CN114606990A - Full-automatic sandy soil vibration compacting device and system - Google Patents

Full-automatic sandy soil vibration compacting device and system Download PDF

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CN114606990A
CN114606990A CN202011435372.9A CN202011435372A CN114606990A CN 114606990 A CN114606990 A CN 114606990A CN 202011435372 A CN202011435372 A CN 202011435372A CN 114606990 A CN114606990 A CN 114606990A
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sand
infrared
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height
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CN114606990B (en
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袁炳祥
樊立韬
赵津
陈伟杰
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Guangdong University of Technology
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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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion

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  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
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Abstract

The invention discloses a full-automatic sandy soil vibration compacting device and a system, wherein the device comprises a model box, a full-automatic sand pumping device, an infrared sensing device wrapping the model box, a movable lower base, an upper base which is connected with a spring and is provided with a groove, an automatic vibrating device attached to the bottom surface of the upper base, a computer used for regulating and controlling the whole system and processing relevant data, and an electric wire used for connecting the computer, the infrared device, the vibrating device and the sand pumping device. The method comprises the following steps of switching on a power supply, connecting all devices through electric wires, programming through a computer, calculating the required quality according to the relative compactness of the required sand and the height of the sand injected into a model box, then pumping sandy soil into the model box from a barrel through a sand pumping device, stopping pumping the sand when the required quality is achieved, starting operation of a vibration device, stopping vibration when the height of the sand reaches the required height through vibration compaction, and forming an infrared surface in the model box to finally obtain a sandy soil layer with certain compactness and height.

Description

Full-automatic sandy soil vibration compacting device and system
Technical Field
The invention relates to the technical field of geotechnical engineering laboratory tests, in particular to a full-automatic sandy soil vibration compacting device and system.
Background
With the development of the rock and soil industry in China, the requirements for scientific research and construction safety are continuously improved, the simulation of indoor experiments becomes particularly important, and the simulation and filling of soil layers in the laboratories are an essential part. Most of the existing sand compaction methods for mold boxes are layered compaction methods, which have the following defects: 1. and (5) manually weighing sand. After the quality of the sand is calculated, the sand needs to be weighed manually by using an electronic scale, and the sand can be poured into the model box after the sand with the required quality is obtained, so that errors are easily caused by misoperation. 2. And (5) manually compacting. Layering, leveling and compacting, and the manual compacting time is longer, so that the efficiency is low; then, after the leveling is finished by visual inspection, the upper sand layer can be filled continuously, and the experimental error is easily caused by the sight error. 3. Other models such as model piles are likely to need to be added in the middle of sand filling, and the model is likely to be touched by manual sand filling to cause position change, so that the experimental result is influenced. Therefore, it is particularly critical to improve the efficiency of model soil layer filling.
Disclosure of Invention
The invention aims to solve the problems and provides a device and a system which can be fully automatically vibrated and compacted, have high working efficiency and high precision and are easy to operate.
The purpose of the invention can be achieved by adopting the following technical scheme:
a full-automatic sandy soil vibration compacting device and a system are characterized by comprising a model box device, a full-automatic sand pumping device, an infrared sensing device, a movable lower base, an upper base, a full-automatic vibration device, a computer and an electric wire, wherein the model box device is arranged on a base, the full-automatic sand pumping device is connected with a sand containing barrel and the model box in an overlapping mode, the infrared sensing device wraps the model box, the lower base is connected with a spring, the upper base is provided with a groove, the full-automatic vibration device is attached to the bottom surface of the upper base, the computer is used for regulating and controlling the whole system and processing related data, and the electric wire is used for connecting the computer, the infrared device, the vibration device and the sand pumping device; the infrared induction device consists of an infrared wire ring encircling the model box, a control plate which is embedded with the infrared wire ring together and can adjust the height and is connected with a computer, a bolt for adjusting the height of the control plate, a vertical rod for keeping vertical stability and a base; the full-automatic vibrator is a small vibrator and is connected with the infrared sensing device; the full-automatic sand pumping device consists of two sand pipes for connecting a sand containing barrel and a model box and a sand pumping engine connected with a vibration device.
Preferably, the infrared sensing device comprises an infrared ring, a control panel, a vertical rod and a base, the infrared ring encloses the model box, the right side of the infrared ring is embedded with the control panel, the control panel can be connected with a computer, the right side of the control panel is embedded with the vertical rod, the embedded part is fixed by using bolts and the height of the embedded part is kept stable, and the lower part of the vertical rod is connected with the base to be kept horizontal.
Preferably, the mold box base comprises an upper base and a lower base. The upper base comprises four spring bases and a bottom plate consisting of maintenance frames. The maintenance frame of bottom plate forms the recess in the centre for keep the mold box at vibrations process rigid, the spring has been inlayed to the bottom plate bottom, and the round platform base has been inlayed to the spring other end: the lower base seat is positioned below the circular truncated cone base and consists of a bottom plate and six movable wheels, and the lower base seat is convenient to move to a target position.
Preferably, the full-automatic vibrator is a small vibrator, one side of the vibrator is connected with the sand pumping device, the other side of the vibrator is connected with a control board of an infrared sensor, and the vibrator is positioned on the bottom surface of the bottom plate of the upper base.
As a preferred scheme, the mold box is a transparent mold box made of acrylic materials and capable of transmitting infrared rays, and the length, width and height of the transparent mold box are respectively as follows: l is 36m, D is 24m, H is 50m, inlays in the recess of upper base.
As a preferable scheme, the full-automatic sand pumping device comprises a sand pumping pipe, a sand conveying pipe and a sand pumping engine. The sand pumping engine is connected with a computer, senses the mass of the pumped sand and is also connected with a vibrating machine, and the sand pumping engine starts to vibrate after the sand pumping is stopped. The sand pumping pipe is connected with the sand containing barrel and used for pumping sand in the barrel, and the other sand conveying pipe is connected with the model box and used for conveying the pumped sand into the model box.
As a preferable scheme, the computer for regulating and controlling the whole set of system and processing related data is connected with the sand pumping device through an electric wire and is also connected with a control panel of the infrared sensor. Knowing the dimensions of the mold box, the maximum dry density (p) of the sanddmax) And specific gravity (G) of soil particless) According to the required sand compactness and heightTo determine the quality of the sand extraction and the timing of the vibration stop. The specific formula is as follows:
minimum dry Density test of Sand
Figure RE-GSB0000192043690000021
Can find out
Figure RE-GSB0000192043690000022
Minimum dry Density test of Sand
Figure RE-GSB0000192043690000023
Can find out
Figure RE-GSB0000192043690000024
According to the required relative compactness
Figure RE-GSB0000192043690000025
Can yield e ═ emax-Dr·(emax-emin)
The density can be obtained from the obtained void ratio e
Figure RE-GSB0000192043690000026
The mass m ═ ρ V ═ ρ LDh of the extracted sand can be determined from the required sand height h
The implementation of the invention has the following beneficial effects:
1. according to the sand pumping method, the quality of sand pumping is calculated according to the required sand compactness and height by regulating and controlling the whole system and processing a computer of related data, then full-automatic sand pumping is realized, automatic vibration is started after the sand pumping is finished, and the vibration is stopped until the required sand height is reached. The whole process almost only needs to operate on the computer, the difficulty of experiment has been greatly reduced, the precision of experiment has been improved, manual operation's risk has been reduced, the error of experiment has been reduced, the accuracy of experiment has been guaranteed for this test device more can provide accurate experimental data for tunnel simulation, stake soil interaction, the indoor simulation experiment of foundation ditch backfill etc. provides reference value for the construction at scene.
2. Compared with the prior experiment steps, such as manual sand weighing, manual sand loading, manual compaction and the like, the invention greatly reduces the manpower requirement, all the operation steps required by the experiment do not need manual work, the whole process is almost operated by a machine, the operation is convenient and fast, the artificial intelligence is more improved, the work efficiency is improved, and the economic benefit is further increased.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of a full-automatic sand vibration compacting device and system according to the present invention.
Fig. 2 is a front view of a fully automatic sand vibration compacting device and system of the present invention.
FIG. 3 is a rear view of the fully automatic sand vibration compacting apparatus and system of the present invention.
FIG. 4 is a schematic structural view of the sand pumping device of the present invention.
Fig. 5 is a schematic structural view of the upper and lower bases of the present invention.
Fig. 6 is a schematic structural view of the vibration device of the present invention.
Fig. 7 is a schematic structural diagram of the infrared sensing device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1 to 6, the embodiment relates to a full-automatic sand vibration compacting device and system, which comprises a full-automatic sand pumping device 3 overlapping with a sand barrel 1 and a mold box 2, a transparent mold box 2 arranged on a base, a computer 4 for regulating and controlling the whole system and processing related data, an infrared sensing device 8 wrapping the mold box, a lower base 5 capable of moving freely, an upper base 6 connected with a spring and provided with a groove, a full-automatic vibration device 7 attached to the bottom surface of the upper base, and an electric wire 9 for connecting the computer, the infrared device, the vibration device and the sand pumping device. The full-automatic sand pumping device 3 consists of a sand pumping pipe 10 connected with a sand containing barrel, a sand conveying pipe 11 connected with a model box and a sand pumping engine 12 connected with a vibration device; the full-automatic vibrator 7 is a small vibrator 18 and is connected with an infrared sensing device; the infrared induction device consists of an infrared wire ring 23 surrounding the model box, a control plate 21 which is embedded with the infrared wire ring, has adjustable height and is connected with a computer, a bolt 22 for adjusting the height of the control plate, a vertical rod 20 for keeping vertical stability and a base 19.
This experimental apparatus can be according to the relative closely knit degree and the soil layer degree of depth of required simulation soil layer, then under computer 4's calculation, reachs required quality, begins to start and takes out sand device 3, takes out after the sand, just starts vibrator 7 and closely knit, stops vibrations after reaching the high of infrared ray induction system 8 and indicates to automatic whole experiment flow of control. The whole process almost only needs to be operated on the computer, the difficulty of the experiment is greatly reduced, the precision of the experiment is improved, the risk of manual operation is reduced, the error of the experiment is reduced, the accuracy of the experiment is guaranteed, convenience and rapidness are realized, more artificial intelligence is realized, the working efficiency is improved, and the economic benefit is further increased. The testing device can provide accurate experimental data for indoor simulation experiments of tunnel simulation, pile-soil interaction, foundation pit backfilling and the like, and provides reference value for on-site construction.
As shown in fig. 1, fig. 2 and fig. 3, the computer 4 for regulating the whole system and processing the relevant data performs programmed calculation, and transmits data information to the sand pumping device 3 and the infrared sensing device 8 through the line 9 for processing according to the required relative compactness and height of the sand.
As shown in fig. 1 and 4, the fully automatic sand pumping device starts to start after receiving data transmitted from a computer. The sand pumping engine 12 is automatically started to operate, sand is pumped out from the sand filling barrel through the sand pumping pipe 10 and then conveyed into the model box through the sand conveying pipe 11, sand pumping is stopped until the sand with required quality is pumped out, and the sand pumping engine is connected with the vibration device to realize mutual induction.
As shown in fig. 1 and 5, the lower base 5 is composed of a large bottom plate 14 and six wheels 13, which can both make the device move rotationally and bear the force transferred by the upper device. The upper base consists of a base plate 17, the four sides of which are raised to form a groove, which is used for fixing the position of the mould box 2 and preventing the mould box from being displaced due to vibration, and four truncated cone bases 15 with springs.
As shown in fig. 1 and 6, the full-automatic vibrator 7 is automatically turned on after the sand pumping is stopped to level the sand and compact the vibration, the vibrator is connected with the control panel of the infrared sensor through the electric wire 9, and the vibration is stopped when the height of the sand just reaches the surface formed by the infrared rays in the transparent mold box.
As shown in fig. 1 and 7, in the infrared sensor, in order to adjust the height of the infrared ring 23, the bolt 22 is loosened, the infrared ring and the control plate 21 are moved up and down along the vertical rod 20, and the bolt is tightened after the control plate is pulled to a desired height. The infrared ring is then opened and the infrared is directed into the transparent mold box. When the height of the sandy soil is vibrated to the height of the infrared ring and an infrared surface is formed in the model box, the fact that compaction is completed is indicated, and vibration is stopped.
The working principle of the invention is as follows:
firstly, before starting the device, the circuit 9 is connected, the computer 4 is connected with the infrared sensing device 8 and the sand pumping device 3, the sand pumping device is connected with the vibration device 7, and the vibration device is connected with the infrared sensing device. Then starting a computer, and calculating the soil grain specific Gravity (GS) of the sandy soil in the computer according to the relative compactness and the soil layer height of the required sandy soil by a formula as follows:
minimum dry Density test of Sand
Figure RE-GSB0000192043690000041
Can find out
Figure RE-GSB0000192043690000042
Minimum dry Density test of Sand
Figure RE-GSB0000192043690000043
Can find out
Figure RE-GSB0000192043690000044
According to the required relative compactness
Figure RE-GSB0000192043690000045
Can yield e ═ emax-Dr·(emax-emin)
The density can be obtained from the just obtained void ratio e
Figure RE-GSB0000192043690000046
The mass m ═ ρ V ═ ρ LDh of the extracted sand can be determined from the required sand height h
After the required quality of the sand is obtained, the data is transmitted to the sand pumping device and the infrared sensing device, the infrared ring 23 and the control panel 21 are moved to the required height along the upright 20, and then the bolt 22 is tightened to fix the position, so that the infrared rays are emitted into the transparent model box. The sand pumping engine 12 is automatically started to pump out sand from the sand containing barrel 1, and the sand reaches the model box 2 through the sand pumping pipe 10 and the sand conveying pipe 11 until the sand with required quality is pumped out, and then the sand pumping is stopped. The vibrator 18 is then automatically activated to level the sand and begin to vibrate for compaction, and when the sand has vibrated to the level of the infrared loop and an infrared surface is formed in the mold box, the compaction is completed and the vibration is stopped.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims (7)

1. The embodiment relates to a full-automatic sandy soil vibration compacting device and system, which are characterized by comprising a full-automatic sand pumping device 3, a transparent mold box 2, a computer 4, an infrared sensing device 8, a lower base 5, an upper base 6, a full-automatic vibrating device 7 and an electric wire 9, wherein the full-automatic sand pumping device 3 is connected with a sand barrel 1 and the mold box 2 in an overlapping mode, the transparent mold box 2 is arranged on a base, the computer 4 is used for regulating and controlling the whole system and processing relevant data, the infrared sensing device 8 wraps the mold box, the lower base 5 can move freely, the upper base 6 is connected with a spring and is provided with a groove, and the full-automatic vibrating device 7 is attached to the bottom surface of the upper base and is used for connecting a computer, an infrared device, a vibrating device and the sand pumping device. The full-automatic sand pumping device 3 consists of a sand pumping pipe 10 connected with a sand containing barrel, a sand conveying pipe 11 connected with a model box and a sand pumping engine 12 connected with a vibration device; the full-automatic vibrator 7 is a small vibrator 18 and is connected with an infrared sensing device; the infrared induction device consists of an infrared wire ring 23 surrounding the model box, a control plate 21 which is embedded with the infrared wire ring, has adjustable height and is connected with a computer, a bolt 22 for adjusting the height of the control plate, a vertical rod 20 for keeping vertical stability and a base 19.
2. The automatic sand and soil vibrating and compacting device and system as claimed in claim 1, wherein the computer 4 controlling the whole system and processing the related data performs programmed calculation, and transmits the data information to the sand pumping device 3 and the infrared sensing device 8 through the line 9 for processing according to the required relative compactness and height of sand and soil.
3. The apparatus and system as claimed in claim 1, wherein the automatic sand pumping device is started after receiving data from a computer. The sand pumping engine 12 is automatically started to operate, sand is pumped out from the sand containing barrel through the sand pumping pipe 10 and then conveyed into the model box 2 through the sand conveying pipe 11, sand pumping is stopped until sand with required quality is pumped out, and the sand pumping engine and the vibration device are connected with each other to realize mutual induction.
4. The system as claimed in claim 1, wherein the full automatic vibrating device 7 automatically starts vibrating compaction after the sand pumping device stops, the vibrating machine is connected to the control panel of the infrared sensor through the electric wire 9, and stops vibrating when the sand level reaches the level where the infrared ray is formed in the transparent mold box.
5. The automatic sand and soil vibrating and compacting device and system as claimed in claim 1, wherein said lower base 5 is composed of a bottom plate 14 and six wheels 13, and a rotating shaft is provided in the middle of the wheels, so that the device can rotate and move and can bear the force transferred by the upper device.
6. A fully automatic sand and soil vibration compacting device and system according to claim 1, wherein the upper base is composed of a bottom plate 17 with four raised sides to form a groove in the middle and four truncated cone bases 15 with springs, the groove is used for fixing the position of the mould box 2 and preventing the mould box from being displaced due to vibration.
7. The automatic sand and soil vibrating and compacting device and system as claimed in claim 1, wherein said infrared sensor is used to adjust the height of the infrared ring 23, to loosen the bolt 22 embedded in the control panel, to move the infrared ring and the control panel 21 up and down along the vertical rod 20, and to tighten the bolt to a desired height. The infrared ring is then opened and the infrared is directed into the transparent mold box. When the height of the sandy soil is vibrated to the height of the infrared wire ring and an infrared surface is formed in the model box, the compaction is completed, and the vibration is automatically stopped.
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201971429U (en) * 2011-01-17 2011-09-14 中交第三航务工程局有限公司 Automatic metering and conveying system for sand material
CN204639045U (en) * 2015-01-08 2015-09-16 四川三台力达泵业有限公司 Integrated intelligent lost foam casting system
CN107339108A (en) * 2017-06-26 2017-11-10 中铁十二局集团有限公司 The layer of sand location subway pipe shed construction method of underground water enrichment
CN206696126U (en) * 2017-04-05 2017-12-01 深圳市港嘉工程检测有限公司 A kind of automatic sand filling device for filling sand cylinder
CN107764247A (en) * 2017-11-27 2018-03-06 董梦宁 Monitoring sediment instrument and monitoring sediment system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201971429U (en) * 2011-01-17 2011-09-14 中交第三航务工程局有限公司 Automatic metering and conveying system for sand material
CN204639045U (en) * 2015-01-08 2015-09-16 四川三台力达泵业有限公司 Integrated intelligent lost foam casting system
CN206696126U (en) * 2017-04-05 2017-12-01 深圳市港嘉工程检测有限公司 A kind of automatic sand filling device for filling sand cylinder
CN107339108A (en) * 2017-06-26 2017-11-10 中铁十二局集团有限公司 The layer of sand location subway pipe shed construction method of underground water enrichment
CN107764247A (en) * 2017-11-27 2018-03-06 董梦宁 Monitoring sediment instrument and monitoring sediment system

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