CN1045153A - Motor porthole-gate seat double end reinforcing abrasion simulation test machine - Google Patents
Motor porthole-gate seat double end reinforcing abrasion simulation test machine Download PDFInfo
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- CN1045153A CN1045153A CN 90100227 CN90100227A CN1045153A CN 1045153 A CN1045153 A CN 1045153A CN 90100227 CN90100227 CN 90100227 CN 90100227 A CN90100227 A CN 90100227A CN 1045153 A CN1045153 A CN 1045153A
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- porthole
- gate seat
- motor
- semiaxis
- double end
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Abstract
Motor porthole-gate seat double end reinforcing abrasion simulation test machine, by transmission system, force loading system, high temperature corrosion system and control system are formed, because the present invention can realize the single head automatic stopping, can carry out repetition equivalent loads, adopted pressure difference to spray high-temperature corrosion device, therefore this testing machine is applicable to each auto producer, engine works, the quality of product evaluation of porthole-gate seat and cam one tappet special manufacturer and corresponding research institution are to the new material of these two pairs of friction pairs, the research of new process and product structure design, thus the new material of these two pairs of friction pairs improved, the The Study on New Technology level.
Description
The invention belongs to engine friction wear testing technology.
Motor porthole one gate seat is the key component in the motor.During engine operation, this is bearing frequent impact force (its value can reach the hundreds of kilogram) to fastness, wherein, the steam discharge door also is subjected to the corrosive action of 600～900 ℃ of high temperature and incomplete combustion product, and bad working environment has been quickened this wearing and tearing and fracture failure to fastness.To the research of porthole one gate seat, can improve the high-speed overload ability of motor effectively and reduce energy consumption.But because work under bad environment, the simulation difficulty is bigger.Existing data shows, the still incompetent both at home and abroad porthole one gate seat testing machine of porthole one gate seat under the high temperature corrosion percussion of simulating.Both at home and abroad the evaluation to one gate seat working life of motor porthole is to carry out on the motor complete machine, overall test not only the cycle long, expend great amount of manpower and material resources, and influence factor is many, test data is disperseed, and is difficult in depth study this wearing and tearing and fracture failure reason to fastness.This has hindered to a great extent to this new material to fastness, new process research.The present invention provides test conditions in depth studying this to fastness.Predominant use of the present invention is:
1, can simulate high temperature, corrosion and the impact condition of porthole one gate seat in motor, can simulate the oily temperature operating conditions of cam one tappet in motor, and under simulated conditions, estimate the working life of these two pairs of fastnesses;
2, can in the speed and load range of broad, estimate joining a life-span of porthole one gate seat, these two pairs of fastnesses of cam one tappet simultaneously;
3, can study the wear failure mechanism of porthole one gate seat, cam one tappet in single controlling factors ground, thereby can improve new material, the The Study on New Technology level of these two pairs of fastnesses significantly;
4, be applicable to the research of the quality of product evaluation of each auto producer, engine works, porthole one gate seat and cam one tappet special manufacturer and corresponding research institution to new material, new process and the product structure design of these two pairs of fastnesses.
This testing machine is made up of four parts: can realize the self-stopping transmission system of single head, can carry out high temperature corrosion system and control system that force loading system, employing, pressure difference that repetition equivalent loads are sprayed high-temperature corrosion device.
Below in conjunction with accompanying drawing the present invention is specified:
Fig. 1, motor porthole one gate seat double end reinforcing abrasion simulation test machine structure diagram
Fig. 2, testing machine pressure difference are sprayed high-temperature corrosion device figure
One, transmission system: three fast variable speed electric motors, particularlies (3) are housed on loose-leaf type adjustable motor base (1), motor output torque is through driving wheel (30), v belt (27) is passed to passive cone pulley (26), cone pulley (26) is enclosed within on the semiaxis (5) with the bearing sky, three kinds of speed of motor are arranged in pairs or groups mutually with two kinds of speed ratios of cone pulley (26), can make cone pulley (26) obtain six kinds of rotating speeds, interior guide pin bushing of magnetic clutch (4) and driven friction are contained on the semiaxis (5) with the key sliding fit, overcoat and rotating plate connect with cone pulley (26), semiaxis (5) is mounted on two cone bearing location on the support, when cone pulley (26) turns round, magnetic clutch (4) overcoat and rotating plate rotation, interior cover does not rotate, have only when the electromagnet in control system (2) the startup clutch, the interior cover of magnetic clutch (4) just drives semiaxis (5) rotation, the athletic performance of semiaxis (5) is controlled by magnetic clutch (4), two-semiaxle (5) can rotate simultaneously also and can rotate by a semiaxis, another semiaxis does not rotate, cam (7) is fastened on the screw axis (6), the other end of screw axis (6) is connected with semiaxis (5), tappet (8) can slide up and down and rotate in the sliding sleeve of frame, and cam (7) is subjected to by loading depression bar (14) by porthole (11), the pressure that the transmission of push rod (9) and tappet (8) are come.
Native system adopts bipitch structure, two portholes and gate seat sample promptly once can be installed, but can make again simultaneously when arbitrary group of porthole and gate seat life-span reach predetermined value, just realize the single head automatic stopping, concrete action is as follows: because porthole (11) rises is to promote tappet (8) by cam (7) to realize the friction adhesive moment M that the power transmission between cam (7) and cone pulley (26) produces by electromagnetic friction clutch (4)
InhaleRealize M
InhaleSize by control system (2) control, when valve link fractures or during the tappet scratch, the resisting moment M of the surface friction drag generation between cam (7) and tappet (8)
Resistance＞M
InhaleThe time, magnetic clutch (4) is thrown off, and realizes the single head automatic stopping; If valve link does not fracture, and the normal direction deflection (wear extent) between the porthole (11) and gate seat (12) conical surface is when reaching a certain setting value, moving contact (35) on the porthole (11) with decide contact (36) and contact, the signal that produces also makes magnetic clutch (4) throw off, realize the single head automatic stopping, when single head stopped, control system (2) can be noted the reciprocal test number (TN) of porthole (11) simultaneously.
In the test, oil heater (29) is warm with the oil that oil is heated to test requirements document, supplies with the rubbing surface of cam (7) and tappet (8) then by gear oil pump (28), with cam in the simulated engine and the lubricating status between tappet.
Two, force loading system: load screw thread and add carrier (24) and be connected, load screw rod (16) and load between the depression bar (14) pressure spring (15) is housed, pointer is housed in the upper spring seat (when tightening screw rod (16), spring (15) compression, pointer moves, the size of indication loading force), worm screw (31) is contained on the support (25) with bearing mutual vertically with lifting screw (17) axis, worm gear (38) is fastened on the lower end of lifting screw (17) and meshes with screw rod (31), and adding carrier (24) can slide up and down along four guide rods, guide rod is fastened between support (25) and the pressing plate (23).
During test, at first load and will regulate when loading screw rod (16), unloading, rotary worm axle (31) makes and adds carrier (24) rising, and the boss plane that load depression bar (14) this moment contacts with adding carrier (24), has realized unloading.When repeating to load, the button that only need press in the control system (2) makes worm shaft (31) counter-rotating, adding carrier (24) descends, load depression bar (14) pressure spring that oppositely rises, its reaction force is applied to the end of porthole (11), realized when loading for the first time equal quantities load repeat load.
Three, high temperature corrosion system: adopt pressure difference to spray high-temperature corrosion device.Test oil is by reduction valve (21) service, pipeline (18) and pipeline parts (19) (20) (21) are installed on the pressing plate (23), double end oil sprayer (20) and one-way throttle valve (19), in parallel with compressed air inlet (22) and reduction valve (21), test oil enters the center of orifices that loads depression bar (14) through pipeline (18) and is ejected into firing chamber (37), electric furnace in the firing chamber (33) is fixed in the upper water sleeve (32), when loading depression bar (14) passes through the axis hole of upper water sleeve, with two small piston rings it is sealed, piston ring can be in the water jacket axis hole on, lower slider, lower water jacket (34) is fixed on the support (25), when adding carrier (24) with support (25) applying, on, lower water jacket elasticity under spring (13) effect is fitted, the power that is adjacent to is regulated by spring (13), on, the effect of lower water jacket is that the heat that reduces high-temperature electric resistance furnace (33) is propagated to body.Non-migration when porthole during for proof test (11) contacts with the conical surface of gate seat (12), be installed in the lower water jacket (34) porthole guide rod (39) and gate seat (12) coaxial line, be contained in screw rod (40) in the push rod (9) and be used for regulating porthole (11), tappet (8) and push rod (9) three's total length, when making it porthole and taking a seat, between the basic circle of tappet (8) and cam (7) certain clearance is arranged, to guarantee that porthole contacts with the gate seat conical surface.
During test, moving contact (35) is fastened on the bar of test porthole (11), decides the bottom surface that contact (36) is fastened on lower water jacket (34), when porthole sinking (when may wear to a certain degree), upper and lower contact contact, signal feed back realizes automatic stopping in control system (2).
It is to solve the key problem in technology that is subjected to high temperature corrosion and frequent impact at laboratory simulation motor porthole one gate seat that pressure difference is sprayed high-temperature corrosion device.High temperature is provided by electric furnace (33), when cam (7) rotates to basic circle and tappet (8) when contacting, porthole (11) descends, porthole (11) conical surface and gate seat (12) conical surface are fitted, pressure in firing chamber this moment (37) is consistent with the pressure that pipeline (18) is located, when cam (7) rotates to cam nose and tappet (8) when contacting, porthole (11) rises, porthole (11) conical surface and gate seat (12) conical surface are thrown off, at this moment, pressure in the firing chamber (37) is consistent with atmospheric pressure, because pipeline (18) pressure is greater than firing chamber (37) pressure, test oil then ejects from the center of orifices that loads depression bar (14) with vaporific, fuel oil burning under electric furnace (33) effect, its smog is being arranged to outlet by the porthole (11) and gate seat (12) conical surface, (10) in the process, wash away the porthole (11) and gate seat (12) conical surface, and products of combustion remained on porthole (11) and gate seat (12) conical surface, cam (7) is rotation continuously, firing chamber (37) intermediate fuel oil smog is when repeating said process, the inertial force that produces with the molded lines acceleration of cam (7) between porthole (11) and gate seat (12) impacts mutually, has realized high-speed following porthole one gate seat high temperature corrosion shock simulation effect like this.
Four, control system: this system is mainly used in the action of each moving element of control testing machine and the collection of test data.
Claims (4)
1, motor porthole one gate seat double end reinforcing abrasion simulation test machine, it is characterized in that by can realize the self-stopping transmission system of single head, can carry out the force loading system that repetition equivalent loads, high temperature corrosion system and the control system that adopts pressure difference to spray high-temperature corrosion device formed.
2, motor porthole one gate seat double end reinforcing abrasion simulation test machine according to claim 1, the structure that it is characterized in that transmission system is: three fast variable speed electric motors, particularlies (3) are housed on loose-leaf type adjustable motor base (1), the motor output torque is through driving wheel (30), v belt (27) is passed to passive cone pulley (26), cone pulley (26) is enclosed within on the semiaxis (5) with the bearing sky, interior guide pin bushing of magnetic clutch (4) and driven friction are contained on the semiaxis (5) with the key sliding fit, overcoat and rotating plate connect with cone pulley (26), semiaxis (5) is mounted on two cone bearing location on the support, when cone pulley (26) turns round, magnetic clutch (4) overcoat and rotating plate rotation, interior cover does not rotate, have only when the electromagnet in control system (2) the startup clutch, the interior cover of magnetic clutch (4) just drives semiaxis (5) rotation, the athletic performance of semiaxis (5) is controlled by magnetic clutch (4), two-semiaxle (5) can rotate simultaneously also and can rotate by a semiaxis, another semiaxis does not rotate, cam (7) is fastened on the screw axis (6), the other end of screw axis (6) is connected with semiaxis (5), tappet (8) can slide up and down and rotate in the sliding sleeve of frame, and cam (7) is subjected to by loading depression bar (14) by porthole (11), the pressure that the transmission of push rod (9) and tappet (8) are come.
3, motor porthole one gate seat double end reinforcing abrasion simulation test machine according to claim 1, the structure that it is characterized in that force loading system is: load screw thread and add carrier (24) and be connected, load screw rod (16) and load between the depression bar (14) pressure spring (15) is housed, pointer is housed in the upper spring seat, worm screw (31) is contained on the support (25) with bearing mutual vertically with lifting screw (17) axis, worm gear (38) is fastened on the lower end of lifting screw (17) and meshes with worm screw (31), adding carrier (24) can slide up and down along four guide rods, and guide rod is fastened between support (25) and the pressing plate (23).
4, motor porthole one gate seat double end reinforcing abrasion simulation test machine according to claim 1, the structure that it is characterized in that pressure difference injection high-temperature corrosion device is: pipeline (18) and pipeline parts (19) (20) (21) are installed on the pressing plate (23), double end oil sprayer (20) and one-way throttle valve (19) are in parallel with compressed air inlet (22) and reduction valve (21), test oil enters the center of orifices that loads depression bar (14) through pipeline (18) and is ejected into firing chamber (37), electric furnace of resistance type in the firing chamber (33) is fixed in the upper water sleeve (32), when loading depression bar (14) passes through the axis hole of upper water sleeve, with two small piston rings it is sealed, piston ring can be in the water jacket axis hole on, lower slider, lower water jacket (34) is fixed on the support (25), when adding carrier (24) with support (25) applying, on, lower water jacket elasticity under spring (13) effect is fitted, the power that is adjacent to is regulated by spring (13), be installed in the lower water jacket (34), the screw rod (40) that is contained in the push rod (9) is used for regulating porthole (11) porthole guide rod (39) and gate seat (12) coaxial line, tappet (8) and push rod (9) three's total length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90100227 CN1018372B (en) | 1990-01-12 | 1990-01-12 | Simulating tester of double head strengthen wear between engine's air valve and seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90100227 CN1018372B (en) | 1990-01-12 | 1990-01-12 | Simulating tester of double head strengthen wear between engine's air valve and seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1045153A true CN1045153A (en) | 1990-09-05 |
| CN1018372B CN1018372B (en) | 1992-09-23 |
Family
ID=4876540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90100227 Expired CN1018372B (en) | 1990-01-12 | 1990-01-12 | Simulating tester of double head strengthen wear between engine's air valve and seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1018372B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829962A (en) * | 2012-08-14 | 2012-12-19 | 杭州电子科技大学 | Quick wear test device of engine valve seat ring |
| CN104792637A (en) * | 2014-01-22 | 2015-07-22 | 曾琦 | Testing method and apparatus for frictional wear of valve body |
| CN105651634A (en) * | 2016-01-22 | 2016-06-08 | 刘佐民 | Engine valve-guide pipe strengthening abrasion simulation experiment machine |
| CN105716979A (en) * | 2016-02-04 | 2016-06-29 | 潍柴动力股份有限公司 | Abrasion test device for cam and tappet friction pair |
| CN105716851A (en) * | 2016-03-30 | 2016-06-29 | 华南理工大学 | Rotating bending fatigue testing machine for valves |
| CN106568587A (en) * | 2016-11-02 | 2017-04-19 | 上海航天设备制造总厂 | Different-direction synchronous load test device and use method thereof |
| CN106769073A (en) * | 2017-03-15 | 2017-05-31 | 西华大学 | The experimental provision and its experimental technique of single combustive in a kind of simulated engine cylinder |
| CN109938578A (en) * | 2017-12-20 | 2019-06-28 | 广东美的生活电器制造有限公司 | Screw rod, food preparation cup and food processor |
-
1990
- 1990-01-12 CN CN 90100227 patent/CN1018372B/en not_active Expired
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829962A (en) * | 2012-08-14 | 2012-12-19 | 杭州电子科技大学 | Quick wear test device of engine valve seat ring |
| CN102829962B (en) * | 2012-08-14 | 2015-05-20 | 杭州电子科技大学 | Quick wear test device of engine valve seat ring |
| CN104792637A (en) * | 2014-01-22 | 2015-07-22 | 曾琦 | Testing method and apparatus for frictional wear of valve body |
| CN105651634B (en) * | 2016-01-22 | 2018-08-07 | 刘佐民 | Engine valve-conduit reinforcing abrasion simulated experiment machine |
| CN105651634A (en) * | 2016-01-22 | 2016-06-08 | 刘佐民 | Engine valve-guide pipe strengthening abrasion simulation experiment machine |
| CN105716979A (en) * | 2016-02-04 | 2016-06-29 | 潍柴动力股份有限公司 | Abrasion test device for cam and tappet friction pair |
| CN105716851A (en) * | 2016-03-30 | 2016-06-29 | 华南理工大学 | Rotating bending fatigue testing machine for valves |
| CN105716851B (en) * | 2016-03-30 | 2018-06-19 | 华南理工大学 | A kind of valve rotation fatigue bending machine |
| CN106568587A (en) * | 2016-11-02 | 2017-04-19 | 上海航天设备制造总厂 | Different-direction synchronous load test device and use method thereof |
| CN106769073A (en) * | 2017-03-15 | 2017-05-31 | 西华大学 | The experimental provision and its experimental technique of single combustive in a kind of simulated engine cylinder |
| CN106769073B (en) * | 2017-03-15 | 2023-04-07 | 西华大学 | Experimental device and experimental method for simulating single combustion in engine cylinder |
| CN109938578A (en) * | 2017-12-20 | 2019-06-28 | 广东美的生活电器制造有限公司 | Screw rod, food preparation cup and food processor |
| CN109938578B (en) * | 2017-12-20 | 2021-05-04 | 广东美的生活电器制造有限公司 | Screw, food processing cup and food processor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1018372B (en) | 1992-09-23 |
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