CN219161812U - Aligning device - Google Patents
Aligning device Download PDFInfo
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- CN219161812U CN219161812U CN202320146384.2U CN202320146384U CN219161812U CN 219161812 U CN219161812 U CN 219161812U CN 202320146384 U CN202320146384 U CN 202320146384U CN 219161812 U CN219161812 U CN 219161812U
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- positioning seat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model relates to the technical field of a centering device of a fatigue testing machine, in particular to a centering device which improves the positioning stability of a chuck connecting rod and the coaxiality adjustment operation convenience of a lower chuck and an upper chuck; the fatigue testing machine comprises a base and a positioning seat, wherein the base is arranged on a fixed surface of the fatigue testing machine, and the bottom end of the positioning seat is fixedly connected with the top end of the base; still include positioner, adjustment seat, chuck connecting rod and multiunit holding screw, the positioning seat top is provided with circular recess, the adjustment seat bottom is provided with circular lug, the circular lug of adjustment seat stretches into in the circular recess of positioning seat, adjustment seat bottom and positioning seat top contact, and be provided with the clearance between circular lug outer edge and the circular recess inside wall, adjustment seat top is provided with the mounting hole, the mounting hole at the adjustment seat is installed to chuck connecting rod lower part, be provided with multiunit through-hole on adjustment seat and the positioning seat, the through-hole spiral shell dress of multiunit holding screw lower part respectively passing adjustment seat and positioning seat is on the base.
Description
Technical Field
The utility model relates to the technical field of a centering device of a fatigue testing machine, in particular to a centering device.
Background
The electronic fatigue testing machine is mainly applied to a non-metal material for a fatigue tensile test, two ends of a tensile sample are required to be firmly fixed on a tensile clamp during the tensile test, the tensile clamp of the fatigue testing machine is divided into an upper clamp and a lower clamp, the coaxiality of the upper clamp and the lower clamp is an important index for examining the performance of the testing machine, the tensile upper clamp is generally rigidly connected with a piston of an electric cylinder into a whole, the tensile lower clamp is connected to a base of the testing machine, the guarantee of the coaxiality of the upper clamp and the lower clamp is generally ensured by the precision of mechanical processing, and a set of aligning device is designed between the lower clamp and the base in order to better ensure the coaxiality of the upper clamp and the lower clamp;
the coaxiality of the upper clamping head and the lower clamping head of the equipment on the market is guaranteed by the equipment precision and the machining precision of the mechanical machining equipment, and in the actual production process, larger accumulated errors possibly occur, and the accumulated errors seriously affect the detection precision of the equipment, so that the aligning device is provided, the coaxiality of the upper clamping head and the lower clamping head can be very conveniently adjusted, and the detection precision of the equipment is improved.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the aligning device which improves the positioning stability of the chuck connecting rod and improves the convenience of coaxiality adjustment operation of the lower chuck and the upper chuck.
The utility model relates to a aligning device, which comprises a base and a positioning seat, wherein the base is arranged on a fixed surface of a fatigue testing machine, and the bottom end of the positioning seat is fixedly connected with the top end of the base; the positioning device comprises a positioning seat, a clamping head connecting rod and a plurality of groups of set screws, wherein the top end of the positioning seat is provided with a circular groove, the bottom end of the positioning seat is provided with a circular protruding block, the circular protruding block of the positioning seat extends into the circular groove of the positioning seat, the bottom end of the positioning seat is in contact with the top end of the positioning seat, a gap is arranged between the outer edge of the circular protruding block and the inner side wall of the circular groove, the top end of the positioning seat is provided with a mounting hole, the lower part of the clamping head connecting rod is mounted in the mounting hole of the positioning seat, the positioning seat and the positioning seat are provided with a plurality of groups of through holes, the lower parts of the plurality of groups of set screws respectively penetrate through the through holes of the positioning seat and are screwed on a base, the positioning device is mounted on the outer side wall of the positioning seat, and the positioning device is used for fixing the position of the positioning seat; the positioning seat is fixedly arranged at the top end of the base, the positioning seat cannot move freely relative to the front-back direction and the left-right direction of the base, the lower clamping head is arranged at the top end of the clamping head connecting rod, the adjusting seat is arranged at the top end of the positioning seat, the front-back direction, the left-right direction of the adjusting seat are adjusted by micro-movement, the round protruding block at the bottom end of the adjusting seat moves in the round groove at the top end of the positioning seat, the adjusting seat drives the lower clamping head to move and adjust through the clamping head connecting rod, after the centering of the lower clamping head is completed, the round protruding block at the bottom end of the adjusting seat is fixed through the positioning device, then the plurality of groups of set screws are rotated, the plurality of groups of set screws move downwards after rotating, so that the upper parts of the plurality of sets of set screws press and fix the adjusting seat, the positioning stability of the clamping head connecting rod is improved, and the coaxiality of the lower clamping head and the upper clamping head is improved.
Preferably, the positioning device comprises a plurality of groups of centering adjusting screws, a plurality of groups of threaded holes are circumferentially arranged on the outer side wall of the positioning seat, the plurality of groups of centering adjusting screws are respectively matched and screwed on the plurality of groups of threaded holes of the positioning seat, and the rear ends of the plurality of groups of centering adjusting screws extend into the circular grooves of the positioning seat; after the movement and adjustment of the adjusting seat are completed, the plurality of groups of centering adjusting screws are rotated to enable the rear ends of the plurality of groups of centering adjusting screws to be tightly propped against the outer side wall of the round convex block at the bottom end of the adjusting seat, so that the plurality of groups of centering adjusting screws can position the adjusting seat, the positioning firmness of the adjusting seat is improved, and the aligning stability of the device is improved.
Preferably, the clamping head connecting rod further comprises a back nut, an external thread is arranged at the lower part of the outer side wall of the clamping head connecting rod, an internal thread is arranged in a mounting hole at the top end of the adjusting seat, the lower part of the clamping head connecting rod is screwed on the mounting hole of the adjusting seat, the back nut is matched with the lower part of the outer side wall of the clamping head connecting rod, and the bottom end of the back nut is contacted with the top end of the adjusting seat; after the chuck connecting rod is fixed with the adjusting seat, the back nut is screwed on the chuck connecting rod, and the bottom end of the back nut is tightly attached to the top end of the adjusting seat, so that the back nut can fasten the chuck connecting rod, and the installation firmness of the chuck connecting rod is improved.
Preferably, gaps are kept between the plurality of groups of through holes of the adjusting seat and the outer side walls of the plurality of groups of set screws respectively; through keeping the clearance respectively between the multiunit through-hole with the multiunit holding screw lateral wall of adjustment seat, the adjustment seat of being convenient for removes the regulation at the positioning seat top, improves the convenience of adjusting the back through holding screw position fixing of adjustment seat regulation completion.
Preferably, the plurality of sets of centering adjustment screws are arranged in at least three sets; the positioning stability of the plurality of groups of centering adjusting screws to the adjusting seat is improved by circumferentially arranging the plurality of groups of centering adjusting screws on the outer side wall of the positioning seat.
Compared with the prior art, the utility model has the beneficial effects that: the positioning seat is fixedly arranged at the top end of the base, the positioning seat cannot move freely relative to the front-back direction and the left-right direction of the base, the lower clamping head is arranged at the top end of the clamping head connecting rod, the adjusting seat is arranged at the top end of the positioning seat, the front-back direction, the left-right direction of the adjusting seat are adjusted by micro-movement, the round protruding block at the bottom end of the adjusting seat moves in the round groove at the top end of the positioning seat, the adjusting seat drives the lower clamping head to move and adjust through the clamping head connecting rod, after the centering of the lower clamping head is completed, the round protruding block at the bottom end of the adjusting seat is fixed through the positioning device, then the plurality of groups of set screws are rotated, the plurality of groups of set screws move downwards after rotating, so that the upper parts of the plurality of sets of set screws press and fix the adjusting seat, the positioning stability of the clamping head connecting rod is improved, and the coaxiality of the lower clamping head and the upper clamping head is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a partial schematic view of the structure of the positioning seat and the adjusting seat;
FIG. 3 is a schematic view of a partial structure of the connection of the tuning seat to the chuck connecting rod, etc.;
FIG. 4 is a schematic view of a partial structure of the connection of the positioning seat with the centering adjustment screw and the like;
the reference numerals in the drawings: 1. a base; 2. a positioning seat; 3. an adjusting seat; 4. a chuck connecting rod; 5. a set screw; 6. centering the adjusting screw; 7. and (5) tightening the nut.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
As shown in fig. 1 to 4, the aligning device of the utility model comprises a base 1 and a positioning seat 2, wherein the base 1 is arranged on a fixed surface of a fatigue testing machine, and the bottom end of the positioning seat 2 is fixedly connected with the top end of the base 1; the positioning device comprises a positioning seat 2, a positioning seat 3, a chuck connecting rod 4 and a plurality of groups of set screws 5, wherein the top end of the positioning seat 2 is provided with a circular groove, the bottom end of the positioning seat 3 is provided with a circular convex block, the circular convex block of the positioning seat 3 stretches into the circular groove of the positioning seat 2, the bottom end of the positioning seat 3 is in contact with the top end of the positioning seat 2, a gap is arranged between the outer edge of the circular convex block and the inner side wall of the circular groove, the top end of the positioning seat 3 is provided with a mounting hole, the lower part of the chuck connecting rod 4 is mounted in the mounting hole of the positioning seat 3, the positioning seat 2 and the positioning seat 2 are provided with a plurality of groups of through holes, the lower parts of the plurality of groups of set screws 5 respectively penetrate through the through holes of the positioning seat 3 and the positioning seat 2 and are screwed on a base 1, and the positioning device is mounted on the outer side wall of the positioning seat 2 and is used for fixing the position of the positioning seat 3;
as shown in fig. 1, 2 and 4, the positioning device comprises a plurality of groups of centering adjustment screws 6, a plurality of groups of threaded holes are circumferentially arranged on the outer side wall of the positioning seat 2, the plurality of groups of centering adjustment screws 6 are respectively matched and screwed on the plurality of groups of threaded holes of the positioning seat 2, and the rear ends of the plurality of groups of centering adjustment screws 6 extend into the circular grooves of the positioning seat 2;
in this embodiment, the positioning seat 2 is fixedly installed at the top end of the base 1, so that the positioning seat 2 cannot move freely relative to the front-back and left-right directions of the base 1, the lower clamping head is installed at the top end of the clamping head connecting rod 4, then the adjusting seat 3 is installed at the top end of the positioning seat 2, the positioning stability of the clamping head connecting rod 4 is improved by slightly moving and adjusting the adjusting seat 3 forwards, backwards, leftwards and rightwards at the top end of the positioning seat 2, at this moment, the circular protruding block at the bottom end of the adjusting seat 3 moves in the circular groove at the top end of the positioning seat 2, so that the adjusting seat 3 drives the lower clamping head to move and adjust through the clamping head connecting rod 4, after the lower clamping head is centered, the circular protruding block at the bottom end of the adjusting seat 3 is fixed through the positioning device, then the plurality of sets of set screws 5 rotate, and then the plurality of sets of set screws 5 move downwards after rotating, so that the upper parts of the set screws 5 press and fix the adjusting seat 3, and the positioning stability of the clamping head connecting rod 4 are improved, and the convenience of coaxiality adjusting operation of the lower clamping head and the upper clamping head is improved.
Example 2
As shown in fig. 1 to 4, the aligning device of the utility model comprises a base 1 and a positioning seat 2, wherein the base 1 is arranged on a fixed surface of a fatigue testing machine, and the bottom end of the positioning seat 2 is fixedly connected with the top end of the base 1; the positioning device comprises a positioning seat 2, a positioning seat 3, a chuck connecting rod 4 and a plurality of groups of set screws 5, wherein the top end of the positioning seat 2 is provided with a circular groove, the bottom end of the positioning seat 3 is provided with a circular convex block, the circular convex block of the positioning seat 3 stretches into the circular groove of the positioning seat 2, the bottom end of the positioning seat 3 is in contact with the top end of the positioning seat 2, a gap is arranged between the outer edge of the circular convex block and the inner side wall of the circular groove, the top end of the positioning seat 3 is provided with a mounting hole, the lower part of the chuck connecting rod 4 is mounted in the mounting hole of the positioning seat 3, the positioning seat 2 and the positioning seat 2 are provided with a plurality of groups of through holes, the lower parts of the plurality of groups of set screws 5 respectively penetrate through the through holes of the positioning seat 3 and the positioning seat 2 and are screwed on a base 1, and the positioning device is mounted on the outer side wall of the positioning seat 2 and is used for fixing the position of the positioning seat 3;
as shown in fig. 1, 2 and 4, the positioning device comprises a plurality of groups of centering adjustment screws 6, a plurality of groups of threaded holes are circumferentially arranged on the outer side wall of the positioning seat 2, the plurality of groups of centering adjustment screws 6 are respectively matched and screwed on the plurality of groups of threaded holes of the positioning seat 2, and the rear ends of the plurality of groups of centering adjustment screws 6 extend into the circular grooves of the positioning seat 2;
as shown in fig. 1 to 3, the clamping head connecting rod further comprises a back nut 7, wherein external threads are arranged at the lower part of the outer side wall of the clamping head connecting rod 4, internal threads are arranged in a mounting hole at the top end of the adjusting seat 3, the lower part of the clamping head connecting rod 4 is screwed on the mounting hole of the adjusting seat 3, the back nut 7 is matched and screwed at the lower part of the outer side wall of the clamping head connecting rod 4, and the bottom end of the back nut 7 is contacted with the top end of the adjusting seat 3;
as shown in fig. 1 to 3, gaps are respectively kept between the multiple groups of through holes of the adjusting seat 3 and the outer side walls of the multiple groups of set screws 5;
as shown in fig. 1, the plurality of sets of centering adjustment screws 6 are provided in at least three sets;
in this embodiment, after the position of the adjusting seat 3 is moved and adjusted, the plurality of sets of centering adjusting screws 6 are rotated and moved, so that the rear ends of the plurality of sets of centering adjusting screws 6 are all tightly propped against the outer side walls of the circular protruding blocks at the bottom end of the adjusting seat 3, thereby positioning the positions of the adjusting seat 3 by the plurality of sets of centering adjusting screws 6, positioning firmness of the adjusting seat 3 is improved, centering stability of the device is improved, when the chuck connecting rod 4 is fixed with the adjusting seat 3, the back nut 7 is screwed on the chuck connecting rod 4, the bottom end of the back nut 7 is tightly attached to the top end of the adjusting seat 3, thereby fastening the chuck connecting rod 4 by the back nut 7, improving the installation firmness of the chuck connecting rod 4, facilitating the moving adjustment of the adjusting seat 3 at the top end of the positioning seat 2 by keeping gaps between the plurality of sets of through holes of the adjusting seat 3 and the outer side walls of the plurality of sets of setting screws 5, and improving the convenience of position fixing by the setting screws 5 after the adjustment of the adjusting seat 3.
The utility model relates to a centering device, which is characterized in that a positioning seat 2 is fixedly arranged at the top end of a base 1 during operation, so that the positioning seat 2 cannot freely move relative to the front and back and left and right directions of the base 1, a lower chuck is arranged at the top end of a chuck connecting rod 4, an adjusting seat 3 is arranged at the top end of the positioning seat 2, and the adjusting seat 3 is slightly moved and adjusted in the front, back, left and right directions by the top end of the positioning seat 2, at the moment, a circular lug at the bottom end of the adjusting seat 3 moves in a circular groove at the top end of the positioning seat 2, so that the adjusting seat 3 drives the lower chuck to move and adjust through the chuck connecting rod 4, after the centering of the lower chuck is completed, the circular lug at the bottom end of the adjusting seat 3 is fixed through the positioning device, a plurality of sets of set screws 5 are rotated, and the plurality of sets of set screws 5 are moved downwards after being rotated, so that the upper parts of the set screws 5 press and fix the adjusting seat 3.
The main functions realized by the utility model are as follows: after the centering of the lower chuck is finished, the round convex blocks at the bottom end of the adjusting seat 3 are fixed through the positioning device, then the multiple groups of set screws 5 are rotated, and the multiple groups of set screws 5 are moved downwards after rotating, so that the upper parts of the multiple groups of set screws 5 press and fix the adjusting seat 3, the positioning stability of the chuck connecting rod 4 is improved, and the coaxiality adjusting operation convenience of the lower chuck and the upper chuck is improved.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (5)
1. The aligning device comprises a base (1) and a positioning seat (2), wherein the base (1) is arranged on a fixed surface of a fatigue testing machine, and the bottom end of the positioning seat (2) is fixedly connected with the top end of the base (1); the clamping head connecting rod is characterized by further comprising a positioning device, an adjusting seat (3), a clamping head connecting rod (4) and a plurality of groups of set screws (5), wherein the top end of the positioning seat (2) is provided with a circular groove, the bottom end of the adjusting seat (3) is provided with a circular protruding block, the circular protruding block of the adjusting seat (3) stretches into the circular groove of the positioning seat (2), the bottom end of the adjusting seat (3) is in contact with the top end of the positioning seat (2), a gap is formed between the outer edge of the circular protruding block and the inner side wall of the circular groove, the top end of the adjusting seat (3) is provided with a mounting hole, the lower part of the clamping head connecting rod (4) is mounted in the mounting hole of the adjusting seat (3), the lower parts of the plurality of groups of set screws (5) respectively penetrate through the through holes of the adjusting seat (3) and the positioning seat (2) and are screwed on the base (1), and the positioning device is mounted on the outer side wall of the positioning seat (2) and is used for fixing the position of the adjusting seat (3).
2. A centering device as claimed in claim 1, characterized in that the positioning device comprises a plurality of groups of centering adjustment screws (6), a plurality of groups of threaded holes are circumferentially arranged on the outer side wall of the positioning seat (2), the plurality of groups of centering adjustment screws (6) are respectively matched and screwed on the plurality of groups of threaded holes of the positioning seat (2), and the rear ends of the plurality of groups of centering adjustment screws (6) extend into the circular grooves of the positioning seat (2).
3. The aligning device according to claim 1, further comprising a back nut (7), wherein external threads are arranged on the lower portion of the outer side wall of the chuck connecting rod (4), internal threads are arranged in a mounting hole on the top end of the adjusting seat (3), the lower portion of the chuck connecting rod (4) is screwed on the mounting hole of the adjusting seat (3), the back nut (7) is matched with the lower portion of the outer side wall of the chuck connecting rod (4), and the bottom end of the back nut (7) is in contact with the top end of the adjusting seat (3).
4. A centering device as claimed in claim 1, characterized in that the plurality of sets of through holes of the adjusting seat (3) are respectively spaced from the outer side walls of the plurality of sets of set screws (5).
5. A centering device as claimed in claim 2, characterized in that said plurality of sets of centering adjustment screws (6) are provided in at least three sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320146384.2U CN219161812U (en) | 2023-01-29 | 2023-01-29 | Aligning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320146384.2U CN219161812U (en) | 2023-01-29 | 2023-01-29 | Aligning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219161812U true CN219161812U (en) | 2023-06-09 |
Family
ID=86620097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320146384.2U Active CN219161812U (en) | 2023-01-29 | 2023-01-29 | Aligning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219161812U (en) |
-
2023
- 2023-01-29 CN CN202320146384.2U patent/CN219161812U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hao Zhaochun Inventor before: He Zhaochun |
|
| CB03 | Change of inventor or designer information |