CN204413977U - Nuclear plant pressure vessels checks the pre-tightening tool of manipulator oscillating bearing used - Google Patents
Nuclear plant pressure vessels checks the pre-tightening tool of manipulator oscillating bearing used Download PDFInfo
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- CN204413977U CN204413977U CN201420873132.0U CN201420873132U CN204413977U CN 204413977 U CN204413977 U CN 204413977U CN 201420873132 U CN201420873132 U CN 201420873132U CN 204413977 U CN204413977 U CN 204413977U
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- China
- Prior art keywords
- pretension
- bearing
- mallet
- oscillating bearing
- pressing plate
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- Withdrawn - After Issue
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- Manipulator (AREA)
Abstract
The utility model provides a kind of nuclear plant pressure vessels to check the pre-tightening tool of manipulator oscillating bearing used, described pre-tightening tool comprises the bracing frame of oscillating bearing described in supporting and location, be located in the telescopic oil cylinder that bracing frame is connected with hydraulic pump, described hydraulic pump is provided with Pressure gauge, and the pretension mallet to be connected with the movable end of telescopic oil cylinder, and the pretension pressing plate to be connected with described rotation case lid, during pretension, described pretension mallet is located in described oscillating bearing, described pretension pressing plate is located in the top of described pretension mallet, and pretension mallet has the radial protrusion that described pretension pressing plate can be withstood, described pretension pressing plate is linked by rotation case lid and the described angular contact ball bearing being positioned at below.The utility model have employed the mode that hydraulic-driven power and personnel's manual operation combine and carries out pretension, is easy to operation, improves assembly precision.
Description
Technical field
The utility model relates to a kind of bearing pre-tightened instrument of manipulator joint, particularly relates to the pre-tightening tool that a kind of nuclear plant pressure vessels checks manipulator oscillating bearing used.
Background technology
Reactor pressure vessel is the key equipment that nuclear island runs, and longtime running is in high temperature, high pressure, high radioactivity environment, and the integrity of its entirety is directly connected to the safety of nuclear power operation, is that the emphasis that nuclear power plant ran in the phase in longevity checks watch-dog.Pressure vessel checking machine tool hand uses as a servant key object equipment that is front and inservice inspection as generation Ⅲ nuclear power station reactor pressure vessel, and the operability of its operational reliability, stability, maintenance directly affects the Checking on effect of nuclear power plant reactor pressure vessel.
Generation Ⅲ AP1000 be at present in the world building, state-of-the-art nuclear power technology.Research and develop on this basis, the CAP1400 heap-type having complete state-owned independent intellectual property right is in the experimental stage.For the automation inspection of above-mentioned two kinds of heap-type nuclear plant pressure vessels and pressure vessels top cover, current China adopts a kind of articulated shaft arm robot of external introduction.For this kind of pressure vessel checking machine tool hand, the frame for movement in its joint is very complicated, for the critical component in its assembling process---the pretension work of angular contact ball bearing is the difficult point of its assembly working, and domesticly also there is no a set of special instrument in this respect, mostly by personnel's manual operation, cause assembly difficulty large, the drawbacks such as high, assembly precision is low and efficiency of assembling is low are required to operating personnel.Current abroad have certain technological reserve in this field, but do not form a whole set of special assembling tool, and carry out blockade on new techniques to China, causes China to be difficult to break through technology barriers in manipulator joint package technique.Professional due to this kind of manipulator application, domesticly there is no the information or relevant report that find its assembling or special tool for service.
Therefore, need a kind of be easy to operation and can by the pre-tightening tool of angular contact ball bearing pretension.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of nuclear plant pressure vessels to check the pre-tightening tool of manipulator oscillating bearing used, is difficult to assembling, the problem that assembly precision is low for solving manipulator joint in prior art.
For achieving the above object and other relevant objects, the utility model provides a kind of nuclear plant pressure vessels to check the pre-tightening tool of manipulator oscillating bearing used, described oscillating bearing comprises bearing housing, be placed in the rotation case lid at bearing housing top, be located at the pair of horns contact ball bearing in bearing housing, collar in the bearing be connected with described rotation case lid, in bearing, collar catches on the inner ring of the described angular contact ball bearing being positioned at below, described pre-tightening tool comprises the bracing frame of oscillating bearing described in supporting and location, be located in the telescopic oil cylinder that bracing frame is connected with hydraulic pump, described hydraulic pump is provided with Pressure gauge, and the pretension mallet to be connected with the movable end of telescopic oil cylinder, and the pretension pressing plate to be connected with described rotation case lid, during pretension, described pretension mallet is located in described oscillating bearing, described pretension pressing plate is located in the top of described pretension mallet, and pretension mallet has the radial protrusion that described pretension pressing plate can be withstood, described pretension pressing plate is linked by rotation case lid and the described angular contact ball bearing being positioned at below.
Preferably, support frame as described above comprises brace table and supports the supporting leg of described brace table, and described brace table is provided with the via hole worn for described telescopic oil cylinder.
Preferably, described brace table is also fixed with installing plate, described bearing housing is bolted on described installing plate by second.
Preferably, described telescopic oil cylinder is external screw thread oil pressure single action cylinder, and external screw thread oil pressure single action cylinder is connected with described pretension mallet by screw thread.
As mentioned above, nuclear plant pressure vessels of the present utility model checks the pre-tightening tool of manipulator oscillating bearing used, there is following beneficial effect: have employed the mode that hydraulic-driven power and personnel's manual operation combine and carry out pretension, adopt hydraulic pump to drive pretension pressing plate by telescopic oil cylinder, the inner ring of back-to-back pair of horns contact ball bearing is lifted to center uniformly; When the pressure gauge reading of hydraulic pump reaches specified value, by personnel's manual operation, screw above-mentioned pre-loading screw uniformly in star-like mode, reach the effect that bearing outer ring clamps to center, thus reach the object of pretension.
Accompanying drawing explanation
Fig. 1 is shown as the pre-tightening tool schematic diagram that nuclear plant pressure vessels of the present utility model checks manipulator oscillating bearing used.
Fig. 2 is shown as described hydraulic pump schematic diagram of the present utility model.
Fig. 3 is shown as the side view that the utility model nuclear plant pressure vessels checks the pre-tightening tool of manipulator oscillating bearing used.
Fig. 4 is shown as the enlarged drawing at A place in Fig. 1.
Fig. 5 is shown as the enlarged drawing at B place in Fig. 3.
Element numbers explanation
1 oscillating bearing
11 rotate case lid
12 harmonic speed reducer steel wheels
13 angular contact ball bearings
Collar in 14 bearings
15 distance between bearings rings
16 bearing housings
17 first bolts
18 spring collars
19 tighten screw
2 installing plates
21 second bolts
3 bracing frames
4 pretension pressing plates
41 the 3rd bolts
5 telescopic oil cylinders
6 pretension mallets
7 adapters
8 hydraulic pumps
81 hydraulic oil pipes
82 Pressure gauges
Detailed description of the invention
By particular specific embodiment, embodiment of the present utility model is described below, person skilled in the art scholar the content disclosed by this description can understand other advantages of the present utility model and effect easily.
Refer to Fig. 1 to Fig. 5.Notice, structure, ratio, size etc. that this description institute accompanying drawings illustrates, content all only in order to coordinate description to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, still all should drop on technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, quote in this description as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the utility model.
As Fig. 1, shown in Fig. 3, the utility model provides a kind of nuclear plant pressure vessels to check the pre-tightening tool of manipulator oscillating bearing used, (it is existing mechanism to oscillating bearing 1, its structure division relevant to pretension is only described herein) comprise bearing housing 16, be placed in the rotation case lid 11 at bearing housing top, be located at the pair of horns contact ball bearing 13 in bearing housing 16, collar 14 in the bearing be connected with rotation case lid 11, particularly, see Fig. 3, shown in Fig. 4, rotate case lid 11, harmonic speed reducer steel wheel 12, in bearing, collar 14 is connected as a single entity by the first bolt 17, in bearing, collar 14 catches on the inner ring of the angular contact ball bearing 13 being positioned at below, the outer ring of pair of horns contact ball bearing 13 is arranged on bearing housing 16, and keeps a determining deviation by distance between bearings ring 15, and spring collar 18 is inserted in the groove of bearing housing 16, and spring collar 18 realizes joint shaft bearing axial location.Pre-tightening tool of the present utility model comprises the bracing frame 3 of supporting and location oscillating bearing 1, be located in the telescopic oil cylinder 5 that bracing frame 3 is connected with hydraulic pump 8 (as shown in Figure 2), the hydraulic hand-pump that the present embodiment hydraulic pump adopts, hydraulic pump 8 is provided with Pressure gauge 82, and the pretension mallet 6 to be connected with the movable end of telescopic oil cylinder 5, and with rotate the pretension pressing plate 4 that is connected of case lid 11, during pretension, pretension mallet 6 is located in oscillating bearing 1, pretension pressing plate 4 is located in the top of pretension mallet 6, and pretension mallet 6 has the radial protrusion that pretension pressing plate 4 can be withstood, pretension pressing plate 4 links with the angular contact ball bearing 12 being positioned at below by rotating case lid 11.The utility model adopts telescopic oil cylinder to drive pretension mallet by pretension pressing plate jack-up, and then pair of horns contact ball bearing is drawn close to center, realize the pretension to bearing, and can by observing pressure gauge reading, realize the accurate control of pretightning force, when reaching required pretightning force, more manually tighten be located at the screw 19 of tightening withstanding angular contact ball bearing inner ring rotated on case lid 11 can (as shown in Figure 5), it is easy to assembling, improves assembly precision simultaneously.
For ease of fixing joint bearing, above-mentioned bracing frame 3 comprises the supporting leg 32 of brace table 31 and supported platform, and brace table 31 is provided with the via hole worn for telescopic oil cylinder 5.Brace table 32 is also fixed with installing plate 2, and bearing housing 16 is fixed on installing plate 2 by the second bolt 21, realizes the location to oscillating bearing.The present embodiment telescopic oil cylinder 5 is external screw thread oil pressure single action cylinder, and external screw thread oil pressure single action cylinder is connected with pretension mallet 6 by screw thread, and cylinder surface realizes screw thread with the internal thread in via hole be connected from threaded.Above-mentioned hydraulic pump 8 with hydraulic oil pipe 81 be connected with telescopic oil cylinder 5 (i.e. external screw thread oil pressure single action cylinder) by adapter 7.
The top of above-mentioned pretension mallet 6 is thinner can by the radial protrusion of pretension pressing plate 4 jack-up to be formed, and it can be also Step Shaft, utilizes step surface by pretension pressing plate 4 jack-up.
The utility model also provides a kind of nuclear plant pressure vessels to check the pre-tension method of manipulator oscillating bearing used, this pre-tension method adopts nuclear plant pressure vessels described above to check the pre-tightening tool of manipulator oscillating bearing used, specifically comprise the following steps: A, as shown in Figure 1, the oscillating bearing 1 of wanted pretension is positioned on bracing frame 3, by pretension mallet 6 through oscillating bearing 1, again clamping platen 4 is located in the top of pretension mallet 6, and fixed by the rotation case lid 11 of the 3rd bolt 41 with oscillating bearing, now complete the installation before the location of oscillating bearing and pretension, B, hydraulic pump 8 is utilized to send oil in telescopic oil cylinder 5, and then control pretension mallet 6 drives pretension pressing plate 4 to move upward, the inner ring of pair of horns contact ball bearing 13 is drawn close to center uniformly, and observe Pressure gauge 82 reading constantly, when pressure gauge reading reaches expected value, again artificial by rotation case lid 11 on all screws 19 that holds out against holding out against angular contact ball bearing inner ring tighten, make it withstand angular contact ball bearing inner ring, so far complete the pretension to oscillating bearing.To dynamic balance during for realizing pretension, tightening the concrete mode holding out against screw 19 in above-mentioned steps B is: star-like mode holds out against screw-driving by all uniformly.
The utility model mainly have employed the mode that hydraulic-driven power and personnel's manual operation combine and carries out pretension.Adopt manual hydraulic pump 8, drive pretension pressing plate 4 by telescopic oil cylinder 5, the inner ring of back-to-back pair of horns contact ball bearing 13 is lifted to center uniformly; When the pressure gauge reading of hydraulic pump 8 reaches specified value, by personnel's manual operation, screw above-mentioned pre-loading screw 19 uniformly in star-like mode, reach the effect that bearing outer ring clamps to center, thus reach the object of pretension.
The utility model uses the hydraulic hand-pump self wearing Pressure gauge 82, solve the problem that pretightning force is difficult to control and estimate, and the handle that hydraulic hand-pump itself carries is easy to operate.Pretension mallet 6 can be changed according to joint shaft physical dimension, and need not change other parts of pre-tightening apparatus, solves the adaptability problem of pretension.The shortcomings such as personnel's package technique is not enough can be overcome, have and facilitate the assembling of manipulator critical component, the reliability that improves manipulator assembling, improve packaging efficiency and effect, raising assembly precision etc. have important function.
In sum, the utility model nuclear plant pressure vessels checks the pre-tightening tool of manipulator oscillating bearing used, telescopic oil cylinder is adopted to drive pretension mallet by pretension pressing plate jack-up, and then pair of horns contact ball bearing is drawn close to center, realize the pretension to bearing, and can by observing pressure gauge reading, realize the accurate control of pretightning force, when reaching required pretightning force, manually tighten again be located at that rotary box covers withstand angular contact ball bearing inner ring tighten screw, it is easy to assembling, improves assembly precision simultaneously.So the utility model effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.
Claims (4)
1. the pre-tightening tool of a nuclear plant pressure vessels inspection manipulator oscillating bearing used, described oscillating bearing (1) comprises bearing housing (16), be placed in the rotation case lid (11) at bearing housing top, be located at the pair of horns contact ball bearing (13) in bearing housing (16), collar (14) in the bearing be connected with described rotation case lid (11), in bearing, collar (14) catches on the inner ring of the described angular contact ball bearing (13) being positioned at below, it is characterized in that, described pre-tightening tool comprises the bracing frame (3) of oscillating bearing described in supporting and location (1), be located in the upper telescopic oil cylinder (5) be connected with hydraulic pump (8) of bracing frame (3), described hydraulic pump (8) is provided with Pressure gauge (82), and the pretension mallet (6) to be connected with the movable end of telescopic oil cylinder (5), and the pretension pressing plate (4) to be connected with described rotation case lid (11), during pretension, described pretension mallet (6) is located in described oscillating bearing (1), described pretension pressing plate (4) is located in the top of described pretension mallet (6), and pretension mallet (6) has the radial protrusion that described pretension pressing plate (4) can be withstood, described pretension pressing plate (4) is linked with the described angular contact ball bearing (13) being positioned at below by rotating case lid (11).
2. nuclear plant pressure vessels according to claim 1 checks the pre-tightening tool of manipulator oscillating bearing used, it is characterized in that: support frame as described above (3) comprises brace table (31) and supports the supporting leg (32) of described brace table (31), and described brace table (31) is provided with the via hole worn for described telescopic oil cylinder (5).
3. nuclear plant pressure vessels according to claim 2 checks the pre-tightening tool of manipulator oscillating bearing used, it is characterized in that: described brace table (31) is also fixed with installing plate (2), described bearing housing (16) is fixed on described installing plate (2) by the second bolt (21).
4. nuclear plant pressure vessels according to claim 1 checks the pre-tightening tool of manipulator oscillating bearing used, it is characterized in that: described telescopic oil cylinder (5) is connected with described pretension mallet (6) by screw thread for external screw thread oil pressure single action cylinder, external screw thread oil pressure single action cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420873132.0U CN204413977U (en) | 2014-12-30 | 2014-12-30 | Nuclear plant pressure vessels checks the pre-tightening tool of manipulator oscillating bearing used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420873132.0U CN204413977U (en) | 2014-12-30 | 2014-12-30 | Nuclear plant pressure vessels checks the pre-tightening tool of manipulator oscillating bearing used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204413977U true CN204413977U (en) | 2015-06-24 |
Family
ID=53464383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420873132.0U Withdrawn - After Issue CN204413977U (en) | 2014-12-30 | 2014-12-30 | Nuclear plant pressure vessels checks the pre-tightening tool of manipulator oscillating bearing used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204413977U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105798837A (en) * | 2014-12-30 | 2016-07-27 | 国核电站运行服务技术有限公司 | Pretightening tool and pretightening method of joint bearing for pressure container checking manipulator of nuclear power plant |
-
2014
- 2014-12-30 CN CN201420873132.0U patent/CN204413977U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105798837A (en) * | 2014-12-30 | 2016-07-27 | 国核电站运行服务技术有限公司 | Pretightening tool and pretightening method of joint bearing for pressure container checking manipulator of nuclear power plant |
| CN105798837B (en) * | 2014-12-30 | 2018-01-02 | 国核电站运行服务技术有限公司 | Nuclear plant pressure vessels check the pre-tightening tool and pre-tension method of oscillating bearing used in manipulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150624 Effective date of abandoning: 20180102 |
|
| AV01 | Patent right actively abandoned |