DE2035351A1 - Earth spacecraft - Google Patents

Description

General Motors Corporation., D et rο i t, Mictu, V.St.A

Erdräumfabrzeugj
Addition to Patent Application, P 17 59 700.1-25

The invention relates to egg α He d, spacecraft with a dragline and transversely between the side walls Einein cutting blade and a movable shield in a position with its lower edge adjacent to the cutting blade shut the front of the dragline bucket and T _r agarme on the side walls of the Scraper is articulated and rotatable about a horizontal axis on the side walls of the scraper, by a motor. antreiVtore latriete via links whose Aaschlusspunkte the shield in its Schlieesstellung below the axis of rotation of the drives in liegeE ₉ '. a substantially circular or elliptical path from the

109835/0936

Closed position first to the Rüelwattä of SeMrfldibela to and then in the opposite Riehtang movable iet 'em to support the loading ^ back to Patentanmeldung.P..17.59 .7ΟΟ-.1-25 · _9th and represents an improvement of this design- "Darο : -" -__ '■'

When forming accurate remote "HaaptpateBt the Bewegunfesbaha the ski idea. Eiaer fixed ZciorSsistii cutting blade · The improvement you is" Aöfgalöe "@ug? .Ande to make the trajectory of the shield SekaeiSmesser.einstellbar to adapt to the device the respective working conditions Better to can _o

According to the invention, this object is achieved by the fact that the drive is equipped with fragile side walls over the scraper in the 2? ioE-isoBtal corn. ties are and the fragajsa © raa di © te? Isoatis.la Achs © 'hydraulic winches, which ait ä®m SehfefMb ©! v © rband @ n for the purpose of adjusting the length of the Bti-jQgaBgitehEi i © s shield

'■■■ "■■■■

zsum cutting knife swiveling siaä _o . '. ■■■ -.

Ia further carrion form 'd @ r lef isäaag is-.vor = geeehen that the Tragara © for & qu Sefeilö. aa äsa S @ it @ awän.äea 'dee scraper in egg bosig © atal © ft Aete © ä © r Sragam © for the drive © ang @ lenkf-sißäo. """. ■ ■" ■■ - - -

laugh © la © »ü © it © r © n Ι ^ βέΙμμ & Ι. i © r. Ssf ittiöBg is intended, Hass äi © foyis? & UXis © ta © & Wisi®a old direction

109835/0936

2 U 3 b 3 51

for the drives to allow their horizontal acbae, so that the shield can adjust itself when loading in the most advantageous position to the cutting knife _e

In the drawing, the invention is explained using an exemplary embodiment. Show in the drawing Fig. 1 is a side view of a scraper bucket

seugs after the main application, fig. Figure 2 is a plan view of Pig. I, fig. 3 shows a detail from FIG. 1 in an enlarged hatred bar with two working positions of the shield,

Pig. 4 shows a detail from FIG. 1 in an enlarged hatchet with the shield in two other working positions, FIG. 5 shows a side view of one according to the invention

improved scraper vehicle and FIG. 6 is a plan view of FIG. 5.

According to FIGS. 1 to 4, a rubber-tyred self-propelled spacecraft consists of a tractor 10, which is connected to a wheel-supported scraper via a boom 12. The tractor 10 has at the front End of a drive motor, not shown, and a driver's seat 16. At the rear end is a vertical pivot pin 18 provided to the rear-facing

ORIGINAL INSPECTED ~ ^ ~

109835/0936

Boom 12 is activated. This connection is used to steer the vehicle. The gooseneck 20 of the boom 12 is rigidly connected to a transverse ear 22 ; and 30. of the scraper-14 are connected® · These arms allow a vertical movement of the scraper- «. Two hydraulic winches 32 and 43 _r -'whose are used for this purpose Ends at the front of the side walls 28 or 30, attached to aiad®. ". Depending on the setting, there is fier ^: Se'h'kubella of the digging position or the transport position · ';";..""-'" ■■ ".- ■".

The trough 36 of the scraper extends between a. the tub 36 carries 'articulated © in Sehneidraeaser 42'. At the rear end · the SchÜrfküb@1.8-'lst © la © unloading device is provided, which consists of a handlebar 44s> a:. "Heb ©! 46; üBä hydraulic jacks 48 "bestehtt 'raised 4nröb ai © -.The ÄÜokwaai 40 of the trough 36 weriöa teattj, ifäteeaä: si fe ©-gl © © IEHS ^ITIG. the leading edge' of the .Wanne einschlieeslicto 42 rearwardly a length" EIoEaHg 50--

from the bottom of the Sohurchkübe-ls- 'abrutse "ö @ n -", ka®a _e "."; ■ -.- ■ ". / -" - "..-"". In the front" part. of;; Seftefk ^ ffeels ;. -M: ■ iet. β i u shield 52 with. suge ~ ordaet * B drive ▼ p '

1098 3 5/0936

of the scraper supported when digging. The shield 52 consists of an arched plate lying in the transverse direction of the scraper, the ones drawn in Pig «1 Stellang the mouth of the scraper 14 closes and holds back the absorbed earth. Bas upper ead of the shield 52 is connected to two support arms 54 and 56 on both sides of the shield and pivot pins 53 and 60 in the area of the side walls. The support arms 54 and 56 extend to the rear and can sbbwenken about transversely aligned pins 62 and 64 via which they connect to the side walls 28 and 30 of the scraper are hingedly connected. she Support arms serve as guides for the upper rope of the shield 52 in certain positions when this is in a closed position Web rotates when its drive is switched on. At the front. Part of the side walls are rotatably mounted gears 66, via chains 68 with gears on a drive shaft 70 are connected. The drive shaft 7.Q is driven by a transmission by a hydraulic motor 74, which is on a Cross member 75 is seated, which connects the two side walls of the scraper 14. Each gear 66 is rigid with it associated crank 76, the free end of which is articulated with the lower part of the shield 52 via a pin 78 connected is. if the hydraulic motor 74 is running, rotating the drive shaft 70 one revolution of the crank 76.

109835/0936

/ U3S3S]

? In the J ig · 3 and 4, the movement of the SehHdes 52 is shown during a Umlaafs, InWIg ₉ 3 runs ias gear 66 counterclockwise Uhrzeigersiaa m _f s © hese iie - Urbel from the down gerietrtetea Stelleag la iie aaeia right directed position is moved, Woierefe äes "Sefeili 52 aws its closed position with its n $ srtei? © a Saat © isaefe fine and above after an arched Bsba 80 teaegt isi ^ i", Ba dag rear end of the support arm 56 at ü @ t § © iteatmmi 30 i @ s scraper bucket is aagelealrt, does © i? nls sfeaieiiaie ISteong for the upper end of the shield 52j, wnaa iesisea iaaterar part driven by the crank 76 wiisä® Ia I ¹ Ig ₀ 4 siai the positions of the shield 52 iargest © llt ₉ w © mm il © Sia ^ tel 76 rotated further «Ia fler eiae © gt © 13.®® @ i®" fe äi © Sage 76 directed upwards aai g © laagt ais ii © s @ r · Stellsag when turning further into the aach
she returns at VollettclOQg eia @ r üeärebiaiag ± m ii © the uatere Kaat © ie © Sefeili ©nahm 52 Siarefellaft aleo with a turn-around i © s latriefee® © im © g © s®tol®ss ©! a @ labs 8O ₉ the elliptically © Worm has wove © i ai © Ea © fte © & s © i © r © Sllips ii in Mttgsrictatmtag!; des ScbSsfMbdlii 14 Q ^ sfesekt wmä ia tj borrowed parallel smm Bod @ n 58 i® ^! feiaa® 3 <§ä legittB des

wise about la äer Stellaag s © ia _p \ 4i * Q / Ia gQii3fei © te®It © ia in Pig. 4 aiagoieirtet isto B ©! ¹ i ^ öfefMäldl 14 üis-i i © a® aitt @ l ©

ORfCMNAL

09835/0936

2u353b1

the hydraulic Wimdea 32 and 34 lowered to the desired Set the cutting depth, after which the forward movement begins. That Loading of the scraper can be done in this way without actuating the shield. With increasing loading of the scraper However, if the excavated earth accumulates in the area of the Sehneidmeseer, the loading of the scraper is delayed and the driving resistance is unduly increased. The operator can then switch on the hydraulic motor and causes the drive of the shield 52 in the catfish described above, whereby the in the range of the cutting knife located earth in the direction of the rear wall 40 of the tub is moved and clears space for new earth to be recorded. This will make loading the scraper quick achieved with full utilization of its capacity "

The improved embodiment according to the invention is shown in Figures 5 and 6 and differs in that the drives for the shield 52 * are not mounted directly on the side walls 28 * or 30 * of the scraper 14 *, but via associated support arms 100 and 102., The rear ends of the support arms 100 and 102 are mounted on the side walls 28 ″ or 30 ^{f of} the scraper 14 · around pins 62 · or 64 ¹ , which form a horizontal axis and at the same time the pivot pins for the support arms 54 · and 56 · form for the shield 52 *, the front ends of which via pins 58 · with the upper

-8th-

109835/0936 ° ^{RIGINAL 1NSPE0TH)}

Part of the shield 52 »are articulated» The drives also consist of toothed wheels 66% which are connected via chains 68 ^s to a gear 72 *, since it is driven by a hydraulic motor 74 *. The drives are carried by the front ends of the support arm 102 "A drive" shaft 70 extends across the scraper 14 * and drives a corresponding drive on the other side of the scraper, the. the support arm 100 is held · By using the support arms 100 and 102 for mounting the drives on the side walls of the scraper bucket, the position of the circular or elliptical path of movement 80 ¹ (Fig. 5) of the lower edge of the shield 52 * In relation to the cutting knife 42 · -adjusted · 'For this purpose, a laee 104 is formed at the rear ends of the support arms 100 and 102, which engages with a stepped part in an arc-shaped Säübs 106 of the associated side wall of the SehüEfkübels 14 ^s , "The lower ends of the lases 104 are articulated to the piston rod via a pin 107 ... a double-acting hydraulic wind © .108, whose cjliaders are attached to the outer side of the adjacent side wall of the support bracket B. 14 ' Winches 108 can swivel the support arms 100 and 102 up about their horizontal axis 64 ⁸ , whereby “the
52 * in relation to cutting knife 42

10 9835/0936 "- original inspect

Under certain operating conditions it may be advantageous to clear the shield 52 while charging to vibrate · For this purpose, the control device for the hydraulic winches 108 contains a control valve, which is adjustable into a position in which the support arms 100 and 102 swing freely about their pivot pins 62 * and «64 *, respectively can, thereby allowing the free movement of the shield 52 * is. The shield 52 'can then find the best position in relation to the cutting blade 42' for loading the scraper to enable in the most advantageous manner. The two! 100 and 102 can be rigidly connected to one another by a cross-connection (not shown) in order to achieve the same movement ensure when pivoting.

ORIGINAL INSPECTED '

109835/0936

Claims (3)

IQ - Patent claims s IJ earth clearing vehicle with a scraper lying across between its side walls and a movable shield, which closes the ¥ orä © j? Aeite äes scraper in a position with its lower edge next to the cutting blade and is articulated via support arms on the side walls of the scraper and darch aa the side walls of the scraper to a horizontal one. Axis rotatable drive ©, driven by a motor via £ © nk © r, whose connection points on the shield in the closed position are below the axis of rotation of the drives _f in an essentially circular or elliptical path from i © s? The closed position is initially movable on the rear wall of the scraper blade zn amä iaiia in the opposite direction,
■ support, according to patent application P 17 59 700 _o l »25 _s , that the drives (ßß ⁹ ) via sageorimete fra ^ arms (100, 102) with the cross winds (28% 30) i @ s scraper (14 *) in a horizontal axis (64 ⁸ ) and the (Driagarms around the horizontal
Winches (108) attached to the scraper nnOB'äK / flQ '^ R niGHMiiivi & iL iwörcuäisii Adjustment of the movement path (80 x) of the Scbildes in B _e train to the cutting blade (42 *) are pivotable. 2. Ground clearing vehicle according to claim 1, characterized in that the drag arms (54S 56 ') for the shield (52 ·) on the side walls (28', 3O ¹ ) of the scraper (14 ») in the horizontal axis (64 ^f ) the! support arms (100,102) for the drives (66 *) are articulated » 3. Erdräumfahrzeug according to claim 1, characterized in that the hydraulic winches (108) are provided with a control device which allow the free pivoting of the support arms (100, 102) for the drives (66 ¹ ) about their horizontal axis, so that the shield (52 *) can be set in the most advantageous position to the cutting knife (42 *) when loading. 109835/0936