CN209624064U - Engine rig test water circulating exhaust stable-pressure device - Google Patents
Engine rig test water circulating exhaust stable-pressure device Download PDFInfo
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- CN209624064U CN209624064U CN201822262044.8U CN201822262044U CN209624064U CN 209624064 U CN209624064 U CN 209624064U CN 201822262044 U CN201822262044 U CN 201822262044U CN 209624064 U CN209624064 U CN 209624064U
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Abstract
The utility model provides a kind of engine rig test water circulating exhaust stable-pressure device applied to engine rig test equipment technical field, tracheae I (1) one end of engine rig test water circulating exhaust stable-pressure device is connected to compressed air air pump (17), tracheae I (1) other end is connected to expansion tank (5), ball valve b (6) are set between tracheae I (1) and compressed air air pump (17), (4) one end tracheae f is connected to the exhaust pipe of engine (7), tracheae I (1) is connected to tracheae d (2) one end, tracheae f (4) other end is connected to tracheae e (3) one end, tracheae d (2) other end is connected to tracheae e (3) and tracheae f (4) engaging portion, the engine rig test water circulating exhaust stable-pressure device of the utility model, it is capable of providing needed for bench test engine Intake pressure, and voltage stabilizing function can be realized by outside the remaining removal of bubbles to water circulation system of bench test engine interior.
Description
Technical field
The utility model belongs to engine rig test equipment technical field, is to be related to a kind of engine more specifically
Bench test water circulating exhaust stable-pressure device.
Background technique
When engine carries out bench test, in order to guarantee the intake pressure Pass Test operating condition of bench test engine
Requirement, need to control engine test with intake pressure.Current water termostat equipment can not provide engine test
Required intake pressure.And bench test engine still has gas residue in engine machine when adding anti-icing fluid for the first time
In body or water thermostat, along with the effect of water pump, and generate more gases so that the intake pressure fluctuation of engine and
It is uncontrollable, so that the data of engine rig test often have relatively large deviation, it is unfavorable for engine rig test, restricts hair
The research and development process and precision of motivation.
Utility model content
The technical problem to be solved by the utility model is in view of the shortcomings of the prior art, to provide a kind of structure simple, it can
Intake pressure needed for bench test engine is provided, so that water inflow of the engine pressure controllable, and can be by bench test with starting
Outside removal of bubbles to water circulation system that is machine internal residual and being generated in operation process, while avoiding in engine-cooling system
Cavitation erosion, water temperature over-high the phenomenon that, to guarantee running smooth for engine test, improve test stability and experimental result be accurate
The engine rig test water circulating exhaust stable-pressure device of property.
Solve the problems, such as techniques discussed above, the technical solution that the utility model is taken are as follows:
The utility model is a kind of engine rig test water circulating exhaust stable-pressure device, the engine rig test
Water circulating exhaust stable-pressure device includes tracheae I, tracheae d, tracheae e, tracheae f, and described I one end of tracheae and compressed air air pump connect
Logical, I other end of tracheae is connected to expansion tank, setting ball valve b between tracheae I and compressed air air pump, the one end tracheae f with start
The connection of machine exhaust pipe, tracheae I are connected to the one end tracheae d, and the tracheae f other end is connected to the one end tracheae e, the tracheae d other end and gas
Pipe e is connected to the engaging portion tracheae f, and the tracheae e other end is connected to evaporator, and evaporator is connected to water inflow of the engine pipe, evaporator
It is connected to simultaneously with expansion tank, the evaporator is connected to cooling water pipe of engine, and the engine is bench test use
Engine.
The tracheae I includes tracheae a, tracheae c, and described one end tracheae a is connected to ball valve b, the one end tracheae c and expansion
Kettle connection, the tracheae a other end, the tracheae c other end, the one end tracheae d are connected to by threeway I, what tracheae c was connected to expansion tank
One end is connected to the threeway II in expansion tank, and the tracheae d other end, the tracheae f other end, the tracheae e other end are connected by threeway III
It is logical.
The expansion tank includes vertically arranged liquid level charactron, and threeway II is mounted on liquid level charactron, tracheae c
It is connected to the threeway II on liquid level charactron.
The aperture of the ball valve b is configured to the structure adjusted between 0 ° of -90 ° of range；The tracheae a, tracheae
C, tracheae d, tracheae e, tracheae f are lucite pipe, and threeway I, threeway II, threeway III are structure made of plastic material.
When the bench test is run with engine, the remaining gas of engine interior and water pump vane agitation under produce
Raw bubble is configured to flow to tracheae d along tracheae e, tracheae f, then enters the structure in expansion tank from tracheae c；Institute
When the actual pressure numerical value accumulated inside the expansion tank stated is higher than the pressure release numerical value of setting, expansion tank is configured to outward
The structure of portion's pressure release.
The tracheae a, tracheae c, tracheae d, tracheae e, tracheae f are all made of inner wall smooth, become without blocking, be not easy expansion
Shape, be not easy absciss layer, plastic material resistant to chemical etching is made.
Using the technical solution of the utility model, can obtain it is below the utility model has the advantages that
The engine rig test water circulating exhaust stable-pressure device of the utility model, carries out platform with engine in bench test
Before frame test, when engine fills engine coolant for the first time, the gas for being vented stable-pressure device and engine interior is arranged
Out to outside engine test system, then ball valve b is opened, is pressurizeed to the cooling water of engine test system.In conjunction with starting
The operating condition of test of machine sets required hydraulic pressure value by adjusting the aperture of ball valve b, it will be able to reliable to realize water inflow of the engine pressure
Power is controllable.And during engine operating, the gas of internal residual and the gas generated under the agitation of water pump vane
It steeps oneself-meeting and converges to tracheae d along the tracheae e, tracheae f, enter the expansion tank eventually by tracheae e, work as swelling water
Inside pot it is pressure accumulated be more than pressure release value when, expansion tank just starts pressure release, gas is discharged, to realize voltage stabilizing function.
By above scheme it is found that being pressurizeed by tracheae a, c to expansion tank when engine carries out bench test, and by described
Ball valve b carry out pressure adjustment, intake pressure needed for engine is provided；When the gas generated in engine operation process,
It will be transmitted to system expansion tank through the tracheae e, tracheae f, and the pressure of expansion tank accumulation is greater than letting out for expansion tank
Pressure value starts pressure release exhaust, is exhausted to engine rig test water termostat equipment and pressure stabilizing in this way, it is possible to reliably realize
Effect.The engine rig test water circulating exhaust stable-pressure device of the utility model, structure is simple, is capable of providing bench test use
Intake pressure needed for engine so that water inflow of the engine pressure controllable, and can bench test engine interior is remaining and
Outside the removal of bubbles to water circulation system generated in operation process, while avoiding cavitation erosion in engine-cooling system, water temperature mistake
High phenomenon improves test stability and experimental result accuracy to guarantee running smooth for engine test.
Detailed description of the invention
Brief description is made to content expressed by each attached drawing of this specification and the label in figure below:
Fig. 1 is the structural schematic diagram of engine rig test water circulating exhaust stable-pressure device described in the utility model；
Attached drawing acceptance of the bid note is respectively as follows: 1, tracheae I；2, tracheae d；3, tracheae e；4, tracheae f；5, expansion tank；6, ball valve b；
7, the exhaust pipe of engine；8, evaporator；9, water inflow of the engine pipe；10, cooling water pipe of engine；11, tracheae a；12, tracheae c；
13, threeway I；14, threeway II；15, threeway III；16, liquid level charactron；17, compressed air air pump.
Specific embodiment
Below against attached drawing, by the description of the embodiment, such as related to specific embodiment of the present utility model
The shape of each component, construction, the mutual alignment between each section and connection relationship, the effect of each section and working principle etc. make into
The detailed description of one step:
As shown in Fig. 1, the utility model is a kind of engine rig test water circulating exhaust stable-pressure device, the hair
Motivation bench test water circulating exhaust stable-pressure device includes tracheae I 1, tracheae d2, tracheae e3, tracheae f4, the tracheae I 11
End is connected to compressed air air pump 17, and I 1 other end of tracheae is connected to expansion tank 5, between tracheae I 1 and compressed air air pump 17
Ball valve b6 is set, and the one end tracheae f4 is connected to the exhaust pipe of engine 7, and tracheae I 1 is connected to the one end tracheae d2, the tracheae f4 other end
It is connected to the one end tracheae e3, the tracheae d2 other end is connected to tracheae e3 and the engaging portion tracheae f4, the tracheae e3 other end and evaporator 8
Connection, evaporator 8 are connected to water inflow of the engine pipe 9, and evaporator 8 is connected to expansion tank 5 simultaneously, the evaporator 8 and hair
Motivation cooling water pipe 10 is connected to, and the engine is bench test engine.Above structure, in bench test engine
Before carrying out bench test, when engine fills engine coolant for the first time, the gas of stable-pressure device and engine interior will be vented
Body is discharged to outside engine test system, then opens ball valve b, is pressurizeed to the cooling water of engine test system.It ties again
The operating condition of test of engine is closed, required hydraulic pressure value is set by adjusting the aperture of ball valve b, in this way, it is possible to reliably realize
Water inflow of the engine pressure controllable.And during engine operating, the gas of internal residual and stirring in water pump vane
The dynamic lower bubble generated can converge to tracheae d2 along the tracheae e3, tracheae f4, enter eventually by tracheae e3 described
Expansion tank 5, inside expansion tank 5 it is pressure accumulated be more than pressure release value when, expansion tank 5 just starts pressure release, and gas is arranged
Out, to realize voltage stabilizing function.By above scheme it is found that air compressor passes through tracheae I when engine carries out bench test
1 pressurizes to expansion tank, and the adjustment of pressure size is carried out by the ball valve b6, provides bench test engine
Required intake pressure；When the gas generated in engine operation process, through the tracheae e, that tracheae f will be transmitted to system is swollen
Swollen kettle, and the pressure of expansion tank accumulation is greater than the pressure release value of expansion tank, starts pressure release exhaust, in this way, it is possible to reliably
It realizes and is exhausted to engine rig test water termostat equipment and pressure stabilization function.Engine pedestal examination described in the utility model
Water circulating exhaust stable-pressure device is tested, structure is simple, intake pressure needed for being capable of providing bench test engine, so that engine
Intake pressure is controllable, but can by bench test with engine interior is remaining and operation process in the removal of bubbles that generates followed to water
Outside loop system, while the phenomenon that avoid cavitation erosion in engine-cooling system, water temperature over-high, to guarantee the smooth of engine test
Progress improves test stability and experimental result accuracy.
The tracheae I 1 includes tracheae a11, tracheae c12, and described one end tracheae a11 is connected to ball valve b6, tracheae c12 mono-
End is connected to expansion tank 5, and the tracheae a11 other end, the tracheae c12 other end, the one end tracheae d2 are connected to by threeway I 13, tracheae
One end that c12 is connected to expansion tank 5 is connected to the threeway II 14 in expansion tank 5, and the tracheae d2 other end, tracheae f4 are another
End, the tracheae e3 other end are connected to by threeway III 15.In this way, tracheae I 1 includes tracheae a11, tracheae c12, pressure adjusting is being carried out
When, regulation ball valve b, gas once passes through tracheae a, tracheae c enters expansion tank, intake pressure needed for providing engine.
The expansion tank 5 includes vertically arranged liquid level charactron 16, and threeway II 14 is mounted on liquid level charactron 16
On, tracheae c12 is connected to the threeway II 14 on liquid level charactron 16.Above structure, liquid level charactron realize expansion tank liquid level
It checks, and tracheae c12 and expansion tank reliable connected are realized in threeway II 14.
The aperture of the ball valve b6 is configured to the structure adjusted between 0 ° of -90 ° of range；It can be adjusted according to the needs
Ball valve b aperture meets bench test engine and needs hydraulic pressure；Tracheae a11, tracheae c12, tracheae d2, tracheae e3, tracheae f4 are
Lucite pipe, threeway I 13, threeway II 14, threeway III 15 are structure made of plastic material.Shanghai Soviet Union structure, convenient for examination
Tracheae and threeway reliable performance when testing progress.
When the bench test is run with engine, the remaining gas of engine interior and water pump vane agitation under produce
Raw bubble is configured to flow to tracheae d2 along tracheae e3, tracheae f4, then enters in expansion tank 5 from tracheae c12
Structure；When the actual pressure numerical value accumulated inside the expansion tank 5 is higher than the pressure release numerical value of setting, expansion tank 5 is arranged
For can be to the structure of external pressure release.
The tracheae a11, tracheae c12, tracheae d2, tracheae e3, tracheae f4 are all made of inner wall smooth, without blocking, be not easy
Dilatancy, be not easy absciss layer, plastic material resistant to chemical etching is made.
The engine rig test water circulating exhaust stable-pressure device of the utility model, carries out platform with engine in bench test
Before frame test, when engine fills engine coolant for the first time, the gas for being vented stable-pressure device and engine interior is arranged
Out to outside engine test system, then ball valve b is opened, is pressurizeed to the cooling water of engine test system.In conjunction with starting
The operating condition of test of machine sets required hydraulic pressure value by adjusting the aperture of ball valve b, it will be able to reliable to realize water inflow of the engine pressure
Power is controllable.And during engine operating, the gas of internal residual and the gas generated under the agitation of water pump vane
It steeps oneself-meeting and converges to tracheae d along the tracheae e, tracheae f, enter the expansion tank eventually by tracheae e, work as swelling water
Inside pot it is pressure accumulated be more than pressure release value when, expansion tank just starts pressure release, gas is discharged, to realize voltage stabilizing function.
By above scheme it is found that being pressurizeed by tracheae a, c to expansion tank when engine carries out bench test, and by described
Ball valve b carry out pressure adjustment, intake pressure needed for engine is provided；When the gas generated in engine operation process,
It will be transmitted to system expansion tank through the tracheae e, tracheae f, and the pressure of expansion tank accumulation is greater than letting out for expansion tank
Pressure value starts pressure release exhaust, is exhausted to engine rig test water termostat equipment and pressure stabilizing in this way, it is possible to reliably realize
Effect.The engine rig test water circulating exhaust stable-pressure device of the utility model, structure is simple, is capable of providing bench test use
Intake pressure needed for engine so that water inflow of the engine pressure controllable, and can bench test engine interior is remaining and
Outside the removal of bubbles to water circulation system generated in operation process, while avoiding cavitation erosion in engine-cooling system, water temperature mistake
High phenomenon improves test stability and experimental result accuracy to guarantee running smooth for engine test.
Engine rig test water circulating exhaust stable-pressure device described in the utility model, it is compressed gas, ball valve b, multiple
Tracheae, multiple threeways cooperate, and are linked into when engine rig test water termostat equipment may be implemented, and may be implemented to start
Machine frame tests the effect of exhaust and the pressure stabilizing of water termostat equipment, to ensure the normal development of engine test work, for research and development
Test provides more accurate test data, promotes the research and development process of engine.
Illustrative description is carried out to the utility model above in conjunction with attached drawing, it is clear that the utility model concrete implementation is simultaneously
It is not limited by aforesaid way, if the method concept of the utility model and the various improvement of technical solution progress are used, or
It is not improved that the conception and technical scheme of the utility model are directly applied into other occasions, in the protection of the utility model
In range.
Claims (6)
1. a kind of engine rig test water circulating exhaust stable-pressure device, it is characterised in that: the engine rig test water
Circulating exhaust stable-pressure device includes tracheae I (1), tracheae d (2), tracheae e (3), tracheae f (4), described tracheae I (1) one end with
Compressed air air pump (17) connection, tracheae I (1) other end are connected to expansion tank (5), tracheae I (1) and compressed air air pump
(17) ball valve b (6) are set between, (4) one end tracheae f is connected to the exhaust pipe of engine (7), tracheae I (1) and tracheae d (2) one end
Connection, tracheae f (4) other end are connected to tracheae e (3) one end, and tracheae d (2) other end and tracheae e (3) and tracheae f (4) combine
Portion's connection, tracheae e (3) other end are connected to evaporator (8), and evaporator (8) is connected to water inflow of the engine pipe (9), evaporator (8)
It is connected to simultaneously with expansion tank (5), the evaporator (8) is connected to cooling water pipe of engine (10), and the engine is
Bench test engine.
2. engine rig test water circulating exhaust stable-pressure device according to claim 1, it is characterised in that: the gas
Pipe I (1) includes tracheae a (11), tracheae c (12), and described (11) one end tracheae a is connected to ball valve b (6), tracheae c (12) one end
It is connected to expansion tank (5), tracheae a (11) other end, tracheae c (12) other end, (2) one end tracheae d are connected by threeway I (13)
Logical, one end that tracheae c (12) is connected to expansion tank (5) is connected to the threeway II (14) on expansion tank (5), and tracheae d (2) is another
One end, tracheae f (4) other end, tracheae e (3) other end are connected to by threeway III (15).
3. engine rig test water circulating exhaust stable-pressure device according to claim 2, it is characterised in that: described is swollen
Swollen kettle (5) includes vertically arranged liquid level charactron (16), and threeway II (14) is mounted on liquid level charactron (16), tracheae c
(12) it is connected to the threeway II (14) on liquid level charactron (16).
4. engine rig test water circulating exhaust stable-pressure device according to claim 2 or 3, it is characterised in that: described
The aperture of ball valve b (6) be configured to the structure adjusted between 0 ° of -90 ° of range；The tracheae a (11), tracheae c (12),
Tracheae d (2), tracheae e (3), tracheae f (4) are lucite pipe, and threeway I (13), threeway II (14), threeway III (15) are
Structure made of plastic material.
5. engine rig test water circulating exhaust stable-pressure device according to claim 2 or 3, it is characterised in that: rack
When development engine is run, the remaining gas of engine interior and the bubble generated under water pump vane agitation are configured to
It is flow to tracheae d (2) along tracheae e (3), tracheae f (4), then enters the structure in expansion tank (5) from tracheae c (12)；It is described
Expansion tank (5) inside accumulate actual pressure numerical value be higher than setting pressure release numerical value when, expansion tank (5) is configured to
To the structure of external pressure release.
6. engine rig test water circulating exhaust stable-pressure device according to claim 2, it is characterised in that: the gas
Pipe a (11), tracheae c (12), tracheae d (2), tracheae e (3), tracheae f (4) be all made of inner wall smooth, without block, be not easy expansion become
Shape, be not easy absciss layer, plastic material resistant to chemical etching is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822262044.8U CN209624064U (en) | 2018-12-30 | 2018-12-30 | Engine rig test water circulating exhaust stable-pressure device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822262044.8U CN209624064U (en) | 2018-12-30 | 2018-12-30 | Engine rig test water circulating exhaust stable-pressure device |
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| Publication Number | Publication Date |
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| CN209624064U true CN209624064U (en) | 2019-11-12 |
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ID=68448313
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822262044.8U Active CN209624064U (en) | 2018-12-30 | 2018-12-30 | Engine rig test water circulating exhaust stable-pressure device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781417A (en) * | 2018-12-30 | 2019-05-21 | 江西腾勒动力有限公司 | A kind of engine rig test water circulating exhaust stable-pressure device |
-
2018
- 2018-12-30 CN CN201822262044.8U patent/CN209624064U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781417A (en) * | 2018-12-30 | 2019-05-21 | 江西腾勒动力有限公司 | A kind of engine rig test water circulating exhaust stable-pressure device |
| CN109781417B (en) * | 2018-12-30 | 2024-04-26 | 江西腾勒动力有限公司 | Water circulation exhaust pressure stabilizing device for engine bench test |
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