CN201828237U - Automatic axial clearance measurement instrument for tapered roller bearing of automobile gearbox - Google Patents
Automatic axial clearance measurement instrument for tapered roller bearing of automobile gearbox Download PDFInfo
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- CN201828237U CN201828237U CN2010205528266U CN201020552826U CN201828237U CN 201828237 U CN201828237 U CN 201828237U CN 2010205528266 U CN2010205528266 U CN 2010205528266U CN 201020552826 U CN201020552826 U CN 201020552826U CN 201828237 U CN201828237 U CN 201828237U
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Abstract
The utility model discloses an automatic axial clearance measurement instrument for a tapered roller bearing of an automobile gearbox, which is characterized in that the automatic axial clearance measurement instrument is provided with a frame body (10), a working table (9), a lower external footstall (27), a lower rotating shaft (21), a lower inner table (20), a belt driven wheel (38), a steel ball (40), a speed-regulating motor (2), a belt driving wheel (43), a belt (44), a belt driven wheel (38), a tensioning assembly (35), a load hanging plate (32), a lower load frame (31) capable of moving up and down, a load rod (30), a load (29), a measuring hanging plate (22), a dial clamp (24), an inductance measuring head (23), a measuring lever (25), a bracket (3), a link plate (5), a compassion cylinder (12), a bearing bush (6), a movable plate (4), a portal frame (8), a guide rod (7), a pressurizing cylinder (13), an upper external footstall (16), an upper external table (17), an upper rotating shaft (15), an upper inner table (18), an air path system and an electric maneuvering box (14). In the utility model, the safety and reliability of the bearing can be ensured by controlling the accuracy of the axial clearance of the gearbox bearing, so that the requirements of high load and high efficiency of the automobile gearbox can be ensured and further the driving safety of the automobiles can be further ensured.
Description
Technical field:
The utility model relates to a kind of automatic measuring instrument, relates in particular to a kind of automobile axial clearance of double-row conical bearing automatic measuring instrument.
Background technology:
Bearing is one of important foundation part of mechanical industry, and effect is extensive in every field, effect is of crucial importance.The kind and the quantity of automobile bearing are various, different positions and service condition have nothing in common with each other to the requirement of bearing, the wheel box bearing is the proportion maximum in automobile, and occupying critical role in wheel box is taper roll bearing, and suitable bearing end-play helps the operate as normal of rolling bearing.Play is too small, and the rolling bearing temperature raises, can't operate as normal, so that rolling body is stuck; Play is excessive, and vibration equipment is big, and the rolling bearing noise is big.
At present, wheel box has following several with the detection method of the end-play of taper roll bearing:
1, sensation method:
Touch the end-play that the bearing axle head is checked rolling bearing with hand, this method is applied to the occasion that axle head exposes.In the time of hand inspection can not being used when the axle head sealing or because of other reasons, can check whether axle rotates flexibly.
2, mensuration
(1) use the clearance gauge inspection, method of operating is with identical with the method for clearance gauge inspection end-play, but end-play should be
c＝λ/(2sinβ)
C--end-play in the formula, mm;
λ--clearance gauge thickness, mm;
β--bearing cone angle, (°).
(2) use the clock gauge inspection, with two cover inner assemblies and spacer ring locking, fixedly the outer ring is afterburning respectively at the axle two ends, makes axle when two extreme positions with special axis, and the difference of clock gauge reading is the end-play of bearing.But it is wayward to apply power, and end-play is excessive, produces noise, and housing generation elastic deformation even distortion is very little, also influences the accuracy of the end-play of surveying.
More than several detection methods all be operation manually, personal error is bigger, time and effort consuming when carrying out batch detection can't be met the need of market at all, therefore, the project that development can Automatic Detection and Control bearing clearance equipment is imperative.
The utility model content:
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art and provides a kind of precision by control wheel box bearing end-play to guarantee the safe reliability of this bearing, thereby guarantee high load capacity, the high-level efficiency requirement of automobile gearbox, and then guarantee a kind of automobile gearbox taper roll bearing end-play automatic measuring instrument of ride safety of automobile.
The purpose of this utility model can reach by following measure: a kind of automobile gearbox taper roll bearing end-play automatic measuring instrument, it has support body, support body is provided with worktable, the middle part, lower end that it is characterized in that worktable in the support body is provided with down outer pedestal, be provided with lower rotary shaft in the outer pedestal down, be with spring on the lower rotary shaft, the upper end of lower rotary shaft connects lower inner platform, the lower rotary shaft bottom is provided with the belt follower, the end of lower rotary shaft is pressed with steel ball, the worktable bottom is provided with the buncher by controller control, buncher connects the belt driving wheel, the belt driving wheel connects the belt follower by belt, belt is provided with the tensioner assembly, following outer pedestal connected load link plate, the load link plate connects the frame of movably loading down up and down, under load frame by bearing connected load bar, load bar connected load, under the frame of loading have stop screw, down outer pedestal connects measures link plate, measure link plate and connect table folder moving up and down, the table folder connects inductance probe, the table folder connects by bearing measures lever, little of outer end measuring lever contacts with inductance probe, end in contact under the little platform of contact of the inner of measurement lever and load bar, worktable connects yoke plate by support, connect clamping cylinder on the yoke plate, the clamping cylinder both sides are provided with bearing holder (housing, cover), clamping cylinder piston rod front end connects with door type frame on being fixed on moving plate, the both sides of moving plate are provided with guide rod, guide rod is connected on the yoke plate, be provided with the air cylinder that adds that is fixed on the moving plate in the door type frame, the below of moving plate is provided with outer pedestal, go up outer pedestal lower end and connect upward outer platform, go up in the outer pedestal and be provided with rotating shaft, the lower end of last rotating shaft is provided with upper inner platform, the upper end of last rotating shaft is provided with contact and can contacts with little of pressurization cylinder piston rod front end, clamping cylinder with add air cylinder and link to each other with air-channel system in the support body respectively, connect the electrically operated case on the yoke plate, the electrically operated case respectively with air-channel system, inductance probe, buncher links to each other.
In order further to realize the purpose of this utility model, the rear panel of described electrically operated case is provided with supply socket, power switch, melt the fracture of wire base, connection plug, sensor plug, the front panel of electrically operated case is provided with operation push-button and pilot lamp, the numerical value display screen, be provided with the CPU processor in the electrically operated case, the CPU processor is link control module respectively, the A/D modular converter, numerical value display screen and operation push-button, control module connects solenoid valve and buncher respectively, the A/D modular converter connects signal processing module, signal processing module connects inductance probe by sensor plug, and power module connects signal processing module, A/D modular converter and CPU processor.
In order further to realize the purpose of this utility model, described air-channel system is made up of a gas admittance valve, two pneumatic bigeminy parts, two solenoid valves and pipeline, pneumatic bigeminy part is made of pressure regulator valve and air strainer, and two solenoid valves connect clamping cylinder respectively and add air cylinder.
In order to realize that further the purpose of this utility model, the postmedian of described worktable are provided with the positioning component of being made up of location fork, seat.
The utility model can produce following good effect compared with the prior art: the utility model is used to detect automobile gearbox axial clearance of double-row conical bearing value, guarantee the safe reliability of this bearing by the precision of control wheel box bearing end-play, thereby guarantee high load capacity, the high-level efficiency requirement of automobile gearbox, and then guarantee ride safety of automobile.Its innovative point and advance are mainly reflected in:
1, can realize translation up and down measured bearing, compress automatically, application of load, rotation automatically, value computing automatically automatically, show the end-play value by digital display meter, pneumoelectric is in conjunction with finishing.
Two groups of inner assemblies do not have centring means when 2, measuring, and can record end-play value accurately;
3, go up load and adopt air-cylinder type to finish by pressure regulation change loading power, following load is determined by experiment weight and adopts the quantitative form of lever counterweight; Promptly will overcome loading power down, consider the power that spring produced when lower inner platform moved down again, therefore, Fu He size setting up and down is the key that obtains play value true value;
4, lower inner platform can reliably hold up measured bearing, and measured bearing can smooth and easy turnover in the use.
5, adopt the high inductance technology of precision to carry out the development of project software and hardware;
6, digital readout system adopts built-in isolation DC/DC technology, guarantees the stability of instrument work on the spot, makes system not be subjected to extraneous disturbing effect.
7, adopt the hardware core of CPU processor,, both guaranteed real time of data acquisition, guaranteed data processing transmission reliable by rational program design as measuring instrument.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is a schematic diagram of gas circuit of the present utility model;
Fig. 4 is an electrically operated case front panel synoptic diagram of the present utility model;
Fig. 5 is an electrically operated case rear panel synoptic diagram of the present utility model;
Fig. 6 is the electric theory diagram of electrically operated case of the present utility model.
Embodiment: embodiment of the present utility model is elaborated below in conjunction with accompanying drawing:
Embodiment: (referring to Fig. 1-Fig. 6), it has support body 10, support body 10 is supported by four base angles 28 a kind of automobile gearbox taper roll bearing end-play automatic measuring instrument, and support body 10 fronts are provided with for the door of opening 26.
Worktable 9 is fixed on the support body 10, and middle part, the lower end of worktable 9 is provided with down outer pedestal 27 in the support body 10, in the outer pedestal 27 lower rotary shaft 21 is housed down, be with spring 37 on the lower rotary shaft 21, the upper end of lower rotary shaft 21 connects lower inner platform 20, and lower inner platform 20 is answered reliable reset under the effect of spring force; Lower rotary shaft 21 bottoms connect belt follower 38, do not influence lower rotary shaft 21 knee-actions, and its end is pressed with steel ball 40, as the contact that loads.
Worktable 9 lower ends one side connects buncher 2 by baffle plate 39, buncher 2 connects the controller 1 of regulating the speed, controller 1 is contained on support body 10 left plates, buncher 2 connects belt driving wheel 43, belt driving wheel 43 connects belt follower 38 by belt 44, belt 44 is provided with tensioner assembly 35, and tensioner assembly 35 is used for adjusting the degree of tightness of belt.
Measure the front lower place that link plate 22 is fixed on down outer pedestal 27, table folder 24 moving up and down is connected in to be measured on the link plate 22, table folder 24 connects inductance probe 23, measure lever 25 is bearing in table folder 24 by two bearings, axle bottom, little of outer end measuring lever 25 be contained in the inductance probe 23 that table presss from both sides and contact, end in contact under the little platform of contact of the inner of measurement lever 25 and load bar 30, reflection displacement situation.
The last plane of worktable 9 connects two supports 3, connect yoke plate 5 on the support 3, connect clamping cylinder 12 on the yoke plate 5, clamping cylinder 12 both sides are provided with bearing holder (housing, cover) 6, clamping cylinder 12 piston rod front ends connect with door type frame 8 on being fixed on moving plate 4, the both sides of moving plate 4 are provided with guide rod 7, and guide rod 7 is fixed on the yoke plate 5 by bearing holder (housing, cover) 6, are provided with in the door type frame 8 to be fixed on to add air cylinder 13 on the moving plate 4.The below of moving plate 4 is provided with outer pedestal 16, go up outer pedestal 16 lower ends and connect upward outer platform 17, go up in the outer pedestal 16 and be provided with rotating shaft 15, the lower end of last rotating shaft 15 is provided with upper inner platform 18, and the upper end of last rotating shaft 15 is provided with contact and can contacts with little that adds air cylinder 13 piston rod front ends.
Riser anterior in the support body 10 is fixed with air-channel system referring to Fig. 3, air-channel system is made up of a gas admittance valve 36, two pneumatic bigeminy parts, two solenoid valves 42 and pipeline, pneumatic bigeminy part is made of pressure regulator valve 33 and air strainer, and pressure regulator valve 33 can be by changing the size that air pressure control adds compressive load.Two solenoid valves 42 connect clamping cylinder 12 respectively and add air cylinder 13.
The positioning component of being made up of location fork 11, seat is located at the postmedian of worktable 9, and removable location is pitched and made measured bearing be in the center of presenting a theatrical performance as the last item on a programme inside and outside upper and lower.
The front portion of yoke plate 5 connects electrically operated case 14 by supporting plate 41, and the rear panel of electrically operated case 14 is provided with supply socket 14-1, power switch 14-2, melts fracture of wire base 14-3, connection plug 14-4, sensor plug 14-5.The front panel of electrically operated case 14 is provided with operation push-button 14-6 and pilot lamp, numerical value display screen 14-7, is convenient to the operator and looks squarely reading.
Be provided with CPU processor 14-8 in the electrically operated case 14, CPU processor 14-8 is link control module 14-11, A/D modular converter 14-9, numerical value display screen 14-7 and operation push-button 14-6 respectively, control module 14-11 connects solenoid valve 42 and buncher 2 respectively, A/D modular converter 14-9 connects signal processing module 14-10, signal processing module 14-10 connects inductance probe 23 by sensor plug 14-5, and power module 14-12 connects signal processing module 14-10, A/D modular converter 14-9 and CPU processor 14-8.During use, the transducing signal of inductance probe 23 perception handles through signal processing module 14-10 after A/D modular converter 14-9 conversion is transferred to CPU processor 14-8 processing, and shows by numerical value display screen 14-7.Operation push-button 14-6 passes to CPU processor 14-8 processing back by control module 14-11 control buncher 2 and solenoid valve 42 work with operation signal, thereby controls clamping cylinder 12 and add air cylinder 13 actions.
Be defaulted as " automatically " mode when powering on start, can change working method by the mode key.Below divide the function of chatting each operation push-button:
Mode key: select the metering system of measuring instrument, have " mode ", " automatically ", " manually " three kinds of working methods to show by pilot lamp.The conversion work mode should in the original position, not carried out when motor rotates in " clamping ", " pressurization down ".Measuring instrument is defaulted as " automatically " mode when starting, and can be converted to " manually ", " mode ", " automatically " in proper order by the mode key.Can operate clamping, rotation, following pressurization and correction, reset key under " manually " mode respectively." under " mode " state, by operation clamp, rotation, sequence of movement and time when pressurization is provided with automatic operation down.Under " automatically " mode by move under " mode " state the action that is provided with by execute key.
Clamp key: clamp key is inoperative under " automatically " mode, " manually " follows under " mode ", the state that change to clamp by clamp key (clamp or fluff out) by clamping by unclamping to become, could carry out when not depressing " pressurization down " (going up application of load), this key was inoperative when cylinder was depressed when " pressurization down ".
The rotation key: this key is inoperative under " automatically " mode, and " manually " follows under " mode ", controls electric motor starting and stops, and motor speed is controlled by speed regulator, and measuring instrument is modulated good speed when dispatching from the factory.
Under the key that pressurizes: this key is inoperative under " automatically " mode, and " manually " follows under " mode ", the startup that control adds air cylinder (going up application of load) down with reset.
Check key: follow under " mode " in " manually ", press the position that check key will show gauge head,, show-409 (relaxation states) or 409 (being pressed into state) when the no to scale scope.
Reset key: follow under " mode " in " manually ", be set to zero point by reset key gauge head current location.When the no to scale scope, minimum value (409) or maximal value (409) are set to zero point.The suggestion user is set to minimum value (409) zero point (will show 0 or 819 during the no to scale scope) in use, with no to scale scope whether in the control survey process intuitively.
Execute key: execute key is only effective under " automatically " state, and " automatically " state is pressed execute key down will carry out the action that is provided with under " mode " state.
Reset key: when some abnormal occurrence occurring, measuring instrument is resetted, make measuring instrument get back to virgin state by reset key.Under " automatically " mode, when showing the play value by " reset key makes measuring instrument show the gauge head value.When following " mode ", " manually " can forward " automatically " mode to by reset key.When closing outage when inoperative by reset key.
During work, clamping cylinder 12 starting drives goes up outer platform 17 and compresses the taper roll bearing outer ring, in the outer ring that compresses bearing simultaneously under the taper roll bearing inner assembly unsteady lower inner platform is depressed, contact down pressure point and finish down the application of load requirement.Motor rotates by lower rotary shaft 21, lower inner platform 20 drives the taper roll bearing inner assembly and rotates, get the multiple spot value when roller of inner assembly reliably contacts with raceway instantly, the union memory mean value value (for the first time) of promptly sampling, adding air cylinder starting handle upper inner platform depresses, make inner assembly on the taper roll bearing, spacer ring, the end face contact of following inner assembly, last inner assembly rotates synchronously with following inner assembly, when reliably contacting with raceway, gets on the roller of last inner assembly the multiple spot value, the union memory mean value value (for the second time) of promptly sampling, the difference of two values is that end-play is shown by digital display meter.Motor stops---on add air cylinder, clamping cylinder lifts successively---hauls out measured bearing.
Claims (4)
1. automobile gearbox taper roll bearing end-play automatic measuring instrument, it has support body (10), support body (10) is provided with worktable (9), the middle part, lower end that it is characterized in that the interior worktable of support body (10) (9) is provided with down outer pedestal (27), be provided with lower rotary shaft (21) in the outer pedestal (27) down, be with spring (37) on the lower rotary shaft (21), the upper end of lower rotary shaft (21) connects lower inner platform (20), lower rotary shaft (21) bottom is provided with belt follower (38), the end of lower rotary shaft (21) is pressed with steel ball (40), worktable (9) bottom is provided with the buncher (2) by controller (1) control, buncher (2) connects belt driving wheel (43), belt driving wheel (43) connects belt follower (38) by belt (44), belt (44) is provided with tensioner assembly (35), following outer pedestal (27) connected load link plate (32), load link plate (32) connects the frame (31) of movably loading down up and down, under load frame (31) by bearing connected load bar (30), load bar (30) connected load (29), under the frame (31) of loading have stop screw, outer pedestal (27) connects measurement link plate (22) down, measure link plate (22) and connect table folder moving up and down (24), table folder (24) connects inductance probe (23), table folder (24) connects by bearing measures lever (25), little of outer end measuring lever (25) contacts with inductance probe (23), end in contact under the little platform of contact of the inner of measurement lever (25) and load bar (30), worktable (9) connects yoke plate (5) by support (3), yoke plate (5) is gone up and is connected clamping cylinder (12), clamping cylinder (12) both sides are provided with bearing holder (housing, cover) (6), clamping cylinder (12) piston rod front end connects with door type frame (8) on being fixed on moving plate (4), the both sides of moving plate (4) are provided with guide rod (7), guide rod (7) is connected on the yoke plate (5), be provided with in the door type frame (8) to be fixed on and add air cylinder (13) on the moving plate (4), the below of moving plate (4) is provided with outer pedestal (16), go up outer pedestal (16) lower end and connect upward outer platform (17), go up in the outer pedestal (16) and be provided with rotating shaft (15), the lower end of last rotating shaft (15) is provided with upper inner platform (18), the upper end of last rotating shaft (15) is provided with contact and can contacts with little that adds air cylinder (13) piston rod front end, clamping cylinder (12) with add air cylinder (13) respectively with support body (10) in air-channel system link to each other, yoke plate (5) go up to connect electrically operated case (14), electrically operated case (14) respectively with air-channel system, inductance probe (23), buncher (2) links to each other.
2. a kind of automobile gearbox taper roll bearing end-play automatic measuring instrument according to claim 1, the rear panel that it is characterized in that described electrically operated case (14) is provided with supply socket (14-1), power switch (14-2), melt fracture of wire base (14-3), connection plug (14-4), sensor plug (14-5), the front panel of electrically operated case (14) is provided with operation push-button (14-6) and pilot lamp, numerical value display screen (14-7), be provided with CPU processor (14-8) in the electrically operated case (14), CPU processor (14-8) is link control module (14-11) respectively, A/D modular converter (14-9), numerical value display screen (14-7) and operation push-button (14-6), control module (14-11) connects solenoid valve (42) and buncher (2) respectively, A/D modular converter (14-9) connects signal processing module (14-10), signal processing module (14-10) connects inductance probe (23) by sensor plug (14-5), and power module (14-12) connects signal processing module (14-10), A/D modular converter (14-9) and CPU processor (14-8).
3. a kind of automobile gearbox taper roll bearing end-play automatic measuring instrument according to claim 1, it is characterized in that described air-channel system is made up of a gas admittance valve (36), two pneumatic bigeminy parts, two solenoid valves (42) and pipelines, pneumatic bigeminy part is made of pressure regulator valve (33) and air strainer, and two solenoid valves (42) connect clamping cylinder (12) respectively and add air cylinder (13).
4. a kind of automobile gearbox taper roll bearing end-play automatic measuring instrument according to claim 1 is characterized in that the postmedian of described worktable (9) is provided with the positioning component of being made up of location fork (11), seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205528266U CN201828237U (en) | 2010-09-28 | 2010-09-28 | Automatic axial clearance measurement instrument for tapered roller bearing of automobile gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205528266U CN201828237U (en) | 2010-09-28 | 2010-09-28 | Automatic axial clearance measurement instrument for tapered roller bearing of automobile gearbox |
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| Publication Number | Publication Date |
|---|---|
| CN201828237U true CN201828237U (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205528266U Expired - Lifetime CN201828237U (en) | 2010-09-28 | 2010-09-28 | Automatic axial clearance measurement instrument for tapered roller bearing of automobile gearbox |
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| CN (1) | CN201828237U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968339A (en) * | 2010-09-28 | 2011-02-09 | 烟台轴承仪器有限公司 | Automatic axial internal clearance measuring meter for tapered roller bearing of automobile gearbox |
| CN102607401A (en) * | 2012-04-01 | 2012-07-25 | 天合富奥商用车转向器（长春）有限公司 | Detector for thread pitch and coaxiality of thread roller path of steering screw |
| CN106979755A (en) * | 2017-03-31 | 2017-07-25 | 武汉理工大学 | Auto pump bearing axial play automatic measuring instrument |
| CN108151691A (en) * | 2018-03-15 | 2018-06-12 | 大连理工大学 | A kind of measuring method and measuring device for four-row tapered roller bearing end-play |
| CN108645364A (en) * | 2018-08-24 | 2018-10-12 | 坤泰车辆系统（常州）有限公司 | A kind of measuring device for gearbox shafting choosing pad |
-
2010
- 2010-09-28 CN CN2010205528266U patent/CN201828237U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968339A (en) * | 2010-09-28 | 2011-02-09 | 烟台轴承仪器有限公司 | Automatic axial internal clearance measuring meter for tapered roller bearing of automobile gearbox |
| CN102607401A (en) * | 2012-04-01 | 2012-07-25 | 天合富奥商用车转向器（长春）有限公司 | Detector for thread pitch and coaxiality of thread roller path of steering screw |
| CN106979755A (en) * | 2017-03-31 | 2017-07-25 | 武汉理工大学 | Auto pump bearing axial play automatic measuring instrument |
| CN108151691A (en) * | 2018-03-15 | 2018-06-12 | 大连理工大学 | A kind of measuring method and measuring device for four-row tapered roller bearing end-play |
| CN108151691B (en) * | 2018-03-15 | 2019-08-13 | 大连理工大学 | A kind of measurement method and measuring device for four-row tapered roller bearing end-play |
| CN108645364A (en) * | 2018-08-24 | 2018-10-12 | 坤泰车辆系统（常州）有限公司 | A kind of measuring device for gearbox shafting choosing pad |
| CN108645364B (en) * | 2018-08-24 | 2019-04-02 | 坤泰车辆系统（常州）有限公司 | A kind of measuring device for gearbox shafting choosing pad |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110511 Effective date of abandoning: 20120201 |