CN113071701A - Fastening adjusting device for airplane steel cable joint - Google Patents
Fastening adjusting device for airplane steel cable joint Download PDFInfo
- Publication number
- CN113071701A CN113071701A CN202110331175.0A CN202110331175A CN113071701A CN 113071701 A CN113071701 A CN 113071701A CN 202110331175 A CN202110331175 A CN 202110331175A CN 113071701 A CN113071701 A CN 113071701A
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- operating arm
- arm assembly
- steel cable
- sleeve
- subassembly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/10—Manufacturing or assembling aircraft, e.g. jigs therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Transportation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention provides a fastening and adjusting device for an airplane steel cable joint, which adopts a clamp structure, wherein the clamp structure comprises a first operating arm assembly and a second operating arm assembly; the first operating arm assembly is rotatably connected with one end of the second operating arm assembly, the other ends of the first operating arm assembly and the second operating arm assembly are provided with clamping joints, and the first operating arm assembly and the second operating arm assembly are linearly symmetrical along the position of the rotating connection point; during the use, cable wire A and cable wire B adopt the elasticity swivel nut to be connected, later the centre gripping on two centre gripping connectors, realize being connected cable wire A, cable wire B and elasticity swivel nut simultaneously through adjusting the opening angle between first operation arm subassembly and the second operation arm subassembly. The device installation is accurate, easy operation, easy dismounting, universalization degree height, has solved the unable problem of guaranteeing of cable wire mechanism connection length and tensile force, has avoided the risk that the rudder face is trembled, can't rotate among the flight process, has improved the installation accuracy, has shortened production cycle.
Description
Technical Field
The invention belongs to the technical field of airplane assembly, and relates to a joint tightening and adjusting device for connection inspection of a full airplane steel cable, installation of a fuselage operating steel cable, connection of a central wing and a middle and outer wing operating steel cables, connection of an engine throttle lever actuator steel cable and adjustment inspection.
Background
The aircraft control system is mainly used for controlling a control surface to deflect and changing or maintaining the flight state of the aircraft, is one of important system components, and influences the safety performance of the aircraft to a great extent.
The airplane control system includes two parts, one central control mechanism and one transmission system, and the power transmission mechanism includes mainly steel cable mechanism, such as aileron steel cable mechanism, elevator steel cable mechanism, pedal rod connecting steel cable mechanism, rudder operating steel cable mechanism, etc.
The steel cable mechanism comprises a steel cable, a steel cable connector, a pulley, a sector wheel, an elastic threaded sleeve, a tension compensator and the like. In the steel cable mechanism, the connection and installation of the steel cable and the elastic thread sleeve are difficult, and the elastic thread sleeve is a mechanical screw type assembly which comprises two steel cable joints with screw heads and a thread sleeve with internal threads, wherein one end of the elastic thread sleeve is a right-handed thread, and the other end of the elastic thread sleeve is a left-handed thread which is respectively matched with the left-handed threads or the right-handed threads of the joints of the steel cable A and the steel cable B to form a loop; the steel cable is low in rigidity and easy to loosen or tighten under the influence of an external environment, and gaps or additional friction are generated; the construction environment is complicated, the installation of the steel cable and the elastic thread sleeve can be completed only by the cooperation of three operators, wherein the two operators respectively hold the steel cable A and the steel cable B to the same height required by assembly, the other operator is respectively connected with the elastic thread sleeve by the elastic thread sleeve, in addition, the operation space is limited, the connection according to the preset length cannot be realized, the set tension value cannot be met, the sensitivity of an operating system is poor, the direct relation is realized on the assembly quality of an airplane, the performance of the airplane and the flight safety (the airplane is influenced by external load and ambient temperature change, so that the structure and the system generate different deformation, the tension and the length of the steel cable are changed, the control surface is easy to generate flutter in the flight process, and the rotation of the control surface cannot be ensured).
Disclosure of Invention
1. Solves the technical problem
The invention solves the problem that the connection length and the tension of a steel cable mechanism can not be ensured in the prior art, and provides the steel cable joint fastening and adjusting device which is accurate in installation, simple in operation, high in use precision, convenient to disassemble and assemble and directly acts on the steel lock mechanism of the operating system.
2. Technical scheme
In order to solve the technical problems, the invention is realized by the following technical scheme: according to the structural form and the spatial position of a steel cable mechanism in an airplane control system and the process characteristics of the steel cable and an elastic threaded sleeve, the precision of the connection size and the steel cable tension of the control system are ensured, and the steel cable mechanism is directly acted on. The device adopts a class clip structure, utilize the handle height-adjusting position, cable wire A around guaranteeing, cable wire B is in same level, can rotate in a flexible way in the connection, be convenient for look for the hookup location of cable wire joint swivel nut, thereby guarantee the size precision of connection, adopt this kind of form, in the installation, tight one-man operation can, operating personnel one hand is used for holding the device, height-adjusting, guarantee that cable wire A and cable wire B are in same level, another hand connects cable wire A and cable wire B's both ends joint through the elasticity swivel nut.
A tightening adjustment device for aircraft wire rope joints, the device employing a clip arrangement comprising a first operating arm assembly, a second operating arm assembly; the first operating arm assembly is rotatably connected with one end of the second operating arm assembly, the other ends of the first operating arm assembly and the second operating arm assembly are provided with clamping joints, and the first operating arm assembly and the second operating arm assembly are linearly symmetrical along the position of the rotating connection point; during the use, cable wire A and cable wire B adopt the elasticity swivel nut to be connected, later the centre gripping on two centre gripping connectors, through the change of field angle between first operation arm subassembly and the second operation arm subassembly, adjust distance and angle between cable wire A and the cable wire B, further realize being connected cable wire A, cable wire B and elasticity swivel nut.
Preferably, first operation arm subassembly and second operation arm subassembly one end are rotated and are connected, rotate and be connected and fill up the gasket between first operation arm subassembly and second operation arm subassembly, fill up the plain washer respectively in first operation arm subassembly and the second operation arm subassembly outside, the plain washer in clamp outside, first operation arm subassembly, gasket, second operation arm subassembly and the outside is passed in proper order to half round head rivet to the nail end of half round head rivet is thick, prevents to drop.
Preferably, the size of the installation gap of the first operating arm assembly and the second operating arm assembly is controlled to be 2mm, so that the first operating arm assembly and the second operating arm assembly can be flexibly rotated within a range of 360 degrees.
Preferably, the elastic thread insert is provided with a mounting hole, and a thimble is matched to be inserted into the elastic thread insert mounting hole, so that the elastic thread insert mounting hole is rotated to finely adjust the length of the steel cable during system calibration.
3. Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. the device changes the prior method for estimating the connection size of the steel cable A, the steel cable B and the elastic threaded sleeve in the steel cable mechanism, and simultaneously connects the steel cable A and the steel cable B with the elastic threaded sleeve, thereby ensuring the preset connection length, avoiding the problem of unbalanced connection size and controlling the size precision;
2. the first operating arm assembly and the second operating arm assembly can be adjusted at any angle within 360 degrees by adopting a clamp structure, the end clamping device needs to pay attention to angle control, the adjusting device is sleeved on the steel cable A and the steel cable B to slide towards the middle in the connecting process, the angle is changed to a certain extent, the included angle of the adjusting device is reduced from large to small, the clamping stagnation phenomenon cannot occur when the elastic threaded sleeve is clamped, and the connecting quality is ensured;
3. the device is convenient for single-person operation, the handle part is arranged, the clamping by a single hand is suitable, when the steel cable A, the steel cable B and the elastic thread insert are connected to form a loop, an operator does not need to lift the steel cable, and the steel cable joint and the elastic thread insert can be conveniently adjusted by a single person, so that the operation is convenient, and the time and the labor are saved;
4. the device adopts screw connection, is convenient to disassemble, can meet the connection requirement only by replacing the sleeve aiming at the steel cables with different specifications, reduces unnecessary waste and has high generalization degree;
5. the length of the steel cable is finely adjusted by using the thimble of the device when the system is checked, and the tension force of the steel cable is ensured.
Drawings
The invention comprises 7 figures, which are described as follows:
FIG. 1 is a schematic view of the installation and operation structure of the present invention;
FIG. 2 is a schematic view of a first operating arm assembly of the present invention;
FIG. 3 is a schematic view of a second manipulator arm assembly of the present invention;
FIG. 4 is a view showing the configuration of the thimble according to the present invention;
FIG. 5 is a profile view of a first handle of the present invention;
FIG. 6 is a profile view of a second handle of the present invention;
FIG. 7 is an outline view of the sleeve of the present invention.
Wherein: 1 is a first operating arm assembly, 2 is a second operating arm assembly, 3 is a gasket, 4 is a flat washer, 5 is a half-head rivet, 6 is a thimble, 7 is a first handle, 8 is a cylindrical pin, 9 is a sleeve, 10 is a spring washer, 11 is a flat washer, 12 is a slotted cylindrical head screw, 13 is a second handle, 14 is a steel cable a, 15 is a loose thread sleeve, and 16 is a steel cable B.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
in order to solve the technical problems, the invention is realized by the following technical scheme: a fastening and adjusting device for an airplane steel cable joint is characterized by comprising a first operating arm assembly 1, a second operating arm assembly 2, a gasket 3, a flat washer 4, a semi-circular head rivet 5 and an ejector pin 6, wherein the first operating arm assembly 1 is shown in figure 1, and the second operating arm assembly is shown in figure 1. The first operating arm assembly and the second operating arm assembly clamp screw joints of a steel cable A14 and a steel cable B16 respectively, and rotate through a half-round head rivet 5 and adjust the included angle of the first operating arm assembly and the second operating arm assembly, so that the steel cable A and the steel cable B slide towards the middle and are positioned at the same height and connected with an elastic threaded sleeve 15 to form a loop; and when the system is calibrated, the thimble 6 is inserted into the mounting hole of the elastic thread insert, the thread insert is rotated, and the length of the steel cable is finely adjusted.
Based on the design of the device, the first operating arm assembly is a combined assembly which comprises a first handle 7, a cylindrical pin 8, a sleeve 9, two phi 5 standard type spring washers 10, two phi 5x10 flat washers 11 and two M5x12 slotted cylindrical head screws 12. The first handle 7 is of a support arm structure, and a round hole is formed in the lower end of the support arm and used for connecting the first operating arm assembly 1 and the second operating arm assembly 2; the upper end is of a double-lug structure and is provided with two pairs of coaxial holes, the upper pair of coaxial holes are used for connecting the sleeve 9, and the lower pair of coaxial holes are provided with cylindrical pins which are used for limiting the sleeve when the steel cable is connected, so that the steel cable joint screw cannot rotate when being prevented from being screwed down. The sleeve 9 is a step-shaped 3/4 cylinder in appearance, the internal structure is divided into two parts, and the inner side of the large end is a smooth round hole for passing a steel cable; the inner part of the small end is an inner hexagon, and the size of the hexagon is set according to the size of the steel cable joint and is used for fixing the steel cable joint; and at the large end a coaxial hole of the same size as the upper side of the upper end of the first handle 7 is provided for the connection of the first handle 7 with the sleeve 9. Two slotted cylindrical head screws 12 respectively penetrate through the flat washer 11 and the standard spring washer 10 in sequence, enter from the outer side of the coaxial hole at the upper end of the first handle 7 and are connected with the fixed sleeve 9; a standard type spring washer 10 is used to adjust the tightness of the connection of the first handle 7 and the sleeve 9.
The second operating arm assembly is a combined assembly, as shown in fig. 3, the specific scheme is the same as that of the first operating arm assembly, wherein the second handle 13 is similar to the first handle 7 in appearance structure, and the only difference is that a small boss is left on the outer side of the upper end double-lug structure and is used for error-proof design of installation.
Meanwhile, after the first operating arm assembly 1 and the second operating arm assembly 2 are connected and mounted, the inner sides of the sleeves 9 are required to be ensured to be positioned at the inner sides of the device; the first handle 7 and the second handle 13 are connected with the sleeve 9, and the steel cable joints and the elastic thread sleeves with different specifications are convenient to replace.
The operation process is as follows:
1. all parts in the invention are manufactured;
2. when the control mechanism adjusts the tension of the steel cable, the installation condition of a steel cable loop is checked firstly, the device is used for fixing the joints of the steel cable A and the steel cable B which are connected with the two ends of the elastic threaded sleeve, and in the process of fixing the steel cable A and the steel cable B, the joint at the upper end of the operating arm assembly in the device provided by the invention can flexibly rotate to adapt to the actual position of the steel cable, prevent the steel cable from twisting, and ensure that the joints at the two ends cannot accidentally fall off or cause the length of the threaded sleeves screwed in the joints at the two ends to be inconsistent; secondly, the safety of the elastic thread sleeve is relieved; finally, the thimble 6 is inserted into the center hole of the elastic thread sleeve to rotate so as to cause the tension of the steel cable to change until the requirement is met;
3. after the tension of the steel cable is adjusted, the elastic threaded sleeve is screwed down to enable the tension to reach a specified value, the device is used for adjusting the steel cable A and the steel cable B to enable the notch at the joint of the steel cable A and the steel cable B to be aligned with the notch of the elastic threaded sleeve, and the processes of enabling the elastic threaded sleeve to be fused and enabling the steel cable fuse to be fused by the spring clamping pin are completed.
The arbitrary adjusting device and the adjusting method provided by the invention change the traditional adjusting form of the prior estimation aiming at the connecting size of the steel cable A, the steel cable B and the elastic threaded sleeve in the steel cable mechanism, and the device simultaneously connects the steel cable A and the steel cable B with the elastic threaded sleeve, thereby ensuring the preset connecting length, avoiding the problem of unbalanced connecting size and controlling the size precision; the adjusting device is sleeved on the steel cable A and the steel cable B to slide towards the middle in the connecting process by adopting a clamp structure, the angle is changed to a certain extent, the included angle of the adjusting device is greatly reduced, the clamping stagnation phenomenon cannot occur when the elastic threaded sleeve is clamped, and the connecting quality and the reliability are ensured; the connecting device is simple and convenient to operate, adopts screw connection, is convenient to disassemble, can meet the connecting requirement only by replacing the sleeve aiming at the steel cables with different specifications, reduces unnecessary waste and has high generalization degree; and meanwhile, the flexibility is higher.
In conclusion, the invention provides the tightening adjusting device which is accurate in installation, simple in operation, convenient in disassembly and assembly and high in generalization degree, directly acts on the steel cable mechanism of the operating system, fundamentally ensures the connection length and the tension of the steel cable mechanism, improves the performance of process equipment and the quality of products, reduces the operation difficulty, saves manpower, material resources and financial resources and shortens the production period.
While specific embodiments of the present invention have been described above, it should be noted that the above embodiments are not all routine techniques in the art; the invention is not limited to the specific embodiments described above, wherein equipment and structures not described in detail are understood to be practiced in a manner common in the art; numerous other and varied variations, changes or substitutions may be made by those skilled in the art without departing from the spirit of the invention, which falls within the scope of the claims; such modifications are to be considered as falling within the scope of the present invention.
Claims (8)
1. A tightening adjustment device for an aircraft wire rope joint, characterized by: the adjusting device adopts a clamp structure, and the clamp structure comprises a first operating arm assembly and a second operating arm assembly; the first operating arm assembly and one end of the second operating arm assembly are rotatably connected, the other ends of the first operating arm assembly and the second operating arm assembly are respectively provided with a clamping joint, and the first operating arm assembly and the second operating arm assembly are linearly symmetrical along the position of the rotating connection point; during the use, cable wire A and cable wire B adopt the elasticity swivel nut to be connected, later the centre gripping on two centre gripping connectors, realize being connected cable wire A, cable wire B and elasticity swivel nut simultaneously through adjusting the opening angle between first operation arm subassembly and the second operation arm subassembly.
2. The tightening adjustment device for aircraft wire rope joints according to claim 1, characterized in that: first operation arm subassembly and second operation arm subassembly one end are rotated and are connected, rotate to be connected and to have filled up the gasket between first operation arm subassembly and second operation arm subassembly, have filled up the plain washer respectively in first operation arm subassembly and the second operation arm subassembly outside, and the plain washer in the clamp outside, first operation arm subassembly, gasket, second operation arm subassembly and the outside is passed in proper order to half round head rivet to the nail end mound of half round head rivet is thick.
3. The tightening adjustment device for aircraft wire rope joints according to claim 1, characterized in that: the other ends of the first operating arm component and the second operating arm component are rotatably connected with the clamping joint so as to adapt to the fixation of steel cables at different angles.
4. The tightening adjustment device for aircraft wire rope joints according to claim 1, characterized in that: the elastic thread insert is provided with a mounting hole, the ejector pin is matched to be inserted into the elastic thread insert mounting hole, and the elastic thread insert mounting hole is rotated when the system is calibrated to finely adjust the length of the steel cable.
5. The tightening adjustment device for aircraft wire rope joints according to claim 1, characterized in that: the thimble sets up to J shape.
6. The tightening adjustment device for aircraft wire rope joints according to claim 1, characterized in that: the first operating arm assembly is an assembly part and comprises a first handle, a cylindrical pin, a sleeve, a spring washer, a flat washer and a slotted cylindrical head screw; the first handle is of a support arm structure, and a round hole is formed in the lower end of the support arm and used for connecting the first operating arm assembly and the second operating arm assembly; the upper end of the steel cable connecting sleeve is of a double-lug structure and is provided with two pairs of coaxial holes, the upper pair of coaxial holes are used for connecting the sleeve, and the lower pair of coaxial holes are provided with cylindrical pins and used for limiting the sleeve when the steel cable is connected.
7. The tightening adjustment device for aircraft wire rope joints according to claim 6, wherein: the sleeve is a step-shaped 3/4 cylindrical sleeve, the internal structure of the sleeve is divided into two parts, and the inner side of the large end is a smooth round hole for passing through a steel cable; the inner part of the small end is an inner hexagon and is used for fixing a steel cable joint; and a coaxial hole with the same size as the upper side of the upper end of the first handle is arranged at the large end and used for connecting the first handle and the sleeve.
8. The tightening adjustment device for aircraft wire rope joints according to claim 1, characterized in that: the second operating arm assembly is a combined part and comprises a first handle, a cylindrical pin, a sleeve, a spring washer, a flat washer and a slotted cylindrical head screw; wherein a small boss is left outside the double-lug structure at the upper end of the second handle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110331175.0A CN113071701A (en) | 2021-03-26 | 2021-03-26 | Fastening adjusting device for airplane steel cable joint |
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Application Number | Priority Date | Filing Date | Title |
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CN202110331175.0A CN113071701A (en) | 2021-03-26 | 2021-03-26 | Fastening adjusting device for airplane steel cable joint |
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CN113071701A true CN113071701A (en) | 2021-07-06 |
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CN202110331175.0A Pending CN113071701A (en) | 2021-03-26 | 2021-03-26 | Fastening adjusting device for airplane steel cable joint |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202008008094U1 (en) * | 2008-04-21 | 2008-10-09 | Slw Patentmanagement Gbr (Vertretungsberechtigte Gesellschafter: Veronika Schedlbauer | Device for irradiating an airship and airship with such a device |
CN203438099U (en) * | 2013-06-13 | 2014-02-19 | 中国商用飞机有限责任公司 | Clamp used for positioning steel rope |
CN208616212U (en) * | 2018-07-04 | 2019-03-19 | 芜湖天航装备技术有限公司 | A kind of ejection control mechanism device for detecting performance |
CN210704620U (en) * | 2019-05-15 | 2020-06-09 | 陕西飞机工业(集团)有限公司 | Single-person operated airplane steel cable connection auxiliary device |
CN112027110A (en) * | 2020-09-08 | 2020-12-04 | 南京航空航天大学 | Device for testing airplane steering column transmission system |
-
2021
- 2021-03-26 CN CN202110331175.0A patent/CN113071701A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202008008094U1 (en) * | 2008-04-21 | 2008-10-09 | Slw Patentmanagement Gbr (Vertretungsberechtigte Gesellschafter: Veronika Schedlbauer | Device for irradiating an airship and airship with such a device |
CN203438099U (en) * | 2013-06-13 | 2014-02-19 | 中国商用飞机有限责任公司 | Clamp used for positioning steel rope |
CN208616212U (en) * | 2018-07-04 | 2019-03-19 | 芜湖天航装备技术有限公司 | A kind of ejection control mechanism device for detecting performance |
CN210704620U (en) * | 2019-05-15 | 2020-06-09 | 陕西飞机工业(集团)有限公司 | Single-person operated airplane steel cable connection auxiliary device |
CN112027110A (en) * | 2020-09-08 | 2020-12-04 | 南京航空航天大学 | Device for testing airplane steering column transmission system |
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Application publication date: 20210706 |