CN112224284B - Semitrailer longitudinal beam and semitrailer thereof - Google Patents
Semitrailer longitudinal beam and semitrailer thereof Download PDFInfo
- Publication number
- CN112224284B CN112224284B CN202011150713.8A CN202011150713A CN112224284B CN 112224284 B CN112224284 B CN 112224284B CN 202011150713 A CN202011150713 A CN 202011150713A CN 112224284 B CN112224284 B CN 112224284B
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- Prior art keywords
- supporting rod
- web plate
- sleeve
- wing plate
- plate
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 5
- 244000261422 Lysimachia clethroides Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D53/00—Tractor-trailer combinations; Road trains
- B62D53/04—Tractor-trailer combinations; Road trains comprising a vehicle carrying an essential part of the other vehicle's load by having supporting means for the front or rear part of the other vehicle
- B62D53/06—Semi-trailers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention discloses a semi-trailer longitudinal beam and a semi-trailer thereof, which comprise an upper wing plate, a rotating rod, a sleeve, a reinforcing rib, a threaded rod, a supporting rod, a movable bolt, a front lower wing plate, a rear web plate, a rear lower wing plate, a front inner web plate, a front outer web plate, a hollow shaft, a through groove, a clamping groove, a limiting pin, a guide block and a sliding column. According to the invention, the rotating rod drives the limiting pin (16) to move through the guide block, so that the limiting pin (16) is separated from the clamping groove formed on the inner side wall of the sleeve, the sleeve is pulled, the sleeve moves a certain distance in the horizontal direction, the sleeve is rotated, the sleeve drives the supporting rod to rotate, after the supporting rod rotates, the supporting rod is pulled again, the bottom end of the supporting rod is contacted with the ground, the supporting rod in the middle position is pulled again, and the supporting rod is moved to be contacted with the supporting rod at the outer side, so that the clamping groove on the supporting rod is clamped and matched, the supporting strength of the longitudinal beam is improved well, the problem of short and weak longitudinal beam of the semi-trailer is solved well, and the practicability is enhanced.
Description
Technical Field
The invention relates to a semi-trailer longitudinal beam, in particular to a semi-trailer longitudinal beam and a semi-trailer thereof, and belongs to the technical field of semi-trailers.
Background
In order to reduce the height of the loading surface of the container transportation semi-trailer, the national standard prescribes the total height of the gooseneck of the container transportation semi-trailer to be not more than 90 mm, and the height of the longitudinal beam is small, so that the longitudinal beam as the main bearing needs to be structurally improved to ensure the strength of the longitudinal beam, and the common structure in the market adopts the structure that the strength of the frame is improved by increasing the number of the longitudinal beams or by the upper cover plate and the lower cover plate of the frame of the auxiliary gooseneck, so that the mode has the defect of poor manufacturability. Therefore, a semitrailer longitudinal beam and a semitrailer thereof are proposed for the above problems.
Disclosure of Invention
The invention aims to solve the problems and provide a semi-trailer longitudinal beam and a semi-trailer thereof.
The technical scheme is that the longitudinal beam of the semi-trailer and the semi-trailer thereof comprise an upper wing plate, wherein the bottom end of the upper wing plate is sequentially provided with a front inner web plate, a front outer web plate and a rear web plate from left to right, the front inner web plate and the front outer web plate are arranged in parallel, the bottom ends of the front inner web plate and the front outer web plate are fixedly connected with the same front lower wing plate, one end of the front lower wing plate is fixedly connected with a rear lower wing plate, the top end of the rear lower wing plate is connected with the bottom end of the rear web plate, the front inner web plate, the front outer web plate and the side wall of the rear web plate are fixedly connected with hollow shafts which are horizontally arranged, the surfaces of the hollow shafts are respectively in running fit with a sleeve, the sleeve is provided with a slide post through a sliding groove which is arranged on the inner side wall of the sleeve, the slide post is fixedly connected with a supporting rod, one end of the supporting rod is provided with two clamping grooves which are arranged in parallel, one end of the sleeve is provided with a through groove, and the inner side of the hollow shaft is provided with a limiting component which limits the position of the sleeve.
Preferably, the limiting component consists of a rotating rod, a guide block and four limiting pins which are distributed in a central symmetry mode, wherein the rotating rod is rotatably matched on the inner side wall of the hollow shaft, the guide block is arranged on the rotating rod, the limiting pins are slidably matched on the outer edge of the guide block, and the tail ends of the limiting pins penetrate through the inner wall of the hollow shaft and are matched with clamping grooves formed in the inner side wall of the sleeve in a clamping mode.
Preferably, the surface of the sleeve is in threaded connection with a threaded rod corresponding to a threaded groove formed in one end of the sliding column.
Preferably, the upper wing plate is composed of a wide section and a narrow section which are integrally formed, the bottom end of the wide section is connected with the front inner web and the front outer web, and the bottom end of the narrow section is connected with the rear web.
Preferably, one end of the supporting rod is connected with a movable bolt corresponding to the thread groove formed in the inner side wall of the clamping groove in a threaded manner.
Preferably, the front inner web, the front outer web and the rear web side walls are fixedly connected with reinforcing ribs.
The beneficial effects of the invention are as follows:
through making the bull stick drive the spacer pin through the guide block and remove to make the spacer pin and offer the draw-in groove separation on the sleeve pipe inside wall, the pulling sleeve pipe again makes the sleeve pipe remove a section distance in the horizontal direction, the rethread sleeve pipe makes the sleeve pipe drive the bracing piece rotate, after the bracing piece rotation degree, the pulling bracing piece again makes bracing piece bottom and ground contact, the bracing piece of pulling intermediate position again, make the bracing piece remove to contact with outside bracing piece, thereby draw-in groove joint cooperation on the messenger bracing piece, the rethread movable bolt, make movable bolt fix the bracing piece, the threaded rod is rotated again, make threaded rod and the screw groove threaded connection on the strut, so that the support strength of longeron has been improved that can be better, very big improvement life, the practicality has also been strengthened simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the front inner web, front outer web, and rear web connection bottom view of the present invention;
FIG. 3 is a schematic top view of a bushing connection according to the present invention;
fig. 4 is a schematic diagram of a cross-sectional structure of the connection side of the sleeve of the present invention.
In the figure: 1. the upper wing plate, 2, the rotating rod, 3, the sleeve, 4, the reinforcing rib, 5, the threaded rod, 6, the supporting rod, 7, the movable bolt, 8, the front lower wing plate, 9, the rear web plate, 10, the rear lower wing plate, 11, the front inner web plate, 12, the front outer web plate, 13, the hollow shaft, 14, the through groove, 15, the clamping groove, 16, the limiting pin, 17, the guide block, 18 and the sliding column.
Description of the embodiments
In order to make the objects, features and advantages of the present invention more comprehensible, the technical solutions in the embodiments of the present invention are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-4, a semi-trailer longitudinal beam and a semi-trailer thereof are shown, which comprises an upper wing plate 1, a front inner web 11, a front outer web 12 and a rear web 9 are sequentially installed at the bottom end of the upper wing plate 1 from left to right, the front inner web 11 and the front outer web 12 are arranged in parallel, the bottom ends of the front inner web 11 and the front outer web 12 are fixedly connected with the same front lower wing plate 8, one end of the front lower wing plate 8 is fixedly connected with a rear lower wing plate 10, the top end of the rear lower wing plate 10 is connected with the bottom end of the rear web 9, hollow shafts 13 which are horizontally arranged are fixedly connected with the side walls of the front inner web 11, the front outer web 12 and the rear web 9, sleeves 3 are all in running fit with sleeves 3, the sleeves 3 are provided with sliding columns 18 through sliding grooves which are formed in the inner side walls of the sleeves 3, the sliding columns 18 are fixedly connected with supporting rods 6, one ends of the supporting rods 6 are provided with two clamping grooves 15 which are arranged in parallel, one ends of the sleeves 3 are provided with through grooves 14, and limiting components which limit the positions of the sleeves 3 are installed inside the hollow shafts 13.
The limiting assembly consists of a rotating rod 2, a guide block 17 and four limiting pins 16 which are distributed in a central symmetry manner, wherein the rotating rod 2 is in rotating fit on the inner side wall of the hollow shaft 13, the guide block 17 is arranged on the rotating rod 2, the limiting pins are in sliding fit on the outer edge of the guide block 17, and the tail ends of the limiting pins penetrate through the inner wall of the hollow shaft 13 and are in clamping fit with clamping grooves 15 formed in the inner side wall of the sleeve 3; the surface of the sleeve 3 is in threaded connection with a threaded rod 5 corresponding to a threaded groove formed at one end of the sliding column 18, so that the support rod 6 can be better fixed, and the sliding of the support rod 6 is avoided; the upper wing plate 1 consists of a wide section and a narrow section which are integrally formed, wherein the bottom end of the wide section is connected with a front inner web 11 and a front outer web 12, and the bottom end of the narrow section is connected with a rear web 9; one end of each supporting rod 6 is in threaded connection with a movable bolt 7 corresponding to a threaded groove formed in the inner side wall of the clamping groove 15, so that the two adjacent supporting rods 6 can be better fixed when connected; the reinforcing ribs 4 are fixedly connected to the side walls of the front inner web 11, the front outer web 12 and the rear web 9, so that the strength of the longitudinal beam is improved better.
When the invention is used, when the intensity of a longitudinal beam is improved, the rotating rod 2 is firstly rotated, the rotating rod 2 drives the limiting pin 16 to move through the guide block 17, so that the limiting pin 16 is separated from a clamping groove formed on the inner side wall of the sleeve 3, the sleeve 3 is pulled, the sleeve 3 is horizontally moved for a certain distance, the sleeve 3 is rotated, the supporting rod 6 is driven to rotate by the sleeve 3, when the supporting rod 6 is rotated for 90 degrees, the supporting rod 6 is pulled, the bottom end of the supporting rod 6 is contacted with the ground, the supporting rod 6 in the middle position is pulled, the supporting rod 6 is moved to be contacted with the supporting rod 6 at the outer side, the clamping groove 15 on the supporting rod 6 is clamped and matched, the movable bolt 7 is rotated, the movable bolt 7 is used for fixing the supporting rod 6, the threaded rod 5 is rotated, and the threaded rod 5 is in threaded connection with a threaded groove on the sliding column 18, so that the fixing of the supporting rod 6 is completed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. Semi-trailer longitudinal beam, including upper wing plate (1), its characterized in that: the novel limiting device comprises an upper wing plate (1), a front inner web plate (11), a front outer web plate (12) and a rear web plate (9) are sequentially arranged at the bottom end of the upper wing plate (1) from left to right, the front inner web plate (11) and the front outer web plate (12) are arranged in parallel, the bottom ends of the front inner web plate (11) and the front outer web plate (12) are fixedly connected with the same front lower wing plate (8), one end of the front lower wing plate (8) is fixedly connected with a rear lower wing plate (10), the top end of the rear lower wing plate (10) is connected with the bottom end of the rear web plate (9), hollow shafts (13) which are horizontally arranged are fixedly connected with the side walls of the front inner web plate (11), the front outer web plate (12) and the rear web plate (9), sleeves (3) are respectively in rotary fit with the surfaces of the hollow shafts (13), sliding columns (18) are arranged on the sliding grooves of the sleeves (3) in a sliding fit mode, the inner side walls (6) of the sleeves (18) are fixedly connected with two clamping grooves (15) which are arranged in parallel, one end of each supporting rod (6) is provided with one end, and one end of each supporting rod (3) is provided with a limiting component (14) which is arranged at the position limiting position of the hollow shaft (13).
The limiting assembly consists of a rotating rod (2), a guide block (17) and four limiting pins (16) which are distributed in a central symmetry mode, wherein the rotating rod (2) is in rotating fit on the inner side wall of the hollow shaft (13), the guide block (17) is arranged on the rotating rod (2), the limiting pins are in sliding fit on the outer edge of the guide block (17), and the tail ends of the limiting pins penetrate through the inner wall of the hollow shaft (13) and are in clamping fit with clamping grooves formed in the inner side wall of the sleeve (3);
when the intensity of a longitudinal beam is improved, the rotating rod (2) is rotated at first, the rotating rod (2) drives the limiting pin (16) to move through the guide block (17), so that the limiting pin (16) is separated from a clamping groove formed in the inner side wall of the sleeve (3), the sleeve (3) is pulled, the sleeve (3) is moved for a certain distance in the horizontal direction, the sleeve (3) is rotated, the sleeve (3) drives the supporting rod (6) to rotate, after the supporting rod (6) is rotated by 90 degrees, the supporting rod (6) is pulled again, the bottom end of the supporting rod (6) is contacted with the ground, the supporting rod in the middle position is pulled again, the supporting rod is moved to be contacted with the supporting rod in the outer side position, the clamping grooves on the two supporting rods are clamped and matched, the movable bolt (7) is rotated, and the movable bolt (7) is fixed on the supporting rod (6).
2. A semitrailer rail as claimed in claim 1, wherein: the surface of the sleeve (3) is in threaded connection with a threaded rod (5) corresponding to a threaded groove formed in one end of the sliding column (18).
3. A semitrailer rail as claimed in claim 1, wherein: the upper wing plate (1) is composed of a wide section and a narrow section which are integrally formed, the bottom end of the wide section is connected with the front inner web plate (11) and the front outer web plate (12), and the bottom end of the narrow section is connected with the rear web plate (9).
4. A semitrailer rail as claimed in claim 1, wherein: one end of the supporting rod (6) is connected with a movable bolt (7) corresponding to a thread groove formed in the inner side wall of the clamping groove (15) in a threaded manner.
5. A semitrailer rail as claimed in claim 1, wherein: the side walls of the front inner web plate (11), the front outer web plate (12) and the rear web plate (9) are fixedly connected with reinforcing ribs (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011150713.8A CN112224284B (en) | 2020-10-24 | 2020-10-24 | Semitrailer longitudinal beam and semitrailer thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011150713.8A CN112224284B (en) | 2020-10-24 | 2020-10-24 | Semitrailer longitudinal beam and semitrailer thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112224284A CN112224284A (en) | 2021-01-15 |
| CN112224284B true CN112224284B (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011150713.8A Active CN112224284B (en) | 2020-10-24 | 2020-10-24 | Semitrailer longitudinal beam and semitrailer thereof |
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| Country | Link |
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| CN (1) | CN112224284B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4564233A (en) * | 1984-03-21 | 1986-01-14 | Howard Booher | Flat bed trailer structure |
| DE202007001455U1 (en) * | 2007-02-01 | 2007-06-14 | Altepping, Karl | Frame in particular for trailer, comprises upper part designed as shell with integrated axle bearings |
| DE102013008327A1 (en) * | 2013-05-08 | 2014-11-13 | Westfalia-Automotive Gmbh | Carrier arrangement for a trailer hitch or a load carrier with bending tabs |
| CN206968774U (en) * | 2017-07-11 | 2018-02-06 | 梁山广通专用车制造有限公司 | Low flat bed delivery vehicle carriage |
| CN207257630U (en) * | 2017-09-27 | 2018-04-20 | 深圳市恒通程物流有限公司 | A kind of hydraulic support for Drop and pull transport car |
| CN207565722U (en) * | 2017-11-30 | 2018-07-03 | 邓州市华耀风神雷诺汽车玻璃有限公司 | A kind of semitrailer |
| CN207790905U (en) * | 2017-11-30 | 2018-08-31 | 邓州市华耀风神雷诺汽车玻璃有限公司 | A kind of novel semi-trailer |
| CN210191663U (en) * | 2019-06-12 | 2020-03-27 | 洛阳凯兰机械制造有限公司 | Semitrailer bearing gooseneck |
| CN210591820U (en) * | 2019-09-27 | 2020-05-22 | 梁山开元交通设备制造有限公司 | Flat-bed semi-trailer with undercarriage |
| CN211032743U (en) * | 2019-12-03 | 2020-07-17 | 太原晋龙东捷挂车制造有限公司 | Container gosling neck skeleton trailer |
| CN111746652A (en) * | 2020-08-03 | 2020-10-09 | 山东飞驰汽车股份有限公司 | Semitrailer frame additional strengthening |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202264831U (en) * | 2011-09-08 | 2012-06-06 | 三江瓦力特特种车辆有限公司 | Heavy low-temperature semi-trailer |
| CN204210599U (en) * | 2014-11-20 | 2015-03-18 | 安徽省蒙城县华威汽车改装有限公司 | A kind of casing with the superimposed trailer of high-low plate |
| CN205256439U (en) * | 2015-12-28 | 2016-05-25 | 东莞市永强汽车制造有限公司 | Low flat -bed's retractable frame |
| MX2019006179A (en) * | 2016-11-29 | 2019-08-21 | Bulkmatic Transp Company | Convertible trailer for packaged goods and dry bulk material. |
| CN206679072U (en) * | 2017-04-26 | 2017-11-28 | 张忠成 | Novel semi-trailer |
| CN210592191U (en) * | 2019-07-23 | 2020-05-22 | 芜湖中集瑞江汽车有限公司 | Straight beam framework vehicle with low gooseneck height |
-
2020
- 2020-10-24 CN CN202011150713.8A patent/CN112224284B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4564233A (en) * | 1984-03-21 | 1986-01-14 | Howard Booher | Flat bed trailer structure |
| DE202007001455U1 (en) * | 2007-02-01 | 2007-06-14 | Altepping, Karl | Frame in particular for trailer, comprises upper part designed as shell with integrated axle bearings |
| DE102013008327A1 (en) * | 2013-05-08 | 2014-11-13 | Westfalia-Automotive Gmbh | Carrier arrangement for a trailer hitch or a load carrier with bending tabs |
| CN206968774U (en) * | 2017-07-11 | 2018-02-06 | 梁山广通专用车制造有限公司 | Low flat bed delivery vehicle carriage |
| CN207257630U (en) * | 2017-09-27 | 2018-04-20 | 深圳市恒通程物流有限公司 | A kind of hydraulic support for Drop and pull transport car |
| CN207565722U (en) * | 2017-11-30 | 2018-07-03 | 邓州市华耀风神雷诺汽车玻璃有限公司 | A kind of semitrailer |
| CN207790905U (en) * | 2017-11-30 | 2018-08-31 | 邓州市华耀风神雷诺汽车玻璃有限公司 | A kind of novel semi-trailer |
| CN210191663U (en) * | 2019-06-12 | 2020-03-27 | 洛阳凯兰机械制造有限公司 | Semitrailer bearing gooseneck |
| CN210591820U (en) * | 2019-09-27 | 2020-05-22 | 梁山开元交通设备制造有限公司 | Flat-bed semi-trailer with undercarriage |
| CN211032743U (en) * | 2019-12-03 | 2020-07-17 | 太原晋龙东捷挂车制造有限公司 | Container gosling neck skeleton trailer |
| CN111746652A (en) * | 2020-08-03 | 2020-10-09 | 山东飞驰汽车股份有限公司 | Semitrailer frame additional strengthening |
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| Publication number | Publication date |
|---|---|
| CN112224284A (en) | 2021-01-15 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A semi-trailer longitudinal beam and its semi-trailer Granted publication date: 20230630 Pledgee: Wuhu wanshe sub branch of Huishang Bank Co.,Ltd. Pledgor: Anhui sinor logistics equipment Co.,Ltd. Registration number: Y2024980019157 |
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