CN210375085U - Deformation measuring device of cylindrical workpiece - Google Patents
Deformation measuring device of cylindrical workpiece Download PDFInfo
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- CN210375085U CN210375085U CN201921592848.2U CN201921592848U CN210375085U CN 210375085 U CN210375085 U CN 210375085U CN 201921592848 U CN201921592848 U CN 201921592848U CN 210375085 U CN210375085 U CN 210375085U
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- ring
- threaded rod
- guide rail
- measuring
- sliding block
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Abstract
The utility model discloses a deformation measuring device for a cylindrical workpiece, which comprises a base and a guide rail, wherein the lower end of the guide rail is vertically arranged on the base, an inner groove is arranged in the guide rail, and a sliding block which is in sliding fit with the inner groove is arranged in the inner groove so that the sliding block can slide up and down on the guide rail; the upper end surface of the guide rail is provided with a first threaded hole, the first threaded hole is in threaded connection with a first threaded rod, the lower end of the first threaded rod is positioned in the inner groove, the end part of the first threaded rod is provided with a connecting rod coaxial with the first threaded rod, the sliding block is provided with a through hole, the connecting rod penetrates through the through hole, and the tail end of the connecting rod is provided with a retaining ring to prevent the sliding block from; the measuring ring is arranged on the sliding block and is perpendicular to the first threaded rod, a plurality of sensor mounting holes are uniformly formed in the measuring ring, and linear displacement sensors are arranged in at least one group of sensor mounting holes. The utility model discloses deformation measuring device of cylinder work piece detects the precision height, convenient operation.
Description
Technical Field
The utility model belongs to the technical field of the deformation measuring equipment, concretely relates to deformation measuring device of cylinder work piece.
Background
For the radial deformation research of the cylindrical member, the magnitude of the radial deformation value needs to be detected.
The existing cylindrical part deformation detection equipment is used for sleeving a detection ring provided with a linear displacement sensor on a cylindrical part when detecting the deformation of the cylindrical part, when the cylindrical part is required to be sequentially detected along the axial direction of the cylindrical part, a screw on the detection ring is required to be unscrewed, and the detection ring is lifted to a proper position and then fixed by a screw.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a deformation measuring device of cylinder work piece that detects the precision height, measure convenient.
In order to realize the purpose, the utility model discloses a technical scheme be:
a deformation measuring device for a cylindrical workpiece comprises a base and a guide rail, wherein the lower end of the guide rail is vertically arranged on the base, an inner groove is formed in the guide rail, and a sliding block which is in sliding fit with the inner groove is arranged in the inner groove so that the sliding block can slide up and down on the guide rail; the upper end surface of the guide rail is provided with a first threaded hole, the first threaded hole is in threaded connection with a first threaded rod, the upper end of the first threaded rod is provided with a first knob, the lower end of the first threaded rod is positioned in the inner groove, the end part of the first threaded rod is provided with a connecting rod coaxial with the inner groove, the sliding block is provided with a through hole, the connecting rod penetrates through the through hole, and the tail end of the connecting rod is provided with a retaining ring to;
the measuring ring is arranged on the sliding block and is perpendicular to the first threaded rod, a plurality of sensor mounting holes are uniformly formed in the measuring ring, and linear displacement sensors are arranged in at least one group of sensor mounting holes.
The measuring ring comprises a first half ring and a second half ring with equal radius, one end of the first half ring is installed on the sliding block, the other end of the first half ring is hinged with one end of the second half ring, so that the second half ring can rotate around the end part of the hinged end of the first half ring to form the measuring ring with a full-circle structure, and the end surface of the movable end of the second half ring is connected with the first half ring through a key groove structure.
The second semi-ring movable end is equipped with "L" type connecting rod, is equipped with the second screw hole on the connecting rod, and second screw hole female connection has the second threaded rod towards the measuring ring centre of a circle, and the second threaded rod is close to measuring ring one end and is equipped with the extrusion piece, and the second threaded rod other end is equipped with the second knob and makes when the second semi-circle is whole circle around the rotatory constitution of first semi-ring hinged end tip, and the second threaded rod makes extrusion piece extrusion guide rail through rotatory second knob precession.
Furthermore, scales are arranged on the guide rail.
Furthermore, the connecting rod is connected with the through hole in the sliding block in a clearance fit mode.
Furthermore, the sliding block is also provided with a connecting groove, the guide rail is provided with a connecting key, and the connecting groove is matched with the connecting key in a groove type.
Further, the first knob is mounted on the first threaded rod in any one of a threaded connection and welding manner.
Since the technical scheme is used, the beneficial effects of the utility model are that:
the detection equipment of the utility model adopts the threaded rod to spin up to drive the measuring ring to slide up and down on the guide rail, the measuring ring can not be disassembled and assembled when moving up and down, the measuring ring is always parallel to the base detection platform, and the detection precision is high; be equipped with the convenient operation of knob on the threaded rod, evenly be provided with a plurality of sensor mounting holes so that install linear displacement sensor on the simultaneous measurement ring, the user can install linear displacement sensor in suitable position, convenient operation according to actual demand when using.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a perspective view of a first threaded rod of the present invention;
fig. 3 is a perspective view of the guide rail of the present invention;
fig. 4 is a schematic view of a measurement ring structure of the present invention;
FIG. 5 is an enlarged schematic view of section A of FIG. 1;
reference numerals: 1-base, 2-guide rail, 2 a-internal groove, 2 b-first threaded hole, 2 c-connecting key, 3-first threaded rod, 3 a-connecting rod, 3 b-first knob, 3 c-baffle ring, 4-measuring ring, 4 a-first semi-ring, 4 b-second semi-ring, 4 c-hinge structure, 4 d-sensor mounting hole, 401-connecting rod, 402-second threaded rod, 4021-second knob, 4022-extrusion block, 5-sliding block, 5 a-connecting groove and 6-linear displacement sensor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a deformation measuring device for a cylindrical workpiece comprises a base 1 and a guide rail 2, wherein the lower end of the guide rail 2 is vertically installed on the base 1, an inner groove 2a is formed in the guide rail 2, as shown in fig. 3, the section groove of the inner groove 2a is a T-shaped groove structure, and the tail end of the T-shaped groove penetrates through the inner wall of the guide rail 2.
The inner groove 2a is internally provided with a sliding block 5 in sliding fit with the sliding block 5, so that the sliding block 5 can slide up and down on the guide rail 2, the upper end surface of the guide rail 2 is provided with a first threaded hole 2b, the first threaded hole 2b is in threaded connection with a first threaded rod 3, the length of the first threaded rod 3 is greater than that of the guide rail 2, the upper end of the first threaded rod is provided with a first knob 3b, as shown in a diagram a in fig. 2, the lower end of the first threaded rod 3 is positioned in the inner groove 2a, the end part of the first threaded rod 3 is provided with a connecting rod 3a coaxial with the connecting rod 3a, namely, the lower end of the first threaded rod 3 is positioned in the inner groove 2a, the tail end of the lower part of the first threaded rod is provided with the connecting rod 3a coaxial with the connecting rod 3a, as shown in a diagram b in fig. 2, the.
As shown in fig. 1 and 4, the slide block 5 is provided with a measuring ring 4 perpendicular to the first threaded rod 3, i.e. the plane of the measuring ring 4 is parallel to the plane of the base 1.
In order to facilitate the measurement ring 4 to be sleeved on the circumferential surface of the cylindrical part to be detected, the measurement ring 4 is of an expandable assembly structure, namely the measurement ring 4 comprises a first semi-ring 4a and a second semi-ring 4b with equal radius, one end of the first semi-ring 4a is arranged on the sliding block 5, and the other end of the first semi-ring 4a is hinged with one end of the second semi-ring 4b through a hinge structure 4c, so that the second semi-ring 4b can rotate around the end part of the hinge end of the first semi-ring 4a to form the measurement ring 4 of a whole circular structure; when forming a whole circle, the end face of the movable end of the second half ring 4b is provided with a key, the end face of the first half ring 4a corresponding to the first half ring 4a is provided with a groove, the movable end of the second half ring 4b is connected with the corresponding end of the first half ring 4a through a key groove structure, a plurality of sensor mounting holes 4d are uniformly formed in the first half ring 4a and the second half ring 4b, at least one group of sensor mounting holes 4d is internally provided with a linear displacement sensor 6, 3 groups of linear displacement sensors 6 are mounted in the embodiment, the included angle between two groups of connecting lines formed by the adjacent two groups of linear displacement sensors 6 and the circle center of the measuring ring 4 is 120 degrees, namely, the arc length intervals of the measuring ring 4 between the 3 groups of linear.
As shown in fig. 4 and 5, an "L" shaped link 401 is disposed at the movable end of the second half ring 4b, a second threaded hole is disposed at the other end of the link 401, a second threaded rod 402 facing the center of the measuring ring 4 is connected to the second threaded hole through a female thread, a pressing block 4022 is disposed at one end of the second threaded rod 402 close to the measuring ring 4, the pressing block 4022 faces the back of the guide rail 2, the pressing block 4022 is disposed to increase the contact area between the second threaded rod 402 and the back of the guide rail 2, and a second knob 4021 is disposed at the other end of the second threaded rod 402 to enable the pressing block 4022 to move toward the center of the measuring ring 4 to press the back of the guide rail 2 by rotating the second knob 4021 to screw in the second threaded rod 402 when the second half ring 4b rotates around the end of the first half ring 4a to form a complete circle, so as to stably fix the second half ring.
The guide rail 2 is provided with scales from bottom to top facing the measuring ring 4 so as to conveniently measure the mounting height of the measuring ring 4 and the height of the detection position of the cylindrical part.
The connecting rod 3a is connected with the through hole on the sliding block 5 in a clearance fit mode, so that the sliding block 5 can only be driven to slide up and down on the guide rail 2 when the connecting rod 3a is rotated.
In order to strengthen the stability of the connection and matching of the measuring ring 4 and the guide rail 2, the sliding block 5 is further provided with a connecting groove 5a, the guide rail 2 is provided with a connecting key 2c, and the connecting groove 5a is matched with the connecting key 2c in a key type mode.
In the experimental model, the first knob 3b is mounted on the first threaded rod 3 by any one of a threaded connection and a welding, and the second knob 4021 is mounted on the second threaded rod 402 by any one of a threaded connection and a welding.
In the actual use process, the distance information measured by the linear displacement sensor 6 is not only the deformation information of the cylindrical part, the linear displacement sensor 6 is connected with the measuring equipment, and the deformation condition of the cylindrical part can be obtained by statistically analyzing the conduction information of the linear displacement sensor 6 by the measuring equipment.
Claims (7)
1. The deformation measuring device for the cylindrical workpiece is characterized by comprising a base (1) and a guide rail (2), wherein the lower end of the guide rail (2) is vertically installed on the base (1), an inner groove (2a) is formed in the guide rail (2), and a sliding block (5) in sliding fit with the inner groove (2a) is arranged in the inner groove (2a) so that the sliding block (5) can slide up and down on the guide rail (2); a first threaded hole (2b) is formed in the upper end face of the guide rail (2), the first threaded hole (2b) is in threaded connection with a first threaded rod (3), a first knob (3b) is arranged at the upper end of the first threaded rod (3), the lower end of the first threaded rod (3) is located in the inner groove (2a), the end of the first threaded rod is provided with a connecting rod (3a) coaxial with the first threaded rod, a through hole is formed in the sliding block (5), the connecting rod (3a) penetrates through the through hole, and a retaining ring (3c) is arranged at the tail end of the connecting rod to prevent the sliding block (5);
the measuring ring (4) which is perpendicular to the first threaded rod (3) is installed on the sliding block (5), a plurality of sensor mounting holes (4d) are evenly formed in the measuring ring (4), and the linear displacement sensors (6) are installed in at least one group of sensor mounting holes (4 d).
2. The apparatus for measuring the deformation of a cylindrical workpiece according to claim 1, wherein: the measuring ring (4) comprises a first half ring (4a) and a second half ring (4b) which have the same radius, one end of the first half ring (4a) is installed on the sliding block (5), the other end of the first half ring (4a) is hinged with one end of the second half ring (4b) so that the second half ring (4b) can rotate around the end part of the hinged end of the first half ring (4a) to form the measuring ring (4) with a full-circle structure, and the movable end face of the second half ring (4b) is connected with the first half ring (4a) through a key groove structure.
3. The apparatus for measuring the deformation of a cylindrical workpiece according to claim 2, wherein: the movable end of the second half ring (4b) is provided with an L-shaped connecting rod (401), a second threaded hole is formed in the connecting rod (401), a second threaded rod (402) facing the circle center of the measuring ring (4) is in threaded connection with the second threaded rod in the second threaded hole, one end, close to the measuring ring (4), of the second threaded rod (402) is provided with an extrusion block (4022), and the other end of the second threaded rod (402) is provided with a second knob (4021) so that when the second half ring (4b) rotates around the end of the hinged end of the first half ring (4a) to form a whole circle, the second threaded rod (402) is screwed in by rotating the second knob (4021) to enable the extrusion block (4022) to extrude the guide rail.
4. The apparatus for measuring the deformation of a cylindrical workpiece according to claim 1, wherein: scales are arranged on the guide rail (2).
5. The apparatus for measuring the deformation of a cylindrical workpiece according to claim 1, wherein: the connecting rod (3a) is connected with the through hole on the sliding block (5) in a clearance fit manner.
6. The apparatus for measuring the deformation of a cylindrical workpiece according to claim 1, wherein: the slider (5) is further provided with a connecting groove (5a), the guide rail (2) is provided with a connecting key (2c), and the connecting groove (5a) is matched with the connecting key (2c) in a key type mode.
7. The apparatus for measuring the deformation of a cylindrical workpiece according to claim 1, wherein: the first knob (3b) is arranged on the first threaded rod (3) in any one of a threaded connection mode and a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921592848.2U CN210375085U (en) | 2019-09-23 | 2019-09-23 | Deformation measuring device of cylindrical workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921592848.2U CN210375085U (en) | 2019-09-23 | 2019-09-23 | Deformation measuring device of cylindrical workpiece |
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| Publication Number | Publication Date |
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| CN210375085U true CN210375085U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921592848.2U Active CN210375085U (en) | 2019-09-23 | 2019-09-23 | Deformation measuring device of cylindrical workpiece |
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| CN (1) | CN210375085U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033343A (en) * | 2020-09-28 | 2020-12-04 | 中冶赛迪技术研究中心有限公司 | Deformation detection device and deformation detection method for measuring gun rod of robot |
-
2019
- 2019-09-23 CN CN201921592848.2U patent/CN210375085U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033343A (en) * | 2020-09-28 | 2020-12-04 | 中冶赛迪技术研究中心有限公司 | Deformation detection device and deformation detection method for measuring gun rod of robot |
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