CN201367309Y - Safe belt-type brake used for large cantilever crane - Google Patents

Safe belt-type brake used for large cantilever crane Download PDF

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Publication number
CN201367309Y
CN201367309Y CNU200920035748XU CN200920035748U CN201367309Y CN 201367309 Y CN201367309 Y CN 201367309Y CN U200920035748X U CNU200920035748X U CN U200920035748XU CN 200920035748 U CN200920035748 U CN 200920035748U CN 201367309 Y CN201367309 Y CN 201367309Y
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CN
China
Prior art keywords
belt body
brake
belt
connecting panel
collar
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.)
Expired - Lifetime
Application number
CNU200920035748XU
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Chinese (zh)
Inventor
顾龙标
商伟军
胡桂君
王守岗
刘正连
钱勇强
邵珂
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.)
Changzhou Changkuang Hoisting Machinery Co Ltd
Original Assignee
Changzhou Changkuang Hoisting Machinery 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 Changzhou Changkuang Hoisting Machinery Co Ltd filed Critical Changzhou Changkuang Hoisting Machinery Co Ltd
Priority to CNU200920035748XU priority Critical patent/CN201367309Y/en
Application granted granted Critical
Publication of CN201367309Y publication Critical patent/CN201367309Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a safe belt-type brake used for a large cantilever crane. The safe belt-type brake is provided with a cover plate and a brake disc which is arranged in the cover plate; the circumferential end surface of the brake disc is provided with a brake belt; the tail end of the brake belt is connected on a fixed frame; the front end of the brake belt is connected with one end of a lever; the other end of the lever is connected with a hydraulic cylinder component; the brake belt comprises three belt bodies that are connected in a '-=' shape, wherein the first belt body and the second belt body are intermittently arranged in parallel with the spacing width matched with the third belt body; the tail ends of the first belt body and the second belt body are connected with the fixed frame respectively; the tail end of the third belt body is connected with the front ends of the first belt body and the second belt body; the front end of the third belt body is connected with the lever; the total length of the brake belt is greater than the circumferential length of the brake disc; and the superposed part of the rear part of the third belt body and the first belt body as well as the second belt body is arranged between the first belt body and the second belt body. The safe belt-type brake can realize that the brake belt can brake around the circumferential end surface of the brake disc by 540 degrees, and has reliable braking performance and stable operation.

Description

Be used for large-scale jib crane safety external contracting drum brake
Technical field
The utility model relates to a kind of large scale hoisting machinery, particularly a kind ofly is used for large-scale jib crane safety external contracting drum brake.
Background technology
Hoisting crane is many actions elevator machinery of vertical-lift within the specific limits and horizontal carrying heavy goods, claims crane again, belongs to material handling machinery.Jib-type crane can circle and on idle job, be used for work such as open-air loading and unloading and installation more.
The sure brake of hoisting crane claims accident brake again, and the different in kind of sure brake and service brake only under the emergency state or work under the safety guard-safeguard state, requires to have bigger braking force and higher reliability.The sure brake of general hoisting crane mostly adopts plate disc brake or external contracting drum brake; The plate disc brake braking principle is succinctly reliable, and the response of closing a floodgate is fast, and at the combined floodgate glancing impact, brake scotch is axial to the application force of brake disc, and the impulsive force that brake disc is born is very little, has therefore obtained being extensive use of.Yet the brake scotch of this plate disc brake is owing to be to brake from the side of brake disc, so structure is relatively big, is not suitable for being installed on the large-scale jib hoisting crane.Though and external contracting drum brake is fit to be installed on the large-scale jib hoisting crane, but existing external contracting drum brake adopts the 270 degree cornerite brakings of a brake collar usually, braking effect is undesirable, when emergency appears in the lifting large and heavy objects, particularly in lifting, take place out of supply, when slipping the hook accident, effectively emergency braking prevents the generation of accident.
The utility model content
The purpose of this utility model be to provide a kind of simple in structure, good braking effect, convenient install be used for large-scale jib crane safety external contracting drum brake.
The technical scheme that realizes the utility model purpose is: a kind ofly be used for large-scale jib crane safety external contracting drum brake, have cover plate and be arranged on the interior brake disc of cover plate, the brake disc circumferential end surfaces is provided with brake collar, the end joint connection of brake collar is on fixed mount, the front end of brake collar is connected an end of lever, and the other end of lever is connected with the hydraulic ram assembly; Described brake collar is made up of three belt bodies, three belt bodies are " one or two " shape and connect, and wherein first belt body and the second belt body parallel interval are provided with, and its interval width and the 3rd belt body match, the tail end of first belt body and second belt body promptly is the tail end of brake collar, is connected with fixed mount; The 3rd belt body tail end is connected with the front end of first belt body with second belt body, and the front end of the 3rd belt body promptly is the front end of brake collar, is connected with lever; The overall length of brake collar is greater than the brake disc circumferential length, the 3rd belt body rear portion and first belt body, second belt body) intersection is between first belt body and second belt body.
Above-mentioned first belt body and the second belt body coiling Moving plate circumferential end surfaces, 270 degree that are used for large-scale jib crane safety external contracting drum brake, the 3rd belt body coiling Moving plate circumferential end surfaces 270 degree.
Above-mentioned the 3rd belt body tail end that is used for the brake collar of large-scale jib crane safety external contracting drum brake is connected employing pivotally attached connection mode with the front end of first belt body, second belt body.
Above-mentioned the 3rd belt body tail end outside that is used for the brake collar of large-scale jib crane safety external contracting drum brake is provided with the 3rd connecting panel, described first belt body and the second belt body front end outside respectively are provided with first connecting panel and second connecting panel, respectively be provided with hinge hole on first connecting panel, second connecting panel and the 3rd connecting panel, it is hinged with the 3rd belt body and first belt body, second belt body that bearing pin passes each hinge hole.
Bearing pin between above-mentioned first connecting panel and second connecting panel that is used for large-scale jib crane safety external contracting drum brake, between second connecting panel and the 3rd connecting panel is provided with locating bush.
Be provided with adjusting part between the front end of the above-mentioned brake collar that is used for large-scale jib crane safety external contracting drum brake and the lever, described adjusting part is made up of adjusting screw(rod) and setting nut.
The utlity model has following characteristics: (1) the utility model adopts the array mode of three belt bodies, can realize the 540 degree cornerite brakings of brake collar coiling Moving plate circumferential end surfaces, compare with existing belt sure brake and to have bigger braking force and the reliability of Geng Gao, simultaneously because employing 540 degree cornerites brakings make when braking is also worked than existing belt sure brake more steady; (2) adopt the pivotally attached connection mode between the 3rd belt body of the present utility model and first, second belt body, make that its junction transition is steady, install and keep in repair convenient; (3) pass through locating bush between each belt body connecting panel of the present utility model at interval, make each belt body accurate positioning can not overlap phenomenon; (4) be provided with adjusting part between the front end of brake collar of the present utility model and the lever, can adjust the degree of tightness relation between brake collar and the brake disc as required, guarantee effective work of safety arrestment.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the utility model is described in further detail, wherein
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an A-A cutaway view among Fig. 1.
The specific embodiment
See Fig. 1 and Fig. 2, the utlity model has cover plate 1 and be arranged on the interior brake disc 2 of cover plate, brake disc 2 circumferential end surfaces are provided with brake collar 3, and the end joint connection of brake collar 3 is on fixed mount 4, the front end of brake collar 3 is connected an end of lever 5, and the other end of lever 5 is connected with hydraulic ram assembly 6; Above-mentioned brake collar 3 is made up of three belt bodies, three belt bodies are " one or two " shape and connect, wherein first belt body 31 and the 32 parallel interval settings of second belt body, and its interval width and the 3rd belt body 33 match, the tail end of first belt body 31 and second belt body 32 promptly is the tail end of brake collar 3, is connected with fixed mount 4; The 3rd belt body 33 tail ends are connected with the front end of first belt body 31 and second belt body 32, the front end of the 3rd belt body 33 promptly is the front end of brake collar 3, be connected with lever 5, be provided with adjusting part 8 between the front end of brake collar 3 and the lever 5, adjusting part 8 is made up of adjusting screw(rod) 81 and setting nut 82; First belt body 31 and second belt body, 32 coiling Moving plate circumferential end surfaces, 270 degree, the 3rd belt body 33 coiling Moving plate circumferential end surfaces 270 degree, the 3rd belt body 33 tail ends and first belt body 31, the front end of second belt body 32 connects employing pivotally attached connection mode, the 3rd belt body 33 tail ends outside that is brake collar 3 is provided with the 3rd connecting panel 331, described first belt body 31 and second belt body, the 32 front ends outside respectively are provided with first connecting panel 311 and second connecting panel 321, first connecting panel 311, respectively be provided with hinge hole on second connecting panel 321 and the 3rd connecting panel 331, bearing pin 34 passes each hinge hole with the 3rd belt body 33 and first belt body 31, second belt body 32 is hinged, between first connecting panel 311 and second connecting panel 321, bearing pin 34 between second connecting panel 321 and the 3rd connecting panel 331 is provided with locating bush 7.

Claims (6)

1, a kind ofly is used for large-scale jib crane safety external contracting drum brake, have cover plate (1) and be arranged on the interior brake disc (2) of cover plate, brake disc (2) circumferential end surfaces is provided with brake collar (3), the end joint connection of brake collar (3) is on fixed mount (4), the front end of brake collar (3) is connected an end of lever (5), and the other end of lever (5) is connected with hydraulic ram assembly (6); It is characterized in that: described brake collar (3) is made up of three belt bodies, three belt bodies are " one or two " shape and connect, wherein first belt body (31) and second belt body (32) parallel interval setting, its interval width and the 3rd belt body (33) match, the tail end of first belt body (31) and second belt body (32) promptly is the tail end of brake collar (3), is connected with fixed mount (4); The 3rd belt body (33) tail end is connected with the front end of first belt body (31) with second belt body (32), and the front end of the 3rd belt body (33) promptly is the front end of brake collar (3), is connected with lever (5); The overall length of brake collar (3) is greater than brake disc (2) circumferential length, and the 3rd belt body (33) rear portion and first belt body (31), second belt body (32) intersection are between first belt body (31) and second belt body (32).
2, according to claim 1ly be used for large-scale jib crane safety external contracting drum brake, it is characterized in that: described first belt body (31) and second belt body (32) coiling Moving plate circumferential end surfaces, 270 degree, the 3rd belt body (33) coiling Moving plate circumferential end surfaces 270 degree.
3, according to claim 2ly be used for large-scale jib crane safety external contracting drum brake, it is characterized in that: the 3rd belt body (33) tail end of described brake collar (3) is connected with the front end of first belt body (31), second belt body (32) and adopts the pivotally attached connection mode.
4, according to claim 3ly be used for large-scale jib crane safety external contracting drum brake, it is characterized in that: the 3rd belt body (33) the tail end outside of described brake collar (3) is provided with the 3rd connecting panel (331), described first belt body (31) and second belt body (32) the front end outside respectively are provided with first connecting panel (311) and second connecting panel (321), respectively be provided with hinge hole on first connecting panel (311), second connecting panel (321) and the 3rd connecting panel (331), it is hinged with the 3rd belt body (33) and first belt body (31), second belt body (32) that bearing pin (34) passes each hinge hole.
5, according to claim 4ly be used for large-scale jib crane safety external contracting drum brake, it is characterized in that: the bearing pin (34) between described first connecting panel (311) and second connecting panel (321), between second connecting panel (321) and the 3rd connecting panel (331) is provided with locating bush (7).
6, according to claim 1ly be used for large-scale jib crane safety external contracting drum brake, it is characterized in that: be provided with adjusting part (8) between the front end of described brake collar (3) and the lever (5), described adjusting part (8) is made up of adjusting screw(rod) (81) and setting nut (82).
CNU200920035748XU 2009-03-20 2009-03-20 Safe belt-type brake used for large cantilever crane Expired - Lifetime CN201367309Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU200920035748XU CN201367309Y (en) 2009-03-20 2009-03-20 Safe belt-type brake used for large cantilever crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU200920035748XU CN201367309Y (en) 2009-03-20 2009-03-20 Safe belt-type brake used for large cantilever crane

Publications (1)

Publication Number Publication Date
CN201367309Y true CN201367309Y (en) 2009-12-23

Family

ID=41486204

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU200920035748XU Expired - Lifetime CN201367309Y (en) 2009-03-20 2009-03-20 Safe belt-type brake used for large cantilever crane

Country Status (1)

Country Link
CN (1) CN201367309Y (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103569888A (en) * 2013-10-31 2014-02-12 宁波捷胜海洋开发有限公司 Deepwater winch provided with brake structure
CN104653661A (en) * 2013-12-10 2015-05-27 中船华南船舶机械有限公司 Emergency release device of normally closed band-type brake
CN105502197A (en) * 2016-01-19 2016-04-20 江苏省无锡探矿机械总厂有限公司 Manual internal contracting brake device
CN105680366A (en) * 2014-11-19 2016-06-15 中国石油化工股份有限公司 Hydraulic cable collecting-releasing apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103569888A (en) * 2013-10-31 2014-02-12 宁波捷胜海洋开发有限公司 Deepwater winch provided with brake structure
CN103569888B (en) * 2013-10-31 2016-02-24 捷胜海洋装备股份有限公司 A kind of deepwater winch with brake structure
CN104653661A (en) * 2013-12-10 2015-05-27 中船华南船舶机械有限公司 Emergency release device of normally closed band-type brake
CN105680366A (en) * 2014-11-19 2016-06-15 中国石油化工股份有限公司 Hydraulic cable collecting-releasing apparatus
CN105680366B (en) * 2014-11-19 2018-06-19 中国石油化工股份有限公司 Fluid pressure type cable winding apparatus
CN105502197A (en) * 2016-01-19 2016-04-20 江苏省无锡探矿机械总厂有限公司 Manual internal contracting brake device

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CX01 Expiry of patent term

Granted publication date: 20091223

CX01 Expiry of patent term