CN210136637U

CN210136637U - Energy recovery experimental device

Info

Publication number: CN210136637U
Application number: CN201921049341.2U
Authority: CN
Inventors: 杨志茂; 饶金喜; 杨东塘
Original assignee: Fujian Minda Technology Co ltd
Current assignee: Fujian Minda Technology Co ltd
Priority date: 2019-07-06
Filing date: 2019-07-06
Publication date: 2020-03-10
Anticipated expiration: 2029-07-06

Abstract

The utility model provides an energy recovery experimental device, which comprises a fixing frame, a recovery experimental unit for converting kinetic energy into electric energy, an elastic potential energy recovery experimental unit and an adjustable potential energy recovery experimental unit; the recovery experiment unit for converting kinetic energy into electric energy comprises a first motor, a bracket and a flywheel; the elastic potential energy recovery experiment unit comprises a base, a linear guide rail, a first rack, a spring and a rotating mechanism; the adjustable potential energy recovery experiment unit comprises a base stand column, two guide rail stand columns, a bearing mounting plate, a third motor, a transmission mechanism and a damping mechanism. The utility model relates to a but have recovery experiment unit, elastic potential energy recovery experiment unit and the adjustable potential energy recovery experiment unit that research kinetic energy converts the electric energy simultaneously, and combine simply convenient operation, easy dismounting.

Description

Energy recovery experimental device

Technical Field

The utility model belongs to the technical field of an energy recovery technique and specifically relates to energy recovery experimental apparatus.

Background

The energy recovery is to convert the energy form which cannot be stored and reused and is about to be wasted, such as heat energy, wind energy, kinetic energy of water and the like, into electric energy to be stored and reused. The mechanical energy is composed of gravitational potential energy, elastic potential energy and kinetic energy, and is also the most common loss forms of the mechanical energy, the motor is a common equipment power source in the life production, meanwhile, the motor also has the characteristic of generating electricity by a generator, and by researching the energy conversion among the gravitational potential energy, the elastic potential energy, the kinetic energy and the electric energy, the research on the recovery efficiency when the mechanical energy is recovered and converted into the electric energy has great significance for saving energy in the life production. The parameters influencing gravitational potential energy are the mass and height of an object, the parameters influencing elastic potential energy of a spring are elastic modulus and stroke, and the parameters influencing kinetic energy of a flywheel are rotating speed and rotational inertia. To simulate mechanical energy in various life and production, a variable parameter experiment platform is needed to simulate the existence forms of mechanical energy with different sizes in various life and production.

At present, when some energy experiments are researched, some kinetic energy or potential energy is often wasted, so that the energy needs to be recycled; when various energy recovery experimental devices are researched, none of the experimental devices can research various energy recovery at the same time, and one energy recovery experimental device needs to be replaced when one energy recovery experiment is researched, so that inconvenience is brought to the experiment, and time is wasted.

At present, the experiment is done indoors, the needed equipment is short, small and exquisite, the operation is convenient, if the equipment is too big, the experiment is inconvenient to be done, and the storage space is increased. The existing potential energy recovery experiment is that under the condition of ensuring a certain stroke, the stroke is completed by matching a gear and a rack, the stroke is certain, and only one gear enables the length of the rack to be at least not less than the stroke, so that the experiment can be completed. The damping effect of rotary damper on the present market is unstable, and the reaction force that provides changes the interval for a short time, however the big stroke can not be walked to the linear damper, the utility model discloses utilize ball and the cooperation of hydraulic cylinder type attenuator to solve this problem.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a recovery experiment unit, an elastic potential energy recovery experiment unit and an adjustable potential energy recovery experiment unit which can simultaneously research the conversion of kinetic energy into electric energy, and the combination is simple, the operation is convenient, and the assembly and disassembly are convenient; and adjustable potential energy retrieves experimental unit, under the condition of guaranteeing certain stroke, just can accomplish through short rack, and great reduction the height of device, and guaranteed that the slider of different weight can the steady decline speed, be unlikely to the too fast huge striking that produces of speed and destroy the device.

The utility model discloses a realize like this: an energy recovery experimental device comprises a fixing frame, a recovery experimental unit for converting kinetic energy into electric energy, an elastic potential energy recovery experimental unit and an adjustable potential energy recovery experimental unit;

the recovery experiment unit for converting kinetic energy into electric energy, the elastic potential energy recovery experiment unit and the adjustable potential energy recovery experiment unit are all fixedly arranged on the fixing frame;

the recovery experiment unit for converting kinetic energy into electric energy comprises a first motor, a support and a flywheel, wherein the support is provided with openings at the front side and the rear side, a first rotating shaft is arranged between the bottom wall and the top wall of the support, the flywheel is arranged on the first rotating shaft, and the upper end of the first rotating shaft penetrates through the top wall of the support and extends to the outside of the top wall; the first motor is positioned above the bracket, and the output end of the first motor is fixedly connected with the upper end of the first rotating shaft;

the elastic potential energy recovery experiment unit comprises a base, a linear guide rail, a first rack, a spring and a rotating mechanism; the base comprises a bottom plate and a side plate surrounding the bottom plate, the linear guide rail is arranged at one end of the bottom plate, the linear guide rail is provided with a first sliding block in a sliding way, the first rack is arranged on the first sliding block, one end of the spring is fixedly connected with one end of the first rack, the other end of the spring is fixed at the other end of the bottom plate through a fixing block, the rotating mechanism comprises a second motor arranged outside the side plate, a rotating shaft bracket arranged on the bottom plate and across the two sides of the linear guide rail, a second rotating shaft fixed on the inner side of the rotating shaft bracket through a first bearing seat and a first gear arranged on the second rotating shaft, the first gear is meshed with the first rack, and an output shaft of the second motor is connected with the second rotating shaft through a coupler;

the adjustable potential energy recovery experimental unit comprises a base upright post, two guide rail upright posts, a bearing mounting plate, a third motor, a transmission mechanism and a damping mechanism; the base upright post and the two guide rail upright posts are fixed on a base in parallel, a second sliding block is arranged between the two guide rail upright posts in a sliding manner, a second rack is vertically arranged on the second sliding block, and the bearing mounting plate is vertically fixed between the base upright post and one of the guide rail upright posts; the third motor is fixed at the lower end of the bearing mounting plate; the transmission mechanism comprises a first transmission shaft, a plurality of second transmission shafts, a plurality of first bevel gears and a plurality of second bevel gears, wherein the first transmission shaft, the plurality of second transmission shafts, the plurality of first bevel gears and the plurality of second bevel gears are fixedly connected to the output end of the third motor through flanges; the first transmission shaft is fixed through a second bearing seat arranged on the bearing mounting plate, a plurality of first bevel gears are sleeved on the first transmission shaft at equal intervals, a plurality of second transmission shafts are distributed on the two guide rail stand columns at equal intervals, two ends of each second transmission shaft are fixed through second bearing seats arranged on the two guide rail stand columns respectively, one end of each second transmission shaft is sleeved with the second bevel gear respectively, the second bevel gears are correspondingly engaged with the first bevel gears respectively, each second transmission shaft is further sleeved with a second gear, and the second gear is correspondingly engaged with the second gear; the damping mechanism comprises a damping support, two ball screws, a connecting plate and a plurality of hydraulic dampers, the damping support is fixed on the base and located on one side of the other guide rail upright, the two ball screws correspond to the two corresponding second transmission shafts and are fixedly connected with the two corresponding second transmission shafts respectively, nuts are arranged on the ball screws, two ends of the connecting plate are fixedly connected with the two nuts respectively, a pull rod at one end of each hydraulic damper is fixed on the connecting plate, and the other end of each hydraulic damper is fixed on the damping support.

Preferably, a plurality of balancing weights are uniformly arranged on the outer edge of the flywheel, the balancing weights are rotationally connected to the flywheel through threads, and the rotational inertia of the flywheel is changed by arranging a configuration block.

Preferably, the first motor is fixed above the support through a motor base, and hanging lugs are arranged on two sides of the motor base and fixed on the support through bolts.

Preferably, an angular contact ball bearing is arranged on the inner bottom wall of the support, a rhombic bearing seat is arranged on the inner top wall, the lower end of the first rotating shaft is arranged in the angular contact ball bearing, the rhombic bearing seat is arranged at the upper end of the first rotating shaft in a penetrating mode, and the angular contact ball bearing and the rhombic bearing seat are used for fixing the first rotating shaft.

Preferably, the bottom plate of the base is provided with a buffer block support at the connecting end of the first rack and the spring, the buffer block support is provided with two buffer blocks at one side corresponding to the first rack for blocking and buffering the first rack and preventing the first rack from being damaged.

Preferably, the second motor is fixed on the side plate of the base through a motor bracket and used for fixing the second motor.

Preferably, the two ends of the spring are fixedly connected with the first rack and the fixed block through screws respectively, so that the spring is convenient to replace, and different elastic moduli can be adjusted for research.

Preferably, the distance between every two second transmission shafts is smaller than the length of the second rack.

Preferably, the number of the second transmission shafts is 3.

Preferably, a plurality of foot cups are arranged on the lower end face of the base.

The utility model has the advantages that:

1. the recovery experiment unit, the elastic potential energy recovery experiment unit and the adjustable potential energy recovery experiment device have the advantages that the recovery experiment unit, the elastic potential energy recovery experiment unit and the adjustable potential energy recovery experiment device can research the conversion of kinetic energy into electric energy, and are simple to combine, convenient to operate and convenient to disassemble and assemble.

2. The first motor drives the first rotating shaft to rotate, so that the flywheel on the first rotating shaft is driven to rotate, when the first motor is closed, the flywheel continues to rotate due to inertia, the first rotating shaft is driven to rotate, the motor generates electricity, the kinetic energy of the flywheel becomes electric energy, and the device is convenient to disassemble and assemble and is beneficial to the research of indoor tests.

3. Drive first gear revolve through setting up the electricity generation of second motor, thereby drive first rack and remove to the opposite direction of spring, thereby make the one end of spring be drawn to the certain distance, close the second motor spring because reaction force drives first rack and removes along the direction of spring, thereby drive first gear revolve, first gear drives the drive shaft counter-rotation of second motor, because the motor indicates the electromagnetic means who realizes the conversion or the transmission of electric energy according to the electromagnetic induction law, perhaps convert the electric energy of a form into the electric energy of another form, when consequently the second motor reverses, can convert mechanical energy into electric energy, thereby retrieve elastic potential energy, moreover, the steam generator is simple in structure, conveniently change the spring, do benefit to indoor test's research.

4. Through setting up damping mechanism for the initial velocity of second slider on the device is when 0, damping mechanism's reaction force is close to 0, because the reverse moment that second slider action of gravity produced first transmission shaft all acts on the third motor, damping mechanism also correspondingly increases to the effect of first transmission shaft when speed increases, the second slider that has guaranteed different weight through setting up damping mechanism still can the steady falling speed when gliding, be unlikely to the too fast huge striking of production of speed and destruction device. The plurality of second transmission shafts are arranged and the shorter rack is used for moving in the device, so that the height of the device is greatly reduced under the condition of ensuring the stroke, and the indoor experimental research is facilitated; and through the cooperation of ball and hydraulic damper, can make the experiment of the big stroke of stable completion of second rack in the device.

Drawings

The invention will be further described with reference to the following examples with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the energy recovery experimental apparatus of the present invention.

Fig. 2 is the schematic structural diagram of the recovery experiment unit for converting kinetic energy into electric energy.

Fig. 3 is a front view of the mounting structure of the bracket and the flywheel of the present invention.

Fig. 4 is the structural schematic diagram of the elastic potential energy recovery experiment unit of the utility model.

Fig. 5 is a partial cross-sectional view of fig. 4.

Fig. 6 is the structure schematic diagram of the adjustable potential energy recovery experiment unit of the utility model.

Reference is made to the accompanying drawings in which: the first motor 21, the motor base 211, the suspension lug 2111, the bracket 22, the first rotating shaft 223, the angular contact ball bearing 224, the diamond-shaped bearing seat 225, the flange 226, the flange seat 227, the flywheel 23, the counterweight 231, the base 31, the bottom plate 311, the side plate 312, the linear guide rail 32, the first slider 321, the first rack 33, the spring 34, the fixed block 341, the rotating mechanism 35, the second motor 351, the rotating shaft bracket 352, the first bearing seat 353, the second rotating shaft 354, the first gear 355, the coupling 356, the motor bracket 357, the buffer block bracket 36, the buffer block 361, the base upright 41, the guide upright 42, the bearing mounting plate 43, the transmission mechanism 44, the damping mechanism 45, the base 411, the second slider 422, the second rack 423, the third motor 441, the first transmission shaft 442, the second transmission shaft 443, the first bevel gear 444, the second bevel gear 445, the second gear 446, the second bearing seat 431, the damping bracket 451, the second gear, Ball screw 452, connecting plate 453, hydraulic damper 454, nut 4522 and pull rod 4541

Detailed Description

Referring to fig. 1 to 6, an energy recovery experimental apparatus of the present invention includes a fixing frame 100, a recovery experimental unit 200 for converting kinetic energy into electric energy, an elastic potential energy recovery experimental unit 300, and an adjustable potential energy recovery experimental unit 400;

as shown in fig. 2 and 3, the recovery experiment unit 200 for converting kinetic energy into electric energy, the elastic potential energy recovery experiment unit 300 and the adjustable potential energy recovery experiment unit 400 are all fixedly disposed on the fixing frame 100;

the recovery experiment unit 200 for converting kinetic energy into electric energy comprises a first motor 21, a bracket 22 and a flywheel 23, wherein the bracket 22 is a bracket with openings at the front side and the rear side; a plurality of balancing weights 231 which are symmetrical by taking the central axis of the flywheel as the center are uniformly arranged on the outer edge of the flywheel 23, the balancing weights 231 are rotationally connected to the flywheel 23 through threads, and the rotational inertia of the flywheel 23 is changed by arranging the configuration blocks 231. A first rotating shaft 223 is arranged between the bottom wall and the top wall of the bracket 22, an angular contact ball bearing 224 is arranged on the inner bottom wall of the bracket 22, a diamond bearing seat 225 is arranged on the inner top wall, the lower end of the first rotating shaft 223 is arranged in the angular contact ball bearing 224, the diamond bearing seat 225 is arranged at the upper end of the first rotating shaft 223 in a penetrating manner, and the first rotating shaft 223 is fixed by arranging the angular contact ball bearing 224 and the diamond bearing seat 225; the flywheel 23 is disposed on the first rotating shaft 223, and the flywheel 223 is fixed on the first rotating shaft 223 through a flange 226 and a flange seat 227. The upper end of the first rotating shaft 223 penetrates through the top wall of the bracket 22 and extends to the outside of the top wall; first motor 21 is located the support 22 top, first motor 21 is fixed through a motor cabinet 211 support 22 top, the both sides of motor cabinet 211 are equipped with hangers 2111, and through the bolt fastening in on the support 22, make things convenient for the dismouting. The output end of the first motor 21 is fixedly connected with the upper end of the first rotating shaft 223.

The working principle of the recovery experiment unit 200 for converting kinetic energy into electric energy is as follows: the first motor 21 drives the first rotating shaft 223 to rotate, so as to drive the flywheel 23 on the first rotating shaft 223 to rotate, when the first motor 21 is turned off, the flywheel 23 continues to rotate due to inertia, so as to drive the first rotating shaft 223 to rotate, so that the rotor of the first motor 21 rotates to cut magnetic lines of force to generate current, the purpose of generating power is achieved, and the kinetic energy of the flywheel 23 is changed into electric energy. During the experiment, accessible current detection device such as ampere meter detects the electric current, obtains the experimental result, and for the experiment needs, flywheel 23 still can drive first motor 21 rotation electricity generation alone, and whether the produced electric current of first motor 21 rotation electricity generation is different to be detected with balancing weight 231 jointly to make multiple experimental analysis.

As shown in fig. 4 and 5, the elastic potential energy recovery experimental unit 300 includes a base 31, a linear guide rail 32, a first rack 33, a spring 34 and a rotating mechanism 35; base 31 includes a bottom plate 311 and encircles curb plate 312 on the bottom plate, linear guide 32 set up in the one end of bottom plate 311, linear guide 32 is slided and is equipped with a first slider 321, first rack 33 set up in on the first slider 321, the one end of spring 34 with the one end fixed connection of first rack 33, the other end of spring 34 is fixed in through a fixed block 341 on the other end of bottom plate 311, wherein the both ends of spring 34 respectively through the screw with first rack 33 and fixed block 341 fixed connection conveniently change spring 34. The base plate 311 of the base 31 is provided with a buffer block support 36 at the connecting end of the first rack 33 and the spring 34, and the buffer block support 36 is provided with two buffer blocks 361 at one side corresponding to the first rack 33 for blocking and buffering the first rack 33 and preventing the first rack 33 from being damaged. The rotating mechanism 35 includes a second motor 351 disposed outside the side plate 312, a rotating shaft support 352 disposed on the bottom plate 311 and crossing over both sides of the linear guide rail 32, a second rotating shaft 354 fixed inside the rotating shaft support 352 through a first bearing seat 353, and a first gear 355 disposed on the second rotating shaft 354, wherein the first gear 355 is engaged with the first rack 33, an output shaft of the second motor 351 is connected to the second rotating shaft 354 through a coupling 356, and the second motor 351 is fixed to the side plate 312 of the base 31 through a motor support 357 to fix the second motor 351.

The working principle of the elastic potential energy recovery experiment unit 300 is as follows: starting the second motor 351, driving the first gear 355 to rotate by the rotation of the second motor 351, the first gear 355 being engaged with the first rack 33, thereby driving the first rack 33 to move along the opposite direction of the spring 34, because one end of the spring 34 is fixed on the bottom plate 311, the other end is fixed with the first rack 33, and the first rack 33 moving drives the extension of the spring 34, when the spring 34 is extended to a certain distance, the second motor 351 is closed, because the spring 34 contracts, thereby the spring 34 drives the first rack 33 to move along the fixed end direction of the spring 33, when the first rack 33 moves, the first gear 355 is driven to rotate, the first gear 355 rotates to drive the second rotating shaft 354 to rotate, thereby the second motor 351 generates electricity; by arranging the buffer block bracket 36, two buffer blocks 361 are arranged on the buffer block bracket 36 and on one side corresponding to the first rack 33, and are used for blocking and buffering the first rack 33 and preventing the first rack 33 from being damaged; two ends of the spring 34 are respectively fixedly connected with the first rack 33 and the fixed block 341 through screws, so that the spring 34 is convenient to replace, and different elastic moduli can be adjusted for research.

As shown in fig. 6, the adjustable potential energy recovery experimental unit 400 includes a base column 41, two guide rails 42, a bearing mounting plate 43, a third motor 441, a transmission mechanism 44 and a damping mechanism 45; the base upright column 41 and the two guide rail upright columns 42 are fixed on a base 411 in parallel, a plurality of foot cups 4111 are arranged on the lower end surface of the base 411, a second sliding block 422 is arranged between the two guide rail upright columns 42 in a sliding manner, a second rack 423 is vertically arranged on the second sliding block 422, and the bearing mounting plate 43 is vertically fixed between the base upright column 41 and one of the guide rail upright columns 42; the third motor 441 is fixed at the lower end of the bearing mounting plate 43, and the transmission mechanism 44 includes a first transmission shaft 442 fixedly connected to the output end of the third motor 441 through a flange, a plurality of second transmission shafts 443, a plurality of first bevel gears 444, and a plurality of second bevel gears 445; the first transmission shaft 442 is fixed by a second bearing seat 431 arranged on the bearing mounting plate 43, a plurality of first bevel gears 444 are equidistantly sleeved on the first transmission shaft 442, a plurality of second transmission shafts 443 are equidistantly distributed on the two guide rail columns 42, the number of the second transmission shafts 443 is 3, two ends of each second transmission shaft 443 are respectively fixed by the second bearing seats 431 arranged on the two guide rail columns 42, one end of each second transmission shaft 443 is respectively provided with the second bevel gear 445, the second bevel gears 445 are respectively correspondingly engaged with the first bevel gears 444, each second transmission shaft 443 is further sleeved with a gear 446, the corresponding second gear 423 is engaged with the gear 446, and the distance between every two second transmission shafts 443 is smaller than the length of the second rack 423; the damping mechanism 45 includes a damping support 451, two ball screws 452, a connecting plate 453 and a plurality of hydraulic dampers 454, the damping support 451 is fixed on the base 411 and is located at one side of the other guide rail upright 42, the two ball screws 452 are respectively and correspondingly and fixedly connected with the two corresponding second transmission shafts 443, nuts 4522 are respectively arranged on the ball screws 452, two ends of the connecting plate 453 are respectively and fixedly connected with the two nuts 4522, a pull rod 4541 at one end of each of the plurality of hydraulic dampers 454 is fixed on the connecting plate 453, and the other end of each of the plurality of hydraulic dampers 454 is fixed on the damping support 451.

The working principle of the adjustable potential energy recovery experimental unit 400 is as follows: the second sliding block 422 is slidably disposed between the two guide rail columns 42, and the second rack 423 is disposed on the second sliding block 422, the second rack 423 can be driven by the sliding of the second sliding block 422 to slide, the first transmission shaft 442 is driven to rotate by the third motor 441, so that the plurality of first bevel gears 444 fixed on the first transmission shaft 442 rotate simultaneously, the first bevel gears 444 are correspondingly engaged with the second bevel gears 445, so that the second bevel gears 445 rotate, the second bevel gears 445 rotate to drive the second transmission shaft 443 to rotate, the second transmission shaft 443 is provided with a second gear 446, the second transmission shaft 443 drives the second gear 446 to rotate, the second gear 446 rotates to drive the second rack 423 to move upward, the distance between every two second transmission shafts 443 is less than the length of the second rack 423, when one second gear 446 drives the second rack 423 to move upward, when one end of the second rack 423 moves to reach another second gear 446 above the second gear 446, another second gear 446 continues to drive the second rack 423 to move upwards, and so on, so that the second rack 423 can reach the designated height of the guide rail upright 42, and meanwhile, the second transmission shaft 443 rotates in the process of moving the second rack 423 upwards to drive the two ball screws 452 to rotate, and then the nut 4522 of the ball screw 452 drives the pull rod 4541 of the hydraulic damper 454, and the pull rod 4541 is pressed into the hydraulic cavity of the hydraulic damper 454; when the second rack 423 reaches the designated height of the guide rail upright post 42, the power supply of the third motor 441 is turned off, the second sliding block 422 drives the second gear 446 to rotate through the second rack 423 due to the action of gravity, and then the first bevel gear 444 and the second bevel gear 445 are meshed to drive the first transmission shaft 442 to rotate, so as to drive the third motor 441 to generate electricity in a rotating manner, meanwhile, the second transmission shaft 443 drives the ball screw 452 to rotate, and then the nut 4522 of the ball screw 452 drives the pull rod 4541 of the hydraulic damper 454 to pull out the pull rod 4541, so as to generate a reverse acting force, so as to prevent the ball screw 453 from rotating too fast, thereby ensuring that the second sliding block 422 cannot descend too fast due to gravity, and ensuring that the second sliding blocks 422 with different weights can stably descend at a high speed without generating huge impact to damage the device due to too fast speed.

When the second rack 423 completes a certain stroke on the guide rail upright post 42, because the second rack 423 has a length, when the second rack 423 moves to a certain height of the guide rail upright post 42, the length of the second rack 423 protrudes out of the upper end of the guide rail upright post 42, so that the height of the whole device is increased, when the shorter second rack 423 is used, when the certain stroke is completed, the shorter second rack 423 does not protrude out of the device or protrudes out of the device at a lower height, when the longer second rack 423 is used, the shorter second rack 423 protrudes out of the upper end of the device, and the height of the device is increased more, when the two rack 423 and the device reach the highest point of the guide rail upright post 42, the height of the device protruded by the shorter second rack 423 is shorter, and the height of the device protruded by the longer second rack 423 is longer; the utility model uses a plurality of second gears 446 to drive the second rack 423 to move, so that the shorter second rack 423 can complete the same stroke, and the height of the device is greatly shortened; and the damping mechanism 45 is arranged to ensure that the second sliding block 422 with different weights can still stabilize the descending speed when sliding downwards, so that the device is not damaged due to huge impact caused by too high speed.

Through setting up damping mechanism 45 for second slider 422 is when the initial velocity of device upper end is 0, damping mechanism 45's reaction force is close to 0, because the action of gravity of second slider 422 is all acted on third motor 441 to the counter torque that first transmission shaft 442 produced, damping mechanism 45 also correspondingly increases to the effect of first transmission shaft 442 when speed increases, the second slider 422 who has guaranteed different weight through setting up damping mechanism 45 still can the steady decline speed when gliding, be unlikely to the speed too fast and produce huge striking and destroy the device. The plurality of second transmission shafts 443 are arranged and the shorter rack is used for moving in the device, so that the height of the device is greatly reduced under the condition of ensuring the stroke, and the indoor experimental research is facilitated; and the second rack 423 can be stably tested for a large stroke in the device by the cooperation of the ball screw 452 and the hydraulic damper 454.

The utility model provides a but have recovery experiment unit, elastic potential energy recovery experiment unit and the adjustable potential energy recovery experiment unit that research kinetic energy converts the electric energy into simultaneously, and combine simply convenient operation, easy dismounting.

Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.

Claims

1. An energy recovery experimental device is characterized in that: comprises a fixed frame, a recovery experiment unit for converting kinetic energy into electric energy, an elastic potential energy recovery experiment unit and an adjustable potential energy recovery experiment unit;

2. An energy recovery experimental apparatus as claimed in claim 1, wherein: a plurality of balancing weights are uniformly arranged on the outer edge of the flywheel and are rotationally connected to the flywheel through threads.

3. An energy recovery experimental apparatus as claimed in claim 1, wherein: the first motor is fixed above the support through a motor base, and hanging lugs are arranged on two sides of the motor base and fixed on the support through bolts.

4. An energy recovery experimental apparatus as claimed in claim 1, wherein: an angular contact ball bearing is arranged on the inner bottom wall of the support, a rhombic bearing seat is arranged on the inner top wall, the lower end of the first rotating shaft is arranged in the angular contact ball bearing, and the upper end of the first rotating shaft penetrates through the rhombic bearing seat.

5. An energy recovery experimental apparatus as claimed in claim 1, wherein: the base is characterized in that a buffer block support is arranged on the bottom plate of the base and located at the connecting end of the first rack and the spring, and two buffer blocks are arranged on the buffer block support and located on one side corresponding to the first rack.

6. An energy recovery experimental apparatus as claimed in claim 1, wherein: the second motor is fixed on the side plate of the base through a motor support.

7. An energy recovery experimental apparatus as claimed in claim 1, wherein: and two ends of the spring are respectively fixedly connected with the first rack and the fixed block through screws.

8. An energy recovery experimental apparatus according to claim 1, wherein: the distance between every two second transmission shafts is smaller than the length of the second rack.

9. An energy recovery experimental apparatus according to claim 1, wherein: the number of the second transmission shafts is 3.

10. An energy recovery experimental apparatus according to claim 1, wherein: the lower end face of the base is provided with a plurality of foot cups.