CN112937403A - Lifting device for assisting heavy object to go up bus - Google Patents
Lifting device for assisting heavy object to go up bus Download PDFInfo
- Publication number
- CN112937403A CN112937403A CN202110355807.7A CN202110355807A CN112937403A CN 112937403 A CN112937403 A CN 112937403A CN 202110355807 A CN202110355807 A CN 202110355807A CN 112937403 A CN112937403 A CN 112937403A
- Authority
- CN
- China
- Prior art keywords
- lifting
- rod
- bottom plate
- bus
- chassis
- 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.)
- Withdrawn
Links
- 230000007306 turnover Effects 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/44—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading having a loading platform thereon raising the load to the level of the load-transporting element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/44—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading having a loading platform thereon raising the load to the level of the load-transporting element
- B60P1/4471—General means for controlling movements of the loading platform, e.g. hydraulic systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D47/00—Motor vehicles or trailers predominantly for carrying passengers
- B62D47/02—Motor vehicles or trailers predominantly for carrying passengers for large numbers of passengers, e.g. omnibus
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Vehicle Step Arrangements And Article Storage (AREA)
Abstract
The invention relates to the technical field of elevators, in particular to a lifting device for assisting a bus with heavy objects. The invention provides a lifting device for assisting a heavy object to get on a bus, and aims to solve the problem that the existing heavy objects such as a trunk and the like which are carried with the bus when the bus gets on or off the bus are inconvenient to carry and get on the bus. The invention discloses a lifting device for a bus on an auxiliary heavy object, which comprises a chassis, wherein a lifting bottom plate is arranged at the bottom of the chassis, a loading mechanism is arranged in the chassis and comprises a turnover assembly, the turnover assembly comprises a lifting guide rod fixedly arranged on one side of the lifting bottom plate, which is close to the chassis, a turnover gear is rotatably arranged in the chassis, the lifting guide rod is vertically and slidably arranged in the turnover gear, a turnover push rod is fixedly arranged on the same side of the lifting bottom plate, and the turnover push rod is slidably arranged in the turnover gear.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to a lifting device for assisting a bus with heavy objects.
Background
The carriage bottom plate height of bus is higher than ground always, takes the public transit when carrying major possession luggage or heavier article, moves the bus very difficult with article from ground, not only needs very big strength, still can hinder other passengers when the transport, causes great puzzlement, and some auxiliary device are only stretching into the board of an slope in the department of getting on the bus, not only need occupy great space, and it still need consume a lot of strength to drag the heavy object to get on the bus like this.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a lifting device for assisting heavy objects to get on a bus, so as to solve the problem that the existing heavy objects such as a trunk which are carried with the bus when getting on or off the bus are inconvenient to carry and get on the bus.
The technical scheme of the invention is that the lifting device for assisting the bus with heavy objects is provided.
The lifting device of the bus on the auxiliary heavy object manufactured by the technical scheme comprises a chassis, wherein a lifting bottom plate is arranged at the bottom of the chassis, a loading mechanism is arranged in the chassis and comprises a turnover assembly, the turnover assembly comprises a lifting guide rod fixedly installed on one side, close to the chassis, of the lifting bottom plate, a turnover gear is rotatably installed in the chassis, the lifting guide rod is vertically and slidably installed in the turnover gear, a turnover push rod is fixedly installed on the same side of the lifting bottom plate and is slidably installed in the turnover gear, the loading mechanism further comprises a descending assembly, the descending assembly comprises an arc-shaped groove which is formed in the lifting bottom plate and takes the lifting guide rod as the center of a circle, and a lower pressing block is slidably installed in the arc-shaped groove.
The turnover assembly further comprises a turnover rack slidably mounted in the chassis, and one end of the turnover rack is provided with a boosting spring connected with the chassis.
The descending assembly further comprises a driving push block which is slidably installed in the chassis, a descending swing rod is hinged to the bottom of the driving push block, the other end of the descending swing rod is hinged to the lower pressing block, a buffer spring is connected to one side, away from the lower pressing block, of the driving push block, the other end of the buffer spring is connected with a buffering push plate, and the buffering push plate is slidably installed in the chassis.
The chassis is provided with a pneumatic assembly capable of driving the lifting bottom plate to rotate and descend, the pneumatic assembly comprises a cylinder arranged in the chassis, a pneumatic push plate is fixedly mounted at the telescopic end of the cylinder, a reset pull rod is slidably mounted in the driving push block and is far away from one end of the pneumatic push plate, a reset push plate is fixedly mounted at one end of the pneumatic push plate, and a traction spring is connected between the reset push plate and the pneumatic push plate.
A lifting plate is arranged between the lifting bottom plate and the chassis, the lifting plate is slidably mounted between the lifting guide rod and the lower pressing block, and a guide plate is arranged at one end, far away from the lifting guide rod and the lower pressing block, of the lifting plate.
The lifting bottom plate is provided with a jacking assembly, the jacking assembly comprises a jacking sliding block which is slidably mounted in the lifting bottom plate, a reset spring connected with the lifting bottom plate is arranged on the jacking sliding block, an installation block is fixedly mounted on the jacking sliding block, two sides of the installation block are respectively hinged with a jacking rod and an orientation rod, the jacking rod and the orientation rod are the same in length and are parallel to each other, the jacking rod and the other end of the orientation rod are hinged to the bottom of a rotating disc, the rotating disc is rotatably mounted at the middle part of the lifting plate, a supporting rod is rotatably mounted at the middle part of the orientation rod, and the other end of the supporting rod is rotatably mounted at the middle part of the lifting bottom plate.
Set up the wire wheel subassembly in the lifting bottom plate, the wire wheel subassembly including set up in the motor at lifting guide top, be provided with on the motor and extend and get into lifting bottom plate's power rod in the lifting bottom plate fixed mounting has the reel on the power rod, the winding has the haulage rope on the reel, lifting bottom plate mid-mounting has a steering pulley, the haulage rope is walked around steering pulley connect in the jacking slider is close to steering pulley one side.
By adopting the technical scheme, the invention has the following beneficial effects: the device can assist the passenger to carry the heavy object that can only drag to the bus, the device accomodates in bus chassis below when not using, when using, at first stretch out the car with the PMKD through rotating, thereby make the PMKD can be more stable when going up and down, then the PMKD descends and places subaerial, just can drag the heavy object to lifting plate top this moment, then start line wheel assembly and make the jacking subassembly can be with lifting plate jacking, thereby make the heavy object promote to bus floor height, thereby conveniently carry, when the lifting plate is by the jacking, PMKD and ground are as supporting, can make the lifting process more stable.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of the structure of a bus lifting device for assisting in lifting heavy objects according to the present invention;
FIG. 2 is a schematic view of the structure A-A of FIG. 1;
FIG. 3 is a schematic diagram of B-B of FIG. 1;
FIG. 4 is a schematic diagram of the structure of C-C in FIG. 1;
FIG. 5 is a schematic diagram of D-D of FIG. 1;
FIG. 6 is a schematic diagram of the structure of E-E in FIG. 1;
fig. 7 is a schematic structural view of the bus lifting device for assisting heavy objects in working state according to the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front," "back," "left," "right," "upper," and "lower" refer to directions in the drawings, and the terms "bottom" and "top," "inner," and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1 to 7, a lifting device for assisting a bus with heavy objects comprises a chassis 11, wherein a lifting bottom plate 13 is arranged at the bottom of the chassis 11, a loading mechanism capable of extending the lifting bottom plate 13 outwards and dragging the heavy objects onto the lifting bottom plate 13 is arranged in the chassis 11, the loading mechanism comprises a turning assembly 901 capable of rotating the lifting bottom plate 13 outwards, the turning assembly 901 comprises a lifting guide rod 12 fixedly installed on one side of the lifting bottom plate 13 close to the chassis 11, a turning gear 18 is rotatably installed in the chassis 11, the lifting guide rod 12 is vertically and slidably installed in the turning gear 18, a turning push rod 19 is fixedly installed on the same side of the lifting bottom plate 13, the turning push rod 19 is slidably installed in the turning gear 18, and the loading mechanism further comprises a descending assembly 902 capable of descending the lifting bottom plate 13 to facilitate loading, the descending assembly 902 includes an arc-shaped groove 40 which is arranged on the lifting bottom plate 13 and takes the lifting guide rod 12 as a circle center, and a lower pressing block 27 is slidably mounted in the arc-shaped groove 40.
As shown in fig. 2, the turnover assembly 901 further includes a turnover rack 16 slidably mounted in the chassis 11, and a boosting spring 17 connected to the chassis 11 is disposed at one end of the turnover rack 16.
As shown in fig. 2 to 3, the descending assembly 902 further includes a driving push block 25 slidably mounted in the chassis 11, the bottom of the driving push block 25 is hinged to a descending swing rod 26, the other end of the descending swing rod 26 is hinged to the lower press block 27, one side of the driving push block 25, which is far away from the lower press block 27, is connected to a buffer spring 24, the other end of the buffer spring 24 is connected to a buffer push plate 23, and the buffer push plate 23 is slidably mounted in the chassis 11.
As shown in fig. 2, be provided with in the vehicle chassis 11 and drive the pneumatic assembly 903 that lifting bottom plate 13 rotates and descends, pneumatic assembly 903 including set up in cylinder 14 in the vehicle chassis 11, the flexible fixed mounting of cylinder 14 has pneumatic push pedal 15, pneumatic push pedal 15 can block upset rack 16 slides, pneumatic push pedal 15 can promote after sliding one section distance buffering push pedal 23 slides to it slides to drive ejector pad 25 through buffer spring 24, slidable mounting has the pull rod 20 that resets in the drive ejector pad 25, the pull rod 20 that resets keeps away from pneumatic push pedal 15 one end fixed mounting has the push pedal 21 that resets, reset push pedal 21 with be connected with traction spring 22 between the pneumatic push pedal 15, the push pedal 21 that resets can drive when pneumatic push pedal 15 pulls back drive ejector pad 25 resets.
As shown in fig. 6, a lifting plate 39 is disposed between the lifting bottom plate 13 and the chassis 11, the lifting plate 39 is slidably mounted between the lifting guide rod 12 and the lower pressing block 27, a guide plate 42 is disposed at an end of the lifting plate 39 away from the lifting guide rod 12 and the lower pressing block 27, the lifting plate 39 can be spliced together from top to bottom, and the lifting plate 39 can drag the guide plate 42 to slide.
As shown in fig. 4 and 5, the lifting bottom plate 13 is provided with a jacking assembly 905 which can make the lifting plate 39 rise to the same height as the chassis 11, the jacking assembly 905 comprises a jacking slider 33 slidably mounted in the lifting bottom plate 13, the jacking sliding block 33 is provided with a return spring 41 connected with the lifting bottom plate 13, the jacking sliding block 33 is fixedly provided with an installation block 34, two sides of the installation block 34 are respectively hinged with a jacking rod 35 and a directional rod 36, the lifting rod 35 and the orientation rod 36 have the same length and are parallel to each other, the other ends of the lifting rod 35 and the orientation rod 36 are hinged at the bottom of the rotating disc 38, the rotating disc 38 is rotatably installed in the middle of the lifting plate 39, the middle of the orientation rod 36 is rotatably installed with a support rod 37, and the other end of the support rod 37 is rotatably installed in the middle of the lifting bottom plate 13.
As shown in fig. 1 and 4, a wire wheel assembly 904 capable of driving the jacking slider 33 to slide is arranged in the lifting bottom plate 13, the wire wheel assembly 904 comprises a motor 28 arranged at the top of the lifting guide rod 12, a power rod 29 extending into the lifting bottom plate 13 is arranged on the motor 28, a reel 30 is fixedly mounted on the power rod 29 in the lifting bottom plate 13, a traction rope 31 is wound on the reel 30, a steering pulley 32 is rotatably mounted in the middle of the lifting bottom plate 13, and the traction rope 31 is wound around the steering pulley 32 and is connected to one side, close to the steering pulley 32, of the jacking slider 33.
In an initial state, the lifting bottom plate 13 is positioned below the chassis 11 and does not descend, the traction spring 22 is in a stretching state, and the boosting spring 17 is in a compressing state;
when the lifting bottom plate 13 rotates outwards, the lifting plate 39 can be driven by the jacking assembly 905 to slide outwards and drive the guide plate 42 to slide between the lifting guide rod 12 and the lower pressing block 27, when the lifting bottom plate 13 slides to contact with the buffer pushing plate 23, the buffer pushing plate 23 is pushed to slide, the pushing block 25 is pushed to move by the buffer spring 24, so that the descending swing rod 26 swings, and the lower pressing block 27 descends and drives the lifting bottom plate 13 to descend to the ground, at this time, the weight is pulled over the lifting plate 39, and then the motor 28 is started to rotate the power rod 29, so as to rotate the reel 30 to start winding the traction rope 31, thereby pulling the jacking slider 33 to slide, so as to drive the directional rod 36 to turn upwards through the support rod 37, thereby jacking the rotating disc 38, so as to separate the power rod 29 from the guide plate 42, and simultaneously, the jacking rod 35 swings at the same time, so that the lifting plate 39 is kept horizontal, so that the lifting plate 39 can lift the weight.
After the work is finished, the reverse rotation motor 28 makes the hauling rope 31 relax, thereby make the jacking slider 33 reset under the effect of reset spring 41, thereby make the lifting plate 39 descend, and splice with deflector 42, later shrink cylinder 14, thereby make pneumatic push pedal 15 slide, thereby through the push pedal 21 that resets of the pulling rod 20 pulling that resets, thereby promote the drive ejector pad 25 and slide and reset, thereby make the lifting bottom plate 13 rise and reset, push it to slide when pneumatic push pedal 15 contacts with slip and upset rack 16, thereby make upset gear 18 rotate, thereby drive lifting bottom plate 13 and rotate and reset, and drive through jacking subassembly 905 and lift plate 39 and slide to the chassis 11 bottom.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a lifting device of bus on supplementary heavy object, includes vehicle chassis (11), its characterized in that: the vehicle chassis (11) bottom is provided with a lifting bottom plate (13), the vehicle chassis (11) is provided with a loading mechanism, the loading mechanism comprises a turnover assembly (901), the turnover assembly (901) comprises a lifting guide rod (12) fixedly installed on the lifting bottom plate (13) near one side of the vehicle chassis (11), the vehicle chassis (11) is rotatably provided with a turnover gear (18), the lifting guide rod (12) is vertically and slidably installed in the turnover gear (18), the lifting bottom plate (13) is also fixedly provided with a turnover push rod (19) on the same side, the turnover push rod (19) is slidably installed in the turnover gear (18), the loading mechanism further comprises a descending assembly (902), the descending assembly (902) comprises an arc-shaped groove (40) which is arranged on the lifting bottom plate (13) and takes the lifting guide rod (12) as the circle center, and a lower pressing block (27) is slidably arranged in the arc-shaped groove (40).
2. A bus lifting device as claimed in claim 1, wherein: the overturning assembly (901) further comprises an overturning rack (16) which is slidably mounted in the chassis (11), and one end of the overturning rack (16) is provided with a boosting spring (17) connected with the chassis (11).
3. A bus lifting device as claimed in claim 1, wherein: descending subassembly (902) still including slidable mounting in drive ejector pad (25) in vehicle bottom dish (11), drive ejector pad (25) bottom articulates there is descending pendulum rod (26), descend pendulum rod (26) other end articulate in on lower briquetting (27), drive ejector pad (25) are kept away from lower briquetting (27) one side is connected with buffer spring (24), the buffer spring (24) other end is connected with buffering push pedal (23), buffering push pedal (23) slidable mounting in vehicle bottom dish (11).
4. A bus lifting device as claimed in claim 3, wherein: be provided with in vehicle chassis (11) and drive lifting bottom plate (13) rotate and pneumatic component (903) that descend, pneumatic component (903) including set up in cylinder (14) in vehicle chassis (11), cylinder (14) flexible end fixed mounting has pneumatic push pedal (15), slidable mounting has in drive ejector pad (25) pull rod (20) that resets, pull rod (20) that resets are kept away from pneumatic push pedal (15) one end fixed mounting has push pedal (21) that resets, push pedal (21) that resets with be connected with traction spring (22) between pneumatic push pedal (15).
5. A bus lifting device as claimed in claim 1, wherein: a lifting plate (39) is arranged between the lifting bottom plate (13) and the chassis (11), the lifting plate (39) is slidably mounted between the lifting guide rod (12) and the lower pressing block (27), and a guide plate (42) is arranged at one end, far away from the lifting guide rod (12) and the lower pressing block (27), of the lifting plate (39).
6. A bus lifting device as claimed in claim 5, wherein: the lifting bottom plate (13) is provided with a jacking component (905), the jacking component (905) comprises a jacking sliding block (33) which is slidably arranged in the lifting bottom plate (13), a return spring (41) connected with the lifting bottom plate (13) is arranged on the lifting slide block (33), an installation block (34) is fixedly installed on the jacking sliding block (33), a jacking rod (35) and an orientation rod (36) are respectively hinged to two sides of the installation block (34), the lifting rod (35) and the orientation rod (36) are of the same length and are parallel to each other, the other ends of the jacking rod (35) and the directional rod (36) are hinged at the bottom of the rotating disc (38), the rotating disc (38) is rotatably provided with the middle part of the lifting plate (39), the middle part of the orientation rod (36) is rotatably provided with a support rod (37), the other end of the supporting rod (37) is rotatably arranged in the middle of the lifting bottom plate (13).
7. A bus lifting device as claimed in claim 6, wherein: be provided with line wheel subassembly (904) in lifting bottom plate (13), line wheel subassembly (904) including set up in motor (28) at lifting guide (12) top, be provided with the extension on motor (28) and get into power rod (29) of lifting bottom plate (13) in lifting bottom plate (13) last fixed mounting of power rod (29) has reel (30), the winding has haulage rope (31) on reel (30), lifting bottom plate (13) middle part is rotated and is installed diverting pulley (32), haulage rope (31) are walked around diverting pulley (32) connect in jacking slider (33) are close to diverting pulley (32) one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110355807.7A CN112937403A (en) | 2021-04-01 | 2021-04-01 | Lifting device for assisting heavy object to go up bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110355807.7A CN112937403A (en) | 2021-04-01 | 2021-04-01 | Lifting device for assisting heavy object to go up bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112937403A true CN112937403A (en) | 2021-06-11 |
Family
ID=76232027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110355807.7A Withdrawn CN112937403A (en) | 2021-04-01 | 2021-04-01 | Lifting device for assisting heavy object to go up bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112937403A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310811A (en) * | 2021-12-16 | 2022-04-12 | 西安理工大学 | Workpiece turnover mechanism |
| CN118870703A (en) * | 2024-09-25 | 2024-10-29 | 陕西标天信息科技有限公司 | A smart Internet of Things server chassis |
-
2021
- 2021-04-01 CN CN202110355807.7A patent/CN112937403A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310811A (en) * | 2021-12-16 | 2022-04-12 | 西安理工大学 | Workpiece turnover mechanism |
| CN114310811B (en) * | 2021-12-16 | 2024-02-27 | 西安理工大学 | Workpiece overturning mechanism |
| CN118870703A (en) * | 2024-09-25 | 2024-10-29 | 陕西标天信息科技有限公司 | A smart Internet of Things server chassis |
| CN118870703B (en) * | 2024-09-25 | 2024-12-27 | 西咸新区华捷创科信息技术有限公司 | A smart Internet of Things server chassis |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112937403A (en) | Lifting device for assisting heavy object to go up bus | |
| CN111825012B (en) | Detachable forklift device for loading and unloading operation of high-platform carriage | |
| CN201367751Y (en) | Modified fork type automobile porter used in solid garage | |
| CN207063636U (en) | Carrier for AisleStack three-dimensional parking device | |
| US3235106A (en) | Lifter transport vehicle | |
| JP4678628B2 (en) | Towing mechanism of hill carriage | |
| CN218231757U (en) | Hydraulic lifting machine for freight turnover | |
| CN111619421A (en) | Convenient loading and unloading boxcar | |
| CN214273108U (en) | Vehicle-carrying platform | |
| CN204676946U (en) | Single-arm suspension parking of automobile frame | |
| CN211286856U (en) | Self-balancing double-layer parking device | |
| CN211869229U (en) | Transfer transport vehicle for cargo van-type vehicle | |
| CN209777362U (en) | Double-column stacker of intelligent stereo garage | |
| CN211007833U (en) | Three-dimensional parking garage | |
| CN203946002U (en) | A kind of translation dumping car | |
| CN218319629U (en) | Mobile electric hydraulic dock leveler | |
| CN106672866A (en) | Small-sized forklift capable of going up and down steps | |
| CN112406680A (en) | Inside and outside railway carriage or compartment shell type hard lift top car as a house | |
| CN215886242U (en) | Intelligent carrier | |
| CN220518652U (en) | Movable tarpaulin cover for freight vehicle | |
| CN219279412U (en) | Fork truck that transportation is stable | |
| CN110901504A (en) | Container type vehicle transfer transport vehicle | |
| CN219857148U (en) | Luggage rack for motor train unit based on modular design | |
| CN216231914U (en) | Lifting device of double-layer vehicle transport vehicle | |
| CN216611298U (en) | Material conveying device for road and bridge construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210611 |