CN1088039C - Machineshop car for air operation - Google Patents
Machineshop car for air operation Download PDFInfo
- Publication number
- CN1088039C CN1088039C CN96103446A CN96103446A CN1088039C CN 1088039 C CN1088039 C CN 1088039C CN 96103446 A CN96103446 A CN 96103446A CN 96103446 A CN96103446 A CN 96103446A CN 1088039 C CN1088039 C CN 1088039C
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- CN
- China
- Prior art keywords
- suspension rod
- nearside
- elevator bucket
- distally
- aerial work
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- Expired - Fee Related
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/044—Working platforms suspended from booms
Abstract
A high lift work vehicle with a space suppressed in a height direction, comprising a vehicle ,a boom and a lift bucket. The boom comprises a base end boom arranged in upside of a eddy organ for rise moving and a tip end boom mounted with the front of the base end boom for rotational moving. The base end boom is constituted by a pair of boom members arranged in parallel with a suitable space apart, to turnably support a base end part of the tip end boom between tip ends of these boom members. Further, when the boom is stored, the base end boom is horizontally arranged upward the vehicle 1, also to arrange the tip end boom so as to be folded from upward in a side of this base end boom. Here is arranged the base end part of the tip end boom so as to enter between tip end parts of the base end boom.
Description
The present invention relates to a kind of aerial work engineering truck, it is furnished with some equipments can work the people in overhead place.
A kind ofly see the aloft work engineering car that Japanese Utility Model openly is numbered No.4-775593 and comprise that one is loaded on the rotating mechanism that can rotate on this vehicle, one nearside suspension rod is loaded on rotating mechanism, can do the lifting motion, one distally suspension rod forms pivot with the fore-end of nearside suspension rod and cooperates, and is furnished with an elevator bucket at the front end of distally suspension rod.
Such aerial work engineering truck is not when using, and the distally suspension rod rotates as center proximad suspension rod with the pin chain between nearside suspension rod and the distally suspension rod.When suspension rod put back in place after, nearside and distally suspension rod are vertical, and parallel to each other haply.Therefore the suspension rod present position has cooresponding height, tends to surpass limitation in height sometimes.In addition, be upright shape after suspension rod is in place, see it also is worthless from the stability of vehicular drive and the viewpoint of safety with certain altitude.This problem becomes more obvious under a kind of situation that is called single wagon, because in such vehicle, operator's compartment and freight house are connected as a single entity, and suspension rod can only be placed on the roof like this.In addition, also wish vehicle can design make the workman can be easily and safely elevator bucket up and down.
One of purpose of the present invention is to provide a kind of aerial work engineering truck, and this car can keep safety and steady when driving, and the height of minimizing suspension rod after in place.
Two of purpose of the present invention is to provide a kind of aerial work engineering truck, and this car can make the workman enter elevator bucket easily from ground and get back to ground from elevator bucket.
Three of purpose of the present invention is to provide a kind of aerial work engineering truck, it can with the safety of workers in the elevator bucket winch to an elevated position.
Four of purpose of the present invention is to provide a kind of aerial work engineering truck, and it can make the safety of workers ground in elevator bucket work on elevated position.
Aerial work engineering truck involved in the present invention comprises that a vehicle, is loaded on the rotating mechanism that this vehicle can rotate, one is loaded on the suspension rod that rises that this rotating mechanism can have been done handling, one is loaded on the elevator bucket that this plays the suspension rod front end, be used for vehicle is supported in ground-surface support component with a plurality of these vehicle front and rear portions both sides that are loaded on, this rise suspension rod comprise a pivot suspension in the nearside suspension rod of this rotating mechanism and a pivot suspension in the distally suspension rod at this nearside suspension rod front end position; Wherein, this nearside suspension rod comprises a pair of parallel being separated by each other and puts boom member, the base end of this distally suspension rod be supported on this boom member between; This elevator bucket is positioned at the leading section of this distally suspension rod; When a suspension rod is folded up, described nearside suspension rod is in the level attitude approx on the vehicle, and this distally suspension rod is superimposed on this nearside suspension rod, the leading section of distally suspension rod on the nearside suspension rod, and wherein near the part of bottom drawn in described boom member between.
The selection of the size of described distally suspension rod and described elevator bucket makes described elevator bucket only it can be moved to subaerial position by the pivoted of described distally suspension rod, and described nearside suspension rod then still is in the approximate level attitude in described vehicle top.
In aforesaid this aerial work engineering truck, characteristic of the present invention can be summed up as following all points.
Play suspension rod and comprise that a nearside suspension rod pivotally is supported in rotating mechanism, and a distally suspension rod pivotally is supported in the fore-end of nearside suspension rod.The nearside suspension rod comprises the boom member that a pair of spaced and parallel is arranged, and the bottom of distally suspension rod partly is supported on this between the boom member.Elevator bucket is positioned at the fore-end of distally suspension rod.
After a suspension rod drew in, the nearside suspension rod roughly was positioned at the vehicle top with being the level of state, and the distally suspension rod then is stacked and placed on the nearside suspension rod.Suspension rod nearly bottom part in distally is placed in that between the boom member.
Aerial work engineering truck with above-mentioned feature, its nearside suspension rod can approximately horizontally extend, and its distally suspension rod may be folded on the nearside suspension rod, and a part wherein is placed within the nearside suspension rod.Therefore its height can reduce greatly when playing the suspension rod homing, but and then can follow without difficulty regulation that relevant height of car limits, vehicle also balance drive safely.This effect is more apparent outstanding in single wagon that the sort of operator's compartment and freight house are connected as a single entity.
The size Selection of distally suspension rod and elevator bucket wishes to accomplish only can make elevator bucket near ground by rotating the distally suspension rod simply, be convenient to the workman and pass in and out elevator bucket, and the nearside suspension rod still can essentially horizontally be positioned at the vehicle top.
Preferably also simultaneously can do omnibearing rotation round vehicle by rotatablely moving of nearside suspension rod towards the elevator bucket of ground motion, when so for example portion unloads after one's death from vehicle, just elevator bucket may be turned to arbitrary position, rather than at the rear portion of vehicle, thereby handling efficiency can be improved.Simultaneously also help the workman to pass in and out elevator bucket.In addition, even some obstacles are arranged near vehicle, also can avoid easily.
In a preferred embodiment, an aerial work engineering truck comprises that first hydraulic actuating cylinder and that is used for nearside suspension rod do lifting motion is used for second hydraulic actuating cylinder that the distally suspension rod is provided motion.Have at least in two hydraulic actuating cylinders one the stream that links to each other with the bar chamber with stream that plunger shaft links to each other on be provided with a controlling non-return valve.By this valve system, can eliminate after hydraulic actuating cylinder quits work, because force of inertia makes hydraulic actuating cylinder produces stretch out or shrink, and then stretching out or shrinking the suspension rod that is driven and can be parked in exactly on the desired position by hydraulic actuating cylinder.In addition, when not using, suspension rod can draw in place easily.
Preferably, rotating mechanism, nearside suspension rod and the combination of distally suspension rod are in aggregates.Form holistic this device owing to can install to easily on the various dissimilar vehicles, therefore various purposes can be arranged.
Comprise a position that keeps elevator bucket to be horizontal all the time according to a preferred embodiment design-calculated aerial work engineering truck, even when nearside suspension rod and the work of distally suspension rod, also can accomplish this point.The horizontality holding device comprises first rest pin that is rotatably supported in suspension rod front end position, distally, one by fixed supported first sprocket wheel of first rest pin, one second sprocket wheel is supported by one second rest pin rotationally, make with nearside suspension rod and distally suspension rod and form pivotal engagement, one first chain ring is around in first and second sprocket wheels, one the 3rd sprocket wheel and second sprocket-shaped are integral and by the second rest pin rotatably support, one the 4th sprocket wheel also has the one second chain rule to be surrounded on third and fourth sprocket wheel by one the 3rd rest pin rotatably support that is positioned at nearside suspension rod bottom part.The support of one supporting elevator bucket is fixed in first rest pin.
Embodiment with said structure, though the nearside suspension rod and (or) distally suspension rod when work, the elevator bucket total energy keeps horizontality, the workman in elevator bucket can be promoted to elevated position safely like this.
Boom member preferably has " C " type cross section.Third and fourth sprocket wheel is positioned within " C " type member.Like this, third and fourth sprocket wheel can make things convenient for, noly arrange difficultly.
The aerial work engineering truck preferably includes an inverted u-shaped frame fixation in freight house, and one by the bearing inverted u-shaped frame support, that be positioned at the freight house top, and when the nearside suspension rod resetted, it was stably held by this bearing.
Support component in both sides, car rear portion preferably includes a supporter and that is positioned at freight house from the downward extendible portion that extends of supporter, and this part penetrates the freight house bottom always.Like this, when extendible portion bounces back, only the lower end of extendible portion or only the lower end of supporter stretch out downwards from freight house bottom.Therefore can prevent between extendible portion and its analogue and other members interference, play the safety guard-safeguard effect.
The extendible portion that is loaded on the support component of front part of vehicle both sides preferably is positioned at the position more inner than this automobile side outside face, and becomes extension downwards diagonally, makes it spaced-apart.Like this, support component can not constitute the obstacle of headlight and indicator.In addition, because the spacing of both sides extendible portion is widened to the end, can guarantee that vehicle has the Area of bearing of broad.
Elevator bucket preferably includes a underframe and the upper frame that is positioned on the underframe.Upper frame is collapsible to be placed on the underframe.Correspondingly, when vehicle time spent not, elevator bucket can be placed lower height.The workman also can enter elevator bucket from ground easily simultaneously.
The most handy cover of underframe covers from the outside.Drop, improve the safety of aerial work with thing accidents such as preventing tools.
In a preferred embodiment, the safety device that elevator bucket comprises upper frame that a underframe that is covered by cover, is slidably supported in vertical direction by underframe and its position played above upper frame moves on to the time fixation.Correspondingly, upper frame can be moved on to control position easily, also can be changed between control position and riding position easily.When not using, elevator bucket is rotatable in lower height, and workman's (next time) also can make things convenient for and enter elevator bucket from ground safely.
In the above-described embodiments, upper frame preferably include one can vertically extending vertical frame.Underframe comprises that a control piece can be fixed on this control piece at a vertical frame and the wipe contact spare that vertical direction slides up and down to admit, and keeps in touch in case upper frame falls suddenly with vertical frame.
The aerial work engineering truck should comprise that a control setup is to have controlled the operation of suspension rod and slewing arrangement.This control setup is supported on the elevator bucket, rotates between installation position that can be in elevator bucket and the operating position outside the elevator bucket.When not making aerial work, control setup is placed in the elevator bucket and protects.When implementing aerial work, control setup places outside the elevator bucket, thinks that the workman in elevator bucket provides additional working space.
Elevator bucket should comprise whether a detector has extended up to a control position from underframe to measure upper frame.Playing suspension rod has only determined just to allow operation after upper frame has really reached its control position at detector.Can prevent workman or other staff accidental fall in the elevator bucket really by this device, in order to safe operation.
Fore-end at the nearside suspension rod preferably has a suspension rod position indicator, so that the driver just can recognize the residing position of nearside suspension rod fore-end in operator's compartment.When vehicle rollback, the driver can recognize the position that in the end hold at nearside suspension rod front end position by the suspension rod position indicator.Can avoid interference like this from the obstacle at rear portion.In addition, when vehicle to run, this direction board can make the chaufeur of back one vehicle know the position of suspension rod, and arouses attention, and this angle from road safety sees it is very favorable.
Purpose, characteristic, aspect and advantage with other that the present invention mentions in front will be below become more clear in conjunction with the accompanying drawings the detailed description.
The accompanying drawing summary:
Fig. 1 is the lateral plan according to an aerial work engineering truck embodiment of the present invention.
Fig. 2 is the lateral plan that is positioned at a support component of car front part sides.
Fig. 3 is the planar view that is loaded on a support component of car front part sides.
Fig. 4 is the lateral plan that is loaded on a support component of both sides, car rear portion.
Fig. 5 is the lateral plan of suspension rod together.
Fig. 6 is the planar view of suspension rod together.
Fig. 7 is the lateral plan of horizontality holding device.
Fig. 8 is along the section-drawing of A-A line among Fig. 7.
Fig. 9 is the lateral plan of an elevator bucket.
Figure 10 is the enlarged side view of a safety device example.
Figure 11 is the lateral plan of elevator bucket together with its folding upper frame.
Figure 12 is the block diagram of elevator bucket outside face by the elevator bucket of cover covering.
Figure 13 is the diagram of circuit of the hydraulic efficiency pressure system of first and second hydraulic actuating cylinders operation.
Figure 14 is the front elevation of front part of vehicle supported on both sides parts.
Figure 15 is the planar view of elevator bucket.
Figure 16 is the lateral plan of elevator bucket
Figure 17 is the lateral plan of upper frame group elevator bucket when being in control position.
Figure 18 is a planar view of being furnished with the control piece of wipe contact spare.
Figure 19 is along the section-drawing of A-A line among Figure 18.
Figure 20 forms the fitting pin of safety device and the enlarged drawing of mating holes.
Figure 21 is the lateral plan that is attached to the suspension rod position indicator at aerial work engineering truck rear portion.
Figure 22 is the block diagram of suspension rod position indicator.
Figure 23 is the lateral plan of suspension rod position indicator.
Aerial work engineering truck shown in Figure 1 comprises a vehicle 1, suspension rod 2 and has been contained in the elevator bucket 3 of suspension rod 2 front ends together.Vehicle 1 is so-called single wagon, and its freight house 1a and operator's compartment 1b form one.
Support component 4 is positioned at the front portion, and support component 5 then is positioned at the rear portion of vehicle 1.Support component 4 and 5 is for stably vehicle 1 being supported in ground when implementing aerial work, and each support component all has an extendible portion that can extend downwards.
As shown in Figures 2 and 3, support component 4 is positioned on the fabricated section that extends out from the front end on the chassis 11 of vehicle 1.Fabricated section 42 comprises and is fixed in about 11 front ends of chassis two ones carriage 12, a pair of from carriage 12 on even keels extend forward about extend framework 42a, 42a and a Width at vehicle 1 and extend and pass the installation frame 42b that extends framework 42a, 42a.There is mounting portion 42c at the two ends of installation frame 42b.Strut member 4 is supported by mounting portion 42c, and extends to vertical direction.
Referring to Fig. 2, support component 4 has an extendible portion 4a that can extend downwards.Lower end at extendible portion 4a has a strut member 4b.When aerial work, when extendible portion 4a extended downwards, strut member 4b reached ground, support vehicle 1.Since support component 4 as present embodiment when this vehicle extends forward, can be broader by the Area of bearing that is used for support vehicle 1 that support component 4 and 5 provides, thus make vehicle 1 obtain stable support.
Referring to Fig. 2, there is a front apron 13 front of fabricated section 42.Fabricated section 42 (especially installation frame 42b) also plays the booster action to front apron 13 simultaneously.Therefore it and front apron 13 1 play to play the protection vehicle in accident for example and exempt from head-on crash.
Referring to Fig. 4, support component 5 is vertically placed the both sides at vehicle 1 rear portion, and its extension 5a faces down.One supporter 5b of support component 5 is placed in the freight house 1a that constitutes vehicle 1 rear portion.Extendible portion 5a extends through freight house 1a bottom.One strut member 5c invests the lower end of extendible portion 5a.When aloft operation extendible portion 5a extended downwards, strut member 5c can contact with ground, plays the effect of support vehicle 1.In the present embodiment, only there is the extendible portion 5a of support component 5 to pass the bottom of freight house 1a.But support component 5 also can design to such an extent that make the lower end part of supporter 5b pass the bottom of freight house 1a.
Play suspension rod 2 and comprise a nearside suspension rod 21 and a distally suspension rod 25.The cardinal extremity part that plays suspension rod 21 is pivotally supported by the carriage 22 of the upper end of the rotating mechanism 2a on the freight house 1a that is contained in vehicle 1.Rotating mechanism 2a is enabled to rotate in the horizontal direction by actuating device such as hydraulic motor 104 (seeing Figure 13).The top of freight house 1a is passed in the upper part of rotating mechanism 2a, as shown in Figure 1.
First hydraulic actuating cylinder 23 has an end to cooperate with a carriage 22, and the other end cooperates with nearside suspension rod 21.First hydraulic actuating cylinder 23 makes nearside suspension rod 21 do the lifting motion.
Referring to Fig. 6, nearside suspension rod 21 comprises a pair of boom member 21a, 21a, and their spaced and parallel are arranged.The base end part of distally suspension rod 25 pivotally is supported between the leading section of boom member to 21a, 21a by pin 26.
As shown in Figure 8, each boom member 21a, 21a have " C " type cross section, and they are arranged Face to face at opening portion.In the boom member 21a, the 21a that respectively have " C " type cross section, include the sprocket wheel 64 of a horizontality holding device 6, its function is narrated afterwards.
Referring to Fig. 1 and Fig. 5, between nearside suspension rod 21 and distally suspension rod 25, be equipped with one second hydraulic actuating cylinder 27 and control lever 28a and 28b.By the stretching out and shrink of second hydraulic actuating cylinder 27, distally suspension rod 25 is that rotate at the center with the pin chain between this suspension rod and nearside suspension rod 21 with this pin chain.
When playing suspension rod 2 when in place, nearside suspension rod 21 essentially horizontally is positioned at the top of vehicle 1, and as shown in Figure 1, distally suspension rod 25 is by from last folding towards nearside suspension rod 21.At this moment, the cardinal extremity of distally suspension rod 25 partly is received between the fore-end of nearside suspension rod 21.Upper surface place at freight house 1a rear portion has a supporting base 15 to be used for making it in place from following surface bearing lifting bar 2.From the angle of intensity, supporting base 15 is supported by a reverse U shape framework 16, and this framework 16 is positioned at freight house 1a, and the top of freight house 1a then is between the two.Choosing of the installation position of each member, size etc. must suitably make support plinth 15 when having supported suspension rod 2 from below, can not have influence on the facility of periphery, as hydraulic actuating cylinder 27.
Front end at distally suspension rod 25 has a carriage 31.The situation that carriage 31 keeps to the vertical direction extension.Elevator bucket 3 is fixed on the carriage 31.Referring to Fig. 5 and Fig. 6, at the front end of distally suspension rod 25 a rotating rest pin 32 is arranged, carriage 31 becomes one with rest pin 32.
Even being fixed in the elevator bucket 3 of carriage 31 is designed to be when 25 work of nearside suspension rod 21 and distally suspension rod and also can keeps horizontal attitude.
Referring to Fig. 7, horizontality holding device 6 comprises first sprocket wheel 61 that fuses with rest pin 32, first chain 63, that one second sprocket wheel 62, on the pin 26 at nearside suspension rod 21 front end places is surrounded on first and second sprocket wheels 61 and 62 is positioned at the 3rd distolateral outside the pin 26 sprocket wheel 64, the 4th sprocket wheel 65 that one and one pin 29 that is positioned at nearside suspension rod 21 bottoms is connected as a single entity and second chain 66 around third and fourth sprocket wheel 64 and 65.Second sprocket wheel 62 and the 3rd sprocket wheel 64 fuse, as shown in Figure 8, and the bearing 67 of this whole rotatably support on pin 26.Third and fourth sprocket wheel 64 and 65 layout make it be contained within the boom member 21a, and like this, these sprocket wheels can be arranged quickly and easily by using boom member 21a.
According to the lifting campaign of nearside suspension rod 21 and the pivoting movement of distally suspension rod 25, the first, second, third and the 4th sprocket wheel 61,62,64 and 65 is done corresponding the rotation, and this rotation is sent to support 31 by first and second chains 63 and 66.So elevator bucket 3 total energys keep horizontality.
Referring to Fig. 9, elevator bucket 3 has a underframe 33, roughly is cube, also has a upper frame 34, matches with the top of underframe 33.Upper frame 34 comprises that four upwardly extending vertical frames 35 in the top from underframe 33 are connected the rectangular frame 36 of vertical frame 35 each upper extreme point with one.
The length of suitably having selected suspension rod 2 is to finish following operation.More precisely, nearside suspension rod 21 by approximate horizontal be placed on the vehicle 1 after, the position that distally suspension rod 25 pivoted master vehicles 1 rear portion approximate vertical is only arranged, under this state, the elevator bucket 3 that is installed on distally suspension rod 25 front ends should be near ground-surface position.The selection of the length of nearside suspension rod 21 should be able to make the elevator bucket 3 that is near ground location not have any obstruction when doing around the vehicle body rotation with nearside suspension rod 21.
A rotating mechanism 2a and suspension rod 2 operation separately can be by control setup 7 controls that are positioned on the vehicle 1.Substitute as a kind of, rotating mechanism 2a and suspension rod 2 also can be controlled by the control setup 8 that is contained in the elevator bucket 3.
Referring to Figure 11, the control setup 8 that is loaded on elevator bucket 3 links to each other by a support arm 81 of the rectangular frame 36 on upper frame 34, makes it pivoted between installation position (drawing with dotted line) in elevator bucket 3 and the operating position (drawing with solid line) outside the elevator bucket 3.Control setup 8 can stably be fixed on installation position and operating position by a drg (not shown).
Figure 13 illustrates a hydraulic efficiency pressure system of first hydraulic actuating cylinder and second hydraulic actuating cylinder that operation distally suspension rod moves of operation nearside suspension rod.Switch valve 101,102,103 are designed so that the position of valve can control by the operating switch in the control setup 7,8 control or by the leader.Through switch valve 101,102,103 to hydraulic motor 104 and first, second hydraulic actuating cylinder 23 and 27 conveyings from 9 dozens of hydraulic fluids of coming of pump.Runner 105 that links with plunger shaft 23a that controlling non-return valve 107 and 108 is respectively placed on first hydraulic actuating cylinder 23 and the runner 106 that links with bar chamber 23b.The control presssure of controlling non-return valve 107 comes from 106 runners with offside, and after the pressure of runner 106 reached a setting value, this valve was promptly opened 105 runners.Similarly, the control presssure of controlling non-return valve 108 comes from 105 runners of offside, after the pressure of runner 105 reaches a setting value, and these valve open 106 runners.
Owing on runner 105 and 106, disposed controlling non-return valve 107 and 108 as described above, the continuous movement that stretches out and shrink first hydraulic actuating cylinder 23 that causes by force of inertia after stopping when first hydraulic actuating cylinder 23, in other words, cause that by force of inertia the motion of nearside suspension rod 21 can be eliminated.
Similarly, controlling non-return valve 112 and 113 runner 111 that is respectively placed on runner 110 that the plug cock chamber 27a with second hydraulic actuating cylinder 27 links and links with the bar chamber 27b of second hydraulic actuating cylinder.Therefore, after second hydraulic actuating cylinder 27 stopped to stretch out and shrinks, in other words its continuous movement was caused the motion of distally suspension rod 25 by force of inertia, also be eliminated.
The below operation of narration aerial work engineering truck.
When job engineering turner is aloft done, at first car 1 is reached work-site, stops, support component 4 and 5 is started working then, and strut member 4b and the 5c of extendible portion 4a and 5a extended downward ground, and vehicle 1 is supported evenly.
Then, as shown in phantom in Figure 1, distally suspension rod 25 is rotated to a certain position behind vehicle 1 vehicle body by pivot, and makes distally suspension rod 25 keep vertical direction haply, so that make elevator bucket 3 be in the most subaerial position.The workman enters the elevator bucket that upper frame 34 still is in folded state, and after this, upper frame 34 protrudes upward, and this extended position of upper frame is by safety device 37 lockings.Because when the workman entered elevator bucket 3, upper frame 34 was in folded state, so the workman can enter elevator bucket 3 safely from ground.
If owing to such as after elevator bucket should not being placed car from reasons such as freight house 1a unloadings, the appropriate location that then rotatable nearside suspension rod 21 to is forward, then with distally suspension rod 25 by the aforementioned manner pivoted.Use this operation, make that any position around vehicle body 1 all may make the workman enter elevator bucket.In case this is as helping to handle near the situation that obstacle is arranged the vehicle 1 at the scene.
After entering elevator bucket, the workman goes to operating position with control setup 8 from installation position.Be in the outside that the operating position control setup is positioned at elevator bucket 3.The workman makes rotating mechanism 2a rotation, the lifting campaign of control nearside suspension rod 21 and the pivoted of distally suspension rod 25 by handling device 8.Handle through this, the elevator bucket 3 that is in distally suspension rod 25 leading sections is moved to the position that desire is implemented overhead operation, but and development work.
No matter how nearside suspension rod 21 and distally suspension rod 25 move, elevator bucket can be kept its horizontality all the time through the control of horizontality holding device, and therefore the workman in elevator bucket 3 can be promoted to elevated position safely.When not working, control setup 8 can be placed in the installation position in the elevator bucket 3, to exempt from external bump.Playing the motion of suspension rod 2 and the rotation of rotating mechanism 2a can be substituted as a kind of by 8 controls of the control setup in the elevator bucket 3, and these motions also can be controlled by another workman through the control setup in the vehicle 17.
After aerial work was finished, elevator bucket 3 was got back to original position through the manipulation of control setup 8, as shown in Figure 1.Under this state, the cardinal extremity of distally suspension rod 25 closes between two leading sections of nearside suspension rod 21.In addition, because nearside suspension rod 21 roughly is horizontal, plays suspension rod 2 and can reach in the distance of short transverse and minimize, this effect is particularly outstanding in single wagon.
State as preceding, the lifting campaign of nearside suspension rod 21 is controlled by first hydraulic actuating cylinder 23, and the pivoted of distally suspension rod 25 is then controlled by second hydraulic actuating cylinder 27.In the runner that links with these hydraulic actuating cylinders, be furnished with controlling non-return valve 107,108,112 and 113, therefore, in case stopping for stream in each runner, pressure decay, cooresponding each controlling non-return valve in the corresponding runner are also closed thereupon.Like this, out of service when first and second hydraulic actuating cylinders 23 and 27, by the stretching out and shrink and can disappear of caused by inertia cylinder bar thereupon, in other words, nearside suspension rod 21 and distally suspension rod 25 can be parked on the position of hope exactly.Therefore, nearside suspension rod 21 and distally suspension rod 25 can be located easily.Especially when playing suspension rod and be loaded on the top of vehicle body 1 as shown in the Examples, this structure is very convenient, because nearside suspension rod and distally suspension rod can be positioned on their position on the roof easily and accurately.
In an illustrated embodiment, upper and lower framework 33 and 34 is all covered by canvas boot 9.But also can only cover by canvas boot, and not comprise upper frame 34 underframe 33.
In the above-described embodiments, play suspension rod 2, elevator bucket 3 grades all are installed on the single wagon.But vehicle also can be not limited only to single wagon.The present invention can similarly use the vehicle of various other types, as truck.In the case, if nearside suspension rod 21, distally suspension rod 25, rotating mechanism 2a, elevator bucket 3 and control setup 8,7 are assembled in aggregates, and then the present invention can be installed on the vehicle 1 easily.
Figure 14 illustrates the example that a support component places front part of vehicle.Support component 4 is loaded on the front end both sides that are in the chassis 11 within vehicle body 1 both side surface by carriage 45.Therefore, the extendible portion of each support component also is diagonally extension downwards.Support component 4,4 one-tenth are separated from each other ground diagonally and extend downwards.The support component 4 that is positioned at the vehicle body front side may extend to the left and right sides of chassis 11 front ends, that is to say, is in the both sides of vehicle 1 front apron, it is hereby ensured broad Area of bearing, and vehicle 1 can be in the most stable holding state.But 11 both sides stretch out and when supporting vehicle 1, the torsion problem on chassis 11 can occur from the chassis when support component 4.This reverses especially can constitute problem than the front end position on the chassis a little less than other positions 11 inevitably in intensity.In addition, the layout of support component must accomplish not hinder other members of vehicle 1 front part sides, as headlight and indicator etc.
Therefore, in described embodiment, support component 4 is arranged at the zone within vehicle body 7 side surfaces, thereby support component can not influence such as facilities such as headlights.In addition, in order to guarantee the big as far as possible area by support component 14 support vehicle, the bottom of support component 4 becomes wealthyer wide to the spacing between the top like this towards outer incline.Because support component becomes the diagonal angle crustal inclination downward in aforesaid mode, the area of land part 46 and ground contact and this inclination corresponding and become wealthyer extensively, and need not support component 4 is extended to dual-side.
Figure 15 to Figure 17 illustrates the example of another elevator bucket.Shown in elevator bucket 3 comprise a underframe 301, one in vertical direction on the underframe 301 slidably upper frame 302 and after upper frame 302 is upwards mentioned from underframe 301 to the perch 310 of its position locking action.Underframe 301 is covered by cover 301.
Operating parts 313 comprise one be positioned at the operating handle 314 on the transverse frame 304 of upper frame 302 and be used for cooperate pin 311 insert or take out mating holes 312, unite the control lever 315 and the operating lever 316 of use with operating handle 314.The shape that control lever 315 and operating lever 316 are had should make when the operator holds operating handle 314, cooperates pin 311 to deviate from from mating holes 312.In general, the deflecting force effect through spring cooperates pin 311 to be partial to the direction (not shown) that matches with mating holes.
In the structure of aforesaid elevator bucket 3, upper frame 302 is upwards carried to operating position from underframe 301, cooperates 311 on pin to match with mating holes 302, makes upper frame stably remain on operating position.When upper frame 302 desires when operating position is returned to installation position, under the effect of operating handle 314, control lever 315 and operating lever 316 make and cooperate pins 311 to throw off from mating holes 312, upper frame 302 can be placed in the underframe 301 like this.
At this moment, upper frame 302 is landing downwards under the situation of keeping in touch with wipe contact spare 306, and therefore, it can get back to installation position safely, and does not have the anxiety of tenesmus suddenly.
One detector 320 such as travel switch is loaded on elevator bucket 3.Detector 320 has a probe 321, as shown in figure 20, probe 321 when cooperating pin 311 to cooperate with mating holes 312 near a top of cooperation pin 311.Detector 320 is used for judging whether upper frame 302 is in the operating position state, and it is designed to have only when upper frame 302 is in operating position, and the various actuating devices of having handled suspension rod 2 actions could move under the control of circuit control system (not shown).Confirm that upper frames 302 are in operating position and could have allowed suspension rod to move owing to have only by detector 320, can prevent the workman from by about accidental falling on the elevator bucket 3 that constitutes of two frameworks, thereby improved the safety that moves.
As for detector itself, it is not limited to aforesaid that type, is about to it and is loaded near the position that cooperates pin 311.It can be such one type, promptly near the vertical frame 303 that is in operating position.Substitute as a kind of, can survey upper frame yet and be in installation position, and upper frame is not in the result of detection of installation position and can be used to determine that upper frame is in operating position.
Figure 21 to 23 illustrates the aerial work engineering truck according to another embodiment.Those adopt same numbering with the part of the corresponding aerial work engineering truck of aforementioned enforcement, and details repeat no more.
Figure 21 extremely aerial work engineering truck shown in Figure 23 has a suspension rod position indicator 400 at its nearside suspension rod 21 leading sections.Suspension rod position indicator 400 from one be positioned at nearside suspension rod 21 leading sections be operatively connected part 28a, by a related parts 401, hang vertically downward.The rod end 27c of second hydraulic actuating cylinder 27 links to each other with related parts 401.Therefore second hydraulic actuating cylinder 27 is logical closes related parts 401 manipulation operations attaching parts 28a, thus pivoted distally suspension rod 25.
The template body that suspension rod position indicator 400 is made up of toughness material is as rubber, as Figure 22 and shown in Figure 23.Its root is fixed in related parts 401 through screw 402.Suspension rod position indicator 400 such front position from nearside suspension rod 21 as shown is suspended from a length of setting downwards like this.
The length of the suspension rod position indicator 400 that hangs in the end of nearside suspension rod 21 is configured to when a suspension rod 2 is in place, and the forward position of nearside suspension rod can be seen in operator's compartment.In addition, if suspension rod position indicator 400 scribbles color, iridescent for example, that just more favourable driver's identification.The driver can recognize the position that is positioned at vehicle 1 aftermost nearside suspension rod 21 leading sections like this, can be by checking the position of suspension rod position indicator 400 in when reversing, thereby avoid with car after contingent conflict of encumbrance.Moreover the driver of at the heel vehicle also can notice the position of suspension rod 2 when driving, thereby helps to improve traffic safety.
Although in detail and illustrate the present invention, obviously should understand this just in order to illustrate and example, be not in order to limit to some extent, only in appended claim, Cai spirit and scope of the invention has been done qualification.
Claims (17)
1. an aerial work engineering truck, comprise that a vehicle, is loaded on the rotating mechanism that described vehicle can rotate, one is loaded on the suspension rod that rises that described rotating mechanism can have been done handling, one is loaded on the elevator bucket of described suspension rod front end, be used for vehicle is supported in ground-surface support component with a plurality of described vehicle front and rear portions both sides that are loaded on
Described suspension rod comprise a pivot suspension in the nearside suspension rod of described rotating mechanism and a pivot suspension in the distally suspension rod at described nearside suspension rod front end position; It is characterized in that:
Described nearside suspension rod comprises a pair of parallel being separated by each other and puts boom member, the base end of a described distally suspension rod be supported on described boom member between;
Described elevator bucket is positioned at the leading section of described distally suspension rod;
When described suspension rod folded up, described nearside suspension rod is in the level attitude approx on the vehicle, and described distally suspension rod is superimposed on the described nearside suspension rod, the leading section of distally suspension rod on the nearside suspension rod, and wherein near the part of bottom drawn in described boom member between.
The selection of the size of described distally suspension rod and described elevator bucket makes described elevator bucket only it can be moved to subaerial position by the pivoted of described distally suspension rod, and described nearside suspension rod then still is in the approximate level attitude in described vehicle top.
2. aerial work engineering truck as claimed in claim 1 is characterized in that:
Described vehicle is a single wagon, and its operator's compartment and freight house resemble and be integrated the chest.
3. aerial work engineering truck as claimed in claim 1 is characterized in that:
Described moving near the elevator bucket of ground location can be done omnibearing rotation around described vehicle along with the rotatablely moving of described nearside suspension rod.
4. aerial work engineering truck as claimed in claim 1, it is characterized in that: it also comprises:
One causes that first hydraulic actuating cylinder and of described nearside suspension rod do lifting motion causes second hydraulic actuating cylinder that described distally suspension rod is pivoted; Wherein:
For at least one hydraulic actuating cylinder in first hydraulic actuating cylinder and second hydraulic actuating cylinder, runner that connects with its plunger shaft and the runner that connects with its bar chamber are provided with a controlling non-return valve.
5. aerial work engineering truck as claimed in claim 1 is characterized in that:
Described rotating mechanism, described nearside suspension rod and described distally suspension rod constitute one.
6. aerial work engineering truck as claimed in claim 1 is characterized in that it also comprises:
Even make described elevator bucket when described nearside suspension rod and the operation of described distally suspension rod, still can remain the horizontality holding device of horizontality; Wherein:
Described horizontality holding device comprises first rest pin of a rotatably support in suspension rod front end position, described distally, one is fixedly attached to first sprocket wheel of described first rest pin, one rotatably support is in second sprocket wheel of one second rest pin, it is rotatable to be surrounded on described first and second sprocket wheels with described nearside suspension rod and described distally suspension rod one first chain that cooperates together, one the 3rd sprocket wheel rotatably support is in described second rest pin, and fuse with described second sprocket wheel, one the 4th sprocket wheel is through the bottom of one the 3rd rest pin rotatably support in described nearside suspension rod, and one second chain is surrounded on described third and fourth sprocket wheel; And
The carriage of the described elevator bucket of one supporting is fixed in described first rest pin.
7. aerial work engineering truck as claimed in claim 6 is characterized in that:
Described boom member has " C " type cross section; And
Described third and fourth sprocket wheel is contained within the described boom member with " C " type cross section.
8. aerial work engineering truck as claimed in claim 2, it is characterized in that: it also comprises:
One reverse U shape frame fixation is positioned at described freight house, and a supporting base that is supported by described reverse U shape framework, and the Cang Ding of described freight house falls between; Wherein:
When described nearside suspension rod was in place, described supporting base was from the following described nearside suspension rod of surface bearing.
9. aerial work engineering truck as claimed in claim 2 is characterized in that:
The support component that is contained in described vehicle rear both sides comprises that one places the supporter and in the described freight house to penetrate the extendible portion that extend described freight house bottom downwards downwards from described supporter.
10. aerial work engineering truck as claimed in claim 2 is characterized in that:
The extendible portion that is contained in the support component of described front part of vehicle both sides is positioned at the position within the body side surface, and horn shape, ground separated from each other extend downwards in pairs.
11. aerial work engineering truck as claimed in claim 1 is characterized in that:
Described elevator bucket comprises that a underframe and is positioned at the upper frame on the described underframe, and
Described upper frame is configured to make it on the collapsible limit that is put in described underframe.
12. aerial work engineering truck as claimed in claim 10 is characterized in that: it comprises that also one is used for hiding from the outside of described underframe the cover of this framework.
13. aerial work engineering truck as claimed in claim 1 is characterized in that:
Described elevator bucket comprises a underframe, is hidden by a cover around it, and a upper frame is in vertical direction slidably by the underframe supporting, and the upper frame that safety device moves on being used for making locks its position.
14. aerial work engineering truck as claimed in claim 13 is characterized in that:
Described upper frame comprises a vertical frame in the vertical direction extension; And
Described underframe comprises that one admits the guide and of the described vertical frame that can slide in vertical direction to be fixed in described guide and keeps the wipe contact spare of wipe contact with described vertical frame.
15. aerial work engineering truck as claimed in claim 1, it is characterized in that: it also comprises:
The control setup of one described suspension rod of control and the operation of described rotating mechanism:
Described control setup is supported in described elevator bucket, and can be between the operating position outside installation position in the described elevator bucket and the described elevator bucket pivoted.
16. aerial work engineering truck as claimed in claim 11 is characterized in that:
Described elevator bucket comprises and is used for surveying whether described upper frame extends upwardly to an operating position from described underframe detector, and,
Have only after described detector determines that described upper frame is in operating position, the operation of described suspension rod could allow to carry out.
17. aerial work engineering truck as claimed in claim 1 is characterized in that:
One can make chaufeur distinguish that in operator's compartment the suspension rod position indicator of its fore-end position when the nearside suspension rod is in place invests the front end position of described nearside suspension rod.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2938295 | 1995-02-17 | ||
| JP29382/95 | 1995-02-17 | ||
| JP69748/95 | 1995-03-28 | ||
| JP6974895 | 1995-03-28 | ||
| JP7275801A JP2656763B2 (en) | 1995-02-17 | 1995-10-24 | Aerial work vehicle |
| JP275801/95 | 1995-10-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1135431A CN1135431A (en) | 1996-11-13 |
| CN1088039C true CN1088039C (en) | 2002-07-24 |
Family
ID=27286544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96103446A Expired - Fee Related CN1088039C (en) | 1995-02-17 | 1996-02-17 | Machineshop car for air operation |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2656763B2 (en) |
| KR (1) | KR0156091B1 (en) |
| CN (1) | CN1088039C (en) |
| MY (1) | MY120877A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004074578A1 (en) * | 2003-02-19 | 2004-09-02 | Nippo Corporation | Asphalt uniformly paving equipment |
| JP5150239B2 (en) * | 2007-12-21 | 2013-02-20 | 株式会社タダノ | Bucket cover |
| CN102897645B (en) * | 2012-09-15 | 2015-04-15 | 王志华 | Hanging basket device special for autocrane |
| CN103058104B (en) * | 2012-12-06 | 2016-03-30 | 长沙中联消防机械有限公司 | Aerial platform and working bucket leveling mechanism thereof |
| KR101681801B1 (en) * | 2014-01-10 | 2016-12-01 | 신승옥 | Boom-rotating device and high place working system and high place operation car using the same |
| CN103979467A (en) * | 2014-06-06 | 2014-08-13 | 常州德日机械有限公司 | Novel multifunctional crane |
| CN104359499B (en) * | 2014-10-31 | 2016-10-05 | 沈阳紫微机电设备有限公司 | Mobile laboratory's car body separating experiment platform |
| CN106430015B (en) * | 2016-08-24 | 2019-05-24 | 浙江鼎力机械股份有限公司 | Car body and aerial work platform with turnable control cabinet |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3767007A (en) * | 1971-12-10 | 1973-10-23 | Ssp Truck Equipment Inc | Extensible ladder assembly and aerial basket therefor |
| US3915471A (en) * | 1973-10-15 | 1975-10-28 | Erven Tallman | Outrigger stabilizer and leveler |
| GB2072137A (en) * | 1980-02-20 | 1981-09-30 | Cella Spa | Limiting the range of lifting apparatus |
| JPS58199275A (en) * | 1982-05-13 | 1983-11-19 | Mitsuhiro Kishi | Mechanism for controlling center of gravity of high-place working vehicle |
| US4962827A (en) * | 1989-07-18 | 1990-10-16 | Garnett Edward V | Extendable, elevatable, rotatable, collapsible boom and basket for vehicles |
| GB2242887A (en) * | 1990-04-12 | 1991-10-16 | Stramex Ltd | Manoeuvrable work platform assembly |
-
1995
- 1995-10-24 JP JP7275801A patent/JP2656763B2/en not_active Expired - Fee Related
-
1996
- 1996-02-14 MY MYPI96000560A patent/MY120877A/en unknown
- 1996-02-15 KR KR1019960003737A patent/KR0156091B1/en not_active IP Right Cessation
- 1996-02-17 CN CN96103446A patent/CN1088039C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3767007A (en) * | 1971-12-10 | 1973-10-23 | Ssp Truck Equipment Inc | Extensible ladder assembly and aerial basket therefor |
| US3915471A (en) * | 1973-10-15 | 1975-10-28 | Erven Tallman | Outrigger stabilizer and leveler |
| GB2072137A (en) * | 1980-02-20 | 1981-09-30 | Cella Spa | Limiting the range of lifting apparatus |
| JPS58199275A (en) * | 1982-05-13 | 1983-11-19 | Mitsuhiro Kishi | Mechanism for controlling center of gravity of high-place working vehicle |
| US4962827A (en) * | 1989-07-18 | 1990-10-16 | Garnett Edward V | Extendable, elevatable, rotatable, collapsible boom and basket for vehicles |
| GB2242887A (en) * | 1990-04-12 | 1991-10-16 | Stramex Ltd | Manoeuvrable work platform assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| KR960031204A (en) | 1996-09-17 |
| JPH08324987A (en) | 1996-12-10 |
| CN1135431A (en) | 1996-11-13 |
| JP2656763B2 (en) | 1997-09-24 |
| KR0156091B1 (en) | 1999-02-18 |
| MY120877A (en) | 2005-12-30 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20020724 |