Concrete shear wall parameter detection equipment

Abstract

The utility model provides a concrete shear wall parameter detection device, which belongs to the technical field of shear wall parameter detection, and comprises a support base and a fixing assembly, a plurality of groups of first hydraulic cylinders are arranged on the support base, each first hydraulic cylinder is divided into a first working area and a second working area, and the fixing assembly is connected with a motor seat at the top of the first hydraulic cylinder. A motor shaft end on the motor is connected with the fixing assembly; the fixing assembly can be switched between the parallel state and the vertical state, a crane is arranged above the supporting base, and a falling block is installed on the crane. And an impactor is arranged above the supporting base, is connected with the supporting base and is provided with an impact hammer. The device changes the state of the fixing assembly by switching the working area of the first hydraulic cylinder, and carries out impact detection in different modes. In the first working area, a crane and a falling block are used for simulating vertical impact; in the second working area, horizontal external force is simulated through the impacter and the impact hammer, the shear wall is detected in multiple directions, comprehensive data are obtained, and the performance of the shear wall is accurately evaluated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to shear wall parameter detection technical field, more specifically, especially relate to a concrete shear wall parameter detection equipment. BACKGROUND

[0002] Shear wall as the key part of building structure, bears the heavy responsibility of resisting horizontal and vertical load, in order to ensure the stability and safety of shear wall under various working conditions, multiple parameter detection is needed, and shear wall impact resistance detection is one of them, in the detection process, in order to ensure the accuracy of detection data, shear wall parameter detection equipment must be used.

[0003] Such as patent number CN202322095074.5 Chinese utility model patent, provides a kind of concrete shear wall parameter detection equipment, the device is cooperated by positioning structure, impact protection structure and waste collection assembly, realizes to shear wall sample accurate detection, protection and waste collection.But, the detection equipment of existing only can impact detection to shear wall sample in single side direction, cannot be converted in multidirectional impact, it is easy to lead to detection data not comprehensive, it is difficult to accurately evaluate the real performance of shear wall under complex stress environment, affect building structure safety judgment. UTILITY MODEL CONTENT

[0004] In order to solve the above technical problems, the utility model provides a kind of concrete shear wall parameter detection equipment to solve the technical problems that the detection equipment of existing only can impact detection to shear wall sample in single side, cannot be converted in multidirectional, it is easy to lead to detection data not comprehensive in prior art.

[0005] The purpose and effect of the concrete shear wall parameter detection equipment of the utility model are achieved by the following specific technical means:

[0006] A kind of concrete shear wall parameter detection equipment, including support base and the fixed assembly for fixing shear wall sample, the support base is provided with multiple groups of first hydraulic cylinder, the first hydraulic cylinder is divided into first working area and second working area, motor base is arranged on the top of the first hydraulic cylinder, the fixed assembly is rotatably connected with multiple motor bases, motor is arranged on the motor base, and the motor shaft end is connected with the fixed assembly;

[0007] The first hydraulic cylinder is located in the first working area, the fixed assembly is in parallel state, a crane is arranged above the support base, and a falling block is installed on the crane.

[0008] The first hydraulic cylinder is located in the second working area, the fixed assembly is in a vertical state, an impactor is arranged above the support base, the impactor is slidably connected with the support base through a sliding rail structure, and an impact hammer is arranged on the impactor.

[0009] According to a preferred embodiment, the fixed assembly comprises a fixed frame, connecting columns are arranged on both sides of the fixed frame, the connecting columns are arranged in the motor base, the fixed frame is rotatably connected with the motor base through the connecting columns, and the motor shaft end is connected with the connecting column.

[0010] A plurality of fixed members are arranged above the fixed frame, a plurality of fixed blocks are arranged on both sides of the fixed frame, fixed plates are arranged on both sides of the fixed block, and the fixed members are clamped between the fixed plates.

[0011] According to a preferred embodiment, a fixed hole is arranged on both ends of the fixed member and the fixed block, a fixed pin is arranged in a plurality of fixed holes, the fixed member is detachably connected with the fixed frame, the shear wall template is clamped in the fixed frame and located between the fixed frame and a plurality of fixed members.

[0012] According to a preferred embodiment, a movable groove is arranged in the fixed frame, a connecting sleeve is arranged in the movable groove, and a pressure sensor is arranged in the connecting sleeve.

[0013] A movable member is arranged in the movable groove and can move up and down in the connecting sleeve, one end of the movable member can contact the pressure sensor, and the bottom surface of the shear wall template contacts the top of the movable member.

[0014] A spring is arranged between the movable member and the bottom of the movable groove, and the spring is sleeved on the connecting sleeve.

[0015] According to a preferred embodiment, a moving frame is arranged above the support base, the moving frame is slidably connected with the support base through the sliding rail structure, the sliding rail structure is divided into a working area and a waiting area, and the moving frame is located in the working area.

[0016] A plurality of second hydraulic cylinders are arranged on the moving frame, an installation box is arranged at the top of the second hydraulic cylinder, an electromagnet is arranged in the installation box, a plurality of supporting columns are arranged at the bottom of the fixed frame, a magnetic suction block is arranged at one end of the supporting column, and the electromagnet can contact the magnetic suction block.

[0017] According to a preferred embodiment, a supporting rod is arranged on the moving frame, a stabilizing plate is arranged at one end of the supporting rod, and the stabilizing plate can contact the fixed assembly when the fixed assembly is in a vertical state.

[0018] The center point of the impact hammer on the impactor is aligned with the center point of the stable plate.

[0019] According to a preferred embodiment, a support frame is arranged above the support base, and the crane is mounted on the support frame and located directly above the fixed assembly.

[0020] First and second mounting frames are arranged on the support frame, and each of the first and second mounting frames is provided with a visual camera.

[0021] Compared with the prior art, the utility model has the beneficial effects that:

[0022] 1. The device is provided with multiple groups of first hydraulic cylinders, which are divided into a first working area and a second working area, and can switch the state of the fixed assembly. When the first hydraulic cylinder is in the first working area, the fixed assembly is in a parallel state, cooperates with the crane and the falling block above the support base, and can realize impact detection from top to bottom; at the same time, the situation that the building is subjected to a vertical impact force in actual use can be simulated, such as the influence of a heavy object falling on a shear wall; and when the first hydraulic cylinder is in the second working area, the fixed assembly becomes a vertical state, the impactor above the support base slides through a sliding rail structure, and impact detection is carried out from the side by using an impact hammer, so that the horizontal external force action, such as a strong wind or a horizontal load caused by an earthquake, is simulated.

[0023] 2. During the detection process, the moving frame and multiple groups of second hydraulic cylinders arranged above the support base cooperate with the electromagnet in the mounting box and the magnetic suction block at the bottom of the fixed frame, so that the position of the fixed assembly can be accurately adjusted before detection, and the accuracy and repeatability of each impact detection are ensured; the support rod and the stable plate on the moving frame can stably support the fixed assembly when the fixed assembly is in a vertical state, so that the impact detection process is more stable, and the reliability of the detection data is further improved. At the same time, the crane and the visual camera mounted on the support frame above the support base, the crane can control the height and release timing of the falling block, so as to ensure the stable input of impact energy; and the visual camera can record the deformation, crack generation and expansion of the shear wall sample during the impact process in real time, so as to provide intuitive image data for subsequent data analysis. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a structure schematic view of the utility model after assembly;

[0025] Figure 2 is a structure schematic view of the utility model after disassembly;

[0026] Figure 3 is a structure schematic view of the fixed assembly after disassembly;

[0027] Figure 4 is the structure diagram of the connecting sleeve and the movable part after being split;

[0028] Figure 5 is the bottom view of the fixed assembly.

[0029] In the figure, the corresponding relationship between the component name and the reference sign is as follows:

[0030] 11, support base; 12, first hydraulic cylinder; 13, motor base; 14, motor; 21, shear wall template; 22, moving frame; 23, second hydraulic cylinder; 24, installation box; 25, electromagnet; 26, support column; 27, magnetic attraction block; 31, crane; 32, falling block; 33, impactor; 34, impact hammer; 35, support frame; 41, fixed frame; 42, connecting column; 43, fixed part; 44, fixed block; 45, fixed plate; 46, movable groove; 47, connecting sleeve; 48, pressure sensor; 49, movable part; 51, first installation frame; 52, second installation frame; 53, support rod; 54, stabilizing plate; 55, visual camera. DETAILED DESCRIPTION

[0031] The embodiments of the present application will be further described in detail below with reference to the drawings and examples. The following examples are used to illustrate the technical scheme of the present application, but cannot be used to limit the protection scope of the present application.

[0032] Example:

[0033] As Figures 1 to 5As shown, the utility model provides a kind of concrete shear wall parameter detection equipment, including support base 11 and the fixed assembly for fixing shear wall sample plate 21, support base 11 plays the role of foundation support, multiple groups of first hydraulic cylinder 12 are provided on it.This first hydraulic cylinder 12 is divided into first working area and second working area, and different working areas correspond to different detection states.The top of first hydraulic cylinder 12 is equipped with motor base 13, and fixed assembly and multiple motor bases 13 can be rotatably connected.Equipped with motor 14 on motor base 13, the shaft end of motor 14 is directly connected with fixed assembly.When first hydraulic cylinder 12 is in first working area, fixed assembly will present parallel state.At this time, crane 31 above support base 11 plays a role, and drop block 32 is installed on crane 31.During detection, drop block 32 falls from high place, and impacts shear wall sample plate 21 fixed on fixed assembly, to simulate the situation that building is subjected to vertical impact force in actual use process, for example, the influence of building internal heavy object accidental falling on shear wall.And when first hydraulic cylinder 12 is located in second working area, fixed assembly becomes vertical state, at this time, impactor 33 above support base 11 starts working.Impactor 33 adopts force storage principle, and accumulates energy by internal energy storage device.It is slidably connected with support base 11 by slide rail structure, and can move flexibly on slide rail.Impact hammer 34 provided on impactor 33 will move along slide rail, and continuously accumulates force during movement.When moving to appropriate position, it can contact with shear wall sample plate 21, and then release force.Impact hammer 34 impacts on shear wall sample plate 21, simulates the horizontal impact force that shear wall can suffer in actual use, and then detects the performance of shear wall sample plate 21 under this impact, and obtains corresponding detection data.

[0034] As Figures 2 to 5 Shown, fixed assembly is mainly composed of fixed frame 41, and fixed frame 41 is the basic structure of bearing and fixing shear wall sample plate 21, and connecting column 42 is provided on both sides of fixed frame 41, and these connecting columns 42 are provided in motor base 13, so that fixed frame 41 is rotatably connected with motor base 13 through connecting column 42.Motor 14 on motor base 13, the shaft end is connected with connecting column 42, and motor 14 can drive connecting column 42 to rotate after starting, and then make fixed frame 41 realize rotation, conveniently adjust the angle of fixed frame 41, and switch different detection modes.

[0035] A plurality of fixing members 43 are arranged above the fixing frame 41, and a plurality of fixing blocks 44 are arranged on both sides of the fixing frame 41, and a fixing plate 45 is arranged on both sides of each fixing block 44, and the two ends of the fixing member 43 are clamped between the fixing plates 45. The two ends of the fixing member 43 are provided with fixing holes on the fixing block 44, and the fixing bolt is arranged in the fixing holes, so that the fixing member 43 and the fixing frame 41 are connected, and the detachable connection mode facilitates the replacement of different fixing members 43 according to the size and type of the shear wall sample 21, and the shear wall sample 21 is clamped in the fixing frame 41 and between the fixing frame 41 and the plurality of fixing members 43, thereby achieving stable fixing of the shear wall sample 21.

[0036] The fixing frame 41 is also provided with a movable groove 46, and the movable groove 46 is provided with a connecting sleeve 47, and the connecting sleeve 47 is provided with a pressure sensor 48. The movable groove 46 is also provided with a movable member 49, and the movable member 49 is arranged in the connecting sleeve 47 and can move up and down in the connecting sleeve 47. One end of the movable member 49 can contact the pressure sensor 48, and the bottom surface of the shear wall sample 21 contacts the top of the movable member 49. A spring is arranged between the movable member 49 and the bottom of the movable groove 46, and the spring is sleeved on the connecting sleeve 47. When the shear wall sample 21 is impacted, the impact force is transmitted to the movable member 49, the movable member 49 moves downward, the spring is pressed, and the pressure is transmitted to the pressure sensor 48, so that the pressure sensor 48 can record the pressure data, which provides an important basis for detecting the performance of the shear wall sample 21. The pressure sensor 48 can be a Honeywell STG800 pressure sensor.

[0037] As shown in Figure 2 , Figure 5 , the support base 11 is provided with a moving frame 22 above, and the moving frame 22 is connected with the support base 11 through a slide rail structure and can slide along the slide rail. The slide rail structure is divided into a working area and a waiting area, and the moving frame 22 is usually in the working area during actual detection. A plurality of second hydraulic cylinders 23 are arranged on the moving frame 22, and a mounting box 24 is arranged on the top of the second hydraulic cylinder 23, and an electromagnet 25 is arranged in the mounting box 24. A plurality of support columns 26 are arranged at the bottom of the fixing frame 41, and a magnetic block 27 is arranged at one end of the support column 26. When the position of the fixing frame 41 needs to be adjusted, the second hydraulic cylinder 23 is started to push the mounting box 24 to rise or fall, so that the electromagnet 25 approaches or moves away from the magnetic block 27. After the electromagnet 25 is electrified to generate magnetism and contacts the magnetic block 27, the position of the fixing frame 41 can be finely adjusted to ensure that the detection process is more stable.

[0038] The support rod 53 is provided with a stable plate 54 at one end, when the fixed assembly is in a vertical state, the stable plate 54 can be in contact with the fixed assembly, and can provide additional support for the fixed assembly when the side impact detection of the fixed assembly is carried out, so as to prevent the fixed assembly from shaking during the impact process. At the same time, the center point of the impact hammer 34 on the impact device 33 is aligned with the center point of the stable plate 54, so that when the impact hammer 34 impacts the shear wall sample 21 on the fixed assembly, the impact force can be more uniformly applied to the sample, thereby improving the reliability of the detection result.

[0039] In addition, a support frame 35 is further arranged above the support base 11, and the crane 31 is arranged on the support frame 35 and located directly above the fixed assembly. When the top-down impact detection is carried out, the crane 31 can control the height and release timing of the falling block 32. At the same time, the support frame 35 is provided with a first mounting frame 51 and a second mounting frame 52, and the visual camera 55 is arranged on the first mounting frame 51 and the second mounting frame 52. The visual camera 55 can record the state of the shear wall sample 21 in real time during the detection process, such as the deformation of the sample during the impact process, the generation and expansion process of the crack, etc., so as to provide intuitive image data for subsequent data analysis, which is helpful to more comprehensively understand the performance of the shear wall sample 21. The visual camera 55 can adopt a Daheng image MER-500-79U3C visual camera.

[0040] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments.

Claims

1. A concrete shear wall parameter testing device, comprising a support base (11) and a fixing assembly for fixing a shear wall template (21), characterized in that: The support base (11) is provided with multiple sets of first hydraulic cylinders (12). The first hydraulic cylinder (12) is divided into a first working area and a second working area. The top of the first hydraulic cylinder (12) is provided with a motor seat (13). The fixing component is rotatably connected to the multiple sets of motor seats (13). The motor seat (13) is provided with a motor (14). The shaft end of the motor (14) is connected to the fixing component. The first hydraulic cylinder (12) is located in the first working area, the fixing component is in a parallel state, a crane (31) is provided above the support base (11), and a drop block (32) is installed on the crane (31); The first hydraulic cylinder (12) is located in the second working area. The fixing component is in a vertical state. An impactor (33) is provided above the support base (11). The impactor (33) is slidably connected to the support base (11) through a slide rail structure. An impact hammer (34) is provided on the impactor (33).

2. The concrete shear wall parameter testing device according to claim 1, characterized in that: The fixing component includes a fixing frame (41), and connecting columns (42) are provided on both sides of the fixing frame (41). The connecting columns (42) are inserted into the motor base (13). The fixing frame (41) is rotatably connected to the motor base (13) through the connecting columns (42). The shaft end of the motor (14) is connected to the connecting columns (42). Multiple sets of fasteners (43) are provided on the top of the fixed frame (41), and multiple sets of fixing blocks (44) are provided on both sides of the fixed frame (41). Fixing plates (45) are provided on both sides of the fixing blocks (44), and the two ends of the fasteners (43) are engaged between the fixing plates (45).

3. The concrete shear wall parameter testing device according to claim 2, characterized in that: Fixing holes are provided at both ends of the fixing member (43) and on the fixing block (44). Fixing bolts are inserted into multiple sets of fixing holes. The fixing member (43) is detachably connected to the fixing frame (41). The shear wall template (21) is inserted into the fixing frame (41) and located between the fixing frame (41) and multiple sets of fixing members (43).

4. The concrete shear wall parameter testing device according to claim 3, characterized in that: The fixed frame (41) has a movable groove (46) inside, a connecting sleeve (47) is provided inside the movable groove (46), and a pressure sensor (48) is provided inside the connecting sleeve (47). The movable slot (46) is provided with a movable part (49), which passes through the connecting sleeve (47) and can move up and down. One end of the movable part (49) can contact the pressure sensor (48), and the bottom surface of the shear wall template (21) contacts the top of the movable part (49). A spring is provided between the movable part (49) and the bottom of the movable groove (46), and the spring is sleeved on the connecting sleeve (47).

5. The concrete shear wall parameter testing device according to claim 2, characterized in that: A movable frame (22) is provided above the support base (11). The movable frame (22) is slidably connected to the support base (11) through the slide rail structure. The slide rail structure is divided into a working area and a waiting area. The movable frame (22) is located in the working area. The movable frame (22) is provided with multiple sets of second hydraulic cylinders (23), and the top of the second hydraulic cylinder (23) is provided with a mounting box (24). An electromagnet (25) is provided inside the mounting box (24). The bottom of the fixed frame (41) is provided with multiple sets of support columns (26). A magnetic block (27) is provided at one end of the support column (26). The electromagnet (25) can contact the magnetic block (27).

6. The concrete shear wall parameter testing device according to claim 5, characterized in that: The movable frame (22) is provided with a support rod (53), and a stabilizing plate (54) is provided at one end of the support rod (53). When the fixing component is in a vertical position, the stabilizing plate (54) can contact the fixing component. The center point of the impact hammer (34) on the impactor (33) is aligned with the center point of the stabilizing plate (54).

7. The concrete shear wall parameter testing device according to claim 1, characterized in that: A support frame (35) is provided above the support base (11), and the crane (31) is installed on the support frame (35) and located directly above the fixing component; The support frame (35) is provided with a first mounting frame (51) and a second mounting frame (52), and both the first mounting frame (51) and the second mounting frame (52) are provided with a visual camera (55).

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