Infinitely variable speed electric control adjusting mechanism of combine harvester fan

Abstract

The utility model discloses a stepless speed change electric control adjusting mechanism of a combine harvester fan, which belongs to the technical field of agricultural equipment and comprises a first connecting plate and a second connecting plate which are arranged at a certain interval, the first connecting plate is connected onto a frame through a bolt, and a long connecting sleeve is arranged between the first connecting plate and the second connecting plate. A screw rod rotates in the long connecting sleeve, the screw rod extends in the direction away from the first connecting plate, the second connecting plate is connected with a driving motor with a driving gear, the screw rod is connected with a driven large gear, and the driving small gear can be meshed with the driven large gear to drive the screw rod to rotate; the outer side of a driving disc of the stepless speed change wheel is connected with a speed regulation frame through a release bearing, one end of the speed regulation frame is hinged with a fixing plate, the fixing plate is fixed on the frame, the other end of the speed regulation frame is hinged with a sliding block through a connecting rod, and the sliding block is screwed on the screw rod. The rotating speed of the fan can be automatically adjusted by means of the motor and a related transmission structure, and control is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery equipment technical field, concretely relates to a combine harvester fan stepless speed regulation electric control adjusting mechanism. BACKGROUND

[0002] The air volume regulation of the combine harvester fan is very important, which can guarantee the screening of wheat or grain, and the air volume required by different crops is different.

[0003] At present, the adjustment of the air volume is that one person observes the fan rotating speed displayed on the display screen in the cab after the harvester is started, and another person adjusts the adjusting bolt of the stepless dynamic disc of the fan by using a wrench beside the harvester fan, although the adjustment of the air volume of the fan can be achieved, but the adjustment and operation in the actual use process need interactive communication, and the adjustment is dangerous and complicated, and the adjustment is time-consuming and laborious.

[0004] In view of the above problems, the utility model designs and manufactures a combine harvester fan stepless speed regulation electric control adjusting mechanism to overcome the above defects. UTILITY MODEL CONTENTS

[0005] For the problems existing in the prior art, the combine harvester fan stepless speed regulation electric control adjusting mechanism provided by the utility model can realize the adjustment of the fan rotating speed with the help of the motor and the related transmission structure, and the control is convenient, and the automation degree is greatly improved.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme: a combine harvester fan stepless speed regulation electric control adjusting mechanism, comprising first connecting plate and second connecting plate with a certain interval, the first connecting plate is connected on the frame through the bolt, the first connecting plate two sides are connected with the second connecting plate through the third connecting plate and the fourth connecting plate respectively;

[0007] Long connecting sleeve is arranged between the first connecting plate and the second connecting plate, the screw rod is rotatably arranged in the long connecting sleeve, the screw rod extends away from the first connecting plate, the second connecting plate is connected with the driving motor away from the first connecting plate, the driving motor is connected with the driving pinion, the screw rod is connected with the driven gear, the driving pinion can mesh with the driven gear to drive the screw rod to rotate;

[0008] It further comprises a stepless speed regulation wheel, the driving disc outside of the stepless speed regulation wheel is connected with the speed regulating frame through the separation bearing, one end of the speed regulating frame is hinged with the fixed plate, the fixed plate is fixed on the frame, the other end of the speed regulating frame is hinged with the connecting rod, the other end of the connecting rod is hinged with the sliding block, and the sliding block is screwed on the screw rod.

[0009] Preferably, the first connecting plate and the third connecting plate are integrally formed, the second connecting plate and the fourth connecting plate are integrally formed, the third connecting plate is welded with the second connecting plate, and the second connecting plate is welded with the first connecting plate.

[0010] Preferably, the long connecting sleeve is fixed at one end of the first connecting plate, bearings are arranged at both ends of the long connecting sleeve, and the end of the screw rod is rotationally connected with the long connecting sleeve through the bearings.

[0011] Preferably, an oil injection threaded hole penetrating through the side wall is arranged on the side wall of the long connecting sleeve at a middle position, and a plugging screw can be screwed in the oil injection threaded hole.

[0012] Preferably, a limiting nut is screwed on the screw rod between the sliding block and the second connecting plate.

[0013] Preferably, a rotating nut is fixed at an end of the screw rod away from the long connecting sleeve, and the screw rod can be rotated by rotating the rotating nut.

[0014] Preferably, the speed regulating frame comprises two symmetrical speed regulating plates, and the distance between the two speed regulating plates is the widest at the position of the separating bearing and is located on both sides of the separating bearing, respectively.

[0015] Preferably, the driving motor can be forward and reverse rotated.

[0016] Preferably, the utility model further comprises a control module connected with the driving motor.

[0017] The utility model has the advantages of:

[0018] 1. The utility model utilizes the long connecting sleeve to ensure the stability of the screw rod, thereby ensuring the stability of the sliding block on the screw rod when moving the speed regulating frame, ensuring the accuracy of speed regulation, and directly adjusting the fan through the driving motor and the corresponding transmission structure, so that the harvester driver can easily adjust the air volume of the harvester in the cab, facilitating the operation of the harvesting operation and reducing the redundant operation of the harvester driver, and increasing the efficiency of harvesting and operation.

[0019] 2. The utility model utilizes the first connecting plate and the second connecting plate with a certain distance to ensure the installation position of the long connecting sleeve, thereby ensuring the support strength of the screw rod, and further utilizing the third connecting plate and the fourth connecting plate to ensure the stability of the second connecting plate, so that the driving motor can be stably connected to the second connecting plate.

[0020] 3. The long connecting sleeve is provided with corresponding oil injection threaded holes, which ensures the service life of the rotation connection between the screw rod and the long connecting sleeve.

[0021] 4. The position of the speed regulating frame can be limited by the limit nut, thereby limiting the speed of the fan. Rotating the nut can assist in adjusting the rotation of the screw. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of a continuously variable electric control adjustment mechanism for a combine harvester fan;

[0023] Figure 2 This is a partial structural schematic diagram of the present invention;

[0024] Figure 3 This is a partial top view of the structure of this utility model;

[0025] Figure 4 This is a side view of the present invention after removing the fan and part of the transmission structure;

[0026] Figure 5 This is the front view of the present invention after removing the fan and part of the transmission structure.

[0027] In the diagram: 1-fan, 2-second connecting plate, 3-drive motor, 4-driven large gear, 5-drive disc, 6-separation bearing, 7-speed regulating frame, 8-fixed plate, 9-drive pinion, 10-first connecting plate, 11-third connecting plate, 12-fourth connecting plate, 13-long connecting sleeve, 14-oil injection threaded hole, 15-screw, 16-limit nut, 17-rotating nut, 18-slider, 19-connecting rod, 71-speed regulating plate. Detailed Implementation

[0028] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0029] like Figures 1 to 5 As shown, a continuously variable electric control adjustment mechanism for a combine harvester fan includes a first connecting plate 10 and a second connecting plate 2 with a certain distance between them. The first connecting plate 10 is bolted to the frame. The two sides of the first connecting plate 10 are connected to the second connecting plate 2 through a third connecting plate 11 and a fourth connecting plate 12, respectively, to ensure the stability of the second connecting plate 2.

[0030] The first connecting plate 10 and the third connecting plate 11 of this utility model are preferably integrally formed, the second connecting plate 2 and the fourth connecting plate 12 are preferably integrally formed, the third connecting plate 11 is welded to the second connecting plate 2, and the second connecting plate 2 is welded to the first connecting plate 10.

[0031] A long connecting sleeve 13 is arranged between the first connecting plate 10 and the second connecting plate 2, a screw rod 15 is rotatably arranged in the long connecting sleeve 13, and the screw rod 15 extends away from the first connecting plate 10, the utility model utilizes the first connecting plate 10 and the second connecting plate 2 with a certain interval to ensure the installation position of the long connecting sleeve 13, thereby ensuring the supporting strength of the screw rod 15.

[0032] The second connecting plate 2 is connected with a driving motor 3 away from the first connecting plate 10, the driving motor 3 can be reversely rotated, a driving pinion 9 is connected with the driving motor 3, a driven gear 4 is connected with the screw rod 15, and the driving pinion 9 can mesh with the driven gear 4 to drive the screw rod 15 to rotate.

[0033] The utility model also comprises a stepless speed change wheel, a speed adjusting frame 7 is connected with the driving pinion 9 through a separation bearing 6 outside the driving disc 5 of the stepless speed change wheel, one end of the speed adjusting frame 7 is hingedly connected with a fixed plate 8, the fixed plate 8 is fixed on a vehicle frame, the other end of the speed adjusting frame 7 is hingedly connected with a connecting rod 19, and the specific hinged position is located at one end of the connecting rod 19; the other end of the connecting rod 19 is hingedly connected with a sliding block 18, and the sliding block 18 is screwed on the screw rod 15; when the screw rod 15 rotates, the sliding block 18 can move on the screw rod 15.

[0034] Since the fan 1 is directly adjusted to rotate by the driving motor 3 and the corresponding transmission structure, the driver of the harvester can easily realize the adjustment of the air volume of the harvester in the cab, which facilitates the operation of the harvesting operation and reduces the redundant operation of the driver of the harvester, and increases the efficiency of the harvesting and operation.

[0035] One end of the long connecting sleeve 13 is fixed on the first connecting plate 10, bearings are arranged at both ends in the long connecting sleeve 13, the end of the screw rod 15 is rotatably connected with the long connecting sleeve 13 through the bearings, an oil injection threaded hole 14 penetrating through the side wall is preferably arranged on the side wall at the middle position of the long connecting sleeve 13, a plugging screw can be screwed in the oil injection threaded hole 14, lubricating oil or grease is injected through the oil injection threaded hole 14, and the service life of the rotatable connection between the screw rod 15 and the long connecting sleeve 13 is ensured.

[0036] A limiting nut 16 is screwed on the screw rod 15 between the sliding block 18 and the second connecting plate 2, the position of the speed adjusting frame 7 is limited by the limiting nut 16, and the limit value of the rotating speed of the fan 1 is limited.

[0037] The speed regulating frame 7 specifically comprises two symmetrical speed regulating plates 71, the interval of the two speed regulating plates 71 is the widest at the position of the release bearing 6 and the two speed regulating plates 71 are respectively located at the two sides of the release bearing 6, two rotating pins are symmetrically arranged at the outer two sides of the release bearing 6 and are rotationally connected with the two speed regulating plates 71, so that when the speed regulating plates 71 move, the release bearing 6 can also swing to adapt to the adjustment.

[0038] It should be understood that the use of these embodiments is only for the purpose of illustrating the present application and is not intended to limit the scope of protection of the present application. In addition, it should also be understood that after reading the technical content of the present application, those skilled in the art can make various modifications, modifications and / or variations to the present application, and all these equivalent forms also fall within the protection scope defined by the claims attached to the present application.

Claims

1. A combine harvester fan infinitely variable electrically controlled regulating mechanism, characterized by, Including with certain spacing first connecting plate (10) and second connecting plate (2), the first connecting plate (10) is connected on the frame by bolt, the first connecting plate (10) both sides are connected with second connecting plate (2) through third connecting plate (11) and fourth connecting plate (12) respectively; The long connecting sleeve (13) is arranged between the first connecting plate (10) and the second connecting plate (2), the screw rod (15) is rotatably arranged in the long connecting sleeve (13), the screw rod (15) extends away from the first connecting plate (10), the second connecting plate (2) is connected with the driving motor (3) away from the first connecting plate (10), the driving motor (3) is connected with the driving pinion (9), the screw rod (15) is connected with the driven gear (4), the driving pinion (9) can mesh with the driven gear (4) to drive the screw rod (15) to rotate. It also includes a continuously variable speed wheel, the driving disc (5) of the continuously variable speed wheel is connected with the speed regulating frame (7) through the separating bearing (6) on the outside, one end of the speed regulating frame (7) is hinged with the fixed plate (8), the fixed plate (8) is fixed on the frame, the other end of the speed regulating frame (7) is hinged with the connecting rod (19), the other end of the connecting rod (19) is hinged with the sliding block (18), the sliding block (18) is screwed on the screw rod (15).

2. A continuously variable speed electrically controlled conditioning mechanism for a combine harvester fan as defined in claim 1, wherein, The first connecting plate (10) and the third connecting plate (11) are integrally formed, the second connecting plate (2) and the fourth connecting plate (12) are integrally formed, the third connecting plate (11) is welded with the second connecting plate (2), and the second connecting plate (2) is welded with the first connecting plate (10).

3. A continuously variable speed electrically controlled conditioning mechanism for a combine harvester fan as defined in claim 1, wherein, One end of the long connecting sleeve (13) is fixed on the first connecting plate (10), bearings are arranged at both ends in the long connecting sleeve (13), and the end of the screw rod (15) is rotatably connected with the long connecting sleeve (13) through the bearings.

4. A continuously variable speed electrically controlled conditioning mechanism for a combine harvester fan as defined in claim 3, wherein, An oil injection threaded hole (14) penetrating through the side wall is arranged on the side wall at the middle position of the long connecting sleeve (13), and a plugging screw can be screwed in the oil injection threaded hole (14).

5. A continuously variable speed electrically controlled conditioning mechanism for a combine harvester fan as defined in claim 1 wherein, A limiting nut (16) is screwed on the screw rod (15) between the sliding block (18) and the second connecting plate (2).

6. A continuously variable speed electrically controlled conditioning mechanism for a combine harvester fan as defined in claim 1, wherein, A rotating nut (17) is fixed at the end of the screw rod (15) away from the long connecting sleeve (13), and the screw rod (15) can be driven to rotate by rotating the rotating nut (17).

7. A continuously variable speed electrically controlled conditioning mechanism for a combine harvester fan as defined in claim 1 wherein, The speed regulating frame (7) includes two symmetrical speed regulating plates (71), and the distance between the two speed regulating plates (71) is the widest at the position of the separating bearing (6) and is located on both sides of the separating bearing (6) respectively.

8. A continuously variable speed electrically controlled conditioning mechanism for a combine harvester fan as defined in claim 1, wherein, The driving motor (3) can be forward and reverse rotated.

9. A continuously variable speed electrically controlled conditioning mechanism for a combine harvester fan as defined in claim 1 wherein, A control module is further arranged, and the control module is connected with the driving motor (3).

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