CN216285686U

CN216285686U - Single-arm pitching device for eliminating shaking caused by bearing clearance

Info

Publication number: CN216285686U
Application number: CN202120810088.9U
Authority: CN
Inventors: 赵士民; 王雪松; 麻文斌; 郑维彦
Original assignee: Beijing Glopro Optoelectronic Technology Co ltd
Current assignee: Beijing Glopro Optoelectronic Technology Co ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2022-04-12
Anticipated expiration: 2031-04-20

Abstract

The utility model discloses a single-arm pitching device for eliminating shaking caused by bearing play, which comprises a pitching bearing body, a pitching shaft body, an auxiliary bearing body, a pitching single-arm shell, a pitching transmission assembly and a driving assembly, wherein a load is detachably fixed with the right end of the pitching shaft body, the pitch bearing body and the auxiliary bearing body are respectively arranged at the right part and the left side of the pitch shaft body, the upper part of the pitching transmission component is detachably and rotatably connected with the pitching single-arm shell, the lower part of the pitching transmission component is sleeved at the middle part of the pitching shaft body and is detachably fixed with the pitching shaft body, the front end of the upper part or the rear end of the upper part of the pitching transmission component is in transmission connection with the output end of the driving component in a detachable mode, and the fixed end of the driving component is fixed on the lower portion of the pitching single-arm shell in a detachable mode. The single-arm type pitching device for eliminating the shaking caused by the bearing clearance has the advantages of simple structure, reduction of the shaking of the pitching shaft, improvement of the precision of the pitching shaft and improvement of the use flexibility of equipment.

Description

Single-arm pitching device for eliminating shaking caused by bearing clearance

Technical Field

The utility model relates to the technical field of photoelectric detection, in particular to a single-arm pitching device for eliminating shaking caused by bearing play.

Background

In the field of aerospace, a radar is indispensable equipment, the radar continuously scans airplane signals through the rotation of a rotary table to help the airplane to be positioned, and the rotary table is an execution function device of radar equipment, so that the structural design and optimization of the rotary table become one of key technologies in the radar industry. The radar rotary table in the prior art is usually of a double-arm structure or a single-arm structure, wherein the double-arm structure has large size, so that the rotary table has large volume, heavy weight and insufficient installation adaptability; the pitch axis of another single-arm structure has a frame amount due to the fact that the pitch axis is asymmetric in clearance and stress of a pitch bearing when in use, and finally the equipment precision is insufficient.

Disclosure of Invention

The utility model is completed to solve the defects in the prior art, and the utility model aims to provide a single-arm type pitching device which has a simple structure, reduces the shaking of a pitching shaft, improves the precision of the pitching shaft and the use flexibility of equipment, and eliminates the shaking caused by the bearing clearance.

The utility model relates to a single-arm pitching device for eliminating shaking caused by bearing play, which comprises a pitching bearing body, a pitching shaft body, an auxiliary bearing body, a pitching single-arm shell, a pitching transmission component and a driving component, wherein a load is detachably fixed at the right end of the pitching shaft body, the pitching bearing body and the auxiliary bearing body are respectively arranged at corresponding positions of the right part of the pitching shaft body and the left side of the lower part of the pitching transmission component, the inner periphery and the outer periphery of the pitching bearing body are respectively detachably fixed with the pitching shaft body and the upper part of the pitching single-arm shell, the outer periphery and the inner periphery of the auxiliary bearing body are respectively detachably fixed with the left end of the lower part of the pitching transmission component and the upper part of the pitching single-arm shell, and the upper part of the pitching transmission component is detachably and rotatably connected with the pitching single-arm shell, the lower part of every single move transmission assembly is sleeved on the middle of the every single move shaft body and detachably fixed with the every single move shaft body, the upper front end or the upper rear end of the every single move transmission assembly is detachably connected with the output end of the driving assembly in a transmission manner, and the fixed end of the driving assembly is detachably fixed on the lower part of the every single move arm shell.

The single-arm pitching device for eliminating the shaking caused by the bearing play can also be as follows:

the left end of auxiliary bearing body is provided with auxiliary bearing seat, auxiliary bearing seat's central point department with the inner peripheral detachable fixed of auxiliary bearing body, auxiliary bearing seat's periphery by the left side of auxiliary bearing body extends to right every single armed casing corresponds position department and with every single armed casing detachable fixed.

The pitching bearing comprises a pitching bearing body, and is characterized in that a pitching bearing seat is arranged on the outer periphery of the pitching bearing body, the left inner periphery of the pitching bearing seat is detachably fixed with the outer periphery of the pitching bearing body, the right outer periphery of the pitching bearing seat is detachably fixed with a pitching single-arm shell, and the right inner periphery of the pitching bearing seat is connected with the pitching shaft body in a sealing and detachable manner in a rotating mode.

The left end of every single move bearing body is provided with every single move bearing clamp plate, the terminal surface inner periphery of every single move bearing clamp plate with but every single move bearing body formula counterbalance, the terminal surface periphery of every single move bearing clamp plate with the left end detachable fixed of every single move bearing frame.

The left part periphery integrated into one piece of every single move axle body or be fixed with two at least first snap rings, the right part periphery integrated into one piece of every single move bearing frame or be fixed with at least one second snap ring, first snap ring with but second snap ring formula joint of releasing.

The pitching shaft body is arranged on the inner side of the position corresponding to the first clamping ring in a sleeved mode, and the left end and the right end of the sealing ring are respectively abutted to the pitching shaft body and the pitching bearing seat in a releasable mode.

The left end of every single move bearing body is provided with every single move bearing clamping ring, every single move bearing clamping ring cover is located on the every single move axle body, the terminal surface inner periphery of every single move bearing clamping ring with the every single move axle body is detachable fixed, the terminal surface periphery of every single move bearing clamping ring with the left end releasable counterbalance of every single move bearing body.

The pitching transmission component comprises a worm wheel body, a worm mounting rack and a synchronizing wheel, the output end of the driving component is detachably connected with the synchronizing wheel in a transmission way, the worm mounting frame is detachably fixed with the pitching single-arm shell at a corresponding position above the pitching shaft body, the worm body is erected on the worm mounting rack and is detachably and rotatably connected with the worm mounting rack, the synchronous wheel is sleeved on the front side or the rear side of the worm body and is coaxially arranged with the worm body, the periphery of the worm body is detachably engaged with the wheel surface of the worm wheel body, the central axis of the worm body is vertical to the central axis of the worm wheel body, the worm wheel body is sleeved at the middle part of the pitching shaft body and detachably fixed with the pitching shaft body, and the periphery of the auxiliary bearing body is detachably fixed with the worm wheel body.

The inner periphery of the worm wheel body is provided with a first key groove, the pitching shaft body is arranged at a position corresponding to the first key groove and provided with a second key groove, and the worm wheel body is embedded into the first key groove and the second key groove through flat keys at the same time and detachably fixed with the pitching shaft body.

The driving assembly comprises a belt pulley, a belt body and a driving motor, wherein the fixed end of the driving motor is detachably fixed on the lower part of the pitching single-arm shell, the belt pulley sleeve is arranged at the output end of the driving motor and detachably fixed with the output end of the driving motor, the upper end sleeve of the belt body is arranged on the upper part of the pitching transmission assembly, the lower end sleeve of the belt body is arranged on the lower part of the periphery of the belt pulley, and the pitching transmission assembly is in transmission connection with the belt pulley through the belt body.

The utility model relates to a single-arm pitching device for eliminating shaking caused by bearing play, which comprises a pitching bearing body, a pitching shaft body, an auxiliary bearing body, a pitching single-arm shell, a pitching transmission component and a driving component, wherein a load is detachably fixed at the right end of the pitching shaft body, the pitching bearing body and the auxiliary bearing body are respectively arranged at corresponding positions of the right part of the pitching shaft body and the left side of the lower part of the pitching transmission component, the inner periphery and the outer periphery of the pitching bearing body are respectively detachably fixed with the pitching shaft body and the upper part of the pitching single-arm shell, the outer periphery and the inner periphery of the auxiliary bearing body are respectively detachably fixed with the left end of the lower part of the pitching transmission component and the upper part of the pitching single-arm shell, and the upper part of the pitching transmission component is detachably and rotatably connected with the pitching single-arm shell, the lower part of every single move transmission assembly is sleeved on the middle of the every single move shaft body and detachably fixed with the every single move shaft body, the upper front end or the upper rear end of the every single move transmission assembly is detachably connected with the output end of the driving assembly in a transmission manner, and the fixed end of the driving assembly is detachably fixed on the lower part of the every single move arm shell. Thus, the fixed end of the driving component is fixed at the lower part of the pitching single-arm shell, the upper part of the pitching transmission component is rotatably connected with the upper part of the pitching single-arm shell, the pitching shaft body is rotatably connected with the middle part of the pitching single-arm shell through the pitching bearing body, the load passes through the central shaft of the pitching shaft body and is detachably fixed with the pitching shaft body, the lower part of the pitching transmission component is detachably fixed with the pitching shaft body, so that the power of the driving component can be directly transmitted to the pitching shaft through the transmission connection with the pitching transmission component, the pitching shaft body drives the load to rotate upwards or downwards in a plane vertical to the central shaft of the pitching shaft body, and further the pitch angle adjustment of the load is realized, because the pitching bearing body is used, the inner periphery and the outer periphery of the pitching bearing body are detachably fixed with the pitching shaft body and the upper part of the pitching single-arm shell respectively, friction between the pitching single-arm shell and the pitching shaft body is reduced by virtue of a bearing rolling body clamped between the inner periphery and the outer periphery of the pitching bearing body, in order to ensure that the bearing rolling body has a certain activity, the distance between the inner periphery and the outer periphery of the pitching bearing body at the corresponding position of the bearing rolling body is slightly larger than the diameter of the bearing rolling body, the movement amount of the bearing rolling body between the inner periphery and the outer periphery of the pitching bearing body is a bearing play, the pitching shaft body is arranged on the inner periphery of the pitching bearing body in a penetrating manner, and the offset of the pitching shaft body at the corresponding position of the pitching bearing body is multiplied along with the extension distance of the pitching shaft body along with the increase of the extension distance of the pitching shaft body, that is, along with the extension of every single move axle body, when the distance is more and more far away from the every single move axle body, the offset of every single move axle body is bigger and more and then produces and rock, in order to eliminate the play of every single move axle body brings rock of every single move axle body in the use the left part of every single move axle body increases the auxiliary bearing body makes the left part of every single move axle body pass through the auxiliary bearing body with every single move arm casing swivelling joint makes the offset of the left part of every single move axle body must equal the bearing play of auxiliary bearing body, and then has reduced the rocking of every single move axle body has improved the rotational accuracy of every single move axle body, makes the load can not follow the every single move axle body takes place to rock together, and then has improved radar tracking's precision. Compared with the prior art, the single-arm type pitching device for eliminating the shaking caused by the bearing play has the advantages that: simple structure, reduction pitch axis rock, improvement pitch axis precision and improve the flexibility of use of equipment.

Drawings

FIG. 1 is an exploded view of a single arm pitch device of the present invention to eliminate wobble due to bearing play.

FIG. 2 is a schematic view of a single-arm pitching apparatus for eliminating the wobbling caused by the play of the bearing according to the present invention.

FIG. 3 is a left side view of a single-arm pitching apparatus for eliminating the wobbling caused by the play of the bearing according to the present invention.

FIG. 4 is a cross-sectional view of a single arm pitching apparatus according to the present invention, as shown in FIG. 3A-A.

FIG. 5 is a cross-sectional view of a single arm pitching apparatus according to the present invention, shown in FIG. 3B-B, for eliminating the wobbling caused by the play of the bearings.

Description of the figures

1 … Pitch bearing body 2 … Pitch shaft body 3 … auxiliary bearing body

4 … Pitch Single arm housing 5 … auxiliary bearing blocks 6 … Pitch bearing blocks

7 … Pitch bearing pressure plate 8 … Pitch bearing pressure Ring 9 … first snap Ring

10 … second snap ring 11 … seal ring 12 … worm gear body

13 … Worm body 14 … Worm mounting bracket 15 … synchronizing wheel

16 … first keyway 17 … second keyway 18 … Pulley

19 … Belt body 20 … drive Motor 21 … first step surface

22 … second step surface 23 … third step surface 24 … worm gear press plate

25 … load 26 … flat key

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model relates to a single-arm pitching device for eliminating shaking caused by bearing play, which is characterized in that the paper surface of the attached drawing of the specification is inwards taken as the front side, the drawing of the specification is outwards taken as the rear side, a worm mounting frame 14 is arranged at the upper side, a driving motor 20 is arranged at the lower side, a central shaft close to a pitching shaft body 2 is arranged at the inner side, the pitching shaft body 2 is arranged at the outer side according to the principle, an auxiliary bearing seat 5 is arranged at the left side, and a pitching single-arm shell 4 is arranged at the right side, so that the directions of 'front', 'rear', 'left', 'right', 'upper', 'lower', 'inner' and 'outer' are determined.

A single-arm pitching apparatus for eliminating the wobbling caused by the bearing play according to the present invention will be described in detail with reference to fig. 1 to 5 of the accompanying drawings.

The utility model relates to a single-arm pitching device for eliminating shaking caused by bearing play, which refers to related figures in figures 1 to 5, and comprises a pitching bearing body 1, a pitching shaft body 2, an auxiliary bearing body 3, a pitching single-arm shell 4, a pitching transmission component and a driving component, wherein a load 25 is detachably fixed at the right end of the pitching shaft body 2, the pitching bearing body 1 and the auxiliary bearing body 3 are respectively arranged at corresponding positions at the right part of the pitching shaft body 2 and the left side of the lower part of the pitching transmission component, the inner circumference and the outer circumference of the pitching bearing body 1 are respectively detachably fixed with the pitching shaft body 2 and the upper part of the pitching single-arm shell 4, the outer circumference and the inner circumference of the auxiliary bearing body 3 are respectively detachably fixed with the left end of the lower part of the pitching transmission component and the upper part of the pitching single-arm shell 4, the upper portion of every single move transmission assembly with the detachable swivelling joint of every single move single armed casing 4, every single move transmission assembly's lower part cover is located the middle part of every single move axle body 2 and with the detachable fixed of every single move axle body 2, every single move transmission assembly's upper portion front end or upper portion rear end with the detachable transmission of drive assembly's output is connected, drive assembly's stiff end is detachable to be fixed in the lower part of every single move single armed casing 4. Thus, the fixed end of the driving component is fixed on the lower part of the pitching single-arm housing 4, the upper part of the pitching transmission component is rotatably connected on the upper part of the pitching single-arm housing 4, the pitching shaft body 2 is rotatably connected on the middle part of the pitching single-arm housing 4 through the pitching bearing body 1, the load 25 passes through the central shaft of the pitching shaft body 2 and is detachably fixed with the pitching shaft body 2, the lower part of the pitching transmission component is detachably fixed with the pitching shaft body 2, so that the power of the driving component can be directly transmitted to the pitching shaft through the transmission connection with the pitching transmission component, the pitching shaft body 2 drives the load 25 to rotate upwards or downwards in a plane perpendicular to the central shaft of the pitching shaft body 2, and then the pitching angle adjustment of the load 25 is realized, because the inner periphery and the outer periphery of the pitch bearing body 1 are detachably fixed with the pitch shaft body 2 and the upper part of the pitch single-arm housing 4 respectively in the using process of the pitch bearing body 1, the friction between the pitch single-arm housing 4 and the pitch shaft body 2 is reduced by the bearing rolling bodies clamped between the inner periphery and the outer periphery of the pitch bearing body 1, in order to ensure that the bearing rolling bodies have certain moving amount, the distance between the inner periphery and the outer periphery of the pitch bearing body 1 at the corresponding positions of the bearing rolling bodies is slightly larger than the diameter of the bearing rolling bodies, the moving amount of the bearing rolling bodies between the inner periphery and the outer periphery of the pitch bearing body 1 is the bearing play, the pitch shaft body 2 is arranged on the inner periphery of the pitch bearing body 1 in a penetrating way, and the extending distance of the pitch shaft body 2 is increased, the offset of the pitching shaft body 2 at the corresponding position of the pitching bearing body 1 is multiplied along with the extending distance of the pitching shaft body 2, that is, along with the extension of the pitching shaft body 2, when the distance from the pitching bearing body 1 is longer and longer, the offset of the pitching shaft body 2 is larger and larger, and then the pitching shaft body 2 is shaken, in order to eliminate the shaking of the pitching shaft body 2 in the using process caused by the play of the pitching bearing body 1, the auxiliary bearing body 3 is added at the left part of the pitching shaft body 2, so that the left side of the lower part of the pitching transmission assembly is rotationally connected with the pitching single-arm shell 4 through the auxiliary bearing body 3, and the lower part of the pitching transmission assembly and the pitching shaft body 2 are coaxially arranged to drive the pitching shaft body 2 to rotate, so that the offset of the left part of the pitching shaft body 2 is always equal to the bearing play of the auxiliary bearing body 3, and then reduced rocking of every single move axle body 2, improved the rotation accuracy of every single move axle body 2 for load 25 can not take place to rock along with every single move axle body 2, and then improved the accurate nature of radar tracking. Compared with the prior art, the single-arm type pitching device for eliminating the shaking caused by the bearing play has the advantages that: simple structure, reduction pitch axis rock, improvement pitch axis precision and improve the flexibility of use of equipment.

Referring to the relevant figures in fig. 1 to 5, the single-arm pitching device for eliminating the wobbling caused by the bearing play of the present invention may further include: the left end of auxiliary bearing body 3 is provided with auxiliary bearing frame 5, auxiliary bearing frame 5's central point department with the detachable fixed of inner periphery of auxiliary bearing body 3, auxiliary bearing frame 5's periphery by auxiliary bearing body 3's left side extends right to every single arm casing 4 corresponds position department and with every single arm casing 4 is detachable fixed. Thus, the outer periphery of the auxiliary bearing body 3 is detachably fixed to the left end center position of the auxiliary bearing seat 5, the inner periphery of the auxiliary bearing body 3 is detachably fixed to the left portion of the pitch shaft body 2, friction caused by the pitch shaft body 2 driving the load 25 to rotate is reduced by the bearing rolling elements interposed between the inner periphery and the outer periphery of the auxiliary bearing body 3, and the wobbling caused by the play of the pitch bearing body 1 when the pitch shaft body 2 rotates is eliminated, the left end center position of the auxiliary bearing seat 5 is detachably fixed to the outer periphery of the auxiliary bearing body 3, the auxiliary bearing seat 5 extends from the outer periphery of the auxiliary bearing body 3 to the right to the pitch single-arm housing after extending outward in the radial direction of the auxiliary bearing body 3, and the circumferential direction of the outer periphery of the auxiliary bearing body 3 is completely fixed to the pitch single-arm housing 4, the stability of the left portion of the pitch shaft body 2 in rotation is increased.

Referring to the relevant figures in fig. 1 to 5, the single-arm pitching device for eliminating the wobbling caused by the bearing play of the present invention may further include: the pitch bearing comprises a pitch bearing body 1 and is characterized in that a pitch bearing seat 6 is arranged on the outer periphery of the pitch bearing body 1, the left inner periphery of the pitch bearing seat 6 is detachably fixed with the outer periphery of the pitch bearing body 1, the right outer periphery of the pitch bearing seat 6 is detachably fixed with a pitch single-arm shell 4, and the right inner periphery of the pitch bearing seat 6 is connected with a pitch shaft body 2 in a sealing and detachable mode in a rotating mode. Like this, pitch bearing frame 6's the left part inner periphery with pitch bearing body 1's the detachable fixed in periphery, pitch bearing frame 6's the right part periphery with pitch single armed casing 4 is detachable fixed, pitch bearing frame 6 by pitch bearing body 1's periphery is followed pitch bearing body 1's radial outside extension back right side extends to pitch single armed casing 4 and with pitch single armed casing 4 is fixed, will pitch bearing body 1's periphery is fixed completely to on the pitch single armed casing 4, has increased the stability of pitch shaft body 2's the right part when rotatory. In addition, because the pitch shaft body 2 passes the right-hand member behind the pitch single-arm housing 4 is not spacing, make the right-hand member of pitch shaft body 2 with there is certain clearance between the pitch single-arm housing 4, make the pitch shaft body 2 is not stable enough when rotating, the right part of pitch bearing frame 6 is interior, with the sealed detachable fixed of pitch shaft body 2, the right part of pitch bearing frame 6 is periphery with the pitch single-arm housing 4 is detachable fixed, makes the right-hand member of pitch shaft body 2 by indirect swivelling joint in on the pitch single-arm housing 4, further increased the rotational stability of pitch shaft body 2. Of course, the right end face of the auxiliary bearing seat 5 can also be detachably fixed directly to the outer periphery of the pitch bearing seat 6, so as to further ensure that the inner periphery of the auxiliary bearing body 3 and the outer periphery of the pitch bearing body 1 do not rotate relatively in the circumferential direction. According to a further preferable technical scheme, a pitching bearing pressing plate 7 is arranged at the left end of the pitching bearing body 1, the inner periphery of the end face of the pitching bearing pressing plate 7 is detachably abutted to the pitching bearing body 1, and the outer periphery of the end face of the pitching bearing pressing plate 7 is detachably fixed with the left end of the pitching bearing seat 6. Thus, the pitch shaft body 2 is sequentially provided with a first step surface 21, a second step surface 22 and a third step surface 23 from right to left, the pitch bearing body 1 is sleeved on the pitch shaft body 2, the right end of the pitch bearing body 1 abuts against the end surface of the first step surface 21 of the pitch shaft body 2, the left end of the pitch bearing body 1 is flush with the second step surface 22 of the pitch shaft body 2, certainly, the number of the pitch bearing bodies 1 can be two, the two pitch bearing bodies 1 are arranged side by side, the width is equal to the distance from the first step surface 21 to the second step surface 22, the periphery of the pitch bearing body 1 is detachably fixed with the pitch bearing seat 6, the pitch bearing pressing plate 7 is arranged at the fixed connection position of the periphery of the pitch bearing body 1 and the pitch bearing seat 6, the inner periphery of the right end of the pitch bearing pressing plate 7 abuts against the outer periphery of the left end surface of the pitch bearing body 1, the periphery of the right end face of the pitch bearing pressing plate 7 is abutted against and fixed to the left end face of the pitch bearing seat 6, so that the pitch bearing body 1 and the pitch bearing seat 6 cannot generate relative displacement in the axial direction when the pitch shaft body 2 rotates.

Referring to the relevant figures in fig. 1 to 5, the single-arm pitching device for eliminating the wobbling caused by the bearing play of the present invention may further include: every single move axle body 2's left part periphery integrated into one piece or be fixed with two at least first snap rings 9, every single move bearing frame 6's right part periphery integrated into one piece or be fixed with at least one second snap ring 10, first snap ring 9 with but second snap ring 10 formula joint of releasing. Like this, first snap ring 9 joint in adjacent two between the second snap ring 10, make pitch shaft body 2 drives during the adjustment of the angle of pitch is carried out to load 25, pitch shaft body 2 relative with pitch bearing frame 6 is rotatory, first snap ring 9 is adjacent two all the time slide in the second snap ring 10, prevent pitch shaft body 2 the right-hand member with radial relative displacement takes place between the pitch bearing frame 6, has further increased the rotational stability of 2 right-hand members of pitch shaft body, and then will pitch shaft body 2 with radial relatively fixed carries out between the every single arm casing 4 of every single move. According to a further preferable technical scheme, a sealing ring 11 is sleeved on the inner side of the position, corresponding to the first clamping ring 9, of the pitching shaft body 2, and the left end and the right end of the sealing ring 11 are respectively and detachably abutted against the pitching shaft body 2 and the pitching bearing seat 6. Like this, 11 covers of sealing washer are established on pitch shaft body 2, and set up first snap ring 9 with the corresponding position department of second snap ring 10 joint, the left end of sealing washer 11 with pitch shaft body 2 offsets, the right-hand member of sealing washer 11 with pitch bearing frame 6 offsets, first snap ring 9 with second snap ring 10 has certain clearance when the joint, utilizes the leakproofness of sealing washer 11 has prevented that impurity such as water and dust from following pitch shaft body 2 with inside the swivelling joint of pitch bearing frame 6 corresponds position department access device.

Referring to the relevant figures in fig. 1 to 5, the single-arm pitching device for eliminating the wobbling caused by the bearing play of the present invention may further include: the left end of every single move bearing body 1 is provided with every single move bearing clamping ring 8, every single move bearing clamping ring 8 cover is located on the every single move shaft body 2, the terminal surface inner periphery of every single move bearing clamping ring 8 with the every single move shaft body 2 is detachable fixed, the terminal surface periphery of every single move bearing clamping ring 8 with the left end releasable counterbalance of every single move bearing body 1. Like this, every single move axle body 2 has set gradually first step face 21, second step face 22 and third step face 23 from the right side to the left, every single move bearing body 1 cover is located on every single move axle body 2, the right-hand member of every single move bearing body 1 with the first step face 21 terminal surface of every single move axle body 2 offsets, the left end of every single move bearing body 1 with the second step face 22 of every single move axle body 2 flushes, certainly the quantity of every single move bearing body 1 can be two, two every single move bearing body 1 sets up side by side, and the width equals the distance of first step face 21 to second step face 22, the interior week of every single move bearing body 1 with the every single move axle body 2 is detachable fixed, will every single move bearing clamping ring 8 set up in the periphery of every single move bearing body 1 with the fixed connection department of every single move axle body 2, the right side of every single move bearing clamping ring 8 with the interior week of every single move axle body 2 second step face 22 terminal surface offsets And the periphery of the right end face of the pitch bearing pressing plate 7 is abutted against the left end face of the pitch bearing body 1, so that the pitch bearing body 1 and the pitch shaft body 2 cannot generate relative displacement in the axial direction when the pitch shaft body 2 rotates.

Referring to the relevant figures in fig. 1 to 5, the single-arm pitching device for eliminating the wobbling caused by the bearing play of the present invention may further include: the pitching transmission assembly comprises a worm wheel body 12, a worm body 13, a worm mounting rack 14 and a synchronizing wheel 15, the output end of the driving assembly is in detachable transmission connection with the synchronizing wheel 15, the worm mounting rack 14 is detachably fixed with the pitching single-arm shell 4 at the position corresponding to the upper part of the pitching shaft body 2, the worm body 13 is erected on the worm mounting rack 14 and is in detachable rotary connection with the worm mounting rack 14, the synchronizing wheel 15 is sleeved on the front side or the rear side of the worm body 13 and is coaxially arranged with the worm body 13, the periphery of the worm body 13 is in detachable meshing connection with the wheel surface of the worm wheel body 12, the central shaft of the worm body 13 is perpendicular to the central shaft of the worm wheel body 12, the worm wheel body 12 is sleeved on the middle part of the pitching shaft body 2 and is detachably fixed with the pitching shaft body 2, the periphery of the auxiliary bearing body 3 is detachably fixed with the worm wheel body 12. Thus, the worm mounting rack 14 is arranged above the corresponding position of the pitch shaft body 2, the worm body 13 is transversely erected on the worm mounting rack 14, the synchronizing wheel 15 is sleeved at the front end or the rear end of the worm body 13, the synchronizing wheel 15 is meshed with the output end of the driving component, the worm body 13 is meshed with the worm wheel body 12 below the worm body 13, the worm wheel body 12 is sleeved at the left part of the pitch shaft body 2 and detachably fixed with the pitch shaft body 2, the worm wheel body 12 and the pitch shaft body 2 are coaxially arranged, so that the central axis of the worm wheel body 12 is perpendicular to the central axis of the worm body 13, when the driving component operates, power is transmitted to the worm wheel body 12 by the driving component through the worm body 13, and the worm wheel body 12 drives the pitch shaft body 2 to rotate around the central axis of the worm wheel body, thereby effecting rotation of the load 25 in a plane parallel to the rotation center axis of the worm body 13 and perpendicular to the center axis of the pitch axis body 2. The worm wheel body 12 is sleeved on the middle portion of the pitching shaft body 2 and detachably fixed with the pitching shaft body 2, the periphery of the auxiliary bearing body 3 is detachably fixed with the worm wheel body 12, and when the pitching shaft body 2 is prevented from shaking due to rotation, friction between the worm wheel body 12 and the auxiliary bearing seat 5 can be reduced. According to a further preferable technical scheme, a first key groove 16 is formed in the inner periphery of the worm wheel body 12, a second key groove 17 is formed in the position, corresponding to the first key groove 16, of the pitch shaft body 2, and the worm wheel body 12 is embedded into the first key groove 16 and the second key groove 17 through a flat key 26 and is detachably fixed with the pitch shaft body 2. Like this, the outside portion embedding of parallel key 26 first keyway 16, the inside portion embedding of parallel key 26 second keyway 17, parallel key 26 respectively with first keyway 16 with the second keyway 17 joint is fixed, makes worm wheel body 12 with pitch axle body 2 is fixed, has prevented worm wheel body 12 is in when pitch axle body 2 is rotatory, with take place ascending relative displacement in circumference between the pitch axle body 2. In addition, a worm wheel pressing plate 24 can be arranged at the left end of the worm wheel body 12, the periphery of the end surface of the worm wheel pressing plate 24 can be in releasable contact with the end surface of the left end of the worm wheel body 12, the inner periphery of the end face of the worm gear press plate 24 is detachably fixed with the end face of the left end of the pitch shaft body 2, that is, the third step face 23 of the pitch shaft body 2, so that the pitch shaft body 2 and the worm wheel body 12 do not undergo relative displacement in the axial direction when the pitch shaft body 2 rotates, the left end surface of the worm gear press plate 24 is detachably fixed with the periphery of the auxiliary bearing body 3, the periphery of the auxiliary bearing body 3 is basically consistent with the movement of the worm gear body 12, so that the friction generated when the worm gear body 12 drives the pitch shaft body 2 to rotate is reduced, and meanwhile, the shake caused by the play of the pitch bearing body 1 is reduced.

Referring to the relevant figures in fig. 1 to 5, the single-arm pitching device for eliminating the wobbling caused by the bearing play of the present invention may further include: the drive assembly includes belt pulley 18, belt body 19 and driving motor 20, driving motor 20's stiff end is detachable to be fixed in the lower part of every single armed casing 4 of every single move, 18 covers of belt pulley are located driving motor 20's output and with driving motor 20's output is detachable fixed, belt body 19's upper end cover is located every single move transmission assembly's upper portion, belt body 19's lower pot head is located belt pulley 18's periphery lower part, every single move transmission assembly with belt pulley 18 passes through belt body 19 transmission is connected. Thus, the fixed end of the driving motor 20 is detachably fixed below the corresponding position of the pitching shaft body 2, the belt pulley 18 is sleeved on the output end of the driving motor 20, so that the belt pulley 18 and the output end of the driving motor 20 rotate synchronously, the lower part of the belt body 19 is sleeved on the belt pulley 18, the upper part of the belt body 19 is sleeved on the upper part of the pitching transmission component, which may be the synchronizing wheel 15, so that the belt body 19 is used as the pitching transmission component, particularly as the middle flexible part of the synchronizing wheel 15 and the belt pulley 18, and power is transmitted by the friction force generated by the contact between the belt body 19 and the synchronizing wheel 15 and the belt pulley 18, the driving component uses belt transmission to make the arrangement position of the driving motor 20 more convenient, and has the functions of overload protection and vibration absorption buffering for the pitching transmission component, and has no obvious noise in operation.

The above description is only for the purpose of illustrating a few embodiments of the present invention, and should not be taken as limiting the scope of the present invention, in which equivalent changes, modifications, or scaling up or down, etc. made in accordance with the spirit of the present invention should be considered as falling within the scope of the present invention.

Claims

1. The utility model provides an eliminate single armed pitching device who rocks because of bearing play produces which characterized in that: the pitching transmission device comprises a pitching bearing body, a pitching shaft body, an auxiliary bearing body, a pitching single-arm shell, a pitching transmission assembly and a driving assembly, wherein a load is detachably fixed at the right end of the pitching shaft body, the pitching bearing body and the auxiliary bearing body are respectively arranged at corresponding positions of the right part of the pitching shaft body and the left side of the lower part of the pitching transmission assembly, the inner periphery and the outer periphery of the pitching bearing body are respectively detachably fixed with the pitching shaft body and the upper part of the pitching single-arm shell, the outer periphery and the inner periphery of the auxiliary bearing body are respectively detachably fixed with the left end of the lower part of the pitching transmission assembly and the upper part of the pitching single-arm shell, the upper part of the pitching transmission assembly is detachably and rotatably connected with the pitching single-arm shell, the lower part of the pitching transmission assembly is sleeved at the middle part of the pitching shaft body and detachably fixed with the pitching shaft body, the front end of the upper part or the rear end of the upper part of the pitching transmission component is in transmission connection with the output end of the driving component in a detachable mode, and the fixed end of the driving component is fixed on the lower portion of the pitching single-arm shell in a detachable mode.

2. The single-arm pitching apparatus according to claim 1, wherein: the left end of auxiliary bearing body is provided with auxiliary bearing seat, auxiliary bearing seat's central point department with the inner peripheral detachable fixed of auxiliary bearing body, auxiliary bearing seat's periphery by the left side of auxiliary bearing body extends to right every single armed casing corresponds position department and with every single armed casing detachable fixed.

3. The single-arm pitching apparatus according to claim 1, wherein: the pitching bearing comprises a pitching bearing body, and is characterized in that a pitching bearing seat is arranged on the outer periphery of the pitching bearing body, the left inner periphery of the pitching bearing seat is detachably fixed with the outer periphery of the pitching bearing body, the right outer periphery of the pitching bearing seat is detachably fixed with a pitching single-arm shell, and the right inner periphery of the pitching bearing seat is connected with the pitching shaft body in a sealing and detachable manner in a rotating mode.

4. The single-arm pitching apparatus according to claim 3, wherein: the left end of every single move bearing body is provided with every single move bearing clamp plate, the terminal surface inner periphery of every single move bearing clamp plate with but every single move bearing body formula counterbalance, the terminal surface periphery of every single move bearing clamp plate with the left end detachable fixed of every single move bearing frame.

5. The single-arm pitching apparatus according to claim 3, wherein: the left part periphery integrated into one piece of every single move axle body or be fixed with two at least first snap rings, the right part periphery integrated into one piece of every single move bearing frame or be fixed with at least one second snap ring, first snap ring with but second snap ring formula joint of releasing.

6. The single-arm pitching apparatus according to claim 5, wherein: the pitching shaft body is arranged on the inner side of the position corresponding to the first clamping ring in a sleeved mode, and the left end and the right end of the sealing ring are respectively abutted to the pitching shaft body and the pitching bearing seat in a releasable mode.

7. A single-arm type pitching apparatus for eliminating the generation of the wobbling caused by the bearing play according to any one of claims 1 to 6, wherein: the left end of every single move bearing body is provided with every single move bearing clamping ring, every single move bearing clamping ring cover is located on the every single move axle body, the terminal surface inner periphery of every single move bearing clamping ring with the every single move axle body is detachable fixed, the terminal surface periphery of every single move bearing clamping ring with the left end releasable counterbalance of every single move bearing body.

8. A single-arm type pitching apparatus for eliminating the generation of the wobbling caused by the bearing play according to any one of claims 1 to 6, wherein: the pitching transmission component comprises a worm wheel body, a worm mounting rack and a synchronizing wheel, the output end of the driving component is detachably connected with the synchronizing wheel in a transmission way, the worm mounting frame is detachably fixed with the pitching single-arm shell at a corresponding position above the pitching shaft body, the worm body is erected on the worm mounting rack and is detachably and rotatably connected with the worm mounting rack, the synchronous wheel is sleeved on the front side or the rear side of the worm body and is coaxially arranged with the worm body, the periphery of the worm body is detachably engaged with the wheel surface of the worm wheel body, the central axis of the worm body is vertical to the central axis of the worm wheel body, the worm wheel body is sleeved at the middle part of the pitching shaft body and detachably fixed with the pitching shaft body, and the periphery of the auxiliary bearing body is detachably fixed with the worm wheel body.

9. The single-arm pitching apparatus according to claim 8, wherein: the inner periphery of the worm wheel body is provided with a first key groove, the pitching shaft body is arranged at a position corresponding to the first key groove and provided with a second key groove, and the worm wheel body is embedded into the first key groove and the second key groove through flat keys at the same time and detachably fixed with the pitching shaft body.

10. A single-arm type pitching apparatus for eliminating the generation of the wobbling caused by the bearing play according to any one of claims 1 to 6, wherein: the driving assembly comprises a belt pulley, a belt body and a driving motor, wherein the fixed end of the driving motor is detachably fixed on the lower part of the pitching single-arm shell, the belt pulley sleeve is arranged at the output end of the driving motor and detachably fixed with the output end of the driving motor, the upper end sleeve of the belt body is arranged on the upper part of the pitching transmission assembly, the lower end sleeve of the belt body is arranged on the lower part of the periphery of the belt pulley, and the pitching transmission assembly is in transmission connection with the belt pulley through the belt body.