CN218118169U

CN218118169U - Electro-hydraulic integrated machine core

Info

Publication number: CN218118169U
Application number: CN202221840631.0U
Authority: CN
Inventors: 明章帅; 严文佑
Original assignee: Ningbo Panico Hydraulic Technology Co ltd
Current assignee: Ningbo Panico Hydraulic Technology Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-12-23
Anticipated expiration: 2032-07-18

Abstract

The utility model discloses an electro-hydraulic integrated machine core, which comprises a hydraulic oil cylinder, a valve block, a motor, a bidirectional oil pump and an oil tank; the connecting block is arranged in the middle of the hydraulic oil cylinder; the hydraulic oil cylinder comprises an upper oil pipe used for communicating the top of the hydraulic oil cylinder with the connecting block and a lower oil pipe used for communicating the bottom of the hydraulic oil cylinder with the connecting block; the valve block and the connecting block are provided with oil way components; the oil circuit component comprises a hydraulic lock arranged on the upper layer of the valve block, an oil guide valve and overflow valves which are symmetrically arranged on the lower layer of the valve block. A method of arranging a motor and a bidirectional oil pump respectively above and below a valve block through a connecting block; the structure is compact, the installation in narrow space is suitable, the operation is stable, and the smooth and stable operation of the load is ensured.

Description

Electro-hydraulic integrated machine core

Technical Field

The utility model belongs to the technical field of the hydraulic pressure lift technique and specifically relates to an electricity liquid integral type core.

Background

The movement has extensive application in real life, but among the prior art, the size of movement is big, and some narrow and small spaces can not install and use.

For example, the Chinese patent document discloses an "alternating current oil immersion type integrated hydraulic lifting column movement", and the publication number is CN215925781U. In this patent, exchange integrative hydraulic pressure lift post core of immersion oil formula, include: a housing; the upper component sleeve is arranged above the shell, and the lower component sleeve is arranged below the shell; an oil immersion motor and an oil pump are arranged in the shell; a single-stage hydraulic cylinder extends out of the upper assembly sleeve, and a telescopic hydraulic rod is arranged in the single-stage hydraulic cylinder; an oil path structure is arranged in the upper component sleeve and/or the lower component sleeve, and an internal leakage type hydraulic lock is arranged in the oil path structure. Among the above-mentioned patent, the structure is complicated, and the installation is used inconveniently, and high longer from top to bottom, can not use in narrow and small space.

In the prior art, the oil pipe is arranged in a split mode, the oil pipe needs to be added in the middle, and although the oil pipe can be separately installed to meet the use requirement of a narrow space to a certain extent, the oil pipe is arranged, so that the use is inconvenient, and the structure is not compact.

For example, the Chinese patent document discloses a 'lifting road pile split type movement', and the publication number is CN211228242U. The patent discloses a split type machine core of a lifting road pile, which comprises an oil tank, a valve body, a motor and a lifting column, wherein the motor is connected with the valve body, and the upper end of the valve body is connected with the oil tank; the valve body is provided with a first oil outlet and a first oil inlet; a piston rod is arranged in the lifting column and can lift relative to the lifting column; the lifting column is further provided with a second oil outlet and a second oil inlet, the second oil outlet is connected with the first oil inlet through a first oil pipe, and the second oil inlet is connected with the first oil outlet through a second oil pipe. The split type air conditioner is not compact in structure and large in size, and is not beneficial to use.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a method for respectively arranging a motor and a bidirectional oil pump above and below a valve block through a connecting block and the valve block; the device is compact in structure, suitable for installation in narrow space, stable in operation and capable of guaranteeing smooth and stable operation of the load.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

an electro-hydraulic integrated machine core comprises a hydraulic oil cylinder, wherein a connecting block is arranged on the hydraulic oil cylinder through a detachable structure; the valve block is fixedly arranged on the connecting block; the motor is arranged at the top of the valve block; the bidirectional oil pump is arranged at the bottom of the valve block; the oil tank is sleeved on the periphery of the bidirectional oil pump and is positioned on the valve block; the connecting block is arranged in the middle of the hydraulic oil cylinder; the hydraulic oil cylinder comprises an upper oil pipe used for communicating the top of the hydraulic oil cylinder with the connecting block and a lower oil pipe used for communicating the bottom of the hydraulic oil cylinder with the connecting block; the valve block and the connecting block are provided with oil way components; the oil circuit component comprises a hydraulic lock arranged on the upper layer of the valve block, an oil guide valve and overflow valves which are symmetrically arranged on the lower layer of the valve block. The connecting block is arranged in the middle of the hydraulic oil cylinder, so that the motor and the oil tank arranged on the valve block can not exceed the end part of the hydraulic oil cylinder, the size can be controlled, the structure is compact, and the hydraulic oil cylinder can be installed and used in a narrow space; the connecting block is arranged through a detachable structure, the mounting height can be freely controlled to meet the mounting requirements of different environments, and the upper oil pipe and the lower oil pipe are mounted according to the actual use condition; the valve block is fixedly connected with the connecting block, and the motor, the oil tank and the bidirectional oil pump are all integrated on the valve block, so that the valve block can be replaced and used only by disassembling the valve block when different motors and oil pumps need to be replaced, the structure is simple, and the mounting efficiency is improved; the bidirectional oil pump arranged in the oil tank can ensure that a hydraulic oil cylinder is stable in the ascending or descending process so as to ensure the stable operation of a load, when the bidirectional oil pump ascends, the bidirectional oil pump starts to work, hydraulic oil is pumped into a pipeline in the valve block, part of the hydraulic oil flows back into the oil tank through the overflow valve, part of the hydraulic oil enters the hydraulic oil pump through the oil discharge pipe after passing through the hydraulic lock, and the hydraulic oil at the top of the hydraulic oil pump returns to the oil tank through the other side of the bidirectional oil pump after passing through the hydraulic lock; in the descending process, the two-way oil pump works, hydraulic oil flows into the top of the hydraulic oil cylinder through the oil feeding pipe after passing through a hydraulic lock, the hydraulic oil at the bottom of the hydraulic oil cylinder enters the oil tank through the oil guide valve after passing through the hydraulic lock, and the oil guide valve can counteract partial back pressure in descending so that a load can run more stably and smoothly; the structure is simple and compact, and the use is convenient; the hydraulic lock, the oil guide valve and the overflow valve are arranged up and down, so that the structure is compact, the transverse area of the valve block is reduced, the position is reasonable to set, and the use is convenient.

Furthermore, the oil circuit assembly further comprises a pressure release valve arranged at the bottom of the hydraulic lock. The safety of using has been guaranteed, adjusts through above-mentioned relief valve when pressure is too big.

Furthermore, the detachable structure comprises an installation block matched with the hydraulic oil cylinder and a connecting bolt used for connecting the installation block and the connecting block. Simple structure, simple to operate connects reliably.

Furthermore, an oil filling port is further formed in the valve block. The position is set reasonably, and the hydraulic oil is convenient to fill.

Furthermore, the bottom of the valve block is provided with a clamping bulge matched with the oil tank; and a groove for installing the rubber ring is formed in the periphery of the clamping protrusion. Can guarantee the leakproofness between oil tank and the above-mentioned valve block, and the bellied setting of joint has made things convenient for the installation location of above-mentioned oil tank, simple structure, convenient to use.

Furthermore, a guide pipe communicated with the oil guide valve is arranged at the bottom of the valve block. In the process of oil return, can guarantee that hydraulic oil transmits to the oil tank in, can not appear revealing of oil tank and valve block junction.

Compared with the prior art, the utility model has the advantages that: compact structure is fit for the installation in narrow and small space, and the operation is stable, guarantees that the load can smoothly even running.

Drawings

Fig. 1 is a three-dimensional schematic diagram of the present invention.

Fig. 2 is an explosion diagram of the present invention.

Fig. 3 is a three-dimensional schematic diagram of the valve block of the present invention.

In the figure:

1. a hydraulic cylinder; 2. a detachable structure; 3. connecting blocks; 4. a valve block; 5. a motor; 6. a bidirectional oil pump; 7. an oil tank; 8. feeding an oil pipe; 9. discharging an oil pipe; 10. a hydraulic lock; 11. an oil guide valve; 12. an overflow valve; 13. a pressure relief valve; 14. mounting blocks; 15. an oil filler; 16. clamping the bulges; 17. a groove; 18. a conduit.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Referring to fig. 1, fig. 2 and fig. 3, the embodiment of the electrohydraulic integrated machine core of the present invention is that, in this embodiment, the machine core includes a hydraulic cylinder 1, a connecting block 3 is disposed on the hydraulic cylinder 1 through a detachable structure 2, a valve block 4 is disposed on the connecting block 3, a motor 5 is disposed on the top of the valve block 4, an oil tank 7 is disposed on the bottom of the valve block 4, a two-way oil pump 6 is disposed on the valve block 4 inside the oil tank 7, the connecting block 3 is disposed at the middle position of the hydraulic cylinder 1, in other embodiments, other forms of settings may be provided, which are not limited to this, and it is ensured that the motor 5 and the oil tank 7 disposed on the valve block 4 do not exceed the end of the hydraulic cylinder 1, and are not described herein again; the hydraulic oil cylinder 1 comprises an upper oil pipe 8 used for communicating the top of the hydraulic oil cylinder 1 with the connecting block 3 and a lower oil pipe 9 used for communicating the bottom of the hydraulic oil cylinder 1 with the connecting block 3, and oil way components are arranged on the valve block 4 and the connecting block 3; the oil circuit assembly comprises a hydraulic lock 10 arranged on the upper layer of the valve block 4, an oil guide valve 11 and overflow valves 12 which are symmetrically arranged on the lower layer of the valve block 4. The connecting block 3 is arranged in the middle of the hydraulic oil cylinder 1, the size can be controlled, the structure is compact, and the hydraulic oil cylinder can be installed and used in a narrow space; the connecting block 3 is arranged through the detachable structure 2, the mounting height can be freely controlled to adapt to the mounting requirements of different environments, and the upper oil pipe 8 and the lower oil pipe 9 are mounted according to the actual use condition; the valve block 4 is fixedly connected with the connecting block 3, and the motor 5, the oil tank 7 and the bidirectional oil pump 6 are integrated on the valve block 4, so that the valve block 4 can be replaced and used only by disassembling the valve block 4 when different motors 5 and oil pumps need to be replaced, the structure is simple, and the mounting efficiency is improved; the bidirectional oil pump 6 arranged in the oil tank 7 can ensure that the hydraulic oil cylinder 1 is stable in the ascending or descending process, so as to ensure the stable operation of a load, when the oil tank is ascended, the bidirectional oil pump 6 starts to work, hydraulic oil is pumped into a pipeline in the valve block 4, part of the hydraulic oil flows back into the oil tank 7 through the overflow valve 12, part of the hydraulic oil enters the hydraulic oil pump through the oil drain pipe 9 after passing through the hydraulic lock 10, and the hydraulic oil at the top of the hydraulic oil pump returns to the oil tank 7 through the other side of the bidirectional oil pump 6 after passing through the hydraulic lock 10; in the descending process, the two-way oil pump 6 works, hydraulic oil flows into the top of the hydraulic oil cylinder 1 through the oil feeding pipe 8 after passing through the hydraulic lock 10, the hydraulic oil at the bottom of the hydraulic oil cylinder 1 enters the oil tank 7 through the oil guide valve 11 after passing through the hydraulic lock 10, and the oil guide valve 11 can counteract partial back pressure in the descending process, so that the load can run more stably and smoothly; the structure is simple and compact, and the use is convenient; the hydraulic lock 10, the oil guide valve 11 and the overflow valve 12 are arranged vertically, so that the hydraulic control valve is compact in structure, reasonable in position setting and convenient to use, and the transverse area of the valve block 4 is reduced.

Referring to fig. 1, fig. 2 and fig. 3, the embodiment of the electro-hydraulic integrated movement of the present invention is shown, in this embodiment, the basic portion is consistent with the above embodiment, and is not described again here. In this embodiment, the oil path assembly further includes a pressure relief valve 13 disposed at the bottom of the hydraulic lock 10, so as to ensure safety in use, and when the pressure is too high, the pressure is adjusted by the pressure relief valve 13; in addition, in this embodiment, the detachable structure 2 includes an installation block 14 adapted to the hydraulic cylinder 1 and a connection bolt for connecting the installation block 14 and the connection block 3, so that the structure is simple, the installation is convenient, and the connection is reliable; meanwhile, the valve block 4 is also provided with an oil filling port 15 which is reasonable in position arrangement and convenient for filling hydraulic oil; the bottom of the valve block 4 is provided with a clamping bulge 16 matched with the oil tank 7; the peripheral side of the clamping bulge 16 is provided with a groove 17 for installing a rubber ring, so that the airtightness between the oil tank 7 and the valve block 4 can be ensured, and the arrangement of the clamping bulge 16 facilitates the installation and positioning of the oil tank 7, and the clamping bulge has a simple structure and is convenient to use; and the bottom of the valve block 4 is provided with a conduit 18 communicated with the oil guide valve 11, so that in the oil return process, hydraulic oil can be ensured to be transmitted to the oil tank 7, and the leakage at the joint of the oil tank 7 and the valve block 4 can be avoided.

The above description is only for the specific embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims

1. The utility model provides an electricity liquid integral type core which characterized in that: comprises that

The hydraulic oil cylinder is provided with a connecting block through a detachable structure;

the valve block is fixedly arranged on the connecting block;

the motor is arranged at the top of the valve block;

the bidirectional oil pump is arranged at the bottom of the valve block;

the oil tank is sleeved on the periphery of the bidirectional oil pump and is positioned on the valve block;

the connecting block is arranged in the middle of the hydraulic oil cylinder; the hydraulic oil cylinder comprises an upper oil pipe used for communicating the top of the hydraulic oil cylinder with the connecting block and a lower oil pipe used for communicating the bottom of the hydraulic oil cylinder with the connecting block; the valve block and the connecting block are provided with oil way components; the oil circuit component comprises a hydraulic lock arranged on the upper layer of the valve block, an oil guide valve and overflow valves which are symmetrically arranged on the lower layer of the valve block.

2. The electro-hydraulic integrated movement of claim 1, wherein: the oil circuit assembly further comprises a pressure release valve arranged at the bottom of the hydraulic lock.

3. Electro-hydraulic integrated movement according to claim 1 or 2, characterized in that: the detachable structure comprises an installation block matched with the hydraulic oil cylinder and a connecting bolt used for connecting the installation block and the connecting block.

4. The electro-hydraulic integrated movement of claim 1 or 2, wherein: the valve block is also provided with an oil filling port.

5. The electro-hydraulic integrated movement of claim 3, wherein: the valve block is also provided with an oil filling port.

6. The electro-hydraulic integrated movement of claim 1 or 2, wherein: the bottom of the valve block is provided with a clamping bulge matched with the oil tank; and a groove for installing the rubber ring is formed in the periphery of the clamping protrusion.

7. The electro-hydraulic integrated movement of claim 3, wherein: the bottom of the valve block is provided with a clamping bulge matched with the oil tank; and a groove for installing the rubber ring is formed in the periphery of the clamping protrusion.

8. The electro-hydraulic integrated movement of claim 4, wherein: the bottom of the valve block is provided with a clamping bulge matched with the oil tank; a groove for installing the rubber ring is formed in the periphery of the clamping protrusion.

9. Electro-hydraulic integrated movement according to claim 1 or 2, characterized in that: and a guide pipe communicated with the oil guide valve is arranged at the bottom of the valve block.

10. The electro-hydraulic integrated movement of claim 6, wherein: and a guide pipe communicated with the oil guide valve is arranged at the bottom of the valve block.