CN105973118A - Multipurpose measurement ruler for oversize wind electricity bearing - Google Patents
Multipurpose measurement ruler for oversize wind electricity bearing Download PDFInfo
- Publication number
- CN105973118A CN105973118A CN201610398504.2A CN201610398504A CN105973118A CN 105973118 A CN105973118 A CN 105973118A CN 201610398504 A CN201610398504 A CN 201610398504A CN 105973118 A CN105973118 A CN 105973118A
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- measuring
- measuring head
- ruler
- fixed
- movable
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- 238000005259 measurement Methods 0.000 title abstract description 9
- 230000005611 electricity Effects 0.000 title abstract 2
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 14
- 238000009434 installation Methods 0.000 abstract 1
- 238000000691 measurement method Methods 0.000 description 3
- 238000010420 art technique Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
- G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a multipurpose measurement ruler for an oversize wind electricity bearing, comprising a ruler rod, a fixed ruler rack, a mobile ruler rack, a sliding block, a guide rail, a gauge support, two pull springs, an indicating gauge, a fixed measuring head and a movable measuring head; the fixed ruler rack and the mobile ruler rack are installed on two ends of the ruler rod; the sliding block is installed on the lower end of the mobile ruler rack; the guide rail is inserted in the sliding groove of the sliding block; the gauge skeleton is connected to the outer end surface of the guide rail; the two ends of the two pull springs are connected to the sliding block and the gauge support; the measurement rod of the indicating gauge is inserted into an inserting hole of the gauge support; the fixed measuring head is installed on the lower part of the fixed ruler rack; the movable measuring head is fixed on the lower end surface of the guide rail; both the fixed measurement head and the movable measurement head comprise measuring rods, upper cone measuring heads, upper column measuring heads, lower cone measuring heads, middle column measuring heads and lower column measuring heads. The multipurpose measurement ruler can measure center diameters of a sealing groove on the outer ring end surface of the bearing, an installation hole and a threaded hole, realize multiple purposes of one ruler and is easy in operation.
Description
Technical Field
The invention relates to a multipurpose measuring scale for an extra-large wind power bearing.
Background
The end faces of the inner ring and the outer ring of the wind power bearing are generally provided with a sealing groove and a circle of mounting holes. The diameter of the seal slot and the center diameter of the mounting hole are typically measured during the machining of the seal slot and the drilling of the mounting hole to reduce ovality at the center of the seal slot and the center of the mounting hole. The diameter of the existing sealing groove and the central diameter of the mounting hole are obtained by an indirect measurement method, namely a fixed-point measurement method.
When the diameter of the outer side wall of the seal groove on the end face of the outer ring is measured (see fig. 1a), the diameter D of the outer ring is measured at a fixed point, and then the diameter D1 of the outer side wall of the seal groove 21 is calculated according to the diameter D of the outer ring measured at the fixed point, that is, the diameter D1 of the outer side wall of the seal groove of the outer ring is equal to the outer diameter D of the outer ring, the wall thickness a1 of the seal groove on one side of the diameter line from the outer circumferential surface of the outer ring corresponding to the diameter line, and the wall thickness b1 of the seal groove on the other side of the diameter line from;
when the center diameter of the mounting hole on the end surface of the outer ring is measured (see fig. 1b), the diameter D of the outer ring is measured at a fixed point, and then the center diameter D2 of the mounting hole is calculated according to the diameter D of the outer ring measured at the fixed point, that is, the center diameter D2 of the mounting hole 22 is equal to the outer diameter D of the outer ring-the wall thickness a2 from the outer circumferential surface of the outer ring 20 corresponding to the diameter line to the mounting hole 22 on one side of the diameter line-the wall thickness b2 from the outer circumferential surface of the outer ring corresponding to the diameter line to the mounting hole 22' on the other side of the diameter line-the diameter c of the mounting hole.
The measurement method not only needs to measure a plurality of data, is time-consuming and labor-consuming, but also needs to calculate, and is possibly miscalculated. Improvements are therefore needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a multipurpose measuring scale for an extra-large wind power bearing, which can measure the central diameters of a sealing groove, a mounting hole and a threaded hole on the end surface of an outer ring, realizes multiple purposes by one scale and is convenient to operate.
The purpose of the invention is realized as follows: a multipurpose measuring scale for an oversize wind power bearing comprises a scale rod, a fixed scale frame, a movable scale frame, a sliding block, a guide rail, a meter frame, two tension springs, a dial indicator, a fixed measuring head and a movable measuring head; the fixed ruler frame and the movable ruler frame are respectively arranged at two ends of the ruler rod; the sliding block is arranged at the lower end of the movable ruler frame; the guide rail is inserted in the sliding groove of the sliding block; the horizontal part of the watch frame is connected to the outer end face of the guide rail; the two tension springs are positioned on two sides of the guide rail in parallel, one ends of the two tension springs are connected to the sliding block, and the other ends of the two tension springs are connected to the gauge stand; a measuring rod of the dial indicator is inserted into an insertion hole formed in the vertical part of the indicator frame, so that the end of the measuring rod is abutted against the outer side surface of the movable ruler frame by means of the pressure of the tension spring; wherein,
the fixed measuring head is arranged at the lower part of the fixed ruler frame;
the movable measuring head is fixed on the lower end surface of the inner side of the guide rail and is positioned on the inner side of the sliding block, and the lower end of the movable measuring head and the lower end of the fixed measuring head are positioned on the same horizontal line;
the fixed measuring head and the movable measuring head respectively comprise a measuring rod part, and an upper cylindrical measuring head, a middle cylindrical measuring head and a lower cylindrical measuring head which are coaxially connected to the lower end of the measuring rod in sequence and have the diameters from large to small; the upper cylindrical measuring head is connected with the measuring rod through an upper conical measuring head, and the middle cylindrical measuring head is connected with the upper cylindrical measuring head through a lower conical measuring head.
The multipurpose measuring scale for the super-huge wind power bearing is characterized in that the fixed scale frame and the movable scale frame are Y-shaped structures.
The multipurpose measuring scale for the oversize wind power bearing is characterized in that the movable measuring head is fixed on the lower end face of the guide rail through a lining block.
According to the multipurpose measuring scale for the super-huge wind power bearing, the two side faces of the sliding block are respectively connected with the two tension spring rods, and one ends of the two tension springs are connected to the two tension spring rods in a one-to-one correspondence mode.
According to the multipurpose measuring scale for the oversize wind power bearing, the adjusting screw which is located below the measuring rod of the dial indicator in parallel is further installed on the meter frame, and the inner end of the adjusting screw abuts against the outer end face of the sliding block.
The multipurpose measuring scale for the oversize wind power bearing is characterized in that the scale rod is a carbon fiber pipe.
The multipurpose measuring scale for the super-huge wind power bearing has the advantages of large measuring range and good measuring repeatability, and the movement track of the measuring head and the movement track of the measuring rod of the dial indicator are determined by the high-precision guide rail, so that the measuring precision is high, and the measurement is convenient and flexible. In addition, the ruler rod is made of carbon fiber tubes, the fixed ruler frame and the movable ruler frame are made of ABS materials, the fixed measuring head and the movable measuring head respectively comprise a plurality of sections of measuring heads, the central diameters of a sealing groove, a mounting hole and a threaded hole in the end face of the outer ring can be measured, one ruler is multipurpose, operation is convenient, direct reading can be achieved, calculation is not needed, and measuring accuracy can be improved.
Drawings
FIG. 1a is a schematic diagram of a prior art technique for measuring the diameter of the outer sidewall of a seal groove in the end face of a bearing outer race;
FIG. 1b is a schematic diagram of a prior art technique for measuring the center diameter of a mounting hole in the end face of a bearing outer race;
FIG. 2 is a front view of the multipurpose measuring ruler of the oversized wind power bearing of the invention;
FIG. 3 is an enlarged view of section I in FIG. 1 (including a state where the diameter of the outer side wall of the seal groove is measured);
fig. 4 is an enlarged view of a portion ii in fig. 1 (including a state where the center diameter of the mounting hole is measured).
Detailed Description
The invention will be further explained with reference to the drawings.
Referring to fig. 2 to 4, the multipurpose measuring scale for an extra large wind power bearing of the present invention includes a scale rod 1, a fixed scale frame 2, a movable scale frame 3, a slide block 4, a guide rail 5, a meter frame 6, two tension springs 7, a dial indicator 8, an adjusting screw 9, a fixed measuring head 10 and a movable measuring head 10'; wherein:
the ruler rod 1 is made of a carbon fiber pipe;
the fixed ruler frame 2 and the movable ruler frame 3 are both Y-shaped structures, and the fixed ruler frame 2 and the movable ruler frame 3 are respectively arranged at two ends of the ruler rod 1;
the slide block 4 is arranged at the lower end of the movable ruler frame 3, and two side surfaces of the slide block 4 are respectively connected with a tension spring rod 40;
the guide rail 5 is inserted in the sliding groove of the sliding block 4;
the meter frame 6 is in an L-shaped structure, and the horizontal part of the meter frame 7 is connected to the outer end surface of the guide rail 6;
the two tension springs 7 are positioned on two sides of the guide rail 5 in parallel, one ends of the two tension springs 7 are connected to the tension spring rod 40 of the sliding block 4, and the other ends of the two tension springs 7 are connected to the gauge stand 7;
a measuring rod of the dial indicator 8 is inserted into a jack arranged on the vertical part of the indicator frame 6, so that the end of the measuring rod is propped against the outer side surface of the movable ruler frame 3 by the pressure of the tension spring 7;
the adjusting screw 9 is arranged in a threaded through hole formed in the vertical part of the meter frame 6 and is positioned below the measuring rod of the dial indicator 8 in parallel, and the inner end of the adjusting screw 9 abuts against the outer end face of the sliding block 4;
the fixed measuring head 10 is arranged at the lower part of the fixed ruler frame 2;
the movable measuring head 10' is fixed on the lower end face of the inner side of the guide rail 5 and is positioned on the inner side of the sliding block 4 through a lining block 50; the lower end of the movable measuring head 10' and the lower end of the fixed measuring head 10 should be on the same horizontal line;
the fixed measuring head 10 and the movable measuring head 10' both comprise a measuring rod 100 and an upper cylindrical measuring head 102, a middle cylindrical measuring head 104 and a lower cylindrical measuring head 105 which are sequentially and coaxially connected at the lower end of the measuring rod 100 and have diameters from large to small, the upper cylindrical measuring head 102 is connected with the measuring rod part 100 through the upper conical measuring head 101, and the middle cylindrical measuring head 104 is connected with the upper cylindrical measuring head 102 through the lower conical measuring head 103.
The diameter of the lower cylindrical gauge head 105 is smaller than the width of the bearing seal groove 21 on the end face of the bearing outer ring 20 and the diameter of the predrilled hole of the mounting hole 22, so that the diameter of the seal groove 21 on the outer ring and the center diameter of the predrilled hole of the mounting hole 22 can be measured, and the diameter of the upper cylindrical gauge head 102 is smaller than the diameter of the mounting hole 22, so that the center diameter of the mounting hole 22 can be measured.
When the diameter of the outer side wall of the sealing groove 21 is measured, firstly, the spacing distance between the fixed ruler frame 2 and the movable ruler frame 3 is adjusted on the ruler rod 1 according to the diameter of the outer side wall of the sealing groove 21 on the outer ring 20 of the measured bearing on a drawing, then the lower cylindrical measuring head 105 of the fixed measuring head 10 on the fixed ruler frame 2 is inserted into the sealing groove 21 on one side of the end face of the outer ring 20 of the measured bearing, then the movable measuring head 10' on the guide rail 5 is moved to the sealing groove 21 on the other side of the outer ring 20 of the measured bearing by the tension spring 7, the lower cylindrical measuring head 103 is inserted into the sealing groove 21, the outer side wall of the sealing groove 21 of the lower cylindrical measuring head 105 is contacted under the action of the tension spring 7, then the outer ring 20 of the measured bearing is rotated, and the lower cylindrical measuring head 105 of the fixed measuring head 10 and the lower cylindrical measuring head 105 of the movable, and reading the change value on the dial indicator 8 in the process of rotating the tested bearing outer ring 20 to obtain the actual value of the diameter of the outer side wall of the sealing groove 21 and judge the ovality of the outer side wall. After the measurement is finished, the movable measuring head 10 'on the guide rail 5 is retracted from the sealing groove 21 of the outer ring 20 of the measured bearing after being inwardly tightened by the tension spring 7, so that the whole measuring scale can be taken out, and meanwhile, the movable measuring head 10' on the guide rail 5 is reset along with the guide rail 5 by the resilience force of the tension spring 7. The adjusting screw 9 can adjust the distance from the axis of the movable measuring head 10 'to the inner end surface of the movable ruler frame 3 after the movable measuring head 10' on the cylindrical guide rail 5 resets along with the guide rail 5.
When the multi-purpose measuring scale of the super-huge wind power bearing of the invention is used for measuring the central diameter of the mounting hole 22, firstly, the spacing distance between the fixed scale frame 2 and the movable scale frame 3 is adjusted on the scale rod 1 according to the central diameter of the mounting hole 22 on the outer ring 20 of the measured bearing on the drawing, then the fixed measuring head 10 on the fixed scale frame 2 is inserted into the mounting hole 22 on one side of the end surface of the outer ring 20 of the measured bearing, then the movable measuring head 10 'on the guide rail 5 is moved to the mounting hole 22' on the other side of the outer ring 20 of the measured bearing by the tension spring 7, and the upper conical measuring head 101 or the lower conical measuring head 103 of the fixed measuring head 10 and the movable measuring head 10 'is inserted into the mounting hole 22 according to the diameter of the mounting hole, then the outer ring 20 of the measured bearing is rotated and the upper conical measuring head 101 or the lower conical measuring head 103 of the fixed measuring head 10 and the movable measuring head 10' is kept in contact with the mounting hole 22, and the change value, an actual value of the central diameter of the mounting hole 22 can be obtained and the size of the ovality thereof can be judged.
The multipurpose measuring scale for the super-huge wind power bearing can also use the lower cylindrical measuring head 105 to measure the central diameter of a pre-drilled mounting hole, and use the cylindrical upper cylindrical measuring head 102 or the middle cylindrical measuring head 104 to measure the central diameter of a threaded hole on the end face of the outer ring.
The multipurpose measuring scale for the super-huge wind power bearing has the advantages of large measuring range and good measuring repeatability, and the movement track of the measuring head and the movement track of the measuring rod of the dial indicator are determined by the high-precision guide rail, so that the measuring precision is high, and the measurement is convenient and flexible. In addition, the ruler rod is made of carbon fiber tubes, the fixed ruler frame and the movable ruler frame are made of ABS materials, the fixed measuring head and the movable measuring head respectively comprise a plurality of sections of measuring heads, the central diameters of a sealing groove, a mounting hole and a threaded hole in the end face of the outer ring can be measured, one ruler is multipurpose, operation is convenient, direct reading can be achieved, calculation is not needed, and measuring accuracy can be improved.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore all equivalent technical solutions should also fall within the scope of the present invention, and should be defined by the claims.
Claims (6)
1. A multipurpose measuring scale for an oversize wind power bearing comprises a scale rod, a fixed scale frame, a movable scale frame, a sliding block, a guide rail, a meter frame, two tension springs, a dial indicator, a fixed measuring head and a movable measuring head; the fixed ruler frame and the movable ruler frame are respectively arranged at two ends of the ruler rod; the sliding block is arranged at the lower end of the movable ruler frame; the guide rail is inserted in the sliding groove of the sliding block; the horizontal part of the watch frame is connected to the outer end face of the guide rail; the two tension springs are positioned on two sides of the guide rail in parallel, one ends of the two tension springs are connected to the sliding block, and the other ends of the two tension springs are connected to the gauge stand; a measuring rod of the dial indicator is inserted into an insertion hole formed in the vertical part of the indicator frame, so that the end of the measuring rod is abutted against the outer side surface of the movable ruler frame by means of the pressure of the tension spring; it is characterized in that the preparation method is characterized in that,
the fixed measuring head is arranged at the lower part of the fixed ruler frame;
the movable measuring head is fixed on the lower end surface of the inner side of the guide rail and is positioned on the inner side of the sliding block, and the lower end of the movable measuring head and the lower end of the fixed measuring head are positioned on the same horizontal line;
the fixed measuring head and the movable measuring head respectively comprise a measuring rod part, and an upper cylindrical measuring head, a middle cylindrical measuring head and a lower cylindrical measuring head which are coaxially connected to the lower end of the measuring rod in sequence and have the diameters from large to small; the upper cylindrical measuring head is connected with the measuring rod through an upper conical measuring head, and the middle cylindrical measuring head is connected with the upper cylindrical measuring head through a lower conical measuring head.
2. The multipurpose measuring scale for the oversize wind power bearing according to claim 1, wherein the fixed scale frame and the movable scale frame are both Y-shaped structures.
3. The multipurpose measuring ruler for the oversize wind power bearing as claimed in claim 1, wherein the movable measuring head is fixed on the lower end surface of the guide rail through a filler block.
4. The multipurpose measuring scale for the oversize wind power bearing according to claim 1, wherein two side surfaces of the sliding block are respectively connected with a tension spring rod, and one ends of two tension springs are correspondingly connected to the two tension spring rods one by one.
5. The multipurpose measuring scale for the oversize wind power bearing according to claim 1, wherein the gauge stand is further provided with an adjusting screw which is positioned below the measuring rod of the dial indicator in parallel, and the inner end of the adjusting screw abuts against the outer end face of the sliding block.
6. The multipurpose measuring ruler for the oversize wind power bearing as claimed in claim 1, wherein the ruler rod is a carbon fiber tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610398504.2A CN105973118A (en) | 2016-06-07 | 2016-06-07 | Multipurpose measurement ruler for oversize wind electricity bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610398504.2A CN105973118A (en) | 2016-06-07 | 2016-06-07 | Multipurpose measurement ruler for oversize wind electricity bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105973118A true CN105973118A (en) | 2016-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610398504.2A Pending CN105973118A (en) | 2016-06-07 | 2016-06-07 | Multipurpose measurement ruler for oversize wind electricity bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105973118A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425689A (en) * | 2016-09-29 | 2017-02-22 | 北京京科兴业科技发展有限公司 | Machine tool level capable of realizing quick leveling of special-shaped parts |
| CN106949807A (en) * | 2017-04-07 | 2017-07-14 | 中国航发沈阳发动机研究所 | A kind of multistage assembling casing dimensional measuring instrument |
| CN109839047A (en) * | 2019-03-14 | 2019-06-04 | 江苏理工学院 | A kind of piece surface hole site and center are away from dimension detection tool |
| CN110081848A (en) * | 2019-06-04 | 2019-08-02 | 包头职业技术学院 | A kind of beam blank mould opening degree measuring instrument |
-
2016
- 2016-06-07 CN CN201610398504.2A patent/CN105973118A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425689A (en) * | 2016-09-29 | 2017-02-22 | 北京京科兴业科技发展有限公司 | Machine tool level capable of realizing quick leveling of special-shaped parts |
| CN106949807A (en) * | 2017-04-07 | 2017-07-14 | 中国航发沈阳发动机研究所 | A kind of multistage assembling casing dimensional measuring instrument |
| CN109839047A (en) * | 2019-03-14 | 2019-06-04 | 江苏理工学院 | A kind of piece surface hole site and center are away from dimension detection tool |
| CN109839047B (en) * | 2019-03-14 | 2021-03-16 | 江苏理工学院 | Part surface hole position and center distance size detection tool |
| CN110081848A (en) * | 2019-06-04 | 2019-08-02 | 包头职业技术学院 | A kind of beam blank mould opening degree measuring instrument |
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Application publication date: 20160928 |
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