CN106006387B - A kind of air-conditioning rotary system and the engineering machinery with it - Google Patents
A kind of air-conditioning rotary system and the engineering machinery with it Download PDFInfo
- Publication number
- CN106006387B CN106006387B CN201610307487.7A CN201610307487A CN106006387B CN 106006387 B CN106006387 B CN 106006387B CN 201610307487 A CN201610307487 A CN 201610307487A CN 106006387 B CN106006387 B CN 106006387B
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- China
- Prior art keywords
- air
- conditioning
- control
- slewing equipment
- valve
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/20—Control systems or devices for non-electric drives
-
- 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
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
Abstract
The invention discloses a kind of air-conditioning rotary system and the engineering machinery with it.The air-conditioning rotary system includes：Slewing equipment, it includes rotary fluid motor (7)；Air-conditioning device (4)；It includes air-conditioning hydraulic motor (41), wherein, the air-conditioning hydraulic motor (41) is driven with the rotary fluid motor (7) by same hydraulic power source, and control device, the control device causes slewing equipment alternatively to be worked with air-conditioning device, and slewing equipment has higher priority level；Or the control device causes in the case where slewing equipment works, do not allow the working condition for changing air-conditioning device.The air-conditioning rotary system of the present invention is provided with control device, when the slewing equipment is in running order, prevents the air-conditioning device switching open/close states, so as to effectively prevent slewing equipment in turning course because starting of air conditioner is with closing the jitter problem caused.
Description
Technical field
The present invention relates to technical field of engineering machinery, more particularly to a kind of air-conditioning rotary system and the engineering machine with it
Tool.
Background technology
Air-conditioning device and the common apparatus that slewing equipment is in engineering machinery.Air-conditioning device is used to carry out air adjustment, especially
It is adjusted for the air themperature to driver's cabin.Slewing equipment is used to drive the panoramic table being arranged on chassis
It is dynamic, to control the rotation of panoramic table.In the engineering machinery of part, air-conditioning device and slewing equipment all use hydraulic power supply conduct
Power source.In the case, air-conditioning device is usually jointly referred to as air-conditioning rotary system with slewing equipment.
In the prior art, air-conditioning rotary system generally has two kinds of structures.In the first structure, air-conditioning device is with returning
Rotary device is arranged in parallel, and is driven by same pump.When slewing equipment works, if air-conditioning device is in the control of temperature detect switch (TDS)
It is lower to open, the gyration of slewing equipment can be impacted, thus cause to produce revolution shaking phenomenon in turning course.
In second of structure, a pump is also provided with to air-conditioning device as power source, to avoid influence of the air-conditioning device to slewing equipment.
Second of structure can be prevented effectively from turning course due to rocking that air-conditioning start and stop are caused, but cost increase is more, and is taken
Space is big, arrangement inconvenience.
Thus, it is desirable to have a kind of technical scheme come overcome or at least mitigate prior art drawbacks described above at least one
It is individual.
The content of the invention
Lack it is an object of the invention to provide a kind of air-conditioning rotary system to overcome or at least mitigate the above-mentioned of prior art
Fall at least one.
To achieve the above object, the present invention provides a kind of air-conditioning rotary system, and the air-conditioning rotary system includes：
Slewing equipment, it includes rotary fluid motor；
Air-conditioning device；It includes air-conditioning hydraulic motor, wherein, the air-conditioning hydraulic motor and the rotary fluid motor by
Same hydraulic power source driving,
Control device, the control device prevents the air-conditioning device from cutting when the slewing equipment is in running order
Open/close states are changed, wherein, the control device causes slewing equipment alternatively to be worked with air-conditioning device, and slewing equipment has
There is higher priority level；Or the control device causes in the case where slewing equipment works, do not allow to change air-conditioning dress
The working condition put.The air-conditioning device switching open/close states are prevented to refer to prevent the air-conditioning device switch operating state, i.e.,
Prevent air-conditioning device from switching to opening from closed mode, and prevent air-conditioning device from switching to closing shape from opening
State.
Preferably, the air-conditioning rotary system further comprises airconditioning control valve, and the airconditioning control valve has the first work
Make position and the second operating position,
In first operating position, the airconditioning control valve is driven air-conditioning hydraulic motor access by the hydraulic power source
Dynamic hydraulic circuit；
In second operating position, the airconditioning control valve causes the air-conditioning hydraulic motor not access by the hydraulic pressure
The hydraulic circuit of source driving.
Preferably, the airconditioning control valve is magnetic valve, and in second operating position under power failure state.More have
Profit, the control device controls the airconditioning control valve according to the state of the slewing equipment.For example, in the revolution
When device is in running order, the airconditioning control valve is arranged on the second operating position；Non- work is in the slewing equipment
When making state, the airconditioning control valve is arranged on the first operating position.
Preferably, the air-conditioning rotary system further comprises：
Pressure switch, it detects the driving pressure of the rotary fluid motor, and testing result is delivered into the control
Device, the control device judges the working condition of the slewing equipment based on the testing result.
Preferably, the testing result that the pressure switch is delivered to the control device is electric signal.
Preferably, the slewing equipment further comprises：
Brake, it can switch between on-position and release conditions, and in the on-position, it prevents described return
Rotating hydraulic motor is rotated, wherein, the brake is hydraulic control brake, when the pressure of control end is more than or equal to setting value, institute
State brake and switch to release conditions from on-position, it is allowed to which the rotary fluid motor is rotated；
Rotary buffering valve, the rotary buffering valve is arranged between the hydraulic power source and the rotary fluid motor, described
Two actuator ports of rotary buffering valve are connected with two hydraulic fluid ports of the rotary fluid motor respectively；
Rotatary brake valve, it is arranged between the rotary buffering valve and the brake, for according to rotary buffering valve
Two actuator ports pressure differential, control pressure is applied to the control end of the brake,
Wherein, the pressure switch detects the control pressure of the control end of the brake.
Preferably, the control device is the control unit of chip form, described control unit and temperature sensor, pressure
Switch electrical connection, and the signal fed back according to the temperature sensor and pressure switch, to control the airconditioning control valve.
The present invention also provides a kind of engineering machinery, and the engineering machinery includes air-conditioning rotary system as described above.
Preferably, the engineering machinery is wheeled crane.
The present invention air-conditioning rotary system drive air-conditioning device and slewing equipment using a hydraulic power source so that with compared with
Low cost and less required installing space；Meanwhile, control device is set, when the slewing equipment is in running order,
Prevent air-conditioning device switching open/close states, thus effectively prevent slewing equipment in turning course due to starting of air conditioner with
Close the jitter problem caused.
Brief description of the drawings
Fig. 1 is the schematic block diagram of air-conditioning rotary system according to an embodiment of the invention.
Fig. 2 is the electrical schematic diagram of the Air-Conditioning Control Panel of air-conditioning rotary system according to an embodiment of the invention.
Reference：
| 1 | Fuel tank | 9 | Rotatary brake valve |
| 2 | Pump | 10 | Brake |
| 3 | Return filter | 11 | Temperature sensor |
| 4 | Air-conditioning device | 12 | Control unit |
| 5 | Reversing control valve | 13 | Airconditioning control valve |
| 6 | Pressure switch | 14 | Condensation fan |
| 7 | Rotary fluid motor | 41 | Air-conditioning hydraulic motor |
| 8 | Rotary buffering valve |
Embodiment
In the accompanying drawings, same or similar element is represented or with same or like function using same or similar label
Element.
In the description of the invention, term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position
System, is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device or element of meaning must have
Specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limiting the scope of the invention.
Referring to Fig. 1, air-conditioning rotary system according to an embodiment of the invention includes：Slewing equipment；Air-conditioning device 4；And
Control device (referring to Fig. 2 control unit 12).The slewing equipment includes rotary fluid motor 7.The air-conditioning device is liquid
The air-conditioning device of power driving, including air-conditioning hydraulic motor 41.Wherein, air-conditioning hydraulic motor 41 with rotary fluid motor 7 by same
Individual hydraulic power source (being usually the pump 2 in Fig. 1) driving.The control device is prevented when the slewing equipment is in running order
The air-conditioning device switch operating state.
That is, when the slewing equipment is in running order, not allowing air-conditioning device 4 to be switched to from starting state
Closed mode, does not allow air-conditioning device 4 to switch to starting state (also referred to as working condition) from closed mode yet.Advantageously,
When the slewing equipment is in running order, air-conditioning device is not allowed to switch to starting state from closed mode.More favourable
It is only to allow slewing equipment and air-conditioning device to select one operation, and slewing equipment has more preferable priority level.
Preferably, the air-conditioning rotary system further comprises airconditioning control valve 13.So as to by controlling airconditioning control valve
13 control whether air-conditioning device works.Referring to Fig. 1, airconditioning control valve 13 has the first operating position and the second operating position.
In first operating position, the airconditioning control valve accesses the air-conditioning hydraulic motor hydraulic pressure driven by the hydraulic power source
Loop, that is to say, that air-conditioning hydraulic motor is driven by pump.In second operating position, the airconditioning control valve causes described
Air-conditioning hydraulic motor 41 does not access the hydraulic circuit driven by the hydraulic power source, that is to say, that air-conditioning hydraulic motor 41 is not by pump
Driving, in other words, the pressure fluid from pump 2 is not passed through air-conditioning hydraulic motor 41.
Advantageously, airconditioning control valve 13 is magnetic valve, thus control more to facilitate with flexibly.Airconditioning control valve is in dead electricity
Second operating position is under state.It should further be appreciated that the control device is controlled according to the state of the slewing equipment
Make the airconditioning control valve.For example, when the slewing equipment is in running order, the airconditioning control valve is arranged on into second
Operating position；When the slewing equipment is in off working state, the airconditioning control valve is arranged on the first operating position.
It is pointed out that airconditioning control valve 13 can also be pilot operated valve device, for example, airconditioning control valve can be by rotary braking
The output port of valve is controlled.In addition, connection and control mode for air-conditioning hydraulic motor and rotary fluid motor, are not limited to
The embodiment of diagram.In one alternate embodiment, air-conditioning hydraulic motor and rotary fluid motor are connected in parallel between pump and fuel tank,
Control whether air-conditioning hydraulic motor works by a two-way electromagnetic valve being connected with air-conditioning hydraulic motor or two-way pilot operated valve device.
Now, the reversing control valve in Fig. 1 could alternatively be three-position four-way valve.
That is, control device is not limited to the control unit 12 of the chip form shown in Fig. 2.For example, control device is also
Can be the control device of a hydraulic type, or machine control unit.More specifically, in one embodiment, air-conditioning
Control valve 13 is a pilot operated valve device, when the driving pressure to rotary fluid motor 7 is more than setting value, the quilt of rotary fluid motor 7
Driving, now controls airconditioning control valve 3 to be allowed to be locked in the second working condition in fluid power mode.
In a preferred embodiment, the air-conditioning rotary system further comprises pressure switch 6.The pressure switch 6
The driving pressure of the rotary fluid motor 7 is detected, and testing result is delivered to the control device, the control device base
The working condition of the slewing equipment is judged in the testing result.It is understood that being more than setting value in driving pressure
When, it is believed that slewing equipment is in running order.Preferably, the testing result that the pressure switch is delivered to the control device is
Electric signal.
Advantageously, the slewing equipment further comprises brake 10., brake 10 its on-position and can release
Switching between state is put, in the on-position, it prevents the rotary fluid motor 7 from rotating, wherein, the brake 10 is
Hydraulic control brake, when the pressure of control end is more than or equal to setting value, the brake switches to release conditions from on-position,
The rotary fluid motor 7 is allowed to rotate；
Rotary buffering valve 8, the rotary buffering valve 8 is arranged between the hydraulic power source and the rotary fluid motor 7, institute
Two actuator ports for stating rotary buffering valve 8 are connected with two hydraulic fluid ports of the rotary fluid motor 7 respectively；
Rotatary brake valve 9, it is arranged between the rotary buffering valve 8 and the brake 10, for slow according to revolution
The pressure differential of two actuator ports of valve 8 is rushed, the control end to the brake 10 applies control pressure,
Wherein, the pressure switch 6 detects the control pressure of the control end of the brake 10.
Preferably, the control device is the control unit 12 of chip form, described control unit 12 and temperature sensor
11st, pressure switch 6 is electrically connected, and the signal fed back according to the temperature sensor 11 and pressure switch 6, to control the air-conditioning
Control valve 13.So as to which control mode is more flexible, and simple in construction, and it is easy to lay.
Referring to Fig. 2, control device is the control unit 12 of chip form.Control unit 12 and temperature sensor 11, pressure
Switch 6 is electrically connected, and the signal fed back according to the temperature sensor 11 and pressure switch 6, to control the airconditioning control valve
13.It is understood that control unit 12 can also be related to more airconditioning controls device (for example, condensation fan 14 etc.)
Electrical connection, and it is controlled.
The present invention also provides a kind of engineering machinery, and the engineering machinery includes air-conditioning rotary system as described above.
Preferably, the engineering machinery is wheeled crane.
Above-mentioned air-conditioning rotary system drives air-conditioning device and slewing equipment using a hydraulic power source, so that with relatively low
Cost and it is less needed for installing space；Meanwhile, control device is set, when the slewing equipment is in running order, resistance
Only the air-conditioning device switches open/close states, so as to effectively prevent slewing equipment in turning course because starting of air conditioner is with closing
Close the jitter problem caused.As it was previously stated, preventing the air-conditioning device switching open/close states, refer to prevent the air-conditioning device from cutting
Change jobs state, that is, prevents air-conditioning device from switching to opening from closed mode, and prevent air-conditioning device from opening
Switch to closed mode.
The construction and working method of embodiments of the invention are described in more details below in conjunction with the accompanying drawings.
Air-conditioning rotary system shown in Fig. 1 include rotary buffering valve 8, Rotatary brake valve 9, fuel tank 1, pump 2, air-conditioning device 4,
Return filter 3, control reversal valve 5, pressure switch 6 and rotary fluid motor 7.
P be oil inlet, A1, B1 mouthfuls be that brake operation hydraulic fluid port, T are that oil return hydraulic fluid port, L are that leakage hydraulic fluid port, A and B are revolution
The actuator port of trimmer valve 8.
When air-conditioning device works：By fuel tank 1 and the fuel feeding of pump 2, airconditioning control valve 13 obtains electric, the valve element of airconditioning control valve
To moving up, pressure oil is set to pass through air-conditioning hydraulic motor 41, then by being in the control reversal valve 5 and return filter 3 of middle position, most
Fuel tank is returned to eventually, and driving air-conditioning hydraulic motor 41 works.
Under the working condition of air-conditioning device, on the one hand, because control reversal valve 5 is in middle position, pressure oil will not be flowed to
Rotary fluid motor 7, so that slewing equipment does not work.On the other hand, because airconditioning control valve 13 obtains electric, it is in bottom, pressure
Oil flows through air-conditioning hydraulic motor 41, so that air-conditioning device works.
When slewing equipment works：By fuel tank 1 and the fuel feeding of pump 2, airconditioning control valve 13 must not electricity, the valve of airconditioning control valve
Core is to moving down, and oil circuit is directly over airconditioning control valve 13, and is not passed through air-conditioning hydraulic motor 41, so that air-conditioning device 4 does not work.
Pressure oil is by being in upper (such as turning left corresponding to slewing equipment) or the next (such as turning left corresponding to slewing equipment)
Reversal valve 5 is controlled, then passes through after rotary buffering valve 8, Rotatary brake valve 9 and rotary fluid motor 7 oil return of return filter 3
Case, control slewing equipment turns left or right-hand rotation work.
Under the working condition of slewing equipment, on the one hand, because control reversal valve 5 is in upper or bottom, pressure oil stream
To rotary fluid motor 7, so that slewing equipment works.On the other hand, if airconditioning control valve 13 obtains electric, pressure oil flows through sky
Hydraulic motor 41 is adjusted, so that air-conditioning device works；If the dead electricity of airconditioning control valve 13, pressure oil flows through air-conditioning hydraulic motor
41, so that air-conditioning device does not work.Slewing equipment work in the case of, if air-conditioning device working condition change (for example,
Do not run from running to, or never run to operation), in the moment of change, it will all cause the pressure that flows through rotary fluid motor
The pressure jump of power oil, so as to cause the fluctuation of slewing equipment gyration.
In order to avoid the fluctuation, it is advantageous in the state of slewing equipment work, the work of air-conditioning device is not allowed
State changes.An optional embodiment is to cause slewing equipment and air-conditioning device to select one by control device
Ground works, and slewing equipment has higher priority level.In another optional embodiment, caused by control device
In the case where slewing equipment works, do not allow the working condition for changing air-conditioning device.
Pressure oil flow path when below to the left-hand rotation and right-hand rotation of slewing equipment is illustrated.
When controlling reversal valve 5 to be in upper, pressure oil by A mouthfuls of working oil paths, then is passed through by rotary buffering valve 8
A1 mouthfuls of brake operation hydraulic fluid ports enter Rotatary brake valve 9, so as to open trainstop, slewing equipment is in opening,
That is, releasing the braking to rotary fluid motor 7, it is allowed to which rotary fluid motor 7 is rotated.Meanwhile, pressure oil passes sequentially through A
Mouth actuator port, rotary fluid motor 7 and B mouthfuls of actuator ports, so as to drive rotary fluid motor to turn left.
When controlling reversal valve 5 to be in the next, pressure oil by B mouthfuls of working oil paths, then is passed through by rotary buffering valve 8
B1 mouthfuls of brake operation hydraulic fluid ports enter Rotatary brake valve 9, so as to open trainstop, slewing equipment is in opening.
Meanwhile, pressure oil passes sequentially through B mouthfuls of actuator ports, rotary fluid motor 7 and B mouthfuls of actuator ports, so as to drive revolution hydraulic pressure horse
Turned right up to 7.
The switching to slewing equipment and the working condition of air-conditioning device is illustrated below.
When air-conditioning device and slewing equipment are all not located in running status, and when needing to start one of both work, directly
Startup.When starting air-conditioning device, control device causes airconditioning control valve 13 is obtained electric, and the valve element of airconditioning control valve is in upper
Position；Simultaneously so that reversing control valve is in middle position.When starting slewing equipment, control device causes airconditioning control valve 13 is obtained electric,
The valve element of airconditioning control valve is in upper；Meanwhile, the need for left-hand rotation or right-hand rotation so that reversing control valve be in it is upper or
It is the next.
Start air-conditioning device signal, usually from temperature controller or temperature sensor, can be from other elements or
Control unit.Start the signal of slewing equipment, usually from revolution actuation means, can be from other elements or control is single
Member.
When slewing equipment is in running status, and when needing to start air-conditioning device, prevent to start air-conditioning device.To avoid sky
Adjust influence of the startup of device to pressure in hydraulic circuit.The influence is usually such that abrupt pressure reduction, and this will cause slewing equipment
The unexpected deceleration of gyration even pauses.
When air-conditioning device is in running status, and when needing to start slewing equipment, air-conditioning device 4 is closed, and start revolution
Device.Air-conditioning device is closed to realize by causing the dead electricity of airconditioning control valve 13.
Preferably, rotary buffering valve 8 is a kind of Bidirectional balanced valve of symmetrical structure.Oil-feed side hydraulic oil is through reversing control valve
5 to A or B mouthfuls driving rotary fluid motors, realize the function of equalizing and buffering.In addition, Rotatary brake valve is by oil-feed side high pressure
Oil is through reversing control valve 5 to A1 or B1 mouthful, the work of the trainstop opening and closing before forming slewing equipment work or terminating
With, play safeguard protection effect.
It is last it is to be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.This
The those of ordinary skill in field should be understood：Technical scheme described in foregoing embodiments can be modified, or it is right
Which part technical characteristic carries out equivalent substitution；These modifications are replaced, and the essence of appropriate technical solution is departed from this
Invent the spirit and scope of each embodiment technical scheme.
Claims (10)
1. a kind of air-conditioning rotary system, it is characterised in that including：
Slewing equipment, it includes rotary fluid motor (7)；
Air-conditioning device (4)；It includes air-conditioning hydraulic motor (41), wherein, the air-conditioning hydraulic motor (41) and the revolution liquid
Pressure motor (7) is driven by same hydraulic power source,
Control device, the control device prevents air-conditioning device (4) switching when the slewing equipment is in running order
Open/close states,
Wherein, the control device causes slewing equipment alternatively to be worked with air-conditioning device, and slewing equipment is with higher
Priority level；Or the control device causes in the case where slewing equipment works, do not allow the work for changing air-conditioning device
Make state.
2. air-conditioning rotary system as claimed in claim 1, it is characterised in that further comprise airconditioning control valve (13), described
Airconditioning control valve (13) has the first operating position and the second operating position,
In first operating position, the airconditioning control valve (13) accesses the air-conditioning hydraulic motor (41) by the hydraulic pressure
The hydraulic circuit of source driving；
In second operating position, the airconditioning control valve (13) causes the air-conditioning hydraulic motor (41) not access by described
The hydraulic circuit of hydraulic power source driving.
3. air-conditioning rotary system as claimed in claim 2, it is characterised in that the airconditioning control valve (13) is magnetic valve, and
Second operating position is under power failure state.
4. air-conditioning rotary system as claimed in claim 2 or claim 3, it is characterised in that further comprise：
Pressure switch (6), it detects the driving pressure of the rotary fluid motor (7), and testing result is delivered into the control
Device processed, the control device judges the working condition of the slewing equipment based on the testing result.
5. air-conditioning rotary system as claimed in claim 4, it is characterised in that the pressure switch (6) is delivered to the control
The testing result of device is electric signal.
6. air-conditioning rotary system as claimed in claim 4, it is characterised in that the slewing equipment further comprises：
Brake (10), it can switch between on-position and release conditions, and in the on-position, it prevents described return
Rotating hydraulic motor (7) is rotated, wherein, the brake (10) is hydraulic control brake, is more than or equal to setting in the pressure of control end
During value, the brake switches to release conditions from on-position, it is allowed to which the rotary fluid motor (7) rotates；
Rotary buffering valve (8), the rotary buffering valve (8) is arranged between the hydraulic power source and the rotary fluid motor (7),
Two actuator ports of the rotary buffering valve (8) are connected with two hydraulic fluid ports of the rotary fluid motor (7) respectively；
Rotatary brake valve (9), it is arranged between the rotary buffering valve (8) and the brake (10), for according to revolution
The pressure differential of two actuator ports of trimmer valve (8), the control end to the brake (10) applies control pressure,
Wherein, the pressure switch (6) detects the control pressure of the control end of the brake (10).
7. air-conditioning rotary system as claimed in claim 4, it is characterised in that the control device is the control list of chip form
First (12), described control unit (12) is electrically connected with temperature sensor (11), pressure switch (6), and according to the TEMP
The signal of device (11) and pressure switch (6) feedback, to control the airconditioning control valve (13).
8. air-conditioning rotary system as claimed in claim 6, it is characterised in that the control device is the control list of chip form
First (12), described control unit (12) is electrically connected with temperature sensor (11), pressure switch (6), and according to the TEMP
The signal of device (11) and pressure switch (6) feedback, to control the airconditioning control valve (13).
9. a kind of engineering machinery, it is characterised in that including the air-conditioning rotary system as any one of claim 1-8.
10. engineering machinery as claimed in claim 9, it is characterised in that the engineering machinery is wheeled crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610307487.7A CN106006387B (en) | 2016-05-11 | 2016-05-11 | A kind of air-conditioning rotary system and the engineering machinery with it |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610307487.7A CN106006387B (en) | 2016-05-11 | 2016-05-11 | A kind of air-conditioning rotary system and the engineering machinery with it |
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| CN106006387A CN106006387A (en) | 2016-10-12 |
| CN106006387B true CN106006387B (en) | 2017-11-03 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106515358A (en) * | 2016-10-18 | 2017-03-22 | 国网山东省电力公司电力科学研究院 | Hydraulic air-conditioner control system and method of insulated bucket |
| CN106524347B (en) * | 2016-10-18 | 2020-07-24 | 国网山东省电力公司电力科学研究院 | Hydraulic air conditioning system and method for insulating bucket of high-voltage live working robot |
| CN109292629B (en) * | 2018-10-26 | 2020-05-05 | 中船华南船舶机械有限公司 | Hydraulic rotating system of crane |
| CN112498047A (en) * | 2019-09-16 | 2021-03-16 | 河北雷萨重型工程机械有限责任公司 | Crane air conditioner control system and crane |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4033551A1 (en) * | 1989-10-23 | 1991-04-25 | Sanden Corp | Air-conditioning system for vehicle with rotary cab - includes radiator valve opened for heating or dehumidification, or both, but closed for air-cooling mode |
| EP0696522B1 (en) * | 1991-11-18 | 2000-01-19 | Sanden Corporation | Air conditioning system and method for vehicles |
| CN2154980Y (en) * | 1993-03-13 | 1994-02-02 | 湖南省岳阳制冷设备总厂 | Crane air conditioner with its compressor driven by hydrautic motor |
| CN2328641Y (en) * | 1998-05-13 | 1999-07-14 | 刘建设 | Automobile crane with air conditioner |
| CN201934397U (en) * | 2010-12-17 | 2011-08-17 | 徐州徐工随车起重机有限公司 | Crane liquid-filled system |
| CN102425579A (en) * | 2011-10-28 | 2012-04-25 | 中联重科股份有限公司 | Arrangement structure of hydraulic slewing system and hydraulic air-conditioning system as well as engineering mechanical equipment with same |
| CN103950850B (en) * | 2014-05-16 | 2016-01-20 | 安徽柳工起重机有限公司 | Car hosit turn table hydraulic brake system |
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2016
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Effective date of registration: 20200928 Address after: No.202 Xuanfu street, Xuanhua District, Zhangjiakou, Hebei Province Patentee after: Hebei Leisa Heavy Construction Machinery Co., Ltd Address before: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Patentee before: BEIQI FOTON MOTOR Co.,Ltd. |
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