CN213236002U

CN213236002U - Low collar capable of prolonging service life

Info

Publication number: CN213236002U
Application number: CN202022197569.5U
Authority: CN
Inventors: 王文全
Original assignee: Hangzhou Ertian Machinery Co ltd
Current assignee: Hangzhou Ertian Machinery Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-05-18
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a can increase of service life's low axle ring relates to the maintenance technical field of low axle ring, which comprises a frame, the support column is installed to the left side below of frame, the steel ball is installed in the left side of fixed cover, the top centre weld of support column has the cylinder, the top welding of gas pole has the ejector pad, the top of first motion is vice has connect the curved bar soon. The utility model has the advantages that: this can increase of service life's low axle ring, through setting up the telescopic link, the cylinder drives the motion of gas pole, the gas pole drives the ejector pad motion, the ejector pad drives the curved bar motion through first motion pair, the curved bar passes through the motion of second motion pair drive connecting plate, the fixed block that the connecting plate passes through on the pillar drives the vice rotation of third motion, the vice rotation of fourth motion of drive through the connecting rod of third motion, the vice telescopic link that passes through of fourth motion drives the inside casing motion, and the inside casing is provided with four, carry out centering clamping operation with the axle, the locking pine of low axle ring takes off the operation has been realized.

Description

Low collar capable of prolonging service life

Technical Field

The utility model relates to a maintenance technical field of low axle ring specifically is a can increase of service life's low axle ring.

Background

The lower collar, which is a separate annular component, may be fitted over the shaft with the same function as the shoulder. The shaft collar is used because the shaft shoulder is directly used and needs raw materials with larger diameters, the economy is poor, the shaft collar is generally used for positioning parts on a shaft, the shaft collar is a wearing part and is arranged on the shaft to play a role in positioning and balancing, and because the shaft collar is a wearing part, the working efficiency of shaft parts is low, and even the whole system cannot work.

From present production technology, the life of low collar is all about almost all, but can improve the life of low collar from the aspect of the protection on the low collar, and present low collar has the life hangs down, can not accomplish the problem of antifriction and locking effect.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a can increase of service life's low axle collar has solved the life that proposes in the above-mentioned background art and has hanged down, can't accomplish the problem of antifriction and locking pine take off effect.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a low-shaft collar capable of prolonging the service life comprises an outer frame, wherein a supporting column is installed below the left side of the outer frame, a fixed sleeve is installed on the left side of the supporting column, a steel ball is installed on the left side of the fixed sleeve, a cylinder is welded in the middle of the top of the supporting column, a gas rod is installed above the cylinder, a push block is welded above the gas rod, a first kinematic pair is installed on the right side of the top of the push block, a curved rod is screwed on the top of the first kinematic pair, a second kinematic pair is screwed on the right side of the curved rod, a connecting plate is screwed on the bottom of the second kinematic pair, a fixed block is screwed on the left side of the connecting plate, a supporting column is screwed on the bottom of the fixed block, a third kinematic pair is screwed on the right side of the connecting plate, a connecting rod is screwed on the bottom of the third kinematic pair, a fourth kinematic pair is screwed on the bottom of the connecting rod, and a telescopic rod is screwed, an inner frame is welded below the telescopic rod.

Preferably, the horizontal center line of the outer frame coincides with the horizontal center line of the support column, and the horizontal center line of the support column coincides with the horizontal center line of the inner frame.

Preferably, the cylinder passes through and constitutes extending structure between gas pole and the ejector pad, and the flexible length of ejector pad equals with telescopic link movement length.

Preferably, the fixed block forms a rotating structure through the connecting plate and the third kinematic pair, and the rotating angle of the third kinematic pair is 60 °.

Preferably, the fixed sleeve is circular, and the circle center of the fixed sleeve coincides with the horizontal center line of the outer frame.

Preferably, the number of the inner frames is four, and the positions of the four inner frames are distributed in a manner of being distributed in a circle by taking the circle center of the fixed sleeve as the circle center

The utility model provides a can increase of service life's low axle collar possesses following beneficial effect:

1. this can increase of service life's low axle ring, through setting up the steel ball, the support column both sides are provided with fixed cover, are provided with the steel ball in the fixed cover, and the effect of steel ball plays antifriction effect to low axle ring for reducing the contact surface of axle type part and low axle ring, has increased the life of low axle ring.

2. This can increase of service life's low axle ring, through setting up the telescopic link, the cylinder drives the motion of gas pole, the gas pole drives the ejector pad motion, the ejector pad drives the curved bar motion through first motion pair, the curved bar passes through the motion of second motion pair drive connecting plate, the fixed block that the connecting plate passes through on the pillar drives the vice rotation of third motion, the vice rotation of fourth motion of drive through the connecting rod of third motion, the vice telescopic link that passes through of fourth motion drives the inside casing motion, and the inside casing is provided with four, carry out centering clamping operation with the axle, the locking pine of low axle ring takes off the operation has been realized.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is an enlarged schematic view of the structure of fig. 1A according to the present invention.

In the figure: 1. an outer frame; 2. a support pillar; 3. fixing a sleeve; 4. steel balls; 5. a cylinder; 6. a gas lever; 7. a push block; 8. a first kinematic pair; 9. a curved bar; 10. a second kinematic pair; 11. a connecting plate; 12. a fixed block; 13. a pillar; 14. a third kinematic pair; 15. a connecting rod; 16. a fourth kinematic pair; 17. a telescopic rod; 18. an inner frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: a low shaft collar capable of prolonging the service life comprises an outer frame 1, a supporting column 2 is arranged below the left side of the outer frame 1, a fixed sleeve 3 is arranged at the left side of the supporting column 2, steel balls 4 are arranged at the left side of the fixed sleeve 3, a cylinder 5 is welded in the middle of the upper side of the supporting column 2, a gas rod 6 is arranged above the cylinder 5, a push block 7 is welded above the gas rod 6, a first kinematic pair 8 is arranged at the right side of the upper side of the push block 7, a curved rod 9 is screwed above the first kinematic pair 8, a second kinematic pair 10 is screwed below the right side of the curved rod 9, a connecting plate 11 is screwed below the second kinematic pair 10, a fixed block 12 is screwed below the connecting plate 11, a supporting column 13 is screwed below the fixed block 12, a third kinematic pair 14 is screwed below the connecting plate 11, a connecting rod 15 is screwed below the third kinematic pair 14, a fourth kinematic pair 16 is screwed below the connecting rod 15, and a telescopic rod 17 is screwed below the fourth kinematic pair 16, and an inner frame 18 is welded below the telescopic rod 17.

Furthermore, the horizontal center line of the outer frame 1 coincides with the horizontal center line of the support column 2, the horizontal center line of the support column 2 coincides with the horizontal center line of the inner frame 18, the movement track of the inner frame 18 is ensured by determining the position of the support column 2, and the working efficiency of loosening prevention of the low-collar is improved.

Particularly, the cylinder 5 forms a telescopic structure between the air rod 6 and the push block 7, the telescopic length of the push block 7 is equal to the movement length of the telescopic rod 17, the push block 7 on the air rod 6 is driven to move through the cylinder 5, and the accurate control of the movement of the inner frame 18 is realized.

It is worth to say that the fixed block 12 forms a rotating structure through the connecting plate 11 and the third kinematic pair 14, the rotating angle of the third kinematic pair 14 is 60 degrees, the connecting plate 11 rotates to drive the telescopic rod 17 to move, the internal space of the low shaft collar is reduced, and the working efficiency of the low shaft collar is improved.

In addition, fixed cover 3 is the ring form, and the centre of a circle of fixed cover 3 coincides mutually with the horizontal central line of frame 1, is provided with steel ball 4 in the fixed cover 3, and the effect of steel ball 4 is for reducing the contact surface of axle type part and low axle ring, plays antifriction effect to the low axle ring.

In addition, the inner frame 18 is provided with four, and the position distribution of four inner frames 18 is for using the centre of a circle of fixed cover 3 to be the motion that the circumference distributes through inner frame 18 as the centre of a circle, has realized the automatic centering effect of low collar, and has realized the automatic locking operation that takes off of low collar, has improved the life of low collar.

The working principle is as follows: the low shaft collar capable of prolonging the service life is characterized in that during use, firstly, an inner frame 18 of the low shaft collar is sleeved on a shaft, then, a cylinder 5 drives a gas rod 6 to move, the gas rod 6 drives a push block 7 to move, the push block 7 drives a curved rod 9 to move through a first kinematic pair 8, the bending angle of the curved rod 9 is 180 degrees, the volume of the inner space of the low shaft collar is convenient to reduce, the use range of the low shaft collar is improved, then, the curved rod 9 drives a connecting plate 11 to move through a second kinematic pair 10, the connecting plate 11 drives a third kinematic pair 14 to rotate through a fixed block 12 on a strut 13, the rotating angle of the third kinematic pair 14 is 60 degrees, the accurate control of a telescopic rod 17 is convenient, the inner space of the low shaft collar is reduced, the third kinematic pair 14 drives a fourth kinematic pair 16 to rotate through a connecting rod 15, the fourth kinematic pair 16 drives an inner frame 18 to move through the telescopic rod 17, and the inner frame 18, and increased the locking effect of taking off of low axle ring, then, 2 both sides of support column are provided with fixed cover 3, are provided with steel ball 4 in the fixed cover 3, and the effect of steel ball 4 plays antifriction effect to low axle ring for reducing the contact surface of axle type part with low axle ring, has increased the life of low axle ring.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element 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" and "first" 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" or "second" 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 specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A low collar capable of extending the service life, comprising an external frame (1), characterized in that: the support column (2) is installed below the left side of the outer frame (1), the fixed sleeve (3) is installed on the left side of the support column (2), steel balls (4) are installed on the left side of the fixed sleeve (3), a cylinder (5) is welded in the middle of the top of the support column (2), a gas rod (6) is installed above the cylinder (5), a push block (7) is welded above the gas rod (6), a first kinematic pair (8) is installed on the right side of the top of the push block (7), a bent rod (9) is screwed above the first kinematic pair (8), a second kinematic pair (10) is screwed below the right side of the bent rod (9), a connecting plate (11) is screwed below the second kinematic pair (10), a fixed block (12) is screwed below the left side of the connecting plate (11), a support column (13) is screwed below the fixed block (12), a third kinematic pair (14) is screwed below the connecting plate (11), and the below of third motion pair (14) has connect connecting rod (15) soon, the below of connecting rod (15) has connect fourth motion pair (16) soon, and the below of fourth motion pair (16) has connect telescopic link (17) soon, the welding of the below of telescopic link (17) has inside casing (18).

2. A low collar capable of extended service life as claimed in claim 1 wherein: the horizontal center line of the outer frame (1) is overlapped with the horizontal center line of the support column (2), and the horizontal center line of the support column (2) is overlapped with the horizontal center line of the inner frame (18).

3. A low collar capable of extended service life as claimed in claim 1 wherein: the cylinder (5) forms a telescopic structure through the air rod (6) and the push block (7), and the telescopic length of the push block (7) is equal to the movement length of the telescopic rod (17).

4. A low collar capable of extended service life as claimed in claim 1 wherein: the fixed block (12) forms a rotating structure through the connecting plate (11) and the third kinematic pair (14), and the rotating angle of the third kinematic pair (14) is 60 degrees.

5. A low collar capable of extended service life as claimed in claim 1 wherein: the fixed sleeve (3) is in a circular ring shape, and the circle center of the fixed sleeve (3) is coincided with the horizontal central line of the outer frame (1).

6. A low collar capable of extended service life as claimed in claim 1 wherein: the number of the inner frames (18) is four, and the positions of the four inner frames (18) are distributed in a circle by taking the circle center of the fixed sleeve (3) as the circle center.