CN214092924U

CN214092924U - Tensioning mechanism of rotary cultivator

Info

Publication number: CN214092924U
Application number: CN202023341112.3U
Authority: CN
Inventors: 徐浩
Original assignee: Wuxi Songtianbao Machinery Technology Co ltd
Current assignee: Wuxi Songtianbao Machinery Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-31
Anticipated expiration: 2030-12-31

Abstract

The utility model provides a rotary cultivator straining device relates to straining device technical field, the utility model discloses a mount and adjusting device, the surface of mount is rotated and is connected with the take-up pulley body, one side fixedly connected with cylinder of take-up pulley body is kept away from to the mount, cylindrical surface sliding connection has the rectangular block, the inside of rectangular block is provided with first spring, first spring is located the cylindrical bottom, the surface of rectangular block is provided with adjusting device, adjusting device includes the connecting block, the holding tank has been seted up on the surface of connecting block. The utility model discloses, through setting up adjusting device, it is generally fixed to have solved traditional take-up pulley, and its position can not change, and after using the longer time, the inside first spring of take-up pulley can lose elasticity to make the take-up pulley can not be fine act on the belt, make the belt relax, generally need change the take-up pulley this moment, the problem of wasted time and material.

Description

Tensioning mechanism of rotary cultivator

Technical Field

The utility model relates to a straining device technical field especially relates to a rotary cultivator straining device.

Background

The power of the rotary cultivator is derived from an engine, the machine is operated through the engine and a belt pulley, a tension pulley is a follow-up pulley pressed on the belt for changing the wrap angle of the belt pulley or controlling the tension of the belt, and is a belt transmission tension device, and when the center distance of the belt cannot be adjusted, the tension pulley can be used for tensioning the belt.

The take-up pulley is generally located between two belt pulleys when using, and traditional take-up pulley is generally fixed, and its position can not change, and after using longer time, the inside first spring of take-up pulley probably loses elasticity to make the take-up pulley can not be fine act on the belt, make the belt relax, generally need change the take-up pulley this moment, waste time and material.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a tensioning mechanism of a rotary cultivator.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a tensioning mechanism of a rotary cultivator comprises a fixed frame and an adjusting device, wherein the surface of the fixed frame is rotationally connected with a tensioning wheel body, a cylinder is fixedly connected on one side of the fixing frame far away from the tension wheel body, the surface of the cylinder is connected with a long block in a sliding way, a first spring is arranged in the long block, the first spring is positioned at the bottom end of the cylinder, an adjusting device is arranged on the surface of the long block, the adjusting device comprises a connecting block, the surface of the connecting block is provided with an accommodating groove, the connecting block is connected with the long block in a sliding way by virtue of the accommodating groove, the long block is positioned in the accommodating groove, the bottom of the connecting block is rotatably inserted with a screw, the surface thread of the screw penetrates through the long block, the surface of the screw rod is slidably connected with a gear at the bottom of the connecting block, one side of the gear close to the connecting block is rotatably connected with a circular ring block, and the bottom of the connecting block is rotatably connected with two rotating rods.

Preferably, the surface of the circular ring block close to the rotating rod is provided with two clamping grooves matched with the rotating rod in size, and the circular ring block is clamped with the rotating rod by means of the two clamping grooves.

Preferably, the bottom of the connecting block is provided with a tooth groove matched with the size of the gear, and the gear is clamped with the connecting block by virtue of the tooth groove.

Preferably, one side of the circular ring block, which is far away from the gear, is fixedly connected with a second spring, one end of the second spring, which is far away from the circular ring block, is fixedly connected with the tooth groove, and the second spring is sleeved on the surface of the screw rod.

Preferably, one side of the limiting block close to the sliding groove is fixedly connected with a third spring, and one end of the third spring, far away from the limiting block, is fixedly connected with the sliding groove.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, through arranging the adjusting device, when the elasticity of the first spring is reduced during the use, the tensioning wheel body can be moved upwards to contact with the belt again, the action of the tensioning wheel body is exerted, at the moment, the gear is firstly pulled downwards, the gear and the ring block slide downwards on the surface of the screw rod, the two rotating rods are rotated into the clamping grooves of the ring block to fix the ring block, the gear is limited outside the tooth socket by the two rotating rods, at the moment, the gear is rotated, the gear and the ring block rotate, at the same time, the gear drives the screw rod to rotate, the holding tank limits the long block, the long block is vertically moved under the action of the screw rod, thereby the vertical position of the tensioning wheel body is adjusted by the movement of the long block, after the position of the tensioning wheel body is adjusted, the two rotating rods are rotated, the ring block and the gear are driven to slide upwards along the screw rod under the action of the second spring, make the gear be arranged in the tooth's socket once more, utilize the tooth's socket to restrict the gear, thereby restrict the screw rod, vibrations that take place when avoiding rotary cultivator work make the screw rod take place to rotate, the position through removing the take-up pulley reaches the purpose that the take-up pulley can the first spring elasticity of make full use of, it is general all fixed to have solved traditional take-up pulley, its position can not change, after using the longer time, the inside first spring of take-up pulley can lose elasticity, thereby make the not fine effect of take-up pulley on the belt, make the belt relax, generally need change the take-up pulley this moment, the problem of waste time and material.

2. The utility model discloses in, through setting up auxiliary device, when first spring needs to be changed, to the outside pulling pull ring, utilize the pull ring to remove the stopper, the restriction that the adapter sleeve did not have the stopper this moment can be followed and is drawn out in erecting the groove, then put the inside in erecting the groove with new first spring, insert the inside in erecting the groove once more with adapter sleeve and cylinder, loosen the pull ring, under the effect of third spring, the inside of stopper withdrawal spout, utilize the stopper to block the adapter sleeve, when avoiding the belt to break off suddenly, whole take-up pulley can pop out perpendicular groove under the effect of first spring, cause the problem of potential safety hazard.

Drawings

FIG. 1 is a schematic perspective view of a tensioning mechanism of a rotary cultivator according to the present invention;

FIG. 2 is a schematic view of a screw structure of a tensioning mechanism of a rotary cultivator according to the present invention;

FIG. 3 is a schematic view of a portion of an adjusting device of a tensioning mechanism of a rotary cultivator according to the present invention;

FIG. 4 is a side view of FIG. 3 of a tensioning mechanism of a rotary cultivator as provided in the present invention;

fig. 5 is the utility model provides an auxiliary device schematic diagram of a rotary cultivator straining device.

Illustration of the drawings: 1. a tension wheel body; 2. a fixed mount; 3. a cylinder; 4. a first spring; 5. a long block; 6. An adjustment device; 61. connecting blocks; 62. a screw; 63. a rotating rod; 64. a second spring; 65. a circular ring block; 66. A gear; 67. accommodating grooves; 68. a tooth socket; 69. a card slot; 7. an auxiliary device; 71. connecting sleeves; 72. a vertical slot; 73. a third spring; 74. a limiting block; 75. a pull ring; 76. a chute.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1-5, the utility model provides a rotary cultivator straining device, including mount 2 and adjusting device 6, the surface of mount 2 rotates and is connected with take-up pulley body 1, and one side fixedly connected with cylinder 3 that take-up pulley body 1 was kept away from to mount 2, and the sliding surface of cylinder 3 is connected with long piece 5, and the inside of long piece 5 is provided with first spring 4, and first spring 4 is located the bottom of cylinder 3.

The specific arrangement and function of the adjusting device 6 and the auxiliary device 7 will be described in detail below.

As shown in fig. 3 and 4, the surface of the long block 5 is provided with the adjusting device 6, the adjusting device 6 includes a connecting block 61, the surface of the connecting block 61 is provided with an accommodating groove 67, the connecting block 61 is slidably connected with the long block 5 by the accommodating groove 67, the long block 5 is located inside the accommodating groove 67, a screw 62 is rotatably inserted into the bottom of the connecting block 61, a surface thread of the screw 62 penetrates through the long block 5, a gear 66 is slidably connected to a position of the surface of the screw 62 at the bottom of the connecting block 61, one side of the gear 66 close to the connecting block 61 is rotatably connected with a circular block 65, the bottom of the connecting block 61 is rotatably connected with two rotating rods 63, the surface of the circular block 65 close to the rotating rod 63 is provided with two slots 69 matched with the size of the rotating rod 63, the circular block 65 is engaged with the rotating rod 63 by the two slots 69, the bottom of the connecting block 61 is provided with a tooth groove 68 matched with the size of the gear 66, the gear 66 is engaged with the connecting block 61 by the tooth groove 68, one side of the ring block 65, which is far away from the gear 66, is fixedly connected with a second spring 64, one end of the second spring 64, which is far away from the ring block 65, is fixedly connected with a toothed groove 68, the second spring 64 is sleeved on the surface of the screw rod 62, the gear 66 is firstly pulled downwards, the gear 66 and the ring block 65 slide downwards on the surface of the screw rod 62, the two rotating rods 63 are rotated into clamping grooves 69 of the ring block 65, the ring block 65 is fixed, the gear 66 is limited outside the toothed groove 68 by the two rotating rods 63, at the moment, the gear 66, the ring block 65 are rotated, the gear 66 drives the screw rod 62 to rotate, the accommodating groove 67 limits the long block 5, the long block 5 is enabled to move in the vertical direction under the action of the screw rod 62, so that the vertical position of the tensioning wheel body 1 is adjusted by the movement of the long block 5, after the position of the tensioning wheel body 1 is adjusted, the two rotating rods 63 are rotated open, the ring block 65 and the gear 66 are driven to slide upwards along the screw 62 under the action of the second spring 64, so that the gear 66 is positioned in the tooth groove 68 again, the gear 66 is limited by the tooth groove 68, the screw 62 is limited, the screw 62 is prevented from rotating due to vibration generated when the rotary cultivator works, and the purpose that the elastic force of the first spring 4 can be fully utilized by the tension wheel is achieved by moving the position of the tension wheel.

The whole adjusting device 6 has the effects that by arranging the adjusting device 6, when the elasticity of the first spring 4 is reduced during use, the tensioning wheel body 1 can be moved upwards, so that the tensioning wheel body 1 is contacted with a belt again, the action of the tensioning wheel body 1 is exerted, at the moment, the gear 66 is pulled downwards, the gear 66 and the ring block 65 slide downwards on the surface of the screw rod 62, the two rotating rods 63 are rotated into the clamping grooves 69 of the ring block 65, the ring block 65 is fixed, the gear 66 is limited outside the tooth grooves 68 by the two rotating rods 63, at the moment, the gear 66 and the ring block 65 are rotated, the gear 66 drives the screw rod 62 to rotate, the accommodating groove 67 limits the long block 5, so that the long block 5 is vertically moved under the action of the screw rod 62, and the vertical position of the tensioning wheel body 1 is adjusted by the movement of the long block 5, after adjusting the position of tensioning wheel body 1, turn two bull sticks 63 away, drive ring piece 65 and gear 66 upwards along screw rod 62 and slide under the effect of second spring 64, make gear 66 be arranged in tooth's socket 68 again, utilize tooth's socket 68 to restrict gear 66, thereby restrict screw rod 62, vibrations that take place when avoiding rotary cultivator work make screw rod 62 take place to rotate, reach the purpose that the tensioning wheel can make full use of first spring 4 elasticity through the position of removing the tensioning wheel, it is generally fixed to have solved traditional tensioning wheel, its position can not change, after using for a long time, the inside first spring 4 of tensioning wheel can lose elasticity, thereby make the tensioning wheel can not fine effect on the belt, make the belt relax, generally need change the tensioning wheel this moment, the problem of waste time and material.

As shown in fig. 1 and 5, the surface of the cylinder 3 is provided with an auxiliary device 7, the auxiliary device 7 includes a connecting sleeve 71, the surface of the connecting sleeve 71 is fixedly connected with the cylinder 3, the top of the long block 5 is provided with a vertical groove 72, the cylinder 3 is slidably connected with the connecting sleeve 71 and the vertical groove 72, the side wall of the long block 5 is provided with a sliding groove 76, the inside of the sliding groove 76 is slidably connected with a limit block 74, one side of the limit block 74 away from the long block 5 is fixedly connected with a pull ring 75, the limit block 74 is in a "U" shape, two arms of the limit block 74 slidably penetrate through the sliding groove 76, one side of the limit block 74 close to the sliding groove 76 is fixedly connected with a third spring 73, one end of the third spring 73 away from the limit block 74 is fixedly connected with the sliding groove 76, the pull ring 75 is pulled outwards, the limit block 74 is moved out by the pull ring 75, at this time, the connecting sleeve 71 can be pulled out from the vertical groove 72 without the limit of the limit block 74, and then a new first spring 4 is placed inside of the vertical groove 72, the connecting sleeve 71 and the column 3 are inserted into the vertical groove 72 again, the pull ring 75 is loosened, the limiting block 74 retracts into the sliding groove 76 under the action of the third spring 73, the connecting sleeve 71 is blocked by the limiting block 74, and the problem of potential safety hazards caused by the fact that the vertical groove 72 can be popped up by the whole tensioning wheel under the action of the first spring 4 when the belt is suddenly disconnected is avoided.

The effect that its whole auxiliary device 7 reaches does, through setting up auxiliary device 7, when first spring 4 needs to be changed, outside pulling pull ring 75, utilize pull ring 75 to remove stopper 74, at this moment, adapter sleeve 71 does not have the restriction of stopper 74 and can draw out from perpendicular groove 72, then put new first spring 4 in the inside of perpendicular groove 72, insert adapter sleeve 71 and cylinder 3 inside of perpendicular groove 72 once more, loosen pull ring 75, under the effect of third spring 73, stopper 74 retracts the inside of spout 76, utilize stopper 74 to block adapter sleeve 71, when avoiding the belt to break suddenly, whole take-up pulley can pop out perpendicular groove 72 under the effect of first spring 4, cause the problem of potential safety hazard.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a rotary cultivator straining device, includes mount (2) and adjusting device (6), the surface rotation of mount (2) is connected with take-up pulley body (1), one side fixedly connected with cylinder (3) of take-up pulley body (1) are kept away from in mount (2), the surperficial sliding connection of cylinder (3) has rectangular block (5), the inside of rectangular block (5) is provided with first spring (4), first spring (4) are located the bottom of cylinder (3), its characterized in that: the surface of rectangular piece (5) is provided with adjusting device (6), adjusting device (6) include connecting block (61), holding tank (67) have been seted up on the surface of connecting block (61), connecting block (61) are with the help of holding tank (67) and rectangular piece (5) sliding connection, rectangular piece (5) are located the inside of holding tank (67), the bottom of connecting block (61) is rotated and is inserted and is equipped with screw rod (62), the surperficial screw thread of screw rod (62) runs through rectangular piece (5), the position sliding connection that the surface of screw rod (62) is located connecting block (61) bottom has gear (66), one side rotation that gear (66) are close to connecting block (61) is connected with ring piece (65), the bottom rotation of connecting block (61) is connected with two bull sticks (63).

2. The tensioning mechanism of the rotary cultivator of claim 1, wherein: two clamping grooves (69) matched with the rotating rod (63) in size are formed in the surface, close to the rotating rod (63), of the circular ring block (65), and the circular ring block (65) is clamped with the rotating rod (63) through the two clamping grooves (69).

3. The tensioning mechanism of the rotary cultivator of claim 1, wherein: the bottom of the connecting block (61) is provided with a tooth groove (68) matched with the size of the gear (66), and the gear (66) is clamped with the connecting block (61) through the tooth groove (68).

4. The tensioning mechanism of the rotary cultivator of claim 1, wherein: one side of the circular ring block (65) far away from the gear (66) is fixedly connected with a second spring (64), one end of the second spring (64) far away from the circular ring block (65) is fixedly connected with the tooth groove (68), and the second spring (64) is sleeved on the surface of the screw rod (62).

5. The tensioning mechanism of the rotary cultivator of claim 1, wherein: the surface of cylinder (3) is provided with auxiliary device (7), auxiliary device (7) include adapter sleeve (71), the surface and cylinder (3) fixed connection of adapter sleeve (71), perpendicular groove (72) have been seted up at the top of rectangular block (5), cylinder (3) are with the help of adapter sleeve (71) and perpendicular groove (72) sliding connection, spout (76) have been seted up to the lateral wall of rectangular block (5), the inside sliding connection of spout (76) has stopper (74), one side fixedly connected with pull ring (75) of rectangular block (5) are kept away from in stopper (74), stopper (74) are "U" type structure, the both arms of stopper (74) slide and run through spout (76).

6. The tensioning mechanism of the rotary cultivator of claim 5, wherein: one side of the limiting block (74) close to the sliding groove (76) is fixedly connected with a third spring (73), and one end, far away from the limiting block (74), of the third spring (73) is fixedly connected with the sliding groove (76).