CN103572794A - Ultra-short tail excavator - Google Patents
Ultra-short tail excavator Download PDFInfo
- Publication number
- CN103572794A CN103572794A CN201310600504.2A CN201310600504A CN103572794A CN 103572794 A CN103572794 A CN 103572794A CN 201310600504 A CN201310600504 A CN 201310600504A CN 103572794 A CN103572794 A CN 103572794A
- Authority
- CN
- China
- Prior art keywords
- driver
- cabin
- excavator
- circular arc
- ultrashort
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses an ultra-short tail excavator, which solves the problem that the existing excavator cannot be operated in a narrow space. The ultra-short tail excavator comprises a walker, caterpillar tracks, a large rotary table, a tray, a cantilever, an excavator bucket, an engine, a cab and a hydraulic system. The ultra-short tail excavator is characterized in that the tray comprises a cab mounting plate and a circular arc bottom plate, wherein the cab mounting plate is used for mounting the cab and located on one side; the circular arc bottom plate is located at the rear side, and used for mounting parts; a semicylindrical space is formed according to a semicylindrical housing arranged on the circular arc bottom plate and can accommodate the parts; the distance from the outer border of the circular arc bottom plate to the rotary center of the large rotary table is smaller than half of the distance between the outer edges of two caterpillar tracks; the hinge joints between the cantilever and the tray are located at the position of the large rotary table near the center. The ultra-short tail design enables the whole excavator to be compact in structure, and saves steel; the excavator can flexibly operate in the narrow space where the original excavator cannot work.
Description
Technical field
The present invention relates to a kind of excavator, be a kind of can be at the ultrashort tail excavator of operation in small space very.
Background technology
Current excavator generally has a larger tailstock, general side the place ahead of designing at seat of supporting-point due to large arm, weight during for large arm two arms of balance and the fully loaded stretching, extension of bucket, the gray iron counterweight of tailstock generally stretches out more backward, like this, when excavator is in small space during operation, while often causing turntable rotation, the gray iron counterweight of afterbody and surrounding environment are interfered, excavator can not be turned round, also just cannot operation in small space, although there is at present short-tail excavator abroad, but when rotating disk is done 360 degree rotation, tailstock still exceeds crawler width, still can not guarantee that the tailstock and the wall that in Zhai lane, operate do not collide.
Summary of the invention
The present invention discloses a kind of ultrashort tail excavator, and object is to make the excavator can be in unusual narrow space, operation neatly.
Theing contents are as follows of concrete invention:
A kind of ultrashort tail excavator, comprise walker, crawler belt, traffic cycle, pallet, cantilever, bucket, motor, driver's cabin and hydraulic system, described pallet as miscellaneous part mounting platform (such as motor, counterweight, radiator, motor, driving hydraulic pump) is fixedly mounted on described traffic cycle, it is characterized in that
Described pallet comprise be positioned at a side for install driver's cabin driver's cabin mounting base and be positioned at rear side for the circular arc base plate of component is installed, and by being set, semi-cylindrical shells forms the semi-cylindrical space that holds component on described circular arc base plate, and circular arc base plate outer is less than two crawler belt outer ledge distances half to the distance of traffic cycle center of rotation
The pin joint of described cantilever and pallet is positioned at the paracentral position of traffic cycle.
Further, also comprise a dozer that is arranged on excavator front end or rear end.
Further, described dozer leans on dozer connecting rod and walker chain connection, and carries out lifting by leaning on the hinged dozer lifting hydraulic cylinder of walker.
Further, between described driver's cabin and bottom plate of driving cab, pivot joint connects, and between is provided with the turning device that driver's cabin is overturn around pivoting point.
Further, described turning device is the lifting assembly of the plunger pump being arranged on away from pivoting point, the two bar oil pipe of described lifting assembly of the plunger pump by its bottom be arranged on hydraulic cylinder on driver's cabin and carry out conduit under fluid pressure and be connected, hydraulic cylinder top is by backing pin and journal stirrup and driver's cabin rear wall chain connection, cylinder lower is connected with driver's cabin base hinge with journal stirrup by backing pin, and all hydraulic flexible pipe and electric wire are all walked around from driver's cabin front lower place.
The invention has the beneficial effects as follows: ultrashort tail design makes whole excavator structure compactness, saves steel, excavator can be deep in original inoperable narrow space, operation neatly.
Can make maintenance and the maintenance work of excavator in more spacious space, carry out, facilitated service worker everything goes well with your work and launched, in addition, hoisting and declining of driver's cabin all must be leaned on artificial slowly carrying out once, this has just eliminated driver's cabin and has fallen fast suddenly, the be too late to dodge hidden danger of caused industrial accident of service worker.
Accompanying drawing explanation
Fig. 1 is diagrammatic front view of the present invention, for clear, expresses, and digging in drawing of site of driver's cabin expressed with dotted line, and rotating disk is half-twist to the right, and all hydraulic pipeline does not all draw.
Fig. 2 is schematic top plan view of the present invention, and dotted line position is a position in dial rotation process.
Fig. 3 is the fundamental diagram of the tip-up device of driver's cabin of the present invention.
In figure: 1 tail counterweight, 2 breathing of engine windows, 3 rotating disks, 4 walkers, 5 dozers, 6 crawler belts, 7 buckets, 8 two arms, 9 driver's cabins of digging, 10 large arms, 11 driver's cabins, 12 circular arc base plates, 13 hydraulic cylinders, 14 motor air intake covers 15 oiling plug screws, 16 backing pins, 17 journal stirrups, 18 driver's cabin rear walls, 19 lever arms, 20 plungers, 21 oil storage cylinders, 22 valve buttons, 23 stop stakes, 24 decline flexible pipes, 25 flexible pipes that hoist, 26 bottom plate of driving cabs, 27 hinges.
the specific embodiment:
Below in conjunction with the accompanying drawings.
Composition of the present invention and structure and common crawler hypraulic excavator are basic identical, also be, by walker 4 both sides activities, crawler belt 6 is installed, walker 4 fronts are provided with dozer 5, rotating disk 3 rear portions, top are installed with motor, the outer tail counterweight 1 that is surrounded by after motor, tail counterweight 1 both sides are provided with breathing of engine window 2, to be engine radiating, the above is all identical with common excavator.
Wherein, the high pressure liquid force feed of hydraulic pump output is the lifting with the hinged large arm of traffic cycle by large arm hydraulic cylinder promotion, hydraulic oil promotes and the lifting of hinged two arms of arm greatly by two arm hydraulic cylinders, hydraulic oil is by the rotation of the servo-actuated bent plate of bucket Hydraulic Cylinder bucket, the motion that rotarily drives bucket push rod of the servo-actuated bent plate of bucket, thereby drive the folding and unfolding with the hinged bucket of two arms, hydraulic oil is by being fixedly mounted on fluid motor-driven traffic cycle on traffic cycle with respect to the rotation of walker, excavator is turned round, hydraulic oil drives respectively two crawler belts in left and right to move forwards or backwards by being arranged on two hydraulic motors at crawler belt rear portion, both sides, to realize advancing of excavator, retreat and turn, one side of traffic cycle, be installed with driver's cabin, the good seat of damping is installed in driver's cabin, this seat is comprised of cushion socket, seat cushion, backrest, driver takes on cushion, dependence is arranged on two master levers of seat cushion both sides, handle the lifting of large arm, two arms, the folding and unfolding of bucket, the left and right revolution of traffic cycle, driver relies on hinge to be arranged on two walking pedals on bottom plate of driving cab, controls respectively two hydraulic motor forward and reverse in the crawler belt of left and right, so just drives respectively advancing and retreating of left and right crawler belt.Two walking pedals also can operate with hand, as long as pull forward or backward wherein with two two walking control sticks being fixedly connected with of walking pedals, just can realize advancing or retreating of this side crawler belt.
As in Fig. 1 to 3, innovative point of the present invention is: the rear portion of the pallet on rotating disk 3 is a nearly semicircular circular arc base plate 12, and be provided with a semi-cylindrical shells and circular arc base plate and form the semi-cylindrical space that holds component, also be referred to as short-tail, and circular arc base plate outer is all less than two crawler belt outer ledge distances half to the distance of traffic cycle center of rotation, rather than the nearly rectangle of common crawler hypraulic excavator; Can, so that all parts on pallet are arranged compactness especially, form ultrashort tail pattern like this.That is to say, guarantee, except large arm 10, two arms 8 and bucket 7, all the other all component outer rims, to the distance at rotating disk 3 centers, are all less than half of two crawler belts, 6 outer ledge distances, like this, when excavator operation in small space, during rotating disk 3 rotation, tail counterweight 1(is ultrashort tail position) to interfere with surrounding environment never again, excavator can be turned round arbitrarily; For the gravity center shift that balance tail counterweight 1 reach brings, the bearing position of large arm 10, the position of the fulcrum of large arm 10 is moved after must be corresponding, moves to the paracentral position of rotating disk 3, the stability while so just having kept excavator to work.In addition, because structure is too compact, start pusher side cover too near by driver's cabin, while therefore overhauling motor, feel very narrow, instrument is put to good use not open, hand can not be stretched in operation, and even service work is difficult to carry out, for overcoming above-mentioned disadvantage, the present invention makes turnover by driver's cabin 11, it is chain-dotted line position that the position of the driver's cabin 11 after upset shows on Fig. 1, is the driver's cabin 9 of digging, and overhauls like this motor just more convenient.
Overturn structure is concrete adopts measure below to realize:
Design feature is: driver's cabin 11 is to be placed on rather than to be fixed on bottom plate of driving cab 26, between driver's cabin 11 and bottom plate of driving cab 26, by two secondary hinges 27, realize chain connection, hinge 27 one end are fixedly connected with the front lower end of driver's cabin, the other end of hinge 27 is fixedly connected with the front portion of bottom plate of driving cab 26, under the shaft centerline of two hinges bottom surface in driver's cabin, although driver's cabin 11 is very near apart from the antetheca of short-tail, driver's cabin 11 still can overturn forward and not interfere with the antetheca of short-tail (containing balancing weight).
For realizing upset forward, the external connection of the interior all control sticks of driver's cabin 11, pedal and button all adopts hydraulic pressure and automatically controlled, for example handle large arm 10 and bucket 7 right master lever, handle two arms 8 and rotating left master lever, control the little pedal that pedal that the left side and the right crawler belt move forward and backward connects control stick, controlled fragmentation hammer and all adopt hydraulic control, the grip of control engine rotating speed has been used automatically controlled.Other are all also automatically controlled as controlled ignition switch, wiper, air conditioner, the sound equipment of starter certainly.While overturning forward for realizing driver's cabin, fluid pressure line and electric wire can not interfered, and all hydraulic flexible pipe and electric wire are all walked around from driver's cabin front lower place, and its length has also been done corresponding increase.
The power that driver's cabin 11 hoists is from the lifting assembly of the plunger pump S that is arranged on motor air intake cover 14 rear portions, and this lifting assembly of the plunger pump S is the matching component being used on the self-unloading trailer that coordinates small tractor to do transportation use, belongs to commercially available finished product (referring to Fig. 3).Lifting assembly of the plunger pump S passes through two oil pipes of its bottom: decline flexible pipe 24, the flexible pipe 25 that hoists is done conduit under fluid pressure with two pipe heads that are arranged on hydraulic cylinder 13 bottoms of driver's cabin label panel back and is connected, this hydraulic cylinder 13 is also to coordinate small tractor to do the matching component finished product on the self-unloading trailer that transports use, hydraulic cylinder 13 tops are by backing pin 16 and journal stirrup 17 and driver's cabin rear wall 18 chain connections, hydraulic cylinder 13 bottoms are by backing pin and journal stirrup and bottom plate of driving cab 26 chain connections, journal stirrup is all the plate part of being made by two metal sheets, be welded on bottom plate of driving cab 26 and driver's cabin rear wall 18.
During use, must first three set bolts of motor air intake cover 28 be unloaded, extracting driver's cabin lock pin out (is exactly one and prevents driver's cabin mobile safety plug for some reason, not shown on figure), lifting control valve button 22 is rotated to " hoisting " position, then by very heavy rod (supporting next iron pipe, be commonly called as very heavy rod) insert in the hole of lever arm 19 and swing up and down, in swing process, plunger 20 moves up and down, by the hydraulic oil in oil storage cylinder 21, by the flexible pipe 25 that hoists, pump into the bottom of hydraulic cylinder 13, tappet in hydraulic cylinder 13 constantly stretches out, promote driver's cabin rear wall 18 progressively up, driver's cabin 11 has just been propped up.
Complete Deng service work, when driver's cabin 11 need to be put down, can be by 22 rotations of lifting control valve button to " decline " position, also in the hole of handy very heavy rod insertion lever arm 19, swing up and down, in swing process, plunger 20 moves up and down, by the hydraulic oil of hydraulic cylinder 13 bottoms by decline flexible pipe 24 blowback oil storage cylinders 21, the continuous retraction of tappet in hydraulic cylinder 13, pull driver's cabin rear wall 18 progressively descending, driver's cabin 11 has just been put down, last, plug driver's cabin lock pin, work complete.When lifting altitude is not enough, oil storage cylinder 21 oil starvations, can screw off oiling plug screw 15 and annotate often.The effect of stop stake 23 is to prevent the 22 lopping rotations of lifting control valve button, plays position-limiting action, makes its maximum Rotate 180 degree (half-turn).
Embodiment recited above is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; relevant technical staff in the field, to various distortion of the present invention and improvement, all should expand in protection domain as determined in the claims in the present invention book.
Claims (5)
1. a ultrashort tail excavator, comprises walker, crawler belt, traffic cycle, pallet, cantilever, bucket, motor, driver's cabin and hydraulic system, as the described pallet of miscellaneous part mounting platform, is fixedly mounted on described traffic cycle, it is characterized in that,
Described pallet comprise be positioned at a side for install driver's cabin driver's cabin mounting base and be positioned at rear side for the circular arc base plate of component is installed, and by being set, semi-cylindrical shells forms the semi-cylindrical space that holds component on described circular arc base plate, and circular arc base plate outer is less than two crawler belt outer ledge distances half to the distance of traffic cycle center of rotation
The pin joint of described cantilever and pallet is positioned at the paracentral position of traffic cycle.
2. ultrashort tail excavator according to claim 1, is characterized in that, also comprises a dozer that is arranged on excavator front end or rear end.
3. ultrashort tail excavator according to claim 2, is characterized in that, described dozer leans on dozer connecting rod and walker chain connection, and carries out lifting by leaning on the hinged dozer lifting hydraulic cylinder of walker.
4. ultrashort tail excavator according to claim 1 and 2, is characterized in that, between described driver's cabin and driver's cabin base, pivot joint connects, and between is provided with the turning device that driver's cabin is overturn around pivoting point.
5. ultrashort tail excavator according to claim 4, it is characterized in that, described turning device is the lifting assembly of the plunger pump being arranged on away from pivoting point, the two bar oil pipe of described lifting assembly of the plunger pump by its bottom be arranged on hydraulic cylinder on driver's cabin and carry out conduit under fluid pressure and be connected, hydraulic cylinder top is by backing pin and journal stirrup and driver's cabin rear wall chain connection, cylinder lower is connected with driver's cabin base hinge with journal stirrup by backing pin, and all hydraulic flexible pipe and electric wire are all walked around from driver's cabin front lower place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310600504.2A CN103572794A (en) | 2013-11-25 | 2013-11-25 | Ultra-short tail excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310600504.2A CN103572794A (en) | 2013-11-25 | 2013-11-25 | Ultra-short tail excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103572794A true CN103572794A (en) | 2014-02-12 |
Family
ID=50045451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310600504.2A Pending CN103572794A (en) | 2013-11-25 | 2013-11-25 | Ultra-short tail excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103572794A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018529A (en) * | 2014-05-20 | 2014-09-03 | 山重建机有限公司 | Extractor counterweight device and arranging method thereof |
| CN109892093A (en) * | 2019-04-29 | 2019-06-18 | 华池县恒烽中药材苗林有限公司 | A kind of novel self-propelled long-rhizome class machine for digging Chinese medicinal material |
| CN111042259A (en) * | 2019-12-26 | 2020-04-21 | 三一重机有限公司 | Excavator and rotation system thereof |
| CN112095706A (en) * | 2020-09-24 | 2020-12-18 | 徐州徐工挖掘机械有限公司 | Crawler excavator |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090230710A1 (en) * | 2008-03-14 | 2009-09-17 | Clark Equipment Company | Rear accessible service hatch |
| CN201344034Y (en) * | 2008-11-10 | 2009-11-11 | 许世东 | Multifunctional underground bottom cleaning machine |
| US20100301635A1 (en) * | 2005-01-31 | 2010-12-02 | Takenobu Andou | Working Vehicle with Tilt Floor |
| CN201865141U (en) * | 2010-11-25 | 2011-06-15 | 中外合资沃得重工（中国）有限公司 | Turnover type cab of hydraulic excavator |
| CN202296917U (en) * | 2011-11-07 | 2012-07-04 | 山西森尔科技有限公司 | Double balance weight device based on engineering vehicle |
| CN103255797A (en) * | 2013-05-13 | 2013-08-21 | 柳州柳工挖掘机有限公司 | Small excavator |
| CN203174651U (en) * | 2013-04-03 | 2013-09-04 | 山东冠县鲁牛工程机械有限公司 | Multi-arm short-tail excavator |
| CN203569612U (en) * | 2013-11-25 | 2014-04-30 | 山东冠县鲁牛工程机械有限公司 | Ultrashort-tail excavator |
-
2013
- 2013-11-25 CN CN201310600504.2A patent/CN103572794A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100301635A1 (en) * | 2005-01-31 | 2010-12-02 | Takenobu Andou | Working Vehicle with Tilt Floor |
| US20090230710A1 (en) * | 2008-03-14 | 2009-09-17 | Clark Equipment Company | Rear accessible service hatch |
| CN201344034Y (en) * | 2008-11-10 | 2009-11-11 | 许世东 | Multifunctional underground bottom cleaning machine |
| CN201865141U (en) * | 2010-11-25 | 2011-06-15 | 中外合资沃得重工（中国）有限公司 | Turnover type cab of hydraulic excavator |
| CN202296917U (en) * | 2011-11-07 | 2012-07-04 | 山西森尔科技有限公司 | Double balance weight device based on engineering vehicle |
| CN203174651U (en) * | 2013-04-03 | 2013-09-04 | 山东冠县鲁牛工程机械有限公司 | Multi-arm short-tail excavator |
| CN103255797A (en) * | 2013-05-13 | 2013-08-21 | 柳州柳工挖掘机有限公司 | Small excavator |
| CN203569612U (en) * | 2013-11-25 | 2014-04-30 | 山东冠县鲁牛工程机械有限公司 | Ultrashort-tail excavator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018529A (en) * | 2014-05-20 | 2014-09-03 | 山重建机有限公司 | Extractor counterweight device and arranging method thereof |
| CN109892093A (en) * | 2019-04-29 | 2019-06-18 | 华池县恒烽中药材苗林有限公司 | A kind of novel self-propelled long-rhizome class machine for digging Chinese medicinal material |
| CN111042259A (en) * | 2019-12-26 | 2020-04-21 | 三一重机有限公司 | Excavator and rotation system thereof |
| CN112095706A (en) * | 2020-09-24 | 2020-12-18 | 徐州徐工挖掘机械有限公司 | Crawler excavator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2006246533B2 (en) | Industrial vehicle having working implement | |
| CN103572794A (en) | Ultra-short tail excavator | |
| JP2006307498A (en) | Work vehicle and skid steering loader | |
| CN108713081A (en) | Wheel loader forward unit and wheel loader | |
| JP2004132173A (en) | Articulated type frame service car | |
| CN203569612U (en) | Ultrashort-tail excavator | |
| CN212656823U (en) | Small-sized wool prying vehicle | |
| CN208054818U (en) | A kind of automobile engine assembly vehicle | |
| CN215562880U (en) | Wheel loader | |
| CN206255069U (en) | Vapour drags all-in-one to stretch frame | |
| CN201520989U (en) | Single-arm slide moving steering loading machine | |
| CN207452988U (en) | Dynamic power machine | |
| CN107559003A (en) | Underground coal mine groover | |
| CN101648676A (en) | Lifting tilt-raise device of cab | |
| CN210917514U (en) | Multifunctional rescue vehicle | |
| JP2006205922A (en) | Vehicle mounting type working machine | |
| CN203846539U (en) | Loader-digger for digging vertical shaft of coal mine | |
| CN111605467A (en) | Take salvage car of excavation function | |
| JPS6136438Y2 (en) | ||
| CN101831926A (en) | Single arm type slippage steering loader | |
| CN216734271U (en) | Multifunctional mine track roadway operation vehicle | |
| JP2012233332A (en) | Attachment mounting device of working vehicle | |
| JPH11222071A (en) | Multifunctional work machine | |
| CN104088318B (en) | A kind of walking type excavator revolving dial of box-structure | |
| JPH0761797A (en) | Concrete secondary manufacture installing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140212 |