Fan bearing box convenient to maintain
By introducing a base plate and limit pins into the wind turbine bearing housing and utilizing the combined structure of the fixing frame, the problem of inconvenient disassembly and assembly of the wind turbine bearing housing is solved, enabling a more labor-saving maintenance process and fewer bolt disassembly and assembly operations, thereby improving maintenance efficiency.
Patent Information
- Application Number
- CN202423163820.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-21
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-21
AI Technical Summary
The existing wind turbine bearing housing requires frequent and forceful tightening of bolts during disassembly and assembly, and the disassembly and assembly of the front and rear covers requires the removal and installation of multiple screws, resulting in insufficient effort and inconvenience in maintenance.
The design of the base plate and limit post reduces the number of bolt disassembly and assembly, and the number of disassembly and assembly of the front cover and rear cover is reduced from twelve to four by the fixing bracket. The disassembly and assembly process is simplified by the combination structure of hexagonal groove sleeve, fixing sleeve, long screw and nut.
This makes the disassembly and assembly of the wind turbine bearing housing more convenient and labor-saving, simplifies the maintenance process, reduces the number of times bolts need to be removed and reassembled, and improves maintenance efficiency.
Smart Images

Figure CN223524036U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fan bearing box structure technical field, especially a fan bearing box convenient to maintain. BACKGROUND
[0002] Fan bearing box is a kind of mechanical equipment installed on fan main shaft, including bearing, seal, lubrication etc. Component, support and lubricate bearing effect, simultaneously bear the axial and radial force generated when equipment works, fan bearing box can be divided into integral type and split type according to structural form, material quality is generally cast iron and cast steel, widely used in fan and other mechanical equipment, in addition, according to the different use conditions of fan, such as temperature, speed, etc., the bearing box type suitable for the use condition also needs to be selected, such as high-temperature fan should use high-temperature bearing box.
[0003] The existing fan bearing box has certain drawbacks when in use, the traditional fan bearing box needs to be frequently screwed when disassembling, and the fan bearing box is not convenient to disassemble, and the front cover and the rear cover of the fan bearing box need to be disassembled and assembled when disassembling, which is not labor-saving when maintaining and disassembling. UTILITY MODEL CONTENTS
[0004] The utility model discloses a kind of fan bearing boxes convenient to maintain, can effectively solve the problems in background art.
[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:
[0006] A fan bearing box convenient to maintain, including bearing box main body, rotating shaft is movably installed in the inside of the bearing box main body, wheel is fixedly installed on the outer side of the rotating shaft close to both ends, front cover is arranged in the inside of the bearing box main body at the front end, rear cover is arranged in the inside of the bearing box main body at the rear end, fixed frame is fixedly connected between the front cover and the rear cover, bottom plate is fixedly installed on the lower surface of the bearing box main body at both ends, and limit stake is arranged in the through hole of the both ends of the bottom plate.
[0007] Preferably, the fixed frame includes a hexagonal recess sleeve, a fixed sleeve, a long screw rod, a hexagonal screw head and a nut.
[0008] Preferably, the hexagonal recess sleeve is fixedly installed on the outer side of the rear cover, the fixed sleeve is fixedly installed on the outer side of the front cover, the number of the hexagonal recess sleeves and the fixed sleeves is several, the hexagonal recess sleeves are evenly distributed on the outer side of the rear cover, and the fixed sleeves are evenly distributed on the outer side of the front cover.
[0009] Preferably, the long screw rod passes through the inside of the fixed sleeve at the front end, the rear end of the long screw rod is inserted into the inside of the hexagonal recess sleeve, the hexagonal screw head is fixedly installed on the rear end of the long screw rod, and the nut is sleeved on the front end of the long screw rod.
[0010] Preferably, the limiting pile comprises an inner hexagonal chuck, a short screw rod, a movable sleeve, a rubber pad, an extension spring and a handle.
[0011] Preferably, the inner hexagonal chuck is arranged in the through hole at both ends of the bottom plate, the short screw rod is fixedly installed at the center position of the lower surface of the inner hexagonal chuck, and the hexagonal recess is arranged on the outer side of the hexagonal recess sleeve.
[0012] Preferably, the movable sleeve is sleeved at the upper end of the inner hexagonal chuck, the rubber pad is fixedly installed on the lower surface of the movable sleeve, the extension spring is arranged in the inner portion of the movable sleeve, the handle is fixedly installed at the lower end of the extension spring, the lower end of the movable sleeve is clamped into the recess on the outer side of the inner hexagonal chuck, the extension spring is located above the inner hexagonal chuck, and the end, away from the extension spring, of the handle passes through the through hole on the outer side of the movable sleeve.
[0013] Compared with the prior art, the utility model has the advantages of the following beneficial effects:
[0014] In the utility model, through the bottom plate and the limiting pile, the bottom plate and the limiting pile make the fan bearing box more convenient to disassemble, the disassembling mode is simpler, the bolt does not need to be frequently screwed, the fan bearing box is beneficial to maintenance, through the fixing frame, the fixing frame makes the fan bearing box front cover and rear cover more convenient and labor-saving to disassemble, and the number of bolts to be disassembled is greatly reduced from twelve to four. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the whole structure schematic view of the utility model of a kind of fan bearing box convenient to maintain;
[0016] Figure 2 It is the bearing box main body, rotating shaft, pulley, front cover and rear cover structure schematic view of the utility model of a kind of fan bearing box convenient to maintain;
[0017] Figure 3 It is the fixing frame structure exploded view of the utility model of a kind of fan bearing box convenient to maintain;
[0018] Figure 4 It is the limiting pile structure exploded and bottom plate structure schematic view of the utility model of a kind of fan bearing box convenient to maintain.
[0019] In the drawing: 1, bearing box main body;2, rotating shaft;3, pulley;4, front cover;5, rear cover;6, fixing frame;601, hexagonal recess sleeve;602, fixed sleeve;603, long screw rod;604, hexagonal screw head;605, nut;7, bottom plate;8, limiting pile;801, inner hexagonal chuck;802, short screw rod;803, movable sleeve;804, rubber pad;805, extension spring;806, handle. DETAILED DESCRIPTION
[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0021] like Figures 1-4 As shown, a wind turbine bearing housing that is easy to maintain includes a bearing housing body 1. A rotating shaft 2 is movably installed inside the bearing housing body 1. Pulleys 3 are fixedly installed on the outer side of the rotating shaft 2 near both ends. A front cover 4 is provided at the front end of the bearing housing body 1, and a rear cover 5 is provided at the rear end of the bearing housing body 1. A fixing bracket 6 is fixedly connected between the front cover 4 and the rear cover 5. A base plate 7 is fixedly installed at both ends on the lower surface of the bearing housing body 1. Limiting posts 8 are provided in the through holes at both ends of the base plate 7. The base plate 7 and the limiting posts 8 make it easier and simpler to disassemble and assemble the wind turbine bearing housing, eliminating the need for frequent tightening of bolts, which is beneficial for the maintenance of the wind turbine bearing housing. The fixing bracket 6 makes it easier and less labor-intensive to disassemble and assemble the front cover 4 and the rear cover 5 of the wind turbine bearing housing, greatly reducing the number of bolts to be removed and installed during the disassembly and assembly process, from twelve to four.
[0022] In this embodiment, the fixing frame 6 includes a hexagonal groove sleeve 601, a fixing sleeve 602, a long screw 603, a hexagonal screw head 604, and a nut 605.
[0023] In this embodiment, the hexagonal groove sleeve 601 is fixedly installed on the outside of the rear cover 5, and the fixing sleeve 602 is fixedly installed on the outside of the front cover 4. There are several hexagonal groove sleeves 601 and fixing sleeves 602. The hexagonal groove sleeves 601 are evenly distributed on the outside of the rear cover 5, and the fixing sleeves 602 are evenly distributed on the outside of the front cover 4.
[0024] In this embodiment, the front end of the long screw 603 passes through the interior of the fixing sleeve 602, the rear end of the long screw 603 is inserted into the interior of the hexagonal groove sleeve 601, the hexagonal screw head 604 is fixedly installed on the rear end of the long screw 603, and the nut 605 is sleeved on the front end of the long screw 603.
[0025] In this embodiment, the limiting post 8 includes an internal hexagonal jack 801, a short screw 802, a movable sleeve 803, a rubber pad 804, a telescopic spring 805, and a handle 806.
[0026] In this embodiment, the internal hexagonal collet 801 is disposed in the through holes at both ends of the base plate 7, the short screw 802 is fixedly installed at the center position of the lower surface of the internal hexagonal collet 801, and the hexagonal groove sleeve 601 has a groove on the outer side.
[0027] In the embodiment, the movable sleeve 803 is sleeved on the upper end of the inner hexagonal chuck 801, the rubber pad 804 is fixedly installed on the lower surface of the movable sleeve 803, the telescopic spring 805 is arranged in the interior of the movable sleeve 803, the handle 806 is fixedly installed on the lower end of the telescopic spring 805, the lower end of the movable sleeve 803 is clamped into the groove outside the inner hexagonal chuck 801, the telescopic spring 805 is located above the inner hexagonal chuck 801, and the end, away from the telescopic spring 805, of the handle 806 penetrates through the through hole outside the movable sleeve 803.
[0028] It should be noted that the utility model discloses a fan bearing box convenient to maintain, when installing, in the bottom plate 7 and the limiting pile 8, first let the lower end of the movable sleeve 803 exit the groove outside the inner hexagonal chuck 801, use the hexagonal wrench to insert the hexagonal recess on the upper surface of the inner hexagonal chuck 801, make the short screw rod 802 immerse into the fan bearing box mounting hole, press the upper end of the movable sleeve 803 with the palm and pull the handle 806 upwards, compress the telescopic spring 805, then sleeve the movable sleeve 803 on the outer side of the inner hexagonal chuck 801, loosen the handle 806, and the movable sleeve 803 is resisted on the surface of the bottom plate 7 through the rubber pad 804, the rubber pad 804 plays the role of antiskid, when disassembling the bearing box main body 1, the upper end of the movable sleeve 803 is pressed with the palm, the handle 806 is pulled upwards, the telescopic spring 805 is compressed, the movable sleeve 803 is lifted again, the movable sleeve 803 is moved, the inner hexagonal chuck 801 is made to exit the interior of the movable sleeve 803, then the bearing box main body 1 is directly lifted upwards, the inner hexagonal chuck 801 exits the through hole at both ends of the bottom plate 7, and the disassembly is completed, the bottom plate 7 and the limiting pile 8 make the fan bearing box more convenient to disassemble and assemble, the disassembling and assembling mode is simpler, the bolt need not be frequently screwed, and it is favorable for the maintenance of the fan bearing box, when the front cover 4 and the rear cover 5 are to be removed in the fixing frame 6, the nut 605 at the front end of the long screw rod 603 is removed, the long screw rod 603 is pulled out from the hexagonal recess sleeve 601 and the fixing sleeve 602, the front cover 4 and the rear cover 5 in the bearing box main body 1 can be removed, the fixing frame 6 makes the fan bearing box front cover 4 and the rear cover 5 more convenient and labor-saving to disassemble and assemble, and the number of bolts to be disassembled is greatly reduced from twelve to four.
[0029] 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 the person skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model, various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and equivalents thereof.
Claims
1. A fan bearing housing that facilitates maintenance, characterized by: The utility model provides a bearing box, including bearing box main part (1), the inside activity of bearing box main part (1) is installed with rotating shaft (2), the outside of rotating shaft (2) is close to the position fixed mounting with wheel (3) in both ends, the inside of bearing box main part (1) is located at the front end and is equipped with front cover (4), the inside of bearing box main part (1) is located at the rear end and is equipped with rear cover (5), and the front cover (4) is fixedly connected with the fixed frame (6) between rear cover (5), the lower surface of bearing box main part (1) is located at both ends and is fixedly installed with bottom plate (7), and the both ends through -hole of bottom plate (7) is equipped with limit stake (8).
2. A fan bearing housing for ease of maintenance according to claim 1, characterized in that: The fixed frame (6) includes a hex recess sleeve (601), a fixed sleeve (602), a long screw rod (603), a hex screw head (604), and a nut (605).
3. A fan bearing housing for ease of maintenance according to claim 2, characterized in that: The hex recess sleeve (601) is fixedly installed on the outside of the rear cover (5), the fixed sleeve (602) is fixedly installed on the outside of the front cover (4), the number of hex recess sleeves (601) and fixed sleeves (602) is several, the hex recess sleeves (601) are evenly distributed on the outside of the rear cover (5), and the fixed sleeves (602) are evenly distributed on the outside of the front cover (4).
4. A fan bearing housing for ease of maintenance according to claim 3, wherein: The long screw rod (603) passes through the inside of the fixed sleeve (602) at the front end, the rear end of the long screw rod (603) is inserted into the inside of the hex recess sleeve (601), the hex screw head (604) is fixedly installed on the rear end of the long screw rod (603), and the nut (605) is sleeved on the front end of the long screw rod (603).
5. A fan bearing housing for ease of maintenance according to claim 4, wherein: The limit stake (8) includes an inner hex chuck (801), a short screw rod (802), a movable sleeve (803), a rubber pad (804), an extension spring (805), and a handle (806).
6. A fan bearing housing for ease of maintenance according to claim 5, characterized in that: The inner hex chuck (801) is arranged in the through hole at both ends of the bottom plate (7), the short screw rod (802) is fixedly installed on the center of the lower surface of the inner hex chuck (801), and a recess is formed in the outside of the hex recess sleeve (601).
7. A fan bearing housing for ease of maintenance according to claim 6, characterized in that: The movable sleeve (803) is sleeved on the upper end of the inner hex chuck (801), the rubber pad (804) is fixedly installed on the lower surface of the movable sleeve (803), the extension spring (805) is arranged in the inside of the movable sleeve (803), the handle (806) is fixedly installed on the lower end of the extension spring (805), the movable sleeve (803) is clamped into the recess on the outside of the inner hex chuck (801), the extension spring (805) is above the inner hex chuck (801), and one end of the handle (806) away from the extension spring (805) passes through the through hole on the outside of the movable sleeve (803).