CN111170152A - Double-power eight-rope grab trolley - Google Patents
Double-power eight-rope grab trolley Download PDFInfo
- Publication number
- CN111170152A CN111170152A CN202010161096.5A CN202010161096A CN111170152A CN 111170152 A CN111170152 A CN 111170152A CN 202010161096 A CN202010161096 A CN 202010161096A CN 111170152 A CN111170152 A CN 111170152A
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- CN
- China
- Prior art keywords
- trolley
- rope
- steel wire
- hoisting
- opening
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Classifications
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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
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
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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
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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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
- B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
- B66C3/12—Grabs actuated by two or more ropes
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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
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/08—Runners; Runner bearings
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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
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/14—Trolley or crane travel drives
Abstract
The invention relates to the technical field of hoisting equipment, in particular to a double-rate eight-rope grab bucket hoisting trolley which comprises a trolley frame and a double-rate eight-rope grab bucket lifting appliance, wherein one side of the top of the trolley frame is connected with a hoisting mechanism through a bolt, one side or two sides of the top of the trolley frame, which are close to the hoisting mechanism, are connected with a brake for the hoisting mechanism through bolts, one side of the top of the trolley frame, which is far away from the brake for the hoisting mechanism, is connected with an opening and closing mechanism through a bolt, and an opening and closing winding drum. The hoisting trolley has the beneficial effects that the steel wire ropes of the hoisting and opening and closing mechanisms are in parallel winding connection, two steel wire ropes of the opening and closing mechanism enter from the rope guide holes above the double-rate eight-rope grab bucket lifting appliance and then are wound out from two sides to return to the trolley frame for fixing, the mutual drag force of the mode of arranging the steel wire ropes is used in the mode, the anti-swing and anti-deflection functions of the lifting appliance are realized by the winding method of a rope system, the flexibility of the hoisting trolley is stronger, the load torque of the hoisting and opening and closing mechanisms is halved, and the manufacturing cost of the hoisting and opening and closing mechanisms is reduced.
Description
Technical Field
The invention relates to the technical field of hoisting equipment, in particular to a double-rate eight-rope grab trolley.
Background
The crane truck mainly comprises a hoisting mechanism, an amplitude variation mechanism, a swing mechanism, a running mechanism, a bearing structure chassis and the like, wherein the hoisting mechanism is a basic working mechanism of the crane, most of the hoisting mechanism is composed of a hanging system and a winch, and heavy objects are lifted through a hydraulic system.
The traditional four-rope grab trolley and four-rope grab sling are mature industries, and the rope winding is relatively simple, so that the design is not changed for years, the mode has many disadvantages, does not have anti-rotation capability, often causes four steel wire ropes to be twisted together, reduces the abrasion service life of the steel wire ropes, when the steel wire rope is violently twisted, the steel wire rope is directly scrapped, even because the steel wire rope is abraded to cause safety accidents, the grab bucket rotates seriously and even cannot work, the efficiency is greatly reduced, the potential safety hazard is high, the cost is too high, because the four-rope grab bucket is not provided with the fixed pulley block and has no multiplying power, the torque output required by the winding drum is large, and the grab bucket trolley is provided with two mechanisms, so grab bucket bridge crane is a lot of more than the general gantry crane hook price of equal tonnage, and the grab bucket hoist has the wire rope fixed point, and it is convenient inadequately to use, consequently needs the eight rope grab bucket hoisting trolley of research and development twofold rate urgently.
Disclosure of Invention
The invention aims to provide a double-rate eight-rope grab bucket crane trolley, which aims to solve the problems that the rope system winding method in the background technology can not realize the functions of preventing swinging and deflection of a lifting appliance, the steel wire ropes are often twisted together, the abrasion service life of the steel wire ropes is shortened, the traditional mechanisms are directly connected and cannot be wound back, the grab bucket rotates seriously or even cannot operate, the efficiency is greatly reduced, the potential safety hazard is high, the cost is too high, the grab bucket lifting appliance has a steel wire rope fixing point, and the use is not convenient enough.
The technical scheme of the invention is as follows: two multiplying factor eight rope grab bucket trolley, including trolley frame and two multiplying factor eight rope grab bucket hoist, there is hoisting mechanism one side at trolley frame top through bolted connection, there is the stopper for hoisting mechanism one side or both sides that the trolley frame top is close to hoisting mechanism through bolted connection, there is switching mechanism one side of hoisting mechanism stopper is kept away from at trolley frame top through bolted connection, switching mechanism's outside is provided with the switching reel, there is the stopper for switching mechanism one side of hoisting mechanism is kept away from at trolley frame top through bolted connection, hoisting mechanism's inside is provided with the hoisting reel, the outside of switching reel is around being equipped with two switching mechanism wire ropes, the outside of hoisting reel is around being equipped with two hoisting mechanism wire ropes.
Furthermore, the middle position of one side of the top of the trolley frame is connected with a trolley running driving mechanism through a bolt, and the trolley running driving mechanism consists of a brake motor and a speed reducer.
Furthermore, the two sides of the bottom of the trolley frame are connected with trolley wheel sets through bolts, each trolley wheel set consists of a driving wheel and a driven wheel, and a plurality of fixing points are arranged on one side of the trolley frame.
Furthermore, the number of the fixed points is four, and the opening and closing mechanism steel wire rope and the hoisting mechanism steel wire rope are connected to the fixed points through the steel wire rope wedge sleeve and the lantern ring.
Furthermore, pulley blocks are connected to two sides of the double-rate eight-rope grab bucket lifting appliance through bolts, and the opening and closing mechanism steel wire rope and the hoisting mechanism steel wire rope are wound on four fixed points through the pulley blocks.
Furthermore, the two hoisting mechanism steel wire ropes are parallelly wound and connected in an inverted splayed mode, a plurality of rope guide holes are formed in the top of the double-rate splayed rope grab hanger, and the two opening and closing mechanism steel wire ropes enter through the rope guide holes and are wound out from two sides of the double-rate splayed rope grab hanger.
Furthermore, the number of the two opening and closing mechanism steel wire ropes wound back through the pulley block is two, and the number of the two hoisting mechanism steel wire ropes wound back through the pulley block is two.
Further, the two-magnification eight-rope grab bucket lifting appliance is composed of a head assembly, a cross beam assembly, a pull rod assembly and a bucket assembly, wherein the pull rod assembly is connected to two sides of the bottom of the head assembly in a rotating mode through a rotating shaft, the bucket assembly is connected to the bottom of the pull rod assembly in a rotating mode through a rotating shaft, and the cross beam assembly is connected to the top of the bucket assembly through a bolt.
The invention provides a double-rate eight-rope grab trolley by improvement, compared with the prior art, the double-rate eight-rope grab trolley has the following improvements and advantages:
(1) the two steel wire ropes of the hoisting mechanism enter from a rope guide hole above a double-rate eight-rope grab bucket lifting appliance and then are wound out from two sides to return to a trolley frame to be fixed, the two steel wire ropes of the hoisting mechanism enter from one sides of movable pulleys on two sides of the double-rate eight-rope grab bucket lifting appliance and then are wound out from the other sides of the movable pulleys to return to the trolley frame to be fixed, the mutual drag force of the mode of arranging the steel wire ropes is relied on in the mode, the anti-swing and anti-deflection functions of the lifting appliance are realized through the winding method of a rope system, and the hoisting trolley is stronger in flexibility.
(2) Four ropes are wound from the opening and closing mechanism and the lifting mechanism, the four ropes are wound back, the load-bearing lifting appliance is eight ropes, the grab trolley is changed from no multiplying power (namely m is 1) to 2 multiplying power (namely m is 2) by the method, and then the load torque born by the lifting and opening and closing mechanism is halved, so that the manufacturing cost of the lifting and opening and closing mechanism is reduced.
(3) The double-rate eight-rope grab bucket lifting appliance is free of steel wire rope fixing points, two sets of pulley blocks for winding and recycling the lifting steel wire ropes are symmetrically arranged on two sides above the lifting appliance, the number of the pulleys for opening and closing the steel wire ropes is increased by half compared with the traditional structure, and the double-rate eight-rope grab bucket lifting appliance is more innovative compared with the traditional structure.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a top view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a schematic representation of the wrapping of the steel cord of the present invention;
FIG. 5 is an elevation view of a two-multiplier eight rope grab bucket of the present invention;
figure 6 is a side view of a two-fold-rate eight-rope grab hanger of the present invention.
Description of reference numerals:
the device comprises a hoisting mechanism 1, a hoisting mechanism brake 2, a trolley operation driving mechanism 3, a switching mechanism 4 (winding drum), a switching mechanism brake 5, a switching mechanism steel wire rope 6, a hoisting mechanism steel wire rope 7, a trolley frame 8, a trolley wheel group 9, a double-rate eight-rope grab bucket lifting appliance 10, a head part 11, a cross beam 12, a pull rod 13 and a bucket part 14.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 6, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a double-rate eight-rope grab bucket hoisting trolley by improvement, as shown in figures 1-6, the double-rate eight-rope grab bucket hoisting trolley comprises a trolley frame 8 and a double-rate eight-rope grab bucket lifting appliance 10, one side of the top of the trolley frame 8 is connected with a hoisting mechanism 1 through a bolt, one side or two sides of the top of the trolley frame 8, which are close to the hoisting mechanism 1, are connected with a brake 2 for the hoisting mechanism through bolts, a motor inside the hoisting mechanism 1 runs, the hoisting reel rotates, a steel wire rope 7 for the hoisting mechanism is wound outside the hoisting reel to pull the steel wire rope 7 for the hoisting mechanism, one side of the top of the trolley frame 8, which is far away from the brake 2 for the hoisting mechanism, is connected with an opening and closing mechanism 4 through a bolt, the opening and closing reel is arranged outside the opening and closing mechanism 4, one side of the top, two opening and closing mechanism steel wire ropes 6 are wound outside the opening and closing winding drum, two lifting mechanism steel wire ropes 7 are wound outside the lifting winding drum, a motor inside the lifting mechanism 1 runs, the lifting winding drum rotates, the lifting mechanism steel wire ropes 7 are wound outside the lifting winding drum, the lifting mechanism steel wire ropes 7 are pulled, the two lifting mechanism steel wire ropes 7 are wound in parallel and are slightly in an inverted splayed mode, the two opening and closing mechanism steel wire ropes 6 enter from a rope guide hole above a double-rate eight-rope grab bucket lifting appliance 10 and are wound out on two sides, the mutual drag force of the mode of arranging the steel wire ropes is utilized, and the anti-swing and anti-deflection functions of the lifting appliance are realized through the winding method of a rope system.
Furthermore, a trolley running driving mechanism 3 is connected to the middle position of one side of the top of the trolley frame 8 through a bolt, the trolley running driving mechanism 3 is composed of a brake motor and a speed reducer, and the brake motor of the trolley running driving mechanism 3 is started to drive the opening and closing mechanism steel wire rope 6 and the lifting mechanism steel wire rope 7 to be pulled up and dropped down.
Further, the both sides of dolly frame 8 bottom all have dolly wheelset 9 through bolted connection, dolly wheelset 9 comprises action wheel and follow driving wheel, and one side of dolly frame 8 is provided with a plurality of fixed point, and two are wound down from the reel that rises and the switching reel respectively to switching mechanism wire rope 6 and hoisting mechanism wire rope 7, and 4 fixed points on passing through the assembly pulley of two multiplying factor eight rope grab bucket hoist 10 and winding back to dolly frame 8, and traditional mechanism is lug connection and can't wind back.
Furthermore, the number of fixed points is four, opening and closing mechanism wire rope 6 and hoisting mechanism wire rope 7 are connected on the fixed point through wire rope wedge cover and lantern ring, 4 fixed points on trolley frame 8 are convoluteed back through the assembly pulley of two multiplying factor eight rope grab bucket hoist 10, 4 fixed points can be fixed with the lantern ring with wire rope wedge cover, because 4 ropes are convoluteed down from opening and closing mechanism 4 and hoisting mechanism 1 two mechanisms, and 4 ropes through the convoluteing, so bear the weight of hoist (suspended object) and be 8 ropes, so for grab bucket crane trolley be 8/4 ═ 2 (multiplying power), compare tradition, the moment of torsion that is equivalent to the output subtracts half, and the cost of the grab bucket trolley that does not have the multiplying power than traditional two-beam crane is low.
Furthermore, pulley blocks are connected to two sides of the double-rate eight-rope grab bucket lifting appliance 10 through bolts, and the opening and closing mechanism steel wire rope 6 and the lifting mechanism steel wire rope 7 are wound on four fixed points through the pulley blocks.
Furthermore, two hoisting mechanism wire ropes 7 are parallelly wound and connected in an inverted splayed mode, a plurality of rope guide holes are formed in the top of the double-rate splayed rope grab hanger 10, and the two opening and closing mechanism wire ropes 6 enter through the rope guide holes and are wound out from two sides of the double-rate splayed rope grab hanger 10.
Furthermore, the number of the two opening and closing mechanism steel wire ropes 6 wound back through the pulley block is two, and the number of the two hoisting mechanism steel wire ropes 7 wound back through the pulley block is two.
Further, the double-rate eight-rope grab bucket lifting appliance 10 is composed of a head assembly 11, a cross beam assembly 12, a pull rod assembly 13 and a bucket assembly 14, the pull rod assembly 13 is rotatably connected to two sides of the bottom of the head assembly 11 through a rotating shaft, the bucket assembly 14 is rotatably connected to the bottom of the pull rod assembly 13 through a rotating shaft, the cross beam assembly 12 is connected to the top of the bucket assembly 14 through bolts, the double-rate eight-rope grab bucket lifting appliance 10 is innovated relative to the traditional method, no steel wire rope fixing points are arranged on the double-rate eight-rope grab bucket lifting appliance 10, two lifting steel wire ropes are symmetrically added to two sides above the lifting appliance to wind recycled pulley blocks, and the number of pulleys for opening and closing the steel wire.
The working principle is as follows: the motor in the hoisting mechanism 1 operates, the hoisting drum rotates, the hoisting mechanism steel wire rope 7 is wound outside the hoisting drum, the hoisting mechanism steel wire rope 7 is pulled, the two hoisting mechanism steel wire ropes 7 are wound in parallel and are slightly in an inverted V-shaped mode, the two opening and closing mechanism steel wire ropes 6 enter from a rope guide hole above the double-rate eight-rope grab bucket lifting appliance 10 and then are wound out from two sides, the mode depends on the mutual drag force of the arrangement mode of the steel wire ropes, the anti-swing and anti-deflection functions of the lifting appliance are realized by the winding method of a rope system, the opening and closing mechanism steel wire ropes 6 and the hoisting mechanism steel wire ropes 7 are respectively wound from the hoisting drum and the opening and closing drum to two, the opening and closing mechanism steel wire ropes 6 and the hoisting mechanism steel wire ropes 7 are wound back to 4 fixed points on the trolley frame 8 through a pulley block of the double-rate eight-rope grab bucket lifting appliance 10, the traditional mechanism is directly connected and cannot be wound back, the 4 fixed points can be, the 4 ropes that go back through the wind in addition, so bear the weight of hoist (lifting things) and be 8 ropes, so for grab bucket trolley be 8/4 become 2 (multiplying power), compare tradition, the moment of torsion that is equivalent to the output is halved, and the cost of the grab bucket trolley that does not have multiplying power than traditional two-beam crane is low, the eight rope grab bucket hoist 10 of rate is also innovated relatively the tradition, no wire rope fixed point on the eight rope grab bucket hoist 10 of rate, hoist top both sides symmetry has increased two and has risen the assembly pulley of wire rope wind retrieval and utilization, the pulley quantity of switching wire rope has also increased half for the tradition.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. Two times of power eight ropes grab bucket trolley, its characterized in that: comprises a trolley frame (8) and a double-rate eight-rope grab bucket lifting appliance (10), wherein one side of the top of the trolley frame (8) is connected with a lifting mechanism (1) through a bolt, one side or two sides of the top of the trolley frame (8) close to the hoisting mechanism (1) are connected with a brake (2) for the hoisting mechanism through bolts, one side of the top of the trolley frame (8) far away from the brake (2) for the hoisting mechanism is connected with an opening and closing mechanism (4) through a bolt, an opening and closing winding drum is arranged outside the opening and closing mechanism (4), one side of the top of the trolley frame (8) far away from the hoisting mechanism (1) is connected with a brake (5) for the opening and closing mechanism through a bolt, the inside of hoisting mechanism (1) is provided with and plays to rise the reel, the outside of switching reel is around being equipped with two switching mechanism wire rope (6), play to rise the outside of reel and around being equipped with two hoisting mechanism wire rope (7).
2. The double-rate eight-rope grab trolley according to claim 1, wherein: the middle position of one side of the top of the trolley frame (8) is connected with a trolley running driving mechanism (3) through a bolt, and the trolley running driving mechanism (3) consists of a brake motor and a speed reducer.
3. The double-rate eight-rope grab trolley according to claim 1, wherein: the trolley is characterized in that two sides of the bottom of the trolley frame (8) are respectively connected with a trolley wheel set (9) through bolts, each trolley wheel set (9) is composed of a driving wheel and a driven wheel, and a plurality of fixed points are arranged on one side of the trolley frame (8).
4. The double-rate eight-rope grab trolley according to claim 3, wherein: the number of the fixed points is four, and the opening and closing mechanism steel wire rope (6) and the hoisting mechanism steel wire rope (7) are connected to the fixed points through the steel wire rope wedge sleeve and the lantern ring.
5. The double-rate eight-rope grab trolley according to claim 1, wherein: the two sides of the two-multiplying-power eight-rope grab bucket lifting appliance (10) are connected with pulley blocks through bolts, and the opening and closing mechanism steel wire rope (6) and the lifting mechanism steel wire rope (7) are wound on four fixed points through the pulley blocks.
6. The double-rate eight-rope grab trolley according to claim 1, wherein: the two hoisting mechanism steel wire ropes (7) are parallelly wound and connected in an inverted splayed mode, a plurality of rope guide holes are formed in the top of the two-multiplying-power splayed grab bucket lifting appliance (10), and the two opening and closing mechanism steel wire ropes (6) enter through the rope guide holes and are wound out from two sides of the two-multiplying-power splayed grab bucket lifting appliance (10).
7. The double-rate eight-rope grab trolley according to claim 1, wherein: the number of the two opening and closing mechanism steel wire ropes (6) wound back through the pulley block is two, and the number of the two lifting mechanism steel wire ropes (7) wound back through the pulley block is two.
8. The double-rate eight-rope grab trolley according to claim 1, wherein: two multiplying power eight ropes grab bucket hoist (10) comprise head assembly (11), crossbeam assembly (12) and pull rod assembly (13) and bucket portion assembly (14), pull rod assembly (13) rotate the both sides of connecting in head assembly (11) bottom through the pivot, bucket portion assembly (14) rotate the bottom of connecting at pull rod assembly (13) through the pivot, crossbeam assembly (12) are through bolted connection at the top of bucket portion assembly (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010161096.5A CN111170152A (en) | 2020-03-10 | 2020-03-10 | Double-power eight-rope grab trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010161096.5A CN111170152A (en) | 2020-03-10 | 2020-03-10 | Double-power eight-rope grab trolley |
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| Publication Number | Publication Date |
|---|---|
| CN111170152A true CN111170152A (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010161096.5A Pending CN111170152A (en) | 2020-03-10 | 2020-03-10 | Double-power eight-rope grab trolley |
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| Country | Link |
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| CN (1) | CN111170152A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113860164A (en) * | 2021-09-09 | 2021-12-31 | 法兰泰克重工股份有限公司 | Rotary grab bucket trolley |
-
2020
- 2020-03-10 CN CN202010161096.5A patent/CN111170152A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113860164A (en) * | 2021-09-09 | 2021-12-31 | 法兰泰克重工股份有限公司 | Rotary grab bucket trolley |
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