Improved tractor driving shaft for rotating speed detection
By installing a speed sensor on the tractor drive shaft and machining a standard toothed groove, the problem of insufficient speed detection accuracy in traditional tractors is solved, achieving precise control of drive shaft speed and improving machining efficiency.
Patent Information
- Application Number
- CN202423077074.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-13
AI Technical Summary
Traditional tractors lack speed measurement components, resulting in insufficient accuracy in tire speed detection, which affects slip ratio calculation and makes it difficult to achieve efficient traction.
A speed sensor is installed on the tractor drive shaft, and a standard toothed groove is machined at the sensor scanning position. Precise speed control is achieved by the sensor cooperating with the toothed groove.
It achieves precise control of the drive shaft speed, reduces the impact on drive shaft strength and overall machining difficulty, and improves detection accuracy and efficiency.
Smart Images
Figure CN223456749U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tractor equipment technical field, concretely relates to an improved tractor drive shaft for speed detection. BACKGROUND
[0002] Tractor wheel slip has great influence on tractor performance, and the influence of slip rate on tractor performance mainly manifests in traction, traction efficiency and the like, in order to realize efficient traction of the tractor, the slip rate is an important parameter that needs to be referred to in real time by the tractor control system, and tire speed, tire radius and vehicle speed calculation are important factors for ensuring the measurement accuracy of the slip rate, wherein the tire radius and vehicle speed calculation can be realized through external equipment, and the traditional tractor has few related components with speed measurement due to the complexity of the working environment, therefore the detection of the tire speed needs to improve the existing tractor structure, and the overall layout and installation of the tractor are a mature system, so how to reduce the improvement scale is the most important.
[0003] The detection of the tire speed can be measured through the speed sensor, therefore how to ensure that the speed sensor realizes accurate identification of the speed is an important link. SUMMARY
[0004] In view of the problems in the prior art, the improved tractor drive shaft for speed detection is provided, the existing drive shaft is improved, the speed sensor is installed on the tractor, the shaft diameter is thickened at the scanning position of the speed sensor, the standard tooth-shaped groove recognizable by the sensor is processed, and the accurate control of the drive shaft speed is realized through cooperation of the speed sensor and the standard tooth-shaped groove.
[0005] In order to achieve the above object, the technical scheme adopted by the utility model is as follows:
[0006] An improved tractor drive shaft for speed detection, comprising a left shaft body connected with a drive gear and a right shaft body connected with a wheel hub, wherein one end of the left shaft body away from the right shaft body is provided with a gear mounting portion, the right shaft body is provided with a wheel hub mounting portion, a bearing mounting portion is arranged between the left shaft body and the right shaft body, and a sensor identification portion is arranged on the left shaft body on the side of the bearing mounting portion close to the gear mounting portion.
[0007] The bearing mounting portion comprises a mounting section and a positioning section, the positioning section is located on one side of the mounting section, and the sensor identification portion is located on the other side of the mounting section.
[0008] Preferably, the outer diameter of the mounting section is not greater than the outer diameter of the sensor identification portion.
[0009] Preferably, the sensor identification part comprises a plurality of tooth-shaped platforms arranged in a circumferential array along the surface of the left shaft body, the tooth-shaped platforms are fixedly installed on the left shaft body, and a standard tooth-shaped groove is arranged between two adjacent tooth-shaped platforms.
[0010] Preferably, the tooth-shaped platform and the left shaft body are integrally machined.
[0011] Preferably, the outer diameter of the mounting section is not less than the outer diameter of the sensor identification part.
[0012] Preferably, the sensor identification part comprises a sleeve body sleeved on the left shaft body, a plurality of standard tooth-shaped grooves are uniformly arranged on the outer side surface of the sleeve body, a fixing part is arranged at the end of the sleeve body away from the mounting section, and the fixing part is screw-fixedly connected with the left shaft body.
[0013] The utility model discloses the beneficial effect is shown in:
[0014] 1. The utility model discloses the improvement to traditional drive shaft, increases standard tooth-shaped groove on drive shaft, facilitates the identification of sensor, can realize the accurate control of drive shaft rotation speed, and the standard tooth-shaped groove is added in the mode of additive, can effectively avoid the influence on the strength of drive shaft.
[0015] 2. The utility model discloses the embodiment one of the utility model discloses the tooth-shaped platform and the left shaft body are integrally formed, can effectively reduce the influence of standard tooth-shaped groove processing on the overall straightness of drive shaft.
[0016] 3. The utility model discloses the embodiment two of the utility model discloses the split type processing, and the sleeve body can be processed individually, can effectively reduce the overall processing difficulty of drive shaft, is favorable to improving processing efficiency. DRAWINGS
[0017] Figure 1 It is the overall structure schematic drawing of the embodiment one of the utility model discloses a kind of rotation speed detection improved tractor drive shaft.
[0018] Figure 2 It is Figure 1 the enlarged view of A in it.
[0019] Figure 3 It is the overall structure schematic drawing of the embodiment two of the utility model discloses a kind of rotation speed detection improved tractor drive shaft.
[0020] Figure 4 It is the structure schematic drawing of sleeve body in the embodiment two of the utility model discloses a kind of rotation speed detection improved tractor drive shaft.
[0021] In the figure: 1-left shaft, 2-right shaft, 3-hub mounting part, 4-gear mounting part, 5-mounting section, 6-positioning section, 7-standard tooth groove, 8-tooth platform, 9-sleeve, 10-fixing part, 11-bearing. DETAILED DESCRIPTION
[0022] In order to facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.
[0023] An improved tractor drive shaft for speed detection includes a left shaft body 1 connected to a drive gear and a right shaft body 2 connected to a wheel hub. The left shaft body 1 is provided with a gear mounting portion 4 at one end away from the right shaft body 2, and the right shaft body 2 is provided with a wheel hub mounting portion 3. A bearing mounting portion is provided between the left shaft body 1 and the right shaft body 2. A sensor identification portion is provided on the left shaft body 1 on the side of the bearing mounting portion close to the gear mounting portion 4. The recognition accuracy of the sensor can be ensured by adding the sensor identification portion to the left shaft body 1. The bearing mounting portion includes a mounting section 5 and a positioning section 6. The positioning section 6 is located on one side of the mounting section 5, and the sensor identification portion is located on the other side of the mounting section 5.
[0024] Example 1:
[0025] like Figures 1-2 The sensor identification portion of the improved tractor drive shaft for speed detection shown is integrally formed with the left shaft body 1. The sensor identification portion includes a plurality of tooth-profile platforms 8 distributed in a circumferential array along the surface of the left shaft body 1. The tooth-profile platforms 8 are fixedly mounted on the left shaft body 1. A standard tooth-profile groove 7 is provided between two adjacent tooth-profile platforms 8. The outer diameter of the mounting section 5 is no larger than that of the sensor identification portion. The depth of the standard tooth-profile groove 7 is increased as much as possible while preventing the tooth-profile platforms 8 from interfering with the installation of the bearing 11 to ensure effective sensor recognition. The integral molding design effectively reduces the impact of the machining of the standard tooth-profile groove 7 on the overall straightness of the drive shaft.
[0026] The mounting section 5 is extended toward the gear mounting portion 4 , and then a standard tooth profile groove 7 is cut to form a tooth profile platform 8 , thereby forming a tool recess on the mounting section 5 .
[0027] Example 2:
[0028] like Figures 3-4The sensor identification part of the improved tractor driving shaft for rotation speed detection is separately machined with the left shaft body 1, the sensor identification part comprises a sleeve 9 sleeved on the left shaft body 1, a plurality of standard tooth type grooves 7 are uniformly distributed on the outer side of the sleeve 9, a fixing part 10 is arranged at the end of the sleeve 9 away from the mounting section 5, screw fixing connection is arranged between the fixing part 10 and the left shaft body 1, the outer diameter of the mounting section 5 is not less than the outer diameter of the sensor identification part, the recognition effect of the sensor is ensured, the sleeve 9 can be separately machined by adopting the separate machining mode, the overall machining difficulty of the driving shaft can be effectively reduced, and the machining efficiency is improved.
[0029] The above is only an example and description of the structure of the present application, and those skilled in the art can make various modifications or supplements or use similar ways to replace the described specific embodiments, as long as they do not deviate from the structure of the present application or exceed the scope defined by the present application, which shall belong to the protection scope of the present application.
Claims
1. An improved tractor drive shaft for detecting rotational speed, characterized by, The rotation speed detection improved tractor drive shaft, including the left shaft body connected with the drive gear and the right shaft body connected with the wheel hub, the left shaft body is equipped with the gear installation part on the end far from the right shaft body, the right shaft body is equipped with the wheel hub installation part, the bearing installation part is connected between the left shaft body and the right shaft body, the sensor identification part is equipped on the left shaft body on the side of the bearing installation part close to the gear installation part; The bearing installation part includes installation section and positioning section, the positioning section is located on one side of the installation section, and the sensor identification part is located on the other side of the installation section.
2. The improved tractor drive shaft for detecting rotational speed according to claim 1, wherein The outer diameter of the installation section is not greater than the outer diameter of the sensor identification part.
3. The improved tractor drive shaft for detecting rotational speed according to claim 2, wherein The sensor identification part includes a plurality of tooth-shaped tables distributed in a circular array along the surface of the left shaft body, the tooth-shaped tables are fixedly installed on the left shaft body, and a standard tooth-shaped groove is provided between two adjacent tooth-shaped tables.
4. The improved tractor drive shaft for detecting rotational speed according to claim 3, wherein The tooth-shaped table and the left shaft body are integrally machined and formed.
5. The improved tractor drive shaft for detecting rotational speed according to claim 1, wherein The outer diameter of the installation section is not less than the outer diameter of the sensor identification part.
6. The improved tractor drive shaft for detecting rotational speed according to claim 5, wherein The sensor identification part includes a sleeve body sleeved on the left shaft body, a plurality of standard tooth-shaped grooves are uniformly distributed on the outer side surface of the sleeve body, a fixing part is arranged on the end of the sleeve body away from the installation section, and the fixing part and the left shaft body are fixedly connected through screws.