CN112896255A - Coaxial trolley and trailer - Google Patents
Coaxial trolley and trailer Download PDFInfo
- Publication number
- CN112896255A CN112896255A CN202110329782.3A CN202110329782A CN112896255A CN 112896255 A CN112896255 A CN 112896255A CN 202110329782 A CN202110329782 A CN 202110329782A CN 112896255 A CN112896255 A CN 112896255A
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- connecting rod
- trolley
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- 230000000712 assembly Effects 0.000 claims abstract description 17
- 238000000429 assembly Methods 0.000 claims abstract description 17
- 238000005096 rolling process Methods 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 5
- 238000003860 storage Methods 0.000 abstract description 9
- 238000011065 in-situ storage Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/001—Steering devices
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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
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The invention provides a coaxial trolley which comprises a connecting piece, a trolley frame and trundle components rotationally connected with the trolley frame, wherein two trundle components are respectively arranged on two sides of the front end of the trolley frame, two trundle components positioned on the front end of the trolley frame are connected through a first connecting rod, two trundle components are respectively arranged on two sides of the rear end of the trolley frame, and two trundle components positioned on the rear end of the trolley frame are connected through a second connecting rod; one end of the connecting piece is connected with the left side of the first connecting rod, and the other end of the connecting piece is connected with the right side of the second connecting rod, so that the first connecting rod and the second connecting rod synchronously rotate. According to the technical scheme, the second connecting rod is synchronously driven to rotate when the first connecting rod rotates, so that the two caster assemblies at the rear end are indirectly driven to rotate, the coaxial trolley can rotate 360 degrees in situ, the utilization rate of logistics storage space is improved, and the storage cost is reduced.
Description
Technical Field
The invention relates to the technical field of transportation tools, in particular to a coaxial trolley and a trailer.
Background
The trolley is a transport tool which can be seen in a warehouse, a goods yard or a logistics center frequently and is used for transporting short-distance goods, and has the characteristics of economy and convenience in use. The common four-wheel trolley structure generally comprises a frame, a handle connected with the frame and wheels arranged below the frame, wherein the wheels generally comprise a pair of front wheels and a pair of rear wheels, the front wheels and the rear wheels are arranged side by side, at least one of the front wheels and the rear wheels is a universal wheel, and the two groups of the front wheels and the rear wheels are four-wheel trolleys adopting universal wheels; for the four-wheel trolley with only one group of universal wheels in the front wheels and the rear wheels, although the direction is relatively easy to control when the four-wheel trolley is pushed forwards in a straight line, the four-wheel trolley cannot realize steering in 360 degrees on site, if a larger space is needed for steering (the turning radius is the distance between the front wheels and the rear wheels, the more the number of the traction trolleys is, the larger the turning angle requirement is), in the occasion with high space utilization requirement, such as a warehouse or a goods yard, the space utilization rate is reduced, and the storage cost is increased.
Disclosure of Invention
The invention mainly aims to provide a coaxial trolley and a trailer, and aims to solve the technical problems that the stability of the trolley in the prior art is poor and the turning direction is difficult to control.
In order to achieve the purpose, the invention provides a coaxial trolley, which comprises a connecting piece, a trolley frame and trundle components rotationally connected with the trolley frame, wherein two sides of the front end of the trolley frame are respectively provided with one trundle component, two trundle components positioned at the front end of the trolley frame are connected through a first connecting rod, two sides of the rear end of the trolley frame are respectively provided with one trundle component, and two trundle components positioned at the rear end of the trolley frame are connected through a second connecting rod; one end of the connecting piece is connected with the left side of the first connecting rod, and the other end of the connecting piece is connected with the right side of the second connecting rod, so that the first connecting rod and the second connecting rod synchronously rotate; or one end of the first connecting piece is connected with the right side of the first connecting rod, and the other end of the first connecting piece is connected with the left side of the second connecting rod, so that the first connecting rod and the second connecting rod rotate synchronously.
Optionally, the coaxial trolley further comprises a suspension mechanism disposed between the caster assembly and the frame.
Optionally, the length of the connecting piece is 1000 mm to 1400 mm.
Optionally, the connecting member includes a first pull rod, a second pull rod, and a rotating plate, the rotating plate is disposed between the first connecting rod and the second connecting rod, and the rotating plate is rotatably connected to the frame; one end of the first pull rod is connected with the left side of the first connecting rod, and the other end of the first pull rod is connected with one end of the rotating plate; one end of the second pull rod is connected with the other end of the connecting plate, and the other end of the second pull rod is connected with the right side of the second connecting rod;
or the connecting piece comprises a first pull rod, a second pull rod and a rotating plate, one end of the first pull rod is connected with the right side of the first connecting rod, and the other end of the first pull rod is connected with one end of the rotating plate; one end of the second pull rod is connected with the other end of the connecting plate, and the other end of the second pull rod is connected with the left side of the second connecting rod.
Optionally, the length of the first pull rod and/or the second pull rod is 500 mm to 700 mm.
Optionally, the truckle subassembly includes gyro wheel and mounting bracket, the one end of mounting bracket with the frame rotates to be connected, and the other end has dodges the groove, the gyro wheel sets up dodge the inslot, be equipped with the pivot on the gyro wheel, the pivot with dodge the groove lateral wall and rotate and be connected.
Optionally, the coaxial trolley further comprises a traction hook, one end of the traction hook is connected with the first connecting rod, and the other end of the traction hook extends out of the frame.
Optionally, the towing hook includes a rolling bearing, a connecting plate, and a towing handle, the rolling bearing is disposed on the frame and located on a side of the first connecting rod away from the second connecting rod, the towing hook is connected to the rolling bearing, one end of the connecting plate is connected to the towing handle, and the other end of the connecting plate is connected to the first connecting rod.
Optionally, the connecting member is detachably connected to the first connecting rod and/or the second connecting rod.
In addition, in order to solve the problems, the invention further provides a trailer which comprises a plurality of coaxial trolleys, wherein the coaxial trolleys are connected in sequence, and two adjacent coaxial trolleys are connected through a traction hook.
According to the technical scheme, the two caster assemblies positioned at the front ends synchronously rotate through the first connection, so that the stability of the trolley moving ahead linearly is improved, and meanwhile, the second connecting rod is synchronously driven to rotate when the first connecting rod rotates through the connecting piece, so that the two caster assemblies at the rear ends are indirectly driven to rotate, the coaxial trolley can rotate in place for 360 degrees, the utilization rate of logistics storage space is improved, and the storage cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present 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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic top view of a coaxial trolley according to an embodiment of the present invention;
FIG. 2 is a schematic top view of another embodiment of the coaxial trolley of the present invention;
fig. 3 is a front view of the coaxial trolley of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
20 | Connecting |
| 21 | |
22 | |
| 23 | |
30 | |
| 31 | |
32 | |
| 33 | Dodging |
40 | First connecting |
| 50 | Second connecting |
60 | |
| 61 | |
62 | Connecting |
| 63 | Rotary bearing |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a coaxial trolley, which comprises a connecting piece 20, a trolley frame 10 and trundle components 30 rotationally connected with the trolley frame 10, wherein two sides of the front end of the trolley frame 10 are respectively provided with one trundle component 30, two trundle components 30 positioned at the front end of the trolley frame 10 are connected through a first connecting rod 40, two sides of the rear end of the trolley frame 10 are respectively provided with one trundle component 30, and two trundle components 30 positioned at the rear end of the trolley frame 10 are connected through a second connecting rod 50; one end of the connecting member 20 is connected to the left side of the first connecting rod 40, and the other end is connected to the right side of the second connecting rod 50, so that the first connecting rod 40 and the second connecting rod 50 rotate synchronously; or one end of the first connecting member 20 is connected to the right side of the first connecting rod 40, and the other end is connected to the left side of the second connecting rod 50, so that the first connecting rod 40 and the second connecting rod 50 rotate synchronously.
The front end and the rear end are located on two opposite sides of the frame 10, and during normal movement, the coaxial trolleys move from the rear end B of the frame 10 to the front end a of the frame 10. The two caster assemblies 30 (hereinafter referred to as front wheels) at the front end of the frame 10 are connected by the first connecting rod 40, so that the two caster assemblies 30 at the front end of the frame 10 rotate synchronously, the stability of the coaxial trolley in the moving process or the turning process is improved, and the caster assemblies 30 are prevented from swinging; the two caster assemblies 30 (hereinafter referred to as rear wheels) located at the rear end of the frame 10 are connected by the second connecting rod 50, so as to ensure the stability of the straight forward movement of the coaxial trolley.
The first connecting rod 40, the second wheel connecting rod and the connecting rod 20 are connected by hard connection, so that the first connecting rod 40 and the second connecting rod 50 are linked through the connecting rod 20, that is, when the first connecting rod 40 drives the front wheel to rotate, the connecting rod 20 moves along with the front wheel and can drive the second connecting rod 50 to move. In this embodiment, the both ends of connecting piece 20 respectively with the head rod 40 and the one end of the different sides of second connecting rod 50 is connected, also promptly connecting piece 20 is followed head rod 40 with diagonal between the second connecting rod 50 is connected, thereby when the front wheel carries out the turn left, head rod 40 then drives connecting piece 20 withstands second connecting rod 50 skew right, thereby makes the rear wheel rotate right, also promptly when the front wheel of coaxial platform truck rotated to the left, the rear wheel rotated right, thereby makes the rear end rotated right when the front end of frame 10 rotated to the left, realizes coaxial platform truck realizes that 360 degrees rotations in situ, and turn radius is half of the distance between the front and rear wheels, perhaps the general of connecting piece 20 length. In order to meet the site requirements of the current warehouse, cargo yard or logistics center, the length of the connecting member 20 may be set to be 1000 mm to 1400 mm, of course, the length of the connecting member 20 includes but is not limited to the above scheme, and the length of the connecting member 20 may be adjusted according to different requirements of users. In addition, the connecting member 20 and the frame 10 may also be retractable to flexibly adjust the size of the coaxial trolley, thereby improving the wide adaptability of the coaxial trolley.
According to the technical scheme, the two caster assemblies 30 positioned at the front ends synchronously rotate through the first connection, so that the stability of the trolley moving ahead linearly is improved, and meanwhile, the second connecting rod 50 is synchronously driven to rotate when the first connecting rod 40 rotates through the connecting piece 20, so that the two caster assemblies 30 at the rear ends are indirectly driven to rotate, therefore, the coaxial trolley can rotate in place for 360 degrees, the utilization rate of logistics storage space is improved, and the storage cost is reduced.
Further, the coaxial trolley further comprises a suspension mechanism disposed between the caster assemblies 30 and the frame 10. The suspension mechanism is used as a force transmission connecting device between the frame 10 and the caster wheel assembly 30, transmits force and force torque acting between the frame 10 and the caster wheel assembly 30, and simultaneously buffers impact force on the frame 10 caused by uneven road surface, so that vibration caused by the frame 10 is attenuated, the coaxial trolley can stably run, and the stability and reliability of the coaxial trolley are further improved. In this embodiment, caster assembly 30 includes gyro wheel 31 and mounting bracket 32, mounting bracket 32 one end with frame 10 rotates to be connected, and the other end has dodges groove 33, gyro wheel 31 sets up dodge in the groove 33, be equipped with the pivot on the gyro wheel 31, the pivot with dodge groove 33 lateral wall and rotate and be connected. The suspension mechanism is arranged between the mounting frame 32 and the frame 10, the rotating shaft is positioned at the central position of the roller 31, the part of the roller 31 is positioned in the avoiding groove 33, so that the rotation is convenient to pass through the rotation installation on the side wall of the avoiding groove 33, and the rotation is realized. The mounting bracket 32 may be mounted on the frame 10 through a bearing, so that the roller 31 rotates to different directions, and the first connecting rod 40 is connected to the mounting bracket 32 of the two front wheels, so that when a turn is made, the two front wheels can rotate synchronously through the first connecting rod 40.
Further, the connecting member 20 includes a first pull rod 21, a second pull rod 22 and a rotating plate 23, the rotating plate 23 is disposed between the first connecting rod 40 and the second connecting rod 50, and the rotating plate 23 is rotatably connected to the frame 10; one end of the first pull rod 21 is connected with the left side of the first connecting rod 40, and the other end of the first pull rod 21 is connected with one end of the rotating plate 23; one end of the second pull rod 22 is connected with the other end of the connecting plate 62, and the other end of the second pull rod 22 is connected with the right side of the second connecting rod 50; since the connecting member 20 is hard connected to the first connecting rod 40 and the second connecting rod 50, in order to prevent the connecting member 20 from being broken during the turning of the coaxial trolley due to the overlong length of the connecting member 20, the connecting member 20 is detachably connected to the first connecting rod 40 and/or the second connecting rod 50, for example, by providing a buckle on the connecting rod, a clamping member is provided on the frame 10 to detachably connect the connecting member 20 to the first connecting rod 40 and/or the second connecting rod 50, so that a user can replace the damaged connecting member 20.
In addition, in the present embodiment, the first tie rod 21 and the second tie rod 22 are driven by two stages to improve the rigidity of the connecting member 20. The rotating plate 23 may be disposed at a central position between the first connecting rod 40 and the second connecting rod 50, and the lengths of the first pull rod 21 and the second pull rod 22 are the same, so that when the front wheel rotates, the first connecting rod 40 drives the first pull rod 21 to move so as to drive the rotating plate 23 to rotate, thereby indirectly driving the second pull rod 22 to move, and further driving the second connecting to move, thereby driving the rear wheel. In this embodiment, the connecting member 20 is split into the first pull rod 21 and the second pull rod 22, so as to improve the rigidity of the connecting member 20, avoid the fracture of the connecting member 20, and further improve the stability and reliability of the coaxial trolley.
It should be noted that the rotating plate 23 may be a rectangular plate, so that the first pull rod 21 and the second pull rod 22 are respectively connected to two sides of the rotation, or may also be a circular plate, so that the first pull rod 21 and the second pull rod 22 are respectively connected to two ends of a path with the same diameter.
The present invention includes but is not limited to the above solution, the connecting member 20 includes a first pull rod 21, a second pull rod 22 and a rotating plate 23, one end of the first pull rod 21 is connected to the right side of the first connecting rod 40, and the other end of the first pull rod 21 is connected to one end of the rotating plate 23; one end of the second pull rod 22 is connected to the other end of the connecting plate 62, and the other end of the second pull rod 22 is connected to the left side of the second connecting rod 50. It is only necessary to ensure that the connection member 20 is connected along a diagonal line between the first connection bar 40 and the second connection bar 50. The length of the first pull rod 21 and/or the second pull rod 22 is 500 mm-700 mm, and the lengths of the first pull rod 21 and the second pull rod 22 can be adjusted according to different requirements of users.
Further, the coaxial trolley further comprises a traction hook 60, wherein one end of the traction hook 60 is connected with the first connecting rod 40, and the other end of the traction hook extends out of the frame 10. The user can pull and control the front wheel to rotate through the traction hook 60, and when the user rotates the traction hook 60, the traction hook 60 drives the first connecting rod 40 to move so as to drive the front wheel to deflect.
Specifically, the towing hook 60 includes a rotating bearing 63, a connecting plate 62 and a towing handle 61, the rotating bearing 63 is disposed on the frame 10 and located on a side of the first connecting rod 40 away from the second connecting rod 50, the towing hook 60 is connected to the rotating bearing 63, one end of the connecting plate 62 is connected to the towing handle 61, and the other end is connected to the first connecting rod 40. The traction handle 61 rotates around the rotating bearing 63, the connecting plate 62 is hard connected with the traction handle 61 and the first connecting rod 40, and when the traction handle 61 rotates, the connecting plate 62 drives the first connecting rod 40 to rotate simultaneously, so that the front wheel is driven to deflect.
In addition, in order to solve the above problems, the present invention further provides a trailer, wherein the trailer comprises a plurality of coaxial trolleys as described above, the plurality of coaxial trolleys are connected in sequence, and two adjacent coaxial trolleys are connected through a towing hook 60. Through to the turn structure of coaxial platform truck improves to when making many coaxial platform truck end to end connection, the turn angle also can not increase.
The front end and the rear end are located on two opposite sides of the frame 10, and the coaxial trolley moves from the rear end of the frame 10 to the front end of the frame 10 during normal movement. The two caster assemblies 30 (hereinafter referred to as front wheels) at the front end of the frame 10 are connected by the first connecting rod 40, so that the two caster assemblies 30 at the front end of the frame 10 rotate synchronously, the stability of the coaxial trolley in the moving process or the turning process is improved, and the caster assemblies 30 are prevented from swinging; the two caster assemblies 30 (hereinafter referred to as rear wheels) located at the rear end of the frame 10 are connected by the second connecting rod 50, so as to ensure the stability of the straight forward movement of the coaxial trolley.
The first connecting rod 40, the second wheel connecting rod and the connecting rod 20 are connected by hard connection, so that the first connecting rod 40 and the second connecting rod 50 are linked through the connecting rod 20, that is, when the first connecting rod 40 drives the front wheel to rotate, the connecting rod 20 moves along with the front wheel and can drive the second connecting rod 50 to move. In this embodiment, the both ends of connecting piece 20 respectively with the head rod 40 and the one end of the different sides of second connecting rod 50 is connected, also promptly connecting piece 20 is followed head rod 40 with diagonal between the second connecting rod 50 is connected, thereby when the front wheel carries out the turn left, head rod 40 then drives connecting piece 20 withstands second connecting rod 50 skew right, thereby makes the rear wheel rotate right, also promptly when the front wheel of coaxial platform truck rotated to the left, the rear wheel rotated right, thereby makes the rear end rotated right when the front end of frame 10 rotated to the left, realizes coaxial platform truck realizes that 360 degrees rotations in situ, and turn radius is half of the distance between the front and rear wheels, perhaps the general of connecting piece 20 length. In order to meet the site requirements of the current warehouse, cargo yard or logistics center, the length of the connecting member 20 may be set to be 1000 mm to 1400 mm, of course, the length of the connecting member 20 includes but is not limited to the above scheme, and the length of the connecting member 20 may be adjusted according to different requirements of users. In addition, the connecting member 20 and the frame 10 may also be retractable to flexibly adjust the size of the coaxial trolley, thereby improving the wide adaptability of the coaxial trolley.
According to the technical scheme, the two caster assemblies 30 positioned at the front ends synchronously rotate through the first connection, so that the stability of the trolley moving ahead linearly is improved, and meanwhile, the second connecting rod 50 is synchronously driven to rotate when the first connecting rod 40 rotates through the connecting piece 20, so that the two caster assemblies 30 at the rear ends are indirectly driven to rotate, therefore, the coaxial trolley can rotate in place for 360 degrees, the utilization rate of logistics storage space is improved, and the storage cost is reduced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A coaxial trolley is characterized by comprising a connecting piece, a trolley frame and trundle components rotationally connected with the trolley frame, wherein two trundle components are arranged on two sides of the front end of the trolley frame respectively, the two trundle components positioned on the front end of the trolley frame are connected through a first connecting rod, one trundle component is arranged on two sides of the rear end of the trolley frame respectively, and the two trundle components positioned on the rear end of the trolley frame are connected through a second connecting rod;
one end of the connecting piece is connected with the left side of the first connecting rod, and the other end of the connecting piece is connected with the right side of the second connecting rod, so that the first connecting rod and the second connecting rod synchronously rotate; or one end of the first connecting piece is connected with the right side of the first connecting rod, and the other end of the first connecting piece is connected with the left side of the second connecting rod, so that the first connecting rod and the second connecting rod rotate synchronously.
2. The co-axial trolley of claim 1 further comprising a suspension mechanism disposed between the caster assemblies and the frame.
3. The coaxial trolley of claim 1 wherein the connector has a length of 1000 mm to 1400 mm.
4. The coaxial trolley of claim 1, wherein the connector comprises a first tie bar, a second tie bar, and a rotating plate disposed between the first and second tie bars, the rotating plate being rotationally coupled to the frame; one end of the first pull rod is connected with the left side of the first connecting rod, and the other end of the first pull rod is connected with one end of the rotating plate; one end of the second pull rod is connected with the other end of the connecting plate, and the other end of the second pull rod is connected with the right side of the second connecting rod;
or the connecting piece comprises a first pull rod, a second pull rod and a rotating plate, one end of the first pull rod is connected with the right side of the first connecting rod, and the other end of the first pull rod is connected with one end of the rotating plate; one end of the second pull rod is connected with the other end of the connecting plate, and the other end of the second pull rod is connected with the left side of the second connecting rod.
5. The coaxial trolley of claim 4, wherein the length of the first and or second tie rod is 500-700 mm.
6. The coaxial trolley according to claim 1, wherein the caster assembly comprises a roller and a mounting frame, one end of the mounting frame is rotatably connected with the trolley frame, the other end of the mounting frame is provided with an avoiding groove, the roller is arranged in the avoiding groove, a rotating shaft is arranged on the roller, and the rotating shaft is rotatably connected with a side wall of the avoiding groove.
7. The co-axial trolley of claim 1 further comprising a tow hitch, one end of the tow hitch being connected to the first connecting rod and the other end extending out of the frame.
8. The co-axial trolley according to claim 7, wherein the towing hitch comprises a rolling bearing, a connecting plate and a towing handle, the rolling bearing is arranged on the frame and is located on a side of the first connecting rod facing away from the second connecting rod, the towing hitch is connected with the rolling bearing, one end of the connecting plate is connected with the towing handle, and the other end of the connecting plate is connected with the first connecting rod.
9. The co-axial trolley of claim 1 wherein the connector is removably connected to the first and/or second connector bar.
10. A trailer, characterized in that the trailer comprises a plurality of coaxial trolleys according to any one of claims 1-9, wherein the coaxial trolleys are connected in sequence, and two adjacent coaxial trolleys are connected through a traction hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110329782.3A CN112896255A (en) | 2021-03-26 | 2021-03-26 | Coaxial trolley and trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110329782.3A CN112896255A (en) | 2021-03-26 | 2021-03-26 | Coaxial trolley and trailer |
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| CN112896255A true CN112896255A (en) | 2021-06-04 |
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| CN202110329782.3A Pending CN112896255A (en) | 2021-03-26 | 2021-03-26 | Coaxial trolley and trailer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620111A (en) * | 2022-02-15 | 2022-06-14 | 好孩子儿童用品有限公司 | Folding trailer |
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|---|---|---|---|---|
| GB364269A (en) * | 1930-11-22 | 1932-01-07 | William Gibson Primrose | Improvements in means for steering trucks, chairs, beds, and other like manually-wheeled or wheelable articles |
| FR2124948A5 (en) * | 1971-09-06 | 1972-09-22 | Rickardson David | |
| GB8909024D0 (en) * | 1989-04-20 | 1989-06-07 | Suehiro Ind Limited | Trailer |
| JP3037640U (en) * | 1996-11-09 | 1997-05-20 | 新明工業株式会社 | Steering device for towed truck |
| DE202007003500U1 (en) * | 2007-03-08 | 2007-05-03 | Grip Factory Munich Gmbh | Camera carriage e.g. shearing dolly, for rail driving, has steering rod firmly connected with one tie rod by angle lever that is supported rotatably at chassis, where steering rod is connected with other tie rod in detachable manner |
| CN201195554Y (en) * | 2008-04-24 | 2009-02-18 | 上海宝钢汽车检测修复有限公司 | Novel four-wheel steering system |
| CN107344561A (en) * | 2017-05-27 | 2017-11-14 | 王钟轩 | A kind of radius of turn I prevents the chassis of rollover |
| CN208616078U (en) * | 2018-07-24 | 2019-03-19 | 长春奔腾瑞马自动化有限公司 | Four-wheel steering material conveying trolley |
| CN211543679U (en) * | 2020-01-19 | 2020-09-22 | 上海振华重工(集团)股份有限公司 | Transfer trolley with steering function |
| CN112429119A (en) * | 2020-11-27 | 2021-03-02 | 上海思客琦智能装备科技股份有限公司 | Same-track traction trailer |
| CN215154703U (en) * | 2021-03-26 | 2021-12-14 | 广汽丰田汽车有限公司 | Coaxial trolley and trailer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620111A (en) * | 2022-02-15 | 2022-06-14 | 好孩子儿童用品有限公司 | Folding trailer |
| CN114620111B (en) * | 2022-02-15 | 2024-04-05 | 好孩子儿童用品有限公司 | Folding trailer |
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