CN211121004U - Quick fixing measuring rod tool for measuring cross rod distance - Google Patents
Quick fixing measuring rod tool for measuring cross rod distance Download PDFInfo
- Publication number
- CN211121004U CN211121004U CN201921658233.5U CN201921658233U CN211121004U CN 211121004 U CN211121004 U CN 211121004U CN 201921658233 U CN201921658233 U CN 201921658233U CN 211121004 U CN211121004 U CN 211121004U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- shaft
- measuring
- fixed
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 238000005259 measurement Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 210000005224 forefinger Anatomy 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a rapid fixed measuring bar tool for measuring the span bar distance; the shaft sleeve is fixedly arranged at one end of the fixed sleeve in a sliding way; each measuring rod is respectively penetrated in a limiting through groove between the fixed sleeve and the shaft sleeve and limited by a limiting stop block; the push rod is slidably arranged in the axial reducing hole of the shaft sleeve, and the front end of the push rod is limited at the front end of the reducing hole; each wedge block is arranged in each radial mounting hole of the shaft sleeve, and the inner end surface of each wedge block is slidably abutted on the middle conical surface of the shaft sleeve; the self-tightening spiral spring A is sleeved on each wedge block and the shaft sleeve, and is assembled in the groove A in a clearance mode; the other end of the fixed sleeve is provided with a shaft lever, the other end is provided with a shaft lever shaft shoulder gear, the other part of the other end is thin, the thin wall is provided with a groove B and a measuring window, and the spiral springs B are respectively tightly sleeved on the thin wall and each measuring rod and assembled in the groove B. Use the utility model discloses can fix the gauge stick on the measurand axostylus axostyle fast, accurately, fixed reliability is high, has improved work efficiency greatly.
Description
Technical Field
The utility model relates to a measure drive shaft axostylus axostyle involute external splines and stride excellent instrument of quick fixed measuring stick for stick distance.
Background
The cross-rod distance of the involute external splines is a critical dimension which needs to be controlled by a shaft lever of the driving shaft, and the dimension is not well controlled, so that the press-fitting force of the shaft lever and the matched internal splines during press-fitting is too large or too small. Measurement of the cross-bar distance is important. The conventional method for measuring the span rod distance of the involute spline of the shaft lever at present comprises the following steps: firstly, a measuring bar is placed in a tooth groove by a hand and is pressed by a thumb, then another measuring pair tooth on the spline is found out, another measuring bar is placed in the tooth groove and is pressed by the forefinger of the same hand, and finally, the outside micrometer is held by the other hand for measurement. The above operation is repeated to measure the distance across the rod in the other vertical direction. The fixed measuring rod mode needs to occupy one hand, and measuring rod falling or measuring errors caused by a plurality of staggered teeth in the measuring process often occur. The mode of fixing the measuring rod by hands has low efficiency, is only suitable for occasions with low detection frequency requirements, such as spot inspection and the like, and can seriously affect the production efficiency in the occasions with high detection frequency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above-mentioned problem that exists among the prior art, provide a measure and stride excellent instrument of quick fixed measuring stick for apart from, use this instrument can fix the measuring stick on the measurand axostylus axostyle fast, accurately, measuring stick fixed reliability is high, does not break away from, not warp in whole measurement process, easy operation saves the manual work, has improved work efficiency greatly.
In order to achieve the above object, the technical solution of the present invention is: a quick fixed measuring rod tool for measuring a rod span comprises a fixed sleeve, a shaft sleeve, an even number of measuring rods, wedge blocks, push rods, self-tightening spiral springs A and more than two self-tightening spiral springs B, wherein the number of the wedge blocks is the same as that of the measuring rods; the fixed sleeve is provided with an internal spline matched with the external spline of the shaft lever; the shaft sleeve is slidably arranged at one end of the fixed sleeve and is fixed on the fixed sleeve by a detachable fixing piece; axial limiting through grooves which are assembled with each measuring rod in a clearance mode are arranged between the fixed sleeve and the shaft sleeve in a pairwise symmetry mode, and radial limiting holes communicated with the limiting through grooves are formed in the inner end, in contact with the shaft sleeve, of the end of the fixed sleeve; each measuring rod penetrates through the limiting through groove and is limited by a limiting stop block which is positioned in the limiting hole and fixed on the limiting through groove; the diameter of the front end part of the shaft sleeve is reduced, and a space for relative movement with the limit stop block is reserved; radial mounting holes which are in sliding fit with the wedge blocks are respectively formed in the positions of the shaft sleeve corresponding to the measuring rods; the shaft sleeve is provided with an axial reducing hole with a large front end diameter, the push rod with a handheld position at the rear end is slidably arranged in the axial reducing hole of the shaft sleeve, the diameter of the front end of the push rod is large, and the push rod is limited at the front end of the reducing hole; the middle of the shaft sleeve is conical; each wedge block is arranged in each radial mounting hole of the shaft sleeve, the inner end surface of each wedge block is an inclined cambered surface matched with the conical surface of the push rod, and the inclined cambered surface is slidably abutted on the conical surface of the shaft sleeve; the excircle of the same position of the outer end surface of each wedge block and the shaft sleeve is provided with a circle of groove A matched with the self-tightening spiral spring A, the groove A and the shaft sleeve have the same central shaft, the self-tightening spiral spring A is sleeved on each wedge block and the shaft sleeve, and the self-tightening spiral spring A is assembled in the groove A in a clearance way; the other end of the fixed sleeve is provided with a shaft lever, the other end is provided with a shaft lever shaft shoulder gear, the wall of the other part is thin, the thin wall is provided with grooves B which have the same number as the self-tightening spiral springs B and are matched with the shaft sleeve and have the same central shaft, the thin wall is provided with a measuring window at the position with a measuring rod, and the self-tightening spiral springs B are sleeved on the thin wall and are pressed on the measuring rod respectively and are assembled in the grooves B.
Further preferably, the fixing member for detachably fixing the shaft sleeve to the fixing sleeve is a jackscrew, and the shaft sleeve is fixed by jacking the jackscrew fixed in a radial hole of the fixing sleeve. Simple structure and convenient disassembly.
Further preferably, the limit stopper fixed on the measuring rod is a sleeve ring which is in interference fit with the measuring rod. The installation is simple, the implementation is easy, and the measuring rod only needs to be threaded in the axial limiting through groove and is rigidly threaded in the lantern ring.
Further preferably, the shaft lever shoulder at the other end of the fixing sleeve is shifted to a position that the inner wall surface of the fixing sleeve at the other end is a conical surface matched with the conical surface of the shaft lever shoulder. The shaft shoulder of the shaft lever is not rigidly propped, so that the probability of damaging the shaft shoulder of the shaft lever is reduced.
When in use, the push rod is pressed by hand and moves in the shaft sleeve, thereby driving each wedge block to move outwards in radial direction, the measuring rod is pushed to move outwards until contacting with the fixed sleeve, the pressure of the self-tightening spiral spring B between each measuring rod is overcome and the measuring rod is expanded outwards to the maximum, at this time, each measuring rod of the utility model is sleeved on the external spline of the shaft rod, when the fixed sleeve touches the shaft shoulder of the shaft rod, the push rod is loosened, under the action of the self-tightening spiral spring A, each wedge block moves inwards in radial direction and returns to urge the push rod to move outwards, each measuring rod is tightly attached to the external spline tooth surface of the shaft rod under the action of the pressure of the self-tightening spiral spring B, then the cross rod distance of the external spline of the shaft rod in each direction can be respectively measured by an external micrometer, adjustment is not needed midway, the measuring time is greatly saved, and the measuring rod does not need to be pressed by hand all the time in the measuring process, the measurement accuracy is high. After the measurement is finished, the push rod is pressed down, all the measuring rods are pushed outwards at the same time, and after the measuring rods are moved out from the shaft rods, the push rod is loosened.
In a word, use the utility model discloses can fix each measuring stick simultaneously on being surveyed the axostylus axostyle fast, accurately, measuring stick fixed reliability is high, does not break away from, not warpage in whole measurement process, and easy operation saves the manual work, has improved work efficiency greatly.
Drawings
Fig. 1 is a left side view of the present invention;
FIG. 2 is a cross-sectional view AA in FIG. 1;
Fig. 3 is a BB cross-sectional view of fig. 1.
Detailed Description
The present invention will be further described with reference to the following embodiments.
As shown in fig. 1, fig. 2 and fig. 3, the present embodiment includes a fixing sleeve 7, a shaft sleeve 10, four (two, six, etc. may also be provided according to measurement requirements) measuring rods 4, four wedge blocks 2, a push rod 1, a self-tightening coil spring A8, and two (3, 4, etc. may also be provided according to requirements) self-tightening coil springs B5. The fixing sleeve 7 has internal splines matching with the external splines of the shaft 6. The shaft sleeve 10 is slidably arranged at one end of the fixed sleeve 7 and is fixed on the fixed sleeve by a detachable fixing piece; preferably, the fixing element for detachably fixing the shaft sleeve 10 on the fixing sleeve 7 is a top thread 9, and the shaft sleeve 10 is fixed by the top thread 9 fixed in a radial hole of the fixing sleeve 7. Two symmetric axial limiting through grooves 11 which are assembled with the four measuring rods 4 in a clearance mode are arranged between the fixed sleeve 7 and the shaft sleeve 10, and radial limiting holes communicated with the limiting through grooves 11 are formed in the inner end, in contact with the shaft sleeve 10, of the end of the fixed sleeve 7. The four measuring rods 4 penetrate through the limiting through grooves 11 respectively and are limited by limiting stop blocks which are positioned in the limiting holes and fixed on the limiting through grooves; preferably, the limit stop fixed on the measuring rod 4 is a sleeve ring 3 in interference fit with the measuring rod 4. The diameter of the front end of the shaft sleeve 10 is reduced, and a space for relative movement with the limit stop is reserved. The positions of the shaft sleeve 10 corresponding to the measuring bars 4 are respectively provided with radial mounting holes which are in sliding fit with the wedge blocks 2. The shaft sleeve 10 is provided with an axial reducing hole 13 with a large front end diameter, the push rod 1 with a holding position at the rear end is slidably mounted in the axial reducing hole 13 of the shaft sleeve 10, and the push rod 1 is large in front end 12 diameter and limited at the front end of the reducing hole 13. The middle of the shaft sleeve 10 is conical. Each wedge block 2 is arranged in each radial mounting hole of the shaft sleeve, the inner end surface is an inclined arc surface matched with the conical surface of the push rod 1, and the inclined arc surface is slidably abutted against the conical surface of the shaft sleeve 10. The outer end face of each wedge block 2 and the excircle of the same position of the shaft sleeve 10 are provided with a circle of grooves A14 matched with the self-tightening spiral springs A8, the grooves A14 and the shaft sleeve 10 are concentric, the self-tightening spiral springs A8 are sleeved on each wedge block 2 and the shaft sleeve 10, and the self-tightening spiral springs A8 are assembled in the grooves A14 in a clearance mode. The other end of the fixed sleeve 7 is provided with the shaft lever 6, the other end is provided with a shaft lever 6 shoulder gear 15 except the end part, the wall of the other part is thin, the thin wall is provided with grooves B16 which have the same number as the self-tightening spiral springs B5 and are matched with the shaft sleeve 10 and have the same central shaft, the thin wall is provided with a measuring window 17 at the position with the measuring rod 4, and the self-tightening spiral springs B5 are respectively sleeved and pressed on the thin wall and each measuring rod 4 and assembled in the grooves B16. Preferably, the shaft shoulder position 15 at the other end of the fixing sleeve 7 is that the inner wall surface of the fixing sleeve 10 at the end is a conical surface matched with the conical surface of the shaft shoulder.
The above-described embodiments are merely preferred and exemplary and are not intended to limit the present invention, and any modification, equivalent replacement, or improvement made without departing from the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides a measure and stride excellent distance with quick fixed measuring stick instrument which characterized in that: the self-tightening spiral spring device comprises a fixed sleeve, a shaft sleeve, an even number of measuring rods, wedge blocks, push rods, self-tightening spiral springs A and more than two self-tightening spiral springs B, wherein the number of the wedge blocks is the same as that of the measuring rods; the fixed sleeve is provided with an internal spline matched with the external spline of the shaft lever; the shaft sleeve is slidably arranged at one end of the fixed sleeve and is fixed on the fixed sleeve by a detachable fixing piece; axial limiting through grooves which are assembled with each measuring rod in a clearance mode are arranged between the fixed sleeve and the shaft sleeve in a pairwise symmetry mode, and radial limiting holes communicated with the limiting through grooves are formed in the inner end, in contact with the shaft sleeve, of the end of the fixed sleeve; each measuring rod penetrates through the limiting through groove and is limited by a limiting stop block which is positioned in the limiting hole and fixed on the limiting through groove; the diameter of the front end part of the shaft sleeve is reduced, and a space for relative movement with the limit stop block is reserved; radial mounting holes which are in sliding fit with the wedge blocks are respectively formed in the positions of the shaft sleeve corresponding to the measuring rods; the shaft sleeve is provided with an axial reducing hole with a large front end diameter, the push rod with a handheld position at the rear end is slidably arranged in the axial reducing hole of the shaft sleeve, the diameter of the front end of the push rod is large, and the push rod is limited at the front end of the reducing hole; the middle of the shaft sleeve is conical; each wedge block is arranged in each radial mounting hole of the shaft sleeve, the inner end surface of each wedge block is an inclined cambered surface matched with the conical surface of the push rod, and the inclined cambered surface is slidably abutted on the conical surface of the shaft sleeve; the excircle of the same position of the outer end surface of each wedge block and the shaft sleeve is provided with a circle of groove A matched with the self-tightening spiral spring A, the groove A and the shaft sleeve have the same central shaft, the self-tightening spiral spring A is sleeved on each wedge block and the shaft sleeve, and the self-tightening spiral spring A is assembled in the groove A in a clearance way; the other end of the fixed sleeve is provided with a shaft lever, the other end is provided with a shaft lever shaft shoulder gear, the wall of the other part is thin, the thin wall is provided with grooves B which have the same number as the self-tightening spiral springs B and are matched with the shaft sleeve and have the same central shaft, the thin wall is provided with a measuring window at the position with a measuring rod, and the self-tightening spiral springs B are sleeved on the thin wall and are pressed on the measuring rod respectively and are assembled in the grooves B.
2. The tool of claim 1 for measuring cross-rod distance with a fast fixed gauge rod, wherein: the fixing part for detachably fixing the shaft sleeve on the fixing sleeve is a jackscrew, and the shaft sleeve is jacked and fixed by the jackscrew fixed in a radial hole of the fixing sleeve.
3. The tool of claim 1 or 2 for measuring cross-rod distance with a fast fixed gauge rod, wherein: the limit stop fixed on the measuring rod is a lantern ring in interference fit with the measuring rod.
4. The tool of claim 3 for measuring cross-rod distance with a fast fixed gauge rod, wherein: the shaft lever shaft shoulder at the other end of the fixed sleeve is a conical surface matched with the conical surface of the shaft lever shaft shoulder on the inner wall surface of the fixed sleeve at the end.
5. The tool of claim 1 or 2 for measuring cross-rod distance with a fast fixed gauge rod, wherein: the shaft lever shaft shoulder at the other end of the fixed sleeve is a conical surface matched with the conical surface of the shaft lever shaft shoulder on the inner wall surface of the fixed sleeve at the end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921658233.5U CN211121004U (en) | 2019-09-30 | 2019-09-30 | Quick fixing measuring rod tool for measuring cross rod distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921658233.5U CN211121004U (en) | 2019-09-30 | 2019-09-30 | Quick fixing measuring rod tool for measuring cross rod distance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211121004U true CN211121004U (en) | 2020-07-28 |
Family
ID=71698160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921658233.5U Withdrawn - After Issue CN211121004U (en) | 2019-09-30 | 2019-09-30 | Quick fixing measuring rod tool for measuring cross rod distance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211121004U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595329A (en) * | 2019-09-30 | 2019-12-20 | 耐世特凌云驱动系统(涿州)有限公司 | Quick fixing measuring rod tool for measuring cross rod distance |
-
2019
- 2019-09-30 CN CN201921658233.5U patent/CN211121004U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595329A (en) * | 2019-09-30 | 2019-12-20 | 耐世特凌云驱动系统(涿州)有限公司 | Quick fixing measuring rod tool for measuring cross rod distance |
| CN110595329B (en) * | 2019-09-30 | 2024-10-15 | 耐世特凌云驱动系统(涿州)有限公司 | Quick fixing rod measuring tool for measuring rod span |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106895768B (en) | Ring groove diameter gauge | |
| CN202092575U (en) | Measuring tool for measuring central hole depth | |
| CN102261882B (en) | Six-claw double-measurement-position internal diameter measuring instrument | |
| CN102679941A (en) | Device for detecting taper of outer cone of conical ring | |
| CN211121004U (en) | Quick fixing measuring rod tool for measuring cross rod distance | |
| CN108692642B (en) | Gauge for measuring maximum and minimum values of spacing between internal spline bars on part | |
| CN103115549A (en) | Handheld universal measuring instrument for M values of internal splines | |
| CN202432977U (en) | Coaxiality detection tool | |
| CN202024715U (en) | Measuring tool for measuring PCD (Pitch Circle Diameter) reference of external starwheel | |
| CN202470961U (en) | Measuring tool for measuring effective length of real axis spline | |
| CN103344167A (en) | Crankshaft semicircular key groove depth detection tool | |
| CN110595329A (en) | Quick fixing measuring rod tool for measuring cross rod distance | |
| CN210603038U (en) | Measuring device for size of inner groove | |
| CN210664279U (en) | Quick gauge for hole pitch of machined part | |
| CN208671881U (en) | Measure the measurer of internal spline multi-section stick spacing foozle | |
| CN203798266U (en) | External thread intermediate diameter micrometer | |
| CN108680082B (en) | Forging measuring device | |
| RU2687078C1 (en) | Inside dial gauge | |
| CN214620978U (en) | Gauge for measuring diameter of inner groove | |
| CN202048874U (en) | Six-claw double measuring position internal diameter measuring instrument | |
| CN109596034B (en) | Depth gauge for ball pin | |
| CN208936925U (en) | The conical surface is apart from special gauge | |
| CN210603027U (en) | Plug gauge for measuring step hole precision | |
| CN203758395U (en) | Vernier caliper | |
| CN210070824U (en) | Measuring device for profile milling cutter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200728 Effective date of abandoning: 20241015 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200728 Effective date of abandoning: 20241015 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |