A hydropower station electromechanical equipment installation and lifting device

Abstract

This utility model relates to the field of lifting device technology, specifically to a lifting device for the installation of electromechanical equipment in a hydropower station. It includes a lifting bracket, a top plate fixedly connected to the top of the lifting bracket, a lifting mechanism inside the top plate, a slider slidably connected to the outside of the lifting bracket, a storage slot fixedly connected to the outside of the slider, and a positioning mechanism at the bottom of the lifting bracket. The lifting mechanism includes a motor, which is fixedly connected to the top of the top plate. A rotating shaft is fixedly connected to the drive end of the motor, and a large rotating wheel is fixedly connected to the outside of the rotating shaft. This utility model achieves a mechanical locking structure for the fixing components by cooperating and fixing the fixed shaft, adjusting the hole, and adjusting the block. Then, longitudinal quick fixing is achieved by rotating the fixed shaft. Stable locking can be achieved without complex tools, improving fixing efficiency and providing structural support for the safe lifting of electromechanical equipment.

Description

Technical Field

[0001] This utility model relates to the field of lifting device technology, and in particular to a lifting device for the installation of electromechanical equipment in a hydropower station. Background Technology

[0002] When installing and lifting electromechanical equipment in hydropower stations, a type of installation and lifting device is often used. This device, driven by hydraulics, mechanically, or electrically, enables the lifting, lateral movement, and precise alignment of heavy electromechanical equipment such as turbines, generators, and transformers. It features strong load capacity and stable operation, avoiding equipment damage and rework due to alignment deviations, significantly improving installation quality, reducing site restrictions on installation operations, shortening the installation cycle, and providing a solid guarantee for the smooth installation and subsequent stable operation of hydropower station electromechanical equipment.

[0003] The prior art patent document CN222699934U discloses a hydropower station electromechanical equipment installation and lifting device, including two support columns. Each support column has a placement plate on its adjacent side. An adjusting rod is installed inside each support column, and an arc-shaped top plate is fixedly installed at the top of the adjusting rod. The operator first activates the foot-operated jacking device, which lifts the bottom horizontal plate and support columns. Then, the operator rotates the adjusting screw to bring the bottom support block into contact with the ground, further supporting the bottom horizontal plate and support columns. The equipment lifting mechanism then lifts the placement plate and electromechanical equipment upwards, facilitating the installation of the equipment at a suitable height. This device, through the bottom horizontal plate, reinforcing rod, foot-operated jacking device, adjusting screw, and bottom support block, ensures that the support columns do not experience significant swaying or movement when the equipment lifting mechanism lifts the electromechanical equipment inside the placement plate, thus improving stability.

[0004] In some existing hydropower station electromechanical equipment installation and lifting devices, the connection between the lifting wire rope and the mounting plate is not reinforced. During use, the lifting wire rope may fall off, increasing the risk of operation. Therefore, a hydropower station electromechanical equipment installation and lifting device is proposed to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a hydropower station electromechanical equipment installation and lifting device, which solves the problem that some existing hydropower station electromechanical equipment installation and lifting devices are not convenient for disassembling and cleaning mixing equipment.

[0006] To achieve the above objectives, this utility model provides a hydropower station electromechanical equipment installation and lifting device, including a lifting bracket, a top plate fixedly connected to the top of the lifting bracket, a lifting mechanism provided inside the top plate, a slider slidably connected to the outside of the lifting bracket, a storage groove fixedly connected to the outside of the slider, and a positioning mechanism provided at the bottom of the lifting bracket. The lifting mechanism includes a motor, which is externally fixedly connected to the top of the top plate. A rotating shaft is fixedly connected to the drive end of the motor. A large rotating wheel and a small rotating wheel are fixedly connected to the outside of the rotating shaft. A fixed frame is fixedly connected to the bottom of the top plate. A pulley a is rotatably connected to one side of the fixed frame. A pulley b is rotatably connected to the outside of the fixed frame. A wire rope is rotatably connected to the outside of the pulley a. A pulley c is rotatably connected to the outside of the wire rope. A positioning frame is rotatably connected to the outside of the pulley c. A fixing component is provided at the bottom of the positioning frame.

[0007] The positioning mechanism includes a receiving plate, the top of which is fixedly connected to the bottom of the lifting bracket. The receiving plate has a fixing hole inside and a telescopic component is provided at the bottom of the receiving plate.

[0008] The fixing component includes a connecting plate, the top of which is fixedly connected to the bottom of the positioning frame. A fixing shaft is slidably connected inside the connecting plate, and a positioning block is slidably connected outside the fixing shaft. A positioning groove is provided on the outside of the positioning block, and an adjusting block is rotatably connected outside the positioning block. An adjusting hole is provided inside the adjusting block.

[0009] The telescopic assembly includes a telescopic sleeve, the top of which is fixedly connected to the bottom of the receiving plate. A telescopic rod is slidably connected inside the telescopic sleeve, and a tension spring is slidably connected inside the telescopic rod. A rotating upper plate is fixedly connected to the outside of the telescopic sleeve, and a rotating lower plate is rotatably connected to the outside of the rotating upper plate. A pedal is fixedly connected to the outside of the rotating lower plate.

[0010] The telescopic rod has a base plate fixedly connected to its bottom, and a rotating rod is fixedly connected to the outside of the rotating upper plate.

[0011] The pulley b is externally rotatably connected to the outside of the wire rope, and the fixed shaft is externally rotatably connected to the outside of the adjusting hole.

[0012] The adjusting block is externally slidably connected to the inside of the positioning groove, and the connecting plate is externally slidably connected to the inside of the storage groove.

[0013] One outer end of the tension spring is fixedly connected to the top of the telescopic sleeve, and the other outer end of the tension spring is fixedly connected to the bottom of the telescopic rod.

[0014] This utility model discloses a hydropower station electromechanical equipment installation and lifting device. By fixing the fixed shaft, adjusting hole, adjusting block and adjusting hole together, a mechanical locking structure of the fixing component is achieved. Then, the longitudinal fixing is completed by rotating the fixed shaft. Stable locking can be achieved without complicated tools, improving fixing efficiency and providing structural support for the safe lifting of electromechanical equipment.

[0015] This utility model discloses a hydropower station electromechanical equipment installation and lifting device. A pedal drives a 635-type rotating lower plate and upper plate to rotate, and a telescopic rod to extend. Utilizing the linear extension and retraction characteristics of the telescopic rod, a stable support structure is formed between the bottom of the equipment and the ground, preventing slippage or displacement of the lifting equipment during operation due to rollers contacting the ground. This ensures the overall stability of the electromechanical equipment during lifting and reduces safety risks. By rotating the rod, upper plate, and lower plate, the telescopic rod retracts, releasing the equipment from the ground support and allowing the rollers to re-contact the ground, restoring the lifting equipment's mobility. This facilitates adjustments to the equipment position by staff according to operational needs. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0018] Figure 2 This is a three-dimensional structural diagram of the present invention.

[0019] Figure 3 This is the utility model Figure 2 Enlarged structural diagram of a local detail.

[0020] Figure 4 This is a cross-sectional structural diagram of the present invention.

[0021] In the diagram: 1. Lifting bracket; 2. Top plate; 3. Lifting mechanism; 31. Motor; 32. Rotating shaft; 33. Large rotating wheel; 34. Small rotating wheel; 35. Fixed frame; 36. Pulley a; 37. Pulley b; 38. Steel wire rope; 39. Pulley c; 40. Positioning frame; 41. Fixed assembly; 4101. Connecting plate; 4102. Fixed shaft; 4103. Positioning block; 4104. Positioning groove; 4105. Adjusting block; 4106. Adjusting hole; 4. Sliding block; 5. Storage slot; 6. Positioning mechanism; 61. Support plate; 62. Fixed hole; 63. Telescopic assembly; 631. Telescopic sleeve; 632. Telescopic rod; 633. Tension spring; 634. Rotating upper plate; 635. Rotating lower plate; 636. Pedal; 637. Grounding plate; 638. Rotating rod. Detailed Implementation

[0022] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0023] Please see Figures 1-3 This utility model provides a technical solution: a hydropower station electromechanical equipment installation and lifting device, including a lifting bracket 1. The lifting bracket 1 serves as the main support frame of the device, bearing the top plate 2, slider 4, and storage trough 5 components, providing stable vertical guidance for equipment lifting, ensuring that the equipment does not shake during the lifting process. The top plate 2 is fixedly connected to the top of the lifting bracket 1, and the top plate 2 is fixed to the top of the lifting bracket 1, providing an installation platform for the lifting mechanism 3, while bearing the tension during lifting, ensuring the stable operation of the power system. The lifting mechanism 3 is set inside the top plate 2, and the slider 4 is slidably connected to the outside of the lifting bracket 1. The slider 4 slides along the lifting bracket 1, providing vertical guidance for the storage trough 5. The storage trough 5 is fixedly connected to the outside of the slider 4, and is used to place the electromechanical equipment to be installed. Synchronous lifting is achieved by connecting with the fixing component 41 to ensure the smooth movement of the equipment. A positioning mechanism 6 is set at the bottom of the lifting bracket 1. The lifting mechanism 3 includes a motor 31, which provides power output to the lifting mechanism 3. The motor 31 drives the rotating shaft 32 and the rotating wheel to rotate via the rotation of its drive end, controlling the lifting speed and start / stop of the equipment. The motor 31 is externally fixedly connected to the top of the top plate 2. The drive end of the motor 31 is fixedly connected to the rotating shaft 32, which synchronously drives the large rotating wheel 33 and the small rotating wheel 34 to rotate, transmitting the motor power to the wire rope 38. The large rotating wheel 33 is externally fixedly connected to the rotating shaft 32, and the large rotating wheel 33, with a larger diameter, winds up and unwinds the wire rope 38 by rotating. A small wheel 34 is fixedly connected to the outside of the rotating shaft 32. The small wheel 34 rotates to wind up and unwind the steel wire rope 38. The small wheel has a small diameter. A fixed frame 35 is fixedly connected to the bottom of the top plate 2 to provide mounting points for pulleys a36 and b37, ensuring that the pulleys are fixed in position and that the transmission trajectory of the steel wire rope 38 is stable. A pulley a36 is rotatably connected to the outside of the fixed frame 35. By rotating, the direction of the steel wire rope 38 is changed, reducing frictional resistance and converting the rotational motion of the wheel into the vertical lifting motion of the storage trough 5, thereby improving transmission efficiency. The fixed frame 35 is externally rotatably connected to a pulley b37, which changes the direction of the wire rope 38 by rotation, reduces frictional resistance, and converts the rotational motion of the wheel into the vertical lifting motion of the storage trough 5, thereby improving transmission efficiency. The pulley a36 is externally rotatably connected to a wire rope 38, which transmits tension to achieve equipment lifting. It must have high strength and wear resistance to meet the hoisting requirements of heavy electromechanical equipment in hydropower stations. The wire rope 38 is externally rotatably connected to a pulley c39, which changes the direction of the wire rope 38 by rotation, reduces frictional resistance, and converts the rotational motion of the wheel into the vertical lifting motion of the storage trough 5, thereby improving transmission efficiency. The pulley c39 is externally rotatably connected to a positioning frame 40, which transmits the tension of the wire rope 38 to the storage trough 5 and provides an installation foundation for the fixed component 41. A fixing component 41 is provided at the bottom of the positioning frame 40. The positioning frame 40 is fixed to the storage slot 5 by a mechanical locking structure to ensure that the equipment does not fall off during lifting. The fixing component 41 includes a connecting plate 4101, which is connected to the positioning frame 40 at the top and embedded in the storage slot 5 at the bottom. It serves as the mounting carrier for the fixing component 41 and realizes the initial connection between the positioning frame 40 and the storage slot 5. The top of the connecting plate 4101 is fixedly connected to the bottom of the positioning frame 40. A fixing shaft 4102 is slidably connected inside the connecting plate 4101 and passes through the connecting plate and the adjusting block 4105. Through sliding and rotational cooperation, the positioning block 4103 is driven to lock and loosen. The fixing shaft 4102 is slidably connected to the outside of the fixing block 4102. The positioning block 4103 cooperates with the adjusting block 4105 through the positioning groove 4104. Under the drive of the fixing shaft 4102, it is stuck into the inner wall of the storage slot 5 to achieve rigid locking and prevent relative sliding during lifting. The positioning block 4103 has a positioning groove 4104 on its outside, which is a corresponding groove of the positioning block 4103 and is adapted to the positioning block 4103. The positioning block 4103 is rotatably connected to the outside of the positioning block 4103. The adjustment hole 4106 cooperates with the fixed shaft 4102 to convert the rotational movement of the fixed shaft 4102 into the locking action of the positioning block 4103, which facilitates quick operation. The adjustment hole 4106 is provided inside the adjustment block 4105. The adjustment hole 4106 has a hole corresponding to the adjustment block 4105, which can lock the fixed shaft 4102. The pulley b37 is rotatably connected to the outside of the wire rope 38. The fixed shaft 4102 is rotatably connected to the outside of the adjustment hole 4106. The adjustment block 4105 is slidably connected to the inside of the positioning groove 4104. The connecting plate 4101 is slidably connected to the inside of the storage groove 5.

[0024] like Figures 1-4 As shown, the positioning mechanism 6 includes a support plate 61, which serves as a transitional support between the lifting bracket 1 and the fixing component 41, providing an installation base for the telescopic component 63. The top of the support plate 61 is fixedly connected to the bottom of the lifting bracket 1. A fixing hole 62 is provided inside the support plate 61, which can be used with anchor bolts. When the device needs to be fixed for a long time, the support plate 61 and the lifting bracket 1 are rigidly connected by bolts through the fixing hole 62, which further improves the overall stability and prevents the bracket from shifting sideways during hoisting. The bottom of the support plate 61 is provided with a telescopic component 63. The telescopic component 63 realizes the quick fixing and unlocking of the lifting bracket 1 through telescopic adjustment and mechanical locking, adapting to different ground flatness and ensuring that there is no shaking at the bottom during hoisting. The telescopic assembly 63 includes a telescopic sleeve 631, an outer frame for telescopic movement of the telescopic sleeve 631, a sliding guide for the telescopic rod 632, restricting its movement to only the vertical direction, and bearing the tension of the tension spring 633 to ensure the overall structural stability of the telescopic assembly 63. The top of the telescopic sleeve 631 is fixedly connected to the bottom of the receiving plate 61. The telescopic rod 632 is slidably connected inside the telescopic sleeve 631. The telescopic rod 632 is the actuator for telescopic movement and can slide up and down along the telescopic sleeve 631. By adjusting the length, it adapts to the ground height difference and transmits the reset force of the tension spring 633 to provide stable support. The tension spring 633 is slidably connected inside the telescopic rod 632. The tension spring 633 has elastic reset and pre-tightening elements and is always in a stretched state, providing a downward pulling force to the telescopic rod 632, so that the grounding plate 637 is tightly attached to the ground and prevents the grounding plate 637 from detaching due to slight ground vibration. At the same time, when unlocking, the telescopic rod 632 is pulled to reset, which facilitates the movement of the device. The telescopic sleeve 631 is externally fixedly connected to a rotating upper plate 634, which serves as the upper fulcrum for the locking action and provides rotational support for the rotating lower plate 635. At the same time, the rotation angle of the rotating lower plate 635 is limited by the rotating rod 638 to ensure that the locking action is controllable. It is fixed to the telescopic sleeve 631 to ensure that the locking assembly is linked with the telescopic structure. The rotating upper plate 634 is externally rotatably connected to a rotating lower plate 635, which serves as the transmission component for the locking action. By rotating around the rotating upper plate 634, the stepping force of the pedal 636 is converted into a locking force on the telescopic rod 632. When the pedal 636 is stepped on, the rotating lower plate 635 rotates upward and presses the telescopic rod 632, restricting its sliding and achieving rigid locking of the telescopic assembly 63. When the rotating rod 638 is lifted with the foot, it resets under the action of the tension spring 633, unlocking the telescopic rod 632. A pedal 636 is fixedly connected to the outside of the rotating lower plate 635. The pedal 636 is an operation trigger. By stepping on it, the rotation of the rotating lower plate 635 can be easily controlled, thereby locking the telescopic component 63. No tools are needed, which is suitable for the needs of quick operation on the construction site. It contains anti-slip texture to prevent slipping when stepping. A ground contact plate 637 is fixedly connected to the bottom of the telescopic rod 632. The ground contact plate 637 is a ground contact component, which increases the contact area between the telescopic rod 632 and the ground and disperses pressure. Its bottom can be designed with anti-slip texture and rubber pad to increase the friction with the ground, further prevent the support from shifting and enhance stability. A rotating rod 638 is fixedly connected to the outside of the rotating upper plate 634. The support can be unlocked by lifting it. One end of the tension spring 633 is fixedly connected to the top of the telescopic sleeve 631, and the other end of the tension spring 633 is fixedly connected to the bottom of the telescopic rod 632.

[0025] Working principle: Before lifting the electromechanical equipment, the fixing component 41 can be inserted into the corresponding slot of the storage slot 5, the fixing shaft 4102 can be inserted into the hole on the side of the storage slot 5, and then the alignment adjustment hole 4106 can be rotated to close the adjustment block 4105, so that the fixing shaft 4102 passes through the adjustment hole 4106. Then, the fixing shaft 4102 can be rotated to achieve a quick longitudinal fixation of 4101. When lifting the electromechanical equipment, the operator drives the rotating shaft 32 by operating 31. The rotating shaft 32 rotates, causing the large rotating wheel 33 and the small rotating wheel 34 to rotate counterclockwise. The wire rope 38 released from the small rotating wheel 34 passes through pulleys b37, c39 and a36, and finally wraps around the outside of the large rotating wheel 33. The circumference of the small rotating wheel 34 is small and the circumference of the large rotating wheel 34 is large. Therefore, after the wire rope 38 released from the large rotating wheel 33 is retracted by the small rotating wheel 34, the positioning frame 40 connected to the pulley c39 will be lifted.

[0026] When the worker moves the lifting equipment to the working position, they can step on the pedal 636 with their foot, causing the lower rotating plate 635 to rotate counterclockwise and the upper rotating plate 634 to rotate clockwise. At this time, the telescopic rod 632 extends under the rotation of the upper rotating plate 634 and the lower rotating plate 635 to support the equipment. When the equipment needs to be moved, the worker can lift the rotating rod 638 with their foot, realizing the retraction of the upper rotating plate 634 and the lower rotating plate 635, causing the telescopic rod 632 to retract and the rollers to contact the ground for displacement.

[0027] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent variations made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. A lifting device for the installation of electromechanical equipment in a hydropower station, comprising a lifting support, characterized in that: The top of the lifting bracket is fixedly connected to a top plate, the top plate is equipped with a lifting mechanism, the outside of the lifting bracket is slidably connected to a slider, the outside of the slider is fixedly connected to a storage slot, and the bottom of the lifting bracket is equipped with a positioning mechanism. The lifting mechanism includes a motor, which is externally fixedly connected to the top of the top plate. A rotating shaft is fixedly connected to the drive end of the motor. A large rotating wheel and a small rotating wheel are fixedly connected to the outside of the rotating shaft. A fixed frame is fixedly connected to the bottom of the top plate. A pulley a is rotatably connected to one side of the fixed frame. A pulley b is rotatably connected to the outside of the fixed frame. A wire rope is rotatably connected to the outside of the pulley a. A pulley c is rotatably connected to the outside of the wire rope. A positioning frame is rotatably connected to the outside of the pulley c. A fixing component is provided at the bottom of the positioning frame.

2. The hydropower station electromechanical equipment installation and lifting device according to claim 1, characterized in that: The positioning mechanism includes a receiving plate, the top of which is fixedly connected to the bottom of the lifting bracket. The receiving plate has a fixing hole inside and a telescopic component is provided at the bottom of the receiving plate.

3. The hydropower station electromechanical equipment installation and lifting device according to claim 1, characterized in that: The fixing component includes a connecting plate, the top of which is fixedly connected to the bottom of the positioning frame. A fixing shaft is slidably connected inside the connecting plate, and a positioning block is slidably connected outside the fixing shaft. A positioning groove is provided on the outside of the positioning block, and an adjusting block is rotatably connected outside the positioning block. An adjusting hole is provided inside the adjusting block.

4. The hydropower station electromechanical equipment installation and lifting device according to claim 2, characterized in that: The telescopic assembly includes a telescopic sleeve, the top of which is fixedly connected to the bottom of the receiving plate. A telescopic rod is slidably connected inside the telescopic sleeve, and a tension spring is slidably connected inside the telescopic rod. A rotating upper plate is fixedly connected to the outside of the telescopic sleeve, and a rotating lower plate is rotatably connected to the outside of the rotating upper plate. A pedal is fixedly connected to the outside of the rotating lower plate.

5. The hydropower station electromechanical equipment installation and lifting device according to claim 4, characterized in that: The bottom of the telescopic rod is fixedly connected to a ground plate, and the outside of the rotating upper plate is fixedly connected to a rotating rod.

6. The hydropower station electromechanical equipment installation and lifting device according to claim 3, characterized in that: The pulley b is externally rotatably connected to the outside of the wire rope, and the fixed shaft is externally rotatably connected to the outside of the adjusting hole.

7. The hydropower station electromechanical equipment installation and lifting device according to claim 3, characterized in that: The external part of the adjusting block is slidably connected to the inside of the positioning groove, and the external part of the connecting plate is slidably connected to the inside of the storage groove.

8. The hydropower station electromechanical equipment installation and lifting device according to claim 4, characterized in that: One outer end of the tension spring is fixedly connected to the top of the telescopic sleeve, and the other outer end of the tension spring is fixedly connected to the bottom of the telescopic rod.

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