Horizontal moving-out device for large horizontal water pump unit stator

Abstract

The utility model relates to horizontal water pump unit technical field, especially large -scale horizontal water pump unit stator horizontal removal device. It includes platform and the motor of setting in the recess of platform, is equipped with the connecting seat at the stator shell top four corner positions of motor respectively, is equipped with the slide rail horizontally parallel symmetry on the platform of recess front and back two sides respectively, and the left and right ends of two slide rails are connected through the portal frame respectively, and is equipped with the moving mechanism between two portal frames. It is reasonable in structure design, and convenient operation adopts the mode of hard connection, and can accurately control stator horizontal movement, to avoid the situation that stator appears to shake in horizontal movement, fundamentally puts an end to the collision of stator and rotor, effectively protects the motor, makes the maintenance procedure can smoothly carry out, solves the problem in the prior art.

Description

Technical Field

[0001] This utility model relates to the technical field of horizontal water pump units, and in particular to a device for horizontally removing the stator of a large horizontal water pump unit. Background Technology

[0002] Large horizontal water pump units are an indispensable type of pumping equipment in water conservancy projects. Their motors are installed within the pumping station, typically horizontally semi-reclined in a recessed area of ​​the platform. Due to the limitations of the installation location, it's impossible to disassemble and return the entire unit for repair; major overhauls must be performed on-site. During repairs, the motor stator must first be moved horizontally. Because the stator is quite heavy, approximately 16 tons, a crane is needed for lifting, securing it to the stator housing with steel wire ropes for horizontal movement. However, this method has a fatal flaw: the gap between the stator and rotor is 3mm, requiring strict control over the lifting height. Since the steel wire rope is a flexible connection, slight swaying occurs during lifting, making precise control impossible. This often results in the stator windings directly contacting the rotor windings, causing the insulating varnish to peel off and damaging both the stator and rotor windings, leading to irreversible damage to the motor. Utility Model Content

[0003] To overcome the shortcomings of existing technologies, this utility model provides a stator horizontal removal device for large horizontal water pump units. It has a reasonable structural design, is easy to operate, adopts a rigid connection method, and can precisely control the horizontal movement of the stator to avoid swaying during the horizontal movement. This fundamentally eliminates the collision between the stator and the rotor, effectively protects the motor, and allows maintenance procedures to be carried out smoothly, thus solving the problems existing in the prior art.

[0004] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows:

[0005] A stator horizontal removal device for a large horizontal water pump unit includes a platform and a motor installed in a groove within the platform. Connecting seats are located at the four corners of the top of the motor's stator housing. Parallel slide rails are symmetrically arranged horizontally on the platform on both the front and rear sides of the groove. The left and right ends of the two slide rails are connected by gantry frames. A moving mechanism is located between the two gantry frames. Slide plates that cooperate with the slide rails are located at the bottom of the moving mechanism corresponding to the two slide rail positions. The moving mechanism includes symmetrically arranged support frames, each support frame comprising two vertical beams fixed to the slide plates, connected by several connecting beams. A horizontally arranged left longitudinal beam has its front and rear ends fixed to the top of the vertical beam on the left side of the corresponding support frame. On the left longitudinal beam corresponding to the two connecting seats on the left, there are locking parts that cooperate with them. On the right side of the left longitudinal beam, there is a right longitudinal beam horizontally above the support frame. The right longitudinal beam is movably connected to the connecting beam of the support frame on the corresponding side through the transmission parts set on its front and rear sides. On the vertical beam on the left side of the support frame, there is a pushing hydraulic cylinder that cooperates with the transmission parts. On the right longitudinal beam corresponding to the two connecting seats on the right, there are locking parts that cooperate with it. On the two vertical beams below the pushing hydraulic cylinder, there are clamping seats. On the right gantry frame corresponding to the clamping seat, there is a fixed seat. The cylinder seat of a translation hydraulic cylinder is fixedly clamped in the two clamping seats. Its piston rod extends horizontally out of the right clamping seat and connects to the fixed seat on the corresponding side.

[0006] Optionally, the locking component includes an elongated groove formed on the surface of the left / right longitudinal beam along the length direction of the left / right longitudinal beam, a vertically arranged lead screw, the lower end of which passes through the elongated groove and is threadedly connected to the connecting seat on the corresponding side, a handle is provided horizontally at the upper end of the lead screw, and a limiting plate is fixedly sleeved on the lead screw below the handle, abutting against the surface of the left / right longitudinal beam.

[0007] Optionally, the transmission component includes sliding sleeves that are movably sleeved on the two upper connecting beams respectively. The two sliding sleeves are connected by a transmission pipe. The piston rod of the pushing hydraulic cylinder is connected to the transmission pipe. A locking seat for locking the right longitudinal beam is provided on the upper sliding sleeve. Locking bolts connected to the right longitudinal beam are provided on the left and right sides of the locking seat respectively.

[0008] Optionally, a wedge-shaped protrusion is formed in the middle of the slide rail surface along its length, and a wedge-shaped groove is formed in the middle of the bottom surface of the slide plate that mates with the slide rail along its length, with the wedge-shaped protrusion movably engaged in the wedge-shaped groove.

[0009] Optionally, a number of adjustable support feet are provided at intervals along the length of the slide rail at the bottom.

[0010] The advantages of this utility model using the above-mentioned technical solution are: reasonable structural design, convenient operation, use of hard connection, and precise control of the stator's horizontal movement to avoid swaying during horizontal movement, fundamentally eliminating collision between the stator and rotor, effectively protecting the motor, and enabling maintenance procedures to proceed smoothly. Attached Figure Description

[0011] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0012] Figure 2 This is a three-dimensional structural diagram of the moving mechanism;

[0013] Figure 3 This is a three-dimensional structural diagram of the right longitudinal beam and transmission components;

[0014] In the diagram, 1. Platform; 2. Groove; 3. Motor; 4. Connecting seat; 5. Slide rail; 6. Gantry frame; 7. Slide plate; 8. Vertical beam; 9. Connecting beam; 10. Left longitudinal beam; 11. Right longitudinal beam; 12. Pushing hydraulic cylinder; 13. Clamping seat; 14. Fixed seat; 15. Translation hydraulic cylinder; 16. Long slot; 17. Lead screw; 18. Handle; 19. Limiting plate; 20. Sliding sleeve; 21. Transmission pipe; 22. Card seat; 23. Locking bolt; 24. Wedge-shaped protrusion; 25. Wedge-shaped groove; 26. Adjustable support foot. Detailed Implementation

[0015] To clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific embodiments and in conjunction with the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application; however, this application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of this application is not limited to the specific embodiments disclosed below.

[0016] Furthermore, it should be understood in the description of this application that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and "circumferential," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, 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, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0017] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances. In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that the specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples.

[0018] like Figure 1-3As shown, in this embodiment, a stator horizontal removal device for a large horizontal water pump unit includes a platform 1 and a motor 3 disposed in a groove 2 within the platform 1. Connecting seats 4 are respectively provided at the four corners of the top of the stator housing of the motor 3. Parallel slide rails 5 are symmetrically arranged horizontally on the platform 1 on both sides of the groove 2. The left and right ends of the two slide rails 5 are connected by gantry frames 6. A moving mechanism is provided between the two gantry frames 6. Slide plates 7, which cooperate with the slide rails 5, are respectively provided at the bottom of the moving mechanism corresponding to the two slide rails 5. The moving mechanism includes symmetrically arranged support frames. Each support frame includes two vertical beams 8 fixedly connected to the slide plates 7. The two vertical beams 8 are connected by several connecting beams 9. A horizontally arranged left longitudinal beam 10 is fixedly connected at its front and rear ends to the top of the vertical beam 8 on the left side of the corresponding support frame. Locking components are provided on the left longitudinal beams 10 corresponding to the two connecting seats 4 on the left. A right longitudinal beam 11 is horizontally provided above the support frame on the right side of the left longitudinal beam 10. The right longitudinal beam 11 is movably connected to the connecting beam 9 of the support frame on the corresponding side through the transmission components provided on its front and rear sides. A pushing hydraulic cylinder 12 is provided on the vertical beam 8 on the left side of the support frame, which cooperates with the transmission components. Locking components are provided on the right longitudinal beams 11 corresponding to the two connecting seats 4 on the right. Clamping seats 13 are provided on the two vertical beams 8 below the pushing hydraulic cylinder 12. A fixed seat 14 is provided on the right gantry 6 corresponding to the clamping seat 13. The cylinder seat of a translation hydraulic cylinder 15 is fixedly engaged in the two clamping seats 13. Its piston rod extends horizontally out of the right clamping seat 13 and is connected to the fixed seat 14 on the corresponding side.

[0019] Optionally, the locking member includes an elongated groove 16 formed along the length of the left longitudinal beam 10 / right longitudinal beam 11 on the surface of the left longitudinal beam 10 / right longitudinal beam 11, a vertically arranged lead screw 17, the lower end of which passes through the elongated groove 16 and is threadedly connected to the connecting seat 4 on the corresponding side, a handle 18 is provided horizontally at the upper end of the lead screw 17, and a limiting plate 19 is fixedly sleeved on the lead screw 17 below the handle 18 and abuts against the surface of the left longitudinal beam 10 / right longitudinal beam 11.

[0020] Optionally, the transmission component includes sliding sleeves 20 that are movably sleeved on the two upper connecting beams 9 respectively. The two sliding sleeves 20 are connected by a transmission pipe 21. The piston rod of the pushing hydraulic cylinder 12 is connected to the transmission pipe 21. A locking seat 22 for locking the right longitudinal beam 11 is provided on the upper sliding sleeve 20. Locking bolts 23 connected to the right longitudinal beam 11 are provided on the left and right sides of the locking seat 22 respectively.

[0021] Optionally, a wedge-shaped protrusion 24 is formed along the length of the slide rail 5 at the center of its surface, and a wedge-shaped groove 25 is formed along the length of the slide plate 7 at the center of its bottom surface, which mates with the slide rail 5. The wedge-shaped protrusion is movably engaged in the wedge-shaped groove. The slide plate 7 can slide and engage better with the wedge-shaped protrusion 24 on the slide rail 5 through the wedge-shaped groove 25, making the movement of the device smoother and avoiding shaking.

[0022] Optionally, a number of adjustable support feet 26 are provided at intervals along the length of the slide rail 5 at its bottom. When there is a depression in the position of the platform 1, the height of the slide rail 5 can be adjusted by each of the adjustable support feet 26 to keep it parallel to the motor shaft.

[0023] In use, the operator controls the translation hydraulic cylinder 15 to move the moving mechanism along the two slide rails 5. When the left longitudinal beam 10 moves to the two connecting seats 4 on the left side of the motor 3, the operator turns the handle 18 to align the lead screw 17 with the corresponding connecting seat 4 and thread it onto it until the limiting plate 19 abuts against the surface of the left longitudinal beam 10 on the long slot 16. Then, the operator controls the push hydraulic cylinder 12 to push the transmission tube 21, causing it to slide horizontally along the connecting beam 9 through the sliding sleeves 20 on the upper and lower sides. When the right longitudinal beam 11 moves to the two connecting seats 4 on the right side of the motor 3, the operator turns the handle 18 to align the lead screw 17 with the corresponding connecting seat 4 and thread it onto it until the limiting plate 19 abuts against the surface of the right longitudinal beam 11 on the long slot 16. This completes the hard connection between the moving mechanism and the motor 3. Finally, the operator controls the translation hydraulic cylinder 15 to move the stator housing of the motor 3 outward. At this point, maintenance personnel can carry out repairs. After the repairs are completed, the moving mechanism can be returned to its original position. Its structure is rationally designed and easy to operate. It uses a rigid connection and can precisely control the horizontal movement of the stator to avoid wobbling during horizontal movement, fundamentally eliminating collisions between the stator and rotor, effectively protecting the motor, and allowing maintenance procedures to proceed smoothly, thus solving problems existing in current technology.

[0024] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model. For those skilled in the art, any alternative improvements or transformations made to the implementation of this utility model fall within the protection scope of this utility model.

[0025] Any aspects of this utility model not described in detail are known to those skilled in the art.

Claims

1. A device for horizontally removing the stator of a large horizontal water pump unit, comprising a platform and a motor disposed in a groove within the platform, characterized in that, Connecting seats are provided at the four corners of the top of the stator housing of the motor. Slide rails are horizontally parallel and symmetrically arranged on the platforms on both sides of the groove. The left and right ends of the two slide rails are connected by gantry frames. A moving mechanism is provided between the two gantry frames. Slide plates that cooperate with the slide rails are provided at the bottom of the moving mechanism corresponding to the two slide rail positions. The moving mechanism includes symmetrically arranged support frames. Each support frame includes two vertical beams fixed to the slide plates. The two vertical beams are connected by several connecting beams. A horizontally arranged left longitudinal beam has its front and rear ends fixed to the top of the vertical beam on the left side of the corresponding support frame. On the left longitudinal beam corresponding to the two connecting seats on the left side... Each component is equipped with a locking mechanism. A right longitudinal beam is horizontally positioned above the support frame on the right side of the left longitudinal beam. The right longitudinal beam is movably connected to the connecting beam of the corresponding support frame via transmission components located on its front and rear sides. A push hydraulic cylinder that cooperates with the transmission component is positioned on the vertical beam on the left side of the support frame. Locking mechanisms that cooperate with the transmission component are respectively positioned on the right longitudinal beam at the positions of the two connecting seats on the right side. Clamping seats are respectively positioned on the two vertical beams below the push hydraulic cylinder. A fixed seat is positioned on the right gantry frame at the position of the corresponding clamping seat. The cylinder seat of a translation hydraulic cylinder is fixedly engaged in the two clamping seats, and its piston rod extends horizontally through the clamping seat on the right side and connects to the fixed seat on the corresponding side.

2. The stator horizontal removal device for a large horizontal water pump unit according to claim 1, characterized in that, The locking component includes a long groove formed on the surface of the left / right longitudinal beam along the length of the left / right longitudinal beam, a vertically arranged lead screw, the lower end of which passes through the long groove and is threadedly connected to the connecting seat on the corresponding side, a handle is provided horizontally at the upper end of the lead screw, and a limiting plate is fixedly sleeved on the lead screw below the handle, abutting against the surface of the left / right longitudinal beam.

3. The stator horizontal removal device for a large horizontal water pump unit according to claim 1, characterized in that, The transmission component includes sliding sleeves that are movably sleeved on the two upper connecting beams respectively. The two sliding sleeves are connected by a transmission pipe. The piston rod of the pushing hydraulic cylinder is connected to the transmission pipe. A locking seat for locking the right longitudinal beam is provided on the upper sliding sleeve. Locking bolts connected to the right longitudinal beam are provided on the left and right sides of the locking seat respectively.

4. The stator horizontal removal device for a large horizontal water pump unit according to claim 1, characterized in that, A wedge-shaped protrusion is made in the middle of the slide rail surface along its length, and a wedge-shaped groove is made in the middle of the bottom surface of the slide plate that mates with the slide rail along its length. The wedge-shaped protrusion is movably engaged in the wedge-shaped groove.

5. The stator horizontal removal device for a large horizontal water pump unit according to claim 1, characterized in that, Several adjustable support feet are provided at intervals along the length of the slide rail at the bottom.

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