CN112224264A - Cargo carrying vehicle with stair climbing auxiliary supporting structure - Google Patents
Cargo carrying vehicle with stair climbing auxiliary supporting structure Download PDFInfo
- Publication number
- CN112224264A CN112224264A CN202011113798.2A CN202011113798A CN112224264A CN 112224264 A CN112224264 A CN 112224264A CN 202011113798 A CN202011113798 A CN 202011113798A CN 112224264 A CN112224264 A CN 112224264A
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- Prior art keywords
- plate
- rotating
- support
- mounting
- placing
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- 230000009194 climbing Effects 0.000 title claims description 20
- 238000009434 installation Methods 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000001179 sorption measurement Methods 0.000 claims description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 230000007723 transport mechanism Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/0026—Propulsion aids
- B62B5/0033—Electric motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/02—Accessories or details specially adapted for hand carts providing for travelling up or down a flight of stairs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/06—Endless track vehicles with tracks without ground wheels
- B62D55/075—Tracked vehicles for ascending or descending stairs, steep slopes or vertical surfaces
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The invention discloses a goods-pulling vehicle with an auxiliary stair-climbing supporting structure, which relates to the technical field of goods-pulling vehicles and comprises an installation support, a conveying mechanism, a rotating plate and a placing plate, wherein the conveying mechanism is installed at the bottom of the installation support and used for integral movement of the goods-pulling vehicle, the conveying mechanism obliquely arranged in the invention can flexibly climb up stairs, the economic value is high, the placing plate used for placing objects is of an inclinable structure, the connecting plate can be jacked up through the extension and retraction of a first electric hydraulic rod during actual use, so that the placing plate at the top of the connecting plate is controlled to lift up and down, the goods are kept horizontal when going up stairs, the integral stability of the goods-pulling vehicle is kept, the auxiliary supporting component is also arranged, a protective fence can be formed on the side surface of the placing plate, the goods are prevented from sliding off when going up stairs, the functionality is stronger, the detachable roller components, when moving on the flat ground, the roller can be taken down and inserted into the roller slot, so that the flat ground can be conveniently moved.
Description
Technical Field
The invention relates to the technical field of cargo trucks, in particular to a cargo truck with an auxiliary stair climbing supporting structure.
Background
In some multi-storey buildings without elevators, some goods need to be transported sometimes, particularly in some household buildings or commercial villas, when some large-scale furniture is purchased, the large-scale furniture needs to be sent to a high-rise building, the conventional trolley is difficult to climb stairs, most of the conventional trolley can only move on the flat ground, and although some smooth stairs can be built for the movement of the trolley, the method is too complicated and difficult to popularize in a large area, or one person throws down a lifting rope on the building, and the other person ties up the lifting rope on an object under the building, and the object is transported by adopting a lifting mode, so that the method is also too complicated, the practicability is not strong, the stability is not high, collision damage can be caused to the transported object, and therefore, the trolley with the auxiliary stair supporting structure is needed.
Disclosure of Invention
The invention aims to provide a trolley with an auxiliary stair climbing supporting structure, which aims to solve the problems that the stair climbing is inconvenient and not stable enough in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a trolley with an auxiliary stair climbing supporting structure comprises an installation support, a conveying mechanism, a rotating plate and a placing plate, wherein the conveying mechanism is installed at the bottom of the installation support and used for integral movement of the trolley, the rotating plate is installed at the top of the installation support through a first rotating shaft, the placing plate is welded on one side of the rotating plate, so that the placing plate and the rotating plate are of an integrated structure and are more convenient and fast to use, a detachable roller wheel component is fixedly installed on one side of the rotating plate and used for supporting and moving flatly, a placing groove is formed in the top of the placing plate, an auxiliary supporting component is installed in the placing groove and used for auxiliary supporting of articles placed on the placing plate and preventing the articles from sliding down when going upstairs, two second electric hydraulic rods are fixedly installed at the top of the rotating plate, an arc-shaped support is installed at the tops of the second electric hydraulic rods, the electric appliance control device is characterized in that a pulling handle is fixedly arranged in the arc-shaped support, the pulling handle is more convenient to control integrally, the pulling handle is fixedly provided with a starting and stopping switch of each electric appliance in the electric appliance control device, the control is more convenient, the two sides of the mounting support are respectively provided with a roller slot, a storage battery is fixedly arranged in the mounting support, and the storage battery is a rechargeable lithium battery and provides electric energy for each electric appliance in the electric appliance control device.
Preferably, the conveying mechanism comprises two driving motors, two guide cylinders and a conveying crawler, wherein the guide cylinders are mounted on output shafts of the driving motors, and the guide cylinders are driven to rotate by the driving motors.
Preferably, the conveying crawler is mounted between the two guide cylinders, the guide cylinders are in gear connection with the conveying crawler, and the guide cylinders drive the conveying crawler to rotate so as to realize conveying.
Preferably, a mounting groove is formed in the top of the mounting bracket, a first rotating bracket is fixedly mounted at the top of the mounting groove, a first electric hydraulic rod is fixedly mounted on the first rotating bracket, a connecting plate is welded at the bottom of the placing plate, and the first rotating bracket is connected with the first electric hydraulic rod, so that the first electric hydraulic rod is of a movable structure.
Preferably, a second rotating support is fixedly mounted on the connecting plate, the second rotating support is fixedly connected with the telescopic end of the first electric hydraulic rod, and the connecting plate can be jacked up through the telescopic end of the first electric hydraulic rod, so that the placing plate at the top of the connecting plate is controlled to lift up and down, and the article can be kept horizontal when the connecting plate goes upstairs.
Preferably, the detachable roller assembly comprises an installation box, a roller and a thread installation cylinder, the connecting plate is fixedly provided with a motor, the thread installation cylinder is installed on an output shaft of the motor, and the motor drives the thread installation cylinder to rotate.
Preferably, install the pole of interlude on the gyro wheel, the gyro wheel with the pole of interlude formula structure as an organic whole realizes basic support removal function, the pole activity of interlude is worn to establish on the install bin, the welding of pole one end of interlude has the threaded rod, the threaded rod screw thread is installed in the threaded installation section of thick bamboo, utilize the pivoted the threaded installation section of thick bamboo is right the threaded rod is twisted and is moved, thereby will the threaded rod is fixed, makes the loading and unloading of gyro wheel are more convenient.
Preferably, the auxiliary supporting assembly comprises a third rotating support, a rotating installation plate and a rotating adsorption plate, the rotating installation plate is movably installed in the placing groove through the third rotating support, the rotating installation plate can flexibly move in the placing groove, and the rotating installation plate is supported to be limited by the side face of the placing groove when rotating to be vertical.
Preferably, the rotation adsorption plate is installed through the rotation of second axis of rotation on the rotation mounting panel, the rotation adsorption plate is kept away from the one end fixed mounting of second axis of rotation has the electro-magnet, the quantity of auxiliary stay subassembly is two, utilizes two on the rotation adsorption plate the electro-magnet adsorbs each other the realization is fixed, makes auxiliary stay subassembly is in place the side of board and form a rail guard.
The invention has the technical effects and advantages that:
1. the stair climbing device is convenient and fast to use, convenient to move and simple to control, the conveying mechanism arranged in an inclined mode can flexibly climb up stairs, and the economic value is high.
2. The placing plate for placing the objects is of a tiltable structure, and the connecting plate can be jacked up through the extension and retraction of the first electric hydraulic rod in actual use, so that the placing plate at the top of the connecting plate is controlled to lift, the placing plate is used for keeping the objects horizontal when the connecting plate goes upstairs, and the overall stability of the device is kept.
3. The auxiliary supporting assembly is further arranged, a protective guard can be formed on the side face of the placing plate, articles are prevented from sliding off when the articles go upstairs, and the function is stronger.
4. The detachable roller assembly is of a detachable structure, has no influence when climbing stairs, can be taken down to be inserted into the roller slot when moving on the ground, and is convenient to move on the ground.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a sectional view of the detachable roller assembly of the present invention.
Fig. 3 is a schematic view of a single auxiliary support assembly of the present invention.
Fig. 4 is a schematic view of the connection of two auxiliary support members according to the present invention.
In the figure: 1. mounting a bracket; 2. a transport mechanism; 3. a rotating plate; 4. placing the plate; 5. a first rotating shaft; 6. the roller components can be disassembled; 7. mounting grooves; 8. a first rotating bracket; 9. a connecting plate; 10. a second rotating bracket; 11. a first electro-hydraulic lever; 12. a placement groove; 13. an auxiliary support assembly; 14. a second electro-hydraulic ram; 15. an arc-shaped bracket; 16. pulling the handle; 17. a roller slot; 18. installing a box; 19. an electric motor; 20. a threaded mounting cylinder; 21. inserting the rod; 22. a threaded rod; 23. a roller; 24. rotating the mounting plate; 25. rotating the adsorption plate; 26. a third rotating bracket; 27. a second rotating shaft; 28. an electromagnet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a trolley with an auxiliary stair climbing supporting structure as shown in figures 1-4, which comprises a mounting bracket 1, a conveying mechanism 2, a rotating plate 3 and a placing plate 4, wherein the conveying mechanism 2 is mounted at the bottom of the mounting bracket 1 and used for integral movement of the invention, the rotating plate 3 is mounted at the top of the mounting bracket 1 through a first rotating shaft 5, the placing plate 4 is welded at one side of the rotating plate 3, so that the placing plate 4 and the rotating plate 3 are of an integral structure and are more convenient and fast to use, a detachable roller assembly 6 is fixedly mounted at one side of the rotating plate 3 and used for flat supporting movement, a placing groove 12 is formed at the top of the placing plate 4, an auxiliary supporting assembly 13 is mounted in the placing groove 12 and used for auxiliary supporting of articles placed on the placing plate 4 and preventing the articles from sliding off when going upstairs, two second electric hydraulic rods 14 are fixedly mounted at the top of the rotating plate, the top of the second electric hydraulic rod 14 is provided with an arc-shaped support 15, a pulling handle 16 is fixedly arranged in the arc-shaped support 15, the pulling handle 16 is more convenient for the overall control of the electric hydraulic rod, the pulling handle 16 is fixedly provided with an on-off switch of each electric appliance in the electric hydraulic rod, the electric hydraulic rod is more convenient to control, two sides of the mounting support 1 are respectively provided with a roller slot 17, a storage battery is fixedly arranged in the mounting support 1, and the storage battery is a rechargeable lithium battery and provides electric energy for each electric appliance in the electric hydraulic rod.
In the embodiment, referring to fig. 1 specifically, the conveying mechanism 2 includes two driving motors, two guide cylinders and a conveying track, the guide cylinders are mounted on the output shafts of the driving motors, and the driving motors drive the guide cylinders to rotate.
In the embodiment, referring to fig. 1 in particular, the conveying track is installed between two guide cylinders, the guide cylinders are in gear connection with the conveying track, and the conveying track is driven by the guide cylinders to rotate so as to realize conveying.
In this embodiment, specifically refer to fig. 1, mounting groove 7 has been seted up at mounting bracket 1 top, and mounting groove 7 top fixed mounting has first rotation support 8, and fixed mounting has first electronic hydraulic stem 11 on first rotation support 8, places board 4 bottom welding and has connecting plate 9, connects first electronic hydraulic stem 11 through first rotation support 8 for first electronic hydraulic stem 11 is the active structure.
In this embodiment, referring to fig. 1 specifically, a second rotating bracket 10 is fixedly mounted on the connecting plate 9, the second rotating bracket 10 is fixedly connected with the telescopic end of the first electro-hydraulic rod 11, and the connecting plate 9 can be jacked up by the telescopic end of the first electro-hydraulic rod 11, so that the placing plate 4 at the top of the connecting plate 9 is controlled to lift up and down for keeping articles horizontal when going upstairs.
In the embodiment, referring to fig. 2 in particular, the detachable roller assembly 6 includes a mounting box 18, a roller 23 and a threaded mounting barrel 20, a motor 19 is fixedly mounted on the connecting plate 9, the threaded mounting barrel 20 is mounted on an output shaft of the motor 19, and the threaded mounting barrel 20 is driven by the motor 19 to rotate.
In this embodiment, specifically refer to fig. 2, install insertion rod 21 on gyro wheel 23, gyro wheel 23 and insertion rod 21 formula structure as an organic whole realize basic support removal function, and insertion rod 21 activity is worn to establish on install bin 18, and the welding of insertion rod 21 one end has threaded rod 22, and threaded rod 22 threaded mounting utilizes pivoted threaded mounting section of thick bamboo 20 to twist threaded rod 22 in threaded mounting section of thick bamboo 20 to it is fixed with threaded rod 22, makes the loading and unloading of gyro wheel 23 more convenient.
In this embodiment, referring to fig. 3 in particular, the auxiliary supporting assembly 13 includes a third rotating bracket 26, a rotating mounting plate 24 and a rotating adsorption plate 25, the rotating mounting plate 24 is movably mounted in the placing groove 12 through the third rotating bracket 26, the rotating mounting plate 24 can flexibly move in the placing groove 12, and the side of the placing groove 12 is pressed against and limited when the rotating mounting plate is rotated to be vertical.
In this embodiment, referring to fig. 4 in particular, the rotary adsorption plate 25 is rotatably mounted on the rotary mounting plate 24 through the second rotating shaft 27, the electromagnets 28 are fixedly mounted at one end of the rotary adsorption plate 25 away from the second rotating shaft 27, the number of the auxiliary support assemblies 13 is two, and the electromagnets 28 on the two rotary adsorption plates 25 are mutually adsorbed to realize fixation, so that the auxiliary support assemblies 13 form a protective fence on the side surface of the placing plate 4.
The working principle of the invention is as follows: when the stair climbing device is used, the storage battery provides electric energy for each electric appliance, the auxiliary supporting component 13 is rotated to the upper side, the electromagnets 28 on the two rotary adsorption plates 25 are mutually adsorbed to realize fixation, the auxiliary supporting component 13 forms a protective fence on the side surface of the placing plate 4, then an object to be transported is placed in the placing groove 12 and can be transported in a moving mode, when the stair climbing device needs to climb, due to the special structure of the conveying mechanism 2, particularly as shown in fig. 1, the front section is an inclining mechanism and can smoothly climb up the stair, the first electric hydraulic rod 11 is controlled to stretch and retract to jack the connecting plate 9, the placing plate 4 on the top of the connecting plate 9 is controlled to lift, the object is kept horizontal, and the object can stably ascend the stair, so that the stair climbing device is simple in operation, strong in practicability and high in economic value.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a cargo carrying vehicle with climb supplementary bearing structure of stair, includes installing support (1), transport mechanism (2), rotor plate (3) and places board (4), its characterized in that: the conveying mechanism (2) is arranged at the bottom of the mounting bracket (1) and used for integral movement, the rotating plate (3) is arranged at the top of the mounting bracket (1) through a first rotating shaft (5), the placing plate (4) is welded at one side of the rotating plate (3), so that the placing plate (4) and the rotating plate (3) are of an integral structure and are more convenient and fast to use, a detachable roller assembly (6) is fixedly arranged at one side of the rotating plate (3) and used for supporting and moving flatly, a placing groove (12) is formed in the top of the placing plate (4), an auxiliary supporting assembly (13) is arranged in the placing groove (12) and used for auxiliary supporting of articles placed on the placing plate (4) and preventing the articles from sliding down when going upstairs, two second electric hydraulic rods (14) are fixedly arranged at the top of the rotating plate (3), an arc-shaped support (15) is installed at the top of the second electric hydraulic rod (14), a pulling handle (16) is fixedly installed in the arc-shaped support (15), the pulling handle (16) is more convenient for overall control of the electric power tool, an opening and closing switch of each electric power tool is fixedly arranged on the pulling handle (16), the electric power tool is more convenient to control, roller slots (17) are formed in two sides of the installation support (1), a storage battery is fixedly installed in the installation support (1), and the storage battery is a rechargeable lithium battery and provides electric energy for each electric power tool.
2. A wagon having a stair climbing auxiliary support structure as claimed in claim 1, wherein: the conveying mechanism (2) comprises two driving motors, two guide cylinders and a conveying crawler belt, wherein the guide cylinders are installed on output shafts of the driving motors, and the guide cylinders are driven to rotate by the driving motors.
3. A wagon having a stair climbing auxiliary support structure as claimed in claim 1, wherein: the conveying crawler belt is arranged between the two guide cylinders, the guide cylinders are in gear connection with the conveying crawler belt, and the guide cylinders are used for driving the conveying crawler belt to rotate so as to realize conveying.
4. A wagon having a stair climbing auxiliary support structure as claimed in claim 1, wherein: mounting groove (7) have been seted up at installing support (1) top, mounting groove (7) top fixed mounting has first rotation support (8), fixed mounting has first electronic hydraulic stem (11) on first rotation support (8), place board (4) bottom welding has connecting plate (9), through first rotation support (8) are connected first electronic hydraulic stem (11), make first electronic hydraulic stem (11) are the active structure.
5. A wagon having a stair climbing auxiliary support structure as claimed in claim 4, wherein: a second rotating support (10) is fixedly mounted on the connecting plate (9), the second rotating support (10) is fixedly connected with the telescopic end of the first electric hydraulic rod (11), and the connecting plate (9) can be jacked up through the telescopic end of the first electric hydraulic rod (11), so that the placing plate (4) at the top of the connecting plate (9) is controlled to lift up and down for keeping articles horizontal when going upstairs.
6. A wagon having a stair climbing auxiliary support structure as claimed in claim 1, wherein: the detachable roller assembly (6) comprises an installation box (18), a roller (23) and a thread installation cylinder (20), a motor (19) is fixedly installed on the connecting plate (9), the thread installation cylinder (20) is installed on an output shaft of the motor (19), and the motor (19) drives the thread installation cylinder (20) to rotate.
7. A wagon having a stair climbing auxiliary support structure as claimed in claim 6, wherein: install interlude pole (21) on gyro wheel (23), gyro wheel (23) with interlude pole (21) formula structure as an organic whole realizes basic support removal function, the activity of interlude pole (21) is worn to establish on install bin (18), the welding of interlude pole (21) one end has threaded rod (22), threaded rod (22) screw thread is installed in threaded installation section of thick bamboo (20), utilizes the pivoted threaded installation section of thick bamboo (20) is right threaded rod (22) are twisted and are moved, thereby will threaded rod (22) are fixed, make the loading and unloading of gyro wheel (23) are more convenient.
8. A wagon having a stair climbing auxiliary support structure as claimed in claim 1, wherein: the auxiliary supporting assembly (13) comprises a third rotating support (26), a rotating mounting plate (24) and a rotating adsorption plate (25), the rotating mounting plate (24) is movably mounted in the placing groove (12) through the third rotating support (26), the rotating mounting plate (24) can flexibly move in the placing groove (12), and the rotating mounting plate is pressed against the side face of the placing groove (12) to be limited when rotating to be vertical.
9. A wagon having a stair climbing auxiliary support structure as claimed in claim 8, wherein: rotate adsorption plate (25) and rotate through second axis of rotation (27) and install on rotation mounting panel (24), it keeps away from to rotate adsorption plate (25) the one end fixed mounting of second axis of rotation (27) has electro-magnet (28), the quantity of auxiliary stay subassembly (13) is two, utilizes two rotate on adsorption plate (25) electro-magnet (28) adsorb each other and realize fixing, make auxiliary stay subassembly (13) are in place the side of board (4) and form a rail guard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011113798.2A CN112224264A (en) | 2020-10-17 | 2020-10-17 | Cargo carrying vehicle with stair climbing auxiliary supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011113798.2A CN112224264A (en) | 2020-10-17 | 2020-10-17 | Cargo carrying vehicle with stair climbing auxiliary supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112224264A true CN112224264A (en) | 2021-01-15 |
Family
ID=74118874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011113798.2A Withdrawn CN112224264A (en) | 2020-10-17 | 2020-10-17 | Cargo carrying vehicle with stair climbing auxiliary supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112224264A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113320342A (en) * | 2021-07-02 | 2021-08-31 | 李洪滨 | Rail car for high-speed rescue |
| CN114261455A (en) * | 2021-11-29 | 2022-04-01 | 江苏丞工科技有限公司 | Climbing device |
| CN116534096A (en) * | 2022-01-25 | 2023-08-04 | 昆山十全塑胶五金产品有限公司 | Truck with foldable wheels |
-
2020
- 2020-10-17 CN CN202011113798.2A patent/CN112224264A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113320342A (en) * | 2021-07-02 | 2021-08-31 | 李洪滨 | Rail car for high-speed rescue |
| CN114261455A (en) * | 2021-11-29 | 2022-04-01 | 江苏丞工科技有限公司 | Climbing device |
| CN116534096A (en) * | 2022-01-25 | 2023-08-04 | 昆山十全塑胶五金产品有限公司 | Truck with foldable wheels |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210115 |
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| WW01 | Invention patent application withdrawn after publication |