Composite steel fire detection device

Abstract

The utility model relates to composite steel detection technical field especially relates to a kind of composite steel fireproof detection device, comprising: the horizontal setting of round bar rotating along its own axial direction in box body, and one end of round bar is fixedly connected with gear, a group of rack is vertically arranged in detection furnace, rack is adapted with gear, vertically arranged fixedly in detection furnace there is riser plate, and one side of riser plate close to box body is fixedly provided with a pair of L-shaped plate, L-shaped plate is mirror image set on the same perpendicular line, extrusion groove is all set on L-shaped plate, and extrusion groove is mirror image set on different L-shaped plate, and parallel with round bar slidingly set in box body there is connecting rod, and one side of connecting rod is fixedly provided with lever, and one end of connecting rod is connected with the pivot of the center of gear, by the cooperation of round bar, gear, rack, riser plate, L-shaped plate, extrusion groove, connecting rod and lever, the cooperation of gear and rack can be used, drive composite steel to overturn, to be able to carry out secondary detection.

Description

Technical Field

[0001] This utility model relates to the field of composite steel testing technology, and in particular to a fire-resistant testing device for composite steel. Background Technology

[0002] Composite steel is a new type of material formed by combining two or more types of steel with different properties through physical metallurgical methods, creating a multi-layered structure. Its core characteristic is that the complementary properties of different materials allow the composite steel to possess multiple superior characteristics, meeting complex working conditions that cannot be achieved with a single type of steel.

[0003] To ensure accuracy when testing composite steel, both sides of the composite steel need to be tested. This process requires workers to install, test, disassemble, flip, reinstall, and test the composite steel, which not only increases the labor intensity of the workers but also reduces the testing efficiency. To solve the above problems, a fireproof testing device for composite steel is provided. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides the following technical solution: a composite steel fireproof testing device, comprising: a testing furnace, wherein a protective door that can be opened and closed is provided on the front side of the testing furnace, and a flame nozzle is fixedly provided at the bottom of the testing furnace;

[0005] The testing furnace is equipped with a flipping mechanism, which includes a box and a gear that can move up and down in a straight line. A circular rod that rotates along its own axis is horizontally arranged inside the box, and one end of the circular rod is fixedly connected to the gear. A set of racks is vertically arranged inside the testing furnace, and the racks are adapted to the gear. A vertical plate is fixedly arranged inside the testing furnace, and a pair of L-shaped plates are fixedly arranged on the side of the vertical plate near the box. The L-shaped plates are mirror images of each other on the same vertical line. Each L-shaped plate has a pressing groove, and the pressing grooves are mirror images of different L-shaped plates. A connecting rod parallel to the circular rod is slidably arranged inside the box, and a lever is fixedly arranged on one side of the connecting rod. One end of the connecting rod is connected to the central shaft of the gear.

[0006] A fixing mechanism is installed at the other end of the round rod, and a self-locking mechanism is installed at the top of the box.

[0007] As an improvement to the above technical solution, a lifting mechanism is provided inside the testing furnace. The lifting mechanism includes a column and a motor. The column is vertically fixed inside the testing furnace, the motor is fixedly installed at the bottom of the column, and a threaded column is fixedly installed at the output end of the motor. A moving block is slidably installed inside the column and is threadedly connected to the threaded column. A rack is fixedly installed on one side of the column, and the moving block is fixedly connected to the box body.

[0008] As an improvement to the above technical solution, the self-locking mechanism includes a cylinder and a pin. The cylinder is fixedly mounted on the box body with its open end facing downwards. The pin is slidably mounted inside the cylinder and passes through the top of the box body. One end of the pin is hemispherical, and an elastic element is fixedly mounted on the other end of the pin. The end of the elastic element away from the pin is fixedly connected to the top of the cylinder body. Two sets of limiting holes are provided on the side wall of the round rod. The two sets of limiting holes are located on the symmetrical sides of the round rod, and each set of limiting holes consists of two holes corresponding to the hemispherical shape at the end of the pin.

[0009] As an improvement to the above technical solution, the fixing mechanism includes a long box and a double-ended threaded rod. The long box is fixedly connected to the end of the round rod away from the gear. The double-ended threaded rod is disposed inside the long box. A pair of connecting blocks are slidably disposed inside the long box. Both of the connecting blocks are threadedly connected to the double-ended threaded rod. A knob is fixedly disposed at one end of the double-ended threaded rod. An electric actuator is fixedly disposed on the side of the connecting block. A mounting plate is fixedly disposed on one side of the electric actuator. A lower pressure plate is fixedly disposed at the piston rod end of the electric actuator.

[0010] As an improvement to the above technical solution, a pair of connecting blocks are symmetrically arranged, and the connecting blocks are respectively located in different thread directions of the double-threaded rod.

[0011] The beneficial effects of this utility model are:

[0012] By using a combination of round rods, gears, racks, vertical plates, L-shaped plates, extrusion grooves, connecting rods, and levers, after one side of the composite steel has been inspected, the composite steel can be flipped over by the gears and racks, allowing for re-inspection. This enables the composite steel to flip itself during inspection, improving inspection efficiency. Attached Figure Description

[0013] Figure 1 This is the main view of the present invention.

[0014] Figure 2 This is a cross-sectional view of the testing furnace of this utility model;

[0015] Figure 3 This is a diagram showing the positional relationship between the L-shaped plate and the extrusion groove of this utility model;

[0016] Figure 4 This is a cross-sectional view of the box body of this utility model;

[0017] Figure 5 This is a cross-sectional view of the column structure of this utility model;

[0018] Figure 6 This is a cross-sectional view of the long box of this utility model.

[0019] Reference numerals: 10. Testing furnace; 11. Protective door; 12. Flame nozzle; 20. Tilting mechanism; 21. Box body; 22. Round rod; 23. Gear; 24. Rack; 25. Vertical plate; 26. L-shaped plate; 27. Extrusion groove; 28. Connecting rod; 29. ​​Lever; 30. Lifting mechanism; 31. Column; 32. Motor; 33. Threaded column; 34. Moving block; 40. Self-locking mechanism; 41. Cylinder body; 42. Pin; 43. Elastic element; 44. Limiting hole; 50. Fixing mechanism; 51. Long box; 52. Double-ended threaded rod; 53. Connecting block; 54. Knob; 55. Electric actuator; 56. Step plate; 57. Lower pressure plate. Detailed Implementation

[0020] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model.

[0021] To ensure accuracy when inspecting composite steel, both sides of the composite steel need to be inspected. This process requires staff to install, inspect, disassemble, flip, reinstall, and inspect the steel, which not only increases the workload of the staff but also reduces the efficiency of the inspection.

[0022] To resolve this issue, please refer to Figure 1-6 A composite steel fireproof testing device includes: a testing furnace 10, a protective door 11 that can be opened and closed is provided on the front side of the testing furnace 10, and a flame nozzle 12 is fixedly provided at the bottom inside the testing furnace 10.

[0023] The testing furnace 10 is equipped with a flipping mechanism 20, which includes a box 21 that can move up and down in a straight line and a gear 23. A round rod 22 that rotates along its own axis is horizontally arranged inside the box 21. One end of the round rod 22 is fixedly connected to the gear 23. A set of racks 24 is vertically arranged inside the testing furnace 10. The racks 24 are adapted to the gears 23. A vertical plate 25 is fixedly arranged inside the testing furnace 10. A pair of L-shaped plates 26 are fixedly arranged on the side of the vertical plate 25 near the box 21. The L-shaped plates 26 are mirror images of each other on the same vertical line. Each L-shaped plate 26 has a pressing groove 27. The pressing grooves 27 are mirror images of each other on different L-shaped plates 26. A connecting rod 28 parallel to the round rod 22 is slidably arranged inside the box 21. A lever 29 is fixedly arranged on one side of the connecting rod 28. One end of the connecting rod 28 is connected to the rotating shaft at the center of the gear 23.

[0024] A fixing mechanism 50 is provided at the other end of the round rod 22, and a self-locking mechanism 40 is provided at the top of the box body 21.

[0025] In use, the composite steel to be tested is fixed by the fixing mechanism 50. The box 21 moves the composite steel up and down by the round rod 22. The distance between the composite steel and the nozzle 12 is adjusted by the up and down movement of the box 21. After testing on one side is completed, the box 21 moves downward, which drives the lever 29 to move downward. When the lever 29 moves downward to the L-shaped plate 26, it will continue to move downward. At this time, the inclined surface of the extrusion groove 27 will squeeze the lever 29 to move forward. The lever 29 drives the round rod 22 and the gear 23 to move through the connecting rod 28. The mechanism moves the gear 23 so that it is aligned with the rack 24 in the same vertical direction. When the box 21 moves upward, the gear 23 will mesh with the rack 24 during its ascent, thereby driving the gear 23 to rotate through the rack 24. When the gear 23 rotates 180 degrees, the pressing groove 27 located above will drive the gear 23 to move backward through the lever 29, canceling its meshing with the rack 24. After the rotation and flipping are completed, the self-locking mechanism 40 will restrict the rotated round rod 22 to a certain extent, so that it will not rotate during up and down movement and detection.

[0026] In the specific implementation process, such as Figure 2 and Figure 5 As shown, a lifting mechanism 30 is installed inside the testing furnace 10. The lifting mechanism 30 includes a column 31 and a motor 32. The column 31 is vertically fixed inside the testing furnace 10. The motor 32 is fixedly installed at the bottom of the column 31. A threaded column 33 is fixedly installed at the output end of the motor 32. A moving block 34 is slidably installed inside the column 31. The moving block 34 is threadedly connected to the threaded column 33. A rack 24 is fixedly installed on one side of the column 31. The moving block 34 is fixedly connected to the box body 21.

[0027] In use, the lifting mechanism 30 inside the testing furnace 10 is used to move the box 21 up and down. When the box 21 needs to be moved, the motor 32 is started. The output shaft of the motor 32 drives the threaded column 33 to rotate. The threaded column 33 moves the moving block 34, thereby driving the box 21 to rise or fall.

[0028] In the specific implementation process, such as Figure 3 and Figure 4As shown, the self-locking mechanism 40 includes a cylindrical body 41 and a pin 42. The cylindrical body 41 is fixedly mounted on the box body 21 with its open end facing downwards. The pin 42 is slidably mounted inside the cylindrical body 41 and passes through the top of the box body 21. One end of the pin 42 is hemispherical, and the other end of the pin 42 is fixedly mounted with an elastic element 43. The end of the elastic element 43 away from the pin 42 is fixedly connected to the top of the cylindrical body 41. Two sets of limiting holes 44 are provided on the side wall of the round rod 22. The two sets of limiting holes 44 are located on the symmetrical sides of the round rod 22. Each set of limiting holes 44 consists of two holes corresponding to the hemispherical shape at the end of the pin 42.

[0029] In use, when the lever 29 moves the round rod 22 back and forth, the pin 42 will move the limiting hole 44 due to the movement of the round rod 22, thereby inserting into another limiting hole 44, thus simply limiting the movement of the round rod 22, thereby completing the self-locking of the movement degree, so that the round rod 22 will not rotate when moving. Because the elastic element 43 at the top of the pin 42 gives the pin 42 a downward pushing force, it has a certain limiting function. The hemispherical shape at the bottom of the pin 42 allows the round rod 22 to be squeezed when moving, thus inserting into another limiting hole 44.

[0030] In the specific implementation process, such as Figure 2 and Figure 6 As shown, the fixing mechanism 50 includes a long box 51 and a double-ended threaded rod 52. The long box 51 is fixedly connected to the end of the round rod 22 away from the gear 23. The double-ended threaded rod 52 is disposed inside the long box 51. A pair of connecting blocks 53 are slidably disposed inside the long box 51. Both of the connecting blocks 53 are threadedly connected to the double-ended threaded rod 52. A knob 54 is fixedly disposed at one end of the double-ended threaded rod 52. An electric actuator 55 is fixedly disposed on the side of the connecting block 53. A mounting plate 56 is fixedly disposed on one side of the electric actuator 55. A lower pressure plate 57 is fixedly disposed at the piston rod end of the electric actuator 55. The pair of connecting blocks 53 are symmetrically arranged, and the connecting blocks 53 are respectively located in different thread directions of the double-ended threaded rod 52.

[0031] When using the composite steel, if it is necessary to fix it, first place one side of the composite steel on the mounting plate 56, start the electric actuator 55, the electric actuator 55 drives the lower pressure plate 57 to descend, so that the composite steel is clamped and fixed between the lower pressure plate 57 and the mounting plate 56, thus completing the fixation required for testing. Turn the knob 54, the knob 54 drives the double-headed threaded rod 52 to rotate, the double-headed threaded rod 52 drives the connecting block 53 to move relative to each other, so that the distance between the electric actuators 55 can be adjusted, so that it can clamp and fix composite steel of different lengths. At the same time, when the round rod 22 rotates, it will also drive the composite steel to flip through the long box 51.

[0032] The above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A composite steel fire detection device, characterized in that, include: The testing furnace (10) has an openable protective door (11) on its front side and a flame nozzle (12) is fixedly installed at the bottom inside the testing furnace (10). The testing furnace (10) is equipped with a flipping mechanism (20), which includes a box (21) that can move up and down in a straight line and a gear (23). A round rod (22) that rotates along its own axis is horizontally arranged inside the box (21). One end of the round rod (22) is fixedly connected to the gear (23). A set of racks (24) is vertically arranged inside the testing furnace (10). The racks (24) are adapted to the gears (23). A vertical plate (25) is fixedly arranged inside the testing furnace (10). A pair of L-shaped plates (26) are fixedly arranged on one side near the box body (21). The L-shaped plates (26) are mirrored on the same vertical line. Each L-shaped plate (26) has an extrusion groove (27). The extrusion grooves (27) are mirrored on different L-shaped plates (26). A connecting rod (28) parallel to the round rod (22) is slidably arranged inside the box body (21). A lever (29) is fixedly arranged on one side of the connecting rod (28). One end of the connecting rod (28) is connected to the rotating shaft at the center of the gear (23). A fixing mechanism (50) is provided at the other end of the round rod (22), and a self-locking mechanism (40) is provided at the top of the box (21).

2. The composite steel fire detection device according to claim 1, characterized in that: The lifting mechanism (30) is installed inside the testing furnace (10). The lifting mechanism (30) includes a column (31) and a motor (32). The column (31) is vertically fixed inside the testing furnace (10). The motor (32) is fixedly installed at the bottom inside the column (31). A threaded column (33) is fixedly installed at the output end of the motor (32). A moving block (34) is slidably installed inside the column (31). The moving block (34) is threadedly connected to the threaded column (33). A rack (24) is fixedly installed on one side of the column (31). The moving block (34) is fixedly connected to the box body (21).

3. The composite steel fire detection device according to claim 1, characterized in that: The self-locking mechanism (40) includes a cylindrical body (41) and a pin (42). The cylindrical body (41) is fixedly mounted on the box body (21) with its open end facing downwards. The pin (42) is slidably mounted inside the cylindrical body (41) and passes through the top of the box body (21). One end of the pin (42) is hemispherical, and the other end of the pin (42) is fixedly mounted with an elastic element (43). The end of the elastic element (43) away from the pin (42) is fixedly connected to the top of the cylindrical body (41). Two sets of limiting holes (44) are provided on the side wall of the round rod (22). The two sets of limiting holes (44) are located on the symmetrical sides of the round rod (22). Each set of limiting holes (44) consists of two holes corresponding to the hemispherical shape at the end of the pin (42).

4. The composite steel fire detection device according to claim 1, characterized in that: The fixing mechanism (50) includes a long box (51) and a double-ended threaded rod (52). The long box (51) is fixedly connected to the end of the round rod (22) away from the gear (23). The double-ended threaded rod (52) is disposed inside the long box (51). A pair of connecting blocks (53) are slidably disposed inside the long box (51). Both of the connecting blocks (53) are threadedly connected to the double-ended threaded rod (52). A knob (54) is fixedly disposed at one end of the double-ended threaded rod (52). An electric actuator (55) is fixedly disposed on the side of the connecting block (53). A mounting plate (56) is fixedly disposed on one side of the electric actuator (55). A lower pressure plate (57) is fixedly disposed at the piston rod end of the electric actuator (55).

5. The composite steel fire detection device according to claim 4, characterized in that: The pair of connecting blocks (53) are symmetrically arranged, and the connecting blocks (53) are respectively located in different thread directions of the double-threaded rod (52).

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