阅读说明：本技术 一种嵌岩桩井入岩深度检测仪及入岩深度检测方法 (Rock-socketed pile well rock-entering depth detector and rock-entering depth detection method ) 是由 孙冠军 李会中 肖云华 吴和平 李红星 蔺绍润 何铁汉 覃瑞东 叶紫 於智 于 2021-06-22 设计创作，主要内容包括：本申请提供一种嵌岩桩井入岩深度检测仪及入岩深度检测方法,其包括放置于嵌岩桩井底部的井下设备、电缆以及放置于地面上的仪器主机；井下设备通过电缆与仪器主机电连接,井下设备用于采集嵌岩桩井各个方位的入岩深度数据,电缆将井下设备采集的数据传输给仪器主机,仪器主机用于控制井下设备的数据采集。该装置结构简单,且使用便捷,测试精度高。(The application provides a rock-socketed pile well rock-entering depth detector and a rock-entering depth detection method, which comprise underground equipment placed at the bottom of a rock-socketed pile well, a cable and an instrument host placed on the ground; the underground equipment is electrically connected with the instrument host through a cable, the underground equipment is used for collecting rock-entering depth data of each direction of the rock-socketed pile well, the cable transmits the data collected by the underground equipment to the instrument host, and the instrument host is used for controlling the data collection of the underground equipment. The device simple structure, and it is convenient to use, and the measuring accuracy is high.)

1. A rock-socketed pile well rock-entering depth detector is characterized by comprising underground equipment, a cable and an instrument host, wherein the underground equipment and the cable are placed at the bottom of a rock-socketed pile well; the underground equipment is electrically connected with the instrument host through the cable, the underground equipment is used for collecting rock-entering depth data of the socketed pile well in all directions, the cable transmits the data collected by the underground equipment to the instrument host, and the instrument host is used for controlling the data collection of the underground equipment.

2. An embedded rock pile well rock-entering depth detector as claimed in claim 1, wherein the downhole equipment comprises at least one telescopic support frame, a data acquisition and transmission unit and a plurality of detection sensors are mounted on the support frame, the detection sensors are electrically connected with the data acquisition and transmission unit, and the data acquisition and transmission unit is electrically connected with the cable and is used for transmitting data acquired by the detection sensors to the instrument host.

3. The socketed pile well rock-entering depth detector as claimed in claim 2, wherein a three-dimensional electronic compass is installed inside the data acquisition and transmission unit, and is used for acquiring the three-dimensional orientation of the detection sensor and transmitting the acquired data to the instrument host through the data acquisition and transmission unit.

4. The rock-socketed pile well rock-entering depth detector as claimed in claim 2, wherein the supporting frame comprises a central column and a plurality of telescopic brackets, the central column is vertically arranged at the bottom of the rock-socketed pile well, one side wall of each of the plurality of telescopic brackets is respectively connected to the peripheral side wall of the central column at intervals, and each telescopic bracket is vertically arranged; the data acquisition and transmission unit is arranged on the central column, and the detection sensor is arranged on the other opposite side wall of the telescopic support.

5. A rock-socketed pile well entry depth detector as claimed in claim 4, wherein there are three telescoping supports and three detection sensors.

6. A rock-socketed pile well entry depth detector according to claim 4, wherein the telescopic bracket includes a connecting plate and a movable plate, one side of the connecting plate being connected to the peripheral side wall of the central column, and one side of the movable plate being horizontally movably connected to the other side of the connecting plate.

7. A rock-socketed pile well rock-entering depth detector as claimed in claim 6, wherein sliding grooves are formed in the top and the bottom of the other side of the connecting plate, and the sliding grooves are formed along the length direction of the connecting plate; one side of the movable plate is horizontally movably connected in the sliding groove.

8. An instrument according to claim 1 in which the instrument host includes a controller.

9. A rock-socketed pile well rock-entering depth detection method for detecting by using the rock-socketed pile well rock-entering depth detector as claimed in any one of claims 1 to 8, which is characterized by comprising the following steps of:

step one, connecting and assembling the socketed pile well rock-entering depth detector: connecting the downhole equipment and the instrument host through the cable;

placing the underground equipment at the bottom of the finished rock-socketed pile well, starting a power supply of the rock-socketed pile well rock-entering depth detector, setting acquisition parameters of the underground equipment, and performing data acquisition on rock-entering depth data of each direction of the rock-socketed pile well;

and step three, the underground equipment is lifted upwards while carrying out data test on the rock penetration depth of each direction of the socketed pile well, and the underground equipment is rotated by a certain angle according to the requirement of the number of the test directions and then is tested again until test data of hole walls in a plurality of directions meeting the test requirement are obtained.

Technical Field

The application relates to the field of foundation construction and detection, in particular to a rock-socketed pile well rock-entering depth detector and a rock-entering depth detection method.

Background

The rock-entering depth is an important parameter when the pile hole and slotted hole foundation are designed, namely the bottom of the foundation is embedded into a supporting rock stratum (a weathered rock mass) to a certain depth, if the rock-embedding depth is not enough, the stability of the pile foundation is influenced, and further the safety of an upper building is influenced.

In the existing construction project adopting the pile foundation, one pile and one hole or one pile and multiple holes are generally adopted in order to find out the depth of the base rock of the bearing stratum in the exploration stage, but the exploration of part of projects is not detailed enough due to the specific conditions such as geological conditions or pile diameter parameters of a project engineering area, and the exact depth of the bearing stratum rock of each pile part cannot be accurately obtained. This requires supervision and management of the pile well construction to be enhanced during the construction period to ensure that the depth of the pile well into the bedrock meets the designed rock-socketing requirements. At present, no mature method and related instrument for detecting the rock-entering depth of a pile hole or a slotted hole exist, the rock-entering depth of a pile well which cannot be detected by a person going down the well due to the fact that the pile hole needs mud for wall protection during construction can be judged only by the experience of a construction unit or a construction geology worker, and once the rock-entering depth of a foundation is not enough due to the misjudgment, the safety and the stability of the whole project can be influenced.

Disclosure of Invention

An object of the application is to provide an embedded rock pile well rock-entering depth detector and a rock-entering depth detection method, and the purpose is to solve the problem that the existing embedded rock pile well rock-entering depth detection is inaccurate.

The technical scheme of the application is as follows:

a rock-socketed pile well rock-entering depth detector comprises underground equipment placed at the bottom of a rock-socketed pile well, a cable and an instrument host placed on the ground; the underground equipment is electrically connected with the instrument host through the cable, the underground equipment is used for collecting rock-entering depth data of the socketed pile well in all directions, the cable transmits the data collected by the underground equipment to the instrument host, and the instrument host is used for controlling the data collection of the underground equipment.

As a technical scheme of this application, downhole equipment includes at least one telescopic support frame, install data acquisition transmission unit and a plurality of detection sensor on the support frame, detection sensor with data acquisition transmission unit electricity is connected, data acquisition transmission unit with the cable electricity is connected, is used for with the data transmission that detection sensor gathered gives the instrument host computer.

As a technical scheme of this application, data acquisition transmission unit internally mounted has three-dimensional electron compass, three-dimensional electron compass is used for gathering detect sensor's three-dimensional position to pass through the data acquisition transmission unit with the data of gathering transmit for the instrument host computer.

As a technical scheme of the application, the support frame comprises a central column and a plurality of telescopic supports, the central column is vertically arranged at the bottom of the rock-socketed pile shaft, one side wall of each telescopic support is respectively connected to the peripheral side wall of the central column at intervals, and each telescopic support is vertically arranged; the data acquisition and transmission unit is arranged on the central column, and the detection sensor is arranged on the other opposite side wall of the telescopic support.

As a technical scheme of this application, telescopic bracket is three, detection sensor is three.

As a technical scheme of this application, telescopic bracket includes connecting plate and fly leaf, one side of connecting plate connect in on the week lateral wall of center post, but one side horizontal migration ground of fly leaf connect in on the opposite side of connecting plate.

As a technical scheme of the application, sliding grooves are formed in the top and the bottom of the other side of the connecting plate, and are arranged along the length direction of the connecting plate; one side of the movable plate is horizontally movably connected in the sliding groove.

As an aspect of the present application, the instrument main unit includes a controller.

The rock-entering depth detection method adopting the rock-socketed pile well rock-entering depth detector for detection comprises the following steps of:

step one, connecting and assembling the socketed pile well rock-entering depth detector: connecting the downhole equipment and the instrument host through the cable;

placing the underground equipment at the bottom of the finished rock-socketed pile well, starting a power supply of the rock-socketed pile well rock-entering depth detector, setting acquisition parameters of the underground equipment, and performing data acquisition on rock-entering depth data of each direction of the rock-socketed pile well;

and step three, the underground equipment is lifted upwards while carrying out data test on the rock penetration depth of each direction of the socketed pile well, and the underground equipment is rotated by a certain angle according to the requirement of the number of the test directions and then is tested again until test data of hole walls in a plurality of directions meeting the test requirement are obtained.

The beneficial effect of this application:

according to the rock-socketed pile well rock-entering depth detector and the rock-entering depth detection method, the rock-entering depth detector is used for continuously detecting the properties and the boundaries of rock-soil bodies on the wall of a hole from top to bottom or from bottom to top so as to judge the rock-entering depth of a pile hole and a slotted hole. The rock-embedded pile well rock-entering depth detector can detect whether the bottom of a pile well is embedded into rock and the depth of the embedded rock by adopting an ultrasonic testing method but not limited to an ultrasonic detection mode. The length of the telescopic support can be telescopically adjusted according to the diameter of the pile well, so that the detection sensor can be attached to the well wall as far as possible, and the detection precision can be effectively improved; meanwhile, a three-dimensional electronic compass is arranged in the data acquisition and transmission unit, the three-dimensional directions of all acquisition and detection sensors of the underground equipment and the data of the acquisition and detection sensors are transmitted to an instrument host through cables, and the rock penetration depth data of all directions of the pile well can be acquired; in addition, the detection sensor can achieve the purpose of testing through detection parameters in different modes, and detection can be that one or more parameters such as ultrasonic waves, resistivity, natural gamma radiation and the like are acquired simultaneously so as to comprehensively reflect the physical property difference between the rock mass and the covering layer and between different weathered rock masses. Therefore, the device and the method are convenient to detect, and can effectively improve the precision of the detection data.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic view of an installation of a rock-socketed pile well rock-entering depth detector provided by an embodiment of the application;

FIG. 2 is a front view of a downhole apparatus provided by an embodiment of the present application;

FIG. 3 is a top view of a downhole apparatus provided by an embodiment of the present application;

fig. 4 is a schematic structural diagram of a downhole apparatus according to an embodiment of the present application.

Icon: 1-downhole equipment; 2-a cable; 3-an instrument host; 4-a support frame; 5-a data acquisition and transmission unit; 6-a detection sensor; 7-telescopic support.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application.

Further, in the present application, unless expressly stated or limited otherwise, the first feature may be directly contacting the second feature or may be directly contacting the second feature, or the first and second features may be contacted with each other through another feature therebetween, not directly contacting the second feature. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example (b):

referring to fig. 1 and fig. 2 to 4, the present application provides a rock-socketed pile well rock-entering depth detector, which includes a downhole device 1 placed at the bottom of a rock-socketed pile well, a cable 2 and an instrument host 3 placed on the ground; the underground equipment 1 is electrically connected with the instrument host 3 through the cable 2, the underground equipment 1 is used for collecting rock-entering depth data of each direction of the rock-socketed pile well, the cable 2 transmits the data collected by the underground equipment 1 to the instrument host 3, and the instrument host 3 is used for controlling data collection of the underground equipment 1.

Further, this downhole equipment 1 includes at least one telescopic support frame 4, installs data acquisition transmission unit 5 and a plurality of detection sensor 6 on the support frame 4, and detection sensor 6 is connected with data acquisition transmission unit 5 electricity, and data acquisition transmission unit 5 is connected with cable 2 electricity for data transmission for instrument host 3 with detection sensor 6 collection.

It should be noted that the number and size of the retractable supporting frames 4 can be designed differently according to the actual testing requirements, and are not limited to the number and shape in the present embodiment.

Further, a three-dimensional electronic compass is installed inside the data acquisition and transmission unit 5, and is used for acquiring the three-dimensional orientation of the detection sensor 6 and transmitting the acquired data to the instrument host 3 through the data acquisition and transmission unit 5.

It should be noted that, in this embodiment, the supporting frame 4 includes a central column and a plurality of telescopic brackets 7, the central column is vertically disposed at the bottom of the socketed pile well, a side wall of each of the plurality of telescopic brackets 7 is connected to a peripheral side wall of the central column at intervals, and each of the telescopic brackets 7 is vertically disposed; the data acquisition and transmission unit 5 is arranged on the central column, and the detection sensor 6 is arranged on the other opposite side wall of the telescopic bracket 7.

Specifically, in the present embodiment, there are three telescopic brackets 7 and three detection sensors 6. In other embodiments, the number of the telescopic supports 7 and the detecting sensors 6 may be designed differently according to actual testing requirements, and is not limited to the number in this embodiment.

In addition, the detection sensor 6 adopts a structure in the prior art, and the specific working principle and the like thereof are not described in detail herein. Meanwhile, the detection sensor 6 can achieve the purpose of testing through detection parameters in different modes, and detection can be that one or more parameters such as ultrasonic waves, resistivity, natural gamma radiation and the like are acquired at the same time so as to comprehensively reflect the physical property difference between the rock mass and the covering layer and between different weathered rock masses.

Further, in the present embodiment, the telescopic bracket 7 includes a connecting plate and a movable plate, one side of the connecting plate is connected to the circumferential side wall of the central pillar, and one side of the movable plate is horizontally movably connected to the other side of the connecting plate.

Specifically, the top and the bottom of the other side of the connecting plate are both provided with a sliding chute, and the sliding chutes are arranged along the length direction of the connecting plate; one side of the movable plate can be horizontally movably connected in the sliding groove.

Further, in the present embodiment, the instrument main body 3 may employ a controller in the related art.

In addition, in this embodiment, a rock penetration depth detection method is further provided, which mainly uses the rock-socketed pile well rock penetration depth detector for detection, and includes the following steps:

step one, connecting and assembling the socketed pile well rock entering depth detector: connecting the underground equipment 1 and the instrument host 3 through a cable 2;

placing the underground equipment 1 at the bottom of the finished rock-socketed pile well, starting a power supply of the rock-socketed pile well rock-entering depth detector, setting acquisition parameters of the underground equipment 1, and performing data acquisition on rock-entering depth data of each direction of the rock-socketed pile well;

and step three, the underground equipment 1 is lifted upwards while carrying out data test on the rock penetration depth of each direction of the socketed pile well, and the underground equipment 1 is rotated by a certain angle according to the requirement of the number of the test directions and then tested again until test data of hole walls in a plurality of directions meeting the test requirement are obtained.

In summary, according to the rock-socketed pile well rock-entering depth detector and the rock-entering depth detection method, the rock-socketed pile well rock-entering depth detector is used for continuously detecting the properties and the boundaries of rock-soil bodies on the hole wall from top to bottom or from bottom to top so as to judge the rock-entering depth of the pile hole and the slotted hole. The rock-embedded pile well rock-entering depth detector can detect whether the bottom of a pile well is embedded into rock and the depth of the embedded rock by adopting an ultrasonic testing method but not limited to an ultrasonic detection mode. The length of the telescopic bracket 7 can be telescopically adjusted according to the diameter of the pile well, so that the detection sensor 6 is attached to the well wall as far as possible, and the detection precision can be effectively improved; meanwhile, a three-dimensional electronic compass is arranged in the data acquisition and transmission unit 5, the three-dimensional directions of the acquisition and detection sensors 6 of the underground equipment 1 and the data of the acquisition and detection sensors 6 are transmitted to the instrument host 3 through the cable 2, and the rock penetration depth data of each direction of the pile well can be acquired; in addition, the detection sensor 6 can achieve the purpose of testing through detection parameters in different modes, and detection can be that one or more parameters such as ultrasonic waves, resistivity, natural gamma radiation and the like are acquired simultaneously, so that physical property differences between the rock mass and the covering layer and between different weathered rock masses are comprehensively reflected. Therefore, the device and the method are convenient to detect, and can effectively improve the precision of the detection data.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.