CN220845275U - Anti-falling device for electric hoist - Google Patents
Anti-falling device for electric hoist Download PDFInfo
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- CN220845275U CN220845275U CN202322759437.0U CN202322759437U CN220845275U CN 220845275 U CN220845275 U CN 220845275U CN 202322759437 U CN202322759437 U CN 202322759437U CN 220845275 U CN220845275 U CN 220845275U
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- 230000000712 assembly Effects 0.000 claims abstract description 5
- 238000000429 assembly Methods 0.000 claims abstract description 5
- 230000002265 prevention Effects 0.000 claims description 24
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000005728 strengthening Methods 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses an electric hoist anti-falling device, which comprises a first anti-falling frame and a second anti-falling frame, and is characterized in that: the anti-falling device comprises a first anti-falling frame, a second anti-falling frame, an L-shaped strip A and an L-shaped strip B, wherein the first anti-falling frame and the second anti-falling frame are symmetrically arranged in structure, the upper end of the first anti-falling frame is fixedly provided with the L-shaped strip A and the L-shaped strip B, a pulley assembly is arranged between a vertical strip of the L-shaped strip A and a vertical strip of the L-shaped strip B, and the L-shaped strip A and the L-shaped strip B of the first anti-falling frame are fixedly connected with the L-shaped strip A and the L-shaped strip B of the second anti-falling frame through telescopic assemblies: through having set up flexible subassembly and pulley assembly, conveniently according to electric block's specification to first anti-falling frame and second anti-falling frame's interval adjustment to adapt to electric block's width, adjust the high position of first anti-falling frame and second anti-falling frame so that the high position of first anti-falling frame and second anti-falling frame is corresponding with electric block both ends.
Description
Technical Field
The utility model belongs to the technical field of electric hoists, and particularly relates to an electric hoist anti-falling device.
Background
The electric hoist has compact structure, and the electric hoist with the motor axis vertical to the axis of the winding drum adopts a worm gear transmission device. The defects are as follows: the length dimension is large, the width dimension is large, the structure is thick, the mechanical efficiency is low, the processing is difficult, and the like. The hydraulic system is double-control, and the overflow regulating valve and the magnetic contact pressure gauge can accurately control the pressure. The electric appliance control department adopts low-voltage control, and the safety of a dominant system is improved.
The electric hoist can sometimes cause unexpected falling of electric hoist when equipment ageing or improper operation are led to the live time to too long, so can set up anti-falling device and protect electric hoist, but present anti-falling device is fixed generally, is difficult to adapt to electric hoist.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a device that falls is prevented to electric block, including first anti-falling frame and second anti-falling frame, its characterized in that: the anti-falling device comprises a first anti-falling frame and a second anti-falling frame, wherein clamping assemblies used for clamping two sides of an electric hoist are arranged in the first anti-falling frame, an L-shaped strip A and an L-shaped strip B are fixedly arranged at the upper end of the first anti-falling frame, the L-shaped strip A and the L-shaped strip B are arranged at intervals, a pulley assembly is arranged between a vertical strip of the L-shaped strip A and a vertical strip of the L-shaped strip B, an anti-falling assembly is arranged between a transverse strip of the L-shaped strip A and a transverse strip of the L-shaped strip B, the anti-falling assembly comprises reinforcing ribs fixedly arranged between the L-shaped strip A and the L-shaped strip B, a buffer assembly is arranged at the lower end of the reinforcing ribs, and the L-shaped strip A and the L-shaped strip B of the first anti-falling frame are fixedly connected with the L-shaped strip A and the L-shaped strip B of the second anti-falling frame through a telescopic assembly.
As a further improvement of the utility model: the telescopic component comprises a telescopic rod positioned between an L-shaped strip A and an L-shaped strip B of the first falling prevention frame and an L-shaped strip A and an L-shaped strip B of the second falling prevention frame, one end of the telescopic rod is fixedly connected with the L-shaped strip A and the L-shaped strip B of the first falling prevention frame, and the other end of the telescopic rod is fixedly connected with the L-shaped strip A and the L-shaped strip B of the second falling prevention frame.
As a further improvement of the utility model: the buffer component comprises a damper fixedly arranged at the lower end of the reinforcing rib.
As a further improvement of the utility model: the pulley assembly comprises two moving blocks, a rotating wheel is rotatably arranged between the two moving blocks, and the two moving blocks are respectively and vertically movably arranged on the L-shaped strip A and the L-shaped strip B through movable assemblies which are identical in structure.
As a further improvement of the utility model: the movable assembly comprises a through groove which is formed in the L-shaped strip A in a penetrating mode, a screw rod is fixedly arranged in the through groove in a rotating mode, the movable block is arranged in a transmission mode with the screw rod, a driving motor is fixedly arranged at the upper end of the L-shaped strip A, and an output shaft of the driving motor is fixedly connected with one end of the screw rod.
As a further improvement of the utility model: the clamping assembly comprises a clamping groove and clamping blocks, wherein the clamping groove is formed in the first anti-falling frame in a penetrating mode, the clamping blocks are located in the clamping groove, sliding strips are fixedly arranged on two sides of the clamping blocks, the clamping blocks are arranged in the clamping groove in a vertically movable mode through the sliding strips, and a driving assembly used for driving the clamping blocks to move is arranged on the first anti-falling frame.
As a further improvement of the utility model: the driving assembly comprises a driving cylinder fixedly arranged at the lower end of the first anti-falling frame, and the piston rod end of the driving cylinder stretches into the clamping groove to be fixedly connected with the lower end of the clamping block.
The utility model has the beneficial effects that: through having set up flexible subassembly and pulley assembly, conveniently according to electric block's specification to first anti-falling frame and second anti-falling frame's interval adjustment to adapt to electric block's width, adjust the high position of first anti-falling frame and second anti-falling frame so that the high position of first anti-falling frame and second anti-falling frame is corresponding with electric block both ends.
Drawings
FIG. 1 is a construction diagram of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a side view of the present utility model;
Reference numerals illustrate: 1. the anti-falling device comprises a first anti-falling frame, a second anti-falling frame, a 3L-shaped strip A, a 4.L-shaped strip B, a reinforcing rib, a 6-shaped telescopic rod, a 7-shaped damper, an 8-shaped moving block, a 9-shaped rotating wheel, a 10-shaped through groove, a 11-shaped screw rod, a 12-shaped driving motor, a 13-shaped clamping groove, a 14-shaped clamping block, a 15-shaped sliding strip and a 16-shaped driving cylinder.
Detailed Description
The utility model will be further described in detail with reference to examples of embodiments shown in the drawings.
Referring to fig. 1-3, an electric hoist anti-falling device of this example, including first anti-falling frame 1 and second anti-falling frame 2, first anti-falling frame 1 and second anti-falling frame 2 structural symmetry set up, be provided with the clamping component that is used for pressing from both sides electric hoist in the first anti-falling frame 1, the fixed L type strip A3 and the L type strip B4 that are provided with in upper end of first anti-falling frame 1, L type strip A3 and L type strip B4 interval set up, be provided with pulley assembly between L type strip A3's vertical bar and the L type strip B4's vertical bar, be provided with anti-falling subassembly between L type strip A3's horizontal bar and the L type strip B4's horizontal bar, anti-falling subassembly is including the strengthening rib 5 of fixed setting between L type strip A3 and L type strip B4, the lower extreme of strengthening rib 5 is provided with buffer assembly, the L type strip A3 of first anti-falling frame 1 and L type strip B4 and the second anti-falling frame 2 are the flexible principle of the utility model and are fixed between L type strip B3 and the L type strip B4, and the flexible principle of the utility model is connected for the fixed to the L type strip B4: because the first anti-falling frame 1 and the second anti-falling frame 2 are arranged in a structural symmetry way, the first anti-falling frame 1 is internally provided with a clamping component used for clamping two sides of the electric hoist, the upper end of the first anti-falling frame 1 is fixedly provided with an L-shaped strip A3 and an L-shaped strip B4, the L-shaped strip A3 and the L-shaped strip B4 are arranged at intervals, a pulley component is arranged between a vertical strip of the L-shaped strip A3 and a vertical strip of the L-shaped strip B4, an anti-falling component is arranged between a horizontal strip of the L-shaped strip A3 and a horizontal strip of the L-shaped strip B4, the anti-falling component comprises a reinforcing rib 5 fixedly arranged between the L-shaped strip A3 and the L-shaped strip B4, the lower end of the reinforcing rib 5 is provided with a buffer component, the L-shaped strip A3 and the L-shaped strip B4 of the first anti-falling frame 1 are fixedly connected with the L-shaped strip A3 and the L-shaped strip B4 of the second anti-falling frame 2 through a telescopic component, the telescopic component comprises a telescopic rod 6 positioned between the vertical bars of an L-shaped bar A3 and an L-shaped bar B4 of the first falling prevention frame 1 and the vertical bars of the L-shaped bar A3 and the L-shaped bar B4 of the second falling prevention frame 2, one end of the telescopic rod 6 is fixedly connected with the L-shaped bar A3 and the L-shaped bar B4 of the first falling prevention frame 1, the other end of the telescopic rod 6 is fixedly connected with the L-shaped bar A3 and the L-shaped bar B4 of the second falling prevention frame 2, the buffer component comprises a damper 7 fixedly arranged at the lower end of the reinforcing rib 5, the pulley component comprises two moving blocks 8, a rotating wheel 9 is rotatably arranged between the two moving blocks 8, the two moving blocks 8 are respectively arranged on the L-shaped bar A3 and the L-shaped bar B4 in a vertically movable mode through a movable component which is arranged in the same structure, the movable component comprises a through groove 10 which is arranged on the L-shaped bar A3 in a fixed and rotating way, the moving block 8 is arranged in a screw 11 in a transmission way, the upper end of the L-shaped bar A3 is fixedly provided with a motor 12, the output shaft of the driving motor 12 is fixedly connected with one end of the screw rod 11, the clamping component comprises a clamping groove 13 which is formed in the first anti-falling frame 1 in a penetrating way and a clamping block 14 which is positioned in the clamping groove 13, sliding strips 15 are fixedly arranged on two sides of the clamping block 14, the clamping block 14 is movably arranged in the clamping groove 13 up and down through the sliding strips 15, the first anti-falling frame 1 is provided with a driving component for driving the clamping block 14 to move, the driving component comprises a driving cylinder 16 which is fixedly arranged at the lower end of the first anti-falling frame 1, the piston rod end of the driving cylinder 16 extends into the clamping groove 13 and is fixedly connected with the lower end of the clamping block 14, when the electric hoist anti-falling device is used, the electric hoist anti-falling device is positioned on a crossbeam which runs, the crossbeam is positioned in the interval between an L-shaped strip A3 and an L-shaped strip B4, the upper surface of the crossbeam is in abutting arrangement with a rotating wheel 9, when the electric hoist is required to be used for anti-falling the electric hoist, firstly, the telescopic rod 6 is started, the telescopic rod 6 drives the L-shaped strip A3 and the L-shaped strip B4 of the first anti-falling frame 1 and the L-shaped strip A3 and the L-shaped strip B4 of the second anti-falling frame 2 to be mutually close to or far away from each other, so that the first anti-falling frame 1 and the second anti-falling frame 2 are driven to be mutually close to or far away from each other, the width of the electric hoist is adapted, then the height positions of the first anti-falling frame 1 and the second anti-falling frame 2 are required to be adjusted, so that the height positions of the first anti-falling frame 1 and the second anti-falling frame 2 can correspond to the two ends of the electric hoist, firstly, the driving motor 12 is started, the screw rod 11 is driven to rotate after the driving motor 12 is started, so that the moving block 8 is driven to move through transmission, the rotating wheel 9 is driven to relatively move up and down between the L-shaped strip A3 and the L-shaped strip B4, and the upper surface of the cross beam is in a contradiction arrangement, after the rotating wheel 9 moves up and down relatively between the L-shaped strip A3 and the L-shaped strip B4, the L-shaped strip A3, the L-shaped strip B4 and the cross beam are driven to move up and down relatively, so that the first anti-falling frame 1, the second anti-falling frame 2 and the cross beam are driven to move up and down relatively, the height positions of the first anti-falling frame 1 and the second anti-falling frame 2 are adjusted to correspond to the two ends of the electric hoist, then the first anti-falling frame 1 and the second anti-falling frame 2 are driven by the telescopic rod 6 to be close to each other, the two ends of the electric hoist enter the clamping grooves 13 of the first anti-falling frame 1 and the second anti-falling frame 2, then the driving cylinder 16 is started, the clamping block 14 is driven by the driving cylinder 16 to ascend to fix one end of the electric hoist in the clamping groove 13, and the device is fixed on the electric hoist when the electric hoist falls, the two ends of the electric hoist can be positioned in the clamping grooves 13 of the first anti-falling frame 1 and the second anti-falling frame 2, so that the gravity of the electric hoist is transmitted to the rotating wheel 9, the electric hoist is hung on the cross beam through the rotating wheel 9 to avoid falling, if the rotating wheel 9 breaks after being used for a long time, the upper end of the cross beam can collide with the damper 7 at the lower end of the reinforcing rib 5 to slow down the impact force, then the electric hoist of the first anti-falling frame 1 and the second anti-falling frame 2 can be continuously hung on the cross beam through the damper 7 and the reinforcing rib 5, the arrangement of the rotating wheel 9 also facilitates the synchronous movement of the electric hoist along with the electric hoist, the distance between the first anti-falling frame 1 and the second anti-falling frame 2 is conveniently adjusted according to the specification of the electric hoist through the telescopic component and the pulley component, so that the width of the electric hoist is adapted, the height positions of the first falling prevention frame 1 and the second falling prevention frame 2 are adjusted so that the height positions of the first falling prevention frame 1 and the second falling prevention frame 2 correspond to two ends of the electric hoist.
The utility model is further provided with: the telescopic assembly comprises a telescopic rod 6 positioned between an L-shaped strip A3 of the first anti-falling frame 1 and a vertical strip of the L-shaped strip B4 and an L-shaped strip A3 of the second anti-falling frame 2 and a vertical strip of the L-shaped strip B4, one end of the telescopic rod 6 is fixedly connected with the L-shaped strip A3 of the first anti-falling frame 1 and the L-shaped strip B4, the other end of the telescopic rod 6 is fixedly connected with the L-shaped strip A3 of the second anti-falling frame 2 and the L-shaped strip B4, and the telescopic assembly is arranged to conveniently adjust the distance between the first anti-falling frame 1 and the second anti-falling frame 2 through the telescopic rod 6 according to the specification of the electric hoist, so that the width of the electric hoist is adapted.
The utility model is further provided with: the buffer component comprises a damper 7 fixedly arranged at the lower end of the reinforcing rib 5, the damper 7 is arranged, when an electric hoist falls, two ends of the electric hoist can be located in the clamping grooves 13 of the first anti-falling frame 1 and the second anti-falling frame 2, so that the gravity of the electric hoist is transferred to the rotating wheel 9, the electric hoist can be hung on a beam through the rotating wheel 9 to avoid falling, if the rotating wheel 9 is broken after being used for a long time, the upper end of the beam can collide with the damper 7 at the lower end of the reinforcing rib 5 to slow down the impact force, and then the electric hoist of the first anti-falling frame 1 and the second anti-falling frame 2 can be continuously hung on the beam through the damper 7 and the reinforcing rib 5.
The utility model is further provided with: the pulley assembly comprises two movable blocks 8, the rotation is provided with a rotating wheel 9 between the two movable blocks 8, the movable assemblies which are arranged in the same structure are respectively arranged on the L-shaped strip A3 and the L-shaped strip B4 in a vertically movable mode, the pulley assembly is arranged, the first falling prevention frame 1 and the second falling prevention frame 2 are conveniently adjusted to be in collision with the cross beam through the rotating wheel 9, the first falling prevention frame 1 and the second falling prevention frame 2 can be positioned at the height positions corresponding to the two ends of the electric hoist, the device and the electric hoist are fixedly connected, the rotating wheel 9 is arranged to facilitate synchronous movement between the device and the electric hoist, and when the electric hoist is required to fall, the electric hoist can be hung on the first falling prevention frame 1 and the second falling prevention frame 2, and the first falling prevention frame 1 and the second falling prevention frame 2 can not receive the influence of the falling space acceleration due to the collision of the upper surface of the rotating wheel 9 and the cross beam, and the electric hoist can not receive the influence of the falling acceleration, so that the impact force is small.
The utility model is further provided with: the movable assembly comprises a through groove 10 which is formed in the L-shaped strip A3 in a penetrating mode, a screw rod 11 is fixedly arranged in the through groove 10 in a rotating mode, the movable block 8 is in transmission arrangement with the screw rod 11, a driving motor 12 is fixedly arranged at the upper end of the L-shaped strip A3, an output shaft of the driving motor 12 is fixedly connected with one end of the screw rod 11, and the movable assembly is arranged to facilitate driving of the rotating wheel 9 to move up and down.
The utility model is further provided with: the clamping assembly comprises a clamping groove 13 which is formed in the first anti-falling frame 1 in a penetrating mode and clamping blocks 14 which are located in the clamping groove 13, sliding strips 15 are fixedly arranged on two sides of the clamping blocks 14, the clamping blocks 14 are vertically movably arranged in the clamping groove 13 through the sliding strips 15, a driving assembly used for driving the clamping blocks 14 to move is arranged on the first anti-falling frame 1, and the clamping assembly is arranged to facilitate fixing of two ends of an electric hoist.
The utility model is further provided with: the driving assembly comprises a driving cylinder 16 fixedly arranged at the lower end of the first anti-falling frame 1, and a piston rod end of the driving cylinder 16 stretches into the clamping groove 13 to be fixedly connected with the lower end of the clamping block 14, and the driving assembly is arranged to conveniently drive the clamping block 14 to move so as to be fixed with the electric hoist.
The above description is merely of preferred embodiments of the present utility model, and the present utility model is not limited to the above embodiments, and any modifications, adaptations or equivalent substitutions made by those skilled in the art based on the above description fall within the scope of the present utility model.
Claims (7)
1. The utility model provides a device that falls is prevented to electric block, is including first anti-falling frame (1) and second anti-falling frame (2), its characterized in that: the utility model discloses a safety catch, including electric hoist, first anti-falling rack (1) and second anti-falling rack (2) structural symmetry set up, be provided with the clamping component that is used for pressing from both sides tightly electric hoist both sides in first anti-falling rack (1), the fixed L type strip A (3) and L type strip B (4) that are provided with in upper end of first anti-falling rack (1), L type strip A (3) and L type strip B (4) interval set up, be provided with pulley assembly between the vertical bar of L type strip A (3) and the vertical bar of L type strip B (4), be provided with anti-falling subassembly between the horizontal bar of L type strip A (3) and the horizontal bar of L type strip B (4), anti-falling subassembly is including fixed setting up strengthening rib (5) between L type strip A (3) and L type strip B (4), the lower extreme of strengthening rib (5) is provided with buffer assembly, the L type strip A (3) of first anti-falling rack (1) and L type strip B (4) and the fixed subassembly of L type strip B (4) and the flexible type of second anti-falling rack (2) and the type of L (4).
2. The electric hoist fall protection device of claim 1, wherein: the telescopic assembly comprises a telescopic rod (6) positioned between an L-shaped strip A (3) of a first falling prevention frame (1) and an L-shaped strip B (4) and an L-shaped strip A (3) of a second falling prevention frame (2) and an L-shaped strip B (4), one end of the telescopic rod (6) is fixedly connected with the L-shaped strip A (3) of the first falling prevention frame (1) and the L-shaped strip B (4), and the other end of the telescopic rod (6) is fixedly connected with the L-shaped strip A (3) of the second falling prevention frame (2) and the L-shaped strip B (4).
3. The electric hoist fall protection device of claim 2, wherein: the buffer component comprises a damper (7) fixedly arranged at the lower end of the reinforcing rib (5).
4. The electric hoist fall protection device of claim 3, wherein: the pulley assembly comprises two moving blocks (8), a rotating wheel (9) is rotatably arranged between the two moving blocks (8), and the two moving blocks (8) are respectively and vertically movably arranged on the L-shaped strip A (3) and the L-shaped strip B (4) through movable assemblies which are identical in structure.
5. The electric hoist fall protection device of claim 4, wherein: the movable assembly comprises a through groove (10) which is formed in the L-shaped strip A (3) in a penetrating mode, a screw rod (11) is fixedly arranged in the through groove (10) in a rotating mode, the movable block (8) is in transmission arrangement with the screw rod (11), a driving motor (12) is fixedly arranged at the upper end of the L-shaped strip A (3), and an output shaft of the driving motor (12) is fixedly connected with one end of the screw rod (11).
6. The electric hoist fall protection device of claim 5, wherein: the clamping assembly comprises a clamping groove (13) which is formed in the first anti-falling frame (1) in a penetrating mode and clamping blocks (14) which are located in the clamping groove (13), sliding strips (15) are fixedly arranged on two sides of the clamping blocks (14), the clamping blocks (14) are vertically movably arranged in the clamping groove (13) through the sliding strips (15), and a driving assembly used for driving the clamping blocks (14) to move is arranged on the first anti-falling frame (1).
7. The electric hoist fall protection device of claim 6, wherein: the driving assembly comprises a driving cylinder (16) fixedly arranged at the lower end of the first anti-falling frame (1), and the piston rod end of the driving cylinder (16) stretches into the clamping groove (13) to be fixedly connected with the lower end of the clamping block (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322759437.0U CN220845275U (en) | 2023-10-14 | 2023-10-14 | Anti-falling device for electric hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322759437.0U CN220845275U (en) | 2023-10-14 | 2023-10-14 | Anti-falling device for electric hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220845275U true CN220845275U (en) | 2024-04-26 |
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ID=90748123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322759437.0U Active CN220845275U (en) | 2023-10-14 | 2023-10-14 | Anti-falling device for electric hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220845275U (en) |
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2023
- 2023-10-14 CN CN202322759437.0U patent/CN220845275U/en active Active
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