CN204508604U - A kind of compensation mechanism of trolley automatic electricity taking device - Google Patents
A kind of compensation mechanism of trolley automatic electricity taking device Download PDFInfo
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- CN204508604U CN204508604U CN201520132771.6U CN201520132771U CN204508604U CN 204508604 U CN204508604 U CN 204508604U CN 201520132771 U CN201520132771 U CN 201520132771U CN 204508604 U CN204508604 U CN 204508604U
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- connecting rod
- bearing
- dolly
- electric pushrod
- pull bar
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Abstract
The utility model relates to a kind of compensation mechanism of trolley automatic electricity taking device, it comprises: comprise auxiliary (1), first connecting rod (2), principal arm (3), second connecting rod (4), bearing (5) in long-armed shape, electric pushrod (6) and pull bar (7), wherein the first end of auxiliary (1) is rotatably connected on current colector dolly, the first end of the second end and second connecting rod (4) is rotationally connected, being rotationally connected with the upside of bearing (5) of second connecting rod (4), the fixed end of electric pushrod (6) is fixed on bearing (5), the end that stretches is connected with the first end of pull bar (7), second end of pull bar (7) and the first end of swing arm (31) are rotationally connected, second end of swing arm (31) and the second end of principal arm (3) are rotationally connected, second end of principal arm (3) is also rotatably connected on the downside of bearing (5), second end of first end and first connecting rod (2) is rotationally connected, the first end of first connecting rod (2) is rotatably connected on current colector dolly, in addition, first connecting rod (2) is fixedly connected with auxiliary (1).This mechanism ensure that the reliability service of slide wire electricity-getting device.
Description
Technical field
The utility model relates to a kind of compensation mechanism of trolley automatic electricity taking device.
Background technology
Day by day close along with economic trade communication, port traffic industry is also flourish, and general lifting machine is loaded and unloaded in existing port container terminal stockyard, mainly contains two kinds, one is rail-mounted gantry crane, and another kind is tire hanging gauntry crane.
The goods yard operation power of rail-mounted gantry crane on harbour is the electricity with electrical network, the connection of its electric system is that the current colector be directly fixed on crane body support contacts with trolley, current colector is connected with the electric system of hoisting crane, because big current slide wire power supply mode requires higher to the contact between current colector with trolley, current colector is when sliding, transverse shifting distance between the fixed support of current colector and trolley can not exceed ± 15mm, and beating of vertical direction can not exceed ± 20mm; To be its rigid wheel walk locomotive crane on fixing track, is fixed on the contact between current colector on crane support and trolley, can reaches above-mentioned requirements completely.Use with the electricity supply rail-mounted gantry crane of electrical network, have that energy consumption is low, noise is little, zero-emission, pollution-free, service expenditure and the lower advantage of operating cost, but because complete machine is walked along trapped orbit, and limit by supply cable length and track, especially can not do longitudinal transition operation.This power supply mode can only be applied at present have fixing orbit in workshop automatic production lines and fractional orbital formula mechanical equipment on.
The complete machine walking of tire type gantry crane adopts the air-inflation tyre that can turn to, and therefore transition can arrive any position operation of whole goods yard, be freely can carry out transition.In the automatic transition device that existing Full-automatic tire hangs, some is by pneumatic or hydrostatic drive, power taking dolly on tyre crane is installed on tyre crane, power taking is carried out by trolley by this type of drive, although these class methods can realize full automaticity transition, but because pneumatic or hydraulic driving mode need source of the gas or Hydraulic Station, and pipeline is complicated, have leakage hidden danger, later maintenance amount is large; Also have power taking dolly to adopt extension spring as propulsive effort, due to the fatigue of spring, elastic force can cause power taking dolly to stretch out problem not in place after declining, and adds fault rate.
Utility model content
Technical problem to be solved in the utility model is the compensation mechanism providing a kind of trolley automatic electricity taking device for above-mentioned prior art, and this compensation mechanism can ensure that current colector dolly can stretch out and put in place, reduces fault rate.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of compensation mechanism of trolley automatic electricity taking device, be connected with the current colector dolly in trolley automatic electricity taking device, it is characterized in that: comprise auxiliary, first connecting rod, principal arm, second connecting rod, in the bearing of long-armed shape, electric pushrod and pull bar, wherein the first end of auxiliary is rotatably connected on current colector dolly, second end of auxiliary and the first end of second connecting rod are rotationally connected, being rotationally connected with the upside of bearing of second connecting rod, the fixed end of electric pushrod is fixed on bearing, the stretching end of electric pushrod is connected with the first end of pull bar, second end of pull bar and the first end of swing arm are rotationally connected, second end of swing arm and the second end of principal arm are rotationally connected, second end of principal arm is also rotatably connected on the downside of bearing, the first end of principal arm and the second end of first connecting rod are rotationally connected, the first end of first connecting rod is rotatably connected on current colector dolly, in addition, first connecting rod is fixedly connected with auxiliary, thus make auxiliary, first connecting rod, principal arm, second connecting rod and bow arm bearing form four-bar linkage.
Drive pull bar to drive stretching out or retracting of four-bar linkage by electric pushrod, when electric pushrod is retracted, double leval jib stretches out; Otherwise when electric pushrod stretches out, double leval jib is regained, the flexible drive current colector dolly of double leval jib stretches.
As improvement, described bearing has been installed the limit switch for controlling electric pushrod stroke, the installation site of limit switch meets: under the promotion of electric pushrod, and the sensing chip that pull bar second end is arranged can be touched with limit switch.When the arrival of current colector dolly needs position, electric pushrod stops regaining, when current colector dolly enter to need freely movable after slip frame time, electric pushrod stretches out, until the sensing chip of rod head triggers limit switch, current colector dolly just can be freely movable with double leval jib.
Four-bar linkage has instantaneous impact when flexible, in order to ensure the easy motion of double leval jib, adds a damper or spring bumper between principal arm and bearing.Wherein damper can be a closed oil cylinder, and be made up of piston rod and cylinder body, there is fuel return hole piston rod end, once after external force passes to piston rod, hydraulic oil hinders piston rod freely movable, can arrange damping moment according to fuel return hole size.
After current colector dolly is slipped into slip frame by four-bar linkage release, require that four-bar linkage can be freely movable, unfettered, so electric pushrod is after pull bar retraction drives double leval jib to stretch out by contraction, and a segment distance of must back retracting, makes there are enough gaps between pull bar and swing arm, guarantee four-bar linkage is freely movable, therefore, be provided with strip shape axial trough in described pull bar, the first end of swing arm is movably arranged in this strip shape axial trough by a turning cylinder.
In described first connecting rod and second connecting rod, one of them is compensation link, and its structure is: one end is fixed link, and the other end is portable bar, is connected between fixed link with portable bar by a spring.Like this, when compensation link tension, the portable bar that the spring force that pulling force overcomes inside is is drawn out, once external tensile force disappears, contained spring can recover initial length, and equally, compensation link can shorten when pressurized.
Compared with prior art, the utility model has the advantage of: the double leval jib compensation mechanism in the utility model solves gas leakage, the leakage of oil hidden danger of original pneumatic or hydraulic way existence, also simplify mechanism, conveniently safeguard in the future, also solve the problem that extension spring lost efficacy simultaneously, ensure that current colector dolly can stretch out to put in place, reduce fault rate.In addition, in further technical scheme, the design of compensation link decreases the damage of external carbuncle to double leval jib, improves reliability and the safety of equipment.
Accompanying drawing explanation
Fig. 1 is the compensation mechanism schematic diagram of trolley automatic electricity taking device in the utility model embodiment;
Fig. 2 is that in the utility model embodiment, compensation mechanism shrinks the view that puts in place;
Fig. 3 is I portion enlarged drawing in Fig. 2;
Fig. 4 be in the utility model embodiment compensation mechanism stretch out put in place, limit switch view when not triggering;
Fig. 5 is I portion enlarged drawing in Fig. 4;
Fig. 6 is that in the utility model embodiment, the constitution diagram and limit switch is triggered that puts in place stretches out in compensation link mechanism;
Fig. 7 is I portion enlarged drawing in Fig. 6;
Fig. 8 is compensation link structural representation in the utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
As shown in Figure 1, the compensation mechanism of trolley automatic electricity taking device comprises auxiliary 1, stationary links 2, principal arm 3, compensation link 4, bearing 5 in long-armed shape, electric pushrod 6, pull bar 7, damper 8 and limit switch 9, wherein the first end of auxiliary 1 is rotatably connected on current colector dolly, second end of auxiliary 1 and the first end of compensation link 4 are rotationally connected, being rotationally connected with the upside of bearing 5 of compensation link 4, the fixed end of electric pushrod 6 is fixed on bearing 5, the stretching end of electric pushrod 6 is connected with the first end of pull bar 7, second end of pull bar 7 and the first end of swing arm 31 are rotationally connected, second end of swing arm 31 and the second end of principal arm 3 are rotationally connected, second end of principal arm 3 is also rotatably connected on the downside of bearing 5, the first end of principal arm 3 and the second end of stationary links 2 are rotationally connected, the first end of stationary links 2 is rotatably connected on current colector dolly, in addition, stationary links 2 is fixedly connected with auxiliary 1, thus make auxiliary 1, stationary links 2, principal arm 3, compensation link 4 and bow arm bearing 5 form four-bar linkage.Bearing 5 has been installed the limit switch 9 for controlling electric pushrod 6 stroke, the installation site of limit switch 9 meets: under the promotion of electric pushrod 6, and the sensing chip 71 that pull bar 7 second end is arranged can be touched with limit switch 9.Be provided with strip shape axial trough in described pull bar 7, the first end of swing arm 31 is movably arranged in this strip shape axial trough by a turning cylinder.
As shown in Figure 1, current colector dolly 10 is with in double leval jib telescopic process, due to gravity, current colector dolly 10 level has impulsive force when stretching out, for ensureing that current colector dolly 10 can move reposefully, between principal arm 3 and bow arm bearing 5, installed damper 8, the impulsive force produced when current colector dolly 10 stretches out can give elimination by damped device 8 effectively, prevents current colector dolly 10 pairs of slip framves 11 from causing strong shock.
As shown in Figure 8, described compensation link 4 is made up of fixed link 41, portable bar 42, spring 43, piston block 44.When compensation link 4 lengthens by pulling force, portable bar 42 drives piston block 44 Compress Spring 43, once after external force disappearance, spring 43 resets, and compensation link 4 recovers initial length; Equally, during compensation link 4 pressurized, portable bar 42 drives other end piston block 44 Compress Spring 43, and external force is recovered again as before after disappearing.The existence of compensation link 4 can ensure current colector dolly 10 safety walking in slip frame 11 complicated and changeable, and changing original four-bar linkage rigidity is present flexible structure, and mechanics mechanism is more reasonable, more adapts to environment complicated and changeable.
As shown in Figure 2, trolley automatic electricity taking device is not when using, and compensation mechanism is in contraction and puts in place state, and shown in Fig. 2 and Fig. 3, namely current colector dolly 10 is in retracted state, and electric pushrod 6 is also in release state, withstands swing arm 31.When push rod is regained, due to the existence of strip shape axial trough in pull bar 7, the first end of swing arm 31 is movably arranged in this strip shape axial trough by a turning cylinder, therefore temporarily application force can not be produced to swing arm 31, once slide under turning cylinder below strip shape axial trough, swing arm 31 starts anticlockwise direction and rotates, and drives principal arm 3 to rotate; Meanwhile, act on while adding auxiliary 1, stationary links 2 and compensation link 3, current colector dolly 10 is released by level, until current colector dolly 10 touches on slip frame 11, now state is see shown in Fig. 4, Fig. 5.When current colector dolly 10 slips into after in slip frame 11, current colector dolly is needed to discharge, control electric pushrod 6 to stretch out, until the sensing chip 71 of pull bar 7 lower end triggers limit switch 9, now pull bar 7 and swing arm 31 forms space, swing arm 31 can the free bottom, and double leval jib can free-extension, and now state is see shown in Fig. 6, Fig. 7.
In said structure, compensation link can change to stationary links position, and damper can be substituted by spring bumper form.
In this utility model, power taking dolly four-bar linkage solves gas leakage, the leakage of oil hidden danger of original pneumatic or hydraulic way existence, also simplify mechanism, conveniently safeguards in the future.Also solve the problem that extension spring lost efficacy simultaneously, ensure that current colector dolly can stretch out and put in place, reduce fault rate.The design of compensation link decreases the damage of external carbuncle to double leval jib, improves reliability and the safety of equipment.The installation of damper, make current colector dolly telescopic process more steadily, safety.Electric pushrod is connected with the ingenious of four-bar linkage, solves the constraint of electric pushrod self-locking to double leval jib degree of freedom, ensure that the free floating of current colector dolly after slipping into slip frame.
Claims (5)
1. the compensation mechanism of a trolley automatic electricity taking device, be connected with the current colector dolly in trolley automatic electricity taking device, it is characterized in that: comprise auxiliary (1), first connecting rod (2), principal arm (3), second connecting rod (4), bearing (5) in long-armed shape, electric pushrod (6) and pull bar (7), wherein the first end of auxiliary (1) is rotatably connected on current colector dolly, second end of auxiliary (1) and the first end of second connecting rod (4) are rotationally connected, being rotationally connected with the upside of bearing (5) of second connecting rod (4), the fixed end of electric pushrod (6) is fixed on bearing (5), the stretching end of electric pushrod (6) is connected with the first end of pull bar (7), second end of pull bar (7) and the first end of swing arm (31) are rotationally connected, second end of swing arm (31) and the second end of principal arm (3) are rotationally connected, second end of principal arm (3) is also rotatably connected on the downside of bearing (5), the first end of principal arm (3) and the second end of first connecting rod (2) are rotationally connected, the first end of first connecting rod (2) is rotatably connected on current colector dolly, in addition, first connecting rod (2) is fixedly connected with auxiliary (1), thus make auxiliary (1), first connecting rod (2), principal arm (3), second connecting rod (4) and bow arm bearing (5) form four-bar linkage.
2. compensation mechanism according to claim 1, it is characterized in that: described bearing (5) has been installed the limit switch (9) for controlling electric pushrod (6) stroke, the installation site of limit switch (9) meets: under the promotion of electric pushrod (6), and the sensing chip (71) that pull bar (7) second end is arranged can be touched with limit switch (9).
3. compensation mechanism according to claim 1, is characterized in that: be provided with damper (8) or spring bumper between described principal arm (3) and bearing (5).
4. compensation mechanism according to claim 1, is characterized in that: described pull bar is provided with strip shape axial trough in (7), and the first end of swing arm (31) is movably arranged in this strip shape axial trough by a turning cylinder.
5. compensation mechanism according to claim 1, it is characterized in that: in described first connecting rod (2) and second connecting rod (4), one of them is compensation link, its structure is: one end is fixed link, the other end is portable bar, is connected between fixed link with portable bar by a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520132771.6U CN204508604U (en) | 2015-03-09 | 2015-03-09 | A kind of compensation mechanism of trolley automatic electricity taking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520132771.6U CN204508604U (en) | 2015-03-09 | 2015-03-09 | A kind of compensation mechanism of trolley automatic electricity taking device |
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| CN204508604U true CN204508604U (en) | 2015-07-29 |
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| CN201520132771.6U Active CN204508604U (en) | 2015-03-09 | 2015-03-09 | A kind of compensation mechanism of trolley automatic electricity taking device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448398A (en) * | 2018-01-25 | 2018-08-24 | 武汉科技大学 | A kind of automatic power supply device by hot-metal ladle and carriage |
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2015
- 2015-03-09 CN CN201520132771.6U patent/CN204508604U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448398A (en) * | 2018-01-25 | 2018-08-24 | 武汉科技大学 | A kind of automatic power supply device by hot-metal ladle and carriage |
| CN108448398B (en) * | 2018-01-25 | 2019-10-01 | 武汉科技大学 | A kind of automatic power supply device being mounted on by hot-metal ladle and carriage |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220531 Address after: 315121 Dongqian Lake Tourism Resort Industrial Zone, Zhejiang, Ningbo Patentee after: Ningbo Weilong Port Machinery Co.,Ltd. Address before: 315121 Dongqian Lake Tourism Resort Industrial Zone, Zhejiang, Ningbo Patentee before: NINGBO TRANSMISSION MACHINERY CO.,LTD. SHANGHAI ZHENHUA PORT MACHINERY (GROUP) |