CN206092397U - Eccentric rotor compensation arrangement - Google Patents
Eccentric rotor compensation arrangement Download PDFInfo
- Publication number
- CN206092397U CN206092397U CN201620957377.0U CN201620957377U CN206092397U CN 206092397 U CN206092397 U CN 206092397U CN 201620957377 U CN201620957377 U CN 201620957377U CN 206092397 U CN206092397 U CN 206092397U
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- Prior art keywords
- rotor
- seal
- eccentric shaft
- end cap
- face
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Abstract
The utility model discloses an eccentric rotor compensation arrangement, include and install at the epaxial rotor of off -centre through the bearing that the eccentric shaft passes the end cover setting, the eccentric shaft in the end cover outside on the cover compensation piece is equipped with, the compensation piece is close to the end cover outside and sets up, and the focus of compensation piece to the focus of plumb line between the eccentric shaft and rotor to the plumb line between the eccentric shaft in the coplanar. The utility model discloses set up the compensator structure in the outside of pump, do not influence the structure of pump own, can effectively reduce or eliminate deflection distance, make the operation of pump more stable, reduce the damage of vibrations to the pump, the utility model discloses set up rotor end sealing mechanism, can be in the rotor working process, carry out dynamic seal to the tip, can stop outside impurity effectively and get into during the rotor reel shaft holds, guarantee that the pump all the time can efficient operation.
Description
Technical field
The utility model is related to a kind of compensation device of eccentric rotor, and in particular to a kind of eccentric rotor compensation device.
Background technology
In the middle of eccentric rotor class pump, rotor set be arranged on eccentric shaft on, rotor set around eccentric shaft turns process
In, will produce offset distance, form offset, this will make whole pump produce vibrations in operation process, vibrations can affect bearing with
And the sealing of the part such as end cap, situations such as causing to be let out in medium in pump, leak, it is unfavorable for that pump is steady in a long-term, efficiently works.
The content of the invention
For above-mentioned problems of the prior art, the purpose of this utility model is, there is provided a kind of eccentric rotor is mended
Device is repaid, the device can adjust the center of rotation position of rotor set, eliminate as much as offset, while also improving rotor and end cap
Partial sealing property.
In order to realize above-mentioned task, the utility model is employed the following technical solutions：
A kind of rotor eccentricity compensation device, including the rotor being arranged on by bearing on eccentric shaft, eccentric shaft passes through end cap
Arrange；Compensation block is set with eccentric shaft on the outside of described end cap, compensation block is arranged near end cap outside, and the weight of compensation block
The heart to the vertical line between eccentric shaft and rotor center of gravity to the vertical line between eccentric shaft in the same plane.
Further, described eccentric shaft stretches out one end of end cap and is connected with shaft coupling by flange, and shaft coupling is arranged on
On the output shaft of motor.
Further, there is gap between the end face and end cap of described rotor, on the end face of rotor seal be provided with,
Sealing ring is arranged around the shaft, elastic connection between seal and described end cap.
Further, elastic connection between described seal and the end face of rotor.
Further, described seal is the middle loop configuration with through hole.
Further, elastic component is provided with the end face of described rotor, described seal is arranged on by elastic component
On the end face of rotor, under the elastic force effect of elastic component, seal is attached on end cap.
Further, seal groove is along the circumferential direction offered on the end face of described rotor, described elastic component is arranged at
In seal groove, and the part of seal is located in seal groove.
Further, described seal is located at the part in seal groove and is in close contact with the side wall of seal groove.
Further, cross section pushing away in arc-shaped structure is along the circumferential direction offered on the upper surface of described seal
Groove, described elastic component adopts elastic ball.
The utility model has compared with prior art following technical characterstic：
1. the utility model arranges compensation mechanism in the outside of pump, does not affect this body structure of pump, can effectively reduce or disappear
Except offset distance, make the operating of pump more stable, reduce damage of the vibrations to pump；
2. the utility model is provided with rotor end seal mechanism, can carry out dynamic to end during working rotor
Sealing, can effectively prevent foreign matter in rotor or bearing, it is ensured that pump all the time can high-efficiency operation；
3. the utility model simple structure, it is convenient to install additional, reequip existing rotor structure, it is economical and practical, and use
Effect is good.
Description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the structural representation of compensation block；
Fig. 3 is the structural representation that seal and elastic component coordinate；
Fig. 4 is the structural representation of seal；
Label is represented in figure：1-end cap, 2-seal, 3-seal groove, 4-elastic component, 5-rotor, 6-bearing,
7-eccentric shaft, 8-push away groove, 9-compensation block, 10-flange, 11-shaft coupling, 12-through hole.
Specific embodiment
Above-mentioned technical proposal is deferred to, as shown in Figures 1 to 4, the utility model is filled there is provided a kind of eccentricity compensation of rotor 5
Put, including the rotor 5 being arranged on by bearing 6 on eccentric shaft 7, eccentric shaft 7 is arranged through end cap 1；The described outside of end cap 1
Compensation block 9 is set with eccentric shaft 7, compensation block 9 is arranged near the outside of end cap 1, and the center of gravity of compensation block 9 is between eccentric shaft 7
Vertical line and rotor 5 center of gravity to the vertical line between eccentric shaft 7 in the same plane.
This compensation device that the utility model is provided, be aimed at eccentric rotor 5 produce offset distance in rotary course and
A kind of compensation setting for carrying out, to reduce vibrations, makes the running of pump more stable.The pump that the utility model is mentioned, it includes
Eccentric shaft 7 and the rotor on eccentric shaft 75.Eccentric shaft 7 passes end cap 1 and is connected with power set, is the rotation of rotor 5
Power is provided.This kind of pump is mainly displacement pump.For example, eccentric shaft 7 stretches out one end of end cap 1 and is connected with shaft coupling by flange 10
Device 11, shaft coupling 11 is arranged on the output shaft of motor.
Because eccentric shaft 7 does not pass through the center of rotor 5, and the cross section of rotor 5 for circular configuration, i.e. rotor 5
Center of gravity is centrally located, so can produce offset distance when rotor 5 rotates.In order to solve this problem, this programme is in eccentric shaft 7
On be set with compensation block 9, to offset offset distance.
After arranging due to compensation block 9, in rotary course, moment of torsion can be produced between compensation block 9 and rotor 5, can be to bias
Axle 7 causes larger load；And limited by pump internal structure, compensation block 9 can not be arranged at the inside of pump, therefore, in pump
On outside eccentric shaft 7, compensation block 9 should be arranged as close to end cap 1.Being arranged close to here, refers in compensation block 9 in rotation
It is the smaller the better with the distance between end cap 1 on the premise of not affecting (contact) end cap 1 during turning.Torsion so can be both reduced
Square, can offset offset distance again.
Compensation block 9 has through hole 12 using regular structure, such as the pyriform structure shown in Fig. 2 on compensation block 9, adopts
Bonded mode is arranged on eccentric shaft 7.This structure makes the weight of compensation block 9 be concentrated mainly on the region being relatively large in diameter
In, be conducive to reducing the volume of compensation block 9.In order that the best results of compensation block 9, in this programme, the center of gravity of compensation block 9 is to partially
To the vertical line between eccentric shaft 7 in the same plane, this is referred to the center of gravity of vertical line and rotor 5 between heart axle 7, compensation block 9
Situation during the center of gravity lie farthest away of center of gravity and rotor 5.This will enable compensation block 9 play maximum effect, reach same effect
While fruit, the volume and weight of compensation block 9 is reduced as far as possible.
The utility model is not affected for the use for ensureing pump by introduced contaminants, additionally provides a kind of sealing device：
There is gap between the end face and end cap 1 of rotor 5, seal 2 is provided with the end face of rotor 5, the twisted rotary shaft of seal 2 sets
Put, elastic connection between seal 2 and described end cap 1.
This sealing device that the utility model is provided, can be applicable to the end face of all kinds of rotors 5 needs the occasion of sealing, or
The end of person's rotor needs the occasion of sealing.This structure that this programme is proposed, in the example that such as figure is given, rotor 5 passes through
Bearing 6 be arranged on rotating shaft on, the end of rotating shaft is connected on end cap 1, so when rotor 5 works, when outside operating mode compared with
For it is severe when, some media will enter into rotor 5 and bearing 6 by the gap between the end face of rotor 5 and end cap 1 along rotating shaft
In, so as to the normal using impacting of bearing 6, especially when impurity is solid granule, to the damage of bearing 6 more
Greatly, this allow for device practicality and durability it is poor.
This programme is provided with a kind of sealing device to solve this problem, specifically, arranging on the end face of rotor 5
One seal 2, seal 2 is elastic construction, and is surrounded on rotating shaft setting, and such seal 2 is just by rotating shaft in circumference
It has been enclosed in wherein on direction.Due to itself being elastic construction, such seal 2 is just that elasticity connects between end cap 1 to seal 2
The mode for connecing.When rotor 5 is in rotation process, due to the elastic reaction of of seal 2 itself, will cause seal 2 tightly with end
Lid 1 is mutually attached, and so extraneous impurity cannot be entered in bearing 6 by seal 2, it is ensured that the normal operation of bearing 6.
Another remarkable advantage of such elastic construction is that some rotors 5 make to turn due to there is different degrees of abrasion
Son has amplitude of oscillation presence 5 in rotary course, i.e. the end face of rotor 5 is to become with the distance between end cap 1 in rotation process
Change.Elastic component 4 itself has elasticity in this programme, is adapted to above-mentioned change, i.e., no matter the end face of rotor 5 and end cap 1 it
Between spacing how to change (within the specific limits), elastic component 4 can be close to end cap 1 due to elastic reaction, and this is just effectively
The applicability of this device is enhanced, also causes the durability of rotor 5 more preferable.
One kind is preferable to provide mode, and seal 2 is not fixedly installed on the end face of rotor 5, but with the end face of rotor 5
It is also adopted by the mode of elastic connection.This mode can make that seal 2 better adapts to be likely to occur between end face and end cap 1 away from
From change.
As illustrated, the utility model provides a kind of structure of specific seal 2, seal 2 carries through hole for middle
12 loop configuration, this is arranged to adapt to the profile of rotor 5 and rotating shaft.The loop configuration of this closing, can turn
Axle sleeve wherein, prevents impurity from entering by seal 2.
It is not a kind of optimum mode, in order to ensure device in long-play merely with the elasticity of itself of seal 2
Stability and durability, elastic component 4 is provided with the end face of rotor 5 in this programme, described seal 2 passes through elastic component
4 are arranged on the end face of rotor 5, and under the elastic force effect of elastic component 4, seal 2 is attached on end cap 1.Elastic component 4 sets
Put, be that seal 2 provides effective elastic force, enable seal 2 preferably with the Elastic Contact of end cap 1.Here attaching refer to
It is very close to each other between end cap 1, and pass through can not medium.
As the further optimization of above-mentioned technical proposal, in this programme, along the circumferential direction offer on the end face of rotor 5 close
Sealing groove 3, described elastic component 4 is arranged in seal groove 3, and the part of seal 2 is located in seal groove 3.Seal groove 3 is one
Around the cannelure that rotating shaft is arranged, it is engaged with described seal 2.Elastic component 4 is arranged in seal groove 3, and it can be installed
Position is effectively fixed, cutting can make not staying gap between the side wall of seal 2 and the end face of rotor 5, more conducively elastic reaction
Play.Seal 2 only has part to be located in seal groove 3, and the part that seal 2 is located in seal groove 3 is tight with the side wall of seal groove 3
Contiguity is touched, and remaining part is stretched out seal groove 3 and contacted with end cap 1.In the rotary course of rotor 5, distance between end face and end cap 1
When changing, seal 2 can slightly slide in the presence of elastic component 4 in seal groove 3, both cause seal 2 and seal groove
Gap is not stayed between 3 side walls, seal 2 and the effective contact of end cap 1 is also enabled, sealing effectiveness is this ensures that thered.
In a kind of preferred embodiment, as shown in figure, figure, horizontal stroke is along the circumferential direction offered on the upper surface of seal 2
Section pushes away groove 8 in arc-shaped structure, and lower surface is plane, is better contacted with end cap 1；Described elastic component 4 is using elasticity
Ball, elastic ball is adapted with the profile for pushing away groove 8, this simple and practical with bigger contact surface, and elastic component 4 is more
Change more convenient, there is satisfied using effect in actual use.Elastic ball is distributed with multiple in seal groove 3, can guarantee that bullet
The supply of property power.
Claims (9)
1. a kind of rotor eccentricity compensation device, including the rotor (5) by bearing (6) on eccentric shaft (7), eccentric shaft
(7) arrange through end cap (1)；Characterized in that, compensation block (9) is set with the eccentric shaft (7) on the outside of described end cap (1),
Compensation block (9) is arranged near end cap (1) outside, and the center of gravity of compensation block (9) is to the vertical line between eccentric shaft (7) and rotor (5)
Center of gravity to the vertical line between eccentric shaft (7) in the same plane.
2. rotor eccentricity compensation device as claimed in claim 1, it is characterised in that described eccentric shaft (7) stretches out end cap (1)
One end shaft coupling (11) is connected with by flange (10), shaft coupling (11) is on the output shaft of motor.
3. rotor eccentricity compensation device as claimed in claim 1, it is characterised in that the end face and end cap of described rotor (5)
(1) there is gap between, seal (2) is provided with the end face of rotor (5), seal (2) twisted rotary shaft is arranged, seal
(2) elastic connection between described end cap (1).
4. rotor eccentricity compensation device as claimed in claim 3, it is characterised in that described seal (2) and rotor (5)
Elastic connection between end face.
5. rotor eccentricity compensation device as claimed in claim 3, it is characterised in that described seal (2) is carried for centre
The loop configuration of through hole (12).
6. rotor eccentricity compensation device as claimed in claim 3, it is characterised in that arrange on the end face of described rotor (5)
Flexible part (4), described seal (2) by elastic component (4) on the end face of rotor (5), in the bullet of elastic component (4)
Under power effect, seal (2) is attached on end cap (1).
7. rotor eccentricity compensation device as claimed in claim 3, it is characterised in that along circle on the end face of described rotor (5)
Circumferential direction offers seal groove (3), and described elastic component (4) is arranged in seal groove (3), and the part of seal (2) is located at
In seal groove (3).
8. rotor eccentricity compensation device as claimed in claim 7, it is characterised in that described seal (2) is positioned at seal groove
(3) part in is in close contact with the side wall of seal groove (3).
9. rotor eccentricity compensation device as claimed in claim 6, it is characterised in that on the upper surface of described seal (2)
Along the circumferential direction offer cross section and push away groove (8) in arc-shaped structure, described elastic component (4) adopts elastic ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620957377.0U CN206092397U (en) | 2016-08-26 | 2016-08-26 | Eccentric rotor compensation arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620957377.0U CN206092397U (en) | 2016-08-26 | 2016-08-26 | Eccentric rotor compensation arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206092397U true CN206092397U (en) | 2017-04-12 |
Family
ID=58473062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620957377.0U Active CN206092397U (en) | 2016-08-26 | 2016-08-26 | Eccentric rotor compensation arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206092397U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806408A (en) * | 2017-10-21 | 2018-03-16 | 王友宏 | A kind of rotary eccentric positive displacement pump |
| CN108986712A (en) * | 2017-05-31 | 2018-12-11 | 乐金显示有限公司 | Show equipment |
| CN115284024A (en) * | 2022-08-01 | 2022-11-04 | 超同步股份有限公司 | Auxiliary supporting structure of rotary table |
-
2016
- 2016-08-26 CN CN201620957377.0U patent/CN206092397U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108986712A (en) * | 2017-05-31 | 2018-12-11 | 乐金显示有限公司 | Show equipment |
| US10877514B2 (en) | 2017-05-31 | 2020-12-29 | Lg Display Co., Ltd. | Display apparatus |
| CN107806408A (en) * | 2017-10-21 | 2018-03-16 | 王友宏 | A kind of rotary eccentric positive displacement pump |
| CN115284024A (en) * | 2022-08-01 | 2022-11-04 | 超同步股份有限公司 | Auxiliary supporting structure of rotary table |
| CN115284024B (en) * | 2022-08-01 | 2023-09-05 | 超同步股份有限公司 | Auxiliary supporting structure of turntable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 710065 No. 51, No. 1 Gaoxin Road, Gaoxin Road, Xi'an high tech Zone, Shaanxi, 1, unit 10, No. 11008. Patentee after: Xi'an Damo Petroleum Energy Technology Engineering Co., Ltd. Address before: 710075 A tower 6, Ruixin mansion 15, Gaoxin Road, Xi'an, Shaanxi. Patentee before: Xi'an Damo Petroleum Energy Technology Engineering Co., Ltd. |
|
| CP02 | Change in the address of a patent holder |