CN203580733U - Reinforced back-tipping self-unloading carriage of semitrailer - Google Patents
Reinforced back-tipping self-unloading carriage of semitrailer Download PDFInfo
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- CN203580733U CN203580733U CN201320698140.1U CN201320698140U CN203580733U CN 203580733 U CN203580733 U CN 203580733U CN 201320698140 U CN201320698140 U CN 201320698140U CN 203580733 U CN203580733 U CN 203580733U
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Abstract
The utility model provides a reinforced back-tipping self-unloading carriage of a semitrailer. The carriage comprises an auxiliary frame and a main frame, wherein the auxiliary frame is fixedly connected with the bottom plate of a carriage body; the tail end of the main frame is hinged to the tail end of the auxiliary frame through a pin shaft; the auxiliary frame and the main frame are gooseneck-shaped. The carriage is different from the prior art in that the auxiliary frame comprises a plurality of auxiliary longitudinal beams and a plurality of auxiliary transverse beams; the auxiliary longitudinal beams and the auxiliary transverse beams are welded together; the auxiliary transverse beams positioned on the rear part of the auxiliary frame are continuous steel beams; the auxiliary longitudinal beams are distributed between the auxiliary transverse beams at intervals. Though the amplitude caused by left and right bump of the carriage is the highest on the edge of the rear part of the auxiliary frame and the caused impact is applied to the two ends of the transverse beams, the whole impact is uniformly distributed to the whole auxiliary transverse beams due to the fact that the auxiliary transverse beams are continuous steel beams and a welding slot is not formed, the phenomenon that the auxiliary transverse beams are broken when fatigue limit is reached at the welding slot is not easy to cause, and problems which are not solved for a long time in the field are solved.
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, comprise that many manufacturers of applicant have all given more concern, with the object reaching safely, stable, Duola hurries up.But the compartment that turns over dumping car after existing semi-mounted generally all comprises sub-frame, body frame, sub-frame and envelope base plate are fixed, the tail end of sub-frame and the tail end of body frame are hinged by bearing pin, and head end, the middle part by one or more oil cylinder lifting sub-frame makes whole envelope turn over self-unloading after bearing pin upset realizes.
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 after maximum height, be not easy to turn on one's side when compartment head end elevate a turnable ladder.But in actual job process, road conditions are ever-changing, under extreme case, contingency is turned 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 bearing pin hinged 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 need to pay high service expenditure, and the body frame after repairing is compared decline greatly with the structural strength of original design, thereby the potential safety hazard of burying, severe one 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, thereby to reduce the height of bearing goods, the barycenter of compartment integral body is declined, under equal road conditions, double swerve is light, greatly alleviate the infringement to vehicle body, suspension and tire, extended the service life of vehicle.But this structure still has further improved space, the barycenter of compartment integral body can also further reduce.
Theoretical according to experience and machine design, at present sub-frame structure generally adopts the main stressed longeron of conduct of two or three elongated channel-section steels or square steel, then on longeron, welds some crossbeams and form framed structures and load with to bear, and the acting point of elevate a turnable ladder master cylinder also mainly drops on these two or three longerons (seeing accompanying drawing 3).This design concept is not wrong, yet do not consider in the middle of actual shipment, due to reasons such as road conditions, compartment is whole can be upper and lower, 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 (by bus time) frontly shake rear rolling, the middle a heatable brick bed of sitting, because rear portion is loaded with very large, the amplitude jolting in left and right is also maximum, the impulsive force causing 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 to solve the above-mentioned defect that prior art exists just, after being provided, a kind of semi-mounted of heavier-duty turns over self-discharging carriage, 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 fixed with envelope base plate, its end and sub-frame end are by the hinged body frame of bearing pin, and wherein sub-frame is comprised of lower than sub-frame rear portion and the connection sub-frame excessive portion of sub-frame anterior and sub-frame rear portion of sub-frame front portion sub-frame front portion, horizontal surface, and integral body is gooseneck shape; Body frame also, horizontal surface anterior by body frame forms lower than body frame rear portion and the connection body frame excessive portion of body frame anterior and body frame rear portion of body frame front portion, and integral body is also gooseneck shape; Described sub-frame comprises some auxiliary longerons and some auxiliary crossbeams unlike the prior art, and auxiliary crossbeam is together with auxiliary longitudinal beam welding, and the auxiliary crossbeam that is 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 causing is maximum at the edge at sub-frame rear portion, the impact force action causing 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, the situation that is not easy to cause commissure to reach fatigue limit and ruptures, has solved this area unsolved difficult problem of a specified duration.
The semi-trailer tipping vehicle railway carriage or compartment of this heavier-duty, comprise the sub-frame fixed with envelope base plate, its end and sub-frame end are by the hinged body frame of bearing pin, wherein sub-frame is comprised of lower than sub-frame rear portion and the connection sub-frame excessive portion of sub-frame anterior and sub-frame rear portion of sub-frame front portion sub-frame front portion, horizontal surface, and integral body is gooseneck shape; Body frame also, horizontal surface anterior by body frame forms lower than body frame rear portion and the connection body frame excessive portion of body frame anterior and body frame rear portion of body frame front portion, and integral body is also gooseneck shape; Two, body frame rear portion main longitudinal grider is consolidated by upper cover plate and the lower cover near bearing pin.Near bearing pin, formed like this casing, 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 be loaded with larger vertical load, and can resist larger horizontal load and distortion power.Thereby as after vehicle body rollover, the body frame distortion that still can not be distorted, by still normally travelling after vehicle body righting, has reduced maintenance cost, increases the service life under extreme case.
The semi-trailer tipping vehicle railway carriage or compartment of this heavier-duty, comprise the sub-frame fixed with envelope base plate, its end and sub-frame end are by the hinged body frame of bearing pin, wherein sub-frame is comprised of lower than sub-frame rear portion and the connection sub-frame excessive portion of sub-frame anterior and sub-frame rear portion of sub-frame front portion sub-frame front portion, horizontal surface, and integral body is gooseneck shape; Body frame also, horizontal surface anterior by body frame forms lower than body frame rear portion and the connection body frame excessive portion of body frame anterior and body frame rear portion of body frame front portion, and integral body is also gooseneck shape; Within two main longitudinal griders of body frame front portion are embedded in the embedding groove of auxiliary longeron of sub-frame front portion, the width of embedding groove is greater than the width of main longitudinal grider.Owing to drawing the sheave height of the self-propelled vehicle of compartment walking, fix, the height of the body frame front portion therefore coordinating with sheave is fixed, adopt this technical scheme, can make decline the again distance of maximum auxiliary longeron height of sub-frame front portion, thereby whole compartment barycenter is declined again, and under equal road conditions, double swerve alleviates, greatly alleviate the infringement to vehicle body, suspension and tire, extended the service life of vehicle.
As preferably, described envelope base plate is less than at the width that is positioned at described sub-frame front portion the width that is positioned at described sub-frame rear portion, and integral body is isosceles trapezoid.Not only be beneficial to easily unloading fast of institute's cargo, even if road surface is slightly uneven in addition, also can make the vertical line of the compartment envelope outer rim after elevate a turnable ladder be no more than the namely line of wheel of fulcrum, difficult rollover is toppled.
As preferably, be positioned at the fixing main elevate a turnable ladder oil cylinder in the free end center of described sub-frame front portion and the free end center of body frame front portion, near place, the excessive portion of sub-frame both sides and close this projection place that is in both sides, body frame rear portion, fixing respectively two auxiliary elevate a turnable ladder oil cylinders.Three oil cylinders have formed a firm triangle, have not only strengthened hoisting force, can also guarantee the stable of compartment envelope, are more difficult for rollover and topple.
As preferably, in the crossbeam of sub-frame or longeron, partly adopt hollow square steel and mutually connect, and at front end, ventilation inlet being set, in rear end, set out air port, ventilation inlet is connected with the hot-blast outlet of tractor truck.In the time of so in the winter time, the unnecessary heat radiation heat of tractor truck can be delivered to envelope base plate by crossbeam, longeron, avoids after with the goods of moisture, for example sand freezes 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.
The specific embodiment
Referring to accompanying drawing.
Embodiment one
Other same prior art, only adjacent two main longitudinal griders 231 in body frame rear portion 23 are consolidated by upper cover plate 233 and lower cover 234 near bearing pin 3.
Embodiment two
Other same prior art, only the auxiliary crossbeam 132 at sub-frame rear portion 13 is elongated, 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, connect, and at front end, ventilation inlet is set before and after two longerons wherein, in rear end, set out air port, ventilation inlet is connected with the hot-blast outlet of tractor truck.Sub-frame 1 is comprised of lower than sub-frame rear portion 13 and the connection sub-frame excessive portion 12 of sub-frame anterior and sub-frame rear portion of sub-frame front portion sub-frame front portion 11, horizontal surface, and integral body is 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, auxiliary crossbeam 132 and auxiliary longeron 131 weld togethers, wherein auxiliary crossbeam 132 is elongated, auxiliary longeron 131 is distributed between auxiliary crossbeam 132.
Body frame 2 is also comprised of lower than body frame rear portion 23 and the connection body frame excessive portion 22 of body frame anterior and body frame rear portion of body frame front portion body frame front portion 21, horizontal surface, and integral body is also gooseneck shape; Other same prior art, only adjacent two main longitudinal griders 231 in body frame rear portion 23 are consolidated by upper cover plate 233 and lower cover 234 near bearing pin 3.
The bearing pin 3 that sub-frame 1 end arranges by attaching parts and body frame 2 ends 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 of 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, near 12 liang of side positions of the excessive portion of sub-frame with when the free end elevate a turnable ladder of sub-frame front portion 11, is fixing respectively two auxiliary elevate a turnable ladder oil cylinders 5 during to maximum height near this position in projection place of 23 both sides, body frame rear portion.
Envelope base plate is cemented on sub-frame 1, and envelope base plate is less than the width that is positioned at sub-frame rear portion 13 at the width that is positioned at sub-frame front portion 11, and integral body is isosceles trapezoid.
Claims (6)
1. the semi-trailer tipping vehicle railway carriage or compartment of a heavier-duty, comprise the sub-frame fixed with envelope base plate (1), its end and sub-frame (1) end is by the hinged body frame (2) of bearing pin (3), wherein sub-frame (1) is comprised of lower than sub-frame rear portion (13) and the connection sub-frame excessive portion of sub-frame (12) anterior and sub-frame rear portion of sub-frame front portion sub-frame anterior (11), horizontal surface, and integral body is gooseneck shape; Body frame (2) is also comprised of lower than body frame rear portion (23) and the connection body frame excessive portion of body frame (22) anterior and body frame rear portion of body frame front portion body frame anterior (21), horizontal surface, and integral body is also gooseneck shape; It is characterized in that 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 that is 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 heavier-duty, comprise the sub-frame fixed with envelope base plate (1), its end and sub-frame (1) end is by the hinged body frame (2) of bearing pin (3), wherein sub-frame (1) is comprised of lower than sub-frame rear portion (13) and the connection sub-frame excessive portion of sub-frame (12) anterior and sub-frame rear portion of sub-frame front portion sub-frame anterior (11), horizontal surface, and integral body is gooseneck shape; Body frame (2) is also comprised of lower than body frame rear portion (23) and the connection body frame excessive portion of body frame (22) anterior and body frame rear portion of body frame front portion body frame anterior (21), horizontal surface, and integral body is also gooseneck shape; It is characterized in that (23) two main longitudinal griders in body frame rear portion (231) are consolidated by upper cover plate (233) and lower cover (234) near bearing pin (3).
3. the semi-trailer tipping vehicle railway carriage or compartment of a heavier-duty, comprise the sub-frame fixed with envelope base plate (1), its end and sub-frame (1) end is by the hinged body frame (2) of bearing pin (3), wherein sub-frame (1) is comprised of lower than sub-frame rear portion (13) and the connection sub-frame excessive portion of sub-frame (12) anterior and sub-frame rear portion of sub-frame front portion sub-frame anterior (11), horizontal surface, and integral body is gooseneck shape; Body frame (2) is also comprised of lower than body frame rear portion (23) and the connection body frame excessive portion of body frame (22) anterior and body frame rear portion of body frame front portion body frame anterior (21), horizontal surface, and integral body is also gooseneck shape; Within two main longitudinal griders (211) that it is characterized in that body frame anterior (21) are embedded in the embedding groove of auxiliary longeron (111) of sub-frame front portion (11), the width of embedding groove (H1) is greater than the width (H2) of main longitudinal grider.
4. the semi-trailer tipping vehicle railway carriage or compartment of the arbitrary a kind of heavier-duty of claim 1-3, is characterized in that described envelope base plate is less than at the width that is positioned at described sub-frame anterior (11) width that is positioned at described sub-frame rear portion (13), and integral body is isosceles trapezoid.
5. the semi-trailer tipping vehicle railway carriage or compartment of the arbitrary a kind of heavier-duty of claim 1-3, it is characterized in that being positioned at the free end center of described sub-frame anterior (11) and the fixing main elevate a turnable ladder oil cylinder (4) in free end center of body frame anterior (21), near sub-frame excessive portion (12) two side positions with when the free end elevate a turnable ladder of sub-frame front portion (11), near this position, in projection place of both sides, body frame rear portion (23), fixing respectively two auxiliary elevate a turnable ladder oil cylinders (5) during to maximum height.
6. the semi-trailer tipping vehicle railway carriage or compartment of the arbitrary a kind of heavier-duty of claim 1-3, it is characterized in that in the crossbeam of sub-frame (1) or longeron, part adopts hollow square steel and mutually connects, and at front end, ventilation inlet is set, and in rear end, setting out air port, ventilation inlet is connected with the hot-blast outlet of tractor truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320698140.1U CN203580733U (en) | 2013-11-07 | 2013-11-07 | Reinforced back-tipping self-unloading carriage of semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320698140.1U CN203580733U (en) | 2013-11-07 | 2013-11-07 | Reinforced back-tipping self-unloading carriage of semitrailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203580733U true CN203580733U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320698140.1U Expired - Fee Related CN203580733U (en) | 2013-11-07 | 2013-11-07 | Reinforced back-tipping self-unloading carriage of semitrailer |
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| CN (1) | CN203580733U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612584A (en) * | 2013-11-07 | 2014-03-05 | 王东文 | Reinforced semitrailer back-tipping carriage |
| CN108638935A (en) * | 2018-05-17 | 2018-10-12 | 柳州乘龙专用车有限公司 | Multipurpose self-discharging semitrailer |
-
2013
- 2013-11-07 CN CN201320698140.1U patent/CN203580733U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612584A (en) * | 2013-11-07 | 2014-03-05 | 王东文 | Reinforced semitrailer back-tipping carriage |
| CN103612584B (en) * | 2013-11-07 | 2015-09-09 | 王东文 | Self-discharging carriage is turned over after a kind of semi-mounted of heavier-duty |
| CN108638935A (en) * | 2018-05-17 | 2018-10-12 | 柳州乘龙专用车有限公司 | Multipurpose self-discharging semitrailer |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20161107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |