CN107756311A - A kind of power of determining moment of torsion box spanner - Google Patents
A kind of power of determining moment of torsion box spanner Download PDFInfo
- Publication number
- CN107756311A CN107756311A CN201711093475.XA CN201711093475A CN107756311A CN 107756311 A CN107756311 A CN 107756311A CN 201711093475 A CN201711093475 A CN 201711093475A CN 107756311 A CN107756311 A CN 107756311A
- Authority
- CN
- China
- Prior art keywords
- counter
- force arm
- power
- inner sleeve
- pto
- 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.)
- Pending
Links
- 238000012856 packing Methods 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 36
- 238000010276 construction Methods 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 8
- 241000237858 Gastropoda Species 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
-
- 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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
Abstract
The invention provides a kind of power of determining moment of torsion box spanner, including PTO, power transmission shaft, determine counter-force arm sleeve and determine counter-force arm packing ring；It is described to determine counter-force arm sleeve and include jacket and inner sleeve；The overcoat is tubular construction, determines counter-force arm packing ring for locking and determines moment counter-force arm to produce；The inner sleeve is tubular construction, for locking simultaneously drive nut rotation；The overcoat does not rotate and rotated with inner sleeve；One end of the power transmission shaft connects the upside of the inner sleeve, and the axis of power transmission shaft overlaps with the axis of inner sleeve；The other end of the power transmission shaft connects the PTO, and PTO drives power transmission shaft to be rotated around own axes.The problems such as controllable precision that the power of the determining moment of torsion box spanner solves existing spanner is poor, bolt strained uneven.
Description
Technical field
The present invention relates to field of hand, the more particularly to a kind of power of determining moment of torsion box spanner.
Background technology
It is substantial amounts of to test and use empirical evidence：Reliability of the higher bolt pretightening to connection and the longevity by fastener
It is all beneficial to order, especially more necessary to there is the connection of seal request.But too high pretightning force, if control it is improper or
Accidentally overload, bolt fracture easily occurs, loses mechanical performance, the failure of connection can be caused.Therefore, the pretension of bolt is accurately determined
Power is extremely important.
Spanner is a kind of common tool for fastening or dismantling big sized bolt.Spanner is fastening or dismantled the mistake of standard bolt
Cheng Zhong, acted on by two power systems, first, detorsion power system, second, axial shearing force system, two power are angle in 90 °.
In afterburner process, two power systems easily cause that bolt out of plumb and lateral unbalance loading of spanner on flange face are excessive, and reduction is pulled
The controllable precision of hand, default effect is not often reached to the pretightning force of bolt, and may also result in spiral shell when lateral unbalance loading is excessive
The problems such as bolt unbalance stress.
For these reasons, according to formula：Torque M=rFsin α (r is the arm of force, and F is active force, α be active force with
The angle of the arm of force), pre-fastening moment Mt=K × P0 × d (K is constant, and d is screw thread nominal diameter, and P0 is pretightning force) is accurate to determine
The key of the effective pretightning force of bolt is that the guarantee effect power counter-force arm vertical and constant with the arm of force eliminates spanner fastener cycle
In lateral unbalance loading.
The content of the invention
It is an object of the invention to provide a kind of power of determining moment of torsion box spanner, the power of the determining moment of torsion box spanner can solve existing
There is the problems such as controllable precision of spanner is poor, bolt strained uneven.
To achieve these goals, the present invention provides following technical scheme：A kind of power of determining moment of torsion box spanner, including power
Output device, power transmission shaft, determine counter-force arm sleeve and determine counter-force arm packing ring；
The outline for determining counter-force arm packing ring is regular hexagon or other regular polygons, and described determines counter-force arm packing ring extremely
Few to be simultaneously provided with radially unidirectional tooth, the unidirectional tooth of radial direction is used for anti-fastening counter-force arm packing ring and revolved with by fastener surface is relative
Turn；
It is described to determine counter-force arm sleeve and include jacket and inner sleeve；The overcoat is tubular construction, the open lower side shape of overcoat
Outline with determining counter-force arm packing ring matches, and overcoat is used to lock to determine counter-force arm packing ring and determine moment counter-force arm to produce；It is described
Inner sleeve is tubular construction, and inner sleeve is coaxially disposed within the inside of overcoat, and inner sleeve coordinates with overcoat gap, the open lower side shape of inner sleeve
The outline of shape and hexangle type standard nut or other regular polygon nuts matches, and inner sleeve is used to lock and drive nut rotation
Turn；The overcoat does not rotate and rotated with inner sleeve；
One end of the power transmission shaft connects the upside of the inner sleeve, and the axis of power transmission shaft overlaps with the axis of inner sleeve；It is described
The other end of power transmission shaft connects the PTO, and PTO drives power transmission shaft to be rotated around own axes.
Because at least one side for determining counter-force arm packing ring is provided with radially unidirectional tooth, the radially effect of unidirectional tooth makes surely anti-
Arm of force packing ring with not rotated against by fastening object surface, the overcoat and determine counter-force arm packing ring match somebody with somebody synthesize counter-force arm branch
Point.Described to determine counter-force arm sleeve during use, the inner sleeve is coaxially revolved to nut output torque, active force with reaction force
Turn, it is described to determine counter-force arm sleeve only by the twisting resistance in torque output direction, reduce and described determine counter-force arm sleeve Moment
With the complexity of power system, avoid determining the lateral unbalance loading of counter-force arm sleeve, active force in fastener cycle is all acted on reaction force
In bolt radial alignment direction, solve existing spanner controllable precision it is poor, bolt strained uneven the problems such as.
Preferably, the thickness for determining counter-force arm packing ring is more than or equal to 1/5 with outline diameter ratio.It is described to determine counter-force arm
The plain washer of the more equal external diameter of thickness of packing ring is thicker, by the way that the thickness for determining counter-force arm packing ring is improved, beneficial to outer
Set vises locking, further increases the stability of counter-force arm fulcrum.
Preferably, the PTO is worm and gear, and the center of circle of the worm gear connects the power transmission shaft, the snail
The handle for stirring worm screw is provided with bar.The gearratio of foundation worm and gear, improve the output of the PTO
Moment of torsion, make the power of the determining moment of torsion box spanner more laborsaving compared with common wrench.
Preferably, the PTO is gear train, and the gear train includes the first gear and second being meshed
Gear, the diameter of first gear are more than the diameter of second gear；The center of circle of first gear connects the power transmission shaft, second tooth
The handle for stirring second gear is provided with wheel.According to the gearratio of gear train, the defeated of the PTO is improved
Go out moment of torsion, make the power of the determining moment of torsion box spanner more laborsaving compared with common wrench.
Preferably, the open lower side of the inner sleeve is shaped as regular hexagon or other regular polygons.But this is not limited to, institute
Various other selections, such as interior dentation or interior involute spline structure etc. can also be had by stating the open lower side shape of inner sleeve.
Preferably, the open lower side of the overcoat is shaped as interior dentation or interior involute spline structure.But this is not limited to,
The open lower side shape of the overcoat can also have various other selections, such as regular hexagon or other regular polygons etc..
Further, the power of the determining moment of torsion box spanner also includes housing, and the housing is used to coat PTO.
Housing is provided for protecting and carries worm and gear or gear train.
Preferably, the PTO is hydraulic spanner, and the jaw of the hydraulic spanner is with being driven axis connection；Or
The PTO is pneumatic impact spanner, and the main shaft of the pneumatic impact spanner is with being driven axis connection；Or the power output dress
It is set to electric wrench, main shaft and the transmission axis connection of the electric wrench.
Compared with prior art, the power of determining moment of torsion box spanner of the present invention has the advantages that：
1st, it is described during use to determine counter-force arm sleeve and only reduced by the twisting resistance in torque output direction described to determine counter-force
Arm sleeve Moment and the complexity of power system, avoid determining the lateral unbalance loading of counter-force arm sleeve, make in fastener cycle active force with
Reaction force all acts on bolt radial alignment direction, solve existing spanner controllable precision it is poor, bolt strained uneven the problems such as.
2nd, according to worm and gear or the gearratio of gear train, the output torque of the PTO is improved, is made described
It is more laborsaving compared with common wrench to determine power moment of torsion box spanner.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly introduced, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as to model
The restriction enclosed, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these
Accompanying drawing obtains other relevant drawings.
Fig. 1 show the structural representation of the present invention for determining counter-force arm sleeve.
Fig. 2 show the first structural representation of PTO of the present invention.
Fig. 3 show second of structural representation of PTO of the present invention.
Fig. 4 show the front view of the present invention for determining counter-force arm packing ring.
Fig. 5 show the upward view of the present invention for determining counter-force arm packing ring.
Label declaration in figure：
11- worm gears；12- worm screws；13- handles；14- first gears；15- second gears；20- power transmission shafts；31- overcoats；32-
Inner sleeve；42- determines counter-force arm packing ring；The unidirectional tooth of 43- radial directions.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly complete
Description.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, it is not intended to limit the present invention.Base
In embodiments of the invention, every other implementation that those skilled in the art are obtained on the premise of no creative work
Example, belongs to protection scope of the present invention.
Fig. 1 to Fig. 3 is referred to, present embodiments provides a kind of power of determining moment of torsion box spanner.The power of the determining moment of torsion sleeve barrel spanner
Hand includes PTO, power transmission shaft 20, determines counter-force arm sleeve and determine counter-force arm packing ring 42.
Referring to Fig. 4 and Fig. 5, the outline for determining counter-force arm packing ring 42 is regular hexagon or other regular polygons, and
It is described to determine at least one side of counter-force arm packing ring 42 and be provided with radially unidirectional tooth 43, the unidirectional tooth 43 of radial direction to be used for anti-fastening counter-force arm
Packing ring by fastener surface with being rotated against.In the present embodiment, the unidirectional tooth 43 of the radial direction is logical around counter-force arm packing ring 42 is determined
Hole head and the tail connect into a circle, and radially the flank of tooth of unidirectional tooth is chisel teeth, and the thickness of each radially unidirectional tooth 43 is tightened along nut
The direction of rotation is gradually reduced.
Determine counter-force arm sleeve referring to Fig. 1, described and include overcoat 31 and inner sleeve 32.The open lower side shape of the overcoat 31
Outline phase with determining counter-force arm packing ring 42, overcoat be used for lock determine counter-force arm packing ring 42 with produce determine moment counter-force arm.Make
For citing, the open lower side of the overcoat 31 is arranged to interior dentation or interior involute spline structure.The inner sleeve 32 is also tubular
Structure, inner sleeve 32 are coaxially disposed within the inside of overcoat 31, the open lower side shape of inner sleeve 32 and hexangle type standard nut or its
He matches at the outline of regular polygon nut, for locking simultaneously drive nut rotation.As an example, the downside of the inner sleeve 32
Opening shape is regular hexagon or other regular polygons.
One end of the power transmission shaft 20 can drive the upper end of inner sleeve 32 described in axis connection, the axle of power transmission shaft 20 by square
Line overlaps with the axis of inner sleeve 32.The other end of power transmission shaft 20 connects the PTO.
In use, PTO drives power transmission shaft 20 to be rotated around own axes.Power transmission shaft 20 drives inner sleeve 32 to rotate.
During inner sleeve 32 rotates, the open lower side of inner sleeve 32 vises nut and drives nut rotation；The upside opening of overcoat 31 is locked fixed anti-
Arm of force packing ring 42, counter-force arm packing ring 42 is determined due to the radially unidirectionally effect of tooth 43, determines counter-force arm packing ring 42 and by fastener surface
Do not rotate against, overcoat 31 turns into counter-force arm fulcrum with determining counter-force arm packing ring 42.Now active force and reaction force are coaxial
Rotation, it is described to determine counter-force arm sleeve only by the twisting resistance in torque output direction, reduce and described determine counter-force arm sleeve institute stress
Square and the complexity of power system, avoid moment of torsion wrench from determining the lateral unbalance loading of counter-force arm sleeve, active force in fastener cycle is made with anti-
Firmly all act on bolt radial alignment direction, solve existing spanner controllable precision it is poor, bolt strained uneven the problems such as.
It is typically relatively thin in view of the thickness of packing ring, it is in the present embodiment, described fixed anti-in order to ensure overcoat energy lock washer
The thickness of arm of force packing ring 42 is more than or equal to 1/5 with outline diameter ratio.The thickness for determining counter-force arm packing ring 42 is relatively equal outer
The plain washer in footpath is thicker, by the way that the thickness for determining counter-force arm packing ring 42 is improved, vises locking beneficial to by overcoat 31, enters one
Step improves the stability of counter-force arm fulcrum.
On the basis of the present embodiment, Fig. 2 is referred to.As the citing of the first embodiment, the power output
Device selects worm gear 11 and worm screw 12, and the center of circle of the worm gear connects the power transmission shaft 20, is provided with and is used on the worm screw 12
Stir the handle 13 of worm screw 12.By stirring the handle 13 during use, for installing nut.According to worm gear 11 and worm screw 12
Gearratio, the output torque of the PTO can be improved, the power of the determining moment of torsion box spanner is more saved compared with common wrench
Power.
On the basis of the present embodiment, Fig. 3 is referred to.As the citing of second of embodiment, the power output
Device selects gear train, and the gear train includes the first gear 14 and second gear 15 being meshed, the diameter of first gear 14
More than the diameter of second gear 15；The center of circle of first gear 14 connects the power transmission shaft 20, is provided with the second gear 15
For stirring the handle 13 of second gear 15.By stirring the handle 13 during use, for installing nut.According to gear train
Gearratio, the output torque of the PTO can be improved, the power of the determining moment of torsion box spanner is more saved compared with common wrench
Power.
On the basis of above-mentioned first and second embodiment, power moment of torsion box spanner is determined described in the present embodiment also to be included
Housing, the housing are used to protecting and carrying worm gear 11 and worm screw 12 or gear train.
On the basis of the present embodiment, the PTO is except that can select worm gear 11 and worm screw 12 or gear
Beyond group, the PTO of active (gas, power supply) can also be selected.Such as hydraulic spanner, pneumatic impact spanner, electric wrench
Deng.During from hydraulic spanner, the jaw of the hydraulic spanner is connected with power transmission shaft 20；It is described pneumatically to pull during from pneumatic impact spanner
The main shaft of hand is connected with power transmission shaft 20；During from electric wrench, the main shaft of the electric wrench is connected with power transmission shaft 20.
In addition, on the basis of the present embodiment, the PTO still can select torque wrench.From moment of torsion
During spanner, the output shaft of the torque wrench is connected with power transmission shaft 20.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art, the invention discloses technical scope in, change or replacement can be readily occurred in, all should
Cover within the scope of the present invention.
Claims (8)
- A kind of 1. power of determining moment of torsion box spanner, it is characterised in that including PTO, power transmission shaft, determine counter-force arm sleeve and Determine counter-force arm packing ring；The outline for determining counter-force arm packing ring is regular hexagon or other regular polygons, and described determines counter-force arm packing ring at least one Face is provided with radially unidirectional tooth, and the unidirectional tooth of radial direction is used for anti-fastening counter-force arm packing ring with being rotated against by fastener surface；It is described to determine counter-force arm sleeve and include jacket and inner sleeve；The overcoat is tubular construction, and the open lower side shape of overcoat is with determining The outline of counter-force arm packing ring matches, and overcoat is used to lock to determine counter-force arm packing ring and determine moment counter-force arm to produce；The inner sleeve For tubular construction, inner sleeve is coaxially disposed within the inside of overcoat, and inner sleeve coordinates with overcoat gap, the open lower side shape of inner sleeve with The outline of hexangle type standard nut or other regular polygon nuts matches, and inner sleeve is used to lock and drive nut rotation；Institute Overcoat is stated not rotate and rotate with inner sleeve；One end of the power transmission shaft connects the upside of the inner sleeve, and the axis of power transmission shaft overlaps with the axis of inner sleeve；The transmission The other end of axle connects the PTO, and PTO drives power transmission shaft to be rotated around own axes.
- 2. determine power moment of torsion box spanner according to claim 1, it is characterised in that the thickness for determining counter-force arm packing ring with it is outer The ratio between outline diameter is more than or equal to 1/5.
- 3. power moment of torsion box spanner is determined according to claim 1, it is characterised in that the PTO is worm gear snail Bar, the center of circle of the worm gear connect the power transmission shaft, the handle for stirring worm screw are provided with the worm screw.
- 4. power moment of torsion box spanner is determined according to claim 1, it is characterised in that the PTO is gear train, The gear train includes the first gear and second gear being meshed, and the diameter of first gear is more than the diameter of second gear；The The center of circle of one gear connects the power transmission shaft, and the handle for stirring second gear is provided with the second gear.
- 5. according to the power of the determining moment of torsion box spanner of claim 3 or 4, it is characterised in that the open lower side shape of the inner sleeve For regular hexagon or other regular polygons.
- 6. according to the power of the determining moment of torsion box spanner of claim 3 or 4, it is characterised in that the open lower side shape of the overcoat For interior dentation or interior involute spline structure.
- 7. according to the power of the determining moment of torsion box spanner of claim 3 or 4, it is characterised in that the power of the determining moment of torsion box spanner is also Including housing, the housing is used to coat PTO.
- 8. power moment of torsion box spanner is determined according to claim 1, it is characterised in that the PTO is pulled for hydraulic pressure Hand, jaw and the transmission axis connection of the hydraulic spanner；Or the PTO is pneumatic impact spanner, the pneumatic impact spanner Main shaft with transmission axis connection；Or the PTO is electric wrench, the main shaft and power transmission shaft of the electric wrench Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711093475.XA CN107756311A (en) | 2017-11-08 | 2017-11-08 | A kind of power of determining moment of torsion box spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711093475.XA CN107756311A (en) | 2017-11-08 | 2017-11-08 | A kind of power of determining moment of torsion box spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107756311A true CN107756311A (en) | 2018-03-06 |
Family
ID=61273281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711093475.XA Pending CN107756311A (en) | 2017-11-08 | 2017-11-08 | A kind of power of determining moment of torsion box spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107756311A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029962A (en) * | 2018-08-30 | 2018-12-18 | 周子翘 | Determine the pilot system of fastening arrangement and method for construction |
| CN109531126A (en) * | 2018-12-14 | 2019-03-29 | 中国航空工业集团公司西安航空计算技术研究所 | It can determine the front locking device of torque operation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101342689A (en) * | 2007-06-01 | 2009-01-14 | 约翰·K·琼克斯 | A fluid operated torque tool for and a method of tightening a nut on a plate on railroad crossings |
| US20120125163A1 (en) * | 2010-11-22 | 2012-05-24 | Unytite Corporation | Fastening Sockets, Washers and Fasteners Used with the Washers and the Fastening Sockets |
| CN105269504A (en) * | 2015-11-26 | 2016-01-27 | 申益 | Coaxial mounting method for acting force arm and counter-acting force arm of fastener |
| CN105269503A (en) * | 2015-11-26 | 2016-01-27 | 申益 | Concentric shaft counter-force arm hydraulic torque wrench |
| US20170021478A1 (en) * | 2013-12-17 | 2017-01-26 | HYTORC Division Unex Corporation | Apparatus for tightening threaded fasteners |
| CN106895064A (en) * | 2017-04-25 | 2017-06-27 | 辽宁凯迪机械设备制造有限公司 | A kind of sems retaining fixes the constant attachment structure of lashing force |
| CN207448340U (en) * | 2017-11-08 | 2018-06-05 | 周子翘 | A kind of power of determining torque box spanner |
-
2017
- 2017-11-08 CN CN201711093475.XA patent/CN107756311A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101342689A (en) * | 2007-06-01 | 2009-01-14 | 约翰·K·琼克斯 | A fluid operated torque tool for and a method of tightening a nut on a plate on railroad crossings |
| US20120125163A1 (en) * | 2010-11-22 | 2012-05-24 | Unytite Corporation | Fastening Sockets, Washers and Fasteners Used with the Washers and the Fastening Sockets |
| US20170021478A1 (en) * | 2013-12-17 | 2017-01-26 | HYTORC Division Unex Corporation | Apparatus for tightening threaded fasteners |
| CN105269504A (en) * | 2015-11-26 | 2016-01-27 | 申益 | Coaxial mounting method for acting force arm and counter-acting force arm of fastener |
| CN105269503A (en) * | 2015-11-26 | 2016-01-27 | 申益 | Concentric shaft counter-force arm hydraulic torque wrench |
| CN106895064A (en) * | 2017-04-25 | 2017-06-27 | 辽宁凯迪机械设备制造有限公司 | A kind of sems retaining fixes the constant attachment structure of lashing force |
| CN207448340U (en) * | 2017-11-08 | 2018-06-05 | 周子翘 | A kind of power of determining torque box spanner |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029962A (en) * | 2018-08-30 | 2018-12-18 | 周子翘 | Determine the pilot system of fastening arrangement and method for construction |
| CN109531126A (en) * | 2018-12-14 | 2019-03-29 | 中国航空工业集团公司西安航空计算技术研究所 | It can determine the front locking device of torque operation |
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