Cylindrical roller bearing assembling and separating tool

Abstract

The utility model relates to the technical field of bearings, in particular to a cylindrical roller bearing assembling and separating tool. A cylindrical roller bearing assembling and separating tool comprises an extrusion beam, a plurality of separating clamping rods, a hoisting handle and an assembling clamping groove. The extrusion beam is a circular ring; one end of the separation clamping rod is arranged on the extrusion beam; an assembly clamping groove is formed in the outer surface of the other end of the separation clamping rod; the cylindrical roller is arranged on a roller path of the bearing outer ring; the cylindrical rollers are arranged between the separation clamping rods; arc-shaped contact surfaces are arranged on two sides, close to the roller, of the separating clamping rod; the number of cavities formed between the separation clamping rods is the same as that of the cylindrical rollers; hoisting handles are arranged on the two sides of the outer surface of the extrusion beam respectively. The cylindrical roller bearing assembling and separating tool is simple in structure, convenient to separate wind power cylindrical bearing assembling rollers, high in safety, capable of improving the product quality, high in assembling safety and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to an assembly and separation tool for cylindrical roller bearings. Background Art

[0002] Large single-row cylindrical roller bearings, such as the NU series, consist of four main components: an inner sleeve, an outer sleeve, rollers, and a cage. Because the outer sleeve of the bearing design does not have a hole for the rollers, the rollers must be placed in the outer groove before the cage is assembled. Since the cage is made of copper, this can cause the rollers and cage to become stuck or damaged during bearing assembly, or even become scrapped, significantly affecting bearing operation and performance. Utility Model Content

[0003] In view of the defects of the above-mentioned prior art, the purpose of the present utility model is to provide a cylindrical roller bearing assembly and separation tooling, which has a simple structure, is convenient for assembling and separating rollers of wind power cylindrical bearings, has high safety, can improve product quality, and has high assembly safety.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a cylindrical roller bearing assembly and separation tool, including an extrusion beam, a plurality of separation rods, a lifting handle and an assembly slot; the extrusion beam is a circular ring; one end of the separation rod is arranged on the extrusion beam; an assembly slot is arranged on the outer surface of the other end of the separation rod; the cylindrical roller is placed on the raceway of the outer ring of the bearing; the cylindrical roller is placed between the separation rod and the separation rod; the separation rod is provided with an arc contact surface near both sides of the roller; the number of cavities formed between the separation rod and the separation rod is the same as the number of cylindrical rollers; and lifting handles are respectively provided on both sides of the outer surface of the extrusion beam.

[0005] Furthermore, the cylindrical roller bearing to be assembled includes a cylindrical roller, a bearing outer ring and a cage; the cage is composed of a cage seat and a cage cover; the number of pocket beams of the cage seat is the same as the number of separation rods.

[0006] Furthermore, the separation rod further includes a guide groove; the guide groove is provided on the inner surface of the other end of the separation rod.

[0007] Furthermore, the outer ring of the bearing is a single-rib bearing outer ring; the outer surface of the extrusion beam is provided with a threaded hole that cooperates with the lifting handle; there are at least two lifting handles; every two lifting handles are arranged on the same horizontal line; the lifting handle is a "T"-shaped structure; the two lifting handles are threadedly connected to the extrusion beam.

[0008] Furthermore, the outer ring of the bearing is a double-guard bearing outer ring; the outer surface of the extrusion beam is provided with a threaded hole that cooperates with the locking device; there are at least two locking devices; every two locking devices are arranged on the same horizontal line; the locking device is an "L"-shaped structure; one side of the "L"-shaped structure is in contact with the end face of the outer ring, and a threaded through hole is provided on the other side, and a bolt passes through the threaded through hole and is connected to the threaded hole, and the extrusion beam is fixed to the outer ring as a whole through the locking device.

[0009] Furthermore, it also includes a spring, which is arranged in a cavity formed by the extrusion beam and the separation clamping rod, one end of the spring contacts the extrusion beam, and the other end contacts the end surface of the cylindrical roller.

[0010] A method for using the cylindrical roller bearing assembly and separation tool:

[0011] Step 1: Place the outer ring of the bearing horizontally on the ground, with the side of the outer ring of the bearing having a single rib in contact with the ground;

[0012] Step 2: Place all cylindrical rollers evenly on the raceway of the bearing outer ring;

[0013] Step 3: Lift the tooling with the lifting handle, so that several separation rods of the tooling are pushed along the gap between the cylindrical rollers;

[0014] Step 4: Remove the lifting handle and press the tooling into the bearing outer ring through the extrusion beam so that the assembly slot matches the single rib of the bearing outer ring;

[0015] Step 5: Place the outer ring of the bearing vertically on the ground;

[0016] Step 6: Push the cage seat from the other side of the tooling along the gap between the separation rod and the two cylindrical rollers;

[0017] Step 7: Install the lifting handle on the extrusion beam; lift the tooling using the lifting handle;

[0018] Step 8: Push the retainer seat step by step to slowly withdraw the tooling and finally complete the assembly;

[0019] Another method of using the cylindrical roller bearing assembly and separation tool is as follows:

[0020] Step 1: First, lay the tool flat on the ground; set at least four pads around the tool and place the bearing outer ring on the pads; the height of the pads ensures that the distance between the tool assembly slot and the bearing outer ring rib is large enough to directly place the cylindrical roller into the cavity;

[0021] Step 2: Place the springs in the cavity formed by the extrusion beam and the separation rod, one spring in each cavity, and then place all the cylindrical rollers on the raceway of the bearing outer ring.

[0022] Step 3: Remove the spacer, lower the bearing outer ring, place one end face of the cylindrical roller on the spring, and press the rib of the bearing outer ring on the other end face of the cylindrical roller. The spring is compressed by the weight of the bearing outer ring.

[0023] Step 4: Install at least two locking devices; the two locking devices are symmetrically arranged, with one side of the "L"-shaped structure of the locking device in contact with the end face of the outer ring, and a threaded through hole provided on the other side. The bolt passes through the threaded through hole and is connected to the threaded hole. The extrusion beam is fixed to the outer ring as a whole through the locking device; at this time, the spring is in a compressed state;

[0024] Step 5: Install the cage seat; place the cage seat along the gap between the separation rod and the two cylindrical rollers, and contact the head end of the separation rod. The pocket beams of the cage seat correspond to the separation rod one by one.

[0025] Step 6: Place the assembled structure vertically on the ground; at this point, the locking device will prevent the structure from falling apart.

[0026] Step 7: Remove all locking devices;

[0027] Step 8: Push the retainer seat from the side where the bearing outer ring is exposed into the bearing outer ring; push the tooling out of the bearing outer ring from the other side; during this process, the cylindrical roller is restricted by the retainer seat and the bearing outer ring rib and will not exit the raceway along with the tooling;

[0028] Step 9: Push the retainer seat step by step to slowly withdraw the tooling and finally complete the assembly.

[0029] Furthermore, a method for using the cylindrical roller bearing assembly and separation tooling is adopted. In step eight, a threaded hole is provided on the outer surface of the extrusion beam that cooperates with the locking device for installing a lifting handle; the lifting handle is fixed on the extrusion beam; and the tooling is lifted by the lifting handle to ensure that the tooling overcomes its own gravity when it is slowly withdrawn.

[0030] Compared with the existing technology, the beneficial effect of the utility model is that the auxiliary tooling can be used to separate and limit the cylindrical rollers of the outer ring of the single-rib cylindrical roller bearing, and then the gap between the rollers is isolated by the tooling to push the copper cage into the outer ring of the bearing, which can not only reduce the jamming and collision between the rollers and the cage, but also improve the quality of the bearing. The method of use is simple and convenient, and the assembly safety performance is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1This is a schematic diagram of the structure of Example 1 of the utility model Figure 1 ;

[0032] Figure 2 This is a schematic diagram of the structure of Example 1 of the utility model Figure 2 ;

[0033] Figure 3 This is a front view of Example 1 of the utility model;

[0034] Figure 4 This is a structural diagram of step 2 of the second embodiment of the present invention;

[0035] Figure 5 This is a structural diagram of step three of the second embodiment of the present invention;

[0036] Figure 6 This is a structural diagram of step 4 of the second embodiment of the present invention;

[0037] Figure 7 This is a structural diagram of step five of the second embodiment of the present utility model;

[0038] Figure 8 This is a structural diagram of step six of the second embodiment of the present utility model;

[0039] Figure 9 This is a structural diagram of step nine of the second embodiment of the present utility model;

[0040] Figure 10 It is a partial cross-sectional view of the utility model;

[0041] Figure 11 for Figure 10 A partial cross-sectional view of

[0042] Figure 12 This is a structural diagram of step 4 of the use of Example 1 of the present utility model;

[0043] In the figure: 1. Cylindrical roller, 2. Bearing outer ring, 3. Lifting handle, 4. Extrusion beam, 5. Separation lever, 6. Assembly slot, 8. Guide groove, 9. Cage seat, 10. Locking device, 11. Spring, 12. Spacer. DETAILED DESCRIPTION

[0044] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0045] Example 1

[0046] As shown in the figure, the utility model provides a technical solution: a cylindrical roller bearing assembly and separation tool, including an extrusion beam 4, a plurality of separation rods 5, a lifting handle 3 and an assembly slot 6; the extrusion beam 4 is a circular ring; one end of the separation rod 5 is arranged on the extrusion beam 4; the outer surface of the other end of the separation rod 5 is provided with an assembly slot 6; the cylindrical roller 1 is placed on the raceway of the bearing outer ring 2; the cylindrical roller 1 is placed between the separation rod 5 and the separation rod 5; the separation rod 5 is provided with an arc contact surface near both sides of the roller; the number of cavities formed between the separation rod 5 and the separation rod 5 is the same as the number of cylindrical rollers 1; and lifting handles 3 are respectively provided on both sides of the outer surface of the extrusion beam 4.

[0047] Furthermore, the cylindrical roller bearing to be assembled includes a cylindrical roller 1, a bearing outer ring 2 and a cage; the cage is composed of a cage seat 9 and a cage cover; the number of pocket beams of the cage seat 9 is the same as the number of separation rods 5.

[0048] Furthermore, the separation lever 5 further includes a guide groove 8 ; the guide groove 8 is provided on the inner surface of the other end of the separation lever 5 .

[0049] Furthermore, the bearing outer ring 2 is a single-rib bearing outer ring 2; the outer surface of the extrusion beam 4 is provided with a threaded hole that cooperates with the lifting handle 3; there are at least two lifting handles 3; every two lifting handles 3 are arranged on the same horizontal line; the lifting handle 3 is a "T"-shaped structure; the two lifting handles 3 are threadedly connected to the extrusion beam 4.

[0050] Method for using the cylindrical roller bearing assembly and separation tool:

[0051] Step 1: Place the bearing outer ring 2 horizontally on the ground, with the side of the bearing outer ring 2 provided with a single rib in contact with the ground;

[0052] Step 2: Place all cylindrical rollers 1 evenly on the raceway of the bearing outer ring 2;

[0053] Step 3: Lift the tooling with the lifting handle 3 so that the several separation levers 5 of the tooling are pushed along the gaps between the cylindrical rollers 1;

[0054] Step 4: Remove the lifting handle 3 and press the tooling into the bearing outer ring 2 through the extrusion beam 4 so that the assembly slot 6 matches the single rib of the bearing outer ring 2;

[0055] Step 5: Place the bearing outer ring 2 vertically on the ground;

[0056] Step 6: Push the cage seat 9 from the other side of the tooling along the gap between the separation rod 5 and the two cylindrical rollers 1;

[0057] Step 7: Install the lifting handle 3 on the extrusion beam 4; lift the tooling by the lifting handle 3;

[0058] Step 8: Push the retainer seat 9 step by step to slowly withdraw the tooling and finally complete the assembly.

[0059] It should be noted that, first place the cylindrical roller 1 on the raceway of the bearing outer ring 2, and place the rollers roughly evenly distributed, then hoist the tooling into the gap between the rollers, remove the hoisting device, and then remove the hoisting handle 3 on the tooling so that its assembly slot 6 cooperates with the single rib of the bearing outer ring 2, and limit the cylindrical roller 1 between the separation rod 5 and the separation rod 5, then place the bearing outer ring 2 with the tooling vertically, push the cage seat 9 along the direction of the separation rod, install the hoisting handle 3, and use the hoisting device to remove the extruded tooling, which perfectly avoids the roller from colliding with the cage, and finally assemble and install the cage cover.

[0060] Example 2

[0061] The difference between this embodiment and the above-mentioned embodiment 1 is that: the bearing outer ring 2 described in this embodiment is a double-guard bearing outer ring 2; the outer surface of the extrusion beam 4 is provided with a threaded hole that cooperates with the locking device 10; there are at least two locking devices 10; every two locking devices 10 are arranged on the same horizontal line; the locking device 10 is an "L"-shaped structure; one side of the "L"-shaped structure is in contact with the end face of the outer ring, and a threaded through hole is provided on the other side, and the bolt passes through the threaded through hole and is connected to the threaded hole, and the extrusion beam 4 is fixed to the outer ring as a whole through the locking device 10.

[0062] Furthermore, a spring 11 is included. The spring 11 is arranged in a cavity formed by the extrusion beam 4 and the separation clamping rod 5 . One end of the spring 11 contacts the extrusion beam 4 , and the other end contacts the end surface of the cylindrical roller 1 .

[0063] Step 1: First, lay the tool flat on the ground; set at least four pads 12 around the tool, and place the bearing outer ring 2 on the pads 12; the height of the pads 12 ensures that the distance between the assembly slot 6 of the tool and the rib of the bearing outer ring 2 is sufficient to directly place the cylindrical roller 1 into the cavity;

[0064] Step 2: Place the spring 11 in the cavity formed by the extrusion beam 4 and the separation rod 5, with one spring 11 placed in each cavity, and then place all the cylindrical rollers 1 on the raceway of the bearing outer ring 2.

[0065] Step 3: Remove the spacer 12, and the bearing outer ring 2 falls. One end face of the cylindrical roller 1 is placed on the spring 11, and the rib of the bearing outer ring 2 is pressed on the other end face of the cylindrical roller 1. The spring 11 is compressed by the weight of the bearing outer ring 2.

[0066] Step 4: Install at least two locking devices 10; the two locking devices 10 are symmetrically arranged, with one side of the "L"-shaped structure of the locking device 10 in contact with the end face of the outer ring, and a threaded through hole provided on the other side. The bolt passes through the threaded through hole and is connected to the threaded hole. The extrusion beam 4 is fixed to the outer ring as a whole through the locking device 10; at this time, the spring 11 is in a compressed state;

[0067] Step 5: Install the cage seat 9; Place the cage seat 9 along the gap between the separation rod and the two cylindrical rollers 1, and contact the head end of the separation clamping rod 5. The pocket beams of the cage seat 9 correspond one to one with the separation clamping rod 5.

[0068] Step 6: Place the assembled structure vertically on the ground; at this time, due to the presence of the locking device 10, the structure will not fall apart;

[0069] Step 7: Remove all locking devices 10;

[0070] Step 8: Push the retainer seat 9 from the side where the bearing outer ring 2 is exposed into the bearing outer ring 2; push the tooling out of the bearing outer ring 2 from the other side; during this process, the cylindrical roller 1 is restricted by the retainer seat 9 and the ribs of the bearing outer ring 2 and will not exit the raceway along with the tooling;

[0071] Step 9: Push the retainer seat 9 step by step to slowly withdraw the tooling and finally complete the assembly.

[0072] Furthermore, a method for using the cylindrical roller bearing assembly and separation tooling is adopted. In step eight, a threaded hole is provided on the outer surface of the extrusion beam 4 that cooperates with the locking device 10 for installing a lifting handle 3; the lifting handle 3 is fixed on the extrusion beam 4; the tooling is lifted by the lifting handle 3 to ensure that the tooling overcomes its own gravity when slowly withdrawing.

[0073] The material of the tooling can be copper or other hard materials, but it is still softer than the parts to be assembled; the tooling will not cause damage to the parts to be assembled during contact or collision with the rolling elements and bearing outer rings.

[0074] In the description of this application, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0075] The above describes specific embodiments of the present invention. It should be understood that the present invention is not limited to the specific embodiments described above, and those skilled in the art may make various changes or modifications within the scope of the claims, which do not affect the essence of the present invention. The embodiments of this application and the features in the embodiments may be combined with each other in any manner unless there is a conflict.

Claims

1. A cylindrical roller bearing assembly and separation tool, characterized by: It includes an extrusion beam, several separation rods, a lifting handle and an assembly slot; the extrusion beam is a circular ring; one end of the separation rod is arranged on the extrusion beam; the outer surface of the other end of the separation rod is provided with an assembly slot; the cylindrical roller is placed on the raceway of the outer ring of the bearing; the cylindrical roller is placed between the separation rod and the separation rod; the separation rod is provided with an arc contact surface near both sides of the roller; the number of cavities formed between the separation rod and the separation rod is the same as the number of cylindrical rollers; and a lifting handle is provided on the outer surface of the extrusion beam.

2. The cylindrical roller bearing assembly and separation tool according to claim 1, characterized in that: The cylindrical roller bearing to be assembled comprises a cylindrical roller, a bearing outer ring and a cage; the cage is composed of a cage seat and a cage cover; the number of pocket beams of the cage seat is the same as the number of separation rods.

3. The cylindrical roller bearing assembly and separation tool according to claim 1, characterized in that: The separation lever further comprises a guide groove; the guide groove is arranged on the inner surface of the other end of the separation lever.

4. The cylindrical roller bearing assembly and separation tool according to claim 1 or 2, characterized in that: The outer ring of the bearing is a single-rib bearing outer ring; the outer surface of the extrusion beam is provided with a threaded hole that matches the lifting handle; there are at least two lifting handles; every two lifting handles are arranged on the same horizontal line; the lifting handle is a "T"-shaped structure; the two lifting handles are threadedly connected to the extrusion beam.

5. The cylindrical roller bearing assembly and separation tool according to claim 1 or 2, characterized in that: The outer ring of the bearing is a double-flange bearing outer ring; the outer surface of the extrusion beam is provided with a threaded hole that cooperates with the locking device; there are at least two locking devices; every two locking devices are arranged on the same horizontal line; the locking device is an "L"-shaped structure; one side of the "L"-shaped structure contacts the end face of the outer ring, and a threaded through hole is provided on the other side, and a bolt passes through the threaded through hole and is connected to the threaded hole, and the extrusion beam is fixed to the outer ring as a whole through the locking device.

6. The cylindrical roller bearing assembly and separation tool according to claim 5, characterized in that: It also includes a spring, which is arranged in a cavity formed by the extrusion beam and the separation clamping rod. One end of the spring contacts the extrusion beam, and the other end contacts the end surface of the cylindrical roller.

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