CN215521051U - Expansion tank of large-scale combined radiator - Google Patents
Expansion tank of large-scale combined radiator Download PDFInfo
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- CN215521051U CN215521051U CN202122358213.XU CN202122358213U CN215521051U CN 215521051 U CN215521051 U CN 215521051U CN 202122358213 U CN202122358213 U CN 202122358213U CN 215521051 U CN215521051 U CN 215521051U
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Abstract
The utility model relates to the technical field of expansion tanks, in particular to an expansion tank of a large-scale combined radiator. The water tank pressure cover is arranged at the top end of the tank body; an anti-surge chamber is arranged in the box body, the outer side wall of the anti-surge chamber is provided with a plurality of exhaust ports communicated with the outside of the box body, and the side wall of the anti-surge chamber is provided with exhaust holes communicated with the inside of the box body; the box outer wall is equipped with the compensating liquid export, the compensating liquid export is equipped with prevents revolving the baffle, it establishes to prevent revolving the baffle inside the box. The expansion tank provided by the utility model has the advantages of good exhaust effect, strong anti-interference capability and good leakage-proof effect. The anti-surge chamber can prevent coolant from shaking to shield the exhaust port when a vehicle runs, and the exhaust hole arranged on the anti-surge chamber can prevent the coolant from leaking and ensure exhaust; the anti-rotation baffle arranged at the outlet of the compensation liquid can prevent the turbulence of the suction flow caused by the water inlet of the engine water pump during liquid suction.
Description
Technical Field
The utility model relates to the technical field of expansion tanks, in particular to an expansion tank of a large-scale combined radiator.
Background
The radiator matched with the engine is an important assembly of the ultra-large mining automobile with the load of more than 100 tons, and the expansion tank is an important part on the radiator. The design parameters and the structural arrangement of the radiator directly influence whether the whole radiator can work stably and reliably for a long time.
The expansion tank can exhaust gas in the radiator system and the cooling liquid, can absorb expansion when the temperature of the cooling liquid rises, and can replenish lost cooling liquid. These functions ensure long-term stable and reliable operation of the radiator system in a suitable volume space, facilitate maintenance of the cooling system, and overcome the influence of engine operation fluctuation or regional variation on the radiator system.
The large-scale mining truck radiator is generally of a double-loop combined type, namely, the radiator is divided into a low-temperature loop radiator and a high-temperature loop radiator, and the two loops share one expansion tank, so that the expansion tank can meet the normal working requirement of the system of the two loops. At present, the expansion tank adopted in the prior art hardly meets the requirements of two loop systems, and the reliable functions of exhausting, turbulence resistance and leakage prevention cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an expansion tank of a large-scale combined radiator, which can meet the normal working requirements of two loop systems of a low-temperature loop radiator and a high-temperature loop radiator, has good exhaust effect, strong anti-interference performance, high anti-interference performance and is suitable for being applied to large radiators with various specifications.
The utility model provides an expansion tank of a large-scale combined radiator, which comprises a tank body, wherein a water tank pressure cover is arranged at the top end of the tank body; an anti-surge chamber is arranged in the box body, the outer side wall of the anti-surge chamber is provided with a plurality of exhaust ports communicated with the outside of the box body, and the side wall of the anti-surge chamber is provided with exhaust holes communicated with the inside of the box body; the box outer wall is equipped with the compensating liquid export, the compensating liquid export is equipped with prevents revolving the baffle, it establishes to prevent revolving the baffle inside the box.
Furthermore, the outer side wall of the box body is provided with a plurality of exhaust pipe joints, the exhaust pipe joints are connected with the exhaust port, and NPT conical threads are adopted at one ends, far away from the box body, of the exhaust pipe joints.
Furthermore, a plurality of the exhaust pipe joints are respectively connected with an exhaust manifold of the engine and a water tank of the radiator.
Furthermore, a clamping sleeve joint is arranged on the exhaust pipe joint connected with the water tank of the radiator, and the clamping sleeve joint is connected with the water tank of the radiator through a pipeline.
Furthermore, a window mirror is arranged on the side wall of the box body opposite to the compensation liquid outlet, and a liquid level alarm sensor mounting hole is formed above the compensation liquid outlet.
Further, the volume between the upper side wall in the box body and the lowest position of the exhaust port is not lower than 2% of the total cooling liquid volume; the total cooling liquid volume is the sum of the volume of an engine cooling system connected with the box body, the volume of a radiator connected with the box body and the volume of a connecting pipeline between the engine and the radiator.
Further, the volume between the lowest position of the exhaust port and the position of the lowest bottom of the water tank pressure cover is not lower than 6% of the total cooling liquid volume;
the volume between the position of the bottommost part of the water tank pressure cover and the lowest position of the liquid level alarm sensor mounting hole is not less than 6-10% of the total cooling liquid volume;
when the vertical height between the lowest position of the liquid level alarm sensor mounting hole and the highest position of the compensating liquid outlet is greater than 80mm, the vertical height between the highest position of the anti-rotation baffle and the highest position of the compensating liquid outlet is the vertical height between the lowest position of the liquid level alarm sensor mounting hole and the highest position of the compensating liquid outlet
When the lowest position of the liquid level alarm sensor mounting holeWhen the vertical height between the position and the highest position of the compensating liquid outlet is less than 60mm, the vertical height between the highest position of the anti-rotation baffle and the highest position of the compensating liquid outlet is the vertical height between the lowest position of the liquid level alarm sensor mounting hole and the highest position of the compensating liquid outlet
Furthermore, one side of the water tank pressure cover is provided with a guide pipe, and the guide pipe is connected with the bottom of the radiator; and a vent hole is arranged at the lower part of the water tank pressure cover and is arranged in the tank body.
Furthermore, the outer side wall of the box body is provided with a compensation liquid connecting pipe, the compensation liquid connecting pipe is connected with the compensation liquid outlet, the compensation liquid connecting pipe adopts a straight-through connector, the compensation liquid connecting pipe adopts threaded connection for external connection, and the threads adopt 24-degree conical surface sealing.
Furthermore, fixing seats are arranged on the two sides and the bottom of the box body; and a hoisting stud is arranged at the top of the box body.
In summary, the utility model has the following advantages:
(1) the expansion tank of the large-scale combined radiator provided by the utility model has the advantages of good exhaust effect, strong anti-interference capability and good leakage-proof effect, and can ensure the normal working requirements of a low-temperature loop system and a high-temperature loop system.
(2) According to the technical scheme, the anti-surge chamber is arranged, so that coolant can be prevented from shaking to shield the exhaust port when a vehicle runs; the vent holes arranged on the surge-proof chamber can not only prevent the leakage of the cooling liquid, but also ensure good exhaust effect; the anti-rotation baffle is arranged at the position of the compensating liquid outlet, so that the vortex of the suction flow disturbance caused by the liquid suction of the water inlet of the engine water pump can be prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of an expansion tank in an embodiment of the utility model;
FIG. 2 is a cross-sectional view of an expansion tank with half of the tank body cut away in an embodiment of the utility model;
FIG. 3 is a sectional view of the inside of the expansion tank in the embodiment of the present invention;
fig. 4 is a schematic structural diagram of the expansion tank mounted on the radiator in the embodiment of the utility model.
Description of reference numerals: the device comprises a box body 1, a first fixing seat 2, a second fixing seat 3, a water tank pressure cover 4, a guide pipe connector 401, a vent hole 402, an exhaust pipe connector 5, a liquid level alarm sensor mounting hole 6, a first window mirror 7, a second window mirror 701, a compensation liquid connecting pipe 8, a hoisting stud 9, an anti-surge chamber 10, an exhaust hole 1001, an anti-rotation baffle 11, a ferrule connector 12, an Asia tube 13, a guide pipe 14, a fixing block 15 and a radiator 16.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
An expansion tank of a large combined radiator is shown in figures 1, 2, 3 and 4.
The box body 1 is arranged on the top of the radiator 16, and the box body 1 is a pressed rectangular closed welding structure. Both sides of box 1 all are equipped with first fixing base 2, are equipped with second fixing base 3 in the middle of the bottom of box 1, and first fixing base 2 and second fixing base 3 all pass through bolted connection with radiator 16. Two hoisting studs 9 are fixed on the top of the box body 1, and the hoisting studs 9 are connected with a radiator 16 through fixing blocks 15, as shown in fig. 1.
A water tank pressure cover 4 is installed at the top of the box body 1, the water tank pressure cover 4 is a product sold in the market, the exhaust pressure is generally selected to be 0.97bar, and the exhaust pressure can be properly increased according to the altitude increase condition of a mining automobile using place so as to overcome the condition that the atmospheric pressure is reduced and the boiling point of the cooling liquid is reduced. The lower part of the water tank pressure cover 4 is provided with a vent hole 402 to ensure that the pressure of the space above the liquid level is consistent with the atmospheric pressure; when the cooling liquid expands, the liquid level is higher than the bottom of the water tank pressure cover 4, and when the gas pressure in the box body 1 is higher than the water tank pressure cover 4, the gas is discharged out of the box body 1. A guide pipe interface 401 is arranged on one side of the water tank pressure cover 4, a guide pipe 14 is installed on the guide pipe interface 401, the guide pipe 14 is installed above the tank body 1, and the guide pipe 14 is connected with the bottom of the radiator 16. The pressure generated during the exhaust can bring some cooling liquid, and the guide pipe 14 can discharge the overflowed cooling liquid to the lower part of the automobile, so that the cooling liquid is prevented from splashing dust on the upper surface of the box body 1 and influencing the appearance.
The internal mounting of box 1 has prevents gushing room 10, prevents being equipped with the gas vent with the outside intercommunication of box 1 on the lateral wall of gushing room 10, prevents gushing room 10 and can prevent that the vehicle from rocking and sheltering from the gas vent when advancing by the cooling liquid in the expansion tank, avoids influencing the exhaust. The inside preceding lateral wall of box 1 and back lateral wall all are fixed with two and prevent gushing room 10, and the room is each other for the mirror image to prevent gushing on the preceding lateral wall and the back lateral wall on the room is prevented gushing, and the room is prevented gushing on the left side and the room is prevented gushing on the right side and is each other for the mirror image. The anti-surge chamber 10 is formed by enclosing two side walls at the top ends of the bottom plate and the fixed bottom plate and three adjacent inner side walls of the box body 1. As shown in fig. 2 and 3, the floor of the forward-left anti-surge chamber is connected to the front wall and the left side wall of the box 1, the rear wall is connected to the upper wall and the left side wall of the box 1, and the right side wall is connected to the upper wall and the front wall of the box 1.
An exhaust hole 1001 is formed in the upper portion of the side wall of the anti-surge chamber 10, the exhaust hole 1001 is communicated with the interior of the box body 1, exhaust holes in the two anti-surge chambers 10 on the left side are formed in the right side wall, and exhaust holes in the two anti-surge chambers 10 on the right side are formed in the left side wall.
In this embodiment, prevent gushing the lateral wall of room 10 and the preceding lateral wall of box 1 or the back lateral wall of box 1 as an organic whole, all be equipped with a plurality of gas vent on every prevents gushing the lateral wall of room 10, be equipped with blast pipe joint 5 on the gas vent, the one end that the gas vent was kept away from to blast pipe joint 5 adopts NPT awl screw to guarantee external connection connects the leakproofness. The exhaust pipe joint 5 is connected to an exhaust manifold of the engine and a water tank of the radiator 16. The exhaust pipe joint 5 on the leftmost and the rightmost on lateral wall and the back lateral wall before box 1 connects with the basin of radiator 16, installs cutting ferrule joint 12 on it, also installs cutting ferrule joint on the basin of radiator 16, passes through the pipe connection between two cutting ferrule joints, helps the gas in the exhaust radiator 16, and the pipeline adopts inferior reaches pipe 13, also is exactly the nylon pipe of custom name. Wherein the two bayonet fittings on the bottom of fig. 2 are bayonet fittings on the water tank of the heat sink 16.
Lateral wall lower part was equipped with two compensation liquid outlets before box 1, and two compensation liquid outlets all are equipped with and prevent revolving baffle 11, prevent revolving baffle 11 and establish inside box 1, prevent revolving baffle 11 and adopt the L type baffle of constituteing by two upper and lower baffles, and the baffle of higher authority is connected with the preceding lateral wall of box 1, and the baffle below is connected with the diapire of box 1. When the water inlet of the engine water pump absorbs water, an absorption flow disturbance vortex is caused at a compensating liquid outlet of the expansion tank, only the local liquid level of the generated vortex is lower than the position of the liquid level alarm sensor, the liquid level alarm sensor cannot send out an alarm signal, and when the local liquid level of the vortex is lower than the highest point of the compensating liquid outlet, gas is easily sucked into the engine. The anti-rotation baffle 11 can prevent the suction flow disturbance vortex from being caused at the position of the compensation liquid outlet of the expansion tank when the water inlet of the engine water pump absorbs liquid.
And the two compensation liquid outlets are respectively provided with a compensation liquid connecting pipe 8, the compensation liquid connecting pipes 8 adopt straight-through joints, the compensation liquid connecting pipes 8 are externally connected by adopting threaded connection, and the threads are sealed by adopting 24-degree conical surfaces. The 24-degree conical surface sealing can ensure the air-tight and liquid-tight sealing performance of the compensation liquid connecting pipe 8.
When the expansion tank is designed and manufactured, the positions of the exhaust port, the liquid level alarm sensor mounting hole 6, the anti-rotation baffle 11 and the compensating liquid outlet are determined according to the following requirements, as shown in figure 3.
Determining a total coolant volume Q of a cooling system based on engine and radiator related design parameters0Volume of cooling liquid Q0Cooling capacity Q of engine1+ volume of radiator Q2+ capacity Q of the connecting line between engine and radiator3(can pressEstimated as 3% of the total coolant volume); volume Q of radiator2Namely the volume of the automobile water tank;
wherein the exhaust volume in the box body 1 is the volume between the upper side wall in the box body 1 and the lowest position of the exhaust port, and the exhaust volume is not lower than the total cooling liquid volume Q 02% of;
the expansion volume of the cooling liquid in the box body 1 is the volume between the lowest position of the exhaust port and the lowest position of the pressure cover 4 of the water tank (the lowest position of the pressure cover 4 of the water tank is the bottom end of the pressure cover 4 of the water tank extending into the box body 1), and the expansion volume of the cooling liquid is not lower than the total volume Q of the cooling liquid06% of the total. Note that the cooling liquid is added initially, and the liquid level is stabilized at the position corresponding to the bottommost part of the water tank pressure cover 4;
the falling volume of the cooling liquid in the box body 1 is the volume between the bottommost position of the water tank pressure cover 4 and the lowest position of the liquid level alarm sensor mounting hole 6, and the falling volume of the cooling liquid accounts for the total volume Q of the cooling liquid06-10% of the total; determination of the falling volume of the cooling liquid and the minimum height H of the cooling liquid1There is a relationship:
minimum height H of cooling liquid in box 11The vertical distance between the lowest position of the liquid level alarm sensor mounting hole 6 and the highest position of the compensating liquid outlet is defined as the lowest height H of the cooling liquid1<When the diameter is 60mm, the falling volume of the cooling liquid accounts for the total volume Q of the cooling liquid06% of; when the lowest height H of the cooling liquid is1>When the diameter is 80mm, the falling volume of the cooling liquid accounts for the total volume Q of the cooling liquid010% of the total. Cooling liquid lower than H1Air mixed from a compensating liquid outlet enters the engine in a static state, but due to the influences of factors such as height structure limitation of an expansion tank, shaking of vehicle running, vortex generation of a suction port of a water pump of the engine at the compensating liquid outlet and the like, air is mixed when the cooling liquid reaches a liquid level alarm sensor and a compensating liquid connecting pipe, uncertainty is large, and therefore when the minimum volume height H1 of the cooling liquid is reached<When the diameter is 60mm, the falling volume of the cooling liquid accounts for the total volume Q of the cooling liquid06% of; when the minimum volume height H1 of the cooling liquid>When the diameter is 80mm, the falling volume of the cooling liquid accounts for the total volume Q of the cooling liquid010% of;
anti-rotation baffle in box body 1The vertical distance H2, H2 between the highest position of 11 and the highest position of the compensation liquid outlet does indeed contribute to the suppression of the generation of the compensation liquid outlet vortex and also to the flow resistance of the compensation liquid at the compensation liquid outlet. When H1>At 80mm, H2 is
When H1<At 60mm, H2 is
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 the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The expansion tank of the large-scale combined radiator is characterized by comprising a tank body, wherein a water tank pressure cover is arranged at the top end of the tank body; an anti-surge chamber is arranged in the box body, the outer side wall of the anti-surge chamber is provided with a plurality of exhaust ports communicated with the outside of the box body, and the side wall of the anti-surge chamber is provided with exhaust holes communicated with the inside of the box body; the box outer wall is equipped with the compensating liquid export, the compensating liquid export is equipped with prevents revolving the baffle, it establishes to prevent revolving the baffle inside the box.
2. The expansion tank of the large combined radiator as claimed in claim 1, wherein a plurality of exhaust pipe joints are arranged on the outer side wall of the tank body, the exhaust pipe joints are connected with the exhaust port, and NPT taper threads are adopted at one ends of the exhaust pipe joints far away from the tank body.
3. The expansion tank of a large combined radiator according to claim 2, wherein a plurality of the exhaust pipe joints are respectively connected with an exhaust manifold of an engine and a water tank of a radiator.
4. The expansion tank of the large combined radiator as claimed in claim 3, wherein a clamping sleeve joint is arranged on the exhaust pipe joint connected with the water tank of the radiator, and the clamping sleeve joint is connected with the water tank of the radiator through a pipeline.
5. The expansion tank of the large combined radiator as claimed in claim 1, wherein a window mirror is arranged on the side wall of the tank body opposite to the compensation liquid outlet, and a liquid level alarm sensor mounting hole is arranged above the compensation liquid outlet.
6. The expansion tank of the large combined radiator according to claim 5, wherein the volume between the upper side wall in the tank body and the lowest position of the exhaust port is not lower than 2% of the total volume of the cooling liquid; the total cooling liquid volume is the sum of the volume of an engine cooling system connected with the box body, the volume of a radiator connected with the box body and the volume of a connecting pipeline between the engine and the radiator.
7. The expansion tank of the large combined radiator according to claim 6, wherein the volume between the lowest position of the exhaust port and the lowest position of the pressure cover of the water tank is not less than 6% of the total volume of the cooling liquid;
the volume between the position of the bottommost part of the water tank pressure cover and the lowest position of the liquid level alarm sensor mounting hole is not less than 6-10% of the total cooling liquid volume;
when the vertical height between the lowest position of the liquid level alarm sensor mounting hole and the highest position of the compensating liquid outlet is greater than 80mm, the vertical height between the highest position of the anti-rotation baffle and the highest position of the compensating liquid outlet is the lowest position of the liquid level alarm sensor mounting hole and the compensating liquidVertical height between the highest positions of the outlets
When the vertical height between the lowest position of the liquid level alarm sensor mounting hole and the highest position of the compensating liquid outlet is less than 60mm, the vertical height between the highest position of the anti-rotation baffle and the highest position of the compensating liquid outlet is the vertical height between the lowest position of the liquid level alarm sensor mounting hole and the highest position of the compensating liquid outlet
8. The expansion tank of the large combined radiator according to claim 1, wherein a guide pipe is arranged on one side of the pressure cover of the water tank, and the guide pipe is connected with the bottom of the radiator; and a vent hole is arranged at the lower part of the water tank pressure cover and is arranged in the tank body.
9. The expansion tank of the large combined radiator as claimed in claim 1, wherein a compensation liquid connecting pipe is arranged on the outer side wall of the tank body, the compensation liquid connecting pipe is connected with the compensation liquid outlet, the compensation liquid connecting pipe adopts a straight-through joint, the compensation liquid connecting pipe adopts a threaded connection for external connection, and the thread adopts a 24-degree conical surface seal.
10. The expansion tank of the large combined radiator according to claim 1, wherein fixing seats are arranged on two sides and at the bottom of the tank body; and a hoisting stud is arranged at the top of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122358213.XU CN215521051U (en) | 2021-09-28 | 2021-09-28 | Expansion tank of large-scale combined radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122358213.XU CN215521051U (en) | 2021-09-28 | 2021-09-28 | Expansion tank of large-scale combined radiator |
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| Publication Number | Publication Date |
|---|---|
| CN215521051U true CN215521051U (en) | 2022-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122358213.XU Active CN215521051U (en) | 2021-09-28 | 2021-09-28 | Expansion tank of large-scale combined radiator |
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| Country | Link |
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| CN (1) | CN215521051U (en) |
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2021
- 2021-09-28 CN CN202122358213.XU patent/CN215521051U/en active Active
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