CN117533963A - Gravity potential energy recycling system for truss arm crawler crane based on flywheel device - Google Patents

Gravity potential energy recycling system for truss arm crawler crane based on flywheel device Download PDF

Info

Publication number
CN117533963A
CN117533963A CN202311539921.0A CN202311539921A CN117533963A CN 117533963 A CN117533963 A CN 117533963A CN 202311539921 A CN202311539921 A CN 202311539921A CN 117533963 A CN117533963 A CN 117533963A
Authority
CN
China
Prior art keywords
energy
flywheel
crawler crane
lifting
shaft
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
CN202311539921.0A
Other languages
Chinese (zh)
Inventor
王爱红
李涛
胡一鸣
高有山
赵炀
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.)
Taiyuan University of Science and Technology
Original Assignee
Taiyuan 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 Taiyuan University of Science and Technology filed Critical Taiyuan University of Science and Technology
Priority to CN202311539921.0A priority Critical patent/CN117533963A/en
Publication of CN117533963A publication Critical patent/CN117533963A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/44—Jib-cranes adapted for attachment to standard vehicles, e.g. agricultural tractors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/82—Luffing gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/12—Driving gear incorporating electric motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/14—Power transmissions between power sources and drums or barrels
    • B66D1/20—Chain, belt, or friction drives, e.g. incorporating sheaves of fixed or variable ratio
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G3/00—Other motors, e.g. gravity or inertia motors
    • F03G3/08—Other motors, e.g. gravity or inertia motors using flywheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
    • F16D27/02—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings
    • F16D27/04—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings with axially-movable friction surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/30—Flywheels
    • F16F15/315—Flywheels characterised by their supporting arrangement, e.g. mountings, cages, securing inertia member to shaft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

The invention discloses a gravity potential energy recycling system of a truss arm crawler crane based on a flywheel device, which comprises a propeller strut, an anti-backward tilting rod, an amplitude changing wheel, an amplitude changing pulley, an anti-backward tilting rod pressure spring, an arm support oblique pull rope, a lifting steel strand I, a lifting steel strand II, an arm support, a lifting hook, a main winch, an amplitude changing winch, an electromagnetic clutch, a flywheel device, a storage battery, a speed increaser, an energy supply device, a hydraulic motor, a first shaft, a second shaft, a first left side plate hole, a second left side plate hole, a first right side plate hole, a second right side plate hole, a winding drum, a large transmission pulley, a small transmission pulley, a belt, a left driven disc, an electromagnetic coil, a right driven disc, a PID controller, a flywheel shell, a generator, a wire interface, a vacuum chamber, a flywheel and a high-temperature superconducting magnetic suspension bearing. The invention takes the storage battery as an energy storage device, takes the flywheel device as an energy conversion device, and drives the flywheel to rotate by the main winch through the belt in the descending process of the lifting weight of the truss arm crawler crane, and the mechanical energy generated by rotation is converted into electric energy by the generator in the flywheel device and then is stored in the storage battery. If the energy supply device is a motor, in the next lifting period, the energy stored in the storage battery is used as an auxiliary energy supply unit to realize auxiliary energy supply for the lifting process of the truss arm crawler crane, so that the truss arm crawler crane can recover and recycle gravitational potential energy when the heavy object is lowered, and the purpose of energy conservation is achieved. If the energy supply device is a hydraulic motor, the energy stored in the storage battery is used for supplying energy in other aspects such as illumination when the truss arm crawler crane works in the next lifting period.

Description

Gravity potential energy recycling system for truss arm crawler crane based on flywheel device
Technical Field
The invention relates to the field of construction of building machinery, in particular to a flywheel device for recycling gravitational potential energy lost when a lifting hook drops a weight.
Background
At present, the truss arm crawler crane in the market generally only can meet the operations of lifting, transporting, loading, unloading, installing and the like, and can not recycle the gravitational potential energy lost in the cargo lifting process. With the continuous development of construction, the market demand of truss arm crawler cranes is increasing. The problem of how to recycle gravitational potential energy loss in the operation process of the truss arm crawler crane in the prior art is solved, and the gravitational potential energy loss is an important technical problem to be solved by the person skilled in the art.
Disclosure of Invention
The gravitational potential energy recycling system of the truss arm crawler crane based on the flywheel device, which is characterized in that: the system uses a storage battery (15) as a device for storing energy, and when the truss arm crawler crane hook (10) descends a heavy object, the main winch drives a flywheel (14.5) in a flywheel device (14) to rotate through a belt (11.11), and mechanical energy generated by rotation of the flywheel (14.5) is converted into electric energy through a generator (14.2) in the flywheel device (14) and then stored in the storage battery (15). If the energy supply device (11.1) is a motor (11.11), the energy stored in the storage battery (15) is used as an auxiliary energy supply unit to realize auxiliary energy supply for the lifting process of the truss arm crawler crane in the next lifting period, and if the energy supply device (11.1) is a hydraulic motor (11.12), the energy stored in the storage battery (15) is used for energy supply in other aspects such as illumination during the operation of the truss arm crawler crane in the next lifting period. The gravity potential energy can be recycled when the truss arm crawler crane lowers the heavy object, so that the energy saving purpose is achieved.
The gravitational potential energy recycling system of the truss arm crawler crane based on the flywheel device, which is characterized in that: in the process of lowering the weight by the lifting hook (10), mechanical energy generated by rotation of the flywheel (14.5) is converted into electric energy by the generator (14.2) in the flywheel device (14) and stored in the storage battery (15) by the main winch (11). If the energy supply device (11.1) is a motor (11.11), the energy stored in the storage battery (15) is used as an auxiliary energy supply unit to realize auxiliary energy supply for the lifting process of the truss arm crawler crane in the next lifting period, and if the energy supply device (11.1) is a hydraulic motor (11.12), the energy stored in the storage battery (15) is used for energy supply in other aspects such as illumination during the operation of the truss arm crawler crane in the next lifting period. The gravity potential energy can be recycled when the truss arm crawler crane lowers the heavy object, so that the energy saving purpose is achieved.
The gravitational potential energy recycling system of the truss arm crawler crane based on the flywheel device, which is characterized in that: the lifting steel stranded rope I (7) is fixedly wound in the main winch I (11), the lifting steel stranded rope II (8) is fixedly wound in the amplitude-variable winch (12), and the lifting steel stranded rope I (7) and the lifting steel stranded rope II (8) pass through a guide pulley in the arm support (9) together and then are fixedly connected with the lifting hook (10). In the lifting process of the lifting hook (10), the energy supply device (11.1) controls the winch winding drum (11.8) to rotate, the left side of the main winch (11) is connected with the energy supply device (11.1), the first shaft (11.2) is fixedly connected with the winch winding drum (11.8), and the left side of the first shaft (11.2) is connected with the energy supply device (11.1) through the first left side plate hole (11.4).
The gravitational potential energy recycling system of the truss arm crawler crane based on the flywheel device, which is characterized in that: the main winch (11) is connected with the large transmission belt pulley (11.9) through a first shaft (11.2), the first shaft (11.2) is fixedly connected with the winding drum (11.8) of the main winch (11), the first shaft (11.2) penetrates through a first right side plate hole (11.6) to be fixedly connected with the large transmission belt pulley (11.9), and the energy supply device (11.1) drives the first shaft (11.2) to rotate in the process that the large transmission belt pulley (11.9) rotates simultaneously, so that no relative rotation exists between the first shaft and the second shaft.
The gravitational potential energy recycling system of the truss arm crawler crane based on the flywheel device, which is characterized in that: the first shaft (11.2) and the second shaft (11.3) are horizontally arranged in parallel, the second shaft (11.3) penetrates through the right side plate hole (11.7) and is fixedly connected with the small transmission belt pulley (11.10), and the small transmission belt pulley (11.10) and the large transmission belt pulley (11.9) are positioned in the same straight line in the vertical direction, so that the stability of the transmission process is improved, and the abrasion of a belt is reduced. The small transmission belt pulley (11.10) is connected with the large transmission belt pulley (11.9) through a belt (11.11), and the large transmission belt pulley (11.9) drives the small transmission belt pulley (11.10) to rotate.
The gravitational potential energy recycling system of the truss arm crawler crane based on the flywheel device, which is characterized in that: the second shaft (11.3) is fixedly provided with a small driving belt pulley (11.10) at the right side of the second right side plate hole (11.7), the left side of the second right side plate hole (11.7) is fixedly provided with an electromagnetic clutch (13), the left side of the electromagnetic clutch (13) is connected with a flywheel device (14), the electromagnetic clutch (13) indirectly controls a generator (14.2) in the flywheel device (14) to operate, and in an actual working condition, in the process of lifting a heavy object by the lifting hook (10), the electromagnetic clutch (13) is powered off, namely is separated, and the flywheel device (14) does not participate in energy recovery operation; in the process of lowering the weight by the lifting hook (10), the electromagnetic clutch (13) is electrified, namely is in fit, and the flywheel device (14) participates in energy recovery work.
The gravitational potential energy recycling system of the truss arm crawler crane based on the flywheel device, which is characterized in that: the electromagnetic clutch (13) mainly comprises a left driven plate (13.1), an electromagnetic coil (13.2), a right driven plate (13.3) and other parts, when the electromagnetic coil (13.2) is powered off, the electromagnetic clutch (13) is in a separation state, a driving part of the electromagnetic clutch (13) is separated from the left driven part and the right driven part, and the separation of the electromagnetic clutch (13) are controlled by controlling the on-off of current in the electromagnetic coil (13.2). The friction plate type electromagnetic clutch has the advantages of simple structure, rapid combination and separation, etc.
The gravitational potential energy recycling system of the truss arm crawler crane based on the flywheel device, which is characterized in that: the electromagnetic clutch (13) controls the separation and the attachment of the left driven disc (13.1) and the right driven disc (13.3) through a PID controller (13.4).
The gravitational potential energy recycling system of the truss arm crawler crane based on the flywheel device, which is characterized in that: the right driven plate (13.3) of the electromagnetic clutch (13) is fixedly connected with the right side plate, and the left side of the left driven plate (13.1) is connected with the speed increaser (16). The electromagnetic clutch (13) is electrified, and the speed increaser (16) works to accelerate the rotating speed of the flywheel (14.5).
The gravitational potential energy recycling system of the truss arm crawler crane based on the flywheel device, which is characterized in that: the thrust ball bearing (11.12) is used at the joint of the shaft and the hole, and has the characteristics of low production cost, low installation cost and the like, and meanwhile, the rotation resistance of the first shaft (11.2) and the second shaft (11.3) can be reduced, so that the energy loss is finally reduced. The gravitational potential energy recycling system of the truss arm crawler crane based on the flywheel device, which is characterized in that: the thrust ball bearing (11.12) is used at the joint of the shaft and the hole, and has the characteristics of low production cost, low installation cost and the like, and meanwhile, the rotation resistance of the first shaft (11.2) and the second shaft (11.3) can be reduced, so that the energy loss is finally reduced.
The gravitational potential energy recycling system of the truss arm crawler crane based on the flywheel device, which is characterized in that: whether the storage battery (15) participates in energy utilization is judged by using an energy storage system SOC, the running range of the energy storage SOC is limited to 10% -90%, when the electric quantity stored in the storage battery (15) is within the limit of the energy storage SOC, for example, the energy supply device (11.1) is a motor (11.11), in the next lifting period, the energy stored in the storage battery (15) is used as an auxiliary energy supply unit to realize auxiliary energy supply for the lifting process of the truss arm crawler crane, for example, the energy supply device (11.1) is a hydraulic motor (11.12), and in the next lifting period, the energy stored in the storage battery (15) is used for illumination and other aspects of energy supply when the truss arm crawler crane works. The gravity potential energy can be recycled when the truss arm crawler crane lowers the heavy object, so that the energy saving purpose is achieved.
The gravitational potential energy recycling system of the truss arm crawler crane based on the flywheel device, which is characterized in that: the speed increaser (16) is arranged between the flywheel device (14) and the electromagnetic clutch (13), so that the lifting hook (10) can be used for efficiently recovering the gravitational potential energy when the heavy object is placed in a short distance.
The gravitational potential energy recycling system of the truss arm crawler crane based on the flywheel device, which is characterized in that: the flywheel device (14) is composed of a flywheel shell (14.1), a generator (14.2), an electric wire interface (14.3), a vacuum chamber (14.4), a flywheel (14.5) and a superconductive magnetic suspension bearing (14.6). The flywheel (14.5) converts mechanical energy into electrical energy by means of a generator (14.2) during rotation and stores it in a battery (15). Both the flywheel (14.5) and the generator (14.2) are sealed in the flywheel housing (14.1) and coaxially arranged. The flywheel (14.5) is arranged in the vacuum container (14.4), and the flywheel (14.5) can be in a vacuum environment, so that the energy conversion efficiency in the rotation process is higher.
The gravitational potential energy recycling system of the truss arm crawler crane based on the flywheel device, which is characterized in that: during operation of the truss arm crawler crane, when a lifting hook (10) lifts a heavy object, a winding drum (11.8) of a main winch (11) rotates, a lifting steel strand I (7) is recovered, a shaft I (11.2) drives a large transmission belt pulley (11.9) to drive, a small transmission belt pulley (11.10) rotates to drive a shaft II (11.3) to rotate under the action of a belt (11.11), an electromagnetic clutch (13) is controlled to be powered off at the moment, a flywheel device (14) does not participate in operation, energy recovery is not carried out under the working condition, and an energy storage SOC of a storage battery (15) is used as an auxiliary energy supply unit to assist energy supply to a motor (11.11) or is directly used for energy supply of other devices such as illumination when the hydraulic motor (11.12) is used. When the lifting hook (10) is used for lowering heavy objects, the first shaft (11.2) rotates in the opposite direction, the winding drum (11.8) of the main winch (11) rotates in the opposite direction, the lifting steel strand I (7) stretches and falls, the first shaft (11.2) drives the large transmission belt pulley (11.9) to drive, the small transmission belt pulley (11.10) rotates to drive the second shaft (11.3) to rotate under the action of the belt (11.11), the electromagnetic clutch (13) is electrified at the moment, the flywheel (14.5) works, the second shaft (11.3) drives the flywheel (14.5) to rotate, and mechanical energy generated by rotation of the flywheel (14.5) is converted into electric energy through the generator (14.2) to be finally stored in the storage battery (15) for use by other devices such as utilization or illumination in the next working cycle.
The invention aims to overcome the defects of the prior art, and provides a gravitational potential energy recycling system of a truss arm crawler crane based on a flywheel device. In the next hoisting period, the electric energy in the storage battery is used as an auxiliary energy supply unit for auxiliary energy supply or other devices such as illumination and the like for the main winch and the amplitude-variable winch, and finally, the lost gravitational potential energy is recycled in the process of lowering the weight by the lifting hook.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a gravity potential energy recycling system for a truss arm crawler crane based on a flywheel device comprises a propeller strut, an anti-backward tilting rod, an amplitude changing wheel, an amplitude changing pulley, an anti-backward tilting rod pressure spring, an arm support oblique stay rope, a lifting steel strand I, a lifting steel strand II, an arm support, a lifting hook, a main winch, an amplitude changing winch, an electromagnetic clutch, a flywheel device, a storage battery, a speed increaser, an energy supply device, a motor, a hydraulic motor, a first shaft, a second shaft, a first left side plate hole, a second left side plate hole, a first right side plate hole, a second right side plate hole, a winding drum, a large transmission belt pulley, a small transmission belt pulley, a belt, a left driven plate, an electromagnetic coil, a right driven plate, a PID controller, a flywheel housing, a generator, a wire interface, a vacuum chamber, a flywheel and a high-temperature superconducting magnetic suspension shaft.
The system uses a storage battery as a device for storing energy, and when the lifting hook of the truss arm crawler crane descends a heavy object, the main winch drives the flywheel in the flywheel device to rotate through the belt, and mechanical energy generated by the rotation of the flywheel is converted into electric energy through the generator in the flywheel device and then is stored in the storage battery. If the energy supply device is a motor, the energy stored in the storage battery is used as an auxiliary energy supply unit to realize auxiliary energy supply for the lifting process of the truss arm crawler crane in the next lifting period, and if the energy supply device is a hydraulic motor, the energy stored in the storage battery is used for energy supply in other aspects such as illumination and the like during the operation of the truss arm crawler crane in the next lifting period. The gravity potential energy can be recycled when the truss arm crawler crane lowers the heavy object, so that the energy saving purpose is achieved.
And in the process of lowering the weight by the lifting hook, mechanical energy generated by rotation of the flywheel is converted into electric energy by the generator in the flywheel device and stored in the storage battery by the main winch. If the energy supply device is a motor, the energy stored in the storage battery is used as an auxiliary energy supply unit to realize auxiliary energy supply for the lifting process of the truss arm crawler crane in the next lifting period, and if the energy supply device is a hydraulic motor, the energy stored in the storage battery is used for energy supply in other aspects such as illumination and the like during the operation of the truss arm crawler crane in the next lifting period. The gravity potential energy can be recycled when the truss arm crawler crane lowers the heavy object, so that the energy saving purpose is achieved.
The lifting steel stranded rope I and the lifting steel stranded rope II pass through the guide pulley in the arm support together and then are fixedly connected with the lifting hook. In the lifting process of the lifting hook, the energy supply device controls the winch drum to rotate, the left side of the main winch is connected with the energy supply device, the first shaft is fixedly connected with the winch drum, and the left side of the first shaft is connected with the energy supply device through the first hole of the left side plate.
The main winch is connected with the large driving belt pulley through a first shaft, the first shaft is fixedly connected with the main winch winding drum, the first shaft penetrates through a first right side plate hole and is fixedly connected with the large driving belt pulley, and the large driving belt pulley rotates simultaneously in the process that the energy supply device drives the first shaft to rotate, so that no relative rotation exists between the first shaft and the large driving belt pulley.
The first shaft and the second shaft are horizontally arranged in parallel, the second shaft penetrates through a hole in the right side plate to be fixedly connected with the small driving belt pulley, and the small driving belt pulley and the large driving belt pulley are positioned in the same straight line in the vertical direction, so that the stability of the driving process is improved, and the abrasion of a belt is reduced. The small driving belt pulley is connected with the large driving belt pulley through a belt, and the large driving belt pulley drives the small driving belt pulley to rotate.
The second shaft is fixedly provided with a small driving belt pulley at the right side of a second right side plate hole, the left side of the second right side plate hole is fixedly provided with an electromagnetic clutch, the left side of the electromagnetic clutch is connected with a flywheel device, the electromagnetic clutch indirectly controls the operation of a generator in the flywheel device, in the actual working condition, the electromagnetic clutch is powered off, namely separated, in the process of lifting a heavy object by a lifting hook, and the flywheel device does not participate in energy recovery work at the moment; in the process of lowering the weight by the lifting hook, the electromagnetic clutch is electrified, namely is in fit, and the flywheel device participates in energy recovery work.
The driving part of the electromagnetic clutch is separated from the left driven part and the right driven part, and the clutch of the electromagnetic clutch is controlled by controlling the on-off of current in the electromagnetic coil. The friction plate type electromagnetic clutch has the advantages of simple structure, rapid combination and separation, etc.
The electromagnetic clutch controls the separation and the attachment of the left driven disc and the right driven disc through a PID controller.
The electromagnetic clutch right driven plate is fixedly connected with the right side plate, and the left side of the left driven plate is connected with the speed increaser. The electromagnetic clutch is electrified, and the speed increaser works to accelerate the rotation speed of the flywheel.
The thrust ball bearing is used at the joint of the shaft and the hole, and has the characteristics of low production cost, low installation cost and the like, and simultaneously, the rotation resistance of the first shaft and the second shaft can be reduced, so that the energy loss is finally reduced.
Whether the storage battery participates in energy utilization is judged by using an energy storage system SOC, the running range of the energy storage SOC is limited to 10% -90%, when the electric quantity stored in the storage battery is within the limit of the energy storage SOC, if the energy supply device is a motor, in the next lifting period, the energy stored in the storage battery is used as an auxiliary energy supply unit to realize auxiliary energy supply for the lifting process of the truss arm crawler crane, if the energy supply device is a hydraulic motor, and in the next lifting period, the energy stored in the storage battery is used for supplying energy for other aspects such as illumination when the truss arm crawler crane works. The gravity potential energy can be recycled when the truss arm crawler crane lowers the heavy object, so that the energy saving purpose is achieved.
The speed increaser is arranged between the flywheel device and the electromagnetic clutch, so that the lifting hook can be used for efficiently recovering the gravitational potential energy when the lifting hook is used for lowering a heavy object in a short distance.
The flywheel device consists of a flywheel shell, a generator, an electric wire interface, a vacuum chamber, a flywheel and a superconductive magnetic suspension bearing. During rotation of the flywheel, mechanical energy is converted into electrical energy by the generator and stored in the battery. The flywheel and the generator are both sealed in the flywheel housing and coaxially arranged. The flywheel is arranged in the vacuum container, and the flywheel can be in a vacuum environment, so that the energy conversion efficiency of the flywheel in the rotation process is higher.
During the operation process of the truss arm crawler crane, when a lifting hook lifts a heavy object, a winding drum of a main winding engine rotates, a lifting steel strand is recovered, a shaft drives a large transmission belt pulley to drive, a small transmission belt pulley rotates to drive a second shaft to rotate through the action of a belt, an electromagnetic clutch is controlled to be powered off at the moment, a flywheel device does not participate in working, energy recovery is not carried out under the working condition, and the energy storage SOC of a storage battery is used as an auxiliary energy supply unit to assist energy supply to a motor or is directly used for other devices such as illumination and the like to supply energy when the hydraulic motor is used. When the lifting hook lowers a heavy object, the first shaft rotates in the opposite direction, the winding drum of the main winch rotates in the opposite direction, the first lifting steel strand extends and falls, the first shaft drives the large driving belt pulley to drive, the second small driving belt pulley rotates to drive the second shaft to rotate under the action of the belt, at the moment, the electromagnetic clutch is electrified, the flywheel works, the second shaft drives the flywheel to rotate, and then the mechanical energy generated by rotation of the flywheel through the generator is converted into electric energy to be finally stored in the storage battery for use in the next working period or used by other devices such as illumination.
Compared with the prior art, the invention has the beneficial effects that:
according to the gravitational potential energy recycling system based on the flywheel device, the storage battery is used as a device for storing energy, and when the lifting hook of the truss arm crawler crane is used for lowering heavy objects, the main winch drives the flywheel in the flywheel device to rotate through the belt, and mechanical energy generated by rotation of the flywheel is converted into electric energy through the generator in the flywheel device and then is stored in the storage battery. If the energy supply device is a motor, in the next lifting period, the energy stored in the storage battery is used as an auxiliary energy supply unit to realize auxiliary energy supply for the lifting process of the truss arm crawler crane. If the energy supply device is a hydraulic motor, the energy stored in the storage battery is used for supplying energy for other aspects such as illumination when the truss arm crawler crane works. The gravity potential energy can be recycled when the truss arm crawler crane lowers the heavy object, so that the energy saving purpose is achieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic structural view of the energy recovery device of fig. 1.
In the figure: the device comprises a herringbone frame, a backward tilting prevention rod, a luffing wheel, a luffing pulley, a backward tilting prevention rod pressure spring, an arm support oblique stay rope, a first lifting steel strand, a second lifting steel strand, an arm support, a lifting hook, a main winch, a luffing winch, an electromagnetic clutch, a flywheel device, a storage battery, a speed increaser, a power supply device, a motor, a hydraulic motor, a first shaft, a second shaft, a first left side plate hole, a second left side plate hole, a first right side plate hole, a second right side plate hole, a winding drum, a large transmission pulley, a small transmission pulley, a belt, a left driven disc, an electromagnetic coil, a right driven disc, a PID controller, a flywheel shell, a generator, a wire interface, a vacuum chamber, a flywheel and a high-temperature superconductive magnetic suspension shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It should be apparent that the described embodiments are merely some, but not all, examples of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to be within the scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution:
gravity potential energy recycling system for truss arm crawler crane based on flywheel device: the electromagnetic hydraulic power generation device comprises a propeller strut 1, a backward tilting prevention rod 2, a luffing wheel 3, a luffing pulley 4, a backward tilting prevention rod pressure spring 5, a boom inclined stay rope 6, a first lifting steel strand 7, a second lifting steel strand 8, a boom 9, a lifting hook 10, a main winch 11, a luffing winch 12, an electromagnetic clutch 13, a flywheel device 14, a storage battery 15, a speed increaser 16, an energy supply device 11.1, a motor 11.11, a hydraulic motor 11.12, a shaft I11.2, a shaft II 11.3, a left side plate hole I11.4, a left side plate hole II 11.5, a right side plate hole I11.6, a right side plate hole II 11.7, a winding drum 11.8, a large transmission pulley 11.9, a small transmission pulley 11.10, a belt 11.11, a left driven disc 13.1, an electromagnetic coil 13.2, a right driven disc 13.3, a PID controller 13.4, a flywheel housing 14.1, a generator 14.2, a wire interface 14.3, a vacuum chamber 14.4, a flywheel 14.5 and a high-temperature superconducting bearing 14.6.
The system uses a storage battery 15 as a device for storing energy, and when the truss arm crawler crane hook 10 is used for lowering a heavy object, the main winch drives the flywheel 14.5 in the flywheel device 14 to rotate through the belt 11.11, and mechanical energy generated by rotation of the flywheel 14.5 is converted into electric energy through the generator 14.2 in the flywheel device 14 and then is stored in the storage battery 15. If the energy supply device 11.1 is a motor 11.11, in the next lifting period, the energy stored in the storage battery 15 is used as an auxiliary energy supply unit to realize auxiliary energy supply for the lifting process of the truss arm crawler crane, and if the energy supply device 11.1 is a hydraulic motor 11.12, the energy stored in the storage battery 15 is used for supplying energy for other aspects such as illumination when the truss arm crawler crane works. The gravity potential energy can be recycled when the truss arm crawler crane lowers the heavy object, so that the energy saving purpose is achieved.
During the process of lowering the weight by the lifting hook 10, the mechanical energy generated by the rotation of the flywheel 14.5 is converted into electric energy by the generator 14.2 in the flywheel device 14 and stored in the storage battery 15 by the main winch 11. If the energy supply device 11.1 is a motor 11.11, in the next lifting period, the energy stored in the storage battery 15 is used as an auxiliary energy supply unit to realize auxiliary energy supply for the lifting process of the truss arm crawler crane, and if the energy supply device 11.1 is a hydraulic motor 11.12, the energy stored in the storage battery 15 is used for supplying energy for other aspects such as illumination when the truss arm crawler crane works. The gravity potential energy can be recycled when the truss arm crawler crane lowers the heavy object, so that the energy saving purpose is achieved.
The first lifting steel stranded rope 7 is fixedly wound in the first main winch 11, the second lifting steel stranded rope 8 is fixedly wound in the amplitude-variable winch 12, and the first lifting steel stranded rope 7 and the second lifting steel stranded rope 8 pass through a guide pulley in the arm support 9 together and then are fixedly connected with the lifting hook 10. In the lifting process of the lifting hook 10, the energy supply device 11.1 controls the winch drum 11.8 to rotate, the left side of the main winch 11 is connected with the energy supply device 11.1, the first shaft 11.2 is fixedly connected with the winch drum 11.8, and the left side of the first shaft 11.2 is connected with the energy supply device 11.1 through the first left plate hole 11.4.
The main winch 11 is connected with the large transmission belt pulley 11.9 through a first shaft 11.2, the first shaft 11.2 is fixedly connected with the main winch 11 winding drum 11.8, the first shaft 11.2 penetrates through a right side plate hole 11.6 to be fixedly connected with the large transmission belt pulley 11.9, and the large transmission belt pulley 11.9 rotates simultaneously in the process that the energy supply device 11.1 drives the first shaft 11.2 to rotate, so that no relative rotation exists among the first shaft 11.2, the second shaft 11.2 and the large transmission belt pulley.
The first shaft 11.2 and the second shaft 11.3 are horizontally arranged in parallel, the second shaft 11.3 penetrates through the right side plate hole 11.7 to be fixedly connected with the small driving belt pulley 11.10, and the small driving belt pulley 11.10 and the large driving belt pulley 11.9 are positioned in the same straight line in the vertical direction, so that the stability of the driving process is improved, and the abrasion of a belt is reduced. The small transmission belt pulley 11.10 is connected with the large transmission belt pulley 11.9 through a belt 11.11, and the large transmission belt pulley 11.9 drives the small transmission belt pulley 11.10 to rotate.
The second shaft 11.3 is fixedly provided with a small driving belt pulley 11.10 on the right side of the second right side plate hole 11.7, the left side of the second right side plate hole 11.7 is fixedly provided with an electromagnetic clutch 13, the left side of the electromagnetic clutch 13 is connected with a flywheel device 14, the electromagnetic clutch 13 indirectly controls a generator 14.2 in the flywheel device 14 to operate, in an actual working condition, the electromagnetic clutch 13 is powered off, namely separated, when the lifting hook 10 lifts a heavy object, and the flywheel device 14 does not participate in energy recovery operation; during the process of lowering the weight by the lifting hook 10, the electromagnetic clutch 13 is electrified, namely is in fit, and the flywheel device 14 participates in energy recovery work.
The electromagnetic clutch 13 mainly comprises a left driven plate 13.1, an electromagnetic coil 13.2, a right driven plate 13.3 and other parts, when the electromagnetic coil 13.2 is powered off, the electromagnetic clutch 13 is in a separation state, a driving part of the electromagnetic clutch 13 is separated from the left driven part and the right driven part, and the separation and the closing of the electromagnetic clutch 13 are controlled by controlling the on-off of current in the electromagnetic coil 13.2. The friction plate type electromagnetic clutch has the advantages of simple structure, rapid combination and separation, etc.
The gravitational potential energy recycling system for the truss arm crawler crane based on the flywheel device is characterized in that: the electromagnetic clutch 13 controls the separation and attachment of the left driven disk 13.1 and the right driven disk 13.3 by the PID controller 13.4.
The right driven plate 13.3 of the electromagnetic clutch 13 is fixedly connected with the right side plate, and the left side of the left driven plate 13.1 is connected with the speed increaser 16. The electromagnetic clutch 13 is energized and the speed increaser 16 operates to accelerate the flywheel 14.5.
The thrust ball bearing 11.12 is used at the joint of the shaft and the hole, and has the characteristics of low production cost, low installation cost and the like, and meanwhile, the rotation resistance of the first shaft 11.2 and the second shaft 11.3 can be reduced, so that the energy loss is finally reduced.
Whether the storage battery 15 participates in energy utilization is judged by using an energy storage system SOC, the running range of the energy storage SOC is limited to 10% -90%, when the electric quantity stored in the storage battery 15 is within the limit of the energy storage SOC, for example, the energy supply device 11.1 is a motor 11.11, in the next lifting period, the energy stored in the storage battery 15 is used as an auxiliary energy supply unit to realize auxiliary energy supply for the lifting process of the truss arm crawler crane, for example, the energy supply device 11.1 is a hydraulic motor 11.12, and in the next lifting period, the energy stored in the storage battery 15 is used for lighting and other aspects for energy supply when the truss arm crawler crane works. The gravity potential energy can be recycled when the truss arm crawler crane lowers the heavy object, so that the energy saving purpose is achieved.
The speed increaser 16 is arranged between the flywheel device 14 and the electromagnetic clutch 13, so that the lifting hook 10 can be ensured to efficiently recover the gravitational potential energy when a heavy object is placed in a short distance.
The flywheel device 14 consists of a flywheel housing 14.1, a generator 14.2, a wire interface 14.3, a vacuum chamber 14.4, a flywheel 14.5 and a superconductive magnetic suspension bearing 14.6. During rotation, the flywheel 14.5 converts mechanical energy into electrical energy via the generator 14.2 and stores it in the battery 15. Both the flywheel 14.5 and the generator 14.2 are sealed within the flywheel housing 14.1 and are coaxially arranged. The flywheel (14.5) is arranged in the vacuum container 14.4, and the flywheel 14.5 can be in a vacuum environment, so that the energy conversion efficiency in the rotation process is higher.
In the operation process of the truss arm crawler crane, when the lifting hook 10 lifts a heavy object, the winding drum 11.8 of the main winch 11 rotates, the lifting steel strand I7 is recovered, the shaft I11.2 drives the large transmission belt pulley 11.9 to transmit, the small transmission belt pulley 11.10 rotates to drive the second shaft 11.3 to rotate through the action of the belt 11.11, the electromagnetic clutch 13 is controlled to be powered off at the moment, the flywheel device 14 does not participate in working, energy recovery is not carried out under the working condition, and the energy storage SOC of the storage battery 15 is used as an auxiliary energy supply unit to assist energy supply for the motor 11.11 or is directly used for other devices such as illumination energy supply when the hydraulic motor 11.12 is used. When the lifting hook 10 drops a heavy object, the first shaft rotates in the opposite direction 11.2, the winding drum 11.8 of the main winch 11 rotates in the opposite direction, the lifting steel strand 7 stretches, the first shaft 11.2 drives the large transmission belt pulley 11.9 to drive, the small transmission belt pulley 11.10 rotates to drive the second shaft 11.3 to rotate under the action of the belt 11.11, the electromagnetic clutch 13 is electrified at the moment, the flywheel 14.5 works, the second shaft 11.3 drives the flywheel 14.5 to rotate, and mechanical energy generated by rotation of the flywheel 14.5 is further converted into electric energy through the generator 14.2 and finally stored in the storage battery 15 for use by other devices such as the next operation cycle or illumination.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (1)

1. Gravity potential energy recycling system of truss arm crawler crane based on flywheel device, which is characterized in that: the system comprises a propeller strut (1), a backward tilting prevention rod (2), a luffing wheel (3), a luffing pulley (4), a backward tilting prevention rod pressure spring (5), a cantilever crane inclined stay rope (6), a lifting steel strand I (7), a lifting steel strand II (8), a cantilever crane (9), a lifting hook (10), a main winch (11), a luffing winch (12), an electromagnetic clutch (13), a flywheel device (14), a storage battery (15), a speed accelerator (16), an energy supply device (11.1), a motor (11.11), a hydraulic motor (11.12), a shaft I (11.2), a shaft II (11.3), a left side plate hole I (11.4), a left side plate hole II (11.5), a right side plate hole I (11.6), a right side plate hole II (11.7), a winding drum (11.8), a large transmission belt pulley (11.9), a small transmission belt pulley (11.10), a belt (11.11), a left driven disc (13.1), an electromagnetic coil (13.2), a right driven disc (13.3), a PID controller (13.4), a flywheel housing (14.1), a generator (14.2), a high-temperature superconductive wire interface (14.5, and a magnetic suspension bearing (14.6.5.
CN202311539921.0A 2023-11-19 2023-11-19 Gravity potential energy recycling system for truss arm crawler crane based on flywheel device Pending CN117533963A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311539921.0A CN117533963A (en) 2023-11-19 2023-11-19 Gravity potential energy recycling system for truss arm crawler crane based on flywheel device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311539921.0A CN117533963A (en) 2023-11-19 2023-11-19 Gravity potential energy recycling system for truss arm crawler crane based on flywheel device

Publications (1)

Publication Number Publication Date
CN117533963A true CN117533963A (en) 2024-02-09

Family

ID=89791310

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311539921.0A Pending CN117533963A (en) 2023-11-19 2023-11-19 Gravity potential energy recycling system for truss arm crawler crane based on flywheel device

Country Status (1)

Country Link
CN (1) CN117533963A (en)

Similar Documents

Publication Publication Date Title
CN114735035B (en) Series-parallel connection type oil-electricity hybrid power monorail crane and control method
CN102182427A (en) Numerically-controlled distance-measuring brake drum oil pumping unit
CN206720617U (en) The high rotating speed energy-storage booster of crane and lifting mechanism
CN213356789U (en) Novel double-drum rope winding prevention electric hoist
CN117533963A (en) Gravity potential energy recycling system for truss arm crawler crane based on flywheel device
CN113846999B (en) Dual-motor driven vertical pumping unit and working method thereof
CN108358064B (en) Self-powered tower crane rotating lifting appliance device
CN212769540U (en) Energy-saving fixed crane
JP6819997B2 (en) Spud mooring equipment
CN220492808U (en) Potential energy recovery device of lifter
CN210559081U (en) Heavy object handling tool
CN202358790U (en) Rescue device of machine-room-less lift
CN213974360U (en) Anchor windlass for 40000-ton self-discharging ship
CN111170152A (en) Double-power eight-rope grab trolley
CN115849182B (en) Monorail crane and power adjusting method thereof
CN214780390U (en) Hoisting equipment for wind power blade
CN110921472A (en) Permanent-magnet direct-drive type mine hoist
CN204416981U (en) A kind of portable full electricity powered lifting assistant
CN215756102U (en) Hoisting equipment for mounting power equipment
CN216336194U (en) Low-noise high-strength electric single-beam suspension crane
CN220334595U (en) Energy-saving crane
CN217172748U (en) Cantilever cable drum of crawler walking machinery
CN211871205U (en) Crane
CN218939130U (en) Gravity energy storage power generation model and gravity energy storage system using same
CN217126769U (en) Intelligent elevator taking electric hoist as driving host

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication