CN203979091U - Counter-force packing ring in a kind of steel structure connecting member - Google Patents
Counter-force packing ring in a kind of steel structure connecting member Download PDFInfo
- Publication number
- CN203979091U CN203979091U CN201420329227.6U CN201420329227U CN203979091U CN 203979091 U CN203979091 U CN 203979091U CN 201420329227 U CN201420329227 U CN 201420329227U CN 203979091 U CN203979091 U CN 203979091U
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- Prior art keywords
- counter
- circle
- tooth
- packing ring
- force
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- 238000012856 packing Methods 0.000 title claims abstract description 57
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 28
- 239000010959 steel Substances 0.000 title claims abstract description 28
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 210000000515 tooth Anatomy 0.000 claims description 54
- 238000010276 construction Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Abstract
The utility model discloses the counter-force packing ring in a kind of steel structure connecting member, comprise the hole passed for bolt and around the ring surface in described hole.The outer rim on described ring surface along the circumferential direction continuously and interval a plurality of screens are as one man set, these screens can with the inner peripheral surface engagement of the outside sleeve of described electric tightening device, make electric tightening device bear and tighten counter-force and tightening nut by counter-force packing ring.Counter-force packing ring in steel structure connecting member of the present utility model can be well chimeric with the outside sleeve of fastening machine, make fastening function bear and tighten counter-force and nut is tightened by counter-force packing ring, thereby the connection construction of bolt steel structure is installed, be tending towards convenient and simple and easy.
Description
Technical field
The utility model relates to the counter-force packing ring in a kind of steel structure connecting member.
Background technique
Steel structure connecting member comprises be placed in two bolt, a nut and packing rings of settling between steel structure connecting member between described screw bolt and nut.Known packing ring can increase the Area of bearing of coupled to reduce the pressure of contacting point, and can avoid the surface of coupled of fastening nut scratch.When by steelwork component connection secured to one another, be also the construction and installation of bolt steel structure connection, during construction and installation, first to first twist in advance nut, then carry out end and twist.The nut that adopts moment of torsion electric tightening device to tighten while twisting to be eventually arranged on bolt and be positioned at packing ring top, reaches structure and connects requirement.When yet existing moment of torsion electric tightening device applies enough large moment of torsion to nut, counter-force need to overcome by counter-force arm, therefore need moment of torsion electric tightening device to carry counter-force arm device, execute while twisting, counter-force arm device need to be usingd a bolt of tentatively tightening in advance of the position, side that connects node as the fulcrum that counter-force is provided, this other position bolt of not yet tightening will be subject to side direction shearing, and counter-force arm device is easily blocked.This mode of operation makes the connection construction peace of bolt steel structure loaded down with trivial details, and operation inconvenience, make project progress slow, and the weight of moment of torsion electric tightening device also cannot alleviate.In the patent application that is 201110420106.3 at application number, disclose a kind of fastening machine (seeing Fig. 5) with cartridge unit, the cartridge unit of this fastening machine comprises the inner side sleeve engaging with nut and the outside sleeve that forms with one heart and can engage with counter-force packing ring with inner side sleeve.This fastening machine bears and tightens counter-force and nut is tightened by counter-force packing ring.Because this fastening machine is to bear and tighten counter-force by counter-force packing ring, therefore do not need to carry again counter-force arm device, therefore can make the connection construction installation of bolt steel structure be tending towards convenient and simple and easy.But how making this counter-force packing ring engage with the outside sleeve of fastening machine is Professional visitors's technical issues that need to address.
Model utility content
The purpose of this utility model is to overcome the defect of prior art and the packing ring of the counter-force in a kind of steel structure connecting member is provided, it can be well chimeric with the outside sleeve of fastening machine, make fastening function bear and tighten counter-force and nut is tightened by counter-force packing ring, thereby the connection construction of bolt steel structure is installed, be tending towards convenient and simple and easy.
The purpose of this utility model is achieved in that the counter-force packing ring in a kind of steel structure connecting member, comprises the hole passed for described bolt and around the ring surface in described hole; The outer rim on described ring surface along the circumferential direction continuously and interval a plurality of screens are as one man set, these screens can with the inner peripheral surface engagement of the outside sleeve of described electric tightening device, make electric tightening device bear and tighten counter-force and tightening nut by counter-force packing ring.
Counter-force packing ring in above-mentioned steel structure connecting member, wherein, the shape of described screens is spline teeth, at the bottom of the tooth of each spline tooth, be positioned on the circle that same diameter is Ф A, the tooth top of each spline tooth is positioned on the circle that same diameter is Ф B, and Ф B-Ф A=3～5mm, the addendum width C=5～6mm of each spline tooth; The interval phase place of every two spline tooths is 30 °.
Counter-force packing ring in above-mentioned steel structure connecting member, wherein, the shape of described screens is semicircle flute profile, and the bottom land of each half slot is positioned on the circle that same diameter is Ф A, the groove top of each half slot is positioned on the circle that same diameter is Ф B, and Ф B-Ф A=3～5mm; The interval phase place of every two half slots is 45 °.
Counter-force packing ring in above-mentioned steel structure connecting member, wherein, the shape of described screens is arc toothed, at the bottom of the tooth of each circle-arc tooth, be positioned on the circle that same diameter is Ф A, the tooth top of each circle-arc tooth is positioned on the circle that same diameter is Ф B, and Ф B-Ф A=3～5mm, the radius of the tooth top circular arc of each circle-arc tooth and the radius of the low circular arc of tooth are 3～3.5mm, and the tooth top of each circle-arc tooth and the interval phase place at the bottom of tooth are 15 °; The interval phase place of every two circle-arc teeth is 30 °.
Counter-force packing ring in above-mentioned steel structure connecting member, wherein, the shape of described screens is quil shape, at the bottom of the thorn of each quil, be positioned on the circle that same diameter is Ф A, the thorn point of each quil is positioned on the circle that same diameter is Ф B, and Ф B-Ф A=3～5mm, and the center of circle of the opening edge of each quil and counter-force packing ring is 10 ° to the angle of the line of the bottom of this opening edge; The interval phase place of every two quils is 24 °.
Counter-force packing ring in steel structure connecting member of the present utility model, that the shape of ring packing ring is done to change, the outer rim that is about to packing ring is made to the outside dimension at the center of packing ring and is changed, thereby the outer rim at packing ring forms screens, utilize the screens of packing ring outer rim and the sleeve inner peripheral surface of electric tightening device chimeric well, make fastening function bear and tighten counter-force and nut is tightened by counter-force packing ring, make electric tightening device no longer need to carry counter-force arm device, thereby the weight of electric tightening device is lightened, and make the connection construction installation of bolt steel structure be tending towards convenient and simple and easy.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first counter-force packing ring of the present utility model;
Fig. 2 is the structural representation of the second counter-force packing ring of the present utility model;
Fig. 3 is the structural representation of the second counter-force packing ring of the present utility model;
Fig. 4 is the structural representation of the second counter-force packing ring of the present utility model.
Fig. 5 is the stereogram with the cartridge unit in the fastening machine of cartridge unit;
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Counter-force packing ring 10 in a kind of steel structure connecting member of the present utility model, comprise the hole 11 passed for bolt and 11 the ring surface 12 around hole, the outer rim on ring surface 12 along the circumferential direction continuously and interval a plurality of screens are as one man set, these screens can with the inner peripheral surface engagement of the outside sleeve of electric tightening device, make electric tightening device bear and tighten counter-force and tightening nut by counter-force packing ring.
Refer to Fig. 1, what this figure showed is the retaining structure that the first is located at counter-force packing ring outer rim, the shape of this screens is spline teeth, at the bottom of the tooth of each spline tooth 13, be positioned on the circle that same diameter is Ф A, the tooth top of each spline tooth 13 is positioned on the circle that same diameter is Ф B, and Ф B-Ф A=3～5mm, the addendum width C=5～6mm of each spline tooth 13; The interval phase place of every two spline tooths 13 is 30 °.
Refer to Fig. 2, what this figure showed is the retaining structure that the second is located at counter-force packing ring outer rim, the semicircle flute profile that the shape of this screens is, the bottom land of each half slot 14 is positioned on the circle that same diameter is Ф A, the groove top of each half slot is positioned on the circle that same diameter is Ф B, and Ф B-Ф A=3～5mm, the radius R=1.5～2.5mm of each half slot, the interval phase place of every two half slots 14 is 45 °.
Refer to Fig. 3, what this figure showed is the third retaining structure that is located at counter-force packing ring outer rim, the shape of this screens is arc toothed, at the bottom of the tooth of each circle-arc tooth 15, be positioned on the circle that same diameter is Ф A, the tooth top of each circle-arc tooth 15 is positioned on the circle that same diameter is Ф B, and Ф B-Ф A=3～5mm, the radius of arc R2 that the radius of arc R1 of the tooth top of each circle-arc tooth 15 and tooth are low is 3～3.5mm, and the tooth top of each circle-arc tooth 15 and the interval phase place at the bottom of tooth are 15 °; The interval phase place of every two circle-arc teeth 15 is 30 °.
Refer to Fig. 4, what this figure showed is the 4th kind of retaining structure that is located at counter-force packing ring outer rim, the shape of this screens is quil shape, at the bottom of the thorn of each quil 16, be positioned on the circle that same diameter is Ф A, the thorn point of each quil 16 is positioned on the circle that same diameter is Ф B, and Ф B-Ф A=3～5mm, and the center of circle of the opening edge of each quil 16 and counter-force packing ring is 10 ° to the angle of the line of the bottom of this opening edge; The interval phase place of every two quils 16 is 24 °.
Screens on counter-force packing ring 10 in a kind of steel structure connecting member of the present utility model can with the inner peripheral surface engagement of the outside sleeve of electric tightening device, make electric tightening device bear and tighten counter-force and tightening nut by counter-force packing ring.
The electric tightening device with cartridge unit comprises inner side sleeve 30 and outside sleeve 50 (seeing Fig. 5).The internal surface of inner side sleeve 30 has the nut card complex hole 32 engaging with nut.The top of the inner peripheral surface of outside sleeve 50 has the counter-force packing ring card complex hole 62 engaging with counter-force packing ring 10.On the counter-force packing ring card complex hole 62 of outside on sleeve 50, must have with counter-force packing ring 10 of the present utility model on the draw-in groove of screens adaptation.Inner side sleeve 30 can rotate freely with respect to outside sleeve 50.When carrying out the construction and installation of bolt steel structure connection, as long as by the axis coaxle of the axis of bolt and cartridge unit, make electric tightening device advance inner side sleeve 30 is approached to nut and counter-force packing ring, until the nut card complex hole 32 of inner side sleeve 30 engages with nut, under this state, further make electric tightening device advance, until the counter-force packing ring card complex hole 62 of outside sleeve 50 engages with counter-force packing ring 10, by making electric tightening device move, inner side sleeve 30 and outside sleeve 50 can be to mutually opposite direction rotations, twist the end that just can carry out to carrying out pre-stubborn nut set moment of torsion.
Above embodiment is only for illustration of the utility model, but not to restriction of the present utility model, person skilled in the relevant technique, in the situation that not departing from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technological schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (5)
1. the counter-force packing ring in a steel structure connecting member, comprise the hole passed for bolt and around the ring surface in described hole, it is characterized in that, the outer rim on described ring surface along the circumferential direction continuously and interval a plurality of screens are as one man set, these screens can with the inner peripheral surface engagement of the outside sleeve of electric tightening device, make electric tightening device bear and tighten counter-force and tightening nut by counter-force packing ring.
2. the counter-force packing ring in steel structure connecting member according to claim 1, it is characterized in that, the shape of described screens is spline teeth, at the bottom of the tooth of each spline tooth, be positioned on the circle that same diameter is Ф A, the tooth top of each spline tooth is positioned on the circle that same diameter is Ф B, and Ф B-Ф A=3～5mm, the addendum width C=5～6mm of each spline tooth; The interval phase place of every two spline tooths is 30 °.
3. the counter-force packing ring in steel structure connecting member according to claim 1, it is characterized in that, the shape of described screens is semicircle flute profile, the bottom land of each half slot is positioned on the circle that same diameter is Ф A, the groove top of each half slot is positioned on the circle that same diameter is Ф B, and Ф B-Ф A=3～5mm; The interval phase place of every two half slots is 45 °.
4. the counter-force packing ring in steel structure connecting member according to claim 1, it is characterized in that, the shape of described screens is arc toothed, at the bottom of the tooth of each circle-arc tooth, be positioned on the circle that same diameter is Ф A, the tooth top of each circle-arc tooth is positioned on the circle that same diameter is Ф B, and Ф B-Ф A=3～5mm, the radius of the tooth top circular arc of each circle-arc tooth and the radius of the low circular arc of tooth are 3～3.5mm, and the tooth top of each circle-arc tooth and the interval phase place at the bottom of tooth are 15 °; The interval phase place of every two circle-arc teeth is 30 °.
5. the counter-force packing ring in steel structure connecting member according to claim 1, it is characterized in that, the shape of described screens is quil shape, at the bottom of the thorn of each quil, be positioned on the circle that same diameter is Ф A, the thorn point of each quil is positioned on the circle that same diameter is Ф B, and Ф B-Ф A=3～5mm, and the center of circle of the opening edge of each quil and counter-force packing ring is 10 ° to the angle of the line of the bottom of this opening edge; The interval phase place of every two quils is 24 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329227.6U CN203979091U (en) | 2014-06-19 | 2014-06-19 | Counter-force packing ring in a kind of steel structure connecting member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329227.6U CN203979091U (en) | 2014-06-19 | 2014-06-19 | Counter-force packing ring in a kind of steel structure connecting member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203979091U true CN203979091U (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420329227.6U Expired - Lifetime CN203979091U (en) | 2014-06-19 | 2014-06-19 | Counter-force packing ring in a kind of steel structure connecting member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203979091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033470A (en) * | 2014-06-19 | 2014-09-10 | 上海高强度螺栓厂有限公司 | Counterforce washer of steel structure connector |
-
2014
- 2014-06-19 CN CN201420329227.6U patent/CN203979091U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033470A (en) * | 2014-06-19 | 2014-09-10 | 上海高强度螺栓厂有限公司 | Counterforce washer of steel structure connector |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141203 |
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| CX01 | Expiry of patent term |