CN205844114U - A kind of valve valve retainer friction pair abrasion test device - Google Patents
A kind of valve valve retainer friction pair abrasion test device Download PDFInfo
- Publication number
- CN205844114U CN205844114U CN201620416975.7U CN201620416975U CN205844114U CN 205844114 U CN205844114 U CN 205844114U CN 201620416975 U CN201620416975 U CN 201620416975U CN 205844114 U CN205844114 U CN 205844114U
- Authority
- CN
- China
- Prior art keywords
- valve
- screw rod
- combustor
- sleeve
- friction pair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a kind of valve valve retainer friction pair abrasion test device, including frame, valve, valve retainer, combustor, the mechanism of driving valve rotation and high-temperature fuel gas feed system and gas extraction system.Being arranged in described frame by the camshaft of driven by servomotor, be used for driving described valve motion, described valve retainer to be installed in described combustor, head portion that puts in combustor, contacts with valve retainer.Described high-temperature fuel gas system supplies high-temperature fuel gas in combustor, there also is provided Resistant heating device in combustor.Inner Wall of Combustion Chamber is provided with temperature sensor, and valve retainer is installed pressure transducer.This apparatus structure is simple, can be simulated the actual condition of valve and valve retainer significantly, greatly shorten the time of valve valve retainer friction pair wear test, improves valve and the reliability of valve retainer friction and Wear Study test.
Description
Technical field
This utility model relates to valve and valve retainer wear test field, particularly relates to a kind of Valve-valve seat circle and rubs
Wipe secondary abrasion test device.
Background technology
In engine valve actuating mechanism, valve is quite severe with the working condition of valve retainer, is subjected to from valve
Spring and the impulsive force of high-temperature fuel gas, and washed away by having corrosive high-temperature fuel gas, particularly exhaust valve and aerofluxus
Seat ring, valve with the highest speed constant impingement valve retainer, easily weares and teares in the case of lubricating condition extreme difference.Valve
Surface produces abrasion can cause valve sinking, cylinder leakage tester, and cylinder presses through the serious consequences such as low, increases fuel consumption, and reduction is started
The power of machine, thus within the engine, the wear condition of valve valve retainer friction pair directly affects the work effect of electromotor
Rate, fuel availability and service life etc..
In order to preferably grasp the wearing character of valve, valve retainer, carry out lot of experiments research both at home and abroad, used more
Electromotor overall test, complex operation, spent time is long.Present stage existing valve retainer abrasion bench test device, adopts more
By hydraulic loaded, or rely on calutron to load, simulate the pressure that valve is suffered at work.Hydraulic loading device energy
Loss is big, safeguards strict, is easily generated leakage, it is difficult to maintenance, and the power that calutron produces is too small, and electromagnet armature heating is serious,
Service life is the longest, and does not considers the effect of high-temperature fuel gas.
Summary of the invention
In order to solve problems of the prior art, preferably research valve and the wearing character of valve retainer, this reality
Actual condition with novel combination Valve-valve seat circle friction pair, it is provided that a kind of Valve-valve seat circle friction pair wear test
Device.Both can realize valve during opening and closing, valve rotation does not rotate the test under two kinds of different operating modes from valve, it is possible to
With simulation with or without under two kinds of different operating modes of combustion atmosphere, the abrasion condition contrast test of valve and valve retainer, valve seating
Circle easy accessibility, can absorb and process simultaneously the tail gas discharged, and protects environment.
This utility model is achieved through the following technical solutions:
A kind of Valve-valve seat circle friction pair abrasion test device, including base station 1, is arranged on the combustor below base station 1
38, the high-temperature fuel gas feed system, the valve fairlead 4-1 being arranged on base station 1 that provide combustion gas to combustor 38, it is arranged on gas
Valve retaining sleeve 5 above door fairlead 4-1, the folder for clamping air valve 4 valve stem afterbody that is arranged in valve retaining sleeve 5
Hold bar 6, be arranged on the screw rod fairlead 34 of the screw rod 33 of valve fairlead 4-1 side, the bracing frame 1-1 being arranged on base station 1,
The camshaft 15 being driven it to rotate by servomotor 20 being arranged on bracing frame 1-1；
The valve disc 4-2 of described valve 4 is placed in combustor 38, valve fairlead 4-1 and valve disc 4-2 rear end face it
Between path on offer a tail gas discharge chamber 2-1, tail gas discharge chamber 2-1 connects exhaust collection case 2 by exhaustor 3；Described
Valve disc 4-2 rear end face is additionally provided with a valve retainer fixture 45, and valve retainer 44 interference fit sets within it；As valve disc 4-
When 2 rear end faces and valve retainer 44 offset, the path between combustor 38 and tail gas discharge chamber 2-1 cuts off, when after valve disc 4-2
Communication when end face separates with valve retainer 44, between combustor 38 and tail gas discharge chamber 2-1；
In combustor 38, it is additionally provided with one below valve disc 4-2 front end face and is bullied within the engine for simulating valve 4
The valve moment impact mechanism of body pressure；
Screw rod fairlead 34 is stretched out in the upper end of described screw rod 33, and mounted thereon has gear wheel 19；Described supporting rod 6
Upper end stretch out valve retaining sleeve 5, and mounted thereon have the little gear 10 engaged with gear wheel 19；
It is separately installed with radial thrust bearing 22,25,9,12 on screw rod 33 and the top of supporting rod 6 and middle part, centripetal pushes away
The inner ring lower surface of power bearing 9 is provided with the top cover 8 offseted with it；It is respectively equipped with one above the radial thrust bearing on each top
Transmission collar 13,16, is provided with a driver plate 14, the upper surface of driver plate 14 and camshaft 15 on transmission collar 13,16
Cam contact, when camshaft 15 rotates, presses driver plate 14 under Cam reciprocating, and will be toward purgation again pressure by transmission collar 13,16
Moment synchronizes to pass to screw rod 33 and supporting rod 6, makes gear wheel 19 and little gear 10 follow screw rod 33 and supporting rod 6 synchronizes up and down
Moving back and forth, while pumping, screw rod 33 (for non-self-lock-ing screw rod) produces revolving force, under the effect of revolving force
Gear wheel 19 is with rotating with it, and revolving force passes to little gear 10, and little gear 10 drives supporting rod 6 to make gas while rotating
The head portion that of door 4 pumps in combustor 38 in rotary manner.
It is provided with screw reset spring 32, for providing a thrust upwards to screw rod 33 in described screw rod fairlead 34；
It is provided with supporting rod back-moving spring 7, for providing a thrust upwards to supporting rod 6 in described valve retaining sleeve 5.
Helical angle λ of described screw rod 33 is more than angle of friction ρ, for non-self-lock-ing screw rod, described gear wheel 19 and screw rod 33 it
Between ball nut 24 is installed, on the screw rod of gear wheel 19 upper surface install a splicing sleeve 23, radial thrust bearing is arranged on
On the screw rod of the lower end of gear wheel 19, described radial thrust bearing inner ring contacts with the top cover 26 of screw rod 33, screw rod 33 upper end
Sleeve 21 be arranged in splicing sleeve 23, screw rod 33 top pass sleeve 21, radial thrust bearing inner ring lower surface and splicing sleeve
23 shoulder end faces contact, and upper surface, radial thrust bearing outer ring contacts with drive socket 17, and transmission collar is arranged on transmission
Sleeve 17 upper surface.
Gear ratio i=4:1 between described gear wheel 19 and little gear 10；The inwall of described combustor 38 is provided with resistance wire
43, resistance wire 43 connects external power source；Fixing it is connected for detachable between described valve retainer fixture 45 and base station 1；Burning
Room 38 is fixed with base station 1 by bolt.
Being provided with a fixed support 18 between described screw rod 33 and supporting rod 6, fixed support 18 is for screw rod 33 and clamping
Bar 6 positions；Supporting rod 6 and fixed support 18 are provided with sleeve 11.
Described valve moment impact mechanism includes sleeve, push rod 39, push rod 40, pusher motor 41；Described push rod 39 times
In end is placed in sleeve, upper end is stretched out sleeve and offsets with valve disc 4-2 front end face；Described push rod 40 is arranged in sleeve,
Its upper end is corresponding to the bottom of push rod 39, and is arranged with buffer spring 42 on the bottom of push rod 39；Push rod 40 times
End is stretched out sleeve bottom and connects pusher motor 41.
Described high-temperature fuel gas feed system includes fuel tank 29, the booster pump 27 of oil dropping apparatus supercharging, aerator 48, controls switch
47, pulse igniter 36, nozzle 35, combustion tube 37；
Described aerator 48 connects combustor 38 input by the admission line 50 with a gas buffer filter tube 49
The sidewall of combustion tube 37；
Described fuel tank 29 connects nozzle 35 by one with the oil pipeline 31 of servo valve 28, and nozzle 35 ejection section is placed in combustion
Burn in pipe 37；Pulse igniter 36 is arranged on the sidewall of combustion tube 37；Control switch 47 connection and control servo valve 28 and pulse
Lighter 36, controls their ON/OFF；There is one piece of traverse 30 in described fuel tank 29, fuel tank 29 is divided into two the most not phases
Cavity room, upper chamber's dress air, lower chambers is charged.
A kind of Valve-valve seat circle friction pair abrasion test method is as follows:
Step one: valve-valve retainer friction pair wear test step under simulated combustion atmosphere, valve rotation operating mode: watch
Taking motor 20 drives camshaft 15 to rotate, and cam contacts with driver plate 14, and driver plate 14 is arranged on transmission collar 13,16,
Transferring the motion to gear wheel 19 and valve 4, valve 4 is opened, and screw reset spring 32 and supporting rod back-moving spring 7 are pressed simultaneously
Contracting, gear wheel 19, while stress moves downward, also by from screw rod 33 revolving force, produces and rotates, thus drive little tooth
Wheel 10 rotation, makes valve 4 produce rotary motion in opening process；In camshaft 15 return stroke, valve 4 and gear wheel 19 points
Not rising under the effect of screw reset spring 32 and supporting rod back-moving spring 7, gear wheel 19 is similarly subjected to from screw rod 33
Revolving force and rotate, so that valve 4 produces rotary motion；Valve 4 close and open whole during, gear wheel 19 He
Little gear 10 remains and is synchronized with the movement up and down, prevents two they in the vertical directions from producing relative motion, to avoid producing
The harmful effect that pinion rotation is caused by the frictional force on vertical direction；Taking a seat moment at valve 4, pusher motor 41 drives push rod
40 move upward, and make push rod 39 (with a certain size power) upwards impact valve 4 and keep surge to valve next time
Opening moment, simulate, with this, the gas pressure that valve 4 is suffered within the engine, open moment at valve 4, pusher motor 41 drives
Dynamic push rod 40 moves downward, and surge is cancelled, and meanwhile, booster pump 27 continues press-in sky in fuel tank 29 upper chamber
Gas, increases the pressure in fuel tank 29, and aerator 48, by admission line 50 input air in combustion tube 37, is taken a seat at valve 4
Moment, controlling switch 47 control servo valve 28 and open, fuel enters oil pipeline 31 under air pressure, and sprays from nozzle 35
Go out, mix with the air of input in admission line 50, meanwhile, control switch 47 control pulse igniter 36 and light fuel, produce
High-temperature fuel gas inputs to combustor 38, and simulation valve 4 and valve retainer 44 are washed away and corrosion process by high-temperature fuel gas；
Open moment at valve 4, control switch 47 control servo valve 28 and pulse igniter 36 is closed；Combustor 38 produces
Tail gas sequentially pass through tail gas discharge chamber 2-1, exhaustor 3 enters in exhaust collection case 2；Complete simulated combustion atmosphere, valve rotation
Valve-valve retainer friction pair wear test under condition of changing a job.
Simulation is without valve under combustion atmosphere, valve rotation operating mode-valve retainer friction pair wear test step: valve motion
Process is identical with step one；Close booster pump 27, servo valve 28 and pulse igniter 36；Supplying heat source is changed by original combustion gas
Become resistance wire 43 to heat, can complete without valve under combustion atmosphere, valve rotation operating mode-valve retainer friction pair wear test.
Simulation has combustion atmosphere, valve not to rotate the test procedure of valve under operating mode-valve retainer friction pair abrasion: combustion gas
Supply control process is identical with step one；Take off gear wheel 19, valve can be completed and do not rotate valve-valve retainer under operating mode and rub
Wipe secondary wear test.
Simulate the test not rotating valve under operating mode-valve retainer friction pair abrasion without combustion atmosphere, valve: close supercharging
Pump 27, servo valve 28 and ignition switch 36；Take off gear wheel 19, original combustion gas make supplying heat source into resistance wire 43 and heat,
Can complete not rotate valve under operating mode-valve retainer friction pair wear test without combustion atmosphere, valve.
This utility model, relative to prior art, has such advantages as and effect:
This utility model include base station, be arranged on the combustor below base station, to combustor provide combustion gas high-temperature fuel gas
Feed system, the valve fairlead being arranged on base station, it is arranged on the valve retaining sleeve above valve fairlead, is arranged on valve
The supporting rod for clamping air valve valve stem afterbody in retaining sleeve, the screw rod of the screw rod being arranged on valve fairlead side guide
Set, be arranged on base station bracing frame, be arranged on bracing frame by taking the camshaft that motor drives it to rotate, and be used for mould
The structural groupings such as the valve moment impact mechanism of bothridia suffered gas pressure within the engine.Can wash away there being high-temperature fuel gas
With the contrast test carrying out valve and valve retainer under two kinds of different operating modes of Resistant heating, can simulate high-temperature fuel gas to valve with
Washing away and corrosion of valve retainer, more meets the actual condition of valve and valve retainer friction pair, improves valve and valve seating
The reliability of circle Research on Wear Characteristics test, has the most greatly shortened the time of Valve-valve seat circle friction pair wear test.
This utility model can realize valve during opening and closing, and valve rotation does not rotate under two kinds of different operating modes from valve
Wear test.Use pusher motor to load, there is simple in construction, it is easy to the advantages such as control.
Fixing it is connected for detachable between this utility model seat ring fixture and base station, easy accessibility.Discharge can be collected
Tail gas, protect environment.
Accompanying drawing explanation
Fig. 1 is this utility model Valve-valve seat circle friction pair abrasion test device planar structure schematic diagram one.
Fig. 2 is this utility model Valve-valve seat circle friction pair abrasion test device planar structure schematic diagram two.
Fig. 3 is the A partial enlargement structural representation in Fig. 2.
Fig. 4 is the B partial enlargement structural representation in Fig. 2.
Fig. 5 is the C partial enlargement structural representation in Fig. 2.
Fig. 6 is this utility model Valve-valve seat circle friction pair abrasion test device perspective view.
Fig. 7 is the structural representation of valve retainer fixture 45.
Fig. 8 is the structural representation of fixed support 18.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is more specifically described in detail.
Embodiment
If Fig. 1 is to shown in 8.The utility model discloses a kind of Valve-valve seat circle friction pair abrasion test device, including
Base station 1, it is arranged on the combustor 38 below base station 1, the high-temperature fuel gas feed system of combustion gas is provided to combustor 38, is arranged on base
Valve fairlead 4-1 on platform 1, it is arranged on the valve retaining sleeve 5 above valve fairlead 4-1, is arranged in valve retaining sleeve 5
The supporting rod 6 for clamping air valve 4 valve stem afterbody, be arranged on valve fairlead 4-1 side screw rod 33 screw rod guide
The bracing frame 1-1 overlap 34, being arranged on base station 1, the cam being driven it to rotate by servomotor 20 being arranged on bracing frame 1-1
Axle 15；
The valve disc 4-2 of described valve 4 is placed in combustor 38, valve fairlead 4-1 and valve disc 4-2 rear end face it
Between path on offer a tail gas discharge chamber 2-1, tail gas discharge chamber 2-1 connects exhaust collection case 2 by exhaustor 3；Described
Valve disc 4-2 rear end face is additionally provided with a valve retainer fixture 45, and valve retainer 44 interference fit sets within it；As valve disc 4-
When 2 rear end faces and valve retainer 44 offset, the path between combustor 38 and tail gas discharge chamber 2-1 cuts off, when after valve disc 4-2
Communication when end face separates with valve retainer 44, between combustor 38 and tail gas discharge chamber 2-1；
In combustor 38, it is additionally provided with one below valve disc 4-2 front end face and is bullied within the engine for simulating valve 4
The valve moment impact mechanism of body pressure；
Screw rod fairlead 34 is stretched out in the upper end of described screw rod 33, and mounted thereon has gear wheel 19；Described supporting rod 6
Upper end stretch out valve retaining sleeve 5, and mounted thereon have the little gear 10 engaged with gear wheel 19；
It is separately installed with radial thrust bearing 22,25,9,12 on screw rod 33 and the top of supporting rod 6 and middle part, and respectively
It is respectively equipped with a transmission collar 13,16 above the radial thrust bearing on top, transmission collar 13,16 is provided with a driver plate
14, the upper surface of driver plate 14 and the cam contact of camshaft 15, when camshaft 15 rotates, under Cam reciprocating, press driver plate
14, and synchronize to pass to screw rod 33 and supporting rod 6 by reciprocal downforce square by transmission collar 13,16, make gear wheel 19 and little
Screw rod 33 followed by gear 10 and supporting rod 6 synchronizes to pump, and while pumping, screw rod 33 is (for non-self
Lock screw rod) produce revolving force, under the effect of revolving force, gear wheel 19 is with rotating with it, and revolving force passes to little gear
10, little gear 10 drives supporting rod 6 to make the head portion that of valve 4 the most upper and lower in combustor 38 while rotating
Move back and forth.
It is provided with screw reset spring 32, for providing a thrust upwards to screw rod 33 in described screw rod fairlead 34；
It is provided with supporting rod back-moving spring 7, for providing a thrust upwards to supporting rod 6 in described valve retaining sleeve 5.
Helical angle λ of described screw rod 33 is more than angle of friction ρ, for non-self-lock-ing screw rod, described gear wheel 19 and screw rod 33 it
Between ball nut 24 is installed, on the screw rod of gear wheel 19 upper surface install a splicing sleeve 23, radial thrust bearing is arranged on
On the screw rod of the lower end of gear wheel 19, described radial thrust bearing inner ring contacts with the top cover 26 of screw rod 33, screw rod 33 upper end
Sleeve 21 be arranged in splicing sleeve 23, screw rod 33 top pass sleeve 21, radial thrust bearing inner ring lower surface and splicing sleeve
23 shoulder end faces contact, and upper surface, radial thrust bearing outer ring contacts with drive socket 17, and transmission collar is arranged on transmission
Sleeve 17 upper surface.
Gear ratio i=4:1 between described gear wheel 19 and little gear 10；The inwall of described combustor 38 is provided with resistance wire
43, resistance wire 43 connects external power source；Fixing it is connected, such as detachable between described valve retainer fixture 45 and base station 1
Can be fixed on base station 1 by multiple bolts 46 in the radial direction of valve retainer fixture 45；Combustor 38 passes through bolt
Fix with base station 1.
Being provided with a fixed support 18 between described screw rod 33 and supporting rod 6, fixed support 18 is for screw rod 33 and clamping
Bar 6 positions；Supporting rod 6 and fixed support 18 are provided with sleeve 11.
Described valve moment impact mechanism includes sleeve, push rod 39, push rod 40, pusher motor 41；Described push rod 39 times
In end is placed in sleeve, upper end is stretched out sleeve and offsets with valve disc 4-2 front end face；Described push rod 40 is arranged in sleeve, its
Upper end is corresponding to the bottom of push rod 39, and is arranged with buffer spring 42 on the bottom of push rod 39；The lower end of push rod 40
Portion stretches out sleeve bottom and connects pusher motor 41.
Described high-temperature fuel gas feed system includes fuel tank 29, the booster pump 27 of oil dropping apparatus supercharging, aerator 48, controls switch
47, pulse igniter 36, nozzle 35, combustion tube 37；
Described aerator 48 connects combustor 38 input by the admission line 50 with a gas buffer filter tube 49
The sidewall of combustion tube 37；
Described fuel tank 29 connects nozzle 35 by one with the oil pipeline 31 of servo valve 28, and nozzle 35 ejection section is placed in combustion
Burn in pipe 37；Pulse igniter 36 is arranged on the sidewall of combustion tube 37；Control switch 47 connection and control servo valve 28 and pulse
Lighter 36, controls their ON/OFF；There is one piece of traverse 30 in described fuel tank 29, fuel tank 29 is divided into two the most not phases
Cavity room, upper chamber's dress air, lower chambers is charged.
A kind of Valve-valve seat circle friction pair abrasion test method is as follows:
Step one: valve-valve retainer friction pair wear test step under simulated combustion atmosphere, valve rotation operating mode: watch
Taking motor 20 drives camshaft 15 to rotate, and cam contacts with driver plate 14, and driver plate 14 is arranged on transmission collar 13,16,
Transferring the motion to gear wheel 19 and valve 4, valve 4 is opened, and screw reset spring 32 and supporting rod back-moving spring 7 are pressed simultaneously
Contracting, gear wheel 19, while stress moves downward, also by from screw rod 33 revolving force, produces and rotates, thus drive little tooth
Wheel 10 rotation, makes valve 4 produce rotary motion in opening process；In camshaft 15 return stroke, valve 4 and gear wheel 19 points
Not rising under the effect of screw reset spring 32 and supporting rod back-moving spring 7, gear wheel 19 is similarly subjected to from screw rod 33
Revolving force and rotate, so that valve 4 produces rotary motion；Valve 4 close and open whole during, gear wheel 19 He
Little gear 10 remains and is synchronized with the movement up and down, prevents two they in the vertical directions from producing relative motion, to avoid producing
The harmful effect that pinion rotation is caused by the frictional force on vertical direction；Taking a seat moment at valve 4, pusher motor 41 drives push rod
40 move upward, and make push rod 39 (with a certain size power) upwards impact valve 4 and keep surge to valve next time
Opening moment, simulate, with this, the gas pressure that valve 4 is suffered within the engine, open moment at valve 4, pusher motor 41 drives
Dynamic push rod 40 moves downward, and surge is cancelled, and meanwhile, booster pump 27 continues press-in sky in fuel tank 29 upper chamber
Gas, increases the pressure in fuel tank 29, and aerator 48, by admission line 50 input air in combustion tube 37, is taken a seat at valve 4
Moment, controlling switch 47 control servo valve 28 and open, fuel enters oil pipeline 31 under air pressure, and sprays from nozzle 35
Go out, mix with the air of input in admission line 50, meanwhile, control switch 47 control pulse igniter 36 and light fuel, produce
High-temperature fuel gas inputs to combustor 38, and simulation valve 4 and valve retainer 44 are washed away and corrosion process by high-temperature fuel gas；
Open moment at valve 4, control switch 47 control servo valve 28 and pulse igniter 36 is closed；Combustor 38 produces
Tail gas sequentially pass through tail gas discharge chamber 2-1, exhaustor 3 enters in exhaust collection case 2；Complete simulated combustion atmosphere, valve rotation
Valve-valve retainer friction pair wear test under condition of changing a job.
Simulation is without valve under combustion atmosphere, valve rotation operating mode-valve retainer friction pair wear test step: valve motion
Process is identical with step one；Close booster pump 27, servo valve 28 and pulse igniter 36；Supplying heat source is changed by original combustion gas
Become resistance wire 43 to heat, can complete without valve under combustion atmosphere, valve rotation operating mode-valve retainer friction pair wear test.
Simulation has combustion atmosphere, valve not to rotate the test procedure of valve under operating mode-valve retainer friction pair abrasion: combustion gas
Supply control process is identical with step one；Take off gear wheel 19, valve can be completed and do not rotate valve-valve retainer under operating mode and rub
Wipe secondary wear test.
Simulate the test not rotating valve under operating mode-valve retainer friction pair abrasion without combustion atmosphere, valve: close supercharging
Pump 27, servo valve 28 and ignition switch 36；Take off gear wheel 19, original combustion gas make supplying heat source into resistance wire 43 and heat,
Can complete not rotate valve under operating mode-valve retainer friction pair wear test without combustion atmosphere, valve.
As it has been described above, just can preferably realize this utility model.
Embodiment of the present utility model is also not restricted to the described embodiments, and other are any without departing from of the present utility model
The change made under spirit and principle, modify, substitute, combine, simplify, all should be the substitute mode of equivalence, be included in
Within protection domain of the present utility model.
Claims (7)
1. a Valve-valve seat circle friction pair abrasion test device, it is characterised in that:
The combustor (38) including base station (1), being arranged on base station (1) lower section, the high-temperature fuel gas that combustion gas is provided to combustor (38)
Feed system, the valve fairlead (4-1) being arranged on base station (1), be arranged on valve fairlead (4-1) top valve clamping
Overlap (5), the supporting rod (6) for clamping air valve (4) valve stem afterbody being arranged in valve retaining sleeve (5), be arranged on valve
The screw rod fairlead (34) of the screw rod (33) of fairlead (4-1) side, the bracing frame (1-1) being arranged on base station (1), it is arranged on
Its camshaft rotated (15) is driven by servomotor (20) on bracing frame (1-1)；
The valve disc (4-2) of described valve (4) is placed in combustor (38), after valve fairlead (4-1) with valve disc (4-2)
Offering a tail gas discharge chamber (2-1) on path between end face, tail gas discharge chamber (2-1) connects tail gas by exhaustor (3)
Collecting box (2)；Described valve disc (4-2) rear end face is additionally provided with a valve retainer fixture (45), valve retainer (44) interference fit
Set within it；When valve disc (4-2) rear end face offsets with valve retainer (44), combustor (38) and tail gas discharge chamber (2-
1) path between cuts off, when valve disc (4-2) rear end face separates with valve retainer (44), and combustor (38) and tail gas aerofluxus
Communication between chamber (2-1)；
One it is additionally provided with suffered within the engine for simulating valve (4) in combustor (38), below valve disc (4-2) front end face
The valve moment impact mechanism of gas pressure；
Screw rod fairlead (34) is stretched out in the upper end of described screw rod (33), and mounted thereon has gear wheel (19)；Described clamping
Valve retaining sleeve (5) is stretched out in the upper end of bar (6), and mounted thereon has the little gear (10) engaged with gear wheel (19)；
Radial thrust bearing (22,25,9,12) it is separately installed with on screw rod (33) and the top of supporting rod (6) and middle part, and
It is respectively equipped with a transmission collar (13,16) above the radial thrust bearing on each top, transmission collar (13,16) is provided with one
The cam contact of driver plate (14), the upper surface of driver plate (14) and camshaft (15), when camshaft (15) rotates, cam is past
Purgation again pressure driver plate (14), and synchronize to pass to screw rod (33) and clamping by reciprocal downforce square by transmission collar (13,16)
Bar (6), makes gear wheel (19) and little gear (10) follow screw rod (33) and supporting rod (6) synchronizes to pump, up and down
While reciprocating motion, screw rod (33) produces revolving force, and under the effect of revolving force, gear wheel (19) is with rotating with it, and will rotation
Turning power and pass to little gear (10), little gear (10) drives supporting rod (6) to make the head portion that of valve (4) in combustion while rotating
Pump in rotary manner in burning room (38).
Valve-valve seat circle friction pair abrasion test device the most according to claim 1, it is characterised in that: described screw rod is led
It is provided with screw reset spring (32), for providing a thrust upwards to screw rod (33) in set (34)；Described valve clamps
It is provided with supporting rod back-moving spring (7), for providing a thrust upwards to supporting rod (6) in set (5).
Valve-valve seat circle friction pair abrasion test device the most according to claim 1, it is characterised in that: described screw rod
(33) helical angle λ is more than angle of friction ρ, for non-self-lock-ing screw rod；Between described gear wheel (19) and screw rod (33), ball is installed
Nut (24), the screw rod of gear wheel (19) upper surface is installed a splicing sleeve (23), and radial thrust bearing is arranged on gear wheel
(19), on the screw rod of lower end, described radial thrust bearing inner ring contacts with the top cover (26) of screw rod (33), on screw rod (33)
The sleeve (21) of end is arranged in splicing sleeve (23), and screw rod (33) top passes sleeve (21), radial thrust bearing inner ring lower end
Face contacts with splicing sleeve (23) shoulder end face, and upper surface, radial thrust bearing outer ring contacts with drive socket (17), transmission
Collar is arranged on drive socket (17) upper surface.
Valve-valve seat circle friction pair abrasion test device the most according to claim 1, it is characterised in that: described gear wheel
(19) gear ratio i=4:1 and between little gear (10)；The inwall of described combustor (38) is provided with resistance wire (43), resistance wire
(43) external power source is connected；Fixing it is connected for detachable between described valve retainer fixture (45) and base station (1)；Combustor
(38) fixed with base station (1) by bolt.
Valve-valve seat circle friction pair abrasion test device the most according to claim 4, it is characterised in that: described screw rod
(33) and be provided with a fixed support (18) between supporting rod (6), fixed support (18) is for entering screw rod (33) and supporting rod (6)
Row location；Supporting rod (6) and fixed support (18) are provided with sleeve (11).
Valve-valve seat circle friction pair abrasion test device the most according to claim 1, it is characterised in that: described valve wink
Between beater mechanism include sleeve, push rod (39), push rod (40), pusher motor (41)；The bottom of described push rod (39) is placed in set
In cylinder, upper end is stretched out sleeve and offsets with valve disc (4-2) front end face；Described push rod (40) is arranged in sleeve, its upper end
Corresponding to the bottom of push rod (39), and on the bottom of push rod (39), it is arranged with buffer spring (42)；Under push rod (40)
End is stretched out sleeve bottom and connects pusher motor (41).
Valve-valve seat circle friction pair abrasion test device the most according to claim 1, it is characterised in that: described high temperature fires
Gas feed system includes fuel tank (29), the booster pump (27) of oil dropping apparatus supercharging, aerator (48), controls switch (47), pulse point
Firearm (36), nozzle (35), combustion tube (37)；
Described aerator (48) is defeated by connecting combustor (38) with the admission line (50) of a gas buffer filter tube (49)
Enter the sidewall of end burning pipe (37)；
Described fuel tank (29) by one with servo valve (28) oil pipeline (31) connect nozzle (35), nozzle (35) ejection section
It is placed in combustion tube (37)；Pulse igniter (36) is arranged on the sidewall of combustion tube (37)；Control switch (47) and connect control
Servo valve (28) and pulse igniter (36), control their ON/OFF；One piece of traverse (30) is had in described fuel tank (29),
Fuel tank (29) is divided into two not connected chambers, and upper chamber's dress air, lower chambers is charged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620416975.7U CN205844114U (en) | 2016-05-09 | 2016-05-09 | A kind of valve valve retainer friction pair abrasion test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620416975.7U CN205844114U (en) | 2016-05-09 | 2016-05-09 | A kind of valve valve retainer friction pair abrasion test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205844114U true CN205844114U (en) | 2016-12-28 |
Family
ID=57628124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620416975.7U Withdrawn - After Issue CN205844114U (en) | 2016-05-09 | 2016-05-09 | A kind of valve valve retainer friction pair abrasion test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205844114U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865960A (en) * | 2016-05-09 | 2016-08-17 | 华南理工大学 | Valve-valve seat ring friction pair wear test method and valve-valve seat ring friction pair wear test device |
| CN108032189A (en) * | 2017-11-30 | 2018-05-15 | 重庆鑫盟精密模具有限公司 | Auto parts machinery die processing method |
| CN108044455A (en) * | 2017-11-30 | 2018-05-18 | 重庆鑫盟精密模具有限公司 | Auto parts machinery equipments machining die |
-
2016
- 2016-05-09 CN CN201620416975.7U patent/CN205844114U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865960A (en) * | 2016-05-09 | 2016-08-17 | 华南理工大学 | Valve-valve seat ring friction pair wear test method and valve-valve seat ring friction pair wear test device |
| CN105865960B (en) * | 2016-05-09 | 2018-09-14 | 华南理工大学 | A kind of secondary abrasion test method of Valve-valve seat circle friction and device |
| CN108032189A (en) * | 2017-11-30 | 2018-05-15 | 重庆鑫盟精密模具有限公司 | Auto parts machinery die processing method |
| CN108044455A (en) * | 2017-11-30 | 2018-05-18 | 重庆鑫盟精密模具有限公司 | Auto parts machinery equipments machining die |
| CN108044455B (en) * | 2017-11-30 | 2020-04-21 | 重庆鑫盟精密模具有限公司 | Auto-parts mould processing equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205844114U (en) | A kind of valve valve retainer friction pair abrasion test device | |
| CN105865960B (en) | A kind of secondary abrasion test method of Valve-valve seat circle friction and device | |
| CN104833602B (en) | A kind of valve wear test device | |
| CN102829962A (en) | Quick wear test device of engine valve seat ring | |
| CN110107373A (en) | A kind of the engine air raft of pontoons structure and its control method of lift range variable | |
| CN101954974A (en) | Repeating aircraft catapult | |
| CN109057960A (en) | Environmental-friendly h type engine h | |
| CN106442191B (en) | Valve wear test device | |
| CN102175967A (en) | Automobile reading lamp key detection device and automobile reading lamp key and tap position detection device | |
| CN203680016U (en) | Grinding device for matching surfaces of air valve and valve seat of diesel engine for large ship | |
| CN103097661A (en) | Internal combustion engine | |
| CN201050386Y (en) | Multi-cylinder pneumatic press | |
| KR20170016930A (en) | Rotary motor | |
| CN204514741U (en) | A kind of valve wear proving installation | |
| CN106930826A (en) | Rotary engine | |
| CN106194409A (en) | A kind of rotary engine and method of work thereof | |
| CN104929769A (en) | Non-crankshaft engine with air cylinder contraposition device | |
| CN103659571A (en) | Grinding device for matching surface between air valve and valve seat of large-sized diesel engine | |
| US1502244A (en) | Engine | |
| CN104153880B (en) | Electromotor phasing gears tunes up torsion energy saver | |
| CN111396191B (en) | Rotary turntable type internal combustion engine | |
| CN201236731Y (en) | Fuel-economizing light-load valve actuating mechanism for internal-combustion engine | |
| CN206458519U (en) | Low energy consumption V-type Four valve conical cam shaft generator | |
| CN109026363A (en) | Hot gas engine with multi-cylinder | |
| CN101126347A (en) | Straight multi-cylinder lever operation internal combustion engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161228 Effective date of abandoning: 20180914 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20161228 Effective date of abandoning: 20180914 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |