CN205184635U - Coaxial reaction force moment of torsion wrench drive elongator - Google Patents
Coaxial reaction force moment of torsion wrench drive elongator Download PDFInfo
- Publication number
- CN205184635U CN205184635U CN201520954334.2U CN201520954334U CN205184635U CN 205184635 U CN205184635 U CN 205184635U CN 201520954334 U CN201520954334 U CN 201520954334U CN 205184635 U CN205184635 U CN 205184635U
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- CN
- China
- Prior art keywords
- overcoat
- torque wrench
- snap close
- adapter sleeve
- opening
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- 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.)
- Withdrawn - After Issue
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model creatively discloses a coaxial reaction force moment of torsion wrench drive elongator, including overcoat, endotheca and adapter sleeve, the overcoat is the cartridge type structure, and the downside opening of overcoat is interior polygon or interior knuckle -tooth shape structure, and the upside opening of overcoat is interior cusp or the internal key spline struvture that bursts at the seams, the endotheca is the hollow circular cylinder structure, and the cross section of the hollow circular cylinder hole on top is the quadrangle, the cross section of the hollow circular cylinder hole of part is hexagon or dodecagon down, endotheca outer wall and the smooth inner wall clearance fit of overcoat, the lower extreme opening of adapter sleeve is equipped with outer cusp or the external key spline struvture that bursts at the seams, and with the installation of overcoat upside opening clearance fit, the upper end opening of adapter sleeve is equipped with internal tooth or the internal key spline that bursts at the seams. Reducing moment of torsion wrench drive elongator and receiving system of forces complexity, reach moment of torsion wrench drive elongator side direction unbalance loading and be zero purpose, avoided the deformation fracture of elongator, make its life extension, the effort is swift with reaction force drive simple to operate in addition.
Description
Technical field
The invention relates to torque wrench and drives stretcher field, is specifically related to a kind of coaxial reaction torque wrench and drives stretcher.
Background technology
Torque wrench is a kind of common tool of fastening or dismounting large gauge bolt.Such as conventional machinery torque wrench, comprises cover head bore and arm bar.Conventional hydraulic torque wrench, comprises hydraulic torque wrench body, pullover, the reaction arm of force etc.This spanner is subject to the effect of two power systems in the process of fastening or demounting bolt, and one is detorsion power system, and two is axial shearing force systems, and two power are angle in 90 °.In afterburner process, two power systems easily cause bolt side direction unbalance loading of out of plumb and spanner on flange face excessive, reduce the controllable precision of spanner, default effect is not often reached to the pretightning force of bolt, and bolt when side direction unbalance loading is excessive, also may be caused to carry problems such as closing unbalance stress.This not only causes in high temperature, high pressure, ultralow temperature pretightning force poor effect, easily the problem such as to leak, especially just even more serious in chemical industry, also causes bolt shortening in service life, causes the problems such as cost waste.
Summary of the invention
For prior art Problems existing, the invention provides a kind of coaxial reaction torque wrench to drive stretcher, this driving stretcher is by the cooperation of overcoat, inner sleeve and connection, Moment and power system can be simplified, reach that active force and reaction force side direction unbalance loading are zero, dependable performance, the object increased the service life.
The technical scheme that the invention adopts is:
A kind of coaxial reaction torque wrench drives stretcher, for torque wrench with the use of, comprise overcoat, inner sleeve and adapter sleeve;
Described overcoat is cylindrical structure, has smooth inner wall, and the open lower side of overcoat is inner polygon opening or inner circle profile of tooth opening, and the upper side opening of overcoat is provided with interior dentation or internal key and bursts at the seams spline structure;
Be placed on jacket internal in described, inner sleeve is that hollow circuit cylinder body structure has smooth outer wall, with overcoat matched in clearance; Described inner sleeve is divided into upper and lower two parts, and the cross section of the hollow circular cylinder endoporus of upper part is polygon, for being connected with the output shaft of torque wrench; The cross section of the hollow circular cylinder endoporus of lower part is hexagon or dodecagon, matches for driving standard nut with the outline of standard nut;
The lower ending opening of described adapter sleeve is provided with the outer dentation that matches with side opening on overcoat or external key and bursts at the seams spline structure, the lower end of adapter sleeve coordinates with the upper gap of overcoat, the upper end open of adapter sleeve is provided with internal tooth or internal key and bursts at the seams spline, for bursting at the seams spline tooth engagement with the external tooth on torque wrench housing or external key.
The coaxial reaction torque wrench of described one drives stretcher, and the outside of described inner sleeve upper part hollow circular cylinder is provided with a circle groove, and groove is provided with pin hole, and place O type circle in groove, torque wrench output shaft is provided with the through hole corresponding with pin hole; Inner sleeve and torque wrench output shaft, by acting on pin hole and through hole, connect as one by pin, then are come off by O type circle restriction pin.
The coaxial reaction torque wrench of described one drives stretcher, and described adapter sleeve is hollow cone mesa-shaped structure, and internal diameter reduces successively from the bottom to top.
The coaxial reaction torque wrench of described one drives stretcher, the lower end of described overcoat is also provided with latching device, described latching device comprise be positioned at jacket internal connection snap close, be positioned at connect snap close left end and with its hinged left snap close, be positioned at and be connected snap close right-hand member and the right snap close hinged with it and snap close handle; The lower end of described overcoat has a long through-hole, and one end of described snap close handle extends to jacket internal by long through-hole and is connected with the left part of left snap close, and the other end of described snap close handle extends to jacket internal by long through-hole and is connected with the right part of right snap close.
The coaxial reaction torque wrench of described one drives stretcher, and the cross section of described overcoat lower ending opening is interior hexagon, interior dodecagon or circle tooth-shape structure.
The invention has following beneficial effect:
A kind of coaxial reaction torque wrench of the invention drives stretcher, for with torque wrench with the use of, active force is connected with reaction force coaxial package, this driving stretcher is made to apply in the process of torsion to bolt, active force and reaction force coaxial rotating, it drives stretcher to be only subject to the twisting resistance in torque output shaft direction, reduce the complexity of this stretcher Moment and power system, avoid the side direction unbalance loading of torque plate hand-drive stretcher, can obtain torque plate hand-drive stretcher side direction unbalance loading is zero, 360 ° of coaxial active forces and reaction force and the arm of force export, ensure torque precision 1.5%, stretcher is avoided to be out of shape fracture, the service life of effective prolongation stretcher, have to install simultaneously and locate the advantages such as convenient.
This coaxial reaction torque wrench draws and drives the jacket and inner sleeve of stretching device to form entirety, between the two a matched in clearance, can reach 360 ° of concentric reaction forces from being input to output, error is the object of zero.Inner sleeve one end is provided with hexagonal or polygon endoporus, is used for driving standard nut.It is active force moment of torsion input use that the other end is provided with quadrangle endoporus.Be provided with smooth inner bore in overcoat, driver inner sleeve be sleeved in driver overcoat and be slidably matched, make active force and reaction force coaxial rotating, mutually offset, distortionless power, without side direction unbalance loading.
This coaxial reaction torque wrench drives the overcoat of stretcher built with latching device, for locking retaining stretching packing ring or the same shaft filler washer of self-reaction force, for upper space constrained environment, reversal of the natural order of things Method for Installation can be adopted to drive stud, retaining stretching packing ring, self-reaction force with shaft filler washer and standard nut, and duration of work does not need the instrument that grasps and people is hand steered, human users's security significantly promotes.
Accompanying drawing explanation
Fig. 1 is the unitary construction schematic diagram that a kind of coaxial reaction torque wrench of the invention drives stretcher.
Fig. 2 a is that a kind of coaxial reaction torque wrench of the invention drives stretcher adapter sleeve schematic diagram.
Fig. 2 b is that a kind of coaxial reaction torque wrench of the invention drives stretcher adapter sleeve sectional view.
Fig. 3 is that a kind of coaxial reaction torque wrench of the invention drives stretcher overcoat schematic diagram.
Fig. 4 is the open lower side of overcoat shown in Fig. 3 is the schematic diagram of polygonized structure.
The open lower side that Fig. 5 is overcoat shown in Fig. 3 is the schematic diagram of circle tooth-shape structure.
Fig. 6 is that a kind of coaxial reaction torque wrench of the invention drives stretcher inner sleeve schematic diagram.
Fig. 7 is the pass structure schematic diagram of inner sleeve shown in Fig. 6.
Fig. 8 is the schematic diagram that a kind of coaxial reaction torque wrench of the invention drives stretcher latching device.
Fig. 9 is that a kind of coaxial reaction torque wrench of the invention drives latching device schematic diagram when locking in stretcher.
Figure 10 is that a kind of coaxial reaction torque wrench of the invention drives stretcher actual installation schematic diagram.
Figure 11 is that a kind of coaxial reaction torque wrench of the invention drives stretcher to adopt reversal of the natural order of things scheme of installation.
Wherein: 1-adapter sleeve, 101-internal key bursts at the seams spline, and 102-external key bursts at the seams spline structure; 2-overcoat, 201-inner polygon opening, 201.1-inner circle profile of tooth opening, 202-internal key bursts at the seams spline structure, 203-long through-hole, 204-smooth inner wall; 3-inner sleeve, 301-hexagonal inner hole, 302-quadrangle endoporus, 303-pin hole, 304-groove; 4-pin, 5-0 shape circle, 6-latching device, the left snap close of 7-, 8-connection snap close, 9-are hinged, the right snap close of 10-, 11-snap close handle, 12-snap close ring.
Detailed description of the invention
A kind of coaxial reaction torque wrench drives stretcher as shown in figs. 1-11, for torque wrench with the use of, comprise overcoat 2, inner sleeve 3 and adapter sleeve 1.Overcoat 2 is cylindrical structure as in Figure 3-5, the open lower side of overcoat 2 is inner polygon opening 201 or inner circle profile of tooth opening 201.1, the upper side opening of overcoat 2 is provided with interior dentation or internal key and bursts at the seams spline structure 202, and the inwall in overcoat 2 between upper and lower opening is smooth inner wall 204; The open lower side of this overcoat 2 can be designed to hexagon or dodecagon.The lower end of overcoat 2 is also provided with latching device 6, as seen in figs. 8-10 this latching device 6 comprise be positioned at overcoat 2 inside connection snap close 8, be positioned at connect snap close 8 left end and with its left snap close 7 of hinged 9, be positioned at and be connected snap close 8 right-hand member and the right snap close 10 of hinged with it 9 and snap close handle 11; The lower end of described overcoat 2 has a long through-hole 203 as bonnet lock hole, described snap close handle 11 has shank and snap close ring 12, snap close ring 12 is connected with handle mate, one end of snap close ring 12 is connected with the right part of right snap close 10 by long through-hole 203, and one end of shank extends to overcoat 2 inside by long through-hole 203 and is connected with the left part of left snap close 7.As shown in Figure 8, for the normal condition schematic diagram of this latching device 6, be illustrated in figure 9 the schematic diagram of this latching device 6 locking state, stretching packing ring is acted on by this latching device 6, ensure that this coaxial reaction torque wrench drive stretcher as shown in Figure 10 normal mounting time stability, fastness be convenient to location is installed, simultaneously this retaining mechanism 6 also make this coaxial reaction torque wrench drive stretcher adopt as shown in figure 11 below reversal of the natural order of things method install, do not need the instrument that grasps and people is hand steered, human users's security significantly promotes.
Inner sleeve 3 is hollow circuit cylinder body structure as shown in fig. 6-7, is divided into upper and lower two parts, and the hollow circular cylinder of upper part has quadrangle endoporus 302, and namely the cross section of the hollow circular cylinder endoporus of part is quadrangle, for being connected with the output shaft of torque wrench; The hollow circular cylinder of lower part has hexagonal inner hole 301, and namely the cross section of the hollow circular cylinder endoporus of lower part is hexagon, and preferably the cross section of the hollow circular cylinder endoporus of lower part is dodecagon, for driving standard nut; Described inner sleeve 3 has smooth outer wall; It is inner that inner sleeve 3 is placed in overcoat 2, inner sleeve 3 outer wall and overcoat 2 smooth inner wall 204 matched in clearance; The outside of inner sleeve 2 upper part hollow circular cylinder is provided with a circle groove 304, and groove 304 is provided with pin hole 303, and place O shape circle 5 in groove 304, torque wrench output shaft is provided with the through hole corresponding with pin hole 303; Inner sleeve 3 and torque wrench output shaft connect as one by acting on pin hole 303 and through hole by pin 4, then limit pin 4 by O type circle 5 and come off.
The lower ending opening of adapter sleeve 1 is provided with outer dentation or external key and bursts at the seams spline structure 102 as shown in figures 2 a and 2b, adapter sleeve 1 is arranged on overcoat 2 by coordinating with side opening on overcoat 2 by this outer dentation or the external key spline structure 102 that bursts at the seams, when side opening on overcoat is interior dentalation, outer dentalation is established in the lower end of adapter sleeve 1, adapter sleeve 1 by outer dentalation with on the upside of overcoat 2 in dentation structure interval coordinate and be arranged on overcoat 2; When side opening on overcoat 2 be internal key burst at the seams spline structure 202 time, the lower end of adapter sleeve 1 establishes external key to burst at the seams spline structure 102, and adapter sleeve 1 is arranged on overcoat 2 by external key spline structure 102 and the internal key on the upside of overcoat 2 spline structure 202 matched in clearance that bursts at the seams that bursts at the seams.The upper end open of adapter sleeve 1 is provided with internal tooth or internal key and bursts at the seams spline 101 for bursting at the seams spline engagement with the external tooth on torque wrench housing or external key.Adapter sleeve 1 is hollow cone mesa-shaped structure, and internal diameter reduces successively from the bottom to top.The opening of adapter sleeve 1 upper end and the output shaft of torque wrench match, and the closed-entry design of this adapter sleeve 1 makes this coaxial reaction torque spanner drive stretcher to go for adding with the output shaft of any diameter the range of application of this stretcher.
Claims (5)
1. coaxial reaction torque wrench drives a stretcher, for torque wrench with the use of, it is characterized in that, comprise overcoat, inner sleeve and adapter sleeve;
Described overcoat is cylindrical structure, has smooth inner wall, and the open lower side of overcoat is inner polygon opening or inner circle profile of tooth opening, and the upper side opening of overcoat is provided with interior dentation or internal key and bursts at the seams spline structure;
Be placed on jacket internal in described, inner sleeve is that hollow circuit cylinder body structure has smooth outer wall, with overcoat matched in clearance; Described inner sleeve is divided into upper and lower two parts, and the cross section of the hollow circular cylinder endoporus of upper part is polygon, for being connected with the output shaft of torque wrench; The cross section of the hollow circular cylinder endoporus of lower part is hexagon or dodecagon, matches for driving standard nut with the outline of standard nut;
The lower ending opening of described adapter sleeve is provided with the outer dentation that matches with side opening on overcoat or external key and bursts at the seams spline structure, the lower end of adapter sleeve coordinates with the upper gap of overcoat, the upper end open of adapter sleeve is provided with internal tooth or internal key and bursts at the seams spline, for bursting at the seams spline tooth engagement with the external tooth on torque wrench housing or external key.
2. a kind of coaxial reaction torque wrench drives stretcher according to claim 1, it is characterized in that, the outside of described inner sleeve upper part hollow circular cylinder is provided with a circle groove, groove is provided with pin hole, place O type circle in groove, torque wrench output shaft is provided with the through hole corresponding with pin hole; Inner sleeve and torque wrench output shaft, by acting on pin hole and through hole, connect as one by pin, then are come off by O type circle restriction pin.
3. a kind of coaxial reaction torque wrench drives stretcher according to claim 1, and it is characterized in that, described adapter sleeve is hollow cone mesa-shaped structure, and internal diameter reduces successively from the bottom to top.
4. a kind of coaxial reaction torque wrench drives stretcher according to claim 1, it is characterized in that, the lower end of described overcoat is also provided with latching device, described latching device comprise be positioned at jacket internal connection snap close, be positioned at connect snap close left end and with its hinged left snap close, be positioned at and be connected snap close right-hand member and the right snap close hinged with it and snap close handle; The lower end of described overcoat has a long through-hole, and one end of described snap close handle extends to jacket internal by long through-hole and is connected with the left part of left snap close, and the other end of described snap close handle extends to jacket internal by long through-hole and is connected with the right part of right snap close.
5. a kind of coaxial reaction torque wrench drives stretcher according to claim 1, it is characterized in that, the cross section of described overcoat lower ending opening is interior hexagon, interior dodecagon or circle tooth-shape structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520954334.2U CN205184635U (en) | 2015-11-26 | 2015-11-26 | Coaxial reaction force moment of torsion wrench drive elongator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520954334.2U CN205184635U (en) | 2015-11-26 | 2015-11-26 | Coaxial reaction force moment of torsion wrench drive elongator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205184635U true CN205184635U (en) | 2016-04-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520954334.2U Withdrawn - After Issue CN205184635U (en) | 2015-11-26 | 2015-11-26 | Coaxial reaction force moment of torsion wrench drive elongator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205184635U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269507A (en) * | 2015-11-26 | 2016-01-27 | 申益 | Coaxial counter-acting force torque wrench drive tensioner |
-
2015
- 2015-11-26 CN CN201520954334.2U patent/CN205184635U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269507A (en) * | 2015-11-26 | 2016-01-27 | 申益 | Coaxial counter-acting force torque wrench drive tensioner |
| CN105269507B (en) * | 2015-11-26 | 2017-03-22 | 申益 | Coaxial counter-acting force torque wrench drive tensioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160427 Effective date of abandoning: 20170322 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |