CN210775094U - Digital display resiliometer for concrete detection - Google Patents
Digital display resiliometer for concrete detection Download PDFInfo
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- CN210775094U CN210775094U CN201921573029.3U CN201921573029U CN210775094U CN 210775094 U CN210775094 U CN 210775094U CN 201921573029 U CN201921573029 U CN 201921573029U CN 210775094 U CN210775094 U CN 210775094U
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- digital display
- rod
- spring
- tail
- resiliometer
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Abstract
The utility model relates to a concrete detection area specifically is a digital display resiliometer for concrete detection, including equipment principal, equipment principal's top threaded connection has the end cover, the central department activity gomphosis of end cover has the button, equipment principal's bottom threaded connection has the tail-hood, and the activity of the center department of tail-hood is pegged graft and is had the impact pole, fixed mounting has the digital display in the equipment principal, and the front end gomphosis of digital display has the display screen, the below equidistance that lies in the display screen on the digital display is provided with the numerical key, the inside center department of equipment principal has erect a guide arm, and the guide arm runs through half of impact pole length. This application adopts pressure sensor to detect the pressure value of resilience, and the digital display ware comes the concrete digit of reality to remedy traditional resiliometer and reflects the shortcoming that the value of resilience is difficult to see clearly in the dark through pointer and scale, and digital display is more directly perceived simultaneously.
Description
Technical Field
The utility model relates to a concrete detection area specifically is a digital display resiliometer for concrete detection.
Background
A concrete resiliometer is a detection device that estimates the compressive strength of concrete by driving a striking hammer by a spring and by the restoring force of instantaneous elastic deformation generated when a striking rod strikes the surface of the concrete, causing the striking hammer to drive a pointer to rebound and indicate the distance of rebound. It is suitable for detecting general building components, bridges and various concrete components, etc.
The existing concrete resiliometer uses a pointer and a scale to obtain rebound data, so that the error is large, the data is difficult to see clearly in a dark environment, and the data is irradiated by external light supplement. Accordingly, those skilled in the art have provided a digital readout resiliometer for concrete testing to solve the problems set forth in the background art described above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a problem that proposes in order to solve above-mentioned background art is provided to digital display resiliometer for concrete detection.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a digital display resiliometer for concrete detection, includes equipment principal, equipment principal's top threaded connection has the end cover, the central movable gomphosis of department of end cover has the button, equipment principal's bottom threaded connection has the tail-hood, and the activity of the center department of tail-hood is pegged graft and is had the tapping pole, fixed mounting has the digital display in the equipment principal, and the front end gomphosis of digital display has the display screen, the below equidistance that lies in the display screen on the digital display is provided with the numerical key.
As a further aspect of the present invention: a guide rod is vertically arranged at the center of the interior of the equipment main body and penetrates through the half of the length of the bouncing rod, a buffer spring is arranged between the tail end of the guide rod and the interior of the bouncing rod, and the tension spring is sleeved on the upper half section of the bouncing rod.
As a further aspect of the present invention: the top of extension spring is provided with the elastic hammer, and the elastic hammer activity cup joints on the guide arm, extension spring one end and tail-hood inner wall fixed connection, the other end and elastic hammer fixed connection.
As a further aspect of the present invention: the inside bottom parcel of impact hammer has pressure sensor, and pressure sensor and digital display ware telecommunications connection, the top of impact hammer is cut and is had the gib head.
As a further aspect of the present invention: the tail end of the button is connected with a pressure rod, the tail end of the pressure rod is connected with a return spring, the return spring is wrapped with a protective cylinder and is connected with the bottom end of the end cover, and the lower end of the pressure rod is connected with a group of push-pull rods in a pin connection mode.
As a further aspect of the present invention: the push-pull rods are arranged in a staggered mode, the tail ends of the push-pull rods are connected with hooks in a pin mode, and the tail portions of the hooks are bent into arc-shaped structures to be attached to hook heads.
As a further aspect of the present invention: the inside top of end cover uses the pressure bar to be equipped with a set of dead lever as the original point symmetry, and the end of dead lever has seted up the mounting groove to horizontal gomphosis has pressure spring in the mounting groove, pressure spring's tip and the lower extreme of couple are connected, the interlude level of dead lever is equipped with the connecting rod, and the upper end and the connecting rod pin joint of couple.
Compared with the prior art, the beneficial effects of the utility model are that: this application adopts pressure sensor to detect the pressure value of resilience, it realizes concrete digit through the digital display and has compensatied traditional resiliometer and embody the shortcoming that resilience value is difficult to see clearly in the dark through pointer and scale, digital display is more directly perceived simultaneously, tradition needs the reading, and eyes must be with the pointer level when reading just can, it is very troublesome, just can avoid this shortcoming through this scheme, and the digital display has the record function on the market now, can look over at any time, touch slightly unlike traditional and just lead to the result error, can take notes the acceleration of gravity and the resilience of striking hammer whereabouts simultaneously, can derive data at the later stage, calculate the contrast, compare tradition, the result is more accurate.
Drawings
FIG. 1 is a schematic structural diagram of a digital display resiliometer for concrete detection;
FIG. 2 is a schematic diagram of an internal structure of a digital display resiliometer for concrete detection;
fig. 3 is an enlarged structural schematic diagram of an end cover in a digital display resiliometer for concrete detection.
In the figure: 1. a button; 2. an end cap; 3. a digital display; 4. an apparatus main body; 5. a tail cover; 6. a tapping rod; 7. a number key; 8. a display screen; 9. a percussion hammer; 10. a guide bar; 11. a buffer spring; 12. a hook head; 13. a pressure sensor; 14. a tension spring; 15. a pressure lever; 16. a connecting rod; 17. a push-pull rod; 18. hooking; 19. fixing the rod; 20. a return spring; 21. a pressure spring.
Detailed Description
Please refer to fig. 1-3, in the embodiment of the utility model, a digital display resiliometer for concrete detection, including equipment main body 4, equipment main body 4's top threaded connection has end cover 2, and the movable gomphosis of center department of end cover 2 has button 1, and equipment main body 4's bottom threaded connection has tail-hood 5, and the activity of center department of tail-hood 5 is pegged graft and is had impact rod 6, and fixed mounting has digital display 3 on equipment main body 4, and the front end gomphosis of digital display 3 has display screen 8, and the below equidistance that lies in display screen 8 on the digital display 3 is provided with numerical key 7.
In fig. 2, a guide rod 10 is erected at the center of the inside of the device main body 4, the guide rod 10 penetrates through a half of the length of the striking rod 6, a buffer spring 11 is arranged between the tail end of the guide rod 10 and the inside of the striking rod 6, a tension spring 14 is sleeved on the upper half of the striking rod 6, the guide rod 10 is used for keeping the striking hammer 9 and the striking rod 6 to move vertically, energy consumption caused by deviation of falling and rebounding of the striking hammer 9 and the striking rod 6 is prevented, the buffer spring 11 is used for resetting the striking rod 6 after the striking rod 6 is pressed to abut against the striking hammer 9 to rise and be connected with a hook 18 at a later stage, and acceleration of falling of the striking hammer 9 is provided through the tension spring 14.
In fig. 2, the top of the tension spring 14 is provided with a striking hammer 9, the striking hammer 9 is movably sleeved on the guide rod 10, one end of the tension spring 14 is fixedly connected with the inner wall of the tail cover 5, the other end of the tension spring is fixedly connected with the striking hammer 9, and the striking hammer 9 is accelerated by the tension spring 14 when falling to obtain larger impact force.
In fig. 2, the bottom end of the interior of the impact hammer 9 is wrapped with a pressure sensor 13, the pressure sensor 13 is in telecommunication connection with the digital display 3, a hook 12 is cut at the top of the impact hammer 9, when the impact hammer 9 falls to impact the impact rod 6, the pressure sensor 13 records the gravity acceleration of the falling, the rebounding force is recorded when the impact rod 6 rebounds, the pressure received by the pressure sensor 13 is converted into a numerical value through the digital display 3 and is displayed through the display screen 8, the numerical key 7 is used for clearing zero and reversing the previous experimental data, and the hook 12 is connected with the hook 18 to enable the impact hammer 9 to ascend.
In fig. 2, a pressure rod 15 is connected to the end of a button 1, a return spring 20 is connected to the end of the pressure rod 15, a casing is wrapped outside the return spring 20 and is connected to the bottom end of an end cover 2, a set of push-pull rods 17 is connected to the lower end of the pressure rod 15 in a pin connection mode, the pressure rod 15 is used for transmitting force, the pressure rod 15 descends by squeezing the button 1 to drive the push-pull rods 17 to move downwards, the push-pull rods 17 push hooks 18 to move towards two sides, and therefore the hooks 18 release hooks 12, and the elastic hammer 9 falls.
In fig. 2, a set of push-pull rods 17 are arranged in a staggered manner, a hook 18 is pinned to the end of each push-pull rod 17, the tail of each hook 18 is bent into an arc-shaped structure to be attached to the hook head 12, and the hook 18 is used for hooking the hook head 12 to enable the elastic hammer 9 to ascend and then to be fixed.
In fig. 2, a set of fixing rods 19 is symmetrically arranged at the top end of the end cover 2 by using a pressure rod 15 as an original point, an installation groove is formed in the tail end of each fixing rod 19, a pressure spring 21 is horizontally embedded in the installation groove, the end of the pressure spring 21 is connected with the lower end of a hook 18, a connecting rod 16 is horizontally arranged at the middle section of each fixing rod 19, the upper end of the hook 18 is in pin connection with the connecting rod 16, when the hook 18 fixes the striking hammer 9, the pressure is provided by the pressure spring 21 to lock the hook head 12, the striking hammer 9 is prevented from falling off, the hook 18 forms a lever structure through the connecting rod 16, and when the push-pull rod 17 pushes the hook 18, the lower end of the hook 18 returns to be.
The utility model discloses a theory of operation is: when the device is used, the striking rod 6 is aligned to a concrete surface and slightly applies force, then the button 1 is pressed, the pressure rod 15 is lowered through the button 1, the pressure rod 15 drives the push-pull rod 17 to move downwards, the return spring 20 is pressed, the pressure spring 21 is also contracted under the pressure of the push-pull rod 17, the connecting rod 16 enables the hook 18 to form a lever structure, so that when the push-pull rod 17 pushes the hook 18, the lower end of the hook 18 is separated back, the striking hammer 9 is released, the striking hammer 9 moves downwards along the guide rod 10, the striking hammer 9 is accelerated through the tension spring 14 to obtain larger impact force when falling, when the striking hammer 9 falls to strike the striking rod 6, the pressure sensor 13 (model is QDW90A) records the gravity acceleration of falling, then the striking hammer 9 impacts the striking rod 6, the striking rod 6 applies pressure to the concrete surface, the concrete surface absorbs a part of component of force, and the other part of component of force is rebounded to the striking hammer 9 through the striking rod 6, the strength that pressure sensor 13 recorded resilience when elastic stem 6 bounce, pressure sensor 13 accepts pressure and converts numerical value and shows through display screen 8 through digital display 3 (the model is VW600), numerical key 7 is used for zero clearing and turns over last experimental data back, this is a test, press elastic stem 6 hard after the test is accomplished, elastic stem 6 retracts and pushes away elastic hammer 9 and rise in advancing equipment main part 4, when elastic hammer 9 rises to a take the altitude, the gib head 12 at its top contradicts couple 18, couple 18 opens to both sides once more, hold gib head 12, pressure spring 21 provides the interference for it, prevent elastic hammer 9 and drop, elastic hammer 9 just resets like this, elastic stem 6 resets under buffer spring 11's drive.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a digital display resiliometer for concrete detection, includes equipment main part (4), its characterized in that: the top threaded connection of equipment main part (4) has end cover (2), the activity gomphosis of center department of end cover (2) has button (1), the bottom threaded connection of equipment main part (4) has tail-hood (5), and the activity of center department of tail-hood (5) is pegged graft and is had impact pole (6), fixed mounting has digital display (3) on equipment main part (4), and the front end gomphosis of digital display (3) has display screen (8), the below equidistance that lies in display screen (8) on digital display (3) is provided with numerical key (7).
2. The digital display resiliometer for concrete detection according to claim 1, wherein a guide rod (10) is erected at the center of the interior of the apparatus main body (4), the guide rod (10) penetrates through a half of the length of the tapping rod (6), a buffer spring (11) is arranged between the tail end of the guide rod (10) and the interior of the tapping rod (6), and the upper half section of the tapping rod (6) is sleeved with a tension spring (14).
3. The digital display resiliometer for concrete detection according to claim 2, wherein a spring hammer (9) is arranged at the top of the tension spring (14), the spring hammer (9) is movably sleeved on the guide rod (10), one end of the tension spring (14) is fixedly connected with the inner wall of the tail cover (5), and the other end of the tension spring (14) is fixedly connected with the spring hammer (9).
4. The digital display resiliometer for concrete detection according to claim 3, wherein the bottom end of the interior of the impact hammer (9) is wrapped with a pressure sensor (13), the pressure sensor (13) is in telecommunication connection with the digital display (3), and the top of the impact hammer (9) is cut with a hook head (12).
5. The digital display resiliometer for concrete detection according to claim 1, wherein the end of the button (1) is connected with a pressure rod (15), the end of the pressure rod (15) is connected with a return spring (20), the return spring (20) is wrapped with a pile casing and connected with the bottom end of the end cover (2), and the lower end of the pressure rod (15) is connected with a set of push-pull rods (17) in a pin mode.
6. The digital display resiliometer for concrete detection according to claim 5, wherein a set of said push-pull rods (17) are arranged in a staggered manner, and the end pin of the push-pull rod (17) is connected with a hook (18), and the tail of the hook (18) is bent into an arc-shaped structure to be attached to the hook head (12).
7. The digital display resiliometer for concrete detection according to claim 6, wherein a set of fixing rods (19) is symmetrically arranged at the top end of the interior of the end cover (2) with the pressure rod (15) as the origin, a mounting groove is formed at the tail end of each fixing rod (19), a pressure spring (21) is horizontally embedded in each mounting groove, the end of each pressure spring (21) is connected with the lower end of the corresponding hook (18), a connecting rod (16) is horizontally arranged in the middle section of each fixing rod (19), and the upper end of each hook (18) is in pin connection with the corresponding connecting rod (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921573029.3U CN210775094U (en) | 2019-09-20 | 2019-09-20 | Digital display resiliometer for concrete detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921573029.3U CN210775094U (en) | 2019-09-20 | 2019-09-20 | Digital display resiliometer for concrete detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210775094U true CN210775094U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921573029.3U Expired - Fee Related CN210775094U (en) | 2019-09-20 | 2019-09-20 | Digital display resiliometer for concrete detection |
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| Country | Link |
|---|---|
| CN (1) | CN210775094U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113152274A (en) * | 2021-05-10 | 2021-07-23 | 铜仁学院 | Nondestructive testing equipment for bridge |
-
2019
- 2019-09-20 CN CN201921573029.3U patent/CN210775094U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113152274A (en) * | 2021-05-10 | 2021-07-23 | 铜仁学院 | Nondestructive testing equipment for bridge |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 Termination date: 20210920 |
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| CF01 | Termination of patent right due to non-payment of annual fee |