CN202701482U - Hydraulic scissor - Google Patents
Hydraulic scissor Download PDFInfo
- Publication number
- CN202701482U CN202701482U CN 201220103282 CN201220103282U CN202701482U CN 202701482 U CN202701482 U CN 202701482U CN 201220103282 CN201220103282 CN 201220103282 CN 201220103282 U CN201220103282 U CN 201220103282U CN 202701482 U CN202701482 U CN 202701482U
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- cutting edge
- hydraulic
- hydraulic cylinder
- fuel tank
- scissor
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Abstract
The utility model discloses a hydraulic scissor, which relates to the technical field of hand cutting tools, and comprises a scissor blade, a scissor blade driving mechanism, a fuel tank, a non-return valve, a power mechanism and a safety valve. The scissor blade driving mechanism is respectively connected to the scissor blade, the fuel tank and the power mechanism. The power mechanism is connected to the fuel tank through the non-return valve. The safety valve is disposed between the power mechanism and the fuel tank. The hydraulic scissor is advantageous in that the structure is simple and carrying is convenient; when metal products with quite large intensity are sheared, hydraulic oil will directly flow back to the fuel tank through the safety valve, protecting the hydraulic scissor; two cutter bodies forming the scissor blade are respectively driven by two hydraulic cylinders, ensuring operability of the hydraulic scissor; hydraulic fluctuation can be prevented through a spring, and shearing can be stabilized, and labor intensity can be reduced; the hydraulic scissor can be widely applied in cutting of sheet materials, wire rods and others, especially in high-altitude work and outdoor work and situations where space is limited and no electric or large-scale cutting tools can be used; with the adoption of hydraulic drive, the problem of inconvenience of power supply can be resolved.
Description
Technical field
The utility model relates to the hand cutting tool technical field, relates in particular to a kind of class instrument of cutting of fluid pressure type belt cutter sword.
Background technology
At present in the steel industry production operation, a series of unforeseeable things often appear, as sheet material line sheet material pile up, the section wire section bar is piled up, work-yard arrangement, repair and maintenance convenient and swift etc.At present, there is following defective in actual applications in the disclosed hydraulic shear of Chinese patent of the patent No. 96224047.8 that adopts:
1. the hydraulic shear oil circuit control of available technology adopting is complicated.
2. the hydraulic shear of available technology adopting is when the excessive hard goods of shear strength, and the unprotect measure can not be protected the safety of hydraulic shear.
3. only movable cutting edge has Driven by Hydraulic Cylinder, in case movable cutting edge is stuck, just can't carry out shearing work.
4. the hydraulic pressure fluctuation is large, and shear history is unstable.
The utility model content
Technical problem to be solved in the utility model provides a kind of hydraulic shear; it has oil circuit control only needs a check valve and a safety valve; so that simple in structure, volume is little, be easy to carry; and when the excessive hard goods of shear strength; hydraulic oil directly flows back to fuel tank by safety valve, thereby hydraulic shear is realized the characteristics of protection.
For solving the problems of the technologies described above, the utility model provides a kind of hydraulic shear, comprising: cutting edge, cutting edge driving mechanism, fuel tank, check valve, actuating unit, safety valve;
Described cutting edge driving mechanism is connected respectively with described cutting edge, fuel tank, actuating unit; Actuating unit is connected with fuel tank by described check valve; Described safety valve is arranged between actuating unit and the fuel tank.
Above-mentioned foundation structure is carried out improved technical scheme is, described cutting edge driving mechanism comprises: the first cutting edge drives hydraulic cylinder, the second cutting edge drives hydraulic cylinder; Described cutting edge comprises: the first cutter hub, the second cutter hub;
Described the first cutter hub drives hydraulic cylinder with described the first cutting edge and is connected, and described the second cutter hub drives hydraulic cylinder with described the second cutting edge and is connected;
The first cutting edge drives the hydraulic cylinder rod chamber, the second cutting edge drives the hydraulic cylinder rod chamber and is communicated with described fuel tank; The first cutting edge drives the hydraulic cylinder rodless cavity, the second cutting edge drives the hydraulic cylinder rodless cavity and connects described actuating unit.
Such scheme is carried out preferred technical scheme is, described actuating unit is power hydraulic cylinder; Described the first cutting edge drives the hydraulic cylinder rodless cavity, the second cutting edge drives hydraulic cylinder rodless cavity, safety valve, check valve, all connects power hydraulic cylinder by described power hydraulic cylinder rodless cavity.
The technical scheme that such scheme is further improved is also to comprise: spring; The two ends of described spring connect respectively described the first cutter hub tail end, the second cutter hub tail end.
The beneficial effects of the utility model are:
1. hydraulic shear provided by the utility model, it is simple in structure, oil circuit control only needs a check valve and a safety valve, thereby so that overall volume is little, lightweight, easy to carry, solved complicated, large, heavier, the not portative problem of volume of hydraulic shear oil circuit control of available technology adopting.
2. the safety valve of the utility model by setting up between actuating unit and fuel tank is so that when the excessive hard goods of shear strength, hydraulic oil directly flows back to fuel tank by safety valve, thereby hydraulic shear is realized protection.
3. the hydraulic shear that provides of the utility model, two cutter hubs that form cutting edge are driven by two different hydraulic cylinders respectively, even certain cutting edge is stuck, but still operation of another cutting edge, the hydraulic shear that has solved available technology adopting in a single day movable cutting edge is stuck, and just can't carry out the problem of shearing work.
4. the end at two cutter hubs supports by spring, can effectively prevent the hydraulic pressure fluctuation, the steady shear operation; Help simultaneously cutting edge to open, prepare next time shearing work, reduced labour intensity.
But the cutting implement of light and fast operation to reduce labour intensity, shortens repairing, repair time.
5. the utility model hydraulic shear can amplify each mechanism's ratio according to the real work requirement, satisfies the shearing work of various occasions.
Hydraulic shear provided by the utility model, it is simple in structure, easy to carry; When the excessive hard goods of shear strength, hydraulic oil directly flows back to fuel tank by safety valve, and hydraulic shear is realized protection; Respectively two cutter hubs that form cutting edge are driven by two hydraulic cylinders, guaranteed operability of the present utility model; Prevent the hydraulic pressure fluctuation by spring, the steady shear operation has reduced labour intensity, and is practical.Can be widely used in the Metal Cutting operations such as sheet material, wire rod, special work high above the ground, field work, site space are limited etc. can't use the occasion of electronic or large-scale cutting tool.Adopt hydraulic-driven, solve the problem of power supply inconvenience.
Description of drawings
Fig. 1 is the utility model embodiment schematic diagram;
Fig. 2 is the utility model embodiment manufacturing effect figure.
Wherein, 1-cutting edge, 1a-the first cutter hub, 1b-the second cutter hub, 2-cutting edge driving mechanism, 2a-the first cutting edge drives hydraulic cylinder, 2b-the second cutting edge drives hydraulic cylinder, 3-fuel tank, 4-safety valve, the 5-check valve, 6-actuating unit, 6a-power hydraulic cylinder, the 6b-rocking bar, the 6c-fixed handle, 7-spring, 8-triple valve piece.
The specific embodiment
For the further the utility model of setting forth is to reach technological means and the effect that predetermined utility model purpose is taked, below in conjunction with accompanying drawing and preferred embodiment, the specific embodiment and operation principle according to the hydraulic shear that the utility model proposes are elaborated.
As shown in Figure 1, the hydraulic shear that provides of the utility model comprises: cutting edge 1, cutting edge driving mechanism 2, fuel tank 3, safety valve 4, check valve 5 and actuating unit 6.Wherein, cutting edge driving mechanism 2 is connected respectively with cutting edge 1, fuel tank 3, actuating unit 6; Check valve 5 is arranged between actuating unit 6 and the fuel tank 3; Safety valve 4 is arranged between actuating unit 6 and the fuel tank 3.The purpose that arranges like this is; simplify the oil circuit control that makes hydraulic shear; make it only need a check valve 5 and a safety valve 4 to get final product; and connect fuel tank 3 and actuating unit 6 by safety valve 4; so that the utility model is when the excessive hard goods of shear strength; hydraulic oil can directly flow back to fuel tank by safety valve 4, thus the protection hydraulic shear.
That shown in Figure 2 is the utility model embodiment manufacturing effect figure.In the present embodiment, cutting edge driving mechanism 2 is hydraulic cylinder, comprising: the first cutting edge drives hydraulic cylinder 2a and the second cutting edge drives hydraulic cylinder 2b.Adopt two cutting edge driving mechanisms to drive respectively two cutter hubs that form cutting edge 1.Cutting edge 1 comprises: the first cutter hub 1a and the second cutter hub 1b.At this moment, the first cutter hub 1a drives hydraulic cylinder 2a with the first cutting edge and is connected, and the second cutter hub 1b drives hydraulic cylinder 2b with the second cutting edge and is connected; The first cutting edge drives hydraulic cylinder 2a rod chamber, the second cutting edge drives hydraulic cylinder 2b rod chamber and all is communicated with fuel tank 3, and the one the second cutting edge driving hydraulic cylinder rod chambers can freely be arranged the imbibition force feed with fuel tank 3 during piston movement; The first cutting edge drives hydraulic cylinder 2a rodless cavity, the second cutting edge driving hydraulic cylinder 2b rodless cavity connects actuating unit 6, and actuating unit 6 reciprocating motions and driving cutting edge driving mechanism 2 are done and be synchronized with the movement, and cutting edge 1 opens or closure thereby drive.For actuating unit 6, preferred, adopt power hydraulic cylinder 6a.Power hydraulic cylinder 6a and first, second cutting edge drive the hydraulic cylinder rodless cavity and mutually arrange oil suction; Power hydraulic cylinder 6a is connected with fuel tank 3 by check valve 5 in addition, is that power hydraulic cylinder 6a rodless cavity replenishes hydraulic oil in case of necessity.
In the present embodiment, set up spring 7 between the first cutter hub 1a and the second cutter hub 1b: the two ends of spring 7 are connected respectively the tail end of the first cutter hub 1a, the tail end of the second cutter hub 1b, and the steady shear operation is conducive to simultaneously operating mechanism 1 and opens.
During work, rocking bar 6b is depressed to fixed handle 6c, because the control of check valve 5, hydraulic oil can only act on the first cutting edge by triple valve 8 and drive hydraulic cylinder 2a, the second cutting edge driving hydraulic cylinder 2b, first, second cutting edge drives hydraulic cylinder rod chamber punching oil, rodless cavity drives cutting edge 1 shearing work to fuel tank 3 oil extractions, and back-moving spring 7 is compressed; When lifting rocking bar 6b, back-moving spring 7 is conducive to cutting edge 1 to be opened, and fuel tank 3 drives hydraulic cylinder rodless cavity and power hydraulic cylinder 6a rodless cavity punching oil to first, second cutting edge, prepares for shear next time.
It should be noted last that, the above specific embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to example the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (4)
1. a hydraulic shear is characterized in that, comprising: cutting edge, cutting edge driving mechanism, fuel tank, check valve, actuating unit, safety valve;
Described cutting edge driving mechanism is connected respectively with described cutting edge, fuel tank, actuating unit; Actuating unit is connected with fuel tank by described check valve; Described safety valve is arranged between actuating unit and the fuel tank.
2. hydraulic shear as claimed in claim 1 is characterized in that, described cutting edge driving mechanism comprises: the first cutting edge drives hydraulic cylinder, the second cutting edge drives hydraulic cylinder; Described cutting edge comprises: the first cutter hub, the second cutter hub;
Described the first cutter hub drives hydraulic cylinder with described the first cutting edge and is connected, and described the second cutter hub drives hydraulic cylinder with described the second cutting edge and is connected;
The first cutting edge drives the hydraulic cylinder rod chamber, the second cutting edge drives the hydraulic cylinder rod chamber and is communicated with described fuel tank; The first cutting edge drives the hydraulic cylinder rodless cavity, the second cutting edge drives the hydraulic cylinder rodless cavity and connects described actuating unit.
3. hydraulic shear as claimed in claim 2 is characterized in that, described actuating unit is power hydraulic cylinder; Described the first cutting edge drives the hydraulic cylinder rodless cavity, the second cutting edge drives hydraulic cylinder rodless cavity, safety valve, check valve, all connects power hydraulic cylinder by described power hydraulic cylinder rodless cavity.
4. hydraulic shear as claimed in claim 2 or claim 3 is characterized in that, also comprises: spring; The two ends of described spring connect respectively described the first cutter hub tail end, the second cutter hub tail end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220103282 CN202701482U (en) | 2012-03-19 | 2012-03-19 | Hydraulic scissor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220103282 CN202701482U (en) | 2012-03-19 | 2012-03-19 | Hydraulic scissor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202701482U true CN202701482U (en) | 2013-01-30 |
Family
ID=47581822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220103282 Expired - Fee Related CN202701482U (en) | 2012-03-19 | 2012-03-19 | Hydraulic scissor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202701482U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109318263A (en) * | 2018-08-10 | 2019-02-12 | 徐广祥 | A kind of hydraulic shear |
-
2012
- 2012-03-19 CN CN 201220103282 patent/CN202701482U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109318263A (en) * | 2018-08-10 | 2019-02-12 | 徐广祥 | A kind of hydraulic shear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20170319 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |