CN211810196U

CN211810196U - Locking device and aircraft

Info

Publication number: CN211810196U
Application number: CN201922103416.7U
Authority: CN
Inventors: 王占军; 陈丰华
Original assignee: Xi'an Jingdong Tianhong Science And Technology Co ltd
Current assignee: Xi'an Jingdong Tianhong Science And Technology Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-10-30
Anticipated expiration: 2029-11-29

Abstract

The embodiment of the utility model provides a locking device and aircraft, including actuating mechanism, drive mechanism and at least one lock post; two ends of the transmission mechanism are respectively and fixedly connected with the output end of the driving mechanism and the lock cylinder; the transmission mechanism drives the lock column to do linear motion along the direction close to the structure to be locked so as to be inserted into the structure to be locked and used for locking the structure to be locked, and the transmission mechanism drives the lock column to do linear motion along the direction far away from the structure to be locked so as to be withdrawn from the structure to be locked and used for unlocking the structure to be locked. When the locking device is used for locking the control surfaces of the airplane, the locking device can be suitable for various external environments, can lock various control surfaces, is good in universality, can lock the control surfaces from the inside, is firm and not easy to loosen and slide, does not need manual direct locking, and saves labor cost.

Description

Locking device and aircraft

Technical Field

The utility model relates to a mechanical fastening technical field, concretely relates to locking device and aircraft.

Background

In various mechanical devices, it is often necessary to fix the structure, for example, when the aircraft is parked on the ground, in order to prevent the control surface from being blown by the wind, which would result in the damage of the steering system connected to the control surface, it is necessary to fix the control surface, which is usually locked by a control surface lock, which is arranged inside the aircraft and directly connected to the control surface according to the relevant specifications. At present, the rudder surface lock is usually in a rudder surface clamp form.

In the process of implementing the present invention, the inventor finds that there are at least the following problems in the prior art: the control surface lock in the form of the control surface clamp can only lock the control surface from the outside, is not firm in locking, is easy to loosen and slide after long-term use, is only suitable for locking a small control surface with a simple cross section in a windless or small wind environment, is difficult to realize the universality of various control surfaces, is poor in interchangeability, needs manual participation for fixing, and increases the labor cost.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a locking device and aircraft to solve among the prior art rudder face lock of rudder face clamp form and can only lock the rudder face from the outside, its locking is insecure, and long-term use is easily pine smooth, only is applicable to no wind or little wind environment in addition and locks the little rudder face of simple cross section, is difficult to realize the general to all kinds of rudder faces, and interchangeability is relatively poor, needs artifical participation fixed simultaneously, has increased the problem of human cost.

In order to achieve the above object, an embodiment of the present invention provides a locking device, which includes a driving mechanism, a transmission mechanism and at least one lock cylinder; two ends of the transmission mechanism are respectively and fixedly connected with the output end of the driving mechanism and the lock cylinder; the transmission mechanism drives the lock column to do linear motion along the direction close to the structure to be locked so as to be inserted into the structure to be locked and used for locking the structure to be locked, and the transmission mechanism drives the lock column to do linear motion along the direction far away from the structure to be locked so as to be withdrawn from the structure to be locked and used for unlocking the structure to be locked.

Optionally, in the above locking device, the transmission mechanism includes a screw rod and a screw block, the screw rod is fixedly connected to the output end of the driving mechanism, the screw rod is connected to the screw block through a screw pair, and the screw block is fixedly connected to the lock cylinder.

Optionally, the locking device further includes a cross beam, the lock cylinder is disposed on the cross beam, and the cross beam is fixedly connected to the transmission mechanism; the transmission mechanism drives the cross beam and the lock column to synchronously move linearly along the direction close to or far away from the structure to be locked.

Optionally, the locking device further includes a hinge shaft, the hinge shaft is provided with a first shaft hole, and the hinge shaft is fixedly disposed in the structure to be locked; the lock cylinder moves linearly along the direction close to the structure to be locked so as to penetrate through the structure to be locked and be inserted into the first shaft hole, and the lock cylinder is used for fixing the structure to be locked; the lock cylinder moves linearly along the direction far away from the structure to be locked so as to exit from the first shaft hole and the structure to be locked, and is used for unlocking the structure to be locked.

Optionally, the locking device further includes a fine adjustment mechanism, and the fine adjustment mechanism is disposed at a joint of the lock cylinder and the cross beam and used for adjusting a position of the lock cylinder.

Optionally, the locking device further includes an adjusting member, the cross beam is provided with a mounting hole, and the cross beam is connected to the lock cylinder through the mounting hole; a plurality of first through holes are formed in the beam along the circumferential direction of the mounting hole, and the adjusting piece penetrates through the first through holes to be in contact with the lock cylinder and is used for adjusting the position of the lock cylinder.

Optionally, in the locking device, a stepped boss is formed on the lock cylinder, and the adjusting member passes through the first through hole and contacts with the stepped boss.

Optionally, in the above locking device, the driving mechanism includes a motor and a speed reducer, an output end of the motor is fixedly connected to an input end of the speed reducer, and an output end of the speed reducer is fixedly connected to the transmission mechanism.

Alternatively, in the above locking device, the speed reducer is a planetary gear mechanism.

Optionally, in the locking device, the locking device further includes a first bracket and a second bracket, the first bracket is rotatably connected to the screw, and the second bracket is fixedly connected to the driving mechanism.

In order to achieve the above object, an embodiment of the present invention provides an aircraft, including a locking device provided by an embodiment of the present invention.

Optionally, the aircraft further comprises an airfoil and a control surface, the airfoil is rotatably connected with the control surface, and the locking device is mounted in the airfoil through the first bracket and the second bracket; the lock column moves linearly along the direction close to the control surface to be inserted into the control surface and is used for locking the control surface; the lock column moves linearly along the direction far away from the control surface to exit from the control surface, and is used for unlocking the control surface.

According to the technical scheme of the utility model, an embodiment in the above-mentioned utility model has following advantage or beneficial effect: the two ends of the transmission mechanism are respectively and fixedly connected with the output end of the driving mechanism and the lock cylinder, and the transmission mechanism can finally convert the rotation output by the driving mechanism into linear motion so as to drive the lock cylinder to do linear motion. The lock cylinder locks or unlocks the structure to be locked by inserting or withdrawing the lock cylinder into the structure to be locked, the locking mode is firm and not easy to loosen and slide, manual direct locking is not needed, and labor cost is saved. When the locking device is used for locking the rudder surface of an airplane, the locking device is fixedly arranged in the airfoil surface of the airplane, when the airplane is parked on the ground and the rudder surface needs to be locked, the driving mechanism is started to enable the driving mechanism to start working, the driving mechanism transmits power to the transmission mechanism, the transmission mechanism converts the rotation of the driving mechanism into linear motion to drive the lock column to do linear motion along the direction close to the rudder surface until the lock column is inserted into the rudder surface, and then the driving mechanism stops working, so that the locking of the rudder surface is completed. Before the airplane is ready to take off, the control surface needs to be unlocked, the driving mechanism is enabled to run reversely by starting the driving mechanism, at the moment, the transmission mechanism drives the lock column to do linear motion along the direction far away from the control surface, the lock column is enabled to exit from the control surface, then the driving mechanism is enabled to stop working, and therefore unlocking of the control surface is completed. When the locking device is used for locking the control surfaces of the airplane, the locking device can be suitable for various external environments, can lock various control surfaces, is good in universality, can lock the control surfaces from the inside, is firm and not easy to loosen and slide, does not need manual direct locking, and saves labor cost.

Further effects of the above-mentioned non-conventional alternatives will be described below in connection with the embodiments.

Drawings

The accompanying drawings are included to provide a better understanding of the present invention and are not intended to constitute an undue limitation on the invention. Wherein:

fig. 1 is a schematic structural diagram of an embodiment of a locking device according to the present invention;

fig. 2 is a schematic structural view of a screw rod according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a screw block according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a cross beam according to an embodiment of the present invention;

FIG. 5 is a schematic view of a hinge shaft of an embodiment of the locking device of the present invention;

FIG. 6 is a schematic view of a locking device according to an embodiment of the present invention showing a locked state of a hinge shaft;

fig. 7 is a schematic structural view illustrating an unlocked state of a hinge shaft according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a lock cylinder according to an embodiment of the present invention;

fig. 9 is a partial sectional view of an embodiment of a locking device of the present invention, taken along line a-a;

fig. 10 is a schematic structural view of an annular gear of an embodiment of the locking device of the present invention;

fig. 11 is a schematic structural view of a first planet carrier according to an embodiment of the present invention;

fig. 12 is a schematic structural view of a planetary wheel column according to an embodiment of the present invention;

fig. 13 is a schematic structural diagram of a second planet carrier according to an embodiment of the present invention;

fig. 14 is a schematic structural view of a motor according to an embodiment of the present invention;

fig. 15 is a schematic structural view of a first bracket according to an embodiment of the present invention;

fig. 16 is a schematic structural view of a second bracket according to an embodiment of the present invention;

fig. 17 is a schematic diagram of a transmission of an embodiment of a locking device of the present invention;

fig. 18 is a schematic view of an embodiment of a locking device of the present invention installed on an aircraft.

Wherein the figures include the following reference numerals:

1-drive mechanism, 10-wing, 11-motor, 111-output shaft gear, 112-vertical plane, 113-third threaded hole, 114-fourth threaded hole, 12-reducer, 121-ring gear, 1211-inner gear, 1212-blind hole, 1213-counter bore, 1214-first recess, 1215-first boss wall, 122-first planet carrier, 1221-first inner bore wall, 1222-third through hole, 1223-rectangular recess, 1224-second boss wall, 123-planet wheel, 124-planet wheel column, 1241-second recess, 1242-first smooth wall, 1243-third recess, circlip for 125-shaft, 126-first bearing, 127-second planet carrier, 1271-second inner bore wall, 1272-outer gear, 1273-second smooth wall surface, 128-sealing ring, 129-second bearing, 2-transmission mechanism, 20-control surface, 21-screw rod, 211-first rectangular key, 212-first threaded hole, 213-first boss smooth surface, 214-second boss smooth surface, 22-screw block, 221-first internal threaded through hole, 222-second threaded hole, 3-lock column, 31-step boss, 32-raised head thread, 33-smooth surface, 4-structure to be locked, 5-cross beam, 51-mounting hole, 52-first through hole, 53-second through hole, 54-right-angle plane, 6-hinge shaft, 61-first shaft hole, 7-fine adjustment mechanism, 8-adjustment member, 91-first bracket, 911-sixth through hole, 912-seventh through hole, 913-smooth surface, 92-second bracket, 921-vertical wall surface, 922-fourth through hole, 923-fifth through hole, 94-threaded locking pin, 95-countersunk screw, 96-pin.

Detailed Description

Exemplary embodiments of the invention are described below with reference to the accompanying drawings, in which various details of embodiments of the invention are included to assist understanding, and which are to be considered exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

As shown in fig. 1, an embodiment of the present invention provides a locking device, which includes a driving mechanism 1, a transmission mechanism 2, and at least one lock cylinder 3; two ends of the transmission mechanism 2 are respectively and fixedly connected with the output end of the driving mechanism 1 and the lock cylinder 3; the transmission mechanism 2 drives the lock cylinder 3 to do linear motion along the direction close to the structure 4 to be locked so as to be inserted into the structure 4 to be locked, and is used for locking the structure 4 to be locked, and the transmission mechanism 2 drives the lock cylinder 3 to do linear motion along the direction far away from the structure 4 to be locked so as to exit the structure 4 to be locked and is used for unlocking the structure 4 to be locked.

The embodiment of the utility model provides an among the locking device, drive mechanism 2's both ends respectively with actuating mechanism 1's output and 3 fixed connection of lock cylinder, drive mechanism 2 can finally turn into linear motion with the rotation of actuating mechanism 1 output to drive lock cylinder 3 and be linear motion. The locking column 3 is inserted into or withdrawn from the structure 4 to be locked to lock or unlock the structure 4 to be locked, the number of the locking column 3 is at least one, the number of the locking column 3 can be different according to the size of the structure 4 to be locked, the locking columns 3 in different numbers are selected, the locking mode is firm and not easy to loosen and slide, manual direct locking is not needed, and labor cost is saved. When the structure 4 to be locked needs to be locked, the driving mechanism 1 is started to enable the driving mechanism 1 to start working, the driving mechanism 1 transmits power to the transmission mechanism 2, the transmission mechanism 2 converts the rotation of the driving mechanism 1 into linear motion to drive the lock cylinder 3 to do linear motion along the direction close to the structure 4 to be locked, the lock cylinder 3 is inserted into the structure 4 to be locked, then the driving mechanism 1 stops working, and therefore the structure 4 to be locked is locked. When the structure 4 to be locked needs to be unlocked, the driving mechanism 1 is started, the driving mechanism 1 runs in the reverse direction, at the moment, the transmission mechanism 2 drives the lock column 3 to do linear motion along the direction far away from the structure 4 to be locked, the lock column 3 is made to exit from the structure 4 to be locked, then the driving mechanism 1 stops working, and therefore the unlocking of the structure 4 to be locked is completed. When the locking device is used for locking the rudder surface of an airplane, the locking device is fixedly installed in the airfoil surface of the airplane, when the airplane is parked on the ground and the rudder surface needs to be locked, the driving mechanism 1 is started to enable the driving mechanism 1 to start working, the driving mechanism 1 transmits power to the transmission mechanism 2, the transmission mechanism 2 converts the rotation of the driving mechanism 1 into linear operation to drive the lock column 3 to do linear motion along the direction close to the rudder surface until the lock column 3 is inserted into the rudder surface, and then the driving mechanism 1 stops working, so that the locking of the rudder surface is completed. Before the airplane is ready to take off, the locking of the control surface needs to be released, the driving mechanism 1 is enabled to run reversely by starting the driving mechanism 1, at the moment, the transmission mechanism 2 drives the lock column 3 to do linear motion along the direction far away from the control surface, the lock column 3 is enabled to withdraw from the control surface, then the driving mechanism 1 is enabled to stop working, and the unlocking of the control surface is completed. When the locking device is used for locking the control surfaces of the airplane, the locking device can be suitable for various external environments, can lock various control surfaces, is good in universality, can lock the control surfaces from the inside, is firm and not easy to loosen and slide, does not need manual direct locking, and saves labor cost.

Optionally, in the locking device provided in the embodiment of the present invention, the number of the lock cylinders 3 is at least one. The number of the lock columns 3 can be different according to the size of the structure 4 to be locked, and the lock columns 3 can be correspondingly designed according to the size of the structure 4 to be locked, so that the universality of the lock columns 3 is realized. Optionally, the embodiment of the utility model provides an among the locking device, adopt two lock posts 3, with two fixed settings respectively in drive mechanism 2's the left and right sides of lock post 3. Optionally, in the locking device provided in the embodiment of the present invention, the shape of the lock cylinder 3 can be a cylinder, a square column or a tubular column, or a column with other shapes on the premise that the lock cylinder can be inserted into the structure 4 to be locked. Optionally, in order to facilitate the processing, the locking is firm, in the utility model provides an among the locking device, the shape of lock cylinder 3 adopts solid cylindrical.

As shown in fig. 1-3, in the embodiment of the present invention, the transmission mechanism 2 includes a screw rod 21 and a screw block 22, the screw rod 21 is fixedly connected to the output end of the driving mechanism 1, the screw rod 21 and the screw block 22 are connected by a screw pair, and the screw block 22 is fixedly connected to the lock cylinder 3. Through designing drive mechanism 2 for the screw thread pair transmission that screw rod 21 and spiral shell piece 22 constitute, can be with the linear motion of the conversion spiral shell piece 22 of screw rod 21, the transmission mode simple structure of this structure is convenient for install. The screw 21 is fixedly connected with the output end of the driving mechanism 1, the screw block 22 is fixedly connected with the lock cylinder 3, the output end of the driving mechanism 1 drives the screw 21 to rotate, the rotation of the screw 21 is converted into the linear motion of the screw block 22 through the thread pair transmission of the screw 21 and the screw block 22, and the linear motion of the screw block 22 can drive the lock cylinder 3 to do linear motion due to the fact that the screw block 22 is fixedly connected with the lock cylinder 3, and therefore locking and unlocking of the structure 4 to be locked are completed.

Optionally, in the locking device provided by the embodiment of the present invention, the structure of the screw rod 21 is as shown in fig. 2, one end of the screw rod 21 is provided with a first rectangular key 211 and a first threaded hole 212, the screw rod 21 is circumferentially and fixedly connected with the driving mechanism 1 through the first rectangular key 211, and the screw rod 21 is axially and fixedly connected with the driving mechanism 1 through the first threaded hole 212. The screw 21 is further provided with a first boss smooth surface 213 and a second boss smooth surface 214, and the screw 21 is rotatably connected with a corresponding structure through the first boss smooth surface 213 and the second boss smooth surface 214 and is used for installing the screw 21. The structure of the screw block 22 is as shown in fig. 3, a first internal thread through hole 221 is processed on the screw block 22, the first internal thread through hole 221 and the external thread of the screw rod 21 form a screw pair connection, the upper and lower surfaces of the screw block 22 are provided with second threaded holes 222, and the screw block 22 is fixedly connected with the lock cylinder 3 through the second threaded holes 222.

Optionally, the embodiment of the utility model provides an among the locking device, drive mechanism 2 turns into linear motion with the rotary motion of actuating mechanism 1's output, and then drives lock post 3 and be linear motion, and drive mechanism 2's structure can be screw rod and spiral shell piece transmission structure, or roller screw transmission structure, perhaps other can turn into linear motion's transmission structure with rotary motion.

As shown in fig. 1 and 4, the locking device provided by the embodiment of the present invention further includes a cross beam 5, the lock cylinder 3 is disposed on the cross beam 5, and the cross beam 5 is fixedly connected with the transmission mechanism 2; the transmission mechanism 2 drives the beam 5 and the lock column 3 to synchronously make linear motion along the direction close to or far away from the structure 4 to be locked. By arranging the cross beam 5 and fixedly arranging the lock cylinder 3 on the cross beam 5, the installation of the lock cylinder 3 is facilitated. Crossbeam 5 and drive mechanism 2 fixed connection, drive mechanism 2 can drive crossbeam 5 and be linear motion along being close to or keeping away from the direction of waiting to lock structure 4, owing to lock post 3 fixed mounting is in crossbeam 5, so lock post 3 can be synchronous linear motion with crossbeam 5, comes to treat to lock structure 4 and locks or unblock. Optionally, the embodiment of the utility model provides an among the locking device, when adopting a plurality of lock posts 3, for convenient fixed, a plurality of lock posts 3 are fixed the setting on crossbeam 5 parallelly, can drive a plurality of lock posts 3 through crossbeam 5 and do linear motion in step like this, accomplish locking or the unblock to locking structure 4.

Optionally, in a locking device provided by the embodiment of the present invention, as shown in fig. 3 and fig. 4, the beam 5 is processed and manufactured into a U-shaped structure, the beam 5 of this structure is convenient for fixedly connecting the lock cylinder 3 and the screw block 22 together, wherein the second through hole 53 is provided at one end of the beam 5, the second through hole 53 on the beam 5 is used in cooperation with the second threaded hole 222 on the screw block 22, optionally, the embodiment of the present invention provides a locking device, in which the hexagon socket head cap screw can be used, and the hexagon socket head cap screw is in threaded fit with the second threaded hole 222 after passing through the second through hole 53, so that the beam 5 and the screw block 22 are fixed together. Wherein, the junction with spiral shell piece 22 on crossbeam 5 is provided with right angle plane 54, and when the assembly, right angle plane 54 and the laminating of spiral shell piece 22 provide the assembly reference surface for spiral shell piece 22, can prevent that spiral shell piece 22 from taking place the drunkenness at the motion process simultaneously. Optionally, the embodiment of the utility model provides an among the locking device, adopt two lock posts 3, then corresponding two crossbeams 5 that set up are fixed respectively two crossbeams 5 with two lock posts 3 on to through hexagon socket head cap screw pass behind the second through-hole 53 with second screw hole 222 screw-thread fit, with two crossbeams 5 fixed settings respectively in the left and right sides of spiral shell piece 22.

As shown in fig. 1 and 5, the locking device provided by the embodiment of the present invention further includes a hinge shaft 6, the hinge shaft 6 is provided with a first shaft hole 61, and the hinge shaft 6 is fixedly disposed in the structure 4 to be locked; the lock cylinder 3 moves linearly in the direction close to the structure 4 to be locked to pass through the structure 4 to be locked and is inserted into the first shaft hole 61 for fixing the structure 4 to be locked; the lock cylinder 3 is linearly moved in a direction away from the structure 4 to be locked to exit out of the first shaft hole 61 and the structure 4 to be locked for unlocking the structure 4 to be locked. The hinge shaft 6 is fixedly arranged in the structure 4 to be locked, and the hinge shaft 6 is provided with the first shaft hole 61 for being matched with the lock cylinder 3 to be used for locking and unlocking the structure 4 to be locked, so that the structure 4 to be locked can be more accurately locked and unlocked, and the locking is firmer and is not easy to loosen and slide. Optionally, the embodiment of the utility model provides an among the locking device, primary shaft hole 61 is the blind hole of smooth internal surface, and for considering actual assembly demand, primary shaft hole 61 should design the clearance fit of precision such as for with lock 3 cooperation sizes, wherein for preventing to use for a long time and cause the friction excessive or rust, make lock 3 jamming, should paint a certain amount of lubricating grease or lubricating oil on primary shaft hole 61 and the lock 3 and protect. As shown in fig. 6, when the structure 4 to be locked needs to be locked, the driving mechanism 1 is started to start to work, the driving mechanism 1 drives the screw rod 21 to rotate, the screw rod 21 rotates to drive the screw block 22 to make linear motion along the direction close to the structure 4 to be locked, the screw block 22 makes linear motion to drive the cross beam 5 and the lock column 3 to make linear motion along the direction close to the structure 4 to be locked synchronously until the lock column 3 passes through the structure 4 to be locked and is inserted into the first shaft hole 61, and then the driving mechanism 1 stops working, so that the structure 4 to be locked is locked. As shown in fig. 7, when the structure 4 to be locked needs to be unlocked, the driving mechanism 1 is started to enable the driving mechanism 1 to run in the reverse direction, and similarly, the screw block 22 drives the cross beam 5 and the lock cylinder 3 to synchronously make linear motion along the direction far away from the structure 4 to be locked, so that the lock cylinder 3 exits from the first shaft hole 61 and the structure 4 to be locked, and then the driving mechanism 1 stops working, thereby completing the unlocking of the structure 4 to be locked.

As shown in fig. 1, an embodiment of the present invention provides a locking device, which further includes a fine adjustment mechanism 7, where the fine adjustment mechanism 7 is disposed at a joint of the lock cylinder 3 and the cross beam 5, and is used for adjusting a position of the lock cylinder 3. Through setting up fine setting mechanism 7 at the junction of lock 3 and crossbeam 5, can finely tune the position of lock 3 before lock 3 is fixed with crossbeam 5, the adjustment makes lock 3 freely penetrate or withdraw from and treat the corresponding hole on the locking structure 4 without the jamming, when treating that locking structure 4 internal fixation is provided with hinge pin 6, fine setting mechanism 7 can adjust and make lock 3 freely penetrate or withdraw from and treat corresponding hole and first shaft hole 61 on the locking structure 4 without the jamming, treat after the position adjustment, with lock 3 and crossbeam 5 fixed connection.

As shown in fig. 1, 4 and 8, the locking device provided in the embodiment of the present invention further includes an adjusting member 8, the cross beam 5 is provided with a mounting hole 51, and the cross beam 5 is connected to the lock cylinder 3 through the mounting hole 51; a plurality of first through holes 52 are formed in the beam 5 along the circumferential direction of the mounting hole 51, and the adjusting piece 8 penetrates through the first through holes 52 to be in contact with the lock cylinder 3 and is used for adjusting the position of the lock cylinder 3. The crossbeam 5 is provided with a mounting hole 51, the lock cylinder 3 can pass through the mounting hole 51 to be connected with the crossbeam 5, a plurality of first through holes 52 are formed in the crossbeam 5 along the circumferential direction of the mounting hole 51, and the adjusting piece 8 can pass through the first through holes 52 to be in contact with the lock cylinder 3 to adjust the position of the lock cylinder 3. The position of the lock cylinder 3 needs to be finely adjusted before the lock cylinder 3 and the cross beam 5 are fixed, the lock cylinder 3 firstly penetrates through the mounting hole 51, then the adjusting piece 8 penetrates through the first through hole 52 to be in contact with the lock cylinder 3, the position of the lock cylinder 3 is adjusted by screwing in or out the adjusting piece 8, the lock cylinder 3 can freely penetrate or withdraw from a corresponding hole and a first shaft hole 61 on the structure 4 to be locked without clamping stagnation, when the hinge shaft 6 is fixedly arranged in the structure 4 to be locked, the lock cylinder 3 can freely penetrate or withdraw from the corresponding hole and the first shaft hole 61 on the structure 4 to be locked without clamping stagnation through adjustment, and after the position is adjusted, the lock cylinder 3 and the cross beam 5 are fixedly connected. Optionally, in the locking device provided by the embodiment of the present invention, the adjusting member 8 can be a screw, and then a thread and a screw are correspondingly disposed in the first through hole 52, so that the position of the lock cylinder 3 can be finely adjusted by screwing in or screwing out the screw.

As shown in fig. 8, in the locking device provided in the embodiment of the present invention, the lock cylinder 3 is provided with a stepped boss 31, and the adjusting member 8 passes through the first through hole 52 and contacts with the stepped boss 31. Through set up ladder boss 31 with the position department of mounting hole 51 contact on lock post 3, can provide the fine setting for adjusting 8 like this and lean on the pressure face, make things convenient for adjusting 8 to adjust lock post 3, make the regulation precision higher. Optionally, the embodiment of the utility model provides an among the locking device, the one end of lock post 3 is provided with plush copper screw thread 32, with fixed mounting lock post 3, when fixed connection lock post 3 and crossbeam 5, the mounting hole 51 is passed to the one end that is provided with plush copper screw thread 32 on the lock post 3 to cooperate through nut and plush copper screw thread 32, with lock post 3 and crossbeam 5 fixed connection together. The other end of the lock cylinder 3 is designed to be a smooth surface 33, and the top end of the lock cylinder is provided with a chamfer, so that the lock cylinder 3 can be freely inserted into or withdrawn from the corresponding hole on the structure 4 to be locked and the first shaft hole 61 on the hinge shaft 6, and the structure 4 to be locked is locked or unlocked.

As shown in fig. 1, in the locking device provided in the embodiment of the present invention, the driving mechanism 1 includes a motor 11 and a speed reducer 12, an output end of the motor 11 is fixedly connected to an input end of the speed reducer 12, and an output end of the speed reducer 12 is fixedly connected to the transmission mechanism 2. By arranging the speed reducer 12, the rotating speed of the motor 11 can be reduced, and the lock cylinder 3 can be ensured to be inserted into or withdrawn from the structure 4 to be locked at a certain linear speed.

As shown in fig. 1 and 9, in the locking device according to the embodiment of the present invention, the speed reducer 12 is a planetary gear mechanism. The rotating speed of the motor 11 can be reduced according to the required rotating speed ratio by adopting the secondary planetary gear mechanism, and the speed reducer with the structure can increase the torque, and has the advantages of compact structure, small volume, light weight, large transmission ratio and high transmission efficiency. Alternatively, the embodiment of the present invention provides a locking device, in which the speed reducer 12 can be another type of speed reducer with the same function.

Optionally, in a locking device provided in an embodiment of the present invention, a structure of the planetary gear mechanism is as shown in fig. 9, and the planetary gear mechanism is composed of an inner gear ring 121, a first planet carrier 122, a planet wheel 123, a planet wheel column 124, a shaft circlip 125, a first bearing 126, a second planet carrier 127, a sealing ring 128, and a second bearing 129. The second planet carrier 127, the 3 planet wheels 123, the 3 planet wheel columns 124, the 3 first bearings 126, the 6 shaft circlips 125 which are uniformly arranged on the second planet carrier along the circumferential direction and the output shaft of the motor 11 form a first-stage planetary gear train; the first

planetary carrier

122, 3

planetary wheels

123, 3

planetary wheel columns

124, 3

first bearings

126, 6 shaft elastic retaining rings 125 and an output gear of the second planetary carrier 127 which are uniformly arranged on the first planetary carrier along the circumferential direction form a second-stage planetary gear train. Optionally, in a locking device provided by the embodiment of the present invention, including the thread locking pin 94, the output shaft end of the first planet carrier 122 is fixedly connected to the first threaded hole 212 of the screw 21 through the thread locking pin 94, wherein the sealing ring 128 can seal each internal gear.

Optionally, in the locking device provided by the embodiment of the present invention, the structure of the ring gear 121 is as shown in fig. 10, the inner teeth 1211 of the ring gear 121 and the planet gears 123 are engaged and assembled, the ring gear 121 is provided with the blind hole 1212, and the ring gear 121 is fixedly mounted through the blind hole 1212. The inner gear ring 121 is provided with a plurality of countersunk holes 1213 uniformly arranged along the axial direction, and the inner gear ring 121 is fixedly connected with the motor 11 through the countersunk holes 1213. The inner gear ring 121 is provided with a first groove 1214, the first groove 1214 is used for installing a sealing ring 128, and the sealing ring 128 can seal each internal gear. The inner gear ring 121 is provided with a first boss wall 1215, and the first boss wall 1215 is matched with the outer ring of the second bearing 129, so that the first planet carrier 122 can freely rotate around the central line thereof.

Optionally, in a locking device provided by the embodiment of the present invention, the first planet carrier 122 has a structure as shown in fig. 11, and the first inner hole wall 1221 of the first planet carrier 122 is assembled with the outer ring of the first bearing 126 for use. The first planet carrier 122 is provided with a third through hole 1222, and the threaded locking pin 94 passes through the third through hole 1222 to be threadedly fitted and fixed with the first threaded hole 212 of the screw 21, so as to fixedly connect the screw 21 with the first planet carrier. Rectangular groove 1223 is formed in the first planet carrier 122, and the screw 21 is circumferentially and fixedly connected with the rectangular groove 1223 through a rectangular key 211. The first planet carrier 122 is provided with a second boss wall 1224, and the second boss wall 1224 is assembled with the outer ring of the first bearing 126 for use, so that the planet post 124 is connected with the first planet carrier 122 through the first bearing 126, and the planet post 124 can rotate freely around the central line.

Optionally, in a locking device provided by an embodiment of the present invention, the structure of the planetary wheel column 124 is as shown in fig. 12, the two ends of the planetary wheel column 124 are provided with a second groove 1241 and a third groove 1243, the second groove 1241 and the third groove 1243 are used for assembling the corresponding shaft circlip 125, one end of the planetary wheel column 124 is fixedly connected to the first planet carrier 122 or the second planet carrier 127, and the other end of the planetary wheel column 124 is fixedly connected to the corresponding planet wheel 123. The planet post 124 is provided with a first smooth wall 1242, the first smooth wall 1242 being adapted to fit the inner surface of the first bearing 126 while ensuring that the planet post 124 is free to rotate about its rotational center.

Optionally, in the locking device provided in the embodiment of the present invention, the structure of the second planet carrier 127 is as shown in fig. 13, and the second planet carrier 127 is assembled with the outer ring of the first bearing 126 through the second inner hole wall 1271, so that the planet wheel column 124 can be connected with the second planet carrier 127 through the first bearing 126, and it can be ensured that the planet wheel column 124 can freely rotate around its rotation center. The second carrier 127 is provided with an external gear 1272, and the external gear 1272 meshes with the pinion posts 124 of the second stage planetary gear set, thereby driving each planetary gear to rotate. The second planet carrier 127 is provided with a second smooth wall surface 1273, and the second smooth wall surface 1273 is assembled with the inner surface of the first bearing 126 for use, so that the second planet carrier 127 can freely rotate around the rotation center thereof to transmit power.

Optionally, in the locking device provided by the embodiment of the present invention, the structure of the motor 11 is as shown in fig. 14, the output end of the motor 11 is provided with an output shaft gear 111, and the output shaft gear 111 is engaged with the planet gear 123 of the first-stage planetary gear train to drive each planet gear to rotate. When the motor 11 is assembled, the vertical surface 112 of the motor 11 is attached to the right side surface of the ring gear 121, so that the ring gear 121 can be limited from moving relatively in the axial direction. Evenly be provided with a plurality of third screw holes 113 on the motor 11 along radial, third screw hole 113 is used for with ring gear 121 fixed connection, can restrict ring gear 121 and motor 11 relative slip, optionally, the embodiment of the utility model provides an among the locking device, including countersunk screw 95, countersunk screw 95 passes countersunk hole 1213 on ring gear 121 and is fixed with screw hole 113 screw-thread fit, makes ring gear 121 and motor 11 fixed connection. The motor 11 is provided with a fourth threaded hole 114, and the motor 11 is fixedly mounted through the fourth threaded hole 114.

As shown in fig. 15, the embodiment of the present invention provides a locking device, including first support 91, sixth through hole 911 on first support 91 is used for installing screw 21, can make screw 21 freely rotate around its center of rotation, and is provided with smooth surface 913 in sixth through hole 911, and smooth surface 913 is used for assembling the bearing outer lane, and constitutes with screw 21 to rotate and is connected, and first support 91 is used for supporting installing screw 21.

As shown in fig. 16, an embodiment of the present invention provides a locking device, which includes a second bracket 92, wherein a vertical wall 921 of the second bracket 92 is used for fitting with an end surface of the ring gear 121 or the motor 11, and can limit the ring gear 121 or the motor 11 from moving along an axial direction thereof. The second bracket 92 is provided with a plurality of fourth through holes 922 for fixedly connecting with the ring gear 121 or the motor 11. Optionally, in the locking device provided by the embodiment of the present invention, including the pin 96, the pin 96 passes through the fourth through hole 922 and the blind hole 1212 fixed connection on the ring gear 121, so as to fixedly connect the ring gear 121 and the second bracket 92, and the pin 96 passes through the fourth through hole 922 and the fourth threaded hole 114 fixed connection on the motor 11, so as to fixedly connect the motor 11 and the second bracket 92, so as to complete the installation of the motor 11 and the speed reducer 12.

As shown in fig. 17, an embodiment of the present invention provides a locking device, and fig. 17 is the locking deviceIn the drive diagram, the motor 11 is driven at an angular speed ω_sThe output power is transmitted to the speed reducer 12, and the angular velocity omega is reduced by the speed reducer 12_sThe angular velocity is changed into the angular velocity omega and is transmitted to the screw 21, at the moment, the screw 21 rotates to drive the screw block 22 to do linear motion at the velocity v, the screw block 22 makes linear motion to further drive the cross beam 5 and the lock column 3 to do linear motion at the velocity v to insert or withdraw from the structure 4 to be locked and the hinge shaft 6, and the hinge shaft 6 is fixedly connected with the structure 4 to be locked, so that the structure 4 to be locked is locked or unlocked.

The embodiment of the utility model provides an aircraft, include the embodiment of the utility model provides a locking device.

As shown in fig. 1 and 18, an aircraft provided by an embodiment of the present invention further includes a wing 10 and a control surface 20, the wing 10 is rotatably connected to the control surface 20, and a locking device is installed in the wing 10 through a first bracket 91 and a second bracket 92; the lock cylinder 3 moves linearly in the direction close to the control surface 20 to be inserted into the control surface 20 for locking the control surface 20; the lock cylinder 3 is moved linearly in a direction away from the control surface 20 to exit into the control surface 20 for unlocking the control surface 20. A seventh through hole 912 is formed in the first bracket 91, a fifth through hole 923 is formed in the second bracket 92, and the locking device is installed in the wing 10 through the seventh through hole 912 and the fifth through hole 923. When the airplane is parked on the ground and the control surface 20 needs to be locked, the motor 11 is started to enable the motor 11 to start working, power output by the motor 11 is transmitted to the screw 21 through the speed reducer 12, at the moment, the screw 21 rotates to drive the screw block 22 to do linear motion, the screw block 22 makes linear motion to further drive the cross beam 5 and the lock column 3 to do linear motion synchronously, the lock column 3 is driven to move along the direction close to the control surface 20 until the lock column 3 is inserted into the control surface 20 and the first shaft hole 61, then the motor 11 stops working, and therefore locking of the control surface 20 is completed. Before the aircraft is ready to take off, the control surface 20 needs to be unlocked, the motor 11 is started to enable the motor 11 to run reversely, similarly, the lock column 3 is enabled to do linear motion along the direction far away from the control surface 20 through the transmission of the screw rod 21 and the screw block 22 until the lock column 3 exits from the first shaft hole 61 and the control surface 20, then the motor 11 stops working, and the unlocking of the control surface 20 is completed. When using this locking device to lock rudder face 20, this locking device can be applicable to various external environment, can lock all kinds of rudder faces 20, and the commonality is good, can lock rudder face 20 from inside in addition, and the locking is firm difficult loose smooth, and this locking device does not need artifical direct locking simultaneously, the cost of using manpower sparingly.

Optionally, the embodiment of the utility model provides an in locking device and aircraft, the fixed mode between each part, on satisfying its function basis, can replace, for example bolted connection can be replaced by the welding. Meanwhile, the socket head cap screws, the countersunk head screws, the pins, the bearings and the like in the locking device can be replaced by different types.

Use this locking device to lock the control plane on freight transportation unmanned aerial vehicle wing below as an example, explain the utility model discloses a locking device's use that the embodiment provided.

As shown in fig. 1 and 18, when the locking device is used, the number of the locking devices and the number of the lock posts 3 in the locking devices can be selected according to the size of the control surface of the wing, and in the embodiment, one locking device and two lock posts 3 in the locking device are adopted. Firstly, the first support 91 and the second support 92 are respectively fixed to the inside of the wing 10 of the cargo unmanned aerial vehicle through the seventh through hole 912 and the fifth through hole 923, and the first support and the second support can be fixed by adopting hexagon socket head cap screws to be respectively matched with the seventh through hole 912 and the fifth through hole 923, so that the hinge shaft 6 is correspondingly fixedly installed in the control surface 20, and holes are formed in the corresponding positions of the control surface 20, so that the lock cylinder 3 can be conveniently inserted or withdrawn, and the installation of the locking device is completed. When the airplane is parked on the ground and the control surface 20 needs to be locked, the motor 11 is started to enable the motor 11 to start working, power output by the motor 11 is transmitted to the screw 21 through the speed reducer 12, at the moment, the screw 21 rotates to drive the screw block 22 to do linear motion, the screw block 22 makes linear motion to further drive the cross beam 5 and the lock column 3 to do linear motion synchronously, the lock column 3 is driven to move along the direction close to the control surface 20 until the lock column 3 is inserted into the control surface 20 and the first shaft hole 61, then the motor 11 stops working, and therefore locking of the control surface 20 is completed. Before the aircraft is ready to take off, the control surface 20 needs to be unlocked, the motor 11 is started to enable the motor 11 to run reversely, similarly, the lock column 3 is enabled to do linear motion along the direction far away from the control surface 20 through the transmission of the screw rod 21 and the screw block 22 until the lock column 3 exits from the first shaft hole 61 and the control surface 20, then the motor 11 stops working, and the unlocking of the control surface 20 is completed. When the locking device is used for locking the control surfaces, the locking device can be suitable for various external environments, can lock various control surfaces, is good in universality, can lock the control surfaces from the inside, is firm and not easy to loosen and slide, does not need manual direct locking, and saves labor cost.

Therefore, the embodiment of the utility model provides an among the locking device, drive mechanism 2's both ends respectively with actuating mechanism 1's output and lock 3 fixed connection of post, drive mechanism 2 can finally turn into linear motion with the rotation of actuating mechanism 1 output to drive lock 3 and be linear motion. The locking column 3 is inserted into or withdrawn from the structure 4 to be locked to lock or unlock the structure 4 to be locked, the number of the locking column 3 is at least one, the number of the locking column 3 can be different according to the size of the structure 4 to be locked, the locking columns 3 in different numbers are selected, the locking mode is firm and not easy to loosen and slide, manual direct locking is not needed, and labor cost is saved. When the structure 4 to be locked needs to be locked, the driving mechanism 1 is started to enable the driving mechanism 1 to start working, the driving mechanism 1 transmits power to the transmission mechanism 2, the transmission mechanism 2 converts the rotation of the driving mechanism 1 into linear motion to drive the lock cylinder 3 to do linear motion along the direction close to the structure 4 to be locked, the lock cylinder 3 is inserted into the structure 4 to be locked, then the driving mechanism 1 stops working, and therefore the structure 4 to be locked is locked. When the structure 4 to be locked needs to be unlocked, the driving mechanism 1 is started, the driving mechanism 1 runs in the reverse direction, at the moment, the transmission mechanism 2 drives the lock column 3 to do linear motion along the direction far away from the structure 4 to be locked, the lock column 3 is made to exit from the structure 4 to be locked, then the driving mechanism 1 stops working, and therefore the unlocking of the structure 4 to be locked is completed. When the locking device is used for locking the rudder surface of an airplane, the locking device is fixedly installed in the airfoil surface of the airplane, when the airplane is parked on the ground and the rudder surface needs to be locked, the driving mechanism 1 is started to enable the driving mechanism 1 to start working, the driving mechanism 1 transmits power to the transmission mechanism 2, the transmission mechanism 2 converts the rotation of the driving mechanism 1 into linear operation to drive the lock column 3 to do linear motion along the direction close to the rudder surface until the lock column 3 is inserted into the rudder surface, and then the driving mechanism 1 stops working, so that the locking of the rudder surface is completed. Before the airplane is ready to take off, the locking of the control surface needs to be released, the driving mechanism 1 is enabled to run reversely by starting the driving mechanism 1, at the moment, the transmission mechanism 2 drives the lock column 3 to do linear motion along the direction far away from the control surface, the lock column 3 is enabled to withdraw from the control surface, then the driving mechanism 1 is enabled to stop working, and the unlocking of the control surface is completed. When the locking device is used for locking the control surfaces, the locking device can be suitable for various external environments, can lock various control surfaces, is good in universality, can lock the control surfaces from the inside, is firm and not easy to loosen and slide, does not need manual direct locking, and saves labor cost.

The above detailed description does not limit the scope of the present invention. Those skilled in the art will appreciate that various modifications, combinations, sub-combinations, and substitutions can occur, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A locking device, characterized by comprising a drive mechanism (1), a transmission mechanism (2) and at least one lock cylinder (3);

two ends of the transmission mechanism (2) are respectively and fixedly connected with the output end of the driving mechanism (1) and the lock cylinder (3);

drive mechanism (2) drive lock post (3) are linear motion along the direction that is close to waiting to lock structure (4) in order to insert wait to lock structure (4) in, be used for locking wait to lock structure (4), drive mechanism (2) drive lock post (3) are linear motion along keeping away from wait to lock the direction of structure (4) in order to withdraw from wait to lock in the structure (4), be used for the unblock wait to lock structure (4).

2. The locking device according to claim 1, characterized in that the transmission mechanism (2) comprises a screw (21) and a screw block (22), the screw (21) is fixedly connected with the output end of the driving mechanism (1), the screw (21) and the screw block (22) are in threaded pair connection, and the screw block (22) is fixedly connected with the lock cylinder (3).

3. The locking device according to claim 1, characterized by further comprising a cross beam (5), wherein the lock cylinder (3) is arranged on the cross beam (5), and the cross beam (5) is fixedly connected with the transmission mechanism (2);

the transmission mechanism (2) drives the cross beam (5) and the lock cylinder (3) to synchronously move linearly along the direction close to or far away from the structure (4) to be locked.

4. The locking device according to claim 1, further comprising a hinge shaft (6), wherein a first shaft hole (61) is formed in the hinge shaft (6), and the hinge shaft (6) is fixedly arranged in the structure to be locked (4);

the lock cylinder (3) moves linearly along the direction close to the structure (4) to be locked so as to penetrate through the structure (4) to be locked and be inserted into the first shaft hole (61) for fixing the structure (4) to be locked;

the lock cylinder (3) moves linearly along the direction far away from the structure (4) to be locked so as to exit from the first shaft hole (61) and the structure (4) to be locked, and is used for unlocking the structure (4) to be locked.

5. A locking arrangement as claimed in claim 3, further comprising a fine adjustment mechanism (7), the fine adjustment mechanism (7) being provided at the junction of the lock cylinder (3) and the cross beam (5) for adjusting the position of the lock cylinder (3).

6. The locking device according to claim 3, further comprising an adjusting member (8), wherein the cross beam (5) is provided with a mounting hole (51), and the cross beam (5) is connected with the lock cylinder (3) through the mounting hole (51);

a plurality of first through holes (52) are formed in the beam (5) along the circumferential direction of the mounting hole (51), and the adjusting piece (8) penetrates through the first through holes (52) to be in contact with the lock cylinder (3) and is used for adjusting the position of the lock cylinder (3).

7. The locking device according to claim 6, characterized in that the lock cylinder (3) is provided with a step boss (31), and the adjusting member (8) passes through the first through hole (52) and contacts with the step boss (31).

8. Locking device according to claim 1, characterized in that the drive mechanism (1) comprises a motor (11) and a speed reducer (12), the output of the motor (11) being fixedly connected to the input of the speed reducer (12), the output of the speed reducer (12) being fixedly connected to the transmission mechanism (2).

9. Locking device according to claim 8, characterized in that said reducer (12) is a planetary gear mechanism.

10. The locking device according to claim 2, characterized in that it further comprises a first bracket (91) and a second bracket (92), said first bracket (91) being rotatably connected to said screw (21), said second bracket (92) being fixedly connected to said drive mechanism (1).

11. An aircraft, characterized in that it comprises a locking device according to any one of claims 1-10.

12. The aircraft of claim 11, further comprising an airfoil (10) and a control surface (20), the airfoil (10) and the control surface (20) being rotatably connected, the locking device being mounted in the airfoil (10) by a first bracket (91) and a second bracket (92);

the lock cylinder (3) moves linearly along the direction close to the control surface (20) to be inserted into the control surface (20) for locking the control surface (20);

the lock cylinder (3) moves linearly in a direction away from the control surface (20) to exit the control surface (20) for unlocking the control surface (20).