CN209604327U - A kind of balance weight device - Google Patents
A kind of balance weight device Download PDFInfo
- Publication number
- CN209604327U CN209604327U CN201920084825.4U CN201920084825U CN209604327U CN 209604327 U CN209604327 U CN 209604327U CN 201920084825 U CN201920084825 U CN 201920084825U CN 209604327 U CN209604327 U CN 209604327U
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- Prior art keywords
- hole
- wheel hub
- pump shaft
- repeated hole
- repeated
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Abstract
The utility model discloses a kind of balance weight devices, including centrifugal pump ontology and balancing disk；Balancing disk include balancing frame and with the integrally formed wheel hub of balancing frame；The center of balancing frame offers the pump shaft hole of perforation balancing frame, be also provided on balancing frame with pump shaft hole it is concentric with repeated hole, there are two groups with repeated hole, respectively first matches repeated hole with repeated hole and second, first has several with repeated hole with repeated hole and second, first is identical with repeated hole and the second quantity with repeated hole, and the first diameter with repeated hole is greater than the second diameter for matching repeated hole；Wheel hub is located at a side of balancing frame, and wheel hub is annulus, and the center in wheel hub and pump shaft hole is overlapped, and the internal diameter of wheel hub is identical with the diameter in pump shaft hole；The screw hole of perforation wheel hub is offered on wheel hub, screw hole there are several, several screw holes are evenly arranged on the side of wheel hub；Centrifugal pump ontology includes pump shaft, and balancing disk is fixed on the periphery of pump shaft by pump shaft hole, and the utility model structure is simple, counterweight is convenient.
Description
Technical field
The utility model relates to slewing accessory technical fields, and in particular to a kind of balance weight device.
Background technique:
Slewing is widely used in petrochemical industry, and vibration is one of main forms of its equipment fault, according to
Incomplete statistics, wherein about 70% is as caused by rotor unbalance problem.It is main for rotary machine rotor imbalance problem
Correction is balanced using offline dynamic balancing and spot dynamic balance two ways, with the need of petrochemical equipment long-term operation
It wants, many key equipments mostly use greatly dynamic balance technology.
During dynamic balance calibration, the major way solved the problems, such as is exactly to be balanced counterweight or loss of weight to equipment, this
It is the key that solve one of unbalance vibration.Currently, ballasting method in the market have direct welding, main shaft lockhole counterweight method,
Shaft coupling weighting procedure etc..Direct welding, which is commonly used in large and medium-sized blower, is balanced counterweight, gets angry since welding belongs to, moves
Electric operation generally needs to carry out stringent examination & approval at the scene, and need to be equipped with special welding personnel, and counterweight cost is relatively
Height, the adjusting simultaneously for counterweight size and phase is also inconvenient, generally requires cutting and welds again, time-consuming and laborious.Lock spindle
Hole counterweight method is to be provided with bolt hole in rotation shaft end, carries out counterweight by installing bolt on bolt hole.This method is suitable for
The counterweight of the exposed machining tool of main shaft, but the size of limited and bolt hole position, quantity and bolt, counterweight
Amount still has certain limitation, is unfavorable for the accurate adjusting of counterweight, is of limited application.Shaft coupling weighting procedure be by
Carry out counterweight on the connection bolt of shaft coupling and achieve the purpose that balance, but this method is only applicable to single-side dynamic balance, to need into
The equipment of row dual-threshold detection not can solve counterweight problem, while when being dismounted, the connection of shaft coupling
Bolt is easily deformed, once the different equilibrium state that will destroy rotor-support-foundation system again of the connection bolt quality of replacement.
Summary of the invention
The purpose of this utility model is to provide a kind of balance weight device and centrifugal multistage pump multiple centrifugal pumps, to solve in the prior art
One of caused above-mentioned defects or defect.
In order to achieve the above objectives, the utility model adopts the following technical solutions realization:
A kind of balance weight device, including centrifugal pump ontology and balancing disk；The balancing disk include balancing frame and with balance
The integrally formed wheel hub of disk；The center of the balancing frame offers the pump shaft hole of perforation balancing frame, also opens up on the balancing frame
Have with pump shaft hole it is concentric with repeated hole, described to have two groups with repeated hole, respectively first matches repeated hole with repeated hole and second, described first
There are several with repeated hole with repeated hole and second, described first is identical with repeated hole and the second quantity with repeated hole, first counterweight
The diameter in hole is greater than the second diameter for matching repeated hole；The wheel hub is located at a side of balancing frame, and the wheel hub is annulus, described
The center in wheel hub and the pump shaft hole is overlapped, and the internal diameter of the wheel hub is identical with the diameter in pump shaft hole；It is opened up on the wheel hub
There is the screw hole for penetrating through the wheel hub, the screw hole there are several, several screw holes are evenly arranged on the side of the wheel hub
Face；The centrifugal pump ontology includes pump shaft, and the balancing disk is fixed on the periphery of pump shaft by pump shaft hole.
Further, the present apparatus further include with first with repeated hole and/or second with the compatible bolt of repeated hole, the bolt
On be connected with gasket and self-locking nut.
Further, for the ease of processing and fabricating balancing disk, the material selection ordinary construction carbon steel of balancing disk.
Further, in order to increase the friction of wheel hub and pump shaft, it is made to be not susceptible to relatively rotate, the length of wheel hub is extremely
It is less 18mm.
Further, close in order to make to cooperate between balancing disk and pump shaft, the pump shaft hole of balancing disk and pump shaft are matched for interference
It closes.
Further, for better fixed weight disk, it is made not relatively rotate between pump shaft, on wheel hub
Screw hole in be connected with screw, the pump shaft is close in one end of screw.
Utility model has the advantages that
1, the utility model can be realized flexible counterweight, the first counterweight with repeated hole with repeated hole and second by be arranged first
Hole can be used as main with re-adding, and second can be used as the adjusting of counterweight precision with repeated hole, and present apparatus structure is simple, by spiral shell
Bolt and self-locking nut be fixed to it is corresponding with that can realize counterweight in repeated hole, counterweight is convenient, and counterweight is at low cost, and have good
Counterbalancing effect；
2, the utility model is being not likely to produce rotation using balancing disk by way of being interference fitted between pump shaft and pump shaft hole；
By the wheel hub of the lengthening of setting, the contact area of wheel hub and pump shaft is increased, increases the friction of wheel hub and pump shaft, makes it not
Easily relatively rotate；It by mounting screw in screw hole, withstands on screw on pump shaft, balancing disk is made to be not susceptible to move；It is more
Kind mode collective effect, it is ensured that balancing frame can be rotated jointly with pump shaft and not relatively rotated.
Detailed description of the invention
Fig. 1 is the main view of balancing disk in specific embodiment of the present invention balancing frame counter weight device；
Fig. 2 is the cross-sectional view of balancing disk in specific embodiment of the present invention balancing frame counter weight device；
Fig. 3 is the counterweight scheme of installation of specific embodiment of the present invention balancing frame counter weight device；
Wherein: 1, balancing disk；11, balancing frame；12, wheel hub；13, pump shaft hole；14, first matches repeated hole；15, the second counterweight
Hole；16, screw hole；2, pump shaft；3, bearing housing；4, centrifugal pump ontology；5, shaft coupling；6, motor；7, mounting seat.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
It should be noted that in the description of the present invention, term "front", "rear", "left", "right", "upper", "lower",
The orientation or positional relationship of the instructions such as "inner", "outside" is to be merely for convenience of based on orientation or positional relationship shown in the drawings
Description the utility model rather than require the utility model that must be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the utility model.Term "front", "rear" used in the utility model description, "left", "right", "upper", "lower" refer to
It is the direction in attached drawing, term "inner", "outside" refer respectively to the direction towards or away from geometric center of specific component.
As shown in Figure 1 to Figure 3, a kind of balance weight device, including centrifugal pump ontology 4 and balancing disk 1.The balancing disk 1
Including balancing frame 11 and with the integrally formed wheel hub 12 of balancing frame 11.The center of the balancing frame 11 offers perforation balancing frame 11
Pump shaft hole 13, be also provided on the balancing frame 11 with pump shaft hole 13 it is concentric with repeated hole, it is described to have two groups with repeated hole, respectively
Match repeated hole 15 with repeated hole 14 and second for first, described first has several with repeated hole 15 with repeated hole 14 and second, and described first
Identical with the second quantity with repeated hole 15 with repeated hole 14, it is straight with repeated hole 15 that the described first diameter with repeated hole 14 is greater than second
Diameter.Specifically, 11 diameter of balancing frame is determined according to bearing housing size and diameter of axle size, then in balancing frame for the ease of counterweight
First is opened up on 11 with repeated hole 14 and second with repeated hole 15, by taking the type level Four centrifugal pump of 2.5GC-6 × 4 as an example, on balancing frame 11
20 threaded holes that two circles are respectively M8 and M5 are provided with, as shown in Figure 1.
As shown in Fig. 2, wheel hub 12 is located at a side of balancing frame 11, the wheel hub 12 is annulus, 12 He of wheel hub
The center in the pump shaft hole 13 is overlapped, and the internal diameter of the wheel hub 12 is identical with the diameter in pump shaft hole 13.It is opened on the wheel hub 12
Equipped with the screw hole 16 for penetrating through the wheel hub 12, the screw hole 16 has several, several described screw holes 16 are evenly arranged on institute
State the side of wheel hub 12；In the present embodiment, the screw hole 16 of three perforation wheel hubs 12 is opened up on the side of wheel hub 12, it is adjacent
Screw hole 16 and the angle at 12 center of wheel hub are 120 degree.The centrifugal pump ontology 4 includes pump shaft 2, and the balancing disk 1 passes through pump
Axis hole 13 is fixed on the periphery of pump shaft 2.1 structure of balancing disk of the utility model is simple, matches 14 He of repeated hole by the first of setting
Second can be realized flexible counterweight with repeated hole 15, and the setting of screw hole 16 can prevent that position occurs between balancing disk 1 and pump shaft 2
It moves, ensure that the accuracy of the present apparatus.
In the present embodiment, as shown in Figure 1 to Figure 3, counter weight device further includes with first with the compatible bolt of repeated hole 14,
Gasket and self-locking nut are connected on bolt.With second with the compatible bolt of repeated hole 15, be connected on the bolt gasket and
Self-locking nut.First can be realized flexible counterweight with repeated hole 14 and the second setting with repeated hole 15, and by self-locking nut to spiral shell
Bolt is fixed, and can guarantee the installation and removal of counterweight quickly, safe.The material of the balancing disk 1 is ordinary construction
Carbon steel.
In the present embodiment, as shown in Fig. 2, the length of wheel hub 12 is at least 18mm, the specific length of wheel hub 12 is depended on
The length of pump shaft 2.Specifically, the length of wheel hub 12 is longer than the length of general wheel hub 12 in the utility model.Long wheel hub 12,
The contact area for increasing wheel hub 12 and pump shaft 2, strengthens fiting effect, reduces and is subjected to displacement between wheel hub 12 and pump shaft
May, improve the accuracy of the present apparatus.
In the present embodiment, the pump shaft hole 13 of the balancing disk 1 and pump shaft 2 are interference fit.Specifically, using S7/
The interference fit of h6, the cooperation are suitble to general steel part, belong to medium-sized interference fit, can reach permanent or semipermanent connects
It connects.
In the present embodiment, screw is connected in the screw hole 16 on the wheel hub 12, institute is close in one end of the screw
State pump shaft 2.It is withstood on pump shaft 2 by screw, ensure that the fastness of balancing disk 1, can effectively prevent pump shaft 2 in operating
In the case of balancing disk the case where falling off.
In the present embodiment, the centrifugal pump ontology 4 is equipped with bearing housing 3, and the pump shaft 2 is located in bearing housing 3.It is described
There are two pump shafts 2, and two pump shafts 2 are located at the both ends of centrifugal pump ontology 4.
Before to centrifugal pump counterweight, the test of Yao Jinhang counterweight, specific test process are as follows: be first mounted on balancing disk 1
On pump shaft 2 in two bearing housings 3 at 4 both ends of centrifugal pump ontology, locked by installing fastening screw in screw hole 16.
Motor 6 and centrifugal pump ontology 4 are fixed in mounting seat 7, a bearing housing on the output shaft and centrifugal pump ontology 4 of motor
3 are connected by shaft coupling 5, and starting motor 6 tests the present apparatus.After the stabilization of speed of pump shaft, vibration measurement is carried out,
Then it shuts down and carries out installation test mass in balancing disk 1, then test its vibration data, carry out data analysis after the completion.Specifically match
Weight process are as follows: counterweight is carried out to the present apparatus according to the result of data analysis, data analyze the weight of exacerbation and aggravate position, choosing
Corresponding bolt and self-locking nut are selected, is fixed on it corresponding with carrying out counterweight in repeated hole.The utility model proposes balance
Counter weight device, in system imbalance.Machine can not be torn open, counterweight directly is carried out to the present apparatus.In order to guarantee 2 original size of pump shaft
It does not change with structure, devises the wheel hub 12 specially lengthened and be fixed, it is ensured that balancing frame 11 will not be operated in centrifugal pump
When get loose.In order to guarantee the fastness of balancing frame 11, it is mounted with that screw is fixed on wheel hub 12.For counterweight
Problem machined on balancing frame 11 two kinds it is various sizes of with repeated hole, it is large-sized to can be used for main amount of unbalance with repeated hole
Addition, the adjustment that precision is used for repeated hole of small size, it is ensured that the accuracy of counterweight.Clump weight mainly selects common spiral shell
Bolt, gasket and self-locking nut reduce the cost of balance convenient for the acquisition of site operation and test block.
As known by the technical knowledge, the utility model can pass through other essence without departing from its spirit or the reality of essential feature
Scheme is applied to realize.Therefore, embodiment disclosed above, in all respects are merely illustrative, and are not only
's.All changes that come within the scope of the invention or equivalents of the invention are included in the utility model.
Claims (8)
1. a kind of balance weight device, which is characterized in that including centrifugal pump ontology (4) and balancing disk (1)；
The balancing disk (1) include balancing frame (11) and with balancing frame (11) integrally formed wheel hub (12)；The balancing frame
(11) center offers the pump shaft hole (13) of perforation balancing frame (11), is also provided with and pump shaft hole on the balancing frame (11)
(13) concentric to match repeated hole, it is described to have two groups with repeated hole, respectively first with repeated hole (14) and second with repeated hole (15), described the
One has several with repeated hole (15) with repeated hole (14) and second, and described first matches the quantity of repeated hole (15) with repeated hole (14) and second
Identical, the described first diameter with repeated hole (14) is greater than the second diameter for matching repeated hole (15)；
The wheel hub (12) is located at a side of balancing frame (11), and the wheel hub (12) is annulus, the wheel hub (12) and institute
The center for stating pump shaft hole (13) is overlapped, and the internal diameter of the wheel hub (12) is identical with the diameter of pump shaft hole (13)；The wheel hub
(12) screw hole (16) for penetrating through the wheel hub (12) is offered on, the screw hole (16) there are several, several described spiral shells
Nail hole (16) is evenly arranged on the side of the wheel hub (12)；
The centrifugal pump ontology (4) includes pump shaft (2), and the balancing disk (1) is fixed on the outer of pump shaft (2) by pump shaft hole (13)
Week.
2. balance weight device according to claim 1, which is characterized in that further include with first with repeated hole (14) and/or
Second matches repeated hole (15) compatible bolt, is connected with gasket and self-locking nut on the bolt.
3. balance weight device according to claim 1, which is characterized in that the material of the balancing disk (1) is common knot
Structure carbon steel.
4. balance weight device according to claim 1, which is characterized in that the length of the wheel hub (12) is at least
18mm。
5. balance weight device according to claim 1, which is characterized in that the pump shaft hole (13) of the balancing disk (1) and
Pump shaft (2) is interference fit.
6. balance weight device according to claim 1, which is characterized in that in the screw hole (16) on the wheel hub (12)
It is connected with screw, the pump shaft (2) is close in one end of the screw.
7. balance weight device according to claim 1, which is characterized in that the centrifugal pump ontology (4) is equipped with bearing
Case (3), the pump shaft (2) are located in bearing housing (3).
8. balance weight device according to claim 1, which is characterized in that there are two the pump shafts (2), two pumps
Axis (2) is located at the both ends of centrifugal pump ontology (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920084825.4U CN209604327U (en) | 2019-01-18 | 2019-01-18 | A kind of balance weight device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920084825.4U CN209604327U (en) | 2019-01-18 | 2019-01-18 | A kind of balance weight device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209604327U true CN209604327U (en) | 2019-11-08 |
Family
ID=68401180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920084825.4U Expired - Fee Related CN209604327U (en) | 2019-01-18 | 2019-01-18 | A kind of balance weight device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209604327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121387A (en) * | 2021-03-26 | 2022-09-30 | 本田技研工业株式会社 | Rotary atomizing type coating device and method for adjusting rotary balance |
-
2019
- 2019-01-18 CN CN201920084825.4U patent/CN209604327U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121387A (en) * | 2021-03-26 | 2022-09-30 | 本田技研工业株式会社 | Rotary atomizing type coating device and method for adjusting rotary balance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191108 Termination date: 20210118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |