CN209589479U - The bald machine hot running-in testing machine of engine - Google Patents
The bald machine hot running-in testing machine of engine Download PDFInfo
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- CN209589479U CN209589479U CN201920564959.6U CN201920564959U CN209589479U CN 209589479 U CN209589479 U CN 209589479U CN 201920564959 U CN201920564959 U CN 201920564959U CN 209589479 U CN209589479 U CN 209589479U
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Abstract
The utility model discloses a kind of bald machine hot running-in testing machines of engine, including testing stand, control cabinet and fuel supply unit, further include igniting unit, circulating cooling water tank and the inlet manifold being respectively fixedly connected on the bald machine of engine and exhaust manifold；The two includes base plate, branched pipe and collecting pipe, base plate is equipped with multiple bolt perforatings, bolt wears axially bored line perpendicular to the mounting plane of base plate, is each formed with spanner space between the pipe outer wall and bolt perforating of branched pipe and between collecting pipe and base plate.It is preferred that igniting unit is located at the crankshaft output end of the bald machine of engine, igniting unit is located on testing stand in position-adjustable, and crankshaft output end output igniting timing signal, and testing stand has the structure from upper lifting engine.The utility model has the beneficial effects that intake and exhaust manifold is convenient to mount and dismount, timing system is driven by crankshaft output end, and timing control is accurate, and type is applied widely, and engine is convenient to mount and dismount, and test efficiency is high.
Description
Technical field
The utility model belongs to testing equipment, specifically a kind of bald machine hot running-in testing machine of engine.
Background technique
The bald machine of engine refer to do not include attachment engine, it is main without with lower component: generator, starter, power-assisted
The engine accessory power ratings such as pump, inlet manifold, discharge manifold, ignition distributor, ignition coil.With the depth of engine production division of labor based on specialization
Enter, the bald machine of engine has become a kind of trend by the production of some specialized factories.To guarantee product quality, the bald machine of engine is being made
It needs to carry out hot running-in test after the completion of making.Testing inspection mainly is carried out to parameters such as engine running noises, water temperatures.But it is existing
In technology, engine producer carries out hot running-in test and carries out primarily directed to engine assembly, except detection running noises, water temperature
Outside, more important is purposes to carry out measurement of power.Therefore, the hot running-in testing machine suitable for the bald machine of engine is set in original test mostly
The simple reduction formula of progress, which is improved, on the basis of standby obtains, and the components such as intake and exhaust manifold installed additional for completion test needs mostly use greatly
Engine original machine accessory.Due to the characteristics of engine has topology layout compact, and space is fully utilized, cause original machine accessory past
Toward there are installing and dismounting operating space is narrow, and specific purpose tool is needed, causes the deficiency that test efficiency is low.For this reason, it may be necessary into
Row improves.
Summary of the invention
The purpose of this utility model assembles and disassembles effect aiming at the bald machine of the bald machine hot running-in test special equipment of available engine
The low deficiency of rate provides a kind of bald machine hot running-in testing machine of engine, the intake and exhaust discrimination which passes through setting easy disassembly
Pipe, and further by engaging the fixed structure of positioning stationary engine from upper lifting, to effectively improve engine defibrator process
Close test efficiency.
To realize foregoing purpose, the utility model adopts the following technical solution.
A kind of bald machine hot running-in testing machine of engine, including testing stand, control cabinet and fuel supply unit further include igniting
Unit, circulating cooling water tank and the inlet manifold being respectively fixedly connected on the bald machine of engine and exhaust manifold；Inlet manifold and
Exhaust manifold includes base plate, branched pipe and collecting pipe, and base plate is equipped with multiple bolt perforatings, and bolt wears axially bored line and hangs down
Directly between the mounting plane of base plate, the pipe outer wall and bolt perforating of branched pipe and between collecting pipe and base plate
It is formed with spanner space.
Using the utility model of preceding solution, testing stand is for installing the bald machine of stationary engine, so as to engine
It can be safely operated on experimental bench；Fuel supply unit is used to supply trial operation fuel such as gasoline or liquid to engine trial operation
Change gas；Igniting unit is used to connect by more firing cables with corresponding spark plug, burns and provides to each cylinder fuel of engine
Igniting high voltage power supply；Circulating cooling water tank is used to cool down engine operation；Import/exhaust manifold is connected to hair
The air inlet of motivation and exhaust outlet form air inlet and exhaust passage, and control cabinet, which is used to run engine, carries out distribution, detection data
Processing, operation control and displaying detection parameters, control cabinet can show the test parameters including temperature and revolving speed by display screen.This
Air inlet used by utility model and exhaust manifold have been substituted using the easy disassembly structure specially designed using original machine accessory
Mode, and bolt is worn by base plate and is fixed with the fixed cylinder cap of engine, bolt wears axially bored line perpendicular to the peace of base plate
The spanner space filled between plane and the pipe outer wall and bolt perforating of branched pipe and between collecting pipe and base plate is true
It is convenient to protect intake and exhaust manifold assembly and disassembly operations, improves test efficiency.
Preferably, the igniting unit is located at the crankshaft output end of the bald machine of engine, and igniting unit is in position-adjustable
It is located on testing stand, and crankshaft output end output igniting timing signal.To make full use of the space of crankshaft output end that timing is arranged
System further increases the convenience of assembly and disassembly and formal system call interception, improves test efficiency；And igniting unit is in position-adjustable
Be located on testing stand, with facilitate realize plurality of specifications, model engine hot running-in test, improve testing equipment be applicable in
Property, equipment investment quantity is reduced, experimentation cost is reduced.
Further preferred that the igniting unit is connected with timing system, timing system include ignition timing wheel, distribution just
Hour wheel and timing driving wheel, ignition timing wheel are located on igniting unit, and valve timing wheel is connected to the camshaft of the bald machine of engine
On, timing driving wheel is connected to the crankshaft output end of the bald machine of engine；Ignition timing wheel, valve timing wheel and timing driving wheel three
Person passes through timing belt or timing chain link.Ensure ignition timing requirement with the timing system by simple, high transmission accuracy, keeps away
It is excused from an examination to test equipment precision and test result is impacted, it is ensured that the accuracy of test result；Wherein, pass through position-adjustable structure
Adjusting ignition timing wheel position makes ignition timing wheel constitute tensioning wheel.
Preferably, the two sides of the bald machine of the engine have been respectively fixedly connected with a support arm；The pedestal of testing stand is equipped with position
Two root posts in the bald machine two sides of engine, column form the support to support arm, shape between the support arm and column by top
At the support location structure of male-female, and prevent the axial limit structure of support arm axial float.The bald machine of engine is by branch
Arm forms axially position on column, and through axial limit structure by male-female structural bearing, can securely, reliably incite somebody to action
Engine is fixed on testing stand, and the bald machine of engine can easily be loaded and unloaded above column, from improving hair on the other hand
The bald machine of motivation property easy to loading and unloading, further increases conducive to test efficiency.
It is further preferred that the support arm is in " 7 " character form structure, support arm is arranged by " 7 " font head upright, and by upper
It extending downwardly, head distal end is fixedly connected with the cylinder part of the bald machine of engine, and " 7 " font tail portion of support arm is horizontally disposed, and
It is supported at the top of the column.By the way that support arm to be arranged to " 7 " character form structure, and " 7 " font head by extending straight down
Portion is connect with the cylinder body of the bald machine of engine, to carry out installation fixation, and energy by the fixed connection structure of engine use state
Engine height of C.G. is effectively reduced, improves the fixed stability of test installation, it is ensured that test result is accurate.
Still more preferably, the support location structure is made of trapezoidal convex block and trapezoidal groove, and trapezoidal convex block is formed
In " 7 " font end segment of the support arm, trapezoidal groove is formed at the top of the column；The axial limit structure is by limiting
One side end face of gear and trapezoidal groove cooperatively forms, and limiting block is formed on the trapezoidal convex block.It is steady to further increase support
Property qualitative and easy to loading and unloading.
Preferably, the fuel supply includes liquefied gas pipeline, and liquefied gas pipeline one end is connected with liquefaction gas source, the other end
It being connect with the air throttle of the bald machine of engine, air throttle is fixedly connected in inlet manifold, solenoid valve is additionally provided on liquefied gas pipeline,
Solenoid valve is electrically connected with the control system in control cabinet.Using using liquefied gas as hot running-in test fuel, relative to gasoline
For fuel, material logistics are more convenient, safe.
Preferably, the circulating cooling water tank is connected with outlet pipe and return pipe, the circulation of outlet pipe and the bald machine of engine
Exit of pump is connected by a quick-release connector, and the water jacket water return outlet of return pipe and the bald machine of engine is connected by another quick-release connector
It connects；Two quick-release connectors are all made of the quick-release connector with check valve.To be connect using the commodity class that can directly buy from the market
Head realizes the connection of cycle of engine cooling water pipeline, is conducive to reduce equipment manufacturing costs, to reduce experimentation cost, and ensure
Test efficiency.
Preferably, the return pipe also passes through moisturizing water pump and is connected with replenishing water tank of water；The return pipe is equipped with transparent overflow
Flow tube, transparent overflow pipe take back replenishing water tank of water.To be cooled down by replenishing water tank of water to engine water jacket and the perfusion of circulating cooling water tank
Water, or the recirculated cooling water with deicing requirements；And it can be by being in transparent overflow pipe observation water jacket and circulating cooling water tank
No there are bubbles, so as to stop pouring water again after absolutely not bubble, with first in the condition for fully demonstrating circulating cooling effect
Ensure the accuracy of test result.
The utility model has the beneficial effects that the intake and exhaust manifold of testing machine is convenient to mount and dismount, engine uses male-female
Structure installation is fixed, and by support arm transition, easy to loading and unloading and secured, reliable, type is applied widely；Igniting unit is in position
Adjustable form setting is set, and timing system is driven by crankshaft output end, timing control is accurate, and type is applied widely；
Water charging system has transparent overflow pipe, it can be ensured that the air in water jacket and water tank is excluded completely, and test result is accurate；Combustion
Material, convenient for management, facilitates the safety of lifting test using liquefied gas.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the partial structure diagram of the utility model.
Fig. 3 is the left view of the utility model Fig. 2.
Fig. 4 is the structural schematic diagram of support arm in the utility model.
Fig. 5 is the left view of the utility model Fig. 4.
Fig. 6 is the structural schematic diagram of inlet manifold in the utility model.
Fig. 7 is the structural schematic diagram of exhaust manifold in the utility model.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings, and embodiment is exemplary, be only used for disclose and
It explains the utility model, to fully understand the utility model, but therefore the utility model is not limited in the implementation
Within the scope of example.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, a kind of bald machine hot running-in testing machine of engine, including test
Platform, control cabinet 2 and fuel supply unit further include engine starter 13, igniting unit 5, circulating cooling water tank and are consolidated respectively
Surely the inlet manifold 3 and exhaust manifold 3 ' being connected on the bald machine 1 of engine；The inlet manifold 3 and exhaust manifold 3 ' include
Base plate 31, branched pipe and collecting pipe 32, base plate 31 are equipped with multiple bolt perforating 31a, and bolt perforating 31a axis is vertical
Between the mounting plane of base plate 31, the pipe outer wall and bolt perforating 31a of branched pipe and collecting pipe 32 and base plate 31
Between be each formed with spanner space, when spanner space constitutes assembly and disassembly inlet manifold 3 and exhaust manifold 3 ', pull pulling for connection bolt
Hand activity space；Inlet manifold 3 is fixedly connected by air throttle mounting flange 33 with air throttle 1a；Exhaust manifold 3 ' passes through noise elimination
Device flange 35 connects silencer.
Wherein, the igniting unit 5 is located at the crankshaft output end of the bald machine 1 of engine, which refers to crankshaft and speed change
The end of case connection；Igniting unit 5 is located on testing stand in position-adjustable, and crankshaft output end output ignition timing letter
Number.Specifically, igniting unit 5 is connected with timing system, and timing system includes ignition timing wheel 51, valve timing wheel 52 and timing
Driving wheel 53, ignition timing wheel 51 are located on igniting unit 5, and valve timing wheel 52 is connected on the camshaft of the bald machine 1 of engine,
Timing driving wheel 53 is connected to the crankshaft output end of the bald machine 1 of engine；Ignition timing wheel 51, valve timing wheel 52 and timing driving
It takes turns 53 threes and is all made of synchronous belt wheel structure, three is connected by Synchronous belt.Igniting unit 5 includes interconnected point of electricity
Device and ignition coil, ignition coil are connect with multiple spark plugs respectively by high voltage cable；The input terminal of ignition distributor and igniting are just
Hour wheel 51 is in synchronous rotation connection.In conjunction with Fig. 3, igniting unit 5 is fixedly connected on 54 top of igniting column, and igniting column 54 is fixed
It is connected on slide unit 55, slide unit 55 is adjustably located at upright post base 56 in lateral position by two parallel linear guides
On, the linear guide is axial parallel with engine crankshaft；Upright post base 56 is bolted on platform floor, column bottom
Fixed-use bolt is arranged by strip perforating in seat 56, so that the formation of upright post base 56 can be along perpendicular to engine crankshaft axis
To direction realize position adjust；And it is equipped with screw rodb base on upright post base 56, screw rod 57 is rotationally equipped on screw rodb base,
Screw rod outer end is connected with handwheel 58, and 57 inner end of screw rod is combined with nut 59, and nut 59 is fixedly connected on slide unit 55, and is located at two
Between linear guide.
The two sides of the bald machine 1 of engine have been respectively fixedly connected with a support arm 4；The pedestal of testing stand, which is equipped with to be located at, to be started
The two root posts 6 of bald 1 two sides of machine of machine, column 6 form the support to support arm 4, shape between the support arm 4 and column 6 by top
At the support location structure of male-female, and prevent the axial limit structure of 4 axial float of support arm.Support arm 4 is in " 7 " font knot
Structure, support arm 4 is vertically arranged by " 7 " font head 4a, and is extended from top to bottom, the cylinder body of head distal end and the bald machine 1 of engine
Part is fixedly connected, and " 7 " font tail portion of support arm 4 is horizontally disposed, and is supported on 6 top of column.Wherein, support positioning knot
Structure is made of trapezoidal convex block 41 and trapezoidal groove, and trapezoidal convex block 41 is formed in " 7 " font end segment of the support arm 4, trapezoidal
Groove is formed in 6 top of column；The axial limit structure is from shape with a side end face of limiting block 42 and trapezoidal groove
At limiting block 42 is formed on the trapezoidal convex block 41.
The fuel supply includes liquefied gas pipeline 7, and 7 one end of liquefied gas pipeline is connected with liquefaction gas source, the other end and hair
The air throttle 1a connection of the bald machine 1 of motivation, air throttle 1a are fixedly connected in inlet manifold 3, are additionally provided with electromagnetism on liquefied gas pipeline 7
Valve 71, pressure regulator 72 and flowmeter 73, solenoid valve are electrically connected with the control system in control cabinet 2；Wherein, control cabinet 2 is equipped with combustion
Gas control separate space, and solenoid valve 71, pressure regulator 72 and flowmeter 73 are each provided in combustion gas control separate space, and combustion gas control
Gas leakage monitoring alarm 74, the control in gas leakage monitoring alarm 74 and control cabinet 2 are additionally provided in separate space processed
System electrical connection, to cut off gas supply by solenoid valve after there is gas leakage.Power supply is constituted below the separate space to set
Separate space is set, storage battery, which is arranged in separate space, is equipped with storage battery 11 and rectifier 12, and storage battery 11 is used for engine starter 13
DC power supply is provided；Combustion gas controls the hardware setting space that control system is constituted above separate space, and hardware setting is set in space
There is control system hardware, hardware setting space is equipped with independent cabinet door, which constitutes the control panel of control cabinet 2, and the face
Plate is equipped with liquid crystal display 2a.
The circulating cooling water tank 8 is connected with outlet pipe and return pipe, and the recirculated water of outlet pipe and the bald machine 1 of engine pumps out
Mouth is connected by a quick-release connector, and return pipe is connect with the water jacket water return outlet of the bald machine 1 of engine by another quick-release connector；Two
Quick-release connector is all made of the quick-release connector with check valve.Return pipe also passes through moisturizing water pump 9 and is connected with replenishing water tank of water 10；Described time
Water pipe is equipped with transparent overflow pipe 14, and transparent overflow pipe 14 takes back replenishing water tank of water 10 above circulating cooling water tank 8；On return pipe
It is also connected with discharge tube 15, discharge tube 15 and replenishing water tank of water 10, it is remaining cooling in engine water jacket to be emptied by discharge tube 15
Water.The control cabinet 2 will be separated into front and rear by vertical clapboard inside control cabinet, control cabinet front is from top to bottom distinguished
Constitute three separate spaces in hardware setting space, combustion gas control separate space and power supply setting separate space；Control cabinet rear portion
Constitute circulating cooling hydrospace；Circulating cooling water tank 8 is located at top；Replenishing water tank of water 10 is located at lower part, and moisturizing water pump 9 is fixed on benefit
On water tank 10.
In the present embodiment, timing chain is can also be used in ignition timing wheel 51, valve timing wheel 52 and 53 three of timing driving wheel
Wheel construction, three are connected by timing chain.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain
Available technical solution is tested, it all should be within the scope of protection determined by the claims.
Claims (9)
1. a kind of bald machine hot running-in testing machine of engine, including testing stand, control cabinet (2) and fuel supply unit, feature exist
In: it further include igniting unit (5), circulating cooling water tank and the inlet manifold (3) being respectively fixedly connected on the bald machine of engine (1)
With exhaust manifold (3 ')；Inlet manifold (3) and exhaust manifold (3 ') include base plate (31), branched pipe and collecting pipe (32),
Base plate (31) is equipped with multiple bolt perforatings, and bolt wears axially bored line perpendicular to the mounting plane of base plate (31), branched pipe
Pipe outer wall and bolt perforating between and collecting pipe (32) and base plate (31) between be each formed with spanner space.
2. the bald machine hot running-in testing machine of engine according to claim 1, it is characterised in that: igniting unit (5) position
In the crankshaft output end of the bald machine of engine (1), igniting unit (5) is located on testing stand in position-adjustable, and crankshaft exports
End output igniting timing signal.
3. the bald machine hot running-in testing machine of engine according to claim 2, it is characterised in that: the igniting unit (5) is even
It is connected to timing system, timing system includes ignition timing wheel (51), valve timing wheel (52) and timing driving wheel (53), and igniting is just
Hour wheel (51) is located on igniting unit (5), and valve timing wheel (52) is connected on the camshaft of the bald machine of engine (1), and timing is driven
Driving wheel (53) is connected to the crankshaft output end of the bald machine of engine (1)；Ignition timing wheel (51), valve timing wheel (52) and timing are driven
Driving wheel (53) three passes through timing belt or timing chain link.
4. the bald machine hot running-in testing machine of engine according to claim 1, it is characterised in that: the bald machine of engine (1)
Two sides be respectively fixedly connected with a support arm (4)；The pedestal of testing stand is vertical equipped with two for being located at the bald machine of engine (1) two sides
Column (6), column (6) are formed the support to support arm (4) by top, form male-female between the support arm (4) and column (6)
Support location structure, and prevent support arm (4) axial float axial limit structure.
5. the bald machine hot running-in testing machine of engine according to claim 4, it is characterised in that: the support arm (4) is in " 7 " word
Shape structure, support arm (4) is arranged by " 7 " font head upright, and extends from top to bottom, head distal end and the bald machine of engine (1)
Cylinder part be fixedly connected, " 7 " font tail portion of support arm (4) is horizontally disposed, and is supported at the top of the column (6).
6. the bald machine hot running-in testing machine of engine according to claim 5, it is characterised in that: the support location structure by
Trapezoidal convex block (41) and trapezoidal groove are constituted, and trapezoidal convex block (41) is formed in " 7 " font end segment of the support arm (4), ladder
Connected in star is formed at the top of the column (6)；The axial limit structure by limiting block (42) and trapezoidal groove a side end face
It cooperatively forms, limiting block (42) is formed on the trapezoidal convex block (41).
7. the bald machine hot running-in testing machine of engine according to claim 1, it is characterised in that: the fuel supply includes liquid
Change feed channel (7), liquefied gas pipeline (7) one end is connected with liquefaction gas source, the air throttle (1a) of the other end and the bald machine of engine (1)
Connection, air throttle (1a) are fixedly connected on inlet manifold (3), and solenoid valve, solenoid valve and control are additionally provided on liquefied gas pipeline (7)
Control system electrical connection in cabinet (2) processed.
8. the bald machine hot running-in testing machine of engine described according to claim 1~any one of 7, it is characterised in that: described
Circulating cooling water tank (8) is connected with outlet pipe and return pipe, and the water circulating pump outlet of outlet pipe and the bald machine of engine (1) passes through one
Quick-release connector connection, return pipe are connect with the water jacket water return outlet of the bald machine of engine (1) by another quick-release connector；Two fast changing-overs
Head is all made of the quick-release connector with check valve.
9. the bald machine hot running-in testing machine of engine according to claim 8, it is characterised in that: the return pipe also passes through benefit
Water water pump (9) is connected with replenishing water tank of water (10)；The return pipe is equipped with transparent overflow pipe, and transparent overflow pipe takes back replenishing water tank of water
(10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920564959.6U CN209589479U (en) | 2019-04-24 | 2019-04-24 | The bald machine hot running-in testing machine of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920564959.6U CN209589479U (en) | 2019-04-24 | 2019-04-24 | The bald machine hot running-in testing machine of engine |
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| Publication Number | Publication Date |
|---|---|
| CN209589479U true CN209589479U (en) | 2019-11-05 |
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ID=68346318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201920564959.6U Active CN209589479U (en) | 2019-04-24 | 2019-04-24 | The bald machine hot running-in testing machine of engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111122169A (en) * | 2019-12-31 | 2020-05-08 | 盐城诺维特机电科技有限公司 | Engine running-in test bench |
-
2019
- 2019-04-24 CN CN201920564959.6U patent/CN209589479U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111122169A (en) * | 2019-12-31 | 2020-05-08 | 盐城诺维特机电科技有限公司 | Engine running-in test bench |
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