CN210893736U

CN210893736U - Concrete strength detection device convenient to measure

Info

Publication number: CN210893736U
Application number: CN201921288512.7U
Authority: CN
Inventors: 简美莉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-06-30
Anticipated expiration: 2029-08-09

Abstract

A concrete strength detection device convenient to measure relates to a detection device, which comprises a drilling machine frame, wherein a fixing ring is arranged on the drilling machine frame and is in sliding connection with the drilling machine frame, the fixing ring is connected with a base, a motor A is arranged on the base, a hollow drill bit is arranged on a motor shaft of the motor A, the base is connected with a lifting seat, the lifting seat is positioned on the right side of the base, a motor B is arranged in the lifting seat, a gear A is arranged on a motor shaft of the motor B and is in key connection with the gear A, the gear A is meshed with a rack B, the rack B is arranged on the drilling machine frame, a measuring cup is arranged on the drilling machine frame, the rack and the gear are used for driving a scale, and a moving plate is used for pushing a vernier of the vernier caliper, so that the core sample can be directly measured in length and diameter after the core sample is taken by, the arrangement avoids the complicated measurement steps of the working personnel, and the measurement is simpler and more convenient.

Description

Concrete strength detection device convenient to measure

Technical Field

The utility model relates to a measure convenient concrete strength detection device, concretely relates to detection device.

Background

One of the concrete strength detection methods is a core drilling method, which is to drill a core sample with the diameter of 50mm and the length of more than 50mm directly on an actual structure, and process the core sample into a cylinder with two parallel end surfaces by a cutting machine for testing.

Before the concrete is subjected to strength detection, workers need to measure various data including length, diameter and the like of the core sample, the data are measured directly by the core sample by the aid of the workers holding a ruler, the measuring method not only consumes a lot of time, but also generates large errors if the workers do not pay attention to the measuring method, and a novel technical scheme is specially provided for solving the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point that above-mentioned prior art exists, and provide a measure convenient concrete strength detection device, its convenient to use, easy operation, easily extensive popularization and application.

The utility model adopts the technical proposal that: a concrete strength detection device convenient to measure comprises a drilling machine frame, wherein a fixing ring is arranged on the drilling machine frame and is in sliding connection with the drilling machine frame, the fixing ring is connected with a base, a motor A is arranged on the base, a hollow drill bit is arranged on a motor shaft of the motor A, the base is connected with a lifting seat, the lifting seat is positioned on the right side of the base, a motor B is arranged in the lifting seat, a gear A is arranged on the motor shaft of the motor B and is in key connection with the motor shaft of the motor B, the gear A is meshed with a rack B, the rack B is arranged on the drilling machine frame, a measuring cup is arranged on the drilling machine frame, the inner wall of the measuring cup is connected with one end of a spring, the other end of the spring is connected with a pressing plate, the pressing plate is fixedly connected with a rack C, a measuring plate is arranged at the upper end of the rack C, the left end and the right end of the measuring plate are respectively contacted with a moving plate, the moving plate is positioned between two outer measuring claws of the vernier caliper, and the vernier caliper is arranged on the rack.

The measuring cup is internally provided with two fixing supports, one fixing support is connected with the rack C in a sliding mode, the other fixing support is connected with the graduated scale in a sliding mode, a through hole is formed in the bottom of the measuring cup, and the through hole is located below the rack C.

The utility model has the advantages that: through installing the measuring cup on the frame of rig, then utilize rack and gear to drive the scale, rethread movable plate promotes slide caliper's vernier, just so can directly carry out the measurement of length and diameter to the core appearance after the core appearance is got to the rig brill, the loaded down with trivial details measuring step of staff has been avoided to such setting, makes the measurement simple more convenient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the vernier caliper, the moving plate and the measuring plate of the present invention.

Detailed Description

Referring to the figures, the concrete strength detection device convenient for measurement comprises a drilling machine rack 4, wherein a fixing ring 12 is arranged on the drilling machine rack 4 and is in sliding connection with the drilling machine rack 4, the fixing ring 12 is connected with a base 11, a motor A5 is arranged on the base 11, a hollow drill bit 10 is arranged on a motor shaft of the motor A5, the base 11 is connected with a lifting seat 7, the lifting seat 7 is positioned at the right side of the base 11, a motor B9 is arranged in the lifting seat 7, a gear A8 is arranged on a motor shaft of the motor B9 and is connected with the motor shaft through a key, a gear A8 is meshed with a rack B6, the rack B6 is arranged on the drilling machine rack 4, a measuring cup 18 is arranged on the drilling machine rack 4, the inner wall of the measuring cup 18 is connected with one end of a spring 13, the other end of the spring 13 is connected with a pressing plate 14, the pressing plate 14 is fixedly connected with a rack C15, a measuring plate 1 is arranged, the gear B17 is meshed with the rack A2, the rack A2 is fixedly connected with the graduated scale 3, the left end and the right end of the measuring plate 1 are respectively contacted with a moving plate 20, the moving plate 20 is positioned between two outer measuring claws 21 of the vernier caliper 19, and the vernier caliper 19 is arranged on the rack 4.

Two fixing supports 16 are arranged in the measuring cup 18, one fixing support 16 is connected with the rack C15 in a sliding mode, the other fixing support 16 is connected with the graduated scale 3 in a sliding mode, the fixing supports 16 are used for guaranteeing the vertical state of the rack C15 and the graduated scale 3, and therefore measuring errors caused by the inclination of the graduated scale 3 when a core sample is measured can be avoided; the bottom of the measuring cup 18 is provided with a through hole which is positioned below the rack C15, and the through hole has the function of ensuring that the rack C15 has enough position to move in the downward movement process.

The specific implementation process is as follows: firstly, to perform measurement after drilling a core sample by a drilling machine, firstly starting a motor A5, then driving a hollow drill bit 10 by a motor shaft by a motor A5, starting a motor B9 after the hollow drill bit 10 rotates, enabling a gear A8 to rotate by the motor B9, then enabling a gear A8 to be meshed with a rack B6, enabling a lifting seat 7 to move downwards on a rack 4 through meshing of a gear A8 and a rack B6, and driving a motor A5 to move downwards through a base 11, then enabling the hollow drill bit 10 to slowly contact with concrete downwards and drill the core sample, after the core sample is drilled, taking out the core sample, carefully cleaning slag on the surface of the core sample, so as to reduce measurement errors as much as possible, after cleaning, vertically inserting the core sample into the middle of a moving plate 20, then slowly pressing downwards, wherein the moving plate 20 moves towards the left side and the right side, and the moving plate 20 is arranged on the upper surface to adapt to the diameter of the core sample, the core sample measuring device can be slowly inserted between two moving plates 20, two outer measuring claws 21 of a vernier caliper 19 are separated towards two sides, when a core sample is vertically inserted between the two moving plates 20, the outer measuring claws 21 do not move any more, at the moment, data displayed on the vernier caliper 19 is the diameter of the core sample, then the core sample continues to move downwards, the lower end surface of the core sample is contacted with a measuring plate 1 and then slowly pressed downwards, at the moment, the measuring plate 1 can enable a rack C15 to move downwards and compress a spring 13 through a pressing plate 14, the rack C15 drives a rack A2 through a gear B17, the rack A2 enables a graduated scale 3 to slowly move upwards, and when the upper end surface of the core sample is aligned with the upper end surface of a measuring cup 18, the length of the graduated scale 3 which moves upwards is the length of the core sample; after the measurement is finished, the core sample is moved out of the measuring cup 18, then the compressed spring 13 is reset, the rack C15 is moved upwards, and the graduated scale 3 is moved downwards and returns into the measuring cup 18 through the gear B17 and the rack A2; through the arrangement, the length and the diameter of the core sample can be measured immediately after the core sample is drilled and taken by the drilling machine, so that instant data can be obtained, and the measuring method is simple to operate and convenient to use.

Claims

1. The utility model provides a measure convenient concrete strength detection device, includes rig frame (4), its characterized in that: the drilling machine is characterized in that a fixing ring (12) is arranged on the drilling machine frame (4) and is in sliding connection with the drilling machine frame, the fixing ring (12) is connected with a base (11), a motor A (5) is installed on the base (11), a hollow drill bit (10) is arranged on a motor shaft of the motor A (5), the base (11) is connected with a lifting seat (7), the lifting seat (7) is located on the right side of the base (11), a motor B (9) is arranged in the lifting seat (7), a gear A (8) is arranged on a motor shaft of the motor B (9) and is in key connection with the motor shaft, the gear A (8) is meshed with a rack B (6), the rack B (6) is installed on the drilling machine frame (4), a measuring cup (18) is arranged on the drilling machine frame (4), the inner wall of the measuring cup (18) is connected with one end of a spring (13), and the other end of the spring, clamp plate (14) and rack C (15) fixed connection, rack C (15) upper end is equipped with gage plate (1), rack C (15) mesh mutually with gear B (17), gear B (17) mesh mutually with rack A (2), rack A (2) and scale (3) fixed connection, gage plate (1) about both ends respectively with a movable plate (20) contact, movable plate (20) are located between two outside gauge claws (21) of slide caliper (19), slide caliper (19) are installed in frame (4).

2. A concrete strength detecting apparatus convenient to measure according to claim 1, wherein: two fixing supports (16) are arranged in the measuring cup (18), one fixing support (16) is connected with the rack C (15) in a sliding mode, the other fixing support (16) is connected with the graduated scale (3) in a sliding mode, a through hole is formed in the bottom of the measuring cup (18), and the through hole is located below the rack C (15).