Generator belt tensioner assembly

Abstract

The application discloses a generator belt tensioner assembly and relates to the technical field of belt tensioning mechanisms.The generator belt tensioner assembly comprises a base and a belt, a tension sensor is installed on the belt, a connecting column is installed on the side of the base, a main mounting disc is installed on the end of the connecting column, a rotating ring is rotatably installed on the main mounting disc, a main mounting column is installed on the side of the rotating ring, and a telescopic rod is slidably installed in the main mounting column.The controller controls the clamping mechanism to release the limitation of the main mounting column, then the driving mechanism is started to drive the rotating ring to rotate, the main mounting column and the telescopic rod are driven to rotate, the position of the tensioning wheel is moved upward, the belt is compressed, when the tension sensor detects that the tension of the belt returns to the normal value, the clamping mechanism limits the main mounting column and the tensioning wheel from moving any more, the adjustment of the position of the tensioning wheel can be stably controlled, the tensioning wheel is conveniently limited, and errors are not prone to be generated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of belt tensioning mechanism, in particular to a generator belt tensioner assembly. BACKGROUND

[0002] Automobile belts will produce wear and tear when working continuously, and the wear and tear will aggravate the loosening of the belt, and the tension of the belt will also decrease, affecting the normal work of the engine system. The engine belt tensioner is the most important part of the engine timing system, and the accuracy of the timing directly affects the operation of the engine. Inaccurate timing can cause high gasoline consumption, power deficiency and knock failure of the automobile.

[0003] The existing generator belt tensioner assembly mostly drives the tensioning wheel to move through the rotation of the lead screw, thereby adjusting the tightness of the belt. However, in this adjustment method, the position of the tensioning wheel is controlled by the motor when driving the tensioning wheel to move, which makes the position adjustment of the tensioning wheel prone to errors. Therefore, we propose a generator belt tensioner assembly. SUMMARY

[0004] The purpose of the present application is to provide a generator belt tensioner assembly to solve the problem of the existing generator belt tensioner assembly in the background art, which mostly drives the tensioning wheel to move through the rotation of the lead screw and completely relies on the motor to control the position of the tensioning wheel, making the position adjustment of the tensioning wheel prone to errors.

[0005] To achieve the above purpose, the present application provides the following technical solution: a generator belt tensioner assembly, comprising a base and a belt, a tension sensor is installed on the belt, a connecting column is installed on the side of the base, a main mounting disc is installed on the end of the connecting column, a rotating ring is rotatably installed on the main mounting disc, a main mounting column is installed on the side of the rotating ring, a telescopic rod is slidably installed in the main mounting column, an elastic element is installed on the telescopic rod, a tensioning wheel is rotatably installed on the side of the telescopic rod, the tensioning wheel is in contact with the belt, a controller is installed on the side of the base, the tension sensor is connected with the controller, a driving mechanism is installed on the base for driving the rotating ring to rotate, and a clamping mechanism is installed on the main mounting disc for limiting the movement of the main mounting column.

[0006] By the above structure, when the tension sensor detects that the tension of the belt is less than the set value, the controller controls the clamping mechanism to release the limiting of the main mounting column, and then starts the driving mechanism to drive the rotating ring to rotate, drives the main mounting column and the telescopic rod to rotate, and moves the position of the tensioner upward to compress the belt. When the tension sensor detects that the tension of the belt returns to the normal value, the clamping mechanism limits the main mounting column and the tensioner from moving any more, so that the adjustment of the position of the tensioner can be stably controlled, the tensioner is conveniently limited, and errors are not easily generated

[0007] Preferably, the driving mechanism comprises a driving motor connected with the controller, a driving gear is installed on an output shaft of the driving motor, a rack is annularly installed on the rotating ring, and the driving gear is engaged with the rack.

[0008] Further, the driving motor is started to rotate, the rotating ring is driven to rotate through the driving gear and the rack, the main mounting column and the telescopic rod are driven to rotate, and the position of the tensioner is moved upward to compress the belt.

[0009] Preferably, the elastic element comprises a telescopic spring, a telescopic sliding groove is formed in one side of the main mounting column, the telescopic rod is slidingly installed in the telescopic sliding groove, the telescopic spring is installed in the telescopic sliding groove, one end of the telescopic spring is connected with the end of the telescopic rod, and the other end of the telescopic spring is connected with the inner side wall of the telescopic sliding groove.

[0010] Further, the telescopic spring provides pressure to the telescopic rod from the direction of the inner side wall of the telescopic sliding groove, and plays a certain buffering role when the tensioner contacts the belt.

[0011] Preferably, the clamping mechanism comprises a limiting wheel disc installed on the side of the main mounting disc, a positioning installation groove is formed in the side of the main mounting column close to the limiting wheel disc, a positioning clamping block is slidingly installed in the positioning installation groove, the positioning clamping block is matched with the limiting wheel disc, and a reset mechanism is installed on the positioning clamping block.

[0012] Further, when the limiting inserting rod enters the limiting insertion groove, the movement of the positioning clamping block is limited, the limiting wheel disc is clamped by the positioning clamping block, the main mounting column and the tensioner are limited from moving any more, and the adjustment of the position of the tensioner can be stably controlled.

[0013] Preferably, the reset mechanism comprises a reset spring installed in the positioning clamping block, one end of the reset spring is connected with the inner side wall of the positioning installation groove, the other end of the reset spring is connected with the side of the positioning clamping block, and a limiting mechanism for limiting the movement of the positioning clamping block is installed on the main mounting column.

[0014] Further, the inclined surface of the limiting wheel is pressed against the inclined surface of the positioning block when the rotating ring rotates, so that the positioning block moves into the positioning installation groove to avoid the limiting wheel. The positioning block reciprocates under the elastic force of the reset spring.

[0015] Preferably, the limiting mechanism comprises a limiting installation bin installed on the side of the main installation column, a limiting installation groove is formed in the limiting installation bin, a limiting plug is slidably installed in the limiting installation groove, a limiting slot is formed in the side of the positioning block, one end of the limiting plug extends through the side of the main installation column and into the limiting slot, and a control assembly is installed on the limiting plug.

[0016] Further, the control electromagnet is powered on to make the connecting block adsorbed on the electromagnet, so that the limiting plug is withdrawn from the limiting slot to release the limiting of the positioning block. The electromagnet is powered off, and the limiting plug is reset to clamp the positioning block under the elastic force of the pressure spring. Then the positioning block clamps the limiting wheel.

[0017] Preferably, the control assembly comprises an electromagnet connected with the controller, a magnet installation slot is formed in the inner side wall of the limiting installation groove, the electromagnet is installed on the inner side wall of the magnet installation slot, a connecting block is slidably installed in the magnet installation slot, the connecting block is matched with the electromagnet, the connecting block is connected with the side of the limiting plug, and a pressure element is installed on the limiting plug.

[0018] Further, the control electromagnet is powered on to make the connecting block adsorbed on the electromagnet, so that the limiting plug is withdrawn from the limiting slot to release the limiting of the positioning block. The electromagnet is powered off, and the limiting plug is reset to clamp the positioning block under the elastic force of the pressure spring.

[0019] Preferably, the pressure element comprises a pressure spring installed in the limiting installation groove, one end of the pressure spring is connected with the side of the limiting plug, and the other end of the pressure spring is connected with the inner side wall of the limiting installation groove.

[0020] Further, the pressure spring provides pressure to the limiting plug from the direction of the inner side wall of the limiting installation groove. When the electromagnet is powered off, the limiting plug is reset to clamp the positioning block under the elastic force of the pressure spring, so that the positioning block clamps the limiting wheel to limit the movement of the main installation column and the tensioning wheel.

[0021] Preferably, a stop block is installed on the side of the main installation disc, a contact switch is installed on the stop block, the contact switch is connected with the controller, an L-shaped rod is installed on the side of the main installation column, and the L-shaped rod is matched with the contact switch.

[0022] Further, through the setting of the block and the L-shaped rod, when the tensioning wheel rises to the highest point, the block will block the L-shaped rod, limit the device from moving, and the contact switch will transmit a signal to the controller.

[0023] Preferably, the side of the main mounting disc is annularly provided with a sliding groove, and two sliding blocks are slidingly installed in the sliding groove and connected to the rotating ring.

[0024] Further, through the setting of the two sliding blocks, the rotating ring is prevented from falling off the main mounting disc during rotation, and the stability of the device is enhanced.

[0025] Preferably, an adjusting mechanism for adjusting the shortest distance between the L-shaped rod and the block is installed between the main mounting column and the L-shaped rod, and the shortest distance will not change after the L-shaped rod touches the block; the adjusting mechanism comprises a ratchet groove and an anti-falling groove sequentially formed on one side of the main mounting column close to the L-shaped rod, and a rotating shaft rod and an anti-falling block sequentially and fixedly connected to one side of the L-shaped rod close to the main mounting column, the anti-falling block is rotationally connected in the anti-falling groove, the rotating shaft rod is located in the ratchet groove, and the side wall of the rotating shaft rod is provided with a groove and rotationally connected with a pawl and a contact piece in the groove, and the pawl is in contact with the groove wall of the ratchet groove through the pressing of the contact piece.

[0026] Further, through the setting of the ratchet groove, the pawl and the like, the movement direction of the L-shaped rod is controlled to be close to the block, so that the shortest distance between the L-shaped rod and the block can be adjusted, and when the shortest distance is adjusted, the L-shaped rod will be blocked by the block when the tensioning wheel rises to the highest point during use, and due to the setting direction of the ratchet groove, the L-shaped rod will not be affected by the reaction force of the block, thereby achieving the purpose of self-adjusting the distance to the highest point according to actual requirements before use.

[0027] In summary, the technical effects and advantages of the present application are as follows:

[0028] 1. In the present application, when the tension sensor detects that the tension of the belt is less than the set value, the controller controls the clamping mechanism to release the limitation of the main mounting column, and then starts the driving mechanism to drive the rotating ring to rotate, drives the main mounting column and the telescopic rod to rotate, and makes the position of the tensioning wheel move upward to press the belt, and when the tension sensor detects that the tension of the belt returns to the normal value, the clamping mechanism limits the main mounting column and the tensioning wheel from moving, so that the adjustment of the position of the tensioning wheel can be stably controlled, the tensioning wheel is conveniently limited, and errors are not easily generated.

[0029] 2、The controller controls the energization of the electromagnet in the application, so that the connecting block is adsorbed on the electromagnet, the limiting plug rod is driven out from the limiting slot, the limiting of the positioning block is released, then the driving motor can be started to rotate, the main mounting column and the telescopic rod are driven to rotate, the position of the tensioning wheel is moved up, the limiting plug rod is reset to clamp the positioning block under the elastic force of the pressure spring after the electromagnet is de-energized, and then the positioning block clamps the limiting wheel disc, so that the main mounting column and the tensioning wheel are limited from moving any more.

[0030] 3、In the application, the telescopic spring provides pressure from the inside wall direction of the telescopic sliding groove for the telescopic rod, when the tensioning wheel contacts the belt, a certain buffering effect is achieved, when the tensioning wheel rises to the highest point, the stopper clamps the L-shaped rod, the device is limited from moving any more, and the contact switch transmits a signal to the controller, the two sliding blocks are arranged to avoid the rotating ring from falling off the main mounting disc during rotation, and the stability of the device is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the description of the embodiments or the prior art will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0032] Figure 1 It is a front view structural schematic diagram of the generator belt tensioner assembly in the embodiment of the present application.

[0033] Figure 2 It is a partial three-dimensional structural schematic diagram of the base area in the embodiment of the present application.

[0034] Figure 3 It is a partial three-dimensional structural schematic diagram of the stopper and L-shaped rod area in the embodiment of the present application.

[0035] Figure 4 It is a partial sectional view structural schematic diagram of the main mounting column area in the embodiment of the present application.

[0036] Figure 5 It is a partial sectional view structural schematic diagram of the limiting mechanism area in the embodiment of the present application.

[0037] Figure 6 It is a partial sectional view structural schematic diagram of the main mounting disc and rotating ring area in the embodiment of the present application.

[0038] Figure 7 It is a partial sectional view structural schematic diagram of the adjusting mechanism in the embodiment of the present application.

[0039] In the figure: 1, base; 2, belt; 3, tension sensor; 4, connecting column; 5, main mounting disc; 6, rotating ring; 7, driving gear; 8, limiting wheel disc; 9, controller; 10, main mounting column; 11, telescopic rod; 12, tensioning wheel; 13, limiting mounting bin; 14, L-shaped rod; 15, driving motor; 16, stop block; 17, contact switch; 18, telescopic sliding groove; 19, telescopic spring; 20, positioning mounting groove; 21, positioning clamping block; 22, reset spring; 23, limiting slot; 24, limiting mounting groove; 25, limiting plug; 26, pressure spring; 27, electromagnet; 28, magnet mounting groove; 29, connecting block; 30, sliding block; 31, rack; 32, ratchet groove; 33, anti-dropping block; 34, groove; 35, rotating shaft rod; 36, pawl; 37, abutting piece. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0041] Embodiment: Reference Figures 1-7 The generator belt tensioner assembly shown includes a base 1 and a belt 2, the belt 2 is provided with a tension sensor 3, the side of the base 1 is provided with a connecting column 4, the end of the connecting column 4 is provided with a main mounting disc 5, the main mounting disc 5 is rotatably provided with a rotating ring 6, the side of the rotating ring 6 is provided with a main mounting column 10, the main mounting column 10 is slidably provided with a telescopic rod 11, the telescopic rod 11 is provided with an elastic element, the side of the telescopic rod 11 is rotatably provided with a tensioning wheel 12, the tensioning wheel 12 is in contact with the belt 2, the side of the base 1 is provided with a controller 9, the tension sensor 3 is connected with the controller 9, the base 1 is provided with a driving mechanism for driving the rotating ring 6 to rotate, the main mounting disc 5 is provided with a clamping mechanism for limiting the movement of the main mounting column 10.

[0042] Through the above structure, when the tension sensor 3 detects that the tension of the belt 2 is less than the set value during use, the controller 9 controls the clamping mechanism to release the limiting of the main mounting column 10, then the driving mechanism is started to drive the rotating ring 6 to rotate, which drives the main mounting column 10 and the telescopic rod 11 to rotate, so that the position of the tensioning wheel 12 is moved upward to press the belt 2, when the tension sensor 3 detects that the tension of the belt 2 returns to the normal value, the clamping mechanism limits the main mounting column 10 and the tensioning wheel 12 from moving any more, so that the adjustment of the position of the tensioning wheel 12 can be stably controlled, which is convenient for limiting the tensioning wheel 12 and is not easy to produce errors.

[0043] The driving mechanism comprises a driving motor 15 connected with the controller 9, a driving gear 7 is installed on an output shaft of the driving motor 15, a rack 31 is annularly installed on the rotating ring 6, and the driving gear 7 is engaged with the rack 31. The driving motor 15 is started to rotate, the rotating ring 6 is driven to rotate through the driving gear 7 and the rack 31, the main mounting column 10 and the telescopic rod 11 are driven to rotate, and the position of the tensioning wheel 12 is moved upward to compress the belt 2.

[0044] The elastic element comprises a telescopic spring 19, a telescopic sliding groove 18 is formed on one side of the main mounting column 10, the telescopic rod 11 is slidingly installed in the telescopic sliding groove 18, the telescopic spring 19 is installed in the telescopic sliding groove 18, one end of the telescopic spring 19 is connected with the end of the telescopic rod 11, and the other end of the telescopic spring 19 is connected with the inner side wall of the telescopic sliding groove 18. The telescopic spring 19 provides pressure to the telescopic rod 11 from the inner side wall of the telescopic sliding groove 18, and when the tensioning wheel 12 contacts the belt 2, the telescopic spring 19 has a certain buffering effect.

[0045] The clamping mechanism comprises a limiting wheel disc 8 installed on the side of the main mounting disc 5, a positioning installation groove 20 is formed on the side of the main mounting column 10 close to the limiting wheel disc 8, a positioning clamping block 21 is slidingly installed in the positioning installation groove 20, the positioning clamping block 21 is matched with the limiting wheel disc 8, and a reset mechanism is installed on the positioning clamping block 21. The reset mechanism comprises a reset spring 22 installed in the positioning clamping block 21, one end of the reset spring 22 is connected with the inner side wall of the positioning installation groove 20, the other end of the reset spring 22 is connected with the side of the positioning clamping block 21, and a limiting mechanism for limiting the movement of the positioning clamping block 21 is installed on the main mounting column 10. When the rotating ring 6 rotates, the inclined surface of the limiting wheel disc 8 extrudes the inclined surface of the positioning clamping block 21, the positioning clamping block 21 moves into the positioning installation groove 20 for avoidance, and the positioning clamping block 21 reciprocates under the elastic force of the reset spring 22, when the limiting insertion rod 25 enters the limiting insertion groove 23, the movement of the positioning clamping block 21 is limited, the limiting wheel disc 8 is clamped by the positioning clamping block 21, and the limiting is achieved.

[0046] The limiting mechanism comprises a limiting installation bin 13 installed on the side of the main installation column 10, a limiting installation groove 24 is formed in the limiting installation bin 13, a limiting plug 25 is slidingly installed in the limiting installation groove 24, a limiting slot 23 is formed in the side of the positioning clamping block 21, one end of the limiting plug 25 penetrates through the side of the main installation column 10 and extends into the limiting slot 23, and a control assembly is installed on the limiting plug 25. The control assembly comprises an electromagnet 27 connected with the controller 9, a magnet installation groove 28 is formed in the inner side wall of the limiting installation groove 24, the electromagnet 27 is installed on the inner side wall of the magnet installation groove 28, a connecting block 29 is slidingly installed in the magnet installation groove 28, the connecting block 29 is matched with the electromagnet 27, the connecting block 29 is connected with the side of the limiting plug 25, and a pressure element is installed on the limiting plug 25. The controller 9 controls the electromagnet 27 to be electrified, the connecting block 29 is adsorbed on the electromagnet 27, the limiting plug 25 is driven to exit from the limiting slot 23, the limiting of the positioning clamping block 21 is released, then the driving motor 15 can be started to rotate, the main installation column 10 and the telescopic rod 11 are driven to rotate, the position of the tensioning wheel 12 is moved upwards, the limiting plug 25 is reset to clamp the positioning clamping block 21 under the elastic force of the pressure spring 26 after the electromagnet 27 is de-energized, the positioning clamping block 21 is clamped, the limiting wheel disc 8 is clamped through the positioning clamping block 21, and the main installation column 10 and the tensioning wheel 12 are limited from moving any more.

[0047] The pressure element comprises a pressure spring 26 installed in the limiting installation groove 24, one end of the pressure spring 26 is connected with the side of the limiting plug 25, and the other end of the pressure spring 26 is connected with the inner side wall of the limiting installation groove 24. Through the setting of the pressure spring 26, the limiting plug 25 is provided with pressure from the direction of the inner side wall of the limiting installation groove 24, the limiting plug 25 is reset to clamp the positioning clamping block 21 under the elastic force of the pressure spring 26 after the electromagnet 27 is de-energized, the positioning clamping block 21 is clamped, the limiting wheel disc 8 is clamped through the positioning clamping block 21, and the main installation column 10 and the tensioning wheel 12 are limited from moving any more.

[0048] A stop block 16 is installed on the side of the main installation disc 5, a contact switch 17 is installed on the stop block 16, the contact switch 17 is connected with the controller 9, an L-shaped rod 14 is installed on the side of the main installation column 10, and the L-shaped rod 14 is matched with the contact switch 17. Through the setting of the stop block 16 and the L-shaped rod 14, when the tensioning wheel 12 rises to the highest point, the stop block 16 blocks the L-shaped rod 14, the device is limited from moving any more, and the contact switch 17 transmits a signal to the controller 9.

[0049] A sliding groove is annularly formed in the side of the main installation disc 5, two sliding blocks 30 are slidingly installed in the sliding groove, and the two sliding blocks 30 are connected with the rotating ring 6. Through the setting of the two sliding blocks 30, the rotating ring 6 is prevented from falling off the main installation disc 5 during rotation, and the stability of the device is enhanced.

[0050] Referring to Figure 7 , the main mounting column 10 and the L-shaped rod 14 are provided with an adjusting mechanism for adjusting the shortest distance between the L-shaped rod 14 and the stop block 16; the adjusting mechanism comprises a ratchet groove 32 and an anti-falling groove 361 which are sequentially formed on the side of the main mounting column 10 close to the L-shaped rod 14, and a rotating shaft rod 35 and an anti-falling block 33 which are sequentially fixedly connected on the side of the L-shaped rod 14 close to the main mounting column 10, the anti-falling block 33 is rotationally connected in the anti-falling groove 361, the rotating shaft rod 35 is located in the ratchet groove 32, and the side wall of the rotating shaft rod 35 is provided with a groove 34 and a ratchet pawl 36 and an abutting piece 37 are rotationally connected in the groove 34, the ratchet pawl 36 is abutted and contacted with the groove wall of the ratchet groove 32 through the abutting of the abutting piece 37, and the groove of the ratchet groove 32 is designed so that the ratchet pawl can only rotate in the clockwise direction, that is, the L-shaped rod 14 can only rotate towards the direction close to the stop block 16, so as to change the shortest distance, so as to adjust the distance of the tensioner 12 rising to the highest point according to different actual needs, and of course, due to the setting of these ratchet grooves and the like, even if the tensioner 12 reaches the highest point, the L-shaped rod 14 will not rotate back due to the reaction force of the stop block 16. The length of the L-shaped rod 14 is sufficient to contact the stop block 16 under the condition of changing the shortest distance.

[0051] The base 1 needs to control the distance between the base 1 and the belt 2 during actual installation, so as to ensure that the tensioner 12 can adjust the belt 2 when the tensioning force of the belt 2 is insufficient, and the distance from the highest point can also be adjusted through the adjusting mechanism, so as to adjust the maximum degree of the tensioning force of the belt 2 being adjusted by the tensioner 12, so as to avoid excessive tensioning force and improve the actual application range of the tensioner assembly.

[0052] The working principle of the present application is as follows:

[0053] In use, when the tension sensor 3 detects that the tension of the belt 2 is less than the set value, the controller 9 controls the electromagnet 27 to be electrified, so that the connecting block 29 is adsorbed on the electromagnet 27, the limiting plug rod 25 is withdrawn from the limiting plug groove 23 to release the limiting of the positioning block 21, and then the driving motor 15 is started to rotate, the rotating ring 6 is driven to rotate through the driving gear 7 and the rack 31, the main mounting column 10 and the telescopic rod 11 are rotated, the position of the tensioner 12 is moved upward, and the belt 2 is compressed, when the tension sensor 3 detects that the tension of the belt 2 returns to the normal value, the controller 9 controls the driving motor 15 to be turned off and the electromagnet 27 to be de-energized, the limiting plug rod 25 is reset to clamp the positioning block 21 under the elastic force of the pressure spring 26, and then the positioning block 21 clamps the limiting wheel disc 8, so that the main mounting column 10 and the tensioner 12 are limited from moving any more, the adjustment of the position of the tensioner 12 can be stably controlled, the tensioner 12 is limited, and errors are not easy to occur.

[0054] When the rotating ring 6 rotates, the inclined surface of the limiting wheel disc 8 extrudes the inclined surface of the positioning block 21, causing the positioning block 21 to move into the positioning installation groove 20 to avoid, and under the elastic force of the reset spring 22, the positioning block 21 reciprocates, when the limiting plug 25 enters the limiting slot 23, the movement of the positioning block 21 is limited, and then the positioning block 21 clamps the limiting wheel disc 8 to limit, through the setting of the stop block 16 and the L-shaped rod 14, when the tensioning wheel 12 rises to the highest point, the stop block 16 will block the L-shaped rod 14, and the limiting device will not move any more, at the same time, the contact switch 17 will transmit the signal to the controller 9, through the setting of the telescopic spring 19, the telescopic rod 11 is provided with the pressure from the inner side wall direction of the telescopic sliding groove 18, when the tensioning wheel 12 contacts the belt 2, it plays a certain buffering role, through the setting of the two sliding blocks 30, the rotating ring 6 is prevented from falling off from the main installation disc 5 when rotating, and the stability of the device is enhanced.

[0055] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A generator belt tensioner assembly comprising a base (1) and a belt (2), characterized in that: The belt (2) is provided with a tension sensor (3), the side of the base (1) is provided with a connecting column (4), the end of the connecting column (4) is provided with a main mounting disc (5), the main mounting disc (5) is rotatably provided with a rotating ring (6), the side of the rotating ring (6) is provided with a main mounting column (10), the main mounting column (10) is slidably provided with an expansion rod (11), the expansion rod (11) is provided with an elastic element, the side of the expansion rod (11) is rotatably provided with a tensioner (12), the tensioner (12) is in contact with the belt (2), the side of the base (1) is provided with a controller (9), the tension sensor (3) is connected with the controller (9), the base (1) is provided with a driving mechanism for driving the rotating ring (6) to rotate, and the main mounting disc (5) is provided with a clamping mechanism for limiting the movement of the main mounting column (10); The clamping mechanism comprises a limiting wheel disc (8), the limiting wheel disc (8) is installed on the side of the main mounting disc (5), the side of the main mounting column (10) close to the limiting wheel disc (8) is provided with a positioning installation groove (20), the positioning installation groove (20) is slidably provided with a positioning clamping block (21), the positioning clamping block (21) is matched with the limiting wheel disc (8), and the positioning clamping block (21) is provided with a reset mechanism; The reset mechanism comprises a reset spring (22), the reset spring (22) is installed in the positioning clamping block (21), one end of the reset spring (22) is connected with the inner side wall of the positioning installation groove (20), the other end of the reset spring (22) is connected with the side of the positioning clamping block (21), and the main mounting column (10) is provided with a limiting mechanism for limiting the movement of the positioning clamping block (21); The limiting mechanism comprises a limiting installation bin (13), the limiting installation bin (13) is installed on the side of the main mounting column (10), the limiting installation bin (13) is provided with a limiting installation groove (24) in the inside, the limiting installation groove (24) is slidably provided with a limiting plug rod (25), the side of the positioning clamping block (21) is provided with a limiting plug groove (23), one end of the limiting plug rod (25) penetrates through the side of the main mounting column (10) and extends into the limiting plug groove (23), and the limiting plug rod (25) is provided with a control assembly; The side of the main mounting disc (5) is provided with a stop block (16), the stop block (16) is provided with a contact switch (17), the contact switch (17) is connected with the controller (9), the side of the main mounting column (10) is provided with an L-shaped rod (14), and the L-shaped rod (14) is matched with the contact switch (17). The shortest distance between the L-shaped rod (14) and the stop block (16) is adjusted by an adjusting mechanism installed between the main mounting column (10) and the L-shaped rod (14), and the shortest distance does not change after the L-shaped rod (14) touches the stop block (16); the adjusting mechanism comprises a ratchet groove (32) and an anti-dropping groove (361) sequentially formed on the side of the main mounting column (10) close to the L-shaped rod (14), and a rotating shaft rod (35) and an anti-dropping block (33) sequentially and fixedly connected on the side of the L-shaped rod (14) close to the main mounting column (10), the anti-dropping block (33) is rotatably connected in the anti-dropping groove (361), the rotating shaft rod (35) is located in the ratchet groove (32), and the side wall of the rotating shaft rod (35) is provided with a groove (34) and rotatably connected with a ratchet pawl (36) and a contact piece (37) in the groove (34), the ratchet pawl (36) is in contact with the groove wall of the ratchet groove (32) through the pressing of the contact piece (37).

2. The generator belt tensioner assembly of claim 1, wherein: The driving mechanism comprises a driving motor (15), the driving motor (15) is connected with the controller (9), a driving gear (7) is installed on the output shaft of the driving motor (15), a rack (31) is annularly installed on the rotating ring (6), and the driving gear (7) is engaged with the rack (31).

3. The generator belt tensioner assembly of claim 1, wherein: The elastic element comprises a telescopic spring (19), one side of the main mounting column (10) is provided with a telescopic sliding groove (18), the telescopic rod (11) is slidingly installed in the telescopic sliding groove (18), the telescopic spring (19) is installed in the telescopic sliding groove (18), one end of the telescopic spring (19) is connected with the end of the telescopic rod (11), and the other end of the telescopic spring (19) is connected with the inner side wall of the telescopic sliding groove (18).

4. The generator belt tensioner assembly of claim 1, wherein: The control assembly comprises an electromagnet (27), the electromagnet (27) is connected with the controller (9), a magnet installation groove (28) is formed in the inner side wall of the limiting installation groove (24), the electromagnet (27) is installed on the inner side wall of the magnet installation groove (28), a connecting block (29) is slidingly installed in the magnet installation groove (28), the connecting block (29) is matched with the electromagnet (27), the connecting block (29) is connected with the side of the limiting insertion rod (25), and a pressure element is installed on the limiting insertion rod (25).

5. The generator belt tensioner assembly of claim 4, wherein: The pressure element comprises a pressure spring (26), the pressure spring (26) is installed in the limiting installation groove (24), one end of the pressure spring (26) is connected with the side of the limiting insertion rod (25), and the other end of the pressure spring (26) is connected with the inner side wall of the limiting installation groove (24).

Images