CN202701324U - Back-off device of dummy bar hoisting hook - Google Patents
Back-off device of dummy bar hoisting hook Download PDFInfo
- Publication number
- CN202701324U CN202701324U CN 201220306156 CN201220306156U CN202701324U CN 202701324 U CN202701324 U CN 202701324U CN 201220306156 CN201220306156 CN 201220306156 CN 201220306156 U CN201220306156 U CN 201220306156U CN 202701324 U CN202701324 U CN 202701324U
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- dummy bar
- hook
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- model
- guide rail
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Abstract
The utility model discloses a back-off device of a dummy bar hoisting hook; and the back-off device comprises a hoisting mechanism and a dummy bar vehicle, wherein the hoisting mechanism comprises a winding drum, a steel wire rope, a rotating guide rail and a hoisting hook; the rotating guide rail is fixed on the wall or a fixed piece by a fixed rotating shaft; the hoisting hook is connected to the rotating guide rail by a hoisting hook guide wheel; a telescopic rod is connected to the rotating guide rail; one end of the telescopic rod is connected with the rotating guide rail by a rotating shaft; the other end of the telescopic rod is connected with an electric motor; a trigger block is arranged on the telescopic rod; and a working station switch and a back-off station switch are arranged on a telescopic path of the telescopic rod. According to the utility model, through the adoption of the back-off device disclosed by the utility model, situations of mechanical interference and collision between a dummy bar, which continuously rises with a recycling hook of a transmission chain, and the hoisting hook, which stops at a rising stopping position, can be effectively avoided; therefore, the safety is enhanced, the smooth implementation of a production process is guaranteed and the production efficiency is also increased.
Description
Technical field
The utility model relates to the dummy bar of continuous casting machine hoist engine, particularly a kind of Withdraw and keep-off device of dummy bar elevator hook.
Background technology
In steel production enterprise, slab caster more commonly adopts dress dummy bar mode, thereby purpose is to shorten the time raising casting machine production efficiency that casting is prepared.For the upper dress of realizing dummy bar must arrange relevant equipment at continuous casting platform, comprise the hoisting mechanism that promotes for dummy bar, keep out of the way the dummy bar car of mechanism, recovery and the usefulness of packing into and driving-chain etc.Generally dummy bar reclaims in two steps, the first step, dummy bar guiding strand under the casting mode from fan-shaped section out after, hook the dummy bar tail end with the casting rate Synchronous lifting by the elevator hook of transferring in advance, be recycled on the dummy bar car until the rising position of rest is waited for.Second step, dummy bar car are parked in and reclaim on the position, and the recovering hook of the driving-chain on the dummy bar car returns dummy bar and is subjected to deposit to car, in order to using next time.
Consider that from equipment interlocking and secure context the removal process of dummy bar should be perfectly safe, when the recovering hook of the driving-chain on the dummy bar car from the original position running after hook the dummy bar tail end, there are mechanical interference in the recovering hook dummy bar that continues to rise and the elevator hook that is parked in the rising position of rest with driving-chain, the danger that bumps.
The utility model content
The purpose of this utility model is in order to overcome the problems referred to above, a kind of Withdraw and keep-off device of dummy bar elevator hook to be provided.
For achieving the above object, the method that the utility model adopts is: a kind of Withdraw and keep-off device of dummy bar elevator hook, comprise hoisting mechanism, the dummy bar car, described hoisting mechanism comprises reel, steel wire rope, rotary rail and elevator hook, described rotary rail is fixed on wall or the fixture by fixing rotating shaft, described elevator hook is connected to described rotary rail by elevator hook guide wheel, be connected with expansion link at described rotary rail, described expansion link one end is connected with rotary rail by rotating shaft, the other end links to each other with motor, be provided with triggering block at described expansion link, be provided with the working position switch in the flexible path of described expansion link and keep out of the way bit switch.
As a kind of improvement of the present utility model, described working position switch and the described bit switch of keeping out of the way are two approach switchs.
The beneficial effects of the utility model are:
The utility model is by adopting said apparatus can effectively avoid having mechanical interference with the recovering hook dummy bar that continues to rise and the elevator hook that is parked in the rising position of rest of driving-chain, situation about bumping, improved security, guarantee carrying out smoothly of production technology, also improved the efficient of producing simultaneously.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model electric control theory figure;
Fig. 3 is the structural representation that falls back on the position of Withdraw and keep-off device of the present utility model;
Wherein each parts is:
1 reel, 2 steel wire ropes, 3 fixedly rotating shaft, 4 rotary rails, 5 elevator hook guide wheels, 6 triggering blocks, 7 expansion links, 8 motor, 9 working position switches, 10 are kept out of the way bit switch, 11 rotating shafts, 12 moving rotary axles, 13 elevator hooks, 14 chain recovering hooks, 15 dummy bar cars, 16 and are tightly stopped interface, 17 communication interfaces, 18 input/output interfaces, 19 central processing units, 20 over-current detectors.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described;
Below in conjunction with embodiment and with reference to accompanying drawing the utility model is further described, should understands the following specific embodiment and only be used for explanation the utility model and be not used in restriction scope of the present utility model.Need to prove, word 'fornt', 'back', " left side ", " right side ", "up" and "down" that use is described below refer to the direction among the width of cloth figure, word " interior " and " outward " refer to respectively towards or away from the direction of particular elements geometric center.
The Withdraw and keep-off device of a kind of dummy bar elevator hook as described in Figure 1, comprise hoisting mechanism, dummy bar car 15, be provided with chain recovering hook 14 at dummy bar car 15, described hoisting mechanism comprises reel 1, steel wire rope 2, rotary rail 4 and elevator hook 13, described rotary rail 4 is fixed on wall or the fixture by fixing rotating shaft 3, described elevator hook 13 is connected on the described rotary rail 4 by elevator hook guide wheel 5, be connected with expansion link 7 at described rotary rail 4, described expansion link 7 one ends are connected with rotary rail 4 by moving rotary axle 12, and the other end links to each other with motor 8.Be provided with triggering block 6 at described expansion link 7, be provided with working position switch 9 in the flexible path of described expansion link 7 and keep out of the way bit switch 10, in the present embodiment, described working position switch 9 is two approach switchs with keeping out of the way bit switch 10.
Electric control circuit of the present utility model as shown in Figure 2, main circuit partly is connected in main circuit for the contactor KM1 of control motor 8 rotatings and the normally opened contact of contactor KM2 for three phase mains connects motor 8, in the control circuit part, the coil of contactor KM1 is connected with the normally-closed contact of contactor KM2, the coil of contactor KM2 is connected with the normally-closed contact of contactor KM1, after the central processing unit 19 that is connected in parallel again, between central processing unit 19 and main circuit, also be connected with over-current detector 20.Described central processing unit 19 is connected with the 220V alternating current, also is provided with three interfaces on described central processing unit 19, tightly stops interface 16, communication interface 17 and input/output interface 18.
Described interface 16 host computers that tightly stop link to each other, and under the state of emergency, scene or host computer can make electric control system contactor coil KM1 and KM2 outage by tightly stopping interface 1, guarantee the device emergent stopping.
Described communication interface 17 links to each other with host computer, links to each other with host computer by communication interface 17 and realizes that central processing unit 19 and host computer carry out the real-time exchange of information.
Described input/output interface 18 and described working position switch 9 with keep out of the way bit switch 10 and link to each other, be used for gathering its state.
The course of work of the present utility model is as follows:
The Withdraw and keep-off device original state is " working position ".
1. elevator hook ascent stage
When PC control elevator hook 13 hooks in the dummy bar uphill process at the decline position of rest, host computer sends instruction to Withdraw and keep-off device, forbids the Withdraw and keep-off device action.
2. dummy bar recovery stage
PC control elevator hook 13 hooks dummy bar and stops at the rising position of rest, and dummy bar car 15 is parked in and reclaims the position.Reclaim beginning, when PC control chain recovering hook 14 is rotated counterclockwise when hooking the dummy bar tail, chain recovering hook 14 stops after continuing to rotate to an angle, and this moment, dummy bar was raised, and elevator hook 13 breaks away from the dummy bar vertical direction.Host computer sends instruction and carries out rotary rail 4 from " working position is " to " keeping out of the way the position " process to Withdraw and keep-off device after the time-delay, it is flexible to drive expansion link 7 by motor 8, expansion link 7 driven rotary guide rails 4 rotate again, rotary rail 4 drives elevator hook 13 by elevator hook guide wheel on the elevator hook 13 5 and rotates, elevator hook 13 horizontal directions are rotated to keeping out of the way the position, when the triggering block 6 on the expansion link 7 touches when keeping out of the way bit switch 10, keep out of the way bit switch 10 and issue a signal to central processing unit 19 in the control circuit, central processing unit 19 control motor 8 stop, and elevator hook 13 was kept out of the way and put in place this moment.The rear chain recovering hook 14 of delaying time again hooks dummy bar and moves on dummy bar car 15, until dummy bar is transferred on the dummy bar car 15 fully.
After PC control dummy bar car 15 left and reclaims the position, host computer sent instruction and carries out rotary rail 4 and elevator hook 13 from " keeping out of the way the position " to " working position " process to Withdraw and keep-off device.Rotary rail 4 drives elevator hook 13 by elevator hook guide wheel on the elevator hook 13 5 and returns to working position, it is flexible to drive expansion link 7 by motor 8, expansion link 7 driven rotary guide rails 4 rotate again, and rotary rail 4 drives elevator hook 13 rotation water by elevator hook guide wheel on the elevator hook 13 5 and gets back to " working position ".When the triggering block 6 on the expansion link 7 touched working position switch 9, working position switch 9 issued a signal to the central processing unit 19 in the control circuit, and central processing unit 19 control motor 8 stop, and elevator hook 13 is got back to working position at this moment.
3. elevator hook decline stage
The utility model is by adopting said apparatus can effectively avoid having mechanical interference with the recovering hook dummy bar that continues to rise and the elevator hook that is parked in the rising position of rest of driving-chain, situation about bumping, improved security, guarantee carrying out smoothly of production technology, also improved the efficient of producing simultaneously.
The above; it only is preferred embodiment of the present utility model; be not to be the restriction of the utility model being made any other form, and according to any modification or equivalent variations that technical spirit of the present utility model is done, still belong to the utility model scope required for protection.
Claims (2)
1. the Withdraw and keep-off device of a dummy bar elevator hook, comprise hoisting mechanism, the dummy bar car, described hoisting mechanism comprises reel, steel wire rope, rotary rail and elevator hook, described rotary rail is fixed on wall or the fixture by fixing rotating shaft, described elevator hook is connected to described rotary rail by elevator hook guide wheel, it is characterized in that: be connected with expansion link at described rotary rail, described expansion link one end is connected with rotary rail by rotating shaft, the other end links to each other with motor, be provided with triggering block at described expansion link, be provided with the working position switch in the flexible path of described expansion link and keep out of the way bit switch.
2. the Withdraw and keep-off device of a kind of dummy bar elevator hook according to claim 1, it is characterized in that: described working position switch and the described bit switch of keeping out of the way are two approach switchs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220306156 CN202701324U (en) | 2012-06-28 | 2012-06-28 | Back-off device of dummy bar hoisting hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220306156 CN202701324U (en) | 2012-06-28 | 2012-06-28 | Back-off device of dummy bar hoisting hook |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202701324U true CN202701324U (en) | 2013-01-30 |
Family
ID=47581664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220306156 Expired - Fee Related CN202701324U (en) | 2012-06-28 | 2012-06-28 | Back-off device of dummy bar hoisting hook |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202701324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689661A (en) * | 2016-04-06 | 2016-06-22 | 中国重型机械研究院股份公司 | Rigid dummy ingot bar of super-thick vertical type casting machine |
-
2012
- 2012-06-28 CN CN 201220306156 patent/CN202701324U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689661A (en) * | 2016-04-06 | 2016-06-22 | 中国重型机械研究院股份公司 | Rigid dummy ingot bar of super-thick vertical type casting machine |
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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: 20130130 Termination date: 20200628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |