CN211452138U - Initial distance detection device of ball way in nut - Google Patents

Initial distance detection device of ball way in nut Download PDF

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Publication number
CN211452138U
CN211452138U CN201922474293.8U CN201922474293U CN211452138U CN 211452138 U CN211452138 U CN 211452138U CN 201922474293 U CN201922474293 U CN 201922474293U CN 211452138 U CN211452138 U CN 211452138U
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measuring
nut
bottom plate
fixedly arranged
measured
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CN201922474293.8U
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沈荣
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Shanghai Koal Automobile Technology Development Co ltd
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Shanghai Koal Automobile Technology Development Co ltd
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Abstract

The utility model relates to an originated distance detection device of ball way in nut, the device include for bottom plate (8), fixed establishment and measuring mechanism set firmly on the axis of bottom plate (8), measuring mechanism include measuring head (3), measuring stick (4), measure supporting shoe (5), first amesdial (6), at least one guide rail (12), measure sliding block group (13), second amesdial (14), measuring plate (15). Compared with the prior art, the utility model has the advantages of measure fast, the error reflection is directly perceived, easy operation.

Description

Initial distance detection device of ball way in nut
Technical Field
The utility model belongs to the technical field of the automobile parts technique and specifically relates to a ball way originated distance detection device in nut is related to.
Background
The automobile electric steering gear nut has wide application prospect and large use amount; the installation and use requirements are high, and the requirements are strict and consistent when the starting point of the internal thread of each nut is manufactured.
Because the distance of measurement is the distance of lane initial point to appointed terminal surface in the nut, and the internal thread is the circular arc, and the circular arc radius is big, and the position of initial point is very difficult to confirm, artificially with slide caliper rule, micrometer can not reach actual measurement operation requirement at all, the error is big, and waste time and energy, because measured not accurate, can't use after the assembly and cause batch waste product.
In the prior art, the initial distance of the inner lane is measured by using three coordinates, the measurement time is long, and the method cannot be directly used in a production field with severe environment, so that the rapid processing and production of the nut are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a measure originated distance detection device of lane in nut quick, error reflection directly perceived, easy operation in order to overcome the defect that above-mentioned prior art exists.
The purpose of the utility model can be realized through the following technical scheme:
a device for detecting the initial distance of a ball path in a nut comprises a bottom plate, a fixing mechanism and a measuring mechanism, wherein the fixing mechanism and the measuring mechanism are fixedly arranged on the central axis of the bottom plate, the measuring mechanism comprises a measuring head, a measuring rod, a measuring supporting block, a first dial indicator, at least one guide rail, a measuring slider group, a second dial indicator and a measuring plate, the guide rail is fixedly arranged on the central axis of the bottom plate, the measuring slider group is in sliding connection with the guide rail, the measuring supporting block is fixedly arranged on the measuring slider group, the measuring rod is hinged with the measuring supporting block, the measuring head is arranged at one end of the measuring rod, the first dial indicator is fixedly arranged on the measuring slider group through an L-shaped support, the support is also connected with the measuring plate, and the second dial indicator is fixedly arranged on the bottom plate; during measurement, the measuring head is abutted to the thread of the nut to be measured, the other end of the measuring rod is abutted to the measuring end of the first dial indicator, and the measuring plate is abutted to the measuring end of the second dial indicator.
Furthermore, the fixing mechanism comprises a V-shaped support frame for placing the nut to be measured, and the V-shaped support frame is fixedly arranged on the central axis of the bottom plate.
Furthermore, a positioning block for accurately positioning the nut to be measured is also arranged on the V-shaped support frame; during measurement, the starting point of the internal thread of the nut to be measured corresponds to the positioning block in a matching mode.
Furthermore, a pressing handle is also arranged on the bottom plate, the pressing handle is fixedly arranged on a central axis of the bottom plate through a pressing bracket, and the pressing handle is hinged with the pressing bracket; when in measurement, the pressing handle is abutted to the nut to be measured.
Furthermore, the measuring mechanism also comprises a movable handle which is convenient for the movement of the measuring slide block group, and the movable handle is fixedly connected with the measuring slide block group.
Furthermore, the measuring mechanism also comprises a differential measurer for limiting the advancing speed of the moving handle, and the differential measurer is fixedly arranged on the bottom plate; during measurement, the differential measurer is abutted with the movable handle.
Furthermore, a nut placing area for placing the nut to be measured is arranged on the bottom plate.
The specific operation method of the device comprises the following steps:
(1) taking out the nut to be measured from the nut placing area and installing the nut to be measured on the V-shaped support frame; at the moment, the reference D of the starting point of the internal thread of the nut to be measured corresponds to the positioning block, and the compaction handle is moved to clamp the nut to be measured;
(2) pushing the movable handle, adjusting the differential measurer at the same time, enabling the measuring head to rotate along the internal thread of the nut to be measured, when the first dial indicator reaches the maximum, finding the lowest point of the ball path of the nut to be measured, and enabling the second dial indicator to have a reading at the moment and represent the position of the lowest point of the ball path, namely the initial position of the ball path in the nut, and enabling the reading of the second dial indicator to return to zero and using the point as a reference point of a standard part;
(3) and taking down the nut to be measured, taking out another nut to be measured from the nut placing area, and repeating the previous two steps, wherein the reading and the last offset of the second dial indicator are the offset of the initial positions of the ball paths in the nut on the part and the standard part and are also the numerical values expected by the device.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the measurement is rapid, the measurement waiting time is reduced, the error of each part is visually reflected by the second dial indicator, and complicated conversion is not needed;
(2) the measurement operation is simpler than three-coordinate measurement, and the measuring device can be used after the personnel are simply trained, unlike three-coordinate measurement, the measurement device needs to be trained for a long time by a professional;
(3) the device is provided with a differential measurer, so that the advancing speed of the measuring slide block group can be reduced, the initial position of a ball path in the nut can be more accurately judged, and the missing of an optimal measuring point is avoided;
(4) the device is provided with a compression handle for fixing the nut to be measured and is matched with the V-shaped support frame, so that the nut to be measured is prevented from shaking during measurement to the maximum extent, and the measurement result is more accurate;
(5) be equipped with the nut that is used for placing the volume of awaiting measuring nut on the device and place the district, take when conveniently testing, avoid missing to survey or repeated measurement.
Drawings
FIG. 1 is a front view of the detecting device in the embodiment before measurement;
FIG. 2 is a top view of the detecting device of the embodiment before measurement;
FIG. 3 is a front view of the detecting unit in the embodiment;
FIG. 4 is a top view of the detecting device in the embodiment;
the reference numbers in the figures indicate: the device comprises a pressing handle 1, a pressing support 101, a nut 2 to be measured, a measuring head 3, a measuring rod 4, a measuring support block 5, a first dial indicator 6, a support 61, a positioning block 7, a bottom plate 8, a support frame 9, a differential measurer 10, a moving handle 11, a guide rail 12, a measuring slider group 13, a second dial indicator 14, a measuring plate 15 and a nut placing area 16.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Examples
A device for detecting the initial distance of a ball path in a nut comprises a bottom plate 8, a fixing mechanism and a measuring mechanism as shown in figures 1-2, wherein a nut placing area 16 for placing a nut 2 to be measured is arranged on the bottom plate 8. The fixing mechanism and the measuring mechanism are fixedly arranged on the central axis of the bottom plate 8.
The measuring mechanism comprises a measuring head 3, a measuring rod 4, a measuring support block 5, a first dial indicator 6, at least one guide rail 12, a measuring slider group 13, a second dial indicator 14 and a measuring plate 15, wherein the guide rail 12 is fixedly arranged on the central axis of the bottom plate 8, the measuring slider group 13 is in sliding connection with the guide rail 12, the measuring support block 5 is fixedly arranged on the measuring slider group 13, the measuring rod 4 is hinged with the measuring support block 5, the measuring head 3 is arranged at one end of the measuring rod 4, the first dial indicator 6 is fixedly arranged on the measuring slider group 13 through an L-shaped bracket 61, the bracket 61 is also connected with the measuring plate 15, and the second dial indicator 14 is fixedly arranged on the bottom plate 8; the measuring mechanism further comprises a moving handle 11 for facilitating the movement of the measuring slide set 13, and the moving handle 11 is fixedly connected with the measuring slide set 13. The measuring mechanism further comprises a differential gauge 10 for limiting the speed of advance of the mobile handle 11, the differential gauge 10 being fixed to the base plate 8.
The fixing mechanism comprises a V-shaped support frame 9 for placing the nut 2 to be measured, and the V-shaped support frame 9 is fixedly arranged on the central axis of the bottom plate 8. And a positioning block 7 for accurately positioning the nut 2 to be measured is also arranged on the V-shaped support frame 9. The bottom plate 8 is also provided with a pressing handle 1, the pressing handle 1 is fixedly arranged on the axis of the bottom plate 8 through a pressing support 101, and the pressing handle 1 is hinged with the pressing support 101.
During measurement, referring to fig. 3-4, the measuring head 3 is abutted to the thread of the nut 2 to be measured, the other end of the measuring rod 4 is abutted to the measuring end of the first dial indicator 6, and the measuring plate 15 is abutted to the measuring end of the second dial indicator 14; during measurement, the differential measuring device 10 is abutted with the moving handle 11; the starting point of the internal thread of the nut 2 to be measured is matched and corresponds to the positioning block 7; the pressing handle 1 abuts against the nut 2 to be measured.
The specific operation method of the device comprises the following steps:
(1) taking the nut 2 to be measured out of the nut placing area 16 and installing the nut on the V-shaped support frame 9; at the moment, the reference D of the starting point of the internal thread of the nut 2 to be measured corresponds to the positioning block 7, and the compaction handle 1 is moved to clamp the nut 2 to be measured;
(2) pushing the movable handle 11, adjusting the differential measurer 10 at the same time, enabling the measuring head 3 to rotate along the internal thread of the nut 2 to be measured, when the first dial indicator 6 reaches the maximum, finding the lowest point of the lane of the nut 2 to be measured, and at the moment, the second dial indicator 14 also has a reading which represents the position of the lowest point of the lane, namely the initial position of the lane in the nut, and enabling the reading of the second dial indicator 14 at the moment to return to zero, and taking the point as the reference point of the standard part;
(3) and (3) taking down the nut 2 to be measured, taking out another nut 2 to be measured from the nut placing area 16, and repeating the previous two steps, wherein the reading of the second dial indicator 14 and the last offset are the offset values of the initial positions of the ball tracks in the nut on the part and the standard part and are also the numerical values expected by the device.

Claims (8)

1. The device for detecting the initial distance of the ball path in the nut is characterized by comprising a bottom plate (8), a fixing mechanism and a measuring mechanism, wherein the fixing mechanism and the measuring mechanism are fixedly arranged on the bottom plate (8), the measuring mechanism comprises a measuring head (3), a measuring rod (4), a measuring supporting block (5), a first dial indicator (6), at least one guide rail (12), a measuring slider group (13), a second dial indicator (14) and a measuring plate (15), the guide rail (12) is fixedly arranged on the bottom plate (8), the measuring slider group (13) is in sliding connection with the guide rail (12), the measuring supporting block (5) is fixedly arranged on the measuring slider group (13), the measuring rod (4) is hinged with the measuring supporting block (5), the measuring head (3) is arranged at one end of the measuring rod (4), the first dial indicator (6) is fixedly arranged on the measuring slider group (13) through an L-shaped bracket (61), the bracket (61) is also connected with the measuring plate (15), and the second dial indicator (14) is fixedly arranged on the bottom plate (8); during measurement, the measuring head (3) is abutted to the thread of the nut (2) to be measured, the other end of the measuring rod (4) is abutted to the measuring end of the first dial indicator (6), and the measuring plate (15) is abutted to the measuring end of the second dial indicator (14).
2. The device for detecting the starting distance of the ball track in the nut as claimed in claim 1, wherein the fixing mechanism comprises a V-shaped support frame (9) for placing the nut (2) to be measured, and the V-shaped support frame (9) is fixedly arranged on the central axis of the bottom plate (8).
3. The device for detecting the starting distance of the ball track in the nut as claimed in claim 2, characterized in that a positioning block (7) for accurately positioning the nut (2) to be measured is further arranged on the V-shaped supporting frame (9); during measurement, the starting point of the internal thread of the nut (2) to be measured is matched and corresponds to the positioning block (7).
4. The device for detecting the starting distance of the ball path in the nut as claimed in claim 1, wherein the bottom plate (8) is further provided with a pressing handle (1), the pressing handle (1) is fixedly arranged on a central axis of the bottom plate (8) through a pressing bracket (101), and the pressing handle (1) is hinged with the pressing bracket (101); when in measurement, the pressing handle (1) is abutted against the nut (2) to be measured.
5. The device for detecting the starting distance of the ball track in the nut as claimed in claim 1, wherein the measuring mechanism further comprises a moving handle (11) for facilitating the movement of the measuring slide block set (13), and the moving handle (11) is fixedly connected with the measuring slide block set (13).
6. A device for detecting the starting distance of a ball track in a nut as claimed in claim 1 or 5, wherein said measuring means further comprises a differential measurer (10) for limiting the advancing speed of the moving handle (11), said differential measurer (10) being fixed to the base plate (8); during measurement, the differential measurer (10) is abutted with the movable handle (11).
7. The device for detecting the starting distance of the ball track in the nut as claimed in claim 1, characterized in that the bottom plate (8) is provided with a nut placing area (16) for placing the nut (2) to be measured.
8. The device for detecting the starting distance of the ball track in the nut as claimed in claim 1, wherein the fixing mechanism and the measuring mechanism are fixedly arranged on the central axis of the bottom plate (8), and the guide rail (12) is fixedly arranged on the central axis of the bottom plate (8).
CN201922474293.8U 2019-12-31 2019-12-31 Initial distance detection device of ball way in nut Active CN211452138U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922474293.8U CN211452138U (en) 2019-12-31 2019-12-31 Initial distance detection device of ball way in nut

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922474293.8U CN211452138U (en) 2019-12-31 2019-12-31 Initial distance detection device of ball way in nut

Publications (1)

Publication Number Publication Date
CN211452138U true CN211452138U (en) 2020-09-08

Family

ID=72301181

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922474293.8U Active CN211452138U (en) 2019-12-31 2019-12-31 Initial distance detection device of ball way in nut

Country Status (1)

Country Link
CN (1) CN211452138U (en)

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