CN212509024U - Integrated full-electric hydraulic system - Google Patents
Integrated full-electric hydraulic system Download PDFInfo
- Publication number
- CN212509024U CN212509024U CN202021180808.XU CN202021180808U CN212509024U CN 212509024 U CN212509024 U CN 212509024U CN 202021180808 U CN202021180808 U CN 202021180808U CN 212509024 U CN212509024 U CN 212509024U
- Authority
- CN
- China
- Prior art keywords
- oil
- valve body
- hydraulic system
- valve
- oil tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model provides an integral type full-electric hydraulic system, including the motor, install in the oil tank of motor below and install the hydro-cylinder in motor one side, be equipped with the gear pump in the oil tank, still including setting up the motor with the valve body between the oil tank, be equipped with the oil circuit unit in this valve body, the hydro-cylinder directly is linked together through this oil circuit unit with the oil tank, has reduced the route of oil circuit, has solved the problem that fluid in the process of pump sending, kinetic energy reduces to improve pump sending pressure, guarantee hydraulic system's validity, the oil circuit design is inside the valve body simultaneously, avoided because the oil circuit design leads to the outside pipeline to damage and influences the use of product, reduced the maintenance frequency; the electromagnetic valve, the one-way valve, the overflow valve and the pressure relief valve in the oil tank are arranged on the valve body in a matched mode, automation of the working process is achieved, and the service life of the oil tank is prolonged through the pressure relief valve arranged in the oil tank.
Description
Technical Field
The utility model relates to a hydraulic system especially relates to a full electronic hydraulic system of integral type.
Background
The hydraulic system generally comprises three parts, namely a hydraulic power unit, a control unit and an actuating mechanism, is an important component of the truck, and plays an important role in the load and the actual working efficiency of the forklift truck due to the quality of the hydraulic system of the forklift truck.
Chinese utility model patent 201620317661.1 discloses an integral type hydraulic system, it includes the bottom plate, is fixed with the oil tank on the bottom plate and through the hydro-cylinder that two-way oil pipe and oil tank are connected, is equipped with the gear pump in the oil tank, installs the motor of being connected with the gear pump on the oil tank, is equipped with on the oil tank and is used for control the check valve of two-way oil pipe break-make with be used for acting on the manual valve that the check valve made the check valve open, this scheme is in the same place power pack and actuating mechanism are integrated, effectively reduces entire system's volume, reduce cost because entire system does not have any pipeline, connects the hookup, has also avoided hydraulic pressure to leak and pollutes as far as, makes hydraulic system.
However, in the technical scheme, the pump body is connected with the oil cylinder through a bidirectional oil pipe, the external oil pipe is easily collided with an external object in the actual working process to cause deformation of the oil pipe, and the maintenance is difficult.
Disclosure of Invention
The utility model aims at prior art's weak point, a full electric hydraulic system of integral type is provided, through set up the oil circuit in the valve body, the valve body is direct to be connected with the hydro-cylinder, reduce the route of oil circuit, solved fluid at the in-process of pump sending, the problem that kinetic energy reduces has improved pump sending pressure, guarantee hydraulic system's validity, oil circuit design is inside the valve body simultaneously, avoided because the oil circuit design is outside, lead to the use that outside pipeline damaged the influence product, the maintenance frequency has been reduced.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an all-electric hydraulic system of integral type, includes the motor, installs in the oil tank of motor below and installs the hydro-cylinder of motor one side, be equipped with the gear pump in the oil tank, its characterized in that still includes the setting the motor with valve body between the oil tank is equipped with the oil circuit unit in this valve body, the hydro-cylinder through this oil circuit unit with the oil tank is linked together.
The oil outlet of the oil circuit unit penetrates through one side face of the valve body, and the plane where the oil outlet is located on the valve body is tightly attached to the outer circumferential face of the oil cylinder.
As an improvement, a connecting block is convexly arranged on the outer circumferential surface of the oil cylinder, and the oil cylinder is detachably connected with the valve body through the connecting block.
As an improvement, the plane where the oil outlet on the valve body is located is a plane where the oil outlet is connected with the connecting block, and an oil way for communicating the oil outlet with the oil cylinder is arranged in the connecting block.
The oil circuit unit comprises an oil inlet circuit and an oil inlet and return circuit, one end of the oil inlet and return circuit is communicated with the oil inlet circuit, and the other end of the oil inlet and return circuit is communicated with the oil outlet; and the oil inlet end of the oil inlet oil way is communicated with the output end of the gear pump.
The oil tank is characterized by further comprising an electromagnetic valve arranged on the valve body, an oil return opening communicated with the oil tank is formed in the valve body, and the electromagnetic valve is respectively communicated with the oil inlet path, the oil inlet and return path and the oil return opening.
The oil inlet valve comprises a valve body and is characterized by further comprising a check valve arranged on the valve body, and the check valve is communicated with the oil inlet passage.
And the valve body is also provided with an overflow valve which is communicated with the oil inlet oil way.
And a pressure relief valve is further arranged in the oil tank and communicated with the oil return port.
And a motor shaft of the motor penetrates through the valve body to be connected with the gear pump.
The beneficial effects of the utility model reside in that:
(1) the utility model discloses an offer the oil circuit in the valve body, the valve body is direct to be connected with the hydro-cylinder, has reduced the route of oil circuit, has solved fluid at the in-process of pump sending, the problem that kinetic energy reduces to improved pumping pressure, guaranteed hydraulic system's validity, oil circuit design has avoided because the oil circuit design externally leads to the use that outside pipeline damage influences the product inside the valve body simultaneously, has reduced the maintenance frequency.
(2) The utility model discloses a solenoid valve, check valve and the overflow valve of setting on the valve body have realized the automatic realization of working process, through the relief valve of setting in the oil tank, have improved the life of oil tank.
To sum up, the utility model has the advantages of hydraulic system's pumping pressure is more stable, the maintenance frequency is low.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic view of the valve body structure of the present invention;
FIG. 4 is a schematic view of the connecting block structure of the present invention;
FIG. 5 is a schematic view of the structure of the joint between the valve body and the oil cylinder;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of 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", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example one
As shown in fig. 1 to 5, an integrated all-electric hydraulic system includes a motor 1, an oil tank 2 installed below the motor 1, and an oil cylinder 3 installed at one side of the motor 1, wherein a gear pump 4 is disposed in the oil tank 2, and is characterized by further including a valve body 5 disposed between the motor 1 and the oil tank 2, an oil path unit 51 is disposed in the valve body 5, and the oil cylinder 3 is communicated with the oil tank 2 through the oil path unit 51.
As shown in fig. 5, an oil outlet 511 of the oil path unit 51 is disposed through a side surface of the valve body 5, and a plane of the oil outlet 511 on the valve body 5 is closely attached to an outer circumferential surface of the oil cylinder 3.
As shown in fig. 5, wherein a connecting block 31 is convexly arranged on the outer circumferential surface of the oil cylinder 3, the oil cylinder 3 is detachably connected with the valve body 5 through the connecting block 31,
it should be noted that the shape of the joint surface of the connecting block 31 and the oil cylinder 3 is matched with the shape of the oil cylinder 3, and the joint surface can be fixed by welding, screwing, and the like, and preferably fixed by welding in order to reduce the processing cost; the oil outlet is provided with a sealing ring, so that oil leakage is avoided.
As shown in fig. 5, a plane of the oil outlet 511 on the valve body 5 is a plane connected with the connecting block 31, and an oil path 311 communicating the oil outlet 511 with the oil cylinder 3 is opened inside the connecting block 31.
As shown in fig. 3, the oil path unit 51 includes an oil inlet path 512 and an oil inlet/return path 513, where one end of the oil inlet/return path 513 is communicated with the oil inlet path 512, and the other end thereof is communicated with the oil outlet 511; the oil inlet end of the oil inlet path 512 is communicated with the output end of the gear pump 4.
As shown in fig. 1 and 3, the electromagnetic valve device further includes an electromagnetic valve 6 mounted on the valve body 5, an oil return port 514 communicated with the oil tank 2 is formed in the valve body 5, and the electromagnetic valve 6 is respectively communicated with the oil inlet path 512, the oil inlet path 513 and the oil return port 514.
It should be noted that when oil is fed, the electromagnetic valve 6 is communicated with the oil feeding oil path 512 and the oil return port 514 is disconnected from the electromagnetic valve 6 by the control of the electromagnetic valve 6, so that oil is fed into the oil cylinder 3, and the oil cylinder ejector rod is ejected out to work; on the contrary, during oil return, the electromagnetic valve 6 is communicated with the oil return port 514, the oil inlet oil path 512 is disconnected from the electromagnetic valve 6, oil return of the oil cylinder 3 is realized, and meanwhile, the oil cylinder ejector rod falls down to realize unloading.
As shown in fig. 1 and 3, the oil-saving valve further comprises a check valve 7 arranged on the valve body 5, and the check valve 7 is communicated with the oil inlet path 512.
It should be noted that, during oil inlet, the check valve 7 is open, and during oil return, the check valve 7 is not open, so that the problem of equipment failure caused by return of oil along the oil inlet oil path 512 during oil return is avoided.
As shown in fig. 1 and 3, a relief valve 8 is further disposed on the valve body 5, and the relief valve 8 is communicated with the oil inlet path 512.
It should be noted that, when the load of the oil cylinder 3 exceeds the rated load and the pressure of the oil cylinder 3 cannot meet the requirement, the motor 1 continues to operate, so that the overflow valve 8 is opened, oil returns to the oil tank through the oil path 515, and damage to equipment due to excessive pressure is avoided.
As shown in fig. 2 and 3, a relief valve 9 is further provided in the oil tank 2, and the relief valve 9 is communicated with the oil return port 514.
It should be noted that when the high-pressure oil returns to the oil tank through the oil inlet/return oil path 513, the pressure of the oil is reduced through the arranged pressure release valve 9, so that the impact of the high-pressure oil on the oil tank 2 is avoided, and the service life of the oil tank 2 is prolonged.
Wherein, the motor shaft of motor 1 passes valve body 5 and is connected with gear pump 4.
It should be noted that the valve body 5 is provided with an oil filling hole 52, and the oil filling hole 52 is sealed by a screw plug with an oil indicator, so that the subsequent oil level inspection is facilitated.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a full electronic hydraulic system of integral type, includes motor (1), installs in oil tank (2) of motor (1) below and installs hydro-cylinder (3) of motor (1) one side, be equipped with gear pump (4) in oil tank (2), its characterized in that, still including setting up motor (1) with valve body (5) between oil tank (2), be equipped with oil circuit unit (51) in this valve body (5), hydro-cylinder (3) through this oil circuit unit (51) with oil tank (2) are linked together.
2. The integrated full-electric hydraulic system according to claim 1, characterized in that the oil outlet (511) of the oil circuit unit (51) is arranged through one side surface of the valve body (5), and the plane of the oil outlet (511) on the valve body (5) is closely attached to the outer circumferential surface of the oil cylinder (3).
3. The integrated all-electric hydraulic system according to claim 1, characterized in that a connecting block (31) is convexly arranged on the outer circumferential surface of the oil cylinder (3), and the oil cylinder (3) is detachably connected with the valve body (5) through the connecting block (31).
4. The integrated all-electric hydraulic system according to claim 3, wherein the plane of the oil outlet (511) on the valve body (5) is the plane connecting the oil outlet (511) with the connecting block (31), and an oil path (311) communicating the oil outlet (511) with the oil cylinder (3) is formed inside the connecting block (31).
5. The integrated all-electric hydraulic system according to claim 2 or 4, wherein the oil path unit (51) comprises an oil inlet path (512) and an oil inlet and return path (513), one end of the oil inlet and return path (513) is communicated with the oil inlet path (512), and the other end is communicated with the oil outlet (511); the oil inlet end of the oil inlet oil way (512) is communicated with the output end of the gear pump (4).
6. The integrated full-electric hydraulic system according to claim 5, further comprising an electromagnetic valve (6) installed on the valve body (5), wherein the valve body (5) is provided with an oil return port (514) communicated with the oil tank (2), and the electromagnetic valve (6) is respectively communicated with the oil inlet path (512), the oil inlet/return path (513) and the oil return port (514).
7. The integrated all-electric hydraulic system according to claim 5, further comprising a check valve (7) arranged on the valve body (5), wherein the check valve (7) is communicated with the oil inlet passage (512).
8. The integrated all-electric hydraulic system according to claim 5, characterized in that the valve body (5) is further provided with a relief valve (8), and the relief valve (8) is communicated with the oil inlet passage (512).
9. An integrated all-electric hydraulic system according to claim 6, characterized in that a relief valve (9) is further arranged in the oil tank (2), and the relief valve (9) is communicated with the oil return port (514).
10. An integrated all-electric hydraulic system according to claim 1, characterized in that the motor shaft of the motor (1) is connected to the gear pump (4) through the valve body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021180808.XU CN212509024U (en) | 2020-06-23 | 2020-06-23 | Integrated full-electric hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021180808.XU CN212509024U (en) | 2020-06-23 | 2020-06-23 | Integrated full-electric hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212509024U true CN212509024U (en) | 2021-02-09 |
Family
ID=74438703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021180808.XU Active CN212509024U (en) | 2020-06-23 | 2020-06-23 | Integrated full-electric hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212509024U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113944661A (en) * | 2021-11-08 | 2022-01-18 | 哈尔滨明快机电科技有限公司 | Amphibious portable hydraulic power system and device applying same |
| CN114704518A (en) * | 2022-06-02 | 2022-07-05 | 宁波市博尔法液压有限公司 | Power unit |
-
2020
- 2020-06-23 CN CN202021180808.XU patent/CN212509024U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113944661A (en) * | 2021-11-08 | 2022-01-18 | 哈尔滨明快机电科技有限公司 | Amphibious portable hydraulic power system and device applying same |
| CN114704518A (en) * | 2022-06-02 | 2022-07-05 | 宁波市博尔法液压有限公司 | Power unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212509024U (en) | Integrated full-electric hydraulic system | |
| CN216044324U (en) | Diaphragm metering pump with automatic oil supplementing system | |
| CN212563869U (en) | Integrated manual descending hydraulic system | |
| CN110671391A (en) | Novel hydraulic mechanism oil supplementing tool | |
| CN203362672U (en) | pressure-gradient control valve set | |
| CN213627941U (en) | Diaphragm breakage alarm type electromagnetic diaphragm metering pump | |
| CN212202659U (en) | Novel hydraulic pumping unit for oil field | |
| CN213598281U (en) | Variable pump | |
| CN112594241B (en) | Hydraulic system | |
| CN210993276U (en) | Filtrate discharge system of ceramic filter | |
| CN219472475U (en) | Leakage-proof hydraulic pump station | |
| CN216617710U (en) | Fuel pressure slow release device for ship | |
| CN220131816U (en) | Dual-purpose lifting structure of carrier | |
| CN211231121U (en) | Novel hydraulic mechanism oil supplementing tool | |
| CN206071990U (en) | A kind of oil way integrated valve block of stretching-machine | |
| CN218509706U (en) | Full-oil-return internal gear type oil transfer pump | |
| CN212806191U (en) | Water cooling circulation system | |
| CN220470341U (en) | Energy-saving hydraulic oil supply mechanism | |
| CN214998516U (en) | Efficient and energy-saving hydraulic system | |
| CN211975557U (en) | Iron roughneck hydraulic system | |
| CN214499274U (en) | Oil circuit system of gasoline engine | |
| CN209129817U (en) | A kind of air compressor machine pressure relief device | |
| CN217481520U (en) | Novel booster pump for high-pressure liquid cabinet | |
| CN220706092U (en) | Hydraulic power equipment | |
| CN213899438U (en) | Compact hydraulic power unit for automobile lifting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |