CN213779764U - Steel band bending fatigue test device - Google Patents
Steel band bending fatigue test device Download PDFInfo
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- CN213779764U CN213779764U CN202022885950.0U CN202022885950U CN213779764U CN 213779764 U CN213779764 U CN 213779764U CN 202022885950 U CN202022885950 U CN 202022885950U CN 213779764 U CN213779764 U CN 213779764U
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Abstract
The utility model relates to a steel band bending fatigue test device, which comprises a base, the left and right sides of the upper end surface of the base are detachably provided with a first guide pulley, the front and back sides of the upper end surface of the base are detachably provided with a support plate, the first guide pulley is positioned at the inner side of the support plate, a steel band detection device is detachably arranged between the support plates, a support rod is inserted between the top ends of the support plates, the support rod is detachably provided with a cylinder, the outer wall of the cylinder is provided with a plurality of second guide pulleys, and the second guide pulleys positioned at the top ends are detachably provided with a counting sensor; the steel belt is placed on the guide pulley II, and one end of the steel belt is provided with a first connecting seat. The device can effectively simulate the movement tracks of the steel belt on the traction wheel and the guide wheel, thereby promoting the bending fatigue of the steel belt, monitoring the internal health condition of the steel belt in real time, mastering the bending fatigue data of the steel belt in real time and realizing the bending fatigue test of the steel belt.
Description
Technical Field
The utility model relates to a steel band quality test technical field especially relates to a steel band bending fatigue test device.
Background
Along with the increase of population density, the elevator becomes an essential infrastructure of daily life, two ends of a steel belt of the car elevator are respectively connected with the car and the counterweight and wound on the traction wheel and the guide wheel, the traction motor drives the traction wheel to rotate after the speed of the speed reducer is changed, the lifting motion of the car and the counterweight is realized by the traction force generated by the friction of the steel belt and the traction wheel, and the transportation purpose is achieved, wherein the fatigue strength of the steel belt of the elevator is very important for the normal work of the elevator;
the service life of the elevator steel strip is affected by bending times, starting frequency, installation environment and the like, after long-term work, the elevator steel strip can be subjected to bending fatigue failure, so that the performance of the elevator steel strip is tested and detected, and the bending fatigue testing device special for the steel strip is required to be designed to detect the bending fatigue of the steel strip.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problems, and provides a steel band bending fatigue test device.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:
a steel strip bending fatigue test device comprises a base, wherein guide pulleys I are detachably arranged on the left side and the right side of the upper end face of the base, supporting plates are detachably arranged on the front side and the rear side of the upper end face of the base, the guide pulleys I are positioned on the inner sides of the supporting plates, a steel strip detection device is detachably arranged between the supporting plates, supporting rods are inserted between the top ends of the supporting plates, a cylinder is detachably arranged on each supporting rod, a plurality of guide pulleys II are arranged on the outer wall of the cylinder, and a counting sensor is detachably arranged on each guide pulley II positioned at the top end;
the steel belt is placed on the second guide pulley, a first connecting seat is arranged at one end of the steel belt, one end of the second belt is arranged on the lower end face of the first connecting seat, the other end of the steel belt passes through the outer wall of the second guide pulley and penetrates through a steel belt detection device, the steel belt detection device is convenient for monitoring the internal health condition of the steel belt in real time, the second connecting seat is arranged at the other end of the steel belt, and one end of the first belt is arranged on the lower end face of the second connecting seat;
and the driving mechanism is arranged on the base, is positioned on the outer sides of the first guide pulley and the support plate and is used for driving the steel belt to move.
Preferably, a plurality of the guide pulleys are arranged on the outer wall of the cylinder in a clearance mode.
Preferably, the counting sensor is any one of an eddy current sensor, a photoelectric sensor and an acoustic wave sensor.
Preferably, the driving mechanism comprises a first supporting seat, a motor, a round rod, a first bearing, a first belt pulley, a first chain wheel, a second supporting seat, a second bearing, a connecting rod, a second belt pulley, a second chain wheel and a chain, the first supporting seat and the motor are arranged oppositely and detachably on the base, the first supporting seat and the motor are arranged on the left side of the first left guide pulley, the round rod is arranged at the output end of the motor, the front end of the round rod is fixedly connected with the rear side wall of the first supporting seat through the first bearing, the first belt pulley and the first chain wheel are respectively arranged on the wall of the round rod, the first chain wheel is arranged on the rear side of the first belt pulley, the other end of the first belt passes through the outer wall of the first left guide pulley and is wound on the wall of the first belt pulley, the two second supporting seats are detachably arranged on the base and are arranged on the right side of the first right guide pulley, and the connecting rod is rotatably connected between the two supporting seats through the second bearing, the connecting rod wall is provided with a second belt pulley and a second chain wheel, the second chain wheel is located on the rear side of the second belt pulley, the other end of the second belt passes through the outer wall of the first right guide pulley and is wound on the wall of the second belt pulley, and the outer walls of the first chain wheel and the second chain wheel are connected with a chain in a matching mode.
Preferably, the outer ring of the first bearing is fixedly connected with the rear side wall of the first supporting seat through a bearing seat, and the inner ring of the first bearing is connected with the outer wall of the round rod in an interference fit manner.
Preferably, the outer ring of the second bearing is fixedly connected to the outer wall of the second supporting seat through a bearing seat, and the inner ring of the second bearing is connected with the outer wall of the connecting rod in an interference fit manner.
The utility model has the advantages that:
the motor is started in a reverse rotation mode, the belt pulley I is driven to rotate to release the belt I wound on the outer wall of the belt pulley I, the belt pulley II rotates to wind and tighten the belt II on the outer wall of the belt pulley I, the steel belt rotates clockwise on the outer wall of the guide pulley II, the motor is started in a forward rotation mode, the belt pulley I is driven to wind and tighten the belt I on the outer wall of the guide pulley II, meanwhile, the belt pulley II releases the belt II on the outer wall of the belt pulley II, the steel belt rotates anticlockwise on the outer wall of the guide pulley II, the number of turns of the roller on the second guide pulley is counted by the counting sensor, and the steel belt is bent and rotated on the outer wall of the second guide pulley, the device can effectively simulate the motion tracks of the steel strip on the traction sheave and the guide sheave, thereby promoting the bending fatigue of the steel strip, the internal health condition of the steel strip is monitored in real time, the bending fatigue data of the steel strip is mastered in real time, the bending fatigue test of the steel strip is realized, and the control and the use are simpler and more convenient.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a right side view of the support plate of the present invention;
fig. 3 is a top view of the base of the present invention.
In the figure: 1. the device comprises a base, 2, a first guide pulley, 3, a support plate, 4, a steel strip detection device, 5, a support rod, 6, a cylinder, 7, a second guide pulley, 8, a counting sensor, 9, a steel strip, 10, a first connecting seat, 11, a second connecting seat, 12, a first belt, 13, a second belt, 14, a first supporting seat, 15, a motor, 16, a round rod, 17, a first bearing, 18, a first belt pulley, 19, a first chain wheel, 20, a second supporting seat, 21, a second bearing, 22, a connecting rod, 23, a second belt pulley, 24, a second chain wheel, 25 and a chain.
The following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1-3, a steel strip bending fatigue test device comprises a base 1, wherein a first guide pulley 2 is detachably arranged on the left side and the right side of the upper end surface of the base 1, a support plate 3 is detachably arranged on the front side and the rear side of the upper end surface of the base 1, the first guide pulley 2 is positioned on the inner side of the support plate 3, a steel strip detection device 4 is detachably arranged between the support plates 3, a support rod 5 is inserted between the top ends of the support plates 3, a cylinder 6 is detachably arranged on the support rod 5, a plurality of second guide pulleys 7 are arranged on the outer wall of the cylinder 6, and a counting sensor 8 is detachably arranged on the second guide pulleys 7 positioned on the top ends; the steel belt 9 is placed on the second guide pulley 7, a first connecting seat 10 is arranged at one end of the steel belt 9, one end of a second belt 13 is arranged on the lower end face of the first connecting seat 10, the other end of the steel belt 9 passes through the outer wall of the second guide pulley 7 and penetrates through the steel belt detection device 4, the steel belt detection device 4 is convenient for monitoring the internal health condition of the steel belt 9 in real time, a second connecting seat 11 is arranged at the other end of the steel belt 9, and one end of a first belt 12 is arranged on the lower end face of the second connecting seat 11; and the driving mechanism is arranged on the base 1, is positioned on the outer sides of the first guide pulley 2 and the support plate 3 and is used for driving the steel belt 9 to move.
Preferably, the guide pulleys 7 are arranged on the outer wall of the cylinder 6 with gaps.
Preferably, the counting sensor 8 employs any one of an eddy current sensor, a photoelectric sensor, and an acoustic wave sensor.
Preferably, the driving mechanism comprises a first supporting seat 14, a motor 15, a round rod 16, a first bearing 17, a first belt pulley 18, a first chain wheel 19, a second supporting seat 20, a second bearing 21, a connecting rod 22, a second belt pulley 23, a second chain wheel 24 and a chain 25, the first supporting seat 14 and the motor 15 are oppositely arranged and detachably arranged on the base 1, the first supporting seat 14 and the motor 15 are positioned on the left side of the first left guide pulley 2, the round rod 16 is arranged at the output end of the motor 15, the front end of the round rod 16 is fixedly connected with the rear side wall of the first supporting seat 14 through the first bearing 17, the first belt pulley 18 and the first chain wheel 19 are respectively arranged on the wall of the round rod 16, the first chain wheel 19 is positioned on the rear side of the first belt pulley 18, the other end of the first belt 12 passes through the outer wall of the first left guide pulley 2 and is wound on the wall of the first belt pulley 18, the two second supporting seats 20 are detachably arranged on the base 1 and are positioned on the right side of the first right guide pulley 2, a connecting rod 22 is rotatably connected between the second supporting seat 20 through a second bearing 21, a second belt pulley 23 and a second chain wheel 24 are arranged on the wall of the connecting rod 22, the second chain wheel 24 is located on the rear side of the second belt pulley 23, the other end of the second belt 13 passes through the outer wall of the first right guide pulley 2 and is wound on the wall of the second belt pulley 23, and a chain 25 is connected to the outer walls of the first chain wheel 19 and the second chain wheel 24 in a matched mode.
Preferably, the outer ring of the bearing I17 is fixedly connected with the rear side wall of the supporting seat I14 through a bearing seat, and the inner ring of the bearing I17 is connected with the outer wall of the round rod 16 in an interference fit manner.
Preferably, the outer ring of the second bearing 21 is fixedly connected to the outer wall of the second supporting seat 20 through a bearing seat, and the inner ring of the second bearing 21 is connected with the outer wall of the connecting rod 22 in an interference fit manner.
When the utility model is used, the motor 15 is started in the reverse rotation way, the round rod 16 is enabled to drive the first belt pulley 18 and the first chain wheel 19 to rotate through the first bearing 17, the first belt pulley 18 rotates to release the first belt 12 wound on the outer wall of the first belt pulley, the first chain wheel 19 is enabled to drive the second chain wheel 24, the connecting rod 22 and the second belt pulley 23 rotate through the second bearing 21, the second belt pulley 23 rotates to wind the second belt 13 to tighten the outer wall of the second belt, one end of the second belt 13 pulls the first connecting seat 10 and the steel belt 9 to rotate clockwise on the outer wall of the second guide pulley 7, when the first connecting seat 10 rotates to the bottom end and the second connecting seat 11 rotates to the top end, the motor 15 is started in the forward rotation way, the first belt pulley 18 is enabled to wind the first belt 12 on the outer wall of the first belt, the second belt pulley 23 releases the second belt 13 on the outer wall of the second belt, the steel belt 9 rotates anticlockwise on the outer wall of the second guide pulley 7, the number of turns of the idler wheel on the second guide pulley 7 is counted through the counting sensor 8, the steel belt 9 is in bending rotary motion on the outer wall of the second guide pulley 7, the motion track of the steel belt 9 on the traction sheave and the guide pulley is simulated, so that the steel belt 9 is enabled to be in bending fatigue, the internal health condition of the steel belt 9 is monitored in real time through the steel belt detection device 4, and the bending fatigue test of the steel belt 9 is completed.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (6)
1. A steel strip bending fatigue test device is characterized in that: comprises that
The steel belt detection device comprises a base (1), wherein a first guide pulley (2) is detachably arranged on the left side and the right side of the upper end face of the base (1), a support plate (3) is detachably arranged on the front side and the rear side of the upper end face of the base (1), the first guide pulley (2) is positioned on the inner side of the support plate (3), a steel belt detection device (4) is detachably arranged between the support plates (3), a support rod (5) is inserted between the top ends of the support plates (3), a cylinder (6) is detachably arranged on the support rod (5), a plurality of second guide pulleys (7) are arranged on the outer wall of the cylinder (6), and a counting sensor (8) is detachably arranged on the second guide pulley (7) positioned at the top end;
the steel belt (9) is placed on the second guide pulley (7), a first connecting seat (10) is arranged at one end of the steel belt (9), one end of a second belt (13) is arranged on the lower end face of the first connecting seat (10), the other end of the steel belt (9) passes through the outer wall of the second guide pulley (7) and penetrates through the steel belt detection device (4), the steel belt detection device (4) is convenient for monitoring the internal health condition of the steel belt (9) in real time, a second connecting seat (11) is arranged at the other end of the steel belt (9), and one end of the first belt (12) is arranged on the lower end face of the second connecting seat (11);
and the driving mechanism is arranged on the base (1), is positioned on the outer sides of the first guide pulley (2) and the support plate (3), and is used for driving the steel belt (9) to move.
2. A steel strip bending fatigue testing apparatus according to claim 1, characterized in that: the guide pulleys II (7) are arranged on the outer wall of the cylinder (6) at intervals.
3. A steel strip bending fatigue testing apparatus according to claim 1, characterized in that: the counting sensor (8) adopts any one of an eddy current sensor, a photoelectric sensor and an acoustic wave sensor.
4. A steel strip bending fatigue testing apparatus according to claim 1, characterized in that: the driving mechanism comprises a first supporting seat (14), a motor (15), a round rod (16), a first bearing (17), a first belt pulley (18), a first chain wheel (19), a second supporting seat (20), a second bearing (21), a connecting rod (22), a second belt pulley (23), a second chain wheel (24) and a chain (25), wherein the first supporting seat (14) and the motor (15) are arranged oppositely and detachably arranged on the base (1), the first supporting seat (14) and the motor (15) are positioned on the left side of the first left guide pulley (2), the round rod (16) is arranged at the output end of the motor (15), the front end of the round rod (16) is fixedly connected with the rear side wall of the first supporting seat (14) through the first bearing (17), the first belt pulley (18) and the first chain wheel (19) are respectively arranged on the wall of the round rod (16), and the first chain wheel (19) is positioned on the rear side of the first belt pulley (18), the other end of belt (12) passes through the outer wall of left side guide pulley (2), and twines on belt pulley (18) wall, two on base (1) is located to two (20) detachable supporting seats, and is located the right side of right side guide pulley (2), rotate through two (21) bearings between two (20) and be connected with connecting rod (22), be equipped with belt pulley two (23) and sprocket two (24) on connecting rod (22) wall, and sprocket two (24) are located the rear side of belt pulley two (23), the other end of belt two (13) passes through the outer wall of right side guide pulley (2), and twines on belt pulley two (23) walls, the outer wall cooperation of sprocket one (19) and sprocket two (24) is connected with chain (25).
5. A steel strip bending fatigue test apparatus according to claim 4, characterized in that: the outer ring of the first bearing (17) is fixedly connected with the rear side wall of the first supporting seat (14) through a bearing seat, and the inner ring of the first bearing (17) is connected with the outer wall of the round rod (16) in an interference fit mode.
6. A steel strip bending fatigue test apparatus according to claim 4, characterized in that: the outer ring of the second bearing (21) is fixedly connected to the outer wall of the second supporting seat (20) through a bearing seat, and the inner ring of the second bearing (21) is connected with the outer wall of the connecting rod (22) in an interference fit mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022885950.0U CN213779764U (en) | 2020-12-04 | 2020-12-04 | Steel band bending fatigue test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022885950.0U CN213779764U (en) | 2020-12-04 | 2020-12-04 | Steel band bending fatigue test device |
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| Publication Number | Publication Date |
|---|---|
| CN213779764U true CN213779764U (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022885950.0U Active CN213779764U (en) | 2020-12-04 | 2020-12-04 | Steel band bending fatigue test device |
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| CN (1) | CN213779764U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114527010A (en) * | 2021-12-17 | 2022-05-24 | 浙江瑞凯不锈钢股份有限公司 | Bending strength detection device for cold-rolled stainless steel strip |
-
2020
- 2020-12-04 CN CN202022885950.0U patent/CN213779764U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114527010A (en) * | 2021-12-17 | 2022-05-24 | 浙江瑞凯不锈钢股份有限公司 | Bending strength detection device for cold-rolled stainless steel strip |
| CN114527010B (en) * | 2021-12-17 | 2022-09-16 | 浙江瑞凯不锈钢股份有限公司 | Anti-bending strength detection device for cold-rolled stainless steel strip |
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