CN212055333U - Miniature intelligent remote control electro-hydraulic actuator - Google Patents

Abstract

The invention relates to the technical field of actuators, and discloses a miniature intelligent remote control electro-hydraulic actuator, which comprises a hydraulic cylinder sleeve. This miniature intelligent remote control electricity liquid executor, drive the gear pump through the inside driving motor of miniature power pack and rotate output high-pressure hydraulic oil, the high-pressure hydraulic oil of miniature power pack output gets into the hydraulic cylinder cover in the hydraulic executor through the valve block, promote rack straight stroke motion, the rack drives the tooth axle and is the angle stroke motion, the tooth axle drives the master gear again and rotates, the master gear drives its outside from gear revolve, make the angle encoder on the slave gear can receive electrical apparatus pulse signal when from gear revolve, 4-20 mA's signal through 4-20 mA's control feedback module conversion and angle change position linear proportion, the rethread control feedback module passes through bluetooth module with pivoted angle and uploads to cell-phone APP customer end or computer terminal, realize remote monitoring, the purpose that has reached convenient to use.

Description

Miniature intelligent remote control electro-hydraulic actuator

Technical Field

The invention relates to the technical field of actuators, in particular to a miniature intelligent remote control electro-hydraulic actuator.

Background

The actuator is used as a power device, is a device for receiving control information and exerting a control effect on a controlled object in an automation technology tool, integrates the technologies of pneumatics, hydraulics, control, electromechanics, computers, communication and the like, can quickly and stably accurately control the position of the controlled object, is not only applied to the driving and control of various valves, but also is widely applied to various parts needing power driving in the fields of electric power, water conservancy, metallurgy, papermaking, aerospace, pipelines, petrifaction, industrial equipment, food processing and the like.

Various electrohydraulic actuators in the market at present are disclosed, for example, chinese patent CN 103174698B discloses an electrohydraulic actuator, which uses an electromechanical brake device to brake a motor rotor to maintain a relatively large pressure in a hydraulic circuit, consumes relatively small energy to maintain a relatively large pressure in the hydraulic circuit, and can avoid that the existing electrohydraulic actuator needs to consume high energy and generate high heat for maintaining a relatively large pressure motor in the hydraulic circuit, but the device cannot accurately control and adjust a rotation angle of the electrohydraulic actuator, has a relatively large volume, is not suitable for a ship with a high requirement for a small space, is not convenient enough to operate, cannot remotely implement a series of detection and switching operations, and thus has relatively low use convenience, and thus a miniature intelligent remote control electrohydraulic actuator is provided to solve the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a miniature intelligent remote control electro-hydraulic actuator which has the advantages of convenience in use and the like, and solves the problems that the device cannot accurately control and adjust the rotation angle of the electro-hydraulic actuator, is large in size, is not suitable for ships with high requirements on small space, is not convenient to operate, cannot remotely implement a series of detection and switch operation, and is low in use convenience.

(II) technical scheme

In order to achieve the purpose of convenient use, the invention provides the following technical scheme: the miniature intelligent remote control electro-hydraulic actuator comprises a hydraulic cylinder sleeve, a chute is arranged in the hydraulic cylinder sleeve, first fixing bolts are fixedly arranged on the left side and the right side of the hydraulic cylinder sleeve respectively, a guide sleeve is fixedly arranged in the chute, a rack is movably arranged in the guide sleeve, a repeater is fixedly arranged on the front side of the hydraulic cylinder sleeve, a cover plate is fixedly arranged on the front side of the repeater, a fixing nut is fixedly arranged on the front side of the cover plate, a master gear is fixedly arranged in the repeater, a slave gear is meshed on the outer side of the master gear, an angle encoder is fixedly arranged on the outer side of the slave gear, a miniature hydraulic power unit is fixedly arranged at the bottom of the hydraulic cylinder sleeve, a mounting plate is fixedly arranged on the outer side of the miniature hydraulic power unit, and second fixing bolts are fixedly arranged on the left side and the right side of the miniature hydraulic, the utility model discloses a hydraulic power unit, including miniature hydraulic power unit, driver, drive motor, the inside fixed mounting of driver has temperature sensor, the inside fixed mounting of driver has the temperature detect switch, the inside fixed mounting of miniature hydraulic power unit has control feedback module, the inside fixed mounting of miniature hydraulic power unit has bluetooth module, the back fixed mounting of master gear has the tooth axle, the outside fixed mounting of tooth axle has deep groove ball bearing, the inside fixed mounting of miniature hydraulic power unit has the alarm, the inside fixed mounting of miniature hydraulic power unit has hydraulic interlocking system valve, the two-way signal connection of bluetooth module has cell-phone APP customer end, the two-way signal connection of bluetooth module has computer terminal.

Preferably, the size of the sliding groove is matched with that of a rack, and the rack is meshed with the gear shaft.

Preferably, the number of the guide sleeves is two, and the rack is located between the two guide sleeves.

Preferably, the number of the fixing nuts is four, and the four fixing nuts are uniformly distributed on the front surface of the cover plate.

Preferably, the diameter of the slave gear is smaller than that of the master gear, and the hydraulic cylinder sleeve is communicated with the signal receiver.

Preferably, the number of the second fixing bolts is four, and the second fixing bolts are symmetrically distributed on the left side and the right side of the central axis of the miniature hydraulic power unit.

Preferably, the back of the gear shaft extends through the front face of the cylinder liner and into the interior of the cylinder liner.

Preferably, the guide sleeve is a copper sleeve, a guide groove is formed in the outer side of the guide sleeve, and the rack is located inside the guide groove.

Preferably, the output of hydraulic pressure interlocking system valve is connected with the input electricity of control feedback module, alarm and bluetooth module both-way signal are connected, angle encoder is connected with the both-way electricity of control feedback module, driving motor's input is connected with temperature detect switch's output electricity, temperature detect switch's input is connected with temperature sensor's output electricity, bluetooth module and control feedback module both-way signal are connected, bluetooth module and temperature sensor both-way signal are connected.

(III) advantageous effects

Compared with the prior art, the invention provides a miniature intelligent remote control electro-hydraulic actuator, which has the following beneficial effects:

1. the miniature intelligent remote control electro-hydraulic actuator drives a gear pump to rotate by a driving motor in a miniature power unit to output high-pressure hydraulic oil, the high-pressure hydraulic oil output by the miniature power unit enters a hydraulic cylinder sleeve in the hydraulic actuator through a valve block to push a rack to move in a straight stroke, the rack drives a gear shaft to move in an angular stroke, the gear shaft drives a main gear to rotate, the main gear drives a secondary gear outside the main gear to rotate, an angle encoder on the secondary gear receives an electric appliance pulse signal when the secondary gear rotates, a 4-20mA signal linearly proportional to an angle change position is converted by a 4-20mA control feedback module, the current signal is changed along with the angle change of the electro-hydraulic actuator, the signal is gradually increased from off to on and is gradually reduced from on to off, and the electro-hydraulic actuator is always kept to rotate at an angle of 0-90 degrees, the current variation value is within 4-20mA, and then the control feedback module uploads the rotating angle to a mobile phone APP client or a computer terminal through a Bluetooth module, so that remote monitoring is realized, and the purpose of convenient use is achieved.

2. The micro intelligent remote control electro-hydraulic actuator is locked by an internal hydraulic lock to keep the angle unchanged by controlling the micro intelligent electro-hydraulic actuator to stop at any angle between 0 and 90 degrees, the action condition of the micro intelligent electro-hydraulic actuator can be monitored by a mobile phone or a computer on the premise of not opening a box cover through a Bluetooth module, and the fault can be quickly set, a temperature sensor can monitor the temperature of a driving motor in the driver in real time, and the temperature information is uploaded to a mobile phone APP client and a computer terminal through the Bluetooth module, so that the temperature can be conveniently checked, and when the temperature is higher than a certain upper limit, a signal is sent to a temperature control switch to power off the driving motor, so that a good protection effect is achieved, the intelligent electro-hydraulic actuator adopts closed loop oil circuit control, and the problem that a leakage point cannot be found in an oil leakage pipeline of a common hydraulic actuator is solved, meanwhile, a hydraulic interlocking system valve is arranged in the micro power unit, the micro power unit can be effectively locked in a stop state, the stopped position can be kept even if a power supply is powered off, a pneumatic actuator does not need to be provided with a dry air or air purification device, the micro power unit is conveniently and simply connected with a computer, the micro power unit is more suitable for adopting a new electronic information technology, and the purpose of convenience in use is achieved.

Drawings

FIG. 1 is a top view of a miniature intelligent remote control electro-hydraulic actuator according to the present invention;

FIG. 2 is a left side view of the miniature intelligent remote control electro-hydraulic actuator according to the present invention;

FIG. 3 is a schematic structural diagram of a system of a miniature intelligent remote control electro-hydraulic actuator provided by the invention.

In the figure: the device comprises a hydraulic cylinder sleeve 1, a sliding groove 2, a guide sleeve 3, a rack 4, a signal-returning device 5, a master gear 6, a slave gear 7, an angle encoder 8, a miniature hydraulic power unit 9, a driver 10, a driving motor 11, a first fixing bolt 12, a cover plate 13, a fixing nut 14, a second fixing bolt 15, a temperature sensor 16, a temperature control switch 17, a control feedback module 18, a Bluetooth module 19, a toothed shaft 20, a deep groove ball bearing 21, an alarm 22, a hydraulic interlocking system valve 23, a mobile phone APP client 24, a computer terminal 25 and a mounting plate 26.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a miniature intelligent remote control electro-hydraulic actuator comprises a hydraulic cylinder sleeve 1, a chute 2 is arranged inside the hydraulic cylinder sleeve 1, first fixing bolts 12 are fixedly arranged on the left side and the right side of the hydraulic cylinder sleeve 1, a guide sleeve 3 is fixedly arranged inside the chute 2, a rack 4 is movably arranged inside the guide sleeve 3, the guide sleeve 3 is a copper sleeve which is good in heat resistance and wear-resistant and can bear the sliding of the rack 4 for multiple times, a guide groove is arranged on the outer side of the guide sleeve 3, the rack 4 is arranged inside the guide groove, the number of the guide sleeve 3 is two, the rack 4 is arranged between the two guide sleeves 3, a repeater 5 is fixedly arranged on the front side of the hydraulic cylinder sleeve 1, the hydraulic cylinder sleeve 1 is communicated with the repeater 5, a cover plate 13 is fixedly arranged on the front side of the repeater 5, fixing nuts 14 are fixedly arranged on the front side of the cover plate 13, and the number of, four fixing nuts 14 are uniformly distributed on the front surface of a cover plate 13, a main gear 6 is fixedly arranged inside a transponder 5, a slave gear 7 is meshed on the outer side of the main gear 6, an angle encoder 8 is fixedly arranged on the outer side of the slave gear 7, a miniature hydraulic power unit 9 is fixedly arranged at the bottom of a hydraulic cylinder sleeve 1, a mounting plate 26 is fixedly arranged on the outer side of the miniature hydraulic power unit 9, second fixing bolts 15 are fixedly arranged on the left side and the right side of the miniature hydraulic power unit 9, the number of the second fixing bolts 15 is four, the second fixing bolts 15 on the left side and the right side are symmetrically distributed on the left side and the right side of the central axis of the miniature hydraulic power unit 9, a driver 10 is fixedly arranged inside the miniature hydraulic power unit 9, a driving motor 11 is fixedly arranged inside the driver 10, a temperature sensor 16 is fixedly arranged inside the driver 10, and a temperature control, the input end of a driving motor 11 is electrically connected with the output end of a temperature control switch 17, the input end of the temperature control switch 17 is electrically connected with the output end of a temperature sensor 16, a control feedback module 18 is fixedly installed inside a micro hydraulic power unit 9, the diameter of a secondary gear 7 is smaller than that of a primary gear 6, an angle encoder 8 is electrically connected with the control feedback module 18 in a bidirectional mode, a Bluetooth module 19 is fixedly installed inside the micro hydraulic power unit 9, the Bluetooth module 19 is in bidirectional signal connection with the control feedback module 18, the Bluetooth module 19 is in bidirectional signal connection with the temperature sensor 16, a gear shaft 20 is fixedly installed on the back of the primary gear 6, the back of the gear shaft 20 penetrates through the front of the hydraulic cylinder sleeve 1 and extends into the hydraulic cylinder sleeve 1, the size of a chute 2 is matched with the size of a rack 4, the rack 4 is meshed with the gear shaft 20, and a deep groove ball bearing, an alarm 22 is fixedly arranged inside the micro hydraulic power unit 9, a hydraulic interlocking system valve 23 is fixedly arranged inside the micro hydraulic power unit 9, the input end of the hydraulic interlocking system valve 23 is electrically connected with the output end of the control feedback module 18, the alarm 22 is in bidirectional signal connection with the Bluetooth module 19, the Bluetooth module 19 is in bidirectional signal connection with a mobile phone APP client 24, the Bluetooth module 19 is in bidirectional signal connection with a computer terminal 25, a drive motor 11 inside the micro power unit 9 drives a gear pump to rotate to output high-pressure hydraulic oil, the high-pressure hydraulic oil output by the micro power unit 9 enters a hydraulic cylinder sleeve 1 in a hydraulic actuator through a valve block to push a rack 4 to move in a straight stroke, the rack 4 drives a gear shaft 20 to move in an angular stroke manner, the gear shaft 20 drives a master gear 6 to rotate, the master gear 6 drives a slave gear 7 outside the master gear 6 to rotate, so that an angle encoder 8 on the slave gear 7 can receive an electrical appliance, 4-20mA signals linearly proportional to the angle change position are converted by the control feedback module 18 of 4-20mA, the current signals are changed along with the angle change of the electro-hydraulic actuator, the signals are gradually increased from off to on and gradually reduced from on to off, the electro-hydraulic actuator is always kept to rotate at an angle of 0-90 degrees, the current change value is within 4-20mA, the rotated angle is uploaded to the mobile phone APP client 24 or the computer terminal 25 through the control feedback module 18 by the Bluetooth module 19, the remote monitoring is realized, the purpose of convenient use is achieved, the micro intelligent electro-hydraulic actuator is controlled to stop at any angle between 0 and 90 degrees, the angle is kept unchanged by locking of the internal hydraulic lock, and the action condition of the micro intelligent electro-hydraulic actuator can be monitored by the mobile phone or the computer on the premise of not opening a box cover by the Bluetooth module 19, the quick setting of faults can be realized, the temperature sensor 16 can monitor the temperature of the driving motor 11 in the driver 10 in real time, the temperature information is uploaded to the mobile phone APP client 24 and the computer terminal 25 through the Bluetooth module 19, the temperature can be conveniently checked, and when the temperature is higher than a certain upper limit, a signal is sent to the temperature control switch 17 to power off the driving motor 11, so that a good protection effect is achieved, the intelligent electrohydraulic actuator adopts closed-loop oil circuit control, the problem that leakage points cannot be found due to oil leakage of a pipeline of a common hydraulic actuator is solved, meanwhile, a hydraulic interlocking system valve 23 is arranged in the micro power unit, the micro power unit can be effectively locked in a stopping state, even if a power supply is lost, the staying position can be kept, a pneumatic actuator does not need a dry air or air purification device, the connection with a computer is convenient and simple, and a new electronic information technology is more suitable for being adopted, the purpose of convenient use is achieved.

To sum up, the miniature intelligent remote control electro-hydraulic actuator drives the gear pump to rotate through the driving motor 11 in the miniature power unit 9 to output high-pressure hydraulic oil, the high-pressure hydraulic oil output by the miniature power unit 9 enters the hydraulic cylinder sleeve 1 in the hydraulic actuator through the valve block to push the rack 4 to do straight stroke motion, the rack 4 drives the gear shaft 20 to do angular stroke motion, the gear shaft 20 drives the main gear 6 to rotate, the main gear 6 drives the slave gear 7 on the outer side of the main gear to rotate, so that the angle encoder 8 on the slave gear 7 can receive electric pulse signals when the slave gear 7 rotates, 4-20mA signals linearly proportional to the angular change position are converted through the control feedback module 18 of 4-20mA, the current signals are changed along with the angular change of the electro-hydraulic actuator, the signals are gradually increased from off to on and gradually decreased from on to off, the electro-hydraulic actuator is always kept to rotate by 0-90 degrees, the current change value is within 4-20mA, and the rotated angle is uploaded to the mobile phone APP client 24 or the computer terminal 25 through the control feedback module 18 through the Bluetooth module 19, so that remote monitoring is realized, and the purpose of convenience in use is achieved.

Moreover, the micro intelligent electrohydraulic actuator is controlled to stop at any angle between 0 and 90 degrees, the angle is kept unchanged by locking of an internal hydraulic lock, the action condition of the micro intelligent electrohydraulic actuator can be monitored by a mobile phone or a computer on the premise of not opening a box cover through the Bluetooth module 19, the fault can be quickly set, the temperature of the driving motor 11 in the driver 10 can be monitored by the temperature sensor 16 in real time, temperature information is uploaded to the mobile phone APP client 24 and the computer terminal 25 through the Bluetooth module 19, the temperature can be conveniently checked, and when the temperature is higher than a certain upper limit, a signal is sent to the temperature control switch 17 to power off the driving motor 11, so that a good protection effect is achieved, the intelligent electrohydraulic actuator adopts closed-loop oil circuit control, the problem that the oil leakage point of a common hydraulic actuator pipeline cannot be found is solved, and meanwhile, a hydraulic interlocking system valve 23 is arranged in the micro power unit 9, can effectively lock under the stop state, even the power loses the electricity, also can keep the position that stops, need not like pneumatic actuator needs dry air or air purification device, it is convenient succinct to be connected with the computer, more adapt to and adopt the new technique of electronic information, the purpose that facilitates the use has been reached, the turned angle that the device can't accurate control and adjust the electric liquid executor has been solved, and the volume is great, not be applicable to the very high boats and ships of requirement in little space, and the operation is convenient inadequately, can not long-rangely implement a series of detection and switch operation, lead to the lower problem of convenience in use.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. Miniature intelligent remote control electricity liquid executor, including hydraulic cylinder cover (1), its characterized in that: the hydraulic cylinder sleeve is characterized in that a sliding groove (2) is formed in the hydraulic cylinder sleeve (1), first fixing bolts (12) are fixedly mounted on the left side and the right side of the hydraulic cylinder sleeve (1), a guide sleeve (3) is fixedly mounted in the sliding groove (2), a rack (4) is movably mounted in the guide sleeve (3), a repeater (5) is fixedly mounted on the front side of the hydraulic cylinder sleeve (1), a cover plate (13) is fixedly mounted on the front side of the repeater (5), a fixing nut (14) is fixedly mounted on the front side of the cover plate (13), a main gear (6) is fixedly mounted in the repeater (5), a driven gear (7) is meshed with the outer side of the main gear (6), an angle encoder (8) is fixedly mounted on the outer side of the driven gear (7), and a miniature hydraulic power unit (9) is fixedly mounted at the bottom of the hydraulic cylinder sleeve (1), the outside fixed mounting of miniature hydraulic power unit (9) has mounting panel (26), the equal fixed mounting in both sides has second fixing bolt (15) about miniature hydraulic power unit (9), the inside fixed mounting of miniature hydraulic power unit (9) has driver (10), the inside fixed mounting of driver (10) has driving motor (11), the inside fixed mounting of driver (10) has temperature sensor (16), the inside fixed mounting of driver (10) has temperature detect switch (17), the inside fixed mounting of miniature hydraulic power unit (9) has control feedback module (18), the inside fixed mounting of miniature hydraulic power unit (9) has bluetooth module (19), the back fixed mounting of master gear (6) has tooth axle (20), the outside fixed mounting of tooth axle (20) has deep groove ball bearing (21), the inside fixed mounting of miniature hydraulic power unit (9) has alarm (22), the inside fixed mounting of miniature hydraulic power unit (9) has hydraulic pressure interlocking system valve (23), bluetooth module (19) two-way signal connection has cell-phone APP customer end (24), bluetooth module (19) two-way signal connection has computer terminal (25).

2. The miniature intelligent remote control electro-hydraulic actuator of claim 1, wherein: the size of the sliding chute (2) is matched with that of the rack (4), and the rack (4) is meshed with the gear shaft (20).

3. The miniature intelligent remote control electro-hydraulic actuator of claim 1, wherein: the number of the guide sleeves (3) is two, and the rack (4) is located between the two guide sleeves (3).

4. The miniature intelligent remote control electro-hydraulic actuator of claim 1, wherein: the number of the fixing nuts (14) is four, and the four fixing nuts (14) are uniformly distributed on the front surface of the cover plate (13).

5. The miniature intelligent remote control electro-hydraulic actuator of claim 1, wherein: the diameter of the slave gear (7) is smaller than that of the master gear (6), and the hydraulic cylinder sleeve (1) is communicated with the signal transmitter (5).

6. The miniature intelligent remote control electro-hydraulic actuator of claim 1, wherein: the number of the second fixing bolts (15) is four, and the second fixing bolts (15) are symmetrically distributed on the left side and the right side of the central axis of the miniature hydraulic power unit (9).

7. The miniature intelligent remote control electro-hydraulic actuator of claim 1, wherein: the back of the gear shaft (20) penetrates through the front surface of the hydraulic cylinder sleeve (1) and extends into the hydraulic cylinder sleeve (1).

8. The miniature intelligent remote control electro-hydraulic actuator of claim 1, wherein: the guide sleeve (3) is a copper sleeve, a guide groove is formed in the outer side of the guide sleeve (3), and the rack (4) is located inside the guide groove.

9. The miniature intelligent remote control electro-hydraulic actuator of claim 1, wherein: the output of hydraulic pressure interlocking system valve (23) is connected with the input electricity of control feedback module (18), alarm (22) and bluetooth module (19) two-way signal connection, angle encoder (8) are connected with control feedback module (18) two-way electricity, the input of driving motor (11) is connected with temperature detect switch (17)'s output electricity, temperature detect switch (17)'s input is connected with the output electricity of temperature sensor (16), bluetooth module (19) and control feedback module (18) two-way signal connection, bluetooth module (19) and temperature sensor (16) two-way signal connection.

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