CN217542672U - Strain gauge positioning device for structural load test - Google Patents
Strain gauge positioning device for structural load test Download PDFInfo
- Publication number
- CN217542672U CN217542672U CN202221602970.5U CN202221602970U CN217542672U CN 217542672 U CN217542672 U CN 217542672U CN 202221602970 U CN202221602970 U CN 202221602970U CN 217542672 U CN217542672 U CN 217542672U
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- Prior art keywords
- foil gage
- connecting seat
- positioning mechanism
- hydraulic cylinder
- plate
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- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 239000011888 foil Substances 0.000 claims abstract description 34
- 238000005452 bending Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a structural load test is with foil gage positioner, it includes foil gage positioning mechanism, two adopt the hinge to connect between the foil gage positioning mechanism, and two the symmetrical setting of foil gage positioning mechanism, it includes: the strain gauge positioning mechanism comprises a connecting seat, a second hydraulic cylinder, a positioning plate, a first hydraulic cylinder and a stress table, wherein the cross section of the connecting seat is provided with a C shape, and the stress table is fixedly arranged on the right side wall of the top of the connecting seat. The utility model discloses the device utilizes two articulated foil gage positioning mechanism to fix a position fixedly to the foil gage mutually, and structure between them is the same, and rotates between locating plate among the foil gage positioning mechanism and the stress platform to be connected, can carry out self-adaptation rotation regulation according to the test road conditions that has the radian for the foil gage is not influenced by bending stress, improves foil gage test data's the degree of accuracy.
Description
Technical Field
The utility model particularly relates to a foil gage positioner technical field specifically is a foil gage positioner is used in structural load test.
Background
The coupler is mainly used for coupling locomotives and vehicles or between vehicles, transmitting traction force and impact force and keeping vehicle parts at a certain distance between the vehicles, and plays an important role in connection in the application of heavy-duty freight trains, so that strain gauges are required to be adopted for carrying out regular stress data test on the coupler.
At present, the strain gauge is firstly pasted on the surface of a car coupler, then the strain generated when the car coupler is stressed is converted into an electric signal, the stress of the car coupler is evaluated by measuring the size of the electric signal, however, when a car body is bent, the bending stress exists between the car coupler and the car body, the strain gauge body is easily damaged, and thus, the data tested by the strain gauge generate large errors.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a structure load test is with the problem of proposing in order to solve above-mentioned background art with the foil gage positioner.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a structure is foil gage positioner for load test, its includes foil gage positioning mechanism, two adopt the hinge to connect between the foil gage positioning mechanism, and two the symmetrical setting of foil gage positioning mechanism, it includes: the strain gauge positioning mechanism comprises a connecting seat, a second hydraulic cylinder, a positioning plate, a first hydraulic cylinder and a stress table, wherein the section of the connecting seat is C-shaped, the right side wall of the top of the connecting seat is fixedly provided with the stress table, the top end face of the stress table is fixedly connected with the rear end of the second hydraulic cylinder, the front end of the second hydraulic cylinder penetrates through and extends into an inner cavity of a fixing seat, and then is fixedly connected with a rotating block, the rotating block is rotatably installed in the inner cavity of the fixing seat in a matching manner, and the fixing seat is fixedly installed on the bottom end face of the positioning plate;
the clamping device is characterized in that a hinged plate is fixedly arranged on the right side wall of the positioning plate, a mounting seat is fixedly arranged on the top end face of the right portion of the positioning plate, a first hydraulic cylinder is fixedly arranged on the mounting seat, and a clamping piece device is fixedly arranged at the front end of the first hydraulic cylinder.
Further, as preferred, the top fixedly connected with spliced pole of commentaries on classics piece one end, the other end of spliced pole passes fixing base, locating plate and change in proper order to with locking piece fixed connection, the change is located between locating plate and the locking piece.
Further, preferably, the inner bore diameter of the swivel is the same as the outer diameter of the connecting column.
Further, as preferred, the bottom of connecting seat is provided with locking mechanism, locking mechanism includes wire rope, threaded rod and lock nut, wire rope's one end fixed connection be in on the connecting seat top face, wire rope's the bottom of other end fixedly connected with threaded rod, the top of threaded rod passes the bottom plate of connecting seat and with lock nut threaded connection.
Further, as preferred, two the one end that hinged plate is close to is fixed with second ear handle and first ear handle respectively, just adopt the round pin axle to carry out the hinge connection between second ear handle and the first ear handle.
The utility model adopts the above technique, compare with current technique and have following beneficial effect: the utility model discloses the device utilizes two articulated foil gage positioning mechanism to fix a position fixedly to the foil gage mutually, and structure between them is the same, and rotates between locating plate among the foil gage positioning mechanism and the stress platform to be connected, can carry out self-adaptation rotation regulation according to the test road conditions that has the radian for the foil gage is not influenced by bending stress, improves foil gage test data's the degree of accuracy.
Drawings
FIG. 1 is a schematic front view of a strain gage positioning device for a structural load test;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of the installation between a positioning plate and a stress table in a strain gage positioning device for structural load testing;
FIG. 4 is a left side view of the locking mechanism of the strain gage positioning device for structural load testing.
In the figure: 1. positioning a plate; 2. a mounting seat; 3. a hinge plate; 4. a clip device; 5. a first hydraulic cylinder; 6. a stress stage; 7. a locking mechanism; 701. a wire rope; 702. a threaded rod; 703. locking the nut; 8. a connecting seat; 9. a second hydraulic cylinder; 10. a first ear stem; 11. a second ear stem; 12. a locking block; 13. connecting columns; 14. rotating the ring; 15. rotating the block; 16. a fixed seat.
Detailed Description
With reference to the drawings in the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be described clearly and completely below.
The embodiment is as follows: referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a structure is foil gage positioner for load test, its includes foil gage positioning mechanism, adopts the hinge to connect between two foil gage positioning mechanism, and two symmetrical settings of foil gage positioning mechanism, and it includes: the strain gauge positioning mechanism comprises a connecting seat 8, a second hydraulic cylinder 9, a positioning plate 1, a first hydraulic cylinder 5 and a stress platform 6, wherein the section of the connecting seat 8 is C-shaped, the right side wall of the top of the connecting seat 8 is fixedly provided with the stress platform 6, the rear end of the second hydraulic cylinder 9 is fixedly connected to the top end face of the stress platform 6, the front end of the second hydraulic cylinder 9 penetrates through and extends into an inner cavity of a fixing seat 16 and then is fixedly connected with a rotating block 15, the rotating block 15 is rotatably installed in the inner cavity of the fixing seat 16 in a matching manner, and the fixing seat 16 is fixedly installed on the bottom end face of the positioning plate 1;
a hinged plate 3 is fixedly arranged on the right side wall of the positioning plate 1, a mounting seat 2 is fixedly arranged on the top end face of the right part of the positioning plate 1, a first hydraulic cylinder 5 is fixedly arranged on the mounting seat 2, and a clamping piece device 4 is fixedly arranged at the front end of the first hydraulic cylinder 5;
the front ends of the first hydraulic cylinder 5 and the second hydraulic cylinder 9 are both hydraulic driving ends.
In this embodiment, the top end of the rotating block 15 is fixedly connected with one end of a connecting column 13, the other end of the connecting column 13 sequentially passes through the fixed seat 16, the positioning plate 1 and the rotating ring 14 and is fixedly connected with the locking block 12, and the rotating ring 14 is located between the positioning plate 1 and the locking block 12;
specifically, the rotary ring 14 is fixed on the top end surface of the positioning plate 1, and the bottom end surface of the locking block 12 is closely attached to the top end surface of the rotary ring 14.
In this embodiment, the inner diameter of the swivel ring 14 is the same as the outer diameter of the connecting column 13.
In this embodiment, a locking mechanism is disposed at the bottom of the connecting seat 8, the locking mechanism includes a steel wire rope 701, a threaded rod 702, and a locking nut 703, one end of the steel wire rope 701 is fixedly connected to the top end face of the connecting seat 8, the other end of the steel wire rope 701 is fixedly connected to the bottom end of the threaded rod 702, and the top end of the threaded rod 702 penetrates through the bottom plate of the connecting seat 8 and is in threaded connection with the locking nut 703.
In this embodiment, a second ear handle 11 and a first ear handle 10 are respectively fixed at the ends of the two hinge plates 3 close to each other, and the second ear handle 11 and the first ear handle 10 are hinged by a pin shaft.
When the concrete implementation, the utility model discloses the device utilizes two articulated foil gage positioning mechanism to fix a position fixedly to the foil gage, and structure between them is the same, and rotates between locating plate among the foil gage positioning mechanism and the stress platform to be connected, can carry out self-adaptation rotation regulation according to the test road conditions that has the radian for the foil gage is not influenced by bending stress, improves the degree of accuracy of foil gage test data.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. The utility model provides a structure is foil gage positioner for load test, its includes foil gage positioning mechanism, two adopt the hinge to connect between the foil gage positioning mechanism, and two the symmetrical setting of foil gage positioning mechanism, its characterized in that, it includes: the strain gauge positioning mechanism comprises a connecting seat (8), a second hydraulic cylinder (9), a positioning plate (1), a first hydraulic cylinder (5) and a stress table (6), wherein the cross section of the connecting seat (8) is provided with a C shape, the right side wall of the top of the connecting seat (8) is fixedly provided with the stress table (6), the top end surface of the stress table (6) is fixedly connected with the rear end of the second hydraulic cylinder (9), the front end of the second hydraulic cylinder (9) penetrates through and extends into an inner cavity of a fixing seat (16), and then is fixedly connected with a rotating block (15), the rotating block (15) is rotatably installed in the inner cavity of the fixing seat (16) in a matching manner, and the fixing seat (16) is fixedly installed on the bottom end surface of the positioning plate (1);
the fixed articulated slab (3) that is provided with on the right side wall of locating plate (1), fixed mount pad (2) that is provided with on the top face of locating plate (1) right part, fixed mounting has first pneumatic cylinder (5) on mount pad (2), the front end fixed mounting of first pneumatic cylinder (5) has clip ware (4).
2. The strain gage positioning device for structural load testing as claimed in claim 1, wherein: the top fixedly connected with one end of spliced pole (13) of commentaries on classics piece (15), the other end of spliced pole (13) passes fixing base (16), locating plate (1) and change (14) in proper order to with locking piece (12) fixed connection, change (14) are located between locating plate (1) and locking piece (12).
3. The strain gage positioning device for structural load testing as claimed in claim 2, wherein: the inner bore diameter of the rotating ring (14) is the same as the outer diameter of the connecting column (13).
4. The strain gage positioning device for structural load testing as claimed in claim 3, wherein: the bottom of connecting seat (8) is provided with locking mechanism, locking mechanism includes wire rope (701), threaded rod (702) and lock nut (703), the one end fixed connection of wire rope (701) is in on connecting seat (8) top face, the bottom of the other end fixedly connected with threaded rod (702) of wire rope (701), the top of threaded rod (702) is passed the bottom plate of connecting seat (8) and with lock nut (703) threaded connection.
5. The strain gage positioning device for structural load testing as claimed in claim 1, wherein: two one end that articulated plate (3) are close to mutually is fixed with second ear handle (11) and first ear handle (10) respectively, just adopt the round pin axle to articulate between second ear handle (11) and first ear handle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221602970.5U CN217542672U (en) | 2022-06-24 | 2022-06-24 | Strain gauge positioning device for structural load test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221602970.5U CN217542672U (en) | 2022-06-24 | 2022-06-24 | Strain gauge positioning device for structural load test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217542672U true CN217542672U (en) | 2022-10-04 |
Family
ID=83421306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221602970.5U Expired - Fee Related CN217542672U (en) | 2022-06-24 | 2022-06-24 | Strain gauge positioning device for structural load test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217542672U (en) |
-
2022
- 2022-06-24 CN CN202221602970.5U patent/CN217542672U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221004 |