CN112320602A - A play to rise wire rope and prevent disconnected rope device for tower crane - Google Patents

A play to rise wire rope and prevent disconnected rope device for tower crane Download PDF

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Publication number
CN112320602A
CN112320602A CN202011048360.0A CN202011048360A CN112320602A CN 112320602 A CN112320602 A CN 112320602A CN 202011048360 A CN202011048360 A CN 202011048360A CN 112320602 A CN112320602 A CN 112320602A
Authority
CN
China
Prior art keywords
wire rope
steel wire
crane
plate
tower crane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011048360.0A
Other languages
Chinese (zh)
Inventor
许四堆
李卫东
石剑波
石雪峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anta Fujian Mechanical Equipment Industry Co ltd
Original Assignee
Anta Fujian Mechanical Equipment Industry Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anta Fujian Mechanical Equipment Industry Co ltd filed Critical Anta Fujian Mechanical Equipment Industry Co ltd
Priority to CN202011048360.0A priority Critical patent/CN112320602A/en
Publication of CN112320602A publication Critical patent/CN112320602A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00Safety gear
    • B66C15/02Safety gear for retaining load-engaging elements in the event of rope or cable breakage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02Driving gear
    • B66D1/12Driving gear incorporating electric motors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/54Safety gear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D5/00Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
    • B66D5/02Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
    • B66D5/04Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes actuated by centrifugal force
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D5/00Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
    • B66D5/02Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
    • B66D5/16Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes for action on ropes or cables

Abstract

The invention discloses a lifting steel wire rope breakage prevention device for a tower crane, which comprises a crane, an end plate and a stand column, wherein the upper end of the end plate is fixedly connected with the crane, the outer wall of the end plate is provided with a winding and unwinding assembly, the winding and unwinding assembly comprises a first supporting seat, an auxiliary steel wire rope, a grooved pulley, a material roller, a servo motor, a bearing, a first vertical plate and a main steel wire rope, the outer side of the grooved pulley is attached and connected with the main steel wire rope, and the upper end of the main steel wire rope is wound and connected with a winding and unwinding roller wheel in the crane. This a play to rise wire rope and prevent disconnected rope device for tower crane, structure scientific and reasonable, convenience safe in utilization is provided with main wire rope, pulley, material roller, disc, pawl, ratchet, rings, servo motor and assistance wire rope, and the material roller accessible is assisted wire rope and is pulled rings and lift by crane article, has avoided holding partial wire rope through one side when the wire rope fracture and has blocked the problem that the focus skew appears easily in the position of lifting by crane article and rock and lead to having the potential safety hazard.

Description

A play to rise wire rope and prevent disconnected rope device for tower crane
Technical Field
The invention relates to the technical field of tower cranes, in particular to a lifting steel wire rope breakage prevention device for a tower crane.
Background
The tower crane is the most common hoisting equipment on the building site, also known as a tower crane, and is lengthened and raised one section by one section, referred to as a standard section for short, and used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction.
Disclosure of Invention
The invention aims to provide a lifting steel wire rope breakage prevention device for a tower crane, and aims to solve the problem that potential safety hazards are caused due to the fact that when a steel wire rope is broken, a part of the steel wire rope needs to be clamped by one side to clamp a lifted object, gravity center deviation is easy to occur and the steel wire rope shakes.
In order to achieve the purpose, the invention provides the following technical scheme: a hoisting steel wire rope breakage prevention device for a tower crane comprises a crane, end plates and stand columns, wherein a plurality of end plates are arranged below the crane, the stand columns are fixedly connected to four corners of the inner sides of the end plates, the upper ends of the end plates above the end plates are fixedly connected with the crane, and a winding and unwinding assembly is arranged on the outer wall of each end plate;
the take-up and pay-off assembly comprises a first supporting seat, an auxiliary steel wire rope, a grooved pulley, a material roller, a servo motor, a bearing, a first vertical plate and a main steel wire rope;
the inside pivot left and right sides of material roller all rotates with the riser through the bearing and links to each other, the upper and lower both sides of riser all link to each other with the end plate is fixed, the inside pivot right-hand member of material roller links to each other with servo motor's output shaft is fixed, servo motor links to each other with the inboard of right side stand is fixed, the outer wall winding of material roller has supplementary wire rope, the lower extreme the equal rigid coupling in both ends has first supporting seat about the lower extreme center left and right sides of end plate, the inside of first supporting seat rotates and links to each other there is the sheave, and is inboard the inboard of sheave links to each other with the laminating of supplementary wire rope, the outside of sheave links to each other with the laminating of main wire rope, the upper end of main wire rope is continuous with the inside.
Preferably, the main steel wire ropes are distributed in an axisymmetrical manner by taking the vertical center of the crane as a reference.
Preferably, the front end of the material roller is provided with a rope breakage preventing assembly;
the anti-broken rope assembly comprises a second pin shaft, a pawl, a first pin shaft, a base, a ratchet wheel, a disc, a second supporting seat and a spring;
the material pipe comprises a material pipe and is characterized in that a disc is fixedly connected to the outer wall of the front end of an inner rotating shaft of the material pipe, the left side of the front end of the disc is rotationally connected with a pawl through a first pin shaft, the upper portion of the right end of the pawl and the right side of the front end of the disc are connected with a second supporting seat through a second pin shaft, a spring is arranged on the inner side of the second supporting seat, two ends of the spring are fixedly connected with the second supporting seat, a ratchet wheel is arranged on the outer wall of the disc, and the lower end of the.
Preferably, a clockwise one-way clamping structure is formed between the pawl and the ratchet wheel.
Preferably, the lower ends of the main steel wire rope and the auxiliary steel wire rope are provided with a lifting hook assembly;
the lifting hook assembly comprises a bottom plate, a third pin shaft, a second vertical plate, a lifting hook and a sliding block;
the upper end center of bottom plate links to each other with the assistance wire rope is fixed, the inside pulley that is provided with of lower extreme of bottom plate, both sides are provided with the second riser around the outer wall of bottom plate, the inside of second riser and slider all rotates with the bottom plate through the third round pin axle and links to each other, the lower extreme rigid coupling of second riser has the lifting hook.
Preferably, the upper end of the crane is fixedly connected with a top plate, and a plurality of rollers are rotatably connected inside the upper end of the top plate.
Compared with the prior art, the invention has the beneficial effects that: this a play to rise wire rope and prevent disconnected rope device for tower crane, structure scientific and reasonable, convenience safe in utilization:
the material roller and the disc can generate larger centrifugal force when rotating, so that the pawl can overcome the centrifugal force to rotate outwards, the material roller can stop rotating under the clamping effect between the pawl and the ratchet wheel when rotating rapidly, and the material roller can pull the lifting ring and the lifted object through the auxiliary steel wire rope when the main steel wire rope is broken, thereby avoiding the problem that the position of the lifted object is easy to shift in gravity center and shake to cause potential safety hazards when the main steel wire rope is broken.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of the end plate, the column and the ratchet of FIG. 1;
FIG. 3 is a schematic view of the crane, pawl and first pin of FIG. 1;
fig. 4 is a schematic structural view of the bottom plate, the pulleys and the main wire rope in fig. 1.
In the figure: 1. the crane, 2, receive and release subassembly, 201, first supporting seat, 202, auxiliary steel cable, 203, sheave, 204, material roller, 205, servo motor, 206, bearing, 207, first riser, 208, main steel cable, 3, prevent disconnected rope subassembly, 301, second round pin axle, 302, pawl, 303, first round pin axle, 304, base, 305, ratchet, 306, disc, 307, second supporting seat, 308, spring, 4, hook subassembly, 401, bottom plate, 402, third round pin axle, 403, second riser, 404, lifting hook, 405, pulley, 5, roof, 6, running roller, 7, stand, 8, end plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Referring to fig. 1-4, the present invention provides a technical solution: a hoisting steel wire rope breakage prevention device for a tower crane comprises a crane 1, end plates 8 and columns 7, wherein a plurality of end plates 8 are arranged below the crane 1, the columns 7 are fixedly connected to four corners of the inner sides of the end plates 8, the crane 1 can drive the end plates 8 to move, the upper end of the upper end plate 8 is fixedly connected with the crane 1, a winding and unwinding assembly 2 is arranged on the outer wall of the end plate 8, the winding and unwinding assembly 2 comprises a first supporting seat 201, an auxiliary steel wire rope 202, a sheave 203, a material roller 204, a servo motor 205, a bearing 206, a first vertical plate 207 and a main steel wire rope 208, the left side and the right side of an inner rotating shaft of the material roller 204 are rotatably connected with the first vertical plate 207 through the bearing 206, the first vertical plate 207 can rotatably support a material pipe 204, the upper side and the lower side of the first vertical plate 207 are fixedly connected with the end plates 8, the right end of the inner rotating shaft of the material roller 204 is fixedly connected with an output shaft of the servo, the servo motor 205 is fixedly connected with the inner side of the right upright post 7, an output shaft of the servo motor 205 can drive the material pipe 204 to rotate, the outer wall of the material roller 204 is wound with the auxiliary steel wire rope 202, the left side and the right side of the center of the lower end plate 8 are fixedly connected with the first supporting seats 201, the first supporting seats 201 are connected with the grooved wheels 203 in a rotating mode, the stretching directions of the main steel wire rope 208 and the auxiliary steel wire rope 202 can be changed through the plurality of grooved wheels 203, the inner side of the inner grooved wheels 203 is connected with the auxiliary steel wire rope 202 in an attaching mode, the outer side of the outer grooved wheels 203 is connected with the main steel wire rope 208 in an attaching mode, the upper end of the main steel wire rope 208 is connected with the inner retractable roller of the.
The front end of the material roller 204 is provided with a rope breakage preventing component 3, the rope breakage preventing component 3 comprises a second pin shaft 301, a pawl 302, a first pin shaft 303, a base 304, a ratchet 305, a disc 306, a second supporting seat 307 and a spring 308, the disc 306 is fixedly connected on the outer wall of the front end of an internal rotating shaft of the material pipe 204, the material roller 204 can drive the disc 306 to rotate, the left side of the front end of the disc 306 is rotatably connected with the pawl 302 through the first pin shaft 303, the pawl 302 can rotate through the first pin shaft 303, the upper part of the right end of the pawl 302 and the right side of the front end of the disc 306 are rotatably connected with the second supporting seat 307 through the second pin shaft 301, the inner side of the second supporting seat 307 is provided with the spring 308, the elastic coefficient K of the spring 308 is 500N/m, the spring 308 can be stretched along with the rotation of the pawl 302, two ends of the spring 308 are fixedly connected with, the lower end of the ratchet 305 is fixedly connected with the lower end plate 8 through the base 304, and a clockwise one-way clamping structure can be formed between the pawl 302 and the ratchet 305, and the pawl 302 rotates outwards and rotates clockwise in a matching manner, so that the position limitation of the ratchet 305 on the pawl 302 can be realized.
The lower ends of the main steel wire rope 208 and the auxiliary steel wire rope 202 are provided with a hook component 4, the hook component 4 comprises a bottom plate 401, a third pin shaft 402, a second vertical plate 403, a hook 404 and a sliding block 405, the center of the upper end of the bottom plate 401 is fixedly connected with the auxiliary steel wire rope 202, a pulley 405 is arranged inside the lower end of the bottom plate 401, the pulley 405 is attached to the main steel wire rope 208, the pulley 405 can move downwards by enabling the main steel wire rope 208 to be lowered to be long, the second vertical plate 403 is arranged on the front side and the rear side of the outer wall of the bottom plate 401, the bottom plate 401 can drive the hook 404 to move synchronously through the second vertical plate 403, the insides of the second vertical plate 403 and the sliding block 405 are rotatably connected with the bottom plate 401 through the third pin shaft 402, the hook 404 is fixedly connected to the lower end of the second vertical plate, the upper end of the crane 1 is fixedly connected with a top plate 5, the upper, the main wire rope 208 is constantly in a taut state and the auxiliary wire rope 202 is in a slack state.
When the anti-broken rope device for the hoisting steel wire rope of the tower crane is required to be used, firstly, a user can firstly install the top plate 5 and the roller 6 above the crane 1 on a beam of the tower crane, so that the crane 1 can transversely move through the top plate 5 and the roller 6, then when the anti-broken rope device is used, the crane 1 can control the internal retracting roller to rotate, so that the main steel wire rope 208 is paid off, the hook 404 can downwards move to a specific height under the self weight, then an object to be lifted is hung on the hook 404, the hook 404 and the lifted object are driven to upwards move through the main steel wire rope 208 by the rotation of the internal retracting roller of the crane 1 and the starting of the servo motor 205, and if the main steel wire rope 208 is broken in the using process, the main steel wire rope 208 can not lift the pulley 405, at the moment, the pulley 405 and the lifted object can quickly fall to the ground, at the moment, the bottom plate 401 can drive the material roller 204 and the, the disc 306 can generate larger centrifugal force, the pawl 302 can overcome the centrifugal force to rotate outwards, after the pawl 302 rotates within the range of the disc 306, a clamping connection is formed between the pawl 302 and the ratchet wheel 305, the material roller 204 is clamped and stopped rotating by the clamping connection between the pawl 302 and the ratchet wheel 305 at the moment of fast rotation, when the main steel wire rope 208 is broken, the material roller 204 can pull the hanging ring 404 and a lifted object through the auxiliary steel wire rope 202, and finally the hanging ring 404 and the lifted object can be pulled to a high position for maintenance through the servo motor 205, so that the problem that when the steel wire rope is broken, the position where a part of the steel wire rope is clamped by one side, the gravity center is easy to shift and the lifting object is easy to shake, and the potential safety.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
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 (6)

1. The utility model provides a play to rise wire rope and prevent disconnected rope device for tower crane, includes crane (1), end plate (8) and stand (7), the below of crane (1) is provided with a plurality of end plate (8), and is a plurality of the equal rigid coupling in inboard four corners of end plate (8) has stand (7), top the upper end of end plate (8) links to each other its characterized in that with crane (1) is fixed: the outer wall of the end plate (8) is provided with a retraction assembly (2);
the winding and unwinding assembly (2) comprises a first supporting seat (201), an auxiliary steel wire rope (202), a grooved pulley (203), a material roller (204), a servo motor (205), a bearing (206), a first vertical plate (207) and a main steel wire rope (208);
the left side and the right side of an internal rotating shaft of the material roller (204) are rotationally connected with a first vertical plate (207) through bearings (206), the upper side and the lower side of the first vertical plate (207) are fixedly connected with an end plate (8), the right end of an internal rotating shaft of the material roller (204) is fixedly connected with an output shaft of a servo motor (205), the servo motor (205) is fixedly connected with the inner side of the right upright post (7), the outer wall of the material roller (204) is wound with an auxiliary steel wire rope (202), the left side and the right side of the center of the lower end of the end plate (8) and the left end and the right end of the center of the lower end of the end plate are fixedly connected with first supporting seats (201), the inner part of the first supporting seat (201) is rotatably connected with a grooved pulley (203), the inner side of the grooved pulley (203) at the inner side is jointed and connected with an auxiliary steel wire rope (202), the outer side of the grooved pulley (203) at the outer side is jointed and connected with a main steel wire rope (208), the upper end of the main steel wire rope (208) is wound and connected with an inner take-up and pay-off roller of the crane (1).
2. The hoisting steel wire rope breakage preventing device for the tower crane according to claim 1, characterized in that: the main steel wire ropes (208) are distributed in an axisymmetrical mode by taking the vertical center of the crane (1) as a reference.
3. The hoisting steel wire rope breakage preventing device for the tower crane according to claim 1, characterized in that: the front end of the material roller (204) is provided with a rope breakage preventing component (3);
the rope breakage preventing assembly (3) comprises a second pin shaft (301), a pawl (302), a first pin shaft (303), a base (304), a ratchet wheel (305), a disc (306), a second supporting seat (307) and a spring (308);
disc (306) rigid coupling is at the inside pivot front end outer wall of material pipe (204), the front end left side of disc (306) rotates with pawl (302) through first round pin axle (303) and links to each other, the right-hand member top of pawl (302) and the front end right side of disc (306) all rotate with second supporting seat (307) through second round pin axle (301) and link to each other, the inboard of second supporting seat (307) is provided with spring (308), the both ends and the second supporting seat (307) of spring (308) are fixed continuous, the outer wall of disc (306) is provided with ratchet (305), the lower extreme of ratchet (305) passes through base (304) and links to each other with lower extreme end plate (8) is fixed.
4. The hoisting steel wire rope breakage preventing device for the tower crane according to claim 3, characterized in that: the pawl (302) and the ratchet wheel (305) can form a clockwise one-way clamping structure.
5. The hoisting steel wire rope breakage preventing device for the tower crane according to claim 1, characterized in that: the lower ends of the main steel wire rope (208) and the auxiliary steel wire rope (202) are provided with a lifting hook component (4);
the lifting hook component (4) comprises a bottom plate (401), a third pin shaft (402), a second vertical plate (403), a lifting hook (404) and a sliding block (405);
the upper end center of bottom plate (401) links to each other with assistance wire rope (202) is fixed, the inside pulley (405) that is provided with of lower extreme of bottom plate (401), the outer wall and the laminating of main wire rope (208) of pulley (405) mutually, both sides are provided with second riser (403) around the outer wall of bottom plate (401), the inside of second riser (403) and slider (405) all rotates with bottom plate (401) through third round pin axle (402) and links to each other, the lower extreme rigid coupling of second riser (403) has lifting hook (404).
6. The hoisting steel wire rope breakage preventing device for the tower crane according to claim 1, characterized in that: the upper end of the crane (1) is fixedly connected with a top plate (5), and a plurality of rollers (6) are rotatably connected inside the upper end of the top plate (5).
CN202011048360.0A 2020-09-29 2020-09-29 A play to rise wire rope and prevent disconnected rope device for tower crane Pending CN112320602A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011048360.0A CN112320602A (en) 2020-09-29 2020-09-29 A play to rise wire rope and prevent disconnected rope device for tower crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011048360.0A CN112320602A (en) 2020-09-29 2020-09-29 A play to rise wire rope and prevent disconnected rope device for tower crane

Publications (1)

Publication Number Publication Date
CN112320602A true CN112320602A (en) 2021-02-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011048360.0A Pending CN112320602A (en) 2020-09-29 2020-09-29 A play to rise wire rope and prevent disconnected rope device for tower crane

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113003413A (en) * 2021-02-23 2021-06-22 机械工业第九设计研究院有限公司 Shear type guide stabilizing mechanism matched with electric hoist system
CN113460905A (en) * 2021-06-03 2021-10-01 安徽绿洲危险废物综合利用有限公司 Automatic copper plate hanging device for etching solution copper recovery system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113003413A (en) * 2021-02-23 2021-06-22 机械工业第九设计研究院有限公司 Shear type guide stabilizing mechanism matched with electric hoist system
CN113460905A (en) * 2021-06-03 2021-10-01 安徽绿洲危险废物综合利用有限公司 Automatic copper plate hanging device for etching solution copper recovery system

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