CN217001380U

CN217001380U - Conical surface damper

Info

Publication number: CN217001380U
Application number: CN202123258363.XU
Authority: CN
Inventors: 魏刚; 魏辉; 明平升
Original assignee: Wuhan Chuangheng Laser Intelligent Equipment Co ltd
Current assignee: Wuhan Chuangheng Laser Intelligent Equipment Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-07-19
Anticipated expiration: 2031-12-21

Abstract

The application relates to a conical surface attenuator belongs to pivot connector technical field, includes: the conical surface damping assembly comprises a fixed conical sleeve and a movable conical body which are matched with each other, wherein one end of the fixed conical sleeve is provided with a conical hole matched with the movable conical body, and one end of the movable conical body is positioned in the conical hole and is provided with a conical surface contacted with the conical hole; the damping adjusting assembly comprises a tensioning shaft penetrating into the fixed taper sleeve and the movable taper body, an adjusting nut for adjusting the friction force of the fixed taper sleeve and the movable taper body is arranged at one end of the tensioning shaft, and a locking handle is connected to the other end of the tensioning shaft in a threaded manner. The frictional force between the fixed taper sleeve and the movable taper body of the application is adjusted through the damping adjusting component, and after the movable taper body rotates to a proper position on the fixed taper sleeve, the fixed taper sleeve and the movable taper body are clamped tightly by tightening the locking handle to drive the axial movement of the tensioning shaft. The taper hole of the fixed taper sleeve and the taper surface of the movable taper body have a self-centering function, so that the position angle of an object on the movable taper body can be adjusted and fixed.

Description

Conical surface damper

Technical Field

The application relates to the technical field of pivot connectors, in particular to a conical surface damper.

Background

The working principle of the existing damper is roughly divided into a friction type, a liquid type and an electromagnetic type. The damping device is mainly divided into two types according to the application, one type is a rotary damper, and the other type is a linear damper. The conventional method of the conventional rotary friction type damper is to adopt circular parallel plates to form a friction plate, apply pressure to the parallel plates to adjust friction force, generally apply pressure by an energy storage spring to ensure constant friction force, if the required friction torque is large, a strong spring is required, the linearity of the strong spring is not good compared with that of a flexible spring, and the adjustment difficulty is increased. The damper with the parallel plate type structure has no centering and locking functions, and the structure is required to be additionally made for ensuring the concentricity and locking of mechanical components, so that the structure of the damper is complex.

Disclosure of Invention

The embodiment of the application provides a conical surface damper, which aims to solve the problems that a damper with a parallel plate type structure in the related art has no centering and locking functions, and the structure needs to be additionally made to ensure the concentricity and locking of a mechanical component, so that the structure of the damper is complex.

The embodiment of the present application provides a conical surface damper, including:

the conical surface damping assembly comprises a fixed conical sleeve and a movable conical body which are matched with each other, one end of the fixed conical sleeve is provided with a conical hole matched with the movable conical body, and one end of the movable conical body is positioned in the conical hole and is provided with a conical surface contacted with the conical hole;

the damping adjusting assembly comprises a tensioning shaft penetrating into the fixed taper sleeve and the movable taper body, an adjusting nut for adjusting the friction force of the fixed taper sleeve and the movable taper body is arranged at one end of the tensioning shaft, and a locking handle is connected to the other end of the tensioning shaft in a threaded mode.

In some embodiments: the other end of fixed taper sleeve is equipped with the shoulder hole, be equipped with the cover and establish the epaxial thrust ball bearing of take-up in the shoulder hole, thrust ball bearing's one end and fixed taper sleeve butt, be equipped with the cover between thrust ball bearing's one end and the adjusting nut and establish the epaxial flexible elastic component of take-up.

In some embodiments: the telescopic elastic part is a disc spring group formed by overlapping a plurality of disc springs, and a gasket sleeved on the tensioning shaft is arranged between the disc spring group and the adjusting nut.

In some embodiments: the stepped hole is internally provided with a stop locking nut which is sleeved on the tensioning shaft, the stop locking nut is in threaded connection with the tensioning shaft, and one end of the tensioning shaft, which is far away from the adjusting nut, is provided with a limiting shaft shoulder which is abutted against the stop locking nut.

In some embodiments: the other end of the tensioning shaft is provided with a threaded hole connected with the locking handle, the locking handle comprises a screw rod in threaded connection with the tensioning shaft, and a hand wheel fixed at one end of the screw rod.

In some embodiments: and a rotating body is arranged at one end of the movable cone far away from the fixed taper sleeve and is fixedly connected with the movable cone.

In some embodiments: the one end that the activity cone was kept away from to fixed taper sleeve is equipped with the fixing base, fixing base and fixed taper sleeve fixed connection, set up on the fixing base and penetrate the through-hole of straining shaft.

In some embodiments: an angle limiting shaft is arranged at one end, close to the fixed taper sleeve, of the movable taper sleeve, and an arc-shaped groove matched with the angle limiting shaft is arranged at one end, close to the movable taper sleeve, of the fixed taper sleeve.

In some embodiments: the movable cone is internally provided with a mounting hole for penetrating the tensioning shaft, and one end of the tensioning shaft is positioned in the mounting hole and follows the movable cone to rotate synchronously.

In some embodiments: the mounting hole is a stepped hole, and one end of the tensioning shaft is provided with a boss abutted to the stepped hole.

The beneficial effect that technical scheme that this application provided brought includes:

the embodiment of the application provides a conical surface damper, and the conical surface damper is provided with a conical surface damping assembly, wherein the conical surface damping assembly comprises a fixed conical sleeve and a movable conical body which are matched with each other; the damping adjustment assembly comprises a tensioning shaft penetrating into the fixed taper sleeve and the movable taper body, an adjusting nut for adjusting the friction force of the fixed taper sleeve and the movable taper body is arranged at one end of the tensioning shaft, and a locking handle is connected to the other end of the tensioning shaft in a threaded manner.

Therefore, the conical surface damping assembly is provided with the fixed taper sleeve and the movable taper body which are matched with each other, and the fixed taper sleeve and the movable taper body are in mutual contact friction fit through the taper hole and the taper surface. A smaller axial force can be used between the fixed taper sleeve and the movable taper body to generate a larger radial force, so that the friction force is increased, and if the taper angles of the tapered hole and the tapered surface are changed, a larger friction gain can be realized. The friction force between the fixed taper sleeve and the movable taper body is adjusted through the damping adjusting assembly, the movable taper body rotates when the external force is larger than the friction force between the fixed taper sleeve and the movable taper body, and the fixed taper sleeve and the movable taper body are clamped tightly by screwing the locking handle to drive the tensioning shaft to move axially after the movable taper body rotates to a proper position. Because the taper hole and the taper surface have self-centering function, the position degree of an object connected to the movable cone can be ensured and fixed. After the locking handle is loosened, the fixed taper sleeve and the movable taper recover the original pressure value, so that the original damping friction force is recovered.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

fig. 2 is a structural sectional view of an embodiment of the present application.

Reference numerals are as follows:

1. fixing a taper sleeve; 2. a movable cone; 3. tightening the shaft; 4. locking the handle; 5. adjusting the nut; 6. a thrust ball bearing; 7. a flexible elastic member; 8. stopping the locking nut; 9. an angle limiting shaft; 10. a rotating body; 11. a fixed seat.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides a conical surface damper, which can solve the problem that a damper with a parallel plate type structure in the related art has no centering and locking functions, and the structure needs to be additionally made to ensure the concentricity and locking of a mechanical component, so that the structure of the damper is complex.

Referring to fig. 1 and 2, an embodiment of the present application provides a conical surface damper, including:

the conical surface damping component comprises a fixed taper sleeve 1 and a movable taper body 2 which are matched with each other, a tapered hole matched with the movable taper body 2 is formed in one end of the fixed taper sleeve 1, and one end of the movable taper body 2 is located in the tapered hole of the fixed taper sleeve 1 and is provided with a tapered surface contacted with the tapered hole. The taper hole of the fixed taper sleeve 1 and the taper surface of the movable taper body 2 are mutually attached to form a friction pair, and the mutual resistance can be adjusted by changing the contact pressure between the taper hole of the fixed taper sleeve 1 and the taper surface of the movable taper body 2. A mounting hole for penetrating the tensioning shaft 3 is arranged in the movable cone 2, and one end of the tensioning shaft 3 is positioned in the mounting hole and synchronously rotates along with the movable cone 2. This mounting hole is the shoulder hole, and the one end of taut axle 3 is equipped with the boss with the shoulder hole butt to prevent that activity cone 2 from droing at taut axle 3.

The damping adjusting assembly comprises a tensioning shaft 3 penetrating into a fixed taper sleeve 1 and a movable taper body 2, an adjusting nut 5 for adjusting the friction force of the fixed taper sleeve 1 and the movable taper body 2 is arranged at one end of the tensioning shaft 3, and a locking handle 4 is connected to the other end of the tensioning shaft 3 through threads. The tensioning shaft 3 penetrates into the fixed taper sleeve 1 and the movable taper body 2, an adjusting nut 5 and a locking handle 4 are respectively in threaded connection with the two ends of the tensioning shaft 3, and the fixed taper sleeve 1 and the movable taper body 2 are clamped between the adjusting nut 5 and the locking handle 4. The friction resistance between the fixed taper sleeve 1 and the movable taper body 2 can be adjusted by rotating the adjusting nut 5, and the movable taper body 2 can be fixed on the fixed taper sleeve 1 at a set angle by screwing the locking handle 4.

The conical surface damping assembly of the embodiment of the application is provided with the fixed taper sleeve 1 and the movable taper sleeve 2 which are matched with each other, and the fixed taper sleeve 1 and the movable taper sleeve 2 are in mutual contact friction fit through the taper hole and the taper surface. The fixed taper sleeve 1 and the movable taper body 2 can generate larger radial force with smaller axial force, thereby increasing the friction force, and if the taper angle of the taper hole and the taper surface is changed, larger friction gain can be realized. The frictional force between the fixed taper sleeve 1 and the movable taper body 2 is adjusted through the damping adjusting assembly, when the external force is larger than the frictional force between the fixed taper sleeve 1 and the movable taper body 2, the movable taper body 2 rotates, and after the movable taper sleeve rotates to a proper position, the tightening handle 4 is screwed up to drive the tightening shaft 3 to move axially to clamp the fixed taper sleeve 1 and the movable taper body 2. Because the taper hole and the taper surface have self-centering function, the position degree of an object connected on the movable cone 2 can be ensured and fixed. After the locking handle 4 is loosened, the fixed taper sleeve 1 and the movable taper body 2 recover the original pressure value, so that the original damping friction force is recovered.

In some alternative embodiments: referring to fig. 2, in the conical surface damper provided in the embodiments of the present application, a stepped hole is formed in one end of a fixed taper sleeve 1, which is far away from a movable taper body 2, a thrust ball bearing 6, which is sleeved on a tensioning shaft 3, is arranged in the stepped hole, one end of the thrust ball bearing 6 abuts against a stepped hole step surface of the fixed taper sleeve 1, and a telescopic elastic member 7, which is sleeved on the tensioning shaft 3, is arranged between one end of the thrust ball bearing 6 and an adjusting nut 5. The elastic member 7 is preferably, but not limited to, a disc spring set formed by stacking a plurality of disc springs, and a gasket sleeved on the tension shaft 3 is arranged between the disc spring set and the adjusting nut 5.

The one end of keeping away from movable cone 2 at fixed taper sleeve 1 is equipped with the shoulder hole in this application embodiment, and this shoulder hole is used for the installation and holds thrust ball bearing 6, and thrust ball bearing 6 is with the axial force of bearing tensioning shaft 3 and follow tensioning shaft 3 rotary motion. A telescopic elastic part 7 sleeved on the tensioning shaft 3 is arranged between one end of the thrust ball bearing 6 and the adjusting nut 5, the telescopic elastic part 7 not only enables the fixed taper sleeve 1 and the movable taper body 2 to be clamped mutually to generate friction force, but also provides elastic support for axial reciprocating motion of the tensioning shaft 3, so that the fixed taper sleeve 1 and the movable taper body 2 are tightly attached to each other.

In some alternative embodiments: referring to fig. 2, in the conical surface damper provided in the embodiments of the present application, a locking nut 8 sleeved on a tensioning shaft 3 is further disposed in a stepped hole of the conical surface damper, the locking nut 8 is in threaded connection with the tensioning shaft 3, a limiting shaft shoulder abutted against the locking nut 8 is disposed at one end of the tensioning shaft 3, which is far away from an adjusting nut 5, and a gasket sleeved on the tensioning shaft 3 is disposed between the locking nut 8 and the limiting shaft shoulder. When the tightening shaft 3 moves to a set position in a direction close to the fixed taper sleeve 1, the gasket is in contact with the step surface of the stepped hole to limit the tightening shaft 3 from continuing to move axially.

This application embodiment still is equipped with the locking lock nut 8 that the cover was established on tensioning axle 3 in the shoulder hole, keeps away from adjusting nut 5's one end on tensioning axle 3 and is equipped with the spacing shaft shoulder with 8 butts of locking lock nut, is equipped with the gasket that the cover was established on tensioning axle 3 between locking lock nut 8 and the spacing shaft shoulder. The stop lock nut 8 and the limit shaft shoulder are used for locking a gasket, and the gasket is used for contacting with the step surface of the stepped hole to limit the tightening shaft 3 to continue to move axially when the tightening shaft 3 moves to a set position along the direction close to the fixed taper sleeve 1. At this time, the clamping force between the fixed taper sleeve 1 and the movable taper body 2 is applied by screwing the locking handle 4, and the movable taper body 2 is fixed on the fixed taper sleeve 1 at a set angle, so that the circumferential positioning of the movable taper body 2 is realized.

In some alternative embodiments: referring to fig. 2, the embodiment of the present application provides a conical damper, one end of a tensioning shaft 3 close to a movable cone 2 of the conical damper is provided with a threaded hole in threaded connection with a locking handle 4, and the locking handle 4 comprises a screw in threaded connection with the threaded hole of the tensioning shaft 3, and a hand wheel fixed at one end of the screw. During the use through the elasticity of manual regulation locking handle 4 can adjust the frictional force between fixed taper sleeve 1 and the activity cone 2, be convenient for adjust according to actual need is nimble when using.

In some alternative embodiments: referring to fig. 1 and 2, the embodiment of the present application provides a conical surface damper, wherein a rotating body 10 is arranged at one end of a movable cone 2 of the conical surface damper, which is far away from a fixed cone sleeve 1, and the rotating body 10 is fixedly connected with the movable cone 2. One end of the fixed taper sleeve 1 far away from the movable taper body 2 is provided with a fixed seat 11, the fixed seat 11 is fixedly connected with the fixed taper sleeve 1, and a through hole penetrating into the tensioning shaft 3 is formed in the fixed seat 11. An angle limiting shaft 9 is arranged at one end, close to the fixed taper sleeve 1, of the movable taper sleeve 2, and an arc-shaped groove matched with the angle limiting shaft 9 is arranged at one end, close to the movable taper sleeve 2, of the fixed taper sleeve 1.

This application embodiment is equipped with fixing base 11 in the one end that activity cone 2 was kept away from to fixed taper sleeve 1, and this fixing base 11 is used for fixing fixed taper sleeve 1 in the settlement position. The rotating body 10 is an active rotating member, and the rotating speed of the rotating body 10 is adjusted by changing the frictional force between the fixed cone sleeve 1 and the movable cone 2. The angle limiting shaft 9 located on the fixed taper sleeve 1 is matched with the arc-shaped groove of the fixed taper sleeve 1 to limit the rotation angle of the movable taper body 2, and when the angle limiting shaft 9 is abutted to the arc-shaped groove, the rotation motion of the movable taper body 2 is limited.

Principle of operation

The embodiment of the application provides a conical surface damper, and the conical surface damper is provided with a conical surface damping assembly, wherein the conical surface damping assembly comprises a fixed conical sleeve 1 and a movable conical body 2 which are matched with each other, one end of the fixed conical sleeve 1 is provided with a conical hole matched with the movable conical body 2, and one end of the movable conical body 2 is positioned in the conical hole and is provided with a conical surface contacted with the conical hole; the damping adjustment assembly comprises a tensioning shaft 3 penetrating into a fixed taper sleeve 1 and a movable taper body 2, an adjusting nut 5 for adjusting the friction force of the fixed taper sleeve 1 and the movable taper body 2 is arranged at one end of the tensioning shaft 3, and a locking handle 4 is connected to the other end of the tensioning shaft 3 through threads.

Therefore, the conical surface damping assembly of this application has set up fixed taper sleeve 1 and activity cone 2 of mutually supporting, through bell mouth and the mutual contact friction fit of conical surface between fixed taper sleeve 1 and the activity cone 2. The fixed taper sleeve 1 and the movable taper body 2 can generate larger radial force with smaller axial force, thereby increasing the friction force, and if the taper angle of the taper hole and the taper surface is changed, larger friction gain can be realized. The friction force between the fixed taper sleeve 1 and the movable taper body 2 is adjusted through the damping adjusting assembly, and when the external force is larger than the friction force between the fixed taper sleeve 1 and the movable taper body 2, the movable taper body 2 rotates. After the movable cone 2 rotates to a proper position, the locking handle 4 is screwed down to drive the tightening shaft 3 to move axially so as to clamp the fixed taper sleeve 1 and the movable cone 2. Because the taper hole and the taper surface have self-centering function, the position degree of an object connected on the movable cone 2 can be ensured and fixed. After the locking handle 4 is loosened, the fixed taper sleeve 1 and the movable taper body 2 recover the original pressure value, so that the original damping friction force is recovered.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be 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 application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A cone damper, comprising:

the conical surface damping assembly comprises a fixed conical sleeve (1) and a movable conical body (2) which are matched with each other, wherein one end of the fixed conical sleeve (1) is provided with a conical hole matched with the movable conical body (2), and one end of the movable conical body (2) is positioned in the conical hole and is provided with a conical surface contacted with the conical hole;

damping adjustment subassembly, damping adjustment subassembly is including penetrating tensioning shaft (3) in fixed taper sleeve (1) and activity cone (2), the one end of tensioning shaft (3) is equipped with adjusting nut (5) of adjusting fixed taper sleeve (1) and activity cone (2) frictional force, the other end threaded connection of tensioning shaft (3) has locking handle (4).

2. A cone damper as defined in claim 1 wherein:

the other end of fixed taper sleeve (1) is equipped with the shoulder hole, be equipped with thrust ball bearing (6) that the cover was established on tensioning axle (3) in the shoulder hole, the one end and the fixed taper sleeve (1) butt of thrust ball bearing (6), be equipped with between the one end of thrust ball bearing (6) and adjusting nut (5) and establish flexible elastic component (7) on tensioning axle (3).

3. A cone damper as defined in claim 2 wherein:

the telescopic elastic part (7) is a disc spring group formed by overlapping a plurality of disc springs, and a gasket sleeved on the tensioning shaft (3) is arranged between the disc spring group and the adjusting nut (5).

4. A cone damper as defined in claim 2 wherein:

still be equipped with in the shoulder hole and establish locking nut (8) of establishing on straining shaft (3), locking nut (8) and straining shaft (3) threaded connection, the one end of keeping away from adjusting nut (5) on straining shaft (3) is equipped with the spacing shoulder with locking nut (8) butt.

5. A cone damper as defined in claim 1 wherein:

the other end of the tensioning shaft (3) is provided with a threaded hole connected with the locking handle (4), and the locking handle (4) comprises a screw rod connected with the tensioning shaft through threads and a hand wheel fixed at one end of the screw rod.

6. A cone damper as defined in claim 1 wherein:

and a rotating body (10) is arranged at one end, far away from the fixed taper sleeve (1), of the movable taper body (2), and the rotating body (10) is fixedly connected with the movable taper body (2).

7. A cone damper as defined in claim 1 wherein:

the one end that fixed taper sleeve (1) kept away from activity cone (2) is equipped with fixing base (11), fixing base (11) and fixed taper sleeve (1) fixed connection, seted up on fixing base (11) and penetrated the through-hole of straining shaft (3).

8. A cone damper as defined in claim 1 wherein:

an angle limiting shaft (9) is arranged at one end, close to the fixed taper sleeve (1), of the movable taper sleeve (2), and an arc-shaped groove matched with the angle limiting shaft (9) is arranged at one end, close to the movable taper sleeve (2), of the fixed taper sleeve (1).

9. A cone damper as defined in claim 1 wherein:

the novel multifunctional tensioning device is characterized in that a mounting hole penetrating into the tensioning shaft (3) is formed in the movable cone (2), and one end of the tensioning shaft (3) is located in the mounting hole and follows the movable cone (2) to rotate synchronously.

10. A cone damper as defined in claim 9 wherein:

the mounting hole is a stepped hole, and a boss abutted to the stepped hole is arranged at one end of the tensioning shaft (3).