CN104960517A - Integrated valve block for hydraulic braking system of empty-container stacking machine - Google Patents
Integrated valve block for hydraulic braking system of empty-container stacking machine Download PDFInfo
- Publication number
- CN104960517A CN104960517A CN201510396137.8A CN201510396137A CN104960517A CN 104960517 A CN104960517 A CN 104960517A CN 201510396137 A CN201510396137 A CN 201510396137A CN 104960517 A CN104960517 A CN 104960517A
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- Prior art keywords
- oil
- valve
- feed port
- communicated
- outlet
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
- Fluid-Pressure Circuits (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention provides an integrated valve block for a hydraulic braking system of an empty-container stacking machine. The integrated valve block comprises a valve body and an energy accumulator, wherein an oil inlet communicated with the oil outlet of a braking pump, an oil return opening, an oil feeding opening of a cooling oil channel of a driving bridge, an oil feeding opening of a hydraulic pilot oil source, a parking-brake oil feeding opening and a running-brake oil feeding opening are formed in the valve body; one path of the oil inlet is connected with the oil return opening, the oil feeding opening of the cooling oil channel of the driving bridge, and a signal feedback port of a pressure reducing valve separately through a direct-acting overflow valve, and the outlet of the pressure reducing valve is communicated with the oil feeding opening of the hydraulic pilot oil source; another path of the oil inlet is connected with the running-brake oil feeding opening, the energy accumulator, a prefill valve, a two-position three-way electromagnetic valve and the pressure reducing valve separately through an one-way valve; the outlet of the prefill valve is connected with the two-position three-way electromagnetic valve; the outlet of the two-position three-way electromagnetic valve is communicated with the parking-brake oil feeding opening; the pressure reducing valve is communicated with the oil feeding opening of the hydraulic pilot oil source. The integrated valve block integrates five major functions, so that the arrangement of pipelines is reduced, the valve block is convenient to examine and maintain, and the cost is reduced.
Description
Technical field
The present invention relates to Forklift brake system, be specifically related to a kind of integrated valve block for empty container piling crane hydraulic brake system.
Background technology
Empty container piling crane is the conventional a kind of logistics haulage equipment in harbour, stockyard, and its work time space is narrow, and needs to start frequently, turns to, brakes, and therefore car load needs to possess brake system safely and effectively.The brake system of Nowadays, Container shipping empty container stacking machine is full power hydraulic brake system, and hydraulic brake system is one of gordian technique affecting Forklift overall performance.What the brake system of existing empty container piling crane adopted is that braking element is arranged apart, braking element function singleness, prefill valve, energy storage, guide oil source valve, reducing valve etc. are had in whole brake system, lay pipeline respectively to energy storage topping up, service brake fuel feeding, stopping brake fuel feeding, guide's fuel feeding and drive axle interior oil cool, and these pipelines are all separately lay, its existing defects: is that piping layout is complicated, maintenance difficult; Two is that cost is higher; Three is take interior space.
Summary of the invention
Object of the present invention is exactly to solve above-mentioned Problems existing, provides a kind of integrated valve block for empty container piling crane hydraulic brake system, improves the integrated level of hydraulic brake system, convenient for maintaining.
Technical scheme of the present invention is: a kind of integrated valve block for empty container piling crane hydraulic brake system, the energy storage comprising valve body and be communicated with it, described valve body is provided with the oil inlet, return opening, the oil-feed port of drive axle cooling oil path, the oil-feed port of hydraulic pilot oil sources, stopping brake oil-feed port and the service brake oil-feed port that are communicated with the oil outlet of brake pump; Described oil inlet is leaded up to direct acting by pass valve and is connected with the oil-feed port of return opening, drive axle cooling oil path, reducing valve signal feedback port respectively, and described reducing valve outlet is communicated with the oil-feed port of hydraulic pilot oil sources; Oil inlet is separately leaded up to check valve and is connected with service brake oil-feed port, energy storage, prefill valve, two-bit triplet electromagnetic valve, reducing valve respectively; Described prefill valve outlet is connected with two-bit triplet electromagnetic valve; Described two-bit triplet electromagnetic valve outlet is communicated with stopping brake oil-feed port, and described reducing valve is communicated with the oil-feed port of hydraulic pilot oil sources.
Further scheme, is provided with back pressure check valve between described direct acting by pass valve and return opening.
Further scheme, the arrival end of described energy storage is provided with adjustable throttling.
Further scheme, described prefill valve outgate is connected with the import of direct acting by pass valve.
After complete machine starts, the oil inlet P of the high-voltage oil liquid of being come by brake pump on valve body enters point two-way in valve body, and a route check valve enters in energy storage and carries out topping up, carrys out adjust flux by adjustable throttling; Part high pressure oil to reduce pressure 3.5Mpa through reducing valve, through the oil-feed port of hydraulic pilot oil sources for hydraulic efficiency pressure system pilot control; Partial high pressure oil is also had to supply the service brake fluid of complete machine through service brake oil-feed port A.When pressure reaches brake system pressure setting, high pressure oil enters from prefill valve import E and opens main valve, imports two-bit triplet electromagnetic valve import Q, supply the work of car load stopping brake through stopping brake oil-feed port B through its outlet; And unnecessary fluid earial drainage is to back pressure check valve, be then back to hydraulic reservoir by the refluxing opening mouth on valve body.The oil-feed port D that braking by pass valve flows to the drive axle cooling oil path valve body is passed through, to supply the cooling oil in machine's drive bridge from another road of oil inlet P shunting.
So integrated valve block of the present invention is integrated with the topping up of empty container piling crane hydraulic brake system, service brake fuel feeding, stopping brake fuel feeding, drive axle cooling and hydraulic pilot fuel feeding five functional.Decrease pipe arrangement, save the space in car body; And facilitate maintenance and inspection, reduce costs.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Fig. 1 is structural representation of the present invention;
In figure: 1-valve body, 2-energy storage, 11-check valve, 12-prefill valve, 13-direct acting by pass valve, 14-back pressure check valve, 15-reducing valve, 16-two-bit triplet electromagnetic valve, 17-adjustable throttling;
P: oil inlet; T: return opening; D: the oil-feed port of drive axle cooling oil path; C: the oil-feed port of hydraulic pilot oil sources;
B: stopping brake oil-feed port; A: service brake oil-feed port.
Detailed description of the invention
As shown in Figure 1, a kind of integrated valve block for empty container piling crane hydraulic brake system, the energy storage 2 comprising valve body 1 and be communicated with it, described valve body 1 is provided with the oil inlet P, oil return inlet T, the oil-feed port D of drive axle cooling oil path, oil-feed port C, the stopping brake oil-feed port B of hydraulic pilot oil sources and service brake oil-feed port A that are communicated with the oil outlet of brake pump; Described oil inlet P is leaded up to direct acting by pass valve 13 and is connected with oil-feed port D, the reducing valve 15 signal feedback port K of oil return inlet T, drive axle cooling oil path respectively, and described reducing valve 15 outlet is communicated with the oil-feed port C of hydraulic pilot oil sources; Oil inlet P is separately leaded up to check valve 11 and is connected with service brake oil-feed port A, energy storage 2, prefill valve 12 import E, two-bit triplet electromagnetic valve 16 import N, reducing valve 15 import O respectively; Described prefill valve 12 exports F and is connected with two-bit triplet electromagnetic valve 16 import Q; Described two-bit triplet electromagnetic valve 16 exports M and is communicated with stopping brake oil-feed port B, and described reducing valve 15 is communicated with the oil-feed port C of hydraulic pilot oil sources.
Further scheme, described prefill valve 12 outgate G is connected with direct acting by pass valve 13 import H, is provided with back pressure check valve 14, direct acting by pass valve 13 exports J, prefill valve 12 exports F and be all connected with back pressure check valve 14 between direct acting by pass valve 13 and oil return inlet T.
Further scheme, the arrival end of described energy storage 2 is provided with adjustable throttling 17.
After complete machine starts, the oil inlet P of the high-voltage oil liquid of being come by brake pump on valve body 1 enters point two-way in valve body 1, and a route check valve 11 enters in energy storage 2 and carries out topping up, carrys out adjust flux by adjustable throttling 17; Part high pressure oil reduces pressure to 3.5Mpa through reducing valve 15, through the oil-feed port C of hydraulic pilot oil sources for hydraulic efficiency pressure system pilot control; Partial high pressure oil is also had to supply the service brake fluid of complete machine through service brake oil-feed port A.When pressure reaches brake system pressure setting, high pressure oil enters from prefill valve 12 import E and opens main valve, imports two-bit triplet electromagnetic valve 16 import Q, supply the work of car load stopping brake through stopping brake oil-feed port B through its outlet F; And unnecessary fluid earial drainage is to back pressure check valve 14, be then back to hydraulic reservoir by the refluxing opening mouth on valve body 1.The oil-feed port D that braking by pass valve 13 flows to the drive axle cooling oil path valve body 1 is passed through, to supply the cooling oil in machine's drive bridge from another road of oil inlet P shunting.
So integrated valve block of the present invention is integrated with the topping up of empty container piling crane hydraulic brake system, service brake fuel feeding, stopping brake fuel feeding, drive axle cooling and hydraulic pilot fuel feeding five functional.Decrease pipe arrangement, save the space in car body; And facilitate maintenance and inspection.
Above embodiment is not limited only to protection scope of the present invention, all modify based on basic thought of the present invention or change all belong to protection scope of the present invention.
Claims (4)
1. the integrated valve block for empty container piling crane hydraulic brake system, the energy storage (2) comprising valve body (1) and be communicated with it, is characterized in that: described valve body (1) is provided with the oil inlet, return opening, the oil-feed port of drive axle cooling oil path, the oil-feed port of hydraulic pilot oil sources, stopping brake oil-feed port and the service brake oil-feed port that are communicated with the oil outlet of brake pump; Described oil inlet is leaded up to direct acting by pass valve (13) and is connected with the oil-feed port of return opening, drive axle cooling oil path, reducing valve (15) signal feedback port respectively, and described reducing valve (15) outlet is communicated with the oil-feed port of hydraulic pilot oil sources; Oil inlet is separately leaded up to check valve (11) and is connected with service brake oil-feed port, energy storage (2), prefill valve (12), two-bit triplet electromagnetic valve (16), reducing valve (15) respectively; Described prefill valve (12) outlet is connected with two-bit triplet electromagnetic valve (16); Described two-bit triplet electromagnetic valve (16) outlet is communicated with stopping brake oil-feed port, and described reducing valve (15) is communicated with the oil-feed port of hydraulic pilot oil sources.
2. the integrated valve block for empty container piling crane hydraulic brake system according to claim 1, is characterized in that: be provided with back pressure check valve (14) between described direct acting by pass valve (13) and return opening.
3. the integrated valve block for empty container piling crane hydraulic brake system according to claim 1, is characterized in that: the arrival end of described energy storage (2) is provided with adjustable throttling (17).
4. the integrated valve block for empty container piling crane hydraulic brake system according to claim 1, is characterized in that: described prefill valve (12) outgate is connected with direct acting by pass valve (13) import.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510396137.8A CN104960517A (en) | 2015-07-08 | 2015-07-08 | Integrated valve block for hydraulic braking system of empty-container stacking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510396137.8A CN104960517A (en) | 2015-07-08 | 2015-07-08 | Integrated valve block for hydraulic braking system of empty-container stacking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104960517A true CN104960517A (en) | 2015-10-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510396137.8A Pending CN104960517A (en) | 2015-07-08 | 2015-07-08 | Integrated valve block for hydraulic braking system of empty-container stacking machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN104960517A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139908A (en) * | 2017-05-27 | 2017-09-08 | 徐工集团工程机械股份有限公司科技分公司 | It is a kind of that there is the hand brake valve assembly for exporting oil sources |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1731393A1 (en) * | 2005-06-10 | 2006-12-13 | KNORR-BREMSE SYSTEME FÜR NUTZFAHRZEUGE GmbH | Air treatment system and parking brake module for a brake system of a commercial motor vehicle |
| CN103359097A (en) * | 2013-07-18 | 2013-10-23 | 杭叉集团股份有限公司 | Hydraulic braking system of large-tonnage electric fork-lift truck |
| CN203580932U (en) * | 2013-09-30 | 2014-05-07 | 徐州徐工挖掘机械有限公司 | Charging brake valve set of wheel type hydraulic shovel |
| CN104527628A (en) * | 2014-12-30 | 2015-04-22 | 郑州宇通重工有限公司 | Micro-motion function and hydraulic brake control system of wheeled dozer |
| CN204870985U (en) * | 2015-07-08 | 2015-12-16 | 安徽合力股份有限公司 | A integrated valve block that is used for container empty van to pile high quick -witted hydraulic braking system |
-
2015
- 2015-07-08 CN CN201510396137.8A patent/CN104960517A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1731393A1 (en) * | 2005-06-10 | 2006-12-13 | KNORR-BREMSE SYSTEME FÜR NUTZFAHRZEUGE GmbH | Air treatment system and parking brake module for a brake system of a commercial motor vehicle |
| CN103359097A (en) * | 2013-07-18 | 2013-10-23 | 杭叉集团股份有限公司 | Hydraulic braking system of large-tonnage electric fork-lift truck |
| CN203580932U (en) * | 2013-09-30 | 2014-05-07 | 徐州徐工挖掘机械有限公司 | Charging brake valve set of wheel type hydraulic shovel |
| CN104527628A (en) * | 2014-12-30 | 2015-04-22 | 郑州宇通重工有限公司 | Micro-motion function and hydraulic brake control system of wheeled dozer |
| CN204870985U (en) * | 2015-07-08 | 2015-12-16 | 安徽合力股份有限公司 | A integrated valve block that is used for container empty van to pile high quick -witted hydraulic braking system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139908A (en) * | 2017-05-27 | 2017-09-08 | 徐工集团工程机械股份有限公司科技分公司 | It is a kind of that there is the hand brake valve assembly for exporting oil sources |
| CN107139908B (en) * | 2017-05-27 | 2024-01-23 | 徐工集团工程机械股份有限公司科技分公司 | Hand brake valve assembly with output oil source |
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Application publication date: 20151007 |
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| RJ01 | Rejection of invention patent application after publication |