CN114776662A

CN114776662A - Intelligent remote control heavy-load hydraulic cylinder based on Internet of things

Info

Publication number: CN114776662A
Application number: CN202210497435.6A
Authority: CN
Inventors: 张国雁
Original assignee: Shanxi Hydrogen Power Technology Co ltd
Current assignee: Shanxi Hydrogen Power Technology Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-07-22

Abstract

The invention relates to an intelligent remote control heavy-load hydraulic cylinder based on the Internet of things, which comprises a cylinder body, a guide sleeve, a piston rod and a cylinder bottom, wherein the guide sleeve is arranged at the upper end of the cylinder body, the cylinder bottom is arranged at the lower end of the cylinder body, the piston is arranged at the lower end of the piston rod, the piston rod and the piston are arranged in the cylinder body, the piston separates a cylinder body inner cavity into a rodless cavity and a rod cavity, a bidirectional motor pump is arranged in the piston, the piston is provided with a first oil duct connected with the rodless cavity, the piston body is provided with a second oil duct connected with the rod cavity, the bidirectional motor pump carries out pressure input or output through the first oil duct and the second oil duct, a containing cavity is arranged in the piston rod, a motor, a battery and a control component which are mutually and electrically connected are arranged in the containing cavity, a driving shaft of the motor is connected with the bidirectional motor pump to drive the forward rotation or reverse rotation, the driving force is strongest, the mounting distance is short, the structure is compact, no external system, pipelines and cables are adopted in various occasions and various working environments, the pump control system can be remotely controlled, has the characteristics of energy recovery and power distribution, and is low in energy consumption and wide in application.

Description

Intelligent remote control heavy-load hydraulic cylinder based on Internet of things

Technical Field

The invention belongs to the technical field of intelligent hydraulic actuators, and particularly relates to an intelligent remote control heavy-load hydraulic cylinder based on the Internet of things.

Background

The hydraulic cylinder is used as an actuating element, compared with an electric cylinder, an air cylinder and the like, the hydraulic cylinder has the characteristics of high energy density and stable driving, but the hydraulic cylinder needs a special hydraulic system for control, a complex connecting pipeline is needed between the hydraulic cylinder and the electric cylinder, the failure rate is high, the size is large, the energy loss of electric and hydraulic transmission is large, a plurality of harsh requirements of the current intelligent control neighborhood cannot be met, along with the technical development, the current actuating machinery generally needs networking for intelligent control, but the current hydraulic cylinder has no capacity of being independently integrated into the Internet of things as a single body for intelligent control.

Disclosure of Invention

The invention discloses an intelligent remote control heavy-load hydraulic cylinder based on the Internet of things, aiming at solving the problem of intelligent control of the hydraulic cylinder.

The invention adopts the following technical scheme:

the utility model provides an intelligence remote control heavy load pneumatic cylinder based on thing networking, the power tool comprises a cylinder body, the uide bushing, a piston, the piston rod, the cylinder bottom, the cylinder body upper end is connected and is set up the uide bushing, the cylinder body lower extreme sets up the cylinder bottom, the piston rod lower extreme is connected and is set up the piston, the piston rod, the cylinder body is arranged in to the piston, the piston separates cylinder body inner chamber and is the rodless chamber and have the pole chamber, be provided with the two-way motor pump in the piston, the piston sets up the oil duct I of connecting the rodless chamber, the piston body sets up the oil duct II that is connected with the pole chamber, the two-way motor pump passes through oil duct I, oil duct II carries out pressure input or output, set up in the piston rod and hold the chamber, hold the motor that is provided with the electricity interconnection, a battery, control components and parts, the drive shaft connection of motor drives two-way motor pump corotation or reversal.

An inner ring groove cavity is further formed in the inner hole of the guide sleeve, the inner ring groove cavity is a cavity with a certain compressible volume, and the inner ring groove cavity is communicated with a rod cavity.

The bidirectional motor pump is a plunger type bidirectional motor pump or an internal meshing bidirectional gear motor pump.

The control component includes: singlechip, WIFI module, bluetooth module, driver, WIFI module, bluetooth module connect the singlechip, and the driver is connected to the singlechip, driver control motor, control components and parts set up external remote control line, and the piston rod body of rod is connected to the remote control line as the antenna, externally carries out data wireless transmission.

The chamber includes: the motor is arranged in a lower end hole of the hollow cavity, the lower end of the hollow cavity is provided with a communication hole, the communication hole is communicated with the hollow cavity and is provided with a rod cavity, the upper end of the hollow cavity is provided with a high-pressure watertight connector, a connecting cable is arranged between the lower end of the high-pressure watertight connector and the motor, the upper end of the high-pressure watertight connector is provided with a control cavity, the battery cavity is arranged at the upper end of the control cavity, a control component is arranged in the control cavity, a battery is arranged in the battery cavity, a lead at the upper end of the high-pressure watertight connector is connected with the control component, and the lead of the control component is connected with the battery.

The uide bushing includes: the guide sleeve body, the pore canal K and the pore canal M are arranged in the inner annular groove cavity, the inner circle and the outer circle of the spacer are respectively sealed, the inner annular groove cavity is divided into an upper cavity and a lower cavity by the spacer, the pore canal K is connected with the upper cavity and the external environment, pressure gas is filled in the upper cavity, the external orifice of the pore canal K is sealed by a plug, and the pore canal M is communicated with the lower cavity and the rod cavity.

The spacer can also be a rubber diaphragm which is annularly glued in the inner ring groove cavity, and the rubber diaphragm separates the inner ring groove cavity into an upper cavity and a lower cavity.

The uide bushing includes: the guide sleeve body is provided with a first check valve and a second check valve, the first check valve is communicated with the inner ring groove cavity in a one-way mode and provided with a rod cavity, the second check valve is communicated with the rod cavity in a one-way mode and provided with a rod cavity and an inner ring groove cavity in a one-way mode, the hole channel K is communicated with the atmosphere, and the second check valve is provided with a pre-pressing spring.

The piston includes: piston body, ring gear, two-way crescent moon board, internal gear, specifically for the piston body is as the two-way gear motor pump body of inner gearing, and built-in pump core, the pump core includes: the piston body is provided with a first oil duct connected with the rodless cavity, and the piston body is provided with a second oil duct connected with the rod cavity.

The motor is any one of a closed motor, a closed servo motor, a high-voltage resistant motor and a high-voltage resistant servo motor.

Compared with the prior art, the invention can obtain the following technical effects: compared with other drivers, the driving force is strongest in the same volume, the driving pressure can be ultrahigh pressure, the mounting distance is shortest, the structure is compact, no external system, pipeline and cable are used, the device is suitable for various occasions and various working environments, can be remotely controlled, has the characteristics of energy recovery and power distribution, is low in energy consumption of a pump control system, is widely applied, can meet the driving working condition of a common linear large load, and can be used for wireless internet of things of vehicles, such as the shock absorption of automobiles, active telescopic shock absorption and passive telescopic energy storage.

The invention realizes the intellectualization of the hydraulic cylinder, the monomer modularization and the capability of the Internet of things.

Drawings

FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of FIG. 1A-A;

fig. 4 is a hydraulic schematic of the present invention.

Wherein, 1-cylinder body, 2-guide sleeve, 3-piston, 4-piston rod, 5-cylinder bottom, 6-hole seal, 7-spacer, 8-shaft seal, 9-high pressure watertight joint, 10-rodless cavity, 11-rod cavity, 12-motor, 13-cable, 14-filling hole, 15-control component, 16-remote control line, 17-battery, 18-external connecting piece, 201-guide sleeve body, 202-pore channel K, 203-upper cavity, 204-lower cavity, 205-pore channel M, 206-one-way valve I, 207-one-way valve II, 208-sealing ring, 301-piston body, 302-inner gear ring, 303-bidirectional crescent plate, 304-inner gear, 305-oil channel I, 306-oil channel II, 401-communication hole, 402-hollow cavity, 403-control cavity, 404-battery cavity and 405-internal thread hole.

Detailed Description

As shown in fig. 1-4, an intelligent remote control heavy-load hydraulic cylinder based on internet of things comprises: cylinder body 1, uide bushing 2, piston 3, piston rod 4,

cylinder bottom

5, 1 upper end threaded connection of cylinder body sets up uide bushing 2, 1 lower extreme welding of cylinder body sets up

cylinder bottom

5, 4 lower extreme screw connections of piston rod set up piston 3, piston rod 4, piston 3 is arranged in

cylinder body

1, 1 inner chamber of cylinder body is separated for no pole chamber 10 and has pole chamber 11 to

piston

3, 3 excircles of piston set up the downthehole with sealed 6, be provided with the two-way motor pump in the piston 3, the two-way motor pump specifically is the pump that can just reverse, can regard as two-way motor simultaneously, for example: a plunger type two-way motor pump, or an internally meshing two-way gear motor pump, as shown in fig. 4, for example, the piston 3 includes: piston body 301, ring gear 302, two-way crescent moon board 303, internal gear 304 specifically are piston body 301 as the two-way gear motor pump body of internal gearing, built-in pump core, and the pump core includes: the piston body 301 is provided with a first oil channel 305 connected with the rodless cavity 10, the piston body 301 is provided with a second oil channel 306 connected with the rod cavity 11, and the piston rod 4 is internally provided with a plurality of accommodating cavities, which specifically comprises: a hollow cavity 402, a control cavity 403 and a battery cavity 404, wherein the control cavity 403 and the battery cavity 404 are adjacently communicated, a motor 12 is arranged in a lower end hole of the hollow cavity 402, a driving end of the motor 12 is connected with a piston body 301, a driving shaft of the motor 12 is driven to be connected with a pump core to work, a communication hole 401 is arranged at the lower end of the hollow cavity 402, the communication hole 401 is communicated with the hollow cavity 402 and a rod cavity 11, a high-pressure watertight connector 9 is arranged at the upper end of the hollow cavity 402, a connecting cable 13 is arranged between the lower end of the high-pressure watertight connector 9 and the motor 12, a control cavity 403 is arranged at the upper end of the high-pressure watertight connector 9, a battery cavity 404 is arranged at the upper end of the control cavity 403, a control component 15 is arranged in the control cavity 403, a battery 17 is arranged in the battery cavity 404, a lead at the upper end of the high-pressure watertight connector 9 is connected with the control component, a lead of the control component 15 is connected with the battery 17, an internal thread hole 405 is arranged at the upper end opening of the piston rod 4, and is used for installing an external connecting piece 18, for example, an earring and the like are connected, an external connecting piece is arranged in the internal thread hole to seal the battery cavity 404, a battery 17 is fixed, the control component is provided with an external remote control line 16, the remote control line 16 is connected with a piston rod body, the metal piston rod body is used as an antenna to wirelessly transmit data to the outside, a filling hole 14 is arranged on the wall of the cylinder body 1 communicated with the rod cavity 11, and a plug is arranged at the filling hole.

The motor 12 is any one of a closed motor, a closed servo motor, a high-voltage resistant motor, and a high-voltage resistant servo motor.

The control component 15 includes: singlechip, WIFI module, bluetooth module, driver, power management system, WIFI module, bluetooth module are used for input/output wireless signal, and WIFI module, bluetooth module connect the singlechip, and driver and power management system are connected to the singlechip, and power management system connects battery 17.

As shown in fig. 1, a shaft seal 8 is arranged in an inner hole of the guide sleeve 2, and an inner ring groove cavity is also arranged in the inner hole of the guide sleeve 2; the guide sleeve 2 comprises two structural embodiments, namely, in the first embodiment, the guide sleeve 2 comprises: the guide sleeve body 201, the duct K202 and the duct M205 are arranged, a spacer 7 is arranged in an inner annular groove cavity, the inner circle and the outer circle of the spacer 7 are respectively sealed, the inner annular groove cavity is divided into an upper cavity 203 and a lower cavity 204 by the spacer 7, the duct K202 is connected with the upper cavity 203 and the external environment, pressure gas is filled in the upper cavity 203, an external orifice of the duct K202 is sealed by a screw plug, the duct M205 is communicated with the lower cavity 204 and the rod cavity 11, a pressure medium of the rod cavity 11 enters the lower cavity 204, and the spacer 7 floats up and down in the inner annular groove cavity under the pressure of two ends.

Furthermore, the spacer 7 arranged in the inner ring groove cavity can also be a rubber diaphragm which is annularly glued in the inner ring groove cavity.

As shown in fig. 2, in the second embodiment, the guide sleeve 2 includes: the guide sleeve body 201 is provided with a first check valve 206 and a second check valve 207, the first check valve 206 is communicated with the inner ring groove cavity and the rod cavity 11 in a one-way mode, the second check valve 207 is communicated with the rod cavity 11 in a one-way mode, the inner hole of the guide sleeve 2 is provided with a small sealing seal 208, the small sealing seal 208 seals and isolates the inner ring groove cavity and the rod cavity 11 to prevent communicating, and the pore channel K202 is communicated with the atmosphere.

Furthermore, a second check valve 207 is provided with a pre-compression spring.

The working mode is as follows:

as shown in fig. 1-2, in the first embodiment, the upper chamber 203 is filled with pressurized gas, the filling hole 14 injects a liquid medium into the rod chamber 11, the battery 17 provides electric energy to the single chip microcomputer, an external control signal is transmitted to the single chip microcomputer through the WIFI module or the bluetooth module, the single chip microcomputer performs data storage and operation processing, an output signal controls the electric quantity output of the battery 17, an output signal controls the driver, the battery 17 provides electric energy to the motor 12, the driver controls the output torque of the motor 12 to rotate, the rod chamber 11 enters the pump core through the second oil passage 306, the internal engagement bidirectional gear motor pump rotates in the forward and reverse directions, so that the pressurized medium enters the rodless chamber 10 through the first oil passage 305, the pressurized medium enters the lower chamber 204 through the duct M205, the pressurized medium enters the hollow chamber 402 through the communication hole 401, the spacer 7 floats to compress the upper chamber 203, the lower chamber 204 stores the pressurized medium, and is used for compensating for the capacitance difference between the rod chamber and the rodless chamber, as shown in fig. 1-3, when the second oil passage 306 is pumped, the first oil passage 305 outputs pressure, the pressure of the rodless cavity 10 is built, the piston rod extends out, and the medium in the lower cavity 204 and the rod cavity 11 is pumped into the rodless cavity 10, when the first oil passage 305 is pumped, the second oil passage 306 outputs pressure, the pressure of the rod cavity 11 is built, the piston rod retracts, the medium in the rodless cavity 10 is pumped into the lower cavity 204 and the rod cavity 11, and the hollow cavity 402 is arranged to reduce the volume ratio of the rod cavity 11 to the rodless cavity 10 and simultaneously facilitate cooling of heat generated by the motor.

Referring to fig. 1-2, in the second embodiment, a liquid medium is injected into the inner ring groove cavity through the duct K202, the liquid medium is injected into the rod cavity 11 through the filling hole 14, the battery 17 provides electric energy to the single chip microcomputer, an external control signal transmits a signal to the single chip microcomputer through the WIFI module or the bluetooth module, the single chip microcomputer performs data storage and operation processing, the output signal controls the electric quantity output of the battery 17, the output signal controls the driver, the battery 17 provides electric energy to the motor 12, the driver controls the output torque rotation of the motor 12, the rod cavity 11 enters the pump core through the second oil passage 306, the internal gearing bidirectional gear motor pump rotates forward and backward, a pressure medium enters the rodless cavity 10 through the first oil passage 305, the pressure medium enters the inner ring groove cavity through the second check valve 207, the pressure medium enters the hollow cavity 402 through the communication hole 401, the pressure medium is stored in the inner ring groove cavity for compensating the volume difference between the rod cavity and the rodless cavity, as shown in fig. 1-3, when the second oil passage 306 is pumped, the first oil passage 305 outputs pressure, the pressure of the rodless cavity 10 is built, the piston rod extends, medium in the inner ring groove cavity enters the rod cavity 11 through the first check valve 206, medium in the rod cavity 11 is pumped into the rodless cavity 10, when the first oil passage 305 is pumped, the pressure of the second oil passage 306 outputs pressure, the pressure of the rod cavity 11 is built, the piston rod retracts, medium in the rodless cavity 10 is pumped into the rod cavity 11, medium enters the inner ring groove cavity through the second check valve 207, and the hollow cavity 402 is arranged to reduce the volume ratio of the rod cavity 11 to the rodless cavity 10 and is beneficial to cooling heat generated during the operation of the motor.

In the third embodiment, when the load end is used as power input and actively drives the piston rod to stretch and retract, a pressure difference is generated between the first oil passage 305 and the second oil passage 306 to drive the inter-meshing bidirectional gear motor pump, which is used as motor output torque to drive the motor 17 to rotate, so that electric energy is generated and fed back to the battery 17 for charging and energy storage, part of electric energy is provided to the single chip microcomputer and the like, and the battery 17 can be replaced by an external cable to provide long-term electric energy output or input.

Claims

1. The utility model provides an intelligence remote control heavy load pneumatic cylinder based on thing networking, including cylinder body (1), uide bushing (2), piston (3), piston rod (4), cylinder bottom (5), cylinder body (1) upper end is connected and is set up uide bushing (2), cylinder body (1) lower extreme sets up cylinder bottom (5), piston rod (4) lower extreme is connected and is set up piston (3), piston rod (4), in cylinder body (1) is arranged in piston (3), piston (3) are separated cylinder body (1) inner chamber and are for no pole chamber (10) and have pole chamber (11), its characterized in that: be provided with the two-way motor pump in piston (3), piston (3) set up oil duct (305) of connecting rodless chamber (10), piston body (301) set up and are connected with oil duct two (306) of pole chamber (11), the two-way motor pump carries out pressure input or output through oil duct one (305), oil duct two (306), set up in piston rod (4) and hold the chamber, hold the intracavity and be provided with motor (12), battery (17), control components and parts (15) that are connected each other electrically, the drive shaft of motor (12) is connected and is driven the two-way motor pump corotation or the reversal.

2. The intelligent remote control heavy-load hydraulic cylinder based on the Internet of things of claim 1, characterized in that: the inner hole of the guide sleeve (2) is also provided with an inner ring groove cavity, the inner ring groove cavity is a cavity with a certain compressible volume, and the inner ring groove cavity is communicated with a rod cavity (11).

3. The intelligent remote control heavy-load hydraulic cylinder based on the Internet of things of claim 2, characterized in that: the bidirectional motor pump is a plunger type bidirectional motor pump or an internal meshing bidirectional gear motor pump.

4. The intelligent remote control heavy-load hydraulic cylinder based on the Internet of things of claim 3, characterized in that: the control component (15) includes: singlechip, WIFI module, bluetooth module, driver, power management system, WIFI module, bluetooth module connect the singlechip, and driver and power management system are connected to the singlechip, and power management system connects battery (17), driver control motor (12), control components and parts (15) set up external remote control line (16), the piston rod body of rod is connected as the antenna in remote control line (16), carries out data wireless transmission externally.

5. The intelligent remote-control heavy-load hydraulic cylinder based on the Internet of things as claimed in any one of claims 1 to 4, wherein: the cavity includes: well cavity (402), control chamber (403), battery chamber (404), motor (12) set up in well cavity (402) bottom end downthehole, well cavity (402) lower extreme sets up intercommunicating pore (401), intercommunicating pore (401) intercommunication well cavity (402) with have pole chamber (11), well cavity (402) upper end sets up high-pressure watertight joint (9), set up connecting cable (13) between high-pressure watertight joint (9) lower extreme and motor (12), high-pressure watertight joint (9) upper end sets up control chamber (403), control chamber (403) upper end battery chamber (404), set up control components and parts (15) in control chamber (403), set up battery (17) in battery chamber (404), high-pressure watertight joint (9) upper end wire connection control components and parts, control components and parts (15) wire connection battery (17).

6. The intelligent remote-control heavy-load hydraulic cylinder based on the Internet of things as claimed in any one of claims 1 to 4, wherein: the guide sleeve (2) comprises: the guide sleeve body (201), a pore canal K (202) and a pore canal M (205), wherein a spacer (7) is arranged in an inner ring groove cavity, the inner circle and the outer circle of the spacer (7) are respectively sealed, the spacer (7) separates the inner ring groove cavity into an upper cavity (203) and a lower cavity (204), the pore canal K (202) is connected with the upper cavity (203) and the external environment, pressure gas is filled in the upper cavity (203), the external orifice of the pore canal K (202) is sealed by a plug, and the pore canal M (205) is communicated with the lower cavity (204) and a rod cavity (11).

7. The intelligent remote control heavy-load hydraulic cylinder based on the Internet of things of claim 6, characterized in that: the spacer (7) can also be a rubber diaphragm which is annularly glued in the inner ring groove cavity, and the rubber diaphragm separates the inner ring groove cavity into an upper cavity (203) and a lower cavity (204).

8. The intelligent remote-control heavy-load hydraulic cylinder based on the Internet of things as claimed in any one of claims 1 to 4, wherein: the guide sleeve (2) comprises: the guide sleeve body (201), pore canal K (202), check valve (206), check valve two (207), sealing washer (208), guide sleeve body (201) are provided with check valve one (206), check valve two (207), check valve one (206) one-way intercommunication inner ring slot chamber with have pole chamber (11), check valve two (207) one-way intercommunication has pole chamber (11) and inner ring slot chamber, pore canal K (202) intercommunication atmosphere, check valve two (207) set up the pre-compaction spring.

9. The intelligent remote control heavy-load hydraulic cylinder based on the Internet of things of claim 3, characterized in that: the piston (3) comprises: piston body (301), ring gear (302), two-way crescent moon board (303), internal gear (304), specifically piston body (301) are as the two-way gear motor pump body of inner gearing, built-in pump core, the pump core includes: the device comprises an inner gear ring (302), a bidirectional crescent plate (303) and an inner gear (304), wherein a piston body (301) is provided with a first oil passage (305) connected with a rodless cavity (10), and the piston body (301) is provided with a second oil passage (306) connected with a rod cavity (11).

10. The intelligent remote control heavy-load hydraulic cylinder based on the Internet of things of claim 1, characterized in that: the motor (12) is any one of a closed motor, a closed servo motor, a high-voltage resistant motor and a high-voltage resistant servo motor.