Cable fixing device for acceleration test

Abstract

The utility model discloses a cable fixing device for an acceleration test, which comprises a shell, and the shell is connected with a longitudinal pressure applying assembly, a transverse pressure applying assembly and a tightening assembly. The longitudinal pressing assembly comprises a longitudinal screw rod, and the longitudinal screw rod is connected with a longitudinal pressing plate; the transverse pressing assembly comprises a transverse screw rod, and the transverse screw rod is connected with a transverse pressing plate; the tightening assembly is connected to one end of the shell and comprises a tightening screw rod and a tightening plate, one end of the tightening plate is connected with the tightening screw rod, and the other end of the tightening plate is provided with a limiting end. According to the utility model, through the improvement of the longitudinal pressure applying assembly and the transverse pressure applying assembly, the cable is pressed and limited in the longitudinal and transverse directions, the pressing stability is ensured, and finally, the cable is tightened at the end part, so that the cable is ensured to be concentrated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to acceleration test field, concretely relates to a cable fixing device for acceleration test. BACKGROUND

[0002] In acceleration test, if cable is not fixed stably or loosens, it can cause cable to fall off or wind on test equipment, thereby causing test safety hidden danger problem. Acceleration test cable fixing device can effectively prevent this situation from happening by providing stable fixing and support, and guarantee the safety of test process. In acceleration test, cable can be subjected to large inertial load force, and this force is related to the mass of product, acceleration value, size and direction. If there is no proper stable fixing device, cable can fall off due to unfirm installation.

[0003] Acceleration test cable fixing devices on the existing market are usually composed of fixing support, clamping mechanism, cable guiding mechanism and shock absorbing and buffering mechanism. The fixing support is used for fixing the device on the test equipment, the clamping mechanism is used for clamping the cable, the cable guiding mechanism is used for guiding the direction of the cable, and the shock absorbing and buffering mechanism is used for reducing the impact of acceleration on the cable. The defects and deficiencies of the prior art are as follows: (1) insufficient clamping force, the clamping mechanism of the existing product can have the problem of insufficient clamping force, which can cause the cable to loosen or fall off during the acceleration test process. This can affect the accuracy of the test, and even can cause the cable to be damaged. (2) poor adaptability, the structure and size of the existing product are usually fixed, which is difficult to adapt to cables of different diameters or types. This limits the universality and flexibility of the device, increases the difficulty and cost of use. (3) inconvenient installation and disassembly, the installation and disassembly process of the existing product can be complex and tedious, which requires a lot of time and effort. This not only increases the preparation time before the test, but also can affect the efficiency and progress of the test. SUMMARY

[0004] In order to overcome the deficiencies of the prior art, the utility model patent provides a cable fixing device for acceleration test, which is used to ensure the stability of product cable during the test process, thereby improving the accuracy of the test and preventing possible safety hazards.

[0005] In order to solve the above problems existing in the prior art, the utility model adopts the following technical scheme:

[0006] A cable fixing device for acceleration test, comprising a shell, the shell is connected with a longitudinal pressure assembly, a transverse pressure assembly and a tightening assembly;

[0007] The longitudinal pressure assembly comprises a longitudinal screw rod, and the longitudinal screw rod is connected with a longitudinal pressure plate;

[0008] The transverse pressing assembly comprises a transverse screw, and a transverse pressing plate connected to the transverse screw.

[0009] The tightening assembly is connected to one end of the shell, and comprises a tightening screw and a tightening plate, one end of the tightening plate being connected to the tightening screw, and the other end of the tightening plate being provided with a limiting end.

[0010] The conventional cable fixing device has a fixed specification and cannot be adjusted according to different cables, and has poor adaptability, the longitudinal pressing assembly and the transverse pressing assembly are improved, the cable is pressed and limited in the longitudinal and transverse directions, the stability of the pressing is ensured, and finally the cable is tightened at the end portion.

[0011] Further, the longitudinal pressing assembly is provided with a plurality of threaded extension bosses connected to the shell, a plurality of longitudinal screws are threadedly connected to the threaded extension bosses, and the end portions of the plurality of longitudinal screws are connected to the same longitudinal pressing plate.

[0012] The shell is provided with a longitudinal limiting groove, and the two ends of the longitudinal pressing plate extend into the longitudinal limiting groove and slide along the longitudinal limiting groove.

[0013] Since the shell has a large length, in order to ensure the stability of the cable, a plurality of longitudinal pressing assemblies and a plurality of transverse pressing assemblies are arranged to ensure that the cable is well pressed at each position.

[0014] The threaded extension boss is arranged on the shell, the internal thread is arranged on the threaded extension boss to facilitate the connection of the longitudinal screw, and the longitudinal pressing plate is connected to a plurality of longitudinal screws, so that the stress of each part of the longitudinal pressing plate is uniform, and the pressing force is stable. In addition, the longitudinal limiting groove is arranged on both sides of the shell, the two ends of the longitudinal pressing plate are clamped in the longitudinal limiting groove, the vertical movement of the longitudinal pressing plate is ensured, the left and right shaking of the longitudinal pressing plate is avoided, and the stability is improved.

[0015] Further, the transverse pressing assembly is provided with a plurality of connecting plates connected to the shell, a plurality of transverse screws are threadedly connected to the connecting plates, and the end portions of the transverse screws are connected to the transverse pressing plate.

[0016] The shell is connected to a limiting groove frame, the limiting groove frame is provided with a transverse limiting groove, and the two ends of the transverse pressing plate extend into the transverse limiting groove and slide along the transverse limiting groove.

[0017] Further, a connecting plate is arranged on the shell, and an internal thread is arranged on the connecting plate to facilitate the connection of the transverse screw rod, and since the transverse pressing plate is short, only one transverse screw rod needs to be connected.In addition, a limiting groove frame is connected to the two sides of the shell, and a transverse limiting groove is arranged on the limiting groove frame, and the two ends of the transverse pressing plate are clamped in the transverse limiting groove, which can ensure the horizontal movement of the transverse pressing plate, and can also avoid the left and right shaking of the transverse pressing plate, thereby improving the stability.

[0018] Further, the tightening plate is threadedly connected with the shell through the tightening screw rod, and the tightening plate is rotationally connected with the tightening screw rod, and the limiting end cooperates with the shell to form a limiting hole.

[0019] The tightening plate is used for the final tightening of the cable, and the cable has been compressed by the longitudinal pressing assembly and the transverse pressing assembly, and then the tightening assembly is used for tightening, so that a good fixing effect can be achieved.

[0020] The limiting end is provided with a circular-arc-shaped notch, and when the limiting end partially penetrates the shell, a limiting hole is formed between the limiting end and the shell, and the limiting hole is used for limiting the cable.According to the thickness and the number of the cable, the length of the limiting end penetrating the shell can be adjusted, so that the size of the limiting hole can be adjusted to meet the needs of different cables.

[0021] The acceleration test cable fixing device can effectively protect the cable from damage and ensure the safety of the test process by providing stable support and fixation. The use of the acceleration test cable fixing device can simplify the product installation process and improve the test efficiency. The fixing device makes the arrangement and connection of the cable more simple and fast, reducing the preparation time before the test and the adjustment time during the test. In addition, the fixing device can also reduce the confusion and entanglement of the cable, making the test process clearer and more orderly. The acceleration test cable fixing device is usually designed to be adjustable and universal to adapt to different application scenarios and test requirements. By adjusting the structure or size of the fixing device, it can adapt to cables of different diameters or types. In addition, the fixing device can also be adjusted according to the shape and size of the test object to ensure the best fixing effect and test accuracy.

[0022] The beneficial effects of the utility model are as follows:

[0023] (1) Enhance the clamping force, in order to solve the problem of insufficient clamping force, adopt more efficient clamping mechanism design, increase the size and stability of clamping force;Adopt adjustable clamping mechanism, adjust according to the diameter and type of cable to ensure clamping effect.

[0024] (2) Enhance adaptability, in order to adapt to different diameter or type of cable, adopt adjustable fixed support and clamping mechanism, adjust according to the actual situation of cable;Design various specifications of pull plate to meet the needs of different users.

[0025] (3) Simplify the installation and disassembly process, in order to simplify the installation and disassembly process, the parts and connection mode are easy to disassemble and install; provide detailed installation and disassembly guide to help users quickly complete the operation. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 Structure diagram of the utility model Figure 1 .

[0027] Figure 2 Structure diagram of the utility model Figure 2 .

[0028] Figure 3 Structure diagram of the utility model Figure 3 .

[0029] Figure 4 For Figure 3 The local enlarged view of part A in the utility model.

[0030] In the figure: 1 - shell; 2 - longitudinal pressure assembly; 21 - longitudinal screw; 22 - threaded extension boss; 23 - longitudinal pressing plate; 24 - longitudinal limiting groove; 3 - transverse pressure assembly; 31 - transverse pressing plate; 32 - transverse screw; 33 - connecting plate; 34 - transverse limiting groove; 35 - limiting groove frame; 4 - tightening assembly; 41 - tightening plate; 42 - limiting hole; 44 - tightening screw; 45 - limiting end. DETAILED DESCRIPTION

[0031] The utility model will be further described below in combination with the drawings and reference numerals.

[0032] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model will be described in detail below in combination with the drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0033] The terms "first", "second", "third" and the like are only used for differentiation and description, and cannot be understood as indicating or implying relative importance.

[0034] In the description of the utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0035] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely intended to illustrate and explain the present application, and are not intended to limit the present application.

[0036] Embodiment 1:

[0037] As shown in Figures 1-4 A cable fixing device for acceleration test, comprising a shell 1, the shell 1 is connected with longitudinal pressure assembly 2, transverse pressure assembly 3 and tightening assembly 4;

[0038] The longitudinal pressure assembly 2 comprises a longitudinal screw 21, the longitudinal screw 21 is connected with a longitudinal pressing plate 23;The end of the longitudinal screw 21 is rotatably connected with the longitudinal pressing plate 23, when the longitudinal screw 21 rotates, the longitudinal pressing plate 23 does not rotate.

[0039] The transverse pressure assembly 3 comprises a transverse screw 32, the transverse screw 32 is connected with a transverse pressing plate 31;The end of the transverse screw 32 is rotatably connected with the transverse pressing plate 31, when the transverse screw 32 rotates, the transverse pressing plate 31 does not rotate.

[0040] The tightening assembly 4 is connected to one end of the shell 1, the tightening assembly 4 comprises a tightening screw 44 and a tightening plate 41, one end of the tightening plate 41 is connected with the tightening screw 44, the other end of the tightening plate 41 is provided with a limiting end 45.

[0041] The traditional cable fixing device has fixed specifications, which cannot be adjusted according to different cables, and has poor adaptability, the present application improves the longitudinal pressure assembly 2 and the transverse pressure assembly 3, and tightens and limits the cable in the longitudinal and transverse directions, ensures the stability of the tightening, and finally tightens the end, concentrates the cable in the corner of the fixing device, and prevents the cable from being scattered.

[0042] Embodiment 2:

[0043] On the basis of embodiment 1, the longitudinal pressure assembly 2 is provided with a plurality of longitudinal pressure assemblies 2, the longitudinal pressure assembly 2 comprises a threaded extension boss 22 connected to the shell 1, the threaded extension boss 22 is threadedly connected with a plurality of longitudinal screws 21, and the ends of the plurality of longitudinal screws 21 are connected to the same longitudinal pressing plate 23. The threaded extension boss 22 and the shell 1 are of an integral structure, the threaded extension boss 22 is connected with the shell 1 first, and then the threads are machined on the threaded extension boss 22 and the shell 1 together, one threaded extension boss 22 can connect a plurality of longitudinal screws 21, and the specific number is set according to the needs.

[0044] The shell 1 is provided with longitudinal limiting grooves 24, and the two ends of the longitudinal pressing plate 23 extend into the longitudinal limiting grooves 24 and slide along the longitudinal limiting grooves 24. The longitudinal limiting grooves 24 are used for limiting the longitudinal pressing plate 23, and the two ends of the longitudinal pressing plate 23 are clamped in the two longitudinal limiting grooves 24 respectively, so that the longitudinal pressing plate 23 can move vertically along the longitudinal limiting grooves 24 when moving, and the stability of the longitudinal pressing plate 23 is ensured.

[0045] Since the shell 1 is long, in order to ensure the stability of the cable, a plurality of longitudinal pressing assemblies 2 and a plurality of transverse pressing assemblies 3 are arranged to ensure that the cable is tightly pressed at each position.

[0046] The threaded extension boss 22 is arranged on the shell 1, the inner thread is arranged on the threaded extension boss 22, the length of the thread is increased, the connection of the longitudinal screw 21 is facilitated, the connection stability of the longitudinal screw 21 is improved, the longitudinal pressing plate 23 is connected with a plurality of longitudinal screws 21, the stress uniformity of the longitudinal pressing plate 23 at each position is ensured, and the tight pressing force is stable. In addition, the longitudinal limiting grooves 24 are arranged on the two sides of the shell 1, the two ends of the longitudinal pressing plate 23 are clamped in the longitudinal limiting grooves 24, the vertical movement of the longitudinal pressing plate 23 is ensured, the left and right (here, left and right refer to the direction perpendicular to the longitudinal limiting grooves 24) shaking of the longitudinal pressing plate 23 is avoided, and the stability is improved.

[0047] Embodiment 3:

[0048] On the basis of embodiment 2, the transverse pressing assembly 3 is provided with a plurality of (the specific number can be changed according to the length of the fixing device), the transverse pressing assembly 3 comprises a connecting plate 33 connected to the shell 1, the connecting plate 33 is threadedly connected with a transverse screw 32, and the end of the transverse screw 32 is connected with a transverse pressing plate 31. One side of the shell is provided with a plurality of connecting plates 33, and gaps are arranged between the connecting plates 33 and the connecting plates 33. In this way, when the cable is tightly pressed, the tight pressing condition of the cable can be observed through the gaps, and any accident can be adjusted in time, thereby improving the operation convenience.

[0049] The shell 1 is connected with a limiting groove frame 35, the limiting groove frame 35 is provided with a transverse limiting groove 34, and the two ends of the transverse pressing plate 31 extend into the transverse limiting groove 34 and slide along the transverse limiting groove 34. Similar to the longitudinal limiting groove 24, the transverse limiting groove 34 also needs to be arranged on both sides to limit the two ends of the transverse pressing plate 31 and ensure the stable movement of the transverse pressing plate 31. However, the lower side of the shell 1 is an open structure and cannot be provided with the transverse limiting groove 34. Therefore, the limiting groove frame 35 is arranged on the shell 1 first, and then the transverse limiting groove 34 is opened on the limiting groove frame 35, so as to limit the two ends of the transverse pressing plate 31.

[0050] The shell 1 is also provided with mounting holes (not marked in the figure) for mounting and connecting the shell 1.

[0051] The connecting plate 33 is arranged on the shell 1, and the inner thread is arranged on the connecting plate 33 to facilitate the connection of the transverse screw rod 32. Since the transverse pressing plate 31 is short, only one transverse screw rod 32 needs to be connected. In addition, the limiting groove frame 35 is connected to the two sides of the shell 1, and the transverse limiting groove 34 is arranged on the limiting groove frame 35. The two ends of the transverse pressing plate 31 are clamped in the transverse limiting groove 34, which can ensure the horizontal movement of the transverse pressing plate 31 and avoid the left and right (here, left and right refer to the direction perpendicular to the longitudinal limiting groove 24) shaking of the transverse pressing plate 31, thereby improving the stability.

[0052] Embodiment 4:

[0053] On the basis of embodiment 3, the tightening plate 41 is threadedly connected to the shell 1 through the tightening screw rod 44, the tightening plate 41 is rotationally connected to the tightening screw rod 44, and the limiting end 45 cooperates with the shell 1 to form the limiting hole 42.

[0054] The tightening plate 41 is used for the last tightening of the cable. After the cable has been pressed by the longitudinal pressing assembly 2 and the transverse pressing assembly 3, the cable is then tightened by the tightening assembly 4, which can achieve a good fixing effect. The limiting hole 42 is arranged at one end close to the transverse pressing plate 31. During use, the cable is first pressed to one end by the transverse pressing plate 31, and then the cable that has been pressed to the end is longitudinally pressed by the longitudinal pressing plate 23, so that the cable is gathered in a corner. Then, the tightening plate 41 is slid and clamped to the cable gathered in the corner.

[0055] The shell 1 is provided with a mounting groove (not marked in the figure) for connecting the tightening plate 41. The mounting groove is consistent with the direction of the transverse limiting groove 34 and is arranged on the upper and lower sides of the shell (the mounting groove on the lower side is the same as the transverse limiting groove 34 and needs to be opened by means of the limiting groove frame 35). The tightening plate 41 slides along the mounting groove. The left and right ends of the shell 1 are open for the cable to pass through. If the cable enters from the left end, the tightening plate 41 is connected to the right end. If the cable enters from the right end, the tightening plate 41 is connected to the left end.

[0056] The limiting end 45 is provided with a circular-arc-shaped notch. When the limiting end 45 partially penetrates the shell 1, the limiting hole 42 is formed between the limiting end 45 and the shell 1. The limiting hole 42 is used for limiting the cable. According to the thickness and the number of the cable, the length of the limiting end 45 penetrating the shell 1 can be adjusted, so that the size of the limiting hole 42 is adjusted to meet the needs of different cables.

[0057] Specific working principle:

[0058] In use, first, the shell 1 is connected to the centrifuge arm (the shell 1 is connected to the centrifuge arm by the mounting holes on both sides of the shell 1 through bolts), then the cable is inserted from one end of the shell 1 and is drawn out from the other end of the shell 1, then the longitudinal screw rod 21 is rotated, the longitudinal screw rod 21 drives the longitudinal pressing plate 23 to move downwards and presses the cable on the limiting groove frame 35, then the transverse screw rod 32 is rotated, the transverse screw rod 32 drives the transverse pressing plate 31 to move forwards and presses the cable on the shell 1, so that the cable is gathered on the corner of the shell 1, finally, the tightening screw rod 44 is rotated, the limiting hole 42 is formed between the limiting end 45 and the shell 1, and it is guaranteed that all the cables are in the limiting hole 42.

[0059] In actual work, the longitudinal pressing assembly can be adjusted first, or the transverse pressing assembly can be adjusted first, or the longitudinal pressing assembly and the transverse pressing assembly are adjusted together, as long as the cable can be gathered at one end.

[0060] The utility model is not limited to the above optional implementation, anyone can draw other various forms of products under the enlightenment of the utility model, but no matter make any change in shape or structure, all technical schemes falling into the scope defined by the utility model claims fall within the protection scope of the utility model.

Claims

1. A cable fixing device for acceleration testing, characterized in that: Includes a housing (1), which is connected to a longitudinal pressure assembly (2), a transverse pressure assembly (3) and a tightening assembly (4); The longitudinal pressure assembly (2) includes a longitudinal screw (21) connected to a longitudinal pressure plate (23); The transverse pressure assembly (3) includes a transverse screw (32), which is connected to a transverse pressure plate (31); The tightening assembly (4) is connected to one end of the housing (1). The tightening assembly (4) includes a tightening screw (44) and a tightening plate (41). One end of the tightening plate (41) is connected to the tightening screw (44), and the other end of the tightening plate (41) is provided with a limiting end (45).

2. The cable fixing device for acceleration testing according to claim 1, characterized in that: The longitudinal pressure assembly (2) is provided in multiple ways. The longitudinal pressure assembly (2) includes a threaded extension boss (22) connected to the housing (1). The threaded extension boss (22) is threadedly connected to multiple longitudinal screws (21). The ends of the multiple longitudinal screws (21) are all connected to the same longitudinal pressure plate (23).

3. The cable fixing device for acceleration testing according to claim 1, characterized in that: The housing (1) is provided with a longitudinal limiting groove (24), and both ends of the longitudinal pressure plate (23) extend into the longitudinal limiting groove (24) and slide along the longitudinal limiting groove (24).

4. The cable fixing device for acceleration testing according to claim 1, characterized in that: The transverse pressure assembly (3) is provided in multiple parts. The transverse pressure assembly (3) includes a connecting plate (33) connected to the housing (1). The connecting plate (33) is threadedly connected to a transverse screw (32). The end of the transverse screw (32) is connected to a transverse pressure plate (31).

5. The cable fixing device for acceleration testing according to claim 1, characterized in that: The housing (1) is connected to a limiting groove frame (35), which is provided with a transverse limiting groove (34). The two ends of the transverse pressure plate (31) extend into the transverse limiting groove (34) and slide along the transverse limiting groove (34).

6. The cable fixing device for acceleration testing according to claim 1, characterized in that: The tightening plate (41) is threadedly connected to the housing (1) via the tightening screw (44), and the tightening plate (41) is rotatably connected to the tightening screw (44). The limiting end (45) cooperates with the housing (1) to form a limiting hole (42).

Images