CN101275439B

CN101275439B - Sole weight steering mechanism

Info

Publication number: CN101275439B
Application number: CN2008100707765A
Authority: CN
Inventors: 李国水
Original assignee: FUZHOU CULTIVATION PATENT DEVELOPMENT Co Ltd
Current assignee: Fuzhou cultivation Patent Development Co., Ltd.
Priority date: 2008-03-20
Filing date: 2008-03-20
Publication date: 2012-05-30
Anticipated expiration: 2028-03-20
Also published as: CN101275439A

Abstract

The invention discloses a deadweight steering mechanism which realizes rotating steering by the pressure of an object itself, in no need of electrical power or other external powers, and is arranged on the ground or the platform of a lifting device for use. When the deadweight steering mechanism is arranged on a tray of a vehicle, etc. entering mechanisms on the ground, the tray automatically rotates to a preset angle or direction, and when the deadweight steering mechanism arranged on the tray of the vehicle, etc. leaving mechanisms on the ground, the tray automatically returns to an original position; when the deadweight steering mechanism is arranged on the platform of the lifting device, the lifting tray on the platform automatically rotates to a preset angle, and the platform falling tray returns to an original position. The mechanism can be reused, has simple and reliable structure, and practical and convenient.

Description

Sole weight steering mechanism

Technical field

The invention belongs to field of mechanical technique, particularly a kind of jacking equipment platform tumbler of garage, vehicle pivot turn device are only with the weight power of the deadweight sole weight steering mechanism that turns to automatically of mechanism at once.

Background technology

The existing a lot of storage depot of kind; But because the limitation of garage environment, technical condition, after car gets into the whirligig that also must lean on behind the elevating stage by another Electric Machine Control the car on the elevating stage is rotated an angle direction, can get into parking position; Perhaps increase in addition on the lift platform and vehicle-containing is set or claims holder sweep and so on transversely movable device; Therefore seem very time-consuming and trouble are also wanted many electricity consumptions and are wasted electric power resource, increase the burden of cost then; It is very compact that all arrange on existing parking space, garage parking, and vehicle requirement tune is turned and waited is very to bother.In the Chinese patent: 200420085314.8,200510049398.9,200610052638.5,200720095192.4 all expressed the situation in above-mentioned existing garage and the technical scheme of being taked of dealing with problems.

Show from the interrelated data retrieval that comprises Chinese patent, do not see on the ground such as carried car or loading of hoist at present as yet or need not external power on the platform that moves up and down, the relevant report of the mechanism of only rotating at once with the weight power of deadweight.

Summary of the invention

In order to overcome the deficiency of prior art; The objective of the invention is to provide a kind of simple in structure, need not electronic or other external power, practical and convenient; Can be provided with on the ground or the platform of jacking equipment on use, only realize the sole weight steering mechanism that turns to the pressure of the weight of object own.Be arranged on the ground pallet of realizing like access mechanisms such as vehicles, pallet turns to voluntarily promptly on the pallet of decorporations such as set angle or direction, vehicle then that pallet turns round original position voluntarily; But be arranged on deadweight rotating mechanism implementation platform on the platform of the jacking equipment liftoff pallet that rises and promptly turn to set angle voluntarily, platform lands pallet and promptly is returned to former orientation.Said mechanism all can be recycled.

The technical solution adopted for the present invention to solve the technical problems is: the present invention has used the effect of the mating reaction each other of nut, screw rod; The nut-screw of having used multiple thread and tool king bolt lift angle cooperates the rationale that only is in transmission connection but can not the self-locking deadweight rotation changement for the basis; It is characterized in that: the baseplane of a pallet be provided with downward vertically one have helical angle at 20 °～60 ° with interior multiple-threaded screw rod; But be combined on the respective design parameter of screw rod the setting of nut consubstantiality, can be fixedly connected on the fixed mount or platform that jacking equipment moves up and down on; The tooth form of screw thread can be common pattern commonly used; But for the obstruction of the power of reducing friction, the pattern of screw thread can be set to ball screw, perhaps is set to the pattern that helical guide groove and lead key cooperate.

Screw via screw rod pallet on the nut that is connected in the fixed mount setting below it impartial branch several are set keep constant relatively the spring of pallets, be placed in the spring spool that is fixed on the fixed mount base in setting height, be with the T axis of figure, its large end face on the upper surface of spring and the top in the circle and establish the ball that setting in round bottom groove, the groove exceeds plane 1/5 spheroid at least.One front brake is arranged on the position of keeping to the side of pallet, the active card arm of brake can stretch out under the effect of spring force outside the pallet with outer shroud on draw-in groove cooperate and limit pallet with braking and rotate.Another rear brake is extended on the relevant position that is arranged on the outer road surface of pallet, the card arm that which is provided with and swing arm be separated with mutually a motor vehicle length distance, can swing card arm and under the elastic force effect, can cut and be stuck on the draw-in groove that is provided with on the pallet, control and do not rotate when also location tray is in the lower position.

During use such as automobile reach on the pallet of mechanism, treat that its wheel compressing touches front brake and opens; Being combined on screw rod band on the nut of fixed mount setting below the action of gravity that pallet then breaks away from control, produced owing to the own wt of automobile, the pallet pallet, pallet and carries automobile and rotate and be moved downward to set angle and respective depth, be that 180 °, automobile have then been realized pivot turn as turning to; Pallet is because the lower position of the respective depth of rotating and moving down into is oppressed for upper surface, the spring of the spring spool that is provided with, pallet promptly is located on the end face of spring spool, and the draw-in groove on the pallet by the card arm of rear brake incision card go up, pallet is braked and locate.Automobile sail out of pallet, then pallet lose action of gravity, treat wheel compressing touch that rear brake is opened, pallet then breaks away from control, since the spring force of constant pallet setting height make the pallet revolution and rise to former allocation and highly, the card arm of front brake is on the draw-in groove of cutting again under the effect of spring force on the outer shroud.So just can reach application target that the present invention drafts.

Can wholely be provided with or be fixedly connected with nut on the platform that jacking equipment moves up and down than large helix angle, multi-head spiral line; The baseplane of one pallet be provided with downward vertically one can be combined on nut screw rod; The plane ball dish that can do to rotate on the plane is set on the lower surface of screw rod or is fixedly connected thrust ball bearing; Be convenient to the flexible turn of screw rod and pallet when its role is to kiss the earth, can certainly make screw rod and pallet be convenient to flexible rotation with the connection of other kind method.

Pallet screws via screw rod and is connected that jacking equipment moves up and down nut that platform is provided with and above the platform, and pallet is nut and platform that the axle center can rotate about and be provided with in mobile platform with the screw rod, and locking phase should go up and down.On the platform of jacking equipment moves up the nut straight line of built on stilts, then platform setting, move screw rod on the pallet then during use and rotate to the angle of setting to direction initialization, and locking phase should move down and cause and is overlapped on the platform together with pallet; The plane ball dish that the screw rod lower surface that the platform of opposite jacking equipment descends and tray bottom surface is provided with downwards connects contacts on the ground; The platform that is provided with nut moves down then with straight line that the turn screw rod rotates together with pallet and with respect to platform and pallet moves on but, and to the platform bottom surface flat tread surface then pallet be returned to former orientation.So just can reach the purpose of the present invention's use.

In order to realize the object of the invention; The structural principle of front brake provided by the invention, rear brake, usage are the same basically; This piece of writing is not described in detail; Its method is: hinged respectively locational card arm in two and the swing arm that is fixed on the brake main body by the bearing pin flexible connection in the two ends of pull bar; One spring housing on pull bar, a fixed stop empty cover pull bar and force spring will block arm to be in and often to stretch out state outside the main body and be stuck on the corresponding draw-in groove; The arm that sticks up of swing arm exceeds the main body plane usually, when sticking up the draw-in groove that arm is depressed with the withdrawal of the flat then pull bar pulling in plane card arm, then breaks away from its corresponding control, blocks arm because the elastic force of spring can be surrendered outside thrust and refused outside corresponding draw-in groove.

The invention has the beneficial effects as follows: because the mating reaction that the present invention has used nut-screw; Given full play to its design feature; Make this mechanism not use any external power in conjunction with other control configuration, can move automatically, realize reversing end for end automatically, turning to like objects such as automobiles; Can save electric power energy, streamlining management program, simple in structure, use reliable.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention is further described.

Fig. 1 is fixed structure and the mechanism operating state sketch map not of system of the present invention.

Fig. 2 is fixed structure and the mechanism operating state sketch map of system of the present invention.

Fig. 3 is fixed structure and the mechanism operating state schematic top plan view not of system of the present invention.

Fig. 4 is the brake structural principle schematic of system of the present invention.

Fig. 5 be the structure that combines of system of the present invention and jacking equipment platform on the ground state look intention.

Fig. 6 is that the arrangement works state that system of the present invention and jacking equipment platform combine is looked intention.

Fig. 7 is the broken section enlarged diagram of Fig. 5 A.

Fig. 8 is the broken section enlarged diagram of Fig. 6 B.

1 platform among the figure, 2 pallets, 3 screw rods, 4 nuts, 5 fixed mounts; 6 plane ball dishes, 7 front brake, 71 card arms (the card arm on the front brake 7), 72 swing arms (swing arm on the front brake 7), 8 rear brake; 81 card arms (the card arm on the rear brake 8), 82 swing arms (swing arm on the rear brake 8), 9 front bayonet slots, 91 back draw-in grooves; 10 springs, the letter of 11 spring housings, 12 outer shrouds, 13 movable joint plates.

The specific embodiment

Embodiment 1:

See also Fig. 1, Fig. 3, Fig. 4, distance, the card arm 81 that upper surface and the road surface that circular outer shroud 12 is set maintains an equal level, its dextrad wall is provided with front bayonet slot 9, the card arm 81 on the left-hand outer shroud 12 peripheral hardware postpone brakes 8,

rear brake

8 and 82 of swing arms are separated with a motor vehicle length can stretch out to the ring inner face of outer shroud 12 under the spring force effect, the arm of swing arm 82 sticks up on the road surface.The inner bottom surface of outer shroud 12 is provided with fixed mount 5; The center of fixed mount 5 is set to the nut 4 of 6 trapezoidal threads of 30 ° of helical angles; Screw rod 3 corresponding setting that are combined on nut 4 are the screw rod 3 of 6 trapezoidal threads of 30 ° of helical angles; And its length does not exceed the height of nut 4, and above-mentioned screw rod 3 vertical fixing are arranged in round tray 2 following in the heart.Five equilibrium sets firmly 4 spring spools 11 of connection, also is equipped with spring 10 in it respectively in the following plane on the fixed mount 5; It is constant in the height of setting and fair with the upper surface of outer shroud 12 that the spring 10 that mechanism does not move is in the pallet 2 of upspringing under the state of release, and the slip of each spring 10 and pallet 2 lower planes is made as ball and contacts to reduce friction.Back draw-in groove 91 is set on the dextrad edge on the pallet 2; Front brake 7 is set; Card arm 71 on the front brake 7 can stretch out outside the circle of pallet 2 under the spring force effect and be stuck on the front bayonet slot 9 that is provided with on the wall of outer shroud 12; Controlled the rotation of the pallet 2 that is under the elastic force effect and pallet 2 is limited on the height face of setting, the arm of swing arm 72 sticks up on the plane of pallet 2.Set on automobile sails mechanism into to dextrad the pallet 2, wheel rolls the swing arm 72 of front brake 7, then block arm 71 is pulled and breaks away from front bayonet slot 9.Consult Fig. 2, Fig. 4: since the deadweight of automobile exceed the elastic force of the spring below the bracketing pallet 2, under pressure, the screw rod 3 of pallet 2 and interlock that breaks away from control is together along the screw thread turn of nut 4; Spring spool 11 has been stablized spring 10 possibly rotate the swing that produces with pallet 2; Pallet 2 carry automobile rotate as be set to 180 °, then automobile has been realized pivot turn; Then 10 oppressed, the pallet 2 of spring is propped up when being on the lower position by following spring spool 11; The card arm 81 of rear brake 8 is under the effect of spring force, and in the back draw-in groove 91 on the incision pallet 2, pallet 2 is controlled by rear brake 8.Automobile accomplish the tune back, to left-hand sail out of pallet 2, pallet 2 loses pressure; When wheel roll touch and card arm 81 have swing arm 82, the card arm 81 of the rear brake 8 of a motor vehicle length distance to be pulled and to throw off after draw-in groove 91; Then pallet 2 breaks away from control; Under the elastic force effect of spring 10, pallet 2 hand of spiral that carries over nut 4 with screw rod 3 is rotated and on move, to the card arm 71 of 2 times turnbacks of pallet, front brake 7 under the elastic force effect, cut in the front bayonet slot 9 on the outer shroud 12, pallet 2 is by the spacing control of front brake; Pallet 2 is replied former set condition, and etc. to be used.The purpose that the present invention's realization is drafted.

Embodiment 2:

See also Fig. 5, Fig. 6, Fig. 7, Fig. 8; The relevant position is provided with a nut 4 on the rectangular platform 1 of jacking equipment; And can be considered whole with platform 1, nut 4 is the nut of 4 head square screw threads of 22 ° of helical angles, the baseplane of a rectangle pallet 2 be provided with downward vertically one be combined on nut 4 screw rod 3; Correspondingly be set to the screw rod 3 of 4 head square screw threads of 22 ° of helical angles with nut 4, pallet 2 is combined on nut 4 by screw rod 3 and connects, and intersects relatively or be overlapped on the face of platform 1.The fixed connection plane ball dish 6 on the lower surface of screw rod 3.Described screw rod 3 comprises that the total length of the plane ball dish 6 that is fixedly connected on its end face is: when pallet 2 is overlapped in 1 last time of platform; Screw rod 3 length overalls set one section of the baseplane that should be higher than platform 1 because pallet 2 is set corner and the reach of spiral; So when below the plane ball dish 6 when concordant with the lower plane of platform 1; Under the effect of spiral, pallet 2 just rotates set angle and with respect to the platform 1 corresponding height that risen.Convenient portable plate 13 of coming in and going out such as the hinged steam supply car of one side of pallet 2.

Fall within on the plane when concordant together below lower plane when platform 1, the plane ball dish 6 that screw rod 3 connects as setting when using, pallet 2 and platform 1 be the crosswise setting.Platform 2 straight lines are up to be left under plane, the pressure effect of pallet 2 by deadweight, moved down along the threads turn of nut 4 and with respect to platform 1 by the screw thread of screw rod 3, as pallet 2 set turn to 90 ° then pallets 2 overlap with platform 1, pallet 2 is realized turning to 90 °.Contact earlier below the plane ball dish 6 that platform is 1 descending, screw rod 3 connects and withstand on the plane, platform 1 continue that the 4 turn screw rods 3 of Xingqi top nut down drive that pallets 2 rotate and with respect to platform 1 move up, and to platform 1 and plane ball dish 6 with fall within on the plane, pallet 2 replys former setting.The present invention has realized the purpose that turns to drafted.

Though the present invention specifies with above-mentioned specific embodiment; And the corresponding claim of formation; But the present invention is not limited to the said concrete literal content of claim; Allly utilize basic design of the present invention, further optimum organization and the distortion or the improvement project that form all should be regarded as within protection scope of the present invention.

Claims

1. a sole weight steering mechanism comprises a pallet, and the screw rod that this pallet is provided with by its baseplane downward vertically screws and is connected on the fixed mount, and comprises outer shroud, front brake, rear brake, spring, the spring spool of cooperation;

It is characterized in that: but pallet is provided with downward vertically by its baseplane and has the multiple-threaded screw rod of helical angle in 20 °～60 ° and screw to be connected on the fixed mount nut and be packed in the outer shroud to turn; Establish some springs on the fixed mount and cooperate front brake that pallet is limited on a direction initialization and the elevation plane with its elastic force; Pallet carrying object and after producing pressure; Front brake is touched unlatching; Pressure forces spring surrender and compresses, and makes on pallet and the bottom surface thereof screw flight along the screw thread turn of nut, and screw rod drives then that object turns to direction initialization and moved down corresponding height on pallet and the pallet; Be located in and be the following end face of the spring spool of line position, control its rotation and locate by rear brake; After pallet lost gravity, rear brake was touched unlatching, and described spring discharges elastic force, upwards pushes pallet, and then screw rod is along the screw thread turn of nut, and turns round former desired location to pallet and braked by front brake.

2. sole weight steering mechanism according to claim 1 is characterized in that: described screw rod and the tooth form that screws its screw thread of nut of connection are set to ball screw, perhaps are set to the pattern that helical guide groove and lead key cooperate.

3. sole weight steering mechanism according to claim 1 is characterized in that: be with the T axis of figure in the circle in the upper surface of described spring and the top, its large end face is established the round bottom groove, and the ball that exceeds plane 1/5 spheroid at least is set in the groove.

4. sole weight steering mechanism according to claim 1 is characterized in that: the effect of described spring spool is for the stabilizing spring swing and as the bearing height of described pallet on the lower position.

5. sole weight steering mechanism according to claim 1; It is characterized in that: the structural principle of described front brake and rear brake is identical; It is characterized in that: hinged respectively locational card arm in two and the swing arm that is fixed on the brake main body by the bearing pin flexible connection in the two ends of pull bar; One spring housing on pull bar, a fixing block empty cover pull bar and force spring will block arm to be in the state that often stretches out outside the main body, the arm of swing arm often exceeds on the main surface.

6. a sole weight steering mechanism comprises a pallet, and the screw rod that is provided with downward vertically by its baseplane screws on the nut that is connected the platform setting that moves up and down, and comprises plane ball dish;

It is characterized in that: the screw rod that pallet is provided with by its baseplane downward vertically screws on the nut that is connected in the platform setting that moves up and down; It is characterized in that: length is higher than and is provided with on the lower surface of screw rod of the podium level that is provided with nut that plane ball dish supports with it that top power on the plane causes the screw rod turn of its connection and the described pallet of interlock turns to; When described platform breaks away from the plane, described pallet is owing to deadweight or the pressure that bears a heavy burden, then close in the screw rod turn and the interlock platform of the nut of platform setting family to turn to.

7. sole weight steering mechanism according to claim 6 is characterized in that: described screw rod and the tooth form that screws its screw thread of nut of connection are set to ball screw, perhaps are set to the pattern that helical guide groove and lead key cooperate.

8. sole weight steering mechanism according to claim 6 is characterized in that: described screw rod be that to the plane ball dish that is fixedly connected on the lower surface heavy burden state can support the plane ball dish that on the plane, rotates flexibly down.

9. sole weight steering mechanism according to claim 6; It is characterized in that: described length is higher than the screw rod of the podium level that is provided with nut, and the described plane ball dish total length that contains its connection should be higher than one section of podium level because the setting of described pallet turns to and the screw thread theoretical level of spiral.