CN213262937U - Electrostatic discharge device for helicopter - Google Patents
Electrostatic discharge device for helicopter Download PDFInfo
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- CN213262937U CN213262937U CN202022273136.3U CN202022273136U CN213262937U CN 213262937 U CN213262937 U CN 213262937U CN 202022273136 U CN202022273136 U CN 202022273136U CN 213262937 U CN213262937 U CN 213262937U
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- electrostatic discharge
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- helicopter
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Abstract
An electrostatic discharge device for a helicopter relates to the field of electrostatic discharge devices. The electrostatic release device for the helicopter comprises a winch steel cable, a connecting seat connected with the winch steel cable, a hook seat connected with a hook, an electrostatic release device detachably connected with the hook seat and a unhooking device, wherein the connecting seat, the electrostatic release device and the unhooking device are all made of conductive materials, one end of the unhooking device is connected with the electrostatic release device, the other end of the unhooking device is configured to be rotatably connected with or separated from the connecting seat, and the unhooking device is driven to rotate to be separated from the connecting seat when the electrostatic release device impacts the ground. The application provides an electrostatic discharge device for helicopter can make the couple separation when releasing static to avoid couple and ground or marine article to produce and collude or twine.
Description
Technical Field
The application relates to the field of electrostatic discharge devices, in particular to an electrostatic discharge device for a helicopter.
Background
The helicopter can produce and accumulate a large amount of static charges after flying for a long time, and under the condition that the helicopter carries out the rescue task, the electric charge that the helicopter carried can cause harm to the personnel of treating rescue, and simultaneously when the helicopter suspends, the couple that rescue electric winch set up is transferred to land or marine release static electricity and can produce with ground or marine article when carrying out the rescue and collude or twine, makes the helicopter can't shake off and lead to unexpected the emergence, influences helicopter flight safety, leads to rescue failure and casualties.
SUMMERY OF THE UTILITY MODEL
The application aims to provide an electrostatic discharge device for a helicopter, which can separate a hook while discharging static electricity, so that the hook is prevented from hooking or winding with a ground or marine object.
The embodiment of the application is realized as follows:
the embodiment of the application provides an electrostatic discharge device for helicopter, it includes the winch cable wire, the connecting seat of being connected with the winch cable wire, be connected with the couple seat of couple, can dismantle electrostatic discharge device and the unhook device of being connected with the couple seat, connecting seat, electrostatic discharge device and unhook device are made by conducting material, the one end and the electrostatic discharge device of unhook device are connected, the other end is configured into rotatable coupling or breaks away from the connecting seat, the drive unhook device rotates and breaks away from the connecting seat when electrostatic discharge device strikes the ground.
In some optional embodiments, the electrostatic discharge device comprises a steel pipe and steel sleeves respectively sleeved at two ends of the steel pipe in an axially movable manner, and the steel sleeves are detachably connected with the hook seats through threads.
In some optional embodiments, the unhooking device comprises a connecting rod and a hook claw hinged with the connecting rod, the connecting rod penetrates through a steel sleeve and then is connected with the steel pipe, the connecting seat is provided with a connecting part, and the side wall of the connecting part is provided with a hook claw groove matched and connected with the hook claw.
In some alternative embodiments, the hook base is further connected with an axially movable unlocking pin which pushes the hook claw to rotate to be separated from the hook claw groove when moving along the axial direction of the unlocking pin.
In some optional embodiments, the device further comprises a spring, and two ends of the spring respectively press against the connecting seat and the hook seat.
In some optional embodiments, the connecting seat or the hook seat is provided with a limiting column, and the spring is sleeved on the limiting column.
In some alternative embodiments, the connecting seat and the hanger seat are configured to be removably connected by a plurality of connecting bolts.
The beneficial effect of this application is: the electrostatic discharge device for the helicopter provided by the embodiment comprises a winch steel cable, a connecting seat connected with the winch steel cable, a hook seat connected with a hook, an electrostatic discharge device detachably connected with the hook seat and a unhooking device, wherein the connecting seat, the electrostatic discharge device and the unhooking device are all made of conductive materials, one end of the unhooking device is connected with the electrostatic discharge device, the other end of the unhooking device is configured to be rotatably connected with or separated from the connecting seat, and the unhooking device is driven to rotate to be separated from the connecting seat when the electrostatic discharge device impacts the ground. The static electricity releasing device for the helicopter provided by the embodiment can release static electricity and simultaneously separate the hook, so that the hook is prevented from hooking or winding with a ground or marine object.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a cross-sectional view of an electrostatic discharge apparatus for a helicopter provided in embodiment 1 of the present application;
fig. 2 is a cross-sectional view of an electrostatic discharge apparatus for a helicopter provided in embodiment 2 of the present application;
fig. 3 is a sectional view of an electrostatic discharge apparatus for a helicopter according to embodiment 3 of the present application.
In the figure: 100. a winch cable; 110. a connecting seat; 111. a connecting portion; 112. a claw hooking groove; 113. a boss; 120. hooking; 130. a hook base; 140. an electrostatic discharge device; 141. a steel pipe; 142. steel casing; 150. a unhooking device; 151. a connecting rod; 152. hooking claws; 160. unlocking the bolt; 170. a spring; 180. a limiting column; 190. a connecting bolt; 200. bolt holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The features and performance of the electrostatic discharge apparatus for a helicopter according to the present application will be described in further detail with reference to the following examples.
Example 1
As shown in fig. 1, the present embodiment provides an electrostatic discharge device for a helicopter, which includes a winch cable 100, a cylindrical connecting seat 110 connected to the winch cable 100, an annular hook seat 130, an electrostatic discharge device 140 detachably connected to the hook seat 130, a unhooking device 150, and a spring 170, wherein one side of the bottom of the hook seat 130 is connected to a hook 120, the electrostatic discharge device 140 includes a steel pipe 141 and steel sleeves 142 respectively sleeved at two ends of the steel pipe 141 along an axial direction, and an outer wall of each steel sleeve 142 is detachably connected to a bottom wall of the hook seat 130 through a thread. The unhooking device 150 comprises a connecting rod 151 and a hook claw 152 hinged with the connecting rod 151, the connecting rod 151 penetrates through a steel sleeve 142 and then is connected with a steel pipe 141, the connecting seat 110 is provided with a connecting part 111 extending into the inner side of the hook seat 130, the side wall of the connecting part 111 is provided with a hook claw groove 112 in matched connection with the hook claw 152, two ends of the spring 170 respectively press against the connecting seat 110 and the hook seat 130, and the steel pipe 141 and the connecting rod 151 are pushed to move axially to drive the hook claw 152 to rotate to be separated from the connecting seat 110 when the electrostatic releasing device 140 impacts the ground; the connecting socket 110, the connecting rod 151 and the hook 152 are made of conductive steel.
Before the electrostatic discharge apparatus for helicopter provided in this embodiment is used, first, two steel sleeves 142 are respectively sleeved at two ends of a steel pipe 141, and a connecting rod 151 connected to one end of the steel pipe 141 penetrates one steel sleeve 142, so as to assemble the electrostatic discharge apparatus 140, then one steel sleeve 142 of the electrostatic discharge apparatus 140 is connected to the bottom of the hook base 130 through a screw thread, so that the connecting rod 151 connected to one end of the steel pipe 141 extends into the inner side of the hook base 130, the hook 152 and the connecting rod 151 are hinged together, the spring 170 is placed in the inner side of the hook base 130, then the connecting portion 111 of the connecting base 110 extends into the inner side of the hook base 130, the steel pipe 141 is moved in an axial direction to drive the hook 152 to rotate and be clamped in the hook groove 112 on the side wall of the connecting portion 111, and the bottom wall of the connecting portion 111 and the inner wall of the hook base 130 respectively press against two ends of the spring 170 to compress the, The hook base 130 and the electrostatic discharge device 140 are integrally connected to connect and wind the winch cable 100 to the winch drum of the helicopter to complete the preparation.
When the helicopter moves to a rescue site and needs to discharge static electricity, the connecting seat 110, the hook seat 130 and the static electricity discharge device 140 are thrown down, the static electricity discharge device 140 in the connecting seat 110, the hook seat 130 and the static electricity discharge device 140 is positioned at the lowest part and thrown down along the vertical direction, at this time, the static electricity discharge device 140 firstly falls to the ground and impacts the ground and immediately discharges the static electricity of the helicopter due to the action of gravity, then the impact force pushes the steel pipe 141 of the static electricity discharge device 140 to move along the axial direction and drives the connecting rod 151 to move and drive the hook 152 to rotate and be separated from the hook groove 112 on the side wall of the connecting part 111, at this time, the connecting seat 110 is separated from the hook seat 130 and the static electricity discharge device 140, the compressed spring 170 pushes the connecting seat 110 to move towards the direction far away from the hook seat 130 and the static electricity discharge device 140 through elastic stress, so that the connecting seat 110 is completely separated from the hook seat 130 and the, therefore, the helicopter flying safety caused by winding and hooking the electrostatic discharge device with the ground or offshore structure is avoided.
Example 2
As shown in fig. 2, the present embodiment provides an electrostatic discharge apparatus for a helicopter, which has substantially the same structure as the electrostatic discharge apparatus for a helicopter provided in embodiment 1, except that in the present embodiment, a connecting seat 110 is connected with a boss 113 extending into an inner side of a hook seat 130, the boss 113 protrudes to form a connecting part 111, the boss 113 and the hook seat 130 are respectively provided with four bolt holes 200 which are circumferentially arranged and are in one-to-one correspondence, and four connecting bolts 190 are respectively inserted into the corresponding bolt holes 200 to connect the boss 113 and the hook seat 130 together through threads; the boss 113 is provided with a limit post 180, and the spring 170 is sleeved on the limit post 180.
In the electrostatic discharge device for the helicopter provided by the embodiment, the limiting post 180 connected with the boss 113 is arranged, the spring 170 is sleeved on the limiting post 180, and the two ends of the spring 170 can be stably pressed against the bottom wall of the boss 113 and the inner wall of the hook seat 130, so that when the hook 152 rotates to be separated from the hook groove 112, the connecting seat 110 is stably pushed by the spring 170 to move in a direction away from the hook seat 130 and the electrostatic discharge device 140, and the connecting seat 110 is separated from the hook seat 130 and the electrostatic discharge device 140; the boss 113 protrudes to form a connecting part 111, four bolt holes 200 which are circumferentially arranged and in one-to-one correspondence are respectively formed in the boss 113 and the hook seat 130, when the hooks 120 are needed to hoist materials or wounded persons after static electricity is released, the static electricity releasing device 140 can be separated from the hook seat 130, then the boss 113 of the connecting seat 110 extends into the hook seat 130 to enable the boss 113 to be aligned with the corresponding bolt holes 200 in the hook seat 130, the four connecting bolts 190 are respectively inserted into the corresponding bolt holes 200 to connect the connecting seat 110 and the hook seat 130 together through threads, and therefore the winch roller on the helicopter is used for lifting the winch steel cable 100 and the connecting seat 110, and the hooks 120 on the hook seat 130 connected with the connecting seat 110 are used for hoisting materials or wounded persons.
Example 3
As shown in fig. 3, the present embodiment provides an electrostatic discharge apparatus for a helicopter, which has substantially the same structure as the electrostatic discharge apparatus for a helicopter provided in embodiment 1, except that in the present embodiment, a spring 170 is not provided, and an axially movable unlocking pin 160 is further connected to the hook base 130, and when the unlocking pin 160 moves axially, the hook 152 is pushed to rotate out of the hook groove 112.
Compared with the embodiment 1, the electrostatic discharge device for the helicopter provided by the embodiment is not provided with the spring 170, and the hook claw 152 is driven to rotate to be separated from the hook claw groove 112 for unlocking only by using the impact force when the electrostatic discharge device 140 impacts the ground; in addition, in this embodiment, the hook base 130 is connected to an unlocking bolt 160 capable of moving along an axial direction, the unlocking bolt 160 pushes the hook 152 to rotate to separate from the hook groove 112 when moving along the axial direction, and when the static electricity releasing device 140 impacts the ground and the hook 152 is not driven to rotate to separate from the hook groove 112, it is convenient for an operator to manually push the unlocking bolt 160 to move along the axial direction to push the hook 152 to rotate to separate from the hook groove 112 for unlocking, so as to achieve the unhooking operation under special conditions.
In other alternative embodiments, the hanger holder 130 and the hanger 120 are detachably coupled by bolts, and the worker may separate or couple the hanger 120 and the hanger holder 130 together when necessary.
The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Claims (7)
1. An electrostatic discharge device for a helicopter is characterized by comprising a winch steel cable, a connecting seat connected with the winch steel cable, a hook seat connected with a hook, an electrostatic discharge device detachably connected with the hook seat and a unhooking device, wherein the connecting seat, the electrostatic discharge device and the unhooking device are all made of conductive materials, one end of the unhooking device is connected with the electrostatic discharge device, the other end of the unhooking device is configured to be rotatably connected with or separated from the connecting seat, and the electrostatic discharge device is driven to rotate to be separated from the connecting seat when impacting the ground.
2. The electrostatic discharge device for a helicopter of claim 1, wherein said electrostatic discharge device comprises a steel pipe and steel sleeves respectively sleeved at two ends of said steel pipe in an axially movable manner, said steel sleeves being detachably connected with said hook base by a thread.
3. The electrostatic discharge device for the helicopter of claim 2, wherein the unhooking device comprises a connecting rod and a hook claw hinged to the connecting rod, the connecting rod penetrates through one steel sleeve and then is connected with the steel pipe, the connecting seat is provided with a connecting part, and the side wall of the connecting part is provided with a hook claw groove in matched connection with the hook claw.
4. The electrostatic discharge apparatus for a helicopter of claim 3 wherein said hook base is further connected to an axially movable release bolt that pushes said hook to rotate out of said hook slot when moving axially.
5. The electrostatic discharge apparatus for a helicopter of claim 1 further comprising a spring, both ends of said spring respectively bearing against said connection seat and said hook seat.
6. The electrostatic discharge apparatus for a helicopter of claim 5, wherein said connection seat or said hook seat is provided with a limit post, and said spring is sleeved on said limit post.
7. The electrostatic discharge apparatus for a helicopter of claim 1, wherein said connection base and said hanger base are configured to be removably connected by a plurality of connection bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022273136.3U CN213262937U (en) | 2020-10-13 | 2020-10-13 | Electrostatic discharge device for helicopter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022273136.3U CN213262937U (en) | 2020-10-13 | 2020-10-13 | Electrostatic discharge device for helicopter |
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| Publication Number | Publication Date |
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| CN213262937U true CN213262937U (en) | 2021-05-25 |
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| CN202022273136.3U Active CN213262937U (en) | 2020-10-13 | 2020-10-13 | Electrostatic discharge device for helicopter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112109908A (en) * | 2020-10-13 | 2020-12-22 | 航宇救生装备有限公司 | Electrostatic discharge device for helicopter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112109908A (en) * | 2020-10-13 | 2020-12-22 | 航宇救生装备有限公司 | Electrostatic discharge device for helicopter |
| CN112109908B (en) * | 2020-10-13 | 2024-09-10 | 航宇救生装备有限公司 | Electrostatic discharge device for helicopter |
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