Driving mechanism for withdrawal and straightening machine
By introducing a self-lubricating structure and a liquid level detection system into the driving mechanism of the pulling machine, the problem of insufficient lubrication caused by the oil level of the high-speed shaft is solved, which extends the service life of the equipment and improves the overall reliability.
Patent Information
- Application Number
- CN202323670059.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-29
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2033-12-29
AI Technical Summary
The high-speed shaft of the existing pulling machine is reduced due to the influence of the ambient temperature, resulting in inadequate lubrication and damage, resulting in short equipment life.
A driving mechanism including a power source, a reducer and a self-lubricating structure is designed. By arranging lubricating fluid and a gear pump in the housing, the lubricating fluid is transported to the high-speed shaft using an infusion tube to ensure that it is always lubricated and passes through the liquid. Position detector and water-cooled circuit optimize the management and heat dissipation of lubricant.
It effectively prevents high-speed shaft from being damaged due to inadequate lubrication, extends its service life, thereby improving the reliability and life of the entire drive mechanism.
Smart Images
Figure CN222296931U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of tension and straightening machines, in particular to a driving mechanism for a tension and straightening machine. Background Art
[0002] The straightening machine is a device used to straighten the billet in the continuous casting process.
[0003] The existing straightening machine is driven by a motor and a reducer. The motor is arranged above the reducer and connected to the high-speed shaft of the reducer. During daily use, the high-speed shaft is located at the highest point of the reducer, and the oil level must always be kept high to ensure its full lubrication. However, the oil level will gradually decrease due to the temperature of the working environment, resulting in frequent damage to the high-speed shaft due to insufficient lubrication, which in turn shortens the life of the reducer and the straightening machine.
[0004] Therefore, this field needs a new technical solution to solve the above problems. Summary of the invention
[0005] In order to improve or solve the technical problem of damage caused by inadequate lubrication of the high-speed shaft in the prior art, the utility model provides a driving mechanism for a straightening machine. The driving mechanism for the straightening machine includes: a power source; a reducer, arranged below the power source, and including a housing and a first reduction gear shaft and a secondary reduction gear shaft installed in the housing; the first reduction gear shaft is arranged above the secondary reduction gear shaft and is connected to the power source through a high-speed shaft; lubricating liquid is arranged in the housing; a self-lubricating structure, arranged in the housing and including a gear pump connected to the secondary reduction gear shaft and an infusion tube connected to the liquid outlet of the gear pump, and the infusion tube extends from one end of the gear pump to the high-speed shaft and toward the high-speed shaft.
[0006] In the driving mechanism of the straightening machine used in the utility model, a power source, a reducer and a self-lubricating structure are included. Among them, the reducer includes a high-speed shaft, a first reduction gear shaft and a secondary reduction gear shaft. The high-speed shaft connects the power source and the first reduction gear shaft to reduce the speed of the power source output and increase its torque; the secondary reduction gear shaft is connected to the first reduction gear shaft, which can reduce the speed of the first reduction gear shaft and increase its torque. The lubricating device is arranged in the shell and is used to lubricate the high-speed shaft, the first reduction gear shaft and the secondary reduction gear shaft. The self-lubricating structure includes a gear pump and an infusion tube. The gear pump is connected to the secondary reduction gear shaft, which can extract the lubricating liquid in the shell and transport the lubricating liquid to the outlet when the secondary reduction gear shaft rotates; one end of the infusion tube is connected to the outlet, and the other end extends to the high-speed shaft and faces the high-speed shaft, which can prevent the high-speed shaft from being inadequately lubricated due to the drop in the lubricating liquid level in the shell, extend the service life of the high-speed shaft, and thus improve the service life of the driving mechanism.
[0007] In the preferred technical solution of the driving mechanism for the straightening machine, the high-speed shaft drives the first reduction gear shaft to rotate via the helical gear. Through the above arrangement, the helical gear transmission has good stability and can achieve a larger reduction ratio.
[0008] In the preferred technical solution of the driving mechanism for the straightening machine, the secondary reduction gear shaft includes a second reduction gear shaft and a third reduction gear shaft, the second reduction gear shaft is connected to the first reduction gear shaft, the second reduction gear shaft and the third reduction gear shaft through an adjustment gear; the gear pump is connected to the third reduction gear shaft. Through the above arrangement, the three-stage reduction structure has a larger reduction ratio and obtains a higher torque.
[0009] In the preferred technical solution of the driving mechanism for the straightening machine, an output shaft connected to the third reduction gear shaft is arranged in the reducer, a mounting hole is opened in the output shaft and a positioning groove is arranged at the mounting hole.
[0010] In the preferred technical solution of the driving mechanism for the straightening machine, a liquid filling port is provided on one end of the reducer close to the power source, and a liquid level detector is arranged at the liquid filling port. Through the above arrangement, the arrangement of the liquid level detector can more conveniently obtain the liquid level of the lubricating liquid in the housing, so as to add the lubricating liquid into the housing.
[0011] In the preferred technical solution of the driving mechanism for the straightening machine, a connecting tube is arranged between the power source and the reducer, and an inspection port is provided on the connecting tube. Through the above arrangement, the connecting tube can protect the connection between the power source and the reducer, and prevent dust and other debris from affecting the connection between the power source and the reducer; the arrangement of the inspection port can more conveniently inspect the connection between the power source and the reducer, and thus facilitate judgment on whether the two need to be repaired or replaced.
[0012] In the preferred technical solution of the driving mechanism for the straightening machine, a water cooling circuit is arranged in the housing, and a water inlet and a water outlet connected to the water cooling circuit are arranged on the housing. Through the above arrangement, the water cooling circuit can cool and dissipate the heat of the reducer, thereby improving the reliability of the reducer. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings, in which:
[0014] Figure 1 It is a schematic diagram of an embodiment of the drive mechanism of the utility model for a tensioning and straightening machine.
[0015] List of reference numerals: 1. Power source; 11. Connecting tube; 12. Inspection port; 2. Reducer; 21. Housing; 211. Liquid filling port; 212. Water inlet; 213. Water outlet; 22. First reduction gear shaft; 23. Second reduction gear shaft; 24. Third reduction gear shaft; 25. Output shaft; 251. Mounting hole; 252. Positioning groove; 26. High-speed shaft; 261. Bearing; 262. End cover; 3. Self-lubricating structure; 31. Gear pump; 32. Infusion tube. DETAILED DESCRIPTION
[0016] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.
[0017] It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0018] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "setting", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, an indirect connection through an intermediate medium, or the internal connection of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0019] In order to improve or solve the technical problem of damage caused by inadequate lubrication of the high-speed shaft in the prior art, the utility model provides a driving mechanism for a straightening machine. The driving mechanism for the straightening machine includes: a power source 1; a reducer 2, arranged below the power source 1, and including a housing 21 and a first reduction gear shaft 22 and a secondary reduction gear shaft installed in the housing 21; the first reduction gear shaft 22 is arranged above the secondary reduction gear shaft and is connected to the power source 1 through a high-speed shaft 26; a lubricating liquid is arranged in the housing 21; a self-lubricating structure 3, arranged in the housing 21 and including a gear pump 31 connected to the secondary reduction gear shaft and a liquid infusion tube 32 connected to the liquid outlet of the gear pump 31, and the liquid infusion tube 32 extends from one end of the gear pump 31 to the high-speed shaft 26 and toward the high-speed shaft 26.
[0020] Figure 1Schematic diagram of an embodiment of the drive mechanism of the utility model for a tensioning and straightening machine. Figure 1 As shown, the driving mechanism of the utility model for the tension and straightening machine includes a power source 1, a reducer 2 and a self-lubricating structure 3.
[0021] Continue to see Figure 1 In one or more embodiments, the power source 1 is a motor, and the drive shaft of the power source 1 extends downward. A connecting tube 11 is sleeved on the outer side of the drive shaft, one end of the connecting tube 11 is fixed to the motor, and the other end is fixed to the reducer 2. Furthermore, an inspection port 12 is opened on the connecting tube 11.
[0022] Continue to see Figure 1 , the reducer 2 is arranged below the power source 1. In one or more embodiments, the reducer 2 includes a housing 21, a first reduction gear shaft 22 and a secondary reduction gear shaft. The housing 21 is roughly thin at the top and thick at the bottom, with its thin end close to the power source 1 and its thick end away from the power source 1. Alternatively, the housing 21 can also be set in other suitable shapes, such as a rectangular shell shape. In one or more embodiments, a liquid filling port 211 is provided on one side of the thin end of the housing 21, and the liquid filling port 211 is used to fill the housing 21 with lubricating liquid to lubricate the components in the housing 21. Preferably, the lubricating liquid is lubricating oil. Further, a liquid level detector is arranged at the liquid filling port 211, and the liquid level detector can detect the liquid level of the lubricating liquid in the housing 21, and then infer the remaining amount of the lubricating liquid, so as to replenish the lubricating liquid in time. Preferably, the liquid level detector is an ultrasonic liquid level detector. In one or more embodiments, a water cooling circuit is arranged in the housing 21, and a water inlet 212 and a water outlet 213 connected to the water cooling circuit are arranged on the housing 21. It is understandable that the shell 21 has a certain wall thickness, and the water cooling circuit is opened in the wall of the shell 21. Figure 1 In the orientation shown, the water inlet 212 is arranged on the left side of the housing 21 , and the water outlet 213 is arranged on the right side of the housing 21 .
[0023] Continue to see Figure 1 , the first reduction gear shaft 22 is arranged at the thin end of the housing 21. In one or more embodiments, the first reduction gear shaft 22 is connected to the power source 1 through the high-speed shaft 26. A bearing 261 and an end cover 262 for fixing the bearing 261 are arranged at the thin end of the housing 21. One end of the high-speed shaft 26 is connected to the motor, and the other end is connected to the first reduction gear shaft 22 through the bearing 261. Preferably, the bearing 261 is a tapered roller bearing 261. Preferably, the high-speed shaft 26 and the first reduction gear shaft 22 are connected through a helical gear.
[0024] Continue to see Figure 1, the secondary reduction gear shaft is arranged below the first reduction gear shaft 22. In one or more embodiments, the secondary reduction gear shaft includes a second reduction gear shaft 23 and a third reduction gear shaft 24. Adjustment gears are arranged on the first reduction gear shaft 22, the second reduction gear shaft 23 and the third reduction gear shaft 24. The adjustment gear on the first reduction gear shaft 22 is meshed with the adjustment gear on the second reduction gear shaft 23, and the adjustment gear on the second reduction gear shaft 23 is meshed with the adjustment gear on the third reduction gear shaft 24. The adjustment gear on the first reduction gear shaft 22 has the smallest diameter and the adjustment gear on the third reduction gear shaft 24 has the largest diameter, so as to gradually reduce the speed of the gear shaft and enhance the torque of the gear shaft. Further, an output shaft 25 is also arranged in the housing 21, and an adjustment gear is also arranged on the output shaft 25, and is meshed with the adjustment gear on the third reduction gear shaft 24. A mounting hole 251 is opened in the middle position of the output shaft 25, and a positioning groove 252 is arranged in the mounting hole 251. The input shaft of the external working component can be inserted into the mounting hole 251 and form a keyway match with the output shaft 25 through the positioning groove 252, so that the output shaft 25 can drive the external working component to work.
[0025] Continue to see Figure 1 In one or more embodiments, the self-lubricating structure 3 includes a gear pump 31 connected to the third reduction gear shaft 24 and a fluid infusion tube 32 connected to the fluid outlet of the gear pump 31. The gear pump 31 includes a pump body and a driving gear and a driven gear arranged in the pump body. The pump body is fixed on the housing 21, and the driving gear is connected to a driving gear shaft, which extends into the housing 21 and is connected to the third reduction gear shaft 24 through a gear set. The gear pump 31 transports lubricating fluid through the change and movement of the working volume formed by the pump body, the driving gear, and the driven gear. One end of the fluid infusion tube 32 is connected to the fluid outlet of the gear pump 31, and the other end extends upward out of the housing 21, passes through the end cover 262 and extends to the high-speed shaft 26 and the bearing 261, and faces the high-speed shaft 26 and the bearing 261. When the power source 1 is working, it drives the high-speed shaft 26 to rotate, and then drives the first reduction gear shaft 22 and the secondary reduction gear shaft to rotate. The gear pump 31 works accordingly, extracting the lubricating fluid from the thick end of the shell 21 and transporting it to the high-speed shaft 26 and the bearing 261 through the infusion tube 32 to prevent the high-speed shaft 26 from being damaged due to insufficient lubrication.
[0026] So far, the technical scheme of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical schemes after these changes or substitutions will fall within the protection scope of the present invention.
Claims
1. A driving mechanism for a tensioning and straightening machine, characterized in that: include: Power source (1); A reducer (2) is arranged below the power source (1) and comprises a housing (21) and a first reduction gear shaft (22) and a secondary reduction gear shaft installed in the housing (21); the first reduction gear shaft (22) is arranged above the secondary reduction gear shaft and is connected to the power source (1) via a high-speed shaft (26); a lubricating liquid is arranged in the housing (21); A self-lubricating structure (3) is arranged in the housing (21) and comprises a gear pump (31) connected to the secondary reduction gear shaft and a liquid infusion tube (32) connected to a liquid outlet of the gear pump (31), wherein one end of the liquid infusion tube (32) away from the gear pump (31) extends to the high-speed shaft (26) and faces the high-speed shaft (26).
2. The driving mechanism for a tensioning and straightening machine according to claim 1, characterized in that: The high-speed shaft (26) drives the first reduction gear shaft (22) to rotate via the helical gear.
3. The driving mechanism for a tensioning and straightening machine according to claim 2, characterized in that: The secondary reduction gear shaft comprises a second reduction gear shaft (23) and a third reduction gear shaft (24); the second reduction gear shaft (23) is connected to the first reduction gear shaft (22); the second reduction gear shaft (23) and the third reduction gear shaft (24) are all connected via adjustment gears; and the gear pump (31) is connected to the third reduction gear shaft (24).
4. The driving mechanism for a tensioning and straightening machine according to claim 3, characterized in that: An output shaft (25) connected to the third reduction gear shaft (24) is also arranged in the reducer (2), a mounting hole (251) is opened in the output shaft (25) and a positioning groove (252) is arranged at the mounting hole (251).
5. The driving mechanism for a tensioning and straightening machine according to claim 1, characterized in that: A liquid filling port (211) is provided on one end of the reducer (2) close to the power source (1), and a liquid level detector is arranged at the liquid filling port (211).
6. The driving mechanism for a tensioning and straightening machine according to claim 1, characterized in that: A connecting tube (11) is arranged between the power source (1) and the reducer (2), and an inspection port (12) is provided on the connecting tube (11).
7. The driving mechanism for a tensioning and straightening machine according to claim 1, characterized in that: A water cooling circuit is arranged in the shell (21), and a water inlet (212) and a water outlet (213) in communication with the water cooling circuit are arranged on the shell (21).