CN202594650U - Cable coiling type cable overtravel protection device of gantry crane - Google Patents
Cable coiling type cable overtravel protection device of gantry crane Download PDFInfo
- Publication number
- CN202594650U CN202594650U CN 201120569096 CN201120569096U CN202594650U CN 202594650 U CN202594650 U CN 202594650U CN 201120569096 CN201120569096 CN 201120569096 CN 201120569096 U CN201120569096 U CN 201120569096U CN 202594650 U CN202594650 U CN 202594650U
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- CN
- China
- Prior art keywords
- cable
- main power
- power supply
- protection device
- visual alarm
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- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a cable coiling type cable overtravel protection device of a gantry crane, which comprises a phase sequence protector, a traveling motor (5), a power supply terminal, a limit switch (XK), a traveling mechanism main power supply contactor (1) and an audible and visual alarm (4), wherein the limit switch (XK) is connected between the traveling mechanism main power supply contactor (1) and the phase sequence protector; one end of the traveling mechanism main power supply contactor (1) is connected with the traveling motor (5) through two groups of combined switches, and the other end thereof is connected with the power supply terminal; and the audible and visual alarm (4) is connected with the power supply terminal through a normally-closed contact (2). The utility model has the advantage that the cable coiling type cable overtravel protection device can send out a guard signal automatically and cut off a traveling mechanism main power supply to protect a cable.
Description
Technical field
The utility model relates to a kind of cable overtravel protection device of coil of cable disc type gauntry crane.
Background technology
In daily production run, be total to the gauntry crane of rail or parallel mutual operation, because walking path is different in size; The configuration of mains power cable length does not wait, and often causes the hoisting crane travel distance to exceed mains power cable length, causes cable trunk to break; The normal operation of influence produces potential safety hazard.
The utility model content
To above-mentioned technical matters, the purpose of the utility model provides a kind ofly can send alarm signal automatically when hoisting crane walking will exceed the cable length scope, and will cut off the cable overtravel protection device of the coil of cable disc type gauntry crane of traveling gear main power source.
The utility model adopts following technical scheme; A kind of cable overtravel protection device of coil of cable disc type gauntry crane comprises phase sequence relay, movable motor, feeder ear, limit switch, traveling gear main power source contactless switch and combined aural and visual alarm; Limit switch is connected between traveling gear main power source contactless switch and the phase sequence relay; One end of traveling gear main power source contactless switch is connected with movable motor through two groups of combined switches; The other end is connected with feeder ear, and combined aural and visual alarm is connected with feeder ear through normally closed contact.
Said combined aural and visual alarm also is connected with movable motor through open contact.
The purpose of the utility model has provided a kind ofly can send alarm signal automatically when hoisting crane walking will exceed the cable length scope, and will cut off the cable overtravel protection device of the coil of cable disc type gauntry crane of traveling gear main power source.Have and to send alarm signal automatically, and cut off the traveling gear main power source, the advantage of protection cable.
Description of drawings
Fig. 1 is the utility model control circuit scheme drawing;
Fig. 2 is the utility model way circuit scheme drawing;
Fig. 3 is the scheme drawing of limit switch XK contact in practical implementation in the utility model;
Wherein, XK. limit switch, 1. traveling gear main power source contactless switch, 2. normally closed contact, 3. open contact, 4. combined aural and visual alarm, 5. movable motor, DXJ. phase sequence relay.
The specific embodiment
Below in conjunction with Figure of description the specific embodiment of the utility model is done further detailed explanation.
As depicted in figs. 1 and 2; The utility model comprises phase sequence relay, movable motor 5, feeder ear, limit switch XK, traveling gear main power source contactless switch 1 and combined aural and visual alarm 4; Limit switch XK is connected between traveling gear main power source contactless switch 1 and the phase sequence relay; One end of traveling gear main power source contactless switch 1 is connected with movable motor 5 through two groups of combined switches, and the other end is connected with feeder ear, and combined aural and visual alarm 4 is connected with feeder ear through normally closed contact 2.
Said combined aural and visual alarm also is connected with movable motor through open contact 3.
Like Fig. 1, Fig. 2 and shown in Figure 3 is in practical implementation; The cable drum inner ring is installed a cover limit switch XK contact, and limit switch XK contact is inserted between traveling gear main power source contactless switch 1 and the phase sequence relay through current colector, is connected with traveling gear main power source contactless switch 1; Limit switch XK contact receives compressing of internal layer cable, remains normally off, and traveling gear main power source contactless switch 1 is in attracting state; When the cable on the cable drum was soon all emitted the possibility excess of stroke, at this moment, the internal layer cable became lax; Limit switch XK becomes open-circuit condition, and traveling gear main power source contactless switch 1 dead electricity is broken off, after traveling gear main power source contactless switch 1 breaks off; Movable motor 5 outages quit work, and realize the overtravel protection to cable, normally closed contact 2 conductings of combined aural and visual alarm 4 upsides; Combined aural and visual alarm 4 gets electric through normally closed contact 2, send alarm signal.
Under the normal circumstances; Limit switch XK contact remains normally off; Traveling gear main power source contactless switch 1 is in attracting state; The normally closed contact 2 of combined aural and visual alarm 4 upsides is in disconnection, combined aural and visual alarm 4 often open contact 3 insert movable motors 5 U mutually with V mutually, movable motor 5 warn large vehicle walking under the electric state.
When the cable on cable drum occurring will soon all be emitted the possibility excess of stroke; Limit switch XK contact open makes traveling gear main power source contactless switch 1 break off normally closed contact 2 conductings of combined aural and visual alarm 4 upsides; Combined aural and visual alarm 4 gets electric through normally closed contact 2, send alarm signal.
The utility model is when the cable excess of stroke; Can cut off the traveling gear general supply automatically; But do not cut off the equipment general supply, avoided doing at the same time and cut off general supply when promoting action, crane job is brought potential safety hazard; This utility model is applicable to that common rail gauntry crane uses, and also can be used for the cable protection of heavy industry industry weight-lifting equipment.
Combine accompanying drawing that the embodiment of the utility model has been done detailed description above; But the utility model is not limited to above-mentioned embodiment; In the ken that those of ordinary skills possessed, can also under the prerequisite that does not break away from the utility model aim, make various variations.
Claims (2)
1. the cable overtravel protection device of a coil of cable disc type gauntry crane; Comprise phase sequence relay, movable motor (5) and feeder ear; It is characterized in that: also comprise limit switch (XK), traveling gear main power source contactless switch (1) and combined aural and visual alarm (4); Limit switch (XK) is connected between traveling gear main power source contactless switch (1) and the phase sequence relay; One end of traveling gear main power source contactless switch (1) is connected with movable motor (5) through two groups of combined switches, and the other end is connected with feeder ear, and combined aural and visual alarm (4) is connected with feeder ear through normally closed contact (2).
2. according to the cable overtravel protection device of the said a kind of coil of cable disc type gauntry crane of claim 1, it is characterized in that: said combined aural and visual alarm (4) also is connected with movable motor (5) through open contact (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120569096 CN202594650U (en) | 2011-12-31 | 2011-12-31 | Cable coiling type cable overtravel protection device of gantry crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120569096 CN202594650U (en) | 2011-12-31 | 2011-12-31 | Cable coiling type cable overtravel protection device of gantry crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202594650U true CN202594650U (en) | 2012-12-12 |
Family
ID=47312210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120569096 Expired - Lifetime CN202594650U (en) | 2011-12-31 | 2011-12-31 | Cable coiling type cable overtravel protection device of gantry crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202594650U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103222413A (en) * | 2013-04-23 | 2013-07-31 | 江苏华源灌排有限公司 | Warning system of reel sprinkler |
| CN110039036A (en) * | 2019-04-19 | 2019-07-23 | 山信软件股份有限公司 | A kind of converter buggy ladle, the slag car are anti-to open overtravel technology |
-
2011
- 2011-12-31 CN CN 201120569096 patent/CN202594650U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103222413A (en) * | 2013-04-23 | 2013-07-31 | 江苏华源灌排有限公司 | Warning system of reel sprinkler |
| CN110039036A (en) * | 2019-04-19 | 2019-07-23 | 山信软件股份有限公司 | A kind of converter buggy ladle, the slag car are anti-to open overtravel technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI ZHENHUA HEAVY INDUSTRY QIDONG MARINE ENGI Free format text: FORMER NAME: JIANGSU DAODA MARINE HEAVY INDUSTRY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Yang Zhen Qidong City Yin Industrial Park in Jiangsu province 226259 ships in Nantong City Patentee after: SHANGHAI ZHENHUA HEAVY INDUSTRY QIDONG MARINE ENGINEERING CO., LTD. Address before: Yang Zhen Qidong City Yin Industrial Park in Jiangsu province 226259 ships in Nantong City Patentee before: Jiangsu Daoda Marine Heavy Industry Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121212 |