CN104458419A - Tension controller for stay wire - Google Patents
Tension controller for stay wire Download PDFInfo
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- CN104458419A CN104458419A CN201410770981.8A CN201410770981A CN104458419A CN 104458419 A CN104458419 A CN 104458419A CN 201410770981 A CN201410770981 A CN 201410770981A CN 104458419 A CN104458419 A CN 104458419A
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- bracing wire
- slide block
- guide rail
- tensile force
- active joint
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Abstract
The invention discloses a tension controller for a stay wire. The tension controller comprises a stay wire measurement and control mechanism, a stress mechanism, a sensor support block and a bracket, wherein the bracket comprises a base and a vertical wall; the base and the vertical wall form a structure of which the section is L-shaped; the stay wire measurement and control mechanism is arranged at the upper end of the vertical wall; the stress mechanism is used for carrying out stress supporting when the stay wire measurement and control mechanism operates, and comprises a guide rail, a slide block, a limiting support and a movable joint; the guide rail is horizontally arranged at the lower part of the middle of the vertical wall, and is used for connecting the slide block; the slide block is connected with the limiting support; the movable joint is arranged on the limiting support; and the front end surface of the movable joint is in a shape which is matched with the stress surface of a support object. The tension controller is used as small stay wire tension control equipment for manual and mechanical power transmission; the operation process for tensioning the stay wire is safe and stable; tension measurement and control and stay wire installation are synchronously carried out; and the tension controller has the advantages of ingenious structure, high measurement and control accuracy, low cost and small size, and is free of limitation of the service environment, simple to operate, rapid to disassemble and assemble, and convenient to carry.
Description
Technical field
The invention belongs to pulling force observation and control technology field, relate to a kind of portable manual pulling force observing and controlling precision equipment that one or two extruded object pulling force observing and controlling and installation are synchronously carried out for realizing on fixed pulling force measuring and controlling equipment.In particular to a kind of bracing wire tensile force controller.
Background technology
No matter at military or product for civilian use production field, all may run into and need to install in product a part, fix the bracing wire installment work preseting regulation pulling force in advance, and all pulling force observing and controlling work relating to material at present, all need to complete by fixed pulling force measuring and controlling equipment.
There is following problem and limitation in fixed pulling force measuring and controlling equipment: one is that fixed pulling force measuring and controlling equipment can only carry out pulling force observing and controlling and pulling strengrth to material separately and detects, and can not accomplish synchronously to carry out with installing the pulling force observing and controlling of extruded object.Two is that fixed pulling force measuring and controlling equipment cannot move by volume, power supply and arrangement requirement restriction, and therefore environment for use is limited.Three is that fixed pulling force measuring and controlling equipment cost is high, use cost is high, have impact on the universal of it.
How to overcome the above problems, make pulling force measuring and controlling equipment under the prerequisite that cost is controlled, break the restriction of environment for use, producing that a cost is low, manipulation is simple, conveniently moving, can complete one or more extruded object pulling force observing and controlling on product and install the portable manual pulling force observing and controlling precision equipment synchronously carried out in production scene, is the problem needing research at present.
Summary of the invention
Technology of the present invention is dealt with problems: overcome prior art deficiency, provides that a kind of armstrong's patent controls, cost is low, volume is little, manipulation is simple, conveniently moving, can to complete in production scene one or two extruded object pulling force observing and controlling on product and the portable manual pulling force observing and controlling precision equipment that synchronously carries out of installation.
Bracing wire tensile force controller of the present invention comprises bracing wire observing and controlling mechanism, force mechanism, sensor support block and support, described support comprises base and wall, it is L font structure that described base and described wall form cross section, described bracing wire observing and controlling mechanism is installed on the upper end of described wall, described force mechanism is used for carrying out stressed support when described bracing wire observing and controlling institution staff, it comprises guide rail, slide block, limited support and active joint, the position on the lower side, middle part that described guide rail level is arranged on described wall, for connecting described slide block, described slide block and described limited support link together, described active joint is arranged on described limited support, the front end face of described active joint is the shape coordinating stilt stress surface.
Preferably there is bracing wire observing and controlling mechanism described in two groups, adopt symmetrical layout, can complete simultaneously, pulling force observing and controlling and installation are implemented to two extruded objects.
Preferred described wall and described base stainless steel gemel connection, can open with folding, described wall is platy structure, there are in described wall upper end symmetrical two described square type open slots, two described open slots are configured according to the mode that centre distance is between the two consistent with the centre distance of two bracing wires that will strain, there is in the below of two described open slots the featherway of a longitudinal strip respectively, described open slot and described featherway are all for installing described bracing wire observing and controlling mechanism, position on the lower side in the middle part of described wall is processed with three tapped through holes, horizontal symmetrical distributes, for installing described guide rail.
Preferred described guide rail exterior contour is rectangle, be processed with a T-shaped open slot along its length, for inserting described slide block, the bottom surface of described T-shaped open slot being symmetrically distributed with along its length three counterbores, utilizing sunk screw to be fixed on the front surface of described wall by described guide rail.
The length of preferred described slide block is identical with described guide rail, and its transversal section is " work " font, fits in its wide end face and described limited support rear portion.Its narrow one end is for inserting in the T-shaped open slot of described guide rail.Described slide block is processed with three kidney-shapeds along its length and alleviates through hole, and is symmetrily processed with two counterbores, utilizes socket cap screw to be screwed into described limited support by two counterbores, and the two is linked together.
The profile of preferred described limited support is U-shaped, and be all processed with at its rear portion and both sides and alleviate elongated hole, its rear portion Width is symmetrically distributed with two tapped through holes, for being connected with described slide block.Its two forequarter respectively machined a rectangular aperture groove, for inserting described active joint, and the through hole be respectively processed with in two described open slot short transverse symmetrical center line for installing drift bolt, the side of described active joint is also processed with for installing described drift bolt through hole, described active joint inserts described open slot in the mode leaving gap between the bottom surface of end face and described open slot thereafter, and utilize described drift bolt to be limited in described open slot, thus enable described active joint with the axle center of described drift bolt for rotation center does small angle rotation in described open slot.
Preferred described active joint high-strength alloy structural steel 30CrMnSiA makes, and through Tempering and Quenching, hardness reaches 28-32HRC, plating hard chromium on surface, and the front end face of described active joint is 45 ° of inclined-planes.
Preferred described guide rail high-strength alloy structural steel 30CrMnSiA makes, and through Tempering and Quenching, hardness reaches 28-32HRC, plating hard chromium on surface.
Preferred described slide block high-strength alloy structural steel 30CrMnSiA makes, and through Tempering and Quenching, hardness reaches 28-32HRC, plating hard chromium on surface.
Preferred described limited support high-strength alloy structural steel 30CrMnSiA makes, and through Tempering and Quenching, hardness reaches 28-32HRC, plating hard chromium on surface.
The present invention's advantage is compared with prior art:
1. volume of the present invention is little, quality is light, easy to carry, the data acquisition display apparatus of pulling force sensor is chargeable, power without the need to fixed power source, therefore working environment is unrestricted, can use at the production multiple environment such as on-the-spot, outdoor, compensate for that common fixed pulling force measuring and controlling equipment cannot move, the restricted defect of environment for use.
2. two pulling force sensors the present invention have been installed, can simultaneously observing and controlling, two extruded objects are installed, also can observing and controlling separately, install an extruded object, this just provides more more options to user, expanded the scope of application of equipment, also compensate for common fixed pulling force measuring and controlling equipment once can only the deficiency of an observing and controlling extruded object simultaneously.
3. the present invention is not owing to limiting by environment for use, in observing and controlling process, the display of pulling force sensor can show value of thrust in real time simultaneously, therefore can complete in production scene and one or two extruded object pulling force observing and controlling on product and installation are synchronously carried out, and can ensure that the preset force of extruded object keeps accurate steady state value very well.And common pulling force measuring and controlling equipment can only carry out individual event detection to extruded object, cannot accomplish that pulling force observing and controlling and installment work are synchronously carried out.
4. several part such as the drill chuck in the present invention, stud bolt, pulling force sensor, power transmission screw rod, guiding overcoat, copper backing, sinuate handwheel and instrument are the parts be connected as a single entity, and inserted by the open slot of arranged on left and right sides on the rectangular aperture groove alignment sensor support put and can complete this parts installment work during equipment use outside guiding.Several parts such as the limited support in the present invention, active joint, drift bolt, slide block are also the parts be connected as a single entity, and inserted at slide block rear portion in the T-shaped open slot being arranged on guide rail on sensor stand and can complete this parts installment work during equipment use.Sensor support block rear portion in the present invention machined key shape boss, only boss need be absorbed in the featherway on sensor stand during equipment use, then the M8 lock-screw of band knurling handle to be screwed in from the rear portion of sensor stand riser sensor support block with hand and to screw, the installation of sensor support block, clamping work can be completed.When sensor stand in the present invention erects, the little pressing plate that utilization is arranged on pan front M10 swing bolt and star hand wheel can complete compression, steady job.Sensor stand in the present invention and base plate high-strength stainless steel gemel connection, collapsible.
In sum, this invention has taken into full account that equipment launches and the agility of packing up, adopt the type of attachment of insertion slot type that parts are filled in a large number, tear open very fast.
5. each lock-screw designed in the present invention and handwheel have all taken into full account the comfortableness that hand exerts a force, therefore use equipment time without the need to again by other instrument, taken into full account the integrality of equipment self function, rationality.
6. the active joint front end face in the present invention is used for withstanding stress surface, stress surface on different product and the angle between ground can be different, therefore active joint is by the complete manufacture of different angles, select the active joint of different angles for different products, this makes the scope of application of equipment expand to some extent.
7. the limited support in the present invention can according to the difference of product stress point position adjusted design shape, with the needs of satisfied different test products, this makes the scope of application of equipment expand to some extent.
8. volume of the present invention is little, quality is light, easy to carry, pulling force sensor is powered without the need to fixed power source, working environment is unrestricted, cost is low, applied widely, be the Portable pulling force observing and controlling precision equipment that a armstrong's patent controls, therefore have penetration and promotion and be worth.
Accompanying drawing explanation
Fig. 1 is the schematic front view of bracing wire tensile force controller;
Fig. 2 is the schematic top plan view of bracing wire tensile force controller;
Fig. 3 is that schematic diagram is looked on a left side for bracing wire tensile force controller;
Fig. 4 is the sensor stand schematic front view of bracing wire tensile force controller;
Fig. 5 is the sensor stand schematic top plan view of bracing wire tensile force controller;
Fig. 6 is that schematic diagram is looked on a sensor stand left side for bracing wire tensile force controller;
Fig. 7 is the M10 lock-screw schematic front view of bracing wire tensile force controller;
Fig. 8 is the M8 lock-screw schematic front view of bracing wire tensile force controller;
Fig. 9 is the guide rail schematic front view of bracing wire tensile force controller;
Figure 10 is that diagrammatic cross-section is looked on a guide rail left side for bracing wire tensile force controller;
Figure 11 is the slide block schematic front view of bracing wire tensile force controller;
Figure 12 is the slide block counterbore position diagrammatic cross-section of bracing wire tensile force controller;
Figure 13 is the limited support schematic front view of bracing wire tensile force controller;
Figure 14 is the limited support schematic top plan view of bracing wire tensile force controller;
Figure 15 is that schematic diagram is looked on a limited support left side for bracing wire tensile force controller;
Figure 16 is the drift bolt schematic front view of bracing wire tensile force controller;
Figure 17 is the active joint schematic front view of bracing wire tensile force controller;
Figure 18 is the slide block of bracing wire tensile force controller, limited support and active joint connection diagram.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
The present embodiment to suppose unmanned vehicle, fuselage length 7 meters, the span 8 meters, front-wheel is arranged on U-shaped front-wheel support, front-wheel support has one perpendicular to the vertical shaft on ground, and vertical shaft inserts the mount pad of nose-gear bottom, there is bearing in mount pad, front-wheel support can be made to horizontally rotate.A rocking arm has been installed along spanwise in the position that mount pad is exposed on vertical shaft top, and length is consistent, left and right symmetrical with the stopper arms being positioned at rocking arm front 75mm isometry position be fixed on nose-gear.Stopper arms is fixed on nose-gear, and front-wheel support and front-wheel can be driven when rocking arm horizontally rotates to rotate together, and rocking arm and stopper arms two ends all machined for passing
the wire hole of steel wire pull line, pitch-row is consistent and left and right symmetrical.Control steering wheel in head cabin has installed driving wheel, and on driving wheel, left and right two steel wire pull line are each passed through wire hole below nose-gear on stopper arms and rocking arm by special approach.When applying identical preset pulling force to two bracing wires simultaneously, special steel wire lock tightening part is fixed on wire hole position, rocking arm both sides, makes the tensile force of bracing wire remain steady state value.When flight control computer sends instruction to the control steering wheel in head, the driving wheel controlled on steering wheel starts Small-angle Rotation, steel wire pull line on driving wheel will drive the rocking arm above front-wheel to do low-angle clockwise or counterclockwise and horizontally rotate; rocking arm drives front-wheel support and front-wheel to horizontally rotate together again; thus realize carrying out micro-adjustment front-wheel direct of travel by bracing wire, reach the object utilizing front-wheel error correct when aircraft slides on runway.
By describing above and can finding out, if realize by the accurate control of bracing wire to front-wheel direct of travel, when two bracing wires are installed the consistance of preset tensile force and synchronism most important, and its singularity is synchronously to complete two bracing wire pretightning forces measurements, control and steady job at production or testing ground, this task cannot be completed with common pulling force measuring and controlling equipment, the installment work of two bracing wires must have been carried out by specific installation.
As Fig. 1, 2, shown in 3, bracing wire tensile force controller of the present invention comprises a pedal 1, two cushion blocks 2, two feather keys 3, a base plate 5, a sensor stand 7, a M10 lock-screw 8, two M8 lock-screws 10, two power transmission screw rods 11, two sinuate handwheels 12, two copper backings 13, two guiding overcoats 14, two pulling force sensors 16, two stud bolts 17, two drill chucks 19, two sensor support blocks 20, a guide rail 22, a slide block 23, a limited support 25, two drift bolts 26, two active joints 27, two star hand wheels 28, two little pressing plates 30, two bolt connecting pins 31, two M10 swing bolts 32, a stainless steel hinge 33, four linings 35.
(1) folding equipment supporter is launched according to the following steps: the M10 lock-screw 8 unclamping lock sensor support 7, base plate 5, pedal 1, then the pedal 1 of ensconcing below base plate 5 to be pulled out and with base plate to connecting, again sensor stand 7 is erected, and its underpart is compressed by star hand wheel 28 with the little pressing plate 30 be arranged on base plate 5 front part sides M10 swing bolt 32, prevent from collapsing.
(2) be fixed on sensor stand 7 front surface by guide rail 22 with three M5X12 sunk screws 21, guide rail 22 is no longer arbitrarily dismantled from now on.
(3) two sensor support blocks 20 are installed one by one after guide rails assembling: sensor support block 20 is square from the side, rear portion machined the boss of flat key shape, featherway 43 on width and sensor stand 7 matches, and boss has a M8 tapped through hole; Boss is absorbed in the featherway 43 of both sides on sensor stand 7, is screwed into the M8 threaded hole boss with M8 lock-screw 10 from the riser back side of sensor stand 7, sensor support block 20 is clamped.
(4) sensor support block 20 is installed rear assembling two and is overlapped following part and pulling force sensor 16: first stud bolt 17 is connected to drill chuck 19 afterbody, locked with M12 serrated nut 18; Stud bolt 17 other end connects pulling force sensor 16 and uses M10 nut 15 locked; Pulling force sensor 16 rear portion connects power transmission screw rod 11, is ensureing under the prerequisite that the rectangle elongated slot bottom surface on power transmission screw rod 11 is parallel with pulling force sensor 16 bottom surface, with M10 nut 15 by locked for power transmission screw rod 11 on pulling force sensor 16; Then guiding overcoat 14 is inserted power transmission screw rod 11, then plug external diameter
aperture
the brass shim spacer 13 of thickness 3mm, sinuate handwheel 12 of finally screwing on.No longer arbitrarily break after this assembling parts.
(5) above-mentioned assembling parts good after, the open slot 42 on two symmetrical rectangular aperture groove alignment sensor supports 7 on guiding overcoat 14 is inserted, until pulling force sensor 16 bottom surface contacts with sensor support block 20 upper surface.
(6) slide block 23, limited support 25, two drift bolts 26 and two active joints 27 are assembled according to the following steps: first adding spring shim with two M5X25 socket cap screws 24 by the bottom outlet of two on slide block 23 is
counterbore and limited support 25 on two M5 threaded holes two parts are linked together, then two active joints 27 are inserted in the open slot of limited support 25 front part sides respectively, again with drift bolt 26 ecto-entad through the hole on the drift bolt mounting hole of limited support 25 front part sides and active joint 27, and to use
the aperture that drift bolt 26 head is inserted in split pin 36 prevents part from coming off.No longer arbitrarily break after this assembling parts.
(7) slide block 23 docks with guide rail 22: slide block 23 rear portion in parts previous step assembled is inserted in the T-shaped open slot of sensor stand 7 upper rail 22, so far, and device assembles end-of-job.
(8) bracing wire tensioning, observing and controlling and steady job is carried out below: first mobile device, makes active joint 27 front surface on equipment withstand stress surface, unclamp the M8 lock-screw 10 at sensor support block 20 rear portion, the centre-height of drill chuck 19 is adjusted to highly consistent with bracing wire, then M8 lock-screw 10 is locked with hand, bracing wire drill chuck 19 is clamped, by slightly adjusting the left and right position of equipment supporter, making drill chuck 19 axial line aim at bracing wire, and guaranteeing that active joint 27 front end face still accurately withstands product stress surface, open pulling force sensor 16 power supply, confirm that when bracing wire does not stress display pulling force is zero, then tramp with one's feet pedal 1, when preventing work, base plate 5 tilts, slowly to turn clockwise sinuate handwheel 12 with hand again, power transmission screw rod 11 starts to move linearly backward in guiding overcoat 14, thus make it drive pulling force sensor 16, drill chuck 19 moves linearly backward, strain bracing wire gradually, now pay close attention to the display on pulling force sensor 16, the sinuate handwheel 12 until stop the rotation after reaching preset pulling force, then lock with preprepared bracing wire the position that part is designing bracing wire is locked, its pulling force is made to remain steady state value, finally unclamp drill chuck 19 and equipment is removed.
If it is to be noted that tight two bracing wires need be dragged simultaneously, then must ensure that the centre distance between two rectangular aperture grooves 42 on designed sensor stand 7 is consistent with the centre distance of two bracing wires, namely ensure that the centre distance of two drill chucks 19 is consistent with the centre distance of two bracing wires, thus guarantee equipment drag strain at line time, that bracing wire is only subject to straight line, simple pulling force, the value of thrust that only in this way pulling force sensor 16 is monitored is only true, correct.Meanwhile, operationally to ensure the synchronous slow circumvolve clockwise of two sinuate handwheels 12, make two bracing wires unanimously stressed, accomplish equipment arranged on left and right sides stress balance, thus guarantee that bracing wire field engineering state meets designing requirement.
As the sensor stand 7 that Fig. 4, Fig. 5, Fig. 6 are the present embodiment, make with No. 45 medium carbon steel, after Tempering and Quenching, comprehensive mechanical performance is significantly improved, and hardness reaches 28-32HRC, plating hard chromium on surface, plays attractive in appearance, antirust, wear-resisting effect.Part is L shape from the side, and in 90 ° of angles, the long limit size 275mm of L shape, short side dimension 60mm, width is consistent with base plate 5, is 220mm, and long limit, minor face thickness are 10mm.Riser perpendicular to base plate 5 when sensor stand 7 erects is long, and the position of fitting with base plate 5 is short.Short position and base plate 5 front shape, consistent size, its both sides respectively machined the wide U-shaped open slot of a 20mm, when sensor stand 7 erects, align with base plate 5 front portion in U-shaped open slot position, and compressed by the little pressing plate 30 that star hand wheel 28 is installed on base plate 5 anterior M10 swing bolt 32, prevent from collapsing.The foot rear surface of riser machined the groove installing stainless steel hinge 33, have four M5 threaded holes in groove, the top of groove machined three M5 tapped through holes, and horizontal symmetrical distributes, for mounting guide rail 22, guide rail 22 is installed to after on sensor stand 7 and no longer dismantles.Have a M10 threaded hole 39 on three M5 tapped through hole tops, this hole is positioned in the longitudinal symmetrical center line of riser, and its effect there is provided the interim mounting points that equipment supporter launches rear M10 lock-screw 8, avoids part arbitrarily to put.The elongated hole 40 of the 85X12 of a longitudinal direction is had directly over M10 threaded hole 39, when sensor stand 7, base plate 5, pedal 1 are in folding collapsed state, M10 lock-screw 8 is locked by three through elongated hole 40, the M10 threaded hole 37 that screws on pedal 1 through the waist through hole 38 on base plate 5 again, and why being processed into elongated hole is to alleviate pts wt.Directly over elongated hole 40, laterally machined the mounting hole of a 100X30, make handle 41 and use.The rectangle lightening hole of a 100X30 is respectively machined in elongated hole 40 both sides, symmetrical.The featherway 43 of a 120X12.2 is longitudinally respectively machined outside each rectangle lightening hole, centre distance is 160mm, symmetrical, this position is used for sensor installation back-up block 20, sensor support block 20 rear portion machined flat key shape boss, and flat key shape boss is trapped in featherway 43 and makes sensor support block 20 can along the upper and lower slip of featherway 43.The rectangular aperture groove 42 of a 57.5X15.2 is longitudinally respectively machined, for installing guiding overcoat 14 directly over each featherway 43.
As the M10 lock-screw 8 that Fig. 7 is the present embodiment, make with No. 45 medium carbon steel, after Tempering and Quenching, comprehensive mechanical performance is significantly improved, and hardness reaches 28-32HRC, plating hard chromium on surface, plays attractive in appearance, antirust, wear-resisting effect.Part overall length 70mm, reach 20mm, handle height 20mm, handle diameters
this part be used for equipment supporter fold, pack up after sensor stand 7, base plate 5, pedal 1 is locked, because this part carries handle, and the cylindrical outer surface of handle has hatching knurling, so firmly very convenient, without the need to by other instrument just existing locked to equipment supporter of available have gentle hands pine nut.
As the M8 lock-screw 10 that Fig. 8 is the present embodiment, make with No. 45 medium carbon steel, after Tempering and Quenching, comprehensive mechanical performance is significantly improved, and hardness reaches 28-32HRC, plating hard chromium on surface, plays attractive in appearance, antirust, wear-resisting effect.Part overall length 55mm, reach 16mm, handle height 25mm, handle diameters
this part is used for being clamped by the sensor support block 20 being arranged on sensor stand 7 featherway 43 position from the back side and preventing from gliding, because this part carries handle, and the cylindrical outer surface of handle has hatching knurling, so firmly very convenient, without the need to by the just existing clamping to sensor support block 20 of available have gentle hands pine nut and unclamping of other instrument.
As the guide rail 22 that Fig. 9, Figure 10 are the present embodiment, make with high-strength alloy structural steel 30CrMnSiA, after Tempering and Quenching, comprehensive mechanical performance is significantly improved, and hardness reaches 28-32HRC, plating hard chromium on surface, plays attractive in appearance, antirust, wear-resisting effect.This part exterior contour is rectangle, long 123mm, wide 30mm, thickness 17mm.Part longitudinally machined a T-shaped open slot, wide 20.2mm bottom T-shaped open slot, the high 6.2mm in bottom, and T-shaped open slot A/F is 12.2mm, and opening thickness is 5mm, for inserting slide block 23.On the bottom surface of T-shaped open slot longitudinally symmetrical three
counterbore, to be fixed on the riser front surface of sensor stand 7 by guide rail 22 for installing M5X12 sunk screw 21.
As the slide block 23 that Figure 11, Figure 12 are the present embodiment, make with high-strength alloy structural steel 30CrMnSiA, after Tempering and Quenching, comprehensive mechanical performance is significantly improved, and hardness reaches 28-32HRC, plating hard chromium on surface, plays attractive in appearance, antirust, wear-resisting effect.This part length is consistent with guide rail 22, is 123mm, and transversal section is " work " font, and a wide width is 30mm, and thickness is 5mm, fits in this face and limited support 25 rear portion.A narrow width is 20mm, and thickness is 6mm, all than the T-shaped open slot bottom width on guide rail 22 and highly little 0.2mm, for inserting in the T-shaped open slot of guide rail 22.Wide, narrow junction width is 6mm, and thickness is 12mm.Slide block 23 longitudinally machined three kidney-shapeds and alleviates through hole, and symmetrical machining two bottom outlets are
's
counterbore, two M5X25 socket cap screws 24 by two bottom outlets are
's
the two links together by two M5 threaded holes that counterbore is screwed on limited support 25.
As the limited support 25 that Figure 13, Figure 14, Figure 15 are the present embodiment, make with high-strength alloy structural steel 30CrMnSiA, after Tempering and Quenching, comprehensive mechanical performance is significantly improved, and hardness reaches 28-32HRC, plating hard chromium on surface, plays attractive in appearance, antirust, wear-resisting effect.This External Shape is U-shaped, long 115mm, and rear portion width is consistent with slide block 23 length, is 123mm, anterior wide 131mm, and part height is 30mm.Rear portion and both sides all machined 12mm wide alleviate elongated hole, rear portion width direction symmetrical two M5 tapped through holes, for being connected with slide block 23.Part front part sides respectively machined a rectangular aperture groove, groove width 10mm, groove depth 32mm, for inserting active joint 27, and this position short transverse symmetrical center line machined installs drift bolt 26
through hole, active joint 27 side also machined installs drift bolt 26
through hole, when after active joint 27 insertion opening groove, drift bolt 26 will be limited in groove it, can only with drift bolt 26 axle center for ± 6 ° of small angle rotations are done in the center of circle.
As the drift bolt 26 that Figure 16 is the present embodiment, make with high-strength alloy structural steel 30CrMnSiA, after Tempering and Quenching, comprehensive mechanical performance is significantly improved, and hardness reaches 28-32HRC, plating hard chromium on surface, plays attractive in appearance, antirust, wear-resisting effect.Part overall length 25mm, drift bolt cap diameter
smooth linear section diameter
length 23mm.One is machined for installing in distance smooth linear section end face 3mm position
the through hole of split pin 36, through-hole diameter
As the active joint 27 that Figure 17 is the present embodiment, make with high-strength alloy structural steel 30CrMnSiA, after Tempering and Quenching, comprehensive mechanical performance is significantly improved, and hardness reaches 28-32HRC, plating hard chromium on surface, plays attractive in appearance, antirust, wear-resisting effect.Part height 30mm, thickness is 9.7mm, the little 0.3mm of Thickness Ratio limited support 25 front part sides rectangular aperture well width.Part side machined one
through hole, for inserting drift bolt 26.The product stress surface that withstands of active joint 27 front end face and ground angle are 45 ° in the present embodiment, and therefore, active joint 27 front end face also processes inclined-plane at 45 °, and during to ensure that equipment works, active joint 27 front end face contacts completely with stress surface.Because this part front end face is inclined-plane, therefore short from figure part bottom, upper minister, lower length is 45mm.
If Figure 18 is the slide block 23 of the present embodiment, limited support 25 and active joint 27 connection diagram, the type of attachment of each part clearly can be found out from figure.After active joint 27 is installed on limited support 25 by drift bolt 26,1.2mm gap is also had between the bottom surface of active joint 27 rear end face and open slot, therefore, active joint 27 can with drift bolt 26 axle center for rotation center does ± 6 ° of small angle rotations in groove.Why designing like this, is in order to when behind active joint 27 contact face, can auto modification angular error, accomplishes that front end face contacts completely with stress surface, thus makes to remain steady state (SS) in the equipment course of work.
Pulling force sensor 16 model of the present embodiment is BK-2A, and measurement range is 0-400N, and the data acquisition display apparatus on sensor is chargeable, without the need to providing cable power during work.
The drill chuck 19 chucking diameter scope of the present embodiment is
drill chuck 19 posterior center has a M12X1.25 fine thread hole.
The course of work of equipment of the present invention to the observing and controlling of bracing wire tensile force and locking is utilized to be:
(1) at production scene, folding equipment supporter is put on ground, unclamp the M10 lock-screw 8 of lock sensor support 7, base plate 5, pedal 1, then the pedal 1 of ensconcing below base plate 5 is pulled out, the boss of pedal 1 front end is inserted in the elongated slot of base plate 5 rear end face, and end face is docked closely.Again sensor stand 7 is erected, and by screwing star hand wheel 28, its underpart is compressed with the little pressing plate 30 be arranged in base plate 5 front part sides U-shaped open slot on M10 swing bolt 32, prevent from collapsing.M10 lock-screw 8 is screwed in the M10 threaded hole 39 of sensor stand 7 riser from the back side, avoids part arbitrarily to put.
(2) be fixed on sensor stand 7 front surface by guide rail 22 with three M5X12 sunk screws 21, guide rail 22 is no longer arbitrarily dismantled from now on.
(3) be absorbed in the featherway 43 of both sides on sensor stand 7 respectively by the flat key shape boss at two sensor support block 20 rear portions, plane upward.One piece is added again with M8 lock-screw 10
sensor support block 20 is clamped by the M8 threaded hole that flat shim 9 is screwed into boss from the riser back side of sensor stand 7.
(4) select two drill chucks 19, chucking diameter scope is
drill chuck 19 posterior center has a M12X1.25 fine thread hole.
(5) select two chargeable high precision pull sensors 16 of data acquisition display apparatus, profile is rectangle, and model is BK-2A, and observing and controlling scope is 0 ~ 400N, and respectively there is a M10X1.5 threaded hole at center, pulling force sensor 16 front and rear end.
(6) the two following part of cover and pulling force sensors 16 are assembled: first stud bolt 17 is connected to drill chuck 19 afterbody, locked with M12X1.25 serrated nut 18; Stud bolt 17 other end connects pulling force sensor 16, and locked with M10X1.5 nut 15; Pulling force sensor 16 rear portion connects power transmission screw rod 11, is ensureing under the prerequisite that the rectangle elongated slot bottom surface on power transmission screw rod 11 is parallel with pulling force sensor 16 bottom surface, with M10X1.5 nut 15 by locked for power transmission screw rod 11 on pulling force sensor 16; Then guiding overcoat 14 is inserted power transmission screw rod 11, then plug external diameter
aperture
the brass shim spacer 13 of thickness 3mm, sinuate handwheel 12 of finally screwing on.No longer arbitrarily break after above assembling parts.
(7), after the assembling parts in previous step is good, the open slot 42 on rectangular aperture groove alignment sensor support 7 symmetrical for two on guiding overcoat 14 is inserted, until pulling force sensor 16 bottom surface contacts with sensor support block 20 upper surface.
(8) slide block 23, limited support 25, two drift bolts 26, two active joints 27 and two are assembled according to the following steps
split pin 36: first adding spring shim with two M5X25 socket cap screws 24 by the bottom outlet of two on slide block 23 is
's
two parts link together by two M5 threaded holes on counterbore and limited support 25; Then two active joints 27 are inserted in the open slot of limited support 25 front part sides respectively, with drift bolt 26 ecto-entad through limited support 25 front part sides
on hole and active joint 27
hole, and use
drift bolt 26 head is inserted in split pin 36
aperture prevents part from coming off.Limited support 25 width selected in the present embodiment is consistent with product front-wheel support width.Because the angle in the present embodiment between product stress surface and ground is 45 °, so active joint 27 front end face selected is also in 45° angle.No longer arbitrarily break after above assembling parts is good.
(9) assembling parts of previous step good after, slide block 23 rear portion is inserted in the T-shaped open slot of sensor stand 7 upper rail 22.
(10) mobile device, makes on equipment two active joint 27 front surfaces withstand unmanned vehicle front-wheel support rear surface.
(11) unclamp the M8 lock-screw 10 at sensor support block 20 rear portion, the centre-height of two drill chucks 19 to be adjusted to respectively with on nose-gear
steel wire pull line height is consistent, then is locked with hand by M8 lock-screw 10.
(12) are two
steel wire pull line head, respectively with drill chuck clamping, by slightly adjusting the left and right position of equipment supporter, making drill chuck 19 axial line aim at bracing wire, and guaranteeing that active joint 27 front end face still accurately withstands front-wheel support rear surface.
(13) open pulling force sensor 16 power supply, confirm that display pulling force is zero when bracing wire does not stress.
(14) tramp with one's feet pedal 1, and when preventing work, base plate 5 tilts; Synchronously slowly to turn clockwise sinuate handwheel 12 with two hands, now power transmission screw rod 11 starts to move linearly backward in guiding overcoat 14 again, makes that power transmission screw rod 11 drives pulling force sensor 16, drill chuck 19 moves linearly backward, thus strains gradually
steel wire pull line, until two sinuate handwheels 12 that stop the rotation after reaching preset pulling force 105N simultaneously.The pulling force displayed value must paying close attention to two pulling force sensors 16 in taut wire bracing wire process the moment will be consistent, to guarantee that bracing wire field engineering state meets designing requirement.
(15) are locked respectively by two steel wire pull line in the position designed with preprepared bracing wire locking part, make bracing wire tensile force remain steady state value, then unclamp two drill chucks 19 respectively and removed by equipment.
It should be noted that, for different product, following design, request for utilization should be taken into full account: (one) is if need drag tight two bracing wires simultaneously, then must ensure that the centre distance between two rectangular aperture grooves 42 on designed sensor stand 7 is consistent with the centre distance of two bracing wires, namely ensure that the centre distance of two drill chucks 19 is consistent with the centre distance of two bracing wires, thus guarantee equipment drag strain at line time, that bracing wire is only subject to straight line, simple pulling force, the value of thrust that only in this way pulling force sensor 16 is monitored is only true, correct.(2) for the special bracing wire tensile force controller that different product utilizes the technology of the present invention to design, will according to concrete conditions such as the position of the centre distance between the position of bracing wire, the bracing wire distance height on ground, bracing wire, angle between bracing wire and ground, stress surface and shapes, come the relevant linear dimension on Reasonable adjustment support of the present invention or angle, to ensure that equipment meets the specific requirement to extruded object observing and controlling and installation on product.(3) for different product use the present invention before, according to bracing wire distance the height on ground, the position of stress point and profile design, select different limited supports and active joint.(4) pulling force sensor 16 of the different size that applicable product uses is chosen for different pulling tension requirements, to meet product observing and controlling, installation requirements.(5) drill chuck 19 or the unit clamp of the different size that applicable product uses is chosen for the difference of extruded object, to meet product observing and controlling, installation requirements.
Above content is in conjunction with concrete preferred case study on implementation detailed description made for the present invention, can not assert that the present invention specifically implements to be only limitted to these explanations.For those skilled in the art of the present invention; without departing from the inventive concept of the premise; to each building block of the present invention, position relationship and connected mode when not changing its function, the equivalent transformation carried out or alternative, also falls into protection scope of the present invention.
The undocumented technology of the present invention belongs to techniques well known.
Claims (10)
1. a bracing wire tensile force controller, it is characterized in that: comprise bracing wire observing and controlling mechanism, force mechanism, sensor support block and support, described support comprises base and wall, it is L font structure that described base and described wall form cross section, described bracing wire observing and controlling mechanism is installed on the upper end of described wall, described force mechanism is used for carrying out stressed support when described bracing wire observing and controlling institution staff, it comprises guide rail, slide block, limited support and active joint, the position on the lower side, middle part that described guide rail level is arranged on described wall, for connecting described slide block, described slide block and described limited support link together, described active joint is arranged on described limited support, the front end face of described active joint is the shape coordinating stilt stress surface.
2. bracing wire tensile force controller according to claim 1, is characterized in that: have bracing wire observing and controlling mechanism described in two groups, adopt symmetrical layout, implements pulling force observing and controlling and installation can complete simultaneously to two extruded objects.
3. bracing wire tensile force controller according to claim 2, it is characterized in that: described wall and described base stainless steel gemel connection, can open with folding, described wall is platy structure, there are in described wall upper end symmetrical two described square type open slots, two described open slots are configured according to the mode that centre distance is between the two consistent with the centre distance of two bracing wires that will strain, there is in the below of two described open slots the featherway of a longitudinal strip respectively, described open slot and described featherway are all for installing described bracing wire observing and controlling mechanism, position on the lower side in the middle part of described wall is processed with three tapped through holes, horizontal symmetrical distributes, for installing described guide rail.
4. bracing wire tensile force controller according to claim 3, it is characterized in that: described guide rail exterior contour is rectangle, be processed with a T-shaped open slot along its length, for inserting described slide block, the bottom surface of described T-shaped open slot is symmetrically distributed with along its length three counterbores, utilizes sunk screw to be fixed on the front surface of described wall by described guide rail.
5. bracing wire tensile force controller according to claim 4, it is characterized in that: the length of described slide block is identical with described guide rail, its transversal section is " work " font, fits in its wide end face and described limited support rear portion.Its narrow one end is for inserting in the T-shaped open slot of described guide rail.Described slide block is processed with three kidney-shapeds along its length and alleviates through hole, and is symmetrily processed with two counterbores, utilizes socket cap screw to be screwed into described limited support by two counterbores, and the two is linked together.
6. bracing wire tensile force controller according to claim 5, it is characterized in that: the profile of described limited support is U-shaped, all be processed with at its rear portion and both sides and alleviate elongated hole, its rear portion Width is symmetrically distributed with two tapped through holes, for being connected with described slide block.Its two forequarter respectively machined a rectangular aperture groove, for inserting described active joint, and the through hole be respectively processed with in two described open slot short transverse symmetrical center line for installing drift bolt, the side of described active joint is also processed with for installing described drift bolt through hole, described active joint inserts described open slot in the mode leaving gap between the bottom surface of end face and described open slot thereafter, and utilize described drift bolt to be limited in described open slot, thus enable described active joint with the axle center of described drift bolt for rotation center does small angle rotation in described open slot.
7. the bracing wire tensile force controller according to any one of claim 1 ~ 6, it is characterized in that: described active joint high-strength alloy structural steel 30CrMnSiA makes, through Tempering and Quenching, hardness reaches 28-32HRC, plating hard chromium on surface, the front end face of described active joint is 45 ° of inclined-planes.
8. the bracing wire tensile force controller according to any one of claim 1 ~ 6, is characterized in that: described guide rail high-strength alloy structural steel 30CrMnSiA makes, and through Tempering and Quenching, hardness reaches 28-32HRC, plating hard chromium on surface.
9. the bracing wire tensile force controller according to any one of claim 1 ~ 6, is characterized in that: described slide block high-strength alloy structural steel 30CrMnSiA makes, and through Tempering and Quenching, hardness reaches 28-32HRC, plating hard chromium on surface.
10. the bracing wire tensile force controller according to any one of claim 1 ~ 6, is characterized in that: described limited support high-strength alloy structural steel 30CrMnSiA makes, and through Tempering and Quenching, hardness reaches 28-32HRC, plating hard chromium on surface.
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| CN104458419B (en) | 2017-06-16 |
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