CN204689360U - Detachable pressure container mother nut hoist tool - Google Patents
Detachable pressure container mother nut hoist tool Download PDFInfo
- Publication number
- CN204689360U CN204689360U CN201520322022.XU CN201520322022U CN204689360U CN 204689360 U CN204689360 U CN 204689360U CN 201520322022 U CN201520322022 U CN 201520322022U CN 204689360 U CN204689360 U CN 204689360U
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- China
- Prior art keywords
- outside
- stay bearing
- bearing plate
- fagging
- mother nut
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- Expired - Fee Related
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- 230000004888 barrier function Effects 0.000 claims description 28
- 230000003014 reinforcing effect Effects 0.000 claims description 18
- 239000000725 suspension Substances 0.000 claims description 18
- 230000002787 reinforcement Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 208000033999 Device damage Diseases 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Fencing (AREA)
Abstract
The utility model belongs to pressure container king bolt, nut service technique field, be specifically related to a kind of detachable pressure container mother nut hoist tool, object, when solving unit refueling outage, occurs that mother nut falls and injure the problem of people or damage equipment by a crashing object in a dead lift mother nut process.It is characterized in that, it comprises can assembled hanging basket, safe fence and hanger; Safe fence is arranged on can on the upper surface of assembled hanging basket; Hanger is arranged on can on four angles of assembled hanging basket.Application of the present utility model not only shortens production time, is priorly a cancellation mother nut in handling process and easily falls the potential safety hazard of the personnel that cause and device damage.
Description
Technical field
The utility model belongs to pressure container king bolt, nut service technique field, is specifically related to a kind of detachable pressure container mother nut hoist tool.
Background technology
Reactor pressure vessel body and top cover are undertaken fastening by 56 king bolts, nut, to ensure the sealing of run duration pressure container flange sealing surface.Each unit refueling outage, all needs to loosen and removes pressure container all 56 king bolts, nut and pads, hanging top cover and carry out operation of reloading.For the unit using monomer stretcher, use monomer bolt stretching machine and stubborn bolt machine, loosen and the king bolt of pressure container body flange bolt hole of back-outing, nut and pad, need their liftings specially be deposited in transport basket to 7, be transported to radioactivation maintenance factory building (AC factory building) and carry out cleaning and checking.Now mother nut is arranged on the screw thread of king bolt top.Cleaning when checking king bolt, nut needs mother nut all to screw out from screw thread position, king bolt top, is placed into ground after taking out above king bolt simultaneously.Every mother nut weight is about 30KG, by the artificial top being increased to 1.8 meters of king bolts successively from the king bolt screw position of about 1.5 meters high, then is put into 0 meter face.Pass through artificial according to contrary order after the cleaning of king bolt, nut has checked, then mother nut is inserted in king bolt.
Mother nut, by a dead lift, is not only wasted time and energy, and due to its smooth surface, is easily slipped out of the hand and fall, cause personnel and device damage in handling process, there is larger potential safety hazard.
Utility model content
The purpose of this utility model is when solving unit refueling outage, occur in a dead lift mother nut process that mother nut falls and injure the problem of people or damage equipment by a crashing object, provide a kind of hoisting tool special, coordinated by crane, each basket of mother nut can be hung king bolt successively, or hang in the detachable pressure container mother nut hoist tool of king bolt.
The utility model is achieved in that
A kind of detachable pressure container mother nut hoist tool, comprising can assembled hanging basket, safe fence and hanger; Safe fence is arranged on can on the upper surface of assembled hanging basket; Hanger is arranged on can on four angles of assembled hanging basket.
As above can assembled hanging basket comprise outside draw money on credit fagging, the short stay bearing plate in outside, intermediate support plate, long strengthen gusset and short reinforcement gusset; Outside fagging of drawing money on credit has two, arranged in parallel; The short stay bearing plate in outside has two, arranged in parallel; The outside short stay bearing plate of fagging and outside of drawing money on credit surrounds rectangular frame jointly, and four summits are fixedly connected with; Intermediate support plate has three, is arranged on the inner side of two short stay bearing plates in outside, and be parallel to the short stay bearing plate in outside, two ends fagging of drawing money on credit with two outsides is respectively fixedly connected with; Long gusset of strengthening has two, is welded on two outsides respectively and draws money on credit the bottom surface of fagging; Short reinforcement gusset has two, is welded on the bottom surface of two short stay bearing plates in outside respectively.
Long support slab integral in outside as above is oblong tabular; A square groove is had in the upper surface at the two ends of lateral branch fagging; The through hole with hanger form fit is had below outside long support plate square groove; The arc-shaped slot with mother nut form fit is had in the inner side of long support plate upper surface, outside; Multiple unthreaded hole is evenly distributed with along its length in the upper surface of outside long support plate;
The short stay bearing plate entirety in described outside is oblong tabular; In outside, the lower surface at short stay bearing plate two ends has a square groove, and the draw money on credit square groove of fagging of size and outside matches; The short stay bearing plate in outside and outside fagging of drawing money on credit are achieved a fixed connection by intermeshing of groove; The through hole with hanger form fit is had above the short stay bearing plate square groove in outside; In outside, the inner side of short stay bearing plate upper surface has the arc-shaped slot with mother nut form fit; In outside, the upper surface of short stay bearing plate is evenly distributed with multiple unthreaded hole along its length;
Described midship mounting slab integral is oblong tabular; The circular arc shape groove along upper surface line of centers symmetry is had in intermediate support plate upper surface; Two unthreaded holes are evenly distributed with along length is square in intermediate support plate upper surface.
Hanger as above comprises suspension ring reinforcing sleeve and ringbolt; Suspension ring reinforcing sleeve and ringbolt respectively have four; Suspension ring reinforcing sleeve entirety is for falling screw shaped, and upper surface has tapped bore; Draw money on credit through outside the through hole of the short stay bearing plate of through hole and outside of fagging successively in draw money on credit from the outside lower surface of fagging end of suspension ring reinforcing sleeve; Ringbolt is screwed into the tapped bore of suspension ring reinforcing sleeve from top.
Safe fence height 165mm as above.
Safe fence as above comprises fence and pipe link bottom circle top barrier, column, circle; Circle top barrier surrounds oblong by cylindrical tube, and corner is circular arc, matches with the profile of mother nut; Circle bottom fence is positioned at the below of circle top barrier, and contour structures is identical with circle top barrier; Circle bottom fence and circle top barrier are all parallel to can assembled hanging basket place plane; Uprights vertical is in circle bottom fence and enclose top barrier, total multiple, and upper end is welded with circle top barrier, and bottom is welded, in the unthreaded hole of drawing money on credit on the short stay bearing plate of fagging and outside outside lower end is fixed on circle bottom fence; Pipe link has three, is welded on the long limit, two, front and back of circle top barrier respectively; Three pipe links are arranged in parallel, and the length direction along the circle long limit of top barrier is uniformly distributed.
Can assembled hanging basket, safe fence and hanger stainless steel material be all adopted to make as above.
The beneficial effects of the utility model are:
The utility model comprises can assembled hanging basket, safe fence and hanger.Application of the present utility model not only shortens production time, is priorly a cancellation mother nut in handling process and easily falls the potential safety hazard of the personnel that cause and device damage.
Accompanying drawing explanation
Fig. 1 be detachable pressure container mother nut hoist tool of the present utility model can the birds-eye view of assembled hanging basket;
Fig. 2 draws money on credit the birds-eye view of fagging in the outside of detachable pressure container mother nut hoist tool of the present utility model;
Fig. 3 draws money on credit the A-A cutaway view of fagging in the outside of detachable pressure container mother nut hoist tool of the present utility model;
Fig. 4 is the birds-eye view of the short stay bearing plate in outside of detachable pressure container mother nut hoist tool of the present utility model;
Fig. 5 is the B-B cutaway view of the short stay bearing plate in outside of detachable pressure container mother nut hoist tool of the present utility model;
Fig. 6 is the section-drawing of the ringbolt reinforcing sleeve of detachable pressure container mother nut hoist tool of the present utility model;
Fig. 7 is the front view of the safe fence of detachable pressure container mother nut hoist tool of the present utility model;
Fig. 8 is the front view of the safe fence of detachable pressure container mother nut hoist tool of the present utility model.
Wherein: 1. fagging of drawing money on credit outside, short stay bearing plate, 3. intermediate support plate 2., 4. suspension ring reinforcing sleeve, 5. ringbolt, 6. long reinforcement gusset, 7. short reinforcement gusset, 8. enclose top barrier, 9. column, 10. circle bottom fence, 11. pipe links.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described further.
A kind of detachable pressure container mother nut hoist tool, comprising can assembled hanging basket, safe fence and hanger.Safe fence is arranged on can on the upper surface of assembled hanging basket.Hanger is arranged on can on four angles of assembled hanging basket.Fixed placement mother nut can be used for by assembled hanging basket.Safe fence is used in handling mother nut process, prevent nut from skidding off can assembled hanging basket.Hanger is for connecting suspension ring.
As shown in Figure 1, can assembled hanging basket comprise outside draw money on credit fagging 1, the short stay bearing plate in outside 2, intermediate support plate 3, long strengthen gusset 6 and short reinforcement gusset 7.Outside fagging 1 of drawing money on credit has two, arranged in parallel.The short stay bearing plate 2 in outside has two, arranged in parallel.The outside short stay bearing plate 2 of fagging 1 and outside of drawing money on credit surrounds rectangular frame jointly, and four summits are fixedly connected with.Intermediate support plate 3 has three, is arranged on the inner side of two short stay bearing plates 2 in outside, and be parallel to the short stay bearing plate 2 in outside, two ends fagging 1 of drawing money on credit with two outsides is respectively fixedly connected with.Long gusset 6 of strengthening has two, is welded on two outsides respectively and draws money on credit the bottom surface of fagging 1.Short reinforcement gusset 7 has two, is welded on the bottom surface of two short stay bearing plates 2 in outside respectively.Long gusset 6 and the short reinforcement gusset 7 strengthened is respectively used to prevent outside to draw money on credit the stressed rear generation deformation of the short stay bearing plate of fagging 1 and outside 2.
As shown in Figure 1, Figure 2 and Figure 3, fagging 1 entirety is drawn money on credit for oblong tabular in outside.A square groove is had, for connecting the short stay bearing plate 2 in outside in the upper surface at the two ends of lateral branch fagging 1.The through hole with hanger form fit is had below outside long support plate 1 square groove.The arc-shaped slot with mother nut form fit is had, for fixing mother nut in the inner side of outside long support plate 1 upper surface.Multiple unthreaded hole is evenly distributed with along its length, for installing safe fence in the upper surface of outside long support plate 1.
As shown in Figure 1, Figure 4 and Figure 5, short stay bearing plate 2 entirety in outside is oblong tabular.In outside, the lower surface at short stay bearing plate 2 two ends has a square groove, and the draw money on credit square groove of fagging 1 of size and outside matches.The short stay bearing plate 2 in outside and outside fagging 1 of drawing money on credit are achieved a fixed connection by intermeshing of groove.The through hole with hanger form fit is had above short stay bearing plate 2 square groove of outside.In outside, the inner side of short stay bearing plate 2 upper surface has the arc-shaped slot with mother nut form fit, for fixing mother nut.In outside, the upper surface of short stay bearing plate 2 is evenly distributed with multiple unthreaded hole along its length, for installing safe fence.
As shown in Figure 1, intermediate support plate 3 entirety is oblong tabular.The circular arc shape groove along upper surface line of centers symmetry is had, for fixing mother nut in intermediate support plate 3 upper surface.Two unthreaded holes are evenly distributed with, for installing safe fence along length is square in intermediate support plate 3 upper surface.
As shown in figures 1 to 6, hanger comprises suspension ring reinforcing sleeve 4 and ringbolt 5.Suspension ring reinforcing sleeve 4 and ringbolt 5 respectively have four.Suspension ring reinforcing sleeve 4 entirety is for falling screw shaped, and upper surface has tapped bore.Draw money on credit through outside the through hole of the short stay bearing plate 2 of through hole and outside of fagging 1 successively in draw money on credit from the outside lower surface of fagging 1 end of suspension ring reinforcing sleeve 4.Ringbolt 5 is screwed into the tapped bore of suspension ring reinforcing sleeve 4 from top.Suspension ring reinforcing sleeve 4 is for increase area of thrust surface, simultaneously easy accessibility when lifting by crane.
As shown in Figure 7 and Figure 8, safe fence height 165mm, comprises circle top barrier 8, column 9, circle bottom fence 10 and pipe link 11.Circle top barrier 8 surrounds oblong by cylindrical tube, and corner is circular arc, matches with the profile of mother nut.Circle bottom fence 10 is positioned at the below of circle top barrier 8, and contour structures is identical with circle top barrier 8.Circle bottom fence 10 and circle top barrier 8 are all parallel to can assembled hanging basket place plane.Column 9 is perpendicular to circle bottom fence 10 and enclose top barrier 8, total multiple, and upper end is welded with circle top barrier 8, and bottom is welded, in the unthreaded hole of drawing money on credit on the short stay bearing plate 2 of fagging 1 and outside outside lower end is fixed on circle bottom fence 10.Pipe link 11 has three, is welded on respectively on the long limit, two, front and back of circle top barrier 8.Three pipe links 11 are arranged in parallel, and the length direction along the circle long limit of top barrier 8 is uniformly distributed.
In the present embodiment, can assembled hanging basket, safe fence and hanger stainless steel material be all adopted to make, because stainless steel material not easily gets rusty and material is softer, not easy damaged king bolt and mother nut.
Using method of the present utility model is: screw out king bolt top screw thread but when being also enclosed within king bolt at mother nut, in gap between king bolt below one basket of mother nut, assembled hanging basket, installs four hangers, then is torn open in the hole of hanging basket by the safe fence at four sides.Crane coordinates special hanger of slinging, and is hung by one basket of mother nut to maintenance ground.When installing mother nut, move into wherein at 0 meter of good suspender of installation on ground by mother nut, crane coordinates to be sling one basket of mother nut and to be inserted in king bolt, and take off safe fence, dismounting hanger, decomposes hanging basket, hoist tool dismounting is taken out.
The utility model comprises can assembled hanging basket, safe fence and hanger.Application of the present utility model not only shortens production time, is priorly a cancellation mother nut in handling process and easily falls the potential safety hazard of the personnel that cause and device damage.
Claims (7)
1. a detachable pressure container mother nut hoist tool, is characterized in that: it comprises can assembled hanging basket, safe fence and hanger; Safe fence is arranged on can on the upper surface of assembled hanging basket; Hanger is arranged on can on four angles of assembled hanging basket.
2. detachable pressure container mother nut hoist tool according to claim 1, is characterized in that: described can assembled hanging basket comprise outside draw money on credit fagging (1), the short stay bearing plate in outside (2), intermediate support plate (3), longly strengthen gusset (6) and short reinforcement gusset (7); Outside fagging (1) of drawing money on credit has two, arranged in parallel; The short stay bearing plate in outside (2) has two, arranged in parallel; Draw money on credit fagging (1) and outside short stay bearing plate (2) of outside surrounds rectangular frame jointly, and four summits are fixedly connected with; Intermediate support plate (3) has three, is arranged on the inner side of the two short stay bearing plate in outsides (2), is parallel to the short stay bearing plate in outside (2), and two ends fagging (1) of drawing money on credit with two outsides is respectively fixedly connected with; Long gusset (6) of strengthening has two, is welded on two outsides respectively and draws money on credit the bottom surface of fagging (1); Short reinforcement gusset (7) has two, is welded on the bottom surface of the two short stay bearing plate in outsides (2) respectively.
3. detachable pressure container mother nut hoist tool according to claim 2, is characterized in that: fagging (1) entirety is drawn money on credit for oblong tabular in described outside; A square groove is had in the upper surface at the two ends of lateral branch fagging (1); The through hole with hanger form fit is had below outside long support plate (1) square groove; The arc-shaped slot with mother nut form fit is had in the inner side of outside long support plate (1) upper surface; Multiple unthreaded hole is evenly distributed with along its length in the upper surface of outside long support plate (1);
The short stay bearing plate in described outside (2) entirety is oblong tabular; In outside, the lower surface at short stay bearing plate (2) two ends has a square groove, and the draw money on credit square groove of fagging (1) of size and outside matches; The short stay bearing plate in outside (2) and outside fagging (1) of drawing money on credit are achieved a fixed connection by intermeshing of groove; In outside, the top of short stay bearing plate (2) square groove has the through hole with hanger form fit; In outside, the inner side of short stay bearing plate (2) upper surface has the arc-shaped slot with mother nut form fit; In outside, the upper surface of short stay bearing plate (2) is evenly distributed with multiple unthreaded hole along its length;
Described intermediate support plate (3) entirety is oblong tabular; The circular arc shape groove along upper surface line of centers symmetry is had in intermediate support plate (3) upper surface; Two unthreaded holes are evenly distributed with along length is square in intermediate support plate (3) upper surface.
4. detachable pressure container mother nut hoist tool according to claim 3, is characterized in that: described hanger comprises suspension ring reinforcing sleeve (4) and ringbolt (5); Suspension ring reinforcing sleeve (4) and ringbolt (5) respectively have four; Suspension ring reinforcing sleeve (4) entirety is for falling screw shaped, and upper surface has tapped bore; Draw money on credit through outside the through hole of through hole and outside short stay bearing plate (2) of fagging (1) successively in draw money on credit from the outside lower surface of fagging (1) end of suspension ring reinforcing sleeve (4); Ringbolt (5) is screwed into the tapped bore of suspension ring reinforcing sleeve (4) from top.
5. detachable pressure container mother nut hoist tool according to claim 1, is characterized in that: described safe fence height 165mm.
6. detachable pressure container mother nut hoist tool according to claim 3, is characterized in that: described safe fence comprises circle top barrier (8), column (9), circle bottom fence (10) and pipe link (11); Circle top barrier (8) surrounds oblong by cylindrical tube, and corner is circular arc, matches with the profile of mother nut; Circle bottom fence (10) is positioned at the below of circle top barrier (8), and contour structures is identical with circle top barrier (8); Circle bottom fence (10) and enclose that top barrier (8) is all parallel to can assembled hanging basket place plane; Column (9) is perpendicular to circle bottom fence (10) and circle top barrier (8), total multiple, upper end is welded with circle top barrier (8), bottom is welded with circle bottom fence (10), in the unthreaded hole of drawing money on credit on fagging (1) and outside short stay bearing plate (2) outside lower end is fixed on; Pipe link (11) has three, is welded on the long limit, two, front and back of circle top barrier (8) respectively; Three pipe links (11) are arranged in parallel, and the length direction along circle top barrier (8) long limit is uniformly distributed.
7. detachable pressure container mother nut hoist tool according to claim 1, is characterized in that: described can assembled hanging basket, safe fence and hanger all adopt stainless steel material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520322022.XU CN204689360U (en) | 2015-05-18 | 2015-05-18 | Detachable pressure container mother nut hoist tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520322022.XU CN204689360U (en) | 2015-05-18 | 2015-05-18 | Detachable pressure container mother nut hoist tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204689360U true CN204689360U (en) | 2015-10-07 |
Family
ID=54229675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520322022.XU Expired - Fee Related CN204689360U (en) | 2015-05-18 | 2015-05-18 | Detachable pressure container mother nut hoist tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204689360U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112320559A (en) * | 2020-09-27 | 2021-02-05 | 中核核电运行管理有限公司 | Manhole cover plate hoisting device for voltage stabilizer of nuclear power unit |
-
2015
- 2015-05-18 CN CN201520322022.XU patent/CN204689360U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112320559A (en) * | 2020-09-27 | 2021-02-05 | 中核核电运行管理有限公司 | Manhole cover plate hoisting device for voltage stabilizer of nuclear power unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 |