CN206409494U - The big hexagonal high strength bolt connection pairs of M36 torque-shear types - Google Patents
The big hexagonal high strength bolt connection pairs of M36 torque-shear types Download PDFInfo
- Publication number
- CN206409494U CN206409494U CN201720279607.7U CN201720279607U CN206409494U CN 206409494 U CN206409494 U CN 206409494U CN 201720279607 U CN201720279607 U CN 201720279607U CN 206409494 U CN206409494 U CN 206409494U
- Authority
- CN
- China
- Prior art keywords
- torque
- high strength
- bolt connection
- strength bolt
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012856 packing Methods 0.000 claims abstract description 16
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 244000138939 Ricinodendron heudelotii Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Gasket Seals (AREA)
Abstract
The utility model discloses a kind of big hexagonal high strength bolt connection pairs of M36 torque-shear types, it includes bolt, nut, packing ring, the bolt includes the hexagon-head being sequentially connected, polished rod portion, threaded portion, fracture, gear part, the hexagon-head, the polished rod portion, the threaded portion, the fracture, it is integrally formed between the gear part, the side that the polished rod portion is connected in the hexagon-head is provided with one first scrobicular ring, the first elastic component is embedded with first scrobicular ring, the side of the nut is provided with one second scrobicular ring, the second elastic component is embedded with second scrobicular ring, the bolt, the nut, the outer surface of the packing ring is coated with Zinc-nickel seeping layer.The utility model causes screw bolt and nut to have certain pretension in connection, is prevented effectively from connection and loosens.Meanwhile, Zinc-nickel seeping layer has higher antirust ability, and can reach torque coefficient requirement specified in standard.
Description
Technical field
The utility model is related to a kind of big hexagonal high strength bolt connection pairs of M36 torque-shear types.
Background technology
It is generally used for railway, bridge, boiler steel structure, industrial premises, high-rise civil building, tower mast structure, hoisting machinery
It is the big hexagonal high strength bolt connection pairs of torque-shear type Deng the bolt connection pair in some facilities higher to security requirement, in phase
In the construction reference for closing industry, the required precision to bolted fastening axle power is higher, the torque coefficient of bolt connection pair
(torque coefficient refers to the coefficient between moment of torsion and axle power in bolt rundown process) must be relatively accurate.
But it is due to the various influences such as environment, temperature, causes the presence of stress release or dynamic vibration load, is also easy to produce tight
Loosening is solidly connected, meanwhile, the surface of bolt connection pair is easily corroded, it is difficult to control its torque coefficient, it is impossible to meet construction reference
It is required that.
Utility model content
The technical problems to be solved in the utility model is to be also easy to produce connection loosening in the prior art to overcome, perishable etc.
There is provided a kind of big hexagonal high strength bolt connection pairs of M36 torque-shear types for defect.
The utility model is to solve above-mentioned technical problem by following technical proposals：
A kind of big hexagonal high strength bolt connection pairs of M36 torque-shear types, it includes bolt, nut, packing ring, and its feature exists
Include the hexagon-head being sequentially connected, polished rod portion, threaded portion, fracture, gear part in, the bolt, the hexagon-head,
It is integrally formed between the polished rod portion, the threaded portion, the fracture, the gear part, institute is connected in the hexagon-head
The side for stating polished rod portion is provided with one first scrobicular ring, is embedded with the first elastic component in first scrobicular ring, the side of the nut is set
Have and the second elastic component, the bolt, the nut, the appearance of the packing ring are embedded with one second scrobicular ring, second scrobicular ring
Face is coated with Zinc-nickel seeping layer.
It is preferred that the material of first elastic component and second elastic component is rubber.
It is preferred that the groove depth of first scrobicular ring and second scrobicular ring is 3~5mm.
It is preferred that the shape of first scrobicular ring and second scrobicular ring is in dovetail shaped.
It is preferred that the middle part of the packing ring is provided with a through hole, one end of the internal face of the through hole is provided with a chamfered section, institute
The angle of inclination for stating chamfered section is 45 degree.
It is preferred that the angle that the fracture includes between an annular V groove, the both sides internal face of the annular V groove is
60 degree, and a diameter of 28~30mm of smallest circle of the annular V groove.
It is preferred that the junction between the hexagon-head and the polished rod portion is provided with an arc sections, the arc sections
Radius is 2mm.
It is preferred that the gear quantity of the gear part is 12.
On the basis of common sense in the field is met, above-mentioned each optimum condition can be combined, produce the utility model it is each compared with
Good example.
Positive effect of the present utility model is：
The big hexagonal high strength bolt connection pairs of M36 torque-shear types of the present utility model so that screw bolt and nut connection when all
There is certain pretension, be prevented effectively from connection and loosen.Meanwhile, Zinc-nickel seeping layer has higher antirust ability, and can reach in standard
Defined torque coefficient requirement.
Brief description of the drawings
Fig. 1 is the structural representation of the big hexagonal high strength bolt connection pairs of M36 torque-shear types of the utility model preferred embodiment
Figure.
Fig. 2 is the knot of the nut of the big hexagonal high strength bolt connection pairs of M36 torque-shear types of the utility model preferred embodiment
Structure schematic diagram.
Fig. 3 is interior for the packing ring of the big hexagonal high strength bolt connection pairs of M36 torque-shear types of the utility model preferred embodiment
Portion's structural representation.
Description of reference numerals：
Bolt 1, hexagon-head 11, the first elastic component 111, arc sections 112
Polished rod portion 12, threaded portion 13, fracture 14, gear part 15
Nut 2, the second elastic component 21
Packing ring 3, through hole 31, chamfered section 32
Embodiment
Below by embodiment mode and become apparent from intactly illustrating the utility model with reference to accompanying drawing, but not therefore
The utility model is limited among described scope of embodiments.
As depicted in figs. 1 and 2, the big hexagonal high strength bolt connection pairs of M36 torque-shear types of the present utility model, it includes spiral shell
Bolt 1, nut 2, packing ring 3, bolt 1 include the hexagon-head 11 being sequentially connected, polished rod portion 12, threaded portion 13, fracture 14, tooth
Wheel portion 15, is integrally formed, hexagon-head 11 between hexagon-head 11, polished rod portion 12, threaded portion 13, fracture 14, gear part 15
The side in middle connection polished rod portion 12, which is provided with one first scrobicular ring (not shown), the first scrobicular ring, is embedded with the first elastic component 111,
Bolt 1 is enabled to produce mistake between certain pretension, i.e. bolt 1 and packing ring 3 by the first elastic component 111 when being fastenedly connected
Be full of mating connection, effectively prevent the connection loosening of bolt 1, it is to avoid because bolt 1 connect loosen and caused by loss.
The side of nut 2 can be provided with one second scrobicular ring (not shown), the second scrobicular ring and be embedded with the second elastic component
21.By the second elastic component 21 nut 2 is produced between certain pretension, i.e. nut 2 and packing ring 3 when being fastenedly connected
Interference fit connection, effectively prevent nut 2 connection loosening, it is to avoid because nut 2 connect loosen and caused by loss.
The material of first elastic component 111 and the second elastic component 21 can be rubber, cost-effective, and service life is long.
The groove depth of first scrobicular ring and the second scrobicular ring can be 3mm~5mm, be prevented effectively from the first elastic component 111 and the second elastic component 21
Produce obscission.Preferably, the shape of the first scrobicular ring and the second scrobicular ring can be dovetail shaped, the first elastic component 111 and the
Two elastic components 21 are fastened in the first scrobicular ring and the second scrobicular ring respectively.
Bolt 1, nut 2, the outer surface of packing ring 3 are coated with Zinc-nickel seeping layer.Zinc-nickel seeping layer has higher antirust ability,
The M36 torque-shear types big hexagonal high strength bolt connection pairs anti-corrosion time is substantially prolongs, and meets torque coefficient standard deviation not
Requirement more than 0.01, meanwhile, Zinc-nickel seeping layer is difficult to be destroyed.Preferably, the thickness of Zinc-nickel seeping layer is 40~60 μm.
Junction between hexagon-head 11 and polished rod portion 12 can be provided with an arc sections 112, and the radius of arc sections 112 is
Bonding strength between 2mm, the structure of strengthening stud 1.Threaded portion 13 has external screw thread, is threadedly coupled between nut 2.Fracture
Angle between 14 V grooves in a ring, the both sides internal face of annular V groove is 60 degree, and annular V groove smallest circle a diameter of 28~
30mm, the structural strength of effective strengthening stud 1, simultaneously, it is ensured that the big hexagonal high intensity of the M36 torque-shear types when being pulled off of fracture 14
Bolt connection pair can be fastenedly connected.Gear part 15 is connected to fracture 14, specific purpose tool active force in gear part 15 so that
So that fracture 14 is being pulled off.Preferably, the gear quantity of gear part 15 is 12.
As shown in figure 3, the middle part of packing ring 3 can be provided with a through hole 31, one end of through hole 31 is provided with a chamfered section 32, can
The burr that packing ring 3 is produced in processing is removed, is easy to assembling.Preferably, the angle of inclination of chamfered section 32 can be 45 degree.
Although the foregoing describing embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and protection domain of the present utility model is defined by the appended claims.Those skilled in the art
On the premise of without departing substantially from principle of the present utility model and essence, various changes or modifications can be made to these embodiments,
But these changes and modification each fall within protection domain of the present utility model.
Claims (8)
1. a kind of big hexagonal high strength bolt connection pairs of M36 torque-shear types, it includes bolt, nut, packing ring, it is characterised in that
The bolt includes the hexagon-head being sequentially connected, polished rod portion, threaded portion, fracture, gear part, the hexagon-head, institute
State and be integrally formed between polished rod portion, the threaded portion, the fracture, the gear part, connect described in the hexagon-head
The side in polished rod portion is provided with one first scrobicular ring, first scrobicular ring and is embedded with the first elastic component, and the side of the nut is provided with
The second elastic component, the bolt, the nut, the outer surface of the packing ring are embedded with one second scrobicular ring, second scrobicular ring
It is coated with Zinc-nickel seeping layer.
2. the big hexagonal high strength bolt connection pairs of M36 torque-shear types as claimed in claim 1, it is characterised in that first bullet
The material of property part and second elastic component is rubber.
3. the big hexagonal high strength bolt connection pairs of M36 torque-shear types as claimed in claim 1, it is characterised in that described first is recessed
The groove depth of ring and second scrobicular ring is 3~5mm.
4. the big hexagonal high strength bolt connection pairs of M36 torque-shear types as claimed in claim 1, it is characterised in that described first is recessed
The shape of ring and second scrobicular ring is in dovetail shaped.
5. the big hexagonal high strength bolt connection pairs of M36 torque-shear types as claimed in claim 1, it is characterised in that the packing ring
Middle part is provided with a through hole, and one end of the internal face of the through hole is provided with a chamfered section, and the angle of inclination of the chamfered section is 45 degree.
6. the big hexagonal high strength bolt connection pairs of M36 torque-shear types as claimed in claim 1, it is characterised in that the fracture
The angle included between an annular V groove, the both sides internal face of the annular V groove is 60 degree, and the smallest circle of the annular V groove
A diameter of 28~30mm.
7. the big hexagonal high strength bolt connection pairs of M36 torque-shear types as claimed in claim 1, it is characterised in that the turret head
Junction between portion and the polished rod portion is provided with an arc sections, and the radius of the arc sections is 2mm.
8. the big hexagonal high strength bolt connection pairs of M36 torque-shear types as any one of claim 1-7, it is characterised in that
The gear quantity of the gear part is 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720279607.7U CN206409494U (en) | 2017-03-21 | 2017-03-21 | The big hexagonal high strength bolt connection pairs of M36 torque-shear types |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720279607.7U CN206409494U (en) | 2017-03-21 | 2017-03-21 | The big hexagonal high strength bolt connection pairs of M36 torque-shear types |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206409494U true CN206409494U (en) | 2017-08-15 |
Family
ID=59557872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720279607.7U Expired - Fee Related CN206409494U (en) | 2017-03-21 | 2017-03-21 | The big hexagonal high strength bolt connection pairs of M36 torque-shear types |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206409494U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730315A (en) * | 2018-05-15 | 2018-11-02 | 中国铁道科学研究院铁道建筑研究所 | A kind of washer, high strength bolt connection pairs and its production technology using the washer |
| CN109139650A (en) * | 2018-10-23 | 2019-01-04 | 航天精工股份有限公司 | A kind of double dormant bolt nut assemblies |
| CN115142560A (en) * | 2021-03-31 | 2022-10-04 | 昊恒（福建）建材科技有限公司 | Connecting unit of prefabricated building |
-
2017
- 2017-03-21 CN CN201720279607.7U patent/CN206409494U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730315A (en) * | 2018-05-15 | 2018-11-02 | 中国铁道科学研究院铁道建筑研究所 | A kind of washer, high strength bolt connection pairs and its production technology using the washer |
| CN109139650A (en) * | 2018-10-23 | 2019-01-04 | 航天精工股份有限公司 | A kind of double dormant bolt nut assemblies |
| CN115142560A (en) * | 2021-03-31 | 2022-10-04 | 昊恒（福建）建材科技有限公司 | Connecting unit of prefabricated building |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170815 |