CN112032171B - A novel bolt that is used for iron tower detectable degree of screwing up - Google Patents
A novel bolt that is used for iron tower detectable degree of screwing up Download PDFInfo
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- CN112032171B CN112032171B CN202010851789.7A CN202010851789A CN112032171B CN 112032171 B CN112032171 B CN 112032171B CN 202010851789 A CN202010851789 A CN 202010851789A CN 112032171 B CN112032171 B CN 112032171B
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- bolt
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- iron tower
- bolt head
- blind
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 43
- 238000003825 pressing Methods 0.000 claims description 15
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 229910000746 Structural steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- 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
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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
- F16B35/06—Specially-shaped heads
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention provides a novel bolt capable of detecting the degree of tightness of an iron tower, which comprises a bolt head, wherein a screw rod is fixedly connected to the lower surface of the bolt head; the lower surface of the bolt head is also provided with n blind holes, wherein n is a positive integer greater than or equal to 2; the blind holes are uniformly distributed on the lower surface of the bolt head along the periphery of the screw rod; an elastic piece is arranged in the blind hole and connected with a detection part; the maximum size of the width of the detection part is smaller than or equal to the diameter of the blind hole. The novel bolt has the advantages of reasonable design and convenient use; after using this bolt, whether the accessible can see the detection portion and observe whether the bolt is not hard up, makes things convenient for maintainer quick, accurate, efficient to seek not hard up screw, improves maintenance efficiency.
Description
Technical Field
The invention relates to the technical field of iron tower fixing devices, in particular to a novel bolt capable of detecting the tightening degree of an iron tower.
Background
The iron tower is an indispensable device in power transmission and is widely applied to cable erection. The iron tower is mostly the angle steel and forms through welding and cooperation bolted connection, and for adapting to different installation environment, there is dry shape iron tower, door-shaped iron tower, T shape iron tower and so on, and because the iron tower is outdoor operative installations, therefore, along with the extension of iron tower fall time and service environment's difference, can make the bolt produce the corrosion and take place certain not hard up, for this reason, need the regular bolt-up condition to on the iron tower to reconnoitre, in order to guarantee the fastening nature of connecting between each part of iron tower, avoid taking place the accident.
In the maintenance work of iron tower, the inspection to the bolt user state is a heavy and inevitable work, because the design form of bolt is comparatively unanimous, consequently, when carrying out the inspection of bolt elasticity condition, can not quick find out the problem bolt, and need inspect and screw up every bolt, waste time and energy.
In the prior art, in order to quickly check a loosened bolt, marks are simultaneously made on the surfaces of the screwed bolt and nut, and when the marks on the bolt and the nut are dislocated, the bolt is loosened; in addition, a mode of using a stop ring on the bolt and the nut is adopted, and when the stop ring is broken, the relative movement of the bolt and the nut is shown; although the two methods can see that the bolt is over-displaced, taking the first method as an example, if the bolt rotates for one circle relative to the nut, the false phenomenon that the bolt is not loosened can occur; the second method, although more reliable, is not readily reusable and is obviously not suitable for outdoor use on towers; therefore, it is an urgent problem to provide a bolt which can accurately and rapidly detect the tightening degree of the iron tower and can be reused.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a novel bolt for an iron tower, wherein the tightness can be detected, and particularly relates to a novel bolt, wherein a blind hole is formed in the lower surface of a bolt head, and an elastic part and a detection part are arranged in the blind hole. The novel bolt has the advantages of reasonable design and convenient use; after using this bolt, whether the accessible can see the detection portion and observe whether the bolt is not hard up, makes things convenient for maintainer quick, accurate, efficient to seek not hard up screw, improves maintenance efficiency.
The technical scheme of the invention is as follows:
a novel bolt capable of detecting the degree of tightness for an iron tower comprises a bolt head, wherein a screw rod is fixedly connected to the lower surface of the bolt head;
the lower surface of the bolt head is also provided with n blind holes, wherein n is a positive integer greater than or equal to 2;
the blind holes are uniformly distributed on the lower surface of the bolt head along the periphery of the screw rod;
an elastic piece is arranged in the blind hole and connected with a detection part;
the maximum size of the width of the detection part is less than or equal to the diameter of the blind hole;
when the angle iron connecting device is used, a screw rod of the bolt penetrates through a through hole of angle iron of an iron tower, the bolt is pressed tightly, the lower surface of the bolt head is made to be attached to the angle iron, then the nut is screwed onto the bolt and fastened, and angle iron connection is completed;
when the nut and the bolt are screwed, the detection part is stressed and enters the blind hole, and the elastic part is in a compressed state; when the bolt and the nut move relatively, a gap is formed between the bolt head and the angle steel, the elastic piece resets to push the detection part to leave the blind hole, and at the moment, the detection part can be seen from the gap between the bolt head and the angle steel; when the iron tower is maintained and checked, the bolts of the detection part are bolts needing to be screwed again, the loosened bolts can be found quickly and accurately, and any component does not need to be damaged in the bolts, so that the bolts and the nuts can be repeatedly used and can be directly screwed.
Preferably, the number of the blind holes is two, and the two blind holes are uniformly distributed on the lower surface of the bolt head; because the angle steel has the right angle structure, consequently, no matter how big relative rotation of angle takes place for bolt and nut, the measuring part in two blind holes has at least one can be in the position that shows the eye, and the maintainer of being convenient for discovers.
Preferably, for the convenience that the loose bolt was looked for is further improved, the outside coating of detection portion has the colour layer, and the colour layer can be red, green or yellow etc. has the obvious advantage of sign, when maintainer's inspection, can see out the difference of bolt head and detection portion rapidly.
Preferably, the detection portion is cylindrical, and the end face diameter of cylindrical detection portion is the same with the internal diameter of blind hole, and is more firm when can making detection portion along blind hole axis direction reciprocating motion.
Preferably, one end of the elastic piece is fixedly connected with the inside of the blind hole, and the other end of the elastic piece is fixedly connected with the detection part; the elastic piece can be ensured to reset in the process, the reset force can directly act on the set position of the detection part, so that the elastic piece resets, and the detection part acts according to the set track.
Preferably, in order to reduce the cost, the elastic part is a spring, and the manufacturing cost is low.
Preferably, in order to prevent the iron tower from stability reduction caused by the fact that the nut completely falls off after the bolt is loosened, the lower end of the screw rod is provided with a first through hole and a second through hole which is perpendicular to and communicated with the first through hole, the axis of the first through hole is perpendicular to the axis of the bolt, and the first through hole and the second through hole form three through holes; when the nut slides to be separated from the screw rod, the barrier strip can prevent the nut from falling off by using the column object to be inserted into the first through hole, so that the iron tower is kept stable temporarily.
Preferably, in order to improve the convenience of operation, a locking piece is arranged in the three-way hole and comprises a pressing part and two insertion parts connected with the pressing part; the pressing part is positioned in the second through hole, and the two inserting parts are both positioned in the first through hole; during the use, press the splenium, make two inserting portions extend in the first through-hole of its left and right sides respectively, the outside that the inserting portion stretches out first through-hole stops the action of coming off of nut, reaches nut anti-drop's effect. Compared with the prior art, the invention has the beneficial effects that:
1. the novel bolt is free of the external part, and when the bolt and the nut are screwed, the bolt and the nut are screwed in the same way as the existing bolt and nut, special screwing tools and screwing methods are not needed, the preparation of special tools is avoided, and the cost is saved in the aspect of using the tools.
2. The visual inspection detection part can be used for observing the fastening degree of the bolt in the bolt tightening process so as to ensure that the bolt and the nut are completely tightened; when the bolt is maintained and checked, whether the detection part is exposed or not can be visually checked, so that whether the bolt is loosened or not can be accurately and quickly judged, the maintenance efficiency is improved, and the maintenance time is shortened; and the visual inspection saves time and labor, and reduces the use of tools.
3. When this novel bolt is not hard up to detect and the degree of screwing up detects, all need not destroy bolt and nut etc. consequently, unless suffer external force and make the bolt take place to damage, otherwise, bolt and nut all can used repeatedly.
4. This novel bolt is because elastic component and detection portion are with in the blind hole, consequently, elastic component and detection portion all can not exert an influence to the degree of screwing up after the process of screwing up, bolt and the nut of bolt and nut are screwed up.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the novel bolt when the novel bolt is not tightened.
Fig. 2 is a schematic structural diagram of the novel bolt during tightening.
Fig. 3 is a schematic view of the bolt construction when the locking member is not in use.
Fig. 4 is a schematic view of the bolt structure when the locking member is in use.
In the figure, 1-bolt head, 2-screw rod, 3-blind hole, 4-spring, 5-detection part, 6-first through hole, 7-second through hole, 801-pressing part, 802-insertion part, 9-connector and 10-connecting hole.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 shows a state of the spring 4 and the detecting portion 5 when the bolt and the nut are not tightened on both sides of the angle iron;
fig. 2 shows the state of the spring 4 and the detecting part 5 when the bolt and the nut are tightened on both sides of the angle iron;
as shown in fig. 1-2, the invention provides a novel bolt for an iron tower, which can detect the degree of tightness, and comprises a bolt head 1, wherein a screw rod 2 is fixedly connected to the lower surface of the bolt head 1;
the lower surface of the bolt head 1 is also provided with 2 blind holes 3;
the blind holes 3 are uniformly distributed on the lower surface of the bolt head 1 along the periphery of the screw rod 2;
a spring 4 is arranged in the blind hole 3, one end of the spring 4 is connected with the inner top of the blind hole 3 in a welding mode, and the other end of the spring 4 is connected with a detection part 5 in a welding mode; the detection part 5 is a cylindrical metal column, so that the completeness of the metal column is ensured when the detection part is used for multiple times, and the recycling times of the detection part 5 are increased;
the diameter of the detection part 5 is equal to that of the blind hole 3, and the detection part 5 can reciprocate along a given track by the arrangement, so that the stability of the detection part 5 in the displacement process is improved;
in order to improve the rapid identification degree of the detection part 5, the periphery of the detection part 5 is coated with red; when the bolt is used outdoors, the naked red color shows that the bolt and the nut slide relatively and the bolt is loosened, which is shown in figure 1;
when the nut and the bolt are screwed, the detection part 5 is stressed and enters the blind hole 3, and the elastic part is in a compressed state at the moment, as shown in figure 2; when the bolt and the nut move relatively, a gap is formed between the bolt head 1 and the angle steel, the elastic piece resets to push the detection part 5 to leave the blind hole 3, and at the moment, the detection part 5 can be seen from the gap between the bolt head 1 and the angle steel; when the iron tower is maintained and checked, the bolts of the detection part 5 are bolts needing to be screwed again, the loosened bolts can be found quickly and accurately, and any component does not need to be damaged in the bolts, so that the bolts and the nuts can be repeatedly used and can be directly screwed.
In another embodiment, as can be seen from fig. 3, in order to prevent the stability of the iron tower from being reduced due to the fact that the nut completely falls off after the bolt is loosened, the lower end of the screw rod 2 is provided with a first through hole 6 and a second through hole 7 which is perpendicular to and communicated with the first through hole 6, and the axis of the first through hole 6 is perpendicular to the axis of the bolt; the first through hole 6 and the second through hole 7 form three through holes;
in order to improve the convenience of operation, a locking piece is arranged in the three-way hole, and the locking piece comprises a pressing part 801 and two insertion parts 802 connected with the pressing part 801; the pressing part 801 is located in the second through hole 7, and the two insertion parts 802 are both located in the first through hole 6; when the nut is used, the pressing part 801 is pressed, the two inserting parts 802 extend into the first through holes 6 on the left side and the right side of the inserting parts, and the inserting parts 802 extend out of the first through holes 6 to prevent the falling-off behavior of the nut, so that the nut falling-off prevention effect is achieved;
specifically, the insertion portions 802 are arc-shaped elastic pieces, so that the locking pieces are positioned in the three through holes in a herringbone manner, and the locking pieces can be prevented from slipping from the second through holes 7 under the condition that no external force is used, as shown in fig. 3;
the two insertion portions 802 are hinged to the pressing portion 801 respectively, the connecting head 9 is fixedly connected between the two insertion portions 802, a connecting hole 10 matched with the connecting head for use is formed in the first through hole 6, when the pressing portion 801 is pressed, the two insertion portions 802 are opened towards two sides, the connecting head 9 extends into the connecting hole 10, and the locking effect of the locking piece on the nut is fully exerted, and the view is shown in fig. 4.
Although the present invention has been described in detail by referring to the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. A novel bolt capable of detecting the degree of tightness of an iron tower is characterized by comprising a bolt head, wherein a screw rod is fixedly connected to the lower surface of the bolt head;
the lower surface of the bolt head is also provided with n blind holes, wherein n is a positive integer greater than or equal to 2;
the blind holes are uniformly distributed on the lower surface of the bolt head along the periphery of the screw rod;
an elastic piece is arranged in the blind hole and connected with a detection part;
the maximum size of the width of the detection part is less than or equal to the diameter of the blind hole;
the elastic piece is a spring;
the lower end of the screw is provided with a first through hole and a second through hole which is vertical to and communicated with the first through hole, the axis of the first through hole is vertical to the axis of the bolt, and the first through hole and the second through hole form three through holes;
a locking piece is arranged in the three-way hole and comprises a pressing part and two insertion parts connected with the pressing part; the pressing part is positioned in the second through hole, and the two inserting parts are both positioned in the first through hole;
fixedly connected with connector between two portions of inserting is equipped with the connecting hole that uses with the connector is supporting in the inside of first through-hole, presses when pressing the splenium when pressing, and two portions of inserting are opened to both sides, and the connector stretches into in the connecting hole.
2. The novel bolt capable of detecting tightness for iron tower according to claim 1, characterized in that the number of the blind holes is two, and the two blind holes are uniformly distributed on the lower surface of the bolt head.
3. The novel bolt capable of detecting tightness for iron tower according to claim 1, characterized in that the exterior of the detection part is coated with a color layer, and the color layer can be red, green or yellow.
4. The novel bolt capable of detecting tightness of iron tower according to any one of claims 1-3, characterized in that the detection portion is cylindrical, and the diameter of the end face of the cylindrical detection portion is the same as the inner diameter of the blind hole.
5. The novel bolt capable of detecting tightness of iron tower according to claim 4, wherein one end of the elastic member is fixedly connected with the inside of the blind hole, and the other end of the elastic member is fixedly connected with the detection portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010851789.7A CN112032171B (en) | 2020-08-21 | 2020-08-21 | A novel bolt that is used for iron tower detectable degree of screwing up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010851789.7A CN112032171B (en) | 2020-08-21 | 2020-08-21 | A novel bolt that is used for iron tower detectable degree of screwing up |
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| Publication Number | Publication Date |
|---|---|
| CN112032171A CN112032171A (en) | 2020-12-04 |
| CN112032171B true CN112032171B (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010851789.7A Active CN112032171B (en) | 2020-08-21 | 2020-08-21 | A novel bolt that is used for iron tower detectable degree of screwing up |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113297711B (en) * | 2021-07-28 | 2022-01-07 | 广东电网有限责任公司中山供电局 | Structure optimization method and device for passive loosening early warning bolt |
| CN114582104B (en) * | 2022-03-03 | 2024-07-26 | 国网山东省电力公司电力科学研究院 | Bolt looseness early warning device for power transmission tower |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154098B (en) * | 2014-08-11 | 2016-01-27 | 青岛大学 | A kind of battery electrode screw check device |
| CN104696338B (en) * | 2015-01-15 | 2017-08-29 | 广州中国科学院工业技术研究院 | A kind of fastening bolt of built-in load cell |
| CN104806617A (en) * | 2015-04-29 | 2015-07-29 | 无锡市崇安区科技创业服务中心 | Intelligent inductive screw |
| CN207261413U (en) * | 2017-06-12 | 2018-04-20 | 核动力运行研究所 | A kind of bolt of band detection function in place |
| CN107091267A (en) * | 2017-06-24 | 2017-08-25 | 来小弟 | A kind of anti-theft bolt group independently alarmed |
| CN207795803U (en) * | 2018-01-31 | 2018-08-31 | 沈俊彤 | A kind of bolt with warning function |
| CN109103625B (en) * | 2018-08-03 | 2019-06-04 | 珠海市中力电力设备有限公司 | A kind of E shaped cable clamp |
| CN109915463A (en) * | 2019-03-28 | 2019-06-21 | 海盐光大标准件有限公司 | A kind of high-strength bolt with warning function |
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