CN203254143U

CN203254143U - Concentricity adjusting device of thrust foundation ring

Info

Publication number: CN203254143U
Application number: CN 201320302359
Authority: CN
Inventors: 龚春源
Original assignee: Dongfang Electric Machinery Co Ltd DEC
Current assignee: Dongfang Electric Machinery Co Ltd DEC
Priority date: 2013-05-29
Filing date: 2013-05-29
Publication date: 2013-10-30
Anticipated expiration: 2023-05-29

Abstract

The utility model relates to a concentricity adjusting device of a thrust foundation ring. The concentricity adjusting device comprises the thrust foundation ring and reinforcing ribs of a lower machine frame thrust oil groove wall board arranged on the radial outer side of the thrust foundation ring, wherein a jack is arranged between the reinforcing ribs of the lower machine frame thrust oil groove wall board and the thrust foundation ring in the radial direction of the thrust foundation ring. By means of the structure, the reinforcing ribs of the lower machine frame thrust oil groove wall board serve as a thrust foundational face, the jack jacks and pushes the thrust foundation ring to enable the thrust foundation ring to slide relative to a low machine frame, accordingly, deviation correction of concentricity between the thrust foundation ring and the low machine frame is achieved, and the concentricity adjusting device has the advantages of being simple in structure and low in cost.

Description

A kind of concentricity adjusting device of pushing force foundation ring

Technical field

The utility model relates to a kind of adjusting tool of Concentricity tolerance, the concentricity adjusting device when particularly a kind of pushing force foundation ring and lower bearing bracket assemble.

Background technology

Existing Large Hydroelectric Set; Usually adopting the runner-plate pump circulatory system and thrust bearing is partly the structure that adopts the pushing force foundation ring to separate with lower bearing bracket; When lower bearing bracket is installed; The machine that normally lower bearing bracket hung in is cheated and is put off at lower bearing bracket and reserves on the concrete of hole; And after the support ring end face that is used for support thrust bearing on lower bearing bracket is transferred to level; Reinforce and build; Enter the installation procedure of thrust bearing thereafter; Wherein, Thrust bearing is arranged in lower bearing bracket centerbody oil groove by the pushing force foundation ring; The Main Function of pushing force foundation ring is be used to supporting whole thrust bearing weight; And as the reference platform of installed thrust bearing remaining part.The assembling process of thrust bearing and lower bearing bracket mainly comprises following step:

A, process several positioning through hole with CNC planer type milling machine on the pushing force foundation ring;

B, with the movement of pushing force foundation ring to erecting yard;

C, high point, the burr of pushing force foundation ring are processed to sand paper with meticulous oilstone, essence, and with oilstone, sand paper, the high point of contact-making surface, the burr of lower bearing bracket support ring and pushing force foundation ring are processed;

D, the pushing force foundation ring is hung on the lower bearing bracket support ring;

Concentricity between e, adjustment pushing force foundation ring and lower bearing bracket support ring is in 0.25mm;

F, several positioning through hole on the pushing force foundation ring are as benchmark, the corresponding locating hole that drills and reams out on the lower bearing bracket support ring, and after hexagon socket head cap screw is installed, pushing force foundation ring and lower bearing bracket support ring are interfixed;

G, again measure and adjust concentricity between pushing force foundation ring and lower bearing bracket support ring in 0.25mm.

Wherein, when regulating between pushing force foundation ring and lower bearing bracket support ring concentricity in step g, its tool structure complexity, cost are high.

The utility model content

The technical problems to be solved in the utility model is to overcome the above-mentioned deficiency of prior art, provides a kind of simple in structure, with low cost in order to regulate the concentricity adjusting device of the pushing force foundation ring of Concentricity tolerance between pushing force foundation ring and lower bearing bracket support ring.

For solving the problems of the technologies described above, the utility model provides following technical scheme:

A kind of concentricity adjusting device of pushing force foundation ring, the reinforcement that comprises the pushing force foundation ring and be arranged at the lower bearing bracket thrust bearing oil sump wallboard of pushing force foundation ring radial outside, be provided with jack between the reinforcement of described lower bearing bracket thrust bearing oil sump wallboard and pushing force foundation ring, described jack is along between the reinforcement and pushing force foundation ring that radially are arranged at lower bearing bracket thrust bearing oil sump wallboard of pushing force foundation ring.Adopt said structure, with the reinforcement of lower bearing bracket thrust bearing oil sump wallboard as the pushing force foundation face, by jack pushing tow pushing force foundation ring, make it with respect to the lower bearing bracket slippage, thereby realize the Concentricity tolerance correction between pushing force foundation ring and lower bearing bracket, have beneficial effect simple in structure, with low cost.

Preferably, be provided with flitch between described jack and pushing force foundation ring.Adopt such structure, connect jack and pushing force foundation ring by flitch, can avoid jack directly to contact with the pushing force foundation ring or damage the pushing force foundation ring because colliding with.

Compared with prior art, the beneficial effects of the utility model are: pass through said apparatus, with the reinforcement of lower bearing bracket thrust bearing oil sump wallboard as the pushing force foundation face, by jack pushing tow pushing force foundation ring, make it with respect to the lower bearing bracket slippage, thereby realize the Concentricity tolerance correction between pushing force foundation ring and lower bearing bracket, have beneficial effect simple in structure, with low cost.

Description of drawings

Fig. 1 is structural representation of the present utility model.

Mark in figure: pushing force foundation ring-1; The reinforcement-2 of lower bearing bracket thrust bearing oil sump wallboard; Jack-3; Flitch-4.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is further described.

Embodiment of the present utility model is not limited to following examples, within the various variations of making under the prerequisite that does not break away from the utility model aim all belong to protection domain of the present utility model.

As shown in Figure 1, the reinforcement 2 that the concentricity adjusting device of the utility model pushing force foundation ring comprises pushing force foundation ring 1 and is arranged at the lower bearing bracket thrust bearing oil sump wallboard of pushing force foundation ring 1 radial outside, the reinforcement 2 of lower bearing bracket thrust bearing oil sump wallboard is the inwall of the ring section hole body that dug in advance before lower bearing bracket is set, be provided with jack 3 between the reinforcement 2 of lower bearing bracket thrust bearing oil sump wallboard and pushing force foundation ring 1, jack 3 is along between the reinforcement 2 and pushing force foundation ring 1 that radially are arranged at lower bearing bracket thrust bearing oil sump wallboard of pushing force foundation ring 1.

Regulative mode of the present utility model is as follows: when recording pushing force foundation ring 1 when radially locating to depart from lower bearing bracket, pushing force foundation ring 1 this side of radially locating, and the reinforcement 2 of lower bearing bracket thrust bearing oil sump wallboard between jack 3 is installed, jack 3 after assembling is axially consistent with pushing force foundation ring 1 this radial direction, and by jack 3 pushing tow pushing force foundation rings 1, make between pushing force foundation ring 1 and lower bearing bracket and relatively move,, after several radiai adjustment corrections the Concentricity tolerance of pushing force foundation ring 1 is adjusted in the default margin of tolerance by said method.After adopting said structure, with the reinforcement 2 of lower bearing bracket thrust bearing oil sump wallboard as the pushing force foundation face, by jack 3 pushing tow pushing force foundation rings 1, make it with respect to the lower bearing bracket slippage, thereby realize the Concentricity tolerance correction between pushing force foundation ring 1 and lower bearing bracket, have beneficial effect simple in structure, with low cost.Simultaneously, directly contact or damage because colliding with pushing force foundation ring 1 with pushing force foundation ring 1 for fear of jack 3, be provided with flitch 4 between jack 3 and pushing force foundation ring 1, this flitch 4 is namely the rectangle wooden unit that can fit with jack 3 ends and pushing force foundation ring 1 sidewall respectively in both sides, or the wooden unit of other shapes, just repeat no more at this.

The utility model is not limited to the aforesaid specific embodiment.The utility model expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.

Claims

1. the concentricity adjusting device of a pushing force foundation ring, it is characterized in that: the reinforcement (2) that comprises pushing force foundation ring (1) and be arranged at the lower bearing bracket thrust bearing oil sump wallboard of pushing force foundation ring (1) radial outside, be provided with jack (3) between the reinforcement (2) of described lower bearing bracket thrust bearing oil sump wallboard and pushing force foundation ring (1), described jack (3) is along between the reinforcement that radially is arranged at lower bearing bracket thrust bearing oil sump wallboard (2) and pushing force foundation ring (1) of pushing force foundation ring (1).

2. according to the concentricity adjusting device of claim pushing force foundation ring, it is characterized in that: be provided with flitch (4) between described jack (3) and pushing force foundation ring (1).