A retention force testing machine

Abstract

The utility model belongs to electrical harness manufacturing technical field discloses a kind of holding force testing machine.Including workbench, pivot is installed on workbench, pivot is sleeved with rotary disc, fixed hole is set up on rotary disc, fixed ring is installed in fixed hole, fixed ring fixes harness, connector is installed on harness, and the end part of harness is fixedly connected with pivot;Solve the problem that harness is bent in the testing process under prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical wiring harness manufacturing, in particular to a retention force testing machine. Background Art

[0002] Sealing rings are mostly made of silica gel or rubber materials, and have the functions of sealing, waterproofing and dustproofing. Wiring harnesses are one of the important components in the automotive or robotics industry, serving as the carrier for electrical signal control and the key to realizing reliable transmission of electrical signals. Sealing rings are arranged inside connectors to achieve waterproof and dustproof effects for the connectors. Detection is required after the wiring harnesses, sealing rings and connectors are produced and assembled.

[0003] One of the testing items for wiring harness connectors is the sealing ring retention force, and the measurement method is as follows: fix the connector and its wiring harness on a rotating rotating disc, fix the sealing ring at a specified position from the rotation center, and rotate at a specified acceleration. If the wiring harness connector can maintain for a specified time and the sealing ring does not fall off during this process, it is qualified. However, in the prior art, if the length of the wiring harness connector is long, the problem of obvious bending will occur during rotation, and at this time, the centrifugal pulling force generated at the connector position cannot meet the set requirements, resulting in the inability to accurately measure the retention force of the sealing ring. Summary of Utility Model

[0004] The purpose of the utility model is to provide a retention force testing machine to solve the problem that in the prior art, the wiring harness will bend if it is too long during the testing process.

[0005] To achieve this objective, the utility model adopts the following technical solution: the utility model provides a retention force testing machine, comprising a workbench, a rotating shaft is installed on the workbench, a rotating disc is sleeved on the rotating shaft, a fixing hole is opened on the rotating disc, a fixing ring is installed in the fixing hole, the fixing ring fixes a wiring harness, a connector is installed on the wiring harness, and the wiring harness is fixedly connected with the end of the rotating shaft.

[0006] Preferably, petal portions are circumferentially installed on the rotating disc, the petal portions are equally spaced on the circumferential direction of the rotating disc, and the fixing hole is opened along the radial direction of the rotating disc.

[0007] Preferably, the rotating disc comprises a connecting portion, the connecting portion is arc-shaped, and along the arc direction of the circumferential direction of the rotating disc, the fixing hole is opened on the connecting portion.

[0008] Preferably, a fence is installed on the workbench, and the rotating disc is installed inside the fence.

[0009] Preferably, a flip cover is rotatably installed on one side of the fence, and the flip cover is capped on the fence.

[0010] Preferably, the fence is equipped with a latch, which is electrically connected to the motor. When the motor is started, the latch closes.

[0011] Preferably, the workbench is equipped with a motor and a reduction gear, the motor is connected to the rotating shaft through the reduction gear, and the reduction gear can adjust the rotation speed of the rotating shaft.

[0012] Preferably, an operation panel is installed on one side of the workbench, and a speed adjustment switch is provided on the operation panel. The speed adjustment switch is electrically connected to the speed reduction component.

[0013] Preferably, the operation panel is equipped with a rotation time switch, which is electrically connected to the motor.

[0014] Preferably, the fixing ring includes a plug and a cable tie, the cable tie is installed on the top of the plug, the wire harness is passed through the cable tie, and the plug is inserted into the fixing hole.

[0015] Beneficial effects: The retaining force test of this utility model has a fixing hole, and a fixing ring is installed in the fixing hole, so that the wire harness can be fixed on the rotating disk by the fixing ring. After the wire harness is fixed, it can rotate synchronously with the rotating disk, so that the wire harness can rotate at a preset acceleration, and the retaining force of the sealing ring inside the connector can be accurately measured. Attached Figure Description

[0016] Figure 1 This is a main drawing of the holding force testing machine of this utility model.

[0017] In the diagram: 1. Workbench; 2. Rotating shaft; 3. Rotating disc; 31. Petal section; 32. Connecting section; 4. Fixing hole; 5. Fence; 6. Flip cover; 7. Lock; 8. Control panel. Detailed Implementation

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0019] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0020] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0021] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0022] In the current technology, due to the long length of the wire harness, the angular velocity of the wire harness portion cannot reach the target requirement during the rotation of the rotating disk, resulting in the centrifugal force reaching the set target value, and thus the holding force formed by the sealing ring inside the connector cannot be accurately measured.

[0023] To solve the above problems, such as Figure 1 As shown, this utility model provides a holding force testing machine, including a workbench 1, a rotating shaft 2 installed on the workbench 1, a rotating disk 3 sleeved on the rotating shaft 2, a fixing hole 4 opened on the rotating disk 3, a fixing ring installed in the fixing hole 4, the fixing ring fixing a wire harness, a connector installed on the wire harness, and the wire harness being fixedly connected to the end of the rotating shaft 2.

[0024] Because the wire harness is relatively long, it can be installed inside the fixing ring and then fixed through the fixing holes 4 on the rotating disk 3. This allows multiple positions of the wire harness to be fixed on the rotating disk 3, enabling each position of the wire harness to rotate synchronously with the rotating disk 3. This ensures that each position of the wire harness reaches the target angular velocity, allowing the sealing ring inside the connector on the wire harness to accurately reach the target value set by the holding force testing machine. Consequently, it is possible to accurately measure whether the sealing ring inside the connector meets the design requirements, providing operators with accurate design results.

[0025] The rotating disk 3 is circumferentially mounted with petal-shaped parts 31, which are evenly spaced on the circumference of the rotating disk 3. Fixing holes 4 are provided along the radial direction of the rotating disk 3.

[0026] During testing, the wire harness is typically swung into a state that is radially parallel to the rotating disk 3. Multiple fixing holes 4 are radially arranged on the petal part 31, and a fixing ring is installed in each fixing hole 4. Through the connection between the wire harness and the fixing ring, each position of the wire harness can maintain a synchronous rotation speed and angular velocity with the rotating disk 3, so that each position on the wire harness can reach the centrifugal force set by the holding force testing machine. Thus, it can be directly observed that the sealing ring meets the design requirements.

[0027] Multiple rows of fixing holes 4 are arranged radially, which can simultaneously test multiple groups of wire harnesses, or fix a long wire harness in an S-shape in the above-mentioned multiple rows of fixing holes 4, so that the holding force tester can test wire harnesses of different lengths and can test more specifications of wire harnesses.

[0028] The rotating disk 3 includes a connecting part 32, which enhances the structural strength of the entire rotating disk 3. The connecting part 32 is arc-shaped and has fixing holes 4 along the circumferential arc direction of the rotating disk 3. The fixing holes 4 on the connecting part 32 allow for a wider range of wire harness fixing and more flexible positioning of the wire harness on the rotating disk 3.

[0029] A guardrail 5 is installed on the workbench 1, and a rotating disk 3 is installed inside the guardrail 5. The guardrail 5 can prevent the inner wire harness from being thrown out. Similarly, a flip cover 6 is installed on one side of the guardrail 5. The flip cover 6 is attached to the guardrail 5 to improve the sealing ability of the guardrail 5 and protect the staff around the holding force testing machine.

[0030] The fence 5 is equipped with a latch 7, which is electrically connected to the motor. When the motor starts, the latch 7 closes. During the operation of the holding force testing machine, the latch 7 is in a locked state, which can prevent personnel from accidentally opening it and protect the staff from being hit by the flying wires.

[0031] The workbench 1 is equipped with a motor and a reduction gear. The motor is connected to the rotating shaft 2 via the reduction gear, which can adjust the rotation speed of the rotating shaft 2, thus allowing the rotating disk 3 to rotate at different speeds. The motor speed can be continuously adjusted from 0 to 1500 rpm, and the connector sealing ring can be adjusted from 0 to 0.4 meters, allowing for arbitrary acceleration settings between 0 and 1000 g (or 10000 m / s²). The wire of this invention is lightweight, with negligible weight. By changing the connection position with the rotating shaft 2, the length of the wire and the fixing position of the sealing ring can be adjusted.

[0032] An operation panel 8 is installed on one side of the workbench 1. The operation panel 8 is equipped with a speed adjustment switch. The speed adjustment switch is electrically connected to the speed reduction component. The rotation speed of the rotating disk 3 can be directly operated by adjusting the speed adjustment switch, so that the holding force testing machine can test different holding forces.

[0033] The operation panel 8 is equipped with a rotation time switch, which is electrically connected to the motor. By rotating the time switch, the rotation speed and duration of the rotating disk 3 can be flexibly adjusted, thereby flexibly adjusting the test time.

[0034] The fixing ring includes a plug and a cable tie. The cable tie is installed on the top of the plug, and the wire harness is passed through the cable tie. The plug is inserted into the fixing hole 4. By setting the plug, the wire harness can be kept parallel to the rotating disk 3, so that the tension on the connector held by the wire harness can be the same as the target value set by the holding force testing machine, thus improving the accuracy of the measurement. The cable tie can quickly fix the wire harness and shorten the test time.

[0035] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A holding force testing machine, characterized in that, Includes a workbench (1), on which a rotating shaft (2) is installed, and a rotating disk (3) is sleeved on the rotating shaft (2). A fixing hole (4) is opened on the rotating disk (3), and a fixing ring is installed in the fixing hole (4). The fixing ring fixes a wire harness, and a connector is installed on the wire harness. The wire harness is fixedly connected to the end of the rotating shaft (2).

2. The holding force testing machine according to claim 1, characterized in that, The rotating disk (3) is circumferentially equipped with petal parts (31), the petal parts (31) are evenly spaced on the circumferential direction of the rotating disk (3), and the fixing holes (4) are opened radially along the rotating disk (3).

3. The holding force testing machine according to claim 2, characterized in that, The rotating disk (3) includes a connecting part (32), which is arc-shaped and has the fixing hole (4) provided on it along the arc direction of the rotating disk (3) circumferentially.

4. The holding force testing machine according to claim 1, characterized in that, The workbench (1) is equipped with a fence (5), and the rotating disk (3) is installed inside the fence (5).

5. The holding force testing machine according to claim 4, characterized in that, A flip cover (6) is rotatably installed on one side of the fence (5), and the flip cover (6) is attached to the fence (5).

6. The holding force testing machine according to claim 5, characterized in that, The fence (5) is equipped with a latch (7), which is electrically connected to the motor. When the motor is started, the latch (7) closes.

7. The holding force testing machine according to claim 1, characterized in that, The workbench (1) is equipped with a motor and a speed reduction component. The motor is connected to the rotating shaft (2) through the speed reduction component. The speed reduction component can adjust the rotation speed of the rotating shaft (2).

8. The holding force testing machine according to claim 7, characterized in that, An operation panel (8) is installed on one side of the workbench (1). A speed adjustment switch is provided on the operation panel (8), and the speed adjustment switch is electrically connected to the deceleration component.

9. The holding force testing machine according to claim 8, characterized in that, The operation panel (8) is equipped with a rotation time switch, which is electrically connected to the motor.

10. The holding force testing machine according to claim 7, characterized in that, The fixing ring includes a plug and a cable tie. The cable tie is installed on the top of the plug, the wire harness is passed through the cable tie, and the plug is inserted into the fixing hole (4).

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