CN201433069Y - Winch three-circle protector - Google Patents

Winch three-circle protector Download PDF

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Publication number
CN201433069Y
CN201433069Y CN2009200699203U CN200920069920U CN201433069Y CN 201433069 Y CN201433069 Y CN 201433069Y CN 2009200699203 U CN2009200699203 U CN 2009200699203U CN 200920069920 U CN200920069920 U CN 200920069920U CN 201433069 Y CN201433069 Y CN 201433069Y
Authority
CN
China
Prior art keywords
slip ring
electric slip
elevator
reel
hollow shaft
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
CN2009200699203U
Other languages
Chinese (zh)
Inventor
张光辉
陈广明
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.)
Kunshan Sany Machinery Co Ltd
Original Assignee
Shanghai Sany Technology 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 Shanghai Sany Technology Co Ltd filed Critical Shanghai Sany Technology Co Ltd
Priority to CN2009200699203U priority Critical patent/CN201433069Y/en
Application granted granted Critical
Publication of CN201433069Y publication Critical patent/CN201433069Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

The utility model discloses a winch three-circle protector, which comprises a sensor, a hollow shaft, an electric slip ring and a lead, wherein the sensor is arranged on the reel of the winch, the hollow shaft is arranged on one side of the reel, the electric slip ring comprises a fixed part with an output lead and a moving shaft, the fixed part is fixed on a stander, the moving shaft is arrangedon one side of the hollow shaft, which is opposite to the reel, through a moving shaft bracket. One end of the lead is connected with the sensor, and the other end of the lead passes through the centre through hole of the hollow shaft and is connected with the moving shaft of the electric slip ring. Because the sensor is arranged on the protector, the direct three-circle detection can be realized;because the protector just comprises the sensor, the hollow shaft, the electric slip ring and the lead, the structure is simple; and because the moving shaft of the electric slip ring passes throughthe moving shaft bracket and is connected with the hollow shaft, and the hollow shaft is connected with the reel, the electric slip ring and the reel rotate synchronously, the lead can not be broken due to the rotation of the reel, the reliability is high, and the lead can not be damaged due to the mechanical impact, water and dust and the like.

Description

Elevator three circle fender guards
Technical field
A kind of elevator fender guard of the utility model relates in particular to a kind of elevator three circle fender guards.
Background technology
Elevator is in the time of the lifting weight, along with the decline of weight, steel rope remaining number of turns on elevator is fewer and feweri, when being less than the number of turns of " safety regulation for operations " regulation, the pulling force of weight just might be pulled out steel rope from the attachment point of elevator, make the weight get out of hand and cause safety misadventure.
In order to prevent that safety misadventure from taking place, at present, two kinds of methods that detect the number of turns of remaining steel rope on the elevator are arranged.
First kind of mode is " a few " mode, and this mode judges by detecting the number of turns in relative rotation whether steel rope remaining on the elevator also surplus three encloses, and this is a kind of indirect method of inspection, need frequent setting device, and fault rate is higher.
Whether also surplus the second way be to detect three circles by rope press device, and Chinese patent application numbers 200710180395.8 discloses a kind of rope press device, and this rope press device cooperates with the few device of limit and realizes that three enclose detection.Rope press device comprises carriage, presses rope drum, the axis of rolling, shaft alignment seat and the spring of exerting pressure.One end of carriage is provided with bracket axle, and an other end is provided with the turning cylinder position, and turning cylinder is equipped with bearing in the position, and the bearing inner ring and the axis of rolling are nested.Exert pressure spring housing at the bracket axle middle part.Press rope drum to be divided into three sections and be fixed on the axis of rolling, its external diameter is consistent with the external diameter of turning cylinder position, under the effect of the spring of exerting pressure, is close to reel, rotates along with the rotation of reel.The shaft alignment seat is arranged at the bracket axle two ends, and carriage is fixed on the frame.The few device of limit comprises resilient pegs, telescopic tongue, the few cut-off switch of limit and resets meets and discusses.The head of resilient pegs is provided with the inclined-plane plug, and afterbody is provided with the pressurized key.
When winch in the process that descends, steel rope remaining number of turns on reel is fewer and feweri, during to the number of turns of regulation, judges by pressurized key gain and loss pressure whether steel rope also remains three circles.
Though the disclosed technical scheme of above-mentioned patent application can directly detect steel rope remaining number of turns on elevator,, the said equipment comprises rope press device and the few device of limit, not only parts are many for the few device of rope press device and limit, and structure is very complicated; In addition, above-mentioned rope press device is installed on the mouth of going into to restrict of reel, and the few device of limit is installed on the frame of reel inside and avris, is to expose device, and mechanical impact, water and dust damage said apparatus easily.
Summary of the invention
The purpose of this utility model provides a kind of elevator three circle fender guards, and this device can not only directly detect the remaining number of turns of steel rope on the reel, and can not damage because of external cause.
To achieve these goals, the technical solution of the utility model is:
A kind of elevator three circle fender guards comprise sensor, hollow shaft, electric slip ring and lead.Sensor is installed on the reel of elevator.Hollow shaft is installed on reel one side.Electric slip ring comprises fixed part and the moving axis with output line, and moving axis is installed on the side of hollow shaft with respect to reel by the moving axis support.Lead one end is connected in sensor, and the central through-hole that an other end passes hollow shaft is connected in the moving axis of electric slip ring.
Described sensor is near switch.
Described lead penetrates the central through-hole of hollow shaft from reel inside.
Described lead is connected by the lead of joint with the electric slip ring moving axis.
Described elevator three circle fender guards also comprise the boss with through hole; boss is installed on the frame; its axle head is connected with hollow shaft by tilting bearing, and the fixed part of described electric slip ring is fixed in boss, and the moving axis of electric slip ring and moving axis support are positioned at through hole.
Described elevator three circle fender guards also comprise protective case, and this protective case is installed on boss in order to cover electric slip ring, and the output line of electric slip ring passes by the hole of band waterproof joint on the protective case.
Be provided with the O RunddichtringO between the joint face of described boss and protective case.
The beneficial effects of the utility model:
1, owing to be provided with sensor, therefore, can realize that direct three circles detect; Only comprise sensor, hollow shaft, electric slip ring and lead, simple in structure; Because the moving axis of electric slip ring is connected with hollow shaft by the moving axis support, and hollow shaft is connected with reel, therefore, electric slip ring and reel rotate synchronously, and lead can not fracture because of the rotation of reel, the reliability height.
2, owing to be provided with protective case, therefore, electric slip ring etc. can the former thereby breaking-up because of mechanical impact, water or dust etc.
Description of drawings
Fig. 1 is the integral structure figure after the utility model is installed on elevator;
Fig. 2 is the enlarged drawing of I part among Fig. 1.
The specific embodiment
Further specify architectural feature of the present utility model below in conjunction with accompanying drawing.
See also Fig. 1 and Fig. 2, a kind of elevator three circle fender guards of the utility model comprise sensor 1, hollow shaft 2, electric slip ring 3 and lead 4.
Sensor 1 is installed on the reel 5 of elevator.
Hollow shaft 2 is installed on reel 5 one sides, has central through-hole 21.
Electric slip ring 3 comprises fixed part 31 and moving axis 32.Fixed part 31 has output line 311.Moving axis 32 is installed on the side of hollow shaft 2 with respect to reel 5 by moving axis support 33.
Lead 4 one ends are connected in sensor 1, and an other end passes the moving axis 32 that penetrates the central through-hole 21 of hollow shaft 2 behind reel 5 inside of elevator and be connected in electric slip ring 3.
As improvement, described sensor 1 is non-contact switch or touch switch.Non-contact switch is such as near switch, Hall sensor, and contact switch is such as direct press type travel switch, pressure type micro-switch etc.
Described lead 4 is connected with the lead of electric slip ring 3 moving axis 32 by joint 41.
When the utility model was installed on elevator, described elevator three circle fender guards can also comprise boss 6, and boss 6 has a through hole 61, and boss 6 is installed on the frame, and its axle head is connected with hollow shaft 2 by tilting bearing 7.The fixed part 31 of described electric slip ring 3 is fixed in boss 6, and the moving axis 32 and the moving axis support 33 of electric slip ring 3 are positioned at through hole 61.Protective case 8 is installed in order to cover electric slip ring 3 on boss 6, is made sliding 3 rings of electricity wait and can not damage because of mechanical impact, water or dust.The output line 311 of electric slip ring 3 passes by the hole of band waterproof joint on the protective case 8.In order to make good sealing effect, be provided with the O RunddichtringO between the joint face of boss 6 and protective case 8.
When the steel rope on the reel 5 is remaining was 3 whens circle, and sensor 1 transmits signal by the output line 311 of lead 4, electric slip ring 3 to controller, and controller makes elevator quit work according to signal.Because the moving axis 32 of electric slip ring 3 is connected with hollow shaft 2 by moving axis support 33, and hollow shaft 2 is connected with reel 5, and therefore, electric slip ring 3 rotates synchronously with reel 5, lead 4 can not fracture because of the rotation of reel 5, can not damage because of mechanical impact, water or dust.Owing to adopt the wire transmission mode of lead 4, even under the operating mode harsh conditions, also signal can be passed, laser propagation effect is good.

Claims (7)

1. elevator three circle fender guards is characterized in that, comprising:
Sensor is installed on the reel of elevator,
Hollow shaft is installed on reel one side;
Electric slip ring comprises fixed part and moving axis with output line, and fixed part is fixed in the frame of elevator, and moving axis is installed on the side of hollow shaft with respect to reel by the moving axis support;
Lead, an end is connected in sensor, and the central through-hole that an other end passes hollow shaft is connected in the moving axis of electric slip ring.
2. elevator three circle fender guards as claimed in claim 1 is characterized in that described sensor is non-contact switch or touch switch.
3. elevator three circle fender guards as claimed in claim 1 is characterized in that described lead penetrates the central through-hole of hollow shaft from reel inside.
4. elevator three circle fender guards as claimed in claim 1 is characterized in that described lead is connected by the lead of joint with the electric slip ring moving axis.
5. as any one described elevator three circle fender guard in the claim 1 to 4; it is characterized in that; also comprise boss with through hole; boss is installed on the frame; its axle head is connected with hollow shaft by tilting bearing; the fixed part of described electric slip ring is fixed in boss, and the moving axis of electric slip ring and moving axis support are positioned at through hole.
6. elevator three circle fender guards as claimed in claim 5 is characterized in that, also comprise protective case, and this protective case is installed on boss in order to cover electric slip ring, and the output line of electric slip ring passes by the hole of band waterproof joint on the protective case.
7. elevator three circle fender guards as claimed in claim 6 is characterized in that, are provided with the O RunddichtringO between the joint face of boss and protective case.
CN2009200699203U 2009-04-03 2009-04-03 Winch three-circle protector Expired - Fee Related CN201433069Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200699203U CN201433069Y (en) 2009-04-03 2009-04-03 Winch three-circle protector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200699203U CN201433069Y (en) 2009-04-03 2009-04-03 Winch three-circle protector

Publications (1)

Publication Number Publication Date
CN201433069Y true CN201433069Y (en) 2010-03-31

Family

ID=42051879

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009200699203U Expired - Fee Related CN201433069Y (en) 2009-04-03 2009-04-03 Winch three-circle protector

Country Status (1)

Country Link
CN (1) CN201433069Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104925684A (en) * 2014-03-22 2015-09-23 林本顺 Combined lifting device
CN106195276A (en) * 2016-07-15 2016-12-07 武汉船用机械有限责任公司 Rotary sealing appts
CN106829767A (en) * 2017-01-18 2017-06-13 苏州赛易特环保科技有限公司 A kind of environment protection type powder hoist engine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104925684A (en) * 2014-03-22 2015-09-23 林本顺 Combined lifting device
CN106195276A (en) * 2016-07-15 2016-12-07 武汉船用机械有限责任公司 Rotary sealing appts
CN106195276B (en) * 2016-07-15 2018-09-25 武汉船用机械有限责任公司 Rotary sealing appts
CN106829767A (en) * 2017-01-18 2017-06-13 苏州赛易特环保科技有限公司 A kind of environment protection type powder hoist engine

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: KUNSHAN SANY MACHINERY CO., LTD.

Free format text: FORMER OWNER: SHANGHAI SANY TECHNOLOGY CO., LTD.

Effective date: 20110330

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 201200 NO. 319, CHUANDA ROAD, CHUANSHA ECONOMIC PARK, PUDONG NEW DISTRICT, SHANGHAI TO: 215300 HUANCHENG EAST ROAD, KUNSHAN DEVELOPMENT AREA, JIANGSU PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20110330

Address after: 215300 East Ring Road, Kunshan Development Zone, Jiangsu

Patentee after: Kunshan Sany Machinery Co., Ltd.

Address before: 201200 Shanghai City Sichuan Road Pudong New Area Chuansha economic Park No. 319

Patentee before: Shanghai Sany Technology Co., Ltd.

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100331

Termination date: 20130403