Stacking clamp for high-precision aviation thin ring disc shaft piece

Abstract

The utility model relates to a high precision aviation thin ring disc shaft superposing clamp, which comprises a suspension arm and a support arm, the support arm is arranged below the suspension arm, the suspension arm and the support arm are parallel and are in a horizontal state, a plurality of lifting assemblies are arranged on the suspension arm, the lifting assemblies slide on the suspension arm after being controlled, a positioning seat is arranged on the support arm, and the positioning seat is arranged on the suspension arm. Two inner supporting arms are hinged to the positioning base and connected to the two side vertical faces of the positioning base respectively, and a push-pull assembly is connected to the positioning base. Compared with the prior art, the lifting hook has the beneficial effects that when the height of the axis of the ring disc piece needs to be adjusted, the screwing rod can be screwed, and the screwing rod moves axially, so that the distance between the center of the ring disc piece hung by the lifting hook and the supporting arm is adjusted, and the height of the axis of the ring disc piece is adjusted; whether the central axis of the ring disc piece coincides with the central axis of the supporting arm or not can be judged according to the contact degree of the positioning base and the inner circumference of the ring disc piece, and finally the multiple ring disc pieces are in an overlapped state meeting the assembly requirement.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of frock clamp, concretely relates to a kind of stack clamps for high-precision aviation thin ring disc shaft parts. BACKGROUND

[0002] The stacking of high-precision aviation thin ring disc shaft parts is a complex process with extremely high precision requirements. Before stacking, comprehensive inspection of high-precision aviation thin ring disc shaft parts is required. To ensure the precision of stacking, a special clamp is needed. For thin ring stacking, the clamp should be able to accurately position and fix the thin ring to prevent displacement or tilting during the stacking process. For example, a clamp with concentric positioning structure is used, which ensures the coincidence of the center axis of the thin ring through the positioning ring tightly fitted with the inner and outer diameters of the thin ring.

[0003] Prior art discloses a limiting clamp for bearing outer ring, with authorization announcement number CN221019900U, which includes a mounting base, a plurality of coaxial limiting expansion discs are arranged on the mounting base in a stacking manner, a plurality of elastic support assemblies are arranged in the disc body of the limiting expansion disc in a ring direction, and an expansion adjusting shaft is arranged in the center hole of the limiting expansion disc, the disc body is constructed by at least four fan-shaped blocks in a common core splicing manner in the initial working state, and the fan-shaped blocks are detachably mounted on the mounting base by locking screw, and the disc body is driven by the expansion adjusting shaft and guided by the mounting base to radially translate, thereby expanding the inner support limiting of the thin ring workpiece on the disc body.

[0004] However, when stacking and assembling ring disc shaft parts, not only the coaxiality between different ring disc parts needs to be ensured, but also the different ring disc parts need to be in a parallel state. Sometimes, the spacing between adjacent two ring disc parts needs to be adjusted, which cannot be solved in the above prior art solution. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a clamp that can perform high-precision stacking and assembly of aviation thin ring disc shaft parts.

[0006] To achieve the above object, the utility model discloses technical scheme is a kind of high-precision aviation thin ring disc axle's superposition clamp, including boom and support arm, support arm is located below boom, boom is parallel with support arm and both are horizontal state, several hoisting components are provided on boom, hoisting component is controlled and slides on boom, positioning seat is provided on support arm, two inner bracing arms are hinged on positioning seat, two inner bracing arms are connected on the two side vertical surfaces of positioning seat respectively, push-pull assembly is connected on positioning seat, when push-pull assembly moves, control two inner bracing arms overturn, the axial extension through hole is provided on support arm, translation control arm is provided in through hole, translation control arm is connected with positioning seat, when translation control arm moves in through hole, positioning seat is moved.

[0007] Further, push-pull assembly includes two push-pull arms, limiting ring is provided on the two side vertical surfaces of positioning seat, two push-pull arms are respectively passed in corresponding limiting ring, push-pull arm is connected with inner bracing arm, and the outer end between two push-pull arms is connected with handle.

[0008] Further, ear plate group is provided on positioning seat, push-pull arm is passed by ear plate group, end of inner bracing arm is fixed with gear disc, gear disc is hinged with ear plate group, and push-pull arm is engaged with gear disc.

[0009] Further, inner bracing arm is triangular strip, and the included angle between straight edge and inclined edge is 15-30 °, notch is arranged at inclined edge of strip, and notch is arranged along the length direction of inclined edge of strip.

[0010] Further, translation control arm includes threaded arm rod, inner thread interval section is arranged on the inner wall of through hole of support arm, threaded arm rod is screwed with through hole, and the inner end of threaded arm rod is connected with short shaft, and short shaft is connected with slide column located in through hole, and slide column is connected with positioning seat.

[0011] Further, support arm horizontally penetrates positioning seat, and flat strip-shaped opening is arranged on support arm and extends axially, guide rod is passed in flat strip-shaped opening, and two ends of guide rod are respectively connected with positioning seat and slide column.

[0012] Further, hoisting component includes slide seat connected on boom, flat mouth is arranged on slide seat and vertically penetrates, hoisting rod is passed in flat mouth, hoisting rod is hinged with slide seat, and the lower end of hoisting rod is connected with lifting hook.

[0013] Further, hoisting rod includes inner thread sleeve, inner thread sleeve is hinged with slide seat, screw rod is passed in inner thread sleeve, screw rod is screwed with inner thread sleeve, and the lower end of screw rod is connected with lifting hook through movable shaft.

[0014] Further, track mouth is arranged on boom and extends along the length direction of boom, and hoisting rod is passed in track mouth.

[0015] Compared with the prior art, the utility model discloses the beneficial effects are: ring disc piece is hung and placed and is vertical state, a plurality of ring disc pieces are parallel state between this time, can adjust the interval between two ring disc pieces of adjacent through the position of lifting assembly is moved, when needing to adjust the axial height of ring disc piece, also can be through the screwing of screwing rod, screwing rod will carry out axial movement, and then adjust the interval between the center of the ring disc piece of lifting hook and the supporting arm, and the contact degree of positioning seat and the inner circumference of ring disc piece can determine whether the central axis of ring disc piece coincides with the central axis of supporting arm, finally make a plurality of ring disc pieces form the superposed state of meeting the assembly requirement. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is main view structural schematic drawing of the utility model;

[0017] Figure 2 It is cross section structural schematic drawing of lifting assembly of the utility model;

[0018] Figure 3 It is positioning seat and inner supporting arm connection schematic drawing of the utility model;

[0019] Figure 4 It is positioning seat structure schematic drawing of the utility model;

[0020] Figure 5 It is inner supporting arm structure schematic drawing of the utility model;

[0021] Figure 6 It is positioning seat and supporting arm connection cross section schematic drawing of the utility model;

[0022] Wherein, 1-place base, 2-vertical base plate, 3-hoist arm, 4-supporting arm, 5-inclined pull rod, 6-lifting assembly, 7-sliding seat, 8-flat mouth, 9-lifting hook, 10-positioning seat, 11-inner threaded sleeve, 12-screwing rod, 13-limiting rod, 14-limiting sleeve, 15-side vertical surface, 16-inner supporting arm, 17-pull arm, 18-limiting ring, 19-grip, 20-spring, 21-gap, 22-penetration hole, 23-flat bar opening, 24-threaded arm rod, 25-sliding column, 26-guide rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. It should be understood that the preferred embodiments described herein are only used to explain and describe the present application, and are not used to limit the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, and are not all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application. In the embodiments, the components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application.

[0024] Referring to Figures 1 to 6 As shown in the drawings, a high-precision aviation thin ring disc shaft part stacking clamp, comprising a placing base 1, a vertical base plate 2 is arranged on the placing base 1, a hanging arm 3 and a supporting arm 4 are arranged on the vertical base plate 2, the supporting arm 4 is located below the hanging arm 3, a track port is arranged on the hanging arm 3, the track port extends along the length direction of the hanging arm 3, the hanging arm 3 can be composed of two arm rods, the area between the two arm rods is the track port, in order to increase the weighing capacity of the hanging arm 3, a diagonal pull rod 5 is butt-jointed at the free end of the hanging arm, the other end of the diagonal pull rod 5 is fixed on the vertical base plate 2, the hanging arm 3 is parallel to the supporting arm 4 and both are in a horizontal state, at this time, the hanging arm 3 and the supporting arm 4 are located on the same vertical plane, a plurality of lifting assemblies 6 are arranged on the hanging arm 3, the lifting assemblies 6 are slidingly connected with the hanging arm 3, the lifting assemblies 6 will slide on the hanging arm 3 after being controlled, the ring disc part is connected on the lifting assembly 6, so at this time the ring disc part is in a vertical state, when the ring disc part is connected on each lifting assembly 6, the plurality of ring disc parts are in a parallel state, and the distance between the adjacent two ring disc parts can be adjusted by moving the position of the lifting assembly 6.

[0025] The lifting assembly 6 comprises a sliding seat 7 connected to the lifting arm 3, and a vertical flat hole 8 is arranged in the sliding seat 7, and a lifting rod is arranged in the flat hole 8, and the lifting rod is also arranged in the track hole, when the sliding seat 7 slides on the lifting arm 3, the lifting rod moves in the track hole, the lifting rod is connected with the sliding seat 7, the lower end of the lifting rod is connected with a hook 9, the hook 9 is connected with the ring disc, under the gravity of the ring disc, the lifting rod is in a vertical state, because the supporting arm 4 is in a horizontal state, the extension line of the lifting rod is perpendicular to the supporting arm, when the sliding seat 7 moves with the ring disc to the vertical base plate 2, the ring disc is sleeved on the supporting arm, at this time, the positioning seat 10 is arranged on the supporting arm 4, and the contact degree between the positioning seat 10 and the inner circumference of the ring disc can determine whether the central axis of the ring disc is coincided with the central axis of the supporting arm;

[0026] The lifting rod comprises an inner threaded sleeve 11, the inner threaded sleeve 11 is connected with the sliding seat 7, at this time, the inner threaded sleeve 11 can be flipped with the axis joint point as the reference point, a screw rod 12 is arranged in the inner threaded sleeve 11, the screw rod 12 is screwed with the inner threaded sleeve 11, the lower end of the screw rod 12 is connected with the hook 9 through a movable shaft, that is, when the screw rod 12 rotates, the hook 9 can not rotate, the specific connection structure is prior art, and details are not repeated here, in order to increase the stability of the ring disc hoisted by the hook, a vertical limiting rod 13 can be connected with the hook 9, a limiting sleeve 14 is fixed on the outer wall of the inner threaded sleeve 11, the limiting rod 13 is arranged in the limiting sleeve 14, at this time, the limiting rod 13 is parallel with the screw rod 12, the screw rod 12 can be axially moved by being screwed, and then the horizontal height of the ring disc hoisted by the hook is adjusted.

[0027] The positioning seat 10 is sleeved on the supporting arm 4 and can slide on the supporting arm 4, two side vertical surfaces 15 are arranged on the positioning seat 10 and are parallel to each other, an inner supporting arm 16 is hinged on each side vertical surface 15, a push-pull assembly is connected to the positioning seat 10 and cooperates with the inner supporting arm 16, the push-pull assembly comprises two push-pull arms 17, a limiting ring 18 is further arranged on each side vertical surface of the positioning seat 10, the two push-pull arms 17 pass through the corresponding limiting rings 18 respectively, at this time, the push-pull arms 17 are parallel to the supporting arm 4, the two push-pull arms 17 horizontally pass through the vertical surface base plate 2, a handle 19 is connected between the end portions of the two push-pull arms 17 located outside the vertical surface base plate 2, a through hole is arranged at the middle position of the handle 19, a spring 20 is connected between the push-pull arm 17 and the limiting ring 18, the spring 20 can be a spring that generates a restoring force after being stretched or a spring that generates a restoring force after being compressed according to the position, an ear plate group is arranged on the side vertical surface of the positioning seat 10 and comprises two parallel ear plates, the push-pull arm 17 passes through the ear plate group, a gear disc is fixed to the end portion of the inner supporting arm 16, the gear disc is connected with the ear plate group, at this time, the gear disc is located between the two ear plates, a protruding tooth is arranged on the push-pull arm 17, the push-pull arm 17 is in meshing connection with the gear disc, and the two inner supporting arms 16 are controlled to flip when the push-pull assembly moves.

[0028] The inner supporting arm 16 is a triangular strip, the included angle between the straight edge and the inclined edge is 15-30°, the inclined edge of the strip is provided with a plurality of notches 21 arranged along the length direction of the inclined edge, when the inner supporting arm 16 flips away from the supporting arm 4, the inner supporting arm 16 contacts the inner circumference of the ring disc, at this time, the inner ring position of the ring disc is clamped in the corresponding notch 21, the ring disc is supported by the inner supporting arm 16, and since the two inner supporting arms 16 flip at the same angle, when the two inner supporting arms 16 contact the inner circumference of the ring disc at the same time, the ring disc and the supporting arm 4 are coaxial.

[0029] When positioning different ring disc parts, the positioning seat 10 needs to be moved and adjusted. Specifically, the positioning seat 10 is horizontally penetrated by the supporting arm 4, and the positioning seat 10 can slide on the supporting arm 4. An axially extending through hole 22 is arranged on the supporting arm 4, and a translation control arm is arranged in the through hole 22. The translation control arm passes through the hole on the handle 19. An axially extending flat strip-shaped opening 23 is arranged on the supporting arm 4, and the flat strip-shaped opening 23 is in communication with the through hole 22. The translation control arm includes a threaded arm rod 24. An inner threaded interval section is arranged on the inner wall of the through hole 22 of the supporting arm 4. The threaded arm rod 24 is screwed with the through hole 22. The inner end of the threaded arm rod 24 is connected with a short shaft. The short shaft is connected with a slide column 25 located in the through hole. At this time, a guide rod 26 passes through the flat strip-shaped opening 23. The two ends of the guide rod 26 are respectively connected with the positioning seat 10 and the slide column 25, so as to realize the connection between the slide column 25 and the positioning seat 10. In this way, the translation control arm and the positioning seat 10 are connected. When the translation control arm is axially moved in the through hole, the positioning seat is moved, so that the positioning seat can be moved to other positions to position other ring disc parts after positioning a certain ring disc part.

[0030] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection; it can be electrical connection; it can be hydraulic connection; it can be direct connection, or indirect connection through intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A high-precision aviation thin ring disc shaft part stacking clamp, comprising a hanging arm and a supporting arm, the supporting arm is located below the hanging arm, characterized in that: The lifting arm and the supporting arm are parallel and both are horizontal, and a plurality of lifting assemblies are arranged on the lifting arm and slide on the lifting arm under control; The supporting arm is provided with a positioning seat, two inner supporting arms are hingedly connected to two side vertical surfaces of the positioning seat, and a push-pull assembly is connected to the positioning seat and controls the two inner supporting arms to turn over when the push-pull assembly moves; The supporting arm is provided with an axially extending through channel, and a translation control arm is arranged in the through channel and connected to the positioning seat, and the translation control arm drives the positioning seat to move when the translation control arm moves in the through channel.

2. The laminated fixture for high-precision aviation thin ring disc shaft parts according to claim 1, characterized in that: The push-pull assembly comprises two push-pull arms, a limiting ring is arranged on each of the two side vertical surfaces of the positioning seat, and the two push-pull arms pass through the corresponding limiting rings, the push-pull arms are connected to the inner supporting arms, and a handle is connected between the outer ends of the two push-pull arms.

3. The laminated fixture for high-precision aviation thin ring disc shaft parts according to claim 2, characterized in that: The positioning seat is provided with an ear plate group, the push-pull arms pass through the ear plate group, the end of the inner supporting arm is fixed with a gear disc, the gear disc is hingedly connected to the ear plate group, and the push-pull arms are engaged with the gear disc.

4. The laminated fixture for high-precision aviation thin ring disc shaft parts according to any one of claims 1 to 3, characterized in that: The inner supporting arm is a triangular strip, the included angle between the straight edge and the oblique edge of the triangular strip is 15-30°, and a notch is arranged at the oblique edge of the strip and arranged along the length direction of the oblique edge of the strip.

5. The laminated fixture for high-precision aviation thin ring disc shaft parts according to claim 1, characterized in that: The translation control arm comprises a threaded arm rod, an inner threaded interval section is arranged on the inner wall of the through channel of the supporting arm, the threaded arm rod is screwed to the through channel, a short shaft is connected to the inner end of the threaded arm rod, and the short shaft is connected to a slide column located in the through channel, and the slide column is connected to the positioning seat.

6. The laminated fixture for high-precision aviation thin ring disc shaft parts according to claim 5, characterized in that: The supporting arm horizontally penetrates the positioning seat, and the supporting arm is provided with an axially extending flat strip-shaped opening, a guide rod passes through the flat strip-shaped opening, and the two ends of the guide rod are respectively connected to the positioning seat and the slide column.

7. The laminated fixture for high-precision aviation thin ring disc shaft parts according to claim 1, characterized in that: The lifting assembly comprises a sliding seat connected to the lifting arm, a vertical through flat opening is arranged on the sliding seat, a lifting rod passes through the flat opening, the lifting rod is hingedly connected to the sliding seat, and a lifting hook is connected to the lower end of the lifting rod.

8. The laminated fixture of high-precision aviation thin ring disc shaft parts according to claim 7, characterized in that: The lifting rod comprises an inner threaded sleeve, the inner threaded sleeve is hingedly connected to the sliding seat, a screw rod passes through the inner threaded sleeve, the screw rod is screwed to the inner threaded sleeve, and the lower end of the screw rod is connected to the lifting hook through a movable shaft.

9. The laminated fixture for high-precision aviation thin ring disc shaft parts according to claim 7, characterized in that: The lifting arm is provided with a track opening extending along the length direction of the lifting arm, and the lifting rod passes through the track opening.

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