Equipment for detecting rotating speed of wind power fan

Abstract

A rotating speed detection device for a wind power fan belongs to the technical field of rotating speed detection of fans, and is characterized in that the outer wall of a support table main body is provided with an accommodating opening, the inner wall of the accommodating opening accommodates a non-contact rotating speed sensor, the inner wall of the accommodating opening is fixedly connected with a tension spring I, and the top of the tension spring I is fixedly connected with a connecting piece; accordingly, the non-contact type rotating speed sensor can be rapidly and conveniently installed and disassembled through introduction of the locking connection table and the locking connection part, so that the trouble of additionally arranging other tools is prevented, the non-contact type rotating speed sensor can be jacked up after being disassembled through introduction of the first tension spring, the connecting piece, the operation plate and the guide rod, the disassembling process is simplified, and the disassembling efficiency is improved. Therefore, the operation efficiency is improved, and the defects that in the prior art, when the non-contact rotating speed sensor is disassembled on the supporting table, the process is tedious, the operation efficiency is not suitable, disassembly is very inconvenient, and one executor cannot independently achieve disassembly operation are effectively overcome.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of the rotational speed detection of fan, specifically relates to a kind of equipment for the rotational speed detection of wind power fan. BACKGROUND

[0002] Wind turbine, that is, wind power fan, is the core equipment of wind energy utilization. It captures wind power through windmill blades and converts it into mechanical energy, and then converts it into electrical energy through generator. The design of the blade and the precise control of the variable pitch system ensure that the fan can efficiently capture wind power.

[0003] To detect the rotational speed of the wind power fan, a non-contact rotational speed sensor is often used to detect the rotational speed of the wind power fan, as disclosed in patent No. "CN208502958U". Specifically, the non-contact rotational speed sensor is placed beside the coupling in the wind turbine cabin to detect the rotational speed of the wind power fan.

[0004] To place the non-contact rotational speed sensor beside the coupling in the wind turbine cabin, a support bar on the cabin wall beside the coupling is commonly used to support the non-contact rotational speed sensor. The non-contact rotational speed sensor detects the rotational speed of the coupling in the wind turbine cabin, thereby detecting the rotational speed of the wind power fan.

[0005] However, the current non-contact rotational speed sensor is often fixed on the support table using fusion, wire connection or adhesion, which makes the disassembly process complicated and not suitable for efficient operation. In addition, some non-contact rotational speed sensors using spring-embedded components for installation are quick and convenient, but when disassembled, the operator has to constantly pull the handle until the embedded strip on the non-contact rotational speed sensor is completely removed from the embedded port, which is very inconvenient, especially when dealing with several spring-embedded components, as one operator cannot independently achieve disassembly operation. SUMMARY

[0006] To solve the above problems, the utility model provides a kind of equipment for the rotational speed detection of wind power fan, effectively avoid the non-contact rotational speed sensor in prior art in support table when disassembly process is complicated, not suitable for efficient operation, when disassembly, very inconvenient, one operator cannot independently achieve disassembly operation defect.

[0007] To overcome the shortcomings of the prior art, the utility model provides a kind of equipment for the rotational speed detection of wind power fan, specifically as follows:

[0008] A kind of equipment for the rotational speed detection of wind power fan, comprising:

[0009] The application discloses a non-contact rotating speed sensor for detecting the rotating speed of a coupling in a nacelle of a wind turbine, which is arranged beside the coupling in the nacelle of the wind turbine, i.e. is supported by a support platform arranged on one end of a support strip fixed on a wall beside the coupling in the nacelle of the wind turbine.

[0010] The support platform comprises:

[0011] The support platform body has an accommodating opening in the outer wall, the inner wall of the accommodating opening accommodates the non-contact rotating speed sensor, the inner wall of the accommodating opening is fixed with a first tension spring, the top of the first tension spring is fixed with a connecting piece, the edge wall of the connecting piece is fixed with a running plate, the inner wall of the running plate is movably connected with a guide strip, and the edge wall of the non-contact rotating speed sensor is fixed with a locking platform.

[0012] Further, the locking platform has a locking opening in the inner wall of the locking platform.

[0013] Further, the edge wall of the support platform body is provided with a stop opening, the inner wall of the stop opening is matched with the running plate, and the outer wall of the support platform body is fixed with an assembly piece.

[0014] Further, the number of the assembly pieces is two pairs and the two pairs of assembly pieces are arranged on two pairs of vertices of the rectangle.

[0015] Further, the assembly piece has a through-type internal thread opening, the internal thread opening is used for coinciding with an internal thread opening arranged on the support strip on the wall beside the coupling in the nacelle of the wind turbine, and a tension screw is screwed in the two coinciding internal thread openings.

[0016] Further, the bottom wall of the non-contact rotating speed sensor is attached to the connecting piece, and both ends of the guide strip are used for being fixed to the support platform body.

[0017] Further, the inner wall of the stop opening and the running plate are matched in a transition fit mode.

[0018] Further, the non-contact rotating speed sensor is a DZ-YH type rotating speed sensor.

[0019] Further, the device for detecting the rotating speed of the wind turbine further comprises:

[0020] The lock joint part comprises a stable shell with an upper opening, a moving strip, a right-angle folding ruler-shaped lock joint piece, a tension spring two, an inclined wall, a three-prism piece, a connecting strip and a handle, the inner wall of the stable shell is fixedly connected with the moving strip, the outer wall of the moving strip is movably connected with the right-angle folding ruler-shaped lock joint piece, the outer wall of the right-angle folding ruler-shaped lock joint piece is fixedly connected with the tension spring two, the lower wall of the right-angle folding ruler-shaped lock joint piece is fixedly connected with the inclined wall, the outer wall of the inclined wall is movably connected with the three-prism piece, the side wall of the three-prism piece is fixedly connected with the connecting strip, the farther end of the connecting strip from the three-prism piece is fixedly connected with the handle, the inner wall of the lock joint port is matched with the right-angle folding ruler-shaped lock joint piece, the inner wall of the positioning port is matched with the right-angle folding ruler-shaped lock joint piece, the outer wall of the stable shell is fixedly connected with the support table body, the number of the lock joint parts is two and they are arranged on two sides, the tension spring two is wound on the outer wall of the moving strip, and the outer wall of the connecting strip is movably connected with the stable shell.

[0021] Further, the structure that the inner wall of the lock joint port is matched with the right-angle folding ruler-shaped lock joint piece is that the inner wall of the lock joint port and the right-angle folding ruler-shaped lock joint piece are combined in a transition fit mode.

[0022] The device has the advantages that:

[0023] The lock joint table and the lock joint part can quickly and conveniently install and disassemble the non-contact type rotation speed sensor, thereby preventing the complexity of adding another tool, and the lock joint table, the lock joint part, the connecting piece, the running plate and the guide rod can lift the non-contact type rotation speed sensor after the non-contact type rotation speed sensor is disassembled, thereby simplifying the disassembly process and improving operation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is an external three-dimensional schematic view of the device for rotation speed detection of a wind power fan;

[0025] Figure 2 is a partial schematic view of B of Figure 1 ;

[0026] Figure 3 is a three-dimensional schematic view of a support table body of the device for rotation speed detection of a wind power fan;

[0027] Figure 4 is a partial three-dimensional schematic view of a support table body of the device for rotation speed detection of a wind power fan;

[0028] Figure 5 is a partial three-dimensional schematic view of the device for rotation speed detection of a wind power fan. DETAILED DESCRIPTION

[0029] The device will be described in the preferred manner in combination with the drawings and embodiments.

[0030] As Figures 1 to 5The utility model discloses a kind of equipment for the rotational speed detection of wind turbine, it includes:

[0031] The non-contact rotational speed sensor is arranged beside the shaft coupling in the wind turbine cabin, that is, the support table is arranged on the one end of the support strip fixed on the cabin wall beside the shaft coupling in the wind turbine cabin to support the non-contact rotational speed sensor. The non-contact rotational speed sensor detects the rotational speed of the shaft coupling in the wind turbine cabin, and the rotational speed of the wind turbine is detected.

[0032] The support table includes:

[0033] The support table body 2 has an accommodating opening 3 on the outer wall. The non-contact rotational speed sensor 4 is accommodated in the accommodating opening 3. The accommodating opening 3 is fixed with a tension spring I 5. The top of the tension spring I 5 is fixed with a connecting piece 6. The connecting piece 6 is fixed with a running plate 7 on the side wall. The inner wall of the running plate 7 is movably connected with a guide strip 8. The side wall of the non-contact rotational speed sensor 4 is fixed with a locking table 9.

[0034] In the preferred but non-limiting embodiment of the utility model, the locking table 9 has a locking opening 29. The inner wall of the locking opening 29 has a positioning opening 30.

[0035] In the preferred but non-limiting embodiment of the utility model, the side wall of the support table body 2 has a stop opening 31. The inner wall of the stop opening 31 matches the running plate 7. The outer wall of the support table body 2 is fixed with an assembly piece 32.

[0036] In the preferred but non-limiting embodiment of the utility model, the number of assembly pieces 32 is two pairs, which are arranged on the two pairs of vertices of the rectangle, respectively.

[0037] In the preferred but non-limiting embodiment of the utility model, the assembly piece 32 has a transparent inner thread opening. The inner thread opening is used to coincide with the inner thread opening on the support strip on the cabin wall beside the shaft coupling in the wind turbine cabin. The tension screw is connected in the two coinciding inner thread openings, so as to fix the support table and the support strip.

[0038] In the preferred but non-limiting embodiment of the utility model, the bottom wall of the non-contact rotational speed sensor 4 is attached to the connecting piece 6. The two ends of the guide strip 8 are used to fix the support table body 2.

[0039] In the preferred but non-limiting embodiment of the utility model, the inner wall of the stop opening 31 matches the running plate 7. The inner wall of the stop opening 31 and the running plate 7 can be combined in a transition fit mode.

[0040] The non-contact type rotating speed sensor is a DZ818-YH type rotating speed sensor in the preferred but non-restrictive embodiment of the utility model.

[0041] The device for detecting rotating speed of a wind power fan further comprises:

[0042] The locking part 10 comprises an open upper stable shell 21, a moving strip 22, a right-angle folding ruler-shaped locking piece 23, a second tension spring 24, an inclined wall 25, a triangular prism 26, a connecting strip 27, and a handle 28. The inner wall of the stable shell 21 is fixedly connected with the moving strip 22. The outer wall of the moving strip 22 is movably connected with the right-angle folding ruler-shaped locking piece 23. The outer wall of the right-angle folding ruler-shaped locking piece 23 is fixedly connected with the second tension spring 24. The lower wall of the right-angle folding ruler-shaped locking piece 23 is fixedly connected with the inclined wall 25. The outer wall of the inclined wall 25 is movably connected with the triangular prism 26. The side wall of the triangular prism 26 is fixedly connected with the connecting strip 27. The farther end of the connecting strip 27 from the triangular prism 26 is fixedly connected with the handle 28. The inner wall of the locking port 29 is matched with the right-angle folding ruler-shaped locking piece 23. The inner wall of the positioning port 30 is matched with the right-angle folding ruler-shaped locking piece 23. The outer wall of the stable shell 21 is fixedly connected with the support table main body 2. The number of the locking part 10 is two and is arranged on both sides. The second tension spring 24 is wound around the outer wall of the moving strip 22. The outer wall of the connecting strip 27 is movably connected with the stable shell 21.

[0043] In the preferred but non-restrictive embodiment of the utility model, the structure that the inner wall of the locking port 29 is matched with the right-angle folding ruler-shaped locking piece 23 is that the inner wall of the locking port 29 and the right-angle folding ruler-shaped locking piece 23 can be combined in a transition fit mode.

[0044] When the non-contact rotation speed sensor 4 is installed, only the non-contact rotation speed sensor 4 is inserted along the accommodating opening 3, and then runs downward after abutting against the abutting piece 6, at this time, the tension spring 1 5 is compressed, the right-angled folding lock piece 23 on the opposite side of the locking part 10 is inserted into the locking opening 29 through the pressing of the arch-shaped structure, and then moves relative to the moving strip 22, at the same time, the tension spring 2 4 is compressed, when the right-angled folding lock piece 23 is inserted into the locking opening 29 and abuts against the positioning opening 30, the right-angled folding lock piece 23 on the opposite side is actively inserted into the positioning opening 30 under the restoring effect of the tension spring 2 4, thereby achieving the positioning and installation of the non-contact rotation speed sensor 4, when the non-contact rotation speed sensor 4 is replaced, only the handle 28 on the locking part 10 is pressed, the abutting strip 27 pulls the three-prism piece 26 to move along the inclined wall 25, thereby pulling the right-angled folding lock piece 23 on the opposite side to move relative to the moving strip 22, so that the head of the right-angled folding lock piece 23 is separated from the positioning opening 30, thereby releasing the constraint on the non-contact rotation speed sensor 4, at this time, the abutting piece 6 is lifted upward along the guide strip 8 through the restoring effect of the compressed tension spring 1 5 under the compressed state, thereby pulling the non-contact rotation speed sensor 4 to move upward by a displacement, so that the right-angled folding lock piece 23 is moved out of the locking opening 29, thereby simplifying the disassembly process and improving the operation efficiency, then the above method is used for installation, and the operation is simple, fast and convenient, without the need to add other tools.

[0045] The utility model has the advantages of:

[0046] The locking table and the locking part can quickly and conveniently install and disassemble the non-contact rotation speed sensor, thereby preventing the addition of other tools, and the tension spring, the abutting piece, the running plate and the guide rod can prevent the non-contact rotation speed sensor from being damaged.

[0047] The utility model has been described above by way of examples, and those skilled in the art should understand that the present disclosure is not limited to the above-described examples, and various changes, modifications and replacements can be made without departing from the scope of the utility model.

Claims

1. A device for detecting the rotational speed of a wind turbine, characterized in that The utility model relates to a kind of non-contact speed sensor for detecting the speed of coupling in wind turbine nacelle, non-contact speed sensor is arranged in the coupling in wind turbine nacelle, i.e. the support table of the one end of support strip more close to the coupling of the cabin wall fixed in the coupling in wind turbine nacelle is fixed, supports non-contact speed sensor; The support table includes: The outer wall of support table main body is provided with accommodating port, the inner wall of accommodating port accommodates non-contact speed sensor, the inner wall of accommodating port is fixed with pull spring one, the top of pull spring one is fixed with link piece, the edge wall of link piece is fixed with running plate, the inner wall of running plate is movably connected with guide strip, the edge wall of non-contact speed sensor is fixed with locking table. Locking table is provided with locking port in it, and the inner wall of locking port is provided with positioning port.

2. The device for detecting the rotational speed of a wind turbine according to claim 1, characterized in that, The edge wall of support table main body is provided with stop port, the inner wall of stop port is matched with running plate, and the outer wall of support table main body is fixed with assembly piece.

3. The device for detecting the rotational speed of a wind turbine according to claim 2, characterized in that The number of assembly piece is two pairs and is arranged on two pairs of vertices of rectangle respectively.

4. The device for detecting the rotational speed of a wind turbine according to claim 3, characterized in that Assembly piece is provided with transparent inner thread port, which is used for coinciding with the inner thread port provided on the support strip of cabin wall beside the coupling of wind turbine nacelle, so as to be connected with the two coinciding inner thread ports by tension screw.

5. The device for detecting the rotational speed of a wind turbine according to claim 4, characterized in that, The bottom wall of non-contact speed sensor is attached to link piece, and both ends of guide strip are used for fixing support table main body.

6. The device for detecting the rotational speed of a wind turbine according to claim 5, characterized in that, The inner wall of stop port is matched with running plate, and the structure is that the inner wall of stop port and running plate can be combined in transition fit mode.

7. The device for detecting the rotational speed of a wind turbine according to claim 6, characterized in that Non-contact speed sensor is DZ-YH type speed sensor.

8. The device for detecting the rotational speed of a wind turbine according to claim 7, characterized in that The device for speed detection of wind turbine further includes:

9. The device for detecting the rotational speed of a wind turbine according to claim 8, characterized in that The locking part includes an open-top stabilizing shell, a moving strip, a right-angle folding ruler-shaped locking piece, a pull spring two, an inclined wall, a three-prism piece, a link strip and a support handle, the inner wall of the stabilizing shell is fixed with the moving strip, the outer wall of the moving strip is movably connected with the right-angle folding ruler-shaped locking piece, the outer wall of the right-angle folding ruler-shaped locking piece is fixed with the pull spring two, the lower wall of the right-angle folding ruler-shaped locking piece is fixed with the inclined wall, the outer wall of the inclined wall is movably connected with the three-prism piece, the edge wall of the three-prism piece is fixed with the link strip, the farther end of the link strip from the three-prism piece is fixed with the support handle, the inner wall of the locking port is matched with the right-angle folding ruler-shaped locking piece, the inner wall of the positioning port is matched with the right-angle folding ruler-shaped locking piece, the outer wall of the stabilizing shell is fixed with the support table main body, the number of the locking part is two and is arranged on both sides, the pull spring two is wound on the outer wall of the moving strip, and the outer wall of the link strip is movably connected with the stabilizing shell. The inner wall of the locking port is matched with the right-angle folding ruler-shaped locking piece, and the structure is that the inner wall of the locking port and the right-angle folding ruler-shaped locking piece can be combined in transition fit mode.

10. The device for detecting the rotational speed of a wind turbine according to claim 9, characterized in that, ​

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