CN106694949B - It is a kind of for connect wrapping body and guide sleeve guiding transition sleeve - Google Patents
It is a kind of for connect wrapping body and guide sleeve guiding transition sleeve Download PDFInfo
- Publication number
- CN106694949B CN106694949B CN201611137773.XA CN201611137773A CN106694949B CN 106694949 B CN106694949 B CN 106694949B CN 201611137773 A CN201611137773 A CN 201611137773A CN 106694949 B CN106694949 B CN 106694949B
- Authority
- CN
- China
- Prior art keywords
- connecting pin
- wrapping body
- guide sleeve
- hole
- guiding transition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
Abstract
The invention discloses a kind of for connecting the guiding transition sleeve of wrapping body and guide sleeve, the guiding transition sleeve includes wrapping body connecting pin (1) and guide sleeve connecting pin (2), it is between wrapping body connecting pin (1) and guide sleeve connecting pin (2) linking arm (3), there are two retention bead (11) for setting in wrapping body connecting pin (1), for limiting in circumferential direction to guiding transition sleeve and wrapping body；Cylinder shape groove (21) are offered on guide sleeve connecting pin (2), for connecting with guiding transition sleeve；Multiple tapped blind holes (22) are offered on the end face of guide sleeve connecting pin (2), annular projection (12) are provided in wrapping body connecting pin (1), multiple countersunk head through-holes (121) and tapped through hole (122) are offered on annular projection (12).Guiding transition sleeve of the present invention, without influence, after removal without verifying to deep hole drilling equipment, while avoiding replacement and lengthening wrapping body on the precision of deep hole drilling equipment.
Description
Technical field
The invention belongs to end socket weep hole depth drill fields, more particularly to the depth drill field of remote inclined hole, specifically relate to
And it is a kind of for connecting the guiding transition sleeve of wrapping body and guide sleeve.
Background technique
Currently, being equipped with drain pipe, water delivery pore at the water chamber head manhole and each pressure inlet of steam generator class equipment
Processing in nuclear power generating equipment is manufactured and is produced using relatively broad, while with the fast development of nuclear power technology, steam generation
The manufacturing technology of device equipment is just gradually widely used.But in the manufacturing process of previous steam generator, because of manhole and adapter tube
The influence of mouth structure size, according to boring and milling machine processing method when processing weep hole, process is complicated, and precision is also difficult to protect
Card, therefore the method for using depth drill processing.
But remote structure is processed in deep hole drilling machine, alternatively, when being related to the processing of steam generator weep hole inclined hole,
In view of the influence of manhole and each pressure inlet structure size, the wrapping head length that common pipe sheet deep hole uses when processing is inadequate, nothing
Method realizes the case where directly processing weep hole.Therefore, hydrophobic pore need to have lengthen BOZA body when in use need to be by existing packet
It pricks body to remove, is changed to lengthening wrapping body.
And a part that wrapping body belongs to deep hole drilling equipment is lengthened, since its weight is bigger, outer dimension is also larger, every time
It after replacement, needs to carry out precision of equipment etc. and carries out calibration detection, time-consuming 2-3 days, strong influence manufacturing schedule extended
Production cycle, and repeatedly dismounting and change wrapping body easy to damage.Therefore, at this stage, Long Distance Deep Hole processing is being carried out, especially tiltedly
When hole machined, need replacing wrapping body to be is still the biggish technological problems of difficulty up to now.
Summary of the invention
In order to overcome the above problem, present inventor has performed sharp studies, design a kind of guiding transition sleeve, the guiding
Transition sleeve is for connecting wrapping body and guide sleeve, in this way, when carrying out depth drill especially Long Distance Deep Hole and boring, wrapping body with
Long Distance Deep Hole brill can be realized in installation guiding transition sleeve between guide sleeve, wrapping body is lengthened without replacing, to complete
The present invention.
In particular it is object of the present invention to provide it is a kind of for connect wrapping body and guide sleeve guiding transition sleeve,
It embodies in the following areas:
(1) a kind of for connecting the guiding transition sleeve of wrapping body and guide sleeve, wherein the guiding transition sleeve is cylindrical in shape,
It includes wrapping body connecting pin 1 and guide sleeve connecting pin 2, is linking arm between wrapping body connecting pin 1 and guide sleeve connecting pin 2
3, wherein
Setting is there are two the retention bead 11 of radial symmetric on wrapping body connecting pin 1, the retention bead 11 insertion with
Cooperation wrapping body, for radial direction to guiding transition sleeve and wrapping body limit；
Cylinder shape groove 21 is offered on guide sleeve connecting pin 2, the guide sleeve is embedded in the cylinder shape groove 21,
It is connect with guiding transition sleeve.
(2) the guiding transition sleeve according to above-mentioned (1), wherein
In the axial direction, the retention bead 11 is trapezoidal；
In radial directions, the retention bead 11 is in and coaxial arc-shaped of linking arm 3.
(3) the guiding transition sleeve according to above-mentioned (1) or (2), wherein opened up on the outer wall of guide sleeve connecting pin 2
There are multiple tapped blind holes 22, for being attached fixation with guide sleeve.
(4) the guiding transition sleeve according to one of above-mentioned (1) to (3), wherein
The longitudinal center line of the tapped blind hole 22 and the axial centerline parallel of guide sleeve connecting pin 2；And/or
The tapped blind hole 22 is radially symmetrical arranged.
(5) the guiding transition sleeve according to one of above-mentioned (1) to (4), wherein in wrapping body connecting pin 1 and linking arm 3
Annular projection 12 is provided on the position of intersection, wherein open up on annular projection 12, on position corresponding with tapped blind hole 22
There are multiple countersunk head through-holes 121.
(6) the guiding transition sleeve according to one of above-mentioned (1) to (5), wherein
The longitudinal center line of the countersunk head through-hole 121 and the axial centerline parallel of wrapping body connecting pin 1；And/or
The countersunk head through-hole 121 is radially symmetrical arranged.
(7) the guiding transition sleeve according to one of above-mentioned (1) to (6), wherein be additionally provided on annular projection 12 more
A tapped through hole 122, is preferably provided with 2~6, is more preferably provided with 2.
(8) the guiding transition sleeve according to one of above-mentioned (1) to (7), wherein
The longitudinal center line of the tapped through hole 122 and the axial centerline parallel of wrapping body connecting pin 1；And/or
The tapped through hole 122 is radially symmetrical arranged.
(9) the guiding transition sleeve according to one of above-mentioned (1) to (8), wherein
The central axis of the wrapping body connecting pin 1, guide sleeve connecting pin 2 and linking arm 3 is overlapped.
(10) the guiding transition sleeve according to one of above-mentioned (1) to (9), wherein
The outer diameter of the wrapping body connecting pin 1 is more than or equal to the outer diameter of linking arm 3, and wraps up body connecting pin 1 and linking arm 3
Outer diameter be respectively less than the outer diameter of guide sleeve connecting pin 2；And/or
Along the direction of guide sleeve connecting pin 2 to linking arm 3, the junction of the guide sleeve connecting pin 2 and linking arm 3 is outer
The gradually smaller cylinder of diameter；And/or
The internal diameter of the guide sleeve connecting pin 2 is greater than the internal diameter of linking arm 3；And/or
Along the direction that linking arm 3 is arrived to retention bead 11, the internal diameter of the wrapping body connecting pin 1 is gradually increased.
Detailed description of the invention
Fig. 1 shows the structural schematic diagram of guiding transition sleeve of the present invention；
Fig. 2 shows A-A in Fig. 1 to schematic cross-section；
Fig. 3 shows the schematic cross-section of B-B direction in Fig. 1；
Fig. 4 show C-C in Fig. 1 to schematic cross-section；
Fig. 5 show D-D in Fig. 3 and Fig. 4 to schematic cross-section.
Drawing reference numeral explanation:
1- wraps up body connecting pin；
11- retention bead；
12- annular projection；
121- countersunk head through-hole；
122- tapped through hole；
2- guide sleeve connecting pin；
21- cylinder shape groove；
22- tapped blind hole；
3- linking arm.
Specific embodiment
Below by drawings and examples, the present invention is described in more detail.Illustrated by these, the features of the present invention
It will be become more apparent from advantage clear.
The present invention provides a kind of for connecting the guiding transition sleeve of wrapping body and guide sleeve, as shown in Figure 1, the guiding
Transition sleeve is in cylinder-shaped comprising wrapping body connecting pin 1 and guide sleeve connecting pin 2 are connected in wrapping body connecting pin 1 with guide sleeve
It is linking arm 3 between end 2.
Wherein, the wrapping body connecting pin 1 is used to be cooperatively connected with wrapping body, and the guide sleeve connecting pin 2 is used for
It is cooperatively connected with guide sleeve, the linking arm 3 plays support and lengthening.
According to the present invention in a kind of preferred embodiment, the guiding transition sleeve can be according to actual condition needs, internal diameter
Slightly larger than BTA drill bit, guarantee that drill bit passes through, and selects reasonable length on the basis of ensuring the rigidity and intensity of linking arm 3
It spends (can lengthen as needed).
A kind of preferred embodiment according to the present invention, as shown in Figure 1, the wrapping body connecting pin 1, guide sleeve connecting pin
2 and the central axis of linking arm 3 be overlapped, the as center line axis of cylinder.
Wherein, the present invention is on the basis of the central axis of cylinder, circumferential direction (radial direction) direction and axial direction be with
For the central axis of cylinder.
A kind of preferred embodiment according to the present invention is provided with two on wrapping body connecting pin 1 as depicted in figs. 1 and 2
The retention bead 11 of a radial symmetric, the retention bead 11 are embedded in matched wrapping body, in radial direction to leading
It is limited to transition sleeve and wrapping body.
Wherein, card slot is provided in one end that wrapping body is connected with guide sleeve, the card slot and retention bead 11 are just
It can cooperate and be spliced into cylindrical shape, that is, retention bead 11 is caught in the card slot of wrapping body, in this way, not only realizing guiding transition
The connection of set and wrapping body, moreover, in radial directions, limiting guiding transition sleeve and wrapping up the rotation between body, play
The effect radially limited.
In further preferred embodiment, in the axial direction, the retention bead 11 is trapezoidal.
In embodiment still more preferably, in radial directions, the retention bead 11 is in coaxial with linking arm 3
It is arc-shaped.
Wherein, retention bead 11 mainly plays radial position-limiting action, and the design of shape and the shape of wrapping head inner card cage are matched
It closes.
A kind of preferred embodiment according to the present invention opens up on the end face of guide sleeve connecting pin 2 as shown in Figures 1 to 3
There are multiple tapped blind holes 22, for being attached fixation with guide sleeve.
Wherein, in the prior art, guide sleeve is directly connect with wrapping body, in its junction, is provided on guide sleeve
Multiple countersunk head through-holes, and tapped blind hole corresponding with the countersunk head through-hole on guide sleeve is provided on wrapping body.And in the present invention
In, the one end connecting with guide sleeve is provided with tapped blind hole, can directly cooperate with the countersunk head through-hole on guide sleeve, carry out
Guiding transition sleeve is fixedly connected with guide sleeve.Therefore, the position of tapped blind hole and quantity are according to countersunk head through-hole on guide sleeve
Position and quantity setting.
In further preferred embodiment, longitudinal center line and the guide sleeve connecting pin 2 of the tapped blind hole 22
Axial centerline parallel.
In embodiment still more preferably, the tapped blind hole 22 is radially symmetrical arranged.
A kind of preferred embodiment according to the present invention, as shown in Figure 1, intersect in wrapping body connecting pin 1 with linking arm 3
Annular projection 12 is provided on position.
Wherein, one end that wrapping body is connect with guiding transition sleeve is similar to the shape of guide sleeve connecting pin, with cylinder
Connected in star, when in use, in the cylinder shape groove of the wrapping body connecting pin 1 insertion wrapping body of 12 side of annular projection, so that ring
Shape protrusion 12 is just fallen on the cylindrical end face of wrapping body.
A kind of preferred embodiment according to the present invention, as shown in Figure 4 and Figure 5, on annular projection 12 and tapped blind hole
Multiple countersunk head through-holes 121 are offered on 22 corresponding positions.
Wherein, in the prior art, wrapping body is directly connect with guide sleeve, in its junction, in the cylinder of wrapping body
It is provided with multiple tapped blind holes on end face, and is provided on guide sleeve multiple in the corresponding countersunk head through-hole of tapped blind hole.And
In the present invention, the one end connecting with wrapping body is provided with countersunk head through-hole, can directly match with the tapped blind hole on wrapping body
It closes, carries out guiding transition sleeve and be fixedly connected with wrapping body.Therefore, the position of countersunk head through-hole and quantity are according to spiral shell on wrapping body
The position of line blind hole and quantity setting.
In further preferred embodiment, the longitudinal center line of the countersunk head through-hole 121 and the axis of wrapping body connecting pin 1
To centerline parallel.
In embodiment still more preferably, the countersunk head through-hole 121 is radially symmetrical arranged.
Wherein, countersunk head through-hole is set, in this way, nut can be fallen at countersunk head, it is not only beautiful, moreover, when in use, spiral shell
Mother will not be collided, and will not be rotated, be ensure that bonding strength.
A kind of preferred embodiment according to the present invention is also set up on annular projection 12 as shown in Fig. 2, Fig. 4 and Fig. 5
There are multiple tapped through holes 122, preferably 2~6, more preferably 2.
Wherein, on the cylindrical end face of wrapping body, that position corresponding with tapped through hole 122 does not open up screw thread is blind
Hole, but cylindrical end face, therefore, the tapped through hole 122 are not used to connection wrapping body.
In the present invention, specifically: at work (guiding transition being placed between guide sleeve and wrapping body and is carried out deeply
When hole drill), the tapped through hole 122 is simultaneously not involved in work, cuts little ice；After work, need to lead transition
It is removed to set, therefore, after the screw in countersunk head through-hole of dismantling, since guiding transition sleeve is combined closely with wrapping body radially,
The two separation is laborious big, therefore, when disassembly, can use this tapped through hole and screw, rotary screw will be oriented to transition sleeve
Wrapping body between separate, therefore, the through-hole 122 using will be oriented to transition sleeve from wrap up body on disassemble.
In further preferred embodiment, longitudinal center line and the wrapping body connecting pin 1 of the tapped through hole 122
Axial centerline parallel.
In embodiment still more preferably, the tapped through hole 122 is radially symmetrical arranged.
Wherein, the tapped through hole 122 is arranged symmetrically, and the wrapping body uniform force described in this way is easy to be detached from.
One kind has preferred embodiment according to the present invention, and as shown in Fig. 1~2, the outer diameter of the wrapping body connecting pin 1 is big
In the outer diameter for being equal to linking arm 3, and the outer diameter of wrapping body connecting pin 1 and linking arm 3 is respectively less than the outer diameter of guide sleeve connecting pin 2.
Wherein, the outer diameter of linking arm 3 can be slightly less than the outer diameter of wrapping body connecting pin 1, to ensure countersunk head through-hole 121 and screw thread
The processing of through-hole 122.
In further preferred embodiment, the direction of linking arm 3 is arrived along guide sleeve connecting pin 2, the guide sleeve connects
The junction for connecing end 2 and linking arm 3 is the gradually smaller cylinder of outer diameter, and weight is minimized on the basis of guaranteeing rigidity and intensity
Amount.
Wherein, the underface (in axial direction) of the end face of guide sleeve connecting pin 2 is provided with annular projection 12, therefore,
From guide sleeve connecting pin 2 to wrapping body connecting pin 1, the outer diameter needs for being oriented to transition sleeve gradually become smaller.
A kind of preferred embodiment according to the present invention, as shown in Fig. 1~2, the internal diameter of the guide sleeve connecting pin 2 is greater than
The internal diameter of linking arm 3 (3 internal diameter of linking arm is slightly larger than BTA outside diameter, it is ensured that BTA drill bit passes through).
In further preferred embodiment, the direction of retention bead 11, the wrapping body connecting pin are arrived along linking arm 3
1 internal diameter is gradually increased, and guarantees the assembly nozzle dimensions requirement of wrapping body end.
Wherein, in 3 direction of interior radial linking arm of wrapping body connecting pin 1, inner diameter size is gradual change, is intended merely in this way
Under the premise of the intensity for guaranteeing cylinder, mitigate the weight of guiding transition sleeve, it is light and handy nimble, and save cost.
A kind of preferred embodiment according to the present invention, the guiding transition sleeve use the medium harden ability quenched and tempered steel of 40Cr.
Guiding transition sleeve of the present invention belongs to tooling, on the precision of deep hole drilling equipment without influence, is dismantling or is installing
Without carrying out verification detection to deep hole drilling equipment after the complete guiding transition sleeve；Meanwhile the guiding transition sleeve and guide sleeve and
Wrapping body is attached by the cooperation of screw and tapped blind hole, easy to disassemble.
In the present invention, when carrying out depth drill, it is depth drill that the wrapping body, which is a part of deep hole drilling equipment lathe,
The general name of each part of spindle nose for processing positioning, the supply of cutting oil, drill guide of initial position, while providing necessary
Axial pre tightening force carries out the sealing of the cooling circuit of boring procedure, and required precision is high, and Ying Jinliang avoids replacing.
Beneficial effect possessed by the present invention includes:
(1) guiding transition nested structure of the present invention is simple, lightly nimble when using；
(2) guiding transition sleeve of the present invention is connected with guide sleeve and wrapping body by the cooperation of screw and tapped blind hole
It connects, it is easy to disassemble；
(3) guiding transition sleeve of the present invention belongs to tooling, on the precision of deep hole drilling equipment without influence, is dismantling or is pacifying
It is not necessarily to carry out verification detection to deep hole drilling equipment after installing the guiding transition sleeve；
(4) guiding transition sleeve of the present invention is installed in and leads for depth drill (when especially Long Distance Deep Hole bores)
To covering between wrapping body, avoids replacement and lengthen wrapping body.
In the description of the present invention, it should be noted that the orientation of the instructions such as term " on ", "inner", "outside" or position are closed
It is to be based on the orientation or positional relationship under working condition of the present invention, is merely for convenience of description of the present invention and simplification of the description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It is not considered as limiting the invention.
Combining preferred embodiment above, the present invention is described, but these embodiments are only exemplary
, only play the role of illustrative.On this basis, a variety of replacements and improvement can be carried out to the present invention, these each fall within this
In the protection scope of invention.
Claims (5)
1. a kind of for connecting the guiding transition sleeve of wrapping body and guide sleeve, which is characterized in that the guiding transition sleeve is cylindrical in shape,
It includes wrapping body connecting pin (1) and guide sleeve connecting pin (2), between wrapping body connecting pin (1) and guide sleeve connecting pin (2)
For linking arm (3), wherein
There are two the retention bead (11) of radial symmetric, retention bead (11) insertions for setting in wrapping body connecting pin (1)
Matched wrapping body, for being limited in radial direction to guiding transition sleeve and wrapping body；
It is offered on guide sleeve connecting pin (2) cylinder shape groove (21), the guide sleeve is embedded in the cylinder shape groove (21)
It is interior, it is connect with guiding transition sleeve,
In the axial direction, the retention bead (11) is trapezoidal；
In radial directions, the retention bead (11) be in coaxial arc-shaped of linking arm (3),
Multiple tapped blind holes (22) are offered on the end face of guide sleeve connecting pin (2), for being attached fixation with guide sleeve,
The longitudinal center line of the tapped blind hole (22) and the axial centerline parallel of guide sleeve connecting pin (2)；
The tapped blind hole (22) is radially symmetrical arranged,
Annular projection (12) are provided on the position that wrapping body connecting pin (1) is intersected with linking arm (3), wherein cyclic annular convex
It rises on (12), offer multiple countersunk head through-holes (121) on position corresponding with tapped blind hole (22),
The longitudinal center line of the countersunk head through-hole (121) and the axial centerline parallel of wrapping body connecting pin (1)；
The countersunk head through-hole (121) is radially symmetrical arranged,
Multiple tapped through holes (122) are additionally provided on annular projection (12)；
The longitudinal center line of the tapped through hole (122) and the axial centerline parallel of wrapping body connecting pin (1)；
The tapped through hole (122) is radially symmetrical arranged.
2. guiding transition sleeve according to claim 1, which is characterized in that the tapped through hole (122) is provided with 2~6.
3. guiding transition sleeve according to claim 2, which is characterized in that the tapped through hole (122) is provided with 2.
4. according to claim 1 to guiding transition sleeve described in one of 3, which is characterized in that
The central axis of wrapping body connecting pin (1), guide sleeve connecting pin (2) and linking arm (3) is overlapped.
5. according to claim 1 to guiding transition sleeve described in one of 3, which is characterized in that
The outer diameter of wrapping body connecting pin (1) is more than or equal to the outer diameter of linking arm (3), and wraps up body connecting pin (1) and connect
The outer diameter of arm (3) is respectively less than the outer diameter of guide sleeve connecting pin (2)；And/or
The direction of linking arm (3), the junction of the guide sleeve connecting pin (2) and linking arm (3) are arrived along guide sleeve connecting pin (2)
For the gradually smaller cylinder of outer diameter；And/or
The internal diameter of the guide sleeve connecting pin (2) is greater than the internal diameter of linking arm (3)；And/or
Along the direction that linking arm (3) is arrived to retention bead (11), the internal diameter of wrapping body connecting pin (1) is gradually increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611137773.XA CN106694949B (en) | 2016-12-12 | 2016-12-12 | It is a kind of for connect wrapping body and guide sleeve guiding transition sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611137773.XA CN106694949B (en) | 2016-12-12 | 2016-12-12 | It is a kind of for connect wrapping body and guide sleeve guiding transition sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106694949A CN106694949A (en) | 2017-05-24 |
| CN106694949B true CN106694949B (en) | 2019-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611137773.XA Active CN106694949B (en) | 2016-12-12 | 2016-12-12 | It is a kind of for connect wrapping body and guide sleeve guiding transition sleeve |
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| Publication number | Publication date |
|---|---|
| CN106694949A (en) | 2017-05-24 |
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