CN112179989A - Monitoring device for monitoring concrete fracture dynamic condition - Google Patents
Monitoring device for monitoring concrete fracture dynamic condition Download PDFInfo
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- CN112179989A CN112179989A CN202011144319.3A CN202011144319A CN112179989A CN 112179989 A CN112179989 A CN 112179989A CN 202011144319 A CN202011144319 A CN 202011144319A CN 112179989 A CN112179989 A CN 112179989A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
Abstract
The invention discloses a monitoring device for monitoring the dynamic condition of concrete fracture, which belongs to the technical field of concrete monitoring and solves the problems of inconvenient taking and poor comfort of the existing monitoring device for monitoring the dynamic condition of concrete fracture, the device comprises a concrete ultrasonic detector, a lifting box body, a third gear and a rack, the concrete ultrasonic detector is embedded in a second placing plate, the second placing plate is connected with a fixed frame through a shaft pin, the second placing plate is also connected with a support rod at the top of the rack through the shaft pin, the rack is connected with the lifting box body through a three-gear which is connected with gears through a rotating shaft, the lifting plates at two sides of the lifting box body are respectively connected with the surfaces of a first screw and a second screw in a sliding manner, the first gear at the top end of the first screw is connected with a hand crank through the fixed shaft, the first synchronizing wheel at the bottom end of the first screw is connected with the second synchronizing wheel at the bottom of the second, the invention has the characteristics of convenient taking and good comfort.
Description
Technical Field
The invention belongs to the technical field of concrete monitoring, and particularly relates to a monitoring device for monitoring the dynamic condition of concrete fracture.
Background
The concrete is one of the most important civil engineering materials in the present generation, and is an artificial stone material prepared from a cementing material, granular aggregate, water, an additive and an admixture which are added if necessary according to a certain proportion, and the artificial stone material is formed by uniformly stirring, compacting, forming, curing and hardening.
The property of the concrete comprises the workability of the concrete mixture, the strength, the deformation and the durability of the concrete, the workability is also called as workability, and the workability means that the concrete mixture is convenient for the operation of various construction procedures under certain construction conditions so as to ensure the performance of uniform and compact concrete. Workability is a comprehensive technical index and comprises three main aspects of fluidity (consistency), cohesiveness and water retention.
The strength is the main mechanical property of the hardened concrete, and reflects the quantification capability of the concrete for resisting load. The concrete strength includes compression strength, tensile strength, shearing strength, bending strength and bond strength. The concrete has the largest compressive strength and the smallest tensile strength, and the deformation of the concrete comprises deformation under the non-load action and deformation under the load action. The deformation under the non-load action comprises chemical shrinkage, dry and wet deformation, temperature deformation and the like. When the amount of cement used is too large, chemical shrinkage tends to occur in the concrete, causing fine cracks.
In order to know and master the concrete cracking condition in real time, a corresponding monitoring device is generally needed to monitor the concrete cracking condition, and a concrete ultrasonic detector is a device which is used in the market at present.
However, the existing monitoring device for monitoring the dynamic situation of concrete fracture is generally directly held by hands when in use, so that both hands of workers cannot be liberated, the workers feel fatigue easily after a long time, the comfort is poor, and the monitoring device is not convenient to take out of a tool box.
Therefore, in order to solve the problem, a monitoring device for monitoring the dynamic condition of concrete fracture needs to be developed and designed, so that the problems that the existing monitoring device for monitoring the dynamic condition of concrete fracture is inconvenient to take and poor in comfort are solved.
Disclosure of Invention
In view of the defects in the prior art, an object of the embodiments of the present invention is to provide a monitoring device for monitoring the dynamic situation of concrete cracking, so as to solve the above-mentioned problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a monitoring device for monitoring the dynamic condition of concrete fracture comprises a concrete ultrasonic detector, a lifting box body, a gear III and a rack, wherein the concrete ultrasonic detector is embedded in a placing plate II, a support embedded in the middle of the lower part of the placing plate II is connected with a fixing frame embedded in the bottom of the lifting box body through a shaft pin, one end of the lower part of the placing plate II is connected with a supporting rod embedded in the top of the rack through the shaft pin, the side wall of the rack is connected with the gear III through a gear tooth, the gear III is connected with the side wall of the lifting box body through the rotating shaft, a rocker is embedded in the end part of the rotating shaft, the lifting plates embedded in two sides of the lifting box body are respectively connected with the surfaces of a first screw rod and a second screw rod in a sliding mode, the first screw rod and the second screw rod are fixedly connected in a cavity formed in, the second gear is connected with a hand-operated wheel through a fixed shaft, and the first synchronizing wheel embedded at the bottom end of the first screw rod is connected with the second synchronizing wheel embedded at the bottom of the second screw rod through a synchronous belt.
As a further scheme of the invention, a sliding cover is arranged at the top of the protective shell, a sliding rail embedded at the bottom of the sliding cover is slidably connected in a groove formed at the top of the protective shell, the top of the sliding cover is fixedly connected with a handle, and the bottom of the lifting box body is connected with a roller through a supporting leg.
As a further scheme of the invention, the bottom of the lifting box body is connected with a first placing plate through a damping spring, the upper surface of the first placing plate is provided with a first placing groove and a second placing groove, and the first placing groove and the second placing groove are respectively embedded with an energy converter and a transmission line.
As a further scheme of the invention, the rack is slidably connected to the side wall of the limiting block through a sliding groove formed in the side wall of the rack, and the limiting block is fixedly connected to the inner wall of the lifting box body.
As a further scheme of the invention, a second handle is embedded in the side wall of the rocker, and a first handle is embedded in the side wall of the hand-operated wheel.
As a further scheme of the invention, the bottom of the protective shell is connected with the buffer plate through a damping spring II.
As a further scheme of the invention, a support is embedded at the bottom of the protective shell.
In summary, compared with the prior art, the embodiment of the invention has the following beneficial effects:
1. the second handle is shaken and the third gear is driven to rotate through the rocker, so that the rack transmits power to the second placing plate through the support rod, the second placing plate can rotate around the shaft pin in the fixing frame, the function of adjusting the angle of the concrete ultrasonic detector is realized, a user does not need to take the second placing plate out of the protecting shell and can operate the ultrasonic detector, convenience is improved, and the multifunctional concrete ultrasonic detector has the advantage of good humanization.
2. Utilize the meshing transmission principle of gear, it is rotatory to wave hand rocking wheel through handle one and drive first screw rod and second screw rod for the lift box can be through lifter plate along first screw rod and second screw rod axis direction up-and-down motion, has realized the function of going up and down, and when rising, the user of being convenient for takes out ultrasonic detector, can drop it to the protective housing bottom after ultrasonic detector uses the completion, possesses the characteristics of being convenient for to take and deposit.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of embodiments 1 to 3 in the present invention.
Fig. 2 is a connection relationship diagram of a third gear and a rack in embodiment 1 of the invention.
Fig. 3 is an isometric view of a slide cover in embodiment 2 of the invention.
Reference numerals: 1-handle, 2-sliding cover, 201-sliding rail, 3-first placing groove, 4-second placing groove, 5-first placing plate, 6-first gear, 7-second gear, 8-first handle, 9-hand wheel, 10-protective shell, 11-first damping spring, 12-first screw, 13-first synchronizing wheel, 14-buffer plate, 15-second damping spring, 16-synchronous belt, 17-lifting box, 18-roller, 19-supporting leg, 20-supporting seat, 21-second synchronizing wheel, 22-second screw, 23-rocker, 231-second handle, 24-lifting plate, 25-third gear, 26-limiting block, 27-rack, 271-sliding groove, 28-supporting rod, 29-second placing plate, 30-a fixed frame, 31-a concrete ultrasonic detector and 32-a bracket.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Example 1
Referring to fig. 1 to 2, a monitoring device for monitoring the dynamic situation of concrete cracking comprises a concrete ultrasonic detector 31, a lifting box body 17, a third gear 25 and a rack 27, wherein the concrete ultrasonic detector 31 is embedded in a second mounting plate 29, a bracket 32 embedded in the middle of the lower part of the second mounting plate 29 is connected with a fixed frame 30 embedded in the bottom of the lifting box body 17 through a shaft pin, the second mounting plate 29 can rotate around the shaft pin in the fixed frame 30, one end of the lower part of the second mounting plate 29 is connected with a support rod 28 embedded in the top of the rack 27 through the shaft pin, the side wall of the rack 27 is connected with the third gear 25 through a gear tooth, the rack 27 can be driven to move up and down by utilizing the meshing transmission principle of the third gear 25, the third gear 25 is connected with the side wall of the lifting box body 17 through a rotating shaft, a rocker 23 is embedded in the end part of the, the rocking bar 23 is convenient for users to rock, and the rocking bar has the characteristics of convenient operation and good comfort.
The second handle 231 is shaken and the third gear 25 is driven to rotate through the rocker 23, so that the rack 27 transmits power to the second placing plate 29 through the supporting rod 28, the second placing plate 29 can rotate around the shaft pin in the fixing frame 30, the function of adjusting the angle of the concrete ultrasonic detector 31 is realized, a user can operate the ultrasonic detector 31 without taking the ultrasonic detector out of the protective shell 10, convenience is improved, and the device has the advantage of good humanization.
The embedded lifter plate 24 in the two sides of the lifter box body 17 is respectively connected to the surfaces of the first screw 12 and the second screw 22 in a sliding manner, the first screw 12 and the second screw 22 are fixedly connected in a cavity formed in the inner wall of the protective shell 10, the first gear 6 embedded in the top end of the first screw 12 is connected with the second gear 7 through gear teeth, the second gear 7 is connected with the hand wheel 9 through a fixed shaft, a first handle 8 is embedded in the side wall of the hand wheel 9 and has the characteristic of convenience in operation, the first synchronizing wheel 13 embedded in the bottom end of the first screw 12 is connected with the second synchronizing wheel 21 embedded in the bottom of the second screw 22 through a synchronous belt 16, the first screw 12 can drive the second screw 22 to rotate through the synchronous belt 16, the meshing transmission principle of the gears is utilized, the hand wheel 9 is shaken through the first handle 8 to drive the first screw 12 and the second screw 22 to rotate, so that the lifter box body 17 can move up and down along the axial direction, realized the function of lift, when the lift-up, the user of being convenient for takes out ultrasonic detector 31, can drop it to protective housing 10 bottom after ultrasonic detector 31 uses the completion, possesses the characteristics of being convenient for take and deposit.
The lifting box body 17 bottom is connected through damping spring 11 and is laid board 5, and damping spring 11 possesses the effect of shock attenuation buffering, can prevent that inside transducer from damaging because of violent vibrations, lay board 5 upper surface and seted up standing groove 3 and standing groove two 4, standing groove 3 and standing groove two 4 are embedded into respectively has transducer and transmission line, are convenient for conclude the arrangement to it, prevent transmission line and transducer intertwine.
Example 2
Referring to fig. 1 and 3, a monitoring device for monitoring a dynamic situation of concrete cracking further includes a protective housing 10, a sliding cover 2 is installed on the top of the protective housing 10, the sliding cover 2 plays a role in sealing and can prevent dust from entering, a sliding rail 201 embedded in the bottom of the sliding cover 2 is slidably connected in a groove formed in the top of the protective housing 10, the sliding cover 2 can slide on the top of the protective housing 10 through the sliding rail 201 to realize opening and closing functions, a handle 1 is fixedly connected to the top of the sliding cover 2 to facilitate pulling of the sliding cover 2, and the bottom of a lifting housing 17 is connected with a roller 18 through a support leg 19, so that the monitoring device has the characteristic of being convenient to move.
The bottom of the protective shell 10 is embedded with a support 20, and the protective shell has the characteristic of good stability.
Example 3
Please refer to fig. 1, a monitoring device for monitoring the dynamic condition of concrete cracking further includes a rack 27, the rack 27 is slidably connected to the side wall of the limiting block 26 through a sliding groove 271 formed on the side wall of the rack 27, the limiting block 26 has the function of limiting and guiding, the rack 27 can be prevented from shaking in the moving process, the stability is improved, and the limiting block 26 is fixedly connected to the inner wall of the lifting box body 1.
The bottom of the protective shell 1 is connected with the buffer plate 14 through the second damping spring 15, and the buffer plate 14 and the second damping spring 15 can weaken the longitudinal force from the protective shell 1 when the lifting box body 1 descends, so that the lifting box body is prevented from being damaged, and the service life is prolonged.
The rest of the structure of this example is the same as example 1.
The working principle of the invention is as follows: when the ultrasonic detector 31 needs to be taken out, firstly, the hand wheel 9 is shaken through the first handle 8, the first screw 12 and the second screw 22 are driven to rotate by utilizing the meshing transmission principle of the gears, so that the lifting box body 17 can move upwards along the axial directions of the first screw 12 and the second screw 22 through the lifting plate 24, when a user needs to operate the ultrasonic detector 31 in the protective shell 10, the second handle 231 is shaken and the third gear 25 is driven to rotate through the rocker 23, so that the rack 27 transmits power to the second placing plate 29 through the support rod 28, the second placing plate 29 can rotate around a shaft pin in the fixing frame 30, and the function of adjusting the angle of the ultrasonic detector 31 for concrete is realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A monitoring device for monitoring the dynamic condition of concrete cracking comprises a concrete ultrasonic detector (31), a lifting box body (17), a gear III (25) and a rack (27), and is characterized in that the concrete ultrasonic detector (31) is embedded in a second placing plate (29), a support (32) embedded in the middle of the lower portion of the second placing plate (29) is connected with a fixing frame (30) embedded in the bottom of the lifting box body (17) through a shaft pin, one end of the lower portion of the second placing plate (29) is connected with a support rod (28) embedded in the top of the rack (27) through the shaft pin, the side wall of the rack (27) is connected with the gear III (25) through a gear tooth, the gear III (25) is connected with the side wall of the lifting box body (17) through a rotating shaft, a rocker (23) is embedded in the end portion of the rotating shaft, the lifting plates (24) embedded in two sides of the lifting box body (17) are respectively connected to the surfaces of a, first screw rod (12) and second screw rod (22) fixed connection are in the cavity that protective housing (10) inner wall was seted up, first screw rod (12) top is inlayed gear (6) and is passed through the teeth of a cogwheel and connect gear two (7), gear two (7) are through fixed axle connection hand wheel (9), first screw rod (12) bottom is inlayed synchronizing wheel one (13) and is connected second screw rod (22) bottom mosaic synchronizing wheel two (21) through hold-in range (16).
2. The monitoring device for monitoring the dynamic condition of concrete fracture is characterized in that a sliding cover (2) is installed at the top of the protective shell (10), a sliding rail (201) embedded at the bottom of the sliding cover (2) is slidably connected in a groove formed in the top of the protective shell (10), a handle (1) is fixedly connected to the top of the sliding cover (2), and the bottom of the lifting box body (17) is connected with a roller (18) through a supporting leg (19).
3. The monitoring device for monitoring the dynamic condition of concrete cracking is characterized in that the bottom of the lifting box body (17) is connected with a first placing plate (5) through a first damping spring (11), the upper surface of the first placing plate (5) is provided with a first placing groove (3) and a second placing groove (4), and a transducer and a transmission line are respectively embedded in the first placing groove (3) and the second placing groove (4).
4. A device for monitoring the dynamic situation of concrete cracking according to claim 3, wherein the rack (27) is slidably connected to the side wall of the limit block (26) through a sliding groove (271) formed in the side wall of the rack, and the limit block (26) is fixedly connected to the inner wall of the lifting box body (1).
5. The monitoring device for monitoring the concrete fracture dynamic condition is characterized in that a second handle (231) is embedded in the side wall of the rocker (23), and a first handle (8) is embedded in the side wall of the hand-operated wheel (9).
6. A device for monitoring the dynamic situation of concrete cracking according to claim 2, characterized in that the bottom of the protective shell (1) is connected with the buffer plate (14) through a second damping spring (15).
7. A device for monitoring the dynamic conditions of concrete cracks according to claim 6, characterized in that the bottom of said protective shell (10) is embedded with a seat (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011144319.3A CN112179989B (en) | 2020-10-23 | 2020-10-23 | Monitoring device for monitoring concrete fracture dynamic condition |
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| CN202011144319.3A CN112179989B (en) | 2020-10-23 | 2020-10-23 | Monitoring device for monitoring concrete fracture dynamic condition |
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| CN112179989A true CN112179989A (en) | 2021-01-05 |
| CN112179989B CN112179989B (en) | 2022-05-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115097099A (en) * | 2022-06-10 | 2022-09-23 | 北京交通大学 | Model test device for simulating adjacent structure influenced by instability of excavation face |
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