CN103612584B - Self-discharging carriage is turned over after a kind of semi-mounted of heavier-duty - Google Patents
Self-discharging carriage is turned over after a kind of semi-mounted of heavier-duty Download PDFInfo
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- CN103612584B CN103612584B CN201310545553.0A CN201310545553A CN103612584B CN 103612584 B CN103612584 B CN 103612584B CN 201310545553 A CN201310545553 A CN 201310545553A CN 103612584 B CN103612584 B CN 103612584B
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Abstract
The invention discloses a kind of semi-trailer tipping vehicle railway carriage or compartment of heavier-duty, comprise the sub-frame with envelope base plate consolidation, its end and sub-frame end are by the body frame of hinge, wherein sub-frame is made up of lower than the sub-frame rear portion of sub-frame front portion and the excessive portion of sub-frame at connection sub-frame front portion and sub-frame rear portion sub-frame front portion, horizontal surface, and overall is gooseneck shape; Body frame also, horizontal surface anterior by body frame forms lower than the body frame rear portion of body frame front portion and the excessive portion of body frame at connection body frame front portion and body frame rear portion, and entirety is also in gooseneck shape; It is characterized in that two, body frame rear portion main longitudinal grider is by being consolidated near the upper cover plate of bearing pin and lower cover.Compared with prior art, this structure can not only load with larger vertical load, and can resist larger horizontal load and distortion power.Thus in extreme circumstances as after vehicle body rollover, body frame still can not be distorted distortion, still normally can travel, reduce maintenance cost, increase the service life after vehicle body righting.
Description
Technical field
The present invention relates to trailer, be specifically related to a kind of compartment of superimposed trailer.
Background technology
For the carriage body construction of superimposed trailer, the many manufacturers comprising applicant all give more concern, with the object reaching safely, stablize, Duola hurries up.But the compartment turning over dumping car after existing semi-mounted generally all comprises sub-frame, body frame, sub-frame and envelope base plate consolidation, the tail end of sub-frame and the tail end of body frame, by hinge, make whole envelope turn over self-unloading after bearing pin upset realizes by the head end of one or more oil cylinder lifting sub-frame, middle part.
As applicant once disclosed a kind of semi-trailer rear-dumping dump truck body with notification number CN201169302Y, its compartment is beloid structure, not only convenient unloading, and when being not easy rollover after compartment head end elevate a turnable ladder to maximum height.But road conditions are ever-changing in actual job process, in extreme circumstances just in case turn on one's side, the destructive force that the tail end of sub-frame and the tail end of body frame are subject to by hinge place is maximum, existing main frame structure is not enough to deal with this situation, body frame longeron is unavoidably distorted herein and even ruptures, and the lighter needs to pay high service expenditure, and the body frame after repairing greatly can decline compared with the structural strength of original design, bury potential safety hazard, severe one then body frame is scrapped completely.
Applicant once disclosed a kind of semi-mounted back-turning self-discharging vehicle underpan with notification number CN201109447Y, existing straight formula body frame longeron is modified into gooseneck type, to reduce the height of bearing goods thus to make the barycenter of compartment entirety decline, under equal road conditions, double swerve is light, significantly reduce the infringement to vehicle body, suspension and tire, extend the service life of vehicle.But this structure still has the space of improving further, the barycenter of compartment entirety can also reduce further.
Empirically theoretical with machine design, current sub-frame structure generally adopt two or three elongated channel-section steels or square steel as mainly stressed longeron, then on longeron, weld some crossbeams and form framed structures and load with to bear, the acting point of elevate a turnable ladder master cylinder also mainly drops on these two or three longerons (see accompanying drawing 3).This design concept is not wrong, but do not consider in the middle of actual shipment, due to reasons such as road conditions, compartment entirety can be up and down, jolt in left and right, because the rear horizontal face in compartment is lower than front portion, therefore after lade, the load at rear portion is larger, as the saying goes (time by bus) frontly shake rear rolling, middle seat a heatable brick bed, because rear portion is loaded with very large, the amplitude jolted in left and right is also maximum, the impulsive force caused is also maximum, this maximum impact force acts on the free end of longeron both sides, sub-frame rear portion crossbeam, finally be delivered to the commissure of longeron and crossbeam, and this place is the junction of two kinds of beams, internal stress is also maximum, for weak link, through not long-time, commissure reaches fatigue limit, be easy to rupture from here, this is also this area unsolved difficult problem of a specified duration.
Summary of the invention
Object of the present invention is the above-mentioned defect solving prior art existence just, self-discharging carriage is turned over after a kind of semi-mounted of heavier-duty is provided, for this reason, technical scheme disclosed by the invention is: the semi-trailer tipping vehicle railway carriage or compartment of this heavier-duty, comprise the sub-frame with envelope base plate consolidation, its end and sub-frame end by the body frame of hinge, wherein sub-frame, horizontal surface anterior by sub-frame lower than sub-frame front portion sub-frame rear portion and connect that sub-frame is anterior to be formed with the excessive portion of sub-frame at sub-frame rear portion, overall in gooseneck shape; Body frame also, horizontal surface anterior by body frame forms lower than the body frame rear portion of body frame front portion and the excessive portion of body frame at connection body frame front portion and body frame rear portion, and entirety is also in gooseneck shape; Two, body frame rear portion main longitudinal grider is by being consolidated near the upper cover plate of bearing pin and lower cover unlike the prior art.Near bearing pin, constitute a casing like this, be similar to architectural frame shear wall structure, main longitudinal grider and main beam are equivalent to framework, and upper cover plate and lower cover are equivalent to shear wall.This structure can not only load with larger vertical load, and can resist larger horizontal load and distortion power.Thus in extreme circumstances as after vehicle body rollover, body frame still can not be distorted distortion, still normally can travel, reduce maintenance cost, increase the service life after vehicle body righting.
Further, described sub-frame comprises some auxiliary longerons and some auxiliary crossbeams, and auxiliary crossbeam is together with auxiliary longitudinal beam welding, and the auxiliary crossbeam being wherein positioned at sub-frame rear portion is elongated, and auxiliary longeron is distributed between auxiliary crossbeam.Although jolt in the left and right in compartment, the amplitude caused is maximum at the edge at sub-frame rear portion, the impact force action caused is in the two ends of crossbeam, because auxiliary crossbeam is elongated, there is not weld seam, therefore whole impulsive force can be shared out equally on whole auxiliary crossbeam, be not easy to cause commissure to reach fatigue limit and situation about rupturing, solve this area unsolved difficult problem of a specified duration.
Again further, two main longitudinal griders of body frame front portion are embedded within the embedding groove of auxiliary longeron of sub-frame front portion, and the width of embedding groove is greater than the width of main longitudinal grider.Because the sheave height of the self-propelled vehicle of traction compartment walking is fixing, therefore the height carrying out the body frame front portion coordinated with sheave is fixing, adopt this technical scheme, the distance of the anterior maximum auxiliary longeron height that declines again of sub-frame can be made, thus whole compartment barycenter is declined again, under equal road conditions, double swerve alleviates, significantly reduce the infringement to vehicle body, suspension and tire, extend the service life of vehicle.
As preferably, the width that described envelope base plate is being positioned at described sub-frame front portion is less than the width being positioned at described sub-frame rear portion, overall in isosceles trapezoid.Not only be beneficial to the easy rapid removal of institute's cargo, even if road surface is slightly uneven in addition, the vertical line of the car body outer rim after also making elevate a turnable ladder is no more than the line of fulcrum i.e. wheel, and not easily rollover is toppled.
As preferably, main elevate a turnable ladder oil cylinder is fixed in the free end center of the free end center and body frame front portion that are positioned at described sub-frame front portion, is fixing two auxiliary elevate a turnable ladder oil cylinders respectively near both sides place of sub-frame excessive portion with near this projection place being in both sides, body frame rear portion.Three oil cylinders constitute a firm triangle, not only increase hoisting force, can also ensure the stable of car body, and more not easily rollover is toppled.
As preferably, in the crossbeam of sub-frame or longeron, part adopts hollow square steel and mutually through, and arranges ventilation inlet in front end, and set out air port in rear end, ventilation inlet is connected with the hot-blast outlet of tractor truck.Time so in the winter time, the unnecessary heat radiation heat of tractor truck can be delivered to envelope base plate by crossbeam, longeron, avoids the goods such as sand with moisture to freeze rear and the adhesion of envelope base plate, facilitates unloading of goods.
Accompanying drawing explanation
Fig. 1 is constitutional formula schematic diagram of the present invention;
Fig. 2 is main frame structure formula schematic diagram of the present invention;
Fig. 3 is the partial bottom view that Fig. 2 draws frame place;
Fig. 4 is sub-frame constitutional formula schematic diagram of the present invention;
Fig. 5 is the birds-eye view of Fig. 4;
Fig. 6 is the constitutional formula schematic diagram that body frame of the present invention combines with sub-frame;
Fig. 7 is the partial left side view that Fig. 6 draws frame place.
Detailed description of the invention
See accompanying drawing.
Embodiment one
Other same prior art, only adjacent two main longitudinal griders in body frame rear portion 23 231 are by being consolidated near the upper cover plate 233 of bearing pin 3 and lower cover 234.
Embodiment two
Other same prior art, only the auxiliary crossbeam 132 at sub-frame rear portion 13 is elongated, and auxiliary longeron 131 is distributed between auxiliary crossbeam 132.
Embodiment three
Other is with embodiment one or embodiment two, and only the auxiliary longeron 111 of sub-frame front portion 11 is the structure with embedding groove, and the width H1 of embedding groove is greater than the width H2 of the main longitudinal grider 211 of body frame front portion 21, and main longitudinal grider 211 is embedded in embedding groove.
Embodiment four
Adopt hollow square steel welding sub-frame 1, through before and after two longerons wherein, and ventilation inlet is set in front end, set out air port in rear end, ventilation inlet is connected with the hot-blast outlet of tractor truck.Sub-frame 1 is made up of lower than the sub-frame rear portion 13 of sub-frame front portion and the excessive portion 12 of sub-frame at connection sub-frame front portion and sub-frame rear portion sub-frame front portion 11, horizontal surface, overall in gooseneck shape; The anterior 11 same prior aries of sub-frame, sub-frame rear portion 13 comprises some auxiliary crossbeams 132 and auxiliary longeron 131, and auxiliary crossbeam 132 and auxiliary longeron 131 weld together, wherein auxiliary crossbeam 132 is elongated, and auxiliary longeron 131 is distributed between auxiliary crossbeam 132.
Body frame 2 is also made up of lower than the body frame rear portion 23 of body frame front portion and the excessive portion 22 of body frame at connection body frame front portion and body frame rear portion body frame front portion 21, horizontal surface, and entirety is also in gooseneck shape; Other same prior art, only adjacent two main longitudinal griders in body frame rear portion 23 231 are by being consolidated near the upper cover plate 233 of bearing pin 3 and lower cover 234.
The bearing pin 3 that sub-frame 1 end is arranged by attaching parts and body frame 2 end is hinged, the auxiliary longeron 111 of sub-frame front portion 11 is the structure with embedding groove, the width h1 of embedding groove is greater than the width h2 of the main longitudinal grider 211 in the strong portion 21 of body frame, and this main longitudinal grider 211 is embedded in embedding groove.Main elevate a turnable ladder oil cylinder 4 is fixed by adaptor in the free end center of sub-frame front portion 11 and the free end center of body frame front portion 21, at close 12 liang, the excessive portion of sub-frame side position with when the free end elevate a turnable ladder of sub-frame front portion 11 respectively fixes two auxiliary elevate a turnable ladder oil cylinders 5 near this position in projection place of both sides, body frame rear portion 23 to during maximum height.
Envelope base plate is cemented on sub-frame 1, and envelope base plate is less than the width being positioned at sub-frame rear portion 13 at the width being positioned at sub-frame front portion 11, overall in isosceles trapezoid.
Claims (5)
1. the semi-trailer tipping vehicle railway carriage or compartment of a heavier-duty, comprise and the sub-frame of envelope base plate consolidation (1), its end and sub-frame (1) end pass through the hinged body frame (2) of bearing pin (3), wherein sub-frame (1) is made up of lower than the sub-frame rear portion (13) of sub-frame front portion and the excessive portion of sub-frame (12) at connection sub-frame front portion and sub-frame rear portion sub-frame front portion (11), horizontal surface, overall in gooseneck shape; Body frame (2) is also made up of lower than the body frame rear portion (23) of body frame front portion and the excessive portion of body frame (22) at connection body frame front portion and body frame rear portion body frame front portion (21), horizontal surface, and entirety is also in gooseneck shape; It is characterized in that (23) two, body frame rear portion main longitudinal grider (231) is by being consolidated near the upper cover plate (233) of bearing pin (3) and lower cover (234), described sub-frame (1) comprises some auxiliary longerons (131) and some auxiliary crossbeams (132), auxiliary crossbeam (132) and auxiliary longeron (131) weld together, the auxiliary crossbeam being wherein positioned at sub-frame rear portion (13) is elongated, and auxiliary longeron is distributed between auxiliary crossbeam.
2. the semi-trailer tipping vehicle railway carriage or compartment of a kind of heavier-duty of claim 1, it is characterized in that two main longitudinal griders (211) of body frame front portion (21) are embedded within the embedding groove of auxiliary longeron (111) of sub-frame front portion (11), the width (H1) of embedding groove is greater than the width (H2) of main longitudinal grider.
3. the semi-trailer tipping vehicle railway carriage or compartment of a kind of heavier-duty that claim 1-2 is arbitrary, is characterized in that the width that described envelope base plate is being positioned at described sub-frame front portion (11) is less than the width being positioned at described sub-frame rear portion (13), overall in isosceles trapezoid.
4. the semi-trailer tipping vehicle railway carriage or compartment of a kind of heavier-duty that claim 1-2 is arbitrary, it is characterized in that fixing main elevate a turnable ladder oil cylinder (4) in the free end center of the free end center and body frame front portion (21) that are positioned at described sub-frame front portion (11), at the close excessive portion of sub-frame (12) two side position with when the free end elevate a turnable ladder of sub-frame front portion (11) respectively fixes two auxiliary elevate a turnable ladder oil cylinders (5) near this position in projection place of body frame rear portion (23) both sides to during maximum height.
5. the semi-trailer tipping vehicle railway carriage or compartment of a kind of heavier-duty that claim 1-2 is arbitrary, to it is characterized in that in the crossbeam of sub-frame (1) or longeron that part adopts hollow square steel and mutually through, and ventilation inlet is set in front end, set out air port in rear end, ventilation inlet is connected with the hot-blast outlet of tractor truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310545553.0A CN103612584B (en) | 2013-11-07 | 2013-11-07 | Self-discharging carriage is turned over after a kind of semi-mounted of heavier-duty |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310545553.0A CN103612584B (en) | 2013-11-07 | 2013-11-07 | Self-discharging carriage is turned over after a kind of semi-mounted of heavier-duty |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103612584A CN103612584A (en) | 2014-03-05 |
| CN103612584B true CN103612584B (en) | 2015-09-09 |
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| CN201310545553.0A Active CN103612584B (en) | 2013-11-07 | 2013-11-07 | Self-discharging carriage is turned over after a kind of semi-mounted of heavier-duty |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106828279A (en) * | 2017-03-05 | 2017-06-13 | 荆门创佳机械科技有限公司 | A kind of insulation automatic carriage cover of bituminous concrete dumper |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107364383A (en) * | 2017-08-29 | 2017-11-21 | 石嘴山市宁众运输有限公司 | A kind of freight and its loading platform |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1080988A1 (en) * | 1999-09-06 | 2001-03-07 | Frank Steiner | Tipping vehicle |
| CN2747099Y (en) * | 2004-09-16 | 2005-12-21 | 盛骏 | Self-unloading container semi-trailer |
| CN201619495U (en) * | 2010-01-10 | 2010-11-03 | 王东文 | Tip-back semitrailer with auxiliary unloading device |
| CN202063060U (en) * | 2011-05-08 | 2011-12-07 | 王东文 | Auxiliary hoisting device for self-unloading semi-trailer |
| CN102774307A (en) * | 2012-08-13 | 2012-11-14 | 柳州延龙汽车有限公司 | Dump truck easy for replacing carriage |
| CN203580733U (en) * | 2013-11-07 | 2014-05-07 | 王东文 | Reinforced back-tipping self-unloading carriage of semitrailer |
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2013
- 2013-11-07 CN CN201310545553.0A patent/CN103612584B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1080988A1 (en) * | 1999-09-06 | 2001-03-07 | Frank Steiner | Tipping vehicle |
| CN2747099Y (en) * | 2004-09-16 | 2005-12-21 | 盛骏 | Self-unloading container semi-trailer |
| CN201619495U (en) * | 2010-01-10 | 2010-11-03 | 王东文 | Tip-back semitrailer with auxiliary unloading device |
| CN202063060U (en) * | 2011-05-08 | 2011-12-07 | 王东文 | Auxiliary hoisting device for self-unloading semi-trailer |
| CN102774307A (en) * | 2012-08-13 | 2012-11-14 | 柳州延龙汽车有限公司 | Dump truck easy for replacing carriage |
| CN203580733U (en) * | 2013-11-07 | 2014-05-07 | 王东文 | Reinforced back-tipping self-unloading carriage of semitrailer |
Non-Patent Citations (1)
| Title |
|---|
| 分体式车厢三向卸货自卸车稳定性研究;吕庆洲;《工程机械》;20120430;第43卷(第4期);第34-37页 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106828279A (en) * | 2017-03-05 | 2017-06-13 | 荆门创佳机械科技有限公司 | A kind of insulation automatic carriage cover of bituminous concrete dumper |
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| Publication number | Publication date |
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| CN103612584A (en) | 2014-03-05 |
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