CN112030930A - Foundation engineering bores experimental detection device of core - Google Patents
Foundation engineering bores experimental detection device of core Download PDFInfo
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- CN112030930A CN112030930A CN202010773282.4A CN202010773282A CN112030930A CN 112030930 A CN112030930 A CN 112030930A CN 202010773282 A CN202010773282 A CN 202010773282A CN 112030930 A CN112030930 A CN 112030930A
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- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 239000000428 dust Substances 0.000 claims abstract description 125
- 238000005553 drilling Methods 0.000 claims abstract description 73
- 238000012360 testing method Methods 0.000 claims abstract description 40
- 238000009792 diffusion process Methods 0.000 claims abstract description 27
- 230000008602 contraction Effects 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 229910003460 diamond Inorganic materials 0.000 claims description 6
- 239000010432 diamond Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 10
- 238000005070 sampling Methods 0.000 abstract description 6
- 239000002245 particle Substances 0.000 description 9
- 239000002912 waste gas Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000035515 penetration Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
- E02D1/04—Sampling of soil
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention relates to a foundation engineering core drilling test detection device, which comprises a trolley, a drilling device, a detector and a dust removal device, wherein the drilling device, the detector and the dust removal device are arranged on the trolley; the drilling device comprises a drilling machine base, a guide pillar arranged on the drilling machine base, a guide sleeve connected with the guide pillar in a sliding manner, and a power device, a drilling machine motor base, a drilling machine motor and a drill bit which are arranged on the guide sleeve; the dust removal device comprises a dust suction port, an air pipe, a fan, a contraction pipe, a mixing pipe, a diffusion pipe, a dust remover air inlet pipe and a dust remover, wherein the contraction pipe, the mixing pipe, the diffusion pipe, the dust remover air inlet pipe and the dust remover are sequentially connected with an air outlet of the fan. The invention has the advantages that the foundation is drilled and sampled by the arranged drilling device; during drilling, dust is removed through the dust removal device, so that the working environment is improved; and after drilling and sampling, the ground foundation is detected on a detector, and whether the ground foundation meets the national standard or not is judged, so that the method is convenient and fast.
Description
Technical Field
The invention relates to the field of foundation detection, in particular to a detection device for a core drilling test in foundation engineering.
Background
The foundation refers to the soil or rock mass of the supporting foundation under the building. The foundation is divided into a natural foundation and an artificial foundation. The foundation refers to a load-bearing member which is in contact with the foundation at the bottom of the building and is used for transmitting the load of the upper part of the building to the foundation. Common foundations include pile foundations, extended foundations, rebar-free extended foundations and the like.
With the advance of the urbanization process, the more complex the building shape and the higher the layer number, the larger the foundation depth of the building is, and the more important the foundation detection is; common methods for detecting foundation foundations include a core drilling method, a rebound method, a static load test method, a low strain method, a high strain method, a sound wave transmission method, a standard penetration test, a cone dynamic penetration test, a static penetration test, a cross plate shear test and the like.
When adopting the core method of boring to take a sample, because extensive formula construction all is the sample of punching by hand at present, detect after the sample, there is the sample inaccurate, intensity of labour is big, polluted environment scheduling problem.
Therefore, how to design a foundation engineering core drilling test detection device is convenient and durable, and does not pollute the environment, which is the problem that we need to solve at present.
Disclosure of Invention
The invention aims to provide a detection device for a core drilling test of foundation engineering, which can conveniently and quickly perform a core drilling sampling test on a foundation.
In order to solve the problems, the invention adopts the following technical proposal,
a foundation engineering core drilling test detection device comprises a trolley, a drilling device and a detector, wherein the drilling device and the detector are arranged on the trolley;
the drilling device comprises a drilling machine base arranged on the upper surface of the left side of the trolley, a guide pillar arranged on the drilling machine base, a guide sleeve connected with the guide pillar in a sliding manner, a power device arranged on the guide sleeve, a drilling machine motor seat arranged on the right side surface of the guide sleeve, a drilling machine motor arranged on the drilling machine motor seat and a drill bit arranged on an output shaft of the drilling machine motor, wherein a through hole is formed in the middle of the drilling machine motor seat, and the output shaft of the motor penetrates through the through hole to be detachably connected with the drill bit;
the section of the guide pillar is square, and a rack is arranged on the left side surface of the guide pillar; the guide sleeve is of a hollow structure, and a guide sleeve opening is formed in one surface, in contact with the rack, of the guide sleeve.
Furthermore, the detection device also comprises a power device which comprises a gear motor arranged on the guide sleeve and a gear arranged on an output shaft of the motor; the gear penetrates through the guide sleeve opening to be meshed with the rack.
Furthermore, the detection device also comprises a dust removal device, wherein the dust removal device comprises a dust suction port arranged on the lower surface of the trolley, an air pipe with one end communicated with the dust suction port, a fan communicated with the other end of the air pipe, a fan motor arranged on the fan, a contraction pipe with one end communicated with an air outlet of the fan, a mixing pipe with one end communicated with the other end of the contraction pipe, a dust remover air inlet pipe with one end communicated with the other end of the mixing pipe and one end of a diffusion pipe communicated with the other end of the diffusion pipe, a water tank communicated with the mixing pipe and a dust remover communicated with the other end of the dust remover air inlet pipe; the dust remover is fixedly connected to the right side of the upper surface of the trolley, and the fan is fixedly connected to the middle of the upper surface of the trolley.
Further, the hybrid tube include the hybrid tube body, with the communicating pipe of hybrid tube body intercommunication, with the annular water pipe of communicating pipe intercommunication and give the inlet tube that the annular water pipe supplied water, the inlet tube with the water tank intercommunication.
Furthermore, the number of the communicating pipes is 4.
Furthermore, one end of the diffusion pipe for air inlet is conical, the other end of the diffusion pipe for air outlet is cylindrical, the minimum diameter of the interior of the cone a is d4, and the taper of the cone a is c 2; the conical a inner maximum diameter and the cylindrical inner diameter are d 5; the air outlet end of the contraction pipe is a cone b, the minimum diameter of the inner part of the cone b is d3, and the taper of the cone b is c 1'; the diameter of the air inlet section of the mixing pipe is d2, and the diameter of the air outlet section of the mixing pipe is d 1; the diameter of the air inlet pipe of the dust remover is d 6; d 1-d 2-d 3-d 4, c1> c2, and d5> d 6; the conical end a of the diffusion pipe is communicated with one end of the mixing pipe body, and the conical end b of the contraction pipe is communicated with the other end of the mixing pipe body.
Further, the dust remover comprises a dust remover body, an air outlet arranged in the center of the upper end face of the dust remover body and a dust removing port arranged at the lower part of the dust remover body; the section of the dust remover body is circular, the dust remover air inlet pipe is connected with the dust remover body along the tangential direction of the dust remover body, and the dust remover air inlet pipe is arranged on the outer surface of the middle upper part of the dust remover body and communicated with the dust remover body; the dust remover body is arranged on the right side of the upper surface of the trolley.
Further, the drill bit is a diamond drill bit which is of a hollow structure.
The invention has the beneficial effects that:
1. because the diamond drill bit is of a hollow structure, a drilled sample can be left in the drill bit cylinder through the hollow diamond drill bit, and after drilling is finished, the sample is taken out and detected by an instrument;
2. the drill bit can be automatically moved up and down by the meshing of the arranged gear and the rack, so that the labor intensity of a worker for drilling and sampling is reduced, and the labor efficiency is improved;
3. the guide post is designed to be square in section, so that the guide sleeve can move along the designed direction without rotating when sliding on the guide post, and the defect that a guide device is added when the guide sleeve is designed to be round is avoided;
4. the drilling device and the dust removal device are arranged on the trolley, so that the trouble that a plurality of people need to pull and lift the device when the device moves during sampling is avoided, and the moving speed is increased;
5. the dust collector can collect dust generated during drilling and sampling, so that environmental pollution is avoided;
6. the flow speed of the dust-containing waste gas can be improved through the arranged contraction pipe, so that the dust-containing waste gas can flow into the rear mixing pipe at high speed, and the use of the mixing pipe is facilitated;
7. through the design that the diffusion pipe, the mixing pipe and the contraction pipe are connected together, according to the Venturi principle, water for dust fall can enter the mixing pipe without adding extra power, and energy is saved;
8. through the design that the taper of the diffusion pipe is larger than that of the contraction pipe, the time of dust in the contraction pipe can be prolonged, so that dust falling water is combined with fine particles, and large dust particles are prepared to be convenient for collection of a dust remover;
9. through the design that the diameter of the outlet of the diffusion pipe is larger than that of the air inlet pipe of the dust remover, the speed of the dust-containing waste gas can be increased, so that the dust-containing waste gas can enter the dust remover at high speed and is convenient to collect;
10. the dust falling water is uniformly added into the mixing pipe through the four communicating pipes arranged on the mixing pipe body, so that the water is uniformly added, and fine dust particles are convenient to be condensed into large particles under the action of the water;
11. the dust collector comprises a dust collector body, a dust inlet pipe, a dust outlet, a dust collecting pipe and a dust collecting pipe, wherein the dust collecting pipe is arranged along the tangential direction of the dust collector body through the dust collector inlet pipe, and dust particles move to the dust outlet of the dust collector under the vertical action of centrifugal force and gravity after dust-containing waste gas enters the dust collector body and are collected for recycling;
12. before detecting the core drilling sample, processing the core drilling sample to ensure that the core drilling sample is vertical and two end faces are parallel; and detecting the processed core drilling sample by a detector arranged on the trolley, and judging whether the core drilling sample of the foundation is qualified according to the national standard.
Drawings
FIG. 1 is a front view of the present invention in a schematic configuration;
FIG. 2 is an enlarged view of the structure at B of FIG. 1;
FIG. 3 is a schematic left side view of the structure of the guide sleeve;
FIG. 4 is a schematic diagram of a shrink tube;
FIG. 5 is a schematic structural view of a mixing tube;
FIG. 6 is a cross-sectional view taken at A-A of FIG. 5;
FIG. 7 is a schematic structural view of a diffuser tube;
fig. 8 is a schematic structural view of an inlet duct of the dust remover.
The reference numbers in the figures illustrate:
1-a drilling machine base, 2-a dust remover, 3-a trolley, 4-a guide post, 5-a guide sleeve, 6-a gear, 7-a gear motor, 8-a drilling machine motor base, 9-a drilling machine motor, 10-a drill bit, 11-a dust suction port, 12-an air pipe, 13-a fan, 14-a fan motor, 15-a shrinkage pipe, 16-a mixing pipe, 160-an annular water pipe, 161-a communicating pipe, 162-a water inlet pipe, 163-a mixing pipe body, 17-a diffusion pipe, 18-a dust remover air inlet pipe, 19-a detector, 20-an air outlet, 21-a dust outlet, 22-a dust remover body, 23-a water tank, 50-a guide sleeve opening and 80-a through hole.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", left, right, front, rear, etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "one end," and "the other end" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "disposed", "sleeved/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
As shown in fig. 1-8:
a foundation engineering core drilling test detection device comprises a trolley 3, a drilling device, a dust removal device and a detector 19, wherein the drilling device, the dust removal device and the detector are arranged on the trolley 3;
the drilling device comprises a drilling machine base 1 arranged on the upper surface of the left side of the trolley 3, a guide pillar 4 arranged on the drilling machine base 1, a guide sleeve 5 connected with the guide pillar 4 in a sliding manner, a power device arranged on the guide sleeve 5, a drilling machine motor base 8 arranged on the right side surface of the guide sleeve 5, a drilling machine motor 9 arranged on the drilling machine motor base 8 and a drill bit 10 arranged on an output shaft of the drilling machine motor 9, wherein a through hole 80 is formed in the middle of the drilling machine motor base 8, and the output shaft of the motor 9 penetrates through the through hole 80 to be detachably connected with the drill bit 10;
the section of the guide post 4 is square, and a rack is arranged on the left side surface of the guide post 4; the guide sleeve 5 is of a hollow structure, and a guide sleeve opening 50 is formed in one surface, in contact with the rack, of the guide sleeve 5.
The power device comprises a gear motor 7 arranged on the guide sleeve 5 and a gear 6 arranged on an output shaft of the gear motor 7; the gear 6 passes through the guide sleeve opening 50 to be meshed with the rack.
The dust removal device comprises a dust collection port 11 arranged on the lower surface of the trolley 3, an air pipe 12 with one end communicated with the dust collection port 11, a fan 13 communicated with the other end of the air pipe 12, a fan motor 14 arranged on the fan 13, a contraction pipe 15 with one end communicated with an air outlet of the fan 13, a mixing pipe 16 with one end communicated with the other end of the contraction pipe 15, a diffusion pipe 17 with one end communicated with the other end of the mixing pipe 16, a dust remover air inlet pipe 18 with one end communicated with the other end of the diffusion pipe 17, a dust remover 2 communicated with the other end of the dust remover air inlet pipe 18 and a water tank 23 communicated with the mixing pipe 16; the dust remover 2 is fixedly connected to the right side of the upper surface of the trolley 3, the fan 13 is fixedly connected to the middle of the upper surface of the trolley 3, and the water tank 23 is arranged in the middle of the upper surface of the trolley 3.
The mixing pipe 16 comprises a mixing pipe body 163, a communicating pipe 161 communicated with the mixing pipe body 163, and an annular water pipe 160 communicated with the communicating pipe 161; the number of the communicating pipes 161 is 4, the annular water pipe 160 is provided with a water inlet pipe 162, and the water inlet pipe 162 is communicated with the water tank 23; the two ends of the mixing tube body 163 are respectively communicated with the diffusion tube 17 and the contraction tube 15.
The air inlet end of the diffusion pipe 17 is a cone a, the air outlet end of the diffusion pipe 17 is cylindrical, the minimum inner diameter of the cone a is d4, the taper of the cone a is c2, and the maximum inner diameter and the cylindrical inner diameter of the cone a are d 5; the air outlet end of the contraction pipe 15 is a cone b, the minimum inner diameter of the cone b is d3, and the taper of the cone b is c 1'; the inner diameter of the air inlet section end of the mixing pipe 16 is d2, and the inner diameter of the air outlet end of the mixing pipe 16 is d 1; the inner diameter of the air inlet pipe 18 of the dust remover is d 6; d 1-d 2-d 3-d 4, c1> c2, and d5> d 6; the tapered end of the diffusion tube 17 is communicated with one end of the mixing tube body 163, and the tapered end of the contraction tube 15 is communicated with the other end of the mixing tube body 163.
In order to suck the water used for dust fall into the mixing tube 16, the speed of the air flow needs to be increased, the contraction tube 15 is designed to be conical and is closed, and according to the law of conservation of energy, when the area is reduced, the speed of the air is increased, so that the water can be sucked into the mixing tube 16.
In order to increase the contact time of the dustfall water and dust particles, the cone a of the diffusion pipe 17 is designed to be longer than the cone b of the contraction pipe 15, namely the cone c1 is larger than the cone c2, dust is in the diffusion pipe 17, and the dust particles are better combined with the dustfall water to form large particles, so that the dust particles are convenient to collect.
In order to increase the speed of the dust-containing waste gas accelerated to move downwards after entering the dust remover body 22, the diameter of the air inlet pipe 18 of the dust remover is designed to be smaller than the diameter of the outlet of the diffusion pipe 17, so that the speed of the air flow can be increased, dust-containing particles are accelerated to move downwards after entering the dust remover body, and the purpose of quickly collecting dust is achieved.
The dust remover 2 comprises a dust remover body 22, an air outlet 20 arranged at the center of the upper end surface of the dust remover body 22 and a dust removing port 21 arranged at the lower part of the dust remover body 22; the section of the dust remover body 22 is circular, the dust remover air inlet pipe 18 is communicated with the dust remover body 22 along the tangential direction of the dust remover body 22, and the dust remover air inlet pipe 18 is arranged on the outer surface of the middle upper part of the dust remover body 22 and is communicated with the dust remover body 22; the dust remover body 22 is arranged on the right side of the upper surface of the trolley 3.
The drill 10 is a diamond drill, which is a hollow structure. The drilled sample can be left in the drill bit cylinder through the hollow diamond drill bit, and after drilling is finished, the sample is taken out until the detector 19 detects the sample.
The obtained core test piece requires:
1. no steel bar should be contained in the drill core test piece;
2. when the size deviation and the appearance quality of a drill core test piece exceed the following numerical values, the test piece cannot be used as a compressive strength test, namely when the maximum grain size of the drill core concrete coarse aggregate is 0.5 times larger than the average diameter of the drill core test piece; when the height of the drill core is less than 0.95d (d is the average diameter of the drill core test piece) or more than 1.05 d; the difference between any diameter along the height of the drill core and the average diameter is more than 2 mm; the unevenness of the end surface of the core test piece exceeds 0.1mm within the length of 100 mm; the non-perpendicularity of the end face of the core drilling test piece and the axis exceeds 2 degrees; the core bit has cracks or other significant defects.
The detection instrument 19 adopted by the invention is a pressure tester, and the pressure tester can meet the following requirements:
1. the pressure tester has the measurement precision of +/-1% except meeting the technical requirements in the hydraulic pressure tester GB/T3722;
2. the press machine can be continuously loaded without impact and has enough tonnage, and the breaking load of the test piece is preferably more than 20% of the full range of the press machine and less than 80% of the full range of the press machine;
3. the press machine is provided with a loading rate indicating device or a loading control device, the loading rate is determined by calculation according to the design strength of concrete and the size of a test piece, and the press machine is not suitable for loading uniformly and continuously;
4. the pressing plate of the press machine has enough rigidity, the ball seat is flexible and portable, and the plate surface is flat and smooth;
5. the diameter of the pressure bearing plate is not less than the pressure bearing area of the sample, the thickness is not less than 25mm, the planeness tolerance of the pressure bearing surface is 0.04mm, and the surface hardness is not less than 55 HRC;
6. the main equipment and instruments of the test should be calibrated, checked and used within the valid period.
Placing the obtained qualified drill core test piece on a press machine, and operating according to the operating specification of the press machine; the compression strength test of the qualified drill core test piece is carried out according to the relevant regulations of the existing national standard GB/T50081 of the test method for mechanical properties of common concrete. When the designed compressive strength of the concrete drill core is more than or equal to 20MPa, the test piece is soaked in clear water at 20 ℃ and 5 ℃ for 40-48 h, and the test piece is taken out of the clear water and immediately subjected to a compressive test; the cement soil drill core should be kept in a natural humidity state, and when the drill core test piece is manufactured, a compressive strength test can be immediately carried out.
The working process of the device is as follows:
pushing the trolley 3 to a position where a foundation needs to be subjected to a core drilling test, starting a drilling machine motor 9, starting a fan motor 14, starting a gear motor 7 to enable a drill bit 10 to drill downwards, and leading dust generated by drilling into the dust remover 2 by a fan 13 through an air pipe 8, a contraction pipe 15, a mixing pipe 16, a diffusion pipe 17 and a dust remover air inlet pipe 18 in sequence; and after sampling, reversing the gear motor 7, taking the drill bit 10 out of the hole, stopping various motors, taking the foundation base sample for drilling out of the drill bit 10, placing the foundation base sample on a detector 19 for detection, and judging whether the core drilling test of the foundation base is qualified according to national specifications.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a foundation engineering bores experimental detection device of core which characterized in that: comprises a trolley (3), a drilling device arranged on the trolley (3) and a detector (19) arranged on the trolley (3);
the drilling device comprises a drilling machine base (1) arranged on the upper surface of the left side of the trolley (3), a guide pillar (4) arranged on the drilling machine base (1), a guide sleeve (5) connected with the guide pillar (4) in a sliding manner, a power device arranged on the guide sleeve (5), a drilling machine motor base (8) arranged on the right side surface of the guide sleeve (5), a drilling machine motor (9) arranged on the drilling machine motor base (8) and a drill bit (10) arranged on an output shaft of the drilling machine motor (9), wherein a through hole (80) is formed in the middle of the drilling machine motor base (8), and the output shaft of the motor (9) penetrates through the through hole (80) to be detachably connected with the drill bit (10);
the cross section of the guide post (4) is square; the guide sleeve (5) is of a hollow structure.
2. The foundation engineering core drilling test detection device of claim 1, wherein: the power device comprises a gear motor (7) arranged on the guide sleeve (5) and a gear (6) arranged on an output shaft of the gear motor (7); the left side surface of the guide post (4) is provided with a rack; a guide sleeve opening (50) is formed in one surface, which is in contact with the rack, of the guide sleeve (5); the gear (6) penetrates through the guide sleeve opening (50) to be meshed with the rack.
3. The foundation engineering core drilling test detection device of claim 1, wherein: the dust collector comprises a dust suction port (11) arranged on the lower surface of the trolley (3), an air pipe (12) with one end communicated with the dust suction port (11), a fan (13) communicated with the other end of the air pipe (12) and used for sucking air, a contraction pipe (15) with one end communicated with an air outlet of the fan (13), a mixing pipe (16) with one end communicated with the other end of the contraction pipe (15), a diffusion pipe (17) with one end communicated with the other end of the mixing pipe (16), a dust collector air inlet pipe (18) with one end communicated with the other end of the diffusion pipe (17), a dust collector (2) communicated with the other end of the dust collector air inlet pipe (18) and a water tank (23) communicated with the mixing pipe (16); the dust remover (2) is fixedly connected to the right side of the upper surface of the trolley (3), and the fan (13) is fixedly connected to the middle of the upper surface of the trolley (3).
4. The foundation engineering core drilling test detection device of claim 3, wherein: the mixing pipe (16) comprises a mixing pipe body (163), a communicating pipe (161) communicated with the mixing pipe body (163), an annular water pipe (160) communicated with the communicating pipe (161), and a water inlet pipe (162) communicated with the annular water pipe (160); the water inlet pipe (162) is communicated with the water tank (23), and two ends of the mixing pipe body (163) are respectively communicated with the diffusion pipe (17) and the shrinkage pipe (15).
5. The foundation engineering core drilling test detection device of claim 4, wherein: the number of the communicating pipes (161) is 4.
6. The foundation engineering core drilling test detection device of claim 4, wherein: the air inlet end of the diffusion pipe (17) is internally provided with a conical a, the air outlet end of the diffusion pipe (17) is internally provided with a cylindrical shape, the minimum inner diameter of the conical a is d4, and the taper of the conical a is c 2; the tapered a largest inner diameter and the cylindrical inner diameter are d 5; the inner part of one end of the air outlet of the contraction pipe (15) is a cone b, the minimum inner diameter of the cone b is d3, and the taper of the cone b is c 1; the section of the mixing pipe (16) is circular, the inner diameter of an air inlet of the mixing pipe (16) is d2, and the inner diameter of an air outlet of the mixing pipe (16) is d 1; the inner diameter of the air inlet pipe (18) of the dust remover is d 6; d 1-d 2-d 3-d 4, c1> c2, and d5> d 6; the conical end of the diffusion pipe (17) is communicated with one end of the mixing pipe body (163), and the conical end of the contraction pipe (15) is communicated with the other end of the mixing pipe body (163).
7. The foundation engineering core drilling test detection device of claim 3, wherein: the dust remover (2) comprises a dust remover body (22), an air outlet (20) arranged at the center of the upper end surface of the dust remover body (22) and a dust removing port (21) arranged at the lower part of the dust remover body (22); the section of the dust remover body (22) is circular, the dust remover air inlet pipe (18) is communicated with the dust remover body (22) along the tangential direction of the cross section of the dust remover body (22), and the dust remover air inlet pipe (18) is arranged on the outer surface of the middle upper part of the dust remover body (22); the dust remover body (22) is arranged on the right side of the upper surface of the trolley (3).
8. The foundation engineering core drilling test detection device of claim 1, wherein: the drill bit (10) is a diamond drill bit which is of a hollow structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010773282.4A CN112030930A (en) | 2020-08-04 | 2020-08-04 | Foundation engineering bores experimental detection device of core |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010773282.4A CN112030930A (en) | 2020-08-04 | 2020-08-04 | Foundation engineering bores experimental detection device of core |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103611379A (en) * | 2013-11-20 | 2014-03-05 | 周敏 | Dust remover |
| CN203724963U (en) * | 2014-01-23 | 2014-07-23 | 南通明诺机械有限公司 | All-weather wet type dust removing device for sweeper |
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| CN210370514U (en) * | 2019-05-14 | 2020-04-21 | 杭州圣基建筑特种工程有限公司 | Existing super thick cushion cap toper pile pressing hole pore-forming frock |
| CN210464989U (en) * | 2019-07-24 | 2020-05-05 | 南通恒一岩土工程勘察有限公司 | Core drilling method core drilling machine capable of improving test accuracy |
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2020
- 2020-08-04 CN CN202010773282.4A patent/CN112030930A/en active Pending
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|---|---|---|---|---|
| CN103611379A (en) * | 2013-11-20 | 2014-03-05 | 周敏 | Dust remover |
| CN203724963U (en) * | 2014-01-23 | 2014-07-23 | 南通明诺机械有限公司 | All-weather wet type dust removing device for sweeper |
| CN205362179U (en) * | 2016-01-21 | 2016-07-06 | 东阳北极秀服装有限公司 | High -efficient printing and dyeing dust remover |
| CN108627362A (en) * | 2018-05-09 | 2018-10-09 | 刘明亮 | A kind of concrete core sample method ruggedness test coring device |
| CN210370514U (en) * | 2019-05-14 | 2020-04-21 | 杭州圣基建筑特种工程有限公司 | Existing super thick cushion cap toper pile pressing hole pore-forming frock |
| CN210464989U (en) * | 2019-07-24 | 2020-05-05 | 南通恒一岩土工程勘察有限公司 | Core drilling method core drilling machine capable of improving test accuracy |
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