Cylindrical roller bearing assembling and separating tool and using method thereof

Abstract

The invention relates to the technical field of bearings, in particular to a cylindrical roller bearing assembling and separating tool and a using method thereof. 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. According to the cylindrical roller bearing assembling and separating tool and the using method thereof, the structure is simple, wind power cylindrical bearing assembling roller separation is facilitated, the safety is high, the product quality can be improved, and the assembling safety is high.

Description

Technical Field

[0001] The invention relates to the technical field of bearings, and in particular to a cylindrical roller bearing assembly and separation tool and a use method thereof. Background Art

[0002] Large single-row cylindrical roller bearings, NU series, are composed of four major components: inner sleeve, outer sleeve, roller and cage. Because the outer sleeve of the bearing design does not have a hole for the roller, the roller needs to be placed in the outer groove before the cage is assembled. Since the cage is made of copper, the roller and cage may be stuck or even scrapped during the bearing assembly, which greatly affects the operation and performance of the bearing. Summary of the invention

[0003] In view of the defects of the above-mentioned prior art, the purpose of the present invention is to provide a cylindrical roller bearing assembly and separation tooling and a method of using the same, 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 present invention 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 close to 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 arranged 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 comprises a guide groove; the guide groove is arranged 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 matching 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 the 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 of using the cylindrical roller bearing assembly and separation tool: 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; Step 2: Place all cylindrical rollers evenly on the raceway of the bearing outer ring; Step 3: Lift the tooling by the lifting handle, so that several separation rods of the tooling are pushed along the gap between the cylindrical rollers; Step 4: Remove the lifting handle, and press the tooling into the outer ring of the bearing through the extrusion beam, so that the assembly slot matches the single rib of the outer ring of the bearing; Step 5: Place the outer ring of the bearing vertically on the ground; 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; Step 7: Install the lifting handle on the extrusion beam; lift the tooling through the lifting handle; Step 8: Push the retainer seat step by step to slowly withdraw the tooling and finally complete the assembly.

[0011] Another method of using the cylindrical roller bearing assembly and separation tool: Step 1: First, lay the tool flat on the ground; set at least four pads around the tool, and place the outer ring of the bearing on the pads; the height of the pads ensures that the distance between the assembly slot of the tool and the outer ring of the bearing is sufficient to directly place the cylindrical roller into the cavity; 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 outer ring of the bearing. Step 3: Remove the spacer, the outer ring of the bearing falls, one end face of the cylindrical roller is placed on the spring, the rib of the outer ring of the bearing is pressed on the other end face of the cylindrical roller, and the spring is compressed by the weight of the outer ring of the bearing; Step 4: Install at least two locking devices; the two locking devices are symmetrically arranged, one side of the "L"-shaped structure of the locking device contacts the end face of the outer ring, and a threaded through hole is arranged 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; at this time, the spring is in a compressed state; Step 5: Install the cage seat; put the cage seat along the gap between the separation rod and the two cylindrical rollers, and make contact with the head end of the separation rod. The pocket beams of the cage seat correspond to the separation rod one by one. Step 6: Place the assembled structure vertically on the ground; at this time, due to the presence of the locking device, the structure will not fall apart; Step 7: Remove all locking devices; Step 8: Push the cage seat from the side where the bearing outer ring is exposed to the inner side of 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 cage seat and the bearing outer ring rib and will not exit the raceway with the tooling; Step 9: Push the retainer seat step by step to slowly withdraw the tooling and finally complete the assembly.

[0012] Furthermore, the method for using the cylindrical roller bearing assembly and separation tooling is adopted. In step eight, a threaded hole cooperating with a locking device is provided on the outer surface of the extrusion beam for installing a lifting handle; the lifting handle is fixed to the extrusion beam; the tooling is lifted by the lifting handle to ensure that the tooling overcomes its own gravity when it is slowly withdrawn.

[0013] Compared with the prior art, the beneficial effect of the present invention is that the cylindrical roller of the outer ring of the single-rib cylindrical roller bearing can be separated and limited by using the auxiliary tooling, and then the gap between the rollers is isolated by the tooling to push the copper retaining frame into the outer ring of the bearing, which can reduce the jamming and collision between the rollers and the retaining frame and improve the bearing quality. The method of use is simple and convenient, and the assembly safety performance is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The structure of the embodiment 1 of the present invention is shown in FIG. Figure 1 ; Figure 2 The structure of the embodiment 1 of the present invention is shown in FIG. Figure 2 ; Figure 3 This is a front view of Embodiment 1 of the present invention; Figure 4 This is a structural schematic diagram of step 2 of using embodiment 2 of the present invention; Figure 5 This is a structural diagram of step 3 of using embodiment 2 of the present invention; Figure 6This is a structural schematic diagram of step 4 of using Example 2 of the present invention; Figure 7 This is a structural schematic diagram of step 5 of using Example 2 of the present invention; Figure 8 This is a structural diagram of step 6 of using Example 2 of the present invention; Fig. 9 This is a structural diagram of step nine of Example 2 of the present invention; Fig.10 It is a partial cross-sectional view of the present invention; Fig.11 for Fig.10 A partial cross-sectional view of Fig.12 This is a structural schematic diagram of step 4 of Example 1 of the present invention; In the figure: 1. cylindrical roller, 2. bearing outer ring, 3. lifting handle, 4. extrusion beam, 5. separation rod, 6. assembly slot, 8. guide slot, 9. cage seat, 10. locking device, 11. spring, 12. spacer. DETAILED DESCRIPTION

[0015] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0016] Example 1 As shown in the figure, the present invention provides a technical solution: a cylindrical roller bearing assembly and separation tool, comprising an extrusion beam 4, a plurality of separation clamping rods 5, a lifting handle 3 and an assembly clamping groove 6; the extrusion beam 4 is a circular ring; one end of the separation clamping rod 5 is arranged on the extrusion beam 4; an assembly clamping groove 6 is arranged on the outer surface of the other end of the separation clamping rod 5; the cylindrical roller 1 is placed on the raceway of the bearing outer ring 2; the cylindrical roller 1 is placed between the separation clamping rod 5 and the separation clamping rod 5; the separation clamping rod 5 is provided with an arc contact surface close to both sides of the roller; the number of cavities formed between the separation clamping rod 5 and the separation clamping rod 5 is the same as the number of cylindrical rollers 1; and lifting handles 3 are respectively arranged on both sides of the outer surface of the extrusion beam 4.

[0017] 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 the separation clamping rods 5.

[0018] Furthermore, the separation rod 5 further includes a guide groove 8 ; the guide groove 8 is arranged on the inner surface of the other end of the separation rod 5 .

[0019] 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 matching 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.

[0020] The method of using the cylindrical roller 1 bearing assembly and separation tool is as follows: 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; Step 2: Place all cylindrical rollers 1 evenly on the raceway of the bearing outer ring 2; Step 3: Lift the tooling by the lifting handle 3, so that the several separation levers 5 of the tooling are pushed along the gap between the cylindrical rollers 1; 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; Step 5: Place the bearing outer ring 2 vertically on the ground; 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; Step 7: Install the lifting handle 3 on the extrusion beam 4; lift the tooling through the lifting handle 3; Step 8: Push the retainer seat 9 step by step to slowly withdraw the tooling and finally complete the assembly.

[0021] It should be noted that the cylindrical roller 1 is first placed on the raceway of the bearing outer ring 2, and the rollers are roughly evenly distributed and placed. The tooling is then hoisted and placed in the gap between the rollers, the hoisting device is removed, and the hoisting handle 3 on the tooling is removed so that its assembly slot 6 cooperates with the single rib of the bearing outer ring 2, and the cylindrical roller 1 is limited between the separation rod 5 and the separation rod 5. Then, the bearing outer ring 2 with the tooling is placed vertically, the cage seat 9 is pushed along the direction of the separation rod, the hoisting handle 3 is installed, and the extruded tooling is removed using the hoisting device, which perfectly avoids the roller from bumping against the cage, and finally the cage cover is assembled and installed.

[0022] Example 2 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.

[0023] 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 .

[0024] Step 1: First, lay the tool flat on the ground; at least four cushion blocks 12 are arranged around the tool, and the bearing outer ring 2 is placed on the cushion blocks 12; the height of the cushion blocks 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; Step 2: Place the spring 11 in the cavity formed by the extrusion beam 4 and the separation lever 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. Step 3: Remove the spacer 12, the bearing outer ring 2 falls, one end face of the cylindrical roller 1 is placed on the spring 11, the rib of the bearing outer ring 2 is pressed on the other end face of the cylindrical roller 1, and the spring 11 is compressed by the weight of the bearing outer ring 2; Step 4: Install at least two locking devices 10; the two locking devices 10 are symmetrically arranged, one side of the "L"-shaped structure of the locking device 10 contacts the end face of the outer ring, and a threaded through hole is arranged on the other side, and a 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; at this time, the spring 11 is in a compressed state; Step 5: Install the cage seat 9; put the cage seat 9 along the gap between the separation rod and the two cylindrical rollers 1, and contact with the head end of the separation clamping rod 5, and the pocket beam of the cage seat 9 corresponds to the separation clamping rod 5 one by one; Step 6: Place the assembled whole structure vertically on the ground; at this time, due to the presence of the locking device 10, the whole structure will not fall apart; Step 7: Disassemble all locking devices 10; Step 8: Push the retainer seat 9 from the side where the bearing outer ring 2 is exposed to the inner side of 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; Step nine: Push the retainer seat 9 step by step to slowly withdraw the tooling and finally complete the assembly.

[0025] Furthermore, the 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 to the extrusion beam 4; the tooling is lifted by the lifting handle 3 to ensure that the tooling overcomes its own gravity when it is slowly withdrawn.

[0026] The material of the tooling can be copper or other hard materials, but it is still soft compared to 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 the outer ring of the bearing.

[0027] In the description of the present application, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0028] The above describes the specific embodiments of the present invention. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essence of the present invention. In the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

Claims

1. Cylindrical roller bearing assembly and separation tool, characterized by: It includes 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; arc-shaped contact surfaces are arranged on both sides of the separation rod close to 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 arranged 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 clamping rods.

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

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 matching 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.

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 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.

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 is in contact with the extrusion beam, and the other end is in contact with the end surface of the cylindrical roller.

7. The method for using the cylindrical roller bearing assembly and separation tool according to claim 4 is characterized in that: 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; Step 2: Place all cylindrical rollers evenly on the raceway of the bearing outer ring; Step 3: Lift the tooling by the lifting handle, so that several separation rods of the tooling are pushed along the gap between the cylindrical rollers; Step 4: Remove the lifting handle, and press the tooling into the outer ring of the bearing through the extrusion beam, so that the assembly slot matches the single rib of the outer ring of the bearing; Step 5: Place the outer ring of the bearing vertically on the ground; 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; Step 7: Install the lifting handle on the extrusion beam; lift the tooling through the lifting handle; Step 8: Push the retainer seat step by step to slowly withdraw the tooling and finally complete the assembly.

8. The method for using the cylindrical roller bearing assembly and separation tool according to claim 6 is characterized in that: Step 1: First, lay the tool flat on the ground; set at least four pads on the periphery of the tool, and place the outer ring of the bearing on the pads; the height of the pads ensures that the distance between the assembly slot of the tool and the outer ring rib of the bearing can directly place the cylindrical roller into the cavity; 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 outer ring of the bearing. Step 3: Remove the spacer, the outer ring of the bearing falls, one end face of the cylindrical roller is placed on the spring, the rib of the outer ring of the bearing is pressed on the other end face of the cylindrical roller, and the spring is compressed by the weight of the outer ring of the bearing; Step 4: Install at least two locking devices; the two locking devices are symmetrically arranged, one side of the "L"-shaped structure of the locking device contacts the end face of the outer ring, and a threaded through hole is arranged 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; at this time, the spring is in a compressed state; Step 5: Install the cage seat; put the cage seat along the gap between the separation rod and the two cylindrical rollers, and make contact with the head end of the separation rod. The pocket beams of the cage seat correspond to the separation rod one by one. Step 6: Place the assembled structure vertically on the ground; at this time, due to the presence of the locking device, the structure will not fall apart; Step 7: Remove all locking devices; Step 8: Push the cage seat from the side where the bearing outer ring is exposed to the inner side of 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 cage seat and the bearing outer ring rib and will not exit the raceway with the tooling; Step 9: Push the retainer seat step by step to slowly withdraw the tooling and finally complete the assembly.

9. The method for using the cylindrical roller bearing assembly and separation tool according to claim 8, characterized in that: In step eight, a threaded hole cooperating with a locking device is provided on the outer surface of the extrusion beam for installing a lifting handle; the lifting handle is fixed to the extrusion beam; the tooling is lifted by the lifting handle to ensure that the tooling overcomes its own gravity when it is slowly withdrawn.

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