CN218629365U

CN218629365U - Concrete strength measuring device with automatic resilience structure

Info

Publication number: CN218629365U
Application number: CN202223065232.4U
Authority: CN
Inventors: 赖振彬; 帅海乐; 李洋; 杨垣; 谢辉
Original assignee: GUIZHOU ZHONGJIAN ARCHITECTURAL SCIENCE DESIGN INSTITUTE CO LTD
Current assignee: GUIZHOU ZHONGJIAN ARCHITECTURAL SCIENCE DESIGN INSTITUTE CO LTD
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-03-14
Anticipated expiration: 2032-11-18

Abstract

A concrete strength measuring device with an automatic rebound structure comprises a resiliometer, a power device shell and an instrument placing box arranged on one side of the power device shell; the resiliometer is arranged in the instrument placing box; a motor is arranged in the power device shell, and a transmission shaft of the motor is provided with a turntable; the tail end of the resiliometer is fixedly connected with a fixed sleeve, and the fixed sleeve is connected with the bottom wall of the instrument placing box through a sliding rail structure; the fixed sleeve is connected with a rotating wheel through a supporting rod; the peripheral surface of the rotary table comprises an involute arc surface and a linear surface; the peripheral surface of the turntable is in rolling contact with the rotating wheel; a tension spring is connected between the fixed sleeve and the inner wall surface of the power device shell far away from the fixed sleeve. Utilize the driving action of carousel and the pulling force effect of extension spring, can the whole instrument of following of automatic drive resiliometer place the box stretch out in order to detect and will detect after the body of resiliometer can realize automatic resilience and give the elastic impact pole decompression, improved measuring device's degree of automation.

Description

Concrete strength measuring device with automatic resilience structure

Technical Field

The utility model relates to a concrete strength measurement technical field specifically is a concrete strength measurement device who possesses automatic resilience structure.

Background

The basic principle of the concrete resiliometer is that a spring drives a heavy hammer, the heavy hammer impacts an impact rod which is vertically contacted with the surface of concrete with constant kinetic energy, so that local concrete deforms and absorbs a part of energy, the other part of energy is converted into rebound kinetic energy of the heavy hammer, when the rebound kinetic energy is completely converted into potential energy, the rebound of the heavy hammer reaches the maximum distance, and the maximum rebound distance of the heavy hammer is displayed by the instrument in the name of rebound value (the ratio of the maximum rebound distance to the initial length of the spring). Traditional concrete resiliometer when using, need hold the middle part of resiliometer in one hand, play the effect of rightting, another hand holds the afterbody of pressing the resiliometer, applys pressure to the resiliometer, also plays supplementary righting effect simultaneously. In order to facilitate the use of concrete rebounders, there are some related documents that disclose auxiliary devices for concrete rebounders.

For example, the patent with the publication number of CN217443086U discloses a resiliometer for detecting the strength of a concrete wall, which is assisted by arranging a support with stable work, so that the axis of an instrument body and the surface of the concrete wall are always limited to be in a vertical state, the detection error is reduced, and the detection precision is improved; through the cooperation that sets up handle and push pedal for the control process that slides of instrument body is light convenient more, improves the convenience in the testing process.

For another example, patent with publication number CN216284758U, a concrete strength resiliometer for safety certification of damaged houses, ensures that the resiliometer can be always in vertical contact with a wall, further improves the measurement accuracy, and is additionally provided with a force application compression bar to apply pressure to the resiliometer according to the lever principle.

However, among the above-mentioned prior art, the resiliometer can not realize automatic support and lean on to waiting to detect concrete position department, and the body of resiliometer can not kick-back automatically after detecting and give the elastic impact pole decompression, and degree of automation is lower, has seriously influenced the detection progress. In addition, the manual extrusion mode that promotes the resiliometer is adopted to detect among the prior art, causes measurement personnel physical demands easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a concrete strength measurement device who possesses automatic resilience structure for the resiliometer can support automatically and lean on to the concrete position department that detects, and the body of resiliometer can not kick-back automatically after detecting and give the tapping pole decompression, improves detection efficiency.

In order to achieve the purpose, the utility model provides a concrete strength measuring device with an automatic rebound structure, which comprises a resiliometer, a power device shell and an instrument placing box arranged on one side of the power device shell; the resiliometer is arranged in the instrument placing box; a motor is arranged in the power device shell, and a transmission shaft of the motor is provided with a turntable; a fixed sleeve is fixedly connected to the tail end of the resiliometer, and the fixed sleeve is connected with the bottom wall of the instrument placing box through a sliding rail structure; the fixed sleeve is connected with a rotating wheel through a supporting rod; the peripheral surface of the rotary table comprises an involute arc surface and a linear surface; the peripheral surface of the turntable is in rolling contact with the rotating wheel; a tension spring is connected between the fixed sleeve and the inner wall surface of the power device shell far away from the fixed sleeve.

The during operation, the motor provides the torque for the carousel through the transmission shaft, it makes circular motion to drive the carousel, because the carousel periphery possesses the outer peripheral face and includes involute form cambered surface and sharp face, during initial condition, the runner is located the position department that involute form cambered surface is close to the sharp face, when the carousel rotates, along with carousel radius crescent, will promote the runner and then drive that the resiliometer is whole to stretch out in placing the box from the instrument and detect, the circular motion who has realized the carousel is transformed into the linear motion of resiliometer, in-process that stretches out in resiliometer places the box from the instrument, the extension spring can produce deformation, when returning to initial position after the carousel rotation a week, the resiliometer just accomplishes and hits the beating, under extension spring pulling force effect, the resiliometer is pulled back to carousel radius minimum department, accomplish reset action, and then carry out next time and hit repeatedly.

Preferably, the slide rail structure is a trapezoidal guide rail groove formed in the bottom wall of the instrument placing box and a protruding trapezoidal guide rail formed in the fixing sleeve, and the protruding trapezoidal guide rail is matched with the trapezoidal guide rail groove to slide.

Preferably, a plurality of pairs of limiting blocks are arranged in the instrument placing box, each pair of limiting blocks comprises two limiting plates, and the two limiting plates are provided with opposite semicircular depressions and clamped on the outer wall of the resiliometer; the semicircular depressions on the limiting plate are in sliding fit with the outer wall of the resiliometer.

Preferably, a battery box is further connected to the power unit casing, and a storage battery is arranged in the battery box and connected to the motor.

Preferably, the battery box is arranged at one side of the power device shell and is positioned below the instrument placing box.

Preferably, the box body of the battery box is in a mesh plate structure.

Preferably, the bottom plate of the power device shell is of a mesh plate structure.

Preferably, a buffer member is provided at a connecting position of the involute arc surface and the linear surface of the turntable.

Preferably, the buffer component is a buffer spring or a rubber film.

Preferably, the fixed sleeve and the inner wall surface of the power device shell, which is far away from the fixed sleeve, are provided with hooks, and two ends of the tension spring are hung on the hooks.

Since the technical scheme is used, the beneficial effects of the utility model are as follows:

(1) The utility model discloses in, through utilizing the motor to provide the torque for the carousel through the transmission shaft, the circular motion carousel is made to the drive carousel, utilize the carousel periphery to possess the outer peripheral face simultaneously and include involute form cambered surface and tangent plane, utilize the drive effect of carousel, and the pulling force effect of extension spring, can stretch out in order to detect in the whole instrument placing box of follow instrument of automatic drive resiliometer, and can realize automatic resilience for the pressure reduction of impact rod with the body of resiliometer after detecting, measuring device's degree of automation has been improved, and the detection efficiency is improved.

(2) The utility model discloses in, adopt the battery power supply to adopt the motor drive carousel to rotate, need not artifical extrusion promotion resiliometer when measuring, can reduce measurement personnel physical demands.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a concrete strength measuring apparatus with an automatic springback structure according to the present invention;

FIG. 2 is a schematic diagram of the position of the resiliometer as it is ejected by the turntable;

FIG. 3 is a schematic diagram of the position of the resiliometer when automatically retracted;

fig. 4 is a schematic structural view of the turntable of the present invention;

fig. 5 is the structure schematic diagram of the middle stopper of the present invention.

The reference numbers illustrate: 1. a power plant housing; 2. an electric motor; 3. a drive shaft; 4. a turntable; 401. an involute arc surface; 402. a straight line surface; 5. a strut; 6. a rotating wheel; 7. fixing a sleeve; 8. hooking; 9. a tension spring; 10. an instrument placement box; 11. a limiting block; 12. a battery case; 13. a rebound tester; 14. a buffer member.

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Referring to fig. 1 to 5, a concrete strength measuring device with an automatic springback structure according to an embodiment of the present invention includes a resiliometer 13, a power device housing 1, and an instrument placing box 10 disposed at one side of the power device housing 1; the resiliometer 13 is arranged in the instrument placing box 10; a motor 2 is arranged in the power device shell 1, and a transmission shaft 3 of the motor 2 is provided with a rotary table 4; the tail end of the resiliometer 13 is fixedly connected with a fixed sleeve 7, and the fixed sleeve 7 is connected with the bottom wall of the instrument placing box 10 through a sliding rail structure; the fixed sleeve 7 is connected with a rotating wheel 6 through a support rod 5; the outer peripheral surface of the rotating disc 4 comprises an involute arc surface 401 and a linear surface 402; the peripheral surface of the rotary table 4 is in rolling contact with the rotating wheel 6; a tension spring 9 is connected between the fixing sleeve 7 and the inner wall surface of the power device shell 1 away from the fixing sleeve 7.

During operation, motor 2 provides the torque for carousel 4 through transmission shaft 3, drive carousel 4 and make circular motion, because carousel 4 periphery possesses the outer peripheral face including involute form cambered surface 401 and straight line face 402, during initial condition, runner 6 is located involute form cambered surface 401 and is close to the position department of straight line face 402, when carousel 4 rotates, along with the radius of carousel 4 outer peripheral face crescent, will promote runner 6 and then drive resiliometer 13 and wholly stretch out from instrument placement box 10 and detect, realized that the circular motion of carousel 4 is transformed into the linear motion of resiliometer 13, in the process that resiliometer 13 stretches out from instrument placement box 10, extension spring 9 can produce deformation, when returning to initial position after carousel 4 rotates a week, resiliometer 13 just accomplishes hitting, under extension spring 9 pulling force effect, resiliometer 13 is pulled back to carousel 4 radius minimum department, accomplish reset action, and then carry out the repeated hitting of next time.

In this embodiment, the slide rail structure is a trapezoidal guide groove (not shown) formed on the bottom wall of the instrument placement box 10, and a protruding trapezoidal guide rail (not shown) formed on the fixing sheath 7, and the protruding trapezoidal guide rail and the trapezoidal guide groove are matched to slide. Through this structure, be convenient for guarantee resiliometer 13 and make rectilinear motion hitting the in-process, the bullet pole of guarantee resiliometer 13 hits perpendicularly all the time and is hit the face of being surveyed.

A plurality of pairs of limiting blocks 11 are arranged in the instrument placing box 10, each pair of limiting blocks 11 comprises two limiting plates, and the two limiting plates are provided with opposite semicircular depressions and clamped on the outer wall of the resiliometer 13; the semicircular depressions on the limiting plate are in sliding fit with the outer wall of the resiliometer 13. The limiting block 11 is matched with the trapezoid guide rail groove, so that the resiliometer 13 is further guaranteed to make linear motion in the hitting process.

In the present embodiment, a battery case 12 is connected to the power unit case 1, and a battery is provided in the battery case 12 and connected to the motor 2. The storage battery is used for supplying power, so that the solar energy storage device is convenient to use in a construction environment without electricity.

The battery case 12 is disposed at one side of the power unit case 1 below the instrument placement case 10. The structure can make the whole device compact and convenient to carry.

The box body of the battery box 12 is of a mesh plate structure, so that the heat dissipation of the storage battery is facilitated.

The bottom plate of the power device shell 1 is of a mesh plate structure, so that the motor 2 can dissipate heat conveniently.

As shown in fig. 4, a buffer member 14 is disposed at a connection position of the involute arc surface 401 and the linear surface 402 of the turntable 4, so as to reduce impact on the turntable 4 caused by the return of the turning wheel 6 under the action of the tension spring 9, and prolong the service life of the turntable 4 and the turning wheel 6. Further, the buffer member 14 is a buffer spring or a rubber film.

Referring to fig. 1, in this embodiment, hooks 8 are provided on the inner wall surfaces of the fixed sleeve 7 and the power device housing 1 away from the fixed sleeve 7, and both ends of the tension spring 9 are hooked on the hooks 8. By using the hook 8 to install the tension spring 9, it is convenient to replace the tension spring 9 having different tension forces.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation done by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. The utility model provides a concrete strength survey device that possesses automatic structure of kick-backing, includes resiliometer (13), its characterized in that still includes: the power device comprises a power device shell (1) and an instrument placing box (10) arranged on one side of the power device shell (1); the resiliometer (13) is arranged in the instrument placing box (10);

a motor (2) is arranged in the power device shell (1), and a transmission shaft (3) of the motor (2) is provided with a turntable (4);

a fixed sleeve (7) is fixedly connected to the tail end of the resiliometer (13), and the fixed sleeve (7) is connected with the bottom wall of the instrument placing box (10) through a sliding rail structure;

the fixed sleeve (7) is connected with a rotating wheel (6) through a support rod (5); the outer peripheral surface of the rotary table (4) comprises an involute arc surface (401) and a linear surface (402); the peripheral surface of the turntable (4) is in rolling contact with the rotating wheel (6);

a tension spring (9) is connected between the fixed sleeve (7) and the inner wall surface of the power device shell (1) far away from the fixed sleeve (7).

2. The concrete strength measuring apparatus having an automatic resilient structure according to claim 1, wherein the slide rail structure is a trapezoidal guide groove provided on the bottom wall of the instrument housing box (10), and a protruding trapezoidal guide provided on the fixing cover (7), the protruding trapezoidal guide sliding in cooperation with the trapezoidal guide groove.

3. The concrete strength measuring device with the automatic rebound structure according to claim 1, wherein a plurality of pairs of limiting blocks (11) are arranged in the instrument placing box (10), each pair of limiting blocks (11) comprises two limiting plates, and the two limiting plates are provided with opposite semicircular depressions and clamped on the outer wall of the rebound apparatus (13); the semicircular depressions on the limiting plate are in sliding fit with the outer wall of the resiliometer (13).

4. The concrete strength measuring apparatus having an automatic springback structure according to claim 1, wherein a battery case (12) is further connected to the power unit case (1), and a battery is provided in the battery case (12) and connected to the motor (2).

5. The concrete strength measuring apparatus having an automatic resilient structure according to claim 4, wherein the battery case (12) is provided on one side of the power unit case (1) and below the instrument placement case (10).

6. The concrete strength measuring apparatus having an automatic resilient structure according to claim 4, wherein the case body of the battery case (12) has a mesh plate structure.

7. The concrete strength measuring apparatus having an automatic resilient structure according to claim 1, wherein the bottom plate of the power unit case (1) is a mesh plate structure.

8. The concrete strength measuring apparatus having an automatic rebounding structure according to claim 1, wherein a buffer member (14) is provided at a position where the involute arc surface (401) of the turntable (4) and the linear surface (402) are connected.

9. The concrete strength measuring apparatus having an automatic resilient structure according to claim 8, wherein the buffer member (14) is a buffer spring or a rubber sheet.

10. The concrete strength measuring device with an automatic resilient structure according to claim 1, wherein hooks (8) are provided on the inner wall surfaces of the fixing sleeve (7) and the power unit casing (1) away from the fixing sleeve (7), and both ends of the tension spring (9) are hooked on the hooks (8).