CN115123387A - Auxiliary torsion-resistant pipe penetration device, frame and mining dump truck - Google Patents
Auxiliary torsion-resistant pipe penetration device, frame and mining dump truck Download PDFInfo
- Publication number
- CN115123387A CN115123387A CN202210732769.7A CN202210732769A CN115123387A CN 115123387 A CN115123387 A CN 115123387A CN 202210732769 A CN202210732769 A CN 202210732769A CN 115123387 A CN115123387 A CN 115123387A
- Authority
- CN
- China
- Prior art keywords
- torsion
- longitudinal beam
- auxiliary
- tube
- resistant pipe
- 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.)
- Granted
Links
- 230000035515 penetration Effects 0.000 title claims abstract description 31
- 238000005065 mining Methods 0.000 title claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims abstract description 21
- 238000003466 welding Methods 0.000 claims abstract description 15
- 238000005452 bending Methods 0.000 description 5
- 230000009194 climbing Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses an auxiliary torsion-resistant pipe penetrating device, a frame and a mining dump truck, wherein the auxiliary torsion-resistant pipe penetrating device comprises an annular part and a limiting part; an inner diameter of the annular member is not less than an outer diameter of the torsion tube such that the torsion tube can pass through the annular member; the limiting component is connected with the annular component and used for installing the annular component on a plate type component through which the torsion resistant pipe penetrates in advance, and the torsion resistant pipe can float up and down, left and right in a supporting frame formed by the limiting component and used for realizing full penetration welding seams of the torsion resistant pipe and the plate type component.
Description
Technical Field
The invention relates to an auxiliary torsion-resistant pipe penetrating device, and belongs to the field of mining machinery.
Background
At present, most of the transportation equipment in the mining area is a dump truck (the width is less than 2.5 meters), an off-road wide-body dump truck and a rigid mine car. The cost of the dumper and the off-road wide-body dumper is low (25-90 ten thousand), so that the dumper occupies a very large proportion in medium and small mining areas; the traditional mine car can be seen in a large-scale mining area due to high price (in the tens of millions), and the market occupation is small.
The off-highway wide-body dump truck adopts the traditional plate spring technology, so that the maximum load is 60 tons at present, and the development towards larger tonnage is limited; the continuous climbing capability is insufficient, the continuous climbing device is generally difficult to use when the pit depth is 50-80 meters, and cannot be used below 80 meters; the service life is short, the average service life is 2-3 years, and the requirements of mines cannot be met. However, the rigid mine car is high in purchasing cost, so that the rigid mine car cannot be accepted by mine contractors. Therefore, the light mining dump truck with the wide-body truck low cost and the rigid mine car technology can be transported.
The frame is a main body bearing structural member of the mining dump truck and bears bending, torsion, impact and multiple repeated variable loads under the limit working condition. According to the design concept of the large-tonnage mining dump truck, the torsion tube is adopted as the arrangement form of the frame cross beam structure, so that the frame has good rigidity and flexibility. When the actual splicing point of the welding frame, the situation of difficult penetration of the torsion-resistant pipe exists, and the technical problem is also faced for ensuring the full penetration of the welding line at the joint of the torsion-resistant pipe and the longitudinal beam.
Disclosure of Invention
The technical scheme provided by the invention is to provide an auxiliary torsion-resistant tube penetrating device for a mining dump truck, which is used for solving the problems that the batch splicing efficiency of torsion-resistant tubes is low and the full penetration welding seam is ensured.
The invention is realized according to the following technical scheme:
the invention discloses an auxiliary torsion-resistant pipe penetration device in a first aspect, which comprises an annular part and a limiting part; an inner diameter of the annular member is not smaller than an outer diameter of the torsion tube so that the torsion tube can pass through the annular member; the limiting component is connected with the annular component and used for installing the annular component on a plate type component through which the torsion resistant pipe penetrates in advance, and the torsion resistant pipe can float up and down, left and right in a supporting frame formed by the limiting component and used for realizing full penetration welding of the torsion resistant pipe and the plate type component.
In some embodiments, the spacing member is comprised of a plurality of L-shaped bent plates; a plurality of L-shaped bent plates are welded to the plate member, and the annular member is placed in the plurality of L-shaped bent plates.
In some embodiments, the number of the plurality of L-shaped bending plates is four, two of the four L-shaped bending plates are arranged vertically to each other, two L-shaped bending plates in the horizontal direction are symmetrically arranged and collinear, and two L-shaped bending plates in the vertical direction are symmetrically arranged and collinear.
In some embodiments, the annular part is capable of 5mm movement in the vertical direction within the support frame formed by the stop part and 5mm movement in the horizontal direction within the support frame formed by the stop part.
The invention discloses a frame in a second aspect, which comprises a left longitudinal beam, a right longitudinal beam, a torsion-resistant pipe and the auxiliary torsion-resistant pipe penetration device; the left longitudinal beam and the right longitudinal beam are both box-shaped structures and consist of an outer web plate, an inner web plate, an upper cover plate and a lower cover plate; the torsion resistant pipe penetrates through the left longitudinal beam and the right longitudinal beam; and the auxiliary torsion-resistant pipe penetrating devices are respectively arranged inside the cavities of the left longitudinal beam and the right longitudinal beam.
In some embodiments, an auxiliary torsion-resistant tube penetrating device is arranged on each of the inner walls of the outer webs and the inner webs of the left longitudinal beam and the right longitudinal beam, and the torsion-resistant tube sequentially penetrates through the outer web hole of the left longitudinal beam, the two auxiliary torsion-resistant tube penetrating devices, the inner web hole of the left longitudinal beam, the inner web hole of the right longitudinal beam, the two auxiliary torsion-resistant tube penetrating devices, and the outer web hole of the right longitudinal beam.
In some embodiments, two auxiliary torque tube penetrations in the left stringer are symmetrically arranged about a left stringer transverse centerline; two auxiliary torsion-resistant pipe penetrating devices in the right longitudinal beam are symmetrically arranged on the transverse center line of the right longitudinal beam.
In some embodiments, the two auxiliary torsion tube through-devices in the left side rail and the two auxiliary torsion tube through-devices in the right side rail of the same torsion tube are symmetrically arranged about the lateral centerline of the frame.
In some embodiments, a plurality of torsion resistant pipes penetrate through the left longitudinal beam and the right longitudinal beam, and each torsion resistant pipe is provided with an auxiliary torsion resistant pipe penetrating device.
The invention discloses a mining dump truck in a third aspect, which is provided with the truck frame.
The invention has the beneficial effects that:
the invention has the function of assisting the longitudinal beam of the mining dumper frame to penetrate through the torsion-resistant pipe, so that the full penetration of a welding seam is ensured, and the efficiency of the torsion-resistant pipe penetrating through the longitudinal beam is effectively improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
FIG. 1 is a schematic view of an auxiliary torsion resistant tube penetration apparatus of the present invention;
FIG. 2 is a first schematic diagram of an auxiliary anti-torque tube penetration apparatus according to the present invention;
FIG. 3 is a second schematic diagram of an auxiliary anti-torque tube penetration apparatus according to the present invention;
fig. 4 is a third schematic view of an application of the auxiliary torsion-resistant tube penetration device of the present invention.
The attached drawings are as follows: 1. a left stringer; 2. a torsion resistant tube; 3. a right longitudinal beam; 1-1, L-shaped bent plate; 1-2, a gasket; 1-3, an inner web; 1-4 parts of outer web plate, 1-5 parts of upper cover plate, 1-6 parts of lower cover plate.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
As shown in fig. 1, an auxiliary torsion-resistant tube penetration apparatus includes an annular member and a stopper member; the inner diameter of the ring member is not smaller than the outer diameter of the torsion-resistant tube 2 so that the torsion-resistant tube 2 can pass through the ring member; the limiting component is connected with the annular component and used for installing the annular component on a plate type component through which the torsion resistant pipe 2 penetrates in advance, and the torsion resistant pipe 2 can float up and down, left and right in a supporting frame formed by the limiting component and used for realizing full penetration welding of the torsion resistant pipe 2 and the plate type component.
Continuing to refer to FIG. 1, the annular member is a washer 1-2. The limiting component is composed of a plurality of L-shaped bent plates 1-1; a plurality of L-shaped bent plates 1-1 are welded to the plate member, and a gasket 1-2 is placed in the plurality of L-shaped bent plates 1-1.
Further scheme: the number of the L-shaped bent plates 1-1 is four, every two of the four L-shaped bent plates 1-1 are arranged vertically, two L-shaped bent plates 1-1 in the horizontal direction are symmetrically arranged and are collinear, and two L-shaped bent plates 1-1 in the vertical direction are symmetrically arranged and are collinear.
Further scheme: the gasket 1-2 can move 5mm in the vertical direction within the frame formed by the four L-shaped bent plates 1-1, and the gasket 1-2 can move 5mm in the horizontal direction within the frame formed by the four L-shaped bent plates 1-1.
As shown in fig. 2, 3 and 4, the frame comprises a left longitudinal beam 1, a right longitudinal beam 3, a torsion tube 2 and the auxiliary torsion tube penetration device; the left longitudinal beam 1 and the right longitudinal beam 3 are both box-shaped structures and consist of outer webs 1-4, inner webs 1-3, upper cover plates 1-5 and lower cover plates 1-6; the torsion resistant pipe 2 penetrates through the left longitudinal beam 1 and the right longitudinal beam 3; the auxiliary torsion-resistant tube penetration devices are respectively arranged inside the cavities of the left longitudinal beam 1 and the right longitudinal beam 3.
Continuing to refer to fig. 2, an auxiliary torsion-resistant tube penetrating device is respectively arranged on the inner wall of the outer web and the inner wall of the inner web of the left longitudinal beam 1 and the right longitudinal beam 3, the torsion-resistant tube 2 sequentially penetrates through the outer web hole of the left longitudinal beam 1, the two auxiliary torsion-resistant tube penetrating devices, the inner web hole of the left longitudinal beam 1, the inner web hole of the right longitudinal beam 3, the two auxiliary torsion-resistant tube penetrating devices, and the outer web hole of the right longitudinal beam 3.
As can be seen from the above, when the torsion tube 2 penetrates through the longitudinal beam, the torsion tube firstly penetrates through the gaskets 1-2 on the side surface of one end of the longitudinal beam of the frame and then sequentially penetrates through the other three gaskets 1-2; when the torsion-resistant pipe penetrates through the longitudinal beam, the gaskets 1-2 can float freely in the constraint support frame, when the torsion-resistant pipe 2 completely penetrates through the side face of the other end of the longitudinal beam of the frame, and after the torsion-resistant pipe 2 finishes penetrating, the torsion-resistant pipe 2, the gaskets 1-2 and a web plate of the longitudinal beam form a pairwise constraint state, and at the moment, the gap of the inner side of a welding line is ensured to be about 6mm, so that the basic requirement of full penetration of the welding line is met.
With continued reference to fig. 2, the two auxiliary torsion tube penetration devices in the left longitudinal beam 1 are symmetrically arranged with respect to the transverse center line of the left longitudinal beam 1; the two auxiliary torsion tube penetration devices in the right longitudinal beam 3 are symmetrically arranged with respect to the transverse center line of the right longitudinal beam 3.
Further scheme: with continued reference to fig. 2, the two auxiliary torsion tube penetration devices in the left and right side members 3, 2 of the same torsion tube are arranged symmetrically about the transverse centre line of the frame.
With continued reference to fig. 4, a plurality of torsion tubes 2 are inserted through the left longitudinal beam 1 and the right longitudinal beam 3, and each torsion tube 2 is provided with an auxiliary torsion tube insertion device.
Before penetration of the torsion tube 2 is carried out, the gasket 1-2 is allowed to float freely in the constraint support frame of the left longitudinal beam 1 (the right longitudinal beam 3) in the cavity, the gasket can slightly laterally incline relative to the vertical plane, the maximum lateral distance is 0.5mm, the gasket can slightly float in the constraint support frame when passing through the gasket 1-2 when the torsion tube 2 penetrates, the gasket penetrated by the same torsion tube allows self-adaptive adjustment of at least one gasket 1-2, and the unilateral clearance between the gasket 1-2 and the torsion tube 2 is not higher than 1 mm. When the torsion-resistant pipe 2 completely penetrates to the side face of the other end of the frame longitudinal beam, and the torsion-resistant pipe 2 finishes penetrating, the torsion-resistant pipe 2, the gaskets 1-2 and the longitudinal beam web form a pairwise constraint state, and the gap on the inner side of a welding line is ensured to be about 6mm, so that the basic requirement of full penetration of the welding line is met. The quality of the structural welding seam meets the welding requirement, the production and manufacturing process is simplified and greatly improved on the premise of meeting the quality of the welding seam, the structural reliability is improved, and the service life of the frame is prolonged.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An auxiliary torsion tube penetration apparatus, comprising:
an annular member having an inner diameter not smaller than an outer diameter of the torsion tube so that the torsion tube can pass through the annular member;
and the limiting component is connected with the annular component and used for installing the annular component on a plate type component through which the torsion resistant pipe penetrates in advance, and the torsion resistant pipe can float up and down, left and right in a supporting frame formed by the limiting component and is used for realizing full penetration welding seams of the torsion resistant pipe and the plate type component.
2. An auxiliary torsion tube penetration assembly according to claim 1, wherein:
the limiting component is composed of a plurality of L-shaped bent plates;
a plurality of L-shaped bent plates are welded to the plate member, and the annular member is placed in the plurality of L-shaped bent plates.
3. An auxiliary torsion tube penetration assembly according to claim 2, wherein:
the quantity of a plurality of L type bent plates is four, and four two liang mutually perpendicular of L type bent plates arrange, and two L type bent plates symmetrical arrangement and collineation of horizontal direction, two L type bent plates symmetrical arrangement and collineation of vertical direction.
4. An auxiliary torsion tube penetration assembly according to claim 1, wherein:
the ring member can move a distance of 5mm in the vertical direction within the support frame constituted by the stopper member, and the ring member can move a distance of 5mm in the horizontal direction within the support frame constituted by the stopper member.
5. A vehicle frame, comprising:
the left longitudinal beam and the right longitudinal beam are both box-shaped structures and consist of an outer web plate, an inner web plate, an upper cover plate and a lower cover plate;
a torsion resistant tube extending through the left and right stringers;
an auxiliary torsion tube penetration device according to any one of claims 1 to 4, disposed within the cavity of the left and right stringers respectively.
6. A frame as defined in claim 5, wherein:
the outer web inner wall and the inner web inner wall of left longeron and right longeron have respectively arranged an auxiliary antitorque tube through-device, and the antitorque tube passes the outer web hole of left longeron, the inner web hole of two auxiliary antitorque tube through-devices, left longeron in proper order, the outer web hole of the inner web hole of right longeron, two auxiliary antitorque tube through-devices, right longeron.
7. A vehicle frame as claimed in claim 6, wherein:
two auxiliary torsion-resistant pipe penetrating devices in the left longitudinal beam are symmetrically arranged with the transverse center line of the left longitudinal beam;
two auxiliary torsion-resistant pipe penetrating devices in the right longitudinal beam are symmetrically arranged on the transverse center line of the right longitudinal beam.
8. A vehicle frame as claimed in claim 7, wherein:
the two auxiliary torsion tube penetrating devices in the left longitudinal beam and the two auxiliary torsion tube penetrating devices in the right longitudinal beam of the same torsion tube are symmetrically arranged on the transverse center line of the frame.
9. A vehicle frame as claimed in claim 5, wherein:
a plurality of torsion resistant pipes penetrate through the left longitudinal beam and the right longitudinal beam, and each torsion resistant pipe is provided with an auxiliary torsion resistant pipe penetrating device.
10. A mining dump truck is characterized in that:
a vehicle frame as claimed in any one of claims 5 to 9 is mounted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210732769.7A CN115123387B (en) | 2022-06-27 | 2022-06-27 | Auxiliary torsion-resistant pipe penetrating device, frame and mining dump truck |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210732769.7A CN115123387B (en) | 2022-06-27 | 2022-06-27 | Auxiliary torsion-resistant pipe penetrating device, frame and mining dump truck |
Publications (2)
Publication Number | Publication Date |
---|---|
CN115123387A true CN115123387A (en) | 2022-09-30 |
CN115123387B CN115123387B (en) | 2024-01-09 |
Family
ID=83379475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210732769.7A Active CN115123387B (en) | 2022-06-27 | 2022-06-27 | Auxiliary torsion-resistant pipe penetrating device, frame and mining dump truck |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115123387B (en) |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR200255681Y1 (en) * | 2001-08-27 | 2001-12-13 | 이호경 | root backing ring of a steel pipe pile joint |
CN103661064A (en) * | 2013-12-13 | 2014-03-26 | 北京二七轨道交通装备有限责任公司 | Middle torsion barrel assembly of mining dump truck |
CN207479958U (en) * | 2017-10-25 | 2018-06-12 | 海洋石油工程(青岛)有限公司 | Structural tube girth joint group is to tooling |
KR101892684B1 (en) * | 2018-02-09 | 2018-08-28 | 주식회사 하림엔지니어링 | Steel pile |
CN211540111U (en) * | 2020-01-10 | 2020-09-22 | 中建七局第一建筑有限公司 | Auxiliary device for pipeline welding |
CN212766468U (en) * | 2020-08-25 | 2021-03-23 | 徐州徐工矿业机械有限公司 | Hydro-pneumatic suspension cylinder mounting support assembly of mining dump truck and mining dump truck |
CN214236961U (en) * | 2021-01-11 | 2021-09-21 | 青岛科技大学 | A welding auxiliary device for pipeline maintenance under water |
CN214356259U (en) * | 2021-02-26 | 2021-10-08 | 徐州徐工矿业机械有限公司 | Three-axle rigid mining dumper frame and mining dumper |
CN214565643U (en) * | 2021-03-02 | 2021-11-02 | 徐州徐工矿业机械有限公司 | Mining dump truck torsion-resistant pipe lantern ring, mining dump truck frame and mining dump truck |
KR102334957B1 (en) * | 2021-09-10 | 2021-12-06 | (주)해성기공 | Steel pipe join method using back ring |
CN216546373U (en) * | 2021-12-29 | 2022-05-17 | 临工集团济南重机有限公司 | Rear tail beam, frame and vehicle |
-
2022
- 2022-06-27 CN CN202210732769.7A patent/CN115123387B/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR200255681Y1 (en) * | 2001-08-27 | 2001-12-13 | 이호경 | root backing ring of a steel pipe pile joint |
CN103661064A (en) * | 2013-12-13 | 2014-03-26 | 北京二七轨道交通装备有限责任公司 | Middle torsion barrel assembly of mining dump truck |
CN207479958U (en) * | 2017-10-25 | 2018-06-12 | 海洋石油工程(青岛)有限公司 | Structural tube girth joint group is to tooling |
KR101892684B1 (en) * | 2018-02-09 | 2018-08-28 | 주식회사 하림엔지니어링 | Steel pile |
CN211540111U (en) * | 2020-01-10 | 2020-09-22 | 中建七局第一建筑有限公司 | Auxiliary device for pipeline welding |
CN212766468U (en) * | 2020-08-25 | 2021-03-23 | 徐州徐工矿业机械有限公司 | Hydro-pneumatic suspension cylinder mounting support assembly of mining dump truck and mining dump truck |
CN214236961U (en) * | 2021-01-11 | 2021-09-21 | 青岛科技大学 | A welding auxiliary device for pipeline maintenance under water |
CN214356259U (en) * | 2021-02-26 | 2021-10-08 | 徐州徐工矿业机械有限公司 | Three-axle rigid mining dumper frame and mining dumper |
CN214565643U (en) * | 2021-03-02 | 2021-11-02 | 徐州徐工矿业机械有限公司 | Mining dump truck torsion-resistant pipe lantern ring, mining dump truck frame and mining dump truck |
KR102334957B1 (en) * | 2021-09-10 | 2021-12-06 | (주)해성기공 | Steel pipe join method using back ring |
CN216546373U (en) * | 2021-12-29 | 2022-05-17 | 临工集团济南重机有限公司 | Rear tail beam, frame and vehicle |
Also Published As
Publication number | Publication date |
---|---|
CN115123387B (en) | 2024-01-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104787123B (en) | Front floor lower beam connecting structure of battery-changing type electric vehicle body | |
CN106812036B (en) | Assembled overhead monorail traffic track beam and processing technology | |
CN106080629A (en) | Railroad car and rolling stock | |
CN202294854U (en) | Rail vehicle traction beam | |
CN115123387A (en) | Auxiliary torsion-resistant pipe penetration device, frame and mining dump truck | |
CN207345466U (en) | A kind of battery pack lower housing shell reinforcement structure | |
CN109969214A (en) | End underframe structure used for rail vehicle and rail vehicle | |
CN105857396A (en) | Cross beam through-type vehicle underframe | |
CN203651774U (en) | Structure of lower end wall of railway coal hopper car | |
CN105438051A (en) | Tank car body and tank car underframe connecting device and railway tank car | |
CN206664336U (en) | Front-row seats install overarm brace and electric automobile | |
CN106516482B (en) | Tank container | |
CN210634636U (en) | Automobile auxiliary frame automobile body mounting point reinforcing structure | |
CN109367564B (en) | Art coupler connecting device | |
CN217753905U (en) | Novel gooseneck platform structure | |
CN214883867U (en) | Connecting device for non-equal-height ground | |
CN103523085B (en) | Quarry tipper gantry beam and carriage of mining self-unloading vehicle | |
CN111016558A (en) | Tow hook structure, tow hook assembly and vehicle | |
CN220430290U (en) | Frame longitudinal beam and dumper frame | |
CN213862457U (en) | Front platform mounting structure of stirring semitrailer | |
CN113232687B (en) | Railway vehicle and underframe assembly thereof | |
CN216546365U (en) | Rigid frame and frame assembly | |
CN213322975U (en) | Large-tonnage type light dumper frame and mining dumper | |
CN218258351U (en) | Interior lining plate, vehicle chassis and working machine | |
CN215323071U (en) | Split type tricycle frame |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |