CN201176325Y

CN201176325Y - Garbage collection and transport vehicle and hoisting device thereof

Info

Publication number: CN201176325Y
Application number: CNU2007201532472U
Authority: CN
Inventors: K·希尔瓦尼
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-02-09
Filing date: 2007-08-09
Publication date: 2009-01-07
Anticipated expiration: 2017-08-09
Also published as: WO2007092613A2; WO2007092613A3

Abstract

A trash collective vehicle comprises a hoisting device which can hoist a trash storage container to a flat car body, and can lift down the trash storage container. The hoisting device adopts a pulley device, wherein the pulley device comprises a plurality of pulleys and a pulley frame, and the pulley frame is driven to move back and forth by a hydraulic cylinder. A pulley rope is connected to the pulley in a preset way in order to force the equal forces to the pulley frame, therefore the pulley frame avoids the horizontal torsion when moves back and forth.

Description

Refuse collection trucks and hoisting device thereof

Related application and introducing reference

[0001] the utility model application requires the rights and interests of No. the 60/771st, 778, the U.S. Provisional Patent Application that is entitled as " REFUSE COLLECTION VEHICLE INCLUDING NOVELLIFTING APPARATUS " submitted on February 9th, 2006 according to 35USC 119 (e).This related application is incorporated in this specification sheets as a reference and is become the application's a part.If between the disclosure of the Invention of the utility model application and this relevant provisional application open, have repugnancy, be as the criterion with disclosing of the utility model application.In addition, the contriver incorporates US Patent, U.S. Patent application and other file, hard copy or electronic copy cited or that quote among any and all the application in this specification sheets into as a reference.

Definition

[0002] word " comprises ", " have ", " contain " and " comprising ", and their other form, the meaning on be the equivalence and be open, reason is that to follow article of any one back in these speech or some article be not the exhaustive of these article or some article, in other words, is not limited in listed article.

[0003] word " rope " comprises the equipments such as rope, line, rope of any flexibility and elongation, and these equipments adopt one or more strands of materials.

[0004] word " rectangle " comprises square.

Background technology

[0005] one type refuse collection trucks is used hoisting device (being commonly referred to " rolling dress ") the rubbish storage container to be lifted overhead, lifted on the flat board of car and with the rubbish storage container on the flat board and is reduced on the ground.That traditional " rolling dress " hoisting device of this kind uses a pair of hydraulic pressure usually or compressed-air controlled cylinder is to move at the rubbish storage container and when moving get off dull and stereotyped, pulley gear moves around.Although that wish only to use mono-hydraulic pressure or compressed-air controlled cylinder, but be to use the design that is proposed single hydraulic pressure or the compressed-air controlled cylinder to cause the lateral torsion that reverses pulley gear, cause the wearing and tearing that cause by friction to increase, perhaps even cause the jam (jamming) of pulley gear.

The utility model content

[0006] claims have been summed up the present invention, and the present invention has the one or more features described in title is the illustrative embodiment of being discussed in the part of " specific embodiment ".Briefly, the content that claims are explained does not limit the scope of the invention, and some in its feature (needing not to be whole) are:

[0007] first, this refuse collection trucks comprises the have hoist(-se) vehicle body of (hoist).Hoisting device is installed on the vehicle body, and when operation, hoisting device is lifted the rubbish storage container on the vehicle body and with it and lifted down from vehicle body.Hoisting device may be operably coupled to hoist(-se) so that when promoting hoist(-se), hoisting device moves to obliquity from the position of approximate horizontal, and in this obliquity, the inner of hoisting device is raised and the outer end of hoisting device is lowered.

[0008] second, hoisting device has framework and pulley gear, and the latter comprises a plurality of pulleys, one movably pulley yoke and the pulley rope that is connected to pulley.Pulley yoke had relative to transverse sides when pulley yoke moves and the framework engagement.Framework can comprise the pair of parallel rail, and each rail can comprise ways.Pulley yoke relative to transverse sides when pulley yoke moves, advance along ways.Transverse sides and ways can be V-arrangements roughly and can be configured and be positioned to cooperatively interact.Interchangeable abrasion member can be between a transverse sides of each ways and pulley yoke.

[0009] the 3rd, only single surging (hydraulic pressure or pneumatic) cylinder mechanism is used for the mobile pulley frame.Cylinder mechanism has the bar that may be operably coupled to pulley yoke, and it is after startup, and along mobile pulley frame between near the extended position the outer end of the midway location of framework and hoisting device, vice versa.Hoisting device can have longitudinal centerline, and pulley yoke can be positioned at the center along this longitudinal centerline.The rubbish storage container is advanced along the rail of framework, and each rail is equidistant from longitudinal centerline.Bar also can be a line of centers along the longitudinal.By a kind of mode thereby the pulley rope is connected to pulley, makes pulley yoke can avoid cross torsion at it when framework moves with the power that applies to removable pulley yoke about equally, and then make that friction is minimized and jam also is minimized or avoids.In other words, when cylinder is activated, its mobile pulley frame and do not apply cross torsion power or moment of torsion to it.

[0010] the 4th, pulley gear can comprise first and second pulley yokes.First pulley yoke can be fixedly installed near hoisting device the inner framework, and second or removable pulley yoke can be connected to the outer end of cylinder rod and be positioned between the rail, and when this bar moves, can move along rail.First pulley yoke can have shell, and first pulley is installed in it, and when hoisting device was positioned at the position of approximate horizontal, first pulley was arranged with the direction of approximate horizontal.This first pulley can have the wheel shaft of line of centers longitudinally, when hoisting device is positioned at the position of approximate horizontal, and wheel shaft approximate vertical orientation.When hoisting device was positioned at the position of approximate horizontal, second pulley can vertical or subvertical direction be installed in the outside of the first pulley yoke shell.This second pulley can also have a wheel shaft, and this wheel shaft is positioned at respect on the rectangular plane of longitudinal centerline.This second pulley yoke can have shell, and third and fourth pulley is installed in it, and this third and fourth pulley longitudinally line of centers is axially aligned and be roughly equidistant from each rail.The 3rd pulley can be positioned on the 4th pulley, and when hoisting device was positioned at the position of approximate horizontal, third and fourth pulley can be in the direction of approximate horizontal.One end of pulley rope can be fixedly connected near the inner place of hoisting device or its, the pulley rope stretch out from the inner at first walk around the 3rd pulley, then walk around first pulley, then walk around the 4th pulley, walk around second pulley at last, and ending at free end, this free end is suitable for being connected to separably the rubbish storage container.The wheel shaft of tiltable second pulley is to avoid the engagement of pulley rope and cylinder mechanism.

[0011] these features are not listed with any ranking compositor, and this tabulation also non-be intended to exhaustive.

Description of drawings

[0012] set forth some embodiment of this refuse collection trucks of its all features, will go through hereinafter.These embodiment have described novel and non-obvious refuse collection trucks as shown in the drawing, and accompanying drawing is only as the illustrative purpose.Accompanying drawing comprises following each figure, wherein same numbers indication same parts:

[0013] Figure 1A is to use the lateral plan of this refuse collection trucks before the rubbish storage container is loaded on this refuse collection trucks of the hoisting device shown in Fig. 2;

[0014] Figure 1B be lift the rubbish storage container on the plateform body of car before, the lateral plan of the refuse collection trucks shown in Figure 1A, its hoisting device is connected to the plateform body of car;

[0015] Fig. 2 is the decomposition diagram of this hoisting device;

[0016] Fig. 3 is the planar view that this hoisting device shown in Fig. 2 is in the downside under the assembled state;

[0017] Fig. 4 has described the scheme drawing of the rope winding method of employed pulley gear in the hoisting device;

[0018] Fig. 5 shows the planar view of the standby installation component of pulley gear, and it is connected to the inner of this device;

[0019] Fig. 5 A shows the planar view of the substituting installation component of pulley gear, and it is connected to the inner of this device;

[0020] Fig. 6 shows the scheme drawing that acts on the power on the employed removable pulley yoke assembly in this hoisting device;

[0021] Fig. 7 is the planar view that is installed as the pulley yoke assembly of the pulley gear that moves around along hoisting device;

[0022] Fig. 8 is the end elevation that the line 8-8 along Fig. 7 is got;

[0023] Fig. 9 is the view that the line 9-9 along Fig. 7 is got;

[0024] Fig. 9 A is the planar view of end casing, and it remains on appropriate location in the pulley yoke assembly with interchangeable abrasion member, until being replaced;

[0025] Figure 10 shows the lateral plan of the hoisting device that is promoted by the hoist(-se) of car, by the rubbish storage container that hoisting device rest on the ground;

[0026] Figure 10 A is the section drawing that the line 10-10 along Figure 10 is got;

[0027] Figure 11 is the lateral plan that the rubbish storage container on the plateform body of being lifted overhead and lifted car is shown;

[0028] Figure 11 A is the cross sectional drawing that the line 11A-11A along Figure 11 is got;

[0029] Figure 12 shows the hoisting device that is lowered to level attitude fully and the lateral plan of the rubbish storage container that supported by the plateform body of car fully.

The specific embodiment

[0030] Figure 1A, 1B and Figure 10 to 12 have explained an embodiment of this refuse collection trucks, and it is generally indicated by numeral 10.This refuse collection trucks 10 comprises plateform body 12, and this vehicle body comprises a pair of hoist(-se) 14 (only illustrating) of every side of vehicle body and the hoisting device 16 (Fig. 2 and 3) that is supported by plateform body of being positioned at.Hoisting device 16 is designed to 18 acts of standard rubbish storage container overhead and with container are placed on the plateform body 12, and after toppling over, the rubbish storage container on the vehicle body is reduced to ground.Every side of hoisting device 16 may be operably coupled to a hoist(-se) 14, and the pivot element 17 on every side of vehicle body 12 is connected to hoisting device 16 near the 16b of the outer end of hoisting device.When promoting this to hoist(-se) 14, hoisting device 16 is in pivot element 17 place's pivoted, and move to obliquity (Figure 10) from the position (Figure 1B) of approximate horizontal, in this obliquity, the inner 16a of hoisting device 16 is raised and the outer end 16b of hoisting device is lowered.When being in obliquity, the single cylinder mechanism that surges (hydraulic pressure or compressed-air controlled cylinder 20 (Fig. 2 and 3)) drives its bar 20a, to lift rubbish storage container 18 on the plateform body 12 or to be reduced on the ground.

[0031] hoisting device 16 is ladder-shaper structures of elongation, and it has longitudinal centerline C (Fig. 2).Hoisting device 16 is positioned at along the center of plateform body 12, and hoisting device 16 is initially in the direction of approximate horizontal, and its inner 16a is near the operator's compartment 10a of car 10, and the outer end 12a that its outer end 16b crosses plateform body 12 stretches out.It comprises framework 22, and framework 22 comprises a pair of

rail

24a and 24b by a series of cross bar 25 bonded assembly almost parallels, and every rail decentering line C is equidistant.On each outside of every

rail

24a and 24b is a series of intervals 26, and when rubbish storage container 18 was positioned on the plateform body 12, it supported rubbish storage container 18.As shown in clear among Figure 12 like that, at the inner 16a of hoisting device 16 is a pair of

hook element

28a and 28b, each hook element meshes with

30a and 30b (Figure 11 A) respectively, and

30a and 30b stretch out from the opposite side of being lifted the rubbish storage container 18 on the plateform body 12.

[0032] as shown in clear among Fig. 2,3 and 4, drive cylinder 20 and may be operably coupled to pulley system 32, pulley system 32 is included near be fixedly installed to framework 22 the inner 16a of hoisting device 16 dead sheave frame 34, is mounted with pulley yoke 36 that moves around along framework 22 and the pulley rope 38 that is connected these pulley yokes.Dead sheave frame 34 has the shell 39 that two

pulley

40a and 40b are installed.Shell 39 comprises top board 39a (Fig. 2) and base plate 39b (Fig. 3 and Fig. 5).In shell 39, when hoisting device 16 was in the position of approximate horizontal, pulley 40a was arranged between top board 39a and the base plate 3b with the direction of approximate horizontal.When hoisting device 16 was in the position of approximate horizontal, this pulley 40a is the wheel shaft A1 (Fig. 4) of line of centers C with its approximate vertical orientation longitudinally.Another pulley 40b is installed in the outside of top board 39a.Pulley 40b have be positioned at plane P (Fig. 4) wheel shaft A2 (Fig. 4), plane P roughly meets at right angles with respect to longitudinal centerline C.Shown in clear in Fig. 5 and 6, when hoisting device 16 was in the position of approximate horizontal, the main body of pulley 40b can be in vertical or subvertical direction.As shown in Figure 5, pulley 40b with respect to base plate 39b tiltable or slightly at angle.The size that depends on pulley, this may be preferred, when reeling

other pulley

40a, 40c and 40d with convenient rope 38, rope 38 does not mesh with cylinder 20.In other cases, as shown in Fig. 5 A, when hoisting device 16 was in the position of approximate horizontal, pulley 40b can be positioned at vertical direction.

[0033] removable pulley yoke 36 be connected to cylinder 20 bar 20a the outer end and between

rail

24a and 24b, and be mounted during by hydraulic pressure or pneumatic actuation, to slide along these rails at piston rod.Shown in the solid line among Fig. 3 like that, in the time of when bar 20a is withdrawn into cylinder 20 in, pulley yoke 36 is about in the end 16a of hoisting device and the centre between the 16b.When bar 20a stretched out, pulley yoke 36 moved to the outer end 16b of hoisting device 16.Pulley yoke 36 is positioned at line of centers center longitudinally, and bar 20a longitudinally line of centers C roughly vertically arrange, and roughly equidistant from every rail 24a and 24b.As hereinafter going through, when bar 20a stretches out rubbish storage container 18 is moved to plateform body 12 or withdrawal when container being rolled from plateform body, bar 20a moves in the path that is roughly parallel to rail 24a and 24b.

[0034] as shown in Fig. 7 to 9, the pulley axially aligned is housed in the pulley yoke 36 to 40c and 40d.The wheel shaft A3 of these pulleys 40c and 40d and A4 (Fig. 9) longitudinally line of centers C arrange and are roughly equidistant from every rail 24a and 24b.Pulley 40c is positioned on the pulley 40d, and when hoisting device 16 is in the position of approximate horizontal, and these two pulleys all are in the direction of approximate horizontal and their wheel shaft A3 and A4 vertical orientation.Pulley yoke 36 comprises that by the plate 48a of relative roughly V-arrangement and top board 46a and base plate 46b that 48b links together, plate 48a and 48b form the relative side of pulley yoke 36.

[0035] interchangeable abrasion member, such as flat rectangular plastic strip 50 (one only shown in Figure 2), be used to the coupling V-arrangement ways 49a of the inside face that makes independent V shaped slab 48a and 48b and be connected to every

rail

24a and 24b and the minimum friction forces between the 49b (Fig. 9).When pulley yoke 36 moves around and band 50 when directly supporting near

ways

49a and 49b, the transverse sides of pulley yoke 36 is advanced along ways 49a and 49b.As shown in Fig. 7 to 9,

lower channel

54a and 54b on the exterior carriage 52 that is connected to V shaped slab 48a and 48b forms respectively in each V shaped slab 48a and 48b, V shaped slab 48a and 48b make a pair of plastic strip 50 manually be inserted and therefrom remove and the device that need not screw, bolt or similar fastener passes band so that hold them in the appropriate location.(for example the carbon of selling with trade mark NylatronGSM is strengthened compound to suitable plastics, it can obtain from the Port Plastics in California Industry city) can be used for the last band the upper channel 54a, and suitable plastics (for example, supra polymer weight nylon) can be used for the following band among the lower channel 54b.

[0036] situation may be, when independent band 50 was inserted upper channel 54a or lower channel 54b, the bolt (not shown) was connected to the open end of

passage

54a and 54b separably with end cap support 56, plastic strip is remained on the appropriate location in the passage.Shown in the dotted line among Fig. 9, bolt passes the opening 56a in the end cap support 56, enters the jack 58 at the end place of V shaped slab 48a and 48b, and the end cap support is fixed to plate.When needs are replaced plastic strip 50, unclamp bolt and separating end lid support 56.Worn-down plastic strip 50 skids off from

passage

54a and 54b, and it is replaced with new plastic strip, and coupling end lid support 56 again.

[0037] as shown in Figure 4, by pulley rope 38 being tied to or otherwise being connected to the top board 39a of shell 39, an end 38a of pulley rope 38 is fixedly attached near the inner 16a place of hoisting device 16 or its.Rope 38 stretches out from this inner 16a in a direction at first walks around pulley 40c.Reverse directions then, rope 18 is walked around pulley 40a and is stretched out.Afterwards, reverse directions once more, rope 18 is walked around pulley 40d and is stretched out.At last, rope 18 is walked around pulley 40b and is stretched out, and last reverse directions, ends at free end 38b, and free end 38b is suitable for being connected to separably rubbish storage container 18, as shown in Figure 10.For example, rope free end 38b can have clip 38c (Fig. 2), and its folder is stung on the ring 60 that is positioned in the face of the center of the side of the container 18 of hoisting device 16, as shown in Figure 10 to 12.

[0038] in operation, refuse collection trucks 10 is at first determined the position according to ground rubbish storage container 18, and hoisting device tilts as among Figure 10, and rope 38 free end 38b are connected to ring 60.Drive cylinder 20 with stretch rod 20a.When this finished, rope 18 twined around pulley 40a to 40d, fast container 18 is moved on the hoisting device 16.20a stretches out along with bar, and container 18 is moved on the roller 26 along the outside of rail 24a and 24b.As shown in Figure 10 A and 11A, the top of separated vertical L shaped sufficient 18d and 18e and roller 26 engagement and placed on it along the bottom of container 18.The height h of

foot

18d and 18e is enough to exceed the top surface of

rail

24a and 24b, and the spacing distance d of sufficient 18d and 18e just in time is enough to make these foots to be higher than the outside of rail.Therefore, roller 26 support vessels 18 only.

[0039] along with bar 20 reach, the midway location shown in the solid line of pulley yoke 36 from Fig. 3 roughly along the straightaway path movement to position of stretching out shown in dotted lines in Figure 3.Simultaneously, container 18 is lifted on the hoisting device 16 fully, and

hook element

28a and 28b and

30a and 30b engagement are to be fixed to container on the hoisting device.After this, drive hoist(-se) 14 so that hoisting device 16 is reduced in the position shown in Figure 12, the container 18 on the hoisting device is in the direction of approximate horizontal.When car 10 arrives Refuse bins with when container 18 unloads rubbish, drive hoist(-se) 14 once more so that hoisting device 16 is increased to obliquity, and the back door (not shown) of opening container falls down from container to allow the rubbish by gravity.By at first using tilt hoisting device 16 and drive cylinder 20 then so that 20a moves to retracted position from extended position of hoist(-se) 14, car 10 can be back to its initial position with container 18, and it is discharged on the ground.When this finished, rope 18 was untied to 40d from pulley 40a, at leisure container 18 was reduced on the ground.

[0040] as schematically describing among Fig. 6, the mode of above-mentioned connection pulley rope 38 applies and affacts on 40c and the 40d soil fertility F1 and F2 about equally to pulley yoke 36, so pulley yoke is avoided in its its cross torsion when framework moves around.This has been avoided the interchangeable plastic strip 50 that carried among undue wear V shaped slab 48a and the 48b, and V shaped slab 48a and 48b form the relative transverse sides of pulley yoke 36.

[0041] compares with tradition " rolling dress " type hoisting device, adopted this refuse collection trucks of " rolling dress " type hoisting device faster, more cheap, lighter and be easier to operate, and minimized the wearing and tearing that cause by friction, minimize or avoided jam.

Invention scope

[0042] above with complete, clear, concisely and accurately term has provided implementing that the optimization model of being considered of the present invention is described and to making and use the description of its mode and process, so that those skilled in the art can make and use the present invention.However, can make amendment and it is become and its complete alternate configurations of equivalence from said structure the present invention.Therefore, be not intended to limit the invention to disclosed specific embodiment.On the contrary, the invention is intended to contain all modifications and alternate configurations in the scope of the present invention, scope of the present invention is summarized statement by claims, and it particularly points out and clearly advocates theme of the present invention.

Claims

1. the hoisting device on the dull and stereotyped car body that is suitable for being installed in refuse collection trucks, it comprises:

Framework, it comprises a pair of rail that is suitable for supporting the almost parallel of rubbish storage container,

Pulley yoke, its have between described rail and with the relative transverse sides of described rail ingear, described pulley yoke along described rail be can move around and carry a pair of pulley of axially aligning, a pulley is positioned on another pulley, and when described hoisting device is in the position of approximate horizontal, each described pulley is in the direction of approximate horizontal

The single cylinder mechanism that surges, it has the bar that vertically is arranged between the described rail, described bar center is connected to described pulley yoke, and after described cylinder mechanism starts, described bar is moving described pulley yoke between near the extended position the described outer end of the midway location of described framework and described hoisting device

The pulley rope, it is right that it is connected to described pulley in a predefined manner, applying power about equally to described pulley yoke, so described pulley yoke has been avoided in its cross torsion when described framework moves around.

2. hoisting device according to claim 1, wherein said every rail comprises ways and the transverse sides of advancing along described ways when described pulley yoke moves around.

3. hoisting device according to claim 2, wherein said transverse sides and ways all are V-arrangement and are configured to cooperatively interact.

4. hoisting device according to claim 3, it comprises the interchangeable abrasion member between a transverse sides of each ways and described pulley yoke.