CN114164872B - Sampling device for detecting construction quality of cement mixing pile and operation method thereof - Google Patents

Sampling device for detecting construction quality of cement mixing pile and operation method thereof Download PDF

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Publication number
CN114164872B
CN114164872B CN202111399343.6A CN202111399343A CN114164872B CN 114164872 B CN114164872 B CN 114164872B CN 202111399343 A CN202111399343 A CN 202111399343A CN 114164872 B CN114164872 B CN 114164872B
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Prior art keywords
driving
probe rod
support
guide cylinder
slide bars
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CN202111399343.6A
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CN114164872A (en
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丁进
刘杰
赵成博
杨林峰
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Tianjin Jinfan Engineering Construction Supervision Co ltd
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Tianjin Jinfan Engineering Construction Supervision Co ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D33/00Testing foundations or foundation structures

Abstract

The utility model relates to a sampling device for cement mixing stake construction quality detects, it includes the support, be provided with the positioning subassembly on the support, the positioning subassembly is including two slide bars that are the criss-cross setting, the tip of slide bar is provided with and is used for ordering about the positioning piece that the slide bar removed along perpendicular to self length direction, the vertical draw hole of having seted up of length direction of slide bar on the slide bar, the draw hole runs through slide bar top surface and bottom surface, two vertically wear to be equipped with a guide cylinder between the draw hole, the guide cylinder slides with two slide bars and is connected, the probe rod that is used for collecting the sample is worn to be equipped with by the activity in the guide cylinder. This application has the effect of promoting the sample detection scope.

Description

Sampling device for detecting construction quality of cement mixing pile and operation method thereof
Technical Field
The application relates to the field of cement mixing pile quality detection technology, in particular to a sampling device for detecting construction quality of a cement mixing pile and an operation method of the sampling device.
Background
The cement mixing pile is a form of soft foundation treatment, and is a main agent using cement as curing agent, and the cement is sprayed into soil body by means of mixing pile and fully stirred so as to make cement and soil produce a series of physical and chemical reactions, and make the soft soil hardened and raise foundation strength. The cement mixing pile forcibly mixes the cement paste pressed into the soft soil with the surrounding soft soil by using a rotating mixing blade to form a mud reinforcing body.
After the cement is stirred in the stirring pile, sampling detection needs to be carried out on the cement. Relevant art for example chinese utility model that publication number is CN213741257U discloses a sampling device for cement mixing pile construction quality detects, and it includes mixing pile body, mounting bracket, mounting groove, first threaded rod, installation piece, fixed block, pneumatic cylinder, cavity, storage mud ware and connecting pipe.
Mounting bracket movable mounting is in on the stirring stake body, the mounting groove is seted up on the mounting bracket, first threaded rod rotates to be installed in the mounting groove, just outside the one end of first threaded rod extended to the mounting groove, installation piece screw thread is installed on the first threaded rod, pneumatic cylinder fixed mounting be in on the installation piece, the fixed block fixed mounting be in on the output shaft of pneumatic cylinder, the cavity is seted up on the fixed block, store up mud ware fixed mounting be in on the fixed block, connecting pipe fixed mounting is on storing up the mud ware, just connecting pipe and storage mud ware intercommunication.
In view of the above-mentioned related art, the inventor believes that the planar movement direction of the sludge storage device is only along the length direction of the first threaded rod, and the planar movement range is limited, resulting in a limited sampling inspection range.
Disclosure of Invention
In order to improve the sampling detection range, the application provides a sampling device for detecting the construction quality of a cement mixing pile and an operation method thereof.
First aspect, the application provides a sampling device for cement mixing stake construction quality detects adopts following technical scheme:
the utility model provides a sampling device for cement mixing stake construction quality detects, includes the support, be provided with the positioning subassembly on the support, the positioning subassembly is including two slide bars that are the criss-cross setting, the tip of slide bar is provided with and is used for ordering about the positioning piece that the slide bar removed along perpendicular to self length direction, the vertical draw hole of having seted up of length direction along the slide bar on the slide bar, the draw hole runs through slide bar top surface and bottom surface, two vertically between the draw hole wears to be equipped with a guide cylinder, the guide cylinder slides with two slide bars and is connected, the probe rod that is used for collecting the sample is worn to be equipped with in the guide cylinder internalization.
Through adopting above-mentioned technical scheme, two slide bars of staff control move on the equidirectional not to change the plane position of guide cylinder, the sample scope of probe rod changes thereupon, compares in correlation technique, and the sampling device of this application has effectively promoted the sample detection scope.
Optionally, the probe rod is of a tubular structure, the top end of the probe rod is connected with a vacuum pump, a baffle ring and an absorbing plate are arranged in the probe rod, the baffle ring is fixedly connected to the inner wall of the probe rod, and the absorbing plate is arranged below the baffle ring in a sliding manner.
Through adopting above-mentioned technical scheme, after opening the vacuum pump, the inside vacuum that forms of probe rod, suction disc rebound back butt fender ring, sample get into the probe rod in the cement mixing stake, the sample is simple, swift.
Optionally, the sampling device further comprises a driving assembly for driving the probe rod to move up and down, the driving assembly comprises a containing box, the containing box is arranged at the end part of the guide cylinder, a plurality of driving wheels are arranged in the containing box, the driving wheels are abutted against the probe rod, a driving motor for driving the driving wheels to rotate is arranged outside the containing box, and an output shaft of the driving motor is connected with the driving wheels through a transmission piece.
Through adopting above-mentioned technical scheme, driving motor orders about the drive wheel and rotates, and the drive wheel orders about probe rod axial displacement, makes the automatic rising of probe rod or descend, and is easy and simple to handle, and sampling efficiency is high.
Optionally, the driving wheel includes the rim plate, even rigid coupling has a plurality of connecting rod on the rim plate perisporium, the one end rigid coupling that the rim plate was kept away from to the connecting rod has the push pedal that is used for butt probe rod.
Through adopting above-mentioned technical scheme, the push pedal contacts with the probe rod, is favorable to reducing the adhering amount of dregs on the drive wheel.
Optionally, four pairs of lug plates that are the rectangle and lay are set up in the containing box, and every right it is connected with a pivot to rotate on the lug plate, the rigid coupling is established in the pivot to the drive wheel cover, the both ends of pivot rigid coupling respectively have a bevel gear, adjacent two bevel gear meshing is connected.
Through adopting above-mentioned technical scheme, the bevel gear transmission makes four drive wheels synchronous rotations, makes the more stable removal of probe rod.
Optionally, the transmission member includes a transmission shaft coaxially and fixedly connected to a bevel gear, and the transmission shaft is rotatably inserted into the accommodating box and connected to the driving motor through a flexible shaft.
By adopting the technical scheme, the driving motor can be placed at any position after the flexible shaft is used, so that the flexible shaft is convenient to adapt to the field environment.
Optionally, the position adjusting part is a rodless cylinder.
By adopting the technical scheme, the rodless cylinder is stable in performance and simple and convenient to operate.
Optionally, the support includes the landing leg of at least three vertical setting, adjacent two the rigid coupling has the stull between the landing leg, one side that the stull is close to the probe rod is provided with the brush hair area.
Through adopting above-mentioned technical scheme, the dregs that the probe rod carried are clear away to the brush hair, reduce the adverse effect of dregs to drive assembly.
Optionally, the bottom end of the supporting leg is provided with wheels, a cantilever frame is arranged on the side wall of the supporting leg, an installation cylinder is vertically arranged on the cantilever frame, and a wedge is movably arranged in the installation cylinder in a penetrating mode.
Through adopting above-mentioned technical scheme, set up the wheel and be convenient for remove sampling device, set up in the wedge and be convenient for fixed sampling device.
In a second aspect, the application provides an operating method of a sampling device for detecting the construction quality of a cement mixing pile, which adopts the following technical scheme:
s1, fixing a support, namely fixing the support above a cement mixing pile;
s2, determining a sampling position, and adjusting the position of the slide rod through the position adjusting piece so as to adjust the plane position of the guide cylinder;
s3, driving the probe rod to move downwards;
s4, collecting samples;
and S5, driving the probe rod to move upwards.
By adopting the technical scheme, the sampling device is simple and convenient to operate.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the staff controls the two sliding rods to move in different directions, so that the plane position of the guide cylinder is changed, the sampling range of the probe rod is changed accordingly, and compared with the related technology, the sampling device effectively improves the sampling detection range;
2. after the vacuum pump is started, the interior of the probe rod is vacuumized, the suction plate moves upwards and then abuts against the retaining ring, and a sample in the cement mixing pile enters the probe rod, so that the sampling is simple and rapid;
3. the driving motor drives the driving wheel to rotate, the driving wheel drives the probe rod to move axially, the probe rod is enabled to automatically ascend or descend, the operation is simple and convenient, and the sampling efficiency is high.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic diagram illustrating the fit relationship between the guide cylinder and the slide rod.
Fig. 3 is a sectional view showing the internal structure of the slide bar.
Fig. 4 is a cross-sectional view showing the drive assembly.
Fig. 5 is a schematic view of the structure of the driving wheel.
FIG. 6 is a flow chart of a method of operating a sampling device.
Description of reference numerals: 1. a support; 10. a support leg; 11. a wheel; 12. a cross brace; 120. a bristle field; 13. a cantilever frame; 14. mounting the cylinder; 15. a wedge; 2. a positioning component; 20. a rodless cylinder; 21. a slide bar; 210. a slide hole; 22. a guide cylinder; 220. a baffle plate; 3. a probe rod; 30. a vacuum pump; 31. a baffle ring; 32. sucking a plate; 4. a drive assembly; 40. an accommodating box; 41. an ear plate; 42. a rotating shaft; 43. a drive wheel; 430. a wheel disc; 431. a connecting rod; 432. pushing the plate; 44. a bevel gear; 440. a drive shaft; 45. a drive motor; 450. a flexible shaft.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses a sampling device for detecting construction quality of a cement mixing pile and an operation method thereof.
Referring to fig. 1, a sampling device for cement mixing pile construction quality detection includes support 1, set up positioning assembly 2 on support 1, set up probe rod 3 on positioning assembly 2 to and be used for ordering about probe rod 3 drive assembly 4 that reciprocates.
The support 1 is erected right above the cement mixing pile. Referring to fig. 1, the support 1 includes four support legs 10 arranged in a rectangular shape, and the support legs 10 are vertically arranged; wheels 11 are mounted at the bottom ends of the supporting legs 10, and the wheels 11 in the embodiment are universal wheels; a cross brace 12 is vertically and fixedly connected between two adjacent support legs 10, and the cross brace 12 plays a role in connection and support.
A cantilever frame 13 is further hinged on the side wall of each supporting leg 10, the cantilever frame 13 is vertically arranged, and the cantilever frame 13 in the embodiment is a tripod; an installation cylinder 14 is vertically and fixedly connected to one end of the cantilever 13 far away from the supporting leg 10; a wedge 15 is movably arranged in the mounting cylinder 14 in a penetrating way; after the support 1 is moved to a designated position, the worker can carry the wedge 15 into the soil body, thereby fixing the support 1.
Referring to fig. 1 and 2, the positioning assembly 2 includes four positioning members, the four positioning members surround to form a rectangular frame-shaped structure, the positioning member in this embodiment is a rodless cylinder 20, and in other examples, the positioning member may also be an electric push rod, a lead screw and slider combination, or other driving structures.
The rodless cylinder 20 is fixedly connected between the top ends of the two adjacent supporting legs 10; a sliding rod 21 is arranged between the two rodless cylinders 20 which are oppositely arranged, and the number of the sliding rods 21 is two; a sliding hole 210 is vertically formed in the sliding rod 21 along the length direction of the sliding rod 21, and the sliding hole 210 penetrates through the top surface and the bottom surface of the sliding rod 21; a guide cylinder 22 vertically penetrates between the upper slide hole 210 and the lower slide hole 210, and the two slide bars 21 can drive the guide cylinder 22 to move within a plane range by moving.
A baffle 220 is respectively and vertically fixedly connected to the top end and the bottom end of the guide cylinder 22; the baffle 220 positioned above is attached to the top surface of the slide rod 21 positioned above, so that the guide cylinder 22 is limited to move downwards; the lower stopper 220 abuts against the bottom surface of the lower slide rod 21, thereby restricting the upward movement of the guide cylinder 22.
Referring to fig. 2 and 3, the probe rod 3 is a tubular structure and movably penetrates through the two baffles 220 and the guide cylinder 22; referring to fig. 1 and 3, a vacuum pump 30 for vacuum pumping is connected to the top end of the probe 3 through a conduit; a blocking ring 31 and an absorbing plate 32 are arranged in the probe rod 3, the blocking ring 31 is fixedly connected to the inner wall of the probe rod 3, the absorbing plate 32 is located below the blocking ring 31 and is arranged in the probe rod 3 in a sliding mode, and the moving range of the absorbing plate 32 is between the opening at the bottom end of the probe rod 3 and the blocking ring 31.
Referring to fig. 1 and 4, the driving assembly 4 includes a containing box 40, and the containing box 40 is fixedly connected to the top surface of the baffle 220 located above; four pairs of ear plates 41 are fixedly connected in the accommodating box 40, and the four pairs of ear plates 41 are arranged in a rectangular shape; a rotating shaft 42 is rotatably connected in each pair of ear plates 41; a driving wheel 43 is coaxially sleeved and fixedly connected to the middle of the rotating shaft 42.
Referring to fig. 4 and 5, the driving wheel 43 includes a wheel disc 430 fixedly connected to the rotating shaft 42, a plurality of pairs of connecting rods 431 are uniformly fixedly connected to the peripheral wall of the wheel disc 430, a push plate 432 is fixedly connected to one end of each pair of connecting rods 431 far away from the wheel disc 430, the push plate 432 is an arc-shaped plate and is matched with the radian of the peripheral wall of the probe rod 3, and when the wheel disc 430 rotates, the push plate 432 pushes the probe rod 3 to move.
Two ends of the rotating shaft 42 are respectively fixedly connected with a bevel gear 44, and the bevel gears 44 on two adjacent rotating shafts 42 are meshed with each other, so that the four driving wheels 43 synchronously rotate; one of the bevel gears 44 is coaxially and fixedly connected with a transmission shaft 440, the transmission shaft 440 is rotatably inserted into the accommodating box 40, a driving motor 45 is arranged outside the accommodating box 40, a flexible shaft 450 is connected between the driving motor 45 and the transmission shaft 440, and the driving motor 45 drives the transmission shaft 440 to rotate through the flexible shaft 450.
Referring to fig. 1, in order to reduce the adverse effect of the soil residue brought by the probe 3 out of the cement mixing pile on the driving assembly 4, a bristle field 120 is further disposed on one side of each cross brace 12 close to the probe 3, the bristle field 120 is in the shape of an isosceles triangle and is totally four, the four bristle fields 120 form a rectangular area, and the length direction of each bristle is perpendicular to the length direction of the connected cross brace 12.
The embodiment of the application also discloses a sampling device operation method for detecting the construction quality of the cement mixing pile. Referring to fig. 6, a sampling device for detecting construction quality of a cement mixing pile and an operation method thereof includes the following steps:
s1, fixing a support 1, moving the support 1 above a cement mixing pile, and fixing the support 1 by using a wedge 15;
s2, determining a sampling position, driving the sliding rod 21 to move by controlling the rodless cylinder 20, thereby determining the plane position of the guide cylinder 22 and determining the sampling position;
s3, driving the feeler lever 3 to move downwards, starting the driving motor 45, transmitting power to the driving wheel 43 by the driving motor 45 through the flexible shaft 450, the transmission shaft 440, the bevel gear 44 and the rotating shaft 42 in sequence, and driving the feeler lever 3 to move by the driving wheel 43;
s4, collecting a sample, starting a vacuum pump 30, enabling a cavity above the suction plate 32 to be vacuumized, enabling the suction plate 32 to move upwards, and extracting the sample to enter the probe rod 3;
and S5, driving the probe rod 3 to move upwards, and controlling the driving motor 45 to rotate reversely.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (2)

1. The utility model provides a sampling device for cement mixing stake construction quality detects which characterized in that: the sample collection device comprises a support (1), wherein a position adjusting assembly (2) is arranged on the support (1), the position adjusting assembly (2) comprises two slide bars (21) which are arranged in a cross manner, a position adjusting part for driving the slide bars (21) to move in a direction perpendicular to the length direction of the slide bars (21) is arranged at the end parts of the slide bars (21), slide holes (210) are vertically formed in the slide bars (21) in the length direction of the slide bars (21), the slide holes (210) penetrate through the top surface and the bottom surface of the slide bars (21), a guide cylinder (22) vertically penetrates between the two slide holes (210), the guide cylinder (22) is connected with the two slide bars (21) in a sliding manner, and a detecting rod (3) for collecting samples is movably penetrated in the guide cylinder (22); the probe rod (3) is of a tubular structure, the top end of the probe rod (3) is connected with a vacuum pump (30), a baffle ring (31) and an absorption plate (32) are arranged in the probe rod (3), the baffle ring (31) is fixedly connected to the inner wall of the probe rod (3), and the absorption plate (32) is arranged below the baffle ring (31) in a sliding manner; the sampling device further comprises a driving assembly (4) for driving the probe rod (3) to move up and down, the driving assembly (4) comprises an accommodating box (40), the accommodating box (40) is arranged at the end part of the guide cylinder (22), a plurality of driving wheels (43) are arranged in the accommodating box (40), the driving wheels (43) are abutted against the probe rod (3), a driving motor (45) for driving the driving wheels (43) to rotate is arranged outside the accommodating box (40), and an output shaft of the driving motor (45) is connected with the driving wheels (43) through a transmission piece; the driving wheel (43) comprises a wheel disc (430), a plurality of connecting rods (431) are uniformly and fixedly connected to the peripheral wall of the wheel disc (430), and a push plate (432) used for abutting against the probe rod (3) is fixedly connected to one end, far away from the wheel disc (430), of each connecting rod (431); four pairs of lug plates (41) which are arranged in a rectangular shape are arranged in the accommodating box (40), each pair of lug plates (41) is rotatably connected with a rotating shaft (42), the driving wheel (43) is fixedly sleeved on the rotating shaft (42), two ends of the rotating shaft (42) are respectively and fixedly connected with a bevel gear (44), and two adjacent bevel gears (44) are meshed and connected; the transmission piece comprises a transmission shaft (440) coaxially and fixedly connected to a bevel gear (44), and the transmission shaft (440) is rotatably arranged in the accommodating box (40) in a penetrating way and is connected with the driving motor (45) through a flexible shaft (450); the position adjusting piece is a rodless cylinder (20); the support (1) comprises at least three vertically arranged support legs (10), a cross brace (12) is fixedly connected between every two adjacent support legs (10), and a bristle area (120) is arranged on one side, close to the probe rod (3), of the cross brace (12); the bottom end of the supporting leg (10) is provided with wheels (11), a cantilever frame (13) is arranged on the side wall of the supporting leg (10), an installation cylinder (14) is vertically arranged on the cantilever frame (13), and a wedge (15) is movably arranged in the installation cylinder (14) in a penetrating mode.
2. An operating method using the sampling device of claim 1, characterized in that: the method comprises the following steps:
s1, fixing a support (1), and fixing the support (1) above a cement mixing pile;
s2, determining a sampling position, and adjusting the position of the sliding rod (21) through a position adjusting piece so as to adjust the plane position of the guide cylinder (22);
s3, driving the probe rod (3) to move downwards;
s4, collecting a sample;
s5, driving the probe rod (3) to move upwards.
CN202111399343.6A 2021-11-19 2021-11-19 Sampling device for detecting construction quality of cement mixing pile and operation method thereof Active CN114164872B (en)

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Application Number Priority Date Filing Date Title
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CN114164872B true CN114164872B (en) 2023-03-10

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007225290A (en) * 2006-02-21 2007-09-06 Sanyo Chem Ind Ltd Collector for granular sample
CN111571719A (en) * 2020-06-18 2020-08-25 吴阳 Perforating device with locate function for construction
CN211347473U (en) * 2019-12-25 2020-08-25 南京工业大学 A coring device for experimental detection of cement mixing pile
CN213749178U (en) * 2020-11-27 2021-07-20 张志强 A coring device for experimental detection of cement mixing pile
CN213741257U (en) * 2020-10-08 2021-07-20 蔡朋 A sampling device for cement mixing stake construction quality detects

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007225290A (en) * 2006-02-21 2007-09-06 Sanyo Chem Ind Ltd Collector for granular sample
CN211347473U (en) * 2019-12-25 2020-08-25 南京工业大学 A coring device for experimental detection of cement mixing pile
CN111571719A (en) * 2020-06-18 2020-08-25 吴阳 Perforating device with locate function for construction
CN213741257U (en) * 2020-10-08 2021-07-20 蔡朋 A sampling device for cement mixing stake construction quality detects
CN213749178U (en) * 2020-11-27 2021-07-20 张志强 A coring device for experimental detection of cement mixing pile

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