Sea water pump

A seawater pump and pump body technology, applied in the direction of pumps, piston pumps, pump components, etc., can solve the problems of low anti-pollution ability, poor impact resistance, low working pressure, etc., achieve good self-priming ability, reduce sensitivity, long life effect

Active Publication Date: 2014-07-09
CHENGDU OUXUN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the rated working pressure of existing plunger pumps is small. Due to the low viscosity of seawater, seawater pumps are easier to leak than oil pressure pumps, and have disadvantages such as poor impact resistance, short life, high noise, and low anti-pollution ability.

Method used

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the drawings:

[0020] Such as figure 1 As shown, the seawater pump includes a pump body 1 and a plunger cylinder mounting frame 2 and an eccentric shaft 3 arranged inside the pump body 1. The pump body 1 includes a casing 4 and a front end cover 5 respectively installed at both ends of the casing 4. And the rear end cover 6; the plunger cylinder mounting frame 2 is cylindrical, and its two end faces are respectively fixed with the front end cover 5 and the rear end cover 6, the plunger cylinder mounting frame 2 and the outer cover 4 form a water inlet enclosed interlayer 7; The eccentric shaft 3 is fixed on the front end cover 5 and the rear end cover 6 through the bearing A8 and the bearing B9 respectively, and one end of the eccentric shaft 3 penetrates the front end cover 5, and the front end cover 5 is also provided with a rotating retaining ring 10;

[0021] The rear end cover 6 is provided with ...

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Abstract

The invention discloses a sea water pump which comprises a pump body (1), a plunger type cylinder mounting rack (2) and an eccentric shaft (3), wherein a rear end cover (6) is provided with a liquid inlet and a liquid outlet; the eccentric shaft (3) is respectively fixed on a front end cover (5) and the rear end cover (6) by a bearing A (8) and a bearing B (9); one end of the eccentric shaft penetrates through the front end cover (5); the side wall of the plunger type cylinder mounting rack (2) is axially provided with two rows of plunger type cylinder mounting through holes which extend along the radial direction; a plunger pair is installed in each plunger type cylinder mounting through hole; the eccentric shaft (3) is provided with a bearing C (25) and a bearing D (26) cooperated with the two rows of plunger pairs; and the end part of the plunger is respectively abutted on the outer wall of the corresponding bearing. The sea water pump has the beneficial effect that the rated working pressure can achieve 45MPa, has the advantages of impact resistance, long service life, low noise, good self-adsorption capability and pollution-resistant capability and good sealing performance.

Description

Technical field [0001] The invention relates to a sea water pump. Background technique [0002] As the core element of the hydraulic transmission system, the hydraulic pump is designed and developed, which is the key to the development of hydraulic transmission technology. At present, the structure of hydraulic pumps commonly used internationally includes plunger type, vane type, gear type and so on. In contrast, the vane of the vane pump is in line contact with the stator and the two gears of the gear pump, and the contact PV value is high, and the sealing effect is poor; the key friction pair in the plunger pump is mostly surface contact, and under the same working conditions The PV value is relatively small, which can realize static pressure support, and the sealing effect is good, which can ensure the efficiency of the pump. [0003] The valve-distributed hydraulic plunger pump realizes the suction and drainage processes by opening and closing the suction valve and the discha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B9/02F04B53/00F04B53/02F04B53/10
Inventor 段向前俞祖英赵宏宇徐著华邓斌王东哲蒲志林
Owner CHENGDU OUXUN TECH CO LTD
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