CN217325536U - Building foundation static load test device - Google Patents

Abstract

The utility model discloses a building foundation static load test device, which comprises a bracket, set up the landing leg on the support, be provided with the gyro wheel on the landing leg, the downside of gyro wheel is provided with the guide rail, the lower surface of support is provided with the guide pillar, be provided with the slider on the guide pillar, the downside of slider is provided with the pneumatic cylinder, the vertical downward setting of pneumatic cylinder, be provided with the roof on the output shaft of pneumatic cylinder, it has the diaphragm to peg graft at the both ends of roof, be provided with the mount on the guide rail, be provided with the percentage table on the mount, the probe of percentage table can contact with the diaphragm, be provided with adjustment handle on the support, adjustment handle contacts with the slider. Through setting up guide rail and gyro wheel, make this device be convenient for remove, can carry out the detection experiment of static load to the different positions of ground fast, detection efficiency is higher, has reduced operation personnel's work load.

Description

A static load test device for building foundations

technical field

The utility model belongs to the technical field of building detection equipment, in particular to a static load test device for building foundations.

Background technique

The static load detection test of building foundation is a technique used in engineering to detect the bearing capacity of foundation. In determining the ultimate bearing capacity of the foundation, it is a relatively accurate and reliable inspection method. As a judgment of whether a certain dynamic load inspection method is mature, it is based on the comparison error of the static load test results.

At present, the foundation static load detection test is to apply a certain stress on the foundation, and then measure and detect the settlement of the foundation when the foundation is under stress by means of a dial indicator, and further judge the static load of the foundation through the relationship between the settlement and the applied stress. . In the existing static load detection process of building foundations, the detection equipment covers a large area and is inconvenient to move. In the static load detection of building foundations, multiple points need to be detected, thus increasing the detection burden of operators. .

Utility model content

Aiming at the deficiencies of the prior art, the purpose of the present utility model is to provide a static load test device for building foundations to solve the problems existing in the prior art.

The utility model provides the following technical solutions:

A static load test device for building foundations, comprising a bracket, a support leg is arranged on the bracket, a roller is arranged on the support leg, a guide rail is arranged on the lower side of the roller, and a guide post is arranged on the lower surface of the bracket, A slider is arranged on the guide column, a hydraulic cylinder is arranged on the lower side of the slider, the hydraulic cylinder is arranged vertically downward, a top plate is arranged on the output shaft of the hydraulic cylinder, and both ends of the top plate are arranged A horizontal plate is inserted, a fixing frame is arranged on the guide rail, a dial indicator is arranged on the fixing frame, and the probe of the dial indicator can be in contact with the horizontal plate, and an adjusting handle is arranged on the bracket, so The adjusting handle is in contact with the slider.

Preferably, a hydraulic pump and an oil tank are arranged in the support, and the hydraulic pump, the oil tank and the hydraulic cylinder are connected by corresponding hydraulic pipelines.

Preferably, a pressure sensor is provided on the inner side of the top plate, and a support column is provided on the lower side of the top plate, and the pressure sensor is used to measure the compressive stress of the top plate on the support column.

Preferably, a plurality of grooves are provided on the upper side of the bracket, and counterweight blocks are placed in the grooves.

Preferably, the counterweight blocks are in the shape of a rectangular parallelepiped structure, the counterweight blocks are provided with second grooves, and the counterweight blocks are connected to each other through the second grooves.

Preferably, one end of the adjustment handle is provided with a limiting column, the limiting column is in a cylindrical structure, the limiting column is located in the slider, and the limiting column can rotate in the slider.

Preferably, the fixing frame includes a threaded rod, the threaded rod is connected with the threaded hole on the guide rail, the surface of the threaded rod is provided with a moving block, one side of the moving block is provided with a fixing bolt, the percentage Tables are joined with moving blocks.

Preferably, the sliding block has a U-shaped structure, a sliding column is provided on the inner side of the sliding block, a sliding groove is provided on the surface of the guiding column, and the sliding column is adapted to the sliding groove.

Compared with the prior art, the utility model has the following beneficial effects:

(1) The utility model is a static load test device for building foundations. By setting guide rails and rollers, the bracket can move on the guide rails, and can quickly perform static load detection experiments on different positions of the foundation. The detection efficiency is high and the operation is reduced. workload of personnel.

(2) The utility model is a static load test device for building foundations. By setting the slider, the slider is connected with the hydraulic cylinder, and by adjusting the position of the slider on the guide post, the hydraulic cylinder can be positioned, which satisfies the requirements of the experiment. Precise positioning of the detection position during the detection process.

(3) The utility model is a static load test device for building foundations. By setting a counterweight, the weight of the bracket can be adjusted, and the force of the hydraulic cylinder on the support column can be further adjusted. It is suitable for the needs of different building foundation detection. The adjustment process is compared. Convenient.

(4) The utility model is a building foundation static load test device. By setting two dial indicators to collect data, the error of the data can be effectively reduced, and the detection accuracy can be increased.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can also be obtained from these drawings without creative effort.

Figure 1 is a schematic diagram of the overall structure of the present invention.

FIG. 2 is a schematic diagram of the slider and the adjusting handle of the present invention.

FIG. 3 is a schematic diagram of a counterweight block of the present invention.

FIG. 4 is a schematic diagram of the upper surface of the bracket of the present invention.

FIG. 5 is a schematic diagram of the structure of the slider of the present invention.

FIG. 6 is a schematic diagram of the structure of the fixing frame of the present invention.

In the picture: 1. Guide rail; 2. Roller; 3. Horizontal plate; 4. Outrigger; 5. Counterweight; 6. Hydraulic pump; 7. Slider; 8. Bracket; 9. Guide post; 10. Adjustment handle ;11, hydraulic cylinder; 12, top plate; 13, pressure sensor; 14, support column; 15, dial indicator; 16, fixing frame; 17, sliding column; 18, threaded rod; 19, moving block; 20, fixing bolt ; 21, groove; 22, limit post; 23, the second groove.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Figures 1-6, a static load test device for building foundations includes a bracket 8, on which a support leg 4 is arranged, a roller 2 is arranged on the support leg 4, and the lower side of the roller 2 is arranged There is a guide rail 1, the bracket 8 can move on the guide rail or on the ground, the lower surface of the bracket 8 is provided with a guide post 9, and a slider 7 is arranged on the guide post 9, and the slider 7 can Slide on the guide post 9, the lower side of the slider 7 is provided with a hydraulic cylinder 11, the hydraulic cylinder 11 is arranged vertically downward, the output shaft of the hydraulic cylinder 9 is provided with a top plate 12, the top plate 12 A horizontal plate 3 is inserted at both ends of the guide rail 1, a fixing frame 16 is arranged on the guide rail 1, a dial indicator 15 is arranged on the fixing frame 16, and the probe of the dial indicator 15 can be in contact with the horizontal plate 13, The dial indicator 15 is used to measure the settlement amount after the foundation is stressed. The bracket 8 is provided with an adjustment handle 10, the adjustment handle 10 is in contact with the slider 7, and the adjustment handle 10 is used to adjust the slider. 7. The position on the guide post 9, further adjust the spatial position of the hydraulic cylinder 11, which is convenient for the precise positioning of the detection point.

The support 8 is provided with a hydraulic pump 6 and an oil tank, and the hydraulic pump 6, the oil tank and the hydraulic cylinder 9 are connected through a corresponding hydraulic pipeline system. The inner side of the top plate 12 is provided with a pressure sensor 13 , and the lower side of the top plate 12 is provided with a support column 14 . The pressure sensor 13 is used to measure the compressive stress of the top plate 12 on the support column 11 . During inspection, place the support column above the inspection point of the foundation. The number of the support columns is multiple, and the support columns can be connected to each other. According to the actual height, an appropriate number of support columns are selected to adjust the overall height of the support columns.

The upper side of the bracket 8 is provided with a plurality of grooves 21 , and the counterweights 5 are placed in the grooves 21 . The counterweight block 5 is in the shape of a cuboid, a second groove 23 is provided on the counterweight block 5 , and the counterweight blocks 5 are connected to each other through the second groove 23 . By placing different numbers of weights 5, the overall weight of the stand is adjusted. Satisfy the need for pressure in actual testing.

One end of the adjusting handle 10 is provided with a limiting column 22 , the limiting column 22 has a cylindrical structure, the limiting column 22 is located in the sliding block 7 , and the limiting column 22 can rotate in the sliding block 7 . A connecting plate is provided on one side of the bracket, and the adjusting handle 10 is connected with the connecting plate by a screw thread. By rotating the adjusting handle 10 , the position of the slider on the guide post 9 can be changed.

The fixing frame 16 includes a threaded rod 18, the threaded rod is connected with the threaded holes on the guide rail 1, the number of threaded holes on the guide rail 1 is multiple, and the surface of the threaded rod 18 is provided with a moving block 19, One side of the moving block 19 is provided with a fixing bolt 20, the fixing bolt 20 is used to fix the moving block 19, the dial indicator 15 is connected with the moving block 19, and the dial indicator can be adjusted through the set moving block 19. 15 Position height on threaded rod 18. The slider 7 has a U-shaped structure, the inner side of the slider 7 is provided with a sliding column 17, the surface of the guide column 9 is provided with a sliding groove, the sliding column 17 is adapted to the sliding groove, and the guide The column 19 can move within the chute.

The device obtained through the above technical solution is a static load test device for building foundations. During use, the support is first moved to a suitable position, and the hydraulic cylinder is moved to the corresponding detection point by rotating the adjustment handle 10, and the support The column is placed on the detection point, the hydraulic pump is started, the shaft of the hydraulic cylinder is extended, and there is a pressure on the support column. According to the transmission of the force, the support column has a downward force on the foundation, the foundation settles, and the support column goes down. At the same time, the top plate moves down and compresses the dial indicator. At this time, the static load of the building foundation is calculated according to the readings of the pressure sensor and the dial indicator. When the measurement location needs to be changed, move the device to the corresponding measurement point. , Because the device is provided with rollers and tracks, it is convenient to move the device, and the moving process is relatively convenient.

The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes; Within the principle, any modification, equivalent replacement, improvement, etc. made shall be included within the protection scope of the present invention.

Claims (7)

1. A static load test device for building foundations, characterized in that it comprises a bracket (8), a support leg (4) is provided on the support (8), and a roller (2) is provided on the support leg (4), A guide rail (1) is arranged on the lower side of the roller (2), a guide post (9) is arranged on the lower surface of the bracket (8), and a slider (7) is arranged on the guide post (9). A hydraulic cylinder (11) is arranged on the lower side of the slider (7), the hydraulic cylinder (11) is arranged vertically downward, and a top plate (12) is arranged on the output shaft of the hydraulic cylinder (11). Both ends of the top plate (12) are plugged with horizontal plates (3), a fixing frame (16) is arranged on the guide rail (1), and a dial indicator (15) is arranged on the fixing frame (16), and the The probe of the dial indicator (15) can be in contact with the horizontal plate (3), the bracket (8) is provided with an adjustment handle (10), and the adjustment handle (10) is in contact with the slider (7). 2 . The static load test device for building foundations according to claim 1 , wherein a hydraulic pump ( 6 ) and an oil tank are arranged in the bracket ( 8 ), and the hydraulic pump ( 6 ), the oil tank and the hydraulic cylinder are arranged in 2 . (11) are connected by corresponding hydraulic pipelines. 3 . The static load test device for building foundations according to claim 1 , wherein a pressure sensor ( 13 ) is provided on the inner side of the top plate ( 12 ), and a support column is provided on the lower side of the top plate ( 12 ). 4 . (14), the pressure sensor (13) is used to measure the compressive stress of the top plate (12) on the support column (14). 4 . The static load test device for building foundations according to claim 1 , wherein a plurality of grooves ( 21 ) are arranged on the upper side of the bracket ( 8 ), and a plurality of grooves ( 21 ) are placed in the groove ( 21 ). 5 . Counterweight (5). 5 . The static load test device for building foundations according to claim 4 , wherein the counterweight block ( 5 ) is in the shape of a cuboid, and the counterweight block ( 5 ) is provided with a second groove ( 5 . 23), the counterweight blocks (5) are connected to each other through the second groove (23). 6 . The static load test device for building foundations according to claim 1 , wherein a limiting column ( 22 ) is provided at one end of the adjusting handle ( 10 ), and the limiting column ( 22 ) has a cylindrical structure. 7 . , the limiting column (22) is located in the sliding block (7), and the limiting column (22) can rotate in the sliding block (7). 7 . The static load test device for building foundations according to claim 1 , wherein the fixing frame ( 16 ) comprises a threaded rod ( 18 ), and the threaded rod is connected with a threaded hole on the guide rail ( 1 ), The surface of the threaded rod (18) is provided with a moving block (19), one side of the moving block (19) is provided with a fixing bolt (20), and the dial indicator (15) is connected with the moving block (19) .

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