CN209007477U - Sleeve assembly is used in the fastening of modified Nuclear island equipment gate hinge nut - Google Patents
Sleeve assembly is used in the fastening of modified Nuclear island equipment gate hinge nut Download PDFInfo
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- CN209007477U CN209007477U CN201821373966.XU CN201821373966U CN209007477U CN 209007477 U CN209007477 U CN 209007477U CN 201821373966 U CN201821373966 U CN 201821373966U CN 209007477 U CN209007477 U CN 209007477U
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- sleeve
- fixed handle
- hole
- gate
- hinge nut
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Abstract
The utility model relates to a kind of modified Nuclear island equipment gate hinge nut fastening sleeve assemblies, the component is connect with hinge nut and gate lid respectively, the sleeve assembly includes sleeve (1), fixed handle (2), spacer pin (3) and gag lever post (4), the sleeve (1) is installed on hinge nut, one end of the fixed handle (2) is fixedly connected by spacer pin (3) with sleeve (1), and the other end of the fixed handle (2) is fixedly connected by gag lever post (4) with gate lid.Compared with prior art, the utility model has many advantages, such as that the processing is simple, operation is convenient reliable.
Description
Technical field
The utility model relates to fasten to use sleeve assembly field, more particularly, to a kind of modified Nuclear island equipment gate hinge
Sleeve assembly is used in nut fastening.
Background technique
The design of AP1000 Containment for PWR Nuclear Power Plant has 2 equipment gates, is respectively arranged in 107 inches and 135 inches
Platform provides channel for large equipment transport during installation and overhaul, is the edge device of nuclear power station third barrier.Equipment lock
Door is made of butterfly end socket (gate lid), flange (sealing surface), cylinder (doorframe), guide rail, crane and hinge bolt etc..In end socket
Outer circle has been evenly arranged 36 U-type grooves, 36 hinges one-to-one correspondence of this U-type groove and cylinder even circumferential arrangement.Equipment gate
After closing, hinge bolt is fastened with sleeve, is bonded end socket sealing surface with cylinder sealing surface, to reach the mesh of sealing
, prevent radioactive substance from leaking.
The sleeve that the construction site AP1000 uses equipment gate manufacturing firm to provide at present is closed in equipment gate and is grasped
During work, there are following technological deficiencies: when being fastened using sleeve to hinge bolt, due to depositing between hinge and U-type groove
In gap, hinge bolt can be deviateed its center line by sleeve twisting force, cause bolt tightly inclined, end socket and cylinder mismatch or
Mouthful, influence sealing effect.
Utility model content
The purpose of this utility model is exactly to provide a kind of modified core to overcome the problems of the above-mentioned prior art
Sleeve assembly is used in equipment gate hinge nut fastening in island.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of modified Nuclear island equipment gate hinge nut fastening sleeve assembly, the component respectively with hinge nut and lock
Door closure connection, which includes sleeve, fixed handle, spacer pin and gag lever post, and the sleeve is installed on hinge nut
On, one end of the fixed handle is fixedly connected by spacer pin with sleeve, and the other end of the fixed handle passes through limit
Position bar is fixedly connected with gate lid.
Preferably, the sleeve is the sleeve that lower part is equipped with one of annular groove.
Preferably, the annular groove depth h is less than the 3/4 of sleeve wall thickness and is greater than 5mm；The width of the groove
For 10mm.
Preferably, the fixed handle includes integrally formed annulus and handle, and the annulus includes that intersection is hollow
Great circle and roundlet, the great circle be inserted in sleeve, the roundlet is inserted in annular groove.
Preferably, the large and small circular diameter d of the circle center distance L of the depth of groove h, great circle and roundlet, axis of great circle d is small
And fixed handle ring part outer diameter D is outer, internal diameter D domestic demand meets the following conditions:
(d is big, and-d is small)2< L2< d is big2- d is small2；
Big+the d of L+d is small=D in；
Wherein: in the outer-D of D=h, the big-d of d is small=h.
Preferably, the annulus two sides of the fixed handle are equipped with 2 limit hole through-holes, 2 limit hole through-holes
Elongated central line be overlapped and, the spacer pin and 2 limit hole through-hole transition fits tangent with roundlet.
Preferably, the length of the spacer pin is than more 10~25mm outside fixed handle ring part outer diameter D.
Preferably, the root of the fixed handle is equipped with a positioning through hole, the positioning through hole and gag lever post mistake
Cross mating connection.
Preferably, the center of the positioning through hole and the center of roundlet are away from greater than hinge bolt center to gate lid edge
Distance.
Preferably, the gag lever post includes studs and two nuts, and the length of the studs is greater than lock
Door closure thickness, the gag lever post pass through positioning through hole and are bonded with gate lid edge, and two nuts are anchored on double end spiral shell
The both ends of column fix fixed handle with gate lid.
Compared with prior art, the utility model has the advantage that
1, the fixed handle to match is devised on the basis of original sleeve, fixed handle is matched with spacer pin, locating rod
It closes, sleeve is fixed, and keep the center of hinge bolt, is avoided in hinge bolt fastener cycle by twisting force
Deviation center causes head and cylinder mismatch or dehisces, influences sealing effect.
2, tool specification can make appropriate adjustment according to equipment gate specification and hinge bolt specification, real to meet scene
The installation of border situation and other same type equipment gates.
3, low in cost, processing technology is simple, Material Processing be No. 45 steel, it is low in cost, by simply machining i.e.
It can get.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of the sleeve assembly of the utility model；
Fig. 2 is the schematic cross-sectional view of the sleeve of the utility model
Fig. 3 is the schematic elevation view of the fixed handle of the utility model；
Fig. 4 is the schematic side view of the fixed handle of the utility model.
Wherein 1 is sleeve, and 2 be fixed handle, and 3 be spacer pin, and 4 be gag lever post, and 11 be annular groove, and 21 be annulus, 22
It is positioning through hole for handle, 23,211 be great circle, and 212 be roundlet, and 213 be limit hole through-hole.
Specific embodiment
The technical scheme in the embodiment of the utility model will be carried out clear, be fully described by, it is clear that described below
Embodiment is a part of the embodiment of the utility model, rather than whole embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work all should belong to this
The range of utility model protection.
As shown in figures 1-4, a kind of modified Nuclear island equipment gate hinge nut fastening sleeve assembly, to fasten
Its centrad is kept when equipment gate hinge bolt, which includes sleeve 1, fixed handle 2, spacer pin 3 and gag lever post
4, the sleeve 1 is installed on hinge nut top, and one end of the fixed handle 2 connects by the way that spacer pin 3 and sleeve are fixed
It connects, the other end of the fixed handle 2 is fixedly connected by gag lever post 4 with gate lid.
The sleeve 1 is common 12 square socket that lower part is equipped with one of annular groove 11.The depth of groove h is less than
Sleeve wall thickness 3/4 and be greater than 5mm；The width of the groove is 10mm.
The fixed handle 2 includes integrally formed annulus 21 and handle 22, and the annulus 21 includes that intersection is hollow
Great circle 211 and roundlet 212, the great circle 211 be inserted in sleeve 1, the roundlet 212 is inserted in groove 11.
The large and small circular diameter d of circle center distance L, axis of great circle d of the depth of groove h, great circle and roundlet are small and fix hand
Handle ring part outer diameter D is outer, internal diameter D domestic demand meets the following conditions:
(d is big, and-d is small)2< L2< d is big2- d is small2
Big+the d of L+d is small=D in
Wherein: in the outer-D of D=h, the big-d of d is small=h.
21 two sides of annulus of the fixed handle 2 are equipped with 2 limit hole through-holes 213,2 limit hole through-holes
213 elongated central line is overlapped and 213 transition fit of spacer pin 3 and 2 limit hole through-hole tangent with roundlet 212, described.
The length of the spacer pin 3 is than 10~25mm more outside annulus outer diameter D.The root of the fixed handle 2 is equipped with
One positioning through hole 23, the positioning through hole 23 and 4 transition fit of gag lever post.The center of the positioning through hole 23 and roundlet
212 center is away from the distance greater than hinge bolt center to gate lid edge.
The gag lever post 4 includes studs and two nuts, and it is thick that the length of the studs is greater than gate lid
Degree, the gag lever post 4 pass through positioning through hole 23 and are bonded with gate lid edge, and two nuts are anchored on studs
Both ends fix fixed handle 2 with gate lid.
The sleeve 1, fixed handle 2, spacer pin 3 and gag lever post 4 material be No. 45 steel materials.
The workflow of the utility model is as follows:
Step 1 first installs sleeve 1 to hinge nut top；
Fixed handle 2 is inserted in sleeve 1 by great circle 211, then roundlet 212 is inserted in groove 11 by step 2, is then worn
Enter spacer pin 3 to be defined fixed handle 2；
Step 3, the root that gag lever post 4 is penetrated to fixed handle 2, stirring handle makes gag lever post 4 and gate lid EDGE CONTACT；
Step 4 adjusts hinge bolt center, it is fixed in the upper lower nut of fastening gag lever post 4；
Step 5, last mounting torque spanner, according to torque requirement fastening hinge bolt.
The diameter of the limit hole through-hole 213 is 3mm, and the outer diameter of the spacer pin 3 is 3mm, and the positioning is logical
The diameter in hole 23 is 6mm, and the gag lever post 4 can be substituted by the studs of M5 common in the market × 0.8, respectively matches one up and down
The nut of M5 × 0.8 is matching.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can be readily occurred in various
Equivalent modifications or substitutions, these modifications or substitutions should be covered within the scope of the utility model.Therefore, this is practical
Novel protection scope should be subject to the protection scope in claims.
Claims (10)
1. a kind of modified Nuclear island equipment gate hinge nut fastening sleeve assembly, the component respectively with hinge nut and gate
Lid connection, which is characterized in that the sleeve assembly includes sleeve (1), fixed handle (2), spacer pin (3) and gag lever post (4), described
Sleeve (1) be installed on hinge nut, one end of the fixed handle (2) connects by the way that spacer pin (3) and sleeve (1) are fixed
It connects, the other end of the fixed handle (2) is fixedly connected by gag lever post (4) with gate lid.
2. component according to claim 1, which is characterized in that the sleeve (1) is that lower part is equipped with one of annular groove
(11) sleeve.
3. component according to claim 2, which is characterized in that annular groove (11) the depth h is less than sleeve wall thickness
3/4 and be greater than 5mm；The width of the groove is 10mm.
4. component according to claim 2, which is characterized in that the fixed handle (2) includes integrally formed annulus
(21) and handle (22), the annulus (21) include the hollow great circle (211) and roundlet (212) of intersection, the great circle
(211) it is inserted in sleeve (1), the roundlet (212) is inserted in annular groove (11).
5. component according to claim 4, which is characterized in that the circle center distance of the depth of groove h, great circle and roundlet
L, the large and small circular diameter d of axis of great circle d is small and fixed handle ring part outer diameter D is outer, internal diameter D domestic demand meets the following conditions:
(d is big, and-d is small)2< L2< d is big2- d is small2；
Big+the d of L+d is small=D in；
Wherein: in the outer-D of D=h, the big-d of d is small=h.
6. component according to claim 4, which is characterized in that annulus (21) two sides of the fixed handle (2) are equipped with 2
A limit hole through-hole (213), the elongated central lines of 2 limit hole through-holes (213) are overlapped and tangent with roundlet (212),
The spacer pin (3) and 2 limit hole through-hole (213) transition fits.
7. a kind of modified Nuclear island equipment gate hinge nut fastening sleeve assembly according to claim 6, feature
It is, the length of the spacer pin (3) is than 10~25mm more outside fixed handle (2) ring part outer diameter D.
8. a kind of modified Nuclear island equipment gate hinge nut fastening sleeve assembly according to claim 1, feature
It is, the root of the fixed handle (2) is equipped with a positioning through hole (23), the positioning through hole (23) and gag lever post
(4) transition fit connects.
9. a kind of modified Nuclear island equipment gate hinge nut fastening sleeve assembly according to claim 8, feature
It is, the center of the positioning through hole (23) and the center of roundlet (212) are away from greater than hinge bolt center to gate lid edge
Distance.
10. a kind of modified Nuclear island equipment gate hinge nut fastening sleeve assembly according to claim 9, feature
It is, the gag lever post (4) includes studs and two nuts, and it is thick that the length of the studs is greater than gate lid
Degree, the gag lever post (4) pass through positioning through hole (23) and are bonded with gate lid edge, and two nuts are anchored on double end spiral shell
The both ends of column fix fixed handle (2) with gate lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821373966.XU CN209007477U (en) | 2018-08-24 | 2018-08-24 | Sleeve assembly is used in the fastening of modified Nuclear island equipment gate hinge nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821373966.XU CN209007477U (en) | 2018-08-24 | 2018-08-24 | Sleeve assembly is used in the fastening of modified Nuclear island equipment gate hinge nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209007477U true CN209007477U (en) | 2019-06-21 |
Family
ID=66831701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821373966.XU Active CN209007477U (en) | 2018-08-24 | 2018-08-24 | Sleeve assembly is used in the fastening of modified Nuclear island equipment gate hinge nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209007477U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110856917A (en) * | 2018-08-24 | 2020-03-03 | 中电华元核电工程技术有限公司 | Improved generation nuclear island equipment gate hinge sleeve subassembly for nut fastening |
-
2018
- 2018-08-24 CN CN201821373966.XU patent/CN209007477U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110856917A (en) * | 2018-08-24 | 2020-03-03 | 中电华元核电工程技术有限公司 | Improved generation nuclear island equipment gate hinge sleeve subassembly for nut fastening |
| CN110856917B (en) * | 2018-08-24 | 2024-09-03 | 中电华元核电工程技术有限公司 | Sleeve assembly for fastening gate hinge nut of improved nuclear island equipment |
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