CN111119263B - Combined connection structure for chassis of mining excavator and mining excavator - Google Patents
Combined connection structure for chassis of mining excavator and mining excavator Download PDFInfo
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- CN111119263B CN111119263B CN202010115036.XA CN202010115036A CN111119263B CN 111119263 B CN111119263 B CN 111119263B CN 202010115036 A CN202010115036 A CN 202010115036A CN 111119263 B CN111119263 B CN 111119263B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
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- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a combined connecting structure for a chassis of a mining excavator and the mining excavator, wherein the combined connecting structure comprises a double-bearing connecting device and a longitudinal beam upper part connecting device; the double-bearing connecting device is arranged at a side plate of the longitudinal beam, the upper connecting device of the longitudinal beam is arranged at an upper top plate of the longitudinal beam, the upper part of the frame connecting plate is connected with the upper connecting device of the longitudinal beam, and the lower part of the frame connecting plate is connected with the double-bearing connecting device. The invention can effectively protect the bolt, prevent yield failure, reduce the overall height of the chassis without limiting the design height of the frame, and improve the overall rigidity of the frame.
Description
Technical Field
The invention relates to a combined connecting structure for a chassis of a mining excavator, and belongs to the field of engineering machinery.
Background
The chassis structure of the large-scale engineering machinery, especially the large-scale mining excavator, has a large structural size, the whole weight is heavy, and the chassis needs to be disassembled and assembled in the actual hoisting and transporting processes, so that the chassis structure is generally disassembled into three parts, namely longitudinal beam structures on two sides of a middle frame structure region, aiming at the structural form of the chassis for the large-scale mining excavator, and the disassembly and the assembly are convenient. The longitudinal beam structures on the two sides are connected with the frame structure in the middle through bolt washers.
The existing chassis of a large mining excavator is divided into two assembling connection modes of a lap joint type and a side connection type, the lap joint type connection mode is easy to pull up the overall height of the chassis, the height of a middle frame is properly compressed to ensure the height limitation of the chassis, and the overall strength and rigidity are weakened; the lateral connection is that a lateral mounting plate is directly arranged on the longitudinal beam and is provided with a threaded mounting hole, and the lateral connection between the middle frame and the longitudinal beam is realized by using a bolt.
Previously, research and development personnel designed a chassis connection structure and reported patents, which are named as: the combined engineering machinery chassis connecting structure (patent number: 2014204867656) is a straight J-shaped structure, has large volume and heavy weight, has relatively poor strength when bearing bending moment and torque load, and has strong bearing capacity not as much as a stepped structure. Meanwhile, the disclosed chassis connecting structure directly welds the thick plate with the longitudinal beam transverse thin plate and the longitudinal beam lateral thin plate, the transition of material force flow is not smooth, stress concentration is easily caused, and micro cracks are easily generated at the butt welding seam of the two plates to cause product defects. Therefore, on the basis of the patent, the chassis connecting structure is innovatively improved, and the design of the invention is realized.
Disclosure of Invention
In view of the above situation, the invention provides a combined connection structure for a chassis of a mining excavator, which can effectively and accurately connect a middle frame with longitudinal beams on two sides, has high structural bearing capacity and is convenient to assemble and disassemble.
In order to achieve the purpose, the invention is realized according to the following technical scheme:
a combined connecting structure for a chassis of a mining excavator comprises a double-bearing connecting device and a longitudinal beam upper connecting device; the double-bearing connecting device comprises a mounting plate, a hook and a connecting plate; the mounting plate is in a step shape, and the upper part of the mounting plate is wide and the lower part of the mounting plate is narrow; the rear end face, opposite to the step face, of the mounting plate is provided with three connecting rib plates for connecting three transverse rib plates of the longitudinal beam, and the three connecting rib plates and the top end of the mounting plate are a plane and are used for being connected with the upper top plate of the longitudinal beam; the hook is arranged at the bottom of the step surface of the mounting plate, so that a groove structure is formed on the mounting surface of the mounting plate, the bottom surface and the side surface of the hook and used for realizing the matching with the bottom of the frame connecting plate; two symmetrical connecting plates are arranged on two sides of the mounting plate, wherein one connecting plate is used for being connected with the longitudinal beam transverse supporting plate, and the other connecting plate is used for being connected with the longitudinal beam side plate; and the upper part of the frame connecting plate is connected with a longitudinal beam upper part connecting device arranged at the upper top plate of the longitudinal beam.
Furthermore, two through slotted holes are formed in the middle upper portion of the mounting plate.
Furthermore, two sunken slotted holes are formed in the top end of the rear end face of the mounting plate, and three connecting rib plates are naturally formed on the rear end face of the mounting plate through the two through slotted holes and the two sunken slotted holes.
Furthermore, the whole double-bearing connecting device takes the transverse center line as a reference and is in a left-right completely symmetrical structure; the mounting plate, the hook, the connecting plate and the connecting rib plate are integrally cast.
Furthermore, a plurality of threaded holes are formed in the middle lower portion of the stepped surface of the mounting plate and are connected with the frame connecting plate through bolt assemblies.
Further, the step surface of the mounting plate is subjected to fillet transition treatment at the step; the connection part of the mounting plate and the connecting plate is subjected to fillet transition treatment; c1 chamfers are arranged on two sides of the groove of the hook.
Further, the upper connecting device of the longitudinal beam comprises an L-shaped plate and three connecting rib plates; the three connecting rib plates are positioned on the bottom surface of the L-shaped plate, and the three connecting rib plates and the top of the bottom surface of the L-shaped plate are a plane which is used for being connected with the upper top plate of the longitudinal beam; the top surface of the L-shaped plate is an inclined surface, and the middle of the L-shaped plate is provided with a trapezoidal groove which is connected with a fillet.
Furthermore, two rectangular grooves are formed in the wide face of the front end of the L-shaped plate, the rectangular grooves extend inwards to the tail of the L-shaped plate, and three connecting rib plates are naturally formed through the two rectangular grooves.
Furthermore, the upper connecting device of the longitudinal beam takes the transverse center line as a reference and is in a left-right completely symmetrical structure; the longitudinal beam upper connecting device is an integral casting.
Furthermore, the wide face of the front end of the L-shaped plate is a plane, a row of threaded holes are formed in the plane, and the L-shaped plate is connected with the frame connecting plate through a bolt assembly.
The utility model provides a mining excavator, includes longeron, frame, built-up connection structure, and this built-up connection structure installs on the longeron, install the frame connecting plate on the frame, realize being connected of longeron and frame through the frame connecting plate with the cooperation of built-up connection structure.
The invention has the beneficial effects that:
the combined connecting structure for the chassis comprises the double-bearing connecting device and the longitudinal beam upper connecting device which are integrally cast, and has the advantages of simple structure, high structural strength and strong functionality. The lower end double-bearing connecting device is ingenious in stepped transition connecting structure, the middle connecting plate is transited to the two-side symmetrical connecting thin plates, the middle connecting plate is transited to the upper end connecting thin plate, the force flow trend is well followed, when the whole machine bears bending moment and torque load, the stress in the area is greatly reduced, and the whole structure is light in weight and reliable in structure. The upper end connecting device is simple and reliable in structure, and is reliably connected with the top plate by utilizing three rib plates with symmetrical notches. The longitudinal beam is connected with the frame by utilizing the common cooperation of the lower double-bearing connecting device and the upper connecting device, the upper connecting bolt, the lower connecting bolt and the lower hook can be effectively borne, the bolts can be effectively protected, the yield failure is prevented, the overall height of the chassis is reduced, the design height of the frame is not limited, and the overall rigidity of the frame is also improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. The present invention will be described in detail below with reference to the accompanying drawings and examples.
FIG. 1 is a front isometric view of a dual load bearing connection;
FIG. 2 is a rear isometric view of the dual load bearing connection;
FIG. 3 is a schematic view of the welding of the dual load bearing attachment to the stringer;
figure 4 is a bottom isometric view of the upper attachment means of the stringer;
figure 5 is a top isometric view of the upper stringer connector;
FIG. 6 is a front view of the stringer upper connector;
FIG. 7 is an assembly view of the frame tie plate with the dual load bearing attachment, the upper attachment to the side rail;
FIG. 8 is an application diagram of an example of a combined connecting structure for a chassis of a mining excavator.
Description of the reference numerals:
101. the connecting rib plates I and 102, the connecting rib plates II and 103, the connecting rib plates III and 201, the connecting plates I and 202, the connecting plates II and 3, the threaded holes I and 4, the hook bosses 5, the hooks 601, the sinking groove holes I and 602, the sinking groove holes II and 7, the mounting plates 701, the through groove holes I and 702 and the through groove holes II; 801. the connecting rib plates IV and 802, the connecting rib plates V and 803, the connecting rib plates VI and 804, the rectangular grooves 805, the threaded holes II and 806 and the trapezoidal grooves; I. a stringer; i0, a double-bearing connecting device, I1, a longitudinal beam cross support plate, I2, a longitudinal beam lower bottom plate, I3, a longitudinal beam side plate, I4, a transverse rib plate I, I5, a transverse rib plate II, I6, a transverse rib plate III, I7, a longitudinal beam upper connecting device, I8, a longitudinal beam upper top plate, I9, a frame connecting plate, I10, an upper connecting bolt washer, I11 and a lower connecting bolt washer.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 6, the combined connecting structure for the chassis of the mining excavator comprises a double-load-bearing connecting device I0 and a longitudinal beam upper connecting device I7; the double-load-bearing connecting device I0 is installed at a longitudinal beam side plate I3, the longitudinal beam upper connecting device I7 is installed at a longitudinal beam upper top plate I8, the upper portion of the frame connecting plate I9 is connected with the longitudinal beam upper connecting device I7, and the lower portion of the frame connecting plate I9 is connected with the double-load-bearing connecting device I0.
A preferred embodiment of the above embodiment is given below in relation to a dual load bearing connection:
as shown in fig. 1, 2 and 3, the double-bearing connecting device for the chassis of the mining excavator comprises a mounting plate 7, a hook 5, a connecting plate I201 and a connecting plate II 202; the mounting plate 7 is in a step shape, and the upper part is wide and the lower part is narrow; three connecting rib plates (a connecting rib plate I101, a connecting rib plate II 102 and a connecting rib plate III 103) are arranged on the back end face opposite to the step face of the mounting plate 7 and are used for connecting three transverse rib plates (a transverse rib plate I4, a transverse rib plate II I5 and a transverse rib plate III I6) of the longitudinal beam I, and the three connecting rib plates and the top end of the mounting plate 7 form a plane together and are used for being connected with an upper top plate I8 of the longitudinal beam; the hook 5 is arranged at the bottom of the step surface of the mounting plate 7, so that a groove structure is formed on the mounting surface of the mounting plate 7 and the bottom surface and the side surface of the hook 5 and is used for realizing the matching with a frame connecting plate I9; and two symmetrical connecting plates (connecting plate I201 and connecting plate II 202) are arranged on two sides of the mounting plate 7, wherein one connecting plate is used for being connected with a longitudinal beam transverse supporting plate I1, and the other connecting plate is used for being connected with a longitudinal beam side plate I3.
Further scheme: and symmetrical notches in two sides are formed in the connecting plate I201 and the connecting plate II 202 and are used for being connected with a longitudinal beam transverse supporting plate I1 and a longitudinal beam side plate I3.
Further scheme: the whole double-bearing connecting device I0 takes a transverse central line as a reference and is in a left-right completely symmetrical structure. The mounting plate 7, the hook 5, the connecting plate I201, the connecting plate II 202, the connecting rib plate I101, the connecting rib plate II 102 and the connecting rib plate III 103 are integrally cast.
Continuing to refer to fig. 1, 2 and 3, the middle upper part of the mounting plate is provided with two through slots (a through slot I701 and a through slot II 702), the through slot I701 and the through slot II 702 reduce the weight of the double-bearing connecting device I0 on one hand, the casting forming is convenient on the other hand, the top end of the rear end face of the mounting plate 7 is provided with a sunk slot I601 and a sunk slot II 602 on the other hand, and the rear end of the double-bearing connecting device I0 is naturally provided with a connecting rib plate I101, a connecting rib plate II 102 and a connecting rib plate III 103 through the through slot I701, the through slot II 702, the sunk slot I601 and the sunk slot II 602, and is respectively connected with a transverse rib plate I4, a transverse rib plate II 5 and a transverse rib plate III I6 in a butt welding manner.
It should be noted that the through slot i 701 and the through slot ii 702 are both fillet processed.
Further scheme: the step surface of the mounting plate 7 is subjected to fillet transition treatment at the step; the connection parts of the mounting plate 7, the connecting plate I201 and the connecting plate II 202 are subjected to fillet transition treatment; c1 chamfers are arranged on two sides of the groove of the hook 5.
The lower part has a plurality of screw holes I3 in the ladder face of mounting panel, realizes being connected with frame connecting plate I9 through lower part connecting bolt packing ring I11.
Further scheme: the installation surface of the installation plate 7 with the step-shaped middle part and the lower bottom surface and the side surface of the hook 5 are all finished by machining, and the width of the groove of the hook 5 is controlled to have positive deviation between 50 threads and 60 threads. The distance between the top surface of the hook boss 4 in the hook and the bottom surface of the hook 5 is not less than 50 mm.
It should be noted that the above is a detailed description of the specific implementation of the present invention, but the present invention is not limited to the specific embodiments described above, which are only examples, and any equivalent modifications and substitutions for the dual carrier connection device are within the scope of the present invention for those skilled in the art.
The following gives a preferred embodiment of the above-described embodiment with respect to the upper stringer connecting means:
as shown in fig. 4, 5 and 6, the longitudinal beam upper connecting device comprises an L-shaped plate, a connecting rib plate IV 801, a connecting rib plate V802 and a connecting rib plate VI 803; the connecting rib plates IV 801, V802 and VI 803 are positioned on the bottom surfaces of the L-shaped plates, and the connecting rib plates IV 801, V802 and VI 803 and the tops of the bottom surfaces of the L-shaped plates form a plane together for being connected with the longitudinal beam upper top plate I8; the top surface of the L-shaped plate is an inclined surface, and the middle of the L-shaped plate is provided with a trapezoidal groove 806 which is connected with a fillet.
Further scheme: the upper connecting device I7 of the longitudinal beam takes the transverse center line as a reference and is in a left-right completely symmetrical structure; the upper connecting device I7 of the longitudinal beam is a one-piece casting.
Continuing to refer to fig. 4, the wide surface of the front end of the L-shaped plate is provided with two rectangular grooves 804, the rectangular grooves 804 extend inwards to the tail of the L-shaped plate, and three connecting rib plates are naturally formed through the two rectangular grooves 804.
It should be noted that the right angle of the rectangular groove 804 is in rounded transition; the connecting rib plate IV 801, the connecting rib plate V802 and the connecting rib plate VI 803 are respectively provided with a left-right symmetrical groove, and the welding with the longitudinal beam upper top plate I8 is realized through the symmetrical grooves of the three connecting rib plates.
Continuing to refer to fig. 5, the front wide surface of the L-shaped plate is a plane and is in a chevron shape, and a row of threaded holes ii 805 are formed on the plane and connected with a frame connecting plate I9 through an upper connecting bolt washer I10.
It should be noted that the above is a detailed description of the specific implementation of the present invention, but the present invention is not limited to the specific embodiment described above, which is only an example, and any equivalent modifications and substitutions of the upper connecting device of the longitudinal beam are within the scope of the present invention for those skilled in the art.
In conclusion, the combined connecting structure for the chassis comprises the double-bearing connecting device and the longitudinal beam upper connecting device which are integrally cast, and has the advantages of simple structure, high structural strength and strong functionality. The lower end double-bearing connecting device is ingenious in stepped transition connecting structure, the middle connecting plate is transited to the two-side symmetrical connecting thin plates, the middle connecting plate is transited to the upper end connecting thin plate, the force flow trend is well followed, when the whole machine bears bending moment and torque load, the stress in the area is greatly reduced, and the whole structure is light in weight and reliable in structure. The upper end connecting device is simple and reliable in structure, and is reliably connected with the top plate by utilizing three rib plates with symmetrical notches. The longitudinal beam is connected with the frame by utilizing the common cooperation of the lower double-bearing connecting device and the upper connecting device, the upper connecting bolt, the lower connecting bolt and the lower hook can be effectively borne, the bolts can be effectively protected, the yield failure is prevented, the overall height of the chassis is reduced, the design height of the frame is not limited, and the overall rigidity of the frame is also improved.
As shown in fig. 7 and 8, the invention further provides a mining excavator, which comprises a longitudinal beam I, a frame, a double-load-bearing connecting device I9 and a longitudinal beam upper connecting device I7, wherein the longitudinal beam upper connecting device I7 is installed at the position of a longitudinal beam upper top plate I8, the double-load-bearing connecting device I0 is installed on a longitudinal beam side plate I3, the hook 5 is close to a longitudinal beam lower bottom plate I2, and the frame is provided with a frame connecting plate I9; after the bottom surface of the frame connecting plate I9 is inserted into the hook 5, the lower part of the frame connecting plate I9 is connected with the double-load-bearing connecting device I0 through the lower connecting bolt washer I11, and then the upper part of the frame connecting plate I9 is connected with the longitudinal beam upper connecting device I7 through the upper connecting bolt washer I10, so that the connection between the longitudinal beam I and the frame is completed.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a mining excavator is built-up connection structure for chassis which characterized in that: comprises a double-bearing connecting device and a longitudinal beam upper connecting device;
the whole double-bearing connecting device takes the transverse central line as a reference and is in a left-right completely symmetrical structure;
the double-bearing connecting device comprises a mounting plate, a hook and a connecting plate, and the mounting plate, the hook, the connecting plate and the connecting rib plate are integrally cast;
the mounting plate is in a step shape, and the upper part of the mounting plate is wide and the lower part of the mounting plate is narrow; the rear end face, opposite to the step face, of the mounting plate is provided with three connecting rib plates for connecting three transverse rib plates of the longitudinal beam, and the three connecting rib plates and the top end of the mounting plate are a plane and are used for being connected with the upper top plate of the longitudinal beam;
the hook is arranged at the bottom of the step surface of the mounting plate, so that a groove structure is formed on the mounting surface of the mounting plate, the bottom surface and the side surface of the hook and used for realizing the matching with the bottom of the frame connecting plate;
two symmetrical connecting plates are arranged on two sides of the mounting plate, wherein one connecting plate is used for being connected with the longitudinal beam transverse supporting plate, and the other connecting plate is used for being connected with the longitudinal beam side plate;
the upper part of the frame connecting plate is connected with a longitudinal beam upper part connecting device arranged at a longitudinal beam upper top plate;
the upper connecting device of the longitudinal beam comprises an L-shaped plate and three connecting rib plates;
the three connecting rib plates are positioned on the bottom surface of the L-shaped plate, and the three connecting rib plates and the top of the bottom surface of the L-shaped plate are a plane which is used for being connected with the upper top plate of the longitudinal beam;
the top surface of the L-shaped plate is an inclined surface, and the middle of the L-shaped plate is provided with a trapezoidal groove which is connected with a fillet.
2. The combined connection structure for the chassis of the mining excavator according to claim 1, wherein: and the middle upper part of the mounting plate is provided with two through slotted holes.
3. The combined connection structure for the chassis of the mining excavator according to claim 2, characterized in that: two sunk slotted holes are formed in the top end of the rear end face of the mounting plate, and three connecting rib plates are naturally formed on the rear end face of the mounting plate through the two through slotted holes and the two sunk slotted holes.
4. The combined connection structure for the chassis of the mining excavator according to claim 1, wherein: and the middle lower part of the stepped surface of the mounting plate is provided with a plurality of threaded holes, and the mounting plate is connected with the frame connecting plate through a bolt assembly.
5. The combined connection structure for the chassis of the mining excavator according to claim 1, wherein: the step surface of the mounting plate is subjected to fillet transition treatment at the step; the connection part of the mounting plate and the connecting plate is subjected to fillet transition treatment; c1 chamfers are arranged on two sides of the groove of the hook.
6. The combined connection structure for the chassis of the mining excavator according to claim 1, wherein: two rectangular grooves are formed in the wide face of the front end of the L-shaped plate, the rectangular grooves extend inwards to the tail portion of the L-shaped plate, and three connecting rib plates are naturally formed through the two rectangular grooves.
7. The combined connection structure for the chassis of the mining excavator according to claim 1, wherein: the upper connecting device of the longitudinal beam takes the transverse central line as a reference and is in a left-right completely symmetrical structure; the longitudinal beam upper connecting device is an integral casting.
8. The combined connection structure for the chassis of the mining excavator according to claim 1, wherein: the wide face of the front end of the L-shaped plate is a plane, a row of threaded holes are formed in the plane of the wide face, and the wide face is connected with a frame connecting plate through a bolt assembly.
9. The utility model provides a mining excavator, includes longeron, frame, its characterized in that: the combined connecting structure of any one of claims 1 to 8, which is mounted on the longitudinal beam, and the frame is mounted with a frame connecting plate, and the connection of the longitudinal beam and the frame is realized by the cooperation of the frame connecting plate and the combined connecting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010115036.XA CN111119263B (en) | 2020-02-25 | 2020-02-25 | Combined connection structure for chassis of mining excavator and mining excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010115036.XA CN111119263B (en) | 2020-02-25 | 2020-02-25 | Combined connection structure for chassis of mining excavator and mining excavator |
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| CN111119263A CN111119263A (en) | 2020-05-08 |
| CN111119263B true CN111119263B (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010115036.XA Active CN111119263B (en) | 2020-02-25 | 2020-02-25 | Combined connection structure for chassis of mining excavator and mining excavator |
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| CN1191781A (en) * | 1997-02-08 | 1998-09-02 | 大众汽车有限公司 | Formed part having multiple-plate structure of zonal design |
| EP0722401B1 (en) * | 1993-10-12 | 2000-04-12 | Ab Volvo | End section of frame member |
| DE102010056215A1 (en) * | 2010-12-24 | 2011-08-25 | Daimler AG, 70327 | Reinforcement arrangement for use in frame of articulated vehicle for towing lorry, has carrier elements fastened at beams of frame and reinforced through brackets, where brackets are connected with longitudinal beams |
| CN104228950A (en) * | 2014-08-27 | 2014-12-24 | 徐州徐工挖掘机械有限公司 | Combined engineering machinery chassis connection structure |
| CN204750287U (en) * | 2015-04-15 | 2015-11-11 | 东风襄阳旅行车有限公司 | Passenger train chassis frame combination crossbeam |
| CN106976482A (en) * | 2017-02-14 | 2017-07-25 | 长久（滁州）专用汽车有限公司 | A kind of shaft vehicle transportation chassis split attachment means |
| CN206983876U (en) * | 2017-07-14 | 2018-02-09 | 成都雅骏新能源汽车科技股份有限公司 | A kind of vehicular data acquisition terminal mounting bracket |
| CN108357579A (en) * | 2018-04-18 | 2018-08-03 | 徐工集团工程机械股份有限公司 | A kind of Novel frame connect seben with track frame |
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2020
- 2020-02-25 CN CN202010115036.XA patent/CN111119263B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0722401B1 (en) * | 1993-10-12 | 2000-04-12 | Ab Volvo | End section of frame member |
| CN1191781A (en) * | 1997-02-08 | 1998-09-02 | 大众汽车有限公司 | Formed part having multiple-plate structure of zonal design |
| DE102010056215A1 (en) * | 2010-12-24 | 2011-08-25 | Daimler AG, 70327 | Reinforcement arrangement for use in frame of articulated vehicle for towing lorry, has carrier elements fastened at beams of frame and reinforced through brackets, where brackets are connected with longitudinal beams |
| CN104228950A (en) * | 2014-08-27 | 2014-12-24 | 徐州徐工挖掘机械有限公司 | Combined engineering machinery chassis connection structure |
| CN204750287U (en) * | 2015-04-15 | 2015-11-11 | 东风襄阳旅行车有限公司 | Passenger train chassis frame combination crossbeam |
| CN106976482A (en) * | 2017-02-14 | 2017-07-25 | 长久（滁州）专用汽车有限公司 | A kind of shaft vehicle transportation chassis split attachment means |
| CN206983876U (en) * | 2017-07-14 | 2018-02-09 | 成都雅骏新能源汽车科技股份有限公司 | A kind of vehicular data acquisition terminal mounting bracket |
| CN108357579A (en) * | 2018-04-18 | 2018-08-03 | 徐工集团工程机械股份有限公司 | A kind of Novel frame connect seben with track frame |
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| Publication number | Publication date |
|---|---|
| CN111119263A (en) | 2020-05-08 |
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