Novel synchronous belt connecting device
By installing bearings on the outer wall of the pulley cover of the reducer or motor, the synchronous pulley is connected to the reducer or motor as one unit, which solves the stress concentration and vibration problems caused by the connection between the synchronous belt and the motor, and achieves more stable transmission and high load-bearing capacity.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-16
- Publication Date
- 2026-03-20
AI Technical Summary
The existing method of connecting synchronous belts to motors can easily lead to stress concentration and uneven force on the input shaft of the reducer, resulting in vibration and decreased transmission accuracy.
Install the first and second bearings on the outer wall of the wheel seat cover of the reducer or motor to connect the synchronous pulley to the reducer or motor as one unit. Use the wheel seat cover as a new bearing surface to share the input shaft load and avoid stress concentration and vibration.
It improves transmission stability, prevents input shaft misalignment and vibration, and enhances load-bearing capacity, making it suitable for demanding applications such as robotics and aerospace.
Smart Images
Figure CN224017655U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of transmission parts, and particularly relates to a novel synchronous belt connecting device. BACKGROUND
[0002] Synchronous belts are widely used industrial products, which are suitable for various application scenarios, including industrial automation, automobile manufacturing, medical equipment, robots, printing and textile, food processing and various fields, due to the characteristics of accurate transmission, low noise, high bearing and the like.
[0003] The connection modes of the synchronous belt and the motor in the prior art mainly include flat key connection, tight connection, top screw fixing and expansion sleeve fixing, simple keyway installation structure, threaded connection or the like, so that the synchronous pulley is fixed on the shaft end of the speed reducer, all loads are borne by the input shaft of the speed reducer, stress concentration is prone to occur, and the input shaft of the speed reducer is prone to deviation or vibration due to uneven force, which affects transmission accuracy and speed reducer working efficiency. SUMMARY
[0004] In order to overcome some problems mentioned in the background, the utility model provides a novel synchronous belt connecting device to at least partially solve the above problems.
[0005] According to the technical scheme of the utility model, a novel synchronous belt connecting device is provided, which comprises a wheel seat cover, an input shaft, a synchronous belt connecting assembly, a first bearing and a second bearing, the input shaft is provided with a key in a key groove, and the first bearing and the second bearing are arranged on the outer side wall of the input shaft.
[0006] The synchronous belt connecting assembly comprises a pulley front plate, a pulley and a pulley rear plate, the pulley front plate is connected with the pulley rear plate, the pulley is arranged between the pulley front plate and the pulley rear plate, and the first bearing and the second bearing are arranged between the wheel seat cover and the synchronous belt connecting assembly.
[0007] Further, the pulley is connected with the first bearing and the second bearing respectively, and the pulley front plate and the pulley rear plate are fixedly connected through screws.
[0008] Further, the second bearing is limited through a fixing plate, the fixing plate is fixedly connected on the wheel seat cover through screws, and the first bearing is connected on the wheel seat cover through a limiting piece.
[0009] Further, the pulley front plate is fixedly connected on the input shaft through screws.
[0010] Further, the wheel seat cover is connected on a speed reducer or a motor.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] The utility model discloses a wheel seat cover of increasing reduction gear outer wall is made as a new bearing surface, and the first bearing and the second bearing are installed, can greatly improve the stability of transmission, avoid the deviation or vibration caused by uneven stress, and share the input shaft load, prevent the stress concentration problem.
[0013] The utility model discloses the first bearing and the second bearing of increasing are installed on the wheel seat cover of reduction gear outer wall, and the bearing is also installed in the inside of synchronous pulley simultaneously, make synchronous pulley and reduction gear connection as a whole, effectively utilize the redundant space on reduction gear top, avoid waste also without squeezing the redundant installation space. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the structure diagram of the utility model embodiment;
[0015] Figure 2 It is the front view of the utility model embodiment;
[0016] Figure 3 It is the left view of the utility model embodiment;
[0017] Figure 4 It is the perspective view of the utility model embodiment.
[0018] In the drawing, 1-wheel seat cover;2-input shaft;3-first bearing;4-second bearing;5-key;6-belt wheel front plate;7-belt wheel;8-belt wheel rear plate;9-fixed plate. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments will be described clearly and completely below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments;Based on the embodiments, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the protection range.
[0020] The utility model embodiment provides a kind of novel synchronous belt connecting device, including wheel seat cover 1, input shaft 2, synchronous belt connecting component, first bearing 3 and second bearing 4, the key 5 is equipped in the keyway of input shaft 2, the first bearing 3 and second bearing 4 are respectively arranged on the outer side wall of input shaft 2;
[0021] The synchronous belt connecting component includes belt wheel front plate 6, belt wheel 7 and belt wheel rear plate 8, the belt wheel front plate 6 is connected with belt wheel rear plate 8, the belt wheel 7 is arranged between belt wheel front plate 6 and belt wheel rear plate 8, the first bearing 3 and second bearing 4 are arranged between wheel seat cover 1 and synchronous belt connecting component.
[0022] In further embodiments of the present application, the pulley 7 is connected with the first bearing 3 and the second bearing 4 respectively, and the pulley front plate 6 and the pulley rear plate 8 are fixedly connected by screws.
[0023] In further embodiments of the present application, the second bearing 4 is limited by the fixing plate 9, which is fixedly connected on the wheel seat cover 1 by screws, and the first bearing 3 is connected on the wheel seat cover 1 by a limiting member.
[0024] In further embodiments of the present application, the pulley front plate 6 is fixedly connected on the input shaft 2 by screws.
[0025] In further embodiments of the present application, a speed reducer or a motor is further included, and the wheel seat cover 1 is connected on the speed reducer or the motor.
[0026] It should be noted that, in addition to the conventional key connection with the input shaft 2, the structure of the speed reducer or the motor wheel seat cover 1 outer wall is also utilized in the installation of the synchronous belt and the speed reducer or the motor, the first bearing 3 and the second bearing 4 are added, the wheel seat cover 1 of the speed reducer or the motor is also used as a bearing surface, and the synchronous pulley 7 is connected with the speed reducer or the motor to form a whole.
[0027] The addition of the first bearing 3 and the second bearing 4 can greatly improve the stability of the transmission, avoid deviation or vibration caused by uneven stress, share the load of the input shaft 2, prevent stress concentration, and greatly improve the carrying capacity.
[0028] The first bearing 3 and the second bearing 4 are installed on the wheel seat cover 1 of the outer wall of the speed reducer or the motor, and at the same time, the first bearing 3 and the second bearing 4 are inside the synchronous pulley 7, so that the synchronous pulley 7 and the speed reducer or the motor are connected as a whole, and the space above the speed reducer or the motor is fully utilized.
[0029] The core installation steps of the present application are as follows:
[0030] First, the first bearing 3 and the second bearing 4 are installed in the corresponding positions of the wheel seat cover 1 in sequence, and then the fixing plate 9 is fixedly installed in the corresponding position by screws.
[0031] The key 5 is put into the key groove of the input shaft 2 of the speed reducer or the motor in advance, and then the pulley rear plate 8, the pulley 7 and the pulley front plate 6 are installed in the corresponding positions in sequence and fixed by multiple screws.
[0032] Finally, the pulley front plate 6 is installed by screws, and a new synchronous pulley connecting device is installed, and the synchronous belt body is connected with the synchronous pulley 7 to form a complete new synchronous belt.
[0033] The bearing of the synchronous pulley 7 connecting device has high precision, can bear strong load, effectively shares the pressure of the input shaft, ensures long-term stable operation of the input shaft 2 of the speed reducer, is suitable for high requirement scenes such as robots, aerospace and medical treatment, compared with the traditional synchronous pulley only through the key and screw connection speed reducer input shaft mounting structure, the first bearing 3 and the second bearing 4 are added, the bearing capacity of the input shaft 2 is effectively improved, stress concentration is prevented, deviation or vibration caused by uneven stress of the input shaft 2 is avoided, and mechanical stability is improved; and the synchronous pulley 7 is installed on the wheel seat cover 1 outside the speed reducer or the motor through the first bearing 3 and the second bearing 4, the synchronous pulley 7 and the speed reducer or the motor are connected as a whole, the unused space above the speed reducer or the motor is fully utilized, and no extra installation space is occupied.
[0034] The above only describes preferred embodiments of the utility model and is not used to limit the utility model, for those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A novel synchronous belt connecting device, characterized in that, It includes a wheel seat cover, an input shaft, a timing belt connecting assembly, a first bearing, and a second bearing. The input shaft has a key in its keyway, and the first and second bearings are respectively disposed on the outer side wall of the input shaft. The synchronous belt connecting assembly includes a pulley front plate, a pulley, and a pulley rear plate. The pulley front plate is connected to the pulley rear plate, and the pulley is disposed between the pulley front plate and the pulley rear plate. The first bearing and the second bearing are disposed between the wheel seat cover and the synchronous belt connecting assembly.
2. The novel synchronous belt connecting device according to claim 1, characterized in that, The pulleys are connected to the first bearing and the second bearing respectively, and the front plate and the rear plate of the pulleys are fixedly connected by screws.
3. The novel synchronous belt connecting device according to claim 1, characterized in that, The second bearing is limited by a fixing plate, which is fixedly connected to the wheel seat cover by screws, and the first bearing is connected to the wheel seat cover by a limiting member.
4. The novel synchronous belt connecting device according to claim 1, characterized in that, The pulley front plate is fixedly connected to the input shaft by screws.
5. The novel synchronous belt connecting device according to claim 1, characterized in that, It also includes a speed reducer or a motor, and the wheel seat cover is connected to the speed reducer or the motor.