Wind wheel locking disc testing device

Abstract

The utility model relates to the technical field of torque testing devices, and discloses a wind wheel locking disc testing device which comprises a base and further comprises an installation frame fixed to the top of the base, a main shaft is arranged on the inner wall of the installation frame, a shaft sleeve is arranged at one end of the outer wall of the main shaft in a sleeved mode, a shaft sleeve body and a shaft sleeve outer ring are integrally formed on the shaft sleeve, and the shaft sleeve body is connected with the shaft sleeve outer ring. Firstly, the main shaft is respectively fixed on the mounting rack and the test force arm through the shaft sleeve and the connecting flange, the hydraulic assemblies installed at the two sides apply forces in opposite directions to the test force arm to test the maximum bearing torque of the wind wheel locking disc, and the arrangement of the driving motor also can provide a part of forces required by the test to play an auxiliary role. The first bearing and the second bearing can reduce the rotation friction force between the main shaft and the mounting rack and the test force arm, can reduce the deformation of the main shaft caused by overlarge torsion, prolongs the service life of the main shaft, the mounting rack and the test force arm, and reduces the test cost.

Description

Technical Field

[0001] The utility model relates to the technical field of torque testing devices, in particular to a wind wheel locking disc testing device. Background Art

[0002] The rotor locking disc is an important component in a wind turbine generator set used to fix and connect the rotor and the main shaft. Its main function is to ensure that the rotor remains stable during operation and can withstand huge axial and radial loads. The structural design of the rotor locking disc is directly related to the safety and stability of the wind turbine generator set. After the rotor locking disc is processed, it needs to undergo a torque test to generate positive pressure on the joint surface between the sleeve and the main shaft. Then, a torque load is applied to the drive shaft through a torque test loading device until the sleeve and the main shaft slip, thereby measuring the maximum torque that the wind turbine locking disc can provide when working.

[0003] However, continuously applying force during the test will cause the spindle to deform, or the test arm and fixed mounting seat will be damaged due to the increase in torque between the spindle and the test arm and mounting seat. Once damaged, they need to be scrapped and replaced, increasing the test cost. Utility Model Content

[0004] The purpose of the utility model is to provide a wind wheel locking disc test device to solve the problem that the main shaft, test arm and mounting seat are damaged due to excessive torque, which increases the test cost.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a wind turbine locking disc test device, comprising a base, and further comprising: a mounting frame fixed to the top of the base, a main shaft being provided on the inner wall of the mounting frame, a shaft sleeve being sleeved on one end of the outer wall of the main shaft, a shaft sleeve body and a shaft sleeve outer ring being integrally formed on the shaft sleeve, the shaft sleeve outer ring being mounted on the front face of the mounting frame by fastening bolts, and a test force arm being provided on the outer wall of the main shaft;

[0006] A connecting flange is installed on the back of the test arm, and the connecting flange includes a flange body and a flange sleeve. The connecting flange is connected to the main shaft through a spline, and the flange sleeve is fixedly installed on the back of the test arm by fastening bolts. Hydraulic components are provided on both sides of the front of the test arm, and the ground of the hydraulic components is fixedly installed on both sides of the top surface of the base.

[0007] Preferably, gear one is fixedly installed on the other end of the outer wall of the main shaft, gear two is meshedly connected on the outer wall of gear one, a transmission shaft is installed on the inner wall of gear two, and a drive motor is installed on one side of the transmission shaft, and the drive motor is fixedly installed on the back of the test force arm.

[0008] Preferably, a wind wheel locking disk is installed at one end of the outer wall of the sleeve body away from the mounting frame, and the wind wheel locking disk includes a locking inner disk and a locking outer disk, and the locking inner disk is sleeved on the outer wall of the sleeve body, and the locking inner disk and the locking outer disk are interference-connected by an annular cone surface, and the locking inner disk is installed in the changing cone surface of the locking outer disk by a fastening bolt.

[0009] Preferably, the mounting frame includes a mounting seat, a vertical plate, a reinforcing column, a mounting hole 1, and a bearing 1. The mounting seat is mounted on the top of the base by fastening bolts, and the top of the mounting seat is fixedly connected to the vertical plate.

[0010] Preferably, a plurality of reinforcing columns are fixedly connected to the bottom of the front and back sides of the vertical plate, and the bottoms of the reinforcing columns are fixedly connected to the top of the mounting seat.

[0011] Preferably, a mounting hole 1 is opened on the top of the front side of the vertical plate, a bearing 1 is fixedly installed on the inner wall of the mounting hole 1, and the inner wall of the bearing 1 is rotatably connected to the outer wall of the main shaft.

[0012] Preferably, the test force arm includes a force arm frame main body, a second mounting hole, a second bearing, and reinforcing ribs. A second mounting hole is opened in the center of the front of the force arm frame main body, a second bearing is fixedly installed inside the second mounting hole, the inner wall of the second bearing is rotatably connected to the outer wall of the main shaft, and a plurality of reinforcing ribs are fixedly connected to the front and back of the force arm frame main body.

[0013] Preferably, both sides of the arm frame body are rotatably connected to fixing members via limiting rods, one side of the fixing member is provided with a mounting slot, and the inner wall of the mounting slot is movably connected to the outer wall of the arm frame body.

[0014] Preferably, a hydraulic pump is fixedly mounted on the bottom of the fixing member, the bottom of the hydraulic pump is fixedly connected to the top of the base, and a pressure sensor is fixedly mounted on the outer wall of the hydraulic pump.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] According to the utility model, first, the main shaft is fixed to the mounting frame and the test force arm respectively through the shaft sleeve and the connecting flange, and the hydraulic components installed on both sides apply the force in the opposite direction to the test force arm to test the maximum torque that the wind wheel locking disk can withstand. At the same time, the setting of the drive motor can also provide a part of the force required for the test, playing an auxiliary role. Bearing 1 and bearing 2 can reduce the rotational friction between the main shaft and the mounting frame and the test force arm, and can reduce the deformation of the main shaft due to excessive torque, thereby increasing the service life of the main shaft, the mounting frame and the test force arm and reducing the test cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1A schematic structural diagram of a preferred embodiment of the wind wheel locking disc test device provided by the utility model;

[0018] Figure 2 This is a schematic diagram of the back view structure provided by the utility model;

[0019] Figure 3 A side sectional structural diagram provided by the utility model;

[0020] Figure 4 A schematic diagram of the structure of the fixing seat and the test arm provided by the utility model;

[0021] Figure 5 This is a schematic diagram of the shaft sleeve structure provided by the utility model.

[0022] In the figure: 1. Base; 2. Mounting frame; 201. Mounting seat; 202. Vertical plate; 203. Reinforced column; 204. Mounting hole one; 205. Bearing one; 3. Main shaft; 4. Bushing; 401. Bushing body; 402. Bushing outer ring; 5. Test lever arm; 501. Lever frame body; 502. Mounting hole two; 503. Bearing two; 504. Reinforcement rib; 6. Connecting flange; 7. Gear one; 8. Gear two; 9. Drive motor; 10. Hydraulic assembly; 1001. Hydraulic pump; 1002. Pressure sensor; 1003. Fixing piece; 1004. Mounting slot; 11. Wind wheel locking disk. DETAILED DESCRIPTION

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

[0024] See also Figure 1-5 As shown, a wind rotor locking disk test device includes a base 1 and a mounting frame 2 fixed to the top of the base 1. A main shaft 3 is provided on the inner wall of the mounting frame 2. The main shaft 3 is a main body for transmitting simulated output force. A shaft sleeve 4 is sleeved on one end of the outer wall of the main shaft 3. The shaft sleeve 4 is integrally formed with a shaft sleeve body 401 and a shaft sleeve outer ring 402. The shaft sleeve outer ring 402 is mounted on the front of the mounting frame 2 via fastening bolts. The shaft sleeve 4 fixes and limits the main shaft 3 and the mounting frame 2. A test force arm 5 is provided on the outer wall of the main shaft 3, which is the main structure for applying pressure to the main shaft 3.

[0025] A connecting flange 6 is installed on the back of the test arm 5. The connecting flange 6 includes a flange body and a flange sleeve. The connecting flange 6 is connected to the main shaft 3 through a spline, and the connection is more stable. The flange sleeve is fixed to the back of the test arm 5 by fastening bolts. Hydraulic components 10 are provided on both sides of the front of the test arm 5. They are the main components for applying torque pressure to the wind wheel locking disk 11 for testing. The directions of force applied by the two hydraulic components 10 are opposite, and the ground of the hydraulic components 10 is fixed on both sides of the top surface of the base 1.

[0026] refer to Figure 2 As shown, a gear 1 7 is fixedly mounted on the other end of the outer wall of the main shaft 3, a gear 2 8 is meshedly connected to the outer wall of the gear 1 7, a transmission shaft is mounted on the inner wall of the gear 2 8, and a drive motor 9 is mounted on one side of the transmission shaft. The operation of the drive motor 9 can drive the rotation of the main shaft 3, provide part of the force required for the test, and play an auxiliary role. The drive motor 9 is fixedly mounted on the back of the test arm 5.

[0027] refer to Figure 3 and Figure 5 As shown, a wind wheel locking disk 11 is installed at one end of the outer wall of the sleeve body 401 away from the mounting frame 2. The wind wheel locking disk 11 includes a locking inner disk and a locking outer disk, and the locking inner disk is sleeved on the outer wall of the sleeve body 401. The locking inner disk and the locking outer disk are connected by an interference fit of an annular cone surface. The locking inner disk is installed in the changing cone surface of the locking outer disk by a fastening bolt. After the fastening bolt is tightened, the locking inner disk will apply pressure to the sleeve 4 and the main shaft 3 to lock the main shaft 3.

[0028] The mounting frame 2 includes a mounting seat 201, a vertical plate 202, a reinforcing column 203, a mounting hole 204, and a bearing 205. The mounting seat 201 is installed on the top of the base 1 by fastening bolts. The top of the mounting seat 201 is fixedly connected to the vertical plate 202. The front and back bottoms of the vertical plate 202 are fixedly connected with multiple reinforcing columns 203, making the mounting frame 2 more sturdy and longer-lasting. The bottom of the reinforcing column 203 is fixedly connected to the top of the mounting seat 201. A mounting hole 204 is provided on the front top of the vertical plate 202. A bearing 205 is fixedly installed on the inner wall of the mounting hole 204. The inner wall of the bearing 205 is rotatably connected to the outer wall of the main shaft 3. When the main shaft 3 is tested, the setting of the bearing 205 can reduce the friction contact between the mounting seat 201 and the main shaft 3, thereby increasing the service life of the mounting frame 2 and the main shaft 3.

[0029] The test lever arm 5 includes a lever arm frame main body 501, a second mounting hole 502, a second bearing 503, and a reinforcing rib 504. A second mounting hole 502 is opened at the center of the front of the lever arm frame main body 501, and a second bearing 503 is fixedly installed inside the second mounting hole 502. The inner wall of the second bearing 503 is rotatably connected to the outer wall of the main shaft 3, reducing the rotational friction between the lever arm frame main body 501 and the main shaft 3, and achieving better load-bearing effect. The front and back of the lever arm frame main body 501 are fixedly connected with multiple reinforcing ribs 504 to increase the strength of the lever arm frame main body 501.

[0030] The two sides of the arm frame body 501 are rotatably connected to the fixing parts 1003 through the limit rod, which plays a connecting role. A mounting slot 1004 is provided on one side of the fixing part 1003, and the inner wall of the mounting slot 1004 is movably connected to the outer wall of the arm frame body 501, and can rotate in the mounting slot 1004. A hydraulic pump 1001 is fixedly installed at the bottom of the fixing part 1003 to provide the power required for the test. The pressures applied by the two hydraulic pumps 1001 are opposite, so that the arm frame body 501 can rotate, thereby driving the main shaft 3 to generate a rotational force in the shaft sleeve 4, thereby testing the maximum torque that the wind wheel locking disk 11 can withstand. The bottom of the hydraulic pump 1001 is fixedly connected to the top of the base 1, and a pressure sensor 1002 is fixedly installed on the outer wall of the hydraulic pump 1001, which can display the parameters of the force applied by the hydraulic pump 1001.

[0031] Working principle: When in use, the main shaft 3 is installed on the mounting frame 2 fixedly connected to the top of the base 1, and the main shaft 3 is rotatably connected to the inner wall of the bearing 1 205. The mounting frame 2 will not be damaged during rotation. A sleeve 4 is provided on the outer wall of the main shaft 3, and the sleeve outer ring 402 is fixedly mounted on the front of the vertical plate 202 by fastening bolts. Then the wind wheel locking disk 11 is installed on the outer wall of the mounting seat 201. The locking inner disk and the locking outer disk of the wind wheel locking disk 11 are connected by an interference fit of the annular cone surface, and the locking inner disk is installed in the annular cone surface of the locking outer disk by fastening bolts, which plays a role in fastening the sleeve 4 and the main shaft 3, so as to facilitate testing. Bearing 2 503 is also provided on the outer wall of the main shaft 3, and a connecting flange 6 is connected to the outer wall of the main shaft 3 through a spline. The connecting flange 6 can lock the main shaft 3, and a gear is fixedly installed on the outer wall of the main shaft 3 away from the connecting flange 6. Wheel 1 7, gear 1 7 is meshed with gear 2 8 on its outer wall, and a transmission shaft is installed on the inner wall of gear 2 8, and the outer wall of the transmission shaft is installed on the output end of the drive motor 9. The operation of the drive motor 9 can drive the rotation of the main shaft 3 to provide part of the force required for the test. The outer wall of the bearing 2 503 is fixedly connected to the inside of the mounting hole 2 502 opened on the front of the arm frame body 501, and the front and back of the mounting hole 2 502 are fixedly connected with multiple reinforcing ribs 504. The two sides of the test arm 5 are rotatably connected with the fixing parts 1003 through the limit rod, and the bottom of the fixing part 1003 is fixedly installed with a hydraulic pump 1001. The two hydraulic pumps 1001 move in opposite directions to provide pressure to cooperate with the drive motor 9. The pressure sensor 1002 installed on the outer wall of the hydraulic pump 1001 can detect the torque value that the wind wheel locking disk 11 can withstand.

[0032] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wind wheel locking disc test device, comprising a base (1), characterized in that: Also includes: A mounting frame (2) is fixed to the top of the base (1), a main shaft (3) is provided on the inner wall of the mounting frame (2), a shaft sleeve (4) is sleeved on one end of the outer wall of the main shaft (3), a shaft sleeve body (401) and a shaft sleeve outer ring (402) are integrally formed on the shaft sleeve (4), the shaft sleeve outer ring (402) is mounted on the front of the mounting frame (2) by fastening bolts, and a test force arm (5) is provided on the outer wall of the main shaft (3); A connecting flange (6) is mounted on the back of the test arm (5), the connecting flange (6) comprising a flange body and a flange sleeve, the connecting flange (6) is connected to the main shaft (3) via a spline, the flange sleeve is fixedly mounted on the back of the test arm (5) via fastening bolts, and hydraulic components (10) are provided on both sides of the front of the test arm (5), and the ground of the hydraulic components (10) is fixedly mounted on both sides of the top surface of the base (1).

2. A wind wheel locking disc test device according to claim 1, characterized in that: A gear 1 (7) is fixedly mounted on the other end of the outer wall of the main shaft (3), a gear 2 (8) is meshedly connected to the outer wall of the gear 1 (7), a transmission shaft is mounted on the inner wall of the gear 2 (8), and a drive motor (9) is mounted on one side of the transmission shaft, and the drive motor (9) is fixedly mounted on the back of the test arm (5).

3. The wind wheel locking disc test device according to claim 1, characterized in that: A wind wheel locking disk (11) is installed at one end of the outer wall of the sleeve body (401) away from the mounting frame (2), and the wind wheel locking disk (11) includes a locking inner disk and a locking outer disk, and the locking inner disk is sleeved on the outer wall of the sleeve body (401), and the locking inner disk and the locking outer disk are interference-connected via an annular conical surface, and the locking inner disk is installed in the annular conical surface of the locking outer disk via a fastening bolt.

4. The wind wheel locking disc test device according to claim 1, characterized in that: The mounting frame (2) comprises a mounting seat (201), a vertical plate (202), a reinforcing column (203), a first mounting hole (204), and a first bearing (205); the mounting seat (201) is mounted on the top of the base (1) by fastening bolts; the top of the mounting seat (201) is fixedly connected to the vertical plate (202).

5. The wind wheel locking disc test device according to claim 4, characterized in that: A plurality of reinforcing columns (203) are fixedly connected to the bottoms of the front and back sides of the vertical plate (202), and the bottoms of the reinforcing columns (203) are fixedly connected to the top of the mounting seat (201).

6. The wind wheel locking disc test device according to claim 4, characterized in that: A mounting hole (204) is provided on the top of the front face of the vertical plate (202), a bearing (205) is fixedly mounted on the inner wall of the mounting hole (204), and the inner wall of the bearing (205) is rotatably connected to the outer wall of the main shaft (3).

7. The wind wheel locking disc test device according to claim 1, characterized in that: The test force arm (5) comprises a force arm frame body (501), a second mounting hole (502), a second bearing (503), and a reinforcing rib (504). The center of the front face of the force arm frame body (501) is provided with a second mounting hole (502). The interior of the second mounting hole (502) is fixedly mounted with a second bearing (503). The inner wall of the second bearing (503) is rotatably connected to the outer wall of the main shaft (3). The front and back faces of the force arm frame body (501) are fixedly connected with a plurality of reinforcing ribs (504).

8. The wind wheel locking disc test device according to claim 7, characterized in that: Both sides of the arm frame body (501) are rotatably connected to fixing members (1003) via limiting rods, one side of the fixing member (1003) is provided with a mounting slot (1004), and the inner wall of the mounting slot (1004) is movably connected to the outer wall of the arm frame body (501).

9. The wind wheel locking disc test device according to claim 8, characterized in that: A hydraulic pump (1001) is fixedly mounted on the bottom of the fixing member (1003), the bottom of the hydraulic pump (1001) is fixedly connected to the top of the base (1), and a pressure sensor (1002) is fixedly mounted on the outer wall of the hydraulic pump (1001).

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