Lifting, clamping and positioning device for controlling the spacing between vertical wall panels and method of use

Abstract

The present invention provides a lifting, clamping and positioning device for controlling the spacing between vertical wall panels and a method of use, which belongs to the field of assembly process equipment. In the present invention, a telescopic positioner with a sliding telescopic positioning shaft cooperates with a sliding sleeve to position the vertical wall panel, and a vertical drive mechanism realizes vertical sliding and locking at any position through manual drive control. The telescopic positioner and the vertical drive mechanism are fixedly connected by a V-shaped characteristic connector and a precision hinge pin, and finally the product assembly requirements are met. The present invention has high precision, good rigidity, good strength, and has a lifting and locking function. After the product assembly is completed, the positioner can be manually driven to slide down to a non-working position away from the product. The present invention can meet the differentiated product spacing positioning by adjusting the reference plane distance and the optional gasket specifications, especially suitable for the positioning of semi-enclosed structural parts of aircraft, which makes up for the shortcomings of the traditional process equipment positioning method.

Description

Technical Field

[0001] The present invention belongs to the field of assembly process equipment, and relates to a lifting, clamping and positioning device for controlling the spacing between vertical wall panels and a method of use, and specifically relates to a lifting, clamping and positioning device for controlling the spacing between vertical wall panels, and is also suitable for positioning wall panels on both sides in semi-enclosed and three-sided enclosed situations, or in fields with lifting and positioning requirements. Background Art

[0002] In the assembly of large aircraft parts, there are a large number of semi-enclosed vertical wall panels that need to be positioned and installed, especially some large vertical wall panel structures that serve as the assembly reference for large aircraft parts. Their positioning accuracy directly affects the assembly quality of large aircraft parts. When positioning such vertical wall panels, in addition to the strict requirements on the accuracy, strength and rigidity of the positioner, in order to adapt to the semi-enclosed structure formed by the vertical wall panels and their connecting components, the positioning device must have a lifting function to ensure that the vertical wall panel products are smoothly removed from the shelf after the assembly and connection are completed. In order to meet the assembly needs of large aircraft parts and ensure the assembly quality of products, the present invention is proposed. Summary of the invention

[0003] In order to achieve the above-mentioned purpose, the present invention proposes a lifting, clamping and positioning device and a method of use for controlling the spacing between vertical wall panels, so as to realize the spacing control and clamping of aircraft vertical wall panel products and meet the product assembly requirements. The present invention has high precision, good rigidity, good strength, and has a lifting and locking function. After the product assembly is completed, the positioner can be manually driven to slide down to a non-working position away from the product. The present invention can meet the differentiated product spacing positioning by adjusting the reference plane distance and the optional gasket specifications, and is especially suitable for the positioning of aircraft semi-enclosed structural parts, making up for the shortcomings of the traditional process equipment positioning method.

[0004] The technical solution adopted by the present invention is:

[0005] A lifting, clamping and positioning device for controlling the spacing between vertical wall panels, the device comprising a telescopic positioner, a vertical drive mechanism, a connector 8, a positioning seat 16, a limit pin 17, an angle seat 18 and a buffer 19. The telescopic positioner is a sleeve-type positioner with a sliding telescopic positioning shaft, which positions the vertical wall panel through the cooperation of a sliding sleeve; the vertical drive mechanism is composed of a linear bearing pair, a ball screw pair, a screw connecting seat, a connecting plate, and a handle, and the drive mechanism can be manually driven and controlled to achieve vertical sliding and lock at any position; the telescopic positioner and the vertical drive mechanism are fixedly connected by a V-shaped characteristic connector and a precision hinge pin, ultimately achieving product assembly requirements.

[0006] The telescopic positioner comprises a positioning sleeve 1, a precision hinge pin 2, a ball handle 3, a positioning pin 4, an adjustment gasket 5, a sliding positioning shaft 6 and a compression nut 7. According to the product assembly spacing requirements, the positioning sleeve 1 is a hollow round tube with bosses at both ends, and the end faces of the bosses on both sides are positioning reference surfaces. The positioning sleeve 1 and the connecting piece 8 are equipped with tolerance matching holes, and the two are fixedly connected by a precision hinge pin 2; the sliding positioning shaft 6 is a hollow round tube structure with a threaded inner hole, and there are two of them, which are respectively matched with the inner cavities on both sides of the positioning sleeve 1 to form a telescopic structure through tolerance matching. The two sliding positioning shafts 6 respectively penetrate the vertical wall panel positioning holes on both sides for positioning the vertical wall panels. The positioning sleeve 1 and the side walls of the sliding positioning shaft 6 are made with holes for determining the telescopic theoretical position of the telescopic structure through the positioning pin 4; an oblong guide hole is provided on the positioning sleeve 1, and the ball head handle 3 passes through the oblong guide hole and is connected to the sliding positioning shaft 6 in the form of a thread, which is used for manual operation and has a guiding function; the adjusting gasket 5 fits with the end faces of the bosses on both sides of the positioning sleeve 1, and the vertical wall panel is finely adjusted along the axial direction by adjusting its different thickness specifications; the clamping nut 7 applies a clamping clamping force to the vertical wall panel by matching with the inner hole thread of the sliding positioning shaft 6.

[0007] V-shaped structural parts are respectively arranged at both ends of the bottom surface of the connecting member 8 to support the positioning sleeve 1. According to the principle of geometric tangency, the axis of the positioning sleeve 1 is ensured to remain stable. The connecting member 8 fixes the series telescopic positioner and the vertical drive mechanism in the form of tolerance matching through two groups of refined holes processed on the bottom surface. One group of refined holes is fixedly connected to the positioning sleeve 1 through a precision hinge pin 2, and the other group of refined holes is used to be fixedly connected to the upper end of the linear bearing pair 9.

[0008] The vertical drive mechanism includes a linear bearing pair 9, a ball screw pair 10, a connecting base plate 11, a screw connection seat 12, a handle 13, a guide rail positioning pin 14 and a connecting plate 15. The connecting base plate 11 is used as a mounting carrier of the drive mechanism, and a step boss is provided on one side of the connecting base plate 11. The side of the boss serves as a guide structure installation reference. A number of threaded mounting holes are formed on the connecting base plate 11. The linear bearing pair 9 is a guide structure with a locking function. There are two sets of linear bearing pairs, one of which is installed on the connecting base plate 11 by bolts, and its side is pressed to the step reference surface of the connecting base plate 11 by the guide rail positioning pin 14 with an eccentric step feature. The other set is arranged in parallel with the previous set and fixedly installed on the connecting base plate 11. The two sets of linear bearing pairs 9 are the guide and locking function carriers of the vertical drive mechanism, and their upper ends are fixedly connected to the connecting member 8 respectively. The screw The connecting seat 12 is fixedly connected to the connecting base plate 11, and is located between the two sets of linear bearing pairs 9; the ball screw pair 10 passes through the screw connecting seat 12, and its movable nut is fixedly connected to the connecting base plate 11 through the screw connecting seat 12; the lower end of the linear bearing pair 9 and the lower end of the ball screw pair 10 are connected to form an integral structure through a connecting plate 15, wherein the linear bearing pair 9 is fixedly connected to the connecting plate 15, the lower end of the ball screw pair 10 passes through the connecting plate 15 and is rotatably connected thereto, and the lower end of the ball screw pair 10 is connected to the handle 13. When the handle 13 is manually rotated, the telescopic positioner is driven by the rotation of the ball screw pair 10 to realize lifting and sliding.

[0009] The positioning seat 16 is installed on the connecting plate 15 through a precision hinge pin. According to the theoretical position of the telescopic positioner rising, positioning holes are provided on the positioning seat 16 and the connecting base plate 11, and the limit pins 17 are inserted to ensure the precise limit positioning of the device; the angle seat 18 is connected to the upper end of the connecting base plate 11 by bolts, and the buffer 19 is assembled and connected to the mounting hole of the angle seat 18, so that the buffer end of the buffer 19 is located between the connecting base plate 11 and the connecting piece 8, which is used for the descent limit and buffering of the telescopic positioner.

[0010] A method for using a lifting, clamping and positioning device for controlling the spacing between vertical wall panels comprises the following steps:

[0011] The initial state of the device is a non-operating state in which the telescopic positioner is lowered to the bottom position.

[0012] Step 1, turn on the locking switch of the linear bearing pair 9, manually rotate the handle 13 to drive the telescopic positioner to rise to the theoretical position, insert the limit pin 17, lock the locking switch of the linear bearing pair 9, and keep the device in a stable locked state.

[0013] Step 2, operate the ball handle 3 to slide the sliding positioning shaft 6 out of the positioning sleeve 1 to both sides, pass through the vertical wall plate positioning hole, and insert the positioning pin 4 to determine the theoretical telescopic position of the positioner.

[0014] Step 3, according to the actual assembly requirements, select the adjustment gasket 5 as needed, insert it into the gap between the vertical wall panel and the positioning reference surface of the positioning sleeve 1, screw the clamping nut 7 into the outer side of the vertical wall panel, and apply a clamping force to the product. At this point, the positioning, adjustment and clamping of the vertical wall panel are completed, and the aircraft product assembly work is realized.

[0015] Step 4, after the assembly is completed, pull out the positioning pin 4 and the limit pin 17, remove the clamping nut 7 and the adjustment gasket 5, retract the sliding positioning shaft 6 to the inner cavity of the positioning sleeve 1, and reversely rotate the handle 13 to drive the telescopic positioner to descend to the non-working position. After the telescopic positioner is completely out of the product space, the product can be removed from the shelf.

[0016] Beneficial effects of the present invention:

[0017] The device provided by the present invention has been successfully used to assemble vertical wall panels, and has achieved good application results in the assembly of different structures of large aircraft components. The device provided by the present invention has the characteristics of flexible operation, accurate positioning, sufficient rigidity, good strength, high reset accuracy, etc., which well meets the product assembly requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure.

[0019] Figure 2 Schematic diagram of the telescopic positioner.

[0020] Figure 3 Schematic diagram of the vertical drive mechanism.

[0021] Figure 4 A schematic side view of the connector.

[0022] In the figure: 1 positioning sleeve; 2 precision hinge pin; 3 ball head handle; 4 positioning pin; 5 adjustment gasket; 6 sliding positioning shaft; 7 tightening nut; 8 connecting piece; 9 linear bearing pair; 10 ball screw pair; 11 connecting base plate; 12 screw connecting seat; 13 handle; 14 guide rail positioning pin; 15 connecting plate; 16 positioning seat; 17 limit pin; 18 angle seat; 19 buffer. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with specific embodiments.

[0024] Example

[0025] A lifting, clamping and positioning device for controlling the spacing of vertical wall panels, the device comprises a telescopic positioner, a vertical driving mechanism, a connecting piece 8, a positioning seat 16, a limit pin 17, a corner seat 18 and a buffer 19, such as Figure 1 shown.

[0026] like Figure 2 As shown, the telescopic positioner includes a positioning sleeve 1, a precision hinge pin 2, a ball handle 3, a positioning pin 4, an adjustment gasket 5, a sliding positioning shaft 6 and a clamping nut 7. According to the product assembly spacing requirements, the positioning sleeve 1 is a hollow round tube with bosses at both ends, and the end faces of the bosses on both sides are positioning reference surfaces. The positioning sleeve 1 and the connecting piece 8 are equipped with tolerance matching holes, and the two are fixedly connected by a precision hinge pin 2; the sliding positioning shaft 6 is a hollow round tube structure with a threaded inner hole, and there are two of them, which are respectively matched with the inner cavities on both sides of the positioning sleeve 1 to form a telescopic structure through tolerance matching. The two sliding positioning shafts 6 respectively penetrate the vertical wall panel positioning holes on both sides for positioning the vertical wall panels. The positioning sleeve 1 and the side walls of the sliding positioning shaft 6 are made with holes for determining the telescopic theoretical position of the telescopic structure through the positioning pin 4; an oblong guide hole is provided on the positioning sleeve 1, and the ball head handle 3 is connected to the sliding positioning shaft 6 in the form of a thread through the oblong guide hole, which is convenient for manual operation and has a guiding function; the adjusting gasket 5 fits with the end faces of the bosses on both sides of the positioning sleeve 1, and the vertical wall panel is finely adjusted along the axial direction by adjusting its different thickness specifications; the clamping nut 7 applies a clamping clamping force to the vertical wall panel by matching with the inner hole thread of the sliding positioning shaft 6.

[0027] like Figure 4 As shown, V-shaped structural parts are provided at both ends of the bottom surface of the connecting member 8 to support the positioning sleeve 1. According to the principle of geometric tangency, the axis of the positioning sleeve 1 is ensured to remain stable. The connecting member 8 fixes the series telescopic positioner and the vertical drive mechanism in the form of tolerance matching through two groups of refined holes processed on the bottom surface. One group of refined holes is fixedly connected to the positioning sleeve 1 through a precision hinge pin 2, and the other group of refined holes is used to be fixedly connected to the upper end of the linear bearing pair 9.

[0028] like Figure 3As shown, the vertical drive mechanism includes a linear bearing pair 9, a ball screw pair 10, a connecting base plate 11, a screw connection seat 12, a handle 13, a guide rail positioning pin 14 and a connecting plate 15. The connecting base plate 11 is used as a mounting carrier of the drive mechanism, and a step boss is provided on one side of the connecting base plate. The side of the boss serves as a guide structure installation reference, and a plurality of threaded mounting holes are formed on the connecting base plate 11; the linear bearing pair 9 is a guide structure with a locking function, and there are two sets of the linear bearing pair 9, one of which is installed on the connecting base plate 11 by bolts, and its side is pressed to the step reference surface of the connecting base plate 11 by the guide rail positioning pin 14 with an eccentric step feature, and the other set is arranged in parallel with the previous set and fixedly installed on the connecting base plate 11. The two sets of linear bearing pairs 9 are the guide and locking function carriers of the vertical drive mechanism, and their upper ends are fixedly connected to the connecting member 8 respectively; the screw The connecting seat 12 is fixedly connected to the connecting base plate 11, and is located between the two sets of linear bearing pairs 9; the ball screw pair 10 passes through the screw connecting seat 12, and its movable nut is fixedly connected to the connecting base plate 11 through the screw connecting seat 12; the lower end of the linear bearing pair 9 and the lower end of the ball screw pair 10 are connected to form an integral structure through a connecting plate 15, wherein the linear bearing pair 9 is fixedly connected to the connecting plate 15, the lower end of the ball screw pair 10 passes through the connecting plate 15 and is rotatably connected thereto, and the lower end of the ball screw pair 10 is connected to the handle 13. When the handle 13 is manually rotated, the telescopic positioner is driven by the rotation of the ball screw pair 10 to realize lifting and sliding.

[0029] The positioning seat 16 is installed on the connecting plate 15 through a precision hinge pin. According to the theoretical position of the telescopic positioner rising, positioning holes are provided on the positioning seat 16 and the connecting base plate 11, and the limit pins 17 are inserted to ensure the precise limit positioning of the device; the angle seat 18 is connected to the upper end of the connecting base plate 11 by bolts, and the buffer 19 is assembled and connected to the mounting hole of the angle seat 18, so that the buffer end of the buffer 19 is located between the connecting base plate 11 and the connecting piece 8, which is used for the descent limit and buffering of the telescopic positioner.

[0030] A method for using a lifting, clamping and positioning device for controlling the spacing between vertical wall panels comprises the following steps:

[0031] The initial state of the device is a non-operating state in which the telescopic positioner is lowered to the bottom position.

[0032] Step 1, turn on the locking switch of the linear bearing pair 9, manually rotate the handle 13 to drive the telescopic positioner to rise to the theoretical position, insert the limit pin 17, lock the locking switch of the linear bearing pair 9, and keep the device in a stable locked state.

[0033] Step 2, operate the ball handle 3 to slide the sliding positioning shaft 6 out of the positioning sleeve 1 to both sides, pass through the vertical wall plate positioning hole, and insert the positioning pin 4 to determine the theoretical telescopic position of the positioner.

[0034] Step 3, according to the actual assembly requirements, select the adjustment gasket 5 as needed, insert it into the gap between the vertical wall panel and the positioning reference surface of the positioning sleeve 1, screw the clamping nut 7 into the outer side of the vertical wall panel, and apply a clamping force to the product. At this point, the positioning, adjustment and clamping of the vertical wall panel are completed, and the aircraft product assembly work is realized.

[0035] Step 4, after the assembly is completed, pull out the positioning pin 4 and the limit pin 17, remove the clamping nut 7 and the adjustment gasket 5, retract the sliding positioning shaft 6 to the inner cavity of the positioning sleeve 1, and reversely rotate the handle 13 to drive the telescopic positioner to descend to the non-working position. After the telescopic positioner is completely out of the product space, the product can be removed from the shelf.

[0036] The above-described embodiments merely express the implementation methods of the present invention, but they cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A lifting, clamping and positioning device for controlling the spacing between vertical wall panels, characterized in that: The device comprises a telescopic positioner, a vertical drive mechanism, a connecting piece (8), a positioning seat (16), a limit latch (17), a corner seat (18) and a buffer (19); The telescopic positioner comprises a positioning sleeve (1), a ball handle (3), a positioning pin (4), an adjustment gasket (5), a sliding positioning shaft (6) and a compression nut (7); according to the product assembly spacing requirements, the positioning sleeve (1) is in the form of a hollow round tube with bosses at both ends, the end faces of the bosses on both sides are positioning reference surfaces, and the positioning sleeve (1) and the connecting piece (8) are provided with tolerance matching holes for fixing the two; the sliding positioning shaft (6) is a hollow round tube structure with a threaded inner hole, and there are two of them, which are respectively matched with the inner cavities on both sides of the positioning sleeve (1) through tolerance matching to form a telescopic structure, and the two sliding positioning shafts (6) respectively penetrate the vertical walls on both sides. The plate positioning hole is used to position the vertical wall plate. The side walls of the positioning sleeve (1) and the sliding positioning shaft (6) are provided with holes for determining the telescopic theoretical position of the telescopic structure through the positioning pin (4). The positioning sleeve (1) is provided with an oblong guide hole. The ball head handle (3) passes through the oblong guide hole and is connected to the sliding positioning shaft (6). It is used for manual operation and has a guiding function. The adjustment gasket (5) is fitted with the end faces of the bosses on both sides of the positioning sleeve (1). By adjusting the different thickness specifications, the vertical wall plate can be fine-tuned along the axial direction. The clamping nut (7) exerts a clamping force on the vertical wall plate by cooperating with the inner hole thread of the sliding positioning shaft (6). The two ends of the bottom surface of the connecting member (8) are respectively provided with V-shaped structural members to support the positioning sleeve (1), and the axis of the positioning sleeve (1) is ensured to remain stable according to the principle of geometric tangency. The connecting member (8) is fixed to the series telescopic positioner and the vertical drive mechanism in the form of tolerance matching through two groups of refined holes processed on the bottom surface, one group of refined holes is used for fixed connection with the positioning sleeve (1), and the other group of refined holes is used for fixed connection with the upper end of the linear bearing pair (9); The vertical drive mechanism comprises a linear bearing pair (9), a ball screw pair (10), a connecting base plate (11), a screw connecting seat (12), a handle (13), a guide rail positioning pin (14) and a connecting plate (15); the connecting base plate (11) serves as a mounting carrier of the drive mechanism, and a step boss is provided on one side of the connecting base plate. The side surface of the boss serves as a guide structure mounting reference, and a plurality of threaded mounting holes are formed on the connecting base plate (11); the linear bearing pair (9) is a guide structure with a locking function, and a total of two sets are provided, one set of which is fixedly mounted on the connecting base plate (11), and its side is pressed to the step reference surface of the connecting base plate (11) by the guide rail positioning pin (14), and the other set is arranged parallel to the previous set and fixedly mounted on the connecting base plate (11). The two sets of linear bearing pairs (9) are guide and locking function carriers of the vertical drive mechanism. , and their upper ends are respectively fixedly connected to the connecting members (8); the screw connection seat (12) is fixedly connected to the connecting base plate (11), and is located between the two sets of linear bearing pairs (9); the ball screw pair (10) passes through the screw connection seat (12), and its movable nut is fixedly connected to the connecting base plate (11) through the screw connection seat (12); the lower end of the linear bearing pair (9) and the lower end of the ball screw pair (10) are connected to form an integral structure through a connecting plate (15), wherein the linear bearing pair (9) is fixedly connected to the connecting plate (15), the lower end of the ball screw pair (10) passes through the connecting plate (15) and is rotatably connected thereto, and the lower end of the ball screw pair (10) is connected to a handle (13), and when the handle (13) is manually rotated, the telescopic positioner is driven by the rotation of the ball screw pair (10) to achieve lifting and sliding; The positioning seat (16) is fixedly mounted on the connecting plate (15). According to the theoretical position of the telescopic positioner being raised, positioning holes are provided on the positioning seat (16) and the connecting base plate (11), and a limiting pin (17) is inserted therein to ensure accurate limiting positioning of the device. The angle seat (18) is fixedly connected to the upper end of the connecting base plate (11), and the buffer (19) is assembled and connected to the mounting hole of the angle seat (18), so that the buffer end of the buffer (19) is located between the connecting base plate (11) and the connecting piece (8), and is used for limiting and buffering the descent of the telescopic positioner.

2. A lifting, clamping and positioning device for controlling the spacing between vertical wall panels according to claim 1, characterized in that: The positioning sleeve (1) and the connecting piece (8) are provided with tolerance matching holes, and the two are fixedly connected via a precision hinge pin (2).

3. The lifting, clamping and positioning device for controlling the spacing between vertical wall panels according to claim 1, characterized in that: The guide rail positioning pin (14) has an eccentric step feature.

4. A method for using a lifting, clamping and positioning device for controlling the spacing between vertical wall panels as described in any one of claims 1 to 3, characterized in that: The method of use comprises the following steps: The initial state of the device is a non-working state in which the telescopic positioner is lowered to the bottom position; Step 1, turn on the locking switch of the linear bearing pair (9), manually rotate the handle (13) to drive the telescopic positioner to rise to the theoretical position, insert the limit pin (17), lock the locking switch of the linear bearing pair (9), and keep the device in a stable locked state; Step 2, operate the ball handle (3) to slide the sliding positioning shaft (6) out of the positioning sleeve (1) to both sides, pass through the vertical wall plate positioning hole, and insert the positioning pin (4) to determine the theoretical telescopic position of the positioner; Step 3, according to the actual assembly requirements, select and adjust the gasket (5) as needed, insert it into the gap between the vertical wall plate and the positioning sleeve (1) positioning reference surface, screw the clamping nut (7) into the outer side of the vertical wall plate, and apply a clamping force to the product. At this point, the positioning, adjustment and clamping of the vertical wall plate are completed, and the aircraft product assembly work is completed; Step 4, after the assembly is completed, pull out the positioning pin (4) and the limit pin (17), remove the clamping nut (7) and the adjustment gasket (5), retract the sliding positioning shaft (6) into the inner cavity of the positioning sleeve (1), and rotate the handle (13) in the reverse direction to drive the telescopic positioner to descend to the non-working position. After the telescopic positioner is completely out of the product space, the product can be removed from the shelf.

Images