CN216899949U

CN216899949U - Testing device for bridge performance

Info

Publication number: CN216899949U
Application number: CN202123078159.XU
Authority: CN
Inventors: 夏永阳
Original assignee: Jiangsu Chuanghui Electrical Technology Co ltd
Current assignee: Jiangsu Chuanghui Electrical Technology Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-07-05
Anticipated expiration: 2031-12-09

Abstract

The utility model belongs to the technical field of cable bridges, and particularly relates to a bridge performance test device which comprises a test bed, wherein a sliding groove is formed in the top of the test bed, a supporting rod slides in the sliding groove, a top plate is fixed at the top end of the supporting rod, an adjusting mechanism for moving the supporting rod is arranged at the bottom of the test bed, a hydraulic rod is fixed at the top of the top plate, and an installation plate is fixed at one end of an extension rod of the hydraulic rod. According to the utility model, through the matching of the hydraulic rod, the mounting plate and the test hammer, the bridge can be impacted to achieve the purpose of testing the strength performance of the bridge, through the arrangement of the adjusting mechanism, the movement of the test hammer can be realized, and the position of the test hammer is changed, so that different parts of the bridge can be tested, the bridge does not need to be manually moved, the manual strength is reduced, the test efficiency is increased, through the arrangement of the fixing mechanism and double fixing, the stability of the bridge during testing is stronger, and the bridge is prevented from being deviated to influence the test effect.

Description

Testing device for bridge performance

Technical Field

The utility model relates to the technical field of cable bridges, in particular to a bridge performance test device.

Background

The bridge, also called a cable bridge, is generally composed of a support, a supporting arm and an installation accessory, is mainly used for being installed in an engineering needing overhead cable laying, plays a role in supporting and protecting cables, and along with the development of an intelligent building, a plurality of power supply systems, a plurality of automatic systems and the like exist in the same building, more and more cables need to be laid, and the requirement on the overall strength performance of the cable bridge is higher and higher. Therefore, in the prior art, after the cable bridge is produced, the impact test needs to be carried out on the overall strength performance of the cable bridge, but in the test, the fixing effect of the bridge is poor, so that the bridge is easy to shift, the test effect is influenced, meanwhile, when the test needs to be carried out on different positions of the bridge, the bridge needs to be moved manually, the test efficiency is reduced, and therefore the bridge performance test device is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a bridge performance test device, which solves the problems mentioned in the background technology.

(II) technical scheme

The utility model specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a crane span structure performance test device, includes the test bench, the spout has been seted up at the top of test bench, the inside slip of spout has the bracing piece, the top of bracing piece is fixed with the roof, the bottom of test bench is provided with the adjustment mechanism who is used for removing the bracing piece, the top of roof is fixed with the hydraulic stem, the one end of hydraulic stem extension rod is fixed with the mounting panel, the bottom of mounting panel is fixed with experimental hammer, the top of test bench is provided with fixed establishment.

Furthermore, adjustment mechanism is including fixing the straight board in the test bench bottom, one side of straight board is fixed with the motor, the output shaft end of motor is fixed with the lead screw, the bottom of test bench is fixed with the connecting plate, two be fixed with the dead lever between the connecting plate, the outside threaded connection of lead screw has backup pad and dead lever sliding connection, the top at the backup pad is fixed to the bracing piece.

Further, fixed establishment is including fixing the fixed plate at the test bench top, one side of fixed plate is fixed with electric putter, the one end of electric putter extension rod is fixed with the L template, the inside threaded connection of L template has the screw thread bull stick, the bottom bearing of screw thread bull stick rotates the pressfitting board, the top of pressfitting board is fixed with gag lever post and L template sliding connection.

Furthermore, a rotating head is fixed at the top end of the threaded rotating rod, and an anti-slip sleeve is fixed on the outer side of the rotating head.

Furthermore, a rubber pad is fixed at the bottom of the laminated plate.

(III) advantageous effects

Compared with the prior art, the utility model provides a bridge performance test device, which has the following beneficial effects:

according to the utility model, through the matching of the hydraulic rod, the mounting plate and the test hammer, the bridge can be impacted to achieve the purpose of testing the strength performance of the bridge, through the arrangement of the adjusting mechanism, the movement of the test hammer can be realized, and the position of the test hammer is changed, so that different parts of the bridge can be tested, the bridge does not need to be manually moved, the manual strength is reduced, the test efficiency is increased, through the arrangement of the fixing mechanism, through double fixing, the stability of the bridge during testing is stronger, and the influence on the test effect caused by the deviation of the bridge is avoided.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the connection between the sliding groove and the supporting rod according to the present invention;

FIG. 3 is a schematic view of an adjustment mechanism of the present invention;

FIG. 4 is a schematic view of a fastening mechanism of the present invention.

In the figure: 1. a test bed; 2. a chute; 3. a support bar; 4. a top plate; 5. an adjustment mechanism; 6. a hydraulic lever; 7. mounting a plate; 8. testing hammers; 9. a fixing mechanism; 10. turning the head; 11. a rubber pad; 501. a straight plate; 502. a motor; 503. a screw rod; 504. a connecting plate; 505. fixing the rod; 506. a support plate; 901. a fixing plate; 902. an electric push rod; 903. an L-shaped plate; 904. a threaded rotating rod; 905. pressing the plywood; 906. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1, 2, 3 and 4, a testing apparatus for testing the performance of a bridge frame according to an embodiment of the present invention includes a testing table 1, a sliding groove 2 is formed at the top of the testing table 1, a supporting rod 3 slides inside the sliding groove 2, a top plate 4 is fixed at the top end of the supporting rod 3, an adjusting mechanism 5 for moving the supporting rod 3 is arranged at the bottom of the testing table 1, a hydraulic rod 6 is fixed at the top of the top plate 4, a mounting plate 7 is fixed at one end of an extension rod of the hydraulic rod 6, a testing hammer 8 is fixed at the bottom of the mounting plate 7, a fixing mechanism 9 is arranged at the top of the testing table 1, the bridge frame is fixed by the fixing mechanism 9 to enhance the stability of the bridge frame during testing, the mounting plate 7 and the testing hammer 8 are driven by the hydraulic rod 6 to move downward to impact the bridge frame, the strength performance test is completed, when different positions of the bridge frame are required to be tested, the position of the test hammer 8 can be adjusted through the adjusting mechanism 5, the bridge frame does not need to be manually moved, the manual strength is reduced, and the test efficiency is increased.

As shown in fig. 3, in some embodiments, the adjusting mechanism 5 includes a straight plate 501 fixed at the bottom of the test bed 1, a motor 502 is fixed at one side of the straight plate 501, a lead screw 503 is fixed at an output shaft end of the motor 502, a connecting plate 504 is fixed at the bottom of the test bed 1, a fixing rod 505 is fixed between the two connecting plates 504, a supporting plate 506 is connected to an outer side of the lead screw 503 in a threaded manner and the supporting plate 506 is slidably connected to the fixing rod 505, and the supporting rod 3 is fixed at the top of the supporting plate 506.

As shown in fig. 4, in some embodiments, the fixing mechanism 9 includes a fixing plate 901 fixed on the top of the test bed 1, a power push rod 902 is fixed on one side of the fixing plate 901, an L-shaped plate 903 is fixed on one end of an extension rod of the power push rod 902, a threaded rotating rod 904 is connected to an internal thread of the L-shaped plate 903, a pressing plate 905 is rotated by a bottom end bearing of the threaded rotating rod 904, a limiting rod 906 is fixed on the top of the pressing plate 905, and the limiting rod 906 is slidably connected with the L-shaped plate 903, it should be noted that when the bridge needs to be fixed, the L-shaped plate 903 is driven to move forward by the power push rod 902, the bridge is preliminarily fixed by the L-shaped plate 903, then the threaded rotating rod 904 is screwed, the pressing plate 905 can be driven to move downward by matching with the limiting action of the limiting rod 906, the pressing plate 905 is fixed again by the pressing plate 905, and the bridge can be prevented from shifting by double fixing, affecting the test effect.

In some embodiments, as shown in fig. 4, a rotary head 10 is fixed at the top end of the threaded rotary rod 904, and an anti-slip sleeve is fixed on the outer side of the rotary head 10, it should be noted that the threaded rotary rod 904 is convenient to screw through the rotary head 10, so that convenience is increased.

In some embodiments, as shown in fig. 4, a rubber pad 11 is fixed at the bottom of the pressing plate 905, and it should be noted that the rubber pad 11 is provided to protect the bridge when the pressing plate 905 contacts with the bridge.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a crane span structure performance test device, includes test bench (1), its characterized in that: spout (2) have been seted up at the top of test bench (1), the inside slip of spout (2) has bracing piece (3), the top of bracing piece (3) is fixed with roof (4), the bottom of test bench (1) is provided with adjustment mechanism (5) that are used for movable support pole (3), the top of roof (4) is fixed with hydraulic stem (6), the one end of hydraulic stem (6) extension rod is fixed with mounting panel (7), the bottom of mounting panel (7) is fixed with test hammer (8), the top of test bench (1) is provided with fixed establishment (9).

2. The bridge frame performance testing device of claim 1, wherein: adjustment mechanism (5) are including fixing straight board (501) in test bench (1) bottom, one side of straight board (501) is fixed with motor (502), the output shaft end of motor (502) is fixed with lead screw (503), the bottom of test bench (1) is fixed with connecting plate (504), two be fixed with dead lever (505) between connecting plate (504), the outside threaded connection of lead screw (503) has backup pad (506) and dead lever (505) sliding connection, the top at backup pad (506) is fixed in bracing piece (3).

3. The bridge frame performance testing device of claim 1, wherein: the fixing mechanism (9) comprises a fixing plate (901) fixed to the top of the test bed (1), an electric push rod (902) is fixed to one side of the fixing plate (901), an L-shaped plate (903) is fixed to one end of an extension rod of the electric push rod (902), a threaded rotating rod (904) is connected to the inner thread of the L-shaped plate (903), a pressure plate (905) rotates through a bearing at the bottom end of the threaded rotating rod (904), and a limiting rod (906) are fixed to the top of the pressure plate (905) and are in sliding connection with the L-shaped plate (903).

4. The bridge frame performance testing device of claim 3, wherein: the top end of the threaded rotating rod (904) is fixed with a rotating head (10), and the outer side of the rotating head (10) is fixed with an anti-slip sleeve.

5. The bridge frame performance testing device of claim 3, wherein: and a rubber pad (11) is fixed at the bottom of the laminated plate (905).