CN214460696U

CN214460696U - Foundation ditch bank protection horizontal displacement monitoring devices

Info

Publication number: CN214460696U
Application number: CN202023016395.4U
Authority: CN
Inventors: 王霜霜
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: 2021-10-22
Anticipated expiration: 2030-12-14

Abstract

The utility model relates to a foundation ditch bank protection horizontal displacement monitoring devices, it includes the erection column, the extension rod, the pointer, mounting bracket and measuring disc, the erection column is buried underground in the bank protection, the roof of extension rod rigid coupling at the erection column, the vertical slope that upwards stretches out in top of extension rod, the one end of erection column is kept away from at the extension rod to the pointer setting, the mounting bracket rigid coupling is at the bank protection top, the measuring disc level sets up on the mounting bracket, be provided with plane rectangular coordinate system scale on the measuring disc, the original point of plane rectangular coordinate system scale on the directional measuring disc of one end of extension rod is kept away from to the pointer. When the bank protection takes place to warp, the relative bank protection top of erection column place bank protection aspect appears sliding, thereby the erection column makes the pointer at extension rod top appear sliding for initial position, and the staff can be through observing the coordinate change of pointer on the measuring disc, calculates the deformation volume of bank protection, can monitor the displacement amount of bank protection on the plane, and this application has the monitoring comprehensively, and data reads convenient advantage.

Description

Foundation ditch bank protection horizontal displacement monitoring devices

Technical Field

The application relates to the field of building construction monitoring devices, in particular to a foundation pit slope protection horizontal displacement monitoring device.

Background

In order to enlarge foundation construction in building construction, a foundation pit is dug on the ground, the side wall of the foundation pit is supported by using a slope protection pile, and soil on the side wall of the foundation pit is blocked. Along with the excavation of the soil body in the foundation pit, the soil body on the side wall of the foundation pit tends to move towards the inside of the foundation pit, and the slope protection pile bears the increase of the side pressure of the side wall of the foundation pit. The horizontal deformation of the soil body needs to be monitored in real time so as to judge the safety and stability of the supporting structure and reduce potential safety hazards.

The patent with the publication number of grant being CN210194708U discloses a foundation pit bank protection horizontal displacement monitoring devices, has seted up the through-hole on protecting the slope stake, has set firmly the steel ruler on the through-hole, and the through-hole interpolation is equipped with the bracing piece, is provided with the pointer on the bracing piece, is provided with the motion subassembly that supplies the pointer to reciprocate on the bracing piece between pointer and the bracing piece, and the pointer is taken and is established on the steel ruler.

With respect to the related art among the above, there are the following drawbacks: can only monitor the slope protection unidirectional deformation quantity, it is not comprehensive to the slope protection monitoring data.

SUMMERY OF THE UTILITY MODEL

In order to improve the comprehensiveness to bank protection deformation monitoring data, this application provides a foundation ditch bank protection horizontal displacement monitoring devices.

The application provides a pair of foundation ditch bank protection horizontal displacement monitoring devices adopts following technical scheme:

the utility model provides a foundation ditch bank protection horizontal displacement monitoring devices, includes erection column, extension rod, pointer, mounting bracket and measuring panel, the erection column is buried underground in the bank protection, the top of erection column upwards hollows out the bank protection along vertical direction, the extension rod rigid coupling is at the roof of erection column, the vertical slope that upwards stretches out in top of extension rod, the one end of erection column is kept away from at the extension rod to the pointer setting, the mounting bracket rigid coupling is at the bank protection top, the measuring panel level sets up on the mounting bracket, be provided with plane rectangular coordinate system scale on the measuring panel, the original point of plane rectangular coordinate system scale is gone up to the directional measuring panel of one end that the extension rod was kept away from to the pointer.

Through adopting above-mentioned technical scheme, at the perpendicular downthehole drilling down in top of bank protection earlier, again to downthehole concrete that pours into as the erection column, treat before the erection column shaping, insert the extension rod and make extension rod and erection column link into an integrated entity in the erection column, when the bank protection takes place to warp, the relative bank protection top of erection column place bank protection aspect appears sliding, thereby the erection column makes the pointer at extension rod top appear sliding for initial position, the staff is through observing the coordinate change on the plane rectangular coordinate system scale of pointer on the measuring disc, can calculate the deformation volume of bank protection, can monitor the displacement volume of bank protection on the plane, the monitoring is comprehensive, data reading is convenient.

Optionally, the top of extension rod has the movable rod along self length direction slidable mounting, the pointer rigid coupling is on the top of movable rod, be provided with on the extension rod owing to order about the movable rod and keep away from the elastic component of erection column.

Through adopting above-mentioned technical scheme, when the extension rod drives the pointer and rocks in the measuring disk below, under the impetus of elastic component, pointer machine movable rod removes to the measuring disk, makes the pointer keep with measuring disk diapire contact state to make the staff when the reading to the pointer position, the reading is accurate, improves the monitoring accuracy.

Optionally, a ball is disposed at an end of the pointer away from the movable rod, and the ball is in rolling contact with the bottom wall of the measuring disc.

Through adopting above-mentioned technical scheme, when the pointer slided in measurement dish below, ball on the pointer rolled on the measurement dish diapire, effectively reduced frictional force between pointer and the measurement dish, played the guard action to the diapire smooth finish and the pointer of measurement dish.

Optionally, the rigid coupling has a water retaining section of thick bamboo on the mounting bracket, the cross-section of a water retaining section of thick bamboo is closed shape, and the top of a water retaining section of thick bamboo exceeds in the bank protection roof, the bottom inserts the bank protection.

Through adopting above-mentioned technical scheme, when the installation mounting bracket, with a manger plate section of thick bamboo insertion portion to the subaerial of bank protection roof on the mounting bracket to surface water and impurity etc. at effective mode bank protection top fall into ground drilling and in order to exert an influence with the skew precision to erection column and extension rod, improved the monitoring data precision.

Optionally, one side edge of the measuring disc is hinged to the mounting frame, and a fixing member for limiting the rotation of the measuring disc is arranged on the mounting frame.

Through adopting above-mentioned technical scheme, before the extension rod is put into in the staff to the drilling, it is fixed with the mounting bracket installation at present, again with the measuring disc on the mounting bracket turn-up, put into the mounting bracket with the extension rod, to inserting half fashioned erection column, can prevent effectively that at the installation mounting bracket in-process, make earth collapse influence extension rod in the drilling around the drilling, improve the monitoring data precision.

Optionally, the fixing member is a buckle, a movable portion of the buckle is fixedly connected to the movable end of the measuring disc, and a fixed portion of the buckle is fixedly connected to a side wall of the hinge shaft of the mounting frame far away from the measuring disc.

Through adopting above-mentioned technical scheme, after the extension rod inserts in the erection column, rotate the measuring disk to the level to it is fixed with the mounting bracket to use the buckle with the measuring disk, can improve measuring disk stability on the mounting bracket, and the measuring disk is fixed convenient.

Optionally, the sliding rod is arranged on the mounting bracket in a sliding mode along the horizontal direction, the projection extension line of the axis of the sliding rod on the horizontal measuring disc penetrates through the original point of the plane rectangular coordinate system scale, one end of the sliding rod located in the mounting bracket is fixedly connected with a clamping plate, the sliding rod and the clamping plate are arranged at least two groups along the circumferential uniform interval of the mounting bracket, and a limiting part used for limiting the sliding rod in a sliding mode is arranged on the mounting bracket.

Through adopting above-mentioned technical scheme, before the extension rod was put from top to bottom to the staff from the mounting bracket, earlier be close to with the slide bar synchronous slip on the mounting bracket, make the splint on each slide bar enclose to close the size that is the extension rod adaptation, insert the extension rod again from between each splint, make the extension rod in the fixed in-process of erection column in-connection, the extension rod keeps the position placed in the middle in the mounting bracket, further improves the monitoring data accuracy.

Optionally, the locating part is limit nut, the rigid coupling has the screw rod parallel with the slide bar on the splint, the screw rod is located the homonymy of splint with the slide bar, the perforation has been seted up on the mounting bracket, the screw rod is worn to establish in the perforation, limit nut rotates and sets up on splint, limit nut and screw rod threaded connection.

Through adopting above-mentioned technical scheme, when the staff slided slide bar and splint, rotated the stop nut on the mounting bracket, through the screw drive between stop nut and the screw rod, driven splint and slide bar slide on the mounting bracket, the operation is stable.

Optionally, the extension rod comprises a fixing rod and a connecting rod, the fixing rod is fixedly arranged on the mounting column, the pointer is arranged on the connecting rod, and the fixing rod and the connecting rod are detachably connected.

Through adopting above-mentioned technical scheme, after the monitoring of bank protection deflection, the staff can follow subaerially pull down the mounting bracket, remove, pull down the connecting rod from the dead lever again, backfill earth etc. and bury erection column and dead lever in the drilling at last, can keep bank protection surfacing, post processing work is convenient.

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

1. when the slope protection is deformed, the slope protection layer surface where the mounting columns are located slides relative to the top of the slope protection, the mounting columns enable the pointers at the tops of the extension rods to slide relative to the initial position, workers can calculate deformation of the slope protection by observing coordinate changes of the pointers on the measuring disc, the displacement of the slope protection on the plane can be monitored, the monitoring is comprehensive, and data reading is convenient;

2. when the mounting frame is mounted, the water retaining cylinder on the mounting frame is inserted into the ground of the top wall of the slope protection, so that surface water, impurities and the like at the top of the slope protection fall into the ground drill hole in an effective mode to influence the offset accuracy of the mounting column and the extension rod, and the monitoring data accuracy is improved;

3. after the slope protection deflection monitoring is finished, the staff can follow subaerially pull down the mounting bracket, remove, pull down the connecting rod from the dead lever again, backfill earth etc. to the drilling at last and bury erection column and dead lever, can keep slope protection surfacing, post processing work is convenient.

Drawings

Fig. 1 is a schematic overall structure diagram of a monitoring device according to an embodiment of the present application.

Fig. 2 is a partial sectional structural schematic diagram of a side slope according to an embodiment of the application.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a partial sectional structural schematic view of a movable rod of a monitoring device according to an embodiment of the present application.

Description of reference numerals: 1. mounting a column; 11. slope protection; 12. drilling; 2. an extension pole; 21. a movable rod; 22. an elastic member; 201. fixing the rod; 202. a connecting rod; 3. a pointer; 31. a ball bearing; 4. a mounting frame; 41. a water retaining cylinder; 5. a measuring disc; 51. the scale of a plane rectangular coordinate system; 52. buckling; 6. a slide bar; 61. a splint; 62. a limit nut; 63. a screw; 64. and (6) perforating.

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 bank protection horizontal displacement monitoring devices. Referring to fig. 1 and 2, the monitoring device includes a mounting post 1 buried in a slope protection 11, an extension rod 2 connected to a top wall of the mounting post 1 and extending upward to a top of the slope protection 11, a pointer 3 installed at a top of the extension rod 2, and a mounting rack 4 installed at a top of the slope protection 11 and having a measuring disc 5. On the top surface of bank protection 11, through 12 machine vertical drilling 12 downwards of drilling, the drilling 12 degree of depth is equal to 11 height of bank protection, and the concreting is erection column 1 in drilling 12, pours the degree of depth one fifth that highly is not less than the drilling 12 height, ensures that 1 shaping back of erection column and 11 lower floor of bank protection deflect, slide in step.

Referring to fig. 2, the extension pole 2 includes a fixing pole 201 and a connecting pole 202, and the fixing pole 201 and the connecting pole 202 are detachably connected by a screw. Before the concrete of the mounting column 1 is initially set, the fixing rod 201 and the connecting rod 202 are connected into a whole through threads, then the extension rod 2 is inserted into the drilled hole 12, the fixing rod 201 is inserted into the mounting column 1, and the connecting rod 202 is located outside the mounting column 1, so that the fixing rod 201 and the mounting column 1 are fixed into a whole. After waiting or deformation monitoring work is finished, can be from the dead lever 201 back-off screw thread dismantlement with connecting rod 202, backfill earth in drilling 12 again, fill up the bank protection 11 completely to connecting rod 202 and connecting rod 202 top structure reuse, resources are saved.

Referring to fig. 2 and 4, the pointer 3 is connected to the tip of the connecting rod 202 via the movable rod 21. The bottom of the movable rod 21 is provided with an inserting groove matched with the size of the sliding rod 6, and the movable rod 21 is sleeved on the top end of the connecting rod 202 in a sliding manner. The top of the connecting rod 202 is provided with an elastic member 22 for driving the movable rod 21 to slide upwards, in this embodiment, the elastic member 22 is a spring, and one end of the spring is fixedly connected with the top wall of the connecting rod 202, and the other end of the spring abuts against the inner bottom wall of the insertion groove. The pointer 3 is fixed on the top of the movable rod 21, and the needle point is vertically upward.

Referring to fig. 2 and 4, the tip of the pointer 3 is further provided with a ball 31 in a rolling manner, and when the spring pushes the movable rod 21 to abut against the bottom wall of the measurement disc 5, the ball 31 rolls on the bottom wall of the measurement disc 5, so that the friction between the pointer 3 and the measurement disc 5 during sliding on the measurement disc 5 is reduced, and the bottom wall of the measurement disc 5 is kept smooth and flat.

Referring to fig. 2 and 3, the mounting frame 4 is fixedly connected with the anchoring member in the revetment 11 and is located right above the drill hole 12. The mounting bracket 4 should be mounted in place between the extension rods 2 to prevent soil surrounding the bore hole 12 from collapsing into the bore hole 12 during installation of the mounting bracket 4 and affecting the accuracy of the mounting of the extension rods 2. And in order to carry out location between two parties to extension rod 2 position on the mounting bracket 4, still along the radial horizontal slidable mounting of drilling 12 on the lateral wall of mounting bracket 4 there is slide bar 6, and slide bar 6 is close to the one end welded fastening in the middle part of mounting bracket 4 has splint 61, and slide bar 6 and splint 61 are provided with at least two sets ofly along drilling 12 circumference even interval on mounting bracket 4. In the present embodiment, two sets of the slide rods 6 and the clamping plates 61 are symmetrically arranged on the mounting frame 4. Two splint 61 are close to each other, can fix a position extension rod 2 position, make extension rod 2 insert in erection column 1 to erection column 1 before solidifying, all keep the state of centering.

Referring to fig. 2 and 3, in order to limit the sliding rod 6 from moving on the mounting block 4, a limiting member for limiting the sliding rod 6 from sliding is disposed on the mounting block 4, and in this embodiment, the limiting member is a limiting nut 62. A screw 63 parallel to the sliding rod 6 is fixed on the plate surface of the clamping plate 61 with the sliding rod 6 by welding, and a through hole 64 corresponding to the screw 63 and allowing the screw 63 to pass through is formed on the mounting frame 4. The limit nut 62 is rotatably connected to the mounting frame 4, the limit nut 62 is coaxial with the through hole 64, and the limit nut is in threaded connection with the screw 63.

Referring to fig. 2 and 3, in order to prevent that rainwater, construction water, garbage, broken stones and the like enter the drill hole 12 in the installation process of the installation frame 4 and the deformation monitoring process of the slope protection 11, the accuracy of monitoring data is affected, and a water blocking cylinder 41 is welded on the installation frame 4. The cross section of the water blocking cylinder 41 is a closed shape, and in this embodiment, the water blocking cylinder 41 is a cylindrical shape. A water blocking section of thick bamboo 41 is coaxial with drilling 12, and the middle part welded fastening of a water blocking section of thick bamboo 41 is on the stabilizer blade of mounting bracket 4, and in the lower half of a water blocking section of thick bamboo 41 inserted earth, the first portion exceeds 11 tops of bank protection to play the effect of blockking to rubbish rainwater etc. around drilling 12.

Referring to fig. 2 and 3, the measuring pan 5 is disposed on the top wall of the mounting frame 4, and one side edge of the measuring pan 5 is hinged to the mounting frame 4 with a horizontal hinge axis.

Referring to fig. 1 and 2, the measuring disc 5 is made of a transparent material, and in this embodiment, the measuring disc 5 is made of a transparent plastic plate. The top wall of the measuring disc 5 is provided with a plane rectangular coordinate system scale 51, and the plane rectangular coordinate system scale 51 can be manufactured on the measuring disc 5 by etching or printing. When the mounting frame 4 is fixed, the origin scale of the rectangular plane coordinate system scale 51 is aligned with the center of the borehole 12.

Referring to fig. 2 and 3, the mounting bracket 4 is further provided with a fixing member for fixing the measuring pan 5 in a horizontal state. In this embodiment, the fixing element is a buckle 52, a movable portion of the buckle 52 is riveted to a movable end of the measuring disc 5, and a fixed portion of the buckle 52 is riveted to a side wall of the mounting frame 4.

The implementation principle of the foundation pit slope protection horizontal displacement monitoring device in the embodiment of the application is as follows: the top of the slope protection 11 is drilled with a hole 12 vertically downwards, then concrete is poured into the hole to be used as the mounting column 1, and before the mounting column 1 is formed, the extension rod 2 is inserted into the mounting column 1 to enable the extension rod 2 and the mounting column 1 to be connected into a whole.

When slope protection 11 takes place to warp, 11 tops of relative slope protection of 11 aspect of bank protection at erection column 1 appear sliding, thereby erection column 1 makes pointer 3 at 2 tops of extension rod appear sliding for initial position, and the staff can calculate the deformation volume of slope protection 11 through observing the coordinate change on pointer 3 plane rectangular coordinate system scale 51 on measuring disc 5, can monitor the displacement volume of slope protection 11 on the plane, and the monitoring is comprehensive, and data reading is convenient.

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 bank protection horizontal displacement monitoring devices which characterized in that: comprises a mounting column (1), an extension rod (2), a pointer (3), a mounting rack (4) and a measuring disc (5), the mounting columns (1) are buried in the revetment (11), the tops of the mounting columns (1) upwards hollows the revetment (11) along the vertical direction, the extension rod (2) is fixedly connected with the top wall of the mounting column (1), the top end of the extension rod (2) vertically extends upwards to form a protection slope (11), the pointer (3) is arranged at one end of the extension rod (2) far away from the mounting column (1), the mounting rack (4) is fixedly connected with the top of the revetment (11), the measuring disc (5) is horizontally arranged on the mounting rack (4), the measuring disc (5) is provided with a plane rectangular coordinate system scale (51), and one end of the pointer (3) far away from the extension rod (2) points to the origin of the scale (51) of the rectangular plane coordinate system on the measuring disc (5).

2. The foundation pit slope protection horizontal displacement monitoring device of claim 1, characterized in that: the top of extension rod (2) has movable rod (21) along self length direction slidable mounting, pointer (3) rigid coupling is on the top of movable rod (21), be provided with on extension rod (2) owing to order about movable rod (21) keep away from elastic component (22) of erection column (1).

3. The foundation pit slope protection horizontal displacement monitoring device of claim 2, characterized in that: and a ball (31) is arranged at one end of the pointer (3) far away from the movable rod (21), and the ball (31) is in rolling contact with the bottom wall of the measuring disc (5).

4. The foundation pit slope protection horizontal displacement monitoring device of claim 1, characterized in that: the rigid coupling has a water retaining cylinder (41) on mounting bracket (4), the cross-section of a water retaining cylinder (41) is closed shape, and the top of a water retaining cylinder (41) exceeds in bank protection (11) roof, the bottom inserts in bank protection (11).

5. The foundation pit slope protection horizontal displacement monitoring device of claim 1, characterized in that: one side edge of the measuring disc (5) is hinged to the mounting frame (4), and a fixing piece used for limiting the rotation of the measuring disc (5) is arranged on the mounting frame (4).

6. The foundation pit slope protection horizontal displacement monitoring device of claim 5, characterized in that: the fixing piece is a buckle (52), the movable part of the buckle (52) is fixedly connected to the movable end of the measuring disc (5), and the fixed part of the buckle is fixedly connected to the side wall of the installation frame (4) far away from the hinge shaft of the measuring disc (5).

7. The foundation pit slope protection horizontal displacement monitoring device of claim 5, characterized in that: the utility model discloses a slide bar, including mounting bracket (4), horizontal direction is gone up and is provided with slide bar (6) along the horizontal direction slip, the original point of plane rectangular coordinate system scale (51) is passed to the projection extension line of the axis of slide bar (6) on horizontal measuring dish (5), the one end rigid coupling that slide bar (6) are located mounting bracket (4) has splint (61), and slide bar (6) and splint (61) are provided with at least two sets ofly along mounting bracket (4) circumference even interval, be provided with on mounting bracket (4) and be used for restricting the gliding locating part of slide bar (6).

8. The foundation pit slope protection horizontal displacement monitoring device of claim 7, characterized in that: the locating part is limit nut (62), the rigid coupling has screw rod (63) parallel with slide bar (6) on splint (61), screw rod (63) are located the homonymy of splint (61) with slide bar (6), perforation (64) have been seted up on mounting bracket (4), screw rod (63) are worn to establish in perforation (64), limit nut (62) rotate and set up on splint (61), limit nut (62) and screw rod (63) threaded connection.

9. The foundation pit slope protection horizontal displacement monitoring device of claim 1, characterized in that: the extension rod (2) comprises a fixing rod (201) and a connecting rod (202), the fixing rod (201) is fixedly arranged on the mounting column (1), the pointer (3) is arranged on the connecting rod (202), and the fixing rod (201) and the connecting rod (202) are detachably connected.