CN210461582U - Chain transmission mechanism with torque protection - Google Patents
Chain transmission mechanism with torque protection Download PDFInfo
- Publication number
- CN210461582U CN210461582U CN201921232427.9U CN201921232427U CN210461582U CN 210461582 U CN210461582 U CN 210461582U CN 201921232427 U CN201921232427 U CN 201921232427U CN 210461582 U CN210461582 U CN 210461582U
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- transmission shaft
- sleeve
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- nut
- chain
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Abstract
The utility model relates to a chain drive mechanism with torque protection, which comprises a transmission shaft and a mounting frame, wherein the transmission shaft is rotatably connected with the mounting frame through a bearing, a driving chain sheet and a driven chain sheet are arranged on the transmission shaft, an adjusting seat is connected on the transmission shaft, the adjusting seat comprises a sleeve connected with the transmission shaft and a sleeve connecting support plate, the driving chain sheet is sleeved outside the sleeve, the sleeve is positioned at both sides of the driving chain sheet and is sleeved with the friction sheet, a sleeve nut for pressing the friction sheet and the driving chain sheet onto the support plate is sleeved on the sleeve, the sleeve is positioned at the outer side of the sleeve nut and is in threaded connection with a torque nut for adjusting the position of the sleeve nut, the driven chain sheet is tightly connected on the transmission shaft, when a workpiece is clamped or a chain is clamped, the torque force on the transmission shaft is larger than the friction force provided by the friction sheet, the driving chain sheet begins to slip, and the functions of protecting the speed reducer and the motor are achieved.
Description
Technical Field
The utility model relates to a chain transfer chain especially relates to a chain drive with moment of torsion protection.
Background
Chain transfer chain includes the conveying roller, and between the conveying roller and the conveying roller all is connected through chain cooperation chain piece with driving motor and reducing gear box, and traditional drive mechanism is by speed reducer direct drive chain, and this kind of drive mode is rigid transmission, if work piece card material or chain card pause, then can cause the speed reducer to damage or the motor burns out.
SUMMERY OF THE UTILITY MODEL
The applicant has developed and improved the above drawbacks and has provided a chain transmission with torque protection.
The utility model discloses the technical scheme who adopts as follows:
the utility model provides a chain drive with moment of torsion protection, includes transmission shaft and mounting bracket, the transmission shaft passes through the bearing and rotates the connection mounting bracket, just installation initiative chain piece and driven chain piece on the transmission shaft, the adjustment seat is connected on the transmission shaft, the adjustment seat is including connecting in the sleeve of transmission shaft and the cover joint support board on, the initiative chain piece cover is established in the sleeve outside, and the sleeve is located initiative chain piece both sides and all overlaps and establish the friction disc, and the cover is established and is compressed tightly the cutting ferrule nut in the backup pad with friction disc and initiative chain piece on the sleeve, and the sleeve is located the torque nut that cutting ferrule nut outside threaded connection adjusted the cutting ferrule nut position, driven chain piece fastening connection is on the transmission shaft.
As a further improvement of the above technical solution:
the bearing mounting groove is formed in the mounting frame, the bearing is a sliding block bearing, sliding grooves are formed in the upper side and the lower side of the sliding block bearing, sliding rails are mounted on the upper side and the lower side of the mounting groove in a matched mode, the sliding block bearing is connected with an adjusting screw rod, and the adjusting screw rod is connected with an adjusting nut on the mounting frame.
The adjusting seat is in keyed connection with the transmission shaft through a flat key, and a spring retainer ring is arranged on the outer side of the flat key of the transmission shaft.
The torque adjusting screw is characterized in that a threaded hole is formed in the torque nut, a torque adjusting bolt is connected in the threaded hole, the torque adjusting bolt penetrates through the threaded hole to be ejected to the outer side of the sleeve nut, and a locking nut is further in threaded connection with the torque adjusting screw on the outer side of the torque nut.
The driven chain sheet is sleeved on the transmission shaft and is fixedly connected with the transmission shaft through a set screw.
The utility model has the advantages as follows: according to the chain transmission mechanism with torque protection, the driving chain sheet is clamped and fastened through the two friction sheets, the transmission shaft can be regarded as rigid transmission when rotating normally, when a workpiece is clamped or the chain is clamped, the torque force on the transmission shaft is larger than the friction force provided by the friction sheets, and the driving chain sheet starts to slip, so that the functions of protecting the speed reducer and the motor are achieved.
Drawings
Fig. 1 is a schematic structural diagram of the chain transmission mechanism with torque protection provided by the present invention.
Fig. 2 is a side view of the chain drive with torque protection provided by the present invention.
In the figure: 1. a drive shaft; 2. a mounting frame; 21. mounting grooves; 22. a slide rail; 23. adjusting the nut; 3. A driving chain sheet; 4. a driven link; 41. tightening the screw; 5. an adjusting seat; 51. a sleeve; 52. a support plate; 6. a friction plate; 7. cutting the nut; 8. a torque nut; 81. a threaded hole; 82. a torque adjusting bolt; 83. locking the nut; 9. a slider bearing; 91. a chute; 93. adjusting the screw rod.
Detailed Description
The following describes a specific embodiment of the present embodiment with reference to the drawings.
As shown in fig. 1 and fig. 2, the chain transmission mechanism with torque protection of this embodiment includes a transmission shaft 1 and a mounting frame 2, a bearing mounting groove 21 is formed on the mounting frame 2, a slider bearing 9 is connected between the slide rails 22, slide grooves 91 are formed on both the upper side and the lower side of the slider bearing 9, the slide rails 22 are mounted on both the upper side and the lower side of the mounting groove 21, the slider bearing 9 can be guided by the slide rails 22, the slider bearing 9 is connected with an adjusting screw 93, the adjusting screw 93 is connected with an adjusting nut 23 on the mounting frame 2, the position of the slider bearing 9 can be adjusted by rotating the adjusting screw 93, the tightness of the chain can be adjusted, the transmission shaft 1 is connected with the inner ring of the slider bearing 9, the transmission shaft 1 is rotatably connected with the mounting frame 2, a driving chain piece 3 and a driven chain piece 4 are mounted on the transmission shaft 1, the transmission shaft, the adjusting seat 5 comprises a sleeve 51 connected to the transmission shaft 1 and a connecting support plate 52 connected to the sleeve 51, the driving chain sheet 3 is sleeved outside the sleeve 51, friction sheets 6 are sleeved on both sides of the sleeve 51 on the driving chain sheet 3, a clamping sleeve nut 7 for pressing the friction sheets 6 and the driving chain sheet 3 onto the support plate 52 is sleeved on the sleeve 51, the sleeve 51 is positioned outside the clamping sleeve nut 7 and is in threaded connection with a torque nut 8 for adjusting the position of the clamping sleeve nut 7, a threaded hole 81 is formed in the torque nut 8, a torque adjusting bolt 82 is connected in the threaded hole 81, the torque adjusting bolt 82 penetrates through the threaded hole 81 and is pushed to the outside of the clamping sleeve nut 7, a locking nut 83 is further connected on the torque adjusting bolt 82 outside the torque nut 8 in a threaded connection, the position of the clamping sleeve nut 7 can be adjusted by rotating the torque adjusting bolt 82, so as to adjust, namely, the torque is adjusted, the driven chain piece 4 is sleeved on the transmission shaft 1, and the driven chain piece 4 is tightly connected with the transmission shaft 1 through a set screw 41.
When the chain transmission mechanism with torque protection is used, under a normal conveying state, the torque force on the transmission shaft 1 is smaller than the friction force provided by the friction plate 6, and the driving chain plate 3 rotates along with the friction plate 6 and the adjusting seat 5 so as to drive the transmission shaft 1 to normally rotate; when a workpiece is clamped or a chain is clamped, the torque on the transmission shaft 1 is gradually increased until the torque is larger than the friction force provided by the friction plate 6, the torque can overcome the friction force of the friction plate 6, the driving chain plate 3 and the friction plate 6 move relatively, namely the driving chain plate 3 begins to slip, and the functions of protecting the speed reducer and the motor are achieved.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.
Claims (5)
1. A chain drive with torque protection, characterized in that: comprises a transmission shaft (1) and a mounting rack (2), the transmission shaft (1) is rotatably connected with the mounting rack (2) through a bearing, and a driving chain sheet (3) and a driven chain sheet (4) are arranged on the transmission shaft (1), the transmission shaft (1) is connected with an adjusting seat (5), the adjusting seat (5) comprises a sleeve (51) connected with the transmission shaft (1) and a supporting plate (52) connected with the sleeve (51), the driving chain sheet (3) is sleeved on the outer side of the sleeve (51), and sleeve (51) are located driving chain piece (3) both sides and all overlap and establish friction disc (6), and the cover is established and is compressed tightly cutting ferrule nut (7) on backup pad (52) friction disc (6) and driving chain piece (3) on sleeve (51), and sleeve (51) are located cutting ferrule nut (7) outside threaded connection and adjust torsion nut (8) of cutting ferrule nut (7) position, driven chain piece (4) fastening connection is on transmission shaft (1).
2. The chain drive with torque protection as set forth in claim 1, wherein: offer bearing mounting groove (21) on mounting bracket (2), the bearing adopts slider bearing (9), spout (91) are all offered to slider bearing (9) upper and lower side, the cooperation slide rail (22) are all installed to mounting groove (21) upper and lower side, adjusting screw (93) are connected in slider bearing (9), and adjusting screw (93) are connected with adjusting nut (23) on mounting bracket (2).
3. The chain drive with torque protection as set forth in claim 1, wherein: the adjusting seat (5) is in keyed connection with the transmission shaft (1) through a flat key, and a spring retainer ring is arranged on the outer side, located on the flat key, of the transmission shaft (1).
4. The chain drive with torque protection as set forth in claim 1, wherein: the torque nut (8) is provided with a threaded hole (81), a torque adjusting bolt (82) is connected in the threaded hole (81), the torque adjusting bolt (82) penetrates through the threaded hole (81) to be ejected to the outer side of the sleeve nut (7), and a locking nut (83) is further in threaded connection with the torque adjusting bolt (82) on the outer side of the torque nut (8).
5. The chain drive with torque protection as set forth in claim 1, wherein: the driven chain sheet (4) is sleeved on the transmission shaft (1), and the driven chain sheet (4) is fixedly connected with the transmission shaft (1) through a set screw (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921232427.9U CN210461582U (en) | 2019-07-31 | 2019-07-31 | Chain transmission mechanism with torque protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921232427.9U CN210461582U (en) | 2019-07-31 | 2019-07-31 | Chain transmission mechanism with torque protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210461582U true CN210461582U (en) | 2020-05-05 |
Family
ID=70449514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921232427.9U Active CN210461582U (en) | 2019-07-31 | 2019-07-31 | Chain transmission mechanism with torque protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210461582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112510369A (en) * | 2020-11-24 | 2021-03-16 | 武汉滨湖电子有限责任公司 | Antenna every single move transmission with early warning protection |
-
2019
- 2019-07-31 CN CN201921232427.9U patent/CN210461582U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112510369A (en) * | 2020-11-24 | 2021-03-16 | 武汉滨湖电子有限责任公司 | Antenna every single move transmission with early warning protection |
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