CN115675241A - Automatic change device of getting on or off bus - Google Patents
Automatic change device of getting on or off bus Download PDFInfo
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- CN115675241A CN115675241A CN202211438854.9A CN202211438854A CN115675241A CN 115675241 A CN115675241 A CN 115675241A CN 202211438854 A CN202211438854 A CN 202211438854A CN 115675241 A CN115675241 A CN 115675241A
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- getting
- expansion bracket
- tractor
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Abstract
The invention provides an automatic getting on and off device, wherein a motor drives rotating shafts at two ends to rotate, so that a traction rope can vertically move downwards, a fixed plate is connected to the top surface of a large object, the rotating shafts rotate reversely, the traction rope drives the large object to be lifted upwards, the large object can move into a first packaging box by sliding the plate body inwards, a 200X 100X 15L-shaped aluminum alloy profile material is adopted by a frame structure, the bending strength of a first-stage expansion bracket and a second-stage expansion bracket is increased, the whole weight of a mechanism is reduced, the expansion bracket can easily perform linear motion along a guide rail at high precision by a low-damping silent rolling guide rail pair, the stability and the service life of the mechanism are improved, the deformation of the mechanism under rated load is not more than a certain limit, the friction force is small, the resistance during motion is reduced, the driving power of the expansion mechanism is reduced, and the assembly, adjustment, dust prevention, lubrication and maintenance of the rolling linear guide rail pair are facilitated.
Description
Technical Field
The invention relates to the field of cargo hoisting, in particular to an automatic getting on/off device.
Background
Because the barycenter of the packing box is asymmetric, the hoisting is carried out in an integral side-mounted mode, the distance between four hoisting points is long, a single set of mechanism cannot complete a task, the automatic loading and unloading device adopts a mode that two mechanisms are respectively installed, the requirement on the distance between the hoisting points is met, the hoisting is realized, because two sets of mechanisms are respectively installed, no synchronous mechanism is connected, and a control system adopts PLC and servo motor control, the synchronous requirement can be ensured; the product has a manual operation function when power is required to be cut off, two persons are required to simultaneously operate two sets of mechanisms respectively, the mechanisms extend out or retract, ascend or descend simultaneously, and the synchronization problem is difficult to guarantee.
Disclosure of Invention
The invention aims to: the method aims at solving the problems of the prior art. In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an automatic change device of getting on or off bus, include the tractor and set up in the inside driver's cabin of tractor, the rear plate connection of tractor has the trailer, the tractor with the bottom of trailer is provided with the wheel horizontal pole, the tractor with install the bumper shock absorber between the wheel horizontal pole, the both sides of wheel horizontal pole are rotated and are connected with the tire, the transport case has been placed to the top of trailer, the inside of transport case is provided with first packing box, second packing box, just the second packing box is located first packing box one side.
According to the preferable technical scheme, a first-stage expansion bracket is connected to the inner plate of the top of the first packaging box in a sliding mode, a contraction rail is inlaid on one side of the first-stage expansion bracket, a sliding rod is inlaid in a groove in the contraction rail, a second-stage expansion bracket is inlaid outside the sliding rod, and a bearing table is mounted on one side of the second-stage expansion bracket.
As the preferable technical scheme of the invention, the number of the first-stage expansion bracket and the number of the contraction rails are two and are symmetrical, and a transverse plate is arranged between the ends of the first-stage expansion bracket and is also provided with two transverse plates.
As a preferable technical scheme of the invention, the transverse plates are respectively arranged at the head end and the tail end between the two-stage telescopic frames, the two-stage telescopic frames and the slide bar are provided with two parts corresponding to the one-stage telescopic frame, and the bearing platform is arranged between the head ends of the two-stage telescopic frames.
As a preferable technical scheme of the invention, a servo motor is arranged on the top surface of the bearing table, power output ends on two sides of the servo motor are connected with a rotating shaft, a traction rope is wound outside the rotating shaft, the other end of the traction rope is connected with a fixing plate, and a fixing block is arranged around the outer edge of the fixing plate.
As a preferable technical scheme, a cylinder sliding rail is installed at the inner plate of the top of the second packaging box, a square cylinder is connected in a groove of the cylinder sliding rail in a sliding mode, a sliding block is connected in a groove in the square cylinder in a sliding mode, and a lifting motor is arranged below the sliding block.
As the preferable technical proposal of the invention, the bottom surfaces of the head and the tail of the slide block are embedded with fixed tables, a rod body is embedded between the fixed tables, the outer part of the rod body is embedded and connected with a lifting motor,
as a preferable technical scheme of the invention, the traction rope is arranged in the lifting motor, and the other end of the traction rope is connected with the fixed platform.
As the preferred technical scheme of the invention, the primary expansion bracket and the contraction rail adopt low-damping mute rolling guide rail pairs.
In a preferred embodiment of the present invention, the frame structure of the primary expansion bracket and the secondary expansion bracket is made of 200 × 100 × 15L-shaped aluminum alloy section material.
Compared with the prior art, the invention has the beneficial effects that:
in the scheme of the invention:
1. the trailer is arranged behind the tractor, a driver enters the cab, tires on two sides of a wheel cross rod rotate to enable the transport vehicle to move to transport objects, then the primary telescopic frame is stretched, the secondary telescopic frame is pulled to enable the slide rod to stretch on a contraction rail, the secondary telescopic frame is moved to vertically move 90 degrees with the objects by the slide rod, then a servo motor is started, the motor drives rotating shafts on two ends to rotate, a traction rope can vertically move downwards, a fixing plate is connected to the top surface of a large object, the rotating shafts rotate in the opposite direction, the traction rope drives the large object to be lifted upwards, the large object can move into a first packing box by enabling a plate body to slide inwards, the aluminum alloy section has light weight and high strength, the density is only 1/3 of that of steel, and the aluminum alloy section has excellent corrosion resistance, and has the lightest weight on the premise of meeting the requirements of functions and performances in order to ensure that the vehicle gets on and off, the product frame structure adopts 200X 100X 15L-shaped aluminum alloy section materials, and the strength of the primary and the secondary telescopic frame are increased, and the overall weight of the bending resistance mechanism is reduced;
2. the square cylinder, the cylinder slide rail and the slide block are matched to realize three-section expansion, the fixed inserting rod can penetrate into the surface of a small object along with the traction rope extended by the lifting motor to drop, the traction rope is contracted, the small object can move into the second packaging box, and in order to meet the requirements of noise <65dBA (1 m) and rated power 1000W of the development requirements of an electric getting-on and getting-off mechanism, the low-damping mute rolling guide rail pair design is adopted, and the expansion bracket can easily perform linear motion with high precision along the guide rail. And has the following effects of 1) → high wear resistance, which improves the stability and service life of the mechanism; 2) → high stiffness and high load bearing capacity, ensuring that the deformation of the mechanism under rated load does not exceed a certain limit. 3) The friction force is small, so that the resistance in movement is reduced, and the driving power of the telescopic mechanism is reduced; 4) The manufacturability is good, the rolling linear guide rail pair is convenient to assemble, adjust, prevent dust, lubricate and maintain 5) → the selection of a standardized guide rail pair, the standardization rate of product design is improved, and the design period is shortened.
Description of the drawings:
FIG. 1 is a schematic structural view provided by the present invention;
FIG. 2 is a schematic structural view provided by the present invention;
FIG. 3 is a front view provided by the present invention;
FIG. 4 is a side view provided by the present invention;
fig. 5 is a bottom view provided by the present invention.
The following are marked in the figure:
1. a tractor; 2. a cab; 3. a wheel rail; 4. a trailer; 5. a tire; 6. a transport case; 7. a first packing case; 8. a second packing case; 9. a primary telescopic frame; 10. shrinking the rail; 11. a transverse plate; 12. a secondary expansion bracket; 13. a slide bar; 14. a bearing table; 15. a servo motor; 16. a hauling rope; 17. a fixing plate; 18. a square cylinder; 19. a cylindrical slide rail; 20. a slider; 21. a lifting motor; 22. fixing the inserted rod; 23. a rod body; 24. and a fixed platform.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of them.
Thus, the following detailed description of the embodiments of the invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention, and it should be noted that, in case of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments can be combined with each other, and it should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
Example 1: please refer to fig. 1-5, an automatic get on or off bus device, including tractor 1 and set up in 1 inside driver's cabin 2 of tractor, the rear plate connection of tractor 1 has trailer 4, the bottom of tractor 1 and trailer 4 is provided with wheel horizontal pole 3, install the bumper shock absorber between tractor 1 and the wheel horizontal pole 3, the both sides of wheel horizontal pole 3 are rotated and are connected with tire 5, transport case 6 has been placed to the top of trailer 4, the inside of transport case 6 is provided with first packing box 7, second packing box 8, and second packing box 8 is located first packing box 7 one side.
A first-stage telescopic frame 9 is connected to the inner plate of the top of the first packaging box 7 in a sliding mode, a contraction rail 10 is inlaid on one side of the first-stage telescopic frame 9, a sliding rod 13 is inlaid in a groove in the contraction rail 10, a second-stage telescopic frame 12 is inlaid outside the sliding rod 13, and a bearing table 14 is installed on one side of the second-stage telescopic frame 12. The one-level expansion bracket 9 and the contraction rail 10 are both provided with two symmetrical plates 11, and the transverse plates 11 are also provided with two plates between the ends of the one-level expansion bracket 9. The transverse plates 11 are respectively arranged at the head end and the tail end between the two-stage telescopic frames 12, two of the two-stage telescopic frames 12 and the slide rod 13 correspond to the one-stage telescopic frame 9, and the bearing table 14 is arranged between the end parts of the two-stage telescopic frames 12. A servo motor 15 is installed on the top surface of the bearing table 14, power output ends on two sides of the servo motor 15 are connected with a rotating shaft, a traction rope 16 is wound outside the rotating shaft, the other end of the traction rope 16 is connected with a fixing plate 17, and fixing blocks are installed around the outer edge of the fixing plate 17.
A cylinder slide rail 19 is arranged on an inner plate at the top of the second packaging box 8, a square cylinder 18 is connected in a groove of the cylinder slide rail 19 in a sliding mode, a sliding block 20 is connected in an inner groove of the square cylinder 18 in a sliding mode, and a lifting motor 21 is arranged below the sliding block 20. The bottom surfaces of the head end and the tail end of the sliding block 20 are inlaid with fixing platforms 24, rod bodies 23 are inlaid between the fixing platforms 24, the outer portions of the rod bodies 23 are inlaid and connected with a lifting motor 21, a traction rope 16 is arranged inside the lifting motor 21, and the other end of the traction rope 16 is connected with the fixing platforms 24.
The frame structures of the first-stage telescopic frame 9 and the second-stage telescopic frame 12 adopt 200 multiplied by 100 multiplied by 15L-shaped aluminum alloy sectional materials, the aluminum alloy sectional materials have light weight and high strength, the density is only 1/3 of that of steel, and meanwhile, the aluminum alloy sectional materials have excellent corrosion resistance, in order to ensure that the mechanism can get on or off the vehicle, the aluminum alloy sectional materials have the lightest weight on the premise of meeting the requirements of functions and performances, the product frame structure adopts 200 multiplied by 100 multiplied by 15L-shaped aluminum alloy sectional materials, so that the bending strength of the first-stage telescopic frame and the second-stage telescopic frame is increased, and the whole weight of the mechanism is reduced.
The primary telescopic frame 9 and the contraction rail 10 adopt a low-damping mute rolling guide rail pair. The low-damping mute rolling guide rail pair is designed, and the telescopic frame can easily do linear motion with high precision along the guide rail. And has the following effects of 1) → high wear resistance, improving the stability and the service life of the mechanism; 2) High stiffness and high bearing capacity, ensuring that the deformation of the mechanism under rated load does not exceed a certain limit. 3) The friction force is small, so that the resistance in movement is reduced, and the driving power of the telescopic mechanism is reduced; 4) The manufacturability is good, the rolling linear guide rail pair is convenient to assemble, adjust, prevent dust, lubricate and maintain 5) → the selection of a standardized guide rail pair, the standardization rate of product design is improved, and the design period is shortened.
The working principle is as follows: in the using process of the invention, firstly, a trailer 4 is installed behind a tractor 1, a driver enters a cab 2, the transport vehicle is moved to transport articles through the rotation of tires 5 on two sides of a wheel cross bar 3, then a primary telescopic frame 9 is stretched, a secondary telescopic frame 12 is pulled at the same time, a sliding rod 13 is stretched on a contraction track 10, the secondary telescopic frame 12 is moved to be 90 vertical to the articles by the sliding rod 13, then a servo motor 15 is started, a traction rope 16 can be vertically moved downwards by driving rotating shafts on two ends of the motor to rotate, a fixing plate 17 is connected to the top surface of a large object, the rotating shafts rotate in opposite directions, the traction rope 16 drives the large object to be lifted upwards, and the plate body slides inwards, the large object can move into the first packaging box 7, finally, three-section expansion can be achieved through the cooperation of the square cylinder 18, the cylinder slide rail 19 and the slide block 20, the fixed insertion rod 22 can penetrate into the surface of the small object as the traction rope 16 is extended by the lifting motor 21, the traction rope 16 is contracted, the small object can move into the second packaging box 8, the crank and the gear box are connected, the two steel wire flexible shafts are respectively connected with the two output ends of the gear box at one end, the other ends of the two steel wire flexible shafts are respectively connected with the square shaft ends of the lead screw belts of the two electric loading and unloading mechanisms (when extending/retracting) or the square shaft ends of the commutator belts (when ascending/descending), the crank is shaken, and the two mechanisms can extend/retract or ascend/descend simultaneously.
The above embodiments are only used for illustrating the invention and not for limiting the technical solutions described in the invention, and although the present invention has been described in detail in the present specification with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement of the present invention is made; but all technical solutions and modifications thereof without departing from the spirit and scope of the present invention are encompassed in the claims of the present invention.
Claims (10)
1. The utility model provides an automatic change device of getting on or off bus, includes tractor (1) and set up in driver's cabin (2) of tractor (1) inside, its characterized in that, the rear plate body of tractor (1) is connected with trailer (4), tractor (1) with the bottom of trailer (4) is provided with wheel horizontal pole (3), tractor (1) with install the bumper shock absorber between wheel horizontal pole (3), the both sides of wheel horizontal pole (3) are rotated and are connected with tire (5), transport case (6) have been placed to the top of trailer (4), the inside of transport case (6) is provided with first packing box (7), second packing box (8), just second packing box (8) are located first packing box (7) one side.
2. The automatic getting on and off device as claimed in claim 1, wherein a primary expansion bracket (9) is slidably connected to an inner plate at the top of the first packing box (7), a contraction rail (10) is embedded on one side of the primary expansion bracket (9), a sliding rod (13) is embedded in a groove inside the contraction rail (10), a secondary expansion bracket (12) is embedded outside the sliding rod (13), and a bearing table (14) is installed on one side of the secondary expansion bracket (12).
3. The automatic get-on and get-off device is characterized in that the primary expansion bracket (9) and the contraction rail (10) are symmetrically arranged, a transverse plate (11) is arranged between the ends of the primary expansion bracket (9), and the number of the transverse plate (11) is two.
4. The automatic getting on and off device as claimed in claim 3, wherein the transverse plates (11) are respectively arranged at the head end and the tail end between the secondary expansion frames (12), two of the secondary expansion frames (12) and the sliding rods (13) are arranged to correspond to the primary expansion frame (9), and the bearing table (14) is arranged between the end parts of the secondary expansion frames (12).
5. The automatic getting on and off device as claimed in claim 4, wherein a servo motor (15) is installed on the top surface of the bearing table (14), power output ends on two sides of the servo motor (15) are connected with a rotating shaft, a traction rope (16) is wound outside the rotating shaft, the other end of the traction rope (16) is connected with a fixing plate (17), and a fixing block is installed around the outer edge of the fixing plate (17).
6. The automatic getting on and off device as claimed in claim 5, wherein a cylindrical slide rail (19) is mounted on an inner plate at the top of the second packaging box (8), a square cylinder (18) is slidably connected in a groove of the cylindrical slide rail (19), a sliding block (20) is slidably connected in an inner groove of the square cylinder (18), and a lifting motor (21) is arranged below the sliding block (20).
7. The automatic getting on and off device of claim 6, characterized in that the bottom surfaces of the head and the tail of the sliding block (20) are embedded with fixing platforms (24), a rod body (23) is embedded between the fixing platforms (24), and the outside of the rod body (23) is embedded and connected with a lifting motor (21).
8. An automated getting on and off device according to claim 7, characterized in that the pulling rope (16) is provided inside the lifting motor (21), and the other end of the pulling rope (16) is connected to a fixing table (24).
9. An automated getting on and off device according to claim 8, characterized in that the primary telescopic frame (9) and the retraction track (10) are low-damping silent rolling guide rail pairs.
10. The automated getting on/off device as claimed in claim 9, wherein the frame structure of the primary telescopic frame (9) and the secondary telescopic frame (12) is made of 200 x 100 x 15L-shaped aluminum alloy section material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211438854.9A CN115675241A (en) | 2022-11-17 | 2022-11-17 | Automatic change device of getting on or off bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211438854.9A CN115675241A (en) | 2022-11-17 | 2022-11-17 | Automatic change device of getting on or off bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115675241A true CN115675241A (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211438854.9A Pending CN115675241A (en) | 2022-11-17 | 2022-11-17 | Automatic change device of getting on or off bus |
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| Country | Link |
|---|---|
| CN (1) | CN115675241A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117944559A (en) * | 2024-03-27 | 2024-04-30 | 长春金马特种车有限公司 | Auxiliary type suspension load device for cargo transportation of mobile service vehicle |
-
2022
- 2022-11-17 CN CN202211438854.9A patent/CN115675241A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117944559A (en) * | 2024-03-27 | 2024-04-30 | 长春金马特种车有限公司 | Auxiliary type suspension load device for cargo transportation of mobile service vehicle |
| CN117944559B (en) * | 2024-03-27 | 2024-05-31 | 长春金马特种车有限公司 | Auxiliary type suspension load device for cargo transportation of mobile service vehicle |
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