Parts replacement tooling

Abstract

The present disclosure relates to a parts replacement tool, which is applied to a yaw caliper. The yaw caliper includes a caliper body and a piston, wherein the caliper body has a groove, and the piston is arranged in the groove. The parts replacement tool includes: a cover frame, which is placed on the caliper body and covers the piston, and the cover frame has a columnar space for the piston to slide; a driving mechanism, which is installed on the cover frame; and a connecting piece, one end of which is used for detachable connection with the piston, and the other end is connected to the driving mechanism, so as to drive the piston to rise and fall when driven by the driving mechanism. The cover frame is installed above the piston and is provided with a space for the piston to slide, so as to ensure that the piston can move smoothly in the cover frame. The driving mechanism is installed on the cover frame, and the two ends of the connecting piece are respectively connected to the piston and the driving mechanism. The driving mechanism is used to drive the connecting piece to drive the piston to rise, which reduces the labor intensity of workers and avoids injuries to workers in the process of "pulling" the piston.

Description

Technical Field

[0001] The present disclosure relates to the technical field of wind turbine maintenance, and in particular to a parts replacement tool. Background Art

[0002] The yaw caliper is part of the nacelle of a wind turbine. When the wind speed vector changes, the yaw caliper can quickly and smoothly align with the wind direction so that the wind turbine can obtain greater wind energy. The yaw caliper may include a cylinder and a caliper body. The cylinder may be disposed in the caliper body, and a sealing ring is disposed in the cylinder. A piston tightly connected to the cavity wall of the cylinder body is disposed in the cylinder. When the piston or the sealing ring needs to be repaired, in the related art, it is necessary to first connect the screw rod to the piston, and then pull the screw rod by "brute force" to remove the piston in order to repair the piston or the sealing ring. This method makes the labor intensity of the workers greater, and the workers are easily injured when the piston is suddenly pulled out. Utility Model Content

[0003] The purpose of the present disclosure is to provide a parts replacement tool to at least partially solve the problems existing in the related art.

[0004] In order to achieve the above-mentioned purpose, the present disclosure provides a parts replacement tool, which is applied to a yaw caliper, wherein the yaw caliper includes a caliper body and a piston, wherein the caliper body has a groove, and the piston is arranged in the groove, and the parts replacement tool includes: a cover frame, which is placed on the caliper body and covers the top of the piston, and the cover frame has a columnar space for the piston to slide; a driving mechanism, which is installed on the cover frame; and a connecting piece, one end of which is used for detachable connection with the piston, and the other end is connected to the driving mechanism to drive the piston to rise and fall when driven by the driving mechanism.

[0005] Optionally, the parts replacement tool also includes an abutment, the connecting piece is passed through the cover frame, and both ends are respectively connected to the abutment and the piston; the driving mechanism includes a hydraulic jack, and a hollow jack head transmission-connected to the hydraulic jack, the hollow jack head is sleeved on the connecting piece, one end of the hollow jack head is placed on the cover frame, and the other end is connected to the abutment, so as to drive the abutment to drive the connecting piece to rise and fall.

[0006] Optionally, one end of the connecting member is detachably connected to the middle portion of the piston, and the other end is connected to the middle portion of the abutting member.

[0007] Optionally, at least one end of the connecting member close to the piston is provided with an external thread for threaded connection with the piston.

[0008] Optionally, the length of the portion of the connector having the external thread is 3 mm to 5 mm.

[0009] Optionally, the connecting member is a bolt threadably matched with the abutment member, and the head of the bolt is located above the abutment member so as to be pushed upward by the abutment member.

[0010] Optionally, the abutment member is configured in a sheet shape.

[0011] Optionally, the cover frame includes a hollow cylinder and an end cover, and the hollow cylinder and the end cover define the columnar space.

[0012] Optionally, the end cover is configured in a sheet shape.

[0013] Optionally, there are multiple connectors.

[0014] The technical solution provided by the embodiments of the present disclosure may have the following beneficial effects:

[0015] The cover frame is installed above the piston and is provided with a space for the piston to slide, ensuring that the piston can move smoothly in the cover frame. The driving mechanism is installed on the cover frame, and the two ends of the connecting piece are respectively connected to the piston and the driving mechanism. The driving mechanism is used to drive the connecting piece to drive the piston to rise, which reduces the labor intensity of workers and avoids injuries to workers in the process of "pulling" the piston.

[0016] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present disclosure but do not constitute a limitation of the present disclosure. In the accompanying drawings:

[0018] Figure 1 The figure is a schematic diagram showing the use of a parts replacement tool according to an exemplary embodiment of the present disclosure.

[0019] Figure 2 The figure is a top view showing a use state of a parts replacement tool according to an exemplary embodiment of the present disclosure.

[0020] Figure 3 yes Figure 2 Cross-sectional view along the AA direction.

[0021] Description of Reference Numerals

[0022] 10. caliper body; 11. groove; 20. piston; 100. cover frame; 110. columnar space; 120. end cover; 130. hollow cylinder; 200. driving mechanism; 210. hydraulic jack; 220. jack hollow head; 300. connecting piece; 400. abutment piece. DETAILED DESCRIPTION

[0023] The specific implementation of the present disclosure is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present disclosure, and is not used to limit the present disclosure.

[0024] In this disclosure, unless otherwise stated, directional words such as "upper, lower, vertical" are defined according to the direction of the parts replacement tooling. Figure 3 In the drawing direction, "inside" and "outside" are defined according to the outline of the corresponding parts. In addition, when the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.

[0025] See also Figures 1 to 3 A parts replacement tool provided in an embodiment of the present disclosure is applied to a yaw caliper. The yaw caliper may include a caliper body 10 and a piston 20, wherein the caliper body 10 may have a groove 11, and the piston 20 may be arranged in the groove 11. The parts replacement tool may include a cover frame 100, a driving mechanism 200 and a connecting piece 300. The cover frame 100 may be placed on or mounted on the caliper body 10 through fasteners, and may be covered above the piston 20. The cover frame 100 may have a columnar space 110 for the piston 20 to slide, thereby ensuring that the piston 20 is more stable during the sliding process. The driving mechanism 200 may be installed on the cover frame 100. One end of the connecting piece 300 may be used for detachable connection with the piston 20, and the other end may be connected to the driving mechanism 200. When the connecting piece 300 is driven by the driving mechanism 200, it can drive the piston 20 to rise and fall.

[0026] It can be understood that the cover frame 100 is mounted above the piston 20 and is provided with a space for the piston 20 to slide, ensuring that the piston 20 can move smoothly in the cover frame 100, the driving mechanism 200 is installed on the cover frame 100, and the two ends of the connecting member 300 are respectively connected to the piston 20 and the driving mechanism 200, and the driving mechanism 200 is used to drive the connecting member 300 to drive the piston 20 to rise, thereby removing the piston 20 from the caliper body 10. This tooling in the embodiment of the present disclosure reduces the labor intensity of the workers and avoids injuries to the workers in the process of "pulling" the piston 20.

[0027] It should be noted that the parts replacement tool can be used to replace the piston 20 of the yaw caliper, and can also be used to replace the sealing ring of the yaw caliper. Before replacing the sealing ring, the parts replacement tool is needed to "pull" out the piston 20 arranged in the groove 11, and then the sealing ring installed in the groove wall of the groove 11 can be taken out.

[0028] In one embodiment, see Figures 1 to 3The parts replacement tooling may further include an abutment 400, a connecting piece 300 may be inserted into the cover frame 100, and both ends may be connected to the abutment 400 and the piston 20 respectively, a driving mechanism 200 may include a hydraulic jack 210, and a jack hollow head 220 transmission-connected to the hydraulic jack 210, the jack hollow head 220 may be sleeved on the connecting piece 300, one end of the jack hollow head 220 may be placed on the cover frame 100, and the other end may be connected to the abutment 400, the driving mechanism 200 controls the connecting piece 300 to drive the piston 20 to leave the groove 11 by driving the abutment 400, and there is no need to manually pull the piston, thereby avoiding injuries to workers in the process of "pulling" the piston 20, reducing the labor intensity of workers, improving the efficiency of parts replacement, and avoiding damage to the piston 20 caused by workers' "brute force".

[0029] By providing the abutment 400, the contact area between the connecting member 300 and the hollow head 220 of the jack can be increased. When the thrust (pressure) provided by the hollow head 220 of the jack is constant, the larger the contact area between the connecting member 300 and the hollow head 220 of the jack, the smaller the pressure on the connecting member 300, thereby avoiding damage to the connecting member 300 and ensuring that the connecting member 300 can drive the piston 20 to rise smoothly.

[0030] For further information, see Figure 3 One end of the connecting member 300 can be detachably connected to the middle of the piston 20, and the other end can be connected to the middle of the abutment 400, so that when the hollow head 220 of the jack drives the connecting member 300 to rise and fall through the abutment 400, the parts of the piston 20 that are in contact with the groove wall of the groove 11 in the circumferential direction can be lifted and lowered smoothly and synchronously, thereby preventing the piston 20 or the groove wall of the groove 11 from being damaged.

[0031] In this embodiment, at least one end of the connecting piece 300 close to the piston 20 may be provided with an external thread for threaded connection with the piston 20. The threaded connection facilitates the disassembly and separation of the connecting piece 300 and the piston 20, so that the parts replacement tooling can provide "pulling" service for more pistons 20.

[0032] Further, the length of the portion of the connector 300 with external threads can be 3 mm to 5 mm. For example, the length of the portion of the connector 300 with external threads can be 3 mm, 4 mm or 5 mm. The length of the portion of the external threads can be adjusted according to the depth of the threaded hole of the piston 20, and no specific limitation is made here. Compared with the entire connector 300 being provided with threads, the structural strength of the connector 300 having external threads only at one end close to the piston 20 is higher and less likely to be damaged by the drive mechanism 200.

[0033] Of course, in other embodiments, the connector 300 may be a full thread structure (such as a screw).

[0034] In this implementation, see Figure 3 , the connecting member 300 can be a bolt that is threadedly matched with the abutment 400, and the head of the bolt can be located above the abutment 400 so that it can be pushed upward by the abutment 400. The head of the bolt is located above the abutment 400. First, the contact area between the connecting member 300 and the abutment 400 is increased, ensuring that the process of the abutment 400 pushing the connecting member 300 upward is smoother. Second, when the thread between the abutment 400 and the connecting member 300 fails and the threaded connection between the two is disconnected, the abutment 400 can establish a connection relationship between the two by abutting the head of the bolt to drive the rod of the bolt to move upward. The upward movement of the rod of the bolt can drive the piston 20 to move upward, ensuring that the piston 20 can still be "pulled" out, ensuring the stability and reliability of the parts replacement of the yaw caliper.

[0035] For further information, see Figure 1 and Figure 3 The abutment member 400 can be configured as a sheet, and the cross section of the sheet can be circular or square, etc. On the premise of realizing the lifting function of the driving piston 20, the abutment member 400 is configured as a sheet with a simple structure, which can reduce the manufacturing cost of the parts replacement tooling.

[0036] In one embodiment, see Figure 1 and Figure 3 The cover frame 100 may include a hollow cylinder 130 and an end cover 120. The hollow cylinder 130 and the end cover 120 may define a columnar space 110. The piston 20 may slide in the columnar space 110 during the lifting process. The side wall of the columnar space 110 may limit the left and right shaking of the piston 20 during the lifting process, thereby ensuring that the lifting process of the piston 20 is smooth and reliable.

[0037] Furthermore, the end cover 120 may be constructed in a sheet shape. The cross section of the sheet may be circular or square, etc. On the premise of realizing the lifting function of the driving piston 20, the end cover 120 is configured in a sheet shape with a simple structure, which can reduce the manufacturing cost of the parts replacement tooling.

[0038] In one embodiment, there are multiple connecting members 300, and the number of connecting members 300 is not specifically set here. One of the multiple connecting members 300 can be located in the middle of the abutment 400, and the hollow head 220 of the jack is sleeved on the connecting member 300, and the remaining multiple connecting members 300 can be arranged at intervals in the circumferential direction of the abutment 400. By arranging multiple connecting members 300, the lifting process of the piston 20 can be ensured to be more stable.

[0039] See also Figures 1 to 3 , the installation and use process of the parts replacement tooling can be:

[0040] S910, threading one end of the bolt to the abutment member 400, and sleeve the hollow head 220 of the jack on the rod of the bolt.

[0041] S930, passing the other end of the bolt through the end cover 120 of the cover frame 100 and threadingly connecting it to the piston 20.

[0042] S950 , the hydraulic jack 210 drives the hollow head 220 of the jack to push the abutment member 400 upward. The upward movement of the abutment member 400 can drive the connecting member 300 to move upward, thereby driving the piston 20 to move upward to leave the groove 11 .

[0043] The parts replacement tooling is simple to operate and allows users to replace parts quickly and efficiently.

[0044] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings; however, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept of the present disclosure, a variety of simple modifications can be made to the technical solution of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0045] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0046] In addition, various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. A parts replacement tool, applied to a yaw caliper, the yaw caliper comprising a caliper body and a piston, wherein: The caliper body has a groove, and the piston is arranged in the groove. It is characterized in that the parts replacement tool comprises: A cover frame is placed on the caliper body and covers the piston, and the cover frame has a columnar space for the piston to slide; A driving mechanism mounted on the cover frame; and A connecting piece, one end of which is used for detachable connection with the piston, and the other end of which is connected with the driving mechanism, so as to drive the piston to rise and fall when driven by the driving mechanism.

2. The parts replacement tool according to claim 1, characterized in that: The parts replacement tool also includes an abutment member, the connecting member is passed through the cover frame, and the two ends are respectively connected to the abutment member and the piston; The driving mechanism includes a hydraulic jack and a hollow jack head that is transmission-connected to the hydraulic jack. The hollow jack head is sleeved on the connecting piece. One end of the hollow jack head is placed on the cover frame, and the other end is connected to the abutment member to drive the abutment member to drive the connecting piece to rise and fall.

3. The parts replacement tool according to claim 2, characterized in that: One end of the connecting member is detachably connected to the middle part of the piston, and the other end is connected to the middle part of the abutting member.

4. The parts replacement tool according to claim 2, characterized in that: At least one end of the connecting member close to the piston is provided with an external thread for threaded connection with the piston.

5. The parts replacement tool according to claim 4, characterized in that: The length of the portion of the connector having the external thread is 3 mm to 5 mm.

6. The parts replacement tool according to claim 4, characterized in that: The connecting member is a bolt threadably matched with the abutment member, and the head of the bolt is located above the abutment member so as to be pushed upward by the abutment member.

7. The parts replacement tool according to claim 2, characterized in that: The abutment piece is configured in a sheet shape.

8. The parts replacement tool according to claim 1, characterized in that: The cover frame includes a hollow cylinder and an end cover, and the hollow cylinder and the end cover define the columnar space.

9. The parts replacement tool according to claim 8, characterized in that: The end cover is configured in a sheet shape.

10. The parts replacement tool according to claim 1, characterized in that: The number of the connecting pieces is multiple.

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