CN201314307Y - Frame-machine hydraulic-system - Google Patents
Frame-machine hydraulic-system Download PDFInfo
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- CN201314307Y CN201314307Y CNU2008202381667U CN200820238166U CN201314307Y CN 201314307 Y CN201314307 Y CN 201314307Y CN U2008202381667 U CNU2008202381667 U CN U2008202381667U CN 200820238166 U CN200820238166 U CN 200820238166U CN 201314307 Y CN201314307 Y CN 201314307Y
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Abstract
The utility model relates to a frame-machine hydraulic-system comprising a feeding module, a bending fastening module and a left-and-right fastening module. The feeding module, the bending fastening module and the left-and-right fastening module are connected with an oil box, and a pressure control valve member and a governing valve member are arranged on each module. Compared with an internal frame-machine hydraulic-system, the application range of the utility model can reach 800 t, which cannot be reached by the existing internal similar products yet. The frame-machine hydraulic-system increases feeding, working and molding speeds of a frame-machine, and greatly improves the molding precision; the highest feeding speed can reach 150 mm/s, the stroke of 800 t frame-machine hydraulic-system can reach plus or minus 450 mm, the highest working speed can reach 15 mm/s, the horizontal molding error is less than plus or minus 1 mm/m, and the machining range of sectional materials is wider; and the increase of tonnage leads the machining dimension of a hull frame to be bigger, a customer can choose according to different demands, and the requirements of shipbuilding industry can be satisfied substantially.
Description
Technical field
The utility model relates to hull rib process equipment rib machine, is specially the rib machine hydraulic system.
Background technique
The rib machine has become the focus of large size machine tool producer research as the necessaries of hull rib processing.Domestic present rib machine mainly concentrates on little tonnage product below 400 tons, and because large-tonnage rib machine requires highlyer to the latus rectum of valve and internal leakage etc., common homemade valve is difficult to reach user demand.In addition, domestic present rib machine hydraulic system is lower in operating rates such as feeding moulding, and the working stability reliability is relatively poor, and the fabircated shapes scope is narrow, and machining accuracy has much room for improvement, and is still waiting to improve on system structure design.160 tons of-400 tons of rib machines as Jiangsu numerical control machine tool long production only can be used for the processing of ball-type steel and angle steel, and mainly concentrate on the use of medium and small tonnage, and machining range is narrow.
Along with the keeping reforming and develop of technology, electric liquid is raised the clothes technology will progressively replace conventional hydraulic control, and this technology is to improving precision, and speed and Security and intelligentized realization all have huge help.
Summary of the invention
Problem to be solved in the utility model is: existing rib machine product tonnage is little, the fabircated shapes narrow range, and operating rate is low, and machining accuracy has much room for improvement, and needs a kind of Applicable scope wider, the product that velocity accuracy is higher.
The technical solution of the utility model is: the rib machine hydraulic system, comprise feeding module, crooked clamp module and left and right sides clamp module, three modules connect fuel tank, feeding module comprises the first feeding cylinder, the second feeding cylinder, left side backward deformation oil motor and right backward deformation oil motor, crooked clamp module comprises principal curvature cylinder and middle clamping cylinder, left and right sides clamp module comprises left clamping cylinder and right clamping cylinder, the first feeding cylinder wherein, the second feeding cylinder, left side backward deformation oil motor, right backward deformation oil motor, the principal curvature cylinder connects fuel tank by electro-hydraulic reversing valve respectively, middle clamping cylinder, the rod chamber of left side clamping cylinder and three clamping cylinders of right clamping cylinder is connected fuel tank by electro-hydraulic reversing valve, the rodless cavity of three clamping cylinders connects fuel tank by poppet valve, is provided with pressure control valve member and speed governing valve member between all electro-hydraulic reversing valves and the fuel tank.
Middle clamping cylinder, left clamping cylinder and right clamping cylinder all are equipped with pressure relay; Feeding module, crooked clamp module and left and right sides clamp module are equipped with the system pressure table, and crooked clamp module and left and right sides clamp module can shared system pressure tables, and middle clamping cylinder, left clamping cylinder and right clamping cylinder are respectively equipped with the oil cylinder rodless cavity pressure gauge.Fuel tank outputs to feeding module, crooked clamp module and left and right sides clamp module by oil pump, one-way valve, filter successively, is provided with pressure alarm in its middle filtrator.
Pressure control valve member and speed governing valve member adopt BOSCH REXROTH hydraulic valve piece, and rib machine each several part connects by the PARKER pipe connector.
The rib machine needs quite high processing flexibility when realizing the function of feeding and bending, therefore oil cylinder speed and positioning control are needed higher precision.The utility model is provided with pressure control valve member and speed governing valve member, and each oil cylinder speed, position, strength adopt accurate electromagnetic valve, the position control accuracy of acquisition＜± 1mm/m; The working pressure table is to system pressure simultaneously, and bending force etc. are monitored.Valve member adopts cartridge valve control more, makes system compact more, adopts integrated design, and whole hydraulic system is divided into feeding module, crooked clamp module and left and right sides clamp module three parts, reduces the pipeline demand.The series flow control valve of feeding module can be regulated and control feeding speed; In the design of Clamping system, because finishing the rodless cavity of the middle clamping cylinder in back, left clamping cylinder, three clamping cylinders of right clamping cylinder, pressure maintaining period needs off-load, bad may the generation whole system of off-load process control impacted, so off-load process need Flexible Control, the utility model reduces impact at the rodless cavity output terminal increase poppet valve of three clamping cylinders, makes that the off-load process is mild; Three clamping cylinders are boost pressure and speed regulating control valve member also, according to actual conditions clamping force and speed is regulated in client's using process.The utility model whole system can upgrade to proportional control to promote the requirement of relevant parameter precision according to customer demand.
With respect to domestic rib machine hydraulic system, Applicable scope of the present utility model can reach 800 tons, this is that present domestic like product also is beyond one's reach, the utility model has improved the feeding of rib machine, work, shaping speed, and formed precision is had bigger improvement, the fastest 150mm/s that reaches of feeding speed, the stroke of 800 tons of rib machine hydraulic systems can reach ± 450mm, maximum operating speed reaches 15mm/s, the horizontal form error＜± 1mm/m, the section bar machining range is more extensive; The raising of tonnage makes that hull rib processing dimension is bigger, and the client can select according to different needs, satisfies the demand of shipbuilding industry substantially.
Description of drawings
Fig. 1 is the utility model system implementation schematic representation.
Fig. 2 is the utility model operation acts figure.
Embodiment
As Fig. 1, the utility model comprises feeding module 2, crooked clamp module 3 and left and right sides clamp module 4, three modules connect fuel tank 1, feeding module 2 comprises the first feeding cylinder 201, the second feeding cylinder 202, left side backward deformation oil motor 203 and right backward deformation oil motor 204, crooked clamp module 3 comprises principal curvature cylinder 301 and middle clamping cylinder 302, left and right sides clamp module 4 comprises left clamping cylinder 401 and right clamping cylinder 402, the first feeding cylinder 201 wherein, the second feeding cylinder 202, left side backward deformation oil motor 203, right backward deformation oil motor 204, principal curvature cylinder 301 connects fuel tank 1 by electro-hydraulic reversing valve respectively, middle clamping cylinder 302, the rod chamber of left side clamping cylinder 401 and 402 3 clamping cylinders of right clamping cylinder is connected fuel tank 1 by electro-hydraulic reversing valve, the rodless cavity of three clamping cylinders connects fuel tank 1 by poppet valve, is provided with pressure control valve member and speed governing valve member between all electro-hydraulic reversing valves and the fuel tank 1.Middle clamping cylinder 302, left clamping cylinder 401 and right clamping cylinder 402 all are equipped with pressure relay; Feeding module 2, crooked clamp module 3 and left and right sides clamp module 4 are equipped with system pressure table 5, wherein crooked clamp module 3 and left and right sides clamp module 4 can shared system pressure tables, and middle clamping cylinder 302, left clamping cylinder 401 and right clamping cylinder 402 are respectively equipped with oil cylinder rodless cavity pressure gauge 6; Fuel tank 1 outputs to feeding module 2, crooked clamp module 3 and left and right sides clamp module 4 by oil pump, one-way valve, filter successively, is provided with pressure alarm in its middle filtrator.
Fig. 2 is the operation acts table of the utility model system, contrast Fig. 1, and YV1～YV26 represents the electromagnet of each electro-hydraulic reversing valve, poppet valve respectively, the corresponding electromagnet of "+" expression gets electric and module is carried out corresponding actions.Illustrate below.
Three modules of the present utility model comprise two feed systems, two anamorphotic systems, a principal curvature system and three Clamping systems, whole hydraulic system divides three bulks, four fritters integrated design: three bulks are feeding module 2, crooked clamp module 3 and left and right sides clamp module 4, four fritters are: the pressure control valve member is formed four pressure control pieces 19-1,19-2,35-1,35-2, wherein feeding module 2 obtains hydraulic power by oil pump 7, and principal curvature and middle clamp module 3 and left and right sides clamp 4 obtain hydraulic power by oil pump 8.
1), oil pump 7,8 starts:
Electric motor starting drives oil pump 7,8 work, fluid is through one-way valve 9,10, filter 11,12 incoming pressure controll blocks 19-1,19-2, when the filter, when filter oil-feed and oil outlet pressure reduction are excessive, the pressure alarm of establishing in the filter cut-out motor power of reporting to the police, avoid pump start pressure excessive, the protection oil pump, this moment, pressure control module 19-1,19-2 solenoid valve 13-1,13-2 can not get electricly, and fluid passes back into fuel tank through solenoid valve; Under the normal operation, cartridge valve 15-1,15-2 complete openings of pressure control module 19-1,19-2, the system zero load starts;
2), the control of feeding cylinder and oil motor:
Pressure control module 19-1, the first feeding cylinder 201 and the second feeding cylinder 201 are by electro-hydraulic reversing valve 13-1,21-1,21-2 link to each other with fuel tank, behind oil pump 7 normal the startups, electro-hydraulic reversing valve 13-1,21-1,21-2 electromagnet YV3, YV4, YV6 gets, the fluid that oil pump is discharged is through one-way valve 9, filter 11 enters series flow control valve 20-1 respectively, 20-2 and electro-hydraulic reversing valve 21-1,21-2, enter feeding cylinder 201 again, 202 rodless cavity, the rod chamber fluid of the first feeding cylinder 201 and the second feeding cylinder 201 is through electro-hydraulic reversing valve 21-1 simultaneously, the 21-2 oil sump tank is realized feeding; When electromagnet YV4, YV6 dead electricity, electromagnet YV5, YV7 get electric, and the first feeding cylinder 201 and the second feeding cylinder 201 return.Feeding speed is set up by series flow control valve 20-1,20-2, two feeding cylinder speed should be transferred to unanimity as far as possible; Feeding pressure is adjusted by the pilot valve 14-1 on the cartridge valve 15-1, and cartridge valve can have multiple use, is one of purposes as pressure control, and cartridge valve 15-1 uses as pressure valve here.When the electromagnet YV20 of the electro-hydraulic reversing valve 22 that connects left and right backward deformation oil motor 203,204 and fuel tank gets, the oil that oil pump 7 is discharged enters electro-hydraulic reversing valve 26-1,26-2 respectively through electro-hydraulic reversing valve 22, one-way valve 23, reduction valve 24, throttle valve 25, enter left and right backward deformation oil motor 203,204 again, the fluid that oil motor is discharged is through electro-hydraulic reversing valve 26-1,26-2 oil sump tank, and oil motor just changes; As electromagnet YV16, the YV18 dead electricity of electro-hydraulic reversing valve 26-1,26-2, YV17, YV19 get electric, the oil motor counter-rotating.Left and right backward deformation oil motor 203,204 working pressures are regulated by reduction valve 24, and speed is regulated by throttle valve 25.
3), the control of crooked cylinder and middle clamping cylinder:
Pressure control module 19-2, principal curvature cylinder 301 link to each other with fuel tank 1 by electro-hydraulic reversing valve 13-2,34-1, behind oil pump 8 normal the startups, electromagnet YV1, the YV14 of electro-hydraulic reversing valve 13-2,34-1 get, the fluid process one-way valve 10 that oil pump 8 is discharged), filter 12 enters the chamber that electro-hydraulic reversing valve 34-1 enters principal curvature cylinder 301, the fluid in principal curvature cylinder 301 another chambeies is back to fuel tank through electro-hydraulic reversing valve 34-1, realizes flexure operation; As the electromagnet YV14 dead electricity of electro-hydraulic reversing valve 34-1, electromagnet YV15 gets electric, principal curvature cylinder counteragent.Pilot valve 14-2 on the principal curvature pressure cartridge valve 15-2 adjusts.
Middle clamping cylinder is equipped with electro-hydraulic reversing valve 34-2,29-1, when electromagnet YV1, YV10, the YV24 of electro-hydraulic reversing valve 13-2,34-2,29-1 get when electric, the oil that oil pump 8 is discharged is through throttle valve 38-1, the reduction valve 39-1 of pressure control module 35-1, enter the rodless cavity of middle clamping cylinder 302 again through electro-hydraulic reversing valve 34-2, cartridge valve 32-1, the fluid of middle clamping cylinder 302 rod chambers is back to fuel tank through electro-hydraulic reversing valve 34-2, realizes clamping action.When clamping reaches the pressure of pressure relay 43-1 setting, pressure relay 43-1 sender, electromagnet YV1, YV10, YV24 dead electricity, clamping cylinder 302 pressurizes in the middle of this moment, system unloaded, the electromagnet YV23 of the poppet valve 33-1 that middle clamping cylinder 302 sets gets electric, and the pressure oil of middle clamping cylinder 302 rodless cavities is through poppet valve 33-1 oil sump tank, rapid and the stable decline of pressure of clamping cylinder 302 rodless cavities in the middle of making realizes warming-up exercise---the off-load that return is preceding; Off-load is finished, electromagnet YV10, the YV23 dead electricity of electro-hydraulic reversing valve 34-2 and poppet valve 33-1, and electro-hydraulic reversing valve 34-2,29-1 electromagnet YV11, YV24 get electric, and middle clamping cylinder unclamps return.Clamping cylinder speed is regulated by throttle valve 38-1, and clamping force is regulated by the pilot valve 36-1 of cartridge pressure reduction valve 39-1.
4), the control of left and right clamping cylinder:
The control of left and right clamping cylinder 401,402 is identical with the control of middle clamping cylinder 302.
Left side clamping cylinder 401 is equipped with electro-hydraulic reversing valve 34-3,29-2, when electromagnet YV1, YV8, the YV25 of electro-hydraulic reversing valve 13-2,34-3,29-2 get when electric, the oil that oil pump 8 is discharged is through throttle valve 38-2, the reduction valve 39-2 of pressure control module 35-2, enter the rodless cavity of left clamping cylinder 401 again through electro-hydraulic reversing valve 34-3, cartridge valve 32-2, the fluid of left side clamping cylinder 401 rod chambers is back to fuel tank through electro-hydraulic reversing valve 34-3, realizes clamping action.When the clamping of left side clamping cylinder 401 reaches the pressure of the pressure relay 43-2 setting that sets, pressure relay 43-2 sender, electromagnet YV1, YV8, YV25 dead electricity, left clamping cylinder 401 pressurizes this moment, system unloaded, the electromagnet YV21 of the poppet valve 33-2 that left clamping cylinder 401 sets gets electric, and the pressure oil of left clamping cylinder 401 rodless cavities is through poppet valve 33-2 oil sump tank, make the rapid and stable decline of pressure of rodless cavity, realize warming-up exercise---the off-load that return is preceding; Off-load is finished, the electromagnet YV8 of electro-hydraulic reversing valve 34-3 and poppet valve 33-2, YV21 dead electricity, and electro-hydraulic reversing valve 34-3,29-2 electromagnet YV9, YV25 get electric, and left clamping cylinder 401 unclamps return.Clamping cylinder speed is regulated by throttle valve 38-2, and clamping force is regulated by the pilot valve 36-2 of cartridge pressure reduction valve 39-2.
Claims (9)
1, the rib machine hydraulic system, it is characterized in that comprising feeding module (2), crooked clamp module (3) and left and right sides clamp module (4), three modules connect fuel tank (1), feeding module (2) comprises the first feeding cylinder (201), the second feeding cylinder (202), left side backward deformation oil motor (203) and right backward deformation oil motor (204), crooked clamp module (3) comprises principal curvature cylinder (301) and middle clamping cylinder (302), left and right sides clamp module (4) comprises left clamping cylinder (401) and right clamping cylinder (402), the first feeding cylinder (201) wherein, the second feeding cylinder (202), left side backward deformation oil motor (203), right backward deformation oil motor (204), principal curvature cylinder (301) connects fuel tank (1) by electro-hydraulic reversing valve respectively, middle clamping cylinder (302), the rod chamber of left side clamping cylinder (401) and (402) three clamping cylinders of right clamping cylinder is connected fuel tank (1) by electro-hydraulic reversing valve, the rodless cavity of three clamping cylinders connects fuel tank (1) by poppet valve, is provided with pressure control valve member and speed governing valve member between all electro-hydraulic reversing valves and the fuel tank (1).
2, rib machine hydraulic system according to claim 1, clamping cylinder (302), left clamping cylinder (401) and right clamping cylinder (402) all are equipped with pressure relay in the middle of it is characterized in that.
3, rib machine hydraulic system according to claim 1 and 2, it is characterized in that feeding module (2), crooked clamp module (3) and left and right sides clamp module (4) are equipped with system pressure table (5), middle clamping cylinder (302), left clamping cylinder (401) and right clamping cylinder (402) are respectively equipped with oil cylinder rodless cavity pressure gauge (6).
4, rib machine hydraulic system according to claim 1 and 2, it is characterized in that fuel tank (1) outputs to feeding module (2), crooked clamp module (3) and left and right sides clamp module (4) by oil pump, one-way valve, filter successively, is provided with pressure alarm in its middle filtrator.
5, rib machine hydraulic system according to claim 3, it is characterized in that fuel tank (1) outputs to feeding module (2), crooked clamp module (3) and left and right sides clamp module (4) by oil pump, one-way valve, filter successively, is provided with pressure alarm in its middle filtrator.
6, rib machine hydraulic system according to claim 1 and 2 is characterized in that pressure control valve member and speed governing valve member adopt BOSCH REXROTH hydraulic valve piece, and rib machine each several part connects by the PARKER pipe connector.
7, rib machine hydraulic system according to claim 3 is characterized in that pressure control valve member and speed governing valve member adopt BOSCH REXROTH hydraulic valve piece, and rib machine each several part connects by the PARKER pipe connector.
8, rib machine hydraulic system according to claim 4 is characterized in that pressure control valve member and speed governing valve member adopt BOSCH REXROTH hydraulic valve piece, and rib machine each several part connects by the PARKER pipe connector.
9, rib machine hydraulic system according to claim 5 is characterized in that pressure control valve member and speed governing valve member adopt BOSCH REXROTH hydraulic valve piece, and rib machine each several part connects by the PARKER pipe connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202381667U CN201314307Y (en) | 2008-12-23 | 2008-12-23 | Frame-machine hydraulic-system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202381667U CN201314307Y (en) | 2008-12-23 | 2008-12-23 | Frame-machine hydraulic-system |
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| Publication Number | Publication Date |
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| CN201314307Y true CN201314307Y (en) | 2009-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202381667U Expired - Lifetime CN201314307Y (en) | 2008-12-23 | 2008-12-23 | Frame-machine hydraulic-system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966637A (en) * | 2012-11-19 | 2013-03-13 | 党金行 | Intermittent hydraulic system |
| CN110745742A (en) * | 2019-09-16 | 2020-02-04 | 蚌埠市巨强机械液压油缸制造有限公司 | Bidirectional feeding and reversing and speed regulating method for pallet fork |
| CN110745741A (en) * | 2019-09-16 | 2020-02-04 | 蚌埠市巨强机械液压油缸制造有限公司 | Fork oil circuit distribution speed governing integrated device |
-
2008
- 2008-12-23 CN CNU2008202381667U patent/CN201314307Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966637A (en) * | 2012-11-19 | 2013-03-13 | 党金行 | Intermittent hydraulic system |
| CN110745742A (en) * | 2019-09-16 | 2020-02-04 | 蚌埠市巨强机械液压油缸制造有限公司 | Bidirectional feeding and reversing and speed regulating method for pallet fork |
| CN110745741A (en) * | 2019-09-16 | 2020-02-04 | 蚌埠市巨强机械液压油缸制造有限公司 | Fork oil circuit distribution speed governing integrated device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151105 Address after: 211100 Jiangning Economic Development Zone, Jiangsu Province, general Avenue, No. 155, No. Patentee after: Nanjing Estun Automation Co., Ltd. Address before: Shengtai Industrial Park No. 88 SIEMENS Road, Jiangning Development Zone in Nanjing City, Jiangsu province 211100 Patentee before: Aierfa Electrohydraulic Technology Co., Ltd., Nanjing City |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090923 |
|
| CX01 | Expiry of patent term |