CN110885007A - Driving control loop - Google Patents

Driving control loop Download PDF

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Publication number
CN110885007A
CN110885007A CN201911208433.5A CN201911208433A CN110885007A CN 110885007 A CN110885007 A CN 110885007A CN 201911208433 A CN201911208433 A CN 201911208433A CN 110885007 A CN110885007 A CN 110885007A
Authority
CN
China
Prior art keywords
contactor
driving control
limit
breaker
cart
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
CN201911208433.5A
Other languages
Chinese (zh)
Inventor
高佳鹏
肖康
季召良
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.)
Jiangsu Shagang Group Co Ltd
Zhangjiagang Hongchang Steel Plate Co Ltd
Original Assignee
Jiangsu Shagang Group Co Ltd
Zhangjiagang Hongchang Steel Plate 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 Jiangsu Shagang Group Co Ltd, Zhangjiagang Hongchang Steel Plate Co Ltd filed Critical Jiangsu Shagang Group Co Ltd
Priority to CN201911208433.5A priority Critical patent/CN110885007A/en
Publication of CN110885007A publication Critical patent/CN110885007A/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
    • B66C13/00Other constructional features or details
    • B66C13/18Control systems or devices
    • B66C13/22Control systems or devices for electric drives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00Safety gear
    • B66C15/06Arrangements or use of warning devices
    • B66C15/065Arrangements or use of warning devices electrical

Abstract

The invention discloses a driving control loop, which belongs to the technical field of driving control loops and comprises a first contactor KM1, a second contactor KM2, a third contactor KM3, a fourth contactor KM4, a fifth contactor KM5, a sixth contactor KM6, a transformer TC1, a time-delay contact KT1, a first breaker QF1, a second breaker QF2, an overload limiter SQ1, a heavy hammer limit SQ2, a driving control receiver, a remote controller, a first cart limit SQ3 and a second cart limit SQ 4; also comprises a total contactor KM8, a seventh contactor KM7 and a contactor KA 1. In order to solve the problem that the traveling crane hook is out of control to push against the roof due to the fact that the KM1 controller is stuck, a KM8 contactor is connected in series in a control loop, when the contactor KM8 is stuck, the contactor KM1 is not subjected to negative load, the sticking cannot occur, and therefore the traveling crane hook cannot lose effectiveness after being controlled and is always in a controllable state.

Description

Driving control loop
Technical Field
The invention belongs to the technical field of driving control circuits, and particularly relates to a driving control loop.
Background
When the original travelling crane ascends and descends, only one contactor KM1 is used for controlling, when the KM1 contactor is stuck, the upper limit and the lower limit are invalid at the same time, the lifting hook is out of control to impact the top, and accidents occur.
Disclosure of Invention
The invention aims to solve the technical problem of providing a driving control loop aiming at the defects of the background technology, and in order to solve the problem that a driving hook is out of control and rushes to the top due to the fact that a KM1 controller is stuck, a KM8 contactor is connected in series in the control loop, when the contactor KM8 is stuck, the contactor KM1 is not loaded, sticking cannot occur, and therefore the driving control loop cannot be invalid after being controlled and is in a controllable state forever.
The invention adopts the following technical scheme to solve the technical problems
A driving control loop comprises a first contactor KM1, a second contactor KM2, a third contactor KM3, a fourth contactor KM4, a fifth contactor KM5, a sixth contactor KM6, a transformer TC1, a time-delay contact KT1, a first breaker QF1, a second breaker QF2, an overload limiter SQ1, a heavy hammer limit SQ2, a driving control receiver, a remote controller, a first cart limit SQ3 and a second cart limit SQ 4; also comprises a total contactor KM8, a seventh contactor KM7, a contactor KA 1;
the second breaker QF2 is connected with a driving control receiver through a transformer TC1, the driving control receiver is respectively connected with one end of a first contactor KM1, a second contactor KM2, a third contactor KM3, a fourth contactor KM4, a fifth contactor KM5, a sixth contactor KM6, a total contactor KM8 and a seventh contactor KM7, the other end of the first contactor KM1 is connected with one end of the total contactor KM8 through an overload limiter SQ1, the other end of the second contactor KM2 is connected with one end of a weight limit SQ2, the other end of the fifth contactor KM5 is connected with one end of a second cart limit SQ4, the other end of the sixth contactor KM6 is connected with one end of a first cart limit SQ3, the driving control receiver is connected with one end of a delay contact KT1, the other end of the delay contact KT1 is connected with one end of a contactor 1, the other end of the total contactor KM8, the other end of the limit SQ2, and the other end of the second cart limit SQ4, The other ends of the first cart curb SQ3 are connected to each other.
As a further preferable scheme of the driving control loop, the models of the first contactor KM1 and the second contactor KM2 are LC1-D50M7C
As a further preferable scheme of the driving control loop, the models of the third contactor KM3 and the fourth contactor KM4 are both LC1-D65M 7C.
As a further preferable scheme of the driving control loop, the models of the fifth contactor KM5 and the sixth contactor KM6 are both LC1-D32M 7C.
As a further preferable scheme of the driving control loop, the model of the time delay contact KT1 is LA 2-D220.1-605.
As a further preferable scheme of the driving control loop, the model of the first breaker QF1 is RMC 1-350A.
As a further preferable scheme of the driving control loop, the model of the second breaker QF2 is RMC 1-26A.
As a further preferable embodiment of the driving control loop of the present invention, the model number of the overload limiter SQ1 is 5T
Compared with the prior art, the invention adopting the technical scheme has the following technical effects: is composed of
The invention solves the problem that the lifting hook of the traveling crane is out of control to impact the top due to the fact that the KM1 controller is stuck, the KM8 contactor is connected in series in a control loop, when the contactor KM8 is stuck, the contactor KM1 is not subjected to negative load, the sticking cannot occur, and therefore the traveling crane cannot lose effectiveness after being controlled and is always in a controllable state.
Drawings
FIG. 1 is a circuit diagram of a driving control loop according to the present invention.
Detailed Description
The technical scheme of the invention is further explained in detail by combining the attached drawings:
as shown in fig. 1, a driving control loop includes a first contactor KM1, a second contactor KM2, a third contactor KM3, a fourth contactor KM4, a fifth contactor KM5, a sixth contactor KM6, a transformer TC1, a time-delay contact KT1, a first breaker QF1, a second breaker QF2, an overload limiter SQ1, a weight limit SQ2, a driving control receiver, a remote controller, a first cart limit SQ3, and a second cart limit SQ 4; also comprises a total contactor KM8, a seventh contactor KM7, a contactor KA 1;
the second breaker QF2 is connected with a driving control receiver through a transformer TC1, the driving control receiver is respectively connected with one end of a first contactor KM1, a second contactor KM2, a third contactor KM3, a fourth contactor KM4, a fifth contactor KM5, a sixth contactor KM6, a total contactor KM8 and a seventh contactor KM7, the other end of the first contactor KM1 is connected with one end of the total contactor KM8 through an overload limiter SQ1, the other end of the second contactor KM2 is connected with one end of a weight limit SQ2, the other end of the fifth contactor KM5 is connected with one end of a second cart limit SQ4, the other end of the sixth contactor KM6 is connected with one end of a first cart limit SQ3, the driving control receiver is connected with one end of a delay contact KT1, the other end of the delay contact KT1 is connected with one end of a contactor 1, the other end of the total contactor KM8, the other end of the limit SQ2, and the other end of the second cart limit SQ4, The other ends of the first cart curb SQ3 are connected to each other.
The models of the first contactor KM1 and the second contactor KM2 are LC1-D50M7C
The third contactor KM3 and the fourth contactor KM4 are both LC1-D65M 7C.
The models of the fifth contactor KM5 and the sixth contactor KM6 are LC1-D32M 7C.
The model of the time-delay contact KT1 is LA 2-D220.1-605.
The model of the first breaker QF1 is RMC 1-350A.
The model of the second breaker QF2 is RMC 1-26A.
The model number of the overload limiter SQ1 is 5T
The invention solves the problem that the lifting hook of the traveling crane is out of control to impact the top due to the fact that the KM1 controller is stuck, the KM8 contactor is connected in series in a control loop, when the contactor KM8 is stuck, the contactor KM1 is not subjected to negative load, the sticking cannot occur, and therefore the traveling crane cannot lose effectiveness after being controlled and is always in a controllable state.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims (7)

1. A driving control loop is characterized in that: the system comprises a first contactor KM1, a second contactor KM2, a third contactor KM3, a fourth contactor KM4, a fifth contactor KM5, a sixth contactor KM6, a transformer TC1, a time-delay contact KT1, a first breaker QF1, a second breaker QF2, an overload limiter SQ1, a heavy hammer limit SQ2, a driving control receiver, a remote controller, a first cart limit SQ3 and a second cart limit SQ 4; also comprises a total contactor KM8, a seventh contactor KM7, a contactor KA 1;
the second breaker QF2 is connected with a driving control receiver through a transformer TC1, the driving control receiver is respectively connected with one end of a first contactor KM1, a second contactor KM2, a third contactor KM3, a fourth contactor KM4, a fifth contactor KM5, a sixth contactor KM6, a total contactor KM8 and a seventh contactor KM7, the other end of the first contactor KM1 is connected with one end of the total contactor KM8 through an overload limiter SQ1, the other end of the second contactor KM2 is connected with one end of a weight limit SQ2, the other end of the fifth contactor KM5 is connected with one end of a second cart limit SQ4, the other end of the sixth contactor KM6 is connected with one end of a first cart limit SQ3, the driving control receiver is connected with one end of a delay contact KT1, the other end of the delay contact KT1 is connected with one end of a contactor 1, the other end of the total contactor KM8, the other end of the limit SQ2, and the other end of the second cart limit SQ4, The other ends of the first cart curb SQ3 are connected to each other.
2. A vehicle travel control circuit according to claim 1, wherein: the models of the first contactor KM1 and the second contactor KM2 are LC1-D50M7C
A vehicle travel control circuit according to claim 1, wherein: the third contactor KM3 and the fourth contactor KM4 are both LC1-D65M 7C.
3. A vehicle travel control circuit according to claim 1, wherein: the models of the fifth contactor KM5 and the sixth contactor KM6 are LC1-D32M 7C.
4. A vehicle travel control circuit according to claim 1, wherein: the model of the time-delay contact KT1 is LA 2-D220.1-605.
5. A vehicle travel control circuit according to claim 1, wherein: the model of the first breaker QF1 is RMC 1-350A.
6. A vehicle travel control circuit according to claim 1, wherein: the model of the second breaker QF2 is RMC 1-26A.
7. A vehicle travel control circuit according to claim 1, wherein: the overload limiter SQ1 is 5T in model.
CN201911208433.5A 2019-11-30 2019-11-30 Driving control loop Pending CN110885007A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911208433.5A CN110885007A (en) 2019-11-30 2019-11-30 Driving control loop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911208433.5A CN110885007A (en) 2019-11-30 2019-11-30 Driving control loop

Publications (1)

Publication Number Publication Date
CN110885007A true CN110885007A (en) 2020-03-17

Family

ID=69749826

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911208433.5A Pending CN110885007A (en) 2019-11-30 2019-11-30 Driving control loop

Country Status (1)

Country Link
CN (1) CN110885007A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201703984U (en) * 2009-11-27 2011-01-12 安徽江淮起重运输机械有限公司 Electrical control system of engineering gantry crane
CN103552931A (en) * 2013-11-04 2014-02-05 河南起重机器有限公司 Control device for preventing crane contactor from being stuck
CN104891345A (en) * 2015-04-22 2015-09-09 李志刚 Crane ground operation position limitation control apparatus
CN206486202U (en) * 2017-02-24 2017-09-12 河钢股份有限公司承德分公司 It is a kind of to prevent because the device of overhead traveling crane power down accident occurs for the spacing failure of weight
CN206940267U (en) * 2017-07-14 2018-01-30 宜昌市江三科技开发有限责任公司 A kind of gatage control system
CN209113367U (en) * 2018-09-03 2019-07-16 中碳能源(山东) 有限公司 A kind of electric-control system of single-beam crane

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201703984U (en) * 2009-11-27 2011-01-12 安徽江淮起重运输机械有限公司 Electrical control system of engineering gantry crane
CN103552931A (en) * 2013-11-04 2014-02-05 河南起重机器有限公司 Control device for preventing crane contactor from being stuck
CN104891345A (en) * 2015-04-22 2015-09-09 李志刚 Crane ground operation position limitation control apparatus
CN206486202U (en) * 2017-02-24 2017-09-12 河钢股份有限公司承德分公司 It is a kind of to prevent because the device of overhead traveling crane power down accident occurs for the spacing failure of weight
CN206940267U (en) * 2017-07-14 2018-01-30 宜昌市江三科技开发有限责任公司 A kind of gatage control system
CN209113367U (en) * 2018-09-03 2019-07-16 中碳能源(山东) 有限公司 A kind of electric-control system of single-beam crane

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Application publication date: 20200317