CN110567750A - Building concrete sampling device - Google Patents
Building concrete sampling device Download PDFInfo
- Publication number
- CN110567750A CN110567750A CN201910765191.3A CN201910765191A CN110567750A CN 110567750 A CN110567750 A CN 110567750A CN 201910765191 A CN201910765191 A CN 201910765191A CN 110567750 A CN110567750 A CN 110567750A
- Authority
- CN
- China
- Prior art keywords
- upright post
- sampling device
- base
- motor
- building concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 47
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000005553 drilling Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/02—Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Mining & Mineral Resources (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sampling And Sample Adjustment (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
the invention discloses a building concrete sampling device, which belongs to the technical field of building engineering and mainly solves the problem that a motor cannot stably run downwards at a constant speed when ground concrete is sampled, the building concrete sampling device comprises a base, wherein two ends of the rear part of the base are fixed with a first upright post and a second upright post, two ends of a transverse shaft are respectively connected with the first upright post and the other end of the second upright post in a rotating way, one end of the transverse shaft is provided with a hand-operated device, a main chain wheel is arranged at the center of the transverse shaft, a driven chain wheel is arranged at the center of the rear part of the base, a chain is in meshing transmission connection with the main chain wheel and the driven chain wheel, two ends of the chain are connected with the upper part and the lower part of the motor, the output end of the motor is connected with a speed reducer and a sampling drill bit, sleeves are sleeved on the two upright posts in a sliding way and are, the first upright post is provided with the graduated scale, and the invention has the advantages of simple structure, scientific and reasonable design and convenient operation.
Description
Technical Field
the invention belongs to the technical field of constructional engineering, and particularly relates to a building concrete sampling device.
Background
The compressive strength of concrete is an important index for measuring the quality of concrete, and the compressive strength of concrete is detected by a compressive detection device through core drilling and sampling on a concrete road or the ground or a wall surface to obtain data, such as the cementing condition of a concrete core, the strength, the existence of pores, segregation or pile breakage and the like. The core-drawing sampling generally adopts diamond drilling, and the caliber is more than or equal to 76 mm. The on-site concrete structure strength measuring technology is divided into a non-damage method and a partial damage method according to the influence degree of the on-site concrete structure strength measuring technology on the structure, and whether the engineering quality meets the relevant national standard or not is determined. The core sample is drilled from a concrete structure or member, a concrete strength test piece is prepared, and the strength of the concrete core sample is measured and used for checking and verifying the strength of the concrete of the building or used as a main quality index for evaluating the structure. But for the detection and analysis of old buildings, a core drilling sampling method is mainly adopted as a main quality inspection means.
the existing concrete sampling device has the advantages that the motor cannot stably run up and down at a constant speed, a sampling drill bit is rotated at a high speed, the friction force between the sampling drill bit and concrete is large, the temperature of the drill bit is high, dust can be raised, and potential safety hazards exist in operators.
Disclosure of Invention
The invention aims to provide a building concrete sampling device to solve the problem that a motor cannot stably run up and down at a constant speed when ground concrete is sampled.
In order to solve the problems, the invention adopts the technical scheme that:
A building concrete sampling device comprises a base, wherein a first upright post and a second upright post are fixedly connected to two ends of the rear part of the base, the first upright post and one end, far away from the base, of the second upright post are rotatably connected with a cross shaft, a hand-cranking device is arranged at one end of the cross shaft, a main chain wheel is arranged at the center of the cross shaft, a driven chain wheel is arranged at the center of the rear part of the base, a chain is in meshing transmission connection with the main chain wheel, two ends of the chain are fixedly connected with the upper part and the lower part of a motor, the output end of the motor is connected with a speed reducer, and the; the first upright post and the second upright post are respectively sleeved with a sleeve in a sliding manner, the sleeve is connected with the motor through a pin shaft, and the sleeve is provided with a locking rod; the hand-operated device comprises a hand wheel, a limiting rod is arranged on the hand wheel, one end of the hand wheel is connected with a rocker, and one end of the rocker is connected with a handle; a water pipe is connected to any one of the sleeves, the other end of the water pipe is close to the sampling drill bit, and a control valve is mounted on the water pipe; a graduated scale is arranged on the first upright post; the two ends of the front part of the base are respectively fixed with the first upright post and the upper end of the second upright post through a pull rod.
The invention has the following beneficial effects:
During the sample, the drill bit is steady, and at the uniform velocity of rotation has guaranteed the standard of sample, is connected with the water pipe on the sleeve pipe, and spun water is aimed at the sample drill bit and is sprayed, plays cooling and lubrication action to the sample drill bit, produces raise dust when preventing to bore simultaneously, environmental protection and operator's health.
the device has simple structure, scientific and reasonable design, quick and convenient operation and standard sampling, and solves the problems that the sampling equipment is too large and is difficult to operate in the prior art; the sampling quantity is large, and the cost is too high; the sample is easy to break, and the detection data is damaged.
drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a side view of the chain of the present invention;
The reference numbers are as follows: 1-a base; 2-a first upright; 3-a second upright; 4-horizontal axis; 5-a main sprocket; 6-a slave sprocket; 7-a chain; 8, a motor; 9-a speed reducer; 10-a sampling drill bit; 11-a hand wheel; 12-a limiting rod; 13-a rocker; 14-a handle; 15-a cannula; 16 locking the rod; 17-a water pipe; 18-a control valve; 19-a graduated scale; 20-a pull rod; 21-electric machine support
the specific implementation mode is as follows:
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1, 2 and 3, a building concrete sampling device comprises a base 1, a first upright post 2, a second upright post 3 and a cross shaft 4, wherein the base 1 is of a frame structure, two ends of the rear part of the base are respectively welded and fixed with the first upright post 2 and the second upright post 3, the upper ends of the first upright post 2 and the second upright post 3 are respectively provided with a hole, the cross shaft 4 penetrates into the holes and is rotatably connected with the first upright post 2 and the second upright post 3, one end of the cross shaft 4 is provided with a hand wheel 11, the hand wheel 11 is in a gear shape, a limit rod 12 is inserted on the hand wheel 11 and is perpendicular to the cross shaft 4, the other end of the hand wheel 11 is connected with a rocker 13, the other end of the rocker 13 is connected with a handle 14, the handle 14 is provided with an anti-slip layer, a main chain wheel 5 is installed at the center of the cross shaft 4, a secondary chain wheel 6 is installed at the center of the rear part of the base 1, the main, and both ends of the chain 7 are respectively connected with the upper end and the lower end of the motor 8 through pin shafts, the motor 8 is arranged in front of the chain 7, the output end of the motor 8 is in threaded connection with a speed reducer 9, and the output end of the speed reducer 9 is in threaded connection with a sampling drill bit 10.
Further, in order to ensure that the motor is stable up and down, the first upright post 2 and the second upright post 3 are respectively sleeved with a sleeve 15 in a sliding mode, the sleeve 15 is welded and fixed with a motor support 21, the motor support 21 is I-shaped, four ends of the motor support are in threaded connection with the motor 8, a through hole is formed in the sleeve 15, and when sampling is completed, the locking rod 16 is inserted into the through hole to lock the sleeve 15 and prevent the sleeve 15 from sliding downwards.
Further, the gag lever post 12 is rectangular form, and is one-way, anticlockwise locking, when reaching the size that needs the sample, prevents that the motor from continuing the gliding, and gag lever post 12 inserts and is used for locking hand wheel 11 in the gear of hand wheel 11.
Furthermore, be connected with water pipe 17 on the sleeve pipe 15 of second stand 3, this water pipe 17 is connected from the water pipe, and the other end of water pipe 17 is close to sample drill bit 10, installs control valve 18 on the water pipe 17, and when sample drill bit 10 bored, the water of water pipe 17 aimed at sample drill bit 10 and sprays, plays cooling and lubrication action to sample drill bit 10, produces raise dust when preventing to bore simultaneously, environmental protection and operator's health.
Furthermore, a graduated scale 19 is arranged on the first upright post 2, the graduated scale range is 0mm-600mm, the graduated scale 19 is used for limiting, and sampling can be carried out according to the required sampling size.
Furthermore, considering the stability of the concrete sampling device, the two ends of the front part of the base 1 are respectively welded and fixed with the first upright post 2 and the upper end of the second upright post 3 through the pull rod 20 to form a left triangular support and a right triangular support, so that the stability of the whole device is ensured.
Further, the sampling drill 10 is a hollow drill, diamonds are embedded on the circumferential surface of the front end of the drill, the strength grade of a drilling medium is C15-C45, the sampling diameter of the sampling drill 10 is 76mm-300mm, and the sampling length is 0mm-500mm;
further, the rotation speed ratio of the motor 8 to the speed reducer 9 is 10: 1.
When the sampling device works, the sampling device is transported to a place needing sampling, a proper sampling drill bit 10 is selected and installed according to the diameter of a needed sample, the motor 8 is started, the motor 8 drives the speed reducer 9 and the sampling drill bit 10 to rotate, the water pipe 17 and the locking rod 16 on the sleeve 15 are opened, the limiting rod 12 on the hand wheel 11 is opened, the rocker 13 is shaken to drive the hand wheel 11 to rotate anticlockwise, the hand wheel 11 drives the cross shaft 4 to rotate anticlockwise, the cross shaft 4 drives the main chain wheel 5 to rotate anticlockwise, the main chain wheel 5 drives the driven chain wheel 6 to rotate anticlockwise, the motor 8 is driven to move downwards at a constant speed, the sampling drill bit 10 starts to drill, water in the water pipe 17 is sprayed to the sampling drill bit 10, the sampling drill bit is limited by the graduated scale 19, the rocker 13 is rotated clockwise after the sampling size is reached, the cross shaft 4, the main chain wheel 5, and taking out the sample from the sampling drill 10, stopping the motor 8 and finishing sampling.
Claims (6)
1. The utility model provides a building concrete sampling device, includes base (1), its characterized in that the rear portion both ends fixed connection first stand (2) and second stand (3) of base (1), first stand (2), the one end and the cross axle (4) rotation that base (1) were kept away from in second stand (3) are connected, and a tip of cross axle (4) is equipped with hand cranking device, and main sprocket (5) are installed at the center of cross axle (4), and the rear portion center of base (1) is installed from sprocket (6), and chain (7) and main sprocket (5), from sprocket (6) meshing transmission and be connected, and the both ends of chain (7) and motor (8) go up, lower part fixed connection, the output of motor (8) is connected with speed reducer (9), and the output of speed reducer (9) is connected with sample drill bit (10).
2. The building concrete sampling device of claim 1, wherein: the first upright post (2) and the second upright post (3) are respectively sleeved with a sleeve (15) in a sliding mode, the sleeve (15) is connected with the motor (8) through a pin shaft, and a locking rod (16) is arranged on the sleeve (15).
3. The building concrete sampling device of claim 1, wherein: the hand cranking device comprises a hand wheel (11), a limiting rod (12) is arranged on the hand wheel (11), a rocker (13) is connected with one end of the hand wheel (11), and a handle (14) is connected with one end of the rocker (13).
4. A building concrete sampling device according to claim 2, wherein: any one of the sleeves (15) is connected with a water pipe (17), the other end of the water pipe (17) is close to the sampling drill bit (10), and a control valve (18) is installed on the water pipe (17).
5. the building concrete sampling device of claim 1, wherein: and a graduated scale (19) is arranged on the first upright post (2).
6. A building concrete sampling device according to any one of claims 1 to 5, wherein: the two ends of the front part of the base (1) are respectively fixed with the first upright post (2) and the upper end of the second upright post (3) through a pull rod (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910765191.3A CN110567750A (en) | 2019-08-19 | 2019-08-19 | Building concrete sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910765191.3A CN110567750A (en) | 2019-08-19 | 2019-08-19 | Building concrete sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110567750A true CN110567750A (en) | 2019-12-13 |
Family
ID=68774058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910765191.3A Pending CN110567750A (en) | 2019-08-19 | 2019-08-19 | Building concrete sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110567750A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202676495U (en) * | 2012-06-30 | 2013-01-16 | 韩锋 | Multi-angle concrete coring device |
| CN203685020U (en) * | 2014-01-14 | 2014-07-02 | 铁道第三勘察设计院集团有限公司 | Super-light shallow hole sampling drill |
| CN206683877U (en) * | 2017-02-22 | 2017-11-28 | 长安大学 | A kind of indoor compound drill core device |
| CN207147810U (en) * | 2017-06-08 | 2018-03-27 | 北京城建亚泰金砼混凝土有限公司 | A kind of concrete hole drilling core taking machine with separator |
| CN211085737U (en) * | 2019-08-19 | 2020-07-24 | 西北矿冶研究院 | Building concrete sampling device |
-
2019
- 2019-08-19 CN CN201910765191.3A patent/CN110567750A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202676495U (en) * | 2012-06-30 | 2013-01-16 | 韩锋 | Multi-angle concrete coring device |
| CN203685020U (en) * | 2014-01-14 | 2014-07-02 | 铁道第三勘察设计院集团有限公司 | Super-light shallow hole sampling drill |
| CN206683877U (en) * | 2017-02-22 | 2017-11-28 | 长安大学 | A kind of indoor compound drill core device |
| CN207147810U (en) * | 2017-06-08 | 2018-03-27 | 北京城建亚泰金砼混凝土有限公司 | A kind of concrete hole drilling core taking machine with separator |
| CN211085737U (en) * | 2019-08-19 | 2020-07-24 | 西北矿冶研究院 | Building concrete sampling device |
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