CN216942829U - Tail strutting arrangement behind semitrailer - Google Patents
Tail strutting arrangement behind semitrailer Download PDFInfo
- Publication number
- CN216942829U CN216942829U CN202122270490.5U CN202122270490U CN216942829U CN 216942829 U CN216942829 U CN 216942829U CN 202122270490 U CN202122270490 U CN 202122270490U CN 216942829 U CN216942829 U CN 216942829U
- Authority
- CN
- China
- Prior art keywords
- tail
- fixedly connected
- semitrailer
- semi
- positioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000008093 supporting effect Effects 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000009193 crawling Effects 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 244000261422 Lysimachia clethroides Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Abstract
The utility model discloses a semitrailer rear tail supporting device which comprises a semitrailer body, wherein the tail part of the semitrailer body is fixedly connected with a rear tail plate, the front end and the rear end of the outer side of the rear tail plate are respectively and rotatably connected with a rotary crawling ladder, and the front end and the rear end of the outer side of the rear tail plate are respectively and fixedly connected with a group of crawling ladder rotary supports corresponding to the rotary crawling ladder; the semi-mounted vehicle body comprises a semi-mounted vehicle body tail, wherein the front end and the rear end of the semi-mounted vehicle body tail are fixedly connected with fixing seats, two are fixedly connected with rotating supports and two are fixedly connected with the bottoms of the fixing seats, and the centers of the bottoms of the rotating supports are rotatably connected with hydraulic cylinders and two are fixedly connected with supporting bottom plates of the bottom ends of piston rods of the hydraulic cylinders. According to the utility model, by designing the simple hydraulic supporting mechanism and the simple locking mechanism, the stable supporting effect on the semi-trailer body can be realized by utilizing the two groups of hydraulic cylinders and the supporting bottom plate, and the semi-trailer body is effectively prevented from shaking in the process of loading goods or vehicles, so that the overall stability of the semi-trailer body is improved.
Description
Technical Field
The utility model relates to the field of semitrailers, in particular to a semitrailer tail supporting device.
Background
The vehicle-mounted part of the low flat-bed semi-trailer has no breast board, has wide application and is mainly used for medium and long-distance freight transportation. The frame of series semi-trailer is through beam type structure, and the longitudinal beam is straight movable gooseneck type. The height of the web plate is 400mm to 550mm, the longitudinal beam is welded by adopting automatic submerged arc welding, the frame is processed by shot blasting, and the cross beam penetrates into the longitudinal beam and is welded integrally. The series dry plate spring and the suspension support are formed, the structure is reasonable, and the suspension support has high rigidity and strength and is used for supporting load and buffering impact. The low flat-bed semi-trailer is generally used for transporting heavy-duty vehicles (such as tractors, buses, special-purpose vehicles and the like), rail vehicles, mining machinery forestry machines, agricultural machinery (such as excavators, bulldozers, loaders, pavers, cranes and the like) and other heavy-duty goods, the lower the gravity center of the low flat-bed semi-trailer is, the better the stability and the safety are, the stronger the capacity of transporting ultrahigh goods and passing overhead obstacles is, the low flat-bed semi-trailer walking structure is made of high-strength international steel materials, the dead weight of the whole semi-trailer is light, the anti-distortion, anti-seismic and anti-bumping capacity of the low flat-bed semi-trailer is guaranteed, and different road surface bearing capacities are met.
The semitrailer can receive very big pressure at its back tail when loading goods, and the tail is for designing any support reinforced structure behind traditional semitrailer to lead to the automobile body to take place great rocking very easily when loading vehicle or other heavy objects, can take place the condition of heeling even when serious, have great potential safety hazard.
It is therefore desirable to provide a rear tail support device for a semitrailer that solves the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the rear tail of the traditional semitrailer is designed with any supporting and reinforcing structure, so that the semitrailer is easy to cause the body of the semitrailer to shake greatly when loading vehicles or other heavy objects, and even to roll seriously, and has great potential safety hazard.
In order to solve the technical problems, the utility model adopts a technical scheme that: the semitrailer rear tail supporting device comprises a semitrailer body, wherein the tail part of the semitrailer body is fixedly connected with a rear tail plate, the front end and the rear end of the outer side of the rear tail plate are respectively and rotatably connected with a rotary crawling ladder, and the front end and the rear end of the outer side of the rear tail plate are respectively and fixedly connected with a group of crawling ladder rotary supports corresponding to the rotary crawling ladder;
the front end and the rear end of the tail part of the semi-trailer body are fixedly connected with fixing seats, the bottoms of the two fixing seats are fixedly connected with rotating supports, the centers of the bottoms of the two rotating supports are rotatably connected with hydraulic cylinders, and the bottom ends of piston rods of the two hydraulic cylinders are fixedly connected with supporting bottom plates;
the front end and the rear end of the inner side of the rear tail plate are fixedly connected with positioning supports, the centers of the two positioning supports are rotatably connected with locking mechanisms corresponding to the hydraulic cylinders, each locking mechanism comprises a rotating locking block, one end, close to the positioning support, of each rotating locking block is provided with an installation hole, the bottom, far away from the positioning support, of each rotating locking block is provided with a positioning clamping groove, and the center of the outer side of each rotating locking block is fixedly connected with a fixed shaft;
and the outer sides of the two hydraulic cylinder bodies are fixedly connected with positioning columns corresponding to the locking mechanisms.
Preferably, the rear tail plate is fixed with the semi-trailer body through welding, and the rear tail plate is fixed with the semi-trailer body through welding, so that the connection firmness and stability can be guaranteed, and meanwhile, the rear tail plate cannot be easily damaged.
Preferably, semi-trailer body afterbody is arc structural design, and the afterbody is the semi-trailer body of arc structural design when loading heavy vehicle, can realize the steady transition of vehicle, great vibrations or locomotive perk can not appear to the overall stability of semi-trailer body has been guaranteed.
Preferably, the fixing base is formed by the splice welding of polylith steel sheet, and the fixing base overall structure who forms by the splice welding of polylith steel sheet is firm stable, can play stable supporting role to two pneumatic cylinders.
Preferably, two the bottom surface of supporting baseplate all is provided with anti-skidding ripple, all sets up anti-skidding ripple through the bottom surface at two supporting baseplate, can play the supporting role, also can play fine anti-skidding effect simultaneously.
Preferably, rotating locking piece and fixed axle formula structure as an organic whole, integral type structural design's rotating locking piece is simpler with fixed axle overall structure, the rotatory operation of also being convenient for simultaneously.
Preferably, positioning slot and the mutual block of reference column through making positioning slot and the mutual block of reference column to can realize fixing the location of pneumatic cylinder with fixed, prevent to take place to rock loading goods or vehicle in-process, influence the stability of semi-mounted car body.
The utility model has the following beneficial effects:
1. according to the utility model, by designing the simple hydraulic supporting mechanism and the simple locking mechanism, the stable supporting effect on the semi-trailer body can be achieved by utilizing the two groups of hydraulic cylinders and the supporting bottom plate, and the semi-trailer body is effectively prevented from shaking in the process of loading goods or vehicles, so that the overall stability of the semi-trailer body is improved;
2. by designing the simple supporting mechanism, the utility model is convenient for operation and later maintenance;
3. according to the utility model, by designing the vehicle body stabilizing structure, the conditions of large shaking and side tilting of the vehicle body can not be caused when a vehicle or other heavy objects are loaded, and the potential safety hazard is greatly reduced.
Drawings
FIG. 1 is a front view structural diagram of the present invention;
FIG. 2 is a schematic structural view of the locking mechanism of the present invention;
fig. 3 is a partially enlarged view of a portion a in fig. 1.
In the figure: 1. a semi-trailer body; 2. a rear tail plate; 3. the ladder stand is rotated; 4. the ladder stand rotating support; 5. a fixed seat; 6. rotating the bracket; 7. a hydraulic cylinder; 8. a support base plate; 9. positioning the bracket; 10. a locking mechanism; 1001. rotating the locking block; 1002. mounting holes; 1003. positioning a clamping groove; 1004. a fixed shaft; 11. and a positioning column.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.
Referring to fig. 1 and 3, a semitrailer tail support device comprises a semitrailer body 1, wherein the tail of the semitrailer body 1 is fixedly connected with a rear tail plate 2, the front end and the rear end of the outer side of the rear tail plate 2 are respectively and rotatably connected with a rotary ladder stand 3, and the front end and the rear end of the outer side of the rear tail plate 2 are respectively and fixedly connected with a group of ladder stand rotary supports 4 corresponding to the rotary ladder stands 3; the rear tail plate 2 is fixed with the semi-trailer body 1 through welding, and the rear tail plate 2 is fixed with the semi-trailer body 1 through welding, so that the firmness and the stability of connection can be guaranteed, and meanwhile, the rear tail plate is not easy to damage; the 1 afterbody of semitrailer body is arc structural design, and the afterbody is arc structural design's semitrailer body 1 when loading heavy-duty vehicle, can realize the steady of vehicle excessively, great vibrations or locomotive perk can not appear to the overall stability of semitrailer body 1 has been guaranteed.
The front end and the rear end of the tail part of the semi-trailer body 1 are fixedly connected with the fixed seats 5, the fixed seats 5 are formed by welding a plurality of steel plates in a splicing manner, the whole structure of the fixed seats 5 formed by welding a plurality of steel plates in a splicing manner is firm and stable, and the fixed seats can play a stable supporting role on the two hydraulic cylinders 7; the bottoms of the two fixed seats 5 are fixedly connected with rotating supports 6, the centers of the bottoms of the two rotating supports 6 are rotatably connected with hydraulic cylinders 7, and the bottom ends of piston rods of the two hydraulic cylinders 7 are fixedly connected with supporting bottom plates 8; the bottom surfaces of the two supporting bottom plates 8 are provided with anti-slip corrugations, and the bottom surfaces of the two supporting bottom plates 8 are provided with anti-slip corrugations, so that the supporting effect can be achieved, and meanwhile, the good anti-slip effect can be achieved.
As shown in fig. 2, the front end and the rear end of the inner side of the rear tail plate 2 are fixedly connected with positioning brackets 9, the centers of the two positioning brackets 9 are rotatably connected with locking mechanisms 10 corresponding to the hydraulic cylinders 7, each locking mechanism 10 comprises a rotating locking block 1001, one end of the rotating locking block 1001, which is close to the positioning bracket 9, is provided with a mounting hole 1002, the bottom of one end of the rotating locking block 1001, which is far away from the positioning bracket 9, is provided with a positioning clamping groove 1003, and the center of the outer side of the rotating locking block 1001 is fixedly connected with a fixing shaft 1004; the rotating locking block 1001 and the fixing shaft 1004 are in an integrated structure, and the rotating locking block 1001 and the fixing shaft 1004 in the integrated structure are simpler in overall structure and convenient to rotate; positioning groove 1003 and the mutual block of reference column 11 through making positioning groove 1003 and the mutual block of reference column 11 to can realize the location and fixed to pneumatic cylinder 7, prevent to take place to rock loading goods or vehicle in-process, influence semi-mounted vehicle body 1's stability.
As shown in fig. 3, the outer sides of the cylinder bodies of the two hydraulic cylinders 7 are fixedly connected with positioning columns 11 corresponding to the locking mechanisms 10.
When the semi-trailer body 1 is used, before goods are loaded, the two rotary locking blocks 1001 can be rotated through the fixed shaft 1004, the positioning clamping grooves 1003 and the positioning columns 11 are clamped with each other, positioning and fixing of the hydraulic cylinders 7 are achieved, then piston rods of the two hydraulic cylinders 7 are controlled to extend, the supporting bottom plates 8 fixed to the bottom ends of the piston rods of the two hydraulic cylinders 7 are supported on the ground, accordingly, the semi-trailer body 1 is supported by the two sets of hydraulic cylinders 7 and the supporting bottom plates 8, when a vehicle moves to the top of the semi-trailer body 1 through the rotary ladder stand 3, the two sets of hydraulic cylinders 7 and the supporting bottom plates 8 can stably support the semi-trailer body 1, the semi-trailer body 1 is effectively prevented from shaking in the goods or vehicle loading process, and the overall stability of the semi-trailer body 1 is improved.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (7)
1. The utility model provides a tail strutting arrangement behind semitrailer, includes semitrailer body (1), its characterized in that: the tail part of the semi-trailer body (1) is fixedly connected with a rear tail plate (2), the front end and the rear end of the outer side of the rear tail plate (2) are respectively and rotatably connected with a rotary crawling ladder (3), and the front end and the rear end of the outer side of the rear tail plate (2) are respectively and fixedly connected with a group of crawling ladder rotary supports (4) corresponding to the rotary crawling ladder (3);
the front end and the rear end of the tail of the semi-trailer body (1) are fixedly connected with fixed seats (5), the bottoms of the two fixed seats (5) are fixedly connected with rotating supports (6), the centers of the bottoms of the two rotating supports (6) are rotatably connected with hydraulic cylinders (7), and the bottom ends of piston rods of the two hydraulic cylinders (7) are fixedly connected with supporting bottom plates (8);
the front end and the rear end of the inner side of the rear tail plate (2) are fixedly connected with positioning supports (9), the centers of the two positioning supports (9) are rotatably connected with locking mechanisms (10) corresponding to the hydraulic cylinders (7), each locking mechanism (10) comprises a rotating locking block (1001), one end, close to the corresponding positioning support (9), of each rotating locking block (1001) is provided with a mounting hole (1002), the bottom, far away from the corresponding positioning support (9), of each rotating locking block (1001) is provided with a positioning clamping groove (1003), and the center of the outer side of each rotating locking block (1001) is fixedly connected with a fixed shaft (1004);
and the outer sides of the two hydraulic cylinders (7) are fixedly connected with positioning columns (11) corresponding to the locking mechanisms (10).
2. The semitrailer tail support device of claim 1, wherein: the rear tail plate (2) is fixed with the semi-trailer body (1) through welding.
3. The semitrailer tail support device of claim 1, wherein: the tail part of the semi-trailer body (1) is designed into an arc structure.
4. The semitrailer tail support device of claim 1, wherein: the fixed seat (5) is formed by welding a plurality of steel plates.
5. The semitrailer tail support device of claim 1, wherein: the outer surfaces of the bottoms of the two supporting bottom plates (8) are provided with anti-skid corrugations.
6. The semitrailer tail support device of claim 1, wherein: the rotating locking block (1001) and the fixed shaft (1004) are of an integrated structure.
7. The semitrailer tail support device of claim 1, wherein: the positioning clamping groove (1003) is clamped with the positioning column (11) mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122270490.5U CN216942829U (en) | 2021-09-18 | 2021-09-18 | Tail strutting arrangement behind semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122270490.5U CN216942829U (en) | 2021-09-18 | 2021-09-18 | Tail strutting arrangement behind semitrailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216942829U true CN216942829U (en) | 2022-07-12 |
Family
ID=82302365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122270490.5U Active CN216942829U (en) | 2021-09-18 | 2021-09-18 | Tail strutting arrangement behind semitrailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216942829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116811706A (en) * | 2023-07-19 | 2023-09-29 | 山东泰骋专用汽车有限公司 | Rear tail landing gear of multifunctional semitrailer |
-
2021
- 2021-09-18 CN CN202122270490.5U patent/CN216942829U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116811706A (en) * | 2023-07-19 | 2023-09-29 | 山东泰骋专用汽车有限公司 | Rear tail landing gear of multifunctional semitrailer |
| CN116811706B (en) * | 2023-07-19 | 2024-04-05 | 山东泰骋专用汽车有限公司 | Rear tail landing gear of multifunctional semitrailer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1577159B1 (en) | Trailer having pivoted axles and a central recess | |
| US3479049A (en) | Axle load distributing and balancing device | |
| CN216942829U (en) | Tail strutting arrangement behind semitrailer | |
| CN102166936B (en) | Chassis device of automatic lifting vehicle | |
| CN1046501A (en) | A kind of improved large truck | |
| US9315141B1 (en) | Load support carrier and methods of use | |
| US7111862B1 (en) | Unitized fifth wheel and rear axle suspension | |
| CN216231894U (en) | Make things convenient for folding cat ladder of fluid pressure type about equipment | |
| US3664679A (en) | Stabilizing device for trucks | |
| CN105151158A (en) | Double-deck platform truck for conveying all-terrain vehicles | |
| CN211969578U (en) | Integral axle steering device of high flat-bed semitrailer | |
| CN216070238U (en) | Novel low flat-bed semi-trailer | |
| CN103085879A (en) | Engineering truck frame assembly and engineering truck with same | |
| CN215155016U (en) | Semitrailer with lightweight crossbeam | |
| CN216153892U (en) | Flat-bed height control device of large equipment transportation semitrailer | |
| CN215205072U (en) | Rear-tipping vehicle frame | |
| CN216943328U (en) | Multipurpose semitrailer gooseneck boom platform | |
| CN216805398U (en) | Multifunctional long cargo self-unloading semitrailer | |
| CN113442816B (en) | Unloading type semi-trailer | |
| CN206569158U (en) | A kind of novel semi-trailer | |
| CN209904876U (en) | A-shaped double-shaft trailer chassis | |
| CN219236889U (en) | Frame of low-bed semitrailer | |
| CN214648632U (en) | Disconnect-type low flat-bed semitrailer | |
| CN213799894U (en) | 45-foot mechanical suspension sinking left-right telescopic dovetail type semi-trailer | |
| CN215851548U (en) | Left-right telescopic hydraulic suspension low flat-bed semitrailer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A rear tail support device for semi trailers Effective date of registration: 20231017 Granted publication date: 20220712 Pledgee: Shandong Liangshan Rural Commercial Bank Co.,Ltd. Chengnan sub branch Pledgor: Liangshan Wuyue Automobile Industry Co.,Ltd. Registration number: Y2023980061411 |