An External Engagement Piston Pump with Adjustable Working Frequency
A technology of working frequency and external meshing, which is applied in the direction of piston pumps, pumps, liquid variable capacity machines, etc., can solve the problems of difficult changes and fixed times, and achieve the effect of increasing work efficiency and convenient use
Inactive Publication Date: 2017-01-18
UNIV OF JINAN
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Problems solved by technology
[0003] The present invention aims at the problem that the number of oil suction and oil pressure is fixed and not easy to change in one cycle of the existing plunger pump, and provides an external engagement column with adjustable working frequency that can conveniently adjust the working frequency of oil suction and oil discharge plug pump
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Embodiment
[0025] Such as figure 1 As shown, an external meshing plunger pump with adjustable working frequency of the present invention mainly includes a rotating shaft 2, a rotor 7, a toothed wheel 6, a plunger 12 and a cylinder 13, and the rotor 7 is installed on the rotating shaft 2. The toothed runner 6 is installed on the rotor 7, the plunger 12 is installed in the cylinder body 13, and is in contact with the toothed runner 6, and the plunger 12 is driven to reciprocate in the cylinder body 13 by the rotation of the toothed runner 6 sports. On the rotating shaft 2, a rolling bearing 1 at the lower end of the rotating shaft, a rolling bearing 3 at the middle end of the rotating shaft and a rolling bearing 4 at the upper end of the rotating shaft are installed, and the shaking generated by the rotating shaft during motion can be eliminated by these three rolling bearings. A toothed runner gasket 5 is installed at the contact surface between the lower end of the rotor 7 and the tooth...
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The invention provides an external meshing plunger pump with adjustable working frequency, which includes a rotating shaft, a rotor, a toothed runner, a plunger and a cylinder body. Its characteristic is that the rotor is installed on the rotating shaft, the toothed runner is installed on the rotor, the plunger is installed in the cylinder body, and is in contact with the toothed runner, and the plunger is driven to work in the cylinder through the rotation of the toothed runner. Reciprocating motion According to different working environments and working requirements, the present invention installs the required toothed runner on the rotor, and then controls the rotating shaft to drive the rotor and the toothed runner to rotate, which can realize the required oil suction and oil pressure in one cycle. times. By contacting the plungers of multiple plunger pumps with the gear teeth, a parallel external meshing plunger pump is formed to increase work efficiency. The PLC controls the servo motor to drive the runner to rotate, and the speed of the runner can be adjusted according to the actual work requirements, and then the oil suction and oil pressure frequency of the plunger pump can be adjusted. The structure is simple and easy to replace, and it is convenient to use.
Description
technical field [0001] The invention relates to an external meshing plunger pump with adjustable working frequency, in particular to a plunger pump which can realize different oil suction and pressure frequencies by replacing toothed runners with different teeth, and belongs to the technical field of plunger pumps. Background technique [0002] As a common important device in the hydraulic system, the plunger pump relies on the reciprocating movement of the plunger in the cylinder to change the volume of the sealed working chamber to realize oil suction and pressure. Because the plunger pump has the advantages of high rated pressure, compact structure, high efficiency and convenient flow adjustment, it is widely used in occasions such as hydraulic presses, engineering machinery and ships where high pressure, large flow and flow need to be adjusted. However, the number of oil suction and oil pressure of ordinary plunger pumps in one cycle is fixed. If the working environment ...
Claims
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IPC IPC(8): F04B9/02
Inventor 安延涛马汝建赵东蔡冬梅
Owner UNIV OF JINAN