CN207111762U - A kind of hydraulic control drum brake - Google Patents
A kind of hydraulic control drum brake Download PDFInfo
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- CN207111762U CN207111762U CN201720836458.XU CN201720836458U CN207111762U CN 207111762 U CN207111762 U CN 207111762U CN 201720836458 U CN201720836458 U CN 201720836458U CN 207111762 U CN207111762 U CN 207111762U
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- brake arm
- piston rod
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Abstract
The utility model, which provides one kind, includes brake mount, hydraulic station and controller；Brake mount is provided with the first brake arm and the second brake arm, and brake arm lower end is hinged with brake mount, and brake arm is provided with the brake block being hinged with brake arm, and the brake lining with brake block riveting is provided with the inside of brake block；First brake arm upper end is provided with the oil cylinder being hinged by rotating shaft with the first brake arm, oil cylinder is provided with into oil discharge outlet, piston, piston rod and spring are provided with oil cylinder, the other end through oil cylinder of piston rod, piston rod is fixed on the second brake arm upper end, ring spring is around piston rod, and spring is arranged on inside oil cylinder；Piston rod is fixed on the second brake arm upper end by first pre-load nut and the second pre-load nut at adapter sleeve and adapter sleeve both ends；Oil cylinder is connected by oil pipe with hydraulic station, and hydraulic station is also associated with magnetic starter, and magnetic starter is also associated with main power source；Controller is connected with hydraulic station and magnetic starter.
Description
Technical field
The utility model belongs to brake field, and in particular to a kind of hydraulic control drum brake.
Background technology
In the prior art, a kind of known variable device is widely used in the braking of conveyer belt etc., braking
The opening torque of device is promoted by the continuous running of Electrohydraulic push rod, is made by the obvolvent of pusher two brake arms of control
It is dynamic, it braked wheel rotating shaft can effectively stall, still, the brake category hard brake down, not possess controllable braking function, braking moment
It is small, typically exist（100~12500N.m）Between, there is limitation in use range, braking moment can not be according to different operating modes
Change in time.
This is the deficiencies in the prior art, therefore, for drawbacks described above of the prior art, there is provided a kind of hydraulic control drum brake
Device, it is necessary.
The content of the invention
The purpose of this utility model is, the defects of for above-mentioned variable device hard brake down, there is provided a kind of hydraulic control
Drum brake, to solve above-mentioned technical problem.
To achieve the above object, the utility model provides following technical scheme：
The utility model provides a kind of hydraulic control drum brake, including brake mount, hydraulic station and controller；
Brake mount is provided with the first brake arm and the second brake arm, and the first brake arm lower end is cut with scissors with brake mount
Connect, the second brake arm lower end is hinged with brake mount, and the first brake arm is provided with the first braking being hinged with the first brake arm
Brake shoe, the second brake arm are provided with the second brake block being hinged with the second brake arm, are provided with the inside of the first brake block and the
First brake lining of one brake block riveting, the second brake block inner side are provided with the second braking with the riveting of the second brake block
Brake bush；
First brake arm upper end is provided with oil cylinder, and one end of oil cylinder is hinged by rotating shaft and the first brake arm, and oil cylinder is provided with
Enter oil discharge outlet, piston, piston rod and spring are provided with oil cylinder, piston connects one end of piston rod, and the other end of piston rod runs through
The other end of oil cylinder, and the other end of piston rod is fixed on the second brake arm upper end, ring spring is around piston rod, and spring is arranged on
Inside oil cylinder；The size of brake normal pressure is decided by the exercising result of oil pressure and spring；
Piston rod runs through the second brake arm upper end, and piston rod and the second brake arm junction are provided with adapter sleeve, adapter sleeve two
End is respectively equipped with the first pre-load nut and the second pre-load nut, and piston rod passes through adapter sleeve and the first pretension spiral shell at adapter sleeve both ends
Female and the second pre-load nut is fixed on the second brake arm upper end；
Oil cylinder is connected with oil pipe by entering oil discharge outlet, and oil cylinder is connected by oil pipe with hydraulic station, and hydraulic station is also associated with magnetic
Power starter, magnetic starter are also associated with main power source；
Controller is connected with hydraulic station and magnetic starter, and controller is provided with pressure adjustment control button, and controller leads to
Excess pressure adjustment control button is connected with hydraulic station.
Preferably, hydraulic station includes electrohydraulic proportional control valve, pump motor, fuel tank；Fuel tank connects pump motor, pump motor connection
The pressure adjustment button of magnetic starter and electrohydraulic proportional control valve, electrohydraulic proportional control valve connected pipes and controller.It is electro-hydraulic
Proportional control valve can realize the control of the pressure, flow of oil according to the signal of controller, when pump motor works, export and press from fuel tank
Power oil gives electrohydraulic proportional control valve, and magnetic starter controls the start and stop of pump motor, meanwhile, magnetic starter exports electric signal to control
Device processed, for controller output control signal to electrohydraulic proportional control valve, electrohydraulic proportional control valve controls the flow and pressure of oil, so as to
Oil pressure is controlled, and then is converted to the control of the mechanical force to oil cylinder inner piston rod, the control to brake torque.Braking
When, controller controls the pump motor of hydraulic station to have a power failure by magnetic starter, and controller controls electrohydraulic proportional control valve according to pre-
Fixed hydraulic auto adjusting mode reduces oil pressure to reach the requirement of braking.Hydraulic station uses electrical-liquid control, brake
Braking moment can need to be adjusted automatically according to operating mode, realize good controllable braking.
Preferably, hydraulic station uses double loop hydraulic station, and double loop hydraulic station includes loop switch control valve.Double loop refers to
Be same hydraulic control system design two-way, the using and the reserved, double loop hydraulic station improves the reliability of system work, one
It is standby with one, when being broken down in a loop, another loop works can be switched to by loop switch control valve, are greatly reduced
Stop-Time of Device Failure.
Preferably, magnetic starter uses the magnetic starter of mine flame-proof type vacuum electromagnet starter model.Magnetic force opens
Dynamic device can realize the timely stalling of pump motor.
Preferably, brake mount is provided with stopping means, and stopping means includes being arranged on the on the outside of the first brake arm
One limiting plate and the second limiting plate being arranged on the outside of the second brake arm, the first limiting plate are provided with the first screwed hole and with first
The first bolt that screwed hole coordinates, the second limiting plate are provided with the second screwed hole and the second bolt coordinated with the second screwed hole.
Stopping means can limit the stroke of the first brake arm and the second brake arm.
Preferably, the first brake lining is provided with the first brake lining rivet hole, and the first brake block is provided with and the first brake bush
Rivet hole coordinate the first brake shoe rivet hole, the first brake lining by with the first brake lining rivet hole and the first brake shoe rivet
The first rivet that hole coordinates is fixed on the first brake shoe；Second brake lining is provided with the second brake lining rivet hole, the second damper brake
Watt be provided with the second brake lining rivet hole coordinate the second brake shoe rivet hole, the second brake lining by with the second brake lining riveting
The second rivet that nail and the second brake shoe rivet hole coordinate is fixed on the second brake shoe.
Preferably, spring uses disc spring.
Preferably, the main power source uses 660V or 1140V AC power.
Preferably, pump motor uses model YBK2112M-4 4KW 660/1140dI pump motor.YBK2112M-4 refers to
Be model, 4KW refers to power of motor, and 660/114dI refers to voltage class.
The beneficial effects of the utility model are：
The utility model overcomes variable device hard brake down defect, makes braking moment can be according to operating mode needs voluntarily
Adjustment, has the characteristics of soft braking, realizes good controllable braking, extend the service life of brake.
In addition, the utility model design principle is reliable, and it is simple in construction, there is very extensive application prospect.
As can be seen here, the utility model compared with prior art, has substantive distinguishing features and progress, its beneficial effect implemented
Fruit is also obvious.
Brief description of the drawings
Fig. 1 is structural representation one of the present utility model；
Fig. 2 is structural representation two of the present utility model；
Wherein, 1- brake mounts；The brake arms of 2.1- first；The brake arms of 2.2- second；3- oil cylinders；4- rotating shafts；5- enters row
Hydraulic fluid port；6- pistons；7- springs；8- piston rods；9- adapter sleeves；10.1 the first pre-load nut；10.2- the second pre-load nut；11.1-
First brake block；11.2- the second brake block；12.1- the first brake lining；12.2- the second brake lining；13- hydraulic stations；
13.1- electrohydraulic proportional control valves；13.2- pump motors；13.3- fuel tanks；14- controllers；15- oil pipes；16- magnetic starters；17-
Main power source；18.1- the first limiting plate；18.2- the second limiting plate；19.1- the first bolt；19.2- the second bolt.
Embodiment：
It is specific below in conjunction with this to enable the purpose of this utility model, feature, advantage more obvious and understandable
Accompanying drawing in embodiment, the technical scheme in the utility model is clearly and completely described.
As shown in figure 1, the utility model embodiment 1 provides a kind of hydraulic control drum brake, including brake mount 1, liquid
Pressure station 13 and controller 14；
Brake mount 1 is provided with the first brake arm 2.1 and the second brake arm 2.2, the lower end of the first brake arm 2.1 and braking
Device base 1 is be hinged, and the lower end of the second brake arm 2.2 is be hinged with brake mount 1, and 2.1 are provided with and the first braking on the first brake arm
The first be hinged brake block 11.1 of arm 2.1, the second brake arm 2.2 are provided with the second braking being hinged with the second brake arm 2.2
Brake shoe 11.2, the inner side of the first brake block 11.1 are provided with the first brake lining 12.1 with the riveting of the first brake block 11.1, the
The inner side of two brake block 11.2 is provided with the second brake lining 12.2 with the riveting of the second brake block 11.2；
The upper end of first brake arm 2.1 is provided with oil cylinder 3, and one end of oil cylinder 3 is be hinged by the brake arm 2.1 of rotating shaft 4 and first, oil
Cylinder 3 is provided with into oil discharge outlet 5, and oil cylinder 3 is interior to be provided with piston 6, piston rod 8 and spring 7, and piston 6 connects one end of piston rod 8, living
The other end of stopper rod 8 runs through the other end of oil cylinder 3, and the other end of piston rod 8 is fixed on the upper end of the second brake arm 2.2, spring 7
Around piston rod 8, and spring 7 is arranged on inside oil cylinder 3；The size of brake normal pressure is decided by the effect knot of oil pressure and spring
Fruit；Spring 7 uses disc spring；
Piston rod 8 runs through the upper end of the second brake arm 2.2, and the junction of 8 and second brake arm of piston rod 2.2 is provided with adapter sleeve 9,
The both ends of adapter sleeve 9 are respectively equipped with the first pre-load nut 10.1 and the second pre-load nut 10.2, and piston rod 8 is by adapter sleeve 9 and even
First pre-load nut 10.1 and the second pre-load nut 10.2 at the both ends of female connector 9 are fixed on the upper end of the second brake arm 2.2；
Oil cylinder 3 is connected with oil pipe 15 by entering oil discharge outlet 5, and oil cylinder 3 is connected by oil pipe 15 with hydraulic station 13, hydraulic station 13
Magnetic starter 16 is also associated with, magnetic starter 16 is also associated with main power source 17；Magnetic starter 16 uses flame-proof mine
The magnetic starter of vacuum electromagnetic starter model；Main power source uses 660V or 1140V AC power；
Controller 14 is connected with hydraulic station 13 and magnetic starter 16, and controller 14 is provided with pressure adjustment control button,
Controller 14 is connected by pressure adjustment control button with hydraulic station 13.
Hydraulic station 13 includes electrohydraulic proportional control valve 13.1, pump motor 13.2, fuel tank 13.3；Fuel tank 13.3 connects pump motor
13.2, pump motor 13.2 connects magnetic starter 16 and electrohydraulic proportional control valve 13.1, electrohydraulic proportional control valve 13.1 connect oil
The pressure adjustment button of pipe 15 and controller 14.Electrohydraulic proportional control valve can realize pressure, the stream of oil according to the signal of controller
The control of amount, when pump motor works, pump motor is controlled from fuel tank pressure oil output to electrohydraulic proportional control valve, magnetic starter
Start and stop, meanwhile, magnetic starter exports electric signal to controller, and controller output control signal is to electrohydraulic proportional control valve, electricity
The flow and pressure of liquid proportional control valve control oil, so as to control oil pressure, and then are converted to the mechanical force to oil cylinder inner piston rod
Control, the control to brake torque.During braking, controller controls the pump motor of hydraulic station to stop by magnetic starter
Electricity, controller control electrohydraulic proportional control valve to reduce oil pressure according to predetermined hydraulic auto adjusting mode to reach wanting for braking
Ask.Hydraulic station uses electrical-liquid control, and the braking moment of brake can need to be adjusted automatically, realizes good according to operating mode
Good controllable braking；Pump motor 13.2 uses model YBK2112M-4 4KW 660/1140dI pump motor；YBK2112M-4
Model is referred to, 4KW refers to power of motor, and 660/114dI refers to voltage class；
For hydraulic station 13 using double loop hydraulic station, double loop hydraulic station includes loop switch control valve.Double loop refers to
Same hydraulic control system design two-way, the using and the reserved, double loop hydraulic station improve the reliability of system work, and one with one
It is standby, when being broken down in a loop, another loop works can be switched to by loop switch control valve, greatly reduces and sets
The standby downtime；
First brake lining 12.1 is provided with the first brake lining rivet hole, and the first brake block 11.1 is provided with and the first brake bush
Rivet hole coordinate the first brake shoe rivet hole, the first brake lining 12.1 by with the first brake lining rivet hole and the first brake shoe
The first rivet that rivet hole coordinates is fixed on the first brake shoe 11.1；Second brake lining 12.2 is provided with the second brake lining rivet
Hole, the second brake block 11.2 are provided with the second brake shoe rivet hole coordinated with the second brake lining rivet hole, the second brake lining
12.2 the second rivet by coordinating with the second brake lining rivet hole and the second brake shoe rivet hole is fixed to the second brake shoe 11.2
On.
As shown in Fig. 2 the utility model embodiment 2 provides a kind of hydraulic control drum brake, including brake mount 1, liquid
Pressure station 13 and controller 14；
Brake mount 1 is provided with the first brake arm 2.1 and the second brake arm 2.2, the lower end of the first brake arm 2.1 and braking
Device base 1 is be hinged, and the lower end of the second brake arm 2.2 is be hinged with brake mount 1, and 2.1 are provided with and the first braking on the first brake arm
The first be hinged brake block 11.1 of arm 2.1, the second brake arm 2.2 are provided with the second braking being hinged with the second brake arm 2.2
Brake shoe 11.2, the inner side of the first brake block 11.1 are provided with the first brake lining 12.1 with the riveting of the first brake block 11.1, the
The inner side of two brake block 11.2 is provided with the second brake lining 12.2 with the riveting of the second brake block 11.2；
The upper end of first brake arm 2.1 is provided with oil cylinder 3, and one end of oil cylinder 3 is be hinged by the brake arm 2.1 of rotating shaft 4 and first, oil
Cylinder 3 is provided with into oil discharge outlet 5, and oil cylinder 3 is interior to be provided with piston 6, piston rod 8 and spring 7, and piston 6 connects one end of piston rod 8, living
The other end of stopper rod 8 runs through the other end of oil cylinder 3, and the other end of piston rod 8 is fixed on the upper end of the second brake arm 2.2, spring 7
Around piston rod 8, and spring 7 is arranged on inside oil cylinder 3；The size of brake normal pressure is decided by the effect knot of oil pressure and spring
Fruit；Spring 7 uses disc spring；
Piston rod 8 runs through the upper end of the second brake arm 2.2, and the junction of 8 and second brake arm of piston rod 2.2 is provided with adapter sleeve 9,
The both ends of adapter sleeve 9 are respectively equipped with the first pre-load nut 10.1 and the second pre-load nut 10.2, and piston rod 8 is by adapter sleeve 9 and even
First pre-load nut 10.1 and the second pre-load nut 10.2 at the both ends of female connector 9 are fixed on the upper end of the second brake arm 2.2；
Oil cylinder 3 is connected with oil pipe 15 by entering oil discharge outlet 5, and oil cylinder 3 is connected by oil pipe 15 with hydraulic station 13, hydraulic station 13
Magnetic starter 16 is also associated with, magnetic starter 16 is also associated with main power source 17；Magnetic starter 16 uses flame-proof mine
The magnetic starter of vacuum electromagnetic starter model；Main power source uses 660V or 1140V AC power；
Controller 14 is connected with hydraulic station 13 and magnetic starter 16, and controller 14 is provided with pressure adjustment control button,
Controller 14 is connected by pressure adjustment control button with hydraulic station 13.
Hydraulic station 13 includes electrohydraulic proportional control valve 13.1, pump motor 13.2, fuel tank 13.3；Fuel tank 13.3 connects pump motor
13.2, pump motor 13.2 connects magnetic starter 16 and electrohydraulic proportional control valve 13.1, electrohydraulic proportional control valve 13.1 connect oil
The pressure adjustment button of pipe 15 and controller 14.Electrohydraulic proportional control valve can realize pressure, the stream of oil according to the signal of controller
The control of amount, when pump motor works, pump motor is controlled from fuel tank pressure oil output to electrohydraulic proportional control valve, magnetic starter
Start and stop, meanwhile, magnetic starter exports electric signal to controller, and controller output control signal is to electrohydraulic proportional control valve, electricity
The flow and pressure of liquid proportional control valve control oil, so as to control oil pressure, and then are converted to the mechanical force to oil cylinder inner piston rod
Control, the control to brake torque.During braking, controller controls the pump motor of hydraulic station to stop by magnetic starter
Electricity, controller control electrohydraulic proportional control valve to reduce oil pressure according to predetermined hydraulic auto adjusting mode to reach wanting for braking
Ask.Hydraulic station uses electrical-liquid control, and the braking moment of brake can need to be adjusted automatically, realizes good according to operating mode
Good controllable braking；Pump motor 13.2 uses model YBK2112M-4 4KW 660/1140dI pump motor；YBK2112M-4
Model is referred to, 4KW refers to power of motor, and 660/114dI refers to voltage class；
For hydraulic station 13 using double loop hydraulic station, double loop hydraulic station includes loop switch control valve.Double loop refers to
Same hydraulic control system design two-way, the using and the reserved, double loop hydraulic station improve the reliability of system work, and one with one
It is standby, when being broken down in a loop, another loop works can be switched to by loop switch control valve, greatly reduces and sets
The standby downtime；
First brake lining 12.1 is provided with the first brake lining rivet hole, and the first brake block 11.1 is provided with and the first brake bush
Rivet hole coordinate the first brake shoe rivet hole, the first brake lining 12.1 by with the first brake lining rivet hole and the first brake shoe
The first rivet that rivet hole coordinates is fixed on the first brake shoe 11.1；Second brake lining 12.2 is provided with the second brake lining rivet
Hole, the second brake block 11.2 are provided with the second brake shoe rivet hole coordinated with the second brake lining rivet hole, the second brake lining
12.2 the second rivet by coordinating with the second brake lining rivet hole and the second brake shoe rivet hole is fixed to the second brake shoe 11.2
On；
Brake mount 1 is provided with stopping means, and stopping means includes being arranged on first limit in the outside of the first brake arm 2.1
Position plate 18.1 and the second limiting plate 18.2 for being arranged on the outside of the second brake arm 2.2, the first limiting plate 18.1 are provided with the first spiral shell
Pit and with the first screwed hole coordinate the first bolt 19.1, the second limiting plate 18.2 be provided with the second screwed hole and with the second spiral shell
The second bolt 19.2 that pit coordinates；Stopping means can limit the stroke of the first brake arm 2.1 and the second brake arm 2.2.
Embodiment of the present utility model is illustrative and not restrictive, and above-described embodiment is only to aid in understanding this reality
With new, therefore the utility model is not limited to the embodiment described in embodiment, every by those skilled in the art's root
The other embodiments drawn according to the technical solution of the utility model, also belong to the scope of the utility model protection.
Claims (6)
1. a kind of hydraulic control drum brake, it is characterised in that including brake mount, hydraulic station and controller；
Brake mount is provided with the first brake arm and the second brake arm, and the first brake arm lower end is hinged with brake mount, the
Two brake arm lower ends are hinged with brake mount, and the first brake arm is provided with the first brake block being hinged with the first brake arm,
Second brake arm is provided with the second brake block being hinged with the second brake arm, is provided with the inside of the first brake block and the first braking
First brake lining of brake shoe riveting, the second brake block inner side are provided with the second brake lining with the riveting of the second brake block；
First brake arm upper end is provided with oil cylinder, and one end of oil cylinder is hinged by rotating shaft and the first brake arm, and oil cylinder is provided with into row
Hydraulic fluid port, oil cylinder is interior to be provided with piston, piston rod and spring, and piston connects one end of piston rod, and the other end of piston rod runs through oil cylinder
The other end, and the other end of piston rod is fixed on the second brake arm upper end, and ring spring is around piston rod, and spring is arranged on oil cylinder
It is internal；
Piston rod runs through the second brake arm upper end, and piston rod and the second brake arm junction are provided with adapter sleeve, adapter sleeve both ends point
Not She You the first pre-load nut and the second pre-load nut, piston rod by adapter sleeve and first pre-load nut at adapter sleeve both ends and
Second pre-load nut is fixed on the second brake arm upper end；
Oil cylinder is connected with oil pipe by entering oil discharge outlet, and oil cylinder is connected by oil pipe with hydraulic station, and hydraulic station is also associated with magnetic force and opened
Dynamic device, magnetic starter are also associated with main power source；
Controller is connected with hydraulic station and magnetic starter, and controller is provided with pressure adjustment control button, and controller passes through pressure
Power adjustment control button is connected with hydraulic station；
Hydraulic station includes electrohydraulic proportional control valve, pump motor, fuel tank；Fuel tank connects pump motor, pump motor connection magnetic starter
And electrohydraulic proportional control valve, the pressure adjustment button of electrohydraulic proportional control valve connected pipes and controller；
Hydraulic station uses double loop hydraulic station, and double loop hydraulic station includes loop switch control valve；
Brake mount is provided with stopping means, and stopping means includes the first limiting plate being arranged on the outside of the first brake arm and set
The second limiting plate on the outside of the second brake arm is put, what the first limiting plate coordinated provided with the first screwed hole and with the first screwed hole
First bolt, the second limiting plate are provided with the second screwed hole and the second bolt coordinated with the second screwed hole.
2. a kind of hydraulic control drum brake as claimed in claim 1, it is characterised in that magnetic starter uses flame-proof mine
The magnetic starter of vacuum electromagnetic starter model.
3. a kind of hydraulic control drum brake as claimed in claim 1, it is characterised in that the first brake lining is provided with the first lock
Rivet hole is served as a contrast, the first brake block is provided with the first brake shoe rivet hole coordinated with the first brake lining rivet hole, the first brake lining
It is fixed to by the first rivet coordinated with the first brake lining rivet hole and the first brake shoe rivet hole on the first brake shoe；Second system
Dynamic brake bush is provided with the second brake lining rivet hole, and the second brake block is provided with the second brake shoe riveting coordinated with the second brake lining rivet hole
Nail, the second brake lining are fixed to by the second rivet coordinated with the second brake lining rivet hole and the second brake shoe rivet hole
On second brake shoe.
4. a kind of hydraulic control drum brake as claimed in claim 1, it is characterised in that spring uses disc spring.
A kind of 5. hydraulic control drum brake as claimed in claim 1, it is characterised in that the main power source using 660V or
1140V AC power.
6. a kind of hydraulic control drum brake as claimed in claim 1, it is characterised in that pump motor uses model
YBK2112M-4 4KW 660/1140dI pump motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720836458.XU CN207111762U (en) | 2017-07-11 | 2017-07-11 | A kind of hydraulic control drum brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720836458.XU CN207111762U (en) | 2017-07-11 | 2017-07-11 | A kind of hydraulic control drum brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207111762U true CN207111762U (en) | 2018-03-16 |
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ID=61575692
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720836458.XU Active CN207111762U (en) | 2017-07-11 | 2017-07-11 | A kind of hydraulic control drum brake |
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| CN (1) | CN207111762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110763486A (en) * | 2019-11-08 | 2020-02-07 | 吉林大学 | Rotational inertia simulation device with load |
-
2017
- 2017-07-11 CN CN201720836458.XU patent/CN207111762U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110763486A (en) * | 2019-11-08 | 2020-02-07 | 吉林大学 | Rotational inertia simulation device with load |
| CN110763486B (en) * | 2019-11-08 | 2021-07-02 | 吉林大学 | Rotational inertia simulation device with load |
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