CN202684158U - Bondage body special for machining deep hole of tube plate - Google Patents
Bondage body special for machining deep hole of tube plate Download PDFInfo
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- CN202684158U CN202684158U CN 201220360134 CN201220360134U CN202684158U CN 202684158 U CN202684158 U CN 202684158U CN 201220360134 CN201220360134 CN 201220360134 CN 201220360134 U CN201220360134 U CN 201220360134U CN 202684158 U CN202684158 U CN 202684158U
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- hole
- wrapping
- cylindrical shell
- endoporus
- deep hole
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Abstract
The utility model relates to a bondage body special for machining a deep hole of a tube plate. The bondage body has a cylindrical structure; one end of the bondage body is provided with a round platform-shaped deep hole drill connecting end inner hole of which the hole diameter is reduced gradually; the same as a cylindrical central hole, a cylindrical guide sleeve connecting end inner hole with a larger hole diameter is communicated with the central hole; sealing grooves and annular bumps are formed on the outer wall of one side of the bondage body; through holes are formed in the annular bumps; and threaded holes are formed in the other side of the bondage hole. The bondage body special for machining the deep hole of the tube plate provided by the utility model is high in rigidity, high in precision, easy to install, guided reliably, firm, stable and wide in application range; and the problem of machining the deep hole machining when an initial drilling side of the tube plate of a nuclear power steam generator is provided with a short section or a cylinder is solved effectively.
Description
Technical field
The utility model relates to the pipe sheet deep hole process technology, specially refers to the special-purpose wrapping of a kind of pipe sheet deep hole processing body.
Background technology
Along with the development of China's nuclear industry, the drilling of tubesheet technology is more and more general, and constantly to the pipe sheet deep hole Processing Technology Development.Depth drill is in the nuclear steam generator manufacturing and use also comparatively extensive in producing.
Yet also there are some problems in the pipe sheet deep hole process technology of China at present, mainly contains following problems:
The first, generally speaking the steam generator plate substrate is SA-508, and surface overlaying 6～10mm is Ni-based, and tube sheet beginning boring side flange length is between 70～200mm.The boring side is with cylindrical shell but C2 steam generator tube sheet begins, body end surface is apart from tube sheet beginning boring surface 507mm, tube plate thickness 525mm means that the deep-hole drill bit one section idle stroke greater than 507mm of will passing by just can touch the surface that tube sheet begins boring, and easily producing deflection during boring can not meet the demands;
The second, depth drill main shaft radius is greater than 86mm, and during the edge hole of processing tube sheet, main shaft can interfere with each other with cylindrical shell, begins to carry out deep hole machining in the boring side neck body so that main shaft can't go deep into tube sheet.
Because the existence of the problems referred to above need to improve for the pipe sheet deep hole process technology, in order to can carry out accurate pipe sheet deep hole processing.
Summary of the invention
In view of above-mentioned present situation, in order to realize accurate groove welding, the inventor studies with keen determination, found that, can use two ends to carry out pipe sheet deep hole processing with depth drill and fairlead coupling and the middle wrapping body of offering the uniform centre hole respectively, solve tube sheet and begun the boring side with the deep hole machining problem in the cylindrical shell situation, solve wrapping body rigidity and be used a precision difficult problem with depth drill, satisfy tube sheet and begun the boring side with the deep hole machining in the cylindrical shell situation, guarantee borehole accuracy, thereby finished the utility model.
Purpose of the present utility model is to provide following aspect:
(1) the special-purpose wrapping of a kind of pipe sheet deep hole processing body, it is characterized in that, this wrapping body is tubular structure, the one end has the truncated cone-shaped depth drill link endoporus (6) that the aperture diminishes gradually, what communicate with depth drill link endoporus (6) is cylindrical interstitial hole (8), what communicate with interstitial hole (8) is the larger columniform fairlead link endoporus (9) in aperture, the central axes of depth drill link endoporus (6), interstitial hole (8) and fairlead link endoporus (9)
Outside at depth drill link endoporus (6), interstitial hole (8) and fairlead link endoporus (9) is wrapping body cylindrical shell (1),
Wherein, near the side end that depth drill link endoporus (6) is set, at wrapping body cylindrical shell (1) outer wall sealed groove (5) and annular projection (13) are set, through hole (4) are set in annular projection,
The end face that fairlead link endoporus (9) one sides are set in wrapping body cylindrical shell (1) arranges screwed hole (2).
(2) according to the special-purpose wrapping of above-mentioned (1) described pipe sheet deep hole processing body, it is characterized in that, on wrapping body cylindrical shell (1) inwall, in fairlead link endoporus (9) and wrapping body cylindrical shell (1) inwall joint assembling processing technology groove (3) is set.
(3) according to the special-purpose wrapping of above-mentioned (1) described pipe sheet deep hole processing body, it is characterized in that, on wrapping body cylindrical shell (1) outer wall, in contiguous sealed groove (5) one sides, in annular projection and wrapping body cylindrical shell (1) joint assembling processing technology groove (12) is set.
(4) according to the special-purpose wrapping of above-mentioned (1) described pipe sheet deep hole processing body, it is characterized in that, the center line of described screwed hole (2) and depth drill connect end endoporus (6), interstitial hole (8) is parallel with the central axis of fairlead link endoporus (9), and the center line of described through hole (4) and depth drill link endoporus (6), interstitial hole (8) are parallel with the central axis of fairlead link endoporus (9).
(5) according to the special-purpose wrapping of above-mentioned (1) described pipe sheet deep hole processing body, it is characterized in that the degree of depth of described sealed groove (5) is 2～5mm, width is 3～8mm.
(6) according to the special-purpose wrapping of above-mentioned (1) described pipe sheet deep hole processing body, it is characterized in that described wrapping body cylindrical shell (1) is made by the medium quenching degree quenched and tempered steel of 40Cr.
(7) according to the special-purpose wrapping of above-mentioned (1) described pipe sheet deep hole processing body, it is characterized in that described through hole (4) number is 4～16, through hole (4) is uniformly distributed on the described annular projection;
Described screwed hole (2) number is 4～16, and screwed hole (2) is uniformly distributed in the wrapping body cylindrical shell (1) and is provided with on the end face of fairlead link endoporus (9) one sides.
(8) according to the special-purpose wrapping of above-mentioned (1) described pipe sheet deep hole processing body, it is characterized in that the interstitial hole internal diameter is 23～45mm, interstitial hole length is 100～590mm.
(9) process special-purpose BOZA body wrapping body according to above-mentioned (1) described pipe sheet deep hole, it is characterized in that the form of described depth drill link endoporus (6) is the truncated cone-shaped that the aperture diminishes gradually, length is 40～60mm.
(10) according to the special-purpose wrapping of above-mentioned (1) described pipe sheet deep hole processing body, it is characterized in that described wrapping body cylindrical shell (1) is 50～100mm with depth drill link (11) external diameter, with fairlead link (10) external diameter be 80～95mm.
(11) according to the special-purpose wrapping of above-mentioned (1) described pipe sheet deep hole processing body, it is characterized in that the length of described fairlead link endoporus (9) is 30～50mm, the aperture of described fairlead link endoporus (9) is 30～60mm.。
The special-purpose wrapping of pipe sheet deep hole processing body according to the utility model provides can successfully carry out the deep hole machining process to tube sheet beginning boring side with cylindrical shell, can satisfy hole pitch and each axially bored line with respect to the requirement of tube sheet axis parallel degree, has guaranteed borehole accuracy.It is the deep hole machining of the tube sheet of the pipe nipple of 0～680mm or cylindrical shell with length that this device is applicable to the tube sheet boring side that begins, satisfy all tube plate of nuclear power steam generator beginnings of present stage and hole sides with the deep hole machining in pipe nipple or the cylindrical shell situation, and can guarantee the precision of deep hole machining.
Description of drawings
Fig. 1 illustrates the cross-sectional view according to the wrapping body of the utility model preferred embodiment.
The drawing reference numeral explanation
1-wraps up body
The 2-screwed hole
3-assembling and processing technology groove
The 4-through hole
The 5-sealed groove
6-depth drill link endoporus
The 7-datum axis
The 8-interstitial hole
9-fairlead link endoporus
10-fairlead link
11-depth drill link
12-assembling and processing technology groove
The 13-annular projection
The specific embodiment
Below in conjunction with accompanying drawing, further specify the utility model with reference to the preferred exemplary specific embodiment.Characteristics of the present utility model and advantage will become more clear along with these explanations.
Here special-purpose word " exemplary " means " as example, embodiment or illustrative ".Here needn't be interpreted as being better than or being better than other embodiment as " exemplary " illustrated any embodiment.Although accompanying drawing unless otherwise indicated, needn't be drawn in proportion in the various aspects of embodiment shown in the drawings.
In a preferred embodiment of the present utility model, as shown in Figure 1, the special-purpose wrapping of a kind of pipe sheet deep hole processing body is provided, this wrapping body comprises wrapping body cylindrical shell (1), the one end has the truncated cone-shaped depth drill link endoporus (6) that aperture diminishes gradually, what with depth drill link endoporus (6), communicate is cylindrical interstitial hole (8), what with interstitial hole (8), communicate is the larger columniform fairlead link endoporus (9) in aperture, the central axes of depth drill link endoporus (6), interstitial hole (8) and fairlead link endoporus (9)
Wherein, near the side end that depth drill link endoporus (6) is set, at wrapping body cylindrical shell (1) outer wall sealed groove (5) and annular projection (13) are set, through hole (4) are set in annular projection,
The end face that fairlead link endoporus (9) one sides are set in wrapping body cylindrical shell (1) arranges screwed hole (2).
In according to preferred embodiment of the present utility model, as shown in Figure 1, depth drill link endoporus (6), interstitial hole (8) and fairlead link endoporus (9) communicate, and three's central lines is take this center line as datum axis.
Preferably, described wrapping body cylindrical shell (1) is by the medium quenching degree quenched and tempered steel of 40Cr.
In according to preferred embodiment of the present utility model, as shown in Figure 1, the side that depth drill link endoporus (6) is set is depth drill link (11), depth drill link endoporus (6) wherein is used for being connected with depth drill, the side that fairlead link endoporus (9) is set is fairlead link (10), and fairlead link endoporus (9) wherein is used for being connected with fairlead.
In according to preferred embodiment of the present utility model, as shown in Figure 1, sealed groove (5) is used for being installed with depth drill and sealing smear metal oil.In the practice, the preferred sealed groove degree of depth is 2～5mm, and width is 3～8mm.
In according to preferred embodiment of the present utility model, as shown in Figure 1, be designed with a side of sealed groove, at annular projection (13) equally distributed through hole (4) is set, be used for fastening depth drill.Further preferably, uniform to be designed with 4～16 diameters be 9～21mm through hole 4, can utilize M8～M20 bolt that itself and depth drill are fixed.
In according to preferred embodiment of the present utility model, as shown in Figure 1, at the end face of fairlead link equally distributed screwed hole (2) is set, in order to by the bolted fairlead.Further preferably, uniform 4～16 M8～M16 screwed hole (2) that is designed with.
Further preferably, the center line of described screwed hole (2) and depth drill link endoporus (6), interstitial hole (8) are parallel with the central axis of fairlead link endoporus (9), and the center line of described through hole (4) and depth drill link endoporus (6), interstitial hole (8) are parallel with the central axis of fairlead link endoporus (9).
In further preferred embodiment, as shown in Figure 1, on wrapping body cylindrical shell (1) inwall, in fairlead link endoporus (9) and wrapping body cylindrical shell (1) inwall joint assembling processing technology groove (3) is set; On wrapping body cylindrical shell (1) outer wall, in contiguous sealed groove (5) one sides, in annular projection and wrapping body cylindrical shell (1) joint assembling processing technology groove (12) is set, does not leave fillet when guaranteeing the reconditioning internal-and external diameter, make the wrapping body with depth drill, can fit fully when fairlead is connected.More preferably, the degree of depth of processing technology groove (3) is 1～5mm, and width is 2～5mm.
In according to preferred embodiment of the present utility model, as shown in Figure 1, the form of described depth drill link endoporus (6) is the truncated cone-shaped that the aperture diminishes gradually, and length is 40～60mm.
In a preferred embodiment of the present utility model, as shown in Figure 1, the length of fairlead link endoporus (9) is 30～50mm.More preferably, the aperture of fairlead link endoporus (9) is 30～60mm, precision is H3～H6, and axiality is 0.001～0.02mm, perpendicularity is 0.001～0.01mm, be 0.1～0.4 μ m with the roughness that fairlead circumferentially cooperates, the roughness that cooperates with the fairlead end face is 0.2～0.8 μ m.
In a preferred embodiment of the present utility model, as shown in Figure 1, wrapping body cylindrical shell (1) is 50～100mm with depth drill link (11) external diameter, and precision is f4～f6, and roughness is 0.1～0.4 μ m.More preferably wrapping up body cylindrical shell (1) and fairlead link (10) external diameter is 80～95mm, and when preventing edge hole of deep hole machining tube sheet, fairlead and the tube sheet side neck body that begins to hole interferes with each other.
In a preferred embodiment of the present utility model, as shown in Figure 1, the interstitial hole internal diameter is 23～45mm, and interstitial hole length is 100～590mm.More preferably, the roughness of interstitial hole (8) is 0.8～6.3 μ m, to guarantee special-purpose wrapping body and depth drill, fairlead and drilling rod good axiality is arranged, and guarantees the precision of deep hole machining.
Wrap up body according to the pipe sheet deep hole processing special use that the utility model provides, has good rigidity, higher accuracy, and install simple, guiding is reliable, firm stable, the scope of application are wide, efficiently solve tube plate of nuclear power steam generator and begin the boring side with the deep hole machining problem in pipe nipple or the cylindrical shell situation.
Abovely in conjunction with specific embodiments the utility model is illustrated.But, these embodiments only are illustrative, and it is to protection domain of the present utility model and do not constitute any limitation.It will be appreciated by those skilled in the art that in the situation that does not exceed or depart from the utility model protection domain, the technical solution of the utility model and embodiment thereof have multiple modification, improvement or equivalent, these all should fall in the protection domain of the present utility model.
Claims (11)
1. body is wrapped up in a pipe sheet deep hole processing special use, it is characterized in that, this wrapping body is tubular structure, the one end has the truncated cone-shaped depth drill link endoporus (6) that the aperture diminishes gradually, what communicate with depth drill link endoporus (6) is cylindrical interstitial hole (8), what communicate with interstitial hole (8) is the larger columniform fairlead link endoporus (9) in aperture, the central axes of depth drill link endoporus (6), interstitial hole (8) and fairlead link endoporus (9)
Outside at depth drill link endoporus (6), interstitial hole (8) and fairlead link endoporus (9) is wrapping body cylindrical shell (1),
Wherein, near the side end that depth drill link endoporus (6) is set, at wrapping body cylindrical shell (1) outer wall sealed groove (5) and annular projection (13) are set, through hole (4) are set in annular projection,
The end face that fairlead link endoporus (9) one sides are set in wrapping body cylindrical shell (1) arranges screwed hole (2).
2. the special-purpose wrapping of pipe sheet deep hole processing according to claim 1 body is characterized in that, on wrapping body cylindrical shell (1) inwall, in fairlead link endoporus (9) and wrapping body cylindrical shell (1) inwall joint assembling processing technology groove (3) is set.
3. body is wrapped up in pipe sheet deep hole processing special use according to claim 1, it is characterized in that, on wrapping body cylindrical shell (1) outer wall, in contiguous sealed groove (5) one sides, in annular projection and wrapping body cylindrical shell (1) joint assembling processing technology groove (12) is set.
4. body is wrapped up in pipe sheet deep hole processing special use according to claim 1, it is characterized in that, the center line of described screwed hole and depth drill link endoporus (6), interstitial hole (8) are parallel with the central axis of fairlead link endoporus (9), and the center line of described through hole (4) and depth drill link endoporus (6), interstitial hole (8) are parallel with the central axis of fairlead link endoporus (9).
5. the special-purpose wrapping of pipe sheet deep hole processing according to claim 1 body is characterized in that the degree of depth of described sealed groove (5) is 2～5mm, and width is 3～8mm.
6. the special-purpose wrapping of pipe sheet deep hole processing according to claim 1 body is characterized in that described wrapping body cylindrical shell (1) is made by the medium quenching degree quenched and tempered steel of 40Cr.
7. the special-purpose wrapping of pipe sheet deep hole processing according to claim 1 body is characterized in that described through hole (4) number is 4～16, and through hole (4) is uniformly distributed on the described annular projection;
Described screwed hole (2) number is 4～16, and screwed hole (2) is uniformly distributed in the wrapping body cylindrical shell (1) and is provided with on the end face of fairlead link endoporus (9) one sides.
8. the special-purpose wrapping of pipe sheet deep hole processing according to claim 1 body is characterized in that the interstitial hole internal diameter is 23～45mm, and interstitial hole length is 100～590mm.
9. the special-purpose wrapping of pipe sheet deep hole processing according to claim 1 body is characterized in that the length of described hole drill link endoporus (6) is 40～60mm.
10. the special-purpose wrapping of pipe sheet deep hole processing according to claim 1 body is characterized in that the length of described fairlead link endoporus (9) is 30～50mm, and the aperture of described fairlead link endoporus (9) is 30～60mm.
11. the special-purpose wrapping of pipe sheet deep hole processing according to claim 1 body, it is characterized in that, described wrapping body cylindrical shell (1) is 50～100mm with depth drill link (11) external diameter, and described wrapping body cylindrical shell (1) is 80～95mm with fairlead link (10) external diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220360134 CN202684158U (en) | 2012-07-24 | 2012-07-24 | Bondage body special for machining deep hole of tube plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220360134 CN202684158U (en) | 2012-07-24 | 2012-07-24 | Bondage body special for machining deep hole of tube plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202684158U true CN202684158U (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220360134 Expired - Lifetime CN202684158U (en) | 2012-07-24 | 2012-07-24 | Bondage body special for machining deep hole of tube plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202684158U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106238778A (en) * | 2016-09-20 | 2016-12-21 | 上海电气核电设备有限公司 | A kind of pipe sheet deep hole process equipment |
| CN106694949B (en) * | 2016-12-12 | 2019-04-02 | 哈电集团（秦皇岛）重型装备有限公司 | It is a kind of for connect wrapping body and guide sleeve guiding transition sleeve |
-
2012
- 2012-07-24 CN CN 201220360134 patent/CN202684158U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106238778A (en) * | 2016-09-20 | 2016-12-21 | 上海电气核电设备有限公司 | A kind of pipe sheet deep hole process equipment |
| CN106238778B (en) * | 2016-09-20 | 2018-12-07 | 上海电气核电设备有限公司 | A kind of pipe sheet deep hole process equipment |
| CN106694949B (en) * | 2016-12-12 | 2019-04-02 | 哈电集团（秦皇岛）重型装备有限公司 | It is a kind of for connect wrapping body and guide sleeve guiding transition sleeve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |
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| CX01 | Expiry of patent term |