CN210269382U

CN210269382U - Concrete resiliometer

Info

Publication number: CN210269382U
Application number: CN201921019697.1U
Authority: CN
Inventors: 何智勇; 尚庆宽; 张松; 张一弓; 陶琪; 周建桃
Original assignee: Kunshan Transportation Engineering Test Center Co ltd
Current assignee: Kunshan Transportation Engineering Test Center Co ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-04-07
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses a concrete resiliometer, including sleeve, anti-skidding line, slot, roof, anti-scraping pad, fixed buckle, impact rod, first end cover, sealing washer, sliding tray, embedding draw-in groove, casing, buffer spring, impact extension spring, buffer board, connection guide arm, impact hammer, displacement sensor, guide flange, guide spring, digital display, scale, mounting panel and second end cover, the one end of casing is provided with the first end cover, one side grafting of first end cover is provided with the impact rod, the outside of first end cover is provided with the sleeve, inside one side of casing is provided with the impact extension spring, one side of impact extension spring sets up the buffer board, and the buffer board passes through screw and casing fixed connection, the outside of buffer board is provided with the impact hammer; this concrete resiliometer, small in size, simple structure during the use, can have good protection effect to the impact pole, is favorable to improving the accuracy that detects.

Description

Concrete resiliometer

Technical Field

The utility model relates to a resiliometer equipment field specifically is a concrete resiliometer.

Background

The concrete resiliometer is an instrument for nondestructively detecting the compressive strength of the concrete of a structure or a member, and estimates the compressive strength of the concrete by measuring the rebound value of the concrete as an index related to the compressive strength of the concrete; concrete resiliometer among the prior art measures through the tapping rod, and when using, the tapping rod exposes outside for a long time moreover, can cause the damage to the surface of tapping rod to influence the precision of tapping rod when measuring, consequently, it is very necessary to design a concrete resiliometer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concrete resiliometer to solve the problem that proposes among the above-mentioned background art.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a concrete resiliometer, includes sleeve, anti-skidding line, slot, roof, prevents scraping the pad, fixed buckle, impact rod, first end cover, sealing washer, sliding tray, embedding draw-in groove, casing, buffer spring, impact extension spring, buffer board, connecting guide, impact hammer, displacement sensor, guide flange, guide spring, digital display, scale, mounting panel and second end cover, the one end of casing is provided with first end cover, one side grafting of first end cover is provided with the impact rod, the outside of first end cover is provided with the sleeve, inside one side of casing is provided with the impact extension spring, one side of impact extension spring sets up the buffer board, and the buffer board passes through screw and casing fixed connection, the outside of buffer board is provided with the impact hammer, one side fixed mounting of impact hammer has displacement sensor, the other end of impact rod passes first end cover, Spring, buffer board and spring hammer fixed connection are hit to the bullet, the inside of spring pole is provided with buffer spring, and buffer spring's one end is provided with the connecting guide, the inside opposite side of casing is provided with guide flange, the second end cover is installed through threaded connection to the other end of casing, the outside of casing is provided with digital display, and one side of digital display is provided with the scale, digital display and displacement sensor electric connection.

As a further aspect of the present invention: a sealing ring is installed on one side of the first end cover, and the elastic striking rod is installed in the sealing ring in an inserting mode.

As a further aspect of the present invention: two sliding chutes are formed in the outer side of the first end cover, embedding clamping grooves are formed in the inner sides of the sliding chutes, fixing buckles are arranged on two sides of the inner wall of the sleeve, and the fixing buckles penetrate through the sliding chutes to be connected with the embedding clamping grooves in a clamped mode.

As a further aspect of the present invention: the outer side of the sleeve is etched with anti-skid grains.

As a further aspect of the present invention: the telescopic inside slot of having seted up, the bottom packing of slot has the roof, the inner wall laminating of slot is installed and is prevented scraping the pad, the one end of tapping pole penetrates the inside of slot.

As a further aspect of the present invention: one end of the spring impact tension spring is connected with the first end cover through a hook, and the other end of the spring impact tension spring is connected with the buffer board through a hook.

As a further aspect of the present invention: the utility model discloses a damping device, including bouncing rod, connecting guide rod, buffer slot, buffer spring, connecting guide rod and connecting guide rod, the buffer slot has been seted up to inside one side of bouncing rod, and buffer spring's one end and buffer slot fixed connection, buffer spring's the other end and connecting guide rod fixed connection.

As a further aspect of the present invention: the guide flange is connected with the inner wall of the shell in a sliding mode.

As a further aspect of the present invention: and two guide springs are fixedly mounted on one side of the guide flange, and the other ends of the guide springs are fixedly connected with the second end cover.

As a further aspect of the present invention: the mounting panel is all installed through the screw in digital display's both sides, and the mounting panel passes through the screw installation in the outside of casing.

The utility model has the advantages that: the concrete resiliometer is simple in structure and small in size, when the concrete resiliometer is used, the sleeve is sleeved on the exposed outer side of the elastic impact rod, so that a fixed buckle in the sleeve is connected with the sliding groove in a sliding mode, when the fixed buckle reaches the bottom end of the sliding groove, the sleeve is rotated through anti-skidding patterns, the fixed buckle is connected with the embedded clamping groove in a clamping mode, meanwhile, the elastic impact rod is inserted into the inserting groove, the elastic impact rod can be protected through the top plate and the anti-scraping pad, the situation that the elastic impact rod is easily damaged after being exposed outside for a long time is avoided, and the accuracy of the concrete resiliometer in detection can be effectively improved; meanwhile, the distance of the moving of the elastic hammer can be conveniently and accurately measured through the displacement sensor and the digital display, and the measuring accuracy is effectively improved.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of the sleeve of the present invention;

fig. 3 is a cross-sectional view of the housing of the present invention;

in the figure: 1. a sleeve; 2. anti-skid lines; 3. a slot; 4. a top plate; 5. a scratch-resistant pad; 6. fixing the buckle; 7. a tapping rod; 8. a first end cap; 9. a seal ring; 10. a sliding groove; 11. embedding the card into the card slot; 12. a housing; 13. a buffer spring; 14. the tension spring is flicked; 15. a buffer plate; 16. connecting the guide rod; 17. a percussion hammer; 18. a displacement sensor; 19. a guide flange; 20. a guide spring; 21. a digital display; 22. a graduated scale; 23. mounting a plate; 24. a second end cap.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-3, a concrete resiliometer includes a sleeve 1, an anti-slip pattern 2, a slot 3, a top plate 4, a scratch pad 5, a fixing buckle 6, a tapping rod 7, a first end cover 8, a sealing ring 9, a sliding groove 10, an embedding slot 11, a housing 12, a buffer spring 13, a tapping tension spring 14, a buffer plate 15, a connecting guide rod 16, a tapping hammer 17, a displacement sensor 18, a guide flange 19, a guide spring 20, a digital display 21, a scale 22, a mounting plate 23 and a second end cover 24, wherein one end of the housing 12 is provided with the first end cover 8, one side of the first end cover 8 is provided with the tapping rod 7 in an inserting manner, one side of the first end cover 8 is provided with the sealing ring 9, and the tapping rod 7 is installed in the sealing ring 9 in an inserting manner, so as to improve the sealing effect; the sleeve 1 is arranged on the outer side of the first end cover 8, the two sliding grooves 10 are formed in the outer side of the first end cover 8, the embedded clamping grooves 11 are formed in the inner sides of the sliding grooves 10, the fixed buckles 6 are arranged on two sides of the inner wall of the sleeve 1, the fixed buckles 6 penetrate through the sliding grooves 10 and are connected with the embedded clamping grooves 11 in a clamping mode, and the sleeve 1 can be conveniently fixed on the outer side of the first end cover 8; the outer side of the sleeve 1 is etched with anti-skid grains 2, so that the anti-skid effect is improved, and the sleeve 1 is convenient to screw; the socket comprises a sleeve 1, a socket 3, a top plate 4, a scraping-proof pad 5, a striking rod 7 and a top plate 4, wherein the socket 3 is arranged in the sleeve 1, the bottom end of the socket 3 is filled with the top plate 4, the inner wall of the socket 3 is attached and installed with the scraping-proof pad 5, and one end of the striking rod 7 penetrates into the socket 3, so that the end head of the striking; an impact tension spring 14 is arranged on one side inside the shell 12, a buffer plate 15 is arranged on one side of the impact tension spring 14, the buffer plate 15 is fixedly connected with the shell 12 through a screw, one end of the impact tension spring 14 is connected with the first end cover 8 through a hook, and the other end of the impact tension spring 14 is connected with the buffer plate 15 through a hook, so that the connection tightness is improved; an elastic striking hammer 17 is arranged on the outer side of the buffer plate 15, a displacement sensor 18 is fixedly mounted on one side of the elastic striking hammer 17, the other end of the elastic striking rod 7 penetrates through the first end cover 8, the elastic striking tension spring 14 and the buffer plate 15 to be fixedly connected with the elastic striking hammer 17, a buffer spring 13 is arranged inside the elastic striking rod 7, a connecting guide rod 16 is arranged at one end of the buffer spring 13, a buffer groove is formed in one side of the inside of the elastic striking rod 7, one end of the buffer spring 13 is fixedly connected with the buffer groove, and the other end of the buffer spring 13 is fixedly connected with the connecting guide rod 16, so that a buffer effect can be achieved on the connecting guide rod; a guide flange 19 is arranged on the other side inside the shell 12, and the guide flange 19 is connected with the inner wall of the shell 12 in a sliding manner so as to facilitate the guide flange 19 to slide inside the shell 12; a second end cover 24 is installed at the other end of the shell 12 through threaded connection, two guide springs 20 are fixedly installed at one side of the guide flange 19, and the other ends of the guide springs 20 are fixedly connected with the second end cover 24, so that the installation and the disassembly are convenient; a digital display 21 is arranged on the outer side of the shell 12, a graduated scale 22 is arranged on one side of the digital display 21, mounting plates 23 are mounted on two sides of the digital display 21 through screws, and the mounting plates 23 are mounted on the outer side of the shell 12 through screws, so that the connection tightness is improved; the digital display 21 is electrically connected with the displacement sensor 18.

The utility model discloses a theory of operation: in daily use, after a user can hold the equipment through the shell 12, the tapping rod 7 on one side of the first end cover 8 is in contact with a concrete contact surface, the concrete contact surface is extruded towards the tapping rod 7 by pushing the shell 12, the tapping rod 7 slides in the sealing ring 9, when the tapping rod 7 slides, the tapping rod 7 can extrude the tapping tension spring 14 on one side of the buffer plate 15, the tapping rod 7 pushes the tapping hammer 17 to move on the other side of the buffer plate 15, the tapping hammer 17 drives the displacement sensor 18 to generate displacement, the displacement sensor 18 transmits a displacement signal to the digital display 21 on one side of the mounting plate 23, when the tapping rod 7 moves, the connecting guide rod 16 can be pushed through the buffer spring 13, so that the connecting guide rod 16 can push the guide spring 20 to slide in the shell 12, when the guide flange 19 slides, under the supporting action of the second end cover 24, the guide spring 20 can extrude the guide spring 20, so that a guiding effect is achieved, the elastic striking rod 7 is prevented from deviating, after detection is completed, the guide spring 20 pushes the guide flange 19 to reset, the connecting guide rod 16 is reset, meanwhile, the elastic striking tension spring 14 and the buffer spring 13 can reset the elastic striking rod 7 and the elastic striking hammer 17, at the moment, the elastic striking rod 7 and the elastic striking hammer 17 both generate displacement, measurement can be performed again through the displacement sensor 18, signals are transmitted to the digital display 21, detected data can be displayed through the digital display 21, and the graduated scale 22 can conveniently display scales; use the completion after, cup joint sleeve 1 in the exposed outside of impact rod 7 for fixed buckle 6 and sliding tray 10 sliding connection in sleeve 1, when fixed buckle 6 reachd the bottom of sliding tray 10, rotate sleeve 1 through anti-skidding line 2, make fixed buckle 6 carry out the block with embedding draw-in groove 11 and be connected, simultaneously, impact rod 7 inserts the inside of slot 3, can protect impact rod 7 through roof 4 and scratch pad 5.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A concrete resiliometer is characterized by comprising a sleeve (1), anti-skid grains (2), an insertion groove (3), a top plate (4), a scraping-proof pad (5), a fixing buckle (6), an elastic striking rod (7), a first end cover (8), a sealing ring (9), a sliding groove (10), an embedded clamping groove (11), a shell (12), a buffer spring (13), an elastic striking tension spring (14), a buffer plate (15), a connecting guide rod (16), an elastic striking hammer (17), a displacement sensor (18), a guide flange (19), a guide spring (20), a digital display (21), a graduated scale (22), a mounting plate (23) and a second end cover (24), wherein the first end cover (8) is arranged at one end of the shell (12), the elastic striking rod (7) is inserted and arranged at one side of the first end cover (8), the sleeve (1) is arranged at the outer side of the first end cover (8), an elastic striking tension spring (14) is arranged on one side of the interior of the shell (12), a buffer plate (15) is arranged on one side of the elastic striking tension spring (14), the buffer plate (15) is fixedly connected with the shell (12) through a screw, an elastic striking hammer (17) is arranged on the outer side of the buffer plate (15), a displacement sensor (18) is fixedly mounted on one side of the elastic striking hammer (17), the other end of the elastic striking rod (7) penetrates through a first end cover (8), the elastic striking tension spring (14), the buffer plate (15) and the elastic striking hammer (17) to be fixedly connected, a buffer spring (13) is arranged in the elastic striking rod (7), a connecting guide rod (16) is arranged at one end of the buffer spring (13), a guide flange (19) is arranged on the other side of the interior of the shell (12), a second end cover (24) is mounted at the other end of the shell (12) through threaded connection, a digital display (21) is arranged on the outer side of, and one side of the digital display (21) is provided with a graduated scale (22), and the digital display (21) is electrically connected with the displacement sensor (18).

2. The concrete rebound instrument according to claim 1, wherein a sealing ring (9) is mounted on one side of the first end cap (8), and the tapping rod (7) is inserted into the sealing ring (9).

3. The concrete rebound apparatus according to claim 1, wherein two sliding grooves (10) are formed in the outer side of the first end cover (8), the insertion clamping groove (11) is formed in the inner side of each sliding groove (10), the fixing buckles (6) are arranged on both sides of the inner wall of the sleeve (1), and the fixing buckles (6) pass through the sliding grooves (10) to be connected with the insertion clamping grooves (11) in a clamping manner.

4. Concrete rebound according to claim 1, characterized in that the outside of the sleeve (1) is etched with anti-slip threads (2).

5. The concrete rebound apparatus according to claim 1, wherein the sleeve (1) is provided with a slot (3) therein, the bottom end of the slot (3) is filled with a top plate (4), the inner wall of the slot (3) is fitted with a scratch pad (5), and one end of the tapping rod (7) penetrates into the slot (3).

6. The concrete rebound instrument according to claim 1, wherein one end of the spring-striking tension spring (14) is connected with the first end cover (8) through a hook, and the other end of the spring-striking tension spring (14) is connected with the buffer plate (15) through a hook.

7. The concrete rebound apparatus according to claim 1, wherein a buffer slot is formed in one side of the interior of the tapping rod (7), one end of the buffer spring (13) is fixedly connected with the buffer slot, and the other end of the buffer spring (13) is fixedly connected with the connecting guide rod (16).

8. Concrete rebound according to claim 1, characterized in that the guide flange (19) is in sliding connection with the inner wall of the housing (12).

9. The concrete rebound instrument according to claim 1, wherein two guide springs (20) are fixedly mounted on one side of the guide flange (19), and the other ends of the guide springs (20) are fixedly connected with the second end cap (24).

10. Concrete rebound according to claim 1, whereby the digitizing display (21) is mounted with mounting plates (23) by screws on both sides and the mounting plates (23) are mounted with screws on the outside of the housing (12).