阅读说明：本技术 一种电位计测角系统的同步带传动系统 (Synchronous belt transmission system of potentiometer angle measuring system ) 是由 张敬佩 于 2020-08-03 设计创作，主要内容包括：本发明涉及一种电位计测角系统的同步带传动系统,包括底座、驱动电机、从动齿轮、主轴、主动同步带轮、同步带、从动同步带轮和电位计,底座两侧固连有支撑架,驱动电机固连在底座上,驱动电机输出端固连有主动齿轮,主动齿轮与从动齿轮啮合,从动齿轮固连在主轴上,主轴转动连接在支撑架上,主动同步带轮固连在主轴上,同步带一侧套接在主动同步带轮外,同步带另一侧套接在从动同步带轮外,从动同步带轮与电位计端入轴相连,本发明具有有效避免了齿轮齿隙带来的较大测量误差,还由于采用标准件同步带轮及同步带取代了齿轮,提高了传动结构的经济性的优点。(The invention relates to a synchronous belt transmission system of a potentiometer angle measuring system, which comprises a base, a driving motor, a driven gear and a main shaft, the invention has the advantages that the larger measurement error caused by gear backlash is effectively avoided, and the gears are replaced by the standard synchronous pulleys and the synchronous belts, so that the economy of a transmission structure is improved.)

1. The utility model provides a synchronous belt drive system of potentiometre angle measurement system which characterized in that: comprises a base (1), a driving motor (2), a driven gear (3), a main shaft (4), a driving synchronous pulley (5), a synchronous belt (6), a driven synchronous pulley (7) and a potentiometer (8), base (1) both sides have linked firmly support frame (11), driving motor (2) link firmly on base (1), driving motor (2) output has linked firmly driving gear (21), driving gear (21) and driven gear (3) meshing, driven gear (3) link firmly on main shaft (4), main shaft (4) are rotated and are connected on support frame (11), driving synchronous pulley (5) link firmly on main shaft (4), hold-in range (6) one side cup joints outside driving synchronous pulley (5), hold-in range (6) opposite side cup joints outside driven synchronous pulley (7), driven synchronous pulley (7) are held the income axle with potentiometre (8) and are linked to each other.

2. A synchronous belt drive system for a potentiometer angular measurement system according to claim 1, wherein: the potentiometer support (12) is fixedly connected onto the base (1), the potentiometer support (12) is rotatably connected with a wheel disc (13), a support (14) is fixedly connected onto the wheel disc (13), the potentiometer (8) is fixedly connected onto the support (14), and an input shaft of the potentiometer (8) penetrates through the support (14) and the wheel disc (13) to be fixedly connected with the driven synchronous belt wheel (7).

3. A synchronous belt drive system for a potentiometer angular measurement system according to claim 2, wherein: the axis of the input shaft of the potentiometer (8) does not coincide with the rotation axis of the wheel disc (13).

4. A synchronous belt drive system for a potentiometer angular measurement system according to claim 2, wherein: the outer diameter of the support (14) is larger than that of the potentiometer (8).

5. A synchronous belt drive system for a potentiometer angular measurement system according to claim 2, wherein: one side of the top of the potentiometer support (12) is in threaded connection with a limit bolt (16), and the limit bolt (16) is embedded into one end of the potentiometer support (12) and is abutted to the outer arc surface of the wheel disc (13).

6. The synchronous belt drive system of a potentiometer angular measurement system according to claim 5, wherein: an annular groove is formed in the outer arc surface of the wheel disc (13), an embedding ring (15) is sleeved in the groove, the hardness of the embedding ring (15) is lower than that of the wheel disc (13), and a limiting bolt (16) is inserted into the embedding ring (15).

7. The synchronous belt drive system of a potentiometer angular measurement system according to claim 6, wherein: the thickness of the embedding ring (15) is smaller than the depth of the groove.

8. The synchronous belt drive system of a potentiometer angular measurement system according to claim 5, wherein: the axial direction of the limiting bolt (16) is not the same as the radial direction of the wheel disc (3).

9. A synchronous belt drive system for a potentiometer angular measurement system according to claim 1, wherein: the driven gear (3) is of a fan-shaped structure, gear teeth are arranged on the arc surface at the outermost side, and the driving gear (21) is meshed with the gear teeth.

10. A synchronous belt drive system for a potentiometer angular measurement system according to claim 1, wherein: the driving synchronous pulley (5), the synchronous belt (6) and the driven synchronous pulley (7) are all provided with gear teeth.

Technical Field

The invention relates to the technical field of potentiometer angle measuring systems, in particular to a synchronous belt transmission system of a potentiometer angle measuring system.

Background

Most of the conventional low-precision rotary table potentiometer angle measuring systems adopt gear transmission structures, and the gear transmission structures are high in manufacturing cost and large in weight and volume; the low-precision gear transmission has large tooth clearance and large noise, and the angle measurement error is increased along with the tooth clearance and the noise; the machining and maintenance costs of the gears are also high.

Therefore, in view of the above disadvantages, it is desirable to provide a synchronous belt drive system for a potentiometer angle measurement system.

Disclosure of Invention

Technical problem to be solved

The invention aims to solve the technical problems of large volume, heavy weight, high noise, large transmission error and the like caused by the traditional gear transmission structure.

(II) technical scheme

In order to solve the technical problem, the invention provides a synchronous belt transmission system of a potentiometer angle measuring system, which comprises a base, a driving motor, a driven gear, a main shaft, a driving synchronous belt wheel, a synchronous belt, a driven synchronous belt wheel and a potentiometer, wherein support frames are fixedly connected to two sides of the base, the driving motor is fixedly connected to the base, a driving gear is fixedly connected to the output end of the driving motor, the driving gear is meshed with the driven gear, the driven gear is fixedly connected to the main shaft, the main shaft is rotatably connected to the support frames, the driving synchronous belt wheel is fixedly connected to the main shaft, one side of the synchronous belt is sleeved outside the driving synchronous belt wheel, the other side of the synchronous belt is sleeved outside the driven synchronous belt wheel, and.

As a further explanation of the present invention, preferably, the base is fixedly connected with a potentiometer support, the potentiometer support is rotatably connected with a wheel disc, the wheel disc is fixedly connected with a support, the potentiometer is fixedly connected with the support, and the potentiometer input shaft penetrates through the support and the wheel disc to be fixedly connected with the driven synchronous pulley.

As a further illustration of the invention, it is preferred that the axis of the potentiometer input shaft does not coincide with the wheel disc rotation axis.

As a further illustration of the invention, it is preferred that the outer diameter of the holder is greater than the outer diameter of the potentiometer.

As a further description of the present invention, preferably, one side of the top of the potentiometer support is in threaded connection with a limit bolt, and one end of the limit bolt is embedded into the potentiometer support and abuts against the outer arc surface of the wheel disc.

As a further explanation of the present invention, it is preferable that an annular groove is formed on the outer arc surface of the wheel disc, an insert ring is fitted in the groove, the hardness of the insert ring is lower than that of the wheel disc, and a limit bolt is inserted into the insert ring.

As a further elaboration of the invention, it is preferred that the thickness of the scarf ring is smaller than the depth of the groove.

As a further explanation of the invention, it is preferred that the axial direction of the limit bolt is not the same as the radial direction of the wheel disc.

As a further description of the present invention, it is preferable that the driven gear has a fan-shaped structure and gear teeth are provided on an outermost arc surface, and the driving gear is engaged with the gear teeth.

As a further illustration of the invention, the driving synchronous pulley, the timing belt and the driven synchronous pulley are preferably cogged.

(III) advantageous effects

The technical scheme of the invention has the following advantages:

the invention adopts a synchronous belt transmission mode to avoid larger errors caused by overlarge gear gaps in gear transmission; the synchronous belt has stable transmission and low noise; the synchronous belt transmission can reduce the weight of the machine body, can also reduce the manufacturing and maintenance cost, can realize the effect of continuously tensioning the synchronous belt by rotating the wheel disc, is convenient for installing the synchronous belt, can also ensure that the synchronous belt has stable transmission ratio, and has the advantages of simplicity, practicability, convenient assembly and adjustment and time saving.

Drawings

FIG. 1 is a diagram of the overall assembly effect of the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is a side view of the present invention;

FIG. 4 is a partial cross-sectional view of the wheel disc of the present invention;

FIG. 5 is a full sectional view of the wheel disc of the present invention.

In the figure: 1. a base; 11. a support frame; 12. a potentiometer support; 13. a wheel disc; 14. a support; 15. embedding and connecting rings; 16. a limit bolt; 2. a drive motor; 21. a driving gear; 3. a driven gear; 4. a main shaft; 5. a driving synchronous pulley; 6. a synchronous belt; 7. a driven synchronous pulley; 8. a potentiometer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

The utility model provides a synchronous belt drive system of potentiometer angle measuring system, combine figure 1, fig. 3, which comprises a base 1, driving motor 2, driven gear 3, main shaft 4, driving synchronous pulley 5, the hold-in range 6, driven synchronous pulley 7 and potentiometer 8, base 1 both sides have linked firmly support frame 11, driving motor 2 links firmly on base 1, driving motor 2 output has linked firmly driving gear 21, driving gear 21 and driven gear 3 meshing, driven gear 3 links firmly on main shaft 4, main shaft 4 rotates to be connected on support frame 11, driving synchronous pulley 5 links firmly on main shaft 4, 6 one side of hold-in range cup joints outside driving synchronous pulley 5, 6 opposite sides of hold-in range cup joint outside driven synchronous pulley 7, driven synchronous pulley 7 links to each other with the 8 end income axles of potentiometer.

With reference to fig. 1 and 3, the base 1 is a flat plate, two triangular support frames 11 are fixedly connected to two ends of the base 1 in the length direction, a circular through hole is formed in the top of each support frame 11, and a bearing is inserted into each through hole; the driving gear 21 is a straight gear, the driven gear 3 is of a fan-shaped structure, gear teeth are arranged on the arc surface on the outermost side, the driving gear 21 is meshed with the gear teeth, the driven gear 3 is set to be fan-shaped, waste of materials is reduced, and the weight of equipment is reduced on the premise that normal work can be guaranteed. The main shaft 4 is a cylindrical shaft, two ends of the main shaft 4 are embedded into bearings, the driving synchronous belt pulley 5 and the driven gear are fixedly connected to the main shaft 4 on two sides of the bearings respectively, the driving synchronous belt pulley 5, the synchronous belt 6 and the driven synchronous belt pulley 7 are all provided with gear teeth, so that the driving synchronous belt pulley 5 can output a stable transmission ratio to the driven synchronous belt pulley 7, and the outer diameter of the driving synchronous belt pulley 5 is larger than that of the driven synchronous belt pulley 7.

With reference to fig. 2 and 4, a potentiometer support 12 is fixedly connected to the base 1, a wheel disc 13 is rotatably connected to the potentiometer support 12, the wheel disc 13 is of a circular disc-shaped structure, a support 14 is fixedly connected to one side surface of the wheel disc 13, a potentiometer 8 is fixedly connected to the support 14, an input shaft of the potentiometer 8 penetrates through the support 14 and the wheel disc 13 to be fixedly connected with the driven synchronous pulley 7, and an axis of the input shaft of the potentiometer 8 is not coincident with a rotation axis of the wheel disc 13; the potentiometer support 12 and the wheel disc 13 are arranged to support the potentiometer 8, the potentiometer 8 is eccentrically arranged, the distance between the axes of the potentiometer 8 and the driven synchronous pulley 7 and the axis of the driving synchronous pulley 5 can be changed by rotating the wheel disc 13, and then the synchronous belt 6 is tensioned or loosened, wherein the distance between the axis of the driven synchronous pulley 7 and the axis of the driving synchronous pulley 5 is the minimum by rotating the wheel disc 13, the synchronous belt 6 can be quite easily disassembled and assembled at the moment, and the synchronous belt 6 cannot be damaged; when the installation hold-in range 6, rotatory rim plate 13 once more increases the distance between 7 axes of driven synchronous pulley and the 5 axes of initiative synchronous pulley, then can realize the tensioning with hold-in range 6, further guarantees the exportable stable drive ratio of hold-in range 6, still can make this transmission system can the hold-in range 6 of the multiple specification of adaptation simultaneously, improves the practicality.

Referring to fig. 4 and 5, the outer diameter of the seat 14 is larger than that of the potentiometer 8, so that the wheel disc 13 can be rotated by pinching the support 14, an additional handle is not required, and the condition that the wheel disc 13 is adjusted by holding the potentiometer 8 to damage the potentiometer 8 can be avoided. There is stop bolt 16 on one side of potentiometer support 12 top threaded connection, and stop bolt 16 imbeds 12 one end of potentiometer support and 13 extrados butt of rim plate, through setting up 16 accessible butt friction restriction rim plate 13 rotations of stop bolt to stabilize the position of potentiometer 8, guarantee that the angle measurement work can normally and accurately go on.

With reference to fig. 4 and 5, an annular groove is formed in the outer arc surface of the wheel disc 13, an embedding ring 15 is sleeved in the groove, the embedding ring 15 can be a circular ring made of a material with certain elasticity, such as a rubber ring or an epoxy ring, so that the hardness of the embedding ring 15 is lower than that of the wheel disc 13, and the thickness of the embedding ring 15 is smaller than the depth of the groove, so that the smooth rotation of the wheel disc 13 is not influenced by the friction with the potentiometer support 12; stop bolt 16 can insert in scarf joint ring 15 to further increase the frictional force with rim plate 13, make rim plate 13 more difficult autonomic rotation, stop bolt 16 axis direction is not the same with the radial direction of rim plate 13 simultaneously, can avoid stop bolt 16 directly to insert in scarf joint ring 15 and cause permanent damage to scarf joint ring 15, improve scarf joint ring 15 life, can utilize friction restriction rim plate 13 to rotate again, kill two birds with one stone.

In conclusion, the synchronous belt transmission mode is adopted, so that a large error caused by overlarge gear backlash in gear transmission is avoided; the synchronous belt has stable transmission and low noise; the synchronous belt transmission can reduce the weight of the machine body, can also reduce the manufacturing and maintenance cost, can realize the effect of continuously tensioning the synchronous belt by rotating the wheel disc, is convenient for installing the synchronous belt, can also ensure that the synchronous belt has stable transmission ratio, and has the advantages of simplicity, practicability, convenient assembly and adjustment and time saving.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.