WO2014038344A1 - Dispositif de commande de mouvement avant/arrière de type à chaîne d'engrènement - Google Patents

Dispositif de commande de mouvement avant/arrière de type à chaîne d'engrènement Download PDF

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Publication number
WO2014038344A1
WO2014038344A1 PCT/JP2013/071548 JP2013071548W WO2014038344A1 WO 2014038344 A1 WO2014038344 A1 WO 2014038344A1 JP 2013071548 W JP2013071548 W JP 2013071548W WO 2014038344 A1 WO2014038344 A1 WO 2014038344A1
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WIPO (PCT)
Prior art keywords
advance
retreat
meshing
slide
advancing
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Application number
PCT/JP2013/071548
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English (en)
Japanese (ja)
Inventor
佐治　智之
和田　亨
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株式会社 椿本チエイン
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Publication of WO2014038344A1 publication Critical patent/WO2014038344A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G13/00—Chains
    • F16G13/18—Chains having special overall characteristics
    • F16G13/20—Chains having special overall characteristics stiff; Push-pull chains
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
    • F16H19/06—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising flexible members, e.g. an endless flexible member
    • F16H19/0636—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising flexible members, e.g. an endless flexible member the flexible member being a non-buckling chain

Definitions

  • the present invention is used for manufacturing equipment in various manufacturing fields, transport equipment in the transportation field, nursing care equipment in the medical and welfare field, stage equipment in the art field, etc. It relates to an actuating device.
  • a meshing chain type advance / retreat operation device including an advance / retreat guide mechanism for guiding is known (for example, Patent Document 1 to Patent Document 3). Hereinafter, it is simply referred to as an advance / retreat operation device.
  • the advance / retreat guide mechanism of the advance / retreat operation device has a so-called multistage pantograph structure in which a plurality of X-shaped swingable arms are arranged continuously in the advance / retreat direction. have. And one end of the advancing / retreating direction of the multistage pantograph is connected to the base, and the other end is connected to a lifting table as an actuated body.
  • the advance / retreat guide mechanism of the advance / retreat operation device is attached to one long guide pole extending along the advance / retreat direction and the tip of the meshing chain.
  • a pair of guide rollers provided on a lifting table as an actuated body. And a pair of guide roller is comprised so that it may move to an advance / retreat direction, pinching
  • the advance / retreat guide mechanism of the advance / retreat operation device in the conventional third aspect described in Patent Document 3 has a swingable bending arm. One end of the bending arm is connected to the base, and the other end is connected to a lifting table as an actuated body.
  • the advance / retreat guide mechanism in the conventional first aspect has a multi-stage pantograph structure, there are many places where the arms are swingably connected, and the influence of play at these places is large. Therefore, for example, when the advancing / retreating direction is a horizontal direction, the pantograph is hung down so that a portion of the pantograph located on the advancing side in the advancing / retreating direction bows down to stably guide the actuated body. There was a problem that I could not.
  • the conventional advance / retreat guide mechanism in the second aspect is a structure in which a pair of guide rollers move in the advance / retreat direction while holding the guide pole. Therefore, troubles such as interference between the guide rollers occur, the problem that the actuated body cannot be stably guided, or the guide pole needs to be elongated according to the stroke of the actuated object, There was a problem that the structure was enlarged.
  • the conventional advance / retreat guide mechanism in the third aspect has a structure having a swingable bending arm. For this reason, there is a problem that the influence of the play at the pivotally connected portion of the arm is increased by the long arm, and the actuated body cannot be stably guided.
  • FIGS. 9A and 9B a configuration of the advance / retreat operation device 700 shown in FIGS. 9A and 9B can be considered.
  • FIG. 9A is a side view showing when the improved conventional advance / retreat operation device 700 is retracted
  • FIG. 9B is a side view showing the advance / retreat operation device 700 when it is advanced.
  • the advance / retreat operation device 700 expands and contracts along the advance / retreat direction S of the actuated body 710 and moves the actuated body 710 in the advance / retreat direction S with respect to the base 720. It has an advance / retreat guide mechanism 730 that guides along and a pair of meshing chains that transmit the power of a drive motor (not shown) to the actuated body 710 to advance and retract the actuated body 710.
  • the base 720 includes a chain storage portion 721 that stores the disengaged portions of the pair of meshing chains, and a drive sprocket (not shown) that transmits the power of the drive motor to the pair of meshing chains.
  • the advance / retreat guide mechanism 730 has a so-called cylindrical telescopic structure, and includes a first cylinder part 731, a second cylinder part 732, a third cylinder part 733, and a fourth cylinder part 734.
  • the fourth cylinder part 734 is slidable so as to enter and exit the inside of the third cylinder part 733
  • the third cylinder part 733 is slidable so as to enter and exit the inside of the second cylinder part 732
  • the cylinder part 732 is slidable so as to enter and exit the first cylinder part 731.
  • the first cylinder portion 731 is fixed relatively to the base 720.
  • the advance / retreat guide mechanism 730 has a cylindrical telescopic structure, when the meshing portion 740G of the meshing chain moves from the position of FIG. 9A to the position of FIG. 9B, the advance / retreat guide mechanism 730 and the meshing chain The interval with the meshing portion 740G changes.
  • the distance between the advance / retreat guide mechanism 730 and the meshing part 740G is the distance Ll between the first cylindrical part 731 and the meshing part 740G.
  • the interval between the advance / retreat guide mechanism 730 and the meshing portion 740G changes to the interval L2 between the fourth tube portion 734 and the meshing portion 740G.
  • the present invention has been made to solve the above-described problems, and an object of the present invention is a meshing chain type having a meshing portion of a meshing chain and an advance / retreat guide mechanism that stably guides an actuated body.
  • the object is to provide an advancing / retracting device.
  • the advancing / retreating device in the first aspect of the present application includes a pair of meshing chains that transmit power to the actuated body to advance and retract the actuated body, and extend and retract along the advancing / retreating direction of the actuated body. And a forward / backward guide mechanism for guiding the base along the forward / backward direction.
  • the advance / retreat guide mechanism has a plurality of slide portions that are juxtaposed along the juxtaposed direction and are relatively slidable in the advance / retreat direction, and the juxtaposed direction of the plurality of slide portions and the advance / retreat direction Are crossed, and the slide portions are provided in contact with each other along the juxtaposed direction.
  • a retracting end slide portion located on the retract side in the advance / retreat direction is fixed relative to the base among the plurality of slide portions.
  • the advance end slide portion located on the advance side in the advance / retreat direction is arranged closer to the meshing chain than the retracting end slide portion along the parallel arrangement direction. And connected to the advancing end in the advancing / retreating direction of the meshed portion of the actuated body or the meshing chain, and fixed relative to the advancing end in the advancing / retreating direction of the meshing portion.
  • relatively fixed means that two objects are fixed to each other so that the positional relationship does not change relatively, and one object is directly relative to the other object. It may be fixed or indirectly fixed.
  • the distance between the advancing end slide part and the advancing side of the meshing part of the meshing chain is always the same in the entire range of the stroke in which the actuated body advances and retreats along the advancing and retreating direction.
  • the load resistance with respect to the load that the advancing end portion of the meshing portion of the chain receives from a conveyed object or the like is always constant over the entire stroke range. Therefore, the advance / retreat guide mechanism can stably guide the meshing portion of the meshing chain and the actuated body.
  • the retraction side slide portion of the retraction side slide portion located on the retreat side in the advance / retreat direction among the plurality of slide portions is the retraction side slide portion of the plurality of slide portions.
  • the cross-sectional area of the advancing side slide portion located on the advancing side in the advancing / retreating direction is set larger than the cross-sectional area viewed from the advancing / retreating direction.
  • the load resistance on the retreat side where the load acts more than the advancement side increases, but in the second aspect, the cross-sectional areas of the plurality of slide portions have the same configuration. In comparison, a decrease in rigidity of the advance / retreat guide mechanism can be suppressed.
  • the retraction side slide portion located on the retreat side in the advance / retreat direction among the plurality of slide portions is located closer to the advance side in the advance / retreat direction than the retreat side slide portion among the plurality of slide portions. It is made of a material having higher rigidity than the material of the advancing side slide portion.
  • the number of the plurality of slide portions is three or more, including an intermediate slide portion between the retracting end slide portion and the advance end slide portion, and the advance side in the advance / retreat direction of the intermediate slide portion
  • An arm extending toward the meshing chain, and an engagement provided at the tip of the arm, which engages with the meshing portion of the meshing chain and is slidable in the advancing and retreating direction with respect to the meshing portion of the meshing chain. Department.
  • the engaging portion of the arm engages with the intermediate portion of the meshing portion of the meshing chain with the meshing portion of the meshing chain advanced, the meshing portion of the meshing chain and the actuated body can be guided more stably. Can do. Further, when the meshing portion of the meshing chain is retracted, the arm of the intermediate slide portion reaches the vicinity of the base in a state where the arm of the intermediate slide portion is located rearward in the traveling direction. The advancing / retreating guide mechanism can be smoothly reduced without obstruction.
  • the perspective view which shows the advance / retreat operation apparatus at the time of advance regarding the first embodiment of the present invention is a disassembled perspective view of a pair of meshing chains used for the advance / retreat operation device of FIG. 1, and (B) is a perspective view of a pair of meshing chains.
  • (A) is a front view at the time of retreating of the advance / retreat operation device of FIG. 1
  • (B) is a side view at the time of retraction of the advance / retreat operation device of FIG.
  • the side view at the time of advance of the advance / retreat operation device of FIG. The front view which shows the advancing / retreating operation apparatus of 2nd Embodiment.
  • (A) is a front view of the advance / retreat operation device during retraction according to the fourth embodiment
  • (B) is a side view of the advance / retreat operation device during retraction according to the fourth embodiment.
  • (A), (B) is a side view which shows the time of retraction
  • FIG. 1 is a perspective view showing the advance / retreat operation device 100 at the time of advancement
  • FIG. 2 (A) is an exploded perspective view of a part of the pair of meshing chains 140 of the advance / retreat operation device 100
  • (B) is a perspective view of a pair of meshing chains 140 of the advance / retreat operation device 100.
  • 3A is a front view of the advance / retreat operation device 100 during retraction
  • FIG. 3B is a side view as viewed from the reference numeral 3B in FIG. 3A
  • FIG. It is the side view seen from the code 4 inside.
  • the advance / retreat operation device 100 includes a pair of meshing chains 140 and an advance / retreat guide mechanism 130.
  • the pair of meshing chains 140 transmits the power of a drive motor (not shown) to the actuated body 110 to advance and retract the actuated body 110.
  • the advance / retreat guide mechanism 130 expands and contracts along the advance / retreat direction S of the operated body 110 to guide the operated body 110 along the advance / retreat direction S with respect to the base 120.
  • the power of the drive motor is transmitted to the pair of meshing chains 140 in the base 120 via a drive sprocket (not shown), and the pair of meshing chains 140 is taken in and out of the chain storage part 121 of the base 120.
  • the actuated body 110 is moved back and forth in the forward / backward direction S with respect to the base 120.
  • the advancing / retreating direction S is a vertical direction
  • a transported object (not shown) placed on the operated part 110 can be moved along the advancing / retreating direction S, and the advancing / retreating direction S is horizontal.
  • the conveyed product that comes into contact with the actuated body 110 can be moved along the forward / backward direction S.
  • the pair of meshing chains 140 includes a first meshing chain 140A and a second meshing chain 140B.
  • the first meshing chain 140 ⁇ / b> A includes a plurality of internal tooth plates 141, an external tooth plate 142, a bush 143, a connecting pin 144, and a roller 145.
  • Each pair of internal tooth plates 141 is spaced apart along the chain width direction U, and each internal tooth plate 141 has bushing holes disposed in the longitudinal direction of the chain.
  • Each pair of external tooth plates 142 is disposed on the outside of each pair of internal tooth plates 141, and each external tooth plate 142 has pin holes arranged in the longitudinal direction of the chain.
  • each connecting pin 144 is rotatably inserted into the bushing 143, and the connecting pin 144 is press-fitted into the pin holes of the pair of external tooth plates 142, whereby each pair of internal tooth plates 141 and each pair of external tooth plates. 142 is connected along the longitudinal direction of the chain.
  • the unit composed of the pair of internal tooth plates 141 and the pair of external tooth plates 142 constitutes one row of units in the chain width direction U, but may be two or more rows. Needless to say.
  • the pair of meshing chains 140 has a meshing portion 140G meshed and integrated with each other, and a pair of meshing portions 140H disengaged.
  • Each disengagement portion 140 ⁇ / b> H is housed in the housing portion 121 shown in FIG. 1, and the meshing portion 140 ⁇ / b> G is pulled out from the housing portion 121.
  • a drive motor (not shown) rotates forward, the power of the drive motor pulls out the pair of disengagement portions 140H from the storage portion 121 via a drive sprocket (not shown).
  • the engagement portion 140G is sequentially engaged and integrated by two guide grooves (not shown) in the base 120, thereby forming an engagement portion 140G.
  • the engagement portion 140G Advances along the forward / backward direction S to the left in FIG.
  • the meshing portion 140G of the pair of meshing chains 140 receives power and retracts along the advance / retreat direction S, while the meshing is disengaged by branching a single guide groove (not shown) in the base 120. Then, the disengagement portion 140H is stored in the two chain storage portions 121, respectively.
  • the advance / retreat guide mechanism 130 includes a retracting end slide portion 131, an intermediate slide portion 133, and an advancing end slide portion 132 as a plurality of slide portions that are relatively slidable in the advance / retreat direction S.
  • the side-by-side direction T and the advancing / retracting direction S of the retracting end slide part 131, the intermediate slide part 133, and the advancing end slide part 132 intersect, and the retracting end slide part 131, the intermediate slide part 133, and the advancing end slide part 132 are It is provided in a state of being in contact with each other in the juxtaposed direction T. Further, the retracting end slide portion 131 among the plurality of slide portions is fixed relative to the pace 120 in a state where the advance / retreat guide mechanism 130 extends in the advance / retreat direction S. That is, the retracting end slide portion 131 is fixed directly or indirectly to the base 120.
  • the advance end slide portion 132 of the plurality of slide portions is connected to the pair of meshing chains 140 in the juxtaposed direction T rather than the retracted end slide portion 131. Closely arranged.
  • the advancing end slide part 132 is connected to the advancing end part of the meshed portion 140G of the actuated body 110 or the pair of meshing chains 140, and is fixed relatively to the advancing end of the meshing part 140G.
  • the retracting end slide portion 131, the intermediate slide portion 133, and the advanced end slide portion 132 are Along the juxtaposed direction T, they are arranged side by side toward the meshing chain 140.
  • the advancing / retreating direction S is the horizontal direction and the juxtaposed direction T is the vertical direction, but instead, the advancing / retreating direction S may be the vertical direction and the juxtaposed direction T may be the horizontal direction.
  • the advance / retreat guide mechanism 130 When the juxtaposed direction T is a vertical direction, the advance / retreat guide mechanism 130 is positioned below the meshing portion 140G of the pair of meshing chains 140, and the advance / retreat guide mechanism 130 receives oil from the meshing portions 140G of the pair of meshing chains 140. It becomes.
  • the retracting end slide part 131 is provided on the protruding rail part 131a extending along the advancing / retreating direction S, the advancing restricting part 131d provided on the advancing side in the advancing / retreating direction S, and the retracting side in the advancing / retreating direction S. And an evacuation restricting portion 131e.
  • the intermediate slide portion 133 includes a protruding rail portion 133a extending along the advancing / retreating direction S, a concave groove portion 133b that slidably engages with the protruding rail portion 131a of the retracting end slide portion 131, and a retracting portion.
  • the protrusion 133c that can come into contact with the advance restricting portion 131d and the retract restricting portion 131e of the end slide portion 131, the advance restricting portion 133d provided on the advance side in the advance / retreat direction S, and the retract side in the advance / retreat direction S.
  • an evacuation restricting portion 133e an evacuation restricting portion 133e.
  • the advancing end slide portion 132 can come into contact with the concave groove portion 132b slidably engaged with the protruding rail portion 133a of the intermediate slide portion 133, and the advancing restriction portion 133d and the retraction restriction portion 133e of the intermediate slide portion 133. And a protruding portion 132c.
  • the cross-sectional shape of the protrusion rail portion 131a of the retracting end slide portion 131 viewed from the advancing / retreating direction S is formed in a T shape, and the cross-sectional shape of the concave groove portion 133b of the intermediate slide portion 133 viewed from the advancing / retreating direction S is projected. It may be formed in a shape that wraps around the T-shaped section of the strip rail portion 131a and the like, and the concave groove portion 133b of the intermediate slide portion 133 may be configured to engage with the projecting rail portion 131a of the retracting end slide portion 131. .
  • the intermediate slide portion 133 and the retracting end slide portion 131 can be slid in the forward / backward direction S while restricting the movement in the direction (T) away from each other.
  • the cross-sectional shape of the ridge rail portion 133a of the intermediate slide portion 133 viewed from the advancing / retreating direction S is formed in a T shape
  • the cross-sectional shape of the concave groove 132b of the advancing end slide portion 132 viewed from the advancing / retreating direction S is formed. It is formed in a shape that wraps around the T-shaped cross section of the ridge rail portion 133a, and is configured such that the concave groove portion 132b of the advancing end slide portion 132 is engaged with the ridge rail portion 133a of the intermediate slide portion 133. Also good.
  • the intermediate slide part 133 and the advance end slide part 132 can be slid in the advance / retreat direction S while restricting the movement in the direction (T) away from each other.
  • the advance end slide portion 132 and the intermediate slide portion 133 are integrated with respect to the retracting end slide portion 131. Relatively slide along the advance / retreat direction S toward the advance side. At this time, the protrusion 133c of the intermediate slide part 133 moves away from the retracting restriction part 131e of the retracting end slide part 131 and approaches the advance restricting part 131d of the retracting end slide part 131.
  • the distance L between the advancing end slide portion 132 and the advancing end portions of the meshing portions 140G of the pair of meshing chains 140 is always constant while the actuated body 110 moves over a predetermined stroke.
  • the withstand load against the load that the advancing end portion of the meshing portion 14OG of the meshing chain 140 receives from the conveyed product or the like is always constant over the entire stroke range.
  • the advance end slide portion 132 is moved to the intermediate slide portion 133.
  • the protrusion 132c of the advance end slide part 132 is separated from the advance restriction part 133d of the intermediate slide part 133 and approaches the retraction restriction part 133e of the intermediate slide part 133.
  • the advance end slide portion 132 and the intermediate slide portion 133 are integrated with respect to the retraction end slide portion 131.
  • the protrusion 133c of the intermediate slide part 133 is further separated from the advance restricting part 131d of the retracting end slide part 131 and approaches the retracting restricting part 13le of the retracting end slide part 131.
  • the advance / retreat guide mechanism 130 includes the retracting end slide portion 131 and the intermediate slide as a plurality of slide portions relatively slidable along the advance / retreat direction S. Part 133 and advancing end slide part 132.
  • the juxtaposed direction T of the retracting end slide part 131, the intermediate slide part 133, and the advancing end slide part 132 intersects the advancing / retreating direction S.
  • the retracting end slide part 131, the intermediate slide part 133, and the advancing end slide part 132 are in contact with each other along the juxtaposed direction T.
  • the retracting end slide portion 131 among the plurality of slide portions is fixed relative to the base 120, and the advance end slide portion 132 is the retracting end.
  • the sliding portion 131 is disposed closer to the pair of meshing chains 140, and is connected to the advancing end portion in the advancing and retreating direction of the meshing portion 140G of the actuated body 110 or the pair of meshing chains 140. It is fixed relative to the advancing end of the direction. Accordingly, the advance / retreat guide mechanism 130 can stably guide the meshing portion 140G of the pair of meshing chains 140 and the actuated body 110, and the effect is enormous.
  • the advance / retreat operation device 200 of the second embodiment increases the number of slide portions of the advance / retreat guide mechanism 130 of the advance / retreat operation device 100 of the first embodiment to four, and a ridge rail portion that engages between the slide portions, and Two sets of concave grooves are formed. Since many elements are common to the advance / retreat operation device 100 of the first embodiment, detailed description of common matters is omitted, and only the reference numerals in the 200s are shared with the last two digits.
  • the advance / retreat guide mechanism 230 of the advance / retreat operation device 200 in the second embodiment includes a retracting end slide portion 231, a first intermediate slide portion 233, a second intermediate slide portion 234, and an advancing end as a plurality of slide portions.
  • a slide portion 232 is provided.
  • the retracting end slide portion 231 has two projecting rail portions 231a extending along the advance / retreat direction S.
  • the first intermediate slide portion 233 is slidably engaged with two protrusion rail portions 233a extending along the advance / retreat direction S and two protrusion rail portions 231a of the retracting end slide portion 231 2.
  • the second intermediate slide portion 234 is slidably engaged with the two protrusion rail portions 234a extending in the advance / retreat direction S and the two protrusion rail portions 233a of the first intermediate slide portion 233, respectively.
  • two concave structures 234b are provided.
  • the advancing end slide portion 232 has two concave groove portions 232b that slidably engage with the two protruding rail portions 234a of the second intermediate slide portion 234, respectively. This increases the rigidity of the advance / retreat guide mechanism 230 when the number of engagement portions between the slide portions increases and extends in the advance / retreat direction S.
  • the advance / retreat operation device 300 according to the third embodiment will be described with reference to FIG.
  • the advance / retreat operation device 300 increases the number of slide portions of the advance / retreat guide mechanism 130 of the advance / retreat operation device 100 according to the first embodiment to four, and the juxtaposed direction T of the slide portions with respect to the base 120. Is a change. Since many elements are common to the advance / retreat operation device 100 of the first embodiment, detailed description of common matters is omitted, and only the reference numbers in the 300 series having the last two digits are attached.
  • the advance / retreat guide mechanism 330 of the advance / retreat operation device 300 includes a retract end slide portion 331, a first intermediate slide portion 333, a second intermediate slide portion 334, and an advance end as a plurality of slide portions.
  • a slide portion 332 is provided. Further, the retracting end slide portion 331, the first intermediate slide portion 333, the second intermediate slide portion 334, and the advance end slide portion 332 are arranged in contact with each other along the juxtaposed direction T.
  • the advancing / retreating direction S of the actuated bodies 310 is set to the horizontal direction
  • the juxtaposed direction T is also set to the horizontal direction, but instead, the advancing / retreating direction S of the actuated bodies 310 is set to the vertical direction.
  • the juxtaposed direction T may be the horizontal direction.
  • FIG. 7A is a front view of the advance / retreat operation device 400 at the time of retraction
  • FIG. 7B is a side view seen from the reference numeral 7B shown in FIG. 7A
  • FIG. It is a side view which shows the advance / retreat operation device 400 at the time.
  • the advance / retreat operation device 400 of the fourth embodiment increases the number of slide portions of the advance / retreat guide mechanism 130 in the advance / retreat operation mechanism 100 of the first embodiment to four, and the cross-sectional area of each slide portion viewed from the advance / retreat direction S is increased.
  • the arms 433f and 434f that are engaged with the meshing portions 140G of the pair of meshing chains 140 are formed in the middle slide portion. Since many elements of the advance / retreat operation device 100 of the fourth embodiment are common to the advance / retreat operation device 100 of the first embodiment, detailed description of common items is omitted, and reference numerals in the 400s are common to the last two digits. It is only attached.
  • the advance / retreat guide mechanism 430 of the advance / retreat operation device 400 includes a retract end slide portion 431, a first intermediate slide portion 433, a second intermediate slide portion 434, and an advance end slide portion as a plurality of slide portions. 432.
  • the first intermediate slide portion 433 constitutes a retraction side slide portion located on the retreat side in the advance / retreat direction S.
  • the second intermediate slide part 434 constitutes an advance side slide part located on the advance side in the advance / retreat direction S from the first intermediate slide part 433.
  • the cross-sectional area of the first intermediate slide part 433 viewed from the advance / retreat direction S is set larger than the cross-sectional area of the second intermediate slide part 434 viewed from the advance / retreat direction S.
  • the thickness TH2 in the juxtaposed direction T at the base of the first intermediate slide part 433 is set to be thicker than the thickness THI in the juxtaposed direction T at the base of the second intermediate slide part 434. Therefore, the sectional area of the first intermediate slide part 433 viewed from the advancing / retreating direction S is set larger than the sectional area of the second intermediate slide part 434 viewed from the advancing / retreating direction S.
  • the thickness not only the thickness but also the width may be changed to increase the cross-sectional area.
  • the first intermediate slide part 433 as the retracting side slide part is formed of a material having higher rigidity than the material of the second intermediate slide part 434 as the advance side slide part.
  • the load resistance of the advancing / retracting operation device 400 increases on the retract side where the load acts more than the advance side in the state where the meshing portion 440G of the pair of mesh chains 440 has advanced.
  • the material of the first intermediate slide part 433 is steel
  • the material of the second intermediate slide part 434 is aluminum.
  • the advance / retreat operation device 400 of the fourth embodiment includes three or more slide portions (actually four).
  • the first intermediate slide portion 433 and the second intermediate slide portion 434 between the retracting end slide portion 431 and the advance end slide portion 432 are engaged chain 440 from the advance side in the first intermediate slide portion 433 and the second intermediate slide portion 434.
  • Arms 433f, 434f extending toward the front and engaging ends 440G of the pair of meshing chains 440 provided at the tips of the arms 433f, 434f, and sliding along the forward / backward direction S with respect to the meshing portions 440G.
  • Freely engaging portions 433g and 434g are provided.
  • the engagement portions 433g and 434g of the arms 433f and 434f are engaged with the intermediate portions of the engagement portions 440G of the pair of engagement chains 440 in a state where the engagement portions 440G of the pair of engagement chains 440 have advanced.
  • the arm 433f of the first intermediate slide portion 433 and the arm 434f of the second intermediate slide portion 434 are positioned rearward in the traveling direction. To the vicinity of the source 420. Therefore, the advance / retreat guide mechanism 130 is smoothly reduced without the arms 433f, 434f getting in the way.
  • the engaging portion 433g of the first intermediate slide portion 433 is a recess that is slidably engaged along the forward / backward direction S with respect to the end portion of the connecting pin 144 protruding outward from the outer surface of the external tooth plate 141.
  • the engaging portion 433g in the direction orthogonal to the advancing / retreating direction S and the juxtaposed direction T can be restricted.
  • the second intermediate slide portion 434 extends from the second intermediate slide portion 434 toward the meshing chain on the advance side of the second intermediate slide portion 434 and on the advance side of the arm 433f of the first intermediate slide portion 433.
  • the arm 434f includes an arm 434f and an engaging portion 4349 that is formed at the tip of the arm 434f and engages with a meshing portion 440G of the pair of meshing chains 440 and is slidable along the forward / backward direction S.
  • the engagement portion 434g of the second intermediate slide portion 434 engages with the meshing portion 440G of the pair of meshing chains 440 on the advancing side with respect to the engagement portion 433g of the arm 433f of the first intermediate slide portion 433, and the pair of meshing
  • the relative movement in the juxtaposed direction T with respect to the meshing portion 440G of the chain 440 is restricted.
  • the retracting end slide portion 431 includes an advance restricting portion 431d and an retract restricting portion 431e.
  • the first intermediate slide part 433 includes a protrusion part 433c, an advance restriction part 433d, and a retraction restriction part 433e.
  • the second intermediate slide portion 434 includes a protrusion 434c, an advance restriction portion 434d, and a retraction restriction portion 434e.
  • the advancing end slide portion 432 has a protrusion 432c.
  • a rotatable roller is provided at an engagement portion between the concave structure portion 433b and the ridge rail portion 431a on the retreat side, and an engagement portion between the concave groove portion 434b and the ridge rail portion 433a on the advance side. It is desirable to provide a rotatable ball on the surface. Since the roller has a greater load resistance than the ball, the load resistance on the retract side in the advancing / retreating direction S can be made larger than that on the advance side.
  • the cross-sectional area of the first intermediate slide portion 433 on the retracting side as viewed from the advance / retreat direction S among the plurality of slide portions is the first intermediate slide portion. It is set to be larger than the cross-sectional area viewed from the advancing / retreating direction S of the second intermediate slide part 434 on the advance side from 433. Thereby, compared with the structure with the same thickness of a some slide part, the fall of the rigidity of the advancing / retreating guide mechanism 430 can be suppressed.
  • first intermediate slide portion 433 and the second intermediate slide portion 434 are provided with arms 433f and 434f extending from the advancing and retreating direction S of the first intermediate slide portion 433 and the second intermediate slide portion 434 toward the meshing chain.
  • the arms 433f and 434f are provided with engaging portions 433g and 434g which are engaged with the meshing portion 440G and slidable in the forward / backward direction S with respect to the meshing portion 440G. Accordingly, the meshing portion 440G of the pair of meshing chains 440 and the actuated body 410 can be guided more stably, and the arms 433f and 434f are obstructed as the meshing portions 440G of the pair of meshing chains 440 retract. Without this, the advance / retreat guide mechanism 430 can be smoothly reduced.
  • the present invention is not limited to the above embodiment, and may be modified as follows.
  • the power of the advance / retreat operation device can be supplied from a drive motor or a lever or handle operated by a person.
  • the drive sprocket that transmits the power of the drive motor or the like to the meshing chain may be arranged one on each side of the pair of meshing chains, or one on one side.
  • the meshing chain may have a multi-row structure in which a plurality of inner link units composed of a pair of inner teeth plates in the chain width direction are connected in the chain width direction.
  • the meshing chain may be a meshing chain that does not include a bush, and is configured by connecting a large number of internal tooth plates and external tooth plates only with a connecting pin, or the drive sprocket is engaged with the bush or the roller loosely fitted with the bush. It may be driven together.
  • the same kind of plates facing each other are meshed together to be united, and each is meshed and branched off. Any shape may be used.
  • Meshing part L of a pair of meshing chains ... Space Ll between meshing part and advancing end slide part ... Distance L2 between 1st cylinder part and meshing part ... 4th cylinder part Between the meshing portion and the meshing portion S... Advance and retreat direction T... Parallel arrangement direction THI.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

La présente invention concerne un mécanisme de guidage à mouvement avant/arrière (130) qui comporte des sections coulissantes (131, 132, 133) qui sont agencées côte à côte dans la direction (T) d'agencement côte à côte et qui peuvent coulisser de manière relative dans la direction (S) de mouvement avant/arrière. Dans un état dans lequel le mécanisme de guidage à mouvement avant/arrière est étendu dans la direction de mouvement avant/arrière, une section coulissante d'extrémité rétractée (131) est fixée de manière relative à une base (120), et une section coulissante d'extrémité avancée (132) est disposée plus près de chaînes d'engrènement (140) que la section coulissante d'extrémité rétractée (131) dans la direction (T) d'agencement côte à côte, et est fixée de manière relative à un corps (110) devant être commandé ou est fixée de manière relative au côté avancé, dans la direction de mouvement avant/arrière, de la partie engrènement (140G) des chaînes d'engrènement (140) tout en étant reliée au côté avancé de la partie engrènement (140G).
PCT/JP2013/071548 2012-09-05 2013-08-08 Dispositif de commande de mouvement avant/arrière de type à chaîne d'engrènement WO2014038344A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-195531 2012-09-05
JP2012195531A JP5901476B2 (ja) 2012-09-05 2012-09-05 噛合チェーン式進退作動装置

Publications (1)

Publication Number Publication Date
WO2014038344A1 true WO2014038344A1 (fr) 2014-03-13

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PCT/JP2013/071548 WO2014038344A1 (fr) 2012-09-05 2013-08-08 Dispositif de commande de mouvement avant/arrière de type à chaîne d'engrènement

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JP (1) JP5901476B2 (fr)
WO (1) WO2014038344A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0170790U (fr) * 1987-10-28 1989-05-11
JPH08169693A (ja) * 1994-12-19 1996-07-02 Sanin Booruto Seisakusho:Kk 帯体の伸長繰出装置
JP2009001378A (ja) * 2007-06-21 2009-01-08 Tsubakimoto Chain Co 噛合チェーン式昇降装置
JP2009120308A (ja) * 2007-11-14 2009-06-04 Tsubaki Emerson Co 噛合チェーン式電動昇降装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02172650A (ja) * 1988-12-24 1990-07-04 Fanuc Ltd 補強テレスコピックカバー
DE19730500A1 (de) * 1997-07-16 1999-02-11 Gebr Hennig Gmbh Auszugsystem
JP2001246531A (ja) * 2000-03-02 2001-09-11 Kitamura Mach Co Ltd 工作機械
JP4078175B2 (ja) * 2002-10-10 2008-04-23 ヤマザキマザック株式会社 テレスコピックカバー装置
JP4641549B2 (ja) * 2008-05-12 2011-03-02 株式会社椿本チエイン 噛合チェーン式昇降装置
JP2011144832A (ja) * 2010-01-12 2011-07-28 Tsubakimoto Chain Co 噛合チェーン式進退作動装置
JP5517772B2 (ja) * 2010-06-21 2014-06-11 株式会社椿本チエイン 噛合チェーン式昇降装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0170790U (fr) * 1987-10-28 1989-05-11
JPH08169693A (ja) * 1994-12-19 1996-07-02 Sanin Booruto Seisakusho:Kk 帯体の伸長繰出装置
JP2009001378A (ja) * 2007-06-21 2009-01-08 Tsubakimoto Chain Co 噛合チェーン式昇降装置
JP2009120308A (ja) * 2007-11-14 2009-06-04 Tsubaki Emerson Co 噛合チェーン式電動昇降装置

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JP2014052005A (ja) 2014-03-20

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