CN220866967U - Hoisting device - Google Patents
Hoisting device Download PDFInfo
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- CN220866967U CN220866967U CN202322755487.1U CN202322755487U CN220866967U CN 220866967 U CN220866967 U CN 220866967U CN 202322755487 U CN202322755487 U CN 202322755487U CN 220866967 U CN220866967 U CN 220866967U
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- pulley
- crane
- lifting
- cable
- pile leg
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- 238000004804 winding Methods 0.000 claims abstract description 11
- 239000000725 suspension Substances 0.000 claims description 28
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Abstract
The utility model provides a hoisting device, which comprises a crane, wherein a main hook cable mechanism is arranged on the crane and comprises a main hook winch, a cable, a pulley block and a lifting hook, wherein the main hook winch is positioned at the bottom end of one side of a crane pile leg far away from a lifting arm, the pulley block is arranged at the top end of the crane pile leg, the bottom end of the other side of the crane pile leg and the lifting arm of the crane, one end of the cable is wound on a winding drum of the main hook winch, and the other end of the cable extends upwards to the top end of the crane pile leg and sequentially penetrates through the pulley block positioned at the top end of the crane pile leg, the pulley block positioned at the bottom end of the crane pile leg and the pulley block positioned at the lifting arm to be connected with the lifting hook; the structure can be used for applying the single winch to the crane, and the single winch cannot be interfered by the pile leg.
Description
Technical Field
The utility model relates to the technical field of crane single winch lifting, in particular to a lifting device.
Background
The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying a weight within a certain range. For a part of heavy cranes, if the tonnage of the lifted goods is too large, the large-tonnage crane is needed to better carry the goods, the large-tonnage crane means that the pile leg of the crane is larger, the width of the suspension arm is smaller relative to the pile leg, and the lifting hook is generally positioned at the tail end of the suspension arm; because the side of the spud leg, on which the suspension arm is arranged, is blocked by the suspension arm, other driving components are difficult to arrange, a winch is required to be arranged on the side of the spud leg, which is far away from the suspension arm, so that the spud leg is convenient to maintain; thus, in the prior art, double winches are typically provided on both sides of the spud leg, so that double cables connect the hooks on both sides of the boom without interference from the spud leg.
If only a single winch is adopted, a single cable is easy to interfere by the spud leg so that the cable cannot extend to the tail end of the suspension arm, and the existing suspension arm is usually lifted in a hydraulic mode, so that the weight of the suspension arm is increased, and the suspension arm cannot be balanced on the spud leg of the crane.
Disclosure of utility model
The utility model provides a lifting device which can apply a single winch to a crane, can not be interfered by a pile leg, and has good stability when the crane boom is lifted.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: the hoisting device comprises a crane, wherein a main hook cable mechanism is arranged on the crane and comprises a main hook winch, a cable, a pulley block and a lifting hook, the main hook winch is positioned at the bottom end of one side of a crane pile leg far away from a lifting arm, the pulley block is arranged at the top end of the crane pile leg, the bottom end of the other side of the crane pile leg and the lifting arm of the crane, one end of the cable is wound on a winding drum of the main hook winch, and the other end of the cable extends upwards to the top end of the crane pile leg and sequentially penetrates through the pulley block positioned at the top end of the crane pile leg, the pulley block positioned at the bottom end of the crane pile leg and the pulley block positioned at the lifting arm of the crane to be connected with the lifting hook; the crane is further provided with a boom lifting mechanism, the boom lifting mechanism comprises a lifting winch and a lifting cable, one end of the boom is hinged to the crane pile leg, the lifting winch is arranged at the bottom end of the crane pile leg, which is far away from the boom, one end of the lifting cable is wound on a winding drum of the lifting winch, and the other end of the lifting cable extends upwards to pass through a lifting pulley arranged at the top end of the crane pile leg to be connected with one end of the boom, which is far away from the crane pile leg.
According to the structure, the other end of the cable upwards extends to pass through the pulley block positioned at the top end of the crane spud leg, the cable passes through the pulley block positioned at the other side of the crane spud leg after winding from one side of the crane spud leg to the other side of the crane spud leg, and then can pass through the pulley block positioned at the other side of the crane spud leg to be connected with the lifting hook, thereby, the cable upwards bypasses the spud leg, and further, the spud leg can not be blocked, and after bypassing the spud leg, the cable downwards extends to pass through the pulley block positioned at the other side of the crane spud leg, so that the cable can extend to the center of the lifting arm while bypassing the spud leg, and deflection force can not occur to the lifting arm by the cable.
Further, the pulley block comprises a first pulley, a second pulley and a third pulley, and the main hook winch is arranged at one side of the crane spud leg far away from the suspension arm; the first pulley is arranged at the top end of the crane pile leg, the second pulley is arranged at one side, close to the suspension arm, of the crane pile leg, the third pulley is arranged at one end, far away from the crane pile leg, of the suspension arm, one end of the cable is wound on a winding drum of the main hook winch, the other end of the cable extends upwards to penetrate through the first pulley at the top end of the crane pile leg, then extends downwards and penetrates through the second pulley to extend towards the tail end of the suspension arm and penetrates through the third pulley, and a lifting hook is arranged at the other end of the cable. Through setting up the assembly pulley for can make things convenient for the hawser to walk around spud leg and connect the lifting hook.
Further, a fourth pulley is arranged at the tail end of the suspension arm, the other end of the cable penetrates through the fourth pulley and extends downwards, a force measuring pulley is arranged on the suspension arm between the fourth pulley and the third pulley, and the tension of the cable is detected through the force measuring pulley, so that the cable is conveniently controlled.
Further, the fourth pulley is arranged obliquely relative to the third pulley, and the force measuring pulley is arranged obliquely relative to the third pulley, so that the force measuring pulley is arranged.
Drawings
Fig. 1 is a front view of the crane of the present utility model.
Fig. 2 is a top view of the spud leg of the utility model.
Fig. 3 is a top view of the boom of 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, a hoisting device comprises a crane 1, a main hook cable mechanism is arranged on the crane 1, the main hook cable mechanism comprises a main hook winch 21, a cable 22, a pulley block and a lifting hook 23, the main hook winch 21 is positioned at the bottom end of one side of a pile leg 11 of the crane 1 far away from a suspension arm 12, the pulley block is arranged at the top end of the pile leg 11 of the crane, the bottom end of the other side of the pile leg 11 of the crane and the suspension arm 12 of the crane 1, one end of the cable 22 is wound on a winding drum of the main hook winch 21, and the other end of the cable 22 extends upwards to the top end of the pile leg 11 of the crane and sequentially penetrates through the pulley block positioned at the top end of the pile leg 11 of the crane, the pulley block positioned at the bottom end of the pile leg 11 of the crane and the pulley block positioned at the suspension arm 12 to connect the lifting hook 23.
As shown in fig. 1 to 3, the pulley block comprises a first pulley 24, a second pulley 25 and a third pulley 26, and the main hook winch is arranged on one side of the crane spud leg 11 far from the suspension arm 12; the first pulley 24 is arranged at the top end of the crane pile leg 11, the second pulley 25 is arranged at one side of the crane pile leg 11 close to the suspension arm 12, the third pulley 26 is arranged at one end of the suspension arm 12 far away from the crane pile leg 11, one end of the cable 22 is wound on a winding drum of the main hook winch 21, the other end of the cable 22 extends upwards, extends downwards after passing through the first pulley 24 at the top end of the crane pile leg 11, extends backwards after passing through the second pulley 25, passes through the tail end of the suspension arm 12 and passes through the third pulley 26, and the other end of the cable 22 is provided with a lifting hook 24. Through setting up the assembly pulley for can make things convenient for the hawser to walk around spud leg and connect the lifting hook.
As shown in fig. 1 to 3, a fourth pulley 27 is provided at the end of the boom 12, the other end of the cable 22 passes through the fourth pulley 27 and extends downward, a force measuring pulley 28 is provided on the boom between the fourth pulley 27 and the third pulley 26, and the tension of the cable 22 is detected by providing the force measuring pulley 28, thereby facilitating control of the cable 22.
The fourth pulley 27 is inclined with respect to the third pulley 26, and the force measuring pulley 28 is inclined with respect to the third pulley 26, so that the cable can conveniently pass through the fourth pulley 27 due to the fact that the fourth pulley 27 is positioned at the tail end of the boom 12 and the tail end of the boom 12 is inclined inwards at the end of the boom 12 connected with the spud leg platform.
As shown in fig. 1 and 2, a boom lifting mechanism is further arranged on the crane 1, the boom lifting mechanism comprises a lifting winch 41 and a lifting cable 42, one end of the boom 12 is hinged on the crane pile leg 11, the lifting winch 41 is arranged at the bottom end of the crane pile leg 11, one end of the lifting cable 42 is wound on a winding drum of the lifting winch 41, and the other end of the lifting cable 42 extends upwards to pass through a lifting pulley 43 arranged at the top end of the crane pile leg 11 to be connected with one end of the boom 12 far away from the crane pile leg 11. The lifting winch 41 is used for retracting or loosening the lifting cable, so that the lifting arm 12 can be controlled to swing in lifting or descending, and the structure is simple and effective.
The working principle of the utility model is as follows: the other end of the cable 22 extends upwards through the pulley block positioned at the top end of the crane pile leg 11, so that the cable 22 passes through the pulley block positioned at the other side of the crane pile leg 11 after passing from one side of the crane pile leg 11 to the other side of the crane pile leg 11, and can be connected with the lifting hook 23 through the pulley block positioned at the other side of the crane pile leg 11, thereby, the cable 22 upwards bypasses the pile leg 11, so that the pile leg 11 cannot block the cable 22, and after bypassing the pile leg 11, the cable 22 downwards extends through the pulley block positioned at the other side of the crane pile leg 11, so that the cable 11 can extend towards the center of the lifting arm 12 while bypassing the pile leg, so that no deflection force occurs to the lifting arm 12 by the cable 22.
Claims (4)
1. The utility model provides a hoisting accessory, includes the loop wheel machine, is equipped with main hook cable mechanism on the loop wheel machine, its characterized in that: the main hook cable mechanism comprises a main hook winch, a cable, a pulley block and a lifting hook, wherein the main hook winch is positioned at the bottom end of one side of a crane pile leg far away from the lifting arm, the pulley block is arranged at the top end of the crane pile leg, the bottom end of the other side of the crane pile leg and the lifting arm of the crane, one end of the cable is wound on a winding drum of the main hook winch, and the other end of the cable extends upwards to the top end of the crane pile leg and sequentially passes through the pulley block positioned at the top end of the crane pile leg, the pulley block positioned at the bottom end of the crane pile leg and the pulley block positioned at the lifting arm of the crane to be connected with the lifting hook; the crane is further provided with a boom lifting mechanism, the boom lifting mechanism comprises a lifting winch and a lifting cable, one end of the boom is hinged to the crane pile leg, the lifting winch is arranged at the bottom end of the crane pile leg, which is far away from the boom, one end of the lifting cable is wound on a winding drum of the lifting winch, and the other end of the lifting cable extends upwards to pass through a lifting pulley arranged at the top end of the crane pile leg to be connected with one end of the boom, which is far away from the crane pile leg.
2. A lifting device according to claim 1, characterized in that: the pulley block comprises a first pulley, a second pulley and a third pulley, and the main hook winch is arranged at one side of the crane spud leg far away from the suspension arm; the first pulley is arranged at the top end of the crane pile leg, the second pulley is arranged at one side, close to the suspension arm, of the crane pile leg, the third pulley is arranged at one end, far away from the crane pile leg, of the suspension arm, one end of the cable is wound on a winding drum of the main hook winch, the other end of the cable extends upwards to penetrate through the first pulley at the top end of the crane pile leg, then extends downwards and penetrates through the second pulley to extend towards the tail end of the suspension arm and penetrates through the third pulley, and a lifting hook is arranged at the other end of the cable.
3. A lifting device according to claim 2, characterized in that: the tail end of the suspension arm is provided with a fourth pulley, the other end of the cable penetrates through the fourth pulley and extends downwards, and a force measuring pulley is arranged on the suspension arm between the fourth pulley and the third pulley.
4. A lifting device according to claim 3, wherein: the fourth pulley is obliquely arranged relative to the third pulley, and the force measuring pulley is obliquely arranged relative to the third pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322755487.1U CN220866967U (en) | 2023-10-14 | 2023-10-14 | Hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322755487.1U CN220866967U (en) | 2023-10-14 | 2023-10-14 | Hoisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220866967U true CN220866967U (en) | 2024-04-30 |
Family
ID=90810455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322755487.1U Active CN220866967U (en) | 2023-10-14 | 2023-10-14 | Hoisting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220866967U (en) |
-
2023
- 2023-10-14 CN CN202322755487.1U patent/CN220866967U/en active Active
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