Brick masonry wall beam uniformly distributed load loading device

Abstract

The invention relates to a brick masonry wall beam uniform distribution load loading device, which comprises a double-row reaction frame, a wall beam to be tested arranged in the double-row reaction frame, a supporting seat fixedly connected to the upper surface of a cross beam of the double-row reaction frame, a rotating shaft inserted in the supporting seat, and two groups of arc-shaped grooves formed in the rotating shaft, the two sets of arc-shaped grooves are arranged in a mirror image mode with the longitudinal center plane of the wall beam as a diagonal plane, a plurality of sliding bases are horizontally and slidably connected to the portion, located above the wall beam, of the cross beam, sliding plates are fixedly connected to the upper surfaces of the sliding bases, openings are formed in the side faces of the sliding plates, and protruding balls are integrally arranged on the inner bottom faces of the openings. The lower end of the sliding seat is fixedly connected with a separation type hydraulic jack, the free end of the separation type hydraulic jack abuts against the upper surface of the wall beam, the device can complete the uniform load distribution mode at different intervals, and an ideal test result is obtained.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of wall beam testing equipment, and particularly relates to a brick masonry wall beam uniform load loading device. BACKGROUND

[0002] In the existing Chinese patent database, a patent with the name of a testing machine for building construction is disclosed, the application number is CN201120108452.3, a wall beam structure testing all-in-one machine is a testing machine for building construction, which is composed of a loading machine, a data acquisition instrument and a strain gauge. The loading machine includes a stand, a cross beam, a loading plate and a driver. The loading machine and the data acquisition instrument are connected with a controller. The output end of the controller is connected with the driver of the loading machine and the switch of the data acquisition instrument. The strain gauge is connected with the data acquisition instrument. When operating, the controller is started to complete the force exertion of the loading machine on the wall beam and the collection and display of the bearing capacity. The utility model can observe the loading process and the test result at any time, and is simple and convenient to operate, and saves manpower.

[0003] During the building construction process, it is necessary to test whether the bearing capacity of the wall beam can meet the design requirements. The common wall beam testing equipment has fewer distribution points, and the load position is single, which is different from the uniform load action form, and it is difficult to obtain ideal test results. Therefore, the present application aims to provide a brick masonry wall beam uniform load loading device, which can simulate the uniform load action and adjust the spacing between the loads, test the effect of applying load at different positions, and obtain ideal test results. SUMMARY

[0004] The technical problem to be solved by the application is how to set a testing device to simulate the uniform load form and adjust the spacing between the loads, so as to achieve an ideal uniform load test structure. In order to improve the shortcomings, the application provides a brick masonry wall beam uniform load loading device.

[0005] To achieve the above purpose, the application is realized by the following technical scheme:

[0006] The application discloses a brick wall beam uniform load loading device, which comprises a double-row counter-force frame, a wall beam to be tested is arranged in the double-row counter-force frame, a support seat is fixedly connected to the upper surface of a cross beam of the double-row counter-force frame, a rotating shaft is inserted into the support seat, two groups of arc-shaped grooves are formed in the rotating shaft, the two groups of arc-shaped grooves are symmetrically arranged with the longitudinal center plane of the wall beam as the symmetric plane, a plurality of sliding seats are horizontally and slidingly connected to the cross beam above the wall beam, sliding plates are fixedly connected to the upper surfaces of the sliding seats, openings are formed in the side surfaces of the sliding plates and face the rotating shaft, convex spherical bodies are integrally arranged on the bottom surfaces in the openings, the convex spherical bodies are arranged in the corresponding arc-shaped grooves, the sliding plates are horizontally moved by rotating the rotating shaft, and the lower ends of the sliding seats are fixedly connected with separate hydraulic jacks, and the free ends of the separate hydraulic jacks abut against the upper surface of the wall beam.

[0007] Compared with the prior art, the application has the beneficial effects that: due to the cooperation of the sliding plates, the sliding seats and the rotating shaft, the sliding seats drive the jacks to be uniformly arranged above the wall beam, a uniform load action form is formed, ideal test results can be obtained, the jacks can be equidistantly adjusted through the sliding plates, and thus the uniform load uniform distribution form under different distances can be achieved, the device is suitable for industrial production and has strong practicability.

[0008] As a preferred scheme, the upper and lower surfaces of the sliding seat are both spaced apart and provided with connecting plates, the sliding plates are fixedly connected between the connecting plates on the upper side through bolts, the separate hydraulic jacks are fixedly connected between the connecting plates on the lower side, the two ends of the sliding seat are both provided with frame-shaped connecting seats, and the connecting seats are slidingly connected to the corresponding cross beams.

[0009] As a preferred scheme, horizontal guide shafts are inserted between the support seats, guide holes are formed in the corresponding positions on the sliding plates, and the guide shafts are inserted into the guide holes to enable the sliding plates to be slidingly connected to the guide shafts.

[0010] As a preferred scheme, the support seat is provided in an H shape, one end of the rotating shaft is rotatably connected into the support seat through a bearing, the other end of the rotating shaft passes through the support seat, a large belt pulley is fixedly sleeved on the free end of the other end of the rotating shaft, a driving motor is fixed on the support seat, a small belt pulley is sleeved on the output shaft end of the driving motor, and the small belt pulley and the large belt pulley are drivingly connected through a belt.

[0011] As a preferred scheme, rigid supports are arranged in the double-row counter-force frames on the two sides of the wall beam, the wall beam comprises a brick wall body and a reinforced concrete support beam, the reinforced concrete support beam is fixedly arranged above the rigid supports, and the brick wall body, the reinforced concrete support beam and the two rigid supports are provided with the same width. DRAWINGS

[0012] Figure 1Structure diagram of the sliding plate in the application.

[0013] Figure 2 Structure diagram of the sliding plate in the application.

[0014] Figure 3 Structure diagram of the rotating shaft in the application.

[0015] Figure 4 Structure diagram of the sliding seat in the application.

[0016] Figure 5 Structure diagram of the sliding seat in the application.

[0017] In the figure: 1 double-row counter-force frame, 2 wall beam, 201 brick wall, 202 reinforced concrete support beam, 3 support seat, 4 rotating shaft, 5 arc-shaped groove, 6 sliding seat, 601 connecting plate, 602 connecting seat, 7 sliding plate, 8 opening, 9 convex ball, 10 split hydraulic jack, 11 guide shaft, 12 guide hole, 13 large belt pulley, 14 driving motor, 15 small belt pulley, 16 rigid support. DETAILED DESCRIPTION

[0018] The technical solution of the present application will be further described in combination with the drawings and examples.

[0019] As Figures 1-5The wall beam uniform load loading device is characterized in that: the wall beam uniform load loading device comprises a double-row counterforce frame 1, a wall beam 2 to be tested is arranged in the double-row counterforce frame 1, a support seat 3 is fixedly connected to the upper surface of the cross beam of the double-row counterforce frame 1, a rotating shaft 4 is inserted into the support seat 3, two groups of arc-shaped grooves 5 are formed in the rotating shaft 4, the two groups of arc-shaped grooves 5 are mirror images arranged with the longitudinal center plane of the wall beam 2 as the plane of symmetry, a plurality of sliding seats 6 are horizontally and slidingly connected to the cross beam above the wall beam 2, a sliding plate 7 is fixedly connected to the upper surface of the sliding seat 6, an opening 8 is formed in the side surface of the sliding plate 7, the opening 8 is arranged towards the rotating shaft 4, a protruding ball 9 is integrally arranged on the bottom surface in the opening 8, the protruding ball 9 is arranged in the corresponding arc-shaped groove 5, and the horizontal movement is completed by rotating the rotating shaft 4, a split hydraulic jack 10 is fixedly connected to the lower end of the sliding seat 6, and the free end of the split hydraulic jack 10 abuts against the upper surface of the wall beam 2.

[0020] In the working process of the present application, each separate hydraulic jack 10 is arranged above the wall beam 2, and the operator distributes the oil pressure into each jack synchronously to realize synchronous pressurization, so that the pressure distribution points above the wall beam 2 are in the same form as the uniform load, and multi-point arrangement is realized; meanwhile, the driving motor 14 is controlled to work, and the large pulley 13 and the small pulley 15 are cooperated to drive the rotating shaft 4 to rotate, and in the rotating process of the rotating shaft 4, the matching position of the arc-shaped groove 5 and the protruding ball 9 in the sliding plate 7 is horizontally displaced due to the rotation of the arc-shaped groove 5 on the shaft, so as to adjust the spacing between each sliding seat 6, i.e. between each jack, so that the spacing of the uniform load is changed, and on the basis of the form of the uniform load, the ideal test effect under the form of different spacing loads is further obtained.

[0021] The present application is not limited to the above-mentioned embodiments, and on the basis of the technical solutions disclosed in the present application, the skilled in the art can make some substitutions and modifications to some technical features without creative labor according to the disclosed technical content, and these substitutions and modifications are all within the protection scope of the present application.

Claims

1. A brick wall beam uniform load loading device, characterized in that: The utility model provides a wall beam test device, including double -row counterforce frame (1), be located double -row counterforce frame (1) inside and be provided with the wall beam (2) to be tested, the upper surface fixed junction of the crossbeam of double -row counterforce frame (1) is inserted into the support seat (3), the support seat (3) is inserted into the rotating shaft (4) in the support seat (3) and is rotatably connected to the rotating shaft (4) one end, and the other end passes through the support seat (3) and is set, and the other end free end is fixed with the large pulley (13) of sleeve joint, the support seat (3) is fixed with the drive motor (14), and the output shaft end of drive motor (14) is sleeved with the small pulley (15), and the small pulley (15) is driven connection with the large pulley (13) through the belt.

2. The uniform load loading device for brick wall beam according to claim 1, characterized in that: The upper and lower surfaces of the sliding seat (6) are both spaced apart from the connecting plates (601), the sliding plates (7) are fixedly connected between the upper connecting plates (601) through bolts, and the disconnectable hydraulic jacks (10) are fixedly connected between the lower connecting plates (601).

3. The uniform load loading device for a brick wall beam according to claim 2, characterized in that: The support seat (3) is provided with horizontal guide shafts (11) inserted therebetween, the sliding plates (7) are provided with guide holes (12) at corresponding positions, and the guide shafts (11) are inserted into the guide holes (12) to enable the sliding plates (7) to be slidably connected to the guide shafts (11).

4. The uniform load loading device for a brick wall beam according to claim 3, characterized in that: The support seat (3) is provided in an H shape, one end of the rotating shaft (4) is rotatably connected to the support seat (3) through a bearing, the other end passes through the support seat (3), a large pulley (13) is fixedly sleeved on the free end of the other end, a drive motor (14) is fixed to the support seat (3), a small pulley (15) is sleeved on the output shaft end of the drive motor (14), and the small pulley (15) is drivingly connected to the large pulley (13) through a belt.

5. A uniform load loading device for a brick wall beam according to any one of claims 1 to 4, wherein: The double-row counterforce frames (1) located on both sides of the wall beam (2) are provided with rigid supports (16), the wall beam (2) comprises a brick wall (201) and a reinforced concrete joist (202), the reinforced concrete joist (202) is fixedly arranged above the rigid supports (16), and the brick wall (201), the reinforced concrete joist (202), and the two rigid supports (16) have the same width.

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