Lifting equipment for fan maintenance

Abstract

The utility model discloses a lifting device for fan maintenance. The lifting device comprises a machine table, a moving mechanism and a lifting mechanism. A support plate is arranged in the machine table; the moving mechanism comprises a threaded rod, an internal threaded cylinder, a sliding plate and universal wheels, the sliding plate is slidably connected to the interior of the machine table, the universal wheels are arranged at the four corners of the lower end of the sliding plate respectively, the internal threaded cylinder is arranged in the middle of the upper end of the sliding plate, the threaded rod is in threaded connection with the interior of the internal threaded cylinder, and the upper end of the threaded rod is rotationally connected to the lower end of the supporting plate; the lifting mechanism is arranged at the upper end of the machine table, a control switch set is arranged at the front end of the left side face of the machine table, the input end of the control switch set is electrically connected with an external power source, and the moving mechanism further comprises a first motor, a worm and a worm gear. And meanwhile, the lifting effect is better, and use is more facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of fan maintenance, in particular to a lifting device used for fan maintenance. Background Art

[0002] A fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine. Fan is China's customary abbreviation for gas compression and gas delivery machinery. The fans usually referred to include ventilators, blowers, and wind turbines. Fans are widely used in factories, mines, tunnels, cooling towers, vehicles, ships, and buildings for ventilation, dust removal and cooling, boilers and industrial furnaces for ventilation and ventilation; air conditioning equipment and household appliances for cooling and ventilation; grain drying and selection, wind tunnel wind source and hovercraft inflation and propulsion, etc.

[0003] Some of the existing lifting equipment used for wind turbine maintenance uses external power for traction and uses electric motors or small diesel engines as power for hydraulic lifting;

[0004] Traditional lifting equipment used for fan maintenance has the following problems: when the maintenance position needs to be changed, the equipment cannot be moved quickly. When the equipment needs to be moved, workers need to use external power to pull it, which affects the work efficiency of fan maintenance. At the same time, hydraulic lifting has limited lifting height and is not conducive to use. For this reason, we propose a lifting equipment for fan maintenance. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a lifting device for fan maintenance, so that the equipment can be moved quickly without the need for external power traction, thereby avoiding affecting the work efficiency of repairing the fan. At the same time, the lifting effect is better and more conducive to use, which can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lifting device for wind turbine maintenance, comprising a machine platform, a moving mechanism and a lifting mechanism;

[0007] Machine: There is a support plate inside it;

[0008] Moving mechanism: It includes a threaded rod, an internal threaded barrel, a sliding plate and a universal wheel. The sliding plate is slidably connected to the inside of the machine platform. Universal wheels are respectively arranged at the four corners of the lower end of the sliding plate. An internal threaded barrel is arranged in the middle of the upper end of the sliding plate. The internal thread of the internal threaded barrel is connected to the threaded rod. The upper end of the threaded rod is rotatably connected to the lower end of the support plate.

[0009] Lifting mechanism: It is set at the upper end of the machine, so that the equipment can be moved quickly without the need for external power traction, avoiding affecting the work efficiency of repairing the fan. At the same time, the lifting effect is better and more conducive to use.

[0010] Furthermore, a control switch group is provided at the front end of the left side of the machine, and the input end of the control switch group is electrically connected to an external power supply to provide electrical connection for various electrical appliances.

[0011] Furthermore, the moving mechanism also includes a motor 1, a worm and a worm wheel, the worm wheel is fixedly connected to the upper end of the threaded rod, the motor 1 is arranged at the upper end of the support plate, the rear end of the output shaft of the motor 1 is fixedly connected to the worm, the worm and the worm wheel are meshingly connected, and the input end of the motor 1 is electrically connected to the output end of the control switch group to provide mobile drive.

[0012] The upper end of the U-shaped seat is slidably connected to the adjacent sliding rods, and the upper end of the U-shaped seat is slidably connected to the adjacent sliding rods, and the upper end of the U-shaped seat is slidably connected to the adjacent sliding rods, and the upper end of the support plate is provided with a guardrail to realize lifting.

[0013] Furthermore, the lifting mechanism also includes a screw rod. A vertical plate is provided in the middle of the upper surface of the machine platform. A screw rod is rotatably connected between the left side surface of the vertical plate and the left side wall of the machine platform. The screw rod is threadedly connected to the threaded hole in the middle of the slide bar to facilitate lifting.

[0014] Furthermore, the lifting mechanism also includes a second motor, which is arranged at the left end of the machine platform, and the input end of the second motor is electrically connected to the output end of the control switch group to provide lifting drive.

[0015] Furthermore, the two front and rear adjacent connecting rods 1 and 2 are rotatably connected via a rotating column to facilitate lifting.

[0016] Compared with the prior art, the beneficial effects of the utility model are: the lifting device for fan maintenance has the following advantages:

[0017] 1. When repairing the fan, first adjust the control switch group, the motor starts to run, the output shaft of the motor drives the worm to rotate, the rotation of the worm drives the meshing worm wheel to rotate, the rotation of the worm wheel will drive the threaded rod to rotate, the rotation of the threaded rod will drive the internal threaded barrel of the thread to rotate, the internal threaded barrel will move downward, and then drive the sliding plate to move downward, the sliding plate moves downward so that the universal wheels are in contact with the ground, then the motor stops moving, the machine is pushed to the maintenance site, and then the control switch group is adjusted, the motor runs counterclockwise, the universal wheels will be retracted inside the machine, so that the equipment can be moved quickly without the use of external power traction, so as to avoid affecting the working efficiency of repairing the fan.

[0018] 2. Then, by adjusting the control switch group, the motor 1 rotates counterclockwise, the universal wheel will be retracted inside the machine, and then the worker stands on the upper end of the support plate. Then, by adjusting the control switch group, the motor 2 runs, and the output shaft of the motor 2 drives the screw rod to rotate. The screw rod rotation will drive the threaded slider to move to the right on the slider. When the slider moves to the right, it will drive the connecting rod 1 to move to the right. The two connecting rods 1 are respectively connected by the rotation of the pin shaft and cross with the adjacent connecting rods 2, which will lift the right end of the support plate. Then, the U-shaped seats 2 at the upper ends of the two connecting rods 2 are respectively connected by the sliding connection with the adjacent sliding rods, which will lift the left end of the support plate, and then the support plate will be completely lifted. The worker can repair the fan, and the lifting effect is better, which is more conducive to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the front side sectional structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model.

[0022] In the figure: 1 machine, 2 support plate, 3 moving mechanism, 31 motor 1, 32 worm, 33 worm wheel, 34 threaded rod, 35 internal threaded cylinder, 36 sliding plate, 37 universal wheel, 4 vertical plate, 5 lifting mechanism, 501 motor 2, 502 screw rod, 503 slide bar, 504 slide rod, 505 U-type seat 1, 506 connecting rod 1, 507 U-type block 1, 508 connecting rod 2, 509 U-type seat 2, 510 U-type block 2, 511 sliding rod, 512 support plate, 513 guardrail, 6 control switch group. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-3 , This embodiment provides a technical solution: a lifting device for wind turbine maintenance, including a machine platform 1, a moving mechanism 3 and a lifting mechanism 5;

[0025] Machine 1: a support plate 2 is provided inside the machine 1, a control switch group 6 is provided at the front end of the left side of the machine 1, and an input end of the control switch group 6 is electrically connected to an external power supply;

[0026] The moving mechanism 3 includes a threaded rod 34, an internal threaded barrel 35, a sliding plate 36 and a universal wheel 37. The sliding plate 36 is slidably connected to the inside of the machine 1. Universal wheels 37 are respectively provided at the four corners of the lower end of the sliding plate 36. An internal threaded barrel 35 is provided in the middle of the upper end of the sliding plate 36. The internal thread of the internal threaded barrel 35 is connected to the threaded rod 34. The upper end of the threaded rod 34 is rotatably connected to the lower end of the support plate 2. The moving mechanism 3 also includes a motor 31, a worm 32 and a worm wheel 33. The worm wheel 33 is fixedly connected to the upper end of the threaded rod 34. The motor 31 is arranged at the upper end of the support plate 2. The rear end of the output shaft of the motor 31 is fixedly connected to the worm 32. The worm 32 is meshed with the worm wheel 33. The input end of the motor 31 is electrically connected to the worm 32. Connect the output end of the control switch group 6. When repairing the fan, firstly, by adjusting the control switch group 6, the motor 31 is operated, and the output shaft of the motor 31 drives the worm 32 to rotate. The rotation of the worm 32 drives the meshing worm wheel 33 to rotate. The rotation of the worm wheel 33 will drive the threaded rod 34 to rotate. The rotation of the threaded rod 34 will drive the internal threaded barrel 35 of the thread to rotate. The internal threaded barrel 35 will move downward, thereby driving the sliding plate 36 to move downward. The sliding plate 36 moves downward so that the universal wheels 37 are in contact with the ground. Then the motor 31 stops moving, and the machine 1 is pushed to the maintenance place. Then, by adjusting the control switch group 6, the motor 31 runs counterclockwise, and the universal wheels 37 are retracted into the inside of the machine 1.

[0027] Lifting mechanism 5: It is arranged at the upper end of the machine 1. The lifting mechanism 5 includes a slide bar 503, a slide bar 504, a U-shaped seat 1 505, a connecting rod 1 506, a U-shaped block 1 507, a connecting rod 2 508, a U-shaped seat 2 509, a U-shaped block 2 510, a slide bar 511, a support plate 512 and a guardrail 513. The front and rear ends of the upper surface of the machine 1 are fixedly connected with the slide bar 504. The slide bar 503 is slidably connected between the two slide bars 504. The front and rear ends of the upper surface of the slide bar 503 are fixedly connected with the slide bar 504. A U-shaped seat 505 is provided, and the interior of the U-shaped seat 505 is rotatably connected to a connecting rod 506 through a rotating shaft. The upper end of the connecting rod 506 is rotatably connected to a U-shaped block 510 through a rotating shaft. The upper ends of the U-shaped block 510 are fixedly connected to the right side of the lower surface of the support plate 512. The front and rear ends of the lower surface of the support plate 512 are fixedly connected to a sliding rod 511 through a vertical block. The right end of the upper surface of the machine 1 is provided with a U-shaped block 507 symmetrically arranged in front and back. The U-shaped block 507 The interior of the machine 1 is rotatably connected with a connecting rod 508 through a pin shaft, and the upper end of the connecting rod 508 is rotatably connected with a U-shaped seat 509 through a rotating column. The upper ends of the U-shaped seats 509 are slidably connected to adjacent sliding rods 511, and a guardrail 513 is provided at the upper end of the support plate 512. The lifting mechanism 5 also includes a screw rod 502. A vertical plate 4 is provided in the middle of the upper surface of the machine 1. A screw rod 502 is rotatably connected between the left side surface of the vertical plate 4 and the left side wall of the machine 1. The screw rod 502 and the slide bar The threaded hole in the middle of 503 is threadedly connected, and the lifting mechanism 5 also includes a motor 2 501. The motor 2 501 is arranged at the left end of the machine 1. The input end of the motor 2 501 is electrically connected to the output end of the control switch group 6. The two adjacent connecting rods 1 506 and 2 508 are rotatably connected through a rotating column. Then, by adjusting the control switch group 6, the motor 1 31 rotates counterclockwise, and the universal wheel 37 will be retracted into the inside of the machine 1. Then the worker stands on the upper end of the support plate 512. Then, by adjusting the control switch group 6, the motor 2 501 is running, and the output shaft of the motor 2 501 drives the screw rod 502 to rotate. The rotation of the screw rod 502 will drive the threaded slide bar 503 to move right on the slide rod 504. When the slide rod 504 moves to the right, it will drive the connecting rod 1 506 to move right respectively. The two connecting rods 1 506 are respectively connected with the adjacent connecting rod 2 508 under the rotation connection of the pin shaft, and the right end of the support plate 512 is lifted up. Then, the U-shaped seats 2 509 at the upper ends of the two connecting rods 2 508 are respectively connected with the adjacent sliding rods 511 under the sliding connection, and the left end of the support plate 512 is lifted up, so that the support plate 512 is completely lifted up, and the workers can repair the fan.

[0028] The working principle of a lifting device for fan maintenance provided by the utility model is as follows: when repairing the fan, first, by adjusting the control switch group 6, the motor 31 is turned on, and the output shaft of the motor 31 drives the worm 32 to rotate, and the rotation of the worm 32 drives the meshing worm wheel 33 to rotate, and the rotation of the worm wheel 33 will drive the threaded rod 34 to rotate, and the rotation of the threaded rod 34 will drive the threaded internal threaded barrel 35 to rotate, and the internal threaded barrel 35 will move downward, thereby driving the sliding plate 36 to move downward, and the sliding plate 36 moves downward so that the universal wheels 37 are in contact with the ground, then the motor 31 stops moving, and the machine 1 is pushed to the maintenance site, and then by adjusting the control switch group 6, the motor 31 runs counterclockwise, and the universal wheels 37 will be retracted into the inside of the machine 1, and then the worker stands on the upper end of the support plate 512. Then, by adjusting the control switch group 6, the motor 2 501 is running, and the output shaft of the motor 2 501 drives the screw rod 502 to rotate. The rotation of the screw rod 502 will drive the threaded slide bar 503 to move right on the slide rod 504. When the slide rod 504 moves to the right, it will drive the connecting rod 1 506 to move right respectively. The two connecting rods 1 506 are respectively connected with the adjacent connecting rod 2 508 under the rotation connection of the pin shaft, and the right end of the support plate 512 is lifted up. Then, the U-shaped seats 2 509 at the upper ends of the two connecting rods 2 508 are respectively connected with the adjacent sliding rods 511 under the sliding connection, and the left end of the support plate 512 is lifted up, so that the support plate 512 is completely lifted up, and the workers can repair the fan.

[0029] It is worth noting that the motor 1 31 and the motor 2 501 disclosed in the above embodiments can both use 5I k12RGU-CF, and the control switch group 6 is provided with switch buttons corresponding to the motor 1 31 and the motor 2 501 for controlling their switching operations.

[0030] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A lifting device for wind turbine maintenance, characterized in that: It comprises a machine platform (1), a moving mechanism (3) and a lifting mechanism (5); Machine (1): a support plate (2) is provided inside the machine; The moving mechanism (3) comprises a threaded rod (34), an internally threaded cylinder (35), a sliding plate (36) and a universal wheel (37). The sliding plate (36) is slidably connected to the inside of the machine platform (1). Universal wheels (37) are respectively arranged at the four corners of the lower end of the sliding plate (36). An internally threaded cylinder (35) is arranged in the middle of the upper end of the sliding plate (36). The internal thread of the internally threaded cylinder (35) is connected to the threaded rod (34). The upper end of the threaded rod (34) is rotatably connected to the lower end of the support plate (2). Lifting mechanism (5): It is arranged at the upper end of the machine platform (1).

2. The lifting device for wind turbine maintenance according to claim 1 is characterized in that: A control switch group (6) is provided at the front end of the left side of the machine platform (1), and an input end of the control switch group (6) is electrically connected to an external power supply.

3. The lifting device for wind turbine maintenance according to claim 2 is characterized in that: The moving mechanism (3) further comprises a motor (31), a worm (32) and a worm wheel (33); the worm wheel (33) is fixedly connected to the upper end of the threaded rod (34); the motor (31) is arranged at the upper end of the support plate (2); the rear end of the output shaft of the motor (31) is fixedly connected to the worm (32); the worm (32) and the worm wheel (33) are meshedly connected; the input end of the motor (31) is electrically connected to the output end of the control switch group (6).

4. The lifting device for wind turbine maintenance according to claim 2 is characterized in that: The lifting mechanism (5) comprises a slide bar (503), a slide rod (504), a U-shaped seat (505), a connecting rod (506), a U-shaped block (507), a connecting rod (508), a U-shaped seat (509), a U-shaped block (510), a sliding rod (511), a support plate (512) and a guardrail (513). The front and rear ends of the upper surface of the machine platform (1) are fixedly connected with the slide bar (504), the two slide bars (504) are slidably connected with the slide bar (503), the front and rear ends of the upper surface of the slide bar (503) are respectively provided with a U-shaped seat (505), the interior of the U-shaped seat (505) is rotatably connected with a connecting rod (506) through a rotating shaft, and the connecting rod (506) The upper end of the machine (1) is rotatably connected to a U-shaped block 2 (510) via a rotating shaft, the upper ends of the U-shaped block 2 (510) are fixedly connected to the right side of the lower surface of the support plate (512), the front and rear ends of the lower surface of the support plate (512) are respectively fixedly connected to sliding rods (511) via vertical blocks, the right end of the upper surface of the machine (1) is provided with a U-shaped block 1 (507) symmetrical in front and back, the interior of the U-shaped block 1 (507) is rotatably connected to a connecting rod 2 (508) via a pin shaft, the upper ends of the connecting rod 2 (508) are respectively rotatably connected to a U-shaped seat 2 (509) via a rotating column, the upper ends of the U-shaped seat 2 (509) are respectively slidably connected to adjacent sliding rods (511), and the upper end of the support plate (512) is provided with a guardrail (513).

5. The lifting device for wind turbine maintenance according to claim 4 is characterized in that: The lifting mechanism (5) also includes a screw rod (502). A vertical plate (4) is provided in the middle of the upper surface of the machine platform (1). A screw rod (502) is rotatably connected between the left side surface of the vertical plate (4) and the left side wall of the machine platform (1). The screw rod (502) is threadedly connected to the threaded hole in the middle of the slide bar (503).

6. The lifting device for wind turbine maintenance according to claim 5, characterized in that: The lifting mechanism (5) further comprises a second motor (501), which is arranged at the left end of the machine platform (1), and the input end of the second motor (501) is electrically connected to the output end of the control switch group (6).

7. The lifting device for wind turbine maintenance according to claim 4 is characterized in that: The two front and rear adjacent connecting rods 1 (506) and 2 (508) are rotatably connected via a rotating column.

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