CN213714266U - Detection tool for measuring span-ball distance of worm spiral line - Google Patents
Detection tool for measuring span-ball distance of worm spiral line Download PDFInfo
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- CN213714266U CN213714266U CN202022820648.7U CN202022820648U CN213714266U CN 213714266 U CN213714266 U CN 213714266U CN 202022820648 U CN202022820648 U CN 202022820648U CN 213714266 U CN213714266 U CN 213714266U
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Abstract
The utility model discloses an examine utensil for measuring worm helix is across ball distance, including base, fixed gauge head mechanism, location supporting component, measurement seat, activity gauge head and meter, location supporting component sets up on the base and the bearing supports is surveyed worm spare, the both sides that just are located on being surveyed worm spare on the base in the perpendicular to are provided with fixed gauge head mechanism and measurement seat respectively by the worm spare axial direction of being surveyed, the activity gauge head is worn to be equipped with by the worm spare axial activity of being surveyed to the perpendicular to on the measurement seat be provided with the meter on the base, just the measuring head contact of meter is served in one of activity gauge head deviating from being surveyed worm spare, can save equipment cost, improves detection efficiency, provides high reliability and accurate measurement.
Description
Technical Field
The utility model belongs to examine a field, in particular to an examine utensil for measuring worm helix span ball distance.
Background
The worm is an important moving part of an automobile steering system, and the jumping of the worm and the jumping size of the upper end gear directly influence the experience of an automobile driver on smoothness of automobile operation. At present, a three-needle inspection method is adopted for measuring the span of the spiral line of the worm, so that the efficiency is low and the labor is wasted by adopting the measuring method.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides an examine utensil for measuring worm helix span ball distance can save equipment cost, improves detection efficiency, provides high reliability and accurate measurement.
The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the utility model is as follows:
the measuring tool comprises a base, a fixed measuring head mechanism, a positioning support assembly, a measuring seat, a movable measuring head and a measuring meter, wherein the positioning support assembly is arranged on the base and supports a measured worm piece, the fixed measuring head mechanism and the measuring seat are respectively arranged on the base in the direction perpendicular to the axial direction of the measured worm piece and on two sides of the measured worm piece, the movable measuring head is arranged on the measuring seat in a penetrating mode in the direction perpendicular to the axial direction of the measured worm piece, the measuring meter is arranged on the base, and the measuring head of the measuring meter is in contact with one end, deviating from the measured worm piece, of the movable measuring head.
Furthermore, a measuring gauge seat is arranged on the base, the measuring gauge is elastically arranged on the measuring gauge seat in the axial direction of the movable measuring head through an elastic body, and the measuring head of the measuring gauge is elastically contacted with the movable measuring head.
Furthermore, the elastomer is a return spring, a movable hole is formed in the measuring gauge stand in a penetrating mode, a measuring rod body of the measuring gauge is guided to penetrate through the movable hole, the return spring is sleeved on the measuring rod body, and the measuring rod body is elastically connected with the measuring gauge stand through the return spring.
Furthermore, the fixed measuring head mechanism comprises a fixed seat arranged on the base and a fixed measuring head arranged on the fixed seat, and the fixed measuring head is vertical to and contacts with the tested worm rod piece.
Furthermore, the fixed measuring heads comprise two fixed measuring heads which are arranged at intervals, and the movable measuring head is located between the two fixed measuring heads.
Furthermore, the base is arranged in a vertical plane in a height-inclined manner, one side of the base corresponding to the fixed side head mechanism is a low-end side, and one side of the base corresponding to the movable measuring head is a high-end side.
The measuring device further comprises a displacement driving mechanism, wherein the displacement driving mechanism is arranged on the measuring seat and drives the movable measuring head to displace along the axial direction.
Has the advantages that: the utility model discloses a location supporting component supports by the worm spare, fixes a position one side spiral shell tooth by the worm spare of surveying through fixed gauge head mechanism, and carries out the contact through the spiral shell tooth of activity gauge head to the opposite side and measure, the utility model discloses can save equipment cost, improve detection efficiency, provide high reliability and accurate measurement.
Drawings
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a top view of the overall structure of the present invention;
FIG. 3 is a sectional view taken along the line A-A of the overall structure of the present invention;
fig. 4 is a perspective view of the positioning support assembly of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 4, a gauge for measuring the span of a spiral line of a worm comprises a base 1, a fixed measuring head mechanism 2, a positioning support assembly 3, a measuring seat 4, a movable measuring head 5 and a measuring meter 9, wherein the positioning support assembly 3 is arranged on the base 1 and supports a measured worm 12, the positioning support assembly 3 comprises a plurality of support plates, the bottom ends of the support plates are linear support surfaces in a shape of a straight line, so that the height of the center line of a workpiece can be kept unchanged under the condition that the workpiece can move back and forth, the support plates are supported on an equal-diameter rod body of the measured worm 12, the fixed measuring head mechanism 2 and the measuring seat 4 are respectively arranged on the base in the direction perpendicular to the axial direction of the measured worm 12 and on two sides of the measured worm 12, the movable measuring head 5 is movably arranged on the measuring seat 4 in the direction perpendicular to the axial direction of the measured worm 12, the measuring meter 9 is arranged on the base 1, and the measuring head of the measuring gauge 9 is contacted with one end of the movable measuring head 5, which is far away from the tested worm rod 12. Fix a position one side spiral tooth of worm 12 through fixed gauge head mechanism 2, and carry out the contact through activity gauge head 5 to the spiral tooth of opposite side and measure, the utility model discloses can save equipment cost, improve detection efficiency, provide high reliability and accurate measurement.
The base 1 is provided with a measuring gauge seat 8, the measuring gauge 9 is elastically arranged on the measuring gauge seat 8 in the axial direction of the movable measuring head 5 through an elastic body 7, and a measuring head of the measuring gauge 9 is elastically contacted with the movable measuring head 5. Through the elastic action of elastomer to measuring gauge 9, can be so that the measuring head can be stable contact in activity measuring head 5, can increase measuring power through elastomer 7, make activity measuring head 5 can be through the abundant contact of spring force with the helix of work piece.
The elastic body 7 is a return spring, a movable hole is formed in the measuring gauge stand 8 in a penetrating mode, the measuring rod body of the measuring gauge 9 is guided to penetrate through the movable hole, the return spring is sleeved on the measuring rod body, the measuring rod is fixedly provided with a baffle 6, and the measuring rod body and the baffle 6 are elastically connected with the measuring gauge stand through the return spring.
The fixed measuring head mechanism 2 comprises a fixed seat 13 arranged on the base 1 and a fixed measuring head 11 arranged on the fixed seat 13, and the fixed measuring head 11 is vertical to and contacts with the tested worm 12.
Further, the fixed measuring heads 11 include two and are arranged at intervals, and the movable measuring head 5 is located between the two fixed measuring heads 11. The fixed measuring head 11 and the movable measuring head 5 are both rod-type structures, the measuring head end is of a ball head structure, the number of the fixed measuring heads 11 of the worm spiral line contact ball is two, the fixed measuring heads are parallel to the axis of the spiral line, the movable measuring head 5 is one, three-point type self-positioning of a workpiece is formed, and measuring accuracy is guaranteed.
The measuring device further comprises a displacement driving mechanism 20, wherein the displacement driving mechanism 20 is arranged on the measuring base 4, and the displacement driving mechanism 20 drives the movable measuring head 5 to displace along the axial direction. Actuating mechanism 20 includes pivot 17 and eccentric block 16, the axial of pivot 17 perpendicular to activity gauge head 5, just pivot 17 rotates and sets up on measuring seat 4, the one end of pivot 17 is provided with eccentric block 16 and the other end is provided with handle 18, the body of rod of activity gauge head 5 is fitted with a contraceptive ring and is equipped with ladder groove 15, eccentric block 16 corresponds the setting in ladder groove 15, through eccentric block 16 rotation drive activity gauge head 5 axial displacement. The movable measuring head can be withdrawn from the measuring state or be forwards in the measuring state through the spring by the rotation of the rotating shaft 17, so that the operation of taking and placing the workpiece is convenient.
The base 1 further comprises an installation seat 21 and a calibration piece 22 inserted in the inner cavity of the installation seat 21, the calibration piece is a calibration rod, and the circumferential wall of the calibration piece is provided with a plurality of ring groove structures. The calibration piece adopts the structure of three grooves, has avoided the difficult processing characteristics of helix, has guaranteed the accuracy of targeting, improves measurement of efficiency.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (7)
1. The utility model provides an examine utensil for measuring worm helix is across ball distance which characterized in that: including base (1), fixed gauge head mechanism (2), location supporting component (3), measurement seat (4), activity gauge head (5) and meter (9), location supporting component (3) set up on base (1) and the bearing supports by survey worm member (12), be provided with fixed gauge head mechanism (2) and measurement seat (4) respectively in perpendicular to on being surveyed worm member (12) axial direction and being located the both sides of being surveyed worm member (12) on the base, be equipped with activity gauge head (5) on measuring seat (4) perpendicular to is surveyed worm member (12) axial activity be provided with meter (9) on base (1), just the measuring head of meter (9) contacts in activity gauge head (5) and deviates from on the one end of being surveyed worm member (12).
2. The gauge for measuring the cross-spherical distance of the worm spiral line as claimed in claim 1, wherein: the measuring instrument is characterized in that a measuring instrument base (8) is arranged on the base (1), the measuring instrument (9) is elastically arranged on the measuring instrument base (8) in the axial direction of the movable measuring head (5) through an elastic body (7), and the measuring head of the measuring instrument (9) is elastically contacted with the movable measuring head (5).
3. The gauge for measuring the cross-spherical distance of the worm spiral line as claimed in claim 2, wherein: the elastic body (7) is a return spring, a movable hole is formed in the measuring gauge seat (8) in a penetrating mode, the measuring rod body of the measuring gauge (9) is guided to penetrate through the movable hole, the return spring is sleeved on the measuring rod body, and the measuring rod body is elastically connected with the measuring gauge seat through the return spring.
4. The gauge for measuring the cross-spherical distance of the worm spiral line as claimed in claim 1, wherein: the fixed measuring head mechanism (2) comprises a fixed seat (13) arranged on the base (1) and a fixed measuring head (11) arranged on the fixed seat (13), and the fixed measuring head (11) is perpendicular to and contacts with a tested worm rod piece (12).
5. The gauge for measuring the cross-spherical distance of the worm spiral line as claimed in claim 4, wherein: the fixed measuring heads (11) are arranged at intervals, and the movable measuring head (5) is located between the two fixed measuring heads (11).
6. The gauge for measuring the cross-spherical distance of the worm spiral line as claimed in claim 1, wherein: the base (1) is arranged in a vertical plane in a high-low inclined mode, one side, corresponding to the fixed measuring head mechanism (2), of the base (1) is the low end side, and one side, corresponding to the movable measuring head (5), of the base (1) is the high end side.
7. The gauge for measuring the cross-spherical distance of the worm spiral line as claimed in claim 1, wherein: the measuring device is characterized by further comprising a displacement driving mechanism (20), wherein the displacement driving mechanism (20) is arranged on the measuring base (4), and the displacement driving mechanism (20) drives the movable measuring head (5) to displace along the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022820648.7U CN213714266U (en) | 2020-11-30 | 2020-11-30 | Detection tool for measuring span-ball distance of worm spiral line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022820648.7U CN213714266U (en) | 2020-11-30 | 2020-11-30 | Detection tool for measuring span-ball distance of worm spiral line |
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| Publication Number | Publication Date |
|---|---|
| CN213714266U true CN213714266U (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022820648.7U Active CN213714266U (en) | 2020-11-30 | 2020-11-30 | Detection tool for measuring span-ball distance of worm spiral line |
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| CN (1) | CN213714266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113091570A (en) * | 2021-03-20 | 2021-07-09 | 浙江夏厦精密制造股份有限公司 | Worm rod span distance detection device and method with automatic deviation rectification function |
-
2020
- 2020-11-30 CN CN202022820648.7U patent/CN213714266U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113091570A (en) * | 2021-03-20 | 2021-07-09 | 浙江夏厦精密制造股份有限公司 | Worm rod span distance detection device and method with automatic deviation rectification function |
| CN113091570B (en) * | 2021-03-20 | 2022-07-05 | 浙江夏厦精密制造股份有限公司 | Worm rod span distance detection device and method with automatic deviation rectification function |
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