CN216618446U

CN216618446U - Transmission structure of testing machine

Info

Publication number: CN216618446U
Application number: CN202220054852.9U
Authority: CN
Inventors: 耿然; 公磊; 李东坡
Original assignee: Jinan Yinuo Century Test Instrument Co ltd
Current assignee: Jinan Yinuo Century Test Instrument Co ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-05-27
Anticipated expiration: 2032-01-10

Abstract

The utility model relates to the technical field of testing machines, in particular to a transmission structure of a testing machine, which can flexibly adjust the position of a tension pulley through an adjusting mechanism, thereby adjusting and controlling the tension degree of a synchronous belt, reducing vibration during synchronous belt transmission and achieving the purpose of reducing noise; the device comprises a workbench and a power mechanism, wherein the power mechanism is fixedly arranged at the top of the workbench; the automatic transmission mechanism comprises a power mechanism, and is characterized by further comprising a power shaft, a first belt wheel, a transmission lead screw, a second belt wheel, a synchronous belt, a convex tooth, a convex ring, a transverse plate, a rear plate, an adjusting mechanism, a rotating shaft and a tensioning wheel, wherein the power shaft is arranged at the output end of the power mechanism and downwards penetrates through the workbench, the first belt wheel is fixedly arranged at the bottom of the power shaft, and the transmission lead screw is rotatably arranged at the left part of the workbench.

Description

Transmission structure of testing machine

Technical Field

The utility model relates to the technical field of testing machines, in particular to a transmission structure of a testing machine.

Background

The transmission structure of the testing machine is an auxiliary device which is used for providing power for an experimental mechanism in the running process of the testing machine and facilitating the stable running of the testing machine, and is widely used in the technical field of testing machines; when the existing transmission structure of the testing machine is used, a power mechanism and a transmission lead screw are connected through a transmission mechanism to provide power for equipment; but the band pulley position of current testing machine transmission structure is far away from the workstation, and the span between two sets of band pulleys is great, vibrates greatly when synchronous belt drive, and the noise is great.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a transmission structure of a testing machine with low noise.

The utility model discloses a transmission structure of a testing machine, which comprises a workbench and a power mechanism, wherein the power mechanism is fixedly arranged at the top of the workbench; the automatic adjusting device comprises a power mechanism, a first belt wheel, a transmission screw, a second belt wheel, a synchronous belt, a convex tooth, a convex ring, a transverse plate, a rear plate, an adjusting mechanism, a rotating shaft and a tensioning wheel, wherein the power shaft is arranged at the output end of the power mechanism and downwards penetrates through a workbench; when using the testing machine transmission structure, can carry out nimble adjustment to the position of take-up pulley through guiding mechanism to adjust control is carried out to the tensioning degree of hold-in range, reduce in hold-in range transmission and shake, reach the purpose of noise reduction, effectively increase the friction between second band pulley and synchronous belt through the dogtooth simultaneously, prevent that second band pulley and hold-in range from skidding, the position of first band pulley and second band pulley is close to the workstation simultaneously, effectively improves driven stability.

Preferably, the adjusting mechanism comprises a solenoid, a screw rod, an installation plate and a front plate, the solenoid is rotatably arranged in the middle of the rear plate, the rear portion of the screw rod is inserted backwards from the front portion of the solenoid and screwed in the middle of the solenoid, the installation plate is fixedly arranged in the front portion of the screw rod, the front plate is fixedly arranged at the upper end of the front portion of the installation plate, and the rotating shaft is rotatably arranged at the middle end of the bottom of the front plate.

Preferably, the first pulley and the second pulley each span a small distance from the table.

Preferably, still include lock pipe and bolt, the lock pipe is fixed to be set up in the rear portion of back plate, and the middle part of screwed pipe is located to the lock pipe box, and the one end of bolt is inserted in the lock pipe and is contacted with the middle part of screwed pipe from the middle part of lock pipe.

Preferably, the positioning device further comprises a positioning pipe and a positioning rod, the positioning pipe is fixedly arranged at the front part of the rear plate, the positioning rod is fixedly arranged at the rear part of the mounting plate, the rear part of the positioning rod is inserted into the positioning pipe from the front part of the positioning pipe, and the positioning rod can slide back and forth in the positioning pipe.

Preferably, the device further comprises a fixing frame, the fixing frame is fixedly arranged at the top of the workbench, a bearing is arranged at the top of the fixing frame, and the bearing is sleeved on the lower portion of the transmission screw rod.

Preferably, the protective cover is fixedly arranged at the bottom of the workbench and covers the outer portions of the first belt wheel and the second belt wheel.

Compared with the prior art, the utility model has the beneficial effects that: when using the testing machine transmission structure, can carry out nimble adjustment to the position of take-up pulley through guiding mechanism to adjust control is carried out to the tensioning degree of hold-in range, reduce in hold-in range transmission and shake, reach the purpose of noise reduction, effectively increase the friction between second band pulley and synchronous belt through the dogtooth simultaneously, prevent that second band pulley and hold-in range from skidding, the position of first band pulley and second band pulley is close to the workstation simultaneously, effectively improves driven stability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic bottom view of the adjustment mechanism of the present invention;

fig. 3 is a schematic top view of the second pulley of the present invention;

FIG. 4 is an enlarged schematic view of A in FIG. 1;

FIG. 5 is a schematic structural view of a conventional secondary pulley and a table;

in the drawings, the reference numbers: 1. a work table; 2. a power mechanism; 3. a power shaft; 4. a first pulley; 5. a drive screw; 6. a second pulley; 7. a synchronous belt; 8. a convex tooth; 9. a convex ring; 10. a transverse plate; 11. a back plate; 12. a rotating shaft; 13. a tension wheel; 14. a solenoid; 15. a screw; 16. mounting a plate; 17. a front plate; 18. locking the tube; 19. a bolt; 20. a positioning tube; 21. positioning a rod; 22. a fixed mount; 23. a protective cover.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

A transmission structure of a testing machine comprises a workbench 1 and a power mechanism 2, wherein the power mechanism 2 is fixedly arranged at the top of the workbench 1; the automatic feeding device further comprises a power shaft 3, a first belt wheel 4, a transmission screw 5, a second belt wheel 6, a synchronous belt 7, a convex tooth 8, a convex ring 9, a transverse plate 10, a rear plate 11, an adjusting mechanism, a rotating shaft 12 and a tension wheel 13, wherein the power shaft 3 is arranged at the output end of the power mechanism 2 and downwards penetrates through the workbench 1, the first belt wheel 4 is fixedly arranged at the bottom of the power shaft 3, the transmission screw 5 is rotatably arranged at the left part of the workbench 1, the second belt wheel 6 is fixedly arranged at the bottom of the transmission screw 5, the synchronous belt 7 is sleeved at the middle parts of the first belt wheel 4 and the second belt wheel 6, the convex tooth 8 is fixedly arranged at the middle part of the second belt wheel 6, the convex ring 9 is fixedly arranged at the top and the bottom of the second belt wheel 6, the transverse plate 10 is fixedly arranged at the rear part of the workbench 1, the rear plate 11 is fixedly arranged at the lower end of the rear part of the transverse plate 10, the adjusting mechanism is arranged at the middle part of the rear plate 11, and the rotating shaft 12 is arranged on the adjusting mechanism, the tensioning wheel 13 is fixedly arranged in the middle of the rotating shaft 12, the middle of the tensioning wheel 13 is in contact with the synchronous belt 7, the adjusting mechanism comprises a spiral tube 14, a screw rod 15, an installation plate 16 and a front plate 17, the spiral tube 14 is rotatably arranged in the middle of the rear plate 11, the rear part of the screw rod 15 is inserted backwards from the front part of the spiral tube 14 and is screwed in the middle of the spiral tube 14, the installation plate 16 is fixedly arranged in the front part of the screw rod 15, the front plate 17 is fixedly arranged at the upper end of the front part of the installation plate 16, the rotating shaft 12 is rotatably arranged at the middle end of the bottom of the front plate 17, and the first belt pulley 4 and the second belt pulley 6 are small in span with the workbench 1; when using the testing machine transmission structure, can carry out nimble adjustment to the position of take-up pulley 13 through guiding mechanism, thereby adjust control to the tensioning degree of hold-in range 7, reduce in hold-in range 7 transmission and vibrate, reach the purpose of noise abatement, effectively increase the friction between second band pulley 6 and hold-in range 7 through dogtooth 8 simultaneously, prevent that second band pulley 6 and hold-in range 7 from skidding, the position of first band pulley 4 and second band pulley 6 is close to workstation 1 simultaneously, effectively improve driven stability.

Example 2

A transmission structure of a testing machine comprises a workbench 1 and a power mechanism 2, wherein the power mechanism 2 is fixedly arranged at the top of the workbench 1; the automatic feeding device further comprises a power shaft 3, a first belt wheel 4, a transmission screw 5, a second belt wheel 6, a synchronous belt 7, a convex tooth 8, a convex ring 9, a transverse plate 10, a rear plate 11, an adjusting mechanism, a rotating shaft 12 and a tension wheel 13, wherein the power shaft 3 is arranged at the output end of the power mechanism 2 and downwards penetrates through the workbench 1, the first belt wheel 4 is fixedly arranged at the bottom of the power shaft 3, the transmission screw 5 is rotatably arranged at the left part of the workbench 1, the second belt wheel 6 is fixedly arranged at the bottom of the transmission screw 5, the synchronous belt 7 is sleeved at the middle parts of the first belt wheel 4 and the second belt wheel 6, the convex tooth 8 is fixedly arranged at the middle part of the second belt wheel 6, the convex ring 9 is fixedly arranged at the top and the bottom of the second belt wheel 6, the transverse plate 10 is fixedly arranged at the rear part of the workbench 1, the rear plate 11 is fixedly arranged at the lower end of the rear part of the transverse plate 10, the adjusting mechanism is arranged at the middle part of the rear plate 11, and the rotating shaft 12 is arranged on the adjusting mechanism, the tensioning wheel 13 is fixedly arranged in the middle of the rotating shaft 12, the middle of the tensioning wheel 13 is in contact with the synchronous belt 7, the locking pipe 18 is fixedly arranged at the rear part of the rear plate 11, the locking pipe 18 is sleeved in the middle of the solenoid 14, one end of the bolt 19 is inserted into the locking pipe 18 from the middle of the locking pipe 18 and is in contact with the middle of the solenoid 14, the positioning pipe 20 is fixedly arranged at the front part of the rear plate 11, the positioning rod 21 is fixedly arranged at the rear part of the mounting plate 16, the front part of the positioning pipe 20 at the rear part of the positioning rod 21 is inserted into the positioning pipe 20, the positioning rod 21 can slide back and forth in the positioning pipe 20, the fixing frame 22 is fixedly arranged at the top part of the workbench 1, the bearing is arranged at the top part of the fixing frame 22, the bearing is sleeved at the lower part of the transmission lead screw 5, the protection cover 23 is fixedly arranged at the bottom part of the workbench 1, and the protection cover 23 is covered outside the first pulley 4 and the second pulley 6; when using transmission structure to carry out the transmission, fix a position the direction through registration arm and locating lever to the mounting panel, the lock pipe cooperation bolt locks the screw, and the safety cover is protected the transmission.

As shown in fig. 1 to 5, when the transmission structure of the testing machine is used, the position of the tension pulley 13 can be flexibly adjusted by the adjusting mechanism, so as to adjust and control the tension degree of the synchronous belt 7, reduce the vibration during the transmission of the synchronous belt 7, achieve the purpose of reducing noise, effectively increase the friction between the second belt pulley 6 and the synchronous belt 7 through the convex teeth 8, prevent the second belt pulley 6 and the synchronous belt 7 from slipping, and effectively improve the transmission stability because the positions of the first belt pulley 4 and the second belt pulley 6 are close to the worktable 1.

The transmission structure of the testing machine has the advantages that the installation mode, the connection mode or the arrangement mode are common mechanical modes, the specific structures, models and coefficient indexes of all parts are self-contained technologies, and the transmission structure can be implemented as long as the beneficial effects of the transmission structure can be achieved; the screw tube and the screw rod of the transmission structure of the testing machine are purchased from the market, and technicians in the industry only need to install and operate according to the attached operating instructions without creative labor of the technicians in the field.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A transmission structure of a testing machine comprises a workbench (1) and a power mechanism (2), wherein the power mechanism (2) is fixedly arranged at the top of the workbench (1); the device is characterized by further comprising a power shaft (3), a first belt wheel (4), a transmission lead screw (5), a second belt wheel (6), a synchronous belt (7), a convex tooth (8), a convex ring (9), a transverse plate (10), a rear plate (11), an adjusting mechanism, a rotating shaft (12) and a tension pulley (13), wherein the power shaft (3) is arranged at the output end of the power mechanism (2) and downwards penetrates through the workbench (1), the first belt wheel (4) is fixedly arranged at the bottom of the power shaft (3), the transmission lead screw (5) is rotatably arranged at the left part of the workbench (1), the second belt wheel (6) is fixedly arranged at the bottom of the transmission lead screw (5), the synchronous belt (7) is sleeved at the middle parts of the first belt wheel (4) and the second belt wheel (6), the convex tooth (8) is fixedly arranged at the middle part of the second belt wheel (6), the convex ring (9) is fixedly arranged at the top and the bottom of the second belt wheel (6), the transverse plate (10) is fixedly arranged at the rear part of the workbench (1), the rear plate (11) is fixedly arranged at the lower end of the rear part of the transverse plate (10), the adjusting mechanism is arranged in the middle of the rear plate (11), the rotating shaft (12) is arranged on the adjusting mechanism, the tension wheel (13) is fixedly arranged in the middle of the rotating shaft (12), and the middle of the tension wheel (13) is in contact with the synchronous belt (7).

2. The transmission structure of the testing machine according to claim 1, characterized in that the adjusting mechanism comprises a solenoid (14), a screw (15), a mounting plate (16) and a front plate (17), the solenoid (14) is rotatably arranged in the middle of the rear plate (11), the rear part of the screw (15) is inserted backwards from the front part of the solenoid (14) and is screwed in the middle of the solenoid (14), the mounting plate (16) is fixedly arranged in the front part of the screw (15), the front plate (17) is fixedly arranged at the upper end of the front part of the mounting plate (16), and the rotating shaft (12) is rotatably arranged at the middle end of the bottom of the front plate (17).

3. A transmission structure of a testing machine according to claim 1, characterized in that the first pulley (4) and the second pulley (6) are both small in span with the table (1).

4. The transmission structure of the testing machine according to claim 1, further comprising a locking tube (18) and a bolt (19), wherein the locking tube (18) is fixedly arranged at the rear part of the rear plate (11), the locking tube (18) is sleeved at the middle part of the solenoid (14), and one end of the bolt (19) is inserted into the locking tube (18) from the middle part of the locking tube (18) and is contacted with the middle part of the solenoid (14).

5. The transmission structure of the testing machine according to claim 1, further comprising a positioning tube (20) and a positioning rod (21), wherein the positioning tube (20) is fixedly arranged at the front part of the rear plate (11), the positioning rod (21) is fixedly arranged at the rear part of the mounting plate (16), the rear part of the positioning rod (21) is inserted into the positioning tube (20) from the front part of the positioning tube (20), and the positioning rod (21) can slide back and forth in the positioning tube (20).

6. The transmission structure of the testing machine according to claim 1, further comprising a fixing frame (22), wherein the fixing frame (22) is fixedly arranged at the top of the workbench (1), a bearing is arranged at the top of the fixing frame (22), and the bearing is sleeved at the lower part of the transmission screw (5).

7. The transmission structure of the testing machine according to claim 1, further comprising a protective cover (23), wherein the protective cover (23) is fixedly arranged at the bottom of the working platform (1), and the protective cover (23) is covered outside the first belt wheel (4) and the second belt wheel (6).