CN218863209U

CN218863209U - Bimetal casting connection structure

Info

Publication number: CN218863209U
Application number: CN202223278268.0U
Authority: CN
Inventors: 王学伍; 孙童; 李兴杰; 王远彬; 张建明
Original assignee: Shandong Ruilixin Machinery Technology Co ltd
Current assignee: Shandong Ruilixin Machinery Technology Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-04-14
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses a bimetal casting connection structure, including the copper alloy outer lane, the inside of copper alloy outer lane is provided with the copper alloy inner circle, the keyway has been seted up on the inner wall of copper alloy inner circle, fixedly connected with evenly distributed's connecting rod on the outer wall of copper alloy inner circle, the other end fixed connection of connecting rod is on the inner wall of copper alloy outer lane, the outside of copper alloy inner circle is provided with becket and lower becket. The utility model discloses a, through alloy copper and steel casting bimetal turbine, can reduce the cost when not influencing the turbine use, can realize the fast assembly to the turbine through last becket and the quick dismantlement between the becket down simultaneously, be convenient for overhaul turbine inside, and use through spacing groove and spacing cooperation and also can improve the compactness between becket and the copper alloy integral casting piece when can be convenient for to the becket installation, reduce the radial pressure that the connecting rod received.

Description

Bimetal casting connection structure

Technical Field

The utility model relates to a bimetal turbine technical field specifically is a bimetal casting connection structure.

Background

The bimetal composite material is a novel material which is researched, developed and popularized in China in recent years. Its advantages are use of steel as basis, surface composition of non-ferrous metal and alloy, high strength of non-ferrous metal and alloy, saving a lot of non-ferrous metals such as copper, and wide application in valve rod nut, turbine and bearing bush.

The steel-based copper alloy turbine is developed under the trend, and a plurality of mechanical devices need the copper turbine, so that the copper material demand is large, the existing steel-based copper alloy turbine connecting structure is mostly cast integrally, the interior of the steel-based copper alloy turbine connecting structure is convenient to overhaul, the steel-based copper alloy turbine can be subjected to radial pressure in the rotating process, and deformation or fracture can occur after long-time use.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a bimetal casting connection structure.

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a bimetal casting connection structure, includes the copper alloy outer lane, the inside of copper alloy outer lane is provided with the copper alloy inner circle, the keyway has been seted up on the inner wall of copper alloy inner circle, fixedly connected with evenly distributed's connecting rod on the outer wall of copper alloy inner circle, the other end fixed connection of connecting rod is on the inner wall of copper alloy outer circle, the outside of copper alloy inner circle is provided with becket and lower becket, it all is located the inside of copper alloy outer lane with lower becket to go up becket, it all sliding connection is on the inner wall of copper alloy outer lane with lower becket, it is on lower becket sliding connection to go up becket, evenly distributed's agreeing with groove has all been seted up to the relative one side of going up becket and lower becket, two the inside of agreeing with the groove is linked together, two the inner wall of agreeing with the groove all contacts with the connecting rod, go up becket and all seted up the thread groove on lower becket, the top threaded connection of going up becket has two locating pins, the bottom of locating pin runs through two thread grooves and extends to the bottom of lower becket.

As a further description of the above technical solution: two limiting grooves are formed in the inner wall of the copper alloy outer ring and the outer wall of the copper alloy inner ring, two limiting strips are connected to the inner portions of the limiting grooves in a sliding mode, and the two limiting strips are fixedly connected to the upper metal ring and the lower metal ring respectively.

As a further description of the above technical solution: the bottom the last fixedly connected with guide bar of spacing, the top the guide way begins on the spacing, the guide bar is located the inside of guide way and with the inner wall sliding connection of guide way.

As a further description of the above technical solution: two finger grooves are formed in one side, back to the back, of the upper metal ring and the lower metal ring, and anti-skid grains which are uniformly distributed are formed in the inner walls of the finger grooves.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses in, through alloy copper and steel casting bimetal turbine, can reduce the cost when not influencing the turbine use, can realize the fast assembly to the turbine through last becket and the quick dismantlement between the becket down simultaneously, be convenient for overhaul turbine inside, and use through spacing groove and spacing cooperation and also can improve the compactness between becket and the copper alloy integral casting piece when can be convenient for to the becket installation, reduce the radial pressure that the connecting rod received.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic top view of the cross-sectional structure of the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the metal ring of the present invention.

The reference numbers in the figures illustrate:

1. a copper alloy outer ring; 2. a copper alloy inner ring; 3. a keyway; 4. a connecting rod; 5. an upper metal ring; 6. a lower metal ring; 7. a fitting groove; 8. a thread groove; 9. positioning pins; 10. a limiting groove; 11. a limiting strip; 12. a guide bar; 13. a guide groove; 14. a finger groove.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention;

referring to fig. 1-4, in the present invention, a bimetal casting connection structure comprises a copper alloy outer ring 1, a copper alloy inner ring 2 is disposed inside the copper alloy outer ring 1, a key groove 3 is disposed on an inner wall of the copper alloy inner ring 2, connecting rods 4 uniformly distributed are fixedly connected to an outer wall of the copper alloy inner ring 2, the other end of each connecting rod 4 is fixedly connected to an inner wall of the copper alloy outer ring 1, an upper metal ring 5 and a lower metal ring 6 are disposed outside the copper alloy inner ring 2, the upper metal ring 5 and the lower metal ring 6 are both disposed inside the copper alloy outer ring 1, the upper metal ring 5 and the lower metal ring 6 are both slidably connected to an inner wall of the copper alloy outer ring 1, the upper metal ring 5 is slidably connected to the lower metal ring 6, uniformly distributed engagement grooves 7 are disposed on a side of the upper metal ring 5 opposite to the lower metal ring 6, the interiors of the two engagement grooves 7 are both connected to each other, inner walls of the two engagement grooves 7 are both in contact with the connecting rods 4, upper metal ring 5 and the lower metal ring 6 are both disposed with upper metal ring 6, top threads 9, two inner guide grooves 11 are connected to two guide pins 11, and two guide pins 11 are disposed on the inner walls of the upper metal ring 6,

when this bimetallic turbine needs to be assembled, the user adopts the whole casting to connect copper alloy outer ring 1 and copper alloy inner ring 2 through connecting rod 4, make copper alloy outer ring 1 and copper alloy inner ring 2 form wholly, the turbine wearability and the corrosion resistance that alloy copper made are good, can realize the permanent operation of turbine, the user casts the metal steel ring afterwards, make metal ring 5 and lower metal ring 6, then the user slides lower metal ring 6 that has guide bar 12 into between copper alloy outer ring 1 and copper alloy inner ring 2, make spacing strip 11 get into inside spacing groove 10, then the user lifts up metal ring 5 and buckles at the top of lower metal ring 6, make guide bar 12 get into inside guide groove 13, the setting of guide bar 12 and guide groove 13 can improve the connection compactness between metal ring 5 and the lower metal ring 6, in order to keep the holistic stability of turbine, this moment, fit groove 7 and connecting rod 4 block, and spacing groove 10 and spacing strip 11 cooperation use can be convenient for also improve the compactness between metal ring 5 and the lower metal ring 6 when metal ring installation, thereby can reduce the metal ring 6 and the maintenance pressure screw-in the metal ring 5 and can use the whole casting screw-in order to carry out the metal ring after the whole casting pressure is taken out, thereby the metal ring can be convenient for the maintenance personnel.

The utility model discloses in, through alloy copper and steel casting bimetal turbine, can reduce the cost when not influencing the turbine use, can realize the fast assembly to the turbine through last becket 5 and the quick dismantlement between the becket 6 down simultaneously, be convenient for overhaul turbine inside, and use through spacing groove 10 and spacing 11 cooperation and also can improve the compactness between becket and the copper alloy integral casting piece when can be convenient for to the becket installation, reduce the radial pressure that connecting rod 4 received.

Please refer to fig. 2 and 4, wherein: go up the becket 5 and all seted up two finger grooves 14 with one side that lower becket 6 carried on the back mutually, seted up evenly distributed's anti-skidding line on the inner wall in finger groove 14.

The utility model discloses in, when the user needs to dismantle last becket 5 and lower becket 6, indicate groove 14 can provide an impetus for the user, and anti-skidding line then can prevent that the user from taking place the hand and smooth.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the protection scope of the present invention by replacing or changing the technical solution and the modified concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a bimetal casting connection structure, includes copper alloy outer lane (1), its characterized in that: a copper alloy inner ring (2) is arranged inside the copper alloy outer ring (1), a key groove (3) is arranged on the inner wall of the copper alloy inner ring (2), the outer wall of the copper alloy inner ring (2) is fixedly connected with connecting rods (4) which are uniformly distributed, the other end of the connecting rod (4) is fixedly connected on the inner wall of the copper alloy outer ring (1), an upper metal ring (5) and a lower metal ring (6) are arranged outside the copper alloy inner ring (2), the upper metal ring (5) and the lower metal ring (6) are both positioned in the copper alloy outer ring (1), the upper metal ring (5) and the lower metal ring (6) are both connected on the inner wall of the copper alloy outer ring (1) in a sliding way, the upper metal ring (5) is connected on the lower metal ring (6) in a sliding way, one side of the upper metal ring (5) opposite to the lower metal ring (6) is provided with uniformly distributed conjunction grooves (7), the interiors of the two conjunction grooves (7) are communicated, the inner walls of the two conjunction grooves (7) are contacted with the connecting rod (4), the upper metal ring (5) and the lower metal ring (6) are both provided with thread grooves (8), the top of the upper metal ring (5) is in threaded connection with two positioning pins (9), the bottom end of the positioning pin (9) penetrates through the two thread grooves (8) and extends to the bottom of the lower metal ring (6).

2. The bimetal casting connection structure according to claim 1, wherein: two limiting grooves (10) are formed in the inner wall of the copper alloy outer ring (1) and the outer wall of the copper alloy inner ring (2), two limiting strips (11) are connected to the inner portions of the limiting grooves (10) in a sliding mode, and the two limiting strips (11) are fixedly connected to the upper metal ring (5) and the lower metal ring (6) respectively.

3. The bi-metal cast connection of claim 2, wherein: the bottom be fixedly connected with guide bar (12) on spacing strip (11), the top begin to have guide way (13) on spacing strip (11), guide bar (12) are located the inside of guide way (13) and with the inner wall sliding connection of guide way (13).

4. The bi-metal cast connection of claim 1, wherein: two finger grooves (14) are formed in one side, back to the back, of the upper metal ring (5) and the lower metal ring (6), and anti-slip grains which are uniformly distributed are formed in the inner wall of each finger groove (14).