CN113022723A - Foldable cat ladder semitrailer - Google Patents
Foldable cat ladder semitrailer Download PDFInfo
- Publication number
- CN113022723A CN113022723A CN201911425584.6A CN201911425584A CN113022723A CN 113022723 A CN113022723 A CN 113022723A CN 201911425584 A CN201911425584 A CN 201911425584A CN 113022723 A CN113022723 A CN 113022723A
- Authority
- CN
- China
- Prior art keywords
- section
- guardrail
- ladder
- ladder stand
- plate
- 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.)
- Granted
Links
- 241000282326 Felis catus Species 0.000 title claims description 14
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 37
- 239000010959 steel Substances 0.000 claims description 37
- 244000261422 Lysimachia clethroides Species 0.000 claims description 28
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000009193 crawling Effects 0.000 description 14
- 239000010720 hydraulic oil Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R3/00—Arrangements of steps or ladders facilitating access to or on the vehicle, e.g. running-boards
- B60R3/007—Removable steps or ladders, e.g. foldable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R3/00—Arrangements of steps or ladders facilitating access to or on the vehicle, e.g. running-boards
- B60R3/02—Retractable steps or ladders, e.g. movable under shock
-
- 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
- B62D21/18—Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups B62D21/02 - B62D21/17
- B62D21/20—Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups B62D21/02 - B62D21/17 trailer type, i.e. a frame specifically constructed for use in a non-powered vehicle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Ladders (AREA)
- Vehicle Step Arrangements And Article Storage (AREA)
Abstract
The invention discloses a foldable ladder semi-trailer which comprises an upper cover assembly, a bottom framework assembly, a guardrail assembly and ladder assemblies, wherein the ladder assemblies are divided into a first ladder section and a second ladder section, the upper cover assembly is arranged on the upper part of the bottom framework assembly, and the guardrail assemblies are arranged on two sides of the bottom framework assembly.
Description
Technical Field
The invention relates to the technical field of semitrailers, in particular to a foldable ladder-climbing semitrailer.
Background
The low flatbed semitrailer is extensively applicable to multiple mechanical equipment, large-scale article, highway construction equipment, the major possession jar body, the transportation of power station equipment and various large-scale steel, because engineering vehicle volume and weight are great when loading and unloading mechanical equipment, consequently need be with the help of the supplementary loading and unloading of cat ladder, use at present most for spring helping hand cat ladder or movable cat ladder, the cat ladder of these two kinds of structural style can not fold usually, in use all need be with the help of the manpower supplementary, workman intensity of labour is big, the security is relatively poor, simultaneously for reducing the cat ladder slope, the cat ladder designs comparatively long usually, its height ratio when the cat ladder erects is higher, influence the trafficability characteristic of vehicle.
Therefore, the foldable ladder semi-trailer with the advantages of simple structure, reasonable design, high use efficiency, high safety and labor intensity reduction is designed for overcoming the defects of the technology, and the problem to be solved by the inventor is solved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a foldable ladder semi-trailer which is simple in structure, reasonable in design, good in safety and capable of improving the using work efficiency and reducing the labor intensity.
The technical scheme adopted by the invention for solving the technical problems is as follows: a foldable ladder semi-trailer comprises an upper cover assembly, a bottom framework assembly, guardrail assemblies, a ladder assembly and a tool box, wherein the upper cover assembly is arranged at the upper part of the bottom framework assembly, the guardrail assemblies are arranged at two sides of the bottom framework assembly, and the tool box is arranged at the bottom of the bottom framework assembly;
the bottom framework assembly comprises a traction pin, a power gooseneck, a gooseneck cross brace, a traction plate and a main beam, wherein front beams are arranged on two sides of the power gooseneck, a channel steel and the cross brace are connected between the front beams, the gooseneck cross brace is arranged at the front end of the power gooseneck, a gooseneck reinforcing web plate at the tail part of the power gooseneck is connected with a main beam front reinforcing plate at the front end of the main beam, a long cross beam is arranged on the tail part of the main beam, an inclined support frame is connected with the tail part of the main beam, the front part of the inclined support frame is of a horizontal structure, the rear part of the inclined support frame is an inclined section, a first oil cylinder fixing plate is fixed at the bottom end of the tail part of the inclined support frame, and the first oil;
the upper cover assembly comprises a front beam frame, a rear beam frame, a protective cover, a front beam and wing supports, wherein the protective cover is arranged on the front side of the front beam frame, a plurality of wing supports are arranged on the front beam frame at equal intervals, a bent plate is arranged in the middle of the front beam frame and is arranged between the two wing supports, the front beam frame and the rear beam frame are connected through a Z-shaped reinforcing plate, and two ends of the tail of the rear beam frame are hinged with two ends of a long beam;
the guardrail assembly comprises guardrails, spring locks, guardrail fixing plates and guardrail hinges, the guardrails are respectively fixed on two sides of the rear beam frame through the guardrail fixing plates, guardrail doors are arranged on the guardrails, and the guardrail doors are connected with the guardrail body through the guardrail hinges;
the ladder stand assembly is divided into a first ladder stand section and a second ladder stand section, the first ladder stand section is arranged above the inclined support frame, a ladder stand cross beam is arranged on the first ladder stand section, the head ends of the ladder stand cross beam and the second ladder stand section are respectively hinged to a connecting shaft through ear plates, the head end of the first ladder stand section is movably connected with a ladder stand fixing plate arranged on the front section of the inclined support frame, two long channel steels are arranged on the first ladder stand section in a centrosymmetric mode, first support seats are respectively arranged on one sides of the two long channel steels, the first support seats are used for being connected with support legs vertical to the ground, a channel steel cross beam is connected between the long channel steels, a second support seat is arranged on the outer side of the channel steel cross beam, and the connecting;
the cat ladder second section of thick bamboo is formed by middle stull, limit portion stull, middle channel-section steel, limit portion channel-section steel interconnect, the afterbody of middle channel-section steel, limit portion channel-section steel is provided with the slope, be connected with the second hydraulic cylinder between second supporting seat and the cat ladder second section of thick bamboo.
Furthermore, a license plate is arranged in the middle of one side where the second ladder stand section is connected with the first ladder stand section.
Furthermore, a spring catch lock is arranged between the guardrail fixing plate and the guardrail and is connected and fastened with a lock nose arranged on the guardrail fixing plate.
Further, the bottom of goose neck stull is provided with the traction plate, be provided with the towing pin on the traction plate, be equipped with between the goose neck stull and pull the reinforcing plate.
Furthermore, a reinforcing beam frame is arranged between two side beams of the inclined section of the inclined support frame.
The invention has the beneficial effects that:
1. according to the invention, the first section of the ladder stand and the second section of the ladder stand are controlled to move by adopting the hydraulic oil cylinders, manual forced operation is not needed, the labor intensity is reduced, and the working efficiency is improved; the second section of the crawling ladder is hinged with the first section of the crawling ladder and then folded at the bottom of the first section of the crawling ladder, and the second section of the crawling ladder is connected with the first section of the crawling ladder through a second hydraulic cylinder, so that the overall length of the climbing ladder can be prolonged, the space can be saved, and the risk in use can be reduced; each mechanism is mutually connected through a plurality of channel steels and cross beams, the strength of the semitrailer adult is improved, and the semitrailer adult is not easy to deform.
Drawings
FIG. 1 is a schematic view of the construction of the inventive chassis assembly.
FIG. 2 is a schematic view of the connection structure of the bottom frame assembly and the upper cover assembly of the present invention.
Fig. 3 is a schematic structural view of a first section of the ladder stand of the invention.
Figure 4 is a schematic view of the second section of the ladder of the present invention.
Figure 5 is a schematic view of the guardrail assembly of the present invention.
Fig. 6 is a bottom view of the overall structure of the present invention.
Fig. 7 is a front view of the overall structure of the present invention.
Description of reference numerals: 1-goose neck cross brace; 2-a towing pin; 3-a traction plate; 4-powered gooseneck; 5-channel steel; 6, a main beam; 7-a traction reinforcing plate; 8-horizontal bracing; 9-main beam front reinforcing plate; 10-goose neck reinforcing web plate; 11-inclined support frame; 12-an inclined section; 13-a long beam; 14-a reinforcing beam frame; 15-front beam frame; 16-a rear beam frame; 17-a protective cover; 18-wing bracing; 19-bending a plate; 20-long channel steel; 21-channel steel beam; 22-a second support seat; 23-a first support; 24-ear plate; 25-edge channel steel; 26-slope surface; 27-middle cross brace; 28-middle channel steel; 29-edge waling; 30-a license plate; 31-a guardrail; 32-guardrail fixing plate; 33-a guardrail door; 34-a guardrail hinge; 35-spring catch lock; 36-a connecting shaft; 37-ladder climbing beam; 38-a tool box; 39-a first hydraulic cylinder; 40-a second hydraulic cylinder; 41-a bottom skeleton assembly; 42-an upper cover assembly; 43-a guardrail assembly; 44-ladder first section; 45-ladder second section.
Detailed Description
The invention will now be further illustrated by reference to specific examples, which are intended to be illustrative only and not to limit the scope of the invention. Further, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents may fall within the scope of the invention as defined in the appended claims.
The foldable ladder-climbing semitrailer comprises an upper cover assembly, a bottom framework assembly, a guardrail assembly, a ladder-climbing assembly and a tool box 38, wherein the upper cover assembly is arranged at the upper part of the bottom framework assembly, the guardrail assembly is arranged at two sides of the bottom framework assembly, the tool box 38 is arranged at the bottom of the bottom framework assembly, and the ladder-climbing assembly is divided into a first ladder-climbing section and a second ladder-climbing section.
Referring to fig. 1, which is a schematic structural diagram of a bottom skeleton assembly of the present invention, the bottom skeleton assembly includes a towing pin 2, a power gooseneck 4, gooseneck crossbars 1, a towing plate 3, and a main beam 6, wherein front beams are disposed on two sides of the power gooseneck 4, a channel steel 5 and a crossbars 8 are connected between the front beams, the gooseneck crossbars 1 are disposed at the front ends of the power gooseneck 4, the towing plate 3 is disposed at the bottom of the gooseneck crossbars 1, the towing pin 2 is disposed on the towing plate 3, a towing reinforcement plate 7 is disposed between the gooseneck crossbars 1, a gooseneck reinforcement web 10 at the tail of the power gooseneck 4 is connected with a main beam front reinforcement plate 9 at the front end of the main beam 6, a long beam 13 is disposed at the tail of the main beam 6, an inclined support frame 11 is connected at the tail of the main beam 6, the front section of the inclined support frame 11 is of a horizontal structure, the rear section of the inclined support frame, the bottom end of the tail part of the inclined support frame 11 is fixed with a first oil cylinder fixing plate.
Referring to fig. 2, the upper cover assembly is a schematic view of a connecting structure of a bottom frame assembly and an upper cover assembly, the upper cover assembly comprises a front beam frame 15, a rear beam frame 16, a protective cover 17, a front side beam and wing struts 18, the protective cover 17 is arranged on the front side of the front beam frame 15, the front beam frame 15 is provided with the wing struts 18 at equal intervals, a bent plate 19 is arranged in the middle of the front beam frame 15, the bent plate 19 is arranged between two adjacent wing struts 18, the front beam frame 15 and the rear beam frame 16 are connected through a Z-shaped reinforcing plate, and two ends of the tail of the rear beam frame 16 are hinged with two ends of a long beam.
Referring to fig. 5, which is a schematic structural view of the guardrail assembly of the present invention, the guardrail assembly includes a guardrail 31, a spring catch 35, a guardrail fixing plate 32, and guardrail hinges 34, the guardrail 31 is respectively fixed on two sides of the rear beam frame by the guardrail fixing plate 32, a guardrail door 33 is disposed on the guardrail 31, the guardrail door 33 is connected with the guardrail 31 body by the guardrail hinges 34, the spring catch 35 is disposed between the guardrail fixing plate 32 and the guardrail 31, and the spring catch 35 is connected and fastened with a lock nose disposed on the guardrail fixing plate 32.
Referring to fig. 3, which is a schematic structural diagram of a first section of a ladder stand of the present invention, a first section of the ladder stand is arranged above an inclined support frame, a cross beam 37 of the ladder stand is arranged on the first section of the ladder stand, the head ends of the cross beam 37 and the second section of the ladder stand are respectively hinged on a connecting shaft 36 through ear plates, an ear plate 24 hinged with the second section of the ladder stand is arranged on the cross beam 37 of the ladder stand, the ear plate 24 at the head end of the first section of the ladder stand is movably connected with a fixing plate of the ladder stand arranged at the front section of the inclined support frame, two long channel steels 20 are arranged on the first section of the ladder stand in a central symmetry manner, first support seats 23 are respectively arranged at one side, the outer side of the channel steel beam 21 is provided with a second supporting seat 22, and the inner side of the channel steel beam 21 is provided with a fixed shaft fixedly connected with a first hydraulic oil cylinder 39.
Referring to fig. 4, the second section of the ladder stand of the present invention is schematically shown in the structural diagram, a license plate 30 is disposed in the middle of one side of the second section of the ladder stand connected to the first section of the ladder stand, the second section of the ladder stand is formed by connecting a middle cross brace 27, an edge cross brace 29, a middle channel steel 28 and an edge channel steel 25, the tails of the middle channel steel 28 and the edge channel steel 25 are provided with slope surfaces 26, and a second hydraulic cylinder 40 is connected between a second support seat 22 on the channel steel cross beam and the head end of the second section.
When the crawling ladder assembly is used, the first hydraulic oil cylinder is started to control the first section of the crawling ladder to rotate upwards for a certain angle, then the second hydraulic oil cylinder is started to enable the second section of the crawling ladder in a folded state to rotate outwards until the upper surfaces of the first section of the crawling ladder and the second section of the crawling ladder are in the same horizontal plane, the first hydraulic oil cylinder is controlled to enable the first section of the crawling ladder to start to rotate downwards until the slope surface at the bottom of the second section of the crawling ladder is flush with the ground, and therefore the first section of the crawling ladder and the second section of the crawling ladder can be stretched to allow equipment needing to be transported to crawl.
Claims (5)
1. The utility model provides a foldable cat ladder semitrailer which characterized in that: the tool box comprises an upper cover assembly, a bottom framework assembly, guardrail assemblies and a ladder stand assembly tool box, wherein the upper cover assembly is arranged at the upper part of the bottom framework assembly, the guardrail assemblies are arranged at two sides of the bottom framework assembly, and the tool box is arranged at the bottom of the bottom framework assembly;
the bottom framework assembly comprises a traction pin, a power gooseneck, a gooseneck cross brace, a traction plate and a main beam, wherein front beams are arranged on two sides of the power gooseneck, a channel steel and the cross brace are connected between the front beams, the gooseneck cross brace is arranged at the front end of the power gooseneck, a gooseneck reinforcing web plate at the tail part of the power gooseneck is connected with a main beam front reinforcing plate at the front end of the main beam, a long cross beam is arranged on the tail part of the main beam, an inclined support frame is connected with the tail part of the main beam, the front part of the inclined support frame is of a horizontal structure, the rear part of the inclined support frame is an inclined section, a first oil cylinder fixing plate is fixed at the bottom end of the tail part of the inclined support frame, and the first oil;
the upper cover assembly comprises a front beam frame, a rear beam frame, a protective cover, a front beam and wing supports, wherein the protective cover is arranged on the front side of the front beam frame, a plurality of wing supports are arranged on the front beam frame at equal intervals, a bent plate is arranged in the middle of the front beam frame and is arranged between the two wing supports, the front beam frame and the rear beam frame are connected through a Z-shaped reinforcing plate, and two ends of the tail of the rear beam frame are hinged with two ends of a long beam;
the guardrail assembly comprises guardrails, spring locks, guardrail fixing plates and guardrail hinges, the guardrails are respectively fixed on two sides of the rear beam frame through the guardrail fixing plates, guardrail doors are arranged on the guardrails, and the guardrail doors are connected with the guardrail body through the guardrail hinges;
the ladder stand assembly is divided into a first ladder stand section and a second ladder stand section, the first ladder stand section is arranged above the inclined support frame, a ladder stand cross beam is arranged on the first ladder stand section, the head ends of the ladder stand cross beam and the second ladder stand section are respectively hinged to a connecting shaft through ear plates, the head end of the first ladder stand section is movably connected with a ladder stand fixing plate arranged on the front section of the inclined support frame, two long channel steels are arranged on the first ladder stand section in a centrosymmetric mode, first support seats are respectively arranged on one sides of the two long channel steels, the first support seats are used for being connected with support legs vertical to the ground, a channel steel cross beam is connected between the long channel steels, a second support seat is arranged on the outer side of the channel steel cross beam, and the connecting;
the cat ladder second section is formed by middle stull, limit portion stull, middle channel-section steel, limit portion channel-section steel interconnect, the afterbody of middle channel-section steel, limit portion channel-section steel is provided with the slope, be connected with the second hydraulic cylinder between second supporting seat on the channel-section steel crossbeam and the cat ladder second section.
2. The foldable ladder semi-trailer of claim 1, characterized in that: and a license plate is arranged in the middle of one side where the second section of the ladder stand is connected with the first section of the ladder stand.
3. The foldable ladder semi-trailer of claim 1, characterized in that: a spring catch lock is arranged between the guardrail fixing plate and the guardrail and is connected and fastened with a lock nose arranged on the guardrail fixing plate.
4. The foldable ladder semi-trailer of claim 1, characterized in that: the bottom of goose neck stull is provided with the traction plate, be provided with the towing pin on the traction plate, be equipped with between the goose neck stull and pull the reinforcing plate.
5. The foldable ladder semi-trailer of claim 1, characterized in that: and a reinforcing beam frame is arranged between two side beams of the inclined section of the inclined support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911425584.6A CN113022723B (en) | 2019-12-24 | 2019-12-24 | Folding cat ladder semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911425584.6A CN113022723B (en) | 2019-12-24 | 2019-12-24 | Folding cat ladder semitrailer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113022723A true CN113022723A (en) | 2021-06-25 |
| CN113022723B CN113022723B (en) | 2024-04-19 |
Family
ID=76458575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911425584.6A Active CN113022723B (en) | 2019-12-24 | 2019-12-24 | Folding cat ladder semitrailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113022723B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0018460A1 (en) * | 1979-04-20 | 1980-11-12 | René Anglade | Collapsible ladder associated with a folding safety handrail for transport vehicles |
| EP1176086A1 (en) * | 2000-07-25 | 2002-01-30 | General Trailers France | Frame with a reduced number of welds, bearer for such a chassis, and process for making such a bearer |
| CN201849407U (en) * | 2010-08-15 | 2011-06-01 | 芜湖中集瑞江汽车有限公司 | Hydraulic lifting foldable ladder |
| CN102616290A (en) * | 2011-01-27 | 2012-08-01 | 中集车辆（集团）有限公司 | Detachable skeleton vehicle |
| DE102015101798A1 (en) * | 2015-02-09 | 2016-08-11 | Kögel Trailer GmbH & Co. KG | Frame for a semi-trailer, side member and method of manufacturing a frame |
| EP3156279A1 (en) * | 2015-10-12 | 2017-04-19 | Schmitz Cargobull AG | Vehicle for the transport of transport goods |
| CN209534901U (en) * | 2019-01-14 | 2019-10-25 | 山东嘉联工程机械制造有限公司 | A kind of semi-trailer climbing ladder guardrail |
| CN209600626U (en) * | 2019-03-23 | 2019-11-08 | 梁山华岳专用汽车制造有限公司 | A kind of assembling light weight semi-mounted bassinet structure |
| CN211494283U (en) * | 2019-12-24 | 2020-09-15 | 临沂市宇顺机械有限公司 | Folding ladder semi-trailer |
-
2019
- 2019-12-24 CN CN201911425584.6A patent/CN113022723B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0018460A1 (en) * | 1979-04-20 | 1980-11-12 | René Anglade | Collapsible ladder associated with a folding safety handrail for transport vehicles |
| EP1176086A1 (en) * | 2000-07-25 | 2002-01-30 | General Trailers France | Frame with a reduced number of welds, bearer for such a chassis, and process for making such a bearer |
| CN201849407U (en) * | 2010-08-15 | 2011-06-01 | 芜湖中集瑞江汽车有限公司 | Hydraulic lifting foldable ladder |
| CN102616290A (en) * | 2011-01-27 | 2012-08-01 | 中集车辆（集团）有限公司 | Detachable skeleton vehicle |
| DE102015101798A1 (en) * | 2015-02-09 | 2016-08-11 | Kögel Trailer GmbH & Co. KG | Frame for a semi-trailer, side member and method of manufacturing a frame |
| EP3156279A1 (en) * | 2015-10-12 | 2017-04-19 | Schmitz Cargobull AG | Vehicle for the transport of transport goods |
| CN209534901U (en) * | 2019-01-14 | 2019-10-25 | 山东嘉联工程机械制造有限公司 | A kind of semi-trailer climbing ladder guardrail |
| CN209600626U (en) * | 2019-03-23 | 2019-11-08 | 梁山华岳专用汽车制造有限公司 | A kind of assembling light weight semi-mounted bassinet structure |
| CN211494283U (en) * | 2019-12-24 | 2020-09-15 | 临沂市宇顺机械有限公司 | Folding ladder semi-trailer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113022723B (en) | 2024-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE4008176A1 (en) | ROAD ACCESSIBLE BREAKABLE PLANT | |
| EP2896549B1 (en) | Trailer, in particular flat-bed trailer | |
| CN211494283U (en) | Folding ladder semi-trailer | |
| CN105946977A (en) | Automobile body framework | |
| CN202063186U (en) | Whole vehicle frame of low-bed transportation vehicle | |
| CN106347460A (en) | Telescopic deformable vehicle frame | |
| CN201092281Y (en) | Concrete stirring transportation tank vehicle | |
| KR20090054645A (en) | Camping buth based on normal truck | |
| EP2780215B1 (en) | Chassis | |
| CN113022723A (en) | Foldable cat ladder semitrailer | |
| CN110386048B (en) | One drags three multi-functional heavy dull and stereotyped wrecker | |
| US2750226A (en) | Ramp trailer | |
| CN103291225B (en) | Drilling rig and rig frame thereof | |
| CN210478495U (en) | One drags three multi-functional heavy dull and stereotyped wreckers | |
| CN109515520B (en) | New energy logistics vehicle, carriage, underframe and assembling method thereof | |
| CN211874373U (en) | Vehicle-mounted workover rig driller operating platform ladder stand | |
| CN211893404U (en) | Trailer frame and trailer with same | |
| CN107298047A (en) | Finished product half-trailer for vehicle transport | |
| EP0312556A1 (en) | Multipurpose chassis for commercial and special-purpose vehicles. | |
| CN207157040U (en) | Finished product half-trailer for vehicle transport | |
| CN214930142U (en) | Lightweight high-strength automobile container side plate | |
| CN219770742U (en) | Flat-mounted bracket frame | |
| CN215851479U (en) | Self-discharging semitrailer auxiliary frame | |
| CN216037406U (en) | Heavy load ramp | |
| CN214647871U (en) | Semi-trailer transport vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |