Bearing sleeve for drilling equipment

Abstract

The utility model relates to the technical field of bearing bushes, in particular to a bearing bush for drilling equipment, which comprises a bearing bush body, a connecting part is fixedly connected to the front end of the bearing bush body, the connecting part and the bearing bush body are of an integrated structure, and the outer surface of the bearing bush body and the outer surface of the connecting part are jointly provided with a notch. A clamping ring is movably connected to the outer surface of the connecting part in a penetrating mode, a limiting device is movably connected to the outer surface of the connecting part in a penetrating mode, and the limiting device is located on the front portion of the clamping ring. According to the bearing sleeve for the drilling equipment, the extension ring is fixedly installed at the rear end of the hold-down ring, the outer surface of the extension ring is of a polygonal structure, when no tool is used for rotating the hold-down ring, the extension ring can be rotated through other common tools such as a monkey wrench, and therefore the hold-down ring rotates at the same time, and the bearing sleeve is convenient to use. And the clamping ring is jointly fixed, so that the use convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing sleeve technical field, especially relates to a bearing sleeve for drilling equipment. BACKGROUND

[0002] Bearing sleeve is divided into cast iron, cast copper alloy, copper-plated alloy and light alloy and a variety of materials. The choice of these materials usually depends on the application environment, load requirements and wear resistance, corrosion resistance and other factors, bearing sleeve is widely used in machine tool, automobile, metallurgy, mine, engineering machinery, printing and dyeing, papermaking, chemical industry, aerospace, coal, petroleum and many other fields. In these fields, bearing sleeve plays an important role in supporting, fixing, reducing wear and friction, etc. The existing bearing sleeve is usually provided with four notches on the compression ring to facilitate the rotation of the tool, so as to fix the clamping ring through the compression ring. However, the adjustment mode of the compression ring is single, and the use of drilling equipment carries special tools, which increases the complexity and burden. Therefore, we introduce a bearing sleeve for drilling equipment. SUMMARY

[0003] The main purpose of the utility model is to provide a bearing sleeve for drilling equipment, which can effectively solve the problems in the background art.

[0004] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0005] A bearing sleeve for drilling equipment, comprising a bearing sleeve body, a connecting part is fixedly connected to the front end of the bearing sleeve body, the connecting part and the bearing sleeve body are an integral structure, a gap is formed on the outer surface of the bearing sleeve body and the outer surface of the connecting part, a clamping ring is movably connected to the outer surface of the connecting part, a limiting device is movably connected to the outer surface of the connecting part, and the limiting device is located in the front part of the clamping ring.

[0006] Preferably, the limiting device comprises a compression ring, four recesses are formed on the outer surface of the compression ring, the four recesses are distributed at equal distances, an internal thread is arranged on the inner wall of the compression ring, an extension ring is fixedly connected to the rear end of the compression ring, and the outer surface of the extension ring is a polygonal structure.

[0007] Preferably, the extension ring is movably connected with the connecting part.

[0008] Preferably, the compression ring is threadedly connected with the outer surface of the connecting part.

[0009] Preferably, a plurality of extension parts are fixedly connected to the outer surface of the clamping ring, and the distal end of each of the plurality of extension parts is inclined forward.

[0010] Preferably, the extension ring is in contact with the plurality of extension parts, and the extension ring is located in the front part of the plurality of extension parts.

[0011] Preferably, the bearing sleeve body outer surface is provided with three notches, and each of the three notches is provided with a reinforcing rib.

[0012] The utility model has the advantages of the following beneficial effects:

[0013] 1. In the utility model, the fixed extension ring is installed at the rear end of the compression ring, and the outer surface of the extension ring is a polygonal structure. When there is no tool to rotate the compression ring, the extension ring can be rotated by using a movable wrench or other common tools, so that the compression ring rotates simultaneously and fixes the clamping ring together, improving the convenience of use.

[0014] 2. In the utility model, three reinforcing ribs are installed on the outer surface of the bearing sleeve body, and the strength of the bearing sleeve body is improved under the action of the three reinforcing ribs. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the bearing sleeve for the drilling equipment.

[0016] Figure 2 It is a whole structure schematic view of the bearing sleeve body of the bearing sleeve for the drilling equipment.

[0017] Figure 3 It is a whole structure schematic view of the limiting device of the bearing sleeve for the drilling equipment.

[0018] Figure 4 It is a whole structure schematic view of the clamping ring of the bearing sleeve for the drilling equipment.

[0019] In the figure: 1, bearing sleeve body; 2, notch; 3, clamping ring; 4, limiting device; 5, connecting part; 11, notch; 12, reinforcing rib; 31, extension; 41, compression ring; 42, extension ring; 43, groove; 44, internal thread. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0021] In the description of the utility model, it needs to explain, the term "upper", "lower", "internal", "external" "front end", "rear end", "both ends", "one end", "the other end" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, construct and operate with a particular orientation, therefore cannot be understood as the limitation of the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the utility model, it needs to explain, unless otherwise expressly provided and limited, the term "installation", "set with", "connection" and so on, should be broad understanding, for example "connection", can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0024] A bearing sleeve for drilling equipment, including bearing sleeve body 1, the front end of bearing sleeve body 1 is fixedly connected with connecting portion 5, connecting portion 5 and bearing sleeve body 1 are integrated structure, the outer surface of bearing sleeve body 1 and the outer surface of connecting portion 5 are commonly provided with aperture 2, the outer surface of connecting portion 5 is inserted and movably connected with snap ring 3, the outer surface of connecting portion 5 is inserted and movably connected with limiting device 4, and limiting device 4 is located at the front of snap ring 3.

[0025] In the embodiment, limiting device 4 includes compression ring 41, four recesses 43 are formed in the outer surface of compression ring 41, the four recesses 43 are equidistantly distributed, the inner wall of compression ring 41 is provided with internal thread 44, the rear end of compression ring 41 is fixedly connected with extension ring 42, the outer surface of extension ring 42 is polygonal structure;Extension ring 42 is movably connected with connecting portion 5;Compression ring 41 is screw connected with the outer surface of connecting portion 5;The outer surface of snap ring 3 is fixedly connected with a plurality of extension portions 31, the end of the plurality of extension portions 31 away from snap ring 3 is inclined forward;Extension ring 42 is in contact with the plurality of extension portions 31, and extension ring 42 is located at the front of the plurality of extension portions 31;The outer surface of bearing sleeve body 1 is provided with three notches 11, and the three notches 11 are provided with reinforcing ribs 12.

[0026] Through the above scheme: the outer surface of the extension ring 42 is a polygonal structure, when lacking special tools to directly rotate the compression ring 41, the operator can easily use a flexible wrench or other widely available general tools to perform a rotating operation by clamping the polygonal outer surface of the extension ring 42, so that the compression ring 41 can be synchronously rotated, and the two cooperate to effectively tighten the clamping ring 3.

[0027] It should be noted that the utility model describes a bearing sleeve for drilling equipment, by installing the extension ring 42 at the rear end of the compression ring 41, the outer surface of the extension ring 42 is a polygonal structure, when lacking special tools to directly rotate the compression ring 41, the operator can easily use a flexible wrench or other widely available general tools to perform a rotating operation by clamping the polygonal outer surface of the extension ring 42, so that the compression ring 41 can be synchronously rotated, and the two cooperate to effectively tighten the clamping ring 3, greatly simplify the operation process, improve the work efficiency, also ensure that the installation or maintenance task can be successfully completed without professional tools, thereby significantly improve the convenience of use, the outer surface of the bearing sleeve body 1 is arranged with three reinforcing ribs 12, the three reinforcing ribs 12 can maximize the dispersion and bear stress and load from all directions.Under the joint action of the three reinforcing ribs 12, the overall strength of the bearing sleeve body 1 is significantly improved, effectively resisting the deformation and wear caused by long-term operation or heavy load operation, prolonging the service life of the equipment, and improving the stability and safety of the whole system.

[0028] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A bearing housing for drilling equipment, comprising a bearing housing body (1), characterised in that: The connecting part (5) and the bearing sleeve body (1) are integrated structure, the outer surface of the bearing sleeve body (1) and the outer surface of the connecting part (5) are provided with an opening (2) in common, the outer surface of the connecting part (5) is movably connected with a snap ring (3), the outer surface of the connecting part (5) is movably connected with a limiting device (4), and the limiting device (4) is located in the front part of the snap ring (3). The limiting device (4) comprises a compression ring (41), the outer surface of the compression ring (41) is provided with four grooves (43), the four grooves (43) are distributed at equal distances, the inner wall of the compression ring (41) is provided with an internal thread (44), the rear end of the compression ring (41) is fixedly connected with an extension ring (42), and the outer surface of the extension ring (42) is a polygonal structure.

2. A bearing bush for a drilling apparatus according to claim 1, characterised in that: The extension ring (42) is movably connected with the connecting part (5).

3. A bearing bush for a drilling apparatus as claimed in claim 1, characterised in that: The compression ring (41) is screw-connected with the outer surface of the connecting part (5).

4. A bearing bush for a drilling apparatus according to claim 1, characterised in that: The outer surface of the snap ring (3) is fixedly connected with a plurality of extension parts (31), and the ends, away from the snap ring (3), of the plurality of extension parts (31) are all inclined forward.

5. A bearing bush for a drilling apparatus according to claim 1, characterised in that: The extension ring (42) is in contact with the plurality of extension parts (31), and the extension ring (42) is located in the front part of the plurality of extension parts (31).

6. A bearing bush for a drilling apparatus according to claim 1, characterised in that: The outer surface of the bearing sleeve body (1) is provided with three notches (11), and the three notches (11) are all provided with reinforcing ribs (12).

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