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Multi-cylinder ultrahigh pressure automatic reciprocating supercharger with inner circulation cylinder group

An automatic reciprocating and internal circulation technology, applied to fluid pressure converters, mechanical equipment, etc., can solve problems such as premature commutation, increased cost, and only a part of the cylinder is required to work, and achieve the effect of reducing mechanical loss

Pending Publication Date: 2018-12-11
郑州浩普液压设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In theory, the more the number of superchargers, the more stable the pressure output, but in actual use, due to the lag of the pilot control, the reversing of the spool and the piston, the more the number of booster cylinders, the more serious the hysteresis. , when the quantity is too large, there will be premature commutation or jamming, which will greatly affect the supercharging effect and increase unnecessary costs; in the actual working process of the supercharger, sometimes all cylinders need to work, sometimes Only a part of the cylinders are required to work, if all the cylinders of the cylinder group are in full working condition at all times, unnecessary mechanical loss will be caused

Method used

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  • Multi-cylinder ultrahigh pressure automatic reciprocating supercharger with inner circulation cylinder group
  • Multi-cylinder ultrahigh pressure automatic reciprocating supercharger with inner circulation cylinder group
  • Multi-cylinder ultrahigh pressure automatic reciprocating supercharger with inner circulation cylinder group

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Experimental program
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Effect test

Embodiment 1

[0013] Such as figure 1 As shown, a multi-cylinder ultra-high pressure automatic reciprocating supercharger provided with an internal circulation cylinder group includes a first booster cylinder 1, a second booster cylinder 2, and a third booster cylinder 3, and the booster cylinder is provided with a left piston chamber 12 and the right piston chamber 13, the left piston chamber is provided with a left oil port 14 and a left control port 16, and the right piston chamber 13 is provided with a right oil port 15 and a right control port 17, wherein the left piston chamber of the second booster cylinder is also provided with A second left control port 18 and a second right control port 19 . The first booster cylinder 1 matches the first reversing valve 11, the second booster cylinder 2 matches the second reversing valve 21, the third booster cylinder 3 matches the third reversing valve 31, and the fourth booster cylinder matches the fourth Reversing valve 41, the above-mentioned...

Embodiment 2

[0020] Such as figure 2 As shown, a multi-cylinder ultra-high pressure automatic reciprocating supercharger provided with an internal circulation cylinder group includes a first booster cylinder 1, a second booster cylinder 2, a third booster cylinder 3, and a fourth booster cylinder 4, The booster cylinder is provided with a left piston chamber 12 and a right piston chamber 13, the left piston chamber is provided with a left oil port 14 and a left control port 16, and the right piston chamber 13 is provided with a right oil port 15 and a right control port 17, wherein the second pressurization The cylinder left piston chamber is also provided with a second left control port 18 and a second right control port 19 . The first booster cylinder 1 matches the first reversing valve 11, the second booster cylinder 2 matches the second reversing valve 21, the third booster cylinder 3 matches the third reversing valve 31, and the fourth booster cylinder matches the fourth Reversing v...

Embodiment 3

[0027] Such as image 3 As shown, a multi-cylinder ultra-high pressure automatic reciprocating supercharger provided with an internal circulation cylinder group includes a first booster cylinder 1, a second booster cylinder 2, a third booster cylinder 3, and a fourth booster cylinder 4, The booster cylinder is provided with a left piston chamber 12 and a right piston chamber 13, the left piston chamber is provided with a left oil port 14 and a left control port 16, the right piston chamber 13 is provided with a right oil port 15 and a right control port 17, and the first booster cylinder 1 The first reversing valve 11 is matched, the second booster cylinder 2 is matched with the second reversing valve 21, the third booster cylinder 3 is matched with the third reversing valve 31, and the fourth booster cylinder is matched with the fourth reversing valve 41. The reversing valves are all hydraulic control reversing valves. The two oil inlets of the first reversing valve are conne...

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PUM

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Abstract

The invention relates to a hydraulic supercharger, in particular to a multi-cylinder ultrahigh pressure automatic reciprocating supercharger with an inner circulation cylinder group. The multi-cylinder ultrahigh pressure automatic reciprocating supercharger comprises N bidirectional supercharging cylinders and matched reversing valves, supercharging cavities of the supercharging cylinders are provided with control ports, the supercharging cylinders are sequentially arranged, the control port of each supercharging cylinder is connected with a pilot port of the reversing valve matched with a next supercharging cylinder, the N supercharging cylinder is not provided with a control port, a first supercharging cylinder to an X supercharging cylinder among the N supercharging cylinders are arranged in a circulating manner, the (X+1) cylinder to the N cylinder are sequentially arranged, namely, the supercharging cavity of the X cylinder is further provided with a second control port based on sequential arrangement of the supercharging cylinders, and the second control port is connected with a pilot port of the reversing valve matched with the first supercharging cylinder. Based on a past circulation cylinder group, the inner circulation cylinder group is arranged, so that original greater circulation is split into small circulation, low hysteresis superposition is reduced, and various problems generated by pilot reversing hysteresis are avoided.

Description

technical field [0001] The invention relates to a hydraulic booster, in particular to a multi-cylinder ultra-high pressure automatic reciprocating booster provided with internal circulation cylinder groups. Background technique [0002] The reciprocating booster is a commonly used device in the hydraulic field. Its advantage is that it can achieve continuous output of pressure, but the output pressure is zero at the moment of reversing, which makes the output pressure pulsate. It cannot be used in some occasions that require constant pressure. The usual The solution is to use multiple reciprocating superchargers at the same time, and make mutual control between each booster cylinder, such as the multi-cylinder ultra-high pressure automatic reciprocating supercharger disclosed in Chinese patent 201620645317.5. In theory, the more the number of superchargers, the more stable the pressure output, but in actual use, due to the lag of the pilot control, the reversing of the spool...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B3/00
CPCF15B3/00
Inventor 佘喜旺康代扣王铁锁昝际伟昝际姣李瑞军
Owner 郑州浩普液压设备有限公司