Aircraft seat slide rail positioning and clamping device

Abstract

The utility model belongs to the technical field of aviation assembly, and particularly relates to an aircraft seat sliding rail positioning and clamping device which comprises a clamping base and a connecting plate. L-shaped limiting tables are arranged on the two sides of the lower end face of the clamping base, lugs are arranged on the two sides of the upper end face of the clamping base, the connecting plate is of an L-shaped structure, the connecting rod is fixed to the lugs of the clamping base, and the L-shaped limiting tables on the two sides of the clamping base are matched with the L-shaped structure of the connecting plate to fix a left sliding rail and a right sliding rail of an aircraft seat respectively. The device designed by the utility model is fixed through the clamping base and the connecting plate, so that the operation is labor-saving, and other auxiliary tools are not needed. By means of the device, positioning of the aircraft seat sliding rail can be achieved, whether the distance size and the parallelism of the installed sliding rail meet the requirements or not can be checked out, points which do not meet the requirements and the deviation degree can be accurately found out, effective adjustment is conducted, and the rework workload is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of aviation assembly, and particularly relates to a clamping device for positioning and installing an aircraft seat slide rail. Background Art

[0002] During aircraft assembly, an operator seat on the aircraft needs to be installed. The operator seat is installed on two slide rails and slides back and forth on the two slide rails. During the sliding process of the seat on the two slide rails, if the relative distance dimension deviation between the two slide rails or the parallelism deviation between the two slide rails is large, it will cause the seat to get stuck when sliding on the two slide rails, affecting the subsequent assembly work or causing complaints from users. The slide rails are connected to the airframe structure through fasteners, and the seat installation is carried out after the slide rails are connected to the airframe. When the seat gets stuck when sliding on the slide rails, a large amount of unnecessary rework workload will be generated, and it is very difficult to achieve the best result finally.

[0003] At the current stage, when positioning and installing two slide rails on the airframe skeleton, first position one of the two slide rails, and determine the distance between the two slide rails by manual measurement and drawing for the other slide rail. A tightening device is used to tighten and fix the two slide rails in the inner groove of the slide rails. The manual drawing measurement has a large error and it is difficult to meet the requirements of the opening distance dimension and parallelism of the two slide rails. The tightening device controls the dimension by rotating a threaded rod, and the fixing reliability of the slide rails is poor. When making the connecting bolt holes between the slide rails to be manufactured and the floor skeleton, it is easy to cause the relative dimension of the two slide rails to shift. The above methods are difficult to operate, time-consuming, have a large positioning error, and it is difficult to ensure the installation and use requirements of the aircraft seat slide rails. Summary of the Utility Model

[0004] 1. Technical Problem to be Solved

[0005] The utility model overcomes the deficiencies in the prior art, and is designed to provide an aircraft seat slide rail positioning and clamping device for the problems existing in the above prior art. The purpose is to use such a device to solve the problems of large errors in the opening distance dimension and parallelism of the aircraft seat slide rail installation, and low fixing reliability of the slide rails, improve production efficiency, stabilize product quality, and reduce the labor intensity of operators.

[0006] 2. Technical Solution

[0007] The technical solution of the utility model is as follows:

[0008] An aircraft seat slide rail positioning and clamping device, the device includes a clamping base and a connecting plate; L-shaped limiting platforms are arranged on both sides of the lower end surface of the clamping base, and ear plates are arranged on both sides of the upper end surface. The connecting plate is of an L-shaped structure and is fixed on the ear plates of the clamping base. The L-shaped limiting platforms on both sides of the clamping base are matched with the L-shaped structure of the connecting plate to respectively fix the left and right slide rails of the aircraft seat.

[0009] Furthermore, a rubber pad is arranged on the L-shaped structure of the connecting plate.

[0010] Furthermore, the middle part of the clamping base is a flat plate structure.

[0011] Furthermore, weight-reducing holes are provided at the center and around the clamping base.

[0012] Furthermore, the clamping base and the connecting plate are fixed by cooperation of bolts and knurled nuts.

[0013] Furthermore, the width of the clamping base is the same as the distance between the two sections of sliding rails to be fixed.

[0014] 3. Beneficial technical effects

[0015] The utility model provides an aircraft seat slide rail positioning and clamping device. The clamping base 1 is processed numerically controlled, which can accurately control the installation opening distance dimension and parallelism of two seat slide rails. The slide rails and the clamping base are clamped and fixed by using the connecting plate 2 with a rubber plate 3 adhered thereto, bolts 4 and knurled nuts 5. Its dimension positioning is accurate and the clamping is firm. The clamping base 1 has strong rigidity and is not easy to deform, and the weight is reduced by opening holes and notches, which is convenient for the operator to construct. The fixing operation of the clamping base 1 and the connecting plate 2 is labor-saving and does not require other auxiliary tools. Through this device, it can be checked whether the opening distance dimension and parallelism of the installed slide rails meet the requirements, and the points that do not meet the requirements and the deviation degree can be accurately found for effective adjustment, reducing the rework workload. Brief description of the drawings

[0016] The utility model includes 3 drawings, and the drawings and the description thereof are as follows:

[0017] Figure 1 It is a schematic diagram of the aircraft seat slide rail positioning and clamping device;

[0018] Figure 2 It is an external view of the clamping base;

[0019] Figure 3 It is an external view of the connecting plate;

[0020] Among them: 1. Clamping base, 2. Connecting plate, 3. Rubber pad, 4. Bolt, 5. Knurled nut. Specific implementation manners

[0021] The following will describe in detail the specific design structure of the utility model in conjunction with the drawings of the specification, as Figure 1As shown in the figure, a positioning and clamping device for an aircraft seat slide rail is provided, which mainly includes 1 clamping base 1, 4 connecting plates 2, 4 rubber pads 3, 8 bolts 4, and 8 knurled nuts 5; the clamping base 1 is processed from 6061 - 651 material, with a main body thickness of 30 mm. After processing, the thickness meets high strength and rigidity. There is a 58 mm × 85 mm opening in the middle part, and two 224 mm × 70 mm notches and two 125 mm × 80 mm notches are opened on both sides, which are used to reduce the weight of the clamping base. There are slide rail positioning lugs on the clamping base 1. The clamping base 1 is processed by numerical control with high machining accuracy, and can accurately control the distance dimension and parallelism between the two slide rails.

[0022] The connecting plate 2 is used to clamp and fix the two slide rails to the clamping base, so that the slide rails are closely attached to the clamping base 1.

[0023] The rubber pad 3 is made of 1150 aviation rubber sheet with a thickness of 2 mm, and is bonded to the connecting plate 2. The specific position is the contact surface with the slide rail when clamping the slide rail, which can prevent damage to the product during the clamping process.

[0024] The bolt 4 and the knurled nut 5 are used to fix the clamping base 1 and the connecting plate 2 together. The outer diameter of the knurled nut is Φ30, which is labor - saving in operation and can be manually operated without the need for other tools such as a wrench.

[0025] The utility model can also be used to detect the opening distance dimension and parallelism of the installed slide rails. That is, the positioning lugs on the clamping base 1 are stuck in the inner grooves of the two seat slide rails, and the clamping base is pushed to slide on the slide rails for detection. If there is a jamming phenomenon or the clamping base 1 cannot be inserted, it means that the opening distance dimension of the two slide rails is less than the minimum dimension requirement. If the gap between the positioning lug of the clamping base and the slide rail is too large during the sliding process, it means that the opening distance dimension of the two slide rails is greater than the maximum dimension requirement. If one end jams during the sliding process and the other end slides smoothly, it means that the parallelism of the two slide rails does not meet the installation requirements.

[0026] The utility model is a positioning and clamping device used for installing the seat slide rail on the airframe skeleton. When positioning the two slide rails, the clamping base of the device is stuck in the outer grooves of the two slide rails, the rubber pad 3 is pasted on the connecting plate 2 and stuck in the inner grooves of the two slide rails. The clamping base 1 and the connecting plate 2 are fixed by tightening the bolts 4 and the knurled nuts, so as to fix the two slide rails and ensure the opening distance dimension and parallelism of the two slide rails.

[0027] The operation process of positioning and clamping the slide rail is as follows:

[0028] 1. Clamp one of the slide rails on the positioning lug on one side of the clamping base 1;

[0029] 2. Use four bolts 4 and four knurled nuts 5 to connect the two connecting plates 2 with rubber pads 3 to the clamping base 1, tighten the knurled nuts 5, and clamp and fix one slide rail to the clamping base 1;

[0030] 3. Clamp the other slide rail onto the positioning lug on the other side of the clamping base 1, and adjust the front and rear positions of the slide rails so that the ends of the two slide rails are flush;

[0031] 4. Use four bolts 4 and four knurled nuts 5 to connect the two connecting plates 2 with rubber pads 3 to the clamping base 1, tighten the knurled nuts 5, and clamp the other slide rail to the clamping base 1.

[0032] 5. Place the seat slide rail positioning clamping device and the two slide rails as a whole on the body structure, make the fastener holes connecting the slide rails to the body joints and connect them.

[0033] The slide rail inspection process after installation is as follows:

[0034] At any identical end of the two slide rails, clamp the positioning lug on the clamping base 1 into the inner groove of the two seat slide rails, push the clamping base 1 to slide on the slide rails. If it gets stuck or the clamping base 1 cannot be inserted, it means that the installation distance between the two slide rails is smaller than the minimum size requirement. If the gap between the clamping base positioning lug and the slide rail is too large during the sliding process, it means that the installation distance between the two slide rails is larger than the maximum size requirement. If one end of the slide gets stuck while the other end does not get stuck during the sliding process, it means that the parallelism of the two slide rails does not meet the installation requirements.

[0035] The utility model is very convenient to use and simple to operate, and is easy for users to master without the aid of other wrench auxiliary tools, thus avoiding the problem of inaccurate size control in the original positioning process, improving production efficiency and reducing the labor intensity of operators.

[0036] Finally, it should be noted that the above implementation methods or implementation cases are only used to illustrate the technical solution of the utility model, and any incomplete details are regarded as conventional technical means or common knowledge in the field; it should be understood that the protection scope of the utility model is not limited to the above specific implementation forms, and any technician familiar with the field can easily think of various equivalent modifications or substitutions within the technical scope disclosed in the utility model, and these modifications or substitutions should be covered within the protection scope of the utility model.

Claims

1. An aircraft seat slide rail positioning and clamping device, characterized in that The device includes a clamping base and a connecting plate; on both sides of the lower end surface of the clamping base, there are L-shaped limiting platforms, and on both sides of the upper end surface, there are lugs. The connecting plate is of an L-shaped structure and is fixed on the lugs of the clamping base. The L-shaped limiting platforms on both sides of the clamping base are matched with the L-shaped structure of the connecting plate to respectively fix the left and right slide rails of the aircraft seat.

2. The aircraft seat slide rail positioning and clamping device according to claim 1, characterized in that, There are rubber pads arranged on the L-shaped structure of the connecting plate.

3. The aircraft seat slide rail positioning and clamping device according to claim 1, characterized in that, The middle part of the clamping base is of a flat plate structure.

4. The aircraft seat slide rail positioning and clamping device according to claim 3, characterized in that, The clamping base and the connecting plate are fixed by the cooperation of bolts and knurled nuts.

5. The aircraft seat slide rail positioning and clamping device according to claim 4, characterized in that Weight reduction holes are provided at the center and around the clamping base.

6. The aircraft seat slide rail positioning and clamping device according to claim 5, wherein, The width of the clamping base is the same as the distance between the two slide rails to be fixed.

Images