Multifunctional wrench for maintenance of wind generating set

Abstract

The multifunctional wrench comprises a head plate, a fixed threading die is fixedly connected to the top of the left side of the head plate, a through groove is formed in the front face of the head plate, and threaded rods are movably connected to the top and the bottom of an inner cavity of the through groove through bearings. The bottom of the surface of the threaded rod is sleeved with a rotary knob. The threaded rod is rotated through the knob, and the movable threading die is driven to move through the threaded sleeve and the movable plate so as to adjust the distance between the movable threading die and the fixed threading die, so that the special-shaped bolt can be assembled and disassembled through the plum blossom hole, and parts which are easy to lose can be assembled and disassembled through the plum blossom hole. The multifunctional wrench can be attracted and fixed to the magnet, a saw blade can be used when an overlong installation part needs to be cut, and therefore the number of maintenance tools carried during maintenance of the wind generating set is reduced, and people can use the multifunctional wrench conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of wind turbine generator set maintenance tools, in particular to a multifunctional wrench used for wind turbine generator set maintenance. Background Art

[0002] A wrench is a commonly used installation and disassembly tool. It is a hand tool that uses the principle of leverage to twist bolts, screws, nuts and other threaded fastening bolts or nuts to open or sleeve holes. A wrench is used when repairing wind turbines.

[0003] The existing wrenches have a single function. When repairing a wind turbine generator set, multiple repair tools with different functions need to be used. It is troublesome and laborious to carry multiple repair tools with different functions, which brings inconvenience to people. Therefore, a multifunctional wrench for repairing a wind turbine generator set is introduced. Utility Model Content

[0004] The utility model aims to provide a multifunctional wrench for repairing wind turbine generator sets, which has the advantage of being multifunctional and solves the problem that the existing wrenches have a single function and require the use of multiple repair tools with different functions when repairing wind turbine generator sets. It is troublesome and laborious to carry multiple repair tools with different functions, which brings inconvenience to people's use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a multifunctional wrench for repairing wind turbine generator sets, comprising a head plate, a fixed die is fixedly connected to the top of the left side of the head plate, a through groove is opened on the front side of the head plate, a threaded rod is movably connected to the top and bottom of the inner cavity of the through groove through a bearing, a knob is sleeved on the bottom of the surface of the threaded rod, a threaded sleeve is sleeved on the surface of the threaded rod and located at the top of the knob, a movable plate is fixedly connected to the left side of the threaded sleeve, the left side of the movable plate penetrates to the left side of the head plate and is fixedly connected to the movable die, the right side of the head plate is fixedly connected to the connecting plate, a plum blossom hole is opened on the left side of the front side of the connecting plate, a mounting hole is opened at the axis center of the right side of the connecting plate, a mounting rod is threadedly connected between the top and bottom of the inner cavity of the mounting hole, the right side of the mounting rod penetrates to the right side of the connecting plate and is fixedly connected to the vertical plate, and the bottom of the right side of the vertical plate is fixedly connected to the saw blade.

[0006] Preferably, a groove is provided on the right side of the front surface of the connecting plate, and a magnet is fixedly connected to the rear side of the inner cavity of the groove.

[0007] Preferably, a non-slip pad is sleeved on the right side of the surface of the connecting plate, and a support plate is fixedly connected between the vertical plate and the saw blade.

[0008] Preferably, a sliding block is fixedly connected to the right side of the threaded sleeve, and a sliding groove matched with the sliding block is provided on the right side of the inner cavity of the through groove.

[0009] Preferably, a movable groove adapted to the movable plate is provided on the left side of the head plate, and the movable groove is communicated with the through groove.

[0010] Preferably, threaded connection holes are provided on the left sides of the top and bottom of the connection plate, and vertical rods are threadedly connected between the two sides of the inner cavity of the threaded connection holes.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model rotates the threaded rod by turning a knob, drives the movable die to move through the threaded sleeve and the movable plate, so as to adjust the distance between the movable die and the fixed die, so as to be suitable for the installation and removal of bolts of different sizes. Bolts of special shapes can be installed and removed through the plum blossom holes. Parts that are easy to lose can be adsorbed and fixed on magnets. When it is necessary to cut the installation parts that are too long, a saw blade can be used. The multifunctional wrench formed by this reduces the number of maintenance tools carried when repairing wind turbines, and is convenient for people to use.

[0013] 2. The utility model can increase the friction between the connecting plate and the user's hand by arranging the anti-slip pad, can limit the threaded sleeve by arranging the slider and the slide groove, can ensure the normal operation of the movable plate by arranging the movable groove, and can facilitate the user to pull the saw blade by arranging the vertical rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the utility model;

[0016] Figure 3 It is the front view of the structure of the utility model.

[0017] In the figure: 1. head plate; 2. fixed die; 3. through slot; 4. threaded rod; 5. knob; 6. threaded sleeve; 7. movable plate; 8. movable die; 9. connecting plate; 10. plum blossom hole; 11. mounting hole; 12. mounting rod; 13. vertical plate; 14. saw blade; 15. groove; 16. magnet; 17. anti-slip pad; 18. support plate; 19. movable slot; 20. threaded connection hole; 21. vertical rod. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-3 A multifunctional wrench for repairing a wind turbine generator system comprises a head plate 1, a fixed die 2 is fixedly connected to the top of the left side of the head plate 1, a through slot 3 is provided on the front of the head plate 1, a threaded rod 4 is movably connected to the top and bottom of the inner cavity of the through slot 3 through a bearing, a knob 5 is sleeved on the bottom of the surface of the threaded rod 4, a threaded sleeve 6 is sleeved on the surface of the threaded rod 4 and located at the top of the knob 5, a slider is fixedly connected to the right side of the threaded sleeve 6, a slide groove adapted to the slider is provided on the right side of the inner cavity of the through slot 3, and the threaded sleeve 6 can be limited by setting the slider and the slide groove, and the left side of the threaded sleeve 6 is fixedly connected to The movable plate 7, the left side of the movable plate 7 penetrates to the left side of the head plate 1 and is fixedly connected with a movable die 8, the left side of the head plate 1 is provided with a movable groove 19 adapted to the movable plate 7, the movable groove 19 is connected with the through groove 3, and the normal operation of the movable plate 7 can be guaranteed by setting the movable groove 19, the right side of the head plate 1 is fixedly connected with a connecting plate 9, the right side of the front of the connecting plate 9 is provided with a groove 15, the rear side of the inner cavity of the groove 15 is fixedly connected with a magnet 16, the left side of the top and bottom of the connecting plate 9 are provided with threaded connection holes 20, and the two sides of the inner cavity of the threaded connection hole 20 are threadedly connected with a vertical rod 21, By setting the vertical rod 21, it is convenient for users to pull the saw blade 14. A plum blossom hole 10 is opened on the left side of the front of the connecting plate 9, and a mounting hole 11 is opened at the axis center of the right side of the connecting plate 9. A mounting rod 12 is threadedly connected between the top and bottom of the inner cavity of the mounting hole 11. The right side of the mounting rod 12 penetrates to the right side of the connecting plate 9 and is fixedly connected to a vertical plate 13. The bottom of the right side of the vertical plate 13 is fixedly connected to the saw blade 14. An anti-skid pad 17 is sleeved on the right side of the surface of the connecting plate 9, and a support plate 18 is fixedly connected between the vertical plate 13 and the saw blade 14. By setting the anti-skid pad 17, the connection plate 9 and the user can be increased. The friction between the hands of the personnel is used to rotate the threaded rod 4 through the knob 5, and the movable die 8 is driven to move through the threaded sleeve 6 and the movable plate 7 to adjust the distance between the movable die 8 and the fixed die 2, so as to adapt to the installation and removal of bolts of different sizes. Bolts of special shapes can be installed and removed through the plum blossom hole 10. Parts that are easy to lose can be adsorbed and fixed on the magnet 16. When it is necessary to cut the installation parts that are too long, the saw blade 14 can be used. The multifunctional wrench formed in this way reduces the number of maintenance tools carried when repairing wind turbines, making it convenient for people to use.

[0020] When in use, the threaded rod 4 is rotated by the knob 5, and the movable die 8 is driven to move through the threaded sleeve 6 and the movable plate 7 to adjust the distance between the movable die 8 and the fixed die 2, so as to adapt to the installation and removal of bolts of different sizes. Bolts with special shapes can be installed and removed through the plum blossom hole 10. Parts that are easy to lose can be adsorbed and fixed on the magnet 16. When it is necessary to cut the installation parts that are too long, the saw blade 14 can be used. The multifunctional wrench formed in this way reduces the number of maintenance tools carried when repairing wind turbines, making it convenient for people to use.

[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multifunctional wrench for repairing a wind turbine generator set, comprising a head plate (1), characterized in that: The top of the left side of the head plate (1) is fixedly connected to a fixed die (2); the front of the head plate (1) is provided with a through slot (3); the top and bottom of the inner cavity of the through slot (3) are movably connected to a threaded rod (4) through a bearing; the bottom of the surface of the threaded rod (4) is sleeved with a knob (5); the surface of the threaded rod (4) and located at the top of the knob (5) is sleeved with a threaded sleeve (6); the left side of the threaded sleeve (6) is fixedly connected to a movable plate (7); the left side of the movable plate (7) passes through the left side of the head plate (1) and A movable die (8) is fixedly connected, a connecting plate (9) is fixedly connected to the right side of the head plate (1), a plum blossom hole (10) is opened on the left side of the front side of the connecting plate (9), a mounting hole (11) is opened at the axis center of the right side of the connecting plate (9), a mounting rod (12) is threadedly connected between the top and bottom of the inner cavity of the mounting hole (11), the right side of the mounting rod (12) passes through the right side of the connecting plate (9) and is fixedly connected to a vertical plate (13), and a saw blade (14) is fixedly connected to the bottom of the right side of the vertical plate (13).

2. A multifunctional wrench for repairing a wind turbine generator set according to claim 1, characterized in that: A groove (15) is provided on the right side of the front side of the connecting plate (9), and a magnet (16) is fixedly connected to the rear side of the inner cavity of the groove (15).

3. A multifunctional wrench for repairing a wind turbine generator set according to claim 1, characterized in that: An anti-slip pad (17) is sleeved on the right side of the surface of the connecting plate (9), and a support plate (18) is fixedly connected between the vertical plate (13) and the saw blade (14).

4. A multifunctional wrench for repairing a wind turbine generator set according to claim 1, characterized in that: A sliding block is fixedly connected to the right side of the threaded sleeve (6), and a sliding groove matching the sliding block is provided on the right side of the inner cavity of the through groove (3).

5. The multifunctional wrench for repairing a wind turbine generator set according to claim 1, characterized in that: A movable groove (19) adapted to the movable plate (7) is provided on the left side of the head plate (1), and the movable groove (19) is communicated with the through groove (3).

6. A multifunctional wrench for repairing a wind turbine generator set according to claim 1, characterized in that: The left sides of the top and bottom of the connecting plate (9) are both provided with threaded connection holes (20), and vertical rods (21) are threadedly connected between the two sides of the inner cavity of the threaded connection hole (20).

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