CN115371927B

CN115371927B - Civil engineering structure anti-seismic test device for engineering safety detection

Info

Publication number: CN115371927B
Application number: CN202211319993.XA
Authority: CN
Inventors: 朱本龙; 林文治; 李柏仪; 钱鑫; 杜海; 李超; 李志阳; 吴洋
Original assignee: Xuzhou Inspection And Testing Center
Current assignee: Xuzhou Inspection And Testing Center
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-02-17
Anticipated expiration: 2042-10-26
Also published as: CN115371927A

Abstract

The invention relates to the technical field of anti-seismic test devices, in particular to a civil engineering structure anti-seismic test device for engineering safety detection, which comprises a test board, a base, a first sliding structure, an angle adjusting structure, a second sliding structure, a connecting structure and a driving structure, wherein the test board is arranged on the base; the angle adjusting structure is arranged to facilitate the test board to rotate, internal components are convenient to overhaul, maintain and clean, operation flexibility is improved, the connecting structure is provided with a second sliding structure used for adjusting the position of the test board, the first sliding structure is matched with the second sliding structure to enable the sliding to be more stable, the mounting and the dismounting to be more convenient and two, the driving structure drives the connecting structure and the second sliding structure to move respectively, the driving structure is arranged to facilitate the adjustment of the moving range of the test board, and the anti-seismic test accuracy is higher.

Description

Civil engineering structure anti-seismic test device for engineering safety detection

Technical Field

The invention relates to the technical field of anti-seismic testing devices, in particular to a civil engineering structure anti-seismic testing device for engineering safety detection.

Background

After the design drawing is completed in large civil engineering such as house and bridge design, a model is usually manufactured to carry out various simulation tests so as to ensure the stability and reliability of the structure, and the earthquake test is an essential one in a plurality of tests, and the earthquake test is used for simulating the whole process of earthquake on the model by inputting the model to the ground through the table top of the vibration table.

However, if the model collapses the damage in the earthquake simulation process, the sweeps can drop to in the drive structure of shaking table bottom, be not convenient for overhaul and maintain the bottom of shaking table, the drive structure adopts motor cooperation crank link drive shaking table to remove mostly, vibration frequency is adjusted to the rotational speed through the motor, but the displacement range of shaking table is fixed, influence the accuracy of data, the shaking table adopts the slide bar slider to remove mostly, it is higher to slide bar and slider machining precision requirement, and make the sweeps card stopper easily, influence stability.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a civil engineering structure anti-seismic testing device for engineering safety detection.

The technical scheme adopted by the invention for solving the technical problems is as follows: a civil engineering structure anti-seismic testing device for engineering safety detection comprises a base, wherein an angle adjusting structure for adjusting the angle of a first sliding structure is arranged on the base, a connecting structure is arranged on the first sliding structure, and a second sliding structure for adjusting the position of a test bench is arranged on the connecting structure; the base is provided with two driving structures which respectively drive the connecting structure and the second sliding structure to move;

the angle adjusting structure comprises a sleeve, a sleeve is arranged on the first sliding structure in a rotating mode, a supporting rod is arranged on the sleeve in a sliding mode, the supporting rod is connected with the base in a rotating mode, a clamping block in sliding connection is arranged on the sleeve, the clamping block is clamped with a hole in the supporting rod, a spring is arranged between the clamping block and the sleeve, and a pushing block is fixed on the clamping block.

Specifically, a guide rod is fixed on the sleeve, the guide rod penetrates through the spring, and the clamping block is connected with the guide rod in a sliding mode.

Specifically, second sliding structure includes the balladeur train, be equipped with the balladeur train on the testboard, the block has the installation piece on the balladeur train, connection structure includes the second slide bar, the balladeur train wraps up in the second slide bar with the installation piece.

Specifically, all rotate on installation piece and the balladeur train and be equipped with the gyro wheel, be equipped with the arc wall on the gyro wheel, roll connection between gyro wheel and the second slide bar.

Specifically, the second sliding rod is fixed to a connecting frame of the U-shaped structure, and the connecting frame is connected to the first sliding structure.

Specifically, the first sliding structure comprises a first sliding rod, the connecting frame is connected with the first sliding rod in a sliding mode, and the first sliding rod is fixed on the supporting frame.

Specifically, the first slide bar and the second slide bar are at least two, a mounting plate for guiding the first slide bar is arranged on the support frame, and the first slide bar is connected with the mounting plate in a sliding manner.

Specifically, one of the right ends is provided with a guide shaft on the mounting plate, and the guide shaft is rotatably connected with the base.

Specifically, drive structure includes two transmission covers, two the transmission cover is fixed in testboard and link respectively, it has the leading wheel to roll on the driving groove on the transmission cover, the leading wheel rotates with the slider to be connected, the slider is connected in the carousel, be fixed with the pivot on the carousel, rotate between pivot and the mount and be connected, the pivot passes through coupling joint in motor, the motor is fixed in the mount.

Specifically, the rotary table is rotatably provided with a screw rod, the screw rod is in threaded connection with a sliding block, and the sliding block is in sliding connection with the rotary table.

The invention has the beneficial effects that:

(1) According to the civil engineering structure anti-seismic testing device for engineering safety detection, the angle adjusting structure for adjusting the angle of the first sliding structure is arranged on the base, the angle adjusting structure is convenient to enable the test board to rotate, internal components are convenient to overhaul, maintain and clean, and operation flexibility is improved.

(2) According to the civil engineering structure anti-seismic testing device for engineering safety detection, the connecting structure is arranged on the first sliding structure, the second sliding structure for adjusting the position of the test board is arranged on the connecting structure, the first sliding structure is matched with the second sliding structure to enable sliding to be more stable, and mounting and dismounting to be more convenient.

(3) According to the civil engineering structure anti-seismic testing device for engineering safety detection, the two driving structures are arranged on the base and respectively drive the connecting structure and the second sliding structure to move, and the driving structures are arranged to facilitate adjustment of the moving range of the test bench, so that the anti-seismic test accuracy is higher.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic overall configuration diagram of a civil engineering structure earthquake resistance test device for engineering safety inspection according to a preferred embodiment of the present invention;

FIG. 2 is an enlarged view of the part A shown in FIG. 1;

FIG. 3 is an enlarged view of the structure of the portion B shown in FIG. 1;

FIG. 4 is a schematic view of a connection structure of the base and the driving structure according to the present invention;

FIG. 5 is an enlarged view of the structure of the portion C shown in FIG. 4;

FIG. 6 is an enlarged view of the structure of the portion D shown in FIG. 4;

FIG. 7 is an enlarged view of the structure of the section E shown in FIG. 4;

FIG. 8 is an enlarged view of the structure of the portion F shown in FIG. 4;

fig. 9 is an enlarged schematic view of the structure of the G portion shown in fig. 4.

In the figure: 1. a test bench; 2. a base; 3. a first sliding structure; 301. a support frame; 302. a first slide bar; 303. mounting a plate; 304. a guide shaft; 4. an angle adjustment structure; 401. a sleeve; 402. a push block; 403. a support bar; 404. a clamping block; 405. a spring; 406. a guide bar; 5. a second sliding structure; 501. a carriage; 502. mounting blocks; 503. a roller; 6. a connecting structure; 601. a connecting frame; 602. a second slide bar; 7. a drive structure; 701. a fixed mount; 702. a motor; 703. a rotating shaft; 704. a guide wheel; 705. a turntable; 706. a screw rod; 707. a transmission sleeve; 708. a transmission groove; 709. a slide block.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 9, the civil engineering structure earthquake-proof testing device for engineering safety detection according to the present invention includes a base 2, an angle adjusting structure 4 for adjusting an angle of a first sliding structure 3 is provided on the base 2, a connecting structure 6 is provided on the first sliding structure 3, and a second sliding structure 5 for adjusting a position of a testing table 1 is provided on the connecting structure 6; two driving structures 7 are arranged on the base 2, and the two driving structures 7 respectively drive the connecting structure 6 and the second sliding structure 5 to move;

the angle adjusting structure 4 comprises a sleeve 401, the sleeve 401 is rotatably arranged on the first sliding structure 3, a support rod 403 is slidably arranged on the sleeve 401, the support rod 403 is rotatably connected with the base 2, a fixture block 404 in sliding connection is arranged on the sleeve 401, the fixture block 404 is clamped with a hole in the support rod 403, a spring 405 is arranged between the fixture block 404 and the sleeve 401, and a pushing block 402 is fixed on the fixture block 404; a guide rod 406 is fixed on the sleeve 401, the guide rod 406 penetrates through the spring 405, and the fixture block 404 is connected with the guide rod 406 in a sliding manner;

specifically, the second sliding structure 5 includes a sliding frame 501, the sliding frame 501 is arranged on the test platform 1, the mounting block 502 is clamped on the sliding frame 501, the connecting structure 6 includes a second sliding rod 602, the sliding frame 501 and the mounting block 502 are wrapped on the second sliding rod 602, the mounting block 502 and the sliding frame 501 are both rotatably provided with a roller 503, the roller 503 is provided with an arc-shaped groove, and the roller 503 and the second sliding rod 602 are connected in a rolling manner;

the second sliding rod 602 is fixed to a connecting frame 601 of a U-shaped structure, the connecting frame 601 is connected to the first sliding structure 3, the first sliding structure 3 comprises a first sliding rod 302, the connecting frame 601 is connected with the first sliding rod 302 in a sliding manner, the first sliding rod 302 is fixed to a support frame 301, at least two first sliding rods 302 and at least two second sliding rods 602 are arranged, a mounting plate 303 for guiding the first sliding rod 302 is arranged on the support frame 301, and the first sliding rod 302 is connected with the mounting plate 303 in a sliding manner; after the test board 1 rotates, lubricating oil is conveniently coated on the first sliding rod 302 and the second sliding rod 602, scrap is conveniently cleaned, after the mounting plate 303 is disassembled, the first sliding rod 302 is conveniently separated from the connecting frame 601, bolts on the mounting block 502 and the sliding frame 501 are disassembled, then the mounting block 502 is pushed, the mounting block 502 is separated from the sliding frame 501, the mounting and the dismounting of the second sliding rod 602 are more convenient, meanwhile, the roller 503 is provided with a groove, the roller 503 is conveniently attached to the second sliding rod 602, the roller 503 and the second sliding rod 602 are in rolling connection, and the transmission is more stable.

Specifically, one of the right ends of the mounting plate 303 is provided with a guide shaft 304, the guide shaft 304 is rotatably connected with the base 2, when the components at the bottom end of the test board 1 need to be overhauled and maintained, the push block 402 is pushed to drive the fixture block 404 to slide upwards, the fixture block 404 and the guide rod 406 slide, the guide rod 406 is arranged to enable the fixture block 404 to slide more stably, the fixture block 404 is not clamped with the support rod 403, the fixture block 404 pushes the spring 405 to compress, then the test board 1 is pushed to enable the guide shaft 304 on the support frame 301 at the right end to rotate with the base 2, meanwhile, the sleeve 401 and the support frame 301 at the left end rotate, the support rod 403 and the base 2 rotate, the support rod 403 and the sleeve 401 slide, the support rod 403 is provided with a plurality of holes, after the test board 1 rotates to a proper angle, the push block 402 can be released, the spring 405 extends to drive the fixture block 404 and the support rod 403 to be limited, so that the support test board 1 is supported by the support rod 403 and the sleeve 401, and further, the components at the bottom end of the test board 1 can be overhauled and maintained.

Specifically, the driving structure 7 includes two driving sleeves 707, the two driving sleeves 707 are respectively fixed to the test board 1 and the connecting frame 601, a guide wheel 704 rolls on a driving groove 708 on the driving sleeve 707, the guide wheel 704 is rotatably connected to a sliding block 709, the sliding block 709 is connected to a turntable 705, a rotating shaft 703 is fixed on the turntable 705, the rotating shaft 703 is rotatably connected to a fixing frame 701, the rotating shaft 703 is connected to a motor 702 through a coupling, the motor 702 is fixed to the fixing frame 701, a screw rod 706 is rotatably arranged on the turntable 705, the screw rod 706 is in threaded connection with the sliding block 709, the sliding block 709 is in sliding connection with the turntable 705, and after the test board 1 rotates, since the bottom end of the driving groove 708 is not sealed, the guide wheel 704 is not prevented from being disengaged from the driving groove 708, the guide wheel 704 and the transmission groove 708 can be mounted and dismounted more conveniently, then the moving range of the test board 1 is adjusted as required, the screw rod 706 is rotated, the screw rod 706 drives the sliding block 709 to rotate on the rotating disc 705 in a threaded manner, the distance between the guide wheel 704 on the sliding block 709 and the circle center is changed, so that when the motor 702 rotates, the rotating shaft 703 on the motor 702 drives the rotating disc 705 to rotate, the guide wheel 704 on the sliding block 709 rolls in the transmission groove 708, the transmission sleeve 707 is pushed to slide in a reciprocating manner, the sliding frame 501 drives the test board 1 to move on the second sliding rod 602, the connecting frame 601 moves on the first sliding rod 302, the moving directions of the two transmission sleeves 707 are vertical, the moving distance of the test board 1 in the horizontal direction can be adjusted conveniently, the accuracy of the anti-seismic test is better, and meanwhile, the base 2 can be fixed on a vertical vibration measurement structure, so as to simulate vertical vibration.

When the device is used, when the components at the bottom end of the test bench 1 need to be overhauled and maintained, the push block 402 is pushed, the push block 402 drives the fixture block 404 to slide upwards, the fixture block 404 and the guide rod 406 slide, the guide rod 406 enables the fixture block 404 to slide more stably, the fixture block 404 is not clamped with the support rod 403, the fixture block 404 pushes the spring 405 to compress, then the test bench 1 is pushed, the guide shaft 304 on the support frame 301 at the right end and the base 2 rotate, the sleeve 401 and the support frame 301 at the left end rotate simultaneously, the support rod 403 and the base 2 rotate, the support rod 403 and the sleeve 401 slide simultaneously, the support rod 403 is provided with a plurality of holes, after the test bench 1 rotates to a proper angle, the push block 402 can be released, the spring 405 extends to drive the fixture block 404 and the support rod 403 to limit, so that the support rod 403 and the sleeve 401 support the test bench 1, and further the components at the bottom end of the test bench 1 can be overhauled and maintained;

after the test board 1 rotates, lubricating oil is conveniently coated on the first sliding rod 302 and the second sliding rod 602, scraps are conveniently cleaned, after the mounting plate 303 is disassembled, the first sliding rod 302 is conveniently separated from the connecting frame 601, bolts on the mounting block 502 and the sliding frame 501 are disassembled, then the mounting block 502 is pushed, the mounting block 502 is separated from the sliding frame 501, the mounting and the disassembling of the second sliding rod 602 are further convenient, meanwhile, the roller 503 is provided with a groove, the roller 503 is conveniently attached to the second sliding rod 602, and the roller 503 is connected with the second sliding rod 602 in a rolling manner, so that the transmission is more stable;

when the test bench 1 rotates, the bottom end of the transmission groove 708 is not sealed, and thus the guide wheel 704 is not blocked from being separated from the transmission groove 708, so that the guide wheel 704 and the transmission groove 708 can be mounted and dismounted more conveniently, then the moving range of the test bench 1 is adjusted as required, the screw rod 706 is rotated, the screw rod 706 drives the slider 709 to rotate on the rotary table 705, the distance between the guide wheel 704 on the slider 709 and the center of a circle is changed, so that when the motor 702 rotates, the rotary table 705 is driven by the rotating shaft 703 on the motor 702 to rotate, the guide wheel 704 on the slider 709 rolls in the transmission groove 708, the transmission sleeve 707 is pushed to slide back and forth, the test bench 1 is driven by the carriage 501 to move on the second slide bar 602, the connecting frame 601 moves on the first slide bar 302, the moving directions of the two transmission sleeves 707 are perpendicular, and further the moving distance of the test bench 1 in the horizontal direction can be conveniently adjusted, so that the accuracy of the anti-vibration test is better, and the base 2 can be fixed on a vertical vibration measurement structure, thereby simulating vertical vibration.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The civil engineering structure anti-seismic testing device for engineering safety detection is characterized by comprising a base (2), wherein an angle adjusting structure (4) for adjusting the angle of a first sliding structure (3) is arranged on the base (2), a connecting structure (6) is arranged on the first sliding structure (3), and a second sliding structure (5) for adjusting the position of a test bench (1) is arranged on the connecting structure (6); the base (2) is provided with two driving structures (7), and the two driving structures (7) respectively drive the connecting structure (6) and the second sliding structure (5) to move;

the angle adjusting structure (4) comprises a sleeve (401), the sleeve (401) is rotatably arranged on the first sliding structure (3), a supporting rod (403) is slidably arranged on the sleeve (401), the supporting rod (403) is rotatably connected with the base (2), a clamping block (404) in sliding connection is arranged on the sleeve (401), the clamping block (404) is clamped with a hole in the supporting rod (403), a spring (405) is arranged between the clamping block (404) and the sleeve (401), and a pushing block (402) is fixed on the clamping block (404); a guide rod (406) is fixed on the sleeve (401), the guide rod (406) penetrates through the spring (405), and the clamping block (404) is connected with the guide rod (406) in a sliding manner;

the second sliding structure (5) comprises a sliding frame (501), the sliding frame (501) is arranged on the test bench (1), the mounting block (502) is clamped on the sliding frame (501), the connecting structure (6) comprises a second sliding rod (602), and the sliding frame (501) and the mounting block (502) are wrapped on the second sliding rod (602); the mounting block (502) and the sliding frame (501) are both rotatably provided with a roller (503), the roller (503) is provided with an arc-shaped groove, and the roller (503) is in rolling connection with the second sliding rod (602); the second sliding rod (602) is fixed on a connecting frame (601) of a U-shaped structure, and the connecting frame (601) is connected to the first sliding structure (3);

the first sliding structure (3) comprises a first sliding rod (302), the connecting frame (601) is in sliding connection with the first sliding rod (302), and the first sliding rod (302) is fixed on the supporting frame (301); the number of the first sliding rods (302) and the number of the second sliding rods (602) are at least two, a mounting plate (303) for guiding the first sliding rods (302) is arranged on the supporting frame (301), and the first sliding rods (302) are connected with the mounting plate (303) in a sliding manner; a guide shaft (304) is arranged on one mounting plate (303) at the right end, and the guide shaft (304) is rotatably connected with the base (2);

the driving structure (7) comprises two transmission sleeves (707), the two transmission sleeves (707) are respectively fixed on the test board (1) and the connecting frame (601), a guide wheel (704) rolls on a transmission groove (708) on the transmission sleeve (707), the guide wheel (704) is rotatably connected with a sliding block (709), the sliding block (709) is connected with a rotating disc (705), a rotating shaft (703) is fixed on the rotating disc (705), the rotating shaft (703) is rotatably connected with the fixing frame (701), the rotating shaft (703) is connected with a motor (702) through a coupling, and the motor (702) is fixed on the fixing frame (701); a screw rod (706) is rotatably arranged on the rotary disc (705), the screw rod (706) is in threaded connection with a sliding block (709), and the sliding block (709) is in sliding connection with the rotary disc (705);

when the components at the bottom end of the test bench (1) need to be overhauled and maintained, the push block (402) is pushed, the push block (402) drives the fixture block (404) to slide upwards, the fixture block (404) and the guide rod (406) slide, the guide rod (406) enables the fixture block (404) to slide more stably, the fixture block (404) is not clamped with the support rod (403), the fixture block (404) pushes the spring (405) to compress, then the test bench (1) is pushed, a guide shaft (304) on the support frame (301) at the right end and the base (2) rotate, the sleeve (401) and the support frame (301) at the left end rotate, the support rod (403) and the base (2) rotate, the support rod (403) and the sleeve (401) slide, a plurality of holes are formed in the support rod (403), after the test bench (1) rotates to a proper angle, the push block (402) can be released, the spring (405) extends to drive the fixture block (404) to be limited with the support rod (403), the support rod (403) and the sleeve (401) to support the test bench (1), and further facilitate the maintenance of the components at the bottom end of the test bench (1); after the test board (1) rotates, lubricating oil is conveniently smeared on the first sliding rod (302) and the second sliding rod (602), scraps are conveniently cleaned, after the mounting plate (303) is disassembled, the first sliding rod (302) is conveniently separated from the connecting frame (601), bolts on the mounting block (502) and the sliding frame (501) are disassembled, then the mounting block (502) is pushed to separate the mounting block (502) from the sliding frame (501), the mounting and the disassembling of the second sliding rod (602) are further convenient, meanwhile, grooves are formed in the roller (503) and are conveniently attached to the second sliding rod (602), the roller (503) is connected with the second sliding rod (602) in a rolling mode, and the transmission is more stable; after the test board (1) rotates, the moving range of the test board (1) is adjusted as required, the screw rod (706) is rotated, the screw rod (706) drives the sliding block (709) to rotate on the rotating disc (705) in a threaded manner, the distance between the guide wheel (704) on the sliding block (709) and the circle center is changed, and therefore when the motor (702) rotates, the rotating shaft (703) on the motor (702) drives the rotating disc (705) to rotate, the guide wheel (704) on the sliding block (709) rolls in the transmission groove (708), the transmission sleeve (707) is pushed to slide in a reciprocating manner, the sliding frame (501) drives the test board (1) to move on the second sliding bar (602), the connecting frame (601) moves on the first sliding bar (302), the moving directions of the two transmission sleeves (707) are perpendicular, the distance of the test board (1) moving in the horizontal direction is convenient to adjust, the accuracy of the anti-seismic test is better, and the bottom end of the transmission groove (708) is convenient to assemble and disassemble the assembly (704) which is convenient to clean.