Multifunctional anti-falling device for small box fixture of crown block

Abstract

The utility model discloses a multifunctional anti-falling device for a small box fixture of a crown block, which belongs to the field of small box fixtures and comprises a stand column, a movable plate, a fixed structure and a movable structure, the fixed structure is arranged on the outer surface of the stand column, and the movable structure is arranged at the bottom of the movable plate; the fixing structure comprises a fixing plate, supporting frames, a fixing shaft, a first movable hinge, a second movable hinge and a clamping block, the fixing plate is arranged on the left side of the outer surface of the stand column, the two supporting frames are symmetrically distributed on the front face and the back face of the side, close to the stand column, of the fixing plate, and the fixing shaft is arranged at the tops of the supporting frames. According to the multifunctional anti-falling device for the small box fixture of the crown block, the movable plate descends until the positioning frame is clamped with the fixed shaft, the inclined oil cylinder is started to downwards push the movable frame, and meanwhile, the rotary motor drives the bolt to rotate through the twisting sleeve, so that the small box fixture is locked, and the movable plate is also laid flat to support the small box fixture; and the small box fixture can be effectively prevented from falling from high altitude.

Description

Technical Field

[0001] The utility model relates to the field of small box clamps, in particular to a multifunctional overhead crane small box clamp anti-falling device. Background Art

[0002] The small box clamp, also known as the small box fixture, anode clamp, or screw clamp, is a key component of the anode aluminum electrolytic cell superstructure. It is used in conjunction with the production process to quickly tighten the connection between the busbar and the guide rod assembly on the electrolytic cell. It clamps the guide rod during use. When the anode carbon block is used up, loosening the screw allows other mechanisms to remove and replace the anode guide rod.

[0003] The Chinese utility model patent with publication number CN219751692U discloses a multifunctional overhead crane small box clamp anti-drop device, including an anti-drop plate and a limiting mechanism, wherein the anti-drop plate is arranged in alignment with the wrenches on both sides of the multifunctional overhead crane body, and the wrench is accommodated by the groove set on the anti-drop plate to prevent the small box clamp from falling. The slider in the limiting mechanism is respectively connected to the anti-drop plates on both sides through the connecting rods on both sides, which can effectively reduce the swing amplitude of the anti-drop plates on both sides when the multifunctional overhead crane is in operation. However, the anti-drop plate is prone to deformation after long-term use, and there is still an unsafe situation of falling from a high altitude. Utility Model Content

[0004] In order to solve the problem that the anti-drop plate is easily deformed after long-term use and there is still an unsafe situation of falling from a high altitude, the utility model provides a multifunctional crown crane small box clamp anti-fall device, the technical solution is as follows:

[0005] A multifunctional overhead crane small box clamp anti-fall device comprises a column, a movable plate, a fixed structure and a movable structure, wherein the fixed structure is arranged on the outer surface of the column, and the movable structure is arranged at the bottom of the movable plate;

[0006] The fixing structure includes a fixing plate, a support frame, a fixing shaft, a first movable leaf, a second movable leaf and a clamping block, wherein the fixing plate is arranged on the left side of the outer surface of the column, the number of the supporting frames is two and they are symmetrically distributed on the front and back sides of the fixing plate close to the column, the fixing shaft is arranged on the top of the supporting frame, the first movable leaf and the second movable leaf are both arranged on the outer surface of the fixing shaft, and the number of the clamping blocks is two and they are respectively arranged on the right side of the inner side of the first movable leaf and the second movable leaf;

[0007] The movable structure includes a positioning structure, a fixed plate, a transmission structure and a tilting cylinder. The positioning structure is arranged on the left side of the bottom of the movable plate, the fixed plate is arranged at the bottom of the movable plate, the transmission structure is arranged on the outer surface of the fixed plate, and the tilting cylinder is arranged on the right side of the movable plate.

[0008] The small box fixture can be fixed and locked, thereby effectively preventing the small box fixture from falling from a high altitude and improving safety.

[0009] Preferably, the positioning structure includes a baffle and a positioning frame, the number of the baffles is two and they are symmetrically distributed on the front and back sides of the left side of the bottom of the movable plate, the number of the positioning frames is two and they are respectively arranged on the side opposite to the two baffles, the bottom of the positioning frame is arc-shaped, and the two positioning frames are respectively on the same vertical line with the two fixed axes.

[0010] Preferably, the transmission structure includes a movable frame, a connecting frame, a fixed frame, a movable rope and a movable plate. The movable frame is symmetrically arranged on the front and back of the fixed plate, the connecting frame is arranged on the side of the movable frame close to the fixed plate, the fixed frame is arranged on the side of the movable plate close to the column, the number of the movable ropes is two and they are respectively arranged on the front and back of the fixed plate, and the movable plate is arranged on the outer surface of the bottom movable frame.

[0011] Preferably, the top and bottom of the fixing plate close to the support frame are both provided with threaded rods that penetrate and extend to the outside of the support frame, and the outer surface of the threaded rod is threadedly connected with a nut that fits the support frame, and the support frame is fixedly connected to the fixing plate through the threaded rod and the nut.

[0012] Preferably, the small box fixture consists of a first movable page, a second movable page, a clamp and a bolt. The positions of the two clamps correspond to each other. The top of the top clamp is provided with a bolt that passes through and extends to the outside of the two clamps in sequence. The outer surface of the top of the bolt is hexagonal.

[0013] Preferably, a rotating structure is provided on the left side of the bottom of the movable plate, and the rotating structure includes a rotating motor and a torque sleeve. The torque sleeve is provided on the output shaft of the rotating motor, and the torque sleeve and the bolt are on the same vertical line. A slot with the same shape as the bolt is provided at the bottom of the torque sleeve.

[0014] Preferably, there are two groups of movable frames, each group has two movable frames and they are distributed up and down, the two groups of movable frames are respectively connected by two connecting frames, and the output shaft of the tilting cylinder is movably connected to the bottom movable frame.

[0015] Preferably, limiting sleeves are provided on the front and back sides of the fixing frame, the number of the limiting sleeves is two and they are symmetrically distributed, and fixing sleeves are provided on the opposite sides of the two movable frames at the top.

[0016] Preferably, a movable groove is provided inside the limiting sleeve, and two ends of the movable rope respectively pass through the movable groove and the fixed sleeve and extend to the outside thereof, and the movable rope is fixedly connected to the fixed sleeve.

[0017] Preferably, a groove is provided on the right side of the movable plate, the top of the tilting cylinder is located in the groove, a movable shaft connected to the tilting cylinder is provided inside the groove, and the tilting cylinder is movably connected to the movable plate through the movable shaft.

[0018] The setting of the positioning frame facilitates the positioning of the whole when in use and prevents deviation and the like. The setting of the threaded rod and the nut facilitates the installation and disassembly of the support frame and facilitates the use of the whole.

[0019] Beneficial effects:

[0020] The beneficial effects produced by adopting the technical solution of this utility model are as follows:

[0021] 1. The multifunctional overhead crane anti-falling device for the small box clamp, when in use, makes the movable plate drop to the positioning frame and engage with the fixed shaft. At this time, the torsion sleeve will engage with the top of the bolt, and the movable rope will correspond to the positions of the first movable page and the second movable page. The tilting cylinder is started to push the movable frame downward while the rotating motor drives the bolt to rotate through the torsion sleeve. The movable frame can push the movable rope to move closer to the first movable page and the second movable page. At the same time, the first movable page and the second movable page will gradually merge and move closer, thereby locking the small box clamp, and the movable plate will also be flat to support the small box clamp, which can effectively prevent the small box clamp from falling from a high altitude.

[0022] 2. The multifunctional overhead crane small box clamp has an anti-fall device. The setting of the positioning frame facilitates the positioning of the entire unit during use and prevents offset. The setting of the threaded rod and nut facilitates the installation and disassembly of the support frame and facilitates the overall use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 This is a three-dimensional structural diagram of the utility model multifunctional overhead crane small box clamp anti-falling device;

[0025] Figure 2 This is a utility model of a multifunctional overhead crane small box clamp anti-falling device Figure 1 A in the middle is an enlarged schematic diagram;

[0026] Figure 3 The utility model is a front view structural diagram of a multifunctional overhead crane small box clamp anti-falling device.

[0027] In the figure, 1. column; 2. movable plate; 3. fixed plate; 4. support frame; 5. fixed shaft; 6. first movable page; 7. second movable page; 8. clamping block; 9. bolt; 10. baffle; 11. positioning frame; 12. fixed plate; 13. movable frame; 14. connecting frame; 15. fixed frame; 16. movable rope; 17. movable plate; 18. tilt cylinder. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the utility model for protection, but merely represents the selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0029] like Figure 1 and 3 As shown, a multifunctional overhead crane small box clamp anti-falling device includes a column 1, a movable plate 2, a fixed structure and a movable structure. The fixed structure is arranged on the outer surface of the column 1, and the movable structure is arranged at the bottom of the movable plate 2.

[0030] The fixing structure includes a fixing plate 3, a support frame 4, a fixed shaft 5, a first movable page 6, a second movable page 7 and a clamping block 8. The fixing plate 3 is arranged on the left side of the outer surface of the column 1. There are two support frames 4 and they are symmetrically distributed on the front and back sides of the fixing plate 3 close to the column 1. The fixing shaft 5 is arranged on the top of the support frame 4. The first movable page 6 and the second movable page 7 are both arranged on the outer surface of the fixed shaft 5. There are two clamping blocks 8 and they are respectively arranged on the right side of the inner side of the first movable page 6 and the second movable page 7.

[0031] Specifically, the top and bottom of the fixing plate 3 close to the support frame 4 are provided with threaded rods that penetrate and extend to the outside of the support frame 4. The outer surface of the threaded rod is threadedly connected with a nut that fits the support frame 4. The support frame 4 is fixedly connected to the fixing plate 3 by the threaded rod and the nut, which facilitates the installation and disassembly of the support frame 4.

[0032] like Figure 1 and 3 As shown, the movable structure includes a positioning structure, a fixed plate 12, a transmission structure and a tilting cylinder 18. The positioning structure is arranged on the left side of the bottom of the movable plate 2, the fixed plate 12 is arranged at the bottom of the movable plate 2, the transmission structure is arranged on the outer surface of the fixed plate 12, and the tilting cylinder 18 is arranged on the right side of the movable plate 2.

[0033] In this embodiment, the movable structure is mainly used for locking and supporting the small box fixture, which can effectively prevent the small box fixture from falling from a high altitude.

[0034] like Figure 1 and 3 As shown, the positioning structure includes a baffle 10 and a positioning frame 11. There are two baffles 10 and they are symmetrically distributed on the front and back sides of the left side of the bottom of the movable plate 2. There are two positioning frames 11 and they are respectively arranged on the side opposite to the two baffles 10. The bottom of the positioning frame 11 is arc-shaped, and the two positioning frames 11 are respectively on the same vertical line with the two fixed shafts 5.

[0035] In this embodiment, the positioning structure facilitates the positioning of the entire device during use and prevents deviation and the like.

[0036] like Figure 1 and 3 As shown, the transmission structure includes a movable frame 13, a connecting frame 14, a fixed frame 15, a movable rope 16 and a movable plate 17. The movable frame 13 is symmetrically arranged on the front and back of the fixed plate 12. The connecting frame 14 is arranged on the side of the movable frame 13 close to the fixed plate 12. The fixed frame 15 is arranged on the side of the movable plate 17 close to the column 1. The number of movable ropes 16 is two and they are respectively arranged on the front and back of the fixed plate 12. The movable plate 17 is arranged on the outer surface of the bottom movable frame 13. The number of movable frames 13 is two groups, and each group of movable There are two frames 13 and they are distributed up and down. The two groups of movable frames 13 are respectively connected by two connecting frames 14. The output shaft of the tilt cylinder 18 is movably connected to the bottom movable frame 13. A groove is provided on the right side of the movable plate 2. The top of the tilt cylinder 18 is located in the groove. A movable shaft connected to the tilt cylinder 18 is provided inside the groove. The tilt cylinder 18 is movably connected to the movable plate 2 through the movable shaft, so that the tilt cylinder 18 can move with the movement of the movable frame 13 to avoid the situation where the movable plate 2 cannot be pushed.

[0037] In this embodiment, limiting sleeves are provided on the front and back sides of the fixed frame 15. There are two limiting sleeves and they are symmetrically distributed. Fixed sleeves are provided on the opposite sides of the two movable frames 13 on the top. A movable groove is provided inside the limiting sleeve. The two ends of the movable rope 16 respectively pass through the movable groove and the fixed sleeve and extend to the outside. The movable rope 16 is fixedly connected to the fixed sleeve.

[0038] like Figure 1-3As shown, the small box fixture consists of a first movable page 6, a second movable page 7, a clamping block 8 and a bolt 9. The positions of the two clamping blocks 8 correspond to each other. The top of the top clamping block 8 is provided with a bolt 9 that passes through and extends to the outside of the two clamping blocks 8 in sequence. The outer surface of the top of the bolt 9 is hexagonal. A rotating structure is provided on the left side of the bottom of the movable plate 2. The rotating structure includes a rotating motor and a torque sleeve. The torque sleeve is provided on the output shaft of the rotating motor. The torque sleeve and the bolt 9 are on the same vertical line. The bottom of the torque sleeve is provided with a card slot with the same shape as the bolt 9.

[0039] In this embodiment, the rotating structure can drive the bolt 9 to rotate so that the first movable page 6 and the second movable page 7 merge and move closer together, thereby locking the small box clamp.

[0040] The method of using this utility model is as follows:

[0041] The movable plate 2 is lowered to the positioning frame 11 and engaged with the fixed shaft 5. At this time, the torsion sleeve will engage with the top of the bolt 9, and the movable rope 16 will correspond to the position of the first movable page 6 and the second movable page 7. The tilting cylinder 18 is started to push the movable frame 13 downward while the rotating motor drives the bolt 9 to rotate through the torsion sleeve. The movable frame 13 can push the movable rope 16 to move closer to the first movable page 6 and the second movable page 7. At the same time, the first movable page 6 and the second movable page 7 will gradually merge and move closer, thereby locking the small box fixture, and the movable plate 17 will also be flat to support the small box fixture, which can effectively prevent the small box fixture from falling from a high altitude.

[0042] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A multifunctional overhead crane small box clamp anti-fall device, characterized in that: include: A column (1), a movable plate (2), a fixed structure and a movable structure, wherein the fixed structure is arranged on the outer surface of the column (1) and the movable structure is arranged on the bottom of the movable plate (2); The fixing structure comprises a fixing plate (3), a support frame (4), a fixing shaft (5), a first movable leaf (6), a second movable leaf (7) and a clamping block (8); the fixing plate (3) is arranged on the left side of the outer surface of the column (1); the number of the supporting frames (4) is two and they are symmetrically distributed on the front and back sides of the fixing plate (3) close to the column (1); the fixing shaft (5) is arranged on the top of the supporting frame (4); the first movable leaf (6) and the second movable leaf (7) are both arranged on the outer surface of the fixing shaft (5); the number of the clamping blocks (8) is two and they are respectively arranged on the right sides of the inner sides of the first movable leaf (6) and the second movable leaf (7); The movable structure comprises a positioning structure, a fixed plate (12), a transmission structure and a tilting oil cylinder (18); the positioning structure is arranged on the left side of the bottom of the movable plate (2); the fixed plate (12) is arranged on the bottom of the movable plate (2); the transmission structure is arranged on the outer surface of the fixed plate (12); and the tilting oil cylinder (18) is arranged on the right side of the movable plate (2).

2. A multifunctional overhead crane small box clamp anti-falling device according to claim 1, characterized in that: The positioning structure comprises a baffle (10) and a positioning frame (11), wherein the number of the baffles (10) is two and they are symmetrically distributed on the front and back sides of the left side of the bottom of the movable plate (2), and the number of the positioning frames (11) is two and they are respectively arranged on the sides opposite to the two baffles (10), the bottom of the positioning frame (11) is in an arc shape, and the two positioning frames (11) are respectively on the same vertical line with the two fixed shafts (5).

3. The multifunctional overhead crane small box clamp anti-falling device according to claim 1, characterized in that: The transmission structure comprises a movable frame (13), a connecting frame (14), a fixed frame (15), a movable rope (16) and a movable plate (17); the movable frame (13) is symmetrically arranged on the front and back sides of the fixed plate (12); the connecting frame (14) is arranged on a side of the movable frame (13) close to the fixed plate (12); the fixed frame (15) is arranged on a side of the movable plate (17) close to the column (1); there are two movable ropes (16) and they are respectively arranged on the front and back sides of the fixed plate (12); and the movable plate (17) is arranged on the outer surface of the bottom movable frame (13).

4. The multifunctional overhead crane small box clamp anti-falling device according to claim 1, characterized in that: The top and bottom of the fixing plate (3) on the side close to the support frame (4) are both provided with threaded rods that penetrate and extend to the outside of the support frame (4); the outer surface of the threaded rod is threadedly connected to a nut that fits the support frame (4); and the support frame (4) is fixedly connected to the fixing plate (3) via the threaded rod and the nut.

5. The multifunctional overhead crane small box clamp anti-falling device according to claim 1, characterized in that: The small box fixture is composed of a first movable page (6), a second movable page (7), a clamping block (8) and a bolt (9). The positions of the two clamping blocks (8) correspond to each other. The top of the top clamping block (8) is provided with a bolt (9) that passes through and extends to the outside of the two clamping blocks (8) in sequence. The outer surface of the top of the bolt (9) is hexagonal.

6. A multifunctional overhead crane small box clamp anti-falling device according to claim 5, characterized in that: A rotating structure is provided on the left side of the bottom of the movable plate (2), and the rotating structure includes a rotating motor and a torque sleeve. The torque sleeve is provided on the output shaft of the rotating motor, and the torque sleeve and the bolt (9) are on the same vertical line. A slot having the same shape as the bolt (9) is provided at the bottom of the torque sleeve.

7. The multifunctional overhead crane small box clamp anti-falling device according to claim 3, characterized in that: The number of the movable frames (13) is two groups, and each group of the movable frames (13) has two movable frames (13) distributed in an upper and lower direction. The two groups of movable frames (13) are respectively connected by two connecting frames (14). The output shaft of the tilting oil cylinder (18) is movably connected to the bottom movable frame (13).

8. The multifunctional overhead crane small box clamp anti-falling device according to claim 3, characterized in that: Limiting sleeves are provided on the front and back sides of the fixed frame (15), the number of the limiting sleeves is two and they are symmetrically distributed, and the two movable frames (13) at the top are both provided with fixing sleeves on the opposite sides.

9. The multifunctional overhead crane small box clamp anti-falling device according to claim 8, characterized in that: A movable groove is provided inside the limiting sleeve, and two ends of the movable rope (16) respectively pass through the movable groove and the fixed sleeve and extend to the outside thereof, and the movable rope (16) is fixedly connected to the fixed sleeve.

10. The multifunctional overhead crane small box clamp anti-falling device according to claim 1, characterized in that: A groove is provided on the right side of the movable plate (2), the top of the tilting oil cylinder (18) is located in the groove, a movable shaft connected to the tilting oil cylinder (18) is provided inside the groove, and the tilting oil cylinder (18) is movably connected to the movable plate (2) via the movable shaft.

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