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CN-224213258-U - Soft soil foundation subsides monitoring devices

CN224213258UCN 224213258 UCN224213258 UCN 224213258UCN-224213258-U

Abstract

The application relates to the technical field of foundation monitoring, in particular to a soft foundation settlement monitoring device which comprises a vertically arranged embedded column and a rotating cylinder which is rotatably arranged in the embedded column, wherein the upper end surface of the embedded column is internally and coaxially provided with a rotating cavity which is matched with the rotating cylinder, the rotating cylinder is rotatably arranged in the rotating cavity, the peripheral wall of the embedded column is provided with a strip-shaped containing groove, the containing groove and the embedded column are coaxially arranged, a fixing plate is rotatably arranged in the containing groove, the fixing plate can be completely positioned in the containing groove, a first gear is fixedly connected to the end surface of the fixing plate, the bottom end of the containing groove is provided with a communication hole which is communicated with the rotating cavity and the containing groove, the first gear is rotatably arranged in the containing groove and the communication hole, the peripheral wall of the rotating cylinder is coaxially provided with annular teeth, and the annular teeth are meshed with the first gear, so that the effect of fixing the monitoring device in the soft foundation and improving the accuracy of monitoring data is achieved.

Inventors

  • ZHANG YIQING
  • LIU BO
  • ZHANG GUOKUI
  • LIU ZHEN
  • HAN LEI
  • HE YAQIN
  • WANG JIN
  • GAO JUNGUO
  • YANG JIAWEI
  • WANG XUE

Assignees

  • 山西机械化建设集团有限公司

Dates

Publication Date
20260508
Application Date
20250509

Claims (9)

  1. 1. A soft soil foundation settlement monitoring device is characterized by comprising a vertically arranged buried column (11) and a rotating cylinder (12) arranged inside the buried column (11) in a rotating mode, a rotating cavity (111) matched with the rotating cylinder (12) is formed in the upper end face of the buried column (11) in an inward coaxial mode, the rotating cylinder (12) is rotatably arranged in the rotating cavity (111), a containing groove (112) in a strip shape is formed in the peripheral wall of the buried column (11), the containing groove (112) and the buried column (11) are coaxially arranged, a fixing plate (13) is arranged in the containing groove (112) in a rotating mode, the fixing plate (13) can be completely located in the containing groove (112), a first gear (131) is fixedly connected to the end face of the fixing plate (13), a communication hole (113) communicated with the rotating cavity (111) and the containing groove (112) is formed in the end portion of the bottom of the containing groove, the first gear (131) is rotatably arranged in the containing groove (112), annular teeth (121) are coaxially arranged at the corresponding positions of the outer peripheral wall of the rotating cylinder (12), and the annular gear (121) is meshed with the annular gear (121).
  2. 2. The soft soil foundation settlement monitoring device according to claim 1, wherein a notch (114) is formed in the upper end of the outer side wall of the rotating cavity (111), the notch (114) is communicated with the upper end face of the embedded column (11), an operating rod (21) is fixedly connected to the outer peripheral wall of the rotating cylinder (12), the end part of the operating rod (21) penetrates into the notch (114), and the end face of the operating rod (21) is fixedly connected with the rotating cylinder (12).
  3. 3. The soft foundation settlement monitoring device according to claim 2, wherein the end face of the operating rod (21) deviating from the rotary cylinder (12) is provided with a containing cavity (211), a button (22), a second gear (23), a spring and a fixed column (24) are arranged in the containing cavity (211), the button (22) is slidably arranged in the containing cavity (211), the spring is arranged between the button (22) and the bottom of the containing cavity (211), the second gear (23) is hinged with the side wall of the containing cavity (211), the axis of the second gear (23) is perpendicular to the length direction of the button (22), the side wall of the button (22) is machined to form teeth which are meshed with the second gear (23), the fixed column (24) penetrates into the operating rod (21) and the end part of the operating rod is positioned in the containing cavity (211), the side wall of the fixed column (24) is machined to form teeth which are meshed with the second gear (23), the length direction of the fixed column (24) is perpendicular to the axis of the second gear (23), the length direction of the button (22) is hinged with the bottom of the containing cavity (211), and the bottom of the notch (114) is provided with a first positioning hole (115) which can be inserted into the first positioning hole (115).
  4. 4. A soft foundation settlement monitoring device according to claim 3, wherein a second positioning hole (116) is formed at the bottom of the notch (114) and spaced from the first positioning hole (115), the second positioning hole (116) is matched with the fixing column (24), and the end part of the fixing column (24) can be inserted into the second positioning hole (116).
  5. 5. A soft foundation settlement monitoring device according to claim 3, wherein the fixing column (24) is inserted into the end of the first positioning hole (115) and processed into a sphere.
  6. 6. A soft foundation settlement monitoring device according to claim 1, wherein the upper end face of the embedded column (11) is coaxially provided with a circular sealing cover (14) through a flange and bolts.
  7. 7. The soft foundation settlement monitoring device according to claim 6, wherein the sealing cover (14) is fixedly connected with a laser head (141) away from the surface of the embedded column (11).
  8. 8. A soft foundation settlement monitoring device according to claim 6, wherein the surface of the closing cover (14) facing away from the embedded column (11) is provided with a U-shaped handle (142), and the U-shaped opening of the handle (142) faces the closing cover (14).
  9. 9. A soft foundation settlement monitoring device according to claim 1, wherein the surface of the embedded column (11), the surface of the rotary cylinder (12), the surface of the fixed plate (13), the surface of the first gear (131) and the cavity wall of the rotary cavity (111) are coated with an anti-corrosion coating.

Description

Soft soil foundation subsides monitoring devices Technical Field The application relates to the technical field of foundation monitoring, in particular to a soft soil foundation settlement monitoring device. Background At present, when a soft soil geological layer is encountered in construction, the soft soil stratum generally has engineering characteristics of high water content, low bearing capacity, high compressibility, obvious rheological property and the like, the bearing capacity of a natural foundation is difficult to meet the load requirement of an upper structure, and unexpected settlement deformation is extremely easy to generate under the action of construction loads such as pile foundation construction, foundation pit excavation, embankment filling and the like, so that systematic detection work for ground settlement conditions has important engineering significance. The existing monitoring device is generally buried in the soft soil foundation vertically by adopting a longer cylinder, the upper end of the monitoring device is located above the surface of the soft soil foundation, and the height of the upper end of the monitoring device is measured through a level gauge to judge whether the soft soil foundation is settled or not. The prior art scheme has the following defects that the rheological property and the high compressibility of the soft soil foundation are obvious, soil body easily moves sideways, the embedded cylinder is enabled to generate integral inclination and horizontal displacement, the rigidity difference between the cylinder and the soil body is large, the monitoring device is easy to be out of adhesion with the soft soil foundation, and the monitoring data are inaccurate. Disclosure of utility model The application provides a soft soil foundation settlement monitoring device for fixing the monitoring device in a soft soil foundation and improving the accuracy of monitoring data. The technical aim of the application is realized by the following technical scheme: The utility model provides a weak soil foundation subsides monitoring devices, is in including the vertical setting buries the post and rotates the setting buries the inside rotary drum of post, buries the post up end inwards coaxial set up with the rotary cavity of rotary drum adaptation, rotary drum rotates and sets up rotate the intracavity, buries the holding tank that the post periphery wall set up to be the bar, the holding tank with bury the coaxial setting of post, the holding tank internal rotation is provided with the fixed plate, the fixed plate can be located the holding tank completely, and the fixed plate terminal surface rigid coupling has first gear, and the communication hole of intercommunication rotary cavity and holding tank has been seted up to holding tank bottom tip, first gear rotates and sets up in holding tank and communication hole, rotates the coaxial ring tooth that is provided with in position corresponding to the rotary drum periphery wall, ring tooth and first gear engagement. Through adopting above-mentioned technical scheme, through setting up and burying post, rotating a section of thick bamboo, the fixed plate, first gear and cyclic annular tooth, can be when rotating a section of thick bamboo and rotate, drive the fixed plate through the meshing of cyclic annular tooth and first gear and rotate, make the fixed plate can follow the holding tank and stretch out or withdraw, bury the post and bury in soft soil foundation, whether subside can take place for monitoring soft soil foundation through burying post up end height, when monitoring devices buries in soft soil foundation, rotate a section of thick bamboo, the fixed plate stretches out the holding tank and inserts and establish in soft soil foundation, increase monitoring devices and soft soil foundation's area of contact, thereby fix monitoring devices firmly in soft soil foundation, improve monitoring data's accuracy. Optionally, the breach has been seted up to rotation chamber lateral wall upper end, breach intercommunication buries the post up end, and the rotary drum periphery wall rigid coupling has the action bars, the action bars tip penetrates the breach, action bars terminal surface and rotary drum rigid coupling. Through adopting above-mentioned technical scheme, through setting up the action bars, can be when needs rotate the section of thick bamboo, direct operation action bars utilizes the action bars to drive the section of thick bamboo rotation in rotating the intracavity, has made things convenient for the rotation operation to the section of thick bamboo that rotates, and then is convenient for through the rotation of a rotation section of thick bamboo control fixed plate, realizes that the fixed plate accomodates or stretches out in the holding tank. Optionally, hold the chamber has been seted up to the terminal surface that the action bars deviate from the rotary drum, hold intracavity and be provided with but