CN210684819U - Pile foundation resistance to plucking performance detection device - Google Patents
Pile foundation resistance to plucking performance detection device Download PDFInfo
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- CN210684819U CN210684819U CN201921553016.XU CN201921553016U CN210684819U CN 210684819 U CN210684819 U CN 210684819U CN 201921553016 U CN201921553016 U CN 201921553016U CN 210684819 U CN210684819 U CN 210684819U
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Abstract
The utility model discloses a pile foundation resistance to plucking performance detection device, including base and frame, the frame mounting is directly over the base, and the below of base is provided with the supporting seat, it is fixed with pressure sensor to support between supporting seat and the base, and pressure sensor is a plurality of, the opening has been seted up at the middle part of base and supporting seat, and supports through first pneumatic cylinder on the base of opening upper end and be fixed with fixed frame, and first pneumatic cylinder is two, and two first pneumatic cylinders distribute in the lower extreme left and right sides of fixed frame. The utility model discloses a make fixed frame support at the base surface through first pneumatic cylinder, make simultaneously to be connected fixed second pneumatic cylinder between both sides and the frame around the upper end of fixed frame, fixed frame can provide ascending pulling force for the pile foundation under the effect of first pneumatic cylinder and second pneumatic cylinder work to alleviate the atress of frame and every pneumatic cylinder, and it is good to the detection effect of device.
Description
Technical Field
The utility model relates to a pile foundation detects technical field, specifically is a pile foundation resistance to plucking performance detection device.
Background
At present, the uplift bearing capacity detection of the pile foundation is carried out by construction engineering design and engineering acceptance, the uplift bearing capacity detection of the pile foundation at present is usually carried out by welding a main rib or a core-filling steel bar of a detection pile on a pressure-bearing steel plate, connecting the main rib or the core-filling steel bar to the pressure-bearing steel plate on a jack through a conversion steel bar, and jacking and applying the uplift load through the jack.
Patent No. CN201720797079.4 discloses a pile foundation resistance to plucking performance detection device, the horizontal extension board is installed to the clamping device top, horizontal extension board and leg joint are connected, the jack is installed to the top in the middle of the horizontal extension board, the jack top is provided with the balance plate, the jack offsets with the balance plate, pressure sensor is installed to the balance plate bottom, the balance plate both ends are passed through the guide bar and are connected with clamping device, this pile foundation resistance to plucking performance detection device has realized the miniaturization, it is also more convenient to use.
But this kind of device provides ascending pulling force for the pile foundation in the top through the jack, but only provides ascending pulling force through a jack, can make whole pressure apply in the upper end of support, can cause great pressure to the support, and the atress of jack is also too big simultaneously, makes jack and support atress too big and damage easily for tensile detection effect to the pile foundation is not good. Therefore, a device for detecting the uplift resistance of the pile foundation is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pile foundation resistance to plucking performance detection device makes fixed frame support at the base surface through first pneumatic cylinder, makes simultaneously to be connected fixed second pneumatic cylinder between both sides and the frame around the upper end of fixed frame, and fixed frame can provide ascending pulling force for the pile foundation under the effect of first pneumatic cylinder and second pneumatic cylinder work to alleviate the atress of frame and every pneumatic cylinder, and it is effectual to the detection of device, solved the problem that proposes in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a pile foundation uplift resistance detection device comprises a base and a frame, wherein the frame is fixed right above the base, a supporting seat is arranged below the base, and a plurality of pressure sensors are supported and fixed between the supporting seat and the base;
the opening has been seted up at the middle part of base and supporting seat, and be fixed with fixed frame through first pneumatic cylinder support on the base of opening upper end, first pneumatic cylinder is two, and two first pneumatic cylinders distribute in the lower extreme left and right sides of fixed frame, be fixed with the second pneumatic cylinder between the middle part lower extreme of both sides and frame around the fixed frame upper end, the second pneumatic cylinder is two, and two second pneumatic cylinder connections are fixed between both sides and frame around fixed frame, fixed frame encircles and is fixed in the outer lane of pile foundation, and the surface of fixed frame connects soon and is fixed with the gim peg, the gim peg is a plurality of, and the inboard of a plurality of gim pegs all contradicts on the surface of pile foundation.
As a preferred embodiment of the utility model, the fixed plate welded fastening of second pneumatic cylinder through the bottom is in the upper end of fixed frame, and the fixed plate runs through the bolt and connects soon in the upper end of fixed frame.
As an optimized embodiment of the present invention, both sides of the upper end of the base are fixed with hydraulic pumps, and the hydraulic pumps are connected with the first hydraulic cylinder and the second hydraulic cylinder through solenoid control valves.
As a preferred embodiment of the present invention, the solenoid control valves of the first hydraulic cylinder and the second hydraulic cylinder are connected to a control computer.
As a preferred embodiment of the present invention, the pressure sensor is a DYTSC type, and the output of the pressure sensor is connected to the input of the control computer.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a pile foundation resistance to plucking performance detection device makes fixed frame support at the base surface through first pneumatic cylinder, makes simultaneously to be connected fixed second pneumatic cylinder between both sides and the frame around the upper end of fixed frame, and fixed frame can provide ascending pulling force for the pile foundation under the effect of first pneumatic cylinder and second pneumatic cylinder work to alleviate the atress of frame and every pneumatic cylinder, and it is effectual to the detection of device.
2. The utility model discloses a pile foundation resistance to plucking performance detection device, fixed plate welded fastening through making the second pneumatic cylinder pass through the bottom is in the upper end of fixed frame, and the fixed plate runs through the bolt and connects soon in the upper end of fixed frame, and the fixed plate passes through the welding and fixes the upper end at fixed frame with the dual mode of bolt for fixed relatively firm between second pneumatic cylinder and the fixed frame.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view of the overall structure of the pile foundation uplift resistance detection device of the utility model;
FIG. 2 is a schematic view of the connection structure of the fixing frame and the pile foundation of the pile foundation uplift resistance detection device of the present invention;
fig. 3 is the utility model discloses pile foundation resistance to plucking performance detection device's circuit connection structure schematic diagram.
In the figure: 1. a base; 2. a frame; 3. a bolt; 4. a fixing frame; 5. a first hydraulic cylinder; 6. a hydraulic pump; 7. a port; 8. a supporting seat; 9. a second hydraulic cylinder; 10. a fixing plate; 11. a fixing bolt; 12. a pile foundation; 13. a pressure sensor.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-3, the present invention provides a technical solution: a pile foundation uplift resistance detection device comprises a base 1 and a frame 2, wherein the frame 2 is fixed right above the base 1, a supporting seat 8 is arranged below the base 1, a plurality of pressure sensors 13 are supported and fixed between the supporting seat 8 and the base 1, and the number of the pressure sensors 13 is multiple;
opening 7 has been seted up at the middle part of base 1 and supporting seat 8, and support through first pneumatic cylinder 5 on the base 1 of opening 7 upper end and be fixed with fixed frame 4, first pneumatic cylinder 5 is two, and two first pneumatic cylinders 5 distribute in the lower extreme left and right sides of fixed frame 4, be fixed with second pneumatic cylinder 9 between the middle part lower extreme of both sides and frame 2 around the fixed frame 4 upper end, second pneumatic cylinder 9 is two, and two second pneumatic cylinders 9 are connected and are fixed between both sides and frame 2 around fixed frame 4, fixed frame 4 encircles and fixes the outer lane at pile foundation 12, and the surface of fixed frame 4 connects soon and is fixed with gim peg 11, gim peg 11 is a plurality of, and the inboard of a plurality of gim pegs 11 all contradicts on the surface of pile foundation 12.
In this embodiment (please refer to fig. 1 and 2), the fixing frame 4 is supported on the surface of the base 1 through the first hydraulic cylinder 5, and the second hydraulic cylinder 9 is connected and fixed between the front and rear sides of the upper end of the fixing frame 4 and the frame 2, and the fixing frame 4 can provide upward tension for the pile foundation 12 under the action of the first hydraulic cylinder 5 and the second hydraulic cylinder 9, so as to reduce the stress of the frame 2 and each hydraulic cylinder, and the detection effect of the device is good.
Wherein, the second pneumatic cylinder 9 passes through the fixed plate 10 welded fastening of bottom in the upper end of fixed frame 4, and the fixed plate 10 runs through the bolt 3 and connects soon in the upper end of fixed frame 4.
In the embodiment (see fig. 1), the second hydraulic cylinder 9 is welded and fixed to the upper end of the fixing frame 4 through the bottom fixing plate 10, the fixing plate 10 is screwed to the upper end of the fixing frame 4 through the bolt 3, and the fixing plate 10 is fixed to the upper end of the fixing frame 4 through welding and the bolt 3, so that the second hydraulic cylinder 9 and the fixing frame 4 are fixed relatively firmly.
The hydraulic pump 6 is fixed on both sides of the upper end of the base 1, and the hydraulic pump 6 is connected with the first hydraulic cylinder 5 and the second hydraulic cylinder 9 through the electromagnetic control valve.
In this embodiment (see fig. 1), the first hydraulic cylinder 5 and the second hydraulic cylinder 9 can be powered by the hydraulic pump 6.
Wherein, the electromagnetic control valves of the first hydraulic cylinder 5 and the second hydraulic cylinder 9 are connected with a control computer.
In this embodiment (see fig. 1 and 3), the electromagnetic control valves of the first hydraulic cylinder 5 and the second hydraulic cylinder 9 are connected to a control computer, so that the first hydraulic cylinder 5 and the second hydraulic cylinder 9 can be controlled.
Wherein, the type of the pressure sensor 13 is DYTSC, and the output end of the pressure sensor 13 is connected with the input end of the control computer.
In this embodiment (see fig. 1 and fig. 3), the pressure sensor 13 is connected to the control computer, so that the magnitude of the tensile force applied to the pile foundation can be detected by the pressure sensor 13.
It should be noted that the present invention relates to a pile foundation pulling resistance detection device, which comprises a base 1, a frame 2, a bolt 3, a fixing frame 4, a first hydraulic cylinder 5, a hydraulic pump 6, a port 7, a support seat 8, a second hydraulic cylinder 9, a fixing plate 10, a fixing bolt 11, a pile foundation 12, and a pressure sensor 13, wherein the components are all universal standard components or components known by those skilled in the art, the structure and principle of the components are known by those skilled in the art through technical manuals or conventional experimental methods, the electrical connection between the electrical devices is completed in sequence, the detailed connection means is a known technology in the art, the following description mainly describes the working principle and process, no description is made on electrical control, when in operation, the base 1, the support seat 8, and the frame 2 are suspended as shown in the attached drawing 1, the fixing bolt 11 is screwed by a tool, the fixing bolt 11 moves to the inner side and is finally supported between the outer surface groove of the pile foundation 12 or the steel bar of, the fixing frame 4 can be firmly connected and fixed with the pile foundation 12, after the hydraulic pump 6 is electrified, the first hydraulic cylinder 5 and the second hydraulic cylinder 9 are operated through a control computer and an electromagnetic control valve, the first hydraulic cylinder 5 pushes the fixing frame 4 upwards, the second hydraulic cylinder 9 pulls the fixing frame 4 upwards, the total tension force borne by the pile foundation 12 at the moment is equal to the pressure (namely the data detected by the pressure sensor 13) of the movable supporting seat pressed downwards by the base 1, and the pulling resistance of the pile foundation 12 can be detected; according to the physical principle that the forces are mutual, it can be known that the pulling force applied to the pile foundation 12 is equal to the supporting force of the first hydraulic cylinder 5 at the bottom and the pulling force applied to the upper end of the second hydraulic cylinder 9, while the pressure of the first hydraulic cylinder 5 on the base 1 is equal to the supporting force of the first hydraulic cylinder 5 on the pile foundation 12, the downward pressure of the second hydraulic cylinder 9 on the frame 2 (base 1) is equal to the upward pulling force of the second hydraulic cylinder 9 on the pile foundation 12, so that it can be known that the total pressure applied to the base 1 is equal to the supporting force of the first hydraulic cylinder 5 at the bottom and the pulling force applied to the upper end of the second hydraulic cylinder 9 (i.e. the pulling force applied to the pile foundation 12), similarly, the pressure applied to the pressure sensor 13 on the supporting seat 8 by the base 1 is equal to the pulling force applied to the pile foundation 12, and the pressure value measured by the pressure sensor 13, so that the influence of the device on the value automatically does not have to be taken into account).
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a pile foundation resistance to plucking performance detection device, includes base (1) and frame (2), its characterized in that: the frame (2) is fixed right above the base (1), a supporting seat (8) is arranged below the base (1), a plurality of pressure sensors (13) are supported and fixed between the supporting seat (8) and the base (1), and the number of the pressure sensors (13) is multiple;
the middle parts of the base (1) and the supporting seat (8) are provided with through holes (7), and the base (1) at the upper end of the through hole (7) is fixedly provided with a fixed frame (4) through a first hydraulic cylinder (5) in a supporting way, the number of the first hydraulic cylinders (5) is two, two first hydraulic cylinders (5) are distributed on the left side and the right side of the lower end of the fixed frame (4), two second hydraulic cylinders (9) are fixed between the front side and the rear side of the upper end of the fixed frame (4) and the lower end of the middle part of the frame (2), the number of the second hydraulic cylinders (9) is two, and the two second hydraulic cylinders (9) are connected and fixed between the front side and the rear side of the fixed frame (4) and the frame (2), the fixed frame (4) is fixed around the outer ring of the pile foundation (12), and the surface of the fixed frame (4) is rotationally connected and fixed with a plurality of fixed bolts (11), the number of the fixed bolts (11) is more than one, and the inner sides of the fixing bolts (11) are abutted against the surface of the pile foundation (12).
2. The device for detecting the uplift resistance of the pile foundation according to claim 1, wherein: the second hydraulic cylinder (9) is welded and fixed at the upper end of the fixed frame (4) through a fixed plate (10) at the bottom, and the fixed plate (10) is screwed at the upper end of the fixed frame (4) through a bolt (3).
3. The device for detecting the uplift resistance of the pile foundation according to claim 1, wherein: both sides of the upper end of the base (1) are fixed with hydraulic pumps (6), and the hydraulic pumps (6) are connected with a first hydraulic cylinder (5) and a second hydraulic cylinder (9) through electromagnetic control valves.
4. The device for detecting the uplift resistance of the pile foundation according to claim 3, wherein: the electromagnetic control valves of the first hydraulic cylinder (5) and the second hydraulic cylinder (9) are connected with a control computer.
5. The device for detecting the uplift resistance of the pile foundation according to claim 1, wherein: the type of the pressure sensor (13) is DYTSC, and the output end of the pressure sensor (13) is connected with the input end of a control computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921553016.XU CN210684819U (en) | 2019-09-18 | 2019-09-18 | Pile foundation resistance to plucking performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921553016.XU CN210684819U (en) | 2019-09-18 | 2019-09-18 | Pile foundation resistance to plucking performance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210684819U true CN210684819U (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921553016.XU Active CN210684819U (en) | 2019-09-18 | 2019-09-18 | Pile foundation resistance to plucking performance detection device |
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| Country | Link |
|---|---|
| CN (1) | CN210684819U (en) |
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2019
- 2019-09-18 CN CN201921553016.XU patent/CN210684819U/en active Active
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