CN102153028A - Electric hoist anti-ejection automatic control device - Google Patents
Electric hoist anti-ejection automatic control device Download PDFInfo
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- CN102153028A CN102153028A CN2011100901095A CN201110090109A CN102153028A CN 102153028 A CN102153028 A CN 102153028A CN 2011100901095 A CN2011100901095 A CN 2011100901095A CN 201110090109 A CN201110090109 A CN 201110090109A CN 102153028 A CN102153028 A CN 102153028A
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- switch
- photoelectric switch
- electric hoist
- photoelectric
- stay bearing
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- 230000000630 rising effect Effects 0.000 claims description 14
- 230000007423 decrease Effects 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000002265 prevention Effects 0.000 abstract 1
- 239000004821 Contact adhesive Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The invention relates to an electric hoist anti-ejection automatic control device which relates to hoisting equipment, in particular to the electric hoist anti-ejection automatic control device. The device comprises an electric hoist 1, an electric control box 2, a button switching box 3, a fixing bolt 4, a photoelectric switch reflection plate 5, a hook 6, a photoelectric switch 7 and supporting plates 8. The photoelectric switch 7 and the photoelectric switch reflection plate 5 are arranged on the supporting plates 8 arranged at both ends of a shell of the electric hoist 1. The technical problem of ejection prevention of the electric hoist is solved by the photoelectric technology. Before the hook 6 is lifted to an up limit position of the hook, the lifting of the hook 6 is photoelectrically controlled to be stopped. The electric hoist anti-ejection automatic control device has novel design and light structure, is simple to manufacture, has low cost, is convenient to use, is sensitive to operate, is safe and reliable, is a novel breakthrough of solving the problem of ejection protection of the electric hoist by the photoelectric technology, can be widely popularized and applied to manufacturing of novel products of all electric hoist production enterprises and can also be popularized and applied to all units using the electric hoist. The electric hoist is subjected to technical improvement, so that the safety guarantee is improved., and the potential safety hazard is eliminated.
Description
Technical field
The present invention relates to weight-lifting equipment, especially the anti-automatic control device of rushing to summit of electric block.
Background technology
The anti-technical scheme of rushing to summit of existing electric block is varied, majority is to use mechanical component such as travel switch and gear, cam, complex structure, parts are many, cost of manufacture is high, have because of the travel switch fault, cause rushing to summit, twist disconnected steel rope, cause safety misadventure, therefore functional reliability poor, have potential safety hazard, be weight-lifting equipment manufacturing and the problem of using industry all to pay close attention to and study.
The present invention adopts the photoelectric technology scheme to solve the anti-automatic guidance problem of rushing to summit of electric block, simple in structure, be active in one's movements, safe and reliable, with low cost, be to solve the anti-new breakthrough of rushing to summit of electric block with photoelectric technology.
According to retrieval, domestic do not have the patent application identical with the present invention as yet.
Summary of the invention
At the deficiency of above-mentioned existence, the invention provides a kind of light and handy with structure, make simple, with low cost, easy to use, be active in one's movements, safe and reliable, that use photoelectric technology, the anti-automatic control device of rushing to summit of electric block.
The technical solution adopted for the present invention to solve the technical problems is: as shown in Figure 1 and Figure 2, the anti-automatic control device of rushing to summit of this electric block comprises electric block 1, electric cabinet 2, button switch box 3, bolt of rear end plate 4, photoelectric switch reflecting plate 5, hook 6, photoelectric switch 7, stay bearing plate 8, it is characterized in that: described electric block 1, on the two ends housing of its shell, on the axis of winding drum position, respectively do the tapped bore of a bolt of rear end plate 4; Described stay bearing plate 8 is two rectangular slabs that are fixed on the electric block 1 two ends body skin, its upper end, the bolt hole of bolt 4 fixes on the line of centers of stay bearing plate 8, by bolt of rear end plate 4 stay bearing plate 8 is fixed on the electric block 1 two ends body skin, the length of this stay bearing plate 8 is that flat length is leaned in upper end and body skin lower edge, termination, add unsettled length L below body skin lower edge, termination, when the length of its L is in up end position for hook 6, between hook 6 last end face and electric block 1 shell lower edge apart from A, add the length D of photoelectric switch 7, add 100mm, the width of this stay bearing plate 8 is consistent with the width of photoelectric switch reflecting plate 5, free end centerline at two stay bearing plates 8, make the photounit mounting center, one of them stay bearing plate 8 is installed photoelectric switch 7, another stay bearing plate 8 is installed photoelectric switch reflecting plates 5, and it is right to make photoelectric switch 7 and photoelectric switch reflecting plate 5 all be installed in the lower end and the forward surface of free end; In the described electric cabinet 2 electrical controller is housed, comprises 9---thermal relay FR, 10---contactless switch C, 11---battery isolator control QS1,12---fuse FU, 13---24V Switching Power Supply, 14---vertical relay J liter, 18---switch QS2;---scram button switch, 3.2---crawl rising button switch SB1,3.3---the crawl decline button switch SB2 that is equipped with 3.1 on the described button switch box 3; Described photoelectric switch 7 is with after vertical relay 14,24V Switching Power Supply 13 are connected, by switch QS218, form photoelectric control circuits with photoelectric switch reflecting plate 5, with SB1---control circuit and SB2 of crawl rising button switch 3.2---control circuit of crawl decline button switch 3.3 is in parallel.
During work, elder generation power turn-on main supply switch 11 and switch 18, when pressing crawl decline button switch 3.3, contactless switch C decline coil 17 electric, C falls that open contact adhesive, motor M get electric counter-rotating, hook 6 descends, unclamp crawl decline button switch 3.3, hook 6 descends and stops.When pressing crawl rising button switch 3.2, contactless switch C rising coil 16 electric, C rises the open contact adhesive, motor M gets electric 6 risings of just changeing, link up with, in uphill process, it is closed all the time that the J of photoelectric switch 7 non-output signals, vertical relay 14 rises normally closed contact 15; When distance is A+100 mm between last end face that rises to hook 6 and electric block 1 shell lower edge, blocked by hook 6 fully between photoelectric switch 7 and the photoelectric switch reflecting plate 5, photoelectric switch 7 output signals, vertical relay 14 normally closed contact 15 electric, vertical relay disconnected, cut off contactless switch C rises coil 16 power supply, make the C of contactless switch 10 rise open contact 10 disconnections, motor M dead electricity, link up with 6 risings and stop, stop under the up end position, guarantee that electric block 1 is safe and reliable, eliminate safe hidden trouble.
The invention has the beneficial effects as follows: the present invention adopts photoelectric technology, when upwards running to hook, the hook of electric block goes up end face apart from A+100 mm place, electric block shell lower edge, blocked by hook between photoelectric switch and the photoelectric switch reflecting plate, by photoelectric control circuit hook being risen stops, stopping under the up end position.Novel, structure of the present invention is light and handy, it is simple, with low cost, easy to use to make, be active in one's movements, safe and reliable, eliminate safe hidden trouble, be to solve the anti-new breakthrough of rushing to summit of electric block with photoelectric technology.But wide popularization and application also can be applied to all electric block applying units in the new product of all electric block manufacturing enterprises is made, electric block is undergone technological transformation, and increases safety control, eliminates safe hidden trouble.
Description of drawings
Fig. 1 is a complete machine structure scheme drawing of the present invention.
1---electric block, 2---electric cabinet, 3---button switch box, 3.1---emergency stop switch, 3.2---crawl rising button switch, 3.3---crawl decline button switch, 4---bolt of rear end plate, 5---photoelectric switch reflecting plate, 6---hook, 7---photoelectric switch, 8---stay bearing plate among Fig. 1.
Fig. 2 is an electrical schematic diagram of the present invention.
The lifting/lowering motor of M among Fig. 2---electric block 1,9---thermal relay FR, 10---contactless switch C, 11---battery isolator control QS1,12---fuse FU, 3.1---emergency stop switch, 3.2---crawl rising button switch SB1,3.3---crawl decline button switch SB2,13---the 24V Switching Power Supply, 14---vertical relay J liter, 18---switch QS2,7---photoelectric switch, 5---the photoelectric switch reflecting plate, 15---the normally closed contact that vertical relay J rises, 16---the C of contactless switch 10 rises coil, 17---coil falls in the C of contactless switch 10.
The specific embodiment
The invention will be further described to utilize drawings and Examples.
When the present invention installs, earlier on electric block 1 two ends body skin, on the axis of winding drum position, respectively do the tapped bore of a bolt of rear end plate 4, the stay bearing plate 8 of fixed bolt hole 4 is made to have in two upper ends, lean on the line of centers of end in its lower end, a dress photoelectric switch 7, another dress photoelectric switch reflecting plate 5 is fixed to two stay bearing plates 8 on the electric block 1 two ends body skin with bolt of rear end plate 4, and makes photoelectric switch 7 and photoelectric switch reflecting plate 5 forward surfaces right.
With photoelectric switch 7 with photoelectric switch reflecting plate 5, various electric elementss are connected by electrical schematic diagram.
During work, elder generation's power turn-on main supply switch 11, close a switch 18, when needs are linked up with 6 decline work, press crawl decline button switch 3.3, contactless switch C fall coil 17 C electric, contactless switch 10 falls that open contact adhesive, motor M get electric counter-rotating, hook 6 descends, unclamp crawl decline button switch 3.3, hook 6 descends and stops.
When needs are linked up with 6 rising work, press crawl rising button switch 3.2, contactless switch C rise coil 16 C electric, contactless switch 10 rises the open contact adhesive, motor M gets electric 6 risings of just changeing, link up with, in uphill process, it is closed all the time that the J of photoelectric switch 7 non-output signals, vertical relay 14 rises normally closed contact 15; When distance is A+100 mm between last end face that rises to hook 6 and electric block 1 shell lower edge, blocked by hook 6 fully between photoelectric switch 7 and the photoelectric switch reflecting plate 5, photoelectric switch 7 output signals, vertical relay 14 electric, its J rises normally closed contact 15 disconnected, cut off contactless switch C rises coil 16 power supply, make the C of contactless switch 10 rise open contact disconnection, motor M dead electricity, link up with 6 risings and stop, stop under the up end position, guarantee that electric block 1 is safe and reliable, eliminate safe hidden trouble.
The present invention is novel, structure is light and handy, making is simple, with low cost, easy to use, be active in one's movements, safe and reliable, eliminate safe hidden trouble, be to solve the anti-new breakthrough of rushing to summit of electric block with photoelectric technology.But wide popularization and application also can be applied to all electric block applying units in the new product of all electric block production units is made, electric block is undergone technological transformation, and increases safety control, eliminates safe hidden trouble.
Claims (1)
1. electric block prevents rushing to summit automatic control device, the anti-automatic control device of rushing to summit of this electric block comprises electric block (1), electric cabinet (2), button switch box (3), bolt of rear end plate (4), photoelectric switch reflecting plate (5), hook (6), photoelectric switch (7), stay bearing plate (8), it is characterized in that: described electric block (1), on the two ends housing of its shell, on the axis of winding drum position, respectively do the tapped bore of a bolt of rear end plate (4); Described stay bearing plate (8) is two rectangular slabs that are fixed on electric block (1) the two ends body skin, its upper end, the bolt hole of bolt (4) fixes on the line of centers of stay bearing plate (8), by bolt of rear end plate (4) stay bearing plate (8) is fixed on electric block (1) the two ends body skin, the length of this stay bearing plate (8) is that flat length is leaned in upper end and body skin lower edge, termination, add unsettled length L below body skin lower edge, termination, when the length of its L is in up end position for hook (6), between hook last end face of (6) and electric block (1) shell lower edge apart from A, add the length D of photoelectric switch (7), add 100mm, the width of this stay bearing plate (8) is consistent with the width of photoelectric switch reflecting plate (5), free end centerline at two stay bearing plates (8), make the photounit mounting center, one of them stay bearing plate (8) is installed photoelectric switch (7), another stay bearing plate (8) is installed photoelectric switch reflecting plate (5), and it is right to make photoelectric switch (7) and photoelectric switch reflecting plate (5) all be installed in the lower end and the forward surface of free end; Described electric cabinet is equipped with electrical controller in (2), comprises (9)---thermal relay FR, (10)---contactless switch C, (11)---battery isolator control QS1, (12)---fuse FU, (13)---24V Switching Power Supply, (14)---vertical relay J liter, (18)---switch QS2;---scram button switch, (3.2)---crawl rising button switch SB1, (3.3)---the crawl decline button switch SB2 that on the described button switch box (3) (3.1) is housed; Described photoelectric switch (7) is with after vertical relay (14), 24V Switching Power Supply (13) are connected, by switch QS2 (18), form photoelectric control circuit with photoelectric switch reflecting plate (5), with SB1---control circuit and SB2 of crawl rising button switch (3.2)---control circuit of crawl decline button switch (3.3) is in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110090109 CN102153028B (en) | 2011-04-11 | 2011-04-11 | Electric hoist anti-ejection automatic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110090109 CN102153028B (en) | 2011-04-11 | 2011-04-11 | Electric hoist anti-ejection automatic control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102153028A true CN102153028A (en) | 2011-08-17 |
| CN102153028B CN102153028B (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110090109 Expired - Fee Related CN102153028B (en) | 2011-04-11 | 2011-04-11 | Electric hoist anti-ejection automatic control device |
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| Country | Link |
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| CN (1) | CN102153028B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106379828A (en) * | 2016-11-15 | 2017-02-08 | 攀钢集团工程技术有限公司 | Oblique-pulling-prevented electric hoist |
| CN107298382A (en) * | 2016-04-15 | 2017-10-27 | 株式会社日立产机系统 | Operate input unit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1369147A (en) * | 1917-10-15 | 1921-02-22 | Champion Engineering Co | Limit-switch |
| DE10014913A1 (en) * | 2000-03-17 | 2001-10-04 | Mannesmann Ag | Limit switch for lifting device, operates stop brake for universal lifting motor with stator and rotor coils connected to power supply in series |
| CN201254442Y (en) * | 2008-06-13 | 2009-06-10 | 上海金发科技发展有限公司 | Electric gourd position limiter |
| CN101575074A (en) * | 2008-05-05 | 2009-11-11 | 郑忠明 | Method for controlling lifting height of hoist by photoelectricity |
| CN201647893U (en) * | 2010-02-25 | 2010-11-24 | 上海德益轻型起重机有限公司 | Electric and mechanical limiting structure of electric chain hoist |
| CN201990419U (en) * | 2011-04-11 | 2011-09-28 | 湖北帅力化工有限公司 | Automatic control device of breaking through prevention electric hoist |
-
2011
- 2011-04-11 CN CN 201110090109 patent/CN102153028B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1369147A (en) * | 1917-10-15 | 1921-02-22 | Champion Engineering Co | Limit-switch |
| DE10014913A1 (en) * | 2000-03-17 | 2001-10-04 | Mannesmann Ag | Limit switch for lifting device, operates stop brake for universal lifting motor with stator and rotor coils connected to power supply in series |
| CN101575074A (en) * | 2008-05-05 | 2009-11-11 | 郑忠明 | Method for controlling lifting height of hoist by photoelectricity |
| CN201254442Y (en) * | 2008-06-13 | 2009-06-10 | 上海金发科技发展有限公司 | Electric gourd position limiter |
| CN201647893U (en) * | 2010-02-25 | 2010-11-24 | 上海德益轻型起重机有限公司 | Electric and mechanical limiting structure of electric chain hoist |
| CN201990419U (en) * | 2011-04-11 | 2011-09-28 | 湖北帅力化工有限公司 | Automatic control device of breaking through prevention electric hoist |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107298382A (en) * | 2016-04-15 | 2017-10-27 | 株式会社日立产机系统 | Operate input unit |
| CN106379828A (en) * | 2016-11-15 | 2017-02-08 | 攀钢集团工程技术有限公司 | Oblique-pulling-prevented electric hoist |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102153028B (en) | 2012-12-12 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20121212 |