Movable shaft end baffle

By designing a movable shaft end baffle, and utilizing the circular groove of the shaft pin and the arc groove of the semi-circular baffle for bolt connection, the problem of traditional shaft end baffles requiring drilling for installation is solved, achieving convenient disassembly and assembly and precise positioning, thereby improving the stability of equipment operation and maintenance efficiency.

CN223676770UActive Publication Date: 2025-12-16HENAN JINLI HEAVY IND TECH CO LTD
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Patent Information

Application Number
CN202520323119.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2025-12-16
Estimated Expiration
2035-02-27

AI Technical Summary

Technical Problem

Traditional shaft end baffles require drilling holes in the main structure for installation on large equipment, which makes processing difficult, disassembly and assembly inconvenient, and affects equipment maintenance efficiency and stability.

Method used

Design a movable shaft end baffle, which uses the circular grooves at both ends of the shaft pin and the arc groove of the semi-circular baffle to be connected by bolts, avoiding drilling holes in the main structure, and ensuring the accurate positioning of the semi-circular baffle through positioning pins and positioning holes.

Benefits of technology

It simplifies the processing steps, improves the ease of disassembly and assembly, ensures installation accuracy and equipment stability, reduces labor intensity and maintenance costs, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a movable shaft end baffle, and particularly relates to the technical field of shaft pin baffles, the movable shaft end baffle comprises a shaft pin, two semicircular baffles are respectively distributed at the two ends of the shaft pin up and down, one ends of the two semicircular baffles are jointly provided with a circular baffle, and the surfaces of the semicircular baffles and the circular baffle are provided with a plurality of threaded holes. Bolts are installed in the multiple threaded holes in a threaded mode, and circular grooves are formed in the positions, close to the two corresponding semicircular baffles, of the outer surfaces of the two ends of the shaft pin. According to the shaft end baffle, the mode that a traditional shaft end baffle needs to be punched in a main structure for installation is abandoned, punching operation does not need to be conducted on the main structure, machining steps are greatly simplified, when the shaft end baffle needs to be detached during equipment maintenance and overhaul, convenience and high efficiency are achieved, and labor intensity and maintenance cost are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of shaft pin baffle, more specifically, the utility model relates to a movable shaft end baffle. BACKGROUND

[0002] In the field of mechanical engineering, as a key component for transmitting power and motion, the effective fixation of the axial position of the shaft is crucial for the stable operation of the equipment. The shaft end baffle, as an important device for preventing the longitudinal movement of the pin shaft, is widely used in various mechanical equipment.

[0003] However, the traditional shaft end baffle needs to be installed by punching in the main structure. In the application scenario of large equipment, the processing difficulty is relatively large, and the disassembly and assembly are not convenient. In view of this, the utility model provides a movable shaft end baffle. SUMMARY

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a movable shaft end baffle to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a movable shaft end baffle, comprising a shaft pin, two half-round baffles are distributed on the two ends of the shaft pin, one end of the two half-round baffles is commonly provided with a circular baffle, a plurality of threaded holes are formed in the surface of the half-round baffle and the circular baffle, a plurality of threaded holes are internally threadedly installed with bolts, and a circular groove is formed in the outer surface of the two ends of the shaft pin and close to the corresponding two half-round baffles; an arc-shaped groove is formed in the surface of the two half-round baffles and is adapted to the structure of the corresponding circular groove, and the half-round baffle is installed in the inside of the circular groove through the arc-shaped groove; a circular hole is formed in the surface of the circular baffle and is adapted to the structure of the shaft pin, and the circular baffle is installed outside the shaft pin through the circular hole; the circular baffle is attached to the outer wall of the two half-round baffles, and the two half-round baffles and the circular baffle are detachably connected through the bolts.

[0006] It can be seen that this kind of shaft end baffle setting mode avoids punching and fixing in the main structure, can simplify the processing steps, and is more convenient to disassemble and assemble.

[0007] In order to achieve the quick positioning of the half-round baffle in the installation position of the pin shaft in the circular groove, preferably, a plurality of positioning holes are formed in the inner wall of the circular groove of the shaft pin, a positioning pin is fixedly installed in the inner wall of the arc-shaped groove of the half-round baffle, and the positioning pin is adapted to the structure of the positioning hole.

[0008] The utility model has the following technical effects and advantages:

[0009] 1. The utility model discloses a traditional shaft end baffle need the mode of punching installation in main structure is given up, through setting up circular recess at the both ends of axle pin, cooperate the arc slot of semicircle baffle and circular baffle, utilize bolt connection fixed, when installing, only need to pass through main structure with axle pin, install semicircle baffle and circular baffle in proper order and tighten bolt, do not need to punch the main structure, greatly simplify the processing step, when the equipment maintenance, overhaul needs to disassemble the shaft end baffle, also more convenient and efficient, reduce the labor intensity and maintenance cost, the utility model discloses a traditional shaft end baffle need the mode of punching installation in main structure is given up, through setting up circular recess at the both ends of axle pin, cooperate the arc slot of semicircle baffle and circular baffle, utilize bolt connection fixed, when installing, only need to pass through main structure with axle pin, install semicircle baffle and circular baffle in proper order and tighten bolt, do not need to punch the main structure, greatly simplify the processing step, when the equipment maintenance, overhaul needs to disassemble the shaft end baffle, also more convenient and efficient, reduce the labor intensity and maintenance cost,

[0010] 2. Through setting up positioning hole in the inner wall of the circular recess of axle pin, install positioning pin in the inner wall of the arc slot of semicircle baffle, when installing semicircle baffle, positioning pin cooperates with positioning hole, can quickly determine the accurate position of semicircle baffle in circular recess, guarantee the consistency and accuracy of multiple semicircle baffle installation, and then ensure that the pin shaft is more accurate in axial positioning, effectively avoid the unstable problems such as displacement and shaking of pin shaft when equipment runs due to installation deviation, improve the stability and reliability of equipment operation, prolong the service life of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the whole structure schematic diagram of the utility model.

[0012] Figure 2 It is the surface structure schematic diagram of the utility model's axle pin.

[0013] Figure 3 It is the semicircle baffle structure schematic diagram of the utility model.

[0014] Figure 4 It is the circular baffle structure schematic diagram of the utility model.

[0015] Figure 5 It is the shaft end baffle assembly structure of the utility model.

[0016] The figure mark is: 1, axle pin;2, semicircle baffle;3, circular baffle;4, threaded hole;5, bolt;6, circular recess;7, arc slot;8, round hole;9, positioning hole;10, positioning pin. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0018] As the drawing Figures 1-5One movable shaft end baffle shown, including shaft pin 1, two half circle baffles 2 are distributed on the both ends of shaft pin 1 respectively, one end of two half circle baffles 2 is commonly installed with circular baffle 3, the surface of half circle baffle 2 and circular baffle 3 is all provided with several threaded holes 4, the inside of several threaded holes 4 is all threadedly installed with bolt 5, the outer surface of both ends of shaft pin 1 and close to corresponding two half circle baffles 2 is all provided with circular recess 6;

[0019] The surface of two half circle baffles 2 is all provided with arc slot 7 which is compatible with the structure of corresponding circular recess 6, and half circle baffle 2 is installed in the inside of circular recess 6 through arc slot 7;

[0020] The surface of circular baffle 3 is provided with circular hole 8 which is compatible with the structure of shaft pin 1, and circular baffle 3 is installed in the outside of shaft pin 1 through circular hole 8;

[0021] Circular baffle 3 is attached to the outer wall of two half circle baffles 2, and two half circle baffles 2 and circular baffle 3 are detachably connected through bolt 5.

[0022] Specifically, in this structure, since the outer surface of both ends of shaft pin 1 is provided with circular recess 6, after the shaft pin 1 is passed through the main structure, the arc slot 7 of two half circle baffles 2 is respectively clamped into the circular recess 6 of the shaft pin 1, and then the circular baffle 3 is installed, the circular baffle 3 is installed in the outside of the shaft pin 1 through the circular hole 8, so that the circular baffle 3 and the two half circle baffles 2 are attached to each other, the circular baffle 3 and the half circle baffle 2 are fixed by the bolt 5, the half circle baffle 2 and the circular baffle 3 are installed on the other end of the shaft pin 1 in the same way, and are fixed by the bolt 5, and finally the installation state is as shown in the attached Figure 5 ;

[0023] Compared with the prior art, this kind of shaft end baffle setting method avoids punching and fixing in the main structure, can simplify the processing steps, and is more convenient to disassemble.

[0024] In this embodiment, as shown in the attached Figure 2 , 3 The inner wall of the circular recess 6 of the shaft pin 1 is provided with several positioning holes 9, and the inner wall of the arc slot 7 of the half circle baffle 2 is fixedly installed with a positioning pin 10, and the positioning pin 10 is compatible with the structure of the positioning hole 9.

[0025] Specifically, in this structure, when the half circle baffle 2 is clamped into the inside of the circular recess 6, the installation position of the half circle baffle 2 in the circular recess 6 of the shaft pin can be quickly determined through the cooperation of the positioning pin 10 and the positioning hole 9, which not only improves the installation efficiency, but also ensures the consistency and accuracy of the installation of multiple half circle baffles 2, ensures that the shaft is more accurate in axial positioning, and avoids the problem of unstable equipment operation caused by installation deviation.

[0026] The utility model discloses a working principle:

[0027] The application provides a movable shaft end baffle, in specific use, first, the shaft pin 1 is passed through the main structure, two half circle baffles 2 are positioned and installed in the circular recess 6 of the shaft pin 1 through the cooperation of the positioning pin 10 and the positioning hole 9, then, the circular baffle 3 is installed outside the shaft pin 1 through the round hole 8, so that the circular baffle 3 and the two half circle baffles 2 mutually adhere, the circular baffle 3 and the half circle baffle 2 are fixed by bolt 5, the same way is adopted to install the half circle baffle 2 and the circular baffle 3 at the other end of the shaft pin 1, and the half circle baffle 2 and the circular baffle 3 can be fixed through bolt 5.

[0028] The above only is the preferred embodiment of the utility model and does not use for limiting the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A movable axle end shield comprising a shaft pin (1), characterized in that: Two semicircular baffle plates (2) are arranged on the two ends of the shaft pin (1) in an up-down manner, and one end of the two semicircular baffle plates (2) is commonly provided with a circular baffle plate (3); The surface of the semicircular baffle plate (2) and the circular baffle plate (3) is provided with a plurality of threaded holes (4), and the inside of the plurality of threaded holes (4) is threadedly provided with a bolt (5); the outer surface of the two ends of the shaft pin (1) and close to the corresponding two semicircular baffle plates (2) is provided with a circular groove (6).

2. The live shaft end baffle of claim 1, wherein: The surface of the two semicircular baffle plates (2) is provided with an arc-shaped groove (7) matched with the structure of the corresponding circular groove (6), and the semicircular baffle plate (2) is installed in the inside of the circular groove (6) through the arc-shaped groove (7).

3. The live shaft end baffle of claim 1, wherein: The surface of the circular baffle plate (3) is provided with a circular hole (8) matched with the structure of the shaft pin (1), and the circular baffle plate (3) is installed outside the shaft pin (1) through the circular hole (8).

4. The live shaft end baffle of claim 1, wherein: The circular baffle plate (3) is attached to the outer wall of the two semicircular baffle plates (2), and the two semicircular baffle plates (2) and the circular baffle plate (3) are detachably connected through the bolt (5).

5. A movable shaft end baffle according to claim 1, characterized in that: The inner wall of the circular groove (6) to which the shaft pin (1) belongs is provided with a plurality of positioning holes (9), the inner wall of the arc-shaped groove (7) to which the semicircular baffle plate (2) belongs is fixedly provided with a positioning pin (10), and the positioning pin (10) is matched with the structure of the positioning hole (9).