Laser centering device for engine shafting

Abstract

The utility model provides an engine shafting laser centering device which comprises a centering tool support, a P-type support locating piece, a tail shaft sleeve locating piece and an engine locating piece, the upper portion of the centering tool support is fixedly connected with a stern, and the lower portion of the centering tool support is provided with a laser locating mechanism and a condensation locating plate. The laser positioning mechanism comprises a laser pen and a laser pen mounting seat, the condensation positioning plate is located between the laser positioning mechanism and the P-type support positioning piece, a condensation hole is formed in the condensation positioning plate, laser emitted by the laser pen penetrates through the condensation hole to form a positioning light beam with a fixed angle, a first light hole is formed in the center of the P-type support positioning piece, and a second light hole is formed in the P-type support positioning piece. A second light hole is formed in the center of the tail shaft sleeve positioning piece, a third light hole is formed in the center of the engine positioning piece, the centering tool support, the laser pen mounting base and the supporting plate can be prefabricated, the field debugging time is saved, positioning light beams emitted by the laser pen are stable, the diameter of the light beams is controlled through the light gathering hole, and the positioning error rate can be greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to engine shafting alignment technical field especially relates to engine shafting laser alignment device. BACKGROUND

[0002] When installing the inboard engine of the catamaran, the engine main engine, the tail shaft sleeve pipe and the P-shaped support need to be installed on the same angle axis, the traditional shafting alignment adopts the cooperation of the steel wire rope and the measuring tool inner calipers to carry out the corresponding positioning, the tail shaft needs to be inserted after the tail shaft sleeve pipe and the P-shaped support alignment, and then the engine is aligned, which takes a long time, and the steel wire rope may shake in the positioning process, resulting in positioning error. UTILITARY MODEL CONTENTS

[0003] The utility model discloses a engine shafting laser alignment device, which can solve the problem of long alignment time and the problem of positioning error caused by the shaking of the steel wire rope in the traditional shafting alignment.

[0004] Therefore, the utility model adopts the following technical scheme:

[0005] The engine shafting laser alignment device comprises an alignment tool support, a P-shaped support positioning piece, a tail shaft sleeve pipe positioning piece and an engine positioning piece, the upper portion of the alignment tool support is fixedly connected with the stern, the lower portion of the alignment tool support is provided with a laser positioning mechanism and a light condensation positioning plate, the laser positioning mechanism comprises a laser pen and a laser pen mounting seat, the light condensation positioning plate is located between the laser positioning mechanism and the P-shaped support positioning piece, the light condensation positioning plate is provided with a light condensation hole, the laser emitted by the laser pen forms a positioning light beam with a fixed angle after passing through the light condensation hole, the P-shaped support positioning piece is installed in the P-shaped support, the center of the P-shaped support positioning piece is provided with a first light transmission hole, the tail shaft sleeve pipe positioning piece is installed in the tail shaft sleeve pipe, the center of the tail shaft sleeve pipe positioning piece is provided with a second light transmission hole, the engine positioning piece is installed on the output flange of the engine gear box, and the center of the engine positioning piece is provided with a third light transmission hole.

[0006] On the basis of the above technical scheme, the utility model can also adopt the following further technical scheme, or use these further technical schemes in combination:

[0007] The upper portion of the alignment tool support is provided with a mounting plate, and the mounting plate is fixed in the middle portion of the stern through cabin bolts.

[0008] The laser positioning mechanism further comprises a support plate, which is fixed obliquely on one side of the centering tool support, the inclination angle of the support plate is set as the installation angle required by the engine, the laser pen mounting seat is fixed on the upper surface of the support plate, a collar for fixing the laser pen is arranged on the laser pen mounting seat, and the laser emitted by the laser pen in the collar is flush with the light collecting hole.

[0009] The lower part of the support plate and the centering tool support are fixed by a rib plate.

[0010] The light beam emitted by the laser pen forms a positioning light beam with a diameter of 1mm after passing through the light collecting hole.

[0011] The aperture of the first light-transmitting hole, the second light-transmitting hole and the third light-transmitting hole is 1mm.

[0012] The inclination angle of the positioning light beam is the same as the inclination angle of the support plate, and both are 12°.

[0013] Compared with the prior art, the centering tool support, the laser pen mounting seat and the support plate can be prefabricated, the on-site debugging time is saved, the positioning light beam emitted by the laser pen is stable, the light beam diameter is controlled through the light collecting hole, and the positioning error rate can be greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model.

[0015] Figure 2 It is a structure enlarged schematic view of the centering tool support of the utility model.

[0016] Figure 3 It is a structure enlarged schematic view of the laser positioning mechanism and the light collecting positioning plate of the utility model.

[0017] Figure 4 It is a structure schematic view of the P-shaped support positioning piece of the utility model.

[0018] Figure 5 It is a structure schematic view of the tail shaft sleeve positioning piece of the utility model.

[0019] Figure 6 It is a structure schematic view of the engine positioning piece of the utility model. DETAILED DESCRIPTION

[0020] In order for those skilled in the art to better understand the technical scheme of the utility model, the preferred embodiment of the utility model will be described below in combination with specific examples, examples of which are shown in the drawings, wherein the same or similar reference signs represent elements with the same or similar functions throughout, but it should be understood that the drawings are only for illustrative purposes and cannot be understood as limiting the utility model; in order to better illustrate the embodiment, some components in the drawings may be omitted, enlarged or reduced, and the size of the actual product is not represented; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted, and the positional relationship described in the drawings is only for illustrative purposes and cannot be understood as limiting the utility model.

[0021] The utility model will be further described below in combination with the drawings and examples, but not as the basis for limiting the utility model.

[0022] The utility model provides an engine shafting laser centering device, including centering frock support 1, P type support positioning piece 2, tail shaft sleeve positioning piece 3 and engine positioning piece 4, the upper portion of centering frock support 1 is fixedly connected with the stern, and the lower portion of centering frock support 1 is provided with laser positioning mechanism 5 and condensing positioning plate 6, laser positioning mechanism 5 includes laser pen 51 and laser pen mounting seat 52, condensing positioning plate 6 is located between laser positioning mechanism 5 and P type support positioning piece 2, condensing positioning plate 6 is equipped with condensing hole 61, and the laser emitted by laser pen 51 forms a fixed-angle positioning beam after passing through condensing hole 61, P type support positioning piece 2 is installed in P type support, and the center of P type support positioning piece 2 is provided with first light-transmitting hole 21, tail shaft sleeve positioning piece 3 is installed in tail shaft sleeve, and the center of tail shaft sleeve positioning piece 3 is provided with second light-transmitting hole 31, engine positioning piece 4 is installed on the output flange of engine gear box, and the center of engine positioning piece 4 is provided with third light-transmitting hole 41.

[0023] The upper portion of centering frock support 1 is provided with mounting plate 11, and mounting plate 11 is fixed in the middle part of the stern by cabin bolt.

[0024] Laser positioning mechanism 5 further includes support plate 53, support plate 53 is fixedly inclined to one side of centering frock support 1, the inclination angle of support plate 53 is set as the installation angle required by the engine, laser pen mounting seat 52 is fixed on the upper surface of support plate 53, and laser pen mounting seat 52 is provided with sleeve ring 54 for fixing laser pen 51, and the laser emitted by laser pen 51 in sleeve ring 54 is flush with condensing hole 61.

[0025] The lower portion of support plate 53 and centering frock support 1 are supported and fixed by rib plate 7.

[0026] The beam emitted by laser pen 51 forms a positioning beam with a diameter of 1mm after passing through condensing hole 61.

[0027] The aperture of the first light transmission hole 21, the second light transmission hole 31 and the third light transmission hole 41 is 1mm.

[0028] The center of the light collecting hole 61 is 930mm away from the waterline, which has been preset and completed in the customization process of the shafting tool support 1, so that the step of measuring by a tape measure for each ship in the traditional shafting tool can be saved, and the error rate is reduced.

[0029] The inclination angle of the positioning light beam is the same as that of the supporting plate 53, and is 12°, which has also been preset and completed in the customization process of the shafting tool support 1, so that the angle setting step of the traditional shafting tool can be saved.

[0030] In use, the laser pen 51 is fixed on the laser pen mounting seat 52, the inclination angle of the laser pen is 12°, and the light beam emitted thereby can pass through the light collecting hole 61 on the light collecting positioning plate 6, the light beam emitted by the laser pen 51 forms a positioning light beam with a diameter of 1mm after passing through the light collecting hole 61, and the positions of the P-shaped support, the tail shaft sleeve and the engine are adjusted according to the positioning light beam, when the three are located on the same angle straight line, the positioning light beam can pass through the first light transmission hole 21, the second light transmission hole 31 and the third light transmission hole 41 in sequence.

[0031] In the traditional shafting alignment, the tail shaft sleeve and the P-shaped support are aligned, and then the tail shaft is inserted, and then the engine is aligned, while in the laser shafting alignment device, the main engine, the tail shaft sleeve and the P-shaped support can be aligned at one time, so that the working hours of the whole tail shaft alignment process can be shortened by 2-3h.

[0032] According to the description and drawings of the utility model, the engine shafting laser alignment device of the utility model can be easily manufactured or used by those skilled in the art, and the positive effects recorded in the utility model can be generated.

[0033] It should be noted that the terms "include" and "have" and any variations thereof in the specification and claims of the utility model and the above drawings are intended to cover non-exclusive inclusion. The terms "mount", "set", "provided with", "connected", "connected", "sleeved" should be understood broadly. For example, it can be fixedly connected, detachably connected or integrally configured; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediate medium, or the internal communication between two mechanisms, elements or components. Those skilled in the art can understand the specific meaning of the above terms in the utility model according to the specific circumstances.

[0034] In the description of the utility model, it is understood that the terms "one end", "the other end", "outer side", "inner side", "horizontal", "end", "length", "outer end", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated mechanism or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. The terms "first", "second" are only used for the convenience of description, and do not indicate or imply relative importance.

[0035] In addition, in the practice of the claims of the utility model, those skilled in the art can understand and affect the changes of the disclosed embodiments through the study of the drawings, the disclosure and the attached claims. In addition, in the claims, the specification, "including", "containing" and the like do not exclude other elements or steps, and the singular does not exclude the plural.

[0036] The above is only a preferred embodiment of the utility model, and is not intended to limit the scope of the utility model, that is, any equivalent changes and modifications made according to the utility model are covered by the scope of the claims of the utility model, which will not be listed one by one here.

Claims

1. An engine shaft line laser alignment device, characterized by, The application relates to a centering tool support (1), a P-shaped support positioning piece (2), a tail shaft sleeve positioning piece (3) and an engine positioning piece (4), wherein the upper portion of the centering tool support (1) is fixedly connected with a ship stern, the lower portion of the centering tool support (1) is provided with a laser positioning mechanism (5) and a light condensing positioning plate (6), the laser positioning mechanism (5) comprises a laser pen (51) and a laser pen mounting seat (52), the light condensing positioning plate (6) is located between the laser positioning mechanism (5) and the P-shaped support positioning piece (2), the light condensing positioning plate (6) is provided with a light condensing hole (61), a laser emitted by the laser pen (51) forms a positioning light beam with a fixed angle after passing through the light condensing hole (61), the P-shaped support positioning piece (2) is mounted in a P-shaped support, the center of the P-shaped support positioning piece (2) is provided with a first light transmission hole (21), the tail shaft sleeve positioning piece (3) is mounted in a tail shaft sleeve, the center of the tail shaft sleeve positioning piece (3) is provided with a second light transmission hole (31), the engine positioning piece (4) is mounted on an output flange of an engine gear box, and the center of the engine positioning piece (4) is provided with a third light transmission hole (41).

2. The engine shaft line laser alignment apparatus of claim 1, wherein, The upper portion of the centering tool support (1) is provided with a mounting plate (11), and the mounting plate (11) is fixed in the middle portion of the ship stern through cabin bolts.

3. The engine shaft line laser alignment apparatus of claim 1, wherein, The laser positioning mechanism (5) further comprises a support plate (53), the support plate (53) is fixedly arranged on one side of the centering tool support (1) in an inclined mode, the inclination angle of the support plate (53) is set as the required installation angle of the engine, the laser pen mounting seat (52) is fixed on the upper surface of the support plate (53), the laser pen mounting seat (52) is provided with a sleeve ring (54) for fixing the laser pen (51), and the laser emitted by the laser pen (51) in the sleeve ring (54) is flush with the light condensing hole (61).

4. The engine shaft line laser alignment apparatus of claim 3, wherein, The lower portion of the support plate (53) and the centering tool support (1) are fixedly supported through a rib plate (7).

5. The engine shaft line laser alignment apparatus of claim 1, wherein, The light beam emitted by the laser pen (51) forms a positioning light beam with a diameter of 1mm after passing through the light condensing hole (61).

6. The engine shaft line laser alignment apparatus of claim 1, wherein, The aperture of the first light transmission hole (21), the second light transmission hole (31) and the third light transmission hole (41) is 1mm.

7. The engine shaft line laser alignment apparatus of claim 3, wherein, The inclination angle of the positioning light beam is the same as the inclination angle of the support plate (53), and both are 12 degrees.

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