CN201608490U - Wound roll cable protector - Google Patents
Wound roll cable protector Download PDFInfo
- Publication number
- CN201608490U CN201608490U CN2010200329247U CN201020032924U CN201608490U CN 201608490 U CN201608490 U CN 201608490U CN 2010200329247 U CN2010200329247 U CN 2010200329247U CN 201020032924 U CN201020032924 U CN 201020032924U CN 201608490 U CN201608490 U CN 201608490U
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- Prior art keywords
- reel
- wound roll
- rotating disk
- series
- relay
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Abstract
The utility model discloses a wound roll cable protector, which is arranged on the existing wound roll device. The wound roll cable protector comprises at least one signal baffle block, a proximity switch, an intermediate relay and a time relay, wherein the signal baffle block is arranged on a wound roll turntable, the proximity switch is arranged on the wound roll, the intermediate relay is connected in series with the proximity switch, the time relay is connected in series with contacts of the intermediate relay, a pair of contacts of the time relay is connected in series with a parallel connection circuit consisting of the existing wound roll operation contact device and a trolly operation contact device, and the three serial connection circuits are connected in series with a thermal relay and a control switch arranged in the existing wound roll device after being connected in parallel. The utility model adds elements for detecting the rotation conditions of the wound roll turntable and corresponding circuit control elements on the existing wound roll device, and the real-time detection on the rotation fault of the wound roll turntable can be further realized. When the wound roll turntable does not rotate, the wound roll and a trolly can stop immediately.
Description
Technical field
The utility model relates to automatic control device, relates in particular to a kind of automation equipment of controlling mechanically moving.
Background technology
Mechanically moving on a lot of production lines all is the mode by cable drum, promptly utilize reel volume, put the power supply synchronization and the signal transmission that reach mechanically moving.Therefore the safe and reliable of cable is the necessary condition of guaranteeing the normal operation of mobile device.
As depicted in figs. 1 and 2, existing roll device has the interlock protection signal that applies to reel and travelling bogie, and it is the auxiliary contact signal that is taken from reel major loop contactor KM1 or thermal relay Q1.In Fig. 1 reel major loop control chart: three-phase alternating current electric wire L1, L2, L3 are loop power supply, and reel thermal relay Q1, reel operation contactor KM1, reel torque controller P and reel motor M 1 are connected in the loop.If the main contacts Q1 (1-2) of reel thermal relay Q1, Q1 (3-4), Q1 (5-6) closure, then should just make reel move main contacts KM1 (1-2), KM1 (3-4), KM1 (5-6) closure of contactor KM1 from the control command of relay loop, then reel motor M 1 brings into operation.In the roll device circuit controling drawing of Fig. 2, after the auxiliary contact KM1 (13-14) of the coil of trolley travelling contactor KM2 and reel operation contactor KM1 is connected in series, be connected with the coils from parallel connection of coils of reel operation contactor KM1, this parallel circuits and thermal relay Q1 and reel control switch ST are connected in series, another auxiliary contact KM1 (11-12) of reel operation contactor KM1 is connected in parallel with the reel control switch, is used for the self-insurance of reel control switch ST.After the reel control switch ST closure, reel operation contactor KM1 gets electric, its contact KM1 (13-14) closure, the reel motor brings into operation, trolley travelling contactor KM2 also electric, dolly also brings into operation.In the running, if reel has unusually, thermal relay Q1 tripping, then trolley travelling contactor KM2 outage, dolly is out of service, and cable is had individual protective effect.But this device but can not play a role to the motionless fault of reel rotating disk, because this auxiliary contact signal can not reflect the actual rotation situation of reel rotating disk fully.Owing to mostly constitute between reel motor and the rotating disk by transmission devices such as nylon pin joint hands, the fracture of the catcher transmission device of etc.ing many times can appear, cause reel rotating disk disengagement reel motor and situation about stopping operating.This moment, the reel major loop remained closed electric state, and the reel motor is in idle running, and the reel rotating disk has stopped not changeing, and cable just takes place in this case easily break away from the reel slot rolling, piles up on the ground, the phenomenon that is rolled bad by wheel.
Existing cable protecting device mainly is that mechanically one prevents the cable derailing or prevents the protective device that molten iron that cable is splashed burns out.Though such device works to prevent cable and escapes cable drum when coil of cable is put motion; thereby cable can be batched and discharge smoothly; but this device does not have protective effect under a lot of situations; for example; if the transportation walking dolly is in running; the cable drum rotating disk breaks down and stops operating, and this moment, cable still can break away from the reel slot rolling, and was rolled bad by wheel.And open day is; publication number is CN2592312; name is called disclosed technical scheme in the patent of " buggy ladle cable protecting device " and also just solves the molten steel scaling loss that cable that original device exists splashed even all burn out and need overhaul or change the problem of cable and the problem of unresolved cable derailing.
Summary of the invention
The purpose of this utility model is a kind of drum cable protective device of design; this device can solve in process of production; because the cable drum rotating disk is blocked by material from spool body disengaging or cable drum rotating disk; and make the reel rotating disk stop operating; transport walking dolly simultaneously still in operation; the cable that causes breaks away from the reel slot rolling, piles up on the ground the problem that is rolled bad by wheel.
Technical conceive of the present utility model is: install respectively on existing spool body and reel rotating disk near switch and signal block, should can effectively detect the actual rotation situation of reel rotating disk near switch enclosure signal block cooperating, and the signal of this actual rotation situation is transferred to control loop, by the operation of control loop control dolly, thereby realize preventing the generation of the drum cable derailing fault that the motionless and travelling bogie of reel rotating disk still causes in operation.
For achieving the above object, the utility model provides a kind of drum cable protective device, and this device is located on the existing roll device, comprising:
At least one signal block is located at the end face that closes on reel on the reel rotating disk that has roll device now;
One near switch, is located at the end face that closes on the reel rotating disk on the reel that has roll device now;
One auxiliary relay comprises an auxiliary relay coil and a secondary auxiliary relay contact, and described auxiliary relay coil is connected to first series circuit with described the series connection near switch;
One time relay comprises time relay coil and two secondary time relay contacts, and it is second series circuit that described time relay coil, a secondary time relay contact and auxiliary relay contact are connected in series;
It is the 3rd series circuit that the parallel circuits that reel operation contactor in described another secondary time relay contact and the existing roll device and trolley travelling contactor are formed is connected in series, the setting-up time of the time relay is the number of required time in reel dial rotation one week divided by the signal link stopper, multiply by 120% again.
Described first series circuit, second series circuit and the 3rd series circuit are connected in parallel afterwards and thermal relay and control switch in the existing roll device are connected in series.
Preferably, the number of described signal block is 2
n, n is from 1 to 5 natural number, described signal block is that symmetrical centre is symmetrical arranged with the center of circle of reel rotating disk.The number of signal block is many more, and the control precision of this device is just high more.
Preferably, the distance between the described signal block and the reel rotating disk center of circle is 0.5～0.8 times of rotating disk end face radius.
A kind of drum cable protective device of the utility model is to have increased detecting element on original roll device, and has increased the testing circuit of a cover reel rotating disk actual rotation situation in former control reel loop.Along with the rotation of reel rotating disk, periodic closed or open near whether switch is sheltered from by the signal block according to it.After the console switch closure, the coil electricity of reel operation contactor, the closing of contact of reel operation contactor, the coil electricity of trolley travelling contactor, trolley travelling, control switch also obtains self-insurance simultaneously.
In the time of this external control switch closure, time relay coil gets electric, picks up counting.Under the normal condition, the reel dial rotation drives the signal block and does periodic sequential movements, also make near the open and close of switch periods, make with the auxiliary relay coil period of connecting near switch must electric and dead electricity, just make that so also the contact of auxiliary relay is periodic closed and open, finally make the timing and the zero clearing of coil period of the time relay.In the running, if reel has unusually, thermal relay will tripping so, the outage of travelling bogie contactor, and dolly is out of service.If motionless fault appears in the reel rotating disk, the signal block does not have the periodicity action of blocking, geing out of the way yet so, can not change in delay time near switch yet.When the timing time of time relay to the time; two secondary normally closed time-delay break contacts of the time relay will disconnect; make reel operation contactor, trolley travelling contactor cut off the power supply simultaneously, reel and dolly are all out of service, so just can play a very good protection to cable.
The utility model is owing to adopted above technical scheme, make it to detect effectively the actual rotation situation of reel rotating disk, when the reel rotating disk stops operating, dolly and reel can receive immediately that also signal stops operating, thereby prevent in process of production, the reel rotating disk hinder for some reason stop operating after, cable breaks away from the reel slot rolling, be deposited in ground, the phenomenon that is rolled bad by wheel.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is existing reel major loop control chart.
Fig. 2 is existing reel protection circuit controls figure.
Fig. 3 is provided with schematic diagram for the detecting element of drum cable protective device among the utility model embodiment 1.
Fig. 4 is the schematic diagram of reel rotating disk in the drum cable protective device among the utility model embodiment 1.
Fig. 5 is the circuit controling drawing of a kind of drum cable protective device of the utility model.
Embodiment
This embodiment is a kind of preferred version of a kind of drum cable protective device of the utility model.As shown in Figure 3 and Figure 4, be located at the end face that closes on reel rotating disk 2 on the reel 1 near switch 3,4 signal blocks 4 are symmetrical centre with the center of circle of reel rotating disk 2, be symmetricly set on reel rotating disk 2 near on the end faces of reel 1,4 signal blocks 4 are 0.5 times of rotating disk radius apart from the distance in reel rotating disk 2 centers of circle.In the course of work, along with the rotation of reel rotating disk 2, signal block 4 periodically blocks near switch 3, makes near switch 3 periodic closures, opens.
As shown in Figure 5, this device has increased the testing circuit of a cover reel rotating disk actual rotation situation in existing reel control loop.The coil K1 (A1-A2) of auxiliary relay K1 is first series circuit with being connected in series near switch 3; It is second series circuit that one auxiliary contact SJ (1-2) of the coil SJ (A1-A2) of time relay sj, time relay sj is connected in series with the contact K1 (1-2) of auxiliary relay K1; It is the 3rd series circuit that the parallel circuits that reel operation contactor KM1 in another auxiliary contact SJ (3-4) of time relay sj and the existing roll device and trolley travelling contactor KM2 form is connected in series.Because the time that the reel rotating disk turns around in producing is about 16s,, be 4.8s with the time set of time relay sj therefore according to the number of signal block.Above-mentioned first series circuit, second series circuit and the 3rd series circuit are connected in parallel afterwards and thermal relay Q1 and control switch ST in the existing roll device are connected in series.When execute-in-place case operation-control switch ST is closed, coil KM1 (A1-A2) energising of reel operation contactor KM1, secondary auxiliary normally opened contact KM1 (13-14) closure of reel operation contactor KM1, the coil KM2 (A1-A2) of trolley travelling contactor KM2 switches on immediately, another secondary auxiliary normally opened contact KM1 (11-12) closure of the contactor of reel operation simultaneously KM1, the shift knob signal of control switch ST obtains self-insurance.Under this state, reel and dolly be normally operation all.In addition, in the time of control switch ST closure, the coil SJ (A1-A2) of time relay sj gets electric, picks up counting.Under the normal condition, the reel dial rotation drives the signal link stopper and does periodic sequential movements, two adjacent signal blocks are 4s through the time near switch 3, just be the cycle so near switch 3 with 4s, periodically open, closure, thereby make the coil K1 (A1-A2) of auxiliary relay K1 periodic electric and dead electricity, and then make that the contact K1 (1-2) of auxiliary relay K1 is periodic closed and open, make that finally the coil SJ (A1-A2) of time relay sj can periodic timing and zero clearing.In the running, if reel has unusually, the thermal relay Q1 tripping in the control circuit, trolley travelling contactor KM2 outage, dolly is out of service.If motionless fault appears in the reel rotating disk; the signal block will no longer move so; switch near switch 3 can not change in the time 4.8s that time relay sj is set yet; when time relay sj timing time 4.8s to the time; its normally closed time-delay break contact SJ (3-4), SJ (1-2) will disconnect; make reel operation contactor KM1, trolley travelling contactor KM2 cut off the power supply simultaneously, reel and dolly are all out of service, and then cable is shielded.
In the present embodiment, be located at the end face that closes on reel rotating disk 2 on the reel 1 near switch 3,1 signal block 4 is located at reel rotating disk 2 near on the end face of reel 1, and its distance apart from reel rotating disk 2 centers of circle is 0.8 times of rotating disk radius.In the course of work, along with the rotation of reel rotating disk 2, signal block 4 periodically blocks near switch 3, makes near switch 3 periodic closures, opens.
Circuit controling element in the present embodiment is identical with embodiment 1; the workflow of this drum cable protective device is also identical with embodiment 1; just wherein the setting-up time of the time relay is adjusted into 19.2 seconds; promptly when time relay timing to 19.2 second; its contact is with regard to automatic disconnection; and then disconnecting the operation circuit of reel and dolly simultaneously, present embodiment is owing to only adopted 1 signal block, so control precision is lower than embodiment 1.
In the present embodiment, be located at the end face that closes on reel rotating disk 2 on the reel 1 near switch 3,32 signal blocks 4 are symmetrical centre with the center of circle of reel rotating disk 2, be symmetricly set on reel rotating disk 2 near on the end face of reel 1, these 32 signal blocks 4 are 0.6 times of rotating disk radius apart from the distance in reel rotating disk 2 centers of circle.In the course of work, along with the rotation of reel rotating disk 2, signal block 4 periodically blocks near switch 3, makes near switch 3 periodic closures, opens.
Circuit controling element in the present embodiment is identical with embodiment 1; the workflow of this drum cable protective device is also identical with embodiment 1; just wherein the setting-up time of the time relay is adjusted into 0.6 second; promptly when time relay timing to 0.6 second, its contact is with regard to automatic disconnection, and then disconnects the operation circuit of reel and dolly simultaneously; present embodiment is owing to adopted a plurality of signal blocks; so its control precision is quite high, in case the reel rotating disk is motionless, dolly and reel can be shut down at once.
This shows that a kind of drum cable protective device of the utility model can be adjusted the number of signal block according to demand of practical production, and then realizes different control precisions.In case the reel rotating disk breaks down and do not rotate, can realize reel and dolly hard stop.It is simple in structure, is easy to install and maintenance, has good implementation result.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the distortion of the above embodiment.
Claims (3)
1. a drum cable protective device is characterized in that, is located on the existing roll device, and described drum cable protective device comprises:
At least one signal block is located at the end face that closes on reel on the reel rotating disk that has roll device now;
One near switch, is located at the end face that closes on the reel rotating disk on the reel that has roll device now;
One auxiliary relay comprises an auxiliary relay coil and a secondary auxiliary relay contact, and described auxiliary relay coil is connected to first series circuit with described the series connection near switch;
One time relay, comprise time relay coil and two secondary time relay contacts, it is second series circuit that described time relay coil, a secondary time relay contact and auxiliary relay contact are connected in series, and it is the 3rd series circuit that the parallel circuits that reel operation contactor in described another secondary time relay contact and the existing roll device and trolley travelling contactor are formed is connected in series;
Described first series circuit, second series circuit and the 3rd series circuit are connected in parallel afterwards and thermal relay and control switch in the existing roll device are connected in series.
2. drum cable protective device as claimed in claim 1 is characterized in that, the number of described signal block is 2
n, n is from 1 to 5 natural number, described signal block is that symmetrical centre is symmetrical arranged with the center of circle of reel rotating disk.
3. drum cable protective device as claimed in claim 2 is characterized in that, the distance between the described signal block and the reel rotating disk center of circle is 0.5～0.8 times of rotating disk end face radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200329247U CN201608490U (en) | 2010-01-12 | 2010-01-12 | Wound roll cable protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200329247U CN201608490U (en) | 2010-01-12 | 2010-01-12 | Wound roll cable protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201608490U true CN201608490U (en) | 2010-10-13 |
Family
ID=42953191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200329247U Expired - Fee Related CN201608490U (en) | 2010-01-12 | 2010-01-12 | Wound roll cable protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201608490U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103803355A (en) * | 2014-02-10 | 2014-05-21 | 山西太钢不锈钢股份有限公司 | Stacker-reclaimer winding drum towline protecting device |
| CN107265326A (en) * | 2017-07-12 | 2017-10-20 | 中国电建集团核电工程公司 | Electric travelling crane hoisting mechanism braking ability early warning system |
| CN110143521A (en) * | 2019-05-07 | 2019-08-20 | 邯郸钢铁集团有限责任公司 | Sync detection device and method under a kind of double lifting mechanism friction speeds |
| CN111431145A (en) * | 2020-04-13 | 2020-07-17 | 辽宁禾丰牧业股份有限公司 | Passive end anti-stall circuit, passive end anti-stall system composed of same and passive end anti-stall method |
-
2010
- 2010-01-12 CN CN2010200329247U patent/CN201608490U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103803355A (en) * | 2014-02-10 | 2014-05-21 | 山西太钢不锈钢股份有限公司 | Stacker-reclaimer winding drum towline protecting device |
| CN107265326A (en) * | 2017-07-12 | 2017-10-20 | 中国电建集团核电工程公司 | Electric travelling crane hoisting mechanism braking ability early warning system |
| CN107265326B (en) * | 2017-07-12 | 2023-01-03 | 中国电建集团核电工程公司 | Braking performance early warning system for hoisting mechanism of electric crane |
| CN110143521A (en) * | 2019-05-07 | 2019-08-20 | 邯郸钢铁集团有限责任公司 | Sync detection device and method under a kind of double lifting mechanism friction speeds |
| CN110143521B (en) * | 2019-05-07 | 2024-04-05 | 邯郸钢铁集团有限责任公司 | Synchronous detection device and method for double lifting mechanisms at different speeds |
| CN111431145A (en) * | 2020-04-13 | 2020-07-17 | 辽宁禾丰牧业股份有限公司 | Passive end anti-stall circuit, passive end anti-stall system composed of same and passive end anti-stall method |
| CN111431145B (en) * | 2020-04-13 | 2022-07-22 | 禾丰食品股份有限公司 | Passive end anti-stall circuit, passive end anti-stall system composed of same and passive end anti-stall method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101013 Termination date: 20160112 |