Large gas engine piston hoisting tool

Abstract

The utility model relates to a large-scale gas engine piston hoisting tool which comprises a hoisting plate, notches are formed in the two ends of the hoisting plate, adjusting sleeves are further arranged at the two ends of the hoisting plate in a sliding and sleeving mode, sliding openings are formed in the adjusting sleeves, fastening bolts are arranged in the sliding openings, fastening units are arranged between the adjusting sleeves and the hoisting plate, and the fastening units are connected with the hoisting plate. According to the piston lifting device, due to the fact that the adjusting sleeve is arranged in a sliding mode, the adjusting sleeve can be adjusted to different positions in a sliding mode according to the diameter of a piston, the piston is fixed, and then the piston is conveniently lifted into a cylinder body. And pistons with different diameters can be hoisted, and the application range is wide.

Description

Technical Field

[0001] The utility model relates to the technical field of hoisting tooling, in particular to a hoisting tooling for a large gas engine piston. Background Art

[0002] For large gas engines, as the cylinder diameter increases, the diameter and weight of the piston also increase. Therefore, for the installation of the engine piston, the piston needs to be hoisted and installed in the cylinder body, and the hoisting requires the assistance of hoisting tooling;

[0003] After investigation, it was found that most of the lifting tools in the existing technology are as follows Figure 1 As shown, two fastening bolts 3 are respectively threadedly connected to the two lifting holes of the piston, and then the piston is lifted by hanging the lifting ring on the lifting rod 7 through the lifting rope.

[0004] There will be the following disadvantages: the length of the hanging plate in the lifting tool is fixed, so it can only correspond to pistons of fixed sizes. In reality, the diameters of pistons are different, so it is impossible to meet the installation of pistons of different diameters. Utility Model Content

[0005] The length of the hanging plate in the existing installation tool is fixed, so it can only correspond to pistons of fixed sizes. In reality, the diameters of pistons are different, so the technical problem of not being able to meet the installation of pistons of different diameters is solved. The utility model provides a large gas engine piston lifting tool.

[0006] The technical solution adopted by the utility model is: a large gas engine piston lifting tool, including a hanging plate, both ends of the hanging plate are provided with notches, both ends of the hanging plate are also slidably sleeved with adjustment sleeves, the adjustment sleeve is provided with a sliding mouth, the sliding mouth is provided with a fastening bolt, a fastening unit is provided between the adjustment sleeve and the hanging plate, and the fastening unit is used to detachably fix the adjustment sleeve to the outside of the hanging plate.

[0007] By adopting the above technical solution, pistons with different diameters can be connected and fixed.

[0008] Furthermore, a threaded hole is provided at the center of the hanging plate, a hanging rod is threadedly connected inside the threaded hole, and a hanging ring is fixedly connected to the outside of the hanging rod.

[0009] By adopting the above technical solution, it is convenient to pass the lifting rope to lift it.

[0010] Furthermore, the fastening unit includes a slide groove arranged on the hanging plate, a slider slidably connected in the slide groove, a connecting plate fixedly connected to the outside of the slider, and a positioning bolt threadedly connected to the connecting plate.

[0011] By adopting the above technical solution, the position of the adjustment sleeve can be conveniently fixed.

[0012] Furthermore, two slide grooves are symmetrically arranged on the hanging plate, and two sliders are slidably connected in each of the slide grooves, and the sliders are fixedly connected to the adjustment sleeve.

[0013] By adopting the above technical solution, the sliding block can be driven to slide when the adjusting sleeve is slid.

[0014] Furthermore, a magnetic block is fixedly embedded in the bottom end of the sliding block, and an iron sheet is fixedly embedded in the inner bottom end of the sliding groove.

[0015] By adopting the above technical solution, the adjustment sleeve can be kept firmly.

[0016] Furthermore, one end of the adjustment sleeve is an arc-shaped structure.

[0017] By adopting the above technical solution, it can be matched with the cylinder body.

[0018] Furthermore, the size of the sliding opening is consistent with that of the notch.

[0019] By adopting the above technical solution, the fastening bolt can be passed through.

[0020] The beneficial effect of the utility model is that compared with the prior art, in the utility model, the adjusting sleeve is slidingly arranged, so that the adjusting sleeve can be slidingly adjusted to different positions according to the diameter of the piston, thereby fixing the piston and then conveniently hoisting it into the cylinder body. Therefore, in this application, pistons of different diameters can be hoisted, and the scope of application is wide. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a hanging plate in the prior art;

[0022] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 3 It is a schematic diagram of the axonometric structure of the utility model;

[0024] Figure 4 It is a structural schematic diagram of the adjusting sleeve and the hanging plate in the utility model;

[0025] Figure 5 It is a structural schematic diagram of the hanging plate in the utility model.

[0026] The markings in the figure are: 1. hanging plate; 2. notch; 3. fastening bolt; 4. adjusting sleeve; 5. sliding mouth; 6. threaded hole; 7. hanging rod; 8. sliding groove; 9. sliding block; 10. connecting plate; 11. positioning bolt. DETAILED DESCRIPTION

[0027] In the description of the present invention, it should be noted that the terms "front", "up", "down", "left", "right", "vertical", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] The following is combined with Figure 1-5 The utility model is further described.

[0030] In order to solve the problems existing in the background technology, the present application proposes the following technical solution: a large gas engine piston lifting tool.

[0031] The specific technical solution includes a hanging plate 1, both ends of which are provided with slots 2 for passing fastening bolts 3, and adjusting sleeves 4 are also slidably provided at both ends of the hanging plate 1, and a sliding mouth 5 is provided on the adjusting sleeve 4, and a fastening bolt 3 is provided in the sliding mouth 5. By sliding the position of the adjusting sleeve 4, it can be adjusted according to the diameter of the piston, so as to facilitate the threaded fixation of the fastening bolt 3 and the piston.

[0032] The further design is as follows

[0033] A threaded hole 6 is also provided in the center of the hanging plate 1, and a hanging rod 7 is connected to the threaded hole 6, and a hanging ring is fixedly connected to the outside of the hanging rod 7. The outside of the hanging rod 7 is provided with an external thread, so that a threaded connection with the threaded hole 6 is realized. Through the setting of the hanging ring, it is convenient to connect with the lifting equipment to lift the piston.

[0034] In order to fix the position of the adjustment sleeve 4 , a fastening unit is provided between the adjustment sleeve 4 and the hanging plate 1 , and the fastening unit is used to detachably and fixedly connect the adjustment sleeve 4 to the outside of the hanging plate 1 .

[0035] The specific design is as follows

[0036] The fastening unit includes a slide groove 8 arranged on the hanging plate 1 , a slider 9 slidably connected in the slide groove 8 , a connecting plate 10 fixedly connected to the outside of the slider 9 , and a positioning bolt 11 threadedly connected to the connecting plate 10 .

[0037] The further design is as follows: two slide grooves 8 are symmetrically provided on the hanging plate 1, the slide opening 5 is consistent in size with the slot opening 2, and two sliders 9 are slidably connected in each slide groove 8. The slider 9 is fixedly connected to the adjustment sleeve 4, so when the adjustment sleeve 4 is slid, it can drive the slider 9 to slide in the slide groove 8, and a magnetic block is fixedly embedded at the bottom end of the slider 9, and an iron sheet is fixedly embedded at the inner bottom end of the slide groove 8, so it has a certain adsorption force, which makes the position of the adjustment sleeve 4 more stable after being fixed. At the same time, one end of the adjustment sleeve 4 is an arc structure.

[0038] Please refer to the following operation for details.

[0039] First, according to the diameter of the piston, slide and adjust the positions of the two adjusting sleeves 4 so that the fastening bolts 3 can be threadedly connected with the piston, and then use a wrench to rotate the positioning bolts 11 so that the positioning bolts 11 are fixed against the outside of the hanging plate 1, thereby fixing the positions of the slider 9 and the adjusting sleeve 4; then thread the hanging rod 7 into the threaded hole 6 on the hanging plate 1, and then use the lifting equipment to lift the piston for installation.

[0040] In the utility model, the adjusting sleeve 4 is slidingly arranged, and the adjusting sleeve 4 can be slidingly adjusted to different positions according to the diameter of the piston, so that the piston can be fixed and then conveniently hoisted into the cylinder body. Therefore, in this application, pistons of different diameters can be hoisted, and the application range is wide.

[0041] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0042] Although the embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A large gas engine piston lifting tool, comprising a lifting plate (1), characterized in that: Both ends of the hanging plate (1) are provided with slots (2), and both ends of the hanging plate (1) are also slidably provided with adjustment sleeves (4), and the adjustment sleeve (4) is provided with a sliding opening (5), and a fastening bolt (3) is provided in the sliding opening (5), and a fastening unit is provided between the adjustment sleeve (4) and the hanging plate (1), and the fastening unit is used to detachably and fixedly connect the adjustment sleeve (4) to the outside of the hanging plate (1).

2. The large gas engine piston lifting tool according to claim 1 is characterized in that: A threaded hole (6) is provided at the center of the hanging plate (1), a hanging rod (7) is internally threadedly connected to the threaded hole (6), and a hanging ring is fixedly connected to the outside of the hanging rod (7).

3. The large gas engine piston lifting tool according to claim 1 is characterized in that: The fastening unit comprises a slide groove (8) arranged on the hanging plate (1), a slider (9) slidably connected in the slide groove (8), a connecting plate (10) fixedly connected to the outside of the slider (9), and a positioning bolt (11) threadedly connected to the connecting plate (10).

4. The large gas engine piston lifting tool according to claim 3 is characterized in that: Two slide grooves (8) are symmetrically arranged on the hanging plate (1), and two sliding blocks (9) are slidably connected in each of the slide grooves (8), and the sliding blocks (9) are fixedly connected to the adjustment sleeve (4).

5. The large gas engine piston lifting tool according to claim 4, characterized in that: A magnetic block is fixedly embedded at the bottom end of the sliding block (9), and an iron sheet is fixedly embedded at the inner bottom end of the sliding groove (8).

6. The large gas engine piston lifting tool according to claim 4, characterized in that: One end of the adjustment sleeve (4) is an arc-shaped structure.

7. The large gas engine piston lifting tool according to claim 6, characterized in that: The sliding opening (5) has the same size as the slot opening (2).

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