CN212518715U - Aircraft generator rotor clamping tool - Google Patents

Abstract

The utility model discloses a boat sends out rotor centre gripping frock relates to boat and sends out the processing equipment field. The utility model discloses a frame, rotate and install the horizontal clamping device of pivot in the frame, the first arm lock and the second arm lock of clamping device set up about its axis symmetry, the first arm lock with the second arm lock is installed at the both ends of connecting rod, the connecting rod with the frame rotates to be connected, the clamping end of first arm lock sets up towards the second arm lock rotation, the clamping end of second arm lock sets up towards the first arm lock rotation, and the axis of two clamping ends coincides; in order to realize at the in-process of rotor installation, need not frequently hoist and mount the position that shifts the rotor and can stabilize the high-efficient purpose of installing the rotor.

Description

Aircraft generator rotor clamping tool

Technical Field

The utility model relates to a processing equipment field, specific aerial vehicle rotor centre gripping frock that says so.

Background

The assembly process of the aircraft engine accounts for more than half of the production work of the whole aircraft engine, and the assembly quality has great influence on the working stability of the aircraft engine. The rotor of the aircraft engine works in a high-temperature and high-pressure environment and rotates at a high speed, and if the problems of out-of-concentricity and the like are caused in the assembling process, the phenomenon of unbalanced rotation of the rotor, vibration and noise generation and even engine shutdown are caused.

At present, carry out the in-process of joining in marriage to rotor and blade, two sets of frocks that all adopt, also namely need utilize horizontal frock centre gripping rotor earlier, then the blade that descends the rotor at the horizontality combines with the rotor installation, the installation is accomplished the back, rethread lifting device, the rotor hoist and mount that will accomplish the blade installation carry out the centre gripping to vertical frock in, then carry out the connection of mutual piece with a plurality of rotors of having installed the blade fixed, like this, because need frequent rotor hoist and mount to move, the in-process of removal if caused the damage to the rotor, so can produce huge influence to the installation operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aeroengine rotor centre gripping frock to the realization does not need frequent hoist and mount to shift the position of rotor and can stabilize the high-efficient purpose of installing to the rotor at the in-process of rotor installation.

In order to achieve the above purpose, the utility model adopts the following technical means:

the utility model provides a boat sends out rotor centre gripping frock, includes the frame, rotate in the frame and install pivot horizontally clamping device, clamping device's first arm lock and second arm lock set up about its axis symmetry, first arm lock with the both ends at the connecting rod are installed to the second arm lock, the connecting rod with the frame rotates to be connected, the exposed core orientation of first arm lock the second arm lock rotates to be set up, the exposed core orientation of second arm lock first arm lock rotates to be set up, and two the axis coincidence of exposed core.

As preferred, slidable mounting has gliding slide box from top to bottom in the frame, install running gear in the slide box, running gear's centre of a circle position is installed and is stretched out slide box just is used for rotating clamping device's connecting axle, the tip of connecting axle with clamping device connects, slide box's lateral wall installation pivot with the parallel first motor of connecting axle, the rotation end of first motor install with the drive gear of running gear meshing.

Further, be provided with the slide channel of vertical extension in the frame, slide channel with the inner chamber intercommunication of frame, the slip case orientation the one side of frame is installed and is linked up the piece, it passes to link up the piece slide channel stretches into the inner chamber of frame, the second motor is installed on the top of frame, the rotation end of second motor is vertical downwards and installs the external screw thread pole, the external screw thread pole passes link up the piece and with link up a threaded connection.

Further, the connecting rod is connected with the connecting shaft.

Furthermore, first arm lock include with the connecting rod fixed with the parallel first bracing piece of connecting rod pivot, first bracing piece dorsad first oppression device is installed to the one end of connecting rod, first oppression device includes the orientation the first screw thread telescopic link that the second arm lock set up, first briquetting is installed in the rotation of the flexible end of first screw thread telescopic link.

Furthermore, first briquetting include with first screw thread telescopic link rotates the first backup pad of connecting, first backup pad with the relative one side coaxial arrangement of first screw thread telescopic link has first spacing section of thick bamboo of inserting, first locking device is installed to the bottom surface of first backup pad, first locking device's locking end level extends outwards and moves towards first lateral wall of inserting spacing section of thick bamboo.

Furthermore, the second clamping arm comprises a second supporting rod which is fixed with the connecting rod and parallel to the rotating shaft of the connecting rod, the second supporting rod faces away from one end of the connecting rod, a second pressing device is arranged on the second supporting rod, the second pressing device comprises a second threaded telescopic rod facing the first clamping arm, and a second pressing block is arranged at the telescopic end of the second threaded telescopic rod in a rotating mode.

Furthermore, the second briquetting include with the second screw thread telescopic link rotates the second backup pad of connecting, the second backup pad with the relative one side coaxial arrangement of second screw thread telescopic link has the second to insert spacing section of thick bamboo, second locking device is installed to the bottom surface of second backup pad, the near-end level of second locking device extends outwards and towards the second inserts the lateral wall of spacing section of thick bamboo.

The utility model discloses at the in-process that uses, following beneficial effect has:

when installing the aircraft engine rotor, let clamping device rotate earlier and be the horizontal installation, just let first arm lock and second arm lock keep the level promptly, the main part of rotor is carried out the centre gripping with the exposed core of first arm lock and second arm lock, and let the main part of rotor be in the horizontality, then begin the surface mounting blade at the rotor, the in-process of installation blade, the main part of rotor can be free rotation under the effect of exposed core, just also for carrying out the blade installation for encircleing the rotor body surface and provide convenient condition, only need the work piece to rotate and can not need the workman to rotate around the rotor. Moreover, after the blades of the sub-rotors are installed, the clamping device is rotated again, and the clamping device is rotated to the vertical state from the horizontal state, so that the two rotors which are clamped between the first clamping arm and the second clamping arm and used for installing the blades can be enabled to complete the conversion from the horizontal direction to the vertical direction under the state that the relative positions of the main bodies of the two rotors are not changed, after the workpiece is in the vertical state, the two rotors can be installed and fixed, and similarly, in the installation and fixation process, the rotors can rotate freely, and workers do not need to move around the rotors. On the one hand, the accuracy and the efficiency of installation have been improved, on the other hand, the relative position of the two bodies of two rotors can not change, that is to say after the blade installation is accomplished, truns into the rotor to the in-process of vertical state, no longer need carry out artificial alignment to two rotors, and then effectively improved the installation effectiveness, has directly avoided simultaneously utilizing the hoist to hoist the in-process of displacement to the work piece, the condition that collision damage appears in the work piece.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a front view of the present invention,

Fig. 3 is a schematic view of the cross-sectional structure a-a in fig. 2.

Fig. 4 is a schematic side view of the present invention.

Fig. 5 is a partially enlarged structural view of a portion a in fig. 4.

The device comprises a machine frame 1, a clamping device 2, a first clamping arm 21, a first supporting rod 211, a first pressing device 212, a first threaded telescopic rod 2121, a first pressing block 2122, a first supporting plate 21221, a first insertion limiting cylinder 21222, a first locking device 21223, a second clamping arm 22, a second supporting rod 221, a second pressing device 222, a second threaded telescopic rod 2221, a second pressing block 2222, a second supporting plate 22221, a second insertion limiting cylinder 22222, a second locking device 22223, a connecting rod 22223, a sliding box 3, a first motor 4, a first connecting block 5, a second motor 6 and an external threaded rod 7.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

To be specific, please refer to fig. 1 to 5, a aircraft engine rotor clamping tool includes a frame 1, a rotating shaft horizontal clamping device 2 is rotatably mounted on the frame 1, a first clamping arm 21 and a second clamping arm 22 of the clamping device 2 are symmetrically arranged about an axis thereof, the first clamping arm 21 and the second clamping arm 22 are mounted at two ends of a connecting rod 23, the connecting rod 23 is rotatably connected with the frame 1, a clamping end of the first clamping arm 21 faces the second clamping arm 22, a clamping end of the second clamping arm 22 faces the first clamping arm 21, and two axes of the clamping ends coincide.

Like this, when installing the aircraft engine rotor, let clamping device 2 rotate earlier for horizontal installation, just let first arm lock 21 and second arm lock 22 keep the level promptly, the main part of rotor is carried out the centre gripping with the exposed core of second arm lock 22 with first arm lock 21, and let the main part of rotor be in the horizontality, then begin at the surface mounting blade of rotor, the in-process of installation blade, the main part of rotor can be free rotation under the effect of exposed core, just also provide convenient condition for carrying out the blade installation for encircleing rotor body surface, only need the work piece to rotate and can not need the workman to rotate around the rotor. Moreover, after the blades of the sub-rotors are installed, the clamping device 2 is rotated again, and the clamping device 2 is rotated to the vertical state from the horizontal state, so that the two rotors which are clamped between the first clamping arm 21 and the second clamping arm 22 and used for installing the blades can be enabled to complete the conversion from the horizontal direction to the vertical direction without changing the relative positions of the main bodies of the two rotors, after the workpiece is in the vertical state, the two rotors can be installed and fixed, and similarly, in the installation and fixation process, the rotors can rotate freely without moving around the rotors by workers. On the one hand, the accuracy and the efficiency of installation have been improved, on the other hand, the relative position of the two bodies of two rotors can not change, that is to say after the blade installation is accomplished, truns into the rotor to the in-process of vertical state, no longer need carry out artificial alignment to two rotors, and then effectively improved the installation effectiveness, has directly avoided simultaneously utilizing the hoist to hoist the in-process of displacement to the work piece, the condition that collision damage appears in the work piece.

Further say, slidable mounting has gliding slip box 3 from top to bottom on frame 1, install running gear in the slip box 3, running gear's centre of a circle position is installed and is stretched out slip box 3 just is used for rotating clamping device 2's connecting axle, the tip of connecting axle with clamping device 2 connects, the lateral wall installation pivot of slip box 3 with the parallel first motor 4 of connecting axle, the rotation end of first motor 4 install with the drive gear of running gear meshing.

That is, the rotation of the holding device 2 is achieved by controlling the operation of the first motor 4.

Furthermore, to reciprocating of sliding box 3, be provided with the slide channel of vertical extension in the frame 1, slide channel with the inner chamber intercommunication of frame 1, the orientation of sliding box 3 the one side of frame 1 is installed and is linked up piece 5, it passes to link up piece 5 slide channel stretches into the inner chamber of frame 1, second motor 6 is installed on the top of frame 1, the rotation end of second motor 6 is vertical downwards and installs external screw thread pole 7, external screw thread pole 7 passes link up piece 5 and with link up 5 threaded connection, and connecting rod 23 with connecting shaft connects.

Like this, at second motor 6 pivoted in-process, can let external screw thread pole 7 rotate, and then let link up piece 5 and under sliding channel's limiting displacement, reciprocate along sliding channel to the realization is to the regulation of sliding box 3, and then adjusts clamping device 2's height.

Then, as for the clamping device 2, more specifically, the first clamping arm 21 includes a first supporting rod 211 fixed to the connecting rod 23 and parallel to the rotating shaft of the connecting rod 23, one end of the first supporting rod 211 opposite to the connecting rod 23 is provided with a first pressing device 212, and the first pressing device 212 includes a first threaded telescopic rod 2121 disposed toward the second clamping arm 22, and a first pressing block 2122 is rotatably mounted on a telescopic end of the first threaded telescopic rod 2121 (a telescopic end of the first threaded telescopic rod 2121 faces the second clamping arm 22).

The first pressing block 2122 comprises a first supporting plate 21221 rotatably connected with the first threaded telescopic rod 2121, a first insertion limiting barrel 21222 is coaxially installed on one surface of the first supporting plate 21221 opposite to the first threaded telescopic rod 2121, a first locking device 21223 is installed on the bottom surface of the first supporting plate 21221, and a locking end of the first locking device 21223 extends horizontally outwards and faces the side wall of the first insertion limiting barrel 21222.

The second clamping arm 22 comprises a second supporting rod 221 fixed with the connecting rod 23 and parallel to the rotating shaft of the connecting rod 23, the second supporting rod 221 is opposite to one end of the connecting rod 23, a second pressing device 222 is installed on the second supporting rod 222, the second pressing device 222 comprises a second threaded telescopic rod 2221 arranged towards the first clamping arm 21, and a second pressing block 2222 is rotatably installed at the telescopic end of the second threaded telescopic rod 2221 towards the first clamping arm 21.

The second pressing block 2222 includes a second supporting plate 22221 rotatably connected to the second threaded telescopic rod 2221, a second insertion limiting cylinder 22222 is coaxially installed on a surface of the second supporting plate 22221 opposite to the second threaded telescopic rod 2221, a second locking device 22223 is installed on a bottom surface of the second supporting plate 22221, and a proximal end of the second locking device 22223 extends horizontally outward and faces a side wall of the second insertion limiting cylinder 22222.

Thus, when installing the material, the portion of the rotor body recessed in the middle can be installed in the first insertion limiting cylinder 21222 or the second insertion limiting cylinder 22222, and the end of the body is placed on the first support plate 21221 or the second support plate 22221, then the side wall of the body is pressed by the first locking device 21223 or the second locking device 22223, the workpiece is clamped and locked by the interaction of the first insertion limiting cylinder 21222 or the second insertion limiting cylinder 22222 and the locking device, then the workpiece is adjusted by the first threaded telescopic rod 2121 or the second threaded telescopic rod 2221, and the other insertion limiting cylinder not in contact with the workpiece is adjusted by the threaded telescopic rod to be inserted into the workpiece and fastened by the same method.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (8)

1. The utility model provides a boat generator rotor centre gripping frock which characterized in that: including frame (1), rotate in frame (1) and install pivot horizontally clamping device (2), the first arm lock (21) of clamping device (2) sets up with second arm lock (22) about its axis of rotation symmetry, first arm lock (21) with the both ends at connecting rod (23) are installed in second arm lock (22), connecting rod (23) with frame (1) rotates to be connected, the exposed core of first arm lock (21) moves towards second arm lock (22) rotates to be set up, the exposed core of second arm lock (22) moves towards first arm lock (21) rotates to be set up, and two the axis coincidence of exposed core.

2. The aircraft generator rotor clamping tool of claim 1, characterized in that: frame (1) goes up slidable mounting has gliding slip box (3) from top to bottom, install rotating gear in slip box (3), rotating gear's centre of a circle position is installed and is stretched out slip box (3) and be used for rotating the connecting axle of clamping device (2), the tip of connecting axle with clamping device (2) are connected, the lateral wall installation pivot of slip box (3) with the parallel first motor (4) of connecting axle, the rotation end of first motor (4) install with the drive gear of rotating gear meshing.

3. The aircraft generator rotor clamping tool of claim 2, characterized in that: be provided with the slide passage of vertical extension on frame (1), slide passage with the inner chamber intercommunication of frame (1), slip case (3) orientation the one side of frame (1) is installed and is linked up piece (5), link up piece (5) and pass slide passage stretches into the inner chamber of frame (1), second motor (6) are installed on the top of frame (1), the rotation end of second motor (6) is vertical downwards and install external screw thread pole (7), external screw thread pole (7) are passed link up piece (5) and with link up piece (5) threaded connection.

4. The aircraft generator rotor clamping tool of claim 3, characterized in that: the connecting rod (23) is connected with the connecting shaft.

5. The aircraft generator rotor clamping tool of claim 1, characterized in that: first arm lock (21) include with connecting rod (23) fixed with connecting rod (23) pivot parallel first bracing piece (211), first bracing piece (211) dorsad first oppression device (212) are installed to the one end of connecting rod (23), first oppression device (212) are including the orientation first screw thread telescopic link (2121) that second arm lock (22) set up, first briquetting (2122) are installed in the flexible end rotation of first screw thread telescopic link (2121).

6. The aircraft generator rotor clamping tool of claim 5, characterized in that: first briquetting (2122) include with first thread telescopic link (2121) rotate first backup pad (21221) of connecting, first backup pad (21221) with the relative one side coaxial arrangement of first thread telescopic link (2121) has first spacing section of thick bamboo (21222) of inserting, first locking device (21223) is installed to the bottom surface of first backup pad (21221), the locking end horizontal outside extension of first locking device (21223) just moves towards the first lateral wall of inserting spacing section of thick bamboo (21222).

7. The aircraft generator rotor clamping tool of claim 1, characterized in that: second arm lock (22) include with connecting rod (23) fixed and with connecting rod (23) pivot parallel second bracing piece (221), second bracing piece (221) dorsad second oppression device (222) are installed to the one end of connecting rod (23), second oppression device (222) are including the orientation second screw thread telescopic link (2221) that first arm lock (21) set up, second briquetting (2222) are installed in the rotation of the flexible end of second screw thread telescopic link (2221).

8. The aircraft generator rotor clamping tool of claim 7, characterized in that: the second pressing block (2222) comprises a second supporting plate (22221) rotationally connected with the second threaded telescopic rod (2221), a second insertion limiting cylinder (22222) is coaxially installed on one opposite surface of the second supporting plate (22221) and the second threaded telescopic rod (2221), a second locking device (22223) is installed on the bottom surface of the second supporting plate (22221), and the locking end of the second locking device (22223) horizontally extends outwards and faces the side wall of the second insertion limiting cylinder (22222).

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