CN107492975B - Bearing block and the motor power assembly for using the bearing block - Google Patents
Bearing block and the motor power assembly for using the bearing block Download PDFInfo
- Publication number
- CN107492975B CN107492975B CN201710751074.2A CN201710751074A CN107492975B CN 107492975 B CN107492975 B CN 107492975B CN 201710751074 A CN201710751074 A CN 201710751074A CN 107492975 B CN107492975 B CN 107492975B
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- CN
- China
- Prior art keywords
- clamping unit
- rotor
- bearing block
- screw rod
- pair
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- 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.)
- Expired - Fee Related
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention relates to a kind of bearing block and use the motor power assembly of the bearing block, 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 torque input structure for cooperating with the corresponding vertical bar rotation stop of corresponding adjustment spanner is provided on each screw rod in each pair of clamping unit.The present invention provides can guarantee the constant bearing block in bearing centre position and using the motor power assembly of the bearing block when a kind of adjustment of screw rod.
Description
Technical field
The present invention relates to a kind of bearing block and use the motor power assembly of the bearing block.
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 bottom bracket of the present invention is as follows:
A kind of bearing block, including frame-shaped body are provided at least a pair of of clamping unit on frame-shaped body, and each pair of clamping is singly
Each clamping unit in member includes the screw rod being threadedly coupled with frame-shaped body, and the inner end of each screw rod rotates and is provided with for pressing from both sides
Hold the grip block of corresponding bearing, the setting of the screw coaxial line of each clamping unit in each pair of clamping unit and thread rotary orientation on the contrary,
It is provided on each screw rod in each pair of clamping unit for defeated with the torque of the corresponding vertical bar rotation stop cooperation of corresponding adjustment spanner
Enter structure.
Bearing block includes the adjustment spanner, and adjustment spanner includes that cross bar and two fill along cross bar extending direction guiding movement
Assigned in the vertical bar on the cross bar.
Clamping unit has a pair.
Torque input structure is the axis and the perpendicular vertical bar jack of screw axis for being set to corresponding screw rod outer end.
The technical solution of motor power assembly in the present invention are as follows:
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 be arranged and thread rotary orientation on the contrary, be provided on each screw rod in each pair of clamping unit for
The torque input structure of the correspondence vertical bar rotation stop cooperation of corresponding adjustment spanner.
Bearing block includes the adjustment spanner, and adjustment spanner includes that cross bar and two fill along cross bar extending direction guiding movement
Assigned in the vertical bar on the cross bar.
Clamping unit has a pair.
Torque input structure is the axis and the perpendicular vertical bar jack of screw axis for being set to corresponding screw rod outer end.
The invention has the benefit that with two screw coaxial lines in a pair of clamping unit and screw thread revolves in the present invention
To on the contrary, applying torque to two each clamping units simultaneously by adjusting two vertical bars of spanner when using, with a pair of clamping unit
In two screw rods rotation angle it is identical, therefore the relative movement that can synchronize with two grip blocks in a pair of of clamping unit or
It is moved away from, is not in mobile more, another movement a few situation, therefore can guarantee the center of bearing
It is constant, avoid motor shaft from generating bias force to bearing.
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 shaft and bearing block in motor power assembly embodiment of the present invention；
Fig. 5 is the structural schematic diagram that spanner is adjusted in motor power assembly embodiment of the present invention；
Fig. 6 is the side view of Fig. 5；
Fig. 7 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 ~ 7: 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
Plugging block 4, each plugging block 4 is corresponding with corresponding Oil Guide channel 7 respectively, and Oil Guide channel is and plugging block moving direction phase
Vertical linear type channel, plugging block have the first position for getting out of the way corresponding Oil Guide channel 7 and are being centrifuged in its shift motion
The second position in corresponding Oil Guide channel 7 is moved and blocked under power effect outwardly, is provided on rotor 5 corresponding with each plugging block
Plugging block is forced be in the spring of first position for applying active force to corresponding plugging block, spring is to be arranged in the present embodiment
Pressure spring 6 on the outside of plugging block, the outside end of plugging block are provided with gasket seal, and gasket seal can guarantee and Oil Guide channel
The sealing of lateral wall cooperates.It when motor is inactive, is acted on by pressure spring 6, each plugging block, which is in, gets out of the way the of corresponding Oil Guide channel
As shown in Figure 1, motor is in incipient start-up course, rotor speed is smaller for one position, and the centrifugal force of plugging block is not enough to gram
The active force of pressure spring is taken, therefore Oil Guide channel is always to be connected, the pressure of rotor circumferential direction two sides is identical, what rotor motion was subject to
Resistance is just smaller, and low-load starting may be implemented, and low-power machine can realize the load starting of rotor, arrive in rotor speed
Up to 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
It is displaced outwardly Oil Guide passage plugging, pumps and normal fuel injection can be achieved.In actual use, it can select to close according to requirements
Suitable spring adjusts 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.The upper end of the screw rod of upper clamping unit is provided with the upper vertical bar jack 22 axially vertical with screw rod, lower bearing list
The lower end of the screw rod of member is provided with the lower vertical bar jack 50 axially vertical with screw rod, and upper and lower vertical bar jack respectively constitutes two spiral shells
The torque input structure of bar.Bearing block further includes the adjustment spanner for adjusting distance between the grip block of upper and lower clamping unit,
Adjust spanner as seen in figs. 5-6 comprising cross bar 27 and two can be along the vertical bar 26 of 27 extending direction guiding movement of cross bar, vertical bars
26 are slidably matched by the T shape end 28 of its end and the guiding of T-slot 29 on cross bar 27, in use, two vertical bars 26 of adjustment
Position, two vertical bars are respectively inserted in the correspondence vertical bar jack of upper and lower clamping unit, then move cross bar around the axis of screw rod
Line rotation, cross bar drive two vertical bars to swing, to drive each screw rod to rotate, to realize the grip block of upper and lower clamping unit
Relative movement adjustment is moved away from adjustment, and to match the bearing of different-diameter, which is had the beneficial effect that, two spiral shells
The rotational angle of bar is consistent, therefore the moving distance of the grip block of upper and lower clamping unit is consistent, this is ensured that
No matter how general bearing block adjusts, and can guarantee that the center of bearing is constant, prevents motor axis deviation and causes bearing
Abrasion is very fast.In other embodiments of the invention, adjustment spanner can also not as bearing block technical solution a part, than
Such as say in addition adjustment spanner can be sold separately；Torque input structure on screw rod is also possible to flat head structure, at this time can be
Driving groove with the cooperation of flat head structure rotation stop is set on vertical bar；The logarithm of clamping unit can also have two pairs, three pairs or other right
Number.
The implementation of bearing block is for example shown in Fig. 4 ~ 6: the specific structure of bearing block and above-mentioned each motor power assembly embodiment
Described in bearing block it is identical, 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, on each screw rod in each pair of clamping unit
It is provided with the torque input structure for cooperating with the corresponding vertical bar rotation stop of corresponding adjustment spanner, pump includes having in cylindrical hole
The pump housing of chamber, it is elliptoid rotor that pivot center extends along the longitudinal direction, cross section is provided in the pump housing, rotor it is transversal
Face and bore tool are provided with hole on the pump housing, it is sliding to be equipped with one end and rotor outer periphery face for guiding movement at hole there are two point of contact
Dynamic pushing tow cooperation for hole to be separated into the partition of inlet, liquid outlet, cylindrical hole inner cavity is also separated into and feed liquor by partition
The low pressure chamber of mouthful connection and high pressure chest with liquid outlet connection, the major diameter direction both ends of rotor are provided with connection rotor circumferential direction two sides
Oil Guide 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 the pilot hole of the major diameter direction of rotor extension, it is individually directed movement in two pilot holes and is equipped with plugging block, each plugging block point
Not corresponding with corresponding Oil Guide channel, Oil Guide channel is the linear type channel perpendicular with plugging block moving direction, envelope
Sprue has the first position for getting out of the way corresponding Oil Guide channel in its shift motion and moves and seal outwardly under the action of the centrifugal force
The second position in corresponding Oil Guide channel is blocked up, is provided on rotor corresponding with each plugging block for applying work to corresponding plugging block
Plugging block is firmly forced to be in the spring of first position.
2. motor power assembly according to claim 1, it is characterised in that: bearing block includes the adjustment spanner, adjustment
Spanner includes cross bar and two vertical bars being assemblied on the cross bar along cross bar extending direction guiding movement.
3. motor power assembly according to claim 1, it is characterised in that: clamping unit has a pair.
4. motor power assembly described in any one according to claim 1 ~ 3, it is characterised in that: torque input structure is setting
Axis and the perpendicular vertical bar jack of screw axis in corresponding screw rod outer end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710751074.2A CN107492975B (en) | 2017-08-28 | 2017-08-28 | Bearing block and the motor power assembly for using the bearing block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710751074.2A CN107492975B (en) | 2017-08-28 | 2017-08-28 | Bearing block and the motor power assembly for using the bearing block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107492975A CN107492975A (en) | 2017-12-19 |
| CN107492975B true CN107492975B (en) | 2019-05-28 |
Family
ID=60645721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710751074.2A Expired - Fee Related CN107492975B (en) | 2017-08-28 | 2017-08-28 | Bearing block and the motor power assembly for using the bearing block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107492975B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708903B (en) * | 2018-07-24 | 2023-12-15 | 安徽利达汽车轴承制造有限公司 | Split bearing piece convenient to install |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100980508B1 (en) * | 2007-08-23 | 2010-09-06 | 주식회사 에스엠 엔터테인먼트 | .a support of camera for broadcasting |
| CN203887567U (en) * | 2014-04-01 | 2014-10-22 | 繁昌县昌盛轴承锻造厂 | Bearing inner ring clamp with fast centering structure |
| CN104901463B (en) * | 2015-05-20 | 2017-03-29 | 遵义天义利威机电有限责任公司 | A kind of electric motor end cap |
| CN105382687B (en) * | 2015-10-15 | 2017-05-17 | 江苏科技大学 | Multi-way truss joint grinding vector clamping device and method |
| CN105196213A (en) * | 2015-10-26 | 2015-12-30 | 贵州华阳电工有限公司 | Bearing riveting clamp |
-
2017
- 2017-08-28 CN CN201710751074.2A patent/CN107492975B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN107492975A (en) | 2017-12-19 |
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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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190429 Address after: 234200 Electrical and Mechanical Industrial Park, Northern Economic Development Zone, Lingbi County, Suzhou City, Anhui Province Applicant after: Suzhou Haina Baichuan Bearing Co., Ltd. Address before: 450001 Science Avenue Shenglong Yicheng District A Building, Zhengzhou City, Henan Province Applicant before: Ma Laixun |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190528 Termination date: 20200828 |