CN208856358U

CN208856358U - Trolley rotating device

Info

Publication number: CN208856358U
Application number: CN201821729810.0U
Authority: CN
Inventors: 黄海华
Original assignee: Guangzhou Toyota Motor Co Ltd
Current assignee: GAC Toyota Motor Co Ltd
Priority date: 2018-10-23
Filing date: 2018-10-23
Publication date: 2019-05-14
Anticipated expiration: 2028-10-23

Abstract

The utility model discloses a kind of trolley rotating device, which includes: rubbing table, crossbeam, trolley and counterweight part, and the crossbeam is equipped with the first locating part and the second locating part；The trolley upper end is slidably connected with the crossbeam, and the trolley upper end is equipped with elastic switch, and the trolley lower end is equipped with brake gear, is connected between the elastic switch and the brake gear by connector；Described counterweight part one end is fixedly connected with the crossbeam, its other end is slidably connected with the trolley, when elastic switch is abutted with the first locating part, connector drives brake gear locking, and trolley is under the drive of rubbing table towards mobile close to the direction of the second locating part；When elastic switch is abutted with the second locating part, connector drives brake gear to unclamp, and counterweight part drives trolley towards close to the movement of the direction of the first locating part since gravity slide along the trolley.The trolley rotating device of the utility model can save a large amount of human costs.

Description

Trolley rotating device

Technical field

The utility model relates to rotating device technical field, in particular to a kind of trolley rotating device.

Background technique

Trolley is usually used in the logistics turnover between the logistics distribution or factory's process of large-scale production line, can accelerate logistics production The running of line reduces the landed cost of worker.Existing trolley rotating device carries out advance operation with the movement of rubbing table, makees Need manpower that trolley is pushed to return after industry, there are also other operations during return in most post, lead to operation cart not Just, a large amount of manpowers are expended.

Utility model content

The main purpose of the utility model is to provide a kind of trolley rotating device, it is intended to reduce human cost.

To achieve the above object, the trolley rotating device of the utility model embodiment proposition includes:

Rubbing table；

Crossbeam, the crossbeam are equipped with the first locating part and the second locating part, first locating part and second limit Part is intervally arranged along the direction of motion of the rubbing table；

Trolley, the trolley upper end are slidably connected with the crossbeam, and the trolley upper end is equipped with elastic switch, the trolley Lower end is equipped with brake gear, is connected between the elastic switch and the brake gear by connector；And

Counterweight part, described counterweight part one end are fixedly connected with the crossbeam, and the other end is slidably connected with the trolley, when When the elastic switch is abutted with first locating part, the connector drives the brake gear locking, and the trolley exists Towards mobile close to the direction of second locating part under the drive of the rubbing table；When the elastic switch and second limit When position part abuts, the connector drives the brake gear to unclamp, and the counterweight part is since gravity is along the trolley Sliding, and drive the trolley towards close to the movement of the direction of first locating part.

Optionally, the counterweight part include counterweight and with it is described with reconnection rope, the crossbeam be equipped with fixed block, institute Fixed block is stated set on the one end of first locating part far from second locating part, the trolley is equipped with rolling member, the rope Suo Yiduan is connect with the fixed block, and the other end passes through rolling member and matches reconnection.

Optionally, the trolley upper end is equipped with pulley assembly, and the pulley assembly includes the fixing piece set on the trolley With the pulley being rotatablely connected with the fixing piece, the crossbeam is equipped with sliding rail, and the pulley and the sliding rail cooperate to realize State trolley sliding opposite with the crossbeam.

Optionally, the elastic switch includes rotation section, and the brake gear includes being rotatably arranged in the trolley Handle portion, the both ends of the connector are connect with the rotation section and the handle portion respectively.

Optionally, the brake gear further include:

Roller structure, the roller structure include set on the trolley close to described rubbing table one end connection component and can Connection component is rotatably arranged in backwards to the idler wheel of the trolley side；

Brake structure, the brake structure include the brake block and return unit of neighbouring idler wheel setting, the brake block Abutting is limited in the idler wheel, and described return unit one end is connected to the brake block, and the other end is connect with the connection component；And

Link assembly, one end of the link assembly are connect with the handle portion, and the other end is connect with the brake block；

Wherein, the handle portion pulls the link assembly to drive the brake block far from the idler wheel；Described in release When handle portion, the return unit drives the brake block abutting to be limited in the idler wheel.

Optionally, the brake structure further includes being set to the fixing seat of the connection component and being rotatablely connected with fixing seat Shaft, described brake block one end are connected to the shaft, and the other end is abutted with idler wheel limit, and the return unit is far from described One end of connection component is connect with the shaft, and the link assembly is connect far from the one end in the handle portion with the shaft.

Optionally, the fixing seat offers axis hole, and the shaft penetrates rotatably the axis hole, and the one of the shaft End is connect with the link assembly, and the other end of the shaft is connect with the return unit, and the brake block is located at the connecting rod Between component and the return unit.

Optionally, the link assembly includes first connecting rod and the second connecting rod that is flexibly connected with the first connecting rod, institute It states second connecting rod and the first connecting rod to be arranged in angle, the one end of the first connecting rod far from the second connecting rod is mentioned with described Hand activities connection, the one end of the second connecting rod far from the first connecting rod is connect with the shaft.

Optionally, the connection component includes the supporting element connecting with the pallet bottom and mounting base, the mounting base One end set on the supporting element far from the trolley, the idler wheel are rotatably arranged in the mounting base backwards to the supporting element Side, the brake structure adjacent to the idler wheel be set to the mounting base backwards to the side of the supporting element.

Optionally, the connection component further includes synchronisation spring, and one end of the synchronisation spring is connect with the supporting element, The other end of the synchronisation spring is connected to the one end of the mounting base far from the idler wheel；And/or the connection component also wraps On-off fastener is included, the supporting element is connect by the on-off fastener with the mounting base, and the on-off fastener is for disconnected in time Open the supporting element and the mounting base.

The utility model embodiment trolley rotating device includes rubbing table, crossbeam, trolley and counterweight part, trolley operating dress When setting work, rubbing table is moved along a direction always, and when elastic switch is abutted with the first locating part, connector is by bullet Property switch active force to driving brake gear to lock, trolley is under the drive of rubbing table towards the side close to the second locating part To movement.When elastic switch is abutted with the second locating part, connector is driven brake gear pine by the screen resilience of elastic switch It opens, counterweight part drives trolley towards mobile close to the direction of the first locating part since gravity is slided along trolley, so Circulation, trolley move back and forth between the first locating part and the second locating part, without manually trolley being pushed to return it into, save people Power cost, and improve work efficiency.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the structural schematic diagram of one embodiment of the utility model trolley rotating device.

Drawing reference numeral explanation:

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.

In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also To be electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with The concrete meaning of above-mentioned term in the present invention is understood as the case may be.

In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the One ", the feature of " second " can explicitly or implicitly include at least one of the features.In addition, the skill between each embodiment Art scheme can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when technical solution It will be understood that the combination of this technical solution is not present in conjunction with there is conflicting or cannot achieve when, also not in the utility model It is required that protection scope within.

The utility model proposes a kind of trolley rotating devices 100.

Incorporated by reference to referring to Fig.1, in the utility model embodiment, which includes:

Rubbing table 10；

Crossbeam 20, the crossbeam 20 are equipped with the first locating part 21 and the second locating part 22, first locating part 21 and institute The second locating part 22 is stated to be intervally arranged along the direction of motion of the rubbing table 10；

Trolley 30,30 upper end of trolley are slidably connected with the crossbeam 20, and 30 upper end of trolley is equipped with elastic switch 40,30 lower end of trolley is equipped with brake gear 50, passes through connector between the elastic switch 40 and the brake gear 50 60 connections；And

Counterweight part 70, described 70 one end of counterweight part are fixedly connected with the crossbeam 20, and the other end and the trolley 30 are sliding Dynamic connection, when the elastic switch 40 is abutted with first locating part 21, the connector 60 drives the brake gear 50 lockings, the trolley 30 is under the drive of the rubbing table 10 towards mobile close to the direction of second locating part 22；When When the elastic switch 40 is abutted with second locating part 22, the connector 60 drives the brake gear 50 to unclamp, institute Counterweight part 70 is stated since gravity is slided along the trolley 30, and drives the trolley 30 towards close to first limit The direction of part 21 is mobile.

Specifically, rubbing table 10 is moved along a direction always under the action of external actuator, and referring to Fig.1, friction Platform 10 moves downward always.Crossbeam 20 is arranged in parallel with rubbing table 10, and trolley 30 is mainly used for the logistics distribution of large-scale production line Or the logistics turnover between factory's process, the running of logistic production line can be accelerated, reduce the landed cost of worker, improve and carry effect Rate.It after trolley 30 is used for production line, can be used for transporting goods, or docked with other shelf, conveniently transported goods.Trolley 30 upper ends are slidably connected with crossbeam 20, can set by the way that slide construction is arranged between trolley 30 or crossbeam 20 or in one of both Set slide construction.

30 upper end of trolley is equipped with elastic switch 40, and elastic switch 40 is Hard link switch, when being connect with other component, by Elastic deformation can be generated to certain effect power.30 lower end of trolley is equipped with brake gear 50, and brake gear 50 is used for real to trolley 30 Now brake, which makes trolley 30 stop and unlock brake, keeps trolley 30 mobile.Pass through connector between elastic switch 40 and brake gear 50 60 connections, the concretely drawstring of connector 60, when elastic switch 40 is abutted with the first locating part 21,60 under tension of connector The brake of brake gear 50 is driven to stop trolley 30 so that 30 relative friction platform 10 of trolley is static, rubbing table 10 drives trolley at this time 30 active forces to advance are greater than counterweight part 70 and are applied to the active force of trolley 30, trolley 30 under the active force of rubbing table 10 with Rubbing table 10 moves downward together；When elastic switch 40 is abutted with the second locating part 22, connector 60 is driven by screen resilience Brake gear 50 unlock so that trolley 30 can relative friction platform 10 it is mobile, counterweight part 70 is applied to trolley 30 due to gravity at this time Active force is greater than the active force that trolley 30 overcomes rubbing table 10, so that trolley 30 moves right.

The utility model embodiment trolley rotating device 100 includes rubbing table 10, crossbeam 20, trolley 30 and counterweight part 70, When the trolley rotating device 100 works, rubbing table 10 is moved along a direction always, when elastic switch 40 and the first locating part When 21 abutting, connector 60 is driven brake gear 50 to lock by the active force of elastic switch 40, and trolley 30 is in rubbing table Towards mobile close to the direction of the second locating part 22 under 10 drive.When elastic switch 40 is abutted with the second locating part 22, even Fitting 60 is driven brake gear 50 to unclamp by the screen resilience of elastic switch 40, and counterweight part 70 is since gravity is along trolley 30 Sliding, and drive trolley 30 towards close to the movement of the direction of the first locating part 21, it so recycles, trolley 30 is in the first locating part 21 And second move back and forth between locating part 22, without manually pushing trolley 30 to return it into, saves human cost, and improve work Make efficiency.

Further, the counterweight part 70 includes counterweight 71 and the rope 72 connecting with the counterweight 71, the crossbeam 20 Equipped with fixed block 23, the fixed block 23 is set to the one end of the first locating part 21 far from the second locating part 22, and the trolley 30 is set There is rolling member 31, described 72 one end of rope is connect with the fixed block 23, and the other end passes through rolling member 31 and connect with counterweight 71.

In the present embodiment, counterweight part 70 includes counterweight 71 and rope 72, and crossbeam 20 is equipped with fixed block 23, and fixed block 23 is set to The one end of first locating part 21 far from the second locating part 22, so that trolley 30 can be moved to the first limit under the drive of counterweight 71 The position of part 21, trolley 30 is equipped with rolling member 31, and in the present embodiment, rolling member 31 is set to trolley 30 and closes on the first locating part 21 Side, 72 one end of rope are fixedly connected with fixed block 23, and the other end passes through rolling member 31 and connect with counterweight 71.

Further, 30 upper end of trolley is equipped with pulley assembly 32, and the pulley assembly 32 includes being set to the trolley 30 fixing piece 321 and the pulley 322 being rotatablely connected with the fixing piece 321, the crossbeam 20 are equipped with sliding rail, the pulley 322 cooperate with the sliding rail to realize the trolley 30 and the opposite sliding of the crossbeam 20.

In the present embodiment, the upper end of trolley 30 is equipped with the pulley assembly 32 for sliding, and pulley assembly 32 includes fixing Part 321 and pulley 322.Pulley 322 is used to be slidably matched with the realization (not shown) of the sliding rail of crossbeam 10, and pulley 322 is sliding along sliding rail When dynamic, drive fixing piece 321 and trolley 30 mobile.

Further, the elastic switch 40 includes rotation section 41, and the brake gear 50 includes being rotatably arranged in institute The handle portion 51 of trolley 30 is stated, the both ends of the connector 60 are connect with the rotation section 41 and the handle portion 51 respectively.

In the present embodiment, elastic switch 40 includes rotation section 41, and rotation section 41 is limited with the first locating part 21 or second When part 22 abuts, the rotation direction of rotation section 41 is on the contrary, brake gear 50 includes handle portion 51, when elastic switch 40 and first limit When position part 21 abuts, rotation section 41 turns an angle, and rotation section 41 is applied to 51 1, handle portion pulling force by connector 60, So that trolley 30 stops movement, trolley 30 is with rubbing table 10 towards close to the movement of the direction of the second locating part 22；Work as elastic switch 40 with the second locating part 22 when abutting, and rotation section 42 turns an angle, and is applied to 60 1 active forces of connector, and then to being mentioned 51 1 screen resiliences of hand, so that 30 relative friction platform 10 of trolley slides.

Referring to Fig.1, the brake gear 50 further include:

Roller structure 52, the roller structure 52 include the connection set on the trolley 30 close to described 10 one end of rubbing table Component 521 and be rotatably arranged in connection component 521 backwards to 30 side of trolley idler wheel 522；

Brake structure 53, the brake structure 53 include the brake block 531 and return unit of the neighbouring idler wheel 522 setting 532, the abutting of brake block 531 is limited in the idler wheel 522, and described 532 one end of return unit is connected to the brake block 531, The other end is connect with the connection component 521；And

Link assembly 54, one end of the link assembly 54 are connect with the handle portion 51, the other end and the brake block 531 connections；

Wherein, the handle portion 51 pulls the link assembly 54 to drive the brake block 531 far from the idler wheel 522； When unclamping the handle portion 51, the return unit 532 drives the abutting of brake block 531 to be limited in the idler wheel 522.

In the present embodiment, when handle portion 51 pulls link assembly 54 to drive brake block 531 far from idler wheel 522, brake gear 50 pairs of trolleys 30 realize that unlock brake keeps trolley 30 mobile；When unclamping handle portion 51, return unit 532 drives brake block 531 to support It connects and is limited in idler wheel 522, brake gear 50 realizes that brake stops trolley 30 to trolley 30.

The roller structure 52 and brake structure 53 of brake gear 50 are assembled on the bottom of trolley 30, the cunning at 30 top of trolley Wheel 322 and the roller structure 52 of 30 bottom of trolley cooperate the movement for realizing trolley 30 simultaneously, and brake gear 50 utilizes brake structure 53 pairs of roller structures 52 realize brake and unlock brake, to realize the movement and stopping of control trolley 30, in order to realize production The requirement of line.

In order to preferably realize the reset to brake block 531, so that brake block 531 persistently realizes brake effect to idler wheel 522 Fruit, return unit 532 are reset spring.

Further, the brake structure 53 further includes the fixing seat 533 and and fixing seat set on the connection component 521 The shaft 534 of 533 rotation connections, described 531 one end of brake block are connected to the shaft 534, and the other end and the idler wheel 522 limit Position abuts, and the one end of the return unit 532 far from the connection component 521 is connect with the shaft 534, the link assembly 54 One end far from the handle portion 51 is connect with the shaft 534.

It should be understood that in order to make brake structure 53 preferably realize that the brake to the idler wheel 522 of roller structure 52 is conciliate Lock brake, in the present embodiment, by the way that fixing seat 533 is arranged, to increase the contact area of brake structure 53 Yu roller structure 52, To improve the stability of installation.By the way that the shaft 534 being rotatablely connected with fixing seat 533 is arranged, so that link assembly 54 passes through It drives shaft 534 to rotate, to realize that brake block 531 is separate and discharge idler wheel 522, realizes the mobile control to trolley 30；Together When, return unit 532, to realize that brake block 531 abuts limited roller 522, can also be realized to platform by driving shaft 534 to rotate The brake of vehicle 30 stops control.Using the fit structure of fixing seat 533 and shaft 534, link assembly is not only greatly improved 54 with the synchronously control of brake block 531, can also pass through shaft 534 rationally setting link assembly 54, brake block 531 and return unit 532 positional relationship in shaft 534.

Further, the fixing seat 533 offers axis hole (not shown), and the shaft 534 penetrates rotatably described Axis hole, one end of the shaft 534 are connect with the link assembly 54, the other end of the shaft 534 and the return unit 532 Connection, the brake block 531 is between the link assembly 54 and the return unit 532.

It should be understood that fixing seat 533 can be a hollow bushing structure, the outer wall and connection component of fixing seat 533 211 are fixedly connected, for example, by using welding etc..The aperture for being also provided with connection hollow structure of fixing seat 533, so works as shaft After 534 pass through the axis hole of fixing seat 533, shaft 534 can rotate in the axis hole of fixing seat 533, at this time as the present embodiment Preferred embodiment, link assembly 54 and return unit 532 are respectively fixedly connected in two ends of shaft 534, and brake block 531 is logical The aperture for crossing fixing seat 533 is fixedly connected with shaft 534.Certainly, in the present embodiment, link assembly 54, return unit 532 and brake Set-up mode of the vehicle piece 531 in shaft 534 can also be that others smoothly can realize that brake and release are stopped to idler wheel 522 The mode of vehicle, it is not limited here.

Further, the link assembly 54 include first connecting rod 541 and be flexibly connected with the first connecting rod 541 the Two connecting rods 542, the second connecting rod 542 are arranged with the first connecting rod 541 in angle, and the first connecting rod 541 is far from described One end of second connecting rod 542 is flexibly connected with the handle portion 51, and the second connecting rod 542 is far from the first connecting rod 541 One end is connect with the shaft 534.

In the present embodiment, first connecting rod 541 is vertical connecting rod, and first connecting rod 541 is parallel with the vertical direction of trolley 30 to be set It sets, is so conducive to preferably connect handle portion 51 and second connecting rod 542, and connect handle portion 51, first connecting rod 541 and second Bar 542 realizes synchronizing function.In order to preferably realize the synchronizing function of first connecting rod 541 and second connecting rod 542, as shown in Figure 1, In the present embodiment, rotating member 543 is provided between first connecting rod 541 and second connecting rod 542, first connecting rod 541 and second connect Bar 542 is rotatablely connected by rotating member 543, so that first connecting rod 541 smoothly pulls second connecting rod 542 that shaft 534 is driven to realize Rotation.

In order to preferably realize the control to shaft 534 and brake block 531, in the present embodiment, second connecting rod 542 and One connecting rod 541 is arranged in angle, is so conducive to that second connecting rod 542 and shaft 534 is made to form angle in perpendicular, conveniently mentions When hand 51 drives first connecting rod 541 to pull second connecting rod 542, second connecting rod 542 can smoothly drive shaft 534 to rotate, with It realizes and drives brake block 531 to rotate and separate release idler wheel 522.

In the present embodiment, the axial direction of second connecting rod 542 and vertical direction are arranged in angle, it is preferable that define the Angle between the axial direction and vertical direction of two connecting rods 542 is θ, 10 DEG C≤θ≤90 DEG C.Preferably, angle theta be 10 DEG C, 20℃,30℃,40℃,50℃,60℃,70℃,80℃,90℃.It should be understood that the axial direction of second connecting rod 542 and perpendicular Angle theta of the histogram between can be realized smoothly and shaft 534 is driven to rotate in 10 DEG C~90 DEG C of ranges, drive brake to realize Piece 531 rotates and separate release idler wheel 522.

Handle portion 51 includes handle 511 and rotating bar 512, and handle 511 can be connected by rotating bar 512 and the rotation of trolley 30 It connecing, one end of handle 511 is connect with first connecting rod 541 far from one end of second connecting rod 542, when one end of lift-pull handle 511, Handle 511 is rotated by rotating bar 512 relative to trolley 30, so that the other end of handle 511 be made to pull first connecting rod 541 and the Two connecting rods 542, to realize that second connecting rod 542 pulls shaft 534 to rotate, to drive brake block 531 separate or release idler wheel 522, it completes the brake to trolley 30 and unlocks.

Further, the connection component 521 includes the supporting element 5211 connecting with 30 bottom of trolley and mounting base 5212, the mounting base 5212 is set to the one end of the supporting element 5211 far from the trolley 30, and the idler wheel 522 is rotationally Set on the mounting base 5212 backwards to the side of the supporting element 5211, the brake structure 53 is set to adjacent to the idler wheel 522 The mounting base 5212 is backwards to the side of the supporting element 5211.

In the present embodiment, the setting of supporting element 5211 and mounting base 5212 is conducive to trolley 30 and brake gear 50 Roller structure 52 and brake structure 53 separate, and are so conducive to slow down influence of the trolley 30 in movement or stopping to trolley 30. Specifically, for preferably fixed and reinforcement supporting member 5211, so that trolley 30 can be realized firm and steady, preferred trolley 30 Bottom is additionally provided with an at least reinforcer 5214, it is preferable that 30 bottom of trolley is also set up there are two reinforcer 5214, and two are reinforced Part 5214 is respectively arranged on the symmetrical two sides of supporting element 5211, and reinforcer 5214 is inclined to set, the bottom of one end and trolley 30 Portion's connection, the other end and supporting element 5211.The bottom of reinforcer 5214 and supporting element 5211 and trolley 30 is enclosed triangle Structure further increases the stability of supporting element 5211, and realizes to trolley 30 and reinforce and consolidate.

Further, the connection component 521 further includes synchronisation spring 5213, one end of the synchronisation spring 5213 and institute The connection of supporting element 5211 is stated, the other end of the synchronisation spring 5213 is connected to the mounting base 5212 far from the idler wheel 522 One end.

It should be understood that the setting of synchronisation spring 5213, is advantageously implemented the brake structure 53 of brake gear 50 to idler wheel The fine tuning of structure 52.When needing slightly to move trolley 30, can be installed at this time by lifting or pressing mounting base 5212 It is flexible that seat 5212 drives synchronisation spring 5213, so that return unit 532, fixing seat 533 and second connecting rod 542 are influenced, so that brake Piece 531 realizes slight release to idler wheel 522, so that trolley 30 can move.

The connection component 521 further includes on-off fastener (not shown), and the supporting element 5211 passes through the on-off fastener It is connect with the mounting base 5211, the on-off fastener for disconnecting the supporting element 5211 and the mounting base 5211 in time.

It should be understood that the setting of on-off fastener, so that trolley 30 in rubbing table when running, it is advantageous when encountering barrier In the connection for disconnecting supporting element 5211 and mounting base 5212 by on-off fastener, to protect the safety of trolley 30.

Specifically, on-off fastener can be the connecting rod that encounters and can be broken when more colliding energetically；It is also possible to Buckle structure can disconnect when the buckle structure encounters weight shock.On-off fastener can also be other can collide and The structure being broken, it is not limited here.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims

1. a kind of trolley rotating device characterized by comprising

Rubbing table；

Crossbeam, the crossbeam are equipped with the first locating part and the second locating part, first locating part and second locating part edge The direction of motion of the rubbing table be intervally arranged；

Trolley, the trolley upper end are slidably connected with the crossbeam, and the trolley upper end is equipped with elastic switch, the trolley lower end Equipped with brake gear, connected between the elastic switch and the brake gear by connector；And

Counterweight part, described counterweight part one end are fixedly connected with the crossbeam, and the other end is slidably connected with the trolley, when described When elastic switch is abutted with first locating part, the connector drives the brake gear locking, and the trolley is described Towards mobile close to the direction of second locating part under the drive of rubbing table；When the elastic switch and second locating part When abutting, the connector drives the brake gear to unclamp, the counterweight part since gravity is slided along the trolley, And drive the trolley towards close to the movement of the direction of first locating part.

2. trolley rotating device as described in claim 1, which is characterized in that the counterweight part include counterweight and with the counterweight The rope of connection, the crossbeam are equipped with fixed block, and the fixed block is set to first locating part far from second locating part One end, the trolley is equipped with rolling member, and described rope one end connect with the fixed block, and the other end is across rolling member and counterweight Connection.

3. trolley rotating device as described in claim 1, which is characterized in that the trolley upper end is equipped with pulley assembly, described Pulley assembly includes the pulley set on the fixing piece of the trolley and with fixing piece rotation connection, and the crossbeam, which is equipped with, to be slided Rail, the pulley cooperate with the sliding rail to realize trolley sliding opposite with the crossbeam.

4. trolley rotating device as described in claim 1, which is characterized in that the elastic switch includes rotation section, the brake Vehicle device includes the handle portion for being rotatably arranged in the trolley, the both ends of the connector respectively with the rotation section and described The connection of handle portion.

5. trolley rotating device as claimed in claim 4, which is characterized in that the brake gear further include:

Roller structure, the roller structure include being set to the trolley close to the connection component of described rubbing table one end and can be rotated Ground is set to connection component backwards to the idler wheel of the trolley side；

Brake structure, the brake structure include the brake block and return unit of neighbouring idler wheel setting, and the brake block abuts It is limited in the idler wheel, described return unit one end is connected to the brake block, and the other end is connect with the connection component；And

Wherein, the handle portion pulls the link assembly to drive the brake block far from the idler wheel；When the release handle When portion, the return unit drives the brake block abutting to be limited in the idler wheel.

6. trolley rotating device as claimed in claim 5, which is characterized in that the brake structure further includes being set to the connection The fixing seat of component and the shaft being rotatablely connected with fixing seat, described brake block one end is connected to the shaft, the other end and institute It states idler wheel limit to abut, the one end of the return unit far from the connection component is connect with the shaft, and the link assembly is remote One end from the handle portion is connect with the shaft.

7. trolley rotating device as claimed in claim 6, which is characterized in that the fixing seat offers axis hole, the shaft Penetrate rotatably the axis hole, one end of the shaft is connect with the link assembly, the other end of the shaft with it is described Return unit connection, the brake block is between the link assembly and the return unit.

8. trolley rotating device as claimed in claim 7, which is characterized in that the link assembly include first connecting rod and with institute It states the second connecting rod of first connecting rod flexible connection, the second connecting rod and the first connecting rod to be arranged in angle, described first connects The one end of bar far from the second connecting rod is flexibly connected with the handle portion, the second connecting rod far from the first connecting rod one End is connect with the shaft.

9. the trolley rotating device as described in any one of claim 5-8, which is characterized in that the connection component includes and institute The supporting element and mounting base of pallet bottom connection are stated, the mounting base is set to the one end of the supporting element far from the trolley, institute It states idler wheel and is rotatably arranged in the mounting base backwards to the side of the supporting element, the brake structure is set to adjacent to the idler wheel The mounting base is backwards to the side of the supporting element.

10. trolley rotating device as claimed in claim 9, which is characterized in that the connection component further includes synchronisation spring, institute The one end for stating synchronisation spring is connect with the supporting element, and the other end of the synchronisation spring is connected to the mounting base far from described One end of idler wheel；And/or the connection component further includes on-off fastener, the supporting element by the on-off fastener with it is described Mounting base connection, the on-off fastener for disconnecting the supporting element and the mounting base in time.