CN211589965U

CN211589965U - Puller device for disassembling bearing outer ring

Info

Publication number: CN211589965U
Application number: CN201922038052.9U
Authority: CN
Inventors: 段浩辰; 任万勇; 王磊; 王静
Original assignee: Beijing Zhongyan Construction Engineering Co ltd
Current assignee: Beijing Zhongyan Construction Engineering Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-09-29
Anticipated expiration: 2029-11-22

Abstract

The utility model provides a draw horse device for bearing inner race is dismantled, including drawing the horse main part, the pulling handle, the pulling rod, the guide holder, draw the horse seat, the locating plate, the bearing frame, the installation bearing, buffer spring and buffering post, draw horse main part up end to be fixed with the guide holder, guide holder internally mounted has the pulling rod, pulling rod left end face is equipped with the pulling handle, the locating plate is installed to pulling handle right-hand member face, the bearing frame is installed to the locating plate left end face, bearing frame internally mounted has the installation bearing, the pulling seat is installed on the guide holder right side, the buffer spring is installed to pulling seat right-hand member face, buffer spring right-hand member face is connected with the buffering post, this design has solved the not good problem of drawing horse device dismantlement effect that original bearing inner race was dismantled, the utility model discloses rational in infrastructure, the composite erection.

Description

Puller device for disassembling bearing outer ring

Technical Field

The utility model relates to a draw horse device for bearing inner race is dismantled belongs to and draws horse technical field.

Background

The puller is a tool frequently used in mechanical maintenance. The puller is mainly used for axially detaching a damaged bearing from a shaft, can be used as an internal or external puller, and needs to use the puller device for detaching the bearing outer ring when the bearing outer ring is detached.

Among the prior art, the horse device that draws that current bearing inner race was dismantled is when using, and it is convenient inadequately to dismantle the bearing inner race, reduces the progress of dismantling the maintenance to the bearing, and it is not good to dismantle the effect, needs a kind of horse device that draws that is used for bearing inner race to dismantle now promptly to solve the above-mentioned problem that appears.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a draw horse device for bearing inner race is dismantled to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, the composite erection of being convenient for dismantles conveniently, and excellent in use effect.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a draw horse device for bearing inner race is dismantled, includes drawing horse main part and the disassembly body of being convenient for, draw horse main part upside to be provided with the disassembly body of being convenient for, the disassembly body of being convenient for includes pulling handle, pulling rod, guide holder, draws horse seat, locating plate, bearing frame, installation bearing, buffer spring and buffering post, draw horse main part up end to be fixed with the guide holder, guide holder internally mounted has the pulling rod, the pulling rod left end face is equipped with the pulling handle, the locating plate is installed to pulling handle right-hand member face, the bearing frame is installed to the locating plate left end face, bearing frame internally mounted has the installation bearing, the drawing horse seat is installed on the guide holder right side, buffer spring is installed to drawing horse seat right-hand member face, buffer spring right-hand member face is connected with the buffering post.

Furthermore, the upper end face of the puller seat is connected with a bolt, a round hole is formed in the upper end face of the puller main body, internal threads are arranged in the round hole, and the bolt penetrates through the puller seat and is connected with the puller main body through threads.

Furthermore, the right end face of the puller seat is provided with a dismounting hole, the dismounting hole is matched with the dismounting bearing outer ring, the left end face of the puller seat is provided with a separating hole, the separating hole is matched with the dismounting bearing inner ring, and the diameter of the positioning plate is matched with the dismounting bearing inner ring.

Furthermore, a cylindrical hole is formed in the left end face of the positioning plate, an internal thread is arranged inside the cylindrical hole, an external thread is arranged on the right side of the annular side face of the bearing seat, and the bearing seat is connected with the positioning plate through the thread.

Furthermore, the pulling rod is rotatably connected with the bearing seat and the positioning plate through a mounting bearing.

Furthermore, a buffer hole is formed in the right end face of the puller seat, the inner diameter of the buffer hole is matched with the diameter of the buffer spring, and the diameter of the buffer column is matched with the inner diameter of the buffer hole.

Furthermore, a through hole is formed in the right end face of the guide seat, an internal thread is arranged inside the through hole, an external thread is arranged on the annular side face of the pulling rod, and the guide seat is connected with the pulling rod through a thread.

The utility model has the advantages that: the utility model discloses a draw horse device for bearing inner race is dismantled, because of the utility model discloses add pulling handle, pulling rod, guide holder, draw horse seat, locating plate, bearing frame, installation bearing, buffer spring and buffering post, this design is convenient for dismantle bearing inner race, has solved the not good problem of drawing horse device dismantlement effect that original bearing inner race was dismantled, has improved the utility model discloses a dismantle the convenience.

Because of the puller seat up end is connected with the bolt, the round hole has been seted up to puller main part up end, and the inside internal thread that is provided with of round hole, the bolt runs through the puller seat and is connected through the screw thread with the puller main part, this design has strengthened the firm nature of junction through using threaded connection, the hole of dismantling has been seted up because of puller seat right-hand member face, and dismantle the hole and dismantle bearing inner race phase-match, the separation hole has been seted up to puller seat left end face, and the separation hole with dismantle bearing inner race phase-match, the locating plate diameter with dismantle bearing inner race phase-match, this design is convenient for fix a position the bearing that needs the dismantlement, the utility model discloses rational in infrastructure, the composite erection of being convenient for, it.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a puller device for disassembling a bearing outer ring according to the present invention;

fig. 2 is a front sectional view of a mechanism convenient to disassemble in a puller device for disassembling an outer ring of a bearing of the present invention;

fig. 3 is an enlarged view of a drawing device a for disassembling an outer ring of a bearing according to the present invention;

in the figure: 1-a puller main body, 2-a mechanism convenient to disassemble, 21-a pulling handle, 22-a pulling rod, 23-a guide seat, 24-a puller seat, 25-a positioning plate, 26-a bearing seat, 27-an installation bearing, 28-a buffer spring, 29-a buffer column and 241-a bolt.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a draw horse device for bearing inner race is dismantled, includes and draws horse main part 1 and the mechanism of being convenient for dismantle 2, draws 1 upside of horse main part to be provided with the mechanism of being convenient for dismantle 2.

Mechanism 2 includes pulling handle 21, pulling rod 22, guide holder 23, pulling seat 24, locating plate 25, bearing frame 26, installation bearing 27, buffer spring 28 and buffering post 29, pulling 1 up end of the horse main part is fixed with guide holder 23, guide holder 23 internally mounted has pulling rod 22, pulling rod 22 left end face is equipped with pulling handle 21, locating plate 25 is installed to pulling handle 21 right-hand member face, bearing frame 26 is installed to locating plate 25 left end face, bearing frame 26 internally mounted has installation bearing 27, pulling seat 24 is installed on guide holder 23 right side, buffer spring 28 is installed to pulling seat 24 right-hand member face, buffer spring 28 right-hand member face is connected with buffering post 29, the not good problem of the pulling device dismantlement effect of original bearing inner race has been solved in this design.

The upper end surface of the puller seat 24 is connected with a bolt 241, the upper end surface of the puller main body 1 is provided with a round hole, and the inner part of the round hole is provided with internal threads, the bolt 241 penetrates through the puller seat 24 to be connected with the puller main body 1 through threads, the design enhances the firmness of the connection part by using threaded connection, the right end surface of the puller seat 24 is provided with a dismounting hole, the disassembly hole is matched with the outer ring of the disassembly bearing, the left end surface of the puller seat 24 is provided with a separation hole which is matched with the inner ring of the disassembly bearing, the diameter of the positioning plate 25 is matched with the inner ring of the disassembly bearing, the design is convenient for positioning the bearing to be disassembled, the left end surface of the positioning plate 25 is provided with a cylindrical hole, and the cylindrical hole is internally provided with internal threads, the right side of the annular side surface of the bearing seat 26 is provided with external threads, the bearing seat 26 is connected with the positioning plate 25 through threads, this design is through using threaded connection, and simple structure is convenient for bearing frame 26 and locating plate 25 to be connected fixedly.

The pulling rod 22 is rotatably connected with the bearing seat 26 and the positioning plate 25 through the mounting bearing 27, when the pulling rod 22 is rotated by using the mounting bearing 27 in the design, the positioning plate 25 and the bearing seat 26 do not rotate along with the pulling rod, a buffer hole is formed in the right end face of the pulling seat 24, the inner diameter of the buffer hole is matched with the diameter of the buffer spring 28, the diameter of the buffer column 29 is matched with the inner diameter of the buffer hole, the buffer spring 28 and the buffer column 29 can move left and right in the buffer hole conveniently in the design, a through hole is formed in the right end face of the guide seat 23, an internal thread is arranged in the through hole, an annular side face of the pulling rod 22 is provided with an external thread, the guide seat 23 is connected with the pulling rod 22 through the threads.

As an embodiment of the present invention: when needs dismantle the maintenance bearing, the staff through with the maintenance bearing along the dismantlement hole put into with the puller seat 24 phase-match, then rotate pulling handle 21 thereby drive pulling rod 22 and rotate, pulling rod 22 rotates and moves left side along guide holder 23 under threaded connection's effect, when installation bearing 27 played pulling rod 22 and rotates, locating plate 25 and bearing frame 26 are not pivoted effect thereupon, thereby pulling rod 22 moves left side and drives locating plate 25 and move left side, locating plate 25 moves left side and drives the interior circle of maintenance bearing and move left side, the interior circle of maintenance bearing flows out along the separation hole, buffer spring 28 exerts a power of rightwards to buffer column 29 this moment, thereby buffer column 29 moves right side and drives the interior circle of maintenance bearing and move right side, realized convenient to detach's purpose, improved the utility model discloses a practicality.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a draw horse device for bearing inner race is dismantled, includes and draws horse main part and the mechanism of being convenient for dismantle, its characterized in that: the upper side of the puller main body is provided with a mechanism convenient to disassemble;

the disassembly body of being convenient for includes pulling handle, pulling rod, guide holder, puller seat, locating plate, bearing frame, installation bearing, buffer spring and buffering post, puller main part up end is fixed with the guide holder, guide holder internally mounted has the pulling rod, pulling rod left end face is equipped with the pulling handle, the locating plate is installed to pulling handle right-hand member face, the bearing frame is installed to locating plate left end face, bearing frame internally mounted has the installation bearing, the puller seat is installed on the guide holder right side, buffer spring is installed to puller seat right-hand member face, buffer spring right-hand member face is connected with the buffering post.

2. The puller device for disassembling the bearing outer ring according to claim 1, wherein: the screw extractor is characterized in that a bolt is connected to the upper end face of the screw extractor base, a round hole is formed in the upper end face of the screw extractor main body, internal threads are arranged inside the round hole, and the bolt penetrates through the screw extractor base and is connected with the screw extractor main body through threads.

3. The puller device for disassembling the bearing outer ring according to claim 1, wherein: the bearing disassembling device is characterized in that a disassembling hole is formed in the right end face of the puller seat and is matched with a disassembling bearing outer ring, a separating hole is formed in the left end face of the puller seat and is matched with a disassembling bearing inner ring, and the diameter of the positioning plate is matched with the disassembling bearing inner ring.

4. The puller device for disassembling the bearing outer ring according to claim 1, wherein: cylindrical hole has been seted up to locating plate left end face, and the inside internal thread that is provided with in cylindrical hole, bearing frame annular side right side is provided with the external screw thread, the bearing frame is connected through the screw thread with the locating plate.

5. The puller device for disassembling the bearing outer ring according to claim 1, wherein: the pulling rod is rotatably connected with the bearing seat and the positioning plate through a mounting bearing.

6. The puller device for disassembling the bearing outer ring according to claim 1, wherein: the right end face of the puller seat is provided with a buffer hole, the inner diameter of the buffer hole is matched with the diameter of the buffer spring, and the diameter of the buffer column is matched with the inner diameter of the buffer hole.

7. The puller device for disassembling the bearing outer ring according to claim 1, wherein: the guide holder has seted up the through-hole right-hand member face, and the through-hole is inside to be provided with the internal thread, the pulling rod annular side is provided with the external screw thread, the guide holder is connected through the screw with the pulling rod.