CN110371877B - Discrimination control system for winding drum winding and unwinding states - Google Patents

Discrimination control system for winding drum winding and unwinding states Download PDF

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Publication number
CN110371877B
CN110371877B CN201910659688.7A CN201910659688A CN110371877B CN 110371877 B CN110371877 B CN 110371877B CN 201910659688 A CN201910659688 A CN 201910659688A CN 110371877 B CN110371877 B CN 110371877B
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encoder
winding drum
equipment operation
winding
motor
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CN201910659688.7A
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CN110371877A (en
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沈其荣
陈鸣
卞宏刚
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JIANGYIN NEW SUN METALLURGICAL EQUIPMENT CO LTD
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JIANGYIN NEW SUN METALLURGICAL EQUIPMENT CO LTD
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Publication of CN110371877A publication Critical patent/CN110371877A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28Other constructional details
    • B66D1/40Control devices
    • B66D1/42Control devices non-automatic
    • B66D1/46Control devices non-automatic electric

Abstract

The invention relates to a distinguishing control system for a winding drum winding and unwinding state, which comprises a main loop, an equipment operation control loop, an encoder controller and an encoder, wherein the main loop is used for providing a working power supply; the equipment operation control loop is used for providing an equipment operation signal for the encoder controller; the encoder is arranged in the winding drum and synchronously operates with the winding drum, and is used for providing winding and unwinding state signals of the winding drum for the encoder controller; the encoder controller is used for providing working power supply for the encoder, providing winding drum operation and fault output signals for the equipment operation control loop and sending motor operation working signals to the main loop. The discrimination control system for the winding drum winding and unwinding state has the advantages of convenience in control, economy, safety, practicability and prolonging of the service life of the winding drum and the service life of the cable.

Description

Discrimination control system for winding drum winding and unwinding states
Technical Field
The invention relates to a discrimination control system for a winding drum winding and unwinding state.
Background
The winding drum comprises a spring winding drum and an electric winding drum, wherein the spring winding drum is divided into a gas (oil) pipe winding drum and a cable winding drum, and the spring winding drum is widely applied to a bridge crane (a gantry crane) for winding and unwinding cables. A conventional electric reel controls the reel according to a reel operation signal provided by a system, and the operating mode of the conventional electric reel is as shown in fig. 1, the reel 13 is arranged on a mobile device 12, the mobile device 12 can move back and forth on a track, a cable outlet 14 is arranged on the track, if the mobile device 12 needs to move from a position a to a position B, the reel 13 is in a winding state in the moving process from the position a to the cable outlet 14, and the reel 13 is in a cable unwinding state in the moving process from the cable outlet 14 to the position B; if the mobile device 12 needs to move from the position B to the position a, the reel 13 is in the winding state during the movement from the position B to the cable outlet 14, and the reel 13 is in the unwinding state during the movement from the cable outlet 14 to the position a. The motor always runs in the winding direction no matter the winding drum is in the winding state or the unwinding state, so that the cable can be pulled out from the winding drum only by overcoming the winding force of the motor when the cable is unwound, the service lives of the winding drum and the cable are greatly shortened, and particularly, when the winding drum cannot run due to faults in the running process of equipment, the system cannot detect related information and timely control the equipment to stop running, so that the cable is seriously damaged.
Disclosure of Invention
The invention aims to overcome the defects and provide a winding drum winding and unwinding state judging control system which is convenient to control, economical, practical, safe and practical and prolongs the service life of a winding drum and a cable.
The purpose of the invention is realized as follows: a discrimination control system for the winding drum winding and unwinding state comprises a main loop, an equipment operation control loop, an encoder controller and an encoder,
the main loop is used for providing working power supply;
the equipment operation control loop is used for providing an equipment operation signal for the encoder controller;
the encoder is arranged in the winding drum and synchronously operates with the winding drum, and is used for providing winding and unwinding state signals of the winding drum for the encoder controller;
the encoder controller is used for providing working power supply for the encoder, providing winding drum operation and fault output signals for the equipment operation control loop and sending motor operation working signals to the main loop.
Furthermore, a direct-current power output end, a grounding end and an encoder operation signal receiving end are arranged on the front side of the encoder controller, the direct-current power output end is connected with a power end of the encoder, and the encoder operation signal receiving end is connected with a signal end of the encoder;
the rear side of the encoder controller is provided with a motor operation signal end, an equipment operation signal end, a fault output end and a power supply input end, the motor operation signal end and the power supply input end are connected with a main loop, and the equipment operation signal end and the fault output end are connected with an equipment operation control loop;
the fault output end is internally provided with a normally closed contact, and the motor operation signal end is internally provided with a normally open contact.
Furthermore, the main circuit comprises a first circuit, a second circuit, a third circuit, a first lead, a second lead, a third lead and a motor, wherein one end of the first lead is connected with the first circuit, the other end of the first lead is connected with a U of the motor, one end of the second lead is connected with the second circuit, the other end of the second lead is connected with a V of the motor, one end of the third lead is connected with the third circuit, and the other end of the third lead is connected with a W of the motor;
be provided with air switch and contactor between first wire, second wire and the third wire, the contactor includes first normally open contact of contactor, contactor second normally open contact, contactor third normally open contact and contactor coil, first normally open contact of contactor, contactor second normally open contact and contactor third normally open contact are connected with first wire, second wire and third wire respectively.
Furthermore, one side of the equipment operation control loop is provided with a first input end of the equipment operation control loop, a second input end of the equipment operation control loop, a first output end of the equipment operation control loop and a second output end of the equipment operation control loop.
Furthermore, a toggle switch is arranged on the encoder controller and used for calibrating whether the output signal of the encoder is consistent with the actual winding or unwinding direction of the winding drum.
Furthermore, an adjusting knob is further arranged on the encoder controller and used for setting the time of the device for continuously winding the cable on the winding drum due to free-wheeling in the process from running to stopping.
Furthermore, the encoder controller is controlled by a single-board computer.
Compared with the prior art, the invention has the beneficial effects that:
according to the discrimination control system for the winding and unwinding states of the winding drum, the rotation direction of the winding drum is measured through the encoder, namely the winding and unwinding states of the winding drum are recognized, so that the working of a motor during winding of the winding drum, the stopping of the motor during unwinding of the winding drum and the timely stopping of equipment during the failure of the winding drum can be ensured, the cable is protected from being damaged, the service lives of the cable and the winding drum are prolonged, and the use performance of the winding drum is improved.
Drawings
Fig. 1 is a schematic view of the working mode of the reel winding and unwinding state.
FIG. 2 is a schematic diagram of a control system for determining the winding/unwinding status of a winding drum according to the present invention.
Wherein:
main circuit 1, first lead 101, second lead 102, third lead 103, air switch 104, motor 105, first line 106, second line 107, third line 108, contactor first normally open contact 109.1, contactor second normally open contact 109.2, contactor third normally open contact 109.3, contactor coil 109.4
A plant operation control loop 2, a plant operation control loop first input 201, a plant operation control loop second input 202, a plant operation control loop first output 203, a plant operation control loop second output 204
Encoder controller 3
Fourth conductive line 4
Fifth conductor 5
Sixth conductive line 6
Seventh conductive line 7
Fuse 9
Toggle switch 10
Adjusting knob 11
Mobile device 12
Reel 13
And a cable outlet 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 2, the discrimination control system for the winding drum retraction state according to the present invention includes a main circuit 1, an equipment operation control circuit 2, an encoder controller 3 and an encoder,
the main loop 1 is used for providing a working power supply;
the equipment operation control loop 2 is used for providing equipment operation signals to the encoder controller 3;
the encoder is arranged in the winding drum and synchronously operates with the winding drum, and is used for providing winding and unwinding state signals of the winding drum to the encoder controller 3;
the encoder controller 3 is used for providing working power supply for the encoder, providing a reel operation and fault output signal for the equipment operation control loop 2 and sending a motor operation working signal to the main loop 1.
The main circuit 1 comprises a first line 106, a second line 107, a third line 108, a first lead 101, a second lead 102, a third lead 103 and a motor 105, wherein one end of the first lead 101 is connected with the first line 106, the other end of the first lead 101 is connected with a U of the motor 105, one end of the second lead 102 is connected with the second line 107, the other end of the second lead 102 is connected with a V of the motor 105, one end of the third lead 103 is connected with the third line 108, and the other end of the third lead 103 is connected with a W of the motor 105;
an air switch 104 and a contactor are respectively arranged between the front section and the rear section of the first lead 101, the second lead 102 and the third lead 103, the contactor comprises a first normally open contact 109.1 of the contactor, a second normally open contact 109.2 of the contactor, a third normally open contact 109.3 of the contactor and a contactor coil 109.4, and the first normally open contact 109.1 of the contactor, the second normally open contact 109.2 of the contactor and the third normally open contact 109.3 of the contactor are respectively connected with the first lead 101, the second lead 102 and the third lead 103;
the device operation control loop 2 is used for providing a device operation signal to the encoder controller 3, wherein the device operation signal is used as a winding drum operation signal, namely a voltage signal of AC380V, and a first input end 201 of the device operation control loop, a second input end 202 of the device operation control loop, a first output end 203 of the device operation control loop and a second output end 204 of the device operation control loop are sequentially arranged on one side of the device operation control loop 2 from bottom to top;
thirteen pins are arranged outside the front side of the encoder controller 3, and the pins are sequentially arranged from left to right: a front first pin, a front second pin, a front third pin, a front fourth pin, a front fifth pin, a front sixth pin, a front seventh pin, a front eighth pin, a front ninth pin, a front tenth pin, a front eleventh pin, a front twelfth pin and a front thirteenth pin,
the front second pin and the front third pin are direct-current power supply output ends, the front fifth pin is grounded, the front sixth pin and the front seventh pin are encoder operation signal receiving ends, the front second pin and the front third pin are connected with a power supply end of an encoder, the front fourth pin and the front fifth pin are connected, and the front sixth pin and the front seventh pin are connected with a signal end of the encoder;
eighteen pins are arranged outside the rear side of the encoder controller 3, and the pins are sequentially arranged from left to right: a rear first pin, a rear second pin, a rear third pin, a rear fourth pin, a rear fifth pin, a rear sixth pin, a rear seventh pin, a rear eighth pin, a rear ninth pin, a rear tenth pin, a rear eleventh pin, a rear twelfth pin, a rear thirteenth pin, a rear fourteenth pin, a rear fifteenth pin, a rear sixteenth pin, a rear seventeenth pin and a rear eighteenth pin,
the rear ninth pin and the rear twelfth pin are motor operation signal ends, the rear fifth pin and the rear seventh pin are equipment operation signal ends, the rear sixteenth pin and the rear seventeenth pin are fault output ends, and the rear first pin and the rear third pin are power supply input ends;
the rear ninth pin is connected with the middle section of the third wire 103 through a fourth wire 4, the rear twelfth pin is connected with one end of a contactor coil 109.4 through a fifth wire 5, the other end of the contactor coil 109.4 is connected with the middle section of the first wire 101 through a sixth wire 6, the rear first pin is connected with the sixth wire 6 through a seventh wire 7, a fuse 9 is arranged on the seventh wire 7, and the rear third pin is connected with the fourth wire 4 through an eighth wire 8;
the fifth pin and the seventh pin are respectively connected with the first output end 203 of the equipment operation control loop and the second output end 204 of the equipment operation control loop, and the sixteenth pin and the seventeenth pin are respectively connected with the first input end 201 of the equipment operation control loop and the second input end 202 of the equipment operation control loop;
the encoder controller 3 is provided with a toggle switch 10 and an adjusting knob 11;
the toggle switch 10 is used for calibrating whether the output signal of the encoder is consistent with the actual winding or unwinding direction of the winding drum, and when the motor does not work during winding of the winding drum or works during unwinding of the cable and the actual working state is opposite to the required working state, the toggle switch 10 is mistakenly set and needs to be calibrated again;
the adjusting knob 11 is used for setting the time for the winding drum to continue to wind the cable due to the inertial sliding in the process from running to stopping of the equipment, and the time range is 1-10S;
the fault output end is internally provided with a normally closed contact, and the motor operation signal end is internally provided with a normally open contact;
the encoder controller 3 adopts a single-board computer to control the board;
the working principle is as follows: the air switch is pulled down, the normally closed contact provided by the encoder controller is connected with the equipment operation control loop in series, the equipment operation control loop is electrified, the equipment provides an operation signal to the encoder controller as an operation signal of the winding drum, the signal is a voltage signal of AC380V, after the encoder controller receives the voltage signal, the encoder controller outputs the operation signal to the normally open contact of the contactor coil to be closed, the contactor coil is electrified, and the first normally open contact, the second normally open contact and the third normally open contact of the contactor are closed, so that the motor is driven to operate;
in the process, when the encoder provides a winding direction signal, the motor continues to operate; when the encoder provides a cable laying direction signal, the motor stops running; when the encoder does not provide a signal, namely the winding drum does not run, the normally closed contact of the encoder controller and the equipment in series is disconnected, the equipment is controlled to stop running, and the winding drum and the motor also stop running.
The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims (7)

1. A discrimination control system of a winding drum winding and unwinding state is characterized in that: comprises a main loop (1), an equipment operation control loop (2), an encoder controller (3) and an encoder,
the main loop (1) is used for providing a working power supply;
the equipment operation control loop (2) is used for providing an equipment operation signal to the encoder controller (3);
the encoder is arranged in the winding drum and synchronously operates with the winding drum, and is used for providing winding and unwinding state signals of the winding drum to the encoder controller (3);
the encoder controller (3) is used for providing a working power supply for the encoder, providing a winding drum operation signal and a fault output signal for the equipment operation control loop (2) and sending a motor operation working signal to the main loop (1);
when the encoder provides a winding direction signal, the motor continues to operate; when the encoder provides a cable laying direction signal, the motor stops running; when the encoder does not provide a signal, the motor also stops running.
2. The discrimination control system of the winding drum retraction state according to claim 1, wherein: the front side of the encoder controller (3) is provided with a direct-current power supply output end, a grounding end and an encoder operation signal receiving end, the direct-current power supply output end is connected with a power supply end of an encoder, and the encoder operation signal receiving end is connected with a signal end of the encoder;
the rear side of the encoder controller (3) is provided with a motor operation signal end, an equipment operation signal end, a fault output end and a power supply input end, the motor operation signal end and the power supply input end are connected with the main loop (1), and the equipment operation signal end and the fault output end are connected with the equipment operation control loop (2);
the fault output end is internally provided with a normally closed contact, and the motor operation signal end is internally provided with a normally open contact.
3. The discrimination control system of the winding drum retraction state according to claim 2, wherein: the main circuit (1) comprises a first line (106), a second line (107), a third line (108), a first lead (101), a second lead (102), a third lead (103) and a motor (105), wherein one end of the first lead (101) is connected with the first line (106), the other end of the first lead (101) is connected with a U of the motor (105), one end of the second lead (102) is connected with the second line (107), the other end of the second lead (102) is connected with a V of the motor (105), one end of the third lead (103) is connected with the third line (108), and the other end of the third lead (103) is connected with a W of the motor (105);
be provided with air switch (104) and contactor between first wire (101), second wire (102) and third wire (103), the contactor includes first normally open contact of contactor (109.1), contactor second normally open contact (109.2), contactor third normally open contact (109.3) and contactor coil (109.4), first normally open contact of contactor (109.1), contactor second normally open contact (109.2) and contactor third normally open contact (109.3) are connected with first wire (101), second wire (102) and third wire (103) respectively.
4. The discrimination control system of the winding drum retraction state according to claim 2, wherein: and one side of the equipment operation control loop (2) is provided with an equipment operation control loop first input end (201), an equipment operation control loop second input end (202), an equipment operation control loop first output end (203) and an equipment operation control loop second output end (204).
5. The discrimination control system of the winding drum retraction state according to claim 1, wherein: and a toggle switch (10) is arranged on the encoder controller (3).
6. The discrimination control system of the winding drum retraction state according to claim 1, wherein: and the encoder controller (3) is also provided with an adjusting knob (11).
7. The discrimination control system of the winding drum retraction state according to claim 1, wherein: the encoder controller (3) adopts a single-board computer to control the board.
CN201910659688.7A 2019-07-22 2019-07-22 Discrimination control system for winding drum winding and unwinding states Active CN110371877B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910659688.7A CN110371877B (en) 2019-07-22 2019-07-22 Discrimination control system for winding drum winding and unwinding states

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910659688.7A CN110371877B (en) 2019-07-22 2019-07-22 Discrimination control system for winding drum winding and unwinding states

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CN110371877A CN110371877A (en) 2019-10-25
CN110371877B true CN110371877B (en) 2020-11-10

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2825580A1 (en) * 1978-06-10 1980-01-17 Demag Ag Gantry crane cable truck equipment - uses linear motors with pole pitches and grooves to suit garland positions
CN202226552U (en) * 2011-08-29 2012-05-23 三一集团有限公司 Cable guiding rack device portal crane with same
CN202717520U (en) * 2012-06-13 2013-02-06 中山市公路钢结构制造有限公司 Cable winding and unwinding device of gantry crane
CN203486772U (en) * 2013-08-06 2014-03-19 河南起重机器有限公司 Cable drum control circuit of crane
CN204324608U (en) * 2014-11-28 2015-05-13 徐州徐工基础工程机械有限公司 The frequency control extension and retraction system of development machine cable

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Address after: No. 518, Chengzhang Road, Jiangyin City, Wuxi City, Jiangsu Province

Patentee after: JIANGYIN NEW SUN METALLURGICAL EQUIPMENT Co.,Ltd.

Address before: 214400 Fuyuan Road, Jiangyin City, Wuxi City, Jiangsu Province, 14, 16

Patentee before: JIANGYIN NEW SUN METALLURGICAL EQUIPMENT Co.,Ltd.