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CN202449751U - Crane limit device - Google Patents

Crane limit device Download PDF

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Publication number
CN202449751U
CN202449751U CN2011204537120U CN201120453712U CN202449751U CN 202449751 U CN202449751 U CN 202449751U CN 2011204537120 U CN2011204537120 U CN 2011204537120U CN 201120453712 U CN201120453712 U CN 201120453712U CN 202449751 U CN202449751 U CN 202449751U
Authority
CN
China
Prior art keywords
cylinder
steel rope
motor
roller
sidewall
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 - Fee Related
Application number
CN2011204537120U
Other languages
Chinese (zh)
Inventor
张中平
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.)
NINGBO XINDACHANG WEAVING CO Ltd
Original Assignee
NINGBO XINDACHANG WEAVING 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 NINGBO XINDACHANG WEAVING CO Ltd filed Critical NINGBO XINDACHANG WEAVING CO Ltd
Priority to CN2011204537120U priority Critical patent/CN202449751U/en
Application granted granted Critical
Publication of CN202449751U publication Critical patent/CN202449751U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Control And Safety Of Cranes (AREA)

Abstract

The utility model belongs to the technical field of cranes and relates to a crane limit device which comprises a roller and a first motor driving the roller to rotate, wherein a steel wire rope is wound on the roller and provided with a free end used for carrying objects, and the steel wire rope is wound on the roller circle by circle from left to right or from right to left. When the roller rotates, the steel wire rope moves in a left-right mode along the lateral wall of the roller. The crane limit device further comprises a sensing device and a control device, and when the steel wire rope moves in the left-right mode along the lateral wall of the roller for a certain distance, the sensing device emits signals, and the control device controls the first motor to stop moving after receiving the signals. Constant observing of the position of the free end of the steel wire rope by an operator is not needed, and position deviation cannot occur.

Description

A kind of crane inhibiting device
Technical field
The utility model relates to a kind of crane, relates to a kind of crane inhibiting device specifically.
Background technology
Crane is mainly used in some heavier and volume is bigger objects of carrying; General crane comprises cylinder and drives said cylinder motor rotating that be wound with steel rope on the said cylinder, said steel rope has a free end that is used to carry article; Said steel rope according to from left to right or dextrosinistral order one circle circle be wrapped on the cylinder; When cylinder rotated, steel rope was along the sidewall sway of cylinder, and the free end of steel rope down or up moves simultaneously.The free end of overhead crane control steel rope down or up moves through manual control motor and realizes, after the steel rope in-position, stops motor and rotates.This mode can be useful on the article of various different sizes; But need the people to observe the free-ended position of steel rope constantly; Very inconvenience, and easy appearance operation is untimely or position judgment is inaccurate, causes the free end of steel rope not arrive perhaps above subscribing the position.For some article that need carry all is same size specification, and the free end of each steel rope all need descend or rise to same position, adopts this method of operation just to become very inconvenient.
Summary of the invention
The utility model provides a kind of crane inhibiting device to deficiency of the prior art, does not need the operator to observe the free-ended position of steel rope constantly, and the accurate positioning of steel rope, speed are fast.
For solving the problems of the technologies described above; The utility model is able to solve through following technical proposals: a kind of crane inhibiting device, comprise cylinder and first motor that drives said cylinder rotation, and be wound with steel rope on the said cylinder; Said steel rope has a free end that is used to carry article; Said steel rope according to from left to right or dextrosinistral order one circle circle be wrapped on the cylinder, when cylinder rotated, steel rope was along the sidewall sway of cylinder; Also comprise induction installation and control setup; When said steel rope during along the sidewall sway of cylinder to certain distance, induction installation sends signal, and control first motor stops operating behind the said control setup received signal.The free-ended position of steel rope and the steel rope position, the left and right sides on cylinder is cooresponding; Therefore, the maximum height of the minimum altitude when descending when rising, left side and the least significant that can extrapolate that the needs of steel rope on cylinder arrive according to steel rope; These two sensitive spots that set positions is an induction installation; In case steel rope arrives these two positions, induction installation just sends signal and gives control setup, and control setup just stops first motor and rotates.So just can guarantee that or each steel rope free end rises decline all just to subscribing the position.Need not operating personal and observe the free-ended position of steel rope constantly, nor position deviation can occur.
In the technique scheme; Preferred a kind of induction installation does; Said induction installation comprises two travel switches, and two said travel switches are arranged on the right and left of said cylinder, when said steel rope contacts with said travel switch during to certain distance along the sidewall sway of said cylinder.
In the technique scheme, preferred, also comprise housing, said housing is arranged on outside the said cylinder, and the sidewall of said housing is provided with port, and said free end stretches out said port.
In the technique scheme, concrete, also comprise the guide rail and second motor, said second motor is fixed on the top of said housing, is fixed with roller on the main shaft of said second motor, and the said roller of said second driven by motor rolls on said guide rail.
The beneficial effect of the utility model is: the maximum height when minimum altitude when steel rope descends and rising; Left side and the least significant that can extrapolate that the needs of steel rope on cylinder arrive; These two sensitive spots that set positions is an induction installation; In case steel rope arrives these two positions, induction installation just sends signal and gives control setup, and control setup just stops first motor and rotates.So just can guarantee that or each steel rope free end rises decline all just to subscribing the position.Need not operating personal and observe the free-ended position of steel rope constantly, nor position deviation can occur.
Description of drawings
Fig. 1 is the plan sketch of the utility model embodiment.
Fig. 2 is the right elevation of Fig. 1.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail: referring to Fig. 1 and Fig. 2; A kind of crane inhibiting device comprises cylinder 1 and first motor 2 that drives cylinder 1 rotation, is wound with steel rope 3 on the cylinder 1; Steel rope 3 has a free end that is used to carry article; Steel rope 3 according to from left to right or dextrosinistral order one circle circle be wrapped on the cylinder 1, cylinder 1 is outside equipped with housing 5, housing 5 is used to protect steel rope 3 and cylinder 1 not invaded and harassed by dust.The sidewall of housing 5 is provided with port, and free end stretches out port.The top of housing 5 is fixed with on the main shaft of second motor, 6, the second motors 7 and is fixed with roller 71, the pig of roller 71 and guide rail 6; When cylinder 1 rotates; Steel rope 3 also comprises induction installation and control setup along the sidewall sway of cylinder 1, when steel rope 3 during along the sidewall sway of cylinder 1 to certain distance; Induction installation sends signal, and control first motor 2 stops operating behind the control setup received signal.Induction installation can be various types of rang sensors; Like infrared ray rang sensor etc.; In the present embodiment, induction installation comprises that 41,42, two travel switches 41,42 of two travel switches are arranged on the right and left of cylinder 1; When steel rope 3 during along the sidewall sway of cylinder 1 to certain distance, steel rope 3 contacts with travel switch 41,42.When steel rope 3 contacted with travel switch 41,42, travel switch 41,42 started, and passes to the control setup signal.
Comprise that also guide rail 6 and second motor, 7, the second motors 7 are fixed on the top of housing 5, be fixed with roller 71, the second motors 7 drive rollers 71 on the main shaft of second motor 7 and on guide rail 6, roll.

Claims (4)

1. crane inhibiting device; Comprise cylinder (1) and drive first motor (2) that said cylinder (1) rotates that be wound with steel rope (3) on the said cylinder (1), said steel rope (3) has a free end that is used to carry article; Said steel rope (3) according to from left to right or dextrosinistral order one circle circle be wrapped on the cylinder (1); When cylinder (1) rotated, steel rope (3) is characterized in that along the sidewall sway of cylinder (1): also comprise induction installation and control setup; Said induction installation links to each other through signal with said control setup; When said steel rope (3) during along the sidewall sway of cylinder (1) to certain distance, induction installation sends signal, and control first motor (2) stops operating behind the said control setup received signal.
2. crane inhibiting device according to claim 1; It is characterized in that: said induction installation comprises two travel switches (41,42); Two said travel switches (41,42) are arranged on the right and left of said cylinder (1); When said steel rope (3) during along the sidewall sway of said cylinder (1) to certain distance, said steel rope (3) contacts with said travel switch (41,42).
3. crane inhibiting device according to claim 1 and 2 is characterized in that: also comprise housing (5), said housing (5) is arranged on outside the said cylinder (1), and the sidewall of said housing (5) is provided with port, and said free end stretches out said port.
4. crane inhibiting device according to claim 3; It is characterized in that: also comprise guide rail (6) and second motor (7); Said second motor (7) is fixed on the top of said housing (5); Be fixed with roller (71) on the main shaft of said second motor (7), said second motor (7) drives said roller (71) and goes up rolling at said guide rail (6).
CN2011204537120U 2011-11-16 2011-11-16 Crane limit device Expired - Fee Related CN202449751U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204537120U CN202449751U (en) 2011-11-16 2011-11-16 Crane limit device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204537120U CN202449751U (en) 2011-11-16 2011-11-16 Crane limit device

Publications (1)

Publication Number Publication Date
CN202449751U true CN202449751U (en) 2012-09-26

Family

ID=46865633

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011204537120U Expired - Fee Related CN202449751U (en) 2011-11-16 2011-11-16 Crane limit device

Country Status (1)

Country Link
CN (1) CN202449751U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108502754A (en) * 2018-04-08 2018-09-07 安徽中安检测中心有限公司 A kind of anti-risk ejection device of tower crane lifting process
CN109052204A (en) * 2018-10-26 2018-12-21 海鹰企业集团有限责任公司 A kind of raising position limit device for winch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108502754A (en) * 2018-04-08 2018-09-07 安徽中安检测中心有限公司 A kind of anti-risk ejection device of tower crane lifting process
CN109052204A (en) * 2018-10-26 2018-12-21 海鹰企业集团有限责任公司 A kind of raising position limit device for winch
CN109052204B (en) * 2018-10-26 2023-07-28 海鹰企业集团有限责任公司 Lifting upper limiting device for winch

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120926

Termination date: 20141116

EXPY Termination of patent right or utility model