CN216208171U - Building engineering foundation pile resistance to compression static load test device - Google Patents
Building engineering foundation pile resistance to compression static load test device Download PDFInfo
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- CN216208171U CN216208171U CN202122737642.8U CN202122737642U CN216208171U CN 216208171 U CN216208171 U CN 216208171U CN 202122737642 U CN202122737642 U CN 202122737642U CN 216208171 U CN216208171 U CN 216208171U
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Abstract
The utility model discloses a compression-resistant static load test device for foundation piles in constructional engineering, which comprises an underground well and a top plate, wherein foundation piles are arranged in the underground well, two supporting columns are fixedly assembled on the bottom surface of the top plate, and a control panel is arranged on the surface of the supporting column on the left side. Through starting the jack through control panel, the jack applys quantitative pressure to the foundation pile through the clamp plate, pressure sensor can monitor pressure, guarantee the measuring accuracy, monitor its self downward movement distance of displacement slide bar through displacement sensor, the downward movement distance through the displacement slide bar calculates the resistance to compression static load bearing capacity of pile foundation, reach the biggest bearing capacity scope, thereby reach the resistance to compression static load test purpose to the pile foundation, the device simple structure, and the operation is thus simple, facilitate the work and use, and the during operation is difficult to take place dangerous healthy that influences the workman.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a device for testing the compression resistance static load of a foundation pile of constructional engineering.
Background
The static load test method is the most direct and reliable test method for detecting the vertical compression bearing capacity of the foundation pile, the static load test adopts a test method close to the actual working condition of the vertical compression pile to determine the vertical (compression) ultimate bearing capacity of a single pile, and the ultimate side resistance and the ultimate end resistance of each soil layer around the pile can be directly measured as the design basis or the sampling test and evaluation are carried out on the bearing capacity of the engineering pile, when a pile bottom counter force, pile body stress and strain measurement element is buried, except that the engineering pile test for controlling the ultimate bearing capacity by the pile body bearing capacity is loaded to 1.5-2 times of the design value of the bearing capacity, other test piles are loaded to be damaged.
However, the compression-resistant static load test device used at present is composed of a main steel beam, a secondary steel beam and a precast concrete counterweight, a large amount of time is consumed for installation, the danger is very high, constructors can be injured due to misoperation, and the use is quite troublesome.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a compression-resistant static load test device for a foundation pile in constructional engineering, which has the advantages of applying pressure to the foundation pile through a jack, being simple to use and the like, and solves the problems that the currently used compression-resistant static load test device is composed of a main steel beam, a secondary steel beam and a precast concrete counterweight, consumes a large amount of time for installation, is very dangerous, can cause injury to constructors due to misoperation, and is very troublesome to use.
(II) technical scheme
In order to realize the purpose of applying pressure to the foundation pile through the jack and having simple use, the utility model provides the following technical scheme: a foundation pile compression-resistant static load test device for building engineering comprises a underground well and a top plate, wherein a foundation pile is arranged in the underground well, two support columns are fixedly assembled on the bottom surface of the top plate, a control panel is arranged on the surface of the support column on the left side, a fixed plate is fixedly assembled at the bottom ends of the two support columns, a servo motor is fixedly assembled on the upper surface of the top plate, a rotating shaft is fixedly connected with the output end of the servo motor, one end of the rotating shaft penetrates through and extends to the lower part of the top plate, a threaded rod is fixedly assembled at one end of the rotating shaft, a threaded sleeve rod is assembled on the outer surface of the threaded rod in a threaded manner, a mounting plate is fixedly assembled at the bottom end of the threaded sleeve rod, a pressure sensor is fixedly assembled at the center of the bottom surface of the mounting plate, a jack is fixedly assembled at the receiving part of the pressure sensor, and a counterweight plate is fixedly assembled at the output end of the jack, the bottom surface fixedly connected with clamp plate of counterweight plate, the bottom surface and the foundation pile butt of clamp plate, be provided with displacement sensor between counterweight plate and the mounting panel.
Preferably, the surface of the fixing plate is provided with a fixing bolt, and the fixing plate is fixedly connected with the underground well through the fixing bolt.
Preferably, servo motor's output is provided with the reduction gear, servo motor's output passes through reduction gear and pivot fixed connection, servo motor's surface cover is equipped with the protective housing.
Preferably, the bottom surface of roof is fixed and is equipped with two spacing telescopic links, the one end of spacing telescopic link all with mounting panel fixed connection.
Preferably, two spacing holes have been seted up to the inside of mounting panel, the fixed surface of counterweight plate is equipped with two guide arms, the one end of guide arm extends to through spacing hole the upper portion of mounting panel, the one end of guide arm is all fixed to be equipped with the limiting plate.
Preferably, the displacement sensor includes displacement slide bar and displacement sensing receiver, the displacement sensing receiver sets up on the surface of displacement slide bar, the bottom and the weight plate fixed connection of displacement slide bar, the top and the mounting panel sliding connection of displacement slide bar.
(III) advantageous effects
Compared with the prior art, the utility model provides a compression-resistant static load test device for a foundation pile in constructional engineering, which has the following beneficial effects:
this building engineering foundation pile resistance to compression static load test device, start the jack through control panel, the jack passes through the clamp plate and applies quantitative pressure to the foundation pile, pressure sensor can monitor pressure, guarantee measuring accuracy, monitor its self displacement slide bar's downward migration distance through displacement sensor, the downward migration distance through the displacement slide bar calculates the resistance to compression static load bearing capacity of pile foundation, reach the biggest bearing capacity scope, thereby reach the resistance to compression static load test purpose to the pile foundation, the device simple structure, and easy operation facilitates the work and uses, and the during operation is difficult to take place dangerous healthy that influences the workman.
Drawings
FIG. 1 is a schematic diagram of the operation of the present invention;
FIG. 2 is an assembly schematic of the present invention;
FIG. 3 is an enlarged view of the structure A of FIG. 2 according to the present invention;
fig. 4 is an enlarged view of the structure B of fig. 2 according to the present invention.
In the figure: 1. an underground well; 2. foundation piles; 3. a top plate; 4. a support pillar; 5. a control panel; 6. a fixing plate; 7. fixing the bolt; 8. a servo motor; 9. a rotating shaft; 10. a threaded rod; 11. a threaded rod; 12. mounting a plate; 13. limiting the telescopic rod; 14. a pressure sensor; 15. a jack; 16. a weight plate; 17. a displacement sensor; 18. pressing a plate; 19. a guide 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.
Referring to fig. 1-4, a construction engineering foundation pile compression-resistant static load test device comprises an underground well 1 and a top plate 3, a foundation pile 2 is arranged in the underground well 1, two support columns 4 are fixedly assembled on the bottom surface of the top plate 3, a control panel 5 is arranged on the surface of the support column 4 on the left side, a fixing plate 6 is fixedly assembled at the bottom ends of the two support columns 4, a servo motor 8 is fixedly assembled on the upper surface of the top plate 3, a rotating shaft 9 is fixedly connected to the output end of the servo motor 8, one end of the rotating shaft 9 penetrates and extends to the lower side of the top plate 3, a threaded rod 11 is fixedly assembled at one end of the rotating shaft 9, a threaded sleeve rod 10 is screwed on the outer surface of the threaded rod 11, a mounting plate 12 is fixedly assembled at the bottom end of the threaded sleeve rod 10, a pressure sensor 14 is fixedly assembled at the center of the bottom surface of the mounting plate 12, and a jack 15 is fixedly assembled at the receiving position of the pressure sensor 14, the output end of the jack 15 is fixedly provided with a counterweight plate 16, the bottom surface of the counterweight plate 16 is fixedly connected with a pressure plate 18, the bottom surface of the pressure plate 18 is abutted against the foundation pile 2, and a displacement sensor 17 is arranged between the counterweight plate 16 and the mounting plate 12.
Referring to fig. 1 and 2, a fixing bolt 7 is arranged on the surface of the fixing plate 6, and the fixing plate 6 is fixedly connected with the underground well 1 through the fixing bolt 7, so that the device can be conveniently fixed on the underground well 1 through the fixing plate 6, and the device can conveniently work normally.
Referring to fig. 2, the output end of the servo motor 8 is provided with a speed reducer, the output end of the servo motor 8 is fixedly connected with the rotating shaft 9 through the speed reducer, and the outer surface of the servo motor 8 is sleeved with a protective shell, so that the rotating speed of the servo motor 8 is conveniently controlled, the servo motor 8 is conveniently protected, and the service life of the servo motor 8 is prolonged.
Referring to fig. 1 and 2, the bottom surface of the top plate 3 is fixedly provided with two limiting telescopic rods 13, and one ends of the limiting telescopic rods 13 are fixedly connected with the mounting plate 12, so that the mounting plate 12 and the threaded rod 11 can be prevented from rotating along with the threaded sleeve 10, and the threaded rod 11 can be prevented from falling off from the threaded sleeve 10 to affect the normal use of the device.
Referring to fig. 2, two limit holes are formed in the mounting plate 12, two guide rods 19 are fixedly assembled on the upper surface of the counterweight plate 16, one ends of the guide rods 19 extend to the upper portion of the mounting plate 12 through the limit holes, and limit plates are fixedly assembled at one ends of the guide rods 19, so that the jack 15 is guaranteed to apply force to the foundation pile 2 through the pressing plate 18 and is always vertical to the lower portion, and the normal operation of the device is guaranteed.
Referring to fig. 1, 2 and 4, displacement sensor 17 includes displacement slide bar and displacement sensing receiver, displacement sensing receiver sets up on the surface of displacement slide bar, the bottom and the counterweight plate 16 fixed connection of displacement slide bar, the top and the mounting panel 12 sliding connection of displacement slide bar, conveniently monitor its own displacement slide bar's the distance of moving down through displacement sensor 17, the distance of moving down through the displacement slide bar calculates the resistance to compression dead load bearing capacity of pile foundation 2, reachs the biggest bearing capacity scope.
The working principle is as follows: the foundation pile compression-resistant static load test device for the building engineering is used for fixing a fixing plate 6 on the ground of an underground well 1 through a fixing bolt 7, then a servo motor 8 is started through a control panel 5, the servo motor 8 drives a rotating shaft 9 to rotate, the rotating shaft 9 drives a threaded rod 11 to rotate, the threaded rod 11 drives a threaded sleeve rod 10 to move through self movement, the threaded sleeve rod 10 drives a mounting plate 12 to move downwards, the movement of the mounting plate 12 can be limited through a limiting telescopic rod 13 arranged between a top plate 3 and the mounting plate 12, the mounting plate 12 and the threaded sleeve rod 10 can be prevented from rotating along with the threaded rod 11, the threaded rod 11 can be prevented from falling off from the threaded sleeve rod 10, the normal use of the device is influenced, the mounting plate 12 drives a balance weight plate 16 to move downwards through a driving jack 15, the balance weight plate 16 drives a pressing plate 18 to move downwards to abut against a foundation pile 2, and then the jack 15 is started through the control panel, apply quantitative pressure to foundation pile 2 through clamp plate 18, pressure sensor 14 can monitor pressure, guarantee the measuring accuracy, monitor its own downward movement distance of displacement slide bar through displacement sensor 17, the downward movement distance through the displacement slide bar is calculated pile foundation 2's resistance to compression dead load bearing capacity, reach the biggest bearing capacity scope, thereby reach the experimental purpose of resistance to compression dead load to pile foundation 2, the device simple structure, and the operation is thus simple, facilitate the work and use, and the during operation is difficult to take place dangerous healthy that influences the workman.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a building engineering foundation pile resistance to compression static load test device, includes underground shaft (1) and roof (3), the inside of underground shaft (1) is provided with foundation pile (2), its characterized in that: the bottom surface of roof (3) is fixed to be equipped with two support columns (4), and the left side the surface of support column (4) is provided with control panel (5), two the bottom of support column (4) is all fixed to be equipped with fixed plate (6), the last fixed surface of roof (3) is equipped with servo motor (8), the output fixedly connected with pivot (9) of servo motor (8), the one end of pivot (9) is run through and is extended to the below of roof (3), the one end of pivot (9) is fixed to be equipped with threaded rod (11), the surface spiro union of threaded rod (11) is equipped with threaded sleeve pole (10), the bottom end fixing of threaded sleeve pole (10) is equipped with mounting panel (12), the bottom surface center department of mounting panel (12) is fixed to be equipped with pressure sensor (14), the fixed jack (15) of being equipped with in the receipt department of pressure sensor (14), the output of jack (15) is fixed to be equipped with counterweight plate (16), the bottom surface fixedly connected with clamp plate (18) of counterweight plate (16), the bottom surface and foundation pile (2) butt of clamp plate (18), be provided with displacement sensor (17) between counterweight plate (16) and mounting panel (12).
2. The constructional engineering foundation pile compression resistance static load test device of claim 1, characterized in that: the surface of the fixing plate (6) is provided with a fixing bolt (7), and the fixing plate (6) is fixedly connected with the underground well (1) through the fixing bolt (7).
3. The constructional engineering foundation pile compression resistance static load test device of claim 1, characterized in that: the output of servo motor (8) is provided with the reduction gear, the output of servo motor (8) passes through reduction gear and pivot (9) fixed connection, the surface cover of servo motor (8) is equipped with the protective housing.
4. The constructional engineering foundation pile compression resistance static load test device of claim 1, characterized in that: the bottom surface of roof (3) is fixed to be equipped with two spacing telescopic links (13), the one end of spacing telescopic link (13) all with mounting panel (12) fixed connection.
5. The constructional engineering foundation pile compression resistance static load test device of claim 1, characterized in that: two spacing holes have been seted up to the inside of mounting panel (12), the last fixed surface of weight plate (16) is equipped with two guide arms (19), the one end of guide arm (19) extends to through spacing hole the upper portion of mounting panel (12), the one end of guide arm (19) is all fixed to be equipped with the limiting plate.
6. The constructional engineering foundation pile compression resistance static load test device of claim 1, characterized in that: displacement sensor (17) are including displacement slide bar and displacement sensing receiver, displacement sensing receiver sets up on the surface of displacement slide bar, the bottom and the weight plate (16) fixed connection of displacement slide bar, the top and mounting panel (12) sliding connection of displacement slide bar.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122737642.8U CN216208171U (en) | 2021-11-10 | 2021-11-10 | Building engineering foundation pile resistance to compression static load test device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122737642.8U CN216208171U (en) | 2021-11-10 | 2021-11-10 | Building engineering foundation pile resistance to compression static load test device |
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| CN216208171U true CN216208171U (en) | 2022-04-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114705551A (en) * | 2022-04-22 | 2022-07-05 | 青岛德泰建设工程有限公司 | Safety detection device to temporary building house |
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2021
- 2021-11-10 CN CN202122737642.8U patent/CN216208171U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114705551A (en) * | 2022-04-22 | 2022-07-05 | 青岛德泰建设工程有限公司 | Safety detection device to temporary building house |
| CN114705551B (en) * | 2022-04-22 | 2022-10-18 | 青岛德泰建设工程有限公司 | Safety detection device to temporary building house |
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