CN108673375A - Clamping device for pasting foil gauge on girder structure strain beam - Google Patents
Clamping device for pasting foil gauge on girder structure strain beam Download PDFInfo
- Publication number
- CN108673375A CN108673375A CN201810516616.2A CN201810516616A CN108673375A CN 108673375 A CN108673375 A CN 108673375A CN 201810516616 A CN201810516616 A CN 201810516616A CN 108673375 A CN108673375 A CN 108673375A
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- CN
- China
- Prior art keywords
- bolt
- foil gauge
- shank
- clamping device
- girder structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Clamping device for pasting foil gauge on girder structure strain beam is related to a kind of clamping device for strain gauge adhesion.The gripping apparatus grips power that the present invention solves existing girder structure strain gauge adhesion is difficult to control, and clamp force distribution suffered by foil gauge is more concentrated and complicated, the bulky problem by the equally distributed parallel clamping structure of clamping force.It includes two grip blocks being oppositely arranged and two bolt assemblies that this is bright;The distance between two grip blocks being oppositely arranged, and the foil gauge that the clamping part of two grip blocks being oppositely arranged is used to be clamped on beam type structural strain beam is adjusted in two bolt assemblies.The present invention can be widely applied to clamping and the limited Workpiece clamping of various grasping parts of beam type strain gauge adhesion.
Description
Technical field
The present invention relates to a kind of clamping devices for strain gauge adhesion.
Background technology
Joint of mechanical arm is usually stained with foil gauge for detecting joint moment, and the quality of strain gauge adhesion directly affects
The precision of joint of mechanical arm, usually pinned with hand to make foil gauge preferably be fitted in workpiece surface, after applying glue or with folder
Sub-folder is lived, but often faces problems with:In the limited place in some spaces, such as girder structure strain gauge adhesion, can borrow
It helps the power that clip applies limited, is more difficult to touch with hand, chucking power is difficult to control, and clamp force distribution suffered by foil gauge more collects
In.It can ensure that clamping force suffered by foil gauge is uniformly distributed using parallel folder, but parallel folder is often complicated, volume is big, makes
With inconvenience.
Invention content
The present invention is difficult to control to solve the gripping apparatus grips power of existing girder structure strain gauge adhesion, foil gauge
Suffered clamp force distribution is more concentrated and complicated, the bulky problem by the equally distributed parallel clamping structure of clamping force, the present invention
Provide a kind of clamping device for pasting foil gauge on girder structure strain beam.
Clamping device for pasting foil gauge on girder structure strain beam, including two 1 Hes of grip block being oppositely arranged
Two bolt assemblies 2;
The distance between two grip blocks 1 being oppositely arranged, and two clampings being oppositely arranged are adjusted in two bolt assemblies 2
The foil gauge that the clamping part 1-1 of plate 1 is used to be clamped on beam type structural strain beam 3.
Preferably, each bolt assembly 2 includes a shank of bolt 2-1, a big nut 2-2 and a primary nut
2-3;
Shank of bolt 2-1 includes two sections of thread segment 2-1-1, and is optical axis section 2-1-2 between two sections of thread segment 2-1-1;
Two bolt assemblies 2 run through two grip blocks 1 being oppositely arranged, wherein the screw head of first shank of bolt 2-1 with
First grip block 1 is fastened between big nut 2-2 thereon, between the screw head of second shank of bolt 2-1 and big nut 2-2 thereon
It is fastened with second grip block 1;
It is extruded with spring 4 between the primary nut 2-3 and second grip block 1 of the tail portion set rotation of first shank of bolt 2-1;
It is extruded with spring 4 between the primary nut 2-3 and first grip block 1 of the tail portion set rotation of second shank of bolt 2-1;
Optical axis section 2-1-2 on first shank of bolt 2-1 can be relative to second 1 left and right movement of grip block;
Optical axis section 2-1-2 on second shank of bolt 2-1 can be relative to first 1 left and right movement of grip block.
Preferably, the clamping part 1-1 is rectangular flat structure.
Preferably, the tail portion of each shank of bolt 2-1 is equipped with detachable pressing board 5.
Preferably, the press surface of detachable pressing board 5 is equipped with recessed portion, is used to hold finger in recessed portion.
Preferably, the grip block 1, which is adopted, is made of a steel.
Preferably, the medial surface of the clamping part 1-1 is equipped with rubber pad.
The advantageous effect that the present invention is brought is that the function of parallel clamping can be achieved in the present invention, makes caught workpiece uniform force.
Have the function of adjustable clamp holding force size, it is easy to adjust.Service life is long, it is only necessary to which replacing spring can restore as before.Volume
Small, light weight is interior in a limited space still to ensure clamping force, can be widely applied to the clamping of beam type strain gauge adhesion
And the various limited Workpiece clampings of grasping part.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention for pasting the clamping device of foil gauge on girder structure strain beam;
Fig. 2 be Fig. 1 in two shank of bolt 2-1 tail portion be squeezed state when state diagram;
Fig. 3 is state diagram when increasing the chucking power of grip block 1 in Fig. 1;
Fig. 4 is the structural schematic diagram of shank of bolt 2-1.
Specific implementation mode
Specific implementation mode one:Illustrate present embodiment referring to Fig. 1, is answered described in present embodiment for pasting girder structure
Become the clamping device of foil gauge on beam, including two grip blocks 1 being oppositely arranged and two bolt assemblies 2;
The distance between two grip blocks 1 being oppositely arranged, and two clampings being oppositely arranged are adjusted in two bolt assemblies 2
The foil gauge that the clamping part 1-1 of plate 1 is used to be clamped on beam type structural strain beam 3.
The function of parallel clamping can be achieved in present embodiment, the present invention, makes caught workpiece uniform force.
Specific implementation mode two:Illustrate present embodiment, present embodiment and specific implementation mode one referring to Fig. 1 to Fig. 4
Difference lies in each bolt assembly 2 is wrapped the clamping device for pasting foil gauge on girder structure strain beam
Include a shank of bolt 2-1, a big nut 2-2 and a primary nut 2-3;
Shank of bolt 2-1 includes two sections of thread segment 2-1-1, and is optical axis section 2-1-2 between two sections of thread segment 2-1-1;
Two bolt assemblies 2 run through two grip blocks 1 being oppositely arranged, wherein the screw head of first shank of bolt 2-1 with
First grip block 1 is fastened between big nut 2-2 thereon, between the screw head of second shank of bolt 2-1 and big nut 2-2 thereon
It is fastened with second grip block 1;
It is extruded with spring 4 between the primary nut 2-3 and second grip block 1 of the tail portion set rotation of first shank of bolt 2-1;
It is extruded with spring 4 between the primary nut 2-3 and first grip block 1 of the tail portion set rotation of second shank of bolt 2-1;
Optical axis section 2-1-2 on first shank of bolt 2-1 can be relative to second 1 left and right movement of grip block;
Optical axis section 2-1-2 on second shank of bolt 2-1 can be relative to first 1 left and right movement of grip block.
Present embodiment presses the tail portion of two shank of bolt 2-1 with hand during use, and two grip blocks 1 are mutual
Far from after, clamping device is inserted on the strain beam of workpiece, due to the effect of 4 elastic force of spring after release hand, two grip blocks 1 will
Can be close to each other, and foil gauge is clamped.
Clearance fit on the optical axis section 2-1-2 and grip block 1 of two shank of bolt 2-1 between through-hole, plays guide rail
Effect, makes the shank of bolt 2-1 of clamping device can only be axially displaced, rotation or the play in other directions will not occur.
Grip block 1 and shank of bolt 2-1 are relatively fixed by the bolt of the major thread section corresponding to big nut 2-2, but are not had
It is directly prepared into an entirety, does so easy to process, saving material.
By the position of two primary nut 2-3 of adjusting or the spring 4 of the different line footpaths of replacement, spring 4 can be made to generate not
With the elastic force of size, to cope with the demand of different occasions.
Clamping device of the present invention has the function of adjustable clamp holding force size, easy to adjust.Service life is long, it is only necessary to
Replacing spring 4 can restore as before.Small, light weight is interior in a limited space still to ensure clamping force.
In present embodiment, the diameter of thread of the thread segment 2-1-1 corresponding to big nut 2-2 is right more than primary nut 2-3 institutes
The diameter of thread of the thread segment 2-1-1 answered.
Specific implementation mode three:Illustrate present embodiment, present embodiment and specific implementation mode one referring to Fig. 1 to Fig. 4
Or difference lies in the clamping part 1-1 is the clamping device for pasting foil gauge on girder structure strain beam described in two
Rectangular flat structure.
Specific implementation mode four:Illustrate present embodiment, present embodiment and specific implementation mode two referring to Fig. 1 to Fig. 4
Difference lies in the tail portions of each shank of bolt 2-1 for the clamping device for pasting foil gauge on girder structure strain beam
Equipped with detachable pressing board 5.
Present embodiment, the tail portion of each shank of bolt 2-1 are equipped with the set-up mode of detachable pressing board 5, increase finger by
Power area, convenient for squeezing the tail portions shank of bolt 2-1.
Specific implementation mode five:Illustrate present embodiment, present embodiment and specific implementation mode four referring to Fig. 1 to Fig. 4
Difference lies in the press surfaces of detachable pressing board 5 for the clamping device for pasting foil gauge on girder structure strain beam
It is equipped with recessed portion, is used to hold finger in recessed portion.
In present embodiment, the set-up mode of recessed portion avoids finger from being slid from pressing board 5, limits the position of finger, just
It is squeezed in two tail portions shank of bolt 2-1.
Specific implementation mode six:Illustrate present embodiment, present embodiment and specific implementation mode one referring to Fig. 1 to Fig. 4
Difference lies in the grip block 1 uses steel to the clamping device for pasting foil gauge on girder structure strain beam
At.
In present embodiment, the grip block 1, which is adopted, to be made of a steel to ensure to have higher crushing strength.
Specific implementation mode seven:Illustrate present embodiment, present embodiment and specific implementation mode one referring to Fig. 1 to Fig. 4
Difference lies in the insides of the clamping part 1-1 for the clamping device for pasting foil gauge on girder structure strain beam
Face is equipped with rubber pad.
In present embodiment, rubber pad plays the role of protecting foil gauge and makes stress distribution evenly.
Structure of the present invention for pasting the clamping device of foil gauge on girder structure strain beam is not limited to above-mentioned
Concrete structure recorded in each embodiment can also be the reasonable combination of the technical characteristic recorded in the respective embodiments described above.
Claims (7)
1. the clamping device for pasting foil gauge on girder structure strain beam, which is characterized in that be oppositely arranged including two
Grip block (1) and two bolt assemblies (2);
The distance between two grip blocks (1) being oppositely arranged, and two clampings being oppositely arranged are adjusted in two bolt assemblies (2)
The foil gauge that the clamping part (1-1) of plate (1) is used to be clamped on beam type structural strain beam (3).
2. the clamping device according to claim 1 for pasting foil gauge on girder structure strain beam, which is characterized in that
Each bolt assembly (2) includes a shank of bolt (2-1), a big nut (2-2) and a primary nut (2-3);
Shank of bolt (2-1) includes two sections of thread segments (2-1-1), and is optical axis section (2-1-2) between two sections of thread segments (2-1-1);
Two bolt assemblies (2) run through two grip blocks (1) being oppositely arranged, wherein the screw head of first shank of bolt (2-1)
It is fastened with first grip block (1) between big nut (2-2) thereon, the screw head of second shank of bolt (2-1) is big with thereon
Second grip block (1) is fastened between nut (2-2);
It is extruded with spring (4) between the primary nut (2-3) and second grip block (1) of the tail portion set rotation of first shank of bolt (2-1);
It is extruded with spring (4) between the primary nut (2-3) and first grip block (1) of the tail portion set rotation of second shank of bolt (2-1);
Optical axis section (2-1-2) on first shank of bolt (2-1) can be relative to second left and right movement of grip block (1);
Optical axis section (2-1-2) on second shank of bolt (2-1) can be relative to first left and right movement of grip block (1).
3. the clamping device according to claim 1 or 2 for pasting foil gauge on girder structure strain beam, feature exists
In the clamping part (1-1) is rectangular flat structure.
4. the clamping device according to claim 2 for pasting foil gauge on girder structure strain beam, which is characterized in that
The tail portion of each shank of bolt (2-1) is equipped with detachable pressing board (5).
5. the clamping device according to claim 4 for pasting foil gauge on girder structure strain beam, which is characterized in that
The press surface of detachable pressing board (5) is equipped with recessed portion, is used to hold finger in recessed portion.
6. the clamping device according to claim 1 for pasting foil gauge on girder structure strain beam, which is characterized in that
The grip block (1), which is adopted, to be made of a steel.
7. the clamping device according to claim 1 for pasting foil gauge on girder structure strain beam, which is characterized in that
The medial surface of the clamping part (1-1) is equipped with rubber pad.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810516616.2A CN108673375A (en) | 2018-05-25 | 2018-05-25 | Clamping device for pasting foil gauge on girder structure strain beam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810516616.2A CN108673375A (en) | 2018-05-25 | 2018-05-25 | Clamping device for pasting foil gauge on girder structure strain beam |
Publications (1)
Publication Number | Publication Date |
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CN108673375A true CN108673375A (en) | 2018-10-19 |
Family
ID=63808189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810516616.2A Pending CN108673375A (en) | 2018-05-25 | 2018-05-25 | Clamping device for pasting foil gauge on girder structure strain beam |
Country Status (1)
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CN (1) | CN108673375A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112485219A (en) * | 2020-11-13 | 2021-03-12 | 桂林航天工业学院 | Sensor for detecting liquid based on terahertz technology |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000346724A (en) * | 1999-06-07 | 2000-12-15 | Mitsubishi Heavy Ind Ltd | Strain gauge retainer and clamp for bonding strain gauge |
CN2488046Y (en) * | 2001-07-17 | 2002-04-24 | 西南交通大学 | Strain sensor |
CN107152865A (en) * | 2016-03-03 | 2017-09-12 | 南京师范大学 | The clamping means and grip device of a kind of vacuum freeze drying aqueous solution depickling books |
CN206951251U (en) * | 2017-07-06 | 2018-02-02 | 重庆斯德姆生物技术有限公司 | A kind of new Blood plasma-separating clip |
-
2018
- 2018-05-25 CN CN201810516616.2A patent/CN108673375A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000346724A (en) * | 1999-06-07 | 2000-12-15 | Mitsubishi Heavy Ind Ltd | Strain gauge retainer and clamp for bonding strain gauge |
CN2488046Y (en) * | 2001-07-17 | 2002-04-24 | 西南交通大学 | Strain sensor |
CN107152865A (en) * | 2016-03-03 | 2017-09-12 | 南京师范大学 | The clamping means and grip device of a kind of vacuum freeze drying aqueous solution depickling books |
CN206951251U (en) * | 2017-07-06 | 2018-02-02 | 重庆斯德姆生物技术有限公司 | A kind of new Blood plasma-separating clip |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112485219A (en) * | 2020-11-13 | 2021-03-12 | 桂林航天工业学院 | Sensor for detecting liquid based on terahertz technology |
CN112485219B (en) * | 2020-11-13 | 2023-09-15 | 桂林航天工业学院 | Sensor for detecting liquid based on terahertz technology |
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PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
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RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181019 |
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RJ01 | Rejection of invention patent application after publication |