CN105858476B - A kind of anti-breaking device of gantry crane cable and automatic control system - Google Patents

A kind of anti-breaking device of gantry crane cable and automatic control system Download PDF

Info

Publication number
CN105858476B
CN105858476B CN201610377007.4A CN201610377007A CN105858476B CN 105858476 B CN105858476 B CN 105858476B CN 201610377007 A CN201610377007 A CN 201610377007A CN 105858476 B CN105858476 B CN 105858476B
Authority
CN
China
Prior art keywords
limit switch
cable
cross bar
moving contact
contact
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.)
Active
Application number
CN201610377007.4A
Other languages
Chinese (zh)
Other versions
CN105858476A (en
Inventor
程伊彪
方艳红
赵兰海
曾智荣
江湧
何天涛
刘国衔
吴运宏
马向上
潘飞
韩建新
张健
杨帆
涂蓉蓉
任勇
詹应
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.)
China Railway Major Bridge Engineering Group Co Ltd MBEC
Wuhan Bridge Special Technology Co Ltd of MBEC
Original Assignee
China Railway Major Bridge Engineering Group Co Ltd MBEC
Wuhan Bridge Special Technology Co Ltd of MBEC
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 China Railway Major Bridge Engineering Group Co Ltd MBEC, Wuhan Bridge Special Technology Co Ltd of MBEC filed Critical China Railway Major Bridge Engineering Group Co Ltd MBEC
Priority to CN201610377007.4A priority Critical patent/CN105858476B/en
Publication of CN105858476A publication Critical patent/CN105858476A/en
Application granted granted Critical
Publication of CN105858476B publication Critical patent/CN105858476B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/12Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/18Control systems or devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00Safety gear

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Control And Safety Of Cranes (AREA)

Abstract

The invention discloses a kind of anti-breaking device of gantry crane cable and automatic control system, it is related to cable protective technical field, including:Middle stand, middle stand includes back-moving spring and limit switch moving contact, and back-moving spring includes fixing end and free end, the free end connection limit switch moving contact of back-moving spring, and cable is set around below limit switch moving contact, cable drives limit switch moving contact to move up;Stopping means, stopping means includes limit switch and limit switch static contact, limit switch static contact is connected with limit switch, limit switch static contact is located above limit switch moving contact, and be oppositely arranged, when cable normally pulls, the level height of limit switch static contact is higher than the level height of limit switch moving contact, when the improper pulling of cable, limit switch moving contact, which moves up, touches limit switch static contact.The present invention can effectively avoid gantry crane cable from breaking, and have the advantages of safe efficient low with cost.

Description

A kind of anti-breaking device of gantry crane cable and automatic control system
Technical field
The present invention relates to cable protective technical field, and in particular to the anti-breaking device of a kind of gantry crane cable and automatic Control system.
Background technology
Gantry crane is mainly used in the handling operation in the goods yard, stock ground goods, bulk goods of outdoor, and straddle truck can be directly on ground Track on pull, gantry crane is carried out the folding and unfolding of cable, but work on the spot environment by coil of cable drum in drawing process Complex, cable winding, hook are drawn, blocking, or are happened occasionally situations such as coil of cable drum folding and unfolding control system failure so that The stroke distances of gantry crane are more than the length of cable, but are stopped operation in time without reliable apparatus again, in turn result in gantry The leader cable of machine is broken.And gantry crane leader cable is broken, produced on-site progress and equipment personal safety are had a strong impact on.
The content of the invention
For defect present in prior art, prevent breaking it is an object of the invention to provide a kind of gantry crane cable Device and automatic control system, can effectively avoid gantry crane cable break caused by site safety accident and site operation The situation of stagnation occurs, and has the advantages of safe efficient low with cost.
To achieve the above objectives, the present invention adopts the technical scheme that:
A kind of anti-breaking device of gantry crane cable, it is characterised in that including:
Middle stand, the middle stand include back-moving spring and limit switch moving contact, and the back-moving spring includes solid Fixed end and free end, the free end of the back-moving spring connects the limit switch moving contact, and the cable is set around institute State below limit switch moving contact, the cable drives the limit switch moving contact to move up;
Stopping means, the stopping means include limit switch and limit switch static contact, the limit switch static contact It is connected with the limit switch, the limit switch static contact is located above the limit switch moving contact, and is oppositely arranged, when When the cable normally pulls, the level height of the limit switch static contact is higher than the level of the limit switch moving contact Highly, when the improper pulling of the cable, the limit switch moving contact, which moves up, touches the limit switch static contact.
The anti-breaking device also includes left standing frame and right standing frame, and the left standing frame and the right standing frame mirror image are arranged at described The both sides of middle stand, the left standing frame and the right standing frame set up the cable respectively, and set up the water of the cable The flat level height highly normally pulled higher than the cable, the level height of the limit switch static contact position, Less than the level height that the left standing frame and the right standing frame set up the cable.
The left standing frame includes two left columns and left cross bar, and the left cross bar is set up between two left columns, described The top of left cross bar is used to set up the cable, and the level height of the left cross bar is higher than the water that the cable normally pulls Flat height.
On the basis of above-mentioned technical proposal, the right standing frame includes two right columns and right cross bar, and the right cross bar is set up Between two right columns, the top of the right cross bar is used to set up the cable, and the level height of the right cross bar is high In the level height that the cable normally pulls.
On the basis of above-mentioned technical proposal, the left standing frame is provided with transverse slat towards the side of the middle stand, institute Limit switch is stated to be installed on the transverse slat.
On the basis of above-mentioned technical proposal, the middle stand also includes two middle standing pillars, and the limit switch is dynamic to be touched Head is strip cross bar, and the cross bar is slided along two middle standing pillars and set, and the shaft of the cross bar connects the reset The free end of spring, the cable are set around the lower section of the cross bar.
On the basis of above-mentioned technical proposal, the middle standing pillar is provided with chute, the cunning of two middle standing pillars Groove is oppositely arranged, and the both ends of the cross bar are located in the chute respectively.
On the basis of above-mentioned technical proposal, the middle stand is arranged at the power inleting terminal of the cable.
On the basis of above-mentioned technical proposal, a kind of automatic control system of the anti-breaking device of gantry crane cable, bag Include:
Main breaker, the input connection power supply of the main breaker;
Master control contactor, the master control contactor are connected with the main breaker signal, the output of the master control contactor The power inleting terminal of connecting cable is held, and the master control contactor is connected with the stopping means signal;
When the limit switch moving contact contacts with the limit switch static contact, the limit switch is opened, described Master control contactor conveys power-off signal to the main breaker, when the limit switch moving contact and the limit switch static contact During separation, the limit switch is closed, and the master control contactor conveys to the main breaker and connects electric signal.
Compared with prior art, the advantage of the invention is that:
(1) a kind of anti-breaking device of gantry crane cable of the invention includes middle stand and stopping means, and centre is vertical Frame is used for the level height for adjusting cable so that and cable has the space moved up, when cable is first pullled by force, limit switch Moving contact overlaps limit switch static contact, and limit switch sends signal, and then controls power-off, when limit switch moving contact with it is spacing Switch static contact separates, and limit switch sends restricting the number again, and in electrical communication, effectively carry out gantry crane cable breaks guarantor for control Shield, the situation that can effectively avoid site safety accident and site operation because caused by being broken gantry crane cable from stopping Occurring, the workable, simple in construction of this device, component are easy to get, are economical and practical, and application is very strong in practice in engineering, With the good economical and practical value promoted, popularized.
(2) a kind of anti-breaking device of gantry crane cable of the invention also includes left standing frame and right standing frame, left standing frame with The high cable of right standing frame elder generation frame, and when the height of the cable between left standing frame and right standing frame normally pulls higher than cable Height, in use the level height of limit switch moving contact and limit switch static contact be less than left standing frame and right standing frame Stringing height, can still be used to the cable for some pullings that mop floor, have it is applied widely, structure letter Singly, the advantages of easy to use.
(3) a kind of middle stand of anti-breaking device of gantry crane cable of the invention sets the electric power incoming line of cable End, blocking, failure or stroke can be monitored whether from power inleting terminal to the length range between winding roll in cable The problem of in larger distance, test scope is wide, distance.
(4) control system of a kind of anti-breaking device of gantry crane cable of the invention, controlled and led using limit switch Control contactor realizes the switching of gantry crane electricity, have it is convenient, directly, efficiently and the advantages of can recover automatically.
Brief description of the drawings
Fig. 1 is the positive structure schematic of automatic control system of the embodiment of the present invention.
Fig. 2 is limit switch moving contact and the side structure signal of limit switch static contact separation of the embodiment of the present invention Figure.
Fig. 3 is limit switch moving contact and the side structure signal of limit switch static contact contact of the embodiment of the present invention Figure.
Fig. 4 is Fig. 2 A-A sectional views.
Fig. 5 is Fig. 2 B-B sectional views.
Fig. 6 is Fig. 2 C-C sectional views.
In figure:The anti-breaking devices of 1-, 10- left columns, the left cross bars of 11-, 12- middle standing pillars, 13- limit switch moving contacts, 14- right columns, the right cross bars of 15-, 16- transverse slats, 17- limit switches, 18- limit switch static contacts, 19- back-moving springs, 2- cables Line, 3- master control contactors, 4- main breakers, 5- winding rolls, 6- gantry cranes.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
Shown in Figure 1, the embodiment of the present invention provides a kind of anti-breaking device of gantry crane cable, anti-breaking device 1 The end of incoming cables of cable 2 is arranged on, the end of incoming cables of cable 2 passes through the anti-breaking device 1, and the other end of cable 2 extends to Winding roll 5 on gantry crane 6, winding roll 5 carry out the folding and unfolding of cable 2.
Referring to shown in Fig. 2 to Fig. 6, anti-breaking device 1 includes middle stand, stopping means, left standing frame and right standing frame.Specifically , middle stand, middle stand includes two middle standing pillars 12, back-moving spring 19 and limit switch moving contact 13, middle standing pillar 12 On be provided with chute, the chute of two middle standing pillars 12 is oppositely arranged, limit switch moving contact 13 be strip cross bar, cross bar Respectively in the chute of two middle standing pillars 12, limit switch moving contact 13 is connected with cable 2 at both ends, and cable 2 drives limit Bit switch moving contact 13 moves up and down.Back-moving spring 19 has two, and one end of two back-moving springs 19 is fixed on leading for gantry crane 6 On rail, the other end of two back-moving springs 19 is fixedly connected at the shaft of limit switch moving contact 13, and dynamic tactile close to limit switch Cable 2 of being powered at first 13 both ends, between two back-moving springs 19 passes through.
Left standing frame and the right standing frame mirror image is arranged at the both sides of middle stand.Left standing frame includes two left columns 10 and left horizontal stroke Bar 11, left cross bar 11 are set up between two left columns 10, and the top of left cross bar 11 is used to set up cable 2, the water of left cross bar 11 Flat height is higher than the level height that cable 2 normally pulls.Right standing frame includes two right columns 14 and right cross bar 15, the right frame of cross bar 15 Between two right columns 14, the top of right cross bar 14 is used to set up cable 2, and the level height of right cross bar 15 is higher than cable 2 level heights normally pulled.And left cross bar 11 is consistent with the level height of right cross bar 15.
The level height of cable 2 and the position of limit switch static contact 18 at the position of limit switch moving contact 13 The level height at place is below the level height that left cross bar 11 and right cross bar 15 set up cable 2.
The stopping means includes limit switch 17 and limit switch static contact 18, and limit switch static contact 18 is opened with spacing Close 17 to be connected, left column 10 is provided with transverse slat 16 towards the side of middle stand, and limit switch 17 is installed on transverse slat 16.It is spacing Switch static contact 18 is oppositely arranged with limit switch moving contact 13, and limit switch static contact 18 is located at limit switch moving contact 13 Top.When cable 2 normally pulls, the level height of limit switch static contact 18 is higher than the level of limit switch moving contact 13 Highly, when cable 2 is because of blocking, the trouble light improper pulling of circle, limit switch moving contact 13, which moves up, touches spacing open Close static contact 18.
It is shown in Figure 1, a kind of automatic control system of the anti-breaking device of gantry crane cable, including:
Main breaker 4, the input connection power supply of main breaker 4;
Master control contactor 3, master control contactor 3 are connected with the signal of main breaker 4, the output end connection electricity of master control contactor 3 The power inleting terminal of cable 2, and master control contactor 3 is connected with stopping means;
When limit switch moving contact 13 is connected with limit switch static contact 18, limit switch 17 is opened, master control contactor 3 Power-off signal, when limit switch moving contact 13 separates with limit switch static contact 18, limit switch 17 are conveyed to main breaker 4 Close, master control contactor 3 conveys to main breaker 4 and connects electric signal.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention Within the scope of.The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.

Claims (7)

  1. A kind of 1. anti-breaking device of gantry crane cable, it is characterised in that including:
    Middle stand, the middle stand include back-moving spring (19) and limit switch moving contact (13), the back-moving spring bag Fixing end and free end are included, the free end of the back-moving spring connects the limit switch moving contact (13), and the cable (2) be set around below the limit switch moving contact (13), the cable (2) drive the limit switch moving contact (13) to Upper movement;
    Stopping means, the stopping means includes limit switch (17) and limit switch static contact (18), the limit switch are quiet Contact (18) is connected with the limit switch (17), and the limit switch static contact (18) is located at the limit switch moving contact (13) top, and be oppositely arranged, when the cable (2) normally pulls, the level of the limit switch static contact (18) is high Degree higher than the limit switch moving contact (13) level height, it is described spacing to open when the cable (2) improper pulling Pass moving contact (13), which moves up, touches the limit switch static contact (18);
    The anti-breaking device also includes left standing frame and right standing frame, and the left standing frame and the right standing frame mirror image are arranged at the centre The both sides of stand, the left standing frame and the right standing frame set up the cable (2) respectively, and set up the cable (2) Level height is higher than the level height that the cable (2) normally pulls, limit switch static contact (18) position Level height, less than the level height that the left standing frame and the right standing frame set up the cable (2);
    The left standing frame includes two left columns (10) and left cross bar (11), and the left cross bar (11) is set up in two left columns (10) between, the top of the left cross bar (11) is used to set up the cable (2), and the level height of the left cross bar (11) is high In the level height that the cable (2) normally pulls.
  2. A kind of 2. anti-breaking device of gantry crane cable as claimed in claim 1, it is characterised in that:The right standing frame includes Two right columns (14) and right cross bar (15), the right cross bar (15) are set up between two right columns (14), the right cross bar (15) top is used to set up the cable (2), and the level height of the right cross bar (15) is normal higher than the cable (2) The level height of pulling.
  3. A kind of 3. anti-breaking device of gantry crane cable as claimed in claim 1, it is characterised in that:The left standing frame direction The side of the middle stand is provided with transverse slat (16), and the limit switch (17) is installed on the transverse slat (16).
  4. A kind of 4. anti-breaking device of gantry crane cable as claimed in claim 1, it is characterised in that:The middle stand is also Including two middle standing pillars (12), the limit switch moving contact (13) is strip cross bar, and the cross bar is stood along two centres Post (12), which slides, to be set, and the shaft of the cross bar connects the free end of the back-moving spring, and the cable (2) is set around institute State the lower section of cross bar.
  5. A kind of 5. anti-breaking device of gantry crane cable as claimed in claim 4, it is characterised in that:The middle standing pillar (12) chute is provided with, the chute of two middle standing pillars (12) is oppositely arranged, and the both ends of the cross bar are located at institute respectively State in chute.
  6. A kind of 6. anti-breaking device of gantry crane cable as claimed in claim 1, it is characterised in that:The middle stand is set It is placed in the power inleting terminal of the cable (2).
  7. 7. a kind of automatic control system of anti-breaking device of gantry crane cable as described in any one of claim 1 to 6, its It is characterised by, including:
    Main breaker (4), the input connection power supply of the main breaker (4);
    Master control contactor (3), the master control contactor (3) are connected with the main breaker (4) signal, the master control contactor (3) power inleting terminal of output end connecting cable (2), and the master control contactor (3) connects with the stopping means signal Connect;
    When the limit switch moving contact (13) contacts with the limit switch static contact (18), the limit switch (17) is opened Open, the master control contactor (3) to the main breaker (4) convey power-off signal, when the limit switch moving contact (13) with During limit switch static contact (18) separation, the limit switch (17) is closed, and the master control contactor (3) is always broken to described Electric signal is connected in road device (4) conveying.
CN201610377007.4A 2016-05-31 2016-05-31 A kind of anti-breaking device of gantry crane cable and automatic control system Active CN105858476B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610377007.4A CN105858476B (en) 2016-05-31 2016-05-31 A kind of anti-breaking device of gantry crane cable and automatic control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610377007.4A CN105858476B (en) 2016-05-31 2016-05-31 A kind of anti-breaking device of gantry crane cable and automatic control system

Publications (2)

Publication Number Publication Date
CN105858476A CN105858476A (en) 2016-08-17
CN105858476B true CN105858476B (en) 2018-03-30

Family

ID=56641826

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610377007.4A Active CN105858476B (en) 2016-05-31 2016-05-31 A kind of anti-breaking device of gantry crane cable and automatic control system

Country Status (1)

Country Link
CN (1) CN105858476B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3932604B2 (en) * 1997-06-16 2007-06-20 株式会社大林組 Cable crane contact prevention system
CN101585488A (en) * 2009-06-11 2009-11-25 洛阳卡瑞起重设备有限公司 Wire cable rupture protection system
CN201686418U (en) * 2010-06-03 2010-12-29 成都畅越机械工程有限公司 Cable slack on-line detection protector
CN201686415U (en) * 2010-05-14 2010-12-29 武汉一冶交通工程有限责任公司 Control device of ratchet-pawl mechanism
CN202414992U (en) * 2011-12-14 2012-09-05 三一集团有限公司 Cable festooning system
CN205820726U (en) * 2016-05-31 2016-12-21 中铁大桥局武汉桥梁特种技术有限公司 A kind of anti-breaking device of gantry crane cable and automatic control system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3932604B2 (en) * 1997-06-16 2007-06-20 株式会社大林組 Cable crane contact prevention system
CN101585488A (en) * 2009-06-11 2009-11-25 洛阳卡瑞起重设备有限公司 Wire cable rupture protection system
CN201686415U (en) * 2010-05-14 2010-12-29 武汉一冶交通工程有限责任公司 Control device of ratchet-pawl mechanism
CN201686418U (en) * 2010-06-03 2010-12-29 成都畅越机械工程有限公司 Cable slack on-line detection protector
CN202414992U (en) * 2011-12-14 2012-09-05 三一集团有限公司 Cable festooning system
CN205820726U (en) * 2016-05-31 2016-12-21 中铁大桥局武汉桥梁特种技术有限公司 A kind of anti-breaking device of gantry crane cable and automatic control system

Also Published As

Publication number Publication date
CN105858476A (en) 2016-08-17

Similar Documents

Publication Publication Date Title
CN202704859U (en) Gantry crane
CN203624749U (en) Mechanical stop device for home elevator
CN106639447A (en) Lifting anti-falling device
CN110949291A (en) Intelligent patrol device
CN103774901A (en) Rope loosening detection device of steel wire rope
CN105858476B (en) A kind of anti-breaking device of gantry crane cable and automatic control system
CN104966455B (en) A kind of prevention of sliding-down in inclined well teaching, training device
CN102856831B (en) Movable door mechanism of high voltage switch cabinet
CN205820726U (en) A kind of anti-breaking device of gantry crane cable and automatic control system
CN205061410U (en) Ring column crane is prevented askew drawing and is hung safety device to one side
CN105161336B (en) The mechanical interlocking device powered for ring main unit dual power supply loading switch cabinet
CN206223211U (en) Port machine walking dolly cable is anti-to roll detection means
CN102882138B (en) Movable door mechanism of high-tension switch cabinet
CN203392666U (en) Obstacle interception device for photoelectric type construction lifter
CN102706727A (en) Simulated test device for construction elevator cable
CN204453664U (en) The horizontal safety guyrope switch of a kind of belt feeder
CN103395666B (en) A kind of mechanical type building hoist spatial obstacle thing blocking apparatus
CN102943582B (en) Falling protector of mechanical type parking equipment
CN207142542U (en) A kind of vertical-lift alignment device
CN204441761U (en) KYN switch cabinet current transformer is changed L-type and is accepted car
CN105438921A (en) Real-time chain fracture prevention safety lock
CN103420294B (en) Hoisting system and the control method for hoisting system
CN206340884U (en) A kind of clamping device of maintenance car of handcart type breaker equipment
CN205034983U (en) Photoelectric type hoist is prevented askew drawing and is hung safety device to one side
CN202808110U (en) Anti-overrunning anti-falling safe protection system of construction hoist

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: Cheng Yibiao

Inventor after: Pan Fei

Inventor after: Han Jianxin

Inventor after: Zhang Jian

Inventor after: Yang Fan

Inventor after: Tu Rongrong

Inventor after: Ren Yong

Inventor after: Zhan Ying

Inventor after: Fang Yanhong

Inventor after: Zhao Lanhai

Inventor after: Zeng Zhirong

Inventor after: Jiang Yong

Inventor after: He Tiantao

Inventor after: Liu Guoxian

Inventor after: Wu Yunhong

Inventor after: Ma Xiangshang

Inventor before: Cheng Yibiao

Inventor before: Zhang Jian

Inventor before: Yang Fan

Inventor before: Tu Rongrong

Inventor before: Ren Yong

Inventor before: Zhan Ying

Inventor before: Fang Yanhong

Inventor before: Zhao Lanhai

Inventor before: Zeng Zhirong

Inventor before: Jiang Yong

Inventor before: Wu Yunhong

Inventor before: Ma Xiangshang

Inventor before: Pan Fei

Inventor before: Han Jianxin

COR Change of bibliographic data
GR01 Patent grant
GR01 Patent grant