Tool for preventing angle-adjustable joint ball bearing from overturning

Abstract

The utility model relates to the technical field of bearing auxiliary machining, in particular to a tool for preventing an angle-adjustable joint ball bearing from overturning, the angle-adjustable joint ball bearing comprises an inner ring with spherical teeth on the outer diameter, a first outer ring with straight teeth on the inner diameter and a second outer ring fixed on the first outer ring, the spherical teeth are meshed with the straight teeth, and the second outer ring is fixed on the first outer ring. The anti-overturning device comprises one or more anti-overturning modules, each anti-overturning module comprises a body, an inner ring screw and an outer ring screw, and each body is provided with a first connecting part used for being fixed to an inner ring and a second connecting part used for being fixed to a second outer ring; an inner ring screw penetrates through the first connecting part and is connected with a threaded hole formed in the end face of the inner ring; the outer ring screw penetrates through the second connecting part and is connected with a threaded hole formed in the end face of the second outer ring, so that the arc face circle center of the second outer ring swinging relative to the inner ring is concentric with the spherical tooth circle center of the inner ring, the bearing installation difficulty can be reduced, and then the installation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing auxiliary processing, in particular to an anti-overturning tooling for an adjustable-angle spherical joint bearing. Background Technique

[0002] A shield machine is the core equipment for excavating tunnels by the shield method, which can complete various mechanical operations such as breaking soil at the face, discharging muck, and ventilation, and protect the safety of people and equipment operating underground. The cutter head is the main mechanism for cutting soil during the tunneling process of the shield machine, and plays a role in supporting the working face and ensuring stable cutting. The cutter head torque of the shield machine is an important parameter for designing the cutter head drive and manufacturing an economical shield, and is also a key parameter to ensure the normal propulsion of the shield.

[0003] The anti-torque ability of the shield machine is one of the key factors to ensure its stable construction under complex geological conditions. Anti-torque mainly involves the soil resistance encountered by the cutter head and the screw conveyor during the propulsion process of the shield machine, and how these resistances are converted into torque on the shield machine. The design of the shield machine needs to consider various factors to ensure its sufficient anti-torque ability.

[0004] The spherical joint bearing in the anti-torque system is the core component of this system. The bearing needs to offset all the torques. In this process, it is necessary to ensure the smooth transmission of the torque. At the same time, when the cutter head expands and contracts, it can automatically correct the deviation. The bearing needs to have a certain self-aligning function. When installing this spherical joint bearing, the inner and outer rings are prone to relative swing, that is, the inner ring of the bearing is prone to a certain angle of overturning relative to the outer ring. Content of the Utility Model

[0005] In view of the defects of the prior art, the utility model provides an anti-overturning tooling for an adjustable-angle spherical joint bearing, which can reduce the installation difficulty of the bearing and thus improve the installation efficiency.

[0006] In order to achieve the above purpose, the technical solution provided by the utility model is an anti-overturning tooling for an adjustable-angle spherical joint bearing. The adjustable-angle spherical joint bearing includes an inner ring with spherical teeth on the outer diameter, a first outer ring with straight teeth on the inner diameter, and a second outer ring fixed to the first outer ring. The spherical teeth and the straight teeth are meshed with each other. The outer diameter surface of the inner ring is an arc surface, and the inner diameter surface of the second outer ring is a concave arc surface. The arc surface is matched with the concave arc surface. It includes more than one anti-overturning module. The anti-overturning module includes a body, an inner ring screw, and an outer ring screw. The body has a first connecting portion for fixing with the inner ring and a second connecting portion for fixing with the second outer ring. The inner ring screw passes through the first connecting portion and is connected to the threaded hole opened on the end face of the inner ring. The outer ring screw passes through the second connecting portion and is connected to the threaded hole opened on the end face of the second outer ring, so that the center of the arc surface where the second outer ring swings relative to the inner ring is concentric with the center of the spherical teeth of the inner ring.

[0007] Furthermore, the body is stepped.

[0008] Furthermore, the body includes an L-shaped plate and a bottom plate disposed at one end of the L-shaped plate. The first connecting portion is disposed on the L-shaped plate, and the second connecting portion is disposed on the bottom plate.

[0009] Furthermore, the bottom of the L-shaped plate is attached to the inner ring end face.

[0010] Furthermore, the bottom of the bottom plate is attached to the second outer ring end face.

[0011] First, place the bearing ring of the adjustable angle spherical joint bearing on the processing platform. After placing the anti-overturning module horizontally, along the circumferential direction of the outer ring, tighten the outer ring screws of the second connecting portion of the tooling, and install the inner ring screws onto the first connecting portion of the tooling so that it is level with the inner ring, the second outer ring, and the first outer ring of the bearing. Tighten the inner ring screws to fix the bearing.

[0012] The outer teeth of the inner ring of the bearing are spherical teeth, and the inner teeth of the first outer ring are straight teeth. Before installing the anti-overturning tooling, the spherical teeth and the straight teeth only ensure tooth engagement in the middle of the tooth width, and there are certain gaps at the upper and lower ends, which can ensure a certain angle of swing. The arc centers of the swing of the inner ring and the first outer ring are concentric with the center of the spherical teeth of the inner ring, ensuring concentric swing while ensuring engagement.

[0013] Advantages of the present utility model: After installing the tooling, it can prevent the upper and lower swing of the inner and outer rings of the bearing during the installation of the bearing, thereby preventing the overturning of the adjustable angle spherical joint bearing. Description of the Drawings

[0014] Figure 1 It is a schematic structural diagram of a tooling for preventing the overturning of an adjustable angle spherical joint bearing in an embodiment of the present utility model;

[0015] In the figure:

[0016] 10. Adjustable angle spherical joint bearing,

[0017] 11. Inner ring, 11a. Spherical teeth, 11b. Arc surface, 11c. Inner ring end face,

[0018] 12. First outer ring, 12a. Straight teeth,

[0019] 13. Second outer ring, 13a. Concave arc surface, 13b. Second outer ring end face,

[0020] 100. Anti-overturning module,

[0021] 110. Body, 111. L-shaped plate, 111a. First connecting part, 112a. Second connecting part, 112. Bottom plate,

[0022] 120. Inner ring screw,

[0023] 130. Outer ring screw. Detailed implementation manner

[0024] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the following will describe the detailed implementation manner of the present utility model with reference to the accompanying drawings. Many specific details are set forth in the following description to fully understand the present utility model. However, the present utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0025] See Figure 1 , which shows a structural schematic diagram of an anti-overturning tooling for an adjustable-angle spherical joint bearing in an embodiment of the present utility model. The adjustable-angle spherical joint bearing 10 includes an inner ring 11 with a spherical tooth 11a provided on the outer diameter, a first outer ring 12 with a straight tooth 12a provided on the inner diameter, and a second outer ring 13 fixed to the first outer ring 12. The spherical tooth 11a and the straight tooth 12a are engaged with each other. The outer diameter surface of the inner ring 11 is an arc surface 11b, and the inner diameter surface of the second outer ring 13 is an inner concave arc surface 13a. The arc surface 11b and the inner concave arc surface 13a are matched. It includes more than one anti-overturning module 100. The anti-overturning module 100 includes a body 110, an inner ring screw 120, and an outer ring screw 130. The body 110 has a first connecting part 111a for fixing to the inner ring 11 and a second connecting part 112a for fixing to the second outer ring 13. The inner ring screw 120 passes through the first connecting part 111a and is connected to a threaded hole opened on the end face 11c of the inner ring. The outer ring screw 130 passes through the second connecting part 112a and is connected to a threaded hole opened on the end face 13b of the second outer ring, so that the center of the arc of the swing of the second outer ring 13 relative to the inner ring 11 is concentric with the center of the spherical tooth 11a of the inner ring 11.

[0026] In one embodiment, the body 110 is in a stepped shape.

[0027] In one embodiment, the body 110 includes an L-shaped plate 111 and a bottom plate 112 provided at one end of the L-shaped plate 111. The first connecting part 111a is provided on the L-shaped plate 111, and the second connecting part 112a is provided on the bottom plate 112.

[0028] In one embodiment, the bottom of the L-shaped plate 111 is attached to the end face 11c of the inner ring.

[0029] In one embodiment, the bottom of the bottom plate 112 is attached to the end face of the second outer ring 13b.

[0030] First, place the bearing rings of the adjustable angle spherical joint bearing on the processing platform. After placing the anti-overturning module 100 horizontally, along the circumferential direction of the outer ring, tighten the outer ring screw 130 of the second tooling connecting portion 112a, and install the inner ring screw 120 onto the first connecting portion 111a of the tooling, so that it is kept in a horizontal state with the inner ring 11, the second outer ring 13, and the first outer ring 12 of the bearing. Tighten the inner ring screw 120 to fix the bearing.

[0031] The outer teeth of the inner ring 11 of the bearing are spherical teeth 11a, and the inner teeth of the first outer ring 12 are straight teeth 12a. Before installing the anti-overturning tooling, the spherical teeth 11a and the straight teeth 12a are only meshed at the middle of the tooth width, and there are certain gaps at the upper and lower ends, which can ensure a certain angle of swing. The arc centers of the inner ring 11 and the first outer ring 12 for swinging are concentric with the center of the spherical teeth 11a of the inner ring 11, which can ensure concentric swinging while ensuring meshing.

[0032] After installing the tooling, when installing the bearing, it can prevent the upper and lower swinging of the inner and outer rings of the bearing, and thus can prevent the adjustable angle spherical joint bearing from overturning.

[0033] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present invention.

[0034] In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0035] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "linkage", "fixation", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication between two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0036] In the present utility model, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may mean that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature is at a higher horizontal level than the second feature. The first feature being "under", "below" and "beneath" the second feature may mean that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature is at a lower horizontal level than the second feature. It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it may be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation.

Claims

1. An anti-overturning tooling for an adjustable-angle spherical joint bearing, the adjustable-angle spherical joint bearing comprising an inner ring with spherical teeth on the outer diameter, a first outer ring with straight teeth on the inner diameter, and a second outer ring fixed to the first outer ring, the spherical teeth and the straight teeth being meshed with each other, the outer diameter surface of the inner ring being an arc surface, the inner diameter surface of the second outer ring being a concave arc surface, the arc surface and the concave arc surface being matched with each other, characterized in that: including more than one anti-overturning module, the anti-overturning module includes: a body having a first connecting portion for fixing to the inner ring and a second connecting portion for fixing to the second outer ring; an inner ring screw passing through the first connecting portion and connecting to a threaded hole opened on the end face of the inner ring; an outer ring screw passing through the second connecting portion and connecting to a threaded hole opened on the end face of the second outer ring.

2. A tool for preventing the tilting of an adjustable angle spherical joint bearing according to claim 1, characterized in that: The body is in a stepped shape.

3. A tooling for preventing the tilting of an adjustable-angle spherical joint bearing according to claim 2, characterized in that: The body includes an L-shaped plate and a bottom plate provided at one end of the L-shaped plate. The first connecting portion is provided on the L-shaped plate, and the second connecting portion is provided on the bottom plate.

4. A tooling for preventing the tilting of an adjustable angle spherical joint bearing according to claim 3, characterized in that: The bottom of the L-shaped plate is attached to the end face of the inner ring.

5. The anti-overturning tooling for an adjustable-angle spherical joint bearing according to claim 3, characterized in that: The bottom of the bottom plate is attached to the end face of the second outer ring.

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