Anti-twisting fixing device for speed reducer of withdrawal and straightening machine
By designing a detachable bolt connection and a step shaft structure anti-torque fixing device on the pulling machine reducer, the fault problem caused by the unreliability of the torque-torque device structure in the prior art is solved, and the stable operation of the pulling machine reducer is achieved and production stability, reducing failure rate and repair costs.
Patent Information
- Application Number
- CN202421084066.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-17
AI Technical Summary
The existing anti-torsion fixing device of the reducer reducer is prone to pin breakage and screw drop during long-term use, which causes the reducer to be disengaged and fall, causing the reducer to be disengaged and unable to work normally, resulting in the flow failure, which is due to the structural unreliability and Problem of prone to cracking of welds.
An anti-torsion fixing device including an axial positioning sleeve, a positioning plate and a step shaft structure is designed. Through the detachable bolt connection and welding integral structure, the torsional strength is enhanced, and the screw vibration loosening and pin shaft falling off is prevented.
The stability and reliability of the anti-torque device of the pulling and retarder reducer is achieved, the failure rate and repair cost are reduced, the working efficiency is improved, and the normal production of the continuous casting machine is ensured.
Smart Images
Figure CN222208884U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of reducers for tension and straightening machines, and in particular relates to an anti-twist fixing device for reducers for tension and straightening machines. Background Art
[0002] The existing anti-twist fixing device of the reducer of the straightening machine is fixed on the upper arm base of the straightening machine with online screws. The structural form of the anti-twist fixing device is prone to pin breakage and screw falling when the reducer of the straightening machine is used for a long time, which causes the reducer of the straightening machine to disengage and fall, resulting in the straightening machine being unable to work normally and causing a power-off failure. The cause of this failure is the unreliability of the anti-twist device structure in the prior art. It is connected to the fixed plate by welding. Due to the large torque, the weld is very easy to crack, and the screws vibrate loose and fall, causing the pin to fall off and then lose the anti-twist fixing function of the reducer.
[0003] In view of the above factors, a special anti-twist fixing device for the reducer of the straightening machine is designed to ensure that the anti-twist device of the reducer of the straightening machine is stable and reliable, and to ensure the normal operation and stable production of the straightening machine of the continuous casting machine. Utility Model Content
[0004] The purpose of the utility model is to provide an anti-twist fixing device for a reducer of a tension and straightening machine, so as to solve the problems raised in the above-mentioned background technology.
[0005] The purpose of the utility model is achieved through the following technical solutions: an anti-twist fixing device for a tension and straightening machine reducer, comprising a tension and straightening machine reducer, the upper arm base of the tension and straightening machine reducer is provided with an anti-twist fixing device, the anti-twist fixing device is connected to the fastening end of the tension and straightening machine reducer, the fastening end comprises an axial positioning sleeve and a positioning plate located at the outer end of the axial positioning sleeve;
[0006] The fastening end is detachably connected to the anti-twist fixing device, and the anti-twist fixing device is an integrated fixing structure.
[0007] Furthermore, the fastening end is arranged on a side opposite to the reducer cursor mounting position, and the fastening end is coaxially arranged with the anti-twist fixing device.
[0008] Furthermore, the fastening end is detachably connected to the anti-twist fixing device by means of a bolt connection.
[0009] Furthermore, the fastening end is provided with a bolt hole which cooperates with the bolt hole on the anti-twist fixing device.
[0010] Furthermore, the anti-twist fixing device comprises an anti-twist base and an anti-twist pin shaft matched with the anti-twist base, and the anti-twist pin shaft is a stepped shaft structure;
[0011] The bottom of the anti-twist pin shaft is welded with the anti-twist base to form an integrated structure.
[0012] Furthermore, the anti-twist pin is processed into a stepped shaft of Φ50mm*160mm and Φ70mm*28mm.
[0013] Furthermore, the anti-twist base is provided with a stepped hole which cooperates with the anti-twist pin shaft.
[0014] Furthermore, the sizes of the stepped holes are Φ50mm*20mm and Φ70mm*40mm respectively.
[0015] Compared with the prior art, the utility model has the following beneficial effects:
[0016] The utility model does not affect the layout and function of the original equipment, achieves the purpose of preventing the anti-twist device from failing, thereby realizing the stability and reliability of the anti-twist device of the reducer of the straightening machine, ensuring the normal operation and stable production of the straightening machine of the continuous casting machine, realizing the increase of the strength of the anti-twist device, saving costs, and greatly reducing the labor for repairing and replacing the anti-twist pin shaft, while reducing the failure rate of the reducer of the straightening machine and improving the operating efficiency of the straightening machine of the continuous casting machine. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the reducer of the utility model tension straightening machine;
[0018] Figure 2 This utility model Figure 1 A partial enlarged schematic diagram of the reducer of the intermediate straightening machine;
[0019] Figure 3 It is a schematic diagram of the anti-twist base of the utility model;
[0020] Figure 4 This is a schematic diagram of the anti-twist pin shaft of the utility model;
[0021] Figure 5 This is a schematic diagram of the cooperation between the anti-twist base and the anti-twist pin of the utility model;
[0022] Figure 6 This is a schematic diagram of the cooperation between the axial positioning sleeve and the positioning plate of the utility model;
[0023] Figure 7 It is an overall schematic diagram of the anti-twist fixing device of the utility model. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0026] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0027] like Figure 1-7 As shown, an anti-twist fixing device for a tension and straightening machine reducer comprises a tension and straightening machine reducer, an upper arm base of the tension and straightening machine reducer is provided with an anti-twist fixing device 1, the anti-twist fixing device 1 is connected to a fastening end 2 of the tension and straightening machine reducer, and the fastening end 2 comprises an axial positioning sleeve 2-1 and a positioning plate 2-2 located at the outer end of the axial positioning sleeve 2-1;
[0028] The fastening end 2 is detachably connected to the anti-twist fixing device 1 , and the anti-twist fixing device 1 is an integrated fixing structure.
[0029] In order to facilitate coaxial installation in use, the fastening end 2 is arranged on the side opposite to the reducer cursor installation position 3, and the fastening end 2 is coaxially arranged with the anti-twist fixing device 1, and the fastening end 2 and the anti-twist fixing device 1 are detachably connected in a bolted manner.
[0030] In order to facilitate the purpose of preventing the anti-twist device from failing in use, thereby realizing the stability and reliability of the anti-twist device of the tension and straightening machine reducer, the fastening end 2 is provided with a bolt hole that cooperates with the bolt hole on the anti-twist fixing device 1, and the anti-twist fixing device 1 includes an anti-twist base 1-1 and an anti-twist pin shaft 1-2 that cooperates with the anti-twist base 1-1, and the anti-twist pin shaft 1-2 is a stepped shaft structure;
[0031] The bottom of the anti-twist pin 1-2 is welded with the anti-twist base 1-1 to form an integrated structure, thereby increasing the torsional strength of the anti-twist device of the reducer.
[0032] In order to facilitate the use of the 6# continuous casting machine production line, the supporting straightening machine of the production line is assembled, the anti-twist pin shaft 1-2 is processed into Φ50mm*160mm and Φ70mm*28mm stepped shafts, and the anti-twist base 1-1 is provided with a stepped hole 1-3 that cooperates with the anti-twist pin shaft 1-2.
[0033] The sizes of the stepped holes are Φ50mm*20mm and Φ70mm*40mm respectively.
[0034] The utility model discloses that the anti-twist shaft is inserted into the anti-twist base for assembly, and the bottom of the anti-twist shaft and the anti-twist base are welded and polished before assembly, thereby achieving the purpose of increasing the strength of the anti-twist device, saving costs, and greatly reducing the labor for repairing and replacing the anti-twist pin shaft. At the same time, the failure rate of the speed reducer of the straightening machine is reduced, and the operating efficiency of the straightening machine of the continuous casting machine is improved.
[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0036] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. An anti-twist fixing device for a tension and straightening machine reducer, comprising a tension and straightening machine reducer, characterized in that: The upper arm base of the tension and straightening machine reducer is provided with an anti-twist fixing device (1), the anti-twist fixing device (1) is connected to the fastening end (2) of the tension and straightening machine reducer, and the fastening end (2) includes an axial positioning sleeve (2-1) and a positioning plate (2-2) located at the outer end of the axial positioning sleeve (2-1); The fastening end (2) is detachably connected to the anti-twist fixing device (1), and the anti-twist fixing device (1) is an integrated fixing structure.
2. The anti-twist fixing device for the reducer of the tension and straightening machine according to claim 1 is characterized in that: The fastening end (2) is arranged on a side opposite to the reducer cursor mounting position (3), and the fastening end (2) and the anti-twist fixing device (1) are arranged coaxially.
3. The anti-twist fixing device for the reducer of the tension and straightening machine according to claim 2 is characterized in that: The fastening end (2) is detachably connected to the anti-twist fixing device (1) by means of a bolt connection.
4. The anti-twist fixing device for the reducer of the tension and straightening machine according to claim 3 is characterized in that: The fastening end (2) is provided with a bolt hole which cooperates with the bolt hole on the anti-twist fixing device (1).
5. The anti-twist fixing device for the reducer of the tension and straightening machine according to claim 4 is characterized in that: The anti-twist fixing device (1) comprises an anti-twist base (1-1) and an anti-twist pin shaft (1-2) matched with the anti-twist base (1-1), and the anti-twist pin shaft (1-2) is arranged in a stepped shaft structure; The bottom of the anti-twist pin shaft (1-2) is welded with the anti-twist base (1-1) to form an integrated structure.
6. The anti-twist fixing device for the reducer of the tension and straightening machine according to claim 5 is characterized in that: The anti-twist pin shaft (1-2) is processed into Φ50mm*160mm and Φ70mm*28mm stepped shafts.
7. The anti-twist fixing device for the reducer of the tension and straightening machine according to claim 6 is characterized in that: The anti-twist base (1-1) is provided with a stepped hole (1-3) that matches the anti-twist pin shaft (1-2).
8. The anti-twist fixing device for the reducer of the tension and straightening machine according to claim 7 is characterized in that: The sizes of the stepped holes are Φ50mm*20mm and Φ70mm*40mm respectively.