Inflatable life raft inhaul cable force measuring device

Abstract

The utility model discloses an inflatable life raft inhaul cable force measuring device, and relates to the technical field of inhaul cable safety, the inflatable life raft inhaul cable force measuring device comprises a force measuring device body, the surfaces of one ends of two screw rod sliding blocks are jointly provided with a tension test meter, an inhaul cable groove is arranged in a placing table, and the two ends of the inhaul cable groove are respectively provided with a tension test meter. An inhaul cable fixing assembly is installed in the placing table, and a second force measuring assembly is installed in the force measuring device body. According to the utility model, the first shaft, the driving gear, the two driven gears, the two ball screws and the two screw sliding blocks are matched with each other, so that the measurement value of the tension test meter on the tension of the inflatable life raft inhaul cable is more accurate, the second shaft, the rotating disc and the test block are matched with each other, the tension of the tensioned inflatable life raft inhaul cable is measured, and the test efficiency is improved. The inflatable life raft inhaul cables with different tightening degrees can be adjusted, and the force of the inflatable life raft inhaul cables can be measured, so that the force measurement data of the inflatable life raft inhaul cables are more perfect.

Description

Technical Field

[0001] The utility model relates to the technical field of cable safety, in particular to an inflatable life raft cable force measuring device. Background Art

[0002] Inflatable life rafts are easy to use, quick to inflate, can rescue a large number of people, and have good thermal insulation performance. Once a maritime accident occurs, people may be rescued in time after using an inflatable life raft. It is an ideal life-saving equipment for ships once a maritime accident occurs. Inflatable life rafts are used both at home and abroad. Just pull the starter cable to inflate the life raft carcass and play a role in water rescue. With the rapid development of my country's economy, the demand for life jackets in China has continued to rise. In recent years, many companies have introduced their products to the international market.

[0003] Cables are used in the power industry, communications industry, transportation industry, glass wall decoration industry, cableway operation industry, construction industry, amusement parks, tunnel construction, fishing, major scientific research institutes and teaching institutions, testing institutions, and occasions involving rope and wire rope tension. Because of the wide range of applications, the safety of cables needs to be checked frequently.

[0004] According to the published patent with patent number CN217980631U: a device for measuring the tension of a cable, it is pointed out that: the device body is included, a testing mechanism is arranged inside the device body, and the testing mechanism passes through the top surface and the bottom surface of the device body, a dial is arranged on the front surface of the device body, a sleeve is arranged on the bottom surface of the device body, an inner rod is sleeved inside the sleeve, a spring is arranged on the outside of one side where the inner rod and the sleeve are sleeved, a protruding block is arranged at the other end of the inner rod, first connecting plates are symmetrically arranged on both sides of the protruding block, a second connecting plate is arranged on the front side of the first connecting plate, a slide groove is passed through the inside of the first connecting plate and the second connecting plate, and a fixing mechanism is arranged on the opposite surfaces of the first connecting plate and the second connecting plate; the testing mechanism cooperates with the protruding block, so that the knob is rotated to push the testing block close to the protruding block, so as to test the tension of the cable, and at the same time, the sleeve and the inner rod are cooperated to make the test strength stronger.

[0005] However, the utility model has the following problems in actual use:

[0006] This utility model patent realizes the ability to slide on the cable by cooperating the sliding wheel of the fixing mechanism with the fixed wheel, allowing the sliding wheel to slide inside the slide groove, thereby facilitating the measurement of different positions of the same cable. However, the measurement data of this utility model patent cannot change the tension of the cable for measurement, which results in inaccurate cable force measurement data. Utility Model Content

[0007] The utility model provides an inflatable life raft cable force measuring device, which has the advantage of more accurate inflatable life raft cable force measuring data, so as to solve the problem of large error in inflatable life raft cable force measuring data.

[0008] In order to achieve more accurate force measurement data of the inflatable life raft cable, the utility model provides the following technical solutions: an inflatable life raft cable force measuring device, comprising a force measuring device body and a placement table installed on the top surface of the force measuring device body, two ball screws are movably installed inside the force measuring device body, screw sliders are movably installed on the outer surfaces of the two ball screws, and a tension test table is commonly installed on one end surface of the two screw sliders, a cable groove is opened inside the placement table, a cable fixing assembly is installed inside the placement table, and a second force measuring assembly is installed inside the force measuring device body.

[0009] As a preferred technical solution of the utility model, a first stepper motor is installed inside the force measuring device body, and a first shaft is movably installed on the outer surface of the output end of the first stepper motor.

[0010] As a preferred technical solution of the utility model, a driving gear is installed on the top surface of the first shaft, and driven gears are installed on the outer surfaces of the two ball screws. The outer surfaces of the driving gear mesh with the outer surfaces of the two driven gears.

[0011] As a preferred technical solution of the utility model, the fixing assembly includes a thread groove and a thread fixing rod, the thread groove is opened inside the placement table, and the thread fixing rod is movably installed in the thread groove.

[0012] As a preferred technical solution of the utility model, the second force measuring assembly includes a second stepper motor and a second shaft, the second stepper motor is installed inside the force measuring device body, and the second shaft is movably installed on the outer surface of the output end of the second stepper motor.

[0013] As a preferred technical solution of the utility model, a rotating disc is installed on one end surface of the second shaft, a test block is installed on the outer surface of the rotating disc, and the outer surface of the second shaft is in active contact with the inside of the placement table.

[0014] Compared with the prior art, the utility model provides an inflatable life raft cable force measuring device, which has the following beneficial effects:

[0015] The inflatable life raft cable force measuring device controls the first stepper motor to work through a controller, and the first shaft, the driving gear, the two driven gears, the two ball screws and the two screw sliders cooperate with each other to drive the tension tester to move upward stably, so that the inflatable life raft cable is vertically tightened, so that the tension tester can measure the tension of the inflatable life raft cable more accurately.

[0016] The inflatable life raft cable force measuring device controls the second stepping motor to work through a controller, and the second axis, the rotating disc and the test block cooperate with each other to measure the force of the taut inflatable life raft cable. The inflatable life raft cable with different tensions can be adjusted to measure the force of the inflatable life raft cable, so that the force measurement data of the inflatable life raft cable is more complete. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the external structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the external structure of the placement table of the utility model.

[0020] In the figure: 1. Tension test table; 2. Force measuring device body; 3. First stepper motor; 4. Second stepper motor; 5. Thread groove; 6. Thread fixing rod; 7. First axis; 8. Driving gear; 9. Driven gear; 10. Ball screw; 11. Screw slider; 12. Second axis; 13. Rotating disc; 14. Test block; 15. Placement table; 16. Cable groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 3The utility model discloses a force measuring device for an inflatable life raft cable, comprising a force measuring device body 2 and a placing table 15 fixed with bolts on the top surface of the force measuring device body 2, two ball screws 10 are movably installed inside the force measuring device body 2, and screw sliders 11 are movably installed on the outer surfaces of the two ball screws 10, and the screw sliders 11 cooperate with the ball screws 10 to make the screw sliders 11 perform linear motion on the ball screws 10, and one end surface of the two screw sliders 11 is jointly installed with a tension test table 1, and the tension test table 1 is used for the inflatable life raft cable. The tension value is measured, a cable groove 16 is provided inside the placing platform 15, a cable fixing assembly is provided inside the placing platform 15, one end surface of the inflatable life raft cable is inserted into the cable groove 16, and then the other end surface of the inflatable life raft cable is hung in the force measuring device body 2, a second force measuring assembly is provided inside the force measuring device body 2, a first stepper motor 3 is installed with internal bolts, a first shaft 7 is movably installed on the outer surface of the output end of the first stepper motor 3, a driving gear 8 is installed on the top surface of the first shaft 7, and the outer surfaces of the two ball screws 10 are provided with a plurality of rollers 14, and a plurality of rollers 15 are provided with a plurality of rollers 16. The side surfaces are all equipped with driven gears 9, and the outer surface of the driving gear 8 meshes with the outer surfaces of the two driven gears 9. The first stepper motor 3 is controlled by the controller to work, and the first stepper motor 3 drives the first shaft 7 and the driving gear 8 to rotate, and the driving gear 8 synchronously drives the two driven gears 9 and the two ball screws to rotate. The fixing component includes a thread groove 5 and a thread fixing rod 6. The thread groove 5 is provided with an interior of a placement table 15, and the thread fixing rod 6 is movably threaded and fixed in the thread groove 5. The second force measuring component includes a second stepper motor The second stepper motor 4 is bolted to the inside of the force measuring device body 2, the second shaft 12 is movably mounted on the outer surface of the output end of the second stepper motor 4, one end surface of the second shaft 12 is bolted to the rotating disc 13, the outer surface of the rotating disc 13 is bolted to the test block 14, the outer surface of the second shaft 12 is in movably contact with the inside of the placing table 15, the second stepper motor 4 drives the second shaft 12 and the rotating disc 13 to rotate, so that the test block 14 squeezes the tension and measures the force of the taut inflatable life raft cable;

[0023] First, the first stepper motor 3 is controlled by the controller to work, and the first shaft 7, the driving gear 8, the two driven gears 9, the two ball screws 10 and the two screw sliders 11 cooperate with each other to drive the tension test table 1 to move upward stably, so that the inflatable life raft cable is vertically tightened, so that the tension test table 1 can measure the tension of the inflatable life raft cable more accurately, and then the second stepper motor 4 is controlled by the controller to work, and the second shaft 12, the rotating disc 13 and the test block 14 cooperate with each other to measure the force of the tightened inflatable life raft cable, and the inflatable life raft cable with different tensions can be adjusted to measure the force of the inflatable life raft cable, so that the force measurement data of the inflatable life raft cable is more complete.

[0024] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An inflatable life raft cable force measuring device, comprising a force measuring device body (2) and a placement table (15) mounted on the top surface of the force measuring device body (2), characterized in that: Two ball screws (10) are movably mounted inside the force measuring device body (2), and screw sliders (11) are movably mounted on the outer surfaces of the two ball screws (10). A tension test table (1) is commonly mounted on one end surface of the two screw sliders (11). A cable groove (16) is provided inside the placement table (15), and a cable fixing assembly is mounted inside the placement table (15). A second force measuring assembly is mounted inside the force measuring device body (2).

2. The inflatable life raft cable force measuring device according to claim 1, characterized in that: A first stepper motor (3) is installed inside the force measuring device body (2), and a first shaft (7) is movably installed on the outer surface of the output end of the first stepper motor (3).

3. The inflatable life raft cable force measuring device according to claim 2, characterized in that: A driving gear (8) is mounted on the top surface of the first shaft (7), and driven gears (9) are mounted on the outer surfaces of the two ball screws (10). The outer surface of the driving gear (8) meshes with the outer surfaces of the two driven gears (9).

4. The inflatable life raft cable force measuring device according to claim 1, characterized in that: The fixing assembly comprises a thread groove (5) and a thread fixing rod (6); the thread groove (5) is opened inside the placement platform (15); and the thread fixing rod (6) is movably mounted inside the thread groove (5).

5. The inflatable life raft cable force measuring device according to claim 1, characterized in that: The second force measuring assembly comprises a second stepping motor (4) and a second shaft (12); the second stepping motor (4) is mounted inside the force measuring device body (2); and the second shaft (12) is movably mounted on the outer surface of the output end of the second stepping motor (4).

6. The inflatable life raft cable force measuring device according to claim 5, characterized in that: A rotating disc (13) is mounted on one end surface of the second shaft (12), a test block (14) is mounted on the outer surface of the rotating disc (13), and the outer surface of the second shaft (12) is in active contact with the interior of the placement table (15).

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