CN204043832U - Watchband-shaped contactor installs device for measuring force - Google Patents
Watchband-shaped contactor installs device for measuring force Download PDFInfo
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- CN204043832U CN204043832U CN201420342697.6U CN201420342697U CN204043832U CN 204043832 U CN204043832 U CN 204043832U CN 201420342697 U CN201420342697 U CN 201420342697U CN 204043832 U CN204043832 U CN 204043832U
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- pull bar
- watchband
- press
- shaped contactor
- support
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- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
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- 230000002950 deficient Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Abstract
The utility model discloses watchband-shaped contactor and device for measuring force is installed, comprise support, drive unit, pressure transducer and for by with watchband-shaped contactor conducting rod press-in conductive seat press-fit parts, support is provided with the pallet for vertically fixing conductive seat, on support, guiding is equipped with the pull bar vertically extended, drive unit to be fixed on support and pull bar can be driven to move up and down, press-fiting parts to be fixed on pull bar and to move up and down with pull bar, pull bar being connected with for measuring pull bar driving the pressure transducer press-fiting suffered frictional resistance when parts press-fit watchband-shaped contactor.This device press-fits by pull bar drive the conducting rod press-in conductive seat that parts will be equipped with watchband-shaped contactor, alleviate the labor capacity of manual assembly, the pressure transducer that pull bar connects simultaneously can detect the friction force between watchband-shaped contactor and conductive seat at any time, effectively can measure and control the friction force between watchband-shaped contactor and conductive seat, improve assembly quality.
Description
Technical field
The utility model relates to watchband-shaped contactor and installs device for measuring force.
Background technology
Watchband-shaped contactor is a very important part in primary cut-out conduction built-up member, as Figure 1-3, its principle of work is that electric current is passed to conductive seat 2 from conducting rod 3 by watchband-shaped contactor 1 by electric current, watchband-shaped contactor 1 is band-like part and can be rolled into ring-band shape, its surface punching has many elastic bumps, the assembling mode of conduction built-up member watchband-shaped contactor 1 is rolled into ring-band shape to be inserted in the annular groove of conducting rod 3, be pressed in the hole of conductive seat 2 again, under the effect of elastic bumps, watchband-shaped contactor 1 is close to the inwall in the hole of conductive seat 2 also slidably, owing to there is certain pressure between elastic bumps and the hole wall of conductive seat 2, conducting rod 3 and conductive seat 2 require to have certain friction force when relative movement.
At present, owing to there is no a set of assembly tooling being exclusively used in assembling watchband-shaped contactor, general employing manual assembly, the rotating shaft band moving conductive rod generally adopting torque spanner to pull to be connected with conducting rod to the friction force between watchband-shaped contactor and conductive seat moves and detects friction force, like this owing to there being other parts to link, add friction force, measure just inaccurate, also to convert, therefore manual assembly cannot be measured accurately the friction force between watchband-shaped contactor and conductive seat and control, in addition, by hand conducting rod is pressed into conductive seat during manual assembly, not only labour intensity is large but also be easy to by conducting rod dress partially, watchband-shaped contactor is caused to contact with conductive seat uneven, and then cause the resistance value between conducting rod and conductive seat not meet designing requirement, product assembly quality is defective.
Utility model content
The purpose of this utility model is to provide watchband-shaped contactor to install device for measuring force, to solve watchband-shaped contactor assembling inconvenience, cannot carry out the accurate problem measured to the friction force between watchband-shaped contactor and conductive seat.
In order to solve the problem, the watchband-shaped contactor that the utility model provides is installed device for measuring force and is adopted following technical scheme:
Watchband-shaped contactor installs device for measuring force, comprise support, drive unit, pressure transducer and for by with watchband-shaped contactor conducting rod press-in conductive seat press-fit parts, described support is provided with the pallet for vertically fixing conductive seat, on described support, guiding is equipped with the pull bar vertically extended, described drive unit to be fixed on support and pull bar can be driven to move up and down, describedly press-fit parts and to be fixed on pull bar and to move up and down with pull bar, described pull bar is connected with for measuring pull bar driving the pressure transducer press-fiting suffered frictional resistance when parts press-fit watchband-shaped contactor.
Described pressure transducer is connected with force limiting device, and described force limiting device is provided with and is electrically connected and the travel switch of shutting down for accessory drive with drive unit.
Described support is provided with in the correspondence of two stroke limit position places up and down press-fiting parts the limit switch preventing the pull bar motion excess of stroke, accessory drive from shutting down, described in press-fit parts and be provided with the switch contact coordinated with limit switch.
Describedly press-fit parts and comprise top and be pressed in the pressure head part of conducting rod upper end and be fixed on holder on pull bar, described pressure head part is secured by bolts on holder, described holder offers the through hole coordinated that to coincide with pull bar diameter, and fixed seating to be located on pull bar and to be bolted.
Described pallet to be secured by bolts on support and adjustable upper-lower position.
Described support is provided with the arc wheel of at least two groups for guide draw bar.
Described drive unit comprises reducing motor, and reducing motor is by pinion and rack transmission and drive pull bar to move up and down.
Described drive unit comprises reducing motor, and reducing motor is by pinion and rack transmission and drive pull bar to move up and down, and described force limiting device is fixed on tooth bar.
Watchband-shaped contactor of the present utility model is installed device for measuring force and is fixed by conductive seat by the pallet on support, drive pull bar drive to press-fit parts by drive unit and conducting rod is pressed into conductive seat, simultaneously pull bar drive press-fit parts conducting rod is pressed into conductive seat time, the pressure transducer that pull bar connects can be measured at any time and press-fit that parts are suffered when pressing conducting rod press-fits resistance, thus determines the friction force between watchband-shaped contactor and conductive seat.
Further, pressure transducer is connected with force limiting device, this force limiting device is provided with the travel switch that accessory drive is shut down, if the frictional resistance be subject to when press-fiting parts at pressing conducting rod is greater than designing requirement value, pressure transducer effect is to force limiting device, the travel switch Closed control drive unit of force limiting device is shut down, protection pressure transducer; In addition; the relevant position press-fiting parts and support is also provided with limit switch; this limit switch is connected with drive unit and the shutdown of energy accessory drive; when misoperation or other reasons press-fit component movement exceed stroke time; limit switch is depressed, thus makes drive unit stoppage protection press-fit parts.
Accompanying drawing explanation
Fig. 1 is isolating switch conducting rod and conductive seat assembling schematic diagram;
Fig. 2 is isolating switch conducting rod and conducting rod schematic diagram when having assembled;
Fig. 3 is a kind of example structure schematic diagram that the utility model watchband-shaped contactor installs device for measuring force;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the structural representation of Fig. 3 medium-height trestle;
Fig. 6 is the left view of Fig. 5;
Fig. 7 is the structural representation press-fiting parts in Fig. 3;
Fig. 8 is the structural representation of arc wheel in Fig. 3;
Fig. 9 is the structural representation of force limiting device in Fig. 3;
Figure 10 is the front view of Fig. 9;
Figure 11 is the left view of Fig. 9;
Figure 12 is a kind of structural representation of pressure head.
Embodiment
Watchband-shaped contactor of the present utility model installs a kind of embodiment of device for measuring force: as shown in Fig. 4-11, comprise the support 4 being fixed with reducing motor 9, support 4 comprises the side plate that two relative spacings are arranged, between the biside plate of support 4, guiding is equipped with pull bar 6, pull bar 6 is extended in above-below direction and is led by two groups of arc wheels 5, arc wheel 5 is fixed on support 4 by bearing, arc wheel 5 guide draw bar 6 reduces the measuring error of pressure transducer 16, support 4 is provided with pallet 8 for fixing conductive seat 2 with pull bar 6 at a distance of certain level distance, pallet 8 is by bolt 13, 14 middle parts being fixed on support 4, bolt 13, 14 are assemblied in two installation elongated holes vertically extended, pallet 8 can pass through adjusting bolt 13, 14 adjust at above-below direction in the fixed position of installing in elongated hole, the upper end of pull bar 6 is fixed with and press-fits parts 18 for what press conducting rod 3, press-fit parts 18 to be made up of holder and pressure head, holder 20 offers the through hole coordinated that to coincide with pull bar 6 external diameter, holder 20 to be sheathed on pull bar 6 and to be bolted, pressure head 19 is bolted on holder 20 and its one end when assembling watchband-shaped contactor by being pressed on conducting rod 3, in the corresponding limit switch 12 be provided with for preventing the motion excess of stroke in two stroke limit position places press-fiting parts 18 and move up and down on support 4, press-fit parts 18 and be provided with the switch contact coordinated with limit switch 12, limit switch 12 and reducing motor 9 control linkage, press-fit parts 18 with pull bar 6 move upward exceed stroke time, limit switch 12 is touched and reducing motor 9 is shut down, thus ensure to press-fit parts 18 and can not the upper end of the excess of stroke and support 4 collide, the lower end of pull bar 6 is fixed with pressure transducer 16, pressure transducer 16 is connected with the instrument 11 for showing frictional resistance suffered by pull bar 6 by signal wire 10, instrument 11 is provided with and controls the high-speed switch that moves up and down of pull bar and point driving switch, pressure transducer 16 lower end is connected with force limiting device 17, the cylindrical shell 24 of force limiting device 17 is fixedly connected with by screw with the tooth bar 27 in pinion and rack, reducing motor 9 drives tooth bar to move up and down thus drives force limiting device 17 to move up and down, force limiting device 17 drives connected pressure transducer 16 to move, pressure transducer 16 drives again the parts 18 that press-fit fixing on pull bar 6 and pull bar 6 to move.
Turn edge in cylindrical shell 24 upper end of force limiting device 17 is provided with, in cylindrical shell 24, guiding is equipped with the up-small and down-big notch cuttype guide rod 21 be mated, guide rod 21 upper end path section passes in cylindrical shell 24 and turns edge and be connected with pressure transducer 16, the path section periphery, upper end of guide rod 21 is provided with external thread section and stretches out cylindrical shell 24 place in guide rod 21 and is installed with setting nut 22, setting nut 22 contacts with turning edge in cylindrical shell 24 upper end, large footpath, the lower end section of guide rod 21 has block step 26, the path section of guide rod 21 in cylindrical shell 24 is arranged with force-limit spring 23, on the top, upper end of force-limit spring 23 is pressed in cylindrical shell 24 and turns edge, top, lower end is pressed on the block step 26 of guide rod 21 lower end, guide rod 21 can be made to move up relative to cylindrical shell 24 by regulating setting nut 22 thus compress the pre-pressing force that force-limit spring 23 can set force-limit spring 23, and from the index dial that cylindrical shell 24 outer wall is provided with, show the size of pre-pressing force, on block step 26, radial direction is fitted with slide block 25, cylindrical shell 24 offers and passes barrel and the elongated slot of stepping down slided up and down with guide rod 21 for slide block 25, the outer wall of cylindrical shell 24 is provided with the travel switch 7 with reducing motor 9 control linkage, slide block 25 passes barrel and hinged with travel switch 7.
Press-fit parts 18 with pull bar 6 move downward press-fit conducting rod 3 time, if the friction force that pull bar 6 is subject to is within the scope of the force value allowable of pressure transducer 16, then there is not relative movement due to the pre-pressing force of force-limit spring 23 in the guide rod 21 of force limiting device 17 and cylindrical shell 24, and now guide rod 21 moves with cylindrical shell 24; If the friction force that pull bar 6 is subject to is greater than the force value allowable of pressure transducer 16; then the speed that moves downward of pull bar 6 is slow compared with the movement velocity of tooth bar; now the cylindrical shell 24 of force limiting device 17 continues to move down with tooth bar; then there is relative movement in cylindrical shell 24 and guide rod 21; force-limit spring 23 is compressed; thus slide block 25 promotes travel switch 7 makes reducing motor 9 shut down, and then ensure that pressure transducer 16 can not damage because pull bar 6 is subject to exceeding the friction force of force value allowable.
Watchband-shaped contactor of the present utility model is installed in device for measuring force embodiment, and when reducing motor 9 rotates, driven gear rotates, and wheel and rack engagement band carry-over bar moves, and is driven pull bar 6 by force limiting device 17 and pressure transducer 16 and press-fited parts 18 and move; When press-fiting parts 18 and meeting obstructions, pressure transducer 16 will be responded in stressed generation, passes to instrument 11 show force value by signal wire 10; Force limiting device 17 can protect pressure transducer 16 normally to run when dynamometry, when force limiting device 17 be subject to press-fit the force value allowable of resistance overpressure sensor 16 time signal will be delivered to reducing motor 9, make it out of service, to protect pressure transducer 16; When misoperation or other reasons make to press-fit parts 18 exceed stroke time, limit switch 12 is touched, and makes reducing motor 9 out of service and plays a protective role.
Watchband-shaped contactor of the present utility model installs device for measuring force in use, conductive seat 2 is fixed on pallet 8, conducting rod 3 is inserted in the hole of conductive seat 2, and keep fingertip annular groove to leak outside, watchband-shaped contactor 1 is twisted in the fingertip annular groove of conducting rod 3, start high-speed switch to make to press-fit parts fast approaching conducting rod 3, startup point driving switch makes to press-fit parts 18 and presses conducting rod 3 and enter with watchband-shaped contactor 1 in the hole of conductive seat 2, load onto Article 2 successively, Article 3 watchband-shaped contactor, adopt said method until all load, finally, starting switch makes conducting rod 3 in the hole of conductive seat 2, move up and down friction force between the hole measuring watchband-shaped contactor 1 and conductive seat 2, the numerical value of friction force is shown by instrument.Because conducting rod 3 can only can not be with moving conductive rod 3 to move up to pressing down by the pressure head 19 shown in Fig. 7, pressure head 191 as shown in figure 12 can be changed when needing conducting rod 3 to pump, the U-shaped hook 28 of pressure head 191 lower end can be with moving conductive rod 3 to move upward, and the protruding briquetting 29 of pressure head 191 upper end can press conducting rod 3 and move down.
In above-described embodiment, pressure transducer is connected with force limiting device, in other embodiments, force limiting device can not be installed and be directly controlled motion and the stopping of pull bar by manual observation.
In above-described embodiment, press-fit limit switch parts being equipped with and preventing the excess of stroke, in other embodiments, limit switch can also be located at the desired location on pull bar, or can not install limit switch and directly by the movement position of manual control pull bar.
In above-described embodiment, reducing motor is by pinion and rack transmission and drive pull bar to move up and down, and in other embodiments, rotation can be converted into tangential movement by slider-crank mechanism and drive pull bar to move up and down by reducing motor.
In above-described embodiment, reducing motor is located at below support, reducing motor, pinion and rack, force limiting device and pressure transducer are connected successively and are connected with the lower end of pull bar by pressure transducer, in other embodiments, reducing motor, pinion and rack, force limiting device and pressure transducer can connect successively and be located at mid-stent or top.
Claims (8)
1. watchband-shaped contactor installs device for measuring force, it is characterized in that, comprise support, drive unit, pressure transducer and for by with watchband-shaped contactor conducting rod press-in conductive seat press-fit parts, described support is provided with the pallet for vertically fixing conductive seat, on described support, guiding is equipped with the pull bar vertically extended, described drive unit to be fixed on support and pull bar can be driven to move up and down, describedly press-fit parts and to be fixed on pull bar and to move up and down with pull bar, described pull bar is connected with for measuring pull bar driving the pressure transducer press-fiting suffered frictional resistance when parts press-fit watchband-shaped contactor.
2. watchband-shaped contactor according to claim 1 installs device for measuring force, and it is characterized in that, described pressure transducer is connected with force limiting device, described force limiting device is provided with and is electrically connected and the travel switch of shutting down for accessory drive with drive unit.
3. watchband-shaped contactor according to claim 1 installs device for measuring force; it is characterized in that; described support is provided with in the correspondence of two stroke limit position places up and down press-fiting parts the limit switch preventing the pull bar motion excess of stroke, accessory drive from shutting down, described in press-fit parts and be provided with the switch contact coordinated with limit switch.
4. watchband-shaped contactor according to claim 1 installs device for measuring force, it is characterized in that, describedly press-fit parts and comprise top and be pressed in the pressure head part of conducting rod upper end and be fixed on holder on pull bar, described pressure head part is secured by bolts on holder, described holder offers the through hole coordinated that to coincide with pull bar diameter, and fixed seating to be located on pull bar and to be bolted.
5. watchband-shaped contactor according to claim 1 installs device for measuring force, it is characterized in that, described pallet to be secured by bolts on support and adjustable upper-lower position.
6. watchband-shaped contactor according to claim 1 installs device for measuring force, and it is characterized in that, described support is provided with the arc wheel of at least two groups for guide draw bar.
7. watchband-shaped contactor according to claim 3-6 any one installs device for measuring force, and it is characterized in that, described drive unit comprises reducing motor, and reducing motor is by pinion and rack transmission and drive pull bar to move up and down.
8. watchband-shaped contactor according to claim 2 installs device for measuring force, and it is characterized in that, described drive unit comprises reducing motor, and reducing motor is by pinion and rack transmission and drive pull bar to move up and down, and described force limiting device is fixed on tooth bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420342697.6U CN204043832U (en) | 2014-06-24 | 2014-06-24 | Watchband-shaped contactor installs device for measuring force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420342697.6U CN204043832U (en) | 2014-06-24 | 2014-06-24 | Watchband-shaped contactor installs device for measuring force |
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| Publication Number | Publication Date |
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| CN204043832U true CN204043832U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420342697.6U Active CN204043832U (en) | 2014-06-24 | 2014-06-24 | Watchband-shaped contactor installs device for measuring force |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122021A (en) * | 2014-06-24 | 2014-10-29 | 国家电网公司 | Mounting and force measuring device of contact strip |
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2014
- 2014-06-24 CN CN201420342697.6U patent/CN204043832U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122021A (en) * | 2014-06-24 | 2014-10-29 | 国家电网公司 | Mounting and force measuring device of contact strip |
| CN104122021B (en) * | 2014-06-24 | 2017-06-16 | 国家电网公司 | A kind of watchband-shaped contactor installs device for measuring force |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |