CN221370105U - Safe lifting device with anti-falling function - Google Patents
Safe lifting device with anti-falling function Download PDFInfo
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- CN221370105U CN221370105U CN202323356043.7U CN202323356043U CN221370105U CN 221370105 U CN221370105 U CN 221370105U CN 202323356043 U CN202323356043 U CN 202323356043U CN 221370105 U CN221370105 U CN 221370105U
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- connecting rod
- mount
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims 1
- 238000005303 weighing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 6
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of elevators, and particularly relates to a safety lifting device with an anti-falling function. The technique includes the support frame of vertical setting, and support frame front side level is provided with along the gliding car of support frame up-and-down, and the car top is fixed with the mount, and the mount is opening "U" font structure down, and the mount top is provided with the wire rope who pulls the car and reciprocate, the communicating through-hole of controlling has been seted up on the left and right sides wall of mount, and the pivot is worn to be equipped with in the through-hole level, and the cover is equipped with fixed cover in the pivot in the mount outside, is fixed with the couple on the fixed cover, is provided with the control assembly that control couple hung on the support frame after wire rope fracture in the mount. According to the utility model, the lift car is pulled to move through the steel wire rope, when the steel wire rope is broken, the hook is rapidly rotated from a horizontal state to an inclined state facing the support frame under the action of the control assembly, so that the hook is suspended on the support frame, and the lift car is braked emergently.
Description
Technical Field
The utility model belongs to the technical field of elevators, and particularly relates to a safety lifting device with an anti-falling function.
Background
When constructing a building, constructors often need to use a lifter, a construction lifter, also called a construction elevator for a building, and the elevator is mainly used for inner and outer decoration construction of the high-rise building, and is a construction machine commonly used for carrying people and cargo in the construction.
The existing construction elevator comprises a support frame, the support frame is fixed on the outer facade of a building, a lift car for bearing constructors or cargoes is arranged on the side edge of the support frame, wind-up rolls are arranged at the top and the bottom of the support frame, a steel wire rope is arranged at the top of the lift car, the upper end of the steel wire rope is wound in the wind-up roll at the bottom of the support frame after bypassing the wind-up roll at the top of the support frame, a motor for driving the wind-up roll to rotate is arranged at the bottom of the support frame, lifting movement is realized along the height direction of the support frame by pulling the lift car through the steel wire rope, an emergency braking device is absent in the elevator, and once unexpected situations such as power failure, motor failure or breakage of the steel wire rope occur, the lift frame can not fall to the ground under control, and unexpected injuries are caused to workers riding on the lift frame.
Disclosure of utility model
According to the defects in the prior art, the technical problems to be solved by the utility model are as follows: the safety lifting device with the anti-falling function is simple in structure, and the lift car is braked emergently when the steel wire rope is broken.
The safe lifting device with the anti-falling function comprises a vertically arranged support frame, wherein the front side of the support frame is horizontally provided with a car sliding up and down along the support frame, the top of the car is fixedly provided with a fixing frame which is of a U-shaped structure with a downward opening, the top of the fixing frame is provided with a steel wire rope for dragging the car to move up and down, left and right communicated through holes are formed in the left side wall and the right side wall of the fixing frame, a rotating shaft is horizontally arranged in the through holes in a penetrating mode, a fixing sleeve is sleeved on the rotating shaft on the outer side of the fixing frame, a hook is fixed on the fixing sleeve, and a control component for controlling the hook to be hung on the support frame after the steel wire rope is broken is arranged in the fixing frame.
Further, the control assembly comprises a flat plate, the flat plate is horizontally arranged in the fixing frame, the toothed plate is vertically fixed at the bottom of the flat plate, a gear ring meshed with the toothed plate is sleeved on a rotating shaft inside the fixing frame, a clamping groove for inserting the toothed plate is formed in the top of the car downwards, a tension spring is arranged between the flat plate and the car, and the hook is hung on the supporting frame in a natural state of the tension spring.
Further, a first connecting rod is fixed on the fixed sleeve, a second connecting rod is detachably connected to the movable end of the first connecting rod, the hook is fixed to the movable end of the second connecting rod, a collecting roller is horizontally arranged in the first connecting rod, a cable is wound on the collecting roller, and the movable end of the cable is fixed to the second connecting rod.
Further, the connecting end of the second connecting rod is fixed with a baffle, and the connecting end of the first connecting rod is fixed with a first magnetic block for adsorbing the baffle.
Further, two fixed blocks are fixed at the top of the car, the two fixed blocks are respectively arranged at two sides of the fixing frame, the two fixed blocks are provided with left and right communicated mounting holes, and two ends of the rotating shaft are respectively arranged in the corresponding mounting holes in a penetrating mode.
Further, a movable rod swinging up and down is hinged on the front inner side wall of the lift car, and a second magnetic block for adsorbing the movable rod is fixed on the rear inner side wall of the lift car.
Compared with the prior art, the utility model has the following beneficial effects:
According to the utility model, the lift car is pulled to move through the steel wire rope, when the steel wire rope is broken, the hook is rapidly rotated from a horizontal state to an inclined state towards the support frame under the action of the control assembly, so that the hook is suspended on the support frame, the lift car is braked emergently, and personnel and economic losses are avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is an enlarged view of the hanger of FIG. 3 in section;
Fig. 5 is a side view of the car of fig. 1;
The names of the components in the figure are as follows: 1. fixed block 2, car 3, support frame 4, pivot 5, fixed cover 6, wire rope 7, dull and stereotyped 8, pinion rack 9, ring gear 10, extension spring 11, mount 12, second connecting rod 13, couple 14, first connecting rod 15, hawser 16, first magnetic path 17, baffle 18, second magnetic path 19, movable rod.
Detailed Description
The present utility model is further illustrated by the following examples, which are not intended to be limiting, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.
Example 1
The safe lifting device with the anti-falling function in the embodiment, as shown in fig. 1 to 5, comprises a vertically arranged support frame 3, wherein the support frame 3 is fixed on the outer vertical surface of a building;
the front side of the support frame 3 is horizontally provided with a lift car 2 which slides up and down along the support frame 3, and the lift car 2 moves up and down along the height direction of the support frame 3 under the traction of a steel wire rope 6;
The top of the lift car 2 is fixedly provided with a fixing frame 11, the fixing frame 11 is of a U-shaped structure with a downward opening, and the opening of the fixing frame 11 faces towards and is fixed at the top of the lift car 2;
The top of the fixing frame 11 is provided with a steel wire rope 6 for pulling the car 2 to move up and down, and a motor at the bottom of the supporting frame 3 drives the winch to rotate, so that the length of the steel wire rope 6 is changed, and the car 2 is pulled to move up and down along the height direction of the supporting frame 3;
The left and right side walls of the fixing frame 11 are provided with left and right communicated through holes, the through holes are internally and horizontally penetrated with rotating shafts 4, as shown in fig. 1 and 2, the two through holes are respectively arranged at the lower half parts of the left and right side walls of the fixing frame 11, the left end of the rotating shaft 4 is positioned at the left side of the fixing frame 11 after passing through the left through hole, and the right end of the rotating shaft 4 is positioned at the right side of the fixing frame 11 after passing through the right through hole;
The rotating shaft 4 outside the fixed frame 11 is sleeved with a fixed sleeve 5, a hook 13 is fixed on the fixed sleeve 5, and the fixed sleeve is hung on a cross beam of the support frame 3 through the hook 13, so that the car 2 realizes emergency braking;
The fixed frame 11 is internally and horizontally provided with a flat plate 7, the top of the fixed frame 11 is provided with a through hole which is communicated up and down, the steel wire rope 6 passes through the through hole and is fixed at the top of the flat plate 7, and the lift car 2 is pulled to move along the height direction of the support frame 3 under the limit action of the fixed frame 11; a toothed plate 8 is vertically fixed at the bottom of the flat plate 7, a gear ring 9 meshed with the toothed plate 8 is sleeved on the rotating shaft 4 in the fixing frame 11, and when the toothed plate 8 moves, the toothed plate 8 is meshed with the gear ring 9 to drive the gear ring 9 to rotate, so that the rotating shaft 4 is driven to rotate; the top of the lift car 2 is provided with a clamping groove for inserting the toothed plate 8 downwards, the toothed plate 8 is inserted into the clamping groove at the top of the lift car 2 when moving downwards, and the clamping groove provides a stroke for the movement of the toothed plate 8; a tension spring 10 is arranged between the flat plate 7 and the car 2, the upper end of the tension spring 10 is fixed at the bottom of the flat plate 7, and the lower end of the tension spring 10 is fixed at the top of the car 2; when the steel wire rope 6 breaks, the tension spring 10 pulls the flat plate 7 to move downwards to drive the rotating shaft 4 to rotate and drive the hook 13 to rotate backwards, so that the hook 13 is suspended on a cross beam of the support frame 3, and emergency braking of the car 2 is realized; the whole text forms a control component for controlling the hanging hook 13 to hang on the supporting frame 3 after the steel wire rope 6 is broken; when the control assembly is used, when the steel wire rope 6 is broken, the flat plate 7 loses the tension of the steel wire rope 6, the flat plate 7 is pulled to move downwards under the action of the tension spring 10, the toothed plate 8 moves downwards, the toothed plate 8 is meshed with the toothed ring 9 to drive the toothed ring 9 to rotate backwards, the rotating shaft 4 rotates backwards along with the toothed ring 9 to drive the hook 13 to rotate backwards, the hook rotates from a horizontal state to an inclined state facing the support frame 3, and when the car 2 moves downwards, the hook 13 is hung on a cross beam of the support frame 3 to realize emergency braking of the car 2; of course, the control assembly can also adopt two hooks 13, the two hooks 13 are respectively arranged on the rotating shafts 4 at the left side and the right side of the fixed frame 11, the bearing capacity of the hooks 13 can be increased through the two hooks 13, and the situation that the hooks 13 are broken due to the fact that the weight of the car 2 is too heavy is avoided.
When the elevator car is used, the elevator car 2 is pulled to move along the height direction of the support frame 3 through the steel wire rope 6, when the steel wire rope 6 breaks, the rotating shaft 4 is controlled to rotate through the control component, the horizontally arranged hooks 13 are rotated to be in an inclined state towards the support frame 3, the hooks 13 are hung on the cross beam of the support frame 3 in the descending process of the elevator car 2, emergency braking of the elevator car 2 is achieved, and injury and economic loss of constructors are avoided.
Example 2
In this embodiment, as shown in fig. 3 and fig. 4, the fixed sleeve 5 is fixed with a first link 14, the movable end of the first link 14 is detachably connected with a second link 12, and when the car 2 is braked emergently, the first link 14 is separated from the second link 12, and the developed cable 15 buffers the impact force;
The hook 13 is fixed at the movable end of the second connecting rod 12, a collecting roller is horizontally arranged in the first connecting rod 14, a mounting groove is formed in the first connecting rod 14 along the length direction of the first connecting rod 14, and the collecting roller is mounted in the mounting groove;
The cable 15 is wound on the collecting roller, the movable end of the cable 15 is fixed on the second connecting rod 12, when the car 2 is braked emergently, the hook 13 is hung on the supporting frame 3, the second connecting rod 12 is separated from the first connecting rod 14, the second connecting rod 12 pulls the cable 15, the cable 15 is unfolded from the collecting roller, impact force generated during emergency braking of the car 2 is buffered, and the service lives of the hook 13 and the rotating shaft 4 are prolonged.
As shown in fig. 4, the connecting end of the second connecting rod 12 is fixed with a baffle 17, the connecting end of the first connecting rod 14 is fixed with a first magnetic block 16 for adsorbing the baffle 17, the baffle 17 is made of a metal material capable of being adsorbed by the first magnetic block 16, when the hook 13 is not used, the baffle 17 is fixed on the first connecting rod 14 through the first magnetic block 16, rainwater and the like are prevented from entering the first connecting rod 14, the cable 15 and corrosion are reduced, and the service life of the cable 15 is prolonged.
Example 3
This embodiment further illustrates the technique, as shown in fig. 1 and 3, the top of the car 2 is fixed with two fixing blocks 1, the two fixing blocks 1 are respectively disposed at two sides of the fixing frame 11, the two fixing blocks 1 are provided with left and right communicating mounting holes, two ends of the rotating shaft 4 are respectively installed in the corresponding mounting holes in a penetrating manner, the left end of the rotating shaft 4 is installed in the left fixing block 1, the right end is installed in the right fixing block 1, the mechanical strength of the rotating shaft 4 is increased by the two fixing blocks 1, and the situation that the impact force generated during emergency braking of the car 2 is too large, resulting in stretch bending of two ends of the rotating shaft 4 is avoided.
Example 4
The technology of this embodiment is further described, as shown in fig. 5, a movable rod 19 that swings up and down is hinged on the front inner side wall of the car 2, one end of the movable rod 19 is installed on the inner side wall of the car 2 through a hinge seat, the movable rod 19 swings up and down around the hinge seat,
The second magnetic block 18 used for adsorbing the movable rod 19 is fixed on the rear inner side wall of the car 2, when the movable rod 19 rotates to be in a horizontal state, the movable end of the movable rod 19 is adsorbed on the second magnetic block 18, the movable rod 19 is used for blocking materials in the car 2, the materials are prevented from sliding out of the car 2, and economic losses are reduced.
Claims (6)
1. The utility model provides a safe elevating gear with prevent weighing down function, includes support frame (3) of vertical setting, and support frame (3) front side level is provided with along support frame (3) gliding car (2) from top to bottom, and car (2) top is fixed with mount (11), and mount (11) are opening "U" font structure down, and mount (11) top is provided with wire rope (6) that pull car (2) reciprocates, its characterized in that: left and right communicated through holes are formed in the left and right side walls of the fixing frame (11), the rotating shaft (4) horizontally penetrates through the through holes, the rotating shaft (4) on the outer side of the fixing frame (11) is sleeved with the fixing sleeve (5), the fixing sleeve (5) is fixedly provided with the hanging hook (13), and a control assembly for controlling the hanging hook (13) to hang on the supporting frame (3) after the steel wire rope (6) is broken is arranged in the fixing frame (11).
2. The safety lifting device with a fall protection function according to claim 1, wherein: the control assembly comprises a flat plate (7), the flat plate (7) is horizontally arranged in a fixing frame (11), a toothed plate (8) is vertically fixed at the bottom of the flat plate (7), a gear ring (9) meshed with the toothed plate (8) is sleeved on a rotating shaft (4) inside the fixing frame (11), a clamping groove for inserting the toothed plate (8) is formed in the top of the car (2) downwards, a tension spring (10) is arranged between the flat plate (7) and the car (2), and a hook (13) is hung on a supporting frame (3) in a natural state of the tension spring (10).
3. The safety lifting device with a fall protection function according to claim 1, wherein: the fixing sleeve (5) is fixedly provided with a first connecting rod (14), the movable end of the first connecting rod (14) is detachably connected with a second connecting rod (12), the hook (13) is fixedly arranged at the movable end of the second connecting rod (12), the first connecting rod (14) is internally and horizontally provided with a collecting roller, a cable (15) is wound on the collecting roller, and the movable end of the cable (15) is fixedly arranged on the second connecting rod (12).
4. The safety lifting device with a fall protection function according to claim 3, wherein: the connecting end of the second connecting rod (12) is fixedly provided with a baffle (17), and the connecting end of the first connecting rod (14) is fixedly provided with a first magnetic block (16) for adsorbing the baffle (17).
5. The safety lifting device with a fall protection function according to claim 1, wherein: two fixed blocks (1) are fixed at the top of the lift car (2), the two fixed blocks (1) are respectively arranged at two sides of the fixed frame (11), the two fixed blocks (1) are provided with left and right communicated mounting holes, and two ends of the rotating shaft (4) are respectively arranged in the corresponding mounting holes in a penetrating mode.
6. The safety lifting device with a fall protection function according to claim 1, wherein: the movable rod (19) swinging up and down is hinged on the front inner side wall of the lift car (2), and a second magnetic block (18) for adsorbing the movable rod (19) is fixed on the rear inner side wall of the lift car (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323356043.7U CN221370105U (en) | 2023-12-08 | 2023-12-08 | Safe lifting device with anti-falling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323356043.7U CN221370105U (en) | 2023-12-08 | 2023-12-08 | Safe lifting device with anti-falling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221370105U true CN221370105U (en) | 2024-07-19 |
Family
ID=91865962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323356043.7U Active CN221370105U (en) | 2023-12-08 | 2023-12-08 | Safe lifting device with anti-falling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221370105U (en) |
-
2023
- 2023-12-08 CN CN202323356043.7U patent/CN221370105U/en active Active
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