CN216689507U - Signal acquisition device of static pressure computer system - Google Patents

Signal acquisition device of static pressure computer system Download PDF

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Publication number
CN216689507U
CN216689507U CN202123082061.1U CN202123082061U CN216689507U CN 216689507 U CN216689507 U CN 216689507U CN 202123082061 U CN202123082061 U CN 202123082061U CN 216689507 U CN216689507 U CN 216689507U
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jack
settlement
bearing support
support foot
computer system
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CN202123082061.1U
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李磊
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Nanjing City Vocational College Nanjing Open University
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Nanjing City Vocational College Nanjing Open University
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Abstract

The utility model discloses a static pressure computer system signal acquisition device, which comprises a wireless signal transmitting device and at least three gauges including a left settlement gauge, a right settlement gauge and a jack settlement gauge, wherein the left settlement gauge is fixedly arranged at the center of a cross support I-shaped steel between a target pile and a left bearing support foot, the right settlement gauge is fixedly arranged at the center of the cross support I-shaped steel between the target pile and a right bearing support foot, and measuring heads of the left settlement gauge and the right settlement gauge are in contact with the ground. The utility model can effectively avoid the problem of inaccurate static load detection caused by the sinking of the pressure bearing support.

Description

Signal acquisition device of static pressure computer system
Technical Field
The utility model relates to the technical field of intelligent equipment, in particular to a signal acquisition device of a static pressure computer system.
Background
Static pressure detection is an important ring in pile foundation detection and is used for detecting whether the static load capacity of the pile foundation reaches the standard or not. The conventional static pressure detection equipment comprises a left pressure bearing support foot, a right pressure bearing support foot, a cross support I-shaped steel, a balance weight, a jack and the like, wherein the left pressure bearing support foot and the right pressure bearing support foot are used as supports, the balance weight is pushed and placed on the cross support I-shaped steel, the jack is located on a pile to be detected and upwards pushes the cross support I-shaped steel, and the static load is generated on the pile to be detected in the reverse direction by using the pressure of the balance weight, so that the static load capacity of the pile to be detected is detected.
However, in practice, it is found that the left and right bearing support legs can generate huge pressure on the ground by themselves as supports, and then gradually settle, and on some construction sites with soft soil, especially after rain, when a static load test is finished, the left and right bearing support legs can press 2-3cm deep pit marks on the ground, which is equivalent to that the cross-bracing i-steel also correspondingly sinks by 2-3cm, and since the dial indicator for measuring the settling amount of the pile to be measured is mounted on the cross-bracing i-steel, the settling amount of the pile to be measured is calculated by 2-3cm less in the detection process, and the misjudgment on the static load capacity of the pile foundation is highly likely to be generated, and further serious construction hidden troubles are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems mentioned in the background technology and provides a static pressure computer system signal acquisition device which can effectively avoid the problem of inaccurate static load detection caused by the sinking of a pressure bearing support.
In order to achieve the technical purpose, the technical scheme adopted by the utility model is as follows:
a static pressure computer system signal acquisition device comprises a left bearing support foot, a right bearing support foot, a cross support I-steel, a balance weight, a jack, a metering device and a computer system, wherein the left bearing support foot and the right bearing support foot are respectively placed on the ground at the left side and the right side of a target pile and are at a certain distance from the target pile, two ends of the cross support I-steel are respectively placed on the upper surface of the left bearing support foot and the upper surface of the right bearing support foot and cross the target pile, the jack is placed on the target pile, a hydraulic column of the jack is upwards supported to be in contact with the cross support I-steel, the balance weight is pushed and placed on the cross support I-steel, the metering device comprises a wireless signal sending device and at least three meters which are respectively a left side settlement meter, a right side settlement meter and a jack settlement meter, the left side settlement meter is fixedly installed at the center of the cross support I-steel between the target pile and the left bearing support foot, the cross-brace I-steel center department of gauge table fixed mounting between target pile and right pressure-bearing support foot is subsided on the right side, the gauge head and the ground contact of gauge table are subsided on the left side settlement gauge table and right side, jack settlement gauge table fixed mounting is on the cross-brace I-steel of jack top, the gauge head and the jack shell upper surface contact of gauge table are subsided to the jack, the gauge table is subsided on the left side, the gauge table is subsided all through data line and wireless signal transmitting device to the right side settlement gauge table, the gauge table is subsided on the right side settlement gauge table and the jack settlement gauge table measured subsides on the right side, and with data transmission to computer system.
In order to optimize the technical scheme, the specific measures adopted further comprise:
and the detection seats are fixed on the ground between the target pile and the left pressure-bearing support foot and between the target pile and the right pressure-bearing support foot, and the measuring heads of the left settlement gauge and the right settlement gauge are respectively abutted against the upper surfaces of the corresponding detection seats.
Foretell detection seat includes upper end platform and nail pole, and the upper end platform is fixed in nail pole upper end, and nail pole lower extreme is sharp-pointed, can insert ground, makes the detection seat fixed, and the gauge head that the gauge table was subsided on the left side and the gauge table is subsided on the right side supports on corresponding upper end platform.
The left settlement gauge, the right settlement gauge and the jack settlement gauge are fixed on the transverse support I-shaped steel through the fastener.
Foretell buckle spare includes clamp and telescopic link, the clamp is fixed in the telescopic link upper end, the telescopic link can stretch out and draw back and fix from top to bottom, the telescopic link bottom is provided with the screw hole, the clamp can press from both sides fixedly on horizontal I-steel, the strapping table is subsided on the left side, the right side subsides and the jack subsides and all be provided with on the strapping table with telescopic link bottom screw hole complex spiral shell head, corresponding strapping table passes through in spiral shell head screw in telescopic link bottom screw hole, realize with the fixed connection of buckle spare.
The left settlement gauge, the right settlement gauge and the jack settlement gauge are electronic dial gauges.
Steel plates are laid under the left bearing support foot and the right bearing support foot, and the cross sectional area of each steel plate is larger than that of the left bearing support foot or the right bearing support foot.
The counterweight is a cement block.
The jack is a hydraulic jack.
The utility model has the following advantages:
1. the utility model is provided with 3 measuring meters, one of the measuring meters is normally contacted with the jack shell to measure the settlement of the pile foundation, the other two measuring meters are respectively arranged at the center of the cross-support I-steel between the target pile and the left pressure-bearing support foot and the center of the cross-support I-steel between the target pile and the right pressure-bearing support foot to measure the settlement of the cross-support I-steel, the real settlement of the target pile in unit time is the sum of the measured settlement of the pile foundation and the settlement of the cross-support I-steel, and compared with the traditional detection method, the detection result of the utility model considers the settlement of the left pressure-bearing support foot and the right pressure-bearing support foot under the action of the balance weight and is more accurate.
2. The utility model designs a left settlement gauge and a right settlement gauge, and because the ground bearing capacity cannot be determined and the settlement amounts of the left bearing support foot and the right bearing support foot are not necessarily the same, in the actual detection, the transverse support I-steel can incline left and right, the settlement of the transverse support I-steel can be detected by only one settlement gauge is not accurate, and the settlement amount of the transverse support I-steel can be accurately obtained by averaging the left settlement gauge and the right settlement gauge.
3. Steel plates are laid under the left pressure bearing support foot and the right pressure bearing support foot, the steel plates are used for increasing the pressure bearing area of the left pressure bearing support foot and the right pressure bearing support foot, the settlement amount of the left pressure bearing support foot and the right pressure bearing support foot is reduced, and the measurement error can be reduced to a certain degree.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged view of a portion a of fig. 1.
The label names in the figure: the device comprises a left pressure bearing support foot 1, a right pressure bearing support foot 2, a transverse support I-shaped steel 3, a balance weight 4, a jack 5, a metering device 6, a left side settlement gauge 61, a right side settlement gauge 62, a jack settlement gauge 63, a wireless signal transmitting device 64, a detection seat 65, an upper end platform 65a, a nail rod 65b, a buckling piece 66, a clamp body 66a, an expansion rod 66b, a computer system 7, a target pile 8 and a steel plate 9.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
The static pressure computer system signal acquisition device of this embodiment, major structure include left pressure-bearing support foot 1, right pressure-bearing support foot 2, cross-brace I-steel 3, counter weight 4, jack 5, left side settlement gauge table 61, right side settlement gauge table 62, jack settlement gauge table 63, wireless signal transmitting device 64, detect seat 65 and computer system 7. The left pressure bearing support foot 1, the right pressure bearing support foot 2, the cross support I-steel 3, the balance weight 4, the jack 5, the jack settlement gauge 63 and the like are of the existing structures and are structural members necessary for pile foundation static pressure detection, and the left settlement gauge 61, the right settlement gauge 62 and the detection seat 65 are improved structures of the utility model and do not exist in conventional technical means.
In the pile foundation static pressure detection of the embodiment, a left pressure bearing support foot 1 and a right pressure bearing support foot 2 are placed at 1.5 to 2 meters on the left side and the right side of a target pile 8, the real distance between the left pressure bearing support foot 1 and the right pressure bearing support foot 2 and the target pile 8 is measured, a detection seat 65 is driven into the middle position between the left pressure bearing support foot 1 and the target pile 8 and the middle position between the right pressure bearing support foot 2 and the target pile 8, a central point is marked on the upper surface of the detection seat 65, a jack is hoisted on the target pile 8, then a cross support I-steel 3 and a counter weight 4 are sequentially pushed on the left pressure bearing support foot 1 and the right pressure bearing support foot 2, the jack is electrified, a hydraulic column is propped against the lower surface of the cross support I-steel 3, a left side settlement 61 is fixedly installed at the center of the cross support I-steel 3 between the target pile 8 and the left pressure bearing support foot 1, a right side settlement gauge 62 is fixedly installed at the center of the cross support I-steel 3 between the target pile 8 and the right pressure bearing support foot 2, gauge head and detection seat 65 upper surface centre point contact of left side settlement gauge table 61 and right side settlement gauge table 62, jack settlement gauge table 63 fixed mounting is on the horizontal I-steel 3 of jack 5 top, gauge head and jack shell upper surface contact of jack settlement gauge table 63, left side settlement gauge table 61, right side settlement gauge table 62 and jack settlement gauge table 63 all are connected with wireless signal transmission device 64 through the data line, wireless signal transmission device 64 and 7 signal connection of computer system, computer system 7 places in the building site container or directly puts in pile foundation detection portion door. And finishing the early assembly of the whole detection equipment.
During detection, 5MPa is pressurized every 15 minutes until the target pile 8 is pressurized to bear the design value, in the process, the left settlement gauge 61, the right settlement gauge 62 and the jack settlement gauge 63 continuously send detected settlement signals to the wireless signal sending device 64, the wireless signal sending device 64 sends the signals to the computer system 7, the computer system 7 judges the settlement amount of the target pile 8, and in any period of time, the settlement amount of the target pile 8 exceeds a detection threshold value, and the static load capacity of the pile foundation is judged to be unqualified.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may be made by those skilled in the art without departing from the principle of the utility model.

Claims (9)

1. Static pressure computer system signal pickup assembly, including left pressure-bearing support foot (1), right pressure-bearing support foot (2), cross support I-steel (3), counter weight (4), jack (5), metering device (6) and computer system (7), left pressure-bearing support foot (1) and right pressure-bearing support foot (2) place respectively in target stake (8) left and right sides ground, and apart from target stake (8) certain distance, cross support I-steel (3) both ends are placed respectively in left pressure-bearing support foot (1) upper surface and right pressure-bearing support foot (2) upper surface, cross target stake (8), jack (5) place on target stake (8), jack (5) hydraulic column upwards prop up to contact with cross support I-steel (3), counter weight (4) are pushed away to be put on cross support I-steel (3), characterized by: the metering device (6) comprises a wireless signal transmitting device (64) and at least three meters, namely a left side settlement meter (61), a right side settlement meter (62) and a jack settlement meter (63), wherein the left side settlement meter (61) is fixedly arranged at the center of a cross support I-steel (3) between a target pile (8) and a left pressure bearing support foot (1), the right side settlement meter (62) is fixedly arranged at the center of the cross support I-steel (3) between the target pile (8) and a right pressure bearing support foot (2), measuring heads of the left side settlement meter (61) and the right side settlement meter (62) are in contact with the ground, the jack settlement meter (63) is fixedly arranged on the cross support I-steel (3) above a jack (5), and the measuring head of the jack settlement meter (63) is in contact with the upper surface of a jack shell, the left side subside strapping table (61), right side subside strapping table (62) and jack subside strapping table (63) all be connected with radio signal transmitting device (64) through the data line, radio signal transmitting device (64) can receive the settlement data that left side subsides strapping table (61), right side subsides strapping table (62) and jack subsides strapping table (63) and measure to with data transmission to computer system (7).
2. The static pressure computer system signal acquisition device of claim 1, wherein: the measuring head of the left settlement gauge (61) and the right settlement gauge (62) are respectively abutted against the upper surfaces of the corresponding detecting seats (65).
3. The static pressure computer system signal acquisition device of claim 2, wherein: detect seat (65) include upper end platform (65a) and nail pole (65b), upper end platform (65a) fix in nail pole (65b) upper end, nail pole (65b) lower extreme sharp-pointed, can insert ground, make and detect seat (65) fixed, the left side subside gauge table (61) and the gauge head that the gauge table (62) was subsided on the right side support on corresponding upper end platform (65 a).
4. The static pressure computer system signal acquisition device of claim 3, wherein: the left side settlement gauge (61), the right side settlement gauge (62) and the jack settlement gauge (63) are fixed on the transverse support I-shaped steel (3) through the fastener (66).
5. The static pressure computer system signal acquisition device of claim 4, wherein: buckle spare (66) including clamp (66a) and telescopic link (66b), clamp (66a) fix in telescopic link (66b) upper end, telescopic link (66b) can stretch out and draw back and fix from top to bottom, telescopic link (66b) bottom be provided with the screw hole, clamp (66a) can clamp and fix on horizontal I-steel (3), the left side subside strapping table (61), the right side subside on strapping table (62) and jack subside strapping table (63) all be provided with telescopic link (66b) bottom screw hole complex spiral shell head, corresponding strapping table passes through in spiral shell head screw in telescopic link (66b) bottom screw hole, realize with the fixed connection of buckle spare (66).
6. The static pressure computer system signal acquisition device of claim 5, wherein: the left settlement gauge (61), the right settlement gauge (62) and the jack settlement gauge (63) are electronic dial gauges.
7. The static pressure computer system signal acquisition device of claim 6, wherein: steel plates (9) are laid under the left pressure bearing support foot (1) and the right pressure bearing support foot (2), and the cross sectional area of each steel plate (9) is larger than that of the left pressure bearing support foot (1) or the right pressure bearing support foot (2).
8. The static pressure computer system signal acquisition device of claim 7, wherein: the counterweight (4) is a cement block.
9. The static pressure computer system signal acquisition device of claim 8, wherein: the jack (5) is a hydraulic jack.
CN202123082061.1U 2021-12-09 2021-12-09 Signal acquisition device of static pressure computer system Active CN216689507U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123082061.1U CN216689507U (en) 2021-12-09 2021-12-09 Signal acquisition device of static pressure computer system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123082061.1U CN216689507U (en) 2021-12-09 2021-12-09 Signal acquisition device of static pressure computer system

Publications (1)

Publication Number Publication Date
CN216689507U true CN216689507U (en) 2022-06-07

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Application Number Title Priority Date Filing Date
CN202123082061.1U Active CN216689507U (en) 2021-12-09 2021-12-09 Signal acquisition device of static pressure computer system

Country Status (1)

Country Link
CN (1) CN216689507U (en)

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