CN219819564U - Yaw damper centering spring rod dismounting assembly - Google Patents

Abstract

The utility model discloses a yaw damper centering spring rod dismounting assembly, wherein two clamping blocks are symmetrically arranged outside a safety nut, the outer surfaces of the clamping blocks are planes for clamping a vice, connecting parts are arranged on two sides of each clamping block, a guide rod is inserted between the opposite connecting parts of the two clamping blocks, a return spring in a compressed state is sleeved on the guide rod between the two clamping blocks, and a hexagonal through hole and a connecting hole are formed in a spanner head; compared with the prior art, the utility model has the beneficial effects that: placing the clamping blocks in jaw of a vice, rotating the rotary handle of the vice to enable two bodies of the vice to be in contact with the outer surfaces of the clamping blocks, then inserting a spring rod between the two clamping blocks from top to bottom, continuing to rotate the rotary handle of the vice to enable the folding surface in the clamping block to be attached to and clamped with two symmetrical plane areas on a shell at the lower part of the spring rod; and finally, sleeving the hexagonal through hole of the spanner head on the safety nut, and rotating the spanner head to install, fasten or remove the safety nut.

Description

Yaw damper centering spring rod dismounting assembly

Technical Field

The utility model relates to the technical field of aircraft component repair, in particular to a centering spring rod dismounting assembly of a yaw damper.

Background

The yaw damper centering spring rod is mounted on the rudder control assembly and functions to center the rudder servo controller.

When repairing yaw damper centering spring pole, at first will with its upper portion casing and lower part casing, when the separation, need dismantle at first and be used for connecting upper and lower part casing's safety nut and safety washer, because the diameter of safety nut is great (7.3 cm), and the moment of safety nut when the installation is great (100-120 Nm moment value), therefore, the installation and the dismantlement process to the safety nut are all very difficult, need use professional assembly and disassembly tools, and need many people's cooperation to accomplish, waste time and energy, still cause the damage of casing easily in the dismantlement process, influence repair quality, for this reason, we propose a yaw damper centering spring pole dismouting subassembly.

Disclosure of Invention

The utility model aims to provide a yaw damper centering spring rod dismounting assembly, which solves the problems in the background technology.

The utility model provides a yaw damper centering spring rod dismouting subassembly, includes spring beam upper portion casing, grip block and spanner head, spring beam upper portion casing lower extreme spiro union is in spring beam lower part casing, is located screw connection has insurance gasket and insurance nut on the spring beam upper portion casing of spring beam lower part casing top, insurance nut outer symmetry is provided with two grip blocks, the folding surface in the grip block closely laminates with two plane of symmetry areas of spring beam lower part casing surface, the grip block surface is the plane that is used for the vice centre gripping, the both sides of grip block are provided with connecting portion, two alternate between the connecting portion that the grip block is relative has the guide bar, two cover is equipped with the reset spring that is in compression state on the guide bar between the grip block, hexagonal through-hole and connecting hole have been seted up on the spanner head, the connecting hole is used for being connected with the spanner, hexagonal through-hole size is the same with insurance nut.

Preferably, the upper surface of the clamping block is provided with a supporting piece extending outwards, and the supporting piece can enable the clamping block to be placed on the vice body.

Preferably, a limit nut is connected to the guide rod outside the clamping block in a threaded manner, and the limit nut limits the two ends of the guide rod.

Compared with the prior art, the utility model has the beneficial effects that:

when the yaw damper is dismounted and centered to the spring rod, the clamping blocks are firstly placed in the jaw of the vice, the distance between the two clamping blocks is at the maximum position under the action of the reset spring, the jaw rotating handle is rotated at the moment to reduce the contraction of the jaw until the two jaw bodies of the vice are contacted with the outer surfaces of the clamping blocks, then the spring rod is inserted between the two clamping blocks from top to bottom, the two symmetrical plane areas of the outer surface of the lower shell of the spring rod below the safety nut are positioned between the two clamping blocks, and then the jaw rotating handle is continuously rotated to simultaneously reduce the distance between the jaw and the two clamping blocks until the folded surface in the clamping block is attached to and clamped with the two symmetrical plane areas on the lower shell of the spring rod; finally, the hexagonal through hole of the spanner head is sleeved on the safety nut and is connected with the spanner through the connecting hole, the safety nut is installed, fastened or dismantled by rotating the spanner, so that the dismounting of the yaw damper centering spring rod can be conveniently and rapidly completed, time and labor are saved, the dismounting can be completed under the operation of one worker, the efficiency and the productivity are improved, and meanwhile, the safety of the working process is ensured;

when the jaw of the vice is opened, the two clamping blocks can be always in fit connection with the two clamp bodies of the vice under the action of the return spring, so that the yaw damper centering spring rod can be conveniently replaced.

Drawings

FIG. 1 is a structural cross-sectional view of the assembled state of the disassembled and assembled components of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a top view of the present utility model;

FIG. 4 is a side view of the present utility model;

FIG. 5 is a top view of the wrench head of the present utility model.

In the figure: 1. the spring rod upper part shell, 11, the spring rod lower part shell, 12, a safety gasket, 13, a safety nut, 2, a clamping block, 21, a connecting part, 3, a supporting piece, 4, a guide rod, 5, a limit nut, 6, a reset spring, 7, a spanner head, 701, a hexagonal through hole, 702 and a connecting hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a yaw damper centering spring rod dismounting assembly comprises a spring rod upper shell 1, clamping blocks 2 and a spanner head 7, wherein the lower end of the spring rod upper shell 1 is in threaded connection with a spring rod lower shell 11, a safety washer 12 and a safety nut 13 are in threaded connection with the spring rod upper shell 1 above the spring rod lower shell 11, two clamping blocks 2 are symmetrically arranged outside the safety nut 13, supporting plates 3 extending outwards are arranged on the upper surfaces of the clamping blocks 2, the supporting plates 3 can enable the clamping blocks 2 to be placed on vice clamp bodies, a folding surface in each clamping block 2 is tightly attached to two symmetrical plane areas of the outer surfaces of the spring rod lower shell 11, the outer surfaces of the clamping blocks 2 are planes for vice clamping, a vice rotating handle is rotated, jaw shrinkage is reduced until the two clamp bodies are in contact with the outer surfaces of the clamping blocks 2, then the spring rod is inserted between the two clamping blocks 2 from top to bottom, the two symmetrical plane areas of the outer surfaces of the spring rod lower shell 11 below the safety nut 13 are continuously attached to the two symmetrical plane areas of the clamping blocks 2, and the two symmetrical plane areas of the spring rod lower shell 11 are continuously clamped between the two symmetrical plane areas of the clamping blocks 2; the two sides of the clamping blocks 2 are provided with connecting parts 21, guide rods 4 are inserted between the connecting parts 21 opposite to the clamping blocks 2, return springs 6 in compression are sleeved on the guide rods 4 between the two clamping blocks 2, the distance between the two clamping blocks 2 is in the maximum position under the action of the return springs 6, limiting nuts 5 are connected to the guide rods 4 outside the clamping blocks 2 in a threaded mode, the limiting nuts 5 limit the two ends of the guide rods 4, a hexagonal through hole 701 and a connecting hole 702 are formed in the wrench head 7, the connecting hole 702 is used for being connected with a wrench, the size of the hexagonal through hole 701 is identical to that of the safety nut 13, the hexagonal through hole 701 of the wrench head 7 is sleeved on the safety nut 13, the connecting hole 702 is connected with the wrench, and the wrench is rotated to install and fasten or detach the safety nut 13.

Working principle: when the yaw damper is dismounted and centered to the spring rod, the clamping block 2 is firstly placed in the jaw of the vice, at the moment, the jaw rotating handle is rotated to reduce the contraction of the jaw until the two jaw bodies of the vice are contacted with the outer surfaces of the clamping blocks 2, then the spring rod is inserted between the two clamping blocks 2 from top to bottom, the two symmetrical plane areas of the outer surface of the lower shell 11 of the spring rod below the safety nut 13 are positioned between the two clamping blocks 2, and then the jaw rotating handle is continuously rotated to simultaneously reduce the distance between the jaw and the two clamping blocks 2 until the folded surface in the clamping block 2 is attached to and clamped with the two symmetrical plane areas on the lower shell 11 of the spring rod; finally, the hexagonal through hole 701 of the spanner head 7 is sleeved on the safety nut 13 and connected with the spanner through the connecting hole 702, and the spanner is rotated to install and fasten or dismantle the safety nut 13, so that the dismounting of the yaw damper centering spring rod can be conveniently and rapidly completed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (3)

1. The utility model provides a spring pole dismouting subassembly is centered to yaw damper, includes spring pole upper portion casing (1), grip block (2) and spanner head (7), spring pole upper portion casing (1) lower extreme spiro union is in spring pole lower part casing (11), is located threaded connection has insurance gasket (12) and insurance nut (13) on spring pole upper portion casing (1) of spring pole lower part casing (11) top, its characterized in that: the safety nut is characterized in that two clamping blocks (2) are symmetrically arranged outside the safety nut (13), the folding surface in the clamping blocks (2) is tightly attached to two symmetrical plane areas of the outer surface of a shell (11) at the lower part of the spring rod, the outer surface of the clamping blocks (2) is a plane for clamping a vice, connecting parts (21) are arranged on two sides of the clamping blocks (2), a guide rod (4) is inserted between the connecting parts (21) opposite to the clamping blocks (2), a reset spring (6) in a compressed state is sleeved on the guide rod (4) between the clamping blocks (2), a hexagonal through hole (701) and a connecting hole (702) are formed in the wrench head (7), and the size of the hexagonal through hole (701) is the same as that of the safety nut (13).

2. The yaw damper centering spring bar assembly and disassembly assembly of claim 1, wherein: the upper surface of the clamping block (2) is provided with a supporting sheet (3) extending outwards.

3. The yaw damper centering spring bar assembly and disassembly assembly of claim 1, wherein: and a limit nut (5) is connected to the guide rod (4) positioned outside the clamping block (2) in a threaded manner.