CN214464628U

CN214464628U - Water turbine guide vane sleeve internal bearing bush mounting device

Info

Publication number: CN214464628U
Application number: CN202023276562.9U
Authority: CN
Inventors: 陈杰; 蓝启强; 蓝青旋; 卢启涛; 韦荣; 韦启迪
Original assignee: Guangxi Guiguan Power Co ltd Maintenance Branch; Guangxi Guiguan Electric Power Co ltd
Current assignee: Guangxi Guiguan Power Co ltd Maintenance Branch; Guangxi Guiguan Electric Power Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-22
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses an inside axle bush installation device of hydraulic turbine stator sleeve for install the axle bush in hydraulic turbine stator sleeve, the axle bush sets up telescopic one is served, a serial communication port, including the top mechanism of drawing, the top is drawn the mechanism and is drawn part and connecting piece including the top that can stretch out and draw, the top is drawn the part setting and is in the sleeve is kept away from one of axle bush is served, the top is drawn the part and is passed through the connecting piece with the axle bush is connected, and can with the connecting piece jack-up, thereby will the axle bush is anti-pulled in the sleeve. The utility model discloses when newly installing or changing the axle sleeve in the open type, through jack-up board and screw thread post to drive clamp plate upward movement with the axle bush top in the sleeve. The equipment does not need to be welded, so that the equipment is better protected. The copper plate is arranged between the mounting plate and the end face of the sleeve, so that the mounting plate can be prevented from directly abutting against the middle bearing bush in the mounting process to cause deformation of the middle bearing bush.

Description

Water turbine guide vane sleeve internal bearing bush mounting device

Technical Field

The utility model relates to a hydraulic turbine technical field especially relates to a hydraulic turbine stator sleeve inside axle bush installation device.

Background

In the vertical hydroelectric generating set, the guide vane bearing comprises an upper bearing, a middle bearing and a lower bearing, and corresponds to an upper shaft sleeve, a middle shaft sleeve and a lower shaft sleeve, when the unit is overhauled, whether the shaft sleeve needs to be replaced or not or the damaged shaft sleeve needs to be replaced is determined through data comparison and analysis by measuring the inner diameter of the shaft sleeve and the outer diameter of a guide vane shaft collar. The middle shaft sleeve of the partial vertical water turbine generator set is arranged in the guide vane sleeve of the outer top cover, and the middle shaft sleeve and the guide vane sleeve are in interference fit; the interference magnitude of the two is about 0.30 mm. The shaft sleeves in part of the units are cylindrical, and can be smoothly installed after being cooled by liquid nitrogen. But it is infeasible to utilize liquid nitrogen cooling installation when well axle sleeve is the axle sleeve in the open type, and the cooling can make axle sleeve in the open type warp, and the installation can't be installed at all, and the axle sleeve in can damaging in the installation of forcing to well axle sleeve of installation is because warping, and the installation internal diameter also can not satisfy the design range after targetting in place. In the prior art, the lifting operation needs to be carried out on the bottom welding bottom plate of the guide vane sleeve, and the problem of equipment damage exists. After the shaft sleeve is installed, the welding part of the guide vane sleeve is processed, and the working hours are consumed.

Disclosure of Invention

The utility model discloses aim at solving one of the above-mentioned technical problem at least, provide a hydraulic turbine stator sleeve inside axle bush installation device, need not to carry out welding operation to equipment, installation method is simple.

In order to realize the purpose, the utility model discloses a technical scheme be:

the utility model provides an inside axle bush installation device of hydraulic turbine stator sleeve for install the axle bush in hydraulic turbine stator sleeve, the axle bush sets up telescopic one end is served, its characterized in that, including the top mechanism of drawing, the top mechanism of drawing is including the top that can stretch out and draw part and connecting piece, the top is drawn the part setting and is being in the sleeve is kept away from the axle bush is served, the top is drawn the part and is passed through the connecting piece with the axle bush is connected, and can with the connecting piece jack-up, thereby will the axle bush is anti-drawn in the sleeve.

As an improvement of the above technical solution, the jacking mechanism further comprises a jacking plate and a pressing plate, wherein the jacking plate is arranged at one end of the jacking component far away from the sleeve; the pressing plate is arranged at one end, far away from the sleeve, of the bearing bush, and the jacking plate and the pressing plate are detachably connected with the connecting piece respectively.

As the improvement of the technical scheme, the jacking mechanism further comprises an installation plate, the installation plate is arranged on the end face of the sleeve, and the jacking component is installed on the installation plate.

As an improvement of the technical scheme, a copper plate is arranged between the mounting plate and the end face of the sleeve.

As an improvement of the above technical solution, the connecting member includes a threaded column and a nut, the jacking plate and the pressing plate are detachably connected through the threaded column, the nuts are disposed at both ends of the threaded column, and the jacking plate and the pressing plate are respectively fastened to the jacking component and the bearing bush through the nuts.

As an improvement of the technical scheme, the jacking and pulling component is a hollow hydraulic jack, and the threaded column sequentially penetrates through the hollow hydraulic jack and the sleeve.

As an improvement of the technical scheme, the hollow hydraulic jack and the threaded column are respectively provided with two groups.

As an improvement of the technical scheme, the jacking plate and the pressing plate are made of steel materials.

As an improvement of the technical scheme, the bearing bush is a copper bush.

Compared with the prior art, the beneficial effects of this application are:

the utility model discloses an inside axle bush installation device of hydraulic turbine stator sleeve, when the axle sleeve in the new installation or the change open type, through jack-up board and screw thread post to drive clamp plate upward movement with the axle bush top go into in the sleeve. The equipment does not need to be welded, so that the equipment is better protected. The copper plate is arranged between the mounting plate and the end face of the sleeve, so that the mounting plate can be prevented from directly abutting against the middle bearing bush in the mounting process to cause deformation of the middle bearing bush. The use of the jack can reduce manpower. The use of mounting panel, jack-up board and clamp plate lets well axle bush atress more even, is difficult for taking place deformation. The jacks and the threaded columns are arranged into two groups, so that the middle bearing bush is stressed more uniformly. The screw thread post both ends all are provided with the nut, can then the pressure release to zero time after the jack stroke targets in place, and the convenient fastens jacking plate and clamp plate respectively on top draws part and axle bush. Compared with the prior art, the device is simpler and more convenient to install and use.

Drawings

The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or there can be intervening components, and when a component is referred to as being "disposed in the middle," it is not just disposed in the middle, so long as it is not disposed at both ends, but rather is within the scope of the middle. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, the utility model provides an inside axle bush installation device of hydraulic turbine stator sleeve for install axle bush 1 in hydraulic turbine stator sleeve 2, axle bush 1 sets up sleeve 2 one serves, still includes top and draws mechanism 3, top draws mechanism 3 including the top that can stretch out and draw part 31 and connecting piece 34, top draws part 31 to set up sleeve 2 is kept away from one of axle bush 1 is served, top draws part 31 to pass through connecting piece 34 with axle bush 1 connects, and can with connecting piece 34 jack-up, thereby will axle bush 1 is anti-to be drawn in sleeve 2. Specifically, the bearing bush 1 is an open type copper bush.

As shown in fig. 1, in particular, the jacking mechanism 3 further includes a jacking plate 32 and a pressing plate 33, the jacking plate 32 is disposed on one end of the jacking component 31 away from the sleeve 2; the pressing plate 33 is disposed on an end of the bearing bush 1 away from the sleeve 2, and the jacking plate 32 and the pressing plate 33 are detachably connected to the connecting piece 34 respectively.

In order to keep the position of the top-pulling component 31 unchanged during the use process, the top-pulling mechanism 3 of the present invention further includes a mounting plate 35, the mounting plate 35 is disposed on the end surface of the sleeve 2, and the top-pulling component 31 is mounted on the mounting plate 35. Specifically, the mounting plate 35 may be provided with a groove matching with the top pull component 31, and the top pull component 31 is installed in the groove, so that the top pull component 31 can be conveniently limited. The roof pull member 31 may be fastened to the mounting plate 35 by bolts, which is the same effect here.

In order to avoid this application use, sleeve 2 takes place wearing and tearing or warp, for this reason the utility model discloses in the mounting panel 35 with be provided with copper 4 between the sleeve 2 terminal surface. The copper plate 4 is tough, soft and ductile, and can well protect the flange surface of the sleeve 2. In other embodiments of the present application, the copper plate 4 may be other gaskets as long as the flange surface of the sleeve 2 is well protected.

Referring to fig. 1, in particular, the connecting member 34 includes a threaded column 341 and a nut 342, the jacking plate 32 and the pressing plate 33 are detachably connected through the threaded column 341, the nut 342 is disposed at both ends of the threaded column 341, and the jacking plate 32 and the pressing plate 33 are respectively fastened to the jacking member 31 and the bearing bush 1 through the nuts 342. Preferably, the threaded column 341 is a full threaded column, so that the position of the nut 342 on the threaded column 341 can be conveniently adjusted, and the jacking plate 32 and the pressing plate 33 are respectively fastened on the jacking component 31 and the bearing bush 1 during the use process. In other embodiments of the present application, the connecting member 34 may have other structures as long as the jacking plate 32 and the pressing plate 33 can be fastened to the jacking member 31 and the bearing bush 1 respectively during use, and the acting force of the jacking member 31 can be transmitted to the pressing plate 33.

Referring to fig. 1, in order to allow the pull-up member 31 to be conveniently engaged, it is preferable that the pull-up member 31 is a hollow hydraulic jack, and the threaded column 341 passes through the hollow hydraulic jack and the sleeve 2 in sequence. It should be noted that the jacking plate 32, the pressing plate 33 and the mounting plate 35 are all provided with corresponding through holes.

In order to make the bearing bush 1 stressed more uniformly, the hollow hydraulic jack and the threaded column 341 are provided in two groups in the present application.

In order to be able to withstand high forces during use, the lifting plate 32 and the pressure plate 33 have a high strength, for which purpose the lifting plate 32 and the pressure plate 33 are made of steel.

The application method comprises the following steps:

cleaning the mounting position of the bearing bush 1 of the sleeve 2, and coating lubricating oil. The threaded column 341 penetrates into the sleeve 2 and the inside of the bearing bush 1, the pressure plate 33 is sleeved into the threaded column 341 on the side of the bearing bush 1, and the nut 342 is screwed to the top end 2cm of the threaded column 341 on the side; the jacking plate 32 is sleeved on the other side of the threaded column 341, the hydraulic hollow jack penetrates through the threaded column 341 and is placed on the mounting plate 35, the jacking plate 32 is sleeved in the threaded column 341 and is placed on the hydraulic hollow jack, and the screw cap 342 is screwed on.

The bearing bush 1 is placed in a chamfer at the bearing of the sleeve 2, the hydraulic hollow jack is utilized to jack the jacking plate 32, and the pressing plate 33 and the bearing bush 1 are driven to move upwards through the threaded column 341. And after the stroke of the hydraulic hollow jack is in place, releasing the pressure to zero, screwing the screw cap 342 at the position of the jacking plate 32, fastening the jacking plate 32 on the hydraulic hollow jack, and repeating the processes until the bearing bush 1 is completely installed in place.

The utility model discloses an inside axle bush installation device of hydraulic turbine stator sleeve, when the axle sleeve in the new installation or the change open type, through hydraulic pressure cavity jack-up jacking plate 32 with screw thread post 341, thereby drive clamp plate 33 upward movement will 1 top of axle bush is gone into in the sleeve 2. The equipment does not need to be welded, so that the equipment is better protected. The mounting panel 35 with be provided with copper 4 between the sleeve 2 terminal surface, can avoid the mounting panel 35 directly supports in the installation and presses axle bush 1 leads to axle bush 1 warp. The hydraulic hollow jack can reduce manpower. The jacking plate 32, the pressing plate 33 and the mounting plate 35 enable the bearing bush 1 to be stressed more uniformly and not easy to deform. The hydraulic hollow jacks and the threaded columns 341 are arranged in two groups, so that the bearing bush 1 can be stressed more uniformly. The two ends of the threaded column 341 are provided with nuts 342, so that the jacking plate 32 and the pressing plate 33 can be conveniently fastened on the hydraulic hollow jack and the bearing bush 1 respectively when the hydraulic hollow jack is in place and then is decompressed to zero. Compared with the prior art, the device is simpler and more convenient to install and use.

The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.

Claims

1. The utility model provides a hydraulic turbine stator sleeve inside axle bush installation device for install axle bush (1) in sleeve (2) of hydraulic turbine stator, axle bush (1) sets up sleeve (2) one end is served, its characterized in that, including top pull mechanism (3), top pull mechanism (3) draw part (31) and connecting piece (34) including the top that can stretch out and draw, top pull part (31) set up sleeve (2) are kept away from one of axle bush (1) is served, top pull part (31) pass through connecting piece (34) with axle bush (1) are connected, and can with connecting piece (34) jack-up, thereby will axle bush (1) is pulled back in sleeve (2).

2. The bearing bush mounting device inside the water turbine guide vane sleeve is characterized in that the jacking mechanism (3) further comprises a jacking plate (32) and a pressing plate (33), wherein the jacking plate (32) is arranged at one end of the jacking component (31) far away from the sleeve (2); the pressing plate (33) is arranged at one end, far away from the sleeve (2), of the bearing bush (1), and the jacking plate (32) and the pressing plate (33) are detachably connected with the connecting piece (34) respectively.

3. The bearing bush mounting device inside the water turbine guide vane sleeve is characterized in that the jacking mechanism (3) further comprises a mounting plate (35), the mounting plate (35) is arranged on the end face of the sleeve (2), and the jacking component (31) is mounted on the mounting plate (35).

4. A turbine guide vane sleeve inner bearing bush mounting arrangement according to claim 3, characterized in that a copper plate (4) is arranged between the mounting plate (35) and the end face of the sleeve (2).

5. The internal bearing bush mounting device for the water turbine guide vane sleeve is characterized in that the connecting piece (34) comprises a threaded column (341) and a nut (342), the jacking plate (32) and the pressing plate (33) are detachably connected through the threaded column (341), the nut (342) is arranged at each end of the threaded column (341), and the jacking plate (32) and the pressing plate (33) are fastened on the jacking component (31) and the bearing bush (1) respectively through the nuts (342).

6. An internal bearing bush mounting device for a water turbine guide vane sleeve as claimed in claim 5, characterised in that the jacking member (31) is a hollow hydraulic jack, and the threaded post (341) passes through the hollow hydraulic jack and the sleeve (2) in sequence.

7. The turbine vane sleeve inner bearing bush mounting device as claimed in claim 6, characterized in that the hollow hydraulic jacks and the threaded columns (341) are arranged in two groups.

8. The turbine vane sleeve inner bearing bush mounting arrangement as set forth in claim 2, characterized in that said jacking plate (32) and said pressure plate (33) are made of steel material.

9. The mounting device for the bearing shell inside the guide vane sleeve of the water turbine as claimed in claim 1, wherein the bearing shell (1) is a copper sleeve.