CN208883436U - For replacing the engineering truck and more changing device of high speed guideboard - Google Patents

Abstract

The utility model relates to highway apparatus fields, it is particularly used for the engineering truck and more changing device of replacement high speed guideboard, including walking mechanism and operating platform, the PTZ level of operating platform is arranged and holder is fixed on elevating mechanism, elevating mechanism is fixed in walking mechanism, it is additionally provided with the transmission assembly for transmitting Sign Board above and below in walking mechanism, is provided with driving assembly on operating platform, which is used to drive the Sign Board transverse shifting on guideboard bracket.When needing replacing nameplate, walking mechanism is moved at guideboard bracket with operating platform, and walking mechanism is fixed at Emergency Vehicle Lane, and transmission assembly up and down reciprocatingly conveys new, old Sign Board, and worker only needs to replace on holder.Replacement finishes rear walking mechanism and is moved to subsequent work place, time saving and energy saving, conveniently moving.

Description

For replacing the engineering truck and more changing device of high speed guideboard

Technical field

The present invention relates to highway apparatus fields, and in particular to for replacing the engineering truck of high speed guideboard and more changing the outfit It sets.

Background technique

The highway mileage open to traffic in China has become the first in the world, and now still with annual 8000 kilometers of speed It builds, highway builds up the trip for greatly facilitating the general common people.Usual automobile friend is not ripe enough to Freeway Conditions It knows, it is easy to which traveling is wrong.Such as the case where highway once misses crossing, and reversing and spot turn is just not present in that, institute To there is a large amount of traffic mark board in high speed.These Sign Boards are fixed on the gantry support of highway mostly.But It is that will appear building for damage or highway after sign board prolonged use, then on built highway The information of direction board shows the needs for being not exclusively unable to satisfy people, at this time highway direction board just carry out maintenance or Replacement.

Currently, sign board is to be directly anchored on gantry support with metal clamps and bolt etc., and be suspended in each vehicle Above road.Man-hour requirement isolation lane is applied, is removed using crane, is interfered lane normal use, influence the running speed of automobile friend.

Summary of the invention

The object of the present invention is to provide a kind of time saving and energy saving, the engineering trucks for being used to replace high speed guideboard of conveniently moving And more changing device.

To achieve the above object, the technical solution adopted by the present invention is that: it is a kind of for replacing the engineering truck of high speed guideboard, Including walking mechanism and operating platform, the PTZ level arrangement and holder of operating platform are fixed on elevating mechanism, elevating mechanism It is fixed in walking mechanism, the transmission assembly for transmitting Sign Board above and below is additionally provided in walking mechanism, is set on operating platform It is equipped with driving assembly, which is used to drive the Sign Board transverse shifting on guideboard bracket.

A kind of highway identification board more changing device, the highway identification board more changing device include the vehicle with walking machine Structure, operating platform and transmission assembly.

Compared with prior art, the technical effect that the present invention has are as follows: when needing replacing nameplate, walking mechanism is with behaviour It is moved at guideboard bracket as platform, walking mechanism is fixed at Emergency Vehicle Lane, transmission assembly up and down reciprocatingly conveys new, old mark Know board, worker only needs to replace on holder.Replacement finishes rear walking mechanism and is moved to subsequent work place, time saving province Power, conveniently moving.

Detailed description of the invention

Fig. 1 is the structural scheme of mechanism of highway identification board more changing device；

Fig. 2 is the partial enlarged view of Fig. 1；

Fig. 3 is another angle figure of Fig. 1；

Fig. 4 is the partial enlarged view of Fig. 3；

Fig. 5 is the structural schematic diagram of operating platform；

Fig. 6 is the left view of Fig. 5；

Fig. 7 is the structural schematic diagram of driving unit；

Fig. 8 is the explosive view of Fig. 7；

Fig. 9 is another state diagram of Fig. 7；

Figure 10 is the explosive view of Fig. 9；

Figure 11 is that Fig. 2 is A-A cross-sectional view；

Figure 12 is another state diagram of Figure 11；

Figure 13 is the structural schematic diagram of transmission assembly；

Figure 14 is the structural schematic diagram of guideboard bracket.

Specific embodiment

It is a kind of for replacing the engineering truck of high speed guideboard, including walking mechanism 30 and operating platform 20, operating platform 20 Holder 21 it is horizontally disposed and holder 21 is fixed on elevating mechanism 22, elevating mechanism 22 is fixed in walking mechanism 30, walking It is additionally provided with the transmission assembly 60 for transmitting Sign Board 13 above and below in mechanism 30, is provided with driving assembly on operating platform 20 43, which is used to drive 13 transverse shifting of Sign Board on guideboard bracket 10.

The transmission assembly 60 includes that lower end is fixed on the stand type support 61 in walking mechanism 30, stand type support 61 Upper end extends up through 21 rear overhang of holder and is stretched outside top, and stand type support 61 is equipped with drive train components 62, wherein transmission chain 621 chain length is arranged in a vertical direction, and sprocket shaft 622 is fixed in stand type support 61, the sprocket shaft in walking mechanism 30 622 connect motors 63, and the support part 64 for holding up or embracing Sign Board 13 is provided on the transmission chain 621.

The driving assembly 43 includes bracket 431 and oscillating deck 432, and bracket 431 is fixed on holder 21, oscillating deck 432 one end is hinged on bracket 431, and the other end is free end, and driving motor 433 is fixed on oscillating deck 432, driving motor It is provided with driving pulley 434 and belt 435 on 433 output shaft, driving 432 free end of oscillating deck is additionally provided on bracket 431 The elastic locking unit 44 for swinging or fixing.

The elastic locking unit 44 includes the bolt 441 being fixed on bracket 431 and is hinged on oscillating deck 432 Crankshaft 442, the axis direction of bolt 441 and crankshaft 442 is mutually perpendicular to, and bolt 442 is located at 442 side of crankshaft and can be resisted against On crankshaft 442.

Rotating handle 443 is provided on the crankshaft 442.

The walking mechanism 30 is engineering truck.

The side of the transmission chain 621 is provided with the retracting assembly 65 that automatic volume puts transmission chain 621.

The side of the transmission chain 621 is additionally provided with the tension assembly 66 for keeping transmission chain 621 to be in tensioning state.

The elevating mechanism 22 includes that two groups of intervals are fixed on folding liftable bar 221, and one of folding liftable bar 221 Supporting leg is hinged in walking mechanism 30, the cylinder rod of the hinged lifting cylinder 80 of another supporting leg, and the lifting cylinder 80 fixation is expert at It walks in mechanism 30, cylinder rod is horizontally arranged

The highway identification board more changing device includes the described in any item walking mechanisms 30 of claim 1-9, operation Platform 20 and transmission assembly 60.

In order to which objects and advantages of the present invention are more clearly understood, the present invention is carried out with reference to embodiments specific It is bright.It should be appreciated that following text is only used to describe one or more of specific embodiments of the invention, not to the present invention The protection scope specifically requested carries out considered critical.

As used in this article, term " parallel ", " vertical " etc. word are not limited to its stringent geometric definition, but Including reasonable for machining or mankind's error and inconsistency tolerance.

A kind of highway identification board more changing device, including the guideboard bracket 10 and operating platform 20 across speed way, The lower section of operating platform 20 is fixed in walking mechanism 30；Guideboard bracket 10 includes that the column 11 in roadside is arranged in and is fixed on vertical The crossbeam 12 of 11 top of column, Sign Board 13 are fixed on crossbeam 12, and Sign Board 13 can slide into along the length direction of crossbeam 12 The side of column 11, operating platform 20 include horizontally disposed holder 21, and holder 21 is fixed on elevating mechanism 22,21 He of holder The mobile unit 40 for driving Sign Board 13 to slide along crossbeam 12 is provided between crossbeam 12.Mobile unit 40 can drive Sign Board 13 only needs for walking mechanism 30 to be fixed on Emergency Vehicle Lane in its working position and Emergency Vehicle Lane movement, replacement, cloud Platform 21 is located at the top of Emergency Vehicle Lane, and the Sign Board needed replacing is then moved to Emergency Vehicle Lane by mobile unit 40 Top, worker can complete the replacement of Sign Board 13 on holder 21.Then new Sign Board 13 is moved to its correspondence again Lane just.The present invention does not need isolation lane when constructing, will not interfere lane normal use, influences the driving speed of automobile friend Degree.And when replacing the Sign Board 13 on the same guideboard bracket 10, the position of adjustment walking mechanism 30 is not needed, reduces work It measures, shortens the construction period, while also reducing work difficulty, increase substantially construction efficiency.

Be arranged at intervals with two or more Sign Boards 13 on crossbeam 12, each Sign Board 13 can individually with movement Unit 40 constitutes detachable connection, and the sliding path of Sign Board 13 and adjacent Sign Board 13 are in evacuation position.Sign Board The locking member of locking Sign Board 13 is provided between 13 and crossbeam 12.Had on usual same root guideboard bracket 10 two pieces or Three block identification boards 13, mobile unit 40 individually can be attached or separate with any block identification board 13.By mobile unit 40 be adjusted at 13 position of Sign Board needed replacing after mobile unit 40 and the Sign Board 13 it is affixed, subsequent 40 band of mobile unit The Sign Board 13 is moved to be moved at Emergency Vehicle Lane position.Adjacent Sign Board 13 is single with movement in the moving process of the Sign Board 13 Member 40 is in discrete state, and adjacent Sign Board 13 avoids the movement routine of the Sign Board 13, will not interfere with Sign Board 13 Normal movement.Board 13 to be identified is moved to its corresponding lane after replacing, and then separates with mobile unit 40, replacement finishes Sign Board 13 and crossbeam 12 afterwards is locked.

The back side of Sign Board 13 is provided with linking arm 131, which is hinged on crossbeam 12, also sets on crossbeam 12 The driving unit 50 for being drivingly connected the rotation of arm 131 is set, the driving Sign Board 13 of driving unit 50 reclines or separate crossbeam 12, It is detachably to cooperate between linking arm 131 and crossbeam 12.When replacing Sign Board, driving unit 50 is drivingly connected arm 131 and turns to Extended state, driving Sign Board 13 is far from crossbeam 12, and prominent in adjacent 13 front of Sign Board, mobile unit 40 drives again at this time Sign Board 13 is mobile, would not interfere with remaining Sign Board 13.After board 13 to be identified is replaced, driving unit 50 is driven Linking arm 131 turns to folded state, and Sign Board 13 abuts against on crossbeam 12 at this time.

The lower section of crossbeam 12 is provided with gate beam 14 parallel therewith, and the upper end of Sign Board 13 is hung in crossbeam 12 On, the lower end of Sign Board 13 is fixed on gate beam 14, is detachably to match between the lower end and gate beam 14 of Sign Board 13 It closes.The upper end of Sign Board 13 is fixed in crossbeam 12, and the lower end of Sign Board 13 is fixed in gate beam 14, to protect Mounting stability of the Sign Board 13 in normal use is demonstrate,proved, Sign Board 13 is effectively prevent to fall off.But needed more in Sign Board 13 When changing, need first to release the fixed of Sign Board 13 gate beam 14.After releasing, Sign Board 13 only hang in crossbeam by upper end Sign Board 13 on 12, and under the state is prominent before adjacent Sign Board, so as to realize the movement of Sign Board 13 Path avoids adjacent Sign Board.

Driving unit 50 includes the upper swing arm 51 being hinged on crossbeam 12 and the lower swing arm 52 being hinged on gate beam 14, The other end of 51/ lower swing arm 52 of upper swing arm is hinged with Sign Board 13 respectively, and upper swing arm 51 or lower swing arm 52 are connected with and drive its turn Dynamic rotating unit 53, upper swing arm 51, Sign Board 13, lower swing arm 52 and 12/ gate beam 14 of crossbeam constitute four-bar mechanism. Crossbeam 12 and gate beam 14 are equivalent to rack, and rotating unit 53 drives upper swing arm 51 or lower swing arm 52 any one rotation, all Can forward, push up Sign Board 13.

The back of Sign Board 13 is provided with raised line 132, and one end of lower swing arm 52 is hinged on gate beam 14, and the other end is in Overhanging shape, the projecting end of lower swing arm 52 offer the groove 521 for accommodating raised line 132, and groove 521 is stuck on raised line 132, recessed It is separated between slot 521 and raised line 132.Sign Board 13 is in normal use, being stuck on raised line 132 tightly of groove 521, to mark The lower end for knowing board 13 carries out reliable limit and fixes.It when replacing Sign Board 13, needs from groove 521 to extract raised line 132 out, solve Remove the limit of 13 lower end of Sign Board.

Night bolt 522 is provided in the inner cavity of lower swing arm 52, night bolt 522 is inserted in the jack on raised line 132, It is provided with wedge-shaped indentation on the shank of night bolt 522, wedge-shaped movable block 523, wedge-shaped movable block are additionally provided in lower swing arm 52 523 one end is provided with the lozenges cooperated with wedge-shaped indentation on night bolt 522, and the other end is emerging in outside lower swing arm 52, The top of lower swing arm 52 is provided with the limit beam 524 moved down for squeezing wedge-shaped movable block 523.

Rotating unit 53 drives lower swing arm 52 to rotate, and lower swing arm 52 drives wedge-shaped movable block 523 to move forward upwards, wedge shape Movable block 523 is moved down by the extruding of limit beam 524.Wedge-shaped movable block 523 squeezes night bolt while moving down 522 are directed away from the movement of 132 side of raised line, and night bolt 522 is pulled out from the hole of raised line 132 to be come.That is, when mark When board 13 is moved to the position for protruding from adjacent Sign Board 13, the solution of lower swing arm 52 removes the limit of 13 lower end of Sign Board, for mark The transverse shifting of board 13 is ready.

Be fixed with more than two hinged seats 54 on gate beam 14, multiple hinged seats 54 along gate beam 14 length Direction arranged for interval is spent, two hinged seats 54 are at least arranged in the corresponding position of a block identification board 13, and lower swing arm 52 is hinged on therewith On corresponding hinged seat 54, the quantity of lower swing arm 52 is corresponding with the quantity of hinged seat 54, and lower articulated shaft 56 crosses multiple lower hinged The hinged cooperation of seat 54 and therewith composition, lower articulated shaft 56 connect rotating unit 53.The corresponding mutually independent hinge of every block identification board 13 Joint chair 54 can will not have an impact between each other in order to which Sign Board 13 is operated alone.

The rotating unit 53 includes the drive rod 531 being fixed on lower articulated shaft 56 and is fixed on holder 21 Pusher cylinder 532, the cylinder body of pusher cylinder 532 are fixed on holder 21, cylinder rod and drive rod 531 hinge of pusher cylinder 532 It connects.Drive rod 531 is weldingly fixed on lower articulated shaft 56, and lifting is hinged at present upwards for the driving driving of pusher cylinder 532 thick stick 531 Axis 56 rotates.

Be additionally provided on the lower articulated shaft 56 drive lower articulated shaft 56 to move in the axial direction be adjusted axially unit.Institute The unit that is adjusted axially stated includes the key 571 being arranged on lower articulated shaft 56, is provided with corresponding key on lower hinged seat 54 Slot 572, the quantity of key 571 and lower 54 quantity of hinged seat are corresponding, when the corresponding key 571 of any Sign Board 13 and keyway 572 cooperate, Remaining corresponding key 571 of Sign Board 13 and keyway 572 are in discrete state, and key 571 can be common flat key.

Spacing between the corresponding key 571 of every block identification board 13 and keyway 572 is different, passes through the design of size difference Realize that at most only one group of key 571 and keyway 572 are in mated condition.When replacing a certain block identification board 13, first cross is needed It is adjusted axially unit 57 to adjustment, so that the corresponding key 571 of Sign Board 13 cooperates with keyway 572, key 571 adjacent at this time Discrete state is in keyway 572.Then rotating unit 53 drives lower articulated shaft 56 to rotate, mutually matched key 571 and keyway 572 drive its corresponding lower hinged seat 54 to rotate, and then lower swing arm 52 are driven to rotate, then push Sign Board 13 forward and up. At the same time, since adjacent key 571 and keyway 572 are in discrete state, lower hinged seat 54 will not be acted, therefore adjacent mark Knowing board 13 will not act.It is emphasized that the lateral position of pusher cylinder 532 is also required to after adjusting lower articulated shaft 56 And then it adjusts, as long as shown in Figure 1, the mounting hole of pusher cylinder 532 is arranged to strip-shaped hole, and the hole length direction of strip-shaped hole It is arranged just along the axis of lower articulated shaft 56.

By straight bar section 121 and upper swing arm 51, alongst successively interval is spliced crossbeam 12, the straight bar section 121 upper surface is provided with open recesses 122, and upper swing arm 51 includes the foundation base 511 being hinged on its adjacent straight bar section 121 With the sliding seat 512 being stuck on foundation base 511, it is provided with sliding recess 513 on two adjacent faces of foundation base 511, two The flute length of sliding recess 513, groove depth direction are mutually vertical, on the foundation base 511 any sliding recess 513 can with it is spacious Port recess 122 is combined into the groove-type channel arranged along 12 length direction of crossbeam, and one end of the sliding seat 512 is placed in In sliding recess 513 and the two composition is slidably matched, other end articulated connection arm 131.

No matter Sign Board 13, which is normal work or removable state, sliding seat 512,513 He of sliding recess Open recesses 122 are connected to, and guarantee there is a unobstructed sliding channel always on crossbeam 12.It is described in detail, turns in conjunction with attached drawing Moving cell 53 drives lower articulated shaft 56 to rotate, and the lower swing arm 52 being fixed on articulated shaft is swung therewith, then drives upper swing arm 51 It rotates.A sliding recess 513 after upper swing arm 51 rotates on foundation base 511 is connected to open recesses 122.Such as Fig. 7-12 As can be seen that the rotation of upper swing arm 51 can drive linking arm 131 to translate forward upwards, that is to say, that Sign Board 13 is projected into phase The front upper place of adjacent Sign Board.And the lower end of Sign Board 13 has been separated with gate beam 14, Sign Board relies solely on the upper end Hanging is on crossbeam 12, and detailed structure is the affixed sliding seat 512 of linking arm 131, and it is recessed that the lower end of sliding seat 512 is stuck in sliding In slot 513, and linking arm 131 is overhang at this time in the top of remaining Sign Board, so linking arm 131 is not when sliding seat 512 is mobile It can interfere with adjacent Sign Board, will not be interfered with remaining Sign Board by mobile Sign Board 13.

New Sign Board, which is transported to after corresponding position, only needs pusher cylinder 532 to rotate backward lower articulated shaft 56, connection Arm 31 will fold into the notch 514 of upper swing arm 51, and Sign Board is tightly attached on crossbeam 12 at this time, the lower end of Sign Board 13 also by Night bolt is fixed, and the installation of new logo board 13 is completed.Operating platform 20 only needs to be fixed on motionless on Emergency Vehicle Lane, and worker is just The replacement of all lane markings boards can be completed,

One block identification board 13 is at least correspondingly arranged two upper swing arms 51, and the corresponding multiple upper swing arms 51 of a block identification board 13 are total With an articulated shaft.Two upper swing arms 51 are at least arranged in one block identification board 13 could be more stable, on same Sign Board 13 The upper swing arm 51 of setting is carried out hingedly, to guarantee that two upper swing arms 51 move at the same time in this way with same root articulated shaft.Foundation base The notch 514 for accommodating linking arm 131 is additionally provided on 511, when upper swing arm 51 is in folded state, linking arm 131 is placed in In notch 514.It is provided with evacuation groove 133 on linking arm 131, when linking arm 131 is folded in notch 514, avoids groove 133 A groove-type channel is combined into sliding recess 513.

As shown in Fig. 2, upper swing arm 51 is in folded state, at this time the connection of Sign Board 13 when Sign Board 13 works normally Arm 131 is in notch 514.And the evacuation groove 133 of linking arm 131 sinks in notch 514 and melts with sliding recess 513 It is integrated.It is combined into one with open recesses 122 after evacuation groove 133, sliding recess 513 combine and leads to for what sliding seat 512 was slided Road.

It is detachable cooperation between linking arm 131 and Sign Board 13.It can also lead between linking arm 131 and Sign Board 13 Bolt screw is crossed to be attached.When replacing Sign Board 13 in this way, as long as removing the screw between Sign Board 13 and linking arm 131 Sign Board 13 can be removed, linking arm 131 may be reused, and reduce cost.It, can also be with when certain linking arm 131 damages Linking arm 131 is replaced together.

The T shape of the open recesses 122, sliding recess 513 and the section inversion shape for avoiding groove 133, sliding seat 512 Upper setting T shape protrusion, the T shape protrusion match with the size and shape of sliding recess 513.T shape protrusion and T-slot are matched It closes, guiding, which not only may be implemented, to limit sliding seat 512, can prevent sliding seat 512 from falling off from T-slot, mention The stability of high whole system.

The limit beam 524 is located at 14 top of gate beam and is fixed on column 11, and limit beam 524 and auxiliary are horizontal Beam 14 is parallel to each other, and lower swing arm 52 is resisted against on the lower end surface of limit beam 524 when being rocked to a high position.As shown in figs. 1 and 3, this The limit beam 524 of whole arrangement can use the movement of lower swing arm 52 not only to release and limit to Sign Board 13, while limit beam 524 can also push down the lower swing arm 52 after rotation, limit to it, guarantee the state of 52 vertically-arranged of lower swing arm, prevent its generation Topple over.

The mobile unit 40 includes the transmission belt component 41 being fixed on crossbeam 12, and transmission belt component 41 includes master Movable belt pulley 411, driven pulley 412 and the belts/chain/cable wire 413 being connected between driving and driven belt wheel 411,412, main belt Wheel 411, driven pulley 412 are separately fixed at the both ends of crossbeam 12, and wherein driving pulley 411 is located at close to Emergency Vehicle Lane side, Driven pulley 412 is located at close to fast traffic lane side, driving pulley 411, driven pulley 412 axis arrange along vertical direction； Co-axial auxiliary belt wheel 413 is provided with below driving pulley 411, the rotation axis of driving pulley 411 passes through crossbeam 12, auxiliary Belt wheel 414 is located at 12 lower section of crossbeam, and driving pulley 411 is located at 12 top of crossbeam；Sign Board 13 is fixed on belts/chain/steel Detachable cooperation is constituted on rope 413 and therewith；Mobile unit 40 further includes the driving assembly being fixed on operating platform 20 43, the driving assembly 43 is for driving auxiliary belt wheel 413 to rotate.Operating platform 20 is fixed on Emergency Vehicle Lane, is gone up and down Holder 21 is raised to working depth by mechanism 22, and worker connects driving assembly 43 and auxiliary belt wheel 414, and driving assembly 43 can To drive belts/chain/cable wire 413 to move back and forth, Sign Board 13 is shifted into dynamic Emergency Vehicle Lane from remaining lane, certainly may be used To be transferred to remaining lane from Emergency Vehicle Lane.Realize that operating platform 20 only needs to be fixed on motionless on Emergency Vehicle Lane, worker can To complete the replacement of all lane markings boards.Entire work progress will not influence the normal pass of vehicle, and practicability is very high.

The upper end of the column 11 is provided with guiding slip pipe 15, and guiding slip pipe 15 is located at 12 top of crossbeam and puts down therewith Row, guiding slip pipe 15 close to the side of Sign Board 13 offer along pipe range direction arrange v notch v 151, belts/chain/ Cable wire 413 is passed through out of guiding slip pipe 15, and the limit driving for constituting be slidably matched therewith is arranged on the guiding slip pipe 15 Block 42 limits drive block 42 towards 151 side of v notch v and extends interconnecting piece, and the interconnecting piece is solid after v notch v 151 It is scheduled on belts/chain/cable wire 413, the connection of linking arm 131 limits drive block 42 and is between the two detachable connection.On After the drive connection arm 131 of swing arm 51 travels forward upwards, linking arm 131 and limit drive block 42 are realized and are connected, belts/chain/ It just will drive the transverse shifting of Sign Board 13 while the rotation of cable wire 413.As shown in figure 3, belts/chain/cable wire 413 Rotation can be moved with limit drive block 42 along guiding slip pipe 15, and guiding 15 pairs of limit drive blocks 42 of slip pipe play guiding and make With.The limit drive block 42 is at least provided with two.The quantity Matching of limit drive block 42 quantity and linking arm 131, one The corresponding limit drive block 42 of a linking arm 131.Driving force more than two can guarantee that Sign Board 13 is smoothly mobile, It avoids that skew occurs in moving process.

The limit drive block 42 is made of spaced apart first, second limit drive block 421,422, linking arm 131 are made of orthogonal horizontal segment and vertical section, wherein evacuation groove 133 is located at horizontal segment, the vertical section of linking arm 131 On be provided with arc groove 134, arc groove 134 is stuck in the first, second limit drive block when linking arm 131 is rocked to a high position 421, on the guiding slip pipe 15 between 422.Linking arm 131 is clamped between the first, second limit drive block 421,422, the One, the second limit drive block 421,422 can not only drive 131 transverse shifting of linking arm, can also carry out to linking arm 131 Positioning.Can 413 side of belts/chain/cable wire be arranged record 413 movable length of belts/chain/cable wire measuring element, This ensures that new Sign Board can accurately reach installation site, linking arm 131 can smoothly fold into notch 514 It is interior.

Driving assembly 43 includes bracket 431 and oscillating deck 432, and bracket 431 is fixed on holder 21, and the one of oscillating deck 432 End be hinged on bracket 431, the other end is free end, and driving motor 433 is fixed on oscillating deck 432, driving motor 433 it is defeated Driving pulley 434 and belt 435 are provided on shaft, be additionally provided on bracket 431 driving 432 free end of oscillating deck swing or Fixed elastic locking unit 44.The setting purpose of elastic locking unit 44 is easy for mount belt 435.Adjust oscillating deck 432 Swing angle adjust the distance between driving motor 433 and crossbeam 12, that is, adjustment driving pulley 434 and auxiliary belt wheel The distance between 414, it is exactly tightening belt 435 that the two distance, which becomes larger, and it is exactly the belt 435 that relaxes that the two distance, which becomes smaller, thus real Now quick readily mount belt 435.

The elastic locking unit 44 includes the bolt 441 being fixed on bracket 431 and is hinged on oscillating deck 432 Crankshaft 442, the axis direction of bolt 441 and crankshaft 442 is mutually perpendicular to, and bolt 441 is located at 442 side of crankshaft and can be resisted against On crankshaft 442.

Rotating handle 443 is provided on the crankshaft 442.Rotating handle 443 adjusts the posture of crankshaft 442, to adjust The diameter of whole crankshaft 442 and 432 contact portion of oscillating deck, so that it may adjust the amplitude of fluctuation of oscillating deck 432, that is, adjust The whole axial position of driving motor 433, convenient for the installation and removal of belt 435.

Walking mechanism 30 is engineering truck.The column 11 is provided with two, and is located at the both sides of highway, horizontal Beam 12 is across speed way, and its both ends is separately fixed on corresponding column 11.

Highway identification board more changing device further includes the transmission assembly 60 for transmitting Sign Board 13 above and below, transmission group Part 60 includes that lower end is fixed on the stand type support 61 in walking mechanism 30, and the upper end of stand type support 61 extends up through holder 21 Rear overhang is stretched outside top, and stand type support 61 is equipped with drive train components 62, and wherein the chain length of transmission chain 621 is arranged in a vertical direction, Sprocket shaft 622 is fixed in stand type support 61, and the sprocket shaft 622 in walking mechanism 30 connects motor 63, the transmission The support part 64 for holding up or embracing Sign Board 13 is provided on chain 621.

The size of usual holder 21 is not too large, in order to guarantee that worker has enough working spaces, can will need new, old Sign Board is placed in the compartment of engineering truck.Since drive train components 62 can pass through holder 21 toward returning in engineering truck, so work People is not necessarily to round-trip in holder 21 and compartment.Worker on holder 21 is responsible for removing old Sign Board and installs new Sign Board, and Worker in compartment only needs that Sign Board is removed and put from transmission assembly 60 new logo board, the low labour of difficulty It measures small, working efficiency can be increased substantially.

The drive train components 62 are arranged at intervals with two groups, and support part 64 includes horizontal clamp 641 and lateral clamp 642, wherein horizontal clamp 641 is opening up, horizontal clamp 641 is located below, and lateral clamp 642 is located above, horizontal card Son 641 and lateral clamp 642 are less than in the distance of vertical direction in the length of Sign Board 13, two groups of drive train components 62 The opening of lateral clamp 642 is opposite, and the distance between two lateral clamps 642 are slightly larger than the width of Sign Board 13, two groups of biographies The distance between horizontal clamp 641 on dynamic chain component 62 is less than in the width of Sign Board 13.

Horizontal clamp 641 is used to drag the bottom of support Sign Board 13, and two lateral clamps 642 buttress the two of Sign Board 13 respectively A side.

The side of transmission chain 621 is provided with the retracting assembly 65 that automatic volume puts transmission chain 621.After Sign Board is replaced, Holder 21 is down to low level, and stand type support 61 also follows reduction, and transmission chain 621 just will appear relaxation, and the effect of retracting assembly 65 can With automatic deploying and retracting transmission chain 621, guarantee the smooth stable automatic lifting for rising holder 21.

The retracting assembly 65 includes shifting axle 651, lower sprocket axis 622b and slanted pushing rod 653, the shifting axle 651 With lower sprocket axis 622b each parallel to sprocket shaft 622, wherein shifting axle 651 is located at the inside of transmission chain 621, lower sprocket axis The outside that 622b is located at, 653 upper end of slanted pushing rod are hinged on the lower end surface of holder 21, and lower end is hinged on shifting axle 651 On, the both ends of shifting axle 651 are provided with translator slider 655, and horizontally disposed translation sliding rail is additionally provided in walking mechanism 30 654, which is slidably matched perpendicular to shifting axle 651, translator slider 655 with the translation composition of sliding rail 654.

The side of transmission chain 621 is additionally provided with the tension assembly 66 for keeping transmission chain 621 to be in tensioning state.Tensioning group Part 66 includes the pedestal 661 of fixed walking mechanism 30, fixed the first idler roller for being parallel to sprocket shaft 62 on pedestal 661 662, swinging block 663 is hinged on the first idler roller 662, the free end setting of the swinging block 663 is parallel to first Second idler roller 664 of tight roller 662 is additionally provided with torsional spring 665 on the roll body of first idler roller 662, the torsional spring 665 It is resisted against between swinging block 663 and pedestal 661.Pedestal 661 is fixed in the compartment of engineering truck, and the first idler roller 662, which is located at, to be passed The outside of dynamic chain 621, the second idler roller 664 are located at the inside of transmission chain 621 and pull out transmission chain 621.It works normally Transmission chain 621 is in tight state when state, once transmission chain 621 relaxes, 664 position of the second idler roller changes, Moderate state can be also adjusted under the action of 665 restoring force of torsional spring.The effect of tension assembly 66 is no matter to guarantee transmission chain 621 Folding and unfolding state prevents the relaxation of transmission chain 621 from knotting all in tensioning state.

It is linked together between the swinging block 663 of two groups of drive train components 62 by connecting rod 666.Changing a kind of expression way is exactly The two of connecting rod 666 are singly respectively and fixedly connected with two swinging blocks 663, and two groups of swinging blocks 663 are conditioned each other by connecting rod 666, prop up mutually Support improves total stability.

When folding liftable bar 221 lands, holder 21 can squeeze slanted pushing rod 653, and slanted pushing rod 653 will push forward shifting axle 651, translator slider 655 is slided along translation sliding rail 654, and shifting axle 651 can haul the forward movement of transmission chain 621 during this. That is transmission chain 621 is gradually guided into while folding liftable bar 221 declines and is horizontally arranged.Certainly it needs to protect herein It is consistent with the movement speed of shifting axle 651 to demonstrate,prove 221 decrease speed of folding liftable bar, otherwise transmission chain 621 just will appear accumulation and beat The phenomenon that folding.Opposite, when folding liftable bar 221 is lifted, holder 21 can also haul the movement of slanted pushing rod 653, and shifting axle 651 can be with With towards inboard movement, guarantee that transmission chain 621 smoothly changes into vertical state.It is different by changing transmission chain 621 in the present invention Posture realizes that the volume of transmission chain 621 is put, and structure is simply easy to accomplish, and reliability is very high.At the same time, in torsional spring 665 and swinging block 663 under the action of, can be located always with the position of the second idler roller of adjust automatically 664, collateral security transmission chain 621 In tensioning state.

Elevating mechanism 22 includes that two groups of intervals are fixed on folding liftable bar 221, and a supporting leg of folding liftable bar 221 is hinged In walking mechanism 30, the cylinder rod of the hinged lifting cylinder 80 of another supporting leg, the lifting cylinder 80 is fixed on walking mechanism 30 On, cylinder rod is horizontally arranged.As shown in Figure 1, the effect of walking mechanism 30 is to carry the movement of operating platform 20, it is convenient for Construction.So walking mechanism 30 can be common engineering truck, lifting cylinder 80 is fixed in the compartment of engineering truck, folding liftable In the compartment of one hinged engineering truck of supporting leg of bar 221, the contraction of lifting cylinder 80 can change 221 two, folding liftable bar The distance between supporting leg, so as to adjust the lifting of operating platform 20.When needing operation, operating platform 20 is increased to working position.Make After the completion of industry, folding liftable bar 221 is folded to low level.

Claims (10)

1. a kind of for replacing the engineering truck of high speed guideboard, it is characterised in that: including walking mechanism (30) and operating platform (20), the holder (21) of operating platform (20) is horizontally disposed and holder (21) is fixed on elevating mechanism (22), elevating mechanism (22) it is fixed on walking mechanism (30), the transmission for transmitting Sign Board (13) above and below is additionally provided in walking mechanism (30) Component (60) is provided with driving assembly (43) on operating platform (20), and the driving assembly (43) is for driving guideboard bracket (10) On Sign Board (13) transverse shifting.

2. according to claim 1 for replacing the engineering truck of high speed guideboard, it is characterised in that: the transmission assembly (60) include stand type support (61) that lower end is fixed on walking mechanism (30), the upper end of stand type support (61) extends up through Holder (21) rear overhang is stretched outside top, and stand type support (61) is equipped with drive train components (62), wherein the chain length edge of transmission chain (621) Vertical direction arrangement, sprocket shaft (622) are fixed on stand type support (61), the sprocket shaft (622) being located on walking mechanism (30) It connects motor (63), the support part (64) for holding up or embracing Sign Board (13) is provided on the transmission chain (621).

3. according to claim 2 for replacing the engineering truck of high speed guideboard, it is characterised in that: the driving assembly It (43) include bracket (431) and oscillating deck (432), bracket (431) is fixed on holder (21), one end hinge of oscillating deck (432) It connects on bracket (431), the other end is free end, and driving motor (433) is fixed on oscillating deck (432), driving motor (433) Output shaft on be provided with driving pulley (434) and belt (435), be additionally provided on bracket (431) driving oscillating deck (432) from The elastic locking unit (44) for being swung by end or being fixed.

4. according to claim 3 for replacing the engineering truck of high speed guideboard, it is characterised in that: the elastic locking Unit (44) includes the bolt (441) being fixed on bracket (431) and the crankshaft (442) being hinged on oscillating deck (432), bolt (441) it is mutually perpendicular to the axis direction of crankshaft (442), bolt (441) is located at crankshaft (442) side and can be resisted against crankshaft (442) on.

5. according to claim 4 for replacing the engineering truck of high speed guideboard, it is characterised in that: the crankshaft (442) rotating handle (443) are provided on.

6. according to claim 5 for replacing the engineering truck of high speed guideboard, it is characterised in that: the walking mechanism It (30) is engineering truck.

7. according to claim 6 for replacing the engineering truck of high speed guideboard, it is characterised in that: the transmission chain (621) side is provided with the retracting assembly (65) that automatic volume puts transmission chain (621).

8. according to claim 7 for replacing the engineering truck of high speed guideboard, it is characterised in that: the transmission chain (621) side is additionally provided with the tension assembly (66) for keeping transmission chain (621) to be in tensioning state.

9. according to claim 8 for replacing the engineering truck of high speed guideboard, it is characterised in that: the elevating mechanism It (22) include that two groups of intervals are fixed on folding liftable bar (221), a supporting leg of folding liftable bar (221) is hinged on walking mechanism (30) on, the cylinder rod of another hinged lifting cylinder of supporting leg (80), the lifting cylinder (80) is fixed on walking mechanism (30), Its cylinder rod is horizontally arranged.

10. a kind of highway identification board more changing device, it is characterised in that: the highway identification board more changing device includes power Benefit requires the described in any item walking mechanisms of 1-9 (30), operating platform (20) and transmission assembly (60).