CN108708901B - Use method of anti-theft foundation bolt for iron tower - Google Patents
Use method of anti-theft foundation bolt for iron tower Download PDFInfo
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- CN108708901B CN108708901B CN201810644330.2A CN201810644330A CN108708901B CN 108708901 B CN108708901 B CN 108708901B CN 201810644330 A CN201810644330 A CN 201810644330A CN 108708901 B CN108708901 B CN 108708901B
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000007689 inspection Methods 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 description 12
- 238000010276 construction Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/002—Measures against loss of bolts, nuts or pins
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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
- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses an anti-theft anchor bolt for an iron tower and a using method thereof, and relates to the technical field of iron tower protection equipment. The anti-theft anchor bolt has the advantages of being low in anti-theft effect, complex in structure, inconvenient to process, anti-theft, simple in structure, capable of achieving multiple fastening of anchor nuts, quantitative inspection and acceptance, low in cost and the like on the anti-theft basis.
Description
Technical Field
The invention relates to the technical field of iron tower protection equipment, in particular to an anti-theft foundation bolt for an iron tower and a using method thereof.
Background
The anti-theft bolt is an anti-disassembly bolt, the screw rod of the foundation bolt is generally embedded in the ground, the fastening nut is screwed, and then the upper end of the screw rod is broken by adopting equipment such as a hammer, so that the upper end thread of the screw rod is damaged, and the fastening nut cannot be disassembled.
Currently, reference may be made to chinese utility model patent with an authorization publication number CN2282088Y, which discloses an anti-theft bolt. The bolt comprises a bolt and a fastening nut, wherein an axial hole is formed in the top end of a bolt screw, a radial hole is formed in the screw, a bolt with a spring is arranged in the axial hole, a limiting pin is arranged in the radial hole, and a groove is formed in the side wall of the limiting pin. When the anti-theft bolt is used, a fastening nut is firstly used for fastening a workpiece, the limiting pin is inserted into the radial hole, the limiting pin is locked by the bolt, and the limiting pin can prevent the fastening nut from withdrawing so as to achieve the anti-theft purpose.
Foretell this kind of theftproof bolt also can be with it pre-buried to the ground in, and make its screw rod one end salient use in the footing bolt that the ground was used as outdoor iron tower, thereby reach locking effect, nevertheless because outdoor weather is changeable, uncontrollable factors such as sleet are more, and this kind of theftproof bolt is regarded as the theftproof rag bolt of iron tower and is used for a long time, the screw rod tip is up then the axial hole exposes also towards the top, will lead to sleet water to flow into radial hole very easily like this, play the corrosive action to the downthehole spring of radial, lead to the spring to rust to damage and finally cause the spring to lose effect, and then also make the bolt can't play limiting displacement to the spacer pin, finally lead to pulling out in the follow radial hole that the spacer pin can relax, make the bolt lose the theftproof effect.
In addition, the patent of the Chinese utility model with the granted publication number of CN203926331U can be referred to, and discloses an anti-theft anchor bolt for an iron tower of an overhead transmission line, which comprises a nut and a screw rod, wherein the nut and the screw rod are matched and then covered in a protective cover, the anti-theft anchor bolt also comprises a circular gasket which is padded on the outer circular surface at the bottom of the nut and is provided with an external thread, the middle part of the circular gasket is provided with a through hole for the screw rod to pass through, and the annular wall of the circular gasket is provided with a; the protective cover is a metal protective cover, an inner ring at the bottom of the protective cover is provided with an internal thread, and the side wall at the bottom of the protective cover is also provided with a pin hole; the protective cover is in threaded connection with the round gasket, and the anti-theft bolts are arranged in the round gasket and the pin holes of the protective cover. The protective cover is in threaded connection with the circular gasket, and the assembly construction method is adopted, so that the construction process is convenient and labor-saving, the construction efficiency is effectively improved, the anti-theft effect on the foundation bolt is fully exerted, meanwhile, the foundation bolt is not easily abraded, and the anti-theft protective cover has the advantages of simple structure, convenience in operation and low cost.
The anti-theft foundation bolt for the overhead transmission line iron tower can prevent outdoor rain, snow and water from connecting the screw and the nut to play a role in protection through the protective cover, but when the anti-theft foundation bolt is actually used, the ground can certainly vibrate due to various natural activities or artificial activities, the anti-theft foundation bolt can be loosened due to the fact that the double nuts are locked in the protective cover only by means of self-locking, the iron tower is finally influenced, and then the state of the nut on the screw cannot be accurately monitored due to the fact that the protective cover is adopted, so that the nut cannot be screwed down in time.
There is also referred to the chinese utility patent with the publication number CN205064533U, which discloses an iron tower with anti-theft bolts, comprising: a screw, a top pin and a clamping pin; a T-shaped cavity body is arranged inside the screw rod, the tail end of the T-shaped cavity body is provided with a clamping groove, and the front end of the T-shaped cavity body forms a notch on the side wall; a detent is disposed within the recess. And a top pin is arranged in the clamping groove and is abutted against the clamping pin. The clamping pin is V-shaped, and the front end of the clamping pin is abutted to the nut. The top pin is a cuboid, and the side wall is provided with a barb. The invention has novel model, convenient installation, firmness and stability after installation and very good anti-theft performance. The invention has simple structure, low cost and good effect, and is suitable for popularization and use.
The anti-theft bolt adopted by the iron tower with the anti-theft bolt can solve the problem of nut loosening and can achieve the effect of preventing the nut from being detached, but the internal structure of the screw is complex, and the overall size of the screw is small, so that the problem that the screw is difficult to machine and manufacture in actual production and processing exists.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the anti-theft foundation bolt for the iron tower, which has the advantages of being anti-theft, simple in structure and convenient to process.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides an iron tower is with theftproof rag bolt, includes pre-buried portion, fixed connection in the screw rod of pre-buried portion and threaded connection in the fastening nut of screw rod, one side that fastening nut kept away from pre-buried portion is provided with the radial hole of seting up in the screw rod is global, radial hole is downthehole to insert and is equipped with the taper pin that one end extends the radial hole, the taper pin extends radial hole one end and can blocks rag nut and watch out, the taper pin is inserted the one end of locating the radial hole and has been seted up spacing hole, the axial hole that can communicate with spacing hole is seted up to the screw rod outer end, the terminal axial pin with the terminal parallel and level of screw rod when.
By adopting the scheme, when the anti-theft anchor bolt is used, the embedded part of the anti-theft anchor bolt is embedded into a foundation, then the iron tower footing plate and the base plate are sleeved on the screw rod of the anchor bolt extending out of the foundation, then the nut is screwed, the conical pin is inserted into the radial hole, finally the axial pin in the axial hole is inserted into the limiting hole to fix the conical pin, the axial pin can be prevented from being detached by aligning the arranged axial pin with the tail end of the screw rod, the conical pin inserted into the radial hole is prevented from being detached, the fastening nut is prevented from being detached, and the anti-theft function is achieved; the anchor nut can be screwed (or unscrewed) according to construction and operation requirements, and then the screw rod only needs to be provided with two communicating holes, so that the processing is convenient, and the operation is simple.
Preferably, one end of the conical pin extending out of the radial hole is provided with a straight groove, and the length direction of the straight groove is the same as the axial direction of the limiting hole.
Through adopting above-mentioned scheme, can confirm the axis direction in spacing hole according to the straight line groove of taper pin outer end to when inserting the taper pin and locating radial hole, can correspond spacing hole axis through a straight line groove, the location of spacing hole in radial hole of being convenient for, and then guarantee the location of spacing hole and axial hole.
Preferably, the circumferential surface of one end of the conical pin extending out of the radial hole is provided with a mark groove, the conical pin is inserted into the radial hole, and when the mark groove is flush with the outer end of the radial hole, the axis of the limiting hole and the axis of the axial hole are located on the same vertical surface.
By adopting the scheme, when the conical pin is inserted into the radial hole in use, the position of the limiting hole of the conical pin in the radial hole can be determined according to the identification groove, so that the axial pin can be conveniently inserted.
Preferably, the axial pin is connected with the axial hole in an interference fit mode.
By adopting the above scheme, adopt interference fit's mode to accomplish being connected of axial round pin and axial hole, can guarantee the firm fixed of axial round pin and axial hole, prevent that the axial round pin from dismantling.
Preferably, the outer side of the axial hole is provided with a first guide groove.
Through adopting above-mentioned scheme, seted up first guide way in the outside of radial hole, can be convenient for inserting of axial pin establish convenient operation.
Preferably, one end of the axial pin is provided with a second guide groove.
By adopting the scheme, when the axial pin is inserted into the axial hole, the axial pin and the axial hole can be further conveniently positioned through the second guide groove, so that the axial pin can be conveniently inserted into the axial hole.
The invention also aims to provide a using method of the anti-theft foundation bolt for the iron tower, which has the advantage of complete anti-theft of the anti-theft foundation bolt.
A use method of an anti-theft foundation bolt for an iron tower is characterized by comprising the following steps:
step 1, ranging: firstly, measuring the height of the anti-theft bolt and the screw rod required to be exposed out of the ground according to the thickness of the bottom foot of the iron tower required to be connected and the thickness of the fastening nut, and coating a mark on the screw rod;
step 3, mounting of iron tower footing: sleeving a plurality of gaskets on the screw rods protruding out of the surface of the pile foundation in the step 2 until the upper surface of the gasket on the uppermost layer is flush with the marks coated on the circumferential surface of the screw rods in the step 1, and then sleeving the bottom feet of the iron tower on the screw rods protruding out of the surface of the pile foundation by the anti-theft bolts;
step 4, mounting a fastening nut: sleeving a baseboard and a base plate of the iron tower on the screw rod, and then installing a fastening nut;
step 5, inserting a conical pin: inserting the tapered pin into the radial hole of the screw rod, enabling the straight groove at the outer end of the tapered pin to be vertical, and enabling the identification groove on the peripheral surface of the tapered pin to be flush with the outer end of the radial hole;
step 6, inserting an axial pin: and c, aligning the axial pin with the axial hole, knocking the axial pin through external equipment, and inserting the axial pin into the axial hole and the limiting hole of the conical pin until the tail end of the axial pin is flush with the tail end of the screw rod.
By adopting the scheme, the bottom feet of the iron tower can be firmly fixed with the anti-theft bolts, so that the fastening nuts can be prevented from loosening, and the anti-theft bolt has the advantage of preventing the fastening nuts from being detached.
In conclusion, the invention has the following beneficial effects:
1. when the anti-theft anchor bolt is used, the embedded part of the anti-theft anchor bolt is embedded into a foundation, then an iron tower footing plate and a base plate are sleeved on a screw rod of the anchor bolt extending out of the foundation, then a nut is screwed, a tapered pin is inserted into a radial hole, and finally an axial pin in the axial hole is inserted into a limiting hole to fix the tapered pin; the foundation nut can be screwed (or unscrewed) according to the construction and operation requirements, and then the screw only needs to be provided with two communicating holes, so that the processing is convenient, and the operation is simple;
2. the axial direction of the limiting hole can be determined according to the straight groove at the outer end of the conical pin, so that when the conical pin is inserted into the radial hole, the straight groove corresponds to the axial line of the limiting hole, the limiting hole can be conveniently positioned in the radial hole, and the positioning of the limiting hole and the axial hole is further ensured;
3. when the conical pin is used and inserted into the radial hole, the position of the limiting hole of the conical pin in the radial hole can be determined according to the identification groove, so that the axial pin can be conveniently inserted.
Drawings
FIG. 1 is a schematic view showing an overall structure of an anti-theft anchor bolt for an iron tower in accordance with an embodiment;
FIG. 2 is a schematic view showing the mounting positions of the tapered pin and the axial pin in the first embodiment;
FIG. 3 is a schematic view of a highlighted taper pin and axial pin configuration in the first embodiment.
In the figure, 1, an embedded part; 11. a reinforcing bar; 12. embedding parts; 2. a connecting portion; 21. a screw; 211. a radial bore; 212. an axial bore; 213. a first guide groove; 22. fastening a nut; 23. a tapered pin; 231. a limiting hole; 232. a straight groove: 233. marking a slot; 24. an axial pin; 241. a second guide groove.
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 "ground" 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: an anti-theft foundation bolt for an iron tower is combined with a figure 1 and comprises an embedded part 1 and a connecting part 2. Pre-buried portion 1 is used for with rag bolt pre-buried to the pile foundation inside, connecting portion 2 are used for accomplishing the fixed of iron tower.
The embedded part 1 includes a reinforcing rod 11 and an embedded part 12 fixedly connected to one end of the reinforcing rod 11, the embedded part 12 may be a circular plate, a square plate, a spiral steel bar, a U-shaped steel bar, etc., and the embedded part 12 adopted in the embodiment is a square plate for description. During the use, can be with the vertical pre-buried to the pile foundation in of built-in fitting 12 and stiffener 11, and can increase theftproof rag bolt and pile foundation inside area of contact through the built-in fitting 12 that sets up to on being fixed in the pile foundation firmly with theftproof rag bolt.
Combine fig. 1 and fig. 2, connecting portion 2 includes that fixed connection keeps away from the screw rod 21 of 12 one end of built-in fitting in stiffener 11, threaded connection has fastening nut 22 on the screw rod 21, radial hole 211 has been seted up to screw rod 21 global, one side that fastening nut 22 kept away from built-in fitting 1 is seted up in radial hole 211, radial hole 211 is the blind hole and is the bell mouth, the axis of radial hole 211 perpendicular to screw rod 21, still insert the taper pin 23 that is equipped with one end and extends radial hole 211 in the radial hole 211, the taper pin 23 global can the butt in the medial surface of radial hole 211. When the iron tower bottom stud fixing device is used, the iron tower bottom stud can be sleeved on the screw rod 21, then the fastening nut 22 is screwed, the fastening nut 22 compresses the iron tower bottom stud, then the tapered pin 23 is inserted into the radial hole 211, and at the moment, the tapered pin 23 protrudes out of the radial hole 211 and is located on the upper side of the fastening nut 22, so that the fastening nut 22 is prevented from being detached.
With reference to fig. 2 and 3, a limiting hole 231 is further formed in one end of the taper pin 23 inserted into the radial hole 211, an axial hole 212 is further formed in one end of the screw rod 21 away from the embedded portion 1, the axial hole 212 and the limiting hole 231 have the same diameter, so that when the taper pin 23 is inserted into the radial hole 211, the taper pin 23 can be communicated with the limiting hole 231, and a straight groove 232 is formed in the outer end of the taper pin 23. The length direction of the straight groove 232 is the same as the axial direction of the limiting hole 231, and the axial direction of the limiting hole 231 can be determined according to the straight groove 232 at the outer end of the tapered pin 23 during use, so that when the tapered pin 23 is inserted into the radial hole 211, the straight groove 232 corresponds to the axial line of the limiting hole 231, the limiting hole 231 can be conveniently positioned in the radial hole 211, and the positioning of the limiting hole 231 and the axial hole 212 is further ensured. The circumferential surface of one end, protruding out of the radial hole 211, of the conical pin 23 is further provided with a mark groove 233, when the conical pin 23 is inserted into the radial hole 211 and the mark groove 233 is flush with the outer end of the radial hole 211, the axis of the limiting hole 231 and the axis of the axial hole 212 are located on the same vertical surface, and when the conical pin is used, the position of the limiting hole 231 in the radial hole 211 can be determined according to the straight groove 232 at the outer end of the conical pin 23 and the mark groove on the circumferential surface of the conical pin 23, so that the coaxial line of the limiting hole 231 and the axial hole 212 is guaranteed.
The axial pin 24 is inserted into the axial hole 212, when the outer end of the axial pin 24 is flush with the outer end of the screw 21, one end of the axial pin 24 located in the axial hole 212 can be inserted into the limit hole 231 of the tapered pin 23, the axial pin 24 and the axial hole 212 are fixed in an interference fit manner, in order to facilitate the insertion of the axial pin 24 into the axial hole 212, the outer end of the axial hole 212 is provided with a first guide groove 213, and one end of the axial pin 24 is further provided with a second guide groove 241. When the anti-theft anchor bolt is used, tools such as a hammer and the like are adopted to knock the axial pin 24, so that the axial pin 24 is inserted into the axial hole 212 until the outer end of the axial pin 24 is flush with the outer end of the screw 21, at the moment, one end of the axial pin 24, which is positioned in the axial hole 212, is inserted into the limiting hole 231 of the tapered pin 23, the tapered pin 23 is fixed, the tapered pin 23 is prevented from being disassembled, the fastening nut 22 is prevented from being disassembled, and the anti-theft function of the anti-theft anchor bolt is realized; secondly, the first guide groove 213 and the second guide groove 241 are arranged to facilitate the centering of the axial pin 24, and thus the insertion of the axial pin 24 into the axial hole 212.
The working process is as follows: when the anti-theft anchor bolt fixing device is used, the footing and the base plate of the iron tower are sleeved on the screw rod 21 of the anti-theft anchor bolt exposed out of the surface of the pile foundation, the fastening nut 22 is connected onto the screw rod 21 in a threaded mode, the fastening nut 22 is screwed, the fastening nut 22 is enabled to compress the footing of the iron tower, the tapered pin 23 is inserted into the radial hole 211, the axial pin 24 is inserted into the axial hole 212, one end, exposed out of the axial hole 212, of the axial pin 24 is knocked by using external equipment such as a hammer and the like, the outer end of the axial pin 24 is enabled to be flush with the outer end of the screw rod 21, at the moment, one end, located in the axial hole 212, of the axial pin 24 is inserted into the limiting hole 231 of the tapered pin 23, the tapered pin 23 is fixed, the anti-detachment of the tapered pin 23 is achieved, the anti.
Example two: a use method of an anti-theft foundation bolt comprises the following steps:
step 1, ranging: firstly, measuring the height of the anti-theft bolt screw 21 exposed out of the ground according to the thickness of the bottom foot of the iron tower required to be connected and the thickness of the fastening nut 22, and coating a mark on the screw 21;
step 3, mounting of iron tower footing: sleeving a plurality of gaskets on the screw rod 21 protruding out of the surface of the pile foundation in the step 2 until the upper surface of the gasket on the uppermost layer is flush with the marks coated on the peripheral surface of the screw rod 21 in the step 1, and then sleeving the bottom of the iron tower on the screw rod 21 of which the anti-theft bolt protrudes out of the surface of the pile foundation;
step 4, mounting the fastening nut 22: sleeving a baseboard and a base plate of an iron tower on the screw rod 21, and then installing a fastening nut 22;
step 5, inserting the tapered pin 23: inserting the tapered pin 23 into the radial hole 211 of the screw 21, making the straight groove 232 at the outer end of the tapered pin 23 vertical, and making the mark groove 233 on the peripheral surface of the tapered pin 23 flush with the outer end of the radial hole 211;
step 6, inserting the axial pin 24: the axial pin 24 is aligned with the axial hole 212, and then the axial pin 24 is tapped by an external device such as a hammer to insert the axial pin 24 into the axial hole 212 and the stopper hole 231 of the tapered pin 23 until the end of the axial pin 24 is flush with the end of the screw 21.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (3)
1. A use method of an anti-theft foundation bolt for an iron tower comprises the following steps:
the anti-theft foundation bolt for the iron tower comprises an embedded part (1), a screw rod (21) fixedly connected to the embedded part (1) and a fastening nut (22) in threaded connection with the screw rod (21), wherein a radial hole (211) formed in the peripheral surface of the screw rod (21) is formed in one side, far away from the embedded part (1), of the fastening nut (22), a taper pin (23) with one end extending out of the radial hole (211) is inserted into the radial hole (211), one end, extending out of the radial hole (211), of the taper pin (23) can abut against the fastening nut (22), one end, inserted into the radial hole (211), of the taper pin (23) is provided with a limiting hole (231), an axial hole (212) capable of being communicated with the limiting hole (231) is formed in the tail end of the screw rod (21), and an axial pin (24) with the tail end flush with the tail end of the screw rod (21) when the axial hole, the axial pin (24) is connected with the axial hole (212) in an interference fit mode; one end of the conical pin (23) extending out of the radial hole (211) is provided with a straight groove (232), and the length direction of the straight groove (232) is the same as the axial direction of the limiting hole (231); the circumferential surface of one end, extending out of the radial hole (211), of the conical pin (23) is provided with a mark groove (233), the conical pin (23) is inserted into the radial hole (211), and when the mark groove (233) is flush with the outer end of the radial hole (211), the axis of the limiting hole (231) and the axis of the axial hole (212) are located on the same vertical surface;
the method is characterized by comprising the following steps:
step 1, ranging: firstly, measuring the height of the anti-theft bolt screw rod (21) exposed out of the ground according to the thickness of a footing of an iron tower to be connected and the thickness of a fastening nut (22), and coating a mark on the screw rod (21);
step 2, pre-embedding the pre-embedding part (1) of the anti-theft foundation bolt: when the pile foundation is poured, vertically embedding the embedded part (1) of the anti-theft bolt into the pile foundation downwards, enabling the mark coated on the screw rod (21) in the step (1) to protrude 1-2cm above the upper surface of the pile foundation, and after the pile foundation is solidified, enabling the part of the screw rod (21) of the anti-theft bolt protruding out of the surface of the pile foundation to be the part of the anti-theft bolt used for connecting the bottom feet of the iron tower;
step 3, mounting of iron tower footing: sleeving the screw rod (21) protruding out of the surface of the pile foundation in the step 2 by using a gasket until the upper surface of the gasket on the uppermost layer is flush with the mark coated on the circumferential surface of the screw rod (21) in the step 1, and sleeving the bottom of the iron tower on the screw rod (21) of which the anti-theft bolt protrudes out of the surface of the pile foundation;
and 4, mounting a fastening nut (22): sleeving a bottom foot and a base plate of the iron tower on the screw rod (21), and then installing a fastening nut (22);
step 5, inserting the tapered pin (23): inserting the tapered pin (23) into a radial hole (211) of the screw rod (21), enabling a straight groove (232) at the outer end of the tapered pin (23) to be vertical, and enabling an identification groove (233) on the peripheral surface of the tapered pin (23) to be flush with the outer end of the radial hole (211);
step 6, inserting the axial pin (24): the axial pin (24) is aligned with the axial hole (212), then the axial pin (24) is knocked by external equipment, and the axial pin (24) is inserted into the axial hole (212) and the limiting hole (231) of the tapered pin (23) until the tail end of the axial pin (24) is flush with the tail end of the screw rod (21).
2. The use method of the anti-theft anchor bolt for the iron tower according to claim 1, characterized in that: a first guide groove (213) is formed in the outer side of the axial hole (212).
3. The use method of the anti-theft anchor bolt for the iron tower according to claim 1, characterized in that: one end of the axial pin (24) is provided with a second guide groove (241).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810644330.2A CN108708901B (en) | 2018-06-21 | 2018-06-21 | Use method of anti-theft foundation bolt for iron tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810644330.2A CN108708901B (en) | 2018-06-21 | 2018-06-21 | Use method of anti-theft foundation bolt for iron tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108708901A CN108708901A (en) | 2018-10-26 |
| CN108708901B true CN108708901B (en) | 2020-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810644330.2A Active CN108708901B (en) | 2018-06-21 | 2018-06-21 | Use method of anti-theft foundation bolt for iron tower |
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| CN114382769A (en) * | 2021-12-31 | 2022-04-22 | 嘉兴美立汽配科技有限公司 | Anti-drop anti-theft nut |
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| CN2122966U (en) * | 1992-04-20 | 1992-11-25 | 四平线路器材厂 | Theft-proof stud bolt |
| CN2137392Y (en) * | 1992-10-27 | 1993-06-30 | 王秀岐 | Multifunctional anti-theft bolt for transformer |
| US6176255B1 (en) * | 1999-11-29 | 2001-01-23 | Robert R. Robinson | Keyed theft resistant valve cap |
| CA2463451A1 (en) * | 2004-04-13 | 2005-10-13 | Keith Carson | Anti-theft nut protecting assembly |
| CN204628238U (en) * | 2015-05-11 | 2015-09-09 | 山东交通学院 | One is anti-unloads antitheft bolt device |
| CN106193330B (en) * | 2016-08-30 | 2018-04-13 | 中铁二十局集团有限公司 | A kind of steel building construction land tenure foot bolt pre-embedded construction method |
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