CN216865271U - High accuracy pile foundation static load detects data acquisition structure - Google Patents
High accuracy pile foundation static load detects data acquisition structure Download PDFInfo
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- CN216865271U CN216865271U CN202123368762.1U CN202123368762U CN216865271U CN 216865271 U CN216865271 U CN 216865271U CN 202123368762 U CN202123368762 U CN 202123368762U CN 216865271 U CN216865271 U CN 216865271U
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Abstract
The utility model discloses a high-precision pile foundation static load detection data acquisition structure which comprises a jack, wherein a cylinder body of the jack is seated on a pile foundation to be detected, a jack post of the jack is propped against a balance weight support above the pile foundation to be detected, the high-precision pile foundation static load detection data acquisition structure also comprises a data acquisition structure, the data acquisition structure comprises an installation rod, a dial gauge and a ground seat, one end of the installation rod is fixedly connected with the cylinder body of the jack, the other end of the installation rod extends out of one side of the jack, a dial plate of the dial gauge is installed on the installation rod, a gauge needle of the dial gauge is vertically downward, the ground seat is fixed on the ground, the upper surface of the ground seat is horizontal, an alignment point is arranged at the center of the upper surface of the ground seat, the upper surface of the ground seat takes the alignment point as the center, compensation scale marks are arranged towards the periphery, and the lower end of the gauge needle of the dial gauge is just propped against the alignment point. The utility model has the advantage of high detection precision.
Description
Technical Field
The utility model relates to a technical field that the engineering detected especially relates to a high accuracy pile foundation static load detects data acquisition structure.
Background
As shown in fig. 1 and 2, among the current pile foundation static load detection, the counter weight structure sets up the base through the both sides at the pile foundation that awaits measuring, span on the base and set up bearing support, then stack the balancing weight on bearing support, accomplish putting up of counter weight structure, place the jack on the pile foundation that awaits measuring, then with jack counter weight structure, utilize the reaction force of counter weight structure, realize the pressurization to the pile foundation that awaits measuring, pass through the connecting piece with the amesdial and install on bearing support, the indicator needle of amesdial supports on the jack cylinder body, when the pile foundation that awaits measuring subsides under pressure, the jack cylinder body descends thereupon, this moment, the amesdial just can detect the deflection of the pile foundation that awaits measuring, and then judge whether pile foundation bearing capacity that awaits measuring is qualified.
However, this kind of detection mode has a drawback, is that counter weight structure itself is very heavy, and this weight can not be born completely to ground, and the base can sink gradually, leads to the force-bearing support also to descend thereupon, and amesdial position also reduces correspondingly, leads to the amount of sinking of the pile foundation that records to be on the low side, seriously threatens detection quality.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of mentioning among the background art, provide a high accuracy pile foundation static load detection data acquisition structure.
In order to realize the technical purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a high accuracy pile foundation static load detects data acquisition structure, including the jack, the cylinder body of jack is sat on the pile foundation that awaits measuring, the fore-set top of jack is on the counter weight support of pile foundation top that awaits measuring, wherein, still include the data acquisition structure, the data acquisition structure is including the installation pole, amesdial and ground seat, the one end of installation pole and the cylinder body fixed connection of jack, the other end stretches out one side of jack, the dial plate of amesdial is installed on the installation pole, the gauge needle of amesdial is vertical downwards, the ground seat is fixed subaerial, the upper surface level of ground seat, ground seat upper surface central point puts and is provided with the alignment point, ground seat upper surface is with the alignment point as the center, to be provided with the compensation scale mark all around, the lower extreme of the gauge needle of amesdial just in time supports on the alignment point.
In order to optimize the technical scheme, the specific measures adopted further comprise:
the lower end of the pointer of the dial indicator is provided with a rolling ball, and the pointer of the dial indicator is contacted with the ground seat through the rolling ball.
Be provided with a mounting groove on foretell jack's the cylinder body, be provided with two at least fixing bolt points in the mounting groove, the mounting groove is arranged in to the one end of installation pole, passes the mode of fixing bolt point through the bolt and fixes the one end of installation pole in the mounting groove.
The ground seat is fixedly arranged on the ground through bolts.
The jack is a hydraulic jack.
The counter weight support comprises a base, force bearing supports and counter weight blocks, the base is located on the left side and the right side of the pile foundation to be tested, the force bearing supports stretch over the base, the counter weight blocks are stacked on the force bearing supports, and the top columns of the jacks are propped against the force bearing supports.
The base and the balancing weight are made of concrete, and the force bearing support is made of steel materials.
The utility model has the following advantages:
1. the dial indicator is arranged on the cylinder body of the jack, the indicator needle of the dial indicator is abutted to the ground seat arranged on the ground, the dial indicator is not fixed on the instable force bearing support by changing the installation mode of the dial indicator, and the vertical displacement between the cylinder body of the jack and the ground is detected, so that the accuracy is higher.
2. The utility model also fully considers the condition that the pile foundation to be tested can incline when bearing pressure, and the condition can be that the pile body inclines during piling or the pile body and the pile head are broken. When the pile foundation to be measured inclines, the jack also correspondingly inclines, because one end of the installation rod is fixed on the jack cylinder body, the other end of the installation rod extends out to be connected with the dial indicator, the inclination state of the jack can be amplified by the dial indicator, the measurement precision can be reduced by the inclination of the dial indicator, in order to solve the problem, an alignment point is arranged at the central position of the upper surface of the ground seat, the upper surface of the ground seat takes the alignment point as the center, compensation scale marks are arranged towards the periphery, the lower end of a gauge needle of the dial indicator is abutted against the alignment point, once the dial indicator inclines, the lower end of the gauge needle of the dial indicator can be moved away from the alignment point, the inclination amount of the dial indicator can be accurately known through the compensation scale marks, the detection value of the dial indicator is compensated in a proper amount according to the length of the installation rod, generally, the dial indicator needle moves towards the direction of the jack, the settlement value measured by the dial indicator is reduced in a proper amount, otherwise, the detection accuracy is further increased.
3. The utility model improves the dial gauge needle, and the needle point is provided with the ball, so that the dial gauge needle can conveniently slide on the ground seat.
Drawings
FIG. 1 is a schematic diagram of a prior art pile foundation static load detection data acquisition architecture;
FIG. 2 is an enlarged view of the portion A of FIG. 1;
FIG. 3 is a high-precision pile foundation static load detection data acquisition structure of the present invention;
FIG. 4 is an enlarged view of the portion B of FIG. 3;
FIG. 5 is a top view of the jack;
FIG. 6 is a top view of the floor socket;
FIG. 7 is a schematic view of a dial gauge.
The label names in the figure: jack 1, mounting groove 11, pile foundation 2 that awaits measuring, counter weight support 3, base 31, force-bearing support 32, balancing weight 33, installation pole 4, amesdial 5, ball 51, ground seat 6, alignment point 61, compensation scale mark 62.
Detailed Description
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 3-7, the high accuracy pile foundation static load of this embodiment detects data acquisition structure, including jack 1, jack 1's cylinder body is sat on the pile foundation 2 that awaits measuring, and jack 1's fore-set top is on the counter weight support 3 of the pile foundation 2 top that awaits measuring, and counter weight support 3 is including the base 31 that is located the pile foundation 2 left and right sides that awaits measuring, span bearing support 32 on base 31 and stack the balancing weight 33 on bearing support 32, and jack 1's fore-set top is on bearing support 32.
This embodiment has a significant difference in data acquisition structure compared to the prior art shown in fig. 1 and 2. The data acquisition structure of this embodiment is including installing pole 4, amesdial 5 and ground seat 6, the one end of installation pole 4 and jack 1's cylinder body fixed connection, the other end stretches out one side of jack 1, the dial plate of amesdial 5 is installed on installation pole 4, the gauge needle of amesdial 5 is vertical downwards, ground seat 6 is fixed subaerial, the upper surface level of ground seat 6, 6 upper surface central point positions on the ground seat are provided with alignment point 61, 6 upper surfaces on the ground seat use alignment point 61 as the center, to being provided with compensation scale mark 62 all around, the lower extreme of the gauge needle of amesdial 5 just in time supports on alignment point 61. The needle of the dial gauge 5 is provided with a rolling ball 51 at the lower end thereof, and the needle of the dial gauge 5 is in contact with the floor base 6 via the ball 51. The cylinder body of the jack 1 is provided with a mounting groove 11, at least two fixing bolt points are arranged in the mounting groove 11, one end of the mounting rod 4 is arranged in the mounting groove 11, and one end of the mounting rod 4 is fixed in the mounting groove 11 in a mode that the bolt penetrates through the fixing bolt points.
Above only being utility model's preferred embodiment, utility model's scope of protection not only limits in above-mentioned embodiment, and the technical scheme that all belongs to under the utility model thinking all belongs to utility model's scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the utility model should be regarded as the protection scope of the utility model.
Claims (7)
1. The utility model provides a high accuracy pile foundation static load detects data acquisition structure, includes jack (1), the cylinder body of jack (1) sit on pile foundation (2) that awaits measuring, the fore-set top of jack (1) is on counter weight support (3) of pile foundation (2) top that awaits measuring, characterized by: still include the data acquisition structure, the data acquisition structure including installation pole (4), amesdial (5) and ground seat (6), the cylinder body fixed connection of one end and jack (1) of installation pole (4), one side of jack (1) is stretched out to the other end, the dial plate of amesdial (5) install on installation pole (4), the gauge needle of amesdial (5) is vertical downwards, ground seat (6) fix subaerial, the upper surface level of ground seat (6), ground seat (6) upper surface central point puts and is provided with alignment point (61), ground seat (6) upper surface use alignment point (61) as the center, to being provided with compensation scale mark (62) all around, the lower extreme of the gauge needle of amesdial (5) just in time support on alignment point (61).
2. The high-precision pile foundation static load detection data acquisition structure as claimed in claim 1, wherein: the lower end of the pointer of the dial indicator (5) is provided with a rolling ball (51), and the pointer of the dial indicator (5) is contacted with the ground seat (6) through the rolling ball (51).
3. The high-precision pile foundation static load detection data acquisition structure as claimed in claim 2, wherein: the cylinder body of jack (1) on be provided with one mounting groove (11), mounting groove (11) in be provided with two at least fixing bolt points, the one end of installation pole (4) arrange in mounting groove (11), pass the mode of fixing bolt point through the bolt with the one end of installation pole (4) fix in mounting groove (11).
4. The high-precision pile foundation static load detection data acquisition structure as claimed in claim 3, wherein: the ground seat (6) is fixedly arranged on the ground through bolts.
5. The high-precision pile foundation static load detection data acquisition structure as claimed in claim 4, wherein: the jack (1) is a hydraulic jack.
6. The high-precision pile foundation static load detection data acquisition structure as claimed in claim 5, wherein: counter weight support (3) including be located base (31) of the pile foundation (2) left and right sides that awaits measuring, span bearing support (32) on base (31) and stack balancing weight (33) on bearing support (32), jack (1) the fore-set top on bearing support (32).
7. The high-precision pile foundation static load detection data acquisition structure according to claim 6, characterized in that: the base (31) and the balancing weight (33) are made of concrete, and the force bearing support (32) is made of steel materials.
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CN202123368762.1U CN216865271U (en) | 2021-12-30 | 2021-12-30 | High accuracy pile foundation static load detects data acquisition structure |
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CN202123368762.1U CN216865271U (en) | 2021-12-30 | 2021-12-30 | High accuracy pile foundation static load detects data acquisition structure |
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2021
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