Impact-resistant cylindrical roller bearing

Abstract

The utility model provides an impact-resistant cylindrical roller bearing, which relates to the field of bearings and comprises two groups of inner ring parts positioned on the inner side of the bearing, each inner ring part comprises an inner ring shell, and a positioning hole penetrates through the curved side surface of each inner ring shell in the horizontal direction; the two groups of internal structures are positioned in a gap between the inner ring part and the outer ring part; the two groups of outer ring parts are symmetrically connected with a horizontal shaft; the two groups of closed structures are used for connecting the outer ring part to prevent the internal structure from falling off; after the nut at the top of the fixing screw rod is detached, the sealing ring block can be directly pulled out upwards, and after the bearing is inversely buckled, the inner ring block and the horizontal roller a, the horizontal roller b, the vertical roller and the conical surface roller around the inner ring block directly all slide out in the outer ring shell, and the inner ring shell can be released from the limit to be separated outwards, so that the bearing can be conveniently and quickly detached and maintained, and the service life of the bearing is prolonged. The problem that the bearing is inconvenient to disassemble, assemble and maintain quickly after the stress direction is adjusted by changing the structures of the inner ring and the outer ring and adjusting the angle of the cylindrical roller is solved.

Description

Technical Field

[0001] The utility model relates to the field of bearings, and more specifically, to an impact-resistant cylindrical roller bearing. Background Art

[0002] A cylindrical roller bearing with a line contact between the cylindrical roller and the raceway has a large load capacity and mainly bears radial loads. The friction between the rolling elements and the raceway shoulders is small. For a cylindrical roller bearing without shoulders on the inner or outer ring, the inner and outer rings can move relative to each other axially, so it can be used as a free-end bearing. A cylindrical roller bearing with double shoulders on one side of the inner and outer rings and a single shoulder on the other side of the raceway can bear a certain degree of axial load in one direction.

[0003] Since the inner and outer rings of the bearing use cylindrical rollers, after facing an impact force parallel to the bearing duct, it is easy for the inner and outer rings of the bearing to slip. The current cylindrical roller bearings are difficult to bear radial and axial loads while bearing a certain overturning impact moment. After adjusting the inner and outer ring structures and the angle of the cylindrical rollers to adjust the force direction, it is not convenient for quick disassembly, installation and maintenance. After assembling without following the steps, it is difficult to give anti-fooling reminders. Content of the Utility Model

[0004] In order to solve the above technical problems, the utility model provides an impact-resistant cylindrical roller bearing to solve the problem that it is not convenient for quick disassembly, installation and maintenance after adjusting the inner and outer ring structures and the angle of the cylindrical rollers to adjust the force direction of the current bearing.

[0005] The utility model provides an impact-resistant cylindrical roller bearing, which is achieved by the following specific technical means: including two groups of inner ring parts located inside the bearing, the inner ring part includes an inner ring housing, a positioning hole is horizontally penetrated through the curved side surface of the inner ring housing, and a chuck is fixedly connected to the outer curved side surface of the inner ring housing; two groups of internal structures located at the gap between the inner ring part and the outer ring part; two groups of outer ring parts symmetrically connected horizontally; two groups of closed structures for connecting the outer ring parts to prevent the internal structures from coming out; a conical groove is provided at the junction of the inner ring housing and the chuck, a butt joint ring surface a is provided outside the conical groove, the internal structure includes an inner ring block, a vertical ring surface is opened on the inner curved side surface of the inner ring block, a conical surface is provided at the bottom of the vertical ring surface, a butt joint ring surface b is fixedly connected to the bottom of the inner ring block, a vertical drainage groove is opened on the outer curved side surface of the inner ring block, and a clamping block is fixedly connected to the upper half of the outer curved side surface of the inner ring block.

[0006] In some solutions, the outer ring part includes an outer ring housing. Four fixing screws are fixedly connected to the horizontal plane at the top of the outer ring housing. A clamping groove a is formed in the upper half of the inner curved surface of the outer ring housing. Two clamping grooves b are formed in the top of the outer curved surface of the outer ring housing. A ring groove is fixedly connected to the bottom of the outer ring housing. A connecting disk is fixedly connected to the bottom of the ring groove. After two outer ring housings are horizontally symmetrical, the connecting disks in contact with each other are fixed by bolts.

[0007] In some solutions, the sealing structure includes a sealing ring block. Four vertical holes penetrate vertically through the inside of the sealing ring block. The four fixing screws are arranged inside the four vertical holes. The bottom surface of the chuck and the inner horizontal plane of the outer ring housing are provided with patterns. Two positioning blocks are fixedly connected to the bottom of the sealing ring block. The two positioning blocks are located inside the two clamping grooves b. An oil injection hole vertically penetrates through the inside of the sealing ring block. An oil seal nut is threadedly connected to the top of the oil injection hole. A ring protrusion is fixedly connected to the bottom of the sealing ring block. An annular groove is provided at the top of the sealing ring block.

[0008] In some solutions, a horizontal roller a is provided between the horizontal plane at the bottom of the sealing ring block and the horizontal plane at the top of the inner ring block. A horizontal roller b is provided between the horizontal plane at the bottom of the inner ring block and the horizontal plane at the top of the chuck. A vertical roller is provided between the outer curved surface of the inner ring housing and the vertical ring surface. A tapered roller is provided between the tapered surface and the tapered surface groove. Through the horizontal roller a between the horizontal plane at the bottom of the sealing ring block and the horizontal plane at the top of the inner ring block. Beneficial effects

[0009] After inserting the positioning blocks at the bottom of the sealing ring block downward into the clamping groove b and docking the sealing ring block with the outer ring housing, when the fixing screws are inserted through the vertical holes and then tightened at the top of the sealing ring block, the outer ring housing and the sealing ring block can be fixedly connected. After installing a washer inside the sealing ring block, the leakage of lubricating oil can be reduced. By blocking with the sealing ring block, the inner ring block can be prevented from sliding out. After removing the oil seal nut, the various rollers at the gap between the inner ring housing and the outer ring housing can be lubricated. The washers on the inner sides of the upper and lower parts of the sealing ring block can prevent the lubricating oil from leaking out too quickly.

[0010] After symmetrical assembly, the external force impacts in the vertical direction can be offset, and the vertical slipping of the inner and outer rings of the bearing can be prevented. Through the vertical roller between the outer curved surface of the inner ring housing and the vertical ring surface, the external impacts in the horizontal direction can be offset. Through the vertical rollers on the upper and lower sides, the impacts in the horizontal direction can be blocked. Through the tapered rollers between the upper and lower symmetrical tapered surfaces and tapered surface grooves, when the bearing bears radial and axial loads, it can also bear a certain overturning impact moment, enabling the bearing to bear a large radial and axial combined load and moment load mainly composed of radial load and restricting the axial displacement of the shaft in two aspects.

[0011] By assembling the upper and lower parts of the bearing, the overall bearing can support the rotating shaft. When the user only uses half of the bearing for installation, the distance between the chuck and the inner horizontal plane of the outer ring housing cannot be limited. The pattern on the bottom surface of the chuck rubs against the horizontal plane of the outer ring housing, generating a large amount of noise as a reminder, which can provide anti-mistake reminder.

[0012] When it is necessary to disassemble, assemble and maintain the internal structure of the bearing, the user can remove the nut on the top of the fixing screw, and then directly pull out the sealing ring block upward. After inverting the bearing, the inner ring block and the surrounding horizontal rollers a, horizontal rollers b, vertical rollers and tapered rollers can all slide out directly outward in the outer ring housing, and the inner ring housing can also be released from the limit and slide out outward, which is convenient for quickly disassembling and maintaining the bearing.

[0013] After injecting lubricating oil into the oil injection hole, when the inner and outer rings of the bearing rotate relative to each other, the lubricating oil can continue to flow through the drainage groove, which is convenient for the lubricating oil to flow in the bearing. Brief Description of the Drawings

[0014] Figure 1 Shows a three-dimensional schematic diagram of the whole of the present application;

[0015] Figure 2 Shows a three-dimensional disassembled schematic diagram of the inner ring part of the present application;

[0016] Figure 3 Shows a three-dimensional disassembled schematic diagram of the outer ring part of the present application;

[0017] Figure 4 Shows a three-dimensional side-sectional schematic diagram of the whole of the present application;

[0018] Figure 5 Shows a three-dimensional side-sectional schematic diagram of the inner ring housing of the present application;

[0019] Figure 6 Shows a three-dimensional side-sectional schematic diagram of the inner ring block of the present application.

[0020] In the figure, the corresponding relationship between the component names and the drawing reference numbers is as follows:

[0021] 1. Inner ring housing; 101. Positioning hole; 102. Chuck; 103. Tapered groove; 104. Docking ring surface a; 2. Inner ring block; 201. Vertical ring surface; 202. Conical surface; 203. Docking ring surface b; 204. Drainage groove; 205. Clamping block; 3. Outer ring housing; 301. Fixing screw; 302. Slot a; 303. Slot b; 304. Ring groove; 305. Connecting plate; 4. Sealing ring block; 401. Vertical hole; 402. Positioning block; 403. Oil seal nut; 404. Ring protrusion; 405. Annular groove; 5. Horizontal roller a; 501. Horizontal roller b; 6. Vertical roller; 7. Tapered roller. Detailed implementation manners

[0022] In order to make the objectives, solutions and advantages of the technical solutions of the present utility model clearer, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiments of the present utility model. Unless otherwise specified, the terms used herein have the ordinary meanings in the art. The same reference numerals in the drawings represent the same components.

[0023] In the description of the present utility model, unless otherwise specified, "a plurality of" means two or more; the orientation or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model 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 thus should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0024] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "connected" and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. 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 situations.

[0025] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

[0026] Figures 1 to 6Shows a schematic diagram of a cylindrical roller bearing according to an embodiment of the present invention. The cylindrical roller bearing specifically includes two sets of inner ring parts located inside the bearing. The inner ring part includes an inner ring housing 1. A positioning hole 101 penetrates horizontally through the curved side surface of the inner ring housing 1. A chuck 102 is fixedly connected to the outer curved side surface of the inner ring housing 1. Two sets of internal structures are located at the gap between the inner ring part and the outer ring part. Two sets of outer ring parts are horizontally axisymmetrically connected. Two sets of closed structures are used to connect the outer ring parts and prevent the internal structures from coming out. A conical groove 103 is provided at the junction of the inner ring housing 1 and the chuck 102. A butt joint ring surface a104 is provided outside the conical groove 103. The internal structure includes an inner ring block 2. A vertical ring surface 201 is provided on the inner curved side surface of the inner ring block 2. A conical surface 202 is provided at the bottom of the vertical ring surface 201. A butt joint ring surface b203 is fixedly connected to the bottom of the inner ring block 2. A vertical drainage groove 204 is provided on the outer curved side surface of the inner ring block 2. A clamping block 205 is fixedly connected to the upper half of the outer curved side surface of the inner ring block 2. After injecting lubricating oil into the oil injection hole, when the inner and outer rings of the bearing rotate relative to each other, the lubricating oil can continue to flow through the drainage groove 204, facilitating the flow of the lubricating oil inside the bearing.

[0027] Optionally, the outer ring part includes an outer ring housing 3. Four fixing screws 301 are fixedly connected to the top horizontal plane of the outer ring housing 3. A clamping groove a302 is provided on the upper half of the inner curved side surface of the outer ring housing 3. Two clamping grooves b303 are provided on the top of the outer curved side surface of the outer ring housing 3. A ring groove 304 is fixedly connected to the bottom of the outer ring housing 3. Threads are provided on the bottom surface of the chuck 102 and the inner horizontal plane of the outer ring housing 3. A connecting disk 305 is fixedly connected to the bottom of the ring groove 304. After the two outer ring housings 3 are horizontally symmetrically arranged, the connecting disks 305 in contact with each other are fixed by bolts. By assembling the upper and lower parts of the bearing, the overall bearing can support the rotating shaft. When the user only uses half of the bearing for installation, the distance between the chuck 102 and the inner horizontal plane of the outer ring housing 3 cannot be limited, resulting in friction and noise generation for reminder, which can provide anti-fool reminder. When it is necessary to disassemble, assemble and maintain the internal structure of the bearing, the user can remove the nut on the top of the fixing screw 301, and then directly pull out the sealing ring block 4 upward. After the bearing is inverted, the inner ring block 2 and the surrounding horizontal rollers a5, horizontal rollers b501, vertical rollers 6 and conical rollers 7 can all slide out directly outside the outer ring housing 3, and the inner ring housing 1 can also be released from the limit and come out, facilitating the quick disassembly and maintenance of the bearing.

[0028] Preferably, the closed structure includes a sealing ring block 4. Four vertical holes 401 vertically penetrate through the sealing ring block 4. Four fixing screws 301 are inserted into the four vertical holes 401. Two positioning blocks 402 are fixedly connected to the bottom of the sealing ring block 4. The two positioning blocks 402 are located inside two clamping grooves b303. An oil injection hole vertically penetrates through the sealing ring block 4. An oil seal nut 403 is threadedly connected to the top of the oil injection hole. A ring protrusion 404 is fixedly connected to the bottom of the sealing ring block 4. An annular groove 405 is provided at the top of the sealing ring block 4. After inserting the positioning blocks 402 at the bottom of the sealing ring block 4 downward into the clamping grooves b303 and docking the sealing ring block 4 with the outer ring housing 3, such that the fixing screws 301 are inserted through the vertical holes 401, and then tightening the fixing screws 301 at the top of the sealing ring block 4, the outer ring housing 3 and the sealing ring block 4 can be fixedly connected. After installing gaskets on the inner side of the sealing ring block 4, the leakage of lubricating oil can be reduced. By blocking with the sealing ring block 4, the inner ring block 2 can be prevented from slipping out. After removing the oil seal nut 403, the various rollers at the gap between the inner ring housing 1 and the outer ring housing 3 can be lubricated. The gaskets on the inner sides of the upper and lower sealing ring blocks 4 can prevent the lubricating oil from leaking out too quickly.

[0029] Optionally, a horizontal roller a5 is provided between the horizontal plane at the bottom of the sealing ring block 4 and the horizontal plane at the top of the inner ring block 2. A horizontal roller b501 is provided between the horizontal plane at the bottom of the inner ring block 2 and the horizontal plane at the top of the chuck 102. A vertical roller 6 is provided between the outer curved surface of the inner ring housing 1 and the vertical ring surface 201. A tapered roller 7 is provided between the tapered surface 202 and the tapered surface groove 103. Through the horizontal roller a5 between the horizontal plane at the bottom of the sealing ring block 4 and the horizontal plane at the top of the inner ring block 2, after symmetrical assembly, the external force impact in the vertical direction can be offset, and the vertical slipping of the inner and outer rings of the bearing can be prevented. Through the vertical roller 6 between the outer curved surface of the inner ring housing 1 and the vertical ring surface 201, the external impact in the horizontal direction can be offset. The vertical rollers 6 on the upper and lower sides can block the impact in the horizontal direction. Through the tapered rollers 7 between the symmetrically arranged tapered surfaces 202 and tapered surface grooves 103 on the upper and lower sides, while the bearing can bear radial and axial loads, it can also bear a certain tilting moment, enabling the bearing to bear a combined radial and axial load and moment load mainly composed of a large radial load, and restricting the axial displacement of the shaft in two directions.

[0030] The specific operation process of the above cylindrical roller bearing is as follows: First, put the horizontal roller b501 on the top surface of the chuck 102. After putting the tapered roller 7 inside the tapered groove 103, insert the inner ring housing 1 into the outer ring housing 3. Then, put the vertical roller 6 on the outside of the inner ring housing 1. After putting the inner ring block 2 down on the outside of the inner ring housing 1, cover the horizontal roller a5 on the top surface of the inner ring block 2. After inserting the positioning block 402 at the bottom of the sealing ring block 4 downward into the card slot b303, dock the sealing ring block 4 with the outer ring housing 3. Then, make the fixing screw 301 pass through the vertical hole 401. After tightening the fixing screw 301 at the top of the sealing ring block 4, the outer ring housing 3 and the sealing ring block 4 can be fixedly connected. After fixing the connecting plates 305 of the upper and lower parts of the bearing with bolts, through the horizontal roller a5 between the horizontal plane at the bottom of the sealing ring block 4 and the horizontal plane at the top of the inner ring block 2, after symmetrical assembly, the external force impact in the vertical direction can be offset, and the vertical slipping of the inner and outer rings of the bearing can be prevented. Through the vertical roller 6 between the outer curved side surface of the inner ring housing 1 and the vertical ring surface 201, the external impact in the horizontal direction can be offset. Through the vertical rollers 6 on the upper and lower sides, the impact in the horizontal direction can be blocked. Through the tapered rollers 7 between the symmetrically arranged tapered surfaces 202 on the upper and lower sides and the tapered groove 103, while the bearing can bear radial and axial loads, it can also bear a certain overturning moment, enabling the bearing to bear a large radial load-based combined radial and axial load and moment load, and restricting the axial displacement of the shaft in two directions.

[0031] There are also the following points to note:

[0032] (1) The attached drawings of the embodiments of this application only relate to the structures involved in the embodiments of this application. Other structures can refer to the general design.

[0033] (2) For clarity, in the attached drawings used to describe the embodiments of this application, the thickness of the layers or regions is enlarged or reduced, that is, these drawings are not drawn according to the actual scale.

[0034] (3) Without conflict, the embodiments of this application and the features in the embodiments can be combined with each other to obtain new embodiments.

[0035] The above is only the specific implementation manner of this application, but the protection scope of this application is not limited thereto. The protection scope of this application shall be subject to the protection scope of the claims.

Claims

1. An impact-resistant cylindrical roller bearing, characterized in that: include: Two sets of inner ring parts are located inside the bearing, the inner ring parts comprising an inner ring housing (1), a positioning hole (101) passing through the curved side surface of the inner ring housing (1) in a horizontal direction, and a chuck (102) fixedly connected to the outer curved side surface of the inner ring housing (1); Two sets of internal structures are located in the gap between the inner circle part and the outer circle part; Two sets of outer ring parts, the two sets of outer ring parts are symmetrically connected with a horizontal axis; Two sets of closed structures are used to connect the outer ring parts to prevent the internal structure of the bearing from falling out.

2. The impact-resistant cylindrical roller bearing according to claim 1, characterized in that: A conical groove (103) is provided at the junction of the inner ring housing (1) and the chuck (102), and a butt-jointed annular surface a (104) is provided on the outer side of the conical groove (103).

3. The impact-resistant cylindrical roller bearing according to claim 1, characterized in that: The internal structure comprises an inner ring block (2), the inner curved side surface of the inner ring block (2) being provided with a vertical ring surface (201), the bottom of the vertical ring surface (201) being provided with a conical surface (202), the bottom of the inner ring block (2) being fixedly connected with a docking ring surface b (203), the outer curved side surface of the inner ring block (2) being provided with a vertical drainage groove (204), and the upper half of the outer curved side surface of the inner ring block (2) being fixedly connected with a clamping block (205).

4. The impact-resistant cylindrical roller bearing according to claim 1, characterized in that: The outer ring portion comprises an outer ring shell (3), the top horizontal surface of the outer ring shell (3) is fixedly connected with four groups of fixing screws (301), the upper half of the inner curved side surface of the outer ring shell (3) is provided with a clamping groove a (302), the top of the outer curved side surface of the outer ring shell (3) is provided with two groups of clamping grooves b (303), the bottom surface of the chuck (102) and the inner horizontal surface of the outer ring shell (3) are provided with textures, the bottom of the outer ring shell (3) is fixedly connected with an annular groove (304), and the bottom of the annular groove (304) is fixedly connected with a connecting disk (305).

5. The impact-resistant cylindrical roller bearing according to claim 4, characterized in that: The closed structure comprises a sealing ring block (4) located outside the outer ring housing (3); four groups of vertical holes (401) are vertically penetrated inside the sealing ring block (4); four groups of fixing screws (301) are arranged inside the four groups of vertical holes (401); two groups of positioning blocks (402) are fixedly connected to the bottom of the sealing ring block (4); the two groups of positioning blocks (402) are located inside two groups of slots b (303); an oil injection hole is vertically penetrated inside the sealing ring block (4); an oil sealing nut (403) is threadedly connected to the top of the oil injection hole; a ring protrusion (404) is fixedly connected to the bottom of the sealing ring block (4); and an annular groove (405) is provided on the top of the sealing ring block (4).

6. The impact-resistant cylindrical roller bearing according to claim 5, characterized in that: A horizontal roller a (5) is provided between the bottom horizontal surface of the sealing ring block (4) and the top horizontal surface of the inner ring block (2), a horizontal roller b (501) is provided between the bottom horizontal surface of the inner ring block (2) and the top horizontal surface of the chuck (102), a vertical roller (6) is provided between the outer curved side surface of the inner ring housing (1) and the vertical annular surface (201), and a conical roller (7) is provided between the conical surface (202) and the conical groove (103).

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