CN219119998U - Telescopic device for fixing foundation pit inclinometer pipe direction - Google Patents

Abstract

The telescopic device for fixing the direction of the foundation pit inclinometer comprises a foundation pit inclinometer, a telescopic rod, a sliding rod and an L-shaped fixing rod, wherein a guide groove is positioned on the inner side of the foundation pit inclinometer and is used as a track of the inclinometer, and a positioning groove and the guide groove are positioned on the same central line; in the telescopic rod, a telescopic inner rod and a telescopic outer rod are connected through a rotary thread I, sliding rings are arranged at two ends of the telescopic rod, and a positioning rod is positioned at the top of the telescopic rod and is connected with a positioning groove; in the sliding rod, the sliding inner rod and the sliding outer rod are connected through the fixed rod, the fixed hole is formed in the sliding rod, the length of the sliding rod can be fixed by inserting the fixed rod into the fixed hole, the sliding groove is formed in the sliding rod, and the telescopic rod can slide on the sliding rod, so that the position of the foundation pit inclinometer pipe is adjusted; the L-shaped fixing rod is matched with the sliding groove. The utility model not only makes the inclinometer pipe vertical to the foundation pit, but also has the advantages of high construction efficiency, reusability and detachability.

Description

Telescopic device for fixing foundation pit inclinometer pipe direction

Technical Field

The utility model belongs to the field of foundation pit construction monitoring, and relates to a telescopic device for fixing the azimuth of a foundation pit inclinometer pipe, which is suitable for monitoring deep soil displacement in foundation pit construction.

Background

In the whole process of foundation pit construction, in order to solve the influence of foundation pit construction on surrounding structures (structures), the horizontal displacement of the deep soil body around the foundation pit is generally monitored to judge. The method for monitoring horizontal displacement of deep soil body is to drill holes on the periphery of a foundation pit, install inclinometer pipes, measure horizontal displacement of guide grooves along the guide grooves in the inclinometer pipes, and the displacement of the guide grooves reflects the displacement of the foundation pit. The current measuring method is that firstly, the inclinometer is put at the hole bottom along the guide groove, and data is measured at intervals of 0.5m until reaching the hole opening, and because the measuring precision requirement is very high, in order to eliminate the systematic error of the inclinometer, the inclinometer is usually rotated 180 degrees and put at the hole bottom again, and the inclinometer is measured again, and the average value of the two is taken as the soil horizontal displacement deformation value.

In order to ensure that the monitoring result can accurately reflect the influence of foundation pit construction on the surrounding environment, the guide groove of the inclinometer pipe is vertical to the foundation pit in construction monitoring, and in actual construction, when the inclinometer pipe is installed in a drill hole, the direction of the inclinometer pipe is often caused to deviate, so that the monitoring result cannot accurately reflect the influence of the foundation pit on the surrounding environment.

Disclosure of Invention

In order to overcome the problem that deviation exists in the direction of the inclinometer pipe in the prior art, the utility model provides a telescopic device for fixing the direction of the inclinometer pipe of a foundation pit, which not only enables the guide groove of the inclinometer pipe to be vertical to the foundation pit, but also has the advantages of high construction efficiency, reusability and detachability.

The technical scheme adopted for solving the technical problems is as follows:

the telescopic device comprises a foundation pit inclinometer pipe, a telescopic rod, a sliding rod and an L-shaped fixing rod, wherein the foundation pit inclinometer pipe comprises a guide groove and a positioning groove, the guide groove is positioned at the inner side of the foundation pit inclinometer pipe and is used as a track of an inclinometer, and the positioning groove and the guide groove are positioned on the same central line; the telescopic rod comprises a positioning rod, a sliding ring, a first rotary thread, a telescopic inner rod and a telescopic outer rod, wherein the telescopic inner rod is connected with the telescopic outer rod through the first rotary thread, the length of the telescopic rod can be adjusted through the first rotary thread, the sliding rings are arranged at two ends of the telescopic rod, the sliding ring can slide in a sliding groove, the positioning rod is positioned at the top of the telescopic rod and connected with the positioning groove, and the position of a foundation pit inclinometer pipe can be fixed; the sliding rod comprises a sliding groove, a fixed rod, a fixed hole, a sliding inner rod and a sliding outer rod, wherein the sliding inner rod is connected with the sliding outer rod through the fixed rod; the L-shaped fixing rod is matched with the sliding groove.

Further, L shape dead lever includes protruding section, rotatory screw thread two, stiff end, L shape fixed interior pole and L shape fixed exterior pole, and L shape dead lever is connected through rotatory screw thread two by L shape fixed interior pole and L shape fixed exterior pole, through the adjustable length of L shape dead lever of rotatory screw thread two, protruding section is located the both ends of L shape dead lever, and it is connected with the sliding tray, and the stiff end is located one side tip of L shape dead lever, links to each other with ground, is used for fixed sliding bar.

The beneficial effects of the utility model are mainly shown in the following steps:

(1) And the monitoring is accurate. The fixing device is used for correcting the inclinometer pipe in the descending process, so that the central line of the guide groove of the inclinometer pipe is in a vertical state with the foundation pit, the monitoring result can accurately reflect the horizontal displacement of the deep soil body, and the influence of foundation pit construction on the surrounding environment can be effectively judged.

(2) And the construction efficiency is high. The position of the foundation pit inclinometer pipe is positioned by adopting the slidable rod, and the foundation pit inclinometer pipe can be buried only by moving the telescopic rod in the follow-up process, so that the construction efficiency is greatly improved.

(3) Can be disassembled and recycled. After the use is finished, each part of the device can be disassembled and then assembled for the next project, so that the convenience is greatly improved, and the resources are saved.

Drawings

FIG. 1 is a diagram of a foundation pit inclinometer pipe orientation fixing device;

FIG. 2 is a three-dimensional view of a foundation pit inclinometer;

FIG. 3 is a three-dimensional view of a telescoping rod;

FIG. 4 is a three-dimensional view of a slide bar;

FIG. 5 is a section view of FIG. 4 taken along line 1-1;

fig. 6 is a three-dimensional view of an L-shaped fixing rod.

Wherein: the foundation pit inclinometer comprises a foundation pit inclinometer pipe 1, a guide groove 2, a positioning groove 3, a telescopic rod 4, a positioning rod 41, a sliding ring 42, a rotary thread one 43, a telescopic inner rod 44, a telescopic outer rod 45, a sliding rod 5, a sliding groove 51, a fixed rod 52, a fixed hole 53, a sliding inner rod 54, a sliding outer rod 55, an L-shaped fixed rod 6, a convex section 61, a rotary thread two 62, a fixed end 63, an L-shaped fixed inner rod 64, an L-shaped fixed outer rod 65, an enclosure structure 7 and a fixed block 8.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1 to 6, a telescopic device for fixing the orientation of a foundation pit inclinometer comprises a foundation pit inclinometer 1, a telescopic rod 4, a sliding rod 5 and an L-shaped fixing rod 6, wherein the foundation pit inclinometer 1 comprises a guide groove 2 and a positioning groove 3, the guide groove 2 is positioned on the inner side of the foundation pit inclinometer 1 and is used as a track of the inclinometer, and the positioning groove 3 and the guide groove 2 are positioned on the same central line; the telescopic rod 4 comprises a positioning rod 41, a sliding ring 42, a first rotary thread 43, a telescopic inner rod 44 and a telescopic outer rod 45, wherein the telescopic inner rod 44 and the telescopic outer rod 45 are connected through the first rotary thread 43, the length of the telescopic rod 4 can be adjusted through the first rotary thread 43, the sliding rings 42 are arranged at two ends of the telescopic rod 4, the sliding rings 42 can slide in the sliding grooves 52, the positioning rod 41 is positioned at the top of the telescopic rod 4, and is connected with the positioning groove 3, so that the position of the foundation pit inclinometer 1 can be fixed; the sliding rod 5 comprises a sliding groove 51, a fixed rod 52, a fixed hole 53, a sliding inner rod 54 and a sliding outer rod 55, the sliding rod 5 is connected by the sliding inner rod 54 and the sliding outer rod 55 through the fixed rod 52, the fixed hole 53 is positioned on the sliding rod 5, after the sliding inner rod 54 and the sliding outer rod 55 are well adjusted, the fixed rod 52 is inserted into the fixed hole 53 to fix the length of the sliding rod 5, the sliding groove 51 is positioned inside the sliding rod 5, and the telescopic rod 4 can slide on the sliding rod 5, so that the position of the foundation pit inclinometer tube is adjusted; the L-shaped fixing rod 6 comprises a protruding section 61, a rotary thread II 62, a fixing end 63, an L-shaped fixing inner rod 64 and an L-shaped fixing outer rod 65, the L-shaped fixing rod 6 is connected with the L-shaped fixing inner rod 64 and the L-shaped fixing outer rod 65 through the rotary thread II 62, the length of the L-shaped fixing rod 6 can be adjusted through the rotary thread II 62, the protruding section 61 is located at two ends of the L-shaped fixing rod 6 and connected with the sliding groove 51, and the fixing end 63 is located at one side end of the L-shaped fixing rod 6 and connected with the ground to fix the sliding rod 5.

The total length of a deep foundation pit of a subway station is 535.5m, the width of a standard section is 71.4m, the width of an end well is 73.35-80 m, the structural height of the standard section is 17.1m, the depth of the station is 18.8-20.3 m, the foundation pit is constructed by adopting an open-cut method, the form of a building envelope is a 1000mm thick underground continuous wall and three reinforced concrete supports, the soil layer in the construction range of the foundation pit is mainly sandy silt, silt clay and gravel, the surrounding of the foundation pit is more complex in environments such as airport parking lots, terminal buildings, rainwater pipes, power pipes, gas pipes and the like, and the accuracy requirement on deformation monitoring results is higher. In foundation pit construction, if the inclinometer is buried in a traditional mode, deviation exists in the azimuth of the inclinometer easily, accuracy of monitoring results is greatly affected, and if the inclination is too large, measures are not taken in time, use of surrounding building (construction) is affected. The rotary device for adjusting the azimuth of the foundation pit inclinometer pipe is adopted, so that the accuracy of the azimuth of the inclinometer pipe can be ensured, and the rotary device has the advantages of high construction efficiency, labor saving and the like.

Embodiments of the utility model:

(a) And assembling the foundation pit inclinometer pipe azimuth fixing device according to design requirements.

(b) The length of the telescopic rod is adjusted according to the distance between the inclinometer pipe and the enclosing structure, the length of the sliding rod is adjusted according to the length of the enclosing structure, the sliding rod is fixed by the L-shaped fixing rod, and the fixing block is placed in the sliding groove to fix the position of the telescopic rod.

(c) The drilling machine device drills the ground and installs and buries the foundation pit inclinometer pipe, and when the inclinometer pipe is buried, the locating rod is connected with the locating groove, so that the orientation of the inclinometer pipe is fixed, and the center line of the guide groove is vertical to the foundation pit.

(d) After construction is finished, the fixed block is removed, the positioning rod is separated from the positioning groove, then the telescopic rod is moved to the position of the next inclinometer pipe on the sliding groove, the construction is carried out on the inclinometer pipe by repeating the step (c), and a plurality of inclinometer pipes can be constructed together, so that the construction efficiency is improved.

(e) After the construction is finished, the inclinometer pipe azimuth fixing device is disassembled and recycled until the next project is used continuously.

The embodiments described in this specification are merely illustrative of the manner in which the inventive concepts may be implemented. The scope of the present utility model should not be construed as being limited to the specific forms set forth in the embodiments, but the scope of the present utility model and the equivalents thereof as would occur to one skilled in the art based on the inventive concept.

Claims (2)

1. The telescopic device for fixing the direction of the foundation pit inclinometer is characterized by comprising a foundation pit inclinometer, a telescopic rod, a sliding rod and an L-shaped fixing rod, wherein the foundation pit inclinometer comprises a guide groove and a positioning groove, the guide groove is positioned on the inner side of the foundation pit inclinometer and is used as a track of the inclinometer, and the positioning groove and the guide groove are positioned on the same central line; the telescopic rod comprises a positioning rod, a sliding ring, a first rotary thread, a telescopic inner rod and a telescopic outer rod, wherein the telescopic inner rod is connected with the telescopic outer rod through the first rotary thread, the length of the telescopic rod can be adjusted through the first rotary thread, the sliding rings are arranged at two ends of the telescopic rod, the sliding ring can slide in a sliding groove, the positioning rod is positioned at the top of the telescopic rod and connected with the positioning groove, and the position of a foundation pit inclinometer pipe can be fixed; the sliding rod comprises a sliding groove, a fixed rod, a fixed hole, a sliding inner rod and a sliding outer rod, wherein the sliding inner rod is connected with the sliding outer rod through the fixed rod; the L-shaped fixing rod is matched with the sliding groove.

2. The telescopic device for fixing the azimuth of the foundation pit inclinometer pipe according to claim 1, wherein the L-shaped fixing rod comprises a convex section, a second rotary screw thread, a fixed end, an L-shaped fixing inner rod and an L-shaped fixing outer rod, the L-shaped fixing rod is connected with the L-shaped fixing inner rod and the L-shaped fixing outer rod through the second rotary screw thread, the length of the L-shaped fixing rod can be adjusted through the second rotary screw thread, the convex section is positioned at two ends of the L-shaped fixing rod and connected with the sliding groove, and the fixed end is positioned at one side end of the L-shaped fixing rod and connected with the ground for fixing the sliding rod.

Images