CN109624861B - Magnetic levitation line overhauls with on-vehicle folding hanging flower basket - Google Patents
Magnetic levitation line overhauls with on-vehicle folding hanging flower basket Download PDFInfo
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- CN109624861B CN109624861B CN201811517696.XA CN201811517696A CN109624861B CN 109624861 B CN109624861 B CN 109624861B CN 201811517696 A CN201811517696 A CN 201811517696A CN 109624861 B CN109624861 B CN 109624861B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R3/00—Arrangements of steps or ladders facilitating access to or on the vehicle, e.g. running-boards
- B60R3/007—Removable steps or ladders, e.g. foldable
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Abstract
The invention discloses a vehicle-mounted folding hanging basket for magnetic suspension line maintenance, which comprises a fixed frame capable of being fixedly connected with a vehicle body, wherein one side of the fixed frame, which is far away from the vehicle body, is provided with an opening; the guard plate, the both sides of guard plate respectively with through articulated connecting rod with the both sides of fixed frame are connected, just the one end of articulated connecting rod with the guard plate is articulated and the other end with fixed frame is articulated. The fender is rotatable to approach or depart from the vehicle body; when the vehicle-mounted hanging basket is in a retracted state, the protection plate and the hinged connecting rod can rotate to be positioned in the fixed frame; when this on-vehicle hanging flower basket is in the expansion state, the guard plate with the articulated connecting rod can pass through the opening rotates to being located fixed frame outside. The structural design of the vehicle-mounted hanging basket can effectively solve the problem that hanging baskets on two sides of an overhaul engineering truck are narrow.
Description
Technical Field
The invention relates to the technical field of maintenance equipment, in particular to a vehicle-mounted folding hanging basket for magnetic suspension line maintenance.
Background
When the magnetic suspension line is overhauled, the outline of the overhauling engineering vehicle cannot exceed the limit of the line vehicle, so that collision accidents caused by interference of the overhauling engineering vehicle and peripheral equipment facilities in the running process are avoided. However, when the magnetic suspension line is overhauled, personnel need to enter into effective positions from two sides of the overhaul engineering truck to approach equipment/parts to be inspected or failed, and hanging baskets arranged at two sides of the overhaul engineering truck are narrow due to the fact that available design spaces at two sides of the overhaul engineering truck are small, and operation of maintenance personnel is difficult.
In summary, how to effectively solve the problem of the narrow hanging baskets on the two sides of the maintenance vehicle is a problem which needs to be solved urgently by the technical personnel in the field at present.
Disclosure of Invention
In view of the above, a first object of the present invention is to provide a vehicle-mounted folding hanging basket for magnetic levitation line maintenance, which has a structural design that can effectively solve the problem of narrow hanging baskets on both sides of a maintenance vehicle.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a maglev line overhauls with on-vehicle folding hanging flower basket, it can install in the automobile body both sides, includes:
the fixing frame can be fixedly connected with the vehicle body, and one side of the fixing frame, which is far away from the vehicle body, is provided with an opening;
the guard plate, the both sides of guard plate respectively with through articulated connecting rod with the both sides of fixed frame are connected, just the one end of articulated connecting rod with the guard plate is articulated and the other end with fixed frame is articulated. The fender is rotatable to approach or depart from the vehicle body;
when the vehicle-mounted folding hanging basket is in a folded state, the protection plate and the hinged connecting rod can rotate to be positioned in the fixed frame; when this on-vehicle folding hanging flower basket is in the state of expanding, the guard plate with the articulated connecting rod can pass through the opening rotates to being located fixed frame outside.
Preferably, the vehicle-mounted folding hanging basket further comprises pedals, and two sides of each pedal along the direction far away from the vehicle body are respectively hinged with the lower end of the fixed frame and the lower end of the protection plate; when the vehicle-mounted folding hanging basket is in a folded state, the pedal is positioned in the fixed frame; when the vehicle-mounted folding hanging basket is in an unfolded state, the pedal is positioned outside the fixed frame.
Preferably, the vehicle-mounted folding hanging basket further comprises a U-shaped pull rod, wherein the U-shaped pull rod comprises two opposite linkage rods and a hand-holding rod, and two ends of the hand-holding rod are fixedly connected with the two linkage rods respectively;
the middle parts of the two linkage rods are respectively hinged with the two sides of the top end of the protection plate, and the end parts of the two linkage rods are hinged with the vehicle body.
Preferably, in the above-mentioned on-vehicle folding hanging flower basket, the guard plate includes two long poles that set up relatively and the board body of fixed connection between two long poles, two the middle part of trace is articulated with the upper end of two long poles respectively.
Preferably, in the above vehicle-mounted folding basket, the upper ends of the two long vertical rods are bent towards the direction close to the vehicle body to form bent portions.
Preferably, the vehicle-mounted folding basket further comprises a baffle, and the U-shaped pull rod abuts against the baffle after rotating a set angle relative to the vehicle body.
Preferably, in the above vehicle-mounted folding basket, the hinge connecting rod and the U-shaped pull rod are both rotated by 180 ° from a retracted state of the vehicle-mounted folding basket to an extended state of the vehicle-mounted folding basket.
Preferably, the vehicle-mounted folding basket further comprises a positioning device, and the positioning device can prevent the hinge connecting rod from continuing to rotate when the hinge connecting rod rotates to the state that the vehicle-mounted folding basket is unfolded.
Preferably, in the above folding basket, the hinge link rotates to be horizontal when the folding basket is in the unfolded state.
The utility model provides an overhaul machineshop car, is including setting up the hanging flower basket on the automobile body of overhaul machineshop car, the hanging flower basket is as above-mentioned any one on-vehicle folding hanging flower basket of.
Use during the on-vehicle folding hanging flower basket that the above-mentioned provided, when the maintenance vehicle travel in-process, in order to prevent that the appearance profile of overhauing the machineshop car from surpassing the circuit vehicle clearance limit, can adjust on-vehicle folding hanging flower basket to the state of packing up, drive guard plate and articulated connecting rod rotate around the articulated shaft promptly, so that guard plate and articulated connecting rod all are located the inside of fixed frame, it is less along the size of vehicle left and right directions so to have guaranteed on-vehicle folding hanging flower basket, and then reduced the size of the appearance profile of overhauing the machineshop car, the appearance profile of effectively having avoided overhauing the. When needs overhaul, can adjust on-vehicle folding hanging flower basket to the state of expanding, drive guard plate and articulated connecting rod promptly rotate around the articulated shaft, so that guard plate and articulated connecting rod all are located the outside of fixed frame, the guard plate this moment, articulated connecting rod and fixed frame enclose into the maintenance space jointly, the staff can get into the guard plate, overhaul in the maintenance space that articulated connecting rod and fixed frame enclose, so, overhaul the on-vehicle folding hanging flower basket broad of machineshop car both sides during the maintenance, staff's operating space is great when having guaranteed to overhaul, the maintainer operation degree of difficulty has been 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 drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a vehicle-mounted folding basket in a retracted state according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a vehicle-mounted folding basket in an unfolding process according to an embodiment of the invention;
FIG. 3 is another schematic structural diagram of the folding basket provided by the embodiment of the invention during the unfolding process;
fig. 4 is a schematic structural diagram of the vehicle-mounted folding basket in an unfolded state according to the embodiment of the invention.
In fig. 1-4:
1-vehicle body, 2-baffle, 3-U-shaped pull rod, 4-long upright rod, 5-plate body, 6-fixed frame, 7-pedal and 8-hinged connecting rod.
Detailed Description
The invention aims to provide a vehicle-mounted folding hanging basket for magnetic suspension line maintenance, which has a structural design capable of effectively solving the problem of narrow hanging baskets on two sides of a maintenance vehicle.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left" and "right", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the positions or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus are not to be construed as limitations of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1-4, the foldable cradle can be mounted on two sides of a vehicle body of a vehicle, so that maintenance personnel can conveniently enter the foldable cradle to overhaul a magnetic suspension line. The vehicle-mounted folding hanging basket comprises a fixed frame 6, a protection plate and a hinged connecting rod 8.
Wherein the fixed frame 6 can be fixedly connected with the vehicle body 1. Specifically, the fixing frame 6 may be welded or fixed to the vehicle body 1 by bolts or the like. The side of the fixed frame 6 away from the vehicle body 1 is open, that is, after the fixed frame 6 is fixedly connected with the vehicle body 1, the side of the fixed frame 6 away from the vehicle body 1 is open to form an opening. The fixed frame 6 may include a bottom plate and two frames arranged in the front-rear direction of the vehicle body 1, the bottom plate being fixedly connected to the bottom ends of the two frames. Two frames of fixed frame 6 that arrange along automobile body 1 fore-and-aft direction set up relatively, and two frames of fixed frame 6 that arrange along automobile body 1 fore-and-aft direction all include two perpendicular railing and both ends respectively with perpendicular railing fixed connection's horizontal railing. The vertical bars are arranged along the vertical direction, the horizontal bars are arranged along the horizontal direction, and the horizontal bars extend along the direction gradually far away from the vehicle body 1. The edges of the two frames of the fixed frame 6 remote from the vehicle body 1 form an opening therebetween.
The two sides of the protection plate are respectively connected with the two sides of the fixed frame 6 through the hinged connecting rods 8, namely the two sides of the protection plate are respectively hinged with the two frames of the fixed frame 6 through the hinged connecting rods 8. Preferably, the two sides of the fender are respectively hinged to the edges of the two frames of the fixed frame 6 remote from the vehicle body 1 by means of a hinge link 8. One end of the hinged connecting rod 8 is hinged with the guard plate and the other end is hinged with the fixed frame 6. The guard plate can rotate in order to be close to or keep away from automobile body 1, and guard plate and articulated connecting rod 8 rotate around the articulated shaft between articulated connecting rod 8 and the fixed frame 6 frame promptly, and then realize that the guard plate is close to automobile body 1 gradually or keeps away from automobile body 1.
When this on-vehicle folding hanging flower basket was in the state of packing up, guard plate and articulated connecting rod 8 can rotate to being located fixed frame 6 inside, and when this on-vehicle folding hanging flower basket was in the state of packing up promptly, guard plate and articulated connecting rod 8 all rotated to guard plate and articulated connecting rod 8 and are located fixed frame 6 inside. When the vehicle-mounted folding hanging basket is in an unfolded state, the protection plate and the hinged connecting rod 8 can rotate to be positioned outside the fixed frame 6 through the opening. Namely, when the vehicle-mounted folding hanging basket is in an unfolded state, the protection plate and the hinged connecting rod 8 both pass through the opening to rotate until the protection plate and the hinged connecting rod 8 are positioned outside the fixed frame 6.
When the on-vehicle folding hanging flower basket that above-mentioned embodiment provided is used, when the maintenance vehicle travel in-process, in order to prevent that the appearance profile of overhauing the machineshop car from surpassing the circuit vehicle gauge limit, can adjust on-vehicle folding hanging flower basket to the state of packing up, drive guard plate and articulated connecting rod 8 and rotate around the articulated shaft promptly, so that guard plate and articulated connecting rod 8 all are located the inside of fixed frame 6, so guaranteed that on-vehicle folding hanging flower basket is less along the size of vehicle left and right directions, and then reduced the size of the appearance profile of overhauing the machineshop car, effectively avoided the appearance profile of overhauing the machinesh. When needs overhaul, can adjust on-vehicle folding hanging flower basket to the state of expanding, drive guard plate and articulated connecting rod 8 rotate around the articulated shaft promptly, so that guard plate and articulated connecting rod 8 all are located the outside of fixed frame 6, the guard plate this moment, articulated connecting rod 8 encloses into the maintenance space with fixed frame 6 jointly, the staff can get into the guard plate, overhaul in the maintenance space that articulated connecting rod 8 and fixed frame 6 enclose, so, overhaul the on-vehicle folding hanging flower basket broad of machineshop car both sides during the maintenance, staff's operating space is great when having guaranteed to overhaul, the maintainer operation degree of difficulty has been reduced.
It should be noted that the side of the fixed frame 6 close to the vehicle body 1 may also be open, which further facilitates the access of the work piece to be maintained by the operator. One side of the fixing frame 6 close to the vehicle body 1 can be directly welded with the vehicle body 1.
Preferably, the number of the hinge links 8 is plural, and the hinge links 8 at both sides of the fixed frame 6 are arranged in order along the vertical direction.
Further, in order to facilitate the maintenance personnel to stand, the vehicle-mounted folding basket can further comprise pedals 7, and two sides of the pedals 7 along the direction far away from the vehicle body 1 are respectively hinged with the lower end of the fixed frame 6 and the lower end of the protection plate. That is, one of both sides of the step 7 distributed in the left-right direction of the vehicle body 1 is hinged to the lower end of the fixed frame 6, and the other of both sides of the step 7 distributed in the left-right direction of the vehicle body 1 is hinged to the lower end of the fender. When the vehicle-mounted folding hanging basket is in a folded state, the pedal 7 is positioned in the fixed frame 6; when the vehicle-mounted folding basket is in an unfolded state, the pedals 7 are positioned outside the fixed frame 6. I.e. the apron and the articulated link 8 rotate together with the footplate 7.
In the rotating process of the protection plate and the hinged connecting rod 8, the protection plate can be always in a vertical state, and the hinged connecting rod 8 overturns in the rotating process.
When the vehicle-mounted folding basket is in a folded state, the pedal 7 can be in a horizontal state, namely the pedal 7 can be overlapped with the bottom of the fixed frame 6. When the vehicle-mounted folding basket is in an unfolded state, the pedal 7 can be in a horizontal state, the pedal 7 is turned over by 180 degrees at the moment, and the pedal 7 and the bottom of the fixed frame 6 are arranged side by side.
In order to facilitate the rotation of the driving protection plate and the hinged connecting rod 8, the vehicle-mounted folding hanging basket can further comprise a U-shaped pull rod 3, and the U-shaped pull rod 3 comprises two opposite linkage rods and a hand-holding rod, wherein the two ends of the hand-holding rod are fixedly connected with the two linkage rods respectively. The middle parts of the two linkage rods are respectively hinged with the two sides of the top end of the protection plate, and the end parts of the two linkage rods are hinged with the vehicle body 1. So, can realize two trace and rotate for automobile body 1 with hand power hand-held lever, and then two trace drive the guard plate and rotate to realize packing up or the expansion of on-vehicle folding hanging flower basket. The articulated shaft between above-mentioned two trace and automobile body 1 is the horizontal axis, and the articulated shaft between two trace and the guard plate also is the horizontal axis.
In a specific embodiment, the protection plate comprises two oppositely arranged long vertical rods 4 and a plate body 5 fixedly connected between the two long vertical rods 4, and the middle parts of the two linkage rods are respectively hinged with the upper ends of the two long vertical rods 4. The plate body 5 may be formed with a hollow hole to reduce weight, or the plate body 5 is formed by connecting a plurality of connecting rods, which is not limited herein.
The fender may also comprise only the fender body 5, or the fender may comprise a plurality of cross bars and vertical bars connected to each other, without limitation.
Further, the upper ends of the two long vertical rods 4 are bent towards the direction close to the vehicle body 1 to form bent parts. So, be convenient for more long pole 4 and U type pull rod 3's being connected, and be convenient for more the rotation of drive guard plate.
In order to prevent the protection plates and the U-shaped pull rod 3 from rotating too much, the vehicle-mounted folding hanging basket further comprises a baffle plate 2, and the U-shaped pull rod 3 abuts against the baffle plate 2 after rotating a set angle relative to the vehicle body 1. The U-shaped pull rod 3 rotates to a set angle in the direction far away from the vehicle body 1 and then abuts against the baffle 2, so that the U-shaped pull rod cannot rotate any more, and the U-shaped pull rod 3 rotates to a set angle in the direction close to the vehicle body 1 and then abuts against the baffle 2, so that the U-shaped pull rod cannot rotate any more. So set up, can carry on spacingly to U type pull rod 3, guard plate and articulated connecting rod 8 to prevent that guard plate and articulated connecting rod 8 turned angle are too big.
Of course, the shielding plate 2 may not be provided until the shielding plate and the hinge link 8 rotate to the maximum angle, or the shielding plate may be supported by a supporting surface such as the ground.
Specifically, the U-shaped pull rod 3 can be rotated by 180 ° from the stowed state of the folding basket to the deployed state of the folding basket. Namely, the U-shaped pull rod 3 rotates 180 degrees around a hinge shaft between the U-shaped pull rod 3 and the vehicle body 1 from the state that the vehicle-mounted folding basket is retracted to the state that the vehicle-mounted folding basket is unfolded. Further, when the vehicle-mounted folding basket is in a folded state, the U-shaped pull rod 3 is in a horizontal state, and when the vehicle-mounted folding basket is in an unfolded state, the U-shaped pull rod 3 is also in a horizontal state. Namely, the U-shaped pull rod 3 is turned over by 180 degrees from the state that the vehicle-mounted folding basket is in the retracted state to the state that the vehicle-mounted folding basket is in the unfolded state. The U-shaped pull rod 3 is in a horizontal state, which means that the two linkage rods and the hand-holding rod both extend along the horizontal direction.
Likewise, the articulated link 8 rotates through 180 ° from the stowed condition of the folding basket to the deployed condition of the folding basket. Namely, the hinge connecting rod 8 rotates 180 degrees around the hinge shaft between the hinge connecting rod 8 and the fixed frame 6 from the state that the folding basket is folded to the state that the folding basket is unfolded. Further, the hinge link 8 is in a horizontal state when the folding basket is in a stowed state, and the hinge link 8 is also in a horizontal state when the folding basket is in a deployed state. Namely, the hinged connecting rod 8 is turned over by 180 degrees from the state that the vehicle-mounted folding basket is in the folding state to the state that the vehicle-mounted folding basket is in the unfolding state.
certainly, the hinged connecting rod 8 and the U-shaped pull rod 3 can also rotate alpha from the state that the vehicle-mounted folding basket is folded to the state that the vehicle-mounted folding basket is unfolded, and the alpha is more than or equal to α degrees and less than 180 degrees.
In another embodiment, in order to prevent the guard plates and the hinge links 8 from rotating through too large an angle, the above-mentioned folding basket may further comprise a positioning device capable of preventing the hinge links 8 from continuing to rotate when the hinge links 8 are rotated to a state in which the folding basket is unfolded. In particular, the positioning means may be a projection provided on the fixed frame 6, against which the hinge connecting rod 8 rotates until the vehicle-mounted folding basket is in the unfolded state, preventing the hinge connecting rod 8 from continuing to rotate only for the projection. Of course, when the folding basket is in the unfolded state, the protrusions can also prevent the pedals 7 from further rotating, and the invention is not limited herein.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a maglev line overhauls with on-vehicle folding hanging flower basket, it can install in automobile body (1) both sides, a serial communication port, includes:
the fixing frame (6) can be fixedly connected with the vehicle body (1), and one side, far away from the vehicle body (1), of the fixing frame (6) is opened;
two sides of the protection plate are respectively connected with two sides of the fixed frame (6) through hinged connecting rods (8), one end of each hinged connecting rod (8) is hinged with the protection plate, the other end of each hinged connecting rod is hinged with the fixed frame (6), and the protection plate can rotate to be close to or far away from the vehicle body (1);
when the vehicle-mounted folding hanging basket is in a folded state, the protection plate and the hinged connecting rod (8) can rotate to be positioned in the fixed frame (6); when the vehicle-mounted folding hanging basket is in an unfolded state, the protection plate and the hinged connecting rod (8) can rotate to be positioned outside the fixed frame (6) through the opening;
from the state that the vehicle-mounted folding basket is in a retracted state to the state that the vehicle-mounted folding basket is in an unfolded state, the hinged connecting rod (8) and the U-shaped pull rod (3) rotate α, and the α is more than or equal to 90 degrees and less than 180 degrees.
2. The vehicle-mounted folding hanging basket for magnetic levitation line maintenance according to claim 1, characterized by further comprising pedals (7), wherein two sides of the pedals (7) along the direction far away from the vehicle body (1) are respectively hinged with the lower ends of the fixed frame (6) and the protection plate; when the vehicle-mounted folding hanging basket is in a folded state, the pedal (7) is positioned in the fixed frame (6); when the vehicle-mounted folding hanging basket is in an unfolded state, the pedals (7) are positioned outside the fixed frame (6).
3. The vehicle-mounted folding hanging basket for magnetic suspension line maintenance according to claim 1, characterized by further comprising a U-shaped pull rod (3), wherein the U-shaped pull rod (3) comprises two opposite linkage rods and a holding rod, two ends of the holding rod are fixedly connected with the two linkage rods respectively;
the middle parts of the two linkage rods are respectively hinged with the two sides of the top end of the protection plate, and the end parts of the two linkage rods are hinged with the vehicle body (1).
4. The vehicle-mounted folding hanging basket for magnetic suspension line maintenance according to claim 3, wherein the protection plate comprises two oppositely arranged long vertical rods (4) and a plate body (5) fixedly connected between the two long vertical rods (4), and the middle parts of the two linkage rods are respectively hinged with the upper ends of the two long vertical rods (4).
5. The vehicle-mounted folding hanging basket for magnetic suspension line maintenance according to claim 4, characterized in that the upper ends of the two long vertical rods (4) are bent to form a bending part towards the vehicle body (1).
6. The vehicle-mounted folding hanging basket for magnetic suspension line maintenance according to claim 3, characterized by further comprising a baffle (2), wherein the U-shaped pull rod (3) is abutted against the baffle (2) after rotating for a set angle relative to the vehicle body (1).
7. A folding gondola for magnetic levitation line maintenance according to claim 3, characterized in that said hinged link (8) and the U-shaped pull rod (3) are both turned 180 ° from a stowed position to a deployed position.
8. A folding gondola for magnetic levitation line servicing according to claim 1, further comprising positioning means capable of preventing the further rotation of the hinged link (8) when the hinged link (8) is rotated to the unfolded state of the gondola.
9. A folding gondola for magnetic levitation line servicing as claimed in claim 1, characterized in that said hinged link (8) is turned to the horizontal when the gondola is in the unfolded state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811517696.XA CN109624861B (en) | 2018-12-12 | 2018-12-12 | Magnetic levitation line overhauls with on-vehicle folding hanging flower basket |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811517696.XA CN109624861B (en) | 2018-12-12 | 2018-12-12 | Magnetic levitation line overhauls with on-vehicle folding hanging flower basket |
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| Publication Number | Publication Date |
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| CN109624861A CN109624861A (en) | 2019-04-16 |
| CN109624861B true CN109624861B (en) | 2020-06-02 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3590950A (en) * | 1970-05-01 | 1971-07-06 | Phillip M Wilson | Portable step for vehicle maintenance and repair |
| CN102787800A (en) * | 2012-08-06 | 2012-11-21 | 东营蒙德金马机车有限公司 | Special ladder stand for mobile machinery shop |
| CN203729855U (en) * | 2014-02-27 | 2014-07-23 | 北京顺世衡科技发展有限公司 | Vehicle-mounted externally-suspended folding ladder |
| CN203835249U (en) * | 2014-04-25 | 2014-09-17 | 徐工集团工程机械股份有限公司 | Folding ladder stand for loader |
| CN203876662U (en) * | 2014-05-29 | 2014-10-15 | 湘电重型装备有限公司 | Engine overhaul stair of electric wheel self-dumping truck |
| CN205557327U (en) * | 2016-04-19 | 2016-09-07 | 张志烨 | Bridge operating repair device |
-
2018
- 2018-12-12 CN CN201811517696.XA patent/CN109624861B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3590950A (en) * | 1970-05-01 | 1971-07-06 | Phillip M Wilson | Portable step for vehicle maintenance and repair |
| CN102787800A (en) * | 2012-08-06 | 2012-11-21 | 东营蒙德金马机车有限公司 | Special ladder stand for mobile machinery shop |
| CN203729855U (en) * | 2014-02-27 | 2014-07-23 | 北京顺世衡科技发展有限公司 | Vehicle-mounted externally-suspended folding ladder |
| CN203835249U (en) * | 2014-04-25 | 2014-09-17 | 徐工集团工程机械股份有限公司 | Folding ladder stand for loader |
| CN203876662U (en) * | 2014-05-29 | 2014-10-15 | 湘电重型装备有限公司 | Engine overhaul stair of electric wheel self-dumping truck |
| CN205557327U (en) * | 2016-04-19 | 2016-09-07 | 张志烨 | Bridge operating repair device |
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| CN109624861A (en) | 2019-04-16 |
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