Driving locking device and navigation equipment

Abstract

The utility model provides a drive locking device and navigation equipment wherein the drive locking device comprises: a slide rail which is provided with a sliding surface, the sliding surface is oppositely provided with a first end and a second end in its length direction, the first end is provided with a first stop dog which can stretch out and draw back relative to the sliding surface, and the second end is provided with a second stop dog which can stretch out and draw back relative to the sliding surface; the second baffle block can stretch relative to the sliding surface; the carrier is arranged on the sliding rail, the carrier can move in the length direction of the sliding face, and a first stop groove used for containing the first check block and a second stop groove used for containing the second check block are formed in the carrier; the shaft body is arranged on the carrier, the shaft body can rotate around the axis of the shaft body, and the shaft body is provided with a first stop surface used for limiting the first stop block and a second stop surface used for corresponding to the second stop block; and the power unit is connected with the shaft body and can drive the shaft body to rotate, so that the shaft body is switched between the first angle and the second angle. By the adoption of the technical scheme, the automation degree of the locking device of the steering engine is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of navigation equipment, more specifically, relate to a drive locking device and navigation equipment. BACKGROUND

[0002] The steering engine is a kind of position (angle) servo driver, and is suitable for the control system needing angle to change continuously and can be kept.The steering engine can be applied in navigation equipment, for example unmanned ship;The steering engine for ship is mostly electro-hydraulic type, i.e. hydraulic equipment is remotely controlled by electric equipment. There are two types: one is reciprocating plunger type steering engine, and its principle is to convert high and low pressure oil to do work to generate linear motion, and to convert into rotary motion by rudder handle. The other is rotary vane type steering engine, and its principle is that high and low pressure oil acts on rotor directly, small in size and high in efficiency, but high in cost.

[0003] The steering engine needs to be locked when switching to the preset direction, however, the locking device of the existing steering engine cannot be automatically locked and unlocked, and the degree of automation is low. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a drive locking device and navigation equipment to solve the technical problem of low degree of automation of the locking device of the steering engine in prior art.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme that:

[0006] Firstly, a drive locking device is provided, comprising:

[0007] Slide rail, provided with sliding surface, first end and second end are relatively provided on the sliding surface in the length direction of itself, the first end is provided with first stop block, the first stop block can be telescopic relative to the sliding surface, the second end is provided with second stop block, the second stop block can be telescopic relative to the sliding surface;

[0008] Carrier, provided on the slide rail, the carrier can move along the length direction of the sliding surface, the carrier is provided with first stop groove for accommodating the first stop block and second stop groove for accommodating the second stop block;

[0009] Shaft body, provided on the carrier, the shaft body can rotate around its axis, the shaft body is provided with first stop surface for limiting the first stop block and second stop surface for corresponding the second stop block;

[0010] Power unit, connected with the shaft body and can drive the shaft body to rotate, so that the shaft body switches between first angle and second angle;

[0011] The first stop surface is in a stop state when the shaft body rotates to a first angle, and the first stop surface can stop the first block from being clamped into the first stop groove; the first stop surface is in a release state when the shaft body rotates to a second angle, and the first stop surface can drive the first block to retract into the sliding surface; the second stop surface is in a stop state when the shaft body rotates to the second angle, and the second stop surface can stop the second block from being clamped into the second stop groove; and the second stop surface is in a release state when the shaft body rotates to the first angle, and the second stop surface can drive the second block to retract into the sliding surface.

[0012] By adopting the technical scheme, the automation degree of the locking device of the steering engine is improved.

[0013] In an embodiment, the carrier is further provided with a first limiting groove and a second limiting groove, and the shaft body is provided with a first boss and a second boss on the circumferential surface. The first boss abuts against the groove wall of the first limiting groove when the shaft body rotates to a first angle, so as to limit the shaft body at the first angle. The second boss abuts against the groove wall of the second limiting groove when the shaft body rotates to a second angle, so as to limit the shaft body at the second angle.

[0014] By adopting the technical scheme, the first boss and the second boss can limit the shaft body at the first angle and the second angle, so that the first stop surface and the second stop surface on the shaft body are well matched with the first block and the second block.

[0015] In an embodiment, the first block is provided with a first abutting straight surface and a first abutting inclined surface. The first abutting straight surface is arranged perpendicularly to the sliding surface, and the first abutting inclined surface is arranged obliquely relative to the sliding surface. The first stop surface is perpendicular to the sliding surface when the shaft body rotates to the first angle, and the first stop surface and the first abutting straight surface can limit each other. The first stop surface is oblique relative to the sliding surface when the shaft body rotates to the second angle, and the first stop surface can drive the first block to retract into the sliding surface.

[0016] By adopting the technical scheme, the first block can extend out of or retract into the sliding surface according to the moving direction of the carrier.

[0017] In one embodiment, the second block is provided with a second abutting straight surface and a second abutting inclined surface, the second abutting straight surface is arranged perpendicularly to the sliding surface, the second abutting inclined surface is arranged obliquely to the sliding surface, the second stop surface is oblique to the sliding surface when the shaft body rotates to the first angle, and the second stop surface can drive the second block to retract into the sliding surface; the second stop surface is perpendicular to the sliding surface when the shaft body rotates to the first angle, and the second stop surface and the second abutting straight surface can limit each other.

[0018] By adopting the technical scheme, the second block can extend or retract into the sliding surface according to the moving direction of the carrier.

[0019] In one embodiment, the slide rail defines a first sliding direction and a second sliding direction parallel to the length direction of the slide rail, the first sliding direction is from the first end to the second end, the second sliding direction is from the second end to the first end, the first abutting straight surface is located on one side of the first block facing the first end, and the first abutting inclined surface is located on one side of the first block facing the second end; the second abutting straight surface is located on one side of the second block facing the second end, and the second abutting inclined surface is located on one side of the second block facing the first end.

[0020] By adopting the technical scheme, the carrier can be limited when moving to the first end and the second end, and the power unit needs to move in a preset direction to drive the carrier to move, so that the stability of the carrier operation is high.

[0021] In one embodiment, the carrier is provided with a pressing surface opposite to the sliding surface, and the pressing surface is used to drive the first block and the second block to retract into the sliding surface.

[0022] By adopting the technical scheme, the carrier can drive the first block and the second block to retract into the sliding surface.

[0023] In one embodiment, the carrier is further provided with a connecting mechanism used to connect with a transmission mechanism of a rudder.

[0024] By adopting the technical scheme, the connecting mechanism is conducive to the connection between the carrier and the rudder.

[0025] In one embodiment, the driving locking device further includes a connecting rod connecting the power unit and the shaft body, and the connecting rod is in transmission connection with the power unit and the shaft body.

[0026] By adopting the technical scheme, the connecting rod is conducive to the connection between the power unit and the shaft body.

[0027] In one embodiment, the connecting rod comprises a first rod body, a second rod body and a telescopic rod, the first rod body is arranged on the shaft body and extends in the radial direction, the second rod body connects the movable end of the first rod body and the movable end of the telescopic rod, and the telescopic rod is connected with the power unit.

[0028] By adopting the technical scheme, the connecting rod has a simple structure.

[0029] In a second aspect, a navigation device is provided, comprising a navigation device body, a steering engine and the driving locking device described above, the driving locking device connecting the steering engine and the navigation device body.

[0030] By adopting the technical scheme, the navigation device has the advantages of high automation degree on the basis of the advantages of the driving locking device. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0032] Figure 1 is a perspective view of the driving locking device from another viewing angle.

[0033] Figure 2 is a perspective view of the driving locking device from another viewing angle.

[0034] Figure 3 is Figure 2 is an enlarged view of "A" in

[0035] Figure 4 is Figure 1 is an enlarged view of "B" in

[0036] Figure 5 is Figure 2 is an enlarged view of "C" in

[0037] The reference signs in the drawings are as follows:

[0038] 1, slide rail; 2, carrier; 3, shaft body; 4, power unit; 5, connecting rod;

[0039] 10, sliding surface; 101, first end; 102, second end; 11, first stop block; 12, second stop block; 21, first stop groove; 22, second stop groove; 31, first stop surface; 32, second stop surface; 23, first limiting groove; 24, second limiting groove; 33, first boss; 34, second boss; 111, first abutting straight surface; 112, first abutting inclined surface; 121, second abutting straight surface; 122, second abutting inclined surface; X, first sliding direction; Y, second sliding direction; 25, connecting mechanism; 51, first rod body; 52, second rod body; 53, telescopic rod. DETAILED DESCRIPTION

[0040] In order to make the technical problems, technical solutions and beneficial effects of the utility model clearer, the utility model will be described in further detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and do not limit the utility model.

[0041] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected or indirectly connected to the other element.

[0042] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model, and do not indicate that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0043] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating relative importance or indicating the number of technical features. In the description of the utility model, the meaning of "a plurality of" is two or more than two, unless otherwise specifically limited. The specific implementation of the utility model will be described in more detail below in combination with specific embodiments:

[0044] As shown in Figure 1 and Figure 2 The utility model embodiment provides a drive locking device, which comprises:

[0045] The slide rail 1 is provided with a sliding surface 10, the sliding surface 10 is oppositely provided with a first end 101 and a second end 102 in the length direction of the sliding surface 10, the first end 101 is provided with a first stop block 11, the first stop block 11 can be extended and retracted relative to the sliding surface 10, the second end 102 is provided with a second stop block 12, the second stop block 12 can be extended and retracted relative to the sliding surface 10;

[0046] The carrier 2 is arranged on the slide rail 1, the carrier 2 can move along the length direction of the sliding surface 10, the carrier 2 is provided with a first stop groove 21 for accommodating the first stop block 11 and a second stop groove 22 for accommodating the second stop block 12;

[0047] Please refer to Figure 3 and Figure 4 The shaft body 3 is arranged on the carrier 2, the shaft body 3 can rotate around the axis line of the shaft body 3, the shaft body 3 is provided with a first stop surface 31 for limiting the first stop block 11 and a second stop surface 32 corresponding to the second stop block 12;

[0048] The power unit 4 is connected with the shaft body 3 and can drive the shaft body 3 to rotate, so that the shaft body 3 switches between the first angle and the second angle;

[0049] The first stop surface 31 is in a stop state when the shaft body 3 rotates to the first angle, the first stop surface 31 can stop the first stop block 11 from being clamped into the first stop groove 21; the first stop surface 31 is in a release state when the shaft body 3 rotates to the second angle, the first stop surface 31 can drive the first stop block 11 to retract into the sliding surface 10; the second stop surface 32 is in a stop state when the shaft body 3 rotates to the second angle, the second stop surface 32 can stop the second stop block 12 from being clamped into the second stop groove 22; the second stop surface 32 is in a release state when the shaft body 3 rotates to the first angle, the second stop surface 32 can drive the second stop block 12 to retract into the sliding surface 10.

[0050] Here, it can be understood that the slide rail 1 refers to a component for the carrier 2 to slide; the slide rail 1 has a predetermined length, the slide rail 1 is provided with a sliding surface 10, and the carrier 2 slides on the sliding surface 10; the sliding surface 10 has opposite first and second ends 101 and 102, both of which are in the length direction of the sliding surface 10; the first end 101 is provided with a first stop block 11, and the second end 102 is provided with a second stop block 12, the first stop block 11 can be extended and retracted relative to the sliding surface 10, that is, the first stop block 11 can be extended out of the sliding surface 10, that is, the first stop block 11 protrudes out of the sliding surface 10, or retracted into the sliding surface 10, that is, the first stop block 11 is flush with the sliding surface 10; similarly, the second stop block 12 can be extended and retracted relative to the sliding surface 10, that is, the second stop block 12 can be extended out of the sliding surface 10, that is, the second stop block 12 protrudes out of the sliding surface 10, or retracted into the sliding surface 10, that is, the second stop block 12 is flush with the sliding surface 10;

[0051] The carrier 2 is a component for connecting with the connecting device of the rudder; the carrier 2 is slidably arranged on the slide rail 1, and the carrier 2 is movable along the length direction of the sliding surface 10; the carrier 2 is provided with a first stop groove 21 and a second stop groove 22; the first stop groove 21 is used for accommodating the first stop block 11, and the groove wall of the first stop groove 21 can limit the first stop block 11; the second stop groove 22 is used for accommodating the second stop block 12, and the groove wall of the second stop groove 22 can limit the second stop block 12;

[0052] The shaft body 3 is arranged on the carrier 2, and the shaft body 3 is rotatable about its own axis; the shaft body 3 is provided with a first stop surface 31 and a second stop surface 32; the first stop surface 31 is used for limiting the first stop block 11; and the second stop surface 32 is used for corresponding to the second stop block 12;

[0053] The power unit 4 is a unit for providing the rotation of the shaft body 3 and the movement of the carrier 2; the power unit 4 can be a motor; the power unit 4 is connected with the shaft body 3 and can drive the shaft body 3 to rotate, so that the shaft body 3 is switched between the first angle and the second angle; meanwhile, the power unit 4 is also used for driving the carrier 2 to move on the sliding surface 10;

[0054] The working principle of the driving and locking device provided in the embodiment is as follows:

[0055] When the power unit 4 drives the carrier 2 to move from the second end 102 to the first end 101, the carrier 2 first drives the first stop block 11 to retract into the sliding surface 10, and then the first stop block 11 is moved to the first stop groove 21 and then extends out relative to the sliding surface 10; at this time, the first stop block 11 is clamped into the first stop groove 21, and the groove wall of the first stop groove 21 limits the movement of the first stop block 11; in this way, the first stop block 11 limits the carrier 2 on the first end 101; at the same time, the power unit 4 drives the shaft body 3 to rotate to the first angle; in this way, the first stop surface 31 is in a stop state, and the first stop surface 31 can stop the first stop block 11 clamped in the first stop groove 21; when the power unit 4 drives the shaft body 3 to rotate to the second angle, the first stop surface 31 is in a release state, and the first stop surface 31 can stop the first stop block 11 in the first stop groove 21; at the same time, the first stop surface 31 can also drive the first stop block 11 to retract into the sliding surface 10 along with the movement of the carrier 2, so that the carrier 2 can move from the first end 101 to the second end 102;

[0056] When the power unit 4 drives the carrier 2 to move from the first end 101 to the second end 102, the carrier 2 first drives the second block 12 to retract from the sliding surface 10, and then the second block 12 extends relative to the sliding surface 10 when the second block 12 moves to the second stop groove 22, at this time, the second block 12 is clamped into the second stop groove 22, and the groove wall of the second stop groove 22 limits the movement of the second block 12, so that the second block 12 limits the carrier 2 on the second end 102, and at the same time, the power unit 4 drives the shaft body 3 to rotate to the second angle, so that the second stop surface 32 is in a stop state, and the second stop surface 32 can stop the second block 12 clamped into the second stop groove 22, and when the power unit 4 drives the shaft body 3 to rotate to the first angle, so that the second stop surface 32 is in a release state, the second stop surface 32 can stop the second block 12 in the second stop groove 22, and at the same time, the second stop surface 32 can also drive the second block 12 to retract from the sliding surface 10 with the movement of the carrier 2, so that the carrier 2 can move from the second end 102 to the first end 101.

[0057] By adopting the above technical scheme, the automation degree of the locking device of the steering engine is improved.

[0058] In one embodiment, the carrier 2 is further provided with a first limiting groove 23 and a second limiting groove 24, and the circumferential surface of the shaft body 3 is provided with a first boss 33 and a second boss 34, the first boss 33 abuts against the groove wall of the first limiting groove 23 when the shaft body 3 rotates to the first angle, so as to limit the shaft body 3 at the first angle, and the second boss 34 abuts against the groove wall of the second limiting groove 24 when the shaft body 3 rotates to the second angle, so as to limit the shaft body 3 at the second angle.

[0059] Here, it can be understood that the first boss 33 refers to a structure protruding on the circumferential surface of the shaft body 3, and the second boss 34 also refers to a structure protruding on the circumferential surface of the shaft body 3; the first boss 33 is used to abut against the groove wall of the first limiting groove 23 when the shaft body 3 rotates to the first angle, so that the groove wall of the first limiting groove 23 limits the movement of the first boss 33, and further limits the rotation of the shaft body 3, thereby limiting the shaft body 3 at the first angle; similarly, the second boss 34 is used to abut against the groove wall of the second limiting groove 24 when the shaft body 3 rotates to the second angle, so that the groove wall of the second limiting groove 24 limits the movement of the second boss 34, and further limits the rotation of the shaft body 3, thereby limiting the shaft body 3 at the second angle.

[0060] By adopting the above technical scheme, the first boss 33 and the second boss 34 can limit the shaft body 3 at the first angle and the second angle, so that the first stop surface 31 and the second stop surface 32 on the shaft body 3 are well matched with the first block 11 and the second block 12.

[0061] In one embodiment, the first block 11 is provided with a first abutting straight surface 111 and a first abutting inclined surface 112, the first abutting straight surface 111 is arranged perpendicularly to the sliding surface 10, and the first abutting inclined surface 112 is arranged obliquely to the sliding surface 10, the first stop surface 31 is perpendicular to the sliding surface 10 when the shaft body 3 is rotated to a first angle, and the first stop surface 31 and the first abutting straight surface 111 can limit each other; the first stop surface 31 is oblique to the sliding surface 10 when the shaft body 3 is rotated to a second angle, and the first stop surface 31 can drive the first block 11 to retract into the sliding surface 10.

[0062] Here, it can be understood that, when the first block 11 is clamped into the first stop groove 21, the first stop surface 31 and the first abutting straight surface 111 abut to limit the movement of the first block 11 in the first sliding direction X; when the first stop surface 31 and the first abutting inclined surface 112 abut, the first stop surface 31 can move with the carrier 2 in a second sliding direction Y opposite to the first sliding direction X, thereby retracting the first block 11 into the sliding surface 10.

[0063] By adopting the above technical solution, the first block 11 can extend or retract into the sliding surface 10 according to the moving direction of the carrier 2.

[0064] Please refer to Figure 5 In one embodiment, the second block 12 is provided with a second abutting straight surface 121 and a second abutting inclined surface 122, the second abutting straight surface 121 is arranged perpendicularly to the sliding surface 10, and the second abutting inclined surface 122 is arranged obliquely to the sliding surface 10, the second stop surface 32 is oblique to the sliding surface 10 when the shaft body 3 is rotated to a first angle, and the second stop surface 32 can drive the second block 12 to retract into the sliding surface 10; the second stop surface 32 is perpendicular to the sliding surface 10 when the shaft body 3 is rotated to a first angle, and the second stop surface 32 and the second abutting straight surface 121 can limit each other.

[0065] Here, it can be understood that, when the second block 12 is clamped into the second stop groove 22, the second stop surface 32 and the second abutting straight surface 121 abut to limit the movement of the second block 12 in the second sliding direction Y; when the second stop surface 32 and the second abutting inclined surface 122 abut, the second stop surface 32 can move with the carrier 2 in the first sliding direction X, thereby retracting the second block 12 into the sliding surface 10.

[0066] By adopting the above technical solution, the second block 12 can extend or retract into the sliding surface 10 according to the moving direction of the carrier 2.

[0067] In one embodiment, the slide rail 1 defines a first sliding direction X parallel to the length direction of the slide rail 1 and a second sliding direction Y, the first sliding direction X is from the first end 101 to the second end 102, the second sliding direction Y is from the second end 102 to the first end 101, the first abutting straight surface 111 is located on the side of the first stopper 11 facing the first end 101, and the first abutting inclined surface 112 is located on the side of the first stopper 11 facing the second end 102; the second abutting straight surface 121 is located on the side of the second stopper 12 facing the second end 102, and the second abutting inclined surface 122 is located on the side of the second stopper 12 facing the first end 101.

[0068] By adopting the above technical scheme, the carrier 2 can be limited when moving to the first end 101 and the second end 102, and the power unit 4 needs to move in a preset direction to drive the carrier 2 to move, so that the stability of the carrier 2 is high.

[0069] In one embodiment, the carrier 2 is provided with a pressing surface opposite to the sliding surface 10, and the pressing surface is used to drive the first stopper 11 and the second stopper 12 to retract into the sliding surface 10.

[0070] Here, it can be understood that when the carrier 2 moves to the first end 101, the pressing surface of the carrier 2 first presses on the first stopper 11, thereby driving the first stopper 11 to retract into the sliding surface 10, and when the first stopper 11 is opposite to the first stop groove 21, the first stopper 11 extends out of the sliding surface 10 and is clamped into the first stop groove 21; similarly, when the carrier 2 moves to the second end 102, the pressing surface of the carrier 2 first presses on the second stopper 12, thereby driving the second stopper 12 to retract into the sliding surface 10, and when the second stopper 12 is opposite to the second stop groove 22, the second stopper 12 extends out of the sliding surface 10 and is clamped into the second stop groove 22.

[0071] By adopting the above technical scheme, the carrier 2 can drive the first stopper 11 and the second stopper 12 to retract into the sliding surface 10.

[0072] It needs to be further explained that the first stopper 11 and the second stopper 12 are elastically connected with the slide rail 1, so that the first stopper 11 and the second stopper 12 can extend out of the sliding surface 10 under the action of the elastic force, and retract into the sliding surface 10 under the action of an external force.

[0073] Please refer to Figure 3 In one embodiment, the carrier 2 is further provided with a connecting mechanism 25 for connecting with a transmission mechanism of a rudder.

[0074] By adopting the above technical scheme, the connecting mechanism 25 is beneficial to the connection between the carrier 2 and the rudder.

[0075] In one embodiment, the driving locking device further includes a connecting rod 5 connecting the power unit 4 and the shaft body 3, and the connecting rod 5 is in transmission connection with the power unit 4 and the shaft body 3.

[0076] By adopting the technical scheme, the connecting rod 5 is beneficial to the connection between the power unit 4 and the shaft body 3.

[0077] In one embodiment, the connecting rod 5 comprises a first rod body 51, a second rod body 52 and a telescopic rod 53, the first rod body 51 is arranged on the shaft body 3 and extends in the radial direction, the second rod body 52 connects the movable end of the first rod body 51 and the movable end of the telescopic rod 53, and the telescopic rod 53 is connected with the power unit 4.

[0078] By adopting the technical scheme, the connecting rod 5 has a simple structure.

[0079] In a second aspect, a navigation device is provided, comprising a navigation device body, a steering engine and the driving locking device, and the driving locking device is connected between the steering engine and the navigation device body.

[0080] By adopting the technical scheme, on the basis of the advantages of the driving locking device with the above-mentioned embodiments, the navigation device of the present embodiment has the advantage of high automation degree.

[0081] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A drive locking device, characterized in that The utility model relates to a slide rail and carrier locking device, including: A slide rail (1) is provided with a sliding surface (10), the sliding surface (10) is opposite to the first end (101) and the second end (102) in the length direction of itself, the first end (101) is provided with the first stopper (11), the first stopper (11) can be telescopic to the sliding surface (10), the second end (102) is provided with the second stopper (12), the second stopper (12) can be telescopic to the sliding surface (10); A carrier (2) is arranged on the slide rail (1), the carrier (2) can move along the length direction of the sliding surface (10), the carrier (2) is provided with the first stop groove (21) for accommodating the first stopper (11) and the second stop groove (22) for accommodating the second stopper (12); An axle body (3) is arranged on the carrier (2), the axle body (3) can rotate around its axis, the axle body (3) is provided with the first stop surface (31) for limiting the first stopper (11) and the second stop surface (32) for corresponding the second stopper (12); A power unit (4) is connected with the axle body (3) and can drive the axle body (3) to rotate, so that the axle body (3) switches between the first angle and the second angle; Wherein, the first stop surface (31) is in the stop state when the axle body (3) rotates to the first angle, the first stop surface (31) can stop the first stopper (11) clamped in the first stop groove (21); the first stop surface (31) is in the release state when the axle body (3) rotates to the second angle, the first stop surface (31) can drive the first stopper (11) to retract into the sliding surface (10); the second stop surface (32) is in the stop state when the axle body (3) rotates to the second angle, the second stop surface (32) can stop the second stopper (12) clamped in the second stop groove (22); the second stop surface (32) is in the release state when the axle body (3) rotates to the first angle, the second stop surface (32) can drive the second stopper (12) to retract into the sliding surface (10).

2. The drive latching device of claim 1, wherein, The carrier (2) is further provided with the first limiting groove (23) and the second limiting groove (24), the circumferential surface of the axle body (3) is provided with the first boss (33) and the second boss (34), the first boss (33) abuts against the groove wall of the first limiting groove (23) when the axle body (3) rotates to the first angle, so that the axle body (3) is limited at the first angle; the second boss (34) abuts against the groove wall of the second limiting groove (24) when the axle body (3) rotates to the second angle, so that the axle body (3) is limited at the second angle.

3. The drive latching device of claim 2, wherein, The first stop surface (31) is perpendicular to the sliding surface (10) when the shaft body (3) rotates to the first angle, and the first stop surface (31) and the first abutting straight surface (111) can limit each other; the first stop surface (31) is inclined to the sliding surface (10) when the shaft body (3) rotates to the second angle, and the first stop surface (31) can drive the first block (11) to retract into the sliding surface (10).

4. The drive latching device of claim 3, wherein The second stop surface (32) is inclined to the sliding surface (10) when the shaft body (3) rotates to the first angle, and the second stop surface (32) can drive the second block (12) to retract into the sliding surface (10); the second stop surface (32) is perpendicular to the sliding surface (10) when the shaft body (3) rotates to the first angle, and the second stop surface (32) and the second abutting straight surface (121) can limit each other.

5. The drive latching device of claim 4, wherein, The slide rail (1) defines a first sliding direction (X) and a second sliding direction (Y) parallel to the length direction of the slide rail (1), the first sliding direction (X) is from the first end (101) to the second end (102), the second sliding direction (Y) is from the second end (102) to the first end (101), the first abutting straight surface (111) is located on one side of the first block (11) towards the first end (101), and the first abutting inclined surface (112) is located on one side of the first block (11) towards the second end (102); the second abutting straight surface (121) is located on one side of the second block (12) towards the second end (102), and the second abutting inclined surface (122) is located on one side of the second block (12) towards the first end (101).

6. The drive locking device according to any one of claims 1 to 5, wherein The carrier (2) is provided with a pressing surface opposite to the sliding surface (10), and the pressing surface is used to drive the first block (11) and the second block (12) to retract into the sliding surface (10).

7. The drive latching device of claim 6, wherein The carrier (2) is further provided with a connecting mechanism (25) used to be connected with a transmission mechanism of a rudder machine.

8. The drive locking device according to any one of claims 1 to 5, wherein The driving locking device further comprises a connecting rod (5) connecting the power unit (4) and the shaft body (3), and the connecting rod (5) is in transmission connection with the power unit (4) and the shaft body (3).

9. The drive latching device of claim 8, wherein, The connecting rod (5) comprises a first rod body (51), a second rod body (52) and a telescopic rod (53), the first rod body (51) is arranged on the shaft body (3) and extends in the radial direction, the second rod body (52) connects the movable end of the first rod body (51) and the movable end of the telescopic rod (53), and the telescopic rod (53) is connected with the power unit (4).

10. A navigation device characterized by The navigation device comprises a navigation device body, a steering engine and the driving locking device according to any one of claims 1 to 9, and the driving locking device is connected with the steering engine and the navigation device body.

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