CN204868750U - Nut breaker - Google Patents
Nut breaker Download PDFInfo
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- CN204868750U CN204868750U CN201520450458.7U CN201520450458U CN204868750U CN 204868750 U CN204868750 U CN 204868750U CN 201520450458 U CN201520450458 U CN 201520450458U CN 204868750 U CN204868750 U CN 204868750U
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- bolt
- nut
- inner chamber
- cutter
- slider
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Abstract
The utility model discloses a nut breaker belongs to the chemical industry equipment field. This nut breaker includes bolt, drum support, slider, cutter, the drum support is including drum section and the canned paragraph connected in order, the drum section is provided with bolt transmission inner chamber and slider slip inner chamber, sets up the axial notch on the relative inner wall of slider slip inner chamber, the canned paragraph is provided with cutter chamber and nut chamber, and axis direction between them is orthogonal. Be provided with on the relative outer wall of slider with axial notch matched with axial protruding, the inside mounting hole that is used for fixing cutter that is provided with of slider. Bolt and bolt transmission inner chamber threaded connection, the tip contact with each other of slider and bolt, and can follow the endwise slip of slider slip inner chamber. The cutter includes the blade, and changeover portion and tool bit, blade are fixed in the mounting hole, and changeover portion and tool bit are located the outside of slider, and can follow cutter chamber axial motion. The utility model provides a nut breaker labour saving and time saving and safe and reliable.
Description
Technical field
The utility model relates to field of chemical equipment, particularly a kind of nut breaker.
Background technology
In oilfield process, usually use distribution line, especially 10 (6) kV distribution lines provide electric power.But along with the continuous increase of distribution line running time, it is seriously aging.The thing followed is the nut in distribution line, and the problem of rustiness of the particularly equipment such as falling type switch and insulator top nut is more serious.Need when changing each equipment in distribution line synchronously to change the nut got rusty.
Prior art adopts following methods to change the nut got rusty usually, is first repeatedly sprayed on by loosening agent on the nut got rusty, the nut then adopting supporting spanner to rotate this to get rusty, and makes it loosen.When getting rusty serious, also needing to utilize the instrument impact spanners such as hammer, making nut loosening by the external force of this impact.
Designer finds that prior art at least exists following problem:
Prior art utilizes spanner loose nut, not only wastes time and energy and there is potential safety hazard.
Utility model content
The utility model embodiment technical problem to be solved is, provides a kind of time saving and energy saving and safe and reliable nut breaker.Concrete technical scheme is as follows:
A kind of nut breaker, comprises bolt, cylinder stent, slide block, cutter; Described cylinder stent comprises the cylindrical section and canned paragraph that connect in turn; Described cylindrical section inside is provided with bolt transmission inner chamber and skid inner chamber in turn, and the inwall that described skid inner chamber is relative is provided with axial notch; Described canned paragraph inside is provided with the tool cavity for holding described cutter and the nut cavity for hold-down nut in turn, and the axis direction of described tool cavity and described nut cavity is orthogonal;
The outer wall that described slide block is relative is provided with the axial projection matched with described axial notch, described slide block inside is provided with the installing hole for fixing described cutter;
Described bolt is connected with described bolt transmission thread in inner cavity; The end of described slide block and described bolt contacts with each other, and described slide block can slide axially along described skid inner chamber;
Described cutter comprises the blade connected in turn, changeover portion and cutter head, and described blade is fixed in described installing hole, and described changeover portion and described cutter head are positioned at the outside of described slide block, and can along described tool cavity axially-movable.
Particularly, described bolt comprises the bolt head and shank of bolt that are fixedly connected with in turn, and described bolt head is hex nut structure.
As preferably, the outer setting of described shank of bolt has rectangle external screw thread, the inwall of described bolt transmission inner chamber is provided with the rectangle internal thread matched with described rectangle external screw thread.
Particularly, the rectangular in cross-section structure of described installing hole.
As preferably, described cutter head is made up of two relative cambered surface sidepieces, and the top of described two relative cambered surface sidepieces forms the pinnacle part of described cutter head jointly, splits nut for boring; The bottom of described two relative cambered surface sidepieces forms the bottom of described cutter head jointly, for being connected with the end face of described changeover portion; The sidepiece cambered surface of described two relative cambered surface sidepieces forms the curved side portions of described cutter head jointly, for the nut that bears down on one.
As preferably, the angle between the sidepiece cambered surface of two relative cambered surface sidepieces is 78 °, and the periphery arc length of each described sidepiece cambered surface is 11.7mm.
Further, the described canned paragraph of described cylinder stent also comprises manhole, and described manhole is arranged on the below of described nut cavity, for passing the bolt on equipment to be removed.
Particularly, as preferably, the end of described canned paragraph is also provided with load bearing wall.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
The nut breaker that the utility model embodiment provides, by the structure be defined as above, nut to be broken can be made to be fixed in the nut cavity of this cylinder stent canned paragraph, then, by swivel bolt, make its axial advancement in the bolt transmission inner chamber of cylinder stent, and then band movable slider moves forward in skid inner chamber, and then carry its tools axial advancement in the tool cavity of cylinder stent canned paragraph, until cutter head contacts with nut to be broken and bores gradually cut nut.Because the axis direction of tool cavity and nut cavity is orthogonal, then cutter head can push up along the direction with nut axis perpendicular and presses and cut the sidewall of nut, until it is broken.Visible, the nut breaker that the utility model embodiment provides is not only time saving and energy saving and safe and reliable, is convenient to large-scale promotion application.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the nut breaker that the utility model embodiment provides;
Fig. 2 is in the nut breaker that provides of the utility model embodiment, the structural representation of cutter;
Fig. 3 is in the cutter that provides of the utility model embodiment, the structural representation of cutter head.
Reference numeral represents respectively:
1 bolt,
101 bolt heads,
102 shanks of bolt,
2 cylinder stents,
201 bolt transmission inner chambers,
202 skid inner chambers,
203 tool cavity,
204 nut cavities,
205 manholes,
206 load bearing walls,
3 slide blocks,
4 cutters,
401 blades,
402 changeover portions,
403 cutter heads.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
As shown in Figure 1, the utility model embodiment provides a kind of nut breaker, comprises bolt 1, cylinder stent 2, slide block 3, cutter 4.Wherein, cylinder stent 2 comprises the cylindrical section and canned paragraph that connect in turn; This cylindrical section inside is provided with bolt transmission inner chamber 201 and skid inner chamber 202 in turn, and the inwall that this skid inner chamber 202 is relative is provided with axial notch.This canned paragraph inside is provided with the tool cavity 203 for holding cutter 4 and the nut cavity 204 for hold-down nut in turn, and tool cavity 203 is orthogonal with the axis direction of nut cavity 204.
The outer wall that slide block 3 is relative is provided with the axial projection matched with axial notch, and slide block 3 inside is provided with the installing hole for fixed cutting tool 4.
Bolt 1 is threaded with bolt transmission inner chamber 201; Slide block 3 contacts with each other with the end of bolt 1, and this slide block 3 can slide axially along skid inner chamber 202.
Cutter 4 comprises the blade 401 connected in turn, changeover portion 402 and cutter head 403, and blade 401 is fixed in installing hole, and changeover portion 402 and cutter head 403 are positioned at the outside of slide block 3, and can along tool cavity 203 axially-movable.
Be understandable that, by arranging axial notch on the inwall that skid inner chamber 202 is relative, on the outer wall that slide block 3 is relative, be provided with the axial projection matched with axial notch simultaneously, slide axially in skid inner chamber 202 to realize slide block 3.Be understandable that further, the internal diameter of bolt transmission inner chamber 201 is greater than the internal diameter of skid inner chamber 202, so that the part of slide block 3 can be positioned at bolt transmission inner chamber 201.Because slide block 3 end with bolt 1 contacts with each other, when bolt 1 is in bolt transmission inner chamber 201 during axial advancement, it can promote slide block 3 axial advancement in skid inner chamber 202.
The nut breaker that the utility model embodiment provides, by the structure be defined as above, nut to be broken can be made to be fixed in the nut cavity 204 of this cylinder stent 2 canned paragraph, then, by swivel bolt 1, make its axial advancement in the bolt transmission inner chamber 201 of cylinder stent 2, and then band movable slider 3 moves forward in skid inner chamber 202, and then carry its tools 4 axial advancement in the tool cavity 203 of cylinder stent 2 canned paragraph, until cutter head contacts with nut to be broken and cuts nut gradually.Because tool cavity 203 is orthogonal with the axis direction of nut cavity 204, then cutter head 403 can push up along the direction with nut axis perpendicular and presses and cut the sidewall of nut, until by its fragmentation.Visible, the nut breaker that the utility model embodiment provides is not only time saving and energy saving and safe and reliable, is convenient to large-scale promotion application.
Particularly, the utility model embodiment bolt 1 used comprises the bolt head 101 and shank of bolt 102 that are fixedly connected with in turn, and wherein bolt head 101 is hex nut structure.By bolt head 101 is set to hex nut structure, with this bolt 1 of the tool into rotation such as spanner easy to use, reduce the labour intensity of operating personnel.
Particularly, the outer setting of the shank of bolt 102 of this bolt 1 has rectangle external screw thread, and in cylinder stent 2 the bolt transmission inner chamber 201 of cylindrical section inwall on be provided with the rectangle internal thread matched with this rectangle external screw thread.By above-mentioned setting, to make shank of bolt 102 be threaded with bolt transmission inner chamber 201, and make shank of bolt 102 along cylinder stent 2 axially-movable by rotating bolt 1.
Further, the material of the bolt 1 that the utility model embodiment is used can select 65Mn stainless steel, to ensure the intensity of bolt 1.
As shown in Figure 2, cutter 4 comprises the blade 401 connected in turn, changeover portion 402 and cutter head 403, and wherein, blade 401 is fixed in the installing hole of slide block 3, and changeover portion 402 and cutter head 403 are positioned at the outside of slide block 3, and can along tool cavity 203 axially-movable.Particularly, blade 401 is in rectangular structure.Because slide block 3 inside is provided with the installing hole for fixed cutting tool 4, and blade 401 is fixed on installing hole inside, in order to ensure coordinating completely of blade 401 and installing hole, makes it stably be fixed on slide block 3 inner, the preferred rectangular structure in cross section of this installing hole.Further as shown in Figure 3, cutter head 403 (also can be understood as blade) is made up of two relative contour bodies, and the top of these two relative contour bodies forms the pinnacle part of cutter head 403 jointly, cuts nut for boring; The bottom of these two relative contour bodies forms the bottom of cutter head 403 jointly, for being connected with the end face of changeover portion 402; The sidepiece cambered surface of these two relative contour bodies forms the curved side portions of cutter head 403 jointly, for the nut that bears down on one, makes nut cracked.Further, the angle between the sidepiece cambered surface of these two relative contour bodies is 78 °, and the periphery arc length of each sidepiece cambered surface is 11.7mm.By as above arranging cutter 4 structure, can ensure that the cutter head of cutter 4 vertically aims at the sidewall of nut to be broken, making it push up pressure nut and be risen brokenly.
Wherein, in order to ensure that this cutter 4 can be completely broken by nut, the blade of this cutter 4 and the preferred 45# stainless steel of the material of changeover portion, and the preferred wolfram steel YG15 of the material of cutter head, its hardness is preferably at more than 91HRA.Blade and changeover portion are preferably an entirety.Then by welding, changeover portion is connected with cutter head by the mode of such as Plasma Welding.In order to ensure welding effect, welding process preferably adopts SL-938 scaling powder.
Further, in the cylinder stent 2 that the utility model embodiment provides, canned paragraph also comprises manhole 205, and this manhole 205 is arranged on the below of nut cavity 204, for passing the bolt 1 on equipment to be removed.The utility model embodiment arranges by the canned paragraph at cylinder stent 2 nut cavity 204 being used for fixing nut to be broken, and the manhole 205 of the screw rod be connected with this nut screw connection to be broken on fixing equipment to be removed is set, to make this cylinder stent 2 be connected with the screw bolt and nut of equipment to be removed (such as insulator, falling type switch etc.), thus the cutter 4 ensureing in this nut breaker effectively can bore and cuts and the nut that breaks.Be understandable that, in the utility model embodiment, the inner chamber of nut cavity 204 is consistent with the outer wall shape of nut to be broken.
Further, the end of this canned paragraph is also provided with load bearing wall 206, by arranging load bearing wall 206 to ensure the intensity of this cylinder stent 2, improves its service life.Wherein, the structure of load bearing wall 206 for circular plate type or can have erose bulk.
In order to ensure the intensity of this circular support further, the preferred 65Mn stainless steel of its material.
The foregoing is only preferred embodiment of the present utility model; not in order to limit protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a nut breaker, comprises bolt, cylinder stent, slide block, cutter; Described cylinder stent comprises the cylindrical section and canned paragraph that connect in turn; Described cylindrical section inside is provided with bolt transmission inner chamber and skid inner chamber in turn, and the inwall that described skid inner chamber is relative is provided with axial notch; Described canned paragraph inside is provided with the tool cavity for holding described cutter and the nut cavity for hold-down nut in turn, and the axis direction of described tool cavity and described nut cavity is orthogonal;
The outer wall that described slide block is relative is provided with the axial projection matched with described axial notch, described slide block inside is provided with the installing hole for fixing described cutter;
Described bolt is connected with described bolt transmission thread in inner cavity; The end of described slide block and described bolt contacts with each other, and described slide block can slide axially along described skid inner chamber;
Described cutter comprises the blade connected in turn, changeover portion and cutter head, and described blade is fixed in described installing hole, and described changeover portion and described cutter head are positioned at the outside of described slide block, and can along described tool cavity axially-movable.
2. breaker according to claim 1, is characterized in that, described bolt comprises the bolt head and shank of bolt that are fixedly connected with in turn, and described bolt head is hex nut structure.
3. breaker according to claim 2, is characterized in that, the outer setting of described shank of bolt has rectangle external screw thread, the inwall of described bolt transmission inner chamber is provided with the rectangle internal thread matched with described rectangle external screw thread.
4. breaker according to claim 1, is characterized in that, the rectangular in cross-section structure of described installing hole.
5. breaker according to claim 1, is characterized in that, described cutter head is made up of two relative contour bodies, and the top of described two relative contour bodies forms the pinnacle part of described cutter head jointly, splits nut for boring; The bottom of described two relative contour bodies forms the bottom of described cutter head jointly, for being connected with the end face of described changeover portion; The sidepiece cambered surface of described two relative contour bodies forms the curved side portions of described cutter head jointly, for the nut that bears down on one.
6. breaker according to claim 5, is characterized in that, the angle between the sidepiece cambered surface of described two relative contour bodies is 78 °, and the periphery arc length of each described sidepiece cambered surface is 11.7mm.
7. breaker according to claim 1, is characterized in that, the described canned paragraph of described cylinder stent also comprises manhole, and described manhole is arranged on the below of described nut cavity, for passing the bolt on equipment to be removed.
8. breaker according to claim 7, is characterized in that, the end of described canned paragraph is also provided with load bearing wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520450458.7U CN204868750U (en) | 2015-06-26 | 2015-06-26 | Nut breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520450458.7U CN204868750U (en) | 2015-06-26 | 2015-06-26 | Nut breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204868750U true CN204868750U (en) | 2015-12-16 |
Family
ID=54813171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520450458.7U Active CN204868750U (en) | 2015-06-26 | 2015-06-26 | Nut breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204868750U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107717807A (en) * | 2017-11-28 | 2018-02-23 | 国家电网公司 | A kind of nut removes device |
| CN108942776A (en) * | 2018-08-17 | 2018-12-07 | 国网新疆电力有限公司阿克苏供电公司 | Rotary nut crushing device |
| CN109967962A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of round nut breaks cutting tool and its application method |
-
2015
- 2015-06-26 CN CN201520450458.7U patent/CN204868750U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107717807A (en) * | 2017-11-28 | 2018-02-23 | 国家电网公司 | A kind of nut removes device |
| CN109967962A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of round nut breaks cutting tool and its application method |
| CN109967962B (en) * | 2017-12-27 | 2023-08-15 | 核动力运行研究所 | Round nut breaking tool and use method thereof |
| CN108942776A (en) * | 2018-08-17 | 2018-12-07 | 国网新疆电力有限公司阿克苏供电公司 | Rotary nut crushing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |