CN210766703U

CN210766703U - Measure foundation ditch soil pressure's device

Info

Publication number: CN210766703U
Application number: CN201921621675.2U
Authority: CN
Inventors: 刘立文; 尤涵锐
Original assignee: Wuhan University of Science and Engineering WUSE
Current assignee: Wuhan University of Science and Engineering WUSE
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-06-16
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a device for measuring foundation pit soil pressure, which comprises a measuring hole and a measuring rod, wherein a supporting plate is welded at the upper end of the measuring rod, a control box is connected with bolts and nuts on the supporting plate, a first hydraulic pump is connected with bolts and nuts at the lower end of the measuring rod, a hydraulic rod is connected on the hydraulic pump, a measuring box body is welded on the hydraulic rod, a driving motor is connected with bolts and nuts on the measuring box body, a rotating shaft is arranged on the driving motor, soil breaking teeth are welded on the rotating shaft, a second hydraulic pump is connected with bolts and nuts on the measuring box body, a second hydraulic rod is connected on the second hydraulic pump, a measuring device is welded on the second hydraulic rod, a laser distance measuring sensor is connected with bolts and nuts on the shell of the second hydraulic pump, the utility model relates to a device for measuring foundation pit soil pressure, which can realize omnibearing detection of, the detection precision is improved, and the device can be repeatedly used, is simple to operate and reduces the cost.

Description

Measure foundation ditch soil pressure's device

Technical Field

The utility model relates to a foundation ditch soil pressure measurement technical field specifically is a measure device of foundation ditch soil pressure.

Background

With the vigorous development of construction engineering, the measurement of soil pressure plays an important role in the construction engineering, and in the engineering design and safety evaluation process, the detection of the soil pressure is an important factor, and the soil pressure needs to be detected in all directions.

The existing device for measuring the foundation pit soil pressure is mostly buried in soil, the measuring error is large, the precision is low, the use is inconvenient, the working efficiency is low, and the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current device of measuring foundation ditch soil pressure, bury formula for soil mostly, measured error is great, and the precision is low, and work efficiency is low, problem with high costs, and the device of a measurement foundation ditch soil pressure that proposes.

In order to achieve the above object, the utility model provides a following technical scheme: including measuring aperture and measuring stick, the welding of measuring stick upper end has the backup pad, bolt and nut is connected with the control box in the backup pad, be provided with soft leather spool on the control box, measuring stick lower extreme bolt and nut is connected with the hydraulic pump, be connected with the hydraulic stem on the hydraulic pump, the welding has the measurement box on the hydraulic stem, bolt and nut is connected with driving motor on the measurement box, the last axis of rotation that is provided with of driving motor, the welding has the tooth that breaks ground in the axis of rotation, bolt and nut is connected with the second hydraulic pump on the measurement box, be connected with the second hydraulic pump on the second hydraulic pump, the welding has measuring device on the second hydraulic pump, bolt and nut is connected with laser range sensor on the second hydraulic pump shell.

Preferably, the measuring rod is a hollow steel pipe, the measuring rod is formed by connecting a plurality of hollow steel pipes with the same specification through threads, internal threads are arranged at the upper end of each hollow steel pipe, external threads are arranged at the lower end of each hollow steel pipe, the measuring rod is formed by connecting a plurality of hollow steel pipes through threads, the height of the measuring rod can be adjusted, and the measuring rod is suitable for measuring holes with different depths.

Preferably, the support plate is provided with a plurality of screw holes with the same specification, and the support plate is conveniently fixed by penetrating the screw holes through bolts.

Preferably, the ground breaking teeth are rigid racks, the driving motor drives the rotating shaft to rotate, the rotating shaft drives the ground breaking teeth to rotate, and under the action of the rigid racks, the ground breaking effect is achieved.

Preferably, the right end of the measuring box body is provided with a bearing base, the rotating shaft transversely penetrates through the bearing base, an opening is formed in a top plate on the measuring box body, the opening corresponds to the measuring device, a sealing ring is arranged between the opening and the measuring device, the bearing base plays a role in supporting the rotating shaft, soil is isolated outside the measuring box body by the sealing ring, and the soil is prevented from entering the measuring box body through a gap between the measuring box body and the measuring device.

Preferably, the measuring device is composed of a measuring shell and a plurality of pressure detection sensors with the same specification, a 45-degree oblique angle is arranged on the measuring shell, a plurality of through holes with the same specification are formed in the measuring shell, the pressure detection sensors are fixed on the through holes through screws, the pressure detection sensors adopt SDG-2513 soil pressure sensors, the comprehensive soil pressure detection effect of the foundation pit can be achieved through the pressure detection sensors, and the detection precision is improved.

Preferably, the control box has box shell, controller, treater and power cord to constitute, screwed connection controller on the box shell, the controller adopts loose programmable controller PLC FP-XC14T, linear connection has the treater on the controller, hydraulic pump, driving motor, second hydraulic pump, measuring device, laser range finding sensor all connect in parallel in the treater, the equal electric connection of hydraulic pump, driving motor and second hydraulic pump is in the power input line, and the collection effect of signal is realized to the treater to give the controller with signal transmission.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a measure device of foundation ditch soil pressure utilizes measuring device can realize the omnidirectional detection of foundation ditch soil pressure, improves and detects the precision, can used repeatedly simultaneously, easy operation, reduce cost.

Drawings

Fig. 1 is the utility model discloses measure foundation ditch soil pressure's device's structural schematic.

Figure 2 is the utility model discloses measure foundation ditch soil pressure's local cross-sectional view.

Fig. 3 is the utility model discloses measure foundation ditch soil pressure's device's front view.

In the figure: 1-measuring hole, 2-measuring rod, 3-supporting plate, 4-control box, 5-soft leather hose, 6-hydraulic pump, 7-hydraulic rod, 8-measuring box, 9-driving motor, 10-rotating shaft, 11-ground breaking tooth, 12-second hydraulic pump, 13-second hydraulic rod, 14-measuring device and 15-laser ranging sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: including measuring aperture 1 and measuring stick 2, its characterized in that: the upper end of the measuring rod 2 is welded with a supporting plate 3 for supporting, the supporting plate 3 is connected with a control box 4 through bolts and nuts, a controller, a processor and a power input line are arranged in the control box 4 for controlling and simultaneously providing electric energy, the control box 4 is provided with a soft leather wire pipe 5 for protecting an electric connecting line, the lower end of the measuring rod 2 is connected with a hydraulic pump 6 through bolts and nuts for providing kinetic energy, the hydraulic pump 6 is connected with a hydraulic rod 7 for transmitting kinetic energy, the hydraulic rod 7 is welded with a measuring box body 8 for protecting and supporting, the measuring box body 8 is connected with a driving motor 9 through bolts and nuts for providing kinetic energy, the driving motor 9 is provided with a rotating shaft 10 for transmitting kinetic energy, the rotating shaft 10 is welded with soil breaking teeth 11 for realizing the soil breaking effect, the measuring box body 8 is connected with a second hydraulic pump 12 through bolts and nuts, the device comprises a support plate 3, a second hydraulic pump 12, a measuring device 14, a laser distance measuring sensor 15, a measuring rod 2, a plurality of hollow steel pipes with the same specification and connected by screw threads, a plurality of screw holes with the same specification and convenient for fixing the support plate by bolts penetrating through the screw holes, wherein the kinetic energy is provided, the second hydraulic pump 12 is connected with the second hydraulic pump 13 for transmitting the kinetic energy, the second hydraulic pump 13 is welded with the measuring device 14 for realizing the omnibearing detection of the soil pressure, the shell of the second hydraulic pump 12 is connected with the laser distance measuring sensor 15 by bolts and nuts for measuring the change of displacement under different soil pressures, the measuring rod 2 is a hollow steel pipe, the measuring rod 2 is composed of a plurality of hollow steel pipes with the same specification and connected by screw threads, the upper end of the hollow steel pipe is provided with internal threads, the lower end, the soil breaking teeth 11 are rigid racks, the driving motor drives the rotating shaft to rotate, the rotating shaft drives the soil breaking teeth to rotate, the soil breaking effect is realized under the action of the rigid racks, the right end of the measuring box body 8 is provided with a bearing base, the rotating shaft 10 transversely penetrates through the bearing base, an opening is formed in a top plate of the measuring box body 8 and corresponds to the measuring device 14, a sealing ring is arranged between the opening and the measuring device 14, the bearing base plays a role of supporting the rotating shaft, the sealing ring isolates the soil outside the measuring box body and prevents the soil from entering the measuring box body through a gap between the measuring box body and the measuring device, the measuring device 14 is provided with a measuring shell and a plurality of pressure detection sensors with the same specification, a 45-degree oblique angle is arranged on the measuring shell, and a plurality of through holes with the same specification are arranged on the measuring shell, the pressure detection sensor passes through the screw fixation on the through-hole, the pressure detection sensor adopts SDG-2513 soil pressure sensor, can realize the omnidirectional soil pressure detection effect of foundation ditch through the pressure detection sensor, improves the precision of detection, control box 4 has box shell, controller, treater and power cord to constitute, screwed connection controller on the box shell, the controller adopts loose programmable controller PLC FP-XC14T, the linear connection has the treater on the controller, hydraulic pump 6, driving motor 9, second hydraulic pump 12, measuring device 14, laser range finding sensor 15 all connect in parallel in the treater, hydraulic pump 6, driving motor 9 and the equal electric connection of second hydraulic pump 12 are in the power input line, and the treater realizes the collection effect of signal to give the controller with signal transmission.

The utility model discloses a theory of operation does: firstly, a measuring rod 2 is placed into a measuring hole 1, a support plate 3 penetrates through a screw hole through a bolt to be fixed, a power supply is switched on, then a hydraulic pump 6 and a driving motor 9 work simultaneously, the driving motor 9 works to drive a rotating shaft 10 to rotate around a bearing base on a measuring box body 8, the rotating shaft 10 drives a soil breaking tooth 11 to rotate, the effect of soil breaking is realized, the hydraulic pump 6 pushes a hydraulic rod 7 to move, the hydraulic rod 7 pushes the measuring box body 8 to move, under the combined action of the hydraulic pump 6 and the driving motor 9, the measuring box body 8 moves towards the right side and penetrates into a soil layer, a second hydraulic pump 12 pushes a second hydraulic rod 13 to move upwards, the second hydraulic rod 13 pushes a measuring device 14 to move upwards, a soil pressure detecting sensor in the measuring device 14 carries out omnibearing soil pressure value measuring, a signal is fed back to a processor, and a laser ranging sensor 15 detects the position change of, and transmits the signal to a processor which combines the soil pressure detection value with the position change value of the measuring device 14 and transmits the data to a controller.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a measure foundation ditch soil pressure's device, includes measuring aperture (1) and measuring stick (2), its characterized in that: the upper end of the measuring rod (2) is welded with a supporting plate (3), the supporting plate (3) is connected with a control box (4) through bolts and nuts, the control box (4) is provided with a soft leather line pipe (5), the lower end of the measuring rod (2) is connected with a hydraulic pump (6) through bolts and nuts, the hydraulic pump (6) is connected with a hydraulic rod (7), the hydraulic rod (7) is welded with a measuring box body (8), the measuring box body (8) is connected with a driving motor (9) through bolts and nuts, the driving motor (9) is provided with a rotating shaft (10), the rotating shaft (10) is welded with a soil breaking tooth (11), the measuring box body (8) is connected with a second hydraulic pump (12) through bolts and nuts, the second hydraulic pump (12) is connected with a second hydraulic rod (13), and the second hydraulic rod (13) is welded with a measuring, and a shell of the second hydraulic pump (12) is connected with a laser ranging sensor (15) through bolts and nuts.

2. The device for measuring foundation pit soil pressure according to claim 1, wherein: the measuring rod (2) is a hollow steel pipe, the measuring rod (2) is formed by connecting a plurality of hollow steel pipes with the same specification through threads, internal threads are arranged at the upper end of each hollow steel pipe, and external threads are arranged at the lower end of each hollow steel pipe.

3. The device for measuring foundation pit soil pressure according to claim 1, wherein: the supporting plate (3) is provided with a plurality of screw holes with the same specification.

4. The device for measuring foundation pit soil pressure according to claim 1, wherein: the ground breaking teeth (11) are rigid racks.

5. The device for measuring foundation pit soil pressure according to claim 1, wherein: the measuring box is characterized in that a bearing base is arranged at the right end of the measuring box body (8), the rotating shaft (10) transversely penetrates through the bearing base, an opening is formed in the top plate of the measuring box body (8), the opening corresponds to the measuring device (14), and a sealing ring is arranged between the opening and the measuring device (14).

6. The device for measuring foundation pit soil pressure according to claim 1, wherein: the measuring device (14) is composed of a measuring shell and a plurality of pressure detecting sensors with the same specification, wherein a 45-degree oblique angle is arranged on the measuring shell, a plurality of through holes with the same specification are arranged on the measuring shell, the pressure detecting sensors are fixed on the through holes through screws, and the pressure detecting sensors adopt SDG-2513 soil pressure sensors.

7. The device for measuring foundation pit soil pressure according to claim 1, wherein: control box (4) have box shell, controller, treater and power cord to constitute, screwed connection controller on the box shell, the controller adopts loose programmable controller PLC FP-XC14T, the linear connection has the treater on the controller, hydraulic pump (6), driving motor (9), second hydraulic pump (12), measuring device (14), laser range finding sensor (15) all connect in parallel in the treater, hydraulic pump (6), driving motor (9) and the equal electric connection of second hydraulic pump (12) in power input line.