CN204963704U - Cylindrical roller bearing inner race raceway tolerance detecting instrument - Google Patents
Cylindrical roller bearing inner race raceway tolerance detecting instrument Download PDFInfo
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- CN204963704U CN204963704U CN201520284520.XU CN201520284520U CN204963704U CN 204963704 U CN204963704 U CN 204963704U CN 201520284520 U CN201520284520 U CN 201520284520U CN 204963704 U CN204963704 U CN 204963704U
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- support block
- positioning support
- clock gauge
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Abstract
The utility model provides a cylindrical roller bearing inner race raceway tolerance detecting instrument, detecting instrument props up piece b, amesdial a, amesdial b, floats including a location piece a, standard component, briquetting, location and surveys piece, backup pad, instrument base, the backup pad is fixed on the instrument base, is provided with two bar grooves in the backup pad, and two bar inslots slide respectively to set up to fix a position and prop up piece a4 and fix a position and prop up a b, are provided with the steel ball on the location is propped up an and is fixed a position a b, still be provided with the briquetting in the backup pad, the standard component is fixed in the backup pad through a location piece a, a location piece b and briquetting, float surveying the piece and setting up in the one end end of lever, the center of lever is fixed in the backup pad through the axle, the other end end coupling spring one end of lever, another side in the backup pad is fixed to the other end of spring, amesdial a, amesdial b also fix in the backup pad, amesdial a's the pointer and the survey piece contact of floating, amesdial b's pointer and the contact of the outer wall of standard component.
Description
Technical field
The utility model relates to a kind of measuring instrument, especially relates to a kind of cylinder roller bearing inner ring raceway tolerance detector device.
Background technology
At present, in the connection that crossed cylindrical roller bearing has been widely used in industrial robot, medicine equipment, high-precision rotary platform etc. and slew gear, the huge revolving that large-scale crossed cylindrical roller turntable bearing is also applied to mining machinery, constructional engineering machinery etc. supports, and the control of its raceway dimensional accuracy directly has influence on manufacturing accuracy and the serviceable life of crossed cylindrical roller bearing.For monoblock type crossed cylindrical roller bearing, because of its structural particularity, inner ring raceway is V-shaped, two raceway limits its symmetrical center line 45 ° each other relatively of V-arrangement, and on V-arrangement raceway, configure a circle crossed cylindrical roller.Utilize general measuring method cannot detect raceway dimensional accuracy accurately, easily.
The known detection method to crossed cylindrical roller raceway diameter mainly contains two kinds, and one is folder one finished product steel ball indirect inspection.As shown in Figure 1: the method directly measures crossed cylindrical roller bearing inside/outside circle 1 with milscale 3 to press from both sides the rear raceway of steel ball 2 and inside/outside radius wall thickness, carrys out indirect inspection inside/outside circle raceway diameter by wall thickness; Inside/outside raceway dimensional tolerence is indirectly controlled by raceway and inside/outside radius wall thickness difference after control inside/outside circle folder steel ball.The method not only error is comparatively large, and measurement crossed cylindrical roller bearing inner race raceway diameter difference that can only be single and Wall-Thickness Difference, raceway position deviation, ovality, raceway cannot be measured to the isoparametric measurement of beating of datum end face.This kind of method is that naked eyes carry out reading, adds clamping of workpieces and measures, be easy to the accuracy affecting testing result because of human factor, and checkability is very low by artificial rotation milscale screw rod.
Another kind adopts the high precision instruments such as contourgraph to detect inside/outside circle raceway precision.The method needs the high precision instruments such as contourgraph to install to be placed on constant temperature measurement room, then the inside/outside circle processed is removed to constant temperature measurement room and inspects by random samples, not only detect loaded down with trivial details, and can not accomplish the inspection lasso in process of manufacture being carried out to 100%.
Summary of the invention
In order to overcome the deficiency in background technology, the utility model discloses a kind of cylinder roller bearing inner ring raceway tolerance detector device, this detecting instrument not only structure simple, be easy to operation, and error is low, measure accurately.
Another object of the present utility model is the measuring method of openly a kind of cylinder roller bearing inner ring raceway tolerance.Adopt this detection method can carry out the inspection of 100% to the lasso raceway dimensional tolerence in process of manufacture and form and position tolerance, effectively reduce positioning error, improve processing detection efficiency.
In order to realize described goal of the invention, the utility model adopts following technical scheme: a kind of cylinder roller bearing inner ring raceway tolerance detector device, and described detecting instrument comprises positioning support block a, standard component, briquetting, positioning support block b, clock gauge a, clock gauge b, back up pad, instrument base; Back up pad is fixed on instrument base, back up pad is provided with two bar-shaped troughs, slides respectively to arrange on positioning support block a and positioning support block b, positioning support block a and positioning support block b to be provided with steel ball in two bar-shaped troughs; Back up pad is also provided with briquetting and lever, and briquetting is arranged on the termination, one end of lever, and the center of lever is fixing on the supporting plate by axle, linking springs one end, other end termination of lever; The fixing another side on the supporting plate of the other end of spring; Standard component is fixing on the supporting plate by positioning support block a, positioning support block b and briquetting; Clock gauge a, clock gauge b also fix on the supporting plate, and clock gauge a is arranged on the outside of standard component, and pointer contacts with the exterior channels of standard component; The pointer of clock gauge b and the wall contacts of standard component.
The main body of back up pad described in the utility model is disc, and two bar-shaped troughs are arranged on the radial direction of disc back up pad, and the angle between two bar-shaped troughs is 45 ~ 90 degree; Briquetting is arranged on the other end of disk, forms triangle fix with positioning support block a, positioning support block b.
Back up pad described in the utility model also comprises three back shafts, and clock gauge a, clock gauge b are separately fixed on its neutralization two back shafts, on fixing another back shaft on the supporting plate of the other end of spring.
Steel ball size described in the utility model equals tested lasso cylindrical roller diameter.
A kind of detection method of cylinder roller bearing inner ring raceway tolerance, its measuring process is: the standard component demarcated (or the processing initial workpiece after detecting) is first installed on surveying instrument and carries out his-and-hers watches by (1), adjustment clock gauge a, the pointer position of clock gauge b, the pointer of clock gauge a is surveyed block and is contacted with floating; The pointer of clock gauge b and the wall contacts of standard component, pointer is at the range at zero point of clock gauge;
(2) pull down standard component, be installed upper workpiece to be measured, adjustment clock gauge a, the pointer position of clock gauge b, and the pointer of clock gauge a contacts with briquetting; The pointer of clock gauge b and the wall contacts of standard component, even dynamics rotates a circle, and observes clock gauge a, clock gauge b total indicator reading and fluctuation range;
(3) be that reference field is measured by workpiece other end to be measured, even dynamics rotates a circle, and observes clock gauge a, clock gauge b total indicator reading and fluctuation range;
(4) twice measurement can compare and measure diameter dimension deviation, ovality, inner ring raceway position deviation, inner ring raceway Wall-Thickness Difference, the inner ring raceway side-sway of workpiece raceway.
Owing to have employed technique scheme, the utility model has following beneficial effect: surveying instrument principle described in the utility model is that (to relative method Mechanical measurement device comparative measurement method compared by measured parameter and certain standard component, thus draw the deviate of measured parameter relative to standard volume, because standard volume is known.Therefore, the whole value of measured parameter equals the simple algebraic sum of deviate and standard volume.So just conveniently can measure the whole value of measured parameter), the utility model positioning supporting point steel ball curvature adopts the curvature selecting cylindrical roller diameter to be close with tested lasso, within/outer ring raceway location, measure inside/outside circle raceway correlation parameter, the inspection of 100% can be carried out to the lasso raceway dimensional tolerence in process of manufacture and form and position tolerance, effective minimizing positioning error, improves processing detection efficiency.Detecting instrument not only structure simple, be easy to operation, and error is low, measure accurately and reliably.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing measurement crossed cylindrical roller bearing inner race raceway diameter.
Fig. 2 is the detecting instrument structural representation that the utility model measures crossed cylindrical roller bearing inner race raceway diameter.
Fig. 3 is the schematic diagram that the utility model measures crossed cylindrical roller bearing inner race raceway diameter.
Fig. 4 is the close-up schematic view of positioning support block a in Fig. 2.
Fig. 5 is the close-up schematic view of positioning support block b in Fig. 3.
In figure: 1-workpiece; 2-steel ball; 3-milscale; 4-positioning support block a; 5-standard component; 6-briquetting; 7-positioning support block b; 8-clock gauge a; 9-clock gauge b; 10-back up pad; 11-instrument base.
Embodiment
By explanation the utility model that the following examples can be detailed, open the purpose of this utility model is intended to protect all technological improvements within the scope of the utility model.
Embodiment 2
A kind of cylinder roller bearing inner ring raceway tolerance detector device, described detecting instrument comprises positioning support block a4, standard component 5, briquetting 6, positioning support block b7, clock gauge a8, clock gauge b9, back up pad 10, instrument base 11; Back up pad 10 is fixed on instrument base 11, back up pad 10 is provided with two bar-shaped troughs, slides respectively to arrange on positioning support block a4 and positioning support block b7, positioning support block a4 and positioning support block b7 to be provided with steel ball in two bar-shaped troughs; Back up pad 10 is also provided with briquetting 6 and lever, and briquetting 6 is arranged on the termination, one end of lever, and the center of lever is fixed in back up pad 10 by axle, linking springs one end, other end termination of lever; The other end of spring is fixed on another side in back up pad 10; Standard component 5 is fixed in back up pad 10 by positioning support block a4, positioning support block b7 and briquetting 6; Clock gauge a8, clock gauge b9 are also fixed in back up pad 10, and clock gauge a8 is arranged on the outside of standard component 5, and pointer contacts with the exterior channels of standard component 5; The pointer of clock gauge b9 and the wall contacts of standard component 5.
The main body of described back up pad 10 is disc, and two bar-shaped troughs are arranged on the radial direction of disc back up pad 10, and the angle between two bar-shaped troughs is 45 ~ 90 degree; Briquetting 6 is arranged on the other end of disk, forms triangle fix with positioning support block a4, positioning support block b7.
Described back up pad 10 also comprises three back shafts, and clock gauge a8, clock gauge b9 are separately fixed on its neutralization two back shafts, and the other end of spring to be fixed in back up pad 10 on another back shaft.
Described steel ball size equals tested lasso cylindrical roller diameter.
Its measuring process is: (1) is first by the standard component 5(demarcated or the processing initial workpiece after detecting) be installed on surveying instrument and carry out his-and-hers watches, adjustment clock gauge a8, the pointer position of clock gauge b9, the pointer of clock gauge a8 contacts with briquetting 6; The pointer of clock gauge b9 and the wall contacts of standard component 5, pointer is at the range at zero point of clock gauge;
(2) pull down standard component 5, be installed upper workpiece 1 to be measured, adjustment clock gauge a8, the pointer position of clock gauge b9, and the pointer of clock gauge a8 contacts with briquetting 6; The pointer of clock gauge b9 and the wall contacts of standard component 5, even dynamics rotates a circle, and observes clock gauge a8, clock gauge b9 total indicator reading and fluctuation range;
(3) be that reference field is measured by workpiece 1 other end to be measured, even dynamics rotates a circle, and observes clock gauge a8, clock gauge b9 total indicator reading and fluctuation range;
(4) twice measurement can compare and measure diameter dimension deviation, ovality, inner ring raceway position deviation, inner ring raceway Wall-Thickness Difference, the inner ring raceway side-sway of workpiece 1 raceway.
The non-detailed portion of the utility model is prior art.
Claims (4)
1. a cylinder roller bearing inner ring raceway tolerance detector device, is characterized in that: described detecting instrument comprises positioning support block a(4), standard component (5), briquetting (6), positioning support block b(7), clock gauge a(8), clock gauge b(9), back up pad (10), instrument base (11); Back up pad (12) is fixed on instrument base (11), back up pad (10) is provided with two bar-shaped troughs, article two, in bar-shaped trough respectively slide positioning support block a(4 is set) and positioning support block b(7), positioning support block a(4) and positioning support block b(7) on be provided with steel ball; Back up pad (10) is also provided with briquetting (6) and lever, briquetting (6) is arranged on the termination, one end of lever, and the center of lever is fixed in back up pad (10) by axle, linking springs one end, other end termination of lever; The other end of spring is fixed on the upper another side of back up pad (10); Standard component (5) is by positioning support block a(4), positioning support block b(7) and briquetting (6) be fixed in back up pad (10); Clock gauge a(8), clock gauge b(9) be also fixed in back up pad (10), clock gauge a(8) be arranged on the outside of standard component (5), pointer contacts with the exterior channels of standard component (5); Clock gauge b(9) pointer and the wall contacts of standard component (5).
2. a kind of cylinder roller bearing inner ring raceway tolerance detector device as claimed in claim 1, it is characterized in that: the main body of described back up pad (10) is disc, article two, bar-shaped trough is arranged on the radial direction of disc back up pad (10), and the angle between two bar-shaped troughs is 45 ~ 90 degree; Briquetting (6) is arranged on the other end of disk, with positioning support block a(4), positioning support block b(7) form triangle and fix.
3. a kind of cylinder roller bearing inner ring raceway tolerance detector device as claimed in claim 2, it is characterized in that: described back up pad (10) also comprises three back shafts, clock gauge a(8), clock gauge b(9) be separately fixed on its neutralization two back shafts, the other end of spring is fixed on back up pad (10) another back shaft upper.
4. a kind of cylinder roller bearing inner ring raceway tolerance detector device as claimed in claim 1, is characterized in that: steel ball size equals tested lasso cylindrical roller diameter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520284520.XU CN204963704U (en) | 2015-05-06 | 2015-05-06 | Cylindrical roller bearing inner race raceway tolerance detecting instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520284520.XU CN204963704U (en) | 2015-05-06 | 2015-05-06 | Cylindrical roller bearing inner race raceway tolerance detecting instrument |
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CN204963704U true CN204963704U (en) | 2016-01-13 |
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Family Applications (1)
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CN201520284520.XU Expired - Fee Related CN204963704U (en) | 2015-05-06 | 2015-05-06 | Cylindrical roller bearing inner race raceway tolerance detecting instrument |
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CN (1) | CN204963704U (en) |
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2015
- 2015-05-06 CN CN201520284520.XU patent/CN204963704U/en not_active Expired - Fee Related
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Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20200506 |