CN217107617U

CN217107617U - Novel pressure boost return circuit

Info

Publication number: CN217107617U
Application number: CN202123308258.2U
Authority: CN
Inventors: 敬康; 陈洪运; 邵益新
Original assignee: Changzhou Hezhuo Electromechanical Technology Co ltd
Current assignee: Changzhou Hezhuo Electromechanical Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-08-02
Anticipated expiration: 2031-12-27

Abstract

The utility model provides a novel pressure boost return circuit, relate to hydraulic pressure, mechanical technical field, it is very high to have solved present whole hydraulic system cost, and dangerous problem relatively, including side pressure, side pressure has the pressure cylinder through the pipe connection, the pressure cylinder has low pressure to mend the hydraulic fluid port through the pipe connection respectively, the secondary side pressure, draining oil tank and high-order oil tank of meneing, be connected with the check valve between low pressure oil port and the pressure cylinder of meneing, be connected with pressure release solenoid directional valve between draining oil tank and the pressure cylinder, be connected with the manual ball valve of meneing oil between high-order oil tank and the pressure cylinder, be connected with side pressure measurement point between side pressure and the pressure cylinder, be connected with the secondary side pressure measurement port between secondary side pressure and the pressure cylinder. The utility model discloses a design for local pressure boost scheme, one can effectual reduce cost, and two can only act on local effectual scope to the part of superhigh pressure, reduce the dangerous point, improved the security level.

Description

Novel pressure boost return circuit

Technical Field

The utility model belongs to the technical field of hydraulic pressure, machinery, more specifically say, in particular to novel pressure boost return circuit.

Background

In a general hydraulic system, after a primary side pressure with a lower pressure passes through a booster circuit, a secondary side pressure with a higher output pressure is designed according to a strict boost ratio, and in the hydraulic system, ultrahigh pressure output is sometimes needed.

In view of the above, research and improvement are made on the existing structure and defects, and a novel boost circuit is provided to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a novel pressure boost return circuit to it is very high to solve present whole hydraulic system cost, and the problem of comparison danger.

The utility model discloses a purpose and efficiency in pressure boost return circuit are reached by following specific technological means:

the utility model provides a novel pressure boost return circuit, includes primary side pressure, primary side pressure has the pressure cylinder through the tube coupling, the pressure cylinder has low pressure to mend hydraulic fluid port, secondary side pressure, draining oil tank and high-order oil tank of mending through the tube coupling respectively, be connected with the check valve between low pressure oil port of mending and the pressure cylinder, be connected with pressure release solenoid directional valve between draining oil tank and the pressure cylinder, be connected with the manual ball valve of mending oil between high-order oil tank and the pressure cylinder.

Furthermore, a primary side pressure measuring point is connected between the primary side pressure and the pressure cylinder.

Furthermore, a secondary side pressure measuring port is connected between the secondary side pressure and the pressure cylinder.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model relates to a novel pressure boost loop, which is characterized in that a pressure boost cylinder with strict pressure boost ratio is arranged in the loop, according to the force balance principle, the primary pressure P1 multiplied by the acting area A1 of the large chamber of the pressure cylinder is equal to the secondary pressure P2 multiplied by the acting area A2 of the small chamber of the pressure cylinder, i.e. P1 xa 1-P2 xa 2, for example, when the ratio of the areas of the large and small chambers of the booster cylinder is 3:1, i.e., a1/a2 is 3/1, the ratio of the primary pressure to the secondary pressure is 1:3, the P1/P2 is 1/3, namely the secondary pressure is 3 times of the primary pressure, and the scheme that the whole hydraulic system is an ultrahigh pressure loop is designed to be a local pressurization scheme, so that the cost can be effectively reduced, the ultrahigh pressure part can be only acted on a local effective range, the danger points are reduced, and the safety level is improved.

Drawings

Fig. 1 is a schematic structural diagram of a novel pressure boost circuit of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. primary side pressure; 2. a primary side pressure measurement point; 3. a booster cylinder; 4. a one-way valve; 5. a low-pressure oil supplementing port; 6. a secondary side pressure measuring port; 7. secondary side pressure; 8. a pressure relief electromagnetic directional valve; 9. an oil drainage tank; 10. oil-supplementing manual ball valves; 11. high-order oil tank of mending.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 1:

the utility model provides a novel pressure boost loop, which comprises a primary side pressure 1, wherein the primary side pressure 1 is connected with a pressure cylinder 3 through a pipeline, the oil inlet from the primary side pressure 1 is convenient to realize through the setting of the primary side pressure 1, the pressure boost is carried out through the pressure boost cylinder 3, the pressure boost cylinder 3 is respectively connected with a low-pressure oil supplementing port 5, a secondary side pressure 7, an oil drainage oil tank 9 and a high-position oil supplementing oil tank 11 through pipelines, a one-way valve 4 is connected between the low-pressure oil supplementing port 5 and the pressure boost cylinder 3, a pressure relief electromagnetic reversing valve 8 is connected between the oil drainage oil tank 9 and the pressure boost cylinder 3, when pressure relief is needed, the pressure relief is reversed through the action of the pressure relief electromagnetic reversing valve 8, the pressure of a high-pressure cavity of the pressure boost cylinder 3 is released into the oil drainage oil tank 9, an oil supplementing manual ball valve 10 is connected between the high-position oil supplementing oil tank 11 and the pressure boost cylinder 3, and through the setting of the oil supplementing manual ball valve 10, the excessive or required oil liquid of the volume change of the middle cavity of the pressure cylinder 3 is stored and supplemented by a high-level oil supplementing oil tank 11 through an oil supplementing manual ball valve 10.

A primary pressure measurement point 2 is connected between the primary pressure 1 and the booster cylinder 3.

Wherein, a secondary pressure measuring port 6 is connected between the secondary pressure 7 and the pressure cylinder 3.

The specific use mode and function of the embodiment are as follows:

in the utility model, firstly, the oil is fed by the primary side pressure 1, after the pressurization by the pressure cylinder 3, the pressure after the pressurization is output by the secondary side pressure 7, when the loop pressurization is completed and the pressure is needed to be released, the action of the pressure release electromagnetic directional valve 8 is reversed, the pressure of the high pressure cavity of the pressure cylinder 3 is released to the oil drainage oil tank 9, after the pressure cylinder 3 completes the primary pressurization or before the pressure is restarted, the piston of the pressure cylinder 3 is pushed to the bottommost part of the primary side large cavity of the pressure cylinder 3 by the low pressure oil supplementing port 5 through the one-way valve 4, so as to ensure the continuity of the pressurization, in the whole pressurization loop working process, the excessive or needed oil in the middle cavity volume of the pressure cylinder 3 is stored and supplemented by the high-position oil supplementing oil tank 11 through the oil supplementing manual ball valve 10, through the scheme, the hydraulic system is convenient to be designed into a local pressurization scheme, one can effectively reduce the cost, and the other can only act on the local effective range of the ultrahigh pressure, reduce dangerous points and improve the safety level.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A novel pressure boost return circuit which characterized in that: including primary side pressure (1), primary side pressure (1) has pressure cylinder (3) through the tube coupling, pressure cylinder (3) have low pressure oil supplementing mouth (5), secondary side pressure (7), oil drainage oil tank (9) and high-order oil supplementing oil tank (11) through the tube coupling respectively, be connected with check valve (4) between low pressure oil supplementing mouth (5) and pressure cylinder (3), be connected with pressure release solenoid directional valve (8) between oil drainage oil tank (9) and pressure cylinder (3), be connected with between high-order oil supplementing oil tank (11) and pressure cylinder (3) and mend oil manual ball valve (10).

2. The novel boost circuit of claim 1, wherein: a primary pressure measuring point (2) is connected between the primary pressure (1) and the pressure cylinder (3).

3. The novel boost circuit of claim 1, wherein: and a secondary side pressure measuring port (6) is connected between the secondary side pressure (7) and the pressure cylinder (3).