CN200998758Y - Volume ratio control hydraulic system for hydraulic reinforced bar bending hoop machine - Google Patents
Volume ratio control hydraulic system for hydraulic reinforced bar bending hoop machine Download PDFInfo
- Publication number
- CN200998758Y CN200998758Y CNU2007200480220U CN200720048022U CN200998758Y CN 200998758 Y CN200998758 Y CN 200998758Y CN U2007200480220 U CNU2007200480220 U CN U2007200480220U CN 200720048022 U CN200720048022 U CN 200720048022U CN 200998758 Y CN200998758 Y CN 200998758Y
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Abstract
The utility model relates to a horizontal reinforcing bars straighten cutter for building construction, the structure of which is to connect with a straightening drum, an electric motor and a controller on a rack. The outside of straightening drum outlet is provided with the meter instrument and hydraulic cutting knife, the hydraulic cutting knife is connected with the oil pump by the oil circuit, the oil pump and electric motor is connected with a set of drive gear together with straightening drum, the electromagnetic valve is installed on the oil circuit, which is connected with the controller, and the control switch and counter are installed on the hood connected with rack. This utility model has the advantages of strong stability, simplified structure, low weight, small vibration, low noise, reliable working, safe usage, convenient operation, easy maintenance, high automatic degree and non-building-up of concrete base plate.
Description
Technical field
The utility model relates to hydraulic reinforcing-steel hoop bending machine, the volume proportionally controlled hydraulic system that particularly a kind of hydraulic reinforcing-steel hoop bending machine is used.
Background technology
Existing a kind of hydraulic reinforcing-steel hoop bending machine is made up of bending mechanism 1, stopping means 2, positioner 7, frame 8, hydraulic system 6, rotating disk 3, adjustment cover 4, locating shaft 5 etc.As shown in Figure 1, the hydraulic system of this hydraulic reinforcing-steel hoop bending machine is made up of hydraulic pump, hydraulic jack, control valve group etc., foot-operated, mechanical linkage assembly, control valve group have been adopted, the flexible control mode that drives the rotating disk rotating of control hydraulic jack has adopted valve control unloading way under holding state.This hydraulic system structure complexity, production cost height, noise are big, energy consumption is also big.
Summary of the invention
The volume proportionally controlled hydraulic system that provides a kind of hydraulic reinforcing-steel hoop bending machine to use is provided the purpose of this utility model, it can improve hydraulic reinforcing-steel hoop bending machine efficient, save energy, make things convenient for control, simplified structure, reduce cost, also easy to installation and maintenance.
The technical solution that the utility model proposes is such: the volume proportionally controlled hydraulic system that a kind of hydraulic reinforcing-steel hoop bending machine is used, the frame, bending mechanism and the hydraulic system that comprise hoop bender, described hydraulic system adopts the hydraulic system of volume proportion control and band off-load oil cylinder, and this hydraulic system comprises fuel tank 11, hydraulic oil pump group 12, foot pump 13, travel switch valve 14, band off-load oil cylinder 15, hydraulicchange-over valve 16, overflow valve 17, fluid pressure line 18, thick oil filter 19, air filter 20, smart oil filter 21; Hydraulic oil pump group 12 inputs are connected by oil pipe 18 and thick oil filter 19 and fuel tank 11 interior hydraulic oil, its output is connected with hydraulicchange-over valve 16 input P by oil pipe 18, the C chamber of band off-load oil cylinder 15 is connected with B with the intermediate ends A of hydraulicchange-over valve 16 respectively by oil pipe 18 with the E chamber, the clutch end of band off-load oil cylinder 15 and the tooth bar 1-2 of bending mechanism 1, gear 1-1 is connected, hydraulicchange-over valve 16 oil revolving end T are connected with fuel tank 11 with smart oil filter 21 by oil pipe 18, foot pump 13 inputs are connected with the output of travel switch valve 14 and the hydraulic oil in the fuel tank 11 by oil pipe 18, and foot pump 13 outputs are connected by the input of oil pipe 18 with hydraulicchange-over valve 16 control end K chambeies and travel switch valve 14; Band off-load oil cylinder 15 is installed on the bending mechanism 1, and travel switch valve 14 cooperates installation with rotating disk 3, on frame 8.
Described band off-load oil cylinder 15 is made up of spring 15-1,15-6, steel ball 15-2,15-5, plunger 15-3, push rod 15-4, cylinder body 15-7, oil circuit in this band off-load oil cylinder 15 between C chamber and the E chamber is provided with the 1st stop valve of being made up of steel ball 15-2, spring 15-1 and the 2nd stop valve of being made up of steel ball 15-5, spring 15-6, is provided with push rod 15-4 between steel ball 15-5 and corresponding cylinder body 15-7.Be connected to overflow valve 17 between hydraulicchange-over valve 16 input P and the oil revolving end T.
Compared with prior art, the utlity model has following beneficial effect:
(1) hydraulic system of existing hydraulic reinforcing-steel hoop bending machine adopts foot-operated, mechanical linkage assembly, control valve group, the flexible control mode that drives the rotating disk rotating of control hydraulic jack, and its complex structure, noise are big, the cost height.The utility model adopts the working method of enclosed volume proportionally controlled hydraulic system, has simplified mechanical linkage, has reduced noise, has reduced cost, has improved technical performance.
(2) the oil cylinder two ends oil pocket of the hydraulic system of existing hydraulic reinforcing-steel hoop bending machine is obstructed, by the reversal valve or the unloader oil return of system, the utility model adopted band off-load cylinder structure, when oil cylinder is worked after oil cylinder work put in place, oil cylinder two ends oil pocket is obstructed, put when oil cylinder resets that the two ends oil pocket is conducting when not working in place, thereby simplified system architecture, reduced system loss, save energy, reduced cost, it is convenient to handle control, can realize multi-functional control.
The utility model is mainly used in the hydraulic reinforcing-steel hoop bending machine, also goes for other hydraulic systems.
Description of drawings
Fig. 1 is existing a kind of hydraulic reinforcing-steel hoop bending machine structure diagram.
Fig. 2 is the volume proportionally controlled hydraulic system schematic diagram that the hydraulic reinforcing-steel hoop bending machine of an embodiment of the utility model is used.
The specific embodiment
By following embodiment the utility model is further elaborated.
Referring to shown in Figure 2, the volume proportion control that a kind of hydraulic reinforcing-steel hoop bending machine is used (no connecting rod control), band off-load oil cylinder hydraulic system are made up of fuel tank 11, hydraulic oil pump group 12, foot pump 13, travel switch valve 14, band off-load oil cylinder 15, hydraulicchange-over valve 16, overflow valve 17, fluid pressure line 18, thick oil filter 19, air filter 20, smart oil filter 21, as shown in Figure 2.Hydraulic oil pump group 12, air filter 20, hydraulicchange-over valve 16 are installed on the fuel tank 11 with overflow valve 17 stacks, thick oil filter 19, smart oil filter 21 are installed in the fuel tank 11, band off-load oil cylinder 15 is installed on the bending mechanism 1 of hoop bender, foot pump 13 is installed on the frame 8 of hoop bender, and each Hydraulic Elements is connected with each other by oil pipe 18.
The operation principle and the process of volume proportion control (no connecting rod control), band off-load oil cylinder hydraulic system are such: utilize the enclosed volume hydraulic oil that changes foot pump 13, the direction of motion of control hydraulicchange-over valve 16, it is reciprocating to promote oil cylinder 15, the rotating disk 3 that drives hydraulic reinforcing-steel hoop bending machine rotates, and makes bar bending.Step on foot pump 13, compression foot pump 13 springs, foot pump 13 working chamber volumes reduce, and hydraulic oil enters the K chamber of hydraulicchange-over valve 16 through oil pipe 18, K chamber volume increases, valve core moves right, the spring of compression hydraulicchange-over valve 16, and the A mouth of hydraulicchange-over valve 16 is fuel-displaced, the oil return of B mouth, hydraulic oil enters the C chamber of being with off-load oil cylinder 15 through oil pipe 18, promotes tooth bar 1-2, driven gear 1-1 and rotating disk 3 rotations, moment reinforcement.The steel ball 15-2 of off-load this moment oil cylinder 15, steel ball 15-5 is obstructed, when rotating disk 3 turns to the bar bending set angle and runs into travel switch valve 14, just open travel switch valve 14, the off-load of control oil circuit, under the spring force effect of hydraulicchange-over valve 16, valve core is to left movement, control oil by travel switch valve 14 through oil pipe 18 oil sump tanks, hydraulicchange-over valve 16 epicoele volume reducing, hydraulicchange-over valve 16 valve cores reset, the E chamber oil-feed of band off-load oil cylinder, the oil return of C chamber, oil cylinder 15 shrinks, pulling tooth bar 1-2 driven gear 1-1, rotating disk 3 counter-rotatings, when rotating disk 3 counter-rotatings put in place, the push rod 15-4 of band off-load oil cylinder 15 opens steel ball 15-5, the C of oil cylinder 15, the conducting of E chamber, hydraulic oil by the E chamber of oil cylinder 15 through steel ball 15-5, steel ball 15-2 flows back to fuel tank 11 from oil cylinder C chamber, system unloaded is finished a work period.
Claims (3)
1, the volume proportionally controlled hydraulic system used of a kind of hydraulic reinforcing-steel hoop bending machine, the frame, bending mechanism and the hydraulic system that comprise hoop bender, it is characterized in that: described hydraulic system adopts the hydraulic system of volume proportion control and band off-load oil cylinder, and this hydraulic system comprises fuel tank (11), hydraulic oil pump group (12), foot pump (13), travel switch valve (14), band off-load oil cylinder (15), hydraulicchange-over valve (16), overflow valve (17), fluid pressure line (18), thick oil filter (19), air filter (20), smart oil filter (21); Hydraulic oil pump group (12) input is connected with the interior hydraulic oil of thick oil filter (19) and fuel tank (11) by oil pipe (18), its output is connected with hydraulicchange-over valve (16) input P by oil pipe (18), the C chamber of band off-load oil cylinder (15) is connected with B with the intermediate ends A of hydraulicchange-over valve (16) respectively by oil pipe (18) with the E chamber, the clutch end of band off-load oil cylinder (15) and the tooth bar (1-2) of bending mechanism (1), gear (1-1) is connected, hydraulicchange-over valve (16) oil revolving end T is connected with fuel tank (11) with smart oil filter (21) by oil pipe (18), described foot pump (13) input is connected with the output of travel switch valve (14) and the hydraulic oil in the fuel tank (11) by oil pipe (18), and foot pump (13) output is connected by the input of oil pipe (18) with hydraulicchange-over valve (16) control end K chamber and travel switch valve (14); Described band off-load oil cylinder (15) is installed on the bending mechanism (1), and described travel switch valve (14) cooperates installation with rotating disk (3).
2, volume proportionally controlled hydraulic system according to claim 1, it is characterized in that: described band off-load oil cylinder (15) is made up of spring (15-1,15-6), steel ball (15-2,15-5), plunger (15-3), push rod (15-4), cylinder body (15-7), oil circuit between this band off-load oil cylinder (15) interior C chamber and the E chamber is provided with the 1st stop valve of being made up of steel ball (15-2), spring (15-1) and the 2nd stop valve of being made up of steel ball (15-5), spring (15-6), is provided with push rod (15-4) between steel ball (15-5) and corresponding cylinder body (15-7).
3, volume proportionally controlled hydraulic system according to claim 1 is characterized in that: be connected to overflow valve (17) between described hydraulicchange-over valve (16) input P and the oil revolving end T.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200480220U CN200998758Y (en) | 2007-01-26 | 2007-01-26 | Volume ratio control hydraulic system for hydraulic reinforced bar bending hoop machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200480220U CN200998758Y (en) | 2007-01-26 | 2007-01-26 | Volume ratio control hydraulic system for hydraulic reinforced bar bending hoop machine |
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| Publication Number | Publication Date |
|---|---|
| CN200998758Y true CN200998758Y (en) | 2008-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200480220U Expired - Fee Related CN200998758Y (en) | 2007-01-26 | 2007-01-26 | Volume ratio control hydraulic system for hydraulic reinforced bar bending hoop machine |
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| CN (1) | CN200998758Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886647A (en) * | 2010-06-20 | 2010-11-17 | 无锡市海航电液伺服系统有限公司 | Servo water pressure control device |
| CN104912864A (en) * | 2015-06-04 | 2015-09-16 | 许昌市恒基机械有限公司 | Pressure-adjustable reversing valve and steel bar bender |
| CN107152426A (en) * | 2017-05-19 | 2017-09-12 | 青神格林维尔流体动力控制技术有限公司 | A kind of angle-bender hydraulic pressure plug-in integrated package |
| CN107939769A (en) * | 2017-11-24 | 2018-04-20 | 冯广建 | The curved pin telescopic control device of double-station oil circuit tandem |
| CN108561347A (en) * | 2018-05-31 | 2018-09-21 | 武汉船用机械有限责任公司 | A kind of oil cylinder hydraulic control system |
-
2007
- 2007-01-26 CN CNU2007200480220U patent/CN200998758Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886647A (en) * | 2010-06-20 | 2010-11-17 | 无锡市海航电液伺服系统有限公司 | Servo water pressure control device |
| CN101886647B (en) * | 2010-06-20 | 2012-07-04 | 无锡市海航电液伺服系统股份有限公司 | Servo water pressure control device |
| CN104912864A (en) * | 2015-06-04 | 2015-09-16 | 许昌市恒基机械有限公司 | Pressure-adjustable reversing valve and steel bar bender |
| CN107152426A (en) * | 2017-05-19 | 2017-09-12 | 青神格林维尔流体动力控制技术有限公司 | A kind of angle-bender hydraulic pressure plug-in integrated package |
| CN107939769A (en) * | 2017-11-24 | 2018-04-20 | 冯广建 | The curved pin telescopic control device of double-station oil circuit tandem |
| CN108561347A (en) * | 2018-05-31 | 2018-09-21 | 武汉船用机械有限责任公司 | A kind of oil cylinder hydraulic control system |
| CN108561347B (en) * | 2018-05-31 | 2019-12-17 | 武汉船用机械有限责任公司 | Hydraulic control system for oil cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080102 Termination date: 20140126 |