CN217586622U

CN217586622U - Digital resiliometer

Info

Publication number: CN217586622U
Application number: CN202221268306.1U
Authority: CN
Inventors: 王美乾; 吴永红; 许蔚
Original assignee: Kunming University of Science and Technology
Current assignee: Kunming University of Science and Technology
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-10-14
Anticipated expiration: 2032-05-25

Abstract

The utility model relates to the field of non-destructive testing of concrete and rocks, and discloses a digital hammer, comprising a casing, a cylinder is arranged inside the casing, an output end of the cylinder is fixedly connected to a second fixing plate, and a lower end of the cylinder is The tail cover is fixedly connected, a return spring is arranged outside the output end of the cylinder, one end of the return spring is fixedly connected to the lower end of the second fixing plate, and the upper end of the second fixing plate is provided with a flange fixing seat, and the flange fixing seat The upper end is provided with a guide flange, the upper end of the guide flange is provided with a percussion hammer, the upper end of the percussion hammer is provided with a force spring, the upper end of the first fixing plate is fixedly connected to a buffer spring, and the upper end of the buffer spring is fixedly connected The hammer head is provided with a sensor outside the casing. In the utility model, the low rebound data caused by the friction force change of the grating slider and the track deviation of the traditional digital display hammer is avoided, and the detection process can be controlled in real time.

Description

Digital resiliometer

Technical Field

The utility model relates to a concrete, rock nondestructive test field especially relate to a digital resiliometer.

Background

The concrete surface hardness has a certain relation with the concrete ultimate strength, the rebound height of the rebound hammer of the resiliometer is in a certain relation with the concrete surface hardness when the rebound hammer is hit on the concrete surface by a certain elastic force. Therefore, the surface hardness of the concrete can be tested by using the resiliometer, and the concrete strength can be indirectly measured by combining the concrete carbonization depth. The digital resiliometer is also called digital display resiliometer and digital resiliometer. The method is suitable for large project quality inspection of government departments, field quality spot inspection of each project quality supervision organization and supervision unit, and can obtain the detection result of the compressive strength of the spot-inspected concrete structure in time.

The result obtained by the current detection mode has lower precision. The method is not suitable for components with obvious quality difference between the surface and the content, and the result is greatly influenced by a plurality of factors such as the raw materials of the concrete, the construction process, the maintenance condition and the like. Can not mutually cooperate with current mobile device, intelligent degree is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a digital resiliometer.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a digital resiliometer, includes the casing, the inside cylinder that is provided with of casing, cylinder output end fixed connection second fixed plate, cylinder lower extreme fixed connection tail-hood, the cylinder output end outside is provided with reset spring, reset spring one end fixed connection is at second fixed plate lower extreme, second fixed plate upper end is provided with the flange fixing base, flange fixing base upper end is provided with flange, the flange upper end is provided with the striking hammer, striking hammer upper end is provided with afterburning spring, afterburning spring upper end fixed connection spring holder, the spring holder upper end is provided with first fixed plate, first fixed plate upper end fixed connection buffer spring, buffer spring upper end fixed connection tup.

As a further description of the above technical solution:

the lower end of the spring seat is fixedly connected with a guide rod, and the circumferential surface of the guide rod penetrates through and is fixedly connected with the elastic hammer and the guide flange.

As a further description of the above technical solution:

the guide rod and the stress application spring are positioned on the same axis, and the lower end of the guide rod is fixedly connected with the flange fixing seat.

As a further description of the above technical solution:

the casing outside is provided with the sensor, the sensor includes switch, LED screen, fixed orifices, mouth of making a sound, stereo set, controller, signal receiver.

As a further description of the above technical solution:

the sensor passes through fixed orifices and casing fixed connection, the inside controller that is provided with of sensor, the controller upper end is provided with signal receiver, the controller lower extreme is provided with the stereo set.

As a further description of the above technical solution:

the LED sound sensor is characterized in that an LED screen is arranged on one side of the sensor, a switch is arranged in the middle of the LED screen, and a sound raising port is formed in the side wall of the sensor.

As a further description of the above technical solution:

the controller is electrically connected with the signal receiver, the sound box and the LED screen.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first through buffer spring upper end fixed connection tup, the casing outside is provided with the sensor, and the cylinder drives the elastic impact hammer and removes to the tup direction, makes the tup treat and detects the concrete, guarantees the tup in the testing process not with the sensor contact, has avoided traditional digital display resiliometer to change because of grating slider frictional force, the resilience data that the track deviation caused on the low side.

2. The utility model discloses in, through controller and signal receiver, stereo set, LED screen electric connection, signal receiver is used for carrying out the bluetooth with equipment and mobile device and is connected, and the data that will detect are two-screen display on LED screen and cell-phone app shows, and two hints of cooperation pronunciation and vibration can control the detection process in real time.

Drawings

Fig. 1 is a front sectional view of a digital resiliometer according to the present invention;

fig. 2 is a left perspective view of the digital resiliometer provided by the present invention;

fig. 3 is an elevational sectional view of the sensor of the digital resiliometer according to the present invention.

Illustration of the drawings:

1. a housing; 2. a hammer head; 3. a buffer spring; 4. a first fixing plate; 5. a spring seat; 6. a guide rod; 7. a force application spring; 8. a percussion hammer; 9. a guide flange; 10. a flange fixing seat; 11. a second fixing plate; 12. a return spring; 13. a cylinder; 14. a tail cover; 15. a sensor; 16. a switch; 17. an LED screen; 18. a fixing hole; 19. a sound raising port; 20. sounding; 21. a controller; 22. a signal receiver.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a digital resiliometer, which comprises a

housin

1, 1 inside is provided with cylinder 13 of casing, cylinder 13 output end fixed connection second fixed plate 11, cylinder 13 lower extreme fixed connection tail-hood 14, cylinder 13 output end outside is provided with reset spring 12, reset spring 12 one end fixed connection is at second fixed plate 11 lower extreme, it stretches forward to drive second fixed plate 11 through cylinder 13 output, second fixed plate 11 upper end is provided with flange fixing base 10, flange fixing base 10 upper end is provided with guide flange 9, guide flange 9 upper end is provided with impact hammer 8, impact hammer 8 upper end is provided with afterburning spring 7, afterburning spring 7 upper end fixed connection spring holder 5, spring holder 5 upper end is provided with first fixed plate 4, first fixed plate 4 upper end fixed connection buffer spring 3, buffer spring 3 upper end fixed connection tup 2, second fixed plate 11 hits to guide flange 9, guide flange 9 takes impact hammer 8 to advance on guide bar 6, extrude afterburning spring 7, when impact hammer 8 strikes spring holder 5, transmit power for tup 2.

The lower end of the spring seat 5 is fixedly connected with a guide rod 6, the circumferential surface of the guide rod 6 penetrates through and is fixedly connected with an elastic hammer 8 and a guide flange 9, the guide rod 6 and a stress application spring 7 are positioned on the same axis, the lower end of the guide rod 6 is fixedly connected with a flange fixing seat 10, and the guide flange 9 drives the elastic hammer 8 to move back and forth on the guide rod 6.

The sensor 15 is arranged outside the shell 1, the sensor 15 comprises a switch 16, an LED screen 17, a fixing hole 18, a loudspeaker port 19, a sound 20, a controller 21 and a signal receiver 22, the sensor 15 is fixedly connected with the shell 1 through the fixing hole 18, the controller 21 is arranged inside the sensor 15, the signal receiver 22 is arranged at the upper end of the controller 21, the sound 20 is arranged at the lower end of the controller 21, the LED screen 17 is arranged on one side of the sensor 15, the switch 16 is arranged in the middle of the LED screen 17, the loudspeaker port 19 is arranged on the side wall of the sensor 15, the controller 21 is electrically connected with the signal receiver 22, the sound 20 and the LED screen 17, the hammer head 2 feeds data back to the controller 21 through the hardness of a concrete surface, the controller 21 presents the data on the LED screen 17 and broadcasts the data through the sound 20, the digital resiliometer is connected with a mobile phone or computer through the signal receiver 22 through Bluetooth, information collected at the hammer head 2 is sent to equipment connected with the resiliometer through the Bluetooth, a detection report is automatically generated, and the working efficiency is improved.

The working principle is as follows: when a worker uses the resiliometer to measure the strength of concrete, the worker holds the shell 1 to align the hammer head 2 to a surface to be measured, the switch 16 is pressed down, the output end of the cylinder 13 extends out to drive the second fixing plate 11 to extend forwards, the second fixing plate 11 stretches the reset spring 12 to enable the second fixing plate 11 to collide against the guide flange 9, the guide flange 9 drives the elastic hammer 8 to move forwards on the guide rod 6 to extrude the stress spring 7, when the elastic hammer 8 collides against the spring seat 5, force is transmitted to the hammer head 2, the hammer head 2 feeds data back to the controller 21 through the hardness of the concrete surface, the controller 21 presents the data on the LED screen 17, the data is broadcasted through the sound 20 in a voice mode, the digital resiliometer is connected with a mobile phone or a computer through the signal receiver 22, the information collected at the hammer head 2 is sent to equipment connected with the resiliometer in a Bluetooth mode, a detection report is automatically generated, and the working efficiency is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A digital resiliometer, includes casing (1), its characterized in that: casing (1) inside is provided with cylinder (13), cylinder (13) output end fixed connection second fixed plate (11), cylinder (13) lower extreme fixed connection tail-hood (14), cylinder (13) output outside is provided with reset spring (12), reset spring (12) one end fixed connection is at second fixed plate (11) lower extreme, second fixed plate (11) upper end is provided with flange fixing base (10), flange fixing base (10) upper end is provided with guide flange (9), guide flange (9) upper end is provided with impact hammer (8), impact hammer (8) upper end is provided with afterburning spring (7), afterburning spring (7) upper end fixed connection spring holder (5), spring holder (5) upper end is provided with first fixed plate (4), first fixed plate (4) upper end fixed connection buffer spring (3), buffer spring (3) upper end fixed connection tup (2).

2. The digital resiliometer of claim 1, wherein: the lower end of the spring seat (5) is fixedly connected with a guide rod (6), and the circumferential surface of the guide rod (6) penetrates through and is fixedly connected with an elastic hammer (8) and a guide flange (9).

3. The digital resiliometer of claim 2, wherein: the guide rod (6) and the stress spring (7) are positioned on the same axis, and the lower end of the guide rod (6) is fixedly connected with a flange fixing seat (10).

4. The digital resiliometer of claim 1, wherein: the LED display screen is characterized in that a sensor (15) is arranged on the outer side of the shell (1), and the sensor (15) comprises a switch (16), an LED screen (17), a fixing hole (18), a loudspeaker opening (19), a sound (20), a controller (21) and a signal receiver (22).

5. The digital resiliometer of claim 4, wherein: sensor (15) pass through fixed orifices (18) and casing (1) fixed connection, sensor (15) inside is provided with controller (21), controller (21) upper end is provided with signal receiver (22), controller (21) lower extreme is provided with stereo set (20).

6. The digital resiliometer of claim 4, wherein: sensor (15) one side is provided with LED screen (17), be provided with switch (16) in the middle of LED screen (17), sensor (15) lateral wall is provided with sound raising mouth (19).

7. The digital resiliometer of claim 4, wherein: the controller (21) is electrically connected with the signal receiver (22), the sound box (20) and the LED screen (17).