Automobile transmission shaft straightening device

By designing a vehicle transmission shaft straightening device that includes a mounting table, mounting block, pressing roller, hydraulic telescopic part and servo motor, the drive shaft straightening accuracy and efficiency problems are solved, and efficient and precise straightening effects are achieved, and the driving performance and safety of the car are improved.

CN223185234UActive Publication Date: 2025-08-05TAI ZHOU JIA XIAN QI CHE LING BU JIAN ZHI ZAO YOU XIAN GONG SI
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Patent Information

Application Number
CN202422026099.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-20
Publication Date
2025-08-05
Estimated Expiration
2034-08-20

AI Technical Summary

Technical Problem

The existing drive shaft straightening devices have complex structures, inconvenient operation, and low straightening accuracy, which cannot meet the accuracy and efficiency requirements of modern automobile manufacturing.

Method used

The automobile transmission shaft straightening device consisting of components such as the installation table, mounting block, pressing roller, hydraulic telescopic part, drive servo motor and electric telescopic rod is automatically straightened through hydraulic and electric drive, and the combination of the transmission rod, conveying screw and pressing roller are used for precise correction.

Benefits of technology

It improves the correction efficiency and accuracy of the transmission shaft, realizes a fully automated and efficient straightening process, and ensures the driving performance and safety of the car.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automobile transmission shaft straightening device, which relates to the technical field of straightening devices and comprises a mounting table, a mounting cavity is arranged on the mounting table, two mounting blocks are mounted on the mounting table in a relatively sliding manner, and the two mounting blocks are mounted on two sides of the mounting cavity in a relatively sliding manner; the transmission rod is driven by the driving equipment to rotate, the two mounting blocks and the two pressing rollers on the mounting blocks are driven by the hydraulic telescopic rod to be close to each other, so that the two pressing rollers are in contact with the automobile transmission shaft, and meanwhile, the pressing rollers are driven by the driving servo motor to rotate, so that the automobile transmission shaft is pressed. The two rotating pressing rollers are driven to correct the automobile transmission shaft, and the correction efficiency is improved; when the automobile transmission shaft is corrected, the multiple electric telescopic rods drive the lifting plate to move downwards, so that the top of the mounting cavity is sealed, meanwhile, the top of the automobile transmission shaft can be pressed and corrected, and the correction effect of the automobile transmission shaft is improved; and the straightening efficiency is improved through full-automatic operation.
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Description

Technical Field

[0001] The utility model relates to the technical field of straightening devices, in particular to a straightening device for an automobile transmission shaft. Background Art

[0002] The driveshaft is a crucial component in a vehicle's transmission system, transferring engine power to the wheels, generating propulsion. It connects or assembles various components. It is a movable or rotating circular object typically made of lightweight, torsionally resistant alloy steel pipe.

[0003] In front-engine, rear-wheel-drive vehicles, the driveshaft transmits the transmission's rotation to the final drive. Driveshafts can be multi-section, connected by universal joints to accommodate various angular changes during vehicle operation. The driveshaft operates through the interplay of its components: the shaft tube, expansion sleeve, and universal joints. Because the driveshaft rotates at high speeds and with minimal support, dynamic balancing is crucial. Before leaving the factory, the driveshaft undergoes a dynamic balancing test and is adjusted on a balancing machine to ensure smooth operation. Furthermore, specialized automotive driveshafts are often used in various specialized vehicles, such as tankers, fuel trucks, and water trucks, to meet the needs of different models and applications. Regular inspection and maintenance are required to ensure proper operation of the driveshaft during daily use. For example, check that the side clearance between the driveshaft spline and the sliding fork is within the specified range and that the driveshaft should slide freely. Check the bracket fastening bolts for looseness and tighten them as required. Perform an idle run test to observe whether the bearing rotates smoothly and flexibly, and whether there is any noise, stalling, or binding.

[0004] During the automotive manufacturing process, the straightening accuracy of the drive shaft directly affects the vehicle's driving performance and safety. Existing drive shaft straightening devices often suffer from complex structures, inconvenient operation, and low straightening accuracy, failing to meet the precision and high efficiency requirements of modern automotive manufacturing. To address this issue, we provide a drive shaft straightening device for automobiles. Utility Model Content

[0005] The technical problem solved by the utility model is that during the automobile manufacturing process, the straightening accuracy of the drive shaft directly affects the driving performance and safety of the automobile. The existing drive shaft straightening devices often have problems such as complex structure, inconvenient operation, and low straightening accuracy, and cannot meet the precision and high efficiency requirements of modern automobile manufacturing.

[0006] The utility model can be implemented through the following technical solutions: a vehicle transmission shaft straightening device includes a mounting platform, a mounting cavity is provided on the mounting platform, two mounting blocks are relatively slidably installed on the mounting platform, the two mounting blocks are relatively slidably installed on both sides of the mounting cavity, the mounting blocks are rotatably connected to a pressing roller, the mounting blocks are provided with a driving member for driving the pressing roller to rotate, the mounting platform is provided with a hydraulic telescopic member for driving the two mounting blocks to move closer to or away from each other, a transmission member is provided in the mounting cavity, and the transmission member is parallel to the pressing roller.

[0007] A further technical improvement of the present invention is that the transmission member includes a transmission rod, a transmission groove is provided on the mounting platform, the transmission groove is arranged at the bottom of the mounting cavity, and the transmission groove is arranged along the length direction of the mounting cavity, and a transmission screw is provided outside the transmission rod.

[0008] A further technical improvement of the present invention is that the driving member includes a driving servo motor, the driving servo motor is mounted on the mounting block, and the output shaft of the driving servo motor is connected to one end of the pressing roller.

[0009] A further technical improvement of the present invention is that the hydraulic telescopic member includes a hydraulic telescopic rod, the mounting blocks are each provided with a connecting block, both ends of the hydraulic telescopic rod are respectively connected to two connecting blocks, and the hydraulic telescopic rod is mounted on a mounting platform.

[0010] A further technical improvement of the present invention is that a lifting plate is vertically slidably mounted on the mounting platform, and the lifting plate is located above the mounting cavity.

[0011] A further technical improvement of the present invention is that: a plurality of electric telescopic rods are provided on the mounting platform, and the plurality of electric telescopic rods are vertically arranged, and the bottom of the lifting plate is connected to the telescopic ends of the plurality of electric telescopic rods.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] This device drives the transmission rod to rotate through the driving equipment, and the transmission rod drives the transmission screw to rotate, and the transmission screw drives the automobile drive shaft to be transmitted between the two pressing rollers. The two mounting blocks and the two pressing rollers thereon are driven to approach each other through the hydraulic telescopic rod, so that the two pressing rollers are in contact with the automobile drive shaft. At the same time, the pressing rollers are driven to rotate by the servo motor, so that the two rotating pressing rollers correct the automobile drive shaft and improve the correction efficiency. When the automobile drive shaft is being corrected, multiple electric telescopic rods drive the lifting plate to move downward, thereby sealing the top of the mounting cavity, and at the same time, the top of the automobile drive shaft can be pressed and corrected, thereby improving the correction accuracy of the automobile drive shaft. The fully automated operation improves the straightening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] 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.

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 Schematic diagram of the enlarged structure of area A;

[0017] Figure 3 This is a schematic diagram of the transmission rod structure of the present utility model.

[0018] In the figure: 1. Mounting table; 2. Mounting cavity; 3. Mounting block; 4. Pressing roller; 5. Transmission rod; 6. Transmission trough; 7. Transmission screw; 8. Servo motor; 9. Hydraulic telescopic rod; 10. Connecting block; 11. Lifting plate; 12. Electric telescopic rod. DETAILED DESCRIPTION

[0019] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0020] See also Figure 1-Figure 3 As shown, the utility model proposes a vehicle transmission shaft straightening device; it includes a mounting platform 1, a mounting cavity 2 is provided on the mounting platform 1, two mounting blocks 3 are relatively slidably mounted on the mounting platform 1, the two mounting blocks 3 are relatively slidably mounted on both sides of the mounting cavity 2, and pressing rollers 4 are rotatably connected to the mounting blocks 3, a driving member for driving the pressing rollers 4 to rotate is provided on the mounting blocks 3, a hydraulic telescopic member for driving the two mounting blocks 3 to move closer to or away from each other is provided on the mounting platform 1, a transmission member is provided in the mounting cavity 2, and the transmission member is parallel to the pressing rollers 4. The vehicle transmission shaft is driven to be transmitted into the mounting cavity 2 by the transmission member, and the pressing rollers 4 are driven to rotate by the driving member, so that the two pressing rollers 4 are in rotational contact with the vehicle transmission shaft, and the hydraulic telescopic member drives the two mounting blocks 3 and the two pressing rollers 4 thereon to move closer to each other, so that the two pressing rollers 4 hydraulically correct the vehicle transmission shaft, and at the same time, the two rotating pressing rollers 4 can improve the correction efficiency of the vehicle transmission shaft.

[0021] The transmission part includes a transmission rod 5, and a transmission groove 6 is provided on the mounting platform 1. The transmission groove 6 is arranged at the bottom of the mounting cavity 2, and the transmission groove 6 is arranged along the length direction of the mounting cavity 2. A transmission screw 7 is provided on the outside of the transmission rod 5; the transmission rod 5 is driven to rotate by a driving device, and the transmission rod 5 drives the transmission screw 7 to rotate, and the transmission screw 7 drives the automobile transmission shaft to transmit between the two pressing rollers 4.

[0022] The driving component includes a driving servo motor 8 , which is mounted on the mounting block 3 , and an output shaft of the driving servo motor 8 is connected to one end of the pressing roller 4 .

[0023] The hydraulic telescopic component includes a hydraulic telescopic rod 9 . Each mounting block 3 is provided with a connecting block 10 . Both ends of the hydraulic telescopic rod 9 are connected to the two connecting blocks 10 respectively. The hydraulic telescopic rod 9 is mounted on the mounting platform 1 .

[0024] A lifting plate 11 is vertically slidably mounted on the mounting platform 1 , and the lifting plate 11 is located above the mounting cavity 2 .

[0025] A plurality of electric telescopic rods 12 are provided on the mounting platform 1, and the plurality of electric telescopic rods 12 are arranged vertically. The bottom of the lifting plate 11 is connected to the telescopic ends of the plurality of electric telescopic rods 12; the plurality of electric telescopic rods 12 drive the lifting plate 11 to move downward, thereby sealing the top of the mounting cavity 2, and at the same time, pressing and correcting the top of the automobile drive shaft.

[0026] When the utility model is in use, the transmission rod 5 is driven to rotate by the driving device, and the transmission rod 5 drives the transmission screw 7 to rotate, and the transmission screw 7 drives the automobile transmission shaft to be transmitted between the two pressing rollers 4, and the two mounting blocks 3 and the two pressing rollers 4 thereon are driven to approach each other by the hydraulic telescopic rod 9, so that the two pressing rollers 4 are in contact with the automobile transmission shaft. At the same time, the pressing rollers 4 are driven to rotate by the servo motor 8, so that the two rotating pressing rollers 4 correct the automobile transmission shaft and improve the correction efficiency; and when the automobile transmission shaft is being corrected, the multiple electric telescopic rods 12 drive the lifting plate 11 to move downward, thereby sealing the top of the mounting cavity 2, and at the same time, the top of the automobile transmission shaft can be pressed and corrected, thereby improving the correction effect of the automobile transmission shaft.

[0027] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. An automobile transmission shaft straightening device, characterized in that: The invention comprises a mounting platform (1), wherein the mounting platform (1) is provided with a mounting cavity (2), and two mounting blocks (3) are relatively slidably mounted on the mounting platform (1), and the two mounting blocks (3) are relatively slidably mounted on both sides of the mounting cavity (2), and the mounting blocks (3) are rotatably connected to a pressing roller (4), and the mounting blocks (3) are provided with a driving member for driving the pressing roller (4) to rotate, and the mounting platform (1) is provided with a hydraulic telescopic member for driving the two mounting blocks (3) to move closer to or away from each other, and a transmission member is provided in the mounting cavity (2), and the transmission member is parallel to the pressing roller (4).

2. The automobile transmission shaft straightening device according to claim 1, characterized in that: The transmission member comprises a transmission rod (5); a transmission groove (6) is provided on the mounting platform (1); the transmission groove (6) is arranged at the bottom of the mounting cavity (2), and the transmission groove (6) is arranged along the length direction of the mounting cavity (2); and a transmission screw (7) is provided outside the transmission rod (5).

3. The automobile transmission shaft straightening device according to claim 1, characterized in that: The driving member comprises a driving servo motor (8), which is mounted on the mounting block (3), and an output shaft of the driving servo motor (8) is connected to one end of the pressing roller (4).

4. The automobile transmission shaft straightening device according to claim 1, characterized in that: The hydraulic telescopic member comprises a hydraulic telescopic rod (9), each of the mounting blocks (3) is provided with a connecting block (10), both ends of the hydraulic telescopic rod (9) are respectively connected to the two connecting blocks (10), and the hydraulic telescopic rod (9) is mounted on the mounting platform (1).

5. The automobile transmission shaft straightening device according to claim 1, characterized in that: A lifting plate (11) is vertically slidably mounted on the mounting platform (1), and the lifting plate (11) is located above the mounting cavity (2).

6. The automobile transmission shaft straightening device according to claim 5, characterized in that: The mounting platform (1) is provided with a plurality of electric telescopic rods (12), and the plurality of electric telescopic rods (12) are arranged vertically, and the bottom of the lifting plate (11) is connected to the telescopic ends of the plurality of electric telescopic rods (12).