CN203337503U - Cylinder head flow resistance measuring device - Google Patents
Cylinder head flow resistance measuring device Download PDFInfo
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- CN203337503U CN203337503U CN2013203985877U CN201320398587U CN203337503U CN 203337503 U CN203337503 U CN 203337503U CN 2013203985877 U CN2013203985877 U CN 2013203985877U CN 201320398587 U CN201320398587 U CN 201320398587U CN 203337503 U CN203337503 U CN 203337503U
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- cylinder head
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Abstract
The utility model discloses a cylinder head flow resistance measuring device. The cylinder head flow resistance measuring device comprises a water storage tank, a cylinder head water inlet pipe assembly, a cylinder head water outlet pipe assembly, pressure sensors and a recorder, wherein one end of the cylinder head water inlet pipe assembly is communicated with the water storage tank through a water inlet connecting pipe, and a controllable flow water pump is arranged on the water inlet connecting pipe; one end of the cylinder head water outlet pipe assembly is communicated with the water storage tank through a water outlet connecting pipe, and a flow sensor is arranged on the water outlet connecting pipe; the pressure sensors are arranged on various cylinder head water inlet pipes of the cylinder head water inlet pipe assembly and various cylinder head water outlet pipes of the cylinder head water outlet pipe assembly respectively; the recorder is respectively connected with output ends of the various pressure sensors. The cylinder head water inlet pipe assembly and the cylinder head water outlet pipe assembly which facilitate accurate measurement of cylinder head cooling water inlet pressure and cylinder head cooling water outlet pressure are arranged on a cylinder head cooling water channel water inlet and a cylinder head cooling water channel water outlet, so water inlet and outlet flowing of a cylinder head is stabilized, and the cylinder head cooling water channel water inlet pressure and cylinder head cooling water channel water outlet pressure can be accurately measured.
Description
Technical field
The utility model relates to engine art, particularly a kind of cylinder head flow resistance measurement mechanism.
Background technology
At present, the cylinder head flow resistance refers to the flow through resistance of cylinder head cooling water channel of the liquid coolant of cylinder cover cooling system, in order accurately to calculate the cylinder head flow resistance, needs Measurement accuracy cylinder head cooling water channel intake pressure and top hole pressure.
But the available engine structure is very compact, and the rising pipe of cylinder head cooling water channel moves towards irregular, makes cylinder head cooling water channel complexity, and between cylinder block and cylinder head, distance is too small, makes the chilled water can't be in cylinder head cooling water channel import steady flow.This has caused very big difficulty to Measurement accuracy cylinder head cooling water channel intake pressure and top hole pressure, thereby can't further accurately calculate the cylinder head flow resistance.
The utility model content
The utility model is in order to overcome defect in above-mentioned prior art, provide a kind of simple and reasonable, the gentle cylinder cover water outlet pipe assembly of cylinder head water inlet pipe component of Measurement accuracy cylinder head cooling water channel water-in and water-out pressure is convenient in employing in the setting of cylinder head cooling water channel entery and delivery port, stablize the cylinder head water inlet, gone out water flow, can accurately calculate the cylinder head flow resistance measurement mechanism of cylinder head flow resistance.
For achieving the above object, provide a kind of cylinder head flow resistance measurement mechanism according to the utility model, comprising:
Reserve tank, the liquid coolant of measuring for holding the cylinder head flow resistance;
The cylinder head water inlet pipe component, it comprises and the water inlet of cylinder head to be measured many cylinder head water inlet pipes of corresponding connection one by one, and each root cylinder head water inlet pipe is straight, internal aperture is consistent with the water inlet bore of cylinder head; One end of cylinder head water inlet pipe component is taken over reserve tank and is communicated with by water inlet, and water inlet is provided with the flow-controllable water pump on taking over;
The cylinder head outlet pipe component, it comprises and the water delivering orifice of cylinder head to be measured many cylinder head rising pipes of corresponding connection one by one, and each root cylinder head rising pipe is straight, internal aperture is consistent with the water outlet aperture of cylinder head; One end of cylinder head outlet pipe component is communicated with reserve tank by the water outlet adapter, and water outlet is provided with flow sensor on taking over;
Pressure transducer, be separately positioned on each root cylinder head rising pipe of the gentle cylinder cover water outlet pipe assembly of each root cylinder head water inlet pipe of cylinder head water inlet pipe component;
Register, be connected with the output terminal of each pressure transducer respectively, for recording the coolant pressure value of preserving cylinder head water inlet pipe component, cylinder head outlet pipe component.
In technique scheme, each root cylinder head water inlet pipe of cylinder head water inlet pipe component arranges by the water inlet shape of the cylinder head be communicated with it respectively; Each root cylinder head rising pipe of cylinder head outlet pipe component arranges by the water delivering orifice shape of the cylinder head be communicated with it respectively.
In technique scheme, the length of each root cylinder head water inlet pipe is equal to or greater than 8 times of maximum endoporus aperture in the cylinder head water inlet pipe; The length of each root cylinder head rising pipe is equal to or greater than 8 times of maximum endoporus aperture in the cylinder head rising pipe.
In technique scheme, each root cylinder head water inlet pipe offers the shoulder hole vertical with its axis with the middle part of Ge Gen cylinder head rising pipe, the external macro pores of this shoulder hole is for installing with pressure transducer the threaded hole that threaded engagement is spirally connected, and its inner aperture is pick-up hole.
In technique scheme, the diameter of pick-up hole is 3mm.
In technique scheme, pressure transducer is connected with each root cylinder head water inlet pipe or each root cylinder head rising pipe by the guide pressure pipe
In technique scheme, effective internal diameter that water inlet is taken over is suitable with each root cylinder head water inlet pipe internal diameter summation of cylinder head water inlet pipe component, and effective internal diameter that water outlet is taken over is suitable with each root cylinder head rising pipe internal diameter summation of cylinder head outlet pipe component.
In technique scheme, the water inlet adapter needs rounding off with being connected of water pump and cylinder head water inlet pipe component; The water outlet adapter needs rounding off with being connected of flow sensor and cylinder head outlet pipe component.
Compared with prior art, the utlity model has following beneficial effect: this cylinder head flow resistance measurement mechanism adopts the gentle cylinder cover water outlet pipe assembly of cylinder head water inlet pipe component of being convenient to Measurement accuracy cylinder head cooling water channel water-in and water-out pressure in the setting of cylinder head cooling water channel entery and delivery port, stablize the cylinder head water inlet, gone out water flow, can Measurement accuracy cylinder head cooling water channel water-in and water-out pressure, and calculating the cylinder head flow resistance, measuring accuracy is high.
The accompanying drawing explanation
The structural representation that Fig. 1 is cylinder head flow resistance measurement mechanism of the present utility model;
The structural representation of the cylinder head water inlet pipe component that Fig. 2 is cylinder head flow resistance measurement mechanism of the present utility model (or cylinder head outlet pipe component);
The structural representation of the cylinder head water inlet pipe component that Fig. 3 is cylinder head flow resistance measurement mechanism of the present utility model (or cylinder head outlet pipe component) pick-up hole;
Description of reference numerals:
The 1-cylinder head, the 2-reserve tank, the 3-water pump, 4-cylinder head water inlet pipe component, the 41-adapter of intaking, 5-cylinder head outlet pipe component, the 51-water outlet is taken over, 52-flow sensor, 6-register, 7-pressure transducer, 71-threaded hole, 72-pick-up hole.
Embodiment
Below in conjunction with accompanying drawing, an embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subject to the restriction of embodiment.It will be appreciated that, mentioned in following embodiment of the present utility model " on ", D score, " left side ", " right side ", " front " and " reverse side " all take the direction shown in each figure as benchmark, these words that are used for limiting direction are only for convenience of explanation, do not represent the restriction to the concrete technical scheme of the utility model.
Cylinder head flow resistance measurement mechanism of the present utility model adopts the gentle cylinder cover water outlet pipe assembly of cylinder head water inlet pipe component of being convenient to Measurement accuracy cylinder head cooling water channel water-in and water-out pressure in the setting of cylinder head cooling water channel entery and delivery port, stablize the cylinder head water inlet, gone out water flow, can accurately calculate the cylinder head flow resistance.
As shown in Figure 1 to Figure 3, for intake pressure, the discharge pressure of accurately measuring engine cylinder cap 1 cooling water channel, respectively at the water inlet of cylinder head 1, cylinder head water inlet pipe component, the cylinder head outlet pipe component that water delivering orifice is provided for stationary flow.The concrete structure of this cylinder head flow resistance measurement mechanism comprises: reserve tank 2, water pump 3, cylinder head water inlet pipe component 4, cylinder head outlet pipe component 5 and register 6, and be separately positioned on the pressure transducer 7 on cylinder head water inlet pipe component 4, cylinder head outlet pipe component 5.Wherein, the water inlet end of the gentle cylinder cover water outlet pipe assembly 5 in the water side of cylinder head water inlet pipe component 4 is communicated with water inlet, the water delivering orifice of cylinder head 1 respectively, the liquid coolant that is used for accepting cylinder cover cooling system is to stablize its current, and 7 pairs of water flow pressure of pressure transducer (cylinder head cooling water channel water-in and water-out pressure) of being convenient to be arranged on cylinder head water inlet pipe component 4, cylinder head outlet pipe component 5 are measured.The water side of the gentle cylinder cover water outlet pipe assembly 5 of the water inlet end of cylinder head water inlet pipe component 4 is taken over 51 by corresponding water inlet adapter 41, water outlet and is communicated with water delivering orifice, the water inlet of reserve tank 2 respectively, water pump 3 is arranged on into water and takes on 41, for controlling the flow that is entered cylinder head water inlet pipe component 4 by reserve tank 2.Water outlet is taken on 51 and also is provided with flow sensor 52, and for measuring the flow of cylinder cover cooling system liquid coolant, the resistance of the flow sensor that flow sensor 52 is selected is as far as possible little and range is suitable.
The liquid coolant that reserve tank 2 is measured for holding the cylinder head flow resistance, starting point and terminal that it constantly circulates successively as liquid coolant between cylinder head water inlet pipe component 4, the gentle cylinder cover water outlet pipe assembly 5 of cylinder head 1.
Water pump 3 is the flow-controllable water pump, is arranged on into water and takes on 41, for controlling the flow that is entered cylinder head water inlet pipe component 4 by reserve tank 2.
As shown in Figures 2 and 3, cylinder head water inlet pipe component 4 comprises and a plurality of water inlets of cylinder head 1 many cylinder head water inlet pipes one to one, and the water inlet shape of pressing respectively cylinder head 1 arranges, and each root cylinder head water inlet pipe is straight, internal aperture is consistent with the water inlet bore of cylinder head 1, and the length of each root cylinder head water inlet pipe is equal to or greater than 8 times of maximum endoporus in the cylinder head water inlet pipe.The middle part of each root cylinder head water inlet pipe offers the shoulder hole vertical with its axis, and the external macro pores of this shoulder hole is threaded hole 71, for pressure transducer, threaded engagement being installed, is spirally connected, pressure transducer 7 is fixed to each root cylinder head water inlet pipe middle part; The inner aperture of this shoulder hole is pick-up hole 72, and diameter is preferably 3mm, and pressure transducer 7 is detected by the pressure of 72 pairs of cylinder head water inlet pipe component 4 interior liquid coolants of pick-up hole.Pressure transducer 7 can also be connected with each root cylinder head water inlet pipe by the guide pressure pipe, and its range should be selected suitably.
Equally, cylinder head outlet pipe component 5 comprises and a plurality of water delivering orifices of cylinder head 1 many cylinder head rising pipes one to one, and the water delivering orifice shape of pressing respectively cylinder head 1 arranges, and each root cylinder head rising pipe is straight, internal aperture is consistent with the water outlet aperture of cylinder head 1, and the length of each root cylinder head rising pipe is equal to or greater than 8 times of maximum endoporus in the cylinder head rising pipe.The middle part of each root cylinder head rising pipe offers the shoulder hole vertical with its axis, and the external macro pores of this shoulder hole is threaded hole, for pressure transducer, threaded engagement being installed, is spirally connected, pressure transducer 7 is fixed to each root cylinder head rising pipe middle part; The inner aperture of this shoulder hole is pick-up hole, and diameter is preferably 3mm, and by pick-up hole, the pressure to cylinder head outlet pipe component 5 interior liquid coolants is detected pressure transducer 7.Pressure transducer 7 can also be by being connected of guide pressure pipe and each root cylinder head rising pipe, and its range should be selected suitably.
In addition, in order to meet cylinder head 1 water channel drag measurement, need the applicable reserve tank of selection capacity 2, effective internal diameter of water inlet adapter 41 is suitable with each root cylinder head water inlet pipe internal diameter summation of cylinder head water inlet pipe component 4, and it needs rounding off with being connected of water pump 3 and cylinder head water inlet pipe component 4, to avoid producing turbulent flow in the coolant flow process, affect piezometry.Effective internal diameter of water outlet adapter 51 is suitable with each root cylinder head rising pipe internal diameter summation of cylinder head outlet pipe component 5, and it needs rounding off with being connected of flow sensor 52 and cylinder head outlet pipe component 5, to avoid producing turbulent flow in the coolant flow process, affect piezometry.
Register 6 is connected with the output terminal of each pressure transducer 7 respectively, for recording the force value of preserving cylinder head water inlet pipe component 4, cylinder head outlet pipe component 5.Like this, at the cooling water flow weight range of covering engine work, set the test cooling water flow, the cylinder head intake pressure is measured in the cylinder cap water inlet pipe component 4 of waterflow stabilization, the cylinder block discharge pressure is measured in the cylinder head outlet pipe component 5 of waterflow stabilization.Measured value is preserved in register 6, according to measured value, just can calculate accurately cylinder head flow resistance (resistance that certain flow is corresponding).
While measuring the cylinder head flow resistance, water pump 3 is controlled flow, take over 41 through water inlet extracts liquid coolant out from reserve tank 2, liquid coolant is in 4 steady flows of cylinder head water inlet pipe component, and then deliver to cylinder head 1, liquid coolant from cylinder head 1 out in 5 steady flows of cylinder head outlet pipe component, take over 51 finally by water outlet and be back to reserve tank 2.Chilled water constantly circulates like this successively between cylinder head water inlet pipe component 4, cylinder head 1, cylinder head outlet pipe component 5, and is measured by the pressure of 7 pairs of cylinder head water inlet pipe components 4 of pressure transducer, cylinder head outlet pipe component 5.
To sum up, this cylinder head flow resistance measurement mechanism adopts the gentle cylinder cover water outlet pipe assembly of cylinder head water inlet pipe component of being convenient to Measurement accuracy cylinder head cooling water channel water-in and water-out pressure in the setting of cylinder head cooling water channel entery and delivery port, stablize the cylinder head water inlet, gone out water flow, can Measurement accuracy cylinder head cooling water channel water-in and water-out pressure, and calculating the cylinder head flow resistance, measuring accuracy is high.
Above disclosed be only several specific embodiment of the present utility model, still, the utility model is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (8)
1. a cylinder head flow resistance measurement mechanism, is characterized in that, comprising:
Reserve tank, the liquid coolant of measuring for holding the cylinder head flow resistance;
The cylinder head water inlet pipe component, it comprises and the water inlet of cylinder head to be measured many cylinder head water inlet pipes of corresponding connection one by one, and each root cylinder head water inlet pipe is straight, internal aperture is consistent with the water inlet bore of described cylinder head; One end of cylinder head water inlet pipe component is taken over reserve tank and is communicated with by water inlet, and described water inlet is provided with the flow-controllable water pump on taking over;
The cylinder head outlet pipe component, it comprises and the water delivering orifice of cylinder head to be measured many cylinder head rising pipes of corresponding connection one by one, and each root cylinder head rising pipe is straight, internal aperture is consistent with the water outlet aperture of described cylinder head; One end of cylinder head outlet pipe component is communicated with reserve tank by the water outlet adapter, and described water outlet is provided with flow sensor on taking over;
Pressure transducer, be separately positioned on each root cylinder head rising pipe of the gentle cylinder cover water outlet pipe assembly of each root cylinder head water inlet pipe of cylinder head water inlet pipe component;
Register, be connected with the output terminal of each pressure transducer respectively, for recording the coolant pressure value of preserving cylinder head water inlet pipe component, cylinder head outlet pipe component.
2. cylinder head flow resistance measurement mechanism according to claim 1 is characterized in that: each root cylinder head water inlet pipe of described cylinder head water inlet pipe component arranges by the water inlet shape of the cylinder head be communicated with it respectively; Each root cylinder head rising pipe of described cylinder head outlet pipe component arranges by the water delivering orifice shape of the cylinder head be communicated with it respectively.
3. cylinder head flow resistance measurement mechanism according to claim 1 is characterized in that: the length of described each root cylinder head water inlet pipe is equal to or greater than 8 times of maximum endoporus aperture in the cylinder head water inlet pipe; The length of described each root cylinder head rising pipe is equal to or greater than 8 times of maximum endoporus aperture in the cylinder head rising pipe.
4. cylinder head flow resistance measurement mechanism according to claim 1, it is characterized in that: described each root cylinder head water inlet pipe offers the shoulder hole vertical with its axis with the middle part of Ge Gen cylinder head rising pipe, the external macro pores of this shoulder hole is for installing with pressure transducer the threaded hole that threaded engagement is spirally connected, and its inner aperture is pick-up hole.
5. cylinder head flow resistance measurement mechanism according to claim 4, it is characterized in that: the diameter of described pick-up hole is 3mm.
6. cylinder head flow resistance measurement mechanism according to claim 1, it is characterized in that: described pressure transducer is connected with described each root cylinder head water inlet pipe or each root cylinder head rising pipe by the guide pressure pipe.
7. according to the described cylinder head flow resistance of any one in claim 1 to 6 measurement mechanism, it is characterized in that: effective internal diameter that described water inlet is taken over is suitable with each root cylinder head water inlet pipe internal diameter summation of cylinder head water inlet pipe component, and effective internal diameter that described water outlet is taken over is suitable with each root cylinder head rising pipe internal diameter summation of cylinder head outlet pipe component.
8. cylinder head flow resistance measurement mechanism according to claim 7, it is characterized in that: described water inlet adapter needs rounding off with being connected of water pump and cylinder head water inlet pipe component; Described water outlet adapter needs rounding off with being connected of flow sensor and cylinder head outlet pipe component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203985877U CN203337503U (en) | 2013-07-05 | 2013-07-05 | Cylinder head flow resistance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203985877U CN203337503U (en) | 2013-07-05 | 2013-07-05 | Cylinder head flow resistance measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN203337503U true CN203337503U (en) | 2013-12-11 |
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ID=49706172
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203985877U Withdrawn - After Issue CN203337503U (en) | 2013-07-05 | 2013-07-05 | Cylinder head flow resistance measuring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203337503U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411853A (en) * | 2013-07-05 | 2013-11-27 | 广西玉柴机器股份有限公司 | Flow resistance measuring device of cylinder cover |
-
2013
- 2013-07-05 CN CN2013203985877U patent/CN203337503U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411853A (en) * | 2013-07-05 | 2013-11-27 | 广西玉柴机器股份有限公司 | Flow resistance measuring device of cylinder cover |
| CN103411853B (en) * | 2013-07-05 | 2015-10-28 | 广西玉柴机器股份有限公司 | Cylinder head flow resistance measurement mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131211 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |