CN100411927C - Overhead conveyor - Google Patents
Overhead conveyor Download PDFInfo
- Publication number
- CN100411927C CN100411927C CNB2005800088488A CN200580008848A CN100411927C CN 100411927 C CN100411927 C CN 100411927C CN B2005800088488 A CNB2005800088488 A CN B2005800088488A CN 200580008848 A CN200580008848 A CN 200580008848A CN 100411927 C CN100411927 C CN 100411927C
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- Prior art keywords
- hanger
- connecting rod
- mentioned
- carrier
- state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/20—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising load-carriers suspended from overhead traction chains
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B10/00—Power and free systems
- B61B10/02—Power and free systems with suspended vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
- B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
- B62D65/18—Transportation, conveyor or haulage systems specially adapted for motor vehicle or trailer assembly lines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/02—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising a load-carrying belt attached to or resting on the traction element
Abstract
An overhead conveyor having a carrier (2) connected to front and rear trolleys (4, 4) engaging a travel rail (R), a hanger (3) capable of changing the state of its engagement with the carrier (2) and the state of release of the engagement, a tow bar (23) constructing an upper-lower swing three-joint link mechanism for connecting the carrier (2) and the hanger (3), and engagement/release switching means for switching between the engaged state and the released state. The engagement/release switching means enables switching between the engaged state where the hanger (3) moves with the carrier (2) in a united form and the released state where the hanger (3) is towed by the tow bar (23) while being supported by a hanger guiding rail (HR) provided under the travel rail (R). The height of an object to be conveyed can be changed to a height suitable for work.
Description
Technical field
The present invention relates to can on the same manufacturing line to the size or variform undertaken by transport object operation (for example on the car body fitting line assembling multiple automobile operation) in employed, utilization is hung on can be at the hanger on the carrier of walking on the walking track, to carried out the overhead chain conveyor of conveyance by transport object.
Background technology
Overhead chain conveyor comprises: the carrier with the roller that can rotate on the walking track that is set up on operator's head (for example near the top in workshop etc.); With hang on this carrier, below be horizontally arranged with by the hanger of transport object upholder.In addition, driving working power chain (power chain) the formula actuating device of above-mentioned carrier or friction roller minor actuating device etc.For example, when using on the fitting line of the multiple car body of assembling under the situation of this overhead chain conveyor, must constitute the height that is adapted by the Level Change of transport object one-tenth and operation that can make by above-mentioned hanger supporting, so that when the operator works with inappropriate posture reluctantly, do not damage operation and safety.
Overhead chain conveyor as the prior art with this purpose comprises: the power chain formula conveyer track that can guide power chain with walking; Extend with the parallel beneath of track at this power chain formula conveyer, can guide the chassis track of the chassis that drives by above-mentioned power chain with walking; With above-mentioned chassis bonded assembly first hanger; Having telescoping mechanism (pantagraph mechanism etc.) by above-below direction is connected with first hanger and carries by second hanger of the hanger arm of transport object; With the guide rail that extends and guide above-mentioned second hanger at above-mentioned chassis with the parallel beneath of track, wherein, this guide rail on the position of above-mentioned second hanger that raises, have the diff-H guide portion and with this diff-H guide portion bonded assembly inclined lead part (for example, with reference to patent documentation 1), guiding by the rail set supporting, on the moving body that moves freely on certain path, can be provided with by the support of transport object with freely loading and unloading, regulation place in above-mentioned certain path be formed be positioned at above-mentioned certain path below and along the support conveyance path in above-mentioned certain path, being equipped with on the starting end part in above-mentioned support conveyance path makes above-mentioned support separate from the above-mentioned moving body of regulation, and move to disengagement gear on the conveyance path of above-mentioned support, on the terminal part in above-mentioned support conveyance path, be provided with support with above-mentioned support conveyance path, be installed in (for example, with reference to patent documentations 2) such as converging devices on the above-mentioned moving body.
In addition, as relevant known technology, to obtain on the path of differing heights position conveyance article, on the slant path and on the horizontal route, the carrying device that can make conveyance apparatus (framework and hanger etc.) be maintained horizontality is a purpose, constitute on the track that sets up along certain path, on the downside of the front and back chassis that suspends in midair by roller free to rotately, from being positioned near the rear and front end with the framework of the state of its direct of travel almost parallel, the front and rear suspension device is hung down by pivot suspension, simultaneously, can change in the chassis of above-mentioned front and back the interval of at least one and said frame, wherein, make another chassis and said frame become the pivot suspension state, with this pivotal bearing part as the center, but the said frame easy on and off is rotated, on the part of said frame, roller is installed, along the rake in above-mentioned path, setting acts on the cam rail (for example, with reference to patent documentation 3) on this roller.
Patent documentation 1: Japanese kokai publication hei 1-181615 communique.
Patent documentation 2: TOHKEMY 2003-306143 communique
Patent documentation 3: the real public clear 42-1144 communique of Japan
In the overhead chain conveyor of above prior art, in the structure of patent documentation 1, has following problems, promptly, because the telescoping mechanism connection by above-mentioned above-below direction has above-mentioned first hanger (carrier) and above-mentioned by second hanger of the hanger arm of transport object of placement, therefore, must install in the total length of conveyer and have shaking of above-mentioned second hanger concurrently and stop guide rail with the guiding function of lifting, in addition, because the complex structure of the telescoping mechanism of above-mentioned above-below direction (particularly, using under the telescoping mechanism situation of pantagraph mechanism (pantagraph) as above-mentioned above-below direction, a side's of the upper end of this pantagraph mechanism of sliding guidance guiding device in the horizontal direction must be set on above-mentioned first hanger, simultaneously, the guiding device of lower end below one side of the upper end of this pantagraph mechanism of sliding guidance in the horizontal direction is set) on above-mentioned second hanger, so its reliability reduces, cost improves simultaneously.In addition, in the structure of patent documentation 2, has following problems, promptly, owing to adopt above-mentioned moving body (carrier) and the above-mentioned complete separated structures of support by transport object, so, the displacing force that displacing force is imposed on above-mentioned disengagement gear, above-mentioned converging device and the above-mentioned support that separates must be set give and device, and, the control at above-mentioned separation interflow becomes assorted, therefore, reliability reduces, simultaneously the cost height.
In addition, in order to change the height of above-mentioned front and rear suspension device with respect to carrier (above-mentioned front and back chassis), so that will by hanger supporting by the transport object Level Change for being fit to the height of operation, and utilize under the situation of structure of patent documentation 3, the center of the fore-and-aft direction between center of above-mentioned carrier fore-and-aft direction (center of the fore-and-aft direction in above-mentioned AM/BAM workshop) and above-mentioned front and rear suspension device will change (above-mentioned hanger with respect to above-mentioned carrier in the wings to moving) with respect to the height and position of above-mentioned carrier according to above-mentioned hanger.Under the situation of the difference of the height of height that increases above-mentioned carrier and above-mentioned hanger, moving of this hanger fore-and-aft direction is remarkable especially.Therefore, exist by certain carrier and hanger conveyance by transport object and the carrier before or after this carrier and hanger and the problem of being conflicted or contacting of hanger conveyance by transport object.In addition, for fear of this conflict or contact, the essential increase by distance between transport object, therefore, capacity rating reduces.
Summary of the invention
The present invention proposes in order to address the above problem, its purpose is to obtain a kind of simple in structure, and can will be changed into the height that adapts to operation reliably by the height of transport object by the supporting of above-mentioned hanger, make operation and reliability improve, and the overhead chain conveyor of cost reduction.Even an other purpose of the present invention is will obtain increasing the diff-H of above-mentioned carrier height and above-mentioned hanger, also can suppresses above-mentioned and be moved forwards, backwards, the overhead chain conveyor that is conflicted or contact by transport object before and after can suppressing by transport object.
In order to address the above problem, a kind of overhead chain conveyor of the present invention, it comprises: by at least one pair of the front and back chassis that engages with the walking track, be connected with this chassis and extend in front and back, simultaneously, on the front and rear part left and right directions run through be provided with carrier before the vertical carrier frame of conjugate foramen and back conjugate foramen, and the carrier that constitutes at the horizontal carrier frame of left and right directions horizontally set in the front portion of this vertical carrier frame; By be provided with above-mentioned carrier before on the cooresponding position of conjugate foramen left and right directions run through be provided with hanger before conjugate foramen header board and with above-mentioned carrier after on the cooresponding position of conjugate foramen left and right directions run through be provided with hanger after the hanger framework of back plate of conjugate foramen, and hang on this hanger framework and hanger that supporting is constituted by the hanger arm of transport object; Be configured in above-mentioned walking track downside, support the hanger guide rail of above-mentioned hanger; By front end can around the left and right directions axle joltily pivot be fixed on the above-mentioned horizontal carrier frame, and extend to the first connecting rod at rear from the rear end of above-mentioned hanger framework, and the rear end can around the left and right directions axle joltily pivot be fixed on the rear end of this first connecting rod, and front end can around the left and right directions axle joltily pivot be fixed on the draw bar that the second connecting rod of the rear end of above-mentioned hanger framework constitutes; Limit above-mentioned second connecting rod shaking to the second connecting rod of predetermined angular forwards and shake restraint device, limit above-mentioned first connecting rod shaking to the first connecting rod of predetermined angular downwards and shake restraint device, the angle angle bigger than predetermined angular that perhaps limits above-mentioned first connecting rod and above-mentioned second connecting rod amplifies restraint device; With can switch preceding engagement state that the preceding double pointed nail that engages with conjugate foramen before the above-mentioned carrier engages with conjugate foramen before the above-mentioned hanger and the preceding disarm state of removing this joint, and the joint of the back double pointed nail that engages with conjugate foramen behind the above-mentioned carrier back engagement state that engages with conjugate foramen behind the above-mentioned hanger and the back disarm state of removing this joint is removed shifter, wherein, remove shifter by utilizing this joint, to as engagement state before above-mentioned and back engagement state, make above-mentioned hanger and above-mentioned carrier one mobile status, with utilize above-mentioned joint and remove shifter, to as disarm state before above-mentioned and back disarm state, above-mentioned hanger is switched by above-mentioned hanger guide rail support and the state that moved by the traction of above-mentioned draw bar, and can change by above-mentioned hanger arm supporting by the height of transport object.
Herein, preferred settings is shaken the predetermined angular that the above-mentioned second connecting rod of restraint device restriction forwards shakes by above-mentioned second connecting rod, shake the predetermined angular that the above-mentioned connecting rod of restraint device restriction shakes downwards by above-mentioned first connecting rod, perhaps amplify the predetermined angular of the angle of the above-mentioned first connecting rod of restraint device restriction and above-mentioned second connecting rod by above-mentioned angle, make before above-mentioned engagement state and back engagement state with above-mentioned before disarm state and after under the disarm state, the center relative position relation of the center of the fore-and-aft direction of above-mentioned front and back chassis and the fore-and-aft direction of above-mentioned hanger is about equally.
In addition, preferred above-mentioned second connecting rod shakes restraint device the front side protrusion of above-mentioned second connecting rod is contacted with above-mentioned hanger framework.
And, preferred above-mentioned joint is removed shifter, make above-mentioned double pointed nail with the front and back that are arranged on above-mentioned vertical carrier frame, be connected at the connecting rod that rocks from side to side that rocks from side to side, simultaneously, the cam follower that is arranged on this connecting rod that rocks from side to side is engaged with cam rail on being arranged on the conveyance path, drive this cam rail at left and right directions, shake the above-mentioned connecting rod that rocks from side to side, carry out above-mentioned double pointed nail moving of direction to the left and right thus.
In addition, preferably contact with cam rail on being arranged on the conveyance path, carry out switching the above-mentioned double pointed nail of usefulness and the location of above-mentioned hanger conjugate foramen from above-mentioned disarm state to above-mentioned engagement state by the roller on the pivot that makes the first connecting rod that is installed in above-mentioned draw bar and second connecting rod.
In addition, preferably in the inclination first transition or inclination last transition of above-mentioned walking track, in this inclination first transition above-mentioned preceding disarm state and back engagement state, in this inclination last transition above-mentioned preceding engagement state and back disarm state, the hanger guide rail that the above-mentioned hanger of supporting keeps approximate horizontal is set, can keeps above-mentioned thus by the transport object approximate horizontal.
Adopt overhead chain conveyor of the present invention, because it comprises: by at least one pair of the front and back chassis that engages with the walking track, be connected with this chassis and extend in front and back, simultaneously, on the front and rear part left and right directions run through be provided with carrier before the vertical carrier frame of conjugate foramen and back conjugate foramen, and the carrier that constitutes at the horizontal carrier frame of left and right directions horizontally set in the front portion of this vertical carrier frame; By be provided with above-mentioned carrier before on the cooresponding position of conjugate foramen left and right directions run through be provided with hanger before conjugate foramen header board and with above-mentioned carrier after on the cooresponding position of conjugate foramen left and right directions run through be provided with hanger after the hanger framework of back plate of conjugate foramen, and hang on this hanger framework and hanger that supporting is constituted by the hanger arm of transport object; Be configured in above-mentioned walking track downside, support the hanger guide rail of above-mentioned hanger; By front end can around the left and right directions axle joltily pivot be fixed on the above-mentioned horizontal carrier frame, and extend to the first connecting rod at rear from the rear end of above-mentioned hanger framework, and the rear end can around the left and right directions axle joltily pivot be fixed on the rear end of this first connecting rod, and front end can around the left and right directions axle joltily pivot be fixed on the draw bar that the second connecting rod of the rear end of above-mentioned hanger framework constitutes; Limit above-mentioned second connecting rod shaking to the second connecting rod of predetermined angular forwards and shake restraint device, limit above-mentioned first connecting rod shaking to the first connecting rod of predetermined angular downwards and shake restraint device, the angle angle bigger than predetermined angular that perhaps limits above-mentioned first connecting rod and above-mentioned second connecting rod amplifies restraint device; With can switch preceding engagement state that the preceding double pointed nail that engages with conjugate foramen before the above-mentioned carrier engages with conjugate foramen before the above-mentioned hanger and the preceding disarm state of removing this joint, and the joint of the back double pointed nail that engages with conjugate foramen behind the above-mentioned carrier back engagement state that engages with conjugate foramen behind the above-mentioned hanger and the back disarm state of removing this joint is removed shifter, wherein, remove shifter by utilizing this joint, to as engagement state before above-mentioned and back engagement state, make above-mentioned hanger and above-mentioned carrier one mobile status, with utilize above-mentioned joint and remove shifter, to as disarm state before above-mentioned and back disarm state, above-mentioned hanger is switched by above-mentioned hanger guide rail support and by the mobile state of above-mentioned draw bar traction, and can change by the supporting of above-mentioned hanger arm by the height of transport object, therefore, simple in structure, and the height that is become to be fit to operation by the Level Change of transport object that can reliably above-mentioned hanger arm be supported, can improve operation and reliability, and cost-cutting.In addition, big even the difference of the height of above-mentioned carrier height and above-mentioned hanger becomes, owing to can suppress above-mentioned by transport object moving forwards, backwards, and being conflicted by transport object or contact before and after can suppressing.
In addition, owing to set by above-mentioned second connecting rod and shake the predetermined angular that the above-mentioned second connecting rod of restraint device restriction forwards shakes, shake the predetermined angular that the above-mentioned connecting rod of restraint device restriction shakes downwards by above-mentioned first connecting rod, perhaps amplify the predetermined angular of the angle of the above-mentioned first connecting rod of restraint device restriction and above-mentioned second connecting rod by above-mentioned angle, make before above-mentioned engagement state and back engagement state with above-mentioned before disarm state and after under the disarm state, the center relative position relation of the center of the fore-and-aft direction of above-mentioned front and back chassis and the fore-and-aft direction of above-mentioned hanger about equally, so, before and after can suppressing more reliably by the conflict of transport object or contact.
In addition,, the front side protrusion of above-mentioned second connecting rod is contacted with above-mentioned hanger framework owing to above-mentioned second connecting rod shakes restraint device according to overhead chain conveyor of the present invention, so, front and back can be suppressed more simply by the conflict of transport object or contact.
And, according to overhead chain conveyor of the present invention, because above-mentioned joint is removed shifter, make above-mentioned double pointed nail and the front and back that are arranged on above-mentioned vertical carrier frame, connect at the connecting rod that rocks from side to side that rocks from side to side, simultaneously, the cam follower that is arranged on this connecting rod that rocks from side to side is engaged with cam rail on being arranged on the conveyance path, drive this cam rail at left and right directions, shake the above-mentioned connecting rod that rocks from side to side, carry out above-mentioned double pointed nail moving of direction to the left and right thus, so, can on above-mentioned carrier and hanger, actuating device be set and the above-mentioned joint that obtains carrying out easily and reliably above-mentioned joint and releasing is removed shifter.
In addition, according to overhead chain conveyor of the present invention, because contact with cam rail on being arranged on the conveyance path by the roller on the pivot that makes the first connecting rod that is installed in above-mentioned draw bar and second connecting rod, carry out switching the above-mentioned double pointed nail of usefulness and the location of above-mentioned hanger conjugate foramen from above-mentioned disarm state to above-mentioned engagement state, so, can be easily and carry out the location of above-mentioned double pointed nail and above-mentioned conjugate foramen reliably.
In addition, according to overhead chain conveyor of the present invention, because in the inclination first transition or inclination last transition of above-mentioned walking track, in this inclination first transition, get above-mentioned preceding disarm state and back engagement state, in this inclination last transition above-mentioned preceding engagement state and back disarm state, the hanger guide rail that the above-mentioned hanger of supporting keeps approximate horizontal is set, can keep above-mentioned thus by the transport object approximate horizontal, so even in above-mentioned inclination interval, above-mentioned carrier moves with inclination attitude, above-mentioned hanger can not tilt yet, thereby can prevent the above-mentioned danger that is come off from above-mentioned hanger by transport object.
Description of drawings
Fig. 1 is the right side view of the overhead chain conveyor of expression embodiments of the present invention.
Fig. 2 is the planar view of downside of chassis (trolley) of the overhead chain conveyor of expression embodiments of the present invention.
Fig. 3 is the back view of the overhead chain conveyor of expression embodiments of the present invention.
Fig. 4 is the back view that engages the explanation usefulness of removing shifter; (a) being action specification figure, (b) is the enlarged drawing of the engagement state in expression double pointed nail and hanger side engagement hole.
Fig. 5 be can change by hanger arm supporting by the action specification figure of the height of transport object.
Fig. 6 be can change by hanger arm supporting by the action specification figure of the height of transport object.
Fig. 7 is arranged on the instruction diagram of the cam rail of the location usefulness on the conveyance path.
Fig. 8 is expression makes is become the state (is higher state by the height of transport object) that adapts to operation height by the height of transport object a back view.
Fig. 9 is expression makes is become the state (being low state by the height of transport object) that adapts to operation height by the height of transport object a back view.
The specific embodiment
Secondly, with reference to accompanying drawing, embodiments of the present invention are elaborated.But the present invention is not limited in embodiment shown in the drawings, and it comprises the whole embodiments that satisfy the described main contents of claims scope.In this manual, be preceding (referring to the direction of the arrow A among the figure) with carrier along the walking track direction dictates of advancing, after its opposition side is defined as, about being defined as about the above-mentioned carrier that the past direction rear is seen.
Fig. 1～Fig. 3 is the instruction diagram of the overhead chain conveyor of expression embodiments of the present invention.Fig. 1 is a right side view, and Fig. 2 is the planar view of the downside of expression chassis, and Fig. 3 is back view (figure that sees from the rear).Wherein, in Fig. 3, the chassis that engages with track R represents to load chassis (trolley) 4.Overhead chain conveyor 1 is also supported by formations such as the hangers of transport object W1 or W2 (hanger) 3 with hanging on carrier 2 by the carrier (carrier) 2 along walking track R walking.
Before and after loading chassis 4,4 for example have Wei Rao the left and right directions axle rotation that can on walking track R, rotate as I font monorail roughly vertical rolls 4a and can be around horizontal roll 4b, the 4b of above-below direction axle rotation, it engages with the track R that walks.In addition, chassis 5 has the vertical rolls 5a of Wei Rao the left and right directions axle rotation of rotating and can center on horizontal roll 5b, the 5b that the above-below direction axle rotates on walking track R ahead, and it engages with walking track R.Rear portion chassis 6 has the vertical rolls 6a of Wei Rao the left and right directions axle rotation of rotating and horizontal roll 6b, the 6b that can center on the rotation of above-below direction axle on walking track R, it engages with walking track R.
At the loading chassis 4,4 of carrier 2, chassis 5 and rear portion chassis 6 and drive on the left and right side of rod 7 and pitman 8,9 ahead, be formed with the friction roller that do not illustrate among the figure that is configured on the conveyance path approximate vertical face from the transverse direction contact, utilize the propulsive effort of this friction roller, thrust is imposed on carrier 2, thereby, make carrier 2 along walking track R walking.
Fig. 4 for explanation that engage to remove shifter 26 with back view (figure that sees from the rear), this device 26 can switch: make the preceding double pointed nail 25a that engages with conjugate foramen 10a before the carrier, the preceding disarm state of the preceding engagement state that engages with conjugate foramen 18a before the hanger and this joint of releasing, and make the back double pointed nail 25b that engages with conjugate foramen 10b behind the above-mentioned carrier, the back disarm state of the back engagement state that engages with conjugate foramen 19a behind the hanger and this joint of releasing, wherein, Fig. 4 (a) is action specification figure, and Fig. 4 (b) is the enlarged drawing of the engagement state of preceding double pointed nail 25a of expression and the preceding conjugate foramen 18a of hanger.In addition, what Fig. 4 represented is to switch to make with engaging of front side to remove the preceding double pointed nail 25a that shifter (being the preceding conjugate foramen 10a of carrier) engages, the preceding disarm state of the preceding engagement state that engages with conjugate foramen 18a before the hanger and this joint of releasing, but, make with engaging of rear side for switching and to remove the back double pointed nail 25b that shifter (be carrier after conjugate foramen 10b) engages, this joint back disarm state of back engagement state that engages with conjugate foramen 19a behind the hanger and releasing also can similarly constitute.
Double pointed nail 25a is connected with the connecting rod 27 that rocks from side to side that is roughly the L font that rocks from side to side before above-mentioned, these connecting rod 27 pivots that rock from side to side are fixed on the support 29 of the front portion of being fixed in vertical carrier frame 10, can shake around fore-and-aft direction axle 29a, simultaneously, cam follower 28 is mounted in the top.In addition, have the junction surface 30a that engages with above-mentioned cam follower 28, can be configured in the regulation place in conveyance path simultaneously around the cam rail 30 that fore-and-aft direction axle 30b shakes, the upper end 30c of this cam rail 30 is connected with the piston rod 31a of cylinder 31.Therefore, regulation place in above-mentioned conveyance path, under the cam follower 28 of the connecting rod 27 that rocks from side to side that is roughly the L font and state that the junction surface 30a of cam rail 30 engages, make piston rod 31a flexible by driving cylinder 31, cam rail 30 can shake around fore-and-aft direction axle 30b, the connecting rod 27 of rocking from side to side shakes at left and right directions, and preceding double pointed nail 25a moves at left and right directions.
Its result, for example, when the piston rod that makes cylinder 31 stretches out, shown in the long and two-short dash line among Fig. 4, the preceding engagement state that double pointed nail 25a engages with conjugate foramen 18a before the hanger before can realizing; When making the piston rod withdrawal of cylinder 31, shown in the solid line among Fig. 4, can realize preceding double pointed nail 25a is extracted the conjugate foramen 18a before hanger, remove the preceding disarm state of above-mentioned preceding engagement state.In addition, by same structure and action, can realize above-mentioned back engagement state and back disarm state.Utilize this structure,, also can access easily and carry out reliably the above-mentioned joint releasing shifter 26 of above-mentioned joint and releasing even on carrier 2 and hanger 3, actuating device is not set.
In addition, the external diameter of double pointed nail 25a before forming makes the external diameter big (for example, outside diameter d 0=50mm in Fig. 4 (b), outside diameter d 1=40mm) of the external diameter of its fore-end than supporting header board 18 parts.Therefore, at preceding engagement state, promptly, under the state of preceding double pointed nail 25a supporting header board 18, when the current double pointed nail 25a direction that conjugate foramen 18a extracts before hanger moves, because the contacts side surfaces of the fore-end (outside diameter d 0 part) of double pointed nail 25a and header board 18 before above-mentioned, so double pointed nail 25a conjugate foramen 18a before the hanger extracts before can suppressing.In addition, because compression coil spring 32 was configured between the lower end 27a of the connecting rod 27 that rocks from side to side that is roughly the L font and vertical carrier frame 10 following, the direction of recuperability conjugate foramen 18a before hanger by this spring applies application force to preceding double pointed nail 25a, therefore, the joint of the preceding conjugate foramen 18a of above-mentioned preceding double pointed nail 25a and above-mentioned hanger is removed unintentionally, and hanger 3 can not fall from carrier 2.
Fig. 5 and Fig. 6 utilize above-mentioned joint to remove the function that shifter switches the engagement state and the state of releasing, can change by above-mentioned hanger arm supporting by the instruction diagram of the action of the height of transport object.In addition, Fig. 5 represents that hanger guide rail HR branches into the situation of high hanger guide rail HRH and low hanger guide rail HRL, and Fig. 6 represents that high hanger guide rail HRH and low hanger guide rail HRL interflow are the example of the situation of hanger guide rail HR.
The state that the vertical rolls 33,33 (referring to Fig. 2 and Fig. 3) that the state representation of position B among Fig. 5 will make the left and right directions axle of the front and back that can center on the left and right sides framework 15,16 that is arranged on hanger framework 12 rotate engages with hanger guide rail HR is as utilizing above-mentioned joint to remove above-mentioned preceding engagement state and back disarm state that shifter is realized.Utilize above-mentioned joint to remove shifter and realize above-mentioned preceding disarm state and back disarm state, can move to the state of the position C Fig. 5 from this state, be that above-mentioned vertical rolls 33,33 engages with low hanger guide rail HRL, hanger 3 is pulled the state of bar 23 traction walkings.
Wherein, in this case, under the state of above-mentioned position C, because above-mentioned vertical rolls 33,33 is engaged with high hanger guide rail HRH, so, can run to above-mentioned preceding engagement state and back engagement state from position B, simultaneously, in the anterior locations (referring to the L among the figure) of the component of hanger guide rail HR, there is not the horizontal-extending portion of the upside of hanger guide rail HR (referring to Fig. 3), the cross sectional shape of hanger guide rail HR is made roughly the L font is also passable.Like this, for example at position C place, can be easily and change reliably by hanger 3 and 3 supportings of this hanger by the height of transport object (for example W2).Therefore, owing to change easily and reliably by the height of the height of transport object for adapting to operation, thus not can owing to stand in carry out operation on the FL of ground the operator because of inadequate unreasonable posture, and infringement operation and safety, therefore, can improve operation and reliability and cost-cutting.
As the position C of Fig. 5, before above-mentioned, under disarm state and the back disarm state,, draws by hanger 3 by carrier 2 because passing through draw bar 23, thus do not need to reset the actuating device that drives hanger 3, therefore, can cost-cutting.
Under the state of the position of Fig. 5 C, second connecting rod 22 shaking by such structure forwards limited, this structure is: make as with second connecting rod forwards shake the front side protrusion 24 that the second connecting rod that is restricted to predetermined angular shakes the second connecting rod 22 of restraint device, with on hanger framework 12, promptly on rear frame 14, rearward give prominence to the top contact of the supporting member 17 that is provided with.In addition, utilizing such second connecting rod to shake under the state that restraint device restriction second connecting rod 22 forwards shakes, same with the position B of Fig. 5, set the predetermined angular that the above-mentioned second connecting rod of restriction forwards shakes, make the center basically identical of the fore-and-aft direction of the center of the fore-and-aft direction between the fore and aft stowage chassis 4,4 and hanger 3.(referring to CL among the figure).In addition, be not to make the center of the fore-and-aft direction between the fore and aft stowage chassis 4,4 consistent with the center of the fore-and-aft direction of hanger 3, also can set the afore mentioned rules angle, make before above-mentioned engagement state and back engagement state (for example state of the position B of Fig. 5), under above-mentioned preceding disarm state and back disarm state (for example state of the position C of Fig. 5), the relative position relation at the center of the fore-and-aft direction center between the fore and aft stowage chassis 4,4 and the fore-and-aft direction of hanger 3 about equally.
Utilize this structure, even change by the height of transport object, make the difference of the height of the height of carrier 2 and hanger 3 become big, owing to can suppress this by transport object moving forwards, backwards, so the quilt before and after can suppressing send the conflict or the contact of thing more simple and reliablely.
In addition, also can not use above-mentioned second connecting rod to shake restraint device, first connecting rod 21 first connecting rod that is restricted to predetermined angular that shakes downwards be shaken restraint device but adopt.This first connecting rod shakes restraint device, can constitute by confinement plate 41 (referring to the position C of Fig. 5) is set below horizontal carrier frame 11.Adopting this first connecting rod to shake under the situation of restraint device, by setting the predetermined angular that above-mentioned first connecting rod shakes downwards, make and utilize by the height of transport object height, the center relative position relation of the fore-and-aft direction of the center of the fore-and-aft direction of chassis 4,4 and hanger 3 about equally before and after can making, even change by the height of transport object, make the difference of the height of the height of carrier 2 and hanger 3 become big, owing to can suppress this by transport object moving forwards, backwards, and before and after can suppressing by the conflict of transport object or contact.
In addition, also can not use above-mentioned second connecting rod to shake restraint device formula first connecting rod and shake restraint device, and adopt the angle angle bigger of restriction first connecting rod 21 and second connecting rod 22 to amplify restraint device than predetermined angular (referring to the angle [alpha] among Fig. 5).This angle amplifies restraint device and constitutes by limit stop is set, and this limit stop can or be restricted to bigger than predetermined angular around its first connecting rod 21 and the angle of second connecting rod 22 with the pivot of the rear end 22b of the rear end 21b of first connecting rod 21 and second connecting rod 22.Adopting this angle to amplify under the situation of restraint device, by setting predetermined angular (referring to the angle [alpha] among Fig. 5), can utilize by the height of transport object height, the relative position relation at the center of the center of the fore-and-aft direction of chassis 4,4 and the fore-and-aft direction of hanger 3 about equally before and after making, like this, even change by the height of transport object, make the difference of the height of the height of carrier 2 and hanger 3 become big, owing to can suppress to this moving by the front and back of transport object, so, before and after can suppressing by the conflict of transport object or contact.
Position D among Fig. 6 and position E represent above-mentioned before disarm state and the back disarm state, position F among Fig. 6 and G represent above-mentioned before engagement state and the back engagement state.Disarm state and back disarm state disarm state and back disarm state mobile before position F above-mentioned before position E above-mentioned, can be easy to and carry out reliably the location of this double pointed nail and this conjugate foramen, this location is performed such: in 33 of the above-mentioned vertical rolls that makes hanger framework 12,33 states from engaging with low hanger guide rail HRL, behind high hanger guide rail HRH and low hanger guide rail HRL interflow, set the distance of walking track R and hanger guide rail HR, conjugate foramen 18a aligning location before double pointed nail 25a and the hanger before making, conjugate foramen 19a aims at the location behind back double pointed nail 25b and the hanger, simultaneously, be installed in the roller 36 on the pivot of rear end 22b of the rear end 21b of first connecting rod 21 of above-mentioned draw bar 23 and second connecting rod 22,36 (referring to Fig. 2 and Fig. 3) contact with cam rail 38 with location on being arranged on conveyance path shown in Figure 7.After carrying out this location, utilize the joint of Fig. 4 to remove shifter 26, can be easy to and realize reliably above-mentioned preceding engagement state and back engagement state.
In addition, before making before double pointed nail 25a and the hanger behind the cooperation of conjugate foramen 18a and back double pointed nail 25b and the hanger cooperation of conjugate foramen 19a and increase the gap as free-running fit.For example, for d0=50mm, the d1=40mm of Fig. 4 (b), can make inside diameter D 1=60～70mm of the preceding conjugate foramen 18a of hanger.Therefore, can be more prone to and carry out reliably before before double pointed nail 25a and the hanger conjugate foramen 18b joint with separate (releasing of above-mentioned joint).For example,, utilize above-mentioned gap, can move to above-mentioned preceding engagement state and back engagement state reliably even how many distances between walking track R and the hanger guide rail HR has a point tolerance with the installation site of locating with cam rail 38.In addition, utilize above-mentioned gap, even abrasion such as roller 4a, the 4b of track R, chassis 4 or hanger guide rail HR, only need are changed the track of above-mentioned abrasion etc. as consuming device, just can be used as all long-term use overhead chain conveyors 1.
In addition, in the inclination first transition or inclination last transition of walking track R, in this inclination first transition, utilize above-mentioned joint to remove shifter, become above-mentioned preceding disarm state and back engagement state, in this inclination last transition, utilize above-mentioned joint to remove shifter, become above-mentioned preceding engagement state and back disarm state, can be by the hanger guide rail HR of the above-mentioned vertical rolls 33,33 of supporting be set, make hanger 3 (by transport object) keep approximate horizontal, can keep above-mentioned by the transport object approximate horizontal.Therefore, in above-mentioned inclination interval, even above-mentioned carrier moves with inclination attitude, above-mentioned hanger 3 does not tilt yet, and can prevent the danger that above-mentioned transport object comes off from above-mentioned hanger 3.
In addition, in the simple conveyance zone that is not the operating area, as engagement state before above-mentioned and back engagement state, can not have hanger guide rail HR yet and have only walking track R, hanger guide rail HR only is set in the operating area, adopt by above-mentioned joint and remove shifter, switch the structure of above-mentioned joint and releasing.
Fig. 8 and Fig. 9 make the back view (figure that sees from the rear) that is become the state of the height that adapts to operation by the height of transport object for expression.In Fig. 8 and Fig. 9, the chassis that expression engages with track R is for loading chassis 4.In addition, Fig. 8 represents to utilize above-mentioned joint to remove the situation that shifter becomes above-mentioned preceding engagement state and back engagement state, for example, represent and the operator who stands on the FL of ground that what adapt to is the example of high state by the height of transport object W1 when by the bottom of transport object W1 part being installed.Fig. 9 represents to utilize above-mentioned joint to remove the situation that shifter becomes above-mentioned preceding disarm state and back disarm state, for example, represent to be fit to when standing in operator on the FL of ground and on by the side of transport object W1, part is installed by the height of transport object W1 for hanging down the example of state.
As mentioned above, switch above-mentioned engagement state and releasing state easily owing to utilize above-mentioned joint to remove shifter, the vertical rolls 33,33 of rotating around the left and right directions axle of framework 15,16 front and back that are arranged on hanger framework about 12 is engaged with hanger guide rail HR, by setting the height of this hanger guide rail HR, height difference according to carry out the place of operation by the difference of transport object size (for example referring to Fig. 1 by transport object W1, W2) or on by transport object changes easily by the height of transport object.Therefore, simple in structure, and can be the height that is fit to operation with what support by hanger 3 by the Level Change of transport object reliably, can improve operation and reliability and cost-cutting.
Wherein, in the operating area of Fig. 8 and Fig. 9, left and right directions is set shakes restriction and shake restriction usefulness roller 35,35 and guide rail 37,37, can prevent from the operating area to be shaken and cause reducing operation by transport object with roller 34,34 and guide rail (for example hanger guide rail HR), above-below direction.In addition, as Fig. 8 and shown in Figure 9, if the joint claw 40 that will be installed on the horizontal carrier frame 11 of carrier 2 engages with roller chain-type actuating device 39 in being configured in the operating area, then because can be reliably and carry out accurately in the operating area by the moving of transport object, so can improve operation.
Claims (6)
1. overhead chain conveyor comprises:
By at least one pair of the front and back chassis that engages with the walking track, be connected with this chassis and extend in front and back, simultaneously, on the front and rear part left and right directions run through be provided with carrier before the vertical carrier frame of conjugate foramen and back conjugate foramen, and the carrier that constitutes at the horizontal carrier frame of left and right directions horizontally set in the front portion of this vertical carrier frame;
By be provided with described carrier before on the cooresponding position of conjugate foramen left and right directions run through be provided with hanger before conjugate foramen header board and with described carrier after on the cooresponding position of conjugate foramen left and right directions run through be provided with hanger after the hanger framework of back plate of conjugate foramen, and hang on this hanger framework and hanger that supporting is constituted by the hanger arm of transport object; With
Be configured in described walking track downside, support the hanger guide rail of described hanger, this overhead chain conveyor is characterised in that, also comprises:
By front end can around the left and right directions axle joltily pivot be fixed on the described horizontal carrier frame, and extend to the first connecting rod at rear from the rear end of described hanger framework, and the rear end can around the left and right directions axle joltily pivot be fixed on the rear end of this first connecting rod, and front end can around the left and right directions axle joltily pivot be fixed on the draw bar that the second connecting rod of the rear end of described hanger framework constitutes;
Limit described second connecting rod shaking to the second connecting rod of predetermined angular forwards and shake restraint device, limit described first connecting rod shaking to the first connecting rod of predetermined angular downwards and shake restraint device, the angle angle bigger than predetermined angular that perhaps limits described first connecting rod and described second connecting rod amplifies restraint device; With
Can switch and make preceding double pointed nail preceding engagement state that engages with conjugate foramen before the described hanger and the preceding disarm state of removing this joint that engages with conjugate foramen before the described carrier, and make the joint of the back double pointed nail back engagement state that engages with conjugate foramen behind the described hanger and the back disarm state of removing this joint that engage with conjugate foramen behind the described carrier remove shifter, wherein
Remove shifter by utilizing this joint, to as engagement state before described and back engagement state, make described hanger and described carrier one mobile status, with utilize described joint and remove shifter, to as disarm state before described and back disarm state, described hanger is switched by described hanger guide rail support and the state that moved by the traction of described draw bar, and can change by described hanger arm supporting by the height of transport object.
2. overhead chain conveyor as claimed in claim 1 is characterized in that:
Setting is shaken the predetermined angular that the described second connecting rod of restraint device restriction forwards shakes by described second connecting rod, shake the predetermined angular that the described connecting rod of restraint device restriction shakes downwards by described first connecting rod, perhaps amplify the predetermined angular of the angle of the described first connecting rod of restraint device restriction and described second connecting rod by described angle, make before described engagement state and back engagement state with described before disarm state and after under the disarm state, the center relative position relation of the center of the fore-and-aft direction of described front and back chassis and the fore-and-aft direction of described hanger is about equally.
3. overhead chain conveyor as claimed in claim 1 or 2 is characterized in that:
Described second connecting rod shakes restraint device makes the front side protrusion of described second connecting rod contact with described hanger framework.
4. overhead chain conveyor as claimed in claim 1 is characterized in that:
Described joint is removed shifter, make described double pointed nail with the front and back that are arranged on described vertical carrier frame, be connected at the connecting rod that rocks from side to side that rocks from side to side, simultaneously, the cam follower that is arranged on this connecting rod that rocks from side to side is engaged with cam rail on being arranged on the conveyance path, drive this cam rail at left and right directions, shake the described connecting rod that rocks from side to side, carry out described double pointed nail moving of direction to the left and right thus.
5. overhead chain conveyor as claimed in claim 1 is characterized in that:
Contact with cam rail on being arranged on the conveyance path by the roller on the pivot that makes the first connecting rod that is installed in described draw bar and second connecting rod, carry out switching the described double pointed nail of usefulness and the location of described hanger conjugate foramen from described disarm state to described engagement state.
6. overhead chain conveyor as claimed in claim 1 is characterized in that:
In the inclination first transition or inclination last transition of described walking track, in this inclination first transition described preceding disarm state and back engagement state, in this inclination last transition described preceding engagement state and back disarm state, the hanger guide rail that the described hanger of supporting keeps approximate horizontal is set, keeps described thus by the transport object approximate horizontal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004081141A JP4265454B2 (en) | 2004-03-19 | 2004-03-19 | Overhead conveyor |
| JP081141/2004 | 2004-03-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1934000A CN1934000A (en) | 2007-03-21 |
| CN100411927C true CN100411927C (en) | 2008-08-20 |
Family
ID=34993551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800088488A Expired - Fee Related CN100411927C (en) | 2004-03-19 | 2005-03-15 | Overhead conveyor |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4265454B2 (en) |
| KR (1) | KR20060125823A (en) |
| CN (1) | CN100411927C (en) |
| WO (1) | WO2005090136A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109911514A (en) * | 2017-12-13 | 2019-06-21 | 马自达汽车株式会社 | Carrying device |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323393B (en) * | 2007-06-11 | 2012-12-19 | 中国第一汽车股份有限公司 | Double rail suspension rotating conveyor |
| JP5092652B2 (en) * | 2007-09-28 | 2012-12-05 | 中西金属工業株式会社 | Transport device |
| CN101439805B (en) * | 2007-11-20 | 2010-12-08 | 同方威视技术股份有限公司 | Traction apparatus |
| CN101817448A (en) * | 2010-04-09 | 2010-09-01 | 无锡市顺达物流涂装设备有限公司 | Double-rail suspension type conveying device |
| KR101224921B1 (en) * | 2010-09-10 | 2013-01-22 | 삼성중공업 주식회사 | A moving device following a guide rail |
| CN102910176A (en) * | 2011-08-02 | 2013-02-06 | 盐城海旭数控装备有限公司 | Suspension device for suspended new energy rail bus |
| CN103538857B (en) * | 2013-10-17 | 2015-12-30 | 济南拓展输送设备有限公司 | A kind of special quick hook of overhead chain conveyer and suspended axle |
| TW201620805A (en) * | 2014-10-21 | 2016-06-16 | 康寧公司 | Glass sheet processing apparatus and methods |
| CN105150044B (en) * | 2015-10-22 | 2018-05-18 | 湖州南浔欧耐特木业有限公司 | Timber production full-automatic sanding device |
| CN105858489A (en) * | 2016-05-18 | 2016-08-17 | 南通中港涂装设备有限公司 | Conveyor for coating production line |
| CN106514173A (en) * | 2016-11-28 | 2017-03-22 | 李亚企 | Full-automatic assembly machine of buckles of automobile door panels |
| CN107128655B (en) * | 2017-06-26 | 2023-07-21 | 日照市七星汽车部件股份有限公司 | Automatic return device of stepping transfer trolley |
| KR102270043B1 (en) * | 2017-08-29 | 2021-06-28 | 세메스 주식회사 | Transfer apparatus |
| CN107650919B (en) * | 2017-10-31 | 2023-07-07 | 中唐空铁集团有限公司 | Suspended iron emergency landing system |
| KR101936554B1 (en) * | 2018-10-24 | 2019-01-08 | 유지봉 | Mobile type apparatus for surveiling underground tunnel |
| CN111940176B (en) * | 2020-08-15 | 2021-09-24 | 山东宇信铸业有限公司 | Automatic unloader of unpowered foundry goods |
| CN113788288B (en) * | 2021-09-17 | 2023-03-21 | 迅展机械（无锡）有限公司 | Suspension type conveying rail |
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- 2005-03-15 KR KR1020067013004A patent/KR20060125823A/en not_active Application Discontinuation
- 2005-03-15 WO PCT/JP2005/004545 patent/WO2005090136A1/en active Application Filing
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| CN1005332B (en) * | 1986-07-23 | 1989-10-04 | 吉田义尚 | Suspense cylinder belt conveyor system |
| US5829575A (en) * | 1997-01-10 | 1998-11-03 | Williams; Alan S. | Load bar assembly |
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| CN109911514A (en) * | 2017-12-13 | 2019-06-21 | 马自达汽车株式会社 | Carrying device |
| US11077899B2 (en) | 2017-12-13 | 2021-08-03 | Mazda Motor Corporation | Conveying apparatus |
| CN109911514B (en) * | 2017-12-13 | 2021-08-06 | 马自达汽车株式会社 | Conveying device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2005090136A1 (en) | 2005-09-29 |
| JP2005263111A (en) | 2005-09-29 |
| CN1934000A (en) | 2007-03-21 |
| KR20060125823A (en) | 2006-12-06 |
| JP4265454B2 (en) | 2009-05-20 |
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