CN112982508B - Foundation detects anti-floating pile resistance to plucking bearing capacity testing arrangement - Google Patents
Foundation detects anti-floating pile resistance to plucking bearing capacity testing arrangement Download PDFInfo
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- CN112982508B CN112982508B CN202110203519.XA CN202110203519A CN112982508B CN 112982508 B CN112982508 B CN 112982508B CN 202110203519 A CN202110203519 A CN 202110203519A CN 112982508 B CN112982508 B CN 112982508B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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Abstract
A foundation detection uplift pile uplift bearing capacity testing device comprises a cross beam, a laser ranging sensor, an amplifier, a controller, a supporting assembly, a testing assembly and a connecting assembly; the supporting component comprises a telescopic rod and a supporting block; the test component comprises a flat plate, a mounting rod, a baffle, a spring, a force measuring sensor, a pressing plate, a screw rod and a nut; the connecting assembly comprises a rotating block, a drill bit, a motor, a blocking sleeve and a transmission rod; in the invention, the supporting assembly is arranged and matched with the controller and the laser ranging sensor, so that the angle of the cross beam can be adjusted, the level of the cross beam is ensured, and the influence of uneven ground on a test result is eliminated; the testing assembly is arranged, and the tension force during testing is fed back to the controller in real time by using the force transducer, so that the fixed value is prevented from being input for many times, and the time is saved; set up coupling assembling, utilize motor drive drill bit to bore into the upper end of uplift pile, realize being connected with the uplift pile, it is firm to connect, is difficult for droing.
Description
Technical Field
The invention relates to the technical field of foundation detection equipment, in particular to a device for testing the uplift bearing capacity of an uplift pile for foundation detection.
Background
With the advance of urbanization, the more complex the building shape and the higher the number of layers, the larger the foundation depth of the building is, the greater the influence of underground water on the building is, and the more prominent the anti-floating problem is, so that the anti-pulling of the pile needs to be detected. At present, when the uplift bearing capacity of a pile is detected, a hydraulic machine is tied to the upper end of the pile, then a hydraulic rod is started beside the pile, a fixed value of pulling force is input to the hydraulic rod, whether the pile under the fixed value can be pulled up or not is observed, and if the pile is pulled up, the pile is unqualified. The method is time-consuming, the fixed value of the pulling force needs to be input for many times, and the fixed value is gradually increased to be close to the pulling-resistant bearing capacity; in addition, the ground is not necessarily horizontal during testing, and the existing method has no leveling means, so that the vertical direction of the applied force is difficult to ensure, and the test result is influenced.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides a device for testing the uplift bearing capacity of an uplift pile for foundation detection, which is provided with a supporting assembly, the supporting assembly is matched with a controller and a laser ranging sensor, the angle of a cross beam can be adjusted, the level of the cross beam is ensured, and the influence of uneven ground on a test result is eliminated; the testing assembly is arranged, and the tension force during testing is fed back to the controller in real time by using the force transducer, so that the fixed value is prevented from being input for many times, and the time is saved; set up coupling assembling, utilize motor drive drill bit to bore into the upper end of uplift pile, realize being connected with the uplift pile, it is firm to connect, is difficult for droing.
(II) technical scheme
In order to solve the problems, the invention provides a device for testing the uplift bearing capacity of an uplift pile for foundation detection, which comprises a cross beam, a laser ranging sensor, an amplifier, a controller, a supporting assembly, a testing assembly and a connecting assembly, wherein the cross beam is connected with the laser ranging sensor; the two sides of the lower end of the cross beam are provided with supporting components, and the upper end of the cross beam is provided with an amplifier and a controller; the testing assembly penetrates through the middle position of the cross beam, the lower end of the testing assembly is positioned below the cross beam, and the connecting assembly is arranged; the laser ranging sensor is arranged at the lower end of the cross beam and positioned at two sides of the test assembly; the supporting component comprises a telescopic rod and a supporting block; the upper end of the supporting block is provided with a first groove; the upper end of the telescopic rod is connected with two sides of the cross beam, the lower end of the telescopic rod extends into the first groove, the groove wall of the first groove is rotatably connected, and the rotating shaft is arranged along the front-back direction; the test component comprises a flat plate, a mounting rod, a baffle, a spring, a force measuring sensor, a pressing plate, a screw rod and a nut; the flat plate is arranged below the cross beam, and mounting rods are arranged on two sides of the upper end of the flat plate; the two groups of mounting rods are vertical; two groups of second grooves are formed in the upper end of the cross beam; the baffle is arranged inside the second groove; the upper end of the spring is connected with the baffle plate, and the lower end of the spring is connected with the inner bottom surface of the second groove; the force measuring sensor is arranged on the inner bottom surface of the second groove; the upper end of the mounting rod penetrates through the cross beam and the baffle from bottom to top and extends out of the second groove; the pressing plate is sleeved at the upper end of the mounting rod, the lower end of the pressing plate is in contact with the baffle plate, and the upper end of the pressing plate is flush with the mounting rod; the screw rod is arranged at the upper end of the mounting rod; the nut is sleeved on the screw and is in threaded connection with the screw, and the lower end of the nut is in contact with the pressing plate; the connecting assembly comprises a rotating block, a drill bit, a motor, a blocking sleeve and a transmission rod; a plurality of holes are symmetrically arranged at the upper end of the flat plate; the rotating block is rotatably arranged on the inner bottom surface of the hole, and a drill bit is arranged at the center of the lower end of the rotating block; the lower end of the drill bit extends out of the flat plate downwards; the blocking sleeve is arranged in the hole, the lower end of the blocking sleeve is in contact with the rotating block, and the upper end of the blocking sleeve is connected with the upper end of the flat plate; the motor is arranged above the flat plate, and the output shaft is downwards provided with a transmission rod; the lower end of the transmission rod is connected with the rotating block.
Preferably, a groove is arranged at the center of the upper end of the rotating block; the lower end of the transmission rod is arranged in the groove; a sliding groove is arranged on the side wall of the groove; a slide block is arranged on the side wall of the lower end of the transmission rod; the slider sets up inside the spout.
Preferably, a first ball is arranged between the lower end of the blocking sleeve and the upper end of the rotating block; and a second ball is arranged between the bottom end inside the hole and the rotating block.
Preferably, the upper end of the blocking sleeve is provided with a screw; the screw penetrates through the blocking sleeve and is in threaded connection with the flat plate.
Preferably, the upper end of the blocking sleeve is provided with a protective cover; the motor sets up at the inside top of guard shield.
Preferably, the side wall of the lower end of the supporting block is provided with a fixing part with a sharp lower end, and the lower end of the supporting block is provided with a rubber pad.
Preferably, the upper end of the side wall of the second groove is provided with a stop block; the stopper is in contact with the upper end edge of the baffle.
Preferably, the lower end of the nut is provided with an elastic washer; the elastic washer is sleeved on the screw rod.
The technical scheme of the invention has the following beneficial technical effects:
in the invention, the supporting assembly is arranged and matched with the controller and the laser ranging sensor, so that the angle of the cross beam can be adjusted, the level of the cross beam is ensured, and the influence of uneven ground on a test result is eliminated; the testing assembly is arranged, and the tension force during testing is fed back to the controller in real time by using the force transducer, so that the fixed value is prevented from being input for many times, and the time is saved; set up coupling assembling, utilize motor drive drill bit to bore into the upper end of uplift pile, realize being connected with the uplift pile, it is firm to connect, is difficult for droing.
Drawings
Fig. 1 is a schematic structural diagram of a device for testing the uplift bearing capacity of an uplift pile for foundation detection according to the present invention.
Fig. 2 is a partially enlarged view of a position a in the device for testing the uplift bearing capacity of the foundation detection uplift pile according to the invention.
Fig. 3 is a partially enlarged view of a portion B of the apparatus for testing the uplift bearing capacity of the uplift pile for foundation detection according to the present invention.
Reference numerals: 1. a cross beam; 2. a laser ranging sensor; 3. an amplifier; 4. a controller; 5. a telescopic rod; 6. a support block; 7. a first groove; 8. a flat plate; 9. mounting a rod; 10. a second groove; 11. a baffle plate; 12. a spring; 13. a force sensor; 14. pressing a plate; 15. a screw; 16. a nut; 17. rotating the block; 18. a drill bit; 19. a motor; 20. a blocking sleeve; 21. a transmission rod; 22. a groove; 23. a slider; 24. a chute; 25. a first ball; 26. a second ball bearing; 27. a screw; 28. a protective cover; 29. a fixing member; 30. a rubber pad; 31. a stopper; 32. an elastic washer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-3, the uplift bearing capacity testing device for foundation detection uplift piles, provided by the invention, comprises a beam 1, a laser ranging sensor 2, an amplifier 3, a controller 4, a supporting component, a testing component and a connecting component; two sides of the lower end of the beam 1 are provided with supporting components, and the upper end is provided with an amplifier 3 and a controller 4; the testing assembly penetrates through the middle position of the cross beam 1, the lower end of the testing assembly is positioned below the cross beam 1, and the connecting assembly is arranged; the laser ranging sensor 2 is arranged at the lower end of the cross beam 1 and positioned at two sides of the testing assembly; the supporting component comprises a telescopic rod 5 and a supporting block 6; the upper end of the supporting block 6 is provided with a first groove 7; the upper end of the telescopic rod 5 is connected with two sides of the cross beam 1, the lower end of the telescopic rod extends into the first groove 7, the groove wall of the first groove 7 is rotatably connected, and the rotating shaft is arranged along the front-back direction; the testing component comprises a flat plate 8, a mounting rod 9, a baffle plate 11, a spring 12, a load cell 13, a pressure plate 14, a screw rod 15 and a nut 16; the flat plate 8 is arranged below the cross beam 1, and mounting rods 9 are arranged on two sides of the upper end of the flat plate; the two groups of mounting rods 9 are vertical; two groups of second grooves 10 are formed in the upper end of the cross beam 1; the baffle 11 is arranged inside the second groove 10; the upper end of the spring 12 is connected with the baffle 11, and the lower end of the spring is connected with the inner bottom surface of the second groove 10; the load cell 13 is arranged on the inner bottom surface of the second groove 10; the upper end of the mounting rod 9 penetrates through the cross beam 1 and the baffle 11 from bottom to top and extends out of the second groove 10; the pressing plate 14 is sleeved at the upper end of the mounting rod 9, the lower end of the pressing plate is in contact with the baffle plate 11, and the upper end of the pressing plate is flush with the mounting rod 9; the screw rod 15 is arranged at the upper end of the mounting rod 9; the nut 16 is sleeved on the screw rod 15 and is in threaded connection with the screw rod 15, and the lower end of the nut is in contact with the pressing plate 14; the connecting assembly comprises a rotating block 17, a drill bit 18, a motor 19, a blocking sleeve 20 and a transmission rod 21; a plurality of holes are symmetrically arranged at the upper end of the flat plate 8; the rotating block 17 is rotatably arranged on the inner bottom surface of the hole, and a drill bit 18 is arranged at the center of the lower end of the rotating block; the lower end of the drill bit 18 extends downwards out of the flat plate 8; the blocking sleeve 20 is arranged in the hole, the lower end of the blocking sleeve is contacted with the rotating block 17, and the upper end of the blocking sleeve is connected with the upper end of the flat plate 8; the motor 19 is arranged above the flat plate 8, and the output shaft is downwards provided with a transmission rod 21; the lower end of the transmission rod 21 is connected with the rotating block 17.
In an alternative embodiment, a slot is provided in the center of the upper end of the turning block 17; the lower end of the transmission rod 21 is arranged in the groove; a sliding groove 24 is arranged on the side wall of the groove; a slide block 23 is arranged on the side wall of the lower end of the transmission rod 21; the slider 23 is disposed inside the chute 24.
In an alternative embodiment, a ball I25 is arranged between the lower end of the blocking sleeve 20 and the upper end of the rotating block 17; and a second ball 26 is arranged between the inner bottom end of the hole and the rotating block 17.
In an alternative embodiment, the upper end of the blocking sleeve 20 is provided with a screw 27; the screw 27 passes through the blocking sleeve 20 and is screwed to the plate 8.
In an alternative embodiment, the upper end of the blocking sleeve 20 is provided with a protective cover 28; the motor 19 is disposed at the inner top end of the protective cover 28.
In an alternative embodiment, the supporting block 6 is provided with a fixing member 29 with a sharp lower end on the side wall of the lower end, and a rubber pad 30 on the lower end.
In an alternative embodiment, a stop 31 is arranged at the upper end of the side wall of the second groove 10; the stopper 31 is in contact with the upper end edge of the shutter 11.
In an alternative embodiment, the lower end of the nut 16 is provided with a resilient washer 32; the elastic washer 32 is sleeved on the screw 15.
According to the working principle of the device, the device is placed on two sides of an uplift pile in a spanning mode, two groups of laser ranging sensors 2 feed data back to a controller 4, the controller 4 adjusts the length of a telescopic rod 5, and a cross beam 1 is kept horizontal; the motor 19 drives the drill bit 18 to rotate, the telescopic rod 5 is shortened, the drill bit 18 is inserted into the upper end of the uplift pile, the telescopic rod 5 is extended, the pulling force is transmitted to the force measuring sensor 13 through the mounting rod 9, the force measuring sensor 13 feeds data back to the controller 4 through the amplifier 3 in real time, according to the principle that the maximum static friction force is larger than the dynamic friction force, the data value can suddenly drop at the moment that the uplift pile is pulled, after the sudden drop of the data value is detected, the controller 4 immediately stops the action of the device, and meanwhile, the controller 4 keeps the maximum value of the data before sudden drop as a test result.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. The device for testing the uplift bearing capacity of the uplift pile for foundation detection is characterized by comprising a cross beam (1), a laser ranging sensor (2), an amplifier (3), a controller (4), a supporting assembly, a testing assembly and a connecting assembly; two sides of the lower end of the beam (1) are provided with supporting components, and the upper end is provided with an amplifier (3) and a controller (4); the testing assembly penetrates through the middle position of the cross beam (1), the lower end of the testing assembly is positioned below the cross beam (1), and the connecting assembly is arranged; the laser ranging sensor (2) is arranged at the lower end of the cross beam (1) and positioned at two sides of the test assembly; the supporting component comprises a telescopic rod (5) and a supporting block (6); the upper end of the supporting block (6) is provided with a first groove (7); the upper end of the telescopic rod (5) is connected with two sides of the cross beam (1), the lower end of the telescopic rod extends into the first groove (7), the upper end of the telescopic rod is rotatably connected with the groove wall of the first groove (7), and the rotating shaft is arranged along the front-back direction;
the testing component comprises a flat plate (8), a mounting rod (9), a baffle (11), a spring (12), a force measuring sensor (13), a pressing plate (14), a screw (15) and a nut (16); the flat plate (8) is arranged below the cross beam (1), and the two sides of the upper end of the flat plate are provided with mounting rods (9); the two groups of mounting rods (9) are vertical; two groups of second grooves (10) are formed in the upper end of the cross beam (1); the baffle (11) is arranged inside the second groove (10); the upper end of the spring (12) is connected with the baffle (11), and the lower end of the spring is connected with the inner bottom surface of the second groove (10); the force measuring sensor (13) is arranged on the inner bottom surface of the second groove (10); the upper end of the mounting rod (9) penetrates through the cross beam (1) and the baffle (11) from bottom to top and extends out of the second groove (10); the pressing plate (14) is sleeved at the upper end of the mounting rod (9), the lower end of the pressing plate is in contact with the baffle plate (11), and the upper end of the pressing plate is flush with the mounting rod (9); the screw (15) is arranged at the upper end of the mounting rod (9); the nut (16) is sleeved on the screw rod (15) and is in threaded connection with the screw rod (15), and the lower end of the nut is in contact with the pressing plate (14);
the connecting assembly comprises a rotating block (17), a drill bit (18), a motor (19), a blocking sleeve (20) and a transmission rod (21); a plurality of holes are symmetrically arranged at the upper end of the flat plate (8); the rotating block (17) is rotatably arranged on the inner bottom surface of the hole, and a drill bit (18) is arranged at the center of the lower end of the rotating block; the lower end of the drill bit (18) extends downwards out of the flat plate (8); the blocking sleeve (20) is arranged in the hole, the lower end of the blocking sleeve is in contact with the rotating block (17), and the upper end of the blocking sleeve is connected with the upper end of the flat plate (8); the motor (19) is arranged above the flat plate (8), and the output shaft is downwards provided with a transmission rod (21); the lower end of the transmission rod (21) is connected with the rotating block (17).
2. The device for testing the uplift bearing capacity of the foundation detection uplift pile according to the claim 1, wherein a groove is arranged at the center of the upper end of the rotating block (17); the lower end of the transmission rod (21) is arranged in the groove; a sliding groove (24) is arranged on the side wall of the groove; a slide block (23) is arranged on the side wall of the lower end of the transmission rod (21); the slide block (23) is arranged inside the sliding groove (24).
3. The device for testing the uplift bearing capacity of the foundation detection uplift pile according to claim 1, wherein a first ball (25) is arranged between the lower end of the blocking sleeve (20) and the upper end of the rotating block (17); a second ball (26) is arranged between the bottom end in the hole and the rotating block (17).
4. The device for testing the uplift bearing capacity of the foundation detection uplift pile according to claim 1, wherein a screw (27) is arranged at the upper end of the blocking sleeve (20); the screw (27) passes through the blocking sleeve (20) and is in threaded connection with the plate (8).
5. The device for testing the uplift bearing capacity of the foundation detection uplift pile according to claim 1, wherein a protective cover (28) is arranged at the upper end of the blocking sleeve (20); the motor (19) is arranged at the top end inside the protective cover (28).
6. The device for testing the uplift bearing capacity of the foundation detection uplift pile according to claim 1, wherein a fixing member (29) with a sharp lower end is arranged on the side wall of the lower end of the supporting block (6), and a rubber pad (30) is arranged at the lower end.
7. The device for testing the uplift bearing capacity of the foundation detection uplift pile according to the claim 1, wherein a stop block (31) is arranged at the upper end of the side wall of the second groove (10); the stopper (31) is in contact with the upper end edge of the baffle (11).
8. The device for testing the uplift bearing capacity of the foundation detection uplift pile according to claim 1, wherein an elastic washer (32) is arranged at the lower end of the nut (16); the elastic washer (32) is sleeved on the screw rod (15).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110203519.XA CN112982508B (en) | 2021-02-24 | 2021-02-24 | Foundation detects anti-floating pile resistance to plucking bearing capacity testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110203519.XA CN112982508B (en) | 2021-02-24 | 2021-02-24 | Foundation detects anti-floating pile resistance to plucking bearing capacity testing arrangement |
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| CN112982508A CN112982508A (en) | 2021-06-18 |
| CN112982508B true CN112982508B (en) | 2022-05-24 |
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| CN202110203519.XA Active CN112982508B (en) | 2021-02-24 | 2021-02-24 | Foundation detects anti-floating pile resistance to plucking bearing capacity testing arrangement |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116086670A (en) * | 2023-01-09 | 2023-05-09 | 中国第一汽车股份有限公司 | Measuring system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU92537U1 (en) * | 2009-11-19 | 2010-03-20 | Государственное образовательное учреждение высшего профессионального образования "Томский государственный архитектурно-строительный университет" (ГОУВПО "ТГАСУ") | STAND FOR TESTING REINFORCED CONCRETE ELEMENTS FOR A SHORT-DYNAMIC DYNAMIC BEND WITH Malleable Supports |
| CN207197912U (en) * | 2017-06-16 | 2018-04-06 | 中冶建筑研究总院有限公司 | Metal Roof system anti-pulling capacity detection means |
| CN208981376U (en) * | 2018-09-07 | 2019-06-14 | 河北华宇工程检测有限公司 | A kind of foundation pile pulling resistance testing device |
| CN209764596U (en) * | 2019-04-15 | 2019-12-10 | 安徽省建筑工程质量第二监督检测站 | Main muscle disconnect-type anti-floating anchor rod stake full-size resistance to plucking detection device |
| CN211122325U (en) * | 2019-10-25 | 2020-07-28 | 济南恒瑞工程检测有限公司 | Anchor rod anti-pulling detection device |
-
2021
- 2021-02-24 CN CN202110203519.XA patent/CN112982508B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU92537U1 (en) * | 2009-11-19 | 2010-03-20 | Государственное образовательное учреждение высшего профессионального образования "Томский государственный архитектурно-строительный университет" (ГОУВПО "ТГАСУ") | STAND FOR TESTING REINFORCED CONCRETE ELEMENTS FOR A SHORT-DYNAMIC DYNAMIC BEND WITH Malleable Supports |
| CN207197912U (en) * | 2017-06-16 | 2018-04-06 | 中冶建筑研究总院有限公司 | Metal Roof system anti-pulling capacity detection means |
| CN208981376U (en) * | 2018-09-07 | 2019-06-14 | 河北华宇工程检测有限公司 | A kind of foundation pile pulling resistance testing device |
| CN209764596U (en) * | 2019-04-15 | 2019-12-10 | 安徽省建筑工程质量第二监督检测站 | Main muscle disconnect-type anti-floating anchor rod stake full-size resistance to plucking detection device |
| CN211122325U (en) * | 2019-10-25 | 2020-07-28 | 济南恒瑞工程检测有限公司 | Anchor rod anti-pulling detection device |
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