CN212479964U - Automatic shaft locking device for rotary shaft system - Google Patents
Automatic shaft locking device for rotary shaft system Download PDFInfo
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- CN212479964U CN212479964U CN202020295852.9U CN202020295852U CN212479964U CN 212479964 U CN212479964 U CN 212479964U CN 202020295852 U CN202020295852 U CN 202020295852U CN 212479964 U CN212479964 U CN 212479964U
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Abstract
The utility model provides an automatic axle locking device of gyration shafting. The device includes: the device comprises a base, a lock shaft bolt, a safety pin, a first hydraulic part, a second hydraulic part, a position sensor and a control device. The base is fixedly arranged on the ship body; the lock shaft bolt is arranged on the base in a sliding mode, and one end of the lock shaft bolt is provided with a locking part matched with the shafting flange in a wedge shape or a V shape; the safety pin is arranged on the base in a sliding mode and used for limiting the bolt of the lock shaft; the first hydraulic part is used for driving a lock shaft bolt; the second hydraulic part is used for driving the safety pin; the position sensor is used for sensing the position of the lock shaft bolt and the position of the safety pin; and the control device controls the first hydraulic part and the second hydraulic part according to the position of the lock shaft bolt sensed by the position sensor. The utility model provides an automatic lock axle device of gyration shafting for boats and ships has realized automatic lock axle function and lock axle position retention function with simple mechanical structure and hydraulic control logic.
Description
Technical Field
The utility model relates to a marine facilities field especially relates to an automatic axle locking device of gyration shafting.
Background
In the process of navigation, mooring or operation of the ship, in order to prevent the shafting which is kept static from being acted by water flow or driven by other power devices, a shaft locking device is required to be arranged on the shafting, so that the shafting is kept static, and the safety of the main power device, the transmission device and related personnel of the ship is protected.
Existing locking devices include disc locking devices and pin locking devices. The disc type locking device is locked by the brake disc tightly held and connected with the shaft system, and has the advantages of complex structure, large occupied space, high cost and easy occurrence of misoperation. Pin-type locking means adopts manual mode to realize the lock axle function, and need before the lock axle to barring the shafting to accurate position, and operation process is loaded down with trivial details and influence lock axle efficiency. In addition, under the condition that a shafting is subjected to vibration and impact, the conventional shaft locking device usually has no position holding function, and cannot ensure reliable and stable shaft locking.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, an object of the present invention is to provide an automatic shaft locking device for a rotary shaft system, which is used to solve at least one of the above problems.
In order to achieve the purpose, the utility model provides an automatic axle locking device of a rotary shaft system. The device includes:
the base is fixedly arranged on the ship body;
the lock shaft bolt is arranged on the base in a sliding mode, and one end of the lock shaft bolt is provided with a locking part matched with a shafting flange in a wedge shape or a V shape;
the safety pin is arranged on the base in a sliding mode and used for limiting the lock shaft bolt;
the first hydraulic part is used for driving the lock shaft bolt;
a second hydraulic part for driving the shear pin;
a position sensor for sensing a position of the latch shaft bolt and a position of the shear pin; and
and the control device is electrically connected with the position sensor, the first hydraulic part and the second hydraulic part so as to control the first hydraulic part and the second hydraulic part according to the position of the lock shaft bolt sensed by the position sensor.
In one embodiment, the first hydraulic part includes:
the first hydraulic cylinder is connected with the lock shaft bolt;
the first valve body is used for controlling the mode of injecting oil into the first hydraulic cylinder so as to control the movement direction of the first hydraulic cylinder; and
a first hydraulic lock for maintaining an operating state of the first hydraulic cylinder.
In one embodiment, the second hydraulic section includes:
a second hydraulic cylinder connected to the shear pin; and
and the second valve body is used for controlling the mode of injecting oil into the second hydraulic cylinder so as to control the movement direction of the second hydraulic cylinder.
In one embodiment, the method further comprises:
and the limiting pin is used for limiting the lock shaft bolt in the circumferential direction.
In an embodiment, a limiting groove is formed in the lock shaft bolt along the length direction, and one end of the limiting pin is at least partially located in the limiting groove so as to limit the lock shaft bolt in the circumferential direction.
In an embodiment, a first piston is slidably disposed in the first hydraulic cylinder, the first piston is connected to the lock shaft through a pin, two oil injection holes are symmetrically disposed in the first hydraulic cylinder, and the first valve body controls the movement direction of the first piston by controlling oil injection to different oil injection holes.
In one embodiment, the first valve body includes a directional valve electrically connected to the control device.
In one embodiment, the second valve body includes a direction valve electrically connected to the control device.
In an embodiment, a second piston is slidably disposed in the second hydraulic cylinder, the second piston is connected to the safety pin, a spring is further disposed in the second hydraulic cylinder, and the second valve body controls the movement direction of the second piston by controlling whether oil is injected into the second hydraulic cylinder.
In one embodiment, the position sensor is a plurality of position sensors, and the position sensors are arranged along the axial direction of the lock shaft bolt and the safety pin.
The embodiment of the utility model provides an automatic lock axle device of gyration shafting has realized automatic lock axle function and lock axle position retention function with simple mechanical structure and hydraulic control logic. The shafting locking device has the advantages of simple structure, small volume, simple operation, capability of quickly completing the shafting locking function, safe and reliable working process, easy adjustment of specifications and easy formation of universalization and serialization products. The automatic shaft locking device for the rotary shaft system can be applied to the marine rotary shaft system, and can also be correspondingly adjusted according to the specification as required and applied to other working occasions.
Specific embodiments of the present invention are disclosed in detail with reference to the following description and the accompanying drawings, which specify the manner in which the principles of the invention may be employed. It should be understood that the embodiments of the present invention are not so limited in scope. The embodiments of the invention include many variations, modifications and equivalents within the spirit and scope of the appended claims.
Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments, in combination with or instead of the features of the other embodiments.
It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps or components.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of the automatic shaft locking device of the rotary shaft system of the present invention;
fig. 2 is a schematic view of a partial structure of a shaft locking bolt of the automatic shaft locking device of the rotary shaft system of the present invention;
fig. 3 is a schematic diagram of the position sensor on the safety pin of the automatic shaft locking device of the rotary shaft system of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments, it should be understood that these embodiments are only used for illustrating the present invention and are not used for limiting the scope of the present invention, and after reading the present invention, the modifications of the present invention in various equivalent forms by those skilled in the art will fall within the scope defined by the claims attached to the present application.
Referring to fig. 1 and 2, an embodiment of the present invention provides an automatic shaft locking device 10 for a rotary shaft system, including: a base 11, a latch shaft plug 12, a shear pin 13, a first hydraulic part 14, a second hydraulic part 15, a position sensor 16, and the like. The automatic shaft locking device 10 for the rotary shaft system can be used for the rotary shaft system for ships. Of course, the automatic locking shaft device 10 of the rotary shaft system can be used in other devices.
In particular, the base 11 may be adapted for fixed arrangement on the hull. The lock shaft bolt 12 is slidably disposed on the base 11, and one end of the lock shaft bolt 12 has a locking portion 121 engaged with the shaft flange 20. For example, the locking portion 121 may be wedge or V-shaped to engage the shafting flange 20. The wedge-shaped or V-shaped structure can ensure that the locking part 121 can be partially inserted into the shafting flange 20 without being completely aligned with a certain position of the shafting flange 20, so that the requirement of the locking shaft bolt 12 on the position precision can be effectively reduced, and the locking shaft success rate is improved.
The safety pin 13 is arranged on the base 11 in a sliding mode, and the safety pin 13 is used for limiting the lock shaft bolt 12. The first hydraulic section 14 is used to drive the latch shaft bolt 12. The second hydraulic part 15 is used to drive the shear pin 13. And a position sensor 16 for controlling the first hydraulic part 14 and the second hydraulic part 15 according to the position of the latch shaft bolt 12. For example, the number of the position sensors 16(16a, 16b) is at least two, and a plurality of the position sensors 16(16a, 16b) are arranged along the axial direction of the shaft plug 12. At the same time, a position sensor 18 is also provided, the position sensor 18 being used to control the shear pin 13.
The rotary shaft system automatic lock shaft device 10 may further comprise a control device (not shown) electrically connected to each of the position sensor 16(16a, 16b), the first hydraulic part 14 and the second hydraulic part 15 to control the first hydraulic part 14 and the second hydraulic part 15 according to the position of the lock shaft plug pin 12 sensed by the position sensor 16(16a, 16 b). The control device may be provided separately or integrated in the position sensor 16(16a, 16b) or the valve body.
In an embodiment, the first hydraulic section 14 may include: a first hydraulic cylinder 141, a first valve body 142, and a first hydraulic lock 143. The first hydraulic cylinder 141 may be connected to the latch shaft latch 12. The first valve body 142 is used to control the manner in which oil is injected into the first hydraulic cylinder 141, thereby controlling the direction of movement of the first hydraulic cylinder 141. And, the first hydraulic lock 143 is used to maintain the operating state of the first hydraulic cylinder 141.
Further, a first piston (not shown) is slidably disposed in the first hydraulic cylinder 141, the first piston is connected to the shaft-locking bolt 12, two oil injection holes A, B are symmetrically disposed in the first hydraulic cylinder 141, and the first valve body 142 controls the oil injection to different oil injection holes A, B to control the moving direction of the first piston. The first valve body 142 includes a directional valve that is in signal communication with the position sensor 16(16a, 16 b).
In one embodiment, the second hydraulic section 15 includes a second hydraulic cylinder 151 and a second valve body 152. The second hydraulic cylinder 151 is connected to the shear pin 13. And, the second valve body 152 is used to control the way of injecting the oil into the first hydraulic cylinder 141 according to the signal from the position sensor 18, and thus to control the moving direction of the second hydraulic cylinder 151.
Further, a second piston is slidably disposed in the second hydraulic cylinder 151, the second piston is connected to the safety pin 13, a spring is further disposed in the second hydraulic cylinder 151, and the second valve body 152 controls the movement direction of the second piston by controlling whether to inject oil into the second hydraulic cylinder 151. The second valve body 152 includes a directional valve that is in signal communication with the position sensor 16(16a, 16 b).
In one embodiment, referring to fig. 2, to prevent the lock shaft bolt 12 from rotating, the rotary shafting automatic lock shaft device 10 may further include a limit pin 17. The limit pin 17 is used for limiting the lock shaft bolt 12 in the circumferential direction. The lock shaft bolt 12 is provided with a limiting groove 122 along the length direction, and one end of the limiting pin 17 is at least partially positioned in the limiting groove 122, so that the lock shaft bolt 12 is limited in the circumferential direction.
In order to enable those skilled in the art to practice the technical solution of the present application under the guidance of the specification of the present application, the specific structure of the components and the matching relationship between the components in the automatic shafting locking device 10 of the present application will be described in detail below with reference to fig. 1 to 3.
For example, when the automatic pivot locking device 10 of the rotary shaft system is not in operation, the pivot pin 12 can be completely hidden in the hole of the pivot base 11, and the position sensors 16(16a, 16b) and 18 (see fig. 3) respectively send out the closing signals; at this time, the second hydraulic cylinder 151 is not filled with oil, and the second hydraulic cylinder 151 pushes the safety pin 13 to extend out of the guide hole of the base 11 under the action of the internal spring, so that the position of the latch bolt 12 of the lock shaft is limited. The position sensor 18 then sends an open/close signal.
After receiving a locking shaft working instruction, firstly, reversing the valve action, sending a closing signal by the position sensor 18, filling oil into the second hydraulic cylinder 151, and retracting the safety pin 13 into the guide hole of the base 11 under the action of the second hydraulic cylinder 151; secondly, the reversing valve acts, the oil is filled in the oil cylinder on the side B of the first hydraulic cylinder 141, the lock shaft bolt 12 slides forwards in the hole of the base 11 under the pushing of the first hydraulic cylinder 141 and is inserted into the wedge-shaped groove on the shafting flange 20, when the lock shaft is in place, the position sensors 16(16a and 16B) respectively send out opening and closing signals, and the first hydraulic cylinder 141 keeps the position of the piston still under the action of the first hydraulic lock 143; and then the reversing valve acts, the second hydraulic cylinder 151 returns oil, the position sensor 18 sends an opening and closing signal, the safety pin 13 extends out of the guide hole of the base 11, the position limitation of the lock shaft bolt 12 is realized, and the shaft locking is finished.
After receiving an unlocking work instruction, firstly, the reversing valve acts, the position sensor 18 sends a closing signal, the second hydraulic cylinder 151 is filled with oil, and the safety pin 13 retracts into the guide hole of the base 11 under the action of the second hydraulic cylinder 151; secondly, the reversing valve acts, the oil is filled in the oil cylinder on the side A of the first hydraulic cylinder 141, the lock shaft bolt 12 slides backwards in the hole of the base 11 under the pushing of the first hydraulic cylinder 141 and is separated from the shafting flange 20, when the first hydraulic cylinder 141 is unlocked in place, the position sensors 16(16a and 16b) respectively send out closing signals, and the first hydraulic cylinder 141 keeps the position of the piston still under the action of the first hydraulic lock 143; then the reversing valve acts, the second hydraulic cylinder 151 returns oil, the safety pin 13 extends out of the guide hole of the base 11, the position limiting of the lock shaft bolt 12 is achieved, the position sensor 18 sends an opening and closing signal, and the unlocking action is completed.
The embodiment of the utility model provides an automatic lock axle device 10 of gyration shafting has realized automatic lock axle function and lock axle position retention function with simple mechanical structure and hydraulic control logic. The shafting locking device has the advantages of simple structure, small volume, simple operation, capability of quickly completing the shafting locking function, safe and reliable working process, easy adjustment of specifications and easy formation of universalization and serialization products. The automatic shaft locking device 10 for the rotary shaft system can be applied to the marine rotary shaft system, and can also be correspondingly adjusted according to the specification as required, so that the automatic shaft locking device is applied to other working occasions.
It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are hereby incorporated by reference for all purposes. The omission in the foregoing claims of any aspect of the subject matter that is disclosed herein is not intended to forego such subject matter, nor should the inventors be construed as having contemplated such subject matter as being part of the disclosed inventive subject matter.
Claims (10)
1. An automatic shaft locking device for a rotary shaft system is characterized by comprising:
the base is fixedly arranged on the ship body;
the lock shaft bolt is arranged on the base in a sliding mode, and one end of the lock shaft bolt is provided with a locking part matched with a shafting flange in a wedge shape or a V shape;
the safety pin is arranged on the base in a sliding mode and used for limiting the lock shaft bolt;
the first hydraulic part is used for driving the lock shaft bolt;
a second hydraulic part for driving the shear pin;
a position sensor for sensing a position of the latch shaft bolt and a position of the shear pin; and
and the control device is electrically connected with the position sensor, the first hydraulic part and the second hydraulic part so as to control the first hydraulic part and the second hydraulic part according to the position of the lock shaft bolt sensed by the position sensor.
2. The rotary shafting automatic lock shaft device as claimed in claim 1, wherein said first hydraulic section comprises:
the first hydraulic cylinder is connected with the lock shaft bolt;
the first valve body is used for controlling the mode of injecting oil into the first hydraulic cylinder so as to control the movement direction of the first hydraulic cylinder; and
a first hydraulic lock for maintaining an operating state of the first hydraulic cylinder.
3. The slewing shaft system automatic locking shaft device as claimed in claim 1, wherein said second hydraulic section comprises:
a second hydraulic cylinder connected to the shear pin; and
and the second valve body is used for controlling the mode of injecting oil into the second hydraulic cylinder so as to control the movement direction of the second hydraulic cylinder.
4. The automatic shafting lock shaft device as claimed in claim 1, further comprising:
and the limiting pin is used for limiting the lock shaft bolt in the circumferential direction.
5. The automatic shaft locking device for the rotary shaft system as claimed in claim 4, wherein a limiting groove is formed on the lock shaft plug pin along the length direction, and one end of the limiting pin is at least partially located in the limiting groove so as to limit the lock shaft plug pin in the circumferential direction.
6. The automatic locking shaft device for the rotary shaft system as claimed in claim 2, wherein a first piston is slidably disposed in the first hydraulic cylinder, the first piston is connected to the locking shaft through a bolt, the first hydraulic cylinder is provided with two symmetrically disposed oil injection holes, and the first valve body controls the movement direction of the first piston by controlling the oil injection to the different oil injection holes.
7. The rotary shafting automatic lock shaft apparatus as claimed in claim 2, wherein said first valve body includes a directional valve, said directional valve being electrically connected to said control apparatus.
8. The rotary shafting automatic lock shaft apparatus of claim 3, wherein said second valve body comprises a directional control valve, said directional control valve being electrically connected to said control apparatus.
9. The automatic locking shaft device of a rotary shaft system as claimed in claim 3, wherein a second piston is slidably disposed in the second hydraulic cylinder, the second piston is connected to the safety pin, a spring is further disposed in the second hydraulic cylinder, and the second valve body controls the movement direction of the second piston by controlling whether to inject oil into the second hydraulic cylinder.
10. The slewing shaft system automatic locking shaft device as claimed in claim 1, wherein the number of the position sensors is plural, and the plural position sensors are arranged along an axial direction of the locking shaft plug pin and the safety pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020295852.9U CN212479964U (en) | 2020-03-11 | 2020-03-11 | Automatic shaft locking device for rotary shaft system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020295852.9U CN212479964U (en) | 2020-03-11 | 2020-03-11 | Automatic shaft locking device for rotary shaft system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212479964U true CN212479964U (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020295852.9U Active CN212479964U (en) | 2020-03-11 | 2020-03-11 | Automatic shaft locking device for rotary shaft system |
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| CN (1) | CN212479964U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645917A (en) * | 2022-01-29 | 2022-06-21 | 北京航天发射技术研究所 | Dynamic mechanism braking locking device and method under impact action |
-
2020
- 2020-03-11 CN CN202020295852.9U patent/CN212479964U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645917A (en) * | 2022-01-29 | 2022-06-21 | 北京航天发射技术研究所 | Dynamic mechanism braking locking device and method under impact action |
| CN114645917B (en) * | 2022-01-29 | 2024-04-05 | 北京航天发射技术研究所 | Dynamic mechanism braking locking device and method under impact action |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220321 Address after: 201108 area a, B and C, floors 1-10, No. 1718 Daduhe Road, Putuo District, Shanghai (except area C, floor 2) Patentee after: Shanghai Dahua coupling Factory Co.,Ltd. Address before: 201108 Shanghai city Minhang District Huaning Road No. 3111 Patentee before: Shanghai Marine Diesel Engine Research Institute |
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| TR01 | Transfer of patent right |