CN220356273U - Quick measuring device of internal spline stick interval - Google Patents
Quick measuring device of internal spline stick interval Download PDFInfo
- Publication number
- CN220356273U CN220356273U CN202322018528.9U CN202322018528U CN220356273U CN 220356273 U CN220356273 U CN 220356273U CN 202322018528 U CN202322018528 U CN 202322018528U CN 220356273 U CN220356273 U CN 220356273U
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- measuring
- rod
- internal spline
- measuring head
- head
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- 238000005259 measurement Methods 0.000 claims abstract description 31
- 230000001737 promoting effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 20
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model discloses a quick measuring device for the space between internal spline bars, which relates to the field of internal spline detection and comprises a base, a meter frame, a measuring rod, a positioning block and a measuring head, wherein the meter frame for fixedly installing the measuring rod is arranged on the base; the measuring head is further sleeved in the positioning block, the outer wall of the measuring head is provided with an external spline, two notches are symmetrically formed in one end, far away from the measuring rod, of the measuring head and used for placing the measuring ball, the measuring ball is connected with and drives the transmission rod, the other end of the transmission rod abuts against the transmission block, one end of the transmission block is slidably arranged in the measuring head, the other end of the transmission block extends into the measuring rod, and a spring is arranged between the measuring rod and the transmission block. The utility model solves the problems of undefined measurement position, large measurement error, low measurement speed and the like caused by manual difference of measurement, and realizes the conversion of spline measurement from counting type to metering type.
Description
Technical Field
The utility model relates to the field of internal spline detection, in particular to a device for rapidly measuring the spacing of an internal spline rod.
Background
The existing method for measuring the space between the internal spline bars comprises the steps of firstly selecting two high-precision measuring bars with certain diameters, placing the high-precision measuring bars in two opposite tooth grooves (odd teeth are placed in two tooth grooves which are relatively nearest), ensuring that the measuring bars are tangential to tooth surfaces at a reference circle, measuring by using a standard gauge block or a wedge block matched with a micrometer, reading out values, and measuring the distance between the measuring bars.
When the internal spline is required to be fully inspected, the method is difficult to realize, and the internal spline comprehensive parameters, namely the go gauge and the no-go gauge, are adopted, and when the internal spline is measured by using the go gauge and the no-go gauge, the go gauge can pass and the no-go gauge can stop, so that the internal spline is qualified; otherwise, the test result is disqualified. The prior art mainly has the following defects:
1. when in actual detection, the measuring rod, the gauge block and the wedge block are adopted to be matched with a micrometer for measurement, the measurement speed is low, the method is complex, the detection method is also required to be controlled manually, and the actual measurement value has measurement error due to some differences in the operation technique and hand feeling of each person; when the measuring rod is used for measuring, the measuring rod is overlong, the measuring rod is in line contact with the tooth grooves, the displacement distance is consistent with the length of the measuring rod, and the phenomenon of undefined detection position exists;
2. in order to ensure the measurement accuracy, the selected measuring rod also has certain requirements on roundness, cylindricity and straightness; in addition, the measuring rod has better wear resistance, and when the equivalent rod is severely worn, the measuring rod is selected again;
3. the spline comprehensive parameter go gauge and no-go gauge are adopted, products in a specified range can be selected only, specific numerical values cannot be displayed, and measurement errors/misjudgment can be caused due to differences in manual operation and hand feeling.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a device for rapidly measuring the space between internal spline rods, which solves the problems of undefined measurement position, large measurement error, low measurement speed and the like caused by manual difference of measurement, and realizes the conversion of spline measurement from counting type to metering type.
The utility model aims at being completed by the following technical scheme: the quick measuring device for the space between the internal spline bars comprises a base, a meter frame, a measuring rod, a positioning block and a measuring head, wherein the meter frame for fixedly installing the measuring rod is arranged on the base, a measuring push rod is arranged in the measuring rod in a relative sliding manner, one end of the measuring rod is fixedly provided with a dial indicator, a measuring head of the dial indicator is abutted to the measuring push rod, and the other end of the measuring rod is sleeved into the positioning block; the measuring head is further sleeved in the positioning block, the outer wall of the measuring head is provided with an external spline, one end, far away from the measuring rod, of the measuring head is symmetrically provided with two notches, the measuring ball is placed in the notches, the measuring ball is exposed from the notches, the measuring ball is connected with the driving rod to drive the driving rod to axially slide relative to the measuring head, the other end of the driving rod abuts against the driving block, one end of the driving block is arranged in the measuring head in a sliding mode, the other end of the driving block extends into the measuring rod and is used for pushing the measuring push rod, and a spring is arranged between the measuring rod and the driving block.
As a further technical scheme, one end of the measuring head, which is far away from the measuring rod, is provided with a spline guide section, and when the internal spline standard part or the internal spline to be measured is sleeved into the measuring head, the guiding is realized through the spline guide section.
As a further technical scheme, the internal spline standard piece or the internal spline to be measured is sleeved into the measuring head and then is clung to the end face of the positioning block.
As a further technical scheme, the measuring rod is sleeved with a measuring rod sheath.
As a further technical scheme, the measuring rod is fixed with the meter frame through a locking screw, and the dial indicator is fixed with the measuring rod through the locking screw.
The beneficial effects of the utility model are as follows:
1. the structure that two measuring balls are arranged on the measuring head is adopted to replace the measuring mode of the measuring rod and the gauge block in the prior art and to replace the spline comprehensive parameter go gauge and no-go gauge measuring method, so that the space between the internal spline rods can be measured rapidly, and the measuring speed is rapid and accurate;
2. the dial indicator is provided, so that the dimensional deviation between the internal spline to be measured and the internal spline standard part can be directly measured, the actual space between the internal spline bars to be measured can be obtained according to calculation, and the spline measurement is changed from a counting type to a metering type;
3. the spline guide section is arranged on the measuring head, and the spline guide section guides the profile of the internal spline or the internal spline standard part to be measured during measurement, so that the measuring head has the advantages of convenience in operation, small abrasion, long service life and high measuring precision, eliminates the factors of manually influencing measuring errors, and has stable measurement;
4. after the internal spline standard piece or the internal spline to be measured is sleeved into the measuring head, the positioning block is used for limiting, so that the contact position of the measuring ball and the internal spline is kept unchanged during each measurement, and the measurement accuracy is ensured.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a cross-sectional view A-A of fig. 1.
Fig. 3 is a schematic diagram of a connection structure between a dial indicator and a measuring rod in the present utility model.
Reference numerals illustrate: the measuring instrument comprises a base 1, an internal spline standard part 2, a meter frame 3, a dial indicator 4, a locking screw 5, a measuring rod sheath 6, a measuring rod 7, a positioning block 8, a measuring head 9, a measuring ball 10, a notch 11, a transmission rod 12, a transmission block 13, a measuring push rod 14, a spring 15, a measuring head 16 and a spline guide section 17.
Detailed Description
The utility model will be described in detail below with reference to the attached drawings:
examples: as shown in figures 1-3, the quick measuring device for the spacing of the internal spline rod comprises a base 1, an internal spline standard part 2, a meter frame 3, a dial indicator 4, a locking screw 5, a measuring rod sheath 6, a measuring rod 7, a positioning block 8, a measuring head 9, a measuring ball 10, a notch 11, a transmission rod 12, a transmission block 13, a measuring push rod 14, a spring 15, a measuring head 16 and a spline guide section 17.
Referring to fig. 1, a meter frame 3 is vertically fixed on a base 1, a measuring rod 7 is arranged on the meter frame 3 in a penetrating manner along a direction parallel to the surface of the base 1, and the measuring rod 7 is locked and fixed relative to the meter frame 3 by a locking screw 5. As shown in fig. 2 and 3, a measuring push rod 14 is arranged in the center of the measuring rod 7 in a relatively sliding manner, and a dial indicator 4 (preferably, a dial indicator or a displacement detection sensor) is fixedly arranged at the left end of the measuring rod 7 through a locking screw 5, so that a measuring head 16 of the dial indicator 4 abuts against the measuring push rod 14 (as shown in fig. 3). The right-hand member cover of measuring beam 7 is gone into locating piece 8 left side, still the cover is equipped with measuring head 9 on locating piece 8 right side (preferably, measuring head 9 adopts detachable connection, can change measuring head 9 according to actual measurement demand), measuring head 9 outer wall is equipped with the external spline, and two breach 11 are offered to measuring head 9 right-hand member (i.e. the one end of keeping away from measuring beam 7) symmetry, put into a measuring ball 10 in each breach 11, and make measuring ball 10 expose from breach 11, preferably, measuring ball 10's position corresponds with two relative tooth's socket on the measuring head 9, measuring ball 10 can be with the tooth's face contact of two relative on the internal spline during the assurance measurement. The measuring ball 10 is connected with and drives the transmission rod 12, make the transmission rod 12 slide axially relative to the measuring head 9, the left end of the transmission rod 12 is propped against the transmission block 13, the right end of the transmission block 13 is arranged in the measuring head 9 in a sliding manner, the diameter of the left end of the transmission block 13 is narrowed and stretches into the measuring rod 7, the thrust from the transmission rod 12 can be transmitted, thereby pushing the measuring push rod 14 to slide axially relative to the measuring rod 7, a spring 15 is arranged between the right end surface of the measuring rod 7 and the large end surface of the transmission block 13, and the spring 15 can provide elasticity for the transmission block 13, the transmission rod 12 and the measuring ball 10 after the internal spline is removed to realize resetting.
Preferably, a spline guide section 17 is arranged at the opening part of the right end (the end far away from the measuring rod 7) of the measuring head 9, and when the internal spline standard part 2 or the internal spline to be measured is sleeved into the measuring head 9, the guiding is realized through the spline guide section 17, so that the measuring operation is convenient. The internal spline standard 2 is placed on the base 1 for use when not in use.
Further, after the internal spline standard part 2 or the internal spline to be measured is sleeved into the measuring head 9, the internal spline standard part or the internal spline to be measured is blocked by the positioning block 8, so that the internal spline standard part or the internal spline to be measured is tightly attached to the end face of the positioning block 8, the contact position of the measuring ball 10 and the internal spline is ensured to be consistent during each measurement, the measurement precision is improved, and the measurement error caused by human factors is avoided.
Preferably, the measuring rod 7 is sleeved with the measuring rod sheath 6, so that the measuring rod 7 is protected, and the durability of the device is improved.
The measuring process of the utility model comprises the following steps:
1. and setting and adjusting the installation position of the positioning block 8 on the quick measuring device for the spacing of the internal spline rod according to the position to be detected of the actual internal spline.
2. The internal spline standard part 2 is sleeved on a measuring head 9 of the internal spline bar interval rapid measuring device, so that the internal spline standard part 2 is tightly attached to the end face of the positioning block 8, and at the moment, the dial indicator 4 on the measuring device is zeroed.
3. And taking down the internal spline standard part 2, then inserting the internal spline sleeve of the measured workpiece into the measuring head 9 of the internal spline rod spacing rapid measuring device, moving to a position closely attached to the end face of the positioning block 8, observing the dial indicator 4 on the measuring device, reading out an actual measured value, and calculating corresponding parameters of the internal spline standard part 2 to obtain the rod spacing of the internal spline of the measured workpiece.
It should be understood that equivalents and modifications to the technical scheme and the inventive concept of the present utility model should fall within the scope of the claims appended hereto.
Claims (5)
1. An internal spline stick interval rapid measurement device, its characterized in that: the measuring device comprises a base (1), a meter frame (3), a measuring rod (7), a positioning block (8) and a measuring head (9), wherein the meter frame (3) for fixedly installing the measuring rod (7) is arranged on the base (1), a measuring push rod (14) is arranged on the measuring rod (7) in a relatively sliding manner, one end of the measuring rod (7) is fixedly provided with a dial indicator (4), a measuring head (16) of the dial indicator (4) is abutted against the measuring push rod (14), and the other end of the measuring rod (7) is sleeved into the positioning block (8); still the cover is equipped with measuring head (9) in locating piece (8), measuring head (9) outer wall is equipped with the external spline, and measuring head (9) are kept away from measuring stick (7) one end symmetry and are offered two breach (11), be used for putting into measuring ball (10) in breach (11), make measuring ball (10) expose from breach (11), measuring ball (10) are connected and are driven relative measuring head (9) axial slip of transfer line (12), the other end of transfer line (12) supports on transfer line (13), the one end slip setting of transfer line (13) is in measuring head (9), the transfer line (13) other end stretches into measuring stick (7), be used for promoting measuring push rod (14), set up spring (15) between measuring stick (7) and the transfer line (13).
2. The internal spline bar spacing rapid measurement apparatus according to claim 1, wherein: and one end of the measuring head (9) far away from the measuring rod (7) is provided with a spline guide section (17), and when the internal spline standard part (2) or an internal spline to be measured is sleeved into the measuring head (9), the guiding is realized through the spline guide section (17).
3. The internal spline bar spacing rapid measurement apparatus according to claim 2, wherein: after the internal spline standard part (2) or the internal spline to be measured is sleeved into the measuring head (9), the internal spline standard part is tightly attached to the end face of the positioning block (8).
4. The internal spline bar spacing rapid measurement apparatus according to claim 1, wherein: the measuring rod (7) is sleeved with a measuring rod sheath (6).
5. The internal spline bar spacing rapid measurement apparatus according to claim 1, wherein: the measuring rod (7) is fixed with the meter frame (3) through the locking screw (5), and the dial indicator (4) is fixed with the measuring rod (7) through the locking screw (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322018528.9U CN220356273U (en) | 2023-07-28 | 2023-07-28 | Quick measuring device of internal spline stick interval |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322018528.9U CN220356273U (en) | 2023-07-28 | 2023-07-28 | Quick measuring device of internal spline stick interval |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220356273U true CN220356273U (en) | 2024-01-16 |
Family
ID=89485291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322018528.9U Active CN220356273U (en) | 2023-07-28 | 2023-07-28 | Quick measuring device of internal spline stick interval |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220356273U (en) |
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2023
- 2023-07-28 CN CN202322018528.9U patent/CN220356273U/en active Active
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