CN217870650U - Pile foundation static load detection device - Google Patents
Pile foundation static load detection device Download PDFInfo
- Publication number
- CN217870650U CN217870650U CN202221559561.1U CN202221559561U CN217870650U CN 217870650 U CN217870650 U CN 217870650U CN 202221559561 U CN202221559561 U CN 202221559561U CN 217870650 U CN217870650 U CN 217870650U
- Authority
- CN
- China
- Prior art keywords
- pile foundation
- static load
- counterweight
- synchronous hydraulic
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model relates to the technical field of building construction, in particular to a pile foundation static load detection device, which comprises a synchronous hydraulic cylinder, a counterweight plate, a counterweight block and a level meter; the synchronous hydraulic cylinders are vertically arranged on the same vertical surface and are arranged on one side of the pile foundation to be tested; one side of the counterweight plate is abutted against the upper surface of the pile foundation to be measured, the other side of the counterweight plate is hinged with the upper ends of the plurality of synchronous hydraulic cylinders, the counterweight block is arranged on the counterweight plate, and the level meter is arranged on the counterweight plate. The beneficial effects of the utility model reside in that: when the pile foundation static load detection device provided by the utility model is used, a plurality of synchronous hydraulic cylinders stretch synchronously, so that the balance weight plate is kept horizontal; the staff can be according to the demonstration result of spirit level, and then corrects the unable circumstances that makes the weight plate level of synchronous pneumatic cylinder when the weight plate keeps the level, the pressure that the weight plate was applyed to the pile foundation that is surveyed keeps vertical, makes the static load test result of the pile foundation that is surveyed accurate.
Description
Technical Field
The utility model relates to a construction technical field, concretely relates to pile foundation static load detection device.
Background
The static load test of the pile foundation is a technology applied to engineering for detecting the bearing capacity of the pile foundation, and is mainly used for determining the ultimate bearing capacity of a single pile.
For example, the invention with publication number CN104975619A discloses a pile foundation static load testing device, which comprises a jack, a force-collecting i-shaped steel, a foot-pad balancing weight, a force-bearing i-shaped steel and a pile-pressing balancing weight; the jack is placed at the top of being surveyed the pile foundation, the jack coincides with the central axis of being surveyed the pile foundation, the pad foot balancing weight is placed in being surveyed the pile foundation both sides, the I-steel that gathers strength is placed in the jack top, the focus of the I-steel that gathers strength is on the central axis of jack, the long limit of the I-steel that gathers strength is parallel with the long limit of pad foot balancing weight, the I-steel that gathers strength is placed on the pad foot balancing weight, quantity is a plurality of, the pile pressing balancing weight is placed on the I-steel that gathers strength, the quantity of pile pressing balancing weight is two times for the pile foundation design bearing capacity divides the point of single pile pressing balancing weight gravity, the pile pressing balancing weight is the pyramid and piles up. Although the invention can test the static load of the pile foundation, when the pile foundation works, the counterweight block needs to be in pyramid-shaped counter-stacking, if the position of the counterweight block is slightly deviated during counter-stacking, the gravity center of the whole counter-stacked counterweight block is not on the central axis of the pile foundation to be tested, so that the pile foundation to be tested is subjected to bending moment instead of axial compressive stress, and the measurement accuracy is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that: the pile foundation static load detection device can keep the pressure borne by the pile foundation to be detected vertical.
In order to solve the technical problem, the utility model discloses a technical scheme be: a pile foundation static load detection device comprises a synchronous hydraulic cylinder, a counterweight plate, a counterweight block and a level meter;
the synchronous hydraulic cylinders are vertically arranged on the same vertical surface and are arranged on one side of the pile foundation to be tested; one side of the counterweight plate is abutted against the upper surface of the pile foundation to be measured, the other side of the counterweight plate is hinged with the upper ends of the plurality of synchronous hydraulic cylinders, the counterweight block is arranged on the counterweight plate, and the level meter is arranged on the counterweight plate.
Furthermore, synchronous hydraulic cylinder includes cylinder body and telescopic link, be equipped with the length scale on the telescopic link.
The hydraulic synchronous hydraulic cylinder is characterized by further comprising a hinged shaft, wherein the hinged shaft and the plurality of synchronous hydraulic cylinders are positioned on the same vertical surface, and the hinged shaft is horizontally arranged;
the synchronous hydraulic cylinder comprises a cylinder body and telescopic rods, and the articulated shafts are fixedly arranged at the upper ends of the telescopic rods; the edge of the counterweight plate is rotatably connected with a hinged shaft.
Furthermore, the gradienter is the bubble gradienter, the gradienter is equipped with two, two the gradienter sets up perpendicularly, one of them the gradienter is on a parallel with a plurality of synchronous pneumatic cylinder place planes.
Furthermore, the surface of the counterweight plate is provided with a plurality of reinforcing ribs.
Furthermore, the lower surface of the counterweight plate is provided with a butt joint groove corresponding to the base end part of the pile to be measured, and the end part of the pile base to be measured is arranged in the butt joint groove.
The beneficial effects of the utility model reside in that: when the pile foundation static load detection device provided by the utility model is used, one side of the counterweight plate, which is far away from the synchronous hydraulic cylinder, is arranged at the upper end of the pile foundation to be detected, and the counterweight block is placed in the middle of the counterweight plate; the synchronous hydraulic cylinders stretch synchronously to enable the counterweight plates to be horizontal; the staff can be according to the demonstration result of spirit level, and then corrects the unable circumstances that makes the weight plate level of synchronous pneumatic cylinder when the weight plate keeps the level, the pressure that the weight plate was applyed to the pile foundation that is surveyed keeps vertical, makes the static load test result of the pile foundation that is surveyed accurate. The staff can change the quantity of balancing weight and change the pressure that is born by the foundation pile surveyed. It should be noted that, the balancing weight must be regularly set on the weight plate to the focus position of all balancing weights is convenient for confirm, and the staff can calculate the pressure that is pressed by the stake base of being surveyed according to newton's first law. The event the utility model provides a pile foundation static load detection device can in good time adjust, makes the pile foundation that is surveyed pressure keeps vertical, has ensured that the structure of the pile foundation static load test that is surveyed is accurate.
Drawings
Fig. 1 is a schematic overall structural diagram of a pile foundation static load detection device according to an embodiment of the present invention;
fig. 2 is an overall structural front view of a pile foundation static load detection device according to an embodiment of the present invention;
description of reference numerals:
1. a synchronous hydraulic cylinder; 11. a telescopic rod;
2. a weight plate; 3. a balancing weight; 4. a level gauge; 5. a tested pile foundation; 6. and a hinged shaft.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1-2, a pile foundation static load detection device includes a synchronous hydraulic cylinder 1, a counterweight plate 2, a counterweight 3 and a level meter 4;
the synchronous hydraulic cylinders 1 are arranged in plurality, the synchronous hydraulic cylinders 1 are vertically arranged on the same vertical surface, and the synchronous hydraulic cylinders 1 are arranged on one side of the pile foundation 5 to be tested; one side of the counterweight plate 2 is abutted against the upper surface of the pile foundation to be tested, the other side of the counterweight plate is hinged with the upper ends of the plurality of synchronous hydraulic cylinders 1, the counterweight block 3 is arranged on the counterweight plate 2, and the level meter 4 is arranged on the counterweight plate 2.
As can be seen from the above description, the utility model has the advantages that: when the pile foundation static load detection device provided by the utility model is used, one side of the counterweight plate 2, which is far away from the synchronous hydraulic cylinder 1, is arranged at the upper end of the pile foundation to be detected, and the counterweight block 3 is arranged in the middle of the counterweight plate 2; the synchronous hydraulic cylinders 1 extend and retract synchronously, so that the counterweight plates 2 are kept horizontal; the staff can be according to the display result of spirit level 4, and then corrects the unable circumstances that makes the balance weight plate 2 level of synchronous pneumatic cylinder 1, when balance weight plate 2 keeps the level, the pressure that the balance weight plate 2 applyed to the pile foundation that is surveyed keeps vertical, makes the dead load test result of the pile foundation that is surveyed 5 accurate. The staff can change the quantity of balancing weight 3 and change the pressure that is born by the foundation pile of quilt. It should be noted that, the clump weight 3 must be regularly arranged on the weight plate 2 to conveniently determine the gravity center position of all clump weights 3, and the staff can calculate the pressure on the pile foundation to be measured according to the first newton law. The event the utility model provides a pile foundation static load detection device can in good time adjust, makes the pile foundation that is surveyed pressure keeps vertical, has ensured that the structure of the pile foundation static load test that is surveyed is accurate.
Further, synchronous hydraulic cylinder 1 includes cylinder body and telescopic link 11, be equipped with length scale on the telescopic link 11.
It can be known from the above description, the scale on the telescopic link 11 can make things convenient for the staff to judge the length that telescopic link 11 shortens, the length that telescopic link 11 shortens equals the sunken distance of surveyed pile foundation, the scale has made things convenient for the staff to calculate the test result.
Further, the hydraulic cylinder device also comprises a hinge shaft 6, wherein the hinge shaft 6 and the plurality of synchronous hydraulic cylinders 1 are positioned on the same vertical surface, and the hinge shaft 6 is horizontally arranged;
the synchronous hydraulic cylinder 1 comprises a cylinder body and telescopic rods 11, and the articulated shafts 6 are fixedly arranged at the upper ends of the telescopic rods 11; the edge of the counterweight plate 2 is rotatably connected with a hinge shaft 6.
It can be known from the above description that the above-mentioned setting provides the hinge structure of a simple efficient weight plate 2, can set up the detachable construction of articulated shaft 6 and telescopic link 11 makes things convenient for the staff to incite somebody to action pile foundation static load detection device installs on the pile foundation of being surveyed.
Further, the level 4 is a bubble level 4, two level 4 are arranged on the level 4, the two level 4 are vertically arranged, and one level 4 is parallel to the plane where the plurality of synchronous hydraulic cylinders 1 are located.
As can be seen from the above description, although the pile foundation static load detection device is provided with the plurality of synchronous hydraulic cylinders 1 to adjust the levelness of the weight plate 2, when the setting position of the weight block 3 deviates too much, the setting position will exceed the limit of the adjusting capability of the synchronous hydraulic cylinders 1, and the worker needs to adjust the position of the weight block 3 according to the level meter 4 to avoid the non-levelness of the weight plate 2.
Furthermore, a plurality of reinforcing ribs are arranged on the surface of the counterweight plate 2.
As can be seen from the above description, the reinforcing ribs increase the strength of the weight plate 2.
Furthermore, the lower surface of the counterweight plate is provided with a butt joint groove corresponding to the base end part of the pile to be measured, and the end part of the pile base to be measured is arranged in the butt joint groove.
As can be seen from the above description, the abutting slots facilitate the installation of the weight plates on the tested pile foundation.
Example one
The utility model provides a pile foundation static load detection device's application scene does: when the pressure applied to the tested pile foundation in the static load test of the pile foundation needs to be ensured to be vertical, the test result is accurate.
Referring to fig. 1-2, a pile foundation static load detection device includes a synchronous hydraulic cylinder 1, a counterweight plate 2, a counterweight 3 and a level meter 4;
the synchronous hydraulic cylinders 1 are arranged in plurality, the synchronous hydraulic cylinders 1 are vertically arranged on the same vertical surface, and the synchronous hydraulic cylinders 1 are arranged on one side of the tested pile foundation; one side of the counterweight plate 2 is abutted against the upper surface of the pile foundation to be measured, the other side of the counterweight plate is hinged with the upper ends of the plurality of synchronous hydraulic cylinders 1, the counterweight block 3 is arranged on the counterweight plate 2, and the level meter 4 is arranged on the counterweight plate 2.
Synchronous hydraulic cylinder 1 includes cylinder body and telescopic link 11, be equipped with the length scale on the telescopic link 11.
The pile foundation static load detection device further comprises a hinge shaft 6, the hinge shaft 6 and the plurality of synchronous hydraulic cylinders 1 are located on the same vertical surface, and the hinge shaft 6 is horizontally arranged;
the synchronous hydraulic cylinder 1 comprises a cylinder body and telescopic rods 11, and the articulated shafts 6 are fixedly arranged at the upper ends of the telescopic rods 11; the edge of the counterweight plate 2 is rotatably connected with a hinge shaft 6.
The level 4 is a bubble level 4, the level 4 is provided with two levels, the two levels 4 are vertically arranged, and one level 4 is parallel to the plane where the plurality of synchronous hydraulic cylinders 1 are located. And a plurality of reinforcing ribs are arranged on the surface of the counterweight plate 2.
The utility model provides a pile foundation static load detection device's use and principle:
installing the pile foundation static load detection device on a detected pile foundation, and pressing the detected pile foundation once (namely increasing the number of the balancing weights 3) at intervals until the pressure reaches the designed static load limit of the detected pile foundation; and recording and calculating the settlement of the tested pile foundation (namely, according to the change of scales on the telescopic rod 11), and judging the actual static load limit of the tested pile foundation.
The clump weights 3 are regularly arranged on the balance weight plate 2, so that workers can conveniently determine the gravity center positions of all the clump weights 3, and further, the pressure of the pile foundation to be measured can be conveniently calculated;
according to a first Newton law, setting the gravity of all the balancing weights 3 as X newtons, setting the distance between the gravity of all the balancing weights 3 and the vertical surface of the synchronous hydraulic cylinder 1 as Y meters, setting the gravity of the balancing plate 2 as Z newtons, setting the distance between the pile foundation to be measured and the vertical surface of the synchronous hydraulic cylinder 1 as W meters, and setting the pressure applied to the pile foundation to be measured as A newtons; then:
X×Y＝(A-Z/2)×W
get A = X × Y/W + Z/2
In the static load test process of the tested pile foundation, the telescopic rod 11 is shortened according to the settlement of the tested pile foundation, and the balance weight plate 2 is kept horizontal, so that the pressure applied to the tested pile foundation is ensured to be vertical all the time;
the staff need observe spirit level 4 and further ensure the balance weight plate 2 level, and the accessible is adjusted the setting position of balancing weight 3 on balance weight plate 2 and is made balance weight plate 2 level.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (6)
1. A pile foundation static load detection device is characterized by comprising a synchronous hydraulic cylinder, a counterweight plate, a counterweight block and a level meter;
the synchronous hydraulic cylinders are vertically arranged on the same vertical surface and are arranged on one side of the pile foundation to be tested; one side of the counterweight plate is abutted against the upper surface of the pile foundation to be measured, the other side of the counterweight plate is hinged with the upper ends of the plurality of synchronous hydraulic cylinders, the counterweight block is arranged on the counterweight plate, and the level meter is arranged on the counterweight plate.
2. The device for detecting the static load of the pile foundation according to claim 1, wherein the synchronous hydraulic cylinder comprises a cylinder body and an expansion rod, and length scales are arranged on the expansion rod.
3. The pile foundation static load detection device according to claim 1, further comprising a hinge shaft, wherein the hinge shaft and the plurality of synchronous hydraulic cylinders are positioned on the same vertical surface, and the hinge shaft is horizontally arranged;
the synchronous hydraulic cylinder comprises a cylinder body and telescopic rods, and the articulated shafts are fixedly arranged at the upper ends of the telescopic rods; the edge of the counterweight plate is rotatably connected with a hinged shaft.
4. The pile foundation static load detection device of claim 1, wherein the level gauge is a bubble level gauge, the level gauge is provided with two level gauges, the two level gauges are vertically arranged, and one level gauge is parallel to the plane of the plurality of synchronous hydraulic cylinders.
5. The pile foundation static load detection device of claim 1, wherein the counter weight plate surface is provided with a plurality of reinforcing ribs.
6. A pile foundation static load detecting apparatus according to claim 1, wherein the lower surface of the weight plate is provided with an abutting groove corresponding to a base end portion of the pile to be detected, and an end portion of the pile base to be detected is provided in the abutting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221559561.1U CN217870650U (en) | 2022-06-21 | 2022-06-21 | Pile foundation static load detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221559561.1U CN217870650U (en) | 2022-06-21 | 2022-06-21 | Pile foundation static load detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217870650U true CN217870650U (en) | 2022-11-22 |
Family
ID=84097857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221559561.1U Active CN217870650U (en) | 2022-06-21 | 2022-06-21 | Pile foundation static load detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217870650U (en) |
-
2022
- 2022-06-21 CN CN202221559561.1U patent/CN217870650U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU134646U1 (en) | STAND FOR STATIC TESTS OF REINFORCED REINFORCED CONCRETE ELEMENTS | |
| CN106049559B (en) | A kind of large diameter pile foundation autobalanced detection method based on load-compensating | |
| CN112649046A (en) | Overall pushing monitoring method for whole-process simulation tied arch bridge | |
| CN109060555B (en) | Concrete creep testing device and analysis method based on four-point bending loading | |
| CN104749047A (en) | Bent member mechanical property testing device and application method thereof | |
| CN213390268U (en) | Vertical resistance to compression static load testing arrangement of single pile | |
| CN115753338A (en) | Composite bearing capacity test device and method based on power transmission tower anchor cable bearing platform | |
| CN217870650U (en) | Pile foundation static load detection device | |
| CN210376011U (en) | Large-area on-site direct shear test equipment | |
| CN111593772B (en) | Swivel bridge weighing method based on pile foundation stress measurement | |
| CN212843517U (en) | Automatic measuring device for shear deformation and vertical deformation of support | |
| CN113404100A (en) | Foundation load test device and test method thereof | |
| CN115452572B (en) | Test device and method for testing neutral axis position and longitudinal equivalent bending stiffness of shield tunnel | |
| CN109469123B (en) | Self-balancing device for horizontal loading of pile foundation of double jack and testing method | |
| CN109100232B (en) | Testing device for detecting vertical bearing capacity of climbing cone of bridge tower and using method | |
| RU77434U1 (en) | STAND FOR TESTING REINFORCED CONCRETE ELEMENTS FOR A SHORT DYNAMIC BENDING WITH COMPRESSION | |
| CN106124319A (en) | Moment of flexure active control experiment system and method | |
| CN215296993U (en) | Multi-connected rock-soil in-situ shear testing device for full-stress path tracking | |
| CN114264400A (en) | Dynamic testing device and testing method for excavating resistance of excavator | |
| CN213173854U (en) | Bridge pile base platform gradient detection device | |
| CN212391189U (en) | Be used for reinforced concrete pier anti-seismic performance loading device | |
| RU77433U1 (en) | STAND FOR TESTING REINFORCED CONCRETE ELEMENTS FOR A SHORT DYNAMIC BENDING | |
| CN211849649U (en) | Centrifugal model test device for measuring vertical and horizontal limit bearing capacity of pile foundation | |
| CN106939622A (en) | Influence development test device of the enlarged footing spacing to base expanding and base expanding resistance to plucking pile bearing capacity | |
| CN210946909U (en) | Vertical resistance to plucking static test equipment of single pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |