Gauge for selecting gaskets of cone bearing of speed reducer
By designing a gauge system that combines hole depth gauges and shaft height gauges with dial indicators, the problems of complex and costly measurements in existing technologies have been solved. This system enables fast and accurate measurement of tapered bearing pads, reducing production time and labor costs.
Patent Information
- Application Number
- CN202520163314.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-01-24
AI Technical Summary
Existing technologies cannot quickly and accurately measure the selection of shims for tapered bearings in reducers. Coordinate measuring machines are highly accurate but complex and costly, while height gauges have large errors and are prone to interference.
A tooling system including a hole depth gauge, a shaft height gauge, and a dial indicator was designed. By comparing and calculating with calibrated parts, the thickness of the shim for the tapered bearing of the reducer can be quickly measured, simplifying the operation process and reducing labor costs.
It enables fast and accurate measurement of tapered bearing pads, reduces production time and labor costs, is suitable for ordinary employees to operate, and ensures measurement accuracy.
Smart Images
Figure CN223663873U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the measuring technical field of reducer or transmission cone bearing selection pad, concretely to a kind of reducer cone bearing selection pad testing fixture. BACKGROUND
[0002] Reducer cone bearing selection pad has important role to the overall performance of reducer, can adjust bearing gap and pre-tightening force, prolong the service life of bearing, improve the transmission accuracy and stability of reducer.
[0003] At present, in sample piece manufacturing stage on market, reducer cone bearing selection pad generally uses three-coordinate measuring instrument or height gauge to measure.Three-coordinate measuring instrument has higher measurement accuracy, is suitable for overall, accurate measurement and evaluation to cone bearing, but measurement process is relatively complex, needs longer measurement time and data processing time, and cost is higher;The measurement error of height gauge is larger, is suitable for simple dimension such as height of cone bearing to carry out fast measurement and preliminary evaluation, is easy to interfere with product structure, and rework frequency is high.
[0004] Therefore, a kind of cone bearing selection pad detection tool capable of fast measurement and high measurement accuracy is needed. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of reducer cone bearing selection pad testing fixture, solves the problem that existing measurement technology cannot quickly and accurately measure reducer cone bearing.
[0006] The utility model adopts the following technical solutions:
[0007] A kind of reducer cone bearing selection pad testing fixture, including the hole depth testing fixture for measuring end cover bearing hole depth, the shaft height testing fixture for measuring shaft height and dial gauge, the hole depth testing fixture includes first datum plate, positioning pin, first probe, first datum seat and first base, the first datum plate is equipped with the positioning hole matched with the positioning pin, the first measuring hole matched with the first probe and first pilot hole, the first base supports the first datum plate and first datum seat, the shaft height testing fixture includes second datum plate, second probe, second datum seat and second base, the second datum plate is equipped with the second measuring hole matched with the second probe and second pilot hole, the second base supports the second datum plate and second datum seat, and the dial gauge is measured to first measuring hole and second measuring hole.
[0008] Further, the first base includes first bottom plate, first guide column and support seat for supporting product, the first bottom plate is equipped with third pilot hole and first fixed hole for fixing the first datum seat, and the both ends of the first guide column are "convex" structure.
[0009] Further, the upper end of the first guide post is in interference fit with the first guide hole, and the lower end of the first guide post is in clearance fit with the third guide hole.
[0010] Further, the second base comprises a second bottom plate and a second guide post, the second bottom plate being provided with a fourth guide hole and a second fixing hole for fixing the second reference seat, and the two ends of the second guide post are in "convex" shape structure.
[0011] Further, the upper end of the second guide post is in interference fit with the second guide hole, and the lower end of the second guide post is in clearance fit with the fourth guide hole.
[0012] From the above description of the structure of the utility model, compared with the prior art, the utility model has the following advantages:
[0013] 1. The utility model has simple structure and small weight, adopts the comparison calculation mode with the calibration piece, quickly measures, obtains the thickness data of the selected pad of the reducer taper bearing, compared with the existing measurement technology, can realize efficient and accurate measurement of the selected pad of the reducer taper bearing, is simple to operate, has small calculation amount, reduces the measurement time, and also ensures the accuracy of the measurement precision.
[0014] 2. The utility model can measure at the stage of sample assembly, greatly shortens the production time, does not need special measurement operation of professional personnel, and ordinary workers can operate the workpiece after training, so that the labor cost is reduced. DRAWINGS
[0015] Figure 1 It is a whole structure schematic view of the hole depth gauge of the utility model.
[0016] Figure 2 It is a plan view of the hole depth gauge of the utility model.
[0017] Figure 3 It is Figure 2 It is a sectional view in A-A direction.
[0018] Figure 4 It is a use schematic view of the dial gauge of the utility model.
[0019] Figure 5 It is a schematic view of measuring the hole depth of a product of the utility model.
[0020] Figure 6 It is a plan view of measuring the hole depth of a product of the utility model.
[0021] Figure 7 It is Figure 6 It is a sectional view in B-B direction.
[0022] Figure 8The utility model discloses shaft height gauge whole structure schematic view.
[0023] Figure 9 The utility model discloses shaft height gauge plan view.
[0024] Figure 10 For Figure 9 In the section view of C-C direction.
[0025] Figure 11 The utility model discloses measuring product shaft height schematic view.
[0026] Among them, the figure mark is: first reference board 110, first reference seat 120, first fixed hole 121, first bottom plate 130, first guide column 140, first guide hole 141, third guide hole 142, first measuring head 150, first measuring hole 151, positioning pin 160, positioning hole 161, product 210, bearing hole 211, support seat 220, second reference board 310, second reference seat 320, second fixed hole 321, second bottom plate 330, second guide column 340, second guide hole 341, fourth guide hole 342, second measuring head 350, second measuring hole 351, speed reducer shell 410, dial gauge 510. Specific embodiments
[0027] The specific embodiments of the embodiments of the utility model will be explained below with reference to the drawings.
[0028] Referring to Figure 1 , Figure 4 and Figure 8 , a kind of reducer conical bearing selects pad gauge, including the hole depth gauge for measuring end cover bearing hole depth, the shaft height gauge for measuring shaft height and dial gauge 510.
[0029] Referring to Figure 1 and Figure 3 , hole depth gauge includes first reference board 110, positioning pin 160, first measuring head 150, first reference seat 120 and the first base for supporting first reference board 110 and first reference seat 120, first base includes first bottom plate 130, the first guide column 140 of two ends as "convex" character structure and the support seat 220 for supporting product.This embodiment, first reference board 120 is used as calibration piece.
[0030] The first reference plate 110 is a rectangular metal plate, and one long side of the first reference plate 110 is designed with an inner concave arc according to the shape of the product 210. The first reference plate 110 is provided with four first guide holes 141 for connecting with the first guide column 140; the middle part of the first reference plate 110 is provided with a first measuring hole 151 matched with the first measuring head 150; and the first reference plate 110 is further provided with two positioning holes 161, and the positioning pin 160 is fixed on the first reference plate 110 through the positioning hole 161, so that the first reference plate 110 can be quickly positioned during measurement.
[0031] The first bottom plate 130 is provided with a third guide hole 142 corresponding to the first guide hole 141; and the middle part of the first bottom plate 130 is provided with a first fixing hole 121 corresponding to the first measuring hole 151, so as to fix the first reference seat 120 and facilitate the measurement and calibration of the first measuring head 150.
[0032] With reference to Figures 1 to 3 , when the hole depth gauge is used, first, the first bottom plate 130 is placed on a plane, the lower end of the first guide column 140 is in interference fit with the third guide hole 142 on the first bottom plate 130, and the first reference seat 120 is fixed in the first fixing hole 121 on the first bottom plate 130. The first measuring head 150 is placed on the top of the first reference seat 120, the first guide hole 141 on the first reference plate 110 is placed in clearance fit with the upper end of the first guide column 140, at this time, the top of the first measuring head 150 is inserted into the first measuring hole 151 in the middle of the first reference plate 110, and the top surface of the first measuring head 150 forms a height difference with the upper surface of the first reference plate 110. Thus, the hole depth gauge is assembled.
[0033] Then, the dial gauge 510 is placed on the upper surface of the first reference plate 110 to zero, and then Figure 4 , the dial gauge 510 is moved to the first measuring hole 151 to measure the hole depth of the first measuring hole 151, and the dial reading is taken as zero position.
[0034] With reference to Figures 5 to 7 , then, the product 210 is placed horizontally on the support seat 220, the first measuring head 150 is placed into the bearing hole 211 on the product 210, the first reference plate 110 is placed on the product 210, so that the first measuring head 150 can be inserted into the first measuring hole 151 on the first reference plate 110, and then the positioning is performed through the positioning pin 160, the hole depth of the first measuring hole 151 at this time is measured by using the dial gauge 510, and the measurement value a is recorded.
[0035] With reference to Figure 8 , the shaft height gauge comprises a second reference plate 310, a second measuring head 350, a second reference seat 320 and a second base for supporting the second reference plate 310 and the second reference seat 320, and the second base comprises a second bottom plate 330 and a second guide column 340 with a "convex" structure at two ends.
[0036] The second reference plate 310 is a rectangular metal plate, and four second guide holes 341 for connecting with the second guide posts 340 are arranged on the second reference plate 310; and a second measuring hole 351 matched with the second measuring head 350 is arranged in the middle part of the second reference plate 310.
[0037] The second bottom plate 330 is provided with fourth guide holes 342 corresponding to the second guide holes 341; and a second fixing hole 321 corresponding to the second measuring hole 351 is arranged in the middle part of the second bottom plate 330, so as to fix the second reference seat 320 and facilitate the measurement and calibration of the second measuring head 350.
[0038] Referring to Figures 8 to 10 , when the shaft height gauge is used, first, the second bottom plate 330 is placed on a plane, and the second reference seat 320 is fixed on the second fixing hole 321 of the second bottom plate 330. The second measuring head 350 is placed on the top of the second reference seat 320, the second guide hole 341 on the second reference plate 310 is matched with the upper end of the second guide post 340 in interference fit, the second reference plate 310 is placed on the first bottom plate 330 together with the second guide post 340, the lower end of the second guide post 340 is matched with the fourth guide hole 342 in clearance fit, at this time, the top of the second measuring head 350 is inserted into the second measuring hole 351 in the middle of the second reference plate 310, and the top surface of the second measuring head 350 forms a height difference with the upper surface of the second reference plate 310. Thus, the shaft height gauge is assembled.
[0039] Then, the dial gauge 510 is placed on the upper surface of the second reference plate 310 to calibrate zero, and then the dial gauge 510 is moved to the second measuring hole 351 to measure the hole depth of the first measuring hole 351, and the dial reading is taken as zero position.
[0040] Referring to Figure 11 , then, the second measuring head 350 is sleeved into the shaft bearing outer ring on the speed reducer shell 410, and the second reference plate 310 is placed on the speed reducer shell 410 together with the second guide post 340, so that the second measuring head 350 can be inserted into the second measuring hole 351 on the second reference plate 310, and the hole depth of the second measuring hole 351 at this time is measured by using the dial gauge 510, and the measured value b is recorded.
[0041] Finally, the thickness of the required gasket is calculated by the formula: gasket thickness value = C-a-b+d. Wherein C is the basic size known at the time of design, and d is the known bearing pre-tightening play value.
[0042] The above is only a specific embodiment of the utility model, but the design concept of the utility model is not limited to this, and any non-essential change of the utility model by using this concept shall belong to the act of infringing the protection scope of the utility model.
Claims
1. A retainer cone bearing selected shim gauge, characterized by: The utility model discloses a hole depth gauge for measuring end cover bearing hole depth, shaft height gauge for measuring shaft system height and dial gauge, the hole depth gauge includes first reference plate, positioning pin, first measuring head, first reference seat and first base, the first reference plate is equipped with the positioning hole with the positioning pin cooperation, the first measuring hole with the first measuring head cooperation and first guide hole, the first base supports the first reference plate and first reference seat, the shaft height gauge includes second reference plate, second measuring head, second reference seat and second base, the second reference plate is equipped with the second measuring hole with the second measuring head cooperation and second guide hole, and the second base supports the second reference plate and second reference seat, and the dial gauge measures first measuring hole and second measuring hole.
2. The gage of claim 1, wherein: The first base includes first bottom plate, first guide column and support seat for supporting product, the first bottom plate is equipped with third guide hole and first fixed hole for fixing the first reference seat, and both ends of the first guide column are " convex" character structure.
3. The gage of claim 2, wherein: The upper end of the first guide column is gap fit with the first guide hole, and the lower end of the first guide column is interference fit with the third guide hole.
4. The gage of claim 1, wherein: The second base includes second bottom plate and second guide column, the second bottom plate is equipped with fourth guide hole and second fixed hole for fixing the second reference seat, and both ends of the second guide column are " convex" character structure.
5. The gage of claim 4, wherein: The upper end of the second guide column is interference fit with the second guide hole, and the lower end of the second guide column is gap fit with the fourth guide hole.