Power connecting shaft for agricultural machinery

Abstract

The utility model relates to the technical field of mechanical connecting shafts, and discloses a power connecting shaft for agricultural machinery, which comprises a first power connecting shaft and a second power connecting shaft in transmission with the first power connecting shaft, one side of the surface of the first power connecting shaft is rotatably provided with a fixing plate, the fixing plate is bolted on the surface of the agricultural machinery, and the fixing plate is fixed on the surface of the agricultural machinery. A connecting block is fixed to the surface of the fixing plate, one side of the surface of the connecting block is in bolted connection with an oil storage gun, and one side of the surface of the oil storage gun communicates with an oil outlet; in daily use of the first power connecting shaft and the second power connecting shaft, a worker can use the pushing mechanism, lubricating oil in the inner cavity of the oil storage gun can flow out from the oil outlet under the action of the pushing mechanism, and then the lubricating oil can be added between the first power connecting shaft and the second power connecting shaft; and in addition, under the action of an auxiliary mechanism, the oil outlet can be protected, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical connection axle technical field, concretely is a power connection axle for agricultural machinery. BACKGROUND

[0002] The power connection axle for agricultural machinery is a key transmission component, which is used for connecting the engine and various working devices or transmission systems in agricultural machinery to realize power transmission and conversion. The connection axle can generally adapt to a certain axis offset and effectively transmit torque at different angles to ensure stable operation of the machinery when turning, under stress and vibration. It is widely used in various agricultural machinery such as tractors, harvesters, plant protection machines, etc., and is an important part of agricultural automation and intelligentization.

[0003] The connection axle needs to add lubricating oil during use, mainly for reducing friction and wear between mechanical parts, reducing heat and energy loss during mechanical operation, thereby prolonging the service life of the machinery and improving the operation efficiency. However, the current power connection axle of agricultural machinery is often arranged in a relatively concealed part of the agricultural machine. When facing oil shortage, the staff needs to disassemble part of the protective frame to add lubricating oil, which is very troublesome. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a power connection axle for agricultural machinery to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a power connection axle for agricultural machinery, comprising a first power connection axle and a second power connection axle in transmission with the first power connection axle, a fixed plate is rotatably arranged on one side of the surface of the first power connection axle, the fixed plate is bolted to the surface of the agricultural machine, a connecting block is fixed on the surface of the fixed plate, a storage oil gun is bolted on one side of the surface of the connecting block, an oil outlet is communicated on one side of the surface of the storage oil gun, a driving pushing mechanism is arranged on one side of the surface of the storage oil gun, a connecting pipe is communicated on one side of the surface of the pushing mechanism, and an auxiliary mechanism is communicated at the other end of the connecting pipe.

[0006] Preferably, the pushing mechanism comprises a driving air bag, a connecting hose, an oil pushing plate, a limiting rod and a one-way valve, one end of the connecting hose is communicated with the inner cavity of the storage oil gun, the limiting rod is arranged on both sides of the inner cavity of the storage oil gun, the oil pushing plate slides on the surface of the limiting rod, the driving air bag is communicated with one end of the connecting hose, the one-way valve is communicated with one end of the driving air bag, and the one-way valve is also arranged on the surface of the connecting hose.

[0007] Preferably, the outer diameter of the oil pushing plate is equal to the inner cavity of the storage oil gun, and a sealing ring is arranged on the surface of the oil pushing plate.

[0008] Preferably, the auxiliary mechanism comprises a piston pipe communicated with one end of the connecting pipe, an inner cavity of the piston pipe slidingly arranged with a piston head, one side of a surface of the piston head fixedly arranged with an action rod, two sides of the other end of the action rod fixedly arranged with connecting rods, the other end of the connecting rods fixedly arranged with a protection head, the surface of the action rod sleeved with a spring, one end of the spring fixed to the surface of the piston head, the other end of the spring fixed to the inner cavity of the piston pipe, and both sides of the surface of the piston pipe provided with air holes.

[0009] Preferably, the protection head is attached to the surface of the oil outlet, and the shape of the protection head is complementary to the shape of the oil outlet.

[0010] Preferably, the number of the connecting rods is two, and the other end of the connecting rods is connected to the middle position of the protection head.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] In the daily use of the first power connecting shaft and the second power connecting shaft, the staff can use the pushing mechanism, under the action of the pushing mechanism, the lubricating oil in the inner cavity of the oil storage gun can flow out of the oil outlet, thereby the lubricating oil can be added between the first power connecting shaft and the second power connecting shaft, in addition, the oil outlet can be protected under the action of the auxiliary mechanism, and the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a schematic diagram of a three-dimensional structure in the utility model;

[0014] Figure 2 It is a schematic diagram of a three-dimensional structure of another side view in the utility model;

[0015] Figure 3 It is a schematic diagram of a partial three-dimensional structure in the utility model;

[0016] Figure 4 It is a schematic diagram of a partial three-dimensional structure in the utility model.

[0017] In the drawing: 1, first power connecting shaft; 2, second power connecting shaft; 3, fixed plate; 4, connecting block; 5, oil storage gun; 6, pushing mechanism; 61, driving air bag; 62, connecting hose; 63, oil pushing plate; 64, limiting rod; 65, one-way valve; 7, oil outlet; 8, connecting pipe; 9, auxiliary mechanism; 91, piston pipe; 92, piston head; 93, action rod; 94, spring; 95, connecting rod; 96, protection head; 97, air hole. PREFERRED EMBODIMENT

[0018] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0019] Please refer to Figures 1-4 As shown in FIG. 1, a power connecting shaft for agricultural machinery comprises a first power connecting shaft 1 and a second power connecting shaft 2 driven by the first power connecting shaft 1. A fixed plate 3 is rotatably arranged on one side of the surface of the first power connecting shaft 1. The fixed plate 3 is bolted to the surface of the agricultural machine. A connecting block 4 is fixed to the surface of the fixed plate 3. An oil storage gun 5 is bolted to one side of the surface of the connecting block 4. An oil outlet 7 is communicated to one side of the surface of the oil storage gun 5. A driving pushing mechanism 6 is arranged on one side of the surface of the oil storage gun 5. A connecting pipe 8 is communicated to one side of the surface of the pushing mechanism 6. An auxiliary mechanism 9 is communicated to the other end of the connecting pipe 8. In the daily use of the first power connecting shaft 1 and the second power connecting shaft 2, the staff can use the pushing mechanism 6. Under the action of the pushing mechanism 6, the lubricating oil in the inner cavity of the oil storage gun 5 can flow out of the oil outlet 7. Thus, the lubricating oil can be added between the first power connecting shaft 1 and the second power connecting shaft 2. In addition, the oil outlet 7 can be protected under the action of the auxiliary mechanism 9. The practicability of the device is improved.

[0020] The pushing mechanism 6 comprises a driving air bag 61, a connecting hose 62, an oil pushing plate 63, a limiting rod 64 and a one-way valve 65. One end of the connecting hose 62 is communicated to the inner cavity of the oil storage gun 5. The limiting rod 64 is arranged on both sides of the inner cavity of the oil storage gun 5. The oil pushing plate 63 slides on the surface of the limiting rod 64. The driving air bag 61 is communicated to one end of the connecting hose 62. The one-way valve 65 is communicated to one end of the driving air bag 61. The one-way valve 65 is also arranged on the surface of the connecting hose 62. The connecting pipe 8 is communicated to the surface of the connecting hose 62. In the present embodiment, the staff can press the driving air bag 61. Under the action of the driving air bag 61, the pressure in the inner cavity of the connecting hose 62 changes. Thus, the oil pushing plate 63 slides on the surface of the limiting rod 64. Under the action of the oil pushing plate 63, the lubricating oil in the inner cavity of the oil storage gun 5 flows out of the oil outlet 7.

[0021] The outer diameter of the oil pushing plate 63 is equal to the inner cavity of the oil storage gun 5. A sealing ring is arranged on the surface of the oil pushing plate 63. In the present embodiment, the sealing effect of the oil pushing plate 63 on the oil storage gun 5 is improved. The practicability of the pushing mechanism 6 is provided.

[0022] The auxiliary mechanism 9 comprises a piston pipe 91 connected to one end of the connecting pipe 8, an inner cavity of the piston pipe 91 is slidably provided with a piston head 92, one side of a surface of the piston head 92 is fixedly provided with an action rod 93, two sides of the other end of the action rod 93 are fixedly provided with connecting rods 95, the other end of the connecting rod 95 is fixedly provided with a protection head 96, a surface of the action rod 93 is sleeved with a spring 94, one end of the spring 94 is fixed to the surface of the piston head 92, the other end of the spring 94 is fixed to the inner cavity of the piston pipe 91, both sides of the surface of the piston pipe 91 are provided with air holes 97, in the embodiment, through the arrangement of the piston pipe 91, the piston head 92, the action rod 93, the spring 94, the connecting rod 95, the protection head 96 and the air holes 97, when the connecting pipe 8 is pressed by the connecting hose 62, the piston head 92 in the inner cavity of the piston pipe 91 slides, and then under the action of the action rod 93 and the connecting rod 95, the protection head 96 moves, in addition, under the action of the air holes 97, the position of the piston pipe 91 can be limited, and then the protection head 96 can move in the specified range, after the pushing mechanism 6 stops working, the protection head 96 can be reset under the action of the spring 94.

[0023] The protection head 96 is attached to the surface of the oil outlet 7, and the shape of the protection head 96 is complementary to the shape of the oil outlet 7, in the embodiment, through the arrangement, the sealing and protection effect of the protection head 96 on the oil outlet 7 is improved.

[0024] The number of the connecting rod 95 is two, and the other end of the connecting rod 95 is connected to the middle position of the protection head 96, in the embodiment, through the arrangement, after the protection head 96 is separated from the protection of the oil outlet 7, the influence of the connecting rod 95 on the work of the oil outlet 7 can be avoided.

[0025] Working principle: under the action of the first power connecting shaft 1 and the second power connecting shaft 2, the power of the agricultural machine can be transported, when the first power connecting shaft 1 and the second power connecting shaft 2 are installed, the staff can bolt the fixed plate 3 to the surface of the agricultural machine, the position of the connecting block 4 and the oil storage gun 5 can be limited through the fixed plate 3, and the driving air bag 61 is bolted in the daily operation space of the staff, in the daily use of the first power connecting shaft 1 and the second power connecting shaft 2, if the lubricating oil is lacking, the staff can use the driving air bag 61, under the action of the driving air bag 61, air flow occurs in the connecting hose 62, and then under the action of the air, the oil pushing plate 63 moves, the lubricating oil in the inner cavity of the oil storage gun 5 can be pushed through the movement of the oil pushing plate 63, and then the lubricating oil is sprayed from the oil outlet 7 to the connecting part between the first power connecting shaft 1 and the second power connecting shaft 2, in addition, when the connecting hose 62 works, under the action of the connecting pipe 8, the piston head 92 slides in the inner cavity of the piston pipe 91, and then under the action of the action rod 93 and the connecting rod 95, the protection head 96 is separated from the protection of the oil outlet 7, and then the lubricating oil can flow out of the oil outlet 7, in addition, under the action of the air hole 97, the position of the piston head 92 can be limited, and the movement amount of the oil pushing plate 63 can be limited, after the piston head 92 moves to the position of the air hole 97, the oil pushing plate 63 and the piston head 92 stop moving, at this time, the action gas of the driving air bag 61 flows out of the air hole 97, after the driving air bag 61 stops working, under the action of the spring 94, the piston head 92 and the protection head 96 are reset.

[0026] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Additionally, unless otherwise specified, the use of the terms "first", "second", etc., to describe a process, method, or article, does not indicate that the process, method, or article is limited to a single element or step, but rather that the process, method, or article can include one or more elements or steps.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A power take-off shaft for an agricultural machine comprising a first power take-off shaft (1) and a second power take-off shaft (2) driven by the first power take-off shaft (1), characterized in that: The first power connection shaft (1) surface one side rotation is equipped with fixed plate (3), the fixed plate (3) is bolted on the surface of agricultural machine, the surface of fixed plate (3) is fixed with connecting block (4), the surface one side of connecting block (4) is bolted with oil storage gun (5), the surface one side of oil storage gun (5) is communicated with oil outlet (7), the surface one side of oil storage gun (5) is provided with the driving push mechanism (6), the surface one side of push mechanism (6) is communicated with connecting pipe (8), the other end of connecting pipe (8) is communicated with auxiliary mechanism (9).

2. The power take-off shaft for an agricultural machine of claim 1, wherein: The push mechanism (6) includes driving air bag (61), connecting hose (62), push oil plate (63), limiting rod (64) and check valve (65), one end of connecting hose (62) is communicated with the inner cavity of oil storage gun (5), limiting rod (64) is arranged on both sides of the inner cavity of oil storage gun (5), push oil plate (63) is slid on the surface of limiting rod (64), driving air bag (61) is communicated with one end of connecting hose (62), check valve (65) is communicated with one end of driving air bag (61), check valve (65) is also arranged on the surface of connecting hose (62).

3. The power take-off shaft for an agricultural machine of claim 2, wherein: The outer diameter of push oil plate (63) is equal to the inner cavity of oil storage gun (5), and a sealing ring is arranged on the surface of push oil plate (63).

4. The power take-off shaft for an agricultural machine of claim 1, wherein: The auxiliary mechanism (9) includes a piston tube (91) communicated with one end of the connecting pipe (8), a piston head (92) slidably arranged in the inner cavity of the piston tube (91), an action rod (93) fixed on one side of the surface of the piston head (92), a connecting rod (95) fixed on both sides of the other end of the action rod (93), a protective head (96) fixed on the other end of the connecting rod (95), a spring (94) sleeved on the surface of the action rod (93), one end of the spring (94) fixed on the surface of the piston head (92), the other end of the spring (94) fixed in the inner cavity of the piston tube (91), and air holes (97) formed on both sides of the surface of the piston tube (91).

5. The power take-off shaft for an agricultural machine of claim 4, wherein: The protective head (96) is attached to the surface of the oil outlet (7), and the shape of the protective head (96) is complementary to the shape of the oil outlet (7).

6. The power take-off shaft for an agricultural machine of claim 4, wherein: The number of connecting rods (95) is two, and the other end of the connecting rod (95) is connected to the middle position of the protective head (96).

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