Search

CN-122009512-A - Jacking device

CN122009512ACN 122009512 ACN122009512 ACN 122009512ACN-122009512-A

Abstract

The invention belongs to the technical field of aircraft manufacturing, and discloses a jacking device. The jacking device comprises a plurality of supports, a plurality of support assemblies and a flexible assembly. The support is provided with a compression surface, the compression surface can be attached to the outer convex surface of the product to be propped, the supports are uniformly arranged at intervals along the arc length direction of the product to be propped, the support assemblies are in one-to-one correspondence with the supports, one end of each support assembly is connected with one end of each support, which is away from the compression surface, the distance between the other end of each support assembly and the support is adjustable, the flexible assemblies comprise flexible ropes, the flexible ropes extend along the arc length direction of the product to be propped, and the flexible ropes are sequentially propped against the support assemblies. When the flexible rope is in operation, the flexible rope is tightened, the other end of the supporting component moves in the direction away from the pressing surface to lift the flexible rope, and the reaction force of the flexible rope enables the pressing surface to press the product to be lifted. The jacking device is suitable for wallboard waiting jacking products with different curvatures and thicknesses, has strong universality, and has adjustable and adjustable pressing force and good jacking effect.

Inventors

  • XIE LINJIAN
  • JIANG FENGFENG
  • ZHANG JIAXIN

Assignees

  • 上海飞机制造有限公司

Dates

Publication Date
20260512
Application Date
20260324

Claims (10)

  1. 1. A jacking device, comprising: The support (100) is provided with a compression surface, the compression surface can be attached to the outer convex surface of the product to be jacked, and the support (100) is uniformly arranged at intervals along the arc length direction of the product to be jacked; The support assemblies (200) are in one-to-one correspondence with the supports (100), one end of each support assembly (200) is connected with one end of each support (100) deviating from the compression surface, and the distance between the other end of each support assembly (200) and the support (100) is adjustable in height; The flexible assembly (300), the flexible assembly (300) comprises a flexible rope (310), the flexible rope (310) extends along the arc length direction of the product to be topped, and the flexible rope (310) is sequentially pressed against a plurality of the supporting assemblies (200); When the flexible rope (310) is in operation, the other end of the supporting component (200) moves in a direction away from the pressing surface to lift the flexible rope (310), and the reaction force of the flexible rope (310) enables the pressing surface to press the product to be lifted.
  2. 2. The jacking device according to claim 1, wherein the supporting assembly (200) comprises a scissor bracket, a guide rod (220) and two guide blocks (230), the scissor bracket comprises two groups of scissor structures (210), the two groups of scissor structures (210) are oppositely arranged along a first direction, each group of scissor structures (210) consists of two cross hinged lifting rods (211), one end of each lifting rod (211) is hinged to the support (100), the two guide blocks (230) are located between the two groups of scissor structures (210) and are arranged on the guide rods (220) at intervals along a second direction, the other end of each lifting rod (211) is hinged to the corresponding guide block (230), and the flexible rope (310) spans and is pressed against the guide rod (220), and the first direction is perpendicular to the second direction.
  3. 3. The tightening device according to claim 2, wherein the support assembly (200) further comprises a driving rod (240), the driving rod (240) being provided with a first thread and a second thread at intervals along the second direction, the first thread being opposite to the second thread in rotation, and the two guide blocks (230) being rotatably connected to the driving rod (240) by means of the first thread and the second thread, respectively.
  4. 4. A tightening device according to claim 3, wherein the driving rod (240) further comprises a driving handle (241) and a first connecting body (242), the driving handle (241) is located at an end of the driving rod (240), and the first connecting body (242) is sleeved on the driving rod (240) and the guide rod (220) respectively and is located between the guide block (230) and the driving handle (241).
  5. 5. The jacking device according to claim 2, wherein the supporting assembly (200) further comprises four connecting rods (250), the four connecting rods (250) are connected end to end in sequence, two connecting rods (250) opposite along the first direction are fixed on the support (100), and two lifting rods (211) in the scissor structure (210) are respectively hinged to two connecting rods (250) opposite along the second direction.
  6. 6. The jacking device according to claim 5, wherein the supporting component (200) further comprises two reinforcing blocks (260), the two reinforcing blocks (260) are respectively rotatably arranged on two connecting rods (250) oppositely arranged along the second direction, and two ends of the reinforcing blocks (260) are respectively abutted against two lifting rods (211) in two groups of scissor structures (210).
  7. 7. The tightening device according to claim 5, wherein the support assembly (200) further comprises a second connection body (270), the connecting rod (250) being connected by the second connection body (270).
  8. 8. The jacking device according to claim 1, wherein the support (100) comprises a seat body (110) and a plurality of compaction blocks (120) connected in sequence, the support assembly (200) is fixed on the seat body (110), the compaction blocks (120) comprise a first layer and a second layer which are stacked, the first layer is made of an inelastic material and magnetically attracted to the seat body (110), the second layer is made of an elastic material, and the compaction surface is positioned on one side of the second layer away from the first layer.
  9. 9. The jacking device according to claim 1, further comprising a fixing component (400), wherein an adsorption disc (410) is arranged at one end of the fixing component (400), the adsorption disc (410) can be adsorbed on the outer convex surface of the product to be jacked, and the other end of the fixing component (400) is fixed at one end of the supporting component (200) facing the support (100).
  10. 10. The jacking device according to claim 1, wherein the flexible assembly (300) further comprises a limit button (320), the flexible rope (310) is threaded through a through slot of the limit button (320), and the limit button (320) is pressed against the support assembly (200); and/or scale marks are arranged on the flexible rope (310).

Description

Jacking device Technical Field The invention relates to the technical field of aircraft manufacturing, in particular to a jacking device. Background At present, in the aircraft manufacturing process, the inside of the composite wallboard is supported by an inner-shaped clamping plate, and meanwhile, the outside of the composite wallboard is pressed on the inner-shaped clamping plate by using an outer-shaped clamping plate and a pressing device, so that the shape of the composite wallboard is fixed. However, the existing strap-type compactor is more suitable for metal thin wall plates, and the thicker wall plates cannot be attached with inner-shaped clamping plates due to the force exerted by the strap-type compactor. Therefore, it is desirable to provide a tightening device to solve the above-mentioned problems. Disclosure of Invention The invention aims to provide a jacking device which is suitable for wallboard waiting for jacking products with different curvatures and thicknesses, has strong universality, and has adjustable and adjustable pressing force and good jacking effect. To achieve the purpose, the invention adopts the following technical scheme: A jacking device comprising: the supports are provided with compression surfaces, the compression surfaces can be attached to the outer convex surfaces of the products to be jacked, and the supports are uniformly arranged at intervals along the arc length direction of the products to be jacked; the support assemblies are in one-to-one correspondence with the supports, one end of each support assembly is connected with one end of each support, which is away from the compression surface, and the distance between the other end of each support assembly and the support is adjustable; the flexible assembly comprises flexible ropes which extend along the arc length direction of the product to be jacked, and the flexible ropes are sequentially pressed against the plurality of support assemblies; when the flexible rope is in operation, the flexible rope is tightened, the other end of the supporting component moves in the direction away from the pressing surface so as to lift the flexible rope, and the reaction force of the flexible rope enables the pressing surface to press the product to be lifted. As an alternative scheme of the jacking device, the supporting component comprises a scissor type support, a guide rod and two guide blocks, the scissor type support comprises two groups of scissor structures, the two groups of scissor structures are oppositely arranged along a first direction, each group of scissor structures consists of two lifting rods which are hinged in a crossed mode, one ends of the lifting rods are hinged to the support, the two guide blocks are located between the two groups of scissor structures and are arranged on the guide rods in a sliding mode at intervals along a second direction, the other ends of the lifting rods are hinged to the corresponding guide blocks, and the flexible ropes stretch across and press against the guide rods in a perpendicular mode in the first direction. As an alternative of the tightening device, the support assembly further comprises a driving rod, wherein first threads and second threads are arranged on the driving rod along the second direction at intervals, the first threads and the second threads are opposite in rotation direction, and the two guide blocks are respectively connected with the driving rod through the first threads and the second threads in a rotation mode. As an alternative scheme of the jacking device, the driving rod further comprises a driving handle and a first connecting body, wherein the driving handle is located at the end part of the driving rod, and the first connecting body is respectively sleeved on the driving rod and the guide rod and located between the guide block and the driving handle. As an alternative scheme of the jacking device, the supporting assembly further comprises four connecting rods, the four connecting rods are connected end to end in sequence, two opposite connecting rods along the first direction are fixed on the support, and two lifting rods in the scissor structure are respectively hinged to two opposite connecting rods along the second direction. As an alternative of the jacking device, the supporting assembly further comprises two reinforcing blocks, the two reinforcing blocks are respectively rotatably arranged on two connecting rods which are oppositely arranged along the second direction, and two ends of the reinforcing blocks are respectively abutted to two lifting rods in the two groups of scissor structures. As an alternative to the tightening device, the support assembly further comprises a second connector, through which the connecting rod is connected. As an alternative scheme of tight device in top, the support includes seat body and a plurality of compact heap that connects gradually, supporting component is fixed in the seat body, the compact heap