CN202707687U - Proportional speed regulation experimental system for air motor - Google Patents
Proportional speed regulation experimental system for air motor Download PDFInfo
- Publication number
- CN202707687U CN202707687U CN 201220364146 CN201220364146U CN202707687U CN 202707687 U CN202707687 U CN 202707687U CN 201220364146 CN201220364146 CN 201220364146 CN 201220364146 U CN201220364146 U CN 201220364146U CN 202707687 U CN202707687 U CN 202707687U
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- friction wheel
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- proportional pressure
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- 230000033228 biological regulation Effects 0.000 title abstract description 7
- 239000007789 gas Substances 0.000 claims description 51
- 239000012159 carrier gas Substances 0.000 claims description 8
- 230000007423 decrease Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model discloses a proportional speed regulation experimental system for an air motor, comprising an air source, wherein a first gate valve is respectively connected with a first two-position three-way solenoid valve and a second two-position three-way solenoid valve, the first two-position three-way solenoid valve is sequentially connected with a first pneumatic proportional reducing valve and a first shuttle valve, the second two-position three-way solenoid valve is sequentially connected with a second pneumatic proportional reducing valve and a second shuttle valve, the first shuttle valve and the second shuttle valve are connected with a first air motor, and a rotational speed and torque sensor is mounted on the output shaft of the first air motor; a first reducing valve is sequentially connected with a flow rate valve and a reversing valve, the two ends of the reversing valve are respectively connected with a second air motor, a first friction wheel is mounted on the output shaft of the second air motor, the first friction wheel is in linkage connection with an inertia friction wheel, a loading wheel and a loading friction shoe in sequence, the inertia friction wheel is mounted on the output shaft of the first air motor, and a loading air cylinder is connected with a two-position three-way hand-operated reversing valve and a second reducing valve in sequence. The proportional speed regulation experimental system effectively realizes speed regulation and carries out various loading experiments flexibly.
Description
Technical field
The utility model relates to gas motor Speed Regulation Experiment System.
Background technique
The working medium of pneumatic motor is pressurized air, and the variation of pressure can exert an influence to its performance characteristic.When input air pressure was constant, its rotating speed, torque, power all changed with outer load variations, and this software feature is the maximum characteristics of pneumatic motor, were difficult to realize by regulating the hydraulicdriven mode of speed regulation such as input flow rate or variable the accurate speed governing of pneumatic motor.At present, many engineer equipments adopt pneumatic motor to drive, and all be to adopt machinery type that the driven object of pneumatic motor is carried out speed governing, rather than the gas motor is carried out speed governing.
Summary of the invention
In order to overcome can't effectively realizing speed governing, can't carrying out the deficiency of load test of existing gas motor Speed Regulation Experiment System, the utility model provides a kind of effective realization speed governing, carries out the gas motor proportionality velocity modulation experimental system of various loading experiments neatly.
The technological scheme that its technical problem that solves the utility model adopts is:
A kind of gas motor proportionality velocity modulation experimental system, comprise source of the gas, described source of the gas respectively with the first gate valve be connected gate valve and be connected, described the first gate valve respectively with the first two-bit triplet solenoid valve be connected the two-bit triplet solenoid valve and be connected, described the first two-bit triplet solenoid valve is connected with the first pneumatic proportional pressure-reducing valve, described the first pneumatic proportional pressure-reducing valve is connected with the first shuttle valve, described the second two-bit triplet solenoid valve is connected with the second pneumatic proportional pressure-reducing valve, described the second pneumatic proportional pressure-reducing valve is connected with the second shuttle valve, described the first shuttle valve be connected shuttle valve and all be connected with the first gas motor, on the output shaft of described the first gas motor torque and speed sensors is installed, described torque and speed sensors is connected with controller, described controller all with the first pneumatic proportional pressure-reducing valve, the second pneumatic proportional pressure-reducing valve connects;
Described the second gate valve while and the first reduction valve, the second reduction valve connects, described the first reduction valve is connected with Flow valve, described Flow valve is connected with selector valve, the two ends of described selector valve are connected with the second gas motor respectively, the first friction wheel is installed on the output shaft of described the second gas motor, described the first friction wheel cooperates with the inertia friction wheel, described inertia friction wheel and the interlock of loading wheel, and described inertia friction wheel is installed on the output shaft of described the first gas motor, described loading wheel connects with loading friction tile, described loading friction tile with add the carrier gas cylinder interlock, the described carrier gas cylinder that adds is connected with the two-bit triplet hand-operated direction valve, and described two-bit triplet hand-operated direction valve is connected with described the second reduction valve.
" connection " of the present utility model refers to the gas circuit annexation, for example " described source of the gas is connected with the first gate valve, the second gate valve respectively " refer on gas circuit, the first steam outlet pipe and the second steam outlet pipe are set on the source of the gas, on described the first steam outlet pipe the first gate valve is set, the second gate valve is set on the second steam outlet pipe.
The beneficial effects of the utility model are mainly manifested in: effectively realize speed governing, carry out various loading experiments neatly.
Description of drawings
Fig. 1 is the gas circuit schematic diagram of gas motor proportionality velocity modulation experimental system.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
With reference to Fig. 1, a kind of gas motor proportionality velocity modulation experimental system, comprise source of the gas 1, described source of the gas 1 respectively with the first gate valve 2 be connected gate valve 14 and be connected, described the first gate valve 2 respectively with the first two-bit triplet solenoid valve 3 be connected two-bit triplet solenoid valve 6 and be connected, described the first two-bit triplet solenoid valve 3 is connected with the first pneumatic proportional pressure-reducing valve 4, described the first pneumatic proportional pressure-reducing valve 5 is connected with the first shuttle valve 5, described the second two-bit triplet solenoid valve 6 is connected with the second pneumatic proportional pressure-reducing valve 7, described the second pneumatic proportional pressure-reducing valve 7 is connected with the second shuttle valve 8, described the first shuttle valve 5 be connected shuttle valve 8 and all be connected with the first gas motor 9, torque and speed sensors 10 is installed on the output shaft of described the first gas motor 9, described torque and speed sensors 10 is connected with controller 13, described controller 13 all with the first pneumatic proportional pressure-reducing valve 4, the second pneumatic proportional pressure-reducing valve 7 connects;
Described 14 whiles and the first reduction valve 19 of the second gate valve, the second reduction valve 20 connects, described the first reduction valve 19 is connected with Flow valve 18, described Flow valve 18 is connected with selector valve 17, the two ends of described selector valve 17 are connected with the second gas motor 16 respectively, the first friction wheel 15 is installed on the output shaft of described the second gas motor 16, described the first friction wheel 15 cooperates with inertia friction wheel 11, described inertia friction wheel 11 and 12 interlocks of loading wheel, and described inertia friction wheel 11 is installed on the output shaft of described the first gas motor 9, described loading wheel 12 connects with loading friction tile 23, described loading friction tile 23 with add carrier gas cylinder 22 interlocks, the described carrier gas cylinder 22 that adds is connected with two-bit triplet hand-operated direction valve 21, and described two-bit triplet hand-operated direction valve 21 is connected with described the second reduction valve 20.
The first, carry out motor and drive the load experiment:
(1) loading of load resistance square:
The second gate valve 14 is opened.When 21 conducting of two-bit triplet manually operated valve, add carrier gas cylinder 22 piston rods and stretch out loading friction tile 23 is pressed in and load on the wheel 12, regulate reduction valve 20, add pressure changes in the carrier gas cylinder 22 by change and act on and load the upper resisting moment of wheel.Inertia friction wheel 11 is fixed together with loading wheel 12, thereby realizes the first gas motor 9(MD1) load.
(2) motor speed governing:
The first gate valve 2 is opened.When the first two-bit triplet solenoid valve 3 when electric, pressurized air enters the first gas motor 9(MD1 through the first pneumatic proportional pressure-reducing valve 4, the first shuttle valve 5) lower suction port, the gas motor drives the load forward rotation, gas is discharged through the second shuttle valve 8.During speed governing, control the first pneumatic proportional pressure-reducing valve 4, its P2 mouth pressure reduced, the first gas motor 9(MD1) output speed decline.
The first gate valve 2 is opened.When the second two-bit triplet solenoid valve 6 when electric, pressurized air enters the first gas motor 9(MD1 through the second pneumatic proportional pressure-reducing valve 7, the second shuttle valve 8) enterprising gas port, the first gas motor 9 drives laod reversals and rotates, gas is discharged through the first shuttle valve 5.During speed governing, control the second pneumatic proportional pressure-reducing valve 7, its P2 mouth pressure reduced, the first gas motor 9(MD1) output speed decline.
The second, surmount load band revolution experiment
(1) surmount the loading of load:
The second gate valve 14 is opened.When 21 left of three position four-way directional control valves, the second gas motor 16(MD2) drive the first friction wheel 15 and rotate, the first friction wheel 15 drives again inertia friction wheel 11, thereby forces the first gas motor 9(MD1) forward rotation.Adjust flux valve 18 can change the rotating speed that surmounts load.
(2) motor speed governing:
The first gate valve 2 is opened.When the second two-bit triplet solenoid valve 6 when electric, pressurized air enters the first gas motor 9(MD1 through the second pneumatic proportional pressure-reducing valve 7, the second shuttle valve 8) enterprising gas port.Control the second pneumatic proportional pressure-reducing valve 7, its P2 mouth pressure is increased, then the first gas motor (MD1) forward rotation speed reduces.By increasing the back pressure of motor, reach balance portion and surmount load torque, realize the purpose of control motor rotary speed.
Claims (1)
1. gas motor proportionality velocity modulation experimental system, it is characterized in that: described gas motor proportionality velocity modulation experimental system comprises source of the gas, described source of the gas respectively with the first gate valve be connected gate valve and be connected, described the first gate valve respectively with the first two-bit triplet solenoid valve be connected the two-bit triplet solenoid valve and be connected, described the first two-bit triplet solenoid valve is connected with the first pneumatic proportional pressure-reducing valve, described the first pneumatic proportional pressure-reducing valve is connected with the first shuttle valve, described the second two-bit triplet solenoid valve is connected with the second pneumatic proportional pressure-reducing valve, described the second pneumatic proportional pressure-reducing valve is connected with the second shuttle valve, described the first shuttle valve be connected shuttle valve and all be connected with the first gas motor, on the output shaft of described the first gas motor torque and speed sensors is installed, described torque and speed sensors is connected with controller, described controller all with the first pneumatic proportional pressure-reducing valve, the second pneumatic proportional pressure-reducing valve connects;
Described the second gate valve while and the first reduction valve, the second reduction valve connects, described the first reduction valve is connected with Flow valve, described Flow valve is connected with selector valve, the two ends of described selector valve are connected with the second gas motor respectively, the first friction wheel is installed on the output shaft of described the second gas motor, described the first friction wheel cooperates with the inertia friction wheel, described inertia friction wheel and the interlock of loading wheel, and described inertia friction wheel is installed on the output shaft of described the first gas motor, described loading wheel connects with loading friction tile, described loading friction tile with add the carrier gas cylinder interlock, the described carrier gas cylinder that adds is connected with the two-bit triplet hand-operated direction valve, and described two-bit triplet hand-operated direction valve is connected with described the second reduction valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220364146 CN202707687U (en) | 2012-07-25 | 2012-07-25 | Proportional speed regulation experimental system for air motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220364146 CN202707687U (en) | 2012-07-25 | 2012-07-25 | Proportional speed regulation experimental system for air motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202707687U true CN202707687U (en) | 2013-01-30 |
Family
ID=47587994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220364146 Expired - Lifetime CN202707687U (en) | 2012-07-25 | 2012-07-25 | Proportional speed regulation experimental system for air motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202707687U (en) |
-
2012
- 2012-07-25 CN CN 201220364146 patent/CN202707687U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130130 Effective date of abandoning: 20150128 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130130 Effective date of abandoning: 20150128 |
|
| RGAV | Abandon patent right to avoid regrant |