CN114673700A - Novel electric push rod for energy storage of cylinder barrel - Google Patents

Novel electric push rod for energy storage of cylinder barrel Download PDF

Info

Publication number
CN114673700A
CN114673700A CN202210308339.2A CN202210308339A CN114673700A CN 114673700 A CN114673700 A CN 114673700A CN 202210308339 A CN202210308339 A CN 202210308339A CN 114673700 A CN114673700 A CN 114673700A
Authority
CN
China
Prior art keywords
energy storage
cylinder barrel
electric push
push rod
outer sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210308339.2A
Other languages
Chinese (zh)
Inventor
刘琪
贺湘宇
张家彦
袁玉林
蒋梦军
谭丽莎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changsha University of Science and Technology
Original Assignee
Changsha University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changsha University of Science and Technology filed Critical Changsha University of Science and Technology
Priority to CN202210308339.2A priority Critical patent/CN114673700A/en
Publication of CN114673700A publication Critical patent/CN114673700A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02Installations or systems with accumulators
    • F15B1/04Accumulators
    • F15B1/08Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
    • F15B1/24Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with rigid separating means, e.g. pistons
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/14Energy-recuperation means
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/06Means for converting reciprocating motion into rotary motion or vice versa
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00Accumulators
    • F15B2201/30Accumulator separating means
    • F15B2201/31Accumulator separating means having rigid separating means, e.g. pistons
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/80Other types of control related to particular problems or conditions
    • F15B2211/88Control measures for saving energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Transmission Devices (AREA)

Abstract

The invention provides a novel cylinder energy storage electric push rod, which comprises an electric push rod and an energy storage cylinder, wherein the electric push rod mainly comprises an outer sleeve cylinder, a hollow guide rod, a dustproof sleeve, a connecting fork head, a hollow piston rod with a built-in control valve, a shell, a rotary shaft lip-shaped sealing ring, a bearing positioning piece, a rolling bearing, a lead screw, a gear set and a motor, the energy storage cylinder is coaxial with the outer sleeve cylinder and has an energy storage function, a cylinder bottom sealed with the outer sleeve cylinder of the electric push rod is arranged at one axial end of the energy storage cylinder, a cylinder head sealed with the outer sleeve cylinder of the electric push rod is arranged at the other axial end of the energy storage cylinder, and the cylinder head, the outer sleeve cylinder of the electric push rod, the cylinder bottom, the energy storage cylinder and the cylinder head form an energy storage cavity. In the energy storage cavity, gas is used as an energy storage medium, unidirectional supplement of the gas in the closed cavity is realized by using the control valve, and when the electric push rod retracts, the control valve is closed to recover the generated air pressure energy; when the electric push rod works outwards, the control valve is closed, the stored air pressure energy is released to assist the hollow guide rod to extend outwards, and after the air pressure energy in the energy storage cavity is completely released, the control valve is opened to supplement air in the closed cavity, so that energy is recycled. The energy storage electric push rod is energy-saving and environment-friendly, can be applied to various electric push rod engineering, and improves the energy efficiency of a transmission system.

Description

Novel electric push rod for energy storage of cylinder barrel
Technical Field
The invention relates to the field of electric push rods, in particular to a novel electric push rod with a cylinder barrel for storing energy.
Background
In recent years, energy regeneration technology is widely applied to various fields, energy conservation and environmental protection become main targets of production and manufacturing due to resource shortage, an energy accumulator is an energy storage device in a hydraulic pneumatic system, and is widely applied to the technical field of energy regeneration as an energy storage element.
The electric push rod is a linear electric actuating mechanism, mainly comprises a motor, a push rod, a control device and other mechanisms, and can output linear pushing and pulling acting force to drive a load to do work; generally, a motor converts rotary motion into linear push-pull motion of a hollow piston rod through a lead screw, and if the motor is a servo motor, servo push-pull positioning can be realized.
The electric push rod is widely applied to industries such as electric power, machinery, metallurgy, traffic, chemical engineering, hoisting, transportation, building and the like, and different thrust forces are designed according to different application loads. The disadvantages are as follows: because of the requirement of load, the power of the motor equipped with the electric push rod is often larger, so that the whole structure of the electric push rod is larger and the manufacturing cost is higher; under the limited space structure and manufacturing cost, the motor cannot provide the power required by the load, the bearing output capacity of the motor is limited, the working capacity cannot meet the requirement of improving a large-mass workpiece, and an auxiliary power supply mechanism is lacked; the energy which can be recycled in the return stroke process of lifting heavy objects by the electric push rod is not effectively utilized. Therefore, a novel electric push rod with an energy storage function is needed to meet the use requirement of the electric push rod.
Based on the consideration of the defects and the limitations of the electric push rod, fang hong soldier and the like provide a simple model of a power-assisted electric push rod in patent CN201711380704.6, a power-assisted mechanism consisting of medium liquid and a hydraulic power source is used as an external accessory to be installed on the periphery of the electric push rod, and hydraulic oil is injected into a cavity in the electric push rod under the action of the hydraulic power source as auxiliary power to generate pressure on a piston so as to realize electric and hydraulic compound drive load motion. The design is mainly applied to the field of driving the robot arm to lift a large-mass workpiece, and the output force of the electric push rod can be effectively improved. But the booster mechanism is arranged on the periphery of the electric push rod as an external accessory, which greatly increases the size and complexity of the design.
Disclosure of Invention
The invention aims to provide a novel electric push rod structure with a cylinder energy storage, wherein the effect of an energy accumulator is added to an electric push rod to serve as an auxiliary power supply mechanism to improve the load capacity of the electric push rod, the transmission space of the electric push rod is designed to be a closed space, the closed space is communicated by using a simple connecting pipeline, air energy compressed in the closed space during return stroke of the electric push rod can be stored, and the air energy is released when the electric push rod does work to the outside at the next time, so that auxiliary power is provided for the electric push rod.
In order to achieve the purpose, the invention adopts the technical scheme that: a novel cylinder energy storage electric push rod comprises an electric push rod which mainly comprises an outer cylinder, a hollow guide rod, a hollow piston rod with a built-in control valve, a shell, a rotary shaft lip-shaped sealing ring, a connecting fork head, a dustproof sleeve, a bearing positioning piece, a rolling bearing, a lead screw, a gear set and a motor;
the motor is connected and installed on the shell through screws, the rolling bearing is installed on the lead screw through a bearing positioning piece, the outer sleeve cylinder barrel is connected and installed on the shell through screws, the motor in the electric push rod is provided with a gear set connected with the lead screw, and the lead screw pushes and pulls the hollow piston rod and the hollow guide rod to move linearly in the outer sleeve cylinder barrel;
an end cover sealed with the screw rod is arranged at one end of the outer sleeve cylinder barrel, the screw rod, the end cover, the outer sleeve cylinder barrel and the hollow piston rod with the built-in control valve form a sealed cavity I, and a section of the screw rod and the hollow piston rod with the built-in control valve form a sealed cavity II;
the outer ring of the outer sleeve cylinder barrel is provided with a coaxial energy accumulator cylinder barrel, one axial end of the energy accumulator cylinder barrel is provided with a cylinder bottom sealed with the outer sleeve cylinder barrel, the other axial end of the energy accumulator cylinder barrel is provided with a cylinder head sealed with the outer sleeve cylinder barrel and the outer sleeve cylinder barrel, the cylinder bottom, the energy accumulator cylinder barrel and the cylinder head of the electric push rod form an energy storage cavity;
the energy storage cavity is internally provided with an energy storage piston which is coaxial with the energy storage cavity and is in sliding connection with the energy storage piston, the outer sleeve cylinder barrel is provided with at least one air hole communicated with the sealing cavity I, the sealing cavity I is communicated with the sealing cavity II through a communicating pipeline inside the screw rod, and the sealing cavity II is communicated with the outside air through a control valve in the hollow piston rod.
Furthermore, a sealing ring is arranged between the outer ring of one end of the hollow piston rod with the built-in control valve and the inner ring of the outer sleeve cylinder barrel, the control valve is arranged in the end face of the other end of the hollow piston rod, the sealing ring is arranged between the end cover and the outer sleeve cylinder barrel, and a lip-shaped sealing ring of the rotating shaft is arranged between the end cover and the screw rod.
Furthermore, a sealing ring is arranged between the inner ring of the energy storage piston and the outer ring of the outer sleeve cylinder barrel, a sealing ring is arranged between the outer ring of the energy storage piston and the inner ring of the energy storage cylinder barrel, the cylinder head and the cylinder bottom are both connected with the energy storage cylinder barrel in a sealing manner through the sealing ring, the sealing ring is arranged, and the cylinder head and the cylinder bottom are both connected with the outer ring of the outer sleeve cylinder barrel in a sealing manner through the sealing ring.
Furthermore, a control valve is arranged in the end face of the hollow guide rod and used for controlling the communication between the gas in the sealed cavity II and the external gas, and when the gas pressure stored in the energy storage cavity is completely released, the control valve is opened to compensate the gas in the sealed cavity II.
Furthermore, an air duct is arranged in the lead screw to communicate the sealed cavity I with the sealed cavity II, and preferably, the air duct is axisymmetric and as simple as possible as shown in the figure to ensure the relevant performance of the lead screw.
Furthermore, the outer sleeve cylinder barrel is provided with at least one air hole at the bottom of the energy storage cavity, and the closed cavity I is communicated with the energy storage cavity through the air hole.
Furthermore, the lead screw is close to motor one end is installed antifriction bearing, antifriction bearing utilizes nut and axle sleeve etc. the installation of fixing a position is carried out to the bearing setting element, as preferred, antifriction bearing adopts deep groove ball bearing.
Compared with the prior art, the novel cylinder energy storage electric push rod adopting the design scheme is provided with the coaxial energy storage cylinder, and the energy storage boosting mechanism and the traditional electric push rod are designed into a whole, so that the structure is more compact, the equipment volume is greatly reduced, the connecting pipeline is simplified, and the system pressure loss caused by the pipeline is reduced; the invention provides a detailed structure of a novel electric push rod, which has detailed description on the internal structure and concrete image implementation mode description and can be applied to the engineering of various electric push rods to improve the energy efficiency of a transmission system.
Description of the drawings:
fig. 1 and 2 are schematic diagrams of the internal structure of a novel cylinder energy storage electric push rod of the invention;
FIG. 3 is a schematic view of the internal structure of the control valve of the present invention;
FIG. 4 is a perspective view of a novel electric push rod with a cylinder for storing energy according to the present invention;
FIG. 5 is a schematic view of the internal structure of the lead screw of the present invention;
reference numerals are as follows: 1. a deep groove ball bearing; 2. an end cap; 3. a cylinder bottom; 4. a cylinder barrel is sleeved; 5. an energy storage piston; 6. a seal ring; 7. a hollow piston rod; 8. a hollow guide rod; 9. a cylinder head; 10. a dust plug; 11. connecting a fork head; 12. a control valve; 13. a motor; 14. a housing; 15. a screw rod; 16. mounting holes; 17. a rotary shaft lip-shaped sealing ring; 18. air holes I; 19. a nut; 20. a bearing locator; 21. an energy storage cavity; 22. sealing the cavity I; 23. an air duct; 24. sealing the cavity II; 25. a gear set; 26. an energy storage cylinder barrel; 121. air holes II; 122. a spring; 123. a control valve spool; 124. air hole III; 125. a control valve piston.
The specific implementation mode is as follows:
the invention will be described in detail with reference to the drawings and the detailed description.
The utility model provides a novel electric putter of cylinder energy storage, includes casing 14, motor 13, gear train 25, lead screw 15, nut 19, deep groove ball bearing 1, bearing positioning piece 20, end cover 2, 17 characterized by of rotation axis lip seal: the motor 13 is installed on the shell 14 through screw connection, the motor 13 is in transmission connection with the lead screw 15 through the gear set 25, the deep groove ball bearing 1 is installed on the lead screw 15 through a bearing positioning piece 20 such as a sleeve, the nut 19 is in threaded connection with the lead screw 15, the deep groove ball bearing 1 is axially positioned, and the end cover 2 is in sealing connection with the lead screw 15 through a rotary shaft lip-shaped sealing ring 17;
novel energy storage electric putter still includes overcoat cylinder 4, hollow piston rod 7, hollow guide arm 8, control valve 12, cylinder head 9, cylinder bottom 3, energy storage piston 5, energy storage cylinder 26, dust plug 10, connection fork 11, characterized by: the outer sleeve cylinder barrel 4 is connected and installed on the machine shell 14 through screws, the outer sleeve cylinder barrel 4 is connected with the end cover 2 in a sealing mode through a sealing ring, the hollow piston rod 7 is connected with the lead screw 15 through threads, a control valve 12 is arranged in one end of the hollow piston rod 7, the outer ring of the other end of the hollow piston rod 7 is connected with the inner ring of the outer sleeve cylinder barrel 4 in a sealing mode through the sealing ring, and the lead screw 15 pushes and pulls the hollow piston rod 7 and the hollow guide rod 8 to move linearly in the outer sleeve cylinder barrel 4; the hollow guide rod 8 and the hollow piston rod 7 are connected in an interference fit manner, the outer ring of the extending section of the dustproof plug 10 is in threaded connection with the inner ring of the outer sleeve cylinder barrel 4, the inner ring of the dustproof plug 10 is in sliding connection with the outer ring of the hollow guide rod 8, one end of the connecting fork 11 is in threaded connection with the hollow guide rod 8, the other end of the connecting fork is also provided with threads to be connected with an external work object, push-pull force is output outwards, the cylinder head 9, the cylinder bottom 3, the outer ring of the outer sleeve cylinder head 4 and the inner ring of the energy storage cylinder barrel 26 jointly form an energy storage cavity 21, the inner ring of the energy storage piston 5 is in sealed arrangement and in sliding connection with the outer ring of the outer sleeve cylinder barrel 4, the outer ring of the energy storage piston 5 is in sealed arrangement and in sliding connection with the inner ring of the energy storage cylinder barrel 26, an air hole I18 communicated with the sealed cavity I22 is arranged at the position of the cylinder bottom 3 of the energy storage cavity, an air duct 23 is arranged in the lead screw 15 to communicate the sealed cavity I22 with the sealed cavity II 24, and a control valve 12 is arranged in the end face of the hollow piston rod 7 and used for controlling the communication between the gas in the closed cavity II 24 and the external gas.
The specific working principle of the invention is as follows:
when the hydraulic cylinder works, the energy storage piston 5 is pushed to a position close to the cylinder bottom 3 in advance, the motor 13 rotates reversely under the action of pressure of an external load, the gear set 25 drives the screw rod 15 to rotate reversely, the screw rod 15 pulls the hollow piston rod 7, the hollow guide rod 8 and the connecting fork head 11 to lift and slowly recover a heavy object, the volumes of the closed cavity I22 and the closed cavity II 24 are continuously compressed, the pressure at the air hole II 121 is continuously increased and is greater than the atmospheric pressure at the air hole III 124, the valve core 123 of the control valve is extruded under the action of the pressure difference of the two, and the control valve 12 is closed; the gas in the closed cavity I22 and the closed cavity II 24 is continuously compressed and enters the energy storage cavity 21 through the air hole I18, the energy storage piston 5 slides towards the direction close to the cylinder head 9 under the action of air pressure, and the energy is converted into compression energy to be stored for next work of lifting load; meanwhile, the air pressure in the closed cavity I22 and the air pressure in the closed cavity II 24 are increased continuously, the hollow piston rod 7 and the hollow guide rod 8 are jacked up in a reverse mode by the air pressure, the reverse action is achieved on an external load, the extrusion force of the internal thread of the hollow piston rod 7 to the external thread of the lead screw 15 is reduced, the friction force between thread meshing is reduced, the output power of the motor is reduced, the purpose of saving energy is achieved, the utilization rate and the working efficiency of the motor are improved, and the high manufacturing cost is reduced. When the electric push rod lifts a load to work, the motor 13 rotates positively, the gear set 25 drives the screw rod 15 to rotate positively, the screw rod 15 pushes the hollow piston rod 7, the hollow guide rod 8 and the connecting fork 11 to lift a heavy object and slowly extend out, at the moment, air pressure in the energy storage cavity 21 can be released, high-pressure air exerts pressure on the hollow piston rod 7 through the air hole I18 and the air vent pipeline 23, assistance is provided for the electric push rod, the electric push rod is helped to output larger thrust, and the corresponding position of load lifting is controlled by the motor. When the air pressure in the energy storage cavity 21 can be completely released and the hollow piston rod 7 needs to continuously lift the heavy object to extend due to the requirement of working conditions, the air pressure in the closed cavity I22 and the closed cavity II 24 is continuously reduced, when the air pressure at the air hole II 121 is smaller than the air pressure at the air hole III 124, the valve core 123 of the control valve is extruded under the action of the pressure difference of the air hole II and the air hole II, the control valve 12 is opened, the air in the closed cavity II 24 is compensated, and the situation that the negative pressure state occurs in the closed cavity I22 and the closed cavity II 24 to increase the output power of the motor is prevented.
The power-assisted action of the energy storage cavity, the power of the motor and the strength of the lead screw can be selected to be smaller in specification, and the integral structure of the electric push rod can be optimized.
The above detailed description is provided for the novel energy storage electric push-pull rod provided by the invention. The principles and embodiments of the present invention have been described herein using specific examples, which are presented only to assist in understanding the core concepts of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a novel electric putter of cylinder energy storage which characterized in that: the device comprises an electric push rod, a control valve, a hollow piston rod, a shell, a rotary shaft lip-shaped sealing ring, a connecting fork head, a dust-proof sleeve, a bearing positioning piece, a deep groove ball bearing, a lead screw and a motor, wherein the electric push rod mainly comprises an outer sleeve cylinder barrel (4), a hollow guide rod (8), a control valve (12), a hollow piston rod (7), the shell (14), the rotary shaft lip-shaped sealing ring (17), a connecting fork head 11, a dust-proof sleeve (10), a bearing positioning piece (20), a deep groove ball bearing (1), a lead screw (15), a gear set (25) and the motor (13);
the motor (13) is installed on the casing (14) through screw connection, the deep groove ball bearing (1) is installed on the lead screw (15) through the bearing positioning piece (20), the outer sleeve cylinder barrel (4) is installed on the casing (14) through screw connection, the motor (13) is provided with a gear set (25) connected with the lead screw (15), and the lead screw (15) pushes and pulls the hollow piston rod (7) and the hollow guide rod (8) to do linear motion in the outer sleeve cylinder barrel (4);
an end cover sealed with the screw rod (15) is arranged at one end of the outer sleeve cylinder barrel (4), the screw rod (15), the end cover (2), the outer sleeve cylinder barrel (4) and the hollow piston rod (7) with the built-in control valve (12) form a sealed cavity I (22), and one section of the screw rod (15) and the hollow piston rod (7) with the built-in control valve (12) form a sealed cavity II (24);
the outer ring of the outer sleeve cylinder barrel (4) is provided with a coaxial energy storage cylinder barrel (26), one axial end of the energy storage cylinder barrel (26) is provided with a cylinder bottom (3) sealed with the outer sleeve cylinder barrel (4), the other end of the energy storage cylinder barrel is provided with a cylinder head (9) sealed with the outer sleeve cylinder barrel and the outer sleeve cylinder barrel, and the outer sleeve cylinder barrel (4), the cylinder bottom (3), the energy storage cylinder barrel (26) and the cylinder head (9) of the electric push rod form an energy storage cavity (21);
the energy storage piston (5) is arranged in the energy storage cavity (21) and is coaxially and slidably connected with the energy storage piston, at least one air hole I (18) communicated with the sealed cavity I (22) is formed in the outer sleeve cylinder barrel (4), the sealed cavity I (22) is communicated with the sealed cavity II (24) through an internal air duct (23) of the screw rod (15), and the sealed cavity II (24) is communicated with external air through a control valve (12) in the hollow piston rod (7).
2. The novel electric push rod with the cylinder barrel storing energy as claimed in claim 1, is characterized in that: one end of the shell (14) is provided with a motor (13) and an outer sleeve cylinder barrel (4), and the other end of the shell is connected with a screw to install the invention at a proper position of an instrument.
3. The novel energy-storing electric putter as claimed in claim 1, wherein: the sealing device is characterized in that a sealing ring is arranged between the outer ring of one end of a hollow piston rod (7) with a control valve (12) arranged inside and the inner ring of an outer sleeve cylinder barrel (4), the control valve (12) is arranged inside the end face of the other end of the hollow piston rod, the sealing ring is arranged between an end cover (2) and the outer sleeve cylinder barrel (4), and a rotary shaft lip-shaped sealing ring (17) is arranged between the end cover (2) and a lead screw (15).
4. The novel energy-storing electric putter as claimed in claim 1, wherein: the energy storage piston is characterized in that a sealing ring (6) is arranged between the inner ring of the energy storage piston (5) and the outer ring of the outer sleeve cylinder barrel (4), the sealing ring is arranged between the outer ring of the energy storage piston (5) and the inner ring of the energy storage cylinder barrel (26), the cylinder head (9) and the cylinder bottom (3) are both connected with the energy storage cylinder barrel (26) in a sealing mode through the sealing ring, and the cylinder head (9) and the cylinder bottom (3) are both connected with the outer ring of the outer sleeve cylinder barrel (4) in a sealing mode through the sealing ring.
5. The novel energy-storing electric putter as claimed in claim 1, wherein: the hollow guide rod (8) end face is provided with a control valve (12) in a built-in mode, the control valve controls communication between gas in the closed cavity II (24) and outside gas, when the gas pressure stored in the energy storage cavity (21) is completely released, the control valve (12) is opened, and the gas in the closed cavity II (24) is compensated.
6. The novel cylinder energy storage electric push rod as claimed in claim 1, characterized in that: and an air duct (23) is arranged in the lead screw (15) and is used for communicating the closed cavity I (22) with the closed cavity II (24).
7. The novel electric push rod with the cylinder barrel storing energy as claimed in claim 1, is characterized in that: the outer sleeve cylinder barrel (4) is provided with at least one air hole I (18) at the position of the cylinder bottom (3) of the energy storage cavity (21), and the air hole is used for communicating the closed cavity I (22) with the energy storage cavity (21).
8. The novel electric push rod with the cylinder barrel storing energy as claimed in claim 1, is characterized in that: lead screw (15) are close to install motor (13) one end deep groove ball bearing (1), deep groove ball bearing (1) utilizes nut and axle sleeve etc bearing setting element (20) carry out the installation of fixing a position.
9. The novel cylinder energy storage electric push rod as claimed in claim 1, characterized in that: the outer ring of the extending section of the dustproof plug (10) is in threaded connection with the inner ring of the outer sleeve cylinder barrel (4), and the inner ring of the dustproof plug (10) is in sliding connection with the outer ring of the hollow guide rod (8).
10. The novel electric push rod with the cylinder barrel storing energy as claimed in claim 1, is characterized in that: one end of the connecting fork head (11) is in threaded connection with the hollow guide rod (8), and the other end of the connecting fork head is also provided with threads to be connected with a working object.
CN202210308339.2A 2022-03-28 2022-03-28 Novel electric push rod for energy storage of cylinder barrel Pending CN114673700A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210308339.2A CN114673700A (en) 2022-03-28 2022-03-28 Novel electric push rod for energy storage of cylinder barrel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210308339.2A CN114673700A (en) 2022-03-28 2022-03-28 Novel electric push rod for energy storage of cylinder barrel

Publications (1)

Publication Number Publication Date
CN114673700A true CN114673700A (en) 2022-06-28

Family

ID=82076347

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210308339.2A Pending CN114673700A (en) 2022-03-28 2022-03-28 Novel electric push rod for energy storage of cylinder barrel

Country Status (1)

Country Link
CN (1) CN114673700A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116624442A (en) * 2023-07-24 2023-08-22 南京理工大学 Electric putter rocking arm braced system with moment of gravity compensation
WO2024041396A1 (en) * 2022-08-26 2024-02-29 深圳市海柔创新科技有限公司 Energy storage power assisting device and warehousing robot

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024041396A1 (en) * 2022-08-26 2024-02-29 深圳市海柔创新科技有限公司 Energy storage power assisting device and warehousing robot
CN116624442A (en) * 2023-07-24 2023-08-22 南京理工大学 Electric putter rocking arm braced system with moment of gravity compensation

Similar Documents

Publication Publication Date Title
CN114673700A (en) Novel electric push rod for energy storage of cylinder barrel
CN100541981C (en) Three level electric jar for bearing ball silk bar
CN111255764B (en) Energy-saving electric servo actuator
CN211116894U (en) Heavy-load rack swing oil cylinder
CN111288135B (en) Energy-saving piston type thin oil lubrication electric servo actuator
CN112161030A (en) Two-way heavy-load two-stage planetary roller screw pair
CN110566646A (en) Gas-electricity integrated actuator
CN201190704Y (en) Inside and outside double-drum type hydraulic reinforcement cylinder
CN218440012U (en) Telescopic rotary hydraulic cylinder
CN210087717U (en) Telescopic rotary hydraulic cylinder
CN207715475U (en) Two-way real-time mechanical self-locking hydraulic cylinder
CN109940600A (en) A kind of electric pushrod having power-assisted
CN111649018B (en) Pump-controlled hydraulic cylinder integrated with external rotor motor
CN214998545U (en) Hydraulic cylinder capable of being locked at any position
CN103088855A (en) Electric control device of small-sized loader
CN211866675U (en) Pneumatic vertical drilling machine
CN102535555B (en) A kind of electronic control method for loader
CN218228962U (en) Split type pressure building cylinder of integrated electro-hydraulic brake system
CN218971546U (en) Double-section extrusion oil pressure cylinder
CN219535797U (en) Same-lifting multi-stage electric cylinder
CN201144917Y (en) Hydraulic actuating cylinder for outputting angular displacement and torque
CN216382046U (en) Locking thread locking hydro-cylinder assembly body that takes off
CN221103129U (en) Gear rack electric cylinder for crane
CN212985678U (en) Hydraulic cylinder with locking function
CN219865708U (en) Novel hydraulic cylinder capable of preventing piston rod from rotating

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination