CN204607428U - Harbour electric hoisting machine supply cable self-locking anti-theft device - Google Patents
Harbour electric hoisting machine supply cable self-locking anti-theft device Download PDFInfo
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- CN204607428U CN204607428U CN201520291470.8U CN201520291470U CN204607428U CN 204607428 U CN204607428 U CN 204607428U CN 201520291470 U CN201520291470 U CN 201520291470U CN 204607428 U CN204607428 U CN 204607428U
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- fork
- locking bar
- delay
- support baseboard
- proximity switch
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Abstract
Harbour electric hoisting machine supply cable self-locking anti-theft device, comprise support baseboard, rotating disk, turntable base, initiatively fork, driven fork, locking bar, locations, electric hydaulic pusher and clump weight, described rotating disk is located at turntable base rotationally, this turntable base is located at support baseboard, described active fork and driven fork are arranged radially in rotating disk respectively, this is initiatively an angle between fork and driven fork, described electric hydaulic pusher and support baseboard are movably hinged, push rod and the active fork of this electric hydaulic device are movably hinged, described clump weight connects initiatively fork, support baseboard is located at by described locations, one end and the driven fork of described locking bar are movably hinged, the other end and locations coordinate.The utility model is automatic unlocking when harbour electric hoisting machine is started shooting, and automatically locks during shutdown, effectively prevents supply cable from being pulled out from cable drum by people and steals, and the utility model structure is simple, with low cost, reliable and practical.
Description
Technical field
The utility model relates to a kind of supply cable self-locking anti-theft device that the supply cable of harbour electric hoisting machine can be prevented stolen.
Background technology
At present, harbour electric hoisting machine does not all consider the antitheft problem of supply cable in design is produced, the form of basic employing cable drum winding carries out recovery release to supply cable, and this kind of cable winder manpower can rotate, make whole piece supply cable be easy to pull out from cable drum and be cut off steal, very large threat and impact are caused on the equipment at harbour and production safety.
Summary of the invention
Technical problem to be solved in the utility model, just be to provide a kind of harbour electric hoisting machine supply cable self-locking anti-theft device, the automatic unlocking when harbour electric hoisting machine walking states, supply cable freely reels and discharges in cable drum, automatically lock when the non-walking states of harbour electric hoisting machine, supply cable cannot pull out by manpower from cable drum, avoids cable stolen.
The utility model solves the technical scheme that its technical matters adopts:
Harbour electric hoisting machine supply cable self-locking anti-theft device, comprise support baseboard, rotating disk, turntable base, initiatively fork, driven fork, locking bar, locations, electric hydaulic pusher and clump weight, described rotating disk is located at turntable base rotationally, this turntable base is located at support baseboard, described active fork and driven fork are arranged radially in rotating disk respectively, this is initiatively an angle between fork and driven fork, described electric hydaulic pusher and support baseboard are movably hinged, push rod and the active fork of this electric hydaulic device are movably hinged, described clump weight connects initiatively fork, support baseboard is located at by described locations, one end and the driven fork of described locking bar are movably hinged, the other end and locations coordinate, when the energising of electric hydaulic pusher, the push rod of this electric hydaulic pusher stretches out, lift initiatively fork, make dial rotation, driven fork is with dial rotation, locking bar is driven to unlock along locations indentation, now, locking bar departs from cable drum, this cable drum can freely reel and discharge supply cable, when the power-off of electric hydaulic pusher, initiatively fork drops under the Action of Gravity Field of clump weight, rotating disk is reversed, driven fork reverses with rotating disk, locking bar is driven to stretch out along locations and lock, now, locking bar puts in cable drum, cable drum cannot be rotated, namely cable drum is lockable, thus, avoid the supply cable on cable drum stolen.
The best proximity switch also comprising the unblock of detection locking bar and lock-out state, the travelling control circuit connected in series of this proximity switch and harbour electric hoisting machine; When locking bar locks, proximity switch disconnects, and cut off travelling control circuit, when locking bar unlocks, proximity switch closes conducting, connects travelling control circuit.By arranging proximity switch, when effectively avoiding cable drum to pin, electric hoisting machine left lateral or right lateral walking, cause cable fault.In one embodiment, described proximity switch is located at the proximity switch bearing that support baseboard is arranged, and the reflecting plate that this proximity switch and locking bar are provided with coordinates; When locking bar stretches out locking, its reflecting plate blocks proximity switch, and this proximity switch disconnects, and when locking bar indentation unlocks, its reflecting plate departs from proximity switch, and this proximity switch closes conducting.
When the best also comprises for harbour electric hoisting machine shutdown power-off, electric hydaulic pusher delay cut-off, the power cut off delay cut-off switch that locking bar is delay locked.By arranging power cut off delay cut-off switch, effectively avoid electric hoisting machine power-off to shut down, but also when inertia walking, pin cable drum, cause cable fault.In one embodiment, described power cut off delay cut-off switch adopts power cut off delay intermediate relay, the open contact of described electric hydaulic pusher tandem drive contactless switch, the open contact of described power cut off delay intermediate relay and the coils connected in series of driving contactless switch; When electric hoisting machine shuts down power-off, the coil blackout of power cut off delay intermediate relay, the open contact time delay of this power cut off delay intermediate relay disconnects, then drive the coil delay cut-off of contactless switch, the open contact time delay of this driving contactless switch disconnects, make electric hydaulic pusher delay cut-off, locking bar is delay locked; And when electric hoisting machine walks machine energising, the coil electricity of power cut off delay intermediate relay, the open contact of this power cut off delay intermediate relay closes conducting, and drive the coil electricity of contactless switch, the open contact of this driving contactless switch closes conducting, electric hydaulic pusher is energized, the push rod of electric hydaulic pusher stretches out, and locking bar indentation unlocks, and proximity switch closes conducting, travelling control power on circuitry, electric hoisting machine left lateral or right lateral walking.
In one embodiment, described turntable base top is provided with bearing pin, and described rotating disk is sleeved on bearing pin rotationally, is provided with bearing between this rotating disk and bearing pin.Described locations is locating plate, and this locating plate is provided with the knock hole allowing locking bar run through.Described active fork is the short fork of active, driven fork is driven long fork, the short fork of described active is mutually vertical with driven long fork, and the push rod of described electric hydaulic pusher and the middle part of the short fork of active are movably hinged, and described clump weight connects the tail end of initiatively short fork through chain.Also be provided with the clump weight buffing pad being placed in support baseboard, described clump weight is located at clump weight buffing pad.
Described support baseboard the best arranges box stand, and described clump weight buffing pad is placed in the box stand on support baseboard, and the box stand on described electric hydaulic pusher and support baseboard is movably hinged.
The utility model utilizes throw of lever amplification principle, the actuating length of electric hydaulic pusher is undertaken amplifying by the stroke amplifying mechanism that initiatively short fork, cylinder rotating disk, driven long fork are formed and passes to the locking bar unblock of actuating unit, the locking being realized locking bar by the Action of Gravity Field of clump weight is resetted, locking bar is made to have enough actuating lengths, can effectively penetrate or exit cable drum, thus the locking realized cable and unblock.The utility model arranges proximity switch and arranges power cut off delay cut-off switch, effectively avoids cable lock timing lock cable and cause cable fault when walking machine and walk machine.
The utility model is automatic unlocking when harbour electric hoisting machine is started shooting, and automatically locks during shutdown, effectively prevents supply cable from being pulled out from cable drum by people and steals; avoid related economic loss and the adverse effect to production; the utility model structure is simple, with low cost, reliable and practical.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is Figure 1A-A cutaway view;
Fig. 3 is the electric driving force circuit theory figure of the utility model embodiment;
Fig. 4 is the control loop schematic diagram of the utility model embodiment;
In figure: 1. trapezoidal bi-lug plate bearing, 2. the trapezoidal pair of driven long fork of plate, 3. trapezoidal pair of plate initiatively short fork, 4. electric hydaulic pusher push rod bearing pin, 5. clump weight bearing pin, 6. cylinder rotating disk, 7. iron chains, 8. clump weight, 9. clump weight buffing pad, 10. electric hydaulic pusher, 11. box bearings, 12. round steel top bearing pins, 13. round steel, 14. locatings plate, 15. reflecting plates, 16. proximity switch bearings, 17. proximity switches, 17.1. proximity switch normally closed contact, 18. cable drums, 19. cylinder rotating disk bearing pins, 20. roller bearing end caps, 21. bearings, 22. support baseboards, 23.1. driving contacts of contactor, 23.2. driving contactless coil, 24.1. left lateral contacts of contactor, 24.2. left lateral contactless coil, 25.1. right lateral contacts of contactor, 25.2. right lateral contactless coil, 26.1. power cut off delay intermediate relay coil, 26.2. power cut off delay intermediate relay open contact, 27. movable motors, 28.1. left lateral intermediate relay first open contact, 28.2. left lateral intermediate relay normally closed contact, 28.3. left lateral intermediate relay second open contact, 29.1. right lateral intermediate relay first open contact, 29.2. right lateral intermediate relay normally closed contact, 29.3. right lateral intermediate relay second open contact, 30. alternating current 220V power supplys, 31. AC three-phase 380V power supplys.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model embodiment is described in detail.
As shown in Figure 1, 2, the utility model embodiment comprises support baseboard 22, cylinder rotating disk 6, bearing 21, trapezoidal bi-lug plate bearing 1, trapezoidal pair of plate initiatively short fork 3, trapezoidal pair of driven long fork 2 of plate, round steel 13, locating plate 14, electric hydaulic pusher 10, iron chains 7, clump weight 8, clump weight buffing pad 9, box stand 11, proximity switch 17, expelling plate 15 and proximity switch bearing 16, trapezoidal bi-lug plate bearing 1 is turntable base, round steel 13 is locking bar, and iron chains 7 is chain.Trapezoidal bi-lug plate bearing 1 in Fig. 1, in order to clear directly perceived, has only drawn the back side.
On support baseboard 22, level installs box bearing 11 and each one of trapezoidal bi-lug plate bearing 1.Clump weight buffing pad 9 is fixed on box bearing 11 by bolt and nut, electric hydaulic pusher 10 supports hinge and is movably hinged box bearing 11 by bearing pin, trapezoidal bi-lug plate bearing 1 top is provided with cylinder rotating disk bearing pin 19, cylinder rotating disk 6 is sleeved on cylinder rotating disk bearing pin 19 rotationally, be provided with bearing 21 between cylinder rotating disk 6 and bearing pin 19, this cylinder rotating disk 6 is assembled with bearing 21, roller bearing end cap 20 and is rotatably installed on trapezoidal bi-lug plate bearing 1 by cylinder rotating disk bearing pin 19; Cylinder rotating disk 6 radially installs the driven long fork 2 of orthogonal trapezoidal pair of plate and trapezoidal pair of plate initiatively short fork 3, forms stroke amplifying mechanism; Initiatively short fork 3 is rotationally connected by the push rod of middle part bearing pin 4 with electric hydaulic pusher 10, namely be movably hinged, the short fork 3 of this active is connected with clump weight 8 after being connected with iron chains 7 by tail end clump weight bearing pin 5 again, driven long fork 2 is rotationally connected with round steel 13 by round steel top bearing pin 12, is namely movably hinged; Locating plate 14 is located at support baseboard 22, and round steel 13 tail end, through the knock hole of locating plate 14, with the direction of action of fixing round steel 13, forms actuating unit; Support baseboard 22 arranges proximity switch bearing 16, be positioned at the stage casing of round steel 13, proximity switch 17 is loaded on proximity switch bearing 16, reflecting plate 15 is installed on round steel 13 according to the position adjustment of proximity switch 17, proximity switch 17 and reflecting plate 15 coordinate, by detecting the reflecting plate on round steel 13, judge the action situation of round steel 13, require that the energising of electric hydaulic pusher 10 is mentioned and round steel 13 is regained time, i.e. released state, proximity switch 17 can not detect reflecting plate signal, all reflecting plate signal can be detected under rest working conditions.
The electric driving force loop of the present embodiment is as shown in Fig. 3 dotted line frame.Drive contacts of contactor 23.1 end of incoming cables to be electrically connected with the 380V three-phase alternating-current powered power supply 31 of movable motor 27, leading-out terminal is electrically connected with electric hydaulic pusher 10.
As shown in Figure 4, the travelling control circuit of harbour electric hoisting machine comprises the left lateral control circuit and right lateral control circuit that are connected in parallel, left lateral control circuit comprises left lateral intermediate relay first open contact 28.1 and left lateral contactless coil 24.2 that are connected in series, right lateral control circuit comprises right lateral intermediate relay first open contact 29.1 and right lateral contactless coil 25.2 that are connected in series, in order to safe and reliable, left lateral control circuit has also been connected right lateral intermediate relay normally closed contact 29.2, and right lateral control circuit has also been connected left lateral intermediate relay normally closed contact 28.2.The control loop of the present embodiment is as shown in Fig. 4 dotted line frame, and proximity switch normally closed contact 17.1, with the series connection of walking control circuit, forms first control circuit; After left lateral intermediate relay second open contact 28.3 is electrically connected with the parallel connection of right lateral intermediate relay second open contact 29.3, then be electrically connected in series with power cut off delay intermediate relay coil 26.1, form second control circuit; Power cut off delay intermediate relay open contact 26.2 is electrically connected in series with driving contactless coil 23.2, forms the 3rd control circuit, finally by these three control circuit parallel connection access 220V source of ACs 30, and composition control loop.First control circuit, ensures that proximity switch forbids travelling control power on circuitry before unlocking signal not detected, thus when avoiding locking, electric hoisting machine is walked, and causes cable fault; Second control circuit and the 3rd control circuit, form power cut off delay cut-off switch, when ensureing that electric hoisting machine is shut down; electric hydaulic pusher delay cut-off, locking bar is delay locked, thus avoids electric hoisting machine to shut down; but also when inertia walking, pin cable drum, cause cable fault.
Details are as follows for the course of action of the present embodiment:
Electric hoisting machine sends travel commands, when namely starting shooting, the coil electricity of left lateral or right lateral intermediate relay, power cut off delay intermediate relay coil 26.1 is energized, the open contact 26.2 of this power cut off delay intermediate relay closes conducting, contactless coil 23.2 is driven to be energized in control housing, its open contact 23.1 adhesive, electric hydaulic pusher 10 is energized, the push rod of this electric hydaulic pusher 10 stretches out mentions, drive round steel 13 indentation from cable drum 18 to regain after driven long fork 2 clockwise oscillation, namely unlock, as shown in bold portion in Fig. 1.Now, reflecting plate 15 departs from proximity switch 17, and proximity switch 17 can't detect the reflected signal of reflecting plate 15, and proximity switch normally closed contact 17.1 closes, and travelling control circuit supply regular power, electric hoisting machine normally can carry out left lateral or right vehicle with walking machine by folding and unfolding cable.
Electric hoisting machine sends walking command for stopping, when namely shutting down, the equal power-off of coil of left lateral and right lateral intermediate relay, then the first open contact of left lateral intermediate relay and the first open contact of right lateral intermediate relay disconnect, travelling control circuit disconnects, simultaneously, second open contact of left lateral intermediate relay and the second open contact of right lateral intermediate relay disconnect, the power-off of power cut off delay intermediate relay coil 26.1, but open contact 26.2 time delay of power cut off delay intermediate relay disconnects, therefore drive contactless coil 23.2 still to keep "on" position under the effect of power cut off delay intermediate relay, the present embodiment is still in released state, treat that electric hoisting machine stops the capable machine of inertia completely, after power cut off delay intermediate relay reaches the time delay of design, drive contactless coil 23.2 power-off, then electric hydaulic pusher 10 power-off, driven long fork 2 counter-clockwise swing under the Action of Gravity Field of clump weight 8 resets, and drive round steel 13 to stretch out along locating plate 14, penetrate cable drum 18, namely lock, as shown in dotted portion in Fig. 1.Now, reflecting plate 15 blocks proximity switch 17, and proximity switch 17 detects the reflected signal of reflecting plate 15, and proximity switch normally closed contact 17.1 disconnects, and ensures travelling control down circuitry.
Claims (10)
1. harbour electric hoisting machine supply cable self-locking anti-theft device, it is characterized in that: comprise support baseboard, rotating disk, turntable base, initiatively fork, driven fork, locking bar, locations, electric hydaulic pusher and clump weight, described rotating disk is located at turntable base rotationally, this turntable base is located at support baseboard, described active fork and driven fork are arranged radially in rotating disk respectively, this is initiatively an angle between fork and driven fork, described electric hydaulic pusher and support baseboard are movably hinged, push rod and the active fork of this electric hydaulic device are movably hinged, described clump weight connects initiatively fork, support baseboard is located at by described locations, one end and the driven fork of described locking bar are movably hinged, the other end and locations coordinate,
When the energising of electric hydaulic pusher, the push rod of this electric hydaulic pusher stretches out, lift initiatively fork, make dial rotation, driven fork is with dial rotation, locking bar is driven to unlock along locations indentation, when the power-off of electric hydaulic pusher, initiatively fork drops under the Action of Gravity Field of clump weight, and rotating disk is reversed, driven fork reverses with rotating disk, drives locking bar stretch out along locations and lock.
2. Car Burglar Alarm according to claim 1, is characterized in that: also comprise the proximity switch detecting locking bar unblock and lock-out state, the travelling control circuit connected in series of this proximity switch and harbour electric hoisting machine; When locking bar locks, proximity switch disconnects, and cut off travelling control circuit, when locking bar unlocks, proximity switch closes conducting, connects travelling control circuit.
3. Car Burglar Alarm according to claim 2, is characterized in that: described proximity switch is located at the proximity switch bearing that support baseboard is arranged, and the reflecting plate that this proximity switch and locking bar are provided with coordinates; When locking bar stretches out locking, its reflecting plate blocks proximity switch, and this proximity switch disconnects, and when locking bar indentation unlocks, its reflecting plate departs from proximity switch, and this proximity switch closes conducting.
4. Car Burglar Alarm according to claim 1, is characterized in that: when also comprising for harbour electric hoisting machine shutdown power-off, electric hydaulic pusher delay cut-off, the power cut off delay cut-off switch that locking bar is delay locked.
5. Car Burglar Alarm according to claim 4, it is characterized in that: described power cut off delay cut-off switch adopts power cut off delay intermediate relay, the open contact of described electric hydaulic pusher tandem drive contactless switch, the open contact of described power cut off delay intermediate relay and the coils connected in series of driving contactless switch; When electric hoisting machine shuts down power-off; the coil blackout of power cut off delay intermediate relay; the open contact time delay of this power cut off delay intermediate relay disconnects; then drive the coil delay cut-off of contactless switch; the open contact time delay of this driving contactless switch disconnects; make electric hydaulic pusher delay cut-off, locking bar is delay locked.
6. Car Burglar Alarm according to claim 1, is characterized in that: described turntable base top is provided with bearing pin, and described rotating disk is sleeved on bearing pin rotationally, is provided with bearing between this rotating disk and bearing pin.
7. Car Burglar Alarm according to claim 1, is characterized in that: described locations is locating plate, and this locating plate is provided with the knock hole allowing locking bar run through.
8. Car Burglar Alarm according to claim 1, it is characterized in that: described active fork is the short fork of active, driven fork is driven long fork, the short fork of described active is mutually vertical with driven long fork, the push rod of described electric hydaulic pusher and the middle part of the short fork of active are movably hinged, and described clump weight connects the tail end of initiatively short fork through chain.
9. Car Burglar Alarm according to claim 8, is characterized in that: be also provided with the clump weight buffing pad being placed in support baseboard, described clump weight is located at clump weight buffing pad.
10. Car Burglar Alarm according to claim 9, is characterized in that: described support baseboard arranges box stand, and described clump weight buffing pad is placed in the box stand on support baseboard, and the box stand on described electric hydaulic pusher and support baseboard is movably hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520291470.8U CN204607428U (en) | 2015-05-07 | 2015-05-07 | Harbour electric hoisting machine supply cable self-locking anti-theft device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520291470.8U CN204607428U (en) | 2015-05-07 | 2015-05-07 | Harbour electric hoisting machine supply cable self-locking anti-theft device |
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|---|---|
| CN204607428U true CN204607428U (en) | 2015-09-02 |
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| CN201520291470.8U Active CN204607428U (en) | 2015-05-07 | 2015-05-07 | Harbour electric hoisting machine supply cable self-locking anti-theft device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106065705A (en) * | 2016-06-14 | 2016-11-02 | 广西大学 | A kind of anti-pollution hand-held wall plastering apparatus being automatically adjusted receiver position by gravity mechanism |
| CN108839755A (en) * | 2018-05-30 | 2018-11-20 | 中船黄埔文冲船舶有限公司 | A kind of sitting frame tooling of unveiling for delivery ceremony |
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2015
- 2015-05-07 CN CN201520291470.8U patent/CN204607428U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106065705A (en) * | 2016-06-14 | 2016-11-02 | 广西大学 | A kind of anti-pollution hand-held wall plastering apparatus being automatically adjusted receiver position by gravity mechanism |
| CN108839755A (en) * | 2018-05-30 | 2018-11-20 | 中船黄埔文冲船舶有限公司 | A kind of sitting frame tooling of unveiling for delivery ceremony |
| CN108839755B (en) * | 2018-05-30 | 2020-04-14 | 中船黄埔文冲船舶有限公司 | A take off curtain and sit frame frock for traffic boat ceremony formula |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20160328 Address after: 523417 Guangdong province Dongguan City Machong town Xinsha Patentee after: PORT OF GUANGZHOU Xin Sha harbour affairs company limited Address before: 510100, 11 floor, port 406, Yanjiang East Road, Yuexiu District, Guangzhou, Guangdong Patentee before: Guangzhou Port Group Co., Ltd. Patentee before: PORT OF GUANGZHOU Xin Sha harbour affairs company limited |