Seismic performance testing device for roll welding spiral stirrup concrete frame column

Abstract

The utility model provides a roll welding spiral stirrup concrete frame column anti-seismic performance testing device, and relates to the technical field of anti-seismic testing, the roll welding spiral stirrup concrete frame column anti-seismic performance testing device comprises a base, the top of the base is fixedly provided with a supporting seat; a guide column is fixedly mounted on the outer side of the top of the supporting seat; a test seat is mounted on the guide column in a sleeving and sliding manner; a limiting piece is fixedly mounted on the outer side of the top of the test seat; a contraction groove is formed in the outer wall of the limiting piece; a driven part is slidably mounted in the contraction groove; and a clamping plate is fixedly mounted at the inner end of the driven part. The frame column can be more smoothly and accurately placed on the test seat through the matching of the guide piece and the inclined surface of the limiting piece, compared with the direct hoisting placement, the placing difficulty is reduced, the working efficiency is improved, and the problems that the frame column always swings during hoisting and the space of the test platform is limited are solved. And the frame column is inconvenient to accurately and conveniently install on the test platform.

Description

Technical Field

[0001] This utility model relates to the field of seismic testing technology, and in particular to a seismic performance testing device for a concrete frame column with roll-welded spiral stirrups. Background Technology

[0002] Roll-welded spiral stirrup concrete frame columns play an important role in building construction. Their seismic performance is directly related to the safety and stability of the building. Therefore, after the production of roll-welded spiral stirrup concrete frame columns, it is necessary to use seismic performance testing equipment to accurately evaluate their seismic capacity to ensure that they can withstand the impact of natural disasters such as earthquakes.

[0003] Existing seismic performance testing devices require the welded spiral stirrup concrete frame columns to be hoisted onto the device's testing platform before testing. The columns must then be positioned in multiple directions. However, the columns often sway during hoisting, and the testing platform itself has limited space, making it difficult to accurately and conveniently install the columns. Furthermore, most of the positioning mechanisms used for multi-directional positioning in existing devices are separate units, requiring operators to manipulate each of these individual units, resulting in cumbersome and inefficient procedures. Summary of the Invention

[0004] This disclosure relates to a seismic performance testing device for a welded spiral stirrup concrete frame column. It requires only manual rotation of a screw rod to control the upward movement of a jacking ring. The jacking ring, through structural cooperation, moves multiple clamping plates inward, allowing them to clamp and position the welded spiral stirrup concrete frame column in all directions. This not only ensures the positioning stability of the welded spiral stirrup concrete frame column but also avoids the cumbersome positioning issues caused by too many positioning mechanisms. By using a guide with an inverted conical structure and a limiting component with an inclined top, the welded spiral stirrup concrete frame column can be placed on the test base with the assistance of the inclined surfaces of the guide and limiting components during hoisting. Compared to directly hoisting and placing the welded spiral stirrup concrete frame column, this reduces the difficulty of placement, improves placement efficiency, and reduces the time spent on preparatory work before seismic performance testing.

[0005] In a first aspect, this disclosure provides a seismic performance testing device for a welded spiral stirrup concrete frame column, specifically comprising: a base, a support seat fixedly installed on the top of the base; a guide column fixedly installed on the outer side of the top of the support seat; a test seat slidably installed on the guide column; a limiting member fixedly installed on the outer side of the top of the test seat; a contraction groove formed on the outer wall of the limiting member; a driven member slidably installed inside the contraction groove; a clamping plate fixedly installed at the inner end of the driven member; a guide member fixedly installed on the top of the clamping plate; the guide member having an inverted conical structure; a lead screw rotatably installed on the front side of the clamping plate; and a push ring slidably installed on the outer wall of the clamping plate.

[0006] In at least some embodiments,

[0007] A drive motor is fixedly installed on the top front side of the base; a drive shaft is rotatably installed at the bottom center of the support.

[0008] In at least some embodiments,

[0009] A drive cam is fixedly mounted on the outer circumference of the drive shaft; the front end of the drive shaft is fixedly connected to the output shaft of the drive motor.

[0010] In at least some embodiments,

[0011] The guide post has a cylindrical structure; one end of spring A is embedded in the bottom of the test base; the bottom of spring A is embedded in the top of the support base.

[0012] In at least some embodiments,

[0013] The bottom of the test seat is in contact with the outer wall of the drive cam; the top layer of the limiting member has an inclined structure.

[0014] In at least some embodiments,

[0015] The driven member has a T-shaped structure; the bottom of the outer end of the driven member has an inclined surface; a spring B is embedded between the driven member and the shrinkage groove.

[0016] In at least some embodiments,

[0017] The push ring is located below the inclined surface of the driven member; the push ring is also connected to the lead screw via threads.

[0018] This utility model provides a seismic performance testing device for roll-welded spiral stirrup concrete frame columns, which has the following beneficial effects:

[0019] (i) Only manual rotation of the screw rod is required to drive the jacking ring to move smoothly upward. The jacking ring causes multiple clamping plates to move inward in coordination through the structure, thereby achieving all-round and stable clamping and positioning of the welded spiral stirrup concrete frame column. This not only ensures the positioning stability of the frame column, but also significantly simplifies the positioning process and avoids the cumbersome operation caused by the complexity of the positioning mechanism.

[0020] (ii) The device is equipped with inverted conical guides and inclined limiters at the top, which play a key guiding role in the hoisting of the frame columns. Through the cooperation of the inclined surfaces of the guides and limiters, the frame columns can be placed on the test base more smoothly and accurately. Compared with direct hoisting and placement, it reduces the difficulty of placement, improves work efficiency, and significantly shortens the preparation time before seismic performance testing. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0022] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the present invention.

[0023] In the attached diagram:

[0024] Figure 1 A schematic diagram of the overall structure of this application is shown;

[0025] Figure 2 This application shows Figure 1 A schematic diagram of the structure from a side view;

[0026] Figure 3 A schematic diagram of a half-section of the limiting member of this application is shown;

[0027] Figure 4 This application shows Figure 3 Enlarged structural diagram of section A;

[0028] Figure 5 A schematic diagram of the guide and limiting components of this application is shown;

[0029] Figure 6 A schematic diagram of the test base and support base structure of this application is shown;

[0030] List of reference numerals

[0031] 1. Base; 2. Drive motor; 3. Support seat; 4. Drive shaft; 5. Drive cam; 6. Guide column; 7. Test seat; 8. Spring A; 9. Limiting component; 10. Shrinkage groove; 11. Follower; 12. Clamping plate; 13. Spring B; 14. Guide component; 15. Lead screw; 16. Push ring. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0033] Please refer to Figures 1 to 6 Example 1:

[0034] This utility model proposes a seismic performance testing device for a welded spiral stirrup concrete frame column, comprising: a base 1, a support 3 fixedly installed on the top of the base 1; a guide column 6 fixedly installed on the outer side of the top of the support 3; a test seat 7 slidably installed on the guide column 6; a limiting member 9 fixedly installed on the outer side of the top of the test seat 7; a contraction groove 10 is formed on the outer wall of the limiting member 9; a follower 11 is slidably installed inside the contraction groove 10; a clamping plate 12 is fixedly installed at the inner end of the follower 11; a guide member 14 is fixedly installed on the top of the clamping plate 12; the guide member 14... It has an inverted cone-shaped structure; a screw rod 15 is rotatably installed on the front side of the front clamping plate 12; a push ring 16 is slidably installed on the outer wall of the clamping plate 12. Only by manually rotating the screw rod 15 to control the push ring 16 to move upward, the push ring 16 can move multiple clamping plates 12 inward through structural cooperation, so that multiple clamping plates 12 can clamp and position around the welded spiral stirrup concrete frame column in all directions. This not only ensures the positioning stability of the welded spiral stirrup concrete frame column, but also avoids the problem of cumbersome positioning due to too many positioning mechanisms.

[0035] In Example 2, based on Example 1, a drive motor 2 is fixedly installed on the top front side of the base 1; a drive shaft 4 is rotatably installed at the center of the bottom of the support 3; a drive cam 5 is fixedly installed on the outer circumference of the drive shaft 4; the front end of the drive shaft 4 is fixedly connected to the output shaft of the drive motor 2; the guide column 6 is a cylindrical structure; one end of a spring A8 is embedded in the bottom of the test seat 7; the bottom of the spring A8 is embedded in the top of the support 3; by setting the inverted conical guide 14 and the inclined limiting member 9 at the top, the welded spiral stirrup concrete frame column can be placed on the test seat 7 with the assistance of the inclined surfaces of the guide 14 and the limiting member 9 when it is hoisted. Compared with directly hoisting the welded spiral stirrup concrete frame column for placement, this reduces the difficulty of placing the welded spiral stirrup concrete frame column, improves the placement efficiency, and reduces the time spent on preparatory work before seismic performance testing.

[0036] In Example 3, based on Example 2, the bottom of the test seat 7 is in close contact with the outer wall of the drive cam 5; the top layer of the limiting member 9 has an inclined structure; the follower 11 has a T-shaped structure; the bottom of the outer end of the follower 11 has an inclined surface; a spring B13 is embedded between the follower 11 and the contraction groove 10; the push ring 16 is located below the inclined surface of the follower 11; the push ring 16 is also connected to the lead screw 15 through threads. The drive motor 2 is started, so that it rotates the drive cam 5 under the action of the drive shaft 4, so that the drive cam 5 continuously pushes the test seat 7 to simulate an earthquake. During the simulation, it is observed whether there is any loosening phenomenon in the welded spiral stirrup concrete frame column. If no loosening occurs, it indicates that the quality meets the standard. Thus, the seismic performance test of the welded spiral stirrup concrete frame column is completed.

[0037] Working principle: In use, the welded spiral stirrup concrete frame column is first hoisted using hoisting equipment, allowing it to enter the guide member 14. Once inside, the guide member 14 utilizes its tapered structure and the inclined surface at the top of the limiting member 9 to guide the welded spiral stirrup concrete frame column towards the interior of the test seat 7 until the column is completely placed inside the test seat 7. Then, the screw 15 is manually rotated, causing it to lift the push ring 16, allowing the push ring 16 to pass through the upper... The inclined surface of the driven member 11 is pushed upwards, causing it to move the clamping plate 12 inwards. The clamping plate 12 clamps and positions the welded spiral stirrup concrete frame column from multiple directions through inward movement. Then, the drive motor 2 is started, causing it to rotate the drive cam 5 under the action of the drive shaft 4. The drive cam 5 continuously pushes the test seat 7 to simulate an earthquake. During the simulation, it is observed whether there is any loosening of the welded spiral stirrup concrete frame column. If no loosening occurs, it indicates that the quality meets the standard. This completes the test of the seismic performance of the welded spiral stirrup concrete frame column.

[0038] The following points should be noted in this article:

[0039] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in general design.

[0040] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0041] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A device for testing the seismic performance of a roll-welded spiral-fiber concrete frame column, comprising: characterized in that, The base (1), the top of the base (1) is fixedly installed with a support seat (3); the top outer side of the support seat (3) is fixedly installed with a guide column (6); the guide column (6) is sleeved and slidably installed with a test seat (7); the top outer side of the test seat (7) is fixedly installed with a limiting piece (9); the outer wall of the limiting piece (9) is provided with a contraction groove (10); the inside of the contraction groove (10) is slidably installed with a driven part (11); the inner end of the driven part (11) is fixedly installed with a clamping plate (12); the top of the clamping plate (12) is fixedly installed with a guide part (14); the guide part (14) is inverted conical structure; the front side of the clamping plate (12) is rotatably installed with a screw rod (15); the outer wall of the clamping plate (12) is sleeved and slidably installed with a pushing ring (16).

2. The device according to claim 1, wherein, The top of the base (1) is fixedly installed with a driving motor (2); the bottom of the support seat (3) is rotatably installed with a driving shaft (4).

3. The device according to claim 2, wherein, The circumferential outer wall of the driving shaft (4) is fixedly installed with a driving cam (5); the front end of the driving shaft (4) is fixedly connected with the output shaft of the driving motor (2).

4. The device according to claim 3, wherein, The guide column (6) is cylindrical structure; one end of the spring A (8) embeddedly installed at the bottom of the test seat (7); the bottom of the spring A (8) is embeddedly installed at the top of the support seat (3).

5. The device according to claim 4, wherein, The bottom of the test seat (7) is in contact with the outer wall of the driving cam (5); the top end of the limiting piece (9) is inclined.

6. The device according to claim 5, wherein, The driven part (11) is T-shaped structure; the outer end of the driven part (11) has an inclined surface; the driven part (11) and the contraction groove (10) are jointly embedded with a spring B (13).

7. The device according to claim 6, wherein, The pushing ring (16) is below the inclined surface of the driven part (11); the pushing ring (16) is further connected with the screw rod (15) through the wire.

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