Thickness measuring ejector pin for non-expansive fireproof coating

Abstract

The utility model relates to the technical field of thickness detection of non-expansive fireproof coatings, and discloses a thickness measuring ejector pin for non-expansive fireproof coatings, which comprises a base, a measuring scale is welded at the top of the base, a hanging head is connected to the top of the measuring scale through a bolt, a movable block is slidably sleeved on the surface of the measuring scale, and the movable block is connected with the hanging head through a bolt. A positioning assembly and an auxiliary pressing assembly are arranged on the two sides of the movable block correspondingly, and the top of the movable block is connected with a small motor through a bolt. A transmission shaft of a small motor drives a needle rod to rotate, a coating is drilled through the needle rod, a holding rod is pressed downwards to drive a movable plate to move up and down, a spring is pressed downwards through the movable plate to do telescopic motion, the spring drives a movable block and a mounting shell to move up and down, and a threaded rod is rotated to do transverse motion. The threaded rod drives the connecting plate and the friction positioning head to move transversely, and the movable block is positioned through the friction force between the friction positioning head and the measuring scale.

Description

Technical Field

[0001] The utility model relates to the technical field of thickness detection of non - expanding fire - proof coatings, and specifically relates to a thickness - measuring thimble for non - expanding fire - proof coatings. Background Technique

[0002] Fire - proof coatings can improve the fire - resistance ability of materials and slow down the spread speed of flame by brushing the coatings on the surface of materials. After coating, it is usually necessary to detect the coating thickness, so a thickness - measuring thimble is required.

[0003] After retrieval, the publication number is CN220356256U, and the name is a simple thickness - measuring thimble for non - expanding fire - proof coatings, which includes a measuring rod and a spring. Through research and analysis, it is found that although it has the advantages of facilitating the control of the thickness between fire - proof coating layers and improving the construction quality, to a certain extent, it still has the following disadvantages.

[0004] For example, during the use of this device, a relatively large force is required to pierce it into the fire - proof coating, which is not convenient for measuring the coating thickness, increases the workload of staff, and is not convenient for staff to use. To solve the above - mentioned technical problems, we designed a thickness - measuring thimble for non - expanding fire - proof coatings. Content of the Utility Model

[0005] The purpose of the utility model is to provide a thickness - measuring thimble for non - expanding fire - proof coatings, which has the advantage of being convenient to pierce the fire - proof coating, and solves the problem that during the use of this device, a relatively large force is required to pierce it into the fire - proof coating, which is not convenient for measuring the coating thickness, increases the workload of staff, and is not convenient for staff to use.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A thickness - measuring thimble for non - expanding fire - proof coatings includes a base. A measuring scale is welded to the top of the base. A hanging head is connected to the top of the measuring scale through bolts. A movable block is slidably sleeved on the surface of the measuring scale. A positioning component and an auxiliary pressing - down component are respectively arranged on both sides of the movable block. A small - type motor is connected to the top of the movable block through bolts. A needle rod is fixedly sleeved on the transmission shaft of the small - type motor. An installation groove is opened at the top of the movable block, and a storage battery is installed in the inner cavity of the installation groove.

[0007] Preferably, the positioning component includes an installation frame. Both sides of the movable block are connected to the installation frame through bolts. A threaded rod penetrates through the side of the installation frame far away from the movable block. A connecting plate is rotatably connected to the opposite sides of the threaded rod. A friction positioning head is welded to the opposite sides of the connecting plate. The opposite side of the friction positioning head contacts the measuring scale.

[0008] Preferably, the surface of the threaded rod is rotatably connected to the mounting bracket, and a grip is connected to the side of the threaded rod away from the connecting plate by bolts.

[0009] Preferably, the auxiliary pressing component includes a mounting shell. Both sides of the movable block are connected to the mounting shell by bolts. A spring is welded to the bottom of the inner cavity of the mounting shell, and a movable plate is welded to the top of the spring. A grip rod is welded to the side of the movable plate away from the movable block.

[0010] Preferably, a positioning rod is connected to the inner cavity of the mounting shell by bolts. The surface of the positioning rod is slidably connected to the movable plate, and a sliding hole is formed in the side of the mounting shell away from the movable block.

[0011] Preferably, a guide rod is connected to the top of the base by bolts. The top of the guide rod penetrates through the movable block and is slidably connected to the movable block. The top of the guide rod is connected to the hanging head by bolts.

[0012] Preferably, a protective cover is connected to the top of the movable block by bolts, a protective plate is connected to the top of the movable block by bolts, and the small motor is electrically connected to the storage battery.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] In the present utility model, the drive shaft of the small motor drives the needle rod to rotate, the needle rod drills the coating, pressing the grip rod drives the movable plate to move up and down, the movable plate presses the spring to do telescopic movement, the spring drives the movable block and the mounting shell to move up and down, the movable block drives the small motor and the needle rod to move up and down to assist the needle rod in drilling. When encountering a harder device after drilling through the coating, the rotation of the drive shaft of the small motor is stopped;

[0015] In the present utility model, rotating the threaded rod makes a lateral movement, the threaded rod drives the connecting plate and the friction positioning head to make a lateral movement, the friction between the friction positioning head and the measuring scale positions the movable block. After positioning, the device can be picked up, and then the reading can be taken through the pointer on the surface of the movable block and the scale on the surface of the measuring scale, so as to obtain the thickness of the coating. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is an axonometric view of the structure of the present utility model;

[0017] Figure 2 is a perspective view of the mounting bracket and the friction positioning head of the present utility model;

[0018] Figure 3 is a perspective view of the mounting shell and the grip rod of the present utility model;

[0019] Figure 4 is a perspective view of the movable block and the protective plate of the present utility model.

[0020] In the figure: 1. Base; 2. Measuring ruler; 3. Hanging head; 4. Movable block; 5. Installation shell; 6. Positioning rod; 7. Spring; 8. Movable plate; 9. Holding rod; 10. Installation frame; 11. Threaded rod; 12. Connecting plate; 13. Friction positioning head; 14. Small motor; 15. Needle rod; 16. Installation groove; 17. Battery; 18. Protective cover; 19. Protective plate; 20. Guide rod; 21. Positioning assembly; 22. Auxiliary pressing-down assembly. Specific implementation manner

[0021] Please refer to Figures 1 - 4 , a thickness measuring thimble for non - intumescent fire - retardant coatings, comprising a base 1. A measuring ruler 2 is welded to the top of the base 1. A hanging head 3 is connected to the top of the measuring ruler 2 by bolts. A movable block 4 is slidably sleeved on the surface of the measuring ruler 2. A positioning assembly 21 and an auxiliary pressing - down assembly 22 are respectively arranged on both sides of the movable block 4. A small motor 14 is connected to the top of the movable block 4 by bolts. A needle rod 15 is fixedly sleeved on the transmission shaft of the small motor 14. An installation groove 16 is opened at the top of the movable block 4, and a battery 17 is installed in the inner cavity of the installation groove 16.

[0022] Please refer to Figure 1 and Figure 2 , the positioning assembly 21 includes an installation frame 10. By setting the installation frame 10, it is convenient to install the threaded rod 11 and facilitate the normal operation of the threaded rod 11. Both sides of the movable block 4 are connected to the installation frame 10 by bolts. A threaded rod 11 penetrates through one side of the installation frame 10 away from the movable block 4. A connecting plate 12 is rotatably connected to the opposite sides of the threaded rod 11. A friction positioning head 13 is welded to the opposite sides of the connecting plate 12, and the opposite side of the friction positioning head 13 contacts the measuring ruler 2.

[0023] Please refer to Figure 2 , the surface of the threaded rod 11 is rotatably connected to the installation frame 10. A handle is connected to the side of the threaded rod 11 away from the connecting plate 12 by bolts. By setting the handle, it is convenient for the staff to grasp the threaded rod 11 and rotate the threaded rod 11.

[0024] Please refer to Figure 1 and Figure 3 , the auxiliary pressing - down assembly 22 includes an installation shell 5. Both sides of the movable block 4 are connected to the installation shell 5 by bolts. A spring 7 is welded to the bottom of the inner cavity of the installation shell 5. By setting the spring 7, it is convenient to provide an elastic space and facilitate stopping the downward drilling when the needle rod 15 contacts the equipment to be coated. The top of the spring 7 is welded to a movable plate 8, and a holding rod 9 is welded to the side of the movable plate 8 away from the movable block 4.

[0025] Please refer to Figure 3, a positioning rod 6 is connected to the inner cavity of the mounting shell 5 by bolts. By providing the positioning rod 6, it is possible to facilitate the guiding of the movable plate 8 and enable the stable movement of the movable plate 8. The surface of the positioning rod 6 is slidably connected to the movable plate 8. A sliding hole is provided on one side of the mounting shell 5 away from the movable block 4.

[0026] Please refer to Figure 1 , a guiding rod 20 is connected to the top of the base 1 by bolts. By providing the guiding rod 20, it is possible to facilitate the guiding of the movable block 4 and enable the stable movement of the movable block 4. The top of the guiding rod 20 penetrates through the movable block 4 and is slidably connected to the movable block 4. The top of the guiding rod 20 is connected to the hanging head 3 by bolts.

[0027] Please refer to Figure 4 , a protective cover 18 is connected to the top of the movable block 4 by bolts. By providing the protective cover 18, it is possible to facilitate the protection of the small motor 14 and enable the normal operation of the small motor 14. A protective plate 19 is connected to the top of the movable block 4 by bolts. The small motor 14 is electrically connected to the storage battery 17. By providing the protective plate 19, it is possible to facilitate the protection of the storage battery 17 and effectively prevent the storage battery 17 from being damaged.

[0028] During use, the device is controlled by an external controller. The drive shaft of the small motor 14 drives the needle rod 15 to rotate, and the needle rod 15 drills holes in the coating. By pressing down the grip rod 9, the movable plate 8 moves up and down. The movable plate 8 presses down the spring 7 to perform a telescopic movement. The spring 7 drives the movable block 4 and the mounting shell 5 to move up and down. The movable block 4 drives the small motor 14 and the needle rod 15 to move up and down to assist the needle rod 15 in drilling. When the coating is drilled through and a harder device is encountered, the rotation of the drive shaft of the small motor 14 is stopped. By rotating the threaded rod 11 to perform a lateral movement, the threaded rod 11 drives the connecting plate 12 and the friction positioning head 13 to perform a lateral movement. The movable block 4 is positioned by the frictional force between the friction positioning head 13 and the measuring scale 2. After positioning is completed, the device can be picked up, and then the reading can be taken through the pointer on the surface of the movable block 4 and the scale on the surface of the measuring scale 2, so as to obtain the thickness of the coating.

[0029] In summary, for the thickness measuring thimble for non - intumescent fire - retardant coatings, through the storage battery 17, the protective cover 18, the protective plate 19, the guiding rod 20, the positioning assembly 21 and the auxiliary pressing - down assembly 22, the problems that during the use of the device, a relatively large force is required to pierce it into the fire - retardant coating, it is not convenient to measure the coating thickness, the workload of the staff is increased, and it is not convenient for the staff to use are solved.

Claims

1. A thickness measuring pin for non-intumescent fire retardant coating, comprising a base (1), characterized in that: A measuring ruler (2) is welded to the top of the base (1), a hanging head (3) is connected to the top of the measuring ruler (2) by bolts, a movable block (4) is provided on the surface sliding sleeve of the measuring ruler (2), a positioning assembly (21) and an auxiliary pressing assembly (22) are provided on both sides of the movable block (4), a small motor (14) is connected to the top of the movable block (4) by bolts, a drive shaft fixing sleeve of the small motor (14) is provided with a needle rod (15), a mounting groove (16) is provided on the top of the movable block (4), and a storage battery (17) is installed in the inner cavity of the mounting groove (16).

2. A thickness measuring needle for non-expanding fire retardant coating according to claim 1, characterized in that: The positioning assembly (21) comprises a mounting frame (10), both sides of the movable block (4) are connected to the mounting frame (10) by bolts, a threaded rod (11) is provided through a side of the mounting frame (10) away from the movable block (4), a connecting plate (12) is rotatably connected to the opposite side of the threaded rod (11), a friction positioning head (13) is welded to the opposite side of the connecting plate (12), and the opposite side of the friction positioning head (13) is in contact with the measuring ruler (2).

3. A thickness measuring pin for non-expanding fire retardant coating according to claim 2, characterized in that: The surface of the threaded rod (11) is rotatably connected to the mounting frame (10), and a handle is connected to the side of the threaded rod (11) away from the connecting plate (12) via bolts.

4. A thickness measuring needle for non-expanding fire retardant coating according to claim 1, characterized in that: The auxiliary pressing assembly (22) comprises a mounting shell (5), both sides of the movable block (4) are connected to the mounting shell (5) by bolts, a spring (7) is welded to the bottom of the inner cavity of the mounting shell (5), a movable plate (8) is welded to the top of the spring (7), and a gripping rod (9) is welded to the side of the movable plate (8) away from the movable block (4).

5. A thickness measuring needle for non-expanding fire retardant coating according to claim 4, characterized in that: The inner cavity of the mounting shell (5) is connected to a positioning rod (6) via bolts, the surface of the positioning rod (6) is slidably connected to the movable plate (8), and a sliding hole is provided on a side of the mounting shell (5) away from the movable block (4).

6. A thickness measuring needle for non-expansion fire retardant coating according to claim 1, characterized in that: The top of the base (1) is connected to a guide rod (20) via bolts, the top of the guide rod (20) passes through the movable block (4) and is slidably connected to the movable block (4), and the top of the guide rod (20) is connected to the hanging head (3) via bolts.

7. A thickness measuring needle for non-expansion fire retardant coating according to claim 1, characterized in that: The top of the movable block (4) is connected to a protective cover (18) via bolts, the top of the movable block (4) is connected to a protective plate (19) via bolts, and the small motor (14) is electrically connected to a storage battery (17).

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