CN219064857U - Pendant for pseudo static test and pseudo static test device - Google Patents
Pendant for pseudo static test and pseudo static test device Download PDFInfo
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- CN219064857U CN219064857U CN202223489981.XU CN202223489981U CN219064857U CN 219064857 U CN219064857 U CN 219064857U CN 202223489981 U CN202223489981 U CN 202223489981U CN 219064857 U CN219064857 U CN 219064857U
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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
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Abstract
The utility model discloses a pendant for a pseudo static test and a pseudo static test device, which relate to the technical field of pseudo static tests and comprise the following steps: the device comprises a plurality of pendant bodies and a height adjusting device, wherein each pendant body comprises a supporting plate and two placing grooves, the two placing grooves are fixedly arranged at two ends of the supporting plate, the supporting plate is used for being placed on the top surface of a test piece for a quasi-static experiment, the placing grooves are upwards arranged at two sides of the test piece, and the placing grooves are used for supporting a loading rod to limit the loading rod from sliding downwards; the height adjusting device is arranged at the bottom of the placing groove and is in contact with the bottom of the loading rod, the height of the loading rod can be adjusted and maintained by the height adjusting device, so that the center line of the loading plate fixedly connected with the loading rod and the center line of the test piece are in the same straight line, the structure is simple, the implementation is convenient, and the accuracy of the quasi-static force test is effectively improved.
Description
Technical Field
The utility model relates to the technical field of pseudo static force experiments, in particular to a pendant for a pseudo static force experiment and a pseudo static force experiment device.
Background
About 500 thousands of earthquakes occur each year worldwide, with the average occurring about 18 times each year that can cause severe damage. China is a country with frequent earthquakes, and most areas except individual provinces have stronger destructive earthquakes. In order to reduce or avoid the loss caused by the earthquake, theoretical analysis and experimental research are required to be carried out on the engineering structure, and basis is provided for earthquake fortification and earthquake-proof design of the structure.
The quasi-static test is an important means for researching the shock resistance of the structure, and the stress characteristics and the deformation performance of the structure or the component under the action of the reciprocating load can be obtained by developing the quasi-static test, so that the method is one of the most widely applied methods at present.
The existing quasi-static test is to place loading plates at two ends of a test piece, and four loading rods are arranged between the two loading plates, wherein two ends of each of the four loading rods extend out of the loading plates and are in threaded connection with nuts, the two loading plates can clamp the test piece by rotating the nuts, and the loading plate at one side is connected with a jack and then carries out reciprocating loading; the reciprocating load is usually applied in the horizontal direction, the center line of the test piece is required to be ensured to be on the same straight line in the application process, the existing loading plate is easy to loose nuts in the reciprocating loading process, so that the loading plate cannot clamp the test piece, the loading rod and the loading plate integrally slide down, the loading position of the test piece is changed, and the accuracy of the quasi-static test result is affected.
Disclosure of Invention
The utility model aims to provide a pendant for a pseudo static test and a pseudo static test device, which are used for solving the problems of the prior art, and are simple in structure, convenient to implement and capable of effectively improving the accuracy of the pseudo static test.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model provides a pendant for a pseudo static test, which comprises: the device comprises a plurality of pendant bodies and a height adjusting device, wherein each pendant body comprises a supporting plate and two placing grooves, the two placing grooves are fixedly arranged at two ends of the supporting plate, the openings of the placing grooves face upwards, the supporting plate is used for being placed on the top surface of a test piece for the quasi-static experiment, the openings of the placing grooves face upwards and are arranged at two sides of the test piece, and the placing grooves are used for supporting a loading rod to limit the loading rod from sliding downwards; the height adjusting device is arranged at the bottom of the placing groove and is in contact with the bottom of the loading rod, and the height of the loading rod can be adjusted and kept by the height adjusting device so that the center line of the loading plate fixedly connected with the loading rod and the center line of the test piece are in the same straight line.
Preferably, the placing groove comprises a first vertical plate, a bottom plate and a second vertical plate, wherein the first vertical plate is vertically fixed with the end part of the supporting plate, the bottom plate is vertically fixed with the first vertical plate away from one end of the supporting plate and faces away from the direction of the supporting plate, and the second vertical plate is vertically fixed with the bottom plate away from one end of the first vertical plate and faces towards the direction of the supporting plate.
Preferably, the support plate is welded to the first vertical plate, the first vertical plate is welded to the bottom plate, and the bottom plate is welded to the second vertical plate.
Preferably, the height adjusting device comprises a plurality of bolts, a plurality of threaded holes are formed in the bottom plate, one bolt is in threaded connection with one threaded hole, the top of each bolt is used for being in contact with the loading rod, and the height of the loading rod can be adjusted and maintained by rotating the bolts.
Preferably, one of said height adjustment means comprises two bolts.
Preferably, the bottom of the bolt is provided with a knurled knob.
Preferably, the number of the pendant bodies is two, and the pendant bodies are symmetrically arranged at two ends of the test piece.
The utility model also provides a pseudo static force experimental device, which comprises
Two pendants for pseudo static test as described above, the supporting plate is placed on the top surface of the test piece and the placing grooves are placed on both sides of the test piece with the openings facing upwards;
four loading rods, wherein the two loading rods at the top are placed in the corresponding placing grooves;
the two loading plates are arranged at two ends of the test piece, two ends of each loading rod penetrate through the loading plates and are fixedly connected with the loading plates through nuts, the height adjusting device is adjusted to enable the loading plates to be collinear with the neutral line of the test piece, and the nuts are rotated to enable the two loading plates to clamp the test piece;
the jack is used for being fixedly connected with one loading plate so as to apply horizontal reciprocating load to the test piece.
Compared with the prior art, the utility model has the following technical effects:
the utility model provides a pendant for a quasi-static test and a quasi-static test device, wherein a supporting plate is placed on a test piece, loading rods on two sides of the test piece are placed in placing grooves on two sides of the supporting plate, so that the loading plate and the loading rods which clamp the test piece can be prevented from sliding down, the loading position of the loading plate on the test piece is prevented from being changed, the accuracy of the quasi-static test result is influenced, and a height adjusting device is arranged at the bottom of the placing groove and can adjust the height of the loading rods to enable the center line of the loading plate and the center line of the test piece to be positioned on the same straight line, and therefore the test piece can be used in test pieces with different heights.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an application schematic diagram of a pendant for a pseudo static test provided by the utility model.
Fig. 2 is a schematic structural diagram of a pendant for a pseudo static test according to the present utility model.
In the figure, 1, test piece; 2. a loading rod; 3. a pendant body; 31. a support plate; 32. a placement groove, 33, a first riser; 34. a bottom plate; 35. a second riser; 4. a threaded hole; 5. a bolt; 51. knurled knobs; 6. a load plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a pendant for a pseudo static test and a pseudo static test device, which are used for solving the problems of the prior art, and are simple in structure, convenient to implement and capable of effectively improving the accuracy of the pseudo static test.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Example 1
The present embodiment provides a pendant for a pseudo static test, as shown in fig. 1-2, including: the hanging device comprises a plurality of hanging pieces 3 and a height adjusting device, wherein the hanging pieces 3 comprise a supporting plate 31 and two placing grooves 32, the two placing grooves 32 are fixedly arranged at two ends of the supporting plate 31, openings of the placing grooves 32 face upwards, the supporting plate 31 is used for being placed at the top of a test piece 1 for a quasi-static experiment, the placing grooves 32 are positioned at two sides of the test piece 1, and the placing grooves 32 are used for supporting a loading rod 2 to limit the loading rod 2 from sliding downwards; the height adjusting device is arranged at the bottom of the placing groove 32 and is in contact with the bottom of the loading rod 2, the height of the loading rod 2 can be adjusted and kept by the height adjusting device, so that the center line of the loading plate 6 fixedly connected with the loading rod 2 and the center line of the test piece 1 are positioned on the same straight line, the loading rods 2 at two sides of the test piece 1 are placed in the placing groove 32 at two sides of the supporting plate 31 by placing the supporting plate 31 on the test piece 1, the loading plate 6 and the loading rod 2 clamped on the test piece 1 can be prevented from sliding down, the loading position of the test piece 1 is changed, the accuracy of a pseudo-static test result is affected, and the height adjusting device is arranged at the bottom of the placing groove 32, and can adjust the height of the loading rod 2, so that the center line of the loading plate 6 and the center line of the test piece 1 are positioned on the same straight line, and can be used in the test pieces 1 with different heights.
In a preferred embodiment, the placement groove 32 includes a first riser 33, a bottom plate 34, and a second riser 35, the first riser 33 is vertically fixed to an end of the support plate 31, the bottom plate 34 is vertically fixed to an end of the first riser 33 away from the support plate 31, and faces away from the support plate 31, the second riser 35 is vertically fixed to an end of the bottom plate 34 away from the first riser 33, and faces toward the support plate 31, and the simple structure can fix the loading rod 2 in the placement groove 32.
In a preferred embodiment, the support plate 31 is welded to the first riser 33, the first riser 33 is welded to the bottom plate 34, and the bottom plate 34 is welded to the second riser 35.
In a preferred embodiment, the height adjusting means is a plurality of bolts 5, a plurality of screw holes 4 are provided on the bottom plate 34, the bolts 5 are in threaded connection with the screw holes 4, the tops of the bolts 5 are used for contacting with the loading rod 2, the height of the loading rod 2 can be adjusted and maintained by rotating the bolts 5, the structure is simple, the height of the loading rod 2 can be adjusted by adjusting the bolts 5, and the bolts 5 are convenient to purchase.
In a preferred embodiment, a height adjusting means comprises two bolts 5, and the placement of two bolts 5 in one of the placement grooves 32 enables a more stable support of the loading rod 2.
In a preferred embodiment, the bottom of the bolt 5 is provided with a knurled knob 51 to facilitate rotation of the bolt 5 for height adjustment.
In a preferred embodiment, the number of the pendant bodies 3 is two, and the pendant bodies are symmetrically arranged at two ends of the test piece 1, so that the loading rod 2 and the loading plates 6 at two ends of the loading rod 2 can be supported more stably.
Example two
The embodiment also provides a pseudo static force experimental device, which comprises
Two pendants for pseudo static test as in example one, a supporting plate 31 is placed on the top surface of the test piece 1 with a placing groove 32 facing upwards on both sides of the test piece;
four loading rods 2, the top two loading rods 2 being placed in corresponding placement grooves 32;
the two loading plates 6 are arranged at two ends of the test piece, two ends of each loading rod penetrate through the loading plates 6 and are fixedly connected with the loading plates 6 through nuts, the height adjusting device is adjusted to enable the loading plates 6 to be collinear with the neutral line of the test piece 1, and the bolts are rotated to enable the two loading plates 6 to clamp the test piece 1;
the jack is used for being fixedly connected with a loading plate 6 so as to apply horizontal reciprocating load to the test piece.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (8)
1. A pendant for pseudo static test, its characterized in that: comprising the following steps:
the hanging parts comprise a plurality of hanging parts body, wherein each hanging part body comprises a supporting plate and two placing grooves, the two placing grooves are fixedly arranged at two ends of the supporting plate, the supporting plate is used for being placed on the top surface of the test piece for the pseudo-static force experiment, the placing grooves are upwards arranged at two sides of the test piece, and the placing grooves are used for supporting a loading rod to limit the loading rod from sliding downwards; and
the height adjusting device is arranged at the bottom of the placing groove and is in contact with the bottom of the loading rod, and the height adjusting device can adjust and maintain the height of the loading rod so that the center line of the loading plate fixedly connected with the loading rod and the center line of the test piece are in the same straight line.
2. A pendant for a pseudo static test as claimed in claim 1, wherein: the standing groove comprises a first vertical plate, a bottom plate and a second vertical plate, wherein the first vertical plate is vertically fixed with the end part of the supporting plate, the bottom plate is vertically fixed with the first vertical plate away from one end of the supporting plate and faces away from the direction of the supporting plate, and the second vertical plate is vertically fixed with the bottom plate away from one end of the first vertical plate and faces towards the direction of the supporting plate.
3. A pendant for a pseudo static test as claimed in claim 2, wherein: the support plate is welded with the first vertical plate, the first vertical plate is welded with the bottom plate, and the bottom plate is welded with the second vertical plate.
4. A pendant for a pseudo static test as claimed in claim 1, wherein: the height adjusting device comprises a plurality of bolts, a plurality of threaded holes are formed in the bottom plate, one bolt is connected with one threaded hole in a threaded mode, the top of each bolt is used for being in contact with the loading rod, and the height of the loading rod can be adjusted and kept by rotating the bolts.
5. The pendant for a pseudo static test of claim 4, wherein: one of the height adjustment means comprises two bolts.
6. The pendant for a pseudo static test of claim 5, wherein: the bottom of the bolt is provided with a knurled knob.
7. A pendant for a pseudo static test as claimed in claim 1, wherein: the number of the pendant bodies is two, and the pendant bodies are symmetrically arranged at two ends of the test piece.
8. A pseudo static force experimental device is characterized in that: comprising
Two pendants for a pseudo static test according to any one of claims 1 to 7, the support plate being placed on the top surface of the test piece with the placement slot opening facing upwards on both sides of the test piece;
four loading rods, wherein the two loading rods at the top are placed in the corresponding placing grooves;
the two loading plates are arranged at two ends of the test piece, two ends of each loading rod penetrate through the loading plates and are fixedly connected with the loading plates through nuts, the height adjusting device is adjusted to enable the loading plates to be collinear with the neutral line of the test piece, and the nuts are rotated to enable the two loading plates to clamp the test piece;
the jack is used for being fixedly connected with one loading plate so as to apply horizontal reciprocating load to the test piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223489981.XU CN219064857U (en) | 2022-12-27 | 2022-12-27 | Pendant for pseudo static test and pseudo static test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223489981.XU CN219064857U (en) | 2022-12-27 | 2022-12-27 | Pendant for pseudo static test and pseudo static test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219064857U true CN219064857U (en) | 2023-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223489981.XU Active CN219064857U (en) | 2022-12-27 | 2022-12-27 | Pendant for pseudo static test and pseudo static test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219064857U (en) |
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2022
- 2022-12-27 CN CN202223489981.XU patent/CN219064857U/en active Active
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