A seismic test device for building engineering structure

Abstract

The utility model discloses a seismic test device for a building engineering structure, comprising a base plate, wherein a plurality of vibration members are symmetrically arranged on one side of the top of the base plate, the first screw is rotated counterclockwise and loosened, and the side plate and the slide rail are slid to the required positions respectively in cooperation with the U-shaped limiting hole, the first screw is rotated clockwise to fix the side plate and the slide rail, and then the slide arm is slid to the required position in the slide rail, and the second screw is fixed to the slide arm through the screw hole on the inner side of the slide rail, and the respective support screws are rotated after holding the rotary handle to drive the support screws to descend to the position where the floor mats at the bottom of the tripod fully contact the ground, and finally the building engineering structure is placed on the top of the top plate, and the vibration motor is turned on to carry out a vibration test in cooperation with the vibration member, which can effectively expand the contact area between the device and the ground during use, thereby reducing the shaking amplitude of the device when conducting experiments on a building structure with a large deadweight, thereby reducing safety hazards.

Description

Technical Field

[0001] The utility model belongs to the technical field of building engineering structure testing, and in particular relates to a building engineering structure earthquake resistance testing device. Background Art

[0002] The seismic test of building engineering structures is an important research activity, which aims to improve the resistance of building structures in earthquakes and reduce the damage that may be caused by earthquakes. The experiment is crucial to ensure the safety of building structures in earthquakes. Through these experiments, we can continuously promote the advancement of construction technology and protect people’s lives and property.

[0003] The area in which the bottom of some existing building engineering structure seismic test devices contacts the ground is generally relatively fixed. When the building structure placed on the top of the device has a large deadweight, the load on the top of the device is lifted, and when the vibration motor is turned on for vibration, the top-heavy and bottom-light state of the device can easily lead to a decrease in stability, posing certain safety hazards. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a seismic test device for building engineering structures to solve the problem proposed in the above background technology that the contact area between the bottom of some existing seismic test devices for building engineering structures and the ground is generally relatively fixed. When the dead weight of the building structure placed on the top of the device is large, the load on the top of the device is lifted, and when the vibration motor is turned on for vibration, the state of the device being heavy on top and light on the bottom can easily lead to a decrease in stability, which poses certain safety hazards.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a seismic test device for a building engineering structure, comprising a base plate, a plurality of vibration members symmetrically arranged on one side of the top of the base plate, the tops of the vibration members are fixedly connected to the top plate, the bottom of the top plate is fixedly connected to a vibration motor, a first screw is threadedly connected to one side of the inner side of the base plate, the first screw is symmetrically arranged in a plurality of ways, the outer sides of the first screws are movably connected to side plates through limiting holes, one side of the side plates are fixedly connected to slide rails, the inner sides of the slide rails are threadedly connected to second screws, the outer sides of the second screws are movably connected to slide arms through screw holes, one side of the slide arms are fixedly connected to a cross frame, the inner side of the cross frame is threadedly connected to support screws, the support screws are symmetrically arranged in a plurality of ways, the outer sides of the bottom ends of the support screws are fixedly connected to bearings, and the bottoms of the bearings are fixedly connected to tripods.

[0006] Preferably, the bottom of the tripod is fixedly connected to a floor mat, the floor mat is made of a flexible material, and the top of the tripod is fixedly connected to a bearing.

[0007] Preferably, the top end of the support screw is fixedly connected with a rotary handle, and the outer side of the support screw is threadedly connected with a cross frame.

[0008] Preferably, the limiting holes are all U-shaped structures, the inner sides of the limiting holes are movably connected to the first screw rods, and the outer sides of the first screw rods are threadedly connected to the bottom plate.

[0009] Preferably, a guard frame is fixedly connected to the top of the top plate, and a vibration member is fixedly connected to one side of the bottom of the top plate.

[0010] Preferably, a gasket is movably connected to the outer side of the top end of the second screw rod, and a slide rail is threadedly connected to the outer side of the second screw rod.

[0011] Preferably, a bracket is fixedly connected to one side of the bottom plate, and a plurality of the brackets are symmetrically arranged. The brackets are all triangular structures, and the tops of the brackets are slidably connected to sliding arms.

[0012] Preferably, the bottom of the slide rail is fixedly connected with a slide bar, the slide bar is a T-shaped structure, and the outer side of the slide bar is slidably connected with a bottom plate.

[0013] Compared with the prior art, the utility model provides a construction engineering structure seismic test device, which has the following beneficial effects:

[0014] 1. The utility model provides a sliding arm, one side of the sliding arm is fixedly connected to a cross frame, the inner side of the cross frame is threadedly connected to a support screw, the outer side of the bottom end of the support screw is fixedly connected to a bearing, the bottom of the bearing is fixedly connected to a tripod, and the bottom of the tripod is fixedly connected to a floor mat. The first screw is rotated counterclockwise and loosened, and the side piece and the slide rail are respectively slid to the desired position in cooperation with the U-shaped limiting hole, the first screw is rotated clockwise to fix the side piece and the slide rail, and then the sliding arm is slid to the desired position in the slide rail, and the second screw is fixed to the slide arm through the screw hole on the inner side of the slide rail, and the rotating handle is held and each support screw is rotated to drive the support screw to descend to a position where the floor mat at the bottom of the tripod fully contacts the ground. Finally, the building engineering structure is placed on the top of the top plate, and the vibration motor is turned on to cooperate with the vibration member to perform a vibration test, which can effectively expand the contact area between the device and the ground during use, thereby reducing the shaking amplitude of the device when conducting experiments behind a building structure with a large deadweight, thereby reducing safety hazards.

[0015] 2. The utility model provides a rotating handle, the bottom of which is fixedly connected to a support screw, and the outer side of the support screw is threadedly connected to a cross frame, which can effectively facilitate personnel to directly hold and rotate;

[0016] 3. The utility model provides a gasket, the inner side of which is movably connected to the second screw, and the outer side of which is threadedly connected to the slide rail, which can effectively reduce the looseness of the second screw during long-term use and ensure the stability of the second screw.

[0017] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model has a scientific and reasonable structure, is safe and convenient to use, and provides great help to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 This is a schematic diagram of the axonometric structure of a building engineering structure seismic test device proposed by the utility model;

[0020] Figure 2 for Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0021] Figure 3 This is a schematic diagram of the axonometric structure of a slide rail of a building engineering structure seismic test device proposed by the utility model;

[0022] Figure 4 This is a front view structural schematic diagram of a building engineering structure seismic test device proposed by the utility model;

[0023] Figure 5 This is a side structural schematic diagram of a building engineering structure seismic test device proposed by the utility model;

[0024] Figure 6 This is a schematic diagram of the top view of a seismic test device for a building engineering structure proposed by the utility model;

[0025] In the figure: bottom plate 1, vibration part 2, top plate 3, vibration motor 4, first screw 5, limit hole 6, side plate 7, slide rail 8, second screw 9, screw hole 10, slide arm 11, cross frame 12, support screw 13, bearing 14, tripod 15, floor mat 16, bracket 17, gasket 18, rotary handle 19, slide bar 20, guard frame 21. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-6The utility model provides a technical solution: a seismic test device for a building engineering structure, comprising a bottom plate 1, a plurality of vibration members 2 are symmetrically arranged on one side of the top of the bottom plate 1, the top of the vibration members 2 are fixedly connected to the top plate 3, the bottom of the top plate 3 is fixedly connected to a vibration motor 4, a first screw rod 5 is threadedly connected to one side of the inside of the bottom plate 1, the first screw rod 5 is symmetrically arranged by a plurality of, the outer side of the first screw rod 5 is movably connected to a side plate 7 through a limiting hole 6, one side of the side plate 7 is fixedly connected to a slide rail 8, the inner side of the slide rail 8 is threadedly connected to a second screw rod 9, the outer side of the second screw rod 9 is movably connected to a slide arm 11 through a screw hole 10, one side of the slide arm 11 is fixedly connected to a cross frame 12, the inner side of the cross frame 12 is threadedly connected to a support screw 13, the support screw 13 is symmetrically arranged, and the outer side of the bottom end of the support screw 13 is fixedly connected to a bearing 14, the bearing 14 are all fixedly connected with the tripod 15 at the bottom, rotate counterclockwise and loosen the first screw 5, cooperate with the U-shaped limiting hole 6 to slide the side plate 7 and the slide rail 8 to the desired position respectively, rotate the first screw 5 clockwise to fix the side plate 7 and the slide rail 8, and then slide the slide arm 11 to the desired position in the slide rail 8, and fix the slide arm 11 through the screw hole 10 on the inner side of the slide rail 8, hold the handle 19 and rotate each support screw 13 to drive the support screw 13 to descend to the position where the floor mat 16 at the bottom of the tripod 15 fully contacts the ground, and finally place the building engineering structure on the top of the top plate 3, turn on the vibration motor 4 and cooperate with the vibration member 2 to carry out the vibration test, which can effectively expand the contact area between the device and the ground during use, thereby reducing the shaking amplitude of the device when conducting experiments on the building structure with a large deadweight, thereby reducing safety hazards.

[0028] In the present invention, preferably, the bottom of the tripod 15 is fixedly connected to a floor mat 16, and the floor mat 16 is made of flexible material. The top of the tripod 15 is fixedly connected to a bearing 14, which can effectively reduce the wear of the desktop caused by the supporting process.

[0029] In the present invention, preferably, the top of the support screw 13 is fixedly connected with a rotation handle 19, and the outer side of the support screw 13 is threadedly connected with a cross frame 12, which can effectively facilitate personnel to directly hold and rotate.

[0030] In the present invention, preferably, the limiting holes 6 are all U-shaped structures, the inner sides of the limiting holes 6 are movably connected with the first screw rods 5, and the outer sides of the first screw rods 5 are threadedly connected with the bottom plate 1, which effectively improves the travel of the slide rails 8 in the horizontal position.

[0031] In the present invention, preferably, a protective frame 21 is fixedly connected to the top of the top plate 3, and a vibration member 2 is fixedly connected to one side of the bottom of the top plate 3, which effectively reduces the scattering amplitude after the structure disintegrates.

[0032] In the utility model, preferably, the outer side of the top end of the second screw rod 9 is movably connected with a gasket 18, and the outer side of the second screw rod 9 is threadedly connected with a slide rail 8, which can effectively reduce the loosening amplitude of the second screw rod 9 during long-term use.

[0033] In the utility model, preferably, a bracket 17 is fixedly connected to one side of the bottom plate 1, and a plurality of brackets 17 are symmetrically arranged. The brackets 17 are all triangular structures, and the tops of the brackets 17 are slidably connected to the sliding arms 11, which effectively improves the stability of the sliding arms 11 during use.

[0034] In the present invention, preferably, the bottom of the slide rail 8 is fixedly connected with a slide bar 20 , the slide bar 20 is a T-shaped structure, and the outer side of the slide bar 20 is slidably connected with the bottom plate 1 , which effectively ensures the stability of the slide rail 8 .

[0035] The working principle and use process of the utility model are as follows: when in use, rotate and loosen the first screw 5 counterclockwise, cooperate with the U-shaped limiting hole 6 to slide the side plate 7 and the slide rail 8 to the desired position respectively, rotate the first screw 5 clockwise to fix the side plate 7 and the slide rail 8, and then slide the slide arm 11 to the desired position in the slide rail 8, and fix the slide arm 11 through the screw hole 10 on the inner side of the slide rail 8 with the second screw 9, hold the rotary handle 19 and rotate each support screw 13 to drive the support screw 13 to descend to the position where the floor mat 16 at the bottom of the tripod 15 fully contacts the ground, and finally place the building structure on the top of the top plate 3, turn on the vibration motor 4 and cooperate with the vibration member 2 to perform a vibration test, which can effectively expand the contact area between the device and the ground during use, thereby reducing the shaking amplitude of the device when conducting experiments on a building structure with a large deadweight, thereby reducing safety hazards.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A building engineering structure seismic test device, comprising a base plate (1), characterized in that: A plurality of vibration members (2) are symmetrically arranged on one side of the top of the bottom plate (1), the top of each vibration member (2) is fixedly connected to a top plate (3), the bottom of each top plate (3) is fixedly connected to a vibration motor (4), a first screw rod (5) is threadedly connected to one side of the inside of the bottom plate (1), the first screw rod (5) is symmetrically arranged to consist of a plurality of first screw rods (5), the outer side of each first screw rod (5) is movably connected to a side plate (7) through a limiting hole (6), one side of each side plate (7) is fixedly connected to a slide rail (8), and the slide rail ( 8) The inner side is threadedly connected with a second screw rod (9), the outer side of the second screw rod (9) is movably connected with a slide arm (11) through a screw hole (10), one side of the slide arm (11) is fixedly connected with a cross frame (12), the inner side of the cross frame (12) is threadedly connected with a support screw rod (13), a plurality of the support screw rods (13) are symmetrically arranged, the outer side of the bottom end of the support screw rod (13) is fixedly connected with a bearing (14), and the bottom of the bearing (14) is fixedly connected with a tripod (15).

2. A building engineering structure seismic test device according to claim 1, characterized in that: The bottom of the tripod (15) is fixedly connected to a floor mat (16), and the floor mat (16) is made of a flexible material. The top of the tripod (15) is fixedly connected to a bearing (14).

3. The construction engineering structure seismic test device according to claim 1, characterized in that: The top end of the support screw rod (13) is fixedly connected with a rotary handle (19), and the outer side of the support screw rod (13) is threadedly connected with a cross frame (12).

4. The construction engineering structure seismic test device according to claim 1, characterized in that: The limiting holes (6) are all U-shaped structures, the inner sides of the limiting holes (6) are movably connected to the first screw rods (5), and the outer sides of the first screw rods (5) are threadedly connected to the bottom plate (1).

5. The construction engineering structure seismic test device according to claim 1, characterized in that: The top of the top plate (3) is fixedly connected to a protective frame (21), and one side of the bottom of the top plate (3) is fixedly connected to a vibration component (2).

6. The construction engineering structure seismic test device according to claim 1, characterized in that: The outer side of the top end of the second screw rod (9) is movably connected to a gasket (18), and the outer side of the second screw rod (9) is threadedly connected to a slide rail (8).

7. The construction engineering structure seismic test device according to claim 1, characterized in that: A bracket (17) is fixedly connected to one side of the bottom plate (1), and a plurality of brackets (17) are symmetrically arranged. The brackets (17) are all triangular structures, and the tops of the brackets (17) are slidably connected to sliding arms (11).

8. The construction engineering structure seismic test device according to claim 1, characterized in that: The bottom of the slide rail (8) is fixedly connected to a slide bar (20), the slide bar (20) is a T-shaped structure, and the outer side of the slide bar (20) is slidably connected to a bottom plate (1).

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