CN216284278U

CN216284278U - Transmission shaft test bed

Info

Publication number: CN216284278U
Application number: CN202122568482.9U
Authority: CN
Inventors: 周志成; 孙英超; 胡永钢; 何东梅
Original assignee: Chongqing Zhongte Transmission Equipment Co ltd
Current assignee: Chongqing Zhongte Transmission Equipment Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-04-12
Anticipated expiration: 2031-10-25

Abstract

The utility model belongs to the technical field of transmission shaft detection, and particularly relates to a transmission shaft test bed which comprises a workbench and two fixing mechanisms, wherein a portal frame is fixedly arranged at the top of the workbench, a motor is fixedly arranged at the top of the workbench, a driving belt wheel is fixedly arranged on an output shaft of the motor, a rotating shaft is rotatably arranged on one side of the portal frame, a driven belt wheel is fixedly arranged at one end of the rotating shaft, and the driving belt wheel and the driven belt wheel are in transmission connection with the same belt. The transmission shaft testing device is reasonable in structural design, transmission shafts with different diameters can be tested through the matching of the fixed box, the bidirectional screw rod, the chain wheel, the chain, the nut, the movable plate and the arc-shaped clamping plate, the distance between the two fixed mechanisms can be conveniently adjusted through the matching of the vertical shaft, the driving bevel gear, the driven bevel gear, the screw rod, the threaded cylinder, the bearing and the connecting plate, the transmission shafts with different lengths can be conveniently tested, and the use is convenient.

Description

Transmission shaft test bed

Technical Field

The utility model relates to the technical field of transmission shaft detection, in particular to a transmission shaft test bed.

Background

The components that perform rotational motion, such as various transmission shafts, main shafts, rotors of motors and turbines, are collectively referred to as a rotor. Ideally, the pressure applied to the bearing is the same when the rotor is rotating as when it is not rotating, and such a rotor is a balanced rotor. However, due to the defects of the material of various revolving bodies in the engineering, and due to various factors such as errors generated in design, processing and assembly, when the revolving bodies rotate, centrifugal inertia force generated by each tiny mass point on the revolving bodies cannot be counteracted mutually, the centrifugal inertia force acts on machinery and the foundation through the bearing, vibration is caused, noise is generated, bearing abrasion is accelerated, the service life of the machinery is shortened, and destructive accidents can be caused in serious cases, so that a transmission shaft needs to be subjected to a balance test through a test bed.

However, in the use process of the existing transmission shaft test bed, the transmission shaft test bed is inconvenient to adjust according to the length and the diameter of the transmission shaft, so that the transmission shafts of different specifications cannot be tested, and the practicability is poor, and therefore the transmission shaft test bed is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that the existing transmission shaft test bed is inconvenient to adjust according to the length and the diameter of a transmission shaft in the using process, so that transmission shafts of different specifications cannot be tested, and the practicability is poor.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a portal frame is fixedly mounted at the top of the workbench, a motor is fixedly mounted at the top of the workbench, a driving belt wheel is fixedly mounted on an output shaft of the motor, a rotating shaft is rotatably mounted at one side of the portal frame, a driven belt wheel is fixedly mounted at one end of the rotating shaft, the driving belt wheel and the driven belt wheel are in transmission connection with the same belt, the other end of the rotating shaft is fixedly mounted at one side of the corresponding fixing mechanism, a barrel is fixedly arranged at the other side of the portal frame, a vertical shaft is rotatably mounted at the bottom of the barrel, a driving bevel gear is fixedly mounted on the output shaft of the vertical shaft, a screw rod is rotatably mounted on the inner wall of one side of the barrel, a driven bevel gear is fixedly sleeved at the outer side of the screw rod, the driving bevel gear is meshed with the driven bevel gear, and a threaded barrel is sleeved on the outer thread of the screw rod, one end of the threaded cylinder is rotatably arranged on one side of the corresponding fixing mechanism.

Preferably, fixed establishment is including fixed case, rotate on the top inner wall of fixed case and the bottom inner wall and install two-way lead screws, two-way lead screws's the outside all fixed cup joints the sprocket, and the transmission is connected with same chain on two sprockets, and two nuts have been cup jointed to the equal screw thread in the outside of two-way lead screws, and the movable plate has all been cup jointed fixedly in the outside of four nuts, and fixed mounting has same arc splint between two movable plates that are located on same horizontal plane.

Preferably, the top end of one of the two bidirectional screw rods extends to the upper part of the fixed box and is fixedly provided with a knob.

Preferably, the inner walls of the front side and the rear side of the fixed box are provided with sliding grooves, and the four moving plates are respectively sleeved in the corresponding sliding grooves in a sliding manner.

Preferably, the bearing is fixedly sleeved on the outer side of the threaded cylinder, connecting plates are fixedly mounted at the top and the bottom of the bearing, and one side of each of the two connecting plates is fixedly mounted on one side of the corresponding fixing mechanism.

Preferably, the guide grooves are formed in the top and the bottom of the barrel body, the guide rods are sleeved in the two guide grooves in a sliding mode, and the two guide rods are fixedly installed at the top and the bottom of the threaded barrel respectively.

Preferably, the bottom end of the vertical shaft extends to the lower part of the cylinder body and is fixedly provided with a hand wheel.

Preferably, a through hole is formed in one end of the cylinder body, and the threaded cylinder is sleeved in the through hole in a sliding mode.

In the utility model, the transmission shaft test bed can form a fixing mechanism by matching the fixing box, the two-way screw rod, the chain wheel, the chain, the nut, the moving plate and the arc-shaped clamping plate, and can fix transmission shafts with different diameters;

according to the transmission shaft test bed, the vertical shaft, the driving bevel gear, the driven bevel gear, the screw, the threaded cylinder, the bearing and the connecting plate are matched, so that the distance between the two fixing mechanisms can be conveniently adjusted, transmission shafts with different lengths can be conveniently tested, and the transmission shafts can be driven to rotate through the matching of the motor, the driving belt wheel, the driven belt wheel, the belt and the rotating shaft, so that the balance of the transmission shafts can be tested;

the transmission shaft testing device is reasonable in structural design, transmission shafts with different diameters can be tested through the matching of the fixed box, the bidirectional screw rod, the chain wheel, the chain, the nut, the movable plate and the arc-shaped clamping plate, the distance between the two fixed mechanisms can be conveniently adjusted through the matching of the vertical shaft, the driving bevel gear, the driven bevel gear, the screw rod, the threaded cylinder, the bearing and the connecting plate, the transmission shafts with different lengths can be conveniently tested, and the use is convenient.

Drawings

FIG. 1 is a schematic structural diagram of a transmission shaft test bed according to the present invention;

fig. 2 is a sectional view of a drive shaft test stand according to the present invention;

FIG. 3 is a schematic structural view of part A of a transmission shaft test bed according to the present invention;

fig. 4 is a side sectional view of a fixing mechanism of a propeller shaft test stand according to the present invention.

In the figure: 1. a work table; 2. a gantry; 3. a motor; 4. a fixing mechanism; 5. a barrel; 6. a vertical axis; 7. a hand wheel; 8. a driving pulley; 9. a driven pulley; 10. a belt; 11. a rotating shaft; 12. a drive bevel gear; 13. a driven bevel gear; 14. a screw; 15. a threaded barrel; 16. a guide bar; 17. a bearing; 18. a connecting plate; 19. a fixed box; 20. a bidirectional screw rod; 21. a sprocket; 22. a chain; 23. moving the plate; 24. a nut; 25. an arc-shaped splint; 26. a knob.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1:

referring to fig. 1-3, the transmission shaft test bed comprises a workbench 1 and two fixing mechanisms 4, a portal frame 2 is fixedly installed at the top of the workbench 1, a motor 3 is fixedly installed at the top of the workbench 1, a driving pulley 8 is fixedly installed on an output shaft of the motor 3, a rotating shaft 11 is rotatably installed at one side of the portal frame 2, a driven pulley 9 is fixedly installed at one end of the rotating shaft 11, the same belt 10 is in transmission connection with the driving pulley 8 and the driven pulley 9, the other end of the rotating shaft 11 is fixedly installed at one side of the corresponding fixing mechanism 4, a barrel 5 is fixedly arranged at the other side of the portal frame 2, a vertical shaft 6 is rotatably installed at the bottom of the barrel 5, a driving bevel gear 12 is fixedly installed on an output shaft of the vertical shaft 6, a screw 14 is rotatably installed on the inner wall at one side of the barrel 5, a driven bevel gear 13 is fixedly sleeved at the outer side of the screw 14, and the driving bevel gear 12 is engaged with the driven bevel gear 13, a threaded cylinder 15 is sleeved on the outer side of the screw 14 in a threaded manner, one end of the threaded cylinder 15 is rotatably arranged on one side of the corresponding fixing mechanism 4, one end of a transmission shaft is placed in the left fixing mechanism 4 for fixing, then the vertical shaft 6 is rotated according to the length of the transmission shaft, the vertical shaft 6 drives the driving bevel gear 12 to rotate, the driving bevel gear 12 drives the driven bevel gear 13 and the screw 14 to rotate, the screw 14 drives the threaded cylinder 15 and the right fixing mechanism 4 to move left, so that the distance between the two fixing mechanisms 4 can be adjusted, the transmission shafts with different lengths can be conveniently fixed, the transmission shafts with different lengths can be conveniently detected, then the other end of the transmission shaft is fixed in the right fixing mechanism 4, the motor 3 is started, the motor 3 drives the driving belt wheel 8 to rotate, and the driving belt wheel 8 drives the driven belt wheel 9 and the rotating shaft 11 to rotate through the transmission of the belt 10, the rotating shaft 11 drives the transmission shaft to rotate, so that the balance of the transmission shaft can be tested.

Example 2:

referring to fig. 4, on the basis of embodiment 1, the fixing mechanism 4 includes a fixing box 19, two bidirectional screws 20 are rotatably mounted on the top inner wall and the bottom inner wall of the fixing box 19, sprockets 21 are fixedly sleeved on the outer sides of the two bidirectional screws 20, the same chain 22 is rotatably connected to the two sprockets 21, two nuts 24 are respectively screwed on the outer sides of the two bidirectional screws 20, moving plates 23 are respectively fixedly sleeved on the outer sides of the four nuts 24, the same arc-shaped clamp plate 25 is fixedly mounted between the two moving plates 23 located on the same horizontal plane, one end of the transmission shaft is placed in the fixing box 19, one bidirectional screw 20 is rotated, the two bidirectional screws 20 synchronously rotate under the transmission of the two sprockets 21 and the chain 22, the two bidirectional screws 20 drive the four nuts 24, the four moving plates 23 and the two arc-shaped clamp plates 25 to approach each other, through adjusting the interval between two arc splint 25, be convenient for fix the transmission shaft of different diameters to the convenience is tested the transmission shaft of different diameters.

In the utility model, the top end of one bidirectional screw rod 20 of the two bidirectional screw rods 20 extends to the upper part of the fixed box 19 and is fixedly provided with a knob 26, and the bidirectional screw rod 20 is convenient to rotate through the knob 26.

In the utility model, the inner walls of the front side and the rear side of the fixed box 19 are respectively provided with a sliding groove, the four moving plates 23 are respectively sleeved in the corresponding sliding grooves in a sliding manner, and the moving plates 23 are conveniently guided through the sliding grooves, so that the moving is more stable.

In the utility model, the bearing 17 is fixedly sleeved on the outer side of the threaded cylinder 15, the connecting plates 18 are fixedly arranged at the top and the bottom of the bearing 17, one side of each of the two connecting plates 18 is fixedly arranged at one side of the corresponding fixing mechanism 4, and one fixing mechanism 4 is conveniently and rotatably arranged at one end of the threaded cylinder 15 through the matching of the connecting plate 18 and the bearing 17.

In the utility model, the top and the bottom of the cylinder body 5 are both provided with guide grooves, the guide rods 16 are sleeved in the two guide grooves in a sliding manner, the two guide rods 16 are respectively and fixedly arranged at the top and the bottom of the threaded cylinder 15, and the threaded cylinder 15 is conveniently limited by the guide rods 16 so as not to rotate together with the screw 14.

In the utility model, the bottom end of the vertical shaft 6 extends to the lower part of the cylinder 5 and is fixedly provided with the hand wheel 7, and the vertical shaft 6 is convenient to rotate through the hand wheel 7.

In the utility model, one end of the barrel body 5 is provided with the through hole, the thread barrel 15 is sleeved in the through hole in a sliding manner, and the thread barrel 15 is conveniently guided through the through hole, so that the movement of the thread barrel is more stable.

In the utility model, when in use, one end of a transmission shaft is placed in a left fixing mechanism 4 for fixing, then the vertical shaft 6 is rotated through a hand wheel 7 according to the length of the transmission shaft, the vertical shaft 6 drives a driving bevel gear 12 to rotate, the driving bevel gear 12 drives a driven bevel gear 13 and a screw 14 to rotate, the screw 14 drives a thread cylinder 15 and a right fixing mechanism 4 to move left through the limit of a guide rod 16, so that the distance between the two fixing mechanisms 4 can be adjusted, the transmission shafts with different lengths can be conveniently fixed, the transmission shafts with different lengths can be conveniently detected, then the other end of the transmission shaft is fixed in the right fixing mechanism 4, the transmission shafts with different diameters can be conveniently fixed through the fixing mechanisms 4, the transmission shafts with different lengths and diameters can be conveniently detected, the use is convenient, then the motor 3 is started, and the motor 3 drives a driving belt wheel 8 to rotate, through the transmission of belt 10, driving pulley 8 has driven pulley 9 and the rotation of pivot 11, and pivot 11 has driven the rotation of transmission shaft to can test the balance of transmission shaft.

Claims

1. A transmission shaft test bed comprises a workbench (1) and two fixing mechanisms (4), and is characterized in that a portal frame (2) is fixedly mounted at the top of the workbench (1), a motor (3) is fixedly mounted at the top of the workbench (1), a driving pulley (8) is fixedly mounted on an output shaft of the motor (3), a rotating shaft (11) is rotatably mounted at one side of the portal frame (2), a driven pulley (9) is fixedly mounted at one end of the rotating shaft (11), the driving pulley (8) and the driven pulley (9) are in transmission connection with a same belt (10), the other end of the rotating shaft (11) is fixedly mounted at one side of the corresponding fixing mechanism (4), a barrel body (5) is fixedly arranged at the other side of the portal frame (2), a vertical shaft (6) is rotatably mounted at the bottom of the barrel body (5), and a driving bevel gear (12) is fixedly mounted on an output shaft of the vertical shaft (6), the novel gear box is characterized in that a screw (14) is rotatably mounted on the inner wall of one side of the barrel body (5), a driven bevel gear (13) is fixedly sleeved on the outer side of the screw (14), the driving bevel gear (12) is meshed with the driven bevel gear (13), a threaded barrel (15) is sleeved on the outer side of the screw (14) in a threaded manner, and one end of the threaded barrel (15) is rotatably arranged on one side of the corresponding fixing mechanism (4).

2. The transmission shaft test bed according to claim 1, wherein the fixing mechanism (4) comprises a fixing box (19), two bidirectional screws (20) are rotatably mounted on the inner wall of the top part and the inner wall of the bottom part of the fixing box (19), chain wheels (21) are fixedly sleeved on the outer sides of the two bidirectional screws (20), the two chain wheels (21) are in transmission connection with a same chain (22), two nuts (24) are screwed on the outer sides of the two bidirectional screws (20), a moving plate (23) is fixedly sleeved on the outer sides of the four nuts (24), and a same arc-shaped clamping plate (25) is fixedly mounted between the two moving plates (23) on the same horizontal plane.

3. Transmission shaft test stand according to claim 2, characterized in that the top end of one (20) of the two-way screws (20) extends above the stationary box (19) and is fixedly mounted with a knob (26).

4. The transmission shaft test bed according to claim 2, wherein the inner walls of the front and rear sides of the fixed box (19) are respectively provided with a sliding groove, and the four moving plates (23) are respectively sleeved in the corresponding sliding grooves in a sliding manner.

5. The transmission shaft test bed according to claim 1, wherein a bearing (17) is fixedly sleeved on the outer side of the threaded cylinder (15), connecting plates (18) are fixedly mounted at the top and the bottom of the bearing (17), and one side of each of the two connecting plates (18) is fixedly mounted at one side of the corresponding fixing mechanism (4).

6. The transmission shaft test bed according to claim 1, wherein guide grooves are formed in the top and the bottom of the cylinder body (5), guide rods (16) are sleeved in the two guide grooves in a sliding mode, and the two guide rods (16) are fixedly installed on the top and the bottom of the threaded cylinder (15) respectively.

7. A drive shaft test stand according to claim 1, characterized in that the bottom end of the vertical shaft (6) extends below the cylinder (5) and is fixedly mounted with a hand wheel (7).

8. The transmission shaft test bed according to claim 1, wherein a through hole is formed in one end of the cylinder body (5), and the threaded cylinder (15) is slidably sleeved in the through hole.