CN212374712U - Tower crane loose pulley assembly hoist - Google Patents
Tower crane loose pulley assembly hoist Download PDFInfo
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- CN212374712U CN212374712U CN202020130052.1U CN202020130052U CN212374712U CN 212374712 U CN212374712 U CN 212374712U CN 202020130052 U CN202020130052 U CN 202020130052U CN 212374712 U CN212374712 U CN 212374712U
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- pulley
- wheel carrier
- tower crane
- side plates
- rod
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Abstract
The utility model discloses a pulley component lifting appliance of a tower crane, which comprises a wheel carrier, wherein the wheel carrier is provided with an integral structure, the upper end of the wheel carrier is bent to be n-shaped, a pulley block is movably sleeved in the wheel carrier through a shaft, a special-shaped plate is arranged at the lower side of a middle pulley of the pulley block, and the lower end of the wheel carrier is connected with the upper end of a side plate of the lifting appliance through a symmetrically arranged adapter plate; the pulley block-free lifting device has the advantages of being simple in structure, reasonable in design, novel and unique in thought, capable of preventing the steel wire rope from being separated from the groove of the pulley in the lifting process through the pulley block, capable of increasing lifting weight through the pulley block, capable of rotating the lifting appliance through the adapter plate, convenient to hold and connect goods, and meanwhile matched with the movable symmetrical hook body to hook the goods and enable the goods not to fall off easily.
Description
Technical Field
The utility model relates to a hoisting machinery technical field especially relates to a tower crane loose pulley assembly hoist.
Background
The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. In general terms, it is a machine that lifts heavy objects.
The lifting hook mostly enables goods to be lifted through a sling, namely a steel wire rope, the steel wire rope slides on a pulley of the lifting appliance under the action of pulling force of the traction mechanism, the steel wire rope can be separated from the pulley and clamped sometimes, the steel wire rope can be wound at the beginning sometimes, and inconvenience is brought to lifting of the goods.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tower crane loose pulley assembly hoist to current problem.
The utility model discloses a realize through following technical scheme: a pulley component lifting appliance of a tower crane comprises a wheel carrier, wherein the wheel carrier is arranged into an integral structure, the upper end of the wheel carrier is bent into an n shape, a pulley block is movably sleeved in the wheel carrier through a shaft, a special-shaped plate is arranged on the lower side of a middle pulley of the pulley block, and the lower end of the wheel carrier is connected with the upper end of a side plate of a lifting appliance body through a symmetrically arranged adapter plate;
the lifting appliance body comprises side plates and lifting hooks, the side plates are symmetrically arranged at two ends of the shaft rod, the shaft rod is sleeved with the rollers and located between the upper portions of the side plates, the end of the shaft rod penetrates through the side plates and is fixed to the upper portions of the side plates through nuts, a cross rod is arranged between the lower portions of the side plates and is fixed to the lower portions of the side plates through nuts, bosses are symmetrically arranged in the middle of the cross rod between the lower portions of the side plates, through holes are formed in the bosses, rotating rods of the lifting hooks are movably sleeved in the through holes, and the ends of the rotating rods.
As a further improvement of the scheme, the pulley block comprises a middle pulley and side pulleys, the middle pulley and the side pulleys are movably connected in the wheel frame through shafts, the middle pulley is arranged in the middle of the wheel frame, the side pulleys are symmetrically arranged on two sides of the wheel frame, and the axial leads of the middle pulley and the side pulleys are positioned on the same horizontal plane.
As a further improvement to the above scheme, the pulley block comprises a middle pulley and side pulleys, the middle pulley and the side pulleys are movably connected in the wheel frame through shafts, the middle pulley is installed in the middle of the wheel frame, the side pulleys are symmetrically installed on two sides of the wheel frame, and the axial leads of the middle pulley and the side pulleys are located on different planes.
As a further improvement to the above scheme, the shaft axis of the middle pulley is lower than that of the side pulleys.
As a further improvement to the scheme, the cable holes are symmetrically arranged on the special-shaped plate.
As a further improvement to the scheme, the upper end and the lower end of the adapter plate are respectively connected with the lower end of the wheel carrier and the upper end of the side plate through pin rods.
As a further improvement to the above scheme, the lower end of the rotating rod of the lifting hook is provided with an end rod with a diameter larger than that of the rotating rod, and hook bodies are symmetrically arranged on two sides of the end rod.
As a further improvement of the scheme, the steel wire ropes are respectively led in from the middle pulley and the side sliding wheel on one side, then pass through the rope holes on the same side, then pass through the drum and the other rope hole of the special-shaped plate, finally the steel wire ropes are led out from the pulley and the side sliding wheel on the other side, and the lifting ropes for clamping goods are hung on the lifting hooks.
As a further improvement of the scheme, the steel wire ropes are respectively wound around the outer side of the side sliding wheel on one side, pass through the middle pulley and the side sliding wheel on the side, pass through the upper part of the middle pulley and upwards pass through the middle pulley and the side sliding wheel on the other side to form pulley block traction, and the lifting rope for clamping and hanging goods is arranged on the lifting hook.
Compared with the prior art, the utility model has the following advantages: the pulley block has the advantages of simple structure, reasonable design, novel and unique thought, through the pulley block threading of the steel wire rope, the groove that the steel wire rope breaks away from the pulley in the lifting process can be prevented, the lifting weight can be increased by the aid of the pulley block, the lifting appliance can be rotated through the adapter plate in addition, the goods are conveniently held and connected, meanwhile, the goods are hung on the hook body in the movable symmetry mode in a matching mode and are not easy to fall off, and the steel wire rope passes through the roller on the shaft rod behind the special-shaped plate and.
Drawings
Fig. 1 is a schematic structural diagram of the first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the second embodiment of the present invention.
Fig. 3 is a schematic structural diagram of the spreader.
Fig. 4 is a schematic structural view of the hook.
Fig. 5 is a schematic structural view of a first winding pulley block of the steel wire rope.
Fig. 6 is a schematic structural view of a second type of winding pulley block of the steel wire rope.
Fig. 7 is a schematic structural view of a lifting rope for hooking a cargo/heavy object by a hook body.
Detailed Description
The invention will be further described with reference to the accompanying drawings, as shown in fig. 1-7.
Example 1
A pulley component lifting appliance of a tower crane comprises a wheel carrier 1, wherein the wheel carrier 1 is arranged into an integral structure, the upper end of the wheel carrier is bent into an n shape, a pulley block is movably sleeved in the wheel carrier through a shaft 2, a special-shaped plate 6 is arranged on the lower side of a middle pulley 5 of the pulley block, and the lower end of the wheel carrier 1 is connected with the upper end of a side plate 10 of a lifting appliance body through a symmetrically arranged adapter plate 8;
the lifting appliance body comprises side plates 10 and lifting hooks 13, the side plates 10 are symmetrically arranged at two ends of a shaft rod 11, rollers 15 are sleeved on the shaft rod 11 and located between the upper portions of the side plates 10, the end of the shaft rod 11 penetrates through the side plates 10 and is fixed to the upper portions of the side plates 10 through nuts, a cross rod 12 is arranged between the lower portions of the side plates 10 and is fixed to the lower portions of the side plates 10 through nuts, bosses are symmetrically arranged in the middle of the cross rod 12 between the lower portions of the side plates 10, through holes are formed in the bosses, rotating rods 18 of the lifting hooks 13 are movably sleeved in the through holes, and the ends of the rotating rods 18 are matched and fastened.
As the further improvement to above-mentioned scheme, the assembly pulley include well pulley 5 and sideslip wheel 2, well pulley 5 and side pulley 2 all through axle swing joint in wheel carrier 1, and well pulley 5 installs in the centre of wheel carrier 1, and side pulley 2 symmetry is installed in the both sides of wheel carrier 1, and well pulley 5 is located the coplanar with the axial lead of sideslip wheel 2, the tip of axle 3 passes through jump ring 4 joint.
As a further improvement to the scheme, the shaft axis of the middle pulley 5 is lower than that of the side pulleys 2.
As a further improvement to the above solution, the profiled sheet 6 is symmetrically provided with cable holes 7.
As a further improvement to the above solution, the upper end and the lower end of the adapter plate 8 are respectively connected with the lower end of the wheel carrier 1 and the upper end of the side plate 10 through pin rods 9.
As a further improvement to the above scheme, the lower end of the rotating rod 18 of the lifting hook 13 is provided with an end rod with a diameter larger than that of the rotating rod 18, and hook bodies 13 are symmetrically arranged on two sides of the end rod 17.
As a further improvement of the scheme, the steel wire ropes respectively pass through the outer side of the side sliding wheel 2 on one side, pass through the space between the side sliding wheel 2 on the side and the middle pulley 5, pass through the upper part of the middle pulley 5, and pass through the space between the middle pulley 5 and the side sliding wheel 2 on the other side upwards to form pulley block traction, and the lifting rope 20 for clamping and hanging goods is arranged on the lifting hook 13.
Example 2
A pulley component lifting appliance of a tower crane comprises a wheel carrier 1, wherein the wheel carrier 1 is arranged into an integral structure, the upper end of the wheel carrier is bent into an n shape, a pulley block is movably sleeved in the wheel carrier through a shaft 2, a special-shaped plate 6 is arranged on the lower side of a middle pulley 5 of the pulley block, and the lower end of the wheel carrier 1 is connected with the upper end of a side plate 10 of a lifting appliance body through a symmetrically arranged adapter plate 8;
the lifting appliance body comprises side plates 10 and lifting hooks 13, the side plates 10 are symmetrically arranged at two ends of a shaft rod 11, rollers 15 are sleeved on the shaft rod 11 and located between the upper portions of the side plates 10, the end of the shaft rod 11 penetrates through the side plates 10 and is fixed to the upper portions of the side plates 10 through nuts, a cross rod 12 is arranged between the lower portions of the side plates 10 and is fixed to the lower portions of the side plates 10 through nuts, bosses are symmetrically arranged in the middle of the cross rod 12 between the lower portions of the side plates 10, through holes are formed in the bosses, rotating rods 18 of the lifting hooks 13 are movably sleeved in the through holes, and the ends of the rotating rods 18 are matched and fastened.
As the further improvement to above-mentioned scheme, the assembly pulley include well pulley 5 and sideslip wheel 2, well pulley 5 and side pulley 2 all through axle 3 swing joint in wheel carrier 1, and well pulley 5 installs in the centre of wheel carrier 1, and side pulley 2 symmetry is installed in the both sides of wheel carrier 1, and well pulley 5 is located same horizontal plane with the axial lead of sideslip wheel 2, the tip of axle 3 passes through jump ring 4 joint.
As a further improvement to the scheme, the shaft axis of the middle pulley 5 is lower than that of the side pulleys 2.
As a further improvement to the above solution, the profiled sheet 6 is symmetrically provided with cable holes 7.
As a further improvement to the above solution, the upper end and the lower end of the adapter plate 8 are respectively connected with the lower end of the wheel carrier 1 and the upper end of the side plate 10 through pin rods 9.
As a further improvement to the above scheme, the lower end of the rotating rod 18 of the lifting hook 13 is provided with an end rod with a diameter larger than that of the rotating rod 18, and hook bodies 13 are symmetrically arranged on two sides of the end rod.
As a further improvement of the scheme, the steel wire ropes are respectively led in between the middle pulley 5 and the side sliding wheel 2 at one side, then pass through the rope holes 7 at the same side, then pass through the roller 15 and the other rope hole 7 of the special-shaped plate 6, finally the steel wire ropes are led out between the pulleys and the side sliding wheel 2 at the other side, and the lifting ropes 20 of goods are clamped on the lifting hooks 13.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A pulley component lifting appliance of a tower crane comprises a wheel carrier, and is characterized in that the wheel carrier is arranged into an integral structure, the upper end of the wheel carrier is bent into an n shape, a pulley block is movably sleeved in the wheel carrier through a shaft, a special-shaped plate is arranged on the lower side of a middle pulley of the pulley block, and the lower end of the wheel carrier is connected with the upper end of a side plate of a lifting appliance body through symmetrically arranged adapter plates;
the lifting appliance body comprises side plates and lifting hooks, the side plates are symmetrically arranged at two ends of the shaft rod, the shaft rod is sleeved with the rollers and located between the upper portions of the side plates, the end of the shaft rod penetrates through the side plates and is fixed to the upper portions of the side plates through nuts, a cross rod is arranged between the lower portions of the side plates and is fixed to the lower portions of the side plates through nuts, bosses are symmetrically arranged in the middle of the cross rod between the lower portions of the side plates, through holes are formed in the bosses, rotating rods of the lifting hooks are movably sleeved in the through holes, and the ends of the rotating rods.
2. The pulley assembly hanger of the tower crane according to claim 1, wherein the pulley block comprises a middle pulley and side pulleys, the middle pulley and the side pulleys are movably connected in the wheel frame through shafts, the middle pulley is installed in the middle of the wheel frame, the side pulleys are symmetrically installed on two sides of the wheel frame, and the axial leads of the middle pulley and the side pulleys are located on the same horizontal plane.
3. The pulley assembly hanger of the tower crane according to claim 1, wherein the pulley block comprises a middle pulley and a side pulley, the middle pulley and the side pulley are movably connected in the wheel frame through a shaft, the middle pulley is installed in the middle of the wheel frame, the side pulleys are symmetrically installed on two sides of the wheel frame, and axial leads of the middle pulley and the side pulleys are located on different planes.
4. The tower crane sheave assembly spreader of claim 3, wherein the center sheave has a lower axis than the side sheaves.
5. The pulley assembly spreader of a tower crane according to claim 1, wherein cable holes are symmetrically formed on the profiled plate.
6. The pulley assembly sling of a tower crane according to claim 1, wherein the upper end and the lower end of the adapter plate are respectively connected with the lower end of the wheel frame and the upper end of the side plate through pin rods.
7. The pulley assembly sling of tower crane according to claim 1, wherein the lower end of the rotating rod of the hook is provided with an end rod with a diameter larger than that of the rotating rod, and hooks are symmetrically arranged on two sides of the end rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020130052.1U CN212374712U (en) | 2020-01-20 | 2020-01-20 | Tower crane loose pulley assembly hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020130052.1U CN212374712U (en) | 2020-01-20 | 2020-01-20 | Tower crane loose pulley assembly hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212374712U true CN212374712U (en) | 2021-01-19 |
Family
ID=74157063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020130052.1U Active CN212374712U (en) | 2020-01-20 | 2020-01-20 | Tower crane loose pulley assembly hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212374712U (en) |
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2020
- 2020-01-20 CN CN202020130052.1U patent/CN212374712U/en active Active
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