Steel structure fireproof coating thickness measuring device

Abstract

The utility model discloses a device for measuring the thickness of a fireproof coating of a steel structure. The shell is in a circular tube shape, one end of the shell is provided with an abutting block, a sliding block, a spring and a screw are arranged in the shell, the end of the screw is connected with the sliding block, the spring is arranged on the screw in a penetrating mode, the sealing cover and the other end of the shell are fixed to limit the spring in the sealing cover, a notch is formed in the surface of the shell and extends towards the two ends along the axis of the notch, and a graduated scale is arranged on the edge of one side of the notch. An indicator is arranged in the notch and connected with the sliding block, a hole is formed in the center of the abutting block, the contact pin penetrates through the hole to be connected with the sliding block, and a locking block is further arranged at the tail end of the screw rod. According to the utility model, the spring is arranged between the pin and the shell, the counter-acting force of the spring is beneficial for the pin to be inserted into the fireproof coating in a more labor-saving manner, the arrangement of the handle accords with human engineering, so that the holding is more labor-saving during detection, and the pin can be detached and stored in the screw to be more convenient to carry; and the pin is inserted into the fireproof coating to lock the fireproof coating, so that displacement is prevented, and accurate reading is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of fire retardant coating thickness measuring devices, in particular to a fire retardant coating thickness measuring device for steel structures. Background Art

[0002] In order to enhance the fireproof performance of steel structure buildings, it is necessary to spray fireproof coatings on the columns, main beams and other load-bearing components of the steel structure; after the fireproof coating nozzle is installed, the thickness of the protective coating needs to be tested to determine whether it meets the construction standards. The main method for detecting the thickness of the existing protective coating is to use a manual handheld detection probe or an ultrasonic thickness meter to detect the thickness of the fireproof coating at the sampling detection point. The handheld detection probe detection device in the prior art is similar to the style of a vernier caliper. The probe is pulled out of one end of the ruler and inserted into the fireproof coating. The ruler moves downward to the surface of the fireproof coating and the reading is taken. The structure of this device is relatively simple, not labor-saving enough when used, and the reading is not accurate enough. In order to solve this problem, a steel structure fireproof coating thickness measuring device is provided. Utility Model Content

[0003] In view of this, the technical problem to be solved by the utility model is to provide a device for measuring the thickness of fire retardant coatings for steel structures, which solves the problems in the prior art that the device structure is relatively simple, is not labor-saving enough in use, and the readings are not accurate enough.

[0004] In order to solve the above technical problems, the utility model discloses a device for measuring the thickness of fire retardant coating for steel structure, comprising: a shell; the shell is in the shape of a circular tube, one end of which is provided with a pressure block, a slider, a spring and a screw are provided inside the shell, the end of the screw is connected to the slider, the spring is passed through the screw, a cover is fixed to the other end of the shell to limit the spring inside the shell, a notch is provided on the surface of the shell, the notch extends to both ends along its axis, a scale is provided on one side edge of the notch, an indicator mark is provided in the notch, the indicator mark is connected to the slider, a hole is provided in the center of the pressure block, a pin passes through the hole and is connected to the slider, and a locking block is also provided at the tail end of the screw.

[0005] Furthermore, the interior of the screw is hollow, and pins of different lengths are stored therein and are limited by a fixed cover.

[0006] Furthermore, a handle is provided on the outer surface of the shell.

[0007] Furthermore, the pin head is pointed.

[0008] Furthermore, the locking block is threadably connected to the screw rod.

[0009] Compared with the prior art, the present application can obtain the following technical effects:

[0010] The utility model provides a spring between the pin and the shell, and the reaction force of the spring is conducive to inserting the pin into the fire retardant coating more labor-savingly. The setting of the handle conforms to ergonomics, making it easier to hold during detection. The pin can be disassembled and stored inside the screw for easier carrying. The pin can be locked when inserted into the fire retardant coating to prevent displacement, which is convenient for accurate reading.

[0011] Of course, any product implementing this application does not necessarily need to achieve all of the technical effects described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0013] Figure 1 It is a schematic diagram of a thickness measuring device according to one embodiment of the present invention.

[0014] Figure ID

[0015] Shell 1, pressing block 2, slider 3, spring 4, screw 5, cover 6, scale 7, indicator mark 8, pin 9, locking block 10, fixed cover 11, handle 12. DETAILED DESCRIPTION

[0016] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0017] Please refer to Figure 1 , Figure 1 It is a schematic diagram of a thickness measuring device according to one embodiment of the present invention.

[0018] A device for measuring the thickness of fire retardant coating for steel structure comprises: a shell 1; the shell 1 is in the shape of a circular tube, a pressure block 2 is provided at one end thereof, a slider 3, a spring 4 and a screw 5 are provided inside the shell 1, the end of the screw 5 is connected to the slider 3, the spring 4 is passed through the screw 5, a cover 6 is fixed to the other end of the shell 1 to limit the spring 4 inside the shell 1, a notch is provided on the surface of the shell 1, the notch extends to both ends along its axis, a scale 7 is provided on one side edge of the notch, an indicator mark 8 is provided in the notch, the indicator mark 8 is connected to the slider 3, a hole is provided in the center of the pressure block 2, a pin 9 passes through the hole and is connected to the slider 3, and a locking block 10 is also provided at the tail end of the screw 5.

[0019] The interior of the screw rod 5 is hollow, and pins 9 of different lengths are stored therein and limited by a fixed cover 11. When measuring, the approximate thickness of the fire retardant coating is estimated, and pins 9 with a length greater than the estimated value are selected; a handle 12 is provided on the outer surface of the shell 1; the head of the pin 9 is pointed; and the locking block 10 is threadedly connected to the screw rod 5.

[0020] Measuring process: Take out the pin 9 from the tail of the screw 5, select a suitable pin 9 and install it on the front end of the slider 3, then insert the pin 9 into the measuring position of the fire retardant coating, make the front end surface of the pressing block 2 lower than the surface of the fire retardant coating, tap the tail of the screw 5 appropriately to make sure that the head of the pin 9 has been inserted into the surface of the steel structure, then rotate the locking block 10, the locking block 10 contacts the housing 1 to lock the pin 9 from moving, and the thickness can be determined by reading the indicator mark 8.

[0021] In summary, the utility model provides a spring 4 between the pin 5 and the shell 1, the reaction force of the spring 4 is conducive to the more labor-saving insertion of the pin 5 into the fire-retardant coating, the setting of the handle 12 conforms to ergonomics, making it easier to hold during detection, the pin 5 can be disassembled and stored inside the screw 5 for easier carrying, and the pin 5 can be locked when inserted into the fire-retardant coating to prevent displacement for accurate reading.

[0022] The above description shows and describes several preferred embodiments of the utility model, but as mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A device for measuring the thickness of fire retardant coating for steel structure, comprising: case; It is characterized in that the shell is in the shape of a circular tube, one end of which is provided with a pressure block, a slider, a spring and a screw are arranged inside it, the end of the screw is connected to the slider, the spring is passed through the screw, the cover is fixed to the other end of the shell to limit the spring inside it, the surface of the shell is provided with a notch, the notch extends to both ends along its axis, a scale is provided on one side edge of the notch, an indicator mark is provided in the notch, the indicator mark is connected to the slider, a hole is provided in the center of the pressure block, the pin passes through the hole and is connected to the slider, and a locking block is also provided at the tail end of the screw.

2. The device for measuring the thickness of fire retardant coating for steel structure according to claim 1, characterized in that: The interior of the screw rod is hollow, and pins of different lengths are stored therein and are limited in position by a fixed cover.

3. The device for measuring the thickness of fire retardant coating for steel structure according to claim 1, characterized in that: A handle is provided on the outer surface of the shell.

4. The device for measuring the thickness of fire retardant coating for steel structure according to claim 1, characterized in that: The pin head is in a pointed shape.

5. The device for measuring the thickness of fire retardant coating for steel structure according to claim 1, characterized in that: The locking block is threadedly connected to the screw rod.

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