Portable steel bar boundary dimension and curvature measuring device

Abstract

The utility model relates to a portable steel bar boundary dimension and curvature measuring device, which is characterized in that a height caliper is fixedly mounted on one side of a supporting seat in the vertical direction, a first laser detector, a first movable fixture, a second movable fixture and a second laser detector are sequentially mounted on the height caliper from bottom to top, and a fixed fixture is fixedly mounted at the front end of the first movable fixture; a fixing anchor nail is installed on the fixing clamp, the front end of the second movable caliper is fixedly connected with a vernier caliper, and a central processing unit is arranged at the bottom end of the height caliper. According to the utility model, the lower end and the upper end of the reinforcing steel bar to be measured can be fixed through the first movable clamp, the fixed clamp, the second movable clamp and the vernier caliper, and parameters such as the inner diameter, the transverse rib height, the longitudinal rib height, the transverse rib width, the longitudinal rib width, the rib spacing, the length and the like of the reinforcing steel bar can be measured through the height caliper and the vernier caliper. The bending degree of the steel bar can be measured through the first laser detector and the second laser detector, operation is convenient, and the measurement accuracy is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building engineering relates to steel bar measuring device, especially convenient steel bar appearance size and degree of bending measuring device. BACKGROUND

[0002] Steel bars are often used in building engineering, and are one of the main components of reinforced concrete structures, mainly used for resisting tension, so whether the parameters of steel bars are within the normal range will directly affect the safety of the entire building. In order to prevent inferior steel bars from being used in building engineering by mistake, judging the performance of steel bars naturally becomes one of the key steps, and the appearance size measurement in steel bar measurement is the most important, which must be paid attention to.

[0003] In the process of steel bar parameter measurement, workers often use multiple tools such as rulers, weighing instruments, and calipers in cooperation, and this process also requires the cooperation of two workers, one worker holds and supports the steel bar, and the other worker holds the relevant instruments to measure, which tests the tacit understanding of the workers. If one of the two workers is not in good condition, it will lead to a large deviation between the result of steel bar parameter measurement and the actual value, so the reliability of the steel bar parameters measured by this method is low, which brings the problems of inconvenience, inaccuracy, and uneconomicalness. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the defects of the prior art, and provides a convenient steel bar appearance size and degree of bending measuring device, in order to solve the problem that workers cannot conveniently and accurately measure the size and appearance parameters of steel bars and judge whether the degree of bending of steel bars is within a scientific and reasonable range in the field of building engineering.

[0005] The utility model solves the technical problem by the following technical scheme:

[0006] The utility model provides a portable steel bar appearance size and bending degree measuring device, including support seat, one side vertical direction fixed installation height caliper, be provided with scale on the height caliper, the lower extreme of height caliper installs first mobile fixture, the front end fixed installation fixed fixture of first mobile fixture, installs fixed anchor nail on the fixed fixture, the upper extreme of height caliper installs second mobile caliper, the front end fixed connection vernier caliper of second mobile caliper, the vernier caliper and fixed anchor nail between clamping measured steel bar, the upper extreme of height caliper is located second mobile caliper above and first mobile caliper below respectively and sets up second laser detection instrument and first laser detection instrument, sets up infrared laser emitter and photoelectric element in first laser detection instrument and second laser detection instrument, the bottom of height caliper is provided with central processing unit, the front end of central processing unit is provided with display screen, first laser detection instrument, second laser detection instrument and display screen all are connected to central processing unit.

[0007] Moreover, the fixed fixture comprises a back plate, a fixed plate is arranged at the rear end of the back plate, two fixed rivets are symmetrically arranged at the front end of the fixed plate, a screw rod through seat is arranged at the front end of the fixed fixture, a threaded screw rod is threadedly connected to the screw rod through seat, a movable plate is arranged on the threaded screw rod, two fixed rivets are symmetrically arranged at the front end of the movable plate, and rotating the threaded screw rod can drive the movable plate to move along the threaded screw rod.

[0008] Moreover, the first mobile caliper and the second mobile caliper are arranged on the height caliper and can move along the height caliper.

[0009] Moreover, a rotating bearing is fixedly arranged at the front end of the second mobile caliper, and the vernier caliper is arranged at the end of the rotating bearing.

[0010] Moreover, a rotating knob is arranged at the end of the threaded screw rod.

[0011] Moreover, the fixed rivet is sleeved with a protective sleeve, and the protective sleeve is in a columnar shape with a narrow middle and wide two sides.

[0012] The utility model has the advantages and beneficial effects that:

[0013] The utility model discloses a first movable fixture and fixed fixture can be placed and fixed to the lower end of the steel bar to be measured, through the second movable fixture and vernier caliper, can be placed and fixed to the upper end of the steel bar to be measured, through rotatable bearing can drive vernier caliper to rotate, through height caliper, vernier caliper, can measure the external dimension parameter of steel bar, through first laser detector and second laser detector can measure the bending degree of steel bar, thereby solve the problem that the measuring device is inconvenient to unify and accurately measure the internal diameter, cross rib height, longitudinal rib height, cross rib width, longitudinal rib width, rib spacing, length, bending degree etc. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural schematic diagram of the utility model;

[0015] Figure 2 It is the connecting structure schematic diagram of fixed fixture, threaded lead screw, fixed anchor nail of the utility model;

[0016] Figure 3 It is the measurement state schematic diagram of the utility model;

[0017] Figure 4 It is the first laser detector structure schematic diagram of the utility model.

[0018] BRIEF DESCRIPTION OF DRAWINGS

[0019] 1, support seat, 2, fixed plate, 3, first laser detector, 4, first movable fixture, 5, fixed fixture, 6, threaded lead screw, 7, fixed anchor nail, 8, height caliper, 9, display screen, 10, second movable fixture, 11, rotating bearing, 12, vernier caliper, 13, second laser detector, 14, infrared laser emitter, 15, photoelectric element, 16- screw rod seat, 17- movable plate, 18- rotating knob, 19- protective sleeve. DETAILED DESCRIPTION

[0020] The utility model will be further described in detail below through specific embodiment, the following embodiment is only descriptive, is not limitative, can not be defined the protection scope of the utility model with this.

[0021] The utility model provides a portable steel reinforcement external dimension and bending degree measuring device, its innovative parts are as follows: including support seat 1, one side vertical direction fixed installation height caliper 8 is established on height caliper 8, is provided with scale, the lower end of height caliper 8 installs first mobile fixture 4, the front end fixed installation fixed fixture 5 of first mobile fixture 4, installs fixed anchor nail 7 on fixed fixture 5, the upper end of height caliper 8 installs second mobile caliper 10, the front end fixed connection vernier caliper 12 of second mobile caliper 10, the between vernier caliper 12 and fixed anchor nail 7 clamping installs the steel reinforcement to be measured, the above second mobile caliper 10 and the below first mobile caliper 4 of height caliper 8 are provided with second laser detector 13 and first laser detector 3 respectively, infrared laser emitter 14 and photoelectric element 15 are provided in first laser detector 3 and second laser detector 13, the bottom of height caliper 8 is provided with central processing unit, the front end of central processing unit is provided with display screen 9, first laser detector 3, second laser detector 13 and display screen 9 are all connected to central processing unit, central processing unit adopts STM32 singlechip.

[0022] The fixed fixture includes a back plate 20, a fixed plate 2 is arranged at the rear end of the back plate 20, two fixed rivets 7 are symmetrically arranged at the front end of the fixed plate 2, a screw rod through seat 16 is arranged at the front end of the fixed fixture 5, a threaded screw rod 6 is threadedly connected to the screw rod through seat 16, a movable plate 17 is arranged on the threaded screw rod 6, and two fixed rivets 7 are symmetrically arranged at the front end of the movable plate 17. By rotating the threaded screw rod 6, the movable plate 17 can be moved along the threaded screw rod 6, and the clamping operation of the steel reinforcement of different sizes can be realized, and the operation is convenient.

[0023] The fixing of the steel reinforcement to be measured is completed by the fixed anchor nail 7 and the rotatable vernier caliper, the operation is convenient, the steel reinforcement is fixed stably, and the accuracy of the measurement result is ensured.

[0024] The first mobile caliper 4 and the second mobile caliper 10 are arranged on the height caliper 8 and can move along the height caliper 8, and the adaptability adjustment of the steel reinforcement of different sizes can be realized.

[0025] A rotating bearing 11 is fixedly arranged at the front end of the second mobile caliper 10, and the vernier caliper 12 is arranged at the end of the rotating bearing 11. The vernier caliper can be rotated by 90° along the height caliper 8, the installation and taking of the steel reinforcement are facilitated, and the operation is convenient.

[0026] A rotating knob 18 is arranged at the end of the threaded screw rod, the stable adjustment of the threaded screw rod by the measurer is facilitated, and the adjustment idle is prevented due to hand slip.

[0027] The fixed rivet is provided with a protective sleeve 19 which is columnar with narrow middle and wide both sides, so as to firmly hold the steel bar and prevent the steel bar from wearing the fixed rivet.

[0028] The working principle of the utility model is as follows:

[0029] The to-be-measured steel bar is fixed by the fixed anchor 7 and the vernier caliper, and the horizontal rib height, vertical rib height, horizontal rib width, vertical rib width, horizontal rib spacing and steel bar length of the to-be-measured steel bar can be measured according to the scale on the height caliper.

[0030] The first laser detector and the second laser detector can automatically calibrate the lower end and the upper end of the to-be-measured steel bar respectively, the measured data is transmitted to the central processing unit to measure the bending degree of the to-be-measured steel bar, and the result is displayed on the display screen, the green font represents that the measured data is within the scientific and reasonable range, and the red font represents that the measured data is not within the reasonable range.

[0031] The first laser detector and the second laser detector adopt phase method laser ranging, emit a very thin laser beam to the target during work, the reflected laser beam is received by a photoelectric element, the phase delay generated by the laser on the to-be-measured steel bar once back and forth is used to indirectly measure the time, so as to calculate the distance, and this method has high precision and high resolution.

[0032] When the shape size parameter of the to-be-measured steel bar is measured, the lower end of the to-be-measured steel bar is placed in the fixed clamp, the threaded screw rod 6 is rotated to drive the movable plate 17 to move along the threaded screw rod 6, so that the fixed rivet moves towards the fixed rivet on the fixed plate to clamp the lower end of the steel bar, and then the rotatable bearing is rotated to the 90° position, at this time, the upper end of the steel bar is placed in the vernier caliper and clamped, so that the problem that a worker needs to hold the steel bar to form inconvenience and inaccuracy during the measurement process of the to-be-measured steel bar is solved.

[0033] The vernier caliper is marked with a scale, and the shape size parameter of the to-be-measured steel bar can be judged according to the scale.

[0034] Although the embodiments and drawings of the utility model are disclosed for the purpose of illustration, those skilled in the art can understand that various substitutions, changes and modifications are possible without departing from the spirit and scope of the utility model and the appended claims, therefore, the scope of the utility model is not limited to the disclosed contents of the embodiments and drawings.

Claims

1. A convenient device for measuring the external dimensions and curvature of reinforcing bars, characterized in that: The utility model provides a kind of steel bar measuring device, including support seat (1), the support seat (1) one side vertical direction fixed installation height caliper (8), the height caliper (8) is provided with scale, the lower end of the height caliper (8) is installed first mobile fixture (4), the front end of the first mobile fixture (4) is fixedly installed fixed fixture (5), and fixed anchor nail (7) is installed on the fixed fixture (5);The upper end of the height caliper (8) is installed second mobile caliper (10), the front end of the second mobile caliper (10) is fixedly connected vernier caliper (12), and the vernier caliper (12) and fixed anchor nail (7) are clamped to be measured reinforcing steel bar;Second laser detector (13) and first laser detector (3) are respectively arranged above the second mobile caliper (10) and below the first mobile fixture (4) on the height caliper (8), infrared laser emitter (14) and photoelectric element (15) are arranged in the first laser detector (3) and the second laser detector (13), and the bottom of the height caliper (8) is provided with central processing unit, and the front end of the central processing unit is provided with display screen (9), and the first laser detector (3), the second laser detector (13) and display screen (9) are connected to the central processing unit.

2. The portable reinforcing bar dimension and crook measuring device of claim 1, wherein: The fixed fixture (5) includes back plate (20), the back plate (20) rear end is provided with fixed plate (2), the front end of the fixed plate (2) is symmetrically installed 2 fixed rivets (7), the front end of the fixed fixture (5) is provided with screw rod through seat (16), the screw rod through seat (16) is threadedly connected with threaded lead screw (6), the threaded lead screw (6) is penetrated with movable plate (17), the front end of the movable plate (17) is symmetrically installed 2 fixed rivets (7), and rotating threaded lead screw (6) can drive movable plate (17) to move along threaded lead screw (6).

3. The portable reinforcing bar dimension and crook measuring device of claim 1, wherein: The first mobile caliper (4) and the second mobile caliper (10) are both arranged on the height caliper (8) and can move along the height caliper (8).

4. The portable reinforcing bar dimension and crook measuring device of claim 1, wherein: The front end of the second mobile caliper (10) is fixedly installed rotating bearing (11), and the rotating bearing (11) end is installed the vernier caliper (12).

5. The portable reinforcing bar dimension and crook measuring device of claim 2, wherein: The end of the threaded lead screw (6) is provided with rotating knob (18).

6. The portable reinforcing bar dimension and crook measuring device of claim 2, wherein: The fixed rivet (7) is sleeved with protective sleeve (19), and the protective sleeve is columnar with narrow middle and wide both sides.

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