CN217355045U - Heat dissipation system, hydraulic system and operation machine - Google Patents
Heat dissipation system, hydraulic system and operation machine Download PDFInfo
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- CN217355045U CN217355045U CN202220908130.5U CN202220908130U CN217355045U CN 217355045 U CN217355045 U CN 217355045U CN 202220908130 U CN202220908130 U CN 202220908130U CN 217355045 U CN217355045 U CN 217355045U
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Abstract
The utility model relates to the technical field of engineering machinery, and provides a heat dissipation system, a hydraulic system and an operating machine, which comprises a circulation loop, a radiator, a hydraulic pump and a chassis air source, wherein an oil inlet of the circulation loop is connected with an oil outlet of an oil tank, and the oil outlet of the circulation loop is connected with the oil inlet of the oil tank; the radiator is arranged on the circulating loop; the hydraulic pump is used for driving hydraulic oil to flow along the circulating loop, and the hydraulic pump is arranged on the circulating loop; the chassis air source is used for providing power for the hydraulic pump. The chassis air source supplies power to the hydraulic pump to realize the circulating cooling of the hydraulic oil, so that the air source of the chassis can be effectively utilized, the energy can be saved, and the cooling cost can be reduced.
Description
Technical Field
The utility model relates to an engineering machine tool technical field especially relates to a cooling system and hydraulic system, operation machinery.
Background
In the working process of the engineering machinery, the hydraulic system is an important system for driving the hydraulic system to work normally, and the cleanliness of hydraulic oil is guaranteed to be an important condition for various working elements in the hydraulic system to work normally. In the existing hydraulic radiating system, the main functions are oil liquid internal circulation driving radiating and external circulation independent radiating.
In a hydraulic oil heat dissipation and cooling system of a vehicle-mounted engineering vehicle, an internal circulation driving heat dissipation mode that partial hydraulic oil enters a radiator is driven by elements of a hydraulic system. In the process of radiating by driving the hydraulic oil to enter the radiator by using the working element of the hydraulic system, the impact on the oil return pipeline is large due to the influence of reversing of the main reversing valve and the like when the hydraulic system works, the hydraulic components on the oil return pipeline are easily damaged due to instantaneous pressure change, and particularly, when the oil return pressure is overlarge, the radiator is greatly impacted when the hydraulic oil enters the radiator, the radiator is easily damaged, the service life of the radiator is shortened, and therefore, the problem that the radiator is easily damaged due to the oil return impact can be effectively solved by adopting external circulation independent radiating.
In the existing external circulation independent heat dissipation cooling system, a power supply is mostly adopted to provide energy for an electric pump to drive hydraulic oil to carry out circulation heat dissipation, so that the consumption of electric energy is increased, and the cooling cost of the hydraulic oil is increased; when the flow of the hydraulic oil in the loop is too large, the electric pump with higher power is needed to drive the hydraulic oil, and then a power supply with higher power is needed to provide a power supply for the electric pump, so that the energy consumption is further increased, and the cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cooling system and hydraulic system, operation machinery for solve the independent cooling system electric energy consumption of extrinsic cycle in the prior art big, the high defect of cooling cost.
The utility model provides a heat dissipation system, include:
an oil inlet of the circulation loop is connected with an oil outlet of an oil tank, and an oil outlet of the circulation loop is connected with an oil inlet of the oil tank;
a radiator disposed on the circulation loop;
the hydraulic pump is used for driving hydraulic oil to flow along the circulating loop and arranged on the circulating loop;
and the chassis air source is used for providing power for the hydraulic pump.
According to the utility model provides a pair of cooling system still includes the filter, the filter sets up on the circulation circuit.
According to the utility model provides a pair of cooling system, the chassis air supply with the hydraulic pump passes through the gas circuit and connects.
According to the utility model provides a pair of cooling system still includes the control valve, the control valve sets up on the gas circuit, the control valve is used for control the break-make of gas circuit.
According to the utility model provides a pair of cooling system, still including the temperature detecting element who is used for detecting the interior hydraulic oil temperature of oil tank, temperature detecting element with control valve communication connection.
According to the utility model provides a pair of cooling system, the hydraulic pump sets up the upper reaches of radiator.
According to the utility model provides a pair of cooling system, the hydraulic pump is the diaphragm pump.
According to the utility model provides a pair of cooling system, the filter sets up the upper reaches or the low reaches of radiator.
The utility model also provides a hydraulic system, include as above-mentioned arbitrary one the cooling system.
The utility model also provides an operation machine, include as aforesaid hydraulic system or as aforesaid arbitrary item the cooling system.
The utility model provides a cooling system, hydraulic system, operation machinery sets up the radiator on circulation circuit, make hydraulic oil flow back to the oil tank after the heat dissipation of radiator in the process that circulation circuit flows, realized the heat dissipation to hydraulic oil, and circulation circuit sets up outside the oil tank, form independent extrinsic cycle hydraulic system through the hydraulic pump, hydraulic oil need not to pass through hydraulic system's working element in the heat dissipation process, be favorable to simplifying heat dissipation pipeline and heat radiation structure, and the cost is reduced, and hydraulic oil in the circulation circuit does not have pressure impact, can not make the radiator receive the impact; the air source of the chassis is used for providing power for the hydraulic pump, so that the air source of the chassis can be effectively utilized, the energy can be saved, and the cost can be reduced. When the operation machinery is in a non-driving state, the power can be provided for the hydraulic pump through the chassis air source, the engine is not required to be used as power to drive the hydraulic oil to circulate, the continuous circulating flow of the hydraulic oil is realized, and therefore the heat dissipation effect of the hydraulic oil is improved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a heat dissipation system provided by the present invention.
Reference numerals:
1: an oil tank; 2: a circulation loop; 3: a diaphragm pump; 4: a heat sink;
5: a filter; 6: a chassis air source; 7: a gas circuit; 8: and a stop valve.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
The heat dissipation system, the hydraulic system, and the working machine of the present invention will be described with reference to fig. 1.
As shown in fig. 1, the utility model provides a pair of cooling system, including circulation circuit 2, radiator 4, hydraulic pump, wherein, circulation circuit 2's oil inlet is connected with the oil-out of oil tank 1, and circulation circuit 2's oil-out is connected with the oil inlet of oil tank 1, makes circulation circuit 2 form to set up the independent return circuit outside oil tank 1. The radiator 4 is arranged on the circulating loop 2, the hydraulic pump is arranged on the circulating loop 2, and the hydraulic pump is used for driving hydraulic oil to flow along the circulating loop 2, so that the hydraulic oil flows back to the oil tank 1 after being radiated by the radiator 4 in the process of flowing along the circulating loop 2, and the radiation of the hydraulic oil is realized.
The circulation loop 2 is an independent pipeline independent of the hydraulic system, hydraulic oil passing through the circulation loop 2 cannot pass through working elements of the hydraulic system and is not influenced by reversing of a main reversing valve of the hydraulic system and the like, the flow of the hydraulic pump is stable, and the hydraulic oil in the circulation loop 2 has no pressure impact, so that the radiator 4 is not impacted, and the service life of the radiator 4 is prolonged.
The heat dissipation system also comprises a chassis air source 6, wherein the chassis air source 6 is used for providing power for the hydraulic pump so that the hydraulic pump can drive hydraulic oil to flow along the circulation loop 2; the air source of the chassis is used as a power element, the pipeline is simple, the energy is saved, and the cost is low.
It should be noted that the chassis air source 6 may use compressed air (exhaust gas) that needs to be exhausted from the engine chassis as an air source, and here, the hydraulic pump may be communicated with an exhaust pipe of the engine chassis through an air path. Therefore, the waste gas of the working machine is effectively used as a driving source to realize the circulating cooling of the hydraulic oil, the energy consumption is reduced, and the cooling cost is favorably reduced.
According to the arrangement, the radiator 4 is arranged on the circulation loop 2, so that the hydraulic oil flows back to the oil tank 1 after being radiated by the radiator 4 in the flowing process of the circulation loop 2, the heat radiation of the hydraulic oil is realized, the circulation loop 2 is arranged outside the oil tank 1, an independent external circulation hydraulic system is formed through a hydraulic pump, the hydraulic oil does not need to pass through a working element of the hydraulic system in the heat radiation process, the heat radiation pipeline and the heat radiation structure are facilitated to be simplified, the cost is reduced, the oil liquid filling is facilitated (a filter is not needed to be arranged independently on the site), and the site operation is simple and convenient; furthermore, the hydraulic oil in the circulation circuit 2 does not have pressure shock, and the radiator 4 is not subjected to shock; the chassis air source 6 is used for providing power for the hydraulic pump, so that the air source of the chassis can be effectively utilized, the energy is saved, and the cost is reduced. When the operation machinery is in a non-driving state, the power can be provided for the hydraulic pump through the chassis air source 6, the engine is not required to be used as power to drive the hydraulic oil to circulate, the continuous circulating flow of the hydraulic oil is realized, and therefore the heat dissipation effect of the hydraulic oil is improved.
In the optional embodiment of the present invention, the heat dissipation system further includes a filter 5, and the filter 5 is disposed on the circulation loop 2, so that the filter 5 filters impurities in the hydraulic oil.
In an alternative embodiment, the filter 5 may be an oil absorption filter, and the oil absorption filter may be disposed upstream of the radiator 4, so that the hydraulic oil flows into the radiator 4 after being filtered by the oil absorption filter. This is advantageous for increasing the service life of the heat sink 4.
In an alternative embodiment, the filter 5 may be an oil return filter, and the oil return filter may be disposed downstream of the radiator 4, so that the hydraulic oil enters the oil return filter after being radiated by the radiator 4, and the hydraulic oil flows back to the oil tank 1 after being filtered by the oil return filter. In this way, the hydraulic oil flowing back to the oil tank 1 is kept clean, which is beneficial to reducing the abrasion of working elements in the hydraulic system and improving the reliability of the hydraulic system.
In other embodiments, the heat dissipation system may include two filters 5, and the two filters 5 are an oil absorption filter and an oil return filter, respectively, so as to be beneficial to improving the filtering effect of the hydraulic oil, and to avoid the situation that the hydraulic pump or the radiator 4 is blocked due to excessive impurities in the hydraulic oil and the external circulation heat dissipation cannot be realized on the hydraulic oil.
It should be noted that the upstream and downstream are determined according to the flow direction of the hydraulic oil.
The utility model discloses an in the optional embodiment, chassis air supply 6 passes through gas circuit 7 with the hydraulic pump to be connected to chassis air supply 6 provides power for the hydraulic pump.
In an alternative embodiment, a hydraulic pump may be arranged upstream of the radiator 4, which further ensures that the radiator 4 is not impacted by the hydraulic oil, thereby contributing to an increase in the service life of the radiator 4.
In this embodiment, the hydraulic pump may be a pneumatic pump, and specifically, the hydraulic pump may be a diaphragm pump 3, and the diaphragm pump 3 is adopted to drive the flow of the hydraulic oil, so that the flow of the hydraulic oil in the circulation loop 2 is stable, the hydraulic oil entering the radiator 4 has no pressure impact, the radiator 4 is not impacted, and the service life of the radiator 4 is prolonged; also, even if the diaphragm pump 3 runs without a medium for a long time or is suddenly stopped due to an accident, the diaphragm pump 3 is not damaged thereby.
In the compressed gas of chassis air supply 6 inputed the distribution valve of diaphragm pump 3, gaseous in the distribution valve room of diaphragm pump drives the connecting rod axle through the air current system of leading and is left right reciprocating motion, and simultaneously, the low-pressure gas after the consumption passes through the quick discharge of the gas vent of diaphragm pump 3, high in both sides, low-pressure gas alternative action down, the connecting rod axle drives the diaphragm side-to-side movement of diaphragm pump both sides, make the atmospheric pressure in the volume intracavity on diaphragm pump both sides take place alternate change, thereby realize the continuous suction and the discharge of liquid, realize that 3 drive hydraulic oil circulation of diaphragm pump flows. In this way, the air of the chassis air supply 6 can power the membrane pump 3.
Moreover, when the load of the diaphragm pump 3 is overloaded, the diaphragm pump 3 can be automatically stopped, and the self-protection function is realized, so that the stability of the heat dissipation system is improved, and the service life of the heat dissipation system is prolonged; when the load of the diaphragm pump 3 returns to normal, the diaphragm pump 3 will automatically start to continuously drive the hydraulic oil to flow, so that the heat dissipation system continues to dissipate heat of the hydraulic oil.
The utility model discloses an in the optional embodiment, this cooling system still includes the control valve, and the control valve setting is on gas circuit 7 to the control valve is used for controlling the break-make of gas circuit 7, thereby realizes the control to diaphragm pump 3. Therefore, the starting and stopping of the diaphragm pump 3 can be realized only by switching the opening and closing states of the control valve, and the diaphragm pump is convenient to use and reliable in work.
In the optional embodiment of the utility model, this cooling system still includes the temperature detection component, and the temperature detection component is used for detecting the temperature of the hydraulic oil in the oil tank 1.
Here, the temperature detection element may be a temperature sensor.
And, temperature-detecting element and control valve communication connection, temperature-detecting element can transmit the temperature signal of the hydraulic oil in the oil tank 1 who detects to the control valve, makes the break-make of control valve control gas circuit 7, even the control valve carries out the on-off state and switches.
Specifically, when the temperature value detected by the temperature detection element is greater than the preset temperature, the control valve is switched to the open state, even if the air passage 7 is conducted, the chassis air source 6 provides power for the diaphragm pump 3, so that the diaphragm pump 3 drives the hydraulic oil to flow along the circulation loop 2, the radiator 4 radiates the hydraulic oil, and the filter 5 filters the hydraulic oil.
When the temperature value detected by the temperature detection element is less than or equal to the preset temperature, the control valve is switched to the closed state, even if the gas circuit 7 is cut off, the diaphragm pump 3 is stopped, and therefore energy conservation and cost reduction are facilitated.
In this embodiment, the control valve may be a stop valve 8, specifically, an electrically controlled stop valve, so as to implement automatic control.
Moreover, in this embodiment, the heat dissipation system may further include a controller, and the controller is in communication connection with the temperature sensor and the control valve. The temperature sensor can transmit a detected temperature signal to the controller, a preset temperature is preset in the controller, and the controller sends a control instruction to the control valve according to the received temperature signal to enable the control valve to act.
It should be noted that the shape structure and the flow rate of the diaphragm pump are matched according to the performance of the heat dissipation system; moreover, the basic working principle of the heat dissipation system is not changed according to the structure and the position of the heat dissipation system arranged according to the upper installation structure space of the working machine.
The following describes the hydraulic system provided by the present invention, and the hydraulic system described below and the above-described heat dissipation system can correspond to each other and refer to each other.
The utility model provides a pair of hydraulic system, include the cooling system as above-mentioned arbitrary embodiment. The beneficial effect that this hydraulic system reached and the utility model provides a beneficial effect that cooling system reached is unanimous. The radiator 4 is arranged on the circulation loop 2, so that the hydraulic oil flows back to the oil tank 1 after being radiated by the radiator 4 in the flowing process of the circulation loop 2, the heat radiation of the hydraulic oil is realized, the circulation loop 2 is arranged outside the oil tank 1, an independent external circulation hydraulic system is formed by a hydraulic pump, the hydraulic oil does not need to pass through a working element of the hydraulic system in the heat radiation process, the heat radiation pipeline and the heat radiation structure are facilitated to be simplified, and the cost is reduced; and provide power for the hydraulic pump through chassis air supply 6, like this, when engineering machine is in the non-state of traveling, still can provide power for the hydraulic pump through chassis air supply 6, and need not to utilize the engine to drive hydraulic oil as power and circulate, realized the continuous circulation flow of hydraulic oil, also can dispel the heat to hydraulic oil under engineering machine's chassis and facial make-up are in the shut down state to improve the radiating effect to hydraulic oil.
The following describes the utility model provides a working machine, and the working machine of following description and the hydraulic system or the cooling system of the above-mentioned description can correspond the reference each other.
The utility model provides a pair of working machine, include hydraulic system as in above-mentioned embodiment or cooling system as in above-mentioned arbitrary embodiment. The beneficial effect that this operation machinery reached and the utility model provides a hydraulic system or the beneficial effect that cooling system reached are unanimous mutually, then no longer give consideration to here.
The work machine may be an excavator, a pump truck, a loader, or another machine having a hydraulic system.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A heat dissipation system, comprising:
an oil inlet of the circulation loop is connected with an oil outlet of an oil tank, and an oil outlet of the circulation loop is connected with an oil inlet of the oil tank;
a radiator disposed on the circulation loop;
the hydraulic pump is used for driving hydraulic oil to flow along the circulating loop and arranged on the circulating loop;
and the chassis air source is used for providing power for the hydraulic pump.
2. The heat dissipating system of claim 1, further comprising a filter disposed on the recirculation loop.
3. The heat dissipating system of claim 1, wherein the chassis air supply is pneumatically coupled to the hydraulic pump.
4. The heat dissipation system of claim 3, further comprising a control valve disposed on the air path, the control valve being configured to control on/off of the air path.
5. The heat dissipating system of claim 4, further comprising a temperature sensing element for sensing a temperature of the hydraulic oil in the oil tank, the temperature sensing element being in communication with the control valve.
6. The heat dissipating system of any of claims 1-5, wherein the hydraulic pump is disposed upstream of the radiator.
7. The heat dissipating system of any of claims 1-5, wherein the hydraulic pump is a diaphragm pump.
8. The heat dissipating system of claim 2, wherein the filter is disposed upstream or downstream of the heat sink.
9. A hydraulic system comprising a heat dissipation system as claimed in any one of claims 1-8.
10. A work machine comprising a hydraulic system according to claim 9 or a heat dissipation system according to any of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220908130.5U CN217355045U (en) | 2022-04-19 | 2022-04-19 | Heat dissipation system, hydraulic system and operation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220908130.5U CN217355045U (en) | 2022-04-19 | 2022-04-19 | Heat dissipation system, hydraulic system and operation machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217355045U true CN217355045U (en) | 2022-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220908130.5U Active CN217355045U (en) | 2022-04-19 | 2022-04-19 | Heat dissipation system, hydraulic system and operation machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217355045U (en) |
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2022
- 2022-04-19 CN CN202220908130.5U patent/CN217355045U/en active Active
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