CN201729047U - Hydraulic air conditioner with pressure regulating device for hydraulic engineering truck - Google Patents
Hydraulic air conditioner with pressure regulating device for hydraulic engineering truck Download PDFInfo
- Publication number
- CN201729047U CN201729047U CN2010202626784U CN201020262678U CN201729047U CN 201729047 U CN201729047 U CN 201729047U CN 2010202626784 U CN2010202626784 U CN 2010202626784U CN 201020262678 U CN201020262678 U CN 201020262678U CN 201729047 U CN201729047 U CN 201729047U
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- CN
- China
- Prior art keywords
- hydraulic
- oil
- pressure
- regulator
- hydraulic motor
- 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.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00421—Driving arrangements for parts of a vehicle air-conditioning
- B60H1/00435—Driving arrangements for parts of a vehicle air-conditioning fluid or pneumatic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3222—Cooling devices using compression characterised by the compressor driving arrangements, e.g. clutches, transmissions or multiple drives
Abstract
The utility model discloses a hydraulic air conditioner with a pressure regulating device for a hydraulic engineering truck, which comprises a pressure regulation driving system and a refrigerating system. The pressure regulation driving system comprises a pressure regulating device and a hydraulic motor. The pressure regulating device is arranged in front of the hydraulic inlet of the hydraulic motor. An oil inlet of the pressure regulating device is communicated with a hydraulic output pipe of the hydraulic equipment of the hydraulic engineering truck. An oil outlet of the pressure regulating device is communicated with oil inlet of the hydraulic motor. The hydraulic air conditioner utilizes the pressure regulating device to control the hydraulic pressure within specified range and drive the hydraulic motor to drive a refrigerator to generate cold air, guarantees the stability of the hydraulic motor during working, improves the working efficiency of the hydraulic motor, and overcomes the defects in prior art that the working stability of a hydraulic pump of the hydraulic engineering truck and the working efficiency of the hydraulic motor are influenced, because the output hydraulic pressure of the hydraulic equipment of the hydraulic engineering truck is unstable.
Description
Technical field
The utility model relates to the hydraulic engineering auto air-con, the hydraulic pressure A/C of the automobile-used band regulator of particularly a kind of hydraulic engineering.
Background technology
The automobile-used conditioning units of hydraulic engineering such as hoisting crane, grab excavator are to adopt the driven by power refrigerator at present, are blown into the temperature that cold wind is regulated air in operator's compartment.The shortcoming of the power-actuated refrigerator of above-mentioned employing is: not only consumed power is more, and because the operator's compartment of hydraulic engineering cars such as hoisting crane, grab excavator must gyrate direction is operated, can cause the electric power circuit that drives refrigerator and system warmer to damage.Shortcoming at above-mentioned employing driven by power refrigerator, Chinese patent Granted publication CN201371118Y, name is called the disclosed technical scheme of utility model patent of " a kind of construction machinery and equipment hydraulic-driven interior environment system ", adopts the hydraulic-driven refrigerator to replace the driven by power refrigerator.Above-mentioned a kind of construction machinery and equipment is there is not the hydraulic pressure mediation function in this device with the shortcoming of hydraulic-driven interior environment system.Owing to the hydraulic pressure instability that the hydraulic efficiency equipment of hydraulic engineering car is exported at work, directly influence the stability of the hydraulic pump works of the automobile-used conditioning unit of hydraulic engineering, unsettled hydraulic pressure input hydraulic pressure motor influences the work efficiency of HM Hydraulic Motor.
Summary of the invention
The purpose of this utility model is to adopt the shortcoming of driven by power refrigerator at the automobile-used conditioning unit of hydraulic engineerings such as above-mentioned hoisting crane, grab excavator, and above-mentioned a kind of construction machinery and equipment is developed the hydraulic pressure A/C of the automobile-used band regulator of a kind of hydraulic engineering with the shortcoming that does not have the hydraulic pressure mediation function in the hydraulic-driven interior environment system.Utilize the existing hydraulic equipment of hydraulic engineering car, draw a hydraulic pipe, drive HM Hydraulic Motor within the limits prescribed through the regulator modulated pressure and drive the refrigerator refrigeration, ensure the HM Hydraulic Motor work safety.
The purpose of this utility model is achieved in that
The hydraulic pressure A/C of the automobile-used band regulator of hydraulic engineering is made up of pressure regulation drive system and refrigeration system.
The pressure regulation drive system is made up of regulator and HM Hydraulic Motor.Regulator is a key equipment, when the hydraulic pressure of the hydraulic equipment of hydraulic engineering car output is higher than 5MPa, exceeds the safe working pressure of HM Hydraulic Motor; When the hydraulic pressure of the hydraulic equipment of hydraulic engineering car output was lower than 3MPa, HM Hydraulic Motor stopped normal operation.So, must before the hydraulic inlet of HM Hydraulic Motor, be provided with regulator.Regulator is made up of oil inlet, oil outlet, pressure regulation oil circuit, flow check piston, check valve and check valve pressure spring.Side at regulator is provided with oil inlet, and oil inlet is communicated with oil suction chamber, and the sidewall of oil suction chamber is provided with a L shaped pressure regulation oil circuit, and the other end of pressure regulation oil circuit is communicated with the end of plunger shaft.The middle part of plunger shaft is provided with flow check piston, and flow check piston can vertically move in plunger shaft inside.The other end of flow check piston passes plunger shaft, enters the afterbody of oil suction chamber.The afterbody port of oil suction chamber is provided with a check valve.The endoporus of check valve is provided with the check valve pressure spring.Check valve can go out in the oil pocket to vertically move under oil pressure control.The oil inlet of regulator is communicated with a hydraulic pressure delivery pipe of hydraulic engineering car hydraulic equipment, and the oil outlet of regulator is communicated with the oil inlet of HM Hydraulic Motor.HM Hydraulic Motor is selected existing installation for use.
The utility model can be set up the system heating system, and the system heating system adopts prior art and equipment.
Refrigeration system adopts prior art, is made up of existing installations such as air compressor, condenser, air conditioning liquid reservoir, evaporator compressors.HM Hydraulic Motor is connected by elastic coupling with air compressor.
The utility model principle of work is: the hydraulic pressure of hydraulic engineering car hydraulic equipment output is the hydraulic oil of 3MPa-5MPa, enter oil suction chamber from the oil inlet of regulator, some hydraulic oil enters the pressure regulation oil circuit from the sidewall of oil suction chamber, presses to flow check piston from the other end of pressure regulation oil circuit.Promoting flow check piston moves forward in plunger shaft, the promotion check valve moves forward, hydraulic oil enters out oil pocket from the check valve of breakdown, enter HM Hydraulic Motor from oil outlet, drive HM Hydraulic Motor with 600-3000 rev/min rotational speed, HM Hydraulic Motor drives air compressor by elastic coupling and rotates synchronously.Refrigerant in the air compressor compressed after form the refrigerating cycle operation through existing installations such as condenser, air conditioning liquid reservoir, evaporator compressors.When the hydraulic pressure of the hydraulic equipment of hydraulic engineering car output is higher than 5MPa or when being lower than 3MPa, adjust the miles of relative movement of the flow check piston of regulator, throttling modulated pressure oil between 3MPa-5MPa, ensures the HM Hydraulic Motor normal operation at the stability hydraulic that goes out oil pocket.
The utility model realizes utilizing the hydraulic tubing of the existing hydraulic equipment of hydraulic engineering car, drive HM Hydraulic Motor within the limits prescribed through the regulator modulated pressure and drive the refrigerator refrigeration, ensure the HM Hydraulic Motor working stability, improved the work efficiency of HM Hydraulic Motor.Overcome the hydraulic pressure instability of exporting at work owing to the hydraulic efficiency equipment of hydraulic engineering car, directly influenced the stability of the hydraulic pump works of the automobile-used conditioning unit of hydraulic engineering, unsettled hydraulic pressure input hydraulic pressure motor influences the shortcoming of HM Hydraulic Motor work efficiency.
Description of drawings
Fig. 1 is each system's bonded assembly scheme drawing of the utility model;
Fig. 2 is the utility model regulator cross-sectional view.
Among the figure: 1, HM Hydraulic Motor, 2, elastic coupling, 3, air compressor, 4, condenser, 5, air conditioning liquid reservoir, 6, evaporator, 7, system heating system, 11, regulator, 12, oil inlet, 13, oil outlet, 14, the pressure regulation oil circuit, 15, flow check piston, 16, check valve, 17, the check valve pressure spring, 18, oil suction chamber, 19, go out oil pocket, 20, plunger shaft.
The specific embodiment
In conjunction with the accompanying drawings and embodiments, describe structure of the present utility model in detail.
Embodiment:
As shown in Figure 1 and Figure 2, the hydraulic pressure A/C of the automobile-used band regulator of hydraulic engineering is made up of pressure regulation drive system and refrigeration system.
The pressure regulation drive system is made up of regulator 11 and HM Hydraulic Motor 1.Before the hydraulic inlet of HM Hydraulic Motor 1, be provided with regulator 11.Regulator 11 is made up of oil inlet 12, oil outlet 13, pressure regulation oil circuit 14, flow check piston 15, check valve 16 and check valve pressure spring 17.Side at regulator 11 is provided with oil inlet 12, and oil inlet 12 is communicated with oil suction chamber 18, and the sidewall of oil suction chamber 18 is provided with a L shaped pressure regulation oil circuit 14, and the other end of pressure regulation oil circuit 14 is communicated with the end of plunger shaft 20.The middle part of plunger shaft 20 is provided with flow check piston 15, and flow check piston 15 can vertically move in plunger shaft 20 inside.The other end of flow check piston 15 passes plunger shaft 20, enters the afterbody of oil suction chamber 18.The afterbody port of oil suction chamber 18 is provided with a check valve 16.The endoporus of check valve 16 is provided with check valve pressure spring 17.Check valve 16 can go out in the oil pocket 19 to vertically move under oil pressure control.The oil inlet 12 of regulator 11 is communicated with a hydraulic pressure delivery pipe of hydraulic engineering car hydraulic equipment, and the oil outlet 13 of regulator 11 is communicated with the oil inlet of HM Hydraulic Motor 1.HM Hydraulic Motor 1 is selected existing installation for use.
Refrigeration system adopts prior art, is made up of existing installations such as air compressor 3, condenser 4, air conditioning liquid reservoir 5, evaporator compressors 6.HM Hydraulic Motor 1 is connected by elastic coupling 2 with air compressor 3.
The utility model is set up system heating system 7, and system heating system 7 adopts prior art and equipment.
Claims (1)
1. the hydraulic pressure A/C of the automobile-used band regulator of hydraulic engineering, form by pressure regulation drive system and refrigeration system, it is characterized in that: the pressure regulation drive system is made up of regulator (11) and HM Hydraulic Motor (1), before the hydraulic inlet of HM Hydraulic Motor (1), be provided with regulator (11), regulator (11) is by oil inlet (12), oil outlet (13), pressure regulation oil circuit (14), flow check piston (15), check valve (16) and check valve pressure spring (17) are formed, side at regulator (11) is provided with oil inlet (12), oil inlet (12) is communicated with oil suction chamber (18), the sidewall of oil suction chamber (18) is provided with a L shaped pressure regulation oil circuit (14), the other end of pressure regulation oil circuit (14) is communicated with the end of plunger shaft (20), the middle part of plunger shaft (20) is provided with flow check piston (15), the other end of flow check piston (15) passes plunger shaft (20), enter the afterbody of oil suction chamber (18), the afterbody port of oil suction chamber (18) is provided with a check valve (16), the endoporus of check valve (16) is provided with check valve pressure spring (17), the oil inlet (12) of regulator (11) is communicated with a hydraulic pressure delivery pipe of hydraulic engineering car hydraulic equipment, and the oil outlet (13) of regulator (11) is communicated with the oil inlet of HM Hydraulic Motor (1); Refrigeration system is made up of air compressor (3), condenser (4), air conditioning liquid reservoir (5), evaporator compressor (6); HM Hydraulic Motor (1) is connected by elastic coupling (2) with air compressor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202626784U CN201729047U (en) | 2010-07-08 | 2010-07-08 | Hydraulic air conditioner with pressure regulating device for hydraulic engineering truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202626784U CN201729047U (en) | 2010-07-08 | 2010-07-08 | Hydraulic air conditioner with pressure regulating device for hydraulic engineering truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201729047U true CN201729047U (en) | 2011-02-02 |
Family
ID=43520206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202626784U Expired - Fee Related CN201729047U (en) | 2010-07-08 | 2010-07-08 | Hydraulic air conditioner with pressure regulating device for hydraulic engineering truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201729047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104786780A (en) * | 2015-05-19 | 2015-07-22 | 安徽柳工起重机有限公司 | Automobile crane air conditioning system |
-
2010
- 2010-07-08 CN CN2010202626784U patent/CN201729047U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104786780A (en) * | 2015-05-19 | 2015-07-22 | 安徽柳工起重机有限公司 | Automobile crane air conditioning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20130708 |