A clutch device for sliding door of large hangar
By designing an optimized hangar sliding door clutch device, the problem of insufficient power supply or inability to open or close smoothly in the case of motor failure in the prior art is solved, and smooth switching between motor drive and manual drive is achieved, reducing manpower The difficulty of pushing improves operational convenience, and the overall device is compact and suitable for sliding doors of large hangars.
Patent Information
- Application Number
- CN202411448687.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-17
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2044-10-17
AI Technical Summary
The existing hangar sliding door drive device cannot be opened or closed smoothly when the power supply is insufficient or the motor fails. It is laborious and inconvenient to operate manually, the structural design is not compact enough, and the space is too large.
A large-scale hangar sliding door clutch device is designed. By optimizing the switching mechanism between motor drive and manual drive, and using an exquisite clutch system and mechanical structure, it realizes smooth switching between motor drive and manual drive, reducing the power of manpower Difficulty, improve operational convenience.
It realizes smooth switching between motor drive and manual drive, reduces the difficulty of manpower push, improves operation convenience, and the overall device is compact in structure and takes up little space, which is suitable for sliding doors of various large-scale hangars.
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Figure CN118959464B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of hangar door drive systems, in particular to a clutch device for a large hangar sliding door. Background Art
[0002] In the modern aviation industry, hangars are important facilities for parking, maintenance and overhaul of aircraft. Due to the large size of aircraft, hangar doors usually need to be designed to be very large to facilitate aircraft entry and exit and maintenance operations. In order to meet this demand, the design of hangar sliding doors is particularly important. Traditional hangar sliding doors usually use a single drive method, such as motor drive or manual drive. However, this design has certain limitations: when the power supply is insufficient or the motor fails, the hangar door cannot be opened or closed smoothly; and when operated manually, due to the large size and weight of the door, it is very laborious and time-consuming to operate.
[0003] In order to improve the operating efficiency and reliability of hangar sliding doors, some new types of hangar sliding door drive devices have been developed in recent years. These devices can not only provide motor drive, but also switch to manual drive when necessary. However, there are still some problems with this type of drive device. For example, the clutch device of the drive system is complicated, the switching is not smooth enough, and the operation is not convenient enough; in addition, the structural design of the drive system is not compact enough, which easily leads to the overall device being too large and taking up too much space.
[0004] In view of the above problems, the present invention proposes a large hangar sliding door clutch device, which aims to provide a hangar sliding door drive device that can realize smooth switching between motor drive and manual drive, and has a compact structure and is easy to operate. The clutch device realizes smooth switching of power input through ingenious mechanical design, and flexibly switches between motor drive and manual drive states, ensuring the safety and reliability of operation. In addition, the overall structural design of the device is reasonable, compact, and occupies little space, which is suitable for the installation and use of various large hangar sliding doors. Summary of the invention
[0005] In view of the above-mentioned deficiencies in the prior art, an object of the present invention is to provide a clutch device with a sophisticated design, which can smoothly realize the switching between the motor drive mode and the manual drive mode. In addition, in the manual mode, it can reduce the operating difficulty and improve the operating convenience.
[0006] The technical solution adopted by the present invention to achieve the above-mentioned purpose is: a large hangar sliding door clutch device, including a door leaf frame, a clutch device, a motor drive device, and a manual drive device. The main structure of the hangar sliding door is provided with a door leaf frame, and the door leaf frame plays an overall supporting and fixing role of other components in the hangar sliding door. The bottom of the door leaf frame is fixedly connected with a mounting plate, and the bottom of the mounting plate is fixedly connected with a tensioning device and a roller bracket. The tensioning device is provided with a mounting platform, and the position of the mounting platform can be relatively moved by the tensioning device, thereby changing the distance between the clutch device and the transmission wheel on the roller shaft, and realizing the adjustment of the tension of the chain belt between the two. A clutch device is fixedly installed on one side of the bottom of the mounting platform, and the clutch device is used to switch the input of power, so as to switch between motor drive and human drive. A motor drive device is fixedly connected to the other side of the bottom of the mounting platform. When the motor is driven, it provides driving power for the opening and closing of the hangar sliding door. A roller shaft is rotatably connected to the roller bracket, and a transmission wheel is fixedly connected to the middle of the roller shaft. Both ends of the roller shaft are respectively fixedly connected to rolling wheels, and the relative movement of the hangar sliding door is achieved by the rolling of the rolling wheels. A manual drive device is provided in the door leaf frame above the mounting platform. When manual drive is performed, it provides driving power for the opening and closing of the hangar sliding door.
[0007] The clutch device includes a first driving wheel, a second driving wheel, a driven wheel, a clutch assembly, a side mounting plate, a support plate, a first rotating shaft, and a second rotating shaft. The side mounting plates are fixedly connected to the edges of the bottom of the mounting platform, and two groups of symmetrical support plates are fixedly connected to the mounting platform between the two groups of side mounting plates. A driven wheel is rotatably connected between the support plates. The driven wheel is connected to the transmission wheel through a chain belt. The first rotating shaft and the second rotating shaft are rotatably connected to the two sides of the driven wheel, respectively. The other ends of the first rotating shaft and the second rotating shaft are rotatably connected to the corresponding side mounting plates through bearings, and the first rotating shaft is fixedly connected to the first driving wheel. The first driving wheel is connected to the motor driving device through a chain belt, the second rotating shaft is fixedly connected to the second driving wheel, the second driving wheel is connected to the manual driving device through a chain belt, a clutch assembly is arranged between the first driving wheel and the driven wheel, and between the second driving wheel and the driven wheel, and an adjusting device is fixedly connected to the clutch assembly. When in use, the clutch assembly can be regulated by the adjusting device, and the first driving wheel and the driven wheel can be connected to each other by power through the clutch assembly, and the second driving wheel and the driven wheel can be disconnected by power at the same time, or the second driving wheel and the driven wheel can be connected to each other by power, and the power of the first driving wheel and the driven wheel can be disconnected.
[0008] The tensioning device includes a slide rail, a first threaded rod, a first rotating shaft fixing frame, a worm wheel, a worm, and a second rotating shaft fixing frame. The bottom of the mounting plate is fixedly connected with two sets of slide rails parallel to each other. The top of the mounting platform is provided with a matching slide groove. The slide rail is slidably connected in the slide groove. A threaded hole runs through the middle of the mounting platform. The first threaded rod is threadedly connected in the threaded hole. The two ends of the first threaded rod are respectively passed through the threaded holes and are rotatably connected to the first rotating shaft fixing frame. The first rotating shaft fixing frame is fixedly connected to the bottom of the mounting plate. One end of the first threaded rod passes through the first rotating shaft fixing frame and is fixedly connected to the worm gear, the worm gear is meshed with the worm, one end of the worm is fixedly connected to a third rotating shaft, a plurality of second rotating shaft fixing frames are rotatably connected to the third rotating shaft, the second rotating shaft fixing frames are all fixedly connected to the bottom of the mounting plate, the other end of the third rotating shaft is fixedly connected to a first rotating operating block, the first rotating operating block is rotatably connected to the outer surface of the hangar sliding door, and a hexagonal groove is opened at one end of the outer side. When in use, a hexagonal wrench is used to perform corresponding operations.
[0009] The motor drive device includes a drive motor and a first drive sprocket. The drive motor is fixedly connected to one side of the lower end of the mounting platform. The first drive sprocket is fixedly connected to the rotating shaft of the drive motor. The first drive sprocket is connected to the first driving wheel through a chain belt.
[0010] The manual driving device comprises a screw sleeve, a first sprocket, a second threaded rod, a rotating block, a seat ring, a steel ball assembly, a movable block, a first sliding guide column, a first sliding sleeve, a second driving sprocket, a rotating rod, and a handwheel, wherein a plurality of rotating shaft frames are fixedly connected to the middle portion of the door leaf frame, wherein the screw sleeve and the first sliding sleeve are respectively rotatably connected to the corresponding rotating shaft frames, one end of the screw sleeve is fixedly connected to the first sprocket, and the first sprocket is transmission-connected to the adjusting device. The other end of the screw sleeve is provided with a stud hole extending inwardly, and the second threaded rod is threadedly connected in the stud hole, and one end of the second threaded rod is fixedly connected to the rotating block after passing through the stud hole, and the movable block is provided with a rotating chamber, and the rotating block is rotatably connected in the rotating chamber, and the relative inner walls of the rotating chamber are respectively fixedly connected with seat rings, and ball grooves are respectively provided between the seat ring and the rotating block, and the steel ball assemblies are respectively rotatably connected The cam is connected with the second drive gear of the driving member, and the second drive gear is connected with the second drive gear of the driving member, and the cam is connected with the second drive gear of the driving member, and the cam is connected with the second drive gear of the driving member, and the cam is connected with the second drive gear of the driving member.
[0011] The outer wall of the hangar sliding door is provided with a storage groove, the hand wheel is movably connected in the storage groove, a slide plate groove is opened on one side of the inner wall of the groove opening of the storage groove, a cover plate is slidably connected in the slide plate groove, and slide groove frames are slidably connected on both sides of the cover plate, and the slide groove frames are embedded and connected at the edges of both sides of the groove opening of the storage groove.
[0012] A handle is fixedly connected to the cover plate.
[0013] The clutch assembly includes an outer groove ring, a spline shaft, a spline sleeve, a sliding sleeve, a limit ring, a second sliding guide column, a second outer rack, and a second sliding sleeve. The two sides of the driven wheel are respectively fixedly connected with the outer groove ring, and the outer groove ring is rotatably connected to the support plate through a bearing. The separated sides of the outer groove ring are respectively fixedly connected to the spline shaft, and the spline shaft is slidably connected in the spline sleeve. The inner wall of the spline sleeve is adapted to the spline teeth of the outer wall of the spline shaft. The outer peripheral side walls at both ends of the spline sleeve are respectively fixedly connected with limit rings, and the limit rings A sliding sleeve is sleeved on the spline sleeve between the two wheels, the sliding sleeve and the spline sleeve are connected for relative rotation, the outer wall of the sliding sleeve is connected to the adjusting device, one end of the spline sleeve is fixedly connected to a second sliding guide column, the first driving wheel and the second driving wheel are respectively fixedly connected on opposite sides thereof, the second sliding guide columns are respectively slidably connected in the second sliding sleeve, a second internal tooth groove is provided in the sliding sleeve opening of the second sliding sleeve, and a second external rack corresponding to and meshing with the spline sleeve is fixedly connected to the second sliding guide column on one side of the spline sleeve.
[0014] The second sliding guide column, the spline sleeve and the central axis of the spline shaft are all provided with a rotating shaft hole, the first rotating shaft and the second rotating shaft are respectively rotatably connected in the rotating shaft hole, and one end of the first rotating shaft and the second rotating shaft respectively pass through the rotating shaft hole and are rotatably connected in the outer groove ring.
[0015] The adjusting device comprises a rectangular frame, a mounting block, a side guide plate, a sliding guide block, a driving block, a third rotating shaft fixing frame, a linkage sprocket, a second rotating operation block, and a second sprocket. The sliding sleeve is fixedly connected in the rectangular frame through the mounting block. Two groups of rectangular frames are arranged outside each group of the sliding sleeves. The rectangular frames on both sides of each group of the sliding sleeves are respectively fixedly connected with sliding guide blocks. The side mounting plates and the supporting plates are respectively fixedly connected with side guide plates. Guide grooves are respectively provided on the side guide plates. The sliding guide blocks are respectively slidably connected in the corresponding guide grooves. The sliding guide blocks outside the guide grooves are respectively fixedly connected with driving blocks. A third threaded rod passes through and is threadedly connected to the driving block on the same side of the guide plate, and the third shaft fixing frame is respectively fixedly connected to both sides of the end surface of the side guide plate, and the third threaded rod is rotatably connected to the third shaft fixing frame respectively, and both ends of the third threaded rod are respectively fixedly connected to the linkage sprocket, and the linkage sprockets are connected relative to each other through a chain belt transmission. One end of one group of the third threaded rods is fixedly connected to the second sprocket, and the second sprocket is connected to the first sprocket through a chain belt transmission, and one end of the other group of the third threaded rods is fixedly connected to the second rotation operating block, and the structure of the second rotation operating block is the same as that of the first rotation operating block.
[0016] Beneficial effects of the invention: The invention provides a clutch device for a large hangar sliding door, which solves the problem of laborious operation in manual mode in the prior art by optimizing the switching mechanism between motor drive and manual drive. The device is designed with a sophisticated clutch system, which makes the switching between motor drive and manual drive modes smoother and more efficient through the transmission method of the chain pulley. Specifically, the clutch device of the invention can directly drive the hangar sliding door smoothly through the motor drive in the motor drive mode; and when switching to the manual drive mode, the difficulty of manually pushing the sliding door is reduced through the optimized mechanical structure, which significantly improves the convenience of operation.
[0017] In addition, the tensioning device and clutch assembly of the present invention are reasonably designed and compact in structure, which effectively reduces the volume of the overall device and saves space in the hangar. At the same time, the device is easy to operate and has high reliability. It can adapt to various complex usage environments and ensure the stable operation of the hangar sliding door in different driving modes. These improvements enable the present invention to improve the operating efficiency of the hangar sliding door while also enhancing the applicability and durability of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the installation position structure of the clutch device of the present invention in the door frame;
[0019] Figure 2 It is a schematic structural diagram of the clutch device of the present invention;
[0020] Figure 3 This is a schematic diagram of the bottom connection structure of the mounting plate of the present invention;
[0021] Figure 4 for Figure 3 Schematic diagram of the detailed structure of the A2 part;
[0022] Figure 5 It is a schematic diagram of the installation structure of the manual drive device of the present invention in the door leaf frame;
[0023] Figure 6 for Figure 5 Schematic diagram of the detailed structure of the A1 part;
[0024] Figure 7 This is a schematic diagram of the disassembled structure of the clutch assembly of the present invention;
[0025] Figure 8 for Figure 7 Schematic diagram of the detailed structure of the A3 part;
[0026] Fig. 9 It is a schematic diagram of the structure of the regulating device of the present invention.
[0027] In the figure: 1 door frame, 2 clutch device, 3 motor drive device, 4 manual drive device, 5 mounting plate, 6 tensioning device, 7 roller bracket, 8 mounting table, 9 roller shaft, 10 transmission wheel, 11 rolling wheel, 101 first driving wheel, 102 second driving wheel, 103 driven wheel, 104 clutch assembly, 105 side mounting plate, 106 support plate, 107 first rotating shaft, 108 second rotating shaft, 109 adjustment device, 201 slide rail, 202 first threaded rod, 203 first rotating shaft fixing frame, 204 worm wheel, 205 worm, 206 second rotating shaft fixing frame, 207 third rotating shaft, 208 first rotating operation block, 301 driving motor, 302 first driving sprocket, 401 screw sleeve, 402 first sprocket, 403 second threaded rod, 404 rotating block, 405 seat ring, 406 steel ball assembly, 407 movable block, 408 first rotating block, 409 adjusting device, 500 driving motor, 501 first driving sprocket, 502 first driving sprocket, 503 second threaded rod, 504 rotating block, 505 seat ring, 506 steel ball assembly, 507 movable block, 508 first rotating block, 509 adjusting device, 501 driving motor ... a sliding guide column, 409 a first outer rack, 410 a first sliding sleeve, 411 a second driving sprocket, 412 a rotating rod, 413 a hand wheel, 414 a rotating shaft frame, 415 a rotating chamber, 416 a limiting plate, 417 a guide block, 418 a guide groove, 419 a first inner tooth groove, 420 a receiving groove, 421 a slide groove, 422 a cover plate, 423 a slide groove frame, 424 a handle, 501 an outer groove ring, 502 a spline shaft, 503 a spline Key sleeve, 504 sliding sleeve, 505 limiting ring, 506 second sliding guide column, 507 second outer rack, 508 second sliding sleeve, 509 second inner tooth groove, 601 rectangular frame, 602 mounting block, 603 side guide plate, 604 sliding guide block, 605 driving block, 606 third rotating shaft fixing frame, 607 linkage sprocket, 608 second rotating operation block, 609 second sprocket, 610 guide groove mouth, 611 third threaded rod. DETAILED DESCRIPTION
[0028] 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 described embodiments 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 creative work are within the scope of protection of the present invention.
[0029] See also Figure 1-Figure 9A clutch device for a large hangar sliding door comprises a door leaf frame 1, a clutch device 2, a motor drive device 3, and a manual drive device 4. The main structure of the hangar sliding door is provided with a door leaf frame 1, and the door leaf frame 1 plays an integral supporting and fixing role in the hangar sliding door. A mounting plate 5 is fixedly connected to the bottom of the door leaf frame 1, and a tensioning device 6 and a roller bracket 7 are fixedly connected to the bottom of the mounting plate 5. A mounting platform 8 is provided on the tensioning device 6. The position of the mounting platform 8 can be relatively moved by the tensioning device 6, thereby changing the distance between the clutch device 2 and the transmission wheel 10 on the roller shaft 9, so as to adjust the tension of the chain belt between the two. The bottom of the mounting platform 8 A clutch device 2 is fixedly installed on one side, and the clutch device 2 is used to switch the input of power, so as to switch between motor drive and human drive. A motor drive device 3 is fixedly connected to the other side of the bottom of the mounting platform 8. When the motor is driven, it provides driving power for the opening and closing of the hangar sliding door. A roller shaft 9 is rotatably connected to the roller bracket 7. A transmission wheel 10 is fixedly connected to the middle of the roller shaft 9. Both ends of the roller shaft 9 are respectively fixedly connected to rolling wheels 11. The relative movement of the hangar sliding door is achieved by the rolling of the rolling wheels 11. A manual drive device 4 is arranged in the door leaf frame 1 above the mounting platform 8. When manually driven, it provides driving power for the opening and closing of the hangar sliding door.
[0030] See also Figure 2The clutch device 2 includes a first driving wheel 101, a second driving wheel 102, a driven wheel 103, a clutch assembly 104, a side mounting plate 105, a support plate 106, a first rotating shaft 107, and a second rotating shaft 108. The side mounting plates 105 are fixedly connected to the edges of the bottom of the mounting platform 8 on both sides, and two groups of symmetrical support plates 106 are fixedly connected to the mounting platform 8 between the two groups of side mounting plates 105. The driven wheel 103 is rotatably connected between the support plates 106. The driven wheel 103 is connected to the transmission wheel 10 through a chain belt. The first rotating shaft 107 and the second rotating shaft 108 are rotatably connected to the two sides of the driven wheel 103. The other ends of the first rotating shaft 107 and the second rotating shaft 108 are rotatably connected to the corresponding side mounting plates 105 through bearings. The first driving wheel 101 is fixedly connected to the first rotating shaft 107. The first driving wheel 101 is connected to the motor drive device 3 through a chain belt, the second rotating shaft 108 is fixedly connected to the second driving wheel 102, the second driving wheel 102 is connected to the manual driving device 4 through a chain belt, a clutch assembly 104 is provided between the first driving wheel 101 and the driven wheel 103, and between the second driving wheel 102 and the driven wheel 103, and an adjusting device 109 is fixedly connected to the clutch assembly 104. When in use, the clutch assembly 104 can be regulated by the adjusting device 109, and the first driving wheel 101 and the driven wheel 103 can be connected to each other by power through the clutch assembly 104, and the second driving wheel 102 and the driven wheel 103 can be disconnected from each other by power, or the second driving wheel 102 and the driven wheel 103 can be connected to each other by power, and the first driving wheel 101 and the driven wheel 103 can be disconnected by power.
[0031] In the present invention, the transmission wheel 10 , the first driving wheel 101 , the second driving wheel 102 , and the driven wheel 103 are all chain belt wheels, and can be driven by the chain belt.
[0032] See also Figure 3 and Figure 4In one embodiment, the tensioning device 6 includes a slide rail 201, a first threaded rod 202, a first rotating shaft fixing frame 203, a worm wheel 204, a worm 205, and a second rotating shaft fixing frame 206. Two sets of parallel slide rails 201 are fixedly connected to the bottom of the mounting plate 5. A matching slide groove is provided on the top of the mounting platform 8. The slide rail 201 is slidably connected in the slide groove. A threaded hole is penetrated in the middle of the mounting platform 8. The first threaded rod 202 is threadedly connected in the threaded hole. Both ends of the first threaded rod 202 pass through the threaded holes and are rotatably connected to the first rotating shaft fixing frame 203. The first rotating shaft fixing frame 203 is fixedly connected to the bottom of the mounting plate 5. One end of the first threaded rod 202 passes through the first rotating shaft fixing frame 203 and is fixedly connected to the worm wheel 204. The worm wheel 204 is meshed with the worm 205. One end of the worm 205 is fixedly connected to the third rotating shaft 207. A plurality of second rotating shaft fixing frames 206 are rotatably connected to the third rotating shaft 207, and the second rotating shaft fixing frames 206 are all fixedly connected to the bottom of the mounting plate 5. The other end of the third rotating shaft 207 is fixedly connected to the first rotating operation block 208. The first rotating operation block 208 is rotatably connected to the outer surface of the hangar sliding door, and a hexagonal groove is provided at one end of the outer side. When in use, a hexagonal wrench is used to perform corresponding operations, and the hexagonal wrench drives the first rotating operation block 208 to rotate, and the first rotating operation block 208 drives the third rotating shaft 207 to rotate, and the third rotating shaft 207 drives the worm 205 to rotate, and the worm 205 drives the worm wheel 204 to rotate, and the worm wheel 204 drives the first threaded rod 202 to rotate, and the first threaded rod 202 drives the mounting platform 8 to slide along the slide rail 201 through a threaded connection, thereby adjusting the distance between the driven wheel 103 and the transmission wheel 10 on the mounting platform 8.
[0033] In the present invention, when the tensioning device 6 is initially designed and the tension of the chain belt between the transmission wheel 10 and the clutch device 2 is adjusted, if its displacement distance is relatively small, then it will have little effect on the tension of the chain belt on the second drive sprocket 411 and the first sprocket 402 directly above the mounting platform 8. If the displacement distance of the mounting platform 8 has a greater impact on the chain belt on the first sprocket 402 or the second drive sprocket 411, it is necessary to install a tensioner in the door frame 1 and lengthen the length of the chain belt to eliminate the impact.
[0034] See also Figure 3In one embodiment, the motor drive device 3 includes a drive motor 301 and a first drive sprocket 302. The drive motor 301 is fixedly connected to one side of the lower end of the mounting platform 8. The first drive sprocket 302 is fixedly connected to the rotating shaft of the drive motor 301. The first drive sprocket 302 is transmission-connected to the first driving wheel 101 through a chain belt. When in use, the drive motor 301 drives the first drive sprocket 302 to rotate after being energized. The first drive sprocket 302 drives the first driving wheel 101 to rotate through the chain belt. The first driving wheel 101 transmits power to the transmission wheel 10 through the clutch assembly 104 and the driven wheel 103, and drives the rolling wheel 11 to rotate through the transmission wheel 10, thereby driving the hangar sliding door to open and close.
[0035] See also Figure 5 and Figure 6In one embodiment, the manual drive device 4 includes a screw sleeve 401, a first sprocket 402, a second threaded rod 403, a rotating block 404, a seat ring 405, a steel ball assembly 406, a movable block 407, a first sliding guide column 408, a first sliding sleeve 410, a second driving sprocket 411, a rotating rod 412, and a handwheel 413. A plurality of rotating shaft frames 414 are fixedly connected to the middle part of the door leaf frame 1, wherein the screw sleeve 401 and the first sliding sleeve 410 are respectively rotatably connected to the corresponding rotating shaft frames 414, one end of the screw sleeve 401 is fixedly connected to the first sprocket 402, and the first sprocket 402 is transmission-connected to the adjusting device 109, and the other end of the screw sleeve 401 is provided with a stud hole extending inwardly, and the stud hole is threadedly connected with a second thread. Rod 403, one end of the second threaded rod 403 passes through the stud hole and is fixedly connected to the rotating block 404, a rotating chamber 415 is provided in the movable block 407, the rotating block 404 is rotatably connected in the rotating chamber 415, the relative inner walls of the rotating chamber 415 are respectively fixedly connected with seat rings 405, bead grooves are respectively provided between the seat rings 405 and the rotating block 404, the steel ball assembly 406 is respectively rotatably connected between the relative bead grooves, the steel ball assembly 406 includes a ball and a bead sleeve, the balls are respectively rotatably connected in the bead sleeve, a plurality of limit plates 416 are fixedly connected to the second threaded rod 403 on one side of the movable block 407, the other end of the limit plate 416 is fixedly connected to a guide block 417, the guide blocks 417 are respectively slidably connected in the guide groove rails 418, the guide grooves The rail 418 is fixedly connected in the door frame 1, and one end of the movable block 407 is fixedly connected with a first sliding guide column 408, and the first sliding guide column 408 is slidably connected in the first sliding sleeve 410. A first internal tooth groove 419 is arranged in the sliding sleeve opening of the first sliding sleeve 410, and a first external rack 409 that can mesh with it is arranged on the first sliding guide column 408 on one side of the movable block 407. One end of the first sliding sleeve 410 is fixedly connected to the second driving sprocket 411, and the second driving sprocket 411 is transmission-connected to the second driving wheel 102 through a chain belt. One end of the first sliding guide column 408 is fixedly connected with a rotating rod 412, and the rotating rod 412 passes through the first sliding sleeve 410 and the second driving sprocket 411 in sequence and is fixedly connected to the hand wheel 413. When in use, first pass The clutch device 2 is switched and adjusted by the adjustment device 109, so that the motor drive state is switched to the manual drive state. During the switching process, the adjustment device 109 drives the first sprocket 402 to rotate at the same time, and the first sprocket 402 drives the screw sleeve 401 to rotate. The screw sleeve 401 drives the second threaded rod 403 to move to the outside of the screw sleeve 401 through a threaded connection. Since one end of the second threaded rod 403 is restricted by the limit plate 416, the guide block 417, and the guide groove 418, the second threaded rod 403 cannot rotate and can only slide in the direction of the guide groove 418, thereby pushing the rotating block 404 to move in the direction of the first sliding sleeve 410, and the rotating block 404 drives the movable block 407 to move in the direction of the first sliding sleeve 410. In this process,The first sliding guide column 408 slides into the first sliding sleeve 410 until the first outer rack 409 is meshed with the first inner tooth groove 419 in the sliding sleeve opening. At the same time, the first sliding guide column 408 pushes the hand wheel 413 to move outward through the rotating rod 412, so that the hand wheel 413 moves outward from the storage groove 420, which is convenient for the operator to rotate the hand wheel 413. At this time, the hand wheel 413 is rotated, and the hand wheel 413 drives the rotating rod 412 to rotate, and the rotating rod 412 drives the first sliding guide column 408 to rotate, and the first sliding guide column 408 drives the movable block 407 and The first outer rack 409 rotates, and at this time, the movable block 407 and the rotating block 404 rotate relative to each other, and at the same time, the second driving sprocket 411 is driven to rotate through the relative meshing action of the first outer rack 409 and the first inner tooth groove 419, thereby driving the second driving wheel 102 to rotate through the second driving sprocket 411, and the second driving wheel 102 drives the driven wheel 103 to rotate through the clutch assembly 104, and the driven wheel 103 drives the transmission wheel 10 to rotate, and the rolling wheel 11 is driven to rotate through the transmission wheel 10, thereby driving the hangar sliding door to open and close.
[0036] See also Figure 5 In one embodiment, a storage slot 420 is provided on the outer wall of the hangar sliding door, a hand wheel 413 is movably connected in the storage slot 420, a slide slot 421 is provided on one side of the inner wall of the slot opening of the storage slot 420, a cover plate 422 is slidably connected in the slide slot 421, a slide slot frame 423 is slidably connected on both sides of the cover plate 422, the slide slot frame 423 is engaged and connected at the edges of both sides of the slot opening of the storage slot 420, a handle 424 is fixedly connected on the cover plate 422, and when it is necessary to switch to the manual drive state, firstly, the handle 424 is used to open the cover plate 422. 24 pushes the cover plate 422 to move, so that the cover plate 422 slides into the slide plate groove 421, thereby exposing the storage groove 420 to the outside, facilitating the hand wheel 413 to move outward from the storage groove 420, and because the position state of the hand wheel 413 is linked with the adjustment device 109, when the hand wheel 413 is outside the storage groove 420, the position state of the clutch device 2 must be a manual drive state, on the contrary, when the hand wheel 413 is inside the storage groove 420, the position state of the clutch device 2 must be a motor drive state.
[0037] See also Figure 7 and Figure 8In one embodiment, the clutch assembly 104 includes an outer groove ring 501, a spline shaft 502, a spline sleeve 503, a sliding sleeve 504, a limit ring 505, a second sliding guide column 506, a second outer rack 507, and a second sliding sleeve 508. The two sides of the driven wheel 103 are respectively fixedly connected with the outer groove ring 501, the outer groove ring 501 is rotatably connected to the support plate 106 through a bearing, and the separated sides of the outer groove ring 501 are respectively fixedly connected to the spline shaft 502, the spline shaft 502 is slidably connected in the spline sleeve 503, the inner wall of the spline sleeve 503 is adapted to the spline teeth of the outer wall of the spline shaft 502, and the outer peripheral side walls at both ends of the spline sleeve 503 are respectively fixedly connected with the limit ring 5 05, a sliding sleeve 504 is sleeved on the spline sleeve 503 between the limit rings 505, the sliding sleeve 504 and the spline sleeve 503 are relatively rotatably connected, the outer wall of the sliding sleeve 504 is connected to the adjustment device 109, one end of the spline sleeve 503 is fixedly connected to a second sliding guide column 506, the first driving wheel 101 and the second driving wheel 102 are respectively fixedly connected on the opposite side thereof, the second sliding guide column 506 is respectively slidably connected in the second sliding sleeve 508, a second internal tooth groove 509 is provided in the sliding sleeve opening of the second sliding sleeve 508, and a second external rack 507 corresponding to and meshing with the second sliding guide column 506 on one side of the spline sleeve 503 is fixedly connected;The second sliding guide column 506, the spline sleeve 503, and the central axis of the spline shaft 502 are all provided with a shaft hole, and the first rotating shaft 107 and the second rotating shaft 108 are respectively rotatably connected in the shaft hole, and one end of the first rotating shaft 107 and the second rotating shaft 108 respectively passes through the shaft hole and is rotatably connected in the outer groove ring 501. When in use, the sliding sleeves 504 on both sides of the driven wheel 103 are connected to the adjustment device 109, and the sliding sleeves 504 are rotatably connected to the spline sleeve 503, so when the switching state operation is performed The adjusting device 109 will drive the two sets of sliding sleeves 504 and the spline sleeve 503 to move simultaneously in the direction of the first driving wheel 101 or the second driving wheel 102. Taking the manual drive state as an example, when switching, the adjusting device 109 drives the two sets of sliding sleeves 504 and the spline sleeve 503 to move toward the second driving wheel 102. At this time, the spline sleeve 503 located on the side of the first driving wheel 101 moves toward the driven wheel 103, and the spline shaft 502 connected to the spline sleeve 503 is received inside the spline sleeve 503. The other end of 503 drives the second sliding guide column 506 to slide outward from the second sliding sleeve 508, and the second outer rack 507 disengages from the second inner tooth groove 509, so that the power between the first driving wheel 101 and the driven wheel 103 is disconnected, and the spline shaft 502 in the spline sleeve 503 on one side of the second driving wheel 102 slides outward, and at the same time pushes the second sliding guide column 506 to slide into the second sliding sleeve 508 until the second outer rack 507 meshes with the second inner tooth groove 509, thereby realizing the second driving wheel 102 and In the present invention, the second driving wheel 102 starts to connect with the driven wheel 103 only after the power connection between the first driving wheel 101 and the driven wheel 103 is completely disconnected, that is, the second outer rack 507 located on one side of the first driving wheel 101 completely disengages from the second inner tooth groove 509, and the second outer rack 507 located on one side of the second driving wheel 102 starts to mesh with the second inner tooth groove 509, so as to avoid accidents caused by the sudden power-on of the motor during the state switching process. ;
[0038] See also Fig. 9In one embodiment, the adjusting device 109 includes a rectangular frame 601, a mounting block 602, a side guide plate 603, a sliding guide block 604, a driving block 605, a third rotating shaft fixing frame 606, a linkage sprocket 607, a second rotating operation block 608, and a second sprocket 609. The sliding sleeve 504 is fixedly connected to the rectangular frame 601 through the mounting block 602. Two groups of rectangular frames 601 are arranged outside each group of sliding sleeves 504. The rectangular frames 601 on both sides of each group of sliding sleeves 504 are respectively fixedly connected to the sliding guide blocks 604. The side mounting plates 105 and the support plates 106 are respectively fixedly connected to the side guide plates 60 3. The side guide plates 603 are respectively provided with guide slots 610, and the slide guide blocks 604 are respectively slidably connected in the corresponding guide slots 610. The slide guide blocks 604 outside the guide slots 610 are respectively fixedly connected with drive blocks 605. The drive blocks 605 on the same side of the side guide plates 603 are penetrated and threadedly connected with third threaded rods 611. The end surfaces of the side guide plates 603 are respectively fixedly connected with third rotating shaft fixing frames 606. The third threaded rods 611 are respectively rotatably connected to the third rotating shaft fixing frames 606. The two ends of the third threaded rods 611 are respectively fixedly connected with linkage sprockets 607. The linkage sprockets 607 are connected to each other through the third threaded rods 611. The second sprocket 609 is connected to the first sprocket 402 through a chain belt transmission, and one end of one group of third threaded rods 611 is fixedly connected to the second sprocket 609, and the second sprocket 609 is connected to the first sprocket 402 through a chain belt transmission, and one end of another group of third threaded rods 611 is fixedly connected to the second rotating operation block 608, and the structure of the second rotating operation block 608 is the same as the first rotating operation block 208. When the state switching operation is performed, the second rotating operation block 608 is first rotated by a hexagonal wrench, and the second rotating operation block 608 directly drives one group of third threaded rods 611 to rotate, and the other group of third threaded rods 611 is realized through the linkage sprocket 607 and the chain belt. 11 rotate synchronously, the two groups of third threaded rods 611 drive the driving block 605 to move relative to each other through the threads, the driving block 605 drives the sliding guide block 604 to slide along the sliding groove, the sliding guide block 604 drives the rectangular frame 601 to move, and the rectangular frame 601 drives the sliding sleeve 504 to move in one direction, thereby driving the clutch assembly 104 to switch the state. During this process, the third threaded rod 611 will drive the second sprocket 609 to rotate, and the second sprocket 609 drives the first sprocket 402 to rotate through the chain belt, thereby realizing the handwheel 413 to move to the outside of the storage slot 420 or to the inside of the storage slot 420.
[0039] The working principle of the present invention is:
[0040] Under normal circumstances, the hangar sliding door is generally in the motor-driven state. It is switched to the manual-driven state only when the drive motor 301 fails or the drive motor 301 is powered off. The specific steps are as follows:
[0041] 1. Motor driving state: start the motor driving device 3, at this time, the first driving wheel 101 in the clutch device 2 is connected to the driven wheel 103 through the clutch assembly 104, and the clutch assembly 104 between the second driving wheel 102 and the driven wheel 103 is in a disconnected state. At this time, the power supply of the driving motor 301 is turned on through the external switch, and the driving motor 301 drives the first driving sprocket 302 to rotate, and the first driving sprocket 302 drives the first driving wheel 101 to rotate through the chain belt, and the first driving wheel 101 drives the driven wheel 103 to rotate through the clutch assembly 104, and the driven wheel 103 drives the transmission wheel 10 to rotate through the chain belt, and the transmission wheel 10 drives the rolling wheels 11 at both ends to rotate through the roller shaft 9, thereby driving the hangar sliding door to achieve displacement;
[0042] 2. Switching to the manual drive state: When it is necessary to switch to the manual drive state, first slide the cover plate 422 on the storage slot 420 into the slide slot 421 through the handle 424, and then rotate the second rotation operation block 608 through the hexagonal wrench. The second rotation operation block 608 drives the two sets of third threaded rods 611 to rotate synchronously, and the third threaded rods 611 drive the driving block 605 and the sliding guide block 604 to move toward the second driving wheel 102, thereby driving the two sets of sliding sleeves 504 and the spline sleeve 503 to move toward the second driving wheel 102 through the rectangular frame 601, so that the first driving wheel 102 is rotated synchronously. The clutch assembly 104 between the driving wheel 101 and the driven wheel 103 is disconnected, and the clutch assembly 104 between the second driving wheel 102 and the driven wheel 103 is connected by power. At the same time, the second sprocket 609 drives the first sprocket 402 to rotate, and the first sprocket 402 drives the screw sleeve 401 to rotate. The screw sleeve 401 pushes the rotating block 404, the movable block 407 and the first sliding guide rod to move toward the first sliding sleeve 410 through the second threaded rod 403, so that the first outer rack 409 is meshed with the first inner tooth groove 419. At the same time, the first sliding guide rod pushes the rotating rod 412 and the hand wheel 413 to move outward;
[0043] 3. Manual drive state: The second drive sprocket 411 can be driven to rotate by turning the hand wheel 413, the second drive sprocket 411 drives the second driving wheel 102 to rotate through the chain belt, the second driving wheel 102 drives the driven wheel 103 to rotate through the clutch assembly 104, the driven wheel 103 drives the transmission wheel 10 to rotate through the chain belt, the transmission wheel 10 drives the rolling wheels 11 at both ends to rotate through the roller shaft 9, thereby driving the hangar sliding door to achieve displacement;
[0044] Through the above steps, the present invention can achieve smooth switching of the hangar sliding door between the motor-driven and manual-driven states, ensuring the safety and reliability of the operation.
[0045] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and range of equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.
[0046] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A large hangar sliding door clutch device, comprising a door leaf frame (1), a clutch device (2), a motor drive device (3), and a manual drive device (4), characterized in that: A door leaf frame (1) is provided in the main structure of the hangar sliding door, the bottom of the door leaf frame (1) is fixedly connected to a mounting plate (5), the bottom of the mounting plate (5) is fixedly connected to a tensioning device (6) and a roller bracket (7), a mounting platform (8) is provided on the tensioning device (6), a clutch device (2) is fixedly installed on one side of the bottom of the mounting platform (8), a motor drive device (3) is fixedly connected to the other side of the bottom of the mounting platform (8), a roller shaft (9) is rotatably connected to the roller bracket (7), a transmission wheel (10) is fixedly connected to the middle of the roller shaft (9), and rolling wheels (11) are respectively fixedly connected to both ends of the roller shaft (9), and a manual drive device (4) is provided in the door leaf frame (1) located above the mounting platform (8); The clutch device (2) comprises a first driving wheel (101), a second driving wheel (102), a driven wheel (103), a clutch assembly (104), a side mounting plate (105), a support plate (106), a first rotating shaft (107), and a second rotating shaft (108); the side mounting plates (105) are fixedly connected to the edges of the bottom of the mounting platform (8) on both sides; two groups of symmetrical supporting plates (106) are fixedly connected to the mounting platform (8) between the two groups of side mounting plates (105); a driven wheel (103) is rotatably connected between the supporting plates (106); the driven wheel (103) is transmission-connected to the driving wheel (10) via a chain belt; the first rotating shaft (107) and the second rotating shaft (108) are rotatably connected to the two sides of the driven wheel (103) The other ends of the first rotating shaft (107) and the second rotating shaft (108) are rotatably connected to the corresponding side mounting plates (105) via bearings, the first rotating shaft (107) is fixedly connected to a first driving wheel (101), the first driving wheel (101) is transmission-connected to a motor drive device (3) via a chain belt, the second rotating shaft (108) is fixedly connected to a second driving wheel (102), the second driving wheel (102) is transmission-connected to a manual drive device (4) via a chain belt, a clutch assembly (104) is provided between the first driving wheel (101) and the driven wheel (103), and between the second driving wheel (102) and the driven wheel (103), and an adjusting device (109) is fixedly connected to the clutch assembly (104); The manual drive device (4) comprises a threaded sleeve (401), a first sprocket (402), a second threaded rod (403), a rotating block (404), a seat ring (405), a steel ball assembly (406), a movable block (407), a first sliding guide column (408), a first sliding sleeve (410), a second driving sprocket (411), a rotating rod (412), and a hand wheel (413); a plurality of rotating shaft frames (414) are fixedly connected to the middle portion of the door leaf frame (1); the threaded sleeve (401) and the first sliding sleeve (410) are respectively rotatably connected to corresponding rotating shaft frames (414); one end of the threaded sleeve (401) is fixedly connected to the first sliding sleeve (410). A first sprocket (402) is connected, the first sprocket (402) is drivingly connected to the adjustment device (109), the other end of the screw sleeve (401) is provided with a stud hole extending inwardly, a second threaded rod (403) is threadedly connected in the stud hole, one end of the second threaded rod (403) passes through the stud hole and is fixedly connected to the rotating block (404), a rotating chamber (415) is provided in the movable block (407), the rotating block (404) is rotatably connected in the rotating chamber (415), the opposite inner walls of the rotating chamber (415) are respectively fixedly connected with seat rings (405), the seat ring (405) and the rotating block (407) are connected to the rotating block (407) and the rotating block (407) are connected to the rotating chamber (415). 04), respectively, bead grooves are provided between the two ends, the steel ball assemblies (406) are rotatably connected between the opposite bead grooves, a plurality of limit plates (416) are fixedly connected to the second threaded rod (403) on one side of the movable block (407), the other end of the limit plate (416) is fixedly connected to a guide block (417), the guide blocks (417) are respectively slidably connected in guide groove rails (418), the guide groove rails (418) are fixedly connected in the door leaf frame (1), one end of the movable block (407) is fixedly connected to a first sliding guide column (408), the first sliding guide column (408) is slidably connected in a first sliding sleeve (410), A first internal tooth groove (419) is arranged in the sliding sleeve opening of the first sliding sleeve (410), a first external tooth gear (409) meshing with the first sliding guide column (408) on one side of the movable block (407) is provided, one end of the first sliding sleeve (410) is fixedly connected to the second driving sprocket (411), the second driving sprocket (411) is transmission-connected to the second driving wheel (102) via a chain belt, one end of the first sliding guide column (408) is fixedly connected to a rotating rod (412), the rotating rod (412) passes through the first sliding sleeve (410) and the second driving sprocket (411) in sequence, and then is fixedly connected to the hand wheel (413); The outer wall of the hangar sliding door is provided with a storage groove (420), the hand wheel (413) is movably connected in the storage groove (420), a slide groove (421) is opened on one side of the inner wall of the groove opening of the storage groove (420), a cover plate (422) is slidably connected in the slide groove (421), and slide groove frames (423) are slidably connected on both sides of the cover plate (422), and the slide groove frames (423) are embedded and connected at the edges of both sides of the groove opening of the storage groove (420).
2. A large hangar sliding door clutch device according to claim 1, characterized in that: The tensioning device (6) comprises a slide rail (201), a first threaded rod (202), a first rotating shaft fixing frame (203), a worm wheel (204), a worm (205), and a second rotating shaft fixing frame (206); the bottom of the mounting plate (5) is fixedly connected with two sets of mutually parallel slide rails (201); the top of the mounting platform (8) is provided with a matching slide groove; the slide rail (201) is slidably connected in the slide groove; a threaded hole is penetrated in the middle of the mounting platform (8); the first threaded rod (202) is threadedly connected in the threaded hole; two ends of the first threaded rod (202) respectively pass through the threaded holes and are rotatably connected to the first rotating shaft fixing frame ( The first rotating shaft fixing frame (203) is fixedly connected to the bottom of the mounting plate (5), one end of the first threaded rod (202) passes through the first rotating shaft fixing frame (203) and is fixedly connected to the worm wheel (204), the worm wheel (204) is meshingly connected to the worm (205), one end of the worm (205) is fixedly connected to a third rotating shaft (207), the third rotating shaft (207) is rotatably connected to a plurality of second rotating shaft fixing frames (206), the second rotating shaft fixing frames (206) are all fixedly connected to the bottom of the mounting plate (5), and the other end of the third rotating shaft (207) is fixedly connected to a first rotating operation block (208).
3. A large hangar sliding door clutch device according to claim 1, characterized in that: The motor drive device (3) comprises a drive motor (301) and a first drive sprocket (302); the drive motor (301) is fixedly connected to one side of the lower end of the mounting platform (8); the first drive sprocket (302) is fixedly connected to the rotating shaft of the drive motor (301); the first drive sprocket (302) is transmission-connected to the first driving wheel (101) via a chain belt.
4. A large hangar sliding door clutch device according to claim 1, characterized in that: A handle (424) is fixedly connected to the cover plate (422).
5. The large hangar sliding door clutch device according to claim 1, characterized in that: The clutch assembly (104) comprises an outer groove ring (501), a spline shaft (502), a spline sleeve (503), a sliding sleeve (504), a limiting ring (505), a second sliding guide column (506), a second external rack (507), and a second sliding sleeve (508). The two sides of the driven wheel (103) are respectively fixedly connected with the outer groove ring (501), the outer groove ring (501) is rotatably connected to the support plate (106) via a bearing, and the separated sides of the outer groove ring (501) are respectively fixedly connected to the spline shaft (502), the spline shaft (502) is slidably connected in the spline sleeve (503), and the limiting rings (505) are respectively fixedly connected to the outer peripheral side walls at both ends of the spline sleeve (503), and the spline sleeve between the limiting rings (505) is connected to the outer peripheral side walls of the two ends of the spline sleeve (503). A sliding sleeve (504) is sleeved on the spline sleeve (503), the sliding sleeve (504) and the spline sleeve (503) are connected to each other in a relatively rotatable manner, the outer wall of the sliding sleeve (504) is connected to the adjustment device (109), one end of the spline sleeve (503) is fixedly connected to a second sliding guide column (506), the first driving wheel (101) and the second driving wheel (102) are respectively fixedly connected to the opposite side with a second sliding sleeve (508), the second sliding guide column (506) is respectively slidably connected in the second sliding sleeve (508), a second internal tooth groove (509) is provided in the sliding sleeve opening of the second sliding sleeve (508), and a second external rack (507) correspondingly meshed with the second sliding guide column (506) is fixedly connected to the second sliding guide column (506) on one side of the spline sleeve (503).
6. A large hangar sliding door clutch device according to claim 5, characterized in that: A rotating shaft hole is formed on the central axis of the second sliding guide column (506), the spline sleeve (503) and the spline shaft (502); the first rotating shaft (107) and the second rotating shaft (108) are rotatably connected in the rotating shaft holes respectively; one end of the first rotating shaft (107) and the second rotating shaft (108) respectively passes through the rotating shaft hole and is rotatably connected in the outer groove ring (501).
7. A large hangar sliding door clutch device according to claim 6, characterized in that: The adjusting device (109) comprises a rectangular frame (601), a mounting block (602), a side guide plate (603), a sliding guide block (604), a driving block (605), a third rotating shaft fixing frame (606), a linkage sprocket (607), a second rotating operation block (608), and a second sprocket (609); the sliding sleeve (504) is fixedly connected to the rectangular frame (601) via the mounting block (602); two groups of rectangular frames (601) are arranged outside each group of the sliding sleeves (504); sliding guide blocks (604) are fixedly connected to the rectangular frames (601) on both sides of each group of the sliding sleeves (504); side guide plates (603) are fixedly connected to both sides of the side mounting plate (105) and the support plate (106); guide slots (610) are respectively provided on the side guide plates (603); the sliding guide blocks (604) are respectively slidably connected to the corresponding guide slots (610); The sliding guide blocks (604) outside the guide groove (610) are respectively fixedly connected with driving blocks (605), and the driving blocks (605) located on the same side of the side guide plate (603) are penetrated and threadedly connected with a third threaded rod (611), and the end surfaces of the side guide plate (603) are respectively fixedly connected with third rotating shaft fixing frames (606), and the third threaded rods (611) are respectively rotatably connected to the third rotating shaft fixing frames (606), and the two ends of the third threaded rods (611) are respectively fixedly connected with linkage sprockets (607), and the linkage sprockets (607) are connected to each other through a chain belt transmission, one end of one group of the third threaded rods (611) is fixedly connected with a second sprocket (609), and the second sprocket (609) is transmission-connected to the first sprocket (402) through a chain belt, and one end of the other group of the third threaded rods (611) is fixedly connected with a second rotating operation block (608).
Citation Information
Patent Citations
Flashlight at hangar gate moves clutching mechanism
CN208546069U