Winch cable drum braking force testing device

Abstract

The utility model relates to a winch cable drum braking force testing device which comprises a fixing plate, an oil cylinder, a pressure hose, a pressure gauge and a pressure pump. One side of the fixing plate is fixedly connected with a winding drum baffle of a winch cable winding drum, the other side of the fixing plate is connected with an output shaft of an oil cylinder, the pressure pump is connected with the oil cylinder through a pressure hose, and the pressure gauge is arranged on the pressure hose. According to the scheme, after the winch cable drum is in the braking state, the braking force test of the brake device of the winch cable drum can be completed only by controlling the pressing mode of the pressure pump, reading the numerical value of the pressure gauge and testing whether the winch drum in the braking state can rotate or not when the specified pressure is reached, the operation is simple, and the safety is high.

Description

Technical Field

[0001] The utility model relates to the technical field of winch cable drum brake force testing, in particular to a winch cable drum brake force testing device. Background Art

[0002] The mooring winch is an important deck machinery. Whether the brake device of the winch cable drum is reliable is an important safety indicator for ship operation. According to the specification, its braking force needs to be tested regularly. The safety load of the winch configured on the ship is relatively large. The current conventional detection method is to measure the braking force of the brake device of the winch cable drum by a dynamometer. This detection method has the problem of complex operation and unsafe. Utility Model Content

[0003] In order to solve the above problems in the prior art, the utility model provides a winch cable drum brake force testing device, which converts the brake force test value into a pressure gauge value, thereby improving the safety performance and facilitating on-site testing work.

[0004] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include: a winch cable drum brake force testing device, including a fixing plate, a cylinder, a pressure hose, a pressure gauge and a pressure pump;

[0005] One side of the fixed plate is fixedly connected to the drum baffle of the winch cable drum, and the other side of the fixed plate is connected to the output shaft of the oil cylinder. The pressure pump is connected to the oil cylinder through a pressure hose, and the pressure gauge is arranged on the pressure hose.

[0006] The working principle of the utility model is: after the installation and commissioning of the mooring winch on the ship is completed, a braking force test is performed: after the winch is in the braking state, the pressure pump is started to pressurize to a specified pressure, and the pressure is transmitted to the triangular plate, thereby generating an upward thrust on the winch drum, and the torque generated by the oil cylinder is balanced with the torque of the cable in the working state of 80% of the safety load, and the drum does not rotate, indicating that the braking force of the brake device meets the requirements.

[0007] The beneficial effect of the utility model is that after the winch cable drum is in a braking state, the solution only needs to control the pressure pump to pressurize, and when the pressure gauge value reaches the specified pressure, it is tested whether the winch drum in the braked state can rotate, thereby completing the braking force test of the brake device of the winch cable drum, which is simple to operate and highly safe.

[0008] Preferably, the fixed plate is shaped like an isosceles triangle, the top angle of the fixed plate is connected to the output shaft of the oil cylinder, the two bottom angles of the fixed plate are fixed on the drum baffle, the output shaft of the oil cylinder extends vertically upward, and the central axis of the fixed plate coincides with the horizontal diameter of the drum baffle.

[0009] As described above, the shape of the fixed plate is designed to be an isosceles triangle, and its two bottom corners are fixedly connected to the drum baffle to ensure the stability of the connection between the fixed plate and the drum baffle, and the output shaft of the cylinder extends vertically upward, and the central axis of the fixed plate coincides with the horizontal diameter of the drum baffle, which can facilitate the relevant calculations of the braking force test.

[0010] Preferably, it further comprises a first supporting device;

[0011] The oil cylinder is fixed on the first supporting device.

[0012] As described above, the drum baffle of the winch cable drum is relatively high, and the oil cylinder is raised and supported by the first supporting device to ensure that the force application position of the oil cylinder can meet the requirements.

[0013] Preferably, the first support device comprises a bottom pad, a toggle plate, a support tube, a top pad and a first handle;

[0014] The bottom pad and the top pad are respectively fixed to the bottom and the top of the support tube, the toggle plates are fixed to the bottom of the side wall of the support tube at equal intervals, and the bottom surface of the toggle plates is fixedly connected to the top surface of the bottom pad, and the first handle is connected to the side wall of the support tube.

[0015] As described above, the first supporting device of this structural design has strong structural stability, and a first handle is designed on the side wall of the supporting tube to facilitate daily movement.

[0016] Preferably, it further comprises a second supporting device;

[0017] The bottom of the second supporting device is fixedly connected to the top of the oil cylinder, and the top of the second supporting device is connected to the fixing plate through a pin shaft.

[0018] As described above, the second supporting device is used to transmit the pressure of the oil cylinder to the fixing plate and ensure the connection stability between the oil cylinder and the fixing plate.

[0019] Preferably, the pressure pump is an HP type pressure wrench pump.

[0020] As described above, the pressure pump is designed as an HP type pressure wrench pump, which is convenient for users to operate.

[0021] Preferably, a second handle is provided on one side of the fixing plate.

[0022] As described above, the design of the second handle facilitates the movement and installation of the fixing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1This is a schematic diagram of the overall structure of a winch cable drum brake force testing device of the utility model;

[0024] Figure 2 This is a schematic diagram of the principle structure of a winch cable drum brake force testing device of the utility model;

[0025] Figure 3 It is a front view of a fixing plate of a winch cable drum brake force testing device of the utility model;

[0026] Figure 4 It is a side view of a fixing plate of a winch cable drum brake force testing device of the utility model;

[0027] Figure 5 It is a structural schematic diagram of a first supporting device of a winch cable drum brake force testing device of the utility model;

[0028] Figure 6 It is a structural schematic diagram of a second supporting device of a winch cable drum brake force testing device of the utility model;

[0029] Figure 7 It is a structural schematic diagram of a pin shaft of a winch cable drum brake force testing device of the utility model;

[0030] Description of reference numerals:

[0031] 1. Roll baffle;

[0032] 2. Fixed plate; 201. Second handle;

[0033] 3. Oil cylinder;

[0034] 4. First supporting device; 401. Supporting tube; 402. Bottom pad; 403. Top pad; 404. Toggle plate; 405. First handle;

[0035] 5. Second supporting device; 6. Pin shaft; 7. Pressure pump; 8. Pressure hose; 9. Pressure gauge; 10. Drum; 11. Cable. DETAILED DESCRIPTION

[0036] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation modes in conjunction with the accompanying drawings. Embodiment 1

[0037] Please refer to Figures 1 to 7 As shown, a winch cable drum brake force testing device includes a fixing plate 2, a cylinder 3, a pressure hose 8, a pressure gauge 9 and a pressure pump 7;

[0038] One side of the fixed plate 2 is fixedly connected to the drum baffle 1 of the winch cable 11, and the other side of the fixed plate 2 is connected to the output shaft of the cylinder 3. The pressure pump 7 is connected to the cylinder 3 through a pressure hose 8, and the pressure gauge 9 is arranged on the pressure hose 8.

[0039] In this embodiment, the shape of the fixed plate 2 is an isosceles triangle, the top angle position of the fixed plate 2 is connected to the output shaft of the cylinder 3, the two bottom angle positions of the fixed plate 2 are fixed on the drum baffle 1, the output shaft of the cylinder 3 extends vertically upward, and the central axis of the fixed plate 2 coincides with the horizontal diameter of the drum baffle 1.

[0040] In this embodiment, it also includes a first supporting device 4;

[0041] The oil cylinder 3 is fixed on the first supporting device 4 .

[0042] In this embodiment, the first supporting device 4 includes a bottom pad 402, a toggle plate 404, a supporting tube 401, a top pad 403 and a first handle 405;

[0043] The bottom pad 402 and the top pad 403 are respectively fixed to the bottom and top of the support tube 401, the toggle plates 404 are fixed at equal intervals to the bottom of the side wall of the support tube 401, and the bottom surface of the toggle plates 404 is fixedly connected to the top surface of the bottom pad 402, the first handle 405 is connected to the side wall of the support tube 401, and the support tube 401 is preferably a steel tube.

[0044] In this embodiment, a second supporting device 5 is also included;

[0045] The bottom of the second supporting device 5 is fixedly connected to the top of the oil cylinder 3 , and the top of the second supporting device 5 is connected to the fixing plate 2 via a pin 6 .

[0046] In this embodiment, two handles 201 are disposed on one side of the fixing plate 2 .

[0047] In this embodiment, the pressure pump 7 is a HP type pressure wrench pump.

[0048] refer to Figure 2 As shown, the working principle of this embodiment relies on the following formula:

[0049] 80% braking force = T1

[0050] Brake arm = L1

[0051] Roller 10 diameter = D

[0052] Cable 11 diameter = d

[0053] The piston pressure area of ​​cylinder 3 = A

[0054] Cylinder 3 force = F1

[0055] F1=T1*(D+d) / (2*L1)

[0056] The liquid in the pressure hose 8 is under pressure (i.e. the reading of the pressure gauge 9) = P1

[0057] P1=F1 / A

[0058] Based on the above formula, during the pressure pump 7 pressurizing process, when the pressure gauge 9 reading reaches the specified pressure P1, it can be tested whether the winch drum in the braked state can rotate.

[0059] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A winch cable drum brake force testing device, characterized in that: It includes a fixing plate, a cylinder, a pressure hose, a pressure gauge and a pressure pump; One side of the fixed plate is fixedly connected to the drum baffle of the winch cable drum, and the other side of the fixed plate is connected to the output shaft of the oil cylinder. The pressure pump is connected to the oil cylinder through a pressure hose, and the pressure gauge is arranged on the pressure hose.

2. The winch cable drum brake force testing device according to claim 1, characterized in that: The shape of the fixed plate is an isosceles triangle, the top angle of the fixed plate is connected to the output shaft of the oil cylinder, the two bottom angles of the fixed plate are fixed to the drum baffle, the output shaft of the oil cylinder extends vertically upward, and the central axis of the fixed plate coincides with the horizontal diameter of the drum baffle.

3. The winch cable drum brake force testing device according to claim 1, characterized in that: Also included is a first supporting device; The oil cylinder is fixed on the first supporting device.

4. The winch cable drum brake force testing device according to claim 3, characterized in that: The first support device includes a bottom pad, a toggle plate, a support tube, a top pad and a first handle; The bottom pad and the top pad are respectively fixed to the bottom and the top of the support tube, the toggle plates are fixed to the bottom of the side wall of the support tube at equal intervals, and the bottom surface of the toggle plates is fixedly connected to the top surface of the bottom pad, and the first handle is connected to the side wall of the support tube.

5. The winch cable drum brake force testing device according to claim 1, characterized in that: Also comprising a second supporting device; The bottom of the second supporting device is fixedly connected to the top of the oil cylinder, and the top of the second supporting device is connected to the fixing plate through a pin shaft.

6. The winch cable drum brake force testing device according to claim 1, characterized in that: The pressure pump is an HP type pressure wrench pump.

7. The winch cable drum brake force testing device according to claim 1, characterized in that: A second handle is provided on one side of the fixing plate.

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