CN203422186U - Bolt torque detection apparatus - Google Patents
Bolt torque detection apparatus Download PDFInfo
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- CN203422186U CN203422186U CN201320451397.7U CN201320451397U CN203422186U CN 203422186 U CN203422186 U CN 203422186U CN 201320451397 U CN201320451397 U CN 201320451397U CN 203422186 U CN203422186 U CN 203422186U
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- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical class [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 2
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- 239000012467 final product Substances 0.000 description 1
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Abstract
Provided is a bolt torque detection apparatus. The bolt torque detection apparatus is characterized in that a tooth bar vertically slides on a tooth bar seat up and down; a gear is supported by a gear seat and rotates around a horizontal line; the gear is coaxially connected with a rotation sleeve; a tensile testing machine is in transmission connection with the tooth bar to drive the tooth bar to slide; a head chuck is placed in a head supporting seat hole, and the rotation of the head chuck around the horizontal line relative to a head supporting seat is restricted; the rotation of a bolt head around the horizontal line relative to the head chuck is restricted; the rotation of a nut chuck around the horizontal line relative to the rotation sleeve and the translation along the horizontal line are restricted; the rotation of a nut around the horizontal line relative to the nut chuck is restricted; the nut and a bolt head matching hole are consistent in terms of height; a head supporting seat is provided with a back cap hole; and the end portion of a back cap extends into the head supporting seat hole to abut against the head chuck and the bolt head of a bolt in the head chuck so as to restrict the motion of the bolt head towards the left along the horizontal line and the rotation of the bolt head around the horizontal line. By adopting the scheme, the bolt torque detection apparatus has the advantages of high practicality, accuracy, directness, quickness, low cost and low price at the same time.
Description
Technical field
The utility model relates to a kind of torque detecting apparatus, is specially a kind of bolt torque pick-up unit.
Background technology
Bolt, referring to Fig. 6, generally has hexagonal bolt head 34, and the cylindrical or square bar shape screw rod 35 being connected with bolt head 34, and the part away from bolt head 34 on screw rod 35 also has thread segment 36.Bolt is widely used in building, mechanical engineering, railway, boats and ships, wind-power electricity generation, air transportation etc. industry.Moment of torsion is the important test item of bolt.Moment of torsion detection for bolt class part is mainly to adopt torque force testing instrument (also to claim torque spanner at present, can apply torsion, can demonstrate torque value for monitoring) simultaneously, by manual type, the bolt head of tested bolt to be fixed on bench vice, the screw rod end torque spanner application of force, make screw rod produce the torsion around screw axis certain angle with respect to fixing bolt head, according to the torque value showing on torque spanner, obtain needed moment of torsion.In addition, also having a kind of mode of surveying bolt torque is that the bolt head of tested bolt is fixed on the fixed chuck of Test of Friction machine, screw rod end is arranged on the rotary chuck of Test of Friction machine, make bolt produce the torsion around screw axis certain angle with respect to fixing bolt head, according to the demonstration torque value of Test of Friction machine, obtain needed moment of torsion.The feature that front a kind of mode has simply, quick, expense is few, but there is the shortcomings such as error is large, torsion acceleration difficulty is controlled, labour intensity is large.Although rear a kind of mode is measured accurately, data are complete, intuitively credible, Test of Friction machine price is extremely expensive, and function singleness, and to survey friction factor and moment of torsion when bolt rotates, input-output ratio is little only.
Utility model content
The utility model provides a kind of bolt torque pick-up unit, and practical, accurate, directly perceived, quick, expense is few simultaneously, and price is low.
For achieving the above object, the technical solution adopted in the utility model is: a kind of bolt torque pick-up unit, comprise support, on described support, be installed with head supporting seat, pinion stand and tooth bar seat, described pick-up unit also comprises head chuck, nut chuck, turning set, nut, tension tester, gear, tooth bar and back of the body cap;
Described tooth bar edge on tooth bar seat vertically slides up and down, gear rotates the coaxial connection of rotating cover of gear, gear and tooth bar engagement through pinion stand supporting around horizontal line, tension tester is in transmission connection tooth bar to drive tooth bar to slide, and driven gear and turning set rotation;
On described head supporting seat, offer the head supporting seat hole and the head chuck that are connected and compress screw hole, described head chuck is inserted in head supporting seat hole, head chuck compresses in screw hole after rigging screw, this screw end stretches in head supporting seat hole against head chuck, and restriction head chuck rotates around horizontal relative to head supporting seat; On described head chuck, offer bolt head coupling hole, bolt shaft to be measured is to level, and its bolt head is inserted in bolt head coupling hole, and the shape of mating hole via bolt head with bolt head limits, and bolt head is restricted around horizontal rotation relative to head chuck;
On described turning set, offer the rotation grooving and the nut chuck that are connected and compress screw hole, nut chuck is inserted and is rotated in grooving, nut chuck compresses in screw hole after rigging screw, this screw end stretches into rotates in grooving against nut chuck, and restriction nut chuck relatively rotates cover around horizontal rotation with along horizontal translation; On nut chuck, offer nut collet bore, in nut embedding nut collet bore and relatively, nut collet bore is along horizontal line sliding contact, and via the shape restriction of nut and nut collet bore, nut is restricted around horizontal rotation relative to nut chuck; Nut and bolt head coupling hole height is consistent, so that the thread segment of bolt to be measured stretches in nut, and nut and thread segment threaded engagement;
On described head supporting seat, offer cap opening, this cap opening is communicated with head supporting seat hole, described back of the body cap is fixed on head supporting seat through cap opening, the end of back of the body cap is stretched in head supporting seat hole, against the bolt head of bolt in head chuck and head chuck, restriction bolt head is moved to the left and around horizontal rotation along horizontal.
Related content in technique scheme is explained as follows:
1,, in such scheme, described " left and right " is to determine with respect to the angle of Figure of description and Figure of abstract.
2, in such scheme, described head chuck has a head chuck plane, or offer head chuck stopper slot, head chuck compresses in screw hole after rigging screw, this screw end is pressed in head chuck plane, or insert in head chuck stopper slot, to limit head chuck, relative to head supporting seat, around horizontal, rotate.
3, in such scheme, described nut chuck is hollow cylindrical structure, this cylinder axis is to level, rotate the cylindrical groove of grooving for matching with nut chuck, on nut chuck, perpendicular to cylindrical center's axis direction, offer nut chuck locating slot, the screw end of assembling in screw hole that compresses nut chuck stretches in nut chuck locating slot, to limit nut chuck, relatively rotates cover around horizontal rotation with along horizontal translation.
4, in such scheme, described back of the body cap is provided with external thread, and the cap opening on described head supporting seat is internal thread hole, and back of the body cap coordinates in precession cap opening through thread connection, so that back of the body cap is fixed on head supporting seat.
5, in such scheme, on described head supporting seat, offer screw elongated slot is installed, this screw install elongated slot flute length along level to, screw is installed rigging screw in elongated slot, in order to be fixed on support head supporting seat is dismountable, unloads screw the screw in elongated slot is installed, change after the horizontal range of head supporting seat with respect to turning set, again screw is arranged on to screw the diverse location in elongated slot is installed, head supporting seat is fixed, can adapt to the detection to the bolt of different length specification.
6,, in such scheme, described tension tester is electro-hydraulic servo tension tester.
7, in such scheme, described tension tester is provided with slide block, on this slide block, connects pressure head, and this pressure head contacts with tooth bar, to drive tooth bar to slide.
8, in such scheme, on described turning set, offer the turning set through hole being communicated with nut collet bore, the axial level of turning set through hole, bolt thread section in the corresponding nut collet bore in aperture, the bolt head of the corresponding bolt in described cap opening aperture, cap opening size is greater than the size of bolt head, unscrew head chuck and compress the screw in screw hole, unscrew nut chuck and compress the screw in screw hole, use push rod to stretch into Level Promoting bolt in turning set through hole, thread segment and the nut on thread segment of bolt are pushed out from nut collet bore, from thread segment rotation, take off nut, and bolt head also leaves bolt head coupling hole and cap opening, continue to promote bolt, bolt is released from cap opening, complete discharging, in installing, during bolt, the thread segment of bolt is pushed from cap opening, after being pushed into thread segment and stretching out from bolt head coupling hole, on thread segment, screw on nut, continue to promote, thread segment enters in nut chuck together with nut, now the bolt head of bolt enters in bolt head coupling hole, completes charging.
9,, in such scheme, described pick-up unit also comprises bar portion supporting seat and bar portion briquetting, described bar portion briquetting comprises the upper holder block of strip and the lower lock block of strip, on upper holder block, offer upper holder block groove, on lower lock block, offer lower lock block groove, after upper holder block and lower lock block are involutory, the screw rod of the corresponding fishbolt of upper holder block groove and lower lock block groove, bar portion briquetting left end is inserted in head supporting seat hole, on head supporting seat, also offer the bar portion briquetting left end being communicated with head supporting seat hole and compress screw hole, bar portion briquetting left end compresses in screw hole after rigging screw, this screw end stretches in head supporting seat hole, left end against bar portion briquetting, with limit rod portion briquetting left end, relative to head supporting seat, around horizontal, rotate, on described bar portion supporting seat, offer the bar portion supporting seat hole and the bar portion briquetting right-hand member that are connected and compress screw hole, bar portion briquetting right-hand member is inserted in bar portion supporting seat hole, bar portion briquetting right-hand member compresses rigging screw in screw hole, this screw end stretches in bar portion supporting seat hole, against the right-hand member of bar portion briquetting, limit rod portion briquetting right-hand member rotates around horizontal relative to bar portion supporting seat, bar portion briquetting level is less than bolt length to length, so that after the thread segment of bolt stretches out from bar portion briquetting, then stretch in nut.
Further, on described turning set, offer the turning set through hole being communicated with nut collet bore, the axial level of turning set through hole, the bolt thread section in the corresponding nut collet bore in aperture, the bolt head of the corresponding bolt in described cap opening aperture, cap opening size is greater than the size of bolt head, the level interval of bar portion supporting seat and nut chuck is greater than the thickness of nut, unscrew head chuck and compress the screw in screw hole, unscrew nut chuck and compress the screw in screw hole, unscrew bar portion briquetting right-hand member and compress the screw in screw hole, unscrew bar portion briquetting left end and compress the screw in screw hole, use push rod to stretch into Level Promoting bolt in turning set through hole, the thread segment of bolt and the nut on thread segment are released from nut collet bore, when nut enters in the gap of bar portion supporting seat and nut chuck, reverse rotation nut, continuation with thread segment is moved, thread segment departs from from nut, thread segment is pushed upper holder block and the lower lock block after involutory, bolt head pushed away from bolt head coupling hole and cap opening simultaneously, continue to promote bolt to bolt departs from from cap opening, complete discharging, when installing bolt, the thread segment of bolt is pushed from cap opening, thread segment is after bolt head coupling hole and involutory upper holder block and lower lock block, walk to the gap of bar portion supporting seat and nut chuck, and nut is placed in this gap location, with advancing nut rotation set on thread segment of thread segment, thread segment enters in nut chuck together with nut, now the bolt head of bolt enters in bolt head coupling hole, completes charging.
The utility model principle of work is: the bolt head of bolt to be measured is packed in the bolt head coupling hole on head chuck, bolt head and relatively rotating of head chuck are restricted, the screw rod that the upper holder block of bar portion briquetting and lower lock block are pushed down bolt, screw flight section part is emerged from bar portion briquetting right-hand member, head chuck is inserted in head supporting seat together with bolt head, again bar portion briquetting left end is also inserted in head supporting seat, bar portion briquetting right-hand member is inserted in bar portion supporting seat, by nut rotation set in screw flight section, nut is partly inserted in nut chuck together with screw flight section, nut horizontal sliding enters in nut collet bore, relatively rotating of restriction nut and nut chuck, the relative nut collet bore of nut is along horizontal line sliding contact, so that nut is when rotating along thread segment, with respect to the translation of nut chuck, then, the head chuck of tightening on head supporting seat compresses the screw in screw hole, the bar portion briquetting left end of tightening on head supporting seat compresses the screw in screw hole, the bar portion briquetting right-hand member of tightening on bar portion supporting seat compresses the screw in screw hole, the nut chuck of tightening on turning set compresses the screw in screw hole, screw back of the body cap, tension tester loads and detects, the pressure head of tension tester is to tooth bar load application, through gear driven turning set, slowly rotate, drive nut chuck and nut in turning set to rotate around horizontal line, and nut is also being made traveling priority with respect to nut chuck towards bolt head direction in rotation, until reach the windup-degree of setting or the load value of regulation, completing rear slider returns, the state of the bolt that during shutdown, observable detects, print data that computer shows and curve etc., screw out back of the body cap, unscrew and respectively compress screw, screw off nut, take out the bolt detecting, detect and finish.The windup-degree value that needs can be measured is converted to the shift value of slide block, and by the computer of this shift value, loading speed input tension tester, the pressure head on correct detection device slide block and the mutual alignment of tooth bar.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1, the thrust that pick-up unit of the present utility model utilizes the slide block of tension tester to apply tooth bar becomes the torsion that tested bolt bears, and converts and depict test figure and parametric line, as angular displacement, moment of torsion, torque peak and angular displacement during destruction, loading speed, load time, force-displacement relationship figure etc., can accurately describe the elastic deformation of bolt when bearing torsional interaction, plastic yield is the situation in rupture failure stage even, also can be by changing loading speed, displacements etc. are demonstrated the process of the deformation and failure of bolt under different loading environments, and having overcome conventional employing manpower, by torque spanner, to reverse bolt inaccurate with the loading of measuring torque value mode and existing, loading speed is unstable, labour intensity is large, defects such as the moment of torsion when cannot describe bolt distortion or destroying and angular displacement relation, and comparing with Test of Friction machine, drop into littlely, and price is low, has avoided widely the huge input of Test of Friction machine, has significantly improved the cost performance of checkout equipment.
2, the utility model, by changing head chuck and the nut chuck (the equal capable of regulating of size of its appearance or internal openings) of different size, can detect the bolt of different size, easy to use and flexible.
Torque peak and angular displacement, loading speed, load time, force-displacement relationship figure etc. when 3, the utility model can be tested the screw rod of bolt with respect to the angular displacement of bolt head, moment of torsion, destruction, after installing bar portion supporting seat, clamping force to the screw rod of bolt to be measured is larger, for example can simulate the be subject to torsion state of bolt embedment in concrete on railroad track and test, detected moment of torsion data can be used for judging the service condition of bolt and quality etc.
Accompanying drawing explanation
Fig. 1 is the phantom view of a kind of bolt torque pick-up unit the first embodiment of the utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the A-A cut-open view of Fig. 1;
Fig. 4 is the cut-open view of the turning set in Fig. 1;
Fig. 5 is the front view of the head chuck in Fig. 1;
Fig. 6 is the front view of the nut chuck in Fig. 1;
Fig. 7 by Fig. 1 the front view of detection bolt;
Fig. 8 is the phantom view of a kind of bolt torque pick-up unit the second embodiment discharging state of the utility model.
In above accompanying drawing: 1. support; 2. head supporting seat; 3. head chuck; 4. bar portion supporting seat; 5. nut chuck; 6. turning set; 7. nut; 8. bar portion briquetting; 9. tension tester; 10. gear; 11. tooth bars; 12. head chuck planes; 13. bolt head coupling holes; 14. head supporting seat holes; 15. head chucks compress screw hole; 16. bar portion supporting seat holes; 17. bar portion briquetting right-hand members compress screw hole; 18. upper holder blocks; 19. lower lock blocks; 20. bar portion briquetting left ends compress screw hole; 21. rotate grooving; 22. nut chucks compress screw hole; 23. nut collet bore; 24. nut chuck locating slots; 25. back of the body caps; 26. cap openings; 27. screws are installed elongated slot; 28. slide blocks; 29. pressure heads; 30. pinion stands; 31. tooth bar seats; 32. turning set through holes; 33. push rods; 34. bolt heads; 35. screw rods; 36. thread segments.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment mono-: shown in Fig. 1～7, a kind of bolt torque pick-up unit, comprise support 1, on described support 1, be installed with head supporting seat 2, pinion stand 30 and tooth bar seat 31, described pick-up unit also comprises head chuck 3, nut chuck 5, turning set 6, nut 7, tension tester 9, gear 10, tooth bar 11 and back of the body cap 25;
Described tooth bar 11 edge on tooth bar seat 31 vertically slides up and down, gear 10 rotates around horizontal line through pinion stand 30 supportings, the coaxial connection of rotating cover 6 of gear 10, gear 10 and tooth bar 11 engagements, tension tester 9 is in transmission connection tooth bar 11 to drive tooth bar 11 to slide, and driven gear 10 and turning set 6 rotations;
On described head supporting seat 2, offer the head supporting seat hole 14 and the head chuck that are connected and compress screw hole 15, described head chuck 3 is inserted in head supporting seat hole 14, head chuck compresses in screw hole 15 after rigging screw, this screw end stretches in head supporting seat hole 14 against head chuck 3, and restriction head chuck 3 rotates around horizontal relative to head supporting seat 2; On described head chuck 3, offer bolt head coupling hole 13, bolt shaft to be measured is to level, its bolt head 34 is inserted in bolt head coupling hole 13, and the shape of mating hole 13 via bolt head 34 with bolt head limits, and bolt head 34 is restricted around horizontal rotation relative to head chuck 3;
On described turning set 6, offer the rotation grooving 21 and the nut chuck that are connected and compress screw hole 22, nut chuck 5 is inserted and is rotated in grooving 21, nut chuck compresses in screw hole 22 after rigging screw, this screw end stretches into rotates in grooving 21 against nut chuck 5, and restriction nut chuck 5 relatively rotates cover 6 around horizontal rotation with along horizontal translation; On nut chuck 5, offer nut collet bore 23, in nut 7 embedding nut collet bore 23, also relative nut collet bore 23 is along horizontal line sliding contact, via nut 7 and the shape of nut collet bore 23, limit, nut 7 is restricted around horizontal rotation relative to nut chuck 5; Nut 7 and bolt head coupling hole 13 is highly consistent, so that the thread segment 36 of bolt to be measured stretches in nut 7, and nut 7 and thread segment 36 threaded engagement;
On described head supporting seat 2, offer cap opening 26, this cap opening 26 is communicated with head supporting seat hole 14, described back of the body cap 25 is fixed on head supporting seat 2 through cap opening 26, the end of back of the body cap 25 is stretched in head supporting seat hole 14 against the bolt head 34 of bolt in head chuck 3 and head chuck 3, and restriction bolt head 34 is moved to the left and around horizontal rotation along horizontal.Its bolt head of bolt (34) detecting may be sexangle, end face may be plane, also may offer circular trough, in-line groove, cross bath, hexagonal hole etc., at back of the body cap 25 inserting ends, can be provided with the boss mating with circular trough, in-line groove, cross bath, hexagonal hole etc., boss embeds in circular trough, in-line groove, cross bath, hexagonal hole, can limit bolt head 34 around horizontal rotation, also can be only by the friction force effect between the back of the body cap 25 inserting ends and bolt head (34) planar end, and limit bolt head 34 around horizontal rotation.
Described pick-up unit also comprises bar portion supporting seat 4 and bar portion briquetting 8, described bar portion briquetting 8 comprises the upper holder block 18 of strip and the lower lock block 19 of strip, on upper holder block 18, offer upper holder block groove, on lower lock block 19, offer lower lock block groove, after upper holder block 18 is involutory with lower lock block 19, the screw rod 35 of the corresponding fishbolt of upper holder block groove and lower lock block groove, bar portion briquetting 8 left ends are inserted in head supporting seat hole 14, on head supporting seat 2, also offer the bar portion briquetting left end being communicated with head supporting seat hole 14 and compress screw hole 20, bar portion briquetting left end compresses in screw hole 20 after rigging screw, this screw end stretches in head supporting seat hole 14, left end against bar portion briquetting 8, with limit rod portion briquetting 8 left ends, relative to head supporting seat 2, around horizontal, rotate.Upper holder block groove on upper holder block 18 and the lower lock block groove on lower lock block 19, can be V-shaped groove or square groove or deep-slotted chip breaker or its combination, this is to determine according to the screw rod shape of bolt to be measured, as long as can clamp the screw rod 35 of bolt when pressing bar portion briquetting 8, limit its rotation and get final product (screw rod 35 of bolt may be square bar, round bar or other shapes).
On described bar portion supporting seat 4, offer the bar portion supporting seat hole 16 and the bar portion briquetting right-hand member that are connected and compress screw hole 17, bar portion briquetting 8 right-hand members are inserted in bar portion supporting seat hole 16, bar portion briquetting right-hand member compresses rigging screw in screw hole 17, this screw end stretches in bar portion supporting seat hole 16, against the right-hand member of bar portion briquetting 8, limit rod portion briquetting 8 right-hand members rotate around horizontal relative to bar portion supporting seat 4; Bar portion briquetting 8 levels are less than bolt length to length, so that after the thread segment 36 of bolt stretches out from bar portion briquetting 8, then stretch in nut 7.
Described head chuck 3 has a head chuck plane 12, or offer head chuck stopper slot, head chuck compresses in screw hole 15 after rigging screw, this screw end is pressed in head chuck plane 12, or insert in head chuck stopper slot, to limit head chuck 3, relative to head supporting seat 2, around horizontal, rotate.
The chuck of head described in the present embodiment 3 is square cylindricality, and axis of a cylinder is to level, and a side of this tetragonal prism forms described head chuck plane 12, and the head supporting seat hole 14 on described head supporting seat 2 is the square opening coordinating with tetragonal prism.In other example, head chuck 3 also can be triangle cylindricality, five side column shapes etc.
Described nut chuck 5 is hollow cylindrical structure, this cylinder axis is to level, rotate the cylindrical groove of grooving 21 for matching with nut chuck 5, on nut chuck 5, perpendicular to cylindrical center's axis direction, offer nut chuck locating slot 24, the screw end that nut chuck compresses assembling in screw hole 22 stretches in nut chuck locating slot 24, to limit nut chuck 5, relatively rotates cover 6 around horizontal rotation with along horizontal translation.
Described back of the body cap 25 is provided with external thread, and the cap opening 26 on described head supporting seat 2 is internal thread hole, and back of the body cap 25 coordinates in precession cap opening 26 through thread connection, so that back of the body cap 25 is fixed on head supporting seat 2.
On described head supporting seat 2, offer screw elongated slot 27 is installed, this screw install elongated slot 27 flute length along level to, screw is installed rigging screw in elongated slot 27, in order to be fixed on support 1 head supporting seat 2 is dismountable, unload screw the screw in elongated slot 27 is installed, change after the horizontal range of head supporting seat 2 with respect to turning set 6, then screw is arranged on to the diverse location in screw installation elongated slot 27, head supporting seat 2 is fixing, can adapt to the detection to the bolt of different length specification.
Described tension tester 9 is electro-hydraulic servo tension tester.
Described tension tester 9 is provided with slide block 28, on this slide block 28, connects pressure head 29, and this pressure head 29 contacts with tooth bar 11, to drive tooth bar 11 to slide.
Embodiment bis-: shown in Figure 8, and a kind of bolt torque pick-up unit, basic structure is identical with embodiment mono-, also comprises bar portion supporting seat 4 and bar portion briquetting 8, on turning set 6, offer the turning set through hole 32 being communicated with nut collet bore 23, the axial level of turning set through hole 32, bolt thread section 36 in the corresponding nut collet bore 23 in aperture, the bolt head 34 of the corresponding bolt in described cap opening 26 apertures, cap opening 26 sizes are greater than the size of bolt head 34, the level interval of bar portion supporting seat 4 and nut chuck 5 is greater than the thickness of nut 7, unscrew head chuck and compress the screw in screw hole 15, unscrew nut chuck and compress the screw in screw hole 22, unscrew bar portion briquetting right-hand member and compress the screw in screw hole 17, unscrew bar portion briquetting left end and compress the screw in screw hole 20, use push rod 33 to stretch into Level Promoting bolt in turning set through hole 32, the thread segment 36 of bolt and the nut 7 on thread segment 36 are released from nut collet bore 23, when nut 7 enters in the gap of bar portion supporting seat 4 and nut chuck 5, reverse rotation nut 7, continuation with thread segment 36 is moved, thread segment 36 departs from from nut 7, thread segment 36 is pushed upper holder block 18 and the lower lock block 19 after involutory, bolt head 34 pushed away from bolt head coupling hole 13 and cap opening 26 simultaneously, continue to promote bolt to bolt departs from from cap opening 26, complete discharging, when installing bolt, the thread segment of bolt 36 is pushed from cap opening 26, thread segment 36 is after bolt head coupling hole 13 and involutory upper holder block 18 and lower lock block 19, walk to the gap of bar portion supporting seat 4 and nut chuck 5, and nut 7 is placed in this gap location, with advancing nut 7 rotation sets on thread segment 36 of thread segment 36, thread segment 36 enters in nut chuck 5 together with nut 7, now the bolt head 34 of bolt enters 13 li, bolt head coupling hole, completes charging.This scheme only need be unscrewed and respectively compressed screw and just the bolt of detection can be taken off, then puts into new bolt and detect, very convenient.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (10)
1. a bolt torque pick-up unit, comprise support (1), it is characterized in that: on described support (1), be installed with head supporting seat (2), pinion stand (30) and tooth bar seat (31), described pick-up unit also comprises head chuck (3), nut chuck (5), turning set (6), nut (7), tension tester (9), gear (10), tooth bar (11) and back of the body cap (25);
Described tooth bar (11) is upper along vertically sliding up and down at tooth bar seat (31), gear (10) rotates around horizontal line through pinion stand (30) supporting, the coaxial connection of rotating cover (6) of gear (10), gear (10) and tooth bar (11) engagement, tension tester (9) is in transmission connection tooth bar (11) to drive tooth bar (11) to slide, and driven gear (10) and turning set (6) rotation;
On described head supporting seat (2), offer the head supporting seat hole (14) and the head chuck that are connected and compress screw hole (15), described head chuck (3) is inserted in head supporting seat hole (14), head chuck compresses after the middle rigging screw of screw hole (15), this screw end stretches in head supporting seat hole (14) against head chuck (3), and restriction head chuck (3) rotates around horizontal relative to head supporting seat (2); On described head chuck (3), offer bolt head coupling hole (13), bolt shaft to be measured is to level, its bolt head (34) is inserted in bolt head coupling hole (13), the shape of mating hole (13) via bolt head (34) with bolt head limits, and bolt head (34) is restricted around horizontal rotation relative to head chuck (3);
On described turning set (6), offer the rotation grooving (21) and the nut chuck that are connected and compress screw hole (22), nut chuck (5) is inserted and is rotated in grooving (21), nut chuck compresses after the middle rigging screw of screw hole (22), this screw end stretches into rotates in grooving (21) against nut chuck (5), and restriction nut chuck (5) relatively rotates cover (6) around horizontal rotation with along horizontal translation; On nut chuck (5), offer nut collet bore (23), in nut (7) embedding nut collet bore (23), also relative nut collet bore (23) is along horizontal line sliding contact, via nut (7) and the shape of nut collet bore (23), limit, nut (7) is restricted around horizontal rotation relative to nut chuck (5); Nut (7) and bolt head coupling hole (13) is highly consistent, so that the thread segment of bolt to be measured (36) stretches in nut (7), and nut (7) and thread segment (36) threaded engagement;
On described head supporting seat (2), offer cap opening (26), this cap opening (26) is communicated with head supporting seat hole (14), described back of the body cap (25) is fixed on head supporting seat (2) through cap opening (26), the end of back of the body cap (25) is stretched in head supporting seat hole (14), against the bolt head (34) of bolt in head chuck (3) and head chuck (3), restriction bolt head (34) is moved to the left and around horizontal rotation along horizontal.
2. bolt torque pick-up unit according to claim 1, it is characterized in that: described head chuck (3) has a head chuck plane (12), or offer head chuck stopper slot, head chuck compresses after the middle rigging screw of screw hole (15), this screw end is pressed in head chuck plane (12), or insert in head chuck stopper slot, to limit head chuck (3), relative to head supporting seat (2), around horizontal, rotate.
3. bolt torque pick-up unit according to claim 1, it is characterized in that: described nut chuck (5) is hollow cylindrical structure, this cylinder axis is to level, rotate the cylindrical groove of grooving (21) for matching with nut chuck (5), nut chuck (5) is upper offers nut chuck locating slot (24) perpendicular to cylindrical center's axis direction, the screw end that nut chuck compresses assembling in screw hole (22) stretches in nut chuck locating slot (24), with restriction nut chuck (5), relatively rotate cover (6) around horizontal rotation with along horizontal translation.
4. bolt torque pick-up unit according to claim 1, it is characterized in that: described back of the body cap (25) is provided with external thread, cap opening (26) on described head supporting seat (2) is internal thread hole, back of the body cap (25) coordinates in precession cap opening (26) through thread connection, so that back of the body cap (25) is fixed on head supporting seat (2).
5. bolt torque pick-up unit according to claim 1, it is characterized in that: on described head supporting seat (2), offer screw elongated slot (27) is installed, this screw install elongated slot (27) flute length along level to, screw is installed rigging screw in elongated slot (27), in order to be fixed on support (1) head supporting seat (2) is dismountable, unload screw the screw in elongated slot (27) is installed, change after the horizontal range of head supporting seat (2) with respect to turning set (6), again screw is arranged on to screw the diverse location in elongated slot (27) is installed, head supporting seat (2) is fixing, can adapt to the detection to the bolt of different length specification.
6. bolt torque pick-up unit according to claim 1, is characterized in that: described tension tester (9) is electro-hydraulic servo tension tester.
7. bolt torque pick-up unit according to claim 1, it is characterized in that: described tension tester (9) is provided with slide block (28), the upper pressure head (29) that connects of this slide block (28), this pressure head (29) contacts with tooth bar (11), to drive tooth bar (11) to slide.
8. bolt torque pick-up unit according to claim 1, it is characterized in that: on described turning set (6), offer the turning set through hole (32) being communicated with nut collet bore (23), turning set through hole (32) is level axially, bolt thread section (36) in the corresponding nut collet bore in aperture (23), the bolt head (34) of the corresponding bolt in described cap opening (26) aperture, cap opening (26) size is greater than the size of bolt head (34), unscrew head chuck and compress the screw in screw hole (15), unscrew nut chuck and compress the screw in screw hole (22), use push rod (33) to stretch into Level Promoting bolt in turning set through hole (32), nut (7) on the thread segment of bolt (36) and thread segment (36) is pushed out from nut collet bore (23), from thread segment (36) rotation, take off nut (7), and bolt head (34) also leaves bolt head coupling hole (13) and cap opening (26), continue to promote bolt, bolt is released from cap opening (26), complete discharging, when installing bolt, the thread segment of bolt (36) is pushed from cap opening (26), after being pushed into thread segment (36) and stretching out from bolt head coupling hole (13), on thread segment (36), screw on nut (7), continue to promote, thread segment (36) and nut (7) enter in nut chuck (5) together, and it is inner that now the bolt head of bolt (34) enters bolt head coupling hole (13), completes charging.
9. bolt torque pick-up unit according to claim 1, is characterized in that: described pick-up unit also comprises bar portion supporting seat (4) and bar portion briquetting (8);
Described bar portion's briquetting (8) comprises the upper holder block (18) of strip and the lower lock block (19) of strip, upper holder block offers upper holder block groove on (18), lower lock block offers lower lock block groove on (19), after upper holder block (18) is involutory with lower lock block (19), the screw rod (35) of the corresponding fishbolt of upper holder block groove and lower lock block groove, bar portion briquetting (8) left end is inserted in head supporting seat hole (14), on head supporting seat (2), also offer the bar portion briquetting left end being communicated with head supporting seat hole (14) and compress screw hole (20), bar portion briquetting left end compresses after the middle rigging screw of screw hole (20), this screw end stretches in head supporting seat hole (14), left end against bar portion briquetting (8), with limit rod portion briquetting (8) left end, relative to head supporting seat (2), around horizontal, rotate,
On described bar portion's supporting seat (4), offer the bar portion supporting seat hole (16) and the bar portion briquetting right-hand member that are connected and compress screw hole (17), bar portion briquetting (8) right-hand member is inserted in bar portion supporting seat hole (16), bar portion briquetting right-hand member compresses rigging screw in screw hole (17), this screw end stretches in bar portion supporting seat hole (16), against the right-hand member of bar portion briquetting (8), limit rod portion briquetting (8) right-hand member rotates around horizontal relative to bar portion supporting seat (4); Bar portion briquetting (8) level is less than bolt length to length, so that after the thread segment of bolt (36) stretches out from bar portion briquetting (8), then stretch in nut (7).
10. bolt torque pick-up unit according to claim 9, it is characterized in that: on described turning set (6), offer the turning set through hole (32) being communicated with nut collet bore (23), turning set through hole (32) is level axially, bolt thread section (36) in the corresponding nut collet bore in aperture (23), the bolt head (34) of the corresponding bolt in described cap opening (26) aperture, cap opening (26) size is greater than the size of bolt head (34), the level interval of bar portion supporting seat (4) and nut chuck (5) is greater than the thickness of nut (7), unscrew head chuck and compress the screw in screw hole (15), unscrew nut chuck and compress the screw in screw hole (22), unscrew bar portion briquetting right-hand member and compress the screw in screw hole (17), unscrew bar portion briquetting left end and compress the screw in screw hole (20), use push rod (33) to stretch into Level Promoting bolt in turning set through hole (32), nut (7) on the thread segment of bolt (36) and thread segment (36) is released from nut collet bore (23), when nut (7) enters in the gap of bar portion supporting seat (4) and nut chuck (5), reverse rotation nut (7), continuation with thread segment (36) is moved, thread segment (36) departs from from nut (7), thread segment (36) is pushed upper holder block (18) and the lower lock block (19) after involutory, bolt head (34) pushed away from bolt head coupling hole (13) and cap opening (26) simultaneously, continuing to promote bolt departs from (26) to bolt from cap opening, complete discharging, when installing bolt, the thread segment of bolt (36) is pushed from cap opening (26), thread segment (36) is after bolt head coupling hole (13) and involutory upper holder block (18) and lower lock block (19), walk to the gap of bar portion supporting seat (4) and nut chuck (5), and nut (7) is placed in this gap location, with advancing nut (7) rotation set on thread segment (36) of thread segment (36), thread segment (36) and nut (7) enter in nut chuck (5) together, it is inner that now the bolt head of bolt (34) enters bolt head coupling hole (13), complete charging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320451397.7U CN203422186U (en) | 2013-07-26 | 2013-07-26 | Bolt torque detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320451397.7U CN203422186U (en) | 2013-07-26 | 2013-07-26 | Bolt torque detection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203422186U true CN203422186U (en) | 2014-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320451397.7U Withdrawn - After Issue CN203422186U (en) | 2013-07-26 | 2013-07-26 | Bolt torque detection apparatus |
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| CN (1) | CN203422186U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411721A (en) * | 2013-07-26 | 2013-11-27 | 太仓中博铁路紧固件有限公司 | Bolt torque detection device |
| CN106404263A (en) * | 2016-08-31 | 2017-02-15 | 河南航天精工制造有限公司 | Tooth wheel groove screw bolt pulling and twisting characteristic detection method and special-purpose wrench |
| CN106583272A (en) * | 2016-12-28 | 2017-04-26 | 宁波考比锐特汽车科技有限公司 | Screw rod and screw barrel detecting and discharging system |
| CN109115385A (en) * | 2018-08-14 | 2019-01-01 | Oppo（重庆）智能科技有限公司 | Torsion test fixture |
-
2013
- 2013-07-26 CN CN201320451397.7U patent/CN203422186U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411721A (en) * | 2013-07-26 | 2013-11-27 | 太仓中博铁路紧固件有限公司 | Bolt torque detection device |
| CN103411721B (en) * | 2013-07-26 | 2015-01-21 | 太仓中博铁路紧固件有限公司 | Bolt torque detection device |
| CN106404263A (en) * | 2016-08-31 | 2017-02-15 | 河南航天精工制造有限公司 | Tooth wheel groove screw bolt pulling and twisting characteristic detection method and special-purpose wrench |
| CN106583272A (en) * | 2016-12-28 | 2017-04-26 | 宁波考比锐特汽车科技有限公司 | Screw rod and screw barrel detecting and discharging system |
| CN109115385A (en) * | 2018-08-14 | 2019-01-01 | Oppo（重庆）智能科技有限公司 | Torsion test fixture |
| CN109115385B (en) * | 2018-08-14 | 2020-12-08 | Oppo（重庆）智能科技有限公司 | Torsion detection fixing device |
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