CN220485071U - Lifting mechanism of portal crane - Google Patents
Lifting mechanism of portal crane Download PDFInfo
- Publication number
- CN220485071U CN220485071U CN202320902765.9U CN202320902765U CN220485071U CN 220485071 U CN220485071 U CN 220485071U CN 202320902765 U CN202320902765 U CN 202320902765U CN 220485071 U CN220485071 U CN 220485071U
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- China
- Prior art keywords
- fixedly connected
- wire rope
- motor
- backup pad
- lifting mechanism
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 238000005461 lubrication Methods 0.000 claims description 21
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The utility model discloses a lifting mechanism of a portal crane, which relates to the technical field of cranes and particularly comprises a travelling trolley, wherein a fixed plate is fixedly connected below the travelling trolley, one side of the fixed plate is fixedly connected with a first motor, an output shaft of the first motor is fixedly connected with a winding drum, the outer surface of the winding drum is provided with a steel wire rope, one end of the steel wire rope is fixedly connected with a lifting hook, the outer surface of one end of the steel wire rope, which is close to the lifting hook, is fixedly connected with a first supporting plate, and a first connecting rod is hinged above the first supporting plate. This kind of bridge portal crane hoisting mechanism, through the cooperation setting of first backup pad, head rod, second backup pad, connecting plate, second connecting rod, buffer block and spring, can cushion it when the lifting hook rises to the top in-process of using to play the effect of avoiding the direct contact of lifting hook to touch other parts, reached protection hoisting mechanism's purpose.
Description
Technical Field
The utility model relates to the technical field of cranes, in particular to a lifting mechanism of a portal crane.
Background
The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects in a certain range, and belongs to a material carrying machine. The crane is characterized by intermittent cyclic motion, namely mechanical equipment for taking materials, moving, unloading and the like in one working cycle, and mainly comprises a lifting mechanism, an operating mechanism, an amplitude changing mechanism, a slewing mechanism, a metal structure and the like, wherein the lifting mechanism is a basic working mechanism of the crane and mainly consists of a hanging system and a winch, and a hydraulic system is used for lifting and lowering heavy objects.
When the existing lifting mechanism is used, the steel cable is inconvenient to lubricate, the steel cable is not lubricated for a long time and can be corroded, the service life of the steel cable is influenced, and a lifting hook of the existing lifting mechanism stops to have a certain degree of delay when being lifted to the top, so that the lifting hook can possibly damage other parts to a certain degree.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a lifting mechanism of a portal crane, which solves the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a bridge portal crane hoisting mechanism, includes the walking dolly, the below fixedly connected with fixed plate of walking dolly, one side fixedly connected with first motor of fixed plate, the output shaft fixedly connected with rolling section of thick bamboo of first motor, the surface of rolling section of thick bamboo is provided with wire rope, wire rope's one end fixedly connected with lifting hook, wire rope's one end surface fixedly connected with first backup pad that is close to the lifting hook, the top of first backup pad articulates there is the head rod, wire rope's surface is provided with the second backup pad, the below fixedly connected with connecting plate of second backup pad, one side fixedly connected with second connecting rod of connecting plate, the surface sliding connection of second connecting rod has the buffer block, one side fixedly connected with spring of buffer block, one side butt of spring and one side of second backup pad, one side of buffer block is articulated with the one end of head rod.
Optionally, the below fixedly connected with stopper of fixed plate, the spacing hole with wire rope looks adaptation has been seted up to the top of stopper, the below fixedly connected with lubrication box of stopper.
Optionally, one side fixedly connected with second motor of lubrication box, the output shaft fixedly connected with tight pulley of second motor, the inside wall of lubrication box rotates and is connected with the auxiliary wheel, one side of lubrication box is provided with the switch, the switch passes through the wire and is connected with the second motor electricity.
Optionally, be provided with the conveyer belt between tight pulley and the auxiliary wheel, the surface fixedly connected with fixed block of conveyer belt, one side fixedly connected with brush of fixed block, the quantity of brush is a plurality of.
Optionally, one side of lubrication box is provided with the oil inlet, the oil drain port has been seted up to the below of lubrication box, the surface of oil drain port is provided with the sealed lid through threaded connection.
Optionally, round holes matched with the steel wire ropes are formed in the upper portion of the second supporting plate, the number of the first connecting rods is multiple, and the first connecting rods are uniformly distributed on the outer surfaces of the steel wire ropes.
(III) beneficial effects
The utility model provides a lifting mechanism of a portal crane, which has the following beneficial effects:
1. this kind of bridge portal crane hoisting mechanism, through the cooperation setting of first backup pad, head rod, second backup pad, connecting plate, second connecting rod, buffer block and spring, can cushion it when the lifting hook rises to the top in-process of using to play the effect of avoiding the direct contact of lifting hook to touch other parts, reached protection hoisting mechanism's purpose.
2. This kind of portal crane hoisting mechanism, through the cooperation setting of lubrication box, second motor, tight pulley, auxiliary wheel, conveyer belt, fixed block and brush, can lubricate wire rope when needs in the use to play the effect of conveniently lubricating wire rope, reached the purpose of protection wire rope.
Drawings
FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1B according to the present utility model;
fig. 4 is a schematic view of a part of the lubrication box according to the present utility model.
In the figure: 1. a walking trolley; 2. a fixing plate; 3. a first motor; 4. winding up a winding drum; 5. a wire rope; 6. a lifting hook; 7. a first support plate; 8. a first connecting rod; 9. a second support plate; 10. a connecting plate; 11. a second connecting rod; 12. a buffer block; 13. a spring; 14. a limiting block; 15. a lubrication box; 16. a second motor; 17. a fixed wheel; 18. an auxiliary wheel; 19. a conveyor belt; 20. a fixed block; 21. and (5) oil brushing.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
Referring to fig. 1 to 3, the present utility model provides the following technical solutions: the utility model provides a portal crane hoisting mechanism, including walking dolly 1, the below fixedly connected with fixed plate 2 of walking dolly 1, one side fixedly connected with first motor 3 of fixed plate 2, the output shaft fixedly connected with rolling section of thick bamboo 4 of first motor 3, the surface of rolling section of thick bamboo 4 is provided with wire rope 5, the one end fixedly connected with lifting hook 6 of wire rope 5, the one end surface fixedly connected with first backup pad 7 of wire rope 5's being close to lifting hook 6, the top of first backup pad 7 articulates there is head rod 8, the surface of wire rope 5 is provided with second backup pad 9, the below fixedly connected with connecting plate 10 of second backup pad 9, one side fixedly connected with second connecting rod 11 of connecting plate 10, the surface sliding connection of second connecting rod 11 has buffer block 12, one side fixedly connected with spring 13 of buffer block 12, one side butt of spring 13 and one side of second backup pad 9, one side of buffer block 12 is articulated with the one end of head rod 8, the round hole with wire rope 5 looks adaptation is offered to the top of head rod 8, the quantity of head rod 8 is a plurality of head rods 8 evenly distributes at the surface of head rod 5.
When the wire rope 5 drives the lifting hook 6 to lift to the top, the first motor 3 stops working, due to inertia factors, the upper side of the second supporting plate 9 butts against the lubrication box 15, meanwhile, the wire rope 5 drives the lifting hook 6 to continue to move upwards, the wire rope 5 drives the first supporting plate 7 to move upwards, the first connecting rod 8 drives the buffer block 12 to move along the second connecting rod 11, the spring 13 is extruded, the impact of the lifting hook 6 due to inertia is absorbed through the spring 13, the lifting hook 6 is buffered, and damage to other components caused by the lifting hook 6 is avoided.
Example 2
Referring to fig. 2 to 4, the present utility model provides the following technical solutions: the utility model provides a portal crane hoisting mechanism, the below fixedly connected with stopper 14 of fixed plate 2, the spacing hole with wire rope 5 looks adaptation has been seted up to the top of stopper 14, the below fixedly connected with lubrication box 15 of stopper 14, one side fixedly connected with second motor 16 of lubrication box 15, the output shaft fixedly connected with tight pulley 17 of second motor 16, the inside wall rotation of lubrication box 15 is connected with auxiliary wheel 18, one side of lubrication box 15 is provided with the switch, the switch passes through wire and is connected with second motor 16 electricity, be provided with conveyer belt 19 between tight pulley 17 and the auxiliary wheel 18, the surface fixedly connected with fixed block 20 of conveyer belt, one side fixedly connected with brush 21 of fixed block 20, the quantity of brush 21 is a plurality of, one side of lubrication box 15 is provided with the oil inlet, the drain port has been seted up to the below of lubrication box 15, the surface of drain port is provided with the sealed lid through threaded connection.
When the steel wire rope 5 needs to be lubricated, the second motor 16 is started, the second motor drives the belt to move through the fixed wheel 17, the fixed block 20 of the belt drives the oil brush 21 to move, the oil brush 21 brings lubricating oil in the lubricating box 15 to the upper part and lubricates the steel wire rope 5, the steel wire rope 5 is prevented from being corroded due to no lubrication for a long time, and the purpose of protecting the steel wire rope 5 is achieved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a bridge portal crane hoisting mechanism, includes walking dolly, its characterized in that: the utility model discloses a walking dolly, including walking dolly, fixed plate, first motor of one side fixedly connected with of fixed plate, the output shaft fixedly connected with rolling section of thick bamboo of first motor, the surface of rolling section of thick bamboo is provided with wire rope, wire rope's one end fixedly connected with lifting hook, wire rope's one end surface fixedly connected with first backup pad that is close to the lifting hook, the top of first backup pad articulates there is the head rod, wire rope's surface is provided with the second backup pad, the below fixedly connected with connecting plate of second backup pad, one side fixedly connected with second connecting rod of connecting plate, the surface sliding connection of second connecting rod has the buffer block, one side fixedly connected with spring of buffer block, one side and one side butt of second backup pad of spring, one side and the one end of head rod of buffer block are articulated.
2. The gantry crane lifting mechanism of claim 1, wherein: the below fixedly connected with stopper of fixed plate, the spacing hole with wire rope looks adaptation has been seted up to the top of stopper, the below fixedly connected with lubrication box of stopper.
3. The gantry crane lifting mechanism of claim 2, wherein: one side fixedly connected with second motor of lubrication box, the output shaft fixedly connected with tight pulley of second motor, the inside wall of lubrication box rotates and is connected with the auxiliary wheel, one side of lubrication box is provided with the switch, the switch passes through the wire and is connected with the second motor electricity.
4. A gantry crane lifting mechanism according to claim 3, characterized in that: the automatic oil brush device is characterized in that a conveyor belt is arranged between the fixed wheel and the auxiliary wheel, a fixed block is fixedly connected to the outer surface of the conveyor belt, oil brushes are fixedly connected to one side of the fixed block, and the number of the oil brushes is multiple.
5. The gantry crane lifting mechanism of claim 4, wherein: an oil inlet is formed in one side of the lubricating box, an oil drain port is formed in the lower portion of the lubricating box, and a sealing cover connected through threads is arranged on the outer surface of the oil drain port.
6. The gantry crane lifting mechanism of claim 1, wherein: the round holes matched with the steel wire ropes are formed in the upper portion of the second supporting plate, the number of the first connecting rods is multiple, and the first connecting rods are uniformly distributed on the outer surfaces of the steel wire ropes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320902765.9U CN220485071U (en) | 2023-04-19 | 2023-04-19 | Lifting mechanism of portal crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320902765.9U CN220485071U (en) | 2023-04-19 | 2023-04-19 | Lifting mechanism of portal crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220485071U true CN220485071U (en) | 2024-02-13 |
Family
ID=89828642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320902765.9U Active CN220485071U (en) | 2023-04-19 | 2023-04-19 | Lifting mechanism of portal crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220485071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118145508A (en) * | 2024-05-09 | 2024-06-07 | 河南中标起重机械有限公司 | Crane for building engineering construction |
-
2023
- 2023-04-19 CN CN202320902765.9U patent/CN220485071U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118145508A (en) * | 2024-05-09 | 2024-06-07 | 河南中标起重机械有限公司 | Crane for building engineering construction |
| CN118145508B (en) * | 2024-05-09 | 2024-07-19 | 河南中标起重机械有限公司 | Crane for building engineering construction |
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