CN213051364U - Excitation force hydraulic adjusting device - Google Patents
Excitation force hydraulic adjusting device Download PDFInfo
- Publication number
- CN213051364U CN213051364U CN202021260736.XU CN202021260736U CN213051364U CN 213051364 U CN213051364 U CN 213051364U CN 202021260736 U CN202021260736 U CN 202021260736U CN 213051364 U CN213051364 U CN 213051364U
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- oil cylinder
- cylinder barrel
- adjusting device
- counterweight
- compression spring
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model discloses an exciting force adjusting device that surges, including counter weight subassembly, rodless hydro-cylinder and connecting piece, the counter weight subassembly passes through the connecting piece to be fixed on the rotation axis at vibrating motor both ends, rodless hydro-cylinder passes through threaded fastener and is connected with the counter weight subassembly, and this rodless hydro-cylinder includes oil cylinder barrel, end cover, compression spring, counter weight slider and hydraulic pressure pipeline, the counter weight slider sets up at oil cylinder barrel internally, compression spring sets up at oil cylinder barrel internally, and its one end supports the counter weight slider, and the other end is connected with the end cover, and the end cover is connected at oil cylinder barrel end, and the oil cylinder barrel other end is equipped with hydraulic pressure pipeline, and the oil cylinder barrel passes through threaded fastener and is connected with the counter. The exciting force of the vibration motor can be adjusted on line, automatically and steplessly.
Description
Technical Field
The utility model relates to a mechanical equipment technical field, in particular to exciting force adjusting device that surges.
Background
The vibration motor is a universal excitation source of various vibration machines, can be widely applied to industries such as mines, metallurgy, coal, electric power, chemical industry, casting, medicine, grain, ports, railways, dust removal, coating and the like, and is used as a vibration source for various vibration machines such as vibration sieves, vibration feeders, vibrating platforms, storage bins, arch breaking and blocking prevention devices and the like. Along with the continuous progress of science and technology, the requirements on the automation and the intelligent degree of equipment are higher and higher, and the original method for adjusting the exciting force of the vibration motor by stopping the machine and manually adjusting the included angle of the eccentric block greatly limits the use efficiency of the equipment due to time and labor waste and low precision.
The existing exciting force adjusting device on the market has higher system complexity, and the structural size required when the exciting force of the original vibration motor is achieved is larger.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides an excitation force hydraulic adjusting device which can adjust the excitation force of a vibrating motor on line, automatically and steplessly.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an exciting force adjusting device that surges, includes counter weight subassembly, rodless hydro-cylinder and connecting piece, the counter weight subassembly passes through the connecting piece to be fixed on the rotation axis at vibrating motor both ends, rodless hydro-cylinder passes through threaded fastener and is connected with the counter weight subassembly, and this rodless hydro-cylinder includes oil cylinder barrel, end cover, compression spring, counter weight slider and hydraulic pressure pipeline, the counter weight slider sets up at the oil cylinder barrel internally, compression spring sets up at the oil cylinder barrel internally, and its one end supports counter weight slider, and the other end is connected with the end cover, and the end cover is connected at oil cylinder barrel end, and the oil cylinder barrel other end is equipped with hydraulic pressure pipeline, and the oil cylinder barrel passes through threaded fastener.
In the technical scheme, a sealing guide ring is arranged between the counterweight sliding block and the oil cylinder barrel.
In the technical scheme, the mounting center of the counterweight component, the mounting center of the rodless oil cylinder and the central line of the motor shaft are superposed.
In the above technical solution, the counterweight assembly is in a shape of a semicircle, a sector, or a trapezoid.
In the technical scheme, one end of the hydraulic pipeline is communicated with the inner cavity of the oil cylinder barrel, the other end of the hydraulic pipeline is connected with the rotary joint, the rotary joint is installed outside the oil cylinder barrel, and the central line of the rotary joint is overlapped with the installation central line of the oil cylinder barrel.
The utility model has the advantages that: the vibration motor is convenient and reliable to use, and the exciting force of the vibration motor can be adjusted in a stepless manner within the range of 0-100% only by changing the pressure of liquid in the oil cylinder no matter whether the vibration motor works or not; the structure is simple and compact, and a driving unit or an actuating mechanism is not required to be additionally arranged; the maintenance and overhaul quantity is small, and no overhaul dead angle exists.
Drawings
Fig. 1 is a schematic sectional view of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a right side view of fig. 1.
Wherein: 1. a counterweight assembly; 2. a rodless cylinder; 3. a rotary joint; 11. a connecting member; 21. A cylinder barrel; 22. an end cap; 23. a compression spring; 24. a sealing guide ring; 25. a counterweight sliding block; 26. a hydraulic oil circuit; 27. a threaded fastener.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 3, the excitation force hydraulic adjustment device includes a counterweight assembly 1, a rodless cylinder 2 and a connecting member 11, the counterweight assembly 1 is fixed on a rotating shaft at two ends of a vibration motor through the connecting member 11, the rodless cylinder 2 is connected with the counterweight assembly 1, the rodless cylinder includes a cylinder body 21, an end cover 22, a compression spring 23, a counterweight slider 25 and a hydraulic pipeline 26, the counterweight slider 25 is disposed in the cylinder body 21, the compression spring 23 is disposed in the cylinder body 21, one end of the compression spring supports the counterweight slider 25, the other end is connected with the end cover 22, the end cover 22 is connected with an end of the cylinder body 21, the other end of the cylinder body 21 is provided with the hydraulic pipeline 26, the fluid delivery pipeline 26 communicates an inner cavity of the cylinder body 21 with an external circuit, and the cylinder body 21 is connected with the counterweight assembly 1 through a threaded fastener 27.
In the above technical solution, a sealing guide ring 24 is arranged between the counterweight sliding block 1 and the oil cylinder barrel 21.
In the technical scheme, the mounting center of the counterweight component 1, the mounting center of the rodless oil cylinder 2 and the central line of the motor shaft are superposed.
In the above technical solution, the counterweight assembly 1 is in a semicircular shape, a fan shape or a trapezoid shape.
In the above technical scheme, one end of the hydraulic pipeline 26 is communicated with the inner cavity of the cylinder barrel 21, the other end is connected with the rotary joint 3, the rotary joint 3 is installed outside the cylinder barrel 21, and the central line of the rotary joint 3 coincides with the installation central line of the cylinder barrel.
When the vibration motor is used, the whole body formed by the counterweight component 1 and the rodless oil cylinder 2 is fixed on output shafts at two ends of the vibration motor through the connecting piece 11, the rotary joint 3 is connected, and the installation center lines of the counterweight component 1, the rodless oil cylinder 2 and the rotary joint 3 are coincided with the center line of the output shaft of the motor. When the vibration motor works and the hydraulic system is not loaded, the counterweight sliding block 25 is attached to one end of the cylinder body 21 under the action of centrifugal force, so that the mass center of the whole body formed by the counterweight component 1 and the rodless cylinder 2 is just positioned at the center of a rotating shaft, and the excitation force of the vibration motor is equal to or close to 0, and the vibration equipment driven by the vibration motor is started stably without load; when the vibration motor works, the whole body formed by the counterweight sliding block 25 and the sealing guide ring 24 moves linearly along the inner wall of the cylinder body 21 under the action of hydraulic pressure by adjusting the pressure of a hydraulic system; after the pressure of the hydraulic system is set, the hydraulic pressure, the resistance of the compression spring and the centrifugal force applied to the integral lock formed by the counterweight sliding block 25 and the sealing guide ring 24 reach balance, namely the vibration motor obtains the required stable exciting force. The utility model relates to a rationally, required hydraulic system pressure is lower, and the pressure regulation interval is very big, can accurately adjust vibrating motor in order to reach required exciting force.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (5)
1. An exciting force hydraulic adjusting device is characterized in that: the rodless oil cylinder comprises an oil cylinder body, an end cover, a compression spring, a counterweight sliding block and a hydraulic pipeline, wherein the counterweight sliding block is arranged in the oil cylinder body, the compression spring is arranged in the oil cylinder body, one end of the compression spring supports the counterweight sliding block, the other end of the compression spring is connected with the end cover, the end cover is connected with the end part of the oil cylinder body, the other end of the oil cylinder body is provided with the hydraulic pipeline, and the oil cylinder body is connected with the counterweight assembly through the threaded fastener.
2. The excitation force hydraulic adjusting device according to claim 1, characterized in that: and a sealing guide ring is arranged between the counterweight sliding block and the oil cylinder barrel.
3. The excitation force hydraulic adjusting device according to claim 1, characterized in that: the counterweight assembly mounting center, the rodless oil cylinder mounting center and the motor shaft center line are superposed.
4. The excitation force hydraulic adjusting device according to claim 1, characterized in that: the counterweight component is in a semicircular shape, a fan shape or a trapezoid shape.
5. The excitation force hydraulic adjusting device according to claim 1, characterized in that: one end of the hydraulic pipeline is communicated with the inner cavity of the oil cylinder barrel, the other end of the hydraulic pipeline is connected with a rotary joint, the rotary joint is installed outside the oil cylinder barrel, and the central line of the rotary joint is overlapped with the installation central line of the oil cylinder barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021260736.XU CN213051364U (en) | 2020-06-30 | 2020-06-30 | Excitation force hydraulic adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021260736.XU CN213051364U (en) | 2020-06-30 | 2020-06-30 | Excitation force hydraulic adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213051364U true CN213051364U (en) | 2021-04-27 |
Family
ID=75569474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021260736.XU Active CN213051364U (en) | 2020-06-30 | 2020-06-30 | Excitation force hydraulic adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213051364U (en) |
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2020
- 2020-06-30 CN CN202021260736.XU patent/CN213051364U/en active Active
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