CN206636850U - Compression type garbage truck back door opens and closes hydraulic system - Google Patents
Compression type garbage truck back door opens and closes hydraulic system Download PDFInfo
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- CN206636850U CN206636850U CN201720312262.0U CN201720312262U CN206636850U CN 206636850 U CN206636850 U CN 206636850U CN 201720312262 U CN201720312262 U CN 201720312262U CN 206636850 U CN206636850 U CN 206636850U
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Abstract
The utility model discloses compression type garbage truck back door to open and close hydraulic system, the keying at back door is controlled by back door control cylinder, and it is fuel-displaced using the solenoid valve block being connected with back door control cylinder to adjust entering for back door control cylinder, carry out sensing whether back door opens and closes in place using proximity switch simultaneously, make HYDRAULIC CONTROL SYSTEM relatively reliable, back door hook lock is controlled folding using latch hook oil cylinder, and it is provided with bidirectional hydraulic lock and comes locking loop, prevent latch hook and released because of the reason such as hydraulic oil leakage, simultaneously, one-way throttle valve is provided with the oil-out B of banked direction control valves to adjust oil return speed to control the speed of back door closing and locking loop, further improve security when back door opens and closes.
Description
Technical field
It the utility model is related to hydraulic system field, especially compression type garbage truck back door and open and close hydraulic system.
Background technology
At present, domestic back door of garbage truck is opened mainly has manual control, the time relay to control this with locking hydraulic system
Two kinds of main ways, wherein manual control operation is time-consuming, trouble and automaticity are relatively low, make its operating efficiency low, and the time
Control locking the stand-by period fix, in case of opened the throttle, flow increase make back door earlier closing, then locking cylinder still needs to
Just locked after waiting certain time, reaction is slow, and both the above control system all has that operation is unreliable, sometimes
Due to operational error, fail to open in time or locking back door, can cause rubbish can not unload or leakage problem, may be used also when serious
It can cause to overturn, the accident such as cause casualties.
The content of the invention
In order to solve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of easy to operate, safe to use
Reliable compression type garbage truck back door opens and closes hydraulic system.
In order to realize above-mentioned technical purpose, the technical solution of the utility model is：
Compression type garbage truck back door opens and closes hydraulic system, and it includes back door control cylinder, latch hook oil cylinder, solenoid valve block, list
To choke valve, banked direction control valves, hydraulic oil pump and hydraulic oil container, described hydraulic oil pump arrival end is connected with hydraulic oil container pipeline, liquid
The port of export of pressure oil pump and the oil inlet P of banked direction control valves connect, and described banked direction control valves oil-out A and latch hook oil cylinder rod chamber connect
Connect, the oil-out B of banked direction control valves is connected with one-way throttle valve, and is connected by the rodless cavity pipeline of one-way throttle valve and latch hook oil cylinder
Connect, the latch hook connection of described latch hook oil cylinder and back door of garbage truck, and drive the folding of latch hook, the one-way throttle valve and latch hook
The pipeline branch road being connected with back door control cylinder, described back door control cylinder and magnetic valve are offered on the pipeline of oil cylinder connection
Group connection, and be connected by solenoid valve block with pipeline branch road, control entering for back door control cylinder fuel-displaced by solenoid valve block, it is described
Back door control cylinder is fixedly connected with back door of garbage truck, and drives back door of garbage truck to open and close, and described banked direction control valves, which is additionally provided with, to be used for
The oil-out T of hydraulic oil backflow, and be connected by oil-out T with hydraulic oil container pipeline.
Further, two-way liquid is additionally provided with the pipeline that the oil-out A and oil-out B of the banked direction control valves are connected with latch hook oil cylinder
Pressure lock, the oil-out A and bidirectional hydraulic lock of the banked direction control valves import P1 connections, and the outlet A1 and lock for passing through bidirectional hydraulic lock
The rod chamber connection of hook oil cylinder, the oil-out B and bidirectional hydraulic lock of the banked direction control valves import P2 connections, and pass through bidirectional hydraulic
The outlet A2 of lock is connected with the rodless cavity of latch hook oil cylinder.
Further, the pipeline that the oil-out T of the banked direction control valves is connected with hydraulic oil container is provided with first filter.
Further, the pipeline that described hydraulic oil pump arrival end is connected with hydraulic oil container is provided with the second filter.
Further, the pipeline that described hydraulic oil pump arrival end is connected with hydraulic oil container is provided with copper ball valve.
Further, described hydraulic system is also opened including being arranged on back door of garbage truck for sensing the close of back door keying
Close, described proximity switch electrically connects with banked direction control valves.
Using above-mentioned technical scheme, the beneficial effects of the utility model are：Back door is controlled by back door control cylinder
Keying, and it is fuel-displaced using the solenoid valve block being connected with back door control cylinder to adjust entering for back door control cylinder, utilizes simultaneously
Proximity switch come carry out sense back door whether open and close in place, make HYDRAULIC CONTROL SYSTEM relatively reliable, back door hook lock using latch hook oil
Cylinder is controlled folding, and is provided with bidirectional hydraulic lock and comes locking loop, and it is loose because of the reason such as hydraulic oil leakage to prevent latch hook
It is de-, meanwhile, one-way throttle valve is provided with the oil-out B of banked direction control valves to adjust oil return speed to control the speed that back door is closed
And locking loop, further improve security when back door opens and closes.
Brief description of the drawings
The utility model is further elaborated with reference to the accompanying drawings and detailed description：
Fig. 1 is the schematic diagram of the utility model hydraulic system.
Embodiment
As shown in figure 1, the utility model includes back door control cylinder 1, latch hook oil cylinder 2, solenoid valve block 3, one-way throttle valve
4th, banked direction control valves 6, hydraulic oil pump 7 and hydraulic oil container 10, the described arrival end of hydraulic oil pump 7 are connected with the pipeline of hydraulic oil container 10, liquid
The port of export of pressure oil pump 7 is connected with the oil inlet P of banked direction control valves 6, the oil-out A of the banked direction control valves 6 and the rod chamber of latch hook oil cylinder 2
Connection, the oil-out B of banked direction control valves 6 is connected with one-way throttle valve 4, and passes through one-way throttle valve 4 and the rodless cavity pipe of latch hook oil cylinder 2
Road is connected, and described latch hook oil cylinder 2 is connected with the latch hook of back door of garbage truck, and drives the folding of latch hook, the one-way throttle valve 4
The pipeline branch road being connected with back door control cylinder 1, described back door control cylinder are offered on the pipeline being connected with latch hook oil cylinder 2
1 is connected with solenoid valve block 3, and is connected by solenoid valve block 3 with pipeline branch road, and back door control cylinder 1 is controlled by solenoid valve block 3
Enter fuel-displaced, described back door control cylinder 1 to be fixedly connected with back door of garbage truck, and drive back door of garbage truck to open and close, described is more
Road valve 6 is additionally provided with the oil-out T for hydraulic oil backflow, and is connected by oil-out T with the pipeline of hydraulic oil container 10.
In order to prevent the latch hook of back door of garbage truck because the reason such as hydraulic oil leakage is got loose, further, the multichannel
Bidirectional hydraulic lock 5 is additionally provided with the pipeline that the oil-out A and oil-out B of valve 6 are connected with latch hook oil cylinder 2, the banked direction control valves 6 goes out
Hydraulic fluid port A is connected with the import P1 of bidirectional hydraulic lock 5, and is connected by the outlet A1 of bidirectional hydraulic lock 5 and the rod chamber of latch hook oil cylinder 2
Connect, the oil-out B of the banked direction control valves 6 is connected with the import P2 of bidirectional hydraulic lock 5, and by the outlet A2 of bidirectional hydraulic lock 5 with
The rodless cavity connection of latch hook oil cylinder 2.
In order that the hydraulic oil of system flowback when being back to hydraulic oil container 10, can avoid impurity from flowing into hydraulic oil container
10, and prevent that hydraulic oil pump 7 from avoiding the occurrence of impurity feed line when hydraulic oil is aspirated, further, the multichannel
The pipeline that the oil-out T of valve 6 is connected with hydraulic oil container 10 is provided with first filter 11, the described arrival end of hydraulic oil pump 7 with
The pipeline that hydraulic oil container 10 connects is provided with the second filter 9, at the same time it can also in the described arrival end of hydraulic oil pump 7 and liquid
Copper ball valve 8 is set to control the aspiration of hydraulic oil pump on the pipeline that force feed case 10 connects.
Further, it can also be provided for sensing the proximity switch of back door keying in back door of garbage truck, and will approach and open
Pass electrically connects with banked direction control valves 6 so that back door can control multichannel by the feedback of proximity switch when opening and closing in the very first time
Hydraulic oil flow direction in valve 6.
During the utility model hydraulic work system, hydraulic oil pump 7 starts, and is made by adjusting copper ball valve 8 in hydraulic oil container 10
Hydraulic oil be sucked into by filter 9 in pipeline, and be delivered to banked direction control valves 6 from the port of export of hydraulic oil pump 7, and from multichannel
The oil inlet P of valve 6 is entered in banked direction control valves 6, and when activating to open the operation of back door of garbage truck, pipe is drawn into by hydraulic oil pump 7
Hydraulic oil in road flows out from the oil-out B of banked direction control valves 6, and by one-way throttle valve 4 and bidirectional hydraulic lock 5, enters finally into
In the rodless cavity of latch hook oil cylinder 2 so that the supporting leg of latch hook oil cylinder 2 stretches out, and makes the latch hook on back door of garbage truck by latch hook oil cylinder 2
Draw and break off relations, because the pressure that the pressure needed for latch hook unhook action is opened relative to back door is smaller, therefore latch hook can be first
Break off relations, when latch hook oil cylinder 2 is run in place, loine pressure rises, until the supporting leg of back door control cylinder 1 is released, and then by after
Door is opened；When starting the operation for closing back door of garbage truck, the solenoid valve block 3 that back door control cylinder 1 connects is powered, and is gated after making
The hydraulic oil backflow of liquefaction cylinder 1, the supporting leg of back door control cylinder 1 withdraws under the Action of Gravity Field of back door of garbage truck, when after gate
When the supporting leg of liquefaction cylinder 1 is withdrawn in place, the proximity switch for being arranged on back door of garbage truck senses signal and fed back, now more
Road valve 6 carries out oil circuit commutation, is flowed out, passed through by the oil-out A of the hydraulic oil that hydraulic oil pump 7 is drawn into pipeline from banked direction control valves 6
Bidirectional hydraulic lock 5 enters the rod chamber of latch hook oil cylinder 2 so that the supporting leg of latch hook oil cylinder 2 is withdrawn, and latch hook is risen to the bait back door lock
Tightly, the hydraulic oil that partial reflux returns is flow back into hydraulic oil container via the oil-out T of banked direction control valves 6.
Specific embodiment of the present utility model is the foregoing described, it will be appreciated by those of skill in the art that this is only
Be for example, those skilled in the art is on the premise of without departing substantially from principle of the present utility model and essence, can be to this reality
The mode of applying makes various changes or modifications, but these changes and modification each fall within the scope of protection of the utility model.
Claims (6)
1. compression type garbage truck back door opens and closes hydraulic system, it is characterised in that：It includes back door control cylinder, latch hook oil cylinder, electricity
Magnet valve group, one-way throttle valve, banked direction control valves, hydraulic oil pump and hydraulic oil container, described hydraulic oil pump arrival end and hydraulic oil container pipe
Road connects, and the port of export of hydraulic oil pump and the oil inlet P of banked direction control valves connect, oil-out A and the latch hook oil cylinder of the banked direction control valves
Rod chamber connects, and the oil-out B of banked direction control valves is connected with one-way throttle valve, and passes through one-way throttle valve and the rodless cavity of latch hook oil cylinder
Pipeline connects, and the latch hook of described latch hook oil cylinder and back door of garbage truck connects, and drives the folding of latch hook, the one-way throttle valve
Offer the pipeline branch road being connected with back door control cylinder on the pipeline being connected with latch hook oil cylinder, described back door control cylinder with
Solenoid valve block connects, and is connected by solenoid valve block with pipeline branch road, controls entering for back door control cylinder fuel-displaced by solenoid valve block,
Described back door control cylinder is fixedly connected with back door of garbage truck, and drives back door of garbage truck to open and close, and described banked direction control valves is also set
There is the oil-out T for hydraulic oil backflow, and be connected by oil-out T with hydraulic oil container pipeline.
2. compression type garbage truck back door according to claim 1 opens and closes hydraulic system, it is characterised in that：The banked direction control valves
Be additionally provided with bidirectional hydraulic lock on the pipeline that oil-out A and oil-out B are connected with latch hook oil cylinder, the oil-out A of the banked direction control valves with
The import P1 connections of bidirectional hydraulic lock, and be connected by the outlet A1 of bidirectional hydraulic lock with the rod chamber of latch hook oil cylinder, it is described more
The oil-out B and bidirectional hydraulic lock of road valve import P2 connections, and the nothing for the outlet A2 and latch hook oil cylinder for passing through bidirectional hydraulic lock
Rod cavity connects.
3. compression type garbage truck back door according to claim 1 opens and closes hydraulic system, it is characterised in that：The banked direction control valves
The pipeline that oil-out T is connected with hydraulic oil container is provided with first filter.
4. compression type garbage truck back door according to claim 1 opens and closes hydraulic system, it is characterised in that：Described hydraulic oil
The pipeline that pump intake end is connected with hydraulic oil container is provided with the second filter.
5. compression type garbage truck back door according to claim 1 opens and closes hydraulic system, it is characterised in that：Described hydraulic oil
The pipeline that pump intake end is connected with hydraulic oil container is provided with copper ball valve.
6. compression type garbage truck back door according to claim 1 opens and closes hydraulic system, it is characterised in that：Described hydraulic pressure system
System also includes being arranged on the proximity switch that back door of garbage truck is used to sense back door keying, and described proximity switch is electrically connected with banked direction control valves
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720312262.0U CN206636850U (en) | 2017-03-28 | 2017-03-28 | Compression type garbage truck back door opens and closes hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720312262.0U CN206636850U (en) | 2017-03-28 | 2017-03-28 | Compression type garbage truck back door opens and closes hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206636850U true CN206636850U (en) | 2017-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720312262.0U Active CN206636850U (en) | 2017-03-28 | 2017-03-28 | Compression type garbage truck back door opens and closes hydraulic system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110758951A (en) * | 2018-07-27 | 2020-02-07 | 比亚迪股份有限公司 | Hydraulic control system and garbage truck with same |
| CN110843653A (en) * | 2019-11-27 | 2020-02-28 | 徐工集团工程机械有限公司 | Charging bucket control system, engineering machinery and charging bucket control valve |
| CN110884807A (en) * | 2019-12-25 | 2020-03-17 | 福建龙马环卫装备股份有限公司 | Mechanical-hydraulic coupling rear door locking device of leakage-free compression type garbage truck |
| CN112855636A (en) * | 2021-03-17 | 2021-05-28 | 福建龙马环卫装备股份有限公司 | Hydraulic system for opening and closing rear door of tank type garbage collection box |
| CN115626400A (en) * | 2022-09-13 | 2023-01-20 | 福龙马集团股份有限公司 | Buffer system of compression garbage truck loader and compression garbage truck |
-
2017
- 2017-03-28 CN CN201720312262.0U patent/CN206636850U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110758951A (en) * | 2018-07-27 | 2020-02-07 | 比亚迪股份有限公司 | Hydraulic control system and garbage truck with same |
| CN110758951B (en) * | 2018-07-27 | 2022-04-15 | 比亚迪股份有限公司 | Hydraulic control system and garbage truck with same |
| CN110843653A (en) * | 2019-11-27 | 2020-02-28 | 徐工集团工程机械有限公司 | Charging bucket control system, engineering machinery and charging bucket control valve |
| CN110843653B (en) * | 2019-11-27 | 2021-02-05 | 徐工集团工程机械有限公司 | Charging bucket control system, engineering machinery and charging bucket control valve |
| CN110884807A (en) * | 2019-12-25 | 2020-03-17 | 福建龙马环卫装备股份有限公司 | Mechanical-hydraulic coupling rear door locking device of leakage-free compression type garbage truck |
| CN112855636A (en) * | 2021-03-17 | 2021-05-28 | 福建龙马环卫装备股份有限公司 | Hydraulic system for opening and closing rear door of tank type garbage collection box |
| CN115626400A (en) * | 2022-09-13 | 2023-01-20 | 福龙马集团股份有限公司 | Buffer system of compression garbage truck loader and compression garbage truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 364000 No. 42, Longteng South Road, Donghua community, Dongxiao Town, Xinluo District, Longyan City, Fujian Province Patentee after: Fulongma Group Co.,Ltd. Address before: 364000 Longyan Economic Development Zone, Longyan City, Fujian Province Patentee before: FUJIAN LONGMA ENVIRONMENTAL SANITATION EQUIPMENT Co.,Ltd. |
|
| CP03 | Change of name, title or address |