CN218884867U - Be used for braking pincers top surface excircle axiality to detect measuring tool - Google Patents
Be used for braking pincers top surface excircle axiality to detect measuring tool Download PDFInfo
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- CN218884867U CN218884867U CN202223149342.9U CN202223149342U CN218884867U CN 218884867 U CN218884867 U CN 218884867U CN 202223149342 U CN202223149342 U CN 202223149342U CN 218884867 U CN218884867 U CN 218884867U
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- brake caliper
- coaxiality
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Abstract
The utility model relates to a be used for braking pincers top surface excircle axiality to detect measuring tool belongs to and detects measuring tool technical field. The measuring tool comprises a base plate, the upside of bottom plate is connected with the support, the support is connected with the table frame, the table frame has been seted up and has been transferred the hole, the support still is connected with the round pin, the measuring stick is worn to be equipped with by the table frame, the direction spout has been seted up to the measuring stick, the table frame is connected with the cylindric lock, the measuring stick is connected with the pressure spring, the pressure spring is connected with the percentage table, the bush has been cup jointed in the outside of percentage table measuring end, the measuring stick is connected with the gauge head, the bottom plate still rotates and is connected with the dabber, the circumference butt of gauge head and the braking pincers work piece that awaits measuring is in order to detect its top surface excircle concentricity. After a workpiece to be detected is arranged in the mandrel, the gauge stand is adjusted to enable the measuring head to abut against the outer circle of the top surface of the workpiece to be detected, then the dial indicator is calibrated to zero, and the workpiece is rotated to check the deflection of the dial indicator, so that coaxiality data of the outer circle of the top surface of the brake caliper can be detected. The detection measuring tool has the advantages of high detection speed and low detection cost, and is suitable for detection in batch production.
Description
Technical Field
The utility model belongs to the technical field of detect the measuring tool, a be used for braking pincers top surface excircle coaxiality to detect measuring tool is related to.
Background
The coaxiality tolerance zone refers to a region in a cylindrical surface of which the diameter is a tolerance value and which is coaxial with the reference axis. The coaxiality tolerance is limited to both the coaxiality of the wire and the coaxiality of the point. The coaxiality of the lines refers to the allowable variation amount of the actually measured axis with respect to the reference axis. The coaxiality of the points relates to the precision requirement that the element is the circle center and the measured circle center is coincident with the reference circle center. For the detection of the coaxiality of the outer circle of the top surface of the brake caliper, the conventional detection means is three-coordinate detection, the three coordinates firstly detect the inner hole of the top surface of a workpiece, the axis of the inner hole is taken as a reference axis, then a point is taken on the outer circle of the top surface, the axis of the outer circle is simulated, and the coaxiality of the outer circle axis to the reference axis is measured and calculated through a three-coordinate program; however, the detection method has long detection time and high detection cost, and is not suitable for detection in batch production.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a be used for braking pincers top surface excircle axiality to detect measuring tool, after the dabber will be packed into to the work piece that awaits measuring, the adjustment table frame makes the gauge head near measuring work piece top surface excircle, then with the percentage table school zero, the beat volume that the percentage table was looked over to rotatory work piece can detect and obtain braking pincers top surface excircle axiality data. The detection measuring tool has the advantages of high detection speed and low detection cost, and can be suitable for detection in batch production.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the measuring tool for detecting the outer circle coaxiality of the top surface of the brake caliper comprises a bottom plate, wherein a support and a mandrel are connected to the upper side of the bottom plate, the support is connected with a gauge stand through a third screw, a hole is formed in the gauge stand, the support is further connected with a pin sliding in the hole, a measuring rod penetrates through the gauge stand, the measuring rod is connected with a pressure spring, the free end of the pressure spring is connected with a dial indicator, a dial plate of the dial indicator is arranged on the outer side of the measuring rod, the dial indicator is connected with the measuring rod through a first screw, the free end of the measuring rod is connected with a measuring head through a locking nut, the mandrel is rotatably connected with the bottom plate, the mandrel is used for being connected with a brake caliper workpiece to be detected, and the measuring head is abutted to the circumferential surface of the brake caliper workpiece to be detected so as to detect the outer circle coaxiality of the top surface.
Optionally, the measuring rod is provided with a guide chute, and the gauge stand is connected with a cylindrical pin sliding in the guide chute.
Optionally, a bushing is sleeved on the outer side of the measuring end of the dial indicator, and the first screw abuts against the bushing to lock the dial indicator.
Optionally, the support is connected with the bottom plate through a positioning pin and a second screw.
The utility model discloses a principle and beneficial effect lie in:
description
Fixedly connecting the support to the bottom plate by using a positioning pin and a second screw, unscrewing a third screw to pull out the gauge stand to the side far away from the mandrel, connecting the brake caliper workpiece to be tested with the mandrel, then reversely sliding the gauge stand to enable the measuring head to be abutted against the circumferential surface of the brake caliper workpiece to be tested, screwing the third screw, adjusting the pointer of the dial indicator to be 0, and locking the zero-calibrated dial indicator by using a first screw; the central spindle is rotated to drive the brake caliper workpiece to be tested to rotate along with the central spindle, the deflection of the outer circle coaxiality of the top surface of the brake caliper workpiece enables the pressure spring to deform, the pointer of the dial indicator changes due to the deformation, and the deflection of the dial indicator is used as the outer circle coaxiality detection data of the top surface of the brake caliper to be tested. The measuring tool has the advantages of high detection speed and low detection cost, and can be suitable for detection in batch production.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of a coaxiality measuring tool for the outer circle of the top surface of a brake caliper;
FIG. 2 is a cross-sectional view of a coaxiality measuring tool for the outer circle of the top surface of a brake caliper;
FIG. 3 is a top view of a coaxiality measuring tool for the outer circle of the top surface of the brake caliper;
reference numerals: the measuring instrument comprises a locking nut 1, a measuring head 2, a measuring rod 3, a mandrel 4, a bottom plate 5, a cylindrical pin 6, a pressure spring 7, a lining 8, an adjusting hole 9, a first screw 10, a meter frame 11, a support 12, a positioning pin 13, a second screw 14, a third screw 15 and a dial indicator 16.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; for those skilled in the art, some of the known structures in the drawings and their descriptions may be omitted
Are to be understood.
The same or similar reference numbers in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Please refer to fig. 1 to 3, which are a measuring tool for detecting the outer circular coaxiality of the top surface of a brake caliper, and the measuring tool comprises a bottom plate 5, wherein the upper side of the bottom plate 5 is connected with a support 12 through a positioning pin 13 and a second screw 14, the support 12 is connected with a gauge stand 11 through a third screw 15, the gauge stand 11 is provided with an adjusting hole 9, the support 12 is further connected with a pin sliding in the adjusting hole 9, the gauge stand 11 is penetrated with a measuring rod 3, the measuring rod 3 is provided with a guide chute, the gauge stand 11 is connected with a cylindrical pin 6 sliding in the guide chute, the measuring rod 3 is connected with a pressure spring 7, the right end of the pressure spring 7 is connected with a dial indicator 16, the dial indicator of the dial indicator 16 is arranged on the outer side of the measuring rod 3, the dial indicator 16 is connected with the measuring rod 3 through a first screw 10, the outer side of the measuring end of the dial indicator 16 is sleeved with a bushing 8, the first screw 10 abuts against the bushing 8 to lock the dial indicator 16, the left end of the measuring rod 3 is connected with a spindle 2 through a locking nut 1, the upper side of the bottom plate 5 is further rotatably connected with a brake caliper 4 for fixing the brake caliper for detecting the outer circular coaxiality of the top surface of the brake caliper, and the brake caliper 2 abuts against the workpiece to be detected.
The specific implementation process is as follows:
before the detection measuring tool is used, the support 12 is fixedly connected to the bottom plate 5 by using the positioning pin 13 and the second screw 14; unscrewing the third screw 15 to pull out the meter frame 11 to the right side, and then connecting the brake caliper workpiece to be measured with the mandrel 4; then, sliding the gauge stand 11 leftwards to enable the measuring head 2 to be abutted against the circumferential surface of the brake caliper workpiece to be measured, and screwing down the third screw 15; then, the pointer of the dial indicator 16 is adjusted to be 0, and the dial indicator 16 is locked with the measuring rod 3 by using the first screw 10 after zero calibration; the mandrel 4 is rotated to drive the brake caliper workpiece to be detected to rotate along with the mandrel, and the deflection quantity of the dial indicator 16 is checked to obtain the detection data of the outer circle coaxiality of the top surface of the brake caliper to be detected.
The detection measuring tool has the advantages of high detection speed and low detection cost, and can be suitable for detection in batch production.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or substituted by equivalents without departing from the spirit and scope of the technical solutions, which should be covered by the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a be used for caliper top surface excircle coaxiality measuring tool which characterized in that: the brake caliper comprises a base plate (5), the upside of base plate (5) is connected with a support (12) and a mandrel (4), the support (12) is connected with a gauge stand (11) through a third screw (15), a hole (9) is adjusted in gauge stand (11), the support (12) is further connected with a pin sliding in the hole (9), a measuring rod (3) penetrates through gauge stand (11), measuring rod (3) is connected with a pressure spring (7), the free end of pressure spring (7) is connected with a dial indicator (16), the dial plate of the dial indicator (16) is arranged on the outer side of the measuring rod (3), the dial indicator (16) is connected with the measuring rod (3) through a first screw (10), the free end of the measuring rod (3) is connected with a measuring head (2) through a locking nut (1), the mandrel (4) is connected with base plate (5) in a rotating mode, the mandrel (4) is used for being connected with a brake caliper workpiece to be measured, and the measuring head (2) is connected with the circumferential surface of the brake caliper to be measured so as to detect the excircle out-of coaxiality of the brake caliper.
2. A caliper for detecting outer circular coaxiality of brake caliper top surfaces according to claim 1, wherein: the measuring rod (3) is provided with a guide sliding groove, and the meter frame (11) is connected with a cylindrical pin (6) which slides with the guide sliding groove.
3. A caliper for detecting outer circular coaxiality of brake caliper top surfaces according to claim 1, wherein: the outside of percentage table (16) measuring end has cup jointed bush (8), first screw (10) with bush (8) butt is in order to lock percentage table (16).
4. A caliper for detecting outer circular coaxiality of brake caliper top surfaces according to claim 1, wherein: the support (12) is connected with the bottom plate (5) through a positioning pin (13) and a second screw (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223149342.9U CN218884867U (en) | 2022-11-24 | 2022-11-24 | Be used for braking pincers top surface excircle axiality to detect measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223149342.9U CN218884867U (en) | 2022-11-24 | 2022-11-24 | Be used for braking pincers top surface excircle axiality to detect measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218884867U true CN218884867U (en) | 2023-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223149342.9U Active CN218884867U (en) | 2022-11-24 | 2022-11-24 | Be used for braking pincers top surface excircle axiality to detect measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218884867U (en) |
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2022
- 2022-11-24 CN CN202223149342.9U patent/CN218884867U/en active Active
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