CN114059603A

CN114059603A - Base pipe of inclinometer for civil engineering deep foundation pit

Info

Publication number: CN114059603A
Application number: CN202111267316.3A
Authority: CN
Inventors: 张锦圣
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-02-18
Anticipated expiration: 2041-10-29
Also published as: CN114059603B

Abstract

The invention discloses a base pipe of an inclinometer for a civil engineering deep foundation pit, which comprises a pipe body, wherein the inclinometer is arranged in the pipe body, the top of the pipe body is fixedly connected with a cover plate, the upper end of the cover plate is provided with a threading pipe, the threading pipe is communicated with the pipe body, the bottom of the pipe body is provided with a clamping device, the clamping device comprises a bottom plate and a water-soluble paper adhesive tape, the bottom plate is fixed at the lower end of the pipe body, the lower side of the bottom plate is fixedly connected with a plurality of fixed shafts, the fixed shafts are uniformly and annularly arranged by taking the axis of the bottom plate as the center, and the outer sides of the fixed shafts are rotatably connected with rotating plates. The invention has the advantages that: after the water-soluble paper tape met water fracture, got the tip and the pore wall contact of rotor plate, through apron control body reverse rotation, the tip of rotor plate will insert in the pore wall like this for the body installation is firm, and the deviational survey pipe can not take place to remove when using, and the accuracy of detection is high.

Description

Base pipe of inclinometer for civil engineering deep foundation pit

Technical Field

The invention relates to the technical field of foundation inclination measurement, in particular to a base pipe of an inclination measuring pipe for a civil engineering deep foundation pit.

Background

With the rapid development of municipal infrastructure of various domestic cities, it is common that subways and high-rise buildings are built near existing buildings. Under the scenes of preventing geological landslide, monitoring construction of building engineering, dams and the like, the sliding inclinometer is applied to monitoring deep displacement and deformation below the earth surface and is measurement equipment for the displacement and the deformation under the earth surface, which is very widely applied. Therefore, the sliding inclinometer is used for monitoring the horizontal displacement of the deep layer in the construction process so as to monitor the deformation of the building in the construction process. After the inclinometer in the prior art is installed in the inclinometer hole, displacement is generated under the action of external force, so that the monitoring accuracy of the inclinometer is easily influenced.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a base pipe of an inclinometer for a civil engineering deep foundation pit, which is suitable for a soil layer with low shallow water content.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a civil engineering deep basal pit is with parent tube of deviational survey pipe, which comprises a pipe body, the deviational survey pipe is equipped with in the body, body top fixed connection apron, the apron upper end is equipped with the threading pipe, the threading pipe is linked together with the body, the body bottom is equipped with chucking device, chucking device includes bottom plate and water-soluble paper sticky tape, the bottom plate is fixed at the body lower extreme, a plurality of fixed axles of bottom plate downside fixed connection, the fixed axle uses the axis of bottom plate to establish as the even ring in center, the fixed axle outside is rotated and is connected the rotor plate, be equipped with the torsional spring between rotor plate and the fixed axle, the torsional spring can make the rotor plate rotate to the body outside under natural state, one section of rotor plate is equipped with the point portion, rotor plate one side is equipped with the recess, with the rotor plate ligature through water-soluble paper sticky tape, make the rotor plate be located the bottom plate below, the bottom plate downside still is equipped with water jet equipment.

Preferably, water jet equipment includes the staving, is equipped with the cavity in the bottom plate, and the inboard bottom of cavity is equipped with a plurality of hole for water sprayings, and the hole for water sprayings is equipped with the mounting hole towards water-soluble paper tape setting, and the cavity downside is equipped with the mounting hole, and the staving is installed in the mounting hole, and the bung hole of staving sets up towards the cavity, is equipped with the through-hole in the barrel bottom department of staving, sliding connection ejector pin in the through-hole, and the piston ring is cup jointed in the ejector pin outside, and the staving is equipped with water, and the water level is in the piston ring top.

Preferably, the outer side of the ejector rod is sleeved with a sealing ring, and a first spring is fixedly connected between the sealing ring and the top of the inner side of the cavity.

Preferably, a plurality of avoidance grooves are formed at the outer side of the cover plate.

The invention has the advantages that: after the water-soluble paper tape met water fracture, got the tip and the pore wall contact of rotor plate, through apron control body reverse rotation, the tip of rotor plate will insert in the pore wall like this for the body installation is firm, and the deviational survey pipe can not take place to remove when using, and the accuracy of detection is high.

Drawings

FIG. 1 is a schematic diagram of the basic structure of the present invention;

FIG. 2 is an enlarged view of the portion W of FIG. 1;

FIG. 3 is another perspective view of FIG. 1;

FIG. 4 is a cross-sectional view of FIG. 1;

FIG. 5 is an enlarged view of portion A of FIG. 4;

FIG. 6 is a schematic structural view of the hoisting platform of the present invention;

FIG. 7 is an enlarged view of section F of FIG. 6;

FIG. 8 is a schematic view of the connection structure of the guide bar of the present invention;

FIG. 9 is an enlarged view of section E of FIG. 8;

FIG. 10 is a schematic view of the connection structure of the dial wheel of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

As shown in fig. 1 to 5, the base pipe of the inclinometer for the civil engineering deep foundation pit provided by the invention comprises a pipe body 1, wherein an inclinometer 10 is arranged in the pipe body 1, the top of the pipe body 1 is fixedly connected with a cover plate 3, the upper end of the cover plate 3 is provided with a threading pipe 31, the threading pipe 31 is communicated with the pipe body 1, a signal wire of the inclinometer 10 penetrates out of the threading pipe 31, the outer side of the cover plate 3 is provided with a plurality of avoiding grooves 32, and the pipe body 1 can be conveniently rotated through the avoiding grooves 32.

1 bottom of body is equipped with chucking device 2, chucking device 2 includes bottom plate 21 and water-soluble paper sticky tape 24, bottom plate 21 is fixed at 1 lower extreme of body, a plurality of fixed axles 20 of bottom plate 21 downside fixed connection, fixed axle 20 uses the axis of bottom plate 21 to establish as the even ring in center, the rotor plate 22 is connected in the rotation of the fixed axle 20 outside, the torsional spring is equipped with between rotor plate 22 and the fixed axle 20, the torsional spring can make rotor plate 22 rotate to the 1 outside of body under natural state, rotor plate 22 one section is equipped with sharp portion, rotor plate 22 one side is equipped with recess 23, through the ligature of water-soluble paper sticky tape 24 with rotor plate 22, water-soluble paper sticky tape 24 is located recess 23, make rotor plate 22 be located bottom plate 21 below. The lower side of the bottom plate 21 is also provided with a water spraying device.

The water spraying device comprises a barrel body 26, a cavity 25 is arranged in a bottom plate 21, a plurality of water spraying holes 252 are formed in the bottom of the inner side of the cavity 25, the water spraying holes 252 are arranged towards a water-soluble paper tape 24, a mounting hole is formed in the lower side of the cavity 25, the barrel body 26 is mounted in the mounting hole, a barrel opening of the barrel body 26 is arranged towards the cavity 25, a through hole is formed in the barrel bottom of the barrel body 26, a push rod 262 is connected in the through hole in a sliding mode, a piston ring 261 is sleeved on the outer side of the push rod 262, water is filled in the barrel body 26, and the water is located above the piston ring 261. The outer side of the push rod 262 is sleeved with the sealing ring 27, and the first spring 28 is fixedly connected between the sealing ring 27 and the top of the inner side of the cavity 25.

The installation principle, put into the deep hole that bores with body 1 in, the rotation descends, when ejector pin 262 contact hole bottom, along with body 1 continuously descends, ejector pin 262 promotes piston ring 261 with water push in the cavity, rethread hole for water spraying 252 falls on water-soluble paper sticky tape 24, water-soluble paper sticky tape 24 meets water and can slowly split, water-soluble paper sticky tape 24 fracture back, it makes the most portion and the pore wall contact of rotor plate 22 to get rotor plate 22 to rotate under the effect of torsional spring, through the reverse rotation of apron 3 control body 1, the most portion of rotor plate 22 will insert in the pore wall like this, make the body installation firm, the deviational survey pipe can not take place to remove when using, the accuracy of detection is high.

Example 2

As shown in fig. 1 to 10, the base pipe of the inclinometer for the civil engineering deep foundation pit of the embodiment 1 is installed through a hoisting device, the hoisting device includes a hoisting platform 4 and an elongated pipe 6, a rotating hole is formed in the middle of the hoisting platform 4, a driving ring 41 is rotatably connected in the rotating hole, two threaded holes are symmetrically formed in the driving ring 41, each threaded hole is connected with an inserted rod 42 in a threaded manner, an insertion hole 61 is formed in the outer side of the upper end of the elongated pipe 6, the insertion hole 61 is arranged corresponding to the inserted rod 42, the hoisting platform 4 is fixedly connected with a driving motor 43, a main shaft of the driving motor 43 is fixedly connected with a gear 44, an outer toothed ring 45 is fixedly connected to the outer side of the driving ring 41, the outer toothed ring 45 is meshed with the gear 44, a sliding hole 62 is formed in the inner wall of the lower end of the elongated pipe 6, a sliding rod 63 is slidably connected in the sliding hole 62, and a support spring 64 is fixedly connected between the sliding rod 63 and the hole bottom of the sliding hole 62;

a clamping groove 33 is formed in the outer side of the lower end of the cover plate 3, the clamping groove 33 is provided with a limiting surface 331 and a guide surface 332, the limiting surface 331 is arranged along the diameter direction of the cover plate 3, and the guide surface 332 is inclined and is connected with one end, close to the circle center of the cover plate 3, of the limiting surface 331; the inserted link 42 rotates and correspondingly inserts in the jack 61, install extension tube 6 to drive ring 41, through the hoisting equipment among the prior art, hoist and mount platform 4 to the predrilled hole top, hoist and mount platform 4 is prior art, the structure how to install etc. of specific hanging point is prior art, it is not repeated here, the dodge groove 32 and the slide bar 63 of apron 3 are aligned, rotate body 1 afterwards, slide bar 63 gets into the draw-in groove 33 and is blocked by spacing face 331, when rotating drive ring 41 like this, alright put with body 1 rotary type, in order to reduce the resistance that body 1 was put down, after body 1 reached the predetermined position, reverse rotation drive ring 41, slide bar 63 slides again in dodging the groove 32, alright remove extension tube 6 this moment, be convenient for put inclination tube 10 to different depths, it is convenient to use.

The guide surface 332 is provided with a blocking groove 333, the blocking groove 333 is arc-shaped, the blocking groove 333 is arranged corresponding to the slide rod 63, and the slide rod 63 can slide on the guide surface 332 and enter the blocking groove 333; when the sliding rod 63 slides to the avoiding groove 32 again from the guiding surface 332, the sliding rod 63 enters the blocking groove 333 to increase resistance, so that the rotating plate 22 can be embedded into the soil body, and after the rotating plate 22 is embedded into the soil body, the lengthening tube 6 is further rotated, so that the sliding rod 63 is separated from the blocking groove 333, the rotating plate 22 is conveniently embedded into the soil body, and the pipe body 1 is stably fixed at the corresponding depth.

The cover plate 3 is provided with a guide hole, the guide hole is internally connected with a guide rod 7 in a reciprocating sliding manner, the lower end of the guide rod 7 extends into the pipe body 1, the lower end of the guide rod 7 is fixedly connected with an annular box 71, the upper side of the annular box 71 is provided with a pressure relief hole, dry powder is filled in the annular box 71, the outer side of the lower end of the annular box 71 is provided with a discharge groove 72, the outer circle of the pipe body 1 is annularly provided with a plurality of blanking holes 73, and the blanking holes 73 are communicated with the inner cavity of the pipe body 1; the bottom of the annular box 71 is provided with an annular plate 74, and the annular plate 74 is slidably connected with the inner wall of the pipe body 1.

The poking wheel 711 is rotationally connected in the annular box 71, the rotating shaft of the poking wheel 711 is rotationally connected with the annular box 71 and extends to the outside of the annular box 71, the rotating shaft end of the poking wheel 711 is fixedly connected with the first gear 712, the inner wall of the pipe body 1 is fixedly connected with the toothed plate 713, the toothed plate 713 is meshed with the first gear 712, the poking wheel 711 is arranged at a position corresponding to the blanking hole 73, and in the up-and-down movement process of the annular box 71, dry powder is poked and dispersed, so that the dry powder is conveniently discharged from the blanking hole 73.

Fixed connection baffle 75 in the middle part of guide bar 7, fixed connection reset spring 76 between baffle 75 and the apron 3, guide bar 7 upper end fixed connection telescopic link 77, extension pipe 6 inner wall is equipped with logical groove 78, telescopic link 77 can be stretched out by leading to in the groove 78, the first arc piece 79 of telescopic link 77 upside fixed connection, use drive ring 41 as a plurality of second arc pieces of benchmark annular array fixed connection in hoisting platform 4 bottom, the second arc piece can contact with first arc piece 79.

The telescopic rod 77 comprises a square rod 771 and a sleeve pipe 772, the sleeve pipe 772 is installed on the outer side of the square rod 771 and is in sliding connection with the square rod 771, the square rod 771 is fixedly connected to the upper end of the guide rod 7, one end of the square rod 771 is fixedly connected with the electric push rod 773, the telescopic rod 77 of the electric push rod 773 is fixedly connected with the sleeve pipe 772, and the first arc-shaped block 79 is fixedly connected to the upper side of the sleeve pipe 772; order about body 1 at extension pipe 6 and rotate the in-process of transferring, second arc piece makes guide bar 7 periodic lift with first arc 79 interact, at the in-process that guide bar 7 goes up and down, dry powder is spilt by blanking hole 73 to annular case 71 of guide bar 7 lower extreme, combine with the drop of water of the inner wall of predrilled hole, avoid body 1 to transfer the in-process, the drop of water splashes on water-soluble paper sticky tape 24, cause rotor plate 22 to expand in advance, make unable preset position of placing, thereby improve the stability of device.

The installation principle, hang hoisting platform 4 to the predrilled hole top, the groove 32 of dodging of apron 3 is adjusted well with slide bar 63, rotate body 1 afterwards, slide bar 63 gets into in draw-in groove 33 and is blocked by spacing face 331, when rotating drive ring 41 like this, alright transfer with body 1 rotary type, in order to reduce the resistance that body 1 transferred, after body 1 reachs the predetermined position, reverse rotation drive ring 41, slide bar 63 slides in again dodges in the groove 32, this moment alright with will prolong pipe 6 and remove, be convenient for put the different degree of depth with deviational survey pipe 10, it is convenient to use.

Claims

1. The base pipe of the inclinometer for the civil engineering deep foundation pit is characterized by comprising a pipe body (1), wherein an inclinometer pipe (10) is arranged in the pipe body (1), the top of the pipe body (1) is fixedly connected with a cover plate (3), the upper end of the cover plate (3) is provided with a threading pipe (31), the threading pipe (31) is communicated with the pipe body (1), the bottom of the pipe body (1) is provided with a clamping device (2), the clamping device (2) comprises a bottom plate (21) and a water-soluble paper adhesive tape (24), the bottom plate (21) is fixed at the lower end of the pipe body (1), the lower side of the bottom plate (21) is fixedly connected with a plurality of fixing shafts (20), the fixing shafts (20) are uniformly and annularly arranged by taking the axis of the bottom plate (21) as the center, the outer side of the fixing shaft (20) is rotatably connected with a rotating plate (22), a torsion spring is arranged between the rotating plate (22) and the fixing shafts (20), and can enable the rotating plate (22) to rotate towards the outer side of the pipe body (1) under a natural state, rotating plate (22) one section is equipped with the point portion, rotating plate (22) one side is equipped with recess (23), through water-soluble paper sticky tape (24) with rotating plate (22) ligature for rotating plate (22) are located bottom plate (21) below, and bottom plate (21) downside still is equipped with water jet equipment.

2. The base pipe of the inclinometer for the civil engineering deep foundation pit as claimed in claim 1, wherein: the water spraying device comprises a barrel body (26), a cavity (25) is arranged in the bottom plate (21), a plurality of water spraying holes (252) are formed in the bottom of the inner side of the cavity (25), the water spraying holes (252) are arranged towards the water-soluble paper tape (24), a mounting hole is formed in the lower side of the cavity (25), the barrel body (26) is mounted in the mounting hole, a barrel opening of the barrel body (26) is arranged towards the cavity (25), a through hole is formed in the barrel bottom of the barrel body (26), a push rod (262) is connected in the through hole in a sliding mode, a piston ring (261) is sleeved on the outer side of the push rod (262), water is filled in the barrel body (26), and the water level is higher than the piston ring (261).

3. The base pipe of the inclinometer for the civil engineering deep foundation pit as claimed in claim 2, wherein: the outer side of the ejector rod (262) is sleeved with a sealing ring (27), and a first spring (28) is fixedly connected between the sealing ring (27) and the top of the inner side of the cavity (25).

4. The base pipe of the inclinometer for the civil engineering deep foundation pit as claimed in claim 1, wherein: the outer side of the cover plate (3) is provided with a plurality of avoiding grooves (32).