CN217211399U - Cable drum fault detection device - Google Patents
Cable drum fault detection device Download PDFInfo
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- CN217211399U CN217211399U CN202221004844.XU CN202221004844U CN217211399U CN 217211399 U CN217211399 U CN 217211399U CN 202221004844 U CN202221004844 U CN 202221004844U CN 217211399 U CN217211399 U CN 217211399U
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- cable
- detection device
- reel
- wire rope
- steel wire
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Control And Safety Of Cranes (AREA)
Abstract
The utility model discloses a cable drum fault detection device, its characterized in that: the device comprises a steel wire rope reel, a cable reel, a lifting appliance, a rotating ring detection device and a plc counting module; the lifting appliance is provided with a driving device, the steel wire rope reel and the cable reel are both arranged on the lifting frame, the suspended lifting appliance is fixedly arranged at one end of the steel wire rope, and one end of the cable is electrically connected with the driving device of the lifting appliance; and the steel wire rope winding drum and the cable winding drum are respectively provided with a rotating ring detection device, and the rotating ring detection device is electrically connected with the plc counting module. The utility model solves the hidden danger problem caused by lack of a coping means when the cable drum or the steel wire rope drum can not be retracted normally, and improves the safety and the stability when the crane is used by detecting the rotation condition of the cable drum through the photoelectric switch on the basis of not changing the control mode of the cable drum; the device is simple in structural design and convenient to install and use; the detection is carried out through the photoelectric switch, the cost is low, and the practicability is high.
Description
Technical Field
The utility model relates to a fault detection device, concretely relates to cable drum fault detection device.
Background
The elastic cable drum is a mechanical device which takes a spiral spring as power and automatically winds the cable by utilizing the stored energy of the spring. The cable has the characteristics of single power supply cylinder, safe and reliable operation, moderate stress of the cable and the like.
The spring cable drum is widely applied to cranes, the safety requirement of automatic operation of the cranes is higher along with the popularization of automation, and most of hanger cables are customized cables, so the cost is higher; when the spring of the cable drum is damaged, the cable cannot be timely retracted, so that the cable is too much loosened relative to the steel wire rope, the cable is easily hung up, production and operation are affected, and safety accidents and economic losses can be caused.
Therefore, there is a need for a device capable of detecting whether the cable drum is rotating normally, so as to improve the safety and stability of the automation system.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to among the prior art, a cable drum fault detection device is provided to when solving because of cable drum or wire rope reel can't normally return and contract, lack the hidden danger problem that the means of coping brought.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a cable drum fault detection device which characterized in that: the device comprises a steel wire rope reel, a cable reel, a lifting appliance, a rotating ring detection device and a plc counting module; the lifting appliance is provided with a driving device, the steel wire rope reel and the cable reel are both arranged on the lifting frame, one end of a steel wire rope of the steel wire rope reel is fixedly provided with the suspended lifting appliance, and one end of a cable of the cable reel is electrically connected with the driving device of the lifting appliance; and the steel wire rope winding drum and the cable winding drum are respectively provided with a circle rotating detection device, and the circle rotating detection devices are respectively and electrically connected with the plc counting module.
In order to optimize the technical scheme, the specific measures adopted further comprise:
furthermore, the circle detection device comprises an absolute value encoder, and the absolute value encoder is respectively installed on the rotating shafts of the steel wire rope reel and the cable reel.
Furthermore, the rotating ring detection device comprises an absolute value encoder, a reflective sticker and a photoelectric switch, wherein the absolute value encoder is arranged on a rotating shaft of the steel wire rope winding drum; the reflection of light sticker about cable drum's pivot symmetry is installed the left and right sides of terminal surface before the cable drum, photoelectric switch sets up the place ahead of terminal surface before the cable drum.
Furthermore, the lifting appliance is a grab bucket, the driving device adopts an oil pump motor, and the cable is connected with the oil pump motor to control the grab bucket to open and close.
Further, still include the alarm, plc count module and alarm electric connection.
Furthermore, the plc counting module is electrically connected with the driving motors of the wire rope reel and the cable reel.
Further, the cable reel adopts a spring type cable reel.
The utility model has the advantages that:
the utility model detects the rotation condition of the cable drum through the photoelectric switch on the basis of not changing the control mode of the cable drum, thereby improving the safety and stability of the crane when in use; the device is simple in structural design and convenient to install and use; the detection is carried out through the photoelectric switch, the cost is low, and the practicability is high.
Drawings
Fig. 1 is a schematic structural view of the cable reel of the present embodiment.
Reference numerals: 1. reflecting paster, 2 photoelectric switch, 3 cable drum.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
It should be noted that, in the present invention, the terms "upper", "lower", "left", "right", "front", "back", etc. are used for the sake of clarity only, and are not used to limit the scope of the present invention, and the relative relationship changes or adjustments may be made without substantial technical changes.
As shown in the attached drawings, the utility model discloses a cable drum fault detection device of embodiment, its characterized in that: the device comprises a steel wire rope reel, a cable reel 3, a lifting appliance, a turn detection device and a plc counting module; the lifting appliance is provided with a driving device, the steel wire rope reel and the cable reel 3 are both arranged on the lifting frame, one end of a steel wire rope extending out of the steel wire rope reel is fixedly provided with the suspended lifting appliance, and the steel wire rope is used for carrying load on the lifting appliance; one end of the cable extending out of the cable drum 3 is electrically connected with a driving device of the lifting appliance, so that the lifting appliance is driven by controlling the driving device; and the steel wire rope winding drum and the cable winding drum 3 are respectively provided with a circle rotating detection device, and the circle rotating detection devices are respectively and electrically connected with the plc counting module. Whether a single stalling condition exists or not is confirmed by detecting the rotation conditions of the wire rope reel and the cable reel 3, so that the wire rope reel and the cable reel 3 are controlled to stall simultaneously; thereby avoiding the damage of the cable or the steel wire rope caused by the failure of timely withdrawing the device.
In this embodiment, circle detection device includes the absolute value encoder, the absolute value encoder is installed respectively in the pivot of wire rope reel and cable drum 3 to this signal through plc count module to the absolute value encoder collection carries out the analysis, realizes controlling.
In this embodiment, the rotation ring detection device includes an absolute value encoder, a reflective sticker 1 and a photoelectric switch 2, wherein the absolute value encoder is installed on a rotating shaft of the steel wire rope drum, so as to realize accurate measurement of the running rope length of the steel wire rope and transmit a signal to a plc counting module; reflection of light sticker 1 about cable drum 3's pivot symmetry is installed the left and right sides of terminal surface before cable drum 3, photoelectric switch 2 sets up the place ahead of terminal surface before cable drum 3 to this through photoelectric switch 2 transmission and receive reflection of light sticker 1, and with signal transmission to plc count module, confirm cable drum 3's rotation condition. The reflective sticker 1 and the photoelectric switch 2 are used for replacing one absolute value encoder, so that the use cost is reduced.
In this embodiment, the lifting appliance is a grab bucket, the driving device adopts an oil pump motor, and the cable is connected with the oil pump motor to control the grab bucket to open and close.
In this embodiment, the plc counting module is electrically connected to the alarm, so as to realize the warning after the fault is detected.
In this embodiment, the plc counting module is electrically connected to the driving motors of the wire rope reel and the cable reel 3, so as to control the driving motors to stop operating when a fault occurs.
In this embodiment, the cable drum 3 is a spring-type cable drum, the spring-type cable drum uses a volute spring as power, the function of automatically reeling and releasing a cable is realized, the use is convenient, the cost is reduced, and the risk caused by the volute spring is avoided by the fault detection device.
In this embodiment, by setting the detection flow of the spreader travel distance in the plc counting module:
firstly, reading an optical signal of a photoelectric switch through a plc counting module, and detecting to obtain an initial hanger height and a hanger height Last value;
and secondly, subtracting the initial height of the lifting appliance and the Last value of the height of the lifting appliance, and taking the absolute value of the difference.
And a detection processing flow of the cable drum fault is set in the plc counting module:
the first step is as follows: the plc counting module reads a lifting signal of the lifting appliance, delays 2S detection, and indicates that the steel wire rope reel rotates and the cable reel 3 does not rotate when the absolute value of the checking difference value of the cable reel 3 exceeds the absolute value of the difference value measured in the detection process of the running distance of the lifting appliance in a large range;
the second step is that: at the moment, the plc counting module gives a fault alarm through an alarm, self-locking the steel wire rope reel and the cable reel 3, and stops operating and waits for processing by controlling the driving motors of the steel wire rope reel and the cable reel 3.
When the utility model is used, the running condition of the steel wire rope reel is detected through the absolute value encoder, the running condition of the cable reel 3 is detected through the reflective sticker 1 and the photoelectric switch 2, and the plc counting module is used for collecting, comparing and monitoring; if the data is abnormal, the plc counting module controls the driving motors of the wire rope reel and the cable reel 3 to stop running and wait for processing, thereby avoiding unnecessary accidents and loss.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.
Claims (7)
1. The utility model provides a cable drum fault detection device which characterized in that: the device comprises a steel wire rope reel, a cable reel (3), a lifting appliance, a rotating ring detection device and a plc metering module; the lifting appliance is provided with a driving device, the steel wire rope reel and the cable reel (3) are both arranged on the lifting frame, a suspended lifting appliance is fixedly arranged at one end of a steel wire rope of the steel wire rope reel, and one end of a cable of the cable reel (3) is electrically connected with the driving device of the lifting appliance; and the steel wire rope reel and the cable reel (3) are respectively provided with a circle detection device, and the circle detection devices are respectively and electrically connected with the plc counting module.
2. A cable drum fault detection device as claimed in claim 1, wherein: the circle-rotating detection device comprises absolute value encoders which are respectively arranged on rotating shafts of the steel wire rope reel and the cable reel (3).
3. A cable drum fault detection device as claimed in claim 2, wherein: the rotating ring detection device comprises an absolute value encoder, a reflective sticker (1) and a photoelectric switch (2), wherein the absolute value encoder is arranged on a rotating shaft of the steel wire rope winding drum; reflection of light sticker (1) about the pivot symmetry of cable drum (3) is installed the left and right sides of terminal surface before cable drum (3), photoelectric switch (2) set up the place ahead of terminal surface before cable drum (3).
4. A cable drum fault detection device as claimed in claim 3, wherein: the lifting appliance is a grab bucket, the driving device adopts an oil pump motor, and the cable is connected with the oil pump motor to control the grab bucket to open and close.
5. The cable reel failure detection device of claim 4, wherein: still include the alarm, plc count module and alarm electric connection.
6. The cable reel failure detection device of claim 5, wherein: and the plc counting module is electrically connected with the driving motors of the steel wire rope reel and the cable reel (3).
7. A cable reel failure detection device as claimed in claim 1 or 6, wherein: the cable drum (3) adopts a spring type cable drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221004844.XU CN217211399U (en) | 2022-04-28 | 2022-04-28 | Cable drum fault detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221004844.XU CN217211399U (en) | 2022-04-28 | 2022-04-28 | Cable drum fault detection device |
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| Publication Number | Publication Date |
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| CN217211399U true CN217211399U (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221004844.XU Active CN217211399U (en) | 2022-04-28 | 2022-04-28 | Cable drum fault detection device |
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| CN (1) | CN217211399U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116070154A (en) * | 2023-03-29 | 2023-05-05 | 山东金帝精密机械科技股份有限公司 | Fault detection method, equipment and medium for large bearing retainer |
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2022
- 2022-04-28 CN CN202221004844.XU patent/CN217211399U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116070154A (en) * | 2023-03-29 | 2023-05-05 | 山东金帝精密机械科技股份有限公司 | Fault detection method, equipment and medium for large bearing retainer |
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