CN211417243U

CN211417243U - Rotary driving mirror for hovercraft

Info

Publication number: CN211417243U
Application number: CN201922146970.3U
Authority: CN
Inventors: 张绍荣; 刘源
Original assignee: Army Military Transportation University of PLA Zhenjiang
Current assignee: Army Military Transportation University of PLA Zhenjiang
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-09-04
Anticipated expiration: 2029-12-04

Abstract

The utility model relates to a hovercraft gyration driving mirror, which comprises a sight glass and a shell, wherein the end surface of the sight glass inclines to the shell, the bottom of the sight glass is provided with a sleeve, the inner wall of the sleeve is provided with a first conical surface and a guide disc, the inner sides of the two first conical surfaces are respectively provided with a first roller and a second roller which are matched in a rolling way, the shell is internally provided with a fixed plate, the fixed plate is internally provided with a guide post, the sleeve is externally provided with a first gear, one side of the first gear is provided with a meshed second gear, the second gear is internally provided with a third shaft body which rotates synchronously, the third shaft body is connected with a driving mechanism, the rotation driving mechanism comprises a hydraulic cylinder and a rocker arm, one side of the rocker arm is provided with an outer frame arranged outside a bulge, the utility model is integrally driven by the hydraulic cylinder, so that the sight glass can, so as to effectively assist the air cushion boat in driving.

Description

Rotary driving mirror for hovercraft

Technical Field

The utility model relates to a hovercraft gyratory mirror belongs to hovercraft accessory technical field.

Background

Hovercraft is the one of the ship of going at a high speed, with the vehicle of air at ship bottom liner bearing, its air cushion is usually formed by the high-pressure gas who lasts constantly supplying, because hovercraft lacks the back vision and observes the accessory, it is unfavorable to berth the operation especially to drive, need many people to assist the cooperation, adopt current driver's mirror with support direct mount, because the driver's mirror angle is fixed, receive the visual mounting height of driver's cabin, the hull volume restriction, the installation angle through manual regulation support not only wastes time and energy, the degree of difficulty is great, and receive weather effects, lead to the sight glass to be difficult to reflect the hovercraft rear according to needs, side and the condition of side below, make the sight glass be difficult to practical application effectively on the hovercraft.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's defect, provide hovercraft gyration driving mirror, wholly with hydraulic cylinder drive, make the sight glass have wide-angle projection angle with circling round, conveniently adjust sight glass angle according to the demand fast, the influence of fearless weather and mounting height improves the practicality to assist the hovercraft to drive effectively.

The utility model discloses a realize through following technical scheme:

the hovercraft gyrus driving mirror comprises a viewing mirror and a shell, wherein the end face of the viewing mirror is inclined to the shell, the bottom of the viewing mirror is provided with a sleeve, the bottom of the sleeve penetrates through the shell and is arranged in the shell, the inner wall of the sleeve is provided with a first conical surface and a guide disc, the two first conical surfaces are symmetrically and obliquely arranged on two sides of the guide disc, the inner sides of the two first conical surfaces are respectively provided with a first roller and a second roller which are in rolling fit, and a first shaft body and a second shaft body which are parallel to each other are respectively arranged in the first roller and the second roller;

a fixed plate is arranged in the shell, a guide post which vertically penetrates through the guide disc and is connected with the first shaft is arranged in the fixed plate, the guide post is in clearance fit with the guide disc and the fixed plate, the bottom of the guide post penetrates through the fixed plate and is provided with a nut, and the second shaft is vertical to the guide post and is connected with the fixed plate;

a first gear is arranged outside the sleeve, a second gear meshed with the first gear is arranged on one side of the first gear, a third shaft body rotating synchronously is arranged in the second gear, and the third shaft body is connected with a rotation driving mechanism arranged in the shell;

the rotary driving mechanism comprises a hydraulic cylinder and a rocker arm, the bottom of the third shaft body penetrates through the fixed plate and is connected with the rocker arm, an embossment is arranged at one end of the rocker arm, an outer frame arranged outside the embossment is arranged on one side of the rocker arm, a connecting rod penetrating through the fixed plate is arranged on one side of the outer frame, and the connecting rod is perpendicular to the third shaft body and is connected with a hydraulic rod of the hydraulic cylinder.

The utility model has the advantages that:

(1) the second gear drives the meshed first gear to rotate, so that the sleeve drives the inclined sight glass to rotate, the first roller and the second roller are in rolling fit with the two inclined first conical surfaces to form support for the sleeve, the sleeve is lifted along the second gear in the rotating process, the guide post is lifted and guided in the guide disc and the fixed plate, the visual angle is adjusted in a rotating mode, the sight glass can have a wide-angle projection angle in a rotating mode, the sight glass can be adjusted conveniently and quickly according to requirements, weather and installation height are not affected, and practicability is improved, so that the air cushion boat is effectively assisted in driving;

(2) the second gear with pneumatic cylinder drive, can with hovercraft's hydraulic system lug connection, through the transmission of frame and rocking arm with rectilinear motion conversion rotary motion, the rotational speed is lower and controllable, is favorable to adjusting the sight glass angle, the practicality is higher.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a structure diagram of the inside of the housing of the present invention.

Fig. 3 is a bottom view of the inside of the present invention.

Fig. 4 is a cross-sectional structure view of the viewing mirror facing one side of the present invention.

Fig. 5 is a cross-sectional structural view of the viewing mirror facing the other side of the present invention.

The labels in the figure are: the visual mirror comprises a visual mirror 1, a shell 2, a sleeve 3, a first conical surface 4, a guide disc 5, a first roller 6, a second roller 7, a first shaft body 8, a second shaft body 9, a fixing plate 10, a guide post 11, a nut 12, a second conical surface 13, an L-shaped support 14, a first gear 15, a second gear 16, a third shaft body 17, a rotary driving mechanism 18, a hydraulic cylinder 19, a rocker arm 20, a bulge 21, an outer frame 22, a connecting rod 23, a mounting hole 24 and a hydraulic rod 25.

Detailed Description

The following describes the present invention with reference to the accompanying drawings.

The hovercraft gyrus driving mirror comprises a viewing mirror 1 and a housing 2, wherein the end face of the viewing mirror 1 is inclined to the housing 2, the bottom of the viewing mirror is provided with a sleeve 3, the bottom of the sleeve 3 penetrates through the housing 2 and is arranged in the housing 2, the inner wall of the sleeve 3 is provided with a first conical surface 4 and a guide disc 5, the two first conical surfaces 4 are symmetrically and obliquely arranged on two sides of the guide disc 5, the inner sides of the two first conical surfaces 4 are respectively provided with a first roller 6 and a second roller 7 which are in rolling fit, and the first roller 6 and the second roller 7 are respectively provided with a first shaft body 8 and a second shaft body 9 which are parallel;

a fixing plate 10 is arranged in the shell 2, a guide post 11 vertically penetrating through the guide disc 5 and connected with the first shaft body 8 is arranged in the fixing plate 10, the guide post 11 is in clearance fit with the guide disc 5 and the fixing plate 10, the bottom of the guide post 11 penetrates through the fixing plate 10 and is provided with a nut 12, and the second shaft body 9 is perpendicular to the guide post 11 and connected with the fixing plate 10;

the first roller 6 and the second roller 7 are provided with second taper surfaces 13, and L-shaped brackets 14 are arranged between the top of the guide column 11 and the first shaft body 8 and between the fixing plate 10 and the second shaft body 9;

a first gear 15 is arranged outside the sleeve 3, a second gear 16 meshed with the first gear 15 is arranged on one side of the first gear 15, a third shaft body 17 rotating synchronously is arranged in the second gear 16, and the third shaft body 17 is connected with a rotation driving mechanism 18 arranged in the shell 2;

the rotation driving mechanism 18 comprises a hydraulic cylinder 19 and a rocker arm 20, the bottom of the third shaft body 17 penetrates through the fixed plate 10 and is connected with the rocker arm 20, a bulge 21 is arranged at one end of the rocker arm 20, an outer frame 22 arranged outside the bulge 21 is arranged on one side of the rocker arm 20, a connecting rod 23 penetrating through the fixed plate 10 is arranged on one side of the outer frame 22, and the connecting rod 23 is perpendicular to the third shaft body 17 and is connected with a hydraulic rod 25 of the hydraulic cylinder 19;

the shell 2 is of an L-shaped structure, and a plurality of mounting holes 24 are formed in the side bottom of the shell.

The utility model discloses a theory of operation does:

the shell 2 is fixed on the hull of the hovercraft, the hydraulic cylinder 19 is connected with the hydraulic system of the hovercraft, and the working principle of the rotary driving mechanism 18 is as follows: a hydraulic rod 25 of the hydraulic cylinder 19 extends, a connecting rod 23 plays a guiding role in the fixed plate 10, an outer frame 22 on the connecting rod 23 linearly moves left and right according to the extending direction of the hydraulic rod 25, and a bulge 21 in the outer frame 22 is driven to rotate along the centers of the rocker arm 20 and the third shaft body 17, so that the third shaft body 17 and the second gear 16 are driven to synchronously rotate;

the driving form of the hydraulic cylinder 19 is adopted, the pneumatic mirror can be directly connected with a hydraulic system of the hovercraft, the space of the shell 2 is fully utilized, linear motion is converted into rotary motion through the transmission of the outer frame 22 and the rocker arm 20, the rotating speed is low and controllable, the angle of the sight glass 1 can be adjusted conveniently, and the practicability is high;

the principle of the visual angle of the sight glass 1 adjusted by turning back is as follows: the rotating second gear 16 drives the meshed first gear 15 to rotate, so that the sleeve 3 drives the inclined sight glass 1 to rotate back, the sleeve 3 is supported due to the rolling fit of the first roller 6, the second roller 7 and the two first conical surfaces 4, the first conical surfaces 4 incline, the sleeve 3 is lifted along the second gear 16 in the rotating process, and the guide column 11 is lifted in the guide disc 5 and the fixing plate 10;

referring to fig. 4, the guide post 11 is raised to the highest height, referring to fig. 5, when the sleeve 3 rotates, the first gear 15 rotates and descends along the second gear 16 due to the support of the second roller 7, the sleeve 3 rotates and descends, the first roller 6 drives the guide post 11 to descend in the guide disc 5 and the fixed plate 10 through clearance fit, the sight glass 1 rotates and descends and changes to the opposite angle of fig. 4, the descending avoids the condition that the sight glass 1 projects outside the hovercraft to affect the observation, likewise, as the rotation continues, the second roller 7 is supported by the first conical surface 4, the first gear 15 rotates and ascends along the second gear 16 until the state of fig. 4, and the sight glass 1 reciprocates between the states of fig. 4 and 5 through the continuous rotation of the second gear 16 to realize the rotary adjustment of the visual angle, so that the sight glass 1 can rotatably have a wide-angle projection, the convenient 1 angle of sight glass of adjusting according to the demand fast, the influence of fearless weather and mounting height improves the practicality to assist the air cushion boat effectively and drive.

The base area of the sleeve 3 and the first conical surface 4 when the sleeve 3 ascends is increased through the second conical surface 13, the support stability of the first roller 6 and the second roller 7 for the sleeve 3 is guaranteed, and the first shaft body 8 and the second shaft body 9 are connected in a riveting or welding fixing mode through the L-shaped support 14, the guide post 11 and the fixing plate 10, so that the first shaft body 8 and the second shaft body 9 are perpendicular to the guide post 11, the movement requirement is met, and the installation space is saved;

the third shaft body 17 and the second gear 16 are matched and synchronously rotated through a pin key, and after the second gear 16 and the third shaft body 17 are fixedly installed, the bottom outer frame 22 plays a role in limiting and supporting the third shaft body 17 on the support of the rocker arm 20;

the mounting structure of the first gear 15 and the second gear 16 is satisfied by the L-shaped housing 2 so as to reduce the size and compact structure, and at the same time, the mounting hole 24 enables the whole of the driving mirror to be mounted in connection with the hull, and the oil inlet pipe and the oil outlet pipe of the hydraulic cylinder 19 are led out from the housing 2 to be connected with the oil supply of the hydraulic system on the hovercraft.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The hovercraft gyrorotor driving mirror comprises a viewing mirror and a shell, and is characterized in that the end face of the viewing mirror inclines to the shell, the bottom of the viewing mirror is provided with a sleeve, the bottom of the sleeve penetrates through the shell and is arranged in the shell, the inner wall of the sleeve is provided with a first conical surface and a guide disc, the two first conical surfaces are symmetrically and obliquely arranged on two sides of the guide disc, the inner sides of the two first conical surfaces are respectively provided with a first roller and a second roller which are in rolling fit, and a first shaft body and a second shaft body which are parallel to each other are respectively arranged in the first roller and the second roller;

the sleeve is externally provided with a first gear, one side of the first gear is provided with a second gear which is meshed with the first gear, a third shaft body which rotates synchronously is arranged in the second gear, and the third shaft body is connected with a rotary driving mechanism which is arranged in the shell.

2. The hovercraft gyrocompass mirror as recited in claim 1, wherein the first and second rollers have second tapered surfaces, and L-shaped brackets are disposed between the tops of the guide posts and the first shaft body and between the fixing plate and the second shaft body.

3. The hovercraft gyrating mirror according to claim 1 or 2, wherein the rotary driving mechanism comprises a hydraulic cylinder and a rocker, the bottom of the third shaft body passes through the fixed plate and is connected with the rocker, a protrusion is arranged at one end of the rocker, an outer frame arranged outside the protrusion is arranged on one side of the rocker, a connecting rod passing through the fixed plate is arranged on one side of the outer frame, and the connecting rod is perpendicular to the third shaft body and is connected with a hydraulic rod of the hydraulic cylinder.

4. The hovercraft gyrocompass mirror as recited in claim 3, wherein said housing is L-shaped and has a plurality of mounting holes at a lateral bottom.