CN218956043U

CN218956043U - Digital display measuring instrument for steel mesh frame deflection measurement

Info

Publication number: CN218956043U
Application number: CN202222681330.4U
Authority: CN
Inventors: 雷珺; 刘文桥; 徐迪; 王诗逸; 周建文
Original assignee: Hubei Construction Engineering Quality Supervision Inspection And Testing Center Co ltd; Hubei Academy Of Architectural Sciences And Design Co ltd
Current assignee: Hubei Construction Engineering Quality Supervision Inspection And Testing Center Co ltd; Hubei Academy Of Architectural Sciences And Design Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-05-02
Anticipated expiration: 2032-10-11

Abstract

The utility model relates to the technical field of steel mesh frame deflection measurement, and provides a digital display measuring instrument for steel mesh frame deflection measurement, which comprises a body, wherein an infrared emitter and an infrared receiver for measurement are arranged on the body, a placing position for placing a steel pipe of a steel mesh frame and a magnetic seat for adsorbing the steel pipe on the placing position are also arranged on the body, the placing position is arranged on the upper surface of the body, the positions for mounting the infrared emitter and the infrared receiver are arranged on the lower surface of the body, and a magnetic attraction switch with magnetism or magnetism loss for controlling the magnetic seat is arranged on the body. The measuring instrument is portable, can be taken and used in hands, and has a simple structure and controllable cost; and the steel pipe can be flexibly adsorbed or put down through the magnetic seat, so that the measurement of each steel pipe to be measured by a worker is facilitated.

Description

Digital display measuring instrument for steel mesh frame deflection measurement

Technical Field

The utility model relates to the technical field of steel mesh frame deflection measurement, in particular to a digital display measuring instrument for steel mesh frame deflection measurement.

Background

The grid structure is a space bar system structure, and the stressed bars are connected by the nodes according to a certain rule. The nodes are generally designed to be hinged, the rod is mainly subjected to axial force, and the cross section of the rod is relatively small. The spatially converging bars are in turn mutually supported, organically combining the load-bearing bars with the support system. The grid structure is generally a high-order hyperstatic structure, can well bear concentrated load, dynamic load and asymmetric load, and has good shock resistance. The grid structure can adapt to the requirements of public buildings and factory buildings with different spans and different supporting conditions, and also can adapt to different building planes and combinations thereof.

The steel structure net frame is a space bar system structure formed by connecting a plurality of bars (steel pipes) through nodes according to a certain grid form. The rod members in the grid structure are generally round steel pipes, are stressed rod members and support rod members, work cooperatively, have good integrity and stability and large space rigidity, and are widely used as roof structures of large-span buildings such as gymnasiums, exhibition halls, movie theaters, meeting rooms, waiting halls and the like.

The steel mesh frame structure is easy to generate deflection deformation under the influence of adverse factors such as dead weight, installation error, external load, rust and the like. To ensure safety, periodic deflection measurement after the steel mesh frame roofing project is completed is an important inspection indicator. Roof net rack is generally higher from ground, and the measuring difficulty of using the leveling method to carry out deflection measurement on net rack bolt ball or lower chord member is great and the accuracy of observation point is difficult to guarantee, and the difficulty of arranging the measurement point is big and with high costs when static leveling and sensor (vibration monitoring) are measured.

Disclosure of Invention

The utility model aims to provide a digital display measuring instrument for measuring deflection of a steel mesh frame, which at least can solve part of defects in the prior art.

In order to achieve the above object, the embodiment of the present utility model provides the following technical solutions: the digital display measuring instrument for steel mesh frame deflection measurement comprises a body, wherein an infrared emitter and an infrared receiver for measurement are arranged on the body, a placing position for placing a steel pipe of a steel mesh frame and a magnetic seat for adsorbing the steel pipe on the placing position are also arranged on the body, the placing position is arranged on the upper surface of the body, the positions for installing the infrared emitter and the infrared receiver are arranged on the lower surface of the body, and a magnetic attraction switch with magnetism or magnetism loss for controlling the magnetic seat is arranged on the body.

Further, the placement position is of a V-shaped structure, and two magnetic inclined planes of the V-shaped structure are matched to support the steel pipe.

Further, the body is provided with a level bubble.

Further, the number of the level bubbles is two, one level bubble is horizontally arranged, and the other level bubble is vertically arranged.

Further, the body is provided with an LED display screen for displaying the value of the level bubble.

Further, an operation keyboard for operating the infrared emitter and the infrared receiver is mounted on the body.

Further, a grab handle is arranged on the body.

Further, the body is provided with a storage battery, and the storage battery supplies power for the infrared emitter, the infrared receiver and the LED display screen.

Further, the body is provided with a USB charging hole for charging the storage battery.

Further, a charging indicator lamp for displaying the charging state of the storage battery is arranged on the body.

Compared with the prior art, the utility model has the beneficial effects that: the measuring instrument is portable, can be taken and used in hands, and has a simple structure and controllable cost; and the steel pipe can be flexibly adsorbed or put down through the magnetic seat, so that the measurement of each steel pipe to be measured by a worker is facilitated.

Drawings

FIG. 1 is a schematic diagram of a digital display measuring instrument (strip steel pipe) for measuring deflection of a steel mesh frame according to an embodiment of the utility model;

FIG. 2 is a front view of a digital display measuring instrument for steel mesh frame deflection measurement according to an embodiment of the present utility model;

FIG. 3 is a side view of a digital display measuring instrument for steel mesh frame deflection measurement provided by an embodiment of the utility model;

fig. 4 is a bottom view of a digital display measuring instrument for measuring deflection of a steel mesh frame according to an embodiment of the present utility model;

FIG. 5 is a top view of a digital display measuring instrument for steel mesh frame deflection measurement according to an embodiment of the present utility model;

FIG. 6 is a side view of a digital display measuring instrument (strip steel pipe) for measuring deflection of a steel mesh frame according to an embodiment of the present utility model;

in the reference numerals: 1-a body; 2-grab handles; 3-first level bubbles; 4-a magnetic attraction switch; 5-an LED display screen; 6-a second level bubble; 7-operating a keyboard; 8-a steel pipe; 9-magnetic ramp; 10-USB charging holes; 11-a charge indicator light; 12-infrared emitter and infrared receiver.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 6, an embodiment of the present utility model provides a digital display measuring apparatus for measuring deflection of a steel mesh frame, including a body 1, wherein an infrared emitter and an infrared receiver 12 for measuring are disposed on the body 1, a rest position for placing a steel pipe 8 of the steel mesh frame and a magnetic seat for adsorbing the steel pipe 8 on the rest position are also disposed on the body 1, the rest position is disposed on an upper surface of the body 1, a position for mounting the infrared emitter and the infrared receiver is disposed on a lower surface of the body 1, and a magnetic attraction switch 4 having magnetism or losing magnetism for controlling the magnetic seat is disposed on the body 1. In the embodiment, the measuring instrument is portable, can be taken and used in hands, and has a simple structure and controllable cost; and can adsorb steel pipe 8 or put down steel pipe 8 in a flexible way through the magnetic seat, made things convenient for the staff to measure each steel pipe 8 that awaits measuring. Specifically, after initial adjustment, the magnetic attraction switch 4 is rotated to the "on" position, and the magnetic seat is electrified to be firmly adsorbed on the steel pipe 8, then deflection measurement is performed through the infrared emitter and the infrared receiver 12, the measurement mode is that in the prior art, specifically, the infrared emitter emits infrared rays to the ground and other obstacles, and then the infrared emitter reflects back to the infrared receiver, so that the position of the obstacle can be obtained, and then the distance from the body 1 to the obstacle is the measured value. After the measurement is finished, the magnetic attraction switch 4 is rotated to the off position, and when the magnetism of the magnetic seat is small, the body 1 can be easily taken away from the steel pipe 8, and then the other steel pipes 8 are measured. The magnetic attraction switch 4 is controlled by powering on or off the magnetic seat to make the magnetic seat magnetic or non-magnetic. The magnetic base is in the prior art, and the base in the existing magnetic gauge stand is applied, so that the magnetic gauge stand can have strong magnetism and no magnetic force through the rotation of the magnetic attraction switch 4, and the purpose of adsorbing or not adsorbing the steel pipe is achieved.

As an optimization scheme of the embodiment of the present utility model, referring to fig. 1 to 6, the placement position is in a V-shaped structure, and two magnetic inclined planes 9 of the V-shaped structure cooperate to support the steel pipe 8. In this embodiment, the rest position employs two oppositely disposed magnetic ramps 9 for the placement of the steel tube 8. The magnetic seats can be arranged in the body 1, and magnetism is transmitted to the two magnetic inclined planes 9, or the two magnetic inclined planes 9 are two magnetic seats, and the implementation is not limited to the two magnetic seats.

As an optimization scheme of the embodiment of the present utility model, referring to fig. 1 to 6, a leveling bubble is installed on the body 1. The level bubble has two, one level bubble level sets up, and another one level bubble vertical setting. The body 1 is provided with an LED display screen 5 for displaying the value of the level bubble. In this embodiment, a level bubble may be set to observe whether the gauge and the steel pipe 8 are in a horizontal position, and then the gauge may be adjusted according to the condition measured by the level bubble, for example, the measured result may be displayed by using an existing total station. Two levelling bubbles may be used, of which the first 3 is a vertically arranged levelling bubble and the second 6 is a horizontally arranged levelling bubble. The two level bubbles are matched for use, so that the adjustment of the measuring instrument is more accurate. In addition, the numerical values of the two level bubbles can be displayed on the LED display screen 5, so that the system is more visual, and the existing total station can be adopted. When the measuring instrument is started, the LED screen can automatically display the inclination value of the current position of the instrument. When the measuring instrument is in the horizontal position, the angle value is displayed as 0, and the distance measurement can be performed by pressing an ok key. The last measurement can be cleared by "ZERO" to resume the next measurement. The backlight is turned on so that the display screen can be seen clearly under the condition of insufficient indoor light.

As an optimization scheme of the embodiment of the present utility model, referring to fig. 1 to 6, an operation keyboard 7 for operating the infrared transmitter and the infrared receiver is mounted on the body 1. In this embodiment, the operation mode of the operation keyboard 7 is: wherein OK is a measurement key, zero is a return-to-zero key, the upper part is a startup and shutdown key, and the lower part is a background light on-off key.

As an optimization scheme of the embodiment of the present utility model, referring to fig. 1 to 6, the body 1 is provided with a handle 2. In the embodiment, the handle 2 is arranged to facilitate the hand-held operation and carrying of people.

As an optimization scheme of the embodiment of the present utility model, referring to fig. 1 to 6, the body 1 is provided with a storage battery, and the storage battery is used for powering on the device and powering the infrared transmitter, the infrared receiver, the LED display screen and other electrical components. The body 1 is provided with a USB charging hole 10 for charging the storage battery. The body 1 is provided with a charge indicator lamp 11 for displaying the charge state of the storage battery. In this embodiment, power can be supplied by a battery. The battery can then be charged through the USB charging hole 10. During charging, the charging indicator lamp 11 can be used for prompting whether the storage battery is charged, wherein in the process of charging by the red mark, green represents that the charging is completed. Of course, the storage battery can be installed in a detachable mode, and the storage battery is also feasible to be arranged in a detachable mode, so that the storage battery is convenient to replace.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a digital display measuring apparatu for steel mesh frame deflection measurement, includes the body, be equipped with infrared transmitter and the infrared receiver that are used for measuring on the body, its characterized in that: the infrared transmitter and the infrared receiver are arranged on the lower surface of the body, and the body is provided with a magnetic attraction switch which is used for controlling the magnetic seat to have magnetism or lose magnetism.

2. A digital display measuring instrument for steel mesh deflection measurement as claimed in claim 1, wherein: the placing position is of a V-shaped structure, and two magnetic inclined planes of the V-shaped structure are matched to support the steel pipe.

3. A digital display measuring instrument for steel mesh deflection measurement as claimed in claim 1, wherein: and the body is provided with a level bubble.

4. A digital display measuring instrument for steel mesh deflection measurement as claimed in claim 3, wherein: the level bubble has two, one level bubble level sets up, and another one level bubble vertical setting.

5. A digital display measuring instrument for steel mesh deflection measurement as claimed in claim 3, wherein: the body is provided with an LED display screen for displaying the value of the level bubble.

6. A digital display measuring instrument for steel mesh deflection measurement as claimed in claim 1, wherein: the body is provided with an operation keyboard for operating the infrared transmitter and the infrared receiver.

7. A digital display measuring instrument for steel mesh deflection measurement as claimed in claim 1, wherein: the body is provided with a grab handle.

8. A digital display measuring instrument for steel mesh deflection measurement as claimed in claim 1, wherein: the body is provided with a storage battery.

9. The digital display measuring instrument for steel mesh deflection measurement according to claim 8, wherein: the body is provided with a USB charging hole for charging the storage battery.

10. The digital display measuring instrument for steel mesh deflection measurement according to claim 8, wherein: and a charging indicator lamp for displaying the charging state of the storage battery is arranged on the body.