Cross head pin installation auxiliary tool

Abstract

The utility model discloses a crosshead pin installation auxiliary tool which comprises a balance rod body, a fixed hanging ring is installed in the center of the balance rod body, a rotating piece is connected to the fixed hanging ring in a rotating mode, a rope is installed on the rotating piece, a lifting flange is installed at one end of the balance rod body, a fixing bolt is arranged on the lifting flange, and the fixing bolt is connected with the rope. One end of the balance rod body is provided with a fixing bolt, the fixing bolt penetrates through the hoisting flange and is horizontally arranged, the other end of the balance rod body is provided with a small balance block, the balance rod body is provided with a large balance block, the small balance block and the large balance block penetrate through the balance rod body and are horizontally arranged, and one side of the balance rod body is provided with a fixing limiting plate. The tool has the advantages that the tool is simple in structure, convenient to operate and suitable for installation of crosshead pins of different specifications and models, applicability is improved, balance and stability are improved, and safety risks in the operation process are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a compressor installation tool technical field, concretely is a crosshead pin installation auxiliary tool. BACKGROUND

[0002] Reciprocating compressors are often used in petrochemical projects, especially large reciprocating compressors. During installation of the reciprocating compressor, the crosshead pin of the reciprocating compressor is in the shape of a cylinder and needs to be inserted into the crosshead copper sleeve.

[0003] The existing compressor installation method adopts manual installation operation without installation auxiliary tools, and the installation operation is extremely inconvenient. The crosshead pin is heavy and can easily injure or bruise the operator, which poses a safety hazard. The labor intensity of the operator is high, and the installation efficiency is low.

[0004] It should be noted that the above content belongs to the technical cognition of the inventor and does not necessarily constitute the prior art. INVENTION CONTENTS

[0005] The utility model discloses a crosshead pin installation auxiliary tool to solve the above -mentioned problem.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A crosshead pin installation auxiliary tool, comprising a balance lever body, a fixed lifting ring is installed at the center of the balance lever body, a rotating piece is rotatably connected to the fixed lifting ring, a rope is installed on the rotating piece, a lifting flange is installed at one end of the balance lever body, a fixed bolt is arranged on the lifting flange, the fixed bolt penetrates through the lifting flange and is arranged horizontally, a small balance block is arranged at the other end of the balance lever body, a large balance block is arranged on the balance lever body, the small balance block and the large balance block penetrate through the balance lever body and are arranged horizontally, and a fixed limiting plate is installed on one side of the balance lever body.

[0008] Further, vertical through holes are arranged on the small balance block and the large balance block, a press switch is installed on the small balance block and the large balance block respectively, the push rod of the press switch extends into the vertical through hole, a rubber anti-skid pad is installed on the push rod of the press switch, and the rubber anti-skid pad is in contact with the balance lever body.

[0009] Further, a H-shaped fixed plate is installed on the balance lever body, the H-shaped fixed plate is arranged horizontally below the balance lever body, a bubble level is installed on the H-shaped fixed plate, and the bubble level is located at the center below the balance lever body.

[0010] Further, the middle part of the balance lever body is a round rod, the two end rod parts of the balance lever body are rectangular, and the small balance block and the large balance block are in sliding connection with the balance lever body.

[0011] Further, the small balance block and the large balance block are different in size and weight and can be replaced according to requirements, and the rope is made of a material high in strength and good in wear resistance.

[0012] Compared with the prior art, the technical scheme has the following beneficial effects:

[0013] The cross head pin is fixed through the fixing bolt, the cross head pin is prevented from shaking, the balance block plays a role in balancing weight, the balance lever body is kept horizontal, the balance lever body is horizontally moved through the rope, the cross head pin can smoothly enter the cross head body, the fixing bolt is loosened after the cross head pin is installed in place, and the auxiliary tool is removed, the tool structure is simple, operation is facilitated, the tool is suitable for cross head pin installation of different specifications and models, and applicability is improved.

[0014] The balance lever body is kept in a horizontal position by observing the position of the bubble in the bubble level, the rubber antiskid pad is driven downward by the push rod on the press switch after the balance lever body reaches the horizontal position through leftward and rightward horizontal movement of the small balance block and the large balance block, the rubber antiskid pad is in contact with the balance lever body, the position of the small balance block and the large balance block is prevented from being deviated in the movement process of the balance lever body, balance and stability are improved, and the safety risk in the operation process is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the cross head pin installation auxiliary tool.

[0016] Figure 2 It is an enlarged sectional view of the small balance block.

[0017] Figure 3 It is Figure 1 It is a local enlarged view of A in the middle.

[0018] In the drawing: 1, balance lever body; 2, fixed lifting ring; 3, rotating part; 4, rope; 5, hoisting flange; 6, fixing bolt; 7, small balance block; 8, large balance block; 9, fixed limiting plate; 10, vertical through hole; 11, press switch; 12, rubber antiskid pad; 13, U-shaped fixed plate; 14, bubble level. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the embodiments of the utility model will be clearly and completely explained in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0020] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, in the description of the utility model, the meaning of "multiple" is two or more, unless otherwise explicitly and specifically limited.

[0021] The utility model provides a kind of crosshead pin installation auxiliary tool as Figures 1-3 As shown in a kind of crosshead pin installation auxiliary tool, including balance lever body 1, fixed lifting ring 2 is installed at the center of balance lever body 1, rotating piece 3 is rotatably connected on fixed lifting ring 2, rope 4 is installed on rotating piece 3, lifting flange 5 is installed at one end of balance lever body 1, fixed bolt 6 is equipped on lifting flange 5, fixed bolt 6 penetrates lifting flange 5 and is horizontally arranged, small counterweight 7 is equipped at the other end of balance lever body 1, large counterweight 8 is equipped on balance lever body 1, small counterweight 7 and large counterweight 8 penetrate balance lever body 1 and are horizontally arranged, fixed limiting plate 9 is installed at one side of balance lever body 1.

[0022] When using, crosshead pin is placed at one side of lifting flange 5, crosshead pin is fixed by fixed bolt 6, one end of crosshead pin contacts with lifting flange 5, to avoid crosshead pin to shake, small counterweight 7 is sleeved at the end of balance lever body 1 away from lifting flange 5, small counterweight 7 can slide left and right on balance lever body 1, small counterweight 7 plays the role of balancing weight, small counterweight 7 and large counterweight 8 are limited by fixed limiting plate 9, so that balance lever body 1 remains horizontal, fixed lifting ring 2 and balance lever body 1 can be rotated by rotating piece 3, the position of crosshead pin is conveniently adjusted, balance lever body 1 is lifted by rope 4, balance lever body 1 is transversely moved by rope 4, so that crosshead pin can smoothly enter crosshead body, after crosshead pin is installed in place, fixed bolt 6 is loosened, and the auxiliary tool is removed, the tool structure is simple, convenient to operate, suitable for different specifications and models of crosshead pin installation, improve applicability.

[0023] Referring to the drawings Figure 1 and the drawings Figure 2 The small balancing block 7 and the large balancing block 8 are provided with vertical through holes 10, and the small balancing block 7 and the large balancing block 8 are respectively provided with press switches 11, the push rods of the press switches 11 extend into the vertical through holes 10, and rubber non-slip pads 12 are installed on the push rods of the press switches 11 and are in contact with the balancing rod body 1.

[0024] The small balancing block 7 and the large balancing block 8 can be replaced and are suitable for crosshead pin installation of different specifications and models, thereby improving the applicability.

[0025] Referring to the drawings Figure 1 and the drawings Figure 3 The balancing rod body 1 is provided with a H-shaped fixed plate 13, the H-shaped fixed plate 13 is horizontally arranged below the balancing rod body 1, and a bubble level 14 is installed on the H-shaped fixed plate 13 and is located at the center below the balancing rod body 1.

[0026] The H-shaped fixed plate 13 can support the balancing rod body 1, facilitating the placement of the balancing rod body 1.

[0027] Referring to the drawings Figure 1 The middle part of the balancing rod body 1 is a round rod, the two end rod parts of the balancing rod body 1 are rectangular, and the small balancing block 7 and the large balancing block 8 are in sliding connection with the balancing rod body 1.

[0028] The two end rod parts of the balancing rod body 1 are rectangular, thereby avoiding the rotation of the small balancing block 7 and the large balancing block 8 on the balancing rod body 1.

[0029] Referring to the drawings Figure 1 The small balancing block 7 and the large balancing block 8 are different in size and weight and can be replaced according to requirements, and the rope 4 is made of a material with high strength and good wear resistance.

[0030] The small balancing block 7 and the large balancing block 8 can be conveniently replaced, thereby improving the service life.

[0031] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features therein can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A crosshead pin installation aid tool comprising a balance lever body (1) characterised in that, The balance lever body (1) is provided with a fixed lifting ring (2) at the center, the fixed lifting ring (2) is rotatably connected with a rotating part (3), the rotating part (3) is provided with a rope (4), one end of the balance lever body (1) is provided with a lifting flange (5), the lifting flange (5) is provided with a fixed bolt (6), the fixed bolt (6) penetrates the lifting flange (5) and is horizontally arranged, the other end of the balance lever body (1) is provided with a small balance block (7), the balance lever body (1) is provided with a large balance block (8), the small balance block (7) and the large balance block (8) penetrate the balance lever body (1) and are horizontally arranged, and the balance lever body (1) is provided with a fixed limiting plate (9) on one side.

2. A crosshead pin installation aid tool as defined in claim 1, wherein, The small balance block (7) and the large balance block (8) are provided with vertical through holes (10), the small balance block (7) and the large balance block (8) are respectively provided with press switches (11), the push rod of the press switch (11) extends into the vertical through hole (10), the push rod of the press switch (11) is provided with a rubber non-slip pad (12), and the rubber non-slip pad (12) is in contact with the balance lever body (1).

3. A cross pin installation aid tool as defined in claim 1 wherein, The balance lever body (1) is provided with a type fixed plate (13), the type fixed plate (13) is transversely arranged below the balance lever body (1), the type fixed plate (13) is provided with a bubble level (14), and the bubble level (14) is located at the center below the balance lever body (1).

4. A cross pin installation aid tool as defined in claim 1, wherein, The middle part of the balance lever body (1) is a round rod, the two end rod parts of the balance lever body (1) are rectangular, and the small balance block (7) and the large balance block (8) are slidably connected with the balance lever body (1).

5. A cross pin installation aid tool as defined in claim 1 wherein, The small balance block (7) and the large balance block (8) are different in size and weight and can be replaced according to requirements, and the rope (4) is made of a material with high strength and good wear resistance.

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