CN110608705A - Multifunctional leaf spring detection mandrel - Google Patents
Multifunctional leaf spring detection mandrel Download PDFInfo
- Publication number
- CN110608705A CN110608705A CN201810615317.4A CN201810615317A CN110608705A CN 110608705 A CN110608705 A CN 110608705A CN 201810615317 A CN201810615317 A CN 201810615317A CN 110608705 A CN110608705 A CN 110608705A
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- CN
- China
- Prior art keywords
- steel ball
- leaf spring
- mounting hole
- mounting
- mandrel
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- Pending
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A multifunctional leaf spring detection mandrel belongs to the technical field of leaf spring detection equipment. The method is characterized in that: including dabber main part (1), the middle part diameter of dabber main part (1) is greater than the diameter at both ends, form detection portion (101), it has at least three radial mounting hole (104) to encircle detection portion (101) interval equipartition, the equal slidable mounting of one end of every mounting hole (104) has steel ball (2), still be provided with spring (3) that promote the steel ball and outwards move in every mounting hole (104), make steel ball (2) outside protrusion in detection portion (101) set up, the one end that mounting hole (104) are close to steel ball (2) is equipped with spacing portion (105) that the diameter is less than steel ball (2) diameter. This kind of multi-functional leaf spring detects dabber can detect the leaf spring's of multiple model lug, and the atress is even, after the leaf spring lug of packing into, detects the even atress of dabber and can not become flexible, detects the accuracy.
Description
Technical Field
A multifunctional leaf spring detection mandrel belongs to the technical field of leaf spring detection equipment.
Background
After leaf spring production accomplished, need detect leaf spring's lug, the detection of lug adopts the detection dabber usually, and current leaf spring detects the measuring tool of dabber for fixed a certain size, can only detect the product that corresponds the size, causes the model many, the management difficulty, and the cooperation is loose to detect data inaccurate.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, the detection of the lifting lugs with various sizes can be adapted, and the multifunctional steel plate spring detection mandrel with accuracy is detected.
The technical scheme adopted by the invention for solving the technical problems is as follows: this multi-functional leaf spring detects dabber, its characterized in that: including the dabber main part, the middle part diameter of dabber main part is greater than the diameter at both ends, forms the detection portion, encircles the interval equipartition of detection portion and has at least three radial mounting hole, and the equal slidable mounting of one end of every mounting hole has the steel ball, still is provided with the spring that promotes the steel ball outward movement in every mounting hole, makes steel ball outside protrusion in the setting of detection portion, and the one end that the mounting hole is close to the steel ball is equipped with the spacing portion that the diameter is less than the steel ball diameter.
Preferably, the mounting hole is a blind hole, the spring is arranged on the inner side of the steel ball, and the spring is in a compressed state.
Preferably, the mounting hole is a through hole, a mounting pin is detachably mounted at one end of the mounting hole, which is far away from the steel ball, a spring is arranged between the mounting pin and the steel ball, and the spring is in a compressed state.
Preferably, the mounting hole is a threaded hole, and threads are arranged around the outer wall of the mounting pin.
Preferably, the middle part of the outer end of the mounting pin is provided with a groove with a concave middle part.
Preferably, three rows of the mounting holes are uniformly distributed at intervals around the detection part, and two mounting holes are arranged at intervals in each row.
Preferably, each adjacent mounting hole is arranged at an interval in the axial direction of the mandrel main body.
Preferably, the two ends of the mandrel main body are symmetrically provided with annular measuring lines, each measuring line is provided with a measuring point, and the connecting line of the measuring points at the two ends is parallel to the axis of the mandrel main body.
Compared with the prior art, the invention has the beneficial effects that:
1. this kind of multi-functional leaf spring detects dabber and encircles detection portion interval equipartition and has at least three radial mounting hole, the spring promotes the steel ball and outwards removes, make steel ball protrusion and detection portion setting, thereby can freely adjust the size of steel ball protrusion in the detection portion according to the internal diameter of lug, can detect the leaf spring's of multiple model lug, the atress is even, after the leaf spring lug is packed into, it can not become flexible to detect the even atress of dabber, it is accurate to detect, spacing portion can avoid the steel ball to break away from the mounting hole.
2. One end of the mounting hole is sealed by the mounting pin, one end of the spring is supported at the inner end of the mounting pin, and the other end of the spring pushes the steel ball to move outwards, so that the mounting of the steel ball and the spring is facilitated.
3. The mounting hole is the screw hole, and the mounting pin outer wall is provided with the screw thread, and mounting pin and mounting hole threaded connection have made things convenient for the equipment of dabber, and the outer end middle part of mounting pin is provided with the recess, and when the mounting pin wholly was located the mounting hole, the dismouting of easy to assemble round pin can also avoid the mounting pin to cause the hindrance to the detection of lug.
4. Every adjacent mounting hole sets up along the axis interval of dabber main part, avoids hindering each other between the adjacent mounting hole.
5. When detecting the lug, place dabber and leaf spring on the horizontally platform, through measuring the distance of two measuring points and platform and the distance of two measuring points and leaf spring middle part through-hole, can judge the depth of parallelism and the straightness that hangs down in a certain scope through the distance difference of both sides.
Drawings
Fig. 1 is a front view of a multifunctional leaf spring detection mandrel.
Fig. 2 is a schematic sectional view in the direction of a-a in fig. 1.
Fig. 3 is a partially enlarged view of B in fig. 1.
In the figure: 1. the device comprises a mandrel main body 101, a detection part 102, a measuring line 103, a measuring point 104, a mounting hole 105, a limiting part 2, a steel ball 3, a spring 4, a mounting pin 401 and a groove.
Detailed Description
FIG. 1 ~ 3 shows a preferred embodiment of the present invention, which is further described below with reference to FIG. 1 ~ 3.
The utility model provides a multi-functional leaf spring detects dabber, including dabber main part 1, the middle part diameter of dabber main part 1 is greater than the diameter at both ends, form detection portion 101, it has at least three radial mounting hole 104 to encircle detection portion 101 interval equipartition, the equal slidable mounting of one end of every mounting hole 104 has steel ball 2, still be provided with the spring 3 that promotes the steel ball outward movement in every mounting hole 104, make the 2 outside bulges of steel ball set up with detection portion 101, the one end that mounting hole 104 is close to steel ball 2 is equipped with the spacing portion 105 that the diameter is less than steel ball 2 diameter. This kind of multi-functional leaf spring detects dabber and encircles detection portion interval equipartition and has at least three radial mounting hole 104, spring 3 promotes steel ball 2 and outwards removes, make steel ball 2 protrusion in detection portion 101 setting, thereby can freely adjust the size of steel ball 2 protrusion in the detection portion according to the internal diameter of lug, can detect the leaf spring's of multiple model lug, the atress is even, after the leaf spring lug is packed into, it can not become flexible to detect the even atress of dabber, it is accurate to detect, spacing 105 can avoid the steel ball to break away from the mounting hole.
The present invention is further described with reference to the following detailed description, however, it should be understood by those skilled in the art that the detailed description given herein with respect to the accompanying drawings is for better explanation and that the present invention is not necessarily limited to the specific embodiments, but rather, for equivalent alternatives or common approaches, may be omitted from the detailed description, while still remaining within the scope of the present application.
Example 1
As shown in fig. 1 ~ 3, the cross section of the mandrel body 1 is circular, the middle part of the mandrel body 1 is provided with a detection part 101 with a diameter larger than the diameters of the two ends, the lengths of the mandrel bodies 1 at the two ends of the detection part 101 are equal, and the length of the detection part 101 is smaller than the length of the mandrel body 1 at any side of the detection part 101.
Two ends of the mandrel main body 1 are symmetrically provided with annular measuring lines 102 around the mandrel main body 1, and the distances between the measuring lines 102 at the two ends and the corresponding side of the detection part 101 are equal. Each measuring line 102 is provided with one measuring point 103, and the connecting line of the two measuring points 103 is arranged parallel to the axis of the mandrel body 1.
The mounting holes 104 are through holes radially arranged along the detection part 101, three rows of the mounting holes 104 are uniformly distributed around the detection part 101 at intervals, two mounting holes 104 are arranged in each row, and every two adjacent mounting holes 104 are arranged at intervals along the axis of the mandrel body 1, so that the two adjacent mounting holes 104 are prevented from being interfered with each other.
The diameter of the steel ball 2 is slightly smaller than the inner diameter of the mounting hole 104, the steel ball 2 is partially arranged in the mounting hole 104, and a limiting part 105 with the diameter smaller than that of the steel ball 2 is arranged at one end, close to the steel ball 2, of the mounting hole 104, so that the steel ball 2 is prevented from being separated from the mounting hole 104. The spring 3 is arranged in the mounting hole 104, and the mounting pin 4 is detachably mounted at one end, far away from the steel ball 2, of the mounting hole 104. The spring 3 is in a compressed state, one end of the spring 3 is supported at the inner end of the mounting pin 4, and the other end of the spring pushes the steel ball 2 to move outwards, so that the outer side of the steel ball 2 protrudes out of the detection part 101.
Mounting hole 104 is the screw hole, and the outer wall that encircles mounting pin 4 is provided with the screw thread, and mounting pin 4 and mounting hole 104 threaded connection, the outer end middle part of mounting pin 4 is provided with square recess 401, can make things convenient for the dismouting of mounting pin 4 through screwdriver with mounting pin 4 screw in or screw out mounting hole 104, can also make mounting pin 4 wholly be located mounting hole 104, avoids causing the hindrance to the measurement of lug, also makes the dismouting of dabber simple.
During the use, stretch into the lug that waits to detect with the detection portion 101 of dabber in, three rows of steel balls 2 atress are even, and every steel ball 2 can be along with the internal diameter of lug and automatically regulated protrusion in the size of mounting hole 104, make the even atress of lug not hard up to it is accurate to have guaranteed to detect. When detecting the lug, place dabber and leaf spring on the horizontally platform, through measuring the distance of two measuring point 103 and platform and the distance of two measuring point 103 and leaf spring middle part through-hole, can judge the depth of parallelism and the straightness that hangs down in a certain extent through the distance difference of both sides.
Example 2
Example 2 differs from example 1 in that: the mounting hole 104 is a blind hole, one end of the spring 3 is supported at the bottom of the mounting hole 104, and the other end of the spring pushes the steel ball 2 to move outwards and protrude out of the detection part 101.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a multi-functional leaf spring detects dabber which characterized in that: including dabber main part (1), the middle part diameter of dabber main part (1) is greater than the diameter at both ends, form detection portion (101), it has at least three radial mounting hole (104) to encircle detection portion (101) interval equipartition, the equal slidable mounting of one end of every mounting hole (104) has steel ball (2), still be provided with spring (3) that promote the steel ball and outwards move in every mounting hole (104), make steel ball (2) outside protrusion in detection portion (101) set up, the one end that mounting hole (104) are close to steel ball (2) is equipped with spacing portion (105) that the diameter is less than steel ball (2) diameter.
2. The multifunctional leaf spring testing mandrel of claim 1, wherein: the mounting hole (104) is a blind hole, the spring (3) is arranged on the inner side of the steel ball (2), and the spring (3) is in a compressed state.
3. The multifunctional leaf spring testing mandrel of claim 1, wherein: the mounting hole (104) is a through hole, the mounting pin (4) is detachably mounted at one end, far away from the steel ball (2), of the mounting hole (104), the spring (3) is arranged between the mounting pin (4) and the steel ball (2), and the spring (3) is in a compression state.
4. The multifunctional leaf spring testing mandrel of claim 3, wherein: the mounting hole (104) is a threaded hole, and threads are arranged on the outer wall of the surrounding mounting pin (4).
5. The multifunctional leaf spring testing mandrel of claim 4, wherein: the middle part of the outer end of the mounting pin (4) is provided with a groove (401) with a concave middle part.
6. The multifunctional leaf spring testing mandrel of claim 1, wherein: three rows of mounting holes (104) are uniformly distributed at intervals around the detection part (101), and two mounting holes (104) are arranged at intervals in each row.
7. The multifunctional leaf spring testing mandrel of claim 1 or 6, wherein: every two adjacent mounting holes (104) are arranged at intervals in the axial direction of the mandrel main body (1).
8. The multifunctional leaf spring testing mandrel of claim 1, wherein: the two ends of the mandrel main body (1) are symmetrically provided with annular measuring lines (102), each measuring line (102) is provided with a measuring point (103), and a connecting line of the measuring points (103) at the two ends is parallel to the axis of the mandrel main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615317.4A CN110608705A (en) | 2018-06-14 | 2018-06-14 | Multifunctional leaf spring detection mandrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615317.4A CN110608705A (en) | 2018-06-14 | 2018-06-14 | Multifunctional leaf spring detection mandrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110608705A true CN110608705A (en) | 2019-12-24 |
Family
ID=68887870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810615317.4A Pending CN110608705A (en) | 2018-06-14 | 2018-06-14 | Multifunctional leaf spring detection mandrel |
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| Country | Link |
|---|---|
| CN (1) | CN110608705A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114486221A (en) * | 2022-01-21 | 2022-05-13 | 东风柳州汽车有限公司 | Prediction device and prediction method for steel plate spring state |
-
2018
- 2018-06-14 CN CN201810615317.4A patent/CN110608705A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114486221A (en) * | 2022-01-21 | 2022-05-13 | 东风柳州汽车有限公司 | Prediction device and prediction method for steel plate spring state |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191224 |
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| WD01 | Invention patent application deemed withdrawn after publication |