CN113218363B

CN113218363B - Geotechnical engineering construction soil layer subsides and uses monitoring devices

Info

Publication number: CN113218363B
Application number: CN202110534049.5A
Authority: CN
Inventors: 王鹤; 薛德君; 李国超
Original assignee: Avic Geotechnical Engineering Institute Co ltd
Current assignee: Avic Geotechnical Engineering Institute Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2022-10-25
Anticipated expiration: 2041-05-17
Also published as: CN113218363A

Abstract

The invention relates to the technical field of geotechnical engineering detection, and discloses a monitoring device for soil layer settlement in geotechnical engineering construction, which comprises a chassis, wherein a through hole is formed in a central shaft in the chassis, a limiting column is fixedly connected to the central shaft at the top of the chassis, the limiting column is communicated with the through hole, reinforcing ribs are fixedly connected to the outer surface of the limiting column in an annular mode, the bottoms of the four reinforcing ribs are fixedly connected with the top of the chassis, a sleeve rod is sleeved inside the limiting column, a cap is arranged at the top of the sleeve rod, when a measuring rod is placed inside the sleeve rod, a spring inside the connecting groove extrudes the top column, so that the ball is driven by the top column to be close to and in contact with the inner wall of the sleeve rod, when soil is settled, the measuring rod can slide downwards through the ball, so that the settlement distance can be conveniently monitored, and the sliding friction is changed into rolling friction through the arrangement of the ball, and the monitoring effect is better.

Description

Geotechnical engineering construction soil layer subsides and uses monitoring devices

Technical Field

The invention relates to the technical field of geotechnical engineering detection, in particular to a monitoring device for soil layer settlement in geotechnical engineering construction.

Background

The ground all can produce under the building load effect and subside, if the ground subsides, especially difference subsides, surpasss the building allowed band, then influences the normal use of building lightly, then leads to house fracture slope, road bed settlement, dykes and dams collapse etc. then, in order to know in time that the ground subsides and subsides the trend of change under the building load effect to take effective measure in advance, the emergence of prevention accident, many projects all need set up the settlement observation.

Most of existing monitoring devices carry out settlement numerical values through the matching of the sleeve rod and the measuring rod, but when geotechnical engineering construction soil layers are monitored, the measuring rod is not obvious in displacement due to friction force between the measuring rod and the sleeve rod, and measuring data are inaccurate, so that the monitoring device for geotechnical engineering construction soil layer settlement is provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a monitoring device for soil layer settlement in geotechnical engineering construction, which aims to solve the problems in the background art.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a geotechnical engineering construction soil layer settlement is with monitoring devices, includes the chassis, the through-hole has been seted up to the inside axis department in chassis, chassis top axis department fixedly connected with spacing post, spacing post and through-hole intercommunication, spacing post surface annular fixedly connected with strengthening rib, four the strengthening rib bottom all with chassis top fixed connection, the inside cover of spacing post has the loop bar, the loop bar top is provided with the block.

Preferably, the inside axis department of loop bar is provided with the measuring staff, four spread grooves, four have been seted up to the inside annular of measuring staff the inside spring one and the fore-set that all are provided with of spread groove, four one both ends of spring are equallyd divide respectively with four spread groove cell walls and four fore-set fixed connection, four the one end that the measuring staff was kept away from respectively to the fore-set all has inlayed the ball, four the ball is equallyd divide do not contact with the loop bar inner wall.

Preferably, the inside support ring that is provided with of spacing post, support ring surface and spacing post inner wall fixed connection, the support ring below is provided with the mechanism of applying oil, the mechanism below of applying oil is provided with the collection mechanism.

Preferably, the mechanism of putting oil includes solid fixed ring, gu fixed ring inner wall and measuring staff fixed surface are connected, gu fixed ring bottom annular has been seted up four and has been rotated the groove, four it all is provided with branch, four to rotate inslot portion branch is equallyd divide and is do not rotated inslot wall with four and be connected, four the branch bottom all is provided with paints the piece, four the equal fixedly connected with spring two of the inside one end of branch, four the spring two is equallyd divide do not be connected with measuring staff fixed surface.

Preferably, the smearing part comprises a fixing frame, a clamping groove is formed in the inner wall of the fixing frame, a sponge block is arranged in the clamping groove, an arc-shaped groove is formed in the top of the fixing frame, thirteen oil filling holes are formed in the arc-shaped groove, and the thirteen oil filling holes are communicated with the clamping groove respectively.

Preferably, the collecting mechanism comprises a connecting frame, the outer surface of the connecting frame is fixedly connected with the inner wall of the limiting column, the inner wall of the connecting frame is bonded with a rubber sleeve, a connecting film is bonded inside the connecting frame, one end, away from the connecting frame, of the connecting film is bonded with the rubber sleeve, and two pull ropes are bonded on the inner wall of the rubber sleeve.

Preferably, the inside annular of link is provided with four and supports the board, four support the board and all bond with the rubber sleeve, four support the inside axis department of board and all seted up the rectangular channel, four the rectangular channel inside all is provided with the bungee cord, four the bungee cord all contacts with four rectangular channel inner wall tops, four the bungee cord both ends are equallyd divide and do not bond with linking membrane and link inner wall, four the equal four springs of the equal fixedly connected with of link inner wall are three, four the spring is equallyd divide do not support board fixed connection with four.

Compared with the prior art, the invention provides a monitoring device for soil layer settlement in geotechnical engineering construction, which has the following beneficial effects:

1. when the measuring rod is placed in the sleeve rod, the spring I in the connecting groove extrudes the jacking column, so that the jacking column drives the ball to approach and contact the inner wall of the sleeve rod, when the soil subsides, the measuring rod can slide downwards through the ball, so that the subsidence distance can be conveniently monitored, and the sliding friction is changed into rolling friction through the arrangement of the ball to be in contact with the sleeve rod, so that the monitoring effect is better.

2. According to the invention, the fixing ring is arranged, so that the fixing ring can drive the fixing frame to move downwards through the measuring rod, and the supporting rod is extruded through the elastic force of the second spring, so that the supporting rod drives the fixing frame to approach the inner wall of the sleeve rod, thus the sponge block can be in contact with the inner wall of the sleeve rod, the sponge block can coat oil on the inner wall of the sleeve rod, and the friction caused inside the sleeve rod is reduced.

3. According to the invention, the arc-shaped groove is formed, so that lubricating oil leaks into the clamping groove through the oil filling hole in the arc-shaped groove, the lubricating oil is conveniently absorbed by the sponge block in the clamping groove, and meanwhile, the connecting frame is arranged, so that the oil on the sponge block and the oil on the inner wall of the loop bar can be collected, and the influence of direct landing of the oil on monitoring is avoided.

4. According to the invention, the pull rope is pulled downwards, the rubber sleeve is pulled down through the pull rope, the connecting film is jacked up through the abutting plate when the rubber sleeve is pulled, so that oil in the connecting frame is conveniently discharged, the abutting plate and the connecting film are reset by the driving of the third spring after the pull rope is loosened, the elastic rope is pulled down through the rectangular groove, so that the connecting film is pulled to the original position by the elastic rope, and the oil is conveniently collected next time.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of A of FIG. 2 according to the present invention;

FIG. 4 is a schematic structural diagram of the oil applying mechanism of the present invention;

FIG. 5 is a schematic view of the applicator of the present invention;

FIG. 6 is a schematic view of the collection mechanism of the present invention;

FIG. 7 is a cross-sectional view of the collection mechanism of the present invention;

FIG. 8 is an enlarged view of B of FIG. 7 according to the present invention.

In the figure: the base plate 1, the limiting column 2, the support ring 21, the oil applying mechanism 22, the fixing ring 221, the rotating groove 222, the support rod 223, the applying piece 224, the fixing frame 2241, the clamping groove 2242, the arc-shaped groove 2243, the oil filling hole 2244, the sponge block 2245, the second spring 225, the collecting mechanism 23, the connecting frame 231, the abutting plate 2311, the rectangular groove 2312, the elastic rope 2313, the third spring 2314, the rubber sleeve 232, the connecting film 233, the pull rope 234, the reinforcing rib 3, the sleeve rod 4, the cover cap 5, the measuring rod 6, the connecting groove 61, the top column 62, the ball 63, the first spring 64 and the settling block 65.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

Referring to fig. 1-8, the present invention provides a technical solution: a monitoring device for soil layer settlement in geotechnical engineering construction comprises a chassis 1, a through hole is formed in a central shaft in the chassis 1, a limiting post 2 is fixedly connected to the central shaft at the top of the chassis 1, a supporting ring 21 is arranged in the limiting post 2, the outer surface of the supporting ring 21 is fixedly connected with the inner wall of the limiting post 2, an oil wiping mechanism 22 is arranged below the supporting ring 21 and comprises a fixing ring 221, the fixing ring 221 can drive a fixing frame 2241 to move downwards through a measuring rod 6 by arranging the fixing ring 221, the supporting rod 223 is extruded by the elastic force of a spring II 225, the supporting rod 223 drives the fixing frame 2241 to approach the inner wall of a sleeve rod 4, so that a sponge block 2245 can be in contact with the inner wall of the sleeve rod 4, the sponge block 2245 can wipe the inner wall of the sleeve rod 4 to reduce friction caused by the inner part of the sleeve rod 4, the inner wall of the fixing ring 221 is fixedly connected with the outer surface of the measuring rod 6, four rotating grooves 222 are annularly formed in the bottom of the fixing ring 221, the four rotating grooves 222 are internally provided with struts 223, the four struts 223 are respectively rotatably connected with the inner walls of the four rotating grooves 222, the bottoms of the four struts 223 are respectively provided with a smearing piece 224, the smearing piece 224 comprises a fixed frame 2241, the inner wall of the fixed frame 2241 is provided with a clamping groove 2242, the inside of the clamping groove 2242 is provided with a sponge block 2245, the top of the fixed frame 2241 is provided with an arc-shaped groove 2243, lubricating oil is enabled to leak into the clamping groove 2242 through an oil filling hole 2244 in the arc-shaped groove 2243 by arranging the arc-shaped groove 2243, the lubricating oil is conveniently absorbed by the sponge block 2245 in the clamping groove 2242, meanwhile, by arranging the connecting frame 231, the oil on the sponge block 2245 and the oil on the inner wall of the sleeve rod 4 can be collected, the influence on the monitoring caused by the direct landing of the oil is avoided, thirteen oil filling holes 2244 are arranged in the arc-shaped groove 2243, the thirteen oil filling holes 2244 are respectively communicated with the clamping grooves 2242, the inward ends of the four support rods 223 are fixedly connected with two springs 225, the four springs 225 are respectively fixedly connected with the outer surface of the measuring rod 6, the collection mechanism 23 is arranged below the oiling mechanism 22, the collection mechanism 23 comprises a connecting frame 231, four abutting plates 2311 are annularly arranged inside the connecting frame 231, the four abutting plates 2311 are respectively bonded with the rubber sleeve 232, rectangular grooves 2312 are formed in the middle shafts inside the four abutting plates 2311, elastic ropes 2313 are arranged inside the four rectangular grooves 2312, the four elastic ropes 2313 are respectively contacted with the tops of the inner walls of the four rectangular grooves 2312, two ends of the four elastic ropes 2313 are respectively bonded with the connecting film 233 and the inner wall of the connecting frame 231, four spring three 2314 are respectively fixedly connected with the inner walls of the four connecting frame 231, the four spring three 2314 are respectively fixedly connected with the four abutting plates 2311, the outer surface of the connecting frame 231 is fixedly connected with the inner wall of the limiting column 2, the inner wall of the connecting frame 231 is provided with the rubber sleeve 232, the connecting film 233 is bonded inside the connecting frame 231, one end of the connecting film 233 far away from the connecting frame 231 is bonded with the rubber sleeve 232, two pull ropes 234 are bonded on the inner wall of the rubber sleeve 232, the rubber sleeve 232 is pulled down through the pull ropes 234 by pulling the pull ropes 234 downwards, the connecting film 233 is jacked up through the abutting plate 2311 when the rubber sleeve 232 is pulled, oil inside the connecting frame 231 is conveniently discharged, after the pull ropes 234 are loosened, the abutting plate 2311 and the connecting film 233 are driven to reset by the springs 2314, the rectangular grooves 2313 pull down the elastic ropes 2313 to enable the elastic ropes 2313 to pull the connecting film 223 to the original position, oil is conveniently collected next time, the limiting column 2 is communicated with the through holes, reinforcing ribs 3 are fixedly connected to the outer surface of the limiting column 2 in an annular mode, the bottoms of the four reinforcing ribs 3 are fixedly connected with the top of the chassis 1, the loop bar 4 is arranged inside the limiting column 2, the loop bar 4 is provided with the measuring bar 6 in the center shaft inside the loop, the measuring bar 6 is annularly provided with four connecting grooves 61, four inside springs 64 and the fore-set 62 of all being provided with of spread groove 61, four spring 64 both ends are equallyd divide do not with four spread groove 61 cell walls and four fore-set 62 fixed connection, four fore-set 62 keep away from the one end of measuring staff 6 respectively and have all inlayed ball 63, four ball 63 are equallyd divide do not with the contact of loop bar 4 inner wall, when putting into loop bar 4 inside with measuring staff 6, the inside spring 64 extrusion fore-set 62 of spread groove 61, thereby make fore-set 62 drive ball 63 be close to and contact to loop bar 4 inner wall, when the soil subsides, measuring staff 6 is through can ball 63 lapse, thereby can conveniently monitor the settlement distance, can contact with loop bar 4 through setting up ball 63, become rolling friction with sliding friction, make its monitoring effect better, loop bar 4 top is provided with block 5.

When the device is used, the loop bar 4 is inserted into the limiting post 2, the bottom of the loop bar 4 is in contact with the support ring 21, the measuring bar 6 is placed into the loop bar 4, the distance between the top of the measuring bar 6 and the top of the loop bar 4 is recorded, the cover cap 5 is covered, the distance between the top of the measuring bar 6 and the top of the loop bar 4 is measured again after a period of time, and a settlement value can be obtained, when the measuring bar 6 is placed into the loop bar 4, the spring I64 in the connecting groove 61 extrudes the jack post 62 through the connecting groove 61 formed in the measuring bar 6, so that the jack post 62 drives the ball 63 to approach and contact the inner wall of the loop bar 4, when land subsides, the measuring bar 6 can slide downwards through the ball 63, so that the measuring bar 6 can conveniently monitor the settlement distance when the measuring bar 6 is placed into the loop bar 4, the measuring bar 6 drives the fixing ring 221 to move downwards, so that the fixing ring 221 can drive the fixing frame 2241 to move downwards through the supporting bar 223, wherein the support rod 223 is extruded by the elastic force of the second spring 225, so that the support rod 223 drives the fixing frame 2241 to approach the inner wall of the sleeve rod 4, thereby the sponge block 2245 can contact the inner wall of the sleeve rod 4, then the lubricating oil is poured into the arc-shaped groove 2243, the lubricating oil leaks into the clamping groove 2242 through the oil filling hole 2244, thereby the lubricating oil can be absorbed by the sponge block 2245 in the clamping groove 2242, the sponge block 2245 moves downwards along with the measuring rod 6, thereby the sponge block 2245 can oil the inside of the sleeve rod 4, the friction can be reduced, the measuring rod 6 is less influenced by the friction force, the monitoring precision is ensured, wherein the redundant oil in the sleeve rod 4 slides down to the inside of the connecting frame 231 for collection, the oil is prevented from falling onto the ground, the detection result is influenced, after the detection is finished, the pull-down pull rope 234 pulls the rubber sleeve 232 through the pull-rope 234, when the rubber sleeve 232 is pulled, the rubber sleeve 232 drives the abutting plate 2311 to deflect, so that the abutting plate 2311 is lifted upwards to jack the connecting film 233, oil inside the connecting frame 231 is discharged conveniently, then the spring III 2314 drives the abutting plate 2311 and the connecting film 233 to reset by loosening the pull rope 234, then the rectangular groove 2312 pulls down the elastic rope 2313, the elastic rope 2313 pulls the connecting film 223 to the original position, and the oil is collected conveniently next time.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a geotechnical engineering construction soil layer subsides and uses monitoring devices, includes chassis (1), its characterized in that: a through hole is formed in the center shaft inside the chassis (1), a limiting column (2) is fixedly connected to the center shaft at the top of the chassis (1), the limiting column (2) is communicated with the through hole, reinforcing ribs (3) are fixedly connected to the outer surface of the limiting column (2) in an annular mode, the bottoms of the four reinforcing ribs (3) are fixedly connected to the top of the chassis (1), a sleeve rod (4) is sleeved inside the limiting column (2), and a cap (5) is arranged at the top of the sleeve rod (4);

a measuring rod (6) is arranged at a middle shaft in the loop bar (4), four connecting grooves (61) are annularly formed in the measuring rod (6), a first spring (64) and a top column (62) are arranged in each of the four connecting grooves (61), two ends of each first spring (64) are fixedly connected with the groove walls of the four connecting grooves (61) and the four top columns (62), balls (63) are embedded in one ends of the four top columns (62) far away from the measuring rod (6), and the four balls (63) are in contact with the inner wall of the loop bar (4);

a support ring (21) is arranged in the limiting column (2), the outer surface of the support ring (21) is fixedly connected with the inner wall of the limiting column (2), an oil smearing mechanism (22) is arranged below the support ring (21), and a collecting mechanism (23) is arranged below the oil smearing mechanism (22);

the oil applying mechanism (22) comprises a fixing ring (221), the inner wall of the fixing ring (221) is fixedly connected with the outer surface of the measuring rod (6), four rotating grooves (222) are annularly formed in the bottom of the fixing ring (221), supporting rods (223) are arranged inside the four rotating grooves (222), the four supporting rods (223) are respectively and rotatably connected with the inner walls of the four rotating grooves (222), smearing pieces (224) are arranged at the bottoms of the four supporting rods (223), springs II (225) are fixedly connected to inward ends of the four supporting rods (223), and the four springs II (225) are respectively and fixedly connected with the outer surface of the measuring rod (6);

daub (224) including mount (2241), draw-in groove (2242) have been seted up to mount (2241) inner wall, inside sponge piece (2245) of being provided with of draw-in groove (2242), arc recess (2243) have been seted up at mount (2241) top, thirteen tank filler hole (2244) have been seted up to arc recess (2243) inside, thirteen tank filler hole (2244) equally divide do not communicate with draw-in groove (2242).

2. The geotechnical engineering construction soil layer settlement monitoring device according to claim 1, wherein: collect mechanism (23) and include link (231), link (231) surface and spacing post (2) inner wall fixed connection, link (231) inner wall bonds and has rubber sleeve (232), link (231) inside bonding has connection membrane (233), the one end and the rubber sleeve (232) bonding of link (231) are kept away from in connection membrane (233), rubber sleeve (232) inner wall bonds and has two stay cords (234).

3. The geotechnical engineering construction soil layer settlement monitoring device according to claim 2, wherein: four abutting plates (2311) are annularly arranged inside the connecting frame (231), the four abutting plates (2311) are all bonded with the rubber sleeve (232), rectangular grooves (2312) are formed in the middle shafts inside the four abutting plates (2311), elastic ropes (2313) are arranged inside the four rectangular grooves (2312), the four elastic ropes (2313) are all in contact with the tops of the inner walls of the four rectangular grooves (2312), the two ends of the four elastic ropes (2313) are uniformly bonded with the connecting film (233) and the inner wall of the connecting frame (231), four springs (2314) are fixedly connected to the inner wall of the connecting frame (231), and the four springs (2314) are uniformly connected with the four abutting plates (2311) respectively.