CN207683266U - A kind of pressure regulating system of craneman's house hydraulic-driven air conditioner - Google Patents
A kind of pressure regulating system of craneman's house hydraulic-driven air conditioner Download PDFInfo
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- CN207683266U CN207683266U CN201721568905.4U CN201721568905U CN207683266U CN 207683266 U CN207683266 U CN 207683266U CN 201721568905 U CN201721568905 U CN 201721568905U CN 207683266 U CN207683266 U CN 207683266U
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Abstract
The utility model discloses a kind of pressure regulating systems of craneman's house hydraulic-driven air conditioner, the hydraulic pump oil outlet of host is divided into two-way by proportioning valve, the solenoid electric valve being made up of all the way fluid pressure line, overflow valve and throttle valve is connect with air-conditioning motor, and compressor of air conditioner operating is driven by shaft coupling by air-conditioning motor, and solenoid electric valve according to the collection value of pressure sensor and temperature sensor adjust and control in real time by conditioning control unit；Another way is connected by fluid pressure line, rotary buffering valve and rotary motor.The control valve being made of overflow valve and throttle valve plays pressure security defencive function after being connect with control unit to air-conditioning motor, and automatic pressure regulation realizes that the steady running of air-conditioning system and normal protection are cut off.Air-conditioning motor is connect by shaft coupling with compressor of air conditioner, is driven compressor of air conditioner steady running, is realized the refrigeration performance of air conditioner.
Description
Technical field
The utility model is related to crane air conditioner technical fields, and in particular to a kind of craneman's house hydraulic-driven
The pressure regulating system of air conditioner.
Background technology
General crane part is all without power (such as engine, motor), currently used for crane
Partial air-conditioning is typically chosen hydraulic-driven, using the existing pressure oil of upper vehicle hydraulic system, is converted by electro hydraulic valve, and driving is empty
Motor rotation is adjusted, then belt pulley is driven to rotate, belt rotation drives compressor of air conditioner rotation, to realize Kong Tiao Ya Shrink machines
Refrigerating function.
The air conditioner being hydraulically operated is connected in the hydraulic oil circuit of host, when the engine speed of host fluctuates suddenly
When, it is be easy to cause the suddenly change of hydraulic system pressure and flow, causes the air-conditioning motor rotary speed of hydraulic-driven to fluctuate, Jin Erying
The rotating speed for ringing compressor of air conditioner not only influences air conditioner refrigeration effect, but also is easy to cause air conditioner larger impact, causes sky
Adjust device Frequent Troubles, influence the functional reliability of air conditioner, at the same may also result in host operation fluctuation it is larger, influence host
Stability.
The air-conditioner system being generally hydraulically operated is to pump to provide hydraulic power by main unit hydraulic, and oil outlet passes through ratio
It is connected all the way by the hydraulic motor of fluid pressure line and speed governing valve and air conditioner after example distributing valve distribution oil mass, another way then passes through
Fluid pressure line, rotary buffering valve and rotary motor connect, and last hydraulic oil flows into after flowing through each fluid pressure line in oil return box.Using
Common speed governing valve carries out the adjusting of air conditioner rotating speed, is unfavorable for the stable operation of air conditioner with the variation of system pressure, works as pressure
When power is excessively high, it cannot play a protective role to air-conditioner system, pressure of the impact that prolonged pressure height changes to air conditioner
The components such as contracting machine do not have protective effect, easily cause damage, influence the reliability of air conditioner, then cannot normally be transported under serious conditions
Turn, the use demand of user can not be met in real time.
Turn only with speed governing valve regulation air-conditioning when existing craneman's house hydraulic-driven air conditioner works in the loop
Speed does not have compensating action, and without safe pressure defencive function, when system pressure is higher than setting when pressure real-time change
When value, pressure off-load cannot be carried out automatically, can not ensure required pressure difference when rotary motor work, and when operating is easy to influence air-conditioning
The stability of device and host reduces reliability when use.
Utility model content
Purpose：In order to overcome the deficiencies in the prior art, the utility model to provide a kind of craneman's house hydraulic pressure
The pressure regulating system for driving air conditioner solves the air conditioner of existing hydraulic-driven in use since host engine turns
When fast fluctuation suddenly, the shock problem for bringing the variation of hydraulic system pressure and flow to generate, the variation of pressure and flow is not only
The fluctuation of speed of air-conditioning motor is caused, compressor of air conditioner is impacted, influences the work of air conditioner, can also increase the load of host, make
At host be short of power in addition the serious explosion that can cause mating fluid pressure line.
Technical solution：In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of pressure regulating system of craneman's house hydraulic-driven air conditioner, it is characterised in that：Including hydraulic pump, ratio
Example distributing valve, solenoid electric valve, air-conditioning motor, shaft coupling, compressor of air conditioner, rotary buffering valve, rotary motor, airconditioning control list
Member；The solenoid electric valve includes overflow valve and throttle valve；
Wherein the oil outlet of hydraulic pump is connected with the oil inlet of Prorating valve, from Prorating valve it is fuel-displaced after be divided into two
Road is connect by fluid pressure line and rotary buffering valve with rotary motor all the way, ensures that host runs well, another way passes through hydraulic pressure
Pipeline flows into air-conditioning motor through solenoid electric valve, drives compressor of air conditioner operating by shaft coupling by air-conditioning motor, realizes air-conditioning
The refrigerating function of device；
When hydraulic oil enters solenoid electric valve, two-way is divided by solenoid electric valve：The throttling that a part passes through throttle valve
Effect enters in executive component air-conditioning motor, and leakage passage is entered after air-conditioning motor, and another part is flowed directly into through overflow valve
Circuit；
Solenoid electric valve is connect with conditioning control unit.
The conditioning control unit includes pressure sensor and temperature sensor, passes through the in due course anti-of pressure value and temperature value
Timely regulating system pressure and flow are presented, the operating and stopping of air-conditioning motor are controlled.
When hydraulic oil enters the solenoid electric valve being made of overflow valve and throttle valve, according to pressure size by having leaned on level pressure
The overflow valve of effect carries out pressure compensation to throttle valve, and system pressure is made to change with the variation of load.It can be according to control system
Collected pressure and temperature value carries out pressure off-load and flow-rate adjustment in real time, ensures air-conditioning motor and rotary motor action when institute
Pressure difference is needed, pressure automatic adjustment and stable operation are played the role of.
The pressure regulating system of the craneman's house hydraulic-driven air conditioner, it is characterised in that：It further include oil return
Case, the fuel-displaced of the rotary motor flow back to oil return box by fluid pressure line.
The fuel-displaced of air-conditioning motor flows back to oil return box by fluid pressure line.A part of hydraulic oil of the overflow valve passes through
Fluid pressure line flows back to oil return box.Further, two parts hydraulic oil enters oil return box by same oil return line.
The solenoid electric valve is connected by controlling harness with conditioning control unit.
Advantageous effect：The pressure regulating system of craneman's house hydraulic-driven air conditioner provided by the utility model, can
Existing system pressure is compensated and is adjusted, system pressure is made to change with the variation of load, power loss is small, and by its
In control valve connect with control system, can realize that the operating of air-conditioning system and normal protection are cut off, and control valve is equipped with
Safe pressure defencive function, it is automatic to carry out pressure off-load when system pressure is higher than setting value, to ensure to press needed for host work
Force difference.The air conditioner of existing hydraulic-driven is solved in use since pressure changes the shock problem of generation in due course, because
Not only air conditioner is caused to impact for the variation of pressure, but also influences the stable operation of the reliability and host of air conditioner.This reality
It drives the pressure regulating system of air conditioner that there is safe pressure defencive function with novel hydraulic, pressure adjusting can be carried out automatically,
It realizes the operating of air-conditioning system and normal protection, ensures the stable operation of entire performance loop, it is simple and practical, securely and reliably.
Description of the drawings
Fig. 1 is the hydraulic-driven air conditioner pressure regulating system schematic diagram of the utility model；
Fig. 2 is the utility model control unit pressure regulation flow process figure；
In figure：1 hydraulic pump, 2 Prorating valves, 3 solenoid electric valves, 4 air-conditioning motors, 5 shaft couplings, 6 compressors of air conditioner, 7
Rotary buffering valve, 8 rotary motors, 9 oil return boxes, 10 overflow valves, 11 throttle valves, 12 conditioning control units, 13 pressure sensors, 14
Temperature sensor.
Specific implementation mode
The utility model is further described with reference to specific embodiment.
As shown in Figure 1, for a kind of pressure regulating system of craneman's house hydraulic-driven air conditioner, including hydraulic pump 1,
Prorating valve 2, solenoid electric valve 3（Solenoid electric valve 3 includes overflow valve 10 and throttle valve 11）, air-conditioning motor 4, shaft coupling 5,
Compressor of air conditioner 6, rotary buffering valve 7, rotary motor 8, oil return box 9, conditioning control unit 12.Wherein main unit hydraulic pump 1 goes out
Hydraulic fluid port is connected with the oil inlet of Prorating valve 2, from Prorating valve 2 it is fuel-displaced after be divided into two-way, all the way by fluid pressure line and
The solenoid electric valve 3 being made of overflow valve 10 and throttle valve 11 is connect with air-conditioning motor 4, is driven by shaft coupling 5 by air-conditioning motor 4
Dynamic compressor of air conditioner 6 operates, and realizes air conditioner refrigerating performance, and the solenoid electric valve 3 in system is by controlling harness and air-conditioning control
Unit 12 processed connects, and conditioning control unit includes pressure sensor 13 and temperature sensor 14, passes through pressure value and temperature value
Feed back timely regulating system pressure and flow in due course, control the operating and stopping of air-conditioning motor, another way by fluid pressure line and
Rotary buffering valve 7 is connect with rotary motor 8, ensures host operating.Two-way use parallel way, one finally through overflow valve 10
Liquid separation pressure oil, air-conditioning motor 4 and the fuel-displaced of rotary motor 8 flow back to oil return box 9 by fluid pressure line.
In conclusion utility model works principle is as follows combined with Figure 1 and Figure 2,：
When air-conditioning work, Prorating valve 2 is divided into two-way according to the hydraulic-oil quantity that hydraulic pump flows into, and flows into host all the way
Rotary buffering valve 7, rotary motor 8, oil return later to oil return box 9, which ensure that the normal operation of host rotary motor 8；
Another way flows into air-conditioning motor 4 via the solenoid electric valve 3 that overflow valve 10 and throttle valve 11 form, and wherein air-conditioning motor 4 can lead to
It crosses shaft coupling 5 to connect with compressor of air conditioner 6, the normal work of compressor of air conditioner 6 is driven under the driving of air-conditioning motor 4, to
Realize the refrigerating function of air conditioner.Wherein solenoid electric valve 3 is connected by controlling harness and conditioning control unit 12, airconditioning control
Unit 12 is made of pressure sensor 13 and temperature sensor 14 and other control elements, evaporation fan, condensating wind with air-conditioning
Machine, temperature switch are connected with pressure switch to be controlled, and is controlled solenoid electric valve 3 according to temperature and pressure feedback signal, is worked as liquid
When pressure oil enters the solenoid electric valve 3 being made of overflow valve 10 and throttle valve 11, according to pressure size by by playing level pressure
Overflow valve 10 carries out pressure compensation to throttle valve 11, so that system pressure is changed with the variation of load, and by solenoid electric valve 3
It is divided into two-way：A part is entered by the throttling action of throttle valve 11 in executive component air-conditioning motor 4, laggard through air-conditioning motor 4
Enter leakage passage, another part flows directly into circuit through overflow valve 10, then two parts hydraulic oil by same oil return line into
Enter oil return box 9, solenoid electric valve 3 is connect with conditioning control unit 12, can be fed back and be carried out according to the acquisition of temperature and pressure value
It adjusts and controls, realize that the operating of air-conditioning system and normal protection are cut off, when system pressure is higher than setting value, believed according to pressure
Number acquisition and feedback is automatic carries out pressure off-load, it is ensured that air-conditioning motor and rotary motor required pressure difference when acting play
Pressure automatically adjusts and the effect of stable operation.
The above is only the preferred embodiment of the utility model, it should be pointed out that：For the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (7)
1. a kind of pressure regulating system of craneman's house hydraulic-driven air conditioner, it is characterised in that：Including hydraulic pump, ratio
Distributing valve, solenoid electric valve, air-conditioning motor, shaft coupling, compressor of air conditioner, rotary buffering valve, rotary motor, airconditioning control list
Member；The solenoid electric valve includes overflow valve and throttle valve；
Wherein the oil outlet of hydraulic pump is connected with the oil inlet of Prorating valve, from Prorating valve it is fuel-displaced after be divided into two-way, one
Road is connect by fluid pressure line and rotary buffering valve with rotary motor, ensures that host runs well, another way passes through fluid pressure line
Air-conditioning motor is flowed into through solenoid electric valve, compressor of air conditioner operating is driven by shaft coupling by air-conditioning motor, realizes air conditioner
Refrigerating function；
When hydraulic oil enters solenoid electric valve, two-way is divided by solenoid electric valve：The throttling action that a part passes through throttle valve
Into in executive component air-conditioning motor, leakage passage is entered after air-conditioning motor, another part flows directly into circuit through overflow valve；
Solenoid electric valve is connect with conditioning control unit.
2. the pressure regulating system of craneman's house hydraulic-driven air conditioner according to claim 1, it is characterised in that：
The conditioning control unit includes pressure sensor and temperature sensor, is adjusted in time by the in due course feedback of pressure value and temperature value
System pressure and flow are saved, the operating and stopping of air-conditioning motor are controlled.
3. the pressure regulating system of craneman's house hydraulic-driven air conditioner according to claim 1, it is characterised in that：
When hydraulic oil enters the solenoid electric valve being made of overflow valve and throttle valve, according to pressure size by by playing overflowing for level pressure
It flows valve and pressure compensation is carried out to throttle valve, system pressure is made to change with the variation of load.
4. the pressure regulating system of craneman's house hydraulic-driven air conditioner according to claim 1, it is characterised in that：
Further include oil return box, the fuel-displaced of the rotary motor flows back to oil return box by fluid pressure line.
5. the pressure regulating system of craneman's house hydraulic-driven air conditioner according to claim 4, it is characterised in that：
The fuel-displaced of air-conditioning motor flows back to oil return box by fluid pressure line.
6. the pressure regulating system of craneman's house hydraulic-driven air conditioner according to claim 4, it is characterised in that：
A part of hydraulic oil of the overflow valve flows back to oil return box by fluid pressure line.
7. the pressure regulating system of craneman's house hydraulic-driven air conditioner according to claim 1, it is characterised in that：
The solenoid electric valve is connected by controlling harness with conditioning control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721568905.4U CN207683266U (en) | 2017-11-22 | 2017-11-22 | A kind of pressure regulating system of craneman's house hydraulic-driven air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721568905.4U CN207683266U (en) | 2017-11-22 | 2017-11-22 | A kind of pressure regulating system of craneman's house hydraulic-driven air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN207683266U true CN207683266U (en) | 2018-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721568905.4U Active CN207683266U (en) | 2017-11-22 | 2017-11-22 | A kind of pressure regulating system of craneman's house hydraulic-driven air conditioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107867146A (en) * | 2017-11-22 | 2018-04-03 | 徐工集团工程机械有限公司 | A kind of pressure regulating system of craneman's house hydraulic-driven air conditioner |
| CN108757602A (en) * | 2018-08-27 | 2018-11-06 | 中铁工程装备集团有限公司 | Drill jumbo air-conditioning double-power hydraulic control system and drill jumbo |
-
2017
- 2017-11-22 CN CN201721568905.4U patent/CN207683266U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107867146A (en) * | 2017-11-22 | 2018-04-03 | 徐工集团工程机械有限公司 | A kind of pressure regulating system of craneman's house hydraulic-driven air conditioner |
| CN108757602A (en) * | 2018-08-27 | 2018-11-06 | 中铁工程装备集团有限公司 | Drill jumbo air-conditioning double-power hydraulic control system and drill jumbo |
| CN108757602B (en) * | 2018-08-27 | 2024-02-02 | 中铁工程装备集团有限公司 | Double-power hydraulic control system of air conditioner of drill jumbo and drill jumbo |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220725 Address after: No.26 tuolanshan Road, Xuzhou Economic and Technological Development Zone, Xuzhou City, Jiangsu Province Patentee after: JIANGSU XUGONG ENGINEERING MACHINERY RESEARCH INSTITUTE Co.,Ltd. Address before: 221004 26 Jinshan Road, Jinshan Bridge Economic Development Zone, Xuzhou, Jiangsu Patentee before: XCMG CONSTRUCTION MACHINERY Co.,Ltd. |