CN212391189U - Be used for reinforced concrete pier anti-seismic performance loading device - Google Patents
Be used for reinforced concrete pier anti-seismic performance loading device Download PDFInfo
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- CN212391189U CN212391189U CN202020971845.6U CN202020971845U CN212391189U CN 212391189 U CN212391189 U CN 212391189U CN 202020971845 U CN202020971845 U CN 202020971845U CN 212391189 U CN212391189 U CN 212391189U
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Abstract
The utility model discloses a be used for reinforced concrete pier anti-seismic performance loading device, including bottom plate, curb plate and backplate. Has the advantages that: the utility model discloses a first jack and second jack, when simulating horizontal earthquake loading, can start first jack and second jack extension in turn, first jack and second jack extension drive head rod and second connecting rod and are close to pier test piece direction, thereby drive the kicking block and give pier test piece level to power, simulation horizontal earthquake power, and simultaneously, the in-process of horizontal force is applyed at the kicking block, the kicking block promotes the telescopic link shrink, kicking block opposite side surface contact load sensor, thereby demonstrate the thrust value, thereby the staff of being convenient for judges, the staff can in time adjust first jack and second jack according to the thrust value and open and stop, thereby simulate out the horizontal force that different earthquake grades produced, thereby carry out the comprehensive analysis under the different earthquake grades, the comprehensiveness of data has been improved, more comprehensive science.
Description
Technical Field
The utility model relates to a bridge antidetonation detects technical field, particularly, relates to a be used for reinforced concrete pier anti-seismic performance loading device.
Background
The bridge is damaged by earthquake mainly due to ground surface damage and earthquake damage of the bridge, wherein the ground surface damage has the phenomena of ground cracks, landslides, collapse, bank slope slippage, sandy soil liquefaction and the like, the ground cracks can cause the span of the bridge to be shortened and extended or the pier to sink, and in a steep mountain area or sandy soil and soft clay river bank, collapse, bank slope slippage and mountain rocks fall caused by strong earthquake can cause the bridge to be damaged, and the destructiveness of the horizontal force of the earthquake to the building is high, so that the horizontal force of the earthquake can be simulated to be applied to the surface of a pier test piece when the earthquake resistance of the pier is detected.
Traditional horizontal force's the mode of applying is the jack promotion, however, when applying horizontal force, the numerical value of horizontal force is difficult to observe, lead to the unable size of judging the horizontal force of applying of survey crew, be difficult to obtain the earthquake grade of simulation according to the conversion, can only measure the earthquake grade that the biggest horizontal force when the pier test piece destroys corresponds, and the change of pier test piece when unable other grades of earthquakes of judgement take place, data is not comprehensive enough, and simultaneously, the back is applyed to horizontal force, the pier can the test piece produce deformation, traditional measuring instrument structure is comparatively complicated, the operation is comparatively difficult, it is also not direct enough to observe, data reachs comparatively taking trouble, it is not very convenient to use, can further improve.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a be directed against the not enough of prior art, the utility model provides a be used for reinforced concrete pier anti-seismic performance loading device possesses that data is comprehensive, measure simple and convenient advantage, and then solves the problem among the above-mentioned background art.
(II) technical scheme
For realizing the advantages of comprehensive data and simple and convenient measurement, the utility model discloses a concrete technical scheme as follows:
the utility model provides a be used for reinforced concrete pier anti-seismic performance loading device, includes bottom plate, curb plate and backplate, the welding of bottom plate top surface back of the body the inside has the backplate, and bottom plate top surface one side edge welding has the curb plate, bottom plate top surface central point puts and is provided with the pier test piece, and pier test piece bottom surface fixedly connected with mounting panel to the mounting panel passes through construction bolt and bottom plate fixed connection, the horizontal fixedly connected with first jack in curb plate inboard surface, and first jack one end is connected with the head rod, the horizontal fixedly connected with second jack in backplate, and second jack one end is connected with the second connecting rod, the head rod and the second connecting rod other end are connected with the kicking block through the telescopic link, and head rod and second connecting rod other end surface central point put fixedly connected with loading sensor.
Further, the curb plate is located the vertical fixedly connected with second riser in pier test piece one side to the relative face of curb plate, and the horizontal fixedly connected with second sleeve of second riser internal surface, the relative face of backplate is to the vertical fixedly connected with first riser of pier test piece opposite side, and the horizontal fixedly connected with first sleeve of the inboard surface of first riser, the ejector pin has all been pegged graft with first sleeve inside in the second sleeve, and ejector pin surface printing has the scale to ejector pin one end is located first sleeve and second sleeve inside through first spring respectively with first sleeve inner wall and second sleeve inner wall connection.
Furthermore, the telescopic link includes outer pole, interior pole and second spring, and the inside interior pole that has pegged graft of outer pole to interior pole one end is located the inside second spring and outer pole inner wall connection through of outer pole, outer pole and head rod and second connecting rod fixed connection, interior pole and kicking block fixed connection.
Furthermore, guide rods are arranged on the outer sides of the first jack and the second jack, and one ends of the guide rods are respectively inserted into the first connecting rod and the second connecting rod and are in sliding connection with the first connecting rod and the second connecting rod.
Furthermore, the load sensor is matched with a display, and the maximum bearing load of the load sensor is not less than 3 tons.
Furthermore, the length of the guide rod inserted into the first connecting rod and the second connecting rod is larger than the maximum stroke of the first jack and the second jack.
(III) advantageous effects
Compared with the prior art, the utility model provides a be used for reinforced concrete pier anti-seismic performance loading device possesses following beneficial effect:
(1) the utility model adopts the first jack and the second jack, when the loading of the simulated horizontal earthquake is carried out, the first jack and the second jack can be started to extend alternately, the first jack and the second jack extend to drive the first connecting rod and the second connecting rod to approach towards the direction of the pier test piece, so as to drive the jacking block to provide horizontal force for the pier test piece and simulate horizontal earthquake force, and simultaneously, when the jacking block applies horizontal force, the jacking block pushes the telescopic rod to contract, the surface of the other side of the jacking block contacts with the load sensor, thereby displaying the thrust value, facilitating the judgment of the working personnel, the working personnel can adjust the start and stop of the first jack and the second jack in time according to the thrust value, therefore, horizontal force generated by different earthquake grades is simulated, comprehensive analysis under different earthquake grades is carried out, comprehensiveness of data is improved, and the method is more comprehensive and scientific.
(2) The utility model discloses a first riser and second riser, first riser and second riser are located the opposite face of backplate and curb plate respectively, the pier test piece is after the promotion that relapses, pier test piece surface can produce deformation, and these deformations can lead to the ejector pin to remove to first sleeve or second sleeve inside, the scale change on staff's accessible ejector pin surface reachs the deformation size, thereby judge the influence of horizontal seismic force to the pier from data, the measurement mode is direct simple, it is more convenient to operate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used 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 invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of an upright vertical surface structure of a device for loading the seismic performance of a reinforced concrete pier, which is provided by the utility model;
fig. 2 is a side view of the device for loading the seismic performance of the reinforced concrete pier, which is provided by the utility model;
fig. 3 is a schematic view of the internal structure of the telescopic rod of the present invention.
In the figure:
1. a base plate; 2. mounting a plate; 3. installing a bolt; 4. a side plate; 5. a back plate; 6. a first connecting rod; 7. a pier test piece; 8. a first vertical plate; 9. a top rod; 10. a first sleeve; 11. a first spring; 12. a second vertical plate; 13. calibration; 14. a first jack; 15. a guide bar; 16. a second jack; 17. a second sleeve; 18. a top block; 19. a telescopic rod; 20. a second connecting rod; 21. a load sensor; 22. a second spring; 23. an outer rod; 24. an inner rod.
Detailed Description
For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.
According to the utility model discloses an embodiment provides a be used for reinforced concrete pier anti-seismic performance loading device.
Referring now to the drawings and the detailed description, as shown in fig. 1-3, according to an embodiment of the present invention, a device for loading anti-seismic performance of reinforced concrete pier comprises a bottom plate 1, a side plate 4 and a back plate 5, wherein the back surface of the top surface of the bottom plate 1 is welded with the back plate 5, the side plate 4 is welded on one side edge of the top surface of the bottom plate 1, a pier test piece 7 is arranged at the center of the top surface of the bottom plate 1, a mounting plate 2 is fixedly connected to the bottom surface of the pier test piece 7, the mounting plate 2 is fixedly connected to the bottom plate 1 through a mounting bolt 3, the fixed connection between the simulated pier and the foundation is provided, a first jack 14 is transversely fixedly connected to the inner side surface of the side plate 4, one end of the first jack 14 is connected to a first connecting rod 6, a second jack 16 is transversely fixedly connected to the inner surface of, the first jack 14 and the second jack 16 are of the same structure, the first connecting rod 6 and the second connecting rod 20 are of the same structure, the other ends of the first connecting rod 6 and the second connecting rod 20 are connected with a jacking block 18 through an expansion rod 19, and the center positions of the surfaces of the other ends of the first connecting rod 6 and the second connecting rod 20 are fixedly connected with a load sensor 21, when the simulated horizontal earthquake loading is carried out, the first jack 14 and the second jack 16 can be alternately started to extend, the first jack 14 and the second jack 16 extend to drive the first connecting rod 6 and the second connecting rod 20 to approach towards the direction of the pier test piece 7, so as to drive the jacking block 18 to horizontally force the pier test piece 7, so as to simulate horizontal earthquake force, meanwhile, in the process of applying horizontal force to the jacking block 18, the jacking block 18 pushes the expansion rod 19 to shrink, the surface of the other side of the jacking block 18 contacts with the load sensor 21, so as to display a, therefore, judgment of workers is facilitated, the workers can timely adjust the starting and stopping of the first jack 14 and the second jack 16 according to the thrust value, horizontal force generated by different earthquake grades is simulated, comprehensive analysis under the earthquakes of different grades is carried out, the comprehensiveness of data is improved, and the comprehensive analysis is more scientific.
In one embodiment, a second vertical plate 12 is vertically and fixedly connected to the opposite side of the side plate 4 on one side of the pier test piece 7, a second sleeve 17 is transversely and fixedly connected to the inner surface of the second vertical plate 12, a first vertical plate 8 is vertically and fixedly connected to the opposite side of the back plate 5 on the other side of the pier test piece 7, a first sleeve 10 is transversely and fixedly connected to the inner side surface of the first vertical plate 8, a top rod 9 is inserted into the second sleeve 17 and the inner side of the first sleeve 10, scales 13 are printed on the surface of the top rod 9, one end of the top rod 9 is positioned inside the first sleeve 10 and the second sleeve 17 and is respectively connected with the inner wall of the first sleeve 10 and the inner wall of the second sleeve 17 through a first spring 11, the first spring 11 pushes the top rod 9 to tightly push the pier test piece 7, the first vertical plate 8 and the second vertical plate 12 are respectively positioned on the opposite sides of the back plate 5 and the side plate, and these deformations can lead to ejector pin 9 to first sleeve 10 or the inside removal that moves of second sleeve 17, and staff's accessible ejector pin 9 surperficial scale 13 changes and reachs the deformation size to judge the influence of horizontal seismic force to pier test piece 7 on the data, the measurement mode is direct simple, and it is more convenient to operate.
In one embodiment, the telescopic rod 19 comprises an outer rod 23, an inner rod 24 and a second spring 22, the inner rod 24 is inserted into the outer rod 23, one end of the inner rod 24 is located inside the outer rod 23 and connected with the inner wall of the outer rod 23 through the second spring 22, the outer rod 23 is fixedly connected with the first connecting rod 6 and the second connecting rod 20, the inner rod 24 is fixedly connected with the top block 18, when the second spring 22 is not compressed, the length of the telescopic rod 19 is larger than the thickness of the load sensor 21, the top block 18 is prevented from contacting the load sensor 21 for a long time, and the inner rod 24 moves in the outer rod 23 to provide a guiding effect for the top block 18.
In one embodiment, guide rods 15 are arranged outside the first jack 14 and the second jack 16, one ends of the guide rods 15 are respectively inserted into the first connecting rod 6 and the second connecting rod 20 and are slidably connected with the first connecting rod 6 and the second connecting rod 20, the other ends of the guide rods 15 are fixedly connected with the side plate 4 and the back plate 5, the guide rods 15 are horizontally arranged with the first jack 14 and the second jack 16, the guide rods 15 slide inside the first connecting rod 6 and the second connecting rod 20 to guide the first connecting rod 6 and the second connecting rod 20, and simultaneously support the first connecting rod 6 and the second connecting rod 20 to prevent the first jack 14 and the second jack 16 from bearing shearing force.
In one embodiment, the load sensor 21 is used in combination with a display, and the maximum load-bearing load of the load sensor 21 is not less than 3 tons, which is commercially available and is a common structure, and will not be described herein.
In one embodiment, the guide rod 15 is inserted into the first and second connecting rods 6 and 20 for a length greater than the maximum stroke of the first and second jacks 14 and 16, so as to prevent the guide rod 15 from slipping.
The working principle is as follows:
when the simulated horizontal earthquake loading is carried out, the first jack 14 and the second jack 16 can be alternately started to extend, the first jack 14 and the second jack 16 extend to drive the first connecting rod 6 and the second connecting rod 20 to approach towards the direction of the pier test piece 7, so as to drive the jacking block 18 to give horizontal force to the pier test piece 7, the horizontal earthquake force is simulated, meanwhile, in the process of applying the horizontal force to the jacking block 18, the jacking block 18 pushes the telescopic rod 19 to contract, the other side surface of the jacking block 18 contacts the load sensor 21, so as to display a thrust value, thereby facilitating the judgment of a worker, the worker can timely adjust the starting and stopping of the first jack 14 and the second jack 16 according to the thrust value, so as to simulate the horizontal force generated by different earthquake grades, thereby carrying out the comprehensive analysis under different grades of earthquakes, improving the comprehensiveness of data, being more comprehensiveness scientific, and meanwhile, the first vertical plate 8 and the second vertical plate 12 are respectively positioned on the opposite surfaces of the back plate 5 and the side plate, pier test piece 7 is after the promotion through relapse, and pier test piece 7 surface can produce deformation, and these deformations can lead to ejector pin 9 to first sleeve 10 or the inside removal of second sleeve 17, and staff's accessible ejector pin 9 surperficial scale 13 changes and reachs the deformation size to judge the influence of horizontal seismic force to pier test piece 7 from data, the measurement mode is direct simple, and it is more convenient to operate.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a be used for reinforced concrete pier anti-seismic performance loading device, its characterized in that, including bottom plate (1), curb plate (4) and backplate (5), the welding of bottom plate (1) top surface back of the body has backplate (5), and the welding of bottom plate (1) top surface one side edge has curb plate (4), bottom plate (1) top surface central point puts and is provided with pier test piece (7), and pier test piece (7) bottom surface fixedly connected with mounting panel (2), and mounting panel (2) are through construction bolt (3) and bottom plate (1) fixed connection, lateral surface is transversely fixedly connected with first jack (14) in curb plate (4), and first jack (14) one end is connected with first connecting rod (6), backplate (5) internal surface transversely fixedly connected with second jack (16), and second jack (16) one end is connected with second connecting rod (20), the other ends of the first connecting rod (6) and the second connecting rod (20) are connected with a top block (18) through a telescopic rod (19), and the center positions of the surfaces of the other ends of the first connecting rod (6) and the second connecting rod (20) are fixedly connected with load sensors (21).
2. The earthquake-resistant performance loading device for the reinforced concrete pier according to claim 1, it is characterized in that the opposite surface of the side plate (4) is vertically and fixedly connected with a second vertical plate (12) at one side of the bridge pier test piece (7), a second sleeve (17) is transversely and fixedly connected with the inner surface of the second vertical plate (12), a first vertical plate (8) is vertically and fixedly connected with the other side of the opposite surface of the back plate (5) opposite to the pier test piece (7), and the inner side surface of the first vertical plate (8) is transversely and fixedly connected with a first sleeve (10), the inside of the second sleeve (17) and the inside of the first sleeve (10) are both inserted with ejector rods (9), and scales (13) are printed on the surface of the ejector rods (9), and one end of the ejector rod (9) is positioned inside the first sleeve (10) and the second sleeve (17) and is respectively connected with the inner wall of the first sleeve (10) and the inner wall of the second sleeve (17) through a first spring (11).
3. The loading device for the seismic performance of the reinforced concrete pier as claimed in claim 1, wherein the telescopic rod (19) comprises an outer rod (23), an inner rod (24) and a second spring (22), the inner rod (24) is inserted into the outer rod (23), one end of the inner rod (24) is located inside the outer rod (23) and is connected with the inner wall of the outer rod (23) through the second spring (22), the outer rod (23) is fixedly connected with the first connecting rod (6) and the second connecting rod (20), and the inner rod (24) is fixedly connected with the top block (18).
4. The reinforced concrete pier anti-seismic performance loading device according to claim 1, wherein guide rods (15) are arranged outside the first jack (14) and the second jack (16), and one ends of the guide rods (15) are respectively inserted into the first connecting rod (6) and the second connecting rod (20) and are slidably connected with the first connecting rod (6) and the second connecting rod (20).
5. The device for loading the seismic performance of the reinforced concrete pier as claimed in claim 1, wherein the load sensor (21) is matched with a display, and the maximum bearing load of the load sensor (21) is not less than 3 tons.
6. The device for loading the seismic performance of the reinforced concrete pier as claimed in claim 4, wherein the length of the guide rods (15) inserted into the first connecting rod (6) and the second connecting rod (20) is greater than the maximum stroke of the first jack (14) and the second jack (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020971845.6U CN212391189U (en) | 2020-06-01 | 2020-06-01 | Be used for reinforced concrete pier anti-seismic performance loading device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020971845.6U CN212391189U (en) | 2020-06-01 | 2020-06-01 | Be used for reinforced concrete pier anti-seismic performance loading device |
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| CN212391189U true CN212391189U (en) | 2021-01-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114182625A (en) * | 2022-01-19 | 2022-03-15 | 福州大学 | Automatic limiting and anti-seismic device for long-span bridge girder and working method thereof |
-
2020
- 2020-06-01 CN CN202020971845.6U patent/CN212391189U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114182625A (en) * | 2022-01-19 | 2022-03-15 | 福州大学 | Automatic limiting and anti-seismic device for long-span bridge girder and working method thereof |
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Effective date of registration: 20210127 Address after: 014000 106, building 5, jingjingyuan, Tiexi District, Donghe District, Baotou City, Inner Mongolia Autonomous Region Patentee after: Inner Mongolia xinkaiyuan Construction Co.,Ltd. Address before: 730408, group 2, Xihe village, Caowotan Town, Jingtai County, Baiyin City, Gansu Province Patentee before: Wan Huirong |