CN217108441U - Modular electro-hydraulic linkage actuator - Google Patents
Modular electro-hydraulic linkage actuator Download PDFInfo
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- CN217108441U CN217108441U CN202220787401.6U CN202220787401U CN217108441U CN 217108441 U CN217108441 U CN 217108441U CN 202220787401 U CN202220787401 U CN 202220787401U CN 217108441 U CN217108441 U CN 217108441U
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Abstract
The utility model relates to the technical field of actuators, in particular to a modular electro-hydraulic linkage actuator, which comprises a hydraulic actuator module, a hydraulic power module, an angle signal switch and an electric control module; the hydraulic power module is connected with an oil cylinder of the hydraulic actuator module through an oil pipe; the angle signal switch is connected with a middle gear shaft of the hydraulic actuator module; the electric control module is respectively electrically connected with the hydraulic power module and the angle signal switch and used for issuing a control instruction to the hydraulic power module and receiving the working state of the hydraulic actuator module through the angle signal switch. The device is simple in structure, modular in assembly and high in control precision, and can realize automatic safety monitoring of the hydraulic actuator.
Description
Technical Field
The utility model relates to an executor technical field especially relates to a modular electricity liquid linkage executor.
Background
The actuator is a mechanism which is mainly arranged on the valve and is used for driving the valve to open and close. The existing actuator mainly comprises an electric actuator, a hydraulic actuator and a pneumatic actuator, wherein:
the electric actuator has the advantages that the electric actuator has extremely high stability, can provide constant thrust, is higher than a pneumatic actuator but lower than a hydraulic actuator in the provided thrust, and has lower cost, higher cost performance and easier erection and application compared with the initial investment required by the hydraulic actuator; the electric actuator has good deviation resistance, the output thrust and torque can be kept basically constant, and the control precision is higher than that of a pneumatic actuator, which is important for the field with high operation process requirements. After the electric actuator is matched with the servo amplifier, the exchange of positive and negative functions can be realized, and the valve position state after the signal is cut off can be controlled, which cannot be realized by a pneumatic actuator.
The hydraulic actuator provides the largest thrust among the three actuators, and the thrust of the hydraulic actuator is controlled very much, so that the thrust level of the hydraulic actuator can be accurately reflected through a hydraulic meter; the hydraulic actuator has stable transmission, sensitive response and easy control; the safety of the hydraulic actuator is positioned between the pneumatic actuator and the electric actuator, so that the hydraulic actuator is not easy to strike fire and is more explosion-proof than the electric actuator.
Finally, if an electrohydraulic actuator can be provided, and the advantages and the integration of the electric actuator and the hydraulic actuator are integrated, the actuator can adapt to more scenes and is easy to operate and control. However, the existing technical schemes have the problems that the electro-hydraulic devices can not work in a cooperative mode and interfere with each other, and the actuators cannot be well monitored.
Therefore, a new technical solution is urgently needed to solve the technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's problem, provide a modular electricity liquid linkage executor, including executor module, hydraulic power module, angle signal switch and the electric control module that surges, give through the electric control module hydraulic power module sends the instruction that the executor module work that drives that surges, and through receiving the executor module operating condition data that surges of hydraulic power module feedback realizes full automation operation and the control to the executor module that surges. The closed-loop feedback of the instruction control, the actuator action execution and the execution state information of the actuator can be realized, the accurate monitoring of the valve state can be realized through a plurality of monitoring units, and the production safety can be effectively improved; the device is simple in structure, modular in assembly and high in control precision, and can realize automatic safety monitoring of the hydraulic actuator.
The above purpose is realized by the following technical scheme:
a modular electro-hydraulic linkage actuator comprises a hydraulic actuator module, a hydraulic power module, an angle signal switch and an electric control module; the hydraulic power module is connected with an oil cylinder of the hydraulic actuator module through an oil pipe; the angle signal switch is connected with a middle gear shaft of the hydraulic actuator module; the electric control module is respectively electrically connected with the hydraulic power module and the angle signal switch and used for issuing a control instruction to the hydraulic power module and receiving the working state of the hydraulic actuator module through the angle signal switch.
Further, the hydraulic actuator module comprises an intermediate gear shaft which can act on the valve, the intermediate gear shaft is meshed with the rack type piston, and the rack type piston is driven by the oil cylinder.
Further, the rack type piston is a single rack piston or a double rack piston.
Further, a stroke adjusting mechanism is provided at an end of the cylinder for limiting a stroke of the rack piston.
Furthermore, the hydraulic power module comprises a motor, a hydraulic valve block and an oil tank which are connected with each other, and the pressure night valve block is connected with the oil cylinder through an oil pipe.
Further, angle signal switch includes explosion-proof seat, the bottom of explosion-proof seat is connected with the installing support, the top of explosion-proof seat is provided with the explosion-proof lid that matches with it, constitutes the installation cavity, explosion-proof covering is provided with mobilizable observation lid, the bottom of observing the lid is connected with the top of center pin, the bottom of center pin runs through in proper order explosion-proof seat with behind the installing support with the intermediate gear hub connection.
Further, an angle sensor is arranged in the installation cavity, correspondingly, a central shaft gear is sleeved on the central shaft, and the central shaft gear can be meshed with a sensor gear arranged at the end part of a rotating shaft of the angle sensor.
Further, the angle sensor is a 360 degree angle sensor.
Furthermore, at least one angle limit contact switch is arranged in the explosion-proof cover.
Furthermore, the number of the angle limiting contact switches is 2-4.
Further, the electric control module comprises a control main board packaged by an electric control shell, and two ends of the electric control shell are respectively provided with an operation end cover and an access wiring end cover.
Furthermore, a display screen, a control key and/or a knob are arranged on the operation end cover.
Further, the electric control shell is shaped by AT section bars or GT section bars.
Advantageous effects
A pair of modular electricity liquid linkage executor, include executor module, hydraulic power module, angle signal switch and the electric control module that surges, give through the electric control module hydraulic power module sends the instruction that the executor module work that drives surges, and through receiving the executor module operating condition data that surges of hydraulic power module feedback realizes full automation operation and the control to the executor module that surges. The device is simple in structure, modular in assembly and high in control precision, and can realize automatic safety monitoring of the hydraulic actuator.
Drawings
Fig. 1 is a side view of a modular electro-hydraulic linkage actuator according to the present invention;
fig. 2 is a top view of a modular electro-hydraulic linkage actuator according to the present invention;
fig. 3 is a cross-sectional view of a modular electro-hydraulic linkage actuator according to the present invention;
fig. 4 is a schematic structural diagram of an angle signal switch of the modular electro-hydraulic linkage actuator according to the present invention;
fig. 5 is a perspective view of the modular electro-hydraulic linkage actuator according to the present invention.
Graphic notation:
the hydraulic control system comprises a 1-hydraulic actuator module, a 11-intermediate gear shaft, a 12-rack type piston, a 13-oil cylinder, a 14-stroke adjusting mechanism, a 2-hydraulic power module, a 21-motor, a 22-hydraulic valve block, a 23-oil tank, a 3-angle signal switch, a 31-explosion-proof seat, a 32-mounting bracket, a 33-explosion-proof cover, a 34-mounting cavity, a 35-observation cover, a 36-central shaft, a 37-angle sensor, a 38-central shaft gear, a 39-sensor gear, a 310-angle limit contact switch, a 4-electric control module, a 41-electric control shell, a 42-operating end cover, a 43-in-out wiring end cover, a 44-display screen, a 45-control key and a 46-knob.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples.
As shown in fig. 1 and 2, a modular electro-hydraulic linkage actuator comprises a hydraulic actuator module 1, a hydraulic power module 2, an angle signal switch 3 and an electric control module 4; the hydraulic power module 2 is connected with the oil cylinder 13 of the hydraulic actuator module 1 through an oil pipe; the angle signal switch 3 is connected with an intermediate gear shaft 11 of the hydraulic actuator module 1; the electric control module 4 is respectively electrically connected with the hydraulic power module 2 and the angle signal switch 3, and is used for issuing a control instruction to the hydraulic power module 2 and receiving the working state of the hydraulic actuator module 1 through the angle signal switch 3.
As shown in fig. 3, as an optimization of the hydraulic actuator module 1 in this embodiment, the hydraulic actuator module 1 includes the intermediate gear shaft 11 acting on a valve in a pipeline, the intermediate gear shaft 11 is engaged with the rack-type piston 12, and the rack-type piston 12 is driven by the oil cylinder 13.
In the present embodiment, the rack piston 12 is a single rack piston or a double rack piston.
In the hydraulic actuator module 1, a stroke adjustment mechanism 14 is provided at an end of the cylinder 13 for limiting a stroke of the rack piston 12.
As shown in fig. 5, as an optimization of the hydraulic power module 2 in the present embodiment, the hydraulic power module 2 includes a motor 21, a hydraulic valve block 22 and an oil tank 23, which are connected to each other, and the pressure and night valve block 22 is connected to the oil cylinder 13 through an oil pipe; the rack-type piston 12 is driven by controlling the change of oil pressure in the oil cylinders 13 at the two ends of the rack-type piston 12, and the middle gear shaft 11 is indirectly driven.
As shown in fig. 4, as an optimization of the angle signal switch 3 in this embodiment, the angle signal switch 3 includes an explosion-proof seat 31, a mounting bracket 32 is connected to a bottom of the explosion-proof seat 31, the mounting bracket is used to form a fixation with the hydraulic actuator module 1, an explosion-proof cover 33 matched with the explosion-proof seat 31 is arranged on a top of the explosion-proof seat 31 to form a mounting cavity 34, a movable observation cover 35 is arranged on the explosion-proof cover 33, a bottom of the observation cover 35 is connected to a top of a central shaft 36, and a bottom of the central shaft 36 sequentially penetrates through the explosion-proof seat 31 and the mounting bracket 32 and then is connected to the intermediate gear shaft 11;
when the intermediate gear shaft 11 is driven by the rack-type piston 12 to rotate clockwise or counterclockwise, the intermediate shaft 36 is driven to rotate synchronously, and the intermediate shaft 36 drives the observation cover 35 to rotate synchronously; the observation cover 35 can be made into a hemisphere shape, and a switch mark is arranged on the spherical surface, so that observation is facilitated.
An angle sensor 37 is arranged in the mounting cavity 34, correspondingly, a central shaft gear 38 is sleeved on the central shaft 36, and the central shaft gear 38 can be meshed with a sensor gear 39 arranged at the end part of a rotating shaft of the angle sensor 37; when the intermediate shaft 36 rotates, the angle sensor 37 may acquire the angle of rotation and send the value to the electric control module 4.
In this embodiment, the angle sensor 39 is a 360-degree angle sensor, and can monitor the 360-degree angle state of the valve.
As a further optimization of the angle signal switch 3 in this embodiment, at least one angle limiting contact switch 310 is disposed in the explosion-proof cover 33, so that accurate monitoring of a preset angle of the valve can be realized.
In this embodiment, the angle limit contact switch 310 has 2 ~ 4, specifically is:
the first angle limit contact switch corresponds to a valve by 0 degree;
a second angle limit contact switch corresponding to 45 degrees of the valve;
the third angle limit contact switch corresponds to the valve for 90 degrees;
a fourth angle limit contact switch corresponding to 180 degrees of the valve;
the preset angle of the angle limiting contact switch 310 can be set according to the requirement.
As shown in fig. 5, as an optimization of the electric control module 4 in the present embodiment, the electric control module 4 includes a control main board (not labeled in the figure) enclosed by an electric control housing 41, and an operation end cap 42 and an access terminal end cap 43 are respectively disposed at two ends of the electric control housing 41.
As an optimization for the operation of the user, the operation end cap 42 is provided with a display 44, a control button 45 and/or a knob 46.
In the present embodiment, the electric control housing 41 is formed by AT-shaped material or GT-shaped material.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any conceivable changes or substitutions by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A modular electro-hydraulic linkage actuator is characterized by comprising a hydraulic actuator module, a hydraulic power module, an angle signal switch and an electric control module; the hydraulic power module is connected with an oil cylinder of the hydraulic actuator module through an oil pipe; the angle signal switch is connected with a middle gear shaft of the hydraulic actuator module; the electric control module is respectively electrically connected with the hydraulic power module and the angle signal switch and used for issuing a control instruction to the hydraulic power module and receiving the working state of the hydraulic actuator module through the angle signal switch.
2. The modular electro-hydraulic linkage actuator according to claim 1, wherein the hydraulic actuator module includes the intermediate pinion shaft operable to act on a valve, the intermediate pinion shaft engaging a rack-type piston, the rack-type piston being driven by the cylinder.
3. The modular electro-hydraulic linkage actuator of claim 2, wherein the rack-type piston is a single rack piston or a double rack piston.
4. The modular electro-hydraulic linkage actuator of claim 2, wherein a travel adjustment mechanism is provided at the end of the cylinder to limit the travel of the rack piston.
5. The modular electro-hydraulic linkage actuator according to claim 1, wherein the hydraulic power module comprises a motor, a hydraulic valve block and an oil tank which are connected with each other, and the hydraulic valve block is connected with the oil cylinder through an oil pipe.
6. The modular electro-hydraulic linkage actuator according to claim 1, wherein the angle signal switch comprises an explosion-proof base, a mounting bracket is connected to the bottom of the explosion-proof base, an explosion-proof cover matched with the explosion-proof base is arranged on the top of the explosion-proof base to form a mounting cavity, a movable observation cover is arranged on the explosion-proof cover, the bottom of the observation cover is connected with the top of the central shaft, and the bottom of the central shaft sequentially penetrates through the explosion-proof base and the mounting bracket and then is connected with the intermediate gear shaft.
7. The modular electro-hydraulic linkage actuator as claimed in claim 6, wherein an angle sensor is arranged in the mounting cavity, and correspondingly, a central shaft gear is sleeved on the central shaft and can be meshed with a sensor gear arranged at the end of a rotating shaft of the angle sensor.
8. The modular electro-hydraulic linkage actuator of claim 7, wherein the angle sensor is a 360 degree angle sensor.
9. The modular electro-hydraulic linkage actuator of claim 6, wherein at least one angular limit contact switch is disposed within the explosion-proof cover.
10. The modular electro-hydraulic linkage actuator according to claim 2, wherein the electric control module comprises a control main board encapsulated by an electric control housing, and an operation end cover and an access wiring end cover are respectively arranged at two ends of the electric control housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220787401.6U CN217108441U (en) | 2022-04-06 | 2022-04-06 | Modular electro-hydraulic linkage actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220787401.6U CN217108441U (en) | 2022-04-06 | 2022-04-06 | Modular electro-hydraulic linkage actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217108441U true CN217108441U (en) | 2022-08-02 |
Family
ID=82580163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220787401.6U Active CN217108441U (en) | 2022-04-06 | 2022-04-06 | Modular electro-hydraulic linkage actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217108441U (en) |
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2022
- 2022-04-06 CN CN202220787401.6U patent/CN217108441U/en active Active
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