Portable gearbox maintenance equipment

By combining the lifting assembly driven by a servo motor with the clamping side plate, the problems of shaking and portability during gearbox repair are solved, achieving stable and smooth lifting and portable repair equipment.

CN223947870UActive Publication Date: 2026-02-27BEIJING KANGWEI HEAVY IND MACHINERY MFG CO LTD
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Patent Information

Application Number
CN202520606565.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2026-02-27
Estimated Expiration
2035-04-02

AI Technical Summary

Technical Problem

Existing screw-type lifting devices suffer from instability and large space requirements during gearbox maintenance, making maintenance operations inconvenient.

Method used

The lifting assembly, driven by a servo motor, combined with positive and negative threads and hinges, enables stable lifting and lowering of the lifting plate. The gearbox is securely positioned and portable through the cooperation of the clamping side plate and universal rollers.

Benefits of technology

It achieves stable and smooth lifting and lowering and portability during gearbox maintenance, reduces shaking, and improves operational safety and portability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the related technical field of gearbox maintenance, in particular to portable gearbox maintenance equipment which comprises a maintenance box, a U-shaped machining table for placing a gearbox body is movably arranged at the top of the maintenance box, and a lifting assembly for lifting the U-shaped machining table is arranged in the maintenance box. The lifting assembly comprises a lifting plate moving in the maintenance box, the inner bottom of the maintenance box is movably connected with a rotating rod through a bearing, the two ends, in the maintenance box, of the rotating rod are provided with right-hand threads and left-hand threads, and the two ends of the rotating rod are movably connected with movable blocks through the right-hand threads and left-hand threads. In the moving process of the movable block, the lifting plate in the positioning sliding groove ascends and descends through the hinge piece and the hinge rod, the lifting plate adjusts the height of the U-shaped machining table through the lifting rod and the movable hole, and the height of the U-shaped machining table can be adjusted conveniently to meet the use requirements of different operators; transmission of the screw is converted into movement of the lifting plate in the positioning sliding groove, so that the lifting process is stable and smooth.
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Description

TECHNICAL FIELD

[0001] The utility model relates to gear box maintenance related technical field, especially a kind of portable gear box maintenance equipment. BACKGROUND

[0002] Gear box is widely used, for example, in the application in wind turbine generator unit, gear box is an important mechanical component and is widely used in wind turbine generator unit, and its main function is to transmit the power generated by wind wheel under the action of wind to generator and make it get corresponding rotating speed.

[0003] Gear box is inevitably damaged in daily use, at this time, it needs to be maintained, and lifting device is usually used to cooperate with maintenance operation, at present, lifting device is various, among them, screw rod type lifting device is a kind of common one, but the existing screw rod lifting structure will produce sway, leading to unstable factors when gear box is maintained and lifted in maintenance platform, and lifting platform cannot be stored in maintenance box in lifting process, leading to that maintenance box occupies a large amount of space, and it is inconvenient for operator to carry out operation, for this, we propose a kind of portable gear box maintenance equipment. UTILITY MODEL CONTENTS

[0004] In order to overcome the deficiencies of prior art, the utility model provides a kind of portable gear box maintenance equipment.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: including maintenance box, the top of maintenance box is movably provided with U-shaped machining table for placing gear box body, lifting assembly for lifting U-shaped machining table is arranged in the inside of maintenance box, lifting assembly includes lifting plate movably arranged in the inside of maintenance box, the inner bottom of maintenance box is movably connected with rotating rod through bearing, rotating rod is provided with right and left hand thread at both ends in the inside of maintenance box, the both ends of rotating rod are movably connected with movable block through right and left hand thread, hinged rod is movably connected between movable block and lifting plate through hinged member, the top of lifting plate is fixedly installed with lifting rod through bolt, the top end of lifting rod is fixedly installed in the bottom of U-shaped machining table.

[0006] U-shaped machining table is provided with positioning assembly for fixing gear box body, and positioning assembly includes clamping side plate movably arranged around the inside of U-shaped machining table.

[0007] Preferably, the bottom of maintenance box is fixedly installed with base plate through bolt, universal roller and adjustable support foot are fixedly installed around the bottom of base plate.

[0008] Preferably, the top of the base plate is fixedly provided with a servo motor, one end of the rotating rod is extended and installed on the output end of the servo motor through a bearing, and the inner bottom of the maintenance box is fixedly provided with a limiting rod.

[0009] Preferably, the inner part of the maintenance box is provided with a positioning sliding groove, the maintenance box is slidably connected with a positioning sliding block in the positioning sliding groove, the positioning sliding block is fixedly installed on the lifting plate, the top of the maintenance box is provided with a movable hole, and the lifting rod is movably extended in the movable hole.

[0010] Preferably, the top of the U-shaped machining table is provided with a T-shaped sliding groove, the U-shaped machining table is slidably connected with a T-shaped sliding block in the T-shaped sliding groove, the top of the T-shaped sliding block is fixedly provided with a maintenance movable plate, and the maintenance movable plate is provided with the gear box.

[0011] Preferably, the U-shaped machining table is threadedly connected with a positioning screw rod, the clamping side plate is installed at one end of the positioning screw rod close to the gear box, a rotating disc is installed at the other end of the positioning screw rod, and the telescopic supporting rods are installed between the clamping side plates and the U-shaped machining table.

[0012] Compared with the prior art, the utility model can achieve the beneficial effects that:

[0013] 1. The servo motor drives the movable block on the rotating rod to realize relative or opposite movement under the action of the limiting rod and the forward and reverse threads, the movable block performs lifting movement on the lifting plate in the positioning sliding groove through the hinge and the hinge rod during the movement, the lifting plate adjusts the height of the U-shaped machining table through the lifting rod and the movable hole, the height of the U-shaped machining table is adjusted to meet the use of different operators, the movement of the lifting plate in the positioning sliding groove is converted through the transmission of the screw rod, and the lifting process is stable and smooth.

[0014] 2. The rotating disc drives the positioning screw rod to push the clamping side plate in cooperation with the telescopic supporting rods, the bottom of the gear box is clamped by the clamping side plate, the position of the gear box is adjusted by the U-shaped machining table in cooperation with the maintenance movable plate through the T-shaped sliding groove and the T-shaped sliding block, and the operator can conveniently perform maintenance operation on the gear box.

[0015] 3. The maintenance box is moved through the universal rollers, the maintenance box is fixedly supported through the adjustable supporting feet, and the lifting plate realizes stable and smooth lifting movement through the positioning sliding block and the positioning sliding groove during the lifting process, so that the gear box does not shake during the lifting process. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 Figure 2 is a schematic view of the internal structure of the maintenance box of the present application;

[0018] Figure 3 Figure 3 is a schematic view of the lifting plate structure of the present application;

[0019] Figure 4 Figure 4 is a schematic view of the structure of the U-shaped machining table of the present application;

[0020] Figure 5 Figure 5 is a schematic view of the structure of the maintenance movable plate of the present application.

[0021] Wherein: 10, maintenance box; 11, base plate; 12, universal roller; 13, adjustable supporting leg; 14, movable hole; 20, lifting plate; 21, lifting rod; 22, positioning sliding groove; 23, positioning sliding block; 30, U-shaped machining table; 31, gear box; 32, clamping side plate; 33, T-shaped sliding groove; 34, T-shaped sliding block; 35, maintenance movable plate; 36, rotating disc; 37, telescopic supporting rod; 38, positioning screw; 40, rotating rod; 41, normal and reverse thread; 42, movable block; 43, hinged piece; 44, servo motor; 45, limiting rod; 46, hinged rod. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects realized by the present application easy to understand, the present application is further described below in combination with specific embodiments, but the following embodiments are only preferred embodiments of the present application, not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor are all within the protection scope of the present application. The experimental methods in the following embodiments are conventional methods, and the materials and reagents used in the following embodiments are commercially available unless otherwise specified.

[0023] Embodiment: as Figure 1 — Figure 5As shown, including the repair box 10, the top of the repair box 10 is movably provided with a U-shaped machining table 30 for placing the gear box 31, the inside of the repair box 10 is provided with a lifting assembly for lifting the U-shaped machining table 30, the lifting assembly comprises a lifting plate 20 movably arranged in the repair box 10, the inner bottom of the repair box 10 is movably connected with a rotating rod 40 through a bearing, the rotating rod 40 is provided with a right and left screw thread 41 at both ends in the repair box 10, the rotating rod 40 is movably connected with a movable block 42 at both ends through the right and left screw thread 41, the movable block 42 and the lifting plate 20 are movably connected with a hinged rod 46 through a hinge 43, the top of the lifting plate 20 is fixedly installed with a lifting rod 21 through bolts, the top end of the lifting rod 21 is fixedly installed at the bottom of the U-shaped machining table 30, the U-shaped machining table 30 is provided with a positioning assembly for fixing the gear box 31, and the positioning assembly comprises a clamping side plate 32 movably arranged around the inside of the U-shaped machining table 30.

[0024] The rotating rod 40 is movably connected with the movable block 42 through the right and left screw thread 41 and the limiting rod 45, the movable block 42 is movably connected with the lifting plate 20 through the hinge 43 and the hinged rod 46 when moving relatively or oppositely, the lifting plate 20 is lowered when the movable block 42 moves relatively, and the lifting plate 20 is pushed up when the movable block 42 moves oppositely, the lifting plate 20 is lifted by the movement of the movable block 42, the lifting movement does not produce shaking, and the lifting is stable and smooth, and the gear box 31 is positioned and clamped by the clamping side plate 32 in the U-shaped machining table 30 during the lifting process, thereby increasing the safety performance during the lifting process.

[0025] Referring to Figure 1 Figure 3 The top of the base plate 11 is fixedly installed with a servo motor 44, one end of the rotating rod 40 extends through the bearing and is installed on the output end of the servo motor 44, the inner bottom of the repair box 10 is fixedly installed with a limiting rod 45, both ends of the movable block 42 movably extend through the limiting rod 45, the bottom of the repair box 10 is fixedly installed with the base plate 11 through bolts, the bottom of the base plate 11 is fixedly installed with universal rollers 12 and adjustable supporting legs 13 around, the inside of the repair box 10 is provided with a positioning sliding groove 22, the repair box 10 is slidably connected with a positioning sliding block 23 in the positioning sliding groove 22, the positioning sliding block 23 is fixedly installed on the lifting plate 20, the top of the repair box 10 is provided with a movable hole 14, and the lifting rod 21 movably extends through the movable hole 14.

[0026] The movable block 42 is movably connected with the limiting rod 45 through the right and left screw thread 41, the repair box 10 is moved through the universal rollers 12, the repair box 10 is fixedly supported through the adjustable supporting legs 13, and the lifting plate 20 is stably and smoothly lifted through the positioning sliding block 23 and the positioning sliding groove 22 during the lifting process, so that the gear box 31 does not shake during the lifting process. ​

[0027] Referring to Figure 3 — Figure 5 The top of the U-shaped machining table 30 is provided with a T-shaped sliding groove 33, the U-shaped machining table 30 is slidingly connected with a T-shaped sliding block 34 in the T-shaped sliding groove 33, the top of the T-shaped sliding block 34 is fixedly installed with a maintenance movable plate 35, the top of the maintenance movable plate 35 is provided with a gear box 31, the U-shaped machining table 30 is threadedly penetrated with a positioning screw rod 38, the positioning screw rod 38 is installed with a clamping side plate 32 at one end close to the gear box 31, the other end of the positioning screw rod 38 is installed with a rotating disc 36, and the clamping side plate 32 is installed with an extension supporting rod 37 between the two ends and the U-shaped machining table 30.

[0028] The T-shaped sliding groove 33 and the T-shaped sliding block 34 of the U-shaped machining table 30 are used for horizontal movement of the maintenance movable plate 35, the position of the maintenance movable plate 35 on the U-shaped machining table 30 is adjusted, the operator is facilitated to perform maintenance operation on the gear box 31, the clamping side plate 32 is pushed by operating the rotating disc 36 to drive the positioning screw rod 38 to cooperate with the extension supporting rod 37, and positioning and fixing of the gear box 31 in the machining process are realized.

[0029] Working principle: the universal rollers 12 under the base plate 11 cooperate with the adjustable supporting feet 13 to realize movement and fixing of the maintenance box 10, the operator is facilitated to move and use the maintenance box 10, the movable block 42 on the rotating rod 40 is driven by the servo motor 44 to realize relative or opposite movement under the action of the limiting rod 45 and the positive and negative threads 41, the movable block 42 realizes lifting movement of the lifting plate 20 in the positioning sliding groove 22 through the hinge 43 and the hinge rod 46 during the movement, the lifting plate 20 realizes height adjustment of the U-shaped machining table 30 through the lifting rod 21 and the movable hole 14, and different operators are facilitated to use the U-shaped machining table 30 by adjusting the height of the U-shaped machining table 30;

[0030] During the whole lifting height adjustment process, the clamping side plate 32 is used for clamping the bottom of the gear box 31 by operating the rotating disc 36 to drive the positioning screw rod 38 to cooperate with the extension supporting rod 37 to push the clamping side plate 32, and the U-shaped machining table 30 is used for position adjustment of the gear box 31 by cooperating with the maintenance movable plate 35 through the T-shaped sliding groove 33 and the T-shaped sliding block 34, and the operator is facilitated to perform maintenance operation on the gear box 31.

[0031] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to this, various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A portable gearbox repair device, comprising a repair box (10), characterized in that, The top of the repair box (10) is movably provided with a U-shaped processing table (30) for placing the gearbox body (31). The inside of the repair box (10) is provided with a lifting assembly for lifting the U-shaped processing table (30). The lifting assembly includes a lifting plate (20) that moves inside the repair box (10). The bottom of the repair box (10) is movably connected to a rotating rod (40) through a bearing. The rotating rod (40) has positive and negative threads (41) at both ends inside the repair box (10). The two ends of the rotating rod (40) are movably connected to a movable block (42) through the positive and negative threads (41). The movable block (42) and the lifting plate (20) are movably connected to a hinge rod (46) through a hinge (43). The top of the lifting plate (20) is fixedly installed with a lifting rod (21) by bolts. The top end of the lifting rod (21) is fixedly installed at the bottom of the U-shaped processing table (30). The U-shaped machining table (30) is provided with a positioning component for fixing the gearbox body (31), and the positioning component includes a clamping side plate (32) that moves around the inside of the U-shaped machining table (30).

2. The portable gearbox repair device according to claim 1, characterized in that, The bottom of the maintenance box (10) is fixedly installed with a base plate (11) by bolts. Universal rollers (12) and adjustable support feet (13) are fixedly installed around the bottom of the base plate (11).

3. The portable gearbox repair equipment according to claim 2, characterized in that, A servo motor (44) is fixedly installed on the top of the base plate (11). One end of the rotating rod (40) extends through the bearing and is installed on the output end of the servo motor (44). A limit rod (45) is fixedly installed at the bottom of the maintenance box (10). Both ends of the movable block (42) are movably inserted through the limit rod (45).

4. The portable gearbox repair device according to claim 1, characterized in that, The maintenance box (10) has a positioning groove (22) inside. The maintenance box (10) has a positioning slider (23) slidably connected in the positioning groove (22). The positioning slider (23) is fixedly installed on the lifting plate (20). The maintenance box (10) has a movable hole (14) at the top. The lifting rod (21) moves through the movable hole (14).

5. The portable gearbox repair device according to claim 1, characterized in that, The top of the U-shaped processing table (30) is provided with a T-shaped slide groove (33), and a T-shaped slider (34) is slidably connected to the U-shaped processing table (30) in the T-shaped slide groove (33). A maintenance movable plate (35) is fixedly installed on the top of the T-shaped slider (34), and the gearbox body (31) is provided on the top of the maintenance movable plate (35).

6. The portable gearbox repair device according to claim 1, characterized in that, The U-shaped processing table (30) is threadedly connected to a positioning screw (38). The positioning screw (38) is fitted with a clamping side plate (32) at one end near the gearbox (31), and a rotating disk (36) is fitted at the other end of the positioning screw (38). Telescopic support rods (37) are installed between the two ends of the clamping side plate (32) and the U-shaped processing table (30).