Pump shaft driven in elliptical triangular meshing mode

Abstract

The utility model relates to the technical field of pump shafts, in particular to a pump shaft adopting an elliptical triangular meshing mode for transmission, which is convenient for independently replacing a gear shaft and a first transmission shaft according to abrasion conditions, reduces cost and reduces vibration and noise. Comprising a body mechanism and a driving mechanism. The device further comprises a connecting mechanism, a fixing mechanism and a connecting transmission mechanism, the connecting mechanism is fixed to the main body mechanism through the fixing mechanism, the driving mechanism is installed on the connecting mechanism through the connecting transmission mechanism, power is conveniently transmitted to the main body mechanism through the connecting mechanism, and the connecting mechanism is fixed through the fixing mechanism. The driving mechanism drives the main body mechanism, and the connecting transmission mechanism is used for installing and fixing the driving mechanism and the connecting mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of pump shafts, in particular to a pump shaft which is driven by an elliptical triangle meshing mode. Background Art

[0002] The pump shaft is a key component in pump equipment. Its main function is to transmit torque so that the impeller can rotate and drive the liquid to flow. The pump shaft is usually made of high-quality carbon steel or alloy steel and is precisely forged and processed to ensure its strength, rigidity and wear resistance.

[0003] Existing pump shafts, such as the prior art with application number CN201920191241.7, include a pump shaft body, an inner hole, a fixing hole and a spray layer. The pump shaft body is provided with a through inner hole and an oil injection hole, which is convenient for installation and fixation and increases lubrication; the combination of the fixing holes and the elastic grooves on the pump shaft body also facilitates the connection of the pump shaft body; the design of the wear-resistant ceramic layer inside and outside the pump shaft body and the spray layer increases its wear resistance and durability.

[0004] However, when the pump shaft is conveying materials, friction occurs between the pump shaft and the pump casing and the materials, resulting in severe wear. Friction also occurs when the pump shaft is connected to the output shaft of the motor. In the prior art, when wear occurs at both ends of the pump shaft, the entire pump shaft needs to be replaced, thereby increasing costs. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a pump shaft that uses an elliptical triangle meshing mode for transmission, which is convenient for separate replacement of the gear shaft and the first transmission shaft according to wear conditions, reduces costs, and reduces vibration and noise.

[0006] The utility model discloses a pump shaft which is driven by an elliptical triangle meshing method, comprising a main body mechanism and a driving mechanism; further comprising a connecting mechanism, a fixing mechanism and a connecting transmission mechanism, wherein the connecting mechanism is fixed to the main body mechanism by the fixing mechanism, and the driving mechanism is installed on the connecting mechanism by the connecting transmission mechanism, and power is conveniently transmitted to the main body mechanism by the connecting mechanism, the fixing mechanism fixes the connecting mechanism, the driving mechanism drives the main body mechanism, and the connecting transmission mechanism installs and fixes the driving mechanism and the connecting mechanism; power is conveniently transmitted to the main body mechanism by the connecting mechanism, thereby driving the main body mechanism to rotate, the fixing mechanism fixes the connecting mechanism, the driving mechanism drives the main body mechanism, and the connecting transmission mechanism installs and fixes the driving mechanism and the connecting mechanism, and the connecting mechanism and the connecting transmission mechanism are conveniently replaced separately according to the wear conditions, thereby improving practicality.

[0007] Preferably, the main body mechanism includes teeth and a gear shaft, and the teeth are mounted on the gear shaft; the gear shaft is assisted by the teeth to transport the material under the action of the pump casing.

[0008] Preferably, the connecting mechanism includes a first transmission shaft, two limit plates, two connecting blocks, a plurality of connecting grooves, two binding rings and a plurality of groove blocks. A limit plate is installed on each of the first transmission shaft and the gear shaft. The two connecting blocks are respectively installed on the two limit plates. Both connecting blocks are provided with connecting grooves, and the two binding rings are installed with groove blocks. When the first transmission shaft is to be connected and transmitted with the gear shaft, the two binding rings are buckled on the two connecting blocks, and then the binding rings are limited by the two limit plates. After that, the two binding rings are fixed by the fixing mechanism, and the groove block is clamped in the connecting groove, thereby completing the connection between the gear shaft and the first transmission shaft, and the gear shaft is transmitted through the first transmission shaft, and the transmission is transmitted by the groove block clamped in the binding ring.

[0009] Preferably, the fixing mechanism includes a plurality of first fixing plates, a plurality of second fixing plates, a plurality of first fixing bolts and a plurality of first fixing nuts, the first fixing plates are each installed on the connecting blocks, the second fixing plates are installed on both ends of the binding ring, the first fixing plates and the second fixing plates are each provided with fixing through holes, the first fixing bolt is threadedly matched with the first fixing nut, and the first fixing nut is installed on the second fixing plate on a binding ring; when the first transmission shaft and the gear shaft are to be connected for transmission, the two binding rings are buckled on the two connecting blocks, and then the binding rings are limited by two limiting plates, and then the first fixing bolt is passed through the fixing through holes of the first fixing plate and the second fixing plate, the first fixing bolt is rotated, and the two binding rings are fixed by the threaded cooperation of the first fixing bolt and the first fixing nut, the groove block is clamped in the connecting groove, thereby completing the connection between the gear shaft and the first transmission shaft, the gear shaft is transmitted through the first transmission shaft, and the transmission is transmitted by the groove block clamped in the binding ring.

[0010] Preferably, the driving mechanism includes a driving motor and a driving shaft, the driving shaft is installed on the output end of the driving motor, and the driving shaft is connected to the first transmission shaft through a connecting transmission mechanism; by turning on the driving motor, the driving shaft is driven to rotate, and then the gear shaft is driven to rotate through the transmission of the first transmission shaft, and then the gear is driven to rotate to transport the material.

[0011] Preferably, the connecting transmission mechanism includes two connecting plates, a second transmission shaft, a transmission shaft groove, a second fixing nut and a second fixing bolt. The two connecting plates are respectively installed on the first transmission shaft and the driving shaft, the second transmission shaft is installed in the first transmission shaft, and the transmission shaft groove is installed on the connecting plate on the driving shaft. Both connecting plates are provided with through holes, and the second fixing nut is threadedly matched with the second fixing bolt; by inserting the transmission shaft groove into the second transmission shaft, and then passing the second fixing bolt through the through holes of the two connecting plates, and then rotating the second fixing nut, due to the threaded relationship, the second fixing bolt and the second fixing nut fix the connecting plate, and transmission is performed through the second transmission shaft and the transmission shaft groove.

[0012] Preferably, the binding ring and the two connecting blocks are in an interference fit; the above arrangement reduces vibration and noise.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the connecting mechanism is used to transmit power to the main mechanism, thereby driving the main mechanism to rotate; the fixing mechanism fixes the connecting mechanism, the driving mechanism drives the main mechanism, and the connecting transmission mechanism installs and fixes the driving mechanism and the connecting mechanism; the connecting mechanism and the connecting transmission mechanism are convenient for replacement according to wear conditions, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a first axonometric structural schematic diagram of the utility model;

[0015] Figure 2 It is a second axonometric structural schematic diagram of the utility model;

[0016] Figure 3 It is a third axonometric structural schematic diagram of the utility model;

[0017] Figure 4 It is a front-view cross-sectional axonometric structural schematic diagram of the utility model;

[0018] Figure 5 It is a schematic diagram of the side-view cross-section axonometric structure of the utility model;

[0019] Markings in the accompanying drawings: 01, main mechanism; 11, teeth; 12, gear shaft; 02, connecting mechanism; 21, first transmission shaft; 22, limit plate; 23, connecting block; 24, connecting groove; 25, binding ring; 26, groove block; 03, fixing mechanism; 31, first fixing plate; 32, second fixing plate; 33, first fixing bolt; 34, first fixing nut; 04, driving mechanism; 41, driving motor; 42, driving shaft; 05, connecting transmission mechanism; 51, connecting plate; 52, second transmission shaft; 53, transmission shaft groove; 54, second fixing nut; 55, second fixing bolt. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example 1

[0022] like Figures 1 to 5As shown, it includes a main body mechanism 01 and a driving mechanism 04, and also includes a connecting mechanism 02, a fixing mechanism 03 and a connecting transmission mechanism 05. The connecting mechanism 02 is fixed on the main body mechanism 01 through the fixing mechanism 03, and the driving mechanism 04 is installed on the connecting mechanism 02 through the connecting transmission mechanism 05;

[0023] The connecting mechanism 02 is used to transmit power to the main mechanism 01, the fixing mechanism 03 fixes the connecting mechanism 02, the driving mechanism 04 drives the main mechanism 01, and the connecting transmission mechanism 05 installs and fixes the driving mechanism 04 and the connecting mechanism 02;

[0024] The main mechanism 01 includes a tooth 11 and a gear shaft 12, and the tooth 11 is mounted on the gear shaft 12;

[0025] The connecting mechanism 02 includes a first transmission shaft 21, two limit plates 22, two connecting blocks 23, a plurality of connecting grooves 24, two binding rings 25 and a plurality of groove blocks 26. A limit plate 22 is installed on each of the first transmission shaft 21 and the gear shaft 12. The two connecting blocks 23 are respectively installed on the two limit plates 22. The two connecting blocks 23 are both provided with connecting grooves 24. The two binding rings 25 are provided with groove blocks 26.

[0026] The fixing mechanism 03 includes a plurality of first fixing plates 31, a plurality of second fixing plates 32, a plurality of first fixing bolts 33 and a plurality of first fixing nuts 34. The first fixing plates 31 are installed on the connecting blocks 23, and the second fixing plates 32 are installed at both ends of the binding ring 25. The first fixing plates 31 and the second fixing plates 32 are both provided with fixing through holes. The first fixing bolts 33 are threadedly matched with the first fixing nuts 34, and the first fixing nuts 34 are installed on the second fixing plates 32 on one binding ring 25.

[0027] When the first transmission shaft 21 is to be connected and transmitted with the gear shaft 12, the two binding rings 25 are buckled on the two connecting blocks 23, and then the binding rings 25 are limited by the two limiting plates 22. Thereafter, the first fixing bolt 33 is passed through the fixing through holes of the first fixing plate 31 and the second fixing plate 32, and the first fixing bolt 33 is rotated. The two binding rings 25 are fixed by the threaded cooperation of the first fixing bolt 33 and the first fixing nut 34, and the groove block 26 is clamped in the connecting groove 24, thereby completing the connection between the gear shaft 12 and the first transmission shaft 21, and the gear shaft 12 is transmitted through the first transmission shaft 21, and the groove block 26 is clamped in the binding ring 25 for transmission, the driving mechanism 04 drives the main mechanism 01, and the connecting transmission mechanism 05 installs and fixes the driving mechanism 04 and the connecting mechanism 02, and the connecting mechanism 02 and the connecting transmission mechanism 05 are convenient for replacement according to wear conditions, thereby improving practicality.

[0028] Example 2

[0029] like Figure 3 and Figure 4 As shown, it includes a main body mechanism 01 and a driving mechanism 04, and also includes a connecting mechanism 02, a fixing mechanism 03 and a connecting transmission mechanism 05. The connecting mechanism 02 is fixed on the main body mechanism 01 through the fixing mechanism 03, and the driving mechanism 04 is installed on the connecting mechanism 02 through the connecting transmission mechanism 05;

[0030] The connecting mechanism 02 is used to transmit power to the main mechanism 01, the fixing mechanism 03 fixes the connecting mechanism 02, the driving mechanism 04 drives the main mechanism 01, and the connecting transmission mechanism 05 installs and fixes the driving mechanism 04 and the connecting mechanism 02;

[0031] The driving mechanism 04 includes a driving motor 41 and a driving shaft 42. The driving shaft 42 is installed on the output end of the driving motor 41. The driving shaft 42 is connected to the first transmission shaft 21 through the connecting transmission mechanism 05.

[0032] The connecting transmission mechanism 05 includes two connecting plates 51, a second transmission shaft 52, a transmission shaft groove 53, a second fixing nut 54 and a second fixing bolt 55. The two connecting plates 51 are respectively mounted on the first transmission shaft 21 and the driving shaft 42. The second transmission shaft 52 is mounted in the first transmission shaft 21. The transmission shaft groove 53 is mounted on the connecting plate 51 on the driving shaft 42. Both connecting plates 51 are provided with perforations. The second fixing nut 54 is threadedly matched with the second fixing bolt 55.

[0033] The connecting mechanism 02 is used to transmit power to the main mechanism 01, thereby driving the main mechanism 01 to rotate, and the fixing mechanism 03 fixes the connecting mechanism 02. The driving motor 41 is turned on to drive the driving shaft 42 to rotate, and then the gear shaft 12 is driven to rotate through the transmission of the first transmission shaft 21, and then the gear 11 is driven to rotate to transport the material. The transmission shaft groove 53 is inserted into the second transmission shaft 52, and then the second fixing bolt 55 is passed through the through holes of the two connecting plates 51, and then the second fixing nut 54 is rotated. Due to the threaded relationship, the second fixing bolt 55 and the second fixing nut 54 fix the connecting plate 51, and the transmission is carried out through the second transmission shaft 52 and the transmission shaft groove 53. The binding ring 25 and the two connecting blocks 23 are interference fit to reduce vibration and noise.

[0034] like Figures 1 to 5As shown, the utility model is a pump shaft that uses an elliptical triangle meshing method for transmission. When it is working, when the first transmission shaft 21 is to be connected and transmitted with the gear shaft 12, the two binding rings 25 are buckled on the two connecting blocks 23, and then the binding rings 25 are limited by the two limiting plates 22, and then the first fixing bolt 33 is passed through the fixing through holes of the first fixing plate 31 and the second fixing plate 32, and the first fixing bolt 33 is rotated, and the two binding rings 25 are fixed by the threaded cooperation of the first fixing bolt 33 and the first fixing nut 34, and the groove block 26 is clamped in the connecting groove 24, thereby completing the connection between the gear shaft 12 and the first transmission shaft 21, and the gear shaft 12 is connected through the first transmission shaft 21. The transmission is carried out by clamping the groove block 26 in the binding ring 25, and the driving motor 41 is turned on to drive the driving shaft 42 to rotate, and then the gear shaft 12 is driven to rotate through the transmission of the first transmission shaft 21, and then the gear 11 is driven to rotate to transport the material, by inserting the transmission shaft groove 53 into the second transmission shaft 52, and then passing the second fixing bolt 55 through the through holes of the two connecting plates 51, and then rotating the second fixing nut 54. Due to the threaded relationship, the second fixing bolt 55 and the second fixing nut 54 fix the connecting plate 51, and the transmission is carried out through the second transmission shaft 52 and the transmission shaft groove 53. The binding ring 25 and the two connecting blocks 23 are interference fit to reduce vibration and noise.

[0035] The drive motor 41 of the utility model is purchased on the market, and technicians in the industry only need to install and operate it according to the accompanying instruction manual, without the need for technicians in the field to make creative efforts.

[0036] The main functions achieved by the utility model are: during the operation of the pump shaft, it is convenient to replace the gear shaft 12 and the first transmission shaft 21 separately according to the wear conditions, thereby reducing costs, vibration and noise.

[0037] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A pump shaft that uses an elliptical triangle meshing mode for transmission, comprising a main mechanism (01) and a driving mechanism (04); characterized in that: It also includes a connecting mechanism (02), a fixing mechanism (03) and a connecting transmission mechanism (05), wherein the connecting mechanism (02) is fixed to the main mechanism (01) via the fixing mechanism (03), and the driving mechanism (04) is installed on the connecting mechanism (02) via the connecting transmission mechanism (05); The connecting mechanism (02) is convenient for transmitting power to the main mechanism (01), the fixing mechanism (03) fixes the connecting mechanism (02), the driving mechanism (04) drives the main mechanism (01), and the connecting transmission mechanism (05) installs and fixes the driving mechanism (04) and the connecting mechanism (02).

2. A pump shaft driven by elliptical triangle meshing as claimed in claim 1, characterized in that: The main body mechanism (01) comprises a tooth (11) and a tooth shaft (12), wherein the tooth (11) is mounted on the tooth shaft (12).

3. A pump shaft driven by elliptical triangle meshing as claimed in claim 2, characterized in that: The connection mechanism (02) comprises a first transmission shaft (21), two limit plates (22), two connection blocks (23), a plurality of connection grooves (24), two binding rings (25) and a plurality of groove blocks (26); a limit plate (22) is mounted on each of the first transmission shaft (21) and the gear shaft (12); the two connection blocks (23) are mounted on the two limit plates (22) respectively; the two connection blocks (23) are both provided with connection grooves (24); and the two binding rings (25) are mounted with groove blocks (26).

4. A pump shaft driven by elliptical triangle meshing as claimed in claim 3, characterized in that: The fixing mechanism (03) includes a plurality of first fixing plates (31), a plurality of second fixing plates (32), a plurality of first fixing bolts (33) and a plurality of first fixing nuts (34). The first fixing plates (31) are installed on the connecting blocks (23), and the second fixing plates (32) are installed at both ends of the binding ring (25). The first fixing plates (31) and the second fixing plates (32) are provided with fixing through holes. The first fixing bolts (33) are threadedly matched with the first fixing nuts (34), and the first fixing nuts (34) are installed on the second fixing plates (32) on a binding ring (25).

5. A pump shaft driven by elliptical triangle meshing as claimed in claim 3, characterized in that: The driving mechanism (04) comprises a driving motor (41) and a driving shaft (42). The driving shaft (42) is mounted on the output end of the driving motor (41). The driving shaft (42) is connected to the first transmission shaft (21) via a connecting transmission mechanism (05).

6. A pump shaft driven by elliptical triangle meshing as claimed in claim 5, characterized in that: The connecting transmission mechanism (05) comprises two connecting plates (51), a second transmission shaft (52), a transmission shaft groove (53), a second fixing nut (54) and a second fixing bolt (55); the two connecting plates (51) are respectively mounted on the first transmission shaft (21) and the drive shaft (42); the second transmission shaft (52) is mounted in the first transmission shaft (21); the transmission shaft groove (53) is mounted on the connecting plate (51) on the drive shaft (42); both connecting plates (51) are provided with through holes; the second fixing nut (54) is threadedly matched with the second fixing bolt (55).

7. A pump shaft driven by elliptical triangle meshing as claimed in claim 3, characterized in that: The binding ring (25) and the two connecting blocks (23) are fitted in an interference fit.

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