CN206086879U - Load 300 tonner mining dump truck frame - Google Patents
Load 300 tonner mining dump truck frame Download PDFInfo
- Publication number
- CN206086879U CN206086879U CN201620520539.4U CN201620520539U CN206086879U CN 206086879 U CN206086879 U CN 206086879U CN 201620520539 U CN201620520539 U CN 201620520539U CN 206086879 U CN206086879 U CN 206086879U
- Authority
- CN
- China
- Prior art keywords
- load
- bearing
- vehicle frame
- carriage
- frame
- 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.)
- Active
Links
Landscapes
- Body Structure For Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The utility model discloses a load 300 tonner mining dump truck frame, including bumper assembly, front beam, right frontly hang the support, go up gantry girder, tail base component, middle part lift the subassembly, left front support, gantry girder and the two sets of longeron down of hanging about, two sets of longerons with whole car midplane parallel and symmetrical arrangement, narrow behind the preceding width, whole frame is the main load bearing structure of frame from the front beam backward, and two sets of longerons adopt high -strength steel and steel -casting welded variable cross section box structure, and longeron cross -section front and back on the direction of height of two sets of longerons is narrow, and the middle part is wide, and it is the biggest that the frame middle part lifts subassembly department cross -section. The utility model discloses adopt the steel -casting on a large scale, can bear great bending load, torsion load and impact load, reduce atress concentration region's stress concentration, avoid arranging the welding seam in heavily stressed region, promoted frame fatigue resistance ability.
Description
Technical field
The utility model is related to a kind of carriage of mining self-unloading vehicle, specifically a kind of 300 tonnes of carriage of mining self-unloading vehicle of load-carrying,
Belong to field of mining equipment.
Background technology
Quarry tipper is for ore or the professional car of earthwork transportation in surface mine exploitation and extensive earthworks
, with load-carrying is big, high working efficiency the features such as.At present quarry tipper develops towards the direction of maximization, hugeization, its load
Weight alreadys exceed 300t, and complete vehicle weight is more than 600t.The vehicle frame of quarry tipper belongs to super-large structural member, is that car load holds
The matrix for carrying, supporting and install, is the most important structure member of quarry tipper, by with the whole life cycle of dumper.
In vehicle operation, vehicle frame bears the effect of gravity, shock loading, torsional load, bending load and alternate load simultaneously, because
This requires that vehicle frame has good intensity and reliability.Meanwhile, carriage of mining self-unloading vehicle is ultra-large type metal weldedstructure, by height
Strength steel sheet and large-scale steel-casting are welded, and the fatigue cracking of the high stress area weld seam of vehicle frame is the main shape of vehicle frame failure
Formula, therefore to consider weld seam arrangement and version during Vehicle Frame Design emphatically, improve vehicle frame anti-fatigue performance.
Existing carriage of mining self-unloading vehicle typically adopts welding structure, by two box-type section longerons, three to five crossbeams
And cast gantry beam composition.Vehicle frame is mainly welded using steel plate, steel-casting is used only in subrange, it is difficult to meet
Strength and stiffness needed for the super large loading capacity dumper frame that more than 300 tons of load-carrying.And, existing dumper frame structure exists
Fatigue crack is easily produced at high stress area and solder design, causes vehicle frame premature failure.
The content of the invention
For the problem that above-mentioned prior art is present, the utility model provides a kind of 300 tonnes of quarry tipper cars of load-carrying
Frame, can bear larger bending load, torsional load and shock loading, meet the super large loading capacity of more than 300 tons of load-carrying from
Unload the strength and stiffness needed for vehicle carriage；The stress concentration of stress concentrated area can be reduced simultaneously, it is to avoid in high stress areas cloth
Weld seam is put, vehicle frame anti-fatigue performance is lifted.
To achieve these goals, a kind of 300 tonnes of carriage of mining self-unloading vehicle of load-carrying that the utility model is adopted, vehicle frame is whole
Body is six horizontal two vertical versions, including bumper module, front beam, upper gantry beam, lower gantry beam, middle part lift assemblies,
Tailstock component, left front suspended bearer, two groups of longerons of right forward mounting bearing and left and right, two groups of left and right longeron is put down with whole vehicle center plane
Go and be arranged symmetrically, it is front wide and rear narrow；Left longeron includes left front girder and left rear longitudinal beam, and right vertical beam includes being indulged behind front right longitudinal beam and the right side
Beam；Bumper module is arranged on the leading section of left and right front longitudinal；Front cross beam welding between left and right front longitudinal, positioned at bumper
The rear of component；Upper gantry beam, lower gantry beam are arranged symmetrically in the upper and lower of left and right front longitudinal, and respectively with left and right front longitudinal
Upper and lower surface welding；Middle part lift assemblies be welded on the rearward end of left and right front longitudinal and left and right floor side member leading section it
Between；Tailstock component is welded on the rearward end of right floor side member, left rear longitudinal beam；Left front suspended bearer, right forward mounting bearing can symmetrically pacify
It is mounted in the left and right both ends of the surface of gantry beam；Whole vehicle frame is backward the primary load bearing structure of vehicle frame from front beam, two groups of longerons
The variable cross-section box type structure welded using high-strength steel and steel-casting, the longeron section of two groups of longerons is narrow in front and back in the height direction,
Middle part is wide, and section is maximum at the lift assemblies of vehicle frame middle part.
Preferably, the middle part lift assemblies are mainly installed by left load lifting cylinder bearing, middle part torsion resistant tube, back axle thrust frame
Seat, compression tube and right load lifting cylinder bearing composition, constitutes the welding structure of two pipe connection left and right, two steel-castings, and back axle is pushed away
Power frame mounting seat is welded in the torsion resistant tube of middle part, and middle part torsion resistant tube and compression tube are propped up respectively with left load lifting cylinder bearing and right load lifting cylinder
The end face of the cylinder up and down welding of seat.
Preferably, the installing hole of elevating ram, lifting oil are machined with the left load lifting cylinder bearing and right load lifting cylinder bearing
Cylinder is arranged on corresponding bearing by bearing pin.
Preferably, the tailstock component is mainly by two large-scale steel-castings of right rear-mounted upper bracket and left back suspension upper bracket
It is welded, and integral solder is in two groups of longeron rearward ends of vehicle frame.
Preferably, the upper surface of the bumper module is parallel to the ground.
Preferably, the left and right front longitudinal and the upper and lower cover plates of upper and lower gantry beam junction are horizontal plane.
Preferably, described upper gantry beam or so both ends of the surface are vertical plane.
Preferably, the left front suspended bearer, right forward mounting bearing are welded after vehicle frame reaches mine, using alignment pin and
Bolt fastening is positioned and is controlled welding deformation.
Compared with prior art, the horizontal two vertical version of the utility model vehicle frame generally six, vehicle frame is past from front beam
It is afterwards the primary load bearing structure of vehicle frame, the anterior bumper of vehicle frame is supported mainly as the installation of other parts and touched for car load
Protection is hit, this structure makes the main bearing part of vehicle frame become an entirety, it is to avoid main body of vehicle frame quilt in vehicle collisions
Damage.And two side girders are parallel with car load gravity plane and are arranged symmetrically the width that can reduce Vehicular body front, and production technology
Simply.Two groups of longerons are arranged symmetrically at an angle, front wide and rear narrow, and front space is conducive to greatly dumper front portion dynamical system
Arrangement and maintenance, rear size I is easy to the arrangement of tire, to meet the requirement of rear tread.And longeron section is in short transverse
Narrow, middle part width before and after upper, section is maximum at the lift assemblies of vehicle frame middle part, meets the distribution of force situation of car load after loading, i.e., whole
The center of gravity of car falls in medium position.Meanwhile, vehicle frame adopts large-scale steel-casting in main stress area, can well absorb dumper
The impulsive force of suspension and loading space to vehicle frame during handling, traveling, it is ensured that vehicle frame uniform force, extends the service life of vehicle frame.
Vehicle frame uses on a large scale steel-casting, can reduce a large amount of weld seams, it is to avoid arranges attachment weld in main stress area, reduces weld seam
The probability of fatigue cracking；Meanwhile, the welding seam design of steel-casting and steel plate weld is all using the easement curve of optimization, it is ensured that welding
The transition of stress of mother metal is gentle, improves weld seam anti-fatigue performance.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of the utility model left front girder；
Fig. 3 is the structural representation of the utility model middle part lift assemblies；
Fig. 4 is the structural representation of the utility model gantry beam.
In figure：1st, bumper module, 2, front beam, 3, front right longitudinal beam, 4, right forward mounting bearing, 5, upper gantry beam, 6, right
Floor side member, 7, tailstock component, 7-1, right rear-mounted upper bracket, 7-2, left back suspension upper bracket, 8, left rear longitudinal beam, 9, middle part lifting
Component, 9-1, left load lifting cylinder bearing, 9-2, middle part torsion resistant tube, 9-3, back axle thrust frame mounting seat, 9-4, compression tube, 9-5, right act
Rise cylinder bearing, 10, left front suspended bearer, 11, left front girder, 12, lower gantry beam.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model is described in further detail.
As shown in Figures 1 to 4,300 tonnes of carriage of mining self-unloading vehicle of a kind of load-carrying, the horizontal two vertical structure of vehicle frame generally six
Form, including bumper module 1, front beam 2, upper gantry beam 5, lower gantry beam 12, middle part lift assemblies 9, tailstock component 7, a left side
Forward mounting bearing 10, two groups of longerons of right forward mounting bearing 4 and left and right, two groups of left and right longeron is parallel with whole vehicle center plane and symmetrical
Arrangement, it is front wide and rear narrow；Left longeron includes left front girder 11 and left rear longitudinal beam 8, and right vertical beam includes front right longitudinal beam 3 and right floor side member 6；
Bumper module 1 is arranged on the leading section of left and right front longitudinal 11,3；Front beam 2 is welded between left and right front longitudinal 11,3, position
In the rear of bumper module 1；Upper gantry beam 5, lower gantry beam 12 are arranged symmetrically in the upper and lower of left and right front longitudinal 11,3, and
Weld with the upper and lower surface of left and right front longitudinal 11,3 respectively；Middle part lift assemblies 9 are welded on the rear end of left and right front longitudinal 11,3
Between the leading section of portion and left and right floor side member 8,6；Tailstock component 7 is welded on right floor side member 6, the rearward end of left rear longitudinal beam 8；It is left
Forward mounting bearing 10, right forward mounting bearing 4 can be symmetrically mounted in the left and right both ends of the surface of gantry beam 5；Whole vehicle frame is in the past horizontal
Beam 2 is backward the primary load bearing structure of vehicle frame, the variable cross-section box type structure that two groups of longerons are welded using high-strength steel and steel-casting, two
The longeron section of group longeron in the height direction before and after narrow, middle part width, section is maximum at the lift assemblies of vehicle frame middle part.
When using, vehicle frame is mainly made from the primary load bearing structure that front beam 2 is backward vehicle frame, the anterior bumper 1 of vehicle frame
For other parts installation support and for complete automobile collision protection, this structure make the main bearing part of vehicle frame become one it is whole
Body, it is to avoid main body of vehicle frame is damaged in vehicle collisions.And two side girders are parallel with car load gravity plane and are arranged symmetrically
The width of Vehicular body front, and simple production process can be reduced.Two groups of longerons are arranged symmetrically at an angle, front wide and rear narrow, front
Portion space is conducive to greatly the arrangement of dumper front portion dynamical system and maintenance, and rear size I is easy to the arrangement of tire, with full
The requirement of sufficient rear tread.And longeron section in the height direction before and after narrow, middle part width, vehicle frame middle part lift assemblies 9 at section most
Greatly, the distribution of force situation of car load after loading is met, i.e. the center of gravity of car load falls in medium position.Meanwhile, vehicle frame is in main stress
Region adopts large-scale steel-casting, the part in such as right forward mounting bearing 4, left front suspended bearer 10, middle part lift assemblies 9 to use
Large-scale steel-casting can well absorb the impulsive force of suspension and loading space to vehicle frame during dumper handling, traveling, it is ensured that car
Frame uniform force, extends the service life of vehicle frame.Vehicle frame uses on a large scale steel-casting, can reduce a large amount of weld seams, it is to avoid main
Stress area arranges attachment weld, reduces the probability of weld fatigue cracking；Meanwhile, steel-casting sets with the weld seam of steel plate weld
Meter is all using the easement curve of optimization, it is ensured that the transition of stress of welding base metal is gentle, improves weld seam anti-fatigue performance.
Preferably, the middle part lift assemblies 9 are main by left load lifting cylinder bearing 9-1, middle part torsion resistant tube 9-2, back axle thrust
Frame mounting seat 9-3, compression tube 9-4 and right load lifting cylinder bearing 9-5 composition, constitutes two pipe connections or so, two steel-castings
Welding structure, back axle thrust frame mounting seat 9-3 is welded in torsion resistant tube 9-2 of middle part, and middle part torsion resistant tube 9-2 and compression tube 9-4 are divided
Do not weld with the end face of cylinder up and down of left load lifting cylinder bearing 9-1 and right load lifting cylinder bearing 9-5.The part is than traditional little tonnage self-unloading
Many compression tubes 9-4 of the structure of car, can reduce the bending stress that longeron is subject to when goods is lifted.
Preferably, the installing hole of elevating ram is machined with the left load lifting cylinder bearing 9-1 and right load lifting cylinder bearing 9-5,
Elevating ram is arranged on corresponding bearing by bearing pin, and this structure compares traditional spindle nose installation form, and stressing conditions are more
It is good, and be easily installed.
Preferably, the tailstock component 7 is main big by right rear-mounted upper bracket 7-1 and left back suspension upper bracket 7-2 two
Type steel-casting is welded, and integral solder is in two groups of longeron rearward ends of vehicle frame.Compare the whole steel sheet that prior art is adopted
Welding structure and more than two foundry goods and the welding structure of tubing, can reduce the weld seam of key area.Due at this for it is mining from
The most harsh position of vehicle carriage stress is unloaded, the form of two large-scale steel-castings welding that the utility model is taken can be significantly improved
Structural strength and fatigue life at this.
Preferably, the upper surface of the bumper module 1 is parallel to the ground, the arrangement and peace of vehicle other parts of being more convenient for
Dress.
Preferably, the left and right front longitudinal 11,3 and the upper and lower cover plates of upper and lower gantry beam 5,12 junctions are horizontal plane,
Upper gantry beam 5 and lower gantry beam 12 are respectively welded at the upper and lower surface of left front girder 11 and front right longitudinal beam 3.Gantry can so be simplified
The structure of beam, makes gantry beam be plane with longitudinal beam welding face, is easy to the production of upper gantry beam 5 and lower gantry beam 12, and is easy to
Vehicle frame entirety welding.
Preferably, the both ends of the surface of the upper gantry beam 5 or so are vertical plane, for connecting forward mounting bearing.In order to ensure car
The transportation clearance of frame, the width of gantry beam 5 in control, the transportation clearance for meeting national regulation is required.Wherein, the left front suspension
Bearing 10, right forward mounting bearing 4 can be welded after vehicle frame reaches mine, positioned and controlled using alignment pin and bolt fastening
Welding deformation.The gantry beam both ends of the surface of prior art often beveling, difficulty of processing is big；Or directly by suspended bearer with it is upper
Gantry beam is designed to overall structure, causes fame dimensions ultra-wide, transports extremely inconvenient.Therefore this structure is easier to process, and it is easy to
Transport.
From said structure, the horizontal two vertical version of vehicle frame generally six, front suspension installation place in the utility model
Crossbeam cast gantry beam is constituted by upper gantry beam 5, lower gantry beam 12 and longeron, be successively from Chinese herbaceous peony toward the crossbeam of car rear direction
Bumper module 1, front beam 2, gantry beam, two crossbeams of middle part torsion resistant tube 9-2 of middle part lift assemblies 9 and compression tube 9-4, most
Latter crossbeam is the crossbeam of the composition of tailstock component 7.Longitudinal beam is not a unjointed beam, is disconnected at middle part lift assemblies 9.
Left load lifting cylinder bearing 9-1 and right load lifting cylinder bearing 9-5 is two large-scale steel-castings, and the steel-casting divides two longerons of vehicle frame or so
It is split into as former and later two parts, left longeron is divided into left front girder 11 and left rear longitudinal beam 8, right vertical beam is divided into behind front right longitudinal beam 3 and the right side
Longeron 6.Left load lifting cylinder bearing 9-1 and right load lifting cylinder bearing 9-5 respectively with two sections of longitudinal beam weldings in front and back.Finally, can bear compared with
Big bending load, torsional load and shock loading, needed for meeting the super large loading capacity dumper frame of more than 300 tons of load-carrying
Strength and stiffness；Reduce the stress concentration of stress concentrated area, it is to avoid arrange weld seam in high stress areas, improve car
Frame anti-fatigue performance.
Claims (8)
1. a kind of 300 tonnes of carriage of mining self-unloading vehicle of load-carrying, it is characterised in that the horizontal two vertical version of vehicle frame generally six,
Including bumper module (1), front beam (2), upper gantry beam (5), lower gantry beam (12), middle part lift assemblies (9), tailstock component
(7), left front suspended bearer (10), two groups of longerons of right forward mounting bearing (4) and left and right, two groups of left and right longeron and whole vehicle center plane
It is parallel and be arranged symmetrically, it is front wide and rear narrow；Left longeron includes left front girder (11) and left rear longitudinal beam (8), and right vertical beam includes right front vertical
Beam (3) and right floor side member (6)；Leading section of the bumper module (1) installed in left and right front longitudinal (11,3)；Front beam (2) is welded
Between left and right front longitudinal (11,3), positioned at the rear of bumper module (1)；Upper gantry beam (5), lower gantry beam (12) are symmetrical
It is arranged in the upper and lower of left and right front longitudinal (11,3), and welds with the upper and lower surface of left and right front longitudinal (11,3) respectively；Middle part
Lift assemblies (9) are welded between the rearward end of left and right front longitudinal (11,3) and the leading section of left and right floor side member (8,6)；Tailstock
Component (7) is welded on right floor side member (6), the rearward end of left rear longitudinal beam (8)；Left front suspended bearer (10), right forward mounting bearing (4)
Can be symmetrically mounted in the left and right both ends of the surface of gantry beam (5)；Whole vehicle frame is backward the main carrying of vehicle frame from front beam (2)
Structure, the variable cross-section box type structure that two groups of longerons are welded using high-strength steel and steel-casting, the longeron section of two groups of longerons is in height
Narrow, middle part width before and after on direction, section is maximum at the lift assemblies of vehicle frame middle part.
2. 300 tonnes of carriage of mining self-unloading vehicle of a kind of load-carrying according to claim 1, it is characterised in that lift at the middle part
Rise component (9) main by left load lifting cylinder bearing (9-1), middle part torsion resistant tube (9-2), back axle thrust frame mounting seat (9-3), compression tube
(9-4) and right load lifting cylinder bearing (9-5) composition, the welding structure of two pipes connection left and right, two steel-castings, back axle are constituted
Thrust frame mounting seat (9-3) is welded on middle part torsion resistant tube (9-2), middle part torsion resistant tube (9-2) and compression tube (9-4) respectively with a left side
The end face of the cylinder up and down welding of load lifting cylinder bearing (9-1) and right load lifting cylinder bearing (9-5).
3. a kind of 300 tonnes of carriage of mining self-unloading vehicle of load-carrying according to claim 2, it is characterised in that the left lifting
The installing hole of elevating ram is machined with cylinder bearing (9-1) and right load lifting cylinder bearing (9-5), elevating ram is arranged on by bearing pin
On corresponding bearing.
4. a kind of 300 tonnes of carriage of mining self-unloading vehicle of load-carrying according to claim 1, it is characterised in that the tailstock group
Part (7) is main to be welded by right rear-mounted upper bracket (7-1) with left back suspension upper bracket (7-2) two large-scale steel-castings, and
Two group longeron rearward ends of the integral solder in vehicle frame.
5. a kind of 300 tonnes of carriage of mining self-unloading vehicle of load-carrying according to claim 1, it is characterised in that the bumper
The upper surface of component (1) is parallel to the ground.
6. 300 tonnes of carriage of mining self-unloading vehicle of a kind of load-carrying according to claim 1, it is characterised in that it is described it is left and right before
Longeron (11,3) is horizontal plane with the upper and lower cover plates of upper and lower gantry beam (5,12) junction.
7. a kind of 300 tonnes of carriage of mining self-unloading vehicle of load-carrying according to claim 1, it is characterised in that described upper gantry
Beam (5) left and right both ends of the surface are vertical plane.
8. 300 tonnes of carriage of mining self-unloading vehicle of a kind of load-carrying according to claim 1, it is characterised in that described left front outstanding
Hang bearing (10), right forward mounting bearing (4) after vehicle frame reach mine after weld, using alignment pin and bolt fastening carry out positioning and
Control welding deformation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620520539.4U CN206086879U (en) | 2016-05-31 | 2016-05-31 | Load 300 tonner mining dump truck frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620520539.4U CN206086879U (en) | 2016-05-31 | 2016-05-31 | Load 300 tonner mining dump truck frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206086879U true CN206086879U (en) | 2017-04-12 |
Family
ID=58471200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620520539.4U Active CN206086879U (en) | 2016-05-31 | 2016-05-31 | Load 300 tonner mining dump truck frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206086879U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106005010A (en) * | 2016-05-31 | 2016-10-12 | 徐州徐工矿山机械有限公司 | Mining dump truck frame with load level of 300 tons |
| CN109210363A (en) * | 2018-09-28 | 2019-01-15 | 中联重科股份有限公司 | Bearing structure, mechanical part and construction equipment |
| CN109927780A (en) * | 2017-12-19 | 2019-06-25 | 中车北京二七机车有限公司 | Carriage of mining self-unloading vehicle stringer |
| CN112249161A (en) * | 2020-11-17 | 2021-01-22 | 内蒙古北方重型汽车股份有限公司 | Cast steel reinforced frame of mining dump truck and use method thereof |
| CN115158461A (en) * | 2022-07-28 | 2022-10-11 | 中冶京诚（湘潭）矿山装备有限公司 | Mining dump truck frame and mining dump truck |
-
2016
- 2016-05-31 CN CN201620520539.4U patent/CN206086879U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106005010A (en) * | 2016-05-31 | 2016-10-12 | 徐州徐工矿山机械有限公司 | Mining dump truck frame with load level of 300 tons |
| CN109927780A (en) * | 2017-12-19 | 2019-06-25 | 中车北京二七机车有限公司 | Carriage of mining self-unloading vehicle stringer |
| CN109210363A (en) * | 2018-09-28 | 2019-01-15 | 中联重科股份有限公司 | Bearing structure, mechanical part and construction equipment |
| CN112249161A (en) * | 2020-11-17 | 2021-01-22 | 内蒙古北方重型汽车股份有限公司 | Cast steel reinforced frame of mining dump truck and use method thereof |
| CN112249161B (en) * | 2020-11-17 | 2024-03-29 | 内蒙古北方重型汽车股份有限公司 | Cast steel reinforced frame of mining dump truck and using method thereof |
| CN115158461A (en) * | 2022-07-28 | 2022-10-11 | 中冶京诚（湘潭）矿山装备有限公司 | Mining dump truck frame and mining dump truck |
| CN115158461B (en) * | 2022-07-28 | 2023-06-23 | 中冶京诚（湘潭）矿山装备有限公司 | Mining dump truck frame and mining dump truck |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206086879U (en) | Load 300 tonner mining dump truck frame | |
| CN203580735U (en) | Reinforced U-shaped carriage wide-body mining dump vehicle | |
| CN101913547B (en) | Towing vehicle for transporting supports | |
| CN202879295U (en) | Lightweight self-discharging and semi-trailer car body | |
| CN202481142U (en) | Frame of heavy type mining dumper | |
| CN109353259B (en) | Carriage for large-tonnage electric wheel dumper | |
| CN103661066B (en) | Container and quarry tipper | |
| CN102815247B (en) | A kind of quarry tipper | |
| CN204846056U (en) | Main-auxiliary integrated frame | |
| CN106005010A (en) | Mining dump truck frame with load level of 300 tons | |
| CN207510505U (en) | A kind of full aluminium chassis frame | |
| CN213008463U (en) | Special chassis after-loading process trolley for full-load passenger car | |
| CN201745464U (en) | Light mining self-dumping truck frame | |
| CN203864803U (en) | Double-rear-axle type heavy truck frame | |
| CN212423275U (en) | Plug-in type rear frame of heavy-load support carrier | |
| CN212149010U (en) | Mining dump truck and chassis frame thereof | |
| CN101190692A (en) | Self-discharging semitrailer vehicle frame | |
| CN209037667U (en) | Vehicle frame and wide dumper | |
| CN203739717U (en) | Container and mining dump truck | |
| CN203651559U (en) | Self loading and unloading type aluminum water drum transport car | |
| CN203580733U (en) | Reinforced back-tipping self-unloading carriage of semitrailer | |
| CN205686470U (en) | A kind of carriage of mining self-unloading vehicle assembly | |
| CN201446954U (en) | Frame structure of mining dump truck | |
| CN208842364U (en) | A kind of adjustable rear | |
| CN105460078A (en) | Frame rear tail base of electric transmission mining dump vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |