CN214169184U

CN214169184U - Foundation pit deformation monitoring device

Info

Publication number: CN214169184U
Application number: CN202023016355.XU
Authority: CN
Inventors: 马金龙
Original assignee: Beijing Jingdian Fengsheng Construction Co ltd
Current assignee: Beijing Jingdian Fengsheng Construction Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-09-10
Anticipated expiration: 2030-12-14

Abstract

The utility model belongs to the technical field of foundation ditch engineering technique and specifically relates to a foundation ditch deformation monitoring devices is related to, it includes the stand and establishes the measuring stick on the stand lateral wall, the measuring stick is including fixing the dead lever on the stand lateral wall and the butt pole of being connected with the dead lever slides, the one end that ground was kept away from to the dead lever is equipped with the spout, the one end that the butt pole is close to ground is equipped with the draw runner with spout looks adaptation, the one end that the butt pole was kept away from to the draw runner is equipped with the dovetail, the tank bottom of spout is equipped with the dovetail notch with dovetail looks adaptation along the direction of keeping away from the spout, be equipped with the scale mark on the dead lever, the one end that the butt pole is close to the stand is equipped with the datum line. The present application has the following effects: the slide bar is matched with the sliding groove, the dovetail head is matched with the dovetail-shaped groove opening, the abutting rod can be prevented from being separated from the fixed rod easily, the abutting rod is prevented from being inclined on the fixed rod due to self gravity, the guidance performance of the dovetail groove is good, the abutting rod can slide more smoothly, and therefore the monitoring result is more accurate.

Description

Foundation pit deformation monitoring device

Technical Field

The application relates to the technical field of foundation pit engineering, in particular to a foundation pit deformation monitoring device.

Background

The purpose of monitoring the foundation pit engineering is to accurately know the actual deformation condition of the foundation pit in the construction process of the foundation pit engineering, correct design and construction parameters in time and ensure the safety of the foundation pit engineering and surrounding buildings. In the bridge or building construction process, relate to prefabricated stand more and more, the tip of prefabricated stand often imbeds ground during the construction, therefore ground just need carry out the construction of reserving the foundation ditch when the construction.

The chinese utility model patent with the publication number of CN207998877U discloses a foundation pit deformation monitoring device, which comprises a hollow measuring sleeve and a measuring shell arranged at the upper end of the measuring sleeve, wherein a vertical measuring rod capable of vertically sliding is arranged in the measuring sleeve, and an observation window for observing the sliding state of the vertical measuring rod is arranged at the side surface of the measuring sleeve; the measuring shell is provided with a plurality of horizontal measuring rods which respectively slide along different horizontal directions, the measuring shell is provided with an accommodating cavity, one end of each horizontal measuring rod is arranged in the accommodating cavity, and the other end of each horizontal measuring rod extends along the outer side of the measuring shell; the top end of the measuring shell is provided with an opening and a detachable cover for sealing the opening.

In view of the above-mentioned related art, the inventor believes that the horizontal link has a certain weight and the center of gravity is located at the middle of the horizontal link in the axial direction, and the horizontal link is prone to skew, so that the measurement result is inaccurate.

SUMMERY OF THE UTILITY MODEL

In order to improve foundation ditch deformation measurement result's accuracy, this application provides a foundation ditch deformation monitoring devices.

The application provides a foundation ditch deformation monitoring devices adopts following technical scheme:

the utility model provides a foundation ditch deformation monitoring devices, includes the stand and establishes the measuring stick on the stand lateral wall, the measuring stick slides the butt pole of being connected including fixing the dead lever on the stand lateral wall and with the dead lever, the one end that ground was kept away from to the dead lever is equipped with the spout, the one end that the butt pole is close to ground is equipped with the draw runner with spout looks adaptation, the one end that the butt pole was kept away from to the draw runner is equipped with the dovetail, the tank bottom of spout is equipped with the dovetail notch with dovetail looks adaptation along the direction of keeping away from the spout, be equipped with the scale mark on the dead lever, the one end that the butt pole is close to the stand is equipped with the datum line.

Through adopting above-mentioned technical scheme, in the spout of dead lever is sent into to the draw runner of butt joint pole along the length direction of dead lever, make dovetail embedding dovetail notch in the while, can make the butt joint pole difficult with the dead lever emergence separation, the butt joint pole also is difficult because self gravity reason takes place the slope on the dead lever to the guidance quality of dovetail is good, and the slippage of butt joint pole is more smooth and easy, therefore the monitoring result is more accurate.

Optionally, an inclined strut is arranged between the side wall of the upright column and the fixing rod.

Through adopting above-mentioned technical scheme, the diagonal brace is used for strengthening the steadiness of dead lever on the stand to make the pole that butts slide on the dead lever more steady.

Optionally, one end of the abutting rod, which is far away from the upright post, is provided with a spherical abutting head.

Through adopting above-mentioned technical scheme, spherical butt head makes the contact effect between butt joint pole and the foundation ditch lateral wall better, and when the foundation ditch warp, the lateral wall of foundation ditch forms the pushing action to the butt joint pole more easily.

Optionally, a base station is arranged at one end, close to the ground, of the upright column, and the upright column is connected with the base station through a pre-buried assembly.

Through adopting above-mentioned technical scheme, the base station is used for strengthening the steadiness of stand in the foundation ditch bottom surface to make stand itself difficult for producing and rock, thereby improved measuring result's accuracy, and the base station makes the installation of stand and fixed the destruction that has reduced the bottom surface to the foundation ditch.

Optionally, the embedded assembly comprises an embedded plate embedded in one end, far away from the ground, of the base station and a hook piece arranged on one end, close to the ground, of the embedded plate, the end, close to the base station, of the stand column is provided with a butt flange abutted against the embedded plate, and the butt flange is connected with the embedded plate through a locking assembly.

Through adopting above-mentioned technical scheme, the built-in panel is used for with the installation of stand with fixed, the crotch spare makes the stand be difficult for taking place the separation with the base station, pre-buried subassembly has strengthened the firm effect of stand on the base station.

Optionally, the locking assembly comprises a screw fixed at one end, far away from the ground, of the embedded plate and a locking nut in threaded connection with the screw, the screw is arranged on the abutting flange in a penetrating mode, and the locking nut is abutted to one end, far away from the embedded plate, of the abutting flange.

Through adopting above-mentioned technical scheme, when locking is fixed, lock nut and butt flange keep away from the one end looks butt of pre-buried board, can fix the butt flange on the pre-buried board, convenient and fast.

Optionally, a protection plate is arranged above the stand column and is abutted to the inlet end of the foundation pit, and the protection plate is connected with the stand column through a pin.

Through adopting above-mentioned technical scheme, the guard plate is used for sealing the entry end of foundation ditch to in making debris, the dust around the entry end of foundation ditch be difficult for dropping to the spout, thereby make the slip of butt joint pole more smooth and easy.

Optionally, the plug pin is matched with the upright column in an inserting manner, and the upright column is provided with a pin hole matched with the plug pin in the axial direction.

Through adopting above-mentioned technical scheme, the inserted pin can slide in the pinhole to realize the regulation of guard plate height, so that monitoring devices carries out deformation monitoring time measuring to the foundation ditch, and the guard plate can be placed in the entry end of not co-altitude foundation ditch.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the sliding strip is matched with the sliding groove, the dovetail head is matched with the dovetail-shaped groove opening, so that the abutting rod is not easy to separate from the fixed rod, the abutting rod is not easy to incline on the fixed rod due to self gravity, the guidance of the dovetail groove is good, the sliding of the abutting rod is smoother, and the monitoring result is more accurate;

2. through setting up the diagonal brace, strengthened the steadiness of dead lever on the stand to make to connect the pole to slide on the dead lever more steady.

Drawings

Fig. 1 is a schematic structural diagram of the whole foundation pit deformation monitoring device in the embodiment of the application;

FIG. 2 is a cross-sectional view of a foundation pit deformation monitoring device of an embodiment of the present application as it is secured to a foundation pit;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is an exploded view of a measuring rod in an embodiment of the present application.

Description of reference numerals: 1. a column; 11. abutting against the flange; 12. a pin hole; 2. a measuring rod; 21. fixing the rod; 211. a chute; 212. a dovetail slot; 22. a butting rod; 221. a slide bar; 222. a dovetail head; 223. abutting the head; 23. a diagonal brace; 3. a protection plate; 31. a plug pin; 32. a handle; 4. a base station; 5. pre-burying the assembly; 51. pre-burying a plate; 52. a hook member; 6. a locking assembly; 61. a screw; 62. and locking the nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses foundation ditch deformation monitoring devices. Referring to fig. 1, the foundation pit deformation monitoring device includes a column 1, a measuring rod 2 and a protection plate 3. Measuring stick 2 is used for measuring the displacement volume that the foundation ditch warp, and measuring stick 2 is located stand 1, and stand 1 is used as measuring stick 2's installation basis, and guard plate 3 is used as measuring stick 2's protection piece.

Referring to fig. 1 and 2, the upright post 1 may be a square rod or a round rod, and the square rod is taken as an example in this embodiment. It is made of metal material to ensure the structural strength and the supporting strength of the upright post 1. The one end that stand 1 is close to ground is equipped with base station 4, and base station 4 is the concrete stage body of pouring on the foundation ditch bottom surface, and base station 4 is the cuboid form. The upright post 1 is connected with the base 4 through a pre-buried assembly 5. The base station 4 is used for strengthening the steadiness of stand 1 in the foundation ditch bottom surface to make stand 1 itself be difficult for producing and rock, thereby improved the accuracy of measuring result, and base station 4 makes the installation of stand 1 and fixed the destruction that has reduced the bottom surface to the foundation ditch.

The embedded assembly 5 is fixed in a pouring template of the base platform 4 in advance when the base platform 4 is poured, and the embedded assembly 5 comprises an embedded plate 51 and a hook piece 52. The embedded plate 51 can be a steel plate, and the embedded plate 51 is embedded at one end of the base 4 far away from the ground; the hook piece 52 is formed by bending a steel bar, and one end of the hook piece 52, which is far away from the bending part, is welded and fixed at one end of the embedded plate 51, which is close to the ground. An abutting flange 11 abutting against the embedded plate 51 is arranged at one end of the upright post 1 close to the base 4, and the abutting flange 11 and the upright post 1 are of an integral structure. When the upright post 1 is fixed on the base 4, the abutting flange 11 abuts against the embedded plate 51, and the abutting flange 11 is connected with the embedded plate 51 through the locking assembly 6.

Referring to fig. 2 and 3, the locking assembly 6 includes a screw 61 and a locking nut 62. The screw 61 is welded and fixed at one end of the embedded plate 51 far away from the ground, and the screw 61 is arranged on the abutting flange 11 in a penetrating way; and a locking nut 62 is in threaded connection with one end of the screw 61 far away from the embedded plate 51. When the lock is fastened, the locking nut 62 is abutted to one end, away from the embedded plate 51, of the abutting flange 11, so that the abutting flange 11 can be fixed on the embedded plate 51, and the locking device is convenient and fast.

Referring to fig. 1 and 4, the measuring rod 2 includes a fixing rod 21 and an abutment rod 22, and both the fixing rod 21 and the abutment rod 22 may be metal square rods. The fixing rod 21 is welded and fixed on the side wall of the upright post 1, and the axial lead of the fixing rod 21 is vertical to the axial lead of the upright post 1; the fixing rods 21 are provided at equal intervals along the outer wall of the upright 1, and four are taken as an example in this embodiment. The abutting rod 22 is connected with the fixing rod 21 in a sliding manner. The one end that dead lever 21 kept away from ground is equipped with spout 211, and the one end that butt pole 22 is close to ground is equipped with the draw runner 221 with spout 211 looks adaptation, and draw runner 221 imbeds in spout 211 and forms spacingly to realize the slip of butt pole 22 on dead lever 21.

One end of the slide bar 221, which is far away from the abutting rod 22, is provided with a dovetail 222, the groove bottom of the slide groove 211 is provided with a dovetail notch 212 matched with the dovetail 222 along the direction far away from the slide groove 211, and the slide groove 211 is communicated with the dovetail notch 212. During the assembly, in the spout 211 of dead lever 21 was sent into to the draw runner 221 of butt pole 22 along the length direction of dead lever 21, make in dovetail 222 embedding dovetail notch 212 simultaneously, can make butt pole 22 be difficult for taking place the separation with dead lever 21, butt pole 22 also is difficult for taking place the slope because of self gravity reason on dead lever 21 to the guidance quality of dovetail is good, and the slip of butt pole 22 is more smooth and easy, therefore the monitoring result is more accurate.

The fixed rod 21 is provided with scale marks, and one end of the abutting rod 22 close to the upright post 1 is provided with a reference line. During monitoring, fix dead lever 21 on the lateral wall of stand 1 earlier, and make butt pole 22 and dead lever 21 slide and be connected, then fix stand 1 in the bottom surface of foundation ditch, make butt pole 22 slide on dead lever 21 again, make butt pole 22 keep away from the one end of stand 1 and the lateral wall looks butt of foundation ditch, note the position that the reference line of each butt pole 22 aligns with the scale mark of corresponding dead lever 21, then can obtain the displacement volume that the foundation ditch warp through the change of observing the reference line position in real time.

Inclined supporting rods 23 are arranged between the side walls of the upright posts 1 and the fixing rods 21. The inclined strut 23 can also be made of a metal square rod, and two ends of the inclined strut 23 are respectively welded and fixed with the upright 1 and the fixed rod 21. The diagonal braces 23 are used to enhance the stability of the fixing bars 21 on the uprights 1, so that the sliding of the abutment bars 22 on the fixing bars 21 is more smooth.

The end of the abutting rod 22 away from the upright 1 is provided with a spherical abutting head 223. The abutment head 223 is a metal ball made of the same material as the abutment rod 22, and the abutment head 223 and the abutment rod 22 are welded and fixed to each other. Spherical butt head 223 makes the contact effect between butt-joint pole 22 and the foundation ditch lateral wall better, and when the foundation ditch warp, the lateral wall of foundation ditch forms pushing action to butt-joint pole 22 more easily.

Referring to fig. 1 and 2, the protection plate 3 is disposed above the column 1, the protection plate 3 may be made of a steel plate, the shape of the protection plate 3 is adapted to the shape of the foundation pit, and the circular protection plate 3 is taken as an example in this embodiment. Guard plate 3 and the entry end looks butt of foundation ditch, guard plate 3 are used for sealing the entry end of foundation ditch to in the difficult spout 211 that drops of debris, dust around the entry end of foundation ditch, thereby make the more smooth and easy that links 22 slides. The protection plate 3 is connected to the upright 1 by means of a plug pin 31.

The inserted pin 31 is in inserting connection with the stand column 1, the stand column 1 is provided with a pin hole 12 matched with the inserted pin 31 along the axial direction, the inserted pin 31 can slide in the pin hole 12, so that the height of the protection plate 3 can be adjusted, and the protection plate 3 can be placed at the inlet end of the foundation pit with different heights when the monitoring device carries out deformation monitoring on the foundation pit. In order to lift the protection plate 3, a handle 32 is welded and fixed on the protection plate 3.

The implementation principle of the foundation pit deformation monitoring device in the embodiment of the application is as follows: when fixing, the base platform 4 is poured at the bottom end of the foundation pit, and when pouring the base platform 4, the embedded component 5 is fixed in a pouring template of the base platform 4 in advance. Then, the abutment flange 11 of the column 1 is abutted against the embedment plate 51, the screw 61 is passed through the abutment flange 11, and the lock nut 62 is inserted into the screw 61, and the lock nut 62 is abutted against the abutment flange 11, thereby fixing the column 1 to the base 4. The fixing rod 21 is further provided with scale marks, the abutment rod 22 is provided with a reference line, the fixing rod 21 is welded to the side wall of the column 1, the abutment rod 22 is slidably connected to the fixing rod 21, and the abutment head 223 is welded to the end of the abutment rod 22 remote from the column 1. Then, the abutting rods 22 are slid on the fixed rods 21, the abutting heads 223 of the abutting rods 22 are abutted against the side walls of the foundation pit, the positions of the datum lines of the abutting rods 22, which are aligned with the corresponding scale marks of the fixed rods 21, are recorded, and then the displacement of the foundation pit deformation can be obtained by observing the position change of the datum lines in real time.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a foundation ditch deformation monitoring devices, includes stand (1) and establishes measuring stick (2) on stand (1) lateral wall, its characterized in that: measuring stick (2) including fixing dead lever (21) on stand (1) lateral wall and with dead lever (21) the butt pole (22) of being connected that slides, the one end that ground was kept away from in dead lever (21) is equipped with spout (211), butt pole (22) are close to one end on ground and are equipped with draw runner (221) with spout (211) looks adaptation, the one end that butt pole (22) were kept away from in draw runner (221) is equipped with dovetail (222), the tank bottom of spout (211) is equipped with dovetail notch (212) with dovetail (222) looks adaptation along the direction of keeping away from spout (211), be equipped with the scale mark on dead lever (21), the one end that butt pole (22) is close to stand (1) is equipped with the datum line.

2. A foundation pit deformation monitoring device according to claim 1, characterized in that: an inclined stay bar (23) is arranged between the side wall of the upright post (1) and the fixed rod (21).

3. A foundation pit deformation monitoring device according to claim 1, characterized in that: one end of the abutting rod (22) far away from the upright post (1) is provided with a spherical abutting joint part (223).

4. A foundation pit deformation monitoring device according to claim 1, characterized in that: the stand (1) is close to the one end on ground and is equipped with base station (4), link to each other through pre-buried subassembly (5) between stand (1) and the base station (4).

5. A foundation pit deformation monitoring device according to claim 4, characterized in that: the embedded component (5) comprises an embedded plate (51) embedded in the base station (4) and far away from one end of the ground and a hook piece (52) arranged on the embedded plate (51) and near one end of the ground, wherein the end, close to the base station (4), of the upright column (1) is provided with a butt flange (11) which is connected with the embedded plate (51) in a butt mode, and the butt flange (11) is connected with the embedded plate (51) through a locking component (6).

6. A foundation pit deformation monitoring device according to claim 5, characterized in that: the locking assembly (6) comprises a screw rod (61) fixed at one end, far away from the ground, of the embedded plate (51) and a locking nut (62) in threaded connection with the screw rod (61), the screw rod (61) is arranged on the abutting flange (11) in a penetrating mode, and the locking nut (62) is abutted to one end, far away from the embedded plate (51), of the abutting flange (11).

7. A foundation pit deformation monitoring device according to claim 1, characterized in that: the top of stand (1) is equipped with guard plate (3), guard plate (3) and the entry end looks butt of foundation ditch, and guard plate (3) link to each other with stand (1) through plug pin (31).

8. A foundation pit deformation monitoring device according to claim 7, characterized in that: the inserted pin (31) is matched with the upright column (1) in an inserted manner, and the upright column (1) is provided with a pin hole (12) matched with the inserted pin (31) along the axial direction.