CN108825623A - A kind of pre-buried external screw thread swivel nut component in section of jurisdiction and its application - Google Patents
A kind of pre-buried external screw thread swivel nut component in section of jurisdiction and its application Download PDFInfo
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- CN108825623A CN108825623A CN201810941248.6A CN201810941248A CN108825623A CN 108825623 A CN108825623 A CN 108825623A CN 201810941248 A CN201810941248 A CN 201810941248A CN 108825623 A CN108825623 A CN 108825623A
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- screw thread
- external screw
- swivel nut
- buried
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000012212 insulator Substances 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 238000009434 installation Methods 0.000 claims abstract description 19
- 238000003780 insertion Methods 0.000 claims abstract description 7
- 230000037431 insertion Effects 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 239000004567 concrete Substances 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000012545 processing Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 239000011150 reinforced concrete Substances 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/005—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects with anchoring or fastening elements for the shaped articles
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
- E21D11/083—Methods or devices for joining adjacent concrete segments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/005—Set screws; Locking means therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of pre-buried external screw thread swivel nut component in section of jurisdiction and its applications, including pre-buried external screw thread swivel nut and positioning bolt, screw insulator seat and steel flat support, in the square hole of the small square body insertion steel flat support of the screw insulator seat, pre-buried external screw thread swivel nut screws in the screw-internal thread fit in the through-hole of screw insulator seat by the external screw thread of pre-buried external screw thread swivel nut and screw insulator block hole, and the thread segment of positioning bolt is inserted into the centre bore of pre-buried external screw thread swivel nut and is screwed by the external screw thread of positioning bolt with pre-buried external screw thread swivel nut centre bore screw-internal thread fit.Convenient for being embedded in concrete pipe sheet when carrying out section of jurisdiction processing, external installation conduit is carried out again after tunnel duct piece is installed, installation is firm, and easy for construction, durability is strong, easy to operate；Conduit becomes the carrier of all kinds of component installations of tunnel internal, is not only easily installed maintenance but also easy maintenance and replacement.
Description
Technical field
The present invention relates to the mounting device of duct pieces of shield tunnel accessory, a kind of specific pre-buried external screw thread swivel nut group in section of jurisdiction
Part and its application background technology
Underground Rail Transit shield tunnel is the tubular knot connected by the arc-shaped reinforced concrete segment of muti-piece
Structure is originally and metal channels is embedded in the section of jurisdiction of armored concrete that providing when installing necessary facility for tunnel internal can
The structural member fixed and supported a little leaned on is pacified in the tunnel of shield due to reinforced concrete segment and by pre-buried metal channels
It is that not can be carried out replacement after dress, the life cycles of pre-buried metal channels is much smaller than the period of reinforced concrete segment, and one
The pre-buried metal channels corrosion of denier will bring hidden trouble to traffic safety.
Summary of the invention
The present invention provides a kind of pre-buried external screw thread swivel nut component in section of jurisdiction and its application, convenient for pre-buried when carrying out section of jurisdiction processing
In concrete pipe sheet, external installation conduit is carried out again after tunnel duct piece is installed, conduit becomes all kinds of structures of tunnel internal
The carrier of part installation, is not only easily installed maintenance but also easy maintenance and replacement.
In order to solve the above the deficiencies in the prior art, the technical solution adopted by the present invention is that such, a kind of section of jurisdiction is pre-buried
External screw thread swivel nut component and its application, including pre-buried external screw thread swivel nut, positioning bolt, screw insulator seat and steel flat support；
Described pre-buried external screw thread swivel nut ontology one end is equipped with flange end, and flange end is hexagon, circle or oblateness；In advance
It buries external screw thread swivel nut ontology and one end outer surface of flange end is provided with multiple annular grooves, pre-buried external screw thread swivel nut ontology is far from convex
The end surface of acies is equipped with external screw thread, is additionally provided with a centre bore containing internal screw thread, the annular groove is close to flange end side
Side wall and bottom wall angle are fillet, and side wall of the annular groove far from flange end side and bottom wall angle are obtuse angle；
The positioning bolt is the column that a middle part has boss, and column is divided into 2 sections by the boss, respectively
For thread segment and socket cap, thread segment outer surface is equipped with the external screw thread to match with centre bore internal screw thread, and socket cap centre bit installs
It is equipped with the interior hex shaped groove for rotating bolt；
The screw insulator seat is stairstepping, and one end is small square body, and the other end is generous body, in screw insulator seat
The heart is equipped with the internal thread through hole to match with pre-buried external screw thread swivel nut external screw thread；
The steel flat support is rectangle steel plate, and centre is equipped with one and the small square body size matching of screw insulator seat
Square hole；
In the square hole of the small square body insertion steel flat support of the screw insulator seat, pre-buried external screw thread swivel nut screws in insulation
Pass through the screw-internal thread fit of the external screw thread of pre-buried external screw thread swivel nut and screw insulator block hole, positioning bolt in the through-hole of threaded block
Thread segment be inserted into the centre bore of pre-buried external screw thread swivel nut through the external screw thread of positioning bolt and pre-buried external screw thread swivel nut center
Hole screw-internal thread fit screws.
Preferably, the pre-buried external screw thread swivel nut ontology is 3~4 close to the quantity of the outer surface of flange end setting annular groove
A, the width of annular groove is 3~7 millimeters, and side of the annular groove far from flange end side and bottom wall angle are 120 °~150 °.
Preferably, pre-buried external screw thread swivel nut is stainless steel products, is embedded in concrete and never corrodes and fail, and is protected
The life cycle for having demonstrate,proved tunnel is synchronous with concrete pipe sheet.
Pre-buried external screw thread swivel nut total length is 60~150 millimeters, and pre-buried external screw thread swivel nut internal screw thread is M8~M16, effectively
Length >=25 millimeter, diameter are 14~20 millimeters.
Preferably, the flange end is hexagon, circle or oblateness, and the diameter of flange end is than pre-buried external screw thread swivel nut
Ontology diameter is 5~15 millimeters big, flange end with a thickness of 3~15 millimeters.
Preferably, the positioning bolt screw thread segment length is 8~20 millimeters, and socket cap length is 2~5 millimeters, boss
With a thickness of 1~3 millimeter.The length that the depth of interior hex shaped groove is greater than cylindrical section adds the sum of boss thickness.The positioning bolt is convex
The outer diameter of platform≤pre-buried external screw thread swivel nut body diameter.
The screw insulator seat is made of insulating materials, and small rectangular body thickness is greater than 3~5 millimeters of steel flat support thickness, greatly
The length of square body two sides is greater than 2~3 millimeters of small square body.The width of generous body is of same size with small square body.
The present invention also provides a kind of manufacture crafts of the section of jurisdiction of pre-buried external screw thread swivel nut component, include the following steps：
1) the socket cap insertion section of jurisdiction of pre-buried external screw thread swivel nut component positioning bolt is poured to the positioning hole of die bottom plate；
2) position of the screw insulator seat on the square hole of steel flat support, the adjustment pre-buried external screw thread swivel nut of external screw thread and pipe are adjusted
After piece pours die bottom plate holding vertically, band steel both ends are fixed on the steel mesh that section of jurisdiction pours in mould cavity；
3) it rotates pre-buried external screw thread swivel nut to positioning bolt boss plane and section of jurisdiction and pours die bottom plate plane and compress, with mixed
Solidifying soil pouring molding；
4) after the molding of section of jurisdiction, the section of jurisdiction of pre-buried external screw thread swivel nut component is taken out in lifting, by section of jurisdiction pour mold with it is pre-buried
The section of jurisdiction of external screw thread swivel nut component is detached from.
The present invention also provides two kinds of sections of jurisdiction using above-mentioned pre-buried external screw thread swivel nut component to carry out the installation of external conduit
Method,
Method one：Positioning bolt is unloaded, hex bolts passes through conduit with lock washer and anti-rotation pressing plate and screws in pre-buried outer spiral shell
Line swivel nut fastens outside conduit；
Method two：The positioning bolt on the section of jurisdiction of pre-buried external screw thread swivel nut component is unloaded, hexagon socket head cap screw matches lock washer
Pre-buried external screw thread swivel nut is screwed in across conduit, is fastened inside conduit.
Beneficial effect：
1. the present invention is guaranteed pre-buried outer using screw insulator seat and the steel flat support being fixed on the steel mesh in die cavity
It is vertical that thread screw sleeve and section of jurisdiction pour die bottom plate holding, is suitble to the installation of cambered conduit.
2. the present invention when carrying out section of jurisdiction processing convenient for being embedded in concrete pipe sheet, after tunnel duct piece is installed again
External installation conduit is carried out, installation is firm, and easy for construction, durability is strong, easy to operate；Conduit becomes all kinds of components of tunnel internal
The carrier of installation is not only easily installed maintenance but also easy maintenance and replacement.
Detailed description of the invention
Fig. 1 is pre-buried external screw thread swivel nut component structure diagram；
Fig. 2 is pre-buried external screw thread screw bushing structure schematic diagram；
Fig. 3 is positioning bolt structural schematic diagram；
Fig. 4 is screw insulator seat figure；
Fig. 5 is steel flat support figure；
Fig. 6 is the pre-buried external screw thread swivel nut component installation structure figure in section of jurisdiction；
Fig. 7 is the outer installation diagram of external conduit slot；
Fig. 8 is anti-rotation pressure plate structure figure；
Fig. 9 is installation diagram in external conduit slot.
1. 6. boss of pre-buried 2. positioning bolt of external screw thread swivel nut 3. flange end, 4. annular groove, 5. centre bore, 7. thread segment
8. 10. screw insulator seat of hex shaped groove, 11. generous 13. steel flat support of body, 14. side of small square body 12. in socket cap 9.
15. section of jurisdiction of hole pours 18. hexagon socket head cap screw of die bottom plate 16. die bottom plate location hole, 17. conduit, 19. lock washer
20. 21. hex bolts of anti-rotation pressing plate, 22. concrete
Specific embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment and attached drawing, the invention will be further described, should
The examples are only for explaining the invention, is not intended to limit the scope of the present invention..
Embodiment 1：
Referring to Fig. 1-5, a kind of pre-buried external screw thread swivel nut component in section of jurisdiction and its application, including pre-buried external screw thread swivel nut 1 and fixed
Position bolt 2, the pre-buried 1 ontology one end of external screw thread swivel nut of the external screw thread are equipped with flange end 3；Pre-buried 1 ontology of external screw thread swivel nut leans on
One end outer surface of nearly flange end 3 is provided with multiple annular grooves 4, and pre-buried 1 ontology of external screw thread swivel nut is equipped with far from one end of flange end 3
External screw thread is additionally provided with a centre bore 5 containing internal screw thread；Side wall of the annular groove 4 close to 3 side of flange end be with bottom wall angle
Fillet, side wall of the annular groove far from 3 side of flange end and bottom wall angle are obtuse angle；The positioning bolt 2 is a middle part with convex
Column is divided into 2 sections by the column of platform 6, the boss 6, is divided into thread segment 7 and socket cap 8, and 7 outer surface of thread segment is equipped with
The external screw thread to match with 5 internal screw thread of centre bore, 8 center of socket cap is provided with the interior hex shaped groove 9 for rotating bolt.Also
Including screw insulator seat 10 and steel flat support 13；The screw insulator seat 10 is stair-stepping pedestal, and one end is small square body
11, the other end is generous body 12, the internal screw thread that base central and pre-buried external screw thread swivel nut external screw thread match；The band steel branch
Frame 13 is rectangle steel plate, and centre is equipped with the square hole 14 of one with the small square body outer dimension matching of screw insulator seat, described
In the square hole 14 of the small square body insertion steel flat support 13 of screw insulator seat 10, pre-buried external screw thread swivel nut 1 screws in screw insulator seat
The screw-internal thread fit of 10 the through-hole interior external screw thread by pre-buried external screw thread swivel nut and screw insulator block hole, positioning bolt 2
Thread segment is inserted into the centre bore of pre-buried external screw thread swivel nut 1 through the external screw thread of positioning bolt and pre-buried external screw thread swivel nut centre bore
Screw-internal thread fit screws.
Specifically, pre-buried 1 ontology of external screw thread swivel nut is 3 left sides close to the quantity of the outer surface of flange end 3 setting annular groove 4
The right side, the width of annular groove 4 are 5 millimeters or so, and side of the annular groove 4 far from 3 side of flange end and bottom wall angle are 145 ° or so.It is pre-buried
External screw thread swivel nut 1 is steel part, and pre-buried 1 total length of external screw thread swivel nut is 75~100 millimeters, pre-buried 1 internal screw thread of external screw thread swivel nut
Effective length >=25 millimeter, diameter be 18~20 millimeters.Flange end 3 be hexagon, circle or oblateness, flange end 3 it is straight
Diameter than pre-buried big 10 millimeters of external screw thread swivel nut ontology diameter or so, flange end 3 with a thickness of 3~15 millimeters.
2 thread segment of positioning bolt, 7 length is 8~20 millimeters, and socket cap length is 2~5 millimeters, and boss is with a thickness of 1~3 milli
Rice.The length that the depth of interior hex shaped groove 9 is greater than socket cap adds the sum of boss thickness.The outer diameter of the positioning bolt boss≤pre-
Bury the body diameter of external screw thread swivel nut.Thread segment 7 is M8~M16, and pre-buried external screw thread swivel nut screw-internal thread fit, socket cap 8 with
Section of jurisdiction pours the location hole transition fit on die bottom plate.
The screw insulator seat 10 is made of insulating materials, and small rectangular body thickness is greater than 3-5 millimeters of steel flat support thickness,
The length of generous body two sides is greater than square body 2-3 millimeters small.The width of generous body is of same size with small square body.
Embodiment 2
Referring to Fig. 6, a kind of manufacture craft of the section of jurisdiction of pre-buried external screw thread swivel nut component includes the following steps：
1) the socket cap insertion section of jurisdiction of pre-buried external screw thread swivel nut component positioning bolt 2 is poured to the location hole of die bottom plate
It is interior；
2) adjust position of the screw insulator seat 10 on the square hole 14 of steel flat support 13, adjust pre-buried external screw thread swivel nut 1 with
Section of jurisdiction pours after die bottom plate 15 keeps vertical, and 13 both ends of steel flat support are fixed on section of jurisdiction and pour steel mesh in mould cavity
On；
3) it rotates pre-buried external screw thread swivel nut 1 to 2 boss of positioning bolt, 6 plane and section of jurisdiction and pours 15 plane pressure of die bottom plate
Tightly, it is finally formed with concreting；
4) after the molding of section of jurisdiction, the section of jurisdiction of pre-buried external screw thread swivel nut component is taken out in lifting, by section of jurisdiction pour mold with it is pre-buried
The section of jurisdiction of external screw thread swivel nut component is detached from.
Embodiment 3：
Referring to Fig. 7, the method that the section of jurisdiction of pre-buried external screw thread swivel nut component carries out the installation of external conduit is：Unload positioning spiral shell
Bolt 2, hexagon socket head cap screw 18 pass through conduit 17 with lock washer 19 and screw in pre-buried external screw thread swivel nut 1, fasten inside conduit 17.
Embodiment 4：
Referring to Fig. 9, the method that the section of jurisdiction of pre-buried external screw thread swivel nut component carries out the installation of external conduit is：Unload positioning spiral shell
Bolt 2, hex bolts 21 passes through conduit 17 with lock washer 19 and anti-rotation pressing plate 20 and screws in pre-buried external screw thread swivel nut 1, in outside conduit
Portion's fastening.
In the present embodiment, the anti-rotation pressing plate 20 by steel plate as shown in figure 8, be molded, for rectangular body, center
Equipped with the centre bore passed through for hex bolts 21, center-hole diameter is greater than 1 millimeter of bolt outer diameter, and 20 both ends of anti-rotation pressing plate are outward
45-degree-buckling forms the card slot for blocking conduit outer wall, and 45-degree-buckling formation is matched with conduit notch inwardly at anti-rotation pressing plate 20 middle part
Boss.
When carrying out section of jurisdiction processing, pre-buried external screw thread swivel nut is embedded in concrete pipe sheet, is installed to tunnel duct piece
Cheng Houzai carries out external installation conduit, and conduit is tightly secured on the inner wall of section of jurisdiction by bolt and pressure pole, and conduit becomes tunnel
The carrier of internal all kinds of component installations, is not only easily installed maintenance but also easy maintenance and replacement.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of pre-buried external screw thread swivel nut component in section of jurisdiction and its application, which is characterized in that including pre-buried external screw thread swivel nut, positioning spiral shell
Bolt, screw insulator seat and steel flat support；
Described pre-buried external screw thread swivel nut ontology one end is equipped with flange end, and flange end is hexagon, circle or oblateness；It is pre-buried outer
Thread screw sleeve ontology is provided with multiple annular grooves close to one end outer surface of flange end, and pre-buried external screw thread swivel nut ontology is far from flange end
End surface be equipped with external screw thread, be additionally provided with a centre bore containing internal screw thread, side wall of the annular groove close to flange end side
It is fillet with bottom wall angle, side wall of the annular groove far from flange end side and bottom wall angle are obtuse angle；
The positioning bolt is the column that a middle part has boss, and column is divided into 2 sections, respectively spiral shell by the boss
Line section and socket cap, thread segment outer surface are equipped with the external screw thread to match with centre bore internal screw thread, and socket cap center is provided with
For rotating the interior hex shaped groove of bolt；
The screw insulator seat is stairstepping, and one end is small square body, and the other end is generous body, and screw insulator seat center is set
There is the internal thread through hole to match with pre-buried external screw thread swivel nut external screw thread；
The steel flat support is rectangle steel plate, and centre is equipped with the side of one with the small square body size matching of screw insulator seat
Hole；
In the square hole of the small square body insertion steel flat support of the screw insulator seat, pre-buried external screw thread swivel nut screws in screw insulator
Pass through the screw-internal thread fit of the external screw thread of pre-buried external screw thread swivel nut and screw insulator block hole, the spiral shell of positioning bolt in the through-hole of seat
Line section is inserted into the centre bore of pre-buried external screw thread swivel nut by the external screw thread of positioning bolt and pre-buried external screw thread swivel nut centre bore
It is threadedly engaged and screws.
2. a kind of component of the pre-buried external screw thread swivel nut in section of jurisdiction according to claim 1, which is characterized in that pre-buried external screw thread spiral shell
The quantity for covering ontology close to the outer surface of flange end setting annular groove is 3-4, and the width of annular groove is 3-7 millimeters.
3. a kind of component of the pre-buried external screw thread swivel nut in section of jurisdiction according to claim 1, which is characterized in that annular groove is far from flange
The side and bottom wall angle for holding side are 120 °~150 °.
4. a kind of component of the pre-buried external screw thread swivel nut in section of jurisdiction according to claim 1, which is characterized in that pre-buried external screw thread spiral shell
The total length of set is 60~150 millimeters, effective length >=25 millimeter of pre-buried external screw thread swivel nut internal screw thread.
5. positioning bolt according to claim 1, which is characterized in that the screw thread segment length is 8~20 millimeters, cylinder
Head length is 2~5 millimeters, and boss is with a thickness of 1~3 millimeter.
6. positioning bolt according to claim 1, which is characterized in that the depth of interior hex shaped groove is greater than the length of cylindrical section
Add the sum of boss thickness.
7. a kind of pre-buried external screw thread swivel nut component in section of jurisdiction according to claim 1 and its application, which is characterized in that described fixed
Outer diameter≤pre-buried external screw thread swivel nut body diameter of position bolt boss.
8. a kind of manufacture craft of pre-buried external screw thread swivel nut component section of jurisdiction, which is characterized in that include the following steps：
1) the socket cap insertion section of jurisdiction of pre-buried external screw thread swivel nut component positioning bolt pours the positioning hole of die bottom plate；
2) position of the screw insulator seat on the square hole of steel flat support is adjusted, pre-buried external screw thread swivel nut is adjusted and section of jurisdiction pours mold
After bottom plate keeps vertical, band steel both ends are fixed on the steel mesh that section of jurisdiction pours in mould cavity；
3) it rotates pre-buried external screw thread swivel nut to positioning bolt boss plane and section of jurisdiction and pours die bottom plate plane compression, then with mixed
Solidifying soil pouring molding；
4) after the molding of section of jurisdiction, the section of jurisdiction of pre-buried external screw thread swivel nut component is taken out in lifting, and section of jurisdiction is poured mold and pre-buried outer spiral shell
The section of jurisdiction of line swivel nut component is detached from.
9. the method for carrying out the installation of external conduit using the section of jurisdiction of the pre-buried external screw thread swivel nut component of claim 8, feature exist
In bolt bottle opener is inserted into positioning bolt and unloads positioning bolt in hex shaped groove, hex bolts matches lock washer and anti-rotation pressure
Plate passes through conduit and screws in pre-buried external screw thread swivel nut, fastens outside conduit.
10. the method for carrying out the installation of external conduit using the section of jurisdiction of the pre-buried external screw thread swivel nut component of claim 8, feature exist
In：Bolt bottle opener is inserted into positioning bolt and unloads positioning bolt in hex shaped groove, hexagon socket head cap screw passes through slot with lock washer
Road screws in pre-buried external screw thread swivel nut, fastens inside conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810941248.6A CN108825623A (en) | 2018-08-17 | 2018-08-17 | A kind of pre-buried external screw thread swivel nut component in section of jurisdiction and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810941248.6A CN108825623A (en) | 2018-08-17 | 2018-08-17 | A kind of pre-buried external screw thread swivel nut component in section of jurisdiction and its application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108825623A true CN108825623A (en) | 2018-11-16 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810941248.6A Withdrawn CN108825623A (en) | 2018-08-17 | 2018-08-17 | A kind of pre-buried external screw thread swivel nut component in section of jurisdiction and its application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108825623A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667348A (en) * | 2018-12-29 | 2019-04-23 | 北京城建信捷轨道交通工程咨询有限公司 | Structure pre-buried casing, anchor and anchoring process |
| CN111720397A (en) * | 2020-05-22 | 2020-09-29 | 东莞市中机建科实业有限公司 | Shear-resistant and slippage-resistant connecting pair with adjustable mounting position and method |
-
2018
- 2018-08-17 CN CN201810941248.6A patent/CN108825623A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667348A (en) * | 2018-12-29 | 2019-04-23 | 北京城建信捷轨道交通工程咨询有限公司 | Structure pre-buried casing, anchor and anchoring process |
| CN111720397A (en) * | 2020-05-22 | 2020-09-29 | 东莞市中机建科实业有限公司 | Shear-resistant and slippage-resistant connecting pair with adjustable mounting position and method |
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