CN214771533U

CN214771533U - Fixing device for needle bearing

Info

Publication number: CN214771533U
Application number: CN202120717384.4U
Authority: CN
Inventors: 陈毓波
Original assignee: Suzhou Quanton Auto Parts Co ltd
Current assignee: Suzhou Quanton Auto Parts Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-11-19
Anticipated expiration: 2031-04-08

Abstract

The utility model is suitable for a bearing fixing technical field provides a fixing device for a needle bearing, which comprises a limiting component, wherein the limiting component comprises a shell, two clamping components are symmetrically arranged at the top of the shell, and each clamping component is connected with the shell; the clamping assembly comprises an electric cylinder, the electric cylinder is positioned above the shell, and the electric cylinder is connected with the shell through a connecting piece; an arc-shaped piece is arranged above the electric cylinder, an output shaft of the electric cylinder is connected with the arc-shaped piece through an upright post, and the upright post is connected with the shell in a sliding manner; an elastic layer is pasted on the inner wall of the arc-shaped piece and is detachably connected with the arc-shaped piece; by arranging the elastic layer, the elastic layer can not only protect the outer wall of the bearing from abrasion during clamping, but also improve the friction force between the outer wall of the bearing and the arc-shaped part, so that the bearing and the arc-shaped part are more stable and firm; and the elastic layer is convenient to detach and replace from the arc-shaped part through the inserting keys and the inserting grooves, so that the cost is saved.

Description

Fixing device for needle bearing

Technical Field

The utility model belongs to the technical field of the bearing is fixed, especially, relate to a fixing device for bearing.

Background

Needle roller bearings, a roller bearing with cylindrical rollers, are thin and long with respect to their diameter, such rollers being called needles. The needle roller bearing has high load bearing capacity despite its small cross section, is compact in radial structure because of the thin and long rollers, has the same inner diameter size and load capacity as other types of bearings, has the smallest outer diameter, and is particularly suitable for supporting structures with limited radial runout size.

When the bearing is clamped at present, the outer wall of the bearing is easy to damage; on the other hand, the clamped bearing cannot be adjusted in angle and cannot adapt to different use environments.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fixing device for a needle bearing, which aims to solve the problem that the outer wall of the bearing is easy to be damaged when the bearing is clamped at present; on the other hand, the clamped bearing cannot be adjusted in angle and cannot adapt to different use environments.

The utility model is realized in such a way, the fixing device for the needle bearing comprises a limiting component, the limiting component comprises a shell, two clamping components are symmetrically arranged at the top of the shell, and each clamping component is connected with the shell; the clamping assembly comprises an electric cylinder, the electric cylinder is positioned above the shell, and the electric cylinder is connected with the shell through a connecting piece; an arc-shaped part is arranged above the electric cylinder, an output shaft of the electric cylinder is connected with the arc-shaped part through an upright post, and the upright post is connected with the shell in a sliding manner; the inner wall of arc spare is pasted and is equipped with the elastic layer, the elastic layer with the connection can be dismantled to the arc spare.

Preferably, the device further comprises an adjusting component; the adjusting assembly comprises a base, the base is positioned below the shell, and a supporting seat is arranged on the top wall of the base; the inner part of the supporting seat is vertically provided with a first rotating shaft, the first rotating shaft is rotatably connected with the supporting seat, and the first rotating shaft is fixedly connected with the shell.

Preferably, a motor is arranged on one side of the first rotating shaft and is fixedly connected with the supporting seat; a second rotating shaft is installed on an output shaft of the motor; the outer wall of the first rotating shaft is sleeved with a large gear, the outer wall of the second rotating shaft is sleeved with a small gear, and the large gear is meshed with the small gear.

Preferably, the top of the housing has an opening through which the post passes and extends into the interior of the housing; a guide rail is arranged in the shell, and two ends of the guide rail are fixedly connected with the shell; the outer wall of the guide rail is sleeved with a sliding sleeve, and the sliding sleeve is fixedly connected with the upright post.

Preferably, the outer wall of the elastic layer is provided with at least one inserting key; the inside of arc spare has with the slot that the inserted key corresponds, the inserted key with the slot looks adaptation.

Preferably, the base is provided with two bolt holes which are symmetrical left and right and matched with bolts.

Compared with the prior art, the beneficial effects of the utility model are that: by arranging the elastic layer, the elastic layer can not only protect the outer wall of the bearing from abrasion during clamping, but also improve the friction force between the outer wall of the bearing and the arc-shaped part, so that the bearing and the arc-shaped part are more stable and firm; the elastic layer is convenient to detach and replace from the arc-shaped piece through the inserting keys and the inserting grooves, so that the cost is saved;

through setting up adjusting part, when the user needs the angle of adjusting bearing, open the motor, make the output shaft of motor drive two rotations of pivot, further drive pinion toothing gear wheel, pivot one reduces for two slew velocity of pivot this moment, has nevertheless improved the moment of torsion of pivot one to can drive the shell and slowly rotate, adjust bearing pivoted angle, in order to adapt to different service environment.

Drawings

Fig. 1 is an overall front view of the present invention;

fig. 2 is a cross-sectional view of the housing of the present invention;

FIG. 3 is a cross-sectional view of the base and the support base of the present invention;

fig. 4 is a partial cross-sectional view of an arcuate member of the present invention;

in the figure: 1. a limiting component; 11. a housing; 12. a clamping assembly; 121. an electric cylinder; 122. a connecting member; 123. an arcuate member; 124. a column; 125. an elastic layer; 126. a sliding sleeve; 127. inserting a key; 128. a slot; 13. an opening; 14. a guide rail; 2. an adjustment assembly; 21. a base; 22. a supporting seat; 23. a first rotating shaft; 24. a motor; 25. a second rotating shaft; 26. a bull gear; 27. a pinion gear; 28. bolt holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which 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 may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, a fixing device for a needle bearing includes a limiting assembly 1, the limiting assembly 1 includes a housing 11, two clamping assemblies 12 are symmetrically disposed on the top of the housing 11, and each clamping assembly 12 is connected to the housing 11; the clamping assembly 12 comprises an electric cylinder 121, the electric cylinder 121 is positioned above the shell 11, and the electric cylinder 121 and the shell 11 are connected through a connecting piece 122; an arc-shaped piece 123 is arranged above the electric cylinder 121, an output shaft of the electric cylinder 121 is connected with the arc-shaped piece 123 through a column 124, and the column 124 is connected with the shell 11 in a sliding mode.

The top of the housing 11 has an opening 13, and the pillar 124 passes through the opening 13 and extends to the inside of the housing 11; a guide rail 14 is arranged in the shell 11, and two ends of the guide rail 14 are fixedly connected with the shell 11; the outer wall of the guide rail 14 is sleeved with a sliding sleeve 126, and the sliding sleeve 126 is fixedly connected with the upright post 124.

In this embodiment, the housing 11 is provided to support the two clamping assemblies 12 by providing the housing 11. By arranging the two clamping assemblies 12, the two clamping assemblies 12 respectively clamp two ends of the bearing. By providing electric cylinder 121 and link 122, electric cylinder 121 is mounted on housing 11 via link 122. By providing the arc-shaped member 123 and the column 124, the output shaft of the electric cylinder 121 is connected to the arc-shaped member 123 through the column 124. By providing the arc-shaped member 123, the shape just fits the round shape of the outer side of the bearing, and the bearing can be effectively fixed by clamping the outer side of the bearing.

Through setting up guide rail 14 and sliding sleeve 126, when electric cylinder 121 worked, electric cylinder 121's output shaft drove arc 123 and slided in the horizontal direction, and stand 124 passes through sliding sleeve 126 synchronous movement on guide rail 14 this moment to provide the direction for the horizontal migration of arc 123.

Referring to fig. 4, an elastic layer 125 is attached to an inner wall of the arc member 123, and the elastic layer 125 is detachably connected to the arc member 123. The elastic layer 125 has at least one key 127 on the outer wall; the arc 123 has a slot 128 corresponding to the key 127 in the interior, and the key 127 fits into the slot 128.

In this embodiment, by providing the elastic layer 125, wherein the elastic layer 125 can be a rubber layer, the elastic layer 125 can not only protect the outer wall of the bearing from being worn during clamping, but also improve the friction between the outer wall of the bearing and the arc-shaped member 123, so that the outer wall of the bearing and the arc-shaped member 123 are more stable and firm. By providing the insertion key 127 and the insertion slot 128, the user can detach and replace the elastic layer 125 from the arc-shaped member 123 through the insertion key 127 and the insertion slot 128, so as to achieve the purpose of saving cost.

Please refer to fig. 1 and fig. 3, further comprising an adjusting assembly 2; the adjusting assembly 2 comprises a base 21, the base 21 is positioned below the shell 11, and a supporting seat 22 is installed on the top wall of the base 21; a first rotating shaft 23 is vertically arranged inside the supporting seat 22, the first rotating shaft 23 is rotatably connected with the supporting seat 22, and the first rotating shaft 23 is fixedly connected with the shell 11. A motor 24 is arranged on one side of the first rotating shaft 23, and the motor 24 is fixedly connected with the supporting seat 22; a second rotating shaft 25 is mounted on an output shaft of the motor 24; the outer wall of the first rotating shaft 23 is sleeved with a large gear 26, the outer wall of the second rotating shaft 25 is sleeved with a small gear 27, and the large gear 26 is meshed with the small gear 27. Two bolt holes 28 which are symmetrical left and right and matched with bolts are arranged on the base 21.

In the present embodiment, the base 21 is provided, and the present apparatus is attached to an external device by the base 21 through bolts and bolt holes 28. By arranging the first rotating shaft 23, the motor 24 and the second rotating shaft 25, when a user needs to adjust the angle of the bearing, the motor 24 is started, the output shaft of the motor 24 drives the second rotating shaft 25 to rotate, the pinion 27 is further driven to be meshed with the bull gear 26, the rotating speed of the first rotating shaft 23 is reduced relative to the second rotating shaft 25, the torque of the first rotating shaft 23 is increased, and therefore the shell 11 can be driven to rotate slowly, and the rotating angle of the bearing can be adjusted.

To sum up, when the device is used, the device is firstly moved to a proper position and then is installed on external equipment through bolts, and then the two electric cylinders 121 are opened, so that the output shafts of the two electric cylinders 121 drive the two arc-shaped members 123 to slide in the horizontal direction until the bearing is clamped, and the bearing is fixed; subsequently, the motor 24 is started, the output shaft of the motor 24 drives the second rotating shaft 25 to rotate, the pinion 27 is further driven to be meshed with the gearwheel 26, the rotating speed of the first rotating shaft 23 is reduced relative to the second rotating shaft 25, the torque of the first rotating shaft 23 is improved, and therefore the shell 11 can be driven to rotate slowly, the rotating angle of the bearing can be adjusted, and a worker can conveniently process the bearing through an external device.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a fixing device for bearing, includes spacing subassembly (1), its characterized in that: the limiting assembly (1) comprises a shell (11), two clamping assemblies (12) are symmetrically arranged at the top of the shell (11), and each clamping assembly (12) is connected with the shell (11);

the clamping assembly (12) comprises an electric cylinder (121), the electric cylinder (121) is positioned above the shell (11), and the electric cylinder (121) is connected with the shell (11) through a connecting piece (122);

an arc-shaped part (123) is arranged above the electric cylinder (121), an output shaft of the electric cylinder (121) is connected with the arc-shaped part (123) through a stand column (124), and the stand column (124) is connected with the shell (11) in a sliding manner;

the inner wall of arc (123) posts elastic layer (125), elastic layer (125) with arc (123) can dismantle the connection.

2. The needle roller bearing fixing device according to claim 1, wherein: also comprises an adjusting component (2);

the adjusting assembly (2) comprises a base (21), the base (21) is positioned below the shell (11), and a supporting seat (22) is installed on the top wall of the base (21);

the inside of supporting seat (22) is vertically provided with pivot (23), pivot (23) with supporting seat (22) rotate the connection, pivot (23) with shell (11) fixed connection.

3. The needle roller bearing fixing device according to claim 2, wherein: a motor (24) is arranged on one side of the first rotating shaft (23), and the motor (24) is fixedly connected with the supporting seat (22);

a second rotating shaft (25) is mounted on an output shaft of the motor (24);

the cover is established on the outer wall of pivot one (23) and is installed gear wheel (26), the cover is established on the outer wall of pivot two (25) and is installed pinion (27), gear wheel (26) with pinion (27) meshing connection.

4. The needle roller bearing fixing device according to claim 1, wherein: the top of the shell (11) is provided with an opening (13), and the upright post (124) penetrates through the opening (13) and extends to the inside of the shell (11);

a guide rail (14) is arranged in the shell (11), and two ends of the guide rail (14) are fixedly connected with the shell (11);

the outer wall of the guide rail (14) is sleeved with a sliding sleeve (126), and the sliding sleeve (126) is fixedly connected with the upright post (124).

5. The needle roller bearing fixing device according to claim 1, wherein: the outer wall of the elastic layer (125) is provided with at least one inserting key (127);

the arc-shaped piece (123) is internally provided with a slot (128) corresponding to the inserting key (127), and the inserting key (127) is matched with the slot (128).

6. The needle roller bearing fixing device according to claim 2, wherein: two bolt holes (28) which are symmetrical left and right and matched with bolts are arranged on the base (21).