CN108591225B - Foundation bolt and machining and using methods thereof - Google Patents
Foundation bolt and machining and using methods thereof Download PDFInfo
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- CN108591225B CN108591225B CN201810457195.0A CN201810457195A CN108591225B CN 108591225 B CN108591225 B CN 108591225B CN 201810457195 A CN201810457195 A CN 201810457195A CN 108591225 B CN108591225 B CN 108591225B
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- positioning shaft
- rod
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000003754 machining Methods 0.000 title claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 238000010079 rubber tapping Methods 0.000 claims abstract description 7
- 238000003672 processing method Methods 0.000 claims abstract description 5
- 238000005553 drilling Methods 0.000 claims abstract description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000006378 damage Effects 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000003801 milling Methods 0.000 claims description 3
- 230000003449 preventive effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Classifications
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- 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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/04—Locking of screws, bolts or nuts in which the locking takes place after screwing down with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw
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- 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
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
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- 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
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a foundation bolt and a processing and using method thereof, which solve the problem that the operation is complicated and inconvenient when the foundation bolt is subjected to concrete pouring and theft prevention, and the key points of the technical scheme are that the foundation bolt comprises a bolt rod and a nut; the side edge of the nut is provided with a positioning hole, and a positioning shaft, a positioning pin and an elastic piece positioned between the positioning shaft and the positioning pin are arranged in the positioning hole; the bolt rod comprises a smooth rod part and a threaded part, and a V-shaped accommodating groove comprising a side edge and a bottom edge is formed in the side edge of one end, away from the smooth rod part, of the threaded part; the side can restrict the nut and unscrew the passing through of locating pin, and the base can make the locating pin pass through smoothly when the nut is screwed up, and the processing method includes: drilling; tapping; processing external threads; installing a spring; blanking round steel; processing threads; grooving; the using method comprises the following steps: burying foundation bolts; installing a tower; fixing a nut; the rotating groove is destroyed, when in use, the positioning shaft is screwed down and the rotating groove is damaged, so that the anti-theft effect can be realized, and the operation is convenient and fast.
Description
Technical Field
The invention relates to the technical field of building fasteners, in particular to a foundation bolt and a processing and using method thereof.
Background
A large number of foundation bolts are used in the erection process of a power transmission line iron tower and various signal iron towers, the foundation bolts are main parts for connecting the iron tower and a foundation, and the whole iron tower is fixed through the matching of the bolts and nuts; at present, in order to prevent the nut from loosening and prevent the nut from being stolen or damaged after the nut is screwed down, the foundation bolt protective cap is poured in a concrete pouring mode after the construction of an iron tower is finished; the construction method needs to transport concrete raw materials and a stirring machine, and has the problems of long pouring time of concrete and complicated and inconvenient construction operation.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a foundation bolt and a processing and using method thereof, wherein a nut can be locked on a bolt rod through simple operation, so that the fastening performance and the safety of the nut can be ensured, and the convenience and the rapidness of construction operation can be ensured.
In order to achieve the purpose, the invention provides the following technical scheme: a rag bolt comprises a bolt rod and a nut; the nut is characterized in that a positioning hole which is perpendicular to the axis of the nut and is mutually communicated with an inner hole of the nut is formed in the side edge of the nut, a positioning shaft which is in threaded connection with the nut is arranged at one end, close to the outer side of the nut, of the positioning hole, a positioning pin which can slide in the positioning hole along the axial direction of the positioning hole is arranged at one end, close to the inner side of the nut, of the positioning hole, an elastic part is arranged between the positioning shaft and the positioning pin, one end of the elastic part is fixedly connected with the positioning shaft, the other end of the elastic part is fixedly connected with the positioning shaft, and a rotating groove which is matched with a screwdriver is formed in one end, close to the outer side of the nut, of the positioning shaft;
the bolt rod comprises a smooth rod part and a threaded part, and a V-shaped accommodating groove is formed in the side edge of one end, away from the smooth rod part, of the threaded part; the holding tank includes side and base, and the side can restrict the nut and unscrew the time-fixing pin's of passing through, and the base can make the fixing pin pass through smoothly when the nut is screwed up.
Through adopting above-mentioned technical scheme, screw up the nut during use, the base can make the locating pin pass through smoothly in the middle of the process that the nut was screwed up, and when the nut was screwed up to specific position and was unscrewed again, made the locating pin unable pass through under the effect of side to make the nut unable from the shank of bolt unscrew, only need to fix a position epaxial rotation groove damage this moment, can prevent that the nut from being unscrewed from the shank of bolt and steal, and convenient operation is swift.
The invention is further configured to: the side edges are parallel to the radial direction of the bolt rod, the included angle between the side edges and the bottom edge is alpha, and the range of the alpha is 80-90 degrees.
Through adopting above-mentioned technical scheme, the side is parallel to each other with the radial direction of shank of bolt can be better the passing through of limiting pin when the nut is unscrewed, and the contained angle scope between side and the base can make more smooth and easy passing side position of locating pin, and the mode locating pin is blocked by the side.
The invention is further configured to: and one end of the positioning pin close to the inner side of the nut is attached to the bottom edge.
Through adopting above-mentioned technical scheme, the tip of locating pin can make more smooth and easy passing through base position of locating pin with the bottom plate laminating each other, prevents that the base from blocking the locating pin.
The invention is further configured to: the side edge is arc-shaped, and the arc-shaped axis is perpendicular to the axis of the bolt rod.
Through adopting above-mentioned technical scheme, the side is circular-arc setting and can sets up the position when the nut is finally screwed up with the intermediate position of holding tank, and the arc setting makes the both ends of holding tank narrower for screw up the process in the middle of the nut can be easier pass through, make the operation of screwing up of nut convenient and fast more.
The invention is further configured to: the positioning shaft is made of stainless steel materials.
Through adopting above-mentioned technical scheme, stainless steel texture is softer, has to be used for certain rigidity, can enough guarantee the steadiness of being connected with the nut, is convenient for again to the rotation groove damage of tip.
In view of the defects of the prior art, another object of the present invention is to provide a method for processing an anchor bolt, wherein the method for processing the anchor bolt is more convenient and faster in operation when the anchor bolt is subjected to anti-theft operation, and the method comprises the following steps:
(1) selecting nuts: selecting nuts with quality and specification meeting requirements;
(2) drilling: a positioning hole is formed in the side edge of the nut along the radial direction of the nut;
(3) tapping: tapping in the positioning hole of the nut;
(4) reducing the diameter of the bar: selecting two groups of bars, respectively reducing the diameters of the two groups of bars, wherein the diameters of the reduced bars are the same as the diameters of a positioning shaft and a positioning pin to be prepared;
(5) blanking a bar material: respectively blanking two groups of bars after diameter reduction, wherein the blanking length is determined according to the length of a positioning shaft and a positioning pin to be processed;
(6) processing external threads: processing a circle of external threads matched with the internal threads in the positioning hole on the periphery of the positioning shaft;
(7) processing a rotating groove: one end of the positioning shaft is provided with a rotating groove matched with the screwdriver;
(8) selecting a spring: selecting springs with specification and quality meeting requirements;
(9) installing a spring: welding one end of a spring to the other end of the positioning shaft opposite to the rotating groove, welding the other end of the spring to the end part of the positioning pin, and connecting the positioning shaft, the spring and the positioning pin together;
(10) installing a positioning shaft: inserting a positioning pin into the positioning hole from one end of the positioning hole close to the outer side of the nut, inserting a spring into the positioning hole in the inserting process, enabling the positioning shaft to be in contact with the positioning hole, and rotating the positioning shaft to fix the positioning shaft on the nut;
(11) reducing the diameter of the round steel: processing the diameter of the round steel into a required size according to the diameter of the bolt rod to be processed;
(12) blanking of round steel: blanking the round steel according to the length of the bolt rod to be processed;
(13) processing threads: processing external threads on the periphery of the round steel, and reserving a section of non-threaded round steel, so that the processed bolt rod comprises a threaded part and a polished rod part;
(14) grooving: utilize milling machine, planer or lathe to set up the holding tank that is the V type at the screw thread portion of threaded rod, the side of holding tank can restrict the nut and unscrew the time the passing through of locating pin, and the base can make the locating pin pass through smoothly when the nut is screwed up.
By adopting the technical scheme: when the foundation bolt manufactured by adopting the technical scheme is used, the positioning shaft is firstly screwed down, then the nut is screwed down on the bolt rod, the bottom edge of the nut allows the positioning pin to pass through in the screwing process, and the side edge of the nut does not allow the positioning pin to pass through in the screwing process, so that the nut cannot be screwed down, the anti-theft effect can be realized only by damaging the rotating groove, and the operation is convenient and fast.
The invention is further configured to: before the round steel is reduced in diameter in the step (11), rust and impurities on the surface of the round steel need to be removed completely.
Through adopting above-mentioned technical scheme, through cleaning up rust and impurity on round steel surface, can improve follow-up machining precision of adding man-hour to the round steel.
The invention is further configured to: after the step (14), the finished bolt rod and the nut need to be uniformly coated with the rust preventive oil.
By adopting the technical scheme, the rust-proof oil is coated on the surfaces of the nut and the bolt rod, so that the rust-proof speed of the surfaces of the nut and the bolt rod can be reduced.
According to the defects of the prior art, the invention also aims to provide a foundation bolt using method, which can conveniently and quickly realize the theft prevention of the nut when the foundation bolt is installed, and comprises the following steps:
(1) burying foundation bolts: burying the polished rod part of the bolt rod into the foundation, and leaking the bolt part out of the ground;
(2) screwing the fixed shaft: screwing the positioning shaft on the nut by using a screwdriver;
(3) installing a tower: installing a tower base on a bolt rod, and then fastening the tower on a foundation by using a nut;
(4) destroying the rotating groove: the rotating groove on the positioning shaft is destroyed after the nut is tightened.
Through adopting above-mentioned technical scheme, only need utilize the screwdriver with the location axle screw up on the nut, then will rotate the groove and destroy, can realize the theftproof to the nut, convenient operation is swift.
In summary, compared with the prior art, the invention has the following beneficial effects:
1. the positioning shaft is screwed firstly by arranging the positioning shaft, the positioning pin, the spring and the accommodating groove, then the nut is screwed, the bottom edge can allow the positioning pin to pass when the nut is screwed, so that the nut can be screwed smoothly, when the nut is screwed loose, the positioning pin cannot pass under the limitation of the side edge, so that the nut cannot be screwed loose, the nut cannot be screwed off from the bolt rod, the nut can be prevented from being stolen only by damaging the rotating groove after the nut is screwed, and the operation is convenient and rapid;
2. the side edge is set to be the same as the radial direction of the threaded rod, the range of the angle alpha between the bottom edge and the side edge is set to be 80-90 degrees, so that the side edge can better limit the passing of the positioning pin when the nut is unscrewed, and the bottom edge can be prevented from clamping the positioning pin when the nut is screwed down.
Drawings
FIG. 1 is an isometric view of the completed structure of the first embodiment;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a cross-sectional view of the bolt shank of the first embodiment;
FIG. 4 is a cross-sectional view of a nut according to the first embodiment;
FIG. 5 is an isometric view of a positioning shaft according to the first embodiment.
In the figure: 1. a bolt shank; 11. a light bar section; 12. a threaded portion; 2. a nut; 21. positioning holes; 3. accommodating grooves; 31. a side edge; 32. a bottom edge; 4. positioning the shaft; 41. a rotating groove; 5. positioning pins; 6. a spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The first embodiment is as follows: a rag bolt, see fig. 1 and 2, comprising a bolt rod 1 and a nut 2; the bolt rod 1 comprises a smooth rod part 11 and a thread part 12, and a V-shaped accommodating groove 3 is formed in the thread part 12; with reference to fig. 3, the accommodating groove 3 includes a side edge 31 and a bottom edge 32; the bottom edge 32 is positioned on one side facing the rotation direction of the nut 2 when the nut 2 is screwed; the side 31 is arc-shaped, the axial direction of the arc is perpendicular to the axial direction of the bolt rod 1, and the axial direction of the bolt rod 1 is tangent to the arc-shaped surface of the side 31. The included angle between the side edge 31 and the bottom edge 32 is alpha, and the range of the alpha is 80-90 degrees.
Referring to fig. 4, the side 31 of the nut 2 is provided with a positioning hole 21 whose axial direction is perpendicular to the axial direction of the nut 2, and the positioning hole 21 penetrates through the side wall of the nut 2; one end of the positioning hole 21 close to the outer side of the nut 2 is provided with a positioning shaft 4 in threaded connection with the nut 2, one end of the positioning hole 21 close to the inner side of the nut 2 is provided with a positioning pin 5 capable of sliding along the axis direction of the positioning hole 21 in the positioning hole 21, a spring 6 is arranged between the positioning shaft 4 and the positioning pin 5, one end of the spring 6 is close to one end of the positioning pin 5 and fixedly connected with the positioning shaft 4, and the other end of the spring 6 is fixedly connected with one end of the positioning pin 5 close to the positioning shaft 4. The positioning shaft 4 is made of stainless steel; one end of the positioning pin 5 close to the inner side of the nut 2 is obliquely arranged, and the oblique surface is attached to the bottom edge 32 of the accommodating groove 3.
Referring to fig. 4 and 5, one end of the positioning shaft 4 near the outer side of the nut 2 is provided with a rotating groove 41 matched with a screwdriver.
When the nut 2 rotates on the foundation bolt, the positioning shaft 4 is screwed down, and one end of the positioning pin 5 close to the inner side is pressed on the bolt rod 1 under the action of the spring 6; when the nut 2 is screwed, when the positioning pin 5 is aligned with the accommodating groove 3, one end of the positioning pin 5 extends out of the positioning hole 21 and enters the accommodating groove 3, the nut 2 is screwed continuously, and the positioning pin 5 is pushed into the positioning hole 21 under the action of the bottom edge 32, so that the nut 2 can be screwed continuously; when the nut 2 is required to be unscrewed after being screwed, the positioning pin 5 cannot pass through under the blocking action of the side edge 31, so that the nut 2 cannot be unscrewed; after the nut 2 is screwed down, the rotating groove 41 on the positioning shaft 4 is destroyed by a hammer, so that the nut 2 can be prevented from being unscrewed and stolen, concrete does not need to be poured, and the operation is convenient and rapid.
Example two: the foundation bolt processing method comprises the following steps
(1) Selecting a nut 2: selecting nuts 2 with quality and specification meeting requirements;
(2) drilling: a positioning hole 21 is formed in the side edge 31 of the nut 2 along the radial direction of the nut 2;
(3) tapping: tapping in the positioning hole 21 of the nut 2;
(4) reducing the diameter of the bar: selecting two groups of bars, respectively reducing the diameters of the two groups of bars, wherein the diameters of the reduced bars are the same as the diameters of a positioning shaft 4 and a positioning pin 5 which need to be prepared;
(5) blanking a bar material: respectively blanking two groups of reduced rods, wherein the blanking length is determined according to the length of a positioning shaft 4 and a positioning pin 5 which need to be processed;
(6) processing external threads: a circle of external threads matched with the internal threads in the positioning hole 21 are processed on the periphery of the positioning shaft 4;
(7) machining the rotating groove 41: one end of the positioning shaft 4 is provided with a rotating groove 41 matched with a screwdriver;
(8) selecting the spring 6: selecting a spring 6 with specification and quality meeting requirements;
(8) installing a spring 6: welding one end of a spring 6 to the other end of the positioning shaft 4 opposite to the rotating groove 41, welding the other end of the spring 6 to the end part of the positioning pin 5, and connecting the positioning shaft 4, the spring 6 and the positioning pin 5 together;
(9) installing a positioning shaft 4: inserting the positioning pin 5 into the positioning hole 21 from one end of the positioning hole 21 close to the outer side of the nut 2, inserting the spring 6 into the positioning hole 21 during the insertion process, and enabling the positioning shaft 4 to contact with the positioning hole 21, rotating the positioning shaft 4 to fix the positioning shaft 4 on the nut 2;
(10) derusting the round steel: rust, impurities and the like on the surface of the round steel are cleaned, and the processing precision of later-stage processing is improved;
(11) reducing the diameter of the round steel: according to the diameter of the bolt rod 1 to be processed, the diameter of the round steel is processed into the required size;
(12) blanking of round steel: blanking the round steel according to the length of the bolt rod 1 to be processed;
(13) processing threads: processing external threads on the periphery of the round steel, and reserving a section of non-threaded round steel, so that the processed bolt rod 1 comprises a threaded part 12 and a polished rod part 11;
(14) grooving: a V-shaped holding groove 3 is formed in the threaded portion 12 of the threaded rod by a milling machine, a planer machine, or a lathe, the side 31 of the holding groove 3 can limit the passage of the positioning pin 5 when the nut 2 is loosened, and the bottom 32 can enable the positioning pin 5 to pass smoothly when the nut 2 is tightened.
(15) Coating antirust oil: and uniformly coating a layer of rust preventive oil on the surfaces of the processed nut 2 and the processed bolt rod 1.
Example three: the foundation bolt using method comprises the following steps:
(1) burying foundation bolts: burying the polished rod part 11 of the bolt rod 1 in a foundation, and leaking the bolt part out of the ground;
(2) screwing the fixed shaft: the positioning shaft 4 is screwed on the nut 2 by a screwdriver;
(3) installing a tower: installing a tower base on a bolt rod 1, and then fastening the tower on a foundation by using a nut 2;
(4) destruction of the rotating groove 41: the rotation groove 41 on the positioning shaft 4 is destroyed after the nut 2 is tightened.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. A rag bolt comprises a bolt rod (1) and a nut (2); the method is characterized in that: the side surface of the nut (2) is provided with a positioning hole (21) which is perpendicular to the axis of the nut (2) and is mutually communicated with an inner hole of the nut (2), one end, close to the outer side of the nut (2), of the positioning hole (21) is provided with a positioning shaft (4) which is in threaded connection with the nut (2), one end, close to the inner side of the nut (2), of the positioning hole (21) is provided with a positioning pin (5) which can slide in the positioning hole (21) along the axial direction of the positioning hole (21), an elastic part is arranged between the positioning shaft (4) and the positioning pin (5), one end of the positioning shaft (4) is fixedly connected with the positioning shaft (4), the other end of the positioning shaft is fixedly connected with the positioning pin (5), and one end, close to the outer side of the nut (2), of the positioning shaft (4) is provided with a rotating groove (41) which is mutually matched with a screwdriver;
the bolt rod (1) comprises a smooth rod part (11) and a threaded part (12), and a V-shaped accommodating groove (3) is formed in the side surface of the threaded part (12) which is far away from one end of the smooth rod part (11);
one accommodating groove (3) is formed, the accommodating groove (3) is formed along the length direction of the bolt rod (1), and the accommodating groove (3) penetrates through a plurality of teeth of the threaded portion (12);
the accommodating groove (3) comprises a side edge (31) and a bottom edge (32), and the sizes of the bottom edge (32) and the side edge (31) at the two ends of the accommodating groove (3) in the length direction are smaller than the sizes of the bottom edge (32) and the side edge (31) at the middle position of the accommodating groove (3) in the length direction;
the side edges (31) can limit the passing of the positioning pin (5) when the nut (2) is loosened, and the bottom edges (32) can enable the positioning pin (5) to pass smoothly when the nut (2) is tightened.
2. An anchor bolt according to claim 1, wherein: the side edges (31) are parallel to the radial direction of the bolt rod (1), the included angle between the side edges (31) and the bottom edge (32) is alpha, and the alpha range is 80-90 degrees.
3. An anchor bolt according to claim 2, wherein: one end of the positioning pin (5) close to the inner side of the nut (2) is mutually attached to the bottom edge (32).
4. An anchor bolt according to claim 1, wherein: the side edges (31) are arranged in an arc shape along the length direction of the bolt rod (1).
5. An anchor bolt according to claim 1, wherein: the connecting part of the side edge (31) and the bottom edge (32) is arranged in a round angle.
6. An anchor bolt according to claim 1, wherein: the positioning shaft (4) is made of stainless steel materials.
7. An anchor bolt machining method for machining an anchor bolt according to any one of claims 1 to 6, characterized in that: the processing method comprises the following steps:
(1) selecting a nut (2): selecting nuts (2) with quality and specification meeting requirements;
(2) drilling: a positioning hole (21) is formed in the side surface of the nut (2) along the radial direction of the nut (2);
(3) tapping: tapping in the positioning hole (21) of the nut (2);
(4) reducing the diameter of the bar: selecting two groups of bars, respectively reducing the diameters of the two groups of bars, wherein the diameters of the reduced bars are the same as the diameters of a positioning shaft (4) and a positioning pin (5) to be prepared;
(5) blanking a bar material: respectively blanking two groups of bars after diameter reduction, wherein the blanking length is determined according to the length of a positioning shaft (4) and a positioning pin (5) which need to be processed;
(6) processing external threads: a circle of external threads matched with the internal threads in the positioning hole (21) are machined on the periphery of the positioning shaft (4);
(7) machining a rotating groove (41): one end of the positioning shaft (4) is provided with a rotating groove (41) matched with a screwdriver;
(8) selecting a spring (6): selecting a spring (6) with specification and quality meeting requirements;
(9) mounting spring (6): welding one end of a spring (6) to the other end, opposite to the rotating groove (41), of the positioning shaft (4), welding the other end of the spring (6) to the end part of the positioning pin (5), and connecting the positioning shaft (4), the spring (6) and the positioning pin (5) together;
(10) installing a positioning shaft (4): inserting a positioning pin (5) into the positioning hole (21) from one end of the positioning hole (21) close to the outer side of the nut (2), inserting a spring (6) into the positioning hole (21) in the inserting process, enabling the positioning shaft (4) to be in contact with the positioning hole (21), and rotating the positioning shaft (4) to fix the positioning shaft (4) on the nut (2);
(11) reducing the diameter of the round steel: according to the diameter of the bolt rod (1) to be processed, the diameter of the round steel is processed into the required size;
(12) blanking of round steel: blanking the round steel according to the length of the bolt rod (1) to be processed;
(13) processing threads: processing external threads on the periphery of round steel, and reserving a section of non-threaded round steel, so that the processed bolt rod (1) comprises a threaded part (12) and a polished rod part (11);
(14) grooving: a V-shaped accommodating groove (3) is formed in the threaded portion (12) of the threaded rod by using a milling machine, the side edge (31) of the accommodating groove (3) can limit the passing of the positioning pin (5) when the nut (2) is unscrewed, and the bottom edge (32) can enable the positioning pin (5) to pass smoothly when the nut (2) is screwed down.
8. The foundation bolt processing method according to claim 7, wherein: before the round steel is reduced in diameter in the step (11), rust and impurities on the surface of the round steel need to be removed completely.
9. The foundation bolt processing method according to claim 7, wherein: after the step (14), the finished bolt rod (1) and the nut (2) need to be uniformly coated with rust preventive oil.
10. An anchor bolt installing method for installing an anchor bolt according to any one of claims 1 to 6, wherein: the installation method comprises the following steps:
(1) burying foundation bolts: burying a polished rod part (11) of the bolt rod (1) into a foundation, and leaking the bolt part out of the ground;
(2) screwing the fixed shaft: the positioning shaft (4) is screwed on the nut (2) by a screwdriver;
(3) installing a tower: mounting a tower base on a bolt rod (1), and then fastening the tower on a foundation by using a nut (2);
(4) destruction rotating groove (41): the rotary groove (41) on the positioning shaft (4) is destroyed after the nut (2) is tightened.
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| CN201810457195.0A CN108591225B (en) | 2018-05-14 | 2018-05-14 | Foundation bolt and machining and using methods thereof |
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| CN201810457195.0A CN108591225B (en) | 2018-05-14 | 2018-05-14 | Foundation bolt and machining and using methods thereof |
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| CN108591225A CN108591225A (en) | 2018-09-28 |
| CN108591225B true CN108591225B (en) | 2022-03-08 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110886763A (en) * | 2019-12-02 | 2020-03-17 | 徐州星亮化机械科技有限公司 | Intelligent robot part capable of being detached through sliding wires |
| CN117628035A (en) * | 2023-12-29 | 2024-03-01 | 宁波海信紧固件有限公司 | Wind power bolt type lock nut and processing method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU757789A1 (en) * | 1978-05-04 | 1980-08-23 | Vladimir M Murashev | Fixing arrangement |
| CN2088617U (en) * | 1991-01-24 | 1991-11-13 | 李执伦 | Theft-proof screw bolt |
| CN202251367U (en) * | 2011-09-19 | 2012-05-30 | 许昌四达电力设备有限公司 | Lateral pin-fastening type antitheft nut |
| JP5332336B2 (en) * | 2008-06-20 | 2013-11-06 | 株式会社リコー | Toner supply device and image forming apparatus |
| CN204151813U (en) * | 2014-10-10 | 2015-02-11 | 中国能源建设集团安徽省电力设计院 | A kind of adjustable basis for correcting electric power pylon foundation settlement |
| CN204458765U (en) * | 2015-03-06 | 2015-07-08 | 国家电网公司 | A kind of anti-loosening bolt |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0737808B2 (en) * | 1992-06-02 | 1995-04-26 | 橋本 豊治 | Fastener with lock |
-
2018
- 2018-05-14 CN CN201810457195.0A patent/CN108591225B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU757789A1 (en) * | 1978-05-04 | 1980-08-23 | Vladimir M Murashev | Fixing arrangement |
| CN2088617U (en) * | 1991-01-24 | 1991-11-13 | 李执伦 | Theft-proof screw bolt |
| JP5332336B2 (en) * | 2008-06-20 | 2013-11-06 | 株式会社リコー | Toner supply device and image forming apparatus |
| CN202251367U (en) * | 2011-09-19 | 2012-05-30 | 许昌四达电力设备有限公司 | Lateral pin-fastening type antitheft nut |
| CN204151813U (en) * | 2014-10-10 | 2015-02-11 | 中国能源建设集团安徽省电力设计院 | A kind of adjustable basis for correcting electric power pylon foundation settlement |
| CN204458765U (en) * | 2015-03-06 | 2015-07-08 | 国家电网公司 | A kind of anti-loosening bolt |
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|---|---|
| CN108591225A (en) | 2018-09-28 |
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