CN208226778U - A kind of electric cylinder for deep-marine-environment - Google Patents
A kind of electric cylinder for deep-marine-environment Download PDFInfo
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- CN208226778U CN208226778U CN201820879961.8U CN201820879961U CN208226778U CN 208226778 U CN208226778 U CN 208226778U CN 201820879961 U CN201820879961 U CN 201820879961U CN 208226778 U CN208226778 U CN 208226778U
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- push rod
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- marine
- electric cylinder
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Abstract
The utility model discloses a kind of electric cylinders for deep-marine-environment, are related to electric cylinder field, including executing agency and power mechanism, executing agency, power mechanism are sealing structure, and executing agency seals against each other with power mechanism；Executing agency includes shell, guiding inner casing, push rod and trapezoidal screw, guiding inner casing is located at the inside of shell, one end insertion guiding inner casing of push rod, and the other end is located at the outside of guiding inner casing, one end of trapezoidal screw is connected with driving executing agency, and the other end is inserted into the inside of push rod；Push rod is connected by nut with trapezoidal screw close to one end of guiding inner housing inner; nut is for being converted to linear reciprocating motion for the rotary motion of trapezoidal screw and push rod being driven to carry out linear reciprocating motion; the one end of push rod far from power mechanism can stretch out shell and move back and forth; the utility model is able to bear Deep-sea high voltage; and can be avoided ocean current interference, can in deep-marine-environment long-term normal use.
Description
Technical field
The utility model relates to electric cylinder fields, and in particular to a kind of electric cylinder for deep-marine-environment.
Background technique
Electric cylinder is by the modular product of rotating electric machine and trapezoidal screw integrated design, and motor drives trapezoidal screw rotation
Turn, the rotary motion of motor be converted by linear reciprocating motion by nut, and electric cylinder is connect with PLC dispatch control system,
The rotation that motor is controlled by control system, may be implemented high-accuracy motion control, and energy conservation, completely, Operation and Maintenance is simple.
Currently, the driving of executing agency mostly uses hydraulic cylinder to realize greatly under deep-marine-environment, still, since marine environment is more multiple
Miscellaneous, the corrosivity of seawater is stronger, and pressure is larger in deep-sea, and hydraulic cylinder is easily damaged, higher operating costs；Existing electric cylinder
It is difficult to bear excessively high pressure, machine components are easy to be radiated by seawater, and are easy to be influenced by ocean current, it is difficult to be used on a large scale
Deep-marine-environment.
Utility model content
In view of the deficiencies in the prior art, the purpose of this utility model is to provide a kind of electricity for deep-marine-environment
Dynamic cylinder, is able to bear Deep-sea high voltage, and corrosion resistance is stronger, and can be avoided ocean current interference, can be long-term just in deep-marine-environment
It is often used.
To achieve the above objectives, the technical scheme adopted by the utility model is that:
A kind of electric cylinder for deep-marine-environment, including executing agency and power mechanism, the power mechanism is for driving
Executing agency's movement, the executing agency, power mechanism are sealing structure, and the executing agency and power mechanism are mutually close
Envelope；
The executing agency includes that shell, guiding inner casing, push rod and trapezoidal screw, the guiding inner casing are located at the interior of shell
Portion, one end insertion guiding inner casing of the push rod, the other end are located at the outside of guiding inner casing, one end of the trapezoidal screw and drive
Dynamic executing agency is connected, and the other end is inserted into the inside of push rod；
The push rod is connected by nut with trapezoidal screw close to one end of guiding inner housing inner, and the nut is used for will
The rotary motion of trapezoidal screw is converted to linear reciprocating motion and push rod is driven to carry out linear reciprocating motion, and the push rod is far from dynamic
One end of force mechanisms can stretch out shell and move back and forth.
Based on the above technical solution, the trapezoidal screw is located at one end inside push rod by a sliding support
It is connected with push rod.
Based on the above technical solution, the side that the shell, guiding inner casing close on power mechanism is provided with installation
Seat, the trapezoidal screw are connected by bearing with mounting base.
Based on the above technical solution, it is provided with keyway on the guiding inner casing, the push rod is corresponding with keyway
Place is provided with antirotation keys, and the antirotation keys can back and forth be run in keyway, prevents nut from rotating.
Based on the above technical solution, the one end of the push rod far from power mechanism place corresponding to shell is provided with
Dustband, the dustband can remove the impurity that push rod extension adheres in retraction.
Based on the above technical solution, the first guide ring is provided between the push rod and guiding inner casing, second lead
Xiang Huan, first guide ring, the second guide ring are used to support the push rod and slide in guiding inner casing.
Based on the above technical solution, the push rod and guiding inner casing dynamic sealing.
Based on the above technical solution, the guiding inner casing and shell static seal.
Based on the above technical solution, the electric cylinder be additionally provided with stretch, the contracting limit close to switch and water leakage alarm
Device.
Based on the above technical solution, the outer surface of the push rod is using spray pottery technique processing.
Compared with the prior art, the advantages of the utility model are:
(1) a kind of electric cylinder for deep-marine-environment of the utility model, including be sealing structure, meanwhile, execute machine
Structure is sealed against each other with power mechanism, the use of trapezoidal screw is full range automatic locking motion mode, is guaranteed the high reliability of electric cylinder movement,
So that the flexible of push rod is not influenced by ocean current；Meanwhile the compact overall structure of electric cylinder, can be avoided internal voids excessively causes
It is easy to be influenced by seawater high pressure and ocean current, only push rod is in contact outside the Shi Huiyu that moves back and forth, due to push rod
It is in contact by disengaging guiding inner casing with outside, and push rod and guiding inner casing are directly dynamic sealing, and push rod is far from power mechanism
One end place corresponding to shell be provided with dustband, the dustband can remove what push rod extension adhered in retraction
Impurity avoids the inside that external contaminants is brought into electric cylinder by push rod, avoids inner body by seawater corrosion.
(2) a kind of electric cylinder for deep-marine-environment of the utility model, by the way that push rod is inserted into one end of trapezoidal screw
Inside, the design method that the other end is connected with power mechanism, so that electric cylinder realizes maximum in limited dimensional space
Thrust output, can effectively offset influence of the deep sea hydraulic to electric cylinder thrust output；The outer surface of push rod is using spray potler
Skill processing, can be improved the corrosion resistance, wearability and leakproofness of push rod, can in the more seawater of impurity preferable work
Make.
Detailed description of the invention
Fig. 1 is the structural schematic diagram in the utility model embodiment for the electric cylinder of deep-marine-environment；
Fig. 2 is the cross-sectional view of executing agency in the utility model embodiment.
In figure: 1- executing agency, 2- power mechanism, 3- shell, 4- are oriented to inner casing, 5- push rod, 6- trapezoidal screw, 7- spiral shell
Mother, 8- sliding support, 9- mounting base, 10- bearing, 11- antirotation keys, 12- dustband, the first guide ring of 13-, 14- second are led
Xiang Huan, 15-Y type circle, the special envelope of 16- Si, 17- electric machine casing, 18- torque motor stator, 19- torque motor rotor, 20- rotation are compiled
Code device, the switching of 21- rotor.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
Shown in Figure 1, the utility model embodiment provides a kind of electric cylinder for deep-marine-environment, including executing agency
1 and power mechanism 2, power mechanism 2 is for driving executing agency 1 to move.
Shown in Figure 2, executing agency 1 includes shell 3, guiding inner casing 4, push rod 5 and trapezoidal screw 6, is oriented to inner casing 4
In the inside of shell 3, one end insertion guiding inner casing 4 of push rod 5, the other end is located at the outside of guiding inner casing 4, trapezoidal screw 6
One end is connected with driving executing agency 1, and the other end is inserted into the inside of push rod 5, is oriented on inner casing 4 and is provided with keyway, push rod 5 with
The corresponding place of keyway is provided with antirotation keys 11, and antirotation keys 11 can back and forth be run in keyway, prevents nut 7 from rotating.
The first guide ring 13, the second guide ring 14, the first guide ring 13, second are provided between push rod 5 and guiding inner casing 4
Guide ring 14 is used to support push rod 5 and slides in guiding inner casing 4, and in the present embodiment, the first guide ring 13 is piston guide ring, the
Two guide rings 14 are piston rod guide ring, and the first guide ring 13, the second guide ring 14 select non-metal guide ring, can be maximum
The reduction frictional force and abrasion loss of limit.
The one end of push rod 5 inside guiding inner casing 4 is connected by nut 7 with trapezoidal screw, and nut 7 is used for will be trapezoidal
The rotary motion of screw rod 6 is converted to linear reciprocating motion and push rod 5 is driven to carry out linear reciprocating motion, and push rod 5 is far from engine
One end of structure 2 can stretch out shell 3 and move back and forth, and the one end of push rod 5 far from power mechanism 2 it is corresponding to shell 3 it
Place is provided with dustband 12, and dustband 12 can remove the impurity that 5 extension of push rod adheres in retraction.
Electric cylinder be additionally provided with stretch, the contracting limit close to switch and water leakage alarm device, wherein stretch, the contracting limit close to switch
For limiting the limit of sports record position of push rod 5, water leakage alarm device is located at the inside of shell 3, for intaking in shell 3
Shi Jinhang alarm.
In the present embodiment, trapezoidal screw 6 is located at one end inside push rod 5 and is connected by a sliding support 8 with push rod 5
It connects, the side that shell 3, guiding inner casing 4 close on power mechanism 2 is provided with mounting base 9, and trapezoidal screw 6 passes through bearing 10 and installation
Seat 9 is connected.
Push rod 5 and guiding 4 dynamic sealing of inner casing, wherein dynamic sealing passes through the Y-shaped ring 15 for being mounted on guiding inner casing one end and this
16 composition of spy's envelope；It is oriented to inner casing 4 and 3 static seal of shell, wherein static seal is made of radial direction, end face O-ring.
In the present embodiment, the lead angle of trapezoidal screw 6 is less than equivalent friction angle, realizes self-locking function, at an arbitrary position,
External ocean current can not influence electric cylinder operation.
The outer surface of push rod 5 is two phase stainless steel using spray pottery technique processing, the base material of push rod 5, has preferable seawater
Corrosive nature and yield strength can satisfy the requirement of big load thrust output；Ceramic layer thickness >=the 0.25mm on base material surface,
Ceramic layer and base material bond strength >=25MPa, surface hardness >=900HV, spray pottery can be improved corrosion resistance, the wearability of push rod
And leakproofness, it can preferably work in the more seawater of impurity, and ceramic layer can be with the sealing element between guiding inner casing 4
(Y-shaped ring 15 and Si Te envelope 16) preferably fitting, improves the reliability of dynamic sealing.
Shown in Figure 1 in the present embodiment, power mechanism 2 selects motor comprising electric machine casing 17, electric machine casing 17
With 3 static seal of shell, electric machine casing 17 is internally provided with torque motor stator 18, torque motor rotor 19 and rotary encoder
20, wherein rotor 19 is fixed in rotor switching 21, and rotor switching 21 is fixed on trapezoidal by motor key 22
On 6 axis of screw rod, rotary encoder 20 is locked on 6 axis of trapezoidal screw, and rotary encoder 20 is fixed on encoder by spring leaf
In fixed plate, encoder fixed plate is fixed on electric machine casing 17.
The utility model is not limited to above embodiment, for those skilled in the art, not
Under the premise of being detached from the utility model principle, several improvements and modifications can also be made, these improvements and modifications are also considered as this reality
Within novel protection scope.The content being not described in detail in this specification belongs to well known to professional and technical personnel in the field
The prior art.
Claims (10)
1. a kind of electric cylinder for deep-marine-environment, it is characterised in that: described dynamic including executing agency (1) and power mechanism (2)
Force mechanisms (2) are for driving executing agency (1) to move, and the executing agency (1), power mechanism (2) are sealing structure, and institute
Executing agency (1) is stated to seal against each other with power mechanism (2)；
The executing agency (1) includes shell (3), guiding inner casing (4), push rod (5) and trapezoidal screw (6), the guiding inner casing
(4) it is located at the inside of shell (3), one end insertion guiding inner casing (4) of the push rod (5), the other end is located at guiding inner casing (4)
One end of outside, the trapezoidal screw (6) is connected with driving executing agency (1), and the other end is inserted into the inside of push rod (5)；
The push rod (5) is connected by nut (7) with trapezoidal screw close to the internal one end of guiding inner casing (4), the nut
(7) for the rotary motion of trapezoidal screw (6) to be converted to linear reciprocating motion and push rod (5) is driven to carry out reciprocating linear fortune
Dynamic, the push rod (5) can stretch out shell (3) and move back and forth far from the one end of power mechanism (2).
2. a kind of electric cylinder for deep-marine-environment as described in claim 1, it is characterised in that: trapezoidal screw (6) position
It is connected by a sliding support (8) with push rod (5) in the internal one end of push rod (5).
3. a kind of electric cylinder for deep-marine-environment as described in claim 1, it is characterised in that: in the shell (3), guiding
The side that shell (4) closes on power mechanism (2) is provided with mounting base (9), and the trapezoidal screw (6) passes through bearing (10) and mounting base
(9) it is connected.
4. a kind of electric cylinder for deep-marine-environment as described in claim 1, it is characterised in that: on the guiding inner casing (4)
It is provided with keyway, push rod (5) place corresponding with keyway is provided with antirotation keys (11), and the antirotation keys (11) can be in key
It is back and forth run in slot, prevents nut (7) from rotating.
5. a kind of electric cylinder for deep-marine-environment as described in claim 1, it is characterised in that: the push rod (5) is far from dynamic
One end of force mechanisms (2) place corresponding to shell (3) is provided with dustband (12), and the dustband (12) can remove push rod
(5) impurity that extension adheres in retraction.
6. a kind of electric cylinder for deep-marine-environment as described in claim 1, it is characterised in that: the push rod (5) and guiding
The first guide ring (13), the second guide ring (14), first guide ring (13), the second guide ring are provided between inner casing (4)
(14) it is used to support the push rod (5) sliding in guiding inner casing (4).
7. a kind of electric cylinder for deep-marine-environment as described in claim 1, it is characterised in that: the push rod (5) and guiding
Inner casing (4) dynamic sealing.
8. a kind of electric cylinder for deep-marine-environment as described in claim 1, it is characterised in that: the guiding inner casing (4) and
Shell (3) static seal.
9. a kind of electric cylinder for deep-marine-environment as described in claim 1, it is characterised in that: the electric cylinder is additionally provided with
It stretches, the contracting limit approaches switch and water leakage alarm device.
10. a kind of electric cylinder for deep-marine-environment as described in claim 1, it is characterised in that: the appearance of the push rod (5)
Face is using spray pottery technique processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820879961.8U CN208226778U (en) | 2018-06-06 | 2018-06-06 | A kind of electric cylinder for deep-marine-environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820879961.8U CN208226778U (en) | 2018-06-06 | 2018-06-06 | A kind of electric cylinder for deep-marine-environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208226778U true CN208226778U (en) | 2018-12-11 |
Family
ID=64505328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820879961.8U Active CN208226778U (en) | 2018-06-06 | 2018-06-06 | A kind of electric cylinder for deep-marine-environment |
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| Country | Link |
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| CN (1) | CN208226778U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512356A (en) * | 2018-06-06 | 2018-09-07 | 武汉华之洋科技有限公司 | A kind of electric cylinder for abyssal environment |
| CN109667903A (en) * | 2019-02-28 | 2019-04-23 | 长安大学 | A kind of cylinder guide colume type translation mechanism |
-
2018
- 2018-06-06 CN CN201820879961.8U patent/CN208226778U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512356A (en) * | 2018-06-06 | 2018-09-07 | 武汉华之洋科技有限公司 | A kind of electric cylinder for abyssal environment |
| CN109667903A (en) * | 2019-02-28 | 2019-04-23 | 长安大学 | A kind of cylinder guide colume type translation mechanism |
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