CN217954158U - Low-cycle reciprocating loading test device - Google Patents
Low-cycle reciprocating loading test device Download PDFInfo
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- CN217954158U CN217954158U CN202220937988.4U CN202220937988U CN217954158U CN 217954158 U CN217954158 U CN 217954158U CN 202220937988 U CN202220937988 U CN 202220937988U CN 217954158 U CN217954158 U CN 217954158U
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Abstract
The utility model discloses a low week load test device that reciprocates, include: the base frame component can bear a test piece and is hinged with one end of the test piece; the actuator is arranged on the base frame assembly and connected with the loading beam, the actuator can drive the loading beam to move, and the loading beam is hinged with the other end of the test piece; the roller is arranged between the test piece and the pedestal component in a rolling mode, the roller is located on the side of the moving track of the loading beam, and the surface of the roller can be at least matched with one of the test piece and the pedestal component in a rolling mode. The embodiment of the utility model provides a be provided with the gyro wheel, the gyro wheel is located between test piece and the bed frame subassembly, can produce the swing on the certain degree by relative bed frame subassembly when the test piece is exerted load, the surface of gyro wheel can at least with one of test piece and bed frame subassembly roll cooperation to make the bed frame subassembly can provide the holding power of side direction for the test piece, and can reduce the frictional force between bed frame subassembly and test piece.
Description
Technical Field
The utility model relates to a structural test field, in particular to low week loading test device that reciprocates.
Background
The low-cycle reciprocating loading test is a test for loading a load on a test piece to observe the cracking and breaking states of a structure, and is one of the test means which are widely applied at present.
In a low-cycle reciprocating loading test, the rigidity inside the plane of a test piece is very high, and the rigidity outside the plane is usually low, so that the stability outside the plane of the test piece is greatly reduced, and the accuracy of the test can be influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a low week load test device that reciprocates can improve experimental accuracy, saves engineering cost.
According to the utility model discloses low week load test device that reciprocates, include: the base frame assembly can bear a test piece, and is hinged with one end of the test piece; the actuator is arranged on the pedestal assembly and connected with a loading beam, the actuator can drive the loading beam to move, and the loading beam is hinged with the other end of the test piece; the roller is arranged between the test piece and the pedestal component in a rolling mode, the roller is located on the side of the moving track of the loading beam, and the surface of the roller can be matched with at least one of the test piece and the pedestal component in a rolling mode.
The method has the following beneficial effects:
when the actuator controls the loading beam to move, the loading beam can drive the test piece to swing so as to achieve the purpose of low-cycle reciprocating loading test, and in the process that the test piece is loaded with a load, if the outer side (namely, the side of the moving track of the loading beam) of the test piece is not supported, the stability of the test piece can be influenced, and further the accuracy of a test result can be influenced. Under the condition that does not increase test piece cross sectional dimension, the embodiment of the utility model provides a be provided with the gyro wheel, the gyro wheel is located between test piece and the bed frame subassembly, can produce the swing on the certain degree relatively the bed frame subassembly when the test piece is exerted load, the surface of gyro wheel can at least with one of test piece and bed frame subassembly roll cooperation to make the bed frame subassembly can provide the lateral holding power for the test piece, and can reduce the frictional force between bed frame subassembly and test piece.
According to the utility model discloses a some embodiments, bed frame subassembly includes the grade beam, the grade beam is installed in ground and is provided with down the otic placode, the load beam is provided with the otic placode, down the otic placode with the lower extreme of test piece is articulated, go up the otic placode with the upper end of test piece is articulated.
According to some embodiments of the utility model, go up the otic placode with down the otic placode all through the round pin axle with the test piece is articulated.
According to some embodiments of the utility model, the both ends difference level of grade beam is provided with presses the roof beam, press the roof beam laminate in the upper surface and the perpendicular to of grade beam the length direction of grade beam, the both ends of pressing the roof beam are passed through the draw-in groove bolt and are connected with ground.
According to some embodiments of the utility model, the bed frame subassembly includes the counterforce wall, two sides that the counterforce wall is relative are vertical plane and inclined plane respectively, the actuator install in the counterforce wall on the vertical plane and with vertical plane is mutually perpendicular.
According to some embodiments of the utility model, the load beam level sets up, the actuator can drive the load beam is followed the length direction of load beam removes, the bed frame subassembly includes short girder steel and long girder steel, long girder steel with the load beam syntropy sets up, short girder steel overlap joint in on the long girder steel and with long girder steel mutually perpendicular, the both sides of test piece all are provided with long girder steel with the gyro wheel, the surface of gyro wheel can with long girder steel is close to the surface roll cooperation of test piece one side.
According to the utility model discloses a some embodiments still include the support, the gyro wheel rotate install in on the support, the support configuration is in through magnet adsorption in on the test piece.
According to some embodiments of the utility model, still including install in support the piece on the bed frame subassembly, support the piece and can follow the extending direction of short girder steel supports the side of long girder steel.
According to the utility model discloses a some embodiments, the both ends of short girder steel all are provided with the rigidity portal, the vertical setting of rigidity portal and lower extreme are installed in ground.
According to some embodiments of the invention, the actuator and the load beam are detachably connected by a bolt.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention will be further described with reference to the following drawings and examples, in which:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic side view of an embodiment of the present invention;
fig. 3 is a partially enlarged structural diagram of a portion a in fig. 2.
Reference numerals:
the device comprises a pedestal assembly 100, a ground beam 110, a lower lug plate 111, a pressure beam 120, a slot bolt 121, a reaction wall 130, a vertical plane 131, an inclined plane 132, a short steel beam 140, a long steel beam 150 and a rigid door frame 160;
a test piece 200;
a roller 400, a bracket 410, and a magnet 420;
a pin 500;
the abutting member 600.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 3, the utility model discloses a reciprocal load test device in low week is applicable to and tests test piece 200, including pedestal assembly 100, actuator 300 and gyro wheel 400, wherein, actuator 300 is installed on pedestal assembly 100 and is connected with load beam 310, and actuator 300 can drive load beam 310 and remove, and test piece 200's one end is articulated with pedestal assembly 100, and the other end is articulated with load beam 310. When the actuator 300 controls the load beam 310 to move, the load beam 310 may drive the test piece to swing to achieve the purpose of the low-cycle reciprocating load test, and in the process that the test piece 200 is loaded with a load, if the outer side of the test piece 200 (i.e., the side of the moving track of the load beam 310) is not supported, the stability of the test piece 200 may be affected, and thus the accuracy of the test result may be affected. Under the condition that does not increase test piece 200 cross sectional dimension, the embodiment of the utility model provides a be provided with gyro wheel 400, gyro wheel 400 is located between test piece 200 and pedestal assembly 100, can produce the swing on the certain degree relatively pedestal assembly 100 when test piece 200 is exerted load, the surface of gyro wheel 400 can at least with one of test piece 200 and pedestal assembly 100 roll fit to make pedestal assembly 100 can provide the holding power of side direction for test piece 200, and can reduce the frictional force between pedestal assembly 100 and test piece 200.
It is understood that the roller 400 may be disposed on the test piece 200 or on the base assembly 100. When the roller 400 is disposed on the test piece 200, the roller 400 may be in rolling engagement with the surface of the pedestal assembly 100; when the roller 400 is disposed on the base assembly 100, the roller 400 may be in rolling engagement with the surface of the test piece 200. Of course, the roller 400 may be disposed on neither the test piece 200 nor the base assembly 100, in which case the roller 400 may be simultaneously engaged with the test piece 200 and the base assembly 100.
Referring to fig. 1 and 2, the pedestal assembly 100 according to the embodiment of the present invention includes a ground beam 110, the ground beam 110 is installed on the ground, and the pedestal assembly 100 can be better fixed by the connection between the ground beam 110 and the ground. Specifically, the ground beam 110 is provided with a lower ear plate 111, the load beam 310 is provided with an upper ear plate 311, and the upper end and the lower end of the test piece 200 are respectively hinged with the upper ear plate 311 and the lower ear plate 111. The test piece 200 can be conveniently installed by arranging the upper lug plate 311 and the lower lug plate 111, and the test efficiency can be improved.
It can be appreciated that, referring to fig. 1 and 2, the upper ear plate 311 and the lower ear plate 111 can be hinged to the test piece 200 by the pin 500, which can further increase the efficiency of mounting the test piece 200 to the pedestal assembly 100 and the load beam 310.
As shown in fig. 1 and fig. 2, the two ends of the ground beam 110 are respectively provided with the pressing beam 120, wherein the pressing beam 120 is attached to the upper surface of the ground beam 110 and perpendicular to the length direction of the ground beam 110, i.e. the length direction of the pressing beam 120 is perpendicular to the length direction of the ground beam 110, the two ends of the pressing beam 120 extend out of the two sides of the ground beam 110, the pressing beam 120 can be connected with the ground through the slot bolt 121, and the slot bolt 121 can be disposed at the two ends of the pressing beam 120. The pressing beam 120 may achieve a reliable fixation of the ground beam 110 to prevent the ground beam 110 from jumping during the reciprocating movement of the test piece 200.
It should be noted that, referring to fig. 1, the pedestal assembly 100 according to the embodiment of the present invention further includes the reaction wall 130, the actuator 300 may be installed on the reaction wall 130, two opposite sides of the reaction wall 130 are the vertical plane 131 and the inclined plane 132 respectively, that is, the cross-sectional shape of the reaction wall 130 in the vertical direction is a right trapezoid, the center of gravity of the reaction wall 130 is lower, and the reaction wall 130 is more stable, and further the reaction wall 130 can bear a larger reaction force. The actuator 300 may be installed on the vertical plane 131 of the reaction wall 130 and disposed perpendicular to the vertical plane 131. The height of the actuator 300 can be adjusted by the electro-hydraulic servo program control structure test system with a chain, so that the actuator 300 and the loading beam 310 are positioned on the same height plane.
The load beam 310 of the embodiment of the present invention may be horizontally disposed, and the actuator 300 may drive the load beam 310 to move along the length direction of the load beam 310 itself, so as to apply a load to the test piece 200. The pedestal assembly 100 further includes a short steel beam 140 and a long steel beam 150, wherein the long steel beam 150 is disposed in the same direction as the load beam 310, i.e., the long steel beam 150 is parallel to the load beam 310, and the short steel beam 140 is overlapped to the long steel beam 150 and perpendicular to the long steel beam 150. The long steel beam 150 and the roller 400 may be disposed on both sides of the test piece 200, so that both sides of the test piece 200 may obtain a lateral supporting force, and specifically, the surface of the roller 400 may be in rolling engagement with the surface of the long steel beam 150 near the test piece 200. In the initial state, the axis of the roller 400 may be vertically disposed.
As shown in fig. 3, the testing apparatus of the embodiment of the present invention further includes a bracket 410 for mounting the roller 400, the roller 400 is rotatably mounted on the bracket 410, and the bracket 410 is provided with a magnet 420 and can be attached to the test piece 200 or the base frame assembly 100 through the magnet 420. In the embodiment of fig. 1 to 3, two sides of the magnet 420 are respectively attached to the bracket 410 and the test piece 200, so as to dispose the roller 400 on the test piece 200, and the position of the roller 400 can be conveniently adjusted by disposing the magnet 420, and the roller 400 and the test piece 200 can be mounted without destroying the structure of the test piece 200. The magnet 420 may be a double-sided ferromagnetic patch, such as a neodymium iron boron double-sided ferromagnetic patch.
It should be noted that the long steel beam 150 may be disposed on the upper surface of the short steel beam 140, and the long steel beam 150 may be fixedly connected to the short steel beam 140, or the long steel beam 150 may be disposed only on the short steel beam 140 without being fixedly connected to the short steel beam 140. When the long steel beam 150 is not fixedly connected to the short steel beam 140, the abutting member 600 may be mounted on the base frame assembly 100, and the abutting member 600 may be configured to abut against a side surface of the long steel beam 150 along an extending direction of the short steel beam (i.e., a direction perpendicular to the load beam 310 or the long steel beam 150 in the horizontal direction), so as to urge the long steel beam 150 to press against the surface of the roller 400, thereby providing a more reliable supporting force for the side surface of the test piece 200. It is understood that the bunding member 600 may be symmetrically arranged on both sides of the test piece 200. It should be noted that the abutting member 600 may be a jack, or may be a bolt or other structure capable of adjusting the abutting position and force.
Referring to fig. 1, the both ends of the short steel beam 140 in the embodiment of the present invention are further provided with the rigid gantries 160, the rigid gantries 160 may be vertically arranged and installed on the ground, and the rigid gantries 160 may further increase the stability of the pedestal assembly 100. Specifically, one end of the abutting member 600 may be mounted on the rigid door frame 160, so that the other end of the abutting member 600 may abut against the long steel beam 150.
As shown in fig. 1, the actuator 300 according to the embodiment of the present invention may be connected to the load beam 310 by a bolt, so as to detach the load beam 310.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (10)
1. A low cycle reciprocating loading test device, comprising:
the base frame assembly can bear a test piece and is hinged with one end of the test piece;
the actuator is arranged on the pedestal assembly and connected with a loading beam, the actuator can drive the loading beam to move, and the loading beam is hinged with the other end of the test piece;
the roller is arranged between the test piece and the pedestal assembly in a rolling mode, the roller is located on the side of the moving track of the loading beam, and the surface of the roller can be matched with at least one of the test piece and the pedestal assembly in a rolling mode.
2. The low cycle reciprocating loading test device of claim 1, wherein the base frame assembly comprises a ground beam, the ground beam is mounted on the ground and provided with a lower ear plate, the loading beam is provided with an upper ear plate, the lower ear plate is hinged with the lower end of the test piece, and the upper ear plate is hinged with the upper end of the test piece.
3. The low cycle reciprocating loading test device of claim 2, wherein the upper ear plate and the lower ear plate are both hinged to the test piece by a pin.
4. The low-cycle reciprocating loading test device of claim 2, wherein two ends of the ground beam are respectively and horizontally provided with a pressing beam, the pressing beams are attached to the upper surface of the ground beam and perpendicular to the length direction of the ground beam, and two ends of each pressing beam are connected with the ground through clamping groove bolts.
5. The low cycle reciprocating loading test device of claim 1, wherein the base assembly comprises a reaction wall, opposite sides of the reaction wall are a vertical plane and an inclined plane, respectively, and the actuator is mounted on the vertical plane of the reaction wall and perpendicular to the vertical plane.
6. The low cycle reciprocating loading test device of any one of claims 1 to 5, wherein the loading beam is horizontally disposed, the actuator can drive the loading beam to move along the length direction of the loading beam, the base frame assembly comprises a short steel beam and a long steel beam, the long steel beam and the loading beam are arranged in the same direction, the short steel beam is lapped on the long steel beam and is perpendicular to the long steel beam, the long steel beam and the roller are arranged on both sides of the test piece, and the surface of the roller can be in rolling fit with the surface of the long steel beam on the side close to the test piece.
7. The low cycle reciprocating loading test device of claim 6 further comprising a bracket, wherein the roller is rotatably mounted on the bracket, and the bracket is configured to be attracted to the test piece by a magnet.
8. The low cycle reciprocating loading test device of claim 6, further comprising an abutting member mounted on the base frame assembly, wherein the abutting member can abut against the side surface of the long steel beam along the extending direction of the short steel beam.
9. The low cycle reciprocating loading test device of claim 6, wherein rigid gantries are arranged at both ends of the short steel beam, the rigid gantries are arranged vertically, and the lower ends of the rigid gantries are mounted on the ground.
10. The low cycle reciprocating load testing apparatus of any one of claims 1 to 5, wherein the actuator is detachably connected to the load beam by a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220937988.4U CN217954158U (en) | 2022-04-21 | 2022-04-21 | Low-cycle reciprocating loading test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220937988.4U CN217954158U (en) | 2022-04-21 | 2022-04-21 | Low-cycle reciprocating loading test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217954158U true CN217954158U (en) | 2022-12-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220937988.4U Active CN217954158U (en) | 2022-04-21 | 2022-04-21 | Low-cycle reciprocating loading test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217954158U (en) |
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2022
- 2022-04-21 CN CN202220937988.4U patent/CN217954158U/en active Active
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