A telescoping shroud for smoke collection

Abstract

The novel invention discloses a telescopic cover for smoke dust collection, which comprises a support, a top frame arranged between the upper ends of the two supports, a transmission structure installed on the upper end of the top frame, two groups of bearing seats installed on the left and right vertical surfaces of the top frame, a swing shaft rotatably arranged in the bearing seat, a main swing arm sleeved with the swing shaft at one end, a secondary swing arm arranged at the other end of the main swing arm, a main synchronous rod hingedly arranged at the middle of the main swing arm, a secondary synchronous rod hingedly arranged at the middle of the secondary swing arm, and the one end of the main synchronous rod hingedly connected with the one end of the secondary synchronous rod, a connecting rod structure arranged between the translation pipes, a rear sealing plate fixedly connected between the two supports, a rear end hanging curtain arranged at the lower end of the rear sealing plate, and a soft curtain structure arranged at the two ends of the translation pipe. Compared with the prior art, the novel invention can effectively collect smoke dust generated during the welding of large structural parts, does not affect the hoisting of workpieces and the welding operation of workers, and can be retracted to save space when not in use.

Description

Technical Field

[0001] This invention relates to the field of smoke and dust collection technology, specifically a telescopic hood for smoke and dust collection. Background Technology

[0002] In existing technologies, the fumes from welding large structural components result in a poor working environment in the welding area. In addition, for large workpieces after welding, hoisting mechanisms are needed for transport and transfer, or for changing the corresponding molds. This makes the treatment of fumes in the casting area quite troublesome. Therefore, in order to avoid affecting the continuity of the existing process flow and to effectively collect the fumes emitted during the casting process to improve the working environment in the casting area, a telescopic hood for fume collection needs to be designed. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to overcome the above-mentioned technical defects and provide a telescopic hood for collecting smoke and dust that can effectively collect smoke and dust during the welding of large structural components without affecting the hoisting of workpieces and the welding operation of workers. When not in use, it can be retracted and does not take up space.

[0004] To solve the above problems, the technical solution of the present invention is: a telescopic hood for collecting smoke and dust, including a bracket, wherein there are two brackets and a top frame is provided between the upper ends of the two brackets; A transmission structure, which is mounted on the upper end of the top frame; The bearing housing has two sets installed on the left and right sides of the top frame, and the bearing housing is equipped with a swing shaft for rotation inside. A main swing arm, one end of which is sleeved with a swing shaft, and the other end of which is provided with a secondary swing arm. The main swing arm is hinged to the secondary swing arm. A main synchronizing rod is hinged at the middle of the main swing arm, and a secondary synchronizing rod is hinged at the middle of the secondary swing arm. One end of the main synchronizing rod is hinged to one end of the secondary synchronizing rod. The translation tubes are multiple in number. Each translation tube has a slide rail 1 and a slide rail 2 inside. The multiple translation tubes are sequentially connected to the main swing arm and the auxiliary swing arm. Each slide rail 1 has a slider 1 inside. The slider 1 rotatably connects the main swing arm and the auxiliary swing arm. A connecting rod structure is provided between the translation tubes. A rear sealing plate is fixedly connected between two brackets, and a rear curtain is provided at the lower end of the rear sealing plate; A soft curtain structure is located at both ends of the translation tube.

[0005] Furthermore, the transmission structure includes: A drive motor is fixedly connected to the middle of the upper end of the top frame. The drive motor has transmission shafts at both ends, and a main reducer is provided at the other end of the two transmission shafts. A crank is rotatably provided at the upper end of the two main reducers. A connecting rod is hinged to one end of the crank, and a connecting rod is hinged to the other end of the connecting rod. The connecting rod is fixedly connected to the main swing arm.

[0006] Furthermore, the linkage structure includes: The system includes multiple synchronous connecting rods arranged in an X-shaped structure. The slide rail has a slider inside, which is rotatably connected to one end of the synchronous connecting rod. The other end of the synchronous connecting rod is hinged to a translation tube.

[0007] Furthermore, one end of the top frame is provided with a slide rail three, and a slider three is provided inside the slide rail three. One end of the main synchronizing rod is hinged to the slider three.

[0008] Furthermore, the soft curtain structure includes: A steel wire rope, which is fixed to both ends of the top frame and the translation tube, and has multiple lifting rings fitted on its surface; A soft curtain, wherein the soft curtain is connected to the lower end of the hanging ring; A top tarpaulin, which is fixed to the lower end of the top frame and the translation tube; The C-shaped steel is fixedly connected to the outside of the frontmost translation tube. The C-shaped steel is equipped with a pulley inside, and a curtain is provided at the lower end of the pulley.

[0009] Furthermore, the soft curtain structure also includes a telescopic system, which is equipped with a wire rope pressure plate, and the wire rope pressure plate is connected to the wire rope.

[0010] Furthermore, the surface of the rear sealing plate is provided with an air intake.

[0011] The advantages of this invention compared to existing technologies are: This invention occupies a very small area when retracted, and forms a large semi-sealed cover when extended. When used in conjunction with the upper rear air intake, it can effectively collect fumes and dust from the welding of larger structural components without affecting workpiece hoisting or worker welding operations.

[0012] The present invention drives the main reducer with a drive motor. The main reducer drives the main swing arm to swing via a crank connecting rod. The main and auxiliary swing arms swing synchronously via the main and auxiliary synchronizing rods. At this time, the foremost translation tube fixed on the auxiliary swing arm via the rotating shaft moves forward or backward. The remaining translation tubes fixed on the main and auxiliary swing arms via the rotating shaft, slider, and slide rail also move forward or backward, completing the opening and closing action between the translation tubes.

[0013] The main synchronizing rod and the auxiliary synchronizing rod of the present invention, along with their sliders and slide rails, ensure that the auxiliary swing arm and the main swing arm move relative to each other at the same speed. The synchronizing connecting rod installed in the middle of the translation tube ensures that the translation tubes will not move in the left or right direction except for parallel movement.

[0014] The invention features a C-shaped steel frame fixed to the outer side of the foremost sliding tube. A pulley is installed inside the C-shaped steel frame, and a curtain is connected below the pulley. This design seals the front while allowing easy access for personnel and goods. With the installation of a pull rope and fixed pulley, the curtain's opening and closing becomes more convenient and flexible. When the telescopic cover opens, the steel wire rope drives the soft curtain to unfold, sealing both sides. When the telescopic cover retracts, the soft curtain automatically folds together. The top tarpaulin is fixed to the top frame and the bottom of the sliding tube. When the telescopic cover opens, the tarpaulin unfolds, sealing the top surface. When the telescopic cover retracts, the tarpaulin automatically folds together. Attached Figure Description

[0015] Figure 1 This is a top view of the unfolded plan of a telescopic hood for collecting smoke and dust according to the present invention.

[0016] Figure 2 This is a top view of the retractable hood for collecting smoke and dust according to the present invention.

[0017] Figure 3 This is a side view of the unfolded plan of a telescopic hood for collecting smoke and dust according to the present invention.

[0018] Figure 4 This is a side view of the retractable plan view of a telescopic hood for collecting smoke and dust according to the present invention.

[0019] Figure 5 This is a rear plan view of a telescopic hood for collecting smoke and dust according to the present invention.

[0020] Figure 6 This is an enlarged view of point A of a telescopic hood for collecting smoke and dust according to the present invention.

[0021] As shown in the figure: 1. Bracket; 2. Top frame; 3. Transmission structure; 4. Bearing seat; 5. Swing shaft; 6. Main swing arm; 7. Secondary swing arm; 8. Main synchronizing rod; 9. Secondary synchronizing rod; 10. Translation tube; 11. Slide rail one; 12. Slide rail two; 13. Linkage structure; 14. Rear sealing plate; 15. Rear curtain; 16. Soft curtain structure; 17. Drive motor; 18. Transmission shaft; 19. Main reducer; 20. Crank; 21. Linkage one; 22. Linkage two; 23. Slider one; 24. Synchronizing link; 25. Slider two; 26. Slide rail three; 27. Slider three; 28. Steel wire rope; 29. ​​Hanging ring; 30. Soft curtain; 31. Top tarpaulin; 32. C-shaped steel; 33. Pulley; 34. Curtain pull; 35. Telescopic system; 36. Steel wire rope pressure plate; 37. Air intake. Detailed Implementation

[0022] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings. Identical components are indicated by the same reference numerals.

[0023] It should be noted that the terms “front,” “back,” “left,” “right,” “up,” and “down” used in the following description refer to the directions shown in the attached diagram, while the terms “inside” and “outside” refer to the directions toward or away from the geometric center of a specific component, respectively.

[0024] To make the content of this invention easier to understand, the technical solutions in the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings. Example 1

[0025] like Figure 1 As shown in Figure 6, a telescopic hood for collecting smoke and dust includes a bracket 1, of which there are two brackets 1. A top frame 2 is installed between the upper ends of the two brackets 1. A transmission structure 3 is installed on the upper end of the top frame 2. The transmission structure 3 includes a drive motor 17, which is fixedly connected to the middle of the upper end of the top frame 2. Drive shafts 18 are installed at both ends of the drive motor 17, and the drive motor 17 drives the drive shafts 18 to rotate. A main reducer 19 is installed at the other end of the two drive shafts 18. A crank 20 is rotatably installed on the upper end of the two main reducers 19, thereby driving the crank 20 to rotate. A connecting rod 21 is hinged to one end of the crank 20, and a connecting rod 22 is hinged to the other end of the connecting rod 21. The connecting rod 22 is fixedly connected to the main swing arm 6. The rotation of the crank 20 drives the main swing arm 6 to rotate through the connecting rod 21 and the connecting rod 22.

[0026] Two sets of bearing seats 4 are installed on the left and right sides of the top frame 2. A rotatable swing shaft 5 is installed inside the bearing seat 4. One end of the main swing arm 6 is sleeved with the swing shaft 5, and the other end of the main swing arm 6 is equipped with a secondary swing arm 7. The main swing arm 6 and the secondary swing arm 7 are hinged together. The middle part of the main swing arm 6 is hinged to the middle part of the main synchronizing rod 8. The middle part of the secondary swing arm 7 is hinged to one end of the secondary synchronizing rod 9. One end of the main synchronizing rod 8 is hinged to the other end of the secondary synchronizing rod 9.

[0027] One end of the top frame 2 is equipped with slide rail 3 26, and slide block 3 27 is installed inside slide rail 3 26. One end of the main synchronizing rod 8 is hinged to slide block 3 27. Thus, the same end of the main swing arm 6 and the main synchronizing rod 8 is supported by bearing seat 4 and slide rail 3 27 respectively.

[0028] There are multiple translation tubes 10. The other end of the auxiliary swing arm 7 is hinged to the foremost translation tube 10. Slide rail 11 and slide rail 22 are installed inside the translation tube 10. Slide rail 11 is located at both ends inside the translation tube 10, and slide rail 22 is located in the middle inside the translation tube 10. Multiple translation tubes 10 are connected to the main swing arm 6 and the auxiliary swing arm 7 in sequence. Slide rail 11 is equipped with a sliding slider 23. Slide rail 23 is rotatably connected to the main swing arm 6 and the auxiliary swing arm 7. When the main swing arm 6 rotates at one end of the bearing seat 4, the main swing arm 6, the auxiliary swing arm 7, the main synchronizing rod 8, and the auxiliary synchronizing rod 9 rotate at the hinge. At the same time, slider 327 slides inside slide rail 326, and slider 23 slides inside slide rail 11. This can drive multiple sets of translation tubes 10 to move, realizing the opening and closing of the translation tubes 10.

[0029] A connecting rod structure 13 is installed between the translation tubes 10. The connecting rod structure 13 supports the translation tubes 10. The connecting rod structure 13 includes a synchronous connecting rod 24. There are multiple synchronous connecting rods 24, which form an X-shaped structure. The synchronous connecting rods 24 are all hinged at the X-shaped points. A slider 25 is installed inside the slide rail 22. The slider 25 is rotatably connected to one end of the synchronous connecting rod 24, and the other end of the synchronous connecting rod 24 is hinged to the translation tube 10. When the translation tube 10 is opened and closed, the multiple synchronous connecting rods 24 rotate at the hinge points, and at the same time, the slider 25 slides inside the slide rail 22.

[0030] The soft curtain structure 16 is located at both ends of the translation tube 10. The rear sealing plate 14 is fixedly installed between the two brackets 1. The rear curtain 15 is installed at the lower end of the rear sealing plate 14. The air intake 37 is installed on the surface of the rear sealing plate 14. When the telescopic cover is opened, it is used in conjunction with the air intake 37 to effectively collect the fumes and dust during the welding of larger structural components without affecting the hoisting of the workpiece and the welding operation of the workers. Example 2

[0031] Based on Embodiment 1, the soft curtain structure 16 includes a steel wire rope 28, which is fixed to both ends of the top frame 2 and the sliding tube 10. Multiple lifting rings 29 are fitted onto the surface of the steel wire rope 28. The soft curtain 30 is mounted on the steel wire rope 28 via the lifting rings 29. When the telescopic cover opens, the steel wire rope 28 causes the soft curtain 30 to unfold, sealing the left and right sides. When the telescopic cover retracts, the soft curtain 30 automatically folds together. The top tarpaulin 31 is fixed to the lower end of the top frame 2 and the sliding tube 10. When the telescopic cover opens, the top tarpaulin 31 unfolds, sealing the top surface. When the telescopic cover retracts, the top tarpaulin 31 automatically folds together. Folded together, the C-shaped steel 32 is fixedly installed on the outside of the frontmost sliding tube 10. The C-shaped steel 32 is equipped with a pulley 33, and the lower end of the pulley 33 is equipped with a curtain 34, which can seal the front and facilitate the entry and exit of personnel and goods. The soft curtain structure 16 also includes a telescopic system 35. The telescopic system 35 is equipped with a wire rope pressure plate 36, which is connected to the wire rope 28. The telescopic cover is equipped with a separate control cabinet for inching operation and is equipped with front and rear limit switches to ensure that the telescopic system does not exceed its travel limit. LED lights are installed on the top of the telescopic cover to facilitate worker operations.

[0032] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the spirit of the invention, such designs should fall within the protection scope of the present invention.

Claims

1. A telescopic hood for collecting smoke and dust, characterized in that, include: The bracket (1) has two parts, and a top frame (2) is provided between the upper ends of the two brackets (1). Transmission structure (3), which is installed on the upper end of the top frame (2); Bearing seat (4), the bearing seat (4) has two sets installed on the left and right sides of the top frame (2), and the bearing seat (4) is provided with a swing shaft (5) for rotation inside; The main swing arm (6), the main synchronizing rod (8), and the synchronizing rod (9) are provided. One end of the main swing arm (6) is sleeved with the swing shaft (5), and the other end of the main swing arm (6) is provided with a secondary swing arm (7). The main swing arm (6) is hinged to the secondary swing arm (7). The middle part of the main swing arm (6) is hinged to the middle part of the main synchronizing rod (8). The middle part of the secondary swing arm (7) is hinged to one end of the secondary synchronizing rod (9). One end of the main synchronizing rod (8) is hinged to the other end of the secondary synchronizing rod (9). Translation tube (10), there are multiple translation tubes (10), each translation tube (10) is provided with a slide rail one (11) and a slide rail two (12) inside, the multiple translation tubes (10) are connected in sequence to the main swing arm (6) and the auxiliary swing arm (7), the slide rail one (11) is provided with a slider one (23) inside, the slider one (23) is rotatably connected to the main swing arm (6) and the auxiliary swing arm (7), and a connecting rod structure (13) is provided between the translation tubes (10). The rear sealing plate (14) is fixedly connected between two brackets (1), and the lower end of the rear sealing plate (14) is provided with a rear hanging curtain (15). A soft curtain structure (16) is located at both ends of the translation tube (10).

2. The telescopic hood for collecting smoke and dust according to claim 1, characterized in that: The transmission structure (3) includes: A drive motor (17) is fixedly connected to the middle of the upper end of the top frame (2). The drive motor (17) has a transmission shaft (18) at both ends. The other end of the two transmission shafts is provided with a main reducer (19). The upper end of the two main reducers (19) is provided with a crank (20). One end of the crank (20) is hinged to a connecting rod (21). The other end of the connecting rod (21) is hinged to a connecting rod (22). The connecting rod (22) is fixedly connected to the main swing arm (6).

3. A telescopic hood for collecting smoke and dust according to claim 1, characterized in that: The linkage structure (13) includes: Synchronous link (24), there are multiple synchronous links (24), and multiple synchronous links (24) form an X-shaped structure. The slide rail (12) is equipped with a slider (25). The slider (25) is rotatably connected to one end of the synchronous link (24), and the other end of the synchronous link (24) is hinged to the translation tube (10).

4. A telescopic hood for collecting smoke and dust according to claim 1, characterized in that: The top frame (2) is provided with a slide rail three (26) at one end, and a slider three (27) is provided inside the slide rail three (26). The main synchronizing rod (8) is hinged to the slider three (27) at one end.

5. A telescopic hood for collecting smoke and dust according to claim 1, characterized in that: The soft curtain structure (16) includes: A steel wire rope (28) is fixed to both ends of the top frame (2) and the translation tube (10), and a plurality of lifting rings (29) are sleeved on the surface of the steel wire rope (28). A soft curtain (30) is connected to the lower end of a hanging ring (29); Top surface tarpaulin (31), the top surface tarpaulin (31) is fixed to the bottom end of the top frame (2) and the translation tube (10); C-shaped steel (32), the C-shaped steel (32) is fixedly connected to the outside of the frontmost translation tube (10), the C-shaped steel (32) is provided with a pulley (33), and the lower end of the pulley (33) is provided with a curtain (34).

6. A telescopic hood for collecting smoke and dust according to claim 5, characterized in that: The soft curtain structure (16) also includes a telescopic system (35), which is provided with a wire rope pressure plate (36) and is connected to the wire rope (28).

7. A telescopic hood for collecting smoke and dust according to claim 1, characterized in that: The rear sealing plate (14) has an air intake (37) on its surface.

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