CN218560935U - Eight-time-rate hoisting mechanism of tower crane - Google Patents
Eight-time-rate hoisting mechanism of tower crane Download PDFInfo
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- CN218560935U CN218560935U CN202222661878.2U CN202222661878U CN218560935U CN 218560935 U CN218560935 U CN 218560935U CN 202222661878 U CN202222661878 U CN 202222661878U CN 218560935 U CN218560935 U CN 218560935U
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Abstract
The utility model relates to the technical field of tower crane equipment, and provides an eight-time hoisting mechanism of a tower crane, which comprises an eight-time pulley block, a first rope, a first motor, a second motor and a hook mechanism, wherein the eight-time pulley block, the first rope, the first motor and the second motor are composed of the traveling mechanism and the hook mechanism; the other end of the first rope is fixedly connected with the second motor after bypassing the eight-fold-rate pulley block, the lifting mechanism is driven by the two motors at the same time, the lifting mechanism can run more stably under the premise of ensuring the speed in a driving mode, the working efficiency is improved, and the lifting mechanism and the common lifting mechanism also have a travelling mechanism and can move along the length direction of the crane boom.
Description
Technical Field
The utility model relates to a tower crane equipment technical field specifically is an eight times rate hoisting mechanism of tower crane.
Background
201210105383.X discloses a tower crane and a lifting hook assembly thereof, the lifting hook assembly comprises: the main trolley is arranged on a crane arm of the tower crane; the auxiliary trolley is arranged on a crane boom of the tower crane; the lifting hook unit comprises a main lifting hook unit and an auxiliary lifting hook unit, and the main lifting hook unit and the auxiliary lifting hook unit are detachably connected through a cross beam; the hook unit further comprises a hook body, and the hook body is installed on the cross beam. The utility model discloses constitute the lifting hook subassembly of eight multiplying powers with the mode that main dolly and vice dolly respectively formed a four multiplying powers unit with main lifting hook unit, vice lifting hook unit respectively, reduced the width of lifting hook subassembly in the increase multiplying power, reduced the minimum working range of lifting hook subassembly.
This scheme has realized eight times hoisting mechanism of rate, has adopted the mode of two rope dual drive device, however, in the tower crane working process of this scheme, need to guarantee that dual drive device pulls the speed of two ropes and keep unanimous, just can avoid lifting hook and lifting hook unit to bump.
Therefore, the present invention is directed to solving the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an eight times rate hoisting mechanism of tower crane, this hoisting mechanism connect two motors simultaneously through a rope, drive hoisting mechanism simultaneously through two motors to this hoisting mechanism also has running gear, can follow jib loading boom length direction and move.
In order to achieve the above object, the utility model provides a following technical scheme:
an eight-fold-rate hoisting mechanism of a tower crane comprises a suspension arm, a first rope, a travelling mechanism and a hook mechanism, wherein the travelling mechanism is connected with the suspension arm in a sliding manner, and the suspension arm is provided with a first motor and a second motor; four fixed pulleys with double grooves are arranged on the travelling mechanism; four movable pulleys are arranged on the hook mechanism, and the four fixed pulleys and the four movable pulleys of the double grooves form an eight-fold-rate pulley block; one end of the first rope is fixedly connected with the first motor; the other end of the first rope bypasses the eight-time pulley block and is fixedly connected with the second motor.
In the eight-fold-rate hoisting mechanism of the tower crane, the traveling mechanism is provided with a first fixed pulley, a second fixed pulley, a third fixed pulley and a fourth fixed pulley which are provided with double grooves, the lifting hook mechanism is provided with a first movable pulley, a second movable pulley, a third movable pulley and a fourth movable pulley, and a first rope passes around the first fixed pulley, the first movable pulley, the first fixed pulley, the second movable pulley, the second fixed pulley, the third movable pulley, the third fixed pulley, the fourth movable pulley and the fourth fixed pulley.
In the eight-fold hoisting mechanism of the tower crane, the hook mechanism further comprises a first fixing frame, and the first fixing frame comprises a first fixing plate and a second fixing plate; the first movable pulley and the second movable pulley are fixed between the first fixing plate and the second fixing plate.
In the eight-fold hoisting mechanism of the tower crane, a second fixing frame and a third fixing frame are further included; the second fixing frame and the third fixing frame are arranged on the first fixing plate and the second fixing plate; the second fixed frame is used for fixing the second movable pulley, and the third fixed frame is used for fixing the third movable pulley.
In the eight-fold hoisting mechanism of the tower crane, a hook is further arranged on the first fixing frame, the hook is an annular hook, and one end of the annular hook is fixedly connected with the first fixing plate; the other end and the second fixed plate fixed connection of annular couple, annular couple has two, and is located the both ends about first mount.
In the eight-fold-rate hoisting mechanism of the tower crane, the suspension arm is provided with a traveling driving mechanism and a hoisting driving mechanism, the suspension arm comprises a crane arm and a balance arm, and the traveling mechanism is connected with the crane arm in a sliding manner; the first rope is driven by a hoisting drive mechanism.
In the eight-fold hoisting mechanism of the tower crane, the traveling driving mechanism comprises a third motor, a second rope, a fifth fixed pulley and a sixth fixed pulley, the third motor is mounted on the crane boom, the fifth fixed pulley is fixed at one end of the crane boom, the sixth fixed pulley is fixed at the free end of the crane boom, the second rope is fixedly connected with the third motor, and one end of the second rope is fixedly connected with the traveling mechanism after bypassing the fifth fixed pulley; and the other end of the second rope is fixedly connected with the travelling mechanism after passing around the sixth fixed pulley.
In the eight-multiplying-power hoisting mechanism of the tower crane, the hoisting driving mechanism comprises a first motor, a first rope, a seventh fixed pulley and an eighth fixed pulley, the seventh fixed pulley is fixed at the end part of the crane boom, the eighth fixed pulley is fixed at the bottom of the crane boom, the first motor is installed on the balance arm, one end of the first rope is fixedly connected with the first motor, and the other end of the first rope sequentially bypasses the seventh fixed pulley and the eighth fixed pulley and then bypasses an eight-multiplying-power pulley block.
In the eight-fold-rate hoisting mechanism of the tower crane, the hoisting driving mechanism further comprises a second motor and a ninth fixed pulley, the second motor is installed on the balance arm, the ninth fixed pulley is fixed at the free end of the crane boom, the other end of the first rope sequentially bypasses a seventh fixed pulley, an eighth fixed pulley, an eight-fold-rate pulley block and a ninth fixed pulley and is fixedly connected with a third motor, and the second motor and the third motor drive the first rope simultaneously.
Compared with the prior art, the beneficial effects of the utility model are that:
compare in former eight times rate hoisting mechanism, two motors are connected simultaneously through a rope to novel hoisting mechanism, drive hoisting mechanism simultaneously through two motors, and such driving method can be under the prerequisite of assurance speed, moves more steadily, improves work efficiency to this hoisting mechanism also has running gear with ordinary hoisting mechanism, can follow jib loading boom length direction motion.
Drawings
FIG. 1 is a perspective view of a traveling mechanism according to embodiment 1;
FIG. 2 is a perspective view of a hook mechanism of embodiment 1;
FIG. 3 is an internal view of the hook mechanism of embodiment 1;
fig. 4 is a perspective view of an eight-rate hoist of embodiment 1;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-4, an eight-fold hoisting mechanism of a tower crane comprises a boom, a first rope 20, a traveling mechanism 5 and a hook mechanism 22, wherein the traveling mechanism 5 is connected with the boom in a sliding manner, and the boom is provided with a first motor 16 and a second motor 15; four fixed pulleys with double grooves are arranged on the travelling mechanism 5; four movable pulleys are arranged on the hook mechanism 22, and an eight-fold-rate pulley block is formed by the four fixed pulleys and the four movable pulleys of the double grooves; one end of the first rope 20 is fixedly connected with the first motor 16; the other end of the first rope 20 is wound around the eight-multiplying-power pulley block and then fixedly connected with the second motor 16.
Under this kind of design, eight times rate hoisting mechanism walks around through first rope 20 to two motors are connected simultaneously at the both ends of first rope 20, drive first rope 20 simultaneously through two motors and pull eight times rate hoisting mechanism, and such driving method can be under the prerequisite of assurance speed, move more steadily.
Preferably, in this embodiment, the traveling mechanism 5 is provided with a first fixed pulley 1, a second fixed pulley 2, a third fixed pulley 3, and a fourth fixed pulley 4 having double grooves, the hook mechanism 22 is provided with a first movable pulley 11, a second movable pulley 12, a third movable pulley 13, and a fourth movable pulley 14, and the first rope 20 passes around the first fixed pulley 1, the first movable pulley 11, the first fixed pulley 1, the second fixed pulley 2, the second movable pulley 12, the second fixed pulley 2, the third fixed pulley 3, the third movable pulley 13, the third fixed pulley 3, the fourth fixed pulley 4, the fourth movable pulley 14, and the fourth fixed pulley 4.
Under this kind of design, the first rope is eight strands, and this hoisting mechanism is eight multiplying power hoisting mechanism, uses first fixed pulley 1, second fixed pulley 2, third fixed pulley 3, fourth fixed pulley 4 of double flute to can practice thrift the cost to a certain extent.
In this embodiment, the hook mechanism further includes a first fixing frame, and the first fixing frame includes a first fixing plate 6 and a second fixing plate 7; the first movable pulley 1 and the second movable pulley 2 are fixed between the first fixing plate 6 and the second fixing plate 7, and the pulleys can be well protected by the mounting mode, so that the pulleys are prevented from colliding with objects in the operation process.
Preferably, in order to make the first rope 20 have a larger moving space and avoid the first rope 20 from being abraded due to friction, the present embodiment determines that a plurality of fixing frames separate the movable pulley, and in the present embodiment, the present embodiment further includes a second fixing frame 8 and a third fixing frame 9; the second fixing frame 8 and the third fixing frame 9 are arranged on the first fixing plate 6 and the second fixing plate 7; the second fixing frame 8 is used for fixing a second movable pulley 12, and the third fixing frame 9 is used for fixing a third movable pulley 13.
In this embodiment, the first fixing frame 6 is further provided with a hook 10, the hook 10 is an annular hook, and one end of the annular hook is fixedly connected with the first fixing plate 6; the other end of the annular hook is fixedly connected with the second fixing plate 7, and the number of the hooks 10 is two, and the hooks are located at the left end and the right end of the first fixing frame.
Preferably, a traveling driving mechanism and a lifting driving mechanism are arranged on the suspension arm, the suspension arm comprises a crane arm and a balance arm, and the traveling mechanism 5 is connected with the crane arm in a sliding manner; the first rope 20 is driven by a lifting driving mechanism, the walking driving mechanism is used for driving the whole eight-time lifting mechanism to move along the length direction of the crane boom, and the lifting driving mechanism is used for driving the eight-time lifting hook to move upwards and downwards towards the ground.
In the present embodiment, in order to enable the entire eight-fold hoisting mechanism to move in the boom direction, the present embodiment is implemented by using a traveling driving mechanism, where the traveling driving mechanism includes a third motor 14, a second rope 20, a fifth fixed pulley 18, and a sixth fixed pulley 19, the third motor 14 is mounted on the boom, the fifth fixed pulley 18 is fixed at one end of the boom, the sixth fixed pulley 19 is fixed at the free end of the boom, the second rope 21 is fixedly connected to the third motor 14, and one end of the second rope 21 is fixedly connected to the traveling mechanism 5 after passing around the fifth fixed pulley 18; the other end of the second rope 21 is fixedly connected with the running gear 5 after passing through the sixth fixed pulley 19.
Preferably, in order to enable the lifting hook with eight magnifications to go up and down along the direction perpendicular to the ground, the lifting driving mechanism is implemented in this embodiment by using a lifting driving mechanism, the lifting driving mechanism includes a first motor 16, a first rope 20, a seventh fixed pulley 17 and an eighth fixed pulley 23, the seventh fixed pulley 17 is fixed at the end of the boom, the eighth fixed pulley 23 is fixed at the bottom of the boom, the first motor 16 is mounted on the balance arm, one end of the first rope 20 is fixedly connected with the first motor 16, the other end of the first rope 20 sequentially rounds the seventh fixed pulley 17 and the eighth fixed pulley 23 and then rounds an eight-magnification pulley block, the eighth pulley block 23 and the fifth pulley 18 are fixed side by side, and the combination of the motor and the fixed pulleys can make the lifting more stable.
As a further optimization of this embodiment, this embodiment determines to adopt two motors to drive the hoisting mechanism simultaneously, the hoisting driving mechanism further includes a second motor 15 and a ninth fixed pulley, the second motor 15 is installed on the balance arm, the ninth fixed pulley 24 is fixed at the free end of the crane boom, the other end of the first rope 20 sequentially bypasses the seventh fixed pulley 17, the eighth fixed pulley 23, the eighth fixed pulley block, and the ninth fixed pulley 24 and is then fixedly connected with the third motor 15, and the second motor 16 and the third motor 15 drive the first rope 20 simultaneously, which is not only more stable, but also increases speed and improves working efficiency.
In the installation process, the eight-fold hoisting mechanism of the tower crane of the embodiment comprises the following steps:
step 1: one end of a first rope 20 is fixed on a first motor 16, and the other end of the first rope is fixed on a second motor 15 after sequentially passing around a first fixed pulley 1, a first movable pulley 11, a first fixed pulley 1, a second fixed pulley 2, a second movable pulley 12, a second fixed pulley 2, a third fixed pulley 3, a third movable pulley 13, a third fixed pulley 3, a fourth fixed pulley 4, a fourth movable pulley 14, a fourth fixed pulley 4 and a ninth fixed pulley 24;
step 2: the second rope 21 is wound around the third motor 14, one end of the second rope 21 is wound around the fifth fixed pulley 18 and then fixedly connected to the traveling mechanism 5, and the other end of the second rope 21 is wound around the sixth fixed pulley 19 and then fixedly connected to the traveling mechanism 5.
Claims (9)
1. An eight-fold-rate hoisting mechanism of a tower crane is characterized by comprising a suspension arm, a first rope, a travelling mechanism and a hook mechanism, wherein the travelling mechanism is connected with the suspension arm in a sliding manner; four fixed pulleys with double grooves are arranged on the travelling mechanism; four movable pulleys are arranged on the hook mechanism, and the four fixed pulleys and the four movable pulleys of the double grooves form an eight-fold-rate pulley block; one end of the first rope is fixedly connected with the first motor; and the other end of the first rope is fixedly connected with the second motor after bypassing the eight-fold pulley block.
2. The eight-fold hoisting mechanism of the tower crane according to claim 1, wherein the traveling mechanism is provided with a first fixed pulley, a second fixed pulley, a third fixed pulley and a fourth fixed pulley which are provided with double grooves, the lifting hook mechanism is provided with a first movable pulley, a second movable pulley, a third movable pulley and a fourth movable pulley, and the first rope is wound through the first fixed pulley, the first movable pulley, the first fixed pulley, the second movable pulley, the second fixed pulley, the third movable pulley, the third fixed pulley, the fourth movable pulley and the fourth fixed pulley.
3. The eight-fold hoisting mechanism of a tower crane according to claim 2, wherein the hook mechanism further comprises a first fixing frame, and the first fixing frame comprises a first fixing plate and a second fixing plate; the first movable pulley and the second movable pulley are fixed between the first fixing plate and the second fixing plate.
4. The eight-fold-rate hoisting mechanism of the tower crane according to claim 3, further comprising a second fixing frame and a third fixing frame; the second fixing frame and the third fixing frame are arranged on the first fixing plate and the second fixing plate; the second fixed frame is used for fixing the second movable pulley, and the third fixed frame is used for fixing the third movable pulley.
5. The eight-fold-rate hoisting mechanism of the tower crane according to claim 3, wherein a hook is further arranged on the first fixing frame, the hook is an annular hook, and one end of the annular hook is fixedly connected with the first fixing plate; the other end and the second fixed plate fixed connection of annular couple, annular couple has two, and is located the both ends about first mount.
6. The eight-fold-rate hoisting mechanism of the tower crane according to claim 1, wherein the boom is provided with a traveling driving mechanism and a hoisting driving mechanism, the boom comprises a crane arm and a balance arm, and the traveling mechanism is slidably connected with the crane arm; the first rope is driven by a hoisting drive mechanism.
7. The eight-fold hoisting mechanism of a tower crane according to claim 6, wherein the traveling driving mechanism comprises a third motor, a second rope, a fifth fixed pulley and a sixth fixed pulley, the third motor is mounted on the crane boom, the fifth fixed pulley is fixed at one end of the crane boom, the sixth fixed pulley is fixed at the free end of the crane boom, the second rope is fixedly connected with the third motor, and one end of the second rope is fixedly connected with the traveling mechanism after passing around the fifth fixed pulley; and the other end of the second rope is fixedly connected with the travelling mechanism after passing around the sixth fixed pulley.
8. The eight-rate hoisting mechanism of the tower crane according to claim 6, wherein the hoisting driving mechanism comprises a first motor, a first rope, a seventh fixed pulley and an eighth fixed pulley, the seventh fixed pulley is fixed at the end of the crane boom, the eighth fixed pulley is fixed at the bottom of the crane boom, the first motor is mounted on the balance arm, one end of the first rope is fixedly connected with the first motor, and the other end of the first rope sequentially bypasses the seventh fixed pulley and the eighth fixed pulley and then bypasses the eight-rate pulley block.
9. The eight-fold-rate hoisting mechanism of the tower crane according to claim 6, wherein the hoisting driving mechanism further comprises a second motor and a ninth fixed pulley, the second motor is mounted on the balance arm, the ninth fixed pulley is fixed at the free end of the crane boom, the other end of the first rope sequentially bypasses a seventh fixed pulley, an eighth fixed pulley, an eight-fold-rate pulley block and the ninth fixed pulley and is fixedly connected with a third motor, and the second motor and the third motor drive the first rope simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222661878.2U CN218560935U (en) | 2022-10-10 | 2022-10-10 | Eight-time-rate hoisting mechanism of tower crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222661878.2U CN218560935U (en) | 2022-10-10 | 2022-10-10 | Eight-time-rate hoisting mechanism of tower crane |
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| Publication Number | Publication Date |
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| CN218560935U true CN218560935U (en) | 2023-03-03 |
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| CN202222661878.2U Active CN218560935U (en) | 2022-10-10 | 2022-10-10 | Eight-time-rate hoisting mechanism of tower crane |
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| CN (1) | CN218560935U (en) |
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