CN208760771U - Vehicle body with rotary components embraces tool - Google Patents

Abstract

The utility model discloses a kind of vehicle bodies with rotary components to embrace tool, including for rigidly connected armful of lifting device have frame, be installed on embrace be used to support in tool rear frame legs vehicle body and can in supporting plane the rotating support of reciprocally swinging and driving assembly for driving rotating support；The utility model rotating support can be parallel to vehicle body and withdraw or open perpendicular to vehicle body, increase using flexible, have frame interior space by swinging releasable embrace, improves space service efficiency, while this structural framing is reasonable, bonding strength is high, shake, slipping phenomenon will not occur during lifting, overall stability is good, greatly reduces the security risk that vehicle body is fallen and the risk interfered, it is suitable for various, effectively improves switching precision and productive temp.

Description

Vehicle body with rotary components embraces tool

Technical field

The utility model belongs to field of automobile, is related to automobile and is used to ship and convey in process of production making The technological equipment of product, in particular to a kind of vehicle body with rotary components embrace tool.

Background technique

With being growing more intense for automobile market competition, more and more car manufacturers are using constantly release new model Marketing mode attracts consumer, to expand occupation rate of market.The multi items of vehicle, small lot production method are increasingly becoming automobile The mainstream of production line.So it is indispensable one of technological equipment that vehicle body, which embraces tool, in the manufacturing of automobile, existing vehicle body is embraced Tool is usually scissor-like structure, and specially vehicle body embraces tool and self-propelled hoist varied rigid link, is pitched and is gone up and down by scissors, motor driven Push rod opens and closes scissors fork；Since varied rigid link and scissors pitch structural instability itself, the scissors fork knot in lifting Structure is easy to happen shake, will lead to scissors fork support portion and vehicle body skids and the risk that vehicle body is fallen occurs, there is great peace Shake, slipping phenomenon become apparent when full hidden danger, especially replacement differ the lifting of biggish vehicle, to avoid slipping phenomenon, It is few that scissors fork mechanism space generally adjusts surplus, causes to lift by crane different vehicles new model bad adaptability, need Revamping workload is big, influences to produce, and due to jitter phenomenon, vehicle body is difficult to effective position with the sensor embraced on tool, easily leads to sensor Failure causes vehicle body and embraces the accident for having and interfering；

In order to meet the market demand, the case where a plurality of mixed models produce, is very universal, thus production line is needed to have The ability of various mixed production, especially production line embrace tool, because embracing the supporting point of tool with vehicle body for different vehicles Difference, it is so obvious not yet for close mixed model production difference, but when for differing the production of larger mixed model, meeting Occur embracing the not applicable situation of tool.

Therefore, it is necessary to the structures for embracing tool to existing vehicle body to improve, and solve the problems, such as that vehicle body embraces tool bad adaptability, improve The switching precision and productive temp of production line.

Utility model content

In view of this, the present invention provides a kind of vehicle bodies with rotary components to embrace tool, solves vehicle body and embraces tool adaptability The problem of difference, improves the switching precision and productive temp of production line.

The vehicle body with rotary components of the utility model embraces tool, including is used for and rigidly connected armful of tool frame of lifting device Frame, be installed on embrace tool rear frame legs on be used to support vehicle body and can in supporting plane reciprocally swinging rotating support and use In the driving assembly of driving rotating support；The swing that rotating support is driven by driving assembly makes it be parallel to vehicle body receipts It returns or is opened perpendicular to vehicle body, increase using flexible, by swinging releasable armful of tool frame interior space, improve sky Between service efficiency, while this structural framing is reasonable, and bonding strength is high, and shake, slipping phenomenon will not occur during lifting, whole Body stability is good, greatly reduces the security risk that vehicle body is fallen, is suitable for various, effectively improves switching precision and production Beat.

Further, the driving component includes providing the driving device of power and extremely revolving the power transmission of driving device Turn the transmission component that support frame drives it to swing；Driving device passes through transmission component for power transmission to the rotation of axle sleeve propeller shaft sleeve Turn to drive the rotation of rotating support.

Further, the transmission component includes active swing arm, one end and the active swing arm resistance driven by driving device End forms the intermediate connecting rod of revolute pair, forms the driven swing arm of revolute pair, the driven swing arm and rotation with the intermediate connecting rod other end Turn support frame to be fixedly connected and be used to that rotating support to be driven to prolong its rotation central axis string pendulum dynamic；It is active swing arm, intermediate connecting rod, driven Swing arm and rack constitute four-bar mechanism, and rack is to embrace tool frame herein, wherein active swing arm, intermediate connecting rod, slave pendulum The length setting variation of arm can form crank and rocker mechanism or double rocker mechanism, equally adjustable by adjusting the length of three The maximum rotation angle of rotating support, the difference of the rotation angle of the maximum rotation angle and setting of rotating support are to rotate Surplus；There are certain rotation surpluses can there are certain fault tolerant workspace, the rotations of setting when rotation occurred for active swing arm Angle can be controlled by sensor can also be set by the specific structure of four-bar linkage structure itself, no longer superfluous herein It states；Be driven using this structure, it is big to bear load, manufacture it is easy to assembly, it is at low cost, it can be achieved that rotating support is pre- Reciprocal operation in fixed track can get higher running accuracy, while pass through the peering driven swing arm rotation of four-bar linkage structure itself The restriction of gyration reduces the mechanical limit structure for controlling driven swing arm rotation angle degree, can eliminate transmission caused by overwinding turns The rigid collision situation that part and mechanical limit structure occur, eliminates zero caused by driving member and mechanical limit structure rigid collision Parts damages improve the reliability of system.

Further, described armful of tool frame be equipped with rotating support that two groups are respectively used to two side shirt edge of support vehicle body and For the respective drive component that every group of rotation support component shares, every group there are two rotating support, the transmission component further includes Follower lever, the follower lever both ends respectively with same group in driven swing arm where two rotating supports form revolute pair for same Walk the swing of two driven swing arms；This structure moves towards direction along vehicle body on embracing tool frame and forms two pairs of rotating supports, can be right Vehicle body carries out stable support, makes two be located at in group driven swing arms realize synchronous hunting by adding follower lever, makes The swing for obtaining rotating support has global consistency, avoids swinging the asynchronous opposite sliding for leading to vehicle body and armful tool generation； And this structure drives two rotation support components by a set of driving assembly, reduces driving assembly, optimizes structure, saving at This.

Further, the rotating support is circumscribed with axle sleeve, and the axle sleeve covers on pin shaft centered on pin shaft central axes Rotating support reciprocally swinging is driven, the axle sleeve is fixedly connected with driven swing arm, and the pin shaft setting is on embracing tool frame；Rotation Turn support frame to swing adjustment corresponding position opening around pin shaft or withdraw, rotating support is freely rotatable around pin shaft, does not have There is setting mechanical stop limiter to limit rotation angle, rigid collision will not occur rotation phenomenon occurred.

Further, be provided with outside the axle sleeve for control axle sleeve rotation angle degree close to switch；Close to switch and accordingly Controller association, by corresponding feedback signal back to driving device control driving device start and stop, thus control rotation branch The rotation angle of support, this structure can control the rotation angle of rotating support according to actual conditions, and rotating support is suitable for Tool is embraced in the vehicle body of different structure.

Further, the axle sleeve and pin shaft are rotatably assorted by bearing.(interference fit can be used in bearing inner race fixed installation Installation) on pin shaft, outer ring is fixedly connected with bore sleeve and (interference fit installation can be used), and axle sleeve is opposite in company with bearing outer ring Pin shaft rotation drives rotating support to rotate, and adds bearing and axle sleeve avoids rotating support rotation smoothness directly Abrasion, increases the service life of components caused by contacting with pin shaft.

Further, the supporting block for adapting to vehicle body skirt bottom is removably connected on the rotating support；Support Block contacts the weight for being used to support vehicle body with vehicle body skirt, can change the installation site and replacement of supporting block according to different vehicles To corresponding supporting block, supporting block is easily changed maintenance to achieve the purpose that be suitable for various, the specific shape of supporting block Shape is designed according to corresponding vehicle skirt.

Further, the driving device is driving motor, and the driving motor output shaft is arranged in parallel with pin shaft, can be used Stepper motor adds the combination of controller to be also possible to the combination that servo motor adds encoder to add controller to carry out to electricity The control of machine rotational angle can also be used other combinations and be controlled accordingly, no longer repeated one by one herein.

The utility model has the beneficial effects that

The utility model rotating support can be parallel to vehicle body and withdraw or open perpendicular to vehicle body, increase using flexible Property, have frame interior space by swinging releasable embrace, improve space service efficiency, while this structural framing is reasonable, connects Intensity is high, shake, slipping phenomenon will not occur during lifting, overall stability is good, greatly reduces the peace that vehicle body is fallen Full hidden danger and the risk interfered, are suitable for various, effectively improve switching precision and productive temp.

The utility model by motor driven and multi-link structure drive rotating support swing realize automatically open or It withdraws, it can be achieved that space freely discharges, by rotating angle close to switch control, rotating support rotates adjustable angle, The vehicle body that can be adapted to different structure according to the structure type of vehicle body and armful tool embraces tool；Most by multi-link structure control The difference of big swing angle, full swing angle and practical swing angle was to turn surplus, by turning close to switch control is practical Dynamic angle limits maximum rotation angle also by drive mechanism itself, i.e., there are turning surplus also controls full swing angle excessively Degree effectively prevents damage of components caused by overwinding turns；

Rotating support swings adjustment corresponding position around pin shaft and opens or withdraw, and rotating support can be free around pin shaft Rotation is not provided with mechanical stop limiter and limits rotation angle, rigid collision will not occur rotation phenomenon occurred；

The vehicle body of the utility model embraces tool and drives two rotating supports by a set of driving device, realizes rotating support Synchronous rotary, be accurately positioned so that the swing of rotating support has global consistency, avoiding swinging asynchronous leads to vehicle body With the opposite sliding for embracing tool generation；Reduce driving assembly, optimizes structure, save the cost.

Detailed description of the invention

The utility model is further described with reference to the accompanying drawings and examples.

Fig. 1 is that vehicle body when the utility model rotating support is withdrawn embraces lamps structure schematic diagram；

Fig. 2 is that vehicle body when the utility model rotating support is opened embraces lamps structure schematic diagram；

Fig. 3 is that the utility model vehicle body embraces tool side structure schematic view；

Fig. 4 is that the utility model vehicle body embraces tool overlooking structure diagram；

Fig. 5 is that the utility model rotates support component structural schematic diagram；

Fig. 6 is the utility model driving assembly structural schematic diagram；

Specific embodiment

Fig. 1 is that vehicle body when the utility model rotating support is withdrawn embraces lamps structure schematic diagram, and Fig. 2 is the utility model rotation Turn vehicle body when support frame is opened and embrace lamps structure schematic diagram, Fig. 3 is that the utility model vehicle body embraces tool side structure schematic view, Fig. 4 Tool overlooking structure diagram is embraced for the utility model vehicle body, Fig. 5 is that the utility model rotates support component structural schematic diagram, Fig. 6 For the utility model driving assembly structural schematic diagram；

As shown in the figure: vehicle body of the present embodiment with rotary components embraces tool, including for rigidly connected with lifting device Embrace tool frame 14, be installed on embrace tool rear frame legs on be used to support vehicle body and can in supporting plane reciprocally swinging rotation support Frame 2 and driving assembly for driving rotating support 2；The swing that rotating support 2 is driven by driving assembly keeps it flat Row withdraws in vehicle body or opens perpendicular to vehicle body, increases using flexible, and it is empty that tool lower portion is releasably embraced by swing Between, improve space service efficiency, while this structural framing is reasonable, bonding strength is high, will not occur during lifting shake, Slipping phenomenon, overall stability is good, greatly reduces the security risk that vehicle body is fallen, is suitable for various, effectively improves and turns Connect precision and productive temp；

In the present embodiment, the driving component includes the driving device for providing power and the power transmission by driving device The transmission component for driving it to swing to rotating support 2；Driving device passes through transmission component for power transmission to axle sleeve drive shaft The rotation of set is to drive the rotation of rotating support.

In the present embodiment, the driving component includes the driving device for providing power and the power transmission by driving device The transmission component for driving it to swing to rotating support 2；Driving device passes through transmission component for power transmission to axle sleeve drive shaft The rotation of set is to drive the rotation of rotating support.

In the present embodiment, the transmission component includes active swing arm 8, one end and the active swing arm driven by driving device Resistance end forms the intermediate connecting rod 9 of revolute pair, forms the driven swing arm 10 of revolute pair, the slave pendulum with the intermediate connecting rod other end Arm 10 is fixedly connected with rotating support 2 and moves for driving rotating support 2 to prolong its rotation central axis string pendulum；Active swing arm power End for driving device transmission cooperation one end, resistance end be one end opposite with power end, active swing arm, intermediate connecting rod, Driven swing arm and rack constitute four-bar mechanism, herein rack be embrace tool a frame, wherein active swing arm, intermediate connecting rod, from The length setting variation of movable pendulum arm can form crank and rocker mechanism or double rocker mechanism, equally can be with by adjusting the length of three The maximum rotation angle of rotating support is adjusted, the difference of the rotation angle of the maximum rotation angle and setting of rotating support is Rotate surplus, there are certain rotation surplus, when rotation occurred for active swing arm can there are certain fault tolerant workspace, setting Rotation angle can be controlled by sensor and can also be set by the specific structure of four-bar linkage structure itself, herein not It repeats again；Be driven using this structure, it is big to bear load, manufacture it is easy to assembly, it is at low cost, it can be achieved that rotating support The 2 reciprocal operation in desired trajectory can get higher running accuracy, while pass through the peering slave pendulum of four-bar linkage structure itself Arm rotates the restriction of angle, reduces the mechanical limit structure for controlling driven swing arm rotation angle degree, can eliminate overwinding and turn caused The rigid collision that driving member and mechanical limit structure occur, eliminates zero caused by driving member and mechanical limit structure rigid collision Parts damages improve the reliability of system.

In the present embodiment, described armful of tool frame 14 is equipped with two groups of rotation supports for being respectively used to two side shirt edge of support vehicle body Frame 2 and the respective drive component shared for every group of rotation support component, every group there are two rotating support 2, the transmission groups Part further includes follower lever 11,11 both ends of follower lever respectively with same group in driven swing arm 10 where two rotating supports 2 Form the swing that revolute pair is used to synchronize two driven swing arms 10；This structure is moved towards direction along vehicle body on embracing tool frame 14 and is formed Two pairs of rotating supports 2 can carry out stable support to vehicle body, will be located at two slave pendulums in group by adding follower lever The linkage of arm 10 gets up to realize the synchronous hunting of two rotating supports 2, so that the swing of rotating support has global consistency, It avoids swinging the asynchronous opposite sliding for causing vehicle body and armful tool to occur；And this structure drives two by a set of driving assembly Support component is rotated, driving assembly is reduced, optimizes structure, save the cost.

In the present embodiment, the rotating support 2 is circumscribed with axle sleeve 4, and 4 sets of the axle sleeve is on pin shaft 1 with 1 axis of pin shaft 2 reciprocally swinging of rotating support is driven centered on line, the axle sleeve 4 is fixedly connected with driven swing arm 10, and the setting of pin shaft 1 exists It embraces on tool frame 14；Axle sleeve 4 can be rotated relative to pin shaft 1, can also drive axle sleeve relative to the static rotation by pin shaft 1 of pin shaft 1 Rotation, rotating support swing adjustment corresponding position around pin shaft and open or withdraw, and rotating support can freely be revolved around pin shaft Turn, is not provided with mechanical stop limiter and limits rotation angle, rigid collision will not occur rotation phenomenon occurred.

In the present embodiment, be provided with outside the axle sleeve 4 for control axle sleeve rotation angle degree close to switch 6；Close to switch It is associated with corresponding controller, by corresponding feedback signal back to the start and stop of driving device control driving device, to control The rotation angle of rotating support, this structure can control the rotation angle of rotating support, rotating support according to actual conditions The vehicle body for being adaptable to different structure embraces tool；Pass through the practical angle of oscillation close to switch control rotating support in the present embodiment Degree, by multi-link structure control full swing angle, the difference of full swing angle and practical swing angle was to turn surplus, control It has made actual rotation angle and has limited maximum rotation angle also by drive mechanism itself, i.e., there are turn surplus excessively also to control most Big swing angle effectively prevents damage of components caused by overwinding turns by the way that mechanism is rationally effectively protected.

In the present embodiment, the axle sleeve 4 is rotatably assorted with pin shaft 1 by bearing 5；Bearing 5 there are two settings on pin shaft 1, Wherein pin shaft 1 is ladder shaft-like structure, and there is the flange for Limit Bearing 1 in 4 inner cavity of axle sleeve, and screw thread connects in the small journal axle of pin shaft 1 It is connected to nut 12, one of bearing is limited by the shaft shoulder and flange end, it is another by flange the other end and nut limit A bearing, bearing inner race are fixedly mounted and (interference fit installation can be used) on pin shaft, and outer ring is fixedly connected with 4 inner cavity of axle sleeve (interference fit installation can be used), axle sleeve 4, which is rotated in company with bearing outer ring relative to pin shaft, drives rotating support to rotate, and increases If bearing and axle sleeve avoid rotating support rotation smoothness directly contacts caused abrasion with pin shaft, components are increased Service life.

In the present embodiment, the supporting block for adapting to vehicle body skirt bottom is removably connected on the rotating support 2 3；Supporting block 3 is removably connect by cross recessed countersunk head sscrew with rotating support 2, and supporting block is contacted with vehicle body skirt and is used for The weight of vehicle body is supported, the installation site of supporting block can be changed according to different vehicles and is replaced to corresponding supporting block, branch Bracer is easily changed maintenance to achieve the purpose that be suitable for various, and the concrete shape of supporting block is according to corresponding vehicle skirt Design.

In the present embodiment, the driving device is driving motor 7, and 7 output shaft of driving motor is parallel with pin shaft 1 to be set It sets, stepper motor can be used, the combination of controller is added to be also possible to the combination that servo motor adds encoder to add controller The control to motor rotational angle is carried out, other combinations can also be used and controlled accordingly, no longer repeat one by one herein.

In the present embodiment, embraces tool frame 14 and be rigidly connected by cage mounting rack 13 and lifting device, wherein embracing tool frame 14 are made of several groups door shaped stent, and door shaped stent is sequentially connected composition frame structure by crossbeam, positioned at the two of door shaped stent Side is symmetrically connected with two groups of rotating supports 2, includes two rotating supports 2 in every group, with two rotating supports 2 in organizing Between be provided with a set of transmission component, wherein pin shaft 1 is fixedly connected on crossbeam, embraces the hollow position of tool frame 14 for accommodating Body structure, it is identical as door shaped stent orientation that vehicle body moves towards direction, follower lever 11 and two driven swing arms 10 and crossbeam Four-bar mechanism is formd, the revolute pair at one is connected to be formed simultaneously by intermediate connecting rod 9, driven swing arm 10,11 three of follower lever One compound hinges；By the connection of follower lever 11 so that two driven swing arms 10 form synchronous hunting, when rotating support 2 To when embracing in tool frame 14, rotating support 2 opens the vehicle body for being located at for support and embracing in tool frame 14 for rotation, when rotation supports When the rotation of frame 2 is outer to armful tool frame 14, embrace in tool frame 14 without mounting structures；To avoid the rotation of rotating support 2 to an armful tool frame Event is scratched outside frame 14, in conjunction with Fig. 4, the rotation angle [alpha] control of rotating support 2 is 90 degree in the present embodiment, i.e., from Work as rotation to tool 14 internal rotating of frame is embraced to the position with the beam vertical of door shaped stent in the parallel position of the crossbeam of door shaped stent Turn when the rotation of support frame 2 to the parallel position of the crossbeam of door shaped stent to be retrieving position, releases embrace in tool frame 14 at this time Portion space also avoids the problem of scratching with external equipment, can determine rotation according to the specific structure for embracing tool frame 14 certainly Turn the size and orientation of the rotation angle [alpha] of support frame 2, to achieve the purpose that opening and withdrawal.

Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model It encloses, should all cover in the scope of the claims of the utility model.

Claims (9)

1. a kind of vehicle body with rotary components embraces tool, it is characterised in that: including for having with rigidly connected armful of lifting device Frame, be installed on embrace tool rear frame legs on be used to support vehicle body and can in supporting plane the rotating support of reciprocally swinging and For driving the driving assembly of rotating support.

2. the vehicle body according to claim 1 with rotary components embraces tool, it is characterised in that: the driving component includes mentioning Driving device for power and the transmission component for driving it to swing the power transmission of driving device to rotating support.

3. the vehicle body according to claim 2 with rotary components embraces tool, it is characterised in that: the transmission component includes logical Active swing arm, one end and the active swing arm resistance end of over-driving device driving form the intermediate connecting rod and intermediate connecting rod of revolute pair The other end forms the driven swing arm of revolute pair, and the driven swing arm is fixedly connected with rotating support and is used to drive rotation support It is dynamic that frame prolongs its rotation central axis string pendulum.

4. the vehicle body according to claim 3 with rotary components embraces tool, it is characterised in that: described armful of tool frame is equipped with Two groups of respective drives for being respectively used to the rotating support of two side shirt edge of support vehicle body and being shared for every group of rotation support component Component, every group there are two rotating support, the transmission component further includes follower lever, the follower lever both ends respectively with same group in Driven swing arm where two rotating supports forms the swing that revolute pair is used to synchronize two driven swing arms.

5. the vehicle body according to claim 3 with rotary components embraces tool, it is characterised in that: the rotating support is external Have an axle sleeve, the axle sleeve is covered drives rotating support reciprocally swinging on pin shaft centered on pin shaft central axes, the axle sleeve with Driven swing arm is fixedly connected, and the pin shaft setting is on embracing tool frame.

6. the vehicle body according to claim 5 with rotary components embraces tool, it is characterised in that: be provided with use outside the axle sleeve In control axle sleeve rotation angle degree close to switch.

7. the vehicle body according to claim 5 with rotary components embraces tool, it is characterised in that: the axle sleeve passes through with pin shaft Bearing is rotatably assorted.

8. the vehicle body according to claim 1 with rotary components embraces tool, it is characterised in that: can on the rotating support Dismantling connection has the supporting block for adapting to vehicle body skirt bottom.

9. the vehicle body according to claim 5 with rotary components embraces tool, it is characterised in that: the driving device is driving Motor, the driving motor output shaft are arranged in parallel with pin shaft.