CN202693313U - Water circulation system for engine pedestal test - Google Patents
Water circulation system for engine pedestal test Download PDFInfo
- Publication number
- CN202693313U CN202693313U CN 201220321272 CN201220321272U CN202693313U CN 202693313 U CN202693313 U CN 202693313U CN 201220321272 CN201220321272 CN 201220321272 CN 201220321272 U CN201220321272 U CN 201220321272U CN 202693313 U CN202693313 U CN 202693313U
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- engine
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- thermostat
- pipe
- liquid
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Abstract
The utility model discloses a water circulation system for an engine pedestal test. A liquid outlet of a thermostat is connected in series with a booster pump and a first solenoid valve through a pipeline and then is connected with a first port of a first three-way connector. A second port of the first three-way connector is connected with a liquid return opening of the thermostat through a water return pipe. A third port of the first three-way connector is connected with a first port of a second three-way connector through a pipeline. A second port of the second three-way connector is connected in series with a second solenoid valve through a pipeline and then is divided into two paths. One path is connected with an electric air valve, and the other path is connected with a water-draining bolt hole of an engine. A third port of the second three-way connector is connected with a water inlet of the engine through a water inlet pipe of the engine. A water outlet of the engine is connected with a liquid inlet of the thermostat through a water outlet pipe of the engine. According to the water circulation system for the engine pedestal test, the thermostat and the engine are additionally arranged to form a cooling water route circulation system, and therefore components and parts of the engine can be effectively prevented from being damaged in a cooling process, and performance and service life of the engine can be ensured.
Description
Technical field
The utility model belongs to technical field of engines, specifically, and the particularly water circulation system of grinding-in carriage for engine.
Background technology
At present, after engine assembly rolls off the production line, all need carry out the running-in stand test, to detect the performance of engine.When carrying out the running-in stand test, need the practical working situation of simulated engine, therefore need the water circulation pipe of connecting engine.As shown in Figure 2, existing way is that a water tower 13 is set on the next door of running-in stand, and this water tower 13 is connected with engine 1 by inlet tube and outlet tube, and the water in the water tower flows into engine like this, again flows back in the water tower after taking away heat.Because the chilled water of flow direction engine is the tap water of normal temperature, temperature is lower, and tap water enters after the engine, causes easily the engine section parts to be out of shape because of quenching or damages, thereby affect the performance and used life of engine.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of can effectively prevent engine component impaired running-in stand water circulation system in cooling procedure.
The technical solution of the utility model is as follows: a kind of engine rig test water circulation system, comprise engine (1), thermostat (2), supercharge pump (3), the first solenoid valve (4), the first three-way connection (5), return pipe (6), the second three-way connection (7), the second solenoid valve (8), electric valve (9), water inflow of the engine pipe (10) and engine water outlet (11), be provided with engine water inlet (1a) at engine (1), bolt hole (1b) and engine water outlet (1c) discharge water, the outside of engine (1) is provided with thermostat (2), after the liquid outlet of this thermostat (2) passes through pipeline series boosting pump (3) and the first solenoid valve (4), be connected with the first interface of the first three-way connection (5), the second interface of the first three-way connection (5) is connected with the liquid return hole of thermostat (2) by return pipe (6), the 3rd interface of the first three-way connection (5) is connected by the first interface of pipeline with the second three-way connection (7), the second interface of the second three-way connection (7) is connected by pipeline and is divided into two-way behind the second solenoid valve (8), one the tunnel is connected with electric valve (9), another road is connected with the bolt hole that discharges water (1b) of engine, the 3rd interface of the second three-way connection (7) is connected with engine water inlet (1a) by water inflow of the engine pipe (10), and described engine water outlet (1c) is connected with the inlet of thermostat (2) by engine water outlet (11).
Adopt above technical scheme, when carrying out the grinding-in carriage for engine test, thermostat on the engine is opened, first, the second solenoid valve is also opened, water in the thermostat flows out from liquid outlet under the effect of supercharge pump, be divided into two-way through the first three-way connection, one the tunnel flows back to thermostat through return pipe, play pressure release, to prevent that supercharge pump pressure is excessive and cause conduit failure, another road is through the second three-way connection, respectively in discharge water bolt hole and engine water inlet inflow engine, engine is cooled, then flow back to thermostat by engine water outlet, form waterway circulating.Thermostat is incubated processing to the water of its inside, make the water of flow direction engine maintain the temperature at 50-60 ℃, chilled water in the inflow engine and the temperature of engine interior are unlikely to differ greatly especially like this, thereby prevented that effectively the engine section parts are out of shape because of quenching, avoid the engine component damage, guaranteed the performance and used life of engine.
After the engine break-in is complete, with supercharge pump and the second closed electromagnetic valve, connect tracheae on the electric valve this moment, blow by this tracheae, make gas enter engine interior by the bolt hole that discharges water, in-engine chilled water is blown out from the engine entery and delivery port, chilled water is got back in the thermostat, can prevent like this residual moisture in the engine, guarantee that the cooling water channel of engine interior keeps dry, clean.The complete engine of test is pulled down from stand, reinstalled another engine and connect pipeline, can carry out next running-in test, not only convenient but also quick.
Be provided with liquid spill-way at described thermostat (2), this liquid spill-way is connected with the water inlet of water tower (13) by liquid overflow pipe (12), and the water delivering orifice of water tower (13) is connected by the interior ball-cock assembly (15) of liquid supplementation pipe (14) and thermostat (2).Liquid level in the ball-cock assembly control thermostat, when liquid level is lower than setting value, ball-cock assembly is opened, and makes water tower by liquid supplementation pipe moisturizing in the thermostat; When if the water in the thermostat is too many, unnecessary water flows into water tower from liquid overflow pipe and stores.
Between described liquid overflow pipe (12) and engine water outlet (11), be connected with by-pass pipe (16), be in series with the 3rd solenoid valve (17) on this by-pass pipe (16), like this test complete blow water in, also the 3rd solenoid valve can be opened, the water that engine is blown out flows directly in the water tower.
Be provided with leakage hole at described thermostat (2), this leakage hole is connected by pipeline behind the first hand valve (18), is connected with by-pass pipe (16).The first hand valve is opened, the water in the thermostat all can be bled off so that with thermostat is cleaned; The water that bleeds off flows in the water tower by by-pass pipe, can prevent water resource waste.
Liquid supplementation pipe (14) in described water tower (13) is connected to the cooling liquid supplementation pipe, and this cooling liquid supplementation pipe is connected behind the 4th solenoid valve (19), is connected with the cooling fluid infusion mouth of thermostat (2).When the water temperature over-high in the thermostat, the 4th solenoid valve is opened, and replenishes cold water in thermostat, and the water temperature in the thermostat in time is reduced in the numerical range of setting.
Liquid supplementation pipe (14) in described water tower (13) is connected to manual liquid supplementation pipe, and this manual liquid supplementation pipe is connected behind the second hand valve (20), is connected with the manual fluid infusion mouth of thermostat (2).Operating personnel also can open the moisturizing cooling in the thermostat of the second hand valve as required, and are very convenient.
Be in series with the 3rd hand valve (21) at described return pipe (6).By regulating the 3rd hand valve, can adjust the water yield size to the thermostat backwater, to satisfy the needs of different situations.
Beneficial effect: the utility model forms the cooling water channel circulation system by setting up thermostat and engine, can prevent effectively that engine component is impaired in cooling procedure, not only guaranteed the performance and used life of engine, and the data of break-in test are had more with reference to property.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of background technology.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, engine 1 is prior art, and therefore not to repeat here for its structure.Be provided with engine water inlet 1a at engine 1, discharge water bolt hole 1b and engine water outlet 1c, the outside of engine 1 arranges thermostat 2 and water tower 13.Wherein, water tower 13 also is prior art, and therefore not to repeat here for its structure.Described thermostat 2 by water tank, be installed in the parts such as well heater in the water tank and temperature controller and consist of, thermostat adopts existing structure.Be provided with liquid outlet at thermostat 2, be connected to a pipeline on the liquid outlet of this thermostat 2, this pipeline is successively behind series boosting pump 3 and the first solenoid valve 4, be connected with the first interface of the first three-way connection 5, the second interface of the first three-way connection 5 is connected with the liquid return hole of thermostat 2 by return pipe 6, is in series with the 3rd hand valve 21 at described return pipe 6; The 3rd interface of the first three-way connection 5 is connected by the first interface of pipeline with the second three-way connection 7, the second interface of the second three-way connection 7 is connected by pipeline and is divided into two-way behind the second solenoid valve 8, one the tunnel is connected with electric valve 9, another road is connected with the bolt hole 1b that discharges water of engine, the 3rd interface of the second three-way connection 7 is connected with engine water inlet 1a by water inflow of the engine pipe 10, and described engine water outlet 1c is connected with the inlet of thermostat 2 by engine water outlet 11.
As shown in Figure 1, be provided with liquid spill-way at thermostat 2, this liquid spill-way is connected with the water inlet of water tower 13 by liquid overflow pipe 12.Between described liquid overflow pipe 12 and engine water outlet 11, be connected with by-pass pipe 16, be communicated with by by-pass pipe 16 between liquid overflow pipe 12 and the engine water outlet 11, and be in series with the 3rd solenoid valve 17 on the by-pass pipe 16.Lowest part also is provided with leakage hole in the bottom of described thermostat 2, and this leakage hole is connected by pipeline behind the first hand valve 18, is connected with by-pass pipe 16.The water delivering orifice of described water tower 13 is connected by liquid supplementation pipe 14 and thermostat 2 interior ball-cock assemblys 15, is connected to the cooling liquid supplementation pipe in the liquid supplementation pipe 14 of water tower 13, and this cooling liquid supplementation pipe is connected behind the 4th solenoid valve 19, is connected with the cooling fluid infusion mouth of thermostat 2.Also be connected to manual liquid supplementation pipe on the liquid supplementation pipe 14 of described water tower 13, this manual liquid supplementation pipe is connected behind the second hand valve 20, is connected with the manual fluid infusion mouth of thermostat 2.
Principle of work of the present utility model is as follows:
When carrying out the grinding-in carriage for engine test, thermostat on the engine 1 is opened, first, second solenoid valve 4,8 is also opened, water in the thermostat 2 flows out from liquid outlet under the effect of supercharge pump 3, be divided into two-way through the first three-way connection 5, one the tunnel flows back to thermostat 2 through return pipe 6, another road is through the second three-way connection 7, respectively in discharge water bolt hole 1b and engine water inlet 1a inflow engine 1, engine is cooled, then flow back to thermostat 2 by engine water outlet 11, form waterway circulating.Thermostat 2 is incubated processing to the water of its inside, makes the water of flow direction engine 1 maintain the temperature at 50-60 ℃.
When the liquid level in the thermostat 2 was lower than setting value, ball-cock assembly 15 was opened, and made water tower 13 pass through liquid supplementation pipe 14 to thermostat 2 interior moisturizings; When if the water in the thermostat 2 is too many, unnecessary water flows into water tower 13 from liquid overflow pipe 12 and stores.
When the water temperature over-high in the thermostat 2, the 4th solenoid valve 19 is opened, and makes water tower 13 to thermostat 2 interior additional cold water; Operating personnel also can open the second hand valve 20 as required to thermostat 2 interior moisturizing coolings.
After the engine break-in is complete, supercharge pump 3 and the second solenoid valve 8 are closed, the 3rd solenoid valve 17 is opened, connect tracheae on the electric valve 9 this moment, blow by this tracheae, make gas enter engine 1 inside by the bolt hole 1b that discharges water, the chilled water in the engine 1 is blown out from the engine entery and delivery port, chilled water is got back in thermostat 2 and the water tower 13.
If when needing to clean after the long-time use of thermostat, only need the first hand valve 18 is opened, the water in the thermostat 2 all put into water tower 13 get final product.
Claims (7)
1. engine rig test water circulation system, comprise engine (1), be provided with engine water inlet (1a) at engine (1), bolt hole (1b) and engine water outlet (1c) discharge water, it is characterized in that: be provided with thermostat (2) in the outside of engine (1), after the liquid outlet of this thermostat (2) passes through pipeline series boosting pump (3) and the first solenoid valve (4), be connected with the first interface of the first three-way connection (5), the second interface of the first three-way connection (5) is connected with the liquid return hole of thermostat (2) by return pipe (6), the 3rd interface of the first three-way connection (5) is connected by the first interface of pipeline with the second three-way connection (7), the second interface of the second three-way connection (7) is connected by pipeline and is divided into two-way behind the second solenoid valve (8), one the tunnel is connected with electric valve (9), another road is connected with the bolt hole that discharges water (1b) of engine, the 3rd interface of the second three-way connection (7) is connected with engine water inlet (1a) by water inflow of the engine pipe (10), and described engine water outlet (1c) is connected with the inlet of thermostat (2) by engine water outlet (11).
2. engine rig test water circulation system according to claim 1, it is characterized in that: be provided with liquid spill-way at described thermostat (2), this liquid spill-way is connected with the water inlet of water tower (13) by liquid overflow pipe (12), and the water delivering orifice of water tower (13) is connected by the interior ball-cock assembly (15) of liquid supplementation pipe (14) and thermostat (2).
3. engine rig test water circulation system according to claim 2, it is characterized in that: between described liquid overflow pipe (12) and engine water outlet (11), be connected with by-pass pipe (16), be in series with the 3rd solenoid valve (17) on this by-pass pipe (16).
4. engine rig test water circulation system according to claim 3 is characterized in that: be provided with leakage hole at described thermostat (2), this leakage hole is connected by pipeline behind the first hand valve (18), is connected with by-pass pipe (16).
5. according to claim 2 or 3 or 4 described engine rig test water circulation systems, it is characterized in that: the liquid supplementation pipe (14) in described water tower (13) is connected to the cooling liquid supplementation pipe, this cooling liquid supplementation pipe is connected behind the 4th solenoid valve (19), is connected with the cooling fluid infusion mouth of thermostat (2).
6. engine rig test water circulation system according to claim 5, it is characterized in that: the liquid supplementation pipe (14) in described water tower (13) is connected to manual liquid supplementation pipe, this manual liquid supplementation pipe is connected behind the second hand valve (20), is connected with the manual fluid infusion mouth of thermostat (2).
7. engine rig test water circulation system according to claim 1 is characterized in that: be in series with the 3rd hand valve (21) at described return pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220321272 CN202693313U (en) | 2012-07-04 | 2012-07-04 | Water circulation system for engine pedestal test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220321272 CN202693313U (en) | 2012-07-04 | 2012-07-04 | Water circulation system for engine pedestal test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202693313U true CN202693313U (en) | 2013-01-23 |
Family
ID=47548917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220321272 Withdrawn - After Issue CN202693313U (en) | 2012-07-04 | 2012-07-04 | Water circulation system for engine pedestal test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202693313U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749202A (en) * | 2012-07-04 | 2012-10-24 | 力帆实业(集团)股份有限公司 | Engine running-in rack water circulation system |
| CN107196012A (en) * | 2017-05-18 | 2017-09-22 | 中国第汽车股份有限公司 | A kind of cold and hot fluid circulation for electrokinetic cell bench test |
| CN109470484A (en) * | 2018-12-26 | 2019-03-15 | 绵阳亿丰达智能装备有限公司 | A kind of engine thermal is on probation to blow water system and blows water method |
-
2012
- 2012-07-04 CN CN 201220321272 patent/CN202693313U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749202A (en) * | 2012-07-04 | 2012-10-24 | 力帆实业(集团)股份有限公司 | Engine running-in rack water circulation system |
| CN102749202B (en) * | 2012-07-04 | 2015-08-12 | 力帆实业(集团)股份有限公司 | Engine running-in rack water circulation system |
| CN107196012A (en) * | 2017-05-18 | 2017-09-22 | 中国第汽车股份有限公司 | A kind of cold and hot fluid circulation for electrokinetic cell bench test |
| CN107196012B (en) * | 2017-05-18 | 2019-10-29 | 中国第一汽车股份有限公司 | A kind of cold and hot fluid circulation for power battery bench test |
| CN109470484A (en) * | 2018-12-26 | 2019-03-15 | 绵阳亿丰达智能装备有限公司 | A kind of engine thermal is on probation to blow water system and blows water method |
| CN109470484B (en) * | 2018-12-26 | 2023-11-28 | 绵阳亿丰达智能装备有限公司 | Water blowing system and water blowing method for engine heat trial |
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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: 20130123 Effective date of abandoning: 20150812 |
|
| RGAV | Abandon patent right to avoid regrant |