CN217300827U

CN217300827U - Reinforced large-diameter cast aluminum piston part

Info

Publication number: CN217300827U
Application number: CN202220408544.1U
Authority: CN
Inventors: 金阿文; 杨宝东; 魏鸿宇; 李铠名; 兴成博; 朱延通
Original assignee: Shenyang Jinbo Gas Compressor Manufacturing Co ltd
Current assignee: Shenyang Jinbo Gas Compressor Manufacturing Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-08-26
Anticipated expiration: 2032-02-28

Abstract

Strenghthened type major diameter casts aluminium piston part belongs to large-scale chemical industry special compressor equipment technical field, concretely relates to compressor is with strenghthened type major diameter casts aluminium piston part. The utility model provides an operation is reliable, improves life's strenghthened type major diameter cast aluminium piston part. The utility model discloses a first piston body, latter half piston body and piston rod, its characterized in that: radial reinforcing ribs are radially arranged in the front half piston body and the rear half piston body, and the radial reinforcing ribs in the front half piston body correspond to the radial reinforcing ribs in the rear half piston body; the front half piston body and the rear half piston body are also internally provided with reinforcing support rings, and the reinforcing support rings of the front half piston body and the rear half piston body correspond to each other; when the front half piston body and the rear half piston body are combined into a whole, the radial reinforcing rib of the front half piston body is contacted with the radial reinforcing rib of the rear half piston body; the reinforcing support ring of the front half piston body is in contact with the reinforcing support ring of the rear half piston body.

Description

Reinforced large-diameter cast aluminum piston part

Technical Field

The utility model belongs to the technical field of large-scale chemical industry special compressor equipment, concretely relates to compressor is with strenghthened type major diameter cast aluminium piston part.

Background

The piston rod of the piston compressor bears the resultant force of reciprocating inertia force and gas force in reciprocating motion, the piston rod bears alternating load, the stress of the piston rod is mainly transmitted to the piston, and the core part of the large-diameter cast aluminum piston (the diameter of which exceeds 1000 mm) is easy to break at the core part because the core part of the piston body connected with the piston rod is small; large diameter cast aluminum pistons are limited by size; in addition, because the piston body is large in size and the structure is not reasonable, the piston rod can bounce greatly in the reciprocating motion, the vibration of a machine set is increased, the abrasion is increased, and the accident of unscheduled breakage and vicious occurrence of the plug rod in life is caused.

Disclosure of Invention

The utility model discloses just to above-mentioned problem, provide an operation is reliable, improves life's strenghthened type major diameter cast aluminium piston part.

In order to realize the above purpose of the utility model, the utility model discloses a following technical scheme, the utility model discloses a first half piston body, latter half piston body and piston rod, its characterized in that: radial reinforcing ribs are radially arranged in the front half piston body and the rear half piston body, and the radial reinforcing ribs in the front half piston body correspond to the radial reinforcing ribs in the rear half piston body; the front half piston body and the rear half piston body are also internally provided with a reinforced support ring, and the reinforced support rings of the front half piston body and the rear half piston body correspond to each other; when the front half piston body and the rear half piston body are combined into a whole, the radial reinforcing rib of the front half piston body is contacted with the radial reinforcing rib of the rear half piston body; the reinforcing support ring of the front half piston body is in contact with the reinforcing support ring of the rear half piston body.

As an optimal scheme of the utility model, be provided with the through-hole on strengthening support ring and the radial strengthening rib.

As another preferred scheme of the utility model, the centers of the front half piston body and the rear half piston body are provided with corresponding center holes; the piston rod penetrates through the center holes of the front half piston body and the rear half piston body, and a nut assembly which integrates the front half piston body and the rear half piston body is arranged on the piston rod.

As the third preferred scheme of the utility model, the department that meets of first half piston body and latter half piston body is provided with the location tang.

As a fourth preferred aspect of the present invention, the outer circumference of the front half piston body and the rear half piston body is provided with an outer ring.

The utility model has the advantages that: 1. the utility model discloses set up radial strengthening rib and enhancement support ring in the piston body, make first half piston body and latter half piston body fastening back radial strengthening rib and strengthen support ring mutual contact, piston body and piston rod fastening back piston body core and radial strengthening rib and strengthen support ring and form a body structure, be equivalent to the bearing area increase of piston body, increase the intensity and the rigidity of piston body.

2. Through be provided with the through-hole on strengthening support ring and radial strengthening rib, guarantee each cavity intercommunication in the piston body, avoid appearing the problem that local produced internal pressure.

3. The outer rings are arranged on the outer circumferences of the front half piston body and the rear half piston body, so that the radial runout of the large-diameter piston body in the cylinder can be eliminated.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the front piston body.

Fig. 3 is a side sectional view of fig. 2.

Fig. 4 is a schematic view of the construction of the back half piston body.

Fig. 5 is a side sectional view of fig. 4.

In the attached drawing, 1 is a front half piston body, 2 is an outer ring, 3 is a reinforcing support ring, 4 is a rear half piston body, 5 is a piston rod, 6 is a positioning spigot, 7 is a central hole, 8 is a nut component, 9 is a radial reinforcing rib, and 10 is a through hole.

Detailed Description

The utility model discloses a first half piston body 1, latter half piston body 4 and piston rod 5, its characterized in that: radial reinforcing ribs 9 are radially arranged in the front half piston body 1 and the rear half piston body 4, and the radial reinforcing ribs 9 in the front half piston body 1 correspond to the radial reinforcing ribs 9 in the rear half piston body 4; the front half piston body 1 and the back half piston body 4 are also internally provided with a reinforced support ring 3, and the reinforced support rings 3 of the front half piston body 1 and the back half piston body 4 are corresponding; when the front half piston body 1 and the rear half piston body 4 are combined into a whole, the radial reinforcing rib 9 of the front half piston body 1 is contacted with the radial reinforcing rib 9 of the rear half piston body 4; the reinforcing support ring 3 of the front piston body half 1 and the reinforcing support ring 3 of the rear piston body half 4 are in contact.

As a preferred scheme of the utility model, be provided with through-hole 10 on strengthening support ring 3 and the radial strengthening rib 9.

As another preferable scheme of the present invention, the centers of the front half piston body 1 and the rear half piston body 4 are provided with corresponding center holes 7; the piston rod 5 penetrates through the center holes 7 of the front half piston body 1 and the rear half piston body 4, and the piston rod 5 is provided with a nut assembly 8 which integrates the front half piston body 1 and the rear half piston body 4.

As a third preferred embodiment of the present invention, a positioning spigot 6 is provided at the joint of the front half piston body 1 and the rear half piston body 4.

As a fourth preferred aspect of the present invention, the outer circumferences of the front half piston body 1 and the rear half piston body 4 are provided with an outer ring 2.

The utility model discloses after the equipment is integrative, radial strengthening rib 9 in first half piston body 1 and the latter half piston body 4 and the enhancement support ring 3 mutual contact are whole piston body and form a complete atress structure, are difficult for taking place to warp, increase substantially the life of piston body.

It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.

Claims

1. Strenghthened type major diameter casts aluminium piston part, including first half piston body (1), second half piston body (4) and piston rod (5), its characterized in that: radial reinforcing ribs (9) are radially arranged in the front half piston body (1) and the rear half piston body (4), and the radial reinforcing ribs (9) in the front half piston body (1) correspond to the radial reinforcing ribs (9) in the rear half piston body (4); the front half piston body (1) and the rear half piston body (4) are also internally provided with a reinforcing support ring (3), and the reinforcing support rings (3) of the front half piston body (1) and the rear half piston body (4) correspond to each other; when the front half piston body (1) and the rear half piston body (4) are combined into a whole, the radial reinforcing rib (9) of the front half piston body (1) is contacted with the radial reinforcing rib (9) of the rear half piston body (4); the reinforcing support ring (3) of the front half piston body (1) is contacted with the reinforcing support ring (3) of the rear half piston body (4).

2. The reinforced large diameter cast aluminum piston part of claim 1 wherein: through holes (10) are arranged on the reinforcing support ring (3) and the radial reinforcing ribs (9).

3. The reinforced large diameter cast aluminum piston part of claim 1 wherein: the centers of the front half piston body (1) and the rear half piston body (4) are provided with corresponding center holes (7); the piston rod (5) penetrates through the center holes (7) of the front half piston body (1) and the rear half piston body (4), and the piston rod (5) is provided with a nut assembly (8) which integrates the front half piston body (1) and the rear half piston body (4).

4. The reinforced large diameter cast aluminum piston part of claim 1 wherein: and a positioning spigot (6) is arranged at the joint of the front half piston body (1) and the rear half piston body (4).

5. The reinforced large diameter cast aluminum piston part of claim 1 wherein: and outer rings (2) are arranged on the outer circumferences of the front half piston body (1) and the rear half piston body (4).