CN211205126U - Wall thickness difference measuring device for cylindrical part - Google Patents
Wall thickness difference measuring device for cylindrical part Download PDFInfo
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- CN211205126U CN211205126U CN201922366879.2U CN201922366879U CN211205126U CN 211205126 U CN211205126 U CN 211205126U CN 201922366879 U CN201922366879 U CN 201922366879U CN 211205126 U CN211205126 U CN 211205126U
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Abstract
The utility model discloses a wall thickness difference measuring device for a cylindrical part, which comprises a base, a rolling support assembly and a measuring arm assembly, wherein the rolling support assembly is fixed on the upper surface of the base and is used for supporting the cylindrical part to be measured, and the measuring arm assembly is connected with the upper surface of the base through a horizontal guide rail; the measuring arm assembly comprises a measuring arm support connected with the base through a horizontal guide rail and two measuring arms connected to the measuring arm support through the same horizontal pin shaft; the wall thickness measuring device is characterized in that a dial indicator is installed between shaft connecting ends of the two measuring arms, clamping parts are respectively arranged on opposite sides of free ends of the two measuring arms, and the opening distance of the shaft connecting ends of the two measuring arms is read through the dial indicator, so that the wall thickness of a cylindrical part to be measured is measured. The utility model discloses a measuring device has solved the poor measuring problem of cylinder wall thickness, has realized the accurate measurement of optional position wall thickness difference.
Description
Technical Field
The utility model relates to a poor measuring device of wall thickness for cylinder belongs to the quality testing field.
Background
In the process of machining the cylindrical part, the phenomenon of inconsistent wall thickness, namely the phenomenon of poor wall thickness, can occur under the limitation of process conditions. The size of the wall thickness difference directly influences the subsequent machining. The measurement of the wall thickness difference is very necessary for the subsequent machine.
The traditional method for measuring the wall thickness difference of the cylindrical part is mainly to detect through an ultrasonic thickness gauge or measure through calipers, the method calculates the wall thickness difference of the measured part by measuring the wall thicknesses of a plurality of positions, and the problem that whether the selection of a measured point is accurate exists, so that the measurement result is influenced, and the potential safety hazard when the part in a thermal state is measured in a short distance also exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the traditional method of measuring the wall thickness difference of the cylindrical part, having the problems of poor measuring accuracy, poor safety and the like, and providing a wall thickness difference measuring device for the cylindrical part.
The utility model aims at realizing through the following technical scheme:
the utility model discloses a wall thickness difference measuring device for a cylindrical part, which comprises a base, a rolling support component fixed on the upper surface of the base and used for supporting the cylindrical part to be measured, and a measuring arm component connected with the upper surface of the base through a horizontal guide rail, wherein the extending direction of the horizontal guide rail is parallel to the rolling support axis of the rolling support component;
the measuring arm assembly comprises a measuring arm support connected with the base through a horizontal guide rail and two measuring arms connected to the measuring arm support through the same horizontal pin shaft; the shaft connecting ends of the two measuring arms are provided with a dial indicator, the opposite sides of the free ends of the two measuring arms are respectively provided with a clamping part, the inner wall and the outer wall of the cylindrical part to be measured are clamped by the clamping parts of the free ends of the two measuring arms, and the opening distance of the shaft connecting ends of the two measuring arms is read by the dial indicator, so that the wall thickness of the cylindrical part to be measured is measured.
During measurement, the cylindrical part to be measured is supported on the rolling support assembly, and the clamping parts at the free ends of the two measuring arms of the measuring arm assembly clamp the inner wall and the outer wall of the cylindrical part to be measured; reading the opening distance of the connecting ends of the two measuring arm shafts through the dial indicator, so as to measure the wall thickness of the clamping part of the free ends of the two measuring arms at the time for clamping the cylindrical part to be measured; rotating the cylindrical part to be measured around the axis of the cylindrical part to be measured, so as to measure the wall thickness of the cylindrical part to be measured at any circumferential position; and moving the rolling support assembly along the horizontal guide rail, so as to measure the wall thickness of the cylindrical part to be measured at any axial position.
And a limiting frame for limiting the axial movement of the cylindrical part to be tested is fixed on the upper plate surface of the base.
The rolling support assembly comprises two rows of supporting rollers which are oppositely arranged, and each row of supporting rollers are connected by the same transmission shaft; and the transmission shafts connected with one row of supporting rollers are connected with the output shaft of the rotating motor, and the rotating motor drives one row of supporting rollers connected with the rotating motor to rotate through the connected transmission shafts, so that the cylindrical part to be measured supported on the rolling support assembly rotates around the axis of the cylindrical part to be measured.
And a measuring arm support of the measuring arm assembly is connected with a transmission lead screw arranged on the base through a threaded hole, and the transmission lead screw is rotated to drive the measuring arm support to move along the horizontal guide rail.
The transmission lead screw is connected with an output shaft of the rotating motor through a gear transmission structure, so that the rotating motor drives the transmission lead screw and the support roller of the rolling support assembly to rotate simultaneously, and the two measuring arms of the measuring arm assembly measure the wall thickness of the cylindrical part to be measured along the spiral direction.
Advantageous effects
The utility model discloses a measuring device, simple structure, convenient operation has solved the poor measuring problem of cylinder wall thickness, has realized the accurate measurement of optional position wall thickness difference, adds the requirement for satisfying follow-up machine and provides the guarantee, the potential safety hazard brought when avoiding measuring the hot state part simultaneously.
Drawings
FIG. 1 is a front view of the measuring device of the present invention;
FIG. 2 is a top view of the measuring device of the present invention;
in the figure, 1-base; 2-horizontal guide rail; 3-measuring the arm support; 4-a measuring arm; 5-dial indicator; 6-a clamping part; 7-a limiting frame; 8-supporting rollers; 9-rotating the motor; 10-a drive screw; 11-a gear transmission mechanism; 12-the cylinder to be tested.
Detailed Description
The invention will be further described with reference to the accompanying drawings and examples.
Examples
As shown in fig. 1 and 2, the utility model discloses a wall thickness difference measuring device for a cylindrical part, which comprises a base 1, a rolling support assembly fixed on the base 1 and having a plate surface for supporting a cylindrical part 12 to be measured, and a measuring arm assembly connected to the upper plate surface of the base 1 through a horizontal guide rail 2, wherein the extending direction of the horizontal guide rail 2 is parallel to the rolling support axis of the rolling support assembly;
the measuring arm assembly comprises a measuring arm support 3 connected with the base 1 through a horizontal guide rail 2 and two measuring arms 4 connected to the measuring arm support 3 through the same horizontal pin shaft; two measuring arm 4's hub connection end between install percentage table 5, two measuring arm 4 opposite one side of free end be provided with clamping part 6 respectively, two measuring arm 4 through the inside and outside wall of the clamping part 6 clamping awaiting measuring cylinder 12 of free end separately, through percentage table 5 reads the opening distance of two measuring arm 4 hub connection ends to record the wall thickness of awaiting measuring cylinder 12.
During measurement, the cylindrical part 12 to be measured is supported on the rolling support assembly, and the clamping parts 6 at the free ends of the two measuring arms 4 of the measuring arm 4 assembly clamp the inner wall and the outer wall of the cylindrical part 12 to be measured; the opening distance of the shaft connecting ends of the two measuring arms 4 is read through the dial indicator 5, so that the wall thickness of the position, at which the clamping parts 6 of the free ends of the two measuring arms 4 clamp the cylindrical part 12 to be measured, is measured; rotating the cylindrical part 12 to be measured to rotate around the axis of the cylindrical part, so as to measure the wall thickness of the cylindrical part 12 to be measured at any circumferential position; and moving the rolling support assembly along the horizontal guide rail 2, so as to measure the wall thickness of the cylindrical part 12 to be measured at any axial position.
And a limiting frame 7 for limiting the axial movement of the cylindrical part 12 to be tested is fixed on the upper plate surface of the base 1.
The rolling support assembly comprises two rows of supporting rollers 8 which are oppositely arranged, and each row of supporting rollers 8 are connected by the same transmission shaft; the transmission shafts connected with one row of supporting rollers 8 are connected with the output shaft of the rotating motor 9, and the rotating motor 9 drives the row of supporting rollers 8 connected with the rotating motor to rotate through the connected transmission shafts, so that the cylindrical part 12 to be measured supported on the rolling support assembly rotates around the axis of the cylindrical part.
And a measuring arm support 3 of the measuring arm 4 assembly is connected with a transmission screw rod 10 installed on the base 1 through a threaded hole, and the transmission screw rod 10 is rotated to drive the measuring arm support 3 to move along the horizontal guide rail 2.
The transmission screw 10 is connected with an output shaft of the rotating motor 9 through the gear transmission mechanism 11, so that the rotating motor 9 drives the transmission screw 10 and the supporting roller 8 of the rolling support assembly to rotate simultaneously, and the two measuring arms 4 of the measuring arm 4 assembly measure the wall thickness of the cylindrical part 12 to be measured along the spiral direction.
Claims (5)
1. A wall thickness difference measuring device for a cylindrical member is characterized in that: the device comprises a base, a rolling support assembly and a measuring arm assembly, wherein the rolling support assembly is fixed on the upper plate surface of the base and used for supporting a cylindrical part to be measured, the measuring arm assembly is connected to the upper plate surface of the base through a horizontal guide rail, and the extending direction of the horizontal guide rail is parallel to the rolling support axis of the rolling support assembly;
the measuring arm assembly comprises a measuring arm support connected with the base through a horizontal guide rail and two measuring arms connected to the measuring arm support through the same horizontal pin shaft; the shaft connecting ends of the two measuring arms are provided with a dial indicator, the opposite sides of the free ends of the two measuring arms are respectively provided with a clamping part, the inner wall and the outer wall of the cylindrical part to be measured are clamped by the clamping parts of the free ends of the two measuring arms, and the opening distance of the shaft connecting ends of the two measuring arms is read by the dial indicator, so that the wall thickness of the cylindrical part to be measured is measured.
2. A wall thickness difference measuring device for a cylindrical member according to claim 1, wherein: and a limiting frame for limiting the axial movement of the cylindrical part to be tested is fixed on the upper plate surface of the base.
3. A wall thickness difference measuring device for a cylindrical member according to claim 1, wherein: the rolling support assembly comprises two rows of supporting rollers which are oppositely arranged, and each row of supporting rollers are connected by the same transmission shaft; and the transmission shafts connected with one row of supporting rollers are connected with the output shaft of the rotating motor, and the rotating motor drives one row of supporting rollers connected with the rotating motor to rotate through the connected transmission shafts, so that the cylindrical part to be measured supported on the rolling support assembly rotates around the axis of the cylindrical part to be measured.
4. A wall thickness difference measuring apparatus for a cylindrical member according to any one of claims 1 to 3, wherein: and a measuring arm support of the measuring arm assembly is connected with a transmission lead screw arranged on the base through a threaded hole, and the transmission lead screw is rotated to drive the measuring arm support to move along the horizontal guide rail.
5. A wall thickness difference measuring device for a cylindrical member according to claim 4, wherein: the transmission lead screw is connected with an output shaft of the rotating motor through a gear transmission structure, so that the rotating motor drives the transmission lead screw and the support roller of the rolling support assembly to rotate simultaneously, and the two measuring arms of the measuring arm assembly measure the wall thickness of the cylindrical part to be measured along the spiral direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922366879.2U CN211205126U (en) | 2019-12-25 | 2019-12-25 | Wall thickness difference measuring device for cylindrical part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922366879.2U CN211205126U (en) | 2019-12-25 | 2019-12-25 | Wall thickness difference measuring device for cylindrical part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211205126U true CN211205126U (en) | 2020-08-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922366879.2U Active CN211205126U (en) | 2019-12-25 | 2019-12-25 | Wall thickness difference measuring device for cylindrical part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211205126U (en) |
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2019
- 2019-12-25 CN CN201922366879.2U patent/CN211205126U/en active Active
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