CN211902257U

CN211902257U - Foundation pit deformation monitoring device

Info

Publication number: CN211902257U
Application number: CN202020562734.XU
Authority: CN
Inventors: 崔召华; 马常财; 刘烨华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-11-10
Anticipated expiration: 2030-04-16

Abstract

The utility model discloses a foundation pit deformation monitoring device, which comprises a bottom plate, wherein universal wheels are installed at the bottom of the bottom plate, an annular chute is arranged on the outer ring of the bottom surface of the bottom plate, an annular slider is slidably clamped in the annular chute, a plurality of uniformly distributed balls are movably clamped at the top of the annular slider through a circular groove, and a plurality of uniformly distributed hydraulic lifting support legs are fixedly installed at the bottom of the annular slider; a hydraulic lifting support is fixedly arranged in the middle of the top surface of the bottom plate, a lifting plate is fixedly arranged at the top of the hydraulic lifting support, and a limiting rod is arranged and connected between the bottom plate and the lifting plate; a plurality of fixed supports are obliquely arranged at the top of the lifting plate, a total station tray is fixedly arranged at the top of each fixed support, and a total station for monitoring is fixedly clamped in the total station tray; the utility model discloses can go up and down, rotate and remove the regulation to the total powerstation, and adjust convenient and fast, the total powerstation's of being convenient for use, the total powerstation installation is firm simultaneously, can improve the monitoring precision.

Description

Foundation pit deformation monitoring device

Technical Field

The utility model relates to a foundation ditch monitoring facilities technical field especially relates to a foundation ditch deformation monitoring devices.

Background

The foundation pit deformation monitoring refers to the comprehensive monitoring of the displacement, inclination, settlement, stress, cracking, basement rising, soil layer pore water pressure, dynamic changes of underground water level and the like of a supporting structure and surrounding environments, such as rock masses, buildings, roads, underground facilities and the like by using precise instruments and equipment in the excavation process of the foundation pit. When current total powerstation carries out foundation ditch monitoring, need earlier support the total powerstation in ground through special support, again because the foundation ditch monitoring ground is mostly the region of not accomplishing the construction, so its ground is more uneven, be not convenient for utilize the support frame to support the total powerstation, and the total powerstation easily takes place the slope in the measurement process, be difficult for guaranteeing it to keep balance all the time, and when needs change the monitoring point, be not convenient for remove the transport to the total powerstation that has supported, easily cause the damage to the instrument at the removal in-process, be unfavorable for prolonging its life, and consuming time and power.

The utility model discloses a good utility model patent for CN201820668060.4 of patent discloses a foundation ditch deformation monitoring devices, can be swiftly convenient go up and down, rotatory and removal regulation to the total powerstation, makes things convenient for the monitoring of total powerstation to use, but its still has following defect: firstly, the angles of the bracket and the total station are rotationally adjusted by utilizing the relative sliding between the first sliding chute 5 and the fixed sliding block 6, the contact surface between the sliding block and the sliding chute piece is large, so that the sliding friction force is large, and if the whole weight of the bracket is large, the rotational adjustment is difficult to carry out; secondly, the fixed base 1 and the supporting base 11 are in supporting connection only through the telescopic rod 10, so that the supporting base 11 is not stable enough to be installed, and is easy to incline and shake, and the detection precision of the total station is influenced; thirdly, be provided with telescopic link 10 and support telescopic link 12 simultaneously, its lift adjustment function is repeated, provides equipment cost, and the practicality is not strong, and supports telescopic link 12 and install a plurality ofly, needs a plurality ofly to support telescopic link 12 and stretches out and draws back in step when adjusting, if its deviation appears in the operation, leads to equipment to damage easily.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a foundation ditch deformation monitoring devices can go up and down, rotatory and removal regulation to the total powerstation, and adjusts convenient and fast, and the total powerstation's of being convenient for use, and the total powerstation installation is firm simultaneously, can improve the monitoring precision.

In order to solve the technical problem, the utility model provides a following technical scheme:

a foundation pit deformation monitoring device comprises a bottom plate, wherein universal wheels are installed at the bottom of the bottom plate, an annular sliding groove is formed in the outer ring of the bottom surface of the bottom plate, an annular sliding block is clamped in the annular sliding groove in a sliding mode, a plurality of uniformly distributed balls are movably clamped at the top of the annular sliding block through a circular groove, and a plurality of uniformly distributed hydraulic lifting support legs are fixedly installed at the bottom of the annular sliding block; the middle part of the top surface of the bottom plate is fixedly provided with a hydraulic lifting support column, the top part of the hydraulic lifting support column is fixedly provided with a lifting plate, the top surface of the bottom plate is provided with a plurality of lower limiting rods which are uniformly distributed around the hydraulic lifting support column, the bottom surface of the lifting plate is provided with a plurality of upper limiting rods corresponding to the lower limiting rods, and the upper limiting rods and the lower limiting rods are correspondingly sleeved through a limiting sliding sleeve in a sliding manner; a plurality of fixed bolsters are installed in the top slope of lifter plate, the top fixed mounting of fixed bolster has the total powerstation tray, the total powerstation is equipped with the total powerstation for the monitoring in the total powerstation tray internal fixation card.

As an optimal technical scheme of the utility model, the bottom fixed mounting of hydraulic pressure lift landing leg has shock pad.

As an optimized technical scheme of the utility model, the top fixed mounting of lower limiting rod has spacing roof.

As an optimized technical scheme of the utility model, rotatory push rod is installed to the outer lane of lifter plate.

As a preferred technical scheme of the utility model, the top surface of total powerstation tray is provided with the recess that is used for placing the total powerstation, fixed mounting has a plurality of clamping spring with even distribution on the inner wall of recess, clamping spring's terminal fixed mounting has splint.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

the utility model discloses install slidable annular slider through the spout in the bottom plate, can rotate the angle of adjusting support and total powerstation through the relative slip between spout and the slider two, the ball is installed at the top of slider simultaneously, can reduce the frictional force between slider and spout, makes the rotation regulation convenient more laborsaving; the universal wheels and the hydraulic lifting support legs are mounted at the bottom of the bottom plate, the positions of the support and the total station are convenient to move and adjust through the universal wheels, the support is convenient to support and fix through the hydraulic lifting support legs, and the support is convenient to fixedly mount in the rugged foundation pit through telescopic adjustment of the hydraulic lifting support legs; install the gag lever post between bottom plate and the lifter plate, can carry out spacing fixed to the lifter plate, make the lifter plate and the total powerstation installation on it more firm, improve the monitoring precision of total powerstation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a cross-sectional view of the bottom plate of the present invention;

fig. 3 is a top view of the annular slider of the present invention;

fig. 4 is a top view of the total station tray of the present invention;

wherein: 1. a base plate; 2. a universal wheel; 3. a hydraulic lifting support leg; 4. a shock-absorbing foot pad; 5. a hydraulic lifting strut; 6. a lifting plate; 7. an upper limiting rod; 8. a lower limit lever; 9. a limiting sliding sleeve; 10. a limiting top plate; 11. rotating the push rod; 12. fixing a bracket; 13. a total station tray; 14. an annular chute; 15. an annular slider; 16. a ball bearing; 17. a groove; 18. a clamping spring; 19. and (4) clamping the plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to fig. 1-4, a foundation pit deformation monitoring device comprises a bottom plate 1, wherein a universal wheel 2 is mounted at the bottom of the bottom plate 1, an annular chute 14 is arranged on an outer ring of the bottom surface of the bottom plate 1, an annular slide block 15 is slidably clamped in the annular chute 14, a plurality of uniformly distributed balls 16 are movably clamped at the top of the annular slide block 15 through a circular groove, and a plurality of uniformly distributed hydraulic lifting support legs 3 are fixedly mounted at the bottom of the annular slide block 15; a hydraulic lifting support column 5 is fixedly installed in the middle of the top surface of the bottom plate 1, a lifting plate 6 is fixedly installed at the top of the hydraulic lifting support column 5, a plurality of lower limiting rods 8 which are uniformly distributed are installed on the top surface of the bottom plate 1 around the hydraulic lifting support column 5, a plurality of upper limiting rods 7 corresponding to the lower limiting rods 8 are installed on the bottom surface of the lifting plate 6, and the corresponding upper limiting rods 7 and the lower limiting rods 8 are in sliding sleeve joint through limiting sliding sleeves 9; a plurality of fixed supports 12 are obliquely arranged at the top of the lifting plate 6, a total station tray 13 is fixedly arranged at the top of each fixed support 12, and a total station for monitoring is fixedly clamped in each total station tray 13.

The bottom fixed mounting of hydraulic pressure lift landing leg 3 has shock attenuation callus on the sole 4, can play the absorbing effect of buffering when 3 extension of hydraulic pressure lift landing legs support.

The top fixed mounting of lower limiting rod 8 has spacing roof 10, can carry on spacingly to spacing sliding sleeve 9, prevents that spacing sliding sleeve 9 from breaking away from lower limiting rod 8.

The outer ring of the lifting plate 6 is provided with a rotary push rod 11, so that the lifting plate 6 and the bottom plate 1 can be conveniently pushed to rotate through the rotary push rod 11.

The top surface of total station tray 13 is provided with the recess 17 that is used for placing the total station, and fixed mounting has a plurality of clamping spring 18 with even distribution on the inner wall of recess 17, and clamping spring 18's terminal fixed mounting has splint 19, and accessible clamping spring 18 presss from both sides the tight fixed with the total station with splint 19.

Specifically, during the use, after selecting suitable total powerstation monitoring point, move the device to the monitoring point through universal wheel 2, then place the total powerstation in the recess at total powerstation tray 13 top, and press from both sides it tightly through splint 19, later adjust the equilibrium of bottom plate 1 through the flexible of hydraulic lifting landing leg 3, for example, when ground is unsmooth, usable each hydraulic lifting landing leg 3 flexible suitable length, thereby adjust the height of bottom plate 1 from top to bottom, make bottom plate 1 keep balance, adjust the height of lifter plate 6 and total powerstation through the flexible of hydraulic lifting post 5, make the total powerstation be located suitable monitoring height, at last the relative slip comes the angle direction of rotation regulation bottom plate 1 and total powerstation through annular spout 14 and annular slider 15 between the two, aim at the monitoring point with the total powerstation can.

The embodiments of the present invention are not limited to the above embodiments, and according to the contents of the above embodiments of the present invention, the above preferred embodiments can also make modifications, replacements or combinations of other forms by using conventional technical knowledge and conventional means in the field without departing from the basic technical idea of the present invention, and the obtained other embodiments all fall within the scope of the present invention.

Claims

1. A foundation pit deformation monitoring device comprises a bottom plate (1) and is characterized in that universal wheels (2) are mounted at the bottom of the bottom plate (1), an annular sliding groove (14) is formed in the outer ring of the bottom surface of the bottom plate (1), an annular sliding block (15) is slidably clamped in the annular sliding groove (14), a plurality of uniformly distributed balls (16) are movably clamped at the top of the annular sliding block (15) through a circular groove, and a plurality of uniformly distributed hydraulic lifting support legs (3) are fixedly mounted at the bottom of the annular sliding block (15); the middle of the top surface of the bottom plate (1) is fixedly provided with a hydraulic lifting support column (5), the top of the hydraulic lifting support column (5) is fixedly provided with a lifting plate (6), the top surface of the bottom plate (1) is provided with a plurality of lower limiting rods (8) which are uniformly distributed around the hydraulic lifting support column (5), the bottom surface of the lifting plate (6) is provided with a plurality of upper limiting rods (7) corresponding to the lower limiting rods (8), and the upper limiting rods (7) and the lower limiting rods (8) are correspondingly sleeved through a limiting sliding sleeve (9); a plurality of fixed bolsters (12) are installed in the top slope of lifter plate (6), the top fixed mounting of fixed bolster (12) has total powerstation tray (13), total powerstation tray (13) internal fixation card is equipped with the total powerstation for the monitoring.

2. A foundation pit deformation monitoring device according to claim 1, characterized in that the bottom of the hydraulic lifting support leg (3) is fixedly provided with a shock absorbing foot pad (4).

3. A foundation pit deformation monitoring device according to claim 1, characterized in that the top of the lower limiting rod (8) is fixedly provided with a limiting top plate (10).

4. A foundation pit deformation monitoring device according to claim 1, characterized in that the outer ring of the lifting plate (6) is provided with a rotary push rod (11).

5. A foundation pit deformation monitoring device according to claim 1, characterized in that the top surface of the total station tray (13) is provided with a groove (17) for placing the total station, a plurality of uniformly distributed clamping springs (18) are fixedly arranged on the inner wall of the groove (17), and the tail ends of the clamping springs (18) are fixedly provided with clamping plates (19).