Auxiliary device for replacing yaw calipers of fan

Abstract

The utility model relates to a fan yaw caliper replacement auxiliary device which comprises a supporting rod, a rotating seat and a moving seat, and the supporting rod is vertically installed on the moving seat. The rotating base is installed on the supporting rod, can move up and down and be positioned, and is used for supporting the yaw calipers to be disassembled and assembled. The yaw caliper supporting device has the advantages of being simple in structure, reasonable in design, capable of supporting yaw calipers in the dismounting and mounting process, convenient to replace the yaw calipers, high in efficiency, time-saving and labor-saving.

Description

Technical Field

[0001] The utility model relates to the technical field of fan power generation, and particularly relates to an auxiliary device for replacing a yaw caliper of a fan. Background Art

[0002] The yaw caliper is an important part of the yaw system of a wind turbine. After long-term operation, the yaw caliper will show varying degrees of oil leakage, which will affect the safe operation of the fan. At this time, it is necessary to consider replacing the yaw caliper. The yaw caliper is usually heavy, and it is time-consuming and laborious to rely on manual lifting for replacement. Summary of the Utility Model

[0003] The utility model provides an auxiliary device for replacing a yaw caliper of a fan, aiming to solve the problems in the prior art.

[0004] The technical solution of the utility model for solving the above technical problems is as follows:

[0005] An auxiliary device for replacing a yaw caliper of a fan, comprising a support rod, a rotating seat and a moving seat. The support rod is vertically installed on the moving seat; the rotating seat is installed on the support rod and can move up and down and be positioned to support the yaw caliper to be disassembled and assembled.

[0006] The beneficial effect of the utility model is that during the process of replacing the yaw caliper, when it is necessary to disassemble the yaw caliper, the whole device can be moved to the lower part of the yaw caliper at this time, and then the rotating seat is moved up to the top of the support rod to support the yaw caliper. The bolts connecting the yaw caliper and the caliper disc are unscrewed, so that the yaw caliper is separated from the caliper disc. Finally, the whole device is moved, and the yaw caliper is pulled out from the support rod to realize the disassembly of the yaw caliper;

[0007] When it is necessary to install the yaw caliper, the yaw caliper is inserted through the support rod and supported on the rotating seat at this time. The whole device is moved to the lower part of the caliper disc, and then the above rotating seat is moved up until the yaw caliper fits with the caliper disc, and the bolts are screwed into the threaded holes on the yaw caliper and the caliper disc to connect the yaw caliper and the caliper disc, thus completing the installation of the yaw caliper.

[0008] The utility model has a simple structure and reasonable design, can realize the support of the yaw caliper during the disassembly and assembly process, is convenient for replacing the yaw caliper, has high efficiency, and saves time and labor.

[0009] On the basis of the above technical solution, the utility model can be further improved as follows.

[0010] Further, the support rod is a lead screw, the lead screw is vertically installed on the moving seat; the rotating seat is threadedly sleeved on the lead screw.

[0011] The beneficial effects of adopting the above further scheme are that the structure is simple, the design is reasonable, the up-and-down movement and positioning of the rotating seat are realized by the threaded connection between the rotating seat and the lead screw, the operation is simple, and it saves time and effort.

[0012] Further, the lower end of the lead screw is threadedly connected to the moving seat.

[0013] The beneficial effects of adopting the above further scheme are that the structure is simple, the design is reasonable, the above lead screw and the moving seat adopt a split design, which is convenient for replacing the yaw caliper, the operation is simple, and it saves time and effort.

[0014] Further, the rotating seat includes a support sleeve, an upper support seat and a lower support seat. The support sleeve is threadedly sleeved on the lead screw; the upper support seat and the lower support seat are respectively sleeved outside the lead screw, are respectively located above and below the support sleeve, and are respectively fixedly connected to the support sleeve.

[0015] The beneficial effects of adopting the above further scheme are that the structure is simple, the design is reasonable, the up-and-down movement is realized by the threaded connection between the support sleeve and the lead screw, then the upper support seat is used to support the yaw caliper, and at the same time, the lower support seat and the moving seat can be used for supporting cooperation to ensure the stability during the disassembly and assembly process.

[0016] Further, the support sleeve includes an outer screw sleeve and an outer sleeve pipe. The outer screw sleeve is threadedly sleeved on the lead screw; the outer sleeve pipe is sleeved outside the lead screw, is located above the outer screw sleeve, and is connected to the outer screw sleeve; the upper support seat is fixedly connected to the outer sleeve pipe, and the lower support seat is fixedly connected to the outer screw sleeve.

[0017] The beneficial effects of adopting the above further scheme are that the structure is simple, the design is reasonable, and the above support sleeve adopts a split design, which is more convenient for assembly.

[0018] Further, the outer sleeve pipe is rotatably connected to the outer screw sleeve.

[0019] The beneficial effects of adopting the above further scheme are that the structure is simple, the design is reasonable, by using the rotatable connection between the outer sleeve pipe and the outer screw sleeve, it is convenient to adjust the orientation of the yaw caliper so as to better connect with the caliper disc, and the replacement is more convenient, saving time and effort.

[0020] Further, the upper support seat and / or the lower support seat respectively include a rotating ring. The two rotating rings are respectively sleeved outside the lead screw, are respectively located above the outer sleeve pipe and below the outer screw sleeve, and are respectively fixedly connected to the outer sleeve pipe and the outer screw sleeve through a plurality of support diagonal rods.

[0021] The beneficial effects of adopting the above further solution are as follows: the structure is simple and the design is reasonable. One rotating ring is convenient for supporting the yaw caliper, and the other rotating ring is convenient for cooperating with the moving seat, making it convenient to use. In addition, the two rotating rings are respectively fixedly connected to the outer sleeve and the outer screw sleeve through multiple support diagonal rods, which is convenient for assembly and has high strength.

[0022] Further, the moving seat includes a support plate, and a plurality of movable support legs are vertically and fixedly connected to the support plate at equal intervals; the lead screw is vertically installed on the support plate.

[0023] The beneficial effects of adopting the above further solution are as follows: the structure is simple and the design is reasonable. The support plate can support the rotating seat, making it more convenient to replace the yaw caliper.

[0024] Further, a threaded hole is provided at the center of the support plate, and the lower end of the lead screw is threadedly connected to the threaded hole.

[0025] The beneficial effects of adopting the above further solution are as follows: the structure is simple and the design is reasonable. The lead screw is threadedly connected to the threaded hole on the support plate, which is convenient for disassembly and assembly and is convenient for replacing the yaw caliper.

[0026] Further, a positioning groove is provided at a position corresponding to the edge of the threaded hole on the support plate, and the rotating seat can be moved down to the positioning groove.

[0027] The beneficial effects of adopting the above further solution are as follows: the structure is simple and the design is reasonable. The above positioning groove is convenient for cooperating with the corresponding rotating ring, which is convenient for replacing the yaw caliper. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0029] Figure 2 is a schematic diagram of the structure of the rotating seat in the present invention;

[0030] Figure 3 is a schematic diagram of the structure of the moving seat in the present invention;

[0031] Figure 4 is a schematic diagram of the structure of the present invention at the initial stage of disassembly;

[0032] Figure 5 is a schematic diagram of the structure of the present invention during the disassembly process;

[0033] Figure 6 is a schematic diagram of the structure of the present invention after disassembly is completed.

[0034] In the drawings, the list of components represented by each reference numeral is as follows:

[0035] 100. Caliper Disc; 200. Yaw Caliper; 300. Lead Screw; 400. Rotating Seat; 410. Lower Support Seat; 420. Upper Support Seat; 430. Outer Screw Sleeve; 440. Outer Sleeve Tube; 500. Moving Seat; 510. Support Plate; 520. Threaded Hole; 530. Positioning Groove; 540. Support Leg. Detailed Embodiment

[0036] It should be noted that, without conflict, the embodiments and features in the embodiments of the present invention can be combined with each other.

[0037] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more.

[0038] In the description of the present invention, it should be noted that, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

[0039] The present invention will be described in detail below with reference to the drawings and in combination with embodiments.

[0040] Embodiment 1

[0041] As Figures 1 to 6 shown, this embodiment provides an auxiliary device for replacing the yaw caliper of a fan, which is characterized in that it includes a support rod, a rotating seat 400 and a moving seat 500. The support rod is vertically installed on the moving seat 500; the rotating seat 400 is installed on the support rod and can move up and down and be positioned to support the yaw caliper 200 to be disassembled and assembled.

[0042] During the process of replacing the yaw caliper 200, when it is necessary to disassemble the yaw caliper 200, the entire device can be moved below the yaw caliper 200 at this time, and then the rotating seat 400 is lifted upward to the top of the support rod to support the yaw caliper 200. The bolts connecting the yaw caliper 200 and the caliper disc 100 are unscrewed, so that the yaw caliper 200 is separated from the caliper disc 100. Finally, the entire device is moved, and the yaw caliper 200 is pulled out from the support rod, thus realizing the disassembly of the yaw caliper 200;

[0043] When it is necessary to install the yaw caliper 200, at this time, the yaw caliper 200 penetrates through the support rod and is supported on the rotating seat 400. The entire device is moved below the caliper disc 100, and then the above-mentioned rotating seat 400 is lifted upward until the yaw caliper 200 fits with the caliper disc 100, and the bolts are screwed into the threaded holes on the yaw caliper 200 and the caliper disc 100 to connect the yaw caliper 200 and the caliper disc 100, completing the installation of the yaw caliper 200.

[0044] Preferably, in this embodiment, the above-mentioned support rod is preferably a straight rod.

[0045] Based on the above solution, the above-mentioned caliper disc 100 and yaw caliper 200 are respectively in a disc-shaped structure, and a plurality of threaded holes are respectively provided at the edges of the caliper disc 100 and the yaw caliper 200. The plurality of threaded holes on the caliper disc 100 correspond to the plurality of threaded holes on the yaw caliper 200 one by one.

[0046] The structure of this embodiment is simple and reasonable in design, can realize the support of the yaw caliper 200 during the disassembly and assembly process, is convenient for replacing the yaw caliper 200, has high efficiency, and saves time and effort.

[0047] Embodiment 2

[0048] On the basis of Embodiment 1, in this embodiment, the support rod is a lead screw 300, and the lead screw 300 is vertically installed on the moving seat 500; the rotating seat 400 is threadedly sleeved on the lead screw 300.

[0049] The structure of this solution is simple and reasonable in design, and uses the threaded connection between the rotating seat 400 and the lead screw 300 to realize the up and down movement and positioning of the rotating seat 400, with simple operation and time and effort saving.

[0050] Preferably, in this embodiment, a threaded groove is provided at the center of the above-mentioned caliper disc 100, and a through connection hole is provided at the center of the yaw caliper 200. The connection hole is preferably a hole body or a threaded hole with a smooth hole wall. During assembly, a bolt is installed in the connection hole and the threaded groove, and multiple pairs of threaded holes on the caliper disc 100 and the yaw caliper 200 are respectively connected by bolts.

[0051] Embodiment 3

[0052] On the basis of Embodiment 2, in this embodiment, the lower end of the lead screw 300 is threadedly connected to the moving seat 500.

[0053] This solution has a simple structure and reasonable design. The above-mentioned lead screw 300 and the moving seat 500 adopt a split design, which is convenient for replacing the yaw caliper 200, with simple operation, saving time and effort.

[0054] Alternatively, the lower end of the above-mentioned lead screw 300 is detachably connected to the moving seat 500. For example, a through hole is provided at the center of the moving seat 500, and a threaded hole communicating with the through hole is provided on the moving seat 500. A locking screw is threadedly connected in the threaded hole. When in use, turn the locking screw until one end thereof abuts against or releases the lead screw 300 to fix or release the lead screw 300.

[0055] Embodiment 4

[0056] On the basis of any one of Embodiments 2 to 3, in this embodiment, the rotating seat 400 includes a support sleeve, an upper support seat 420 and a lower support seat 410. The support sleeve is threadedly sleeved on the lead screw 300; the upper support seat 420 and the lower support seat 410 are respectively sleeved outside the lead screw 300, are respectively located above and below the support sleeve, and are respectively fixedly connected to the support sleeve.

[0057] This solution has a simple structure and reasonable design. The up and down movement is realized by the threaded connection between the support sleeve and the lead screw 300, and then the yaw caliper 200 is supported by the upper support seat 420. At the same time, the lower support seat 410 and the moving seat 500 can be used for supporting cooperation to ensure the stability during the disassembly and assembly process.

[0058] Embodiment 5

[0059] On the basis of Embodiment 4, in this embodiment, the support sleeve includes an outer screw sleeve 430 and an outer sleeve 440. The outer screw sleeve 430 is threadedly sleeved on the lead screw 300; the outer sleeve 440 is sleeved outside the lead screw 300, is located above the outer screw sleeve 430, and is connected to the outer screw sleeve 430; the upper support seat 420 is fixedly connected to the outer sleeve 440, and the lower support seat 410 is fixedly connected to the outer screw sleeve 430.

[0060] This solution has a simple structure and reasonable design. The above-mentioned support sleeve adopts a split design, which is more convenient for assembly.

[0061] Alternatively, the above-mentioned support sleeve can also adopt an integral structure.

[0062] Preferably, in this embodiment, the outer diameter of the outer screw sleeve 430 is smaller than the outer diameter of the outer sleeve 440.

[0063] Embodiment 6

[0064] On the basis of Embodiment 5, in this embodiment, the outer sleeve 440 is rotatably connected to the external screw sleeve 430.

[0065] This solution has a simple structure and reasonable design. By rotatably connecting the outer sleeve 440 to the external screw sleeve 430, it is convenient to adjust the orientation of the yaw caliper 200, so as to better connect with the caliper disc 100, and the replacement is more convenient, saving time and effort.

[0066] Preferably, in this embodiment, the above-mentioned outer sleeve 440 is rotatably connected to the external screw sleeve 430 through a bearing, which is convenient for rotation, saving time and effort.

[0067] Alternatively, the above-mentioned outer sleeve 440 and the external screw sleeve 430 can also be fixedly connected. In this case, when adjusting the orientation of the yaw caliper 200 on the rotating seat 400, the entire device needs to be moved, which is inconvenient to adjust and time-consuming and laborious.

[0068] Embodiment 7

[0069] On the basis of any one of Embodiments 5 to 6, in this embodiment, the upper support seat 420 and / or the lower support seat 410 respectively include rotating rings. The two rotating rings are respectively sleeved outside the lead screw 300, and are respectively located above the outer sleeve 440 and below the external screw sleeve 430, and are respectively fixedly connected to the outer sleeve 440 and the external screw sleeve 430 through multiple support diagonal rods.

[0070] This solution has a simple structure and reasonable design. One of the rotating rings is convenient for supporting the yaw caliper 200, and the other rotating ring is convenient for cooperating with the moving seat 500, which is convenient to use; in addition, the two rotating rings are respectively fixedly connected to the outer sleeve 440 and the external screw sleeve 430 through multiple support diagonal rods, which is convenient for assembly and has high strength.

[0071] Preferably, in this embodiment, the above-mentioned two rotating rings are respectively fixedly connected to the outer sleeve 440 and the external screw sleeve 430 through three support diagonal rods.

[0072] Embodiment 8

[0073] On the basis of any one of Embodiments 2 to 7, in this embodiment, the moving seat 500 includes a support plate 510, and a plurality of movable support legs 540 are vertically and fixedly connected to the support plate 510 at equal intervals; the lead screw 300 is vertically installed on the support plate 510.

[0074] This solution has a simple structure and reasonable design. The support plate 510 can be used to support the rotating seat 400, and it is more convenient to replace the yaw caliper 200.

[0075] Preferably, in this embodiment, the above-mentioned support plate 510 is preferably a rectangular plate.

[0076] Preferably, in this embodiment, the above-mentioned supporting legs 540 are preferably four in number, and the four supporting legs 540 are respectively vertically and fixedly installed at the four corners of the support plate 510.

[0077] In addition, walking wheels are respectively rotatably installed at the lower ends of the four supporting legs 540.

[0078] Moreover, the above-mentioned walking wheels are preferably universal wheels with brakes.

[0079] Embodiment 9

[0080] On the basis of Embodiment 8, in this embodiment, a threaded hole 520 is provided at the center of the support plate 510, and the lower end of the lead screw 300 is threadedly connected to the threaded hole 520; a positioning groove 530 is provided at a position corresponding to the edge of the threaded hole 520 on the support plate 510, and the rotating seat 400 can be moved downward to the positioning groove 530.

[0081] This scheme has a simple structure and reasonable design. The lead screw 300 is threadedly connected to the threaded hole 520 on the support plate 510, which is convenient for disassembly and assembly and is convenient for replacing the yaw caliper 200.

[0082] During disassembly, when the rotating seat 400 drives the yaw caliper 200 to move downward until the rotating seat 400 is in contact with the support plate 510, at this time, the lead screw 300 can be manually removed from the support plate 510, and then the yaw caliper 200 can be removed.

[0083] During installation, the yaw caliper 200 can be first placed on the rotating seat 400, and then the lead screw 300 is passed through the rotating seat 400 and then connected to the threaded hole 520 on the support plate 510, which is convenient for operation.

[0084] Embodiment 10

[0085] On the basis of Embodiment 9, in this embodiment, a positioning groove 530 is provided at a position corresponding to the edge of the threaded hole 520 on the support plate 510, and the rotating seat 400 can be moved downward to the positioning groove 530.

[0086] This scheme has a simple structure and reasonable design. The above-mentioned positioning groove 530 is convenient for cooperating with the corresponding rotating ring, which is convenient for replacing the yaw caliper 200.

[0087] Preferably, in this embodiment, the above two rotating rings are respectively preferably circular rings, and the edge of the above positioning groove 530 just fits with the outer side of the corresponding rotating ring.

[0088] The working principle of the present utility model is as follows:

[0089] (1) The disassembly process of the yaw caliper 200 is as follows: When disassembling the yaw caliper 200, first loosen all the bolts of the yaw caliper 200 and remove the bolts in the middle part. Manually move the entire device to the lower part of the yaw caliper 200, rotate the lead screw 300 to raise its height, make it pass through the connection hole of the yaw caliper 200 and then screw it into the threaded groove of the caliper disc 100. Then rotate the lower support base 410 so that the upper support base 420 abuts against the bottom of the yaw caliper 200, and remove the remaining bolts of the yaw caliper 200, as Figure 5 shown;

[0090] Reverse-rotate the lower support base 410 to gradually lower its height, and the yaw caliper 200 will also descend until the lower support base 410 falls into the positioning groove 530 of the moving base 500, as Figure 6 shown, completing the disassembly of the yaw caliper 200;

[0091] It should be noted that when the rotating ring is about to fall into the positioning groove 530, the descent can be achieved by rotating the support diagonal rod at this time;

[0092] (2) The installation process of the yaw caliper 200 is as follows: Keep the rotating base 400 and the yaw caliper 200 stationary, rotate the lead screw 300 to lower its height and disengage it from the caliper disc 100, push the device away from its original position, and then rotate the lead screw 300 to gradually disengage it from the threaded hole of the rotating base 400 until it is pulled out from the yaw caliper 200. At this time, the yaw caliper 200 can be replaced;

[0093] Place the replaced yaw caliper 200 on the upper support base 420, reinsert the lead screw 300, move the device to the position where the yaw caliper 200 needs to be installed, rotate the lead screw 300 to raise its height and screw it into the threaded groove of the caliper disc 100, and then rotate the lower support base 410 to raise the height of the yaw caliper 200 until it reaches the installation height, and then install the yaw caliper 200.

[0094] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0095] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0096] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A wind turbine yaw caliper replacement auxiliary device, characterized in that: The invention comprises a support rod, a rotating seat (400) and a movable seat (500), wherein the support rod is vertically mounted on the movable seat (500); the rotating seat (400) is mounted on the support rod, and can be moved up and down and positioned, and is used to support the yaw caliper (200) to be disassembled and assembled; the support rod is a lead screw (300), and the lead screw (300) is vertically mounted on the movable seat (500); the rotating seat (400) is threadedly sleeved on the lead screw (300); the rotating seat (400) comprises a support sleeve, an upper support seat (420) and a lower support seat (410), and the support sleeve is threadedly sleeved on the lead screw (300); the upper support seat (420) and the lower support seat (410) are respectively sleeved outside the lead screw (300), and are respectively located above and below the support sleeve, and are respectively fixedly connected to the support sleeve.

2. The wind turbine yaw caliper replacement auxiliary device according to claim 1, characterized in that: The lower end of the lead screw (300) is threadedly connected to the moving seat (500).

3. The wind turbine yaw caliper replacement auxiliary device according to claim 1, characterized in that: The support sleeve comprises an outer thread sleeve (430) and an outer sleeve (440), wherein the outer thread sleeve (430) is threadedly sleeved on the lead screw (300); the outer sleeve (440) is sleeved outside the lead screw (300), is located above the outer thread sleeve (430), and is connected to the outer thread sleeve (430); the upper support seat (420) is fixedly connected to the outer sleeve (440), and the lower support seat (410) is fixedly connected to the outer thread sleeve (430).

4. The wind turbine yaw caliper replacement auxiliary device according to claim 3 is characterized in that: The outer sleeve (440) is rotatably connected to the outer threaded sleeve (430).

5. The wind turbine yaw caliper replacement auxiliary device according to claim 3, characterized in that: The upper support seat (420) and / or the lower support seat (410) respectively include a rotating ring, and the two rotating rings are respectively mounted outside the lead screw (300), and are respectively located above the outer sleeve (440) and below the outer screw sleeve (430), and are respectively fixedly connected to the outer sleeve (440) and the outer screw sleeve (430) through a plurality of supporting inclined rods.

6. The wind turbine yaw caliper replacement auxiliary device according to any one of claims 1 to 5, characterized in that: The movable seat (500) comprises a support plate (510), on which a plurality of movable support legs (540) are evenly spaced and vertically fixedly connected; the lead screw (300) is vertically mounted on the support plate (510).

7. The wind turbine yaw caliper replacement auxiliary device according to claim 6, characterized in that: A threaded hole (520) is provided at the center of the support plate (510), and the lower end of the lead screw (300) is threadedly connected to the threaded hole (520).

8. The wind turbine yaw caliper replacement auxiliary device according to claim 7, characterized in that: A positioning groove (530) is provided on the support plate (510) at a position corresponding to the edge of the threaded hole (520), and the rotating seat (400) can move downward to the positioning groove (530).

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