CN2200497Y - Hydraulic bending device of reinforcing bar - Google Patents
Hydraulic bending device of reinforcing bar Download PDFInfo
- Publication number
- CN2200497Y CN2200497Y CN 94242390 CN94242390U CN2200497Y CN 2200497 Y CN2200497 Y CN 2200497Y CN 94242390 CN94242390 CN 94242390 CN 94242390 U CN94242390 U CN 94242390U CN 2200497 Y CN2200497 Y CN 2200497Y
- Authority
- CN
- China
- Prior art keywords
- oil
- piston rod
- reinforcing bar
- bending device
- oil cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model relates to a hydraulic bending device of reinforcing bars. In the prior art, an oil cylinder has complicated structure and large volume. The utility model comprises a rack oil cylinder, an oil passage, a motor oil pump, an oil tank and a workbench, wherein, the inside of a piston rod is provided with the oil channels of a work chamber and a return chamber, wherein, the oil channel of the working chamber is arranged at the center of the piston rod, and the oil channel of the return chamber encircles a central oil tube. An unloading stroke valve is arranged in the oil passage, and a bending disc is provided with contacting blocks which can touch the unloading stroke valve. The utility model is matched with a steel bar cutting device uses a gear oil pump. The utility model has simple structure, low cost, low work pressure, low oil temperature and long service life.
Description
The utility model relates to a kind of hydraulic bending device of the device of processing building materials, particularly reinforcing bar.
In the prior art, the hydraulic bending device of reinforcing bar comprises the fixing combined type rack oil cylinder of plunger rod by the crooked dish of gear control, by the motor pump of oil circuit control tooth bar oil cylinder.Fuel tank and workbench, the high-pressure working chamber of combined type rack oil cylinder separates with the low pressure return cavity, is respectively equipped with fixing plunger.The problem of its existence is an oil cylinder self structure complexity, and volume is big, the cost height.
The utility model has proposed the hydraulic bending device of the simple reinforcing bar of a kind of tooth bar cylinder structure at the deficiencies in the prior art.
Task of the present utility model is to realize like this, the utility model is a kind of hydraulic bending device of reinforcing bar, comprise the fixing tooth bar oil cylinder of piston rod by the crooked dish of gear control, motor pump by oil circuit control tooth bar oil cylinder, fuel tank and workbench, be provided with oil duct in the piston rod of tooth bar oil cylinder, be provided with oil duct in the piston rod in addition for low pressure return cavity turnover oil for high-pressure working chamber turnover oil.In the time of need carrying out bending work, reinforcing bar one end is inserted between the curved post of crooked dish, open high-pressure working chamber oil-feed handle, oil enters high-pressure working chamber by the oil duct in the piston rod, the tooth bar oil cylinder travels forward, and the oil cylinder tooth bar drives crooked dish by travelling gear and rotates; When the tooth bar oil cylinder resets, open low pressure return cavity oil-feed handle, oil enters the low pressure return cavity by the oil duct in the piston rod, and the tooth bar oil cylinder moves backward, and the oil cylinder tooth bar drives crooked dish revolution by travelling gear and resets.
The hydraulic bending device of described reinforcing bar, oil duct for high-pressure working chamber turnover oil in the piston rod preferably is located in the center oil pipe at piston rod center, preferably encircle the column sleeve shape cavity of center oil-pipe external wall in the piston rod for the oil duct of low pressure return cavity turnover oil, make the tooth bar cylinder force even, simple in structure.
The hydraulic bending device of described reinforcing bar, high-pressure working chamber at the tooth bar oil cylinder, off-load stroke valve is housed in the oil circuit of low pressure return cavity, off-load stroke valve feeler lever is located at the periphery of crooked dish, the edge of crooked dish is provided with the contact block that can touch off-load stroke valve feeler lever, and contact block is the contact block that can slide and locate in the groove of crooked disk ring limit portion.The distance that contact block two on the bending dish touches a little is transferred to the location, distance back of finishing the one action stroke, when crooked dish work is finished, contact block touches off-load stroke valve feeler lever makes spool move on to the high pressure unloading position, the pressure oil of high-pressure working chamber is got back to fuel tank and is resetted when finishing, contact block touches off-load stroke valve feeler lever makes spool move on to the low pressure unloaded position, and the pressure oil of low pressure return cavity is got back to fuel tank.
The hydraulic bending device of described reinforcing bar preferably is furnished with the bar cutting device that drives by the oil circuit oil cylinder by with motor pump on the device, the processing of reinforcing bar is used on the dual-purpose machine convenient construction building site.
The hydraulic bending device of described reinforcing bar, the oil pump of device adopt gear oil pump can use oily expanded range, and reduced volume reduces cost, energy savings.
The utility model compared with prior art, and is simple and reasonable, and the low operating pressure of easily manufactured cost is low, and the oil temperature is low, long service life.
Fig. 1 cuts open down the structural representation of facing of local shell plate for the utility model.
Fig. 2 is an oil circuit schematic diagram of the present utility model.
Fig. 3 is the cut-away view of tooth bar oil cylinder of the present utility model.
Fig. 1, Fig. 2, Fig. 3 are an embodiment of the present utility model, the hydraulic bending device of the reinforcing bar among the figure, comprise piston rod 1 by the crooked dish 4 of gear 5 controls, fixing tooth bar oil cylinder 13, motor pump 3 by oil circuit control tooth bar oil cylinder 13, fuel tank 16 and the workbench 2 that is fixed on the frame 14 are provided with the oil duct 21 for high-pressure working chamber turnover oil in the piston rod 19 of tooth bar oil cylinder 13, be provided with the oil duct 18 that passes in and out oil for the low pressure return cavity in the piston rod 19 in addition.Oil duct 21 for high-pressure working chamber turnover oil in the piston rod 19 is located in the center oil pipe 17 at piston rod 19 centers, and the oil duct 18 for low pressure return cavity turnover oil in the piston rod 19 is column sleeve shape cavitys 18 of ring center oil pipe 17 outer walls.In the oil circuit of the high-pressure working chamber of tooth bar oil cylinder 13, low pressure return cavity, 3-position-3-way off-load stroke valve 10 is housed, 3-position-3-way off-load stroke valve feeler lever 9 is located at the periphery of crooked dish 4, the edge of crooked dish 4 is provided with the contact block 8 that can touch 3-position-3-way off-load stroke valve feeler lever 9, and contact block 8 is to coil the contact block 8 that slides and locate in the groove of 4 ring limit portions in bending.Is furnished with the bar cutting device that drives by oil circuit oil cylinder 1 by same motor pump 3 on the device.The oil pump of device adopts gear oil pump.The motor of device adopts Y112-4 type motor, and the oil pump of device adopts G5-10 type gear oil pump.Install the control valve of each oil circuit and concentrate employing ZS-L1OC2YI20 type multiple directional control valve 15.In the time of need carrying out bending work, the electric box 12 in the frame 14 is transferred to duty, again 8 liang of distances of touching a little of contact block on the bending dish 4 are transferred to the location, distance back of finishing the one action stroke.Again reinforcing bar one end is inserted between the newel 7 and curved post 6 of crooked dish 4, movable supporting 11 is withstood the reinforcing bar of back, open high-pressure working chamber oil-feed handle, oil cylinder tooth bar 20 drives crooked dish 4 by travelling gear 5 and rotates, after work is finished, contact block 8 touches 3-position-3-way off-load stroke valve feeler lever 9 makes spool move on to the high pressure unloading position, and the pressure oil of high-pressure working chamber is got back to fuel tank 16.Open low pressure return cavity oil-feed handle, oil cylinder tooth bar 20 drives crooked dish 4 revolutions and resets, and resets and finishes, and contact block 8 touches off-load stroke valve feeler lever 9 makes spool move on to the low pressure unloaded position, and the pressure oil of low pressure return cavity is got back to fuel tank 16.
Claims (5)
1, a kind of hydraulic bending device of reinforcing bar, comprise motor pump (3), fuel tank (16) and the workbench (2) of controlling tooth bar oil cylinder (13) by the fixing tooth bar oil cylinder (13) of the piston rod (19) of gear (5) the crooked dish of control (4), by oil circuit, it is characterized in that being provided with in the piston rod (19) of tooth bar oil cylinder (13) oil duct (21), be provided with oil duct (18) in the piston rod (19) in addition for low pressure return cavity turnover oil for high-pressure working chamber turnover oil.
2, the hydraulic bending device of reinforcing bar according to claim 1, it is characterized in that the oil duct (21) for high-pressure working chamber turnover oil preferably is located in the center oil pipe (17) at piston rod (19) center in the piston rod (19), preferably encircle the column sleeve shape cavity (18) of center oil pipe (17) outer wall in the piston rod (19) for the oil duct (18) of low pressure return cavity turnover oil.
3, the hydraulic bending device of reinforcing bar according to claim 1, it is characterized in that in the oil circuit of high-pressure working chamber, low pressure return cavity off-load stroke valve (10) being housed in tooth bar oil cylinder (13), off-load stroke valve feeler lever (9) is located at the periphery of crooked dish (4), the edge of crooked dish (4) is provided with the contact block (8) that can touch off-load stroke valve (10) feeler lever (9), and contact block (8) is to coil the contact block (8) that slides and locate in the groove of (4) ring limit portion in bending.
4, the hydraulic bending device of reinforcing bar according to claim 1 is characterized in that preferably being furnished with the bar cutting device that is driven by oil circuit oil cylinder (1) by same motor pump (3) on the device.
5, the hydraulic bending device of reinforcing bar according to claim 1 is characterized in that the oil pump of device adopts gear oil pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94242390 CN2200497Y (en) | 1994-08-13 | 1994-08-13 | Hydraulic bending device of reinforcing bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94242390 CN2200497Y (en) | 1994-08-13 | 1994-08-13 | Hydraulic bending device of reinforcing bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2200497Y true CN2200497Y (en) | 1995-06-14 |
Family
ID=33848993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94242390 Expired - Fee Related CN2200497Y (en) | 1994-08-13 | 1994-08-13 | Hydraulic bending device of reinforcing bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2200497Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767168A (en) * | 2010-02-19 | 2010-07-07 | 曲华智 | Bending device on hydraulic hooping machine |
| CN103256275A (en) * | 2013-02-01 | 2013-08-21 | 福建省龙岩盛通液压有限公司 | Quick double-acting hydraulic cylinder |
| CN104132023A (en) * | 2014-07-02 | 2014-11-05 | 中国人民解放军国防科学技术大学 | Controllable variable-section hydraulic cylinder and hydraulic control system and method therefor |
-
1994
- 1994-08-13 CN CN 94242390 patent/CN2200497Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767168A (en) * | 2010-02-19 | 2010-07-07 | 曲华智 | Bending device on hydraulic hooping machine |
| CN103256275A (en) * | 2013-02-01 | 2013-08-21 | 福建省龙岩盛通液压有限公司 | Quick double-acting hydraulic cylinder |
| CN104132023A (en) * | 2014-07-02 | 2014-11-05 | 中国人民解放军国防科学技术大学 | Controllable variable-section hydraulic cylinder and hydraulic control system and method therefor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101767159B (en) | Metal tube flaring molding machine | |
| EP0554507B1 (en) | Fluid actuated, double acting machine for punching, cutting, bending or the like | |
| CN2200497Y (en) | Hydraulic bending device of reinforcing bar | |
| CN110479881B (en) | Special spiral case roll extrusion machine of borduring | |
| CN2200498Y (en) | Hydraulic bending device for reinforcing bar | |
| CN215090207U (en) | Pneumatic double-station lower die | |
| CN2406768Y (en) | Silencer partitioner press | |
| CN217254706U (en) | Clamping device is used in production of hydro-cylinder body | |
| CN212144114U (en) | C-shaped groove heel cutting device | |
| CN213730362U (en) | Engine box body seat ring and guide pipe integrated press-fitting device | |
| CN211135029U (en) | Multifunctional straightening machine | |
| JP2879460B2 (en) | Hydraulic clamp | |
| CN218785104U (en) | Metal furniture pipe bender | |
| CN2437426Y (en) | Gantry-type multipurpose hydraulic plate bending machine | |
| CN201371515Y (en) | Pressure-boost type slate cutting machine | |
| CN215035440U (en) | Processing tool for positioning groove of movement of water meter shell | |
| CN114233700B (en) | Hydraulic control system | |
| CN218946019U (en) | Multi-station pipe bending machine | |
| CN219300480U (en) | High-concentration grease pressure plate device | |
| CN215845060U (en) | Lightning grounding round steel bending quick processing device | |
| CN211518573U (en) | Numerical control machine tool convenient to maintain | |
| CN221833104U (en) | Continuous stamping die of automobile anti-collision beam | |
| CN210936599U (en) | Bending machine mould convenient to use | |
| CN109365573A (en) | A kind of column levelling means of servo type | |
| CN2392623Y (en) | Hand corrugation forcing-out device for metal flexible corrugated pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |