CN105128613A - Hook mechanism for automatic vehicle coupling device - Google Patents
Hook mechanism for automatic vehicle coupling device Download PDFInfo
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- CN105128613A CN105128613A CN201510572169.9A CN201510572169A CN105128613A CN 105128613 A CN105128613 A CN 105128613A CN 201510572169 A CN201510572169 A CN 201510572169A CN 105128613 A CN105128613 A CN 105128613A
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Abstract
The invention discloses a hook mechanism for a vehicle automatic connecting device, which comprises a connecting nut and a shell, the connecting end of the connecting nut is inserted into a connecting seat horizontally hinged on the station appliance vehicle, a gradually-opened wire groove is arranged in the connecting seat, the connecting end of the connecting nut is provided with a telescopic vibration roller which is supported in the gradually-opening wire groove in a rolling way, the butt joint end of the shell is provided with an inner guiding conical surface matched with the butt joint end of the coupling nut, a connecting screw matched with the connecting nut and a first driving component used for driving the connecting screw to rotate are respectively arranged in the shell, the first driving assembly is electrically connected with the control system, an output shaft of the first driving assembly is circumferentially limited and axially movably inserted into a connecting end of the connecting screw rod, and the butt joint end of the connecting screw rod faces the butt joint end of the connecting nut. The coupling is suitable for coupling of vehicles.
Description
Technical field
The present invention relates to a kind of mechanism for connecting working position apparatus car and storage battery tractor, referring to a kind of hitch gear for vehicle automatic coupling connection device particularly.
Background technology
At present, in the transport process of light passenger train's body in white, be loaded with the working position apparatus car of light passenger train's body in white and the connection of tractor truck, main by workman's manual hook or insertion bearing pin.In the production of reality, each logistics trailer and remove hook all continually, like this, not only work capacity is large, needs manual labor frequently to carry out trailer, and extremely inconvenient, and efficiency is very low.Meanwhile, in ground injustice or when having vibrations in transport process, hook is easily thrown off, and very easily causes the safety misadventure of personal injury and body in white to damage.
Summary of the invention
The object of the invention is the deficiency existed to solve above-mentioned background technology, providing a kind of and can reduce to shake the hitch gear for vehicle automatic coupling connection device of impact produced without the need to manual mounting.
For achieving the above object, the present invention adopts following technical scheme: a kind of hitch gear for vehicle automatic coupling connection device, comprise coupling nut and housing, in the horizontally hinged Connection Block on working position apparatus car of union end plug-in mounting of described coupling nut, involute groove is provided with in described Connection Block, the union end of described coupling nut is provided with telescopic vibration roller, described vibration roller rolling support is in described involute groove, lead in being provided with and matching with the butt end of described coupling nut the conical surface for the butt end of described housing, the screw connection that matches with described coupling nut and the first driven unit for driving described screw connection to rotate is separately installed with in described housing, described first driven unit is electrically connected with control system, the output shaft circumference limit shaft of described first driven unit is in the union end being actively plugged in described screw connection, the butt end of described screw connection is towards the butt end of described coupling nut.
Drive the coupling nut that cooperatively interacts and screw connection automatically to connect by the first driven unit, thus achieve the automatic connection of working position apparatus car and tractor truck; Simultaneously, by installing telescopic vibration roller at the union end of coupling nut, and the involute groove offered in Connection Block for support guide vibration roller, the impact shaking generation in transportation can be reduced like this, thus reduce the probability of occurrence of safety misadventure and body in white damage.
In such scheme, position limiting convex ring is provided with in the middle part of the outer wall of described screw connection, on described housing, the both sides of corresponding described position limiting convex ring are respectively equipped with put in place limit switch and disengagement of connection and put in place limit switch, and described connection limit switch and the described disengagement limit switch that puts in place that puts in place is electrically connected with described control system respectively.Put in place limit switch and disengagement of connection is coordinated to put in place limit switch by the position limiting convex ring that adds, can realize docking between coupling nut with screw connection and the automatic control of throwing off, judge that whether connecting between coupling nut with screw connection puts in place or throw off without the need to manpower intervention to put in place, thus further simplify operation, reduce the labour intensity of workman.
In such scheme, on described housing, corresponding described connection put in place the position of limit switch of limit switch and described disengagement that puts in place offers access hole.The access hole added facilitates and connects put in place limit switch and the maintenance in the future of throwing off the limit switch that puts in place.
In such scheme, described access hole place is provided with limit switch guard shield.
In such scheme, between the inwall of described position limiting convex ring and described housing butt end, be provided with Compress Spring.By Compress Spring between position limiting convex ring and the inwall of housing butt end, like this, after ensureing that on the one hand coupling nut connects with screw connection and puts in place, screw connection can not be slided by occurred level on the output shaft of the first driven unit, thus stationarity when ensure that vehicular transport, can ensure that coupling nut can be separated when throwing off completely with screw connection on the other hand.
In such scheme, described first driven unit comprises the first worm gear and the first worm screw that cooperatively interact, rotating shaft one end of described first worm gear is installed on the housing by bearing, the rotating shaft other end circumference limit shaft of described first worm gear is in the union end being actively plugged in described screw connection, described first worm screw is driven by the first motor, and described first motor is electrically connected with described control system.Certainly, also other drive configurations can be adopted.
In such scheme, the rotating shaft of described first worm gear is slided by spacing square slider and is inserted in the union end of described screw connection.By the relative circumferential movement between spacing square slider restriction screw connection and the rotating shaft of the first worm gear, be delivered in screw connection by the rotary motion of spacing square slider by the rotating shaft of the first worm gear like this, and then achieve docking between screw connection with coupling nut; Meanwhile, by screw connection being designed to slide axially in the rotating shaft of the first worm gear, like this, can when not moving tractor truck and working position apparatus car, realize docking between screw connection with coupling nut, thus simplify operation, this connecting device is used more convenient.
In such scheme, the position in the middle part of the rotating shaft of interior corresponding described first worm gear of described housing is provided with stay bearing plate, is arranged on described stay bearing plate in the middle part of the rotating shaft of described first worm gear by bearings.Add stay bearing plate by the position in the middle part of the rotating shaft of the first worm gear corresponding in housing, can ensure that the rotating shaft of the first worm gear rotates so more steady, thus when this connecting device is run more steadily, more reliable.
In such scheme, described housing is spliced by fore shell and back cover, and the Mosaic face of described fore shell and back cover is positioned at described stay bearing plate place.By housing design is become split-type structural, be convenient to the installation and maintenance of the first driven unit and stay bearing plate like this.
In such scheme, the telescopic cavity holding described vibration roller is provided with in the union end of described coupling nut, described vibration roller comprises roller mount and roller body, described roller body can from being rotatably arranged in described roller mount, described roller mount is arranged in described telescopic cavity by spring telescopically, and described roller body rolling support is in described involute groove.
The beneficial effect that technical scheme provided by the invention is brought is:
1, drive the coupling nut that cooperatively interacts and screw connection automatically to connect by the first driven unit, thus achieve the automatic connection of working position apparatus car and tractor truck;
2, by installing telescopic vibration roller at the union end of coupling nut, and the involute groove offered in Connection Block for support guide vibration roller, the impact shaking generation in transportation can be reduced like this, thus reduce the probability of occurrence of safety misadventure and body in white damage;
3, put in place limit switch and disengagement of connection is coordinated to put in place limit switch by the position limiting convex ring that adds, can realize docking between coupling nut with screw connection and the automatic control of throwing off, judge that whether connecting between coupling nut with screw connection puts in place or throw off without the need to manpower intervention to put in place, thus further simplify operation, reduce the labour intensity of workman;
4, the access hole added facilitates and connects put in place limit switch and the maintenance in the future of throwing off the limit switch that puts in place;
5, by Compress Spring between position limiting convex ring and the inwall of housing butt end, like this, after ensureing that on the one hand coupling nut connects with screw connection and puts in place, screw connection can not be slided by occurred level on the output shaft of the first driven unit, thus stationarity when ensure that vehicular transport, can ensure that coupling nut can be separated when throwing off completely with screw connection on the other hand;
6, by the relative circumferential movement between spacing square slider restriction screw connection and the rotating shaft of the first worm gear, be delivered in screw connection by the rotary motion of spacing square slider by the rotating shaft of the first worm gear like this, and then achieve docking between screw connection with coupling nut;
7, by screw connection being designed to slide axially in the rotating shaft of the first worm gear, like this, when not moving tractor truck and working position apparatus car, docking between screw connection with coupling nut can be realized, thus simplify operation, this connecting device is used more convenient;
8, add stay bearing plate by the position in the middle part of the rotating shaft of the first worm gear corresponding in housing, can ensure that the rotating shaft of the first worm gear rotates so more steady, thus when this connecting device is run more steadily, more reliable;
9, by housing design is become split-type structural, the installation and maintenance of the first driven unit and stay bearing plate is convenient to like this.
Accompanying drawing explanation
Fig. 1 is the using state structural representation of vehicle automatic coupling connection device;
Fig. 2 is structural representation of the present invention;
Fig. 3 is the connecting relation structural representation of Connection Block and coupling nut;
Fig. 4 is the structural representation of steering hardware;
Fig. 5 is the plan structure schematic diagram of Fig. 4;
Fig. 6 is the structural representation of Fig. 5 when swinging;
Fig. 7 is the cross-sectional view of Fig. 6;
Fig. 8 is the structural representation of centering mechanism;
Fig. 9 is the structural representation of opto-electronic pickup when being in Shaft alignment state;
Figure 10 is the structural representation that opto-electronic pickup is in when side offsets;
Figure 11 is the structural representation that opto-electronic pickup is in when opposite side offsets;
Figure 12 is the structural representation of subsidiary level mechanism 5;
Figure 13 be Figure 12 overlook symmetrical structure schematic diagram.
Wherein, Connection Block 1, involute groove 1a, hitch gear 2, coupling nut 2a, housing 2b, fore shell 2b1, back cover 2b2, screw connection 2c, first driven unit 2d, first worm gear 2d1, first worm screw 2d2, vibration roller 2e, roller mount 2e1, roller body 2e2, interior guiding conical surface 2f, position limiting convex ring 2g, connect the limit switch 2h that puts in place, throw off the limit switch 2i that puts in place, Compress Spring 2j, spacing square slider 2k, limit switch guard shield 2m, stay bearing plate 2n, steering hardware 3, oscillating axle 3a, pedestal 3b, involute limit track 3c, track adjusting wheel 3d, elastic parts 3e, center plate 3e1, extension spring 3e2, yoke plate 3e3, chute 3f, centering mechanism 4, feed screw nut 4a, screw mandrel 4b, opto-electronic pickup 4c, projector 4c1, reflector 4c2, second driven unit 4d, second worm gear 4d1, second worm screw 4d2, subsidiary level mechanism 5, strut bar 5a, torque spring 5b, spacing steel rope 5c, tractor truck 6, working position apparatus car 7.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
The present invention is when reality uses, vehicle automatic coupling connection device need be formed together with centering mechanism 4 grade with steering hardware 3, particularly, a kind of vehicle automatic coupling connection device as shown in Figure 1, the centering mechanism 4 comprising the Connection Block 1 be arranged on working position apparatus car 7, hitch gear 2, steering hardware 3 and be arranged on tractor truck 6; Wherein,
Described hitch gear 2 comprises coupling nut 2a and housing 2b, the union end plug-in mounting of described coupling nut 2a is horizontally hinged in described Connection Block 1, involute groove 1a is provided with in described Connection Block 1, the union end of described coupling nut 2a is provided with telescopic vibration roller 2e, described vibration roller 2e rolling support is in described involute groove 1a, lead in being provided with and matching with the butt end of described coupling nut 2a conical surface 2f for the butt end of described housing 2b, the screw connection 2c that matches with described coupling nut 2a and the first driven unit 2d for driving described screw connection 2c to rotate is separately installed with in described housing 2b, described first driven unit 2d is electrically connected with control system, the output shaft circumference limit shaft of described first driven unit 2d is in the union end being actively plugged in described screw connection 2c, the butt end of described screw connection 2c is towards the butt end of described coupling nut 2a,
Described steering hardware 3 comprises oscillating axle 3a, pedestal 3b and involute limit track 3c, the union end of described oscillating axle 3a one end and described housing 2b is connected, the middle part of the described oscillating axle 3a other end and described pedestal 3b is hinged, the two ends of described pedestal 3b are connected with the two ends of described involute limit track 3c respectively, described oscillating axle 3a is sleeved on described involute limit track 3c, on described oscillating axle 3a, the position of corresponding described involute limit track 3c is slidably fitted with track adjusting wheel 3d, described track adjusting wheel 3d rolling support is on described involute limit track 3c, described oscillating axle 3a is also provided with for described track adjusting wheel 3d is strained the elastic parts 3e of compacting on described involute limit track 3c,
Described centering mechanism 4 comprises the feed screw nut 4a be arranged on described pedestal 3b, be arranged on screw mandrel 4b on described the tractor truck 6 and opto-electronic pickup 4c for detecting described working position apparatus car 7 and described pedestal 3b whether centering, described feed screw nut 4a is sleeved on described screw mandrel 4b, described screw mandrel 4b is driven by the second driven unit 4d, and described second driven unit 4d and described opto-electronic pickup 4c is electrically connected with described control system respectively.
Drive the coupling nut 2a that cooperatively interacts and screw connection 2c automatically to connect by the first driven unit 2d, thus achieve the automatic connection of working position apparatus car 7 and tractor truck 6; Simultaneously, by installing telescopic vibration roller 2e at the union end of coupling nut 2a, and the involute groove 1a offered in Connection Block 1 for support guide vibration roller 2e, the impact shaking generation in transportation can be reduced like this, thus reduce the probability of occurrence of safety misadventure and body in white damage; And the steering hardware 3 added can ensure that this connecting device can automatically reset after turning, but also turn inside diameter can be made more steady; Again and, the centering mechanism 4 added can realize coupling nut 2a and aiming between screw connection 2c, thus simplifies operation further, reduces the labour intensity of workman.
Position limiting convex ring 2g is provided with in the middle part of the outer wall of above-mentioned screw connection 2c, on described housing 2b, the both sides of corresponding described position limiting convex ring 2g are respectively equipped with put in place limit switch 2h and disengagement of connection and put in place limit switch 2i, and described connection limit switch 2h and the described disengagement limit switch 2i that puts in place that puts in place is electrically connected with described control system respectively.Put in place limit switch 2h and disengagement of connection is coordinated to put in place limit switch 2i by the position limiting convex ring 2g that adds, coupling nut 2a and the automatic control of docking between screw connection 2c with throw off can be realized, judge coupling nut 2a puts in place with whether connecting between screw connection 2c to put in place or throw off without the need to manpower intervention, thus further simplify operation, reduce the labour intensity of workman.On described housing 2b, corresponding described connection put in place the position of limit switch 2i of limit switch 2h and described disengagement that puts in place offers access hole, and described access hole place is provided with limit switch guard shield 2m.The access hole added facilitates and connects put in place limit switch 2h and the maintenance in the future of throwing off the limit switch 2i that puts in place.Compress Spring 2j is provided with between the inwall of described position limiting convex ring 2g and described housing 2b butt end.By Compress Spring 2j between position limiting convex ring 2g and the inwall of housing 2b butt end, like this, after ensureing that on the one hand coupling nut 2a connects with screw connection 2c and puts in place, screw connection 2c can not slide by occurred level on the output shaft of the first driven unit 2d, thus stationarity when ensure that vehicular transport, can ensure that coupling nut 2a can be separated when throwing off completely with screw connection 2c on the other hand.
Above-mentioned first driven unit 2d comprises the first worm gear 2d1 and the first worm screw 2d2 that cooperatively interact, rotating shaft one end of described first worm gear 2d1 is arranged on described housing 2b by bearing, the rotating shaft other end circumference limit shaft of described first worm gear 2d1 is in the union end being actively plugged in described screw connection 2c, described first worm screw 2d2 is driven by the first motor, described first motor is electrically connected with described control system, and described first motor is arranged on described housing 2b.Certainly, also other drive configurations can be adopted.The rotating shaft of described first worm gear 2d1 is slided by spacing square slider 2k and is inserted in the union end of described screw connection 2c.The relative circumferential movement between screw connection 2c and the rotating shaft of the first worm gear 2d1 is limited by spacing square slider 2k, by spacing square slider 2k, the rotary motion of the rotating shaft of the first worm gear 2d1 is delivered on screw connection 2c like this, and then achieves docking between screw connection 2c with coupling nut 2a; Simultaneously, by screw connection 2c being designed to slide axially in the rotating shaft of the first worm gear 2d1, like this, can when not moving tractor truck 6 and working position apparatus car 7, realize docking between screw connection 2c with coupling nut 2a, thus simplify operation, this connecting device is used more convenient.Position in the middle part of the rotating shaft of the interior corresponding described first worm gear 2d1 of described housing 2b is provided with stay bearing plate 2n, is arranged on described stay bearing plate 2n in the middle part of the rotating shaft of described first worm gear 2d1 by bearings.Add stay bearing plate 2n by the position in the middle part of the rotating shaft of the first worm gear 2d1 corresponding in housing 2b, can ensure that the rotating shaft of the first worm gear 2d1 rotates so more steady, thus when this connecting device is run more steadily, more reliable.Described housing 2b is spliced by fore shell 2b1 and back cover 2b2, and the Mosaic face of described fore shell 2b1 and back cover 2b2 is positioned at described stay bearing plate 2n place.By housing 2b is designed to split-type structural, be convenient to the installation and maintenance of the first driven unit 2d and stay bearing plate 2n like this.
The telescopic cavity holding described vibration roller 2e is provided with in the union end of above-mentioned coupling nut 2a, described vibration roller 2e comprises roller mount 2e1 and roller body 2e2, described roller body 2e2 can from being rotatably arranged on described roller mount 2e1, described roller mount 2e1 is arranged in described telescopic cavity by spring telescopically, and described roller body 2e2 rolling support is in described involute groove 1a.If run in transportation, road surface is uneven, upper downslope time, coupling nut 2a can with its interface point for the center of circle swings up and down, simultaneously, vibration roller 2e can do scroll-up/down under pitch force effect in involute groove 1a, make this connecting device can in the upper and lower motion of direction, vertical road surface certain amplitude, like this, this connecting device be perpendicular on the direction on road surface, be provided with certain elasticity to beat, thus ensure the flexible connected of tractor truck 6 and working position apparatus car 7.
The connection process of above-mentioned hitch gear 2 is as follows:
When needs tractor truck 6 is linked up with working position apparatus car 7, first, steering hardware 3 is utilized to carry out horizontal direction rough grade preparation centering; Then, control system controls the first driven by motor first worm screw 2d2 and the first worm gear 2d1 and rotates, first worm gear 2d1 again by the spacing square slider 2k in its rotating shaft by transmission of torque to screw connection 2c, the T-shaped screw thread of screw connection 2c and coupling nut 2a starts to screw, screw in process, position limiting convex ring 2g can continuous extruding Compress Spring 2j, connects put in place until position limiting convex ring 2g triggers put in place limit switch 2h, screw connection 2c of connection with coupling nut 2a; Now, connection puts in place, and just feedback signal is to control system for limit switch 2h, and control system controls the first motor stalls, and the first worm screw 2d2 and the first worm gear 2d1 group self-locking, working position apparatus car 7 connects complete with tractor truck 6.
The disconnecting process of above-mentioned hitch gear 2 is as follows:
After working position apparatus car 7 is drawn to appointed place, first, control system controls the first driven by motor first worm screw 2d2 and the first worm gear 2d1 and reverses, first worm gear 2d1 again by the spacing square slider 2k in its rotating shaft by transmission of torque to screw connection 2c, the T-shaped screw thread of screw connection 2c and coupling nut 2a starts to outward winding, and in unthreading process, Compress Spring 2j is constantly released, throw off put in place until position limiting convex ring 2g triggers put in place limit switch 2i, screw connection 2c and coupling nut 2a of disengagement; Now, disengagement puts in place, and just feedback signal is to control system for limit switch 2i, and control system controls the first motor stalls, and working position apparatus car 7 is thoroughly separated with tractor truck 6.
Above-mentioned track adjusting wheel 3d is slidably installed on described oscillating axle 3a by the chute 3f be opened on described oscillating axle 3a, during initial position, described track adjusting wheel 3d is positioned at the midway location of described involute limit track 3c, meanwhile, described track adjusting wheel 3d is positioned at described chute 3f one end towards described working position apparatus car 7.Described elastic parts 3e comprises center plate 3e1, extension spring 3e2 and yoke plate 3e3, one end of described yoke plate 3e3 is connected with the roller bearing of described track adjusting wheel 3d, the other end of described yoke plate 3e3 is by being connected with described center plate 3e1 by described extension spring 3e2, and described center plate 3e1 is fixedly mounted on described oscillating axle 3a.Described center plate 3e1 is strip plate, the quantity of described extension spring 3e2 is 2, described yoke plate 3e3 is set square and quantity is 2, one end of two pieces of described set squares is installed in the two ends of described track adjusting wheel 3d roller bearing, Bolt Connection is passed through at the other two ends of two pieces of described set squares respectively correspondence, one end of two described extension spring 3e2 is connected respectively at the middle part of two described bolts, the other end of two described extension spring 3e2 is connected with the two ends of described strip plate respectively, and described strip plate is fixedly inserted on described oscillating axle 3a.By adopting the elastic parts 3e of symmetrical structure, steering hardware 3 can be made like this to run more steady, thus when this connecting device can be made to run more steadily, more reliable.
When transport turns to, oscillating axle 3a swings around the interface point of itself and pedestal 3b, simultaneously, track adjusting wheel 3d under the influence of centrifugal force, overcome the pulling force of extension spring 3e2, rolled to about two ends by the midway location of involute limit track 3c, the steering angle of the most about 120 ° between working position apparatus car 7 and tractor truck 6, can be formed.Complete after turning to, when the free state without External force interference, track adjusting wheel 3d, under the pulling force of extension spring 3e2, rolls the midway location to involute limit track 3c automatically, until the line of centers centering of the line of centers of track adjusting wheel 3d and oscillating axle 3a and tractor truck 6, thus achieve the self-return turned to.
Above-mentioned opto-electronic pickup 4c comprises two projector 4c1 and piece reflector 4c2, described two projector 4c1 horizontal Tiles are arranged on the tailstock backboard of described tractor truck 6, described reflector 4c2 level is arranged on the headstock panel of described working position apparatus car 7, described projector 4c1 and the contour layout of described reflector 4c2, and spacing between described two projector 4c1 is consistent with the width of described reflector 4c2.By being adopted by opto-electronic pickup 4c two projector 4c1 to coordinate the structure of one piece of reflector 4c2, when meeting midline detect, can reduce costs like this.Described projector 4c1 is arranged on the top of described tractor truck 6 tailstock backboard or described pedestal 3b by adapter plate, and described reflector 4c2 is arranged on the top of described working position apparatus car 7 headstock panel.By projector 4c1 and reflector 4c2 is arranged in higher position, can effectively avoid blocking of other parts like this, improve the accuracy detected.
When two projector 4c1 all receive the optical signal of reflector 4c2 reflection, tractor truck 6 and working position apparatus car 7 line of centers centering are described, now just can start the docking of hitch gear 2, when only a projector 4c1 receives the optical signal of reflector 4c2 reflection, illustrate that tractor truck 6 and working position apparatus car 7 line of centers depart from, control system will judge offset direction, and control the second driven by motor second worm screw 4d2 and the second worm gear 4d1 and rotate, second worm gear 4d1 drives again screw mandrel 4b rotation, thus drive the related pedestal 3b of feed screw nut 4a to move according to offset direction together, until two projector 4c1 all receive the optical signal that reflector 4c2 reflects, control system just controls the second motor stalls, now, working position apparatus car 7 just completes centering with pedestal 3b.Connect successfully until hitch gear 2, control system controls the second driven by motor second worm screw 4d2 and the second worm gear 4d1 again and reverses, second worm gear 4d1 drives again the reverse rotation of screw mandrel 4b, thus drive the related pedestal 3b of feed screw nut 4a to come back to initial position, during such guarantee subsequent transportation, tractor truck 6 and working position apparatus car 7 are on same straight line.
Above-mentioned second driven unit 4d comprises the second worm gear 4d1 and the second worm screw 4d2 that cooperatively interact, the rotating shaft of described second worm gear 4d1 is connected with described screw mandrel 4b, described second worm screw 4d2 is driven by the second motor, described second motor is electrically connected with described control system, and described second motor is arranged on described tractor truck 6.Certainly, also other drive configurations can be adopted.
This device also comprises subsidiary level mechanism 5, described subsidiary level mechanism 5 comprises strut bar 5a and torque spring 5b, described strut bar 5a one end is installed in rotation on described tractor truck 6 by described torque spring 5b, and the support and connection of the described strut bar 5a other end are on described oscillating axle 3a.By the subsidiary level mechanism 5 adopting torque spring 5b to coordinate strut bar 5a, so on the one hand, can reduce the Oscillation Amplitude of vehicle in the vertical direction, on the other hand, structure is simple and cost is low.Described subsidiary level mechanism 5 also comprises spacing steel rope 5c, and described spacing steel rope 5c upper end is connected with described strut bar 5a upper end, and described spacing steel rope 5c lower end is connected with described tractor truck 6.Strut bar 5a can be effectively avoided to cause resilience too high because elastic force is excessive by the spacing steel rope 5c added.The quantity of described strut bar 5a, described torque spring 5b and described spacing steel rope 5c is 2, strut bar 5a, described torque spring 5b described in one group and described spacing steel rope 5c are arranged in the side of described tractor truck 6, and another organizes the opposite side that described strut bar 5a, described torque spring 5b and described spacing steel rope 5c are arranged in described tractor truck 6.By arranging one group of strut bar 5a, torque spring 5b and spacing steel rope 5c respectively in tractor truck 6 both sides, such one side, the torque spring 5b that model is less can be selected, thus reduce cost, on the other hand, the support of subsidiary level mechanism 5 couples of oscillating axle 3a can be made more steady, thus the stationarity that further increasing when this connecting device runs and reliability.
In tractor truck 6 transportation, as run into, road surface is uneven, upper downslope time, connecting of tractor truck 6 and working position apparatus car 7 need be ensured, perpendicular on the direction on road surface, there is certain elasticity and beat.In addition, even if when quiescence, hitch gear 2 and steering hardware 3, also can with screw mandrel 4b axis for the center of circle rotate under self-gravity action.The effect of subsidiary level mechanism 5, makes hitch gear 2 and steering hardware 3 maintenance level exactly when not transporting, under allowing about 100Kg External Force Acting when transporting, tractor truck 6 and working position apparatus car 7 exist certain drop perpendicular to direction, road surface.Particularly, when tractor truck in transportation 6 exists drop with working position apparatus car 7, under the double reaction plus of external force and torque spring 5b, strut bar 5a holds steering hardware 3, with the line of centers of torque spring 5b for axis swings up and down.In addition, under the restriction that the spacing steel rope 5c between strut bar 5a with tractor truck 6 connects, what can control hitch gear 2 and steering hardware 3 swings up and down amplitude, to ensure transportation safety.
Above-mentioned vehicle automatic coupling connection device drives the coupling nut 2a that cooperatively interacts and screw connection 2c automatically to connect by the first driven unit 2d, thus achieves the automatic connection of working position apparatus car 7 and tractor truck 6; By installing telescopic vibration roller 2e at the union end of coupling nut 2a, and the involute groove 1a offered in Connection Block 1 for support guide vibration roller 2e, the impact shaking generation in transportation can be reduced like this, thus reduce the probability of occurrence of safety misadventure and body in white damage; The steering hardware 3 added can ensure that this connecting device can automatically reset after turning, but also turn inside diameter can be made more steady; The centering mechanism 4 added can realize coupling nut 2a and aiming between screw connection 2c, thus simplifies operation further, reduces the labour intensity of workman; Put in place limit switch 2h and disengagement of connection is coordinated to put in place limit switch 2i by the position limiting convex ring 2g that adds, coupling nut 2a and the automatic control of docking between screw connection 2c with throw off can be realized, judge coupling nut 2a puts in place with whether connecting between screw connection 2c to put in place or throw off without the need to manpower intervention, thus further simplify operation, reduce the labour intensity of workman; The access hole added facilitates and connects put in place limit switch 2h and the maintenance in the future of throwing off the limit switch 2i that puts in place; By Compress Spring 2j between position limiting convex ring 2g and the inwall of housing 2b butt end, like this, after ensureing that on the one hand coupling nut 2a connects with screw connection 2c and puts in place, screw connection 2c can not slide by occurred level on the output shaft of the first driven unit 2d, thus stationarity when ensure that vehicular transport, can ensure that coupling nut 2a can be separated when throwing off completely with screw connection 2c on the other hand; The relative circumferential movement between screw connection 2c and the rotating shaft of the first worm gear 2d1 is limited by spacing square slider 2k, by spacing square slider 2k, the rotary motion of the rotating shaft of the first worm gear 2d1 is delivered on screw connection 2c like this, and then achieves docking between screw connection 2c with coupling nut 2a; By screw connection 2c being designed to slide axially in the rotating shaft of the first worm gear 2d1, like this, when not moving tractor truck 6 and working position apparatus car 7, docking between screw connection 2c with coupling nut 2a can be realized, thus simplify operation, this connecting device is used more convenient; Add stay bearing plate 2n by the position in the middle part of the rotating shaft of the first worm gear 2d1 corresponding in housing 2b, can ensure that the rotating shaft of the first worm gear 2d1 rotates so more steady, thus when this connecting device is run more steadily, more reliable; By housing 2b is designed to split-type structural, be convenient to the installation and maintenance of the first driven unit 2d and stay bearing plate 2n like this; By adopting the elastic parts 3e of symmetrical structure, steering hardware 3 can be made like this to run more steady, thus when this connecting device can be made to run more steadily, more reliable; By being adopted by opto-electronic pickup 4c two projector 4c1 to coordinate the structure of one piece of reflector 4c2, when meeting midline detect, can reduce costs like this; By projector 4c1 and reflector 4c2 is arranged in higher position, can effectively avoid blocking of other parts like this, improve the accuracy detected; By the subsidiary level mechanism 5 adopting torque spring 5b to coordinate strut bar 5a, so on the one hand, can reduce the Oscillation Amplitude of vehicle in the vertical direction, on the other hand, structure is simple and cost is low; Strut bar 5a can be effectively avoided to cause resilience too high because elastic force is excessive by the spacing steel rope 5c added; By arranging one group of strut bar 5a, torque spring 5b and spacing steel rope 5c respectively in tractor truck 6 both sides, such one side, the torque spring 5b that model is less can be selected, thus reduce cost, on the other hand, the support of subsidiary level mechanism 5 couples of oscillating axle 3a can be made more steady, thus the stationarity that further increasing when this connecting device runs and reliability.
Claims (10)
1. the hitch gear for vehicle automatic coupling connection device, it is characterized in that, comprise coupling nut (2a) and housing (2b), in the horizontally hinged Connection Block (1) on working position apparatus car (7) of union end plug-in mounting of described coupling nut (2a), involute groove (1a) is provided with in described Connection Block (1), the union end of described coupling nut (2a) is provided with telescopic vibration roller (2e), described vibration roller (2e) rolling support is in described involute groove (1a), the butt end of described housing (2b) is provided with the interior guiding conical surface (2f) matched with the butt end of described coupling nut (2a), the screw connection (2c) that matches with described coupling nut (2a) and the first driven unit (2d) for driving described screw connection (2c) to rotate is separately installed with in described housing (2b), described first driven unit (2d) is electrically connected with control system, the output shaft circumference limit shaft of described first driven unit (2d) is in the union end being actively plugged in described screw connection (2c), the butt end of described screw connection (2c) is towards the butt end of described coupling nut (2a).
2. the hitch gear for vehicle automatic coupling connection device according to claim 1, it is characterized in that, position limiting convex ring (2g) is provided with in the middle part of the outer wall of described screw connection (2c), the both sides of the upper corresponding described position limiting convex ring (2g) of described housing (2b) are respectively equipped with put in place limit switch (2h) and disengagement of connection and put in place limit switch (2i), and described connection limit switch (2h) and the described disengagement limit switch (2i) that puts in place that puts in place is electrically connected with described control system respectively.
3. the hitch gear for vehicle automatic coupling connection device according to claim 2, it is characterized in that, the upper corresponding described connection of described housing (2b) put in place the position of limit switch (2i) of limit switch (2h) and described disengagement that puts in place offers access hole.
4. the hitch gear for vehicle automatic coupling connection device according to claim 3, is characterized in that, described access hole place is provided with limit switch guard shield (2m).
5. the hitch gear for vehicle automatic coupling connection device according to claim 2, is characterized in that, is provided with Compress Spring (2j) between the inwall of described position limiting convex ring (2g) and described housing (2b) butt end.
6. the hitch gear for vehicle automatic coupling connection device according to claim 1, it is characterized in that, described first driven unit (2d) comprises the first worm gear (2d1) and the first worm screw (2d2) that cooperatively interact, rotating shaft one end of described first worm gear (2d1) is arranged on described housing (2b) by bearing, the rotating shaft other end circumference limit shaft of described first worm gear (2d1) is in the union end being actively plugged in described screw connection (2c), described first worm screw (2d2) is driven by the first motor, described first motor is electrically connected with described control system.
7. the hitch gear for vehicle automatic coupling connection device according to claim 6, it is characterized in that, the rotating shaft of described first worm gear (2d1) is slided by spacing square slider (2k) and is inserted in the union end of described screw connection (2c).
8. the hitch gear for vehicle automatic coupling connection device according to claim 6, it is characterized in that, position in the middle part of the rotating shaft of interior corresponding described first worm gear (2d1) of described housing (2b) is provided with stay bearing plate (2n), is arranged on described stay bearing plate (2n) in the middle part of the rotating shaft of described first worm gear (2d1) by bearings.
9. the hitch gear for vehicle automatic coupling connection device according to claim 7, it is characterized in that, described housing (2b) is spliced by fore shell (2b1) and back cover (2b2), and the Mosaic face of described fore shell (2b1) and back cover (2b2) is positioned at described stay bearing plate (2n) place.
10. the hitch gear for vehicle automatic coupling connection device according to claim 1, it is characterized in that, the telescopic cavity holding described vibration roller (2e) is provided with in the union end of described coupling nut (2a), described vibration roller (2e) comprises roller mount (2e1) and roller body (2e2), described roller body (2e2) can from being rotatably arranged in described roller mount (2e1), described roller mount (2e1) is arranged in described telescopic cavity by spring telescopically, described roller body (2e2) rolling support is in described involute groove (1a).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510572169.9A CN105128613B (en) | 2015-09-09 | 2015-09-09 | Hook mechanism for automatic vehicle coupling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510572169.9A CN105128613B (en) | 2015-09-09 | 2015-09-09 | Hook mechanism for automatic vehicle coupling device |
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| CN105128613A true CN105128613A (en) | 2015-12-09 |
| CN105128613B CN105128613B (en) | 2017-05-17 |
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| CN108202567A (en) * | 2016-12-20 | 2018-06-26 | 福特全球技术公司 | For monitoring the coupling for land vehicle being connect with trailer connector |
| CN110341403A (en) * | 2019-07-23 | 2019-10-18 | 杜慎之 | The mixed dynamic station wagon of Hydrogen Energy |
| CN110539772A (en) * | 2019-09-24 | 2019-12-06 | 苏国安 | Automatic hooking and unhooking mechanism, automatic hooking and unhooking device of mine car and mine car |
| CN114228410A (en) * | 2021-12-24 | 2022-03-25 | 上海创时汽车科技有限公司 | Automatic connection device and control method for intelligent driving automobile |
| CN114505889A (en) * | 2022-04-19 | 2022-05-17 | 天津联汇智造科技有限公司 | Traction robot, goods taking and placing method based on traction robot and storage |
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| CN114228410A (en) * | 2021-12-24 | 2022-03-25 | 上海创时汽车科技有限公司 | Automatic connection device and control method for intelligent driving automobile |
| CN114505889A (en) * | 2022-04-19 | 2022-05-17 | 天津联汇智造科技有限公司 | Traction robot, goods taking and placing method based on traction robot and storage |
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|---|---|
| CN105128613B (en) | 2017-05-17 |
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