Stem pulling roller of corn harvester
By adopting the staggered high and low rib design and the function of adjusting the height of the rib plate in the corn harvester, the problems of slow feeding speed and poor adaptability of the existing stem pulling rollers are solved, the feeding efficiency and adaptability are improved, and the shaking of the roller shaft is reduced through the stabilization assembly.
Patent Information
- Application Number
- CN202421945205.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-13
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-08-13
AI Technical Summary
The existing corn harvester stem pulling rollers are unable to adapt to different varieties and states of corn stalks due to the fixed height of the tendon plate, slow feeding speed, low stem pulling efficiency, and poor adaptability.
A corn harvester stem pulling roller is designed, using an acceleration component with three high ribs and three low ribs intersected. Combined with the design of adjustment ribs and bolts, the height of the rib plate can be adjusted according to actual conditions, and the roller shaft shaking is reduced by stabilizing the components and reducing bearing wear.
Through the staggered high and low rib design, the feeding speed and efficiency are improved, and the height of the rib plate can be dynamically adjusted according to different situations to adapt to different varieties and states of corn stalks. At the same time, the shaking of the roller shaft is reduced through the stabilization component and the service life is extended.
Smart Images

Figure CN222997054U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of corn harvesters, in particular to a pulling roller of a corn harvester. Background Technique
[0002] A corn harvester is an agricultural machinery and equipment that, according to agronomic requirements, mechanically completes the harvesting of corn straw when the corn is mature or nearly mature. The corn harvester not only improves agricultural production efficiency but also reduces the labor intensity of farmers. The corn harvester mainly consists of a cutting rod device, a conveying device, a hydraulic lifter, etc. The pulling roller of the corn harvester is one of the core components of the corn harvester, mainly used to pull and guide the corn stalks to the cutter for cutting, so as to effectively process the corn straw.
[0003] For the existing pulling roller, the height of the rib plates is the same, the feeding speed is slow, and the pulling efficiency is low. On the other hand, the fixed height of the rib plates makes the pulling roller less adaptable and unable to adapt to different varieties and different states of corn straw. Therefore, a pulling roller of a corn harvester is needed to disperse pollen and ensure the smoothness of the conduit. Summary of the Invention
[0004] The purpose of the utility model is to provide a pulling roller of a corn harvester to solve the problems mentioned in the above background technique, that is, for the existing pulling roller, the height of the rib plates is the same, the feeding speed is slow, the pulling efficiency is low, and on the other hand, the fixed height of the rib plates makes the pulling roller less adaptable and unable to adapt to different varieties and different states of corn straw.
[0005] A pulling roller of a corn harvester includes:
[0006] A main body component, the main body component includes a roller shaft and high ribs;
[0007] There are three high ribs in total, which are welded to the lower section of the roller shaft and are evenly distributed;
[0008] An acceleration component, the acceleration component includes low ribs, a first inclined surface, a second inclined surface, an adjusting rib, a first stepped hole, a second stepped hole and a bolt;
[0009] There are three low ribs in total, which are welded under the roller shaft and are staggered with the high ribs. The first inclined surface is opened in the middle section of the low rib, the second inclined surface is opened at one end of the low rib and is close to the first inclined surface. The first stepped hole is opened at both ends of the high rib, the second stepped hole is opened at both ends of the adjusting rib, and the adjusting rib is connected by the first stepped hole, the second stepped hole and the bolt.
[0010] Furthermore, the main body component further includes spiral ribs and double bearings;
[0011] The spiral ribs are welded to the upper section of the roller shaft, and the double bearings are rotatably connected to the top of the roller shaft.
[0012] Furthermore, the main body assembly further includes reinforcing ribs, slots, and grooves;
[0013] The reinforcing ribs are respectively welded to the middle and lower sections of the roller shaft. The slot is opened in the middle of the bottom end of the roller shaft, and the groove is opened at the bottom end of the roller shaft and is located outside the slot.
[0014] Furthermore, the main body assembly further includes a tailstock and a jack;
[0015] The upper end of the tailstock is screwed into the groove, and the jack is opened in the middle of the tailstock.
[0016] Furthermore, a stabilizing assembly is further included;
[0017] The stabilizing assembly includes a fixing plate and a through hole;
[0018] There are two fixing plates in total, which are fixed to the middle of the lower end of the tailstock and are respectively located on both sides of the jack. The through hole is opened in the middle of the fixing plate.
[0019] Furthermore, the stabilizing assembly further includes a T-shaped movable block and a spring;
[0020] The T-shaped movable block is inserted into the through hole, and the outer side of the end close to the jack is arc-shaped. The spring is sleeved on the rear section of the T-shaped movable block, and one end is fixed to the T-shaped movable block and the other end is fixed to the fixing plate.
[0021] Advantages of the present utility model:
[0022] 1. Through the provided acceleration assembly of the present utility model, the three groups of high ribs and the three groups of low ribs are staggered, enabling faster feeding. The first inclined surface and the second inclined surface provided on the low ribs make feeding easier. At the same time, the height of the ribs can be dynamically adjusted according to the actual situation. Insert the bolts into the first stepped hole and the second stepped hole and tighten them. This setting can accelerate the feeding speed and can adjust the height of the high ribs according to the actual situation to adapt to corn straw under different conditions.
[0023] 2. Through the provided stabilizing assembly of the present utility model, hold the pulling stem roller, align the jack on the tailstock with the transmission shaft and push it in. The transmission shaft pushes the T-shaped movable block along the through hole to both sides. When the transmission shaft is inserted into the slot, under the action of the spring, the T-shaped movable block clamps on both sides of the transmission shaft. This setting can reduce the wear of the bearing caused by the shaking of the roller shaft when the pulling stem roller rotates. Description of the Drawings
[0024] Figure 1 It is a schematic diagram of the overall structure of the present utility model;
[0025] Figure 2 It is a schematic diagram of the structure of the main body assembly of the present utility model;
[0026] Figure 3For the present utility model Figure 1 Enlarged view of part A in
[0027] Figure 4 Schematic diagram of the reinforcing rib structure of the present utility model;
[0028] Figure 5 Schematic diagram of the adjusting rib structure of the present utility model;
[0029] Figure 6 Schematic diagram of the stable component structure of the present utility model.
[0030] In the accompanying drawings, the list of components represented by each reference numeral is as follows:
[0031] 10, roller shaft; 11, high rib; 12, spiral rib; 13, double bearing; 14, reinforcing rib; 15, tailstock; 16, slot; 17, groove; 18, jack; 20, low rib; 21, first inclined surface; 22, second inclined surface; 23, adjusting rib; 24, first stepped hole; 25, second stepped hole; 26, bolt; 30, fixing plate; 31, through hole; 32, T-shaped movable block; 33, spring. Detailed implementation manners
[0032] Please refer to Figures 1-5 as shown, which is an embodiment of the present utility model.
[0033] A pulling stem roller of a corn harvester, comprising:
[0034] A main body component, the main body component comprising a roller shaft 10 and a high rib 11;
[0035] There are three high ribs 11 in total, welded to the lower section of the roller shaft 10 and evenly distributed;
[0036] The roller shaft 10 serves as a connection function, and the high rib 11 is used to guide the corn straw;
[0037] An acceleration component, the acceleration component comprising a low rib 20, a first inclined surface 21, a second inclined surface 22, an adjusting rib 23, a first stepped hole 24, a second stepped hole 25 and a bolt 26;
[0038] There are three low ribs 20 in total, welded under the roller shaft 10 and staggered with the high ribs 11. The first inclined surface 21 is opened in the middle section of the low rib 20, the second inclined surface 22 is opened at one end of the low rib 20 and close to the first inclined surface 21. The first stepped hole 24 is opened at both ends of the high rib 11, the second stepped hole 25 is opened at both ends of the adjusting rib 23, and the adjusting rib 23 is connected through the first stepped hole 24, the second stepped hole 25 and the bolt 26;
[0039] The low ribs 20 are used to guide the corn straws. The first inclined surface 21 and the second inclined surface 22 facilitate the feeding. The adjusting rib 23 can adjust the height of the high ribs 11. The first stepped hole 24, the second stepped hole 25 and the bolt 26 play a connecting role;
[0040] The main body assembly further includes a spiral rib 12 and a double bearing 13;
[0041] The spiral rib 12 is welded to the upper section of the roller shaft 10, and the double bearing 13 is rotatably connected to the top end of the roller shaft 10;
[0042] The spiral rib 12 is used to guide the feeding, and the double bearing 13 facilitates the rotation of the roller shaft 10 and can reduce the clogging of weeds at the same time;
[0043] The main body assembly further includes a reinforcing rib 14, a slot 16 and a groove 17;
[0044] The reinforcing ribs 14 are respectively welded to the middle section and the lower section of the roller shaft 10. The slot 16 is opened in the middle of the bottom end of the roller shaft 10, and the groove 17 is opened at the bottom end of the roller shaft 10 and is located outside the slot 16;
[0045] The reinforcing ribs 14 increase the strength of the roller shaft 10. The slot 16 is used to connect the transmission shaft, and the groove 17 is used to connect the tailstock 15;
[0046] The main body assembly further includes a tailstock 15 and a jack 18;
[0047] The upper end of the tailstock 15 is screwed into the groove 17, and the jack 18 is opened in the middle of the tailstock 15;
[0048] The tailstock 15 is screwed to the roller shaft 10, which is convenient for replacing a suitable tailstock 15 and cooperating with the transmission shaft to improve the adaptability of the pulling stem roller. The jack 18 facilitates the passage of the transmission shaft.
[0049] The working principle of this embodiment:
[0050] The three groups of high ribs 11 and the low ribs 20 are staggered, making the feeding faster. The first inclined surface 21 and the second inclined surface 22 provided on the low ribs 20 make the feeding easier;
[0051] At the same time, the height of the adjusting rib 23 can be adjusted according to the actual situation, and the bolt 26 is inserted into the first stepped hole 24 and the second stepped hole 25 and tightened.
[0052] This step can accelerate the feeding speed and can adjust the height of the high ribs 11 according to the actual situation to adapt to the corn straws under different conditions.
[0053] Please refer to Figure 6 , on the basis of the above embodiment, this embodiment further includes:
[0054] A stabilizing assembly, the stabilizing assembly includes a fixing plate 30 and a through hole 31;
[0055] There are two fixing plates 30 in total, which are fixed to the middle part of the lower end of the tailstock 15 and are located on both sides of the jack 18 respectively. A through hole 31 is opened in the middle of the fixing plate 30;
[0056] The fixing plate 30 plays a supporting role, and the through hole 31 facilitates the movement of the T-shaped movable block 32;
[0057] The stabilizing assembly further includes a T-shaped movable block 32 and a spring 33;
[0058] The T-shaped movable block 32 is inserted into the through hole 31, and the outer side of the end close to the jack 18 is arc-shaped. The spring 33 is sleeved on the rear section of the T-shaped movable block 32, with one end fixed to the T-shaped movable block 32 and the other end fixed to the fixing plate 30;
[0059] The T-shaped movable block 32 plays a clamping role, and the spring 33 has an extrusion function.
[0060] Working principle:
[0061] Select a suitable tailstock 15, rotatably connect its upper end to the groove 17, hold the pulling roller, align the jack 18 on the tailstock 15 with the transmission shaft and push it in. The transmission shaft pushes the T-shaped movable block 32 along the through hole 31 to both sides. When the transmission shaft is inserted into the slot 16, under the action of the spring 33, the T-shaped movable block 32 clamps on both sides of the transmission shaft;
[0062] When the roller shaft 10 rotates and shakes, under the action of the spring 33, the T-shaped movable block 32 makes the transmission shaft located in the middle of the slot 16.
[0063] In this step, when the pulling roller rotates, it can reduce the wear of the bearing caused by the shaking of the roller shaft 10.
Claims
1. A corn harvester stalk pulling roller, characterized in that: include: A main body component, the main body component comprising a roller (10) and a high rib (11); There are three high ribs (11) welded to the lower section of the roller shaft (10) and evenly distributed; An acceleration assembly, the acceleration assembly comprising a low rib (20), a first inclined surface (21), a second inclined surface (22), an adjustment rib (23), a first step hole (24), a second step hole (25) and a bolt (26); There are three low ribs (20) welded to the bottom of the roller shaft (10) and arranged alternately with the high ribs (11); a first inclined surface (21) is provided at the middle of the low rib (20); a second inclined surface (22) is provided at one end of the low rib (20) and is close to the first inclined surface (21); a first step hole (24) is provided at both ends of the high rib (11); a second step hole (25) is provided at both ends of the adjustment rib (23); and the adjustment rib (23) is connected via the first step hole (24), the second step hole (25) and the bolt (26).
2. The corn harvester stem pulling roller according to claim 1, characterized in that: The main body assembly further comprises a spiral rib (12) and a double bearing (13); The spiral rib (12) is welded to the upper section of the roller shaft (10), and the double bearings (13) are rotatably connected to the top end of the roller shaft (10).
3. The corn harvester stem pulling roller according to claim 1, characterized in that: The main body assembly further comprises a reinforcing rib (14), a slot (16) and a groove (17); The reinforcing ribs (14) are respectively welded to the middle section and the lower section of the roller shaft (10); the slot (16) is opened in the middle of the bottom end of the roller shaft (10); and the groove (17) is opened at the bottom end of the roller shaft (10) and is located outside the slot (16).
4. The corn harvester stem pulling roller according to claim 3, characterized in that: The main body assembly also includes a tailstock (15) and a socket (18); The upper end of the tailstock (15) is screwed into the groove (17), and the jack (18) is opened in the middle of the tailstock (15).
5. The corn harvester stem pulling roller according to claim 4, characterized in that: Also included are stabilization components; The stabilizing assembly includes a fixing plate (30) and a through hole (31); There are two fixing plates (30) fixed at the middle of the lower end of the tailstock (15) and respectively located at both sides of the insertion hole (18). The through hole (31) is opened in the middle of the fixing plate (30).
6. The corn harvester stem pulling roller according to claim 5, characterized in that: The stabilizing assembly further comprises a T-shaped movable block (32) and a spring (33); The T-shaped movable block (32) is inserted into the through hole (31), and the outer side of one end close to the insertion hole (18) is arc-shaped. The spring (33) is sleeved on the rear section of the T-shaped movable block (32), and one end is fixed on the T-shaped movable block (32) and the other end is fixed on the fixed plate (30).