CN202935352U - Pneumatic control hydraulic device for railway dump trucks - Google Patents
Pneumatic control hydraulic device for railway dump trucks Download PDFInfo
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- CN202935352U CN202935352U CN 201220631432 CN201220631432U CN202935352U CN 202935352 U CN202935352 U CN 202935352U CN 201220631432 CN201220631432 CN 201220631432 CN 201220631432 U CN201220631432 U CN 201220631432U CN 202935352 U CN202935352 U CN 202935352U
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Abstract
The utility model discloses a pneumatic control hydraulic device for railway dump trucks. The pneumatic control hydraulic device comprises a power section, a control section and a connecting pipeline thereof. The pneumatic control hydraulic device is characterized in that the power section adopts a pneumatic hydraulic pump to convert kinetic energy of compressed air to pressure energy of hydraulic oil, and provides the kinetic energy to a hydrocylinder. The pneumatic control hydraulic device aims at a discharge system of the railway dump trucks, successfully converts pneumatic energy to hydraulic energy, enables the hydrocylinder to be applied, achieves stepless adjustment of railway carriage tipping discharge speed, reduces self-weight of the dump trucks, and is favorable for stability of discharge. The pneumatic control hydraulic device solves the problems that an adopted air cylinder is big in weight, big in size, big in snap actions, and poor in stability, and improves safe reliability of discharge of the railway dump trucks through application of interlocking pneumatic control technology.
Description
Technical field
The utility model relates to gas control, hydraulic technique field, refers more particularly to a kind of railway discharging vehicle Pneumatic and hydraulic device.
Background technology
The railway discharging vehicle adopts cylinder or hydraulic ram usually with tipping device, according to working condition requirement, is tumbled in the compartment to certain side, reaches the unloading purpose.
The railway discharging vehicle mainly realizes controlling the compartment of overhanging drive dumping car of hydraulic actuating cylinder of vehicle self-carrying to the either side unloading of tumbling gradually by the course of action of air-control device with tipping device, then control the hydraulic actuating cylinder retraction, drive the compartment and fall after rise gradually, return back to the state of not tumbling.
Cylinder and hydraulic ram compare, and unfavorable factor has 2 points, one; In the situation that equal thrust, what the cylinder volume will be large is many, is subjected to the restriction of railway vehicle finite space, has limited being equipped with, and has increased the car body deadweight, and they are two years old; Working process, cylinder can not be regulated running velocity, and prominent moving property is large, poor stability, the harmony of unfavorable vehicle unloading does not have interlock function, and safe reliability is poor.At present, the railway discharging vehicle mainly adopts the expanding-contracting action process of cylinder realize tumbling of compartment and fall after rise with tipping device, along with the increase of compartment load carrying ability, requires the corresponding increase of cylinder diameter, volume and weight of tilting gas cylinder.Due to the restriction of vehicle space and weight, be difficult to satisfy application requirements at large-tonnage railway discharging vehicle.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of railway discharging vehicle Pneumatic and hydraulic device, satisfies the compartment load-carrying and increases demand, and does not increase the car body deadweight, improves the stationarity of the unloading operation of tumbling.
For solving the problems of the technologies described above, technical conceive of the present utility model is that power pack section employing air-driven hydraulic pump is the pressure energy of hydraulic oil with compressed-air actuated kinetic transformation, provides kinetic energy to hydraulic ram.As technical scheme, the utility model provides a kind of railway dumping car Pneumatic hydraulic tipping device, it is characterized in that, comprise air-driven hydraulic pump, the left side of car hydraulic actuating cylinder of tumbling, the left side of car three-position four-way valve, the manual bivalve group of left side of car, left side of car 3 position-5 way Pneumatic valve, left side of car unlock cylinder, left side of car machine control valve, two-position and left side of car side door opening and closing device locking bar;
The oil inlet of described air-driven hydraulic pump is connected with return opening with the control mouth of described left side of car three-position four-way valve and is connected with return opening, and the tumble oil inlet of hydraulic actuating cylinder of described left side of car is connected with return opening with the control mouth of described left side of car three-position four-way valve and is connected with return opening;
The manual bivalve group of described left side of car is communicated with described left side of car 3 position-5 way Pneumatic valve successively, described left side of car three-position four-way valve, described left side of car unlock cylinder, described left side of car machine control valve and described two-position, the main air pipeline connects described air-driven hydraulic pump by described two-position, and described left side of car machine control valve connects described left side of car side door opening and closing device locking bar;
During described Pneumatic hydraulic pump work, promote the described left side of car hydraulic actuating cylinder lifting action of tumbling, complete rollover and the falling in compartment.
For the alerting ability of self-unloading is provided, increase by two side position unloading functions, the utility model railway dumping car Pneumatic hydraulic tipping device also comprises the manual bivalve group of right side of car, right side of car 3 position-5 way Pneumatic valve, the right side of car three-position four-way valve, right side of car unlock cylinder, right side of car machine control valve, the shuttle valve group, right side of car side door opening and closing device locking bar;
The oil inlet of described air-driven hydraulic pump and return opening also are connected with return opening with the control mouth of described right side of car three-position four-way valve respectively, and the tumble oil inlet of hydraulic actuating cylinder of described right side of car is connected with return opening with the control mouth of described right side of car three-position four-way valve and is connected with return opening;
Described one, the manual bivalve group of right side of car, be communicated with successively described one, right side of car 3 position-5 way Pneumatic valve, described one, right side of car three-position four-way valve, described one, right side of car unlock cylinder, described one, right side of car machine control valve, described shuttle valve group and described two-position; Described right side of car unlock cylinder connects described right side of car side door opening and closing device locking bar.
Further improved, the utility model railway dumping car Pneumatic hydraulic tipping device also comprises the interlock valve group, that described interlock valve group is arranged on is described one, between the manual bivalve group of right side of car and described one, right side of car 3 position-5 way Pneumatic valve, prevent that one, two side positions from rollover occurring simultaneously or falling after rise.
Advantage of the present utility model: the utility model is for railway dumper unloading system, successful changes into hydraulic energy with pneumatic energy, and hydraulic ram is used, and has realized the step-less adjustment of carriage from overturning rate of discharging, the stability that is conducive to unload has alleviated dead weight of vehicle.Solved that employing cylinder weight is large, volume is large, prominent moving property is large, the poor stability problem, uses interlocking gas control technology, improves a kind of railway dumping car Pneumatic and hydraulic device of railway discharging vehicle unloading safe reliability.
Description of drawings
Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is further described in detail.
Fig. 1 is the structure principle chart of Pneumatic and hydraulic device.
in figure: 1-main air pipeline, the 2-filtering pressure reducing valve, the 3-source of the gas is processed valve, the 4-two-position, the 5-air-driven hydraulic pump, the 6-check valve, the 7-shuttle valve, the 8-shuttle valve, 9-right side of car 3 position-5 way Pneumatic valve, 10-left side of car 3 position-5 way Pneumatic valve, the 11-interlock valve, the 12-interlock valve, the manual bivalve group of 13-left side of car, the manual bivalve group of 14-right side of car, 15-left side of car 3-position 4-way vapour-liquid valve, the 16-flow regulating valve, the 17-oil pipe, the 18-left side of car hydraulic actuating cylinder of tumbling, the 19-compartment, the 20-oil pipe, 21-left side of car unlock cylinder, 22-left side of car side door opening and closing device locking bar, 23-left side of car machine control valve, 24-right side of car side door opening and closing device locking bar, 25-right side of car unlock cylinder, 26-right side of car machine control valve, the 27-right side of car hydraulic actuating cylinder of tumbling, the 28-oil pipe, the 29-oil pipe, 30-right side of car 3-position 4-way vapour-liquid valve.
The specific embodiment
The utility model adopts air-driven hydraulic pump 5 to control hydraulic rams 18,27, the oil inlet of air-driven hydraulic pump 5 be connected with return opening with control one, right side of car hydraulic ram 18,27 one, the oil outlet A of right side of car 3-position 4-way vapour- liquid valve 15,30 is connected with return opening B; Control part is by operation one, the manual bivalve group 13 of right side of car, 14, be communicated with successively one, right side of car 3 position-5 way Pneumatic valve 9,10, one, right side of car unlock cylinder 21,25, one, right side of car machine control valve 23,26, shuttle valve 7,8, two-position 4 provides pressurized air to air-driven hydraulic pump 5, air-driven hydraulic pump 5 work, promote one, right side of car is tumbled hydraulic actuating cylinder 18,27 lifting actions, completes rollover and the falling in compartment 19.
The function of each parts of the utility model: the pressurized air in main air pipeline 1 is by railway locomotive or ground wind regime air feed; The pressurized air of filtering pressure reducing valve 2 cleaning pneumatic pipelines, the modification stability blast; Source of the gas is processed valve 3 and is had filtration, mist of oil, decompression, can clean the pneumatic pipeline between two-position 4, air-driven hydraulic pump 5, has lubricated two-position 4, air-driven hydraulic pump 5 functions, the modification stability blast; Two-position 4 is controlled the air switch of air-driven hydraulic pump 5; Air-driven hydraulic pump 5 is comprised of pneumatic piston and Hydraulic Pump, is having under compressed-air actuated driving, and oil pressure is set up in hydraulic oil pump work in hydraulic oil pipeline; Check valve 6 is controlled the hydraulic oil nonreturn flow; Shuttle valve 7, shuttle valve 8 have or the door function; When turning on one's side in the compartment, connects by shuttle valve 7 two-position 4 gas circuits; When falling after rise in the compartment, connects by shuttle valve 8 two-position 4 gas circuits; Right side of car 3 position-5 way Pneumatic valve 9 is controlled railway carriage 19 right side of car pneumatic pipelines; Left side of car 3 position-5 way Pneumatic valve 10 is controlled compartment left side of car pneumatic pipeline; Interlock valve 11, interlock valve 12 couplings have or the door function, guarantee to control the compartment and can not turn on one's side simultaneously both sides; The manual bivalve group 13 of left side of car is controlled rollover and the falling of compartment 19 left side of car; The manual bivalve group 14 of right side of car is controlled rollover and the falling of compartment right side of car; Left side of car 3-position 4-way vapour-liquid valve 15 is controlled the fuel-displaced and oil return of the hydraulic oil that left side of car hydraulic ram 18 is provided; Right side of car 3-position 4-way vapour-liquid valve 30 is controlled the fuel-displaced and oil return of the hydraulic oil that right side of car hydraulic ram 27 is provided; Flow regulating valve 14 can be regulated the flow of hydraulic oil; Left side of car hydraulic actuating cylinder 18, the right side of car hydraulic actuating cylinder 27 of tumbling of tumbling is double-act-ing hydraulic J-Horner; Compartment 19 lades; Left side of car side door opening and closing device locking bar 22 has the rollover function that locks the compartment left side of car; Right side of car side door opening and closing device locking bar 24 has the rollover function that locks the compartment right side of car; Left side of car unlock cylinder 21 has the lock function of untiing left side of car side door opening and closing device locking bar 22; Right side of car unlock cylinder 25 has the lock function of untiing right side of car side door opening and closing device locking bar 24; Left side of car machine control valve 23 has in 21 actions of left side of car unlock cylinder, connects and shuttle valve 7, two-position 4 gas circuit functions; Right side of car machine control valve 25 has in 24 actions of left side of car unlock cylinder, connects and shuttle valve 7, two-position 4 gas circuit functions; Left side of car hydraulic actuating cylinder 18, the right side of car hydraulic actuating cylinder 27 of tumbling of tumbling is double-act-ing hydraulic J-Horner; The delivery pipe of oil pipe 17, oil pipe 20, oil pipe 28, oil pipe 29 hydraulic oil.
The utility model working process:
1. the rollover of railway carriage left side of car
Pneumatic pipeline:
Upwards stir 25 action → right side of car side door opening and closing device locking bar 24 releases of the manual bivalve 13 → interlock valve of left side of car 11 → left side of car 3 position-5 way Pneumatic valve 10 → right side of car unlock cylinder;
Left side of car 3 position-5 way Pneumatic valve 10 → right side of car machine control valve 26 → left side of car 3-position 4-way vapour-liquid valve 15 → oil pipe 17 is connected;
Right side of car machine control valve 26 → shuttle valve 7 → two-position 4 → air-driven hydraulic pump 5 gas circuits are connected.
Hydraulic tubing:
Air-driven hydraulic pump 5 operating oil pressure foundation → check valve 6 → oil inlet 17 → flow regulating valve 14 → left side of car hydraulic actuating cylinder 18 of tumbling upwards promotes compartment 19 rollover.
2. the falling of compartment left side of car
Pneumatic pipeline:
Stirring the manual bivalve 13 → left side of car of left side of car 3 position-5 way Pneumatic valve 10 → left side of car 3-position 4-way vapour-liquid valve 15 → chargine line 20 downwards connects;
Left side of car 3 position-5 way Pneumatic valve 10 → shuttle valve 8 → two-position 4 → air-driven hydraulic pump 5 gas circuits are connected.
Hydraulic tubing:
Air-driven hydraulic pump 5 operating oil pressure foundation → check valve 6 → oil pipe 20 → flow regulating valve 14 → left side of car hydraulic actuating cylinder 18 of tumbling pulls down motor-car railway carriage or compartment 19 and falls after rise.
3. the rollover of compartment right side of car
Pneumatic pipeline:
Upwards stir 21 action → left side of car side door opening and closing device locking bar 22 releases of the manual bivalve 14 → interlock valve of right side of car 12 → right side of car 3 position-5 way Pneumatic valve 9 → left side of car unlock cylinder;
Right side of car 3 position-5 way Pneumatic valve 9 → left side of car machine control valve 23 → right side of car 3-position 4-way vapour-liquid valve 30 → chargine line 28 is connected;
Left side of car machine control valve 23 → shuttle valve 7 → two-position 4 → air-driven hydraulic pump 5 gas circuits are connected;
Hydraulic tubing:
Air-driven hydraulic pump 5 operating oil pressure foundation → check valve 6 → oil pipe 28 → flow regulating valve 14 → right side of car hydraulic actuating cylinder 27 of tumbling upwards promotes compartment 19 and tumbles.
4. the falling of compartment right side of car
Pneumatic pipeline:
Stirring the manual bivalve 14 → right side of car of left side of car 3 position-5 way Pneumatic valve 9 → right side of car 3-position 4-way vapour-liquid valve 30 → chargine line 29 downwards connects;
Right side of car 3 position-5 way Pneumatic valve 9 → shuttle valve 8 → two-position 4 → air-driven hydraulic pump 5 gas circuits are connected;
Hydraulic tubing:
Air-driven hydraulic pump 5 operating oil pressure foundation → check valve 6 → oil pipe 29 → flow regulating valve 14 → left side of car hydraulic actuating cylinder 27 of tumbling pulls down motor-car railway carriage or compartment 19 and falls after rise.
5. the interlock function of interlock valve:
When interlock valve 11 gas circuits are connected, interlock valve 12 gas circuits sealings, when interlock valve 12 gas circuits are connected, interlock valve 11 gas circuits sealings, one, the unloading of can not tumbling simultaneously of right side of car compartment.
It should be noted last that, the above specific embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (3)
1. railway dumping car Pneumatic hydraulic tipping device, it is characterized in that, comprise air-driven hydraulic pump, the left side of car hydraulic actuating cylinder of tumbling, left side of car three-position four-way valve, the manual bivalve group of left side of car, left side of car 3 position-5 way Pneumatic valve, the left side of car unlock cylinder, left side of car machine control valve, two-position and left side of car side door opening and closing device locking bar;
The oil inlet of described air-driven hydraulic pump is connected with return opening with the control mouth of described left side of car three-position four-way valve and is connected with return opening, and the tumble oil inlet of hydraulic actuating cylinder of described left side of car is connected with return opening with the control mouth of described left side of car three-position four-way valve and is connected with return opening;
The manual bivalve group of described left side of car is communicated with described left side of car 3 position-5 way Pneumatic valve successively, described left side of car three-position four-way valve, described left side of car unlock cylinder, described left side of car machine control valve and described two-position, the main air pipeline connects described air-driven hydraulic pump by described two-position, and described left side of car machine control valve connects described left side of car side door opening and closing device locking bar.
2. railway dumping car Pneumatic hydraulic tipping device according to claim 1, is characterized in that, also comprises the manual bivalve group of right side of car, right side of car 3 position-5 way Pneumatic valve, right side of car three-position four-way valve, right side of car unlock cylinder, right side of car machine control valve, shuttle valve group, right side of car side door opening and closing device locking bar;
The oil inlet of described air-driven hydraulic pump and return opening also are connected with return opening with the control mouth of described right side of car three-position four-way valve respectively, and the tumble oil inlet of hydraulic actuating cylinder of described right side of car is connected with return opening with the control mouth of described right side of car three-position four-way valve and is connected with return opening;
Described one, the manual bivalve group of right side of car, be communicated with successively described one, right side of car 3 position-5 way Pneumatic valve, described one, right side of car three-position four-way valve, described one, right side of car unlock cylinder, described one, right side of car machine control valve, described shuttle valve group and described two-position; Described right side of car unlock cylinder connects described right side of car side door opening and closing device locking bar.
3. railway dumping car Pneumatic hydraulic tipping device according to claim 2, is characterized in that, also comprises the interlock valve group, and that described interlock valve group is arranged on is described one, between the manual bivalve group of right side of car and described one, right side of car 3 position-5 way Pneumatic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220631432 CN202935352U (en) | 2012-11-26 | 2012-11-26 | Pneumatic control hydraulic device for railway dump trucks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220631432 CN202935352U (en) | 2012-11-26 | 2012-11-26 | Pneumatic control hydraulic device for railway dump trucks |
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| Publication Number | Publication Date |
|---|---|
| CN202935352U true CN202935352U (en) | 2013-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220631432 Withdrawn - After Issue CN202935352U (en) | 2012-11-26 | 2012-11-26 | Pneumatic control hydraulic device for railway dump trucks |
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| Country | Link |
|---|---|
| CN (1) | CN202935352U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103101547A (en) * | 2012-11-26 | 2013-05-15 | 南车长江车辆有限公司 | Air-control hydraulic device used for railway self-discharging vehicle |
-
2012
- 2012-11-26 CN CN 201220631432 patent/CN202935352U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103101547A (en) * | 2012-11-26 | 2013-05-15 | 南车长江车辆有限公司 | Air-control hydraulic device used for railway self-discharging vehicle |
| CN103101547B (en) * | 2012-11-26 | 2015-04-22 | 南车长江车辆有限公司 | Air-control hydraulic device used for railway self-discharging vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130515 Effective date of abandoning: 20150422 |