201710751073 A CN201710751073 A CN 201710751073A CN 107317425 A CN107317425 A CN 107317425A
- Authority
- CN
- China
- Prior art keywords
- spanner
- grip unit
- grip
- pair
- bearing block
- 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.)
- Granted
Links
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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention relates to a kind of motor power assembly and its bearing block, motor power assembly includes motor, motor includes bearing block and motor shaft, bearing block includes frame-shaped body, at least one pair of grip unit is provided with frame-shaped body, each grip unit in each pair grip unit includes the screw rod being threadedly coupled with frame-shaped body, the inner of each screw rod rotates the grip block being provided with for clamping corresponding bearing, the screw coaxial line of each grip unit in each pair grip unit is set and thread rotary orientation is opposite, the driving hole that aperture is set relatively and with screw coaxial line is provided with the screw rod of two grip units of each pair grip unit.The invention provides can ensure the constant bearing block in bearing centre position during a kind of adjustment of screw rod.
Description
Technical field
The present invention relates to a kind of motor power assembly and its bearing block.
Background technology
Chinese patent CN104901463B is disclosed " a kind of electric motor end cap ", and the electric motor end cap includes end cap body and setting
Bearing block on end cap body, bearing block includes frame-shaped body, circumferentially distributed on frame-shaped body to have two pairs of screw rods, in each spiral shell
The inner of bar is rotatably equipped with grip block, and the bearing coordinated with motor shaft is clamped and fastened between each grip block.When need
During motor shaft with different-diameter, also need to change corresponding bearing, each screw rod of rotation adjustment is now accomplished by, to adjust each clamping
The spacing of block is to match corresponding bearing.Existing this bearing block has problems in that：Two screw rods per centering are being adjusted
It is separate when whole, this may twist the situation of half-turn less in the presence of stubborn half-turn more than a screw rod or another screw rod,
This will cause bearing final position not to be that, in center, motor shaft can produce bias force to bearing and influence to cause axle
Hold abrasion comparatively fast, influence the service life of bearing.
The content of the invention
It is an object of the invention to provide can ensure the constant bearing block in bearing centre position during a kind of adjustment of screw rod；This
The purpose of invention, which is also resided in, provides a kind of motor power assembly using the bearing block.
In order to solve the above technical problems, the technical scheme 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-shaped body
On each grip unit for being provided with least one pair of grip unit, each pair grip unit include what is be threadedly coupled with frame-shaped body
Screw rod, the inner each clamping rotated in the grip block being provided with for clamping corresponding bearing, each pair grip unit of each screw rod
The screw coaxial line of unit is set and thread rotary orientation on the screw rod of two grip units of each pair grip unit on the contrary, be provided with hole
The driving hole that mouth is set relatively and with screw coaxial line.
Bearing block also include Telescopic spanner, Telescopic spanner include can correspondence screw shaft upwards stretch rotation stop coordinate first
Spanner and the second spanner, the first spanner, which has, to be used to stop with the driving hole in one of grip unit in each pair grip unit
Turn the first inserted terminal of grafting cooperation, the second spanner, which has, to be used to match somebody with somebody with the driving hole rotation stop grafting in another grip unit
The second inserted terminal closed.
First spanner, the second spanner realize that rotation stop coordinates by the square hole square axle structure being plugged in together.
It is provided with first spanner for the hand-held force-application block of operating personnel.
The technical scheme of bottom bracket of the present invention is：At least one is provided with bearing block, including frame-shaped body, frame-shaped body
To grip unit, each grip unit in each pair grip unit includes the screw rod being threadedly coupled with frame-shaped body, each screw rod
The inner screw coaxial for rotating each grip unit in the grip block being provided with for clamping corresponding bearing, each pair grip unit
Line is set and thread rotary orientation is on the contrary, be provided with that aperture is relative and and screw rod on the screw rod of two grip units of each pair grip unit
The driving hole being coaxially set.
Bearing block also include Telescopic spanner, Telescopic spanner include can correspondence screw shaft upwards stretch rotation stop coordinate first
Spanner and the second spanner, the first spanner, which has, to be used to stop with the driving hole in one of grip unit in each pair grip unit
Turn the first inserted terminal of grafting cooperation, the second spanner, which has, to be used to match somebody with somebody with the driving hole rotation stop grafting in another grip unit
The second inserted terminal closed.
First spanner, the second spanner realize that rotation stop coordinates by the square hole square axle structure being plugged in together.
It is provided with first spanner for the hand-held force-application block of operating personnel.
Beneficial effects of the present invention are：In the present invention, different volumes is adapted to when needing to adjust the spacing of two grip blocks
During bearing, the driving hole rotation stop inserting on a screw rod in the first spanner and a pair of grip units of Telescopic spanner is flexible to pull
Second spanner of hand and the driving hole rotation stop inserting on the screw rod of another grip unit, then rotate Telescopic spanner, first
Spanner, the second spanner synchronous axial system, the first spanner, the second spanner drive two screw rod synchronous axial systems in a pair of grip units,
Because two screw flights in a pair of grip units are oppositely oriented, therefore that two screw rods can be synchronous is relative or moved
Dynamic, the displacement of two grip blocks is consistent, so as to ensure that the center of bearing is constant, it is to avoid motor shaft produces inclined to bearing
Oblique active force.
Brief description of the drawings
Fig. 1 is view when pump is not actuated in motor power assembly embodiment of the present invention；
Fig. 2 is the view after pump startup in motor power assembly embodiment of the present invention；
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 of the present invention and bearing；
Fig. 5 is the use state schematic 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.
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
Pivot center extends along the longitudinal direction, cross section is provided with the pump housing 2 of chamber, the pump housing 2 for elliptoid rotor 5, rotor 5
Cross section and bore, which have, to be provided with guiding movement at hole, hole on two point of contacts, the pump housing and is equipped with one end and rotor outer periphery
The dividing plate 9 for being used to being separated into hole into inlet 8, liquid outlet 1 that pushing tow coordinates is slided in face, and cylindrical hole inner chamber is also separated by dividing plate 9
Into the low pressure chamber 11 with the UNICOM of inlet 8 and the high pressure chest 3 with the UNICOM of liquid outlet 1, the major diameter direction of rotor is provided at both ends with connection
The Oil Guide passage 7 of the logical circumferential both sides of rotor, the major diameter direction for extending perpendicularly to rotor 5 of Oil Guide passage.The two ends of rotor
It is additionally provided with the pilot hole of major diameter direction extension of the guide direction along rotor, two pilot holes and is individually directed mobile be equipped with
Plugging block 4, each plugging block 4 is corresponding with each self-corresponding Oil Guide passage 7 respectively, and Oil Guide passage is and plugging block moving direction phase
Vertical linear pattern passage, plugging block has the first position for getting out of the way correspondence Oil Guide passage 7 and centrifuged in its shift motion
Move and block outwardly under power effect be provided with the second place of correspondence Oil Guide passage 7, rotor 5 it is corresponding with each plugging block
Spring of the plugging block in first position is forced for applying active force to correspondence plugging block, spring is setting in the present embodiment
Stage clip 6 on the outside of plugging block, the outer end end of plugging block is provided with gasket seal, and gasket seal can ensure and Oil Guide passage
The sealing of lateral wall coordinates.When motor is not actuated, acted on by stage clip 6, each plugging block, which is in, gets out of the way the of correspondence Oil Guide passage
One position is as shown in figure 1, motor is in incipient start-up course, and rotor speed is smaller, and the centrifugal force of plugging block is not enough to gram
The active force of stage clip is taken, therefore Oil Guide passage is always conducting, the pressure of rotor circumference both sides is identical, what rotor motion was subject to
Resistance is just smaller, it is possible to achieve low-load starts, and low-power machine can just realize that the load of rotor starts, and be arrived in rotor speed
Up to after certain speed, such as motor speed is reached after 1000r/min, and the centrifugal force of rotor overcomes the elastic force of stage clip, plugging block
It is displaced outwardly and by Oil Guide passage plugging, pump can realize normal fuel injection.When actual use, it can select to close according to requirements
Suitable spring adjusts the pretension amount of spring and carrys out regulation motor and what rotating speed can realize normal fuel injection at.
Motor includes arranging before and after the electric machine casing 12 being connected with the pump housing, electric machine casing 12, the pump housing 2, set in electric machine casing
The motor shaft 18 that pivot center extends along the longitudinal direction is equipped with, 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 discharge opeing nut 32 on arbor 18, is evenly distributed on the outward flange of discharge opeing nut 32
There are multiple breach 33.The annular groove 34 corresponding with discharge opeing nut 32 is provided with electric machine casing, annular groove 34 is in dynamic
The front side of sealing mechanism, the bottom of annular groove 34 is provided with outage 35, and the upper end of electric machine casing is provided with air admission hole 31, entered
Stomata 31, which is at the front side of dynamic sealing mechanism 30, air admission hole 31, is provided with breather cheek valve, 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 UNICOM, liquid sucting port are provided with the pump housing
Liquid non-return valve is provided with 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 connected with outage 35 by flexible pipe.Power assembly normal in use, dynamic sealing mechanism may fail, the now liquid in pump
Force feed can be through flow direction motor between dynamic sealing mechanism and motor shaft, after hydraulic oil is flowed on discharge opeing nut 32, the quilt of hydraulic oil 32
Get rid of into annular groove 34, and annular groove 34 is then connected through outage 35, liquid sucting port 10 and the low pressure chamber of pump, the hydraulic pressure of leakage
Oil can be drawn into low pressure chamber again, participate in the pump oil of next stage.
Motor also includes the brake device for electrical machinery for being used to brake to motor shaft, and brake device for electrical machinery is as shown in Figure 3：Bag
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 also include the fixation steel disc 14 that is oppositely arranged with brake shoes, between brake shoes 16 and electric machine casing
It is provided with tripping spring 15, brake shoes 16 and is provided with magnet coil, magnet coil is electrically connected with the supply lines of motor.Figure middle term
17 represent spring guide cylinders, in motor normal power supply, and magnet coil, which is powered, produces magnetic force and attracting with fixed steel disc 14, with this
Overcome tripping spring active force, brake shoes is not contacted with motor shaft, when motor is powered off, acted on by tripping spring, each brake
Block contacts with motor shaft and realizes friction catch.Whole brake units are arranged on fixed electric machine casing, rather than
It is arranged on motor shaft, more loads need not be expended during motor shaft normal rotation, contribute to energy-conservation, while to magnet coil
Power supply also becomes to be more prone to, and whole device is easily realized, and is not easy to break down.
General bearing block is provided with the end of electric machine casing, general bearing block is adapted to the electricity of plurality of specifications size
Arbor, its basic structure is：Bearing block includes the clamping list that a pair of opposing is provided with frame-shaped body 21, frame-shaped body
Member, two each grip units are referred to as grip unit 20 and lower grip unit 19, include and frame shape sheet per each grip unit
The screw rod 23 of body threaded connection, the screw flight of upper and lower grip unit is oppositely oriented and is coaxially set, and the inner of screw rod is set
Grip block 24 is equipped with, screw rod can be rotated relative to grip block, has been gripped between two grip blocks for matching somebody with somebody with motor shaft 18
The bearing 25 of conjunction.It is provided with and is set and aperture phase with screw coaxial line on the screw rod of upper grip unit and the screw rod of lower grip unit
To driving hole.The Telescopic spanner of distance, flexible to pull between grip block of the bearing block also including being used to adjust upper and lower grip unit
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
Relatively moved in the axial direction of screw rod, realize that the first spanner, the hole of the second spanner expansion fit, axle are square hole, square shaft, therefore first
Also with respect to rotation stop between spanner, the second spanner, the first spanner, which has, to be used to match somebody with somebody with the driving hole rotation stop grafting in upper grip unit
The first inserted terminal 52 closed, the second spanner has the second grafting for being used for coordinating with the driving hole rotation stop grafting in lower grip unit
End 55.It is provided with first spanner 53 for the hand-held force-application block 57 of operating personnel.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 grip unit
In dynamic hole, in the driving hole that the lower end of the second spanner is inserted into the screw rod of lower grip unit, operating personnel exert 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 ensure no matter how general bearing block adjusts, and can ensure the centre bit of bearing
Put constant, prevent motor axis deviation and cause bearing wear very fast.In other embodiments of the invention, Telescopic spanner can also
Not as a technical scheme part for bearing block, such as Telescopic spanner can be sold separately in addition；The logarithm of grip unit is also
Can there are two pairs, three pairs or other logarithms.
As illustrated in figures 4-5, the concrete structure of bearing block and above-mentioned each motor power are total for the embodiment of bottom bracket of the present invention
It is identical into the bearing block described in embodiment, it will not be described in detail herein.
Claims (8)
1. motor power assembly, including motor, motor include bearing block and motor shaft, bearing block includes frame-shaped body, frame shape sheet
At least one pair of grip unit is provided with body, it is characterised in that：Each grip unit in each pair grip unit includes and frame shape
The screw rod of body threaded connection, the inner of each screw rod rotates the grip block being provided with for clamping corresponding bearing, each pair clamping
The screw coaxial line of each grip unit in unit is set and thread rotary orientation is on the contrary, two grip units of each pair grip unit
The driving hole that aperture is set relatively and with screw coaxial line is provided with screw rod.
2. motor power assembly according to claim 1, it is characterised in that：Bearing block also includes Telescopic spanner, flexible to pull
Hand include can correspondence screw shaft upwards stretch rotation stop coordinate the first spanner and the second spanner, the first spanner have be used for it is every
The first inserted terminal coordinated the driving hole rotation stop grafting in one of grip unit in grip unit, the second spanner has
For the second inserted terminal coordinated with the driving hole rotation stop grafting in another grip unit.
3. motor power assembly according to claim 2, it is characterised in that：First spanner, the second spanner are by being plugged on
Square hole square axle structure together realizes that rotation stop coordinates.
4. the motor power assembly according to right 2 or 3, it is characterised in that：It is provided with first spanner for operating personnel's hand
The force-application block held.
5. at least one pair of grip unit is provided with bearing block, including frame-shaped body, frame-shaped body, it is characterised in that：Each pair is pressed from both sides
The screw rod that each grip unit in unit includes being threadedly coupled with frame-shaped body is held, inner rotate of each screw rod is provided with use
The screw coaxial line of each grip unit in the grip block for clamping corresponding bearing, each pair grip unit is set and thread rotary orientation phase
Instead, the transmission that aperture is set relatively and with screw coaxial line is provided with the screw rod of two grip units of each pair grip unit
Hole.
6. bearing block according to claim 5, it is characterised in that：Bearing block also includes Telescopic spanner, and Telescopic spanner includes
The first spanner and the second spanner that the rotation stop that can upwards be stretched in correspondence screw shaft coordinates, the first spanner, which has, to be used to clamp with each pair
The first inserted terminal that driving hole rotation stop grafting in one of grip unit in unit coordinates, the second spanner have be used for
The second inserted terminal that driving hole rotation stop grafting in another grip unit coordinates.
7. bearing block according to claim 6, it is characterised in that：First spanner, the second spanner are by being plugged in together
Square hole square axle structure realizes that rotation stop coordinates.
8. the bearing block according to claim 6 or 7, it is characterised in that：It is provided with first spanner hand-held for operating personnel
Force-application block.
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 true CN107317425A (en) | 2017-11-03 |
| CN107317425B 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 |
|---|---|
| CN107317425B (en) | 2019-08-16 |
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| 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 | ||
| 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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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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. |
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| CP01 | Change in the name or title of a patent holder |