CN108555812B - Ball type anti-theft nut dismounting tool - Google Patents
Ball type anti-theft nut dismounting tool Download PDFInfo
- Publication number
- CN108555812B CN108555812B CN201810701405.6A CN201810701405A CN108555812B CN 108555812 B CN108555812 B CN 108555812B CN 201810701405 A CN201810701405 A CN 201810701405A CN 108555812 B CN108555812 B CN 108555812B
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- China
- Prior art keywords
- nut
- ball
- blind hole
- magnetic component
- sleeve
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- 230000000149 penetrating Effects 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 229910052742 iron Inorganic materials 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 231100000817 safety factor Toxicity 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/48—Spanners; Wrenches for special purposes
- B25B13/485—Spanners; Wrenches for special purposes for theft-proof screws, bolts or nuts
Abstract
The invention provides a ball type antitheft nut dismounting tool, which belongs to the technical field of power maintenance tools and comprises a sleeve with a blind hole arranged therein, wherein an orifice of the blind hole is a hexagon socket counter bore matched with an antitheft nut, a magnetic component for adsorbing balls in the antitheft nut is arranged in the blind hole, and a driving mechanism for driving the magnetic component to rotate is arranged on the side wall of the sleeve. According to the invention, the magnetic force component in the sleeve adsorbs the balls in the arc-shaped blind groove of the anti-theft nut, and the driving mechanism is utilized to rotate the magnetic force component to enable the balls to rotate to the end part of the arc-shaped blind groove, so that the balls are prevented from hindering the loosening of the anti-theft nut, the anti-theft nut is easily and quickly detached from the bolt, the high-altitude maintenance operation of the power transmission iron tower is facilitated, the maintenance speed can be accelerated, the working efficiency and the working safety coefficient are improved, and the safe production is ensured.
Description
Technical Field
The invention belongs to the technical field of power maintenance tools, and particularly relates to a ball type anti-theft nut dismounting tool.
Background
At present, the ball type anti-theft nut matched with the bolt is widely applied to towers of electric power, communication and high-speed railway contact networks. As shown in fig. 2 and 3, a pair of arc-shaped blind grooves are formed in the upper portion of the internal thread of the ball type anti-theft nut, the cross section of each blind groove is arc-shaped, the radial depth of each blind groove is gradually increased in a direction opposite to the direction of the turning of the thread, and balls are arranged in the two blind grooves respectively and are provided with a special plastic inner bushing and a plastic gasket, so that the balls can move freely. When the nut is screwed clockwise, the ball rolls along the blind groove, and when the nut is unscrewed anticlockwise, the ball is clamped in the thread because the radial width of the blind groove is gradually reduced, so that the nut cannot be unscrewed, and an anti-theft effect is achieved. The anti-theft nut is convenient to fasten and has extremely strong anti-theft, anti-vibration and anti-falling effects. But the application of theftproof nut has also brought new problem for later stage iron tower maintenance, because transmission line iron tower component exposes in atmospheric environment for a long time, and temperature variation atmospheric corrosion makes circuit tower material produce the corrosion deformation, need dismantle bolt and theftproof nut just can better new tower material component when the tower material is overhauld, but the theftproof nut then has the difficult problem of dismantling because of its self structural feature.
In the prior art, a large-torque wrench is mostly adopted for dismounting ball type anti-theft nuts, the ball type anti-theft nuts are screwed in the fastening direction until bolts are unscrewed, or the anti-theft nuts are dismounted by using methods such as a hacksaw, a toothless saw or gas cutting, and the like, so that the dismounting method is time-consuming and labor-consuming, and has certain potential safety hazards.
Disclosure of Invention
The invention aims to provide a ball type anti-theft nut dismounting tool, which aims to solve the technical problem that the dismounting difficulty of an anti-theft nut in the prior art is high.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a ball formula antitheft nut extracting tool, establishes the sleeve of blind hole in including, the drill way of blind hole be with antitheft nut complex hexagon socket head hole, be equipped with the magnetic force component that is used for adsorbing ball in the antitheft nut in the blind hole, be equipped with on the sleeve lateral wall and be used for the drive magnetic force component pivoted actuating mechanism.
Furthermore, one end of the magnetic component is in contact with the end face of the ball embedded in the antitheft nut, and the other end of the magnetic component is provided with a spring which is arranged at the bottom of the blind hole.
Furthermore, the bottom of the blind hole is provided with a through hole, a gasket is arranged on the table top at the junction of the blind hole and the through hole, and the spring is arranged between the gasket and the magnetic member.
Furthermore, the driving mechanism comprises a force application part, a slot arranged on the outer wall of the sleeve and a tooth form arranged on the outer circular surface of the magnetic force component, the slot is arranged by penetrating through the blind hole, and the tooth surface of the tooth form is parallel to the central axis of the magnetic force component; the force application part is matched with the tooth form on the outer circular surface of the magnetic component through the slot, and the magnetic component is stirred to rotate relative to the anti-theft nut.
Furthermore, the number of the slots is two, and the slots are symmetrically arranged on the outer wall of the sleeve.
Further, the force application part is a straight screwdriver.
Furthermore, a pair of auxiliary holes is radially and symmetrically arranged on the side wall of the through hole.
Furthermore, blind holes are respectively formed in two ends of the sleeve, each blind hole is used for accommodating the magnetic component and the antitheft nut, and the through holes are formed between the two blind holes.
Furthermore, the end outer circle face of the sleeve is a polyhedron matched with the wrench.
Further, the polyhedron is correspondingly arranged outside the inner hexagonal counter bore.
The ball type anti-theft nut dismounting tool provided by the invention has the beneficial effects that: compared with the prior art, the ball type anti-theft nut dismounting tool provided by the invention has the advantages that the balls in the arc-shaped blind groove of the anti-theft nut are adsorbed by the magnetic component in the sleeve, the magnetic component is rotated by the driving mechanism to enable the balls to rotate to the end part of the arc-shaped blind groove, the balls are prevented from hindering the anti-theft nut from loosening, the dismounting of the anti-theft nut is easily and quickly realized, the high-altitude maintenance operation of a power transmission tower is facilitated, the maintenance speed can be accelerated, the working efficiency and the working safety factor are improved, and the safety production is.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a ball type antitheft nut dismounting tool according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a ball-type anti-theft nut in the prior art;
FIG. 3 is a left side view of FIG. 2;
wherein, in the figures, the respective reference numerals:
1-sleeve, 2-anti-theft nut, 3-inner hexagonal counter bore, 4-ball, 5-magnetic component, 6-bolt, 7-spring, 8-through hole, 9-gasket, 10-open groove, 11-tooth form, 12-auxiliary hole, 13-polyhedron, 14-arc blind groove.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Referring to fig. 1, the anti-theft nut comprises a sleeve 1 with a blind hole arranged therein, an orifice of the blind hole is a hexagon socket counter bore 3 matched with an anti-theft nut 2, a magnetic member 5 for adsorbing balls 4 in the anti-theft nut 2 is arranged in the blind hole, and a driving mechanism for driving the magnetic member 5 to rotate is arranged on the side wall of the sleeve 1. Through magnetic force component and antitheft nut terminal surface contact, utilize the magnetic force of magnetic force component to hold the ball in the antitheft nut, rotate the magnetic force component with the help of actuating mechanism, it is spacing to utilize hexagonal counter bore to carry out circumference to the antitheft nut, along with the rotation of magnetic force component, can drag the wide department of taking to the blind groove of arc type with the ball in the blind groove of arc type fixed, guarantee that the ball does not roll along with the blind groove of arc type when antitheft nut rotates, fix bolt and magnetic force component, rotate antitheft nut and can easily realize the dismantlement of antitheft nut.
Compared with the prior art, the ball type anti-theft nut dismounting tool has the advantages of simple and compact structure, convenience and quickness in operation and high working efficiency, the balls in the arc-shaped blind groove of the anti-theft nut are adsorbed by the magnetic component, the magnetic component is rotated by the driving mechanism to enable the balls to rotate to the end part of the arc-shaped blind groove, the balls are prevented from hindering the anti-theft nut from loosening, the anti-theft nut is dismounted easily and quickly, and the dismounted anti-theft nut can be recycled. The invention can improve the safety coefficient of maintenance work, provides convenience for high-altitude maintenance operation of the power transmission tower, can accelerate the maintenance speed, reduce the labor intensity of workers and ensure safe production.
Further, referring to fig. 1, as a specific embodiment of the ball-type antitheft nut dismounting tool provided by the present invention, one end of the magnetic member 5 is in contact with an end surface of the ball 4 embedded in the antitheft nut 2, the other end of the magnetic member 5 is provided with a spring 7, the spring 7 is disposed at the bottom of the blind hole, and the magnetic member is pressed against the end surface of the antitheft nut by the elastic force of the spring, so as to better adsorb the embedded ball. In order to conveniently arrange the bolt 6 matched with the anti-theft nut 2 in the sleeve, a groove for accommodating the bolt can be processed on the end face of the magnetic component, so that the anti-theft nut with a longer bolt length can be conveniently detached.
The magnetic component can be provided with a magnet block at one end contacted with the anti-theft nut, and can also be integrally made of a magnet. The specific structure can be determined according to the size of the ball to be adsorbed.
Further, referring to fig. 1, as a specific embodiment of the ball type antitheft nut dismounting tool provided by the present invention, a through hole 8 is provided at the bottom of the blind hole, a gasket 9 is provided on a table surface at a junction of the blind hole and the through hole 8, and the spring 7 is disposed between the gasket 9 and the magnetic member 5. The through holes are used for reducing the whole weight, and the gasket provides counterforce for the spring.
Further, referring to fig. 1, as a specific embodiment of the ball type antitheft nut dismounting tool provided by the present invention, the driving mechanism includes a force application member, a slot 10 disposed on the outer wall of the sleeve 1, and a tooth profile 11 disposed on the outer circumferential surface of the magnetic member 5, wherein the slot 10 is disposed through the blind hole, and the tooth surface of the tooth profile 11 is parallel to the central axis of the magnetic member 5; the force application part is matched with a tooth form 11 on the outer circular surface of the magnetic component 5 through a slot 10, and the magnetic component 5 is stirred to rotate relative to the anti-theft nut 2. When the anti-theft nut is embedded in the inner hexagonal counter bore, the tooth form on the excircle of the magnetic member is exposed from the open slot, and the exposed tooth form of the magnetic member is shifted by the force application member, so that the ball in the anti-theft nut can be dragged to the wide position of the arc-shaped blind slot.
Further, referring to fig. 1, as a specific embodiment of the ball type anti-theft nut dismounting tool provided by the present invention, the two slots 10 are symmetrically disposed on the outer wall of the sleeve 1. The slot can also be set as required, conveniently stir the magnetic force component can.
Further, as a specific embodiment of the ball type anti-theft nut dismounting tool provided by the invention, the force application member is a straight screwdriver. The straight screwdriver is a common tool for electric power overhaul, is convenient to obtain materials, and does not need to purchase or manufacture other tools.
Of course, the force application part can also be a small roller arranged at the slot, external teeth meshed with the tooth form on the magnetic member are also processed on the outer circle of the small roller, and the magnetic member is driven to rotate relative to the anti-theft nut by rotating the small roller.
Further, as a specific embodiment of the ball type antitheft nut dismounting tool provided by the present invention, blind holes for accommodating the magnetic member 5 and the antitheft nut 2 are respectively provided at both ends of the sleeve 1, and the through hole 8 is provided between the two blind holes. The inner hexagonal counter bores of the two blind hole orifices can be selected from different sizes to adapt to anti-theft nuts with different specifications. The common anti-theft nuts have two specifications of M16 and M18.
Further, referring to fig. 1, as a specific embodiment of the ball type anti-theft nut dismounting tool provided by the present invention, a pair of auxiliary holes 12 is radially and symmetrically disposed on a sidewall of the through hole 8. The cylindrical rod body is inserted into the auxiliary hole, and the magnetic force component and the exposed end of the bolt matched with the antitheft nut are fixed, so that the sleeve can be easily rotated, and the antitheft nut can be disassembled.
Further, referring to fig. 1, as a specific embodiment of the ball type anti-theft nut dismounting tool provided by the present invention, an outer circular surface of an end portion of the sleeve 1 is a polyhedron 13 matched with a wrench. The spanner adopts ratchet spanner, overlaps the ratchet spanner in telescopic polyhedron one end, does reverse motion and can demolish the antitheft nut, notices simultaneously: when the ratchet wrench is rotated to move reversely, the magnetic force component is not rotated clockwise, and the bolt is fixed at the same time.
If can not drag two balls to the blind groove wide body of arc type fixed department during the use probably be that the ball is corroded in the blind groove of arc type and is blocked, use ratchet spanner to do clockwise before dismantling to hit the bolt vibration and resume ball to free state, do above-mentioned action again can.
Further, referring to fig. 1, as a specific embodiment of the ball type anti-theft nut dismounting tool provided by the present invention, the polyhedron 13 is correspondingly disposed outside the hexagon socket head 3. The torque can be conveniently applied to the anti-theft nut by means of the structure, and if the polyhedron is staggered with the inner hexagonal counter bore, the sleeve is easy to distort and deform in the operation process.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. Ball formula theftproof nut extracting tool, its characterized in that: the anti-theft nut comprises a sleeve with a blind hole, wherein the orifice of the blind hole is an inner hexagonal counter bore matched with the anti-theft nut, a magnetic component for adsorbing balls in the anti-theft nut is arranged in the blind hole, and a driving mechanism for driving the magnetic component to rotate is arranged on the side wall of the sleeve; one end of the magnetic component is in contact with the end face of the ball embedded in the antitheft nut, a groove used for containing a bolt is machined in the end face of the magnetic component, and a spring is arranged at the other end of the magnetic component and arranged at the bottom of the blind hole.
2. The ball antitheft nut remover of claim 1 wherein: the bottom of the blind hole is provided with a through hole, a gasket is arranged on the table top at the junction of the blind hole and the through hole, and the spring is arranged between the gasket and the magnetic component.
3. The ball antitheft nut remover of claim 2 wherein: the driving mechanism comprises a force application part, a slot and a tooth form, the slot is arranged on the outer wall of the sleeve, the tooth form is arranged on the outer circular surface of the magnetic component, the slot is arranged by penetrating through the blind hole, and the tooth surface of the tooth form is parallel to the central axis of the magnetic component; the force application part is matched with the tooth form on the outer circular surface of the magnetic component through the slot, and the magnetic component is stirred to rotate relative to the anti-theft nut.
4. The ball antitheft nut remover of claim 3 wherein: the number of the slots is two, and the slots are symmetrically arranged on the outer wall of the sleeve.
5. The ball antitheft nut remover of claim 3 wherein: the force application piece is a straight screwdriver.
6. The ball antitheft nut remover of claim 2 wherein: and a pair of auxiliary holes is radially and symmetrically arranged on the side wall of the through hole.
7. The ball antitheft nut remover of any of claims 2-6, wherein: the telescopic both ends are equipped with the blind hole respectively, every the blind hole is used for holding magnetic force component and antitheft nut, the through-hole sets up in two between the blind hole.
8. The ball antitheft nut remover of claim 7 wherein: the outer circle face of the end part of the sleeve is a polyhedron matched with the wrench.
9. The ball antitheft nut remover of claim 8 wherein: the polyhedron is correspondingly arranged outside the inner hexagonal counter bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810701405.6A CN108555812B (en) | 2018-06-29 | 2018-06-29 | Ball type anti-theft nut dismounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810701405.6A CN108555812B (en) | 2018-06-29 | 2018-06-29 | Ball type anti-theft nut dismounting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108555812A CN108555812A (en) | 2018-09-21 |
| CN108555812B true CN108555812B (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810701405.6A Active CN108555812B (en) | 2018-06-29 | 2018-06-29 | Ball type anti-theft nut dismounting tool |
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| Country | Link |
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| CN (1) | CN108555812B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178037B (en) * | 2020-09-18 | 2023-06-13 | 国网河南省电力公司信阳供电公司 | Automatic locking iron tower anti-theft cap |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203202066U (en) * | 2012-08-27 | 2013-09-18 | 潘玉祥 | Magnetically controlled direction-variable ratchet-pawl type overrunning clutch |
| CN204226408U (en) * | 2014-06-26 | 2015-03-25 | 哈尔滨科立信安防科技有限公司 | Magnetic theft-proof lock jack panel and removal tool special |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8667872B2 (en) * | 2010-10-26 | 2014-03-11 | Nicholas McCullough | Socket holder |
| CN204140626U (en) * | 2014-10-10 | 2015-02-04 | 国网河北省电力公司衡水供电分公司 | Novel anti-theft nut and Special rotary spanner thereof |
| CN105443559A (en) * | 2015-12-25 | 2016-03-30 | 中国石油天然气股份有限公司 | Magnetic anti-theft screw cap and dedicated wrench |
-
2018
- 2018-06-29 CN CN201810701405.6A patent/CN108555812B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203202066U (en) * | 2012-08-27 | 2013-09-18 | 潘玉祥 | Magnetically controlled direction-variable ratchet-pawl type overrunning clutch |
| CN204226408U (en) * | 2014-06-26 | 2015-03-25 | 哈尔滨科立信安防科技有限公司 | Magnetic theft-proof lock jack panel and removal tool special |
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| Publication number | Publication date |
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| CN108555812A (en) | 2018-09-21 |
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