CN210269127U - Static and dynamic performance test system for damping device of large bridge structure - Google Patents
Static and dynamic performance test system for damping device of large bridge structure Download PDFInfo
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- CN210269127U CN210269127U CN201921124619.8U CN201921124619U CN210269127U CN 210269127 U CN210269127 U CN 210269127U CN 201921124619 U CN201921124619 U CN 201921124619U CN 210269127 U CN210269127 U CN 210269127U
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Abstract
The utility model relates to a bridge damping device capability test technical field specifically is the quiet power capability test system of large-scale bridge structure damping device, the utility model is used for solving prior art and not having the problem that special equipment is used for testing the quiet power capability of bridge structure damping device, the utility model discloses a horizontal servo loading system and loading frame, horizontal servo loading system installs on the loading frame, still install movable cross beam and locking system on the loading frame, locking system is used for locking movable cross beam, still be connected with actuating mechanism between loading frame and movable cross beam, movable cross beam can slide on the loading frame, mountable test piece between movable cross beam and horizontal servo loading system. The utility model discloses install bridge damping device between movable beam and horizontal servo loading system, rethread horizontal servo loading system carries out the test of static power performance to bridge damping device.
Description
Technical Field
The utility model relates to a bridge damping device capability test technical field, more specifically relate to large-scale bridge structure damping device static and dynamic capability test system.
Background
The bridge generally refers to a structure which is erected on rivers, lakes and seas and enables vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the buildings are convenient to pass. The bridge generally comprises an upper structure, a lower structure, a support and an auxiliary structure, wherein the upper structure is also called a bridge span structure and is a main structure for spanning obstacles; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting positions of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structures refer to bridge head butt straps, tapered revetments, diversion works and the like, and the bridge plays a great role in life of people.
At present, China also lacks competitive advantages in the aspects of international leading countries and technologies in the aspects of single disaster prevention and multiple disaster comprehensive disaster prevention and disaster prevention technologies such as bridge earthquake resistance, wind resistance, collision resistance, explosion resistance and the like and in the aspects of bridge comprehensive mechanism systems with the span of more than 2000 m. The bridge structure damping device is an important one of bridge damping components, is widely applied in complex environments and large-span bridge design and construction, and is also widely applied to a performance-based bridge design concept. The existing energy dissipation damping device can be divided into a speed type and a displacement type according to the basic working principle. The speed type damping device comprises an oil damper and a viscous damper, and the displacement type damping device comprises a friction damper and various metal dampers.
However, at present, no test equipment specially used for testing the mechanical property of the bridge structure damping device is available in China. Therefore, a system for testing the static and dynamic performance of the damping device of the bridge structure is urgently needed.
SUMMERY OF THE UTILITY MODEL
Based on the above problem, the utility model provides a large-scale bridge structures damping device static dynamic capability test system for solve prior art and do not have the problem that special equipment is used for testing bridge structures damping device static dynamic capability. The utility model discloses install bridge damping device between movable beam and horizontal servo loading system, rethread horizontal servo loading system carries out the test of static power performance to bridge damping device.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the static and dynamic performance testing system for the damping device of the large bridge structure comprises a horizontal servo loading system and a loading frame, wherein the horizontal servo loading system is installed on the loading frame, a movable cross beam and a locking system are further installed on the loading frame, the locking system is used for locking the movable cross beam, a driving mechanism is further connected between the loading frame and the movable cross beam, the movable cross beam can slide on the loading frame, and a test piece can be installed between the movable cross beam and the horizontal servo loading system.
As a preferred mode, the loading frame includes fixed cross beam and stand support, be connected with many stands between stand support and fixed cross beam, the base is installed to the bottom surface of stand support, install the guide rail on the base, horizontal servo loading system installs on fixed cross beam, movable cross beam and locking system install on the stand, movable cross beam's bottom surface install with the gyro wheel of guide rail contact, actuating mechanism installs between movable cross beam and fixed cross beam, movable cross beam installs right appearance spare pull head on being close to fixed cross beam's the terminal surface.
As a preferable mode, the driving mechanism is two driving oil cylinders, and the two driving oil cylinders are installed between the loading frame and the movable beam.
As a preferred mode, horizontal loading system includes servo cylinder and direction arm-tie, servo cylinder installs on fixed cross beam, fixed cross beam is passed and load sensor is connected to servo cylinder's one end, load sensor is connected with the direction arm-tie, direction arm-tie and stand contact, the direction arm-tie is kept away from and is installed left appearance spare pull head on fixed cross beam's the terminal surface, still install displacement sensor on the servo cylinder, displacement sensor's removal end is installed on servo cylinder keeps away from fixed cross beam's piston.
As a preferable mode, a plurality of groups of guide wheels are further mounted on the end face, away from the fixed cross beam, of the guide pulling plate, and the guide wheels are in contact with the upright columns.
As a preferred mode, the locking system is installed on both sides of the movable beam, the locking system comprises locking block assemblies installed on each upright column, the locking block assemblies are connected with the movable beam and can slide along the upright columns, the locking block assemblies are penetrated by locking bolts, locking nuts are connected to the locking bolts, and oil inlets are formed in the locking nuts.
Preferably, the locking block assembly comprises an upper locking block and a lower locking block.
The utility model has the advantages as follows:
(1) the utility model discloses install bridge damping device between movable beam and horizontal servo loading system, rethread horizontal servo loading system carries out the test of static power performance to bridge damping device.
(2) The utility model discloses install right sample pull head on well movable cross beam is close to fixed cross beam's the terminal surface, install left sample pull head on the terminal surface that fixed cross beam was kept away from to the direction arm-tie, the test piece is installed between right sample pull head and left sample pull head, makes things convenient for the installation and the dismantlement of test piece to can be with the firm fixing of test piece between right sample pull head and left sample pull head.
(3) The utility model discloses still install the multiunit leading wheel on the fixed cross beam's is kept away from to well direction arm-tie on the terminal surface, leading wheel and stand contact to the axis of guaranteeing left sample pull head and the horizontal axis coincidence of loading frame, servo cylinder, left sample pull head, test piece and right sample pull head are located same water flat line like this, and the sound stress test to the test piece like this is more accurate.
(4) The utility model discloses well locking system installs in the both sides of movable beam, and locking system is connected and can follow the stand and slide including installing the locking block subassembly on every stand with movable beam, locking block subassembly, and the locking block subassembly is passed by lock bolt, is connected with lock nut on the lock bolt, and last the opening of lock nut has the oil inlet. Hydraulic oil gets into hydraulic pressure lock nut through hydraulic pressure lock nut's oil inlet in, and then taut locking bolt for go up elasticity latch segment and elasticity latch segment locking down together, and then with stand locking, convenient operation is nimble.
Drawings
FIG. 1 is a schematic view of the three-dimensional structure of the present invention;
FIG. 2 is a schematic view of the front structure of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic view of the locking system of the present invention with the locking system removed;
FIG. 5 is a simplified front view of the locking system of the present invention with the locking system removed;
FIG. 6 is a schematic top view of the locking system of the present invention with the locking system removed;
fig. 7 is a schematic view of a horizontal servo loading system according to the present invention;
fig. 8 is a schematic diagram of the front structure of the horizontal servo loading system of the present invention;
fig. 9 is a schematic front sectional view of the horizontal servo loading system of the present invention;
fig. 10 is a schematic front view of the loading frame of the present invention;
fig. 11 is a schematic side sectional view of the locking system of the present invention;
reference numerals: the device comprises a horizontal servo loading system 1, a displacement sensor 11, a servo oil cylinder 12, a load sensor 13, a guide pull plate 14, a guide wheel 15, a sample piece pull head 16, a loading frame 2, a fixed cross beam 21, a column 22, a guide rail 23, a base 24, a column support 25, a driving oil cylinder 3, a movable cross beam 4, a roller 41, a sample piece pull head 42 on the right, a locking system 5, a locking block 51, a locking bolt 52, a locking block below 53, a locking nut 54 and an oil inlet 541.
Detailed Description
For a better understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and the following embodiments.
Example 1:
as shown in fig. 1 to 11, the system for testing the static and dynamic performance of the damping device of the large bridge structure comprises a horizontal servo loading system 1 and a loading frame 2, wherein the horizontal servo loading system 1 is installed on the loading frame 2, a movable cross beam 4 and a locking system 5 are also installed on the loading frame 2, the locking system 5 is used for locking the movable cross beam 4, a driving mechanism is also connected between the loading frame 2 and the movable cross beam 4, the movable cross beam 4 can slide on the loading frame 2, and a test piece can be installed between the movable cross beam 4 and the horizontal servo loading system 1.
Preferably, the loading frame 2 includes a fixed cross beam 21 and a column bracket 25, a plurality of columns 22 are connected between the column bracket 25 and the fixed cross beam 21, a base 24 is installed on the bottom surface of the column bracket 25, a guide rail 23 is installed on the base 24, the horizontal servo loading system 1 is installed on the fixed cross beam 21, the movable cross beam 4 and the locking system 5 are installed on the columns 22, a roller 41 contacting with the guide rail 23 is installed on the bottom surface of the movable cross beam 4, a driving mechanism is installed between the movable cross beam 4 and the fixed cross beam 21, and a right sample piece pull head 42 is installed on the end surface of the movable cross beam 4 close to the fixed cross beam. The number of the columns 22 is preferably four, and four columns 22 are uniformly installed between the fixed beam 21 and the column bracket 25.
Preferably, the driving mechanism is two driving cylinders 3, and the two driving cylinders 3 are installed between the loading frame 2 and the movable beam 4.
As a preferable mode, the horizontal loading system comprises a servo oil cylinder 12 and a guide pull plate 14, the servo oil cylinder 12 is installed on a fixed cross beam 21, one end of the servo oil cylinder 12 penetrates through the fixed cross beam 21 and is connected with a load sensor 13, the load sensor 13 is connected with the guide pull plate 14, the guide pull plate 14 is in contact with an upright post 22, a left sample piece pull head 16 is installed on the end face, away from the fixed cross beam 21, of the guide pull plate 14, a displacement sensor 11 is further installed on the servo oil cylinder 12, and the moving end of the displacement sensor 11 is installed on a piston, away from the fixed cross beam 21, of the servo oil cylinder 12. The type of the servo oil cylinder 12 can be selected from DKS-453-01-00-000; the model of the load sensor 13 can be selected from CZLYB-1AB/5000 kN; the model of the displacement sensor 11 can be selected from FT61-1000 mm.
Preferably, a plurality of groups of guide wheels 15 are further mounted on the end face of the guide pulling plate 14 far away from the fixed cross beam 21, and the guide wheels 15 are in contact with the upright posts 22. The axis of the left sample pull head is coincident with the horizontal axis of the loading frame 2, so that the servo oil cylinder 12, the left sample pull head, the test piece and the right sample pull head are located on the same horizontal line, and the dynamic and static stress test of the test piece is more accurate.
Preferably, the locking system 5 is installed on both sides of the movable beam 4, the locking system 5 includes a locking block assembly installed on each upright post 22, the locking block assembly is connected with the movable beam 4 and can slide along the upright post 22, the locking block assembly is penetrated by a locking bolt 52, a locking nut 54 is connected to the locking bolt 52, and an oil inlet 541 is formed in the locking nut 54.
Preferably, the locking block assembly includes an upper locking block 51 and a lower locking block 53.
The working principle is as follows: before experimental, articulate the one end of test piece on the right sample draw head of 14 right-hand members of direction arm-tie earlier, remove along guide rail 23 through two sets of drive cylinder 3 drive moving beam 4 and remove in order to reach the purpose in adjustment test space, articulate the other end of test piece on the left sample draw head of moving beam 4 again, then through installing eight groups locking system 5 on moving beam 4 with moving beam 4 locking on four stands 22, specific locking mode is: hydraulic oil enters the hydraulic locking nut 54 through an oil inlet 541 of the hydraulic locking nut 54, and then the locking bolt 52 is tightened, so that the upper locking block 51 and the lower locking block 53 are locked together, and the upright column 22 is locked, and the operation is convenient and flexible.
In addition, the hydraulic oil is injected into the locking nut 54 through the oil inlet 541 by using a high-pressure oil pump, the number of the locking systems 5 is preferably eight, and each group of locking systems 5 is installed on the upright column 22 and connected with the movable cross beam 4. And finally, loading the sample through a servo oil cylinder 12, and measuring loading data of various tests through a displacement sensor 11 and a load sensor 13.
The embodiment of the present invention is the above. The specific parameters in the above embodiments and examples are only for the purpose of clearly showing the verification process of the present invention, and are not used to limit the protection scope of the present invention, which is still subject to the claims, and all the equivalent structural changes made by using the contents of the specification and drawings of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. Large-scale bridge structures damping device static and dynamic capability test system, its characterized in that: including horizontal servo loading system (1) and loading frame (2), horizontal servo loading system (1) is installed on loading frame (2), still install movable beam (4) and locking system (5) on loading frame (2), locking system (5) are used for locking movable beam (4), still be connected with actuating mechanism between loading frame (2) and movable beam (4), movable beam (4) can slide on loading frame (2), mountable test piece between movable beam (4) and horizontal servo loading system (1).
2. The system for testing the static and dynamic performance of the damping device of the large bridge structure according to claim 1, wherein: loading frame (2) are including fixed cross beam (21) and stand support (25), be connected with many stands (22) between stand support (25) and fixed cross beam (21), base (24) are installed to the bottom surface of stand support (25), install guide rail (23) on base (24), horizontal servo loading system (1) is installed on fixed cross beam (21), install on stand (22) removal crossbeam (4) and locking system (5), gyro wheel (41) with guide rail (23) contact are installed to the bottom surface of removal crossbeam (4), actuating mechanism installs between removal crossbeam (4) and fixed cross beam (21), install right pull head spare (42) on removal crossbeam (4) is close to the terminal surface of fixed cross beam (21).
3. The system for testing the static and dynamic performance of the damping device of the large bridge structure according to claim 2, wherein: the driving mechanism is a driving oil cylinder (3), the number of the driving oil cylinders (3) is two, and the two driving oil cylinders (3) are arranged between the loading frame (2) and the movable cross beam (4).
4. The system for testing the static and dynamic performance of the damping device of the large bridge structure according to claim 2, wherein: horizontal loading system includes servo cylinder (12) and direction arm-tie (14), install on fixed cross beam (21) servo cylinder (12), fixed cross beam (21) are passed and load sensor (13) are connected to the one end of servo cylinder (12), load sensor (13) are connected with direction arm-tie (14), direction arm-tie (14) and stand (22) contact, install left sample spare pull head (16) on the terminal surface of fixed cross beam (21) is kept away from in direction arm-tie (14), still install displacement sensor (11) on servo cylinder (12), the removal end of displacement sensor (11) is installed on servo cylinder (12) keeps away from the piston of fixed cross beam (21).
5. The system for testing the static and dynamic performance of the damping device of the large bridge structure according to claim 4, wherein: and a plurality of groups of guide wheels (15) are further mounted on the end face, away from the fixed cross beam (21), of the guide pulling plate (14), and the guide wheels (15) are in contact with the upright columns (22).
6. The system for testing the static and dynamic performance of the damping device of the large bridge structure according to claim 2, wherein: locking system (5) are installed in the both sides of walking beam (4), locking system (5) are including installing every the latch segment subassembly on stand (22), the latch segment subassembly is connected with walking beam (4) and can follows stand (22) and slide, the latch segment subassembly is passed by latch bolt (52), be connected with lock nut (54) on latch bolt (52), it has oil inlet (541) to open on lock nut (54).
7. The system for testing the static and dynamic performance of the damping device of the large bridge structure according to claim 6, wherein: the locking block assembly includes an upper locking block (51) and a lower locking block (53).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921124619.8U CN210269127U (en) | 2019-07-18 | 2019-07-18 | Static and dynamic performance test system for damping device of large bridge structure |
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| CN201921124619.8U CN210269127U (en) | 2019-07-18 | 2019-07-18 | Static and dynamic performance test system for damping device of large bridge structure |
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| CN210269127U true CN210269127U (en) | 2020-04-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268690A (en) * | 2020-09-30 | 2021-01-26 | 武汉海润工程设备有限公司 | High-speed large-displacement damper testing machine |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268690A (en) * | 2020-09-30 | 2021-01-26 | 武汉海润工程设备有限公司 | High-speed large-displacement damper testing machine |
| CN112268690B (en) * | 2020-09-30 | 2023-02-03 | 中船双瑞(洛阳)特种装备股份有限公司 | High-speed large-displacement damper testing machine |
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