CN213592756U

CN213592756U - Mounting tool

Info

Publication number: CN213592756U
Application number: CN202022435233.8U
Authority: CN
Inventors: 李文达; 程俊锋; 牛军军; 吕秉琳
Original assignee: China Shipbuilding Power Engineering Institute Co Ltd
Current assignee: China Shipbuilding Power Engineering Institute Co Ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-07-02
Anticipated expiration: 2030-10-28

Abstract

The utility model belongs to the technical field of the engine, a mounting tool is disclosed for installing cylinder liner, connecting rod and piston in the frame of engine, the mounting tool includes first installation component and second installation component, first installation component includes joint portion and connecting portion, joint portion can with the boss looks joint on the cylinder liner, connecting portion link to each other with joint portion, and can dismantle with the piston and link to each other, in order to fix piston and cylinder liner mutually, in order to prevent that piston and cylinder liner from taking place relative movement in the installation; the second installation component can be dismantled with the main aspects of connecting rod and link to each other, and in the installation of cylinder liner, connecting rod and piston, link to each other the main aspects of second installation component and connecting rod, through the axial downwardly-pulled second installation component along the cylinder liner to in the installation of completion cylinder liner, connecting rod and piston, the while can also be at the in-process of installation, avoids the main aspects of connecting rod to collide with frame inner wall and cooling oil pipe, has promoted the installation effectiveness.

Description

Mounting tool

Technical Field

The utility model relates to the technical field of engines, especially, relate to a mounting tool.

Background

The engine is widely applied to vehicles such as automobiles, ships and the like, because the temperature of the piston is higher and the piston assembly needs lubricating oil for lubrication when the engine works, a cooling oil pipe needs to be arranged in a frame of the engine to spray the cooling lubricating oil into the piston so as to cool and lubricate the piston, in order to ensure that the oil pipe is positioned correctly and the cooling lubricating oil is finally and accurately sprayed into the piston, the cooling oil pipe is required to be installed before the cylinder sleeve and the piston connecting rod assembly are installed, however, most of the existing V-shaped engines adopt a bevel notch type connecting rod, the connecting rod is connected with the piston through a piston pin, therefore, the connecting rod rotates relative to the piston, and when the cylinder sleeve, the connecting rod and the piston are installed, the outer side of the large end of the connecting rod is easy to collide with the inner wall of the rack and the cooling oil pipe due to the fact that the inner space of the rack is small, and damage is caused to the cooling oil pipe.

Therefore, it is highly desirable to design an installation tool to avoid the collision of the connecting rod with the inner wall of the frame and the cooling oil pipe when installing the cylinder sleeve, the connecting rod and the piston, and to complete the installation of the cylinder sleeve, the connecting rod and the piston.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mounting tool to avoid when installation cylinder liner, connecting rod and piston, the connecting rod collides with frame inner wall and cooling oil pipe, and can accomplish the installation of cylinder liner, connecting rod and piston.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a mounting tool for install cylinder liner, connecting rod and piston in the frame of engine, wherein, the piston install in the cylinder liner, the connecting rod is worn to locate in the cylinder liner, just the tip of connecting rod articulate in the piston, through the adjustment the piston is in position in the cylinder liner, so that stretch out the main aspects of connecting rod the cylinder liner, mounting tool includes:

the first mounting assembly comprises a clamping portion and a connecting portion, the clamping portion can be clamped with a boss on the cylinder sleeve, and the connecting portion is connected with the clamping portion and can be detachably connected with the piston; and

and the second mounting assembly can be detachably connected with the large end of the connecting rod.

The mounting tool is used for mounting the cylinder sleeve, the connecting rod and the piston in a frame of an engine, and comprises a first mounting assembly and a second mounting assembly, wherein the first mounting assembly comprises a clamping part and a connecting part, the clamping part can be clamped with a boss on the cylinder sleeve, and the connecting part is connected with the clamping part and can be detachably connected with the piston so as to fix the piston and the cylinder sleeve and prevent the piston and the cylinder sleeve from moving relatively in the mounting process; the second installation component can be dismantled with the main aspects of connecting rod and link to each other, and in the installation of cylinder liner, connecting rod and piston, link to each other the main aspects of second installation component and connecting rod, through the axial downwardly-pulled second installation component along the cylinder liner to in the installation of completion cylinder liner, connecting rod and piston, the while can also be at the in-process of installation, avoids the main aspects of connecting rod to collide with frame inner wall and cooling oil pipe, has promoted the installation effectiveness.

Preferably, the connection portion includes:

the main body is connected with the clamping part; and

and the first connecting piece is used for detachably connecting the main body with the piston.

The main part of connecting portion can link to each other with joint portion, and the first connecting piece of connecting portion can make the main part can dismantle with the piston and link to each other to make piston and cylinder liner fixed mutually, be convenient for moreover dismantle after the installation is accomplished.

Preferably, the first connecting piece comprises a first threaded column, a mounting hole is formed in the main body, and the first connecting piece can penetrate through the mounting hole through the first threaded column to be connected with a threaded hole in the piston.

The first connecting piece comprises a first threaded column, the first threaded column can penetrate through the mounting hole to be connected with a threaded hole in the piston, so that the piston is connected with the first mounting assembly, and the first connecting piece is simple in structure and convenient to connect with the piston.

Preferably, the clamping portion includes:

one end of the first clamping piece is connected with the main body;

the second clamping piece is arranged at an interval with the first clamping piece; and

the second connecting piece, connect in first joint spare with second joint spare is kept away from the one end of main part to form U type structure, the boss can the joint in the U type structure.

Joint portion includes first joint spare, second joint spare and second connecting piece, and first joint spare sets up with second joint spare interval, and the second connecting piece is connected in the one end that main part was kept away from to first joint spare and second joint spare to make this joint portion form U type structure, in order to with the boss joint on the cylinder liner in this U type structure, the joint portion simple structure of this structure, the cylinder liner of being convenient for links to each other with first installation component fast.

Preferably, one end of the first clamping piece, which is connected with the main body, is provided with a step structure, and the end face of the main body can abut against the step surface of the step structure.

The stair structure on the first joint spare can make the terminal surface of main part can the butt on stair structure's step face to joint portion links to each other with connecting portion, can also prevent simultaneously that joint portion from taking place relative rotation with connecting portion after connecting portion link to each other with connecting portion.

Preferably, the first clip is provided with a lifting portion by which the first mounting unit can be lifted.

Through the portion of lifting by crane that sets up on the first joint spare, can be convenient for lift by crane first installation component, and then lift by crane cylinder liner, piston and connecting rod through first installation component to wait to install.

Preferably, the first clamping piece is provided with a first threaded hole, the lifting part is a bolt, the bolt is in threaded connection with the first threaded hole, and a gap is formed between the bolt head of the bolt and the first clamping piece.

The lifting part is a bolt, the bolt can be in threaded connection with a first threaded hole in the first clamping piece, and a gap between the bolt head of the bolt and the first clamping piece is formed so as to facilitate installation of the lifting tool.

Preferably, the clamping portions are provided with a plurality of groups, and the plurality of groups of clamping portions are uniformly arranged along the circumferential edge of the main body.

The circumference limit of multiunit joint portion edge main part evenly sets up, and multiunit joint portion can disperse the bearing power to the boss of cylinder liner to make cylinder liner, piston and connecting rod lift by crane steadily.

Preferably, the second mounting assembly comprises:

the first mounting part comprises a second threaded column, and the first mounting part can be in threaded connection with a threaded hole in the large end of the connecting rod through the second threaded column; and

and the second mounting part is connected with the first mounting part.

The first installation part can be connected with the thread of the threaded hole on the big end of the connecting rod through the second threaded column, and the second installation part is connected with the first installation part, so that an operator can conveniently connect the second installation component with the connecting rod and install and operate the cylinder sleeve, the connecting rod and the piston after connection.

Preferably, the first installation part and the second installation part are arranged at an included angle, and the included angle is an obtuse angle.

The first installation part and the second installation part are arranged at an included angle, the included angle is an obtuse angle, and the structure can facilitate operation of operators so as to connect the second installation assembly with the connecting rod and install and operate the cylinder sleeve, the connecting rod and the piston after connection.

The utility model has the advantages that:

the utility model provides an installation tool, which is used for installing a cylinder sleeve, a connecting rod and a piston in a frame of an engine and comprises a first installation component and a second installation component, wherein the first installation component comprises a clamping part and a connecting part, the clamping part can be clamped with a boss on the cylinder sleeve, and the connecting part is connected with the clamping part and can be detachably connected with the piston so as to fix the piston and the cylinder sleeve and prevent the piston and the cylinder sleeve from moving relatively in the installation process; the second installation component can be dismantled with the main aspects of connecting rod and link to each other, and in the installation of cylinder liner, connecting rod and piston, link to each other the main aspects of second installation component and connecting rod, through the axial downwardly-pulled second installation component along the cylinder liner to in the installation of completion cylinder liner, connecting rod and piston, the while can also be at the in-process of installation, avoids the main aspects of connecting rod to collide with frame inner wall and cooling oil pipe, has promoted the installation effectiveness.

Drawings

FIG. 1 is a schematic view of the attachment of the installation tool to a cylinder liner, a connecting rod and a piston in a frame according to the present invention;

FIG. 2 is a first schematic view of the attachment of the installation tool to the cylinder liner, the connecting rod and the piston according to the present invention;

FIG. 3 is a second schematic view of the attachment of the installation tool to the cylinder liner, the connecting rod and the piston according to the present invention;

fig. 4 is a schematic view of a first mounting assembly of the mounting tool of the present invention;

fig. 5 is a schematic view of a second mounting assembly of the mounting tool of the present invention.

In the figure:

1. a first mounting assembly; 2. a second mounting assembly;

11. a clamping part; 12. a connecting portion; 21. a first mounting portion; 22. a second mounting portion;

100. a cylinder liner; 200. a connecting rod; 300. a piston; 400. cooling the oil pipe; 500. a frame; 111. a first clip member; 112. a second clip member; 113. a second connecting member; 121. a main body; 122. a first connecting member;

1111. a step structure; 1112. a lifting part.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

The utility model provides a mounting tool for install cylinder liner, connecting rod and piston in the frame of engine, wherein, the piston is installed in the cylinder liner, and in the cylinder liner was worn to locate by the connecting rod, and the tip of connecting rod articulates in the piston, through the position of adjustment piston in the cylinder liner, so that the main aspects of connecting rod stretches out the cylinder liner. In this embodiment, the installation tool is used to install the cylinder liner, connecting rod and piston within the frame of a V-type engine. As shown in fig. 1-3, the mounting tool includes a first mounting assembly 1 and a second mounting assembly 2, the first mounting assembly 1 can fix the piston 300 with the cylinder liner 100 to prevent the piston 300 from moving relative to the cylinder liner 100 during mounting, the first mounting assembly 1 includes a clamping portion 11 and a connecting portion 12, the clamping portion 11 can be clamped with a boss on the cylinder liner 100, and the connecting portion 12 is connected with the clamping portion 11 and can be detachably connected with the piston 300; the second installation assembly 2 can be detachably connected with the large end of the connecting rod 200, so that the connecting rod 200 does not collide with the cooling oil pipe 400 in the installation process of the cylinder sleeve 100, the connecting rod 200 and the piston 300, the installation tool can complete the installation operation of the cylinder sleeve 100, the connecting rod 200 and the piston 300, and meanwhile, the large end of the connecting rod 200 is prevented from colliding with the inner wall of the rack and the cooling oil pipe 400 in the installation process, and the installation efficiency is improved.

As shown in fig. 2 and 3, the connecting portion 12 includes a main body 121 and a first connecting member 122, the main body 121 being connectable with the clamping portion 11; first connector 122 enables removable coupling of body 121 to piston 300 to secure piston 300 to cylinder liner 100.

Further, the first connecting element 122 includes a first threaded column, a mounting hole is formed in the body 121, and the first connecting element 122 can pass through the mounting hole through the first threaded column to connect with a threaded hole in the piston 300, so as to connect the piston 300 with the first mounting assembly 1; the first connecting member 122 is a bolt, and since the bolt is a standard member, the manufacturing cost and the using cost of the installation tool can be reduced.

As shown in fig. 4, the clamping portion 11 includes a first clamping member 111, a second clamping member 112 and a second connecting member 113, one end of the first clamping member 111 is connected with the main body 121; the second clamping piece 112 and the first clamping piece 111 are arranged at intervals; the second connecting member 113 is connected to the ends of the first and

second clamping members

111 and 112 far away from the main body 121, so that the clamping portion 11 forms a U-shaped structure, and the boss on the cylinder sleeve 100 is clamped in the U-shaped structure, so that the cylinder sleeve 100 is connected to the first mounting assembly 1. Specifically, a through hole is formed in the first clamping member 111, a second threaded through hole is correspondingly formed in the main body 121 of the connecting portion 12, the through hole is opposite to the second threaded through hole, and a bolt is arranged in the through hole and the second threaded through hole to connect the clamping portion 11 with the connecting portion 12. In order to make the connection between the clamping portion 11 and the connecting portion 12 more secure, in this embodiment, the through hole and the second threaded through hole are both provided with two sets.

Further, a lifting portion 1112 is movably provided on the first clamp 111, and the first mounting assembly 1 can be lifted by the lifting portion 1112, and the cylinder liner 100, the piston 300, and the connecting rod 200 are lifted by the first mounting assembly 1 to be mounted. Further, a first threaded hole is formed in the first clamping member 111, the lifting portion 1112 is a bolt, the bolt is in threaded connection with the first threaded hole, a gap is formed between a head of the bolt and the first clamping member 111, and the lifting device is installed through the gap, so that the cylinder sleeve 100, the piston 300 and the connecting rod 200 can be conveniently lifted through the first installation assembly 1. In order to stably lift the cylinder liner 100, the piston 300, and the connecting rod 200 by the lifting portions 1112, in the present embodiment, the lifting portions 1112 are provided with two sets, that is, two bolts, and the first clamping member 111 is provided with two first threaded holes, so that the lifting process can be more stable by providing the lifting portions 1112 in the two first threaded holes.

In order to facilitate the stable connection of the clamping portion 11 and the connecting portion 12, the one end of the first clamping member 111 connected to the main body 121 is provided with the step structure 1111 (as shown in fig. 4), the end surface of the main body 121 can abut against the step surface of the step structure 1111, so that the clamping portion 11 is stably connected to the connecting portion 12, and meanwhile, after the clamping portion 11 is connected to the connecting portion 12, the clamping portion 11 and the connecting portion 12 are prevented from rotating relatively.

In order to disperse the lifting force of the lifting parts 1112 on the cylinder sleeve 100, the piston 300 and the connecting rod 200 during lifting, a plurality of groups of clamping parts 11 are uniformly arranged on the circumferential edge of the main body 121 of the connecting part 12, and each group of clamping parts 11 is provided with two groups of lifting parts 1112, so that the lifting force of the lifting parts 1112 on the first mounting assembly 1 and the bearing force of the clamping parts 11 on the boss of the cylinder sleeve 100 are dispersed, and the cylinder sleeve 100, the piston 300 and the connecting rod 200 can be stably lifted.

As shown in fig. 5, the second mounting assembly 2 includes a first mounting portion 21 and a second mounting portion 22, the first mounting portion 21 includes a second threaded post through which the first mounting portion 21 can be threadedly coupled to a threaded bore on the large end of the connecting rod 200; the second mounting portion 22 is connected to the first mounting portion 21, so that an operator can conveniently connect the second mounting assembly 2 to the connecting rod 200 and perform mounting operation on the cylinder sleeve 100, the connecting rod 200 and the piston 300 after connection, preferably, in order to facilitate the operator to screw the second threaded stud into a threaded hole at the large end of the connecting rod 200, in the embodiment, the first mounting portion 21 and the second mounting portion 22 are arranged at an included angle, and the included angle is an obtuse angle, and optionally, the included angle can be automatically adjusted according to specific use conditions.

Since the first mounting assembly 1 contacts the cylinder liner 100 or the piston 300 during the mounting process, in order to prevent the first mounting assembly 1 from scratching the cylinder liner 100 or the piston 300 during the contact, the main body 121 and the clamping portion 11 of the connecting portion 12 should be made of a material with hardness lower than that of the cylinder liner 100 and the piston 300, so as to prevent the cylinder liner 100 or the piston 300 from being damaged by a mounting tool.

When the cylinder liner 100, the connecting rod 200 and the piston 300 are installed using the installation tool, since the piston 300 is already mounted to the top end of the cylinder liner 100 before the cylinder liner 100, the connecting rod 200 and the piston 300 are mounted, the small end of the connecting rod 200 is hinged to the piston 300, and the installation of the cooling oil pipe 400 (as shown in fig. 1) has been completed, so that the cylinder casing 100, the connecting rod 200 and the piston 300 need to be installed to avoid collision, increasing the difficulty of installation, first, the body 121 of the connecting portion 12 and the piston 300 are connected by the first connecting member 122, then, the clamping part 11 is clamped on the boss of the frame 500, the clamping part 11 is connected with the main body 121 of the connecting part 12 through the through hole and the fixing piece arranged in the first threaded hole, then, the hoisting part 1112 is installed in the first threaded hole of the first clamping piece 111 to hoist the whole cylinder sleeve 100, the piston 300 and the connecting rod 200; after being lifted to a proper position, the second mounting assembly 2 slowly falls down, the second mounting assembly 2 is mounted in a bolt hole on one side of the large end of the connecting rod 200 from the inside of the rack 500, and the second mounting assembly 2 is pulled from the inside of the rack 500 in the falling process of the cylinder sleeve 100, the piston 300 and the connecting rod 200, so that the connecting rod 200 is ensured not to collide with the inner walls of the cooling oil pipe 400 and the rack 500; after the bottom of the clamping portion 11 of the first mounting assembly 1 contacts the frame 500, the first connecting piece 122 is loosened, the piston 300 and the connecting rod 200 continuously fall down, after the piston falls to a proper position, the second mounting assembly 2 is removed, then the connecting rod 200 falls onto a crank pin of a crankshaft, a large-end bearing cover is fixedly connected with the connecting rod 200 through a bolt at the large end of the connecting rod 200, the piston 300 and the connecting rod 200 are mounted, then the clamping portion 11 and the first connecting piece 122 are sequentially removed, the first mounting assembly 1 is removed, finally, the cylinder sleeve 100 is pressed into the frame 500 through a special tool, and the cylinder sleeve 100 is mounted.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An installation tool, for installing a cylinder sleeve (100), a connecting rod (200) and a piston (300) in a frame (500) of an engine, wherein the piston (300) is installed in the cylinder sleeve (100), the connecting rod (200) is arranged in the cylinder sleeve (100) in a penetrating way, the small end of the connecting rod (200) is hinged to the piston (300), and the large end of the connecting rod (200) extends out of the cylinder sleeve (100) by adjusting the position of the piston (300) in the cylinder sleeve (100), the installation tool comprises:

the first mounting assembly (1) comprises a clamping portion (11) and a connecting portion (12), the clamping portion (11) can be clamped with a boss on the cylinder sleeve (100), and the connecting portion (12) is connected with the clamping portion (11) and can be detachably connected with the piston (300); and

a second mounting assembly (2), the second mounting assembly (2) being detachably connectable to the large end of the connecting rod (200).

2. The mounting tool according to claim 1, wherein the connecting portion (12) comprises:

a main body (121) connected to the clip section (11); and

a first connector (122) for detachably connecting the body (121) to the piston (300).

3. The mounting tool according to claim 2, wherein the first connector (122) comprises a first threaded post, and wherein the body (121) is provided with a mounting hole through which the first connector (122) can be connected to the threaded hole of the piston (300).

4. The mounting tool according to claim 2, wherein the snap-in portion (11) comprises:

a first clamping piece (111) with one end connected with the main body (121);

a second clamping piece (112) arranged at an interval with the first clamping piece (111); and

second connecting piece (113), connect in first joint spare (111) with second joint spare (112) is kept away from the one end of main part (121) to form U type structure, the boss can the joint in the U type structure.

5. The mounting tool according to claim 4, characterized in that one end of the first snap-in member (111) connected with the main body (121) is provided with a step structure (1111), and the end surface of the main body (121) can abut on the step surface of the step structure (1111).

6. The mounting tool according to claim 4, wherein the first clip (111) is provided with a lifting portion (1112), and the first mounting assembly (1) can be lifted by the lifting portion (1112).

7. The mounting tool according to claim 6, wherein the first clamping member (111) is provided with a first threaded hole, the lifting portion (1112) is a bolt, the bolt is screwed in the first threaded hole, and a gap is formed between a bolt head of the bolt and the first clamping member (111).

8. The mounting tool according to any one of claims 2-7, wherein the snap-in portions (11) are provided in a plurality of sets, the plurality of sets of snap-in portions (11) being evenly arranged along a circumferential edge of the main body (121).

9. Installation tool according to any of claims 1-7, characterized in that the second installation component (2) comprises:

the first mounting part (21) comprises a second threaded column, and the first mounting part (21) can be in threaded connection with a threaded hole in the large end of the connecting rod (200) through the second threaded column; and

a second mounting portion (22) connected to the first mounting portion (21).

10. The mounting tool according to claim 9, wherein the first mounting portion (21) is arranged at an included angle with the second mounting portion (22), and the included angle is an obtuse angle.