CN204018831U - A kind of hydraulic shear - Google Patents
A kind of hydraulic shear Download PDFInfo
- Publication number
- CN204018831U CN204018831U CN201420404639.1U CN201420404639U CN204018831U CN 204018831 U CN204018831 U CN 204018831U CN 201420404639 U CN201420404639 U CN 201420404639U CN 204018831 U CN204018831 U CN 204018831U
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- China
- Prior art keywords
- cutter hub
- bearing pin
- hydraulic shear
- oil cylinder
- casing
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Abstract
The utility model proposes a kind of hydraulic shear, comprise pivoting support, and be arranged at rotary motor and the base on described pivoting support, described base is for being connected with excavator, described pivoting support bottom is provided with casing, described casing is provided with the first oil cylinder and the second oil cylinder being oppositely arranged, on described the first oil cylinder and the second oil cylinder, be movably set with cutter hub, described cutter hub is also flexibly connected with described casing by connector, on described cutter hub, be fixedly installed polylith blade, on described casing, be also provided with for controlling the speedup valve of described cutter hub speed.The hydraulic shear of this structure, owing to being provided with speedup valve on hydraulic shear, therefore, during Light Condition, hydraulic shear operating rate is very fast; When hydraulic shear bears load, operating rate slows down, and shearing force increases.Therefore, in the utility model, the shear rate of hydraulic shear is faster, and operating efficiency is higher.
Description
Technical field
The utility model relates to disassembles mechanical field, particularly a kind of hydraulic shear.
Background technology
Use at present comparatively widely in hydraulic shear, comprise that two oil cylinder hydraulics cut, be mainly used in the dismounting of steel-structure factory building, and the shearing of abandoned car crossbeam and scrap steel etc.Comparatively speaking, in the market in existing hydraulic shear, that for steel-structure factory building or discarded building, removes is many, and it is relatively less to be specifically designed to the hydraulic shear of shearing of steel scrap, steel profile and abandoned car crossbeam.And, also there is the deficiency of the following aspects.
First, be difficult to meet the demand of processing scrap steel.In the part hydraulic shear using at present, in order to meet the demand of dismantling concrete, hydraulic shear is provided with part blade, but quantity is relatively less, is difficult to meet the demand of processing scrap steel.Even if part hydraulic shear has been installed a fairly large number of blade, but interchangeability between blade is poor, is difficult to realize whole four sides and changes.
Secondly, use cost is high, synchronization accuracy is lower.During the two oil cylinder hydraulics of part that use are at present cut, two oil cylinders often can not be synchronous, relies on the Hydraulic Synchronizing Valve installing additional synchronous, has use cost high, the problem that synchronization accuracy is low.
Again, the contradiction of shearing force and speed cannot solve all the time.During the two oil cylinder hydraulics that use are at present cut, when the shearing force of hydraulic shear is large, operating rate is slow; And operating rate is when fast, shearing force is less, can not meet the processing requirements to steel scrap.
In addition, current hydraulic shear, owing to having adopted welding box body formula structure, intensity is relatively poor, easily distortion, easily sealing-off.
In sum, how to provide a kind of hydraulic shear that can solve one of above-mentioned whole issue or problem, become those skilled in the art to need the problem of solution badly.
Utility model content
Based on the deficiencies in the prior art, problem to be solved in the utility model is the hydraulic shear how one of a kind of energy solution technical problem that existing hydraulic shear exists or problem are provided.
For solving the problems of the technologies described above, the utility model provides a kind of hydraulic shear, comprise pivoting support, and be arranged at rotary motor and the base on described pivoting support, described base is for being connected with excavator, described pivoting support bottom is provided with casing, described casing is provided with the first oil cylinder and the second oil cylinder being oppositely arranged, on described the first oil cylinder and the second oil cylinder, be movably set with cutter hub, described cutter hub is also flexibly connected with described casing by connector, on described cutter hub, be fixedly installed polylith blade, on described casing, be also provided with for controlling the speedup valve of described cutter hub speed.
As the improvement on the one hand of a kind of hydraulic shear of the utility model, on described hydraulic shear, be also provided with the first bearing pin and the 8th bearing pin, one end of described the first oil cylinder is hinged by the first bearing pin and described casing, and one end of described the second oil cylinder is hinged by the 8th bearing pin and described casing.
As the improvement on the one hand of a kind of hydraulic shear of the utility model, on described hydraulic shear, be also provided with the second bearing pin and the 6th bearing pin, the other end of described the first oil cylinder is hinged by cutter hub described in described the second bearing pin, and the other end of described the second oil cylinder is not hinged by cutter described in described the 7th bearing pin.
As the improvement on the one hand of a kind of hydraulic shear of the utility model, on described hydraulic shear, be also provided with the 3rd bearing pin and the 7th bearing pin, described cutter hub comprises the first cutter hub and the second cutter hub, described the first cutter hub is hinged by described the 3rd bearing pin and described casing, and described the second cutter hub is hinged by described the 6th bearing pin and described casing.
As the improvement on the one hand of a kind of hydraulic shear of the utility model, on described hydraulic shear, be also provided with the 4th bearing pin and the 5th bearing pin, between described the first cutter hub and described the second cutter hub, be also provided with synchronising (connecting) rod, one end of described synchronising (connecting) rod is hinged by the 5th bearing pin and described the first cutter hub, and the other end of described synchronising (connecting) rod is hinged by the 4th bearing pin and described the second cutter hub.
As the improvement on the one hand of a kind of hydraulic shear of the utility model, the quantity of described blade is six, on described the first cutter hub and the second cutter hub, is removably fixedly installed respectively three.
As the improvement on the one hand of a kind of hydraulic shear of the utility model, on described casing, be also provided with mount pad, described speedup valve is fixedly installed on described mount pad.
As the improvement on the one hand of a kind of hydraulic shear of the utility model, on described hydraulic shear, be also provided with swivel coupling, described swivel coupling is removably fixedly installed on described base, and described base is removably fixedly connected with described pivoting support.
As the improvement on the one hand of a kind of hydraulic shear of the utility model, on described base, be also provided with the first axle bed and the second axle bed, described the first axle bed is used for being connected with excavator with the second axle bed.
As the improvement on the one hand of a kind of hydraulic shear of the utility model, described rotary motor is removably fixedly installed on described base, is also provided with protective cover on described rotary motor, is also provided with the first cover plate on described protective cover.
The hydraulic shear of said structure, comprise pivoting support, and be arranged at rotary motor and the base on a revolution grandson, and base is for being connected with the dipper of excavator, and pivoting support bottom is provided with casing, casing is provided with the first oil cylinder and the second oil cylinder being oppositely arranged, on the first oil cylinder and the second oil cylinder, be all movably set with cutter hub, cutter hub is flexibly connected with casing by connector, and polylith blade is set on cutter hub, in addition on casing, be also provided with for controlling the speedup valve of cutter hub speed.The hydraulic shear of this structure, owing to being provided with speedup valve on hydraulic shear, therefore, during Light Condition, hydraulic shear operating rate is very fast.When hydraulic shear bears load, operating rate slows down, and shearing force increases.Therefore, compare the hydraulic shear of existing structure, the shear rate of the hydraulic shear of said structure is faster, and operating efficiency is higher.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.
Fig. 1 is the structural representation of a kind of hydraulic shear of the utility model;
Fig. 2 is hydraulic shear other direction structural representation in Fig. 1;
Fig. 3 is the structural representation of the another direction of hydraulic shear in Fig. 1.
In Fig. 1 to Fig. 3, the corresponding relation of Reference numeral is:
1 first axle bed 2 base 3 second axle beds
4 protective cover 5 first cover plate 6 pivoting supports
7 first oil cylinder 8 first cutter hub 9 blades
10 second cutter hub 11 casing 12 second cover plates
13 the 3rd cover plate 14 rotary motor 15 first bearing pins
16 second bearing pin 17 the 3rd bearing pin 18 synchronising (connecting) rods
19 the 4th bearing pin 20 the 5th bearing pin 21 the 6th bearing pins
22 the 7th bearing pin 23 mount pad 24 speedup valves
25 the 8th bearing pin 26 swivel coupling 27 second oil cylinders
The specific embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the utility model can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
Hydraulic shear as shown in Figure 1 to Figure 3, comprises pivoting support 6, and is arranged at rotary motor 14 and base 2 on pivoting support 6, and base 2 is specially revolution mounting seat, and base 2 is for being connected with the dipper of excavator.The bottom of pivoting support 6 is also provided with casing 11, and casing 11 comprises the second cover plate 12 that is positioned at its right side, and the 3rd cover plate 13 that is positioned at its top.The right side of casing 11 is also provided with the first oil cylinder 7, the left side of casing 11 is provided with the second oil cylinder 27, the first oil cylinder 7 and the second oil cylinder 27 are oppositely arranged, on the first oil cylinder 7 and the second oil cylinder 27, activity arranges cutter hub, cutter hub is also flexibly connected with casing 11 by connector, is removably fixedly installed polylith blade 9 on cutter hub.In addition on casing 11, be also provided with for controlling the speedup valve 24 of cutter hub speed.
In technique scheme, the upper end that is also provided with the first bearing pin 15 and the 8th bearing pin 25, the first oil cylinders 7 on hydraulic shear is hinged with casing 11 by the first bearing pin 15, and the first oil cylinder 7 can rotate around the first bearing pin 15.The upper end of the second oil cylinder 27 is hinged with casing 11 by the 8th bearing pin 25, and the second oil cylinder 27 can rotate around the 8th bearing pin 25.In addition, the lower end that is also provided with the second bearing pin 16 and the 6th bearing pin 21, the first oil cylinders 7 on hydraulic shear is hinged with cutter hub by the second bearing pin 16, and the lower end of the second oil cylinder 27 is hinged with cutter hub by the 6th bearing pin 21.
For cutter hub, specifically comprise the first cutter hub 8 and the second cutter hub 10, for convenience of being connected of the first cutter hub 8 and the second cutter hub 10 and casing 11, on hydraulic shear, be also provided with the 3rd bearing pin 17 and the 7th bearing pin 22, the first cutter hub 8 is hinged with casing 11 by the 3rd bearing pin 17, and the second cutter hub 10 is hinged with casing 11 by the 7th bearing pin 22.When the first oil cylinder 7 extends, by the second bearing pin 16, promote the first cutter hub 8 around the 3rd bearing pin 17 rotation clockwise.Equally, when the second oil cylinder 27 extends, by the 6th bearing pin 21, promote the second cutter hub 10 around the 7th counterclockwise rotation of bearing pin 22.When the first oil cylinder 7 and the second oil cylinder 27 extend simultaneously, the first cutter hub 8 and the second cutter hub 10 interlock gradually, realize the shearing to material.When the first oil cylinder 7 shortens, by the second bearing pin 16, pull the first cutter hub 8 around the 3rd counterclockwise rotation of bearing pin 17.When the second oil cylinder 27 shortens, by the 6th bearing pin 21, pull the second cutter hub 10 around the 7th bearing pin 22 rotation clockwise.When the first oil cylinder 7 and the second oil cylinder 27 bounce back simultaneously, the first cutter hub 8 is separated gradually with the second cutter hub 10.
In order to solve the first cutter hub 8 and the second cutter hub 10 interlocks or nonsynchronous problem separately time, on hydraulic shear, be also provided with synchronising (connecting) rod 18, for fixing synchronising (connecting) rod 18, on hydraulic shear, be also provided with the 4th bearing pin 19 and the 5th bearing pin 20, the upper end of synchronising (connecting) rod 18 is hinged by the 5th bearing pin 20 and the first cutter hub 8, and the lower end of synchronising (connecting) rod 18 is hinged by the 4th bearing pin 19 and the second cutter hub 10.
For making cutter hub can shear preferably material, on cutter hub, be also provided with the dismountable blade 9 of polylith, particularly, the quantity of blade 9 is preferably six, on the first cutter hub 8 and the second cutter hub 10, is respectively equipped with three, and the model of six blades 9 is consistent, and can realize exchange.Cutter hub is provided with connecting hole, and is fixedly installed on cutter hub by the connector being arranged in connecting hole, and for realizing quick-detachment, connecting hole and connector are preferably respectively screw and bolt.
In technique scheme, for speedup valve 24 is installed preferably, be also provided with mount pad 23 on casing 11, speedup valve 24 is removably fixedly installed on mount pad 23.It should be noted that, for convenience of dismounting, speedup valve 24 can be secured by bolts on mount pad 23.
Further, on hydraulic shear, be also provided with swivel coupling 26, swivel coupling 26 is removably fixedly installed on base 2, in addition, between base 2 and pivoting support 6, be to be also removably fixedly connected with, specifically as shown in fig. 1, pivoting support 6 is provided with a plurality of bolts, and base 2 and pivoting support 6 are fixed together.
Be connected with excavator for convenience of base 2, on base 2, be also provided with the first axle bed 1 and the second axle bed 3, the first axle beds 1 are consistent with the structure of the second axle bed 3, be specifically as follows one and thicken through hole, or in through hole, increase a bearing.The quantity of the first axle bed 1 and the second axle bed 3 is two, and two the first axle beds 1 are oppositely arranged, and two the second axle beds 3 are oppositely arranged, and the dipper of excavator can be arranged in the first axle bed 1 and the second axle bed 3.
In addition, the rotary motor 14 on hydraulic shear is removably fixedly installed on base 2, is protection rotary motor 14, and rotary motor 14 is provided with protective cover 4, is also provided with the first cover plate 5, the first cover plates 5 and is bolted and is arranged on protective cover 4 on protective cover 4.
The hydraulic shear of said structure, operation principle is as follows:
Hydraulic oil in excavator enters rotary motor 14 by oil pipe, drives rotary motor 14 rotations, and rotary motor 14 drives pivoting support 6 rotations, and pivoting support 6 drives casing 11 rotations of hydraulic shear, thereby drives whole pair of oil cylinder hydraulic to cut rotation.
Simultaneously, hydraulic oil enters swivel coupling 26 by hydraulic oil pipe, through speedup valve 24, arrive respectively the rodless cavity of the first oil cylinder 7 and the second oil cylinder 27, drive the first oil cylinder 7 and the second oil cylinder 27 to stretch out outward, the first oil cylinder 7 and the second oil cylinder 27, round the second bearing pin 16 and the 6th bearing pin 21 rotations, drive the first cutter hub 8, the second cutter hub 10 respectively round the 3rd bearing pin 17 and the 7th bearing pin 22 rotations, thereby drive two oil cylinder hydraulics to cut to close up, carry out shear action.
In addition, excavator hydraulic oil enters swivel coupling 26 by oil pipe, through speedup valve 24, arrive respectively the rod chamber of the first oil cylinder 7 and the second oil cylinder 27, drive the first oil cylinder 7 and the second oil cylinder 27 toward interior contraction, the first oil cylinder 7 and the second oil cylinder 27 are round the second bearing pin 16, the 6th bearing pin 21 rotations, drive the first cutter hub 8, the second cutter hub 10 round the 3rd bearing pin 17, the 7th bearing pin 22 rotations, thereby drive two oil cylinder hydraulics to cut to open, open action.
When the first oil cylinder 7 and the second oil cylinder 27 cause the first oil cylinder 7 asynchronous with the second oil cylinder 27 because of processing, quality of fit and other reason, can be by synchronising (connecting) rod 18, an other oil cylinder is mandatory synchronously, specific works process is as follows:
When the first cutter hub 8 is when asynchronous, the second cutter hub 10 is round the 7th bearing pin 22 rotations, drive up and down two synchronising (connecting) rods 18 fixing with the 4th bearing pin 19 round the second cutter hub 10 rotations, the second cutter hub 10 drives synchronising (connecting) rod 18 round the 5th bearing pin 20 rotations, synchronising (connecting) rod 18 drives the first cutter hub 8 rotations, synchronous by mandatory first cutter hub 8 that makes of synchronising (connecting) rod 18; When the second cutter hub 10 is when asynchronous, the first cutter hub 8 is round the 3rd bearing pin 17 rotations, drive up and down two synchronising (connecting) rods 18 fixing with the 5th bearing pin 20 round the first cutter hub 8 rotations, the first oil cylinder 7 and the second oil cylinder 27 drive synchronising (connecting) rod 18 round the 4th bearing pin 19 rotations, synchronising (connecting) rod 18 drives the second cutter hub 10 rotations, synchronous by mandatory second cutter hub 10 that makes of synchronising (connecting) rod 18
The hydraulic shear of said structure, owing to being provided with speedup valve 24 on hydraulic shear, therefore, during Light Condition, hydraulic shear operating rate is very fast; When hydraulic shear bears load, operating rate slows down, and shearing force increases.Therefore, in general, the shear rate of hydraulic shear is faster, and operating efficiency is higher.Secondly, on the first cutter hub 8 and the second cutter hub 10, multi-disc blade 9 is all set, can meets the demand of processing steel scrap material.Meanwhile, owing to all can exchanging between each blade 9, therefore, effectively improved the service life of blade 9, and reduced use cost.Again, owing to being provided with synchronising (connecting) rod 18 between the first cutter hub 8 and the second cutter hub 10, can guarantee preferably the synchronism between the first cutter hub 8 and the second cutter hub 10, shear precision is higher.Finally, because casing 11 is monoblock type casing, its intensity is higher, is not easy distortion and comes off, longer service life.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a hydraulic shear, comprise pivoting support (6), and be arranged at rotary motor (14) and the base (2) on described pivoting support (6), described base (2) is for being connected with excavator, it is characterized in that, described pivoting support (6) bottom is provided with casing (11), described casing (11) is provided with the first oil cylinder (7) and the second oil cylinder (27) being oppositely arranged, on described the first oil cylinder (7) and the second oil cylinder (27), be movably set with cutter hub, described cutter hub is also flexibly connected with described casing (11) by connector, on described cutter hub, be fixedly installed polylith blade (9), on described casing (11), be also provided with for controlling the speedup valve (24) of described cutter hub speed.
2. hydraulic shear according to claim 1, it is characterized in that, on described hydraulic shear, be also provided with the first bearing pin (15) and the 8th bearing pin (25), one end of described the first oil cylinder (7) is hinged by the first bearing pin (15) and described casing (11), and one end of described the second oil cylinder (27) is hinged by the 8th bearing pin (25) and described casing (11).
3. hydraulic shear according to claim 2, it is characterized in that, on described hydraulic shear, be also provided with the second bearing pin (16) and the 6th bearing pin (21), the other end of described the first oil cylinder (7) is hinged by the described cutter hub of described the second bearing pin (16), and the other end of described the second oil cylinder (27) is hinged by the described cutter hub of described the 6th bearing pin (21).
4. hydraulic shear according to claim 3, it is characterized in that, on described hydraulic shear, be also provided with the 3rd bearing pin (17) and the 7th bearing pin (22), described cutter hub comprises the first cutter hub (8) and the second cutter hub (10), described the first cutter hub (8) is hinged by described the 3rd bearing pin (17) and described casing (11), and described the second cutter hub (10) is hinged by described the 7th bearing pin (22) and described casing (11).
5. hydraulic shear according to claim 4, it is characterized in that, on described hydraulic shear, be also provided with the 4th bearing pin (19) and the 5th bearing pin (20), between described the first cutter hub (8) and described the second cutter hub (10), be also provided with synchronising (connecting) rod (18), one end of described synchronising (connecting) rod (18) is hinged by the 5th bearing pin (20) and described the first cutter hub (8), and the other end of described synchronising (connecting) rod (18) is hinged by the 4th bearing pin (19) and described the second cutter hub (10).
6. hydraulic shear according to claim 5, is characterized in that, the quantity of described blade (9) is six, on described the first cutter hub (8) and the second cutter hub (10), is removably fixedly installed respectively three.
7. according to the hydraulic shear described in any one in claim 1 to 6, it is characterized in that, on described casing (11), be also provided with mount pad (23), described speedup valve (24) is fixedly installed on described mount pad (23).
8. hydraulic shear according to claim 7, it is characterized in that, on described hydraulic shear, be also provided with swivel coupling (26), it is upper that described swivel coupling (26) is removably fixedly installed on described base (2), and described base (2) is removably fixedly connected with described pivoting support (6).
9. hydraulic shear according to claim 8, is characterized in that, is also provided with the first axle bed (1) and the second axle bed (3) on described base (2), described the first axle bed (1) with the second axle bed (3) for being connected with excavator.
10. hydraulic shear according to claim 9, it is characterized in that, described rotary motor (14) is removably fixedly installed on described base (2), on described rotary motor (14), be also provided with protective cover (4), on described protective cover (4), be also provided with the first cover plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420404639.1U CN204018831U (en) | 2014-07-22 | 2014-07-22 | A kind of hydraulic shear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420404639.1U CN204018831U (en) | 2014-07-22 | 2014-07-22 | A kind of hydraulic shear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204018831U true CN204018831U (en) | 2014-12-17 |
Family
ID=52058741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420404639.1U Expired - Fee Related CN204018831U (en) | 2014-07-22 | 2014-07-22 | A kind of hydraulic shear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204018831U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001731A (en) * | 2016-05-27 | 2016-10-12 | 格力电器（芜湖）有限公司 | Thermal insulation pipe cutting device |
| CN107339270A (en) * | 2017-09-05 | 2017-11-10 | 烟台艾迪精密机械股份有限公司 | A kind of hydraulic shear cylinder control system and hydraulic shear |
| CN109680985A (en) * | 2018-12-29 | 2019-04-26 | 中国地质大学（北京） | A kind of full circle swinging variable sheer sword formula armored concrete break-in scissors |
| CN112122685A (en) * | 2020-09-21 | 2020-12-25 | 刘桥兴 | Dismantling shear with bidirectional shear force structure and implementation method thereof |
| CN114391361A (en) * | 2022-03-02 | 2022-04-26 | 宁夏大学 | Self-adaptive profiling stubble leveling equipment |
-
2014
- 2014-07-22 CN CN201420404639.1U patent/CN204018831U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001731A (en) * | 2016-05-27 | 2016-10-12 | 格力电器（芜湖）有限公司 | Thermal insulation pipe cutting device |
| CN107339270A (en) * | 2017-09-05 | 2017-11-10 | 烟台艾迪精密机械股份有限公司 | A kind of hydraulic shear cylinder control system and hydraulic shear |
| CN109680985A (en) * | 2018-12-29 | 2019-04-26 | 中国地质大学（北京） | A kind of full circle swinging variable sheer sword formula armored concrete break-in scissors |
| CN112122685A (en) * | 2020-09-21 | 2020-12-25 | 刘桥兴 | Dismantling shear with bidirectional shear force structure and implementation method thereof |
| CN114391361A (en) * | 2022-03-02 | 2022-04-26 | 宁夏大学 | Self-adaptive profiling stubble leveling equipment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20180722 |