CN216761934U - Spare tire lifting device for semi-trailer - Google Patents
Spare tire lifting device for semi-trailer Download PDFInfo
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- CN216761934U CN216761934U CN202123245920.4U CN202123245920U CN216761934U CN 216761934 U CN216761934 U CN 216761934U CN 202123245920 U CN202123245920 U CN 202123245920U CN 216761934 U CN216761934 U CN 216761934U
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- spare tire
- fixedly connected
- lifting device
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- groove
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Abstract
The utility model discloses a spare tire lifting device for a semitrailer, which comprises a carriage bottom plate, wherein an inlet and an outlet are formed in one side of the carriage bottom plate, a traction chain is inserted into the inlet and the outlet, a traction mechanism is arranged between one end of the traction chain and one side of the top of the carriage bottom plate, the bottom of the traction chain is fixedly connected with a U-shaped frame, two ends of the bottom of the U-shaped frame are fixedly connected with the same object placing table, a guide assembly is arranged between two sides of the U-shaped frame and the bottom of the carriage bottom plate, a circular object placing groove is formed in the middle position of the top of the U-shaped frame, and a spare tire body is placed in the object placing groove. The semi-trailer spare tire lifting device has the advantages that the traction chain slides, the height of the spare tire body is adjusted, the lifting operation of the semi-trailer spare tire is effectively realized, the stability of the object placing table and the spare tire body during lifting can be kept in the lifting process, and the whole lifting device has the performance of facilitating discharging.
Description
Technical Field
The utility model relates to the technical field of semitrailers, in particular to a spare tire lifting device for a semitrailer.
Background
A semitrailer is a trailer whose axle is positioned behind the center of gravity of the vehicle (when the vehicle is evenly loaded) and which is equipped with a coupling device that transmits horizontal and vertical forces to the tractor. Semitrailers are generally three-axle semitrailers, and the types of semitrailers are divided into eleven-meter-bin-column semitrailers, thirteen-meter-bin semitrailers, low-bed semitrailers and the like. The semitrailer is a heavy transport vehicle connected with a semitrailer head through a towing pin.
At present, the spare tire can all be installed to the bottom of semitrailer, and the spare tire need be fallen the back and carry out the dismouting use with it when using, but the landing effect of current semitrailer spare tire is not good, consequently, the spare tire elevating gear for semitrailer of need design is needed to solve above-mentioned problem urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a spare tire lifting device for a semitrailer.
In order to achieve the purpose, the utility model adopts the following technical scheme:
spare tire lifting device for semitrailer, including the platform floor, open one side of platform floor has exit, and inserts and have a traction chain in the inside of exit, is provided with drive mechanism between traction chain's one end and the top one side of platform floor, traction chain's bottom fixedly connected with U type frame, and the same thing platform of putting of bottom both ends fixedly connected with of U type frame, be provided with guide assembly between the both sides of U type frame and the bottom of platform floor, the top intermediate position of U type frame is opened has and is the circular shape and put the thing groove, and puts the spare tire body in the inside of putting the thing groove.
Preferably, the traction mechanism comprises a mounting plate fixedly connected to one side of the top of the carriage bottom plate, a forward and reverse rotating motor is fixedly connected to one side of the mounting plate, a threaded rod is fixedly connected to an output shaft of the forward and reverse rotating motor, a movable seat is connected to the outer wall of the threaded rod in a threaded manner, and one side of the movable seat is fixedly connected with one end of the traction chain.
Preferably, a limiting groove is formed in one side of the top of the carriage bottom plate, and a limiting seat inserted in the limiting groove is fixedly connected to the bottom of the movable seat.
Preferably, one side fixedly connected with supporting seat that the carriage bottom plate is close to import and export, the top surface of supporting seat sets up to the arc structure, and one side fixedly connected with U type seat of bottom of carriage bottom plate, the inner wall of U type seat has the guide pulley through round pin hub connection, and drag chain lays at the top of guide pulley and supporting seat.
Preferably, the bottom of the object placing groove is provided with an ejection groove, an ejection plate is inserted into the inner wall of the ejection groove, an insertion hole penetrating through the object placing table is formed in the middle of the ejection groove, the bottom of the ejection plate is fixedly connected with a T-shaped support disc penetrating through the insertion hole, and a spring is fixedly connected between the T-shaped support disc and the object placing table.
Preferably, the guide assembly comprises guide rods hinged to one ends of outer walls of two sides of the U-shaped frame, guide grooves are formed in two sides of the bottom of the platform floor, guide seats are connected to the inner walls of the guide grooves in a sliding mode, and the bottoms of the guide seats are hinged to the tops of the guide rods.
Preferably, put top one side of thing platform and be connected with the anticreep board through the round pin axle, and the bottom of anticreep board contacts with the top of spare tyre body, and open threaded hole between the top one end of anticreep board and the top of putting the thing platform, and the inner wall threaded connection of threaded hole has the screw thread locking lever.
The utility model has the beneficial effects that:
1. through setting up the drive mechanism on the carriage bottom plate, draw the chain and put the thing platform, place the spare tyre body in putting the thing groove on the thing platform, utilize the positive and negative motor that turns in the drive mechanism to drive the threaded rod and rotate, adjust the position of sliding seat on the threaded rod, and drive the chain and carry out synchronous motion, make the chain that draws slide at the guide pulley, supporting seat and exit slide, adjust U type frame and put the height of thing platform and spare tyre body, the lift operation of effectual realization semitrailer spare tyre, and, can make the guide holder slide in the guide way at the lift in-process, adjust the inclination of guide bar, the stability performance when keeping putting thing platform and spare tyre body and going up and down.
2. Through setting up at ejector plate, T type supporting disk and the spring of putting in thing groove, ejector groove and jack, when putting the thing platform and reducing to minimum height, the accessible is put the influence of thing platform and spare tyre body self gravity and is adjusted the position of T type supporting disk and ejector plate to accessible ejector plate pushes up the spare tyre body from putting the thing inslot and go out when carrying out the change of spare tyre, makes whole elevating gear have the performance of the ejection of compact of being convenient for.
Drawings
Fig. 1 is a schematic view of the overall structure of a spare tire lifting device for a semitrailer, which is provided in embodiment 1;
fig. 2 is a schematic structural view of an inlet/outlet and a support seat of the spare tire lifting device for a semitrailer in accordance with embodiment 1;
fig. 3 is a schematic structural view of a storage groove and an ejector plate of the spare tire lifting device for a semitrailer in accordance with embodiment 1;
fig. 4 is a schematic view of an anti-separation plate structure of the spare tire lifting device for the semi-trailer according to embodiment 2.
In the figure: 1. a bed floor; 2. a placing table; 3. a spare tire body; 4. a U-shaped frame; 5. a drag chain; 6. a movable seat; 7. a threaded rod; 8. a positive and negative rotation motor; 9. a limiting groove; 10. an inlet and an outlet; 11. a supporting seat; 12. a U-shaped seat; 13. a guide groove; 14. a guide wheel; 15. a guide bar; 16. a storage groove; 17. ejecting the plate; 18. t-shaped supporting discs; 19. a spring; 20. and (4) an anti-drop plate.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-3, spare tire elevating gear for semitrailer, including carriage bottom plate 1, one side of carriage bottom plate 1 is opened there is exit 10, and the inside of exit 10 is pegged graft and is had traction chain 5, be provided with drive mechanism between traction chain 5's one end and carriage bottom plate 1's top one side, there is U type frame 4 bottom traction chain 5's through bolted connection, and there is same thing platform 2 that puts through bolted connection at U type frame 4's bottom both ends, be provided with guide assembly between U type frame 4's both sides and carriage bottom plate 1's bottom, the top intermediate position of U type frame 4 is opened has and is the circular shape and puts thing groove 16, and put the inside of thing groove 16 and placed spare tire body 3.
Further, the traction mechanism comprises a mounting plate welded on one side of the top of the carriage bottom plate 1, a forward and reverse rotating motor 8 is connected to one side of the mounting plate through a bolt, a threaded rod 7 is connected to an output shaft of the forward and reverse rotating motor 8 through a bolt, a movable seat 6 is connected to the outer wall of the threaded rod 7 through a thread, and one side of the movable seat 6 is connected to one end of the traction chain 5 through a bolt.
Furthermore, a limiting groove 9 is formed in one side of the top of the carriage bottom plate 1, and a limiting seat inserted in the limiting groove 9 is welded at the bottom of the movable seat 6.
Further, one side of the platform floor 1 close to the inlet and outlet 10 is connected with a supporting seat 11 through a bolt, the top surface of the supporting seat 11 is of an arc-shaped structure, one side of the bottom of the platform floor 1 is connected with a U-shaped seat 12 through a bolt, the inner wall of the U-shaped seat 12 is connected with a guide wheel 14 through a pin shaft, and the traction chain 5 is laid on the tops of the guide wheel 14 and the supporting seat 11.
Furthermore, the bottom of the object placing groove 16 is provided with an ejection groove, the inner wall of the ejection groove is inserted with an ejection plate 17, the middle position of the ejection groove is provided with an insertion hole penetrating through the object placing table 2, the bottom of the ejection plate 17 is welded with a T-shaped support disc 18 penetrating through the insertion hole, and a spring 19 is connected between the T-shaped support disc 18 and the object placing table 2 through a bolt.
Further, the guide assembly comprises guide rods 15 hinged to one ends of outer walls of two sides of the U-shaped frame 4, guide grooves 13 are formed in two sides of the bottom of the carriage bottom plate 1, guide seats are connected to the inner walls of the guide grooves 13 in a sliding mode, and the bottoms of the guide seats are hinged to the tops of the guide rods 15.
The working principle is as follows: when the device is used, a user places the spare tire body 3 in the article placing groove 16 on the article placing table 2, the positive and negative rotating motor 8 in the traction mechanism is utilized to drive the threaded rod 7 to rotate, the position of the movable seat 6 on the threaded rod 7 is adjusted, the traction chain 5 is driven to synchronously move, the traction chain 5 slides on the guide wheel 14, the supporting seat 11 and the inlet and outlet 10, the heights of the U-shaped frame 4, the article placing table 2 and the spare tire body 3 are adjusted, the lifting operation of the spare tire of the semitrailer is effectively realized, in addition, the guide seat can slide in the guide groove 13 in the lifting process, the inclination angle of the guide rod 15 is adjusted, the stability performance of the article placing table 2 and the spare tire body 3 during lifting is kept, when the article placing table 2 is lowered to the lowest height, the positions of the T-shaped supporting disc 18 and the ejecting plate 17 can be adjusted through the influence of the self gravity of the article placing table 2 and the spare tire body 3, therefore, when the spare tire is replaced, the spare tire body 3 can be ejected out of the storage groove 16 through the ejection plate 17, and the whole lifting device has the performance of facilitating discharging.
Example 2
Referring to fig. 4, spare tire lifting device for semitrailer, this embodiment is compared in embodiment 1, and there is anticreep board 20 top one side of putting platform 2 through round pin hub connection, and the bottom of anticreep board 20 contacts with the top of spare tire body 3, and it has the screw hole to open between the top one end of anticreep board 20 and the top of putting platform 2, and the inner wall threaded connection of screw hole has the screw thread locking lever.
The working principle is as follows: when the semitrailer moves, the spare tire body 3 can be locked and anti-dropping through the threaded lock rod and the anti-dropping plate 20, and the stability of the spare tire body 3 is kept.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.
Claims (7)
1. Spare tire lifting device for semitrailer, including platform floor (1), its characterized in that, open one side of platform floor (1) has exit (10), and the inside of exit (10) is pegged graft and is had drag chain (5), is provided with drive mechanism between one end of drag chain (5) and top one side of platform floor (1), the bottom fixedly connected with U type frame (4) of drag chain (5), and the same thing platform (2) of putting of bottom both ends fixedly connected with of U type frame (4), be provided with the direction subassembly between the both sides of U type frame (4) and the bottom of platform floor (1), the top intermediate position of U type frame (4) is opened to be circular shape and is put thing groove (16), and puts the inside of thing groove (16) and has placed spare tire body (3).
2. The spare tire lifting device for the semitrailer according to claim 1, wherein the traction mechanism comprises a mounting plate fixedly connected to one side of the top of the carriage bottom plate (1), a forward and reverse rotating motor (8) is fixedly connected to one side of the mounting plate, a threaded rod (7) is fixedly connected to an output shaft of the forward and reverse rotating motor (8), a movable seat (6) is connected to an outer wall of the threaded rod (7) in a threaded manner, and one side of the movable seat (6) is fixedly connected to one end of the traction chain (5).
3. The spare tire lifting device for the semitrailer according to claim 2, wherein a limiting groove (9) is formed in one side of the top of the platform floor (1), and a limiting seat inserted in the limiting groove (9) is fixedly connected to the bottom of the movable seat (6).
4. The spare tire lifting device for the semitrailer according to claim 3, characterized in that a supporting seat (11) is fixedly connected to one side of the platform floor (1) close to the inlet/outlet (10), the top surface of the supporting seat (11) is provided with an arc-shaped structure, a U-shaped seat (12) is fixedly connected to one side of the bottom of the platform floor (1), the inner wall of the U-shaped seat (12) is connected with a guide wheel (14) through a pin shaft, and the traction chain (5) is laid on the tops of the guide wheel (14) and the supporting seat (11).
5. The spare tire lifting device for the semitrailer according to claim 4, wherein the bottom of the storage groove (16) is provided with an ejection groove, an ejection plate (17) is inserted into the inner wall of the ejection groove, a jack penetrating through the storage table (2) is arranged in the middle of the ejection groove, the bottom of the ejection plate (17) is fixedly connected with a T-shaped support disc (18) penetrating through the jack, and a spring (19) is fixedly connected between the T-shaped support disc (18) and the storage table (2).
6. The spare tire lifting device for the semitrailer according to claim 5, characterized in that the guide assembly comprises a guide rod (15) hinged to one end of the outer wall of each side of the U-shaped frame (4), guide grooves (13) are formed in each side of the bottom of the carriage bottom plate (1), guide seats are slidably connected to the inner walls of the guide grooves (13), and the bottoms of the guide seats are hinged to the tops of the guide rods (15).
7. The spare tire lifting device for the semitrailer according to claim 5, wherein one side of the top of the storage platform (2) is connected with an anti-falling plate (20) through a pin shaft, the bottom of the anti-falling plate (20) is in contact with the top of the spare tire body (3), a threaded hole is formed between one end of the top of the anti-falling plate (20) and the top of the storage platform (2), and a threaded locking rod is connected to the inner wall of the threaded hole in a threaded manner.
Priority Applications (1)
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CN202123245920.4U CN216761934U (en) | 2021-12-22 | 2021-12-22 | Spare tire lifting device for semi-trailer |
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CN202123245920.4U CN216761934U (en) | 2021-12-22 | 2021-12-22 | Spare tire lifting device for semi-trailer |
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CN216761934U true CN216761934U (en) | 2022-06-17 |
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CN202123245920.4U Active CN216761934U (en) | 2021-12-22 | 2021-12-22 | Spare tire lifting device for semi-trailer |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116080779A (en) * | 2023-04-11 | 2023-05-09 | 任丘市宏达汽车部件有限公司 | Lower limit spare tire lifter |
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2021
- 2021-12-22 CN CN202123245920.4U patent/CN216761934U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116080779A (en) * | 2023-04-11 | 2023-05-09 | 任丘市宏达汽车部件有限公司 | Lower limit spare tire lifter |
CN116080779B (en) * | 2023-04-11 | 2023-06-16 | 任丘市宏达汽车部件有限公司 | Lower limit spare tire lifter |
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