CN210108848U - Rope acute angle resistance testing device - Google Patents
Rope acute angle resistance testing device Download PDFInfo
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- CN210108848U CN210108848U CN201920474612.2U CN201920474612U CN210108848U CN 210108848 U CN210108848 U CN 210108848U CN 201920474612 U CN201920474612 U CN 201920474612U CN 210108848 U CN210108848 U CN 210108848U
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Abstract
The utility model provides a rope sharp-angle resistant testing arrangement, this testing arrangement includes: base, first mount, second mount, mounting fixture and drive shaft. Wherein, an electric control switch and an emergency stop button are arranged on the base. The first fixing frame is provided with a first sliding rail, the first fixing frame is fixedly connected with the base, the first sliding rail is provided with a pulley, and the first sliding rail is used for adjusting the height of a rope fixed on the pulley. The second fixing frame is provided with a second sliding rail, the second fixing frame is fixed on the base, the second sliding rail is fixedly connected with the sharp block through a connecting rod, and the second sliding rail is used for limiting the moving direction of the sharp block. The fixing clamp is arranged on the base and used for fixing the rope. The driving shaft is contacted with the sharp block and used for driving the sharp block to move. The utility model provides a resistant sharp-pointed angle testing arrangement of rope can be more accurate the resistant sharp-pointed angle degree of test rope, and convenient operation, degree of automation is high.
Description
Technical Field
The utility model relates to a rope detects technical field, especially relates to the resistant sharp acute angle test of rope, specifically is a resistant sharp acute angle testing arrangement of rope.
Background
At present, rope products are widely applied, especially in the fields of exploration, rescue and military, different application environments have different requirements on the quality of ropes, and for common rope products, people pay attention to mechanical performance indexes such as breaking strength, breaking elongation and the like. During the use process of the rope, the rope usually contacts with a sharp object, the sharp object causes great damage to the rope, and particularly in exploration and rescue scenes, the durability of the fiber rope determines the safety guarantee level of the rescue and the exploration.
At present, only international mountain-climbing association internationally provides a detection concept related to the sharp-angle resistance performance of the power rope, and a corresponding detection instrument for the sharp-angle resistance of the rope is provided, but the test equipment of the international mountain-climbing association only aims at the power rope, the sharp-angle resistance performance of the rope is represented through tests, and the application range is extremely limited. A testing instrument system for the basic performance of the domestic rope is not established, a performance test for resisting sharp angles is not formed, corresponding detecting instrument equipment is not provided, and due to the fact that domestic rope processing is not fine enough, the rope does not have enough consciousness on the performance of resisting sharp angles. However, with the diversification of the types and functions of the ropes and the expansion of the application range, the requirements of the ropes are not only limited to basic indexes such as breaking strength and the like according to the complexity of the application environment, but also the performances such as friction resistance, sharp and acute angle resistance and the like of the fiber ropes are emphasized.
Therefore, a rope sharp-corner resistance testing device which can realize accurate measurement and has simple operation and high automation degree is needed by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a rope sharp angle resistance testing arrangement. The testing device has the advantages of simple structure, convenience in operation, high testing efficiency and accurate and reliable testing result.
The utility model provides a rope sharp-angle resistant testing arrangement, this testing arrangement includes: the base is provided with an electric control switch and an emergency stop button; the first fixing frame is provided with a first sliding rail and is fixedly connected with the base, a pulley is arranged on the first sliding rail, and the first sliding rail is used for adjusting the height of a rope fixed on the pulley; the second fixing frame is provided with a second sliding rail and is fixed on the base, the second sliding rail is fixedly connected with the sharp block through a plurality of connecting rods, and the second sliding rail is used for limiting the moving direction of the sharp block; the fixing clamp is arranged on the base and used for fixing the rope; and a driving shaft contacting with the sharp block for driving the sharp block to move.
In a specific embodiment of the present invention, the device further comprises: the tension sensor is arranged on the fixing clamp, connected with the rope and used for detecting the stress change of the rope; the processor is connected with the tension sensor and used for recording and processing detection data of the tension sensor; and the display is connected with the processor and used for displaying the measurement data.
In a particular embodiment of the present invention, the cross-section of the driving shaft is elliptical.
As an embodiment of the utility model, the drive shaft set up in the below of sharp-pointed piece, the connecting rod is fixed in respectively the both sides of sharp-pointed piece, and a plurality of the connecting rod with second sliding rail connection, the second sliding rail is used for realizing reciprocating of sharp-pointed piece.
As another embodiment of the present invention, the driving shaft is disposed on one side of the sharp-pointed block, the other side of the sharp-pointed block is provided with a spring, one end of the spring is fixed on the second fixing frame, the connecting rod is fixed on the upper portion of the sharp-pointed block, and the connecting rod is connected to the second sliding rail, which is used for realizing the lateral movement of the sharp-pointed block.
In the specific embodiment of the utility model, the sharp-pointed angle included angle scope of sharp-pointed piece is 30 ~ 120, and sharp-pointed angle edge width is 0.5mm ~ 3 mm.
In a particular embodiment of the present invention, the first slide rail has a first locking device for locking the first slide rail.
In a particular embodiment of the present invention, the pulley has a second locking device thereon for locking the pulley.
In the specific embodiment of the utility model, the base size is 1000mm ~ 1200mm long, 800mm ~ 1000mm wide, 700mm ~ 1300mm high.
In a specific embodiment of the present invention, the device further comprises: and the stepping motor is fixedly connected with the driving shaft and is used for driving the driving shaft to rotate.
According to the above-mentioned embodiment, the utility model provides a rope test device that is able to bear or endure sharp-pointed angle has following benefit: the testing device is simple in structure, convenient to operate and high in automation degree, and a large amount of manpower is saved. In addition, the device measures accurately, and this testing arrangement can test the resistant sharp-pointed angle degree of rope under different angles and the different dynamics circumstances moreover, and measuring range is abundanter, and data are more comprehensive.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification of the invention, illustrate exemplary embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a structure diagram of a rope sharp-corner resistance testing device provided by the utility model.
Fig. 2 is a structural diagram of a first embodiment of a sharp-pointed block driving device of a rope sharp-pointed and acute-angle resistance testing device provided by the present invention.
Fig. 3 is a structural diagram of a second embodiment of a sharp block driving device of a rope sharp-resistant angle testing device provided by the present invention.
Fig. 4 is a structural diagram of a third embodiment of a sharp-pointed block driving of a rope sharp-pointed and acute-angled resistance testing device provided by the present invention.
Fig. 5 is a circuit connection diagram of the rope sharp-corner resistance testing device provided by the utility model.
Description of reference numerals:
the device comprises a base 1, a first fixing frame 2, a second fixing frame 3, a first sliding rail 4a, a second sliding rail 4b, a pulley 5, a sharp block 6, a rope 7, a fixing clamp 8, a driving shaft 9, a tension sensor 10, a processor 11, a display 12, a connecting rod 13, a spring 14, a first locking device 15a, a second locking device 15b, a stepping motor 16, an electric control switch a and an emergency stop button b.
Detailed Description
Reference will now be made in detail to various exemplary embodiments of the invention, which should not be considered limiting of the invention, but rather should be understood to be a more detailed description of certain aspects, features and embodiments of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The specification and examples are exemplary only.
Fig. 1 shows a structural diagram of a rope acute angle resistance testing device provided by the present invention, in the embodiment shown in the drawing, the testing device includes: base 1, first mount 2, second mount 3, mounting fixture 8 and drive shaft 9. Wherein, the base 1 is provided with an electric control switch a and an emergency stop button b. In addition, the base 1 has the dimensions of 1000mm to 1200mm in length, 800mm to 1000mm in width and 700mm to 1300mm in height.
The first fixing frame 2 is provided with a first sliding rail 4a, the first fixing frame 2 is fixedly connected with the base 1, the first sliding rail 4a is provided with a pulley 5, and the first sliding rail 4a is used for adjusting the height of a rope 7 fixed on the pulley 5. The direction of the first slide rail 4a is vertical, the pulley 5 arranged on the first slide rail 4a can move up and down, and because one end of the rope 7 is fixed on the pulley 5, the pulley 5 moves up and down to adjust the height, so that the angle of the rope 7 can be changed. The second fixing frame 3 is fixed on the base 1. As shown in fig. 2, the second fixing frame 3 has a second sliding rail 4b, the second sliding rail 4b is fixedly connected with the sharp block 6 through a connecting rod 13, and the second sliding rail 4b is used for defining the moving direction of the sharp block 6 and enabling the sharp block 6 to reciprocate in the fixed direction. The fixing clamp 8 is arranged on the base 1 and used for fixing the rope 7. One end of the rope 7 is fixed to the base 1. The driving shaft 9 is contacted with the sharp block 6, and the driving shaft 9 is used for driving the sharp block 6 to move, so that the sharp block 6 can perform sharp angle damage on the rope 7. In addition, the acute angle included angle range of the acute block 6 in the present embodiment is 30 to 120 °, and the acute angle edge width is 0.5 to 3 mm. Different situations are simulated by testing different size models of sharp blocks 6, covering most usage scenarios.
In a specific implementation manner of this embodiment, the testing apparatus further includes: a tension sensor 10, a processor 11 and a display 12. Wherein, the tension sensor 10 is arranged on the fixing clamp 8, the tension sensor 10 is connected with the rope 7, and the tension sensor 10 is used for detecting the stress change of the rope 7. The processor 11 is in circuit connection with the tension sensor 10, and the processor 11 is used for recording and processing detection data of the tension sensor 10 and processing and summarizing the data. The display 12 is connected with the processor 11, and the display 12 is used for displaying the measured data, so that the user can more visually observe the stress change of the rope 7 and the sharp-corner resistant degree. As shown in fig. 5, the tension sensor 10 collects the force value of the rope 7, then transmits the force value to the processor 11, the processor 11 performs summary processing on the force value, and presents a numerical map on the display 12, so that a user can more intuitively see the force condition and the sharp-corner resistance degree of the rope 7. The tension sensor 10 is a sensor manufactured by mechanical limited of xuechi chenhutt, north of Jiangsu, with model number HTTSB-2 t. The processor 11 is a model number MPXH6101A6U processor manufactured by Beijing Corksitai electronics, Inc.
The utility model discloses an among the concrete implementation mode, first slide rail 4a has first locking device 15a, and first locking device 15a is used for the first slide rail 4a of locking, makes pulley 5 that is located on first slide rail 4a be fixed in a certain position of first slide rail 4a, is fixed with the one end of rope 7 on the pulley 5, changes the position of pulley 5 on first slide rail 4a, and then changes the contained angle between rope 7 and the sharp-pointed piece 6, can test the atress under the different angles and the resistant sharp-pointed angle condition. The pulley 5 is provided with a second locking device 15b, and the second locking device 15b is used for locking the pulley 5 so that the pulley 5 can not rotate any more. The pulley 5 is rotated to provide a pre-tightening force to the rope 7, and when the force reaches a preset value according to the detection result of the tension sensor 10, the pulley 5 is locked by the second locking device 15b and is not rotated any more, so that the rope 7 is kept under a constant force. This allows to restore the rope 7 to the maximum extent of the stresses during the test in actual use. In this embodiment, the magnitude of the pretightening force applied to the rope by the pulley 5 is F-3.38D2Wherein F is the applied force value in N; d is the rope diameter in mm.
The embodiment of the utility model provides an in, the device still includes step motor 16, step motor 16 and drive shaft 9 fixed connection for drive shaft 9 rotates.
The utility model discloses an among the specific embodiment, the width of first slide rail 4a and second slide rail 4b is 30mm ~ 100mm, and length is 500mm ~ 1500 mm.
In fig. 2, the cross-section of the drive shaft 9 is oval, so that during rotation of the drive shaft 9, the drive shaft 9 can push objects close to the shaft surface. In this embodiment, the driving shaft 9 is disposed below the sharp block 6, the connecting rods 13 are respectively fixed to two sides of the sharp block 6, the other ends of the connecting rods 13 are connected to the second slide rail 4b on the second fixing frame 3, and the second slide rail 4b is used for moving the sharp block 6 up and down. The stepping motor 16 drives the driving shaft 9 to rotate, and the driving shaft 9 pushes the sharp block 6 to move below the sharp block 6, and the sharp block 6 can only reciprocate up and down because the moving direction is limited by the second slide rail 4 b. The sharp block 6 has a curvilinear pushing force to the rope 7 during the up-and-down reciprocating motion of the sharp block 6, so that the stress condition of the rope 7 when a user performs fast descent can be simulated, and the rope 7 is damaged by a sharp angle when the user performs fast descent.
Fig. 3 shows another embodiment of the present invention, in which the cross section of the driving shaft 9 is an ellipse, so that the driving shaft 9 can push the object close to the surface of the shaft during the rotation of the driving shaft 9. The driving shaft 9 is arranged on one side of the sharp block 6, the other side of the sharp block 6 is provided with a spring 14, one end of the spring 14 is fixed on the second fixing frame 3, one or more connecting rods 13 are fixed on the upper part of the sharp block 6, the other end of the connecting rod 13 is connected with a second sliding rail 4b, and the second sliding rail 4b is used for realizing the transverse movement of the sharp block 6. This embodiment simulates a situation where the rope 7 is subjected to a constant force, where sharp corners damage the rope 7 laterally, which requires that the rope 7 is kept under an approximately constant tension, which is provided by the pulley 5, and the magnitude of which can also be varied by turning the pulley 5.
In addition, in order to avoid the movement of the rope 7 caused by the lateral movement of the sharp block 6, a rope fixing rod needs to be arranged on the second fixing frame 3, one end of the rope fixing rod, which is in contact with the rope 7, is a U-shaped groove, and the rope 7 can be arranged in the U-shaped groove to prevent the lateral movement of the rope 7. In order to avoid the rope fixing rod from influencing the sharp block 6 to do forced movement on the rope 7, the rope fixing rod is arranged on the section of the rope 7, where the sharp block 6 is not in contact with the rope 7.
Fig. 4 shows another embodiment of the present invention, in which one or more connecting rods 13 are fixed on the upper portion of the sharp-pointed block 6, and the other end of the connecting rod 13 is connected with the second slide rail 4b, the lower portion of the sharp-pointed block 6 is provided with a bar-shaped tooth, and a gear engaged with the bar-shaped tooth is fixed on the transmission shaft of the stepping motor, so as to provide power for moving the sharp-pointed block 6 left and right. This embodiment simulates a situation where the rope 7 is subjected to a constant force, where sharp corners damage the rope 7 laterally, which requires that the rope 7 is kept under an approximately constant tension, which is provided by the pulley 5, and the magnitude of which can also be varied by turning the pulley 5.
In addition, in order to avoid the movement of the rope 7 caused by the lateral movement of the sharp block 6, a rope fixing rod needs to be arranged on the second fixing frame 3, one end of the rope fixing rod, which is in contact with the rope 7, is a U-shaped groove, and the rope 7 can be arranged in the U-shaped groove to prevent the lateral movement of the rope 7. In order to avoid the rope fixing rod from influencing the sharp block 6 to do forced movement on the rope 7, the rope fixing rod is arranged on the section of the rope 7, where the sharp block 6 is not in contact with the rope 7.
The foregoing is only an illustrative embodiment of the present invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principles of the present invention should fall within the protection scope of the present invention.
Claims (10)
1. A rope sharp angle resistance testing device is characterized by comprising:
the base (1) is provided with an electric control switch (a) and an emergency stop button (b);
the first fixing frame (2) is provided with a first sliding rail (4a) and is fixedly connected with the base (1), a pulley (5) is arranged on the first sliding rail (4a), and the first sliding rail (4a) is used for adjusting the height of a rope (7) fixed on the pulley (5);
the second fixing frame (3) is provided with a second sliding rail (4b) and is fixed on the base (1), the second sliding rail (4b) is fixedly connected with the sharp block (6) through a plurality of connecting rods (13), and the second sliding rail (4b) is used for limiting the moving direction of the sharp block (6);
the fixing clamp (8) is arranged on the base (1) and used for fixing the rope (7); and
a drive shaft (9) in contact with the sharp block (6) for driving the sharp block (6) to move.
2. The apparatus for testing resistance to sharp angles of a rope according to claim 1, further comprising:
the tension sensor (10) is arranged on the fixed clamp (8), connected with the rope (7) and used for detecting the stress change of the rope (7);
the processor (11) is connected with the tension sensor (10) and used for recording and processing detection data of the tension sensor (10); and
and the display (12) is connected with the processor (11) and is used for displaying the measurement data.
3. A rope resistance to sharp angles test device according to claim 1, characterized in that the cross section of the drive shaft (9) is elliptical.
4. A rope sharp corner resistance test device according to claim 3, wherein said driving shaft (9) is disposed below said sharp block (6), a plurality of said connecting rods (13) are fixed to both sides of said sharp block (6), respectively, and said connecting rods (13) are connected to said second slide rail (4b), said second slide rail (4b) being used for moving said sharp block (6) up and down.
5. A rope sharp angle resistance test device according to claim 3, characterized in that the driving shaft (9) is arranged at one side of the sharp block (6), the other side of the sharp block (6) is provided with a spring (14), one end of the spring (14) is fixed on the second fixing frame (3), the connecting rod (13) is fixed at the upper part of the sharp block (6), and the connecting rod (13) is connected with the second slide rail (4b), and the second slide rail (4b) is used for realizing the transverse movement of the sharp block (6).
6. A rope sharp angle resistance test device as claimed in claim 1, characterized in that the sharp angle range of the sharp block (6) is 30-120 ° and the sharp angle edge width is 0.5-3 mm.
7. Rope resistance to sharp angles testing device according to claim 1, characterized in that the first sliding rail (4a) has a first locking device (15a) for locking the first sliding rail (4 a).
8. A rope sharp resistance testing device according to claim 1, characterized in that said pulley (5) is provided with second locking means (15b) for locking said pulley (5).
9. A rope sharp corner resistance testing device according to claim 8, characterized in that the base (1) has the dimensions of 1000 mm-1200 mm long, 800 mm-1000 mm wide and 700 mm-1300 mm high.
10. The apparatus for testing resistance to sharp angles of a rope according to claim 1, further comprising: and the stepping motor (16) is fixedly connected with the driving shaft (9) and is used for driving the driving shaft (9) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920474612.2U CN210108848U (en) | 2019-04-10 | 2019-04-10 | Rope acute angle resistance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920474612.2U CN210108848U (en) | 2019-04-10 | 2019-04-10 | Rope acute angle resistance testing device |
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| CN210108848U true CN210108848U (en) | 2020-02-21 |
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| CN201920474612.2U Active CN210108848U (en) | 2019-04-10 | 2019-04-10 | Rope acute angle resistance testing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044696A (en) * | 2019-04-10 | 2019-07-23 | 鲁普耐特集团有限公司 | A kind of resistance to sharp comer test device of rope and its test method |
| CN110044696B (en) * | 2019-04-10 | 2024-05-31 | 鲁普耐特集团有限公司 | Rope sharp angle resistance testing device and testing method thereof |
-
2019
- 2019-04-10 CN CN201920474612.2U patent/CN210108848U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044696A (en) * | 2019-04-10 | 2019-07-23 | 鲁普耐特集团有限公司 | A kind of resistance to sharp comer test device of rope and its test method |
| CN110044696B (en) * | 2019-04-10 | 2024-05-31 | 鲁普耐特集团有限公司 | Rope sharp angle resistance testing device and testing method thereof |
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