CN212321330U - Cable winding life test device - Google Patents
Cable winding life test device Download PDFInfo
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- CN212321330U CN212321330U CN202020519734.1U CN202020519734U CN212321330U CN 212321330 U CN212321330 U CN 212321330U CN 202020519734 U CN202020519734 U CN 202020519734U CN 212321330 U CN212321330 U CN 212321330U
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Abstract
The utility model relates to a hoist technical field especially relates to a hawser is convoluteed life-span test device. The device comprises an electric control system, a platform base, a fixed pulley, a plurality of cable brackets, a broken rope detection device and a winding tensioning device, wherein the fixed pulley, the cable brackets, the broken rope detection device and the winding tensioning device are arranged along a straight line; the winding tensioning device comprises a rack, a movable pulley, a first motor and a tensioning assembly, wherein a linear guide rail is arranged on the rack along the line connecting direction of a plurality of cable brackets, an annular cable to be tested is respectively sleeved on the fixed pulley and the movable pulley, a tension sensor is arranged between the tensioning assembly and the movable pulley, and the cable brackets and the broken rope detection device are arranged between the fixed pulley and the movable pulley. The device can adjust the tension of the cable in the winding process in real time, and realize closed-loop control; the position of the tensioning assembly on the rack is adjustable, so that the device can adapt to different occasions and is more widely applied; moreover, unattended operation in the test process can be realized, and the winding efficiency is high.
Description
Technical Field
The utility model relates to a hoist technical field especially relates to a hawser is convoluteed life-span test device.
Background
The cable has the performances of tensile resistance, impact resistance, abrasion resistance, flexibility, light and soft and the like, and is widely applied to the aspects of transportation, industry, mines, sports, fishery and the like. The performance of the cable is a safety problem in many cases, and it is necessary to study the life of the cable because the cable is not continuously operated for a long time under various load conditions, and the life cycle of the cable is certainly long, and the worn cable is in a dangerous state.
Fatigue tests play a critical role in estimating the service life of products, and generally simulate real loads and environments to carry out physical tests on the object to be researched so as to correctly evaluate the service life of the object. The purpose of the cable winding life test is to observe the change of the cable life under different tension and different winding times. The prior art generally realizes the winding of hawser through the winding of reel multilayer, and the structure is complicated, can't guarantee that tension is invariable, and degree of automation is lower, and winding efficiency is not high. Therefore, a cable winding life test device which can conveniently and circularly wind the cable and can set the required winding times and the required cable winding tension is needed.
Disclosure of Invention
The utility model aims at overcoming the defects of lower automation degree, low winding efficiency and unsteady cable tension in the winding process of the winding device in the prior art, and providing a cable winding service life testing device, which adopts a two-pulley counter-pulling mode, one pulley is fixed, and the other pulley is tensioned in real time and is used for realizing the winding test in a constant tension mode; in the winding test process, the tension of the cable can be automatically changed according to a set value, the winding speed can be recorded in real time, and the recording and analysis of winding data can be realized at the later stage.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a cable winding life test device comprises an electric control system, a platform base, fixed pulleys arranged along a straight line, a plurality of cable brackets, a broken rope detection device and a winding tensioning device;
the fixed pulley is fixed at one end of the platform base through the first support frame, and the end face of the fixed pulley is perpendicular to the platform base; the winding tensioning device comprises a rack, a movable pulley, a first motor and a tensioning assembly, wherein the rack is fixed at the other end of the platform base, a linear guide rail is arranged on the rack along the connecting line direction of a plurality of cable brackets, the movable pulley and the first motor are arranged on the linear guide rail through a sliding block, an output shaft of the first motor is connected with a rotating shaft of the movable pulley, and annular cables to be tested are respectively sleeved on the fixed pulley and the movable pulley; the tensioning assembly is fixed on one side of the frame, which is far away from the fixed pulley, and a tension sensor is arranged between the tensioning assembly and the movable pulley; the cable bracket and the broken rope detection device are arranged between the fixed pulley and the movable pulley; the first motor, the tensioning assembly, the tension sensor and the rope breakage detection device are respectively connected with the electric control system in a wired or wireless mode.
Preferably, the tensioning assembly comprises a second support frame, a turbine worm pair and a second motor; the turbine worm pair is arranged on the second support frame, a turbine in the turbine worm pair is driven by the second motor, one end of a worm in the turbine worm pair is connected with the sliding block provided with the movable pulley, and the other end of the worm is a free end.
Preferably, the tensioning assembly comprises a second support frame, a screw rod and a through stepping motor; a screw rod penetrates through a central shaft of the through type stepping motor, one end of the screw rod is connected with a sliding block provided with a movable pulley, and the other end of the screw rod is a free end.
Preferably, a plurality of positioning holes are formed in one side, far away from the fixed pulley, of the rack along the direction of the linear guide rail, and the second support frame is fixed to the rack through the positioning holes.
Preferably, the diameters of the fixed pulley and the movable pulley are the same.
Preferably, the first motor is a variable frequency speed reduction motor.
Preferably, the rope breakage detection device comprises a bracket fixing rod and a photoelectric sensor arranged on the bracket fixing rod; the distance between the photoelectric sensor and the mooring rope is 1-3 cm.
Preferably, hawser bracket include base, vertical support pole, first horizontal support pole and second horizontal support pole, the vertical support pole pass through the base and fix on the platform base, first horizontal support pole and second horizontal support pole fix respectively at the top and the bottom of vertical support pole, and the mounting height of first horizontal support pole and second horizontal support pole matches with the mounting height of the hawser that awaits measuring.
Preferably, the number of the cable brackets is 2-5.
Preferably, the electric control system is provided with a human-computer interaction panel for setting test parameters and displaying test data.
The utility model discloses the beneficial effect who possesses is:
1) the utility model discloses a mooring rope winding life test device adopts two pulley counter-pulling forms, one fixed pulley is fixed, the other movable pulley changes the distance between the two pulleys by the tensioning component sliding on the slide rail, realizes real-time tensioning; the tension sensor between the tensioning assembly and the movable pulley can transmit data to the control system and the background in real time for calculation, can adjust the tension of the cable in the winding process in real time, and achieves closed-loop control.
2) The utility model discloses a tensioning assembly among the hawser is convoluteed life test device fixes in the locating hole in the frame, can follow the line direction of two pulleys and set up the position of tensioning assembly and adapt to different occasions, uses more extensively.
3) The utility model discloses a hawser is curved and is set up disconnected rope detection device among the life test device, can take place to report to the police in real time and emergency braking under the condition that disconnected rope or hawser are lax, guarantees to curve the security of test process.
4) The utility model discloses a hawser is bent and is wound life-span test device full automatic control only needs to set up required tension value and the number of times of bending, can realize the unmanned on duty operation of test process, and it is efficient to bend.
5) The utility model has the advantages of simple structure, it is with low costs.
Drawings
FIG. 1 is a schematic structural view of a cable winding life testing device according to the present invention;
fig. 2 is a schematic structural view of a winding tensioning device in the present invention;
in the figure: the cable tensioning device comprises a fixed pulley 1, a cable bracket 2, a winding tensioning device 3, a first motor 3.1, a movable pulley 3.2, a rack 3.3, a linear guide rail 3.4, a tensioning assembly 3.5, a tension sensor 3.6, a second support frame 3.7, a rope breakage detection device 4 and an electric control system 5.
Detailed Description
The specific structure and embodiments of the present invention will be further described with reference to the accompanying drawings, and the technical features of the embodiments of the present invention can be combined correspondingly without conflict.
As shown in fig. 1, the cable winding life test device comprises a fixed pulley 1, a cable bracket 2, a winding tensioning device 3, a broken rope detection device 4 and an electric control system 5. The fixed pulley 1, the cable bracket 2, the winding tensioning device 3 and the broken rope detection device 4 are on the same straight line and are all fixed on the platform base, and the platform base surface can also be the ground.
The fixed pulley 1 is fixed at one end of the platform base through a first support frame, and the end face of the fixed pulley 1 is vertical to the platform base; the winding tensioning device 3 comprises a rack 3.3, a movable pulley 3.2, a first motor 3.1 and a tensioning assembly 3.5, wherein the rack 3.3 is fixed at the other end of the platform base, a linear guide rail 3.4 is arranged on the rack 3.3 along the connecting line direction of a plurality of cable brackets 2, the movable pulley 3.2 and the first motor 3.1 are arranged on the linear guide rail 3.4 through a sliding block, the output shaft of the first motor 3.1 is connected with the rotating shaft of the movable pulley 3.2, and annular cables to be tested are respectively sleeved on the fixed pulley 1 and the movable pulley 3.2; the tensioning assembly 3.5 is fixed on one side, far away from the fixed pulley 1, of the frame 3.3, and a tension sensor 3.6 is arranged between the tensioning assembly 3.5 and the movable pulley 3.2; the cable bracket 2 and the broken rope detection device 4 are arranged between the fixed pulley 1 and the movable pulley 3.2; the first motor 3.1, the tensioning assembly 3.5, the tension sensor 3.6 and the rope breakage detection device 4 are respectively connected with the electronic control system 5 in a wired or wireless mode.
The tensioning assembly 3.5 is used for driving the movable pulley 3.2 to slide on the linear guide rail 3.4 to change the distance between the two pulleys, so that real-time tensioning is realized, and the tension of the mooring rope is adjustable. In one embodiment of the present invention, the tension assembly 3.5 includes a second support frame 3.7, a turbine worm pair and a second motor; the turbine worm pair is arranged on the second support frame 3.7, a turbine in the turbine worm pair is driven by the second motor, one end of a worm in the turbine worm pair is connected with a sliding block provided with a movable pulley 3.2, and the other end of the worm is a free end. The second motor is controlled to start, stop, turn and rotate at a rotating speed through the electric control system 5, an output shaft of the second motor drives the turbine to rotate on the vertical plane, and then the rotating motion is converted into linear motion through the worm, and the movable pulley 3.2 slides along the linear guide rail 3.4 under the driving of the sliding block because one end of the worm is connected with the sliding block. In another embodiment of the present invention, the tension assembly 3.5 includes a second support frame 3.7, a screw rod and a through stepping motor; and a screw rod penetrates through a central shaft of the through type stepping motor, one end of the screw rod is connected with a sliding block provided with a movable pulley 3.2, and the other end of the screw rod is a free end. The through type stepping motor controls starting, stopping, steering and rotating speed through the electric control system 5, the structure is simpler and controllable, the transmission process of a worm gear and a worm is omitted, the lead screw is directly driven by the through type stepping motor to move horizontally, and the movable pulley 3.2 slides along the linear guide rail 3.4 under the driving of the slide block because one end of the lead screw is connected with the slide block.
The utility model discloses an in the concrete implementation, one side of keeping away from fixed pulley 1 on frame 3.3 is equipped with a plurality of locating hole along the linear guide direction, second support frame 3.7 on be equipped with positioning mechanism, positioning mechanism directly matches with the locating hole, can adjust positioning mechanism's mounted position and realize that frame 3.3 position is adjustable, adaptable in different occasions.
In order to balance the tension on the cable in the winding life test process, the diameters of the fixed pulley 1 and the movable pulley 3.2 are the same. For more convenient adjustment speed of winding, first motor 3.1 select for use frequency conversion gear motor, be adapted to the frequent variable speed under the different operating mode conditions, can be energy-conserving to a certain extent, more be applicable to hawser winding life test process.
The rope breakage detection device 4 is used for judging the state of the mooring rope in real time, the mooring rope in a normal test state has certain tension, and when an emergency fault occurs, the mooring rope falls off from the pulley and is loose or breaks. The utility model discloses an in the concrete implementation, disconnected rope detection device 4 include the support dead lever and set up the photoelectric sensing ware on the support dead lever, photoelectric sensing ware and hawser between leave certain distance, select to 1 ~ 3cm, this distance can be adjusted according to the model of hawser, can realize through adopting the telescopic bracket dead lever. The support fixing rod can be directly fixed on a platform base surface or a rack 3.3 of the winding tensioning device 3, the photoelectric sensor and the electric control system 5 can be communicated, and when an emergency fault occurs, the electric control system 5 can wake up the alarm and immediately stop the motor from working.
Due to the distance of a certain length between the two pulleys, the middle part of the cable tends to sag due to the action of gravity, so that a plurality of cable brackets 2 are arranged between the fixed pulley 1 and the movable pulley 3.2. In a specific implementation of the present invention, as shown in fig. 1, the number of the cable brackets is 3, each cable bracket 2 includes a cross-shaped base, a vertical support rod, a first horizontal support rod and a second horizontal support rod, four corners of the cross-shaped base are provided with mounting holes, the vertical support rod is fixed on the platform base through the cross-shaped base, and a reinforcing rod is arranged between the vertical support rod and the cross-shaped base; the first horizontal support rod and the second horizontal support rod are respectively fixed at the top and the bottom of the vertical support rod, and the mounting heights of the first horizontal support rod and the second horizontal support rod are matched with the mounting height of the cable rope to be tested.
The utility model discloses an in the concrete implementation, electrical system 5 on install the human-computer interaction panel for realize experimental parameter's settlement, and show experimental data in real time. The experimental parameters comprise a tension value, a motor rotating speed, a steering direction, a winding number, a winding duration and the like, and the experimental data comprise a tension value, a cable rope state and the like.
The utility model provides a working method of hawser winding life test device does:
a preparation stage: the annular cable rope to be detected is sleeved on the fixed pulley and the movable pulley, the middle part of the cable rope is supported by the cable rope bracket, and the installation height of the broken rope detection device 4 is adjusted to be 1-3 cm away from the cable rope.
And (3) a test stage: the mooring rope winding life test device is started, the number of required winding turns, the winding tension value and the winding time length are set through a human-computer interaction panel on the electric control system 5, then the click test is started, the electric control system 5 can automatically set the working states of the first motor and the second motor according to the distance between the two pulleys, the set winding tension value, the number of winding turns, the winding time length, the real-time data of the tension sensor and other information, and the device starts the winding life test according to the set parameter requirements. When reaching the experimental winding number of turns of settlement, the system can automatic shutdown, release tension to report to the police and remind the experimenter experimental to finish, need not the experimenter on duty in normal experimentation.
When the photoelectric sensor of the rope breakage detection device detects that the cable is loose or broken, the alarm is immediately awakened through the electric control system 5 to remind testers of test faults and stop the test.
In the process of the winding test, the tension force can be temporarily changed, or the test times can be changed according to the requirements, and the electronic control system 5 can record test data in real time. When the accidental situation of cable breakage or cable looseness occurs in the test process, the photoelectric sensor of the cable breakage detection device 4 can automatically detect the signal, the electric control system 5 controls the system to stop emergently immediately, and the electric control system gives an alarm to remind a tester to handle the emergency.
The foregoing is illustrative of only specific embodiments of this invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.
Claims (10)
1. A cable winding life test device is characterized by comprising an electric control system (5), a platform base, a fixed pulley (1) arranged along a straight line, a plurality of cable brackets (2), a broken rope detection device (4) and a winding tension device (3);
the fixed pulley (1) is fixed at one end of the platform base through a first support frame, and the end face of the fixed pulley (1) is vertical to the platform base; the winding tensioning device (3) comprises a rack (3.3), a movable pulley (3.2), a first motor (3.1) and a tensioning assembly (3.5), the rack (3.3) is fixed at the other end of the platform base, a linear guide rail (3.4) is arranged on the rack (3.3) along the connecting line direction of the cable brackets (2), the movable pulley (3.2) and the first motor (3.1) are installed on the linear guide rail (3.4) through a sliding block, the output shaft of the first motor (3.1) is connected with the rotating shaft of the movable pulley (3.2), and annular cables to be tested are respectively sleeved on the fixed pulley (1) and the movable pulley (3.2); the tensioning assembly (3.5) is fixed on one side of the rack (3.3) far away from the fixed pulley (1), and a tension sensor (3.6) is arranged between the tensioning assembly (3.5) and the movable pulley (3.2); the cable bracket (2) and the broken rope detection device (4) are arranged between the fixed pulley (1) and the movable pulley (3.2); the first motor (3.1), the tensioning assembly (3.5), the tension sensor (3.6) and the rope breakage detection device (4) are respectively connected with the electric control system (5) in a wired or wireless mode.
2. The cable winding life test device of claim 1, wherein the tension assembly (3.5) comprises a second support frame (3.7), a turbine-worm pair and a second motor; the turbine worm pair is arranged on the second support frame (3.7), a turbine in the turbine worm pair is driven by the second motor, one end of a worm in the turbine worm pair is connected with a sliding block provided with a movable pulley (3.2), and the other end of the worm is a free end.
3. The cable winding life test device according to claim 1, wherein the tension assembly (3.5) comprises a second support frame (3.7), a screw rod and a through stepping motor; a screw rod penetrates through a central shaft of the through type stepping motor, one end of the screw rod is connected with a sliding block provided with a movable pulley (3.2), and the other end of the screw rod is a free end.
4. The cable winding life test device as claimed in claim 2 or 3, wherein a plurality of positioning holes are formed in one side of the frame (3.3) away from the fixed pulley (1) along the direction of the linear guide rail, and the second support frame (3.7) is fixed on the frame (3.3) through the positioning holes.
5. A cable wrap life test device as claimed in claim 1, characterized in that said fixed pulley (1) and movable pulley (3.2) have the same diameter.
6. A cable wrap life test apparatus as claimed in claim 1, wherein said first motor (3.1) is a variable frequency speed reduction motor.
7. The cable winding life test device as claimed in claim 1, wherein said rope breakage detecting means (4) comprises a bracket fixing rod and a photoelectric sensor arranged on the bracket fixing rod; the distance between the photoelectric sensor and the cable is adjustable.
8. The cable winding life test device as claimed in claim 1, wherein the cable bracket (2) comprises a base, a vertical support rod, a first horizontal support rod and a second horizontal support rod, the vertical support rod is fixed on the platform base through the base, the first horizontal support rod and the second horizontal support rod are respectively fixed at the top and the bottom of the vertical support rod, and the installation height of the first horizontal support rod and the installation height of the second horizontal support rod are matched with the installation height of the cable to be tested.
9. The cable winding life test device as claimed in claim 1 or 8, wherein the number of the cable brackets (2) is 2-5.
10. The cable winding life test device as claimed in claim 1, wherein a human-computer interaction panel for setting test parameters and displaying test data is mounted on the electronic control system (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020519734.1U CN212321330U (en) | 2020-04-10 | 2020-04-10 | Cable winding life test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020519734.1U CN212321330U (en) | 2020-04-10 | 2020-04-10 | Cable winding life test device |
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| Publication Number | Publication Date |
|---|---|
| CN212321330U true CN212321330U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020519734.1U Active CN212321330U (en) | 2020-04-10 | 2020-04-10 | Cable winding life test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112881211A (en) * | 2021-01-19 | 2021-06-01 | 青岛海丽雅集团有限公司 | Cable bending test device |
| CN113267399A (en) * | 2021-05-12 | 2021-08-17 | 盐城神力制绳有限公司 | Tensile strength detector for testing composite mooring rope |
-
2020
- 2020-04-10 CN CN202020519734.1U patent/CN212321330U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112881211A (en) * | 2021-01-19 | 2021-06-01 | 青岛海丽雅集团有限公司 | Cable bending test device |
| CN113267399A (en) * | 2021-05-12 | 2021-08-17 | 盐城神力制绳有限公司 | Tensile strength detector for testing composite mooring rope |
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