CN113928983A - Hoisting mechanism of top damage prevention hoisting rope - Google Patents
Hoisting mechanism of top damage prevention hoisting rope Download PDFInfo
- Publication number
- CN113928983A CN113928983A CN202111250051.6A CN202111250051A CN113928983A CN 113928983 A CN113928983 A CN 113928983A CN 202111250051 A CN202111250051 A CN 202111250051A CN 113928983 A CN113928983 A CN 113928983A
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- China
- Prior art keywords
- hoisting
- hanging rack
- hanger
- fixed pulley
- rope
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a hoisting mechanism of a hoisting rope for preventing top damage, which relates to the technical field of hoisting devices and comprises a crown block, an upper hanging frame and a lower hanging frame. A fixed pulley group is arranged in the upper hanging rack structure; a motor pulley group is arranged in the lower hanging rack structure; the upper hanging rack is connected with the crown block, a hoisting rope is threaded between the fixed pulley group of the upper hanging rack and the movable pulley group of the lower hanging rack, and the lower hanging rack is connected with a lifting appliance or a heavy object. Compared with the characteristic that a certain distance must be kept between an upper hanger fixed pulley group and a lower hanger movable pulley group of the traditional hoisting mechanism, the upper hanger fixed pulley group and the lower hanger movable pulley group are allowed to be contacted with each other in the working process during hoisting, the phenomenon that the hoisting rope is cut due to rope grinding and pulley grinding edges caused by the fact that the upper hanger and the lower hanger are close to each other in the traditional hoisting mechanism is avoided, and the hoisting rope is prevented from being damaged due to top rushing of the lower hanger; meanwhile, the hoisting space occupied by the pulley block is reduced, the hoisting height is increased under the same condition, the hoisting capacity of the equipment is increased, and the economic benefit is improved.
Description
Technical Field
The invention relates to the technical field of cable hoisting devices, in particular to a hoisting mechanism of a hoisting rope preventing roof damage.
Background
With the development of highway and railway construction in China, the cable crane is used in bridge engineering construction, and is particularly widely applied to mountain canyons with narrow fields and steep two sides and bridge engineering of large-span and rivers.
The overhead traveling crane is an important hoisting device of a cable crane and is generally assembled by side plates and pulleys through pin shafts. The crown block is supported on the elastic main cable, an upper lifting appliance is arranged below the crown block, and a lower lifting appliance is arranged below the upper lifting appliance. The upper and lower hoist design of traditional overhead traveling crane has multirow coaster pulley, because of walking the line and need threading in multirow pulley, in the hoist and mount operation, when lower hoist was close to last hoist, the jack-up rope was because of not in same position pulley from top to bottom, and the position is more nearly, and the jack-up rope angle is big more, produces to grind the rope, grinds the pulley edge, cuts the jack-up rope even.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to overcome the defects in the prior art, and provides a hoisting mechanism for preventing a hoisting rope from being damaged by a top impact, so that the hoisting mechanism can be prevented from being abraded and cut.
A hoisting mechanism for preventing top damage of a hoisting rope comprises a crown block, an upper hanging frame and a lower hanging frame;
the upper hanging rack is respectively connected with a plurality of crown blocks through a plurality of upper hanging rack shafts;
the upper hanging rack comprises a plurality of upper hanging rack side plates connected through a plurality of upper hanging rack shafts, n fixed pulley sets are arranged among the plurality of upper hanging rack plates, and n is a positive integer larger than n;
the lower hanging rack comprises a plurality of lower hanging rack side plates connected through a lower hanging rack shaft, and n-number of motor pulley sets are arranged among the plurality of lower hanging rack side plates;
a hoisting rope is wound between the fixed pulley group and the movable pulley group, and the upper hanging frame is connected with the lower hanging frame through the fixed pulley group, the movable pulley group and the hoisting rope.
Preferably, the overhead traveling crane includes a plurality of overhead traveling crane curb plates through last stores pylon hub connection, is equipped with a plurality of bearing assembly pulleys between a plurality of overhead traveling crane curb plates.
Preferably, the fixed pulley group comprises a fixed pulley shaft and a plurality of fixed pulleys arranged on the fixed pulley shaft, and the fixed pulley shaft is arranged on a plurality of upper hanger side plates of the upper hanger in series and is parallel to the width direction of the upper hanger.
Preferably, the fixed pulley shafts are parallel to each other and are positioned on the same horizontal plane;
the fixed pulleys on the same vertical surface are arranged in a linear mode.
Preferably, the movable pulley group comprises a movable pulley shaft and a plurality of movable pulleys arranged on the movable pulley shaft, and the movable pulley shaft is arranged on a plurality of lower hanger side plates of the lower hanger in series and is parallel to the width direction of the lower hanger.
Preferably, the movable pulleys are parallel to each other and are positioned on the same horizontal plane;
the movable pulleys on the same vertical surface are arranged in a linear mode.
Preferably, the whole circular rectangle that is of the last stores pylon and its top are equipped with a plurality of arc archs, go up the stores pylon axle and set up in arc protruding department.
Preferably, the lower hanging rack is integrally in a round corner rectangle shape.
Preferably, the fixed pulley block and the movable pulley block both adopt cast steel pulleys.
Preferably, the hoisting mechanism of the hoisting rope for preventing the roof damage further comprises a hoisting device.
Compared with the prior art, the invention has the advantages that:
compare with the characteristics that must keep certain distance between last stores pylon fixed pulley group and the lower stores pylon movable pulley group of traditional hoisting mechanism, can be when hoist and mount, go up stores pylon fixed pulley group and lower stores pylon movable pulley group and allow the mutual contact at the course of the work, avoid because of last, lower stores pylon is close to the grinding rope and the grinding pulley edge phenomenon that lead to, avoid cutting the jack-up rope, place because of lower stores pylon dashes the top and damages the jack-up rope.
Meanwhile, the hoisting space occupied by the pulley block is reduced, the hoisting height is increased under the same condition, the hoisting capacity of the equipment is increased, and the economic benefit is improved.
During the trial period of one set of crown blocks, the requirements on the hoisting speed are different according to the change of the hoisting weight, the threading number of the routing lines can be changed by adjusting the number of the fixed pulley block and the movable pulley block, the hoisting weight is reduced, the routing number is reduced, and the hoisting speed is accelerated; otherwise, the hoisting weight is increased, the number of the wires is increased, and the hoisting speed is reduced.
Drawings
Fig. 1 is a schematic view of the use of a hoisting mechanism of a hoisting line for protecting against roof damage in an embodiment of the invention.
Fig. 2 is an elevation view of a crown block and an upper hanger in an embodiment of the present invention.
Fig. 3 is a side view of a crown block and an upper hanger in an embodiment of the present invention.
Fig. 4 is an elevation view of a lower hanger in an embodiment of the present invention.
FIG. 5 is a side view of the lower rack according to the embodiment of the present invention.
Fig. 6 is a plan view of a lower hanger according to an embodiment of the present invention.
Reference numerals:
1-a crown block; 2-hanging the upper rack; 3-lower hanging rack; 4-mounting a hanger shaft; 5-lower hanger shaft; 6-crown block side plate; 7-upper hanger side plate; 8-lower hanger side panel; 9-a bearing pulley block; 10-fixed pulley shaft; 11-a fixed pulley; 12-a movable pulley shaft; 13-a movable pulley; 14-hoisting rope.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, the application provides a hoisting mechanism of scour protection top damage hoisting rope, including overhead traveling crane 1, go up stores pylon 2 and lower stores pylon 3, go up stores pylon 2 and connect a plurality of overhead traveling crane 1 respectively through a plurality of last stores pylon axles 4, it includes a plurality of stores pylon curb plates 7 of going up that connect through a plurality of last stores pylon axles 4 to go up stores pylon 2, be equipped with a plurality of stationary block groups of coasters between a plurality of last stores pylon curb plates 7, n is the positive integer that is greater than 2, lower stores pylon 3 includes a plurality of lower stores pylon curb plates 8 of connecting through lower stores pylon axle 5, be equipped with a plurality of stationary block groups of coasters of n-1 between a plurality of lower stores pylon curb plates 8, it has hoisting rope 14 to wear to have wound between stationary block group of coasters and the stationary block group of coasters, go up stores pylon 2 through stationary block group of coasters, the stationary block group of coasters, and hoisting rope 14 connects lower stores pylon 3.
In this embodiment, compare with the last stores pylon of traditional hoisting mechanism and decide the characteristics that the tackle pulley group must keep certain distance between the tackle pulley group and the lower stores pylon, can be when the hoist and mount, the tackle pulley group and the 3 tackle pulley groups of lower stores pylon of deciding of last stores pylon 2 allow the mutual contact in the course of the work, avoid because of last stores pylon 2 and lower stores pylon 3 are close to the grinding rope and the pulley edge phenomenon that leads to, avoid cutting jack-up rope 14, place because of lower stores pylon dashes top damage jack-up rope.
Meanwhile, the hoisting space occupied by the pulley block is reduced, the hoisting height is increased under the same condition, the hoisting capacity of the equipment is increased, and the economic benefit is improved.
During the trial period of one set of crown blocks, the requirements on the hoisting speed are different according to the change of the hoisting weight, the threading number of the routing lines can be changed by adjusting the number of the fixed pulley block and the movable pulley block, the hoisting weight is reduced, the routing number is reduced, and the hoisting speed is accelerated; otherwise, the hoisting weight is increased, the number of the wires is increased, and the hoisting speed is reduced.
In a preferred embodiment, the crown block 1 comprises a plurality of crown block side plates 6 connected by an upper hanging frame shaft 4, and a plurality of bearing pulley blocks 9 are arranged between the plurality of crown block side plates 6.
As shown in fig. 2 to 3, in a preferred embodiment, the fixed pulley set includes a fixed pulley shaft 10 and a plurality of fixed pulleys 11 disposed on the fixed pulley shaft 10, and the fixed pulley shaft 10 is serially connected to a plurality of upper hanger side plates 7 of the upper hanger 2 and is parallel to the width direction of the upper hanger 2.
In the preferred embodiment, the fixed pulley shafts 10 are parallel to each other and located on the same horizontal plane;
the plurality of fixed pulleys 11 located on the same vertical plane are arranged in a line.
In the present embodiment, the fixed pulley 11 of the upper hanger 2 has a plurality of ones, arranged in the same plane.
The fixed pulley 11 of the upper hanging rack 2 and the movable pulley 13 of the lower hanging rack 3 are arranged in a linear mode, the hoisting rope 14 is wound in the fixed pulley 11 and the movable pulley 13 for multiple times, and the hoisting rope 14 is in the same plane during winding.
As shown in fig. 4 to 6, in the preferred embodiment, the pulley set includes a movable pulley shaft 12 and a plurality of movable pulleys 13 disposed on the movable pulley shaft 12, and the movable pulley shaft 12 is serially connected to the plurality of lower hanger side plates 8 of the lower hanger 3 and is parallel to the width direction of the lower hanger 3.
In the preferred embodiment, the movable pulleys 13 are parallel to each other and are located on the same horizontal plane;
the movable pulleys 13 located on the same vertical plane are arranged in a line.
In the present embodiment, the movable pulleys 13 of the lower hanger 3 have one or more, and are arranged in the same plane.
In a preferred embodiment, the upper hanger 2 is a rounded rectangle and has a plurality of arc-shaped protrusions at the top, and the upper hanger shaft 4 is disposed at the arc-shaped protrusions.
In a preferred embodiment, the lower hanger 3 is a rounded rectangle as a whole.
In a preferred embodiment, the fixed pulley block and the movable pulley block both use cast steel pulleys.
In a preferred embodiment, the hoisting mechanism of the hoisting rope against roof damage further comprises a hoisting device for connecting the hoisting rope 14 during hoisting.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. A hoisting mechanism of a hoisting rope for preventing top damage comprises an overhead travelling crane (1), an upper hanging rack (2) and a lower hanging rack (3); it is characterized in that the preparation method is characterized in that,
the upper hanging rack (2) is respectively connected with a plurality of overhead trolleys (1) through a plurality of upper hanging rack shafts (4);
the upper hanging rack (2) comprises a plurality of upper hanging rack side plates (7) connected through a plurality of upper hanging rack shafts (4), n fixed pulley sets are arranged among the plurality of upper hanging rack side plates (7), and n is a positive integer greater than 2;
the lower hanging rack (3) comprises a plurality of lower hanging rack side plates (8) connected through a lower hanging rack shaft (5), and n-1 motor pulley sets are arranged between the plurality of lower hanging rack side plates (8);
a hoisting rope (14) is wound between the fixed pulley group and the movable pulley group, and the upper hanging frame (2) is connected with the lower hanging frame (3) through the fixed pulley group, the movable pulley group and the hoisting rope (14).
2. A hoisting mechanism of an impact damage hoisting line according to claim 1, characterized in that the crown block (1) comprises a plurality of crown block side plates (6) connected by an upper hanger shaft (4), and that a plurality of load bearing pulley blocks (9) are arranged between the plurality of crown block side plates (6).
3. The hoisting mechanism of an anti-roof damage hoisting rope according to claim 1, characterized in that the fixed pulley set comprises a fixed pulley shaft (10) and a plurality of fixed pulleys (11) arranged on the fixed pulley shaft (10), the fixed pulley shaft (10) is arranged in series on a plurality of upper hanger side plates (7) of the upper hanger (2) and is parallel to the width direction of the upper hanger (2).
4. Hoisting mechanism of an anti-roof damage hoisting line according to claim 3, characterized in that the plurality of fixed pulley shafts (10) are parallel to each other and in the same horizontal plane;
the fixed pulleys (11) positioned on the same vertical surface are arranged in a linear mode.
5. The hoisting mechanism of an anti-roof damage hoisting rope according to claim 1, characterized in that the set of travelling block comprises a travelling pulley shaft (12) and a plurality of travelling pulleys (13) arranged on the travelling pulley shaft (12), the travelling pulley shaft (12) is strung on a plurality of lower hanger side plates (8) of the lower hanger (3) and is parallel to the width direction of the lower hanger (3).
6. Hoisting mechanism of an anti-roof damage hoisting line according to claim 5, characterized in that the movable pulleys (13) are parallel to each other and located in the same horizontal plane;
the movable pulleys (13) positioned on the same vertical surface are arranged in a linear mode.
7. The hoisting mechanism of a hoisting rope against roof damage as claimed in claim 1, wherein the upper hanger (2) is overall rounded rectangular and has a plurality of arc-shaped protrusions at its top, the upper hanger shaft (4) being arranged at the arc-shaped protrusions.
8. Hoisting mechanism of an impact top damage protection hoisting line according to claim 1, characterized in that the lower hanger (3) is overall rounded rectangular.
9. The hoisting mechanism of claim 1 wherein the tackle blocks and the tackle blocks each employ cast steel pulleys.
10. The hoisting mechanism of an anti-roof damage hoisting line of claim 1, wherein the hoisting mechanism of an anti-roof damage hoisting line further comprises a hoisting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111250051.6A CN113928983A (en) | 2021-10-26 | 2021-10-26 | Hoisting mechanism of top damage prevention hoisting rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111250051.6A CN113928983A (en) | 2021-10-26 | 2021-10-26 | Hoisting mechanism of top damage prevention hoisting rope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113928983A true CN113928983A (en) | 2022-01-14 |
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ID=79284366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111250051.6A Pending CN113928983A (en) | 2021-10-26 | 2021-10-26 | Hoisting mechanism of top damage prevention hoisting rope |
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| Country | Link |
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| CN (1) | CN113928983A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530722A (en) * | 2012-02-06 | 2012-07-04 | 青岛海西重机有限责任公司 | Pulley system of variable power crane hoisting hook and integrated system thereof |
| CN103588090A (en) * | 2013-11-26 | 2014-02-19 | 国家电网公司 | Lifting hook for quickly realizing multiplying power conversion of pulley block |
| CN103626063A (en) * | 2013-12-11 | 2014-03-12 | 江苏沃得起重机有限公司 | Rope winding device and method for steel wire rope of large-size portal crane |
| CN205634654U (en) * | 2016-03-29 | 2016-10-12 | 中建钢构江苏有限公司 | Sports car structure of cable crane hoist |
| CN111891936A (en) * | 2020-06-10 | 2020-11-06 | 武汉船用机械有限责任公司 | Hoisting device for offshore wind turbine maintenance |
| CN214399550U (en) * | 2021-09-13 | 2021-10-15 | 河南华研起重机有限公司 | Four-hoisting-point synchronous lifting type heavy truck battery replacement trolley |
-
2021
- 2021-10-26 CN CN202111250051.6A patent/CN113928983A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530722A (en) * | 2012-02-06 | 2012-07-04 | 青岛海西重机有限责任公司 | Pulley system of variable power crane hoisting hook and integrated system thereof |
| CN103588090A (en) * | 2013-11-26 | 2014-02-19 | 国家电网公司 | Lifting hook for quickly realizing multiplying power conversion of pulley block |
| CN103626063A (en) * | 2013-12-11 | 2014-03-12 | 江苏沃得起重机有限公司 | Rope winding device and method for steel wire rope of large-size portal crane |
| CN205634654U (en) * | 2016-03-29 | 2016-10-12 | 中建钢构江苏有限公司 | Sports car structure of cable crane hoist |
| CN111891936A (en) * | 2020-06-10 | 2020-11-06 | 武汉船用机械有限责任公司 | Hoisting device for offshore wind turbine maintenance |
| CN214399550U (en) * | 2021-09-13 | 2021-10-15 | 河南华研起重机有限公司 | Four-hoisting-point synchronous lifting type heavy truck battery replacement trolley |
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