WO2020098290A1 - Dynamic and static multifunctional test servo loading system - Google Patents

Abstract

The present invention relates to the technical field of civil engineering, and provides a dynamic and static multifunctional test servo loading system, comprising a steel counterforce platform (9), a counterforce wall, a rigid cross-shaped loading beam (7), and dynamic actuators. The counterforce wall comprises a first counterforce wall (1) and a second counterforce wall (2) at 90 degrees; the dynamic actuators comprise a plurality of horizontal dynamic actuators (3, 4, 5, 6) and a plurality of vertical dynamic actuators (10, 11, 12, 13); the horizontal dynamic actuators (3, 4, 5, 6) are respectively connected to the counterforce wall and the rigid cross-shaped loading beam (7), and the vertical dynamic actuators are respectively connected to the steel counterforce platform (9) and the rigid cross-shaped loading beam (7). System components can be freely disassembled or assembled to form test servo loading systems with different functions; free conversion among a static multi-dimensional loading system, a dynamic multi-dimensional loading system, a vertical high-speed impact loading system, and a sea wave simulation loading system can be realized by means of disassembly and assembly connection and control of the dynamic actuators, investment of manpower and material resources during an experiment can be greatly saved, and the test servo loading system is reasonable in design, efficient, convenient, free to disassemble, and multifunctional.

Description

Dynamic and static multifunctional test servo loading system Technical field

The invention relates to a dynamic and static multifunctional test servo loading system, which belongs to the technical field of civil engineering.

Background technique

In recent years, earthquakes have occurred frequently, and large earthquakes, intensive earthquakes, and accompanying or triggered secondary disasters such as tsunamis and mudslides will cause serious damage to land and sea infrastructure engineering structures. In addition, accidents such as traffic accidents and terrorist attacks will also affect infrastructure structural components. Causes damage and destruction, and is difficult to repair, causing major economic losses and threatening life safety. There is an urgent need for a simulation test platform that truly simulates the mechanical behavior of structural systems and structural members under earthquake action, tsunami, vehicle and ship impact, explosion and impact. However, the existing structural test system cannot well simulate the nonlinear dynamic behavior of large structural components in a multi-hazard environment, especially the multi-dimensional dynamic fast hysteretic loading capacity of large structural components is insufficient.

Most of the existing loading systems can carry out static tests such as static reciprocating loading tests and pseudo-dynamic tests, but the installation and disassembly are complicated, and they cannot simulate the various boundaries and loading conditions of structural members in the actual structure. Therefore, it is urgent to develop a test system that can have both dynamic and static test functions, flexible disassembly and assembly, and can simulate multi-dimensional loading boundary conditions.

Summary of the invention

The purpose of the present invention is to overcome the above-mentioned defects of the existing loading system, and propose a dynamic and static multifunctional test servo loading system.

The present invention is implemented using the following technical solutions:

A dynamic and static multifunctional test servo loading system, including a steel reaction force platform, a reaction force wall, a rigid cross-shaped loading beam and a dynamic actuator, the reaction force wall includes a reaction force wall 90 and a reaction force wall at 90 ° Second, the dynamic actuators include several horizontal dynamic actuators and several vertical dynamic actuators. The horizontal dynamic actuators are respectively connected to the reaction wall and the rigid cross-shaped loading beam, and the vertical dynamic actuators The actuator is connected to the steel reaction force platform and the rigid cross-shaped loading beam respectively.

The reaction force wall is a reinforced concrete reaction force wall.

The steel reaction force platform and reaction force wall are provided with several bolt holes.

The bolt hole spacing is 500 mm × 500 mm.

Four ends of the rigid cross-shaped loading beam are provided with detachable sliding ends.

The bottom of the rigid cross-shaped loading beam is provided with a detachable impact hammer head.

The bottom of the rigid cross-shaped loading beam is provided with a detachable wave wave simulation device.

The dynamic actuators include four horizontal dynamic actuators and four vertical dynamic actuators, and the eight dynamic actuators coordinately pull the rigid cross-shaped loading beam to monotonously structure components and systems in multiple directions Loading, can achieve multi-dimensional static loading.

The connections between the steel reaction force platform, reaction force wall, rigid cross-shaped loading beam and dynamic actuator are all detachable connections.

The connections between the steel reaction force platform, reaction force wall, rigid cross-shaped loading beam and dynamic actuator are all hinged.

The detachable supporting steel frame, the detachable impact hammer head, the detachable impact test damping protection device, the surf wave simulation device, and the surf wave impact test piece platform can be separately loaded and assembled to perform servo loading tests with different functions.

The steel reaction force platform is connected with the reinforced concrete reaction force wall and the concrete ground by bolts.

The steel reaction force platform is also provided with a detachable support steel frame, and the detachable support steel frame is provided with a cylindrical slideway, and a detachable sliding end is connected to the cylindrical slideway.

The detachable sliding end is provided with a circular through hole, the cylindrical slide is cylindrical, and the detachable sliding end is slidingly connected with the cylindrical slide.

The lower end of the cylindrical slideway is filled with damping pads.

A detachable shock test damping protection device is provided under the rigid cross-shaped loading beam.

The detachable impact test vibration damping protection device is provided with a speed-dependent damper, and a viscous damper is used to reduce the vibration caused by the instantaneous destruction of the test piece.

The eight dynamic actuators can coordinately pull the rigid cross-shaped loading beam to rapidly load and unload the structural members and the system in multiple directions, and realize multi-dimensional dynamic loading.

The bottom of the rigid cross-shaped loading beam is provided with a detachable impact hammer head.

The impact hammer head includes a penetrating impact hammer head and a falling hammer impact hammer head.

The steel reaction force platform is provided with a detachable supporting steel frame and a detachable shock test shock-absorbing protection device. The four ends of the rigid cross-shaped loading beam are connected with the detachable sliding end of the detachable supporting steel frame. Sliding connection of the cylindrical slide of the dismantled steel frame. Four horizontal dynamic actuators can be disassembled. After disassembly, the four vertical dynamic actuators cooperate with the rigid cross-shaped loading beam, removable support steel frame, and removable impact hammer Head and detachable shock test shock absorber protection device can realize dynamic shock loading.

The bottom of the rigid cross-shaped loading beam is provided with a detachable wave wave simulation device. A wave wave impact test piece platform is provided under the rigid cross-shaped loading beam.

The sea wave wave simulation device is filled with a viscous fluid.

The steel reaction force platform is provided with a wave wave impact test piece platform, and the bottom of the rigid cross-shaped loading beam is provided with a wave wave simulation device. The wave wave simulation device is filled with a viscous fluid, and four horizontal dynamic actuators can perform After disassembly, the four vertical dynamic actuators, together with the rigid cross-shaped loading beam, the detachable support steel frame, the wave wave simulation device and the wave wave shock test specimen platform, can realize the wave wave shock loading.

The connections between the steel reaction force platform, reaction force wall, rigid cross-shaped loading beam and dynamic actuator are all detachable connections, detachable support steel frame, detachable impact hammer head, detachable impact test shock absorption protection The device, the wave wave simulation device, and the wave wave impact test piece platform can be separately loaded and tested for different functions by disassembly and assembly.

The use method of the present invention is as follows:

When a multi-dimensional static loading test is required, the top of the test piece is rigidly connected to the center of the bottom of the rigid cross-shaped loading beam, the bottom of the test piece is just connected to the steel reaction force platform, and eight dynamic actuators coordinately pull the rigid cross-shaped loading beam to load , Multi-dimensional static loading can be performed on structural components and systems. When a multi-dimensional dynamic loading test is required, the top of the test piece is rigidly connected to the center of the bottom of the rigid cross-shaped loading beam, the bottom of the test piece is just connected to the steel reaction force platform, and eight dynamic actuators coordinate the traction of the rigid cross-shaped loading beam for rapid Cyclic reciprocating loading can carry out multi-dimensional dynamic loading of structural components and systems. This function can carry out multi-dimensional static loading, low-cycle reciprocating loading, pseudo-dynamic loading, real-time hybrid simulation loading, dynamic low-amplitude fatigue loading and dynamic of shear walls, beams, columns, nodes, seismic isolation bearings and 2-3 layer structures Large-scale reciprocating loading and other tests can apply dynamic static loads such as tension, compression, bending, shear and torsion to simulate various boundary conditions.

When the dynamic impact test is required, keep the four vertical dynamic actuators unchanged, remove the horizontal dynamic actuators connected to one side of the rigid cross-shaped loading beam, and the other side can be hung on the reaction force wall. One of the four detachable sliding ends is rigidly connected to the end of the rigid cross-shaped loading beam outrigger, and the other end is connected to the cylindrical slide in the detachable support steel frame. The detachable impact test shock absorber protection device is fixed to the cross The steel reaction force platform directly below the bottom of the type load beam forms a vertical impact test system under the support and protection of a detachable support steel frame. During the impact test, the test piece is placed in a detachable shock test damping protection device, and different types of hammer heads are connected to the bottom of the rigid cross-shaped loading beam, and the rigid cross-shaped loading beam is controlled by controlling four vertical dynamic actuators. The vertical tensile force is applied, and at the same time, under the action of gravity, the rigid cross-shaped loading beam reaches the design speed, and the hammer head impacts the test piece to conduct an impact test study. During the test, due to the large impact force and fast impact speed, in order to avoid the instability of the rigid cross-shaped loading beam, damage the dynamic actuator and the steel reaction force platform, and prevent the rigid cross-shaped loading beam from affecting the actuator after the test piece is destroyed Excessive shock is generated and the dynamic actuator is damaged. A damping pad is added under the vertical guide rail of the detachable support steel frame to buffer and isolate the rigid cross-shaped loading beam. The speed is set in the detachable shock test damping protection device Type damper to reduce the vibration caused by the instantaneous failure of the test piece.

The wave wave shock simulation device is filled with viscous fluid, which can be filled with viscous fluid such as hydraulic oil. When the hydraulic oil moves, the flow rate of each layer is different, and there is relative movement between the adjacent two flow layers, which generates viscous force. The wave wave simulation device continuously applies load to the test piece to simulate the wave load. The surface of the wave wave impact simulation device is wrapped with a high-strength and high-toughness elastic composite material, such as carbon fiber reinforced composite material, to form a closed software, which makes it light, high-strength, The high toughness, abrasion resistance and ablation resistance can better simulate the real-time and authenticity of the ocean wave. The ocean wave impact simulation device is connected to the rigid cross-shaped loading beam through the rigid connection plate at the top, and the flexible contact surface at the bottom. When the wave wave shock simulation test is required, four vertical dynamic actuators are controlled, and the rigid cross-shaped loading beam is used to make the soft wave wave shock simulation device generate motion similar to the wave wave. When the test design requirements are met, the bottom of the software is flexible The contact surface and the test piece can be in close contact with each other to simulate the impact of sea waves and conduct the test.

The dynamic and static multifunctional test servo loading system of the present invention realizes multi-dimensional static loading test and multi-dimensional dynamic by using as few components as possible in a limited space, through selective connection, combined disassembly and assembly to select and use the required components Loading test, dynamic loading test and wave wave shock simulation test. The actuator can be adjusted according to the needs. The connection methods are all detachable connections, the combination is more flexible, and the functions are more diverse.

Compared with the prior art, the beneficial effects of the present invention are:

(1) The dynamic and static multifunctional test servo loading system, the system components can be freely disassembled to form a test servo loading system with different functions, and can realize static multi-dimensional loading, dynamic multi-dimensional loading, vertical high speed through disassembly and assembly connection and control of the actuator The fast and free conversion between shock loading and ocean wave simulation loading system can greatly save the input of manpower and material resources during the experiment. It is a reasonable, efficient and convenient, freely disassembled, multi-functional test servo loading system;

(2) The dynamic and static test servo loading system can realize the multi-dimensional loading of structural members and systems through the coordinated linkage of eight dynamic actuators, in particular, it can realize the dynamic large-value reciprocating loading, so as to deal with dynamic nonlinear structural behavior and severe seismic events It is of great significance to conduct reliable prediction and simulation of the failure mechanism in the development and testing of new earthquake-resistant buildings;

(3) Dynamic test servo loading system, after removing the four horizontal dynamic actuators, install the impact hammer on the rigid cross-shaped loading beam, using the tensile force of the four vertical dynamic actuators and the rigid cross-shaped loading beam Self-weight, combined with detachable support steel frame and detachable shock test damping protection device, can realize vertical impact test, so as to study and test the damage caused by vehicles or ships hitting buildings, and verify and deploy new buildings with impact resistance , And the construction technology of strengthening and improving existing structures is of great significance;

(4) The wave wave impact system, dismantle four horizontal dynamic actuators, install the wave wave simulation device at the center of the bottom of the rigid cross beam, and use the tensile force of the four vertical dynamic actuators and the rigid cross loading beam. Self-weight and detachable supporting steel frame to realize the simulation of ocean wave impact, research and test the damage caused by natural disasters such as tsunamis, and the verification and deployment of impact-resistant new buildings and the construction technology of strengthening and improving existing structures Of great significance.

BRIEF DESCRIPTION

FIG. 1 is a schematic top view of the overall structure of the present invention.

2 is a schematic front view of the overall structure of the present invention.

3 is a schematic front view of the multi-dimensional dynamic and static loading system of the present invention.

4 is a schematic front view of the dynamic impact loading system of the present invention.

FIG. 5 is a schematic front view of the ocean wave impact system of the present invention.

6 is a front view of the impact hammer head of the detachable cross-shaped loading beam of the present invention.

7 is a schematic front view of the detachable support steel frame of the present invention.

In the picture: 1. Reaction force wall one; 2. Reaction force wall two; 3. Horizontal dynamic actuator one; 4. Horizontal dynamic actuator two; 5. Horizontal dynamic actuator three; 6. Horizontal Dynamic actuator four; 7. Rigid cross-shaped loading beam; 8. Removable support steel frame; 9. Steel reaction force platform; 10. Vertical dynamic actuator one; 11. Vertical dynamic actuator two; 12. Vertical dynamic actuator three; 13. Vertical dynamic actuator four; 14. Penetrating impact hammer head; 15. Drop hammer impact hammer head; 16. Cylindrical slide; 17. Removable sliding Tips; 18. Vibration damping pads; 19. Detachable shock test shock absorber protection device; 20. Wave wave simulation device; 21. Wave wave shock test piece platform.

detailed description

The present invention will be further described below with reference to the drawings.

As shown in Figure 1-2, a dynamic and static multifunctional test servo loading system according to the present invention includes a steel reaction force platform, a reaction force wall, a rigid cross-shaped loading beam and a dynamic actuator. The reinforced concrete reaction The force wall includes reaction wall one and reaction wall two at 90 °, and the steel reaction force platform is connected with the reinforced concrete reaction wall and the concrete floor by bolts. The dynamic actuator includes four horizontal dynamic actuators and four vertical dynamic actuators, the horizontal dynamic actuator one 3, the horizontal dynamic actuator two 4 and the reaction wall one 1 and The rigid cross-shaped loading beam 7 is connected by a support, and the connection mode is hinged. The horizontal dynamic actuator three 5 and the horizontal dynamic actuator four 6 are respectively connected with the reaction force wall two 2 and the rigid cross-shaped loading beam through supports, and the connection mode is articulated. Vertical dynamic actuator one 10, vertical dynamic actuator two 11, vertical dynamic actuator three 12, vertical dynamic actuator four 13 and steel reaction force platform 9 and rigid cross-shaped loading beam respectively through the support Seat connection, the connection method is hinged. And the joint between the lower end of the dynamic actuator and the steel reaction force platform is a ball hinge, which can complete the rotation of the dynamic actuator. Four horizontal dynamic actuators and four vertical dynamic actuators realize load control through coordinated linkage to realize load, displacement and strain control.

The steel reaction force platform is also provided with a detachable supporting steel frame 8, a cylindrical slide 16 is provided on the detachable supporting steel frame, a cylindrical shape, a circular through hole is provided on the sliding end, and each cylindrical slide A sliding end is sleeved and connected on the road, and the four ends of the rigid cross-shaped loading beam are respectively connected with a detachable sliding end 17 through bolts.

The lower end of the cylindrical slide is filled with a vibration-damping pad 18 to buffer and isolate the rigid cross-shaped loading beam when impacting the test piece and protect the dynamic actuator.

A detachable shock test damping protection device 19 is provided under the rigid cross-shaped loading beam, and a speed type damper is provided in the groove to reduce the vibration caused by the instantaneous destruction of the test piece.

The detachable shock test damping protection device is provided with a speed-dependent damper, which uses a viscous damper, which is composed of a cylinder, a piston and a fluid. The fluid can damp the relative movement of the piston and the cylinder and dissipate. Energy to reduce the vibration response generated when the specimen is impacted.

The steel reaction force platform and the reinforced concrete reaction force wall and the concrete floor are connected by bolts to resist slippage. The steel reaction force platform and the reaction force wall are provided with bolt holes, and the bolt hole spacing is 500mm × 500mm. The arrangement of the bolt holes is convenient for the experimental test piece It is connected with the system components and the steel reaction platform, and can be disassembled and replaced, increasing the recycling rate.

The bottom of the rigid cross-shaped loading beam is provided with a detachable wave wave simulation device, and the inside is filled with a viscous fluid. Below the rigid cross-shaped loading beam, there is a wave wave impact test platform 21.

The use process of the present invention is as follows:

The multi-dimensional dynamic and static loading system of the present invention is shown in FIG. 3, the experimental test piece is placed at the center under the rigid cross-shaped loading beam, the top of the test piece is connected to the central part of the bottom of the rigid cross-shaped loading beam, and the bottom of the test piece is reversed with steel The force platform is just connected, and eight dynamic actuators coordinately pull the rigid cross-shaped loading beam to load, which can carry out multi-dimensional static loading on structural members and systems. When a multi-dimensional dynamic loading test is required, the top of the test piece is rigidly connected to the center of the bottom of the rigid cross-shaped loading beam, the bottom of the test piece is just connected to the steel reaction force platform, and eight dynamic actuators coordinate the traction of the rigid cross-shaped loading beam for rapid Cyclic reciprocating loading can carry out multi-dimensional dynamic loading of structural components and systems. This function can carry out multi-dimensional static loading, low-cycle reciprocating loading, pseudo-dynamic loading, real-time hybrid simulation loading, dynamic low-amplitude fatigue loading and dynamic of shear walls, beams, columns, nodes, seismic isolation bearings and 2-3 layer structures Large-scale reciprocating loading and other tests can apply dynamic static loads such as tension, compression, bending, shear and torsion to simulate various boundary conditions.

As shown in FIG. 4, the dynamic impact loading system of the present invention disassembles the horizontal dynamic actuator connected to one side of the rigid cross-shaped loading beam, and the other side can be hung on the reaction force wall. After removing the four horizontal dynamic actuators, place the test specimen under the rigid cross-shaped load beam and fix it with the detachable shock test damping protection device by bolts. The detachable shock test damping protection device and the steel reaction force The platform is then fixed with bolts. The specific structure of the detachable rigid cross-shaped loading beam impact hammer head is shown in FIG. 6, the four ends of the rigid cross-shaped loading beam are connected to the sliding end connected to the cylindrical slide, and the rigid cross-shaped loading The impact hammer head is installed at the center of the bottom surface of the beam through bolts, and the penetration impact hammer head 14 used for the penetration impact test and the drop hammer impact head 15 used for the drop hammer impact test can be selected according to the test needs, wherein the impact The hammer head can be freely disassembled and replaced to simulate different impact conditions, and the hammer head can also be designed and installed according to the conditions required for the test. The specific detachable supporting steel frame is shown in Fig. 7, combined with the shape of the rigid cross-shaped loading beam and the requirements of the system to design a stable detachable supporting steel frame to prevent the rigid cross-shaped loading beam from becoming unstable during impact. The four ends of the detachable supporting steel frame are provided with a cylindrical slideway and a sliding sleeve connection of the four ends of the rigid cross-shaped beam. The sliding end is selectively connected to the four ends of the rigid cross-shaped loading beam according to the needs of use. Vibration-damping pads are filled on the lower side of the detachable support steel frame for isolation protection, and the detachable support steel frame and the steel reaction force platform are connected by bolts. After installing the detachable rigid cross-shaped load beam impact hammer head and detachable support steel frame, the vertical cross-type dynamic actuators are used to apply tension to the rigid cross-shaped load beam and the rigid cross-shaped load beam itself is gravity and is supported on the detachable support The combination of the steel frame and the detachable shock test damping protection device can carry out the vertical impact of the test piece to realize the dynamic impact test, and then simulate and analyze the damage caused by the vehicle or ship hitting the building.

As shown in FIG. 5, the ocean wave impact system of the present invention keeps four vertical dynamic actuators unchanged, disassembles the horizontal dynamic actuator connected to one side of the rigid cross-shaped loading beam, and the other side can be hung On the reactionary wall. The wave wave simulation device 20 is installed at the center of the bottom surface of the rigid cross-shaped loading beam, which is filled with a viscous fluid such as hydraulic oil, and the surface is wrapped with carbon fiber reinforced composite material to form a closed soft body. The beams are connected and the bottom is a flexible contact surface. The experimental test piece is fixed on the wave wave shock test piece platform by bolts and placed under the rigid cross-shaped loading beam, and the wave wave shock test piece platform and the steel reaction force platform are then connected and fixed by bolts. During the wave wave simulation test, four vertical dynamic actuators are controlled, and the rigid cross-shaped loading beam is used to make the software generate motion similar to the wave wave. When the test design requirements are met, the flexible contact surface at the bottom of the software collides with the test piece. Ocean wave shock simulation test.

The technical problem to be solved by the present invention is to overcome the inability of the existing test system to perform dynamic reciprocating loading test to study the dynamic hysteretic performance of large structural members and to simulate the dynamic mechanical behavior of large structural members under the action of actual earthquakes. Dynamic loading, static loading and The impact test function cannot be combined, and it cannot be freely disassembled and cannot simulate a variety of dynamic and static boundary conditions. In order to overcome the existing structural test system, it is difficult to simulate the large structural members, especially the lack of dynamic impact test and sea wave test For testing platform problems, the present invention provides a three-way six-degree-of-freedom servo loading system with reasonable structural design, high efficiency and convenience, free disassembly and assembly, and both dynamic and static test functions. It can load multi-dimensional static loading, multi-dimensional dynamic loading and simulated shock loading. The functions are effectively combined to provide a new type of dynamic static-detachable-multi-function test servo loading system. In particular, the multi-dimensional dynamic loading function of the system can realize the rapid hysteresis test research of scale models of structural members and structural systems.

The system can flexibly disassemble and assemble the loading system components, and can carry out static, pseudo-static, pseudo-dynamic, dynamic reciprocating loading, and dynamic impact tests of structural members and scale models of the structural system, and can carry out three-way six-degree-of-freedom pulling , Compressive, bending, shearing, twisting single working conditions and multiple working conditions coupled loading, simulating multiple boundary conditions, forming a dynamic and static combination, detachable multifunctional loading system, for the sea and land infrastructure to provide earthquake resistance and engineering structures and components It is of great significance to study impact resistance and provide reliable test services. Carry out dynamic and static test research on large-scale structural members and reduced-scale structural systems, promote the development of test technology, and provide a test research platform for seismic and impact tests of infrastructure engineering structures.

The following examples are used to illustrate the present invention and should not be considered as limiting the scope of the present invention. If no specific conditions are indicated in the examples, the conventional conditions or the conditions recommended by the manufacturer shall be followed. The reagents or instruments used do not indicate the manufacturer, are all conventional products that can be obtained through commercial purchase. It should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connected", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be The electrical connection can also be a direct connection or a connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Of course, the above content is only a preferred embodiment of the present invention and cannot be considered as limiting the scope of the embodiment of the present invention. The present invention is not limited to the above-mentioned examples. Equal changes and improvements made by those of ordinary skill in the art within the essential scope of the present invention shall fall within the patent coverage of the present invention.

Claims (13)

1. A dynamic and static multifunctional test servo loading system, characterized in that it includes a steel reaction force platform (9), a reaction force wall, a rigid cross-shaped loading beam (7) and a dynamic actuator. ° reaction force wall one (1) and reaction force wall two (2), the dynamic actuators include a number of horizontal dynamic actuators and a number of vertical dynamic actuators, the horizontal dynamic actuators are respectively It is connected to the reaction force wall and the rigid cross-shaped loading beam (7), and the vertical dynamic actuator is connected to the steel reaction force platform (9) and the rigid cross-shaped loading beam (7), respectively.
2. The dynamic and static multifunctional test servo loading system according to claim 1, wherein the steel reaction force platform (9) and the reaction force wall are provided with a plurality of bolt holes.
3. The dynamic and static multifunctional test servo loading system according to claim 1, characterized in that the dynamic actuator cooperates with the traction rigid cross-shaped loading beam (7) to monotonously load structural members and systems in multiple directions, It can realize multi-dimensional static loading.
4. The dynamic and static multifunctional test servo loading system according to claim 1, characterized in that: the eight dynamic actuators coordinately pull the rigid cross-shaped loading beam (7) to carry out rapid multi-direction on structural members and systems The cyclic reciprocating loading and unloading can realize multi-dimensional dynamic loading.
5. The dynamic and static multifunctional test servo loading system according to claim 1, characterized in that: the steel reaction force platform (9) is further provided with a detachable support steel frame (8), and the detachable support steel frame (8) A cylindrical slideway (16) is arranged on the cylindrical slideway (16), and a detachable sliding end is connected to the cylindrical slideway (16).
6. The dynamic and static multifunctional test servo loading system according to claim 5, characterized in that: the lower end of the cylindrical slideway (16) is filled with a damping pad (18).
7. The dynamic and static multifunctional test servo loading system according to claim 5, characterized in that: the bottom of the rigid cross-shaped loading beam (7) is provided with a detachable impact hammer head.
8. The dynamic and static multifunctional test servo loading system according to claim 7, wherein: the detachable impact hammer head includes a penetrating impact hammer head (14) and a falling hammer impact hammer head (15).
9. The dynamic and static multifunctional test servo loading system according to claim 1, characterized in that: the steel reaction force platform (9) is also provided with a detachable shock test damping protection device (19), detachable shock test A speed type damper is provided in the vibration protection device (19).
10. The dynamic and static multifunctional test servo loading system according to claim 7, characterized in that: the bottom of the rigid cross-shaped loading beam (7) is provided with a detachable impact hammer head, and the steel reaction force platform (9) is provided with a The detachable support steel frame (8) and the detachable shock test damping protection device (19), the four ends of the rigid cross-shaped loading beam (7) are connected to the detachable sliding end (17) of the detachable support steel frame (8), The detachable sliding head (17) is slidingly connected with the detachable steel frame cylindrical slide (16). Four horizontal dynamic actuators can be disassembled. After disassembly, the four vertical dynamic actuators cooperate with the rigid cross type The loading beam (7), the detachable supporting steel frame (8), the detachable impact hammer head and the detachable impact test damping protection device (19) can realize dynamic impact loading.
11. The dynamic and static multifunctional test servo loading system according to claim 1, characterized in that: a bottom of the rigid cross-shaped loading beam (7) is provided with a detachable wave wave simulation device (20).
12. The dynamic and static multifunctional test servo loading system according to claim 11, characterized in that: the steel reaction force platform (9) is provided with a wave wave impact test piece platform (21) and a rigid cross-shaped loading beam (7) The bottom is equipped with a wave wave simulation device (20). The wave wave simulation device (20) is filled with viscous fluid. Four horizontal dynamic actuators can be disassembled. After disassembly, the four vertical dynamic actuators cooperate with a rigid cross The type loading beam (7), the detachable supporting steel frame (8), the wave wave simulation device (20) and the wave wave shock test piece platform (21) can realize the wave wave shock loading.
13. The dynamic and static multifunctional test servo loading system according to any one of claims 1-12, characterized in that the steel reaction force platform (9), reaction force wall, rigid cross-shaped loading beam (7) and dynamic operation The connections between the actuators are all detachable, the detachable support steel frame (8), the detachable impact hammer head, the detachable shock test damping protection device (19), the wave wave simulation device (20), the wave wave shock The test piece platform (21) can carry out servo loading tests of different functions through disassembly and assembly.

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