CN108519228A - A kind of automatic separating/closing mechanism of inertial test table flywheel - Google Patents

A kind of automatic separating/closing mechanism of inertial test table flywheel Download PDF

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Publication number
CN108519228A
CN108519228A CN201810324754.0A CN201810324754A CN108519228A CN 108519228 A CN108519228 A CN 108519228A CN 201810324754 A CN201810324754 A CN 201810324754A CN 108519228 A CN108519228 A CN 108519228A
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CN
China
Prior art keywords
clutch
tooth
flywheel
bearing
inertial
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Pending
Application number
CN201810324754.0A
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Chinese (zh)
Inventor
刘学耕
刘毅
刘擘
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XI'AN SHUNTONG ELECTRICAL AND MECHANICAL TECHNOLOGY INSTITUTE
Original Assignee
XI'AN SHUNTONG ELECTRICAL AND MECHANICAL TECHNOLOGY INSTITUTE
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Priority to CN201810324754.0A priority Critical patent/CN108519228A/en
Publication of CN108519228A publication Critical patent/CN108519228A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

The invention discloses a kind of automatic separating/closing mechanism of inertial test table flywheel, including cylinder, 3rd bearing, main shaft, inertial flywheel, rack, and the cylinder is circular cylinder, and the circular cylinder includes piston, further includes the convex tooth of clutch, the recessed tooth of clutch;The recessed tooth of clutch is fixedly connected with inertial flywheel, and is connect with main shaft by first bearing, and hole card is connected between the first bearing and the recessed tooth of clutch;The convex tooth of clutch is connect with main axis, and is connect with circular cylinder piston by second bearing;The circular cylinder is connect by 3rd bearing with main shaft, and the 3rd bearing is connected with first axle card with cylinder;It is equipped with Kong Kayu the second axis cards between the convex tooth of the clutch and piston;It is fixed with sensor on the convex tooth of clutch and the recessed tooth of clutch.The mechanism can realize full-automatic function, more preferably be satisfied with the demand of modern industry, and save cost.

Description

A kind of automatic separating/closing mechanism of inertial test table flywheel
【Technical field】
The present invention relates to inertial flywheels in Properties of Friction Materials testing field, especially big load inertial test table certainly Dynamic separation, combining mechanism.
【Background technology】
With China's science and technology and economic rapid development, constantly updated in the technology of friction material industry, with institute of suitable junior college The demand of school, R&D institution or manufacturing enterprise to the performance test apparatus of friction material, mass flywheel load frequently increase, unload and tear open Dress problem, the problem just become during testing stand carry out on existing Properties of Friction Materials testing stand machine, testing stand platform It needs manually to switch in inertial flywheel configuration replacement process.
1. the patent No. " zl200420075561.x " discloses a kind of " testing stand inertia automatic dismantling dress in the prior art Set ", specifically disclose that " a kind of brake dynamometer frame automatic clutch flywheel group, including at least one flywheel, pass through bearing It is connected and fixed in shaft, corresponding each flywheel further includes clutch, with bonded between the clutch drive end and shaft It connects;Coupled with movable connection structure between the clutch driven end and flywheel;Part axial location structure is additionally provided on axis.” The technology realizes that the mechanism of the driving automatic division of flywheel and the mounting means of main shaft are realized and come with electromagnetic attraction with electromagnetic attraction In conjunction with the linkage of, separation, complete during the test to be carried out replacing manually at any time according to the requirement of experiment to drive flywheel Technology, the technology big inertial flywheel load, be detached from, cannot achieve, and inertial flywheel belong to it is semi-automatic combine and point From.
2. " design of brake tester high-precision mass flywheel group free of demolition " classification number disclosed in the prior art " TG65 " article numbers " 20140231 ", specifically disclose " for traditional brake tester experiment installation inertia adjustment, if Count a kind of high-precision, inertia free of demolition, environment-friendly type combination unit " when being not required to select the inertia disc, it unclamps separation and combines spiral shell The separation of inertia disc and inertia axis can be realized in nail, while being inserted into axis pin and connecting inertia disk with fixed frame, prevents bearing from hindering Power drives inertia disc rotation;When the inertia disc need to be selected, extracts axis pin and screw in separation simultaneously in conjunction with screw, you can realize inertia Disk is combined with inertia axis, using " 1225 " type combination, load, disengaging with flying wheel, in conjunction with fully belonging to replace manually Mode, operation it is very inconvenient.In the replacement of big inertial flywheel, first, manually replacing trouble, consumption human cost is big, There is also more security risks;Second is that the statistics to experimental data, analysis is caused to differ larger with gross data value, and test number According to inaccurate, the accuracy requirement of modern experimental data cannot be met.
For the above prior art because large-scale inertia quality itself is larger, operation is extremely inconvenient, so it is time-consuming and laborious to operate, The flywheel of hand will produce frictional force when realizing division between flywheel, and internal mechanism abrasion is more serious when rotating speed is higher, It needs periodically to go to replace, economic attrition is larger.
In view of this, special propose the present invention.
【Invention content】
In view of the defects existing in the prior art or insufficient, the purpose of the present invention is to provide one kind:First, inertial flywheel Full-automatic separating/closing mechanism is more suitable for the demand of modern automation industry, overcomes defect manually inconvenient for operation;Second is that drop The abrasion of low connection flywheel part, is that the mechanism service life is long, avoids replacing frequent defect because of abrasion.To realize the above mesh , the present invention uses following technical solution:
A kind of automatic separating/closing mechanism of inertial test table flywheel, including circular cylinder, 3rd bearing, main shaft, inertial flywheel, machine Frame, the cylinder include piston, it is characterised in that:Further include the convex tooth of clutch, the recessed tooth of clutch, first bearing, second bearing, 3rd bearing, Kong Ka, first axle card, the second axis card, sensor;The recessed tooth of clutch is fixedly connected with the inertial flywheel, And connect with the main shaft by the first bearing, the first bearing is connected by the recessed tooth of Kong Kayu clutches;Institute It states the convex tooth of clutch to connect with the main axis, and is connect with the piston of the cylinder by the second bearing;Described Two bearings and the convex tooth of clutch and the piston junction fixedly connected hole card and the second axis card;
The cylinder is connect by the 3rd bearing with the main shaft, the 3rd bearing by the first axle card with The cylinder connection;It is fixed with sensor on the convex tooth of clutch and the recessed tooth of the clutch.
Optionally, the sensor is tachogenerator.
Optionally, the tachogenerator is angular-rate sensor.
Optionally, the angular-rate sensor surface is equipped with screw thread, passes through screw thread and the convex tooth of clutch and the recessed tooth of clutch It is fixedly connected.
Optionally, the convex tooth of the clutch and the recessed tooth of clutch are equipped with groove, and the angular-rate sensor passes through adhesive It is fixed in the groove.
Optionally, the convex tooth of the clutch is connect with main spindle multiple spline, to transmit power.
Optionally, the convex tooth of the clutch be rotatablely connected by the way of spline with main shaft.
Optionally, the recessed tooth of the clutch is bolted to connection with inertial flywheel.
Optionally, the circular cylinder includes protecgulum and rear cover, and the protecgulum is bolted to connection with rear cover.
A kind of automatic separating/closing mechanism of inertial test table flywheel provided by the invention has following characteristics:
1. when cylinder is by A1A2 air inlets, the convex tooth of clutch and the recessed tooth of clutch are promoted by air pressure cylinder piston It is combined together, drives flywheel and main shaft synchronous rotary.
2. when cylinder is by B1B2 air inlets, cylinder piston is shunk, and discharge air causes to drive clutch and clutch point From so that flywheel rotation asynchronous with main shaft.
3. by the entrance and discharge of cylinder air, the convex tooth of clutch and the recessed tooth division of clutch are realized, to meet entirely certainly The demand of dynamicization conversion.
4. the convex tooth of clutch and the recessed tooth of clutch be when with main axis, for overcome the convex tooth of clutch and the recessed tooth of clutch it Between abrasion, be equipped with sensor in the convex tooth of clutch and the recessed tooth of clutch, avoid replacing because of abrasion frequently, save it is economical at This.
5. being equipped with axis card and hole card in the mechanism, whole stability is improved, the convex tooth of clutch and the recessed tooth of clutch are prevented It skids, then when cylinder intake or deflation, can more preferably seal the mechanism, promote point of the convex tooth of clutch with the recessed tooth of clutch It closes.
【Description of the drawings】
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the structural schematic diagram of ring clutch;
Fig. 3, Fig. 4 are the partial enlarged view of sensor mounting means;
In figure:1, cylinder back cover;2, air cylinder front cover;3, cylinder piston;4, the second axis card;5, clutch shaft bearing sleeve;6, hole Card;7, the convex tooth of clutch;8, the recessed tooth of clutch;9, inertial flywheel;10, first bearing;11, Kong Ka;12, supporting axis;13, spiral shell Bolt;14, second bearing;15, O types circle;16, O-ring;17, O-ring;18, O-ring;19, cylinder back cover bolt;20, third axis It holds;21 first axle cards.
【Specific implementation mode】
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description The present invention is described in further detail.Term " first ", " second " are used for description purposes only, and should not be understood as instruction or It implies relative importance or implicitly indicates the quantity of indicated technical characteristic.The spy of " first ", " second " is defined as a result, Sign can explicitly or implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, The meaning of " plurality " is two or more.
The automatic separating/closing mechanism of inertial test table flywheel as shown in Figure 1, including the convex tooth 7 of main shaft, circular cylinder, clutch, The recessed tooth 8 of clutch and inertial flywheel 9, the circular cylinder is connect by 3rd bearing 20 with main shaft, and is fixed on rack (C) not with main axis on.The convex tooth 7 of clutch is connect by second bearing 14 with the cylinder piston 3 of circular cylinder, in the structure In, the convex tooth of clutch 7 is the indirect critical component for realizing inertial flywheel 9 with main axis, and second bearing 14 is the convex tooth of clutch 7 With the critical component of piston 3, clutch shaft bearing sleeve 5 preferably is installed in second bearing 14, further protects second bearing 14. Second bearing 14 and 3 junction of piston are fixed with the second axis card 4, and hole card 6 is fixed with convex 7 junction of tooth of clutch, and second Axis card 4 and hole card 6 are fixedly connected with the second axis card 4 in such a way that card is sliding or nested mode is connect or other fixed forms connect It connects, effect one is to prevent the convex tooth 7 of clutch from skidding, and improves the efficiency that power transmits;Second is that the air-tightness between improving it;Three It is to play the role of fastening, prevents from falling off, baffle ring shape can be used in the second axis card 4 and hole card 6, and internal diameter is less than second bearing internal diameter, Fastening effect is good.The convex tooth 7 of clutch is connect with main shaft by way of spline, and main shaft is convex to clutch by spline in transmission 7 passing power of tooth, when piston 3 does not do contractile motion, the convex tooth 7 of clutch under the action of spline with main shaft synchronous rotary.
The recessed tooth 8 of clutch is connect by first bearing 10 with main shaft, between be equipped with hole card 11, effect is to prevent clutch The recessed tooth 8 of device skids with first bearing 10, improves effect.Using welding or bolt or spiral shell between the recessed tooth 8 of clutch and inertial flywheel The modes such as line are fixedly connected so that the recessed tooth 8 of clutch is rotated synchronously with inertial flywheel, and the recessed tooth 8 of clutch is passed in disengaging main shaft When the power passed, it can so that inertial flywheel also runs out of steam source.Another effect of providing holes card 11 is so that inertia flies Wheel 9 and the synchronism of the recessed tooth of clutch 8 are stronger.In Fig. 1, the recessed tooth of the convex tooth of clutch 7 and clutch 8 is designed with sensor, to Circular cylinder is transmitted when doing contractile motion, by aerodynamic force push the convex tooth 7 of clutch to the recessed tooth of clutch 8 close and connected to Being seriously worn when together, to avoid the recessed tooth of the convex tooth 7 of clutch and clutch 8 from being combined, it is recessed in the convex tooth 7 of clutch and clutch Tooth 8 is equipped with sensor 30, avoids often replacing or repair the convex tooth 7 of clutch and the recessed tooth 8 of clutch because wall is worn, maximizes section About economic cost, and efficiency is improved, overcome and realizes that flywheel combination cost is too high and uneconomic using great-power electromagnetic clutch Problem.When needing to drive multiple big inertial flywheel rotations, it is big to ensure with recessed 8 model of tooth of clutch to replace the convex tooth 7 of clutch Inertial flywheel normal rotation avoids the loss of clutch convex tooth 7 and recessed 8 component of tooth of clutch, then with the inertia of big inertial flywheel On the basis of grade, adjusts cylinder model or increase aerodynamic force to meet the rotating requires to big inertial flywheel.
Sensor 30 can be resistance strain type sensor, capacitance type sensor, inductance type transducer, piezoelectric type sensing Device, magnetoelectric sensor, thermoelectric transducer, photoelectric sensor, common other novel sensors, intelligence sensor etc., are used Work is the information that can be experienced measured information, and can will experience, and is for conversion into electric signal or other institutes according to certain rules It needs the information of form to export, with requirements such as the transmission, processing, storage, display, record and the controls that meet information, transmits clutch Convex tooth 7 and the recessed 8 correct combining information of tooth of clutch, prevent between the convex tooth 7 of clutch and the recessed tooth of clutch 8 or with other portions Skidding, collision, damage and fail message between part etc..
Further, the type of sensor 30 is tachogenerator, and tachogenerator includes linear velocity trans and angular speed Sensor, preferably angular-rate sensor carry out Information Statistics and control to the rotating speed of the convex tooth of clutch 7 and the recessed tooth of clutch 8, It is to reduce the recessed tooth of the convex tooth 7 of clutch and clutch 8 to wear that small, service life is long that it, which is acted on,.
As shown in Figure 3 and Figure 4, there are two types of 30 preferred mounting means of sensor:First, in the convex tooth of 30 clutch of sensor 7 are equipped with the sensor threads hole that shape is identical as sensor or is more than with the recessed tooth 8 of clutch, and sensor 30 can be cased with external screw thread Sensor sleeve or sensor 30 make when be processed into external screw thread;Second is that the recessed tooth of the convex tooth 7 of clutch and clutch 8 is set It is fluted, sensor is bonded on the recessed tooth of the convex tooth of clutch 7 and clutch 8, bonded adhesives uses seccotine, such as methyl dicyan Base butenoate adhesive.Advantage is so that the rotation holding of sensor and the convex tooth 7 of clutch and the recessed tooth of clutch 8 is synchronous Property, information control is more accurate.When repeatedly being counted to experimental data, the recessed tooth of the convex tooth 7 of clutch and clutch 8 need to be combined repeatedly With detach, the convex tooth 7 of main shaft and clutch and recessed 8 rotation information of tooth of clutch, control master are transmitted to receiver by sensor 30 The size of 3 aerodynamic force of rotating speed and cylinder of axis makes the convex tooth 7 of clutch and the recessed 8 efficiently combination of tooth of clutch, while reducing mill Damage, increases the convex tooth 7 of clutch and clutch recessed 8 service life of tooth is long, and ensures the accuracy of experimental data.
As shown in Fig. 2, further being protected to circular cylinder, prevent dust, solid particle etc. from entering circular cylinder and preventing To the abrasion of circular cylinder between stop part, it is equipped with air cylinder front cover 1 and cylinder back cover 2, air cylinder front cover 1 passes through with cylinder back cover 2 The mode of bolt is fixedly connected, and "O"-ring 15,16,17,18,3rd bearing 20 and cylinder are equipped between cylinder and piston Between be equipped with first axle card 21.
When cylinder is by A1A2 air inlets, pressure air pushes the convex tooth of clutch (7), close to the recessed tooth of clutch (8), main Axis imparts power to clutch (7) by spline, and the recessed tooth of the convex tooth of clutch 7 and clutch 8 is more under the action of sensor 30 Good combination, the power of main shaft pass to the recessed tooth of clutch (8) by the convex tooth of clutch (7), due to the recessed tooth of clutch (8) and are used to Property flywheel (9) linked together by bolt (13), so inertial flywheel (9) by clutch (8) drive, complete inertial flywheel (9) automatic to combine the whole process rotated with main shaft.
When B1B2 air inlets, cylinder piston (3), which is done, to be shunk, and the convex tooth of clutch (7) is driven to be detached with the recessed tooth of clutch (8). The recessed tooth of clutch (8) with main shaft is connect by first bearing (10), is connected between first bearing (10) and the recessed tooth of clutch (8) There is hole card (11), so after clutch (7) and clutch (8) are from separating, clutch (8) is detached from the power transmission of main shaft, along with Also so that inertial flywheel (9) is detached from power transmission with main shaft, complete the whole process that inertial flywheel (9) is detached from main shaft power.
A kind of inertial flywheel testing stand, including the automatic separating/closing mechanism of inertial test table flywheel, pass through the convex tooth of clutch (7) with the recessed tooth of clutch (8) preferably combine and detach, the combination of indirect realized between inertial flywheel 9 and main shaft with It detaches, the full-automatic requirement of realization, to meet the needs of modernization industry, reduces loss, saves money, overcome because of half certainly Dynamicization or the defect for replacing flywheel manually.
A kind of automatic separating/closing mechanism of inertial test table flywheel provided by the present invention is described in detail above.Herein In apply specific case principle and implementation of the present invention are described, the explanation of above example is only intended to sides Assistant solves core of the invention thought.It should be pointed out that for those skilled in the art, not departing from invention Under the premise of principle, can also to invention some improvement and modification can also be carried out, these improvement and modification also fall into invention claim Protection domain in.

Claims (10)

1. a kind of automatic separating/closing mechanism of inertial test table flywheel, including circular cylinder, 3rd bearing, main shaft, inertial flywheel, machine Frame, the cylinder include piston, it is characterised in that:Further include the convex tooth of clutch, the recessed tooth of clutch, first bearing, second bearing, 3rd bearing, Kong Ka, first axle card, the second axis card, sensor;
The recessed tooth of clutch is fixedly connected with the inertial flywheel, and is connect with the main shaft by the first bearing, institute First bearing is stated by the recessed tooth of Kong Kayu clutches to be connected;
The convex tooth of clutch is connect with the main axis, and is connect with the piston of the cylinder by the second bearing; The second bearing and the convex tooth of clutch and the piston junction fixedly connected hole card and the second axis card;
The cylinder is connect by the 3rd bearing with the main shaft, the 3rd bearing by the first axle card with it is described Cylinder connects;
It is fixed with sensor on the convex tooth of clutch and the recessed tooth of the clutch.
2. the automatic separating/closing mechanism of inertial test table flywheel as described in claim 1, it is characterised in that:The sensor is to test the speed Sensor.
3. the automatic separating/closing mechanism of inertial test table flywheel as claimed in claim 2, it is characterised in that:The tachogenerator is Angular-rate sensor.
4. the automatic separating/closing mechanism of inertial test table flywheel as claimed in claim 3, it is characterised in that:The convex tooth of clutch and The recessed tooth of clutch is equipped with screw hole, and the angular-rate sensor surface is equipped with external screw thread, is fixedly connected by way of screw thread.
5. the automatic separating/closing mechanism of inertial test table flywheel as claimed in claim 3, it is characterised in that:The convex tooth of clutch and The recessed tooth of clutch is equipped with groove, and the angular-rate sensor is fixed on by adhesive in the groove.
6. such as the automatic separating/closing mechanism of inertial test table flywheel described in any one of claim 1 to 5, it is characterised in that:It is described from The convex tooth of clutch is fixedly connected with main shaft using spline mode, to transmit power.
7. the automatic separating/closing mechanism of inertial test table flywheel as claimed in claim 6, it is characterised in that:The convex tooth of clutch with Main shaft is rotatablely connected by the way of spline.
8. the automatic separating/closing mechanism of inertial test table flywheel as claimed in claim 7, it is characterised in that:The recessed tooth of clutch with Inertial flywheel is bolted to connection.
9. the automatic separating/closing mechanism of inertial test table flywheel as claimed in claim 8, it is characterised in that:The circular cylinder includes Protecgulum and rear cover, the protecgulum are bolted to connection with rear cover.
10. a kind of inertial flywheel testing stand with the automatic separating/closing mechanism of inertial test table flywheel described in claim 1-5.
CN201810324754.0A 2018-04-12 2018-04-12 A kind of automatic separating/closing mechanism of inertial test table flywheel Pending CN108519228A (en)

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CN201810324754.0A CN108519228A (en) 2018-04-12 2018-04-12 A kind of automatic separating/closing mechanism of inertial test table flywheel

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115183042A (en) * 2022-09-13 2022-10-14 常州华立阀门控制设备有限公司 Multi-rotation electric valve actuator

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1140141A (en) * 1995-02-18 1997-01-15 易通公司 Control method/system for pneumatically actuated clutch
CN1165099A (en) * 1996-02-02 1997-11-19 易通公司 Method and apparatus for slip mode control of automatic clutch
CN104067016A (en) * 2011-07-05 2014-09-24 舍弗勒技术有限两合公司 Method for monitoring a clutch
CN104849161A (en) * 2015-04-29 2015-08-19 西安顺通机电应用技术研究所 Automatic inertial flywheel disengaging-engaging mechanism for testbed
CN204605526U (en) * 2015-02-06 2015-09-02 浙江奋进机械有限公司 A kind of speed measuring device of power-transfer clutch

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1140141A (en) * 1995-02-18 1997-01-15 易通公司 Control method/system for pneumatically actuated clutch
US5676229A (en) * 1995-02-18 1997-10-14 Eaton Corporation Control method/system for pneumatically actuated clutch
CN1165099A (en) * 1996-02-02 1997-11-19 易通公司 Method and apparatus for slip mode control of automatic clutch
CN104067016A (en) * 2011-07-05 2014-09-24 舍弗勒技术有限两合公司 Method for monitoring a clutch
CN204605526U (en) * 2015-02-06 2015-09-02 浙江奋进机械有限公司 A kind of speed measuring device of power-transfer clutch
CN104849161A (en) * 2015-04-29 2015-08-19 西安顺通机电应用技术研究所 Automatic inertial flywheel disengaging-engaging mechanism for testbed

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115183042A (en) * 2022-09-13 2022-10-14 常州华立阀门控制设备有限公司 Multi-rotation electric valve actuator

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