Automatic monitoring device for horizontal displacement and axial force of cast-in-place pile foundation
阅读说明:本技术 一种灌注桩基础水平位移和轴力的自动监测装置 (Automatic monitoring device for horizontal displacement and axial force of cast-in-place pile foundation ) 是由 乔升访 胡贺松 陈航 朱毅 于 2019-12-02 设计创作,主要内容包括:本发明涉及位移监测设备的技术领域,公开了一种灌注桩基础水平位移和轴力的自动监测装置,包括具有容置腔的管体和套设在管体上的套筒;管体上开设有与容置腔连通的开口,开口内设置有用于密封开口的密封塞,容置腔的内壁上设置有形变测量元件,形变测量元件的通讯线缆穿过密封塞与外部监测设备通讯连接。管体发生形变能够通过形变测量元件检测出来;形变测量元件检测到的形变数据通过通讯线缆实时输送到外部监测设备,使得灌注桩的形变数据能实时监测,自动化程度高,另外人工成本低、可靠性高、能够连续监测。(The invention relates to the technical field of displacement monitoring equipment, and discloses an automatic monitoring device for horizontal displacement and axial force of a cast-in-place pile foundation, which comprises a pipe body with an accommodating cavity and a sleeve sleeved on the pipe body; the pipe body is provided with an opening communicated with the accommodating cavity, a sealing plug used for sealing the opening is arranged in the opening, a deformation measuring element is arranged on the inner wall of the accommodating cavity, and a communication cable of the deformation measuring element penetrates through the sealing plug to be in communication connection with external monitoring equipment. The deformation of the pipe body can be detected by a deformation measuring element; deformation data that deformation measuring element detected are carried outside monitoring facilities in real time through the communication cable for the deformation data of bored concrete pile can real-time supervision, and degree of automation is high, low, the reliability of cost of labor is high in addition, can monitor in succession.)
1. The utility model provides an automatic monitoring device of bored concrete pile basis horizontal displacement and axial force which characterized in that: comprises a tube body with an accommodating cavity and a sleeve sleeved on the tube body; the pipe body is provided with an opening communicated with the accommodating cavity, a sealing plug used for sealing the opening is arranged in the opening, the inner wall of the accommodating cavity is provided with a deformation measuring element, and a communication cable of the deformation measuring element penetrates through the sealing plug to be in communication connection with external monitoring equipment.
2. The automatic monitoring device for horizontal displacement and axial force of a cast-in-place pile foundation according to claim 1, characterized in that: the pipe body clamping device is characterized by further comprising a first limiting ring and a second limiting ring, wherein the first limiting ring and the second limiting ring are fixed in the sleeve respectively, and the pipe body is clamped between the first limiting ring and the second limiting ring.
3. The automatic monitoring device for horizontal displacement and axial force of a cast-in-place pile foundation according to claim 1, characterized in that: the number of the openings is two, the number of the sealing plugs is two, the two openings are respectively arranged at two ends of the tube body, and the two openings and the two sealing plugs are in one-to-one correspondence.
4. The automatic monitoring device for horizontal displacement and axial force of a cast-in-place pile foundation according to claim 1, characterized in that: the accommodating cavity is a hollow cavity of the tube body, and the deformation measuring element is arranged on the inner wall of the tube body.
5. The automatic monitoring device for horizontal displacement and axial force of a cast-in-place pile foundation according to claim 4, wherein: the deformation measuring elements are distributed around the circumference of the pipe body.
6. The automatic monitoring device for horizontal displacement and axial force of a cast-in-place pile foundation according to claim 4, wherein: the deformation measuring element is a strain gauge extending along the axial direction of the pipe body.
7. The automatic monitoring device for horizontal displacement and axial force of a cast-in-place pile foundation of claim 6, wherein: the inner wall of the tube body is provided with a groove, and the strain gauge is arranged in the groove.
8. The automatic monitoring device for horizontal displacement and axial force of a cast-in-place pile foundation according to claim 1, characterized in that: the sleeve extends in a vertical direction.
9. The automatic monitoring device for horizontal displacement and axial force of a cast-in-place pile foundation according to claim 1, characterized in that: the end of the communication cable is provided with a connector, and a sealing shell covers the connector.
10. The automatic monitoring device for horizontal displacement and axial force of a cast-in-place pile foundation according to claim 1, characterized in that: still include the reinforcing bar, the sleeve is tied up and is established on the reinforcing bar.
Technical Field
The invention relates to the technical field of displacement monitoring equipment, in particular to an automatic monitoring device for horizontal displacement and axial force of a cast-in-place pile foundation.
Background
The displacement/stress state (the displacement can be selected as the displacement in the horizontal direction, and the stress can be selected as the stress in the vertical direction) of the pile foundation is an important parameter for evaluating the safety of the pile foundation and the upper structure, and the displacement/stress monitoring is particularly important. The traditional manual measurement mode is that a steel bar meter and an inclinometer pipe are welded on a steel bar cage, so that the monitoring of the displacement/stress of a pile foundation is realized, the automation degree is low, and the monitoring continuity is not strong.
Disclosure of Invention
The invention aims to provide an automatic monitoring device for horizontal displacement and axial force of a cast-in-place pile foundation, which aims to solve the technical problems of low automation degree and poor monitoring continuity of manual measurement of pile foundation displacement change in the prior art.
In order to achieve the aim, the invention provides an automatic monitoring device for horizontal displacement and axial force of a cast-in-place pile foundation, which comprises a pipe body with an accommodating cavity and a sleeve sleeved on the pipe body; the pipe body is provided with an opening communicated with the accommodating cavity, a sealing plug used for sealing the opening is arranged in the opening, the inner wall of the accommodating cavity is provided with a deformation measuring element, and a communication cable of the deformation measuring element penetrates through the sealing plug to be in communication connection with external monitoring equipment.
Further, still include first spacing ring and second spacing ring, first spacing ring with the second spacing ring is fixed respectively in the sleeve, just the body centre gripping is in first spacing ring with between the second spacing ring.
Furthermore, the number of the openings is two, the number of the sealing plugs is two, the two openings are respectively arranged at two ends of the pipe body, and the two openings and the two sealing plugs are in one-to-one correspondence.
Further, the accommodating cavity is a hollow cavity of the tube body, and the deformation measuring element is arranged on the inner wall of the tube body.
Furthermore, the deformation measuring elements are multiple in number and are distributed around the circumference of the pipe body.
Further, the deformation measuring element is a strain gauge extending in the axial direction of the pipe body.
Further, a groove is formed in the inner wall of the pipe body, and the strain gauge is arranged in the groove.
Further, the sleeve extends in a vertical direction.
Further, the end of the communication cable is provided with a joint, and a sealing shell covers the outside of the joint.
Further, still include the reinforcing bar, the sleeve is tied up and is established on the reinforcing bar.
The automatic monitoring device for the horizontal displacement and the axial force of the cast-in-place pile foundation provided by the invention has the beneficial effects that: compared with the prior art, the automatic monitoring device for horizontal displacement and axial force of the cast-in-place pile foundation, disclosed by the invention, has the advantages that the deformation measuring element is arranged on the inner wall of the accommodating cavity of the pipe body, the sleeve is sleeved on the pipe body and protects the pipe body, and the sleeve ensures the stability of the relative position of the pipe body; when the sleeve is embedded in the cast-in-place pile, the deformation of the cast-in-place pile can drive the sleeve to deform (the deformation can be the displacement or the stress of the cast-in-place pile), the deformation of the sleeve can drive the pipe body to deform, and the deformation of the pipe body can be detected by a deformation measuring element; deformation data that deformation measuring element detected are carried outside monitoring facilities in real time through the communication cable for the deformation data of bored concrete pile can real-time supervision, and degree of automation is high, low, the reliability of cost of labor is high in addition, can monitor in succession.
Drawings
FIG. 1 is a schematic illustration of the installation of a pipe provided by an embodiment of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
fig. 3 is a first schematic view illustrating installation of a sleeve and a reinforcing bar according to an embodiment of the present invention;
FIG. 4 is a schematic view of a connection between tubes according to an embodiment of the present invention;
fig. 5 is a second schematic view illustrating installation of the sleeve and the reinforcing steel bar according to the embodiment of the present invention.
In the figure, 1, a tube body; 11. an accommodating cavity; 12. an opening; 13. a groove; 21. a sleeve; 22. a first limit ring; 23. a second stop collar; 24. a connecting member; 3. a sealing plug; 41. a deformation measuring element; 42. a communication cable; 421. a joint; 43. sealing the shell; 5. reinforcing steel bars; 51. a waterproof connector; 6. a measurement circuit; 7. an external monitoring device.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 5, the automatic monitoring device for horizontal displacement and axial force of a cast-in-place pile foundation provided by the present invention will now be described. The automatic monitoring device for horizontal displacement and axial force of the cast-in-place pile foundation comprises a
Thus, the
Specifically, in one embodiment, after the
Specifically, in one embodiment, the
In particular, in one embodiment, the inner surface of the
In particular, in one embodiment, the
Alternatively, the subject name of the application can be changed from 'an automatic monitoring device for horizontal displacement and axial force of a cast-in-place pile foundation' to 'displacement monitoring equipment'.
Further, referring to fig. 1 to 5, as an embodiment of the automatic monitoring device for horizontal displacement and axial force of a cast-in-place pile foundation provided by the present invention, the device further includes a first limiting
Further, referring to fig. 1 to 5, as an embodiment of the automatic monitoring device for horizontal displacement and axial force of a bored concrete pile foundation provided by the present invention, the number of the
Further, referring to fig. 1 to 5, as an embodiment of the automatic monitoring device for horizontal displacement and axial force of a cast-in-place pile foundation provided by the present invention, the
Further, referring to fig. 1 to 5, as an embodiment of the automatic monitoring device for horizontal displacement and axial force of a cast-in-place pile foundation provided by the present invention, the number of the
Specifically, in one embodiment, the number of deformation measuring units is four.
Further, referring to fig. 1 to 5, as an embodiment of the device for automatically monitoring horizontal displacement and axial force of a cast-in-place pile foundation provided by the present invention, the
Further, referring to fig. 1 to 5, as a specific embodiment of the device for automatically monitoring horizontal displacement and axial force of a cast-in-place pile foundation provided by the present invention, a
Specifically, in one embodiment, the strain gage is attached to the circuit board.
Further, referring to fig. 1 to 5, as an embodiment of the automatic monitoring device for horizontal displacement and axial force of a cast-in-place pile foundation provided by the present invention, the
Further, referring to fig. 1 to 5, as an embodiment of the automatic monitoring device for horizontal displacement and axial force of a cast-in-place pile foundation provided by the present invention, a
Further, referring to fig. 1 to 5, as an embodiment of the device for automatically monitoring horizontal displacement and axial force of a cast-in-place pile foundation provided by the present invention, the device further includes a
Referring to fig. 1 to 5, the present invention further provides a construction method of an automatic monitoring device for horizontal displacement and axial force of a cast-in-place pile foundation, including the following steps:
s1: manufacturing a plurality of detection units; the manufacturing process of each detection unit comprises the following steps:
preparing a
preparing a
s2: preparing a
s3: the
S4: connecting the
s5: the
Thus, in [ 1 ], the
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
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