CN2250441Y - Oil pressure compressing tool for distribution engineering - Google Patents
Oil pressure compressing tool for distribution engineering Download PDFInfo
- Publication number
- CN2250441Y CN2250441Y CN 96201839 CN96201839U CN2250441Y CN 2250441 Y CN2250441 Y CN 2250441Y CN 96201839 CN96201839 CN 96201839 CN 96201839 U CN96201839 U CN 96201839U CN 2250441 Y CN2250441 Y CN 2250441Y
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- pressure
- oil
- rail
- pressure rail
- valve rod
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- Expired - Fee Related
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Abstract
The utility model relates to an oil pressure compressing tool for distribution engineering, which saves labour for pressurizing. The utility model is mainly characterized in that one mobile valve rod is accommodated in a low-pressure feed oil pipe, a non-return valve between the low-pressure feed oil pipe and a pressure cylinder chamber is arranged in the mobile valve rod, a push rod is extended out from the tail end of the mobile valve rod, when pressure is pressurized, the pressure in the pressure cylinder chamber pushes the mobile valve rod toward a pressure control valve, when the pressure in the pressure cylinder chamber overruns the pressure set by the pressure control valve, the push rod at the tail end of the mobile valve rod pushes off the pressure control valve.
Description
The utility model relates to a kind of special tool, is specifically related to a kind of improved distribution engineering oil pressure tool of compression.
Distribution engineering mainly is applicable to the oil pressure tool of compression: distribution engineering is built on stilts, underground line, distribution, sleeve pipe, terminal, clamper tube crimping within doors ... Deng construction operation, No. the 181730th, prior art such as tw Taiwan patent announcement " having oily turbidimetric manually operated type oil pressure instrument " and No. 219695 " having the manual hydraulic type instrument of forcing post-equalization mechanism ".
As shown in Figure 8, relevant oil gear and pipeline are set in matrix 60, matrix 60 1 ends are provided with C type opening crimp head 61, lean on a side of matrix 60 that a floating die 611 is housed in this C type opening crimp head 61, side then is equipped with a fixed mould 612 in addition, extend a fixed handle 62 at matrix 60 other ends, above matrix 60 (top shown in the figure) then pivot one pressurized handgrip 63 is housed, as operator repeatedly during clamping pressurized handgrip 63, can floating die 611 be pressed to fixed mould 612 by a boom (not shown), to carry out pressing, then dispose pressure controlled valve in the oil gear in matrix 60 in addition, this pressure controlled valve is set with different force value in the tool of compression of different size, when the operator with floating die 611 and fixed mould 612 clamping mutually, and the continuous application of force and when making oil pressure pressure reach setting value, even the pressure control opening of valves, informing that the operator has reached setting pressure, and finish construction operation.
The oil gear of this type of tool of compression internal configurations and pipeline are as shown in Fig. 9 and Figure 10, be provided with an oil groove 70 at matrix 60 by the fixed handle side, and in matrix 60, be provided with the plunger 71 that to control by pressurized handgrip 63, this plunger 71 includes diameter bigger low voltage section 711 and the less high-voltage section 712 of diameter, in oil groove 70 1 sides with a fuel sucking pipe 72 through two oil sucting valves 721,722, and be connected low pressure rail 73 and high pressure rail 74 respectively, and the end in addition of low pressure rail 73 and high pressure rail 74 is respectively equipped with draining valve 731,741, when plunger 71 pressurized handles 63 move, the hydraulic oil in the oil groove 70 can be sent in the cylinder pressure chamber 80 of matrix 60 other ends through low pressure rail 73 and high pressure rail 74; When the setting value of the pressure Overpressure of a safety valve control valve 75 in the cylinder pressure chamber 80, pressure controlled valve 75 promptly is unlocked, and makes moving no longer exerting pressure in the cylinder pressure chamber 80 of plunger 71, and finishes its construction operation.
The mode of operation of existing this type of tool of compression and control mode are shown in the pipeline configuration schematic diagram of Figure 11～14.As shown in figure 11, oil groove 70 is connected low pressure rail 73 and high pressure rail 74 with fuel sucking pipe 72 through two oil sucting valves 721,722, and the end in addition at low pressure rail 73 and high pressure rail 74 is provided with draining valve 731,741 towards cylinder pressure chamber 80 simultaneously; When plunger 71 is pulled outwardly (as shown in figure 12), two draining valves 731,741 promptly are closed, and the hydraulic oil in the oil groove 70 enters in low pressure rail 73 and the high pressure rail 74 through two oil sucting valves 721,722; And when plunger 71 is inwardly pressed (as shown in Figure 13), two oil sucting valves 721,722 promptly are closed, hydraulic oil in low pressure rail 73 and the high pressure rail 74 is pushed draining valve 731,741 respectively open and is entered in the cylinder pressure chamber 80 and promote piston 81, push in the stroke at plunger 71, the pressure in cylinder pressure chamber 80, low pressure rail 73 and high pressure rail 74 is all identical; Perseveration (promptly heavily covering the step among Figure 12,13) by plunger 71, hydraulic oil in the oil groove 70 constantly is extracted in the cylinder pressure chamber 80, and push floating die to fixed mould, and the workpiece that is located in the C type opening crimp head is compressed by the boom (not shown) that piston 81 promotes; When its power that workpiece is exerted pressure arrives setting value and plunger 71 when still continuing to operate, as shown in Figure 14, the high-voltage section 712 of plunger 71 is promptly pushed draining valve 741 open with the hydraulic oil in the high pressure rail 74 and is sent in the cylinder pressure chamber 80, pressure in cylinder pressure chamber 80 and the high pressure rail 74 has been higher than setting value at this moment, and the low voltage section 711 of plunger 71 offers hydraulic fluid pressure in the low pressure rail 73 when being equivalent to setting value, pressure in the low pressure rail 73 promptly can't be pushed draining valve 731 open, and pressure controlled valve 75 can be opened, inform that by the instantaneous pressure reduction situation of pressurized handgrip the operator has reached setting pressure, and finished the operation of exerting pressure.
As mentioned above, use in the oil pressure tool of compression at existing distribution engineering, when the pressure in the cylinder pressure chamber 80 arrives setting value, the high-voltage section 712 of plunger 71 must be born the pressure greater than setting value, low voltage section 711 then need is born the pressure that is equivalent to setting value, thereby make operation pressurized handgrip that operator must require great effort very much so that suitable strength to be provided, especially to be positioned at the utility pole top or to be positioned at the high voltage power transmission tower top when operating the application of force more difficult as operator.
The utility model in view of the above problems, its purpose is to provide a kind of pressurization labour-saving distribution engineering oil pressure tool of compression.
The utility model provides a kind of distribution engineering oil pressure tool of compression, it is provided with an oil groove at matrix by the fixed handle side, and in matrix, be provided with the plunger that to control by pressurized handgrip, this plunger includes bigger low voltage section of diameter and the less high-voltage section of diameter, in oil groove one side with a fuel sucking pipe through two oil sucting valves, and be connected low pressure rail and high pressure rail respectively, the end in addition of low pressure rail and high pressure rail is respectively equipped with towards the draining valve of cylinder pressure chamber again, when the pressurized handle of plunger moves, hydraulic oil in the oil groove can be sent in the cylinder pressure chamber of other end of matrix through low pressure rail and high pressure rail, be it is characterized in that:
Be connected at the low pressure rail that place, cylinder pressure chamber is ccontaining to be assembled with one and to move valve rod, this moves valve stem end and is provided with the push rod of pushing and pressing on pressure controlled valve, and the low pressure rail draining valve system that leads to the cylinder pressure chamber is assembled in the mobile valve rod simultaneously;
In addition, use in the oil pressure tool of compression at above-mentioned distribution engineering, mobile valve rod is a column, can be extended out a push rod at its end, mobile valve rod central authorities are a central hole, the outer end of this central hole is a containing groove that enlarges, and the draining valve that the low pressure rail leads to the cylinder pressure chamber is assembled in the aforementioned containing groove, and mobile valve stem end then is through to the mobile valve rod outside with two side holes.
Distribution engineering of the present utility model with the oil pressure tool of compression when the setting value of the pressure Overpressure of a safety valve control valve in the cylinder pressure chamber, mobile valve rod can produce displacement in the low pressure rail, and by push rod cracking pressure control valve, and finish construction operation, thereby make operator can save the application of force to pressurized handgrip, need not the application of force and overcome the pressure that produced in the two oil supply pipelines with the cracking pressure control valve, thus more light and handy in use.
Further specify embodiment of the present utility model below in conjunction with accompanying drawing.
Brief Description Of Drawings
Fig. 1 is the oil gear structure sectional view in the utility model matrix.
Fig. 2 is another angular profile of oil gear in the utility model matrix.
Fig. 3 is the amplification profile of mobile valve rod of the present utility model.
Fig. 4～7th, pipeline configuration of the present utility model and serviceability schematic representation.
Fig. 8 is the plan view of existing tool of compression.
Fig. 9 is the oil gear structure sectional view in the existing tool of compression matrix.
Figure 10 is another angular profile of oil gear in the existing tool of compression matrix.
Figure 11～14th, the pipeline configuration and the serviceability schematic representation of existing tool of compression.
Fig. 1 is the oil gear section of structure in the utility model matrix 10, as seen the configuration of the basic structure of oil gear of the present utility model is almost completely identical with prior art structure shown in Figure 9, by another angular profile of oil gear in the utility model matrix of Fig. 2 as seen, it compares its main difference with the structure of prior art shown in Figure 10 be to be that being equipped with one in the low pressure rail 23 of the present utility model moves valve rod 40, and all the other structural arrangements partly are also almost completely identical.As Fig. 1, shown in 2, be provided with an oil groove 20 at matrix 10 by fixed handle (not shown) side, and in matrix 10, be provided with the plunger 21 that to control by pressurized handgrip, this plunger 21 includes diameter bigger low voltage section 211 and the less high-voltage section 212 of diameter, in oil groove 20 1 sides with a fuel sucking pipe 22 through two oil sucting valves 221,222, and be connected low pressure rail 23 and high pressure rail 24 respectively, the end in addition of low pressure rail 23 and high pressure rail 24 is respectively equipped with draining valve 231 again, 241, when plunger 21 pressurized handles move, the hydraulic oil in the oil groove 20 can be sent in the cylinder pressure chamber 30 of matrix 10 other ends through low pressure rail 23 and high pressure rail 24; When the setting value of the pressure Overpressure of a safety valve control valve 25 in the cylinder pressure chamber 30, pressure controlled valve 25 promptly is unlocked, and makes the moving no longer exerting pressure in the cylinder pressure chamber 30 of plunger 21, thereby finishes its construction operation.
Fig. 3 is the amplification profile of mobile valve rod 40 of the present utility model.As shown in the figure, mobile valve rod 40 is a column, extends a push rod 41 at its end, and mobile valve rod 40 central authorities are a central hole 42, and the outer end of this central hole 42 is a containing groove 43 that enlarges, and end then is through to mobile valve rod 40 outsides with two side holes 44.
Fig. 4～7 are pipeline configuration of the present utility model and mode of operation schematic representation.As shown in Figure 4, oil groove 20 is connected low pressure rail 23 and high pressure rail 24 with fuel sucking pipe 22 through two oil sucting valves 221,222, end in addition at low pressure rail 23 and high pressure rail 24 is respectively equipped with draining valve 231,241 towards cylinder pressure chamber 30 simultaneously, just be connected at the low pressure rail that 30 places, cylinder pressure chamber are ccontaining to be assembled with one and to move valve rod 40, draining valve 231 is to be assembled in the containing groove 43 of mobile valve rod 40 simultaneously;
When plunger 21 when shape is pulled outwardly as shown in Figure 5, two draining valves 231,241 promptly are closed, and the hydraulic oil in the oil groove 20 enters in low pressure rail 23 and the high pressure rail 24 through two oil sucting valves 221,222,
When plunger 21 when shape is inwardly pressed as shown in Figure 6, two oil sucting valves 221,222 promptly are closed, hydraulic oil in low pressure rail 23 and the high pressure rail 24 is pushed draining valve 231,241 respectively open and is entered cylinder pressure chamber 30 to promote piston 31, push in the stroke at this plunger 21, the pressure in cylinder pressure chamber 30, low pressure rail 23 and high pressure rail 24 is all identical;
Plunger 21 perseverations (promptly repeating the step among Fig. 5,6), hydraulic oil in the oil groove 20 constantly is extracted in the cylinder pressure chamber 30, and push floating die to fixed mould, and the workpiece that is located in the C type opening crimp head is compressed by the boom (not shown) that piston 31 promotes;
The power of workpiece being executed when floating die arrives setting value and plunger 21 when still continuing to operate, promptly as shown in Figure 7, the high-voltage section 21 2 of plunger 21 is promptly pushed draining valve 241 open with the hydraulic oil in the high pressure rail 24, and the hydraulic oil in the high pressure rail 24 is sent in the cylinder pressure chamber 30, pressure in cylinder pressure chamber 30 and the high pressure rail 24 has reached setting value at this moment, mobile valve rod 40 promptly was subjected to the pressure in the cylinder pressure chamber 30 and shifted to pressure controlled valve 25 this moment, and pressure controlled valve 25 is pushed open by push rod 41, this moment low pressure rail 23 by pressure controlled valve 25 and oil groove 20 conductings, and the low voltage section 211 that makes plunger 21 is not born any pressure fully, and inform that by the instantaneous pressure reduction situation of pressurized handgrip the operator has reached setting pressure, and finish the operation of exerting pressure.
The utility model is by being provided with mobile valve rod 40, can be when the pressure in the cylinder pressure chamber 30 arrives the setting value of pressure controlled valve 25, push rod 41 by mobile valve rod 40 is opened pressure controlled valve 25, and after pressure controlled valve 25 is opened, promptly the setting value that is higher than pressure controlled valve 25 because of the pressure in the cylinder pressure chamber 30 makes the push rod 41 of mobile valve rod 40 continue to push against on pressure controlled valve 25, make pressure controlled valve 25 be held open situation, thereby make the operator more laborsaving when utilization.
Claims (2)
1. distribution engineering oil pressure tool of compression, it is provided with an oil groove at matrix by the fixed handle side, and in matrix, be provided with the plunger that to control by pressurized handgrip, this plunger includes bigger low voltage section of diameter and the less high-voltage section of diameter, in oil groove one side with a fuel sucking pipe through two oil sucting valves, and be connected low pressure rail and high pressure rail respectively, the end in addition of low pressure rail and high pressure rail is respectively equipped with towards the draining valve of cylinder pressure chamber again, when the pressurized handle of plunger moves, hydraulic oil in the oil groove can be sent in the cylinder pressure chamber of other end of matrix through low pressure rail and high pressure rail, be it is characterized in that:
Be connected at the low pressure rail that place, cylinder pressure chamber is ccontaining to be assembled with one and to move valve rod, this moves valve stem end and is provided with the push rod of pushing and pressing on pressure controlled valve, and the low pressure rail draining valve system that leads to the cylinder pressure chamber is assembled in the mobile valve rod simultaneously.
2. distribution engineering oil pressure tool of compression according to claim 1, it is characterized in that: wherein mobile valve rod is a column, extend a push rod at its end, mobile valve rod central authorities are a central hole, the outer end of this central hole is a containing groove that enlarges, the draining valve that the low pressure rail leads to the cylinder pressure chamber is assembled in the aforementioned containing groove, and mobile valve stem end then is through to the mobile valve rod outside with two side holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96201839 CN2250441Y (en) | 1996-01-22 | 1996-01-22 | Oil pressure compressing tool for distribution engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96201839 CN2250441Y (en) | 1996-01-22 | 1996-01-22 | Oil pressure compressing tool for distribution engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2250441Y true CN2250441Y (en) | 1997-03-26 |
Family
ID=33888003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96201839 Expired - Fee Related CN2250441Y (en) | 1996-01-22 | 1996-01-22 | Oil pressure compressing tool for distribution engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2250441Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11759937B1 (en) | 2022-08-31 | 2023-09-19 | Kudos Mechanical Co., Ltd. | Automatic oil return structure for piston pump |
-
1996
- 1996-01-22 CN CN 96201839 patent/CN2250441Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11759937B1 (en) | 2022-08-31 | 2023-09-19 | Kudos Mechanical Co., Ltd. | Automatic oil return structure for piston pump |
| TWI820886B (en) * | 2022-08-31 | 2023-11-01 | 科頡工業股份有限公司 | Automatic oil return structure for a piston pump |
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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 |