Generator rotor maintenance moving device
Through the design of the generator rotor maintenance mobile device, the balance control problem during the rotor extraction process is solved, the stability of rotor movement and operating efficiency are improved, and the risk of rotor scratching is reduced.
Patent Information
- Application Number
- CN202422299983.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-09-19
AI Technical Summary
In the prior art, during the generator rotor extraction process, the suspender is single, the rotor balance is difficult to control, and it is easy to scratch with the stator winding, which increases economic losses and is difficult to operate.
A generator rotor maintenance and moving device is designed, including a first pallet, a second pallet, a vertical lifting device, a horizontal position adjustment device and a platform base. The lifting and horizontal position adjustment of the pallet is controlled by a hydraulic handle, and the rotor extraction operation is achieved in conjunction with the crane to ensure the smooth movement of the rotor.
It improves the stability and working efficiency of rotor movement, reduces the rotor swing, reduces the risk of scraping between the rotor and the stator winding, and simplifies the operation process.
Smart Images
Figure CN223285723U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of generator maintenance, in particular to a generator rotor maintenance mobile device. Background Art
[0002] Generator rotor extraction is a critical task in generator maintenance. It involves complex technical expertise, significant safety risks, and a high level of operational difficulty. It requires the coordinated efforts of electrical, turbine, and crane maintenance personnel, ensuring the entire process is carried out in an orderly manner according to established procedures. During the extraction process, the rotor's pullout and center position must be adjusted constantly, and the clearance between the rotor and stator, as well as the load on the lifting straps, must be closely monitored to avoid scraping and other anomalies. Therefore, the technical proficiency of the operators is highly demanding.
[0003] Currently, the rotor is basically pulled out using a crane and a guide chain in conjunction with a sling. The problem is that there is only one force point, the sling, and the rotor balance is difficult to control. Since the gap between the rotor and the generator stator winding is very small, it is easy to scratch, causing winding damage, increasing maintenance difficulty, and increasing economic losses. Utility Model Content
[0004] The purpose of the utility model is to provide a generator rotor maintenance mobile device to solve the problems existing in the above-mentioned prior art, with a simple structure, convenient operation and effective improvement of work efficiency.
[0005] To achieve the above purpose, the present invention provides the following solutions:
[0006] The utility model provides a generator rotor maintenance moving device, comprising: a first tray, a second tray, a first vertical lifting device, a second vertical lifting device, a horizontal position adjustment device and a platform base, the top of the first tray and the second tray are used to support and place the generator rotor; the first vertical lifting device is arranged at the bottom of the first tray, and the extension or shortening of the first vertical lifting device can drive the first tray to rise or fall; the second vertical lifting device is arranged at the bottom of the second tray, and the second vertical lifting device is synchronously extended or shortened with the first vertical lifting device to drive the second tray to rise or fall synchronously with the first tray; the horizontal position adjustment device is connected to the bottom of the first vertical lifting device and the second vertical lifting device to synchronously adjust the horizontal positions of the first vertical lifting device and the second vertical lifting device; the platform base can move on the ground and maintain the position after movement, and the horizontal position adjustment device is arranged on the top of the platform base.
[0007] Preferably, a first arc-shaped groove is provided on the top of the first tray, and a second arc-shaped groove is provided on the top of the second tray, and the first arc-shaped groove and the second arc-shaped groove are used to place the generator rotor.
[0008] Preferably, it further includes a first hard rubber layer and a second hard rubber layer, wherein the first hard rubber layer is arranged on the surface of the first arc-shaped groove for contacting the generator rotor, and the second hard rubber layer is arranged on the surface of the second arc-shaped groove for contacting the generator rotor.
[0009] Preferably, it further includes a hydraulic handle and a connecting rod, the first vertical lifting device and the second vertical lifting device are both hydraulic lifting devices, the connecting rod is used to pass through the first vertical lifting device and the second vertical lifting device to control the synchronous rise or fall of the first vertical lifting device and the second vertical lifting device, the hydraulic handle is fixedly connected to the end of the connecting rod extending out of the first vertical lifting device, and shaking the hydraulic handle can drive the connecting rod to rotate so that the first vertical lifting device and the second vertical lifting device rise or fall synchronously.
[0010] Preferably, the horizontal position adjustment device includes a first sliding member and a second sliding member, and a first transverse damping slide and a second transverse damping slide are provided in parallel on the platform base, two ends of the first sliding member are respectively slidably connected to the first transverse damping slide and the second transverse damping slide and can maintain the position after sliding, two ends of the second sliding member are respectively slidably connected to the first transverse damping slide and the second transverse damping slide and can maintain the position after sliding, a first longitudinal damping slide is provided on the top of the first sliding member, and a second longitudinal damping slide is provided on the top of the second sliding member, the bottom of the first vertical lifting device is slidably connected to the first longitudinal damping slide and can maintain the position after sliding, and the bottom of the second vertical lifting device is slidably connected to the second longitudinal damping slide and can maintain the position after sliding.
[0011] Preferably, it further comprises four universal wheels, which are respectively arranged at the four corners of the bottom of the platform base.
[0012] Preferably, four brake devices are further included, and one brake device is provided on one of the universal wheels to lock the universal wheel.
[0013] Compared with the prior art, the utility model has achieved the following technical effects:
[0014] The utility model provides a generator rotor maintenance mobile device, which adjusts the height of the first tray and the second tray by adjusting the first vertical lifting device and the second vertical lifting device to meet the needs of rotor extraction operations of generators of different models, reaches a predetermined position and maintains the position by moving the platform base, and fine-tunes the horizontal position by a horizontal position adjustment device, and cooperates with a crane to realize the operation of rotor extraction. The utility model has a simple structure, is easy to operate, and effectively improves work efficiency. At the same time, it has the advantages of a smoother rotor movement process and greatly reduced swing amplitude. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0016] Figure 1 This is a schematic diagram of the structure of the generator rotor maintenance mobile device provided by the utility model;
[0017] In the figure: 1. Platform base; 2. First vertical lifting device; 3. First tray; 4. Horizontal position adjustment device; 5. Universal wheel; 6. Braking device; 7. Hydraulic handle. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0019] The purpose of the utility model is to provide a generator rotor maintenance mobile device to solve the problems existing in the above-mentioned prior art, with a simple structure, convenient operation and effective improvement of work efficiency.
[0020] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.
[0021] The utility model provides a generator rotor maintenance mobile device, such as Figure 1As shown, it includes: a first tray 3, a second tray, a first vertical lifting device 2, a second vertical lifting device, a horizontal position adjustment device 4 and a platform base 1. The top of the first tray 3 and the second tray are used to support and place the generator rotor; the first vertical lifting device 2 is arranged at the bottom of the first tray 3, and the extension or shortening of the first vertical lifting device 2 can drive the first tray 3 to rise or fall; the second vertical lifting device is arranged at the bottom of the second tray, and the second vertical lifting device is synchronously extended or shortened with the first vertical lifting device 2 to drive the second tray to rise or fall synchronously with the first tray 3; the horizontal position adjustment device 4 is connected to the bottom of the first vertical lifting device 2 and the second vertical lifting device to synchronize Step to adjust the horizontal position of the first vertical lifting device 2 and the second vertical lifting device; the platform base 1 can move on the ground and maintain the position after moving, the horizontal position adjusting device 4 is arranged on the top of the platform base 1, and the height of the first tray 3 and the second tray is adjusted by adjusting the first vertical lifting device 2 and the second vertical lifting device to adapt to the needs of rotor extraction operations of generators of different models, and the platform base 1 is moved to a predetermined position and maintained in position, and the horizontal position is fine-tuned by the horizontal position adjusting device 4, and the rotor extraction operation is realized by cooperation of a crane, which has a simple structure, is easy to operate, and effectively improves work efficiency. At the same time, it has the advantages of a smoother rotor movement process and greatly reduced swing amplitude.
[0022] In a preferred embodiment, a first arcuate groove is provided on the top of the first tray 3 of the generator rotor maintenance mobile device, and a second arcuate groove is provided on the top of the second tray. The first arcuate groove and the second arcuate groove are used to place the generator rotor.
[0023] In a preferred embodiment, the generator rotor maintenance mobile device also includes a first hard rubber layer and a second hard rubber layer. The first hard rubber layer is arranged on the surface of the first arc groove for contacting the generator rotor, and the second hard rubber layer is arranged on the surface of the second arc groove for contacting the generator rotor to avoid damaging the surface of the engine rotor.
[0024] In a preferred embodiment, the generator rotor maintenance and moving device further includes a hydraulic handle 7 and a connecting rod. Both the first vertical lifting device 2 and the second vertical lifting device are hydraulic lifting devices. The connecting rod is used to pass through the first vertical lifting device 2 and the second vertical lifting device to control the synchronous ascent or descent of the first vertical lifting device 2 and the second vertical lifting device. The hydraulic handle 7 is fixedly connected to the end of the connecting rod extending from the first vertical lifting device 2. Shaking the hydraulic handle 7 can drive the connecting rod to rotate so that the first vertical lifting device 2 and the second vertical lifting device are synchronously raised or lowered. By shaking the hydraulic handle 7, the height of the first tray 3 and the second tray can be adjusted up and down to meet the needs of generators of different heights according to different operating objects. Operation is convenient.
[0025] In a preferred embodiment, the horizontal position adjustment device 4 includes a first sliding member and a second sliding member, and a first transverse damping slide and a second transverse damping slide are arranged in parallel on the platform base 1. The two ends of the first sliding member are respectively slidably connected to the first transverse damping slide and the second transverse damping slide and can maintain the position after sliding. The two ends of the second sliding member are respectively slidably connected to the first transverse damping slide and the second transverse damping slide and can maintain the position after sliding. The top of the first sliding member is provided with a first longitudinal damping slide, and the top of the second sliding member is provided with a second longitudinal damping slide. The bottom of the first vertical lifting device 2 is slidably connected to the first longitudinal damping slide and can maintain the position after sliding. The bottom of the second vertical lifting device is slidably connected to the second longitudinal damping slide and can maintain the position after sliding. The structure is simple, easy to use, and can achieve fine-tuning in the horizontal direction.
[0026] In a preferred embodiment, the generator rotor maintenance mobile device further includes four universal wheels 5 , which are respectively arranged at the four corners of the bottom of the platform base 1 for easy use.
[0027] In a preferred embodiment, the generator rotor maintenance mobile device also includes four brake devices 6, one brake device 6 is provided on a universal wheel 5 so as to lock the universal wheel 5, thereby positioning the platform base 1 and effectively ensuring stability during use.
[0028] The working principle of the present invention is as follows: the platform base 1 supports two hydraulic lifting devices to adjust the height of the first tray 3 and the second tray, so that the height adjustment of the first tray 3 and the second tray can be realized to meet the needs of the rotor extraction operation of different types of generators; the support surface of the first arc groove and the second arc groove can stably support the rotor, and the support surface is covered with a layer of hard rubber to protect the rotor surface. The platform base 1 can freely move to a predetermined position through the universal wheels 5 fixed at the four corners of the bottom to support the rotor, and the positioning function is realized by the brake device 6. Through the fine adjustment of the horizontal position adjustment device 4 and the hydraulic lifting device, the center is adjusted, and the operation of extracting the rotor is realized by the cooperation of the crane. At the same time, the two platforms can push the rotor to any specified position. The tray can be adjusted as needed to achieve movement in the horizontal, horizontal, longitudinal and vertical directions, and cooperate with the rotor lifting and extraction operation to facilitate the placement and fixation of generator rotors of different models, thereby improving stability and practicality.
[0029] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only intended to help understand the method and core concept of the present invention. At the same time, those skilled in the art will find that the specific implementation methods and application scopes may vary based on the concept of the present invention. In summary, the contents of this specification should not be construed as limiting the present invention.
Claims
1. A mobile device for inspecting and repairing a generator rotor, characterized in that: include: First pallet, A second tray, wherein the top of the first tray and the second tray is used to support and place the generator rotor; a first vertical lifting device, the first vertical lifting device being disposed at the bottom of the first tray, and the extension or contraction of the first vertical lifting device being able to drive the first tray to rise or fall; a second vertical lifting device, the second vertical lifting device being disposed at the bottom of the second tray, the second vertical lifting device being extended or shortened synchronously with the first vertical lifting device to drive the second tray to rise or fall synchronously with the first tray; a horizontal position adjustment device connected to the bottom of the first vertical lifting device and the second vertical lifting device to synchronously adjust the horizontal positions of the first vertical lifting device and the second vertical lifting device; as well as The platform base is capable of moving on the ground and maintaining the position after moving, and the horizontal position adjustment device is arranged on the top of the platform base.
2. The generator rotor maintenance moving device according to claim 1, characterized in that: A first arc-shaped groove is provided on the top of the first tray, and a second arc-shaped groove is provided on the top of the second tray. The first arc-shaped groove and the second arc-shaped groove are used to place the generator rotor.
3. The generator rotor maintenance moving device according to claim 2, characterized in that: It also includes a first hard rubber layer and a second hard rubber layer. The first hard rubber layer is arranged on the surface of the first arc-shaped groove for contacting the generator rotor, and the second hard rubber layer is arranged on the surface of the second arc-shaped groove for contacting the generator rotor.
4. The generator rotor maintenance moving device according to claim 1, characterized in that: It also includes a hydraulic handle and a connecting rod. The first vertical lifting device and the second vertical lifting device are both hydraulic lifting devices. The connecting rod is used to pass through the first vertical lifting device and the second vertical lifting device to control the synchronous rise or fall of the first vertical lifting device and the second vertical lifting device. The hydraulic handle is fixedly connected to the end of the connecting rod extending out of the first vertical lifting device. Shaking the hydraulic handle can drive the connecting rod to rotate so that the first vertical lifting device and the second vertical lifting device can be synchronously risen or lowered.
5. The generator rotor maintenance moving device according to claim 4, characterized in that: The horizontal position adjustment device includes a first sliding member and a second sliding member, and a first transverse damping slide and a second transverse damping slide are parallel to each other on the platform base, the two ends of the first sliding member are respectively slidably connected to the first transverse damping slide and the second transverse damping slide and can maintain the position after sliding, the two ends of the second sliding member are respectively slidably connected to the first transverse damping slide and the second transverse damping slide and can maintain the position after sliding, the top of the first sliding member is provided with a first longitudinal damping slide, and the top of the second sliding member is provided with a second longitudinal damping slide, the bottom of the first vertical lifting device is slidably connected to the first longitudinal damping slide and can maintain the position after sliding, and the bottom of the second vertical lifting device is slidably connected to the second longitudinal damping slide and can maintain the position after sliding.
6. The generator rotor maintenance moving device according to claim 5, characterized in that: It also includes four universal wheels, which are respectively arranged at the four corners of the bottom of the platform base.
7. The generator rotor maintenance moving device according to claim 6, characterized in that: It also includes four brake devices, one of which is arranged on one of the universal wheels to lock the universal wheel.