CN2495743Y - Steel bar joining machine with pressing means - Google Patents
Steel bar joining machine with pressing means Download PDFInfo
- Publication number
- CN2495743Y CN2495743Y CN 01260821 CN01260821U CN2495743Y CN 2495743 Y CN2495743 Y CN 2495743Y CN 01260821 CN01260821 CN 01260821 CN 01260821 U CN01260821 U CN 01260821U CN 2495743 Y CN2495743 Y CN 2495743Y
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- Prior art keywords
- valve
- oil
- oil pocket
- booster
- steel bar
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- Expired - Fee Related
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Abstract
The utility model relates to a steel bar junctor with the pressurizer, which consists of a pumping station, a reversing valve,extreme pressure hoses and extrusion heads. The utility model is mainly characterized in that the pumping station is equipped with an electrical oil pump (15) and a pressurizer (18). The pressurizer (18) is equipped with the low-pressure oil cavity C and pressurization oil cavity. The outside of the pumping station case (13) is equipped with the reversing valve (9). The reversing valve (9) consists of Y three-position four-way valve (22) and unloading control valve. One end of the extreme pressure hose (5) and (6) is connected with the extrusion head and the other end, with the reversing valve (9). The operating handle is arranged on the reversing valve (9). The utility model is used in combination with various valves and extrusion heads by means of the pressurizer (18), with super high extrusion connection used for the connection steel jacket at the ends of two steel bars. The steel bar junctor with the pressurizer designed according to the utility model theme will certainly bring the steel benders of building industry the active use effect.
Description
Technical field: the utility model relates to a kind of invention of steel bar connecting machine, particularly be a kind of steel bar connecting machine with supercharging device.
Background technology; In the prior art, overlap joint, welding and mechanical connection are adopted in the connection of reinforcing bar usually, and this kind mechanical connecting device adopts the principle of high voltage control, with the super-pressure plunger is power source, and its pressure only reaches 60MPa, because pressure is not enough, must increase extrusion head oil cylinder area, cause the extrusion head heaviness.And speed of application is slow, and can too much exceed the steel bushing plastic range owing to pressure causes the extruding number of times inadequately, causes the steel bushing phenomenon of rupture.
Summary of the invention: in view of the problem that known technology exists, purpose of the present invention aims to provide a kind of minimizing extruding passage, improves extruding force, can adapt to the plastic range of steel, and simple in structure, easy to use, connects reliable steel bar connecting machine.The utility model is finished by following mode; steel bar connecting machine with supercharging device; be by pumping plant; reversal valve; extreme pressure hose and extrusion head are formed; the frame of described extrusion head becomes U type structure; and be provided with top die, dip mold and double-acting type oil cylinder; described double-acting type oil cylinder is separated into A, B oil pocket by piston; and on A, B oil pocket, be respectively equipped with the oil pocket through hole; described top die is connected with piston rod, and described top die can move along the frame chute, and described dip mold is movably arranged on the frame.Described frame is provided with suspension ring.It is characterized in that being provided with screen filter in the oil box of described pumping plant, gear pump and booster, described oil box is equipped with overflow valve and hydraulic control one-way valve and reversal valve outward, described reversal valve is made up of manual three-position four-way valve of Y type and unloading control valve, described screen filter connects by the end of pipe with gear pump, the other end of described gear pump connects with overflow valve by pipe, described hydraulic control one-way valve is connected with the booster oil circuit, described booster is made up of cylinder body and piston, the piston that its cylinder body is arranged on cylinder interior is separated into low pressure oil pocket and supercharging oil pocket, the two ends of described cylinder body are provided with through hole, described through hole is connected with the oil circuit through hole of reversal valve and extrusion head by extreme pressure hose respectively, and the manual three-position four-way valve of described Y type is respectively equipped with cam-operated handle with the unloading control valve.The utility model utilizes organic cooperation of oil cylinder and each valve and extrusion head, two end reinforced steel sleeves are carried out the super-pressure extruding effectively to be connected, it is little compared with prior art to have volume, the scientific structure compactness, easy to operate, construction is not subjected to environment, weather and site influence, and speed of application is fast, advantage such as safe and reliable according to the designed steel bar connecting machine with supercharging device of the utility model theme, will be brought positive result of use to building trade.
Description of drawings: the utility model has following accompanying drawing:
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is the utility model extrusion head structure partial sectional view;
Fig. 3 is the utility model high-pressure pump station structure schematic diagram;
Fig. 4 is the utility model supercharger structure sectional view;
Specific embodiment: accompanying drawing has been represented structure of the present utility model and embodiment, describe the relevant details and the operating principle of embodiment below more in conjunction with the accompanying drawings in detail, this steel bar connecting machine with supercharging device, its primary structure is by pumping plant 10, reversal valve 9, extreme pressure hose 5,6 and extrusion head are formed, described pumping plant 10 is to be provided with screen filter 14, gear pump 15 and booster 18 in oil box 13, the work of gear pump 15 is to be dragged by motor 12, described fuel tank 13 outer overflow valve 25, the hydraulic control one-way valves 17 and reversal valve 9 of being equipped with.Described reversal valve 9 is made up of manual three-position four-way valve 22 of Y type and unloading control valve 23, and on the valve body of manual three-position four-way valve 22 of Y type and unloading control valve 23, be provided with cam handle 24,26, described screen filter 14 connects by the end of pipe with gear pump 15, described gear pump 15 is a hydraulic power source, is rotated to reach by the gear of motor 12 driven gear pumps to suck and discharge hydraulic oil.The other end of described gear pump 15 connects with overflow valve 25 by pipe, and the range of regulation of described overflow valve 25 is 7MPa-20MPa.Flow is 10L/min, and the oil circuit of described booster 18 is connected with hydraulic control one-way valve 17, and described booster 18 is made up of cylinder body and piston, and described booster 18 is provided with low pressure chamber C and booster cavity D, and the two ends of described booster 18 are provided with through hole 20,21.This through hole is connected with the oil circuit of Y type three-position four-way valve 22 and connector respectively.Described extreme pressure hose 5,6 is the steel wire wind pipe, and two ends are respectively the A type and the K type is withheld joint.A type joint connects the oil pocket through hole of double-acting type oil cylinder 4, and the K type is withheld joint and connected reversal valve 9.Described extrusion head includes U type frame 5 and double-acting type oil cylinder 4, the piston 8 that described double-acting type oil cylinder 4 is arranged in the cylinder body is divided into A, B oil pocket, the oil pocket through hole of described A, B oil pocket is connected with extreme pressure hose 5,6 respectively, described extrusion head is provided with top die 2 and dip mold 1, described top die 2 is connected with piston rod 8, can move along the frame chute, described dip mold 1 is movably arranged on the frame 3.Described frame 3 is provided with suspension ring 7.Described suspension ring 7 not only can satisfy under the various angles works, and is convenient for changing mould.One end of described extreme pressure hose 5,6 is connected with the oil pocket through hole respectively, and the other end is connected with reversal valve 9.The connection activity position of all through holes and piston is equipped with sealing ring.When the utility model is worked, steel sleeve is enclosed within the end of two reinforcing bars, actuating motor 12 then, the arbor driven gear pump 15 of motor rotates, suck hydraulic oil from screen filter 14, discharge through gear pump 15, the overflow valve 25 of flowing through, enter the manual three-position four-way valve 22 of Y type, turn right the handle 26 of Y type three-position four-way valve 22 this moment, hydraulic oil enters hydraulic control one-way valve 17, and enter in the low pressure chamber C of booster 18 from oil circuit through hole 20 simultaneously, compression hydraulic oil and the piston 19 that promotes in the booster 18 promote forward, under the impetus of piston 19, compression hydraulic oil, make hydraulic oil enter the manual three-position four-way valve 22 of Y type from oil circuit through hole 21, enter the B oil pocket of extrusion head then from extreme pressure hose 6, the piston 8 that hydraulic oil promotes in the oil pocket drives patrix 2 propelling fast forward, and the periphery of withstanding steel sleeve, this moment, the reading of pressure meter (not shown) was 12.8MPa, this moment is with in the Y type three-position four-way valve handle 22 times, gauge pressure is not fallen, rotate the handle 24 that is located on the unloading control valve 23 then, make its left-hand rotation, hydraulic oil enters the low pressure chamber C in the booster 18 once more, makes the piston 19 compression hydraulic oil in the booster 18, makes hydraulic oil enter B oil pocket through oil circuit through hole 21 from extreme pressure hose 6 from booster cavity D once more, the pressure of hydraulic oil makes 8 pairs of steel sleeves of piston carry out supercharging at a slow speed, its pressure can increase to 120Mpa, and the stop that puts in place of supercharging is always finished whole extrusion processes.At this moment, two reinforcing bars firmly connect, and then, the handle 26 of the manual three-position four-way valve 22 of operation Y type makes its left-hand rotation, and open hydraulic control one-way valve 17, hydraulic oil enters the A oil pocket by extreme pressure hose 5, promotes piston 8 and drive patrix 2 to retreat, at this moment, hydraulic oil in the oil pocket B through the oil pocket through hole from another high-pressure hose 6, unloading operation valve 23, get back in the oil box 13 of pumping plant 10, so just finished once extruding action, so circulation is until the connection of finishing whole reinforcing bars.
Claims (2)
1, a kind of steel bar connecting machine with supercharging device, be by pumping plant, reversal valve, extreme pressure hose and extrusion head are formed, the frame of described extrusion head becomes U type structure, and be provided with top die (2), dip mold (1) and double-acting type oil cylinder, described double-acting type oil cylinder is separated into A by piston (8), the B oil pocket, and at A, be respectively equipped with the oil pocket through hole on the B oil pocket, described top die (2) is connected with piston rod (8), described top die (2) can move along the frame chute, described dip mold (1) is movably arranged on the frame (3), described frame (3) is provided with suspension ring (7), it is characterized in that being provided with screen filter (14) in the oil box (13) of described pumping plant (10), gear pump (15) and booster (18), be provided with low pressure oil pocket C and supercharging oil pocket D in the described booster (18), outer overflow valve (25) and the reversal valve (9) of being equipped with of described oil box (13), described reversal valve (9) is made up of manual three-position four-way valve of Y type (22) and unloading control valve (23), described screen filter (14) connects by an end of the same gear pump of pipe (15), the other end of described gear pump (15) connects by the same overflow valve of pipe (25), hydraulic control one-way valve (17) is connected with the oil circuit import of described booster (18), described booster (18) is made up of cylinder body and piston (19), the two ends of described cylinder body are provided with through hole (20), (21), described through hole (20), (21) respectively by extreme pressure hose (5), (6) be connected with the oil pocket through hole of the double-acting type oil cylinder of reversal valve (9) and extrusion head.
2, the steel bar connecting machine with supercharging device as claimed in claim 1 is characterized in that manual three-position four-way valve of described Y type (22) and unloading control valve (23) are respectively equipped with operation of cam handle (24), (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01260821 CN2495743Y (en) | 2001-09-13 | 2001-09-13 | Steel bar joining machine with pressing means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01260821 CN2495743Y (en) | 2001-09-13 | 2001-09-13 | Steel bar joining machine with pressing means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2495743Y true CN2495743Y (en) | 2002-06-19 |
Family
ID=33668900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01260821 Expired - Fee Related CN2495743Y (en) | 2001-09-13 | 2001-09-13 | Steel bar joining machine with pressing means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2495743Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435444A (en) * | 2005-05-20 | 2009-05-20 | 株式会社岛津制作所 | Hydraulic device |
| CN108620516A (en) * | 2018-05-03 | 2018-10-09 | 钟国强 | A kind of building bar connection machine |
| CN110886495A (en) * | 2019-12-08 | 2020-03-17 | 中铁二局第一工程有限公司 | Mechanical connecting device for steel bars and using method of mechanical connecting device |
-
2001
- 2001-09-13 CN CN 01260821 patent/CN2495743Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435444A (en) * | 2005-05-20 | 2009-05-20 | 株式会社岛津制作所 | Hydraulic device |
| CN108620516A (en) * | 2018-05-03 | 2018-10-09 | 钟国强 | A kind of building bar connection machine |
| CN110886495A (en) * | 2019-12-08 | 2020-03-17 | 中铁二局第一工程有限公司 | Mechanical connecting device for steel bars and using method of mechanical connecting device |
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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 |