CN112033734B - High-precision in-service concrete strength rapid detection equipment - Google Patents
High-precision in-service concrete strength rapid detection equipment Download PDFInfo
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- CN112033734B CN112033734B CN202010972428.8A CN202010972428A CN112033734B CN 112033734 B CN112033734 B CN 112033734B CN 202010972428 A CN202010972428 A CN 202010972428A CN 112033734 B CN112033734 B CN 112033734B
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- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 239000002002 slurry Substances 0.000 claims abstract description 67
- 230000001502 supplementing effect Effects 0.000 claims abstract description 38
- 238000005498 polishing Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 238000003491 array Methods 0.000 claims description 3
- 230000003020 moisturizing effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 1
- 238000012031 short term test Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000005553 drilling Methods 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006333 epoxy cement Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011433 polymer cement mortar Substances 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
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses high-precision in-service concrete strength rapid detection equipment, which relates to the technical field of concrete strength detection and comprises a base, a slurry supplementing tank, a height adjusting seat and a base, wherein the slurry supplementing tank and the height adjusting seat are both fixed on the base, the height adjusting seat is also connected with the base in a manner of being capable of being adjusted up and down by adopting a screw-nut pair, and a stem detector is further arranged on the base; a rotary motor is fixed in the base, a rotary arm is fixed at the output end of the rotary motor, a follower arm is hinged at the other end of the rotary arm, and a coring assembly is arranged on the follower arm; the coring assembly can core in-service concrete, and simultaneously level the upper surface and the lower surface of the core column taken out, wherein the coring assembly can polish and repair slurry and level the core column end face exposed to the outside, and cut and level the core column end face hidden in the inside.
Description
Technical Field
The invention relates to the technical field of concrete strength detection, in particular to high-precision in-service concrete strength rapid detection equipment.
Background
The method has important significance for detecting the in-service concrete, potential hidden dangers of the in-service concrete can be found, so that accidents are avoided from the source, the current detection method for the concrete comprises a rebound method, an ultrasonic method, a core drilling method and the like, the core drilling method is required to carry out core drilling treatment on the in-service concrete, a core column detector is utilized to carry out strength detection after the core column is taken out, however, as the core column is difficult to separate from the in-service concrete, the two end faces of the core column are still uneven after separation, the overall core drilling effect is poor, the core drilling efficiency is low, and the detection accuracy is influenced.
Therefore, it is necessary to provide a high-precision in-service concrete strength rapid detection device to solve the problems set forth in the background art.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: the high-precision in-service concrete strength rapid detection device comprises a base, a slurry supplementing tank, a height adjusting seat and a base, wherein the slurry supplementing tank and the height adjusting seat are both fixed on the base, the height adjusting seat is further connected with the base in an up-down adjustable manner by adopting a screw nut pair, and a core column detector is further arranged on the base;
a rotary motor is fixed in the base, a rotary arm is fixed at the output end of the rotary motor, a follower arm is hinged at the other end of the rotary arm, and a coring assembly is arranged on the follower arm;
the coring assembly can core in-service concrete, and simultaneously level the upper surface and the lower surface of the core column taken out, wherein the coring assembly can polish and repair slurry and level the core column end face exposed to the outside, and cut and level the core column end face hidden in the inside.
Further, preferably, a telescopic adjusting cylinder is hinged to the middle of the rotating arm, and the other end of the telescopic adjusting cylinder is hinged to the middle of the follower arm, so that the follower arm is driven to conduct angle adjustment around the rotating arm through telescopic driving of the telescopic adjusting cylinder, and therefore in-service concrete in different positions can be adapted.
Further, as the preference, the coring assembly includes pivot, connection pad, core section of thick bamboo and coring bit, wherein, the connection pad is coaxial to be fixed in the one end of pivot, the pivot is driven by the coring motor of fixing on the follower arm and rotates, the outside coaxial fixed cover of connection pad is equipped with the core section of thick bamboo, the other end of core section of thick bamboo adopts the coaxial core bit that is fixed with of ring seat.
Further, preferably, a separating blade that can be extended and contracted in the radial direction of the core barrel is fitted in the ring seat, and the separating blade can be extended to the center axis position of the core barrel.
Further, preferably, one end of the connecting disc far away from the rotating shaft is coaxially attached with a leveling grinding disc;
the leveling polishing disc comprises a disc body, wherein the disc body is of a cavity structure, a plurality of slurry supplementing holes are formed in the upper surface and the lower surface of the disc body, and the slurry supplementing holes are distributed in a plurality of groups of circumferential arrays;
and a plurality of groups of sparse holes are uniformly distributed on the connecting disc.
Further, as an optimization, the device further comprises a slurry supplementing and leveling assembly, wherein the slurry supplementing and leveling assembly comprises a slurry supplementing seat, a sealing ring seat, a fine grinding sleeve and a guide cylinder, the slurry supplementing seat is fixedly embedded in the mounting seat, one side of the slurry supplementing seat is provided with a slurry supplementing port, the slurry supplementing port is connected with a slurry supplementing tank through a hose, and the top of the slurry supplementing seat is inwards sunken to form a limiting cylinder capable of passing through the rotating shaft;
the bottom of mending thick liquid seat is embedded to have the guide cylinder of fixing in the mount pad, the through-hole has been run through to the middle part of guide cylinder for through the pivot, and set up annular fine grinding space in the through-hole, be provided with the fine grinding cover of fixed cover at the pivot outer circumference in the fine grinding space, and the thick liquid after fine grinding filters can fall into on the connection pad through the thick liquid passageway, realizes mending thick liquid leveling to the stem terminal surface.
Further, preferably, a connecting cylinder is coaxially fixed below the guide cylinder, a guide seat is coaxially fixed below the connecting cylinder, the guide seat can be wrapped outside the coring cylinder and is rotationally connected with the coring cylinder through a wear-resistant sleeve, and a gap is reserved between the inner top of the guide seat and the connecting disc, so that a guide space is formed.
Further, preferably, the two groups of telescopic rods are also fixedly and symmetrically embedded in the follower arm, and the telescopic ends of the telescopic rods are fixedly connected with the mounting seat;
a sealing ring seat is fixed on the inner wall of the limiting cylinder, an annular limiting groove is formed in the inner wall of the sealing ring seat, and a limiting ring table coaxially fixed outside the rotating shaft is arranged in the annular limiting groove in a limiting rotation manner;
the utility model discloses a core motor, including the pivot, the pivot is stretched out the one end of moisturizing seat and is had the spacing slider that the multiunit extended along the axis of pivot to the pivot still circumference array, spacing slider slides and sets up in the spacing groove of seting up correspondingly on the actuating lever to can utilize the actuating lever to drive the pivot and rotate, and drive the pivot through the telescopic link and slide along the axial of actuating lever, the actuating lever links to each other with coring motor's output is fixed.
Further, as the preference, the bottom of disk body has evenly laid the mill, mill and the interval setting of the slurry filling hole of disk body bottom, still evenly distributed has the multiunit choked flow pad on the bottom outer circumference of disk body, the thickness of choked flow pad is unanimous with the thickness of mill.
Further, preferably, a plurality of groups of resistance increasing rods are fixed on the follower arm and are close to one side of the coring assembly in a circumferential array.
Compared with the prior art, the invention provides high-precision in-service concrete strength rapid detection equipment, which has the following beneficial effects:
in this device, through the rotation angle of adjustment base, the rotation angle of rotating arm and follower arm can make the position of coring the subassembly adaptation multiple in-service concrete, be convenient for get the core and handle, improve the coring speed, in addition, expose one side stem terminal surface in the air for a long time, present the rugged state, utilize the leveling mill of polishing, can polish the leveling, and in the place that the pit is darker, still can utilize thick liquid to make the slurry make the level, thereby realize constructing qualified stem fast, and the other terminal surface of stem is then cut by the separating knife and polish, thereby convenient and fast's realization coring is handled, and the stem that takes out can directly be used for detecting, detect speed and detection accuracy have been improved, in addition, the length of the core section of thick bamboo, the internal diameter and the position of the leveling mill can restrict the size of stem, thereby directly construct standard stem at the in-process of coring.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a high-precision in-service concrete strength rapid detection device;
FIG. 2 is a schematic diagram of the structure of a coring assembly in a high-precision in-service concrete strength rapid detection apparatus;
FIG. 3 is a schematic view of a part of the enlarged structure of FIG. 2;
FIG. 4 is a schematic diagram of the structure of a leveling and sanding disc in a high-precision in-service concrete strength rapid detection device;
in the figure: 1. a base; 2. a slurry supplementing tank; 3. a height adjusting seat; 4. a screw nut pair; 5. a base; 6. a rotating arm; 7. a telescopic adjusting cylinder; 8. a follower arm; 9. a coring assembly; 10. a coring motor; 11. resistance increasing rod; 12. a drive shaft; 121. a limit groove; 13. a telescopic rod; 91. a rotating shaft; 92. a mounting base; 93. slurry supplementing and leveling components; 94. a connecting disc; 95. a diversion seat; 96. a core barrel; 97. a ring seat; 98. coring bit; 99. a separating knife; 910. leveling and polishing the grinding disc; 911. a limit sliding block; 931. a slurry supplementing seat; 932. a limiting cylinder; 933. a seal ring seat; 934. finely grinding the sleeve; 935. a guide cylinder; 936. a slurry channel; 937. a connecting cylinder; 9101. a tray body; 9102. grouting holes; 9103. polishing the grinding disc; 9104. a choke pad.
Description of the embodiments
Referring to fig. 1 to 4, in the embodiment of the present invention, a high-precision in-service concrete strength rapid detection device includes a base 1, a slurry supplementing tank 2, a height adjusting seat 3, and a base 5, where the slurry supplementing tank 2 and the height adjusting seat 3 are both fixed on the base 1, the height adjusting seat 3 is further connected with the base 5 by a screw nut pair 4 and can be adjusted up and down, the screw nut pair structure is an existing structure, and is not described herein, the base 1 is further provided with a stem detector, and the stem detector can detect the strength of a stem, so that in order to improve the detection speed and precision, the core needs to be rapidly coring processed on the in-service concrete and leveling the two end surfaces of the extracted stem, so that the stem meets the detection standard, and in addition, in the process, care needs to be taken, a portion with smaller stress on the structure or member in the service concrete, a portion with a representative strength quality and a portion convenient for the coring operation of the assembly are selected;
a rotating motor is fixed in the base 5, a rotating arm 6 is fixed at the output end of the rotating motor, a follower arm 8 is hinged at the other end of the rotating arm 6, and a coring assembly 9 is arranged on the follower arm 8;
coring assembly 9 can be to coring in the concrete of being in service, carries out the processing of making level to the upper and lower surface of stem that takes out, wherein, coring assembly 9 can polish the moisturizing processing of making level to the stem terminal surface that exposes to outside, and carries out the cutting processing of making level to the stem terminal surface that hides inside to convenient and fast's realization coring is handled, and the stem that takes out can directly be used for detecting, has improved detection speed.
In this embodiment, as shown in fig. 1, the middle part of the rotating arm 6 is hinged with a telescopic adjusting cylinder 7, and the other end of the telescopic adjusting cylinder 7 is hinged with the middle part of the follower arm 8, so that the follower arm 8 is driven to perform angle adjustment around the rotating arm 6 through the telescopic operation of the telescopic adjusting cylinder 7, thereby realizing rapid adjustment to adapt to in-service concrete at different positions.
In this embodiment, the coring assembly 9 includes a rotating shaft 91, a connecting disc 94, a coring barrel 96 and a coring bit 98, where the connecting disc 94 is coaxially fixed at one end of the rotating shaft 91, the rotating shaft 91 is driven to rotate by the coring motor 10 fixed on the follower arm 8, the coring barrel 96 is coaxially sleeved on the outside of the connecting disc 94, and the coring bit 98 is coaxially fixed at the other end of the coring barrel 96 by using a ring seat 97.
As a preferred embodiment, as shown in fig. 2, a separating knife 99 capable of extending and retracting along the radial direction of the core barrel 96 is embedded in the ring seat 97, and the separating knife 99 can extend to the central axis position of the core barrel, specifically, the separating knife comprises a knife body and an extending and retracting driving piece, the knife body is driven to extend and retract by the extending and retracting driving piece, so that the knife body can extend to the central axis position of the core barrel, and the cutting and polishing of one side end face of the core barrel are realized while the separation of the core barrel is realized.
In this embodiment, as shown in fig. 3 and 4, a leveling polishing disc 910 is coaxially attached to an end of the connecting disc 94 away from the rotating shaft 91;
the leveling polishing disc 910 comprises a disc body 9101, the disc body 9101 is of a cavity structure, a plurality of slurry supplementing holes 9102 are formed in the upper surface and the lower surface of the disc body, and the slurry supplementing holes 9102 are distributed in a plurality of groups of circumferential arrays;
and a plurality of groups of sparse holes are uniformly distributed on the connecting disc 94.
In addition, in this embodiment, the slurry filling and leveling component 93 is further included, where the slurry filling and leveling component 93 includes a slurry filling seat 931, a sealing ring seat 933, a fine grinding sleeve 934 and a guide cylinder 935, where the slurry filling seat 931 is fixedly embedded in the mounting seat 92, and one side of the slurry filling seat 931 is provided with a slurry filling port, the slurry filling port is connected with the slurry filling tank 2 by a hose, the slurry filling tank 2 can convey slurry for the hose, the slurry can be polymer cement mortar or epoxy cement, and an accelerator needs to be mixed into the slurry, and the top of the slurry filling seat 931 is inwards recessed to form a limiting cylinder 932 capable of passing through the rotating shaft 91;
the bottom of the slurry compensating seat 931 is embedded with a guide cylinder 935 fixed in the mounting seat 92, a through hole is formed in the middle of the guide cylinder 935 in a penetrating manner, and is used for passing through the rotating shaft 91, an annular fine grinding space is formed in the through hole, a fine grinding sleeve 934 fixedly sleeved on the outer circumference of the rotating shaft 91 is arranged in the fine grinding space, slurry filtered by fine grinding can fall on the connecting disc 94 through a slurry channel 936, slurry compensating and leveling on the end face of a stem is achieved, in a concrete implementation, the end face of the stem exposed in the air for a long time is in an uneven state, polishing and leveling can be performed by utilizing a leveling polishing disc 910, slurry compensating and leveling can be performed by utilizing slurry in a deep pit, and therefore qualified stem is rapidly constructed, and the other end face of the stem is cut and polished by a separating knife.
In this embodiment, a connecting cylinder 937 is coaxially fixed below the guiding cylinder 935, a guiding seat 95 is coaxially fixed below the connecting cylinder 937, the guiding seat 95 can be wrapped outside the coring cylinder 96 and rotationally connected with the coring cylinder 96 through a wear-resistant sleeve, and a gap is reserved between the inner top of the guiding seat 95 and the connecting disc 94, so that a guiding space is formed to prevent slurry from overflowing.
In this embodiment, two groups of telescopic rods 13 are also fixedly and symmetrically embedded in the follower arm 8, and the telescopic ends of the telescopic rods 13 are fixedly connected with the mounting seat 92;
a sealing ring seat 933 is fixed on the inner wall of the limiting cylinder 932, an annular limiting groove is formed in the inner wall of the sealing ring seat 933, and a limiting ring table coaxially fixed outside the rotating shaft 91 is arranged in the annular limiting groove in a limiting rotation manner;
the end of the rotating shaft 91 extending out of the slurry supplementing seat 931 is further provided with a plurality of groups of limiting slide blocks 911 extending along the axis of the rotating shaft 91 in a circumferential array, the limiting slide blocks 911 are slidably arranged in limiting grooves 121 correspondingly formed in the driving rod 12, so that the rotating shaft 91 can be driven to rotate by the driving rod 12, the rotating shaft 91 is driven to slide along the axial direction of the driving rod 12 by the telescopic rod 13, and the driving rod 12 is fixedly connected with the output end of the coring motor 10.
As a preferred embodiment, as shown in fig. 4, the bottom of the disc 9101 is uniformly provided with polishing discs 9103, the polishing discs 9103 are spaced from slurry supplementing holes 9102 at the bottom of the disc 9101, a plurality of groups of flow blocking pads 9104 are uniformly provided on the outer circumference of the bottom of the disc 9101, and the thickness of the flow blocking pads 9104 is consistent with that of the polishing discs 9103.
As a preferred embodiment, as shown in FIG. 1, a plurality of groups of resistance increasing rods 11 are fixed on the follower arm 8 and are arranged in a circumferential array on one side close to the coring assembly 9, and the contact position between the resistance increasing rods 11 and the in-service concrete is made of rubber.
In particular implementation, the in-service concrete at a proper position is selected for coring, wherein the coring assembly 9 can adapt to the position of the in-service concrete by adjusting the height of the base 5, the rotation angle of the rotating arm 6 and the rotation angle of the follower arm 8, the coring motor 10 is started to drive the coring tool bit 98 to rotate during coring, the coring tool bit is driven to drill, the end face of one side core column exposed in the air for a long time is in an uneven state, the leveling grinding disc 910 is utilized for grinding and leveling, slurry can be utilized for slurry supplementing and leveling at a deep pit, thereby realizing rapid construction of qualified core columns, the other end face of the core column is cut and polished by the separating tool, and the strength detection is performed by the core column detector on the base 1 after the core column is taken out.
The foregoing description 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 solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a high accuracy is in service concrete intensity short-term test equipment, its includes base (1), mend thick liquid jar (2), high regulation seat (3) and base (5), wherein, mend thick liquid jar (2) and high regulation seat (3) all are fixed in on base (1), high regulation seat (3) still adopts screw nut pair (4) can be adjusted from top to bottom to be connected with base (5), still be provided with stem detector on base (1);
the method is characterized in that: a rotating motor is fixed in the base (5), a rotating arm (6) is fixed at the output end of the rotating motor, a follower arm (8) is hinged at the other end of the rotating arm (6) with an adjustable angle, and a coring assembly (9) is arranged on the follower arm (8);
the coring assembly (9) can core in-service concrete and level the upper surface and the lower surface of the extracted core column, wherein the coring assembly (9) can polish and repair slurry and level the end surface of the core column exposed to the outside, and cut and level the end surface of the core column hidden in the core column;
the coring assembly (9) comprises a rotating shaft (91), a connecting disc (94), a coring barrel (96) and a coring bit (98), wherein the connecting disc (94) is coaxially fixed at one end of the rotating shaft (91), the rotating shaft (91) is driven to rotate by a coring motor (10) fixed on a follow-up arm (8), the coring barrel (96) is coaxially and fixedly sleeved outside the connecting disc (94), and the coring bit (98) is coaxially fixed at the other end of the coring barrel (96) by adopting a ring seat (97);
the coring assembly (9) further comprises a slurry supplementing and leveling assembly (93), the slurry supplementing and leveling assembly (93) comprises a slurry supplementing seat (931), a sealing ring seat (933), a fine grinding sleeve (934) and a guide cylinder (935), the slurry supplementing seat (931) is fixedly embedded in the mounting seat (92), one side of the slurry supplementing seat (931) is provided with a slurry supplementing port, the slurry supplementing port is connected with the slurry supplementing tank (2) through a hose, and the top of the slurry supplementing seat (931) is inwards sunken to form a limiting cylinder (932) capable of passing through the rotating shaft (91);
the bottom of the slurry supplementing seat (931) is embedded with a guide cylinder (935) fixed in the mounting seat (92), the middle part of the guide cylinder (935) is provided with a through hole in a penetrating way and is used for passing through the rotating shaft (91), the through hole is provided with an annular fine grinding space, the fine grinding space is internally provided with a fine grinding sleeve (934) fixedly sleeved on the outer circumference of the rotating shaft (91), and slurry after fine grinding and filtering can fall on the connecting disc (94) through a slurry channel (936) to realize slurry supplementing and leveling of the end face of the core column;
two groups of telescopic rods (13) are symmetrically and fixedly embedded in the follower arm (8), and the telescopic ends of the telescopic rods (13) are fixedly connected with the mounting seat (92);
a sealing ring seat (933) is fixed on the inner wall of the limiting cylinder (932), an annular limiting groove is formed in the inner wall of the sealing ring seat (933), and a limiting ring table coaxially fixed outside the rotating shaft (91) is arranged in the annular limiting groove in a limiting rotation manner;
one end circumference array that pivot (91) stretched out moisturizing seat (931) has multiunit along spacing slider (911) of the axis extension of pivot (91), spacing slider (911) slip sets up in spacing groove (121) of seting up correspondingly on actuating lever (12) to can utilize actuating lever (12) to drive pivot (91) rotation, and drive pivot (91) through telescopic link (13) and slide along the axial of actuating lever (12), actuating lever (12) are fixed continuous with the output of coring motor (10).
2. The high-precision in-service concrete strength rapid detection device according to claim 1, wherein: the middle part of the rotating arm (6) is hinged with a telescopic adjusting cylinder (7), and the other end of the telescopic adjusting cylinder (7) is hinged with the middle part of the follower arm (8) so as to drive the follower arm (8) to conduct angle adjustment around the rotating arm (6) through the telescopic of the telescopic adjusting cylinder (7) to adapt to in-service concrete at different positions.
3. The high-precision in-service concrete strength rapid detection device according to claim 1, wherein: a separating knife (99) capable of stretching along the radial direction of the core barrel (96) is embedded in the ring seat (97), and the separating knife (99) can be stretched to the central axis position of the core barrel.
4. The high-precision in-service concrete strength rapid detection device according to claim 1, wherein: one end of the connecting disc (94) far away from the rotating shaft (91) is coaxially attached with a leveling grinding disc (910);
the leveling polishing disc (910) comprises a disc body (9101), the disc body (9101) is of a cavity structure, a plurality of slurry supplementing holes (9102) are formed in the upper surface and the lower surface of the disc body, and the slurry supplementing holes (9102) are distributed in a plurality of groups of circumferential arrays;
and a plurality of groups of sparse holes are uniformly distributed on the connecting disc (94).
5. The high-precision in-service concrete strength rapid detection device according to claim 1, wherein: the utility model discloses a guide cylinder, including guide cylinder (935), connecting cylinder (937), guide cylinder (95) are fixed with coaxially below connecting cylinder (937), guide cylinder (95) can wrap up in the outside of coring cylinder (96), and rotate with coring cylinder (96) through wear-resisting cover and link to each other, leave the clearance between the interior top of guide cylinder (95) and connection pad (94) to constitute the water conservancy diversion space.
6. The high-precision in-service concrete strength rapid detection device according to claim 4, wherein: the bottom of disk body (9101) has evenly been laid and has been polished dish (9103), the pad hole (9102) interval setting of polishing dish (9103) and disk body (9101) bottom, still evenly distributed multiunit choked flow pad (9104) on the bottom outer circumference of disk body (9101), the thickness of choked flow pad (9104) is unanimous with the thickness of polishing dish (9103).
7. The high-precision in-service concrete strength rapid detection device according to claim 1, wherein: and a plurality of groups of resistance increasing rods (11) are fixed on the follower arm (8) and are close to the circumferential array on one side of the coring assembly (9).
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| CN202010972428.8A CN112033734B (en) | 2020-09-16 | 2020-09-16 | High-precision in-service concrete strength rapid detection equipment |
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| CN202010972428.8A CN112033734B (en) | 2020-09-16 | 2020-09-16 | High-precision in-service concrete strength rapid detection equipment |
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| CN112033734B true CN112033734B (en) | 2023-08-18 |
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