Control steel cable connection auxiliary device

Abstract

The invention discloses a control steel cable connection auxiliary device which is characterized in that a first clamping plate is fixed on a steel rail, a second clamping plate is mounted on a shell capable of sliding along the steel rail, and clamping heads of the first clamping plate and the second clamping plate are respectively used for fixing the end part of a steel cable; a driving cavity is formed in the shell, a second spring and a first spring are installed on a steel rail in the driving cavity, and the elastic coefficient of the first spring is larger than that of the second spring; the first limiting block is located between the front side wall of the driving cavity and the front end of the second spring and inclines to the steel rail when not subjected to external force. The second stop block is positioned on the steel rail on the rear sides of the first stop block and the second stop block; the first spring is mounted between the second stop block and the rear wall of the driving cavity; the handle is installed in the shell through a rotating shaft, the upper end of the handle is of a wedge-shaped structure and makes contact with the lower end of the second limiting block, and the lower end of the handle is a driving end. The problem that the connecting distance between the two steel cables is slightly larger than the length of the thread sleeve, and the steel cables are difficult to connect is solved.

Description

Technical Field

[0001] The invention belongs to the field of aircraft assembly coordination and relates to an auxiliary device for connecting a control cable. Background Art

[0002] In the field of aircraft assembly, steel cables are important components and transmission parts of the control system. The connection of two steel cables is completed by the combination of positive and negative threads and screw sleeves. In the process of connecting the steel cables, two workers usually use wrenches or pliers to fix the hexagons of the connection between the two steel cables, and then use a screw sleeve to screw into the threads of the two steel cables at the same time, and finally connect the steel cables through the positive and negative threads of the two steel cables. This operation method has some disadvantages in the actual process:

[0003] First, the cable connection must be completed by two or more people. When production tasks are busy and staff is insufficient, this work is very restrictive and wastes manpower.

[0004] Secondly, the steel cable is generally composed of multiple strands of steel wire ropes, and has a high tensile strength. However, in actual production, the connection distance between the two steel cables is often slightly greater than the length of the screw sleeve. This requires two workers to pull the two steel cables at the same time and continue to exert force to screw the screw sleeve in. In the case where the force of the two steel cables is slightly greater, a third person may even be required to screw the screw sleeve in. In addition, the amount of thread screwing on both sides is often uneven, which greatly increases the difficulty of this work.

[0005] Finally, the space for connecting some of the cables is relatively small, making it difficult to connect the cables and adjust the tension and cable end distance in the middle and late stages. Summary of the invention

[0006] Aiming at the operational difficulties in current steel cable connection, the present invention provides a steel cable connection auxiliary device, which enables a single person to connect the steel cables and adjust the tension, reduces manpower consumption, and solves the problem of difficulty in connecting the steel cables when the connection distance between the two steel cables is slightly greater than the length of the screw sleeve.

[0007] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0008] A cable connection auxiliary device includes: a housing, a first clamping plate, a second clamping plate, a top block, a rail, a second spring, a first spring, a first limit block, a second limit block, a reset button and a handle, wherein:

[0009] The first clamping plate is installed at the front end of the rail, and the housing is sleeved on the rail and can slide along the rail; the second clamping plate is fixed on the housing; the clamping heads of the first clamping plate and the second clamping plate are respectively used to fix the end of a steel cable;

[0010] A driving cavity is arranged in the shell, and a second spring and a first spring are installed on the steel rail in the driving cavity, wherein the elastic coefficient of the first spring is greater than the elastic coefficient of the second spring; a first limiting block and a second limiting block are also mounted on the steel rail, wherein the first limiting block is located between the front side wall of the driving cavity and the front end of the second spring, and is inclined to the steel rail when no external force is applied; a first stopper and a second stopper are arranged on the inner wall of the shell, and the rear end of the second spring is supported on the first stopper and the second stopper;

[0011] The second stopper is located on the rail behind the first stopper and the second stopper, the front end of the first spring is supported on the second stopper, and the rear end of the first spring is supported on the rear wall of the driving cavity;

[0012] The handle is installed in the housing through a rotating shaft, the upper end of the handle is a wedge-shaped structure, which contacts the lower end of the second limiting block, and the lower end of the handle is a driving end;

[0013] When the handle is continuously pressed, the handle pushes the second limit block to move on the rail. In the process of continuous compression and extension of the first spring, the housing portion is driven to move along the rail to drive the first clamping plate and the second clamping plate to approach each other.

[0014] Furthermore, a limit pin is arranged at the rear end of the rail to limit the maximum movement position of the shell.

[0015] Furthermore, the rear end of the second stopper is a limiting surface of the wedge-shaped structure at the upper end of the handle. After the handle is reset, the upper end of the handle contacts the rear end of the second stopper and cannot continue to rotate, so as to facilitate the next driving of the handle.

[0016] Furthermore, the first clamping plate and the second clamping plate have clamping heads facing opposite directions, a strip-shaped clamping slot is formed on the clamping head, and one side of the clamping slot is a clamping cavity.

[0017] Furthermore, after the steel cable passes through the slot, the hexagonal connector installed on the threaded end of the steel cable is clamped in the clamping cavity, and the second clamping plate is driven close to the first clamping plate and the connection of the two steel cables is achieved by rotating the screw sleeve.

[0018] Furthermore, a top block is arranged on the upper part of the front side wall of the driving chamber, and a reset button is arranged on the outer wall of the front end of the driving chamber, and one end of the reset button passes through the side wall of the shell and contacts the lower part of the first limit block; under the elastic force of the second spring on the first limit block, the first limit block is arranged inclined, and the center hole thereof fixes the position of the shell on the rail through the friction between the shell and the rail.

[0019] Furthermore, when the reset button is pressed so that the length of the end of the reset button extending out of the inner wall of the driving cavity is the same as the thickness of the top block, the first limit block is in a state vertical to the rail, releasing the limit on the shell, and the shell can slide freely on the rail to adjust its position.

[0020] Furthermore, a torsion spring is provided in the rotating shaft for resetting the handle.

[0021] Compared with the prior art, the present invention has the following technical features:

[0022] 1. It realizes single-person connection of steel cables and adjustment of tension, reducing manpower consumption and improving production efficiency;

[0023] 2. Solve the problem that the connection distance between the two steel cables is slightly greater than the length of the screw sleeve, which makes it difficult to connect the steel cables, greatly shortening the operation time.

[0024] 3. The device is easy to use and can quickly connect steel cables in places where the space is small and it is difficult to connect steel cables. It is also suitable for steel cables of various specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a main cross-sectional view of the present invention;

[0026] Figure 2 A top view of the present invention;

[0027] Figure 3 It is a partial view of the present invention from the direction A. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to further understand the features and technical contents of the present invention, the specific implementation modes of the present invention are further described below in conjunction with the accompanying drawings.

[0029] See attached Figure 1-3 The present invention provides a cable connection auxiliary device, which converts the rotational motion of the handle into the linear motion of the rail, drives the clamping plates to move in the direction of approaching each other, thereby realizing the cable connection; comprising: a housing 1, a first clamping plate 2, a second clamping plate 3, a first reinforcing beam 4, a second reinforcing beam 5, a top block 6, a rail 7, a second spring 8, a first spring 9, a first limit block 10, a second limit block 11, a first stop block 12, a second stop block 13, a limit pin 14, a reset button 15, a handle 16 and a rotating shaft 17, wherein:

[0030] The first clamping plate 2 is installed at the front end of the rail 7 through the first reinforcing beam 4, the shell 1 is sleeved on the rail 7 and can slide along the rail 7, and the second clamping plate 3 is fixed to the shell 1 through the second reinforcing beam 5; wherein, the first clamping plate 2 and the second clamping plate 3 have clamping heads facing opposite directions, and a strip-shaped clamping groove is provided on the clamping head, and one side of the clamping groove is a clamping cavity; the clamping heads of the first clamping plate 2 and the second clamping plate 3 are respectively used to fix the end of a steel cable; after the steel cable passes through the clamping groove, the hexagonal connector installed on the threaded end of the steel cable is clamped in the clamping cavity, and the second clamping plate 3 is driven close to the first clamping plate 2, and when the distance between the threaded ends of the two steel cables is less than the length of the screw sleeve, the connection of the two steel cables is achieved by rotating the screw sleeve; through the design of the first reinforcing beam 4 and the second reinforcing beam 5, the first clamping plate 2 and the second clamping plate 3 can withstand the reaction force brought by the two steel cables in the process of pulling the threaded ends of the two steel cables closer;

[0031] A driving cavity is provided in the shell 1, and a second spring 8 and a first spring 9 are installed on the rail 7 in the driving cavity, wherein the elastic coefficient of the first spring 9 is greater than the elastic coefficient of the second spring 8; a first limit block 10 and a second limit block 11 are also mounted on the rail 7, wherein the first limit block 10 is located between the front side wall of the driving cavity and the front end of the second spring 8, and is inclined to the rail 7 when not subjected to external force; a first stop block 12 and a second stop block 13 are provided on the inner wall of the shell 1, and the rear end of the second spring 8 is supported on the first stop block 12 and the second stop block 13; specifically, a top block 6 is provided on the upper part of the front side wall of the driving cavity, A reset button 15 is arranged on the outer wall of the front end of the driving cavity, and one end of the reset button 15 passes through the side wall of the shell and contacts the lower part of the first limit block 10; under the elastic force of the second spring 8 on the first limit block 10, the first limit block 10 is arranged obliquely, and the center hole thereof fixes the position of the shell 1 on the rail 7 through the friction between the first limit block 10 and the rail 7; when the reset button 15 is pressed so that the length of the end of the reset button 15 extending out of the inner wall of the driving cavity is the same as the thickness of the top block 6, the first limit block 10 is in a state of being perpendicular to the rail 7, and the limit on the shell 1 is released, and the shell 1 can slide freely on the rail 7 to adjust its position;

[0032] The second stopper 11 is located on the rail 7 behind the first stopper 12 and the second stopper 13, the front end of the first spring 9 is supported on the second stopper 11, and the rear end of the first spring 9 is supported on the rear wall of the driving cavity;

[0033] The handle 16 is installed in the housing 1 through the rotating shaft 17. The upper end of the handle 16 is a wedge-shaped structure, which contacts the lower end of the second limit block 11. The lower end of the handle 16 is a driving end. The rotating shaft 17 has a torsion spring for resetting the handle 16.

[0034] When the handle 16 is continuously pressed, the handle 16 pushes the second stopper 11 to move on the rail 7. Since the elastic coefficient of the first spring 9 is greater than the elastic coefficient of the second spring 8, it is sufficient to overcome the static friction force applied to the rail 7 by the second spring 8 through the first stopper 10, so that in the process of continuous compression and extension of the first spring 9, the housing 1 is driven to move along the rail 7, so as to drive the first clamping plate 2 and the second clamping plate 3 to approach each other;

[0035] Furthermore, a limit pin 14 is provided at the rear end of the rail 7 to limit the maximum movement position of the housing 1 .

[0036] Furthermore, the rear end of the second stopper 13 is a limiting surface of the wedge-shaped structure at the upper end of the handle 16. After the handle 16 is reset, the upper end of the handle 16 contacts the rear end of the second stopper 13 and cannot continue to rotate, so as to facilitate the next driving of the handle 16.

[0037] The size of the center holes on the first limiting block 10 and the second limiting block 11 is slightly larger than the size of the rail 7 .

[0038] In this solution, the first limit block 10 is in an inclined position due to the action of the top block 6 when it is stationary, and the lower end of the first limit block 11 pushes out the reset button 15. At the same time, the first limit block 11 contacts the rail 7 and provides a static friction force to the rail 7. This static friction force compresses the second spring 8 to bring about an interaction force, thereby limiting the axial movement of the housing 1 relative to the rail 7; the second limit block 11 is in a vertical state when it is stationary and has no contact with the rail 7. The interaction force brought about by the first spring 9 in a compressed state fixes the second limit block 11 on the first stop block 12 and the second stop block 13. The handle 16 is in a fixed position under the action of the second stop block 11 and the second limit block at the same time in the stationary state.

[0039] Under the action of external force, the handle 16 moves around the rotating shaft 17, thereby pushing the lower end of the second limit block 11 to move. The movement of the second limit block 11 can be decomposed into two simultaneous movements, namely, rotational movement and axial movement along the rail 7; the rotational movement causes the second limit block 11 to tilt and contact the rail 7, and at the same time further compresses the first spring 9. At this time, the second limit block 11 tilts and contacts the rail 7, bringing a static friction force to the rail 7. This force value is the interaction force brought by the further compression of the first spring 9. This force value is greater than the static friction force brought to the rail 7 by the first limit block 10 when the second spring 8 is in a compressed state. Therefore, the second limit block 11 will carry the housing 1 along the rail 7 along the axial movement.

[0040] The acting forces of the first limit block 10, the second spring 8, the second limit block 11 and the first spring 9 in different states can drive the housing 1 on the rail 7 to move along the rail axis 7. At the same time, in a stationary state, the rail 7 is limited by static friction and will not rebound. By squeezing the handle 16 multiple times, the two cable joints can be gradually brought closer.

[0041] When the reset button 15 is subjected to external force, the lower end of the first limit block 10 will be pushed to make the first limit block 10 in a vertical state. At this time, the static friction between the first limit block 10 and the rail 7 is suddenly reduced, thereby releasing the restriction of the shell 1 relative to the rail 7, so that the shell 1 can move freely along the rail 7.

[0042] The limiting pin 14 limits the movement range of the housing 1 . When the housing 1 moves to contact with the limiting pin 14 , the limiting pin 14 will block the housing 1 .

[0043] Before connecting the steel cables, press the reset button 15 to adjust the first clamping plate 2 and the second clamping plate 3 to the appropriate position, then fix the hexagonal joints of the two steel cables on the first clamping plate 2 and the second clamping plate 3 respectively, press the handle 16 once to make the first clamping plate 2 and the second clamping plate 3 slightly stressed, prepare the screw sleeve, hold the device with your hands to ensure that the two steel cables are not affected by the gravity of the device, that is, the threaded joints of the two steel cables are in a horizontal position without bending, press the handle 16 slowly and repeatedly, and the threaded joints of the two steel cables gradually approach each other. When the distance between them is equal to or slightly less than the length of the screw sleeve, align the two steel cable threaded joints at the same time at the two ends of the screw sleeve, rotate the screw sleeve clockwise, and screw the joints at both ends of the screw sleeve into the screw sleeve at the same time, continue to slowly press the handle 16 several times, and then continue to rotate the screw sleeve clockwise. When the threaded joint is completely invisible, press the reset button 15 to adjust the positions of the first clamping plate 2 and the second clamping plate 3 to unload the device, remove the device, and the steel cable connection is completed.

Claims

1. A control cable connection auxiliary device, characterized in that: include: A housing (1), a first clamping plate (2), a second clamping plate (3), a top block (6), a rail (7), a second spring (8), a first spring (9), a first limit block (10), a second limit block (11), a reset button (15) and a handle (16), wherein: The first clamping plate (2) is mounted on the front end of the steel rail (7), and the housing (1) is sleeved on the steel rail (7) and can slide along the steel rail (7); the second clamping plate (3) is fixed on the housing (1); the clamping heads of the first clamping plate (2) and the second clamping plate (3) are respectively used to fix the end of a steel cable; A driving chamber is provided in a housing (1), and a second spring (8) and a first spring (9) are installed on a steel rail (7) in the driving chamber, wherein the elastic coefficient of the first spring (9) is greater than the elastic coefficient of the second spring (8); a first stopper (10) and a second stopper (11) are also mounted on the steel rail (7), wherein the first stopper (10) is located between the front side wall of the driving chamber and the front end of the second spring (8), and is inclined toward the steel rail (7) when no external force is applied; a first stopper (12) and a second stopper (13) are provided on the inner wall of the housing (1), and the rear end of the second spring (8) is supported on the first stopper (12) and the second stopper (13); The second stopper (11) is located on the rail (7) at the rear side of the first stopper (12) and the second stopper (13); the front end of the first spring (9) is supported on the second stopper (11); and the rear end of the first spring (9) is supported on the rear wall of the driving chamber; The handle (16) is installed in the housing (1) via a rotating shaft (17); the upper end of the handle (16) is a wedge-shaped structure and contacts the lower end of the second limiting block (11); the lower end of the handle (16) is a driving end; When the handle (16) is continuously pressed, the handle (16) pushes the second limit block (11) to move on the rail (7), and in the process of the first spring (9) being continuously compressed and extended, the housing (1) is driven to partially move along the rail (7), thereby driving the first clamping plate (2) and the second clamping plate (3) to move closer.

2. The control cable connection auxiliary device according to claim 1, characterized in that: A limit pin (14) is arranged at the rear end of the steel rail (7) to limit the maximum moving position of the housing (1).

3. The control cable connection auxiliary device according to claim 1, characterized in that: The rear end of the second stopper (13) is a limiting surface of the wedge-shaped structure at the upper end of the handle (16). After the handle (16) is reset, the upper end of the handle (16) contacts the rear end of the second stopper (13) and cannot continue to rotate, so as to facilitate the next driving of the handle (16).

4. The control cable connection auxiliary device according to claim 1, characterized in that: The first clamping plate (2) and the second clamping plate (3) have clamping heads facing opposite directions, the clamping heads are provided with strip-shaped clamping grooves, and one side of the clamping groove is a clamping cavity.

5. The control cable connection auxiliary device according to claim 1, characterized in that: After the steel cable passes through the slot, the hexagonal connector installed on the threaded end of the steel cable is clamped in the clamping cavity, and the second clamping plate (3) is driven close to the first clamping plate (2) to achieve connection between the two steel cables by rotating the threaded sleeve.

6. The control cable connection auxiliary device according to claim 1, characterized in that: A top block (6) is arranged on the upper part of the front side wall of the driving chamber, and a reset button (15) is arranged on the outer wall of the front end of the driving chamber. One end of the reset button (15) passes through the side wall of the shell body and contacts the lower part of the first limit block (10). Under the elastic force of the second spring (8) on the first limit block (10), the first limit block (10) is arranged obliquely, and the center hole thereof fixes the position of the shell body (1) on the steel rail (7) through the friction between the first limit block (10) and the steel rail (7).

7. The control cable connection auxiliary device according to claim 1, characterized in that: When the reset button (15) is pressed so that the length of the end of the reset button (15) extending out of the inner wall of the driving cavity is the same as the thickness of the top block (6), the first limit block (10) is in a state of being perpendicular to the steel rail (7), and the limit on the housing (1) is released. At this time, the housing (1) can slide freely on the steel rail (7) to adjust its position.

8. The control cable connection auxiliary device according to claim 1, characterized in that: The rotating shaft (17) is provided with a torsion spring for resetting the handle (16).

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