CN112304793A - Hydraulic engineering is with small-size portable concrete intensity detection device - Google Patents
Hydraulic engineering is with small-size portable concrete intensity detection device Download PDFInfo
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- CN112304793A CN112304793A CN202011349542.1A CN202011349542A CN112304793A CN 112304793 A CN112304793 A CN 112304793A CN 202011349542 A CN202011349542 A CN 202011349542A CN 112304793 A CN112304793 A CN 112304793A
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- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 230000010405 clearance mechanism Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 description 7
- 238000010079 rubber tapping Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
- G01N3/52—Investigating hardness or rebound hardness by measuring extent of rebound of a striking body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- Life Sciences & Earth Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention relates to the technical field of concrete strength detection devices, in particular to a small portable concrete strength detection device for hydraulic engineering. The invention sets four groups of calibration toothed bars, the lower ends of the four groups of calibration toothed bars can be simulated into four corners of a plane, when the lower ends of the four groups of calibration toothed bars are attached to the concrete surface of a building, the elastic striking bars are vertical to the concrete surface, at the moment, the rubber mat handle is held by two hands to operate an instrument for measurement, and the calibration toothed bars can automatically stretch and reset through the reset springs.
Description
Technical Field
The invention relates to the technical field of concrete strength detection devices, in particular to a small portable concrete strength detection device for hydraulic engineering.
Background
The hydraulic engineering is an engineering constructed for controlling and allocating surface water and underground water in the nature to achieve the purposes of removing harm and benefiting benefit, in the hydraulic engineering construction, concrete is usually required to be used for constructing channels or hydraulic buildings such as dams, and a resiliometer is required to be used for detecting the strength of the concrete after the concrete construction is finished;
the resiliometer utilizes spring drive impact hammer, produce instantaneous elastic deformation's restoring force through the impact pole bullet impact concrete surface, drive the pointer by the impact hammer and kick-back and indicate the distance-resilience value of resilience, thereby detect the compressive strength of concrete, but present resiliometer is when using, need both hands to control the instrument, and need guarantee that the impact pole is perpendicular with the concrete surface, but this process operation is comparatively troublesome, also difficult through handheld just guaranteeing that the impact pole keeps perpendicular with the wall body, consequently can produce a certain amount of error in the measurement process, for this reason we have proposed a hydraulic engineering and have solved above-mentioned problem with small-size portable concrete strength detection device.
Disclosure of Invention
The invention aims to provide a small portable concrete strength detection device for hydraulic engineering, which aims to solve the problems that the conventional resiliometer proposed in the background art needs to hold an instrument with both hands and needs to ensure that an impact rod is vertical to the surface of concrete when in use, but the operation of the process is troublesome, and the impact rod is difficult to keep vertical to a wall body by holding the rebound rod by hands, so that a certain amount of error is generated in the measurement process.
In order to achieve the purpose, the invention provides the following technical scheme: a small portable concrete strength detection device for hydraulic engineering comprises a resiliometer body and an elastic striking rod, wherein a hole is formed in the center of the lower end of the resiliometer body, the elastic striking rod is arranged in the hole, a fixed seat is welded on the outer wall of the resiliometer body at equal intervals, a movable groove is formed in the lower end of the fixed seat, a reset spring is vertically arranged in the movable groove, the upper end of the reset spring abuts against the inner wall of the movable groove, a sliding block is arranged on the lower side of the inner portion of the movable groove, the upper end of the sliding block abuts against the lower end of the reset spring, a first guide ball is arranged at the edge of the sliding block, a sliding groove matched with the first guide ball is formed in the inner wall of the movable groove, a calibration toothed bar is vertically welded at the lower end of the sliding block, the calibration toothed bars are vertically inserted into an opening in the lower end of the movable groove, and the lower, the lower extreme of resiliometer body is provided with drive mechanism, the lower extreme opening part of resiliometer body is provided with clearance mechanism.
Preferably, the lower end of the calibration toothed bar is hemispherical, and a rubber pad is glued to the lower end of the calibration toothed bar.
Preferably, the left and right fixed seats are symmetrically hinged with rubber pad handles, and the maximum rotation angle of the rubber pad handles from top to bottom is ninety degrees.
Preferably, the second guide balls are arranged on the inner wall of the opening at the lower end of the resiliometer body at equal intervals, and the outer wall of the elastic striking rod is provided with a sliding groove matched with the second guide balls.
Preferably, drive mechanism includes first pivot, first pivot is transversely installed inside the lower extreme of resiliometer body through the bearing, fixed cover has connect first gear in the first pivot, the jack has vertically been seted up to the lower extreme equidistance of resiliometer body, the lower extreme of calibration ratch is vertical to be inserted from the upper end opening part of jack, the internal diameter of jack is greater than the external diameter of calibration ratch, the one end fixed mounting that resiliometer body outer wall was kept away from to first pivot has first conical gear, the tooth of first gear and calibration ratch meshes mutually, the inside second pivot of installing through the bearing is vertical in the lower extreme of resiliometer body, and fixed cover has connect second conical gear and second gear in the second pivot, second conical gear is in the downside of second gear, second conical gear and first conical gear mesh mutually.
Preferably, the diameter of the first bevel gear is smaller than the diameter of the second bevel gear.
Preferably, clearance mechanism includes the ring gear, the annular groove has been seted up to the inner wall of resiliometer body lower extreme opening, and the opening part of annular groove is provided with the ring gear, the inboard of ring gear is provided with the brush hair, the spout has been seted up to the upper and lower both ends symmetry of ring gear, the third direction ball with spout looks adaptation is installed to two upper and lower wall equidistance of annular groove, the outer wall tooth and the second gear of ring gear mesh mutually, the brush hair is laminated with the outer wall of tapping pole mutually.
Compared with the prior art, the invention has the beneficial effects that: according to the small portable concrete strength detection device for the hydraulic engineering, the four groups of calibration toothed bars are arranged, the lower ends of the four groups of calibration toothed bars can be simulated into four corners of a plane, when the lower ends of the four groups of calibration toothed bars are attached to the concrete surface of a building, the elastic striking bars are perpendicular to the concrete surface, at the moment, the rubber mat handle operation instrument is held by hands to measure, and the calibration toothed bars can automatically stretch and reset through the reset springs, so that the operation is simple and convenient;
through setting up drive mechanism and clearance mechanism, drive mechanism can drive the ring gear in the clearance mechanism and rotate when the calibration ratch is flexible, and the brush can be scraped to the outer wall of impact rod through the brush hair when the ring gear rotates, just so can hit the impurity clearance such as sticky dust in impact rod surface with the bullet and come down to it is originally internal to avoid the impact rod to bring impurity into the resiliometer, influences the work of parts such as this internal spring of resiliometer.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic sectional elevation view of the structure of the present invention;
FIG. 3 is a schematic sectional view of the structure of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 2;
FIG. 5 is an enlarged view of a portion B of FIG. 3 according to the present invention.
In the figure: 1. a resiliometer body; 2. a tapping rod; 3. a fixed seat; 4. a movable groove; 5. a return spring; 6. a slider; 7. a first guide ball; 8. calibrating the toothed bar; 9. fixing the connecting strip; 10. a rubber mat handle; 11. a second guide ball; 12. a first rotating shaft; 13. a first gear; 14. a first bevel gear; 15. a second rotating shaft; 16. a second bevel gear; 17. a second gear; 18. a toothed ring; 19. brushing; 20. and a third guide ball.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention is shown: a small portable concrete strength detection device for hydraulic engineering comprises a resiliometer body 1 and a bouncing rod 2, wherein a hole is formed in the center of the lower end of the resiliometer body 1, the bouncing rod 2 is arranged in the hole, a fixed seat 3 is welded on the outer wall of the resiliometer body 1 at equal intervals, a movable groove 4 is formed in the lower end of the fixed seat 3, a reset spring 5 is vertically arranged in the movable groove 4, the upper end of the reset spring 5 abuts against the inner wall of the movable groove 4, a sliding block 6 is arranged on the lower side of the inner part of the movable groove 4, the upper end of the sliding block 6 abuts against the lower end of the reset spring 5, a first guide ball 7 is arranged at the edge of the sliding block 6, a sliding groove matched with the first guide ball 7 is formed in the inner wall of the movable groove 4, a calibration toothed bar 8 is vertically welded at the lower end of the sliding block 6, and the calibration toothed bar, the lower sides of the four groups of calibration toothed bars 8 are connected by welding through fixed connecting strips 9, the lower end of the resiliometer body 1 is provided with a transmission mechanism, and an opening at the lower end of the resiliometer body 1 is provided with a cleaning mechanism;
furthermore, the lower end of the calibration toothed bar 8 is hemispherical, and the lower end of the calibration toothed bar 8 is glued with a rubber pad, as shown in fig. 1 and fig. 2, the structure avoids abrasion caused by friction between the lower end of the calibration toothed bar 8 and concrete, and the arc-shaped surface of the lower end of the calibration toothed bar 8 has no edge angle, so that no obstruction can be caused when the end of a single calibration toothed bar 8 contacts the surface of the concrete and inclines, and therefore four calibration toothed bars 8 can conveniently contact the surface of the concrete at the same time, and four plane corners are formed to calibrate the impact bar 2, and the impact bar 2 can be perpendicular to the surface of the concrete, so that the measurement work is facilitated;
furthermore, rubber mat handles 10 are symmetrically hinged to the left and right fixed seats 3, the maximum rotation angle of the rubber mat handles 10 from top to bottom is ninety degrees, as shown in fig. 2, the structure is convenient for the rubber mat handles 10 to be folded for carrying or storage, and the rubber mat handles 10 can facilitate an operator to hold the resiliometer body 1 for operation;
furthermore, second guide balls 11 are equidistantly mounted on the inner wall of an opening at the lower end of the resiliometer body 1, and a sliding groove matched with the second guide balls 11 is formed in the outer wall of the tapping rod 2, as shown in fig. 2 and 4, the structure can prevent the tapping rod 2 from shifting during expansion and contraction, so that the outer wall of the tapping rod 2 and the inner wall of the opening at the lower end of the resiliometer body 1 are subjected to friction, and the service life of the device can be prolonged;
further, the transmission mechanism comprises a first rotating shaft 12, the first rotating shaft 12 is transversely installed inside the lower end of the resiliometer body 1 through a bearing, a first gear 13 is fixedly sleeved on the first rotating shaft 12, inserting holes are vertically formed in the lower end of the resiliometer body 1 at equal intervals, the lower end of the calibration toothed bar 8 is vertically inserted from an opening at the upper end of the inserting holes, the inner diameter of each inserting hole is larger than the outer diameter of the calibration toothed bar 8, a first conical gear 14 is fixedly installed at one end, far away from the outer wall of the resiliometer body 1, of the first rotating shaft 12, the first gear 13 is meshed with teeth of the calibration toothed bar 8, a second rotating shaft 15 is vertically installed inside the lower end of the resiliometer body 1 through a bearing, a second conical gear 16 and a second gear 17 are fixedly sleeved on the second rotating shaft 15, the second conical gear 16 is located on the lower side of the second gear 17, the second conical gear 16, Fig. 3, 4 and 5, the structure is used for driving the formation of the calibrating toothed bar 8 to rotate the toothed ring 18 when the calibrating toothed bar 8 extends and retracts, so that the bristles 19 on the inner wall of the toothed ring 18 can clean the striking bar 2;
further, the diameter of the first bevel gear 14 is smaller than that of the second bevel gear 16, as shown in fig. 4, the structure makes the first bevel gear 14 drive the second bevel gear 16 to rotate, which generates a speed difference, and the second bevel gear 16 rotates slower than the first bevel gear 14, so that it can avoid that the bristles 19 rotate too fast and rub against the tapping rod 2 violently, which results in accelerated wear;
further, the cleaning mechanism comprises a gear ring 18, the inner wall of the lower end opening of the resiliometer body 1 is provided with an annular groove, and the opening of the annular groove is provided with a toothed ring 18, the inner side of the toothed ring 18 is provided with bristles 19, the upper end and the lower end of the toothed ring 18 are symmetrically provided with sliding grooves, the upper wall and the lower wall of the annular groove are equidistantly provided with third guide balls 20 matched with the sliding grooves, the outer wall teeth of the toothed ring 18 are meshed with a second gear 17, the bristles 19 are attached to the outer wall of the tapping rod 2, as shown in figures 2, 3 and 4, the structure is used for cleaning the surface of the elastic striking rod 2 so as to prevent impurities from being brought into the resiliometer body 1 when the elastic striking rod 2 stretches and retracts, and after the impurities such as sand and stone enter the resiliometer body 1 by particles, the work of parts such as a spring and the like in the resiliometer body 1 can be influenced, and impurities can be prevented from being embedded into a gap between the elastic striking rod 2 and an opening at the lower end of the resiliometer body 1;
the working principle is as follows: when the device is used, the lower ends of the four groups of calibration toothed bars 8 are attached to the surface of concrete in a required detection area, then the two groups of rubber pad handles 10 are folded and unfolded, so that the two groups of rubber pad handles 10 are in a straight shape, then the rubber pad handles 10 can be held by two hands, the resiliometer body 1 is pushed towards the concrete, the elastic striking bar 2 is stressed to vertically contact with a wall body for measurement, in the process, the calibration toothed bars 8 contract towards the movable groove 4 when being influenced by thrust, the sliding blocks 6 are driven to slide in the movable groove 4 through the first guide balls 7, the reset springs 5 are stressed and deformed, after the reset springs 5 are not stressed, the reset springs 5 in a compressed state push the sliding blocks 6 to reset through the reset elastic force, so that the calibration toothed bars 8 can reset, and when the calibration toothed bars 8 displace, the meshed first gears 13 are driven to rotate, the first gear 13 drives the first bevel gear 14 to rotate through the first rotating shaft 12, then the first bevel gear 14 drives the second bevel gear 16 engaged with the first bevel gear to rotate, then the second bevel gear 16 drives the second gear 17 to rotate through the second rotating shaft 15, and the second gear 17 drives the toothed ring 18 to rotate through the third guiding ball 20, when the toothed ring 18 rotates, the bristles 19 scrape the surface of the impact rod 2 through rotation, so as to clean up impurities on the surface of the impact rod 2, thereby preventing the impact rod 2 from bringing the impurities into the resiliometer body 1 when the impact rod 2 stretches out and draws back, and affecting parts such as a spring in the resiliometer body 1.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a hydraulic engineering is with small-size portable concrete intensity detection device, includes resiliometer body (1) and impact pole (2), its characterized in that: the lower end center position of the resiliometer body (1) is provided with a hole, an elastic striking rod (2) is arranged in the hole, a fixed seat (3) is welded on the outer wall of the resiliometer body (1) at equal intervals, the lower end of the fixed seat (3) is provided with a movable groove (4), a reset spring (5) is vertically arranged in the movable groove (4), the upper end of the reset spring (5) is abutted against the inner wall of the movable groove (4), a sliding block (6) is arranged on the lower side in the movable groove (4), the upper end of the sliding block (6) is abutted against the lower end of the reset spring (5), a first guide ball (7) is arranged at the edge of the sliding block (6), a sliding groove matched with the first guide ball (7) is arranged on the inner wall of the movable groove (4), a calibration toothed rod (8) is vertically welded at the lower end of the sliding block (6), and the calibration toothed rod (8) is vertically inserted in the lower end opening of the movable, the lower sides of the four groups of calibration toothed bars (8) are connected through fixed connecting strips (9) in a welding mode, a transmission mechanism is arranged at the lower end of the resiliometer body (1), and a cleaning mechanism is arranged at an opening of the lower end of the resiliometer body (1).
2. The small portable concrete strength detection device for the hydraulic engineering according to claim 1, characterized in that: the lower end of the calibration toothed bar (8) is hemispherical, and a rubber pad is glued to the lower end of the calibration toothed bar (8).
3. The small portable concrete strength detection device for the hydraulic engineering according to claim 1, characterized in that: the left and right groups of the fixing seats (3) are symmetrically hinged with rubber pad handles (10), and the maximum rotation angle of the rubber pad handles (10) from top to bottom is ninety degrees.
4. The small portable concrete strength detection device for the hydraulic engineering according to claim 1, characterized in that: second direction ball (11) are installed to the equidistance on the opening inner wall of resiliometer body (1) lower extreme, the spout with second direction ball (11) looks adaptation is seted up to the outer wall of impact rod (2).
5. The small portable concrete strength detection device for the hydraulic engineering according to claim 1, characterized in that: the transmission mechanism comprises a first rotating shaft (12), the first rotating shaft (12) is transversely installed inside the lower end of the resiliometer body (1) through a bearing, a first gear (13) is fixedly sleeved on the first rotating shaft (12), a jack is vertically formed in the lower end of the resiliometer body (1) in an equidistant mode, the lower end of the calibration toothed bar (8) is vertically inserted from an opening at the upper end of the jack, the inner diameter of the jack is larger than the outer diameter of the calibration toothed bar (8), a first conical gear (14) is fixedly installed at one end, away from the outer wall of the resiliometer body (1), of the first rotating shaft (12), the first gear (13) is meshed with teeth of the calibration toothed bar (8), a second rotating shaft (15) is vertically installed inside the lower end of the resiliometer body (1) through the bearing, and a second conical gear (16) and a second gear (17) are fixedly sleeved on the second rotating shaft (15), the second bevel gear (16) is arranged at the lower side of the second gear (17), and the second bevel gear (16) is meshed with the first bevel gear (14).
6. The small portable concrete strength detection device for the hydraulic engineering according to claim 5, characterized in that: the diameter of the first bevel gear (14) is smaller than the diameter of the second bevel gear (16).
7. The small portable concrete strength detection device for the hydraulic engineering according to claim 1, characterized in that: clearance mechanism includes ring gear (18), the annular groove has been seted up to resiliometer body (1) lower extreme open-ended inner wall, and the opening part of annular groove is provided with ring gear (18), the inboard of ring gear (18) is provided with brush hair (19), the spout has been seted up to the upper and lower both ends symmetry of ring gear (18), third direction ball (20) with spout looks adaptation are installed to two upper and lower wall equidistance of annular groove, the outer wall tooth and the second gear (17) of ring gear (18) mesh mutually, brush hair (19) are laminated with the outer wall of striking rod (2) mutually.
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| CN202011349542.1A CN112304793A (en) | 2020-11-26 | 2020-11-26 | Hydraulic engineering is with small-size portable concrete intensity detection device |
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| CN202011349542.1A CN112304793A (en) | 2020-11-26 | 2020-11-26 | Hydraulic engineering is with small-size portable concrete intensity detection device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114659876A (en) * | 2022-02-11 | 2022-06-24 | 广西建宏工程科技有限公司 | Concrete compressive strength detection device |
| CN115015014A (en) * | 2022-08-08 | 2022-09-06 | 山东知方源科技信息有限公司 | Building structure strength detection system based on Internet of things |
| CN115524248A (en) * | 2022-10-28 | 2022-12-27 | 湖南元天检测技术有限公司 | Concrete strength intellectual detection system device |
| CN116399740A (en) * | 2023-05-31 | 2023-07-07 | 山西八建集团有限公司 | On-spot acceptance device of building construction material |
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