CN213729749U - Self-adaptive bearing chamber reaming device - Google Patents
Self-adaptive bearing chamber reaming device Download PDFInfo
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- CN213729749U CN213729749U CN202021998800.4U CN202021998800U CN213729749U CN 213729749 U CN213729749 U CN 213729749U CN 202021998800 U CN202021998800 U CN 202021998800U CN 213729749 U CN213729749 U CN 213729749U
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- adjusting track
- height adjusting
- track
- hand wheel
- threaded hole
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Abstract
The utility model relates to the technical field of mechanical overhaul, in particular to a self-adaptive bearing chamber reaming device, when in use, a transverse plate of a fixed plate is fixed and screwed on a bolt hole of a bearing chamber through a bolt, and a pneumatic drill or an electric drill is arranged on a support flat plate of an installation platform through the bolt; the installation platform moves up and down along the screw B by rotating the height adjusting hand wheel so as to adjust the position of the drill bit; through rotating the depth adjusting hand wheel, the height adjusting track moves left and right along the depth adjusting track, and drilling is completed. The utility model discloses the device can carry out ream again to the bearing room fast to the adjustment location can avoid thrust bearing and axle not fix a position completely and take place to bump the mill.
Description
Technical Field
The utility model belongs to the technical field of the mechanical overhaul, concretely relates to self-adaptation bearing room fraising device.
Background
Fuqing nuclear power unit No. 1 and 2 has six RCV charging pumps (MDG231D), and each pump is driven by a horizontal motor through a single spiral gearbox of SHNO24S to drive a hydraulic component to operate. According to the requirement of equipment periodic maintenance, the charging pump on each RCV needs to carry out bearing inspection or comprehensive disassembly inspection every 4 years and 10 years, the thrust bearing is replaced, if the sinking condition is found in the bearing chamber inspection process, the positioning pin needs to be machined again to adjust and position the bearing chamber, the collision and abrasion caused by incomplete positioning of the thrust bearing and the shaft are avoided, and equipment manufacturers do not provide corresponding tools.
In order to solve the problem, a set of special tool which can carry out reaming on site is needed to be designed to meet the reaming and positioning work of the bearing box.
Disclosure of Invention
An object of the utility model is to provide a self-adaptation bearing room reaming device, when the bearing room of pump takes place to sink, can swiftly carry out reaming and adjustment and location again to the bearing room.
The technical scheme of the utility model as follows:
a self-adaptive bearing chamber reaming device comprises a fixing plate, a depth adjusting track, a depth adjusting hand wheel, a screw A, a height adjusting track, a height adjusting hand wheel, a screw B, an installation platform and all parts of matched bolts;
the fixing plate is an L-shaped plate and consists of a transverse plate and a vertical plate which are perpendicular to each other;
the vertical plate is connected with one end of the depth adjusting track;
the depth adjusting track is horizontally arranged, two ends of the depth adjusting track are respectively provided with a halving fixture block, and the lower parts of the two halving fixture blocks are provided with threaded holes;
the height adjusting track is vertically arranged, a round hole is processed at the top of the height adjusting track, and a threaded hole is processed below the round hole; wherein the round hole is sleeved on the depth adjusting track and is positioned between the halving clamping blocks at the two ends of the depth adjusting track;
the depth adjusting hand wheel is connected with one end of a screw A, and the other end of the screw A sequentially penetrates through a lower threaded hole of a half-dividing clamping block at one end of the depth adjusting track, a threaded hole of the height adjusting track and a lower threaded hole of a half-dividing clamping block at the other end of the depth adjusting track and then is fixed;
a cavity is processed in the middle of the height adjusting track, and a threaded hole is processed in the center of the top of the cavity;
a mounting platform is arranged at the cavity of the height adjusting track;
the mounting platform consists of a support flat plate and a connecting block, wherein the connecting block is positioned in the cavity, and a threaded hole is processed in the center of the connecting block; the supporting flat plate extends out of the cavity and is positioned on the outer side of the height adjusting track, and a threaded hole is processed in the center of the supporting flat plate;
a height adjusting hand wheel is arranged at the bottom of the height adjusting track;
the height adjusting hand wheel is connected with one end of the screw rod B, and the other end of the screw rod B penetrates through the cavity part of the height adjusting track and the threaded hole in the mounting platform connecting block and then is fixed in the threaded hole in the top of the cavity of the height adjusting track.
The transverse plate of the fixing plate is a U-shaped lath.
When the bearing chamber is used, the transverse plate of the fixing plate is fixedly screwed on the bolt hole of the bearing chamber through the bolt.
When the pneumatic drill or the electric drill is used, the pneumatic drill or the electric drill is installed on the supporting flat plate of the installation platform through the bolt.
The installation platform moves up and down along the screw B by rotating the height adjusting hand wheel so as to adjust the position of the drill bit.
Through rotating the depth adjusting hand wheel, the height adjusting track moves left and right along the depth adjusting track, and drilling is completed.
The beneficial effects of the utility model reside in that:
(1) the utility model discloses the device can carry out ream again to the bearing room fast to the adjustment location can avoid thrust bearing and axle not fix a position completely and take place to bump the mill.
(2) The utility model discloses the device is easy and simple to handle, and strong adaptability, precision can satisfy the bearing room reaming location requirement of most pumps in nuclear power scene.
(3) The device of the utility model is simple in structure, portable reliable, the maintenance cost that has significantly reduced reaches the requirement to the manpower.
Drawings
FIG. 1 is an isometric view of a reaming assembly;
FIG. 2 is a front view of the reaming assembly;
FIG. 3 is a top view of the reaming assembly;
fig. 4 is a right side view of the reaming means.
In the figure: 1. a fixing plate; 2. a depth adjusting track; 3. a depth adjusting hand wheel; 4. a height adjustment track; 5. a height adjustment hand wheel; 6. and (7) mounting the platform.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The self-adaptive bearing chamber reaming device shown in fig. 1 to 4 comprises a fixing plate 1, a depth adjusting track 2, a depth adjusting hand wheel 3, a screw A, a height adjusting track 4, a height adjusting hand wheel 5, a screw B, an installation platform 6 and bolts matched with all the parts.
The fixed plate 1 is an L-shaped plate and consists of a transverse plate and a vertical plate which are perpendicular to each other. Wherein the transverse plate is a U-shaped strip, and the vertical plate is connected with one end of the depth adjusting track 2.
The depth adjusting track 2 is horizontally arranged, two ends of the depth adjusting track are respectively provided with a halving fixture block, and the lower parts of the two halving fixture blocks are processed with threaded holes.
The height adjusting track 4 is vertically arranged, a round hole is processed at the top of the height adjusting track, and a threaded hole is processed below the round hole. Wherein the round hole is sleeved on the depth adjusting track 2 and is positioned between the halving clamping blocks at the two ends of the depth adjusting track 2.
The depth adjusting hand wheel 3 is connected with one end of a screw A, and the other end of the screw A sequentially penetrates through a half fixture block lower threaded hole at one end of the depth adjusting track 2, a threaded hole of the height adjusting track 4 and a half fixture block lower threaded hole at the other end of the depth adjusting track 2 and then is fixed. By rotating the depth adjusting hand wheel 3, the height adjusting track 4 moves left and right along the depth adjusting track 2.
A cavity is processed in the middle of the height adjusting track 4, and a threaded hole is processed in the center of the top of the cavity.
And a mounting platform 6 is arranged at the cavity of the height adjusting track 4. The mounting platform 6 consists of a support flat plate and a connecting block, wherein the connecting block is positioned in the cavity, and a threaded hole is processed in the center of the connecting block; the supporting flat plate extends out of the cavity and is positioned on the outer side of the height adjusting track 4, and a threaded hole is processed in the center of the supporting flat plate and used for installing a pneumatic drill or an electric drill.
And a height adjusting hand wheel 5 is arranged at the bottom of the height adjusting track 4. The height adjusting hand wheel 5 is connected with one end of the screw rod B, and the other end of the screw rod B penetrates through the cavity part of the height adjusting track 4 and the threaded hole in the connecting block of the mounting platform 6 and then is fixed in the threaded hole in the top of the cavity of the height adjusting track 4. The mounting platform 6 is moved up and down along the screw B by rotating the height adjusting handwheel 5.
The transverse plate of the fixing plate 1 is fixedly screwed on a bolt hole of the bearing chamber through a bolt, then a pneumatic drill or an electric drill is installed on a supporting flat plate of the installation platform 6 through the bolt, and then the positioning and reaming are carried out through adjusting the depth adjusting hand wheel 3 and the height adjusting hand wheel 5.
Claims (6)
1. An adaptive bearing room reaming device is characterized in that: the device comprises a fixing plate (1), a depth adjusting track (2), a depth adjusting hand wheel (3), a screw A, a height adjusting track (4), a height adjusting hand wheel (5), a screw B, an installation platform (6) and bolts matched with all the parts;
the fixing plate (1) is an L-shaped plate and consists of a transverse plate and a vertical plate which are vertical to each other;
the vertical plate is connected with one end of the depth adjusting track (2);
the depth adjusting track (2) is horizontally arranged, two ends of the depth adjusting track are respectively provided with a half clamping block, and the lower parts of the two half clamping blocks are provided with threaded holes;
the height adjusting track (4) is vertically arranged, a round hole is processed at the top of the height adjusting track, and a threaded hole is processed below the round hole; wherein the round hole is sleeved on the depth adjusting track (2) and is positioned between the halving clamping blocks at the two ends of the depth adjusting track (2);
the depth adjusting hand wheel (3) is connected with one end of a screw A, and the other end of the screw A sequentially penetrates through a half fixture block lower threaded hole at one end of the depth adjusting track (2), a threaded hole of the height adjusting track (4) and a half fixture block lower threaded hole at the other end of the depth adjusting track (2) and then is fixed;
a cavity is processed in the middle of the height adjusting track (4), and a threaded hole is processed in the center of the top of the cavity;
a mounting platform (6) is arranged at the cavity of the height adjusting track (4);
the mounting platform (6) consists of a support flat plate and a connecting block, wherein the connecting block is positioned in the cavity, and a threaded hole is processed in the center of the connecting block; the supporting flat plate extends out of the cavity and is positioned on the outer side of the height adjusting track (4), and a threaded hole is processed in the center of the supporting flat plate;
a height adjusting hand wheel (5) is arranged at the bottom of the height adjusting track (4);
the height adjusting hand wheel (5) is connected with one end of the screw rod B, and the other end of the screw rod B penetrates through a cavity part of the height adjusting track (4) and a threaded hole in a connecting block of the mounting platform (6) and then is fixed in a threaded hole in the top of the cavity of the height adjusting track (4).
2. An adaptive bearing chamber reaming assembly according to claim 1, wherein: the transverse plate of the fixed plate (1) is a U-shaped lath.
3. An adaptive bearing chamber reaming assembly according to claim 2, wherein: when the bearing is used, the transverse plate of the fixing plate (1) is fixedly screwed on the bolt hole of the bearing chamber through a bolt.
4. An adaptive bearing chamber reaming assembly according to claim 3, wherein: when in use, the pneumatic drill or the electric drill is arranged on the supporting flat plate of the mounting platform (6) through bolts.
5. An adaptive bearing chamber reaming assembly according to claim 4, wherein: the installation platform (6) moves up and down along the screw B by rotating the height adjusting hand wheel (5) so as to adjust the position of the drill bit.
6. An adaptive bearing chamber reaming assembly according to claim 5, wherein: by rotating the depth adjusting hand wheel (3), the height adjusting track (4) moves left and right along the depth adjusting track (2), and drilling is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021998800.4U CN213729749U (en) | 2020-09-14 | 2020-09-14 | Self-adaptive bearing chamber reaming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021998800.4U CN213729749U (en) | 2020-09-14 | 2020-09-14 | Self-adaptive bearing chamber reaming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213729749U true CN213729749U (en) | 2021-07-20 |
Family
ID=76843209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021998800.4U Active CN213729749U (en) | 2020-09-14 | 2020-09-14 | Self-adaptive bearing chamber reaming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213729749U (en) |
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2020
- 2020-09-14 CN CN202021998800.4U patent/CN213729749U/en active Active
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