Chain guide rail and chain tightener device

Abstract

The invention discloses a chain guide rail and a chain tightener device. The chain guide rail comprises a guide rail body, a gear device, a metal chain, an electromagnetic attraction device, a lubricating device, a distance detection device and a guide rail moving device. A chain guide limiting groove is formed in the guide rail body, and a metal chain is movably inserted into the chain guide limiting groove; the metal chain is attracted through the electromagnetic attraction device, so that the metal chain is tightened; the lubricating device is used for discharging lubricating oil to reduce friction and abrasion of the metal chain; the energy consumption is reduced, the transmission efficiency is improved, and the equipment fault and maintenance cost are reduced; a chain tightening mechanism of the chain tightener device comprises a chain tightening base, a rotating screw and a screw driving assembly. The screw driving assembly is used for driving the rotating screw to rotate, and the rotating screw drives the gear device to move, so that the metal chain is tightened; the tensioning efficiency and accuracy of the metal chain are improved, manual intervention is reduced through automatic control, and the maintenance cost is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of chain tensioning, and in particular to a chain guide and a chain tensioner device. Background Art

[0002] Metal chain drives are widely used in industry, construction and manufacturing, and are powered by motors. However, over long periods of use, the tension of the metal chain will decrease due to wear, plastic deformation, overload, temperature changes, lack of maintenance or vibration impact. This will not only reduce transmission efficiency and increase wear on the chain and sprocket, but also increase equipment failure rate and the risk of safety accidents, leading to increased maintenance costs. Existing chain tensioning devices tighten the metal chain by directly pressing and supporting it, which not only increases the friction and noise of the metal chain, but also increases wear on the chain and increases the risk of breakage, thereby increasing energy consumption and shortening the service life of the equipment. Summary of the invention

[0003] In order to improve the defects of the existing chain tensioning device that tightens the metal chain by directly pressing and supporting it, which increases the friction and noise of the metal chain, aggravates the wear of the chain, and increases the risk of breakage, the present application provides a chain guide and a chain tensioner device.

[0004] The chain guide and chain tensioner device provided in this application adopt the following technical solutions: A chain guide rail comprises a guide rail body, gear devices arranged at both ends of the guide rail body, metal chains sleeved on the outside of the two gear devices and respectively meshing with the two gear devices, an electromagnetic attraction device arranged on the guide rail body and located on one side of the metal chain, a lubrication device, a distance detection device inserted on the electromagnetic attraction device, and a guide rail moving device for guiding and supporting the metal chain; the guide rail body is provided with a chain guide limit groove arranged along the length direction of the guide rail body, and the chain guide limit groove is used for the metal chain to be movably inserted; The guide rail moving device is located on one side of the chain guide limit groove and is used to move towards or away from the metal chain to adjust the width of the chain guide limit groove; the electromagnetic attraction device is located on the other side of the chain guide limit groove and is used to attract the metal chain to make the metal chain move towards the electromagnetic attraction device, so that the metal chain mounted on the two gear devices is tightened, and the metal chain maintains a gap with the chain guide limit groove and the guide rail moving device respectively.

[0005] By adopting the above technical scheme, through the cooperation of the chain guide limit groove on the guide rail body and the guide rail moving device, the metal chain can be guided and supported when the metal chain vibrates or disengages, and the metal chain is attracted by the electromagnetic attraction device to tighten the metal chain mounted on the two gear devices, thereby achieving chain tensioning; the lubrication device is used to discharge lubricating oil when the metal chain is close to the electromagnetic attraction device or the side wall of the chain guide limit groove to reduce the friction and wear of the metal chain; the distance detection device is used to monitor the tension of the metal chain in real time to ensure that the metal chain maintains an appropriate gap with the chain guide limit groove and the guide rail moving device, further reducing the direct friction on the metal chain, reducing energy consumption, improving transmission efficiency, and reducing equipment failures and maintenance costs.

[0006] Preferably, the metal chain comprises a first chain segment located on one side of the gear device, and a second chain segment located on the other side of the gear device; The chain guide limit groove includes a first guide limit groove provided on one side of the guide rail body and used for inserting the first chain segment, and a second guide limit groove provided on the other side of the guide rail body and used for inserting the second chain segment; the guide rail moving device is located between the first chain segment and the second chain segment.

[0007] By adopting the above technical solution, the first chain segment is inserted into the first guide limit groove, and the second chain segment is inserted into the second guide limit groove, thereby realizing the guidance and limitation of the metal chain; the guide rail moving device located between the first chain segment and the second chain segment can adjust the width of the chain guide limit groove as needed to adapt to chains of different sizes and different tensions, thereby improving the stability and reliability of the metal chain transmission, reducing the wear of the metal chain and the gear device, and extending the service life of the equipment.

[0008] Preferably, the electromagnetic attraction device comprises a first magnetic attraction mechanism disposed on the outside of the first chain segment, and a second magnetic attraction mechanism disposed on the outside of the second chain segment; The first magnetic attraction mechanism and the second magnetic attraction mechanism both include a first electromagnet assembly, a second electromagnet assembly, and a third electromagnet assembly arranged along the length direction of the guide rail body; the first electromagnet assembly is used to attract one end of the first chain segment and the second chain segment, the third electromagnet assembly is used to attract the other end of the first chain segment and the second chain segment, and the second electromagnet assembly is used to attract the middle position of the first chain segment and the second chain segment.

[0009] By adopting the above technical solution, the first electromagnet assembly and the third electromagnet assembly attract the two ends of the first chain segment and the second chain segment respectively, and the second electromagnet assembly attracts the middle position of the first chain segment and the second chain segment, thereby realizing all-round attraction and tensioning of the metal chain. The present application not only ensures the uniform tensioning of the metal chain, but also optimizes the stability and transmission efficiency of the metal chain through precise adjustment of the electromagnetic force, reduces the negative effects caused by loose or over-tightened metal chain, thereby extending the service life of the metal chain and reducing maintenance costs.

[0010] Preferably, the distance detecting device includes a first distance sensor inserted on the first electromagnet assembly, a second distance sensor inserted on the second electromagnet assembly, and a third distance sensor inserted on the third electromagnet assembly; the first distance sensor is used to detect the distance between one end of the first chain segment and the second chain segment and the first electromagnet assembly, the third distance sensor is used to detect the distance between the other end of the first chain segment and the second chain segment and the second electromagnet assembly, and the second distance sensor is used to detect the distance between the middle position of the first chain segment and the second chain segment and the third electromagnet assembly.

[0011] By adopting the above technical solution, the first distance sensor is electrically connected to the first electromagnet assembly, the third distance sensor is electrically connected to the third electromagnet assembly, and the second electromagnet assembly maintains magnetic attraction at the middle position of the first chain segment and the second chain segment. When the metal chain becomes loose and the tension decreases, the metal chain will move towards the first electromagnet assembly and the third electromagnet assembly under the magnetic attraction of the second electromagnet assembly. When the distance between the metal chain and the first electromagnet assembly is greater than the preset distance value, the first distance sensor triggers the first electromagnet assembly to magnetically attract the metal chain; when the distance between the metal chain and the third electromagnet assembly is greater than the preset distance value, the third distance sensor triggers the third electromagnet assembly to magnetically attract the metal chain; the present application ensures that the tension state of the metal chain can be effectively monitored throughout its entire length, thereby optimizing the stability and transmission efficiency of the metal chain. At the same time, by monitoring the changes in the distance of the metal chain, the attraction strength of the electromagnetic attraction device can be adjusted in time to keep the metal chain in the optimal tension state.

[0012] Preferably, the lubrication device includes a first lubrication mechanism arranged on the outside of the first chain segment, and a second lubrication mechanism arranged on the outside of the second chain segment; the first lubrication mechanism and the second lubrication mechanism both include a first lubrication assembly arranged between the first electromagnet assembly and the second electromagnet assembly, and a second lubrication assembly arranged between the second electromagnet assembly and the third electromagnet assembly.

[0013] By adopting the above technical solution, the metal chain is lubricated by the first lubrication mechanism and the second lubrication mechanism, the first lubrication component is located between the first electromagnet component and the second electromagnet component, and the second lubrication component is located between the second electromagnet component and the third electromagnet component; this design can lubricate the metal chain in all directions, reduce the friction and wear between the metal chain and the gear device and the chain guide limit groove, respectively, extend the service life of the metal chain, and also reduce energy consumption and maintenance costs, and improve the transmission efficiency and the overall reliability of the system.

[0014] Preferably, the first lubrication assembly and the second lubrication assembly both include an oil storage tank inserted in the guide rail body and used to store lubricating oil, and a mechanical pump connected to the oil storage tank and electrically connected to the second distance sensor, and the guide rail body is provided with an oil drainage microhole for connecting the oil storage tank and the chain guide limit groove.

[0015] By adopting the above technical solution, the first lubrication component and the second lubrication component store lubricating oil through an oil storage tank, and the mechanical pump is connected to the oil storage tank. When the metal chain is close to the side wall of the chain guide limit groove or the distance between the metal chain and the second electromagnet component is less than the minimum distance preset value, the second distance sensor triggers the mechanical pump to start, and the mechanical pump guides the lubricating oil in the oil storage tank from the oil drainage microholes on the guide rail body to the chain guide limit groove, thereby achieving precise lubrication of the metal chain. The present application ensures that the metal chain is continuously and appropriately lubricated during the transmission process, thereby reducing friction and wear, reducing energy consumption, improving transmission efficiency, and extending the service life of the equipment.

[0016] Preferably, the guide rail moving device comprises a first pressing guide rail arranged on the inner side of the first chain segment, and a second pressing guide rail arranged on the inner side of the second chain segment; The first pressing guide rail and the second pressing guide rail each include a guide rail driving assembly disposed on the guide rail body and electrically connected to the second distance sensor, a movable guide plate connected to an output end of the guide rail driving assembly, a first hinged guide plate having one end slidably connected to the movable guide plate and the other end hinged to an end of the guide rail body, and a second hinged guide plate; the first hinged guide plate and the second hinged guide plate are respectively located on both sides of the movable guide plate.

[0017] By adopting the above technical scheme, when the metal chain vibrates or detaches, the inner side of the first chain segment is guided and supported by the first pressing guide rail, and the inner side of the second chain segment is guided and supported by the second pressing guide rail; when the metal chain moves in the direction close to the second electromagnet assembly, the second distance sensor triggers the guide rail driving assembly to drive the movable guide plate to move in the direction close to the metal chain, and the movable guide plate is hingedly guided with the first hinged guide plate and the second hinged guide plate, the first hinged guide plate and the second hinged guide plate are respectively located on both sides of the movable guide plate, and are hinged to the ends of the guide rail body, so that the movable guide plate can reciprocate on the guide rail body to assist in adjusting the tension of the metal chain; the present application can automatically adjust the width of the chain guide limit groove according to the tension of the metal chain to ensure that a preset distance is maintained with the metal chain; it not only improves the flexibility and controllability of the metal chain tensioning process, but also optimizes the transmission efficiency and reduces wear by accurately controlling the gap between the metal chain and the guide rail moving device, thereby extending the service life of the metal chain.

[0018] Preferably, the first hinged guide plate and the second hinged guide plate each include a guide plate body, and a sliding shaft provided on the guide plate body close to one end of the movable guide plate, and an avoidance groove is further provided at the end of the guide plate body, the sliding shaft is inserted into the avoidance groove and both ends are fixedly connected to the guide plate body; The movable guide plate is provided with a strip-shaped sliding hole penetrating through the two side walls of the movable guide plate; the sliding shaft is movably inserted in the strip-shaped sliding hole, and the movable guide plate is movably inserted in the avoidance groove.

[0019] By adopting the above-mentioned technical scheme, the first articulated guide plate and the second articulated guide plate cooperate with the strip sliding hole on the movable guide plate through the sliding shaft on the guide plate body to realize the sliding connection with the movable guide plate; the avoidance groove at the end of the guide plate body enables the movable guide plate to be inserted, thereby increasing the stability of the connection; the present application enables the first articulated guide plate and the second articulated guide plate to automatically adjust their positions according to the tensioning degree of the metal chain, thereby improving the stability and flexibility of the first articulated guide plate and the second articulated guide plate during movement, ensuring the smooth movement and precise positioning of the first chain segment and the second chain segment, thereby improving the operating efficiency and reliability of the entire guide rail moving device.

[0020] A chain tightening device, comprising the chain guide rail, and a chain tightening mechanism disposed at the end of the guide rail body and located between the guide rail body and the gear device; the chain tightening mechanism comprises a chain tightening base, a rotating screw movably inserted on the chain tightening base and threadedly engaged with the gear device, and a screw driving assembly disposed on the chain tightening base and electrically connected to the distance detection device; When the distance between the metal chain and the electromagnetic attraction device is less than a minimum preset value, the distance detection device triggers the screw drive assembly to drive the rotating screw to rotate, and the rotating screw drives the gear device to move away from the other gear device to tighten the metal chain.

[0021] By adopting the above technical solution, the rotating screw and the gear device are threadedly matched, and the screw drive assembly is electrically connected to the distance detection device; when the distance between the metal chain and the electromagnetic attraction device is less than the minimum preset value, the distance detection device triggers the screw drive assembly, which in turn drives the rotating screw to rotate, driving the gear device to move, and further realizes the tightening of the metal chain; this application not only improves the efficiency and accuracy of metal chain tensioning, but also reduces manual intervention through automated control, reduces maintenance costs, and at the same time ensures the stability and reliability of the transmission system.

[0022] Preferably, the chain tightening base is provided with a sliding guide hole arranged along the length direction of the chain tightening base, and the rotating screw is inserted into the sliding guide hole from the side wall of the chain tightening base along the length direction of the sliding guide hole. The gear device includes a sliding base inserted in the sliding guide hole and threadedly matched with the rotating screw, and a gear body connected to the sliding base bearing.

[0023] By adopting the above technical scheme, the sliding guide hole on the chain tightening base is used to guide the moving direction of the rotating screw, the rotating screw is threadedly matched with the sliding base, the sliding base is inserted into the sliding guide hole and connected to the gear body bearing; so that the rotating screw can drive the sliding base to move along the length direction of the sliding guide hole when rotating, thereby driving the gear body to move, and realizing the tensioning adjustment of the metal chain; the setting of the sliding guide hole ensures the accuracy of the moving direction of the rotating screw and the sliding base, and improves the adjustment accuracy and reliability of the chain tightening mechanism; it realizes the precise tensioning of the metal chain, improves the transmission efficiency, reduces equipment failures, and extends the service life of the equipment.

[0024] In summary, the present application includes at least one of the following beneficial technical effects: 1. The chain guide rail, through the cooperation of the chain guide limit groove on the guide rail body and the guide rail moving device, can guide and support the metal chain when the metal chain vibrates or detaches, and attract the metal chain through the electromagnetic attraction device to tighten the metal chain set on the two gear devices, thereby realizing chain tensioning; the lubricating device is used to discharge lubricating oil when the metal chain is close to the electromagnetic attraction device or the side wall of the chain guide limit groove to reduce the friction and wear of the metal chain; the distance detection device is used to monitor the tension of the metal chain in real time to ensure that the metal chain maintains an appropriate gap with the chain guide limit groove and the guide rail moving device, further reducing the direct friction on the metal chain, reducing energy consumption, improving transmission efficiency, and reducing equipment failures and maintenance costs; 2. Chain guide, the first distance sensor is electrically connected to the first electromagnet assembly, the third distance sensor is electrically connected to the third electromagnet assembly, the second electromagnet assembly maintains magnetic attraction at the middle position of the first chain segment and the second chain segment, when the metal chain becomes loose and the tension is reduced, the metal chain will move towards the first electromagnet assembly and the third electromagnet assembly under the magnetic attraction of the second electromagnet assembly, when the distance between the metal chain and the first electromagnet assembly is greater than the preset distance value, the first distance sensor triggers the first electromagnet assembly to magnetically attract the metal chain; when the distance between the metal chain and the third electromagnet assembly is greater than the preset distance value, the third distance sensor triggers the third electromagnet assembly to magnetically attract the metal chain; the present application ensures that the tension state of the metal chain within the entire length range can be effectively monitored, thereby optimizing the stability and transmission efficiency of the metal chain, and at the same time, by monitoring the distance change of the metal chain, the attraction strength of the electromagnetic attraction device can be adjusted in time to keep the metal chain in the best tension state; 3. A chain tensioner device, in which the rotating screw is threadedly matched with the gear device, and the screw drive assembly is electrically connected to the distance detection device; when the distance between the metal chain and the electromagnetic attraction device is less than the minimum preset value, the distance detection device triggers the screw drive assembly, which in turn drives the rotating screw to rotate, driving the gear device to move, thereby further tightening the metal chain; this application not only improves the efficiency and accuracy of metal chain tensioning, but also reduces manual intervention through automated control, reduces maintenance costs, and at the same time ensures the stability and reliability of the transmission system. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional structural schematic diagram of the chain guide embodiment of the present application.

[0026] Figure 2 It is a schematic cross-sectional structure diagram of a chain guide rail embodiment of the present application.

[0027] Figure 3 It is a cross-sectional structural schematic diagram of an embodiment of the chain guide and chain tensioner device of the present application.

[0028] Figure 4 It is a three-dimensional structural schematic diagram of an embodiment of the chain tensioner device of the present application.

[0029] Description of reference numerals: 1. Guide rail body; 2. Gear device; 21. Sliding base; 22. Gear body; 3. Metal chain; 31. First chain segment; 32. Second chain segment; 4. Electromagnetic attraction device; 41. First magnetic attraction mechanism; 42. Second magnetic attraction mechanism; 411. First electromagnet assembly; 412. Second electromagnet assembly; 413. Third electromagnet assembly; 5. Lubricating device; 51. First lubricating mechanism; 52. Second lubricating mechanism; 511. First lubricating assembly; 512. Second lubricating assembly; 5111. Oil storage tank; 5112. Mechanical pump; 5113. Oil discharge micropore; 6. Distance detection device; 61. First distance sensor; 62. Second distance sensor; 63. Third distance sensor; 7. Guide rail moving device; 71. First pressing guide rail; 72. Second pressing guide rail; 711. Guide rail driving assembly; 712. Moving guide plate; 713. First hinged guide plate; 714. Second hinged guide plate; 7121. Bar sliding hole; 7131. Guide plate body; 7132. Sliding shaft; 7133. Avoidance groove; 8. Chain guide limit groove; 81. First guide limit groove; 82. Second guide limit groove; 9. Chain tightening mechanism; 91. Chain tightening base; 92. Rotating screw; 93. Screw driving assembly; 911. Sliding guide hole. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-4 This application is described in further detail.

[0031] The present application discloses a chain guide and a chain tensioner device. Figure 1 The chain guide includes a guide body 1, gear devices 2 arranged at both ends of the guide body 1, metal chains 3 sleeved on the outside of the two gear devices 2 and respectively meshing with the two gear devices 2, an electromagnetic attraction device 4 arranged on the guide body 1 and located on one side of the metal chain 3, a lubricating device 5, a distance detection device 6 inserted on the electromagnetic attraction device 4, and a guide moving device 7 for guiding and supporting the metal chain 3; the guide body 1 is provided with a chain guide limiting groove 8 arranged along the length direction of the guide body 1, and the chain guide limiting groove 8 is used for the metal chain 3 to be movably inserted; The guide rail moving device 7 is located on one side of the chain guide limit groove 8 and is used to move towards or away from the metal chain 3 to adjust the width of the chain guide limit groove 8; the electromagnetic attraction device 4 is located on the other side of the chain guide limit groove 8 and is used to attract the metal chain 3 so that the metal chain 3 moves towards the direction close to the electromagnetic attraction device 4, so that the metal chain 3 mounted on the two gear devices 2 is tightened, and the metal chain 3 maintains a gap with the chain guide limit groove 8 and the guide rail moving device 7 respectively.

[0032] The present application can guide and support the metal chain 3 when the metal chain 3 vibrates or disengages through the cooperation of the chain guide limit groove 8 and the guide rail moving device 7 on the guide rail body 1, and attract the metal chain 3 through the electromagnetic attraction device 4 to tighten the metal chain 3 mounted on the two gear devices 2, thereby realizing chain tensioning; the lubricating device 5 is used to discharge lubricating oil when the metal chain 3 is close to the electromagnetic attraction device 4 or the side wall of the chain guide limit groove 8 to reduce the friction and wear of the metal chain 3; the distance detection device 6 is used to monitor the tensioning degree of the metal chain 3 in real time to ensure that the metal chain 3 maintains an appropriate gap with the chain guide limit groove 8 and the guide rail moving device 7, further reducing the direct friction on the metal chain 3, reducing energy consumption, improving transmission efficiency, and reducing equipment failures and maintenance costs.

[0033] Furthermore, if Figure 2 As shown, the metal chain 3 includes a first chain segment 31 located on one side of the gear device 2, and a second chain segment 32 located on the other side of the gear device 2; The chain guide limit groove 8 includes a first guide limit groove 81 provided on one side of the guide rail body 1 and used for inserting the first chain segment 31, and a second guide limit groove 82 provided on the other side of the guide rail body 1 and used for inserting the second chain segment 32; the guide rail moving device 7 is located between the first chain segment 31 and the second chain segment 32.

[0034] The metal chain 3 of the present application is composed of a first chain segment 31 and a second chain segment 32, which are respectively inserted into a first guide limit groove 81 and a second guide limit groove 82 on the guide rail body 1 to achieve guiding and limiting of the metal chain 3; the guide rail moving device 7 located between the first chain segment 31 and the second chain segment 32 can adjust the width of the chain guide limit groove 8 as needed to adapt to chains of different sizes and different tensions, thereby improving the stability and reliability of the transmission of the metal chain 3, reducing the wear of the metal chain 3 and the gear device 2, and extending the service life of the equipment.

[0035] Furthermore, if Figure 2 As shown, the electromagnetic attraction device 4 includes a first magnetic attraction mechanism 41 disposed outside the first chain segment 31, and a second magnetic attraction mechanism 42 disposed outside the second chain segment 32; The first magnetic attraction mechanism 41 and the second magnetic attraction mechanism 42 both include a first electromagnet assembly 411, a second electromagnet assembly 412, and a third electromagnet assembly 413 arranged along the length direction of the guide rail body 1; the first electromagnet assembly 411 is used to attract one end of the first chain segment 31 and the second chain segment 32, the third electromagnet assembly 413 is used to attract the other end of the first chain segment 31 and the second chain segment 32, and the second electromagnet assembly 412 is used to attract the middle position of the first chain segment 31 and the second chain segment 32.

[0036] The present application uses the first magnetic attraction mechanism 41 to magnetically attract the first chain segment 31, and uses the second magnetic attraction mechanism 42 to magnetically attract the second chain segment 32; the first magnetic attraction mechanism 41 and the second magnetic attraction mechanism 42 both include a first electromagnet assembly 411, a second electromagnet assembly 412 and a third electromagnet assembly 413; the first electromagnet assembly 411 and the third electromagnet assembly 413 attract the two ends of the first chain segment 31 and the second chain segment 32 respectively, and the second electromagnet assembly 412 attracts the middle position of the first chain segment 31 and the second chain segment 32, thereby achieving all-round attraction and tensioning of the metal chain 3. The present application not only ensures uniform tensioning of the metal chain 3, but also optimizes the stability and transmission efficiency of the metal chain 3 through precise adjustment of the electromagnetic force, reduces the negative effects caused by loosening or over-tightening of the metal chain 3, thereby extending the service life of the metal chain 3 and reducing maintenance costs; The first electromagnet assembly 411 , the second electromagnet assembly 412 and the third electromagnet assembly 413 are preferably electromagnets.

[0037] Specifically, Figure 2 As shown, the distance detecting device 6 includes a first distance sensor 61 inserted on the first electromagnet assembly 411, a second distance sensor 62 inserted on the second electromagnet assembly 412, and a third distance sensor 63 inserted on the third electromagnet assembly 413; the first distance sensor 61 is used to detect the distance between one end of the first chain segment 31 and the second chain segment 32 and the first electromagnet assembly 411, the third distance sensor 63 is used to detect the distance between the other end of the first chain segment 31 and the second chain segment 32 and the second electromagnet assembly 412, and the second distance sensor 62 is used to detect the distance between the middle position of the first chain segment 31 and the second chain segment 32 and the third electromagnet assembly 413.

[0038] In the present application, the first distance sensor 61 is electrically connected to the first electromagnet assembly 411, the third distance sensor 63 is electrically connected to the third electromagnet assembly 413, and the second electromagnet assembly 412 maintains magnetic attraction at the middle position of the first chain segment 31 and the second chain segment 32. When the metal chain 3 becomes loose and the tension is reduced, the metal chain 3 will move towards the first electromagnet assembly 411 and the third electromagnet assembly 413 under the magnetic attraction of the second electromagnet assembly 412. When the distance between the metal chain 3 and the first electromagnet assembly 411 is greater than the preset distance value, the first distance sensor 61 triggers the first electromagnet assembly 411 to magnetically attract the metal chain 3; when the distance between the metal chain 3 and the third electromagnet assembly 413 is greater than the preset distance value, the third distance sensor 63 triggers the third electromagnet assembly 413 to magnetically attract the metal chain 3; The present application ensures that the tension state of the metal chain 3 can be effectively monitored throughout the entire length, thereby optimizing the stability and transmission efficiency of the metal chain 3. At the same time, by monitoring the change in the spacing of the metal chain 3, the attraction strength of the electromagnetic attraction device 4 can be adjusted in time to keep the metal chain 3 in the optimal tension state; The first distance sensor 61 , the second distance sensor 62 , and the third distance sensor 63 are preferably distance detection sensors.

[0039] More specifically, if Figure 2 and Figure 3 As shown, the lubrication device 5 includes a first lubrication mechanism 51 arranged on the outside of the first chain segment 31, and a second lubrication mechanism 52 arranged on the outside of the second chain segment 32; the first lubrication mechanism 51 and the second lubrication mechanism 52 both include a first lubrication component 511 arranged between the first electromagnet component 411 and the second electromagnet component 412, and a second lubrication component 512 arranged between the second electromagnet component 412 and the third electromagnet component 413.

[0040] The present application lubricates the metal chain 3 through the first lubrication mechanism 51 and the second lubrication mechanism 52. The first lubrication component 511 is located between the first electromagnet component 411 and the second electromagnet component 412, and the second lubrication component 512 is located between the second electromagnet component 412 and the third electromagnet component 413. This design can lubricate the metal chain 3 in all directions, reduce the friction and wear between the metal chain 3 and the gear device 2 and the chain guide limit groove 8, respectively, extend the service life of the metal chain 3, and also reduce energy consumption and maintenance costs, thereby improving the transmission efficiency and the overall reliability of the system.

[0041] In addition, if Figure 3As shown, the first lubrication component 511 and the second lubrication component 512 both include an oil storage tank 5111 inserted in the guide rail body 1 and used to store lubricating oil, and a mechanical pump 5112 connected to the oil storage tank 5111 and electrically connected to the second distance sensor 62. The guide rail body 1 is provided with an oil drainage microhole 5113 for connecting the oil storage tank 5111 and the chain guide limit groove 8.

[0042] The first lubrication component 511 and the second lubrication component 512 of the present application store lubricating oil through the oil storage tank 5111, and the mechanical pump 5112 is connected to the oil storage tank 5111. When the metal chain 3 is close to the side wall of the chain guide limit groove 8 or the distance between the metal chain 3 and the second electromagnet component 412 is less than the preset minimum distance, the second distance sensor 62 triggers the mechanical pump 5112 to start, and the mechanical pump 5112 guides the lubricating oil in the oil storage tank 5111 from the oil discharge micropores 5113 on the guide rail body 1 to the chain guide limit groove 8, thereby achieving precise lubrication of the metal chain 3. The present application ensures that the metal chain 3 is continuously and appropriately lubricated during the transmission process, reduces friction and wear, reduces energy consumption, improves transmission efficiency, and extends the service life of the equipment. The mechanical pump 5112 is preferably an oil pump.

[0043] And, if Figure 1 and Figure 3 As shown, the guide rail moving device 7 includes a first pressing guide rail 71 disposed inside the first chain segment 31 , and a second pressing guide rail 72 disposed inside the second chain segment 32 ; The first pressing guide rail 71 and the second pressing guide rail 72 both include a guide rail driving component 711 disposed on the guide rail body 1 and electrically connected to the second distance sensor 62, a movable guide plate 712 connected to the output end of the guide rail driving component 711, a first hinged guide plate 713 having one end slidingly connected to the movable guide plate 712 and the other end hinged to the end of the guide rail body 1, and a second hinged guide plate 714; the first hinged guide plate 713 and the second hinged guide plate 714 are respectively located on both sides of the movable guide plate 712.

[0044] In the present application, when the metal chain 3 vibrates or detaches, the first pressing guide rail 71 is used to guide and support the inner side of the first chain segment 31, and the second pressing guide rail 72 is used to guide and support the inner side of the second chain segment 32; when the metal chain 3 moves toward the direction close to the second electromagnet assembly 412, the second distance sensor 62 triggers the guide rail driving assembly 711 to drive the moving guide plate 712 to move toward the direction close to the metal chain 3, and the moving guide plate 712 is hingedly guided with the first hinged guide plate 713 and the second hinged guide plate 714, and the first hinged guide plate 713 and the second hinged guide plate 714 are hingedly guided. The guide plates 714 are respectively located on both sides of the movable guide plate 712 and are hinged to the end of the guide rail body 1, so that the movable guide plate 712 can reciprocate on the guide rail body 1 to assist in adjusting the tension of the metal chain 3; the present application can automatically adjust the width of the chain guide limit groove 8 according to the tension of the metal chain 3 to ensure that the preset spacing with the metal chain 3 is maintained; not only the flexibility and controllability of the tensioning process of the metal chain 3 are improved, but also the transmission efficiency is optimized and the wear is reduced by accurately controlling the gap between the metal chain 3 and the guide rail moving device 7, thereby extending the service life of the metal chain 3; The guide rail driving assembly 711 is preferably a cylinder.

[0045] Furthermore, if Figure 3 As shown, the first hinged guide plate 713 and the second hinged guide plate 714 each include a guide plate body 7131, and a sliding shaft 7132 disposed on the guide plate body 7131 near one end of the movable guide plate 712, and an avoidance groove 7133 is further disposed at the end of the guide plate body 7131, and the sliding shaft 7132 is inserted into the avoidance groove 7133 and fixedly connected to the guide plate body 7131 at both ends; The movable guide plate 712 is provided with a strip-shaped sliding hole 7121 penetrating through the two side walls of the movable guide plate 712 ; the sliding shaft 7132 is movably inserted in the strip-shaped sliding hole 7121 , and the movable guide plate 712 is movably inserted in the avoidance groove 7133 .

[0046] The first hinged guide plate 713 and the second hinged guide plate 714 of the present application cooperate with the strip sliding hole 7121 on the movable guide plate 712 through the sliding shaft 7132 on the guide plate body 7131 to achieve a sliding connection with the movable guide plate 712; the avoidance groove 7133 at the end of the guide plate body 7131 enables the movable guide plate 712 to be inserted, thereby increasing the stability of the connection; the present application enables the first hinged guide plate 713 and the second hinged guide plate 714 to automatically adjust their positions according to the tensioning degree of the metal chain 3, thereby improving the stability and flexibility of the first hinged guide plate 713 and the second hinged guide plate 714 during movement, ensuring the smooth movement and precise positioning of the first chain segment 31 and the second chain segment 32, thereby improving the operating efficiency and reliability of the entire guide rail moving device 7.

[0047] Furthermore, if Figure 3 and Figure 4 As shown, the present application also discloses a chain tightening device, including a chain guide rail, and also including a chain tightening mechanism 9 arranged at the end of the guide rail body 1 and located between the guide rail body 1 and the gear device 2; the chain tightening mechanism 9 includes a chain tightening base 91, a rotating screw 92 movably inserted on the chain tightening base 91 and threadedly matched with the gear device 2, and a screw driving assembly 93 arranged on the chain tightening base 91 and electrically connected to the distance detection device 6; When the distance between the metal chain 3 and the electromagnetic attraction device 4 is less than the minimum preset value, the distance detection device 6 triggers the screw driving assembly 93 to drive the rotating screw 92 to rotate, and the rotating screw 92 drives the gear device 2 to move away from the other gear device 2 to tighten the metal chain 3.

[0048] The chain tightening mechanism 9 of the present application is composed of a chain tightening base 91, a rotating screw 92 and a screw driving assembly 93. The rotating screw 92 is threadedly matched with the gear device 2, and the screw driving assembly 93 is electrically connected to the distance detection device 6. When the distance between the metal chain 3 and the electromagnetic attraction device 4 is less than the minimum preset value, the distance detection device 6 triggers the screw driving assembly 93, thereby driving the rotating screw 92 to rotate, driving the gear device 2 to move, and further tightening the metal chain 3. The present application not only improves the efficiency and accuracy of the tensioning of the metal chain 3, but also reduces manual intervention and maintenance costs through automatic control, while ensuring the stability and reliability of the transmission system. The screw drive assembly 93 is preferably a motor.

[0049] Specifically, Figure 4 As shown, the chain tightening base 91 is provided with a sliding guide hole 911 arranged along the length direction of the chain tightening base 91, and the rotating screw 92 is inserted into the sliding guide hole 911 from the side wall of the chain tightening base 91 along the length direction of the sliding guide hole 911. The gear device 2 includes a sliding base 21 inserted in the sliding guide hole 911 and threadedly matched with the rotating screw 92, and a gear body 22 connected to the bearing of the sliding base 21.

[0050] The sliding guide hole 911 on the chain tightening base 91 of the present application is used to guide the moving direction of the rotating screw 92. The rotating screw 92 is threadedly matched with the sliding base 21. The sliding base 21 is inserted into the sliding guide hole 911 and is connected to the bearing of the gear body 22. This design enables the rotating screw 92 to drive the sliding base 21 to move along the length direction of the sliding guide hole 911 when rotating, thereby driving the gear body 22 to move, thereby realizing the tensioning adjustment of the metal chain 3. The setting of the sliding guide hole 911 ensures the accuracy of the moving direction of the rotating screw 92 and the sliding base 21, improves the adjustment accuracy and reliability of the chain tightening mechanism 9, realizes the precise tensioning of the metal chain 3, improves the transmission efficiency, reduces equipment failures, and extends the service life of the equipment.

[0051] The implementation principle of the chain guide and chain tensioner device in the embodiment of the present application is: The chain guide rail can guide and support the metal chain 3 when the metal chain 3 vibrates or disengages through the cooperation of the chain guide limit groove 8 and the guide rail moving device 7 on the guide rail body 1, and attract the metal chain 3 through the electromagnetic attraction device 4 to tighten the metal chain 3 sleeved on the two gear devices 2, thereby realizing chain tensioning; the lubricating device 5 is used to discharge lubricating oil when the metal chain 3 is close to the electromagnetic attraction device 4 or the side wall of the chain guide limit groove 8 to reduce the friction and wear of the metal chain 3; the distance detection device 6 is used to monitor the tension of the metal chain 3 in real time to ensure that the metal chain 3 maintains an appropriate gap with the chain guide limit groove 8 and the guide rail moving device 7, further reducing the direct friction on the metal chain 3, reducing energy consumption, improving transmission efficiency, and reducing equipment failures and maintenance costs; The chain guide rail, the first distance sensor 61 is electrically connected to the first electromagnet assembly 411, the third distance sensor 63 is electrically connected to the third electromagnet assembly 413, the second electromagnet assembly 412 maintains magnetic attraction at the middle position of the first chain segment 31 and the second chain segment 32, when the metal chain 3 becomes loose and the tension is reduced, the metal chain 3 will move towards the direction close to the first electromagnet assembly 411 and the third electromagnet assembly 413 under the magnetic attraction of the second electromagnet assembly 412, when the distance between the metal chain 3 and the first electromagnet assembly 411 is greater than the preset distance value, the first distance sensor 61 is electrically connected to the third electromagnet assembly 413, and the second electromagnet assembly 412 is electrically connected to the third electromagnet assembly 413. The distance sensor 61 triggers the first electromagnet assembly 411 to magnetically attract the metal chain 3; when the distance between the metal chain 3 and the third electromagnet assembly 413 is greater than the preset distance value, the third distance sensor 63 triggers the third electromagnet assembly 413 to magnetically attract the metal chain 3; the present application ensures that the tension state of the metal chain 3 within the entire length range can be effectively monitored, thereby optimizing the stability and transmission efficiency of the metal chain 3. At the same time, by monitoring the change in the distance of the metal chain 3, the attraction strength of the electromagnetic attraction device 4 can be adjusted in time to keep the metal chain 3 in the best tension state; The chain tightening device, the chain tightening mechanism 9 is composed of a chain tightening base 91, a rotating screw 92 and a screw driving assembly 93. The rotating screw 92 is threadedly matched with the gear device 2, and the screw driving assembly 93 is electrically connected to the distance detection device 6; when the distance between the metal chain 3 and the electromagnetic attraction device 4 is less than the minimum preset value, the distance detection device 6 triggers the screw driving assembly 93, and then drives the rotating screw 92 to rotate, driving the gear device 2 to move, and further realizes the tightening of the metal chain 3; the present application not only improves the efficiency and accuracy of the tensioning of the metal chain 3, but also reduces manual intervention through automatic control, reduces maintenance costs, and at the same time ensures the stability and reliability of the transmission system.

[0052] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. Chain guide, characterized in that: The invention comprises a guide rail body (1), gear devices (2) arranged at both ends of the guide rail body (1), a metal chain (3) sleeved on the outside of the two gear devices (2) and respectively meshing with the two gear devices (2), an electromagnetic attraction device (4) arranged on the guide rail body (1) and located on one side of the metal chain (3), a lubricating device (5), a distance detection device (6) inserted on the electromagnetic attraction device (4), and a guide rail moving device (7) for guiding and supporting the metal chain (3); the guide rail body (1) is provided with a chain guide limit groove (8) arranged along the length direction of the guide rail body (1), and the chain guide limit groove (8) is used for allowing the metal chain (3) to be movably inserted; The guide rail moving device (7) is located on one side of the chain guide limit groove (8) and is used to move in a direction close to or away from the metal chain (3) to adjust the width of the chain guide limit groove (8); the electromagnetic attraction device (4) is located on the other side of the chain guide limit groove (8) and is used to attract the metal chain (3) to move the metal chain (3) in a direction close to the electromagnetic attraction device (4), so that the metal chain (3) sleeved on the two gear devices (2) is tightened, and the metal chain (3) maintains a gap with the chain guide limit groove (8) and the guide rail moving device (7) respectively.

2. The chain guide according to claim 1, characterized in that: The metal chain (3) comprises a first chain segment (31) located on one side of the gear device (2), and a second chain segment (32) located on the other side of the gear device (2); The chain guide limit groove (8) comprises a first guide limit groove (81) provided on one side of the guide rail body (1) and used for the first chain segment (31) to be inserted, and a second guide limit groove (82) provided on the other side of the guide rail body (1) and used for the second chain segment (32) to be inserted; the guide rail moving device (7) is located between the first chain segment (31) and the second chain segment (32).

3. The chain guide according to claim 2, characterized in that: The electromagnetic attraction device (4) comprises a first magnetic attraction mechanism (41) arranged on the outside of the first chain segment (31), and a second magnetic attraction mechanism (42) arranged on the outside of the second chain segment (32); The first magnetic attraction mechanism (41) and the second magnetic attraction mechanism (42) both comprise a first electromagnet assembly (411), a second electromagnet assembly (412), and a third electromagnet assembly (413) arranged along the length direction of the guide rail body (1); the first electromagnet assembly (411) is used to attract one end of the first chain segment (31) and the second chain segment (32), the third electromagnet assembly (413) is used to attract the other end of the first chain segment (31) and the second chain segment (32), and the second electromagnet assembly (412) is used to attract the middle position of the first chain segment (31) and the second chain segment (32).

4. The chain guide according to claim 3, characterized in that: The distance detection device (6) comprises a first distance sensor (61) inserted on the first electromagnet assembly (411), a second distance sensor (62) inserted on the second electromagnet assembly (412), and a third distance sensor (63) inserted on the third electromagnet assembly (413); the first distance sensor (61) is used to detect the distance between one end of the first chain segment (31) and the second chain segment (32) and the first electromagnet assembly (411), the third distance sensor (63) is used to detect the distance between the other end of the first chain segment (31) and the second chain segment (32) and the second electromagnet assembly (412), and the second distance sensor (62) is used to detect the distance between the middle position of the first chain segment (31) and the second chain segment (32) and the third electromagnet assembly (413).

5. The chain guide according to claim 4, characterized in that: The lubricating device (5) comprises a first lubricating mechanism (51) arranged on the outside of the first chain segment (31), and a second lubricating mechanism (52) arranged on the outside of the second chain segment (32); the first lubricating mechanism (51) and the second lubricating mechanism (52) both comprise a first lubricating assembly (511) arranged between the first electromagnet assembly (411) and the second electromagnet assembly (412), and a second lubricating assembly (512) arranged between the second electromagnet assembly (412) and the third electromagnet assembly (413).

6. The chain guide according to claim 5, characterized in that: The first lubrication assembly (511) and the second lubrication assembly (512) both comprise an oil storage tank (5111) inserted into the guide rail body (1) and used to store lubricating oil, and a mechanical pump (5112) connected to the oil storage tank (5111) and electrically connected to the second distance sensor (62); the guide rail body (1) is provided with an oil discharge micro-hole (5113) for connecting the oil storage tank (5111) and the chain guide limit groove (8).

7. The chain guide according to claim 4, characterized in that: The guide rail moving device (7) comprises a first pressing guide rail (71) arranged on the inner side of the first chain segment (31), and a second pressing guide rail (72) arranged on the inner side of the second chain segment (32); The first pressing guide rail (71) and the second pressing guide rail (72) both include a guide rail driving component (711) disposed on the guide rail body (1) and electrically connected to the second distance sensor (62), a movable guide plate (712) connected to the output end of the guide rail driving component (711), a first hinged guide plate (713) having one end slidably connected to the movable guide plate (712) and the other end hinged to the end of the guide rail body (1), and a second hinged guide plate (714); the first hinged guide plate (713) and the second hinged guide plate (714) are respectively located on both sides of the movable guide plate (712).

8. The chain guide according to claim 7, characterized in that: The first hinged guide plate (713) and the second hinged guide plate (714) both include a guide plate body (7131), and a sliding shaft (7132) provided on the guide plate body (7131) close to one end of the movable guide plate (712), and an avoidance groove (7133) is further provided at the end of the guide plate body (7131), and the sliding shaft (7132) is inserted into the avoidance groove (7133) and fixedly connected to the guide plate body (7131) at both ends; The movable guide plate (712) is provided with a strip-shaped sliding hole (7121) penetrating through the two side walls of the movable guide plate (712); the sliding shaft (7132) is movably inserted in the strip-shaped sliding hole (7121), and the movable guide plate (712) is movably inserted in the avoidance groove (7133).

9. A chain tensioner device, characterized in that: The chain guide comprises the chain guide as claimed in any one of claims 1 to 8, and further comprises a chain tightening mechanism (9) arranged at the end of the guide body (1) and located between the guide body (1) and the gear device (2); the chain tightening mechanism (9) comprises a chain tightening base (91), a rotating screw (92) movably inserted on the chain tightening base (91) and threadedly engaged with the gear device (2), and a screw driving assembly (93) arranged on the chain tightening base (91) and electrically connected to the distance detection device (6); When the distance between the metal chain (3) and the electromagnetic attraction device (4) is less than a minimum preset value, the distance detection device (6) triggers the screw drive assembly (93) to drive the rotating screw (92) to rotate, and the rotating screw (92) drives the gear device (2) to move in a direction away from the other gear device (2), so that the metal chain (3) is tightened.

10. The chain tensioner device according to claim 9, characterized in that: The chain tightening base (91) is provided with a sliding guide hole (911) arranged along the length direction of the chain tightening base (91); the rotating screw rod (92) is inserted into the sliding guide hole (911) from the side wall of the chain tightening base (91) along the length direction of the sliding guide hole (911); the gear device (2) comprises a sliding base (21) inserted into the sliding guide hole (911) and threadedly matched with the rotating screw rod (92); and a gear body (22) connected to the bearing of the sliding base (21).

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