CN117074199A - Deep foundation pit soil pressure measuring device and measuring method thereof - Google Patents
Deep foundation pit soil pressure measuring device and measuring method thereof Download PDFInfo
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- CN117074199A CN117074199A CN202311138560.9A CN202311138560A CN117074199A CN 117074199 A CN117074199 A CN 117074199A CN 202311138560 A CN202311138560 A CN 202311138560A CN 117074199 A CN117074199 A CN 117074199A
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- 239000002689 soil Substances 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000000087 stabilizing effect Effects 0.000 claims description 28
- 238000005259 measurement Methods 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 230000008093 supporting effect Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009530 blood pressure measurement Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention belongs to the technical field of engineering soil pressure measurement, in particular to a soil pressure measurement device and a soil pressure measurement method for a deep foundation pit. The device and the method for measuring the soil pressure of the deep foundation pit have the effect of improving the stability of soil at the edge of the deep foundation pit, can prevent the soil at the edge of the deep foundation pit from loosening and falling off during use, damage the measuring device and improve the safety of the device during use.
Description
Technical Field
The invention relates to the technical field of engineering soil pressure measurement, in particular to a deep foundation pit soil pressure measurement device and a measurement method thereof.
Background
With the development of social economy and the acceleration of urban process, high-rise, railway traffic, large-scale underground public facilities and the like rapidly rise, and a large number of deep foundation pit projects and underground projects are emerging. Deep foundation pit refers to an engineering where the depth of excavation is more than 5 meters (including 5 meters), or where the depth is not more than 5 meters, but where the geological conditions and surrounding environment and underground pipelines are particularly complex.
In engineering design and safety assessment, the soil pressure of the interaction of the soil body and the structure is a critical factor, and the soil pressure is: the architectonic term refers to the force of a soil body acting on a building or a structure, and the soil body thrust force for promoting the movement of the building or the structure is called active soil pressure; the soil mass opposing forces that resist movement of the building or structure are referred to as passive soil pressure.
The existing deep foundation pit soil pressure measuring device is inconvenient to move when measuring, and when a worker moves the deep foundation pit soil pressure measuring device, the worker is located at two sides of the deep foundation pit, so that soil at two side edges of the deep foundation pit is easy to receive additional pressure, the soil is easy to loose and drop, and the measuring device located inside the deep foundation pit is easy to damage.
Disclosure of Invention
The invention discloses a deep foundation pit soil pressure measuring device and a measuring method thereof, and aims to solve the technical problems that the existing deep foundation pit soil pressure measuring device in the background art is inconvenient to move when measuring, and workers are positioned at two sides of a deep foundation pit when moving the deep foundation pit soil at two side edges of the deep foundation pit is easy to receive extra pressure, so that the soil is easy to loosen and fall down, and the measuring device positioned in the deep foundation pit is easy to damage.
The invention provides a soil pressure measuring device for a deep foundation pit, which comprises a mounting substrate, wherein the bottom of the mounting substrate is fixedly connected with a mounting frame, the bottom of the inner wall of the mounting frame is fixedly connected with a mounting column, the outer wall of the mounting column is fixedly connected with two connecting pieces, one side outer wall of each connecting piece is fixedly connected with two electric push rods, the output ends of the two electric push rods on the same side are fixedly connected with the same arc-shaped piece, one side outer wall of each arc-shaped piece is fixedly connected with two pressure springs, one end of each pressure spring on the same side is fixedly connected with the same stabilizing frame, one side inner wall of each stabilizing frame is provided with two limiting openings, one side outer wall of each arc-shaped piece is fixedly connected with two arc-shaped limiting rods, the outer walls of the four arc-shaped limiting rods are respectively movably connected with the inner walls of the four limiting openings, the inner parts of each stabilizing frame are movably connected with two stabilizing press rolls, and the outer walls of the two press rolls on the same stabilizing frame are respectively provided with the same stabilizing press belt; the bottom fixedly connected with two mounting panels of mounting substrate, the equal swing joint of one side outer wall of two mounting panels has two axostylus axostyles, the equal fixedly connected with running gear of one end of four axostylus axostyles, the equal swing joint of outer wall of four axostylus axostyles has the installed part, the top of four installed parts all with the bottom fixed connection of mounting substrate, and the equal fixedly connected with driving motor of one side outer wall of two mounting panels, the output shaft of two driving motor all passes through the other end fixed connection of shaft coupling and two axostylus axostyles wherein.
Through being provided with driving motor, the axostylus axostyle, the mounting panel, the running wheel, the mounting frame, the connecting piece, electric putter, the arc spare, a compression spring, stable frame, firm compression roller, firm hold-down strip, spacing mouth and arc gag lever post, can make the device carry out automatically regulated to the position as required when measuring through driving motor, the axostylus axostyle and running wheel, staff's working strength has been reduced, and when removing, can exert pressure to deep basal pit inner wall edge through electric putter, stable frame, firm compression roller and firm hold-down strip, avoid deep basal pit edge soil to become flexible dropping, cause the damage to measuring device, thereby the security when improving the device and carry out firm support again, can carry out spacingly to stable frame through spacing mouth and arc gag lever post, make stable frame keep the horizontality, and then guarantee its supporting effect, simultaneously make stable frame can carry out automatically regulated according to the roughness diagonal degree of deep basal pit inner wall through the pressure spring looks cooperation, thereby increase firm hold-down strip and the laminating effect of deep basal pit inner wall, further increase supportability.
In a preferred scheme, the bottom of the installation frame is fixedly connected with four hydraulic rods, the output ends of the four hydraulic rods are fixedly connected with the same installation seat, and the top of the installation seat is fixedly connected with a power motor; the output shaft of the power motor is connected with a screw rod through a coupling, the screw rod is positioned in the mounting seat, the outer wall of the screw rod is movably connected with two adjusting parts, the interiors of the two adjusting parts are movably connected with two connecting rods, and one end of each of the two connecting rods positioned on the same side is movably connected with the same measuring part; the outer walls of one side of the two measuring pieces are fixedly connected with four contact sensors, the outer walls of one side of the two measuring pieces are fixedly connected with pressure sensors, the outer walls of the four connecting rods are fixedly connected with elastic ribs, and one ends of the four elastic ribs are respectively and fixedly connected with the outer walls of the other side of the two measuring pieces; the outer wall of the screw rod is fixedly connected with a driving gear, the outer wall of the mounting seat is movably connected with two mounting rods, one end of one mounting rod is fixedly connected with an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with a driven gear, and the driven gear is meshed with the driving gear; the other ends of the two mounting rods are fixedly connected with the same U-shaped rod, and a plurality of cleaning bristles are arranged on the inner wall of the U-shaped rod at equal intervals.
Through being provided with hydraulic stem, the mount pad, power motor, the lead screw, the regulating part, the connecting rod, measuring part, pressure sensor, contact sensor, drive gear, electric telescopic handle, driven gear, U type pole and clean brush hair, through the hydraulic stem, power motor, the lead screw, regulating part and connecting rod can be adjusted pressure sensor and contact sensor's position, can adjust according to measuring depth and deep basal pit width during the measurement, thereby the practicality when improving the device and using, and when measuring, can make measuring part face the deep basal pit inner wall all the time through the elastic rib, avoid appearing the contained angle between measuring part and the deep basal pit inner wall, simultaneously make pressure sensor, contact sensor can laminate with the deep basal pit inner wall, increase measuring result's accuracy, and when accomplishing the measurement, can clean pressure sensor and contact sensor's surface adhesion's soil through drive gear, driven gear, the lead screw, U type pole and clean brush hair, in order to avoid the soil drying solidification of surface adhesion to influence subsequent measurement use.
In a preferred scheme, two fixing pieces are fixedly connected to the outer walls of the two sides of the mounting plate, fixing rods are fixedly connected to the inner parts of the four fixing pieces, fixing support plates are movably connected to the outer walls of the four fixing rods, torsion springs are sleeved on the outer walls of the four fixing rods, one ends of the four torsion springs are fixedly connected with one side outer wall of each of the four fixing support plates, and the other ends of the four torsion springs are fixedly connected with one side inner wall of each of the four fixing pieces; the bottom of four fixed extension boards all is equipped with a plurality of fixed archs, and the equal fixedly connected with connecting wire in top of four fixed extension boards is in the equal fixedly connected with of two connecting wire one end of same one side is the same connecting plate, and the top fixedly connected with two electric lift poles of mounting substrate, the output of two electric lift poles respectively with the bottom fixed connection of two connecting plates.
Through being provided with electric lift pole, the connecting plate, the connecting wire, the mounting, the dead lever, the torsional spring, fixed extension board and fixed arch, can carry out automatic fixation through fixed extension board, torsional spring and fixed arch to the position of device before measuring for the position of device can not take place the skew when measuring, thereby guarantee measuring result's accuracy, and make the device carry out automatic packing up to fixed extension board after fixed through electric lift pole, connecting plate and connecting wire, need not staff's manual operation, the automation effect when having improved the device use, the convenience when the device measurement of increase.
The application method of the deep foundation pit soil pressure measuring device comprises the following steps of:
step one, when moving, starting a driving motor, wherein the driving motor drives a shaft lever to rotate so as to drive a movable wheel, so that the device moves;
step two, when the edges of the deep foundation pit are stabilized, starting an electric push rod, wherein the electric push rod drives the arc-shaped piece to move towards the two sides of the deep foundation pit, so that the arc-shaped piece drives the stabilizing frame to move until the stabilizing frame drives the stabilizing press belt to contact with the two sides of the deep foundation pit, and supporting the edges of the two sides of the deep foundation pit;
step three, when the fixing is carried out before measurement, starting the electric lifting rod to drive the connecting plate to descend, and loosening the connecting wire due to the descending of the connecting plate at the moment to enable the fixing support plate to contact with the ground under the driving of the torsion spring, so that the device position is fixed;
step four, during measurement, start power motor, power motor drives the regulating part and is close to mutually, and then drives the connecting rod and rotate for the connecting rod drives the measuring part and removes to deep basal pit inner wall, and makes contact sensor and pressure sensor with the inner wall contact, measures deep basal pit soil pressure through pressure sensor this moment, later can drive clean brush hair through the U type pole and clean pressure sensor and contact sensor.
Therefore, the soil pressure measuring device for the deep foundation pit has the effect of improving the stability of soil at the edge of the deep foundation pit, can prevent the soil at the edge of the deep foundation pit from loosening and falling off during use, damages the measuring device, and improves the safety of the device during use.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a deep foundation pit soil pressure measuring device according to the present invention;
fig. 2 is a schematic diagram of a combined structure of a shaft rod and a hydraulic rod of a deep foundation pit soil pressure measuring device according to the present invention;
FIG. 3 is a schematic view of a combined structure of a mounting frame and a stabilizing frame of a deep foundation pit soil pressure measuring device according to the present invention;
FIG. 4 is a schematic view of a combined structure of an arc-shaped member and a limiting opening of a deep foundation pit soil pressure measuring device according to the present invention;
FIG. 5 is a schematic view of a combined structure of a connecting rod and a mounting base of a deep foundation pit soil pressure measuring device according to the present invention;
fig. 6 is a schematic diagram of a combined structure of a screw rod and a mounting rod of a deep foundation pit soil pressure measuring device according to the present invention;
fig. 7 is a schematic diagram of a combination structure of a fixing support plate and a fixing rod of a deep foundation pit soil pressure measuring device according to the present invention.
In the figure: 1. a mounting substrate; 2. a connecting wire; 3. a U-shaped rod; 4. a mounting base; 5. a mounting frame; 6. fixing the support plate; 7. a mounting member; 8. a driving motor; 9. a mounting plate; 10. a movable wheel; 11. a shaft lever; 12. a hydraulic rod; 13. a mounting column; 14. an arc-shaped member; 15. a stabilizing frame; 16. a pressure spring; 17. a connecting piece; 18. an electric push rod; 19. an arc-shaped limit rod; 20. a limit opening; 21. stabilizing the compression roller; 22. stabilizing the pressing belt; 23. a pressure sensor; 24. a power motor; 25. a measuring member; 26. cleaning bristles; 27. a connecting rod; 28. a contact sensor; 29. an elastic rib; 30. a mounting rod; 31. a screw rod; 32. a drive gear; 33. an adjusting member; 34. an electric telescopic rod; 35. a driven gear; 36. an electric lifting rod; 37. a fixing protrusion; 38. a fixing member; 39. a connecting plate; 40. a fixed rod; 41. and (3) a torsion spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
The invention discloses a deep foundation pit soil pressure measuring device which is mainly applied to a scene that soil at two side edges of a deep foundation pit is easy to loosen and fall when the device moves.
Referring to fig. 1-7, a soil pressure measuring device for a deep foundation pit comprises a mounting substrate 1, wherein the bottom of the mounting substrate 1 is fixedly connected with a mounting frame 5, the bottom of the inner wall of the mounting frame 5 is fixedly connected with a mounting column 13, the outer wall of the mounting column 13 is fixedly connected with two connecting pieces 17, one side outer wall of each connecting piece 17 is fixedly connected with two electric push rods 18, the output ends of the two electric push rods 18 positioned on the same side are fixedly connected with the same arc-shaped piece 14, one side outer wall of each arc-shaped piece 14 is fixedly connected with two pressure springs 16, one end of each pressure spring 16 positioned on the same side is fixedly connected with the same stabilizing frame 15, one side inner wall of each stabilizing frame 15 is provided with two limiting openings 20, one side outer wall of each arc-shaped piece 14 is fixedly connected with two arc-shaped limiting rods 19, the outer walls of each arc-shaped limiting rod 19 are respectively and slidably connected with the inner walls of each limiting opening 20, the inside of each stabilizing frame 15 is rotatably connected with two compression rollers 21, and the two stabilizing compression rollers 21 positioned inside the same stabilizing frame 15 are respectively provided with two stabilizing compression rollers 21; the bottom fixedly connected with two mounting panels 9 of mounting substrate 1, the one side outer wall of two mounting panels 9 all is connected with two axostylus axostyles 11 through the bearing, the equal fixedly connected with running gear 10 of one end of four axostylus axostyles 11, the outer wall of four axostylus axostyles 11 all rotates and is connected with mounting 7, the top of four mounting 7 all with the bottom fixed connection of mounting substrate 1, and the equal fixedly connected with driving motor 8 of one side outer wall of two mounting panels 9, the output shaft of two driving motor 8 all passes through the other end fixed connection of shaft coupling and two axostylus axostyles 11 wherein.
Specifically, during movement, the driving motor 8 is started, the shaft lever 11 is driven to rotate through the driving motor 8, the movable wheel 10 is driven to rotate through the shaft lever 11, so that the device moves, and when moving, the electric push rod 18 is started, the two arc-shaped pieces 14 can be driven to move towards the inner walls of the two sides of the deep foundation pit through the electric push rod 18, at the moment, the arc-shaped pieces 14 can drive the stabilizing frame 15 to gradually approach the inner wall of the deep foundation pit through the pressure spring 16 until the stabilizing press roller 21 and the stabilizing press belt 22 are in contact with the inner wall of the deep foundation pit, the device stably supports the edge of the inner wall of the deep foundation pit when moving, and the pressure spring 16 deforms during supporting;
in specific application scenario, can make the device carry out automatically regulated to the position as required when measuring through driving motor 8, axostylus axostyle 11 and running wheel 10, reduced staff's working strength, and when removing, can exert pressure to deep basal pit inner wall edge through electric putter 18, stable frame 15, firm compression roller 21 and firm press belt 22, avoid deep basal pit edge soil to become flexible dropping, cause the damage to measuring device, thereby improve the security when the device is used, and when carrying out firm support again, can carry out spacingly to stable frame 15 through spacing mouth 20 and arc gag lever post 19, make stable frame 15 keep the horizontality, and then guarantee its supporting effect, make stable frame 15 can carry out automatically regulated according to deep basal pit inner wall's roughness through compression belt 22 and the laminating effect of deep basal pit inner wall through the cooperation of compression spring 16 simultaneously, further increase support steadiness.
Referring to fig. 1, 2, 5 and 6, in a preferred embodiment, four hydraulic rods 12 are fixedly connected to the bottom of the mounting frame 5, the output ends of the four hydraulic rods 12 are fixedly connected to the same mounting seat 4, and the top of the mounting seat 4 is fixedly connected to a power motor 24; the output shaft of the power motor 24 is connected with a screw rod 31 through a coupler, the screw rod 31 is positioned in the installation seat 4, the outer wall of the screw rod 31 is connected with two adjusting pieces 33 through threads, the interiors of the two adjusting pieces 33 are respectively and rotatably connected with two connecting rods 27, and one ends of the two connecting rods 27 positioned on the same side are respectively and rotatably connected with the same measuring piece 25; four contact sensors 28 are fixedly connected to the outer wall of one side of each measuring piece 25, pressure sensors 23 are fixedly connected to the outer wall of one side of each measuring piece 25, elastic ribs 29 are fixedly connected to the outer walls of the four connecting rods 27, and one ends of the four elastic ribs 29 are fixedly connected with the outer wall of the other side of each measuring piece 25 respectively; the outer wall of the screw rod 31 is fixedly connected with a driving gear 32, the outer wall of the mounting seat 4 is connected with two mounting rods 30 through bearings, one end of one mounting rod 30 is fixedly connected with an electric telescopic rod 34, the output end of the electric telescopic rod 34 is fixedly connected with a driven gear 35, and the driven gear 35 is meshed with the driving gear 32; the other ends of the two mounting rods 30 are fixedly connected with the same U-shaped rod 3, and a plurality of cleaning bristles 26 are arranged on the inner wall of the U-shaped rod 3 at equal intervals.
Specifically, during measurement, the hydraulic rod 12 is started, the position of the mounting seat 4 is adjusted in height through the hydraulic rod 12, when the hydraulic rod moves to a measurement depth, the power motor 24 is started, the power motor 24 drives the screw rod 31 to rotate, and further, the two adjusting pieces 33 move towards opposite sides, at the moment, the connecting rod 27 can be driven to rotate through the adjusting pieces 33, and then the position of the measuring piece 25 is adjusted, so that the measuring piece 25 drives the pressure sensor 23 and the contact sensor 28 to contact with the inner wall of the deep foundation pit, the power motor 24 is controlled to operate through the contact sensor 28, the soil pressure of the deep foundation pit is measured through the pressure sensor 23 after the contact, the electric telescopic rod 34 is started after the measurement is completed, the electric telescopic rod 34 drives the driven gear 35 to be meshed with the driving gear 32, and drives the driving gear 32 to rotate through the screw rod 31, and further drives the driven gear 35 and the mounting rod 30 to rotate with the U-shaped rod 3, and the U-shaped rod 3 drives the cleaning bristles 26 to be contacted with the pressure sensor 23 and the contact sensor 28, and the cleaning piece is cleaned, and subsequent measurement is convenient;
in specific application scenario, can adjust pressure sensor 23 and contact sensor 28's position through hydraulic stem 12, motor power 24, lead screw 31, regulating part 33 and connecting rod 27 for can be according to measuring degree of depth and deep basal pit width regulation when measuring, thereby improve the practicality when the device is used, and when measuring, can make measuring part 25 face deep basal pit inner wall all the time through elastic rib 29, avoid appearing the contained angle between measuring part 25 and the deep basal pit inner wall, make pressure sensor 23, contact sensor 28 can laminate mutually with the deep basal pit inner wall simultaneously, increase measuring result's accuracy, and when accomplishing the measurement, can clean pressure sensor 23 and contact sensor 28 surface adhesion's soil through driving gear 32, driven gear 35, lead screw 31, U type pole 3 and cleaning brush hair 26, in order to avoid the soil drying solidification of surface adhesion to influence subsequent measurement use.
Referring to fig. 1 and 7, in a preferred embodiment, two fixing pieces 38 are fixedly connected to outer walls of two sides of the mounting plate 9, fixing rods 40 are fixedly connected to inner portions of the four fixing pieces 38, fixing support plates 6 are rotatably connected to outer walls of the four fixing rods 40, torsion springs 41 are sleeved on outer walls of the four fixing rods 40, one ends of the four torsion springs 41 are fixedly connected with outer walls of one sides of the four fixing support plates 6 respectively, and the other ends of the four torsion springs 41 are fixedly connected with inner walls of one sides of the four fixing pieces 38 respectively; the bottom of four fixed extension boards 6 all is equipped with a plurality of fixed bellies 37, and the equal fixedly connected with connecting wire 2 in top of four fixed extension boards 6, the equal fixedly connected with same connecting plate 39 of two connecting wire 2 one end that are in same one side, and the top fixedly connected with two electric lift poles 36 of mounting substrate 1, the output of two electric lift poles 36 respectively with the bottom fixed connection of two connecting plates 39.
Specifically, when the fixing is performed before the measurement, the electric lifting rod 36 is started, the electric lifting rod 36 drives the connecting plate 39 to move downwards, so that the connecting plate 2 is loosened, the fixing support plate 6 can rotate on the fixing rod 40, at the moment, the fixing support plate 6 can rotate under the driving of the torsion spring 41, the bottom of the fixing support plate 6 is contacted with the ground, the fixing protrusion 37 at the bottom of the fixing support plate 6 can be inserted into the soil to fix the position of the device, and after the measurement is completed, the electric lifting rod 36 drives the connecting plate 39 to ascend, so that the connecting plate 39 pulls the connecting plate 2, and the fixing support plate 6 is pulled to be separated from the ground;
in specific application scenario, can carry out automatic fixation to the position of device before measuring through fixed extension board 6, torsional spring 41 and fixed protruding 37 for the position of device can not take place the skew during the measurement, thereby guarantees measuring result's accuracy, and makes the device carry out automatic packing up to fixed extension board 6 after fixed through electric lifter 36, connecting plate 39 and connecting wire 2, need not staff's manual operation, has improved the automation effect when the device is used, the convenience when the device of increase measures.
The application method of the deep foundation pit soil pressure measuring device comprises the following steps of:
step one, when moving, starting a driving motor 8, driving a shaft lever 11 to rotate through the driving motor 8, and driving a movable wheel 10 to rotate through the shaft lever 11, so that the device moves;
step two, when the edge of the deep foundation pit is stabilized, the electric push rod 18 is started while moving, the two arc-shaped pieces 14 can be driven to move towards the inner walls of the two sides of the deep foundation pit through the electric push rod 18, at the moment, the arc-shaped pieces 14 can drive the stabilizing frame 15 to gradually approach the inner wall of the deep foundation pit through the pressure spring 16 until the stabilizing press roller 21 and the stabilizing press belt 22 are in contact with the inner wall of the deep foundation pit, so that the device stably supports the edge of the inner wall of the deep foundation pit while moving, and the pressure spring 16 deforms during supporting;
step three, when fixing is performed before measurement, starting an electric lifting rod 36, wherein the electric lifting rod 36 drives a connecting plate 39 to move downwards, so that a connecting wire 2 is loosened, a fixed support plate 6 can rotate on a fixing rod 40, at the moment, the fixed support plate 6 can rotate under the drive of a torsion spring 41, the bottom of the fixed support plate 6 is contacted with the ground, a fixing protrusion 37 at the bottom of the fixed support plate 6 can be inserted into the soil to fix the position of the device, and after the measurement is completed, the electric lifting rod 36 drives the connecting plate 39 to ascend, so that the connecting plate 39 pulls the connecting wire 2, and the fixed support plate 6 is pulled to be separated from the ground;
step four, during measurement, the hydraulic rod 12 is started, the position of the mounting seat 4 is adjusted in height through the hydraulic rod 12, when the hydraulic rod moves to the measurement depth, the power motor 24 is started, the power motor 24 drives the screw rod 31 to rotate, and then two adjusting pieces 33 move towards opposite sides, at the moment, the connecting rod 27 can be driven to rotate through the adjusting pieces 33, and then the position of the measuring piece 25 is adjusted, the measuring piece 25 drives the pressure sensor 23 and the contact sensor 28 to contact with the inner wall of the deep foundation pit, the power motor 24 is controlled to operate through the contact sensor 28, the soil pressure of the deep foundation pit is measured through the pressure sensor 23 after the contact, the electric telescopic rod 34 is started after the measurement is completed, the electric telescopic rod 34 drives the driven gear 35 to be meshed with the driving gear 32, and drives the driving gear 32 to rotate through the screw rod 31, and then drives the driven gear 35, the mounting rod 30 to rotate with the U-shaped rod 3, and the U-shaped rod 3 drives the cleaning bristles 26 to be contacted with the pressure sensor 23 and the contact sensor 28, and clean the cleaning piece, and subsequent measurement is convenient.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a deep basal pit soil pressure measuring device, includes mounting substrate (1), its characterized in that, the bottom fixedly connected with mounting frame (5) of mounting substrate (1), and the inner wall bottom fixedly connected with erection column (13) of mounting frame (5), the outer wall fixedly connected with two connecting pieces (17) of erection column (13), and the equal fixedly connected with electric putter (18) of one side outer wall of two connecting pieces (17), be in two with the equal fixedly connected with arc piece (14) of one side electric putter (18) output, and the equal fixedly connected with two compression spring (16) of one side outer wall of two arc pieces (14), be in two with the equal fixedly connected with one stable frame (15) of one side of compression spring (16), and two spacing mouthful (20) have all been seted up to one side inner wall of two stable frame (15), and the outer wall of one side outer wall of four arc spacing rod (19) respectively with four spacing mouths (20) equal fixedly connected with two inside steady compression roller (21) of two stable frames (21) are in same inside steady (21).
2. The deep foundation pit soil pressure measuring device according to claim 1, wherein the bottom of the mounting substrate (1) is fixedly connected with two mounting plates (9), one side outer wall of the two mounting plates (9) is movably connected with two shaft rods (11), one end of each of the four shaft rods (11) is fixedly connected with a movable wheel (10), the outer wall of each of the four shaft rods (11) is movably connected with a mounting piece (7), the top of each of the four mounting pieces (7) is fixedly connected with the bottom of the mounting substrate (1), one side outer wall of each of the two mounting plates (9) is fixedly connected with a driving motor (8), and output shafts of the two driving motors (8) are fixedly connected with the other ends of the two shaft rods (11) through couplings.
3. The deep foundation pit soil pressure measuring device according to claim 2, wherein the bottom of the mounting frame (5) is fixedly connected with four hydraulic rods (12), the output ends of the four hydraulic rods (12) are fixedly connected with the same mounting seat (4), and the top of the mounting seat (4) is fixedly connected with a power motor (24).
4. A deep foundation pit soil pressure measuring device according to claim 3, characterized in that the output shaft of the power motor (24) is connected with a screw rod (31) through a coupling, the screw rod (31) is positioned in the installation seat (4), the outer wall of the screw rod (31) is movably connected with two adjusting parts (33), the inside of the two adjusting parts (33) is movably connected with two connecting rods (27), and one end of each of the two connecting rods (27) positioned on the same side is movably connected with the same measuring part (25).
5. The deep foundation pit soil pressure measuring device according to claim 4, wherein four contact sensors (28) are fixedly connected to outer walls of one sides of two measuring pieces (25), pressure sensors (23) are fixedly connected to outer walls of one sides of two measuring pieces (25), elastic ribs (29) are fixedly connected to outer walls of four connecting rods (27), and one ends of the four elastic ribs (29) are fixedly connected to outer walls of the other sides of the two measuring pieces (25) respectively.
6. The deep foundation pit soil pressure measuring device according to claim 5, wherein the outer wall of the screw rod (31) is fixedly connected with a driving gear (32), the outer wall of the mounting seat (4) is movably connected with two mounting rods (30), one end of one mounting rod (30) is fixedly connected with an electric telescopic rod (34), the output end of the electric telescopic rod (34) is fixedly connected with a driven gear (35), and the driven gear (35) is meshed with the driving gear (32).
7. The deep foundation pit soil pressure measuring device according to claim 6, wherein the other ends of the two mounting rods (30) are fixedly connected with the same U-shaped rod (3), and a plurality of cleaning bristles (26) are equidistantly arranged on the inner wall of the U-shaped rod (3).
8. The deep foundation pit soil pressure measuring device according to claim 7, wherein two fixing pieces (38) are fixedly connected to outer walls of two sides of the mounting plate (9), fixing rods (40) are fixedly connected to inner portions of the four fixing pieces (38), fixing support plates (6) are movably connected to outer walls of the four fixing rods (40), torsion springs (41) are sleeved on outer walls of the four fixing rods (40), one ends of the four torsion springs (41) are fixedly connected with outer walls of one sides of the four fixing support plates (6) respectively, and the other ends of the four torsion springs (41) are fixedly connected with inner walls of one sides of the four fixing pieces (38) respectively.
9. The deep foundation pit soil pressure measuring device according to claim 8, wherein a plurality of fixing protrusions (37) are arranged at the bottoms of the four fixing support plates (6), connecting wires (2) are fixedly connected to the tops of the four fixing support plates (6), one connecting plate (39) is fixedly connected to one end of each of the two connecting wires (2) on the same side, two electric lifting rods (36) are fixedly connected to the top of the mounting substrate (1), and the output ends of the two electric lifting rods (36) are fixedly connected to the bottoms of the two connecting plates (39) respectively.
10. A method of using a deep foundation pit soil pressure measuring device according to claim 9, comprising the steps of:
step one, when moving, starting a driving motor (8), wherein the driving motor (8) drives a shaft lever (11) to rotate so as to drive a movable wheel (10) to enable the device to move;
step two, when the edge of the deep foundation pit is stabilized, starting an electric push rod (18), wherein the electric push rod (18) drives the arc-shaped piece (14) to move towards the two sides of the deep foundation pit, so that the arc-shaped piece (14) drives the stabilizing frame (15) to move until the stabilizing frame (15) drives the stabilizing press belt (22) to contact with the two sides of the deep foundation pit, and supporting the edges of the two sides of the deep foundation pit;
step three, when the fixing is carried out before measurement, the electric lifting rod (36) is started to drive the connecting plate (39) to descend, and at the moment, the connecting wire (2) is loosened due to the descending of the connecting plate (39), so that the fixing support plate (6) is contacted with the ground under the driving of the torsion spring (41), and the device position is fixed;
step four, during the measurement, start power motor (24), power motor (24) drive regulating part (33) are close to each other, and then drive connecting rod (27) rotation for connecting rod (27) drive measuring part (25) remove to deep basal pit inner wall, and make contact sensor (28) and pressure sensor (23) and inner wall contact, measure deep basal pit soil pressure through pressure sensor (23) this moment, later can drive clean brush hair (26) through U type pole (3) and clean pressure sensor (23) and contact sensor (28).
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| CN117074199B (en) | 2024-04-19 |
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