CN212712489U

CN212712489U - Amplitude-variable trolley

Info

Publication number: CN212712489U
Application number: CN202021070641.1U
Authority: CN
Inventors: 张映月
Original assignee: Shenyang Kangstrontium Technology Co ltd
Current assignee: Shenyang Kangstrontium Technology Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-03-16
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses a luffing carriage, which comprises a hoisting mechanism, a force measuring ring, a guide wheel, a quadruple rate luffing carriage state, a torsion preventer, a steel wire rope and a double-rate luffing carriage state, wherein the force measuring ring is arranged on one side of the hoisting mechanism, the guide wheel is arranged on one side of the force measuring ring away from the hoisting mechanism, the quadruple rate luffing carriage state and the double-rate luffing carriage state can freely walk on a crane boom, an upper pulley group is fixed on the luffing carriage in the quadruple rate luffing carriage state, the steel wire rope is wound and connected with a lower pulley group and a hook group, the improvement on the basis of the original steel wire rope winding mode of 2/4 multiplying power is ensured by changing the winding mode of the steel wire rope, the torsion probability of the high-altitude operation steel wire rope is greatly reduced while the safety function of the original luffing carriage is completely ensured, and the accident, the service life of the steel wire rope is prolonged.

Description

Amplitude-variable trolley

Technical Field

The utility model relates to a become width of cloth dolly and lifting hook group technical field specifically are a width of cloth dolly.

Background

Traditional width of cloth dolly and lifting hook group arrange get into china from the past for a long time, have born the time of decades, because the building trade development is far away not like high-rise forest stand today earlier, so when traditional width of cloth dolly wiring is arranged, because the reason of width of cloth dolly self structure can form an inevitable contained angle, this contained angle can arouse wire rope to twist together in the time of higher height, brings the hidden danger to the safety in production of tower machine, for this, the novel width of cloth dolly that becomes of upgrading design.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a become width of cloth dolly to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the variable-amplitude trolley comprises a hoisting mechanism, a force measuring ring, a guide wheel, a quadruple-rate variable-amplitude trolley state, a torsion preventer, a steel wire rope and a double-rate variable-amplitude trolley state, wherein the force measuring ring is arranged on one side of the hoisting mechanism, the guide wheel is arranged on one side of the force measuring ring away from the hoisting mechanism, an upper pulley block and a lower pulley block are arranged below the four-rate variable-amplitude trolley state and the double-rate variable-amplitude trolley state, hook groups are fixedly connected to the bottoms of the two outer sides of the lower pulley block through pin shafts, the torsion preventer is arranged on one side of the four-rate variable-amplitude trolley state and the double-rate variable-amplitude trolley state, and one end, away from the hoisting mechanism, of the steel wire rope is fixedly.

As further preferable in the present technical solution: and a first lifting pulley and a second lifting pulley are respectively fixed on two sides of the beam in the four-multiplying-power amplitude variation trolley state through pin shafts, and one end of the steel wire rope is sequentially wound on the lifting mechanism, the force measuring ring, the guide wheel, the first lifting pulley, the lower pulley block, the upper pulley block and the second lifting pulley.

As further preferable in the present technical solution: the force measuring ring, the guide wheel, the first lifting pulley, the second lifting pulley, the upper pulley block, the lower pulley block and the anti-twist device are located on the same horizontal plane.

As further preferable in the present technical solution: and third lifting pulleys are respectively fixed on two sides of the cross beam in the two-multiplying-power amplitude variation trolley state through pin shafts, and one end of the steel wire rope is sequentially wound on the lifting mechanism, the force measuring ring, the guide wheel, the third lifting pulley, the lower pulley block and the fourth lifting pulley.

As further preferable in the present technical solution: the force measuring ring, the guide wheel, the third lifting pulley, the fourth lifting pulley, the upper pulley block, the lower pulley block and the anti-twist device are positioned on the same horizontal plane.

Compared with the prior art, the beneficial effects of the utility model are that: the four multiplying powers become width of cloth dolly state and two multiplying powers become width of cloth dolly state and can all satisfy the normal operating needs, when the quadruple rate becomes width of cloth dolly state, the upper pulley group is fixed on becoming width of cloth dolly, wire rope winding and lower pulley group and lifting hook group link, through the winding mode of changing wire rope, guarantee to improve on the basis of the wire rope winding mode of original 2/4 multiplying powers, and when guaranteeing that the safety function of original width of cloth dolly is whole to be preserved, greatly reduced high altitude construction wire rope turns round the probability, and reduce accident probability, improve the wire rope life-span.

Drawings

FIG. 1 is a schematic structural view of a 4-magnification rope-threading and winding mode of the present invention;

FIG. 2 is a schematic view of the angle-free rope threading structure of the present invention;

fig. 3 is a schematic view of the 2-magnification rope-threading structure of the present invention.

In the figure: 1. a hoisting mechanism; 2. a force measuring ring; 3. a guide wheel; 4-1, a first lifting pulley; 4-2, a second lifting pulley; 5. a four-magnification amplitude variation trolley state; 6. an upper pulley set; 7. a lower pulley block; 8. a hook group; 9. an anti-twist device; 10. a wire rope; 12. a second-magnification amplitude variation trolley state; 13-1, a third lifting pulley; 13-2 and a fourth lifting pulley.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 one

Referring to fig. 1-2, the present invention provides a technical solution: a luffing trolley comprises a hoisting mechanism 1, a force measuring ring 2, a guide wheel 3, a quadruple rate luffing trolley state 5, an anti-torque device 9, a steel wire rope 10 and a double-power luffing trolley state 12, wherein the force measuring ring 2 is arranged on one side of the hoisting mechanism 1, the guide wheel 3 is arranged on one side of the force measuring ring 2 away from the hoisting mechanism 1, lower pulley groups 7 are arranged below the quadruple rate luffing trolley state 5 and the double-power luffing trolley state 12, upper pulley groups 6 are arranged below the quadruple rate luffing trolley state 5 and the double-power luffing trolley state 12, hook groups 8 are fixedly connected to the bottoms of the two outer sides of the lower pulley groups 7 through the steel wire rope 10, the anti-torque device 9 is arranged on one side of the quadruple rate luffing trolley state 5 and the double-power luffing trolley state 12, one end of the steel wire rope 10 away from the hoisting mechanism 1 is fixedly connected to the inside of the anti-torque device 9, and the quadruple rate luffing trolley state, when the quadruple rate amplitude variation trolley is in a state 5, the upper pulley block 6 is fixed on the amplitude variation trolley and is connected with the lower pulley block 7 and the lifting hook block 8 through the winding of a steel wire rope 10.

In this embodiment, specifically: a first lifting pulley 4-1 and a second lifting pulley 4-2 are fixed on two sides of a cross beam of a four-multiplying-power amplitude-variable trolley state 5 through pin shafts respectively, one end of a steel wire rope 10 is sequentially wound on a lifting mechanism 1, a force measuring ring 2, a guide wheel 3, the first lifting pulley 4-1, a lower pulley block 7, an upper pulley block 6 and the second lifting pulley 4-2, the steel wire rope 10 adopts the winding mode, rope penetrating and winding with 4 multiplying powers in a straight line is achieved, the steel wire rope 10 is guaranteed to be wound on the same plane all the time and have no included angle all the time, the twisting condition of the steel wire rope 10 for high-altitude operation is reduced, the accident probability is reduced, and the service life of.

In this embodiment, specifically: the force measuring ring 2, the guide wheel 3, the first lifting pulley 4-1, the second lifting pulley 4-2, the upper pulley block 6, the lower pulley block 7 and the anti-torsion device 9 are positioned on the same horizontal plane, and the normal use of lifting and amplitude changing in the quadruple-rate amplitude-changing trolley state 5 can be realized by arranging the force measuring ring 2, the guide wheel 3, the first lifting pulley 4-1, the second lifting pulley 4-2, the upper pulley block 6, the lower pulley block 7 and the anti-torsion device 9 on the same horizontal plane.

The working principle or the structural principle is that when the lifting mechanism is used, the steel wire rope 10 sequentially passes through the force measuring ring 2 from the lifting mechanism 1 to the guide wheel 3 and then to the first lifting pulley 4-1 and the second lifting pulley 4-2 of the quadruple rate amplitude variation trolley state 5, then is wound by the upper pulley block 6 and the lower pulley block 7 and then is locked on the torsion preventer 9 to control the lifting and descending of the hook block 8, the steel wire rope 10 is ensured to be always wound on the same plane and always have no included angle, the improvement is ensured on the basis of the original 4-rate steel wire rope 10 winding mode by replacing the steel wire rope 10, the torsion probability of the high-altitude operation steel wire rope 10 is greatly reduced while the safety function of the original quadruple rate amplitude variation trolley state 5 is ensured to be completely guaranteed, the accident probability is reduced, and the service life of the steel wire rope 10 is.

Example two

Referring to fig. 3, the present invention provides a technical solution: a luffing trolley comprises a hoisting mechanism 1, a force measuring ring 2, a guide wheel 3, a quadruple rate luffing trolley state 5, an anti-torque device 9, a steel wire rope 10 and a double-power luffing trolley state 12, wherein the force measuring ring 2 is arranged on one side of the hoisting mechanism 1, the guide wheel 3 is arranged on one side of the force measuring ring 2 away from the hoisting mechanism 1, an upper pulley block 6 and a lower pulley block 7 are arranged below the quadruple rate luffing trolley state 5 and the double-power luffing trolley state 12, hook groups 8 are fixedly connected to the bottoms of the two outer sides of the lower pulley block 7 through pin shafts, anti-torque devices 9 are arranged on one sides of the quadruple rate luffing trolley state 5 and the double-power luffing trolley state 12, one end of the steel wire rope 10 away from the hoisting mechanism 1 is fixedly connected to the inside of the anti-torque device 9, the quadruple rate luffing trolley state 5 and the double-power luffing trolley state 12 can freely move, the upper pulley block 6 is fixed on the amplitude variation trolley and is connected with the lower pulley block 7 and the lifting hook block 8 through the winding of a steel wire rope 10.

In this embodiment, specifically: the third lifting pulley 13-1 is fixed on each of two sides of the cross beam in the two-multiplying-power amplitude-variable trolley state 12 through a pin shaft, one end of the steel wire rope 10 is sequentially wound on the lifting mechanism 1, the force measuring ring 2, the guide wheel 3, the third lifting pulley 13-1, the lower pulley block 7 and the fourth lifting pulley 13-2, so that the steel wire rope 10 adopts the winding mode, rope threading and rope winding with the multiplying power of 2 in a straight line are realized, the steel wire rope 10 is guaranteed to be wound on the same plane all the time and has no included angle all the time, the twisting condition of the steel wire rope 10 in aerial work is reduced, the accident probability is reduced, and the service life.

In this embodiment, specifically: the force measuring ring 2, the guide wheel 3, the third lifting pulley 13-1, the fourth lifting pulley 13-2, the upper pulley block 6, the lower pulley block 7 and the anti-torque device 9 are positioned on the same horizontal plane, and the normal use of the two-magnification amplitude-variable trolley 12 in lifting and amplitude-variable can be realized by arranging the force measuring ring 2, the guide wheel 3, the third lifting pulley 13-1, the fourth lifting pulley 13-2, the lower pulley block 7 and the anti-torque device 9 on the same horizontal plane.

The working principle or the structural principle is that when the lifting mechanism is used, the steel wire rope 10 sequentially passes through the force measuring ring 2 from the lifting mechanism 1 to the guide wheel 3 and then passes through the third lifting pulley 13-1 and the fourth lifting pulley 13-2 in the double-multiplying-power amplitude-variable trolley state 12, and then is wound by the lower pulley group 7 and then is locked on the anti-twisting device 9 to control lifting and descending of the hook group 8, so that the steel wire rope 10 is always wound on the same plane and has no included angle, the improvement is guaranteed on the basis of the original winding mode of the steel wire rope 10 with the multiplying power of 2 by changing the winding mode of the steel wire rope 10, the twisting condition of the steel wire rope 10 in high-altitude operation is greatly reduced while the safety function of the original double-multiplying-power amplitude-variable trolley state 12 is guaranteed, the accident probability is reduced, and the service life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a change width of cloth dolly, includes hoisting mechanism (1), dynamometry ring (2), leading wheel (3), quadruple rate change width of cloth dolly state (5), anti-twist device (9), wire rope (10) and double-power change width of cloth dolly state (12), its characterized in that: one side of hoisting mechanism (1) is provided with force measuring ring (2), one side that hoisting mechanism (1) was kept away from in force measuring ring (2) is provided with leading wheel (3), the below of four multiplying power change width of cloth dolly state (5) and two multiplying power change width of cloth dolly state (12) all is provided with upper pulley block (6) and lower pulley block (7), the bottom of the outside both sides of lower pulley block (7) is through round pin axle fixedly connected with lifting hook group (8), one side of four multiplying power change width of cloth dolly state (5) and two multiplying power change width of cloth dolly state (12) is provided with anti-torque device (9), the one end fixed connection in the inside of anti-torque device (9) of hoisting mechanism (1) is kept away from in wire rope (10).

2. The amplitude variation trolley as claimed in claim 1, wherein: a first lifting pulley (4-1) and a second lifting pulley (4-2) are fixed on two sides of a cross beam of the four-multiplying-power amplitude-variable trolley (5) respectively through pin shafts, and one end of a steel wire rope (10) is sequentially wound on the lifting mechanism (1), the force measuring ring (2), the guide wheel (3), the first lifting pulley (4-1), the lower pulley block (7), the upper pulley block (6) and the second lifting pulley (4-2).

3. The amplitude variation trolley as claimed in claim 2, wherein: the force measuring ring (2), the guide wheel (3), the first lifting pulley (4-1), the second lifting pulley (4-2), the upper pulley block (6), the lower pulley block (7) and the anti-twist device (9) are located on the same horizontal plane.

4. The amplitude variation trolley as claimed in claim 1, wherein: and third lifting pulleys (13-1) are respectively fixed on two sides of a cross beam of the two-magnification amplitude variation trolley (12) through pin shafts, and one end of the steel wire rope (10) is sequentially wound on the lifting mechanism (1), the force measuring ring (2), the guide wheel (3), the third lifting pulley (13-1), the lower pulley block (7) and the fourth lifting pulley (13-2).

5. The amplitude variation trolley as claimed in claim 4, wherein: the force measuring ring (2), the guide wheel (3), the third lifting pulley (13-1), the fourth lifting pulley (13-2), the upper pulley group (6), the lower pulley group (7) and the anti-twist device (9) are positioned on the same horizontal plane.