CN211663978U - Self-unloading angle-adjustable hydraulic system of self-loading and unloading type garbage truck - Google Patents
Self-unloading angle-adjustable hydraulic system of self-loading and unloading type garbage truck Download PDFInfo
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- CN211663978U CN211663978U CN201922387510.XU CN201922387510U CN211663978U CN 211663978 U CN211663978 U CN 211663978U CN 201922387510 U CN201922387510 U CN 201922387510U CN 211663978 U CN211663978 U CN 211663978U
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Abstract
The utility model discloses a hydraulic system of adjustable self-discharging angle of self-loading garbage truck, hydraulic system contains oil tank, hydraulic pump, power supply, main oil inlet way, main oil return way, self-discharging hydro-cylinder passes through tribit four-way reversing valve to be connected between main oil inlet way and main oil return way, be connected with the overflow valve that is used for protection system between main oil inlet way and the oil tank, the A mouth of tribit four-way reversing valve passes through pipeline C to be connected with the oil tank, two-position two-way manual reversing valve has concatenated on the pipeline C, be equipped with wire rope between carriage and the handle of two-position two-way manual reversing; the two-position two-way manual reversing valve is arranged between the port A of the three-position four-way reversing valve and the oil tank, and the steel wire rope is arranged between the carriage and the handle of the two-position two-way manual reversing valve, so that when the carriage is lifted to the maximum angle, the two-position two-way manual reversing valve is triggered to be switched to be conducted, the self-discharging oil cylinder stops lifting the carriage, and when the carriage reaches the maximum lifting angle, the carriage can be rapidly stopped.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a from loading and unloading formula garbage truck field specifically is a hydraulic system from adjustable self-discharging angle of loading and unloading formula garbage truck.
[ background of the invention ]
When the self-unloading garbage truck lifts the carriage for self-unloading, the maximum lifting angle of the carriage is determined by the structure movement track, once the structural member fulcrum and the size stroke of the oil cylinder are shaped and determined, the maximum self-unloading angle is determined, the self-unloading angle cannot be adjusted and controlled, and the self-unloading garbage truck cannot be well adapted to the working conditions of different users; and the self-discharging oil cylinders of different tonnage grades of vehicle types have inconsistent strokes, the oil cylinders have uniqueness and can not be used universally, and the general performance is deviated.
For the garbage truck, different working conditions are mainly embodied in that the garbage has different components: if dry rubbish is more, the dump angle is bigger than a little and the dump can be clean, wet rubbish and fluid rubbish are more, and the dump angle is smaller and the dump can be clean, therefore to different work condition, the user requires that the best dump angle is different.
The utility model discloses it is not enough to solve prior art and research and propose promptly.
[ Utility model ] content
In order to solve the technical problem, the utility model discloses a hydraulic system of adjustable self-discharging angle of self-loading and unloading formula garbage truck, hydraulic system contain the oil tank, the hydraulic pump that is connected with the oil tank, the power supply that drives the action of hydraulic pump, the main oil inlet way that is connected with the hydraulic pump, the main oil return way that is connected with the oil tank, the self-discharging hydro-cylinder set up on the chassis of garbage truck, the self-discharging hydro-cylinder be used for lifting the carriage in order to carry out the self-discharging operation; the self-discharging oil cylinder is connected between a main oil inlet path and a main oil return path through a three-position four-way reversing valve, an A port of the three-position four-way reversing valve is connected with an A oil port of the self-discharging oil cylinder through a pipeline A, a B port of the three-position four-way reversing valve is connected with a B oil port of the self-discharging oil cylinder through a pipeline B, a P port of the three-position four-way reversing valve is connected with the main oil inlet path, a T port of the three-position four-way reversing valve is connected with the main oil return path, an overflow valve used for protecting a system is connected between the main oil inlet path and an oil tank, a two-way balance valve is connected on the pipeline A and the pipeline B, the A port of the three-position four-way reversing valve is connected with the oil tank through a pipeline C, a two-position two-way manual reversing valve is connected on the pipeline C in series, the tail end, when the carriage is lifted to the maximum angle, the two-position two-way manual reversing valve is triggered to be switched to be conducted, and then the self-discharging oil cylinder stops lifting the carriage.
According to the hydraulic system with the adjustable self-unloading angle for the self-loading and unloading type garbage truck, the length of the steel wire rope is adjustable.
The utility model provides a from hydraulic system of loading and unloading formula garbage truck adjustable self-discharging angle, the carriage on be equipped with the locking piece that is used for locking wire rope, the locking piece on be equipped with the through-hole A that is used for supplying wire rope to pass, the locking piece on threaded connection have and be used for locking the locking bolt A on the locking piece with wire rope, be equipped with the through-hole B that is used for supplying wire rope to pass on the handle of two-position two-way manual reversing valve, threaded connection has the locking bolt B who is used for locking wire rope in through-hole B on the handle of two-position two-way manual reversing valve.
According to the hydraulic system with the adjustable self-unloading angle for the self-loading and unloading type garbage truck, the oil absorption filter is connected between the oil tank and the hydraulic pump in series.
According to the hydraulic system with the adjustable self-unloading angle for the self-loading and unloading type garbage truck, the oil return filter is connected between the oil tank and the main oil return path in series.
In the hydraulic system with the adjustable self-unloading angle for the self-loading and unloading garbage truck, the three-position four-way reversing valve is an H-shaped three-position four-way manual reversing valve.
According to the hydraulic system for adjusting the self-unloading angle of the self-loading and unloading type garbage truck, the power source is an electric motor or an internal combustion engine on the garbage truck.
Compared with the prior art, the utility model has the advantages of as follows:
1. the utility model discloses a be provided with two-position two-way manual reversing valve between the A mouth and the oil tank of tribit four-way reversing valve to be equipped with wire rope between the handle of carriage and two-position two-way manual reversing valve, make when the carriage is lifted to the maximum angle, trigger two-position two-way manual reversing valve and switch over to switching on, and then make the self-discharging hydro-cylinder stop lifting the carriage, adopt this kind of mode, can rapid when the carriage reachs the maximum angle of lifting stop.
2. The length of the steel wire rope is adjustable, effective combined control of a main loop of the hydraulic system, an oil return loop of the hydraulic oil cylinder, lifting action and linkage of the control reversing valve can be realized, the soft adjusting function of the hydraulic system on the self-discharging angle is achieved, namely the self-discharging angle can be adjusted according to the length of the steel wire rope, and the steel wire rope self-discharging device has the following advantages: (a) under the condition that the vehicle type is shaped (the stroke sizes of the structural part and the oil cylinder are determined), soft adjustment of the self-unloading angle is carried out in an adjusting range through a hydraulic system, so that the vehicle type adjusting device is more convenient and flexible, and can be more suitable for working conditions of different users; (b) the self-discharging oil cylinder with one stroke can be commonly used for vehicle types with different tonnage levels, the application range of the self-discharging oil cylinder is improved, the variety of the oil cylinder is reduced, and the universal performance of the hydraulic oil cylinder is good.
[ description of the drawings ]
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of a self-loading and unloading garbage truck of the present invention;
FIG. 2 is a schematic diagram of the hydraulic system of the present invention;
fig. 3 is the installation schematic diagram of the steel wire rope in the utility model.
[ detailed description ] embodiments
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 3, the hydraulic system with an adjustable dumping angle for a dump truck according to the present embodiment includes an oil tank 1, a hydraulic pump 2 connected to the oil tank 1, a power source 3 driving the hydraulic pump 2 to operate, a main oil inlet 101 connected to the hydraulic pump 2, a main oil return 102 connected to the oil tank 1, and a dump cylinder 4, wherein the dump cylinder 4 is disposed on a chassis 1002 of the dump truck, and the dump cylinder 4 is used for lifting a carriage 10001 to perform a dumping operation; the automatic unloading device is characterized in that the dump cylinder 4 is connected between a main oil inlet passage 101 and a main oil return passage 102 through a three-position four-way reversing valve 5, an A port of the three-position four-way reversing valve 5 is connected with an A oil port of the dump cylinder 4 through a pipeline A103, a B port of the three-position four-way reversing valve 5 is connected with a B oil port of the dump cylinder 4 through a pipeline B104, a P port of the three-position four-way reversing valve 5 is connected with the main oil inlet passage 101, a T port of the three-position four-way reversing valve 5 is connected with the main oil return passage 102, an overflow valve 6 for protecting a system is connected between the main oil inlet passage 101 and the oil tank 1, a two-way balance valve 7 is connected on the pipeline A103 and the pipeline B104, the A port of the three-position four-way reversing valve 5 is connected with the oil tank 1 through a pipeline C105, a two-position two-way manual reversing valve 8 is connected, a steel wire rope 9 is arranged between the carriage 10001 and the handle 81 of the two-position two-way manual reversing valve 8, so that when the carriage 10001 is lifted to the maximum angle, the two-position two-way manual reversing valve 8 is triggered to be switched to be conducted, and the dump cylinder 4 stops lifting the carriage 10001. The utility model discloses a be provided with two-position two-way manual reversing valve between the A mouth and the oil tank of tribit four-way reversing valve to be equipped with wire rope between the handle of carriage and two-position two-way manual reversing valve, make when the carriage is lifted to the maximum angle, trigger two-position two-way manual reversing valve and switch over to switching on, and then make the self-discharging hydro-cylinder stop lifting the carriage, adopt this kind of mode, can rapid when the carriage reachs the maximum angle of lifting stop.
In this embodiment, the length of wire rope 9 is adjustable, that is, the maximum position of the fixed points at both ends of wire rope is adjustable, and the length of wire rope is adjustable, so that the effective combined control of the main loop of the hydraulic system, the oil return loop of the hydraulic cylinder, the lifting action and the linkage of the control reversing valve can be realized, the soft adjusting function of the hydraulic system on the self-discharging angle is achieved, that is, the self-discharging angle can be adjusted according to the length of wire rope, and the following advantages are achieved: (a) under the condition that the vehicle type is shaped (the stroke sizes of the structural part and the oil cylinder are determined), soft adjustment of the self-unloading angle is carried out in an adjusting range through a hydraulic system, so that the vehicle type adjusting device is more convenient and flexible, and can be more suitable for working conditions of different users; (b) the self-discharging oil cylinder with one stroke can be commonly used for vehicle types with different tonnage levels, the application range of the self-discharging oil cylinder is improved, the variety of the oil cylinder is reduced, and the universal performance of the hydraulic oil cylinder is good.
In this embodiment, a locking block 10 for locking the steel wire rope 9 is arranged on the carriage 10001, a through hole a through which the steel wire rope 9 passes is formed in the locking block 10, a locking bolt a11 for locking the steel wire rope 9 on the locking block 10 is connected to the locking block 10 through a thread, a through hole B through which the steel wire rope 9 passes is formed in a handle 81 of the two-position two-way manual directional valve 8, and a locking bolt B12 for locking the steel wire rope 9 in the through hole B is connected to the handle 81 of the two-position two-way manual directional valve 8 through a thread.
For the sake of convenience of cleaning, an oil suction filter 13 is connected in series between the oil tank 1 and the hydraulic pump 2, and an oil return filter 14 is connected in series between the oil tank 1 and the main oil return path 102.
In order to facilitate the operation, in this embodiment, the three-position four-way reversing valve 5 is an H-shaped three-position four-way manual reversing valve.
The power source 3 may be an electric motor or an internal combustion engine on a garbage truck.
It is right now that the utility model discloses well from each action of loading and unloading formula garbage truck describes:
(1) lifting the carriage:
the handle S1 of the three-position four-way manual reversing valve is pulled out, the valve is switched to the left position to work, high-pressure oil enters a rodless cavity of the self-discharging oil cylinder after passing through the left working position of the three-position four-way manual reversing valve and passing through the two-way balance valve, a piston rod of the self-discharging oil cylinder extends out, and a carriage lifts to work.
(2) The maximum self-discharging angle state of the carriage is as follows:
in the lifting process of the carriage, the steel wire rope with the adjustable length is pulled simultaneously, the steel wire rope continuously extends along with the increase of the self-discharging angle of the carriage, when the steel wire rope extends to the maximum length, the steel wire rope pulls the handle S2 of the two-position two-way manual reversing valve, the two-position two-way manual reversing valve reverses to work, high-pressure oil directly returns to the oil tank from the two-position two-way manual reversing valve, the system unloads, the carriage is lifted to stop, and the carriage is in the state of the maximum self-.
(3) The method for adjusting the maximum self-discharging angle of the carriage comprises the following steps:
the maximum self-discharging angle of the carriage is determined by the state of the two-position two-way manual reversing valve, and the reversing operation of the two-position two-way manual reversing valve depends on the length of the steel wire rope with adjustable length, namely the maximum self-discharging angle of the carriage can be adjusted by scheduling the length of the steel wire rope.
(4) The carriage descends:
the handle S1 of the three-position four-way manual reversing valve is pushed, the valve is switched to the right position to work, high-pressure oil enters a rod cavity of the self-discharging oil cylinder after passing through the right working position of the three-position four-way manual reversing valve and passing through the two-way balance valve, a piston rod of the self-discharging oil cylinder retracts, and a carriage descends to work.
(5) Stopping at the intermediate position of the carriage:
when the carriage is at any position in the lifting self-discharging or descending working process, the valve returns to the middle position and the hydraulic system unloads as long as the three-position four-way manual reversing valve handle S1 is loosened; the carriage stops acting under the action of the bidirectional balance valve.
The utility model discloses in the design, hydraulic cylinder stroke leaves out the excess amount, through adjusting wire rope length, makes hydraulic system adapt to self-discharging lifting angle's control, guarantees that self-discharging angle adjusts as required in great within range.
The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.
Claims (7)
1. The hydraulic system with the adjustable self-unloading angle of the self-loading and unloading type garbage truck is characterized by comprising an oil tank (1), a hydraulic pump (2) connected with the oil tank (1), a power source (3) for driving the hydraulic pump (2) to act, a main oil inlet path (101) connected with the hydraulic pump (2), a main oil return path (102) connected with the oil tank (1) and a self-unloading oil cylinder (4), wherein the self-unloading oil cylinder (4) is arranged on a chassis (1002) of the garbage truck, and the self-unloading oil cylinder (4) is used for lifting a carriage (10001) to execute self-unloading operation; the dump truck is characterized in that the dump truck cylinder (4) is connected between a main oil inlet path (101) and a main oil return path (102) through a three-position four-way reversing valve (5), an A port of the three-position four-way reversing valve (5) is connected with an A oil port of the dump truck cylinder (4) through a pipeline A (103), a B port of the three-position four-way reversing valve (5) is connected with a B oil port of the dump truck cylinder (4) through a pipeline B (104), a P port of the three-position four-way reversing valve (5) is connected with the main oil inlet path (101), a T port of the three-position four-way reversing valve (5) is connected with the main oil return path (102), an overflow valve (6) used for protecting a system is connected between the main oil inlet path (101) and the oil tank (1), a bidirectional balance valve (7) is connected onto the pipeline A (103) and the pipeline B (104), and the A port of the three-position four-way reversing valve (5) is connected with the oil, the automatic lifting device is characterized in that a two-position two-way manual reversing valve (8) is connected to the pipeline C (105) in series, the tail end of the pipeline C (105) is connected with the oil tank (1), and a steel wire rope (9) is arranged between the carriage (10001) and a handle (81) of the two-position two-way manual reversing valve (8), so that when the carriage (10001) is lifted to the maximum angle, the two-position two-way manual reversing valve (8) is triggered to be switched to be conducted, and the self-discharging oil cylinder (4) stops lifting the carriage (10001).
2. The adjustable self-dumping angle hydraulic system of a self-loading and unloading garbage truck as claimed in claim 1, wherein: the length of the steel wire rope (9) is adjustable.
3. The adjustable self-dumping angle hydraulic system of a self-loading and unloading garbage truck as claimed in claim 2, wherein: carriage (10001) on be equipped with locking block (10) that is used for locking wire rope (9), locking block (10) on be equipped with the through-hole A that is used for supplying wire rope (9) to pass, locking block (10) on threaded connection have and be used for locking bolt A (11) on locking block (10) with wire rope (9), be equipped with the through-hole B that is used for supplying wire rope (9) to pass on handle (81) of two-position two-way manual reversing valve (8), threaded connection has locking bolt B (12) that are used for locking wire rope (9) in through-hole B on handle (81) of two-position two-way manual reversing valve (8).
4. The adjustable self-dumping angle hydraulic system of a self-loading and unloading garbage truck as claimed in claim 1, wherein: an oil absorption filter (13) is connected in series between the oil tank (1) and the hydraulic pump (2).
5. The adjustable self-dumping angle hydraulic system of a self-loading and unloading garbage truck as claimed in claim 1, wherein: an oil return filter (14) is connected in series between the oil tank (1) and the main oil return path (102).
6. The adjustable self-dumping angle hydraulic system of a self-loading and unloading garbage truck as claimed in claim 1, wherein: the three-position four-way reversing valve (5) is an H-shaped three-position four-way manual reversing valve.
7. The adjustable self-dumping angle hydraulic system of a self-loading and unloading garbage truck as claimed in claim 1, wherein: the power source (3) is an electric motor or an internal combustion engine on a garbage truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922387510.XU CN211663978U (en) | 2019-12-26 | 2019-12-26 | Self-unloading angle-adjustable hydraulic system of self-loading and unloading type garbage truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922387510.XU CN211663978U (en) | 2019-12-26 | 2019-12-26 | Self-unloading angle-adjustable hydraulic system of self-loading and unloading type garbage truck |
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| Publication Number | Publication Date |
|---|---|
| CN211663978U true CN211663978U (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922387510.XU Active CN211663978U (en) | 2019-12-26 | 2019-12-26 | Self-unloading angle-adjustable hydraulic system of self-loading and unloading type garbage truck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873111A (en) * | 2022-02-18 | 2022-08-09 | 徐州徐工环境技术有限公司 | Valve control two-stage slow descending system and method for garbage truck with detachable carriage |
-
2019
- 2019-12-26 CN CN201922387510.XU patent/CN211663978U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873111A (en) * | 2022-02-18 | 2022-08-09 | 徐州徐工环境技术有限公司 | Valve control two-stage slow descending system and method for garbage truck with detachable carriage |
| CN114873111B (en) * | 2022-02-18 | 2024-04-09 | 徐州徐工环境技术有限公司 | Valve control two-stage slow descent system and method for carriage-detachable garbage truck |
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