CN223044095U

CN223044095U - A kind of aircraft engine parts machining repair fixture

Info

Publication number: CN223044095U
Application number: CN202421844160.XU
Authority: CN
Inventors: 刘永建; 郑丽杰; 魏煜衡; 朱道勇; 陈绍伟; 李帅磊; 陈天宝
Original assignee: Huaxia Yuntian Aviation Engine Maintenance Co ltd
Current assignee: Huaxia Yuntian Aviation Engine Maintenance Co ltd
Priority date: 2024-07-31
Filing date: 2024-07-31
Publication date: 2025-07-01
Anticipated expiration: 2034-07-31

Abstract

The utility model discloses an aircraft engine part machining maintenance fixing clamp which comprises a base plate, a supporting bolt assembly, a pressing plate and a fixing bolt assembly, wherein a boss is coaxially arranged on the base plate in a protruding mode, a plurality of first grooves are formed in the boss in a surrounding mode, the supporting bolt assembly is rotatably arranged in the first grooves, fixing grooves matched with the fixing bolt assembly are formed in the two opposite sides of the first grooves respectively, one end of the pressing plate is fixed to the supporting bolt assembly, a second groove is formed in the upper surface of the other end of the pressing plate in a penetrating mode, and the fixing bolt assembly is arranged in the second groove. The utility model overcomes the defect that the device in the prior art can only fix one type of workpiece and cannot be adjusted to be suitable for other types of workpieces, so that the application range is smaller. Thereby providing an aeroengine part machining maintenance fixture that can be adjusted to accommodate more workpieces.

Description

Aeroengine part machining maintenance mounting fixture

Technical Field

The utility model relates to the field of aero part turning fixtures, in particular to an aero engine part machining maintenance fixing fixture.

Background

When the aeronautical part is machined, the aeronautical part is generally required to be fixed through a clamp, the clamp is connected with a lathe platform for machining, and the clamp and the aeronautical part are detached together after the machining is completed. However, because the structure of the aviation part is complex, the appearance is irregular, the operation of the traditional clamp when fixing the aviation part is complicated, the stability of the clamping part is poor, and the aviation part is easy to generate errors and even scrapped in the processing process.

Chinese patent No. CN108620916B discloses an aviation part turning clamp, when the device clamping, place aviation part tip down in the backup pad, then install the clamp plate, through screwing up first locking screw, make the flange of aviation part tip be pressed from both sides tightly in the clamping space, install the template after accomplishing, through screwing up second locking screw, make the protruding eaves of template compress tightly on aviation part tip terminal surface, and support big mouthful of end inner wall by the conical surface section of template, avoid aviation part to produce the deformation when processing the appearance, alright install the clamp on lathe platform and carry out the turning after accomplishing the clamping. In addition, the positioning and mounting of the support plate and the template are particularly important for the clamping stability of the clamp, so that the first positioning pin and the second positioning pin are arranged, and the accuracy of mounting the support plate and the template is improved.

The applicant found the following technical problems when implementing the above technical solutions:

the device can only fix to one type of work piece, can't adjust in order to be suitable for other types of work pieces, leads to its application scope less.

Therefore, the utility model provides an aeroengine part machining and maintaining fixing clamp capable of being adjusted to adapt to more workpieces, which is a problem to be solved urgently.

Disclosure of utility model

Aiming at the technical problems, the utility model aims to overcome the defect that in the prior art, the device can only fix one type of workpiece and cannot be adjusted to be suitable for other types of workpieces, so that the application range is smaller. Thereby providing an aeroengine part machining maintenance fixture that can be adjusted to accommodate more workpieces.

In order to achieve the purpose, the utility model provides the mechanical maintenance fixing clamp for the aeroengine parts, which comprises a base plate, a supporting bolt assembly, a pressing plate and a fixing bolt assembly, wherein a boss is coaxially arranged on the base plate in a protruding mode, a plurality of first grooves are formed in the boss in a surrounding mode, the supporting bolt assembly is rotatably arranged in the first grooves, fixing grooves matched with the fixing bolt assembly are respectively formed in the two opposite sides of the first grooves, one end of the pressing plate is fixed on the supporting bolt assembly, a second groove is formed in the upper surface of the other end of the pressing plate in a penetrating mode, and the fixing bolt assembly is arranged in the second groove.

Preferably, the first groove and the second groove are respectively provided with a strip-shaped groove, and the supporting bolt component and the fixing bolt component are respectively arranged in the corresponding strip-shaped grooves in a reciprocating manner towards the axis direction of the boss.

Preferably, the support bolt assembly comprises a support bolt body and a hexagonal thin nut, wherein the support bolt body is vertically arranged in the first groove, and the part, extending out of the first groove, of the support bolt body is in threaded fit with the hexagonal thin nut.

Preferably, the lower end of the supporting bolt body is provided with a clamping block, and a clamping groove matched with the clamping block is recessed in the first groove.

Preferably, the clamping block is a clamping bearing.

Preferably, a cushion block is arranged on the lower side wall of one end, far away from the supporting bolt assembly, of the pressing plate.

Preferably, the cushion block is detachably arranged on the pressing plate through a slotted countersunk head screw.

Preferably, the fixing bolt assembly comprises a fixing bolt body and a first washer, wherein the fixing bolt body is vertically arranged in the second groove, and the first washer is coaxially arranged between a nut and the upper side wall of the pressing plate.

Preferably, the fixing bolt body is further sleeved with a second gasket and an elastic piece, the upper side wall of the second gasket is abutted against the lower side wall of the pressing plate, the upper end of the elastic piece is abutted against or fixedly connected with the lower side wall of the second gasket, and the lower end of the elastic piece is abutted against or fixedly connected with the inner side wall of the fixing groove.

Preferably, the base plate is coaxially provided with a hollow groove therethrough.

According to the technical scheme, compared with the prior art, the fixing device has the advantages that at least two types of workpieces, namely the first workpiece and the second workpiece, can be fixed, the first workpiece is coaxially arranged on the base plate, then the supporting bolt assembly is rotated to drive the pressing plate to rotate to the position above the edge of the first workpiece, then the fixing bolt assembly is screwed down, the first workpiece is fixed, the second workpiece is coaxially arranged on the boss, then the supporting bolt assembly is rotated to drive the pressing plate to rotate to the position above the edge of the second workpiece, then the fixing bolt assembly is screwed down, and therefore the second workpiece is fixed, and further the fixing of the two types of workpieces, namely the first workpiece and the second workpiece is achieved.

Additional features and advantages of the utility model will be set forth in the detailed description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

Fig. 1 is a perspective view of an aircraft engine component machining repair fixture provided in a preferred embodiment of the present utility model.

Fig. 2 is a second perspective view of an aircraft engine component machining repair fixture provided in a preferred embodiment of the utility model.

Fig. 3 is a perspective view of an aircraft engine component machining repair fixture provided in a preferred embodiment of the utility model.

Fig. 4 is a plan cross-sectional view of an aircraft engine component machining repair fixture provided in a preferred embodiment of the utility model.

Fig. 5 is a partial plan view of an aircraft engine component machining repair fixture provided in a preferred embodiment of the utility model.

The reference numerals illustrate 1-base plate, 101-boss, 10101-first groove, 10102-fixing groove, 10103-clamping groove, 102-hollow groove, 2-supporting bolt component, 201-supporting bolt body, 202-hexagonal thin nut, 203-clamping block, 3-pressing plate, 301-second groove, 302-cushion block, 303-slotted countersunk head screw, 4-fixing bolt component, 401-fixing bolt body, 402-first washer, 403-second washer, 404-elastic piece, 5-first workpiece and 6-second workpiece.

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present utility model is conventionally put when used, it is merely for convenience of describing the present utility model and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance. Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or communicating between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The utility model will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the utility model and the specific objects and functions achieved.

Referring to fig. 1-4, the fixing clamp for machining and maintaining the aeroengine parts comprises a base plate 1, a supporting bolt assembly 2, a pressing plate 3 and a fixing bolt assembly 4, wherein a boss 101 is coaxially arranged on the base plate 1 in a protruding mode, a plurality of first grooves 10101 are formed in the boss 101 in a surrounding mode, the supporting bolt assembly 2 is rotatably arranged in the first grooves 10101, fixing grooves 10102 matched with the fixing bolt assembly 4 are formed in two opposite sides of the first grooves 10101 respectively, one end of the pressing plate 3 is fixed on the supporting bolt assembly 2, a second groove 301 is formed in the upper surface of the other end of the pressing plate in a penetrating mode, and the fixing bolt assembly 4 is arranged in the second groove 301.

The application can fix at least two types of workpieces, namely a first workpiece 5 and a second workpiece 6, by coaxially arranging the first workpiece 5 on a base plate 1, then rotating a supporting bolt assembly 2 to drive a pressing plate 3 to rotate above the edge of the first workpiece 5, then screwing a fixing bolt assembly 4, thereby realizing the fixation of the first workpiece 5, by coaxially arranging the second workpiece 6 on a boss 101, then rotating the supporting bolt assembly 2 to drive the pressing plate 3 to rotate above the edge of the second workpiece 6, then screwing the fixing bolt assembly 4, thereby realizing the fixation of the second workpiece 6, and further realizing the fixation of the two types of workpieces, namely the first workpiece 5 and the second workpiece 6.

Referring to fig. 3 and 4, the first and second grooves 10101 and 301 are respectively provided as bar grooves, and the support bolt assembly 2 and the fixing bolt assembly 4 are respectively provided in the corresponding bar grooves in a reciprocating manner toward the axial direction of the boss 101.

The design of the application can adjust the area of the pressing plate 3 pressed on the workpiece according to the requirement, thereby being capable of adjusting according to the area of the edges of different workpieces so as to adapt to the fixation of more types of workpieces.

Referring to fig. 4 and 5, the support bolt assembly 2 includes a support bolt body 201 and a hexagonal thin nut 202, the support bolt body 201 is vertically disposed in a first recess 10101, and a portion thereof protruding from the first recess 10101 is screw-fitted with the hexagonal thin nut 202.

The height of the pressing plate 3 can be adjusted by arranging the hexagonal thin nut 202, so that the height can be adjusted according to the thickness of the edges of different workpieces, and the fixing device is suitable for fixing more types of workpieces.

Referring to fig. 4 and 5, a clamping block 203 is disposed at the lower end of the supporting bolt body 201, and a clamping groove 10103 adapted to the clamping block 203 is recessed in the first groove 10101.

According to the application, the supporting bolt body 201 is prevented from falling off by matching the clamping block 203 and the clamping groove 10103, so that the stability of the fixing clamp is improved.

Referring to fig. 4 and 5, the clamping block 203 is a clamping bearing.

According to the application, through the design of the clamping bearing, sliding friction is converted into rotating friction, so that the service life of the fixing clamp is prolonged.

Referring to fig. 3, a spacer block 302 is disposed on the lower sidewall of the end of the pressing plate 3 away from the supporting bolt assembly 2.

The application can prevent the sliding of the lower side wall of the pressing plate 3 by arranging the cushion block 302 on the lower side wall of the pressing plate, and can also prevent the damage to the workpiece caused by over tightening of the fixing bolt assembly 4.

Referring to fig. 3, the spacer block 302 is detachably mounted on the platen 3 by slotted countersunk screws 303.

The present application is designed to facilitate maintenance and replacement of the head block 302.

Referring to fig. 5, the fixing bolt assembly 4 comprises a fixing bolt body 401 and a first washer 402, wherein the fixing bolt body 401 is vertically arranged in the second groove 301, and the first washer 402 is coaxially arranged between a nut and the upper side wall of the pressing plate 3.

The present application prevents damage to the upper surface of the pressing plate 3 by over tightening of the fixing bolt body 401 by providing the first washer 402.

Referring to fig. 5, the fixing bolt body 401 is further sleeved with a second washer 403 and an elastic member 404, the upper side wall of the second washer 403 abuts against the lower side wall of the pressing plate 3, the upper end of the elastic member 404 abuts against or is fixedly connected with the lower side wall of the second washer 403, and the lower end of the elastic member abuts against or is fixedly connected with the inner side wall of the fixing groove 10102.

The present application prevents the fixing bolt body 401 from being excessively tightened to damage the workpiece and the pressing plate 3 by providing the elastic member 404.

Referring to fig. 2-4, the base plate 1 is coaxially provided with a hollow slot 102 therethrough.

The present application provides for the hollow slot 102 so that during processing of a workpiece of the type of second workpiece 6, debris will fall directly from the hollow slot 102.

When the device is used, at least two types of workpieces, namely a first workpiece 5 and a second workpiece 6, can be fixed, the first workpiece 5 is coaxially arranged on the base plate 1, then the supporting bolt assembly 2 is rotated to drive the pressing plate 3 to rotate to the position above the edge of the first workpiece 5, then the fixing bolt assembly 4 is screwed, so that the first workpiece 5 is fixed, the second workpiece 6 is coaxially arranged on the boss 101, then the supporting bolt assembly 2 is rotated to drive the pressing plate 3 to rotate to the position above the edge of the second workpiece 6, and then the fixing bolt assembly 4 is screwed, so that the second workpiece 6 is fixed, and at least two types of workpieces, namely the first workpiece 5 and the second workpiece 6, are fixed.

The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model.

In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.

Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.

Claims

1. The fixing clamp for machining and maintaining the aeroengine parts is characterized by comprising a base plate (1), a supporting bolt assembly (2), a pressing plate (3) and a fixing bolt assembly (4), wherein a boss (101) is coaxially arranged on the base plate (1) in a protruding mode, a plurality of first grooves (10101) are formed in the boss (101) in a surrounding mode, the supporting bolt assembly (2) is rotatably arranged in the first grooves (10101), fixing grooves (10102) matched with the fixing bolt assembly (4) are formed in two opposite sides of the first grooves (10101) respectively, one end of the pressing plate (3) is fixed on the supporting bolt assembly (2), a second groove (301) is formed in the upper surface of the other end of the pressing plate in a penetrating mode, and the fixing bolt assembly (4) is arranged in the second groove (301).

2. The aircraft engine part machining maintenance fixing clamp according to claim 1, wherein the first groove (10101) and the second groove (301) are respectively provided as strip-shaped grooves, and the support bolt assembly (2) and the fixing bolt assembly (4) are respectively arranged in the corresponding strip-shaped grooves in a reciprocating manner towards the axis direction of the boss (101).

3. The aircraft engine component machining repair fixture according to claim 2, wherein the support bolt assembly (2) comprises a support bolt body (201) and a hexagonal thin nut (202), the support bolt body (201) is vertically arranged in a first groove (10101), and a part of the support bolt body extending out of the first groove (10101) is in threaded fit with the hexagonal thin nut (202).

4. The aircraft engine part machining maintenance fixing clamp according to claim 3, wherein a clamping block (203) is arranged at the lower end of the supporting bolt body (201), and a clamping groove (10103) matched with the clamping block (203) is recessed in the first groove (10101).

5. The aircraft engine component machining repair fixture of claim 4, wherein the clamping blocks (203) are clamping bearings.

6. The aircraft engine part machining maintenance fixing clamp according to claim 1, wherein a cushion block (302) is arranged on the lower side wall of one end, far away from the supporting bolt assembly (2), of the pressing plate (3).

7. The aircraft engine component machining repair fixture according to claim 6, wherein the spacer (302) is detachably arranged on the pressure plate (3) by means of slotted countersunk screws (303).

8. The aircraft engine part machining and maintenance fixing clamp according to claim 2, wherein the fixing bolt assembly (4) comprises a fixing bolt body (401) and a first washer (402), the fixing bolt body (401) is vertically arranged in the second groove (301), and the first washer (402) is coaxially arranged between a nut and the upper side wall of the pressing plate (3).

9. The aircraft engine part machining maintenance fixing clamp according to claim 8, wherein the fixing bolt body (401) is further sleeved with a second gasket (403) and an elastic piece (404), the upper side wall of the second gasket (403) is abutted against the lower side wall of the pressing plate (3), the upper end of the elastic piece (404) is abutted against or fixedly connected with the lower side wall of the second gasket (403), and the lower end of the elastic piece is abutted against or fixedly connected with the inner side wall of the fixing groove (10102).

10. An aeroengine part machining repair fixture according to claim 1, wherein the base plate (1) is coaxially provided with a hollow slot (102) therethrough.