CN214084441U - Cast steel reinforced frame of mining dump truck - Google Patents
Cast steel reinforced frame of mining dump truck Download PDFInfo
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- CN214084441U CN214084441U CN202022664272.5U CN202022664272U CN214084441U CN 214084441 U CN214084441 U CN 214084441U CN 202022664272 U CN202022664272 U CN 202022664272U CN 214084441 U CN214084441 U CN 214084441U
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Abstract
The utility model discloses a frame is reinforceed to mining dump truck cast steel, including front bumper, fore-stock, longeron frame, the rear end of fore-stock is connected with the longeron frame, the fore-stock includes left fore-stock and right fore-stock, and the front end of left fore-stock and right fore-stock passes through the front bumper and connects, the longeron frame includes left longeron and right longeron, the rear end of left side fore-stock, right fore-stock respectively with the front end welding of left longeron, right longeron, the top of left side longeron, right longeron all welds left side casting steel support, the right side casting steel support that is close to corresponding side fore-stock, and on casting steel support, the right side casting steel support respectively the grafting be connected with left side casting steel, right side casting steel. The utility model discloses well left longeron, right longeron adopt integrative cast steel spare, have through cast steel spare than cast iron better intensity, make it can reduce 25% of the main stress on the frame to extension frame life improves mining dump truck frame's reliability.
Description
Technical Field
The utility model relates to a mining dump truck frame technical field, specificly relate to a frame is reinforceed to mining dump truck cast steel.
Background
The mining dump truck is mainly used for mining and transporting strip mines and works for 20 hours every day. With the large-scale of surface mines, the large tonnage of mining dump trucks has become a trend. The mining dump truck has large tonnage and long working time, and the general road condition of the surface mine is poor, so the requirement on the frame of the mining dump truck is particularly high.
The frame of the mining dump truck is a main bearing part of the mining dump truck, and the frame bears the action of gravity, impact load, torsional load and alternating load, so that stress concentration parts and weld beads are prone to cracking, the frame is damaged, and the service life of the frame is influenced.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
An object of the utility model is to provide a frame is reinforceed to mining dump truck cast steel to solve the problem that proposes among the above-mentioned background art.
2. Technical scheme
In order to solve the above problem, the utility model adopts the following technical scheme:
the cast steel reinforced frame for the mining dump truck comprises a front bumper, a front support and a longitudinal beam frame, wherein the rear end of the front support is connected with the longitudinal beam frame, the front support comprises a left front support and a right front support, the front ends of the left front support and the right front support are connected through the front bumper, the longitudinal beam frame comprises a left longitudinal beam and a right longitudinal beam, the rear ends of the left front support and the right front support are respectively welded with the front ends of the left longitudinal beam and the right longitudinal beam, the top ends of the left longitudinal beam and the right longitudinal beam are respectively welded with a left cast steel support and a right cast steel support which are close to the corresponding side front supports, the left cast steel support and the right cast steel support are respectively connected with a left upper cast steel piece and a right upper cast steel piece in an inserting way, the left upper cast steel piece is connected with the right upper cast steel piece through a steel pipe, the rear ends of the left longitudinal beam and the right longitudinal beam are respectively welded with a left rear cast steel piece and a right rear cast steel piece, and the left longitudinal beam and the corresponding cast steel piece form a longitudinal beam with an obtuse triangle structure, every the summit that the obtuse angle corresponds on the longeron all is located the below, and the biggest limit horizontally that the obtuse angle corresponds is located the top, left side casting steel support, right side casting steel support weld respectively in the biggest edge of longeron, two the obtuse angle department of longeron passes through steel pipe two to be connected, left side back steel casting passes through steel pipe three and right back steel casting is connected.
Preferably, the bottom of the upper left cast steel piece and the bottom of the upper right cast steel piece are both formed and provided with inserting blocks, the top ends of the left cast steel support and the right cast steel support are provided with inserting slots matched with the inserting blocks in an inserting mode, and each inserting block is integrated with the corresponding inserting slot through welding.
Preferably, the upper left steel casting and the upper right steel casting are of isosceles triangle structures, the top angles of the upper left steel casting and the upper right steel casting are located above the top angle, the top angle is connected with the two ends of the first steel pipe, the two ends of the first steel pipe are respectively in transition splicing with the upper left steel casting and the upper right steel casting, and the splicing positions are integrated through welding.
Preferably, the two ends of the second steel pipe are respectively in transition splicing with the left lifting steel casting and the right lifting steel casting, splicing positions are integrated through welding, the obtuse angles of the two longitudinal beams are respectively provided with a splicing port matched with the corresponding lifting steel casting in size, each longitudinal beam is connected with the corresponding lifting steel casting through welding, the lifting steel casting is of a fan-shaped structure, and the central angle corresponding to the lifting steel casting is equal to the obtuse angle of each longitudinal beam.
Preferably, the end surfaces of the left longitudinal beam, the right longitudinal beam, the left rear steel casting and the right rear steel casting are all wave-shaped structures.
The utility model also provides a mining dump truck cast steel reinforce frame's application method, including following step:
s1, sequentially welding the left front support and the right front support at the front ends of the left longitudinal beam and the right longitudinal beam, and welding a front bumper between the two left longitudinal beams and the right longitudinal beam, so that the front bumper connects the left front support and the right front support and plays a role in supporting;
s2, respectively welding the cast steel support and the right cast steel support on the upper end surfaces of the left longitudinal beam and the right longitudinal beam, and obtaining a main body of the frame through the two steps;
s3, inserting two ends of the first steel pipe into the two upper left steel castings and the upper right steel castings and welding the inserting positions, so that an independent splicing body is formed among the first steel pipe, the upper left steel castings and the upper right steel castings;
s4, splicing the splicing body in the S3 to the main body of the frame, and when the splicing body is spliced, splicing blocks at the bottom ends of a left upper cast steel piece and a right upper cast steel piece are spliced into slots inside a left longitudinal beam, a right longitudinal beam upper cast steel support and a right cast steel support, and then splicing parts of the splicing blocks and the slots are fixed through welding;
s5, inserting two ends of the third steel pipe into the left rear steel casting and the right rear steel casting and welding the inserting positions so as to form another independent splicing body between the third steel pipe and the left rear steel casting as well as the right rear steel casting;
s6, splicing the splicing body in the S5 to the main body of the frame, wherein when the splicing body is spliced, the corrugated end faces of the front ends of the left rear steel casting and the right rear steel casting can be respectively butted to the corrugated surfaces of the left longitudinal beam and the right longitudinal beam, and the corrugated connection is fixedly connected through welding.
3. Advantageous effects
(1) The utility model discloses left side longeron, right side longeron constitutes a longeron that is obtuse triangle-shaped structure with corresponding steel casting respectively, stronger stability can have through triangle-shaped, make the holistic bearing effect of longeron stronger, and through the setting of the biggest limit horizontally of longeron, the effort that makes longeron up end somewhere receive can disperse to go on other positions of up end, so that the up end atress of longeron is even, prevent that the up end local atress of longeron is great to it and cause the damage, the upper left/right cast steel on the atress position of two longeron up ends passes through a steel pipe connection, this kind of setting of connecting the atress position of two longeron up ends, can strengthen the compressive effect at longeron up end atress position, in order to strengthen the bearing capacity of frame, in addition, obtuse angle department and the rear end department of longeron through two steel pipes respectively through two, The steel pipe III is connected, and the two longitudinal beams can be connected and supported through the steel pipe II and the steel pipe III so as to enhance the integral bearing capacity of the longitudinal beam frame and improve the stability of the frame;
in addition, the left longitudinal beam and the right longitudinal beam are main stress parts on the frame, and the left longitudinal beam and the right longitudinal beam are integrally cast steel parts, so that the strength of the cast steel parts is higher than that of cast iron, the main stress on the frame can be reduced by 25%, the service life of the frame is prolonged, and the reliability of the frame of the mining dump truck is improved.
(2) The arrangement of the plug-in type connection mode between the upper steel castings and the cast steel supports of the utility model enables the frame to be two independent bodies between the two upper steel castings and the longitudinal beam before the frame is formed, and through the independent processing of the two independent bodies, can facilitate people to weld the first steel pipe on the upper steel casting and weld the upper steel casting with the first steel pipe above the longitudinal beam, so that the installation among all parts of the frame is more convenient and rapid, the processing efficiency of the frame is improved, in addition, the contact area between the upper cast steel piece and the cast steel support can be increased by the plug-in type connection mode between the upper cast steel piece and the cast steel support, and the upper cast steel piece and the cast steel support are connected by welding, the splicing type and the arrangement of the welding connection mode at the splicing position can enhance the stability of connection between the upper cast steel piece and the cast steel support, and ensure the bearing effect of the stressed part of the upper end surface of the longitudinal beam.
(3) The utility model discloses a triangle-shaped has stronger stability can, can strengthen the supporting effect of upper left cast steel spare, upper right cast steel spare to steel pipe one, in addition through a steel pipe both ends respectively with upper left cast steel spare, upper right cast steel spare peg graft and carry out the setting of welded connected mode to grafting department, make the both ends of steel pipe one carry out stable connection with upper left cast steel spare, upper right cast steel spare to strengthen the stability of this support.
(4) The utility model discloses a two both ends of steel pipe respectively with left lifting steel casting, right lifting steel casting peg graft and carry out welded connected mode's setting to grafting department, can guarantee two both ends of steel pipe and left lifting steel casting, right lifting steel casting is connected stabilizes the effect, set up the setting with the interface that lifts steel casting looks adaptation on the longeron in addition, can increase longeron and lift effective area of contact between the steel casting, with the stability ability that improves the longeron and lift steel casting and be connected, guarantee the steel pipe to the support effect between two longerons.
(5) The utility model discloses the welding end face is the setting of wave form structure, can increase left longeron, right longeron respectively with left back cast steel, right back cast steel between effectual area of contact, and connect the wave form face of connecting through the welding, strengthen left longeron, right longeron respectively with left back cast steel, right back cast steel between the stability ability of being connected.
Drawings
Fig. 1 is a schematic external structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3 is an enlarged schematic view of B in fig. 1.
Reference numerals: 1-front bumper, 2-left front bracket, 3-right front bracket, 4-left cast steel bracket, 5-right cast steel bracket, 6-left upper cast steel, 7-right upper cast steel, 8-steel pipe I, 9-left longitudinal beam, 10-right longitudinal beam, 11-left lifting cast steel, 12-right lifting cast steel, 13-steel pipe II, 14-left rear cast steel, 15-right rear cast steel, 16-steel pipe III, 17-longitudinal beam, 18-plug block, 19-plug slot and 20-plug interface.
Detailed Description
The following description sufficiently illustrates specific embodiments of the invention to enable those skilled in the art to practice and reproduce it.
Examples
The cast steel reinforced frame for the mining dump truck as shown in figures 1-3 comprises a front bumper 1, a front bracket and a longitudinal beam frame, wherein the rear end of the front bracket is connected with the longitudinal beam frame, the front bracket comprises a left front bracket 2 and a right front bracket 3, the front ends of the left front bracket 2 and the right front bracket 3 are connected through the front bumper 1, the longitudinal beam frame comprises a left longitudinal beam 9 and a right longitudinal beam 10, the rear ends of the left front bracket 2 and the right front bracket 3 are respectively welded with the front ends of the left longitudinal beam 9 and the right longitudinal beam 10, the top ends of the left longitudinal beam 9 and the right longitudinal beam 10 are respectively welded with a left cast steel support 4 and a right cast steel support 5 which are close to the corresponding side front brackets, the left cast steel support 4 and the right cast steel support 5 are respectively connected with a left upper cast steel 6 and a right upper cast steel 7 in an inserting manner, the bottom ends of the left upper cast steel 6 and the right upper cast steel 7 are respectively formed with an inserting block 18, the top ends of the left cast steel support 4 and the right cast steel support 5 are provided with inserting slots 19 which are adaptive to the inserting type, each plug-in block 18 is integrated with a corresponding slot 19 by welding, and the arrangement of a plug-in type connection mode between the upper steel casting and the cast steel support ensures that the frame is two independent bodies between the two upper steel castings and the longitudinal beam 17 before the frame is formed, and through the independent processing of the two independent bodies, people can conveniently weld the first steel pipe 8 on the upper steel casting and weld the upper steel casting with the first steel pipe 8 above the longitudinal beam 17, so that the installation between each part of the frame is more convenient and rapid, the processing efficiency of the frame is improved, in addition, the contact area between the upper steel casting and the cast steel support can be increased by the plug-in type connection mode between the upper steel casting and the cast steel support, and the two parts are connected by welding, and the plug-in type and the arrangement of the welding connection mode at the plug-in position can enhance the connection stability between the upper steel casting and the cast steel support, the bearing effect of the stressed part of the upper end surface of the longitudinal beam 17 is ensured.
The upper left steel casting 6 is connected with the upper right steel casting 7 through a first steel pipe 8, the upper left steel casting 6 and the upper right steel casting 7 are of an isosceles triangle structure, the vertex angle of the upper left steel casting 6 and the upper right steel casting 7 is located above the vertex angle, the vertex angle is connected with the two ends of the first steel pipe 8 respectively, the two ends of the first steel pipe 8 are connected with the upper left steel casting 6 and the upper right steel casting 7 in a transition insertion mode respectively, the insertion positions are welded into a whole, the triangle has high stability, the supporting effect of the upper left steel casting 6 and the upper right steel casting 7 on the first steel pipe 8 can be enhanced, in addition, the two ends of the first steel pipe 8 are connected with the upper left steel casting 6 and the upper right steel casting 7 in a welding mode respectively, and the connection mode of welding is carried out on the insertion positions, the two ends of the first steel pipe 8 can be stably connected with the upper left steel casting 6 and the upper right steel casting 7, and the stability of the support is enhanced.
The rear ends of the left longitudinal beam 9 and the right longitudinal beam 10 are respectively welded with a left rear steel casting 14 and a right rear steel casting 15, the left longitudinal beam 9 and the right longitudinal beam 10 respectively form a longitudinal beam 17 in an obtuse triangle structure with the corresponding steel castings, the vertex corresponding to the obtuse angle on each longitudinal beam 17 is positioned below, the maximum side corresponding to the obtuse angle is horizontally positioned above, the left cast steel support 4 and the right cast steel support 5 are respectively welded on the maximum sides of the longitudinal beams 17, and the obtuse angles of the two longitudinal beams 17 are connected through a second steel pipe 13.
The left rear steel casting 14 is connected with the right rear steel casting 15 through a third steel pipe 16, two ends of a second steel pipe 13 are respectively in transition splicing with the left lifting steel casting 11 and the right lifting steel casting 12, splicing positions are welded into a whole, splicing ports 20 matched with the lifting steel castings in size are respectively arranged at obtuse angles of the two longitudinal beams 17, each longitudinal beam 17 is connected with the corresponding lifting steel casting through welding, the lifting steel casting is of a fan-shaped structure, a central angle corresponding to the lifting steel casting is equal to the obtuse angle of the longitudinal beam, the stable effect of connection of the two ends of the second steel pipe 13 with the left lifting steel casting 11 and the right lifting steel casting 12 can be ensured through the splicing of the two ends of the second steel pipe 13 and the splicing positions and the connection mode of welding the splicing positions, and in addition, the splicing ports 20 matched with the lifting steel castings are arranged on the longitudinal beams 17, the effective contact area between the longitudinal beam 17 and the lifting steel casting can be increased, so that the connection stability of the longitudinal beam 17 and the lifting steel casting is improved, and the supporting effect of the second steel pipe 13 on the two longitudinal beams 17 is ensured.
The welded end surfaces of the left longitudinal beam 9 and the right longitudinal beam 10, the left rear steel casting 14 and the right rear steel casting 15 are all wave-shaped structures, the welding end surfaces are wave-shaped structures, the effective contact area between the left longitudinal beam 9 and the right longitudinal beam 10 and between the left rear steel casting 14 and the right rear steel casting 15 can be increased, the connected wave-shaped surfaces are connected through welding, and the stability of connection between the left longitudinal beam 9 and the right longitudinal beam 10 and between the left rear steel casting 14 and the right rear steel casting 15 is enhanced.
The using method of the cast steel reinforced frame of the mining dump truck comprises the following steps: firstly, a left front support 2 and a right front support 3 are welded at the front ends of a left longitudinal beam 9 and a right longitudinal beam 10 in sequence, a front bumper 1 is welded between the two left longitudinal beams 9 and the right longitudinal beam 10, so that the front bumper 1 is used for connecting and supporting the left front support 2 and the right front support 3, then a cast steel support 4 and a right cast steel support 5 are respectively welded on the upper end surfaces of the left longitudinal beam 9 and the right longitudinal beam 10, the main body of the frame is obtained through the steps, for better and faster assembly of the frame, two ends of a steel pipe I8 can be inserted into the two left upper cast steel pieces 6 and the right upper cast steel pieces 7 in advance and welded at the inserting positions, so that an independent splicing body is formed between the steel pipe I8 and the left upper cast steel pieces 6 and the right upper cast steel pieces 7, then the splicing body is connected onto the left longitudinal beam 9 and the right longitudinal beam 10, and when the splicing body is spliced, the splicing blocks 18 at the bottom ends of the left upper cast steel piece 6 and the right upper cast steel piece 7 can be spliced into the slots 19 in the upper cast steel support 4 and the right cast steel support 5 of the left longitudinal beam 9 and the right longitudinal beam 10, the splicing body and the frame main body can be conveniently installed by workers through the splicing connection of the splicing blocks 18 and the slots 19, the splicing parts of the splicing body and the slots 19 are fixed through welding, so that the stability of the connection between the splicing body and the frame main body is ensured, two ends of a steel pipe three 16 can be spliced on the left rear cast steel piece 14 and the right rear cast steel piece 15 before the frame is assembled, and the splicing body can be spliced to the rear ends of the left longitudinal beam 9 and the right longitudinal beam 10 after the frame main body is welded, the waveform end surfaces of the front ends of the left rear steel casting 14 and the right rear steel casting 15 can be butted to the waveform surfaces of the left longitudinal beam 9 and the right longitudinal beam 10 respectively, the waveform connection is fixedly connected through welding, and two splicing bodies obtained through preprocessing can be welded on the frame main body in sequence or simultaneously, so that the assembly of the frame is more convenient;
when the frame is stressed, the carriage can be supported by the left longitudinal beam 9 and the right longitudinal beam 10, the front ends above the left longitudinal beam 9 and the right longitudinal beam 10 are stressed greatly, at the moment, the left longitudinal beam 9 and the right longitudinal beam 10 can be supported by the first steel pipe 8 arranged at the main stress part, so that acting forces applied to the main stress part on the left longitudinal beam 9 and the right longitudinal beam 10 are partially offset, the bearing effect of the stress part on the left longitudinal beam 9 and the right longitudinal beam 10 is enhanced, meanwhile, the welding of the two ends of the first steel pipe 8 and the left upper cast steel part 6 and the right upper cast steel part 7 and the welding of the left upper cast steel part 6 and the right upper cast steel part 7 and the connection of the left upper cast steel part 6 and the right upper cast steel part 7 and the left upper cast steel part 9 and the right longitudinal beam 10 are respectively arranged through the left cast steel support 4 and the right cast steel support 5, so that the acting forces applied to the first steel pipe 8 and the left longitudinal beam 9, the right longitudinal beam 10 can be uniform through the upper cast steel part in an isosceles triangle structure when the steel part is stressed, The upper end surface of the right longitudinal beam 10 is transmitted to reduce the stress of the main stress parts on the left longitudinal beam 9 and the right longitudinal beam 10 and enhance the compression resistance effect of the left longitudinal beam 9 and the right longitudinal beam 10, when the main stress parts on the upper end surfaces of the left longitudinal beam 9 and the right longitudinal beam 10 are stressed, the horizontal arrangement of the upper end surfaces of the left longitudinal beam 9 and the right longitudinal beam 10 can lead the acting force on the main stressed part to be dispersed to other parts of the upper end surface, thus leading the bearing effect of the stressed parts of the left longitudinal beam 9 and the right longitudinal beam 10 to be better, can prevent the upper end surfaces of the left longitudinal beam 9 and the right longitudinal beam 10 from being damaged due to large local stress, when the frame bears cargos, the two longitudinal beams 17 can be stably connected together and stably support the cargos by connecting the second steel pipe 13 and the third steel pipe 16 with the lower ends and the rear ends of the two longitudinal beams 17 respectively, so that the overall bearing effect of the frame is enhanced.
The terminology used herein is for the purpose of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (5)
1. A cast steel reinforced frame of a mining dump truck comprises a front bumper (1), a front support and a longitudinal beam frame, wherein the rear end of the front support is connected with the longitudinal beam frame, the front support comprises a left front support (2) and a right front support (3), and the front ends of the left front support (2) and the right front support (3) are connected through the front bumper (1), the cast steel reinforced frame is characterized in that the longitudinal beam frame comprises a left longitudinal beam (9) and a right longitudinal beam (10), the rear ends of the left front support (2) and the right front support (3) are respectively welded with the front ends of the left longitudinal beam (9) and the right longitudinal beam (10), the top ends of the left longitudinal beam (9) and the right longitudinal beam (10) are respectively welded with a left cast steel support (4) and a right cast steel support (5) which are close to the front supports on the corresponding sides, and a left upper cast steel support (6) and a right upper cast steel support (7) are respectively connected on the left cast steel support (4) and the right cast steel support (5) in an inserting manner, the left upper steel casting (6) is connected with the right upper steel casting (7) through a first steel pipe (8), a left rear steel casting (14) and a right rear steel casting (15) are welded at the rear ends of the left longitudinal beam (9) and the right longitudinal beam (10) respectively, the left longitudinal beam (9) and the right longitudinal beam (10) respectively form a longitudinal beam (17) with an obtuse triangle structure with the corresponding steel casting, the vertex corresponding to the upper obtuse angle of each longitudinal beam (17) is located below, the maximum side corresponding to the obtuse angle is horizontally located above, the left cast steel support (4) and the right cast steel support (5) are welded on the maximum sides of the longitudinal beams (17) respectively, the obtuse angles of the two longitudinal beams (17) are connected through a second steel pipe (13), and the left rear steel casting (14) is connected with the right rear steel casting (15) through a third steel pipe (16).
2. The cast-steel reinforced frame for the mining dump truck according to claim 1, wherein the bottom ends of the left upper cast-steel piece (6) and the right upper cast-steel piece (7) are respectively provided with an insertion block (18) in a molding manner, the top ends of the left cast-steel support (4) and the right cast-steel support (5) are respectively provided with an insertion slot (19) which is in insertion fit with the insertion blocks, and each insertion block (18) is integrated with the corresponding insertion slot (19) through welding.
3. The cast steel reinforced frame for the mining dump truck according to claim 1, wherein the left upper cast steel piece (6) and the right upper cast steel piece (7) are of isosceles triangle structures, the top angles of the left upper cast steel piece (6) and the right upper cast steel piece (7) are located above the frame and are respectively connected with two ends of a first steel pipe (8), two ends of the first steel pipe (8) are respectively in transition splicing with the left upper cast steel piece (6) and the right upper cast steel piece (7), and the splicing positions are integrated through welding.
4. The cast steel reinforced frame for the mining dump truck according to claim 1, wherein two ends of the second steel pipe (13) are respectively in transition splicing with the left lifting steel casting (11) and the right lifting steel casting (12), splicing positions are welded into a whole, splicing ports (20) matched with the lifting steel castings in size are formed in obtuse angles of the two longitudinal beams (17), each longitudinal beam (17) is connected with the corresponding lifting steel casting through welding, the lifting steel castings are of fan-shaped structures, and central angles corresponding to the lifting steel castings are equal to obtuse angles of the longitudinal beams.
5. The cast steel reinforced frame for the mining dump truck according to claim 1, wherein the end surfaces of the left longitudinal beam (9), the right longitudinal beam (10), the left rear steel casting (14) and the right rear steel casting (15) which are welded are all wave-shaped structures.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022664272.5U CN214084441U (en) | 2020-11-17 | 2020-11-17 | Cast steel reinforced frame of mining dump truck |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022664272.5U CN214084441U (en) | 2020-11-17 | 2020-11-17 | Cast steel reinforced frame of mining dump truck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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