CN202755345U - Lifting turnover mechanism of garbage can of cleaning vehicle - Google Patents
Lifting turnover mechanism of garbage can of cleaning vehicle Download PDFInfo
- Publication number
- CN202755345U CN202755345U CN 201220359967 CN201220359967U CN202755345U CN 202755345 U CN202755345 U CN 202755345U CN 201220359967 CN201220359967 CN 201220359967 CN 201220359967 U CN201220359967 U CN 201220359967U CN 202755345 U CN202755345 U CN 202755345U
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- Prior art keywords
- lifting
- oil cylinder
- dustbin
- turnover
- valve
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Abstract
The utility model discloses a lifting turnover mechanism of a garbage can of a cleaning vehicle. The lifting turnover mechanism of the garbage can of the cleaning vehicle is fixed on a rack of the cleaning vehicle. The lifting turnover mechanism of the garbage can of the cleaning vehicle comprises a lifting arm, a turnover seat, a connecting rod, a lifting oil cylinder, the garbage can and a turnover oil cylinder. The lifting arm, the turnover seat, the connecting rod and the rack are hinged mutually to form a flat surface four connecting bar mechanism. One end of a cylinder drum of the lifting oil cylinder is hinged on the rack, and one end of a piston rod is hinged on the lifting arm and drives the flat surface four connecting bar mechanism to conduct a lifting motion or a reducing motion. The turnover seat, the garbage can and the turnover oil cylinder are mutually hinged to form a block shaking mechanism, the turnover oil cylinder drives the block shaking mechanism to conduct a turnover motion which is produced by the garbage box. Lifting and turnover are respectively achieved by two mechanisms, so the lifting and the turnover can be achieved by a control system. Not only be garbage leakage can avoided in the process of unloading, but also the turnover mechanism which is independently controlled enables a turnover angle to be large enough, and discharging is complete and clean.
Description
Technical field
The utility model relates to a kind of sanitation equipment, espespecially a kind of lifting switching mechanism of cleaning cart dustbin.
Background technology
Sandy beach cleaning cart or other refuse sweeping vehicle after dustbin is filled rubbish, need to be dumped in the railway carriage of transfer car(buggy), usually adopt artificial mode to dump for small-sized cleaning vehicle.But the manual type operating efficiency is too low, and the cleaning cart that therefore has is at present finished by the lifting switching mechanism.
In the prior art, the lifting switching mechanism of cleaning cart dustbin is by a hydraulic oil cylinder driving quadric chain, produces simultaneously lifting and rotary movement.The scarce limit of this technology is that the overturn of trash bin angle is little, and rubbish can not unload totally fully; And in lifting process, dustbin produces rotary movement simultaneously, rubbish occurs inevitably and spills.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of lifting switching mechanism of the cleaning cart dustbin that can first lifting overturns again, this mechanism's discharging thoroughly, clean, without spilling, and reliable in action.
For solving the problems of the technologies described above, technical solution of the present utility model is:
A kind of lifting switching mechanism of cleaning cart dustbin is fixed on the frame of cleaning cart, comprises lift arm, overturning seat, connecting rod, elevating ram, dustbin and overturning oil cylinder; Described lift arm, overturning seat, connecting rod and frame are hinged and form a lanar four rod mechanism; Cylinder barrel one end of described elevating ram is hinged on the frame, and piston rod one end is hinged on the described lift arm, drives this quadric chain and produces lifting or down maneuver; Described overturning seat, dustbin and overturning oil cylinder are hinged and form a cranking block mechanism, and this overturning oil cylinder drives this cranking block mechanism makes dustbin produce rotary movement.
Fix the travel switch that to control the action of described overturning oil cylinder on the described frame, fix a touching lever that can touch with the trip switch at described lift arm.
Further comprise hydraulic control system, this hydraulic control system comprises fuel tank, oil pump, reversal valve, stroke valve and the sequence valve that links to each other by pipeline; Described reversal valve is connected between oil pump and described elevating ram and the overturning oil cylinder; Described stroke valve is arranged between the large chamber and the pipeline between reversal valve and the elevating ram of described overturning oil cylinder, and described travel switch links to each other with the trip valve; Described sequence valve is arranged between the pipeline between the loculus of the loculus of described elevating ram and reversal valve and overturning oil cylinder.
Between the oil pump outlet line road of described hydraulic control system and the oil returning tube safety valve is set.
The end of the oil returning tube of described hydraulic control system arranges a hydraulic oil filter.
Described elevating ram is equipped with an equalizing valve.
After adopting such scheme, owing to the utility model realizes respectively by two mechanisms that to the lifting of dustbin and upset namely lanar four rod mechanism is realized lifting, and cranking block mechanism is realized overturning.When practical operation, can realize controlling first the elevating ram action by control system like this, dustbin is lifted first, after dustbin rises fully, control again the overturning oil cylinder action, make dustbin overturn to dump rubbish.This mode of controlling respectively lifting and upset can avoid not only that rubbish spills in dumping process, and the switching mechanism of independent control can make flip angle enough large, thereby makes discharging more thorough, clean.
In addition, the utility model can be realized by travel switch is set the continuous control of lifting and upset.Perhaps by the more complicated hydraulic control system of design, realize lifting and upset sequentially-operating in accordance with regulations, finally realize dustbin lifting-overturn of trash bin-with the tumble sequential loop work of discharging-dustbin withdrawal-dustbin decline of rubbish.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is hydraulic principle figure of the present utility model;
Fig. 3 is the partial enlarged drawing of Fig. 1.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
What the utility model disclosed is a kind of lifting switching mechanism of cleaning cart dustbin, as shown in Figure 1, is preferred embodiment of the present utility model.Described lifting switching mechanism is fixed on the frame 1 of cleaning cart, and it mainly comprises lift arm 51, overturning seat 52, connecting rod 53, elevating ram 54, dustbin 55 and overturning oil cylinder 56.Wherein:
One end of described lift arm 51 is hinged on the frame 1, and the other end and described overturning seat 52 are hinged.One end of described connecting rod 53 also is articulated on the frame 1, and the other end also is hinged with described overturning seat 52.Like this, this lift arm 51, overturning seat 52, connecting rod 53 and frame 1 have namely formed a lanar four rod mechanism.Cylinder barrel one end of described elevating ram 54 is hinged on the frame 1, and piston rod one end is hinged on the described lift arm 51, like this, can drive this quadric chain by elevating ram 54 and produce lifting or down maneuver.
Described overturning seat 52 is hinged on the dustbin 55, and described overturning oil cylinder 56 1 ends and this overturning seat 52 are hinged, and the other end and dustbin 55 are hinged.Like this, described overturning seat 52, dustbin 55 and overturning oil cylinder 56 have namely formed a cranking block mechanism, and this overturning oil cylinder 56 can drive this cranking block mechanism and makes dustbin 55 produce rotary movements.
Because the utility model realizes by two mechanisms that to lifting and the upset of dustbin namely lanar four rod mechanism is realized lifting, and cranking block mechanism is realized upset.When practical operation, just can control first elevating ram 54 actions like this, dustbin 55 is lifted first, after dustbin 55 rises fully, control again overturning oil cylinder 56 actions, make dustbin 55 overturn and dump rubbish.This mode of controlling respectively lifting and upset can avoid not only that rubbish spills in dumping process, and the switching mechanism of independent control can make flip angle enough large, thereby makes discharging more thorough, clean.
Further, can be at the fixing one stroke switch 57 of frame 1, fix a touching lever 58 that can touch with the trip switch 57 at described lift arm 51.When quadric chain is raised to extreme position, the touching lever 58 on the lift arm 51 will touch travel switch 57, and the action of travel switch 57 will be controlled overturning oil cylinder 56 actions, make dustbin 55 upsets thereby drive described cranking block mechanism.
Described elevating ram 54 can be installed an equalizing valve 59, can prevent because hydraulic oil pipeline elevating ram inner fluid when unexpected damaged leaks, thereby can prevent from causing thus dustbin 55 unexpected declines that security incidents occur.
The utility model also can hydraulic control system realizes lifting, in accordance with regulations sequentially-operating overturns by arranging.As shown in Figures 2 and 3, described hydraulic control system comprises fuel tank 510, oil pump 511, reversal valve 512, stroke valve 513 and the sequence valve 514 that links to each other by pipeline.Wherein:
Described reversal valve 512 is connected between oil pump 511 and described elevating ram 54 and the described overturning oil cylinder 56.
Described stroke valve 513 is arranged between the large chamber 56a and the pipeline between reversal valve 512 and the elevating ram 54 of described overturning oil cylinder 56.
Described sequence valve 514 is arranged between the pipeline between the loculus of the loculus 54b of described elevating ram 54 and reversal valve 512 and overturning oil cylinder 56.
Described travel switch 57 links to each other with described stroke valve 513.
The lifting switching mechanism produces pressure oil by hydraulic oil pump 511 power is provided.
Described elevating ram 54 is by described reversal valve 512 and sequence valve 514 its actions of control.When this reversal valve 512 is in the left position of reversal valve 512c, the 54a oil-feed of the large chamber of elevating ram, elevating ram piston rod 54c stretches out, and dustbin 55 produces the lifting action.When this reversal valve 512 is in the right position of reversal valve 512a, and described overturning oil cylinder piston rod 56c is when being in retracted state, and the logical sequence valve 514 of pressure oil enters into elevating ram loculus 54b, and elevating ram piston rod 54c regains, and dustbin 55 produces down maneuvers.
Described overturning oil cylinder 56 is by described reversal valve 512, stroke valve 513 and sequence valve 514 its actions of control.When reversal valve 512 is in the left position of reversal valve 512c and touching lever 58 and shifts the travel switch 57 of stroke valve 513 onto the right, the duplex channel 513b of stroke valve 513 and pipeline conducting, overturning oil cylinder piston rod 56c stretches out, dustbin 55 generation rotary movements.When reversal valve 512 is in the right position of reversal valve 512a and touching lever 58 travel switch 57 of stroke valve 513 is pressed onto the right, overturning oil cylinder loculus 56b oil-feed, overturning oil cylinder piston rod 56c regains, and dustbin 55 produces regains action.
By the control of above-mentioned hydraulic control system, the tumble complete working cycles of discharging of described dustbin lifting is: the dustbin lifting-overturn of trash bin-rubbish discharging-dustbin withdrawal-dustbin of tumbling is descended.Concrete control method is as follows:
1) when handling control lever 512d, when making reversal valve 512 be in reversal valve meta 512b, described elevating ram 54 and overturning oil cylinder 56 all do not produce action;
2) when handling control lever 512d, when making reversal valve 512 be in the left position of reversal valve 512c, enter the large chamber 54a of elevating ram from reversal valve left position 512c pressure oil out by pipeline, elevating ram piston rod 54c stretches out, and lift arm 51 produces the lifting action; At this moment, because the half-duplex channel 513a in the stroke valve 513 blocks fluid, so overturning oil cylinder 56 can not produce action;
3) when reversal valve 512 keeps the left position of reversal valve 512c, lift arm 51 continues to lift to be stretched, when the touching lever 58 on being fixed on lift arm 51 is shifted the travel switch 57 of stroke valve 513 onto the right, hydraulic oil enters into the large chamber 56a of overturning oil cylinder by the duplex channel 513b in the stroke valve 513, overturning oil cylinder piston rod 56c stretches out, dustbin 55 produces rotary movement, begins to dump rubbish;
4) dump completely when rubbish, control control lever 512d, make reversal valve 512 be in the right position of reversal valve 512a, hydraulic oil enters into overturning oil cylinder loculus 56b by pipeline, and overturning oil cylinder piston rod 56c regains, and dustbin produces regains action;
5) keep the right position of reversal valve 512a when reversal valve 512, and when dustbin 55 is recovered to extreme position, overturning oil cylinder 56 actions stop, at this moment, the pressure in the pipeline between overturning oil cylinder loculus 56b and the reversal valve 512 raises, when pressure is elevated to the setting value of sequence valve 514, the pressure valve 514b of pressure oil opening sequence valve 514, pressure oil enters into elevating ram loculus 54b by pipeline, and elevating ram piston rod 54c regains, and dustbin 55 descends and resets.
Further, can between the oil pump outlet line road of whole hydraulic control system and oil returning tube, a safety valve 515 be set, to play the effect of safeguard protection.Can also one hydraulic oil filter 516 be set at the end of the oil returning tube of whole system, in order to filter the hydraulic oil that refluxes, so that the fluid in the fuel tank 510 keep clean.
The above is preferred embodiment of the present utility model only, is not to limit the scope that the utility model is implemented.So variation or the modification in every case done according to claim of the present utility model and manual all should belong within the scope that the utility model patent contains.
Claims (6)
1. the lifting switching mechanism of a cleaning cart dustbin is fixed on the frame of cleaning cart, it is characterized in that: comprise lift arm, overturning seat, connecting rod, elevating ram, dustbin and overturning oil cylinder; Described lift arm, overturning seat, connecting rod and frame are hinged and form a lanar four rod mechanism; Cylinder barrel one end of described elevating ram is hinged on the frame, and piston rod one end is hinged on the described lift arm, drives this quadric chain and produces lifting or down maneuver; Described overturning seat, dustbin and overturning oil cylinder are hinged and form a cranking block mechanism, and this overturning oil cylinder drives this cranking block mechanism makes dustbin produce rotary movement.
2. the lifting switching mechanism of cleaning cart dustbin according to claim 1 is characterized in that: fix the travel switch that can control described overturning oil cylinder action on the described frame, fix a touching lever that can touch with the trip switch at described lift arm.
3. the lifting switching mechanism of cleaning cart dustbin according to claim 2 is characterized in that: further comprise hydraulic control system, this hydraulic control system comprises fuel tank, oil pump, reversal valve, stroke valve and the sequence valve that links to each other by pipeline; Described reversal valve is connected between oil pump and described elevating ram and the overturning oil cylinder; Described stroke valve is arranged between the large chamber and the pipeline between reversal valve and the elevating ram of described overturning oil cylinder, and described travel switch links to each other with the trip valve; Described sequence valve is arranged between the pipeline between the loculus of the loculus of described elevating ram and reversal valve and overturning oil cylinder.
4. the lifting switching mechanism of cleaning cart dustbin according to claim 3 is characterized in that: between the oil pump outlet line road of described hydraulic control system and the oil returning tube safety valve is set.
5. the lifting switching mechanism of cleaning cart dustbin according to claim 3, it is characterized in that: the oil returning tube end of described hydraulic control system arranges a hydraulic oil filter.
6. the lifting switching mechanism of described cleaning cart dustbin one of according to claim 1-5, it is characterized in that: described elevating ram is equipped with an equalizing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220359967 CN202755345U (en) | 2012-07-24 | 2012-07-24 | Lifting turnover mechanism of garbage can of cleaning vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220359967 CN202755345U (en) | 2012-07-24 | 2012-07-24 | Lifting turnover mechanism of garbage can of cleaning vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202755345U true CN202755345U (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220359967 Expired - Fee Related CN202755345U (en) | 2012-07-24 | 2012-07-24 | Lifting turnover mechanism of garbage can of cleaning vehicle |
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| CN (1) | CN202755345U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758414A (en) * | 2012-07-24 | 2012-10-31 | 厦门理工学院 | Lifting and turning-over mechanism of cleaning vehicle garbage bin and control method thereof |
-
2012
- 2012-07-24 CN CN 201220359967 patent/CN202755345U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758414A (en) * | 2012-07-24 | 2012-10-31 | 厦门理工学院 | Lifting and turning-over mechanism of cleaning vehicle garbage bin and control method thereof |
| CN102758414B (en) * | 2012-07-24 | 2014-12-03 | 厦门理工学院 | Lifting and turning-over mechanism of cleaning vehicle garbage bin and control method thereof |
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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: 20130227 Termination date: 20150724 |
|
| EXPY | Termination of patent right or utility model |