CN115200914A - Winch winding and unwinding reliability test system - Google Patents
Winch winding and unwinding reliability test system Download PDFInfo
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- CN115200914A CN115200914A CN202211045505.0A CN202211045505A CN115200914A CN 115200914 A CN115200914 A CN 115200914A CN 202211045505 A CN202211045505 A CN 202211045505A CN 115200914 A CN115200914 A CN 115200914A
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- winch
- cable
- guide pulley
- pulley
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
- G01L5/10—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using electrical means
- G01L5/105—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using electrical means using electro-optical means
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- Control And Safety Of Cranes (AREA)
Abstract
The invention relates to the technical field of winch retraction reliability test systems, and particularly discloses a winch retraction reliability test system which comprises a cable, a test bed, a single-hub straight pull winch, a cable arrangement device, a first direction-changing pulley, a first guide pulley, a traction winch, a cable loosening compensator, a right-angle cable arrangement device and a cable storage winch, wherein the single-hub straight pull winch, the cable arrangement device, the first direction-changing pulley, the first guide pulley, the traction winch, the cable loosening compensator, the right-angle cable arrangement device and the cable storage winch are sequentially arranged on the test bed, a cable deformation detection device is arranged between the first guide pulley and the traction winch, and a second direction-changing pulley is arranged between the traction winch and the cable loosening compensator. According to the invention, the cable slack compensator, the right-angle cable arranger and the cable storage winch are arranged on one side of the traction winch, the rope deformation detection device is arranged on the other side of the traction winch, and is used for detecting the diameters of the cable wound on the first reel and the second bend pulley on the traction winch and feeding back the diameters to the control unit for data analysis in real time, so that the tension of the cable is effectively controlled, and the problem of unstable coupling of a winch system is solved.
Description
Technical Field
The invention belongs to the technical field of winch retraction reliability test systems, and particularly relates to a winch retraction reliability test system.
Background
The ocean survey vessel sails at sea for a long time, the safety and the stability of cable winding and unwinding are important processes in the sailing process, for example, in full-sea deep scientific investigation operation, the rope capacity of a winding drum reaches 13000m, so that stricter requirements are provided for a large-load traction winch, a cable arrangement mechanism, a cable winding and unwinding control system and the like of a winch system, the problems that a steel cable of a traditional operation winch system is too heavy in self weight, the cable is easy to wear and break, the cable with an ultra-large capacity can be wound in a disorderly mode in the cable arrangement process, and the like are solved, and meanwhile, great uncertainty factors are brought to accurate scientific investigation sampling and test analysis data accuracy. Therefore, the winch retraction reliability test system is urgently needed to be invented, the winch system is subjected to omnibearing reliability test verification, the fault-free operation of all components of the winch system is ensured, and the existing problems are analyzed and improved.
Disclosure of Invention
The invention aims to provide a winch retraction reliability test system, which solves the problems.
In order to solve the technical problem, the invention provides a winch retracting reliability test system which comprises a cable, a test bed, a single-hub straight pull winch, a cable arranger, a first direction-changing pulley, a first guide pulley, a traction winch, a cable slack compensator, a right-angle cable arranger and a cable storage winch, wherein the single-hub straight pull winch, the cable arranger, the first direction-changing pulley, the traction winch, the cable slack compensator, the right-angle cable arranger and the cable storage winch are sequentially arranged on the test bed, a cable deformation detection device is arranged between the first guide pulley and the traction winch, a second direction-changing pulley, a second guide pulley and a third guide pulley are arranged between the traction winch and the cable slack compensator, the third guide pulley consists of two second guide pulleys which are arranged in parallel up and down, an infrared distance meter is arranged on the right side of the single-hub straight pull winch, one end of the cable is tied on the single-hub straight pull winch, and the other end of the cable is tied on the cable storage winch after sequentially passing through the cable arranger, the first direction-changing pulley, the first guide pulley, the cable slack compensator, the cable storage winch and the cable storage winch.
Further, the traction winch comprises a first rack, a first reel arranged on the first rack in parallel and two first driving motors connected with the end parts of the first reel.
Further, the single-hub straight pull winch and the cable storage winch comprise a second rack, a second winding drum arranged on the second rack and a second driving motor.
Further, the right angle cable arrangement device includes that first support, second support, symmetry set up first support with guiding axle and servo motor between the second support, one of them be equipped with the lead screw in the guiding axle, the one end of lead screw is stretched out the second support to be connected through elastic coupling and servo motor's output, the symmetry sets up the cover is equipped with the fourth guide pulley seat of sliding between the guiding axle outside, the fourth guide pulley seat of sliding inboard passes the guiding axle with the lead screw is connected, be equipped with the horizontal transmission post that sets up side by side on the fourth guide pulley seat of sliding, install the fourth guide pulley on the fourth guide pulley seat of sliding, the fourth guide pulley with through the round pin hub connection between the fourth guide pulley seat of sliding.
Further, the slack compensator of cable includes first mounting bracket, second mounting bracket, movable support and runner, movable support one end is installed first mounting bracket with on the second mounting bracket, first mounting bracket tip is equipped with first pneumatic cylinder, the output of first pneumatic cylinder with movable support connects, the runner is in through the pivot setting movable support is last.
Further, the first mounting bracket and the second mounting bracket comprise a third bracket, a fourth bracket and a second hydraulic cylinder symmetrically arranged between the third bracket and the fourth bracket.
Further, the cable is a synthetic fiber cable.
Furthermore, an infrared probe is arranged on the infrared range finder and is aligned with a cable tied on the second winding drum.
Further, the testing system comprises a control unit.
The invention has the beneficial effects that the single-hub straight-pull winch, the cable arrangement device, the first direction-changing pulley, the first guide pulley, the traction winch, the cable relaxation compensator, the right-angle cable arrangement device and the cable storage winch are arranged on the test bed, the infrared distance meter is arranged on the right side of the single-hub straight-pull winch, the infrared distance meter is provided with an infrared probe, the infrared probe on the infrared distance meter is arranged on the right side of the single-hub straight-pull winch to collect the deformation condition of the cable on the second winding drum of the single-hub straight-pull winch, and the collected data is sent to the control unit for test analysis, so that the pretightening force and the tension condition of the cable on the second winding drum led out by the single-hub straight-pull winch can be monitored;
a screw rod is arranged in the guide shaft, one end of the screw rod extends out of the second support and is connected with the output end of the servo motor through an elastic coupling, a fourth guide pulley sliding seat is sleeved between the outer sides of the symmetrically arranged guide shafts, the inner side of the fourth guide pulley sliding seat penetrates through the guide shaft and is connected with the screw rod, and transmission columns which are transversely arranged in parallel are arranged on the fourth guide pulley sliding seat, so that a cable can longitudinally pass through the guide shaft, the servo motor is used for adjusting the screw rod, the fourth guide pulley sliding seat is driven to move up and down, and the tightness of the cable can be adjusted;
the end part of a first mounting frame on the cable slack compensator is provided with a first hydraulic cylinder, the output end of the first hydraulic cylinder is connected with the movable support, and second hydraulic cylinders are symmetrically arranged between the third support and the fourth support, so that the position of a rotating wheel of the cable slack compensator can be adjusted, and the tightness of a cable can be adjusted;
the cable is made of synthetic fiber cable, so that the problem of overlarge dead weight of the steel cable can be solved;
one side of the traction winch is provided with a cable loosening compensator, a right-angle cable arranger and a cable storage winch, the other side of the traction winch is provided with a rope deformation detection device, the rope deformation detection device detects the diameters of cables wound on a first reel and a second bend pulley on the traction winch, and detection data are sent to modules of a control unit for test analysis, so that the tension of the cables is effectively controlled, and the problem that the coupling of a winch system is unstable due to the tension and the pretightening force of the cables during working is solved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a top view of the winch retraction reliability test system of the present invention;
FIG. 2 is a front view of the winch retraction reliability test system of the present invention;
FIG. 3 is a top view of a right angle cable arranger of the winch retraction reliability test system of the present invention;
FIG. 4 is a control diagram of a single-hub straight pull winch system of the winch retraction reliability test system of the present invention;
FIG. 5 is a control diagram of a cable storage winch system of the winch retraction reliability test system of the present invention;
in the figure: 1-cable, 2-test bench, 3-single-hub straight-pull winch, 4-cable arranger, 5-first direction-changing pulley, 6-first guide pulley, 7-traction winch, 8-cable slack compensator, 9-right-angle cable arranger, 10-cable storage winch, 11-cable deformation detection device, 12-second direction-changing pulley, 13-second guide pulley, 14-third guide pulley, 15-infrared distance meter, 31-second frame, 32-second drum, 33-second driving motor, 71-first frame, 72-first drum, 73-first driving motor, 81-first mounting frame, 82-second mounting frame, 83-moving bracket, 84-rotating wheel, 85-first hydraulic cylinder, 91-first bracket, 92-second bracket, 93-guide shaft, 94-servo motor, 95-lead screw, 96-fourth guide pulley sliding seat, 97-transmission column, 98-fourth guide pulley, 151-infrared cylinder, 811-third bracket, 93-fourth hydraulic cylinder, 813-fourth hydraulic cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the specification of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive efforts based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
In a specific embodiment of the present invention, as shown in fig. 1 to 5, a winch retraction reliability test system is specifically disclosed, the test system includes a control unit, which includes a cable 1, a test bed 2, and a single-hub straight pull winch 3, a cable arranger 4, a first direction-changing pulley 5, a first guide pulley 6, a traction winch 7, a cable slack compensator 8, a right-angle cable arranger 9, and a cable storage winch 10, which are sequentially disposed on the test bed 2, the cable 1 is a synthetic fiber cable, a cable deformation detection device 11 is disposed between the first guide pulley 6 and the traction winch 7, a second direction-changing pulley 12, a second guide pulley 13, and a third guide pulley 14 are disposed between the traction winch 7 and the cable slack compensator 8, the third guide pulley 14 is composed of two second guide pulleys disposed in parallel up and down, and an infrared distance meter 15 is disposed on the right side of the single-hub straight pull winch 3.
One end of the cable 1 is tied on the single-hub straight pull winch 3, and the other end of the cable is sequentially wound around the cable arranger 4, the first direction-changing pulley 5, the first guide pulley 6, the rope deformation detection device 11, the traction winch 7, the second direction-changing pulley 12, the second guide pulley 13, the third guide pulley 14, the cable slack compensator 8 and the right-angle cable arranger 9 and is tied on the cable storage winch 10.
The traction winch 7 includes a first frame 71, a first drum 72 juxtaposed on the first frame 71, and two first driving motors 73 connected to ends of the first drum 72.
The single-hub straight pull winch 3 and the cable storage winch 10 comprise a second frame 31, a second winding drum 32 arranged on the second frame 31 and a second driving motor 33.
The right-angle cable arrangement device 9 comprises a first support 91, a second support 92 and a symmetrical arrangement, wherein the first support 91 is connected with a guide shaft 93 and a servo motor 94 between the second support 92, one of the guide shaft 93 is internally provided with a lead screw 95, one end of the lead screw 95 extends out of the second support 92 and is connected with the output end of the servo motor 94 through an elastic coupling, a fourth guide pulley sliding seat 96 is sleeved between the outer sides of the guide shaft 93 and symmetrically arranged, the inner side of the fourth guide pulley sliding seat 96 penetrates through the guide shaft 93 and the lead screw 95, a transmission column 97 transversely arranged in parallel is arranged on the fourth guide pulley sliding seat 96, a fourth guide pulley 98 is arranged on the fourth guide pulley sliding seat 96, and the fourth guide pulley 98 is connected with the fourth guide pulley sliding seat 96 through a pin shaft.
Cable slack compensator 8 includes first mounting bracket 81, second mounting bracket 82, moves support 83 and runner 84, it installs to move support 83 one end first mounting bracket 81 with on the second mounting bracket 82, first mounting bracket 81 tip is equipped with first pneumatic cylinder 85, first pneumatic cylinder 85's output with it connects to move support 83, runner 84 is in through the pivot setting move on the support 83.
The first and second mounting brackets 81 and 82 include a third bracket 811, a fourth bracket 812, and a second hydraulic cylinder 813 symmetrically disposed between the third bracket 811 and the fourth bracket 812.
The infrared distance meter 15 is provided with an infrared probe 151, and the infrared probe 151 is aligned with the cable 1 tied to the second reel 32.
Rope warp detection device 11 includes detection case, adjustment support and three sensor fixing base, is equipped with the chamber of restricting in the adjustment support, and the chamber of restricting is located the middle part of three sensor fixing base, is equipped with a laser line profile sensor on every sensor fixing base.
The control unit comprises a CPU module, an A/D module, a D/A module, a PT temperature module, an RS485 module, a D0 module, a CAN communication module and a DI module which are connected with the CPU module, the control unit controls the single-hub straight pull winch 3, the cable arranger 4, the traction winch 7, the cable slack compensator 8, the right-angle cable arranger 9 and the cable storage winch 10,
the A/D module is used for acquiring signals transmitted by a traction tension sensor on the traction winch 7, a cable storage tension sensor on the cable storage winch 10, a handle potentiometer connected with the first driving motor 73 and the second driving motor 33, and a pump station pressure sensor connected with the first hydraulic cylinder 85 and the second hydraulic cylinder 813;
the CAN communication module reads the current, frequency and torque signals of the first driving motor 73 from the traction frequency converter on the traction winch 7 and the current, frequency and torque signals of the second driving motor 33 from the cable storage frequency converter on the cable storage winch 10; the encoder of the first drive motor 73 is used for reading the rotating speed of the first drive motor 73, and the encoder of the second drive motor 33 is used for reading the rotating speed of the second drive motor 33;
the A/D module is used for acquiring signals transmitted by a frequency converter speed given potentiometer and a frequency converter torque given potentiometer on the cable storage winch 10;
the D/A module is used for converting the frequency of a frequency converter or ammeter data on a proportional controller on the single-hub straight pull winch 3 and the cable storage winch 10;
the PT temperature module collects the shaft temperatures of the two first driving motors 73 and the two second driving motors 33;
the RS485 module is used for acquiring signals and data output by an encoder connected with the single-hub straight pull winch 3 and the second winding drum 32 on the cable storage winch 10 and an encoder connected with the cable arranger 4 and the lead screw 95 on the right-angle cable arranger 9;
the DO module outputs signals to control the two first driving motors 73 and the two second driving motors 33 to operate, and modulates the pulse frequency and the pulse direction of the two first driving motors; the device can also be used for driving the first hydraulic cylinder 85 and the second hydraulic cylinder 813 to be opened, and the frequency converters on the cable storage winch 10 to rotate forwards and backwards and to realize torque modes, so that a fault alarm is output to the control unit, and the control unit clears and resets the fault of the rope length encoder.
The control unit acquires the running state of the test system, and transmits acquired torque and speed signals to the AD module through a traction tension sensor on the traction winch 7, a cable storage tension sensor on the cable storage winch 10, a handle potentiometer connected with the first driving motor 73 and the second driving motor 33, and a pump station pressure sensor connected with the first hydraulic cylinder 85 and the second hydraulic cylinder 813;
the control unit acquires the torque and the speed of the cable 1 tied on the single-hub straight pull winch 3 through the infrared distance measuring instrument 15;
the laser displacement sensor on the rope deformation detection device 11 is used for acquiring cable storage torque and speed signals among the traction winch 7, the second direction-changing pulley 12, the second guide pulley 13, the third guide pulley 14, the cable slack compensator 8, the right-angle cable arranger 9 and the cable storage winch 10 and transmitting the cable storage torque and speed signals to the AD module.
The moment and the speed of the traction tension on the cable arranger 4, the first diverting pulley 5, the first guide pulley 6, the rope deformation detection device 11 and the traction winch 7 are input into an AD module through a traction tension sensor, a cable storage tension sensor and a pump station pressure sensor;
the control unit transmits collected frequency division signals of the cable storage frequency converter, protection signals of each circuit breaker, emergency stop signals, high-low speed switching signals, opening and closing signals of each heating switch, a left/right/automatic servo cable arrangement mode, traction or cable storage cable retraction linkage signals, cable storage winch belt braking signals, pump station starting or stopping signals, frequency converter fault signals, traction or cable storage motor braking opening signals, cable arrangement device left and right limit signals, relaxation compensator upper or lower limit signals and pump station alarm signals to a CPU module of the control unit through a DI module;
in the process of cable reeling and unreeling, a CPU module of a control unit starts a single-hub straight pull winch 3 and a traction frequency converter on a traction winch 7 through a CAN communication module, and sets the control mode of the frequency converter to be a torque control mode and a speed control mode, the CPU module sets the control mode of a lead screw 95 frequency converter on a cable arranger 4 and a right-angle cable arranger 9 to be a speed control mode through the CAN communication module, the CPU module starts a cable storage frequency converter on the cable storage winch 10 through the CAN communication module, sets the control mode of the cable storage frequency converter to be a torque control mode, the CPU module in the control unit sends acquired data to a DI module, the DI module analyzes the acquired data according to the acquired torque and speed data, when the torque and the speed of a cable 1 and the fluctuation of each straight pull protection signal are analyzed, the DI module adjusts the cable unreeling speed of a handle potentiometer connected with a first driving motor 73 and a second driving motor 33 on the single-hub winch 3, the traction winch 7 and the cable storage winch 10 according to the data change, the cable arrangement winch 10 frequency division adjusts the cable arranger on the cable arranger 4 and adjusts the upper and the vertical sliding position of a fourth guide pulley on a fourth guide pulley and performs longitudinal sliding adjustment on a guide pulley 8;
the control unit is used for switching the high speed and the low speed of each part, starting and stopping of each heating switch, left/right/automatic servo cable arrangement mode, traction/cable storage cable collection/cable release linkage, cable storage winch belt braking, pump station starting/stopping frequency converter fault signals, traction/cable storage motor braking opening signals, left/right limiting of the cable arrangement device, up/down limiting of the relaxation compensator and pump station alarm signals according to signals transmitted by each part of the single-hub straight pull winch 3, the cable arrangement device 4, the traction winch 7, the cable relaxation compensator 8, the right-angle cable arrangement device 9 and the cable storage winch 10, so that the test system runs in a fault-free and alarm-free state until the cable storage winch 10 finishes parking after all cables of the cable 1 are stored.
The parking process: in the case of non-cable-laying asynchronism and emergency stop in a non-alarm state, manual stop is that a touch screen transmits signals to a CAN communication module through a CPU module of a control unit, the CAN communication module sets the torque of a traction frequency converter on a traction winch 7 to 0, the speed of the traction frequency converter to 0, the speeds of a screw rod 95 and a servo motor 94 on a cable arranger 4 and a right-angle cable arranger 9 to 0, the torque of a cable-storing frequency converter on a cable-storing winch 10 is set to 0, and the system is stably stopped.
The working process of the invention is as follows: the other end of the cable 1 tied on the second winding drum 32 of the single-hub straight pull winch 3 sequentially rounds a transmission column, a first direction-changing pulley 5, a first guide pulley 6, a second direction-changing pulley 12, a first winding drum 72 of a traction winch 7, a rope threading cavity of a rope deformation detection device 11, a second guide pulley 13, a third guide pulley 14, a rotating wheel 84 of a cable slack compensator 8 and a transmission column 97 which is transversely arranged in parallel on the right-angle cable arranger 9 and downwards rounds a fourth guide pulley 98, so that the cable 1 is right-angled and then rounds the second winding drum 32 of the cable storage winch 10;
the infrared probe 151 on the infrared distance meter 15 detects the arrangement state of the cable 1 tied on the second winding drum 32 of the single-hub straight pull winch 3 in the tensioning process, feeds the detected data back to the control unit for calculation and analysis, and the control unit performs self-adaptive cable arrangement adjustment on a winch winding and unwinding system in real time.
The invention can realize the test requirement of the continuous operation of the winch retracting system for more than 300 hours, fully verify the integral operation reliability of the winch retracting system and provide powerful technical support for the performance improvement and the operation stability of the winch retracting system.
The above disclosure is only one preferred embodiment of the present invention, and certainly should not be construed as limiting the scope of the invention, which is defined by the claims and their equivalents.
Claims (9)
1. A winch retraction reliability test system is characterized by comprising a mooring rope (1), a test bed (2), a single-hub straight pull winch (3), a cable arranger (4), a first direction-changing pulley (5), a first guide pulley (6), a traction winch (7), a cable loosening compensator (8), a right-angle cable arranger (9) and a cable storage winch (10) which are sequentially arranged on the test bed (2), wherein a rope deformation detection device (11) is arranged between the first guide pulley (6) and the traction winch (7), a second direction-changing pulley (12), a second guide pulley (13) and a third guide pulley (14) are arranged between the traction winch (7) and the cable loosening compensator (8), the third guide pulley (14) is composed of two second guide pulleys which are arranged in parallel up and down, an infrared distance measuring instrument (15) is arranged on the right side of the single-hub straight pull winch (3), one end of the mooring rope (1) is tied to the single-hub straight pull winch (3), the other end of the mooring rope (4), the first direction-changing pulley (6), the second guide pulley (13), the second direction-changing pulley (13) and the cable loosening compensation device (14), and is tied on the cable storage winch (10).
2. The winch retraction reliability test system according to claim 1, wherein the traction winch (7) comprises a first frame (71), a first reel (72) arranged side by side on the first frame (71), and two first driving motors (73) connected with the ends of the first reel (72).
3. The winch retraction reliability test system according to claim 1, wherein the single-hub straight pull winch (3) and the cable storage winch (10) comprise a second machine frame (31), a second winding drum (32) arranged on the second machine frame (31) and a second driving motor (33).
4. The winch retracting reliability test system according to claim 1, wherein the right-angle cable arranger (9) comprises a first support (91), a second support (92), guide shafts (93) symmetrically arranged between the first support (91) and the second support (92) and a servo motor (94), a screw (95) is arranged in one of the guide shafts (93), one end of the screw (95) extends out of the second support (92) and is connected with the output end of the servo motor (94) through an elastic coupling, a fourth guide pulley sliding seat (96) is sleeved between the outer sides of the guide shafts (93) symmetrically arranged, the inner side of the fourth guide pulley sliding seat (96) penetrates through the guide shafts (93) to be connected with the screw (95), transmission columns (97) transversely arranged in parallel are arranged on the fourth guide pulley sliding seat (96), a fourth guide pulley (98) is arranged on the fourth guide pulley sliding seat (96), and the fourth guide pulley (98) and the fourth guide pulley sliding seat (96) are connected through a pin shaft.
5. The winch retraction reliability test system according to claim 1, wherein the cable slack compensator (8) comprises a first mounting frame (81), a second mounting frame (82), a movable support (83) and a rotating wheel (84), one end of the movable support (83) is mounted on the first mounting frame (81) and the second mounting frame (82), a first hydraulic cylinder (85) is arranged at the end of the first mounting frame (81), the output end of the first hydraulic cylinder (85) is connected with the movable support (83), and the rotating wheel (84) is arranged on the movable support (83) through a rotating shaft.
6. The winch retraction reliability test system according to claim 1, wherein said first mounting bracket (81) and said second mounting bracket (82) comprise a third bracket (811), a fourth bracket (812), and a second hydraulic cylinder (813) symmetrically disposed between said third bracket (811) and said fourth bracket (812).
7. The winch retraction reliability test system according to claim 1, wherein said cable (1) is a synthetic fiber cable.
8. The winch retraction reliability test system according to claim 1, wherein the infrared distance measuring device (15) is provided with an infrared probe (151), and the infrared probe (151) is aligned with the cable (1) tied on the second reel (32).
9. The winch retraction reliability test system according to claim 1, wherein said test system includes a control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211045505.0A CN115200914A (en) | 2022-08-30 | 2022-08-30 | Winch winding and unwinding reliability test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211045505.0A CN115200914A (en) | 2022-08-30 | 2022-08-30 | Winch winding and unwinding reliability test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115200914A true CN115200914A (en) | 2022-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211045505.0A Pending CN115200914A (en) | 2022-08-30 | 2022-08-30 | Winch winding and unwinding reliability test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115200914A (en) |
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2022
- 2022-08-30 CN CN202211045505.0A patent/CN115200914A/en active Pending
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