CN212526780U - Special lifting adjusting device for marine crankshaft shrink fit flange piece - Google Patents
Special lifting adjusting device for marine crankshaft shrink fit flange piece Download PDFInfo
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- CN212526780U CN212526780U CN202021095473.1U CN202021095473U CN212526780U CN 212526780 U CN212526780 U CN 212526780U CN 202021095473 U CN202021095473 U CN 202021095473U CN 212526780 U CN212526780 U CN 212526780U
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- stud
- lifting
- base plate
- balance beam
- holes
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Abstract
The utility model provides a special lifting adjusting device for marine crankshaft shrink fit flange pieces. The utility model comprises a triangular balance beam and three lifting brackets fixed below the triangular balance beam, wherein each lifting bracket comprises a first base plate and a second base plate arranged below the first base plate, the first base plate is provided with at least four holes, the positions of the second base plate matched with the holes of the first base plate are provided with the same holes, a group of diagonal holes are provided with a first stud and a second stud, and the top ends of the first stud and the second stud are connected with the triangular balance beam; and a third stud and a fourth stud are arranged in the other group of diagonal holes, the bottom ends of the third stud and the fourth stud are connected with the lifting clamp, a detachable supporting mechanism is arranged between the first base plate and the second base plate and used for adjusting the distance between the first base plate and the second base plate so as to accurately adjust the lifting distance of the lifting clamp. The utility model discloses simple structure, simple to operate, maneuverability is strong, can realize fast stable, accurate adjustment operation before the red cover of completion bent axle assembles.
Description
Technical Field
The utility model relates to a marine half combination formula bent axle makes technical field, especially relates to a special use of marine bent axle red cover flange spare is risen to adjusting device.
Background
The marine semi-combined crankshaft components are assembled by utilizing the interference fit of the size of the shaft hole and adopting a shrink fit mode. Before assembly, the size of a hole of the crank is heated and expanded to meet the assembly clearance required by the process, the to-be-assembled side of the shaft is vertically hoisted with a neck facing downwards, the axis of the shaft and the central line of the hole are both adjusted to be vertical to the horizontal plane, the shaft is slowly hoisted to the position right above the hole and slowly descends, and the assembly operation is completed.
The weight range of the single-piece part of the marine semi-combined crankshaft is 6t-25t, the assembly depth is 220 mm and 430mm, and meanwhile, the process setting assembly clearance is small for ensuring the assembly precision requirement. Under the premise, the axis of the crane in the hanging state needs to be adjusted to be within 0.05mm/m of the horizontal plane so as to carry out assembly operation. This process is extremely difficult to operate and will waste a significant amount of time to adjust. Once the adjustment is unqualified or the shaft moves in the lifting process, the shaft is in an inclined state, and in the assembling process, the inclined side edge of the shaft is clamped in the crank hole and cannot fall to the assembling position, so that the assembling failure is caused. Therefore, the utility model relates to a red cover of marine bent axle is with playing to rise adjusting device is needed.
SUMMERY OF THE UTILITY MODEL
According to the technical problem provided by the invention, the special lifting adjusting device for the marine crankshaft shrink fit flange part is provided. The utility model discloses a technical means as follows:
a special lifting adjusting device for a marine crankshaft red sleeve flange piece comprises a triangular balance beam and three lifting supports fixed below the triangular balance beam, wherein each lifting support comprises a first base plate and a second base plate arranged below the first base plate, at least four holes are formed in the first base plate, the same holes are formed in the positions, matched with the holes of the first base plate, of the second base plate, a first stud and a second stud are installed in a group of diagonal holes, the top ends of the first stud and the second stud are connected with the triangular balance beam, and the bottom of the first stud and the bottom of the second stud are fixed below the second base plate; and a third stud and a fourth stud are arranged in the other group of diagonal holes, the bottom ends of the third stud and the fourth stud are connected with the lifting clamp, the top parts of the third stud and the fourth stud are fixed above the first base plate, a detachable supporting mechanism is accommodated in a space between the first base plate and the second base plate, and the supporting structure is used for adjusting the distance between the first base plate and the second base plate so as to accurately adjust the lifting distance of the lifting clamp.
Furthermore, the triangular balance beam comprises a triangular balance beam body and three hoisting parts, wherein the triangular balance beam body is an equilateral triangle, three corners of the triangular balance beam body extend to the outside for a certain distance, the three hoisting parts are vertically fixed on the extension part of the triangular balance beam body, a part of the hoisting part above the triangular balance beam body is provided with a first hoisting point, and the first hoisting point is matched with a crane sling; and a second lifting point is arranged on the part of the lifting part below the triangular balance beam body part, and the lifting support is connected to the second lifting point.
Furthermore, the second hanging points are a plurality of holes with the same specification, and the holes are uniformly arranged along the extension part of the body part of the triangular balance beam at equal intervals.
Furthermore, the top ends of the first stud and the second stud are connected with the triangular balance beam through a U-shaped buckle, the lower end of the U-shaped buckle is provided with a U-shaped opening, the upper sections of the first stud and the second stud are provided with holes, the first stud and the second stud stretch into the U-shaped opening, a hydraulic lifting support top connecting piece is arranged outside the U-shaped buckle, the hydraulic lifting support top connecting piece and the studs are fixed through fixing bolts, the upper end of the U-shaped buckle is provided with a screw hole, and the U-shaped buckle is fixed on the triangular balance beam through mounting bolts.
Furthermore, the supporting structure comprises a hydraulic jack, a first adjusting nut and a second adjusting nut are arranged on the first stud and the second stud, and the first adjusting nut and the second adjusting nut are arranged below the first base plate; and third and fourth adjusting nuts are arranged on the third stud and the fourth stud and are arranged above the second base plate.
Furthermore, a UU-shaped rotating buckle is arranged between the connecting piece at the bottom of the hydraulic lifting support and the lifting clamp, and is positioned by using a pin shaft.
Furthermore, four round holes are formed in the first base plate and the second base plate, and the connecting lines of the adjacent round holes form a square shape.
The utility model discloses confirm the hydraulic pressure lift support that needs rising adjustment according to the data of spirit level, installation hydraulic jack, along with pressure rising, first backing plate drives the lifting tongs and goes up and down, after highly rising assigned position, screws the location with adjusting nut, demolishs hydraulic jack, realizes quick, accurate completion adjustment, the utility model discloses structural design is simple reasonable, simple to operate, and the cost of manufacture is low, and maneuverability is strong, can realize fast that stable, accurate adjustment operation before the red cover of completion assembles, effectively reduces the adjustment operation degree of difficulty, guarantees the red cover of bent axle assembly operation quality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is an enlarged view of the lifting bracket of fig. 1.
Fig. 3 is a top view of the triangular balance beam in the embodiment of the present invention.
Fig. 4 is a schematic view of a U-shaped buckle structure in an embodiment of the present invention.
Fig. 5 is a front view of the connector in the embodiment of the present invention.
Fig. 6 is a top view of the connector in the embodiment of the present invention.
Fig. 7 is a front view of the backing plate according to the embodiment of the present invention.
Fig. 8 is a side view of the lifting bracket assembly according to an embodiment of the present invention.
Fig. 9 is a diagram of the working condition used in the embodiment of the present invention.
In the figure: 1. a triangular balance beam; 2. installing a bolt; 3. a U-shaped buckle; 4. fixing the bolt; 5. a hydraulic lifting support top connecting piece; 6. a third stud; 7. a fourth stud; 8. a first backing plate; 9. a first adjusting nut; 10. a second adjusting nut; 11. a hydraulic jack; 12. a third adjusting nut; 13. a fourth adjusting nut; 14. a second backing plate; 15. a first stud; 16. a second stud; 17. a hydraulic lifting support bottom connecting piece; 18. a pin shaft; 19. a UU-shaped rotary buckle; 20. hoisting clamp.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present 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.
As shown in fig. 1, 2, 8, this embodiment discloses a special lifting adjusting device that rises of marine crankshaft red cover flange spare, include the triangle compensating beam and fix three lifting support below the triangle compensating beam, lifting support includes first backing plate and sets up in the second backing plate of first backing plate below, four holes are seted up at least to first backing plate, same hole is seted up to the position that the second backing plate matches first backing plate hole, in this embodiment, four round holes are all seted up to first backing plate, second backing plate, and adjacent round hole line forms the square, specifically can be the square board of figure 7, or other regular patterns such as circular slab. A first stud and a second stud are arranged in one group of diagonal holes, the top ends of the first stud and the second stud are connected with the triangular balance beam, and the bottom parts of the first stud and the second stud are fixed below the second base plate; and a third stud and a fourth stud are arranged in the other group of diagonal holes, the bottom ends of the third stud and the fourth stud are connected with the lifting clamp, the top parts of the third stud and the fourth stud are fixed above the first base plate, a detachable supporting mechanism is accommodated in a space between the first base plate and the second base plate, and the supporting structure is used for adjusting the distance between the first base plate and the second base plate so as to accurately adjust the lifting distance of the lifting clamp.
As shown in fig. 3, the triangular balance beam comprises a triangular balance beam body and three lifting parts, wherein the triangular balance beam body is an equilateral triangle, three corners of the triangular balance beam body extend to the outside for a certain distance, the three lifting parts are vertically fixed on the extension part of the triangular balance beam body, a first lifting point is arranged on the part of the lifting part above the triangular balance beam body, and the first lifting point is matched with a crane lifting appliance; and a second lifting point is arranged on the part of the lifting part below the triangular balance beam body part, and the lifting support is connected to the second lifting point.
The second lifting points are a plurality of holes with the same specification, and the holes are uniformly arranged along the extension part of the body part of the triangular balance beam at equal intervals.
The top ends of the first stud and the second stud are connected with the triangular balance beam through a U-shaped buckle as shown in fig. 4, a U-shaped opening is formed in the lower end of the U-shaped buckle, the upper section of the first stud and the upper section of the second stud are provided with holes, a hydraulic lifting support bottom connecting piece is arranged outside the U-shaped buckle after the first stud and the second stud stretch into the U-shaped opening, the U-shaped buckle, the hydraulic lifting support bottom connecting piece and the studs are fixed through fixing bolts, a screw hole is formed in the upper end of the U-shaped buckle, and the U-shaped buckle is fixed on the triangular balance beam through mounting bolts.
The supporting structure comprises a hydraulic jack, a first adjusting nut and a second adjusting nut are arranged on the first stud and the second stud, and the first adjusting nut and the second adjusting nut are arranged below the first base plate; and third and fourth adjusting nuts are arranged on the third stud and the fourth stud and are arranged above the second base plate.
A UU-shaped rotating buckle is arranged between a connecting piece at the bottom of the hydraulic lifting support and the lifting clamp, and is positioned by using a pin shaft.
Fig. 5 and 6 show the connecting member in this embodiment, which has a regular shape, and the left and right sides are vertical round holes for the studs to pass through, and the center is a round hole for the fixing bolt to pass through.
The utility model discloses the installation step as follows: the third stud 6 and the fourth stud 7 are arranged on a connecting piece 17 at the bottom of the hydraulic lifting support, and the bottom is fixed by common nuts. Any group of diagonal holes of the second cushion plate 14 and the first cushion plate 8 are arranged on the third stud 6 and the fourth stud 7, common nuts are fixed at the top, then the first stud 15 and the second stud 16 are arranged on the other group of diagonal holes of the first cushion plate 8 and the second cushion plate 14, and common nuts are fixed at the bottom. And a first adjusting nut 9, a second adjusting nut 10, a third adjusting nut 12 and a fourth adjusting nut 13 are arranged between the second base plate 14 and the first base plate 8, and the distance between the first base plate 8 and the second base plate 14 is adjusted according to the height of the hydraulic ram base. The hydraulic lifting support is characterized in that a hydraulic lifting support top connecting piece 5 is installed at the top ends of a first stud 15 and a second stud 16 and is fixed through common nuts to form the hydraulic lifting support, wherein a third stud 6, a fourth stud 7, the first stud 15 and the second stud 16 not only play a supporting role, but also play a role in guiding the vertical lifting of a first base plate 8. A U-shaped buckle 3 is arranged between a connecting piece 5 at the top of the hydraulic lifting support and a triangular balance beam 1, two ends of the U-shaped buckle 3 are positioned through a mounting bolt 2 and a fixing bolt 4, a row of positioning holes are designed at each corner on the triangular balance beam 1, and the hydraulic lifting support can be installed through the positioning holes at the proper positions according to the size of the excircle of a workpiece. A UU-shaped rotating buckle 19 is arranged between the bottom connecting piece 17 of the hydraulic lifting support and the lifting clamp 20 and is positioned by using a pin shaft 18. And manufacturing the other two lifting appliances on the triangular balance beam 1 in the same way.
As shown in fig. 9, the utility model discloses the use on the product: the crane hoisting adjusting device moves to the position above a shaft to be assembled, the hoisting clamp 20 is installed on the flange excircle of the shaft, the inner side face of the hoisting clamp 20 is required to be in contact with the flange excircle, the hoisting clamp is hoisted to the position, 50mm away from the ground, of the lower plane of the shaft, a level meter is placed on the upper plane of the shaft, a hydraulic lifting support needing to be lifted and adjusted is determined according to data of the level meter, a hydraulic jack 11 is installed, and along with the pressure rising, the first base plate 8 drives the third stud 6, the fourth stud 7 and a hydraulic lifting support bottom connecting piece 17 to move upwards, and then the hoisting clamp 20 is driven to lift. After the height is raised to a designated position, the first adjusting nut 9, the second adjusting nut 10, the third adjusting nut 12 and the fourth adjusting nut 13 are screwed and positioned, the hydraulic jack 11 is disassembled, the adjustment can be completed quickly and accurately, and the assembling condition is met.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (7)
1. A special lifting adjusting device for a marine crankshaft red sleeve flange piece is characterized by comprising a triangular balance beam and three lifting supports fixed below the triangular balance beam, wherein each lifting support comprises a first base plate and a second base plate arranged below the first base plate, the first base plate is at least provided with four holes, the positions of the second base plates matched with the holes of the first base plate are provided with the same holes, a group of diagonal holes are provided with a first stud and a second stud, the top ends of the first stud and the second stud are connected with the triangular balance beam, and the bottom of the first stud and the bottom of the second stud are fixed below the second base plate; and a third stud and a fourth stud are arranged in the other group of diagonal holes, the bottom ends of the third stud and the fourth stud are connected with the lifting clamp, the top parts of the third stud and the fourth stud are fixed above the first base plate, a detachable supporting structure is accommodated in the space between the first base plate and the second base plate, and the supporting structure is used for adjusting the distance between the first base plate and the second base plate so as to accurately adjust the lifting distance of the lifting clamp.
2. The special lifting adjusting device for the marine crankshaft shrink fit flange piece according to claim 1, wherein the triangular balance beam comprises a triangular balance beam body part and three lifting parts, the triangular balance beam body part is an equilateral triangle, three corners of the triangular balance beam body part extend outwards for a certain distance, the three lifting parts are vertically fixed on the extension part of the triangular balance beam body part, a first lifting point is arranged on a part of each lifting part above the triangular balance beam body part, and the first lifting point is matched with a crane lifting appliance; and a second lifting point is arranged on the part of the lifting part below the triangular balance beam body part, and the lifting support is connected to the second lifting point.
3. The marine crankshaft shrink fit flange piece dedicated lifting adjustment device of claim 2, wherein the second lifting points are a plurality of holes with the same specification, and the holes are uniformly arranged along the extension part of the body part of the triangular balance beam at equal intervals.
4. The special lifting adjusting device for the marine crankshaft shrink fit flange piece according to claim 1, wherein the top ends of the first stud and the second stud are connected with the triangular balance beam through a U-shaped buckle, a U-shaped opening is formed in the lower end of the U-shaped buckle, holes are formed in the upper sections of the first stud and the second stud, a hydraulic lifting support top connecting piece is arranged outside the U-shaped buckle after the first stud and the second stud extend into the U-shaped opening, the U-shaped buckle, the hydraulic lifting support top connecting piece and the studs are fixed through fixing bolts, a screw hole is formed in the upper end of the U-shaped buckle, and the U-shaped buckle and the hydraulic lifting support top connecting piece and the studs are fixed on the triangular balance beam through mounting bolts.
5. The special lifting adjusting device for the marine crankshaft shrink fit flange piece according to claim 1, wherein the supporting structure comprises a hydraulic jack, a first adjusting nut and a second adjusting nut are arranged on the first stud and the second stud, and the first adjusting nut and the second adjusting nut are arranged below the first base plate; and third and fourth adjusting nuts are arranged on the third stud and the fourth stud and are arranged above the second base plate.
6. The special lifting adjusting device for the marine crankshaft shrink fit flange piece according to claim 1, wherein a UU-shaped rotating buckle is arranged between the bottom connecting piece of the hydraulic lifting support and the lifting clamp, and is positioned by using a pin shaft.
7. The special lifting adjusting device for the marine crankshaft shrink fit flange piece according to claim 1, wherein the first base plate and the second base plate are respectively provided with four round holes, and the connecting lines of the adjacent round holes form a square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021095473.1U CN212526780U (en) | 2020-06-12 | 2020-06-12 | Special lifting adjusting device for marine crankshaft shrink fit flange piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021095473.1U CN212526780U (en) | 2020-06-12 | 2020-06-12 | Special lifting adjusting device for marine crankshaft shrink fit flange piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212526780U true CN212526780U (en) | 2021-02-12 |
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ID=74548173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021095473.1U Withdrawn - After Issue CN212526780U (en) | 2020-06-12 | 2020-06-12 | Special lifting adjusting device for marine crankshaft shrink fit flange piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212526780U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111604683A (en) * | 2020-06-12 | 2020-09-01 | 大连华锐船用曲轴有限公司 | Special lifting adjusting device for marine crankshaft shrink fit flange piece |
-
2020
- 2020-06-12 CN CN202021095473.1U patent/CN212526780U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111604683A (en) * | 2020-06-12 | 2020-09-01 | 大连华锐船用曲轴有限公司 | Special lifting adjusting device for marine crankshaft shrink fit flange piece |
| CN111604683B (en) * | 2020-06-12 | 2023-08-18 | 大连华锐船用曲轴有限公司 | Special lifting adjusting device for marine crankshaft red sleeve flange piece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210212 Effective date of abandoning: 20230818 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20210212 Effective date of abandoning: 20230818 |