CN221051428U - Amplitude-variable steel wire rope device - Google Patents
Amplitude-variable steel wire rope device Download PDFInfo
- Publication number
- CN221051428U CN221051428U CN202322825639.0U CN202322825639U CN221051428U CN 221051428 U CN221051428 U CN 221051428U CN 202322825639 U CN202322825639 U CN 202322825639U CN 221051428 U CN221051428 U CN 221051428U
- Authority
- CN
- China
- Prior art keywords
- wire rope
- steel wire
- amplitude
- pulley
- pulleys
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 89
- 239000010959 steel Substances 0.000 title claims abstract description 89
- 239000000725 suspension Substances 0.000 claims abstract description 24
- 239000004744 fabric Substances 0.000 claims 3
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The utility model provides a variable amplitude steel wire rope device which comprises a steel wire rope, two variable amplitude winch, two variable amplitude pulley blocks and a steel wire rope connecting device, wherein the steel wire rope connecting device is arranged between the two variable amplitude pulley blocks, the variable amplitude winch is arranged on a rotary platform, the variable amplitude pulley blocks comprise a first variable amplitude pulley frame and a second variable amplitude pulley frame, the first variable amplitude pulley frame is arranged at the head part of a suspension arm, the second variable amplitude pulley frame is arranged on a tripod, one end of the steel wire rope is connected to the variable amplitude winch, and the other end of the steel wire rope bypasses the variable amplitude pulley frames and is fixedly connected with the steel wire rope connecting device, so that acting forces in the steel wire ropes with different variable amplitude are identical, and the stability is good.
Description
Technical Field
The utility model relates to the technical field of crane steel wire ropes, in particular to a variable amplitude steel wire rope device.
Background
With the development of social industry, the amplitude form of a crane mainly comprises a hydraulic cylinder amplitude form and a steel wire rope amplitude form, for a part amplitude structure, the crane boom is easy to bear the weight of the crane boom, the middle is easy to bear a large bending moment, the stability of the crane boom is not facilitated, in order to overcome the technical problem, for example, patent document with the publication date 2015.05.20 in China is published with the number 201420771145.7, an amplitude winch of an ocean platform crane steel wire rope amplitude system comprises an amplitude winch arranged on a portal frame and a pulley block arranged at the top of the portal frame, in addition, a boom middle hanging point A and a boom head hanging point B are respectively arranged at the middle and the head part of the crane boom, and the amplitude steel wire rope is led out from the amplitude winch, passes through the pulley block and the rope hanger and is fixed at the dead rope end at the top of the portal frame; two suspension ropes are led out from the suspension rope device, one end of each suspension rope is fixed with a suspension arm middle suspension point A, and the other end of each suspension rope is fixed with a suspension arm head suspension point B.
In the document, a group of hanging points are respectively arranged at the head part and the central part of a suspension arm, two ends of a suspension rope are respectively fixed on the two groups of hanging points, the suspension rope passes through a balance pulley block of a suspension rope device, and a luffing pulley block of the suspension rope device is connected with a top pulley block of a portal through a luffing steel wire rope, so that the stress of the suspension arm at the horizontal position or the central part of the suspension arm when the luffing angle is smaller is improved; however, if the double luffing winches act on the suspension arm at the same time, the output power between the double luffing winches is different, so that the steel wire ropes can luffing differently, and the acting force of different steel wire ropes on the suspension arm cannot be met by only setting different suspension points on the suspension arm, so that the acting force in the steel wire ropes with different luffing is different, the suspension arm is easy to damage to different degrees, and the service life is reduced.
Disclosure of utility model
The utility model aims to provide a variable-amplitude steel wire rope device which can enable acting forces in steel wires with different variable amplitudes to be the same and has good stability.
In order to achieve the above purpose, the variable amplitude steel wire rope device comprises two steel wire ropes, two variable amplitude winch, two variable amplitude pulley blocks and a steel wire rope connecting device, wherein the steel wire rope connecting device is arranged between the two variable amplitude pulley blocks, the variable amplitude winch is arranged on a rotary platform, the variable amplitude pulley block comprises a first variable amplitude pulley frame and a second variable amplitude pulley frame, the first variable amplitude pulley frame is arranged at the head of a suspension arm, the second variable amplitude pulley frame is arranged on a tripod, the first variable amplitude pulley frame comprises more than two first pulleys and second pulleys, the second variable amplitude pulley frame comprises a third pulley, one end of one steel wire rope is connected to one variable amplitude winch, the other end of the one steel wire rope bypasses the first pulleys and the third pulleys after being discharged, then is fixedly connected with one end of the steel wire rope connecting device through the second pulleys, one end of the other steel wire rope is connected to the other winch, the other end of the other steel wire rope bypasses the first pulleys and the third pulleys after being discharged, and then is fixedly connected with the other end of the steel wire rope connecting device through the second pulleys.
According to the arrangement, the amplitude winch is arranged on the rotary platform, and one end of the steel wire rope is connected with the amplitude winch, so that the steel wire rope can have different amplitude through the output of the amplitude winch; in addition, the other ends of the steel wire ropes are fixedly connected with the steel wire rope connecting device, so that the steel wire ropes of two different amplitude-variable winches are respectively and fixedly connected with the steel wire rope connecting device by bypassing the amplitude-variable pulley block, further, the different steel wire ropes are connected into a whole through the steel wire rope connecting device, acting forces in the steel wire ropes with different amplitude amplitudes are the same, and the steel wire ropes with different amplitude amplitudes are connected into a whole through the steel wire rope connecting device after being wound around the amplitude-variable pulley block, so that the stability is better.
Further, the first amplitude pulley frame and the second amplitude pulley frame are arranged in parallel relatively.
Above set up, be convenient for wire rope twines.
Further, the first amplitude pulley frame comprises a first pulley and a second pulley, wherein the first pulley is provided with more than two pulleys and is horizontally arranged side by side, and the second pulley is arranged below the first pulley and is vertically arranged with the first pulley.
The device is convenient for the steel wire rope to bypass the first pulley in the first amplitude pulley frame, then pass through the second amplitude pulley frame and finally realize fixed clamping with the steel wire rope connecting device through the second pulley in the first amplitude pulley frame.
Further, the steel wire rope connecting device comprises two wedge-shaped connectors and two connecting pieces, wherein the two wedge-shaped connectors are positioned on the same horizontal axis and are oppositely arranged, and the two wedge-shaped connectors are respectively clamped with two ends of the connecting pieces.
The above arrangement facilitates the connection of two oppositely arranged wedge-shaped joints by the connecting piece.
Further, the one end that the wedge connects is the wedge setting, the other end that the wedge connects is equipped with two bulge, and two bulge parallel relative settings are in the both sides of the wedge connects the other end, and the bulge includes gasket and card lug, the one end of card lug with gasket fixed connection, the other end of card lug outwards extends the setting.
Above setting can make wire rope's one end pass behind the wedge joint like this and tie up to make wire rope can not the slippage wedge joint, can be convenient for wedge joint and connecting piece carry out the joint simultaneously.
Further, bayonet sockets matched with the card convex blocks are arranged at two ends of the connecting piece, and the bayonet sockets are sleeved on the card convex blocks to realize clamping.
The above arrangement facilitates the connection of the connecting piece to the two wedge-shaped connectors through the bayonet, so that the two wedge-shaped connectors are connected into a whole.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic structural view of a wire rope connection device according to the present utility model.
Fig. 3 is a cross-sectional view of a wire rope connection means in the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the detailed description.
As shown in fig. 1 to 3, an amplitude steel wire rope device comprises a steel wire rope, two amplitude winch 1, two amplitude pulley blocks and a steel wire rope connecting device 2, wherein the steel wire rope connecting device 2 is arranged between the two amplitude pulley blocks, in the embodiment, proximity switches (not shown in the drawing) are arranged at two sides of the steel wire rope connecting device 2, and the proximity switches are arranged between the amplitude pulley blocks and the steel wire rope connecting device 2, so that the horizontal movement of the steel wire rope connecting device 2 is limited by the proximity switches, the phenomenon that the steel wire rope is unidirectionally moved leftwards or rightwards after being integrally connected by the steel wire rope connecting device 2, so that the amplitude of the steel wire rope is uneven due to the fact that the steel wire rope is only deviated to one side is prevented, the luffing winch 1 is fixedly arranged on a rotary platform (not shown in the figure), the luffing pulley block comprises a first luffing pulley frame 31 and a second luffing pulley frame 32, the first luffing pulley frame 31 is fixedly arranged at the head of a suspension arm (not shown in the figure), the second luffing pulley frame 32 is fixedly arranged on a tripod (not shown in the figure), the first luffing pulley frame 31 and the second luffing pulley frame 32 are relatively parallel, so that the steel wire rope is convenient to wind later, the first luffing pulley frame 31 comprises a first pulley and a second pulley 312 311, in the embodiment, the first pulley 311 is provided with 6 pulleys which are horizontally and coaxially arranged side by side, the second pulley 312 is arranged as 1 pulley and is positioned at the bottom of the first pulley 311, meanwhile, the second pulley 312 is vertically arranged with the first pulley 311, so that the steel wire rope is convenient to wind around the second luffing pulley frame 32, the second pulley 312 is connected to one end of the wire rope connecting means 2, and in this embodiment, the second amplitude pulley frame 32 includes 6 third pulleys 321, and the third pulleys 321 are coaxially arranged side by side horizontally.
In this embodiment, the wire rope connecting device 2 includes two wedge joints 21 and two connecting pieces 22, two wedge joints 21 set up relatively, just two wedge joints 21 are in on the same horizontal axis, the one end of wedge joint 21 is the wedge setting, the other end of wedge joint 21 is equipped with two bulge 211, in this embodiment, the inside of wedge joint 21 sets up to hollow structure, so be convenient for wire rope pass wedge joint 21 and through tying knots with wire rope to make wire rope unable slippage wedge joint 21, two bulge 211 parallel relative arrangement are in the both sides of wedge joint 21 other end, in this embodiment, two bulge 211 coaxial arrangement, bulge 211 includes gasket 4 and card lug 5, gasket 4 is fixed the outside of wedge joint 21 other end, the one end of card lug 5 with gasket 4 fixed connection, the other end of card lug 5 outwards extend and with gasket 4 sets up perpendicularly, the both ends of connecting piece 22 are equipped with card lug 5 and tie-in knots, thereby make wire rope unable slippage wedge joint 21, thereby realize that the bayonet joint is connected with two bayonet socket 21 is connected with two bayonet socket 221 on two bayonet joint 21 respectively to realize that two bayonet joint 21 are convenient for the realization.
In this embodiment, the number of the steel wire ropes is 2, one end of one steel wire rope 6 is connected and wound on one amplitude winch, the other end of one steel wire rope 6 bypasses the amplitude pulley frame and finally passes through the second pulley 312 to be connected with one end of the steel wire rope connecting device 2 in a clamping manner, one end of the other steel wire rope 7 is connected and wound on the other amplitude winch, the other end of the other steel wire rope 7 bypasses the amplitude pulley frame and finally passes through the second pulley 312 to be connected with the other end of the steel wire rope connecting device 2 in a clamping manner, and one steel wire rope 6 is connected with the other steel wire rope 7 through the steel wire rope connecting device 2 to form a whole.
The working principle of the utility model is as follows: the two wedge-shaped connectors 21 are clamped through the connecting piece 22 to form an integral steel wire rope connecting device 2, then one end of one steel wire rope 6 is connected and wound on one amplitude winch, the other end of the one steel wire rope 6 bypasses an amplitude pulley frame and one end of the steel wire rope connecting device 2 to achieve clamping connection, one end of the other steel wire rope 7 is connected and wound on the other amplitude winch, the other end of the other steel wire rope 7 bypasses the amplitude pulley frame and the other end of the steel wire rope connecting device 2 to achieve clamping connection, so that acting forces in two steel wire ropes with different amplitudes are the same, the two steel wire ropes with different amplitudes are connected through the steel wire rope connecting device 2 after being wound on an amplitude pulley block to form an integral stability, and meanwhile, proximity switches (not marked in the drawing) are arranged on two sides of the steel wire rope connecting device 2, so that the steel wire ropes can be prevented from moving leftwards or rightwards in a unidirectional mode, and the steel wire ropes are only deviated to one side to cause the amplitude of the steel wire ropes to be uneven.
Claims (6)
1. The utility model provides a become width of cloth wire rope device, includes two wire ropes, two become width of cloth winches, two become width of cloth assembly pulley and wire rope connecting device, its characterized in that: the steel wire rope connecting device is arranged between the two amplitude pulley blocks, the amplitude winch is arranged on the rotary platform, the amplitude pulley blocks comprise a first amplitude pulley frame and a second amplitude pulley frame, the first amplitude pulley frame is arranged at the head of the suspension arm, the second amplitude pulley frame is arranged on the tripod, the first amplitude pulley frame comprises more than two first pulleys and second pulleys, the second amplitude pulley frame comprises a third pulley, one end of one steel wire rope is connected to one amplitude winch, the other end of the one steel wire rope bypasses the first pulleys and the third pulleys after being out of the rope, then is fixedly connected with one end of the steel wire rope connecting device through the second pulley, one end of the other steel wire rope is connected to the other amplitude winch, and bypasses the first pulleys and the third pulleys after being out of the rope, and then is fixedly connected with the other end of the steel wire rope through the second pulley.
2. A luffing wireline assembly according to claim 1, wherein: the first amplitude pulley frame and the second amplitude pulley frame are relatively parallel.
3. A luffing wireline assembly according to claim 2, wherein: the first pulleys are horizontally arranged side by side, and the second pulleys are arranged below the first pulleys and are perpendicular to the first pulleys.
4. A luffing wireline assembly according to claim 1, wherein: the steel wire rope connecting device comprises two wedge-shaped connectors and two connecting pieces, wherein the two wedge-shaped connectors are positioned on the same horizontal axis and are oppositely arranged, and the two wedge-shaped connectors are respectively clamped with two ends of the connecting pieces.
5. A luffing wireline assembly according to claim 4, wherein: the one end that wedge connects is the wedge setting, the other end that wedge connects is equipped with two bulge, and two bulge parallel relative settings are in the both sides of wedge connects the other end, and the bulge includes gasket and card lug, the one end of card lug with gasket fixed connection, the other end of card lug outwards extends the setting.
6. A luffing wireline assembly according to claim 4, wherein: the two ends of the connecting piece are provided with bayonets matched with the card convex blocks, and the bayonets are sleeved on the card convex blocks to realize clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322825639.0U CN221051428U (en) | 2023-10-20 | 2023-10-20 | Amplitude-variable steel wire rope device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322825639.0U CN221051428U (en) | 2023-10-20 | 2023-10-20 | Amplitude-variable steel wire rope device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221051428U true CN221051428U (en) | 2024-05-31 |
Family
ID=91206796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322825639.0U Active CN221051428U (en) | 2023-10-20 | 2023-10-20 | Amplitude-variable steel wire rope device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221051428U (en) |
-
2023
- 2023-10-20 CN CN202322825639.0U patent/CN221051428U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2016173238A1 (en) | Floating crane and multifunctional suspension hook and multifunctional suspension hook group thereof | |
| CN201746270U (en) | Hoisting mechanism of crane | |
| CN221051428U (en) | Amplitude-variable steel wire rope device | |
| CN202214167U (en) | tower crane with improved structure | |
| CN203558756U (en) | All-directional manual lift crane for ship | |
| CN208982630U (en) | External clamping angle steel fixed pulley | |
| CN109650255B (en) | Hanging weight self-balancing system of swing trolley of tower crane | |
| CN117430039A (en) | Rope system for changing amplitude | |
| CN209974120U (en) | Reinforced hook bridge crane | |
| CN205973449U (en) | Jack -up handling rigging of buffering pulley | |
| CN103663181A (en) | Marine omni-directional manual crane | |
| CN117533971A (en) | Winding method for amplitude variation | |
| CN203439963U (en) | Folding arm crane head winding device | |
| CN209721421U (en) | Tower crane multiplying power conversion equipment | |
| CN201006827Y (en) | Fixed cantilever hoisting gear | |
| CN202897821U (en) | Fixture for baking-free bricks | |
| CN206783092U (en) | A kind of hanger structure of bridge girder erection machine | |
| CN202214168U (en) | High strength material tower crane | |
| CN216377150U (en) | Triangle interlocking formula slope protection piece hoist device | |
| CN218201841U (en) | Novel hoisting device | |
| CN204823907U (en) | Miniature portable removal loop wheel machine | |
| CN219627231U (en) | Light-duty crossing frame | |
| CN216863468U (en) | Boom device and crane | |
| CN210103350U (en) | Pulley type combustion arm retracting device | |
| CN221027331U (en) | Tower type combined lifter for building |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |