Rotating device for spraying zinc on outer surface of horizontal tail large shaft of airplane by flame
By designing a rotary zinc spraying device for a large shaft of the aircraft, the problem of time-consuming, labor-intensive and uneven zinc spraying in the prior art is solved, and the time-saving and labor-saving and surface uniformity of the zinc spraying process is achieved.
Patent Information
- Application Number
- CN202423168683.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-12-23
AI Technical Summary
In the prior art, the flame sprinkler of zinc on the outer surface of the flat-tailed large shaft of the aircraft is time-consuming and labor-intensive, and the zinc spraying is uneven, making it difficult to control the distance and time of zinc spraying.
A rotating device for flame-spraying zinc on the outer surface of the flat-tail large shaft of the aircraft is designed, including a frame, a rotating disc, an upper joint, a lower joint and a positioning shaft. The rotating disc drives the rotation of the flat-tail large shaft and pairs the upper joint and a lower joint. Protect at both ends, and workers spray zinc on one side.
The time-saving and labor-saving process of zinc spraying is achieved, ensuring the uniformity of zinc spraying surface, and workers do not need to move, making it easier to control the zinc spraying distance, and improving the efficiency of zinc spraying.
Smart Images
Figure CN222499324U_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the technical field of flame zinc spraying in surface treatment, and in particular relates to a rotating device for flame zinc spraying on the outer surface of a horizontal tail shaft of an aircraft. Background Art
[0002] When flame-spraying zinc on the outer surface of the aircraft's horizontal tail shaft, the two ends of the horizontal tail shaft that are not to be sprayed with zinc are protected with plugs, and the shaft is erected vertically, with the lower end clamped with a vise to hold the plugs. The worker walks around the horizontal tail shaft with a spray gun while flame-spraying zinc on the outer surface of the horizontal tail shaft. This method is time-consuming and laborious, and the spraying distance and time are difficult to control, which easily leads to uneven zinc spraying.
[0003] Therefore, it is necessary to design a zinc spraying device which saves time and effort and ensures uniform zinc spraying surface. Utility Model Content
[0004] The purpose of the present application is to provide a rotating device for flame spraying zinc on the outer surface of the aircraft horizontal tail shaft, so as to solve the current problems of time-consuming and labor-intensive manual zinc spraying and uneven zinc spraying.
[0005] The technical solution of the present application is: a rotating device for flame-spraying zinc on the outer surface of a horizontal tail shaft of an aircraft, comprising a frame, a rotating disk, an upper joint, a lower joint and a positioning shaft; the frame is a hollow frame structure, the positioning shaft and the rotating disk are both arranged on the frame, the upper joint is connected to the positioning shaft, and the lower joint is connected to the rotating disk; the rotating disk can drive the horizontal tail shaft to rotate through the lower joint;
[0006] The frame includes a frame, a shaft sleeve, fixing bolts and a mounting plate; a flat-bottom fixing wheel and a flat-bottom brake wheel are arranged at the bottom of the frame, and the flat-bottom fixing wheel and the flat-bottom brake wheel are connected to the frame through hexagonal nuts, spring washers, flat washers and hexagonal bolts; the shaft sleeve is vertically welded to the middle position of the upper end of the frame; the bottom of the frame is a rectangular frame structure, and there are two sets of fixing bolts installed on the rectangular frame structure for daily storage of the upper joint and the lower joint; the mounting plate is welded on the four circumferential vertices of the rectangular frame structure;
[0007] The rotating disk includes a sleeve, a disc and a rotating shaft; a rotating shaft hole is opened at the center position of the frame, and a tapered roller bearing and a deep groove ball bearing are arranged in the rotating shaft hole. The rotating shaft is a stepped shaft, and the diameter of the rotating shaft gradually decreases from the middle to both ends. The rotating shaft is vertically inserted in the rotating shaft hole and is connected to the inner rings of the tapered roller bearing and the deep groove ball bearing; a hexagonal slot nut, a locking washer and a cotter pin are arranged at the lower end of the rotating shaft for locking; the sleeve is rotatably connected to the top of the rotating shaft, and the disc is fixedly connected to the maximum diameter position of the rotating shaft and the disc is fixedly connected to the sleeve.
[0008] Preferably, a bearing seat is arranged in the rotating shaft hole, and the bearing seat includes a connecting plate and a support seat, and the connecting plate and the support seat are welded together. The connecting plate is welded to the middle position of the lower end of the frame, and the center of the support seat is coaxially arranged with the lower joint during welding. The support seat is a cylindrical structure, and the lower end of the support seat is used to install a deep groove ball bearing, and the upper end is used to install a tapered roller bearing.
[0009] Preferably, the sleeve has a cylindrical hole on the top, a hexagonal hole in the middle, and a through hole on the bottom. The cylindrical hole and the hexagonal hole are used to install the lower joint, and the through hole is rotatably matched with the rotating shaft.
[0010] Preferably, a first cavity cooperating with the horizontal tail shaft is opened in the upper end surface of the lower joint, and a first internal thread is provided on the inner wall of the first cavity, and the first internal thread cooperates with the lower end thread of the horizontal tail shaft; the lower end of the lower joint is a hexagonal prism, and the hexagonal prism is snap-fitted with the hexagonal hole in the middle of the sleeve.
[0011] Preferably, the positioning shaft is installed in the shaft sleeve, and the diameter of the upper end of the positioning shaft is larger than the inner diameter of the shaft sleeve; the lower end of the positioning shaft is provided with an inner hole which is hinged with the upper joint ball.
[0012] Preferably, the upper end of the upper joint is a spherical surface; the middle section of the upper joint is a hexagonal prism structure; the lower end of the upper joint is provided with a second cavity that cooperates with the upper end of the horizontal tail shaft, and the interior of the second cavity is provided with a second internal thread.
[0013] The rotating device for flame spraying zinc on the outer surface of the horizontal tail shaft of an aircraft of the present application, when the zinc spraying work is carried out, the power part cooperates with the rotating disk to drive the horizontal tail shaft to rotate, and at the same time, the two ends of the horizontal tail shaft are protected by the upper joint and the lower joint. The worker only needs to spray zinc on one side, which makes it easier to control the zinc spraying distance and ensure the uniformity of zinc spraying; at the same time, the worker does not need to move, which saves time and effort. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solution provided by the present application, the following is a brief introduction to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the present application.
[0015] Figure 1 This is a schematic diagram of the horizontal tail shaft structure of this application;
[0016] Figure 2 This is a schematic diagram of the overall structure of this application;
[0017] Figure 3 for Figure 2 Enlarged view of part A in the middle;
[0018] Figure 4 This is the main view of the frame structure of this application;
[0019] Figure 5 for Figure 4 Schematic diagram of the middle AA section;
[0020] Figure 6 This is a side view of the frame structure of this application;
[0021] Figure 7 This is a cross-sectional view of the rotating disk structure of this application;
[0022] Figure 8 This is a cross-sectional view of the bearing seat structure of this application;
[0023] Fig. 9 This is a schematic diagram of the joint structure under this application;
[0024] Fig.10 This is a schematic diagram of the positioning shaft structure for this application;
[0025] Fig.11 This is a schematic diagram of the joint structure in this application.
[0026] 1. Flat-bottomed fixed wheel; 2. Deep groove ball bearing; 3. Locking washer; 4. Hexagonal slot nut; 5. Split pin; 6. Adjusting pad; 7. Hexagonal bolt; 11. Flat-bottomed brake wheel; 12. Frame; 121. Frame; 122. Bushing; 123. Fixing bolt; 124. Mounting plate; 13. Rotating disk; 131. Sleeve; 132. Disc; 133. Rotating shaft; 14. Bearing seat; 141. Connecting plate; 142. Support seat; 15. Tapered roller bearing; 16. Lower joint; 17. Upper joint; 18. Positioning shaft. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] A rotating device for flame spraying zinc on the outer surface of a large horizontal tail shaft of an aircraft, the large horizontal tail shaft is Figure 1 As shown, both ends are externally threaded.
[0029] like Figure 2-3, including a frame 12, a rotating disk 13, an upper joint 17, a lower joint 16 and a positioning shaft 18. The frame 12 is a hollow frame structure and can move on the ground. The positioning shaft 18 and the rotating disk 13 are both arranged on the frame 12. The upper joint 17 and the lower joint 16 are respectively connected to the two ends of the horizontal tail shaft, and the upper joint 17 is connected to the positioning shaft 18, and the lower joint 16 is connected to the rotating disk 13. The rotating disk 13 can drive the horizontal tail shaft to rotate through the lower joint 16.
[0030] Combination Figure 4-Figure 6 The frame 12 is welded as a whole, including a frame 121, a sleeve 122, a fixing bolt 123 and a mounting plate 124. The frame 121 is welded by a square frame; a flat-bottomed fixed wheel 1 and a flat-bottomed brake wheel 11 are provided at the bottom of the frame 121, and the flat-bottomed fixed wheel 1 and the flat-bottomed brake wheel 11 are connected to the frame 121 by hexagonal nuts, spring washers, flat washers and hexagonal bolts 7. The sleeve 122 is a cylindrical structure, which is vertically welded at the middle position of the upper end of the frame 121 and can cooperate with the positioning shaft 18; the bottom of the frame 121 is a rectangular frame structure, and there are two sets of fixing bolts 123 installed on the rectangular frame structure, which are used for daily storage of the upper joint 17 and the lower joint 16, and can be fixed by screwing the upper joint 17 and the lower joint 16 on the fixing bolts 123 through threaded matching; the mounting plate 124 is welded on the four circumferential vertices of the rectangular frame structure.
[0031] Combination Figure 7 The rotating disk 13 includes a sleeve 131, a disk 132 and a rotating shaft 133. A rotating shaft hole is provided at the center of the frame 121, and a tapered roller bearing 15 and a deep groove ball bearing 2 are provided in the rotating shaft hole. The rotating shaft 133 is a stepped shaft, and the diameter of the rotating shaft 133 gradually decreases from the middle to both ends. The rotating shaft 133 is vertically inserted into the rotating shaft hole and connected to the inner rings of the tapered roller bearing 15 and the deep groove ball bearing 2. A hexagonal slot nut 4, a locking washer 3 and a split pin 5 are provided at the lower end of the rotating shaft 133 for locking.
[0032] Combination Figure 8 Preferably, a bearing seat 14 is arranged in the rotating shaft hole, and the bearing seat 14 includes a connecting plate 141 and a support seat 142. The connecting plate 141 and the support seat 142 are welded together, and the connecting plate 141 is welded to the middle position of the lower end of the frame 12. When welding, the center of the support seat 142 is coaxially arranged with the lower joint 16. The support seat 142 is a cylindrical structure. The lower end of the support seat 142 is used to install the deep groove ball bearing 2, and the upper end is used to install the tapered roller bearing 15. The middle section of the bearing seat 14 is a step hole for connecting the rotating shaft 133.
[0033] Preferably, an adjustment pad 6 is installed on the upper end surface of the deep groove ball bearing 2, and the thickness surface allows grinding to ensure that the contact between the deep groove ball bearing 2 and the rotating shaft 133 is tightly fitted.
[0034] The sleeve 131 is rotatably connected to the top of the rotating shaft 133. The top of the sleeve 131 is provided with a cylindrical hole, the middle is provided with a hexagonal hole, and the bottom is provided with a through hole. The cylindrical hole and the hexagonal hole are used to install the lower joint 16, and the through hole is rotatably matched with the rotating shaft 133. The disc 132 is fixedly connected to the maximum diameter position of the rotating shaft 133 and the disc 132 is fixedly connected to the sleeve 131. The sleeve 131 is driven to rotate by rotating the disc 132, and the sleeve 131 drives the lower joint 16 to rotate through the hexagonal hole, and then the lower joint 16 can drive the horizontal tail shaft to rotate.
[0035] Preferably, the outer surface of the disk 132 can be set as a gear, and then a power member, such as a motor, drives the disk 132 to rotate in a gear-driven manner, thereby driving the horizontal tail shaft to rotate.
[0036] Combination Fig. 9 The upper end surface of the lower joint 16 is provided with a first cavity that matches the horizontal tail shaft, and the inner wall of the first cavity is provided with a first internal thread that matches the thread at the lower end of the horizontal tail shaft. The lower end of the lower joint 16 is a hexagonal prism that is engaged with the hexagonal hole in the middle of the sleeve 131 to keep consistent during rotation. The lower joint 16 is used to protect the non-zinc-sprayed surface of the lower end of the horizontal tail shaft.
[0037] Combination Fig.10 The positioning shaft 18 is installed in the sleeve 122, and the upper end diameter of the positioning shaft 18 is larger than the inner diameter of the sleeve 122. The lower end of the positioning shaft 18 is provided with an inner hole for ball-jointed cooperation with the upper joint 17. Specifically, the positioning shaft 18 and the upper joint 17 are clearance-matched to ensure the stability of the horizontal tail shaft when rotating.
[0038] Combination Fig.11 The upper end of the upper joint 17 is a spherical surface; the middle section of the upper joint 17 is a hexagonal prism structure to facilitate threading; the lower end of the upper joint 17 is provided with a second cavity that cooperates with the upper end of the horizontal tail shaft, and the interior of the second cavity is provided with a second internal thread that cooperates with the upper end thread of the horizontal tail shaft. The upper joint 17 is used to protect the non-zinc-sprayed surface of the upper end of the horizontal tail shaft.
[0039] When zinc spraying is performed, the power part cooperates with the rotating disk 13 to drive the horizontal tail shaft to rotate, and at the same time, the upper joint 17 and the lower joint 16 are used to protect the two ends of the horizontal tail shaft. The worker can spray zinc on one side, which is relatively easy to control the zinc spraying distance and ensure the uniformity of zinc spraying; at the same time, the worker does not need to move, which saves time and effort.
[0040] As a specific implementation method, it also includes an operation step, which is:
[0041] Step 1: Tighten the two ends of the horizontal tail shaft with the lower joint 16 and the upper joint 17 through threads, and protect the surface that is not zinc-sprayed.
[0042] Step 2: Remove the positioning shaft 18, stand the horizontal tail shaft vertically, remove the lower joint 16, install the lower end of the lower joint 16 into the rotating disk 13, and then connect the positioning shaft 18 to the spherical surface of the upper joint 17 through the shaft sleeve 122.
[0043] Step 3: Turn the rotating disk 13, open the spray gun, and flame spray zinc on the horizontal tail shaft.
[0044] Step 4: After zinc spraying is completed, remove the positioning shaft 18, take the horizontal tail shaft to the workbench, and disassemble the lower joint 16 and the upper joint 17.
[0045] Finally, it should be noted that: the drawings of the embodiments disclosed in the present utility model only involve structures related to the embodiments disclosed in the present utility model, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;
[0046] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A rotating device for flame spraying zinc on the outer surface of an aircraft horizontal tail shaft, characterized in that: The vehicle comprises a frame (12), a rotating disk (13), an upper joint (17), a lower joint (16) and a positioning shaft (18); the frame (12) is a hollow frame structure; the positioning shaft (18) and the rotating disk (13) are both arranged on the frame (12); the upper joint (17) is connected to the positioning shaft (18); the lower joint (16) is connected to the rotating disk (13); the rotating disk (13) can drive the horizontal tail shaft to rotate through the lower joint (16); The vehicle frame (12) comprises a frame (121), a shaft sleeve (122), fixing bolts (123) and a mounting plate (124); a flat-bottom fixing wheel (1) and a flat-bottom brake wheel (11) are provided at the bottom of the frame (121); the flat-bottom fixing wheel (1) and the flat-bottom brake wheel (11) are connected to the frame (121) via hexagonal nuts, spring washers, flat washers and hexagonal bolts (7); the shaft sleeve (122) is vertically welded to the middle position of the upper end of the frame (121); the bottom of the frame (121) is a rectangular frame structure, and there are two sets of fixing bolts (123) installed on the rectangular frame structure for daily storage of the upper joint (17) and the lower joint (16); the mounting plate (124) is welded to the four vertices of the circumference of the rectangular frame structure; The rotating disk (13) comprises a sleeve (131), a disc (132) and a rotating shaft (133); a rotating shaft hole is provided at the center of the frame (121), a tapered roller bearing (15) and a deep groove ball bearing (2) are provided in the rotating shaft hole, the rotating shaft (133) is a stepped shaft, and the diameter of the rotating shaft (133) gradually decreases from the middle to both ends, the rotating shaft (133) is vertically inserted into the rotating shaft hole and connected to the inner rings of the tapered roller bearing (15) and the deep groove ball bearing (2); a hexagonal slot nut (4), a locking washer (3) and a cotter pin (5) are provided at the lower end of the rotating shaft (133) for locking; the sleeve (131) is rotatably connected to the top of the rotating shaft (133), the disc (132) is fixedly connected to the maximum diameter position of the rotating shaft (133), and the disc (132) is fixedly connected to the sleeve (131).
2. The rotating device for flame spraying zinc on the outer surface of the aircraft horizontal tail shaft as claimed in claim 1, characterized in that: A bearing seat (14) is arranged in the rotating shaft hole, and the bearing seat (14) comprises a connecting plate (141) and a supporting seat (142). The connecting plate (141) and the supporting seat (142) are welded together, and the connecting plate (141) is welded to the middle position of the lower end of the frame (12). During welding, the center of the supporting seat (142) is coaxially arranged with the lower joint (16). The supporting seat (142) is a cylindrical structure, and the lower end of the supporting seat (142) is used to install a deep groove ball bearing (2), and the upper end is used to install a tapered roller bearing (15).
3. The rotating device for flame spraying zinc on the outer surface of the aircraft horizontal tail shaft as claimed in claim 1, characterized in that: The sleeve (131) has a cylindrical surface on the top, a hexagonal hole in the middle, and a through hole on the bottom. The cylindrical surface and the hexagonal hole are used to install the lower joint (16), and the through hole is rotatably matched with the rotating shaft (133).
4. The rotating device for flame spraying zinc on the outer surface of the aircraft horizontal tail shaft as claimed in claim 3, characterized in that: A first cavity cooperating with the horizontal tail shaft is formed in the upper end surface of the lower joint (16), and a first internal thread is formed on the inner wall of the first cavity, and the first internal thread is cooperating with the thread at the lower end of the horizontal tail shaft; the lower end of the lower joint (16) is a hexagonal prism, and the hexagonal prism is engaged with the hexagonal hole in the middle of the sleeve (131).
5. The rotating device for flame spraying zinc on the outer surface of the aircraft horizontal tail shaft as claimed in claim 1, characterized in that: The positioning shaft (18) is installed in the shaft sleeve (122), and the upper end diameter of the positioning shaft (18) is larger than the inner diameter of the shaft sleeve (122); the lower end of the positioning shaft (18) is provided with an inner hole which is ball-hinged with the upper joint (17).
6. The rotating device for flame spraying zinc on the outer surface of the aircraft horizontal tail shaft as claimed in claim 5, characterized in that: The upper end of the upper joint (17) is a spherical surface; the middle section of the upper joint (17) is a hexagonal prism structure; the lower end of the upper joint (17) is provided with a second cavity that matches the upper end of the horizontal tail shaft, and the interior of the second cavity is provided with a second internal thread.