CN218560968U - External electric adjusting device of manual jack - Google Patents

External electric adjusting device of manual jack Download PDF

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Publication number
CN218560968U
CN218560968U CN202222289131.9U CN202222289131U CN218560968U CN 218560968 U CN218560968 U CN 218560968U CN 202222289131 U CN202222289131 U CN 202222289131U CN 218560968 U CN218560968 U CN 218560968U
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electromagnetic valve
way electromagnetic
jack
pipeline
oil
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CN202222289131.9U
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Chinese (zh)
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罗旭兵
任林
李开罗
何睿
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Chengdu Sifukai Technology Co ltd
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Chengdu Sifukai Technology Co ltd
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Abstract

The utility model provides a hand jack's external electric adjusting device relates to hand jack technical field. The external electric adjusting device comprises a liquid conveying pipeline, an oil way control unit and a power unit which are connected in parallel to the hydraulic oil pipe pipeline of the manual jack; the oil circuit control unit comprises a two-position three-way electromagnetic valve and a two-position two-way electromagnetic valve, the two-position three-way electromagnetic valve and the two-position two-way electromagnetic valve are connected in parallel and then are connected into the infusion pipeline, the two-position three-way electromagnetic valve enables oil in the infusion pipeline to flow to a hydraulic oil cylinder of the jack, and the two-position two-way electromagnetic valve enables the oil in the infusion pipeline to flow to an oil tank of the jack; the power unit is arranged in an oil liquid conveying pipeline of the two-position three-way electromagnetic valve. The utility model discloses make manual jack have electronic and manual dual operation mode simultaneously, realized manual jack's resource reuse, practiced thrift cost in business.

Description

External electric adjusting device of manual jack
Technical Field
The utility model relates to a hand jack technical field particularly, relates to a hand jack's external electric adjusting device.
Background
The hydraulic jack is also called oil jack, and is a jack which adopts a plunger or a hydraulic cylinder as a rigid jacking piece. Simple hoisting equipment is generally only provided with a hoisting mechanism for hoisting heavy objects. Simple structure, light weight, portability and convenient movement. The commonly used simple lifting devices are equipped with hydraulic jacks, trolleys and winches etc.
Hydraulic jack mainly includes traditional manual hydraulic jack (wave the lift of hand pump rocker operation jack through the manpower, waste time and energy, inefficiency) and current electric jack commonly used, because electric jack has labour saving and time saving's advantage, has replaced traditional manual jack gradually, and at new and old in-process in turn, manual jack does not damage, and the electric jack that directly renews has led to the fact the waste of resource, has also increased the cost of enterprises.
In summary, we propose an external electric adjusting device of a manual jack to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hand jack's external electronic adjusting device makes hand jack have electronic and manual dual operation mode simultaneously, has realized hand jack's resource recycle, has practiced thrift the cost of enterprise.
The embodiment of the utility model is realized like this:
the embodiment of the application provides an externally-hung electric adjusting device of a manual jack, which comprises a liquid conveying pipeline, an oil way control unit and a power unit, wherein the liquid conveying pipeline, the oil way control unit and the power unit are connected into a hydraulic oil pipeline of the manual jack in parallel;
the oil circuit control unit comprises a two-position three-way electromagnetic valve and a two-position two-way electromagnetic valve, the two-position three-way electromagnetic valve and the two-position two-way electromagnetic valve are connected in parallel and then are connected into the infusion pipeline, the two-position three-way electromagnetic valve enables oil in the infusion pipeline to flow to a hydraulic oil cylinder of the jack, and the two-position two-way electromagnetic valve enables the oil in the infusion pipeline to flow to an oil tank of the jack;
the power unit is arranged in an oil liquid conveying pipeline of the two-position three-way electromagnetic valve.
In some embodiments of the present invention, the power unit includes a high-pressure gear pump, and a servo motor for driving the high-pressure gear pump.
In some embodiments of the present invention, a check valve is disposed in the delivery pipeline of the two-position three-way electromagnetic valve.
In some embodiments of the present invention, a direct-acting overflow valve is disposed in the delivery pipeline of the two-position three-way electromagnetic valve.
In some embodiments of the present invention, a throttle valve is disposed in the delivery pipeline of the two-position two-way electromagnetic valve.
In some embodiments of the present invention, a pressure gauge for detecting the pressure of the hydraulic cylinder of the jack is disposed in the infusion pipeline.
In some embodiments of the present invention, the infusion pipeline, the pipeline of the two-position three-way solenoid valve, and the pipeline of the two-position two-way solenoid valve are stainless steel pipes.
In some embodiments of the present invention, the infusion pipeline and the pipeline of the oil circuit control unit are detachably connected to each other.
In some embodiments of the present invention, the oil circuit control unit and the power unit are connected to a controller.
Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:
an external electric adjusting device of a manual jack comprises a liquid conveying pipeline, an oil way control unit and a power unit which are connected in parallel to a hydraulic oil pipe pipeline of the manual jack;
the oil circuit control unit comprises a two-position three-way electromagnetic valve and a two-position two-way electromagnetic valve, the two-position three-way electromagnetic valve and the two-position two-way electromagnetic valve are connected in parallel and then are connected into the infusion pipeline, the two-position three-way electromagnetic valve enables oil in the infusion pipeline to flow to a hydraulic oil cylinder of the jack, and the two-position two-way electromagnetic valve enables the oil in the infusion pipeline to flow to an oil tank of the jack;
the power unit is arranged in an oil liquid conveying pipeline of the two-position three-way electromagnetic valve.
In the utility model, on the first hand, the two-position three-way electromagnetic valve and the two-position two-way electromagnetic valve are both in the closed state, and the manual jacking or descending function can be realized by adjusting the manual pressing part of the manual jack, so that the two-position three-way electromagnetic valve and the two-position two-way electromagnetic valve are more suitable for the condition without an external power supply; in the second aspect, under the condition of having an external power supply, the two-position three-way electromagnetic valve is in an open state, the two-position two-way electromagnetic valve is in a closed state, the power unit is enabled to work, the power unit enables hydraulic oil in a jack oil tank to be conveyed to a hydraulic oil cylinder of the jack through a conveying pipeline, jacking of a piston rod of the jack is achieved, on the contrary, the two-position three-way electromagnetic valve and the power unit are enabled to be closed, the two-position two-way electromagnetic valve is in an open state, the piston rod enables hydraulic oil of the hydraulic oil rod of the jack to flow back to the oil tank through the conveying pipeline under the action of external pressure, and contraction of the piston rod is achieved. The utility model discloses connect in manual jack, make manual jack have electronic and manual dual operation mode simultaneously, realized manual jack's resource recycle, practiced thrift cost in business.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic diagram of an external electric adjusting device of a manual jack according to an embodiment of the present invention.
An icon: 1-high-pressure gear pump, 2-servo motor, 3-one-way valve, 4-two-position three-way electromagnetic valve, 5-two-position two-way electromagnetic valve, 6-throttle valve, 7-direct-acting overflow valve, 8-pressure gauge, 9-jack, 10-transfusion pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, it is only for convenience of description of the present invention and simplification of description, but not for indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and therefore, the present invention should not be construed as being limited thereby. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" means at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. 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.
Examples
Referring to fig. 1, fig. 1 is a schematic diagram of an external electric adjusting device of a manual jack 9 according to an embodiment of the present invention; the embodiment provides an externally-hung electric adjusting device of a manual jack 9, which comprises a liquid conveying pipeline 10, an oil way control unit and a power unit, wherein the liquid conveying pipeline 10, the oil way control unit and the power unit are connected into a hydraulic oil pipeline of the manual jack 9 in parallel;
the oil circuit control unit comprises a two-position three-way electromagnetic valve 4 and a two-position two-way electromagnetic valve 5, the two-position three-way electromagnetic valve 4 and the two-position two-way electromagnetic valve 5 are connected in parallel and then are connected into the infusion pipeline 10, the two-position three-way electromagnetic valve 4 enables oil in the infusion pipeline 10 to flow to a hydraulic oil cylinder of a jack 9, and the two-position two-way electromagnetic valve 5 enables the oil in the infusion pipeline 10 to flow to an oil tank of the jack 9;
the power unit is arranged in the oil liquid conveying pipeline of the two-position three-way electromagnetic valve 4.
In the utility model, on the first hand, the two-position three-way electromagnetic valve 4 and the two-position two-way electromagnetic valve 5 are both in the closed state, and the function of manual jacking or descending can be realized by adjusting the manual pressing part of the manual jack 9, so that the two-position three-way electromagnetic valve is suitable for the condition without an external power supply; in the second aspect, under the condition of having an external power supply, the two-position three-way electromagnetic valve 4 is in an open state, the two-position two-way electromagnetic valve 5 is in a closed state, the power unit is enabled to work, the power unit enables hydraulic oil in an oil tank of the jack 9 to be conveyed to a hydraulic oil cylinder of the jack 9 through the liquid conveying pipeline 10, so that the piston rod of the jack 9 is jacked, otherwise, the two-position three-way electromagnetic valve 4 and the power unit are both enabled to be closed, the two-position two-way electromagnetic valve 5 is in an open state, and the piston rod enables hydraulic oil of the hydraulic oil rod of the jack 9 to flow back to the oil tank through the liquid conveying pipeline under the action of external pressure, so that the piston rod is retracted. The utility model discloses connect in hand jack 9, make hand jack 9 have electronic and manual dual operation mode simultaneously, realized hand jack 9's resource recycle, practiced thrift cost in business.
In some embodiments of the present invention, the power unit includes a high-pressure gear pump 1, and a servo motor 2 for driving the high-pressure gear pump 1 to operate.
In the above embodiment, the servo motor 2 is used for independently driving the high-pressure gear pump 1, the high-pressure gear pump 1 is a machine suitable for conveying media, and the high-pressure gear pump 1 is used as a power source, which has at least the following advantages:
1. the structure is simple and compact, the volume is small, the weight is light, the manufacturability is good, and the price is low;
2. the self-priming force is strong, the oil pollution is not sensitive, the rotating speed range is large, and impact resistance load can be realized;
3. convenient maintenance and reliable work.
In some embodiments of the present invention, a check valve 3 is disposed in the conveying pipeline of the two-position three-way electromagnetic valve 4.
In the above embodiment, the two-position three-way electromagnetic valve 4 is controlled by the double coils, one coil is powered on instantly and then the power supply is turned off, and the valve is opened, and the other coil is powered on instantly and then the power supply is turned off and the valve is closed. The two-position three-way electromagnetic valve 4 can be kept in a closed or opened state for a long time, so that the service life of the coil is longer, and the two-position three-way electromagnetic valve is best used in a high-temperature pipeline.
In some embodiments of the present invention, a direct-acting overflow valve 7 is disposed in the conveying pipeline of the two-position three-way electromagnetic valve 4.
In the above embodiment, the relief valve is a hydraulic pressure control valve, and mainly plays roles of constant pressure relief, pressure stabilization, system unloading and safety protection in hydraulic equipment. The overflow valve is used for controlling the lifting load pressure of the oil cylinder of the jack 9 to be limited, the overflow valve comprises a direct-acting overflow valve 7 and a pilot-operated overflow valve, and the direct-acting overflow valve 7 selected at the position has the advantages of simple structure and high sensitivity.
In some embodiments of the present invention, a throttle valve 6 is disposed in the delivery pipeline of the two-position two-way solenoid valve 5.
In the above embodiment, the throttle valve 6 is a valve for controlling the flow of fluid by changing the throttle section or the throttle length, and is used to adjust the lowering speed of the cylinder of the jack 9.
The two-position two-way electromagnetic valve 5 is a mechanical principle combining direct action and pilot type, and the two-position two-way electromagnetic valve 5 at least has the following advantages:
1. the leakage is blocked, the inner leakage is easy to control, and the use is safe;
2. the system is simple, and the price is low;
3. the action express delivery, the power is little, and the appearance is light and handy.
In some embodiments of the present invention, a pressure gauge 8 for detecting the pressure of the hydraulic cylinder of the jack 9 is disposed in the infusion pipeline 10.
In the above embodiment, the pressure gauge 8 can be used for measuring and displaying the pressure of the oil cylinder of the jack 9 in the electro-hydraulic system in real time.
In some embodiments of the present invention, the infusion pipeline 10, the pipeline of the two-position three-way solenoid valve 4, and the pipeline of the two-position two-way solenoid valve 5 are stainless steel pipes.
In the above embodiments, the stainless steel pipe has advantages of heat resistance, high temperature resistance and corrosion resistance as a pipeline.
In some embodiments of the present invention, the infusion pipeline 10 and the pipeline of the oil circuit control unit are detachably connected to each other.
In the above embodiment, the connection between the infusion pipeline 10 and the oil control unit pipeline is removed to facilitate maintenance and repair.
In some embodiments of the present invention, the oil path control unit and the power unit are commonly connected to a controller.
In the above-mentioned embodiment, the utility model is used for external 220VAC external power source, the controller is used for oil circuit control unit and power pack's centralized control, and the controller is connected with switch, is used for control the utility model discloses an on-off electricity.
To sum up, the embodiment of the utility model provides an external electric adjusting device of manual jack 9, it has following technological effect at least:
in the utility model, on the first hand, the two-position three-way electromagnetic valve 4 and the two-position two-way electromagnetic valve 5 are both in the closed state, and the manual jacking or descending function can be realized by adjusting the manual pressing part of the manual jack 9, so that the two-position three-way electromagnetic valve is suitable for the condition without an external power supply; in the second aspect, under the condition of having an external power supply, the two-position three-way electromagnetic valve 4 is in an open state, the two-position two-way electromagnetic valve 5 is in a closed state, the power unit is enabled to work, the power unit enables hydraulic oil in an oil tank of the jack 9 to be conveyed to a hydraulic oil cylinder of the jack 9 through the liquid conveying pipeline 10, jacking of a piston rod of the jack 9 is achieved, otherwise, the two-position three-way electromagnetic valve 4 and the power unit are both enabled to be closed, the two-position two-way electromagnetic valve 5 is in an open state, the piston rod enables hydraulic oil of the hydraulic oil rod of the jack 9 to flow back to the oil tank through the liquid conveying pipeline under the action of external pressure, and contraction of the piston rod is achieved. The utility model discloses connect in hand jack 9, make hand jack 9 have electronic and manual dual operation mode simultaneously, realized hand jack 9's resource recycle, practiced thrift cost in business.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The externally-hung electric adjusting device of the manual jack is characterized by comprising a liquid conveying pipeline, an oil way control unit and a power unit which are connected in parallel to a hydraulic oil pipeline of the manual jack;
the oil way control unit comprises a two-position three-way electromagnetic valve and a two-position two-way electromagnetic valve, the two-position three-way electromagnetic valve and the two-position two-way electromagnetic valve are connected in parallel and then are connected into the infusion pipeline, the two-position three-way electromagnetic valve enables oil in the infusion pipeline to flow to a hydraulic oil cylinder of the jack, and the two-position two-way electromagnetic valve enables the oil in the infusion pipeline to flow to an oil tank of the jack;
the power unit is arranged in an oil liquid conveying pipeline of the two-position three-way electromagnetic valve.
2. The externally-hung electric adjusting device of the manual jack according to claim 1, wherein the power unit comprises a high-pressure gear pump and a servo motor for driving the high-pressure gear pump to operate.
3. The externally hung electric adjusting device of the hand jack according to claim 2, wherein a one-way valve is arranged in the conveying pipeline of the two-position three-way electromagnetic valve.
4. The externally hung electric adjusting device of the hand jack according to claim 3, wherein a direct-acting overflow valve is arranged in the conveying pipeline of the two-position three-way electromagnetic valve.
5. The externally hung electric adjusting device of the manual jack according to claim 4, wherein a throttle valve is arranged in a conveying pipeline of the two-position two-way electromagnetic valve.
6. The externally-hung electric adjusting device for the manual jack according to claim 5, wherein a pressure gauge for detecting the pressure of the hydraulic oil cylinder of the jack is arranged in the infusion pipeline.
7. The externally-hung electric adjusting device of the manual jack according to any one of claims 1 to 6, wherein the infusion pipeline, the pipeline of the two-position three-way electromagnetic valve and the pipeline of the two-position two-way electromagnetic valve are all stainless steel pipes.
8. The external hanging electric adjusting device of the manual jack according to claim 7, wherein the infusion pipeline is detachably connected with the pipeline of the oil circuit control unit.
9. The externally hung electric adjusting device of the manual jack according to claim 2, wherein the oil circuit control unit and the power unit are connected with a controller together.
CN202222289131.9U 2022-08-30 2022-08-30 External electric adjusting device of manual jack Active CN218560968U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222289131.9U CN218560968U (en) 2022-08-30 2022-08-30 External electric adjusting device of manual jack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222289131.9U CN218560968U (en) 2022-08-30 2022-08-30 External electric adjusting device of manual jack

Publications (1)

Publication Number Publication Date
CN218560968U true CN218560968U (en) 2023-03-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222289131.9U Active CN218560968U (en) 2022-08-30 2022-08-30 External electric adjusting device of manual jack

Country Status (1)

Country Link
CN (1) CN218560968U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116119565A (en) * 2023-04-17 2023-05-16 四川航泰航空装备有限公司 Manual-automatic integrated universal hydraulic jack mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116119565A (en) * 2023-04-17 2023-05-16 四川航泰航空装备有限公司 Manual-automatic integrated universal hydraulic jack mechanism
CN116119565B (en) * 2023-04-17 2023-07-25 四川航泰航空装备有限公司 Manual-automatic integrated universal hydraulic jack mechanism

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